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Vendor dependencies with dep

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Alexander Neumann 2017-07-23 14:24:45 +02:00
parent df8a5792f1
commit 91edebf1fe
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123
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# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
[[projects]]
branch = "master"
name = "bazil.org/fuse"
packages = [".","fs","fuseutil"]
revision = "371fbbdaa8987b715bdd21d6adc4c9b20155f748"
[[projects]]
name = "github.com/elithrar/simple-scrypt"
packages = ["."]
revision = "47767683c6c880a9f89e48d376c70de7f5268951"
version = "v1.1"
[[projects]]
name = "github.com/go-ini/ini"
packages = ["."]
revision = "d3de07a94d22b4a0972deb4b96d790c2c0ce8333"
version = "v1.28.0"
[[projects]]
branch = "master"
name = "github.com/inconshreveable/mousetrap"
packages = ["."]
revision = "76626ae9c91c4f2a10f34cad8ce83ea42c93bb75"
[[projects]]
branch = "master"
name = "github.com/kr/fs"
packages = ["."]
revision = "2788f0dbd16903de03cb8186e5c7d97b69ad387b"
[[projects]]
name = "github.com/kurin/blazer"
packages = ["b2","base","internal/b2types","internal/blog"]
revision = "612082ed2430716569f1ec816fc6ade849020816"
version = "v0.1.0"
[[projects]]
branch = "master"
name = "github.com/minio/go-homedir"
packages = ["."]
revision = "21304a94172ae3a09dee2cd86a12fb6f842138c7"
[[projects]]
name = "github.com/minio/minio-go"
packages = [".","pkg/credentials","pkg/encrypt","pkg/policy","pkg/s3signer","pkg/s3utils","pkg/set"]
revision = "5ca66c9a35ba1cd674484be99dc97aa0973afe12"
version = "v3.0.0"
[[projects]]
branch = "master"
name = "github.com/ncw/swift"
packages = ["."]
revision = "5068c3506cf003c630c94b92a64e978115394f26"
[[projects]]
name = "github.com/pkg/errors"
packages = ["."]
revision = "645ef00459ed84a119197bfb8d8205042c6df63d"
version = "v0.8.0"
[[projects]]
name = "github.com/pkg/profile"
packages = ["."]
revision = "5b67d428864e92711fcbd2f8629456121a56d91f"
version = "v1.2.1"
[[projects]]
branch = "master"
name = "github.com/pkg/sftp"
packages = ["."]
revision = "4f3e725e885c021085d2fb8a9cc26e30ea1a992f"
[[projects]]
name = "github.com/pkg/xattr"
packages = ["."]
revision = "23c75e3f6c1d8b13b3dd905b011a7f38a06044b7"
version = "v0.2.1"
[[projects]]
name = "github.com/restic/chunker"
packages = ["."]
revision = "bb2ecf9a98e35a0b336ffc23fc515fb6e7961577"
version = "v0.1.0"
[[projects]]
branch = "master"
name = "github.com/spf13/cobra"
packages = ["."]
revision = "f20b4e9c32bb3e9d44773ca208db814f24dcd21b"
[[projects]]
name = "github.com/spf13/pflag"
packages = ["."]
revision = "e57e3eeb33f795204c1ca35f56c44f83227c6e66"
version = "v1.0.0"
[[projects]]
branch = "master"
name = "golang.org/x/crypto"
packages = ["curve25519","ed25519","ed25519/internal/edwards25519","pbkdf2","poly1305","scrypt","ssh","ssh/terminal"]
revision = "6914964337150723782436d56b3f21610a74ce7b"
[[projects]]
branch = "master"
name = "golang.org/x/net"
packages = ["context","context/ctxhttp"]
revision = "ab5485076ff3407ad2d02db054635913f017b0ed"
[[projects]]
branch = "master"
name = "golang.org/x/sys"
packages = ["unix"]
revision = "c4489faa6e5ab84c0ef40d6ee878f7a030281f0f"
[solve-meta]
analyzer-name = "dep"
analyzer-version = 1
inputs-digest = "b4de858790fd06b6d1df19baa8a3246f23b2fded9ab6eb85325ddb3ee91003b8"
solver-name = "gps-cdcl"
solver-version = 1

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# Gopkg.toml example
#
# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
# for detailed Gopkg.toml documentation.
#
# required = ["github.com/user/thing/cmd/thing"]
# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
#
# [[constraint]]
# name = "github.com/user/project"
# version = "1.0.0"
#
# [[constraint]]
# name = "github.com/user/project2"
# branch = "dev"
# source = "github.com/myfork/project2"
#
# [[override]]
# name = "github.com/x/y"
# version = "2.4.0"
[[constraint]]
branch = "master"
name = "bazil.org/fuse"
[[constraint]]
name = "github.com/elithrar/simple-scrypt"
version = "1.1.0"
[[constraint]]
name = "github.com/kurin/blazer"
version = "0.1.0"
[[constraint]]
name = "github.com/minio/minio-go"
version = "3.0.0"
[[constraint]]
branch = "master"
name = "github.com/ncw/swift"
[[constraint]]
name = "github.com/pkg/errors"
version = "0.8.0"
[[constraint]]
name = "github.com/pkg/profile"
version = "1.2.1"
[[constraint]]
branch = "master"
name = "github.com/pkg/sftp"
[[constraint]]
name = "github.com/pkg/xattr"
version = "0.2.1"
[[constraint]]
name = "github.com/restic/chunker"
version = "0.1.0"
[[constraint]]
branch = "master"
name = "github.com/spf13/cobra"
[[constraint]]
branch = "master"
name = "golang.org/x/crypto"
[[constraint]]
branch = "master"
name = "golang.org/x/net"
[[constraint]]
branch = "master"
name = "golang.org/x/sys"

2
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*.go filter=gofmt
*.cgo filter=gofmt

11
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*~
.#*
## the next line needs to start with a backslash to avoid looking like
## a comment
\#*#
.*.swp
*.test
/clockfs
/hellofs

93
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Copyright (c) 2013-2015 Tommi Virtanen.
Copyright (c) 2009, 2011, 2012 The Go Authors.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
The following included software components have additional copyright
notices and license terms that may differ from the above.
File fuse.go:
// Adapted from Plan 9 from User Space's src/cmd/9pfuse/fuse.c,
// which carries this notice:
//
// The files in this directory are subject to the following license.
//
// The author of this software is Russ Cox.
//
// Copyright (c) 2006 Russ Cox
//
// Permission to use, copy, modify, and distribute this software for any
// purpose without fee is hereby granted, provided that this entire notice
// is included in all copies of any software which is or includes a copy
// or modification of this software and in all copies of the supporting
// documentation for such software.
//
// THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
// WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION OR WARRANTY
// OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS SOFTWARE OR ITS
// FITNESS FOR ANY PARTICULAR PURPOSE.
File fuse_kernel.go:
// Derived from FUSE's fuse_kernel.h
/*
This file defines the kernel interface of FUSE
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
This -- and only this -- header file may also be distributed under
the terms of the BSD Licence as follows:
Copyright (C) 2001-2007 Miklos Szeredi. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/

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bazil.org/fuse -- Filesystems in Go
===================================
`bazil.org/fuse` is a Go library for writing FUSE userspace
filesystems.
It is a from-scratch implementation of the kernel-userspace
communication protocol, and does not use the C library from the
project called FUSE. `bazil.org/fuse` embraces Go fully for safety and
ease of programming.
Here’s how to get going:
go get bazil.org/fuse
Website: http://bazil.org/fuse/
Github repository: https://github.com/bazil/fuse
API docs: http://godoc.org/bazil.org/fuse
Our thanks to Russ Cox for his fuse library, which this project is
based on.

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package fuse
import "unsafe"
// buffer provides a mechanism for constructing a message from
// multiple segments.
type buffer []byte
// alloc allocates size bytes and returns a pointer to the new
// segment.
func (w *buffer) alloc(size uintptr) unsafe.Pointer {
s := int(size)
if len(*w)+s > cap(*w) {
old := *w
*w = make([]byte, len(*w), 2*cap(*w)+s)
copy(*w, old)
}
l := len(*w)
*w = (*w)[:l+s]
return unsafe.Pointer(&(*w)[l])
}
// reset clears out the contents of the buffer.
func (w *buffer) reset() {
for i := range (*w)[:cap(*w)] {
(*w)[i] = 0
}
*w = (*w)[:0]
}
func newBuffer(extra uintptr) buffer {
const hdrSize = unsafe.Sizeof(outHeader{})
buf := make(buffer, hdrSize, hdrSize+extra)
return buf
}

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package fuse
import (
"runtime"
)
func stack() string {
buf := make([]byte, 1024)
return string(buf[:runtime.Stack(buf, false)])
}
func nop(msg interface{}) {}
// Debug is called to output debug messages, including protocol
// traces. The default behavior is to do nothing.
//
// The messages have human-friendly string representations and are
// safe to marshal to JSON.
//
// Implementations must not retain msg.
var Debug func(msg interface{}) = nop

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/*.seq.svg
# not ignoring *.seq.png; we want those committed to the repo
# for embedding on Github

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# bazil.org/fuse documentation
See also API docs at http://godoc.org/bazil.org/fuse
- [The mount sequence](mount-sequence.md)
- [Writing documentation](writing-docs.md)

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seqdiag {
app;
fuse [label="bazil.org/fuse"];
fusermount;
kernel;
mounts;
app;
fuse [label="bazil.org/fuse"];
fusermount;
kernel;
mounts;
app -> fuse [label="Mount"];
fuse -> fusermount [label="spawn, pass socketpair fd"];
fusermount -> kernel [label="open /dev/fuse"];
fusermount -> kernel [label="mount(2)"];
kernel ->> mounts [label="mount is visible"];
fusermount <-- kernel [label="mount(2) returns"];
fuse <<-- fusermount [diagonal, label="exit, receive /dev/fuse fd", leftnote="on Linux, successful exit here\nmeans the mount has happened,\nthough InitRequest might not have yet"];
app <-- fuse [label="Mount returns\nConn.Ready is already closed"];
app -> fuse [label="fs.Serve"];
fuse => kernel [label="read /dev/fuse fd", note="starts with InitRequest"];
fuse -> app [label="Init"];
fuse <-- app [color=red];
fuse -> kernel [label="write /dev/fuse fd", color=red];
kernel -> kernel [label="set connection\nstate to error", color=red];
fuse <-- kernel;
... conn.MountError == nil, so it is still mounted ...
... call conn.Close to clean up ...
}

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seqdiag {
// seqdiag -T svg -o doc/mount-osx.svg doc/mount-osx.seq
app;
fuse [label="bazil.org/fuse"];
fusermount;
kernel;
mounts;
app -> fuse [label="Mount"];
fuse -> fusermount [label="spawn, pass socketpair fd"];
fusermount -> kernel [label="open /dev/fuse"];
fusermount -> kernel [label="mount(2)"];
kernel ->> mounts [label="mount is visible"];
fusermount <-- kernel [label="mount(2) returns"];
fuse <<-- fusermount [diagonal, label="exit, receive /dev/fuse fd", leftnote="on Linux, successful exit here\nmeans the mount has happened,\nthough InitRequest might not have yet"];
app <-- fuse [label="Mount returns\nConn.Ready is already closed", rightnote="InitRequest and StatfsRequest\nmay or may not be seen\nbefore Conn.Ready,\ndepending on platform"];
app -> fuse [label="fs.Serve"];
fuse => kernel [label="read /dev/fuse fd", note="starts with InitRequest"];
fuse => app [label="FS/Node/Handle methods"];
fuse => kernel [label="write /dev/fuse fd"];
... repeat ...
... shutting down ...
app -> fuse [label="Unmount"];
fuse -> fusermount [label="fusermount -u"];
fusermount -> kernel;
kernel <<-- mounts;
fusermount <-- kernel;
fuse <<-- fusermount [diagonal];
app <-- fuse [label="Unmount returns"];
// actually triggers before above
fuse <<-- kernel [diagonal, label="/dev/fuse EOF"];
app <-- fuse [label="fs.Serve returns"];
app -> fuse [label="conn.Close"];
fuse -> kernel [label="close /dev/fuse fd"];
fuse <-- kernel;
app <-- fuse;
}

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seqdiag {
app;
fuse [label="bazil.org/fuse"];
wait [label="callMount\nhelper goroutine"];
mount_osxfusefs;
kernel;
app -> fuse [label="Mount"];
fuse -> kernel [label="open /dev/osxfuseN"];
fuse -> mount_osxfusefs [label="spawn, pass fd"];
fuse -> wait [label="goroutine", note="blocks on cmd.Wait"];
app <-- fuse [label="Mount returns"];
mount_osxfusefs -> kernel [label="mount(2)"];
app -> fuse [label="fs.Serve"];
fuse => kernel [label="read /dev/osxfuseN fd", note="starts with InitRequest,\nalso seen before mount exits:\ntwo StatfsRequest calls"];
fuse -> app [label="Init"];
fuse <-- app [color=red];
fuse -> kernel [label="write /dev/osxfuseN fd", color=red];
fuse <-- kernel;
mount_osxfusefs <-- kernel [label="mount(2) returns", color=red];
wait <<-- mount_osxfusefs [diagonal, label="exit", color=red];
app <<-- wait [diagonal, label="mount has failed,\nclose Conn.Ready", color=red];
// actually triggers before above
fuse <<-- kernel [diagonal, label="/dev/osxfuseN EOF"];
app <-- fuse [label="fs.Serve returns"];
... conn.MountError != nil, so it was was never mounted ...
... call conn.Close to clean up ...
}

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seqdiag {
// seqdiag -T svg -o doc/mount-osx.svg doc/mount-osx.seq
app;
fuse [label="bazil.org/fuse"];
wait [label="callMount\nhelper goroutine"];
mount_osxfusefs;
kernel;
mounts;
app -> fuse [label="Mount"];
fuse -> kernel [label="open /dev/osxfuseN"];
fuse -> mount_osxfusefs [label="spawn, pass fd"];
fuse -> wait [label="goroutine", note="blocks on cmd.Wait"];
app <-- fuse [label="Mount returns"];
mount_osxfusefs -> kernel [label="mount(2)"];
app -> fuse [label="fs.Serve"];
fuse => kernel [label="read /dev/osxfuseN fd", note="starts with InitRequest,\nalso seen before mount exits:\ntwo StatfsRequest calls"];
fuse => app [label="FS/Node/Handle methods"];
fuse => kernel [label="write /dev/osxfuseN fd"];
... repeat ...
kernel ->> mounts [label="mount is visible"];
mount_osxfusefs <-- kernel [label="mount(2) returns"];
wait <<-- mount_osxfusefs [diagonal, label="exit", leftnote="on OS X, successful exit\nhere means we finally know\nthe mount has happened\n(can't trust InitRequest,\nkernel might have timed out\nwaiting for InitResponse)"];
app <<-- wait [diagonal, label="mount is ready,\nclose Conn.Ready", rightnote="InitRequest and StatfsRequest\nmay or may not be seen\nbefore Conn.Ready,\ndepending on platform"];
... shutting down ...
app -> fuse [label="Unmount"];
fuse -> kernel [label="umount(2)"];
kernel <<-- mounts;
fuse <-- kernel;
app <-- fuse [label="Unmount returns"];
// actually triggers before above
fuse <<-- kernel [diagonal, label="/dev/osxfuseN EOF"];
app <-- fuse [label="fs.Serve returns"];
app -> fuse [label="conn.Close"];
fuse -> kernel [label="close /dev/osxfuseN"];
fuse <-- kernel;
app <-- fuse;
}

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# The mount sequence
FUSE mounting is a little bit tricky. There's a userspace helper tool
that performs the handshake with the kernel, and then steps out of the
way. This helper behaves differently on different platforms, forcing a
more complex API on us.
## Successful runs
On Linux, the mount is immediate and file system accesses wait until
the requests are served.
![Diagram of Linux FUSE mount sequence](mount-linux.seq.png)
On OS X, the mount becomes visible only after `InitRequest` (and maybe
more) have been served.
![Diagram of OSXFUSE mount sequence](mount-osx.seq.png)
## Errors
Let's see what happens if `InitRequest` gets an error response. On
Linux, the mountpoint is there but all operations will fail:
![Diagram of Linux error handling](mount-linux-error-init.seq.png)
On OS X, the mount never happened:
![Diagram of OS X error handling](mount-osx-error-init.seq.png)

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# Writing documentation
## Sequence diagrams
The sequence diagrams are generated with `seqdiag`:
http://blockdiag.com/en/seqdiag/index.html
An easy way to work on them is to automatically update the generated
files with https://github.com/cespare/reflex :
reflex -g 'doc/[^.]*.seq' -- seqdiag -T svg -o '{}.svg' '{}' &
reflex -g 'doc/[^.]*.seq' -- seqdiag -T png -o '{}.png' '{}' &
The markdown files refer to PNG images because of Github limitations,
but the SVG is generally more pleasant to view.

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package fuse
import (
"syscall"
)
const (
ENOATTR = Errno(syscall.ENOATTR)
)
const (
errNoXattr = ENOATTR
)
func init() {
errnoNames[errNoXattr] = "ENOATTR"
}

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package fuse
import "syscall"
const (
ENOATTR = Errno(syscall.ENOATTR)
)
const (
errNoXattr = ENOATTR
)
func init() {
errnoNames[errNoXattr] = "ENOATTR"
}

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package fuse
import (
"syscall"
)
const (
ENODATA = Errno(syscall.ENODATA)
)
const (
errNoXattr = ENODATA
)
func init() {
errnoNames[errNoXattr] = "ENODATA"
}

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package fuse
// There is very little commonality in extended attribute errors
// across platforms.
//
// getxattr return value for "extended attribute does not exist" is
// ENOATTR on OS X, and ENODATA on Linux and apparently at least
// NetBSD. There may be a #define ENOATTR on Linux too, but the value
// is ENODATA in the actual syscalls. FreeBSD and OpenBSD have no
// ENODATA, only ENOATTR. ENOATTR is not in any of the standards,
// ENODATA exists but is only used for STREAMs.
//
// Each platform will define it a errNoXattr constant, and this file
// will enforce that it implements the right interfaces and hide the
// implementation.
//
// https://developer.apple.com/library/mac/documentation/Darwin/Reference/ManPages/man2/getxattr.2.html
// http://mail-index.netbsd.org/tech-kern/2012/04/30/msg013090.html
// http://mail-index.netbsd.org/tech-kern/2012/04/30/msg013097.html
// http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
// http://www.freebsd.org/cgi/man.cgi?query=extattr_get_file&sektion=2
// http://nixdoc.net/man-pages/openbsd/man2/extattr_get_file.2.html
// ErrNoXattr is a platform-independent error value meaning the
// extended attribute was not found. It can be used to respond to
// GetxattrRequest and such.
const ErrNoXattr = errNoXattr
var _ error = ErrNoXattr
var _ Errno = ErrNoXattr
var _ ErrorNumber = ErrNoXattr

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// Clockfs implements a file system with the current time in a file.
// It was written to demonstrate kernel cache invalidation.
package main
import (
"flag"
"fmt"
"log"
"os"
"sync/atomic"
"syscall"
"time"
"bazil.org/fuse"
"bazil.org/fuse/fs"
_ "bazil.org/fuse/fs/fstestutil"
"bazil.org/fuse/fuseutil"
"golang.org/x/net/context"
)
func usage() {
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
fmt.Fprintf(os.Stderr, " %s MOUNTPOINT\n", os.Args[0])
flag.PrintDefaults()
}
func run(mountpoint string) error {
c, err := fuse.Mount(
mountpoint,
fuse.FSName("clock"),
fuse.Subtype("clockfsfs"),
fuse.LocalVolume(),
fuse.VolumeName("Clock filesystem"),
)
if err != nil {
return err
}
defer c.Close()
if p := c.Protocol(); !p.HasInvalidate() {
return fmt.Errorf("kernel FUSE support is too old to have invalidations: version %v", p)
}
srv := fs.New(c, nil)
filesys := &FS{
// We pre-create the clock node so that it's always the same
// object returned from all the Lookups. You could carefully
// track its lifetime between Lookup&Forget, and have the
// ticking & invalidation happen only when active, but let's
// keep this example simple.
clockFile: &File{
fuse: srv,
},
}
filesys.clockFile.tick()
// This goroutine never exits. That's fine for this example.
go filesys.clockFile.update()
if err := srv.Serve(filesys); err != nil {
return err
}
// Check if the mount process has an error to report.
<-c.Ready
if err := c.MountError; err != nil {
return err
}
return nil
}
func main() {
flag.Usage = usage
flag.Parse()
if flag.NArg() != 1 {
usage()
os.Exit(2)
}
mountpoint := flag.Arg(0)
if err := run(mountpoint); err != nil {
log.Fatal(err)
}
}
type FS struct {
clockFile *File
}
var _ fs.FS = (*FS)(nil)
func (f *FS) Root() (fs.Node, error) {
return &Dir{fs: f}, nil
}
// Dir implements both Node and Handle for the root directory.
type Dir struct {
fs *FS
}
var _ fs.Node = (*Dir)(nil)
func (d *Dir) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 1
a.Mode = os.ModeDir | 0555
return nil
}
var _ fs.NodeStringLookuper = (*Dir)(nil)
func (d *Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if name == "clock" {
return d.fs.clockFile, nil
}
return nil, fuse.ENOENT
}
var dirDirs = []fuse.Dirent{
{Inode: 2, Name: "clock", Type: fuse.DT_File},
}
var _ fs.HandleReadDirAller = (*Dir)(nil)
func (d *Dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
return dirDirs, nil
}
type File struct {
fs.NodeRef
fuse *fs.Server
content atomic.Value
count uint64
}
var _ fs.Node = (*File)(nil)
func (f *File) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 2
a.Mode = 0444
t := f.content.Load().(string)
a.Size = uint64(len(t))
return nil
}
var _ fs.NodeOpener = (*File)(nil)
func (f *File) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
if !req.Flags.IsReadOnly() {
return nil, fuse.Errno(syscall.EACCES)
}
resp.Flags |= fuse.OpenKeepCache
return f, nil
}
var _ fs.Handle = (*File)(nil)
var _ fs.HandleReader = (*File)(nil)
func (f *File) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
t := f.content.Load().(string)
fuseutil.HandleRead(req, resp, []byte(t))
return nil
}
func (f *File) tick() {
// Intentionally a variable-length format, to demonstrate size changes.
f.count++
s := fmt.Sprintf("%d\t%s\n", f.count, time.Now())
f.content.Store(s)
// For simplicity, this example tries to send invalidate
// notifications even when the kernel does not hold a reference to
// the node, so be extra sure to ignore ErrNotCached.
if err := f.fuse.InvalidateNodeData(f); err != nil && err != fuse.ErrNotCached {
log.Printf("invalidate error: %v", err)
}
}
func (f *File) update() {
tick := time.NewTicker(1 * time.Second)
defer tick.Stop()
for range tick.C {
f.tick()
}
}

101
vendor/bazil.org/fuse/examples/hellofs/hello.go generated vendored Normal file
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// Hellofs implements a simple "hello world" file system.
package main
import (
"flag"
"fmt"
"log"
"os"
"bazil.org/fuse"
"bazil.org/fuse/fs"
_ "bazil.org/fuse/fs/fstestutil"
"golang.org/x/net/context"
)
func usage() {
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
fmt.Fprintf(os.Stderr, " %s MOUNTPOINT\n", os.Args[0])
flag.PrintDefaults()
}
func main() {
flag.Usage = usage
flag.Parse()
if flag.NArg() != 1 {
usage()
os.Exit(2)
}
mountpoint := flag.Arg(0)
c, err := fuse.Mount(
mountpoint,
fuse.FSName("helloworld"),
fuse.Subtype("hellofs"),
fuse.LocalVolume(),
fuse.VolumeName("Hello world!"),
)
if err != nil {
log.Fatal(err)
}
defer c.Close()
err = fs.Serve(c, FS{})
if err != nil {
log.Fatal(err)
}
// check if the mount process has an error to report
<-c.Ready
if err := c.MountError; err != nil {
log.Fatal(err)
}
}
// FS implements the hello world file system.
type FS struct{}
func (FS) Root() (fs.Node, error) {
return Dir{}, nil
}
// Dir implements both Node and Handle for the root directory.
type Dir struct{}
func (Dir) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 1
a.Mode = os.ModeDir | 0555
return nil
}
func (Dir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if name == "hello" {
return File{}, nil
}
return nil, fuse.ENOENT
}
var dirDirs = []fuse.Dirent{
{Inode: 2, Name: "hello", Type: fuse.DT_File},
}
func (Dir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
return dirDirs, nil
}
// File implements both Node and Handle for the hello file.
type File struct{}
const greeting = "hello, world\n"
func (File) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 2
a.Mode = 0444
a.Size = uint64(len(greeting))
return nil
}
func (File) ReadAll(ctx context.Context) ([]byte, error) {
return []byte(greeting), nil
}

54
vendor/bazil.org/fuse/fs/bench/bench_create_test.go generated vendored Normal file
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package bench_test
import (
"fmt"
"os"
"testing"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"bazil.org/fuse/fs/fstestutil"
"golang.org/x/net/context"
)
type dummyFile struct {
fstestutil.File
}
type benchCreateDir struct {
fstestutil.Dir
}
var _ fs.NodeCreater = (*benchCreateDir)(nil)
func (f *benchCreateDir) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (fs.Node, fs.Handle, error) {
child := &dummyFile{}
return child, child, nil
}
func BenchmarkCreate(b *testing.B) {
f := &benchCreateDir{}
mnt, err := fstestutil.MountedT(b, fstestutil.SimpleFS{f}, nil)
if err != nil {
b.Fatal(err)
}
defer mnt.Close()
// prepare file names to decrease test overhead
names := make([]string, 0, b.N)
for i := 0; i < b.N; i++ {
// zero-padded so cost stays the same on every iteration
names = append(names, mnt.Dir+"/"+fmt.Sprintf("%08x", i))
}
b.ResetTimer()
for i := 0; i < b.N; i++ {
f, err := os.Create(names[i])
if err != nil {
b.Fatalf("WriteFile: %v", err)
}
f.Close()
}
b.StopTimer()
}

42
vendor/bazil.org/fuse/fs/bench/bench_lookup_test.go generated vendored Normal file
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package bench_test
import (
"os"
"testing"
"golang.org/x/net/context"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"bazil.org/fuse/fs/fstestutil"
)
type benchLookupDir struct {
fstestutil.Dir
}
var _ fs.NodeRequestLookuper = (*benchLookupDir)(nil)
func (f *benchLookupDir) Lookup(ctx context.Context, req *fuse.LookupRequest, resp *fuse.LookupResponse) (fs.Node, error) {
return nil, fuse.ENOENT
}
func BenchmarkLookup(b *testing.B) {
f := &benchLookupDir{}
mnt, err := fstestutil.MountedT(b, fstestutil.SimpleFS{f}, nil)
if err != nil {
b.Fatal(err)
}
defer mnt.Close()
name := mnt.Dir + "/does-not-exist"
b.ResetTimer()
for i := 0; i < b.N; i++ {
if _, err := os.Stat(name); !os.IsNotExist(err) {
b.Fatalf("Stat: wrong error: %v", err)
}
}
b.StopTimer()
}

268
vendor/bazil.org/fuse/fs/bench/bench_readwrite_test.go generated vendored Normal file
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package bench_test
import (
"io"
"io/ioutil"
"os"
"path"
"testing"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"bazil.org/fuse/fs/fstestutil"
"golang.org/x/net/context"
)
type benchConfig struct {
directIO bool
}
type benchFS struct {
conf *benchConfig
}
var _ = fs.FS(benchFS{})
func (f benchFS) Root() (fs.Node, error) {
return benchDir{conf: f.conf}, nil
}
type benchDir struct {
conf *benchConfig
}
var _ = fs.Node(benchDir{})
var _ = fs.NodeStringLookuper(benchDir{})
var _ = fs.Handle(benchDir{})
var _ = fs.HandleReadDirAller(benchDir{})
func (benchDir) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 1
a.Mode = os.ModeDir | 0555
return nil
}
func (d benchDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if name == "bench" {
return benchFile{conf: d.conf}, nil
}
return nil, fuse.ENOENT
}
func (benchDir) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
l := []fuse.Dirent{
{Inode: 2, Name: "bench", Type: fuse.DT_File},
}
return l, nil
}
type benchFile struct {
conf *benchConfig
}
var _ = fs.Node(benchFile{})
var _ = fs.NodeOpener(benchFile{})
var _ = fs.NodeFsyncer(benchFile{})
var _ = fs.Handle(benchFile{})
var _ = fs.HandleReader(benchFile{})
var _ = fs.HandleWriter(benchFile{})
func (benchFile) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 2
a.Mode = 0644
a.Size = 9999999999999999
return nil
}
func (f benchFile) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
if f.conf.directIO {
resp.Flags |= fuse.OpenDirectIO
}
// TODO configurable?
resp.Flags |= fuse.OpenKeepCache
return f, nil
}
func (benchFile) Read(ctx context.Context, req *fuse.ReadRequest, resp *fuse.ReadResponse) error {
resp.Data = resp.Data[:cap(resp.Data)]
return nil
}
func (benchFile) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error {
resp.Size = len(req.Data)
return nil
}
func (benchFile) Fsync(ctx context.Context, req *fuse.FsyncRequest) error {
return nil
}
func benchmark(b *testing.B, fn func(b *testing.B, mnt string), conf *benchConfig) {
filesys := benchFS{
conf: conf,
}
mnt, err := fstestutil.Mounted(filesys, nil,
fuse.MaxReadahead(64*1024*1024),
fuse.AsyncRead(),
fuse.WritebackCache(),
)
if err != nil {
b.Fatal(err)
}
defer mnt.Close()
fn(b, mnt.Dir)
}
type zero struct{}
func (zero) Read(p []byte) (n int, err error) {
return len(p), nil
}
var Zero io.Reader = zero{}
func doWrites(size int64) func(b *testing.B, mnt string) {
return func(b *testing.B, mnt string) {
p := path.Join(mnt, "bench")
f, err := os.Create(p)
if err != nil {
b.Fatalf("create: %v", err)
}
defer f.Close()
b.ResetTimer()
b.SetBytes(size)
for i := 0; i < b.N; i++ {
_, err = io.CopyN(f, Zero, size)
if err != nil {
b.Fatalf("write: %v", err)
}
}
}
}
func BenchmarkWrite100(b *testing.B) {
benchmark(b, doWrites(100), &benchConfig{})
}
func BenchmarkWrite10MB(b *testing.B) {
benchmark(b, doWrites(10*1024*1024), &benchConfig{})
}
func BenchmarkWrite100MB(b *testing.B) {
benchmark(b, doWrites(100*1024*1024), &benchConfig{})
}
func BenchmarkDirectWrite100(b *testing.B) {
benchmark(b, doWrites(100), &benchConfig{
directIO: true,
})
}
func BenchmarkDirectWrite10MB(b *testing.B) {
benchmark(b, doWrites(10*1024*1024), &benchConfig{
directIO: true,
})
}
func BenchmarkDirectWrite100MB(b *testing.B) {
benchmark(b, doWrites(100*1024*1024), &benchConfig{
directIO: true,
})
}
func doWritesSync(size int64) func(b *testing.B, mnt string) {
return func(b *testing.B, mnt string) {
p := path.Join(mnt, "bench")
f, err := os.Create(p)
if err != nil {
b.Fatalf("create: %v", err)
}
defer f.Close()
b.ResetTimer()
b.SetBytes(size)
for i := 0; i < b.N; i++ {
_, err = io.CopyN(f, Zero, size)
if err != nil {
b.Fatalf("write: %v", err)
}
if err := f.Sync(); err != nil {
b.Fatalf("sync: %v", err)
}
}
}
}
func BenchmarkWriteSync100(b *testing.B) {
benchmark(b, doWritesSync(100), &benchConfig{})
}
func BenchmarkWriteSync10MB(b *testing.B) {
benchmark(b, doWritesSync(10*1024*1024), &benchConfig{})
}
func BenchmarkWriteSync100MB(b *testing.B) {
benchmark(b, doWritesSync(100*1024*1024), &benchConfig{})
}
func doReads(size int64) func(b *testing.B, mnt string) {
return func(b *testing.B, mnt string) {
p := path.Join(mnt, "bench")
f, err := os.Open(p)
if err != nil {
b.Fatalf("close: %v", err)
}
defer f.Close()
b.ResetTimer()
b.SetBytes(size)
for i := 0; i < b.N; i++ {
n, err := io.CopyN(ioutil.Discard, f, size)
if err != nil {
b.Fatalf("read: %v", err)
}
if n != size {
b.Errorf("unexpected size: %d != %d", n, size)
}
}
}
}
func BenchmarkRead100(b *testing.B) {
benchmark(b, doReads(100), &benchConfig{})
}
func BenchmarkRead10MB(b *testing.B) {
benchmark(b, doReads(10*1024*1024), &benchConfig{})
}
func BenchmarkRead100MB(b *testing.B) {
benchmark(b, doReads(100*1024*1024), &benchConfig{})
}
func BenchmarkDirectRead100(b *testing.B) {
benchmark(b, doReads(100), &benchConfig{
directIO: true,
})
}
func BenchmarkDirectRead10MB(b *testing.B) {
benchmark(b, doReads(10*1024*1024), &benchConfig{
directIO: true,
})
}
func BenchmarkDirectRead100MB(b *testing.B) {
benchmark(b, doReads(100*1024*1024), &benchConfig{
directIO: true,
})
}

5
vendor/bazil.org/fuse/fs/bench/doc.go generated vendored Normal file
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// Package bench contains benchmarks.
//
// It is kept in a separate package to avoid conflicting with the
// debug-heavy defaults for the actual tests.
package bench

70
vendor/bazil.org/fuse/fs/fstestutil/checkdir.go generated vendored Normal file
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package fstestutil
import (
"fmt"
"io/ioutil"
"os"
)
// FileInfoCheck is a function that validates an os.FileInfo according
// to some criteria.
type FileInfoCheck func(fi os.FileInfo) error
type checkDirError struct {
missing map[string]struct{}
extra map[string]os.FileMode
}
func (e *checkDirError) Error() string {
return fmt.Sprintf("wrong directory contents: missing %v, extra %v", e.missing, e.extra)
}
// CheckDir checks the contents of the directory at path, making sure
// every directory entry listed in want is present. If the check is
// not nil, it must also pass.
//
// If want contains the impossible filename "", unexpected files are
// checked with that. If the key is not in want, unexpected files are
// an error.
//
// Missing entries, that are listed in want but not seen, are an
// error.
func CheckDir(path string, want map[string]FileInfoCheck) error {
problems := &checkDirError{
missing: make(map[string]struct{}, len(want)),
extra: make(map[string]os.FileMode),
}
for k := range want {
if k == "" {
continue
}
problems.missing[k] = struct{}{}
}
fis, err := ioutil.ReadDir(path)
if err != nil {
return fmt.Errorf("cannot read directory: %v", err)
}
for _, fi := range fis {
check, ok := want[fi.Name()]
if !ok {
check, ok = want[""]
}
if !ok {
problems.extra[fi.Name()] = fi.Mode()
continue
}
delete(problems.missing, fi.Name())
if check != nil {
if err := check(fi); err != nil {
return fmt.Errorf("check failed: %v: %v", fi.Name(), err)
}
}
}
if len(problems.missing) > 0 || len(problems.extra) > 0 {
return problems
}
return nil
}

65
vendor/bazil.org/fuse/fs/fstestutil/debug.go generated vendored Normal file
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package fstestutil
import (
"flag"
"log"
"strconv"
"bazil.org/fuse"
)
type flagDebug bool
var debug flagDebug
var _ = flag.Value(&debug)
func (f *flagDebug) IsBoolFlag() bool {
return true
}
func nop(msg interface{}) {}
func (f *flagDebug) Set(s string) error {
v, err := strconv.ParseBool(s)
if err != nil {
return err
}
*f = flagDebug(v)
if v {
fuse.Debug = logMsg
} else {
fuse.Debug = nop
}
return nil
}
func (f *flagDebug) String() string {
return strconv.FormatBool(bool(*f))
}
func logMsg(msg interface{}) {
log.Printf("FUSE: %s\n", msg)
}
func init() {
flag.Var(&debug, "fuse.debug", "log FUSE processing details")
}
// DebugByDefault changes the default of the `-fuse.debug` flag to
// true.
//
// This package registers a command line flag `-fuse.debug` and when
// run with that flag (and activated inside the tests), logs FUSE
// debug messages.
//
// This is disabled by default, as most callers probably won't care
// about FUSE details. Use DebugByDefault for tests where you'd
// normally be passing `-fuse.debug` all the time anyway.
//
// Call from an init function.
func DebugByDefault() {
f := flag.Lookup("fuse.debug")
f.DefValue = "true"
f.Value.Set(f.DefValue)
}

1
vendor/bazil.org/fuse/fs/fstestutil/doc.go generated vendored Normal file
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package fstestutil // import "bazil.org/fuse/fs/fstestutil"

141
vendor/bazil.org/fuse/fs/fstestutil/mounted.go generated vendored Normal file
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package fstestutil
import (
"errors"
"io/ioutil"
"log"
"os"
"testing"
"time"
"bazil.org/fuse"
"bazil.org/fuse/fs"
)
// Mount contains information about the mount for the test to use.
type Mount struct {
// Dir is the temporary directory where the filesystem is mounted.
Dir string
Conn *fuse.Conn
Server *fs.Server
// Error will receive the return value of Serve.
Error <-chan error
done <-chan struct{}
closed bool
}
// Close unmounts the filesystem and waits for fs.Serve to return. Any
// returned error will be stored in Err. It is safe to call Close
// multiple times.
func (mnt *Mount) Close() {
if mnt.closed {
return
}
mnt.closed = true
for tries := 0; tries < 1000; tries++ {
err := fuse.Unmount(mnt.Dir)
if err != nil {
// TODO do more than log?
log.Printf("unmount error: %v", err)
time.Sleep(10 * time.Millisecond)
continue
}
break
}
<-mnt.done
mnt.Conn.Close()
os.Remove(mnt.Dir)
}
// MountedFunc mounts a filesystem at a temporary directory. The
// filesystem used is constructed by calling a function, to allow
// storing fuse.Conn and fs.Server in the FS.
//
// It also waits until the filesystem is known to be visible (OS X
// workaround).
//
// After successful return, caller must clean up by calling Close.
func MountedFunc(fn func(*Mount) fs.FS, conf *fs.Config, options ...fuse.MountOption) (*Mount, error) {
dir, err := ioutil.TempDir("", "fusetest")
if err != nil {
return nil, err
}
c, err := fuse.Mount(dir, options...)
if err != nil {
return nil, err
}
server := fs.New(c, conf)
done := make(chan struct{})
serveErr := make(chan error, 1)
mnt := &Mount{
Dir: dir,
Conn: c,
Server: server,
Error: serveErr,
done: done,
}
filesys := fn(mnt)
go func() {
defer close(done)
serveErr <- server.Serve(filesys)
}()
select {
case <-mnt.Conn.Ready:
if err := mnt.Conn.MountError; err != nil {
return nil, err
}
return mnt, nil
case err = <-mnt.Error:
// Serve quit early
if err != nil {
return nil, err
}
return nil, errors.New("Serve exited early")
}
}
// Mounted mounts the fuse.Server at a temporary directory.
//
// It also waits until the filesystem is known to be visible (OS X
// workaround).
//
// After successful return, caller must clean up by calling Close.
func Mounted(filesys fs.FS, conf *fs.Config, options ...fuse.MountOption) (*Mount, error) {
fn := func(*Mount) fs.FS { return filesys }
return MountedFunc(fn, conf, options...)
}
// MountedFuncT mounts a filesystem at a temporary directory,
// directing it's debug log to the testing logger.
//
// See MountedFunc for usage.
//
// The debug log is not enabled by default. Use `-fuse.debug` or call
// DebugByDefault to enable.
func MountedFuncT(t testing.TB, fn func(*Mount) fs.FS, conf *fs.Config, options ...fuse.MountOption) (*Mount, error) {
if conf == nil {
conf = &fs.Config{}
}
if debug && conf.Debug == nil {
conf.Debug = func(msg interface{}) {
t.Logf("FUSE: %s", msg)
}
}
return MountedFunc(fn, conf, options...)
}
// MountedT mounts the filesystem at a temporary directory,
// directing it's debug log to the testing logger.
//
// See Mounted for usage.
//
// The debug log is not enabled by default. Use `-fuse.debug` or call
// DebugByDefault to enable.
func MountedT(t testing.TB, filesys fs.FS, conf *fs.Config, options ...fuse.MountOption) (*Mount, error) {
fn := func(*Mount) fs.FS { return filesys }
return MountedFuncT(t, fn, conf, options...)
}

26
vendor/bazil.org/fuse/fs/fstestutil/mountinfo.go generated vendored Normal file
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package fstestutil
// MountInfo describes a mounted file system.
type MountInfo struct {
FSName string
Type string
}
// GetMountInfo finds information about the mount at mnt. It is
// intended for use by tests only, and only fetches information
// relevant to the current tests.
func GetMountInfo(mnt string) (*MountInfo, error) {
return getMountInfo(mnt)
}
// cstr converts a nil-terminated C string into a Go string
func cstr(ca []int8) string {
s := make([]byte, 0, len(ca))
for _, c := range ca {
if c == 0x00 {
break
}
s = append(s, byte(c))
}
return string(s)
}

29
vendor/bazil.org/fuse/fs/fstestutil/mountinfo_darwin.go generated vendored Normal file
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@ -0,0 +1,29 @@
package fstestutil
import (
"regexp"
"syscall"
)
var re = regexp.MustCompile(`\\(.)`)
// unescape removes backslash-escaping. The escaped characters are not
// mapped in any way; that is, unescape(`\n` ) == `n`.
func unescape(s string) string {
return re.ReplaceAllString(s, `$1`)
}
func getMountInfo(mnt string) (*MountInfo, error) {
var st syscall.Statfs_t
err := syscall.Statfs(mnt, &st)
if err != nil {
return nil, err
}
i := &MountInfo{
// osx getmntent(3) fails to un-escape the data, so we do it..
// this might lead to double-unescaping in the future. fun.
// TestMountOptionFSNameEvilBackslashDouble checks for that.
FSName: unescape(cstr(st.Mntfromname[:])),
}
return i, nil
}

7
vendor/bazil.org/fuse/fs/fstestutil/mountinfo_freebsd.go generated vendored Normal file
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@ -0,0 +1,7 @@
package fstestutil
import "errors"
func getMountInfo(mnt string) (*MountInfo, error) {
return nil, errors.New("FreeBSD has no useful mount information")
}

51
vendor/bazil.org/fuse/fs/fstestutil/mountinfo_linux.go generated vendored Normal file
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@ -0,0 +1,51 @@
package fstestutil
import (
"errors"
"io/ioutil"
"strings"
)
// Linux /proc/mounts shows current mounts.
// Same format as /etc/fstab. Quoting getmntent(3):
//
// Since fields in the mtab and fstab files are separated by whitespace,
// octal escapes are used to represent the four characters space (\040),
// tab (\011), newline (\012) and backslash (\134) in those files when
// they occur in one of the four strings in a mntent structure.
//
// http://linux.die.net/man/3/getmntent
var fstabUnescape = strings.NewReplacer(
`\040`, "\040",
`\011`, "\011",
`\012`, "\012",
`\134`, "\134",
)
var errNotFound = errors.New("mount not found")
func getMountInfo(mnt string) (*MountInfo, error) {
data, err := ioutil.ReadFile("/proc/mounts")
if err != nil {
return nil, err
}
for _, line := range strings.Split(string(data), "\n") {
fields := strings.Fields(line)
if len(fields) < 3 {
continue
}
// Fields are: fsname dir type opts freq passno
fsname := fstabUnescape.Replace(fields[0])
dir := fstabUnescape.Replace(fields[1])
fstype := fstabUnescape.Replace(fields[2])
if mnt == dir {
info := &MountInfo{
FSName: fsname,
Type: fstype,
}
return info, nil
}
}
return nil, errNotFound
}

28
vendor/bazil.org/fuse/fs/fstestutil/record/buffer.go generated vendored Normal file
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package record
import (
"bytes"
"io"
"sync"
)
// Buffer is like bytes.Buffer but safe to access from multiple
// goroutines.
type Buffer struct {
mu sync.Mutex
buf bytes.Buffer
}
var _ = io.Writer(&Buffer{})
func (b *Buffer) Write(p []byte) (n int, err error) {
b.mu.Lock()
defer b.mu.Unlock()
return b.buf.Write(p)
}
func (b *Buffer) Bytes() []byte {
b.mu.Lock()
defer b.mu.Unlock()
return b.buf.Bytes()
}

409
vendor/bazil.org/fuse/fs/fstestutil/record/record.go generated vendored Normal file
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@ -0,0 +1,409 @@
package record // import "bazil.org/fuse/fs/fstestutil/record"
import (
"sync"
"sync/atomic"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"golang.org/x/net/context"
)
// Writes gathers data from FUSE Write calls.
type Writes struct {
buf Buffer
}
var _ = fs.HandleWriter(&Writes{})
func (w *Writes) Write(ctx context.Context, req *fuse.WriteRequest, resp *fuse.WriteResponse) error {
n, err := w.buf.Write(req.Data)
resp.Size = n
if err != nil {
return err
}
return nil
}
func (w *Writes) RecordedWriteData() []byte {
return w.buf.Bytes()
}
// Counter records number of times a thing has occurred.
type Counter struct {
count uint32
}
func (r *Counter) Inc() {
atomic.AddUint32(&r.count, 1)
}
func (r *Counter) Count() uint32 {
return atomic.LoadUint32(&r.count)
}
// MarkRecorder records whether a thing has occurred.
type MarkRecorder struct {
count Counter
}
func (r *MarkRecorder) Mark() {
r.count.Inc()
}
func (r *MarkRecorder) Recorded() bool {
return r.count.Count() > 0
}
// Flushes notes whether a FUSE Flush call has been seen.
type Flushes struct {
rec MarkRecorder
}
var _ = fs.HandleFlusher(&Flushes{})
func (r *Flushes) Flush(ctx context.Context, req *fuse.FlushRequest) error {
r.rec.Mark()
return nil
}
func (r *Flushes) RecordedFlush() bool {
return r.rec.Recorded()
}
type Recorder struct {
mu sync.Mutex
val interface{}
}
// Record that we've seen value. A nil value is indistinguishable from
// no value recorded.
func (r *Recorder) Record(value interface{}) {
r.mu.Lock()
r.val = value
r.mu.Unlock()
}
func (r *Recorder) Recorded() interface{} {
r.mu.Lock()
val := r.val
r.mu.Unlock()
return val
}
type RequestRecorder struct {
rec Recorder
}
// Record a fuse.Request, after zeroing header fields that are hard to
// reproduce.
//
// Make sure to record a copy, not the original request.
func (r *RequestRecorder) RecordRequest(req fuse.Request) {
hdr := req.Hdr()
*hdr = fuse.Header{}
r.rec.Record(req)
}
func (r *RequestRecorder) Recorded() fuse.Request {
val := r.rec.Recorded()
if val == nil {
return nil
}
return val.(fuse.Request)
}
// Setattrs records a Setattr request and its fields.
type Setattrs struct {
rec RequestRecorder
}
var _ = fs.NodeSetattrer(&Setattrs{})
func (r *Setattrs) Setattr(ctx context.Context, req *fuse.SetattrRequest, resp *fuse.SetattrResponse) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil
}
func (r *Setattrs) RecordedSetattr() fuse.SetattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.SetattrRequest{}
}
return *(val.(*fuse.SetattrRequest))
}
// Fsyncs records an Fsync request and its fields.
type Fsyncs struct {
rec RequestRecorder
}
var _ = fs.NodeFsyncer(&Fsyncs{})
func (r *Fsyncs) Fsync(ctx context.Context, req *fuse.FsyncRequest) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil
}
func (r *Fsyncs) RecordedFsync() fuse.FsyncRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.FsyncRequest{}
}
return *(val.(*fuse.FsyncRequest))
}
// Mkdirs records a Mkdir request and its fields.
type Mkdirs struct {
rec RequestRecorder
}
var _ = fs.NodeMkdirer(&Mkdirs{})
// Mkdir records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Mkdirs) Mkdir(ctx context.Context, req *fuse.MkdirRequest) (fs.Node, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedMkdir returns information about the Mkdir request.
// If no request was seen, returns a zero value.
func (r *Mkdirs) RecordedMkdir() fuse.MkdirRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.MkdirRequest{}
}
return *(val.(*fuse.MkdirRequest))
}
// Symlinks records a Symlink request and its fields.
type Symlinks struct {
rec RequestRecorder
}
var _ = fs.NodeSymlinker(&Symlinks{})
// Symlink records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Symlinks) Symlink(ctx context.Context, req *fuse.SymlinkRequest) (fs.Node, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedSymlink returns information about the Symlink request.
// If no request was seen, returns a zero value.
func (r *Symlinks) RecordedSymlink() fuse.SymlinkRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.SymlinkRequest{}
}
return *(val.(*fuse.SymlinkRequest))
}
// Links records a Link request and its fields.
type Links struct {
rec RequestRecorder
}
var _ = fs.NodeLinker(&Links{})
// Link records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Links) Link(ctx context.Context, req *fuse.LinkRequest, old fs.Node) (fs.Node, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedLink returns information about the Link request.
// If no request was seen, returns a zero value.
func (r *Links) RecordedLink() fuse.LinkRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.LinkRequest{}
}
return *(val.(*fuse.LinkRequest))
}
// Mknods records a Mknod request and its fields.
type Mknods struct {
rec RequestRecorder
}
var _ = fs.NodeMknoder(&Mknods{})
// Mknod records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Mknods) Mknod(ctx context.Context, req *fuse.MknodRequest) (fs.Node, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedMknod returns information about the Mknod request.
// If no request was seen, returns a zero value.
func (r *Mknods) RecordedMknod() fuse.MknodRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.MknodRequest{}
}
return *(val.(*fuse.MknodRequest))
}
// Opens records a Open request and its fields.
type Opens struct {
rec RequestRecorder
}
var _ = fs.NodeOpener(&Opens{})
// Open records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Opens) Open(ctx context.Context, req *fuse.OpenRequest, resp *fuse.OpenResponse) (fs.Handle, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, fuse.EIO
}
// RecordedOpen returns information about the Open request.
// If no request was seen, returns a zero value.
func (r *Opens) RecordedOpen() fuse.OpenRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.OpenRequest{}
}
return *(val.(*fuse.OpenRequest))
}
// Getxattrs records a Getxattr request and its fields.
type Getxattrs struct {
rec RequestRecorder
}
var _ = fs.NodeGetxattrer(&Getxattrs{})
// Getxattr records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Getxattrs) Getxattr(ctx context.Context, req *fuse.GetxattrRequest, resp *fuse.GetxattrResponse) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return fuse.ErrNoXattr
}
// RecordedGetxattr returns information about the Getxattr request.
// If no request was seen, returns a zero value.
func (r *Getxattrs) RecordedGetxattr() fuse.GetxattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.GetxattrRequest{}
}
return *(val.(*fuse.GetxattrRequest))
}
// Listxattrs records a Listxattr request and its fields.
type Listxattrs struct {
rec RequestRecorder
}
var _ = fs.NodeListxattrer(&Listxattrs{})
// Listxattr records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Listxattrs) Listxattr(ctx context.Context, req *fuse.ListxattrRequest, resp *fuse.ListxattrResponse) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return fuse.ErrNoXattr
}
// RecordedListxattr returns information about the Listxattr request.
// If no request was seen, returns a zero value.
func (r *Listxattrs) RecordedListxattr() fuse.ListxattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.ListxattrRequest{}
}
return *(val.(*fuse.ListxattrRequest))
}
// Setxattrs records a Setxattr request and its fields.
type Setxattrs struct {
rec RequestRecorder
}
var _ = fs.NodeSetxattrer(&Setxattrs{})
// Setxattr records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Setxattrs) Setxattr(ctx context.Context, req *fuse.SetxattrRequest) error {
tmp := *req
// The byte slice points to memory that will be reused, so make a
// deep copy.
tmp.Xattr = append([]byte(nil), req.Xattr...)
r.rec.RecordRequest(&tmp)
return nil
}
// RecordedSetxattr returns information about the Setxattr request.
// If no request was seen, returns a zero value.
func (r *Setxattrs) RecordedSetxattr() fuse.SetxattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.SetxattrRequest{}
}
return *(val.(*fuse.SetxattrRequest))
}
// Removexattrs records a Removexattr request and its fields.
type Removexattrs struct {
rec RequestRecorder
}
var _ = fs.NodeRemovexattrer(&Removexattrs{})
// Removexattr records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Removexattrs) Removexattr(ctx context.Context, req *fuse.RemovexattrRequest) error {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil
}
// RecordedRemovexattr returns information about the Removexattr request.
// If no request was seen, returns a zero value.
func (r *Removexattrs) RecordedRemovexattr() fuse.RemovexattrRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.RemovexattrRequest{}
}
return *(val.(*fuse.RemovexattrRequest))
}
// Creates records a Create request and its fields.
type Creates struct {
rec RequestRecorder
}
var _ = fs.NodeCreater(&Creates{})
// Create records the request and returns an error. Most callers should
// wrap this call in a function that returns a more useful result.
func (r *Creates) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (fs.Node, fs.Handle, error) {
tmp := *req
r.rec.RecordRequest(&tmp)
return nil, nil, fuse.EIO
}
// RecordedCreate returns information about the Create request.
// If no request was seen, returns a zero value.
func (r *Creates) RecordedCreate() fuse.CreateRequest {
val := r.rec.Recorded()
if val == nil {
return fuse.CreateRequest{}
}
return *(val.(*fuse.CreateRequest))
}

55
vendor/bazil.org/fuse/fs/fstestutil/record/wait.go generated vendored Normal file
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package record
import (
"sync"
"time"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"golang.org/x/net/context"
)
type nothing struct{}
// ReleaseWaiter notes whether a FUSE Release call has been seen.
//
// Releases are not guaranteed to happen synchronously with any client
// call, so they must be waited for.
type ReleaseWaiter struct {
once sync.Once
seen chan nothing
}
var _ = fs.HandleReleaser(&ReleaseWaiter{})
func (r *ReleaseWaiter) init() {
r.once.Do(func() {
r.seen = make(chan nothing, 1)
})
}
func (r *ReleaseWaiter) Release(ctx context.Context, req *fuse.ReleaseRequest) error {
r.init()
close(r.seen)
return nil
}
// WaitForRelease waits for Release to be called.
//
// With zero duration, wait forever. Otherwise, timeout early
// in a more controller way than `-test.timeout`.
//
// Returns whether a Release was seen. Always true if dur==0.
func (r *ReleaseWaiter) WaitForRelease(dur time.Duration) bool {
r.init()
var timeout <-chan time.Time
if dur > 0 {
timeout = time.After(dur)
}
select {
case <-r.seen:
return true
case <-timeout:
return false
}
}

55
vendor/bazil.org/fuse/fs/fstestutil/testfs.go generated vendored Normal file
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package fstestutil
import (
"os"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"golang.org/x/net/context"
)
// SimpleFS is a trivial FS that just implements the Root method.
type SimpleFS struct {
Node fs.Node
}
var _ = fs.FS(SimpleFS{})
func (f SimpleFS) Root() (fs.Node, error) {
return f.Node, nil
}
// File can be embedded in a struct to make it look like a file.
type File struct{}
func (f File) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = 0666
return nil
}
// Dir can be embedded in a struct to make it look like a directory.
type Dir struct{}
func (f Dir) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = os.ModeDir | 0777
return nil
}
// ChildMap is a directory with child nodes looked up from a map.
type ChildMap map[string]fs.Node
var _ = fs.Node(&ChildMap{})
var _ = fs.NodeStringLookuper(&ChildMap{})
func (f *ChildMap) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = os.ModeDir | 0777
return nil
}
func (f *ChildMap) Lookup(ctx context.Context, name string) (fs.Node, error) {
child, ok := (*f)[name]
if !ok {
return nil, fuse.ENOENT
}
return child, nil
}

67
vendor/bazil.org/fuse/fs/helpers_test.go generated vendored Normal file
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package fs_test
import (
"errors"
"flag"
"os"
"os/exec"
"path/filepath"
"testing"
)
var childHelpers = map[string]func(){}
type childProcess struct {
name string
fn func()
}
var _ flag.Value = (*childProcess)(nil)
func (c *childProcess) String() string {
return c.name
}
func (c *childProcess) Set(s string) error {
fn, ok := childHelpers[s]
if !ok {
return errors.New("helper not found")
}
c.name = s
c.fn = fn
return nil
}
var childMode childProcess
func init() {
flag.Var(&childMode, "fuse.internal.child", "internal use only")
}
// childCmd prepares a test function to be run in a subprocess, with
// childMode set to true. Caller must still call Run or Start.
//
// Re-using the test executable as the subprocess is useful because
// now test executables can e.g. be cross-compiled, transferred
// between hosts, and run in settings where the whole Go development
// environment is not installed.
func childCmd(childName string) (*exec.Cmd, error) {
// caller may set cwd, so we can't rely on relative paths
executable, err := filepath.Abs(os.Args[0])
if err != nil {
return nil, err
}
cmd := exec.Command(executable, "-fuse.internal.child="+childName)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd, nil
}
func TestMain(m *testing.M) {
flag.Parse()
if childMode.fn != nil {
childMode.fn()
os.Exit(0)
}
os.Exit(m.Run())
}

1568
vendor/bazil.org/fuse/fs/serve.go generated vendored Normal file
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30
vendor/bazil.org/fuse/fs/serve_darwin_test.go generated vendored Normal file
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package fs_test
import (
"testing"
"bazil.org/fuse/fs/fstestutil"
"golang.org/x/sys/unix"
)
type exchangeData struct {
fstestutil.File
// this struct cannot be zero size or multiple instances may look identical
_ int
}
func TestExchangeDataNotSupported(t *testing.T) {
t.Parallel()
mnt, err := fstestutil.MountedT(t, fstestutil.SimpleFS{&fstestutil.ChildMap{
"one": &exchangeData{},
"two": &exchangeData{},
}}, nil)
if err != nil {
t.Fatal(err)
}
defer mnt.Close()
if err := unix.Exchangedata(mnt.Dir+"/one", mnt.Dir+"/two", 0); err != unix.ENOTSUP {
t.Fatalf("expected ENOTSUP from exchangedata: %v", err)
}
}

2843
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99
vendor/bazil.org/fuse/fs/tree.go generated vendored Normal file
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// FUSE directory tree, for servers that wish to use it with the service loop.
package fs
import (
"os"
pathpkg "path"
"strings"
"golang.org/x/net/context"
)
import (
"bazil.org/fuse"
)
// A Tree implements a basic read-only directory tree for FUSE.
// The Nodes contained in it may still be writable.
type Tree struct {
tree
}
func (t *Tree) Root() (Node, error) {
return &t.tree, nil
}
// Add adds the path to the tree, resolving to the given node.
// If path or a prefix of path has already been added to the tree,
// Add panics.
//
// Add is only safe to call before starting to serve requests.
func (t *Tree) Add(path string, node Node) {
path = pathpkg.Clean("/" + path)[1:]
elems := strings.Split(path, "/")
dir := Node(&t.tree)
for i, elem := range elems {
dt, ok := dir.(*tree)
if !ok {
panic("fuse: Tree.Add for " + strings.Join(elems[:i], "/") + " and " + path)
}
n := dt.lookup(elem)
if n != nil {
if i+1 == len(elems) {
panic("fuse: Tree.Add for " + path + " conflicts with " + elem)
}
dir = n
} else {
if i+1 == len(elems) {
dt.add(elem, node)
} else {
dir = &tree{}
dt.add(elem, dir)
}
}
}
}
type treeDir struct {
name string
node Node
}
type tree struct {
dir []treeDir
}
func (t *tree) lookup(name string) Node {
for _, d := range t.dir {
if d.name == name {
return d.node
}
}
return nil
}
func (t *tree) add(name string, n Node) {
t.dir = append(t.dir, treeDir{name, n})
}
func (t *tree) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = os.ModeDir | 0555
return nil
}
func (t *tree) Lookup(ctx context.Context, name string) (Node, error) {
n := t.lookup(name)
if n != nil {
return n, nil
}
return nil, fuse.ENOENT
}
func (t *tree) ReadDirAll(ctx context.Context) ([]fuse.Dirent, error) {
var out []fuse.Dirent
for _, d := range t.dir {
out = append(out, fuse.Dirent{Name: d.name})
}
return out, nil
}

2303
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9
vendor/bazil.org/fuse/fuse_darwin.go generated vendored Normal file
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package fuse
// Maximum file write size we are prepared to receive from the kernel.
//
// This value has to be >=16MB or OSXFUSE (3.4.0 observed) will
// forcibly close the /dev/fuse file descriptor on a Setxattr with a
// 16MB value. See TestSetxattr16MB and
// https://github.com/bazil/fuse/issues/42
const maxWrite = 16 * 1024 * 1024

6
vendor/bazil.org/fuse/fuse_freebsd.go generated vendored Normal file
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package fuse
// Maximum file write size we are prepared to receive from the kernel.
//
// This number is just a guess.
const maxWrite = 128 * 1024

774
vendor/bazil.org/fuse/fuse_kernel.go generated vendored Normal file
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// See the file LICENSE for copyright and licensing information.
// Derived from FUSE's fuse_kernel.h, which carries this notice:
/*
This file defines the kernel interface of FUSE
Copyright (C) 2001-2007 Miklos Szeredi <miklos@szeredi.hu>
This -- and only this -- header file may also be distributed under
the terms of the BSD Licence as follows:
Copyright (C) 2001-2007 Miklos Szeredi. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.
*/
package fuse
import (
"fmt"
"syscall"
"unsafe"
)
// The FUSE version implemented by the package.
const (
protoVersionMinMajor = 7
protoVersionMinMinor = 8
protoVersionMaxMajor = 7
protoVersionMaxMinor = 12
)
const (
rootID = 1
)
type kstatfs struct {
Blocks uint64
Bfree uint64
Bavail uint64
Files uint64
Ffree uint64
Bsize uint32
Namelen uint32
Frsize uint32
_ uint32
Spare [6]uint32
}
type fileLock struct {
Start uint64
End uint64
Type uint32
Pid uint32
}
// GetattrFlags are bit flags that can be seen in GetattrRequest.
type GetattrFlags uint32
const (
// Indicates the handle is valid.
GetattrFh GetattrFlags = 1 << 0
)
var getattrFlagsNames = []flagName{
{uint32(GetattrFh), "GetattrFh"},
}
func (fl GetattrFlags) String() string {
return flagString(uint32(fl), getattrFlagsNames)
}
// The SetattrValid are bit flags describing which fields in the SetattrRequest
// are included in the change.
type SetattrValid uint32
const (
SetattrMode SetattrValid = 1 << 0
SetattrUid SetattrValid = 1 << 1
SetattrGid SetattrValid = 1 << 2
SetattrSize SetattrValid = 1 << 3
SetattrAtime SetattrValid = 1 << 4
SetattrMtime SetattrValid = 1 << 5
SetattrHandle SetattrValid = 1 << 6
// Linux only(?)
SetattrAtimeNow SetattrValid = 1 << 7
SetattrMtimeNow SetattrValid = 1 << 8
SetattrLockOwner SetattrValid = 1 << 9 // http://www.mail-archive.com/git-commits-head@vger.kernel.org/msg27852.html
// OS X only
SetattrCrtime SetattrValid = 1 << 28
SetattrChgtime SetattrValid = 1 << 29
SetattrBkuptime SetattrValid = 1 << 30
SetattrFlags SetattrValid = 1 << 31
)
func (fl SetattrValid) Mode() bool { return fl&SetattrMode != 0 }
func (fl SetattrValid) Uid() bool { return fl&SetattrUid != 0 }
func (fl SetattrValid) Gid() bool { return fl&SetattrGid != 0 }
func (fl SetattrValid) Size() bool { return fl&SetattrSize != 0 }
func (fl SetattrValid) Atime() bool { return fl&SetattrAtime != 0 }
func (fl SetattrValid) Mtime() bool { return fl&SetattrMtime != 0 }
func (fl SetattrValid) Handle() bool { return fl&SetattrHandle != 0 }
func (fl SetattrValid) AtimeNow() bool { return fl&SetattrAtimeNow != 0 }
func (fl SetattrValid) MtimeNow() bool { return fl&SetattrMtimeNow != 0 }
func (fl SetattrValid) LockOwner() bool { return fl&SetattrLockOwner != 0 }
func (fl SetattrValid) Crtime() bool { return fl&SetattrCrtime != 0 }
func (fl SetattrValid) Chgtime() bool { return fl&SetattrChgtime != 0 }
func (fl SetattrValid) Bkuptime() bool { return fl&SetattrBkuptime != 0 }
func (fl SetattrValid) Flags() bool { return fl&SetattrFlags != 0 }
func (fl SetattrValid) String() string {
return flagString(uint32(fl), setattrValidNames)
}
var setattrValidNames = []flagName{
{uint32(SetattrMode), "SetattrMode"},
{uint32(SetattrUid), "SetattrUid"},
{uint32(SetattrGid), "SetattrGid"},
{uint32(SetattrSize), "SetattrSize"},
{uint32(SetattrAtime), "SetattrAtime"},
{uint32(SetattrMtime), "SetattrMtime"},
{uint32(SetattrHandle), "SetattrHandle"},
{uint32(SetattrAtimeNow), "SetattrAtimeNow"},
{uint32(SetattrMtimeNow), "SetattrMtimeNow"},
{uint32(SetattrLockOwner), "SetattrLockOwner"},
{uint32(SetattrCrtime), "SetattrCrtime"},
{uint32(SetattrChgtime), "SetattrChgtime"},
{uint32(SetattrBkuptime), "SetattrBkuptime"},
{uint32(SetattrFlags), "SetattrFlags"},
}
// Flags that can be seen in OpenRequest.Flags.
const (
// Access modes. These are not 1-bit flags, but alternatives where
// only one can be chosen. See the IsReadOnly etc convenience
// methods.
OpenReadOnly OpenFlags = syscall.O_RDONLY
OpenWriteOnly OpenFlags = syscall.O_WRONLY
OpenReadWrite OpenFlags = syscall.O_RDWR
// File was opened in append-only mode, all writes will go to end
// of file. OS X does not provide this information.
OpenAppend OpenFlags = syscall.O_APPEND
OpenCreate OpenFlags = syscall.O_CREAT
OpenDirectory OpenFlags = syscall.O_DIRECTORY
OpenExclusive OpenFlags = syscall.O_EXCL
OpenNonblock OpenFlags = syscall.O_NONBLOCK
OpenSync OpenFlags = syscall.O_SYNC
OpenTruncate OpenFlags = syscall.O_TRUNC
)
// OpenAccessModeMask is a bitmask that separates the access mode
// from the other flags in OpenFlags.
const OpenAccessModeMask OpenFlags = syscall.O_ACCMODE
// OpenFlags are the O_FOO flags passed to open/create/etc calls. For
// example, os.O_WRONLY | os.O_APPEND.
type OpenFlags uint32
func (fl OpenFlags) String() string {
// O_RDONLY, O_RWONLY, O_RDWR are not flags
s := accModeName(fl & OpenAccessModeMask)
flags := uint32(fl &^ OpenAccessModeMask)
if flags != 0 {
s = s + "+" + flagString(flags, openFlagNames)
}
return s
}
// Return true if OpenReadOnly is set.
func (fl OpenFlags) IsReadOnly() bool {
return fl&OpenAccessModeMask == OpenReadOnly
}
// Return true if OpenWriteOnly is set.
func (fl OpenFlags) IsWriteOnly() bool {
return fl&OpenAccessModeMask == OpenWriteOnly
}
// Return true if OpenReadWrite is set.
func (fl OpenFlags) IsReadWrite() bool {
return fl&OpenAccessModeMask == OpenReadWrite
}
func accModeName(flags OpenFlags) string {
switch flags {
case OpenReadOnly:
return "OpenReadOnly"
case OpenWriteOnly:
return "OpenWriteOnly"
case OpenReadWrite:
return "OpenReadWrite"
default:
return ""
}
}
var openFlagNames = []flagName{
{uint32(OpenAppend), "OpenAppend"},
{uint32(OpenCreate), "OpenCreate"},
{uint32(OpenDirectory), "OpenDirectory"},
{uint32(OpenExclusive), "OpenExclusive"},
{uint32(OpenNonblock), "OpenNonblock"},
{uint32(OpenSync), "OpenSync"},
{uint32(OpenTruncate), "OpenTruncate"},
}
// The OpenResponseFlags are returned in the OpenResponse.
type OpenResponseFlags uint32
const (
OpenDirectIO OpenResponseFlags = 1 << 0 // bypass page cache for this open file
OpenKeepCache OpenResponseFlags = 1 << 1 // don't invalidate the data cache on open
OpenNonSeekable OpenResponseFlags = 1 << 2 // mark the file as non-seekable (not supported on OS X)
OpenPurgeAttr OpenResponseFlags = 1 << 30 // OS X
OpenPurgeUBC OpenResponseFlags = 1 << 31 // OS X
)
func (fl OpenResponseFlags) String() string {
return flagString(uint32(fl), openResponseFlagNames)
}
var openResponseFlagNames = []flagName{
{uint32(OpenDirectIO), "OpenDirectIO"},
{uint32(OpenKeepCache), "OpenKeepCache"},
{uint32(OpenNonSeekable), "OpenNonSeekable"},
{uint32(OpenPurgeAttr), "OpenPurgeAttr"},
{uint32(OpenPurgeUBC), "OpenPurgeUBC"},
}
// The InitFlags are used in the Init exchange.
type InitFlags uint32
const (
InitAsyncRead InitFlags = 1 << 0
InitPosixLocks InitFlags = 1 << 1
InitFileOps InitFlags = 1 << 2
InitAtomicTrunc InitFlags = 1 << 3
InitExportSupport InitFlags = 1 << 4
InitBigWrites InitFlags = 1 << 5
// Do not mask file access modes with umask. Not supported on OS X.
InitDontMask InitFlags = 1 << 6
InitSpliceWrite InitFlags = 1 << 7
InitSpliceMove InitFlags = 1 << 8
InitSpliceRead InitFlags = 1 << 9
InitFlockLocks InitFlags = 1 << 10
InitHasIoctlDir InitFlags = 1 << 11
InitAutoInvalData InitFlags = 1 << 12
InitDoReaddirplus InitFlags = 1 << 13
InitReaddirplusAuto InitFlags = 1 << 14
InitAsyncDIO InitFlags = 1 << 15
InitWritebackCache InitFlags = 1 << 16
InitNoOpenSupport InitFlags = 1 << 17
InitCaseSensitive InitFlags = 1 << 29 // OS X only
InitVolRename InitFlags = 1 << 30 // OS X only
InitXtimes InitFlags = 1 << 31 // OS X only
)
type flagName struct {
bit uint32
name string
}
var initFlagNames = []flagName{
{uint32(InitAsyncRead), "InitAsyncRead"},
{uint32(InitPosixLocks), "InitPosixLocks"},
{uint32(InitFileOps), "InitFileOps"},
{uint32(InitAtomicTrunc), "InitAtomicTrunc"},
{uint32(InitExportSupport), "InitExportSupport"},
{uint32(InitBigWrites), "InitBigWrites"},
{uint32(InitDontMask), "InitDontMask"},
{uint32(InitSpliceWrite), "InitSpliceWrite"},
{uint32(InitSpliceMove), "InitSpliceMove"},
{uint32(InitSpliceRead), "InitSpliceRead"},
{uint32(InitFlockLocks), "InitFlockLocks"},
{uint32(InitHasIoctlDir), "InitHasIoctlDir"},
{uint32(InitAutoInvalData), "InitAutoInvalData"},
{uint32(InitDoReaddirplus), "InitDoReaddirplus"},
{uint32(InitReaddirplusAuto), "InitReaddirplusAuto"},
{uint32(InitAsyncDIO), "InitAsyncDIO"},
{uint32(InitWritebackCache), "InitWritebackCache"},
{uint32(InitNoOpenSupport), "InitNoOpenSupport"},
{uint32(InitCaseSensitive), "InitCaseSensitive"},
{uint32(InitVolRename), "InitVolRename"},
{uint32(InitXtimes), "InitXtimes"},
}
func (fl InitFlags) String() string {
return flagString(uint32(fl), initFlagNames)
}
func flagString(f uint32, names []flagName) string {
var s string
if f == 0 {
return "0"
}
for _, n := range names {
if f&n.bit != 0 {
s += "+" + n.name
f &^= n.bit
}
}
if f != 0 {
s += fmt.Sprintf("%+#x", f)
}
return s[1:]
}
// The ReleaseFlags are used in the Release exchange.
type ReleaseFlags uint32
const (
ReleaseFlush ReleaseFlags = 1 << 0
)
func (fl ReleaseFlags) String() string {
return flagString(uint32(fl), releaseFlagNames)
}
var releaseFlagNames = []flagName{
{uint32(ReleaseFlush), "ReleaseFlush"},
}
// Opcodes
const (
opLookup = 1
opForget = 2 // no reply
opGetattr = 3
opSetattr = 4
opReadlink = 5
opSymlink = 6
opMknod = 8
opMkdir = 9
opUnlink = 10
opRmdir = 11
opRename = 12
opLink = 13
opOpen = 14
opRead = 15
opWrite = 16
opStatfs = 17
opRelease = 18
opFsync = 20
opSetxattr = 21
opGetxattr = 22
opListxattr = 23
opRemovexattr = 24
opFlush = 25
opInit = 26
opOpendir = 27
opReaddir = 28
opReleasedir = 29
opFsyncdir = 30
opGetlk = 31
opSetlk = 32
opSetlkw = 33
opAccess = 34
opCreate = 35
opInterrupt = 36
opBmap = 37
opDestroy = 38
opIoctl = 39 // Linux?
opPoll = 40 // Linux?
// OS X
opSetvolname = 61
opGetxtimes = 62
opExchange = 63
)
type entryOut struct {
Nodeid uint64 // Inode ID
Generation uint64 // Inode generation
EntryValid uint64 // Cache timeout for the name
AttrValid uint64 // Cache timeout for the attributes
EntryValidNsec uint32
AttrValidNsec uint32
Attr attr
}
func entryOutSize(p Protocol) uintptr {
switch {
case p.LT(Protocol{7, 9}):
return unsafe.Offsetof(entryOut{}.Attr) + unsafe.Offsetof(entryOut{}.Attr.Blksize)
default:
return unsafe.Sizeof(entryOut{})
}
}
type forgetIn struct {
Nlookup uint64
}
type getattrIn struct {
GetattrFlags uint32
_ uint32
Fh uint64
}
type attrOut struct {
AttrValid uint64 // Cache timeout for the attributes
AttrValidNsec uint32
_ uint32
Attr attr
}
func attrOutSize(p Protocol) uintptr {
switch {
case p.LT(Protocol{7, 9}):
return unsafe.Offsetof(attrOut{}.Attr) + unsafe.Offsetof(attrOut{}.Attr.Blksize)
default:
return unsafe.Sizeof(attrOut{})
}
}
// OS X
type getxtimesOut struct {
Bkuptime uint64
Crtime uint64
BkuptimeNsec uint32
CrtimeNsec uint32
}
type mknodIn struct {
Mode uint32
Rdev uint32
Umask uint32
_ uint32
// "filename\x00" follows.
}
func mknodInSize(p Protocol) uintptr {
switch {
case p.LT(Protocol{7, 12}):
return unsafe.Offsetof(mknodIn{}.Umask)
default:
return unsafe.Sizeof(mknodIn{})
}
}
type mkdirIn struct {
Mode uint32
Umask uint32
// filename follows
}
func mkdirInSize(p Protocol) uintptr {
switch {
case p.LT(Protocol{7, 12}):
return unsafe.Offsetof(mkdirIn{}.Umask) + 4
default:
return unsafe.Sizeof(mkdirIn{})
}
}
type renameIn struct {
Newdir uint64
// "oldname\x00newname\x00" follows
}
// OS X
type exchangeIn struct {
Olddir uint64
Newdir uint64
Options uint64
// "oldname\x00newname\x00" follows
}
type linkIn struct {
Oldnodeid uint64
}
type setattrInCommon struct {
Valid uint32
_ uint32
Fh uint64
Size uint64
LockOwner uint64 // unused on OS X?
Atime uint64
Mtime uint64
Unused2 uint64
AtimeNsec uint32
MtimeNsec uint32
Unused3 uint32
Mode uint32
Unused4 uint32
Uid uint32
Gid uint32
Unused5 uint32
}
type openIn struct {
Flags uint32
Unused uint32
}
type openOut struct {
Fh uint64
OpenFlags uint32
_ uint32
}
type createIn struct {
Flags uint32
Mode uint32
Umask uint32
_ uint32
}
func createInSize(p Protocol) uintptr {
switch {
case p.LT(Protocol{7, 12}):
return unsafe.Offsetof(createIn{}.Umask)
default:
return unsafe.Sizeof(createIn{})
}
}
type releaseIn struct {
Fh uint64
Flags uint32
ReleaseFlags uint32
LockOwner uint32
}
type flushIn struct {
Fh uint64
FlushFlags uint32
_ uint32
LockOwner uint64
}
type readIn struct {
Fh uint64
Offset uint64
Size uint32
ReadFlags uint32
LockOwner uint64
Flags uint32
_ uint32
}
func readInSize(p Protocol) uintptr {
switch {
case p.LT(Protocol{7, 9}):
return unsafe.Offsetof(readIn{}.ReadFlags) + 4
default:
return unsafe.Sizeof(readIn{})
}
}
// The ReadFlags are passed in ReadRequest.
type ReadFlags uint32
const (
// LockOwner field is valid.
ReadLockOwner ReadFlags = 1 << 1
)
var readFlagNames = []flagName{
{uint32(ReadLockOwner), "ReadLockOwner"},
}
func (fl ReadFlags) String() string {
return flagString(uint32(fl), readFlagNames)
}
type writeIn struct {
Fh uint64
Offset uint64
Size uint32
WriteFlags uint32
LockOwner uint64
Flags uint32
_ uint32
}
func writeInSize(p Protocol) uintptr {
switch {
case p.LT(Protocol{7, 9}):
return unsafe.Offsetof(writeIn{}.LockOwner)
default:
return unsafe.Sizeof(writeIn{})
}
}
type writeOut struct {
Size uint32
_ uint32
}
// The WriteFlags are passed in WriteRequest.
type WriteFlags uint32
const (
WriteCache WriteFlags = 1 << 0
// LockOwner field is valid.
WriteLockOwner WriteFlags = 1 << 1
)
var writeFlagNames = []flagName{
{uint32(WriteCache), "WriteCache"},
{uint32(WriteLockOwner), "WriteLockOwner"},
}
func (fl WriteFlags) String() string {
return flagString(uint32(fl), writeFlagNames)
}
const compatStatfsSize = 48
type statfsOut struct {
St kstatfs
}
type fsyncIn struct {
Fh uint64
FsyncFlags uint32
_ uint32
}
type setxattrInCommon struct {
Size uint32
Flags uint32
}
func (setxattrInCommon) position() uint32 {
return 0
}
type getxattrInCommon struct {
Size uint32
_ uint32
}
func (getxattrInCommon) position() uint32 {
return 0
}
type getxattrOut struct {
Size uint32
_ uint32
}
type lkIn struct {
Fh uint64
Owner uint64
Lk fileLock
LkFlags uint32
_ uint32
}
func lkInSize(p Protocol) uintptr {
switch {
case p.LT(Protocol{7, 9}):
return unsafe.Offsetof(lkIn{}.LkFlags)
default:
return unsafe.Sizeof(lkIn{})
}
}
type lkOut struct {
Lk fileLock
}
type accessIn struct {
Mask uint32
_ uint32
}
type initIn struct {
Major uint32
Minor uint32
MaxReadahead uint32
Flags uint32
}
const initInSize = int(unsafe.Sizeof(initIn{}))
type initOut struct {
Major uint32
Minor uint32
MaxReadahead uint32
Flags uint32
Unused uint32
MaxWrite uint32
}
type interruptIn struct {
Unique uint64
}
type bmapIn struct {
Block uint64
BlockSize uint32
_ uint32
}
type bmapOut struct {
Block uint64
}
type inHeader struct {
Len uint32
Opcode uint32
Unique uint64
Nodeid uint64
Uid uint32
Gid uint32
Pid uint32
_ uint32
}
const inHeaderSize = int(unsafe.Sizeof(inHeader{}))
type outHeader struct {
Len uint32
Error int32
Unique uint64
}
type dirent struct {
Ino uint64
Off uint64
Namelen uint32
Type uint32
Name [0]byte
}
const direntSize = 8 + 8 + 4 + 4
const (
notifyCodePoll int32 = 1
notifyCodeInvalInode int32 = 2
notifyCodeInvalEntry int32 = 3
)
type notifyInvalInodeOut struct {
Ino uint64
Off int64
Len int64
}
type notifyInvalEntryOut struct {
Parent uint64
Namelen uint32
_ uint32
}

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vendor/bazil.org/fuse/fuse_kernel_darwin.go generated vendored Normal file
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package fuse
import (
"time"
)
type attr struct {
Ino uint64
Size uint64
Blocks uint64
Atime uint64
Mtime uint64
Ctime uint64
Crtime_ uint64 // OS X only
AtimeNsec uint32
MtimeNsec uint32
CtimeNsec uint32
CrtimeNsec uint32 // OS X only
Mode uint32
Nlink uint32
Uid uint32
Gid uint32
Rdev uint32
Flags_ uint32 // OS X only; see chflags(2)
Blksize uint32
padding uint32
}
func (a *attr) SetCrtime(s uint64, ns uint32) {
a.Crtime_, a.CrtimeNsec = s, ns
}
func (a *attr) SetFlags(f uint32) {
a.Flags_ = f
}
type setattrIn struct {
setattrInCommon
// OS X only
Bkuptime_ uint64
Chgtime_ uint64
Crtime uint64
BkuptimeNsec uint32
ChgtimeNsec uint32
CrtimeNsec uint32
Flags_ uint32 // see chflags(2)
}
func (in *setattrIn) BkupTime() time.Time {
return time.Unix(int64(in.Bkuptime_), int64(in.BkuptimeNsec))
}
func (in *setattrIn) Chgtime() time.Time {
return time.Unix(int64(in.Chgtime_), int64(in.ChgtimeNsec))
}
func (in *setattrIn) Flags() uint32 {
return in.Flags_
}
func openFlags(flags uint32) OpenFlags {
return OpenFlags(flags)
}
type getxattrIn struct {
getxattrInCommon
// OS X only
Position uint32
Padding uint32
}
func (g *getxattrIn) position() uint32 {
return g.Position
}
type setxattrIn struct {
setxattrInCommon
// OS X only
Position uint32
Padding uint32
}
func (s *setxattrIn) position() uint32 {
return s.Position
}

62
vendor/bazil.org/fuse/fuse_kernel_freebsd.go generated vendored Normal file
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package fuse
import "time"
type attr struct {
Ino uint64
Size uint64
Blocks uint64
Atime uint64
Mtime uint64
Ctime uint64
AtimeNsec uint32
MtimeNsec uint32
CtimeNsec uint32
Mode uint32
Nlink uint32
Uid uint32
Gid uint32
Rdev uint32
Blksize uint32
padding uint32
}
func (a *attr) Crtime() time.Time {
return time.Time{}
}
func (a *attr) SetCrtime(s uint64, ns uint32) {
// ignored on freebsd
}
func (a *attr) SetFlags(f uint32) {
// ignored on freebsd
}
type setattrIn struct {
setattrInCommon
}
func (in *setattrIn) BkupTime() time.Time {
return time.Time{}
}
func (in *setattrIn) Chgtime() time.Time {
return time.Time{}
}
func (in *setattrIn) Flags() uint32 {
return 0
}
func openFlags(flags uint32) OpenFlags {
return OpenFlags(flags)
}
type getxattrIn struct {
getxattrInCommon
}
type setxattrIn struct {
setxattrInCommon
}

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vendor/bazil.org/fuse/fuse_kernel_linux.go generated vendored Normal file
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package fuse
import "time"
type attr struct {
Ino uint64
Size uint64
Blocks uint64
Atime uint64
Mtime uint64
Ctime uint64
AtimeNsec uint32
MtimeNsec uint32
CtimeNsec uint32
Mode uint32
Nlink uint32
Uid uint32
Gid uint32
Rdev uint32
Blksize uint32
padding uint32
}
func (a *attr) Crtime() time.Time {
return time.Time{}
}
func (a *attr) SetCrtime(s uint64, ns uint32) {
// Ignored on Linux.
}
func (a *attr) SetFlags(f uint32) {
// Ignored on Linux.
}
type setattrIn struct {
setattrInCommon
}
func (in *setattrIn) BkupTime() time.Time {
return time.Time{}
}
func (in *setattrIn) Chgtime() time.Time {
return time.Time{}
}
func (in *setattrIn) Flags() uint32 {
return 0
}
func openFlags(flags uint32) OpenFlags {
// on amd64, the 32-bit O_LARGEFILE flag is always seen;
// on i386, the flag probably depends on the app
// requesting, but in any case should be utterly
// uninteresting to us here; our kernel protocol messages
// are not directly related to the client app's kernel
// API/ABI
flags &^= 0x8000
return OpenFlags(flags)
}
type getxattrIn struct {
getxattrInCommon
}
type setxattrIn struct {
setxattrInCommon
}

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vendor/bazil.org/fuse/fuse_kernel_std.go generated vendored Normal file
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package fuse

63
vendor/bazil.org/fuse/fuse_kernel_test.go generated vendored Normal file
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package fuse_test
import (
"os"
"testing"
"bazil.org/fuse"
)
func TestOpenFlagsAccmodeMaskReadWrite(t *testing.T) {
var f = fuse.OpenFlags(os.O_RDWR | os.O_SYNC)
if g, e := f&fuse.OpenAccessModeMask, fuse.OpenReadWrite; g != e {
t.Fatalf("OpenAccessModeMask behaves wrong: %v: %o != %o", f, g, e)
}
if f.IsReadOnly() {
t.Fatalf("IsReadOnly is wrong: %v", f)
}
if f.IsWriteOnly() {
t.Fatalf("IsWriteOnly is wrong: %v", f)
}
if !f.IsReadWrite() {
t.Fatalf("IsReadWrite is wrong: %v", f)
}
}
func TestOpenFlagsAccmodeMaskReadOnly(t *testing.T) {
var f = fuse.OpenFlags(os.O_RDONLY | os.O_SYNC)
if g, e := f&fuse.OpenAccessModeMask, fuse.OpenReadOnly; g != e {
t.Fatalf("OpenAccessModeMask behaves wrong: %v: %o != %o", f, g, e)
}
if !f.IsReadOnly() {
t.Fatalf("IsReadOnly is wrong: %v", f)
}
if f.IsWriteOnly() {
t.Fatalf("IsWriteOnly is wrong: %v", f)
}
if f.IsReadWrite() {
t.Fatalf("IsReadWrite is wrong: %v", f)
}
}
func TestOpenFlagsAccmodeMaskWriteOnly(t *testing.T) {
var f = fuse.OpenFlags(os.O_WRONLY | os.O_SYNC)
if g, e := f&fuse.OpenAccessModeMask, fuse.OpenWriteOnly; g != e {
t.Fatalf("OpenAccessModeMask behaves wrong: %v: %o != %o", f, g, e)
}
if f.IsReadOnly() {
t.Fatalf("IsReadOnly is wrong: %v", f)
}
if !f.IsWriteOnly() {
t.Fatalf("IsWriteOnly is wrong: %v", f)
}
if f.IsReadWrite() {
t.Fatalf("IsReadWrite is wrong: %v", f)
}
}
func TestOpenFlagsString(t *testing.T) {
var f = fuse.OpenFlags(os.O_RDWR | os.O_SYNC | os.O_APPEND)
if g, e := f.String(), "OpenReadWrite+OpenAppend+OpenSync"; g != e {
t.Fatalf("OpenFlags.String: %q != %q", g, e)
}
}

7
vendor/bazil.org/fuse/fuse_linux.go generated vendored Normal file
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package fuse
// Maximum file write size we are prepared to receive from the kernel.
//
// Linux 4.2.0 has been observed to cap this value at 128kB
// (FUSE_MAX_PAGES_PER_REQ=32, 4kB pages).
const maxWrite = 128 * 1024

20
vendor/bazil.org/fuse/fuseutil/fuseutil.go generated vendored Normal file
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@ -0,0 +1,20 @@
package fuseutil // import "bazil.org/fuse/fuseutil"
import (
"bazil.org/fuse"
)
// HandleRead handles a read request assuming that data is the entire file content.
// It adjusts the amount returned in resp according to req.Offset and req.Size.
func HandleRead(req *fuse.ReadRequest, resp *fuse.ReadResponse, data []byte) {
if req.Offset >= int64(len(data)) {
data = nil
} else {
data = data[req.Offset:]
}
if len(data) > req.Size {
data = data[:req.Size]
}
n := copy(resp.Data[:req.Size], data)
resp.Data = resp.Data[:n]
}

38
vendor/bazil.org/fuse/mount.go generated vendored Normal file
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package fuse
import (
"bufio"
"errors"
"io"
"log"
"sync"
)
var (
// ErrOSXFUSENotFound is returned from Mount when the OSXFUSE
// installation is not detected.
//
// Only happens on OS X. Make sure OSXFUSE is installed, or see
// OSXFUSELocations for customization.
ErrOSXFUSENotFound = errors.New("cannot locate OSXFUSE")
)
func neverIgnoreLine(line string) bool {
return false
}
func lineLogger(wg *sync.WaitGroup, prefix string, ignore func(line string) bool, r io.ReadCloser) {
defer wg.Done()
scanner := bufio.NewScanner(r)
for scanner.Scan() {
line := scanner.Text()
if ignore(line) {
continue
}
log.Printf("%s: %s", prefix, line)
}
if err := scanner.Err(); err != nil {
log.Printf("%s, error reading: %v", prefix, err)
}
}

208
vendor/bazil.org/fuse/mount_darwin.go generated vendored Normal file
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package fuse
import (
"errors"
"fmt"
"log"
"os"
"os/exec"
"path"
"strconv"
"strings"
"sync"
"syscall"
)
var (
errNoAvail = errors.New("no available fuse devices")
errNotLoaded = errors.New("osxfuse is not loaded")
)
func loadOSXFUSE(bin string) error {
cmd := exec.Command(bin)
cmd.Dir = "/"
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
err := cmd.Run()
return err
}
func openOSXFUSEDev(devPrefix string) (*os.File, error) {
var f *os.File
var err error
for i := uint64(0); ; i++ {
path := devPrefix + strconv.FormatUint(i, 10)
f, err = os.OpenFile(path, os.O_RDWR, 0000)
if os.IsNotExist(err) {
if i == 0 {
// not even the first device was found -> fuse is not loaded
return nil, errNotLoaded
}
// we've run out of kernel-provided devices
return nil, errNoAvail
}
if err2, ok := err.(*os.PathError); ok && err2.Err == syscall.EBUSY {
// try the next one
continue
}
if err != nil {
return nil, err
}
return f, nil
}
}
func handleMountOSXFUSE(helperName string, errCh chan<- error) func(line string) (ignore bool) {
var noMountpointPrefix = helperName + `: `
const noMountpointSuffix = `: No such file or directory`
return func(line string) (ignore bool) {
if strings.HasPrefix(line, noMountpointPrefix) && strings.HasSuffix(line, noMountpointSuffix) {
// re-extract it from the error message in case some layer
// changed the path
mountpoint := line[len(noMountpointPrefix) : len(line)-len(noMountpointSuffix)]
err := &MountpointDoesNotExistError{
Path: mountpoint,
}
select {
case errCh <- err:
return true
default:
// not the first error; fall back to logging it
return false
}
}
return false
}
}
// isBoringMountOSXFUSEError returns whether the Wait error is
// uninteresting; exit status 64 is.
func isBoringMountOSXFUSEError(err error) bool {
if err, ok := err.(*exec.ExitError); ok && err.Exited() {
if status, ok := err.Sys().(syscall.WaitStatus); ok && status.ExitStatus() == 64 {
return true
}
}
return false
}
func callMount(bin string, daemonVar string, dir string, conf *mountConfig, f *os.File, ready chan<- struct{}, errp *error) error {
for k, v := range conf.options {
if strings.Contains(k, ",") || strings.Contains(v, ",") {
// Silly limitation but the mount helper does not
// understand any escaping. See TestMountOptionCommaError.
return fmt.Errorf("mount options cannot contain commas on darwin: %q=%q", k, v)
}
}
cmd := exec.Command(
bin,
"-o", conf.getOptions(),
// Tell osxfuse-kext how large our buffer is. It must split
// writes larger than this into multiple writes.
//
// OSXFUSE seems to ignore InitResponse.MaxWrite, and uses
// this instead.
"-o", "iosize="+strconv.FormatUint(maxWrite, 10),
// refers to fd passed in cmd.ExtraFiles
"3",
dir,
)
cmd.ExtraFiles = []*os.File{f}
cmd.Env = os.Environ()
// OSXFUSE <3.3.0
cmd.Env = append(cmd.Env, "MOUNT_FUSEFS_CALL_BY_LIB=")
// OSXFUSE >=3.3.0
cmd.Env = append(cmd.Env, "MOUNT_OSXFUSE_CALL_BY_LIB=")
daemon := os.Args[0]
if daemonVar != "" {
cmd.Env = append(cmd.Env, daemonVar+"="+daemon)
}
stdout, err := cmd.StdoutPipe()
if err != nil {
return fmt.Errorf("setting up mount_osxfusefs stderr: %v", err)
}
stderr, err := cmd.StderrPipe()
if err != nil {
return fmt.Errorf("setting up mount_osxfusefs stderr: %v", err)
}
if err := cmd.Start(); err != nil {
return fmt.Errorf("mount_osxfusefs: %v", err)
}
helperErrCh := make(chan error, 1)
go func() {
var wg sync.WaitGroup
wg.Add(2)
go lineLogger(&wg, "mount helper output", neverIgnoreLine, stdout)
helperName := path.Base(bin)
go lineLogger(&wg, "mount helper error", handleMountOSXFUSE(helperName, helperErrCh), stderr)
wg.Wait()
if err := cmd.Wait(); err != nil {
// see if we have a better error to report
select {
case helperErr := <-helperErrCh:
// log the Wait error if it's not what we expected
if !isBoringMountOSXFUSEError(err) {
log.Printf("mount helper failed: %v", err)
}
// and now return what we grabbed from stderr as the real
// error
*errp = helperErr
close(ready)
return
default:
// nope, fall back to generic message
}
*errp = fmt.Errorf("mount_osxfusefs: %v", err)
close(ready)
return
}
*errp = nil
close(ready)
}()
return nil
}
func mount(dir string, conf *mountConfig, ready chan<- struct{}, errp *error) (*os.File, error) {
locations := conf.osxfuseLocations
if locations == nil {
locations = []OSXFUSEPaths{
OSXFUSELocationV3,
OSXFUSELocationV2,
}
}
for _, loc := range locations {
if _, err := os.Stat(loc.Mount); os.IsNotExist(err) {
// try the other locations
continue
}
f, err := openOSXFUSEDev(loc.DevicePrefix)
if err == errNotLoaded {
err = loadOSXFUSE(loc.Load)
if err != nil {
return nil, err
}
// try again
f, err = openOSXFUSEDev(loc.DevicePrefix)
}
if err != nil {
return nil, err
}
err = callMount(loc.Mount, loc.DaemonVar, dir, conf, f, ready, errp)
if err != nil {
f.Close()
return nil, err
}
return f, nil
}
return nil, ErrOSXFUSENotFound
}

111
vendor/bazil.org/fuse/mount_freebsd.go generated vendored Normal file
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package fuse
import (
"fmt"
"log"
"os"
"os/exec"
"strings"
"sync"
"syscall"
)
func handleMountFusefsStderr(errCh chan<- error) func(line string) (ignore bool) {
return func(line string) (ignore bool) {
const (
noMountpointPrefix = `mount_fusefs: `
noMountpointSuffix = `: No such file or directory`
)
if strings.HasPrefix(line, noMountpointPrefix) && strings.HasSuffix(line, noMountpointSuffix) {
// re-extract it from the error message in case some layer
// changed the path
mountpoint := line[len(noMountpointPrefix) : len(line)-len(noMountpointSuffix)]
err := &MountpointDoesNotExistError{
Path: mountpoint,
}
select {
case errCh <- err:
return true
default:
// not the first error; fall back to logging it
return false
}
}
return false
}
}
// isBoringMountFusefsError returns whether the Wait error is
// uninteresting; exit status 1 is.
func isBoringMountFusefsError(err error) bool {
if err, ok := err.(*exec.ExitError); ok && err.Exited() {
if status, ok := err.Sys().(syscall.WaitStatus); ok && status.ExitStatus() == 1 {
return true
}
}
return false
}
func mount(dir string, conf *mountConfig, ready chan<- struct{}, errp *error) (*os.File, error) {
for k, v := range conf.options {
if strings.Contains(k, ",") || strings.Contains(v, ",") {
// Silly limitation but the mount helper does not
// understand any escaping. See TestMountOptionCommaError.
return nil, fmt.Errorf("mount options cannot contain commas on FreeBSD: %q=%q", k, v)
}
}
f, err := os.OpenFile("/dev/fuse", os.O_RDWR, 0000)
if err != nil {
*errp = err
return nil, err
}
cmd := exec.Command(
"/sbin/mount_fusefs",
"--safe",
"-o", conf.getOptions(),
"3",
dir,
)
cmd.ExtraFiles = []*os.File{f}
stdout, err := cmd.StdoutPipe()
if err != nil {
return nil, fmt.Errorf("setting up mount_fusefs stderr: %v", err)
}
stderr, err := cmd.StderrPipe()
if err != nil {
return nil, fmt.Errorf("setting up mount_fusefs stderr: %v", err)
}
if err := cmd.Start(); err != nil {
return nil, fmt.Errorf("mount_fusefs: %v", err)
}
helperErrCh := make(chan error, 1)
var wg sync.WaitGroup
wg.Add(2)
go lineLogger(&wg, "mount helper output", neverIgnoreLine, stdout)
go lineLogger(&wg, "mount helper error", handleMountFusefsStderr(helperErrCh), stderr)
wg.Wait()
if err := cmd.Wait(); err != nil {
// see if we have a better error to report
select {
case helperErr := <-helperErrCh:
// log the Wait error if it's not what we expected
if !isBoringMountFusefsError(err) {
log.Printf("mount helper failed: %v", err)
}
// and now return what we grabbed from stderr as the real
// error
return nil, helperErr
default:
// nope, fall back to generic message
}
return nil, fmt.Errorf("mount_fusefs: %v", err)
}
close(ready)
return f, nil
}

150
vendor/bazil.org/fuse/mount_linux.go generated vendored Normal file
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@ -0,0 +1,150 @@
package fuse
import (
"fmt"
"log"
"net"
"os"
"os/exec"
"strings"
"sync"
"syscall"
)
func handleFusermountStderr(errCh chan<- error) func(line string) (ignore bool) {
return func(line string) (ignore bool) {
if line == `fusermount: failed to open /etc/fuse.conf: Permission denied` {
// Silence this particular message, it occurs way too
// commonly and isn't very relevant to whether the mount
// succeeds or not.
return true
}
const (
noMountpointPrefix = `fusermount: failed to access mountpoint `
noMountpointSuffix = `: No such file or directory`
)
if strings.HasPrefix(line, noMountpointPrefix) && strings.HasSuffix(line, noMountpointSuffix) {
// re-extract it from the error message in case some layer
// changed the path
mountpoint := line[len(noMountpointPrefix) : len(line)-len(noMountpointSuffix)]
err := &MountpointDoesNotExistError{
Path: mountpoint,
}
select {
case errCh <- err:
return true
default:
// not the first error; fall back to logging it
return false
}
}
return false
}
}
// isBoringFusermountError returns whether the Wait error is
// uninteresting; exit status 1 is.
func isBoringFusermountError(err error) bool {
if err, ok := err.(*exec.ExitError); ok && err.Exited() {
if status, ok := err.Sys().(syscall.WaitStatus); ok && status.ExitStatus() == 1 {
return true
}
}
return false
}
func mount(dir string, conf *mountConfig, ready chan<- struct{}, errp *error) (fusefd *os.File, err error) {
// linux mount is never delayed
close(ready)
fds, err := syscall.Socketpair(syscall.AF_FILE, syscall.SOCK_STREAM, 0)
if err != nil {
return nil, fmt.Errorf("socketpair error: %v", err)
}
writeFile := os.NewFile(uintptr(fds[0]), "fusermount-child-writes")
defer writeFile.Close()
readFile := os.NewFile(uintptr(fds[1]), "fusermount-parent-reads")
defer readFile.Close()
cmd := exec.Command(
"fusermount",
"-o", conf.getOptions(),
"--",
dir,
)
cmd.Env = append(os.Environ(), "_FUSE_COMMFD=3")
cmd.ExtraFiles = []*os.File{writeFile}
var wg sync.WaitGroup
stdout, err := cmd.StdoutPipe()
if err != nil {
return nil, fmt.Errorf("setting up fusermount stderr: %v", err)
}
stderr, err := cmd.StderrPipe()
if err != nil {
return nil, fmt.Errorf("setting up fusermount stderr: %v", err)
}
if err := cmd.Start(); err != nil {
return nil, fmt.Errorf("fusermount: %v", err)
}
helperErrCh := make(chan error, 1)
wg.Add(2)
go lineLogger(&wg, "mount helper output", neverIgnoreLine, stdout)
go lineLogger(&wg, "mount helper error", handleFusermountStderr(helperErrCh), stderr)
wg.Wait()
if err := cmd.Wait(); err != nil {
// see if we have a better error to report
select {
case helperErr := <-helperErrCh:
// log the Wait error if it's not what we expected
if !isBoringFusermountError(err) {
log.Printf("mount helper failed: %v", err)
}
// and now return what we grabbed from stderr as the real
// error
return nil, helperErr
default:
// nope, fall back to generic message
}
return nil, fmt.Errorf("fusermount: %v", err)
}
c, err := net.FileConn(readFile)
if err != nil {
return nil, fmt.Errorf("FileConn from fusermount socket: %v", err)
}
defer c.Close()
uc, ok := c.(*net.UnixConn)
if !ok {
return nil, fmt.Errorf("unexpected FileConn type; expected UnixConn, got %T", c)
}
buf := make([]byte, 32) // expect 1 byte
oob := make([]byte, 32) // expect 24 bytes
_, oobn, _, _, err := uc.ReadMsgUnix(buf, oob)
scms, err := syscall.ParseSocketControlMessage(oob[:oobn])
if err != nil {
return nil, fmt.Errorf("ParseSocketControlMessage: %v", err)
}
if len(scms) != 1 {
return nil, fmt.Errorf("expected 1 SocketControlMessage; got scms = %#v", scms)
}
scm := scms[0]
gotFds, err := syscall.ParseUnixRights(&scm)
if err != nil {
return nil, fmt.Errorf("syscall.ParseUnixRights: %v", err)
}
if len(gotFds) != 1 {
return nil, fmt.Errorf("wanted 1 fd; got %#v", gotFds)
}
f := os.NewFile(uintptr(gotFds[0]), "/dev/fuse")
return f, nil
}

310
vendor/bazil.org/fuse/options.go generated vendored Normal file
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package fuse
import (
"errors"
"strings"
)
func dummyOption(conf *mountConfig) error {
return nil
}
// mountConfig holds the configuration for a mount operation.
// Use it by passing MountOption values to Mount.
type mountConfig struct {
options map[string]string
maxReadahead uint32
initFlags InitFlags
osxfuseLocations []OSXFUSEPaths
}
func escapeComma(s string) string {
s = strings.Replace(s, `\`, `\\`, -1)
s = strings.Replace(s, `,`, `\,`, -1)
return s
}
// getOptions makes a string of options suitable for passing to FUSE
// mount flag `-o`. Returns an empty string if no options were set.
// Any platform specific adjustments should happen before the call.
func (m *mountConfig) getOptions() string {
var opts []string
for k, v := range m.options {
k = escapeComma(k)
if v != "" {
k += "=" + escapeComma(v)
}
opts = append(opts, k)
}
return strings.Join(opts, ",")
}
type mountOption func(*mountConfig) error
// MountOption is passed to Mount to change the behavior of the mount.
type MountOption mountOption
// FSName sets the file system name (also called source) that is
// visible in the list of mounted file systems.
//
// FreeBSD ignores this option.
func FSName(name string) MountOption {
return func(conf *mountConfig) error {
conf.options["fsname"] = name
return nil
}
}
// Subtype sets the subtype of the mount. The main type is always
// `fuse`. The type in a list of mounted file systems will look like
// `fuse.foo`.
//
// OS X ignores this option.
// FreeBSD ignores this option.
func Subtype(fstype string) MountOption {
return func(conf *mountConfig) error {
conf.options["subtype"] = fstype
return nil
}
}
// LocalVolume sets the volume to be local (instead of network),
// changing the behavior of Finder, Spotlight, and such.
//
// OS X only. Others ignore this option.
func LocalVolume() MountOption {
return localVolume
}
// VolumeName sets the volume name shown in Finder.
//
// OS X only. Others ignore this option.
func VolumeName(name string) MountOption {
return volumeName(name)
}
// NoAppleDouble makes OSXFUSE disallow files with names used by OS X
// to store extended attributes on file systems that do not support
// them natively.
//
// Such file names are:
//
// ._*
// .DS_Store
//
// OS X only. Others ignore this option.
func NoAppleDouble() MountOption {
return noAppleDouble
}
// NoAppleXattr makes OSXFUSE disallow extended attributes with the
// prefix "com.apple.". This disables persistent Finder state and
// other such information.
//
// OS X only. Others ignore this option.
func NoAppleXattr() MountOption {
return noAppleXattr
}
// ExclCreate causes O_EXCL flag to be set for only "truly" exclusive creates,
// i.e. create calls for which the initiator explicitly set the O_EXCL flag.
//
// OSXFUSE expects all create calls to return EEXIST in case the file
// already exists, regardless of whether O_EXCL was specified or not.
// To ensure this behavior, it normally sets OpenExclusive for all
// Create calls, regardless of whether the original call had it set.
// For distributed filesystems, that may force every file create to be
// a distributed consensus action, causing undesirable delays.
//
// This option makes the FUSE filesystem see the original flag value,
// and better decide when to ensure global consensus.
//
// Note that returning EEXIST on existing file create is still
// expected with OSXFUSE, regardless of the presence of the
// OpenExclusive flag.
//
// For more information, see
// https://github.com/osxfuse/osxfuse/issues/209
//
// OS X only. Others ignore this options.
// Requires OSXFUSE 3.4.1 or newer.
func ExclCreate() MountOption {
return exclCreate
}
// DaemonTimeout sets the time in seconds between a request and a reply before
// the FUSE mount is declared dead.
//
// OS X and FreeBSD only. Others ignore this option.
func DaemonTimeout(name string) MountOption {
return daemonTimeout(name)
}
var ErrCannotCombineAllowOtherAndAllowRoot = errors.New("cannot combine AllowOther and AllowRoot")
// AllowOther allows other users to access the file system.
//
// Only one of AllowOther or AllowRoot can be used.
func AllowOther() MountOption {
return func(conf *mountConfig) error {
if _, ok := conf.options["allow_root"]; ok {
return ErrCannotCombineAllowOtherAndAllowRoot
}
conf.options["allow_other"] = ""
return nil
}
}
// AllowRoot allows other users to access the file system.
//
// Only one of AllowOther or AllowRoot can be used.
//
// FreeBSD ignores this option.
func AllowRoot() MountOption {
return func(conf *mountConfig) error {
if _, ok := conf.options["allow_other"]; ok {
return ErrCannotCombineAllowOtherAndAllowRoot
}
conf.options["allow_root"] = ""
return nil
}
}
// AllowDev enables interpreting character or block special devices on the
// filesystem.
func AllowDev() MountOption {
return func(conf *mountConfig) error {
conf.options["dev"] = ""
return nil
}
}
// AllowSUID allows set-user-identifier or set-group-identifier bits to take
// effect.
func AllowSUID() MountOption {
return func(conf *mountConfig) error {
conf.options["suid"] = ""
return nil
}
}
// DefaultPermissions makes the kernel enforce access control based on
// the file mode (as in chmod).
//
// Without this option, the Node itself decides what is and is not
// allowed. This is normally ok because FUSE file systems cannot be
// accessed by other users without AllowOther/AllowRoot.
//
// FreeBSD ignores this option.
func DefaultPermissions() MountOption {
return func(conf *mountConfig) error {
conf.options["default_permissions"] = ""
return nil
}
}
// ReadOnly makes the mount read-only.
func ReadOnly() MountOption {
return func(conf *mountConfig) error {
conf.options["ro"] = ""
return nil
}
}
// MaxReadahead sets the number of bytes that can be prefetched for
// sequential reads. The kernel can enforce a maximum value lower than
// this.
//
// This setting makes the kernel perform speculative reads that do not
// originate from any client process. This usually tremendously
// improves read performance.
func MaxReadahead(n uint32) MountOption {
return func(conf *mountConfig) error {
conf.maxReadahead = n
return nil
}
}
// AsyncRead enables multiple outstanding read requests for the same
// handle. Without this, there is at most one request in flight at a
// time.
func AsyncRead() MountOption {
return func(conf *mountConfig) error {
conf.initFlags |= InitAsyncRead
return nil
}
}
// WritebackCache enables the kernel to buffer writes before sending
// them to the FUSE server. Without this, writethrough caching is
// used.
func WritebackCache() MountOption {
return func(conf *mountConfig) error {
conf.initFlags |= InitWritebackCache
return nil
}
}
// OSXFUSEPaths describes the paths used by an installed OSXFUSE
// version. See OSXFUSELocationV3 for typical values.
type OSXFUSEPaths struct {
// Prefix for the device file. At mount time, an incrementing
// number is suffixed until a free FUSE device is found.
DevicePrefix string
// Path of the load helper, used to load the kernel extension if
// no device files are found.
Load string
// Path of the mount helper, used for the actual mount operation.
Mount string
// Environment variable used to pass the path to the executable
// calling the mount helper.
DaemonVar string
}
// Default paths for OSXFUSE. See OSXFUSELocations.
var (
OSXFUSELocationV3 = OSXFUSEPaths{
DevicePrefix: "/dev/osxfuse",
Load: "/Library/Filesystems/osxfuse.fs/Contents/Resources/load_osxfuse",
Mount: "/Library/Filesystems/osxfuse.fs/Contents/Resources/mount_osxfuse",
DaemonVar: "MOUNT_OSXFUSE_DAEMON_PATH",
}
OSXFUSELocationV2 = OSXFUSEPaths{
DevicePrefix: "/dev/osxfuse",
Load: "/Library/Filesystems/osxfusefs.fs/Support/load_osxfusefs",
Mount: "/Library/Filesystems/osxfusefs.fs/Support/mount_osxfusefs",
DaemonVar: "MOUNT_FUSEFS_DAEMON_PATH",
}
)
// OSXFUSELocations sets where to look for OSXFUSE files. The
// arguments are all the possible locations. The previous locations
// are replaced.
//
// Without this option, OSXFUSELocationV3 and OSXFUSELocationV2 are
// used.
//
// OS X only. Others ignore this option.
func OSXFUSELocations(paths ...OSXFUSEPaths) MountOption {
return func(conf *mountConfig) error {
if len(paths) == 0 {
return errors.New("must specify at least one location for OSXFUSELocations")
}
// replace previous values, but make a copy so there's no
// worries about caller mutating their slice
conf.osxfuseLocations = append(conf.osxfuseLocations[:0], paths...)
return nil
}
}
// AllowNonEmptyMount allows the mounting over a non-empty directory.
//
// The files in it will be shadowed by the freshly created mount. By
// default these mounts are rejected to prevent accidental covering up
// of data, which could for example prevent automatic backup.
func AllowNonEmptyMount() MountOption {
return func(conf *mountConfig) error {
conf.options["nonempty"] = ""
return nil
}
}

64
vendor/bazil.org/fuse/options_daemon_timeout_test.go generated vendored Normal file
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// Test for adjustable timeout between a FUSE request and the daemon's response.
//
// +build darwin freebsd
package fuse_test
import (
"os"
"runtime"
"syscall"
"testing"
"time"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"bazil.org/fuse/fs/fstestutil"
"golang.org/x/net/context"
)
type slowCreaterDir struct {
fstestutil.Dir
}
var _ fs.NodeCreater = slowCreaterDir{}
func (c slowCreaterDir) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (fs.Node, fs.Handle, error) {
time.Sleep(10 * time.Second)
// pick a really distinct error, to identify it later
return nil, nil, fuse.Errno(syscall.ENAMETOOLONG)
}
func TestMountOptionDaemonTimeout(t *testing.T) {
if runtime.GOOS != "darwin" && runtime.GOOS != "freebsd" {
return
}
if testing.Short() {
t.Skip("skipping time-based test in short mode")
}
t.Parallel()
mnt, err := fstestutil.MountedT(t,
fstestutil.SimpleFS{slowCreaterDir{}},
nil,
fuse.DaemonTimeout("2"),
)
if err != nil {
t.Fatal(err)
}
defer mnt.Close()
// This should fail by the kernel timing out the request.
f, err := os.Create(mnt.Dir + "/child")
if err == nil {
f.Close()
t.Fatal("expected an error")
}
perr, ok := err.(*os.PathError)
if !ok {
t.Fatalf("expected PathError, got %T: %v", err, err)
}
if perr.Err == syscall.ENAMETOOLONG {
t.Fatalf("expected other than ENAMETOOLONG, got %T: %v", err, err)
}
}

35
vendor/bazil.org/fuse/options_darwin.go generated vendored Normal file
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@ -0,0 +1,35 @@
package fuse
func localVolume(conf *mountConfig) error {
conf.options["local"] = ""
return nil
}
func volumeName(name string) MountOption {
return func(conf *mountConfig) error {
conf.options["volname"] = name
return nil
}
}
func daemonTimeout(name string) MountOption {
return func(conf *mountConfig) error {
conf.options["daemon_timeout"] = name
return nil
}
}
func noAppleXattr(conf *mountConfig) error {
conf.options["noapplexattr"] = ""
return nil
}
func noAppleDouble(conf *mountConfig) error {
conf.options["noappledouble"] = ""
return nil
}
func exclCreate(conf *mountConfig) error {
conf.options["excl_create"] = ""
return nil
}

28
vendor/bazil.org/fuse/options_freebsd.go generated vendored Normal file
View file

@ -0,0 +1,28 @@
package fuse
func localVolume(conf *mountConfig) error {
return nil
}
func volumeName(name string) MountOption {
return dummyOption
}
func daemonTimeout(name string) MountOption {
return func(conf *mountConfig) error {
conf.options["timeout"] = name
return nil
}
}
func noAppleXattr(conf *mountConfig) error {
return nil
}
func noAppleDouble(conf *mountConfig) error {
return nil
}
func exclCreate(conf *mountConfig) error {
return nil
}

10
vendor/bazil.org/fuse/options_helper_test.go generated vendored Normal file
View file

@ -0,0 +1,10 @@
package fuse
// for TestMountOptionCommaError
func ForTestSetMountOption(k, v string) MountOption {
fn := func(conf *mountConfig) error {
conf.options[k] = v
return nil
}
return fn
}

25
vendor/bazil.org/fuse/options_linux.go generated vendored Normal file
View file

@ -0,0 +1,25 @@
package fuse
func localVolume(conf *mountConfig) error {
return nil
}
func volumeName(name string) MountOption {
return dummyOption
}
func daemonTimeout(name string) MountOption {
return dummyOption
}
func noAppleXattr(conf *mountConfig) error {
return nil
}
func noAppleDouble(conf *mountConfig) error {
return nil
}
func exclCreate(conf *mountConfig) error {
return nil
}

31
vendor/bazil.org/fuse/options_nocomma_test.go generated vendored Normal file
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@ -0,0 +1,31 @@
// This file contains tests for platforms that have no escape
// mechanism for including commas in mount options.
//
// +build darwin
package fuse_test
import (
"runtime"
"testing"
"bazil.org/fuse"
"bazil.org/fuse/fs/fstestutil"
)
func TestMountOptionCommaError(t *testing.T) {
t.Parallel()
// this test is not tied to any specific option, it just needs
// some string content
var evil = "FuseTest,Marker"
mnt, err := fstestutil.MountedT(t, fstestutil.SimpleFS{fstestutil.Dir{}}, nil,
fuse.ForTestSetMountOption("fusetest", evil),
)
if err == nil {
mnt.Close()
t.Fatal("expected an error about commas")
}
if g, e := err.Error(), `mount options cannot contain commas on `+runtime.GOOS+`: "fusetest"="FuseTest,Marker"`; g != e {
t.Fatalf("wrong error: %q != %q", g, e)
}
}

231
vendor/bazil.org/fuse/options_test.go generated vendored Normal file
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@ -0,0 +1,231 @@
package fuse_test
import (
"os"
"runtime"
"syscall"
"testing"
"bazil.org/fuse"
"bazil.org/fuse/fs"
"bazil.org/fuse/fs/fstestutil"
"golang.org/x/net/context"
)
func init() {
fstestutil.DebugByDefault()
}
func TestMountOptionFSName(t *testing.T) {
if runtime.GOOS == "freebsd" {
t.Skip("FreeBSD does not support FSName")
}
t.Parallel()
const name = "FuseTestMarker"
mnt, err := fstestutil.MountedT(t, fstestutil.SimpleFS{fstestutil.Dir{}}, nil,
fuse.FSName(name),
)
if err != nil {
t.Fatal(err)
}
defer mnt.Close()
info, err := fstestutil.GetMountInfo(mnt.Dir)
if err != nil {
t.Fatal(err)
}
if g, e := info.FSName, name; g != e {
t.Errorf("wrong FSName: %q != %q", g, e)
}
}
func testMountOptionFSNameEvil(t *testing.T, evil string) {
if runtime.GOOS == "freebsd" {
t.Skip("FreeBSD does not support FSName")
}
t.Parallel()
var name = "FuseTest" + evil + "Marker"
mnt, err := fstestutil.MountedT(t, fstestutil.SimpleFS{fstestutil.Dir{}}, nil,
fuse.FSName(name),
)
if err != nil {
t.Fatal(err)
}
defer mnt.Close()
info, err := fstestutil.GetMountInfo(mnt.Dir)
if err != nil {
t.Fatal(err)
}
if g, e := info.FSName, name; g != e {
t.Errorf("wrong FSName: %q != %q", g, e)
}
}
func TestMountOptionFSNameEvilComma(t *testing.T) {
if runtime.GOOS == "darwin" {
// see TestMountOptionCommaError for a test that enforces we
// at least give a nice error, instead of corrupting the mount
// options
t.Skip("TODO: OS X gets this wrong, commas in mount options cannot be escaped at all")
}
testMountOptionFSNameEvil(t, ",")
}
func TestMountOptionFSNameEvilSpace(t *testing.T) {
testMountOptionFSNameEvil(t, " ")
}
func TestMountOptionFSNameEvilTab(t *testing.T) {
testMountOptionFSNameEvil(t, "\t")
}
func TestMountOptionFSNameEvilNewline(t *testing.T) {
testMountOptionFSNameEvil(t, "\n")
}
func TestMountOptionFSNameEvilBackslash(t *testing.T) {
testMountOptionFSNameEvil(t, `\`)
}
func TestMountOptionFSNameEvilBackslashDouble(t *testing.T) {
// catch double-unescaping, if it were to happen
testMountOptionFSNameEvil(t, `\\`)
}
func TestMountOptionSubtype(t *testing.T) {
if runtime.GOOS == "darwin" {
t.Skip("OS X does not support Subtype")
}
if runtime.GOOS == "freebsd" {
t.Skip("FreeBSD does not support Subtype")
}
t.Parallel()
const name = "FuseTestMarker"
mnt, err := fstestutil.MountedT(t, fstestutil.SimpleFS{fstestutil.Dir{}}, nil,
fuse.Subtype(name),
)
if err != nil {
t.Fatal(err)
}
defer mnt.Close()
info, err := fstestutil.GetMountInfo(mnt.Dir)
if err != nil {
t.Fatal(err)
}
if g, e := info.Type, "fuse."+name; g != e {
t.Errorf("wrong Subtype: %q != %q", g, e)
}
}
// TODO test LocalVolume
// TODO test AllowOther; hard because needs system-level authorization
func TestMountOptionAllowOtherThenAllowRoot(t *testing.T) {
t.Parallel()
mnt, err := fstestutil.MountedT(t, fstestutil.SimpleFS{fstestutil.Dir{}}, nil,
fuse.AllowOther(),
fuse.AllowRoot(),
)
if err == nil {
mnt.Close()
}
if g, e := err, fuse.ErrCannotCombineAllowOtherAndAllowRoot; g != e {
t.Fatalf("wrong error: %v != %v", g, e)
}
}
// TODO test AllowRoot; hard because needs system-level authorization
func TestMountOptionAllowRootThenAllowOther(t *testing.T) {
t.Parallel()
mnt, err := fstestutil.MountedT(t, fstestutil.SimpleFS{fstestutil.Dir{}}, nil,
fuse.AllowRoot(),
fuse.AllowOther(),
)
if err == nil {
mnt.Close()
}
if g, e := err, fuse.ErrCannotCombineAllowOtherAndAllowRoot; g != e {
t.Fatalf("wrong error: %v != %v", g, e)
}
}
type unwritableFile struct{}
func (f unwritableFile) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = 0000
return nil
}
func TestMountOptionDefaultPermissions(t *testing.T) {
if runtime.GOOS == "freebsd" {
t.Skip("FreeBSD does not support DefaultPermissions")
}
t.Parallel()
mnt, err := fstestutil.MountedT(t,
fstestutil.SimpleFS{
&fstestutil.ChildMap{"child": unwritableFile{}},
},
nil,
fuse.DefaultPermissions(),
)
if err != nil {
t.Fatal(err)
}
defer mnt.Close()
// This will be prevented by kernel-level access checking when
// DefaultPermissions is used.
f, err := os.OpenFile(mnt.Dir+"/child", os.O_WRONLY, 0000)
if err == nil {
f.Close()
t.Fatal("expected an error")
}
if !os.IsPermission(err) {
t.Fatalf("expected a permission error, got %T: %v", err, err)
}
}
type createrDir struct {
fstestutil.Dir
}
var _ fs.NodeCreater = createrDir{}
func (createrDir) Create(ctx context.Context, req *fuse.CreateRequest, resp *fuse.CreateResponse) (fs.Node, fs.Handle, error) {
// pick a really distinct error, to identify it later
return nil, nil, fuse.Errno(syscall.ENAMETOOLONG)
}
func TestMountOptionReadOnly(t *testing.T) {
t.Parallel()
mnt, err := fstestutil.MountedT(t,
fstestutil.SimpleFS{createrDir{}},
nil,
fuse.ReadOnly(),
)
if err != nil {
t.Fatal(err)
}
defer mnt.Close()
// This will be prevented by kernel-level access checking when
// ReadOnly is used.
f, err := os.Create(mnt.Dir + "/child")
if err == nil {
f.Close()
t.Fatal("expected an error")
}
perr, ok := err.(*os.PathError)
if !ok {
t.Fatalf("expected PathError, got %T: %v", err, err)
}
if perr.Err != syscall.EROFS {
t.Fatalf("expected EROFS, got %T: %v", err, err)
}
}

75
vendor/bazil.org/fuse/protocol.go generated vendored Normal file
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@ -0,0 +1,75 @@
package fuse
import (
"fmt"
)
// Protocol is a FUSE protocol version number.
type Protocol struct {
Major uint32
Minor uint32
}
func (p Protocol) String() string {
return fmt.Sprintf("%d.%d", p.Major, p.Minor)
}
// LT returns whether a is less than b.
func (a Protocol) LT(b Protocol) bool {
return a.Major < b.Major ||
(a.Major == b.Major && a.Minor < b.Minor)
}
// GE returns whether a is greater than or equal to b.
func (a Protocol) GE(b Protocol) bool {
return a.Major > b.Major ||
(a.Major == b.Major && a.Minor >= b.Minor)
}
func (a Protocol) is79() bool {
return a.GE(Protocol{7, 9})
}
// HasAttrBlockSize returns whether Attr.BlockSize is respected by the
// kernel.
func (a Protocol) HasAttrBlockSize() bool {
return a.is79()
}
// HasReadWriteFlags returns whether ReadRequest/WriteRequest
// fields Flags and FileFlags are valid.
func (a Protocol) HasReadWriteFlags() bool {
return a.is79()
}
// HasGetattrFlags returns whether GetattrRequest field Flags is
// valid.
func (a Protocol) HasGetattrFlags() bool {
return a.is79()
}
func (a Protocol) is710() bool {
return a.GE(Protocol{7, 10})
}
// HasOpenNonSeekable returns whether OpenResponse field Flags flag
// OpenNonSeekable is supported.
func (a Protocol) HasOpenNonSeekable() bool {
return a.is710()
}
func (a Protocol) is712() bool {
return a.GE(Protocol{7, 12})
}
// HasUmask returns whether CreateRequest/MkdirRequest/MknodRequest
// field Umask is valid.
func (a Protocol) HasUmask() bool {
return a.is712()
}
// HasInvalidate returns whether InvalidateNode/InvalidateEntry are
// supported.
func (a Protocol) HasInvalidate() bool {
return a.is712()
}

13
vendor/bazil.org/fuse/syscallx/doc.go generated vendored Normal file
View file

@ -0,0 +1,13 @@
// Package syscallx provides wrappers that make syscalls on various
// platforms more interoperable.
//
// The API intentionally omits the OS X-specific position and option
// arguments for extended attribute calls.
//
// Not having position means it might not be useful for accessing the
// resource fork. If that's needed by code inside fuse, a function
// with a different name may be added on the side.
//
// Options can be implemented with separate wrappers, in the style of
// Linux getxattr/lgetxattr/fgetxattr.
package syscallx // import "bazil.org/fuse/syscallx"

34
vendor/bazil.org/fuse/syscallx/generate generated vendored Executable file
View file

@ -0,0 +1,34 @@
#!/bin/sh
set -e
mksys="$(go env GOROOT)/src/pkg/syscall/mksyscall.pl"
fix() {
sed 's,^package syscall$,&x\nimport "syscall",' \
| gofmt -r='BytePtrFromString -> syscall.BytePtrFromString' \
| gofmt -r='Syscall6 -> syscall.Syscall6' \
| gofmt -r='Syscall -> syscall.Syscall' \
| gofmt -r='SYS_GETXATTR -> syscall.SYS_GETXATTR' \
| gofmt -r='SYS_LISTXATTR -> syscall.SYS_LISTXATTR' \
| gofmt -r='SYS_SETXATTR -> syscall.SYS_SETXATTR' \
| gofmt -r='SYS_REMOVEXATTR -> syscall.SYS_REMOVEXATTR' \
| gofmt -r='SYS_MSYNC -> syscall.SYS_MSYNC'
}
cd "$(dirname "$0")"
$mksys xattr_darwin.go \
| fix \
>xattr_darwin_amd64.go
$mksys -l32 xattr_darwin.go \
| fix \
>xattr_darwin_386.go
$mksys msync.go \
| fix \
>msync_amd64.go
$mksys -l32 msync.go \
| fix \
>msync_386.go

9
vendor/bazil.org/fuse/syscallx/msync.go generated vendored Normal file
View file

@ -0,0 +1,9 @@
package syscallx
/* This is the source file for msync_*.go, to regenerate run
./generate
*/
//sys Msync(b []byte, flags int) (err error)

24
vendor/bazil.org/fuse/syscallx/msync_386.go generated vendored Normal file
View file

@ -0,0 +1,24 @@
// mksyscall.pl -l32 msync.go
// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
package syscallx
import "syscall"
import "unsafe"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Msync(b []byte, flags int) (err error) {
var _p0 unsafe.Pointer
if len(b) > 0 {
_p0 = unsafe.Pointer(&b[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
_, _, e1 := syscall.Syscall(syscall.SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
if e1 != 0 {
err = e1
}
return
}

24
vendor/bazil.org/fuse/syscallx/msync_amd64.go generated vendored Normal file
View file

@ -0,0 +1,24 @@
// mksyscall.pl msync.go
// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
package syscallx
import "syscall"
import "unsafe"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Msync(b []byte, flags int) (err error) {
var _p0 unsafe.Pointer
if len(b) > 0 {
_p0 = unsafe.Pointer(&b[0])
} else {
_p0 = unsafe.Pointer(&_zero)
}
_, _, e1 := syscall.Syscall(syscall.SYS_MSYNC, uintptr(_p0), uintptr(len(b)), uintptr(flags))
if e1 != 0 {
err = e1
}
return
}

4
vendor/bazil.org/fuse/syscallx/syscallx.go generated vendored Normal file
View file

@ -0,0 +1,4 @@
package syscallx
// make us look more like package syscall, so mksyscall.pl output works
var _zero uintptr

26
vendor/bazil.org/fuse/syscallx/syscallx_std.go generated vendored Normal file
View file

@ -0,0 +1,26 @@
// +build !darwin
package syscallx
// This file just contains wrappers for platforms that already have
// the right stuff in golang.org/x/sys/unix.
import (
"golang.org/x/sys/unix"
)
func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
return unix.Getxattr(path, attr, dest)
}
func Listxattr(path string, dest []byte) (sz int, err error) {
return unix.Listxattr(path, dest)
}
func Setxattr(path string, attr string, data []byte, flags int) (err error) {
return unix.Setxattr(path, attr, data, flags)
}
func Removexattr(path string, attr string) (err error) {
return unix.Removexattr(path, attr)
}

38
vendor/bazil.org/fuse/syscallx/xattr_darwin.go generated vendored Normal file
View file

@ -0,0 +1,38 @@
package syscallx
/* This is the source file for syscallx_darwin_*.go, to regenerate run
./generate
*/
// cannot use dest []byte here because OS X getxattr really wants a
// NULL to trigger size probing, size==0 is not enough
//
//sys getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error)
func Getxattr(path string, attr string, dest []byte) (sz int, err error) {
var destp *byte
if len(dest) > 0 {
destp = &dest[0]
}
return getxattr(path, attr, destp, len(dest), 0, 0)
}
//sys listxattr(path string, dest []byte, options int) (sz int, err error)
func Listxattr(path string, dest []byte) (sz int, err error) {
return listxattr(path, dest, 0)
}
//sys setxattr(path string, attr string, data []byte, position uint32, flags int) (err error)
func Setxattr(path string, attr string, data []byte, flags int) (err error) {
return setxattr(path, attr, data, 0, flags)
}
//sys removexattr(path string, attr string, options int) (err error)
func Removexattr(path string, attr string) (err error) {
return removexattr(path, attr, 0)
}

97
vendor/bazil.org/fuse/syscallx/xattr_darwin_386.go generated vendored Normal file
View file

@ -0,0 +1,97 @@
// mksyscall.pl -l32 xattr_darwin.go
// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
package syscallx
import "syscall"
import "unsafe"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
var _p0 *byte
_p0, err = syscall.BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = syscall.BytePtrFromString(attr)
if err != nil {
return
}
r0, _, e1 := syscall.Syscall6(syscall.SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func listxattr(path string, dest []byte, options int) (sz int, err error) {
var _p0 *byte
_p0, err = syscall.BytePtrFromString(path)
if err != nil {
return
}
var _p1 unsafe.Pointer
if len(dest) > 0 {
_p1 = unsafe.Pointer(&dest[0])
} else {
_p1 = unsafe.Pointer(&_zero)
}
r0, _, e1 := syscall.Syscall6(syscall.SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(options), 0, 0)
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func setxattr(path string, attr string, data []byte, position uint32, flags int) (err error) {
var _p0 *byte
_p0, err = syscall.BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = syscall.BytePtrFromString(attr)
if err != nil {
return
}
var _p2 unsafe.Pointer
if len(data) > 0 {
_p2 = unsafe.Pointer(&data[0])
} else {
_p2 = unsafe.Pointer(&_zero)
}
_, _, e1 := syscall.Syscall6(syscall.SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(position), uintptr(flags))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func removexattr(path string, attr string, options int) (err error) {
var _p0 *byte
_p0, err = syscall.BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = syscall.BytePtrFromString(attr)
if err != nil {
return
}
_, _, e1 := syscall.Syscall(syscall.SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
if e1 != 0 {
err = e1
}
return
}

97
vendor/bazil.org/fuse/syscallx/xattr_darwin_amd64.go generated vendored Normal file
View file

@ -0,0 +1,97 @@
// mksyscall.pl xattr_darwin.go
// MACHINE GENERATED BY THE COMMAND ABOVE; DO NOT EDIT
package syscallx
import "syscall"
import "unsafe"
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) {
var _p0 *byte
_p0, err = syscall.BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = syscall.BytePtrFromString(attr)
if err != nil {
return
}
r0, _, e1 := syscall.Syscall6(syscall.SYS_GETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(unsafe.Pointer(dest)), uintptr(size), uintptr(position), uintptr(options))
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func listxattr(path string, dest []byte, options int) (sz int, err error) {
var _p0 *byte
_p0, err = syscall.BytePtrFromString(path)
if err != nil {
return
}
var _p1 unsafe.Pointer
if len(dest) > 0 {
_p1 = unsafe.Pointer(&dest[0])
} else {
_p1 = unsafe.Pointer(&_zero)
}
r0, _, e1 := syscall.Syscall6(syscall.SYS_LISTXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(_p1), uintptr(len(dest)), uintptr(options), 0, 0)
sz = int(r0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func setxattr(path string, attr string, data []byte, position uint32, flags int) (err error) {
var _p0 *byte
_p0, err = syscall.BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = syscall.BytePtrFromString(attr)
if err != nil {
return
}
var _p2 unsafe.Pointer
if len(data) > 0 {
_p2 = unsafe.Pointer(&data[0])
} else {
_p2 = unsafe.Pointer(&_zero)
}
_, _, e1 := syscall.Syscall6(syscall.SYS_SETXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(_p2), uintptr(len(data)), uintptr(position), uintptr(flags))
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func removexattr(path string, attr string, options int) (err error) {
var _p0 *byte
_p0, err = syscall.BytePtrFromString(path)
if err != nil {
return
}
var _p1 *byte
_p1, err = syscall.BytePtrFromString(attr)
if err != nil {
return
}
_, _, e1 := syscall.Syscall(syscall.SYS_REMOVEXATTR, uintptr(unsafe.Pointer(_p0)), uintptr(unsafe.Pointer(_p1)), uintptr(options))
if e1 != 0 {
err = e1
}
return
}

6
vendor/bazil.org/fuse/unmount.go generated vendored Normal file
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@ -0,0 +1,6 @@
package fuse
// Unmount tries to unmount the filesystem mounted at dir.
func Unmount(dir string) error {
return unmount(dir)
}

21
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package fuse
import (
"bytes"
"errors"
"os/exec"
)
func unmount(dir string) error {
cmd := exec.Command("fusermount", "-u", dir)
output, err := cmd.CombinedOutput()
if err != nil {
if len(output) > 0 {
output = bytes.TrimRight(output, "\n")
msg := err.Error() + ": " + string(output)
err = errors.New(msg)
}
return err
}
return nil
}

17
vendor/bazil.org/fuse/unmount_std.go generated vendored Normal file
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// +build !linux
package fuse
import (
"os"
"syscall"
)
func unmount(dir string) error {
err := syscall.Unmount(dir, 0)
if err != nil {
err = &os.PathError{Op: "unmount", Path: dir, Err: err}
return err
}
return nil
}

26
vendor/github.com/elithrar/simple-scrypt/.gitignore generated vendored Normal file
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# Compiled Object files, Static and Dynamic libs (Shared Objects)
*.o
*.a
*.so
# Folders
_obj
_test
# Architecture specific extensions/prefixes
*.[568vq]
[568vq].out
*.cgo1.go
*.cgo2.c
_cgo_defun.c
_cgo_gotypes.go
_cgo_export.*
_testmain.go
*.exe
*.test
*.prof
*.DS_Store

15
vendor/github.com/elithrar/simple-scrypt/.travis.yml generated vendored Normal file
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@ -0,0 +1,15 @@
language: go
sudo: false
go:
- 1.2
- 1.3
- 1.4
- 1.5
- tip
install:
- go get golang.org/x/tools/cmd/vet
script:
- go get -t -v ./...
- diff -u <(echo -n) <(gofmt -d -s .)
- go tool vet .
- go test -v ./...

22
vendor/github.com/elithrar/simple-scrypt/LICENSE generated vendored Normal file
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@ -0,0 +1,22 @@
The MIT License (MIT)
Copyright (c) 2015 Matthew Silverlock (matt@eatsleeprepeat.net)
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# simple-scrypt
[![GoDoc](https://godoc.org/github.com/elithrar/simple-scrypt?status.svg)](https://godoc.org/github.com/elithrar/simple-scrypt) [![Build Status](https://travis-ci.org/elithrar/simple-scrypt.svg?branch=master)](https://travis-ci.org/elithrar/simple-scrypt)
simple-scrypt provides a convenience wrapper around Go's existing
[scrypt](http://golang.org/x/crypto/scrypt) package that makes it easier to
securely derive strong keys ("hash user passwords"). This library allows you to:
* Generate a scrypt derived key with a crytographically secure salt and sane
default parameters for N, r and p.
* Upgrade the parameters used to generate keys as hardware improves by storing
them with the derived key (the scrypt spec. doesn't allow for this by
default).
* Provide your own parameters (if you wish to).
The API closely mirrors Go's [bcrypt](https://golang.org/x/crypto/bcrypt)
library in an effort to make it easy to migrate—and because it's an easy to grok
API.
## Example
simple-scrypt doesn't try to re-invent the wheel or do anything "special". It
wraps the `scrypt.Key` function as thinly as possible, generates a
crytographically secure salt for you using Go's `crypto/rand` package, and
returns the derived key with the parameters prepended:
```go
package main
import(
"fmt"
"log"
"github.com/elithrar/simple-scrypt"
)
func main() {
// e.g. r.PostFormValue("password")
passwordFromForm := "prew8fid9hick6c"
// Generates a derived key of the form "N$r$p$salt$dk" where N, r and p are defined as per
// Colin Percival's scrypt paper: http://www.tarsnap.com/scrypt/scrypt.pdf
// scrypt.Defaults (N=16384, r=8, p=1) makes it easy to provide these parameters, and
// (should you wish) provide your own values via the scrypt.Params type.
hash, err := scrypt.GenerateFromPassword([]byte(passwordFromForm), scrypt.DefaultParams)
if err != nil {
log.Fatal(err)
}
// Print the derived key with its parameters prepended.
fmt.Printf("%s\n", hash)
// Uses the parameters from the existing derived key. Return an error if they don't match.
err := scrypt.CompareHashAndPassword(hash, []byte(passwordFromForm))
if err != nil {
log.Fatal(err)
}
}
```
## Upgrading Parameters
Upgrading derived keys from a set of parameters to a "stronger" set of parameters
as hardware improves, or as you scale (and move your auth process to separate
hardware), can be pretty useful. Here's how to do it with simple-scrypt:
```go
func main() {
// SCENE: We've successfully authenticated a user, compared their submitted
// (cleartext) password against the derived key stored in our database, and
// now want to upgrade the parameters (more rounds, more parallelism) to
// reflect some shiny new hardware we just purchased. As the user is logging
// in, we can retrieve the parameters used to generate their key, and if
// they don't match our "new" parameters, we can re-generate the key while
// we still have the cleartext password in memory
// (e.g. before the HTTP request ends).
current, err := scrypt.Cost(hash)
if err != nil {
log.Fatal(err)
}
// Now to check them against our own Params struct (e.g. using reflect.DeepEquals)
// and determine whether we want to generate a new key with our "upgraded" parameters.
slower := scrypt.Params{
N: 32768,
R: 8,
P: 2,
SaltLen: 16,
DKLen: 32,
}
if !reflect.DeepEqual(current, slower) {
// Re-generate the key with the slower parameters
// here using scrypt.GenerateFromPassword
}
}
```
## TO-DO:
The following features are planned. PRs are welcome.
- [x] Tag a release build.
- [x] Automatically calculate "optimal" values for N, r, p similar [to the Ruby scrypt library](https://github.com/pbhogan/scrypt/blob/master/lib/scrypt.rb#L97-L146)
e.g. `func Calibrate(duration int, mem int, fallback Params) (Params, error)`
- contributed thanks to @tgulacsi.
## License
MIT Licensed. See LICENSE file for details.

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// Package scrypt provides a convenience wrapper around Go's existing scrypt package
// that makes it easier to securely derive strong keys from weak
// inputs (i.e. user passwords).
// The package provides password generation, constant-time comparison and
// parameter upgrading for scrypt derived keys.
package scrypt
import (
"crypto/rand"
"crypto/subtle"
"encoding/hex"
"errors"
"fmt"
"strconv"
"strings"
"time"
"golang.org/x/crypto/scrypt"
)
// Constants
const (
maxInt = 1<<31 - 1
minDKLen = 16 // the minimum derived key length in bytes.
minSaltLen = 8 // the minimum allowed salt length in bytes.
)
// Params describes the input parameters to the scrypt
// key derivation function as per Colin Percival's scrypt
// paper: http://www.tarsnap.com/scrypt/scrypt.pdf
type Params struct {
N int // CPU/memory cost parameter (logN)
R int // block size parameter (octets)
P int // parallelisation parameter (positive int)
SaltLen int // bytes to use as salt (octets)
DKLen int // length of the derived key (octets)
}
// DefaultParams provides sensible default inputs into the scrypt function
// for interactive use (i.e. web applications).
// These defaults will consume approxmiately 16MB of memory (128 * r * N).
// The default key length is 256 bits.
var DefaultParams = Params{N: 16384, R: 8, P: 1, SaltLen: 16, DKLen: 32}
// ErrInvalidHash is returned when failing to parse a provided scrypt
// hash and/or parameters.
var ErrInvalidHash = errors.New("scrypt: the provided hash is not in the correct format")
// ErrInvalidParams is returned when the cost parameters (N, r, p), salt length
// or derived key length are invalid.
var ErrInvalidParams = errors.New("scrypt: the parameters provided are invalid")
// ErrMismatchedHashAndPassword is returned when a password (hashed) and
// given hash do not match.
var ErrMismatchedHashAndPassword = errors.New("scrypt: the hashed password does not match the hash of the given password")
// GenerateRandomBytes returns securely generated random bytes.
// It will return an error if the system's secure random
// number generator fails to function correctly, in which
// case the caller should not continue.
func GenerateRandomBytes(n int) ([]byte, error) {
b := make([]byte, n)
_, err := rand.Read(b)
// err == nil only if len(b) == n
if err != nil {
return nil, err
}
return b, nil
}
// GenerateFromPassword returns the derived key of the password using the
// parameters provided. The parameters are prepended to the derived key and
// separated by the "$" character (0x24).
// If the parameters provided are less than the minimum acceptable values,
// an error will be returned.
func GenerateFromPassword(password []byte, params Params) ([]byte, error) {
salt, err := GenerateRandomBytes(params.SaltLen)
if err != nil {
return nil, err
}
if err := params.Check(); err != nil {
return nil, err
}
// scrypt.Key returns the raw scrypt derived key.
dk, err := scrypt.Key(password, salt, params.N, params.R, params.P, params.DKLen)
if err != nil {
return nil, err
}
// Prepend the params and the salt to the derived key, each separated
// by a "$" character. The salt and the derived key are hex encoded.
return []byte(fmt.Sprintf("%d$%d$%d$%x$%x", params.N, params.R, params.P, salt, dk)), nil
}
// CompareHashAndPassword compares a derived key with the possible cleartext
// equivalent. The parameters used in the provided derived key are used.
// The comparison performed by this function is constant-time. It returns nil
// on success, and an error if the derived keys do not match.
func CompareHashAndPassword(hash []byte, password []byte) error {
// Decode existing hash, retrieve params and salt.
params, salt, dk, err := decodeHash(hash)
if err != nil {
return err
}
// scrypt the cleartext password with the same parameters and salt
other, err := scrypt.Key(password, salt, params.N, params.R, params.P, params.DKLen)
if err != nil {
return err
}
// Constant time comparison
if subtle.ConstantTimeCompare(dk, other) == 1 {
return nil
}
return ErrMismatchedHashAndPassword
}
// Check checks that the parameters are valid for input into the
// scrypt key derivation function.
func (p *Params) Check() error {
// Validate N
if p.N > maxInt || p.N <= 1 || p.N%2 != 0 {
return ErrInvalidParams
}
// Validate r
if p.R < 1 || p.R > maxInt {
return ErrInvalidParams
}
// Validate p
if p.P < 1 || p.P > maxInt {
return ErrInvalidParams
}
// Validate that r & p don't exceed 2^30 and that N, r, p values don't
// exceed the limits defined by the scrypt algorithm.
if uint64(p.R)*uint64(p.P) >= 1<<30 || p.R > maxInt/128/p.P || p.R > maxInt/256 || p.N > maxInt/128/p.R {
return ErrInvalidParams
}
// Validate the salt length
if p.SaltLen < minSaltLen || p.SaltLen > maxInt {
return ErrInvalidParams
}
// Validate the derived key length
if p.DKLen < minDKLen || p.DKLen > maxInt {
return ErrInvalidParams
}
return nil
}
// decodeHash extracts the parameters, salt and derived key from the
// provided hash. It returns an error if the hash format is invalid and/or
// the parameters are invalid.
func decodeHash(hash []byte) (Params, []byte, []byte, error) {
vals := strings.Split(string(hash), "$")
// P, N, R, salt, scrypt derived key
if len(vals) != 5 {
return Params{}, nil, nil, ErrInvalidHash
}
var params Params
var err error
params.N, err = strconv.Atoi(vals[0])
if err != nil {
return params, nil, nil, ErrInvalidHash
}
params.R, err = strconv.Atoi(vals[1])
if err != nil {
return params, nil, nil, ErrInvalidHash
}
params.P, err = strconv.Atoi(vals[2])
if err != nil {
return params, nil, nil, ErrInvalidHash
}
salt, err := hex.DecodeString(vals[3])
if err != nil {
return params, nil, nil, ErrInvalidHash
}
params.SaltLen = len(salt)
dk, err := hex.DecodeString(vals[4])
if err != nil {
return params, nil, nil, ErrInvalidHash
}
params.DKLen = len(dk)
if err := params.Check(); err != nil {
return params, nil, nil, err
}
return params, salt, dk, nil
}
// Cost returns the scrypt parameters used to generate the derived key. This
// allows a package user to increase the cost (in time & resources) used as
// computational performance increases over time.
func Cost(hash []byte) (Params, error) {
params, _, _, err := decodeHash(hash)
return params, err
}
// Calibrate returns the hardest parameters (not weaker than the given params),
// allowed by the given limits.
// The returned params will not use more memory than the given (MiB);
// will not take more time than the given timeout, but more than timeout/2.
//
//
// The default timeout (when the timeout arg is zero) is 200ms.
// The default memMiBytes (when memMiBytes is zero) is 16MiB.
// The default parameters (when params == Params{}) is DefaultParams.
func Calibrate(timeout time.Duration, memMiBytes int, params Params) (Params, error) {
p := params
if p.N == 0 || p.R == 0 || p.P == 0 || p.SaltLen == 0 || p.DKLen == 0 {
p = DefaultParams
} else if err := p.Check(); err != nil {
return p, err
}
if timeout == 0 {
timeout = 200 * time.Millisecond
}
if memMiBytes == 0 {
memMiBytes = 16
}
salt, err := GenerateRandomBytes(p.SaltLen)
if err != nil {
return p, err
}
password := []byte("weakpassword")
// First, we calculate the minimal required time.
start := time.Now()
if _, err := scrypt.Key(password, salt, p.N, p.R, p.P, p.DKLen); err != nil {
return p, err
}
dur := time.Since(start)
for dur < timeout && p.N < maxInt>>1 {
p.N <<= 1
}
// Memory usage is at least 128 * r * N, see
// http://blog.ircmaxell.com/2014/03/why-i-dont-recommend-scrypt.html
// or https://drupal.org/comment/4675994#comment-4675994
var again bool
memBytes := memMiBytes << 20
// If we'd use more memory then the allowed, we can tune the memory usage
for 128*p.R*p.N > memBytes {
if p.R > 1 {
// by lowering r
p.R--
} else if p.N > 16 {
again = true
p.N >>= 1
} else {
break
}
}
if !again {
return p, p.Check()
}
// We have to compensate the lowering of N, by increasing p.
for i := 0; i < 10 && p.P > 0; i++ {
start := time.Now()
if _, err := scrypt.Key(password, salt, p.N, p.R, p.P, p.DKLen); err != nil {
return p, err
}
dur := time.Since(start)
if dur < timeout/2 {
p.P = int(float64(p.P)*float64(timeout/dur) + 1)
} else if dur > timeout && p.P > 1 {
p.P--
} else {
break
}
}
return p, p.Check()
}

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vendor/github.com/elithrar/simple-scrypt/scrypt_test.go generated vendored Normal file
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package scrypt
import (
"fmt"
"reflect"
"testing"
"time"
)
// Test cases
var (
testLengths = []int{1, 8, 16, 32, 100, 500, 2500}
password = "super-secret-password"
)
var testParams = []struct {
pass bool
params Params
}{
{true, Params{16384, 8, 1, 32, 64}},
{true, Params{16384, 8, 1, 16, 32}},
{true, Params{65536, 8, 1, 16, 64}},
{true, Params{1048576, 8, 2, 64, 128}},
{false, Params{-1, 8, 1, 16, 32}}, // invalid N
{false, Params{0, 8, 1, 16, 32}}, // invalid N
{false, Params{1 << 31, 8, 1, 16, 32}}, // invalid N
{false, Params{16384, 0, 12, 16, 32}}, // invalid R
{false, Params{16384, 8, 0, 16, 32}}, // invalid R > maxInt/128/P
{false, Params{16384, 1 << 24, 1, 16, 32}}, // invalid R > maxInt/256
{false, Params{1 << 31, 8, 0, 16, 32}}, // invalid p < 0
{false, Params{4096, 8, 1, 5, 32}}, // invalid SaltLen
{false, Params{4096, 8, 1, 16, 2}}, // invalid DKLen
}
var testHashes = []struct {
pass bool
hash string
}{
{false, "1$8$1$9003d0e8e69482843e6bd560c2c9cd94$1976f233124e0ee32bb2678eb1b0ed668eb66cff6fa43279d1e33f6e81af893b"}, // N too small
{false, "$9003d0e8e69482843e6bd560c2c9cd94$1976f233124e0ee32bb2678eb1b0ed668eb66cff6fa43279d1e33f6e81af893b"}, // too short
{false, "16384#8#1#18fbc325efa37402d27c3c2172900cbf$d4e5e1b9eedc1a6a14aad6624ab57b7b42ae75b9c9845fde32de765835f2aaf9"}, // incorrect separators
{false, "16384$nogood$1$18fbc325efa37402d27c3c2172900cbf$d4e5e1b9eedc1a6a14aad6624ab57b7b42ae75b9c9845fde32de765835f2aaf9"}, // invalid R
{false, "16384$8$abc1$18fbc325efa37402d27c3c2172900cbf$d4e5e1b9eedc1a6a14aad6624ab57b7b42ae75b9c9845fde32de765835f2aaf9"}, // invalid P
{false, "16384$8$1$Tk9QRQ==$d4e5e1b9eedc1a6a14aad6624ab57b7b42ae75b9c9845fde32de765835f2aaf9"}, // invalid salt (not hex)
{false, "16384$8$1$18fbc325efa37402d27c3c2172900cbf$42ae====/75b9c9845fde32de765835f2aaf9"}, // invalid dk (not hex)
}
func TestGenerateRandomBytes(t *testing.T) {
for _, v := range testLengths {
_, err := GenerateRandomBytes(v)
if err != nil {
t.Fatalf("failed to generate random bytes")
}
}
}
func TestGenerateFromPassword(t *testing.T) {
for _, v := range testParams {
_, err := GenerateFromPassword([]byte(password), v.params)
if err != nil && v.pass == true {
t.Fatalf("no error was returned when expected for params: %+v", v.params)
}
}
}
func TestCompareHashAndPassword(t *testing.T) {
hash, err := GenerateFromPassword([]byte(password), DefaultParams)
if err != nil {
t.Fatal(err)
}
if err := CompareHashAndPassword(hash, []byte(password)); err != nil {
t.Fatal(err)
}
if err := CompareHashAndPassword(hash, []byte("invalid-password")); err == nil {
t.Fatalf("mismatched passwords did not produce an error")
}
invalidHash := []byte("$166$$11$a2ad56a415af5")
if err := CompareHashAndPassword(invalidHash, []byte(password)); err == nil {
t.Fatalf("did not identify an invalid hash")
}
}
func TestCost(t *testing.T) {
hash, err := GenerateFromPassword([]byte(password), DefaultParams)
if err != nil {
t.Fatal(err)
}
params, err := Cost(hash)
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(params, DefaultParams) {
t.Fatal("cost mismatch: parameters used did not match those retrieved")
}
}
func TestDecodeHash(t *testing.T) {
for _, v := range testHashes {
_, err := Cost([]byte(v.hash))
if err == nil && v.pass == false {
t.Fatal("invalid hash: did not correctly detect invalid password hash")
}
}
}
func TestCalibrate(t *testing.T) {
timeout := 500 * time.Millisecond
for testNum, tc := range []struct {
MemMiB int
}{
{64},
{32},
{16},
{8},
{1},
} {
var (
p Params
err error
)
p, err = Calibrate(timeout, tc.MemMiB, p)
if err != nil {
t.Fatalf("%d. %#v: %v", testNum, p, err)
}
if (128*p.R*p.N)>>20 > tc.MemMiB {
t.Errorf("%d. wanted memory limit %d, got %d.", testNum, tc.MemMiB, (128*p.R*p.N)>>20)
}
start := time.Now()
_, err = GenerateFromPassword([]byte(password), p)
dur := time.Since(start)
t.Logf("GenerateFromPassword with %#v took %s (%v)", p, dur, err)
if err != nil {
t.Fatalf("%d. GenerateFromPassword with %#v: %v", testNum, p, err)
}
if dur < timeout/2 {
t.Errorf("%d. GenerateFromPassword was too fast (wanted around %s, got %s) with %#v.", testNum, timeout, dur, p)
} else if timeout*2 < dur {
t.Errorf("%d. GenerateFromPassword took too long (wanted around %s, got %s) with %#v.", testNum, timeout, dur, p)
}
}
}
func ExampleCalibrate() {
p, err := Calibrate(1*time.Second, 128, Params{})
if err != nil {
panic(err)
}
dk, err := GenerateFromPassword([]byte("super-secret-password"), p)
fmt.Printf("generated password is %q (%v)", dk, err)
}

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testdata/conf_out.ini
ini.sublime-project
ini.sublime-workspace
testdata/conf_reflect.ini
.idea

14
vendor/github.com/go-ini/ini/.travis.yml generated vendored Normal file
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sudo: false
language: go
go:
- 1.4
- 1.5
- 1.6
- 1.7
- 1.8
- master
script:
- go get golang.org/x/tools/cmd/cover
- go get github.com/smartystreets/goconvey
- go test -v -cover -race

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and
distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright
owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities
that control, are controlled by, or are under common control with that entity.
For the purposes of this definition, "control" means (i) the power, direct or
indirect, to cause the direction or management of such entity, whether by
contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising
permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including
but not limited to software source code, documentation source, and configuration
files.
"Object" form shall mean any form resulting from mechanical transformation or
translation of a Source form, including but not limited to compiled object code,
generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made
available under the License, as indicated by a copyright notice that is included
in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that
is based on (or derived from) the Work and for which the editorial revisions,
annotations, elaborations, or other modifications represent, as a whole, an
original work of authorship. For the purposes of this License, Derivative Works
shall not include works that remain separable from, or merely link (or bind by
name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version
of the Work and any modifications or additions to that Work or Derivative Works
thereof, that is intentionally submitted to Licensor for inclusion in the Work
by the copyright owner or by an individual or Legal Entity authorized to submit
on behalf of the copyright owner. For the purposes of this definition,
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12
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.PHONY: build test bench vet
build: vet bench
test:
go test -v -cover -race
bench:
go test -v -cover -race -test.bench=. -test.benchmem
vet:
go vet

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INI [![Build Status](https://travis-ci.org/go-ini/ini.svg?branch=master)](https://travis-ci.org/go-ini/ini) [![Sourcegraph](https://sourcegraph.com/github.com/go-ini/ini/-/badge.svg)](https://sourcegraph.com/github.com/go-ini/ini?badge)
===
![](https://avatars0.githubusercontent.com/u/10216035?v=3&s=200)
Package ini provides INI file read and write functionality in Go.
[简体中文](README_ZH.md)
## Feature
- Load multiple data sources(`[]byte`, file and `io.ReadCloser`) with overwrites.
- Read with recursion values.
- Read with parent-child sections.
- Read with auto-increment key names.
- Read with multiple-line values.
- Read with tons of helper methods.
- Read and convert values to Go types.
- Read and **WRITE** comments of sections and keys.
- Manipulate sections, keys and comments with ease.
- Keep sections and keys in order as you parse and save.
## Installation
To use a tagged revision:
go get gopkg.in/ini.v1
To use with latest changes:
go get github.com/go-ini/ini
Please add `-u` flag to update in the future.
### Testing
If you want to test on your machine, please apply `-t` flag:
go get -t gopkg.in/ini.v1
Please add `-u` flag to update in the future.
## Getting Started
### Loading from data sources
A **Data Source** is either raw data in type `[]byte`, a file name with type `string` or `io.ReadCloser`. You can load **as many data sources as you want**. Passing other types will simply return an error.
```go
cfg, err := ini.Load([]byte("raw data"), "filename", ioutil.NopCloser(bytes.NewReader([]byte("some other data"))))
```
Or start with an empty object:
```go
cfg := ini.Empty()
```
When you cannot decide how many data sources to load at the beginning, you will still be able to **Append()** them later.
```go
err := cfg.Append("other file", []byte("other raw data"))
```
If you have a list of files with possibilities that some of them may not available at the time, and you don't know exactly which ones, you can use `LooseLoad` to ignore nonexistent files without returning error.
```go
cfg, err := ini.LooseLoad("filename", "filename_404")
```
The cool thing is, whenever the file is available to load while you're calling `Reload` method, it will be counted as usual.
#### Ignore cases of key name
When you do not care about cases of section and key names, you can use `InsensitiveLoad` to force all names to be lowercased while parsing.
```go
cfg, err := ini.InsensitiveLoad("filename")
//...
// sec1 and sec2 are the exactly same section object
sec1, err := cfg.GetSection("Section")
sec2, err := cfg.GetSection("SecTIOn")
// key1 and key2 are the exactly same key object
key1, err := sec1.GetKey("Key")
key2, err := sec2.GetKey("KeY")
```
#### MySQL-like boolean key
MySQL's configuration allows a key without value as follows:
```ini
[mysqld]
...
skip-host-cache
skip-name-resolve
```
By default, this is considered as missing value. But if you know you're going to deal with those cases, you can assign advanced load options:
```go
cfg, err := LoadSources(LoadOptions{AllowBooleanKeys: true}, "my.cnf"))
```
The value of those keys are always `true`, and when you save to a file, it will keep in the same foramt as you read.
To generate such keys in your program, you could use `NewBooleanKey`:
```go
key, err := sec.NewBooleanKey("skip-host-cache")
```
#### Comment
Take care that following format will be treated as comment:
1. Line begins with `#` or `;`
2. Words after `#` or `;`
3. Words after section name (i.e words after `[some section name]`)
If you want to save a value with `#` or `;`, please quote them with ``` ` ``` or ``` """ ```.
Alternatively, you can use following `LoadOptions` to completely ignore inline comments:
```go
cfg, err := LoadSources(LoadOptions{IgnoreInlineComment: true}, "app.ini"))
```
### Working with sections
To get a section, you would need to:
```go
section, err := cfg.GetSection("section name")
```
For a shortcut for default section, just give an empty string as name:
```go
section, err := cfg.GetSection("")
```
When you're pretty sure the section exists, following code could make your life easier:
```go
section := cfg.Section("section name")
```
What happens when the section somehow does not exist? Don't panic, it automatically creates and returns a new section to you.
To create a new section:
```go
err := cfg.NewSection("new section")
```
To get a list of sections or section names:
```go
sections := cfg.Sections()
names := cfg.SectionStrings()
```
### Working with keys
To get a key under a section:
```go
key, err := cfg.Section("").GetKey("key name")
```
Same rule applies to key operations:
```go
key := cfg.Section("").Key("key name")
```
To check if a key exists:
```go
yes := cfg.Section("").HasKey("key name")
```
To create a new key:
```go
err := cfg.Section("").NewKey("name", "value")
```
To get a list of keys or key names:
```go
keys := cfg.Section("").Keys()
names := cfg.Section("").KeyStrings()
```
To get a clone hash of keys and corresponding values:
```go
hash := cfg.Section("").KeysHash()
```
### Working with values
To get a string value:
```go
val := cfg.Section("").Key("key name").String()
```
To validate key value on the fly:
```go
val := cfg.Section("").Key("key name").Validate(func(in string) string {
if len(in) == 0 {
return "default"
}
return in
})
```
If you do not want any auto-transformation (such as recursive read) for the values, you can get raw value directly (this way you get much better performance):
```go
val := cfg.Section("").Key("key name").Value()
```
To check if raw value exists:
```go
yes := cfg.Section("").HasValue("test value")
```
To get value with types:
```go
// For boolean values:
// true when value is: 1, t, T, TRUE, true, True, YES, yes, Yes, y, ON, on, On
// false when value is: 0, f, F, FALSE, false, False, NO, no, No, n, OFF, off, Off
v, err = cfg.Section("").Key("BOOL").Bool()
v, err = cfg.Section("").Key("FLOAT64").Float64()
v, err = cfg.Section("").Key("INT").Int()
v, err = cfg.Section("").Key("INT64").Int64()
v, err = cfg.Section("").Key("UINT").Uint()
v, err = cfg.Section("").Key("UINT64").Uint64()
v, err = cfg.Section("").Key("TIME").TimeFormat(time.RFC3339)
v, err = cfg.Section("").Key("TIME").Time() // RFC3339
v = cfg.Section("").Key("BOOL").MustBool()
v = cfg.Section("").Key("FLOAT64").MustFloat64()
v = cfg.Section("").Key("INT").MustInt()
v = cfg.Section("").Key("INT64").MustInt64()
v = cfg.Section("").Key("UINT").MustUint()
v = cfg.Section("").Key("UINT64").MustUint64()
v = cfg.Section("").Key("TIME").MustTimeFormat(time.RFC3339)
v = cfg.Section("").Key("TIME").MustTime() // RFC3339
// Methods start with Must also accept one argument for default value
// when key not found or fail to parse value to given type.
// Except method MustString, which you have to pass a default value.
v = cfg.Section("").Key("String").MustString("default")
v = cfg.Section("").Key("BOOL").MustBool(true)
v = cfg.Section("").Key("FLOAT64").MustFloat64(1.25)
v = cfg.Section("").Key("INT").MustInt(10)
v = cfg.Section("").Key("INT64").MustInt64(99)
v = cfg.Section("").Key("UINT").MustUint(3)
v = cfg.Section("").Key("UINT64").MustUint64(6)
v = cfg.Section("").Key("TIME").MustTimeFormat(time.RFC3339, time.Now())
v = cfg.Section("").Key("TIME").MustTime(time.Now()) // RFC3339
```
What if my value is three-line long?
```ini
[advance]
ADDRESS = """404 road,
NotFound, State, 5000
Earth"""
```
Not a problem!
```go
cfg.Section("advance").Key("ADDRESS").String()
/* --- start ---
404 road,
NotFound, State, 5000
Earth
------ end --- */
```
That's cool, how about continuation lines?
```ini
[advance]
two_lines = how about \
continuation lines?
lots_of_lines = 1 \
2 \
3 \
4
```
Piece of cake!
```go
cfg.Section("advance").Key("two_lines").String() // how about continuation lines?
cfg.Section("advance").Key("lots_of_lines").String() // 1 2 3 4
```
Well, I hate continuation lines, how do I disable that?
```go
cfg, err := ini.LoadSources(ini.LoadOptions{
IgnoreContinuation: true,
}, "filename")
```
Holy crap!
Note that single quotes around values will be stripped:
```ini
foo = "some value" // foo: some value
bar = 'some value' // bar: some value
```
That's all? Hmm, no.
#### Helper methods of working with values
To get value with given candidates:
```go
v = cfg.Section("").Key("STRING").In("default", []string{"str", "arr", "types"})
v = cfg.Section("").Key("FLOAT64").InFloat64(1.1, []float64{1.25, 2.5, 3.75})
v = cfg.Section("").Key("INT").InInt(5, []int{10, 20, 30})
v = cfg.Section("").Key("INT64").InInt64(10, []int64{10, 20, 30})
v = cfg.Section("").Key("UINT").InUint(4, []int{3, 6, 9})
v = cfg.Section("").Key("UINT64").InUint64(8, []int64{3, 6, 9})
v = cfg.Section("").Key("TIME").InTimeFormat(time.RFC3339, time.Now(), []time.Time{time1, time2, time3})
v = cfg.Section("").Key("TIME").InTime(time.Now(), []time.Time{time1, time2, time3}) // RFC3339
```
Default value will be presented if value of key is not in candidates you given, and default value does not need be one of candidates.
To validate value in a given range:
```go
vals = cfg.Section("").Key("FLOAT64").RangeFloat64(0.0, 1.1, 2.2)
vals = cfg.Section("").Key("INT").RangeInt(0, 10, 20)
vals = cfg.Section("").Key("INT64").RangeInt64(0, 10, 20)
vals = cfg.Section("").Key("UINT").RangeUint(0, 3, 9)
vals = cfg.Section("").Key("UINT64").RangeUint64(0, 3, 9)
vals = cfg.Section("").Key("TIME").RangeTimeFormat(time.RFC3339, time.Now(), minTime, maxTime)
vals = cfg.Section("").Key("TIME").RangeTime(time.Now(), minTime, maxTime) // RFC3339
```
##### Auto-split values into a slice
To use zero value of type for invalid inputs:
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> [0.0 2.2 0.0 0.0]
vals = cfg.Section("").Key("STRINGS").Strings(",")
vals = cfg.Section("").Key("FLOAT64S").Float64s(",")
vals = cfg.Section("").Key("INTS").Ints(",")
vals = cfg.Section("").Key("INT64S").Int64s(",")
vals = cfg.Section("").Key("UINTS").Uints(",")
vals = cfg.Section("").Key("UINT64S").Uint64s(",")
vals = cfg.Section("").Key("TIMES").Times(",")
```
To exclude invalid values out of result slice:
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> [2.2]
vals = cfg.Section("").Key("FLOAT64S").ValidFloat64s(",")
vals = cfg.Section("").Key("INTS").ValidInts(",")
vals = cfg.Section("").Key("INT64S").ValidInt64s(",")
vals = cfg.Section("").Key("UINTS").ValidUints(",")
vals = cfg.Section("").Key("UINT64S").ValidUint64s(",")
vals = cfg.Section("").Key("TIMES").ValidTimes(",")
```
Or to return nothing but error when have invalid inputs:
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> error
vals = cfg.Section("").Key("FLOAT64S").StrictFloat64s(",")
vals = cfg.Section("").Key("INTS").StrictInts(",")
vals = cfg.Section("").Key("INT64S").StrictInt64s(",")
vals = cfg.Section("").Key("UINTS").StrictUints(",")
vals = cfg.Section("").Key("UINT64S").StrictUint64s(",")
vals = cfg.Section("").Key("TIMES").StrictTimes(",")
```
### Save your configuration
Finally, it's time to save your configuration to somewhere.
A typical way to save configuration is writing it to a file:
```go
// ...
err = cfg.SaveTo("my.ini")
err = cfg.SaveToIndent("my.ini", "\t")
```
Another way to save is writing to a `io.Writer` interface:
```go
// ...
cfg.WriteTo(writer)
cfg.WriteToIndent(writer, "\t")
```
By default, spaces are used to align "=" sign between key and values, to disable that:
```go
ini.PrettyFormat = false
```
## Advanced Usage
### Recursive Values
For all value of keys, there is a special syntax `%(<name>)s`, where `<name>` is the key name in same section or default section, and `%(<name>)s` will be replaced by corresponding value(empty string if key not found). You can use this syntax at most 99 level of recursions.
```ini
NAME = ini
[author]
NAME = Unknwon
GITHUB = https://github.com/%(NAME)s
[package]
FULL_NAME = github.com/go-ini/%(NAME)s
```
```go
cfg.Section("author").Key("GITHUB").String() // https://github.com/Unknwon
cfg.Section("package").Key("FULL_NAME").String() // github.com/go-ini/ini
```
### Parent-child Sections
You can use `.` in section name to indicate parent-child relationship between two or more sections. If the key not found in the child section, library will try again on its parent section until there is no parent section.
```ini
NAME = ini
VERSION = v1
IMPORT_PATH = gopkg.in/%(NAME)s.%(VERSION)s
[package]
CLONE_URL = https://%(IMPORT_PATH)s
[package.sub]
```
```go
cfg.Section("package.sub").Key("CLONE_URL").String() // https://gopkg.in/ini.v1
```
#### Retrieve parent keys available to a child section
```go
cfg.Section("package.sub").ParentKeys() // ["CLONE_URL"]
```
### Unparseable Sections
Sometimes, you have sections that do not contain key-value pairs but raw content, to handle such case, you can use `LoadOptions.UnparsableSections`:
```go
cfg, err := LoadSources(LoadOptions{UnparseableSections: []string{"COMMENTS"}}, `[COMMENTS]
<1><L.Slide#2> This slide has the fuel listed in the wrong units <e.1>`))
body := cfg.Section("COMMENTS").Body()
/* --- start ---
<1><L.Slide#2> This slide has the fuel listed in the wrong units <e.1>
------ end --- */
```
### Auto-increment Key Names
If key name is `-` in data source, then it would be seen as special syntax for auto-increment key name start from 1, and every section is independent on counter.
```ini
[features]
-: Support read/write comments of keys and sections
-: Support auto-increment of key names
-: Support load multiple files to overwrite key values
```
```go
cfg.Section("features").KeyStrings() // []{"#1", "#2", "#3"}
```
### Map To Struct
Want more objective way to play with INI? Cool.
```ini
Name = Unknwon
age = 21
Male = true
Born = 1993-01-01T20:17:05Z
[Note]
Content = Hi is a good man!
Cities = HangZhou, Boston
```
```go
type Note struct {
Content string
Cities []string
}
type Person struct {
Name string
Age int `ini:"age"`
Male bool
Born time.Time
Note
Created time.Time `ini:"-"`
}
func main() {
cfg, err := ini.Load("path/to/ini")
// ...
p := new(Person)
err = cfg.MapTo(p)
// ...
// Things can be simpler.
err = ini.MapTo(p, "path/to/ini")
// ...
// Just map a section? Fine.
n := new(Note)
err = cfg.Section("Note").MapTo(n)
// ...
}
```
Can I have default value for field? Absolutely.
Assign it before you map to struct. It will keep the value as it is if the key is not presented or got wrong type.
```go
// ...
p := &Person{
Name: "Joe",
}
// ...
```
It's really cool, but what's the point if you can't give me my file back from struct?
### Reflect From Struct
Why not?
```go
type Embeded struct {
Dates []time.Time `delim:"|"`
Places []string `ini:"places,omitempty"`
None []int `ini:",omitempty"`
}
type Author struct {
Name string `ini:"NAME"`
Male bool
Age int
GPA float64
NeverMind string `ini:"-"`
*Embeded
}
func main() {
a := &Author{"Unknwon", true, 21, 2.8, "",
&Embeded{
[]time.Time{time.Now(), time.Now()},
[]string{"HangZhou", "Boston"},
[]int{},
}}
cfg := ini.Empty()
err = ini.ReflectFrom(cfg, a)
// ...
}
```
So, what do I get?
```ini
NAME = Unknwon
Male = true
Age = 21
GPA = 2.8
[Embeded]
Dates = 2015-08-07T22:14:22+08:00|2015-08-07T22:14:22+08:00
places = HangZhou,Boston
```
#### Name Mapper
To save your time and make your code cleaner, this library supports [`NameMapper`](https://gowalker.org/gopkg.in/ini.v1#NameMapper) between struct field and actual section and key name.
There are 2 built-in name mappers:
- `AllCapsUnderscore`: it converts to format `ALL_CAPS_UNDERSCORE` then match section or key.
- `TitleUnderscore`: it converts to format `title_underscore` then match section or key.
To use them:
```go
type Info struct {
PackageName string
}
func main() {
err = ini.MapToWithMapper(&Info{}, ini.TitleUnderscore, []byte("package_name=ini"))
// ...
cfg, err := ini.Load([]byte("PACKAGE_NAME=ini"))
// ...
info := new(Info)
cfg.NameMapper = ini.AllCapsUnderscore
err = cfg.MapTo(info)
// ...
}
```
Same rules of name mapper apply to `ini.ReflectFromWithMapper` function.
#### Value Mapper
To expand values (e.g. from environment variables), you can use the `ValueMapper` to transform values:
```go
type Env struct {
Foo string `ini:"foo"`
}
func main() {
cfg, err := ini.Load([]byte("[env]\nfoo = ${MY_VAR}\n")
cfg.ValueMapper = os.ExpandEnv
// ...
env := &Env{}
err = cfg.Section("env").MapTo(env)
}
```
This would set the value of `env.Foo` to the value of the environment variable `MY_VAR`.
#### Other Notes On Map/Reflect
Any embedded struct is treated as a section by default, and there is no automatic parent-child relations in map/reflect feature:
```go
type Child struct {
Age string
}
type Parent struct {
Name string
Child
}
type Config struct {
City string
Parent
}
```
Example configuration:
```ini
City = Boston
[Parent]
Name = Unknwon
[Child]
Age = 21
```
What if, yes, I'm paranoid, I want embedded struct to be in the same section. Well, all roads lead to Rome.
```go
type Child struct {
Age string
}
type Parent struct {
Name string
Child `ini:"Parent"`
}
type Config struct {
City string
Parent
}
```
Example configuration:
```ini
City = Boston
[Parent]
Name = Unknwon
Age = 21
```
## Getting Help
- [API Documentation](https://gowalker.org/gopkg.in/ini.v1)
- [File An Issue](https://github.com/go-ini/ini/issues/new)
## FAQs
### What does `BlockMode` field do?
By default, library lets you read and write values so we need a locker to make sure your data is safe. But in cases that you are very sure about only reading data through the library, you can set `cfg.BlockMode = false` to speed up read operations about **50-70%** faster.
### Why another INI library?
Many people are using my another INI library [goconfig](https://github.com/Unknwon/goconfig), so the reason for this one is I would like to make more Go style code. Also when you set `cfg.BlockMode = false`, this one is about **10-30%** faster.
To make those changes I have to confirm API broken, so it's safer to keep it in another place and start using `gopkg.in` to version my package at this time.(PS: shorter import path)
## License
This project is under Apache v2 License. See the [LICENSE](LICENSE) file for the full license text.

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本包提供了 Go 语言中读写 INI 文件的功能。
## 功能特性
- 支持覆盖加载多个数据源（`[]byte`、文件和 `io.ReadCloser`）
- 支持递归读取键值
- 支持读取父子分区
- 支持读取自增键名
- 支持读取多行的键值
- 支持大量辅助方法
- 支持在读取时直接转换为 Go 语言类型
- 支持读取和 **写入** 分区和键的注释
- 轻松操作分区、键值和注释
- 在保存文件时分区和键值会保持原有的顺序
## 下载安装
使用一个特定版本：
go get gopkg.in/ini.v1
使用最新版：
go get github.com/go-ini/ini
如需更新请添加 `-u` 选项。
### 测试安装
如果您想要在自己的机器上运行测试，请使用 `-t` 标记：
go get -t gopkg.in/ini.v1
如需更新请添加 `-u` 选项。
## 开始使用
### 从数据源加载
一个 **数据源** 可以是 `[]byte` 类型的原始数据，`string` 类型的文件路径或 `io.ReadCloser`。您可以加载 **任意多个** 数据源。如果您传递其它类型的数据源，则会直接返回错误。
```go
cfg, err := ini.Load([]byte("raw data"), "filename", ioutil.NopCloser(bytes.NewReader([]byte("some other data"))))
```
或者从一个空白的文件开始：
```go
cfg := ini.Empty()
```
当您在一开始无法决定需要加载哪些数据源时，仍可以使用 **Append()** 在需要的时候加载它们。
```go
err := cfg.Append("other file", []byte("other raw data"))
```
当您想要加载一系列文件，但是不能够确定其中哪些文件是不存在的，可以通过调用函数 `LooseLoad` 来忽略它们（`Load` 会因为文件不存在而返回错误）：
```go
cfg, err := ini.LooseLoad("filename", "filename_404")
```
更牛逼的是，当那些之前不存在的文件在重新调用 `Reload` 方法的时候突然出现了，那么它们会被正常加载。
#### 忽略键名的大小写
有时候分区和键的名称大小写混合非常烦人，这个时候就可以通过 `InsensitiveLoad` 将所有分区和键名在读取里强制转换为小写：
```go
cfg, err := ini.InsensitiveLoad("filename")
//...
// sec1 和 sec2 指向同一个分区对象
sec1, err := cfg.GetSection("Section")
sec2, err := cfg.GetSection("SecTIOn")
// key1 和 key2 指向同一个键对象
key1, err := sec1.GetKey("Key")
key2, err := sec2.GetKey("KeY")
```
#### 类似 MySQL 配置中的布尔值键
MySQL 的配置文件中会出现没有具体值的布尔类型的键：
```ini
[mysqld]
...
skip-host-cache
skip-name-resolve
```
默认情况下这被认为是缺失值而无法完成解析，但可以通过高级的加载选项对它们进行处理：
```go
cfg, err := LoadSources(LoadOptions{AllowBooleanKeys: true}, "my.cnf"))
```
这些键的值永远为 `true`，且在保存到文件时也只会输出键名。
如果您想要通过程序来生成此类键，则可以使用 `NewBooleanKey`：
```go
key, err := sec.NewBooleanKey("skip-host-cache")
```
#### 关于注释
下述几种情况的内容将被视为注释：
1. 所有以 `#` 或 `;` 开头的行
2. 所有在 `#` 或 `;` 之后的内容
3. 分区标签后的文字 (即 `[分区名]` 之后的内容)
如果你希望使用包含 `#` 或 `;` 的值，请使用 ``` ` ``` 或 ``` """ ``` 进行包覆。
除此之外，您还可以通过 `LoadOptions` 完全忽略行内注释：
```go
cfg, err := LoadSources(LoadOptions{IgnoreInlineComment: true}, "app.ini"))
```
### 操作分区（Section）
获取指定分区：
```go
section, err := cfg.GetSection("section name")
```
如果您想要获取默认分区，则可以用空字符串代替分区名：
```go
section, err := cfg.GetSection("")
```
当您非常确定某个分区是存在的，可以使用以下简便方法：
```go
section := cfg.Section("section name")
```
如果不小心判断错了，要获取的分区其实是不存在的，那会发生什么呢？没事的，它会自动创建并返回一个对应的分区对象给您。
创建一个分区：
```go
err := cfg.NewSection("new section")
```
获取所有分区对象或名称：
```go
sections := cfg.Sections()
names := cfg.SectionStrings()
```
### 操作键（Key）
获取某个分区下的键：
```go
key, err := cfg.Section("").GetKey("key name")
```
和分区一样，您也可以直接获取键而忽略错误处理：
```go
key := cfg.Section("").Key("key name")
```
判断某个键是否存在：
```go
yes := cfg.Section("").HasKey("key name")
```
创建一个新的键：
```go
err := cfg.Section("").NewKey("name", "value")
```
获取分区下的所有键或键名：
```go
keys := cfg.Section("").Keys()
names := cfg.Section("").KeyStrings()
```
获取分区下的所有键值对的克隆：
```go
hash := cfg.Section("").KeysHash()
```
### 操作键值（Value）
获取一个类型为字符串（string）的值：
```go
val := cfg.Section("").Key("key name").String()
```
获取值的同时通过自定义函数进行处理验证：
```go
val := cfg.Section("").Key("key name").Validate(func(in string) string {
if len(in) == 0 {
return "default"
}
return in
})
```
如果您不需要任何对值的自动转变功能（例如递归读取），可以直接获取原值（这种方式性能最佳）：
```go
val := cfg.Section("").Key("key name").Value()
```
判断某个原值是否存在：
```go
yes := cfg.Section("").HasValue("test value")
```
获取其它类型的值：
```go
// 布尔值的规则：
// true 当值为：1, t, T, TRUE, true, True, YES, yes, Yes, y, ON, on, On
// false 当值为：0, f, F, FALSE, false, False, NO, no, No, n, OFF, off, Off
v, err = cfg.Section("").Key("BOOL").Bool()
v, err = cfg.Section("").Key("FLOAT64").Float64()
v, err = cfg.Section("").Key("INT").Int()
v, err = cfg.Section("").Key("INT64").Int64()
v, err = cfg.Section("").Key("UINT").Uint()
v, err = cfg.Section("").Key("UINT64").Uint64()
v, err = cfg.Section("").Key("TIME").TimeFormat(time.RFC3339)
v, err = cfg.Section("").Key("TIME").Time() // RFC3339
v = cfg.Section("").Key("BOOL").MustBool()
v = cfg.Section("").Key("FLOAT64").MustFloat64()
v = cfg.Section("").Key("INT").MustInt()
v = cfg.Section("").Key("INT64").MustInt64()
v = cfg.Section("").Key("UINT").MustUint()
v = cfg.Section("").Key("UINT64").MustUint64()
v = cfg.Section("").Key("TIME").MustTimeFormat(time.RFC3339)
v = cfg.Section("").Key("TIME").MustTime() // RFC3339
// 由 Must 开头的方法名允许接收一个相同类型的参数来作为默认值，
// 当键不存在或者转换失败时，则会直接返回该默认值。
// 但是，MustString 方法必须传递一个默认值。
v = cfg.Seciont("").Key("String").MustString("default")
v = cfg.Section("").Key("BOOL").MustBool(true)
v = cfg.Section("").Key("FLOAT64").MustFloat64(1.25)
v = cfg.Section("").Key("INT").MustInt(10)
v = cfg.Section("").Key("INT64").MustInt64(99)
v = cfg.Section("").Key("UINT").MustUint(3)
v = cfg.Section("").Key("UINT64").MustUint64(6)
v = cfg.Section("").Key("TIME").MustTimeFormat(time.RFC3339, time.Now())
v = cfg.Section("").Key("TIME").MustTime(time.Now()) // RFC3339
```
如果我的值有好多行怎么办？
```ini
[advance]
ADDRESS = """404 road,
NotFound, State, 5000
Earth"""
```
嗯哼？小 case！
```go
cfg.Section("advance").Key("ADDRESS").String()
/* --- start ---
404 road,
NotFound, State, 5000
Earth
------ end --- */
```
赞爆了！那要是我属于一行的内容写不下想要写到第二行怎么办？
```ini
[advance]
two_lines = how about \
continuation lines?
lots_of_lines = 1 \
2 \
3 \
4
```
简直是小菜一碟！
```go
cfg.Section("advance").Key("two_lines").String() // how about continuation lines?
cfg.Section("advance").Key("lots_of_lines").String() // 1 2 3 4
```
可是我有时候觉得两行连在一起特别没劲，怎么才能不自动连接两行呢？
```go
cfg, err := ini.LoadSources(ini.LoadOptions{
IgnoreContinuation: true,
}, "filename")
```
哇靠给力啊！
需要注意的是，值两侧的单引号会被自动剔除：
```ini
foo = "some value" // foo: some value
bar = 'some value' // bar: some value
```
这就是全部了？哈哈，当然不是。
#### 操作键值的辅助方法
获取键值时设定候选值：
```go
v = cfg.Section("").Key("STRING").In("default", []string{"str", "arr", "types"})
v = cfg.Section("").Key("FLOAT64").InFloat64(1.1, []float64{1.25, 2.5, 3.75})
v = cfg.Section("").Key("INT").InInt(5, []int{10, 20, 30})
v = cfg.Section("").Key("INT64").InInt64(10, []int64{10, 20, 30})
v = cfg.Section("").Key("UINT").InUint(4, []int{3, 6, 9})
v = cfg.Section("").Key("UINT64").InUint64(8, []int64{3, 6, 9})
v = cfg.Section("").Key("TIME").InTimeFormat(time.RFC3339, time.Now(), []time.Time{time1, time2, time3})
v = cfg.Section("").Key("TIME").InTime(time.Now(), []time.Time{time1, time2, time3}) // RFC3339
```
如果获取到的值不是候选值的任意一个，则会返回默认值，而默认值不需要是候选值中的一员。
验证获取的值是否在指定范围内：
```go
vals = cfg.Section("").Key("FLOAT64").RangeFloat64(0.0, 1.1, 2.2)
vals = cfg.Section("").Key("INT").RangeInt(0, 10, 20)
vals = cfg.Section("").Key("INT64").RangeInt64(0, 10, 20)
vals = cfg.Section("").Key("UINT").RangeUint(0, 3, 9)
vals = cfg.Section("").Key("UINT64").RangeUint64(0, 3, 9)
vals = cfg.Section("").Key("TIME").RangeTimeFormat(time.RFC3339, time.Now(), minTime, maxTime)
vals = cfg.Section("").Key("TIME").RangeTime(time.Now(), minTime, maxTime) // RFC3339
```
##### 自动分割键值到切片（slice）
当存在无效输入时，使用零值代替：
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> [0.0 2.2 0.0 0.0]
vals = cfg.Section("").Key("STRINGS").Strings(",")
vals = cfg.Section("").Key("FLOAT64S").Float64s(",")
vals = cfg.Section("").Key("INTS").Ints(",")
vals = cfg.Section("").Key("INT64S").Int64s(",")
vals = cfg.Section("").Key("UINTS").Uints(",")
vals = cfg.Section("").Key("UINT64S").Uint64s(",")
vals = cfg.Section("").Key("TIMES").Times(",")
```
从结果切片中剔除无效输入：
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> [2.2]
vals = cfg.Section("").Key("FLOAT64S").ValidFloat64s(",")
vals = cfg.Section("").Key("INTS").ValidInts(",")
vals = cfg.Section("").Key("INT64S").ValidInt64s(",")
vals = cfg.Section("").Key("UINTS").ValidUints(",")
vals = cfg.Section("").Key("UINT64S").ValidUint64s(",")
vals = cfg.Section("").Key("TIMES").ValidTimes(",")
```
当存在无效输入时，直接返回错误：
```go
// Input: 1.1, 2.2, 3.3, 4.4 -> [1.1 2.2 3.3 4.4]
// Input: how, 2.2, are, you -> error
vals = cfg.Section("").Key("FLOAT64S").StrictFloat64s(",")
vals = cfg.Section("").Key("INTS").StrictInts(",")
vals = cfg.Section("").Key("INT64S").StrictInt64s(",")
vals = cfg.Section("").Key("UINTS").StrictUints(",")
vals = cfg.Section("").Key("UINT64S").StrictUint64s(",")
vals = cfg.Section("").Key("TIMES").StrictTimes(",")
```
### 保存配置
终于到了这个时刻，是时候保存一下配置了。
比较原始的做法是输出配置到某个文件：
```go
// ...
err = cfg.SaveTo("my.ini")
err = cfg.SaveToIndent("my.ini", "\t")
```
另一个比较高级的做法是写入到任何实现 `io.Writer` 接口的对象中：
```go
// ...
cfg.WriteTo(writer)
cfg.WriteToIndent(writer, "\t")
```
默认情况下，空格将被用于对齐键值之间的等号以美化输出结果，以下代码可以禁用该功能：
```go
ini.PrettyFormat = false
```
## 高级用法
### 递归读取键值
在获取所有键值的过程中，特殊语法 `%(<name>)s` 会被应用，其中 `<name>` 可以是相同分区或者默认分区下的键名。字符串 `%(<name>)s` 会被相应的键值所替代，如果指定的键不存在，则会用空字符串替代。您可以最多使用 99 层的递归嵌套。
```ini
NAME = ini
[author]
NAME = Unknwon
GITHUB = https://github.com/%(NAME)s
[package]
FULL_NAME = github.com/go-ini/%(NAME)s
```
```go
cfg.Section("author").Key("GITHUB").String() // https://github.com/Unknwon
cfg.Section("package").Key("FULL_NAME").String() // github.com/go-ini/ini
```
### 读取父子分区
您可以在分区名称中使用 `.` 来表示两个或多个分区之间的父子关系。如果某个键在子分区中不存在，则会去它的父分区中再次寻找，直到没有父分区为止。
```ini
NAME = ini
VERSION = v1
IMPORT_PATH = gopkg.in/%(NAME)s.%(VERSION)s
[package]
CLONE_URL = https://%(IMPORT_PATH)s
[package.sub]
```
```go
cfg.Section("package.sub").Key("CLONE_URL").String() // https://gopkg.in/ini.v1
```
#### 获取上级父分区下的所有键名
```go
cfg.Section("package.sub").ParentKeys() // ["CLONE_URL"]
```
### 无法解析的分区
如果遇到一些比较特殊的分区，它们不包含常见的键值对，而是没有固定格式的纯文本，则可以使用 `LoadOptions.UnparsableSections` 进行处理：
```go
cfg, err := LoadSources(LoadOptions{UnparseableSections: []string{"COMMENTS"}}, `[COMMENTS]
<1><L.Slide#2> This slide has the fuel listed in the wrong units <e.1>`))
body := cfg.Section("COMMENTS").Body()
/* --- start ---
<1><L.Slide#2> This slide has the fuel listed in the wrong units <e.1>
------ end --- */
```
### 读取自增键名
如果数据源中的键名为 `-`，则认为该键使用了自增键名的特殊语法。计数器从 1 开始，并且分区之间是相互独立的。
```ini
[features]
-: Support read/write comments of keys and sections
-: Support auto-increment of key names
-: Support load multiple files to overwrite key values
```
```go
cfg.Section("features").KeyStrings() // []{"#1", "#2", "#3"}
```
### 映射到结构
想要使用更加面向对象的方式玩转 INI 吗？好主意。
```ini
Name = Unknwon
age = 21
Male = true
Born = 1993-01-01T20:17:05Z
[Note]
Content = Hi is a good man!
Cities = HangZhou, Boston
```
```go
type Note struct {
Content string
Cities []string
}
type Person struct {
Name string
Age int `ini:"age"`
Male bool
Born time.Time
Note
Created time.Time `ini:"-"`
}
func main() {
cfg, err := ini.Load("path/to/ini")
// ...
p := new(Person)
err = cfg.MapTo(p)
// ...
// 一切竟可以如此的简单。
err = ini.MapTo(p, "path/to/ini")
// ...
// 嗯哼？只需要映射一个分区吗？
n := new(Note)
err = cfg.Section("Note").MapTo(n)
// ...
}
```
结构的字段怎么设置默认值呢？很简单，只要在映射之前对指定字段进行赋值就可以了。如果键未找到或者类型错误，该值不会发生改变。
```go
// ...
p := &Person{
Name: "Joe",
}
// ...
```
这样玩 INI 真的好酷啊！然而，如果不能还给我原来的配置文件，有什么卵用？
### 从结构反射
可是，我有说不能吗？
```go
type Embeded struct {
Dates []time.Time `delim:"|"`
Places []string `ini:"places,omitempty"`
None []int `ini:",omitempty"`
}
type Author struct {
Name string `ini:"NAME"`
Male bool
Age int
GPA float64
NeverMind string `ini:"-"`
*Embeded
}
func main() {
a := &Author{"Unknwon", true, 21, 2.8, "",
&Embeded{
[]time.Time{time.Now(), time.Now()},
[]string{"HangZhou", "Boston"},
[]int{},
}}
cfg := ini.Empty()
err = ini.ReflectFrom(cfg, a)
// ...
}
```
瞧瞧，奇迹发生了。
```ini
NAME = Unknwon
Male = true
Age = 21
GPA = 2.8
[Embeded]
Dates = 2015-08-07T22:14:22+08:00|2015-08-07T22:14:22+08:00
places = HangZhou,Boston
```
#### 名称映射器（Name Mapper）
为了节省您的时间并简化代码，本库支持类型为 [`NameMapper`](https://gowalker.org/gopkg.in/ini.v1#NameMapper) 的名称映射器，该映射器负责结构字段名与分区名和键名之间的映射。
目前有 2 款内置的映射器：
- `AllCapsUnderscore`：该映射器将字段名转换至格式 `ALL_CAPS_UNDERSCORE` 后再去匹配分区名和键名。
- `TitleUnderscore`：该映射器将字段名转换至格式 `title_underscore` 后再去匹配分区名和键名。
使用方法：
```go
type Info struct{
PackageName string
}
func main() {
err = ini.MapToWithMapper(&Info{}, ini.TitleUnderscore, []byte("package_name=ini"))
// ...
cfg, err := ini.Load([]byte("PACKAGE_NAME=ini"))
// ...
info := new(Info)
cfg.NameMapper = ini.AllCapsUnderscore
err = cfg.MapTo(info)
// ...
}
```
使用函数 `ini.ReflectFromWithMapper` 时也可应用相同的规则。
#### 值映射器（Value Mapper）
值映射器允许使用一个自定义函数自动展开值的具体内容，例如：运行时获取环境变量：
```go
type Env struct {
Foo string `ini:"foo"`
}
func main() {
cfg, err := ini.Load([]byte("[env]\nfoo = ${MY_VAR}\n")
cfg.ValueMapper = os.ExpandEnv
// ...
env := &Env{}
err = cfg.Section("env").MapTo(env)
}
```
本例中，`env.Foo` 将会是运行时所获取到环境变量 `MY_VAR` 的值。
#### 映射/反射的其它说明
任何嵌入的结构都会被默认认作一个不同的分区，并且不会自动产生所谓的父子分区关联：
```go
type Child struct {
Age string
}
type Parent struct {
Name string
Child
}
type Config struct {
City string
Parent
}
```
示例配置文件：
```ini
City = Boston
[Parent]
Name = Unknwon
[Child]
Age = 21
```
很好，但是，我就是要嵌入结构也在同一个分区。好吧，你爹是李刚！
```go
type Child struct {
Age string
}
type Parent struct {
Name string
Child `ini:"Parent"`
}
type Config struct {
City string
Parent
}
```
示例配置文件：
```ini
City = Boston
[Parent]
Name = Unknwon
Age = 21
```
## 获取帮助
- [API 文档](https://gowalker.org/gopkg.in/ini.v1)
- [创建工单](https://github.com/go-ini/ini/issues/new)
## 常见问题
### 字段 `BlockMode` 是什么？
默认情况下，本库会在您进行读写操作时采用锁机制来确保数据时间。但在某些情况下，您非常确定只进行读操作。此时，您可以通过设置 `cfg.BlockMode = false` 来将读操作提升大约 **50-70%** 的性能。
### 为什么要写另一个 INI 解析库？
许多人都在使用我的 [goconfig](https://github.com/Unknwon/goconfig) 来完成对 INI 文件的操作，但我希望使用更加 Go 风格的代码。并且当您设置 `cfg.BlockMode = false` 时，会有大约 **10-30%** 的性能提升。
为了做出这些改变，我必须对 API 进行破坏，所以新开一个仓库是最安全的做法。除此之外，本库直接使用 `gopkg.in` 来进行版本化发布。（其实真相是导入路径更短了）

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vendor/github.com/go-ini/ini/error.go generated vendored Normal file
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// Copyright 2016 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package ini
import (
"fmt"
)
type ErrDelimiterNotFound struct {
Line string
}
func IsErrDelimiterNotFound(err error) bool {
_, ok := err.(ErrDelimiterNotFound)
return ok
}
func (err ErrDelimiterNotFound) Error() string {
return fmt.Sprintf("key-value delimiter not found: %s", err.Line)
}

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vendor/github.com/go-ini/ini/ini.go generated vendored Normal file
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// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
// Package ini provides INI file read and write functionality in Go.
package ini
import (
"bytes"
"errors"
"fmt"
"io"
"io/ioutil"
"os"
"regexp"
"runtime"
"strconv"
"strings"
"sync"
"time"
)
const (
// Name for default section. You can use this constant or the string literal.
// In most of cases, an empty string is all you need to access the section.
DEFAULT_SECTION = "DEFAULT"
// Maximum allowed depth when recursively substituing variable names.
_DEPTH_VALUES = 99
_VERSION = "1.28.0"
)
// Version returns current package version literal.
func Version() string {
return _VERSION
}
var (
// Delimiter to determine or compose a new line.
// This variable will be changed to "\r\n" automatically on Windows
// at package init time.
LineBreak = "\n"
// Variable regexp pattern: %(variable)s
varPattern = regexp.MustCompile(`%\(([^\)]+)\)s`)
// Indicate whether to align "=" sign with spaces to produce pretty output
// or reduce all possible spaces for compact format.
PrettyFormat = true
// Explicitly write DEFAULT section header
DefaultHeader = false
// Indicate whether to put a line between sections
PrettySection = true
)
func init() {
if runtime.GOOS == "windows" {
LineBreak = "\r\n"
}
}
func inSlice(str string, s []string) bool {
for _, v := range s {
if str == v {
return true
}
}
return false
}
// dataSource is an interface that returns object which can be read and closed.
type dataSource interface {
ReadCloser() (io.ReadCloser, error)
}
// sourceFile represents an object that contains content on the local file system.
type sourceFile struct {
name string
}
func (s sourceFile) ReadCloser() (_ io.ReadCloser, err error) {
return os.Open(s.name)
}
type bytesReadCloser struct {
reader io.Reader
}
func (rc *bytesReadCloser) Read(p []byte) (n int, err error) {
return rc.reader.Read(p)
}
func (rc *bytesReadCloser) Close() error {
return nil
}
// sourceData represents an object that contains content in memory.
type sourceData struct {
data []byte
}
func (s *sourceData) ReadCloser() (io.ReadCloser, error) {
return ioutil.NopCloser(bytes.NewReader(s.data)), nil
}
// sourceReadCloser represents an input stream with Close method.
type sourceReadCloser struct {
reader io.ReadCloser
}
func (s *sourceReadCloser) ReadCloser() (io.ReadCloser, error) {
return s.reader, nil
}
// File represents a combination of a or more INI file(s) in memory.
type File struct {
// Should make things safe, but sometimes doesn't matter.
BlockMode bool
// Make sure data is safe in multiple goroutines.
lock sync.RWMutex
// Allow combination of multiple data sources.
dataSources []dataSource
// Actual data is stored here.
sections map[string]*Section
// To keep data in order.
sectionList []string
options LoadOptions
NameMapper
ValueMapper
}
// newFile initializes File object with given data sources.
func newFile(dataSources []dataSource, opts LoadOptions) *File {
return &File{
BlockMode: true,
dataSources: dataSources,
sections: make(map[string]*Section),
sectionList: make([]string, 0, 10),
options: opts,
}
}
func parseDataSource(source interface{}) (dataSource, error) {
switch s := source.(type) {
case string:
return sourceFile{s}, nil
case []byte:
return &sourceData{s}, nil
case io.ReadCloser:
return &sourceReadCloser{s}, nil
default:
return nil, fmt.Errorf("error parsing data source: unknown type '%s'", s)
}
}
type LoadOptions struct {
// Loose indicates whether the parser should ignore nonexistent files or return error.
Loose bool
// Insensitive indicates whether the parser forces all section and key names to lowercase.
Insensitive bool
// IgnoreContinuation indicates whether to ignore continuation lines while parsing.
IgnoreContinuation bool
// IgnoreInlineComment indicates whether to ignore comments at the end of value and treat it as part of value.
IgnoreInlineComment bool
// AllowBooleanKeys indicates whether to allow boolean type keys or treat as value is missing.
// This type of keys are mostly used in my.cnf.
AllowBooleanKeys bool
// AllowShadows indicates whether to keep track of keys with same name under same section.
AllowShadows bool
// Some INI formats allow group blocks that store a block of raw content that doesn't otherwise
// conform to key/value pairs. Specify the names of those blocks here.
UnparseableSections []string
}
func LoadSources(opts LoadOptions, source interface{}, others ...interface{}) (_ *File, err error) {
sources := make([]dataSource, len(others)+1)
sources[0], err = parseDataSource(source)
if err != nil {
return nil, err
}
for i := range others {
sources[i+1], err = parseDataSource(others[i])
if err != nil {
return nil, err
}
}
f := newFile(sources, opts)
if err = f.Reload(); err != nil {
return nil, err
}
return f, nil
}
// Load loads and parses from INI data sources.
// Arguments can be mixed of file name with string type, or raw data in []byte.
// It will return error if list contains nonexistent files.
func Load(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{}, source, others...)
}
// LooseLoad has exactly same functionality as Load function
// except it ignores nonexistent files instead of returning error.
func LooseLoad(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{Loose: true}, source, others...)
}
// InsensitiveLoad has exactly same functionality as Load function
// except it forces all section and key names to be lowercased.
func InsensitiveLoad(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{Insensitive: true}, source, others...)
}
// InsensitiveLoad has exactly same functionality as Load function
// except it allows have shadow keys.
func ShadowLoad(source interface{}, others ...interface{}) (*File, error) {
return LoadSources(LoadOptions{AllowShadows: true}, source, others...)
}
// Empty returns an empty file object.
func Empty() *File {
// Ignore error here, we sure our data is good.
f, _ := Load([]byte(""))
return f
}
// NewSection creates a new section.
func (f *File) NewSection(name string) (*Section, error) {
if len(name) == 0 {
return nil, errors.New("error creating new section: empty section name")
} else if f.options.Insensitive && name != DEFAULT_SECTION {
name = strings.ToLower(name)
}
if f.BlockMode {
f.lock.Lock()
defer f.lock.Unlock()
}
if inSlice(name, f.sectionList) {
return f.sections[name], nil
}
f.sectionList = append(f.sectionList, name)
f.sections[name] = newSection(f, name)
return f.sections[name], nil
}
// NewRawSection creates a new section with an unparseable body.
func (f *File) NewRawSection(name, body string) (*Section, error) {
section, err := f.NewSection(name)
if err != nil {
return nil, err
}
section.isRawSection = true
section.rawBody = body
return section, nil
}
// NewSections creates a list of sections.
func (f *File) NewSections(names ...string) (err error) {
for _, name := range names {
if _, err = f.NewSection(name); err != nil {
return err
}
}
return nil
}
// GetSection returns section by given name.
func (f *File) GetSection(name string) (*Section, error) {
if len(name) == 0 {
name = DEFAULT_SECTION
} else if f.options.Insensitive {
name = strings.ToLower(name)
}
if f.BlockMode {
f.lock.RLock()
defer f.lock.RUnlock()
}
sec := f.sections[name]
if sec == nil {
return nil, fmt.Errorf("section '%s' does not exist", name)
}
return sec, nil
}
// Section assumes named section exists and returns a zero-value when not.
func (f *File) Section(name string) *Section {
sec, err := f.GetSection(name)
if err != nil {
// Note: It's OK here because the only possible error is empty section name,
// but if it's empty, this piece of code won't be executed.
sec, _ = f.NewSection(name)
return sec
}
return sec
}
// Section returns list of Section.
func (f *File) Sections() []*Section {
sections := make([]*Section, len(f.sectionList))
for i := range f.sectionList {
sections[i] = f.Section(f.sectionList[i])
}
return sections
}
// ChildSections returns a list of child sections of given section name.
func (f *File) ChildSections(name string) []*Section {
return f.Section(name).ChildSections()
}
// SectionStrings returns list of section names.
func (f *File) SectionStrings() []string {
list := make([]string, len(f.sectionList))
copy(list, f.sectionList)
return list
}
// DeleteSection deletes a section.
func (f *File) DeleteSection(name string) {
if f.BlockMode {
f.lock.Lock()
defer f.lock.Unlock()
}
if len(name) == 0 {
name = DEFAULT_SECTION
}
for i, s := range f.sectionList {
if s == name {
f.sectionList = append(f.sectionList[:i], f.sectionList[i+1:]...)
delete(f.sections, name)
return
}
}
}
func (f *File) reload(s dataSource) error {
r, err := s.ReadCloser()
if err != nil {
return err
}
defer r.Close()
return f.parse(r)
}
// Reload reloads and parses all data sources.
func (f *File) Reload() (err error) {
for _, s := range f.dataSources {
if err = f.reload(s); err != nil {
// In loose mode, we create an empty default section for nonexistent files.
if os.IsNotExist(err) && f.options.Loose {
f.parse(bytes.NewBuffer(nil))
continue
}
return err
}
}
return nil
}
// Append appends one or more data sources and reloads automatically.
func (f *File) Append(source interface{}, others ...interface{}) error {
ds, err := parseDataSource(source)
if err != nil {
return err
}
f.dataSources = append(f.dataSources, ds)
for _, s := range others {
ds, err = parseDataSource(s)
if err != nil {
return err
}
f.dataSources = append(f.dataSources, ds)
}
return f.Reload()
}
// WriteToIndent writes content into io.Writer with given indention.
// If PrettyFormat has been set to be true,
// it will align "=" sign with spaces under each section.
func (f *File) WriteToIndent(w io.Writer, indent string) (n int64, err error) {
equalSign := "="
if PrettyFormat {
equalSign = " = "
}
// Use buffer to make sure target is safe until finish encoding.
buf := bytes.NewBuffer(nil)
for i, sname := range f.sectionList {
sec := f.Section(sname)
if len(sec.Comment) > 0 {
if sec.Comment[0] != '#' && sec.Comment[0] != ';' {
sec.Comment = "; " + sec.Comment
}
if _, err = buf.WriteString(sec.Comment + LineBreak); err != nil {
return 0, err
}
}
if i > 0 || DefaultHeader {
if _, err = buf.WriteString("[" + sname + "]" + LineBreak); err != nil {
return 0, err
}
} else {
// Write nothing if default section is empty
if len(sec.keyList) == 0 {
continue
}
}
if sec.isRawSection {
if _, err = buf.WriteString(sec.rawBody); err != nil {
return 0, err
}
continue
}
// Count and generate alignment length and buffer spaces using the
// longest key. Keys may be modifed if they contain certain characters so
// we need to take that into account in our calculation.
alignLength := 0
if PrettyFormat {
for _, kname := range sec.keyList {
keyLength := len(kname)
// First case will surround key by ` and second by """
if strings.ContainsAny(kname, "\"=:") {
keyLength += 2
} else if strings.Contains(kname, "`") {
keyLength += 6
}
if keyLength > alignLength {
alignLength = keyLength
}
}
}
alignSpaces := bytes.Repeat([]byte(" "), alignLength)
KEY_LIST:
for _, kname := range sec.keyList {
key := sec.Key(kname)
if len(key.Comment) > 0 {
if len(indent) > 0 && sname != DEFAULT_SECTION {
buf.WriteString(indent)
}
if key.Comment[0] != '#' && key.Comment[0] != ';' {
key.Comment = "; " + key.Comment
}
if _, err = buf.WriteString(key.Comment + LineBreak); err != nil {
return 0, err
}
}
if len(indent) > 0 && sname != DEFAULT_SECTION {
buf.WriteString(indent)
}
switch {
case key.isAutoIncrement:
kname = "-"
case strings.ContainsAny(kname, "\"=:"):
kname = "`" + kname + "`"
case strings.Contains(kname, "`"):
kname = `"""` + kname + `"""`
}
for _, val := range key.ValueWithShadows() {
if _, err = buf.WriteString(kname); err != nil {
return 0, err
}
if key.isBooleanType {
if kname != sec.keyList[len(sec.keyList)-1] {
buf.WriteString(LineBreak)
}
continue KEY_LIST
}
// Write out alignment spaces before "=" sign
if PrettyFormat {
buf.Write(alignSpaces[:alignLength-len(kname)])
}
// In case key value contains "\n", "`", "\"", "#" or ";"
if strings.ContainsAny(val, "\n`") {
val = `"""` + val + `"""`
} else if !f.options.IgnoreInlineComment && strings.ContainsAny(val, "#;") {
val = "`" + val + "`"
}
if _, err = buf.WriteString(equalSign + val + LineBreak); err != nil {
return 0, err
}
}
}
if PrettySection {
// Put a line between sections
if _, err = buf.WriteString(LineBreak); err != nil {
return 0, err
}
}
}
return buf.WriteTo(w)
}
// WriteTo writes file content into io.Writer.
func (f *File) WriteTo(w io.Writer) (int64, error) {
return f.WriteToIndent(w, "")
}
// SaveToIndent writes content to file system with given value indention.
func (f *File) SaveToIndent(filename, indent string) error {
// Note: Because we are truncating with os.Create,
// so it's safer to save to a temporary file location and rename afte done.
tmpPath := filename + "." + strconv.Itoa(time.Now().Nanosecond()) + ".tmp"
defer os.Remove(tmpPath)
fw, err := os.Create(tmpPath)
if err != nil {
return err
}
if _, err = f.WriteToIndent(fw, indent); err != nil {
fw.Close()
return err
}
fw.Close()
// Remove old file and rename the new one.
os.Remove(filename)
return os.Rename(tmpPath, filename)
}
// SaveTo writes content to file system.
func (f *File) SaveTo(filename string) error {
return f.SaveToIndent(filename, "")
}

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// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package ini
import (
"bytes"
"io/ioutil"
"strings"
"testing"
"time"
. "github.com/smartystreets/goconvey/convey"
)
func Test_Version(t *testing.T) {
Convey("Get version", t, func() {
So(Version(), ShouldEqual, _VERSION)
})
}
const _CONF_DATA = `
; Package name
NAME = ini
; Package version
VERSION = v1
; Package import path
IMPORT_PATH = gopkg.in/%(NAME)s.%(VERSION)s
# Information about package author
# Bio can be written in multiple lines.
[author]
NAME = Unknwon ; Succeeding comment
E-MAIL = fake@localhost
GITHUB = https://github.com/%(NAME)s
BIO = """Gopher.
Coding addict.
Good man.
""" # Succeeding comment
[package]
CLONE_URL = https://%(IMPORT_PATH)s
[package.sub]
UNUSED_KEY = should be deleted
[features]
-: Support read/write comments of keys and sections
-: Support auto-increment of key names
-: Support load multiple files to overwrite key values
[types]
STRING = str
BOOL = true
BOOL_FALSE = false
FLOAT64 = 1.25
INT = 10
TIME = 2015-01-01T20:17:05Z
DURATION = 2h45m
UINT = 3
[array]
STRINGS = en, zh, de
FLOAT64S = 1.1, 2.2, 3.3
INTS = 1, 2, 3
UINTS = 1, 2, 3
TIMES = 2015-01-01T20:17:05Z,2015-01-01T20:17:05Z,2015-01-01T20:17:05Z
[note]
empty_lines = next line is empty\
; Comment before the section
[comments] ; This is a comment for the section too
; Comment before key
key = "value"
key2 = "value2" ; This is a comment for key2
key3 = "one", "two", "three"
[advance]
value with quotes = "some value"
value quote2 again = 'some value'
includes comment sign = ` + "`" + "my#password" + "`" + `
includes comment sign2 = ` + "`" + "my;password" + "`" + `
true = 2+3=5
"1+1=2" = true
"""6+1=7""" = true
"""` + "`" + `5+5` + "`" + `""" = 10
` + "`" + `"6+6"` + "`" + ` = 12
` + "`" + `7-2=4` + "`" + ` = false
ADDRESS = ` + "`" + `404 road,
NotFound, State, 50000` + "`" + `
two_lines = how about \
continuation lines?
lots_of_lines = 1 \
2 \
3 \
4 \
`
func Test_Load(t *testing.T) {
Convey("Load from data sources", t, func() {
Convey("Load with empty data", func() {
So(Empty(), ShouldNotBeNil)
})
Convey("Load with multiple data sources", func() {
cfg, err := Load([]byte(_CONF_DATA), "testdata/conf.ini", ioutil.NopCloser(bytes.NewReader([]byte(_CONF_DATA))))
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
f, err := Load([]byte(_CONF_DATA), "testdata/404.ini")
So(err, ShouldNotBeNil)
So(f, ShouldBeNil)
})
Convey("Load with io.ReadCloser", func() {
cfg, err := Load(ioutil.NopCloser(bytes.NewReader([]byte(_CONF_DATA))))
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
So(cfg.Section("").Key("NAME").String(), ShouldEqual, "ini")
})
})
Convey("Bad load process", t, func() {
Convey("Load from invalid data sources", func() {
_, err := Load(_CONF_DATA)
So(err, ShouldNotBeNil)
f, err := Load("testdata/404.ini")
So(err, ShouldNotBeNil)
So(f, ShouldBeNil)
_, err = Load(1)
So(err, ShouldNotBeNil)
_, err = Load([]byte(""), 1)
So(err, ShouldNotBeNil)
})
Convey("Load with bad section name", func() {
_, err := Load([]byte("[]"))
So(err, ShouldNotBeNil)
_, err = Load([]byte("["))
So(err, ShouldNotBeNil)
})
Convey("Load with bad keys", func() {
_, err := Load([]byte(`"""name`))
So(err, ShouldNotBeNil)
_, err = Load([]byte(`"""name"""`))
So(err, ShouldNotBeNil)
_, err = Load([]byte(`""=1`))
So(err, ShouldNotBeNil)
_, err = Load([]byte(`=`))
So(err, ShouldNotBeNil)
_, err = Load([]byte(`name`))
So(err, ShouldNotBeNil)
})
Convey("Load with bad values", func() {
_, err := Load([]byte(`name="""Unknwon`))
So(err, ShouldNotBeNil)
})
})
Convey("Get section and key insensitively", t, func() {
cfg, err := InsensitiveLoad([]byte(_CONF_DATA), "testdata/conf.ini")
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
sec, err := cfg.GetSection("Author")
So(err, ShouldBeNil)
So(sec, ShouldNotBeNil)
key, err := sec.GetKey("E-mail")
So(err, ShouldBeNil)
So(key, ShouldNotBeNil)
})
Convey("Load with ignoring continuation lines", t, func() {
cfg, err := LoadSources(LoadOptions{IgnoreContinuation: true}, []byte(`key1=a\b\
key2=c\d\`))
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
So(cfg.Section("").Key("key1").String(), ShouldEqual, `a\b\`)
So(cfg.Section("").Key("key2").String(), ShouldEqual, `c\d\`)
})
Convey("Load with ignoring inline comments", t, func() {
cfg, err := LoadSources(LoadOptions{IgnoreInlineComment: true}, []byte(`key1=value ;comment
key2=value #comment2`))
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
So(cfg.Section("").Key("key1").String(), ShouldEqual, `value ;comment`)
So(cfg.Section("").Key("key2").String(), ShouldEqual, `value #comment2`)
var buf bytes.Buffer
cfg.WriteTo(&buf)
So(buf.String(), ShouldEqual, `key1 = value ;comment
key2 = value #comment2
`)
})
Convey("Load with boolean type keys", t, func() {
cfg, err := LoadSources(LoadOptions{AllowBooleanKeys: true}, []byte(`key1=hello
key2
#key3
key4
key5`))
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
So(strings.Join(cfg.Section("").KeyStrings(), ","), ShouldEqual, "key1,key2,key4,key5")
So(cfg.Section("").Key("key2").MustBool(false), ShouldBeTrue)
var buf bytes.Buffer
cfg.WriteTo(&buf)
// there is always a trailing \n at the end of the section
So(buf.String(), ShouldEqual, `key1 = hello
key2
#key3
key4
key5
`)
})
}
func Test_File_ChildSections(t *testing.T) {
Convey("Find child sections by parent name", t, func() {
cfg, err := Load([]byte(`
[node]
[node.biz1]
[node.biz2]
[node.biz3]
[node.bizN]
`))
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
children := cfg.ChildSections("node")
names := make([]string, len(children))
for i := range children {
names[i] = children[i].name
}
So(strings.Join(names, ","), ShouldEqual, "node.biz1,node.biz2,node.biz3,node.bizN")
})
}
func Test_LooseLoad(t *testing.T) {
Convey("Loose load from data sources", t, func() {
Convey("Loose load mixed with nonexistent file", func() {
cfg, err := LooseLoad("testdata/404.ini")
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
var fake struct {
Name string `ini:"name"`
}
So(cfg.MapTo(&fake), ShouldBeNil)
cfg, err = LooseLoad([]byte("name=Unknwon"), "testdata/404.ini")
So(err, ShouldBeNil)
So(cfg.Section("").Key("name").String(), ShouldEqual, "Unknwon")
So(cfg.MapTo(&fake), ShouldBeNil)
So(fake.Name, ShouldEqual, "Unknwon")
})
})
}
func Test_File_Append(t *testing.T) {
Convey("Append data sources", t, func() {
cfg, err := Load([]byte(""))
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
So(cfg.Append([]byte(""), []byte("")), ShouldBeNil)
Convey("Append bad data sources", func() {
So(cfg.Append(1), ShouldNotBeNil)
So(cfg.Append([]byte(""), 1), ShouldNotBeNil)
})
})
}
func Test_File_WriteTo(t *testing.T) {
Convey("Write to somewhere", t, func() {
var buf bytes.Buffer
cfg := Empty()
cfg.WriteTo(&buf)
})
}
func Test_File_SaveTo_WriteTo(t *testing.T) {
Convey("Save file", t, func() {
cfg, err := Load([]byte(_CONF_DATA), "testdata/conf.ini")
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
cfg.Section("").Key("NAME").Comment = "Package name"
cfg.Section("author").Comment = `Information about package author
# Bio can be written in multiple lines.`
cfg.Section("advanced").Key("val w/ pound").SetValue("my#password")
cfg.Section("advanced").Key("longest key has a colon : yes/no").SetValue("yes")
So(cfg.SaveTo("testdata/conf_out.ini"), ShouldBeNil)
cfg.Section("author").Key("NAME").Comment = "This is author name"
So(cfg.SaveToIndent("testdata/conf_out.ini", "\t"), ShouldBeNil)
var buf bytes.Buffer
_, err = cfg.WriteToIndent(&buf, "\t")
So(err, ShouldBeNil)
So(buf.String(), ShouldEqual, `; Package name
NAME = ini
; Package version
VERSION = v1
; Package import path
IMPORT_PATH = gopkg.in/%(NAME)s.%(VERSION)s
; Information about package author
# Bio can be written in multiple lines.
[author]
; This is author name
NAME = Unknwon
E-MAIL = u@gogs.io
GITHUB = https://github.com/%(NAME)s
# Succeeding comment
BIO = """Gopher.
Coding addict.
Good man.
"""
[package]
CLONE_URL = https://%(IMPORT_PATH)s
[package.sub]
UNUSED_KEY = should be deleted
[features]
- = Support read/write comments of keys and sections
- = Support auto-increment of key names
- = Support load multiple files to overwrite key values
[types]
STRING = str
BOOL = true
BOOL_FALSE = false
FLOAT64 = 1.25
INT = 10
TIME = 2015-01-01T20:17:05Z
DURATION = 2h45m
UINT = 3
[array]
STRINGS = en, zh, de
FLOAT64S = 1.1, 2.2, 3.3
INTS = 1, 2, 3
UINTS = 1, 2, 3
TIMES = 2015-01-01T20:17:05Z,2015-01-01T20:17:05Z,2015-01-01T20:17:05Z
[note]
empty_lines = next line is empty
; Comment before the section
; This is a comment for the section too
[comments]
; Comment before key
key = value
; This is a comment for key2
key2 = value2
key3 = "one", "two", "three"
[advance]
value with quotes = some value
value quote2 again = some value
includes comment sign = `+"`"+"my#password"+"`"+`
includes comment sign2 = `+"`"+"my;password"+"`"+`
true = 2+3=5
`+"`"+`1+1=2`+"`"+` = true
`+"`"+`6+1=7`+"`"+` = true
"""`+"`"+`5+5`+"`"+`""" = 10
`+"`"+`"6+6"`+"`"+` = 12
`+"`"+`7-2=4`+"`"+` = false
ADDRESS = """404 road,
NotFound, State, 50000"""
two_lines = how about continuation lines?
lots_of_lines = 1 2 3 4
[advanced]
val w/ pound = `+"`"+`my#password`+"`"+`
`+"`"+`longest key has a colon : yes/no`+"`"+` = yes
`)
})
}
func Test_File_WriteTo_SectionRaw(t *testing.T) {
Convey("Write a INI with a raw section", t, func() {
var buf bytes.Buffer
cfg, err := LoadSources(
LoadOptions{
UnparseableSections: []string{"CORE_LESSON", "COMMENTS"},
},
"testdata/aicc.ini")
So(err, ShouldBeNil)
So(cfg, ShouldNotBeNil)
cfg.WriteToIndent(&buf, "\t")
So(buf.String(), ShouldEqual, `[Core]
Lesson_Location = 87
Lesson_Status = C
Score = 3
Time = 00:02:30
[CORE_LESSON]
my lesson state data – 1111111111111111111000000000000000001110000
111111111111111111100000000000111000000000 – end my lesson state data
[COMMENTS]
<1><L.Slide#2> This slide has the fuel listed in the wrong units <e.1>
`)
})
}
// Helpers for slice tests.
func float64sEqual(values []float64, expected ...float64) {
So(values, ShouldHaveLength, len(expected))
for i, v := range expected {
So(values[i], ShouldEqual, v)
}
}
func intsEqual(values []int, expected ...int) {
So(values, ShouldHaveLength, len(expected))
for i, v := range expected {
So(values[i], ShouldEqual, v)
}
}
func int64sEqual(values []int64, expected ...int64) {
So(values, ShouldHaveLength, len(expected))
for i, v := range expected {
So(values[i], ShouldEqual, v)
}
}
func uintsEqual(values []uint, expected ...uint) {
So(values, ShouldHaveLength, len(expected))
for i, v := range expected {
So(values[i], ShouldEqual, v)
}
}
func uint64sEqual(values []uint64, expected ...uint64) {
So(values, ShouldHaveLength, len(expected))
for i, v := range expected {
So(values[i], ShouldEqual, v)
}
}
func timesEqual(values []time.Time, expected ...time.Time) {
So(values, ShouldHaveLength, len(expected))
for i, v := range expected {
So(values[i].String(), ShouldEqual, v.String())
}
}

699
vendor/github.com/go-ini/ini/key.go generated vendored Normal file
View file

@ -0,0 +1,699 @@
// Copyright 2014 Unknwon
//
// Licensed under the Apache License, Version 2.0 (the "License"): you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package ini
import (
"errors"
"fmt"
"strconv"
"strings"
"time"
)
// Key represents a key under a section.
type Key struct {
s *Section
name string
value string
isAutoIncrement bool
isBooleanType bool
isShadow bool
shadows []*Key
Comment string
}
// newKey simply return a key object with given values.
func newKey(s *Section, name, val string) *Key {
return &Key{
s: s,
name: name,
value: val,
}
}
func (k *Key) addShadow(val string) error {
if k.isShadow {
return errors.New("cannot add shadow to another shadow key")
} else if k.isAutoIncrement || k.isBooleanType {
return errors.New("cannot add shadow to auto-increment or boolean key")
}
shadow := newKey(k.s, k.name, val)
shadow.isShadow = true
k.shadows = append(k.shadows, shadow)
return nil
}
// AddShadow adds a new shadow key to itself.
func (k *Key) AddShadow(val string) error {
if !k.s.f.options.AllowShadows {
return errors.New("shadow key is not allowed")
}
return k.addShadow(val)
}
// ValueMapper represents a mapping function for values, e.g. os.ExpandEnv
type ValueMapper func(string) string
// Name returns name of key.
func (k *Key) Name() string {
return k.name
}
// Value returns raw value of key for performance purpose.
func (k *Key) Value() string {
return k.value
}
// ValueWithShadows returns raw values of key and its shadows if any.
func (k *Key) ValueWithShadows() []string {
if len(k.shadows) == 0 {
return []string{k.value}
}
vals := make([]string, len(k.shadows)+1)
vals[0] = k.value
for i := range k.shadows {
vals[i+1] = k.shadows[i].value
}
return vals
}
// transformValue takes a raw value and transforms to its final string.
func (k *Key) transformValue(val string) string {
if k.s.f.ValueMapper != nil {
val = k.s.f.ValueMapper(val)
}
// Fail-fast if no indicate char found for recursive value
if !strings.Contains(val, "%") {
return val
}
for i := 0; i < _DEPTH_VALUES; i++ {
vr := varPattern.FindString(val)
if len(vr) == 0 {
break
}
// Take off leading '%(' and trailing ')s'.
noption := strings.TrimLeft(vr, "%(")
noption = strings.TrimRight(noption, ")s")
// Search in the same section.
nk, err := k.s.GetKey(noption)
if err != nil {
// Search again in default section.
nk, _ = k.s.f.Section("").GetKey(noption)
}
// Substitute by new value and take off leading '%(' and trailing ')s'.
val = strings.Replace(val, vr, nk.value, -1)
}
return val
}
// String returns string representation of value.
func (k *Key) String() string {
return k.transformValue(k.value)
}
// Validate accepts a validate function which can
// return modifed result as key value.
func (k *Key) Validate(fn func(string) string) string {
return fn(k.String())
}
// parseBool returns the boolean value represented by the string.
//
// It accepts 1, t, T, TRUE, true, True, YES, yes, Yes, y, ON, on, On,
// 0, f, F, FALSE, false, False, NO, no, No, n, OFF, off, Off.
// Any other value returns an error.
func parseBool(str string) (value bool, err error) {
switch str {
case "1", "t", "T", "true", "TRUE", "True", "YES", "yes", "Yes", "y", "ON", "on", "On":
return true, nil
case "0", "f", "F", "false", "FALSE", "False", "NO", "no", "No", "n", "OFF", "off", "Off":
return false, nil
}
return false, fmt.Errorf("parsing \"%s\": invalid syntax", str)
}
// Bool returns bool type value.
func (k *Key) Bool() (bool, error) {
return parseBool(k.String())
}
// Float64 returns float64 type value.
func (k *Key) Float64() (float64, error) {
return strconv.ParseFloat(k.String(), 64)
}
// Int returns int type value.
func (k *Key) Int() (int, error) {
return strconv.Atoi(k.String())
}
// Int64 returns int64 type value.
func (k *Key) Int64() (int64, error) {
return strconv.ParseInt(k.String(), 10, 64)
}
// Uint returns uint type valued.
func (k *Key) Uint() (uint, error) {
u, e := strconv.ParseUint(k.String(), 10, 64)
return uint(u), e
}
// Uint64 returns uint64 type value.
func (k *Key) Uint64() (uint64, error) {
return strconv.ParseUint(k.String(), 10, 64)
}
// Duration returns time.Duration type value.
func (k *Key) Duration() (time.Duration, error) {
return time.ParseDuration(k.String())
}
// TimeFormat parses with given format and returns time.Time type value.
func (k *Key) TimeFormat(format string) (time.Time, error) {
return time.Parse(format, k.String())
}
// Time parses with RFC3339 format and returns time.Time type value.
func (k *Key) Time() (time.Time, error) {
return k.TimeFormat(time.RFC3339)
}
// MustString returns default value if key value is empty.
func (k *Key) MustString(defaultVal string) string {
val := k.String()
if len(val) == 0 {
k.value = defaultVal
return defaultVal
}
return val
}
// MustBool always returns value without error,
// it returns false if error occurs.
func (k *Key) MustBool(defaultVal ...bool) bool {
val, err := k.Bool()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatBool(defaultVal[0])
return defaultVal[0]
}
return val
}
// MustFloat64 always returns value without error,
// it returns 0.0 if error occurs.
func (k *Key) MustFloat64(defaultVal ...float64) float64 {
val, err := k.Float64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatFloat(defaultVal[0], 'f', -1, 64)
return defaultVal[0]
}
return val
}
// MustInt always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustInt(defaultVal ...int) int {
val, err := k.Int()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatInt(int64(defaultVal[0]), 10)
return defaultVal[0]
}
return val
}
// MustInt64 always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustInt64(defaultVal ...int64) int64 {
val, err := k.Int64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatInt(defaultVal[0], 10)
return defaultVal[0]
}
return val
}
// MustUint always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustUint(defaultVal ...uint) uint {
val, err := k.Uint()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatUint(uint64(defaultVal[0]), 10)
return defaultVal[0]
}
return val
}
// MustUint64 always returns value without error,
// it returns 0 if error occurs.
func (k *Key) MustUint64(defaultVal ...uint64) uint64 {
val, err := k.Uint64()
if len(defaultVal) > 0 && err != nil {
k.value = strconv.FormatUint(defaultVal[0], 10)
return defaultVal[0]
}
return val
}
// MustDuration always returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustDuration(defaultVal ...time.Duration) time.Duration {
val, err := k.Duration()
if len(defaultVal) > 0 && err != nil {
k.value = defaultVal[0].String()
return defaultVal[0]
}
return val
}
// MustTimeFormat always parses with given format and returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustTimeFormat(format string, defaultVal ...time.Time) time.Time {
val, err := k.TimeFormat(format)
if len(defaultVal) > 0 && err != nil {
k.value = defaultVal[0].Format(format)
return defaultVal[0]
}
return val
}
// MustTime always parses with RFC3339 format and returns value without error,
// it returns zero value if error occurs.
func (k *Key) MustTime(defaultVal ...time.Time) time.Time {
return k.MustTimeFormat(time.RFC3339, defaultVal...)
}
// In always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) In(defaultVal string, candidates []string) string {
val := k.String()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InFloat64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InFloat64(defaultVal float64, candidates []float64) float64 {
val := k.MustFloat64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InInt always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InInt(defaultVal int, candidates []int) int {
val := k.MustInt()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InInt64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InInt64(defaultVal int64, candidates []int64) int64 {
val := k.MustInt64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InUint always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InUint(defaultVal uint, candidates []uint) uint {
val := k.MustUint()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InUint64 always returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InUint64(defaultVal uint64, candidates []uint64) uint64 {
val := k.MustUint64()
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InTimeFormat always parses with given format and returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InTimeFormat(format string, defaultVal time.Time, candidates []time.Time) time.Time {
val := k.MustTimeFormat(format)
for _, cand := range candidates {
if val == cand {
return val
}
}
return defaultVal
}
// InTime always parses with RFC3339 format and returns value without error,
// it returns default value if error occurs or doesn't fit into candidates.
func (k *Key) InTime(defaultVal time.Time, candidates []time.Time) time.Time {
return k.InTimeFormat(time.RFC3339, defaultVal, candidates)
}
// RangeFloat64 checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeFloat64(defaultVal, min, max float64) float64 {
val := k.MustFloat64()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeInt checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeInt(defaultVal, min, max int) int {
val := k.MustInt()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeInt64 checks if value is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeInt64(defaultVal, min, max int64) int64 {
val := k.MustInt64()
if val < min || val > max {
return defaultVal
}
return val
}
// RangeTimeFormat checks if value with given format is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeTimeFormat(format string, defaultVal, min, max time.Time) time.Time {
val := k.MustTimeFormat(format)
if val.Unix() < min.Unix() || val.Unix() > max.Unix() {
return defaultVal
}
return val
}
// RangeTime checks if value with RFC3339 format is in given range inclusively,
// and returns default value if it's not.
func (k *Key) RangeTime(defaultVal, min, max time.Time) time.Time {
return k.RangeTimeFormat(time.RFC3339, defaultVal, min, max)
}
// Strings returns list of string divided by given delimiter.
func (k *Key) Strings(delim string) []string {
str := k.String()
if len(str) == 0 {
return []string{}
}
vals := strings.Split(str, delim)
for i := range vals {
// vals[i] = k.transformValue(strings.TrimSpace(vals[i]))
vals[i] = strings.TrimSpace(vals[i])
}
return vals
}
// StringsWithShadows returns list of string divided by given delimiter.
// Shadows will also be appended if any.
func (k *Key) StringsWithShadows(delim string) []string {
vals := k.ValueWithShadows()
results := make([]string, 0, len(vals)*2)
for i := range vals {
if len(vals) == 0 {
continue
}
results = append(results, strings.Split(vals[i], delim)...)
}
for i := range results {
results[i] = k.transformValue(strings.TrimSpace(results[i]))
}
return results
}
// Float64s returns list of float64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Float64s(delim string) []float64 {
vals, _ := k.parseFloat64s(k.Strings(delim), true, false)
return vals
}
// Ints returns list of int divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Ints(delim string) []int {
vals, _ := k.parseInts(k.Strings(delim), true, false)
return vals
}
// Int64s returns list of int64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Int64s(delim string) []int64 {
vals, _ := k.parseInt64s(k.Strings(delim), true, false)
return vals
}
// Uints returns list of uint divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Uints(delim string) []uint {
vals, _ := k.parseUints(k.Strings(delim), true, false)
return vals
}
// Uint64s returns list of uint64 divided by given delimiter. Any invalid input will be treated as zero value.
func (k *Key) Uint64s(delim string) []uint64 {
vals, _ := k.parseUint64s(k.Strings(delim), true, false)
return vals
}
// TimesFormat parses with given format and returns list of time.Time divided by given delimiter.
// Any invalid input will be treated as zero value (0001-01-01 00:00:00 +0000 UTC).
func (k *Key) TimesFormat(format, delim string) []time.Time {
vals, _ := k.parseTimesFormat(format, k.Strings(delim), true, false)
return vals
}
// Times parses with RFC3339 format and returns list of time.Time divided by given delimiter.
// Any invalid input will be treated as zero value (0001-01-01 00:00:00 +0000 UTC).
func (k *Key) Times(delim string) []time.Time {
return k.TimesFormat(time.RFC3339, delim)
}
// ValidFloat64s returns list of float64 divided by given delimiter. If some value is not float, then
// it will not be included to result list.
func (k *Key) ValidFloat64s(delim string) []float64 {
vals, _ := k.parseFloat64s(k.Strings(delim), false, false)
return vals
}
// ValidInts returns list of int divided by given delimiter. If some value is not integer, then it will
// not be included to result list.
func (k *Key) ValidInts(delim string) []int {
vals, _ := k.parseInts(k.Strings(delim), false, false)
return vals
}
// ValidInt64s returns list of int64 divided by given delimiter. If some value is not 64-bit integer,
// then it will not be included to result list.
func (k *Key) ValidInt64s(delim string) []int64 {
vals, _ := k.parseInt64s(k.Strings(delim), false, false)
return vals
}
// ValidUints returns list of uint divided by given delimiter. If some value is not unsigned integer,
// then it will not be included to result list.
func (k *Key) ValidUints(delim string) []uint {
vals, _ := k.parseUints(k.Strings(delim), false, false)
return vals
}
// ValidUint64s returns list of uint64 divided by given delimiter. If some value is not 64-bit unsigned
// integer, then it will not be included to result list.
func (k *Key) ValidUint64s(delim string) []uint64 {
vals, _ := k.parseUint64s(k.Strings(delim), false, false)
return vals
}
// ValidTimesFormat parses with given format and returns list of time.Time divided by given delimiter.
func (k *Key) ValidTimesFormat(format, delim string) []time.Time {
vals, _ := k.parseTimesFormat(format, k.Strings(delim), false, false)
return vals
}
// ValidTimes parses with RFC3339 format and returns list of time.Time divided by given delimiter.
func (k *Key) ValidTimes(delim string) []time.Time {
return k.ValidTimesFormat(time.RFC3339, delim)
}
// StrictFloat64s returns list of float64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictFloat64s(delim string) ([]float64, error) {
return k.parseFloat64s(k.Strings(delim), false, true)
}
// StrictInts returns list of int divided by given delimiter or error on first invalid input.
func (k *Key) StrictInts(delim string) ([]int, error) {
return k.parseInts(k.Strings(delim), false, true)
}
// StrictInt64s returns list of int64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictInt64s(delim string) ([]int64, error) {
return k.parseInt64s(k.Strings(delim), false, true)
}
// StrictUints returns list of uint divided by given delimiter or error on first invalid input.
func (k *Key) StrictUints(delim string) ([]uint, error) {
return k.parseUints(k.Strings(delim), false, true)
}
// StrictUint64s returns list of uint64 divided by given delimiter or error on first invalid input.
func (k *Key) StrictUint64s(delim string) ([]uint64, error) {
return k.parseUint64s(k.Strings(delim), false, true)
}
// StrictTimesFormat parses with given format and returns list of time.Time divided by given delimiter
// or error on first invalid input.
func (k *Key) StrictTimesFormat(format, delim string) ([]time.Time, error) {
return k.parseTimesFormat(format, k.Strings(delim), false, true)
}
// StrictTimes parses with RFC3339 format and returns list of time.Time divided by given delimiter
// or error on first invalid input.
func (k *Key) StrictTimes(delim string) ([]time.Time, error) {
return k.StrictTimesFormat(time.RFC3339, delim)
}
// parseFloat64s transforms strings to float64s.
func (k *Key) parseFloat64s(strs []string, addInvalid, returnOnInvalid bool) ([]float64, error) {
vals := make([]float64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseFloat(str, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// parseInts transforms strings to ints.
func (k *Key) parseInts(strs []string, addInvalid, returnOnInvalid bool) ([]int, error) {
vals := make([]int, 0, len(strs))
for _, str := range strs {
val, err := strconv.Atoi(str)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// parseInt64s transforms strings to int64s.
func (k *Key) parseInt64s(strs []string, addInvalid, returnOnInvalid bool) ([]int64, error) {
vals := make([]int64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseInt(str, 10, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// parseUints transforms strings to uints.
func (k *Key) parseUints(strs []string, addInvalid, returnOnInvalid bool) ([]uint, error) {
vals := make([]uint, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseUint(str, 10, 0)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, uint(val))
}
}
return vals, nil
}
// parseUint64s transforms strings to uint64s.
func (k *Key) parseUint64s(strs []string, addInvalid, returnOnInvalid bool) ([]uint64, error) {
vals := make([]uint64, 0, len(strs))
for _, str := range strs {
val, err := strconv.ParseUint(str, 10, 64)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// parseTimesFormat transforms strings to times in given format.
func (k *Key) parseTimesFormat(format string, strs []string, addInvalid, returnOnInvalid bool) ([]time.Time, error) {
vals := make([]time.Time, 0, len(strs))
for _, str := range strs {
val, err := time.Parse(format, str)
if err != nil && returnOnInvalid {
return nil, err
}
if err == nil || addInvalid {
vals = append(vals, val)
}
}
return vals, nil
}
// SetValue changes key value.
func (k *Key) SetValue(v string) {
if k.s.f.BlockMode {
k.s.f.lock.Lock()
defer k.s.f.lock.Unlock()
}
k.value = v
k.s.keysHash[k.name] = v
}

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