Merge branch 'master' into kms

This commit is contained in:
Mariano Cano 2020-01-28 15:49:54 -08:00
commit cbf1053255
7 changed files with 198 additions and 23 deletions

View file

@ -51,7 +51,7 @@ var (
challengeTable = []byte("acme_challenges")
nonceTable = []byte("nonces")
orderTable = []byte("acme_orders")
ordersByAccountIDTable = []byte("acme_account-orders-index")
ordersByAccountIDTable = []byte("acme_account_orders_index")
certTable = []byte("acme_certs")
)

View file

@ -385,11 +385,17 @@ func (dc *dns01Challenge) validate(db nosql.DB, jwk *jose.JSONWebKey, vo validat
return dc, nil
}
txtRecords, err := vo.lookupTxt("_acme-challenge." + dc.Value)
// Normalize domain for wildcard DNS names
// This is done to avoid making TXT lookups for domains like
// _acme-challenge.*.example.com
// Instead perform txt lookup for _acme-challenge.example.com
domain := strings.TrimPrefix(dc.Value, "*.")
txtRecords, err := vo.lookupTxt("_acme-challenge." + domain)
if err != nil {
if err = dc.storeError(db,
DNSErr(errors.Wrapf(err, "error looking up TXT "+
"records for domain %s", dc.Value))); err != nil {
"records for domain %s", domain))); err != nil {
return nil, err
}
return dc, nil

View file

@ -930,6 +930,47 @@ func TestDNS01Validate(t *testing.T) {
res: ch,
}
},
"ok/lookup-txt-wildcard": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)
_ch, ok := ch.(*dns01Challenge)
assert.Fatal(t, ok)
_ch.baseChallenge.Value = "*.zap.internal"
jwk, err := jose.GenerateJWK("EC", "P-256", "ES256", "sig", "", 0)
assert.FatalError(t, err)
expKeyAuth, err := KeyAuthorization(ch.getToken(), jwk)
assert.FatalError(t, err)
h := sha256.Sum256([]byte(expKeyAuth))
expected := base64.RawURLEncoding.EncodeToString(h[:])
baseClone := ch.clone()
baseClone.Status = StatusValid
baseClone.Error = nil
newCh := &dns01Challenge{baseClone}
return test{
ch: ch,
res: newCh,
vo: validateOptions{
lookupTxt: func(url string) ([]string, error) {
assert.Equals(t, url, "_acme-challenge.zap.internal")
return []string{"foo", expected}, nil
},
},
jwk: jwk,
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
dnsCh, err := unmarshalChallenge(newval)
assert.FatalError(t, err)
assert.Equals(t, dnsCh.getStatus(), StatusValid)
baseClone.Validated = dnsCh.getValidated()
return nil, true, nil
},
},
}
},
"fail/key-authorization-gen-error": func(t *testing.T) test {
ch, err := newDNSCh()
assert.FatalError(t, err)

View file

@ -4,7 +4,8 @@ import (
"context"
"crypto/x509"
"encoding/json"
"reflect"
"sort"
"strings"
"time"
"github.com/pkg/errors"
@ -253,17 +254,29 @@ func (o *order) finalize(db nosql.DB, csr *x509.CertificateRequest, auth SignAut
return nil, ServerInternalErr(errors.Errorf("unexpected status %s for order %s", o.Status, o.ID))
}
// Validate identifier names against CSR alternative names //
csrNames := make(map[string]int)
for _, n := range csr.DNSNames {
csrNames[n] = 1
// RFC8555: The CSR MUST indicate the exact same set of requested
// identifiers as the initial newOrder request. Identifiers of type "dns"
// MUST appear either in the commonName portion of the requested subject
// name or in an extensionRequest attribute [RFC2985] requesting a
// subjectAltName extension, or both.
if csr.Subject.CommonName != "" {
csr.DNSNames = append(csr.DNSNames, csr.Subject.CommonName)
}
orderNames := make(map[string]int)
for _, n := range o.Identifiers {
orderNames[n.Value] = 1
csr.DNSNames = uniqueLowerNames(csr.DNSNames)
orderNames := make([]string, len(o.Identifiers))
for i, n := range o.Identifiers {
orderNames[i] = n.Value
}
if !reflect.DeepEqual(csrNames, orderNames) {
return nil, BadCSRErr(errors.Errorf("CSR names do not match identifiers exactly"))
orderNames = uniqueLowerNames(orderNames)
// Validate identifier names against CSR alternative names.
if len(csr.DNSNames) != len(orderNames) {
return nil, BadCSRErr(errors.Errorf("CSR names do not match identifiers exactly: CSR names = %v, Order names = %v", csr.DNSNames, orderNames))
}
for i := range csr.DNSNames {
if csr.DNSNames[i] != orderNames[i] {
return nil, BadCSRErr(errors.Errorf("CSR names do not match identifiers exactly: CSR names = %v, Order names = %v", csr.DNSNames, orderNames))
}
}
// Get authorizations from the ACME provisioner.
@ -340,3 +353,19 @@ func (o *order) toACME(db nosql.DB, dir *directory, p provisioner.Interface) (*O
}
return ao, nil
}
// uniqueLowerNames returns the set of all unique names in the input after all
// of them are lowercased. The returned names will be in their lowercased form
// and sorted alphabetically.
func uniqueLowerNames(names []string) (unique []string) {
nameMap := make(map[string]int, len(names))
for _, name := range names {
nameMap[strings.ToLower(name)] = 1
}
unique = make([]string, 0, len(nameMap))
for name := range nameMap {
unique = append(unique, name)
}
sort.Strings(unique)
return
}

View file

@ -906,9 +906,9 @@ func TestOrderFinalize(t *testing.T) {
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "foo",
CommonName: "acme.example.com",
},
DNSNames: []string{"bar", "baz"},
DNSNames: []string{"acme.example.com", "fail.smallstep.com"},
}
return test{
o: o,
@ -923,9 +923,9 @@ func TestOrderFinalize(t *testing.T) {
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "acme.example.com",
CommonName: "",
},
DNSNames: []string{"step.example.com"},
DNSNames: []string{"acme.example.com"},
}
return test{
o: o,
@ -940,7 +940,7 @@ func TestOrderFinalize(t *testing.T) {
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "foo",
CommonName: "acme.example.com",
},
DNSNames: []string{"step.example.com", "acme.example.com"},
}
@ -962,7 +962,7 @@ func TestOrderFinalize(t *testing.T) {
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "foo",
CommonName: "acme.example.com",
},
DNSNames: []string{"step.example.com", "acme.example.com"},
}
@ -982,7 +982,7 @@ func TestOrderFinalize(t *testing.T) {
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "foo",
CommonName: "acme.example.com",
},
DNSNames: []string{"step.example.com", "acme.example.com"},
}
@ -1017,7 +1017,7 @@ func TestOrderFinalize(t *testing.T) {
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "acme",
CommonName: "acme.example.com",
},
DNSNames: []string{"acme.example.com", "step.example.com"},
}
@ -1057,7 +1057,7 @@ func TestOrderFinalize(t *testing.T) {
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "foo",
CommonName: "acme.example.com",
},
DNSNames: []string{"acme.example.com", "step.example.com"},
}
@ -1098,6 +1098,102 @@ func TestOrderFinalize(t *testing.T) {
},
}
},
"ok/ready/no-sans": func(t *testing.T) test {
o, err := newO()
assert.FatalError(t, err)
o.Status = StatusReady
o.Identifiers = []Identifier{
{Type: "dns", Value: "step.example.com"},
}
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "step.example.com",
},
}
crt := &x509.Certificate{
Subject: pkix.Name{
CommonName: "step.example.com",
},
DNSNames: []string{"step.example.com"},
}
inter := &x509.Certificate{
Subject: pkix.Name{
CommonName: "intermediate",
},
}
clone := *o
clone.Status = StatusValid
count := 0
return test{
o: o,
res: &clone,
csr: csr,
sa: &mockSignAuth{
sign: func(csr *x509.CertificateRequest, pops provisioner.Options, signOps ...provisioner.SignOption) ([]*x509.Certificate, error) {
assert.Equals(t, len(signOps), 4)
return []*x509.Certificate{crt, inter}, nil
},
},
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
if count == 0 {
clone.Certificate = string(key)
}
count++
return nil, true, nil
},
},
}
},
"ok/ready/sans-and-name": func(t *testing.T) test {
o, err := newO()
assert.FatalError(t, err)
o.Status = StatusReady
csr := &x509.CertificateRequest{
Subject: pkix.Name{
CommonName: "acme.example.com",
},
DNSNames: []string{"step.example.com"},
}
crt := &x509.Certificate{
Subject: pkix.Name{
CommonName: "acme.example.com",
},
DNSNames: []string{"acme.example.com", "step.example.com"},
}
inter := &x509.Certificate{
Subject: pkix.Name{
CommonName: "intermediate",
},
}
clone := *o
clone.Status = StatusValid
count := 0
return test{
o: o,
res: &clone,
csr: csr,
sa: &mockSignAuth{
sign: func(csr *x509.CertificateRequest, pops provisioner.Options, signOps ...provisioner.SignOption) ([]*x509.Certificate, error) {
assert.Equals(t, len(signOps), 4)
return []*x509.Certificate{crt, inter}, nil
},
},
db: &db.MockNoSQLDB{
MCmpAndSwap: func(bucket, key, old, newval []byte) ([]byte, bool, error) {
if count == 0 {
clone.Certificate = string(key)
}
count++
return nil, true, nil
},
},
}
},
}
for name, run := range tests {
t.Run(name, func(t *testing.T) {

2
go.mod
View file

@ -13,7 +13,7 @@ require (
github.com/rs/xid v1.2.1
github.com/sirupsen/logrus v1.4.2
github.com/smallstep/assert v0.0.0-20200103212524-b99dc1097b15
github.com/smallstep/cli v0.14.0-rc.1.0.20200127233252-e55637e57819
github.com/smallstep/cli v0.14.0-rc.1.0.20200128213701-65805ae554f6
github.com/smallstep/nosql v0.2.0
github.com/urfave/cli v1.22.2
golang.org/x/crypto v0.0.0-20191227163750-53104e6ec876

3
go.sum
View file

@ -445,6 +445,7 @@ github.com/smallstep/certificates v0.14.0-rc.1.0.20191217235337-aa5894058226/go.
github.com/smallstep/certificates v0.14.0-rc.1.0.20191218224459-1fa35491ea07/go.mod h1:eEtpedAL4inqaAx6ZqJnE4NOx1/GxDh6VQOmbs7CPf0=
github.com/smallstep/certificates v0.14.0-rc.1.0.20200110185849-085ae821636e/go.mod h1:weY9Os8g0yPfyxd+Zy1CTAwCb7YMqg/u5XnEagBN5Rk=
github.com/smallstep/certificates v0.14.0-rc.1.0.20200111012147-3ce267cdd6b7/go.mod h1:jljUh6mTvHOAqvIUvbD2L3Q/aqSpTI6HzJiNFQkj1Hc=
github.com/smallstep/certificates v0.14.0-rc.1.0.20200128212940-432ed0090f3d/go.mod h1:lWKe0ZOg45lNWtByxh82fOfzXwx93S0TeWzTCOjc19k=
github.com/smallstep/certinfo v0.0.0-20191008000228-b0e530932339/go.mod h1:n4YHPL9hJIyB+N4F2rPBy3mpPxMxTGJP5Pdsyaoc2Ns=
github.com/smallstep/certinfo v0.0.0-20191029235839-00563809d483/go.mod h1:xmx5n8+7jI0lrjTUwc8WMMqXeOHRyxYUW9U1wrvP3Vo=
github.com/smallstep/certinfo v1.0.0/go.mod h1:xmx5n8+7jI0lrjTUwc8WMMqXeOHRyxYUW9U1wrvP3Vo=
@ -471,6 +472,8 @@ github.com/smallstep/cli v0.14.0-rc.1.0.20200111011727-83a91ec8e405 h1:hvcnKc+fi
github.com/smallstep/cli v0.14.0-rc.1.0.20200111011727-83a91ec8e405/go.mod h1:MCvJvfMNtWCi/VBfXxP1JONqLLfF9TcBj1/t5Rqme90=
github.com/smallstep/cli v0.14.0-rc.1.0.20200127233252-e55637e57819 h1:mcYdBrClUMvGJn2mBlJNniXC69gyOZNbBwi0GL6++qo=
github.com/smallstep/cli v0.14.0-rc.1.0.20200127233252-e55637e57819/go.mod h1:SUBVVdOk5XI7yllSupRYHzN5y4MBo89X27CN4P0d+Jw=
github.com/smallstep/cli v0.14.0-rc.1.0.20200128213701-65805ae554f6 h1:Dh+Au3z44aSzZ+nNEr+9MAdenSqTjtFVrlxlzdoXBNs=
github.com/smallstep/cli v0.14.0-rc.1.0.20200128213701-65805ae554f6/go.mod h1:50kmsPMAiR9XD0jHZYY19fkSSD3mKF9ztQjgtTLefjU=
github.com/smallstep/nosql v0.1.1-0.20191009043502-4b26d8029e61 h1:XM3mkHNBc6bEQhrZNEma+iz63xrmRFfCocmAEObeg/s=
github.com/smallstep/nosql v0.1.1-0.20191009043502-4b26d8029e61/go.mod h1:MFhYHIE/0V7OOHjYzjnWHqySJ40PVbwhjy24UBkJI2g=
github.com/smallstep/nosql v0.1.1 h1:ijeE3CM00SddioodNl/LWRQINNNCK1dLUsjZDwpUbNg=