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[#264] object/get: Check parent address in linking/last child 

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
support/v0.27
Leonard Lyubich 2020-12-18 14:48:28 +03:00 committed by Leonard Lyubich
parent ec21040542
commit 66f9532857
4 changed files with 36 additions and 19 deletions
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1
go.sum
View File

@ -152,6 +152,7 @@ github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMyw
github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
github.com/google/martian v2.1.0+incompatible h1:/CP5g8u/VJHijgedC/Legn3BAbAaWPgecwXBIDzw5no=
github.com/google/martian v2.1.0+incompatible/go.mod h1:9I4somxYTbIHy5NJKHRl3wXiIaQGbYVAs8BPL6v8lEs=
github.com/google/pprof v0.0.0-20181206194817-3ea8567a2e57/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=
github.com/google/pprof v0.0.0-20190515194954-54271f7e092f/go.mod h1:zfwlbNMJ+OItoe0UupaVj+oy1omPYYDuagoSzA8v9mc=

19
pkg/services/object/get/assemble.go
View File

@ -26,7 +26,7 @@ func (exec *execCtx) assemble() {
if len(children) > 0 {
if exec.ctxRange() == nil {
if ok := exec.writeCollectedHeader(); ok {
exec.overtakePayloadDirectly(children, nil)
exec.overtakePayloadDirectly(children, nil, true)
}
} else {
// TODO: choose one-by-one restoring algorithm according to size
@ -59,7 +59,7 @@ func (exec *execCtx) initFromChild(id *objectSDK.ID) (prev *objectSDK.ID, childr
log.Debug("starting assembling from child")
child, ok := exec.getChild(id, nil)
child, ok := exec.getChild(id, nil, true)
if !ok {
return
}
@ -70,15 +70,6 @@ func (exec *execCtx) initFromChild(id *objectSDK.ID) (prev *objectSDK.ID, childr
log.Debug("received child with empty parent")
return
} else if !equalAddresses(par.Address(), exec.address()) {
exec.status = statusUndefined
log.Debug("parent address in child object differs",
zap.Stringer("expected", exec.address()),
zap.Stringer("received", par.Address()),
)
return
}
@ -122,7 +113,7 @@ func (exec *execCtx) initFromChild(id *objectSDK.ID) (prev *objectSDK.ID, childr
return child.PreviousID(), child.Children()
}
func (exec *execCtx) overtakePayloadDirectly(children []*objectSDK.ID, rngs []*objectSDK.Range) {
func (exec *execCtx) overtakePayloadDirectly(children []*objectSDK.ID, rngs []*objectSDK.Range, checkRight bool) {
withRng := len(rngs) > 0
for i := range children {
@ -131,7 +122,7 @@ func (exec *execCtx) overtakePayloadDirectly(children []*objectSDK.ID, rngs []*o
r = rngs[i]
}
child, ok := exec.getChild(children[i], r)
child, ok := exec.getChild(children[i], r, !withRng && checkRight)
if !ok {
return
}
@ -162,7 +153,7 @@ func (exec *execCtx) overtakePayloadInReverse(prev *objectSDK.ID) bool {
}
}
exec.overtakePayloadDirectly(chain, rngs)
exec.overtakePayloadDirectly(chain, rngs, false)
exec.status = statusOK
exec.err = nil

34
pkg/services/object/get/exec.go
View File

@ -3,6 +3,7 @@ package getsvc
import (
"context"
"crypto/ecdsa"
"errors"
"github.com/nspcc-dev/neofs-api-go/pkg/client"
"github.com/nspcc-dev/neofs-api-go/pkg/container"
@ -95,6 +96,11 @@ func (exec execCtx) address() *objectSDK.Address {
return exec.prm.Address()
}
func (exec execCtx) isChild(obj *object.Object) bool {
par := obj.GetParent()
return par != nil && equalAddresses(exec.address(), par.Address())
}
func (exec execCtx) key() *ecdsa.PrivateKey {
return exec.prm.common.PrivateKey()
}
@ -147,7 +153,7 @@ func (exec *execCtx) generateTraverser(addr *objectSDK.Address) (*placement.Trav
}
}
func (exec *execCtx) getChild(id *objectSDK.ID, rng *objectSDK.Range) (*object.Object, bool) {
func (exec *execCtx) getChild(id *objectSDK.ID, rng *objectSDK.Range, withHdr bool) (*object.Object, bool) {
w := NewSimpleObjectWriter()
p := exec.prm
@ -163,7 +169,17 @@ func (exec *execCtx) getChild(id *objectSDK.ID, rng *objectSDK.Range) (*object.O
exec.statusError = exec.svc.get(exec.context(), p.commonPrm, withPayloadRange(rng))
return w.Object(), exec.status == statusOK
child := w.Object()
ok := exec.status == statusOK
if ok && withHdr && !exec.isChild(child) {
exec.status = statusUndefined
exec.err = errors.New("wrong child header")
exec.log.Debug("parent address in child object differs")
}
return child, ok
}
func (exec *execCtx) headChild(id *objectSDK.ID) (*object.Object, bool) {
@ -196,10 +212,18 @@ func (exec *execCtx) headChild(id *objectSDK.ID) (*object.Object, bool) {
return nil, false
case err == nil:
exec.status = statusOK
exec.err = nil
child := w.Object()
return w.Object(), true
if child.ParentID() != nil && !exec.isChild(child) {
exec.status = statusUndefined
exec.log.Debug("parent address in child object differs")
} else {
exec.status = statusOK
exec.err = nil
}
return child, true
}
}

1
pkg/services/object/get/get_test.go
View File

@ -826,6 +826,7 @@ func TestGetRemoteSmall(t *testing.T) {
children, childIDs, payload := generateChain(2, cid)
srcObj.SetPayload(payload)
srcObj.SetPayloadSize(uint64(len(payload)))
children[len(children)-1].SetParent(srcObj.Object().SDK())
linkAddr := objectSDK.NewAddress()
linkAddr.SetContainerID(cid)