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Validate public key lengths on debug_ API endpoints (fixes #1113)

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This commit is contained in:
Neil Alexander 2023-12-03 17:55:12 +00:00
parent 6b6cd0bed5
commit 3dfa6d0cc9
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GPG Key ID: A02A2019A2BB0944
1 changed files with 12 additions and 9 deletions
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21
src/core/proto.go
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@ -251,15 +251,16 @@ func (p *protoHandler) getSelfHandler(in json.RawMessage) (interface{}, error) {
if kbs, err = hex.DecodeString(req.Key); err != nil {
return nil, err
}
if len(kbs) != ed25519.PublicKeySize {
return nil, fmt.Errorf("invalid public key length")
}
copy(key[:], kbs)
ch := make(chan []byte, 1)
p.sendGetSelfRequest(key, func(info []byte) {
ch <- info
})
timer := time.NewTimer(6 * time.Second)
defer timer.Stop()
select {
case <-timer.C:
case <-time.After(6 * time.Second):
return nil, errors.New("timeout")
case info := <-ch:
var msg json.RawMessage
@ -291,15 +292,16 @@ func (p *protoHandler) getPeersHandler(in json.RawMessage) (interface{}, error)
if kbs, err = hex.DecodeString(req.Key); err != nil {
return nil, err
}
if len(kbs) != ed25519.PublicKeySize {
return nil, fmt.Errorf("invalid public key length")
}
copy(key[:], kbs)
ch := make(chan []byte, 1)
p.sendGetPeersRequest(key, func(info []byte) {
ch <- info
})
timer := time.NewTimer(6 * time.Second)
defer timer.Stop()
select {
case <-timer.C:
case <-time.After(6 * time.Second):
return nil, errors.New("timeout")
case info := <-ch:
ks := make(map[string][]string)
@ -341,15 +343,16 @@ func (p *protoHandler) getTreeHandler(in json.RawMessage) (interface{}, error) {
if kbs, err = hex.DecodeString(req.Key); err != nil {
return nil, err
}
if len(kbs) != ed25519.PublicKeySize {
return nil, fmt.Errorf("invalid public key length")
}
copy(key[:], kbs)
ch := make(chan []byte, 1)
p.sendGetTreeRequest(key, func(info []byte) {
ch <- info
})
timer := time.NewTimer(6 * time.Second)
defer timer.Stop()
select {
case <-timer.C:
case <-time.After(6 * time.Second):
return nil, errors.New("timeout")
case info := <-ch:
ks := make(map[string][]string)