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Code Releases Activity

Handle CORS requests (#6289)

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This commit is contained in:
Tamal Saha
2019-05-13 08:38:53 -07:00
committed by techknowlogick
parent 6fb58a8cdc
commit 34d06f4c6b
170 changed files with 5220 additions and 2124 deletions
Download Patch File Download Diff File Expand all files Collapse all files

49
vendor/golang.org/x/crypto/ssh/agent/server.go generated vendored
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@@ -128,7 +128,14 @@ func (s *server) processRequest(data []byte) (interface{}, error) {
Blob: req.KeyBlob,
}
sig, err := s.agent.Sign(k, req.Data) // TODO(hanwen): flags.
var sig *ssh.Signature
var err error
if extendedAgent, ok := s.agent.(ExtendedAgent); ok {
sig, err = extendedAgent.SignWithFlags(k, req.Data, SignatureFlags(req.Flags))
} else {
sig, err = s.agent.Sign(k, req.Data)
}
if err != nil {
return nil, err
}
@@ -150,6 +157,43 @@ func (s *server) processRequest(data []byte) (interface{}, error) {
case agentAddIDConstrained, agentAddIdentity:
return nil, s.insertIdentity(data)
case agentExtension:
// Return a stub object where the whole contents of the response gets marshaled.
var responseStub struct {
Rest []byte `ssh:"rest"`
}
if extendedAgent, ok := s.agent.(ExtendedAgent); !ok {
// If this agent doesn't implement extensions, [PROTOCOL.agent] section 4.7
// requires that we return a standard SSH_AGENT_FAILURE message.
responseStub.Rest = []byte{agentFailure}
} else {
var req extensionAgentMsg
if err := ssh.Unmarshal(data, &req); err != nil {
return nil, err
}
res, err := extendedAgent.Extension(req.ExtensionType, req.Contents)
if err != nil {
// If agent extensions are unsupported, return a standard SSH_AGENT_FAILURE
// message as required by [PROTOCOL.agent] section 4.7.
if err == ErrExtensionUnsupported {
responseStub.Rest = []byte{agentFailure}
} else {
// As the result of any other error processing an extension request,
// [PROTOCOL.agent] section 4.7 requires that we return a
// SSH_AGENT_EXTENSION_FAILURE code.
responseStub.Rest = []byte{agentExtensionFailure}
}
} else {
if len(res) == 0 {
return nil, nil
}
responseStub.Rest = res
}
}
return responseStub, nil
}
return nil, fmt.Errorf("unknown opcode %d", data[0])
@@ -497,6 +541,9 @@ func ServeAgent(agent Agent, c io.ReadWriter) error {
return err
}
l := binary.BigEndian.Uint32(length[:])
if l == 0 {
return fmt.Errorf("agent: request size is 0")
}
if l > maxAgentResponseBytes {
// We also cap requests.
return fmt.Errorf("agent: request too large: %d", l)