Fix Management and Signal gRPC client stream leak (#482)

This commit is contained in:
Misha Bragin
2022-09-26 18:02:20 +02:00
committed by GitHub
parent af69a48745
commit 051fd3a4d7
2 changed files with 17 additions and 12 deletions

View File

@@ -109,7 +109,9 @@ func (c *GrpcClient) Sync(msgHandler func(msg *proto.SyncResponse) error) error
return err
}
stream, err := c.connectToStream(*serverPubKey)
ctx, cancelStream := context.WithCancel(c.ctx)
defer cancelStream()
stream, err := c.connectToStream(ctx, *serverPubKey)
if err != nil {
log.Debugf("failed to open Management Service stream: %s", err)
if s, ok := gstatus.FromError(err); ok && s.Code() == codes.PermissionDenied {
@@ -145,7 +147,7 @@ func (c *GrpcClient) Sync(msgHandler func(msg *proto.SyncResponse) error) error
return nil
}
func (c *GrpcClient) connectToStream(serverPubKey wgtypes.Key) (proto.ManagementService_SyncClient, error) {
func (c *GrpcClient) connectToStream(ctx context.Context, serverPubKey wgtypes.Key) (proto.ManagementService_SyncClient, error) {
req := &proto.SyncRequest{}
myPrivateKey := c.key
@@ -156,9 +158,12 @@ func (c *GrpcClient) connectToStream(serverPubKey wgtypes.Key) (proto.Management
log.Errorf("failed encrypting message: %s", err)
return nil, err
}
syncReq := &proto.EncryptedMessage{WgPubKey: myPublicKey.String(), Body: encryptedReq}
return c.realClient.Sync(c.ctx, syncReq)
sync, err := c.realClient.Sync(ctx, syncReq)
if err != nil {
return nil, err
}
return sync, nil
}
func (c *GrpcClient) receiveEvents(stream proto.ManagementService_SyncClient, serverPubKey wgtypes.Key, msgHandler func(msg *proto.SyncResponse) error) error {