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repaired potential null pointer in pull

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This commit is contained in:
0xdcarns 2021-10-08 09:09:54 -04:00
parent fb6bffd0b9
commit c2a4000126
1 changed files with 10 additions and 3 deletions
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13
netclient/functions/checkin.go
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@ -159,7 +159,6 @@ func Pull(network string, manual bool) (*models.Node, error) {
return nil, err
}
servercfg := cfg.Server
var header metadata.MD
if cfg.Node.IPForwarding == "yes" && !ncutils.IsWindows() {
if err = local.SetIPForwarding(); err != nil {
@ -167,7 +166,11 @@ func Pull(network string, manual bool) (*models.Node, error) {
}
}
var resNode models.Node // just need to fill this with either server calls or client calls
var header metadata.MD
var wcclient nodepb.NodeServiceClient
var ctx context.Context
if cfg.Node.IsServer != "yes" {
conn, err := grpc.Dial(cfg.Server.GRPCAddress,
ncutils.GRPCRequestOpts(cfg.Server.GRPCSSL))
@ -176,9 +179,9 @@ func Pull(network string, manual bool) (*models.Node, error) {
return nil, err
}
defer conn.Close()
wcclient := nodepb.NewNodeServiceClient(conn)
wcclient = nodepb.NewNodeServiceClient(conn)
ctx, err := auth.SetJWT(wcclient, network)
ctx, err = auth.SetJWT(wcclient, network)
if err != nil {
ncutils.PrintLog("Failed to authenticate: "+err.Error(), 1)
return nil, err
@ -188,6 +191,7 @@ func Pull(network string, manual bool) (*models.Node, error) {
Data: node.MacAddress + "###" + node.Network,
Type: nodepb.STRING_TYPE,
}
readres, err := wcclient.ReadNode(ctx, req, grpc.Header(&header))
if err != nil {
return nil, err
@ -222,6 +226,9 @@ func Pull(network string, manual bool) (*models.Node, error) {
return &resNode, err
}
if resNode.IsServer != "yes" {
if wcclient == nil || ctx == nil {
return &cfg.Node, errors.New("issue initializing gRPC client")
}
req := &nodepb.Object{
Data: string(nodeData),
Type: nodepb.NODE_TYPE,