{"record":{"id":"ebc83bdec41be311","repo":"gravitational/teleport","slug":"either-identifier-or-team-identifier-is-missing-in","errorCode":null,"errorMessage":"either identifier or team identifier is missing in code signing information; is the binary signed?","messagePattern":"either identifier or team identifier is missing in code signing information; is the binary signed\\?","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"lib/vnet/daemon/common_darwin.go","lineNumber":47,"sourceCode":"\n\t\"github.com/gravitational/trace\"\n\n\t\"github.com/gravitational/teleport/lib/utils/darwinbundle\"\n)\n\nvar (\n\t// vnetErrorDomain is a custom error domain used for Objective-C errors that pertain to VNet.\n\tvnetErrorDomain = C.GoString(C.VNEErrorDomain)\n\n\t// errorCodeAlreadyRunning is returned within [vnetErrorDomain] errors to indicate that the daemon\n\t// received a message to start after it was already running.\n\terrorCodeAlreadyRunning = int(C.VNEAlreadyRunningError)\n\terrAlreadyRunning       = errors.New(\"VNet is already running\")\n\n\t// errorCodeMissingCodeSigningIdentifiers is returned within [vnetErrorDomain] Obj-C errors and\n\t// transformed to [errMissingCodeSigningIdentifiers] in Go.\n\terrorCodeMissingCodeSigningIdentifiers = int(C.VNEMissingCodeSigningIdentifiersError)\n\terrMissingCodeSigningIdentifiers       = errors.New(\"either identifier or team identifier is missing in code signing information; is the binary signed?\")\n)\n\nvar (\n\t// nsCocoaErrorDomain is a generic error domain used in a lot of Apple's Cocoa frameworks.\n\tnsCocoaErrorDomain = \"NSCocoaErrorDomain\"\n\n\t// https://developer.apple.com/documentation/foundation/nsxpcconnectioninterrupted-swift.var\n\terrorCodeNSXPCConnectionInterrupted = int(C.NSXPCConnectionInterrupted)\n\terrXPCConnectionInterrupted         = errors.New(\"XPC connection interrupted\")\n\n\t// https://developer.apple.com/documentation/foundation/nsxpcconnectioncodesigningrequirementfailure-swift.var\n\terrorCodeNSXPCConnectionCodeSigningRequirementFailure = int(C.NSXPCConnectionCodeSigningRequirementFailure)\n\terrXPCConnectionCodeSigningRequirementFailure         = errors.New(\"code signing requirement failed\")\n\n\t// https://developer.apple.com/documentation/foundation/nsxpcconnectioninvalid-swift.var\n\terrorCodeNSXPCConnectionInvalid = int(C.NSXPCConnectionInvalid)\n\terrXPCConnectionInvalid         = errors.New(\"XPC connection invalid\")\n)","sourceCodeStart":29,"sourceCodeEnd":65,"githubUrl":"https://github.com/gravitational/teleport/blob/1283425b60ec5f60d509ba4c791183d452923ff7/lib/vnet/daemon/common_darwin.go#L29-L65","documentation":"errMissingCodeSigningIdentifiers is declared in lib/vnet/daemon/common_darwin.go:47. The daemon validates the code signing information of the connecting client; if neither the identifier nor the team identifier is present in the client binary's signature, it fails the request with VNEErrorDomain/VNEMissingCodeSigningIdentifiersError, which both the daemon (service_darwin.go:61) and client (client_darwin.go:289) map to this sentinel.","triggerScenarios":"Calling Start or RegisterAndCall when the tsh binary (or daemon bundle) is unsigned, or signed with ad-hoc signing that carries no identifier/team identifier, so the daemon cannot verify the peer's code signing identity.","commonSituations":"Building tsh from source with only ad-hoc signing (go build without codesign --identifier/--team); running an unsigned dev binary; macOS security requirements where the daemon enforces a code signing requirement on XPC peers.","solutions":["Sign the binary and app bundle properly: codesign with an explicit --identifier and a Developer ID team identifier (codesign --sign 'Developer ID Application: ...' --identifier <bundle-id>).","Verify the signature: codesign -dv --verbose=4 <binary> and confirm Identifier and TeamIdentifier are present.","Use an officially signed tsh release build instead of a locally built unsigned binary."],"exampleFix":"// before: ad-hoc, unsigned build\n codesign -s - tsh\n// after: sign with identifier and team identifier\ncodesign --force --sign \"Developer ID Application: Acme (TEAMID1234)\" --identifier com.goteleport.tsh tsh","handlingStrategy":"validation","validationCode":"out, err := exec.Command(\"codesign\", \"-dv\", binaryPath).CombinedOutput()\nif err != nil || !strings.Contains(string(out), \"TeamIdentifier\") {\n    return errors.New(\"binary lacks code signing identifier/team identifier; sign it with codesign\")\n}","typeGuard":null,"tryCatchPattern":"if err := daemon.Start(ctx); err != nil {\n    if errors.Is(err, vnetdaemon.ErrMissingCodeSigningIdentifiers) {\n        return trace.Wrap(err, \"re-sign the binary with an identifier and team identifier\")\n    }\n    return trace.Wrap(err)\n}","preventionTips":["Always codesign dev builds with --identifier and a team identifier, not plain ad-hoc signing.","Verify with codesign -dv --verbose=4 that Identifier and TeamIdentifier are set.","Distribute officially signed release binaries for macOS VNet usage."],"tags":["macos","code-signing","vnet","security"],"backgroundTag":"missing-code-signing-identifiers","analyzedSha":"1283425b60ec5f60d509ba4c791183d452923ff7","analyzedAt":"2026-09-02T04:06:41.601Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T10:18:20.063Z"}