{"record":{"id":"0baccf7e22e552ab","repo":"crowdsecurity/crowdsec","slug":"while-getting-current-user-w-0baccf","errorCode":null,"errorMessage":"while getting current user: %w","messagePattern":"while getting current user: %w","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"pkg/csplugin/utils_windows.go","lineNumber":73,"sourceCode":"const ACCESS_ALLOWED_ACE_TYPE = 0\nconst ACCESS_DENIED_ACE_TYPE = 1\n\nfunc CheckPerms(path string) error {\n\tlog.Debugf(\"checking permissions of %s\\n\", path)\n\n\tsystemSid, err := windows.CreateWellKnownSid(windows.WELL_KNOWN_SID_TYPE(windows.WinLocalSystemSid))\n\tif err != nil {\n\t\treturn fmt.Errorf(\"while creating SYSTEM well known sid: %w\", err)\n\t}\n\n\tadminSid, err := windows.CreateWellKnownSid(windows.WELL_KNOWN_SID_TYPE(windows.WinBuiltinAdministratorsSid))\n\tif err != nil {\n\t\treturn fmt.Errorf(\"while creating built-in Administrators well known sid: %w\", err)\n\t}\n\n\tcurrentUser, err := user.Current()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"while getting current user: %w\", err)\n\t}\n\n\tcurrentUserSid, _, _, err := windows.LookupSID(\"\", currentUser.Username)\n\n\tif err != nil {\n\t\treturn fmt.Errorf(\"while looking up current user sid: %w\", err)\n\t}\n\n\tsd, err := windows.GetNamedSecurityInfo(path, windows.SE_FILE_OBJECT, windows.OWNER_SECURITY_INFORMATION|windows.DACL_SECURITY_INFORMATION)\n\tif err != nil {\n\t\treturn fmt.Errorf(\"while getting owner security info: %w\", err)\n\t}\n\tif !sd.IsValid() {\n\t\treturn errors.New(\"security descriptor is invalid\")\n\t}\n\towner, _, err := sd.Owner()\n\tif err != nil {\n\t\treturn fmt.Errorf(\"while getting owner: %w\", err)","sourceCodeStart":55,"sourceCodeEnd":91,"githubUrl":"https://github.com/crowdsecurity/crowdsec/blob/909b5157986a2b2c2163300fdaef5ed01289f7d2/pkg/csplugin/utils_windows.go#L55-L91","documentation":"CheckPerms calls os/user's user.Current() to identify the account running crowdsec so it can be whitelisted as a permissible plugin owner. This error wraps a failure of user.Current(), which on Windows queries the process token (via advapi32 GetUserName/lookup APIs). It means the runtime could not determine the current user identity.","triggerScenarios":"Calling CheckPerms on Windows when the process token cannot be queried — e.g. the process is running with a broken or stripped access token, or the CGO-less os/user lookup of the current account fails.","commonSituations":"Running crowdsec as a service account with a restricted or misconfigured token; running in a stripped-down execution environment (minimal container, sandboxed service) where the process token is incomplete; broken user-profile/registry configuration for the account.","solutions":["Check that the account running crowdsec has a valid, complete process token (e.g. run as a normal user or properly configured service account)","Read the wrapped %w error for the underlying OS reason and fix the account/environment accordingly","Try running crowdsec interactively as the same user to see if user.Current() succeeds outside the service context","Reinstall/repair the user profile if the local account is corrupted"],"exampleFix":"// before\ncurrentUser, err := user.Current()\nif err != nil {\n\treturn fmt.Errorf(\"while getting current user: %w\", err)\n}\n// after\ncurrentUser, err := user.Current()\nif err != nil {\n\treturn fmt.Errorf(\"while getting current user (username lookup failed for pid %d): %w\", os.Getpid(), err)\n}","handlingStrategy":"try-catch","validationCode":"if _, err := user.Current(); err != nil {\n\treturn fmt.Errorf(\"cannot resolve current user before plugin check: %w\", err)\n}","typeGuard":null,"tryCatchPattern":"err := CheckPerms(pluginPath)\nif err != nil {\n\tif strings.Contains(err.Error(), \"getting current user\") {\n\t\treturn fmt.Errorf(\"process identity unavailable, check service account config: %w\", err)\n\t}\n\treturn err\n}","preventionTips":["Run crowdsec under a normal, fully-configured user or service account","Avoid stripped process tokens (no /MINIMAL sandboxes without token setup)","Verify `whoami` works for the account before installing as a service"],"tags":["windows","user","identity"],"backgroundTag":"missing-credentials","analyzedSha":"909b5157986a2b2c2163300fdaef5ed01289f7d2","analyzedAt":"2026-09-06T12:27:26.012Z","contentChangedAt":"2026-09-06T12:27:26.012Z","schemaVersion":2},"datasetVersion":"2026-09-14T00:17:10.932Z"}