func runServ(c *cli.Context) { if c.IsSet("config") { setting.CustomConf = c.String("config") } setup("serv.log") fail := func(userMessage, logMessage string, args ...interface{}) { fmt.Fprintln(os.Stderr, "Gogs: ", userMessage) log.GitLogger.Fatal(2, logMessage, args...) } if len(c.Args()) < 1 { fail("Not enough arguments", "Not enough arugments") } keys := strings.Split(c.Args()[0], "-") if len(keys) != 2 { fail("key-id format error", "Invalid key id: %s", c.Args()[0]) } keyId, err := com.StrTo(keys[1]).Int64() if err != nil { fail("key-id format error", "Invalid key id: %s", err) } user, err := models.GetUserByKeyId(keyId) if err != nil { fail("internal error", "Fail to get user by key ID(%d): %v", keyId, err) } cmd := os.Getenv("SSH_ORIGINAL_COMMAND") if cmd == "" { fmt.Printf("Hi, %s! You've successfully authenticated, but Gogs does not provide shell access.\n", user.Name) if user.IsAdmin { println("If this is unexpected, please log in with password and setup Gogs under another user.") } return } verb, args := parseCmd(cmd) repoPath := strings.Trim(args, "'") rr := strings.SplitN(repoPath, "/", 2) if len(rr) != 2 { fail("Invalid repository path", "Invalide repository path: %v", args) } repoUserName := rr[0] repoName := strings.TrimSuffix(rr[1], ".git") repoUser, err := models.GetUserByName(repoUserName) if err != nil { if err == models.ErrUserNotExist { fail("Repository owner does not exist", "Unregistered owner: %s", repoUserName) } fail("Internal error", "Fail to get repository owner(%s): %v", repoUserName, err) } repo, err := models.GetRepositoryByName(repoUser.Id, repoName) if err != nil { if models.IsErrRepoNotExist(err) { if user.Id == repoUser.Id || repoUser.IsOwnedBy(user.Id) { fail("Repository does not exist", "Repository does not exist: %s/%s", repoUser.Name, repoName) } else { fail(_ACCESS_DENIED_MESSAGE, "Repository does not exist: %s/%s", repoUser.Name, repoName) } } fail("Internal error", "Fail to get repository: %v", err) } requestedMode, has := COMMANDS[verb] if !has { fail("Unknown git command", "Unknown git command %s", verb) } mode, err := models.AccessLevel(user, repo) if err != nil { fail("Internal error", "Fail to check access: %v", err) } else if mode < requestedMode { clientMessage := _ACCESS_DENIED_MESSAGE if mode >= models.ACCESS_MODE_READ { clientMessage = "You do not have sufficient authorization for this action" } fail(clientMessage, "User %s does not have level %v access to repository %s", user.Name, requestedMode, repoPath) } uuid := uuid.NewV4().String() os.Setenv("uuid", uuid) var gitcmd *exec.Cmd verbs := strings.Split(verb, " ") if len(verbs) == 2 { gitcmd = exec.Command(verbs[0], verbs[1], repoPath) } else { gitcmd = exec.Command(verb, repoPath) } gitcmd.Dir = setting.RepoRootPath gitcmd.Stdout = os.Stdout gitcmd.Stdin = os.Stdin gitcmd.Stderr = os.Stderr if err = gitcmd.Run(); err != nil { fail("Internal error", "Fail to execute git command: %v", err) } if requestedMode == models.ACCESS_MODE_WRITE { tasks, err := models.GetUpdateTasksByUuid(uuid) if err != nil { log.GitLogger.Fatal(2, "GetUpdateTasksByUuid: %v", err) } for _, task := range tasks { err = models.Update(task.RefName, task.OldCommitId, task.NewCommitId, user.Name, repoUserName, repoName, user.Id) if err != nil { log.GitLogger.Error(2, "Fail to update: %v", err) } } if err = models.DelUpdateTasksByUuid(uuid); err != nil { log.GitLogger.Fatal(2, "DelUpdateTasksByUuid: %v", err) } } // Update key activity. key, err := models.GetPublicKeyById(keyId) if err != nil { fail("Internal error", "GetPublicKeyById: %v", err) } key.Updated = time.Now() if err = models.UpdatePublicKey(key); err != nil { fail("Internal error", "UpdatePublicKey: %v", err) } }
func runServ(k *cli.Context) { setup("serv.log") keys := strings.Split(os.Args[2], "-") if len(keys) != 2 { println("Gogs: auth file format error") log.GitLogger.Fatal(2, "Invalid auth file format: %s", os.Args[2]) } keyId, err := com.StrTo(keys[1]).Int64() if err != nil { println("Gogs: auth file format error") log.GitLogger.Fatal(2, "Invalid auth file format: %v", err) } user, err := models.GetUserByKeyId(keyId) if err != nil { if err == models.ErrUserNotKeyOwner { println("Gogs: you are not the owner of SSH key") log.GitLogger.Fatal(2, "Invalid owner of SSH key: %d", keyId) } println("Gogs: internal error:", err) log.GitLogger.Fatal(2, "Fail to get user by key ID(%d): %v", keyId, err) } cmd := os.Getenv("SSH_ORIGINAL_COMMAND") if cmd == "" { println("Hi", user.Name, "! You've successfully authenticated, but Gogs does not provide shell access.") return } verb, args := parseCmd(cmd) repoPath := strings.Trim(args, "'") rr := strings.SplitN(repoPath, "/", 2) if len(rr) != 2 { println("Gogs: unavailable repository", args) log.GitLogger.Fatal(2, "Unavailable repository: %v", args) } repoUserName := rr[0] repoName := strings.TrimSuffix(rr[1], ".git") isWrite := In(verb, COMMANDS_WRITE) isRead := In(verb, COMMANDS_READONLY) repoUser, err := models.GetUserByName(repoUserName) if err != nil { if err == models.ErrUserNotExist { println("Gogs: given repository owner are not registered") log.GitLogger.Fatal(2, "Unregistered owner: %s", repoUserName) } println("Gogs: internal error:", err) log.GitLogger.Fatal(2, "Fail to get repository owner(%s): %v", repoUserName, err) } // Access check. switch { case isWrite: has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.WRITABLE) if err != nil { println("Gogs: internal error:", err) log.GitLogger.Fatal(2, "Fail to check write access:", err) } else if !has { println("You have no right to write this repository") log.GitLogger.Fatal(2, "User %s has no right to write repository %s", user.Name, repoPath) } case isRead: repo, err := models.GetRepositoryByName(repoUser.Id, repoName) if err != nil { if err == models.ErrRepoNotExist { println("Gogs: given repository does not exist") log.GitLogger.Fatal(2, "Repository does not exist: %s/%s", repoUser.Name, repoName) } println("Gogs: internal error:", err) log.GitLogger.Fatal(2, "Fail to get repository: %v", err) } if !repo.IsPrivate { break } has, err := models.HasAccess(user.Name, path.Join(repoUserName, repoName), models.READABLE) if err != nil { println("Gogs: internal error:", err) log.GitLogger.Fatal(2, "Fail to check read access:", err) } else if !has { println("You have no right to access this repository") log.GitLogger.Fatal(2, "User %s has no right to read repository %s", user.Name, repoPath) } default: println("Unknown command") return } uuid := uuid.NewV4().String() os.Setenv("uuid", uuid) gitcmd := exec.Command(verb, repoPath) gitcmd.Dir = setting.RepoRootPath gitcmd.Stdout = os.Stdout gitcmd.Stdin = os.Stdin gitcmd.Stderr = os.Stderr if err = gitcmd.Run(); err != nil { println("Gogs: internal error:", err.Error()) log.GitLogger.Fatal(2, "Fail to execute git command: %v", err) } if isWrite { tasks, err := models.GetUpdateTasksByUuid(uuid) if err != nil { log.GitLogger.Fatal(2, "GetUpdateTasksByUuid: %v", err) } for _, task := range tasks { err = models.Update(task.RefName, task.OldCommitId, task.NewCommitId, user.Name, repoUserName, repoName, user.Id) if err != nil { log.GitLogger.Error(2, "Fail to update: %v", err) } } if err = models.DelUpdateTasksByUuid(uuid); err != nil { log.GitLogger.Fatal(2, "DelUpdateTasksByUuid: %v", err) } } // Update key activity. key, err := models.GetPublicKeyById(keyId) if err != nil { log.GitLogger.Fatal(2, "GetPublicKeyById: %v", err) } key.Updated = time.Now() if err = models.UpdatePublicKey(key); err != nil { log.GitLogger.Fatal(2, "UpdatePublicKey: %v", err) } }