diff options
Diffstat (limited to 'src/tty-ask-password-agent/tty-ask-password-agent.c')
| -rw-r--r-- | src/tty-ask-password-agent/tty-ask-password-agent.c | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/src/tty-ask-password-agent/tty-ask-password-agent.c b/src/tty-ask-password-agent/tty-ask-password-agent.c index e1e2945c06..5dbc0a9bcc 100644 --- a/src/tty-ask-password-agent/tty-ask-password-agent.c +++ b/src/tty-ask-password-agent/tty-ask-password-agent.c @@ -58,9 +58,9 @@ static bool arg_console = false; static int ask_password_plymouth( const char *message, usec_t until, + AskPasswordFlags flags, const char *flag_file, - bool accept_cached, - char ***_passphrases) { + char ***ret) { _cleanup_close_ int fd = -1, notify = -1; union sockaddr_union sa = PLYMOUTH_SOCKET; @@ -75,7 +75,7 @@ static int ask_password_plymouth( POLL_INOTIFY }; - assert(_passphrases); + assert(ret); if (flag_file) { notify = inotify_init1(IN_CLOEXEC|IN_NONBLOCK); @@ -95,12 +95,11 @@ static int ask_password_plymouth( if (r < 0) return -errno; - if (accept_cached) { + if (flags & ASK_PASSWORD_ACCEPT_CACHED) { packet = strdup("c"); n = 1; } else if (asprintf(&packet, "*\002%c%s%n", (int) (strlen(message) + 1), message, &n) < 0) packet = NULL; - if (!packet) return -ENOMEM; @@ -130,7 +129,7 @@ static int ask_password_plymouth( if (flag_file && access(flag_file, F_OK) < 0) return -errno; - j = poll(pollfd, notify > 0 ? 2 : 1, sleep_for); + j = poll(pollfd, notify >= 0 ? 2 : 1, sleep_for); if (j < 0) { if (errno == EINTR) continue; @@ -139,15 +138,20 @@ static int ask_password_plymouth( } else if (j == 0) return -ETIME; - if (notify > 0 && pollfd[POLL_INOTIFY].revents != 0) + if (notify >= 0 && pollfd[POLL_INOTIFY].revents != 0) flush_fd(notify); if (pollfd[POLL_SOCKET].revents == 0) continue; k = read(fd, buffer + p, sizeof(buffer) - p); - if (k <= 0) - return r = k < 0 ? -errno : -EIO; + if (k < 0) { + if (errno == EINTR || errno == EAGAIN) + continue; + + return -errno; + } else if (k == 0) + return -EIO; p += k; @@ -156,7 +160,7 @@ static int ask_password_plymouth( if (buffer[0] == 5) { - if (accept_cached) { + if (flags & ASK_PASSWORD_ACCEPT_CACHED) { /* Hmm, first try with cached * passwords failed, so let's retry * with a normal password request */ @@ -169,7 +173,7 @@ static int ask_password_plymouth( if (r < 0) return r; - accept_cached = false; + flags &= ~ASK_PASSWORD_ACCEPT_CACHED; p = 0; continue; } @@ -197,7 +201,7 @@ static int ask_password_plymouth( if (!l) return -ENOMEM; - *_passphrases = l; + *ret = l; break; } else @@ -282,7 +286,7 @@ static int parse_password(const char *filename, char **wall) { if (arg_plymouth) { _cleanup_strv_free_ char **passwords = NULL; - r = ask_password_plymouth(message, not_after, filename, accept_cached, &passwords); + r = ask_password_plymouth(message, not_after, accept_cached ? ASK_PASSWORD_ACCEPT_CACHED : 0, filename, &passwords); if (r >= 0) { char **p; @@ -313,7 +317,7 @@ static int parse_password(const char *filename, char **wall) { return log_error_errno(tty_fd, "Failed to acquire /dev/console: %m"); } - r = ask_password_tty(message, not_after, echo, filename, &password); + r = ask_password_tty(message, NULL, not_after, echo ? ASK_PASSWORD_ECHO : 0, filename, &password); if (arg_console) { tty_fd = safe_close(tty_fd); @@ -360,6 +364,8 @@ static int wall_tty_block(void) { int fd, r; r = get_ctty_devnr(0, &devnr); + if (r == -ENXIO) /* We have no controlling tty */ + return -ENOTTY; if (r < 0) return log_error_errno(r, "Failed to get controlling TTY: %m"); |