projects / thirdparty / systemd.git / blame
| Commit | Line | Data |
|---|---|---|
| 3b7124a8 LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
| 2 | ||
| 3 | /*** | |
| 4 | This file is part of systemd. | |
| 5 | ||
| 6 | Copyright 2011 Lennart Poettering | |
| 7 | ||
| 8 | systemd is free software; you can redistribute it and/or modify it | |
| 9 | under the terms of the GNU Lesser General Public License as published by | |
| 10 | the Free Software Foundation; either version 2.1 of the License, or | |
| 11 | (at your option) any later version. | |
| 12 | ||
| 13 | systemd is distributed in the hope that it will be useful, but | |
| 14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 16 | Lesser General Public License for more details. | |
| 17 | ||
| 18 | You should have received a copy of the GNU Lesser General Public License | |
| 19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
| 20 | ***/ | |
| 21 | ||
| 22 | #include <fcntl.h> | |
| 23 | #include <unistd.h> | |
| 4871690d | 24 | #include <sys/socket.h> |
| 3b7124a8 | 25 | |
| d025f1e4 | 26 | #include "journald-server.h" |
| 3b7124a8 LP |
27 | #include "journald-console.h" |
| 28 | ||
| 29 | void server_forward_console( | |
| 30 | Server *s, | |
| 31 | int priority, | |
| 32 | const char *identifier, | |
| 33 | const char *message, | |
| 34 | struct ucred *ucred) { | |
| 35 | ||
| 36 | struct iovec iovec[4]; | |
| 37 | char header_pid[16]; | |
| 38 | int n = 0, fd; | |
| 39 | char *ident_buf = NULL; | |
| 40 | const char *tty; | |
| 41 | ||
| 42 | assert(s); | |
| 43 | assert(message); | |
| 44 | ||
| 45 | if (LOG_PRI(priority) > s->max_level_console) | |
| 46 | return; | |
| 47 | ||
| 48 | /* First: identifier and PID */ | |
| 49 | if (ucred) { | |
| 50 | if (!identifier) { | |
| 51 | get_process_comm(ucred->pid, &ident_buf); | |
| 52 | identifier = ident_buf; | |
| 53 | } | |
| 54 | ||
| 55 | snprintf(header_pid, sizeof(header_pid), "[%lu]: ", (unsigned long) ucred->pid); | |
| 56 | char_array_0(header_pid); | |
| 57 | ||
| 58 | if (identifier) | |
| 59 | IOVEC_SET_STRING(iovec[n++], identifier); | |
| 60 | ||
| 61 | IOVEC_SET_STRING(iovec[n++], header_pid); | |
| 62 | } else if (identifier) { | |
| 63 | IOVEC_SET_STRING(iovec[n++], identifier); | |
| 64 | IOVEC_SET_STRING(iovec[n++], ": "); | |
| 65 | } | |
| 66 | ||
| 67 | /* Third: message */ | |
| 68 | IOVEC_SET_STRING(iovec[n++], message); | |
| 69 | IOVEC_SET_STRING(iovec[n++], "\n"); | |
| 70 | ||
| 71 | tty = s->tty_path ? s->tty_path : "/dev/console"; | |
| 72 | ||
| 73 | fd = open_terminal(tty, O_WRONLY|O_NOCTTY|O_CLOEXEC); | |
| 74 | if (fd < 0) { | |
| 75 | log_debug("Failed to open %s for logging: %s", tty, strerror(errno)); | |
| 76 | goto finish; | |
| 77 | } | |
| 78 | ||
| 79 | if (writev(fd, iovec, n) < 0) | |
| 80 | log_debug("Failed to write to %s for logging: %s", tty, strerror(errno)); | |
| 81 | ||
| 82 | close_nointr_nofail(fd); | |
| 83 | ||
| 84 | finish: | |
| 85 | free(ident_buf); | |
| 86 | } |