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40b71e89 ST |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2014 Sebastian Thorarensen | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
b5efdb8a | 20 | #include "alloc-util.h" |
6482f626 | 21 | #include "formats-util.h" |
07630cea | 22 | #include "journald-server.h" |
cf0fbc49 | 23 | #include "journald-wall.h" |
0b452006 | 24 | #include "process-util.h" |
07630cea LP |
25 | #include "string-util.h" |
26 | #include "utmp-wtmp.h" | |
40b71e89 ST |
27 | |
28 | void server_forward_wall( | |
29 | Server *s, | |
30 | int priority, | |
31 | const char *identifier, | |
32 | const char *message, | |
3b3154df | 33 | const struct ucred *ucred) { |
40b71e89 ST |
34 | |
35 | _cleanup_free_ char *ident_buf = NULL, *l_buf = NULL; | |
36 | const char *l; | |
37 | int r; | |
38 | ||
39 | assert(s); | |
40 | assert(message); | |
41 | ||
42 | if (LOG_PRI(priority) > s->max_level_wall) | |
43 | return; | |
44 | ||
45 | if (ucred) { | |
46 | if (!identifier) { | |
47 | get_process_comm(ucred->pid, &ident_buf); | |
48 | identifier = ident_buf; | |
49 | } | |
50 | ||
51 | if (asprintf(&l_buf, "%s["PID_FMT"]: %s", strempty(identifier), ucred->pid, message) < 0) { | |
52 | log_oom(); | |
53 | return; | |
54 | } | |
55 | ||
56 | l = l_buf; | |
57 | ||
58 | } else if (identifier) { | |
59 | ||
60 | l = l_buf = strjoin(identifier, ": ", message, NULL); | |
61 | if (!l_buf) { | |
62 | log_oom(); | |
63 | return; | |
64 | } | |
65 | } else | |
66 | l = message; | |
67 | ||
99f710dd | 68 | r = utmp_wall(l, "systemd-journald", NULL, NULL, NULL); |
40b71e89 | 69 | if (r < 0) |
da927ba9 | 70 | log_debug_errno(r, "Failed to send wall message: %m"); |
40b71e89 | 71 | } |