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Commit | Line | Data |
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7f3e6257 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 | |
5430f7f2 LP |
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 | |
7f3e6257 LP |
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 | |
5430f7f2 | 16 | Lesser General Public License for more details. |
7f3e6257 | 17 | |
5430f7f2 | 18 | You should have received a copy of the GNU Lesser General Public License |
7f3e6257 LP |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. |
20 | ***/ | |
21 | ||
22 | #include <sys/socket.h> | |
23 | #include <sys/un.h> | |
24 | #include <errno.h> | |
25 | #include <stddef.h> | |
0dad12c1 LP |
26 | #include <unistd.h> |
27 | #include <fcntl.h> | |
72f1d5a2 | 28 | #include <printf.h> |
7f3e6257 | 29 | |
b070e7f3 LP |
30 | #define SD_JOURNAL_SUPPRESS_LOCATION |
31 | ||
7f3e6257 LP |
32 | #include "sd-journal.h" |
33 | #include "util.h" | |
fe652127 | 34 | #include "socket-util.h" |
a09abc4a | 35 | #include "memfd-util.h" |
7f3e6257 | 36 | |
bb99a35a LP |
37 | #define SNDBUF_SIZE (8*1024*1024) |
38 | ||
3ed08c44 LP |
39 | #define ALLOCA_CODE_FUNC(f, func) \ |
40 | do { \ | |
41 | size_t _fl; \ | |
42 | const char *_func = (func); \ | |
43 | char **_f = &(f); \ | |
44 | _fl = strlen(_func) + 1; \ | |
45 | *_f = alloca(_fl + 10); \ | |
46 | memcpy(*_f, "CODE_FUNC=", 10); \ | |
47 | memcpy(*_f + 10, _func, _fl); \ | |
48 | } while(false) | |
49 | ||
7f3e6257 LP |
50 | /* We open a single fd, and we'll share it with the current process, |
51 | * all its threads, and all its subprocesses. This means we need to | |
52 | * initialize it atomically, and need to operate on it atomically | |
53 | * never assuming we are the only user */ | |
54 | ||
55 | static int journal_fd(void) { | |
56 | int fd; | |
57 | static int fd_plus_one = 0; | |
58 | ||
59 | retry: | |
60 | if (fd_plus_one > 0) | |
61 | return fd_plus_one - 1; | |
62 | ||
63 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
64 | if (fd < 0) | |
65 | return -errno; | |
66 | ||
bb99a35a LP |
67 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
68 | ||
7f3e6257 | 69 | if (!__sync_bool_compare_and_swap(&fd_plus_one, 0, fd+1)) { |
03e334a1 | 70 | safe_close(fd); |
7f3e6257 LP |
71 | goto retry; |
72 | } | |
73 | ||
74 | return fd; | |
75 | } | |
76 | ||
a5344d2c | 77 | _public_ int sd_journal_print(int priority, const char *format, ...) { |
7f3e6257 LP |
78 | int r; |
79 | va_list ap; | |
80 | ||
81 | va_start(ap, format); | |
d0bbc21c | 82 | r = sd_journal_printv(priority, format, ap); |
7f3e6257 LP |
83 | va_end(ap); |
84 | ||
85 | return r; | |
86 | } | |
87 | ||
a5344d2c | 88 | _public_ int sd_journal_printv(int priority, const char *format, va_list ap) { |
18c7ed18 LP |
89 | |
90 | /* FIXME: Instead of limiting things to LINE_MAX we could do a | |
91 | C99 variable-length array on the stack here in a loop. */ | |
92 | ||
93 | char buffer[8 + LINE_MAX], p[11]; struct iovec iov[2]; | |
d0bbc21c | 94 | |
1ae464e0 TA |
95 | assert_return(priority >= 0, -EINVAL); |
96 | assert_return(priority <= 7, -EINVAL); | |
97 | assert_return(format, -EINVAL); | |
fe652127 | 98 | |
d0bbc21c LP |
99 | snprintf(p, sizeof(p), "PRIORITY=%i", priority & LOG_PRIMASK); |
100 | char_array_0(p); | |
7f3e6257 LP |
101 | |
102 | memcpy(buffer, "MESSAGE=", 8); | |
103 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
7f3e6257 LP |
104 | char_array_0(buffer); |
105 | ||
106 | zero(iov); | |
d0bbc21c LP |
107 | IOVEC_SET_STRING(iov[0], buffer); |
108 | IOVEC_SET_STRING(iov[1], p); | |
7f3e6257 | 109 | |
d0bbc21c | 110 | return sd_journal_sendv(iov, 2); |
7f3e6257 LP |
111 | } |
112 | ||
44b601bc | 113 | _printf_(1, 0) static int fill_iovec_sprintf(const char *format, va_list ap, int extra, struct iovec **_iov) { |
5c0aa72a | 114 | PROTECT_ERRNO; |
25d042e8 | 115 | int r, n = 0, i = 0, j; |
7f3e6257 | 116 | struct iovec *iov = NULL; |
b070e7f3 LP |
117 | |
118 | assert(_iov); | |
b070e7f3 LP |
119 | |
120 | if (extra > 0) { | |
121 | n = MAX(extra * 2, extra + 4); | |
122 | iov = malloc0(n * sizeof(struct iovec)); | |
123 | if (!iov) { | |
124 | r = -ENOMEM; | |
125 | goto fail; | |
126 | } | |
127 | ||
128 | i = extra; | |
25d042e8 | 129 | } |
7f3e6257 | 130 | |
7f3e6257 LP |
131 | while (format) { |
132 | struct iovec *c; | |
133 | char *buffer; | |
72f1d5a2 | 134 | va_list aq; |
7f3e6257 LP |
135 | |
136 | if (i >= n) { | |
137 | n = MAX(i*2, 4); | |
138 | c = realloc(iov, n * sizeof(struct iovec)); | |
139 | if (!c) { | |
140 | r = -ENOMEM; | |
141 | goto fail; | |
142 | } | |
143 | ||
144 | iov = c; | |
145 | } | |
146 | ||
72f1d5a2 LP |
147 | va_copy(aq, ap); |
148 | if (vasprintf(&buffer, format, aq) < 0) { | |
149 | va_end(aq); | |
7f3e6257 LP |
150 | r = -ENOMEM; |
151 | goto fail; | |
152 | } | |
72f1d5a2 LP |
153 | va_end(aq); |
154 | ||
155 | VA_FORMAT_ADVANCE(format, ap); | |
7f3e6257 LP |
156 | |
157 | IOVEC_SET_STRING(iov[i++], buffer); | |
158 | ||
159 | format = va_arg(ap, char *); | |
160 | } | |
b070e7f3 LP |
161 | |
162 | *_iov = iov; | |
163 | ||
b070e7f3 LP |
164 | return i; |
165 | ||
166 | fail: | |
167 | for (j = 0; j < i; j++) | |
168 | free(iov[j].iov_base); | |
169 | ||
170 | free(iov); | |
171 | ||
b070e7f3 LP |
172 | return r; |
173 | } | |
174 | ||
175 | _public_ int sd_journal_send(const char *format, ...) { | |
176 | int r, i, j; | |
177 | va_list ap; | |
178 | struct iovec *iov = NULL; | |
179 | ||
180 | va_start(ap, format); | |
181 | i = fill_iovec_sprintf(format, ap, 0, &iov); | |
7f3e6257 LP |
182 | va_end(ap); |
183 | ||
b070e7f3 LP |
184 | if (_unlikely_(i < 0)) { |
185 | r = i; | |
186 | goto finish; | |
187 | } | |
188 | ||
7f3e6257 LP |
189 | r = sd_journal_sendv(iov, i); |
190 | ||
b070e7f3 | 191 | finish: |
7f3e6257 LP |
192 | for (j = 0; j < i; j++) |
193 | free(iov[j].iov_base); | |
194 | ||
195 | free(iov); | |
196 | ||
197 | return r; | |
198 | } | |
199 | ||
a5344d2c | 200 | _public_ int sd_journal_sendv(const struct iovec *iov, int n) { |
5c0aa72a | 201 | PROTECT_ERRNO; |
c79e98ea | 202 | int fd, r; |
61c024b3 | 203 | _cleanup_close_ int buffer_fd = -1; |
7f3e6257 LP |
204 | struct iovec *w; |
205 | uint64_t *l; | |
5c0aa72a | 206 | int i, j = 0; |
6e5abe15 ZJS |
207 | struct sockaddr_un sa = { |
208 | .sun_family = AF_UNIX, | |
209 | .sun_path = "/run/systemd/journal/socket", | |
210 | }; | |
211 | struct msghdr mh = { | |
212 | .msg_name = &sa, | |
213 | .msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(sa.sun_path), | |
214 | }; | |
0dad12c1 LP |
215 | ssize_t k; |
216 | union { | |
217 | struct cmsghdr cmsghdr; | |
218 | uint8_t buf[CMSG_SPACE(sizeof(int))]; | |
219 | } control; | |
220 | struct cmsghdr *cmsg; | |
ee55db41 | 221 | bool have_syslog_identifier = false; |
c79e98ea | 222 | bool seal = true; |
7f3e6257 | 223 | |
1ae464e0 TA |
224 | assert_return(iov, -EINVAL); |
225 | assert_return(n > 0, -EINVAL); | |
7f3e6257 | 226 | |
ee55db41 | 227 | w = alloca(sizeof(struct iovec) * n * 5 + 3); |
7f3e6257 LP |
228 | l = alloca(sizeof(uint64_t) * n); |
229 | ||
230 | for (i = 0; i < n; i++) { | |
231 | char *c, *nl; | |
232 | ||
5c0aa72a LP |
233 | if (_unlikely_(!iov[i].iov_base || iov[i].iov_len <= 1)) |
234 | return -EINVAL; | |
a5344d2c | 235 | |
7f3e6257 | 236 | c = memchr(iov[i].iov_base, '=', iov[i].iov_len); |
5c0aa72a LP |
237 | if (_unlikely_(!c || c == iov[i].iov_base)) |
238 | return -EINVAL; | |
7f3e6257 | 239 | |
29abad10 ZJS |
240 | have_syslog_identifier = have_syslog_identifier || |
241 | (c == (char *) iov[i].iov_base + 17 && | |
2a0e0692 | 242 | startswith(iov[i].iov_base, "SYSLOG_IDENTIFIER")); |
ee55db41 | 243 | |
7f3e6257 LP |
244 | nl = memchr(iov[i].iov_base, '\n', iov[i].iov_len); |
245 | if (nl) { | |
5c0aa72a LP |
246 | if (_unlikely_(nl < c)) |
247 | return -EINVAL; | |
7f3e6257 LP |
248 | |
249 | /* Already includes a newline? Bummer, then | |
250 | * let's write the variable name, then a | |
251 | * newline, then the size (64bit LE), followed | |
252 | * by the data and a final newline */ | |
253 | ||
254 | w[j].iov_base = iov[i].iov_base; | |
255 | w[j].iov_len = c - (char*) iov[i].iov_base; | |
256 | j++; | |
257 | ||
258 | IOVEC_SET_STRING(w[j++], "\n"); | |
259 | ||
260 | l[i] = htole64(iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1); | |
261 | w[j].iov_base = &l[i]; | |
262 | w[j].iov_len = sizeof(uint64_t); | |
263 | j++; | |
264 | ||
265 | w[j].iov_base = c + 1; | |
266 | w[j].iov_len = iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1; | |
267 | j++; | |
268 | ||
269 | } else | |
270 | /* Nothing special? Then just add the line and | |
271 | * append a newline */ | |
272 | w[j++] = iov[i]; | |
273 | ||
274 | IOVEC_SET_STRING(w[j++], "\n"); | |
275 | } | |
276 | ||
ee55db41 LP |
277 | if (!have_syslog_identifier && |
278 | string_is_safe(program_invocation_short_name)) { | |
279 | ||
280 | /* Implicitly add program_invocation_short_name, if it | |
281 | * is not set explicitly. We only do this for | |
282 | * program_invocation_short_name, and nothing else | |
283 | * since everything else is much nicer to retrieve | |
284 | * from the outside. */ | |
285 | ||
286 | IOVEC_SET_STRING(w[j++], "SYSLOG_IDENTIFIER="); | |
287 | IOVEC_SET_STRING(w[j++], program_invocation_short_name); | |
288 | IOVEC_SET_STRING(w[j++], "\n"); | |
289 | } | |
290 | ||
7f3e6257 | 291 | fd = journal_fd(); |
5c0aa72a LP |
292 | if (_unlikely_(fd < 0)) |
293 | return fd; | |
7f3e6257 | 294 | |
7f3e6257 LP |
295 | mh.msg_iov = w; |
296 | mh.msg_iovlen = j; | |
297 | ||
0dad12c1 | 298 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); |
5c0aa72a LP |
299 | if (k >= 0) |
300 | return 0; | |
0dad12c1 | 301 | |
6c045c0b ZJS |
302 | /* Fail silently if the journal is not available */ |
303 | if (errno == ENOENT) | |
304 | return 0; | |
305 | ||
5c0aa72a LP |
306 | if (errno != EMSGSIZE && errno != ENOBUFS) |
307 | return -errno; | |
0dad12c1 | 308 | |
c79e98ea LP |
309 | /* Message doesn't fit... Let's dump the data in a memfd or |
310 | * temporary file and just pass a file descriptor of it to the | |
311 | * other side. | |
8e33886e | 312 | * |
c79e98ea LP |
313 | * For the temporary files we use /dev/shm instead of /tmp |
314 | * here, since we want this to be a tmpfs, and one that is | |
315 | * available from early boot on and where unprivileged users | |
316 | * can create files. */ | |
73843b52 | 317 | buffer_fd = memfd_new(NULL); |
c79e98ea | 318 | if (buffer_fd < 0) { |
73843b52 | 319 | if (buffer_fd == -ENOSYS) { |
c79e98ea LP |
320 | buffer_fd = open_tmpfile("/dev/shm", O_RDWR | O_CLOEXEC); |
321 | if (buffer_fd < 0) | |
322 | return buffer_fd; | |
323 | ||
324 | seal = false; | |
325 | } else | |
73843b52 | 326 | return buffer_fd; |
c79e98ea | 327 | } |
0dad12c1 | 328 | |
87b02843 | 329 | n = writev(buffer_fd, w, j); |
61c024b3 | 330 | if (n < 0) |
5c0aa72a | 331 | return -errno; |
0dad12c1 | 332 | |
c79e98ea | 333 | if (seal) { |
73843b52 | 334 | r = memfd_set_sealed(buffer_fd); |
c79e98ea | 335 | if (r < 0) |
73843b52 | 336 | return r; |
c79e98ea LP |
337 | } |
338 | ||
0dad12c1 LP |
339 | mh.msg_iov = NULL; |
340 | mh.msg_iovlen = 0; | |
341 | ||
342 | zero(control); | |
343 | mh.msg_control = &control; | |
344 | mh.msg_controllen = sizeof(control); | |
345 | ||
346 | cmsg = CMSG_FIRSTHDR(&mh); | |
347 | cmsg->cmsg_level = SOL_SOCKET; | |
348 | cmsg->cmsg_type = SCM_RIGHTS; | |
349 | cmsg->cmsg_len = CMSG_LEN(sizeof(int)); | |
350 | memcpy(CMSG_DATA(cmsg), &buffer_fd, sizeof(int)); | |
351 | ||
352 | mh.msg_controllen = cmsg->cmsg_len; | |
353 | ||
354 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); | |
5c0aa72a LP |
355 | if (k < 0) |
356 | return -errno; | |
7f3e6257 | 357 | |
5c0aa72a | 358 | return 0; |
7f3e6257 | 359 | } |
fe652127 | 360 | |
18c7ed18 | 361 | static int fill_iovec_perror_and_send(const char *message, int skip, struct iovec iov[]) { |
5c0aa72a LP |
362 | PROTECT_ERRNO; |
363 | size_t n, k; | |
18c7ed18 LP |
364 | |
365 | k = isempty(message) ? 0 : strlen(message) + 2; | |
366 | n = 8 + k + 256 + 1; | |
367 | ||
368 | for (;;) { | |
369 | char buffer[n]; | |
370 | char* j; | |
371 | ||
372 | errno = 0; | |
5c0aa72a | 373 | j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
18c7ed18 LP |
374 | if (errno == 0) { |
375 | char error[6 + 10 + 1]; /* for a 32bit value */ | |
376 | ||
377 | if (j != buffer + 8 + k) | |
378 | memmove(buffer + 8 + k, j, strlen(j)+1); | |
379 | ||
380 | memcpy(buffer, "MESSAGE=", 8); | |
381 | ||
382 | if (k > 0) { | |
383 | memcpy(buffer + 8, message, k - 2); | |
384 | memcpy(buffer + 8 + k - 2, ": ", 2); | |
385 | } | |
386 | ||
1fa2f38f | 387 | snprintf(error, sizeof(error), "ERRNO=%i", _saved_errno_); |
18c7ed18 LP |
388 | char_array_0(error); |
389 | ||
390 | IOVEC_SET_STRING(iov[skip+0], "PRIORITY=3"); | |
391 | IOVEC_SET_STRING(iov[skip+1], buffer); | |
392 | IOVEC_SET_STRING(iov[skip+2], error); | |
393 | ||
5c0aa72a | 394 | return sd_journal_sendv(iov, skip + 3); |
18c7ed18 LP |
395 | } |
396 | ||
5c0aa72a LP |
397 | if (errno != ERANGE) |
398 | return -errno; | |
18c7ed18 LP |
399 | |
400 | n *= 2; | |
401 | } | |
402 | } | |
403 | ||
404 | _public_ int sd_journal_perror(const char *message) { | |
405 | struct iovec iovec[3]; | |
406 | ||
407 | return fill_iovec_perror_and_send(message, 0, iovec); | |
408 | } | |
409 | ||
4cd9a9d9 | 410 | _public_ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) { |
6e5abe15 ZJS |
411 | union sockaddr_union sa = { |
412 | .un.sun_family = AF_UNIX, | |
413 | .un.sun_path = "/run/systemd/journal/stdout", | |
414 | }; | |
61c024b3 | 415 | _cleanup_close_ int fd = -1; |
fe652127 LP |
416 | char *header; |
417 | size_t l; | |
61c024b3 | 418 | int r; |
fe652127 | 419 | |
1ae464e0 TA |
420 | assert_return(priority >= 0, -EINVAL); |
421 | assert_return(priority <= 7, -EINVAL); | |
fe652127 LP |
422 | |
423 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
424 | if (fd < 0) | |
425 | return -errno; | |
426 | ||
fe652127 | 427 | r = connect(fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path)); |
61c024b3 | 428 | if (r < 0) |
fe652127 | 429 | return -errno; |
fe652127 | 430 | |
61c024b3 | 431 | if (shutdown(fd, SHUT_RD) < 0) |
86b9b8e7 | 432 | return -errno; |
86b9b8e7 | 433 | |
bb99a35a LP |
434 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
435 | ||
4cd9a9d9 LP |
436 | if (!identifier) |
437 | identifier = ""; | |
fe652127 | 438 | |
4cd9a9d9 | 439 | l = strlen(identifier); |
8b38f3cc | 440 | header = alloca(l + 1 + 1 + 2 + 2 + 2 + 2 + 2); |
fe652127 | 441 | |
4cd9a9d9 | 442 | memcpy(header, identifier, l); |
fe652127 | 443 | header[l++] = '\n'; |
a6e87e90 | 444 | header[l++] = '\n'; /* unit id */ |
fe652127 LP |
445 | header[l++] = '0' + priority; |
446 | header[l++] = '\n'; | |
4cd9a9d9 | 447 | header[l++] = '0' + !!level_prefix; |
fe652127 LP |
448 | header[l++] = '\n'; |
449 | header[l++] = '0'; | |
450 | header[l++] = '\n'; | |
224f2ee2 LP |
451 | header[l++] = '0'; |
452 | header[l++] = '\n'; | |
453 | header[l++] = '0'; | |
454 | header[l++] = '\n'; | |
fe652127 | 455 | |
553acb7b | 456 | r = loop_write(fd, header, l, false); |
61c024b3 ZJS |
457 | if (r < 0) |
458 | return r; | |
fe652127 | 459 | |
61c024b3 ZJS |
460 | r = fd; |
461 | fd = -1; | |
462 | return r; | |
fe652127 | 463 | } |
b070e7f3 LP |
464 | |
465 | _public_ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) { | |
466 | int r; | |
467 | va_list ap; | |
468 | ||
469 | va_start(ap, format); | |
470 | r = sd_journal_printv_with_location(priority, file, line, func, format, ap); | |
471 | va_end(ap); | |
472 | ||
473 | return r; | |
474 | } | |
475 | ||
476 | _public_ int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap) { | |
477 | char buffer[8 + LINE_MAX], p[11]; | |
478 | struct iovec iov[5]; | |
479 | char *f; | |
b070e7f3 | 480 | |
1ae464e0 TA |
481 | assert_return(priority >= 0, -EINVAL); |
482 | assert_return(priority <= 7, -EINVAL); | |
483 | assert_return(format, -EINVAL); | |
b070e7f3 LP |
484 | |
485 | snprintf(p, sizeof(p), "PRIORITY=%i", priority & LOG_PRIMASK); | |
486 | char_array_0(p); | |
487 | ||
488 | memcpy(buffer, "MESSAGE=", 8); | |
489 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
490 | char_array_0(buffer); | |
491 | ||
492 | /* func is initialized from __func__ which is not a macro, but | |
493 | * a static const char[], hence cannot easily be prefixed with | |
494 | * CODE_FUNC=, hence let's do it manually here. */ | |
3ed08c44 | 495 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
496 | |
497 | zero(iov); | |
498 | IOVEC_SET_STRING(iov[0], buffer); | |
499 | IOVEC_SET_STRING(iov[1], p); | |
500 | IOVEC_SET_STRING(iov[2], file); | |
501 | IOVEC_SET_STRING(iov[3], line); | |
502 | IOVEC_SET_STRING(iov[4], f); | |
503 | ||
504 | return sd_journal_sendv(iov, ELEMENTSOF(iov)); | |
505 | } | |
506 | ||
507 | _public_ int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) { | |
508 | int r, i, j; | |
509 | va_list ap; | |
510 | struct iovec *iov = NULL; | |
511 | char *f; | |
b070e7f3 LP |
512 | |
513 | va_start(ap, format); | |
514 | i = fill_iovec_sprintf(format, ap, 3, &iov); | |
515 | va_end(ap); | |
516 | ||
517 | if (_unlikely_(i < 0)) { | |
518 | r = i; | |
519 | goto finish; | |
520 | } | |
521 | ||
3ed08c44 | 522 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
523 | |
524 | IOVEC_SET_STRING(iov[0], file); | |
525 | IOVEC_SET_STRING(iov[1], line); | |
526 | IOVEC_SET_STRING(iov[2], f); | |
527 | ||
528 | r = sd_journal_sendv(iov, i); | |
529 | ||
530 | finish: | |
531 | for (j = 3; j < i; j++) | |
532 | free(iov[j].iov_base); | |
533 | ||
534 | free(iov); | |
535 | ||
536 | return r; | |
537 | } | |
538 | ||
18c7ed18 LP |
539 | _public_ int sd_journal_sendv_with_location( |
540 | const char *file, const char *line, | |
541 | const char *func, | |
542 | const struct iovec *iov, int n) { | |
543 | ||
b070e7f3 LP |
544 | struct iovec *niov; |
545 | char *f; | |
b070e7f3 | 546 | |
1ae464e0 TA |
547 | assert_return(iov, -EINVAL); |
548 | assert_return(n > 0, -EINVAL); | |
b070e7f3 LP |
549 | |
550 | niov = alloca(sizeof(struct iovec) * (n + 3)); | |
551 | memcpy(niov, iov, sizeof(struct iovec) * n); | |
552 | ||
3ed08c44 | 553 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
554 | |
555 | IOVEC_SET_STRING(niov[n++], file); | |
556 | IOVEC_SET_STRING(niov[n++], line); | |
557 | IOVEC_SET_STRING(niov[n++], f); | |
558 | ||
559 | return sd_journal_sendv(niov, n); | |
560 | } | |
18c7ed18 LP |
561 | |
562 | _public_ int sd_journal_perror_with_location( | |
563 | const char *file, const char *line, | |
564 | const char *func, | |
565 | const char *message) { | |
566 | ||
567 | struct iovec iov[6]; | |
18c7ed18 LP |
568 | char *f; |
569 | ||
3ed08c44 | 570 | ALLOCA_CODE_FUNC(f, func); |
18c7ed18 LP |
571 | |
572 | IOVEC_SET_STRING(iov[0], file); | |
573 | IOVEC_SET_STRING(iov[1], line); | |
574 | IOVEC_SET_STRING(iov[2], f); | |
575 | ||
576 | return fill_iovec_perror_and_send(message, 3, iov); | |
577 | } |