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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" |
7f3e6257 | 35 | |
bb99a35a LP |
36 | #define SNDBUF_SIZE (8*1024*1024) |
37 | ||
3ed08c44 LP |
38 | #define ALLOCA_CODE_FUNC(f, func) \ |
39 | do { \ | |
40 | size_t _fl; \ | |
41 | const char *_func = (func); \ | |
42 | char **_f = &(f); \ | |
43 | _fl = strlen(_func) + 1; \ | |
44 | *_f = alloca(_fl + 10); \ | |
45 | memcpy(*_f, "CODE_FUNC=", 10); \ | |
46 | memcpy(*_f + 10, _func, _fl); \ | |
47 | } while(false) | |
48 | ||
7f3e6257 LP |
49 | /* We open a single fd, and we'll share it with the current process, |
50 | * all its threads, and all its subprocesses. This means we need to | |
51 | * initialize it atomically, and need to operate on it atomically | |
52 | * never assuming we are the only user */ | |
53 | ||
54 | static int journal_fd(void) { | |
55 | int fd; | |
56 | static int fd_plus_one = 0; | |
57 | ||
58 | retry: | |
59 | if (fd_plus_one > 0) | |
60 | return fd_plus_one - 1; | |
61 | ||
62 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
63 | if (fd < 0) | |
64 | return -errno; | |
65 | ||
bb99a35a LP |
66 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
67 | ||
7f3e6257 | 68 | if (!__sync_bool_compare_and_swap(&fd_plus_one, 0, fd+1)) { |
03e334a1 | 69 | safe_close(fd); |
7f3e6257 LP |
70 | goto retry; |
71 | } | |
72 | ||
73 | return fd; | |
74 | } | |
75 | ||
a5344d2c | 76 | _public_ int sd_journal_print(int priority, const char *format, ...) { |
7f3e6257 LP |
77 | int r; |
78 | va_list ap; | |
79 | ||
80 | va_start(ap, format); | |
d0bbc21c | 81 | r = sd_journal_printv(priority, format, ap); |
7f3e6257 LP |
82 | va_end(ap); |
83 | ||
84 | return r; | |
85 | } | |
86 | ||
a5344d2c | 87 | _public_ int sd_journal_printv(int priority, const char *format, va_list ap) { |
18c7ed18 LP |
88 | |
89 | /* FIXME: Instead of limiting things to LINE_MAX we could do a | |
90 | C99 variable-length array on the stack here in a loop. */ | |
91 | ||
92 | char buffer[8 + LINE_MAX], p[11]; struct iovec iov[2]; | |
d0bbc21c | 93 | |
1ae464e0 TA |
94 | assert_return(priority >= 0, -EINVAL); |
95 | assert_return(priority <= 7, -EINVAL); | |
96 | assert_return(format, -EINVAL); | |
fe652127 | 97 | |
d0bbc21c LP |
98 | snprintf(p, sizeof(p), "PRIORITY=%i", priority & LOG_PRIMASK); |
99 | char_array_0(p); | |
7f3e6257 LP |
100 | |
101 | memcpy(buffer, "MESSAGE=", 8); | |
102 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
7f3e6257 LP |
103 | char_array_0(buffer); |
104 | ||
105 | zero(iov); | |
d0bbc21c LP |
106 | IOVEC_SET_STRING(iov[0], buffer); |
107 | IOVEC_SET_STRING(iov[1], p); | |
7f3e6257 | 108 | |
d0bbc21c | 109 | return sd_journal_sendv(iov, 2); |
7f3e6257 LP |
110 | } |
111 | ||
44b601bc | 112 | _printf_(1, 0) static int fill_iovec_sprintf(const char *format, va_list ap, int extra, struct iovec **_iov) { |
5c0aa72a | 113 | PROTECT_ERRNO; |
25d042e8 | 114 | int r, n = 0, i = 0, j; |
7f3e6257 | 115 | struct iovec *iov = NULL; |
b070e7f3 LP |
116 | |
117 | assert(_iov); | |
b070e7f3 LP |
118 | |
119 | if (extra > 0) { | |
120 | n = MAX(extra * 2, extra + 4); | |
121 | iov = malloc0(n * sizeof(struct iovec)); | |
122 | if (!iov) { | |
123 | r = -ENOMEM; | |
124 | goto fail; | |
125 | } | |
126 | ||
127 | i = extra; | |
25d042e8 | 128 | } |
7f3e6257 | 129 | |
7f3e6257 LP |
130 | while (format) { |
131 | struct iovec *c; | |
132 | char *buffer; | |
72f1d5a2 | 133 | va_list aq; |
7f3e6257 LP |
134 | |
135 | if (i >= n) { | |
136 | n = MAX(i*2, 4); | |
137 | c = realloc(iov, n * sizeof(struct iovec)); | |
138 | if (!c) { | |
139 | r = -ENOMEM; | |
140 | goto fail; | |
141 | } | |
142 | ||
143 | iov = c; | |
144 | } | |
145 | ||
72f1d5a2 LP |
146 | va_copy(aq, ap); |
147 | if (vasprintf(&buffer, format, aq) < 0) { | |
148 | va_end(aq); | |
7f3e6257 LP |
149 | r = -ENOMEM; |
150 | goto fail; | |
151 | } | |
72f1d5a2 LP |
152 | va_end(aq); |
153 | ||
154 | VA_FORMAT_ADVANCE(format, ap); | |
7f3e6257 LP |
155 | |
156 | IOVEC_SET_STRING(iov[i++], buffer); | |
157 | ||
158 | format = va_arg(ap, char *); | |
159 | } | |
b070e7f3 LP |
160 | |
161 | *_iov = iov; | |
162 | ||
b070e7f3 LP |
163 | return i; |
164 | ||
165 | fail: | |
166 | for (j = 0; j < i; j++) | |
167 | free(iov[j].iov_base); | |
168 | ||
169 | free(iov); | |
170 | ||
b070e7f3 LP |
171 | return r; |
172 | } | |
173 | ||
174 | _public_ int sd_journal_send(const char *format, ...) { | |
175 | int r, i, j; | |
176 | va_list ap; | |
177 | struct iovec *iov = NULL; | |
178 | ||
179 | va_start(ap, format); | |
180 | i = fill_iovec_sprintf(format, ap, 0, &iov); | |
7f3e6257 LP |
181 | va_end(ap); |
182 | ||
b070e7f3 LP |
183 | if (_unlikely_(i < 0)) { |
184 | r = i; | |
185 | goto finish; | |
186 | } | |
187 | ||
7f3e6257 LP |
188 | r = sd_journal_sendv(iov, i); |
189 | ||
b070e7f3 | 190 | finish: |
7f3e6257 LP |
191 | for (j = 0; j < i; j++) |
192 | free(iov[j].iov_base); | |
193 | ||
194 | free(iov); | |
195 | ||
196 | return r; | |
197 | } | |
198 | ||
a5344d2c | 199 | _public_ int sd_journal_sendv(const struct iovec *iov, int n) { |
5c0aa72a | 200 | PROTECT_ERRNO; |
c79e98ea | 201 | int fd, r; |
61c024b3 | 202 | _cleanup_close_ int buffer_fd = -1; |
7f3e6257 LP |
203 | struct iovec *w; |
204 | uint64_t *l; | |
5c0aa72a | 205 | int i, j = 0; |
6e5abe15 ZJS |
206 | struct sockaddr_un sa = { |
207 | .sun_family = AF_UNIX, | |
208 | .sun_path = "/run/systemd/journal/socket", | |
209 | }; | |
210 | struct msghdr mh = { | |
211 | .msg_name = &sa, | |
212 | .msg_namelen = offsetof(struct sockaddr_un, sun_path) + strlen(sa.sun_path), | |
213 | }; | |
0dad12c1 LP |
214 | ssize_t k; |
215 | union { | |
216 | struct cmsghdr cmsghdr; | |
217 | uint8_t buf[CMSG_SPACE(sizeof(int))]; | |
218 | } control; | |
219 | struct cmsghdr *cmsg; | |
ee55db41 | 220 | bool have_syslog_identifier = false; |
c79e98ea | 221 | bool seal = true; |
7f3e6257 | 222 | |
1ae464e0 TA |
223 | assert_return(iov, -EINVAL); |
224 | assert_return(n > 0, -EINVAL); | |
7f3e6257 | 225 | |
ee55db41 | 226 | w = alloca(sizeof(struct iovec) * n * 5 + 3); |
7f3e6257 LP |
227 | l = alloca(sizeof(uint64_t) * n); |
228 | ||
229 | for (i = 0; i < n; i++) { | |
230 | char *c, *nl; | |
231 | ||
5c0aa72a LP |
232 | if (_unlikely_(!iov[i].iov_base || iov[i].iov_len <= 1)) |
233 | return -EINVAL; | |
a5344d2c | 234 | |
7f3e6257 | 235 | c = memchr(iov[i].iov_base, '=', iov[i].iov_len); |
5c0aa72a LP |
236 | if (_unlikely_(!c || c == iov[i].iov_base)) |
237 | return -EINVAL; | |
7f3e6257 | 238 | |
29abad10 ZJS |
239 | have_syslog_identifier = have_syslog_identifier || |
240 | (c == (char *) iov[i].iov_base + 17 && | |
2a0e0692 | 241 | startswith(iov[i].iov_base, "SYSLOG_IDENTIFIER")); |
ee55db41 | 242 | |
7f3e6257 LP |
243 | nl = memchr(iov[i].iov_base, '\n', iov[i].iov_len); |
244 | if (nl) { | |
5c0aa72a LP |
245 | if (_unlikely_(nl < c)) |
246 | return -EINVAL; | |
7f3e6257 LP |
247 | |
248 | /* Already includes a newline? Bummer, then | |
249 | * let's write the variable name, then a | |
250 | * newline, then the size (64bit LE), followed | |
251 | * by the data and a final newline */ | |
252 | ||
253 | w[j].iov_base = iov[i].iov_base; | |
254 | w[j].iov_len = c - (char*) iov[i].iov_base; | |
255 | j++; | |
256 | ||
257 | IOVEC_SET_STRING(w[j++], "\n"); | |
258 | ||
259 | l[i] = htole64(iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1); | |
260 | w[j].iov_base = &l[i]; | |
261 | w[j].iov_len = sizeof(uint64_t); | |
262 | j++; | |
263 | ||
264 | w[j].iov_base = c + 1; | |
265 | w[j].iov_len = iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1; | |
266 | j++; | |
267 | ||
268 | } else | |
269 | /* Nothing special? Then just add the line and | |
270 | * append a newline */ | |
271 | w[j++] = iov[i]; | |
272 | ||
273 | IOVEC_SET_STRING(w[j++], "\n"); | |
274 | } | |
275 | ||
ee55db41 LP |
276 | if (!have_syslog_identifier && |
277 | string_is_safe(program_invocation_short_name)) { | |
278 | ||
279 | /* Implicitly add program_invocation_short_name, if it | |
280 | * is not set explicitly. We only do this for | |
281 | * program_invocation_short_name, and nothing else | |
282 | * since everything else is much nicer to retrieve | |
283 | * from the outside. */ | |
284 | ||
285 | IOVEC_SET_STRING(w[j++], "SYSLOG_IDENTIFIER="); | |
286 | IOVEC_SET_STRING(w[j++], program_invocation_short_name); | |
287 | IOVEC_SET_STRING(w[j++], "\n"); | |
288 | } | |
289 | ||
7f3e6257 | 290 | fd = journal_fd(); |
5c0aa72a LP |
291 | if (_unlikely_(fd < 0)) |
292 | return fd; | |
7f3e6257 | 293 | |
7f3e6257 LP |
294 | mh.msg_iov = w; |
295 | mh.msg_iovlen = j; | |
296 | ||
0dad12c1 | 297 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); |
5c0aa72a LP |
298 | if (k >= 0) |
299 | return 0; | |
0dad12c1 | 300 | |
6c045c0b ZJS |
301 | /* Fail silently if the journal is not available */ |
302 | if (errno == ENOENT) | |
303 | return 0; | |
304 | ||
5c0aa72a LP |
305 | if (errno != EMSGSIZE && errno != ENOBUFS) |
306 | return -errno; | |
0dad12c1 | 307 | |
c79e98ea LP |
308 | /* Message doesn't fit... Let's dump the data in a memfd or |
309 | * temporary file and just pass a file descriptor of it to the | |
310 | * other side. | |
8e33886e | 311 | * |
c79e98ea LP |
312 | * For the temporary files we use /dev/shm instead of /tmp |
313 | * here, since we want this to be a tmpfs, and one that is | |
314 | * available from early boot on and where unprivileged users | |
315 | * can create files. */ | |
316 | buffer_fd = memfd_create("journal-message", MFD_ALLOW_SEALING | MFD_CLOEXEC); | |
317 | if (buffer_fd < 0) { | |
318 | if (errno == ENOSYS) { | |
319 | buffer_fd = open_tmpfile("/dev/shm", O_RDWR | O_CLOEXEC); | |
320 | if (buffer_fd < 0) | |
321 | return buffer_fd; | |
322 | ||
323 | seal = false; | |
324 | } else | |
325 | return -errno; | |
326 | } | |
0dad12c1 | 327 | |
87b02843 | 328 | n = writev(buffer_fd, w, j); |
61c024b3 | 329 | if (n < 0) |
5c0aa72a | 330 | return -errno; |
0dad12c1 | 331 | |
c79e98ea LP |
332 | if (seal) { |
333 | r = fcntl(buffer_fd, F_ADD_SEALS, F_SEAL_SHRINK | F_SEAL_GROW | F_SEAL_WRITE | F_SEAL_SEAL); | |
334 | if (r < 0) | |
335 | return -errno; | |
336 | } | |
337 | ||
0dad12c1 LP |
338 | mh.msg_iov = NULL; |
339 | mh.msg_iovlen = 0; | |
340 | ||
341 | zero(control); | |
342 | mh.msg_control = &control; | |
343 | mh.msg_controllen = sizeof(control); | |
344 | ||
345 | cmsg = CMSG_FIRSTHDR(&mh); | |
346 | cmsg->cmsg_level = SOL_SOCKET; | |
347 | cmsg->cmsg_type = SCM_RIGHTS; | |
348 | cmsg->cmsg_len = CMSG_LEN(sizeof(int)); | |
349 | memcpy(CMSG_DATA(cmsg), &buffer_fd, sizeof(int)); | |
350 | ||
351 | mh.msg_controllen = cmsg->cmsg_len; | |
352 | ||
353 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); | |
5c0aa72a LP |
354 | if (k < 0) |
355 | return -errno; | |
7f3e6257 | 356 | |
5c0aa72a | 357 | return 0; |
7f3e6257 | 358 | } |
fe652127 | 359 | |
18c7ed18 | 360 | static int fill_iovec_perror_and_send(const char *message, int skip, struct iovec iov[]) { |
5c0aa72a LP |
361 | PROTECT_ERRNO; |
362 | size_t n, k; | |
18c7ed18 LP |
363 | |
364 | k = isempty(message) ? 0 : strlen(message) + 2; | |
365 | n = 8 + k + 256 + 1; | |
366 | ||
367 | for (;;) { | |
368 | char buffer[n]; | |
369 | char* j; | |
370 | ||
371 | errno = 0; | |
5c0aa72a | 372 | j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
18c7ed18 LP |
373 | if (errno == 0) { |
374 | char error[6 + 10 + 1]; /* for a 32bit value */ | |
375 | ||
376 | if (j != buffer + 8 + k) | |
377 | memmove(buffer + 8 + k, j, strlen(j)+1); | |
378 | ||
379 | memcpy(buffer, "MESSAGE=", 8); | |
380 | ||
381 | if (k > 0) { | |
382 | memcpy(buffer + 8, message, k - 2); | |
383 | memcpy(buffer + 8 + k - 2, ": ", 2); | |
384 | } | |
385 | ||
5c0aa72a | 386 | snprintf(error, sizeof(error), "ERRNO=%u", _saved_errno_); |
18c7ed18 LP |
387 | char_array_0(error); |
388 | ||
389 | IOVEC_SET_STRING(iov[skip+0], "PRIORITY=3"); | |
390 | IOVEC_SET_STRING(iov[skip+1], buffer); | |
391 | IOVEC_SET_STRING(iov[skip+2], error); | |
392 | ||
5c0aa72a | 393 | return sd_journal_sendv(iov, skip + 3); |
18c7ed18 LP |
394 | } |
395 | ||
5c0aa72a LP |
396 | if (errno != ERANGE) |
397 | return -errno; | |
18c7ed18 LP |
398 | |
399 | n *= 2; | |
400 | } | |
401 | } | |
402 | ||
403 | _public_ int sd_journal_perror(const char *message) { | |
404 | struct iovec iovec[3]; | |
405 | ||
406 | return fill_iovec_perror_and_send(message, 0, iovec); | |
407 | } | |
408 | ||
4cd9a9d9 | 409 | _public_ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) { |
6e5abe15 ZJS |
410 | union sockaddr_union sa = { |
411 | .un.sun_family = AF_UNIX, | |
412 | .un.sun_path = "/run/systemd/journal/stdout", | |
413 | }; | |
61c024b3 | 414 | _cleanup_close_ int fd = -1; |
fe652127 LP |
415 | char *header; |
416 | size_t l; | |
61c024b3 | 417 | int r; |
fe652127 | 418 | |
1ae464e0 TA |
419 | assert_return(priority >= 0, -EINVAL); |
420 | assert_return(priority <= 7, -EINVAL); | |
fe652127 LP |
421 | |
422 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
423 | if (fd < 0) | |
424 | return -errno; | |
425 | ||
fe652127 | 426 | r = connect(fd, &sa.sa, offsetof(union sockaddr_union, un.sun_path) + strlen(sa.un.sun_path)); |
61c024b3 | 427 | if (r < 0) |
fe652127 | 428 | return -errno; |
fe652127 | 429 | |
61c024b3 | 430 | if (shutdown(fd, SHUT_RD) < 0) |
86b9b8e7 | 431 | return -errno; |
86b9b8e7 | 432 | |
bb99a35a LP |
433 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
434 | ||
4cd9a9d9 LP |
435 | if (!identifier) |
436 | identifier = ""; | |
fe652127 | 437 | |
4cd9a9d9 | 438 | l = strlen(identifier); |
8b38f3cc | 439 | header = alloca(l + 1 + 1 + 2 + 2 + 2 + 2 + 2); |
fe652127 | 440 | |
4cd9a9d9 | 441 | memcpy(header, identifier, l); |
fe652127 | 442 | header[l++] = '\n'; |
a6e87e90 | 443 | header[l++] = '\n'; /* unit id */ |
fe652127 LP |
444 | header[l++] = '0' + priority; |
445 | header[l++] = '\n'; | |
4cd9a9d9 | 446 | header[l++] = '0' + !!level_prefix; |
fe652127 LP |
447 | header[l++] = '\n'; |
448 | header[l++] = '0'; | |
449 | header[l++] = '\n'; | |
224f2ee2 LP |
450 | header[l++] = '0'; |
451 | header[l++] = '\n'; | |
452 | header[l++] = '0'; | |
453 | header[l++] = '\n'; | |
fe652127 | 454 | |
61c024b3 ZJS |
455 | r = (int) loop_write(fd, header, l, false); |
456 | if (r < 0) | |
457 | return r; | |
fe652127 | 458 | |
61c024b3 | 459 | if ((size_t) r != l) |
fe652127 | 460 | return -errno; |
fe652127 | 461 | |
61c024b3 ZJS |
462 | r = fd; |
463 | fd = -1; | |
464 | return r; | |
fe652127 | 465 | } |
b070e7f3 LP |
466 | |
467 | _public_ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) { | |
468 | int r; | |
469 | va_list ap; | |
470 | ||
471 | va_start(ap, format); | |
472 | r = sd_journal_printv_with_location(priority, file, line, func, format, ap); | |
473 | va_end(ap); | |
474 | ||
475 | return r; | |
476 | } | |
477 | ||
478 | _public_ int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap) { | |
479 | char buffer[8 + LINE_MAX], p[11]; | |
480 | struct iovec iov[5]; | |
481 | char *f; | |
b070e7f3 | 482 | |
1ae464e0 TA |
483 | assert_return(priority >= 0, -EINVAL); |
484 | assert_return(priority <= 7, -EINVAL); | |
485 | assert_return(format, -EINVAL); | |
b070e7f3 LP |
486 | |
487 | snprintf(p, sizeof(p), "PRIORITY=%i", priority & LOG_PRIMASK); | |
488 | char_array_0(p); | |
489 | ||
490 | memcpy(buffer, "MESSAGE=", 8); | |
491 | vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap); | |
492 | char_array_0(buffer); | |
493 | ||
494 | /* func is initialized from __func__ which is not a macro, but | |
495 | * a static const char[], hence cannot easily be prefixed with | |
496 | * CODE_FUNC=, hence let's do it manually here. */ | |
3ed08c44 | 497 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
498 | |
499 | zero(iov); | |
500 | IOVEC_SET_STRING(iov[0], buffer); | |
501 | IOVEC_SET_STRING(iov[1], p); | |
502 | IOVEC_SET_STRING(iov[2], file); | |
503 | IOVEC_SET_STRING(iov[3], line); | |
504 | IOVEC_SET_STRING(iov[4], f); | |
505 | ||
506 | return sd_journal_sendv(iov, ELEMENTSOF(iov)); | |
507 | } | |
508 | ||
509 | _public_ int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) { | |
510 | int r, i, j; | |
511 | va_list ap; | |
512 | struct iovec *iov = NULL; | |
513 | char *f; | |
b070e7f3 LP |
514 | |
515 | va_start(ap, format); | |
516 | i = fill_iovec_sprintf(format, ap, 3, &iov); | |
517 | va_end(ap); | |
518 | ||
519 | if (_unlikely_(i < 0)) { | |
520 | r = i; | |
521 | goto finish; | |
522 | } | |
523 | ||
3ed08c44 | 524 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
525 | |
526 | IOVEC_SET_STRING(iov[0], file); | |
527 | IOVEC_SET_STRING(iov[1], line); | |
528 | IOVEC_SET_STRING(iov[2], f); | |
529 | ||
530 | r = sd_journal_sendv(iov, i); | |
531 | ||
532 | finish: | |
533 | for (j = 3; j < i; j++) | |
534 | free(iov[j].iov_base); | |
535 | ||
536 | free(iov); | |
537 | ||
538 | return r; | |
539 | } | |
540 | ||
18c7ed18 LP |
541 | _public_ int sd_journal_sendv_with_location( |
542 | const char *file, const char *line, | |
543 | const char *func, | |
544 | const struct iovec *iov, int n) { | |
545 | ||
b070e7f3 LP |
546 | struct iovec *niov; |
547 | char *f; | |
b070e7f3 | 548 | |
1ae464e0 TA |
549 | assert_return(iov, -EINVAL); |
550 | assert_return(n > 0, -EINVAL); | |
b070e7f3 LP |
551 | |
552 | niov = alloca(sizeof(struct iovec) * (n + 3)); | |
553 | memcpy(niov, iov, sizeof(struct iovec) * n); | |
554 | ||
3ed08c44 | 555 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 LP |
556 | |
557 | IOVEC_SET_STRING(niov[n++], file); | |
558 | IOVEC_SET_STRING(niov[n++], line); | |
559 | IOVEC_SET_STRING(niov[n++], f); | |
560 | ||
561 | return sd_journal_sendv(niov, n); | |
562 | } | |
18c7ed18 LP |
563 | |
564 | _public_ int sd_journal_perror_with_location( | |
565 | const char *file, const char *line, | |
566 | const char *func, | |
567 | const char *message) { | |
568 | ||
569 | struct iovec iov[6]; | |
18c7ed18 LP |
570 | char *f; |
571 | ||
3ed08c44 | 572 | ALLOCA_CODE_FUNC(f, func); |
18c7ed18 LP |
573 | |
574 | IOVEC_SET_STRING(iov[0], file); | |
575 | IOVEC_SET_STRING(iov[1], line); | |
576 | IOVEC_SET_STRING(iov[2], f); | |
577 | ||
578 | return fill_iovec_perror_and_send(message, 3, iov); | |
579 | } |