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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
7f3e6257 | 2 | |
7f3e6257 | 3 | #include <errno.h> |
0dad12c1 | 4 | #include <fcntl.h> |
72f1d5a2 | 5 | #include <printf.h> |
07630cea | 6 | #include <stddef.h> |
07630cea LP |
7 | #include <sys/un.h> |
8 | #include <unistd.h> | |
7f3e6257 | 9 | |
b070e7f3 LP |
10 | #define SD_JOURNAL_SUPPRESS_LOCATION |
11 | ||
7f3e6257 | 12 | #include "sd-journal.h" |
07630cea | 13 | |
b5efdb8a | 14 | #include "alloc-util.h" |
2b2fec7d | 15 | #include "errno-util.h" |
3ffd4af2 | 16 | #include "fd-util.h" |
c004493c | 17 | #include "io-util.h" |
2eaf435a | 18 | #include "fileio.h" |
a09abc4a | 19 | #include "memfd-util.h" |
07630cea | 20 | #include "socket-util.h" |
15a5e950 | 21 | #include "stdio-util.h" |
07630cea | 22 | #include "string-util.h" |
e4de7287 | 23 | #include "tmpfile-util.h" |
7f3e6257 | 24 | |
bb99a35a LP |
25 | #define SNDBUF_SIZE (8*1024*1024) |
26 | ||
3ed08c44 LP |
27 | #define ALLOCA_CODE_FUNC(f, func) \ |
28 | do { \ | |
29 | size_t _fl; \ | |
30 | const char *_func = (func); \ | |
31 | char **_f = &(f); \ | |
32 | _fl = strlen(_func) + 1; \ | |
6e9417f5 | 33 | *_f = newa(char, _fl + 10); \ |
3ed08c44 LP |
34 | memcpy(*_f, "CODE_FUNC=", 10); \ |
35 | memcpy(*_f + 10, _func, _fl); \ | |
9ed794a3 | 36 | } while (false) |
3ed08c44 | 37 | |
7f3e6257 LP |
38 | /* We open a single fd, and we'll share it with the current process, |
39 | * all its threads, and all its subprocesses. This means we need to | |
40 | * initialize it atomically, and need to operate on it atomically | |
41 | * never assuming we are the only user */ | |
42 | ||
43 | static int journal_fd(void) { | |
44 | int fd; | |
45 | static int fd_plus_one = 0; | |
46 | ||
47 | retry: | |
48 | if (fd_plus_one > 0) | |
49 | return fd_plus_one - 1; | |
50 | ||
51 | fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0); | |
52 | if (fd < 0) | |
53 | return -errno; | |
54 | ||
bb99a35a LP |
55 | fd_inc_sndbuf(fd, SNDBUF_SIZE); |
56 | ||
7f3e6257 | 57 | if (!__sync_bool_compare_and_swap(&fd_plus_one, 0, fd+1)) { |
03e334a1 | 58 | safe_close(fd); |
7f3e6257 LP |
59 | goto retry; |
60 | } | |
61 | ||
62 | return fd; | |
63 | } | |
64 | ||
a5344d2c | 65 | _public_ int sd_journal_print(int priority, const char *format, ...) { |
7f3e6257 LP |
66 | int r; |
67 | va_list ap; | |
68 | ||
69 | va_start(ap, format); | |
d0bbc21c | 70 | r = sd_journal_printv(priority, format, ap); |
7f3e6257 LP |
71 | va_end(ap); |
72 | ||
73 | return r; | |
74 | } | |
75 | ||
a5344d2c | 76 | _public_ int sd_journal_printv(int priority, const char *format, va_list ap) { |
2eaf435a AJ |
77 | char p[STRLEN("PRIORITY=") + DECIMAL_STR_MAX(int) + 1]; |
78 | char sbuf[LINE_MAX + 8] = "MESSAGE="; | |
5ffa8c81 | 79 | struct iovec iov[2]; |
2eaf435a AJ |
80 | int len; |
81 | va_list aq; | |
82 | char *buffer = sbuf; | |
d0bbc21c | 83 | |
1ae464e0 TA |
84 | assert_return(priority >= 0, -EINVAL); |
85 | assert_return(priority <= 7, -EINVAL); | |
86 | assert_return(format, -EINVAL); | |
fe652127 | 87 | |
5ffa8c81 | 88 | xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK); |
7f3e6257 | 89 | |
2eaf435a AJ |
90 | va_copy(aq, ap); |
91 | len = vsnprintf(buffer + 8, LINE_MAX, format, aq); | |
92 | va_end(aq); | |
93 | ||
94 | if (len >= (int)LONG_LINE_MAX - 8) | |
95 | return -ENOBUFS; | |
96 | ||
15dd4515 | 97 | /* Allocate large buffer to accommodate big message */ |
2eaf435a AJ |
98 | if (len >= LINE_MAX) { |
99 | int rlen; | |
100 | buffer = alloca(len + 9); | |
101 | memcpy(buffer, "MESSAGE=", 8); | |
102 | rlen = vsnprintf(buffer + 8, len + 1, format, ap); | |
103 | assert(len == rlen); | |
104 | } | |
7f3e6257 | 105 | |
c24f1f9d LP |
106 | /* Strip trailing whitespace, keep prefix whitespace. */ |
107 | (void) strstrip(buffer); | |
108 | ||
0d23bc57 | 109 | /* Suppress empty lines */ |
2eaf435a | 110 | if (isempty(buffer + 8)) |
0d23bc57 LP |
111 | return 0; |
112 | ||
e6a7ec4b LP |
113 | iov[0] = IOVEC_MAKE_STRING(buffer); |
114 | iov[1] = IOVEC_MAKE_STRING(p); | |
7f3e6257 | 115 | |
d0bbc21c | 116 | return sd_journal_sendv(iov, 2); |
7f3e6257 LP |
117 | } |
118 | ||
44b601bc | 119 | _printf_(1, 0) static int fill_iovec_sprintf(const char *format, va_list ap, int extra, struct iovec **_iov) { |
5c0aa72a | 120 | PROTECT_ERRNO; |
25d042e8 | 121 | int r, n = 0, i = 0, j; |
7f3e6257 | 122 | struct iovec *iov = NULL; |
b070e7f3 LP |
123 | |
124 | assert(_iov); | |
b070e7f3 LP |
125 | |
126 | if (extra > 0) { | |
127 | n = MAX(extra * 2, extra + 4); | |
128 | iov = malloc0(n * sizeof(struct iovec)); | |
129 | if (!iov) { | |
130 | r = -ENOMEM; | |
131 | goto fail; | |
132 | } | |
133 | ||
134 | i = extra; | |
25d042e8 | 135 | } |
7f3e6257 | 136 | |
7f3e6257 LP |
137 | while (format) { |
138 | struct iovec *c; | |
139 | char *buffer; | |
72f1d5a2 | 140 | va_list aq; |
7f3e6257 LP |
141 | |
142 | if (i >= n) { | |
143 | n = MAX(i*2, 4); | |
144 | c = realloc(iov, n * sizeof(struct iovec)); | |
145 | if (!c) { | |
146 | r = -ENOMEM; | |
147 | goto fail; | |
148 | } | |
149 | ||
150 | iov = c; | |
151 | } | |
152 | ||
72f1d5a2 LP |
153 | va_copy(aq, ap); |
154 | if (vasprintf(&buffer, format, aq) < 0) { | |
155 | va_end(aq); | |
7f3e6257 LP |
156 | r = -ENOMEM; |
157 | goto fail; | |
158 | } | |
72f1d5a2 LP |
159 | va_end(aq); |
160 | ||
161 | VA_FORMAT_ADVANCE(format, ap); | |
7f3e6257 | 162 | |
c24f1f9d LP |
163 | (void) strstrip(buffer); /* strip trailing whitespace, keep prefixing whitespace */ |
164 | ||
e6a7ec4b | 165 | iov[i++] = IOVEC_MAKE_STRING(buffer); |
7f3e6257 LP |
166 | |
167 | format = va_arg(ap, char *); | |
168 | } | |
b070e7f3 LP |
169 | |
170 | *_iov = iov; | |
171 | ||
b070e7f3 LP |
172 | return i; |
173 | ||
174 | fail: | |
175 | for (j = 0; j < i; j++) | |
176 | free(iov[j].iov_base); | |
177 | ||
178 | free(iov); | |
179 | ||
b070e7f3 LP |
180 | return r; |
181 | } | |
182 | ||
183 | _public_ int sd_journal_send(const char *format, ...) { | |
184 | int r, i, j; | |
185 | va_list ap; | |
186 | struct iovec *iov = NULL; | |
187 | ||
188 | va_start(ap, format); | |
189 | i = fill_iovec_sprintf(format, ap, 0, &iov); | |
7f3e6257 LP |
190 | va_end(ap); |
191 | ||
b070e7f3 LP |
192 | if (_unlikely_(i < 0)) { |
193 | r = i; | |
194 | goto finish; | |
195 | } | |
196 | ||
7f3e6257 LP |
197 | r = sd_journal_sendv(iov, i); |
198 | ||
b070e7f3 | 199 | finish: |
7f3e6257 LP |
200 | for (j = 0; j < i; j++) |
201 | free(iov[j].iov_base); | |
202 | ||
203 | free(iov); | |
204 | ||
205 | return r; | |
206 | } | |
207 | ||
a5344d2c | 208 | _public_ int sd_journal_sendv(const struct iovec *iov, int n) { |
5c0aa72a | 209 | PROTECT_ERRNO; |
c79e98ea | 210 | int fd, r; |
61c024b3 | 211 | _cleanup_close_ int buffer_fd = -1; |
7f3e6257 LP |
212 | struct iovec *w; |
213 | uint64_t *l; | |
5c0aa72a | 214 | int i, j = 0; |
fc2fffe7 LP |
215 | static const union sockaddr_union sa = { |
216 | .un.sun_family = AF_UNIX, | |
217 | .un.sun_path = "/run/systemd/journal/socket", | |
6e5abe15 ZJS |
218 | }; |
219 | struct msghdr mh = { | |
fc2fffe7 LP |
220 | .msg_name = (struct sockaddr*) &sa.sa, |
221 | .msg_namelen = SOCKADDR_UN_LEN(sa.un), | |
6e5abe15 | 222 | }; |
0dad12c1 | 223 | ssize_t k; |
ee55db41 | 224 | bool have_syslog_identifier = false; |
c79e98ea | 225 | bool seal = true; |
7f3e6257 | 226 | |
1ae464e0 TA |
227 | assert_return(iov, -EINVAL); |
228 | assert_return(n > 0, -EINVAL); | |
7f3e6257 | 229 | |
9a7800af ZJS |
230 | w = newa(struct iovec, n * 5 + 3); |
231 | l = newa(uint64_t, n); | |
7f3e6257 LP |
232 | |
233 | for (i = 0; i < n; i++) { | |
234 | char *c, *nl; | |
235 | ||
5c0aa72a LP |
236 | if (_unlikely_(!iov[i].iov_base || iov[i].iov_len <= 1)) |
237 | return -EINVAL; | |
a5344d2c | 238 | |
7f3e6257 | 239 | c = memchr(iov[i].iov_base, '=', iov[i].iov_len); |
5c0aa72a LP |
240 | if (_unlikely_(!c || c == iov[i].iov_base)) |
241 | return -EINVAL; | |
7f3e6257 | 242 | |
29abad10 ZJS |
243 | have_syslog_identifier = have_syslog_identifier || |
244 | (c == (char *) iov[i].iov_base + 17 && | |
2a0e0692 | 245 | startswith(iov[i].iov_base, "SYSLOG_IDENTIFIER")); |
ee55db41 | 246 | |
7f3e6257 LP |
247 | nl = memchr(iov[i].iov_base, '\n', iov[i].iov_len); |
248 | if (nl) { | |
5c0aa72a LP |
249 | if (_unlikely_(nl < c)) |
250 | return -EINVAL; | |
7f3e6257 LP |
251 | |
252 | /* Already includes a newline? Bummer, then | |
253 | * let's write the variable name, then a | |
254 | * newline, then the size (64bit LE), followed | |
255 | * by the data and a final newline */ | |
256 | ||
e6a7ec4b LP |
257 | w[j++] = IOVEC_MAKE(iov[i].iov_base, c - (char*) iov[i].iov_base); |
258 | w[j++] = IOVEC_MAKE_STRING("\n"); | |
7f3e6257 LP |
259 | |
260 | l[i] = htole64(iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1); | |
e6a7ec4b | 261 | w[j++] = IOVEC_MAKE(&l[i], sizeof(uint64_t)); |
7f3e6257 | 262 | |
e6a7ec4b | 263 | w[j++] = IOVEC_MAKE(c + 1, iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1); |
7f3e6257 LP |
264 | } else |
265 | /* Nothing special? Then just add the line and | |
266 | * append a newline */ | |
267 | w[j++] = iov[i]; | |
268 | ||
e6a7ec4b | 269 | w[j++] = IOVEC_MAKE_STRING("\n"); |
7f3e6257 LP |
270 | } |
271 | ||
ee55db41 LP |
272 | if (!have_syslog_identifier && |
273 | string_is_safe(program_invocation_short_name)) { | |
274 | ||
275 | /* Implicitly add program_invocation_short_name, if it | |
276 | * is not set explicitly. We only do this for | |
277 | * program_invocation_short_name, and nothing else | |
278 | * since everything else is much nicer to retrieve | |
279 | * from the outside. */ | |
280 | ||
e6a7ec4b LP |
281 | w[j++] = IOVEC_MAKE_STRING("SYSLOG_IDENTIFIER="); |
282 | w[j++] = IOVEC_MAKE_STRING(program_invocation_short_name); | |
283 | w[j++] = IOVEC_MAKE_STRING("\n"); | |
ee55db41 LP |
284 | } |
285 | ||
7f3e6257 | 286 | fd = journal_fd(); |
5c0aa72a LP |
287 | if (_unlikely_(fd < 0)) |
288 | return fd; | |
7f3e6257 | 289 | |
7f3e6257 LP |
290 | mh.msg_iov = w; |
291 | mh.msg_iovlen = j; | |
292 | ||
0dad12c1 | 293 | k = sendmsg(fd, &mh, MSG_NOSIGNAL); |
5c0aa72a LP |
294 | if (k >= 0) |
295 | return 0; | |
0dad12c1 | 296 | |
6c045c0b ZJS |
297 | /* Fail silently if the journal is not available */ |
298 | if (errno == ENOENT) | |
299 | return 0; | |
300 | ||
ec2ce0c5 | 301 | if (!IN_SET(errno, EMSGSIZE, ENOBUFS)) |
5c0aa72a | 302 | return -errno; |
0dad12c1 | 303 | |
c79e98ea LP |
304 | /* Message doesn't fit... Let's dump the data in a memfd or |
305 | * temporary file and just pass a file descriptor of it to the | |
306 | * other side. | |
8e33886e | 307 | * |
c79e98ea LP |
308 | * For the temporary files we use /dev/shm instead of /tmp |
309 | * here, since we want this to be a tmpfs, and one that is | |
310 | * available from early boot on and where unprivileged users | |
311 | * can create files. */ | |
73843b52 | 312 | buffer_fd = memfd_new(NULL); |
c79e98ea | 313 | if (buffer_fd < 0) { |
73843b52 | 314 | if (buffer_fd == -ENOSYS) { |
03532f0a | 315 | buffer_fd = open_tmpfile_unlinkable("/dev/shm", O_RDWR | O_CLOEXEC); |
c79e98ea LP |
316 | if (buffer_fd < 0) |
317 | return buffer_fd; | |
318 | ||
319 | seal = false; | |
320 | } else | |
73843b52 | 321 | return buffer_fd; |
c79e98ea | 322 | } |
0dad12c1 | 323 | |
87b02843 | 324 | n = writev(buffer_fd, w, j); |
61c024b3 | 325 | if (n < 0) |
5c0aa72a | 326 | return -errno; |
0dad12c1 | 327 | |
c79e98ea | 328 | if (seal) { |
73843b52 | 329 | r = memfd_set_sealed(buffer_fd); |
c79e98ea | 330 | if (r < 0) |
73843b52 | 331 | return r; |
c79e98ea LP |
332 | } |
333 | ||
4941e4ac ZJS |
334 | r = send_one_fd_sa(fd, buffer_fd, mh.msg_name, mh.msg_namelen, 0); |
335 | if (r == -ENOENT) | |
336 | /* Fail silently if the journal is not available */ | |
337 | return 0; | |
338 | return r; | |
7f3e6257 | 339 | } |
fe652127 | 340 | |
18c7ed18 | 341 | static int fill_iovec_perror_and_send(const char *message, int skip, struct iovec iov[]) { |
5c0aa72a LP |
342 | PROTECT_ERRNO; |
343 | size_t n, k; | |
18c7ed18 LP |
344 | |
345 | k = isempty(message) ? 0 : strlen(message) + 2; | |
346 | n = 8 + k + 256 + 1; | |
347 | ||
348 | for (;;) { | |
349 | char buffer[n]; | |
350 | char* j; | |
351 | ||
352 | errno = 0; | |
5c0aa72a | 353 | j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k); |
18c7ed18 | 354 | if (errno == 0) { |
fbd0b64f | 355 | char error[STRLEN("ERRNO=") + DECIMAL_STR_MAX(int) + 1]; |
18c7ed18 LP |
356 | |
357 | if (j != buffer + 8 + k) | |
358 | memmove(buffer + 8 + k, j, strlen(j)+1); | |
359 | ||
360 | memcpy(buffer, "MESSAGE=", 8); | |
361 | ||
362 | if (k > 0) { | |
363 | memcpy(buffer + 8, message, k - 2); | |
364 | memcpy(buffer + 8 + k - 2, ": ", 2); | |
365 | } | |
366 | ||
5ffa8c81 | 367 | xsprintf(error, "ERRNO=%i", _saved_errno_); |
18c7ed18 | 368 | |
4850d39a | 369 | assert_cc(3 == LOG_ERR); |
e6a7ec4b LP |
370 | iov[skip+0] = IOVEC_MAKE_STRING("PRIORITY=3"); |
371 | iov[skip+1] = IOVEC_MAKE_STRING(buffer); | |
372 | iov[skip+2] = IOVEC_MAKE_STRING(error); | |
18c7ed18 | 373 | |
5c0aa72a | 374 | return sd_journal_sendv(iov, skip + 3); |
18c7ed18 LP |
375 | } |
376 | ||
5c0aa72a LP |
377 | if (errno != ERANGE) |
378 | return -errno; | |
18c7ed18 LP |
379 | |
380 | n *= 2; | |
381 | } | |
382 | } | |
383 | ||
384 | _public_ int sd_journal_perror(const char *message) { | |
385 | struct iovec iovec[3]; | |
386 | ||
387 | return fill_iovec_perror_and_send(message, 0, iovec); | |
388 | } | |
389 | ||
4cd9a9d9 | 390 | _public_ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) { |
fc2fffe7 | 391 | static const union sockaddr_union sa = { |
6e5abe15 ZJS |
392 | .un.sun_family = AF_UNIX, |
393 | .un.sun_path = "/run/systemd/journal/stdout", | |
394 | }; | |
61c024b3 | 395 | _cleanup_close_ int fd = -1; |
fe652127 LP |
396 | char *header; |
397 | size_t l; | |
61c024b3 | 398 | int r; |
fe652127 | 399 | |
1ae464e0 TA |
400 | assert_return(priority >= 0, -EINVAL); |
401 | assert_return(priority <= 7, -EINVAL); | |
fe652127 LP |
402 | |
403 | fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0); | |
404 | if (fd < 0) | |
405 | return -errno; | |
406 | ||
fc2fffe7 | 407 | r = connect(fd, &sa.sa, SOCKADDR_UN_LEN(sa.un)); |
61c024b3 | 408 | if (r < 0) |
fe652127 | 409 | return -errno; |
fe652127 | 410 | |
61c024b3 | 411 | if (shutdown(fd, SHUT_RD) < 0) |
86b9b8e7 | 412 | return -errno; |
86b9b8e7 | 413 | |
efb8fd6e | 414 | (void) fd_inc_sndbuf(fd, SNDBUF_SIZE); |
bb99a35a | 415 | |
ad5d4b17 | 416 | identifier = strempty(identifier); |
fe652127 | 417 | |
4cd9a9d9 | 418 | l = strlen(identifier); |
6e9417f5 | 419 | header = newa(char, l + 1 + 1 + 2 + 2 + 2 + 2 + 2); |
fe652127 | 420 | |
4cd9a9d9 | 421 | memcpy(header, identifier, l); |
fe652127 | 422 | header[l++] = '\n'; |
a6e87e90 | 423 | header[l++] = '\n'; /* unit id */ |
fe652127 LP |
424 | header[l++] = '0' + priority; |
425 | header[l++] = '\n'; | |
4cd9a9d9 | 426 | header[l++] = '0' + !!level_prefix; |
fe652127 LP |
427 | header[l++] = '\n'; |
428 | header[l++] = '0'; | |
429 | header[l++] = '\n'; | |
224f2ee2 LP |
430 | header[l++] = '0'; |
431 | header[l++] = '\n'; | |
432 | header[l++] = '0'; | |
433 | header[l++] = '\n'; | |
fe652127 | 434 | |
553acb7b | 435 | r = loop_write(fd, header, l, false); |
61c024b3 ZJS |
436 | if (r < 0) |
437 | return r; | |
fe652127 | 438 | |
c10d6bdb | 439 | return TAKE_FD(fd); |
fe652127 | 440 | } |
b070e7f3 LP |
441 | |
442 | _public_ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) { | |
443 | int r; | |
444 | va_list ap; | |
445 | ||
446 | va_start(ap, format); | |
447 | r = sd_journal_printv_with_location(priority, file, line, func, format, ap); | |
448 | va_end(ap); | |
449 | ||
450 | return r; | |
451 | } | |
452 | ||
453 | _public_ int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap) { | |
2eaf435a AJ |
454 | char p[STRLEN("PRIORITY=") + DECIMAL_STR_MAX(int) + 1]; |
455 | char sbuf[LINE_MAX + 8] = "MESSAGE="; | |
b070e7f3 LP |
456 | struct iovec iov[5]; |
457 | char *f; | |
2eaf435a AJ |
458 | int len; |
459 | char *buffer = sbuf; | |
460 | va_list aq; | |
b070e7f3 | 461 | |
1ae464e0 TA |
462 | assert_return(priority >= 0, -EINVAL); |
463 | assert_return(priority <= 7, -EINVAL); | |
464 | assert_return(format, -EINVAL); | |
b070e7f3 | 465 | |
5ffa8c81 | 466 | xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK); |
b070e7f3 | 467 | |
2eaf435a AJ |
468 | va_copy(aq, ap); |
469 | len = vsnprintf(buffer + 8, LINE_MAX, format, aq); | |
470 | va_end(aq); | |
471 | ||
472 | if (len >= (int)LONG_LINE_MAX - 8) | |
473 | return -ENOBUFS; | |
474 | ||
15dd4515 | 475 | /* Allocate large buffer to accommodate big message */ |
2eaf435a AJ |
476 | if (len >= LINE_MAX) { |
477 | int rlen; | |
478 | buffer = alloca(len + 9); | |
479 | memcpy(buffer, "MESSAGE=", 8); | |
480 | rlen = vsnprintf(buffer + 8, len + 1, format, ap); | |
481 | assert(len == rlen); | |
482 | } | |
b070e7f3 | 483 | |
0d23bc57 LP |
484 | /* Strip trailing whitespace, keep prefixing whitespace */ |
485 | (void) strstrip(buffer); | |
486 | ||
487 | /* Suppress empty lines */ | |
2eaf435a | 488 | if (isempty(buffer + 8)) |
0d23bc57 | 489 | return 0; |
c24f1f9d | 490 | |
b070e7f3 LP |
491 | /* func is initialized from __func__ which is not a macro, but |
492 | * a static const char[], hence cannot easily be prefixed with | |
493 | * CODE_FUNC=, hence let's do it manually here. */ | |
3ed08c44 | 494 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 | 495 | |
e6a7ec4b LP |
496 | iov[0] = IOVEC_MAKE_STRING(buffer); |
497 | iov[1] = IOVEC_MAKE_STRING(p); | |
498 | iov[2] = IOVEC_MAKE_STRING(file); | |
499 | iov[3] = IOVEC_MAKE_STRING(line); | |
500 | iov[4] = IOVEC_MAKE_STRING(f); | |
b070e7f3 LP |
501 | |
502 | return sd_journal_sendv(iov, ELEMENTSOF(iov)); | |
503 | } | |
504 | ||
505 | _public_ int sd_journal_send_with_location(const char *file, const char *line, const char *func, const char *format, ...) { | |
e6a7ec4b | 506 | _cleanup_free_ struct iovec *iov = NULL; |
b070e7f3 LP |
507 | int r, i, j; |
508 | va_list ap; | |
b070e7f3 | 509 | char *f; |
b070e7f3 LP |
510 | |
511 | va_start(ap, format); | |
512 | i = fill_iovec_sprintf(format, ap, 3, &iov); | |
513 | va_end(ap); | |
514 | ||
515 | if (_unlikely_(i < 0)) { | |
516 | r = i; | |
517 | goto finish; | |
518 | } | |
519 | ||
3ed08c44 | 520 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 | 521 | |
e6a7ec4b LP |
522 | iov[0] = IOVEC_MAKE_STRING(file); |
523 | iov[1] = IOVEC_MAKE_STRING(line); | |
524 | iov[2] = IOVEC_MAKE_STRING(f); | |
b070e7f3 LP |
525 | |
526 | r = sd_journal_sendv(iov, i); | |
527 | ||
528 | finish: | |
529 | for (j = 3; j < i; j++) | |
530 | free(iov[j].iov_base); | |
531 | ||
b070e7f3 LP |
532 | return r; |
533 | } | |
534 | ||
18c7ed18 LP |
535 | _public_ int sd_journal_sendv_with_location( |
536 | const char *file, const char *line, | |
537 | const char *func, | |
538 | const struct iovec *iov, int n) { | |
539 | ||
b070e7f3 LP |
540 | struct iovec *niov; |
541 | char *f; | |
b070e7f3 | 542 | |
1ae464e0 TA |
543 | assert_return(iov, -EINVAL); |
544 | assert_return(n > 0, -EINVAL); | |
b070e7f3 | 545 | |
702bd55c | 546 | niov = newa(struct iovec, n + 3); |
b070e7f3 LP |
547 | memcpy(niov, iov, sizeof(struct iovec) * n); |
548 | ||
3ed08c44 | 549 | ALLOCA_CODE_FUNC(f, func); |
b070e7f3 | 550 | |
e6a7ec4b LP |
551 | niov[n++] = IOVEC_MAKE_STRING(file); |
552 | niov[n++] = IOVEC_MAKE_STRING(line); | |
553 | niov[n++] = IOVEC_MAKE_STRING(f); | |
b070e7f3 LP |
554 | |
555 | return sd_journal_sendv(niov, n); | |
556 | } | |
18c7ed18 LP |
557 | |
558 | _public_ int sd_journal_perror_with_location( | |
559 | const char *file, const char *line, | |
560 | const char *func, | |
561 | const char *message) { | |
562 | ||
563 | struct iovec iov[6]; | |
18c7ed18 LP |
564 | char *f; |
565 | ||
3ed08c44 | 566 | ALLOCA_CODE_FUNC(f, func); |
18c7ed18 | 567 | |
e6a7ec4b LP |
568 | iov[0] = IOVEC_MAKE_STRING(file); |
569 | iov[1] = IOVEC_MAKE_STRING(line); | |
570 | iov[2] = IOVEC_MAKE_STRING(f); | |
18c7ed18 LP |
571 | |
572 | return fill_iovec_perror_and_send(message, 3, iov); | |
573 | } |