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Commit | Line | Data |
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86e4d161 MS |
1 | /* |
2 | * Copyright (c) 2008 The DragonFly Project. All rights reserved. | |
3 | * | |
4 | * This code is derived from software contributed to The DragonFly Project | |
5 | * by Simon 'corecode' Schubert <corecode@fs.ei.tum.de>. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * 3. Neither the name of The DragonFly Project nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific, prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
24 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
25 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
26 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
27 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
28 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
29 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
31 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
32 | * SUCH DAMAGE. | |
86e4d161 MS |
33 | */ |
34 | ||
9b921550 SS |
35 | #include "dfcompat.h" |
36 | ||
86e4d161 | 37 | #include <sys/param.h> |
4dd56cbc | 38 | #include <sys/types.h> |
86e4d161 MS |
39 | #include <sys/queue.h> |
40 | #include <sys/stat.h> | |
9b921550 | 41 | #include <sys/time.h> |
c507d897 | 42 | #include <sys/wait.h> |
86e4d161 | 43 | |
86e4d161 MS |
44 | #include <dirent.h> |
45 | #include <err.h> | |
46 | #include <errno.h> | |
47 | #include <fcntl.h> | |
48 | #include <inttypes.h> | |
86e4d161 MS |
49 | #include <paths.h> |
50 | #include <pwd.h> | |
51 | #include <signal.h> | |
52 | #include <stdarg.h> | |
53 | #include <stdio.h> | |
54 | #include <stdlib.h> | |
55 | #include <string.h> | |
56 | #include <syslog.h> | |
57 | #include <unistd.h> | |
58 | ||
59 | #include "dma.h" | |
60 | ||
61 | ||
e0a95d28 | 62 | static void deliver(struct qitem *); |
86e4d161 MS |
63 | |
64 | struct aliases aliases = LIST_HEAD_INITIALIZER(aliases); | |
fd1de51a | 65 | struct strlist tmpfs = SLIST_HEAD_INITIALIZER(tmpfs); |
86e4d161 | 66 | struct authusers authusers = LIST_HEAD_INITIALIZER(authusers); |
249ee966 | 67 | char username[USERNAME_SIZE]; |
75fdf182 | 68 | uid_t useruid; |
de13a881 | 69 | const char *logident_base; |
249ee966 | 70 | char errmsg[ERRMSG_SIZE]; |
86e4d161 | 71 | |
87bdbc01 | 72 | static int daemonize = 1; |
dd561a09 | 73 | |
a0c4afa6 SS |
74 | struct config config = { |
75 | .smarthost = NULL, | |
76 | .port = 25, | |
db93ed9b | 77 | .aliases = "/etc/aliases", |
a0c4afa6 | 78 | .spooldir = "/var/spool/dma", |
a0c4afa6 SS |
79 | .authpath = NULL, |
80 | .certfile = NULL, | |
81 | .features = 0, | |
82 | .mailname = NULL, | |
a0c4afa6 SS |
83 | }; |
84 | ||
85 | ||
247523d6 SS |
86 | static void |
87 | sighup_handler(int signo) | |
88 | { | |
89 | (void)signo; /* so that gcc doesn't complain */ | |
90 | } | |
91 | ||
86e4d161 | 92 | static char * |
057afad5 | 93 | set_from(struct queue *queue, const char *osender) |
86e4d161 | 94 | { |
86e4d161 MS |
95 | char *sender; |
96 | ||
86e4d161 MS |
97 | if (osender) { |
98 | sender = strdup(osender); | |
99 | if (sender == NULL) | |
e0a95d28 | 100 | return (NULL); |
09a2b07e SS |
101 | } else if (getenv("EMAIL") != NULL) { |
102 | sender = strdup(getenv("EMAIL")); | |
103 | if (sender == NULL) | |
104 | return (NULL); | |
86e4d161 | 105 | } else { |
dd561a09 | 106 | if (asprintf(&sender, "%s@%s", username, hostname()) <= 0) |
e0a95d28 | 107 | return (NULL); |
86e4d161 MS |
108 | } |
109 | ||
110 | if (strchr(sender, '\n') != NULL) { | |
111 | errno = EINVAL; | |
e0a95d28 | 112 | return (NULL); |
86e4d161 MS |
113 | } |
114 | ||
057afad5 | 115 | queue->sender = sender; |
e0a95d28 | 116 | return (sender); |
86e4d161 MS |
117 | } |
118 | ||
119 | static int | |
120 | read_aliases(void) | |
121 | { | |
a0c4afa6 SS |
122 | yyin = fopen(config.aliases, "r"); |
123 | if (yyin == NULL) { | |
124 | /* | |
125 | * Non-existing aliases file is not a fatal error | |
126 | */ | |
127 | if (errno == ENOENT) | |
128 | return (0); | |
129 | /* Other problems are. */ | |
130 | return (-1); | |
131 | } | |
86e4d161 | 132 | if (yyparse()) |
e0a95d28 | 133 | return (-1); /* fatal error, probably malloc() */ |
86e4d161 | 134 | fclose(yyin); |
e0a95d28 | 135 | return (0); |
86e4d161 MS |
136 | } |
137 | ||
fd1de51a | 138 | int |
057afad5 | 139 | add_recp(struct queue *queue, const char *str, int expand) |
86e4d161 MS |
140 | { |
141 | struct qitem *it, *tit; | |
142 | struct stritem *sit; | |
143 | struct alias *al; | |
144 | struct passwd *pw; | |
145 | char *host; | |
146 | int aliased = 0; | |
147 | ||
148 | it = calloc(1, sizeof(*it)); | |
149 | if (it == NULL) | |
e0a95d28 | 150 | return (-1); |
86e4d161 MS |
151 | it->addr = strdup(str); |
152 | if (it->addr == NULL) | |
e0a95d28 | 153 | return (-1); |
86e4d161 | 154 | |
057afad5 | 155 | it->sender = queue->sender; |
86e4d161 MS |
156 | host = strrchr(it->addr, '@'); |
157 | if (host != NULL && | |
158 | (strcmp(host + 1, hostname()) == 0 || | |
159 | strcmp(host + 1, "localhost") == 0)) { | |
160 | *host = 0; | |
161 | } | |
162 | LIST_FOREACH(tit, &queue->queue, next) { | |
163 | /* weed out duplicate dests */ | |
164 | if (strcmp(tit->addr, it->addr) == 0) { | |
165 | free(it->addr); | |
166 | free(it); | |
e0a95d28 | 167 | return (0); |
86e4d161 MS |
168 | } |
169 | } | |
170 | LIST_INSERT_HEAD(&queue->queue, it, next); | |
171 | if (strrchr(it->addr, '@') == NULL) { | |
e0a95d28 | 172 | it->remote = 0; |
86e4d161 MS |
173 | if (expand) { |
174 | LIST_FOREACH(al, &aliases, next) { | |
175 | if (strcmp(al->alias, it->addr) != 0) | |
176 | continue; | |
177 | SLIST_FOREACH(sit, &al->dests, next) { | |
057afad5 | 178 | if (add_recp(queue, sit->str, 1) != 0) |
e0a95d28 | 179 | return (-1); |
86e4d161 MS |
180 | } |
181 | aliased = 1; | |
182 | } | |
183 | if (aliased) { | |
184 | LIST_REMOVE(it, next); | |
185 | } else { | |
e0a95d28 | 186 | /* Local destination, check */ |
86e4d161 MS |
187 | pw = getpwnam(it->addr); |
188 | if (pw == NULL) | |
189 | goto out; | |
8d291e4d | 190 | /* XXX read .forward */ |
e0a95d28 | 191 | endpwent(); |
86e4d161 MS |
192 | } |
193 | } | |
194 | } else { | |
e0a95d28 | 195 | it->remote = 1; |
86e4d161 MS |
196 | } |
197 | ||
e0a95d28 | 198 | return (0); |
86e4d161 MS |
199 | |
200 | out: | |
201 | free(it->addr); | |
202 | free(it); | |
e0a95d28 | 203 | return (-1); |
86e4d161 MS |
204 | } |
205 | ||
e0a95d28 MS |
206 | static struct qitem * |
207 | go_background(struct queue *queue) | |
86e4d161 MS |
208 | { |
209 | struct sigaction sa; | |
210 | struct qitem *it; | |
211 | pid_t pid; | |
212 | ||
213 | if (daemonize && daemon(0, 0) != 0) { | |
e0a95d28 | 214 | syslog(LOG_ERR, "can not daemonize: %m"); |
86e4d161 MS |
215 | exit(1); |
216 | } | |
217 | daemonize = 0; | |
e0a95d28 | 218 | |
86e4d161 | 219 | bzero(&sa, sizeof(sa)); |
86e4d161 MS |
220 | sa.sa_handler = SIG_IGN; |
221 | sigaction(SIGCHLD, &sa, NULL); | |
222 | ||
94389971 | 223 | LIST_FOREACH(it, &queue->queue, next) { |
e0a95d28 | 224 | /* No need to fork for the last dest */ |
87bdbc01 SS |
225 | if (LIST_NEXT(it, next) == NULL) |
226 | goto retit; | |
e0a95d28 | 227 | |
86e4d161 MS |
228 | pid = fork(); |
229 | switch (pid) { | |
230 | case -1: | |
231 | syslog(LOG_ERR, "can not fork: %m"); | |
232 | exit(1); | |
233 | break; | |
234 | ||
235 | case 0: | |
236 | /* | |
237 | * Child: | |
238 | * | |
239 | * return and deliver mail | |
240 | */ | |
87bdbc01 SS |
241 | retit: |
242 | /* | |
9aec6ad8 | 243 | * If necessary, acquire the queue and * mail files. |
87bdbc01 SS |
244 | * If this fails, we probably were raced by another |
245 | * process. | |
246 | */ | |
4d5af2b0 | 247 | setlogident("%s", it->queueid); |
9aec6ad8 | 248 | if (acquirespool(it) < 0) |
87bdbc01 SS |
249 | exit(1); |
250 | dropspool(queue, it); | |
e0a95d28 | 251 | return (it); |
86e4d161 MS |
252 | |
253 | default: | |
254 | /* | |
255 | * Parent: | |
256 | * | |
257 | * fork next child | |
258 | */ | |
259 | break; | |
260 | } | |
261 | } | |
262 | ||
263 | syslog(LOG_CRIT, "reached dead code"); | |
264 | exit(1); | |
265 | } | |
266 | ||
86e4d161 | 267 | static void |
e0a95d28 | 268 | deliver(struct qitem *it) |
86e4d161 MS |
269 | { |
270 | int error; | |
f54b5114 | 271 | unsigned int backoff = MIN_RETRY; |
86e4d161 MS |
272 | struct timeval now; |
273 | struct stat st; | |
274 | ||
249ee966 SS |
275 | snprintf(errmsg, sizeof(errmsg), "unknown bounce reason"); |
276 | ||
86e4d161 | 277 | retry: |
4d5af2b0 | 278 | syslog(LOG_INFO, "trying delivery"); |
86e4d161 | 279 | |
e0a95d28 | 280 | if (it->remote) |
249ee966 | 281 | error = deliver_remote(it); |
e0a95d28 | 282 | else |
249ee966 | 283 | error = deliver_local(it); |
86e4d161 MS |
284 | |
285 | switch (error) { | |
286 | case 0: | |
fd1de51a | 287 | delqueue(it); |
4d5af2b0 | 288 | syslog(LOG_INFO, "delivery successful"); |
86e4d161 MS |
289 | exit(0); |
290 | ||
291 | case 1: | |
292 | if (stat(it->queuefn, &st) != 0) { | |
4d5af2b0 | 293 | syslog(LOG_ERR, "lost queue file `%s'", it->queuefn); |
86e4d161 MS |
294 | exit(1); |
295 | } | |
296 | if (gettimeofday(&now, NULL) == 0 && | |
2fbb30b2 | 297 | (now.tv_sec - st.st_mtim.tv_sec > MAX_TIMEOUT)) { |
249ee966 | 298 | snprintf(errmsg, sizeof(errmsg), |
e0a95d28 | 299 | "Could not deliver for the last %d seconds. Giving up.", |
a43346d5 | 300 | MAX_TIMEOUT); |
86e4d161 MS |
301 | goto bounce; |
302 | } | |
0de88752 SS |
303 | if (sleep(backoff) == 0) { |
304 | /* pick the next backoff between [1.5, 2.5) times backoff */ | |
305 | backoff = backoff + backoff / 2 + random() % backoff; | |
306 | if (backoff > MAX_RETRY) | |
307 | backoff = MAX_RETRY; | |
308 | } | |
86e4d161 MS |
309 | goto retry; |
310 | ||
311 | case -1: | |
312 | default: | |
313 | break; | |
314 | } | |
315 | ||
316 | bounce: | |
e0a95d28 | 317 | bounce(it, errmsg); |
86e4d161 MS |
318 | /* NOTREACHED */ |
319 | } | |
320 | ||
28be0b96 | 321 | void |
86e4d161 MS |
322 | run_queue(struct queue *queue) |
323 | { | |
e0a95d28 MS |
324 | struct qitem *it; |
325 | ||
86e4d161 MS |
326 | if (LIST_EMPTY(&queue->queue)) |
327 | return; | |
328 | ||
e0a95d28 MS |
329 | it = go_background(queue); |
330 | deliver(it); | |
86e4d161 MS |
331 | /* NOTREACHED */ |
332 | } | |
333 | ||
334 | static void | |
335 | show_queue(struct queue *queue) | |
336 | { | |
337 | struct qitem *it; | |
87bdbc01 | 338 | int locked = 0; /* XXX */ |
86e4d161 MS |
339 | |
340 | if (LIST_EMPTY(&queue->queue)) { | |
341 | printf("Mail queue is empty\n"); | |
342 | return; | |
343 | } | |
344 | ||
345 | LIST_FOREACH(it, &queue->queue, next) { | |
5896fefc SS |
346 | printf("ID\t: %s%s\n" |
347 | "From\t: %s\n" | |
553ab44c | 348 | "To\t: %s\n", |
5896fefc | 349 | it->queueid, |
87bdbc01 | 350 | locked ? "*" : "", |
5896fefc | 351 | it->sender, it->addr); |
553ab44c SS |
352 | |
353 | if (LIST_NEXT(it, next) != NULL) | |
354 | printf("--\n"); | |
86e4d161 MS |
355 | } |
356 | } | |
357 | ||
358 | /* | |
359 | * TODO: | |
360 | * | |
361 | * - alias processing | |
362 | * - use group permissions | |
363 | * - proper sysexit codes | |
364 | */ | |
365 | ||
e0a95d28 MS |
366 | int |
367 | main(int argc, char **argv) | |
86e4d161 | 368 | { |
247523d6 | 369 | struct sigaction act; |
86e4d161 | 370 | char *sender = NULL; |
86e4d161 | 371 | struct queue queue; |
86e4d161 | 372 | int i, ch; |
bca4c72a | 373 | int nodot = 0, doqueue = 0, showq = 0, queue_only = 0; |
f734c0ae | 374 | int recp_from_header = 0; |
86e4d161 | 375 | |
75fdf182 SS |
376 | set_username(); |
377 | ||
378 | /* | |
379 | * We never run as root. If called by root, drop permissions | |
380 | * to the mail user. | |
381 | */ | |
382 | if (geteuid() == 0 || getuid() == 0) { | |
383 | struct passwd *pw; | |
384 | ||
385 | pw = getpwnam(DMA_ROOT_USER); | |
386 | if (pw == NULL) | |
387 | err(1, "cannot drop root privileges"); | |
388 | ||
389 | if (setuid(pw->pw_uid) != 0) | |
390 | err(1, "cannot drop root privileges"); | |
391 | ||
392 | if (geteuid() == 0 || getuid() == 0) | |
393 | errx(1, "cannot drop root privileges"); | |
394 | } | |
395 | ||
86e4d161 | 396 | atexit(deltmp); |
ee613428 | 397 | init_random(); |
6f5efe4f SS |
398 | |
399 | bzero(&queue, sizeof(queue)); | |
86e4d161 | 400 | LIST_INIT(&queue.queue); |
86e4d161 | 401 | |
0f779ba6 SS |
402 | if (strcmp(argv[0], "mailq") == 0) { |
403 | argv++; argc--; | |
404 | showq = 1; | |
405 | if (argc != 0) | |
406 | errx(1, "invalid arguments"); | |
407 | goto skipopts; | |
408 | } | |
409 | ||
87fa1cc5 | 410 | opterr = 0; |
f734c0ae | 411 | while ((ch = getopt(argc, argv, ":A:b:B:C:d:Df:F:h:iL:N:no:O:q:r:R:tUV:vX:")) != -1) { |
86e4d161 MS |
412 | switch (ch) { |
413 | case 'A': | |
414 | /* -AX is being ignored, except for -A{c,m} */ | |
415 | if (optarg[0] == 'c' || optarg[0] == 'm') { | |
416 | break; | |
417 | } | |
418 | /* else FALLTRHOUGH */ | |
419 | case 'b': | |
420 | /* -bX is being ignored, except for -bp */ | |
421 | if (optarg[0] == 'p') { | |
422 | showq = 1; | |
423 | break; | |
bca4c72a SS |
424 | } else if (optarg[0] == 'q') { |
425 | queue_only = 1; | |
426 | break; | |
86e4d161 MS |
427 | } |
428 | /* else FALLTRHOUGH */ | |
429 | case 'D': | |
430 | daemonize = 0; | |
431 | break; | |
432 | case 'L': | |
4d5af2b0 | 433 | logident_base = optarg; |
86e4d161 MS |
434 | break; |
435 | case 'f': | |
436 | case 'r': | |
437 | sender = optarg; | |
438 | break; | |
439 | ||
f734c0ae SS |
440 | case 't': |
441 | recp_from_header = 1; | |
442 | break; | |
443 | ||
86e4d161 MS |
444 | case 'o': |
445 | /* -oX is being ignored, except for -oi */ | |
446 | if (optarg[0] != 'i') | |
447 | break; | |
448 | /* else FALLTRHOUGH */ | |
87fa1cc5 MS |
449 | case 'O': |
450 | break; | |
86e4d161 MS |
451 | case 'i': |
452 | nodot = 1; | |
453 | break; | |
454 | ||
455 | case 'q': | |
456 | doqueue = 1; | |
457 | break; | |
458 | ||
b6bb4e2d SS |
459 | /* Ignored options */ |
460 | case 'B': | |
461 | case 'C': | |
462 | case 'd': | |
463 | case 'F': | |
464 | case 'h': | |
465 | case 'N': | |
466 | case 'n': | |
467 | case 'R': | |
468 | case 'U': | |
469 | case 'V': | |
470 | case 'v': | |
471 | case 'X': | |
472 | break; | |
473 | ||
f514a0d9 SS |
474 | case ':': |
475 | if (optopt == 'q') { | |
476 | doqueue = 1; | |
477 | break; | |
478 | } | |
479 | /* FALLTHROUGH */ | |
480 | ||
86e4d161 | 481 | default: |
f514a0d9 | 482 | fprintf(stderr, "invalid argument: `-%c'\n", optopt); |
86e4d161 MS |
483 | exit(1); |
484 | } | |
485 | } | |
486 | argc -= optind; | |
487 | argv += optind; | |
87fa1cc5 | 488 | opterr = 1; |
86e4d161 | 489 | |
8d291e4d SS |
490 | if (argc != 0 && (showq || doqueue)) |
491 | errx(1, "sending mail and queue operations are mutually exclusive"); | |
492 | ||
493 | if (showq + doqueue > 1) | |
494 | errx(1, "conflicting queue operations"); | |
495 | ||
0f779ba6 | 496 | skipopts: |
4d5af2b0 SS |
497 | if (logident_base == NULL) |
498 | logident_base = "dma"; | |
499 | setlogident(NULL); | |
4602c807 | 500 | |
247523d6 SS |
501 | act.sa_handler = sighup_handler; |
502 | act.sa_flags = 0; | |
503 | sigemptyset(&act.sa_mask); | |
504 | if (sigaction(SIGHUP, &act, NULL) != 0) | |
505 | syslog(LOG_WARNING, "can not set signal handler: %m"); | |
506 | ||
a0c4afa6 | 507 | parse_conf(CONF_PATH); |
86e4d161 | 508 | |
a0c4afa6 SS |
509 | if (config.authpath != NULL) |
510 | parse_authfile(config.authpath); | |
86e4d161 MS |
511 | |
512 | if (showq) { | |
6f5efe4f | 513 | if (load_queue(&queue) < 0) |
de13a881 | 514 | errlog(1, "can not load queue"); |
6f5efe4f | 515 | show_queue(&queue); |
e0a95d28 | 516 | return (0); |
86e4d161 MS |
517 | } |
518 | ||
519 | if (doqueue) { | |
6f5efe4f | 520 | if (load_queue(&queue) < 0) |
de13a881 | 521 | errlog(1, "can not load queue"); |
6f5efe4f | 522 | run_queue(&queue); |
e0a95d28 | 523 | return (0); |
86e4d161 MS |
524 | } |
525 | ||
e0a95d28 | 526 | if (read_aliases() != 0) |
a0c4afa6 | 527 | errlog(1, "can not read aliases file `%s'", config.aliases); |
86e4d161 | 528 | |
057afad5 | 529 | if ((sender = set_from(&queue, sender)) == NULL) |
de13a881 | 530 | errlog(1, NULL); |
86e4d161 | 531 | |
f734c0ae SS |
532 | if (newspoolf(&queue) != 0) |
533 | errlog(1, "can not create temp file"); | |
534 | ||
535 | setlogident("%s", queue.id); | |
536 | ||
86e4d161 | 537 | for (i = 0; i < argc; i++) { |
057afad5 | 538 | if (add_recp(&queue, argv[i], 1) != 0) |
de13a881 | 539 | errlogx(1, "invalid recipient `%s'", argv[i]); |
86e4d161 MS |
540 | } |
541 | ||
f734c0ae | 542 | if (LIST_EMPTY(&queue.queue) && !recp_from_header) |
de13a881 | 543 | errlogx(1, "no recipients"); |
86e4d161 | 544 | |
f734c0ae | 545 | if (readmail(&queue, nodot, recp_from_header) != 0) |
de13a881 | 546 | errlog(1, "can not read mail"); |
86e4d161 | 547 | |
f734c0ae SS |
548 | if (LIST_EMPTY(&queue.queue)) |
549 | errlogx(1, "no recipients"); | |
550 | ||
057afad5 | 551 | if (linkspool(&queue) != 0) |
de13a881 | 552 | errlog(1, "can not create spools"); |
86e4d161 MS |
553 | |
554 | /* From here on the mail is safe. */ | |
555 | ||
a0c4afa6 | 556 | if (config.features & DEFER || queue_only) |
e0a95d28 | 557 | return (0); |
86e4d161 | 558 | |
28be0b96 | 559 | run_queue(&queue); |
86e4d161 MS |
560 | |
561 | /* NOTREACHED */ | |
e0a95d28 | 562 | return (0); |
94389971 | 563 | } |