Commit | Line | Data |
---|---|---|
7138d0c5 SE |
1 | #include "secnet.h" |
2 | #include <stdio.h> | |
3 | #include <string.h> | |
4 | #include <stdlib.h> | |
5 | #include <time.h> | |
6 | #include <errno.h> | |
7 | #include <syslog.h> | |
4f5e39ec | 8 | #include <assert.h> |
fe5e9cc4 | 9 | #include <unistd.h> |
7138d0c5 | 10 | #include "process.h" |
08ee90a2 | 11 | #include "util.h" |
7138d0c5 SE |
12 | |
13 | bool_t secnet_is_daemon=False; | |
469fd1d9 | 14 | uint32_t message_level=M_WARNING|M_ERR|M_SECURITY|M_FATAL; |
7138d0c5 SE |
15 | struct log_if *system_log=NULL; |
16 | ||
ba72e2bf | 17 | static void vMessageFallback(uint32_t class, const char *message, va_list args) |
779837e1 IJ |
18 | FORMAT(printf,2,0); |
19 | static void vMessageFallback(uint32_t class, const char *message, va_list args) | |
7138d0c5 SE |
20 | { |
21 | FILE *dest=stdout; | |
ba72e2bf IJ |
22 | /* Messages go to stdout/stderr */ |
23 | if (class & message_level) { | |
24 | if (class&M_FATAL || class&M_ERR || class&M_WARNING) { | |
25 | dest=stderr; | |
26 | } | |
27 | vfprintf(dest,message,args); | |
28 | } | |
29 | } | |
30 | ||
31 | static void vMessage(uint32_t class, const char *message, va_list args) | |
32 | { | |
7138d0c5 | 33 | |
7b1a9fb7 | 34 | if (system_log) { |
7138d0c5 | 35 | /* Messages go to the system log interface */ |
ff1dcd86 | 36 | vslilog_part(system_log, class, message, args); |
7138d0c5 | 37 | } else { |
ba72e2bf | 38 | vMessageFallback(class,message,args); |
7138d0c5 SE |
39 | } |
40 | } | |
41 | ||
fe5e9cc4 | 42 | void Message(uint32_t class, const char *message, ...) |
7138d0c5 SE |
43 | { |
44 | va_list ap; | |
45 | ||
46 | va_start(ap,message); | |
47 | vMessage(class,message,ap); | |
48 | va_end(ap); | |
49 | } | |
50 | ||
ba72e2bf | 51 | static void MessageFallback(uint32_t class, const char *message, ...) |
779837e1 IJ |
52 | FORMAT(printf,2,3); |
53 | static void MessageFallback(uint32_t class, const char *message, ...) | |
ba72e2bf IJ |
54 | { |
55 | va_list ap; | |
56 | ||
57 | va_start(ap,message); | |
58 | vMessageFallback(class,message,ap); | |
59 | va_end(ap); | |
60 | } | |
61 | ||
fe5e9cc4 | 62 | static NORETURN(vfatal(int status, bool_t perror, const char *message, |
4f5e39ec SE |
63 | va_list args)); |
64 | ||
fe5e9cc4 SE |
65 | static void vfatal(int status, bool_t perror, const char *message, |
66 | va_list args) | |
7138d0c5 SE |
67 | { |
68 | int err; | |
69 | ||
70 | err=errno; | |
71 | ||
72 | enter_phase(PHASE_SHUTDOWN); | |
4f5e39ec SE |
73 | Message(M_FATAL, "secnet fatal error: "); |
74 | vMessage(M_FATAL, message, args); | |
75 | if (perror) | |
7138d0c5 | 76 | Message(M_FATAL, ": %s\n",strerror(err)); |
4f5e39ec SE |
77 | else |
78 | Message(M_FATAL, "\n"); | |
7138d0c5 SE |
79 | exit(status); |
80 | } | |
81 | ||
fe5e9cc4 | 82 | void fatal(const char *message, ...) |
7138d0c5 SE |
83 | { |
84 | va_list args; | |
85 | va_start(args,message); | |
86 | vfatal(current_phase,False,message,args); | |
87 | va_end(args); | |
88 | } | |
89 | ||
fe5e9cc4 | 90 | void fatal_status(int status, const char *message, ...) |
7138d0c5 SE |
91 | { |
92 | va_list args; | |
93 | va_start(args,message); | |
94 | vfatal(status,False,message,args); | |
95 | va_end(args); | |
96 | } | |
97 | ||
fe5e9cc4 | 98 | void fatal_perror(const char *message, ...) |
7138d0c5 SE |
99 | { |
100 | va_list args; | |
101 | va_start(args,message); | |
102 | vfatal(current_phase,True,message,args); | |
103 | va_end(args); | |
104 | } | |
105 | ||
fe5e9cc4 | 106 | void fatal_perror_status(int status, const char *message, ...) |
7138d0c5 SE |
107 | { |
108 | va_list args; | |
109 | va_start(args,message); | |
110 | vfatal(status,True,message,args); | |
111 | va_end(args); | |
112 | } | |
113 | ||
4f5e39ec | 114 | void vcfgfatal_maybefile(FILE *maybe_f /* or 0 */, struct cloc loc, |
fe5e9cc4 | 115 | cstring_t facility, const char *message, va_list args) |
7138d0c5 | 116 | { |
7138d0c5 SE |
117 | enter_phase(PHASE_SHUTDOWN); |
118 | ||
4f5e39ec SE |
119 | if (maybe_f && ferror(maybe_f)) { |
120 | assert(loc.file); | |
121 | Message(M_FATAL, "error reading config file (%s, %s): %s", | |
122 | facility, loc.file, strerror(errno)); | |
123 | } else if (maybe_f && feof(maybe_f)) { | |
124 | assert(loc.file); | |
125 | Message(M_FATAL, "unexpected end of config file (%s, %s)", | |
126 | facility, loc.file); | |
127 | } else if (loc.file && loc.line) { | |
7138d0c5 SE |
128 | Message(M_FATAL, "config error (%s, %s:%d): ",facility,loc.file, |
129 | loc.line); | |
130 | } else if (!loc.file && loc.line) { | |
131 | Message(M_FATAL, "config error (%s, line %d): ",facility,loc.line); | |
132 | } else { | |
133 | Message(M_FATAL, "config error (%s): ",facility); | |
134 | } | |
135 | ||
136 | vMessage(M_FATAL,message,args); | |
7138d0c5 SE |
137 | exit(current_phase); |
138 | } | |
139 | ||
fe5e9cc4 SE |
140 | void cfgfatal_maybefile(FILE *maybe_f, struct cloc loc, cstring_t facility, |
141 | const char *message, ...) | |
4f5e39ec SE |
142 | { |
143 | va_list args; | |
144 | ||
145 | va_start(args,message); | |
146 | vcfgfatal_maybefile(maybe_f,loc,facility,message,args); | |
147 | va_end(args); | |
148 | } | |
149 | ||
fe5e9cc4 | 150 | void cfgfatal(struct cloc loc, cstring_t facility, const char *message, ...) |
4f5e39ec SE |
151 | { |
152 | va_list args; | |
153 | ||
154 | va_start(args,message); | |
155 | vcfgfatal_maybefile(0,loc,facility,message,args); | |
156 | va_end(args); | |
157 | } | |
158 | ||
159 | void cfgfile_postreadcheck(struct cloc loc, FILE *f) | |
160 | { | |
161 | assert(loc.file); | |
162 | if (ferror(f)) { | |
39a6b1e2 | 163 | Message(M_FATAL, "error reading config file (%s): %s\n", |
4f5e39ec SE |
164 | loc.file, strerror(errno)); |
165 | exit(current_phase); | |
166 | } else if (feof(f)) { | |
39a6b1e2 | 167 | Message(M_FATAL, "unexpected end of config file (%s)\n", loc.file); |
4f5e39ec SE |
168 | exit(current_phase); |
169 | } | |
170 | } | |
171 | ||
7138d0c5 SE |
172 | /* Take a list of log closures and merge them */ |
173 | struct loglist { | |
174 | struct log_if *l; | |
175 | struct loglist *next; | |
176 | }; | |
177 | ||
fe5e9cc4 | 178 | static void log_vmulti(void *sst, int class, const char *message, va_list args) |
7138d0c5 SE |
179 | { |
180 | struct loglist *st=sst, *i; | |
181 | ||
182 | if (secnet_is_daemon) { | |
183 | for (i=st; i; i=i->next) { | |
779837e1 | 184 | vslilog(i->l,class,message,args); |
7138d0c5 SE |
185 | } |
186 | } else { | |
187 | vMessage(class,message,args); | |
188 | Message(class,"\n"); | |
189 | } | |
190 | } | |
191 | ||
f1393100 IJ |
192 | void lg_vperror(struct log_if *lg, const char *desc, struct cloc *loc, |
193 | int class, int errnoval, const char *fmt, va_list al) | |
194 | { | |
195 | int status=current_phase; | |
196 | int esave=errno; | |
197 | ||
198 | if (!lg) | |
199 | lg=system_log; | |
200 | ||
201 | if (class & M_FATAL) | |
202 | enter_phase(PHASE_SHUTDOWN); | |
203 | ||
204 | slilog_part(lg,class,"%s",desc); | |
205 | if (loc) | |
206 | slilog_part(lg,class," (%s:%d)",loc->file,loc->line); | |
207 | slilog_part(lg,class,": "); | |
208 | vslilog_part(lg,class,fmt,al); | |
209 | if (errnoval) | |
210 | slilog_part(lg,class,": %s",strerror(errnoval)); | |
211 | slilog_part(lg,class,"\n"); | |
212 | ||
213 | if (class & M_FATAL) | |
214 | exit(status); | |
215 | ||
216 | errno=esave; | |
217 | } | |
218 | ||
219 | void lg_perror(struct log_if *lg, const char *desc, struct cloc *loc, | |
220 | int class, int errnoval, const char *fmt, ...) | |
221 | { | |
222 | va_list al; | |
223 | va_start(al,fmt); | |
224 | lg_vperror(lg,desc,loc,class,errnoval,fmt,al); | |
225 | va_end(al); | |
226 | } | |
227 | ||
7138d0c5 SE |
228 | struct log_if *init_log(list_t *ll) |
229 | { | |
230 | int i=0; | |
231 | item_t *item; | |
232 | closure_t *cl; | |
233 | struct loglist *l=NULL, *n; | |
234 | struct log_if *r; | |
235 | ||
236 | if (list_length(ll)==1) { | |
237 | item=list_elem(ll,0); | |
238 | cl=item->data.closure; | |
239 | if (cl->type!=CL_LOG) { | |
240 | cfgfatal(item->loc,"init_log","closure is not a logger"); | |
241 | } | |
242 | return cl->interface; | |
243 | } | |
244 | while ((item=list_elem(ll,i++))) { | |
245 | if (item->type!=t_closure) { | |
246 | cfgfatal(item->loc,"init_log","item is not a closure"); | |
247 | } | |
248 | cl=item->data.closure; | |
249 | if (cl->type!=CL_LOG) { | |
250 | cfgfatal(item->loc,"init_log","closure is not a logger"); | |
251 | } | |
252 | n=safe_malloc(sizeof(*n),"init_log"); | |
253 | n->l=cl->interface; | |
254 | n->next=l; | |
255 | l=n; | |
256 | } | |
257 | if (!l) { | |
258 | fatal("init_log: no log"); | |
259 | } | |
260 | r=safe_malloc(sizeof(*r), "init_log"); | |
261 | r->st=l; | |
779837e1 | 262 | r->vlogfn=log_vmulti; |
ff1dcd86 | 263 | r->buff[0]=0; |
7138d0c5 SE |
264 | return r; |
265 | } | |
266 | ||
267 | struct logfile { | |
268 | closure_t cl; | |
269 | struct log_if ops; | |
270 | struct cloc loc; | |
271 | string_t logfile; | |
272 | uint32_t level; | |
273 | FILE *f; | |
274 | }; | |
275 | ||
fe5e9cc4 | 276 | static cstring_t months[]={ |
7138d0c5 SE |
277 | "Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"}; |
278 | ||
fe5e9cc4 SE |
279 | static void logfile_vlog(void *sst, int class, const char *message, |
280 | va_list args) | |
7138d0c5 SE |
281 | { |
282 | struct logfile *st=sst; | |
283 | time_t t; | |
284 | struct tm *tm; | |
285 | ||
fe5e9cc4 | 286 | if (secnet_is_daemon && st->f) { |
7138d0c5 SE |
287 | if (class&st->level) { |
288 | t=time(NULL); | |
289 | tm=localtime(&t); | |
290 | fprintf(st->f,"%s %2d %02d:%02d:%02d ", | |
291 | months[tm->tm_mon],tm->tm_mday,tm->tm_hour,tm->tm_min, | |
292 | tm->tm_sec); | |
293 | vfprintf(st->f,message,args); | |
294 | fprintf(st->f,"\n"); | |
295 | fflush(st->f); | |
296 | } | |
297 | } else { | |
ba72e2bf IJ |
298 | vMessageFallback(class,message,args); |
299 | MessageFallback(class,"\n"); | |
7138d0c5 SE |
300 | } |
301 | } | |
302 | ||
fe5e9cc4 | 303 | static void logfile_log(void *state, int class, const char *message, ...) |
779837e1 IJ |
304 | FORMAT(printf,3,4); |
305 | static void logfile_log(void *state, int class, const char *message, ...) | |
7138d0c5 SE |
306 | { |
307 | va_list ap; | |
308 | ||
309 | va_start(ap,message); | |
fe5e9cc4 | 310 | logfile_vlog(state,class,message,ap); |
7138d0c5 SE |
311 | va_end(ap); |
312 | } | |
313 | ||
314 | static void logfile_hup_notify(void *sst, int signum) | |
315 | { | |
316 | struct logfile *st=sst; | |
317 | FILE *f; | |
318 | f=fopen(st->logfile,"a"); | |
319 | if (!f) { | |
320 | logfile_log(st,M_FATAL,"received SIGHUP, but could not reopen " | |
321 | "logfile: %s",strerror(errno)); | |
322 | } else { | |
323 | fclose(st->f); | |
324 | st->f=f; | |
325 | logfile_log(st,M_INFO,"received SIGHUP"); | |
326 | } | |
327 | } | |
328 | ||
329 | static void logfile_phase_hook(void *sst, uint32_t new_phase) | |
330 | { | |
331 | struct logfile *st=sst; | |
332 | FILE *f; | |
333 | ||
334 | if (background) { | |
335 | f=fopen(st->logfile,"a"); | |
336 | if (!f) fatal_perror("logfile (%s:%d): cannot open \"%s\"", | |
337 | st->loc.file,st->loc.line,st->logfile); | |
338 | st->f=f; | |
339 | request_signal_notification(SIGHUP, logfile_hup_notify,st); | |
340 | } | |
341 | } | |
342 | ||
343 | static struct flagstr message_class_table[]={ | |
344 | { "debug-config", M_DEBUG_CONFIG }, | |
345 | { "debug-phase", M_DEBUG_PHASE }, | |
346 | { "debug", M_DEBUG }, | |
347 | { "all-debug", M_DEBUG|M_DEBUG_PHASE|M_DEBUG_CONFIG }, | |
348 | { "info", M_INFO }, | |
349 | { "notice", M_NOTICE }, | |
350 | { "warning", M_WARNING }, | |
469fd1d9 | 351 | { "error", M_ERR }, |
7138d0c5 SE |
352 | { "security", M_SECURITY }, |
353 | { "fatal", M_FATAL }, | |
469fd1d9 SE |
354 | { "default", M_WARNING|M_ERR|M_SECURITY|M_FATAL }, |
355 | { "verbose", M_INFO|M_NOTICE|M_WARNING|M_ERR|M_SECURITY|M_FATAL }, | |
7138d0c5 SE |
356 | { "quiet", M_FATAL }, |
357 | { NULL, 0 } | |
358 | }; | |
359 | ||
360 | static list_t *logfile_apply(closure_t *self, struct cloc loc, dict_t *context, | |
361 | list_t *args) | |
362 | { | |
363 | struct logfile *st; | |
364 | item_t *item; | |
365 | dict_t *dict; | |
366 | ||
367 | /* We should defer opening the logfile until the getresources | |
368 | phase. We should defer writing into the logfile until after we | |
369 | become a daemon. */ | |
370 | ||
371 | st=safe_malloc(sizeof(*st),"logfile_apply"); | |
372 | st->cl.description="logfile"; | |
373 | st->cl.type=CL_LOG; | |
374 | st->cl.apply=NULL; | |
375 | st->cl.interface=&st->ops; | |
376 | st->ops.st=st; | |
779837e1 | 377 | st->ops.vlogfn=logfile_vlog; |
ff1dcd86 | 378 | st->ops.buff[0]=0; |
7138d0c5 | 379 | st->loc=loc; |
fe5e9cc4 | 380 | st->f=NULL; |
7138d0c5 SE |
381 | |
382 | item=list_elem(args,0); | |
383 | if (!item || item->type!=t_dict) { | |
384 | cfgfatal(loc,"logfile","argument must be a dictionary\n"); | |
385 | } | |
386 | dict=item->data.dict; | |
387 | ||
388 | st->logfile=dict_read_string(dict,"filename",True,"logfile",loc); | |
389 | st->level=string_list_to_word(dict_lookup(dict,"class"), | |
390 | message_class_table,"logfile"); | |
391 | ||
392 | add_hook(PHASE_GETRESOURCES,logfile_phase_hook,st); | |
393 | ||
394 | return new_closure(&st->cl); | |
395 | } | |
396 | ||
397 | struct syslog { | |
398 | closure_t cl; | |
399 | struct log_if ops; | |
400 | string_t ident; | |
401 | int facility; | |
402 | bool_t open; | |
403 | }; | |
404 | ||
405 | static int msgclass_to_syslogpriority(uint32_t m) | |
406 | { | |
407 | switch (m) { | |
408 | case M_DEBUG_CONFIG: return LOG_DEBUG; | |
409 | case M_DEBUG_PHASE: return LOG_DEBUG; | |
410 | case M_DEBUG: return LOG_DEBUG; | |
411 | case M_INFO: return LOG_INFO; | |
412 | case M_NOTICE: return LOG_NOTICE; | |
413 | case M_WARNING: return LOG_WARNING; | |
469fd1d9 | 414 | case M_ERR: return LOG_ERR; |
7138d0c5 SE |
415 | case M_SECURITY: return LOG_CRIT; |
416 | case M_FATAL: return LOG_EMERG; | |
417 | default: return LOG_NOTICE; | |
418 | } | |
419 | } | |
420 | ||
fe5e9cc4 | 421 | static void syslog_vlog(void *sst, int class, const char *message, |
7138d0c5 | 422 | va_list args) |
779837e1 IJ |
423 | FORMAT(printf,3,0); |
424 | static void syslog_vlog(void *sst, int class, const char *message, | |
425 | va_list args) | |
7138d0c5 SE |
426 | { |
427 | struct syslog *st=sst; | |
428 | ||
429 | if (st->open) | |
430 | vsyslog(msgclass_to_syslogpriority(class),message,args); | |
431 | else { | |
ba72e2bf IJ |
432 | vMessageFallback(class,message,args); |
433 | MessageFallback(class,"\n"); | |
7138d0c5 SE |
434 | } |
435 | } | |
436 | ||
7138d0c5 | 437 | static struct flagstr syslog_facility_table[]={ |
8dea8d37 SE |
438 | #ifdef LOG_AUTH |
439 | { "auth", LOG_AUTH }, | |
440 | #endif | |
441 | #ifdef LOG_AUTHPRIV | |
7138d0c5 | 442 | { "authpriv", LOG_AUTHPRIV }, |
8dea8d37 | 443 | #endif |
7138d0c5 SE |
444 | { "cron", LOG_CRON }, |
445 | { "daemon", LOG_DAEMON }, | |
446 | { "kern", LOG_KERN }, | |
447 | { "local0", LOG_LOCAL0 }, | |
448 | { "local1", LOG_LOCAL1 }, | |
449 | { "local2", LOG_LOCAL2 }, | |
450 | { "local3", LOG_LOCAL3 }, | |
451 | { "local4", LOG_LOCAL4 }, | |
452 | { "local5", LOG_LOCAL5 }, | |
453 | { "local6", LOG_LOCAL6 }, | |
454 | { "local7", LOG_LOCAL7 }, | |
455 | { "lpr", LOG_LPR }, | |
456 | { "mail", LOG_MAIL }, | |
457 | { "news", LOG_NEWS }, | |
458 | { "syslog", LOG_SYSLOG }, | |
459 | { "user", LOG_USER }, | |
460 | { "uucp", LOG_UUCP }, | |
461 | { NULL, 0 } | |
462 | }; | |
463 | ||
464 | static void syslog_phase_hook(void *sst, uint32_t newphase) | |
465 | { | |
466 | struct syslog *st=sst; | |
467 | ||
468 | if (background) { | |
469 | openlog(st->ident,0,st->facility); | |
470 | st->open=True; | |
471 | } | |
472 | } | |
473 | ||
474 | static list_t *syslog_apply(closure_t *self, struct cloc loc, dict_t *context, | |
475 | list_t *args) | |
476 | { | |
477 | struct syslog *st; | |
478 | dict_t *d; | |
479 | item_t *item; | |
480 | string_t facstr; | |
481 | ||
482 | st=safe_malloc(sizeof(*st),"syslog_apply"); | |
483 | st->cl.description="syslog"; | |
484 | st->cl.type=CL_LOG; | |
485 | st->cl.apply=NULL; | |
486 | st->cl.interface=&st->ops; | |
487 | st->ops.st=st; | |
779837e1 | 488 | st->ops.vlogfn=syslog_vlog; |
ff1dcd86 | 489 | st->ops.buff[0]=0; |
7138d0c5 SE |
490 | |
491 | item=list_elem(args,0); | |
492 | if (!item || item->type!=t_dict) | |
493 | cfgfatal(loc,"syslog","parameter must be a dictionary\n"); | |
494 | d=item->data.dict; | |
495 | ||
496 | st->ident=dict_read_string(d, "ident", False, "syslog", loc); | |
497 | facstr=dict_read_string(d, "facility", True, "syslog", loc); | |
498 | st->facility=string_to_word(facstr,loc, | |
499 | syslog_facility_table,"syslog"); | |
500 | st->open=False; | |
501 | add_hook(PHASE_GETRESOURCES,syslog_phase_hook,st); | |
502 | ||
503 | return new_closure(&st->cl); | |
504 | } | |
505 | ||
fe5e9cc4 SE |
506 | /* Read from a fd and output to a log. This is a quick hack to |
507 | support logging stderr, and needs code adding to tidy up before it | |
508 | can be used for anything else. */ | |
509 | #define FDLOG_BUFSIZE 1024 | |
510 | struct fdlog { | |
511 | struct log_if *log; | |
512 | int fd; | |
513 | cstring_t prefix; | |
514 | string_t buffer; | |
515 | int i; | |
516 | bool_t finished; | |
517 | }; | |
518 | ||
519 | static int log_from_fd_beforepoll(void *sst, struct pollfd *fds, int *nfds_io, | |
90a39563 | 520 | int *timeout_io) |
fe5e9cc4 SE |
521 | { |
522 | struct fdlog *st=sst; | |
523 | if (!st->finished) { | |
ee697dd9 | 524 | BEFOREPOLL_WANT_FDS(1); |
fe5e9cc4 SE |
525 | fds[0].fd=st->fd; |
526 | fds[0].events=POLLIN; | |
ee697dd9 IJ |
527 | } else { |
528 | BEFOREPOLL_WANT_FDS(0); | |
fe5e9cc4 SE |
529 | } |
530 | return 0; | |
531 | } | |
532 | ||
90a39563 | 533 | static void log_from_fd_afterpoll(void *sst, struct pollfd *fds, int nfds) |
fe5e9cc4 SE |
534 | { |
535 | struct fdlog *st=sst; | |
536 | int r,remain,i; | |
537 | ||
538 | if (nfds==0) return; | |
539 | if (fds[0].revents&POLLERR) { | |
540 | st->finished=True; | |
541 | } | |
542 | if (fds[0].revents&POLLIN) { | |
543 | remain=FDLOG_BUFSIZE-st->i-1; | |
544 | if (remain<=0) { | |
545 | st->buffer[FDLOG_BUFSIZE-1]=0; | |
779837e1 | 546 | slilog(st->log,M_WARNING,"%s: overlong line: %s", |
fe5e9cc4 SE |
547 | st->prefix,st->buffer); |
548 | st->i=0; | |
549 | remain=FDLOG_BUFSIZE-1; | |
550 | } | |
551 | r=read(st->fd,st->buffer+st->i,remain); | |
552 | if (r>0) { | |
553 | st->i+=r; | |
554 | for (i=0; i<st->i; i++) { | |
555 | if (st->buffer[i]=='\n') { | |
556 | st->buffer[i]=0; | |
779837e1 | 557 | slilog(st->log,M_INFO,"%s: %s", |
fe5e9cc4 SE |
558 | st->prefix,st->buffer); |
559 | i++; | |
560 | memmove(st->buffer,st->buffer+i,st->i-i); | |
561 | st->i-=i; | |
562 | i=-1; | |
563 | } | |
564 | } | |
565 | } else { | |
566 | Message(M_WARNING,"log_from_fd: %s\n",strerror(errno)); | |
567 | st->finished=True; | |
568 | } | |
569 | } | |
570 | } | |
571 | ||
572 | void log_from_fd(int fd, cstring_t prefix, struct log_if *log) | |
573 | { | |
574 | struct fdlog *st; | |
575 | ||
576 | st=safe_malloc(sizeof(*st),"log_from_fd"); | |
577 | st->log=log; | |
578 | st->fd=fd; | |
579 | st->prefix=prefix; | |
580 | st->buffer=safe_malloc(FDLOG_BUFSIZE,"log_from_fd"); | |
581 | st->i=0; | |
582 | st->finished=False; | |
583 | ||
32fc582f | 584 | register_for_poll(st,log_from_fd_beforepoll,log_from_fd_afterpoll, |
fe5e9cc4 SE |
585 | prefix); |
586 | } | |
587 | ||
7138d0c5 SE |
588 | void log_module(dict_t *dict) |
589 | { | |
590 | add_closure(dict,"logfile",logfile_apply); | |
591 | add_closure(dict,"syslog",syslog_apply); | |
592 | } |