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Commit | Line | Data |
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ef416fc2 | 1 | /* |
f2d18633 | 2 | * "$Id$" |
ef416fc2 | 3 | * |
996acce8 | 4 | * Log file routines for the CUPS scheduler. |
ef416fc2 | 5 | * |
996acce8 MS |
6 | * Copyright 2007-2013 by Apple Inc. |
7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
ef416fc2 | 8 | * |
996acce8 MS |
9 | * These coded instructions, statements, and computer programs are the |
10 | * property of Apple Inc. and are protected by Federal copyright | |
11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
12 | * which should have been included with this file. If this file is | |
13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
ef416fc2 | 14 | */ |
15 | ||
16 | /* | |
17 | * Include necessary headers... | |
18 | */ | |
19 | ||
20 | #include "cupsd.h" | |
21 | #include <stdarg.h> | |
b423cd4c | 22 | #include <syslog.h> |
ef416fc2 | 23 | |
24 | ||
75bd9771 MS |
25 | /* |
26 | * Local globals... | |
27 | */ | |
28 | ||
28a463e0 MS |
29 | static _cups_mutex_t log_mutex = _CUPS_MUTEX_INITIALIZER; |
30 | /* Mutex for logging */ | |
75bd9771 MS |
31 | static int log_linesize = 0; /* Size of line for output file */ |
32 | static char *log_line = NULL; /* Line for output file */ | |
33 | ||
cb7f98ee MS |
34 | #ifdef HAVE_VSYSLOG |
35 | static const int syslevels[] = /* SYSLOG levels... */ | |
36 | { | |
37 | 0, | |
38 | LOG_EMERG, | |
39 | LOG_ALERT, | |
40 | LOG_CRIT, | |
41 | LOG_ERR, | |
42 | LOG_WARNING, | |
43 | LOG_NOTICE, | |
44 | LOG_INFO, | |
45 | LOG_DEBUG, | |
46 | LOG_DEBUG | |
47 | }; | |
48 | #endif /* HAVE_VSYSLOG */ | |
49 | ||
75bd9771 | 50 | |
ef416fc2 | 51 | /* |
52 | * Local functions... | |
53 | */ | |
54 | ||
005dd1eb | 55 | static int format_log_line(const char *message, va_list ap); |
ef416fc2 | 56 | |
57 | ||
22c9029b MS |
58 | /* |
59 | * 'cupsdCheckLogFile()' - Open/rotate a log file if it needs it. | |
60 | */ | |
61 | ||
62 | int /* O - 1 if log file open */ | |
63 | cupsdCheckLogFile(cups_file_t **lf, /* IO - Log file */ | |
64 | const char *logname) /* I - Log filename */ | |
65 | { | |
66 | char backname[1024], /* Backup log filename */ | |
67 | filename[1024], /* Formatted log filename */ | |
68 | *ptr; /* Pointer into filename */ | |
69 | const char *logptr; /* Pointer into log filename */ | |
70 | ||
71 | ||
72 | /* | |
73 | * See if we have a log file to check... | |
74 | */ | |
75 | ||
76 | if (!lf || !logname || !logname[0]) | |
77 | return (1); | |
78 | ||
79 | /* | |
80 | * Format the filename as needed... | |
81 | */ | |
82 | ||
83 | if (!*lf || | |
84 | (strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize && | |
85 | MaxLogSize > 0)) | |
86 | { | |
87 | /* | |
88 | * Handle format strings... | |
89 | */ | |
90 | ||
91 | filename[sizeof(filename) - 1] = '\0'; | |
92 | ||
93 | if (logname[0] != '/') | |
94 | { | |
95 | strlcpy(filename, ServerRoot, sizeof(filename)); | |
96 | strlcat(filename, "/", sizeof(filename)); | |
97 | } | |
98 | else | |
99 | filename[0] = '\0'; | |
100 | ||
101 | for (logptr = logname, ptr = filename + strlen(filename); | |
102 | *logptr && ptr < (filename + sizeof(filename) - 1); | |
103 | logptr ++) | |
104 | if (*logptr == '%') | |
105 | { | |
106 | /* | |
107 | * Format spec... | |
108 | */ | |
109 | ||
110 | logptr ++; | |
111 | if (*logptr == 's') | |
112 | { | |
113 | /* | |
114 | * Insert the server name... | |
115 | */ | |
116 | ||
117 | strlcpy(ptr, ServerName, sizeof(filename) - (ptr - filename)); | |
118 | ptr += strlen(ptr); | |
119 | } | |
120 | else | |
121 | { | |
122 | /* | |
123 | * Otherwise just insert the character... | |
124 | */ | |
125 | ||
126 | *ptr++ = *logptr; | |
127 | } | |
128 | } | |
129 | else | |
130 | *ptr++ = *logptr; | |
131 | ||
132 | *ptr = '\0'; | |
133 | } | |
134 | ||
135 | /* | |
136 | * See if the log file is open... | |
137 | */ | |
138 | ||
139 | if (!*lf) | |
140 | { | |
141 | /* | |
142 | * Nope, open the log file... | |
143 | */ | |
144 | ||
145 | if ((*lf = cupsFileOpen(filename, "a")) == NULL) | |
146 | { | |
147 | /* | |
148 | * If the file is in CUPS_LOGDIR then try to create a missing directory... | |
149 | */ | |
150 | ||
151 | if (!strncmp(filename, CUPS_LOGDIR, strlen(CUPS_LOGDIR))) | |
152 | { | |
153 | /* | |
154 | * Try updating the permissions of the containing log directory, using | |
155 | * the log file permissions as a basis... | |
156 | */ | |
157 | ||
158 | int log_dir_perm = 0300 | LogFilePerm; | |
159 | /* LogFilePerm + owner write/search */ | |
160 | if (log_dir_perm & 0040) | |
161 | log_dir_perm |= 0010; /* Add group search */ | |
162 | if (log_dir_perm & 0004) | |
163 | log_dir_perm |= 0001; /* Add other search */ | |
164 | ||
165 | cupsdCheckPermissions(CUPS_LOGDIR, NULL, log_dir_perm, RunUser, Group, | |
166 | 1, -1); | |
167 | ||
168 | *lf = cupsFileOpen(filename, "a"); | |
169 | } | |
170 | ||
171 | if (*lf == NULL) | |
172 | { | |
173 | syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, | |
174 | strerror(errno)); | |
175 | ||
176 | if (FatalErrors & CUPSD_FATAL_LOG) | |
177 | cupsdEndProcess(getpid(), 0); | |
178 | ||
179 | return (0); | |
180 | } | |
181 | } | |
182 | ||
183 | if (strncmp(filename, "/dev/", 5)) | |
184 | { | |
185 | /* | |
186 | * Change ownership and permissions of non-device logs... | |
187 | */ | |
188 | ||
189 | fchown(cupsFileNumber(*lf), RunUser, Group); | |
190 | fchmod(cupsFileNumber(*lf), LogFilePerm); | |
191 | } | |
192 | } | |
193 | ||
194 | /* | |
195 | * Do we need to rotate the log? | |
196 | */ | |
197 | ||
198 | if (strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize && | |
199 | MaxLogSize > 0) | |
200 | { | |
201 | /* | |
202 | * Rotate log file... | |
203 | */ | |
204 | ||
205 | cupsFileClose(*lf); | |
206 | ||
5a9febac | 207 | strlcpy(backname, filename, sizeof(backname)); |
22c9029b MS |
208 | strlcat(backname, ".O", sizeof(backname)); |
209 | ||
210 | unlink(backname); | |
211 | rename(filename, backname); | |
212 | ||
213 | if ((*lf = cupsFileOpen(filename, "a")) == NULL) | |
214 | { | |
215 | syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, | |
216 | strerror(errno)); | |
217 | ||
218 | if (FatalErrors & CUPSD_FATAL_LOG) | |
219 | cupsdEndProcess(getpid(), 0); | |
220 | ||
221 | return (0); | |
222 | } | |
223 | ||
224 | /* | |
225 | * Change ownership and permissions of non-device logs... | |
226 | */ | |
227 | ||
228 | fchown(cupsFileNumber(*lf), RunUser, Group); | |
229 | fchmod(cupsFileNumber(*lf), LogFilePerm); | |
230 | } | |
231 | ||
232 | return (1); | |
233 | } | |
234 | ||
235 | ||
ef416fc2 | 236 | /* |
237 | * 'cupsdGetDateTime()' - Returns a pointer to a date/time string. | |
238 | */ | |
239 | ||
240 | char * /* O - Date/time string */ | |
dfd5680b MS |
241 | cupsdGetDateTime(struct timeval *t, /* I - Time value or NULL for current */ |
242 | cupsd_time_t format) /* I - Format to use */ | |
ef416fc2 | 243 | { |
dfd5680b MS |
244 | struct timeval curtime; /* Current time value */ |
245 | struct tm *date; /* Date/time value */ | |
246 | static struct timeval last_time = { 0, 0 }; | |
247 | /* Last time we formatted */ | |
248 | static char s[1024]; /* Date/time string */ | |
ef416fc2 | 249 | static const char * const months[12] =/* Months */ |
250 | { | |
251 | "Jan", | |
252 | "Feb", | |
253 | "Mar", | |
254 | "Apr", | |
255 | "May", | |
256 | "Jun", | |
257 | "Jul", | |
258 | "Aug", | |
259 | "Sep", | |
260 | "Oct", | |
261 | "Nov", | |
262 | "Dec" | |
263 | }; | |
264 | ||
265 | ||
839a51c8 MS |
266 | /* |
267 | * Make sure we have a valid time... | |
268 | */ | |
269 | ||
270 | if (!t) | |
dfd5680b MS |
271 | { |
272 | gettimeofday(&curtime, NULL); | |
273 | t = &curtime; | |
274 | } | |
839a51c8 | 275 | |
dfd5680b MS |
276 | if (t->tv_sec != last_time.tv_sec || |
277 | (LogTimeFormat == CUPSD_TIME_USECS && t->tv_usec != last_time.tv_usec)) | |
ef416fc2 | 278 | { |
dfd5680b | 279 | last_time = *t; |
ef416fc2 | 280 | |
281 | /* | |
282 | * Get the date and time from the UNIX time value, and then format it | |
283 | * into a string. Note that we *can't* use the strftime() function since | |
284 | * it is localized and will seriously confuse automatic programs if the | |
285 | * month names are in the wrong language! | |
286 | * | |
287 | * Also, we use the "timezone" variable that contains the current timezone | |
288 | * offset from GMT in seconds so that we are reporting local time in the | |
289 | * log files. If you want GMT, set the TZ environment variable accordingly | |
290 | * before starting the scheduler. | |
291 | * | |
292 | * (*BSD and Darwin store the timezone offset in the tm structure) | |
293 | */ | |
294 | ||
dfd5680b | 295 | date = localtime(&(t->tv_sec)); |
ef416fc2 | 296 | |
dfd5680b MS |
297 | if (format == CUPSD_TIME_STANDARD) |
298 | snprintf(s, sizeof(s), "[%02d/%s/%04d:%02d:%02d:%02d %+03ld%02ld]", | |
299 | date->tm_mday, months[date->tm_mon], 1900 + date->tm_year, | |
300 | date->tm_hour, date->tm_min, date->tm_sec, | |
301 | #ifdef HAVE_TM_GMTOFF | |
302 | date->tm_gmtoff / 3600, (date->tm_gmtoff / 60) % 60); | |
303 | #else | |
304 | timezone / 3600, (timezone / 60) % 60); | |
305 | #endif /* HAVE_TM_GMTOFF */ | |
306 | else | |
307 | snprintf(s, sizeof(s), "[%02d/%s/%04d:%02d:%02d:%02d.%06d %+03ld%02ld]", | |
308 | date->tm_mday, months[date->tm_mon], 1900 + date->tm_year, | |
bf3816c7 | 309 | date->tm_hour, date->tm_min, date->tm_sec, (int)t->tv_usec, |
ef416fc2 | 310 | #ifdef HAVE_TM_GMTOFF |
dfd5680b | 311 | date->tm_gmtoff / 3600, (date->tm_gmtoff / 60) % 60); |
ef416fc2 | 312 | #else |
dfd5680b | 313 | timezone / 3600, (timezone / 60) % 60); |
ef416fc2 | 314 | #endif /* HAVE_TM_GMTOFF */ |
315 | } | |
316 | ||
317 | return (s); | |
318 | } | |
319 | ||
320 | ||
22c9029b MS |
321 | /* |
322 | * 'cupsdLogFCMessage()' - Log a file checking message. | |
323 | */ | |
324 | ||
325 | void | |
326 | cupsdLogFCMessage( | |
327 | void *context, /* I - Printer (if any) */ | |
328 | _cups_fc_result_t result, /* I - Check result */ | |
329 | const char *message) /* I - Message to log */ | |
330 | { | |
331 | cupsd_printer_t *p = (cupsd_printer_t *)context; | |
332 | /* Printer */ | |
333 | cupsd_loglevel_t level; /* Log level */ | |
334 | ||
335 | ||
336 | if (result == _CUPS_FILE_CHECK_OK) | |
337 | level = CUPSD_LOG_DEBUG2; | |
338 | else | |
339 | level = CUPSD_LOG_ERROR; | |
340 | ||
341 | if (p) | |
342 | { | |
343 | cupsdLogMessage(level, "%s: %s", p->name, message); | |
344 | ||
345 | if (result == _CUPS_FILE_CHECK_MISSING || | |
346 | result == _CUPS_FILE_CHECK_WRONG_TYPE) | |
347 | { | |
348 | strlcpy(p->state_message, message, sizeof(p->state_message)); | |
349 | ||
350 | if (cupsdSetPrinterReasons(p, "+cups-missing-filter-warning")) | |
351 | cupsdAddEvent(CUPSD_EVENT_PRINTER_STATE, p, NULL, "%s", message); | |
352 | } | |
88f9aafc MS |
353 | else if (result == _CUPS_FILE_CHECK_PERMISSIONS || |
354 | result == _CUPS_FILE_CHECK_RELATIVE_PATH) | |
22c9029b MS |
355 | { |
356 | strlcpy(p->state_message, message, sizeof(p->state_message)); | |
357 | ||
358 | if (cupsdSetPrinterReasons(p, "+cups-insecure-filter-warning")) | |
359 | cupsdAddEvent(CUPSD_EVENT_PRINTER_STATE, p, NULL, "%s", message); | |
360 | } | |
361 | } | |
362 | else | |
363 | cupsdLogMessage(level, "%s", message); | |
364 | } | |
365 | ||
366 | ||
f7deaa1a | 367 | #ifdef HAVE_GSSAPI |
368 | /* | |
369 | * 'cupsdLogGSSMessage()' - Log a GSSAPI error... | |
370 | */ | |
371 | ||
372 | int /* O - 1 on success, 0 on error */ | |
373 | cupsdLogGSSMessage( | |
374 | int level, /* I - Log level */ | |
375 | int major_status, /* I - Major GSSAPI status */ | |
376 | int minor_status, /* I - Minor GSSAPI status */ | |
377 | const char *message, /* I - printf-style message string */ | |
378 | ...) /* I - Additional args as needed */ | |
379 | { | |
380 | OM_uint32 err_major_status, /* Major status code for display */ | |
381 | err_minor_status; /* Minor status code for display */ | |
382 | OM_uint32 msg_ctx; /* Message context */ | |
383 | gss_buffer_desc major_status_string = GSS_C_EMPTY_BUFFER, | |
384 | /* Major status message */ | |
385 | minor_status_string = GSS_C_EMPTY_BUFFER; | |
386 | /* Minor status message */ | |
387 | int ret; /* Return value */ | |
dcb445bc | 388 | char buffer[8192]; /* Buffer for vsnprintf */ |
f7deaa1a | 389 | |
390 | ||
dcb445bc MS |
391 | if (strchr(message, '%')) |
392 | { | |
393 | /* | |
394 | * Format the message string... | |
395 | */ | |
396 | ||
397 | va_list ap; /* Pointer to arguments */ | |
398 | ||
399 | va_start(ap, message); | |
400 | vsnprintf(buffer, sizeof(buffer), message, ap); | |
401 | va_end(ap); | |
402 | ||
403 | message = buffer; | |
404 | } | |
405 | ||
f7deaa1a | 406 | msg_ctx = 0; |
407 | err_major_status = gss_display_status(&err_minor_status, | |
408 | major_status, | |
409 | GSS_C_GSS_CODE, | |
410 | GSS_C_NO_OID, | |
411 | &msg_ctx, | |
412 | &major_status_string); | |
413 | ||
414 | if (!GSS_ERROR(err_major_status)) | |
1f0275e3 MS |
415 | gss_display_status(&err_minor_status, minor_status, GSS_C_MECH_CODE, |
416 | GSS_C_NULL_OID, &msg_ctx, &minor_status_string); | |
f7deaa1a | 417 | |
418 | ret = cupsdLogMessage(level, "%s: %s, %s", message, | |
419 | (char *)major_status_string.value, | |
420 | (char *)minor_status_string.value); | |
421 | gss_release_buffer(&err_minor_status, &major_status_string); | |
422 | gss_release_buffer(&err_minor_status, &minor_status_string); | |
423 | ||
424 | return (ret); | |
425 | } | |
426 | #endif /* HAVE_GSSAPI */ | |
427 | ||
428 | ||
996acce8 MS |
429 | /* |
430 | * 'cupsdLogClient()' - Log a client message. | |
431 | */ | |
432 | ||
433 | int /* O - 1 on success, 0 on error */ | |
434 | cupsdLogClient(cupsd_client_t *con, /* I - Client connection */ | |
435 | int level, /* I - Log level */ | |
436 | const char *message, /* I - Printf-style message string */ | |
437 | ...) /* I - Additional arguments as needed */ | |
438 | { | |
439 | va_list ap, ap2; /* Argument pointers */ | |
440 | char clientmsg[1024];/* Format string for client message */ | |
441 | int status; /* Formatting status */ | |
442 | ||
443 | ||
444 | /* | |
445 | * See if we want to log this message... | |
446 | */ | |
447 | ||
448 | if (TestConfigFile || !ErrorLog) | |
449 | return (1); | |
450 | ||
451 | if (level > LogLevel) | |
452 | return (1); | |
453 | ||
454 | /* | |
455 | * Format and write the log message... | |
456 | */ | |
457 | ||
458 | if (con) | |
459 | snprintf(clientmsg, sizeof(clientmsg), "[Client %d] %s", con->number, | |
460 | message); | |
461 | else | |
462 | strlcpy(clientmsg, message, sizeof(clientmsg)); | |
463 | ||
464 | va_start(ap, message); | |
465 | ||
466 | do | |
467 | { | |
468 | va_copy(ap2, ap); | |
469 | status = format_log_line(clientmsg, ap2); | |
470 | va_end(ap2); | |
471 | } | |
472 | while (status == 0); | |
473 | ||
474 | va_end(ap); | |
475 | ||
476 | if (status > 0) | |
477 | return (cupsdWriteErrorLog(level, log_line)); | |
478 | else | |
479 | return (cupsdWriteErrorLog(CUPSD_LOG_ERROR, | |
480 | "Unable to allocate memory for log line.")); | |
481 | } | |
482 | ||
483 | ||
ef416fc2 | 484 | /* |
75bd9771 | 485 | * 'cupsdLogJob()' - Log a job message. |
ef416fc2 | 486 | */ |
487 | ||
488 | int /* O - 1 on success, 0 on error */ | |
75bd9771 MS |
489 | cupsdLogJob(cupsd_job_t *job, /* I - Job */ |
490 | int level, /* I - Log level */ | |
491 | const char *message, /* I - Printf-style message string */ | |
492 | ...) /* I - Additional arguments as needed */ | |
ef416fc2 | 493 | { |
dcb445bc | 494 | va_list ap, ap2; /* Argument pointers */ |
005dd1eb MS |
495 | char jobmsg[1024]; /* Format string for job message */ |
496 | int status; /* Formatting status */ | |
ef416fc2 | 497 | |
498 | ||
499 | /* | |
500 | * See if we want to log this message... | |
501 | */ | |
502 | ||
94da7e34 MS |
503 | if (TestConfigFile || !ErrorLog) |
504 | return (1); | |
505 | ||
178cb736 MS |
506 | if ((level > LogLevel || |
507 | (level == CUPSD_LOG_INFO && LogLevel < CUPSD_LOG_DEBUG)) && | |
508 | LogDebugHistory <= 0) | |
2e4ff8af | 509 | return (1); |
2e4ff8af | 510 | |
ef416fc2 | 511 | /* |
75bd9771 | 512 | * Format and write the log message... |
ef416fc2 | 513 | */ |
514 | ||
dcb445bc MS |
515 | if (job) |
516 | snprintf(jobmsg, sizeof(jobmsg), "[Job %d] %s", job->id, message); | |
517 | else | |
518 | strlcpy(jobmsg, message, sizeof(jobmsg)); | |
519 | ||
520 | va_start(ap, message); | |
ef416fc2 | 521 | |
005dd1eb MS |
522 | do |
523 | { | |
dcb445bc MS |
524 | va_copy(ap2, ap); |
525 | status = format_log_line(jobmsg, ap2); | |
526 | va_end(ap2); | |
005dd1eb MS |
527 | } |
528 | while (status == 0); | |
771bd8cb | 529 | |
dcb445bc MS |
530 | va_end(ap); |
531 | ||
005dd1eb | 532 | if (status > 0) |
178cb736 | 533 | { |
dcb445bc MS |
534 | if (job && |
535 | (level > LogLevel || | |
178cb736 MS |
536 | (level == CUPSD_LOG_INFO && LogLevel < CUPSD_LOG_DEBUG)) && |
537 | LogDebugHistory > 0) | |
538 | { | |
539 | /* | |
540 | * Add message to the job history... | |
541 | */ | |
542 | ||
543 | cupsd_joblog_t *temp; /* Copy of log message */ | |
ff2b08f9 MS |
544 | size_t log_len = strlen(log_line); |
545 | /* Length of log message */ | |
178cb736 | 546 | |
ff2b08f9 | 547 | if ((temp = malloc(sizeof(cupsd_joblog_t) + log_len)) != NULL) |
178cb736 MS |
548 | { |
549 | temp->time = time(NULL); | |
ff2b08f9 | 550 | memcpy(temp->message, log_line, log_len + 1); |
178cb736 MS |
551 | } |
552 | ||
553 | if (!job->history) | |
554 | job->history = cupsArrayNew(NULL, NULL); | |
555 | ||
556 | if (job->history && temp) | |
557 | { | |
558 | cupsArrayAdd(job->history, temp); | |
559 | ||
560 | if (cupsArrayCount(job->history) > LogDebugHistory) | |
561 | { | |
562 | /* | |
563 | * Remove excess messages... | |
564 | */ | |
565 | ||
566 | temp = cupsArrayFirst(job->history); | |
567 | cupsArrayRemove(job->history, temp); | |
568 | free(temp); | |
569 | } | |
570 | } | |
571 | else if (temp) | |
572 | free(temp); | |
573 | ||
574 | return (1); | |
575 | } | |
576 | else if (level <= LogLevel && | |
577 | (level != CUPSD_LOG_INFO || LogLevel >= CUPSD_LOG_DEBUG)) | |
578 | return (cupsdWriteErrorLog(level, log_line)); | |
579 | else | |
580 | return (1); | |
581 | } | |
75bd9771 MS |
582 | else |
583 | return (cupsdWriteErrorLog(CUPSD_LOG_ERROR, | |
996acce8 | 584 | "Unable to allocate memory for log line.")); |
75bd9771 | 585 | } |
ef416fc2 | 586 | |
ef416fc2 | 587 | |
75bd9771 MS |
588 | /* |
589 | * 'cupsdLogMessage()' - Log a message to the error log file. | |
590 | */ | |
ef416fc2 | 591 | |
75bd9771 MS |
592 | int /* O - 1 on success, 0 on error */ |
593 | cupsdLogMessage(int level, /* I - Log level */ | |
594 | const char *message, /* I - printf-style message string */ | |
595 | ...) /* I - Additional args as needed */ | |
596 | { | |
dcb445bc | 597 | va_list ap, ap2; /* Argument pointers */ |
005dd1eb | 598 | int status; /* Formatting status */ |
ef416fc2 | 599 | |
ef416fc2 | 600 | |
601 | /* | |
75bd9771 | 602 | * See if we want to log this message... |
ef416fc2 | 603 | */ |
604 | ||
85dda01c | 605 | if ((TestConfigFile || !ErrorLog) && level <= CUPSD_LOG_WARN) |
ef416fc2 | 606 | { |
a4845881 | 607 | va_start(ap, message); |
cb7f98ee MS |
608 | #ifdef HAVE_VSYSLOG |
609 | vsyslog(LOG_LPR | syslevels[level], message, ap); | |
610 | #else | |
a4845881 MS |
611 | vfprintf(stderr, message, ap); |
612 | putc('\n', stderr); | |
cb7f98ee | 613 | #endif /* HAVE_VSYSLOG */ |
a4845881 | 614 | va_end(ap); |
ef416fc2 | 615 | |
75bd9771 | 616 | return (1); |
ef416fc2 | 617 | } |
618 | ||
75bd9771 MS |
619 | if (level > LogLevel || !ErrorLog) |
620 | return (1); | |
ef416fc2 | 621 | |
622 | /* | |
75bd9771 | 623 | * Format and write the log message... |
ef416fc2 | 624 | */ |
625 | ||
dcb445bc MS |
626 | va_start(ap, message); |
627 | ||
005dd1eb MS |
628 | do |
629 | { | |
dcb445bc MS |
630 | va_copy(ap2, ap); |
631 | status = format_log_line(message, ap2); | |
632 | va_end(ap2); | |
005dd1eb MS |
633 | } |
634 | while (status == 0); | |
ef416fc2 | 635 | |
dcb445bc MS |
636 | va_end(ap); |
637 | ||
005dd1eb MS |
638 | if (status > 0) |
639 | return (cupsdWriteErrorLog(level, log_line)); | |
75bd9771 MS |
640 | else |
641 | return (cupsdWriteErrorLog(CUPSD_LOG_ERROR, | |
642 | "Unable to allocate memory for log line!")); | |
ef416fc2 | 643 | } |
644 | ||
645 | ||
646 | /* | |
647 | * 'cupsdLogPage()' - Log a page to the page log file. | |
648 | */ | |
649 | ||
650 | int /* O - 1 on success, 0 on error */ | |
651 | cupsdLogPage(cupsd_job_t *job, /* I - Job being printed */ | |
652 | const char *page) /* I - Page being printed */ | |
653 | { | |
01ce6322 MS |
654 | int i; /* Looping var */ |
655 | char buffer[2048], /* Buffer for page log */ | |
656 | *bufptr, /* Pointer into buffer */ | |
657 | name[256]; /* Attribute name */ | |
658 | const char *format, /* Pointer into PageLogFormat */ | |
659 | *nameend; /* End of attribute name */ | |
660 | ipp_attribute_t *attr; /* Current attribute */ | |
771bd8cb MS |
661 | char number[256]; /* Page number */ |
662 | int copies; /* Number of copies */ | |
ef416fc2 | 663 | |
664 | ||
01ce6322 MS |
665 | /* |
666 | * Format the line going into the page log... | |
667 | */ | |
668 | ||
669 | if (!PageLogFormat) | |
670 | return (1); | |
671 | ||
5a9febac | 672 | strlcpy(number, "1", sizeof(number)); |
771bd8cb MS |
673 | copies = 1; |
674 | sscanf(page, "%255s%d", number, &copies); | |
01ce6322 MS |
675 | |
676 | for (format = PageLogFormat, bufptr = buffer; *format; format ++) | |
677 | { | |
678 | if (*format == '%') | |
679 | { | |
680 | format ++; | |
681 | ||
682 | switch (*format) | |
683 | { | |
684 | case '%' : /* Literal % */ | |
685 | if (bufptr < (buffer + sizeof(buffer) - 1)) | |
686 | *bufptr++ = '%'; | |
687 | break; | |
688 | ||
689 | case 'p' : /* Printer name */ | |
690 | strlcpy(bufptr, job->printer->name, | |
691 | sizeof(buffer) - (bufptr - buffer)); | |
692 | bufptr += strlen(bufptr); | |
693 | break; | |
694 | ||
695 | case 'j' : /* Job ID */ | |
696 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), "%d", job->id); | |
697 | bufptr += strlen(bufptr); | |
698 | break; | |
699 | ||
700 | case 'u' : /* Username */ | |
701 | strlcpy(bufptr, job->username ? job->username : "-", | |
702 | sizeof(buffer) - (bufptr - buffer)); | |
703 | bufptr += strlen(bufptr); | |
704 | break; | |
705 | ||
706 | case 'T' : /* Date and time */ | |
dfd5680b | 707 | strlcpy(bufptr, cupsdGetDateTime(NULL, LogTimeFormat), |
01ce6322 MS |
708 | sizeof(buffer) - (bufptr - buffer)); |
709 | bufptr += strlen(bufptr); | |
710 | break; | |
711 | ||
712 | case 'P' : /* Page number */ | |
771bd8cb | 713 | strlcpy(bufptr, number, sizeof(buffer) - (bufptr - buffer)); |
01ce6322 MS |
714 | bufptr += strlen(bufptr); |
715 | break; | |
716 | ||
717 | case 'C' : /* Number of copies */ | |
771bd8cb | 718 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), "%d", copies); |
01ce6322 MS |
719 | bufptr += strlen(bufptr); |
720 | break; | |
721 | ||
722 | case '{' : /* {attribute} */ | |
723 | if ((nameend = strchr(format, '}')) != NULL && | |
724 | (nameend - format - 2) < (sizeof(name) - 1)) | |
725 | { | |
726 | /* | |
727 | * Pull the name from inside the brackets... | |
728 | */ | |
729 | ||
75bd9771 MS |
730 | memcpy(name, format + 1, nameend - format - 1); |
731 | name[nameend - format - 1] = '\0'; | |
732 | ||
733 | format = nameend; | |
01ce6322 MS |
734 | |
735 | if ((attr = ippFindAttribute(job->attrs, name, | |
736 | IPP_TAG_ZERO)) != NULL) | |
737 | { | |
738 | /* | |
739 | * Add the attribute value... | |
740 | */ | |
741 | ||
01ce6322 MS |
742 | for (i = 0; |
743 | i < attr->num_values && | |
744 | bufptr < (buffer + sizeof(buffer) - 1); | |
745 | i ++) | |
746 | { | |
747 | if (i) | |
748 | *bufptr++ = ','; | |
749 | ||
750 | switch (attr->value_tag) | |
751 | { | |
752 | case IPP_TAG_INTEGER : | |
753 | case IPP_TAG_ENUM : | |
754 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), | |
755 | "%d", attr->values[i].integer); | |
756 | bufptr += strlen(bufptr); | |
757 | break; | |
758 | ||
759 | case IPP_TAG_BOOLEAN : | |
760 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), | |
761 | "%d", attr->values[i].boolean); | |
762 | bufptr += strlen(bufptr); | |
763 | break; | |
764 | ||
765 | case IPP_TAG_TEXTLANG : | |
766 | case IPP_TAG_NAMELANG : | |
767 | case IPP_TAG_TEXT : | |
768 | case IPP_TAG_NAME : | |
769 | case IPP_TAG_KEYWORD : | |
770 | case IPP_TAG_URI : | |
771 | case IPP_TAG_URISCHEME : | |
772 | case IPP_TAG_CHARSET : | |
773 | case IPP_TAG_LANGUAGE : | |
774 | case IPP_TAG_MIMETYPE : | |
775 | strlcpy(bufptr, attr->values[i].string.text, | |
776 | sizeof(buffer) - (bufptr - buffer)); | |
777 | bufptr += strlen(bufptr); | |
778 | break; | |
779 | ||
780 | default : | |
781 | strlcpy(bufptr, "???", | |
782 | sizeof(buffer) - (bufptr - buffer)); | |
783 | bufptr += strlen(bufptr); | |
784 | break; | |
785 | } | |
786 | } | |
787 | } | |
788 | else if (bufptr < (buffer + sizeof(buffer) - 1)) | |
789 | *bufptr++ = '-'; | |
790 | break; | |
791 | } | |
792 | ||
793 | default : | |
794 | if (bufptr < (buffer + sizeof(buffer) - 2)) | |
795 | { | |
796 | *bufptr++ = '%'; | |
797 | *bufptr++ = *format; | |
798 | } | |
799 | break; | |
800 | } | |
801 | } | |
802 | else if (bufptr < (buffer + sizeof(buffer) - 1)) | |
803 | *bufptr++ = *format; | |
804 | } | |
ef416fc2 | 805 | |
01ce6322 | 806 | *bufptr = '\0'; |
771bd8cb | 807 | |
ef416fc2 | 808 | #ifdef HAVE_VSYSLOG |
809 | /* | |
810 | * See if we are logging pages via syslog... | |
811 | */ | |
812 | ||
813 | if (!strcmp(PageLog, "syslog")) | |
814 | { | |
01ce6322 | 815 | syslog(LOG_INFO, "%s", buffer); |
ef416fc2 | 816 | |
817 | return (1); | |
818 | } | |
819 | #endif /* HAVE_VSYSLOG */ | |
820 | ||
821 | /* | |
822 | * Not using syslog; check the log file... | |
823 | */ | |
824 | ||
22c9029b | 825 | if (!cupsdCheckLogFile(&PageFile, PageLog)) |
ef416fc2 | 826 | return (0); |
827 | ||
828 | /* | |
829 | * Print a page log entry of the form: | |
830 | * | |
ac884b6a | 831 | * printer user job-id [DD/MON/YYYY:HH:MM:SS +TTTT] page num-copies \ |
ef416fc2 | 832 | * billing hostname |
833 | */ | |
834 | ||
01ce6322 | 835 | cupsFilePrintf(PageFile, "%s\n", buffer); |
ef416fc2 | 836 | cupsFileFlush(PageFile); |
837 | ||
838 | return (1); | |
839 | } | |
840 | ||
841 | ||
842 | /* | |
843 | * 'cupsdLogRequest()' - Log an HTTP request in Common Log Format. | |
844 | */ | |
845 | ||
846 | int /* O - 1 on success, 0 on error */ | |
847 | cupsdLogRequest(cupsd_client_t *con, /* I - Request to log */ | |
848 | http_status_t code) /* I - Response code */ | |
849 | { | |
839a51c8 | 850 | char temp[2048]; /* Temporary string for URI */ |
ef416fc2 | 851 | static const char * const states[] = /* HTTP client states... */ |
852 | { | |
853 | "WAITING", | |
854 | "OPTIONS", | |
855 | "GET", | |
856 | "GET", | |
857 | "HEAD", | |
858 | "POST", | |
859 | "POST", | |
860 | "POST", | |
861 | "PUT", | |
862 | "PUT", | |
863 | "DELETE", | |
864 | "TRACE", | |
865 | "CLOSE", | |
866 | "STATUS" | |
867 | }; | |
868 | ||
869 | ||
1f0275e3 MS |
870 | /* |
871 | * Filter requests as needed... | |
872 | */ | |
873 | ||
874 | if (AccessLogLevel < CUPSD_ACCESSLOG_ALL) | |
875 | { | |
876 | /* | |
ba55dc12 | 877 | * Eliminate simple GET, POST, and PUT requests... |
1f0275e3 MS |
878 | */ |
879 | ||
880 | if ((con->operation == HTTP_GET && | |
881 | strncmp(con->uri, "/admin/conf", 11) && | |
882 | strncmp(con->uri, "/admin/log", 10)) || | |
883 | (con->operation == HTTP_POST && !con->request && | |
884 | strncmp(con->uri, "/admin", 6)) || | |
ba55dc12 MS |
885 | (con->operation != HTTP_GET && con->operation != HTTP_POST && |
886 | con->operation != HTTP_PUT)) | |
1f0275e3 MS |
887 | return (1); |
888 | ||
889 | if (con->request && con->response && | |
e07d4801 MS |
890 | (con->response->request.status.status_code < IPP_REDIRECTION_OTHER_SITE || |
891 | con->response->request.status.status_code == IPP_NOT_FOUND)) | |
1f0275e3 MS |
892 | { |
893 | /* | |
894 | * Check successful requests... | |
895 | */ | |
896 | ||
897 | ipp_op_t op = con->request->request.op.operation_id; | |
898 | static cupsd_accesslog_t standard_ops[] = | |
899 | { | |
900 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
901 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
902 | CUPSD_ACCESSLOG_ACTIONS,/* Print-Job */ | |
903 | CUPSD_ACCESSLOG_ACTIONS,/* Print-URI */ | |
904 | CUPSD_ACCESSLOG_ACTIONS,/* Validate-Job */ | |
905 | CUPSD_ACCESSLOG_ACTIONS,/* Create-Job */ | |
906 | CUPSD_ACCESSLOG_ACTIONS,/* Send-Document */ | |
907 | CUPSD_ACCESSLOG_ACTIONS,/* Send-URI */ | |
908 | CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Job */ | |
909 | CUPSD_ACCESSLOG_ALL, /* Get-Job-Attributes */ | |
910 | CUPSD_ACCESSLOG_ALL, /* Get-Jobs */ | |
911 | CUPSD_ACCESSLOG_ALL, /* Get-Printer-Attributes */ | |
912 | CUPSD_ACCESSLOG_ACTIONS,/* Hold-Job */ | |
913 | CUPSD_ACCESSLOG_ACTIONS,/* Release-Job */ | |
914 | CUPSD_ACCESSLOG_ACTIONS,/* Restart-Job */ | |
915 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
916 | CUPSD_ACCESSLOG_CONFIG, /* Pause-Printer */ | |
917 | CUPSD_ACCESSLOG_CONFIG, /* Resume-Printer */ | |
918 | CUPSD_ACCESSLOG_CONFIG, /* Purge-Jobs */ | |
919 | CUPSD_ACCESSLOG_CONFIG, /* Set-Printer-Attributes */ | |
920 | CUPSD_ACCESSLOG_ACTIONS,/* Set-Job-Attributes */ | |
921 | CUPSD_ACCESSLOG_CONFIG, /* Get-Printer-Supported-Values */ | |
922 | CUPSD_ACCESSLOG_ACTIONS,/* Create-Printer-Subscription */ | |
923 | CUPSD_ACCESSLOG_ACTIONS,/* Create-Job-Subscription */ | |
924 | CUPSD_ACCESSLOG_ALL, /* Get-Subscription-Attributes */ | |
925 | CUPSD_ACCESSLOG_ALL, /* Get-Subscriptions */ | |
926 | CUPSD_ACCESSLOG_ACTIONS,/* Renew-Subscription */ | |
927 | CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Subscription */ | |
928 | CUPSD_ACCESSLOG_ALL, /* Get-Notifications */ | |
929 | CUPSD_ACCESSLOG_ACTIONS,/* Send-Notifications */ | |
930 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
931 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
932 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
933 | CUPSD_ACCESSLOG_ALL, /* Get-Print-Support-Files */ | |
934 | CUPSD_ACCESSLOG_CONFIG, /* Enable-Printer */ | |
935 | CUPSD_ACCESSLOG_CONFIG, /* Disable-Printer */ | |
936 | CUPSD_ACCESSLOG_CONFIG, /* Pause-Printer-After-Current-Job */ | |
937 | CUPSD_ACCESSLOG_ACTIONS,/* Hold-New-Jobs */ | |
938 | CUPSD_ACCESSLOG_ACTIONS,/* Release-Held-New-Jobs */ | |
939 | CUPSD_ACCESSLOG_CONFIG, /* Deactivate-Printer */ | |
940 | CUPSD_ACCESSLOG_CONFIG, /* Activate-Printer */ | |
941 | CUPSD_ACCESSLOG_CONFIG, /* Restart-Printer */ | |
942 | CUPSD_ACCESSLOG_CONFIG, /* Shutdown-Printer */ | |
943 | CUPSD_ACCESSLOG_CONFIG, /* Startup-Printer */ | |
944 | CUPSD_ACCESSLOG_ACTIONS,/* Reprocess-Job */ | |
945 | CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Current-Job */ | |
946 | CUPSD_ACCESSLOG_ACTIONS,/* Suspend-Current-Job */ | |
947 | CUPSD_ACCESSLOG_ACTIONS,/* Resume-Job */ | |
948 | CUPSD_ACCESSLOG_ACTIONS,/* Promote-Job */ | |
949 | CUPSD_ACCESSLOG_ACTIONS /* Schedule-Job-After */ | |
950 | }; | |
951 | static cupsd_accesslog_t cups_ops[] = | |
952 | { | |
953 | CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Default */ | |
954 | CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Printers */ | |
955 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Add-Modify-Printer */ | |
956 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Delete-Printer */ | |
957 | CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Classes */ | |
958 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Add-Modify-Class */ | |
959 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Delete-Class */ | |
960 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Accept-Jobs */ | |
961 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Reject-Jobs */ | |
962 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Set-Default */ | |
963 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Get-Devices */ | |
964 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Get-PPDs */ | |
965 | CUPSD_ACCESSLOG_ACTIONS,/* CUPS-Move-Job */ | |
966 | CUPSD_ACCESSLOG_ACTIONS,/* CUPS-Authenticate-Job */ | |
967 | CUPSD_ACCESSLOG_ALL /* CUPS-Get-PPD */ | |
968 | }; | |
771bd8cb | 969 | |
1f0275e3 MS |
970 | |
971 | if ((op <= IPP_SCHEDULE_JOB_AFTER && standard_ops[op] > AccessLogLevel) || | |
972 | (op >= CUPS_GET_DEFAULT && op <= CUPS_GET_PPD && | |
973 | cups_ops[op - CUPS_GET_DEFAULT] > AccessLogLevel)) | |
974 | return (1); | |
975 | } | |
976 | } | |
977 | ||
ef416fc2 | 978 | #ifdef HAVE_VSYSLOG |
979 | /* | |
980 | * See if we are logging accesses via syslog... | |
981 | */ | |
982 | ||
983 | if (!strcmp(AccessLog, "syslog")) | |
984 | { | |
2abf387c | 985 | syslog(LOG_INFO, |
986 | "REQUEST %s - %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s\n", | |
996acce8 | 987 | con->http->hostname, con->username[0] != '\0' ? con->username : "-", |
839a51c8 | 988 | states[con->operation], _httpEncodeURI(temp, con->uri, sizeof(temp)), |
996acce8 | 989 | con->http->version / 100, con->http->version % 100, |
2abf387c | 990 | code, CUPS_LLCAST con->bytes, |
991 | con->request ? | |
992 | ippOpString(con->request->request.op.operation_id) : "-", | |
993 | con->response ? | |
994 | ippErrorString(con->response->request.status.status_code) : "-"); | |
ef416fc2 | 995 | |
996 | return (1); | |
997 | } | |
998 | #endif /* HAVE_VSYSLOG */ | |
999 | ||
1000 | /* | |
1001 | * Not using syslog; check the log file... | |
1002 | */ | |
1003 | ||
22c9029b | 1004 | if (!cupsdCheckLogFile(&AccessFile, AccessLog)) |
ef416fc2 | 1005 | return (0); |
1006 | ||
1007 | /* | |
1008 | * Write a log of the request in "common log format"... | |
1009 | */ | |
1010 | ||
1011 | cupsFilePrintf(AccessFile, | |
1012 | "%s - %s %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s\n", | |
996acce8 | 1013 | con->http->hostname, |
c8fef167 | 1014 | con->username[0] != '\0' ? con->username : "-", |
dfd5680b MS |
1015 | cupsdGetDateTime(&(con->start), LogTimeFormat), |
1016 | states[con->operation], | |
839a51c8 | 1017 | _httpEncodeURI(temp, con->uri, sizeof(temp)), |
996acce8 | 1018 | con->http->version / 100, con->http->version % 100, |
ef416fc2 | 1019 | code, CUPS_LLCAST con->bytes, |
1020 | con->request ? | |
1021 | ippOpString(con->request->request.op.operation_id) : "-", | |
1022 | con->response ? | |
1023 | ippErrorString(con->response->request.status.status_code) : | |
1024 | "-"); | |
1025 | ||
1026 | cupsFileFlush(AccessFile); | |
1027 | ||
1028 | return (1); | |
1029 | } | |
1030 | ||
1031 | ||
75bd9771 MS |
1032 | /* |
1033 | * 'cupsdWriteErrorLog()' - Write a line to the ErrorLog. | |
1034 | */ | |
1035 | ||
1036 | int /* O - 1 on success, 0 on failure */ | |
1037 | cupsdWriteErrorLog(int level, /* I - Log level */ | |
1038 | const char *message) /* I - Message string */ | |
1039 | { | |
28a463e0 | 1040 | int ret = 1; /* Return value */ |
75bd9771 MS |
1041 | static const char levels[] = /* Log levels... */ |
1042 | { | |
1043 | ' ', | |
1044 | 'X', | |
1045 | 'A', | |
1046 | 'C', | |
1047 | 'E', | |
1048 | 'W', | |
1049 | 'N', | |
1050 | 'I', | |
1051 | 'D', | |
1052 | 'd' | |
1053 | }; | |
75bd9771 MS |
1054 | |
1055 | ||
1056 | #ifdef HAVE_VSYSLOG | |
1057 | /* | |
1058 | * See if we are logging errors via syslog... | |
1059 | */ | |
1060 | ||
1061 | if (!strcmp(ErrorLog, "syslog")) | |
1062 | { | |
1063 | syslog(syslevels[level], "%s", message); | |
1064 | return (1); | |
1065 | } | |
1066 | #endif /* HAVE_VSYSLOG */ | |
1067 | ||
1068 | /* | |
1069 | * Not using syslog; check the log file... | |
1070 | */ | |
1071 | ||
28a463e0 MS |
1072 | _cupsMutexLock(&log_mutex); |
1073 | ||
22c9029b | 1074 | if (!cupsdCheckLogFile(&ErrorFile, ErrorLog)) |
28a463e0 MS |
1075 | { |
1076 | ret = 0; | |
1077 | } | |
1078 | else | |
1079 | { | |
1080 | /* | |
1081 | * Write the log message... | |
1082 | */ | |
75bd9771 | 1083 | |
28a463e0 MS |
1084 | cupsFilePrintf(ErrorFile, "%c %s %s\n", levels[level], |
1085 | cupsdGetDateTime(NULL, LogTimeFormat), message); | |
1086 | cupsFileFlush(ErrorFile); | |
1087 | } | |
75bd9771 | 1088 | |
28a463e0 | 1089 | _cupsMutexUnlock(&log_mutex); |
75bd9771 | 1090 | |
28a463e0 | 1091 | return (ret); |
75bd9771 MS |
1092 | } |
1093 | ||
1094 | ||
ef416fc2 | 1095 | /* |
75bd9771 MS |
1096 | * 'format_log_line()' - Format a line for a log file. |
1097 | * | |
1098 | * This function resizes a global string buffer as needed. Each call returns | |
1099 | * a pointer to this buffer, so the contents are only good until the next call | |
1100 | * to format_log_line()... | |
1101 | */ | |
1102 | ||
005dd1eb | 1103 | static int /* O - -1 for fatal, 0 for retry, 1 for success */ |
75bd9771 MS |
1104 | format_log_line(const char *message, /* I - Printf-style format string */ |
1105 | va_list ap) /* I - Argument list */ | |
1106 | { | |
005dd1eb | 1107 | int len; /* Length of formatted line */ |
75bd9771 MS |
1108 | |
1109 | ||
1110 | /* | |
1111 | * Allocate the line buffer as needed... | |
1112 | */ | |
1113 | ||
1114 | if (!log_linesize) | |
1115 | { | |
1116 | log_linesize = 8192; | |
1117 | log_line = malloc(log_linesize); | |
1118 | ||
1119 | if (!log_line) | |
005dd1eb | 1120 | return (-1); |
75bd9771 MS |
1121 | } |
1122 | ||
1123 | /* | |
1124 | * Format the log message... | |
1125 | */ | |
1126 | ||
1127 | len = vsnprintf(log_line, log_linesize, message, ap); | |
1128 | ||
1129 | /* | |
1130 | * Resize the buffer as needed... | |
1131 | */ | |
1132 | ||
ed6e7faf | 1133 | if (len >= log_linesize && log_linesize < 65536) |
75bd9771 MS |
1134 | { |
1135 | char *temp; /* Temporary string pointer */ | |
1136 | ||
1137 | ||
1138 | len ++; | |
1139 | ||
1140 | if (len < 8192) | |
1141 | len = 8192; | |
1142 | else if (len > 65536) | |
1143 | len = 65536; | |
1144 | ||
1145 | temp = realloc(log_line, len); | |
1146 | ||
1147 | if (temp) | |
1148 | { | |
1149 | log_line = temp; | |
1150 | log_linesize = len; | |
75bd9771 | 1151 | |
005dd1eb MS |
1152 | return (0); |
1153 | } | |
75bd9771 MS |
1154 | } |
1155 | ||
005dd1eb | 1156 | return (1); |
75bd9771 MS |
1157 | } |
1158 | ||
1159 | ||
1160 | /* | |
f2d18633 | 1161 | * End of "$Id$". |
ef416fc2 | 1162 | */ |