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1 | /* | |
2 | * "$Id: log.c 11367 2013-10-28 15:35:57Z msweet $" | |
3 | * | |
4 | * Log file routines for the CUPS scheduler. | |
5 | * | |
6 | * Copyright 2007-2012 by Apple Inc. | |
7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. | |
8 | * | |
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/". | |
14 | * | |
15 | * Contents: | |
16 | * | |
17 | * cupsdCheckLogFile() - Open/rotate a log file if it needs it. | |
18 | * cupsdGetDateTime() - Returns a pointer to a date/time string. | |
19 | * cupsdLogGSSMessage() - Log a GSSAPI error... | |
20 | * cupsdLogJob() - Log a job message. | |
21 | * cupsdLogMessage() - Log a message to the error log file. | |
22 | * cupsdLogPage() - Log a page to the page log file. | |
23 | * cupsdLogRequest() - Log an HTTP request in Common Log Format. | |
24 | * cupsdWriteErrorLog() - Write a line to the ErrorLog. | |
25 | * format_log_line() - Format a line for a log file. | |
26 | */ | |
27 | ||
28 | /* | |
29 | * Include necessary headers... | |
30 | */ | |
31 | ||
32 | #include "cupsd.h" | |
33 | #include <stdarg.h> | |
34 | #include <syslog.h> | |
35 | ||
36 | ||
37 | /* | |
38 | * Local globals... | |
39 | */ | |
40 | ||
41 | static int log_linesize = 0; /* Size of line for output file */ | |
42 | static char *log_line = NULL; /* Line for output file */ | |
43 | ||
44 | #ifdef HAVE_VSYSLOG | |
45 | static const int syslevels[] = /* SYSLOG levels... */ | |
46 | { | |
47 | 0, | |
48 | LOG_EMERG, | |
49 | LOG_ALERT, | |
50 | LOG_CRIT, | |
51 | LOG_ERR, | |
52 | LOG_WARNING, | |
53 | LOG_NOTICE, | |
54 | LOG_INFO, | |
55 | LOG_DEBUG, | |
56 | LOG_DEBUG | |
57 | }; | |
58 | #endif /* HAVE_VSYSLOG */ | |
59 | ||
60 | ||
61 | /* | |
62 | * Local functions... | |
63 | */ | |
64 | ||
65 | static int format_log_line(const char *message, va_list ap); | |
66 | ||
67 | ||
68 | /* | |
69 | * 'cupsdCheckLogFile()' - Open/rotate a log file if it needs it. | |
70 | */ | |
71 | ||
72 | int /* O - 1 if log file open */ | |
73 | cupsdCheckLogFile(cups_file_t **lf, /* IO - Log file */ | |
74 | const char *logname) /* I - Log filename */ | |
75 | { | |
76 | char backname[1024], /* Backup log filename */ | |
77 | filename[1024], /* Formatted log filename */ | |
78 | *ptr; /* Pointer into filename */ | |
79 | const char *logptr; /* Pointer into log filename */ | |
80 | ||
81 | ||
82 | /* | |
83 | * See if we have a log file to check... | |
84 | */ | |
85 | ||
86 | if (!lf || !logname || !logname[0]) | |
87 | return (1); | |
88 | ||
89 | /* | |
90 | * Format the filename as needed... | |
91 | */ | |
92 | ||
93 | if (!*lf || | |
94 | (strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize && | |
95 | MaxLogSize > 0)) | |
96 | { | |
97 | /* | |
98 | * Handle format strings... | |
99 | */ | |
100 | ||
101 | filename[sizeof(filename) - 1] = '\0'; | |
102 | ||
103 | if (logname[0] != '/') | |
104 | { | |
105 | strlcpy(filename, ServerRoot, sizeof(filename)); | |
106 | strlcat(filename, "/", sizeof(filename)); | |
107 | } | |
108 | else | |
109 | filename[0] = '\0'; | |
110 | ||
111 | for (logptr = logname, ptr = filename + strlen(filename); | |
112 | *logptr && ptr < (filename + sizeof(filename) - 1); | |
113 | logptr ++) | |
114 | if (*logptr == '%') | |
115 | { | |
116 | /* | |
117 | * Format spec... | |
118 | */ | |
119 | ||
120 | logptr ++; | |
121 | if (*logptr == 's') | |
122 | { | |
123 | /* | |
124 | * Insert the server name... | |
125 | */ | |
126 | ||
127 | strlcpy(ptr, ServerName, sizeof(filename) - (ptr - filename)); | |
128 | ptr += strlen(ptr); | |
129 | } | |
130 | else | |
131 | { | |
132 | /* | |
133 | * Otherwise just insert the character... | |
134 | */ | |
135 | ||
136 | *ptr++ = *logptr; | |
137 | } | |
138 | } | |
139 | else | |
140 | *ptr++ = *logptr; | |
141 | ||
142 | *ptr = '\0'; | |
143 | } | |
144 | ||
145 | /* | |
146 | * See if the log file is open... | |
147 | */ | |
148 | ||
149 | if (!*lf) | |
150 | { | |
151 | /* | |
152 | * Nope, open the log file... | |
153 | */ | |
154 | ||
155 | if ((*lf = cupsFileOpen(filename, "a")) == NULL) | |
156 | { | |
157 | /* | |
158 | * If the file is in CUPS_LOGDIR then try to create a missing directory... | |
159 | */ | |
160 | ||
161 | if (!strncmp(filename, CUPS_LOGDIR, strlen(CUPS_LOGDIR))) | |
162 | { | |
163 | /* | |
164 | * Try updating the permissions of the containing log directory, using | |
165 | * the log file permissions as a basis... | |
166 | */ | |
167 | ||
168 | int log_dir_perm = 0300 | LogFilePerm; | |
169 | /* LogFilePerm + owner write/search */ | |
170 | if (log_dir_perm & 0040) | |
171 | log_dir_perm |= 0010; /* Add group search */ | |
172 | if (log_dir_perm & 0004) | |
173 | log_dir_perm |= 0001; /* Add other search */ | |
174 | ||
175 | cupsdCheckPermissions(CUPS_LOGDIR, NULL, log_dir_perm, RunUser, Group, | |
176 | 1, -1); | |
177 | ||
178 | *lf = cupsFileOpen(filename, "a"); | |
179 | } | |
180 | ||
181 | if (*lf == NULL) | |
182 | { | |
183 | syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, | |
184 | strerror(errno)); | |
185 | ||
186 | if (FatalErrors & CUPSD_FATAL_LOG) | |
187 | cupsdEndProcess(getpid(), 0); | |
188 | ||
189 | return (0); | |
190 | } | |
191 | } | |
192 | ||
193 | if (strncmp(filename, "/dev/", 5)) | |
194 | { | |
195 | /* | |
196 | * Change ownership and permissions of non-device logs... | |
197 | */ | |
198 | ||
199 | fchown(cupsFileNumber(*lf), RunUser, Group); | |
200 | fchmod(cupsFileNumber(*lf), LogFilePerm); | |
201 | } | |
202 | } | |
203 | ||
204 | /* | |
205 | * Do we need to rotate the log? | |
206 | */ | |
207 | ||
208 | if (strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize && | |
209 | MaxLogSize > 0) | |
210 | { | |
211 | /* | |
212 | * Rotate log file... | |
213 | */ | |
214 | ||
215 | cupsFileClose(*lf); | |
216 | ||
217 | strlcpy(backname, filename, sizeof(backname)); | |
218 | strlcat(backname, ".O", sizeof(backname)); | |
219 | ||
220 | unlink(backname); | |
221 | rename(filename, backname); | |
222 | ||
223 | if ((*lf = cupsFileOpen(filename, "a")) == NULL) | |
224 | { | |
225 | syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, | |
226 | strerror(errno)); | |
227 | ||
228 | if (FatalErrors & CUPSD_FATAL_LOG) | |
229 | cupsdEndProcess(getpid(), 0); | |
230 | ||
231 | return (0); | |
232 | } | |
233 | ||
234 | /* | |
235 | * Change ownership and permissions of non-device logs... | |
236 | */ | |
237 | ||
238 | fchown(cupsFileNumber(*lf), RunUser, Group); | |
239 | fchmod(cupsFileNumber(*lf), LogFilePerm); | |
240 | } | |
241 | ||
242 | return (1); | |
243 | } | |
244 | ||
245 | ||
246 | /* | |
247 | * 'cupsdGetDateTime()' - Returns a pointer to a date/time string. | |
248 | */ | |
249 | ||
250 | char * /* O - Date/time string */ | |
251 | cupsdGetDateTime(struct timeval *t, /* I - Time value or NULL for current */ | |
252 | cupsd_time_t format) /* I - Format to use */ | |
253 | { | |
254 | struct timeval curtime; /* Current time value */ | |
255 | struct tm *date; /* Date/time value */ | |
256 | static struct timeval last_time = { 0, 0 }; | |
257 | /* Last time we formatted */ | |
258 | static char s[1024]; /* Date/time string */ | |
259 | static const char * const months[12] =/* Months */ | |
260 | { | |
261 | "Jan", | |
262 | "Feb", | |
263 | "Mar", | |
264 | "Apr", | |
265 | "May", | |
266 | "Jun", | |
267 | "Jul", | |
268 | "Aug", | |
269 | "Sep", | |
270 | "Oct", | |
271 | "Nov", | |
272 | "Dec" | |
273 | }; | |
274 | ||
275 | ||
276 | /* | |
277 | * Make sure we have a valid time... | |
278 | */ | |
279 | ||
280 | if (!t) | |
281 | { | |
282 | gettimeofday(&curtime, NULL); | |
283 | t = &curtime; | |
284 | } | |
285 | ||
286 | if (t->tv_sec != last_time.tv_sec || | |
287 | (LogTimeFormat == CUPSD_TIME_USECS && t->tv_usec != last_time.tv_usec)) | |
288 | { | |
289 | last_time = *t; | |
290 | ||
291 | /* | |
292 | * Get the date and time from the UNIX time value, and then format it | |
293 | * into a string. Note that we *can't* use the strftime() function since | |
294 | * it is localized and will seriously confuse automatic programs if the | |
295 | * month names are in the wrong language! | |
296 | * | |
297 | * Also, we use the "timezone" variable that contains the current timezone | |
298 | * offset from GMT in seconds so that we are reporting local time in the | |
299 | * log files. If you want GMT, set the TZ environment variable accordingly | |
300 | * before starting the scheduler. | |
301 | * | |
302 | * (*BSD and Darwin store the timezone offset in the tm structure) | |
303 | */ | |
304 | ||
305 | date = localtime(&(t->tv_sec)); | |
306 | ||
307 | if (format == CUPSD_TIME_STANDARD) | |
308 | snprintf(s, sizeof(s), "[%02d/%s/%04d:%02d:%02d:%02d %+03ld%02ld]", | |
309 | date->tm_mday, months[date->tm_mon], 1900 + date->tm_year, | |
310 | date->tm_hour, date->tm_min, date->tm_sec, | |
311 | #ifdef HAVE_TM_GMTOFF | |
312 | date->tm_gmtoff / 3600, (date->tm_gmtoff / 60) % 60); | |
313 | #else | |
314 | timezone / 3600, (timezone / 60) % 60); | |
315 | #endif /* HAVE_TM_GMTOFF */ | |
316 | else | |
317 | snprintf(s, sizeof(s), "[%02d/%s/%04d:%02d:%02d:%02d.%06d %+03ld%02ld]", | |
318 | date->tm_mday, months[date->tm_mon], 1900 + date->tm_year, | |
319 | date->tm_hour, date->tm_min, date->tm_sec, (int)t->tv_usec, | |
320 | #ifdef HAVE_TM_GMTOFF | |
321 | date->tm_gmtoff / 3600, (date->tm_gmtoff / 60) % 60); | |
322 | #else | |
323 | timezone / 3600, (timezone / 60) % 60); | |
324 | #endif /* HAVE_TM_GMTOFF */ | |
325 | } | |
326 | ||
327 | return (s); | |
328 | } | |
329 | ||
330 | ||
331 | /* | |
332 | * 'cupsdLogFCMessage()' - Log a file checking message. | |
333 | */ | |
334 | ||
335 | void | |
336 | cupsdLogFCMessage( | |
337 | void *context, /* I - Printer (if any) */ | |
338 | _cups_fc_result_t result, /* I - Check result */ | |
339 | const char *message) /* I - Message to log */ | |
340 | { | |
341 | cupsd_printer_t *p = (cupsd_printer_t *)context; | |
342 | /* Printer */ | |
343 | cupsd_loglevel_t level; /* Log level */ | |
344 | ||
345 | ||
346 | if (result == _CUPS_FILE_CHECK_OK) | |
347 | level = CUPSD_LOG_DEBUG2; | |
348 | else | |
349 | level = CUPSD_LOG_ERROR; | |
350 | ||
351 | if (p) | |
352 | { | |
353 | cupsdLogMessage(level, "%s: %s", p->name, message); | |
354 | ||
355 | if (result == _CUPS_FILE_CHECK_MISSING || | |
356 | result == _CUPS_FILE_CHECK_WRONG_TYPE) | |
357 | { | |
358 | strlcpy(p->state_message, message, sizeof(p->state_message)); | |
359 | ||
360 | if (cupsdSetPrinterReasons(p, "+cups-missing-filter-warning")) | |
361 | cupsdAddEvent(CUPSD_EVENT_PRINTER_STATE, p, NULL, "%s", message); | |
362 | } | |
363 | else if (result == _CUPS_FILE_CHECK_PERMISSIONS || | |
364 | result == _CUPS_FILE_CHECK_RELATIVE_PATH) | |
365 | { | |
366 | strlcpy(p->state_message, message, sizeof(p->state_message)); | |
367 | ||
368 | if (cupsdSetPrinterReasons(p, "+cups-insecure-filter-warning")) | |
369 | cupsdAddEvent(CUPSD_EVENT_PRINTER_STATE, p, NULL, "%s", message); | |
370 | } | |
371 | } | |
372 | else | |
373 | cupsdLogMessage(level, "%s", message); | |
374 | } | |
375 | ||
376 | ||
377 | #ifdef HAVE_GSSAPI | |
378 | /* | |
379 | * 'cupsdLogGSSMessage()' - Log a GSSAPI error... | |
380 | */ | |
381 | ||
382 | int /* O - 1 on success, 0 on error */ | |
383 | cupsdLogGSSMessage( | |
384 | int level, /* I - Log level */ | |
385 | int major_status, /* I - Major GSSAPI status */ | |
386 | int minor_status, /* I - Minor GSSAPI status */ | |
387 | const char *message, /* I - printf-style message string */ | |
388 | ...) /* I - Additional args as needed */ | |
389 | { | |
390 | OM_uint32 err_major_status, /* Major status code for display */ | |
391 | err_minor_status; /* Minor status code for display */ | |
392 | OM_uint32 msg_ctx; /* Message context */ | |
393 | gss_buffer_desc major_status_string = GSS_C_EMPTY_BUFFER, | |
394 | /* Major status message */ | |
395 | minor_status_string = GSS_C_EMPTY_BUFFER; | |
396 | /* Minor status message */ | |
397 | int ret; /* Return value */ | |
398 | char buffer[8192]; /* Buffer for vsnprintf */ | |
399 | ||
400 | ||
401 | if (strchr(message, '%')) | |
402 | { | |
403 | /* | |
404 | * Format the message string... | |
405 | */ | |
406 | ||
407 | va_list ap; /* Pointer to arguments */ | |
408 | ||
409 | va_start(ap, message); | |
410 | vsnprintf(buffer, sizeof(buffer), message, ap); | |
411 | va_end(ap); | |
412 | ||
413 | message = buffer; | |
414 | } | |
415 | ||
416 | msg_ctx = 0; | |
417 | err_major_status = gss_display_status(&err_minor_status, | |
418 | major_status, | |
419 | GSS_C_GSS_CODE, | |
420 | GSS_C_NO_OID, | |
421 | &msg_ctx, | |
422 | &major_status_string); | |
423 | ||
424 | if (!GSS_ERROR(err_major_status)) | |
425 | gss_display_status(&err_minor_status, minor_status, GSS_C_MECH_CODE, | |
426 | GSS_C_NULL_OID, &msg_ctx, &minor_status_string); | |
427 | ||
428 | ret = cupsdLogMessage(level, "%s: %s, %s", message, | |
429 | (char *)major_status_string.value, | |
430 | (char *)minor_status_string.value); | |
431 | gss_release_buffer(&err_minor_status, &major_status_string); | |
432 | gss_release_buffer(&err_minor_status, &minor_status_string); | |
433 | ||
434 | return (ret); | |
435 | } | |
436 | #endif /* HAVE_GSSAPI */ | |
437 | ||
438 | ||
439 | /* | |
440 | * 'cupsdLogJob()' - Log a job message. | |
441 | */ | |
442 | ||
443 | int /* O - 1 on success, 0 on error */ | |
444 | cupsdLogJob(cupsd_job_t *job, /* I - Job */ | |
445 | int level, /* I - Log level */ | |
446 | const char *message, /* I - Printf-style message string */ | |
447 | ...) /* I - Additional arguments as needed */ | |
448 | { | |
449 | va_list ap, ap2; /* Argument pointers */ | |
450 | char jobmsg[1024]; /* Format string for job message */ | |
451 | int status; /* Formatting status */ | |
452 | ||
453 | ||
454 | /* | |
455 | * See if we want to log this message... | |
456 | */ | |
457 | ||
458 | if (TestConfigFile || !ErrorLog) | |
459 | return (1); | |
460 | ||
461 | if ((level > LogLevel || | |
462 | (level == CUPSD_LOG_INFO && LogLevel < CUPSD_LOG_DEBUG)) && | |
463 | LogDebugHistory <= 0) | |
464 | return (1); | |
465 | ||
466 | /* | |
467 | * Format and write the log message... | |
468 | */ | |
469 | ||
470 | if (job) | |
471 | snprintf(jobmsg, sizeof(jobmsg), "[Job %d] %s", job->id, message); | |
472 | else | |
473 | strlcpy(jobmsg, message, sizeof(jobmsg)); | |
474 | ||
475 | va_start(ap, message); | |
476 | ||
477 | do | |
478 | { | |
479 | va_copy(ap2, ap); | |
480 | status = format_log_line(jobmsg, ap2); | |
481 | va_end(ap2); | |
482 | } | |
483 | while (status == 0); | |
484 | ||
485 | va_end(ap); | |
486 | ||
487 | if (status > 0) | |
488 | { | |
489 | if (job && | |
490 | (level > LogLevel || | |
491 | (level == CUPSD_LOG_INFO && LogLevel < CUPSD_LOG_DEBUG)) && | |
492 | LogDebugHistory > 0) | |
493 | { | |
494 | /* | |
495 | * Add message to the job history... | |
496 | */ | |
497 | ||
498 | cupsd_joblog_t *temp; /* Copy of log message */ | |
499 | size_t log_len = strlen(log_line); | |
500 | /* Length of log message */ | |
501 | ||
502 | if ((temp = malloc(sizeof(cupsd_joblog_t) + log_len)) != NULL) | |
503 | { | |
504 | temp->time = time(NULL); | |
505 | memcpy(temp->message, log_line, log_len + 1); | |
506 | } | |
507 | ||
508 | if (!job->history) | |
509 | job->history = cupsArrayNew(NULL, NULL); | |
510 | ||
511 | if (job->history && temp) | |
512 | { | |
513 | cupsArrayAdd(job->history, temp); | |
514 | ||
515 | if (cupsArrayCount(job->history) > LogDebugHistory) | |
516 | { | |
517 | /* | |
518 | * Remove excess messages... | |
519 | */ | |
520 | ||
521 | temp = cupsArrayFirst(job->history); | |
522 | cupsArrayRemove(job->history, temp); | |
523 | free(temp); | |
524 | } | |
525 | } | |
526 | else if (temp) | |
527 | free(temp); | |
528 | ||
529 | return (1); | |
530 | } | |
531 | else if (level <= LogLevel && | |
532 | (level != CUPSD_LOG_INFO || LogLevel >= CUPSD_LOG_DEBUG)) | |
533 | return (cupsdWriteErrorLog(level, log_line)); | |
534 | else | |
535 | return (1); | |
536 | } | |
537 | else | |
538 | return (cupsdWriteErrorLog(CUPSD_LOG_ERROR, | |
539 | "Unable to allocate memory for log line!")); | |
540 | } | |
541 | ||
542 | ||
543 | /* | |
544 | * 'cupsdLogMessage()' - Log a message to the error log file. | |
545 | */ | |
546 | ||
547 | int /* O - 1 on success, 0 on error */ | |
548 | cupsdLogMessage(int level, /* I - Log level */ | |
549 | const char *message, /* I - printf-style message string */ | |
550 | ...) /* I - Additional args as needed */ | |
551 | { | |
552 | va_list ap, ap2; /* Argument pointers */ | |
553 | int status; /* Formatting status */ | |
554 | ||
555 | ||
556 | /* | |
557 | * See if we want to log this message... | |
558 | */ | |
559 | ||
560 | if ((TestConfigFile || !ErrorLog) && level <= CUPSD_LOG_WARN) | |
561 | { | |
562 | va_start(ap, message); | |
563 | #ifdef HAVE_VSYSLOG | |
564 | vsyslog(LOG_LPR | syslevels[level], message, ap); | |
565 | #else | |
566 | vfprintf(stderr, message, ap); | |
567 | putc('\n', stderr); | |
568 | #endif /* HAVE_VSYSLOG */ | |
569 | va_end(ap); | |
570 | ||
571 | return (1); | |
572 | } | |
573 | ||
574 | if (level > LogLevel || !ErrorLog) | |
575 | return (1); | |
576 | ||
577 | /* | |
578 | * Format and write the log message... | |
579 | */ | |
580 | ||
581 | va_start(ap, message); | |
582 | ||
583 | do | |
584 | { | |
585 | va_copy(ap2, ap); | |
586 | status = format_log_line(message, ap2); | |
587 | va_end(ap2); | |
588 | } | |
589 | while (status == 0); | |
590 | ||
591 | va_end(ap); | |
592 | ||
593 | if (status > 0) | |
594 | return (cupsdWriteErrorLog(level, log_line)); | |
595 | else | |
596 | return (cupsdWriteErrorLog(CUPSD_LOG_ERROR, | |
597 | "Unable to allocate memory for log line!")); | |
598 | } | |
599 | ||
600 | ||
601 | /* | |
602 | * 'cupsdLogPage()' - Log a page to the page log file. | |
603 | */ | |
604 | ||
605 | int /* O - 1 on success, 0 on error */ | |
606 | cupsdLogPage(cupsd_job_t *job, /* I - Job being printed */ | |
607 | const char *page) /* I - Page being printed */ | |
608 | { | |
609 | int i; /* Looping var */ | |
610 | char buffer[2048], /* Buffer for page log */ | |
611 | *bufptr, /* Pointer into buffer */ | |
612 | name[256]; /* Attribute name */ | |
613 | const char *format, /* Pointer into PageLogFormat */ | |
614 | *nameend; /* End of attribute name */ | |
615 | ipp_attribute_t *attr; /* Current attribute */ | |
616 | char number[256]; /* Page number */ | |
617 | int copies; /* Number of copies */ | |
618 | ||
619 | ||
620 | /* | |
621 | * Format the line going into the page log... | |
622 | */ | |
623 | ||
624 | if (!PageLogFormat) | |
625 | return (1); | |
626 | ||
627 | strlcpy(number, "1", sizeof(number)); | |
628 | copies = 1; | |
629 | sscanf(page, "%255s%d", number, &copies); | |
630 | ||
631 | for (format = PageLogFormat, bufptr = buffer; *format; format ++) | |
632 | { | |
633 | if (*format == '%') | |
634 | { | |
635 | format ++; | |
636 | ||
637 | switch (*format) | |
638 | { | |
639 | case '%' : /* Literal % */ | |
640 | if (bufptr < (buffer + sizeof(buffer) - 1)) | |
641 | *bufptr++ = '%'; | |
642 | break; | |
643 | ||
644 | case 'p' : /* Printer name */ | |
645 | strlcpy(bufptr, job->printer->name, | |
646 | sizeof(buffer) - (bufptr - buffer)); | |
647 | bufptr += strlen(bufptr); | |
648 | break; | |
649 | ||
650 | case 'j' : /* Job ID */ | |
651 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), "%d", job->id); | |
652 | bufptr += strlen(bufptr); | |
653 | break; | |
654 | ||
655 | case 'u' : /* Username */ | |
656 | strlcpy(bufptr, job->username ? job->username : "-", | |
657 | sizeof(buffer) - (bufptr - buffer)); | |
658 | bufptr += strlen(bufptr); | |
659 | break; | |
660 | ||
661 | case 'T' : /* Date and time */ | |
662 | strlcpy(bufptr, cupsdGetDateTime(NULL, LogTimeFormat), | |
663 | sizeof(buffer) - (bufptr - buffer)); | |
664 | bufptr += strlen(bufptr); | |
665 | break; | |
666 | ||
667 | case 'P' : /* Page number */ | |
668 | strlcpy(bufptr, number, sizeof(buffer) - (bufptr - buffer)); | |
669 | bufptr += strlen(bufptr); | |
670 | break; | |
671 | ||
672 | case 'C' : /* Number of copies */ | |
673 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), "%d", copies); | |
674 | bufptr += strlen(bufptr); | |
675 | break; | |
676 | ||
677 | case '{' : /* {attribute} */ | |
678 | if ((nameend = strchr(format, '}')) != NULL && | |
679 | (nameend - format - 2) < (sizeof(name) - 1)) | |
680 | { | |
681 | /* | |
682 | * Pull the name from inside the brackets... | |
683 | */ | |
684 | ||
685 | memcpy(name, format + 1, nameend - format - 1); | |
686 | name[nameend - format - 1] = '\0'; | |
687 | ||
688 | format = nameend; | |
689 | ||
690 | if ((attr = ippFindAttribute(job->attrs, name, | |
691 | IPP_TAG_ZERO)) != NULL) | |
692 | { | |
693 | /* | |
694 | * Add the attribute value... | |
695 | */ | |
696 | ||
697 | for (i = 0; | |
698 | i < attr->num_values && | |
699 | bufptr < (buffer + sizeof(buffer) - 1); | |
700 | i ++) | |
701 | { | |
702 | if (i) | |
703 | *bufptr++ = ','; | |
704 | ||
705 | switch (attr->value_tag) | |
706 | { | |
707 | case IPP_TAG_INTEGER : | |
708 | case IPP_TAG_ENUM : | |
709 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), | |
710 | "%d", attr->values[i].integer); | |
711 | bufptr += strlen(bufptr); | |
712 | break; | |
713 | ||
714 | case IPP_TAG_BOOLEAN : | |
715 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), | |
716 | "%d", attr->values[i].boolean); | |
717 | bufptr += strlen(bufptr); | |
718 | break; | |
719 | ||
720 | case IPP_TAG_TEXTLANG : | |
721 | case IPP_TAG_NAMELANG : | |
722 | case IPP_TAG_TEXT : | |
723 | case IPP_TAG_NAME : | |
724 | case IPP_TAG_KEYWORD : | |
725 | case IPP_TAG_URI : | |
726 | case IPP_TAG_URISCHEME : | |
727 | case IPP_TAG_CHARSET : | |
728 | case IPP_TAG_LANGUAGE : | |
729 | case IPP_TAG_MIMETYPE : | |
730 | strlcpy(bufptr, attr->values[i].string.text, | |
731 | sizeof(buffer) - (bufptr - buffer)); | |
732 | bufptr += strlen(bufptr); | |
733 | break; | |
734 | ||
735 | default : | |
736 | strlcpy(bufptr, "???", | |
737 | sizeof(buffer) - (bufptr - buffer)); | |
738 | bufptr += strlen(bufptr); | |
739 | break; | |
740 | } | |
741 | } | |
742 | } | |
743 | else if (bufptr < (buffer + sizeof(buffer) - 1)) | |
744 | *bufptr++ = '-'; | |
745 | break; | |
746 | } | |
747 | ||
748 | default : | |
749 | if (bufptr < (buffer + sizeof(buffer) - 2)) | |
750 | { | |
751 | *bufptr++ = '%'; | |
752 | *bufptr++ = *format; | |
753 | } | |
754 | break; | |
755 | } | |
756 | } | |
757 | else if (bufptr < (buffer + sizeof(buffer) - 1)) | |
758 | *bufptr++ = *format; | |
759 | } | |
760 | ||
761 | *bufptr = '\0'; | |
762 | ||
763 | #ifdef HAVE_VSYSLOG | |
764 | /* | |
765 | * See if we are logging pages via syslog... | |
766 | */ | |
767 | ||
768 | if (!strcmp(PageLog, "syslog")) | |
769 | { | |
770 | syslog(LOG_INFO, "%s", buffer); | |
771 | ||
772 | return (1); | |
773 | } | |
774 | #endif /* HAVE_VSYSLOG */ | |
775 | ||
776 | /* | |
777 | * Not using syslog; check the log file... | |
778 | */ | |
779 | ||
780 | if (!cupsdCheckLogFile(&PageFile, PageLog)) | |
781 | return (0); | |
782 | ||
783 | /* | |
784 | * Print a page log entry of the form: | |
785 | * | |
786 | * printer user job-id [DD/MON/YYYY:HH:MM:SS +TTTT] page num-copies \ | |
787 | * billing hostname | |
788 | */ | |
789 | ||
790 | cupsFilePrintf(PageFile, "%s\n", buffer); | |
791 | cupsFileFlush(PageFile); | |
792 | ||
793 | return (1); | |
794 | } | |
795 | ||
796 | ||
797 | /* | |
798 | * 'cupsdLogRequest()' - Log an HTTP request in Common Log Format. | |
799 | */ | |
800 | ||
801 | int /* O - 1 on success, 0 on error */ | |
802 | cupsdLogRequest(cupsd_client_t *con, /* I - Request to log */ | |
803 | http_status_t code) /* I - Response code */ | |
804 | { | |
805 | char temp[2048]; /* Temporary string for URI */ | |
806 | static const char * const states[] = /* HTTP client states... */ | |
807 | { | |
808 | "WAITING", | |
809 | "OPTIONS", | |
810 | "GET", | |
811 | "GET", | |
812 | "HEAD", | |
813 | "POST", | |
814 | "POST", | |
815 | "POST", | |
816 | "PUT", | |
817 | "PUT", | |
818 | "DELETE", | |
819 | "TRACE", | |
820 | "CLOSE", | |
821 | "STATUS" | |
822 | }; | |
823 | ||
824 | ||
825 | /* | |
826 | * Filter requests as needed... | |
827 | */ | |
828 | ||
829 | if (AccessLogLevel < CUPSD_ACCESSLOG_ALL) | |
830 | { | |
831 | /* | |
832 | * Eliminate simple GET, POST, and PUT requests... | |
833 | */ | |
834 | ||
835 | if ((con->operation == HTTP_GET && | |
836 | strncmp(con->uri, "/admin/conf", 11) && | |
837 | strncmp(con->uri, "/admin/log", 10)) || | |
838 | (con->operation == HTTP_POST && !con->request && | |
839 | strncmp(con->uri, "/admin", 6)) || | |
840 | (con->operation != HTTP_GET && con->operation != HTTP_POST && | |
841 | con->operation != HTTP_PUT)) | |
842 | return (1); | |
843 | ||
844 | if (con->request && con->response && | |
845 | (con->response->request.status.status_code < IPP_REDIRECTION_OTHER_SITE || | |
846 | con->response->request.status.status_code == IPP_NOT_FOUND)) | |
847 | { | |
848 | /* | |
849 | * Check successful requests... | |
850 | */ | |
851 | ||
852 | ipp_op_t op = con->request->request.op.operation_id; | |
853 | static cupsd_accesslog_t standard_ops[] = | |
854 | { | |
855 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
856 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
857 | CUPSD_ACCESSLOG_ACTIONS,/* Print-Job */ | |
858 | CUPSD_ACCESSLOG_ACTIONS,/* Print-URI */ | |
859 | CUPSD_ACCESSLOG_ACTIONS,/* Validate-Job */ | |
860 | CUPSD_ACCESSLOG_ACTIONS,/* Create-Job */ | |
861 | CUPSD_ACCESSLOG_ACTIONS,/* Send-Document */ | |
862 | CUPSD_ACCESSLOG_ACTIONS,/* Send-URI */ | |
863 | CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Job */ | |
864 | CUPSD_ACCESSLOG_ALL, /* Get-Job-Attributes */ | |
865 | CUPSD_ACCESSLOG_ALL, /* Get-Jobs */ | |
866 | CUPSD_ACCESSLOG_ALL, /* Get-Printer-Attributes */ | |
867 | CUPSD_ACCESSLOG_ACTIONS,/* Hold-Job */ | |
868 | CUPSD_ACCESSLOG_ACTIONS,/* Release-Job */ | |
869 | CUPSD_ACCESSLOG_ACTIONS,/* Restart-Job */ | |
870 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
871 | CUPSD_ACCESSLOG_CONFIG, /* Pause-Printer */ | |
872 | CUPSD_ACCESSLOG_CONFIG, /* Resume-Printer */ | |
873 | CUPSD_ACCESSLOG_CONFIG, /* Purge-Jobs */ | |
874 | CUPSD_ACCESSLOG_CONFIG, /* Set-Printer-Attributes */ | |
875 | CUPSD_ACCESSLOG_ACTIONS,/* Set-Job-Attributes */ | |
876 | CUPSD_ACCESSLOG_CONFIG, /* Get-Printer-Supported-Values */ | |
877 | CUPSD_ACCESSLOG_ACTIONS,/* Create-Printer-Subscription */ | |
878 | CUPSD_ACCESSLOG_ACTIONS,/* Create-Job-Subscription */ | |
879 | CUPSD_ACCESSLOG_ALL, /* Get-Subscription-Attributes */ | |
880 | CUPSD_ACCESSLOG_ALL, /* Get-Subscriptions */ | |
881 | CUPSD_ACCESSLOG_ACTIONS,/* Renew-Subscription */ | |
882 | CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Subscription */ | |
883 | CUPSD_ACCESSLOG_ALL, /* Get-Notifications */ | |
884 | CUPSD_ACCESSLOG_ACTIONS,/* Send-Notifications */ | |
885 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
886 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
887 | CUPSD_ACCESSLOG_ALL, /* reserved */ | |
888 | CUPSD_ACCESSLOG_ALL, /* Get-Print-Support-Files */ | |
889 | CUPSD_ACCESSLOG_CONFIG, /* Enable-Printer */ | |
890 | CUPSD_ACCESSLOG_CONFIG, /* Disable-Printer */ | |
891 | CUPSD_ACCESSLOG_CONFIG, /* Pause-Printer-After-Current-Job */ | |
892 | CUPSD_ACCESSLOG_ACTIONS,/* Hold-New-Jobs */ | |
893 | CUPSD_ACCESSLOG_ACTIONS,/* Release-Held-New-Jobs */ | |
894 | CUPSD_ACCESSLOG_CONFIG, /* Deactivate-Printer */ | |
895 | CUPSD_ACCESSLOG_CONFIG, /* Activate-Printer */ | |
896 | CUPSD_ACCESSLOG_CONFIG, /* Restart-Printer */ | |
897 | CUPSD_ACCESSLOG_CONFIG, /* Shutdown-Printer */ | |
898 | CUPSD_ACCESSLOG_CONFIG, /* Startup-Printer */ | |
899 | CUPSD_ACCESSLOG_ACTIONS,/* Reprocess-Job */ | |
900 | CUPSD_ACCESSLOG_ACTIONS,/* Cancel-Current-Job */ | |
901 | CUPSD_ACCESSLOG_ACTIONS,/* Suspend-Current-Job */ | |
902 | CUPSD_ACCESSLOG_ACTIONS,/* Resume-Job */ | |
903 | CUPSD_ACCESSLOG_ACTIONS,/* Promote-Job */ | |
904 | CUPSD_ACCESSLOG_ACTIONS /* Schedule-Job-After */ | |
905 | }; | |
906 | static cupsd_accesslog_t cups_ops[] = | |
907 | { | |
908 | CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Default */ | |
909 | CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Printers */ | |
910 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Add-Modify-Printer */ | |
911 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Delete-Printer */ | |
912 | CUPSD_ACCESSLOG_ALL, /* CUPS-Get-Classes */ | |
913 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Add-Modify-Class */ | |
914 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Delete-Class */ | |
915 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Accept-Jobs */ | |
916 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Reject-Jobs */ | |
917 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Set-Default */ | |
918 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Get-Devices */ | |
919 | CUPSD_ACCESSLOG_CONFIG, /* CUPS-Get-PPDs */ | |
920 | CUPSD_ACCESSLOG_ACTIONS,/* CUPS-Move-Job */ | |
921 | CUPSD_ACCESSLOG_ACTIONS,/* CUPS-Authenticate-Job */ | |
922 | CUPSD_ACCESSLOG_ALL /* CUPS-Get-PPD */ | |
923 | }; | |
924 | ||
925 | ||
926 | if ((op <= IPP_SCHEDULE_JOB_AFTER && standard_ops[op] > AccessLogLevel) || | |
927 | (op >= CUPS_GET_DEFAULT && op <= CUPS_GET_PPD && | |
928 | cups_ops[op - CUPS_GET_DEFAULT] > AccessLogLevel)) | |
929 | return (1); | |
930 | } | |
931 | } | |
932 | ||
933 | #ifdef HAVE_VSYSLOG | |
934 | /* | |
935 | * See if we are logging accesses via syslog... | |
936 | */ | |
937 | ||
938 | if (!strcmp(AccessLog, "syslog")) | |
939 | { | |
940 | syslog(LOG_INFO, | |
941 | "REQUEST %s - %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s\n", | |
942 | con->http.hostname, con->username[0] != '\0' ? con->username : "-", | |
943 | states[con->operation], _httpEncodeURI(temp, con->uri, sizeof(temp)), | |
944 | con->http.version / 100, con->http.version % 100, | |
945 | code, CUPS_LLCAST con->bytes, | |
946 | con->request ? | |
947 | ippOpString(con->request->request.op.operation_id) : "-", | |
948 | con->response ? | |
949 | ippErrorString(con->response->request.status.status_code) : "-"); | |
950 | ||
951 | return (1); | |
952 | } | |
953 | #endif /* HAVE_VSYSLOG */ | |
954 | ||
955 | /* | |
956 | * Not using syslog; check the log file... | |
957 | */ | |
958 | ||
959 | if (!cupsdCheckLogFile(&AccessFile, AccessLog)) | |
960 | return (0); | |
961 | ||
962 | /* | |
963 | * Write a log of the request in "common log format"... | |
964 | */ | |
965 | ||
966 | cupsFilePrintf(AccessFile, | |
967 | "%s - %s %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s\n", | |
968 | con->http.hostname, | |
969 | con->username[0] != '\0' ? con->username : "-", | |
970 | cupsdGetDateTime(&(con->start), LogTimeFormat), | |
971 | states[con->operation], | |
972 | _httpEncodeURI(temp, con->uri, sizeof(temp)), | |
973 | con->http.version / 100, con->http.version % 100, | |
974 | code, CUPS_LLCAST con->bytes, | |
975 | con->request ? | |
976 | ippOpString(con->request->request.op.operation_id) : "-", | |
977 | con->response ? | |
978 | ippErrorString(con->response->request.status.status_code) : | |
979 | "-"); | |
980 | ||
981 | cupsFileFlush(AccessFile); | |
982 | ||
983 | return (1); | |
984 | } | |
985 | ||
986 | ||
987 | /* | |
988 | * 'cupsdWriteErrorLog()' - Write a line to the ErrorLog. | |
989 | */ | |
990 | ||
991 | int /* O - 1 on success, 0 on failure */ | |
992 | cupsdWriteErrorLog(int level, /* I - Log level */ | |
993 | const char *message) /* I - Message string */ | |
994 | { | |
995 | static const char levels[] = /* Log levels... */ | |
996 | { | |
997 | ' ', | |
998 | 'X', | |
999 | 'A', | |
1000 | 'C', | |
1001 | 'E', | |
1002 | 'W', | |
1003 | 'N', | |
1004 | 'I', | |
1005 | 'D', | |
1006 | 'd' | |
1007 | }; | |
1008 | ||
1009 | ||
1010 | #ifdef HAVE_VSYSLOG | |
1011 | /* | |
1012 | * See if we are logging errors via syslog... | |
1013 | */ | |
1014 | ||
1015 | if (!strcmp(ErrorLog, "syslog")) | |
1016 | { | |
1017 | syslog(syslevels[level], "%s", message); | |
1018 | return (1); | |
1019 | } | |
1020 | #endif /* HAVE_VSYSLOG */ | |
1021 | ||
1022 | /* | |
1023 | * Not using syslog; check the log file... | |
1024 | */ | |
1025 | ||
1026 | if (!cupsdCheckLogFile(&ErrorFile, ErrorLog)) | |
1027 | return (0); | |
1028 | ||
1029 | /* | |
1030 | * Write the log message... | |
1031 | */ | |
1032 | ||
1033 | cupsFilePrintf(ErrorFile, "%c %s %s\n", levels[level], | |
1034 | cupsdGetDateTime(NULL, LogTimeFormat), message); | |
1035 | cupsFileFlush(ErrorFile); | |
1036 | ||
1037 | return (1); | |
1038 | } | |
1039 | ||
1040 | ||
1041 | /* | |
1042 | * 'format_log_line()' - Format a line for a log file. | |
1043 | * | |
1044 | * This function resizes a global string buffer as needed. Each call returns | |
1045 | * a pointer to this buffer, so the contents are only good until the next call | |
1046 | * to format_log_line()... | |
1047 | */ | |
1048 | ||
1049 | static int /* O - -1 for fatal, 0 for retry, 1 for success */ | |
1050 | format_log_line(const char *message, /* I - Printf-style format string */ | |
1051 | va_list ap) /* I - Argument list */ | |
1052 | { | |
1053 | int len; /* Length of formatted line */ | |
1054 | ||
1055 | ||
1056 | /* | |
1057 | * Allocate the line buffer as needed... | |
1058 | */ | |
1059 | ||
1060 | if (!log_linesize) | |
1061 | { | |
1062 | log_linesize = 8192; | |
1063 | log_line = malloc(log_linesize); | |
1064 | ||
1065 | if (!log_line) | |
1066 | return (-1); | |
1067 | } | |
1068 | ||
1069 | /* | |
1070 | * Format the log message... | |
1071 | */ | |
1072 | ||
1073 | len = vsnprintf(log_line, log_linesize, message, ap); | |
1074 | ||
1075 | /* | |
1076 | * Resize the buffer as needed... | |
1077 | */ | |
1078 | ||
1079 | if (len >= log_linesize && log_linesize < 65536) | |
1080 | { | |
1081 | char *temp; /* Temporary string pointer */ | |
1082 | ||
1083 | ||
1084 | len ++; | |
1085 | ||
1086 | if (len < 8192) | |
1087 | len = 8192; | |
1088 | else if (len > 65536) | |
1089 | len = 65536; | |
1090 | ||
1091 | temp = realloc(log_line, len); | |
1092 | ||
1093 | if (temp) | |
1094 | { | |
1095 | log_line = temp; | |
1096 | log_linesize = len; | |
1097 | ||
1098 | return (0); | |
1099 | } | |
1100 | } | |
1101 | ||
1102 | return (1); | |
1103 | } | |
1104 | ||
1105 | ||
1106 | /* | |
1107 | * End of "$Id: log.c 11367 2013-10-28 15:35:57Z msweet $". | |
1108 | */ |