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ef416fc2 | 1 | /* |
2e4ff8af | 2 | * "$Id: log.c 6875 2007-08-27 23:25:06Z mike $" |
ef416fc2 | 3 | * |
4 | * Log file routines for the Common UNIX Printing System (CUPS). | |
5 | * | |
91c84a35 | 6 | * Copyright 2007-2008 by Apple Inc. |
b94498cf | 7 | * Copyright 1997-2007 by Easy Software Products, all rights reserved. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 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 | * Contents: | |
16 | * | |
f7deaa1a | 17 | * cupsdGetDateTime() - Returns a pointer to a date/time string. |
18 | * cupsdLogGSSMessage() - Log a GSSAPI error... | |
19 | * cupsdLogMessage() - Log a message to the error log file. | |
20 | * cupsdLogPage() - Log a page to the page log file. | |
21 | * cupsdLogRequest() - Log an HTTP request in Common Log Format. | |
22 | * check_log_file() - Open/rotate a log file if it needs it. | |
ef416fc2 | 23 | */ |
24 | ||
25 | /* | |
26 | * Include necessary headers... | |
27 | */ | |
28 | ||
29 | #include "cupsd.h" | |
30 | #include <stdarg.h> | |
b423cd4c | 31 | #include <syslog.h> |
ef416fc2 | 32 | |
33 | ||
34 | /* | |
35 | * Local functions... | |
36 | */ | |
37 | ||
38 | static int check_log_file(cups_file_t **, const char *); | |
39 | ||
40 | ||
41 | /* | |
42 | * 'cupsdGetDateTime()' - Returns a pointer to a date/time string. | |
43 | */ | |
44 | ||
45 | char * /* O - Date/time string */ | |
46 | cupsdGetDateTime(time_t t) /* I - Time value */ | |
47 | { | |
48 | struct tm *date; /* Date/time value */ | |
49 | static time_t last_time = -1; /* Last time value */ | |
50 | static char s[1024]; /* Date/time string */ | |
51 | static const char * const months[12] =/* Months */ | |
52 | { | |
53 | "Jan", | |
54 | "Feb", | |
55 | "Mar", | |
56 | "Apr", | |
57 | "May", | |
58 | "Jun", | |
59 | "Jul", | |
60 | "Aug", | |
61 | "Sep", | |
62 | "Oct", | |
63 | "Nov", | |
64 | "Dec" | |
65 | }; | |
66 | ||
67 | ||
839a51c8 MS |
68 | /* |
69 | * Make sure we have a valid time... | |
70 | */ | |
71 | ||
72 | if (!t) | |
73 | t = time(NULL); | |
74 | ||
ef416fc2 | 75 | if (t != last_time) |
76 | { | |
77 | last_time = t; | |
78 | ||
79 | /* | |
80 | * Get the date and time from the UNIX time value, and then format it | |
81 | * into a string. Note that we *can't* use the strftime() function since | |
82 | * it is localized and will seriously confuse automatic programs if the | |
83 | * month names are in the wrong language! | |
84 | * | |
85 | * Also, we use the "timezone" variable that contains the current timezone | |
86 | * offset from GMT in seconds so that we are reporting local time in the | |
87 | * log files. If you want GMT, set the TZ environment variable accordingly | |
88 | * before starting the scheduler. | |
89 | * | |
90 | * (*BSD and Darwin store the timezone offset in the tm structure) | |
91 | */ | |
92 | ||
93 | date = localtime(&t); | |
94 | ||
95 | snprintf(s, sizeof(s), "[%02d/%s/%04d:%02d:%02d:%02d %+03ld%02ld]", | |
96 | date->tm_mday, months[date->tm_mon], 1900 + date->tm_year, | |
97 | date->tm_hour, date->tm_min, date->tm_sec, | |
98 | #ifdef HAVE_TM_GMTOFF | |
99 | date->tm_gmtoff / 3600, (date->tm_gmtoff / 60) % 60); | |
100 | #else | |
101 | timezone / 3600, (timezone / 60) % 60); | |
102 | #endif /* HAVE_TM_GMTOFF */ | |
103 | } | |
104 | ||
105 | return (s); | |
106 | } | |
107 | ||
108 | ||
f7deaa1a | 109 | #ifdef HAVE_GSSAPI |
110 | /* | |
111 | * 'cupsdLogGSSMessage()' - Log a GSSAPI error... | |
112 | */ | |
113 | ||
114 | int /* O - 1 on success, 0 on error */ | |
115 | cupsdLogGSSMessage( | |
116 | int level, /* I - Log level */ | |
117 | int major_status, /* I - Major GSSAPI status */ | |
118 | int minor_status, /* I - Minor GSSAPI status */ | |
119 | const char *message, /* I - printf-style message string */ | |
120 | ...) /* I - Additional args as needed */ | |
121 | { | |
122 | OM_uint32 err_major_status, /* Major status code for display */ | |
123 | err_minor_status; /* Minor status code for display */ | |
124 | OM_uint32 msg_ctx; /* Message context */ | |
125 | gss_buffer_desc major_status_string = GSS_C_EMPTY_BUFFER, | |
126 | /* Major status message */ | |
127 | minor_status_string = GSS_C_EMPTY_BUFFER; | |
128 | /* Minor status message */ | |
129 | int ret; /* Return value */ | |
130 | ||
131 | ||
132 | msg_ctx = 0; | |
133 | err_major_status = gss_display_status(&err_minor_status, | |
134 | major_status, | |
135 | GSS_C_GSS_CODE, | |
136 | GSS_C_NO_OID, | |
137 | &msg_ctx, | |
138 | &major_status_string); | |
139 | ||
140 | if (!GSS_ERROR(err_major_status)) | |
141 | err_major_status = gss_display_status(&err_minor_status, | |
142 | minor_status, | |
143 | GSS_C_MECH_CODE, | |
144 | GSS_C_NULL_OID, | |
145 | &msg_ctx, | |
146 | &minor_status_string); | |
147 | ||
148 | ret = cupsdLogMessage(level, "%s: %s, %s", message, | |
149 | (char *)major_status_string.value, | |
150 | (char *)minor_status_string.value); | |
151 | gss_release_buffer(&err_minor_status, &major_status_string); | |
152 | gss_release_buffer(&err_minor_status, &minor_status_string); | |
153 | ||
154 | return (ret); | |
155 | } | |
156 | #endif /* HAVE_GSSAPI */ | |
157 | ||
158 | ||
ef416fc2 | 159 | /* |
160 | * 'cupsdLogMessage()' - Log a message to the error log file. | |
161 | */ | |
162 | ||
163 | int /* O - 1 on success, 0 on error */ | |
164 | cupsdLogMessage(int level, /* I - Log level */ | |
165 | const char *message, /* I - printf-style message string */ | |
166 | ...) /* I - Additional args as needed */ | |
167 | { | |
168 | int len; /* Length of message */ | |
169 | va_list ap; /* Argument pointer */ | |
170 | static const char levels[] = /* Log levels... */ | |
171 | { | |
172 | ' ', | |
173 | 'X', | |
174 | 'A', | |
175 | 'C', | |
176 | 'E', | |
177 | 'W', | |
178 | 'N', | |
179 | 'I', | |
180 | 'D', | |
181 | 'd' | |
182 | }; | |
183 | #ifdef HAVE_VSYSLOG | |
839a51c8 | 184 | static const int syslevels[] = /* SYSLOG levels... */ |
ef416fc2 | 185 | { |
186 | 0, | |
187 | LOG_EMERG, | |
188 | LOG_ALERT, | |
189 | LOG_CRIT, | |
190 | LOG_ERR, | |
191 | LOG_WARNING, | |
192 | LOG_NOTICE, | |
193 | LOG_INFO, | |
194 | LOG_DEBUG, | |
195 | LOG_DEBUG | |
196 | }; | |
197 | #endif /* HAVE_VSYSLOG */ | |
839a51c8 MS |
198 | static int linesize = 0; /* Size of line for output file */ |
199 | static char *line = NULL; /* Line for output file */ | |
ef416fc2 | 200 | |
201 | ||
202 | /* | |
203 | * See if we want to log this message... | |
204 | */ | |
205 | ||
2e4ff8af MS |
206 | if (TestConfigFile) |
207 | { | |
208 | if (level <= CUPSD_LOG_WARN) | |
209 | { | |
210 | va_start(ap, message); | |
211 | vfprintf(stderr, message, ap); | |
212 | putc('\n', stderr); | |
213 | va_end(ap); | |
214 | } | |
215 | ||
216 | return (1); | |
217 | } | |
218 | ||
ef416fc2 | 219 | if (level > LogLevel || !ErrorLog) |
220 | return (1); | |
221 | ||
222 | #ifdef HAVE_VSYSLOG | |
223 | /* | |
224 | * See if we are logging errors via syslog... | |
225 | */ | |
226 | ||
227 | if (!strcmp(ErrorLog, "syslog")) | |
228 | { | |
229 | va_start(ap, message); | |
230 | vsyslog(syslevels[level], message, ap); | |
231 | va_end(ap); | |
232 | ||
233 | return (1); | |
234 | } | |
235 | #endif /* HAVE_VSYSLOG */ | |
236 | ||
237 | /* | |
238 | * Not using syslog; check the log file... | |
239 | */ | |
240 | ||
241 | if (!check_log_file(&ErrorFile, ErrorLog)) | |
242 | return (0); | |
243 | ||
244 | /* | |
245 | * Print the log level and date/time... | |
246 | */ | |
247 | ||
248 | cupsFilePrintf(ErrorFile, "%c %s ", levels[level], cupsdGetDateTime(time(NULL))); | |
249 | ||
250 | /* | |
251 | * Allocate the line buffer as needed... | |
252 | */ | |
253 | ||
254 | if (!linesize) | |
255 | { | |
256 | linesize = 8192; | |
257 | line = malloc(linesize); | |
258 | ||
259 | if (!line) | |
260 | { | |
261 | cupsFilePrintf(ErrorFile, | |
262 | "ERROR: Unable to allocate memory for line - %s\n", | |
263 | strerror(errno)); | |
264 | cupsFileFlush(ErrorFile); | |
265 | ||
266 | return (0); | |
267 | } | |
268 | } | |
269 | ||
270 | /* | |
271 | * Format the log message... | |
272 | */ | |
273 | ||
274 | va_start(ap, message); | |
275 | len = vsnprintf(line, linesize, message, ap); | |
276 | va_end(ap); | |
277 | ||
278 | /* | |
279 | * Resize the buffer as needed... | |
280 | */ | |
281 | ||
282 | if (len >= linesize) | |
283 | { | |
91c84a35 MS |
284 | char *temp; /* Temporary string pointer */ |
285 | ||
286 | ||
ef416fc2 | 287 | len ++; |
288 | ||
289 | if (len < 8192) | |
290 | len = 8192; | |
291 | else if (len > 65536) | |
292 | len = 65536; | |
293 | ||
91c84a35 | 294 | temp = realloc(line, len); |
ef416fc2 | 295 | |
91c84a35 | 296 | if (temp) |
ef416fc2 | 297 | { |
91c84a35 MS |
298 | line = temp; |
299 | linesize = len; | |
ef416fc2 | 300 | } |
301 | ||
302 | va_start(ap, message); | |
303 | len = vsnprintf(line, linesize, message, ap); | |
304 | va_end(ap); | |
305 | } | |
306 | ||
307 | if (len >= linesize) | |
308 | len = linesize - 1; | |
309 | ||
310 | /* | |
311 | * Then the log message... | |
312 | */ | |
313 | ||
314 | cupsFilePuts(ErrorFile, line); | |
315 | ||
316 | /* | |
317 | * Then a newline... | |
318 | */ | |
319 | ||
320 | if (len > 0 && line[len - 1] != '\n') | |
321 | cupsFilePutChar(ErrorFile, '\n'); | |
322 | ||
323 | /* | |
324 | * Flush the line to the file and return... | |
325 | */ | |
326 | ||
327 | cupsFileFlush(ErrorFile); | |
328 | ||
329 | return (1); | |
330 | } | |
331 | ||
332 | ||
333 | /* | |
334 | * 'cupsdLogPage()' - Log a page to the page log file. | |
335 | */ | |
336 | ||
337 | int /* O - 1 on success, 0 on error */ | |
338 | cupsdLogPage(cupsd_job_t *job, /* I - Job being printed */ | |
339 | const char *page) /* I - Page being printed */ | |
340 | { | |
01ce6322 MS |
341 | int i; /* Looping var */ |
342 | char buffer[2048], /* Buffer for page log */ | |
343 | *bufptr, /* Pointer into buffer */ | |
344 | name[256]; /* Attribute name */ | |
345 | const char *format, /* Pointer into PageLogFormat */ | |
346 | *nameend; /* End of attribute name */ | |
347 | ipp_attribute_t *attr; /* Current attribute */ | |
348 | int number; /* Page number */ | |
349 | char copies[256]; /* Number of copies */ | |
ef416fc2 | 350 | |
351 | ||
01ce6322 MS |
352 | /* |
353 | * Format the line going into the page log... | |
354 | */ | |
355 | ||
356 | if (!PageLogFormat) | |
357 | return (1); | |
358 | ||
359 | number = 1; | |
360 | strcpy(copies, "1"); | |
361 | sscanf(page, "%d%255s", &number, copies); | |
362 | ||
363 | for (format = PageLogFormat, bufptr = buffer; *format; format ++) | |
364 | { | |
365 | if (*format == '%') | |
366 | { | |
367 | format ++; | |
368 | ||
369 | switch (*format) | |
370 | { | |
371 | case '%' : /* Literal % */ | |
372 | if (bufptr < (buffer + sizeof(buffer) - 1)) | |
373 | *bufptr++ = '%'; | |
374 | break; | |
375 | ||
376 | case 'p' : /* Printer name */ | |
377 | strlcpy(bufptr, job->printer->name, | |
378 | sizeof(buffer) - (bufptr - buffer)); | |
379 | bufptr += strlen(bufptr); | |
380 | break; | |
381 | ||
382 | case 'j' : /* Job ID */ | |
383 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), "%d", job->id); | |
384 | bufptr += strlen(bufptr); | |
385 | break; | |
386 | ||
387 | case 'u' : /* Username */ | |
388 | strlcpy(bufptr, job->username ? job->username : "-", | |
389 | sizeof(buffer) - (bufptr - buffer)); | |
390 | bufptr += strlen(bufptr); | |
391 | break; | |
392 | ||
393 | case 'T' : /* Date and time */ | |
394 | strlcpy(bufptr, cupsdGetDateTime(time(NULL)), | |
395 | sizeof(buffer) - (bufptr - buffer)); | |
396 | bufptr += strlen(bufptr); | |
397 | break; | |
398 | ||
399 | case 'P' : /* Page number */ | |
400 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), "%d", number); | |
401 | bufptr += strlen(bufptr); | |
402 | break; | |
403 | ||
404 | case 'C' : /* Number of copies */ | |
405 | strlcpy(bufptr, copies, sizeof(buffer) - (bufptr - buffer)); | |
406 | bufptr += strlen(bufptr); | |
407 | break; | |
408 | ||
409 | case '{' : /* {attribute} */ | |
410 | if ((nameend = strchr(format, '}')) != NULL && | |
411 | (nameend - format - 2) < (sizeof(name) - 1)) | |
412 | { | |
413 | /* | |
414 | * Pull the name from inside the brackets... | |
415 | */ | |
416 | ||
417 | memcpy(name, format + 1, nameend - format - 2); | |
418 | name[nameend - format - 2] = '\0'; | |
419 | ||
420 | if ((attr = ippFindAttribute(job->attrs, name, | |
421 | IPP_TAG_ZERO)) != NULL) | |
422 | { | |
423 | /* | |
424 | * Add the attribute value... | |
425 | */ | |
426 | ||
427 | format = nameend; | |
428 | ||
429 | for (i = 0; | |
430 | i < attr->num_values && | |
431 | bufptr < (buffer + sizeof(buffer) - 1); | |
432 | i ++) | |
433 | { | |
434 | if (i) | |
435 | *bufptr++ = ','; | |
436 | ||
437 | switch (attr->value_tag) | |
438 | { | |
439 | case IPP_TAG_INTEGER : | |
440 | case IPP_TAG_ENUM : | |
441 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), | |
442 | "%d", attr->values[i].integer); | |
443 | bufptr += strlen(bufptr); | |
444 | break; | |
445 | ||
446 | case IPP_TAG_BOOLEAN : | |
447 | snprintf(bufptr, sizeof(buffer) - (bufptr - buffer), | |
448 | "%d", attr->values[i].boolean); | |
449 | bufptr += strlen(bufptr); | |
450 | break; | |
451 | ||
452 | case IPP_TAG_TEXTLANG : | |
453 | case IPP_TAG_NAMELANG : | |
454 | case IPP_TAG_TEXT : | |
455 | case IPP_TAG_NAME : | |
456 | case IPP_TAG_KEYWORD : | |
457 | case IPP_TAG_URI : | |
458 | case IPP_TAG_URISCHEME : | |
459 | case IPP_TAG_CHARSET : | |
460 | case IPP_TAG_LANGUAGE : | |
461 | case IPP_TAG_MIMETYPE : | |
462 | strlcpy(bufptr, attr->values[i].string.text, | |
463 | sizeof(buffer) - (bufptr - buffer)); | |
464 | bufptr += strlen(bufptr); | |
465 | break; | |
466 | ||
467 | default : | |
468 | strlcpy(bufptr, "???", | |
469 | sizeof(buffer) - (bufptr - buffer)); | |
470 | bufptr += strlen(bufptr); | |
471 | break; | |
472 | } | |
473 | } | |
474 | } | |
475 | else if (bufptr < (buffer + sizeof(buffer) - 1)) | |
476 | *bufptr++ = '-'; | |
477 | break; | |
478 | } | |
479 | ||
480 | default : | |
481 | if (bufptr < (buffer + sizeof(buffer) - 2)) | |
482 | { | |
483 | *bufptr++ = '%'; | |
484 | *bufptr++ = *format; | |
485 | } | |
486 | break; | |
487 | } | |
488 | } | |
489 | else if (bufptr < (buffer + sizeof(buffer) - 1)) | |
490 | *bufptr++ = *format; | |
491 | } | |
ef416fc2 | 492 | |
01ce6322 MS |
493 | *bufptr = '\0'; |
494 | ||
ef416fc2 | 495 | #ifdef HAVE_VSYSLOG |
496 | /* | |
497 | * See if we are logging pages via syslog... | |
498 | */ | |
499 | ||
500 | if (!strcmp(PageLog, "syslog")) | |
501 | { | |
01ce6322 | 502 | syslog(LOG_INFO, "%s", buffer); |
ef416fc2 | 503 | |
504 | return (1); | |
505 | } | |
506 | #endif /* HAVE_VSYSLOG */ | |
507 | ||
508 | /* | |
509 | * Not using syslog; check the log file... | |
510 | */ | |
511 | ||
512 | if (!check_log_file(&PageFile, PageLog)) | |
513 | return (0); | |
514 | ||
515 | /* | |
516 | * Print a page log entry of the form: | |
517 | * | |
ac884b6a | 518 | * printer user job-id [DD/MON/YYYY:HH:MM:SS +TTTT] page num-copies \ |
ef416fc2 | 519 | * billing hostname |
520 | */ | |
521 | ||
01ce6322 | 522 | cupsFilePrintf(PageFile, "%s\n", buffer); |
ef416fc2 | 523 | cupsFileFlush(PageFile); |
524 | ||
525 | return (1); | |
526 | } | |
527 | ||
528 | ||
529 | /* | |
530 | * 'cupsdLogRequest()' - Log an HTTP request in Common Log Format. | |
531 | */ | |
532 | ||
533 | int /* O - 1 on success, 0 on error */ | |
534 | cupsdLogRequest(cupsd_client_t *con, /* I - Request to log */ | |
535 | http_status_t code) /* I - Response code */ | |
536 | { | |
839a51c8 | 537 | char temp[2048]; /* Temporary string for URI */ |
ef416fc2 | 538 | static const char * const states[] = /* HTTP client states... */ |
539 | { | |
540 | "WAITING", | |
541 | "OPTIONS", | |
542 | "GET", | |
543 | "GET", | |
544 | "HEAD", | |
545 | "POST", | |
546 | "POST", | |
547 | "POST", | |
548 | "PUT", | |
549 | "PUT", | |
550 | "DELETE", | |
551 | "TRACE", | |
552 | "CLOSE", | |
553 | "STATUS" | |
554 | }; | |
555 | ||
556 | ||
557 | #ifdef HAVE_VSYSLOG | |
558 | /* | |
559 | * See if we are logging accesses via syslog... | |
560 | */ | |
561 | ||
562 | if (!strcmp(AccessLog, "syslog")) | |
563 | { | |
2abf387c | 564 | syslog(LOG_INFO, |
565 | "REQUEST %s - %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s\n", | |
ef416fc2 | 566 | con->http.hostname, con->username[0] != '\0' ? con->username : "-", |
839a51c8 | 567 | states[con->operation], _httpEncodeURI(temp, con->uri, sizeof(temp)), |
ef416fc2 | 568 | con->http.version / 100, con->http.version % 100, |
2abf387c | 569 | code, CUPS_LLCAST con->bytes, |
570 | con->request ? | |
571 | ippOpString(con->request->request.op.operation_id) : "-", | |
572 | con->response ? | |
573 | ippErrorString(con->response->request.status.status_code) : "-"); | |
ef416fc2 | 574 | |
575 | return (1); | |
576 | } | |
577 | #endif /* HAVE_VSYSLOG */ | |
578 | ||
579 | /* | |
580 | * Not using syslog; check the log file... | |
581 | */ | |
582 | ||
583 | if (!check_log_file(&AccessFile, AccessLog)) | |
584 | return (0); | |
585 | ||
586 | /* | |
587 | * Write a log of the request in "common log format"... | |
588 | */ | |
589 | ||
590 | cupsFilePrintf(AccessFile, | |
591 | "%s - %s %s \"%s %s HTTP/%d.%d\" %d " CUPS_LLFMT " %s %s\n", | |
592 | con->http.hostname, con->username[0] != '\0' ? con->username : "-", | |
839a51c8 MS |
593 | cupsdGetDateTime(con->start), states[con->operation], |
594 | _httpEncodeURI(temp, con->uri, sizeof(temp)), | |
ef416fc2 | 595 | con->http.version / 100, con->http.version % 100, |
596 | code, CUPS_LLCAST con->bytes, | |
597 | con->request ? | |
598 | ippOpString(con->request->request.op.operation_id) : "-", | |
599 | con->response ? | |
600 | ippErrorString(con->response->request.status.status_code) : | |
601 | "-"); | |
602 | ||
603 | cupsFileFlush(AccessFile); | |
604 | ||
605 | return (1); | |
606 | } | |
607 | ||
608 | ||
609 | /* | |
610 | * 'check_log_file()' - Open/rotate a log file if it needs it. | |
611 | */ | |
612 | ||
613 | static int /* O - 1 if log file open */ | |
614 | check_log_file(cups_file_t **lf, /* IO - Log file */ | |
615 | const char *logname) /* I - Log filename */ | |
616 | { | |
f7deaa1a | 617 | char backname[1024], /* Backup log filename */ |
618 | filename[1024], /* Formatted log filename */ | |
619 | *ptr; /* Pointer into filename */ | |
620 | const char *logptr; /* Pointer into log filename */ | |
ef416fc2 | 621 | |
622 | ||
623 | /* | |
624 | * See if we have a log file to check... | |
625 | */ | |
626 | ||
627 | if (!lf || !logname || !logname[0]) | |
628 | return (1); | |
629 | ||
630 | /* | |
631 | * Format the filename as needed... | |
632 | */ | |
633 | ||
a74454a7 | 634 | if (!*lf || |
635 | (strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize && | |
636 | MaxLogSize > 0)) | |
ef416fc2 | 637 | { |
638 | /* | |
639 | * Handle format strings... | |
640 | */ | |
641 | ||
642 | filename[sizeof(filename) - 1] = '\0'; | |
643 | ||
644 | if (logname[0] != '/') | |
645 | { | |
646 | strlcpy(filename, ServerRoot, sizeof(filename)); | |
647 | strlcat(filename, "/", sizeof(filename)); | |
648 | } | |
649 | else | |
650 | filename[0] = '\0'; | |
651 | ||
f7deaa1a | 652 | for (logptr = logname, ptr = filename + strlen(filename); |
653 | *logptr && ptr < (filename + sizeof(filename) - 1); | |
654 | logptr ++) | |
655 | if (*logptr == '%') | |
ef416fc2 | 656 | { |
657 | /* | |
658 | * Format spec... | |
659 | */ | |
660 | ||
f7deaa1a | 661 | logptr ++; |
662 | if (*logptr == 's') | |
ef416fc2 | 663 | { |
664 | /* | |
665 | * Insert the server name... | |
666 | */ | |
667 | ||
668 | strlcpy(ptr, ServerName, sizeof(filename) - (ptr - filename)); | |
669 | ptr += strlen(ptr); | |
670 | } | |
671 | else | |
672 | { | |
673 | /* | |
674 | * Otherwise just insert the character... | |
675 | */ | |
676 | ||
f7deaa1a | 677 | *ptr++ = *logptr; |
ef416fc2 | 678 | } |
679 | } | |
680 | else | |
f7deaa1a | 681 | *ptr++ = *logptr; |
ef416fc2 | 682 | |
683 | *ptr = '\0'; | |
684 | } | |
685 | ||
686 | /* | |
687 | * See if the log file is open... | |
688 | */ | |
689 | ||
690 | if (!*lf) | |
691 | { | |
692 | /* | |
693 | * Nope, open the log file... | |
694 | */ | |
695 | ||
696 | if ((*lf = cupsFileOpen(filename, "a")) == NULL) | |
697 | { | |
b94498cf | 698 | /* |
699 | * If the file is in CUPS_LOGDIR then try to create a missing directory... | |
700 | */ | |
ef416fc2 | 701 | |
b94498cf | 702 | if (!strncmp(filename, CUPS_LOGDIR, strlen(CUPS_LOGDIR))) |
703 | { | |
704 | cupsdCheckPermissions(CUPS_LOGDIR, NULL, 0755, RunUser, Group, 1, -1); | |
705 | ||
706 | *lf = cupsFileOpen(filename, "a"); | |
707 | } | |
708 | ||
709 | if (*lf == NULL) | |
710 | { | |
711 | syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, | |
712 | strerror(errno)); | |
713 | return (0); | |
714 | } | |
ef416fc2 | 715 | } |
716 | ||
717 | if (strncmp(filename, "/dev/", 5)) | |
718 | { | |
719 | /* | |
720 | * Change ownership and permissions of non-device logs... | |
721 | */ | |
722 | ||
723 | fchown(cupsFileNumber(*lf), RunUser, Group); | |
724 | fchmod(cupsFileNumber(*lf), LogFilePerm); | |
725 | } | |
726 | } | |
727 | ||
728 | /* | |
729 | * Do we need to rotate the log? | |
730 | */ | |
731 | ||
a74454a7 | 732 | if (strncmp(logname, "/dev/", 5) && cupsFileTell(*lf) > MaxLogSize && |
733 | MaxLogSize > 0) | |
ef416fc2 | 734 | { |
735 | /* | |
736 | * Rotate log file... | |
737 | */ | |
738 | ||
739 | cupsFileClose(*lf); | |
740 | ||
741 | strcpy(backname, filename); | |
742 | strlcat(backname, ".O", sizeof(backname)); | |
743 | ||
744 | unlink(backname); | |
745 | rename(filename, backname); | |
746 | ||
747 | if ((*lf = cupsFileOpen(filename, "a")) == NULL) | |
748 | { | |
749 | syslog(LOG_ERR, "Unable to open log file \"%s\" - %s", filename, | |
750 | strerror(errno)); | |
751 | ||
752 | return (0); | |
753 | } | |
754 | ||
a74454a7 | 755 | /* |
756 | * Change ownership and permissions of non-device logs... | |
757 | */ | |
ef416fc2 | 758 | |
a74454a7 | 759 | fchown(cupsFileNumber(*lf), RunUser, Group); |
760 | fchmod(cupsFileNumber(*lf), LogFilePerm); | |
ef416fc2 | 761 | } |
762 | ||
763 | return (1); | |
764 | } | |
765 | ||
766 | ||
767 | /* | |
2e4ff8af | 768 | * End of "$Id: log.c 6875 2007-08-27 23:25:06Z mike $". |
ef416fc2 | 769 | */ |