Mercurial > hg > nginx
comparison src/http/ngx_http_log_handler.c @ 176:c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 09 Nov 2003 20:03:38 +0000 |
parents | src/http/modules/ngx_http_log_handler.c@cd54bcbaf3b5 |
children | 4db54fdbcbe7 |
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175:e92c2c647c57 | 176:c0552e5ab567 |
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1 | |
2 #include <ngx_config.h> | |
3 #include <ngx_core.h> | |
4 #include <ngx_http.h> | |
5 #include <nginx.h> | |
6 | |
7 | |
8 static char *ngx_http_log_addr(ngx_http_request_t *r, char *buf, | |
9 uintptr_t data); | |
10 static char *ngx_http_log_connection(ngx_http_request_t *r, char *buf, | |
11 uintptr_t data); | |
12 static char *ngx_http_log_pipe(ngx_http_request_t *r, char *buf, | |
13 uintptr_t data); | |
14 static char *ngx_http_log_time(ngx_http_request_t *r, char *buf, | |
15 uintptr_t data); | |
16 static char *ngx_http_log_request(ngx_http_request_t *r, char *buf, | |
17 uintptr_t data); | |
18 static char *ngx_http_log_status(ngx_http_request_t *r, char *buf, | |
19 uintptr_t data); | |
20 static char *ngx_http_log_length(ngx_http_request_t *r, char *buf, | |
21 uintptr_t data); | |
22 static char *ngx_http_log_header_in(ngx_http_request_t *r, char *buf, | |
23 uintptr_t data); | |
24 static char *ngx_http_log_unknown_header_in(ngx_http_request_t *r, char *buf, | |
25 uintptr_t data); | |
26 static char *ngx_http_log_header_out(ngx_http_request_t *r, char *buf, | |
27 uintptr_t data); | |
28 static char *ngx_http_log_unknown_header_out(ngx_http_request_t *r, char *buf, | |
29 uintptr_t data); | |
30 | |
31 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf); | |
32 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf); | |
33 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
34 void *child); | |
35 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, | |
36 void *conf); | |
37 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, | |
38 void *conf); | |
39 static int ngx_http_log_parse_format(ngx_conf_t *cf, ngx_array_t *ops, | |
40 ngx_str_t *line); | |
41 | |
42 | |
43 static ngx_command_t ngx_http_log_commands[] = { | |
44 | |
45 {ngx_string("log_format"), | |
46 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE, | |
47 ngx_http_log_set_format, | |
48 NGX_HTTP_MAIN_CONF_OFFSET, | |
49 0, | |
50 NULL}, | |
51 | |
52 {ngx_string("access_log"), | |
53 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
54 ngx_http_log_set_log, | |
55 NGX_HTTP_LOC_CONF_OFFSET, | |
56 0, | |
57 NULL}, | |
58 | |
59 ngx_null_command | |
60 }; | |
61 | |
62 | |
63 ngx_http_module_t ngx_http_log_module_ctx = { | |
64 ngx_http_log_create_main_conf, /* create main configuration */ | |
65 NULL, /* init main configuration */ | |
66 | |
67 NULL, /* create server configuration */ | |
68 NULL, /* merge server configuration */ | |
69 | |
70 ngx_http_log_create_loc_conf, /* create location configration */ | |
71 ngx_http_log_merge_loc_conf /* merge location configration */ | |
72 }; | |
73 | |
74 | |
75 ngx_module_t ngx_http_log_module = { | |
76 NGX_MODULE, | |
77 &ngx_http_log_module_ctx, /* module context */ | |
78 ngx_http_log_commands, /* module directives */ | |
79 NGX_HTTP_MODULE, /* module type */ | |
80 NULL, /* init module */ | |
81 NULL /* init child */ | |
82 }; | |
83 | |
84 | |
85 static ngx_str_t http_access_log = ngx_string("access.log"); | |
86 | |
87 | |
88 static char *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun", | |
89 "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" }; | |
90 | |
91 static ngx_str_t ngx_http_combined_fmt = | |
92 ngx_string("%addr - - [%time] \"%request\" %status %length " | |
93 "\"%{Referer}i\" %{User-Agent}i\""); | |
94 | |
95 | |
96 static ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = { | |
97 { ngx_string("addr"), INET_ADDRSTRLEN - 1, ngx_http_log_addr }, | |
98 { ngx_string("conn"), NGX_INT32_LEN, ngx_http_log_connection }, | |
99 { ngx_string("pipe"), 1, ngx_http_log_pipe }, | |
100 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00") - 1, | |
101 ngx_http_log_time }, | |
102 { ngx_string("request"), 0, ngx_http_log_request }, | |
103 { ngx_string("status"), 3, ngx_http_log_status }, | |
104 { ngx_string("length"), NGX_OFF_LEN, ngx_http_log_length }, | |
105 { ngx_string("i"), NGX_HTTP_LOG_ARG, ngx_http_log_header_in }, | |
106 { ngx_string("o"), NGX_HTTP_LOG_ARG, ngx_http_log_header_out }, | |
107 { ngx_null_string, 0, NULL } | |
108 }; | |
109 | |
110 | |
111 int ngx_http_log_handler(ngx_http_request_t *r) | |
112 { | |
113 int i, l; | |
114 u_int data; | |
115 char *line, *p; | |
116 size_t len; | |
117 ngx_http_log_t *log; | |
118 ngx_http_log_op_t *op; | |
119 ngx_http_log_loc_conf_t *lcf; | |
120 #if (WIN32) | |
121 u_int written; | |
122 #endif | |
123 | |
124 ngx_log_debug(r->connection->log, "log handler"); | |
125 | |
126 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); | |
127 | |
128 log = lcf->logs->elts; | |
129 for (l = 0; l < lcf->logs->nelts; l++) { | |
130 | |
131 len = 0; | |
132 op = log[l].ops->elts; | |
133 for (i = 0; i < log[l].ops->nelts; i++) { | |
134 if (op[i].len == 0) { | |
135 len += (size_t) op[i].op(r, NULL, op[i].data); | |
136 | |
137 } else { | |
138 len += op[i].len; | |
139 } | |
140 } | |
141 | |
142 #if (WIN32) | |
143 len += 2; | |
144 #else | |
145 len++; | |
146 #endif | |
147 | |
148 ngx_test_null(line, ngx_palloc(r->pool, len), NGX_ERROR); | |
149 p = line; | |
150 | |
151 for (i = 0; i < log[l].ops->nelts; i++) { | |
152 if (op[i].op == NGX_HTTP_LOG_COPY_SHORT) { | |
153 len = op[i].len; | |
154 data = op[i].data; | |
155 while (len--) { | |
156 *p++ = data & 0xff; | |
157 data >>= 8; | |
158 } | |
159 | |
160 } else if (op[i].op == NGX_HTTP_LOG_COPY_LONG) { | |
161 p = ngx_cpymem(p, (void *) op[i].data, op[i].len); | |
162 | |
163 } else { | |
164 p = op[i].op(r, p, op[i].data); | |
165 } | |
166 } | |
167 | |
168 #if (WIN32) | |
169 *p++ = CR; *p++ = LF; | |
170 WriteFile(log[l].file->fd, line, p - line, &written, NULL); | |
171 #else | |
172 *p++ = LF; | |
173 write(log[l].file->fd, line, p - line); | |
174 #endif | |
175 } | |
176 | |
177 return NGX_OK; | |
178 } | |
179 | |
180 | |
181 static char *ngx_http_log_addr(ngx_http_request_t *r, char *buf, uintptr_t data) | |
182 { | |
183 return ngx_cpymem(buf, r->connection->addr_text.data, | |
184 r->connection->addr_text.len); | |
185 } | |
186 | |
187 | |
188 static char *ngx_http_log_connection(ngx_http_request_t *r, char *buf, | |
189 uintptr_t data) | |
190 { | |
191 return buf + ngx_snprintf(buf, NGX_INT32_LEN + 1, "%u", | |
192 r->connection->number); | |
193 } | |
194 | |
195 | |
196 static char *ngx_http_log_pipe(ngx_http_request_t *r, char *buf, uintptr_t data) | |
197 { | |
198 if (r->pipeline) { | |
199 *buf = 'p'; | |
200 } else { | |
201 *buf = '.'; | |
202 } | |
203 | |
204 return buf + 1; | |
205 } | |
206 | |
207 | |
208 static char *ngx_http_log_time(ngx_http_request_t *r, char *buf, uintptr_t data) | |
209 { | |
210 ngx_tm_t tm; | |
211 | |
212 ngx_localtime(&tm); | |
213 | |
214 return buf + ngx_snprintf(buf, sizeof("28/Sep/1970:12:00:00"), | |
215 "%02d/%s/%d:%02d:%02d:%02d", | |
216 tm.ngx_tm_mday, months[tm.ngx_tm_mon - 1], | |
217 tm.ngx_tm_year, | |
218 tm.ngx_tm_hour, tm.ngx_tm_min, tm.ngx_tm_sec); | |
219 } | |
220 | |
221 | |
222 static char *ngx_http_log_request(ngx_http_request_t *r, char *buf, | |
223 uintptr_t data) | |
224 { | |
225 if (buf == NULL) { | |
226 /* find the request line length */ | |
227 return (char *) r->request_line.len; | |
228 } | |
229 | |
230 return ngx_cpymem(buf, r->request_line.data, r->request_line.len); | |
231 } | |
232 | |
233 | |
234 static char *ngx_http_log_status(ngx_http_request_t *r, char *buf, | |
235 uintptr_t data) | |
236 { | |
237 return buf + ngx_snprintf(buf, 4, "%d", r->headers_out.status); | |
238 } | |
239 | |
240 | |
241 static char *ngx_http_log_length(ngx_http_request_t *r, char *buf, | |
242 uintptr_t data) | |
243 { | |
244 return buf + ngx_snprintf(buf, NGX_OFF_LEN + 1, OFF_FMT, | |
245 r->connection->sent); | |
246 } | |
247 | |
248 | |
249 static char *ngx_http_log_header_in(ngx_http_request_t *r, char *buf, | |
250 uintptr_t data) | |
251 { | |
252 int i; | |
253 ngx_str_t *s; | |
254 ngx_table_elt_t *h; | |
255 ngx_http_log_op_t *op; | |
256 | |
257 if (r) { | |
258 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data); | |
259 | |
260 if (h == NULL) { | |
261 | |
262 /* no header */ | |
263 | |
264 if (buf) { | |
265 *buf = '-'; | |
266 } | |
267 | |
268 return buf + 1; | |
269 } | |
270 | |
271 if (buf == NULL) { | |
272 /* find the header length */ | |
273 return (char *) h->value.len; | |
274 } | |
275 | |
276 return ngx_cpymem(buf, h->value.data, h->value.len); | |
277 } | |
278 | |
279 /* find an offset while a format string compilation */ | |
280 | |
281 op = (ngx_http_log_op_t *) buf; | |
282 s = (ngx_str_t *) data; | |
283 | |
284 op->len = 0; | |
285 | |
286 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) { | |
287 if (ngx_http_headers_in[i].name.len != s->len) { | |
288 continue; | |
289 } | |
290 | |
291 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, s->data, s->len) | |
292 == 0) | |
293 { | |
294 op->op = ngx_http_log_header_in; | |
295 op->data = ngx_http_headers_in[i].offset; | |
296 return NULL; | |
297 } | |
298 } | |
299 | |
300 op->op = ngx_http_log_unknown_header_in; | |
301 op->data = (uintptr_t) s; | |
302 | |
303 return NULL; | |
304 } | |
305 | |
306 | |
307 static char *ngx_http_log_unknown_header_in(ngx_http_request_t *r, char *buf, | |
308 uintptr_t data) | |
309 { | |
310 int i; | |
311 ngx_str_t *s; | |
312 ngx_table_elt_t *h; | |
313 | |
314 s = (ngx_str_t *) data; | |
315 | |
316 h = r->headers_in.headers->elts; | |
317 for (i = 0; i < r->headers_in.headers->nelts; i++) { | |
318 if (h[i].key.len != s->len) { | |
319 continue; | |
320 } | |
321 | |
322 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) { | |
323 if (buf == NULL) { | |
324 /* find the header length */ | |
325 return (char *) h[i].value.len; | |
326 } | |
327 | |
328 return ngx_cpymem(buf, h[i].value.data, h[i].value.len); | |
329 } | |
330 } | |
331 | |
332 /* no header */ | |
333 | |
334 if (buf) { | |
335 *buf = '-'; | |
336 } | |
337 | |
338 return buf + 1; | |
339 } | |
340 | |
341 | |
342 static char *ngx_http_log_header_out(ngx_http_request_t *r, char *buf, | |
343 uintptr_t data) | |
344 { | |
345 int i; | |
346 ngx_str_t *s; | |
347 ngx_table_elt_t *h; | |
348 ngx_http_log_op_t *op; | |
349 | |
350 if (r) { | |
351 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data); | |
352 | |
353 if (h == NULL) { | |
354 | |
355 /* no header */ | |
356 | |
357 if (data == offsetof(ngx_http_headers_out_t, server)) { | |
358 if (buf == NULL) { | |
359 return (char *) (sizeof(NGINX_VER) - 1); | |
360 } | |
361 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1); | |
362 } | |
363 | |
364 if (buf) { | |
365 *buf = '-'; | |
366 } | |
367 | |
368 return buf + 1; | |
369 } | |
370 | |
371 if (buf == NULL) { | |
372 /* find the header length */ | |
373 return (char *) h->value.len; | |
374 } | |
375 | |
376 return ngx_cpymem(buf, h->value.data, h->value.len); | |
377 } | |
378 | |
379 /* find an offset while a format string compilation */ | |
380 | |
381 op = (ngx_http_log_op_t *) buf; | |
382 s = (ngx_str_t *) data; | |
383 | |
384 op->len = 0; | |
385 | |
386 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) { | |
387 if (ngx_http_headers_out[i].name.len != s->len) { | |
388 continue; | |
389 } | |
390 | |
391 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, s->data, s->len) | |
392 == 0) | |
393 { | |
394 op->op = ngx_http_log_header_out; | |
395 op->data = ngx_http_headers_out[i].offset; | |
396 return NULL; | |
397 } | |
398 } | |
399 | |
400 op->op = ngx_http_log_unknown_header_out; | |
401 op->data = (uintptr_t) s; | |
402 | |
403 return NULL; | |
404 } | |
405 | |
406 | |
407 static char *ngx_http_log_unknown_header_out(ngx_http_request_t *r, char *buf, | |
408 uintptr_t data) | |
409 { | |
410 int i; | |
411 ngx_str_t *s; | |
412 ngx_table_elt_t *h; | |
413 | |
414 s = (ngx_str_t *) data; | |
415 | |
416 h = r->headers_out.headers->elts; | |
417 for (i = 0; i < r->headers_out.headers->nelts; i++) { | |
418 if (h[i].key.len != s->len) { | |
419 continue; | |
420 } | |
421 | |
422 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) { | |
423 if (buf == NULL) { | |
424 /* find the header length */ | |
425 return (char *) h[i].value.len; | |
426 } | |
427 | |
428 return ngx_cpymem(buf, h[i].value.data, h[i].value.len); | |
429 } | |
430 } | |
431 | |
432 /* no header */ | |
433 | |
434 if (buf) { | |
435 *buf = '-'; | |
436 } | |
437 | |
438 return buf + 1; | |
439 } | |
440 | |
441 | |
442 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf) | |
443 { | |
444 ngx_http_log_main_conf_t *conf; | |
445 | |
446 char *rc; | |
447 ngx_str_t *value; | |
448 | |
449 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)))) { | |
450 return NGX_CONF_ERROR; | |
451 } | |
452 | |
453 ngx_init_array(conf->formats, cf->pool, 5, sizeof(ngx_http_log_fmt_t), | |
454 NGX_CONF_ERROR); | |
455 | |
456 cf->args->nelts = 0; | |
457 | |
458 if (!(value = ngx_push_array(cf->args))) { | |
459 return NGX_CONF_ERROR; | |
460 } | |
461 | |
462 if (!(value = ngx_push_array(cf->args))) { | |
463 return NGX_CONF_ERROR; | |
464 } | |
465 | |
466 value->len = sizeof("combined") - 1; | |
467 value->data = "combined"; | |
468 | |
469 if (!(value = ngx_push_array(cf->args))) { | |
470 return NGX_CONF_ERROR; | |
471 } | |
472 | |
473 *value = ngx_http_combined_fmt; | |
474 | |
475 rc = ngx_http_log_set_format(cf, NULL, conf); | |
476 if (rc != NGX_CONF_OK) { | |
477 return rc; | |
478 } | |
479 | |
480 return conf; | |
481 } | |
482 | |
483 | |
484 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf) | |
485 { | |
486 ngx_http_log_loc_conf_t *conf; | |
487 | |
488 ngx_test_null(conf, ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)), | |
489 NGX_CONF_ERROR); | |
490 | |
491 return conf; | |
492 } | |
493 | |
494 | |
495 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
496 void *child) | |
497 { | |
498 ngx_http_log_loc_conf_t *prev = parent; | |
499 ngx_http_log_loc_conf_t *conf = child; | |
500 | |
501 ngx_http_log_t *log; | |
502 ngx_http_log_fmt_t *fmt; | |
503 ngx_http_log_main_conf_t *lmcf; | |
504 | |
505 if (conf->logs == NULL) { | |
506 if (prev->logs) { | |
507 conf->logs = prev->logs; | |
508 | |
509 } else { | |
510 | |
511 conf->logs = ngx_create_array(cf->pool, 2, sizeof(ngx_http_log_t)); | |
512 if (conf->logs == NULL) { | |
513 return NGX_CONF_ERROR; | |
514 } | |
515 | |
516 if (!(log = ngx_push_array(conf->logs))) { | |
517 return NGX_CONF_ERROR; | |
518 } | |
519 | |
520 log->file = ngx_conf_open_file(cf->cycle, &http_access_log); | |
521 if (log->file == NULL) { | |
522 return NGX_CONF_ERROR; | |
523 } | |
524 | |
525 lmcf = ngx_http_conf_module_main_conf(cf, ngx_http_log_module); | |
526 fmt = lmcf->formats.elts; | |
527 /* the default "combined" format */ | |
528 log->ops = fmt[0].ops; | |
529 } | |
530 } | |
531 | |
532 return NGX_CONF_OK; | |
533 } | |
534 | |
535 | |
536 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, | |
537 void *conf) | |
538 { | |
539 ngx_http_log_loc_conf_t *llcf = conf; | |
540 | |
541 int i; | |
542 ngx_str_t *value, name; | |
543 ngx_http_log_t *log; | |
544 ngx_http_log_fmt_t *fmt; | |
545 ngx_http_log_main_conf_t *lmcf; | |
546 | |
547 if (llcf->logs == NULL) { | |
548 if (!(llcf->logs = ngx_create_array(cf->pool, 2, | |
549 sizeof(ngx_http_log_t)))) { | |
550 return NGX_CONF_ERROR; | |
551 } | |
552 } | |
553 | |
554 value = cf->args->elts; | |
555 lmcf = ngx_http_conf_module_main_conf(cf, ngx_http_log_module); | |
556 | |
557 if (!(log = ngx_push_array(llcf->logs))) { | |
558 return NGX_CONF_ERROR; | |
559 } | |
560 | |
561 if (!(log->file = ngx_conf_open_file(cf->cycle, &value[1]))) { | |
562 return NGX_CONF_ERROR; | |
563 } | |
564 | |
565 if (cf->args->nelts == 3) { | |
566 name = value[2]; | |
567 } else { | |
568 name.len = sizeof("combined") - 1; | |
569 name.data = "combined"; | |
570 } | |
571 | |
572 fmt = lmcf->formats.elts; | |
573 for (i = 0; i < lmcf->formats.nelts; i++) { | |
574 if (fmt[i].name.len == name.len | |
575 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) | |
576 { | |
577 log->ops = fmt[i].ops; | |
578 return NGX_CONF_OK; | |
579 } | |
580 } | |
581 | |
582 return NGX_CONF_OK; | |
583 } | |
584 | |
585 | |
586 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, | |
587 void *conf) | |
588 { | |
589 ngx_http_log_main_conf_t *lmcf = conf; | |
590 | |
591 int s, f, invalid; | |
592 char *data, *p, *fname; | |
593 size_t i, len, fname_len; | |
594 ngx_str_t *value, arg, *a; | |
595 ngx_http_log_op_t *op; | |
596 ngx_http_log_fmt_t *fmt; | |
597 ngx_http_log_op_name_t *name; | |
598 | |
599 value = cf->args->elts; | |
600 #if 0 | |
601 lmcf = ngx_http_conf_module_main_conf(cf, ngx_http_log_module); | |
602 #endif | |
603 | |
604 fmt = lmcf->formats.elts; | |
605 for (f = 0; f < lmcf->formats.nelts; f++) { | |
606 if (fmt[f].name.len == value[1].len | |
607 && ngx_strcmp(fmt->name.data, value[1].data) == 0) | |
608 { | |
609 return "duplicate \"log_format\" name"; | |
610 } | |
611 } | |
612 | |
613 if (!(fmt = ngx_push_array(&lmcf->formats))) { | |
614 return NGX_CONF_ERROR; | |
615 } | |
616 | |
617 fmt->name = value[1]; | |
618 | |
619 if (!(fmt->ops = ngx_create_array(cf->pool, 20, | |
620 sizeof(ngx_http_log_op_t)))) { | |
621 return NGX_CONF_ERROR; | |
622 } | |
623 | |
624 invalid = 0; | |
625 data = NULL; | |
626 | |
627 for (s = 2; s < cf->args->nelts && !invalid; s++) { | |
628 | |
629 i = 0; | |
630 | |
631 while (i < value[s].len) { | |
632 | |
633 if (!(op = ngx_push_array(fmt->ops))) { | |
634 return NGX_CONF_ERROR; | |
635 } | |
636 | |
637 data = &value[s].data[i]; | |
638 | |
639 if (value[s].data[i] == '%') { | |
640 i++; | |
641 | |
642 if (i == value[s].len) { | |
643 invalid = 1; | |
644 break; | |
645 } | |
646 | |
647 if (value[s].data[i] == '{') { | |
648 i++; | |
649 | |
650 arg.data = &value[s].data[i]; | |
651 | |
652 while (i < value[s].len && value[s].data[i] != '}') { | |
653 i++; | |
654 } | |
655 | |
656 arg.len = &value[s].data[i] - arg.data; | |
657 | |
658 if (i == value[s].len || arg.len == 0) { | |
659 invalid = 1; | |
660 break; | |
661 } | |
662 | |
663 i++; | |
664 | |
665 } else { | |
666 arg.len = 0; | |
667 } | |
668 | |
669 fname = &value[s].data[i]; | |
670 | |
671 while (i < value[s].len | |
672 && value[s].data[i] >= 'a' | |
673 && value[s].data[i] <= 'z') | |
674 { | |
675 i++; | |
676 } | |
677 | |
678 fname_len = &value[s].data[i] - fname; | |
679 | |
680 if (fname_len == 0) { | |
681 invalid = 1; | |
682 break; | |
683 } | |
684 | |
685 for (name = ngx_http_log_fmt_ops; name->name.len; name++) { | |
686 if (name->name.len == fname_len | |
687 && ngx_strncmp(name->name.data, fname, fname_len) == 0) | |
688 { | |
689 if (name->len != NGX_HTTP_LOG_ARG) { | |
690 if (arg.len) { | |
691 fname[fname_len] = '\0'; | |
692 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
693 "\"%s\" must not have argument", | |
694 data); | |
695 return NGX_CONF_ERROR; | |
696 } | |
697 | |
698 op->len = name->len; | |
699 op->op = name->op; | |
700 op->data = 0; | |
701 | |
702 break; | |
703 } | |
704 | |
705 if (arg.len == 0) { | |
706 fname[fname_len] = '\0'; | |
707 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
708 "\"%s\" requires argument", | |
709 data); | |
710 return NGX_CONF_ERROR; | |
711 } | |
712 | |
713 if (!(a = ngx_palloc(cf->pool, sizeof(ngx_str_t)))) { | |
714 return NGX_CONF_ERROR; | |
715 } | |
716 | |
717 *a = arg; | |
718 name->op(NULL, (char *) op, (uintptr_t) a); | |
719 | |
720 break; | |
721 } | |
722 } | |
723 | |
724 if (name->name.len == 0) { | |
725 invalid = 1; | |
726 break; | |
727 } | |
728 | |
729 } else { | |
730 i++; | |
731 | |
732 while (i < value[s].len && value[s].data[i] != '%') { | |
733 i++; | |
734 } | |
735 | |
736 len = &value[s].data[i] - data; | |
737 | |
738 if (len) { | |
739 | |
740 op->len = len; | |
741 | |
742 if (len <= sizeof(uintptr_t)) { | |
743 op->op = NGX_HTTP_LOG_COPY_SHORT; | |
744 op->data = 0; | |
745 | |
746 while (len--) { | |
747 op->data <<= 8; | |
748 op->data |= data[len]; | |
749 } | |
750 | |
751 } else { | |
752 op->op = NGX_HTTP_LOG_COPY_LONG; | |
753 | |
754 if (!(p = ngx_palloc(cf->pool, len))) { | |
755 return NGX_CONF_ERROR; | |
756 } | |
757 | |
758 ngx_memcpy(p, data, len); | |
759 op->data = (uintptr_t) p; | |
760 } | |
761 } | |
762 } | |
763 } | |
764 } | |
765 | |
766 if (invalid) { | |
767 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
768 "invalid parameter \"%s\"", data); | |
769 return NGX_CONF_ERROR; | |
770 } | |
771 | |
772 return NGX_CONF_OK; | |
773 } |