0
|
1
|
|
2 /*
|
|
3 * Copyright (C) Igor Sysoev
|
|
4 */
|
|
5
|
|
6
|
|
7 #include <ngx_config.h>
|
|
8 #include <ngx_core.h>
|
|
9 #include <ngx_http.h>
|
|
10 #include <nginx.h>
|
|
11
|
|
12
|
|
13 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
|
|
14 uintptr_t data);
|
|
15 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
|
|
16 uintptr_t data);
|
|
17 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
|
|
18 uintptr_t data);
|
|
19 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
|
|
20 uintptr_t data);
|
|
21 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
|
|
22 uintptr_t data);
|
|
23 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
|
|
24 uintptr_t data);
|
|
25 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
|
|
26 uintptr_t data);
|
|
27 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
|
|
28 uintptr_t data);
|
|
29 static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
|
|
30 uintptr_t data);
|
24
|
31 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
32 uintptr_t data);
|
0
|
33 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
34 uintptr_t data);
|
|
35 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
|
|
36 u_char *buf, uintptr_t data);
|
|
37 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
|
|
38 u_char *buf,
|
|
39 uintptr_t data);
|
|
40 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
|
|
41 u_char *buf, uintptr_t data);
|
|
42 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
43 uintptr_t data);
|
|
44 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
|
|
45 uintptr_t data);
|
|
46
|
|
47 static ngx_int_t ngx_http_log_pre_conf(ngx_conf_t *cf);
|
|
48 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
|
|
49 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
|
|
50 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
|
|
51 void *child);
|
|
52 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
53 void *conf);
|
|
54 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
55 void *conf);
|
|
56 static ngx_int_t ngx_http_log_parse_format(ngx_conf_t *cf, ngx_array_t *ops,
|
|
57 ngx_str_t *line);
|
|
58
|
|
59
|
|
60 static ngx_command_t ngx_http_log_commands[] = {
|
|
61
|
|
62 {ngx_string("log_format"),
|
|
63 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
|
|
64 ngx_http_log_set_format,
|
|
65 NGX_HTTP_MAIN_CONF_OFFSET,
|
|
66 0,
|
|
67 NULL},
|
|
68
|
|
69 {ngx_string("access_log"),
|
|
70 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
|
|
71 ngx_http_log_set_log,
|
|
72 NGX_HTTP_LOC_CONF_OFFSET,
|
|
73 0,
|
|
74 NULL},
|
|
75
|
|
76 ngx_null_command
|
|
77 };
|
|
78
|
|
79
|
|
80 ngx_http_module_t ngx_http_log_module_ctx = {
|
|
81 ngx_http_log_pre_conf, /* pre conf */
|
|
82
|
|
83 ngx_http_log_create_main_conf, /* create main configuration */
|
|
84 NULL, /* init main configuration */
|
|
85
|
|
86 NULL, /* create server configuration */
|
|
87 NULL, /* merge server configuration */
|
|
88
|
|
89 ngx_http_log_create_loc_conf, /* create location configration */
|
|
90 ngx_http_log_merge_loc_conf /* merge location configration */
|
|
91 };
|
|
92
|
|
93
|
|
94 ngx_module_t ngx_http_log_module = {
|
|
95 NGX_MODULE,
|
|
96 &ngx_http_log_module_ctx, /* module context */
|
|
97 ngx_http_log_commands, /* module directives */
|
|
98 NGX_HTTP_MODULE, /* module type */
|
|
99 NULL, /* init module */
|
|
100 NULL /* init child */
|
|
101 };
|
|
102
|
|
103
|
|
104 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
|
|
105
|
|
106
|
|
107 static ngx_str_t ngx_http_combined_fmt =
|
|
108 ngx_string("%addr - - [%time] \"%request\" %status %apache_length "
|
|
109 "\"%{Referer}i\" \"%{User-Agent}i\"");
|
|
110
|
|
111
|
|
112 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
|
|
113 { ngx_string("addr"), INET_ADDRSTRLEN - 1, ngx_http_log_addr },
|
|
114 { ngx_string("conn"), NGX_INT32_LEN, ngx_http_log_connection },
|
|
115 { ngx_string("pipe"), 1, ngx_http_log_pipe },
|
|
116 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00") - 1,
|
|
117 ngx_http_log_time },
|
|
118 { ngx_string("msec"), TIME_T_LEN + 4, ngx_http_log_msec },
|
|
119 { ngx_string("request"), 0, ngx_http_log_request },
|
|
120 { ngx_string("status"), 3, ngx_http_log_status },
|
|
121 { ngx_string("length"), NGX_OFF_T_LEN, ngx_http_log_length },
|
|
122 { ngx_string("apache_length"), NGX_OFF_T_LEN, ngx_http_log_apache_length },
|
24
|
123 { ngx_string("request_length"), NGX_OFF_T_LEN,
|
|
124 ngx_http_log_request_length },
|
0
|
125 { ngx_string("i"), NGX_HTTP_LOG_ARG, ngx_http_log_header_in },
|
|
126 { ngx_string("o"), NGX_HTTP_LOG_ARG, ngx_http_log_header_out },
|
|
127 { ngx_null_string, 0, NULL }
|
|
128 };
|
|
129
|
|
130
|
|
131 ngx_int_t ngx_http_log_handler(ngx_http_request_t *r)
|
|
132 {
|
|
133 ngx_uint_t i, l;
|
|
134 uintptr_t data;
|
|
135 u_char *line, *p;
|
|
136 size_t len;
|
|
137 ngx_http_log_t *log;
|
|
138 ngx_http_log_op_t *op;
|
|
139 ngx_http_log_loc_conf_t *lcf;
|
10
|
140 #if (NGX_WIN32)
|
0
|
141 u_long written;
|
|
142 #endif
|
|
143
|
|
144 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
145 "http log handler");
|
|
146
|
|
147 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
|
|
148
|
|
149 if (lcf->off) {
|
|
150 return NGX_OK;
|
|
151 }
|
|
152
|
|
153 log = lcf->logs->elts;
|
|
154 for (l = 0; l < lcf->logs->nelts; l++) {
|
|
155
|
|
156 len = 0;
|
|
157 op = log[l].ops->elts;
|
|
158 for (i = 0; i < log[l].ops->nelts; i++) {
|
|
159 if (op[i].len == 0) {
|
|
160 len += (size_t) op[i].op(r, NULL, op[i].data);
|
|
161
|
|
162 } else {
|
|
163 len += op[i].len;
|
|
164 }
|
|
165 }
|
|
166
|
10
|
167 #if (NGX_WIN32)
|
0
|
168 len += 2;
|
|
169 #else
|
|
170 len++;
|
|
171 #endif
|
|
172
|
22
|
173 if (!(line = ngx_palloc(r->pool, len))) {
|
|
174 return NGX_ERROR;
|
|
175 }
|
|
176
|
0
|
177 p = line;
|
|
178
|
|
179 for (i = 0; i < log[l].ops->nelts; i++) {
|
|
180 if (op[i].op == NGX_HTTP_LOG_COPY_SHORT) {
|
|
181 len = op[i].len;
|
|
182 data = op[i].data;
|
|
183 while (len--) {
|
|
184 *p++ = (char) (data & 0xff);
|
|
185 data >>= 8;
|
|
186 }
|
|
187
|
|
188 } else if (op[i].op == NGX_HTTP_LOG_COPY_LONG) {
|
|
189 p = ngx_cpymem(p, (void *) op[i].data, op[i].len);
|
|
190
|
|
191 } else {
|
|
192 p = op[i].op(r, p, op[i].data);
|
|
193 }
|
|
194 }
|
|
195
|
10
|
196 #if (NGX_WIN32)
|
0
|
197 *p++ = CR; *p++ = LF;
|
|
198 WriteFile(log[l].file->fd, line, p - line, &written, NULL);
|
|
199 #else
|
|
200 *p++ = LF;
|
|
201 write(log[l].file->fd, line, p - line);
|
|
202 #endif
|
|
203 }
|
|
204
|
|
205 return NGX_OK;
|
|
206 }
|
|
207
|
|
208
|
|
209 static u_char *ngx_http_log_addr(ngx_http_request_t *r, u_char *buf,
|
|
210 uintptr_t data)
|
|
211 {
|
|
212 return ngx_cpymem(buf, r->connection->addr_text.data,
|
|
213 r->connection->addr_text.len);
|
|
214 }
|
|
215
|
|
216
|
|
217 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
|
|
218 uintptr_t data)
|
|
219 {
|
4
|
220 return ngx_sprintf(buf, "%ui", r->connection->number);
|
0
|
221 }
|
|
222
|
|
223
|
|
224 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
|
|
225 uintptr_t data)
|
|
226 {
|
|
227 if (r->pipeline) {
|
|
228 *buf = 'p';
|
|
229 } else {
|
|
230 *buf = '.';
|
|
231 }
|
|
232
|
|
233 return buf + 1;
|
|
234 }
|
|
235
|
|
236
|
|
237 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
|
|
238 uintptr_t data)
|
|
239 {
|
|
240 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
|
|
241 ngx_cached_http_log_time.len);
|
|
242 }
|
|
243
|
|
244
|
|
245 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
|
|
246 uintptr_t data)
|
|
247 {
|
|
248 struct timeval tv;
|
|
249
|
|
250 ngx_gettimeofday(&tv);
|
|
251
|
4
|
252 return ngx_sprintf(buf, "%l.%03l", tv.tv_sec, tv.tv_usec / 1000);
|
0
|
253 }
|
|
254
|
|
255
|
|
256 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
|
|
257 uintptr_t data)
|
|
258 {
|
|
259 if (buf == NULL) {
|
|
260 /* find the request line length */
|
|
261 return (u_char *) r->request_line.len;
|
|
262 }
|
|
263
|
|
264 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
|
|
265 }
|
|
266
|
|
267
|
|
268 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
|
|
269 uintptr_t data)
|
|
270 {
|
4
|
271 return ngx_sprintf(buf, "%ui",
|
|
272 r->err_status ? r->err_status : r->headers_out.status);
|
0
|
273 }
|
|
274
|
|
275
|
|
276 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
|
|
277 uintptr_t data)
|
|
278 {
|
4
|
279 return ngx_sprintf(buf, "%O", r->connection->sent);
|
0
|
280 }
|
|
281
|
|
282
|
|
283 static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
|
|
284 uintptr_t data)
|
|
285 {
|
4
|
286 return ngx_sprintf(buf, "%O", r->connection->sent - r->header_size);
|
0
|
287 }
|
|
288
|
|
289
|
24
|
290 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
291 uintptr_t data)
|
|
292 {
|
|
293 return ngx_sprintf(buf, "%O", r->request_length);
|
|
294 }
|
|
295
|
|
296
|
0
|
297 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
298 uintptr_t data)
|
|
299 {
|
|
300 ngx_uint_t i;
|
|
301 ngx_str_t *s;
|
|
302 ngx_table_elt_t *h;
|
|
303 ngx_http_log_op_t *op;
|
|
304
|
|
305 if (r) {
|
|
306 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
307
|
|
308 if (h == NULL) {
|
|
309
|
|
310 /* no header */
|
|
311
|
|
312 if (buf) {
|
|
313 *buf = '-';
|
|
314 }
|
|
315
|
|
316 return buf + 1;
|
|
317 }
|
|
318
|
|
319 if (buf == NULL) {
|
|
320 /* find the header length */
|
|
321 return (u_char *) h->value.len;
|
|
322 }
|
|
323
|
|
324 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
325 }
|
|
326
|
|
327 /* find an offset while a format string compilation */
|
|
328
|
|
329 op = (ngx_http_log_op_t *) buf;
|
|
330 s = (ngx_str_t *) data;
|
|
331
|
|
332 op->len = 0;
|
|
333
|
|
334 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
|
|
335 if (ngx_http_headers_in[i].name.len != s->len) {
|
|
336 continue;
|
|
337 }
|
|
338
|
|
339 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, s->data, s->len)
|
|
340 == 0)
|
|
341 {
|
|
342 op->op = ngx_http_log_header_in;
|
|
343 op->data = ngx_http_headers_in[i].offset;
|
|
344 return NULL;
|
|
345 }
|
|
346 }
|
|
347
|
|
348 op->op = ngx_http_log_unknown_header_in;
|
|
349 op->data = (uintptr_t) s;
|
|
350
|
|
351 return NULL;
|
|
352 }
|
|
353
|
|
354
|
|
355 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
|
|
356 u_char *buf, uintptr_t data)
|
|
357 {
|
|
358 ngx_uint_t i;
|
|
359 ngx_str_t *s;
|
|
360 ngx_list_part_t *part;
|
|
361 ngx_table_elt_t *h;
|
|
362
|
|
363 s = (ngx_str_t *) data;
|
|
364
|
|
365 part = &r->headers_in.headers.part;
|
|
366 h = part->elts;
|
|
367
|
|
368 for (i = 0; /* void */; i++) {
|
|
369
|
|
370 if (i >= part->nelts) {
|
|
371 if (part->next == NULL) {
|
|
372 break;
|
|
373 }
|
|
374
|
|
375 part = part->next;
|
|
376 h = part->elts;
|
|
377 i = 0;
|
|
378 }
|
|
379
|
|
380 if (h[i].key.len != s->len) {
|
|
381 continue;
|
|
382 }
|
|
383
|
|
384 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) {
|
|
385 if (buf == NULL) {
|
|
386 /* find the header length */
|
|
387 return (u_char *) h[i].value.len;
|
|
388 }
|
|
389
|
|
390 return ngx_cpymem(buf, h[i].value.data, h[i].value.len);
|
|
391 }
|
|
392 }
|
|
393
|
|
394 /* no header */
|
|
395
|
|
396 if (buf) {
|
|
397 *buf = '-';
|
|
398 }
|
|
399
|
|
400 return buf + 1;
|
|
401 }
|
|
402
|
|
403
|
|
404 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
405 uintptr_t data)
|
|
406 {
|
|
407 ngx_uint_t i;
|
|
408 ngx_str_t *s;
|
|
409 ngx_table_elt_t *h;
|
|
410 ngx_http_log_op_t *op;
|
|
411
|
|
412 if (r) {
|
|
413
|
|
414 /* run-time execution */
|
|
415
|
|
416 if (r->http_version < NGX_HTTP_VERSION_10) {
|
|
417 if (buf) {
|
|
418 *buf = '-';
|
|
419 }
|
|
420
|
|
421 return buf + 1;
|
|
422 }
|
|
423
|
|
424 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
425
|
|
426 if (h == NULL) {
|
|
427
|
|
428 /*
|
|
429 * No header pointer was found.
|
|
430 * However, some headers: "Date", "Server", "Content-Length",
|
|
431 * and "Last-Modified" have a special handling in the header filter
|
|
432 * but we do not set up their pointers in the filter because
|
|
433 * they are too seldom needed to be logged.
|
|
434 */
|
|
435
|
|
436 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
437 if (buf == NULL) {
|
|
438 return (u_char *) ngx_cached_http_time.len;
|
|
439 }
|
|
440 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
441 ngx_cached_http_time.len);
|
|
442 }
|
|
443
|
|
444 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
445 if (buf == NULL) {
|
|
446 return (u_char *) (sizeof(NGINX_VER) - 1);
|
|
447 }
|
|
448 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
449 }
|
|
450
|
|
451 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
452 if (r->headers_out.content_length_n == -1) {
|
|
453 if (buf) {
|
|
454 *buf = '-';
|
|
455 }
|
|
456 return buf + 1;
|
|
457 }
|
|
458
|
|
459 if (buf == NULL) {
|
|
460 return (u_char *) NGX_OFF_T_LEN;
|
|
461 }
|
10
|
462 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
0
|
463 }
|
|
464
|
|
465 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
466 if (r->headers_out.last_modified_time == -1) {
|
|
467 if (buf) {
|
|
468 *buf = '-';
|
|
469 }
|
|
470 return buf + 1;
|
|
471 }
|
|
472
|
|
473 if (buf == NULL) {
|
|
474 return (u_char *)
|
|
475 sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
476 }
|
4
|
477 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
0
|
478 }
|
|
479
|
|
480 if (buf) {
|
|
481 *buf = '-';
|
|
482 }
|
|
483
|
|
484 return buf + 1;
|
|
485 }
|
|
486
|
|
487 if (buf == NULL) {
|
|
488 /* find the header length */
|
|
489 return (u_char *) h->value.len;
|
|
490 }
|
|
491
|
|
492 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
493 }
|
|
494
|
|
495 /* find an offset while a format string compilation */
|
|
496
|
|
497 op = (ngx_http_log_op_t *) buf;
|
|
498 s = (ngx_str_t *) data;
|
|
499
|
|
500 op->len = 0;
|
|
501
|
|
502 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
503 if (ngx_http_headers_out[i].name.len != s->len) {
|
|
504 continue;
|
|
505 }
|
|
506
|
|
507 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, s->data, s->len)
|
|
508 == 0)
|
|
509 {
|
|
510 op->op = ngx_http_log_header_out;
|
|
511 op->data = ngx_http_headers_out[i].offset;
|
|
512 return NULL;
|
|
513 }
|
|
514 }
|
|
515
|
|
516 if (s->len == sizeof("Connection") - 1
|
|
517 && ngx_strncasecmp(s->data, "Connection", s->len) == 0)
|
|
518 {
|
|
519 op->op = ngx_http_log_connection_header_out;
|
|
520 op->data = (uintptr_t) NULL;
|
|
521 return NULL;
|
|
522 }
|
|
523
|
|
524 if (s->len == sizeof("Transfer-Encoding") - 1
|
|
525 && ngx_strncasecmp(s->data, "Transfer-Encoding", s->len) == 0) {
|
|
526 op->op = ngx_http_log_transfer_encoding_header_out;
|
|
527 op->data = (uintptr_t) NULL;
|
|
528 return NULL;
|
|
529 }
|
|
530
|
|
531 op->op = ngx_http_log_unknown_header_out;
|
|
532 op->data = (uintptr_t) s;
|
|
533
|
|
534 return NULL;
|
|
535 }
|
|
536
|
|
537
|
|
538 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
|
|
539 u_char *buf, uintptr_t data)
|
|
540 {
|
|
541 if (buf == NULL) {
|
|
542 return (u_char *) ((r->keepalive) ? sizeof("keep-alive") - 1:
|
|
543 sizeof("close") - 1);
|
|
544 }
|
|
545
|
|
546 if (r->keepalive) {
|
|
547 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
548
|
|
549 } else {
|
|
550 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
551 }
|
|
552 }
|
|
553
|
|
554
|
|
555 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
|
|
556 u_char *buf,
|
|
557 uintptr_t data)
|
|
558 {
|
|
559 if (buf == NULL) {
|
|
560 return (u_char *) ((r->chunked) ? sizeof("chunked") - 1 : 1);
|
|
561 }
|
|
562
|
|
563 if (r->chunked) {
|
|
564 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
565 }
|
|
566
|
|
567 *buf = '-';
|
|
568
|
|
569 return buf + 1;
|
|
570 }
|
|
571
|
|
572
|
|
573 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
|
|
574 u_char *buf,
|
|
575 uintptr_t data)
|
|
576 {
|
|
577 ngx_uint_t i;
|
|
578 ngx_str_t *s;
|
|
579 ngx_list_part_t *part;
|
|
580 ngx_table_elt_t *h;
|
|
581
|
|
582 s = (ngx_str_t *) data;
|
|
583
|
|
584 part = &r->headers_out.headers.part;
|
|
585 h = part->elts;
|
|
586
|
|
587 for (i = 0; /* void */; i++) {
|
|
588
|
|
589 if (i >= part->nelts) {
|
|
590 if (part->next == NULL) {
|
|
591 break;
|
|
592 }
|
|
593
|
|
594 part = part->next;
|
|
595 h = part->elts;
|
|
596 i = 0;
|
|
597 }
|
|
598
|
|
599 if (h[i].key.len != s->len) {
|
|
600 continue;
|
|
601 }
|
|
602
|
|
603 if (ngx_strncasecmp(h[i].key.data, s->data, s->len) == 0) {
|
|
604 if (buf == NULL) {
|
|
605 /* find the header length */
|
|
606 return (u_char *) h[i].value.len;
|
|
607 }
|
|
608
|
|
609 return ngx_cpymem(buf, h[i].value.data, h[i].value.len);
|
|
610 }
|
|
611 }
|
|
612
|
|
613 /* no header */
|
|
614
|
|
615 if (buf) {
|
|
616 *buf = '-';
|
|
617 }
|
|
618
|
|
619 return buf + 1;
|
|
620 }
|
|
621
|
|
622
|
|
623 static ngx_int_t ngx_http_log_pre_conf(ngx_conf_t *cf)
|
|
624 {
|
|
625 ngx_http_log_op_name_t *op;
|
|
626
|
|
627 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
628 op->op = NULL;
|
|
629
|
|
630 return NGX_OK;
|
|
631 }
|
|
632
|
|
633
|
|
634 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
635 {
|
|
636 ngx_http_log_main_conf_t *conf;
|
|
637
|
|
638 char *rc;
|
|
639 ngx_str_t *value;
|
|
640
|
|
641 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)))) {
|
|
642 return NGX_CONF_ERROR;
|
|
643 }
|
|
644
|
|
645 ngx_init_array(conf->formats, cf->pool, 5, sizeof(ngx_http_log_fmt_t),
|
|
646 NGX_CONF_ERROR);
|
|
647
|
|
648 cf->args->nelts = 0;
|
|
649
|
|
650 if (!(value = ngx_push_array(cf->args))) {
|
|
651 return NGX_CONF_ERROR;
|
|
652 }
|
|
653
|
|
654 if (!(value = ngx_push_array(cf->args))) {
|
|
655 return NGX_CONF_ERROR;
|
|
656 }
|
|
657
|
|
658 value->len = sizeof("combined") - 1;
|
|
659 value->data = (u_char *) "combined";
|
|
660
|
|
661 if (!(value = ngx_push_array(cf->args))) {
|
|
662 return NGX_CONF_ERROR;
|
|
663 }
|
|
664
|
|
665 *value = ngx_http_combined_fmt;
|
|
666
|
|
667 rc = ngx_http_log_set_format(cf, NULL, conf);
|
|
668 if (rc != NGX_CONF_OK) {
|
|
669 return NULL;
|
|
670 }
|
|
671
|
|
672 return conf;
|
|
673 }
|
|
674
|
|
675
|
|
676 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
677 {
|
|
678 ngx_http_log_loc_conf_t *conf;
|
|
679
|
|
680 if (!(conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)))) {
|
|
681 return NGX_CONF_ERROR;
|
|
682 }
|
|
683
|
|
684 return conf;
|
|
685 }
|
|
686
|
|
687
|
|
688 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
|
|
689 void *child)
|
|
690 {
|
|
691 ngx_http_log_loc_conf_t *prev = parent;
|
|
692 ngx_http_log_loc_conf_t *conf = child;
|
|
693
|
|
694 ngx_http_log_t *log;
|
|
695 ngx_http_log_fmt_t *fmt;
|
|
696 ngx_http_log_main_conf_t *lmcf;
|
|
697
|
|
698 if (conf->logs == NULL) {
|
|
699
|
|
700 if (conf->off) {
|
|
701 return NGX_CONF_OK;
|
|
702 }
|
|
703
|
|
704 if (prev->logs) {
|
|
705 conf->logs = prev->logs;
|
|
706
|
|
707 } else {
|
|
708
|
|
709 if (prev->off) {
|
|
710 conf->off = prev->off;
|
|
711 return NGX_CONF_OK;
|
|
712 }
|
|
713
|
|
714 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
715 if (conf->logs == NULL) {
|
|
716 return NGX_CONF_ERROR;
|
|
717 }
|
|
718
|
|
719 if (!(log = ngx_array_push(conf->logs))) {
|
|
720 return NGX_CONF_ERROR;
|
|
721 }
|
|
722
|
|
723 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
724 if (log->file == NULL) {
|
|
725 return NGX_CONF_ERROR;
|
|
726 }
|
|
727
|
|
728 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
729 fmt = lmcf->formats.elts;
|
|
730
|
|
731 /* the default "combined" format */
|
|
732 log->ops = fmt[0].ops;
|
|
733 }
|
|
734 }
|
|
735
|
|
736 return NGX_CONF_OK;
|
|
737 }
|
|
738
|
|
739
|
|
740 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
741 void *conf)
|
|
742 {
|
|
743 ngx_http_log_loc_conf_t *llcf = conf;
|
|
744
|
|
745 ngx_uint_t i;
|
|
746 ngx_str_t *value, name;
|
|
747 ngx_http_log_t *log;
|
|
748 ngx_http_log_fmt_t *fmt;
|
|
749 ngx_http_log_main_conf_t *lmcf;
|
|
750
|
|
751 value = cf->args->elts;
|
|
752
|
|
753 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
754 llcf->off = 1;
|
|
755 return NGX_CONF_OK;
|
|
756 }
|
|
757
|
|
758 if (llcf->logs == NULL) {
|
|
759 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
760 if (llcf->logs == NULL) {
|
|
761 return NGX_CONF_ERROR;
|
|
762 }
|
|
763 }
|
|
764
|
|
765 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
766
|
|
767 if (!(log = ngx_array_push(llcf->logs))) {
|
|
768 return NGX_CONF_ERROR;
|
|
769 }
|
|
770
|
|
771 if (!(log->file = ngx_conf_open_file(cf->cycle, &value[1]))) {
|
|
772 return NGX_CONF_ERROR;
|
|
773 }
|
|
774
|
|
775 if (cf->args->nelts == 3) {
|
|
776 name = value[2];
|
|
777 } else {
|
|
778 name.len = sizeof("combined") - 1;
|
|
779 name.data = (u_char *) "combined";
|
|
780 }
|
|
781
|
|
782 fmt = lmcf->formats.elts;
|
|
783 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
784 if (fmt[i].name.len == name.len
|
|
785 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
786 {
|
|
787 log->ops = fmt[i].ops;
|
|
788 return NGX_CONF_OK;
|
|
789 }
|
|
790 }
|
|
791
|
|
792 return NGX_CONF_OK;
|
|
793 }
|
|
794
|
|
795
|
|
796 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
797 void *conf)
|
|
798 {
|
|
799 ngx_http_log_main_conf_t *lmcf = conf;
|
|
800
|
|
801 ngx_uint_t s, f, invalid;
|
|
802 u_char *data, *p, *fname;
|
|
803 size_t i, len, fname_len;
|
|
804 ngx_str_t *value, arg, *a;
|
|
805 ngx_http_log_op_t *op;
|
|
806 ngx_http_log_fmt_t *fmt;
|
|
807 ngx_http_log_op_name_t *name;
|
|
808
|
|
809 value = cf->args->elts;
|
|
810
|
|
811 fmt = lmcf->formats.elts;
|
|
812 for (f = 0; f < lmcf->formats.nelts; f++) {
|
|
813 if (fmt[f].name.len == value[1].len
|
|
814 && ngx_strcmp(fmt->name.data, value[1].data) == 0)
|
|
815 {
|
|
816 return "duplicate \"log_format\" name";
|
|
817 }
|
|
818 }
|
|
819
|
|
820 if (!(fmt = ngx_push_array(&lmcf->formats))) {
|
|
821 return NGX_CONF_ERROR;
|
|
822 }
|
|
823
|
|
824 fmt->name = value[1];
|
|
825
|
|
826 if (!(fmt->ops = ngx_create_array(cf->pool, 20,
|
|
827 sizeof(ngx_http_log_op_t)))) {
|
|
828 return NGX_CONF_ERROR;
|
|
829 }
|
|
830
|
|
831 invalid = 0;
|
|
832 data = NULL;
|
|
833
|
|
834 for (s = 2; s < cf->args->nelts && !invalid; s++) {
|
|
835
|
|
836 i = 0;
|
|
837
|
|
838 while (i < value[s].len) {
|
|
839
|
|
840 if (!(op = ngx_push_array(fmt->ops))) {
|
|
841 return NGX_CONF_ERROR;
|
|
842 }
|
|
843
|
|
844 data = &value[s].data[i];
|
|
845
|
|
846 if (value[s].data[i] == '%') {
|
|
847 i++;
|
|
848
|
|
849 if (i == value[s].len) {
|
|
850 invalid = 1;
|
|
851 break;
|
|
852 }
|
|
853
|
|
854 if (value[s].data[i] == '{') {
|
|
855 i++;
|
|
856
|
|
857 arg.data = &value[s].data[i];
|
|
858
|
|
859 while (i < value[s].len && value[s].data[i] != '}') {
|
|
860 i++;
|
|
861 }
|
|
862
|
|
863 arg.len = &value[s].data[i] - arg.data;
|
|
864
|
|
865 if (i == value[s].len || arg.len == 0) {
|
|
866 invalid = 1;
|
|
867 break;
|
|
868 }
|
|
869
|
|
870 i++;
|
|
871
|
|
872 } else {
|
|
873 arg.len = 0;
|
|
874 }
|
|
875
|
|
876 fname = &value[s].data[i];
|
|
877
|
|
878 while (i < value[s].len
|
|
879 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
880 || value[s].data[i] == '_'))
|
|
881 {
|
|
882 i++;
|
|
883 }
|
|
884
|
|
885 fname_len = &value[s].data[i] - fname;
|
|
886
|
|
887 if (fname_len == 0) {
|
|
888 invalid = 1;
|
|
889 break;
|
|
890 }
|
|
891
|
|
892 for (name = ngx_http_log_fmt_ops; name->op; name++) {
|
|
893 if (name->name.len == 0) {
|
|
894 name = (ngx_http_log_op_name_t *) name->op;
|
|
895 }
|
|
896
|
|
897 if (name->name.len == fname_len
|
|
898 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
899 {
|
|
900 if (name->len != NGX_HTTP_LOG_ARG) {
|
|
901 if (arg.len) {
|
|
902 fname[fname_len] = '\0';
|
|
903 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
904 "\"%s\" must not have argument",
|
|
905 data);
|
|
906 return NGX_CONF_ERROR;
|
|
907 }
|
|
908
|
|
909 op->len = name->len;
|
|
910 op->op = name->op;
|
|
911 op->data = 0;
|
|
912
|
|
913 break;
|
|
914 }
|
|
915
|
|
916 if (arg.len == 0) {
|
|
917 fname[fname_len] = '\0';
|
|
918 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
919 "\"%s\" requires argument",
|
|
920 data);
|
|
921 return NGX_CONF_ERROR;
|
|
922 }
|
|
923
|
|
924 if (!(a = ngx_palloc(cf->pool, sizeof(ngx_str_t)))) {
|
|
925 return NGX_CONF_ERROR;
|
|
926 }
|
|
927
|
|
928 *a = arg;
|
|
929 name->op(NULL, (u_char *) op, (uintptr_t) a);
|
|
930
|
|
931 break;
|
|
932 }
|
|
933 }
|
|
934
|
|
935 if (name->name.len == 0) {
|
|
936 invalid = 1;
|
|
937 break;
|
|
938 }
|
|
939
|
|
940 } else {
|
|
941 i++;
|
|
942
|
|
943 while (i < value[s].len && value[s].data[i] != '%') {
|
|
944 i++;
|
|
945 }
|
|
946
|
|
947 len = &value[s].data[i] - data;
|
|
948
|
|
949 if (len) {
|
|
950
|
|
951 op->len = len;
|
|
952
|
|
953 if (len <= sizeof(uintptr_t)) {
|
|
954 op->op = NGX_HTTP_LOG_COPY_SHORT;
|
|
955 op->data = 0;
|
|
956
|
|
957 while (len--) {
|
|
958 op->data <<= 8;
|
|
959 op->data |= data[len];
|
|
960 }
|
|
961
|
|
962 } else {
|
|
963 op->op = NGX_HTTP_LOG_COPY_LONG;
|
|
964
|
|
965 if (!(p = ngx_palloc(cf->pool, len))) {
|
|
966 return NGX_CONF_ERROR;
|
|
967 }
|
|
968
|
|
969 ngx_memcpy(p, data, len);
|
|
970 op->data = (uintptr_t) p;
|
|
971 }
|
|
972 }
|
|
973 }
|
|
974 }
|
|
975 }
|
|
976
|
|
977 if (invalid) {
|
|
978 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
979 "invalid parameter \"%s\"", data);
|
|
980 return NGX_CONF_ERROR;
|
|
981 }
|
|
982
|
|
983 return NGX_CONF_OK;
|
|
984 }
|