|
118
|
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 ngx_http_log_op_t *op);
|
|
|
15 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
|
|
|
16 ngx_http_log_op_t *op);
|
|
|
17 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf,
|
|
|
18 ngx_http_log_op_t *op);
|
|
|
19 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf,
|
|
|
20 ngx_http_log_op_t *op);
|
|
|
21 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf,
|
|
|
22 ngx_http_log_op_t *op);
|
|
|
23 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
|
|
|
24 ngx_http_log_op_t *op);
|
|
|
25 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf,
|
|
|
26 ngx_http_log_op_t *op);
|
|
|
27 static u_char *ngx_http_log_length(ngx_http_request_t *r, u_char *buf,
|
|
|
28 ngx_http_log_op_t *op);
|
|
|
29 static u_char *ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
|
|
|
30 ngx_http_log_op_t *op);
|
|
|
31 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
32 ngx_http_log_op_t *op);
|
|
|
33
|
|
|
34 static size_t ngx_http_log_request_getlen(ngx_http_request_t *r,
|
|
|
35 uintptr_t data);
|
|
|
36 static u_char *ngx_http_log_request(ngx_http_request_t *r, u_char *buf,
|
|
|
37 ngx_http_log_op_t *op);
|
|
|
38
|
|
|
39 static ngx_int_t ngx_http_log_header_in_compile(ngx_conf_t *cf,
|
|
|
40 ngx_http_log_op_t *op, ngx_str_t *value);
|
|
|
41 static size_t ngx_http_log_header_in_getlen(ngx_http_request_t *r,
|
|
|
42 uintptr_t data);
|
|
|
43 static u_char *ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
44 ngx_http_log_op_t *op);
|
|
|
45 static size_t ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r,
|
|
|
46 uintptr_t data);
|
|
|
47 static u_char *ngx_http_log_unknown_header_in(ngx_http_request_t *r,
|
|
|
48 u_char *buf, ngx_http_log_op_t *op);
|
|
|
49
|
|
|
50 static ngx_int_t ngx_http_log_header_out_compile(ngx_conf_t *cf,
|
|
|
51 ngx_http_log_op_t *op, ngx_str_t *value);
|
|
|
52 static size_t ngx_http_log_header_out_getlen(ngx_http_request_t *r,
|
|
|
53 uintptr_t data);
|
|
|
54 static u_char *ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
55 ngx_http_log_op_t *op);
|
|
|
56 static size_t ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r,
|
|
|
57 uintptr_t data);
|
|
|
58 static u_char *ngx_http_log_unknown_header_out(ngx_http_request_t *r,
|
|
|
59 u_char *buf, ngx_http_log_op_t *op);
|
|
|
60
|
|
|
61 static u_char *ngx_http_log_connection_header_out(ngx_http_request_t *r,
|
|
|
62 u_char *buf, ngx_http_log_op_t *op);
|
|
|
63 static u_char *ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r,
|
|
|
64 u_char *buf, ngx_http_log_op_t *op);
|
|
|
65
|
|
|
66 static ngx_table_elt_t *ngx_http_log_unknown_header(ngx_list_t *headers,
|
|
|
67 ngx_str_t *value);
|
|
|
68
|
|
|
69 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf,
|
|
|
70 ngx_http_log_op_t *op, ngx_str_t *value);
|
|
|
71 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r,
|
|
|
72 uintptr_t data);
|
|
|
73 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf,
|
|
|
74 ngx_http_log_op_t *op);
|
|
|
75
|
|
|
76
|
|
|
77 static ngx_int_t ngx_http_log_set_formats(ngx_conf_t *cf);
|
|
|
78 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf);
|
|
|
79 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf);
|
|
|
80 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent,
|
|
|
81 void *child);
|
|
|
82 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
83 void *conf);
|
|
|
84 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
85 void *conf);
|
|
|
86 static ngx_int_t ngx_http_log_init(ngx_cycle_t *cycle);
|
|
|
87
|
|
|
88
|
|
|
89 static ngx_command_t ngx_http_log_commands[] = {
|
|
|
90
|
|
|
91 { ngx_string("log_format"),
|
|
|
92 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE,
|
|
|
93 ngx_http_log_set_format,
|
|
|
94 NGX_HTTP_MAIN_CONF_OFFSET,
|
|
|
95 0,
|
|
|
96 NULL },
|
|
|
97
|
|
|
98 { ngx_string("access_log"),
|
|
|
99 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12,
|
|
|
100 ngx_http_log_set_log,
|
|
|
101 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
102 0,
|
|
|
103 NULL },
|
|
|
104
|
|
|
105 ngx_null_command
|
|
|
106 };
|
|
|
107
|
|
|
108
|
|
|
109 ngx_http_module_t ngx_http_log_module_ctx = {
|
|
|
110 ngx_http_log_set_formats, /* preconfiguration */
|
|
|
111 NULL, /* postconfiguration */
|
|
|
112
|
|
|
113 ngx_http_log_create_main_conf, /* create main configuration */
|
|
|
114 NULL, /* init main configuration */
|
|
|
115
|
|
|
116 NULL, /* create server configuration */
|
|
|
117 NULL, /* merge server configuration */
|
|
|
118
|
|
|
119 ngx_http_log_create_loc_conf, /* create location configration */
|
|
|
120 ngx_http_log_merge_loc_conf /* merge location configration */
|
|
|
121 };
|
|
|
122
|
|
|
123
|
|
|
124 ngx_module_t ngx_http_log_module = {
|
|
|
125 NGX_MODULE_V1,
|
|
|
126 &ngx_http_log_module_ctx, /* module context */
|
|
|
127 ngx_http_log_commands, /* module directives */
|
|
|
128 NGX_HTTP_MODULE, /* module type */
|
|
|
129 NULL, /* init master */
|
|
|
130 ngx_http_log_init, /* init module */
|
|
|
131 NULL, /* init process */
|
|
|
132 NULL, /* init thread */
|
|
|
133 NULL, /* exit thread */
|
|
|
134 NULL, /* exit process */
|
|
|
135 NULL, /* exit master */
|
|
|
136 NGX_MODULE_V1_PADDING
|
|
|
137 };
|
|
|
138
|
|
|
139
|
|
|
140 static ngx_str_t http_access_log = ngx_string(NGX_HTTP_LOG_PATH);
|
|
|
141
|
|
|
142
|
|
|
143 static ngx_str_t ngx_http_combined_fmt =
|
|
|
144 #if 0
|
|
|
145 ngx_string("$remote_addr - $remote_user [%time] "
|
|
|
146 "\"$request\" %status %apache_length "
|
|
|
147 "\"$http_referer\" \"$http_user_agent\"");
|
|
|
148 #endif
|
|
|
149 ngx_string("%addr - - [%time] "
|
|
|
150 "\"%request\" %status %apache_length "
|
|
|
151 "\"%{referer}i\" \"%{user-agent}i\"");
|
|
|
152
|
|
|
153
|
|
|
154 ngx_http_log_op_name_t ngx_http_log_fmt_ops[] = {
|
|
|
155 { ngx_string("addr"), INET_ADDRSTRLEN - 1, NULL, NULL, ngx_http_log_addr },
|
|
|
156 { ngx_string("conn"), NGX_ATOMIC_T_LEN, NULL, NULL,
|
|
|
157 ngx_http_log_connection },
|
|
|
158 { ngx_string("pipe"), 1, NULL, NULL, ngx_http_log_pipe },
|
|
|
159 { ngx_string("time"), sizeof("28/Sep/1970:12:00:00 +0600") - 1,
|
|
|
160 NULL, NULL, ngx_http_log_time },
|
|
|
161 { ngx_string("msec"), NGX_TIME_T_LEN + 4, NULL, NULL, ngx_http_log_msec },
|
|
|
162 { ngx_string("request_time"), NGX_TIME_T_LEN, NULL, NULL,
|
|
|
163 ngx_http_log_request_time },
|
|
|
164 { ngx_string("status"), 3, NULL, NULL, ngx_http_log_status },
|
|
|
165 { ngx_string("length"), NGX_OFF_T_LEN, NULL, NULL, ngx_http_log_length },
|
|
|
166 { ngx_string("apache_length"), NGX_OFF_T_LEN,
|
|
|
167 NULL, NULL, ngx_http_log_apache_length },
|
|
|
168 { ngx_string("request_length"), NGX_SIZE_T_LEN,
|
|
|
169 NULL, NULL, ngx_http_log_request_length },
|
|
|
170
|
|
|
171 { ngx_string("request"), 0, NULL,
|
|
|
172 ngx_http_log_request_getlen,
|
|
|
173 ngx_http_log_request },
|
|
|
174
|
|
|
175 { ngx_string("i"), 0, ngx_http_log_header_in_compile, NULL,
|
|
|
176 ngx_http_log_header_in },
|
|
|
177 { ngx_string("o"), 0, ngx_http_log_header_out_compile, NULL,
|
|
|
178 ngx_http_log_header_out },
|
|
|
179 { ngx_string("v"), 0, ngx_http_log_variable_compile, NULL,
|
|
|
180 ngx_http_log_variable },
|
|
|
181
|
|
|
182 { ngx_null_string, 0, NULL, NULL, NULL }
|
|
|
183 };
|
|
|
184
|
|
|
185
|
|
|
186 ngx_int_t
|
|
|
187 ngx_http_log_handler(ngx_http_request_t *r)
|
|
|
188 {
|
|
|
189 ngx_uint_t i, l;
|
|
|
190 u_char *line, *p;
|
|
|
191 size_t len;
|
|
|
192 ngx_http_log_t *log;
|
|
|
193 ngx_http_log_op_t *op;
|
|
|
194 ngx_http_log_loc_conf_t *lcf;
|
|
|
195 #if (NGX_WIN32)
|
|
|
196 u_long written;
|
|
|
197 #endif
|
|
|
198
|
|
|
199 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
200 "http log handler");
|
|
|
201
|
|
|
202 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module);
|
|
|
203
|
|
|
204 if (lcf->off) {
|
|
|
205 return NGX_OK;
|
|
|
206 }
|
|
|
207
|
|
|
208 log = lcf->logs->elts;
|
|
|
209 for (l = 0; l < lcf->logs->nelts; l++) {
|
|
|
210
|
|
|
211 len = 0;
|
|
|
212 op = log[l].ops->elts;
|
|
|
213 for (i = 0; i < log[l].ops->nelts; i++) {
|
|
|
214 if (op[i].len == 0) {
|
|
|
215 len += op[i].getlen(r, op[i].data);
|
|
|
216
|
|
|
217 } else {
|
|
|
218 len += op[i].len;
|
|
|
219 }
|
|
|
220 }
|
|
|
221
|
|
|
222 #if (NGX_WIN32)
|
|
|
223 len += 2;
|
|
|
224 #else
|
|
|
225 len++;
|
|
|
226 #endif
|
|
|
227
|
|
|
228 line = ngx_palloc(r->pool, len);
|
|
|
229 if (line == NULL) {
|
|
|
230 return NGX_ERROR;
|
|
|
231 }
|
|
|
232
|
|
|
233 p = line;
|
|
|
234
|
|
|
235 for (i = 0; i < log[l].ops->nelts; i++) {
|
|
|
236 p = op[i].run(r, p, &op[i]);
|
|
|
237 }
|
|
|
238
|
|
|
239 #if (NGX_WIN32)
|
|
|
240 *p++ = CR; *p++ = LF;
|
|
|
241 WriteFile(log[l].file->fd, line, p - line, &written, NULL);
|
|
|
242 #else
|
|
|
243 *p++ = LF;
|
|
|
244 write(log[l].file->fd, line, p - line);
|
|
|
245 #endif
|
|
|
246 }
|
|
|
247
|
|
|
248 return NGX_OK;
|
|
|
249 }
|
|
|
250
|
|
|
251
|
|
|
252 static u_char *
|
|
|
253 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf,
|
|
|
254 ngx_http_log_op_t *op)
|
|
|
255 {
|
|
|
256 size_t len;
|
|
|
257 uintptr_t data;
|
|
|
258
|
|
|
259 len = op->len;
|
|
|
260 data = op->data;
|
|
|
261
|
|
|
262 while (len--) {
|
|
|
263 *buf++ = (u_char) (data & 0xff);
|
|
|
264 data >>= 8;
|
|
|
265 }
|
|
|
266
|
|
|
267 return buf;
|
|
|
268 }
|
|
|
269
|
|
|
270
|
|
|
271 static u_char *
|
|
|
272 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf,
|
|
|
273 ngx_http_log_op_t *op)
|
|
|
274 {
|
|
|
275 return ngx_cpymem(buf, (u_char *) op->data, op->len);
|
|
|
276 }
|
|
|
277
|
|
|
278
|
|
|
279 static u_char *
|
|
|
280 ngx_http_log_addr(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
281 {
|
|
|
282 return ngx_cpymem(buf, r->connection->addr_text.data,
|
|
|
283 r->connection->addr_text.len);
|
|
|
284 }
|
|
|
285
|
|
|
286
|
|
|
287 static u_char *
|
|
|
288 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf,
|
|
|
289 ngx_http_log_op_t *op)
|
|
|
290 {
|
|
|
291 return ngx_sprintf(buf, "%ui", r->connection->number);
|
|
|
292 }
|
|
|
293
|
|
|
294
|
|
|
295 static u_char *
|
|
|
296 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
297 {
|
|
|
298 if (r->pipeline) {
|
|
|
299 *buf = 'p';
|
|
|
300 } else {
|
|
|
301 *buf = '.';
|
|
|
302 }
|
|
|
303
|
|
|
304 return buf + 1;
|
|
|
305 }
|
|
|
306
|
|
|
307
|
|
|
308 static u_char *
|
|
|
309 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
310 {
|
|
|
311 return ngx_cpymem(buf, ngx_cached_http_log_time.data,
|
|
|
312 ngx_cached_http_log_time.len);
|
|
|
313 }
|
|
|
314
|
|
|
315
|
|
|
316 static u_char *
|
|
|
317 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
318 {
|
|
|
319 ngx_time_t *tp;
|
|
|
320
|
|
|
321 tp = ngx_timeofday();
|
|
|
322
|
|
|
323 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec);
|
|
|
324 }
|
|
|
325
|
|
|
326
|
|
|
327 static u_char *
|
|
|
328 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf,
|
|
|
329 ngx_http_log_op_t *op)
|
|
|
330 {
|
|
|
331 time_t elapsed;
|
|
|
332
|
|
|
333 elapsed = ngx_time() - r->start_time;
|
|
|
334
|
|
|
335 return ngx_sprintf(buf, "%T", elapsed);
|
|
|
336 }
|
|
|
337
|
|
|
338
|
|
|
339 static size_t
|
|
|
340 ngx_http_log_request_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
341 {
|
|
|
342 return r->request_line.len;
|
|
|
343 }
|
|
|
344
|
|
|
345
|
|
|
346 static u_char *
|
|
|
347 ngx_http_log_request(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
348 {
|
|
|
349 return ngx_cpymem(buf, r->request_line.data, r->request_line.len);
|
|
|
350 }
|
|
|
351
|
|
|
352
|
|
|
353 static u_char *
|
|
|
354 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
355 {
|
|
|
356 return ngx_sprintf(buf, "%ui",
|
|
|
357 r->err_status ? r->err_status : r->headers_out.status);
|
|
|
358 }
|
|
|
359
|
|
|
360
|
|
|
361 static u_char *
|
|
|
362 ngx_http_log_length(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
363 {
|
|
|
364 return ngx_sprintf(buf, "%O", r->connection->sent);
|
|
|
365 }
|
|
|
366
|
|
|
367
|
|
|
368 static u_char *
|
|
|
369 ngx_http_log_apache_length(ngx_http_request_t *r, u_char *buf,
|
|
|
370 ngx_http_log_op_t *op)
|
|
|
371 {
|
|
|
372 off_t length;
|
|
|
373
|
|
|
374 length = r->connection->sent - r->header_size;
|
|
|
375
|
|
|
376 if (length > 0) {
|
|
|
377 return ngx_sprintf(buf, "%O", length);
|
|
|
378 }
|
|
|
379
|
|
|
380 *buf = '0';
|
|
|
381
|
|
|
382 return buf + 1;
|
|
|
383 }
|
|
|
384
|
|
|
385
|
|
|
386 static u_char *
|
|
|
387 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf,
|
|
|
388 ngx_http_log_op_t *op)
|
|
|
389 {
|
|
|
390 return ngx_sprintf(buf, "%z", r->request_length);
|
|
|
391 }
|
|
|
392
|
|
|
393
|
|
|
394 static ngx_int_t
|
|
|
395 ngx_http_log_header_in_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
396 ngx_str_t *value)
|
|
|
397 {
|
|
|
398 ngx_uint_t i;
|
|
|
399
|
|
|
400 op->len = 0;
|
|
|
401
|
|
|
402 for (i = 0; ngx_http_headers_in[i].name.len != 0; i++) {
|
|
|
403
|
|
|
404 if (ngx_http_headers_in[i].name.len != value->len) {
|
|
|
405 continue;
|
|
|
406 }
|
|
|
407
|
|
|
408 /* STUB: "Cookie" speacial handling */
|
|
|
409 if (ngx_http_headers_in[i].offset == 0) {
|
|
|
410 continue;
|
|
|
411 }
|
|
|
412
|
|
|
413 if (ngx_strncasecmp(ngx_http_headers_in[i].name.data, value->data,
|
|
|
414 value->len) == 0)
|
|
|
415 {
|
|
|
416 op->getlen = ngx_http_log_header_in_getlen;
|
|
|
417 op->run = ngx_http_log_header_in;
|
|
|
418 op->data = ngx_http_headers_in[i].offset;
|
|
|
419
|
|
|
420 return NGX_OK;
|
|
|
421 }
|
|
|
422 }
|
|
|
423
|
|
|
424 op->getlen = ngx_http_log_unknown_header_in_getlen;
|
|
|
425 op->run = ngx_http_log_unknown_header_in;
|
|
|
426 op->data = (uintptr_t) value;
|
|
|
427
|
|
|
428 return NGX_OK;
|
|
|
429 }
|
|
|
430
|
|
|
431
|
|
|
432 static size_t
|
|
|
433 ngx_http_log_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
434 {
|
|
|
435 ngx_table_elt_t *h;
|
|
|
436
|
|
|
437 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + data);
|
|
|
438
|
|
|
439 if (h) {
|
|
|
440 return h->value.len;
|
|
|
441 }
|
|
|
442
|
|
|
443 return 1;
|
|
|
444 }
|
|
|
445
|
|
|
446
|
|
|
447 static u_char *
|
|
|
448 ngx_http_log_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
449 ngx_http_log_op_t *op)
|
|
|
450 {
|
|
|
451 ngx_table_elt_t *h;
|
|
|
452
|
|
|
453 h = *(ngx_table_elt_t **) ((char *) &r->headers_in + op->data);
|
|
|
454
|
|
|
455 if (h) {
|
|
|
456 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
457 }
|
|
|
458
|
|
|
459 *buf = '-';
|
|
|
460
|
|
|
461 return buf + 1;
|
|
|
462 }
|
|
|
463
|
|
|
464
|
|
|
465 static size_t
|
|
|
466 ngx_http_log_unknown_header_in_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
467 {
|
|
|
468 ngx_table_elt_t *h;
|
|
|
469
|
|
|
470 h = ngx_http_log_unknown_header(&r->headers_in.headers, (ngx_str_t *) data);
|
|
|
471
|
|
|
472 if (h) {
|
|
|
473 return h->value.len;
|
|
|
474 }
|
|
|
475
|
|
|
476 return 1;
|
|
|
477 }
|
|
|
478
|
|
|
479
|
|
|
480 static u_char *
|
|
|
481 ngx_http_log_unknown_header_in(ngx_http_request_t *r, u_char *buf,
|
|
|
482 ngx_http_log_op_t *op)
|
|
|
483 {
|
|
|
484 ngx_table_elt_t *h;
|
|
|
485
|
|
|
486 h = ngx_http_log_unknown_header(&r->headers_in.headers,
|
|
|
487 (ngx_str_t *) op->data);
|
|
|
488
|
|
|
489 if (h) {
|
|
|
490 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
491 }
|
|
|
492
|
|
|
493 *buf = '-';
|
|
|
494
|
|
|
495 return buf + 1;
|
|
|
496 }
|
|
|
497
|
|
|
498
|
|
|
499 static ngx_int_t
|
|
|
500 ngx_http_log_header_out_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
501 ngx_str_t *value)
|
|
|
502 {
|
|
|
503 ngx_uint_t i;
|
|
|
504
|
|
|
505 op->len = 0;
|
|
|
506
|
|
|
507 for (i = 0; ngx_http_headers_out[i].name.len != 0; i++) {
|
|
|
508
|
|
|
509 if (ngx_http_headers_out[i].name.len != value->len) {
|
|
|
510 continue;
|
|
|
511 }
|
|
|
512
|
|
|
513 if (ngx_strncasecmp(ngx_http_headers_out[i].name.data, value->data,
|
|
|
514 value->len) == 0)
|
|
|
515 {
|
|
|
516 op->getlen = ngx_http_log_header_out_getlen;
|
|
|
517 op->run = ngx_http_log_header_out;
|
|
|
518 op->data = ngx_http_headers_out[i].offset;
|
|
|
519
|
|
|
520 return NGX_OK;
|
|
|
521 }
|
|
|
522 }
|
|
|
523
|
|
|
524 if (value->len == sizeof("Connection") - 1
|
|
|
525 && ngx_strncasecmp(value->data, "Connection", value->len) == 0)
|
|
|
526 {
|
|
|
527 op->len = sizeof("keep-alive") - 1;
|
|
|
528 op->getlen = NULL;
|
|
|
529 op->run = ngx_http_log_connection_header_out;
|
|
|
530 op->data = 0;
|
|
|
531 return NGX_OK;
|
|
|
532 }
|
|
|
533
|
|
|
534 if (value->len == sizeof("Transfer-Encoding") - 1
|
|
|
535 && ngx_strncasecmp(value->data, "Transfer-Encoding", value->len) == 0)
|
|
|
536 {
|
|
|
537 op->len = sizeof("chunked") - 1;
|
|
|
538 op->getlen = NULL;
|
|
|
539 op->run = ngx_http_log_transfer_encoding_header_out;
|
|
|
540 op->data = 0;
|
|
|
541 return NGX_OK;
|
|
|
542 }
|
|
|
543
|
|
|
544 op->getlen = ngx_http_log_unknown_header_out_getlen;
|
|
|
545 op->run = ngx_http_log_unknown_header_out;
|
|
|
546 op->data = (uintptr_t) value;
|
|
|
547
|
|
|
548 return NGX_OK;
|
|
|
549 }
|
|
|
550
|
|
|
551
|
|
|
552 static size_t
|
|
|
553 ngx_http_log_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
554 {
|
|
|
555 ngx_table_elt_t *h;
|
|
|
556
|
|
|
557 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + data);
|
|
|
558
|
|
|
559 if (h) {
|
|
|
560 return h->value.len;
|
|
|
561 }
|
|
|
562
|
|
|
563 /*
|
|
|
564 * No header pointer was found.
|
|
|
565 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
566 * and "Last-Modified" have a special handling in the header filter,
|
|
|
567 * but we do not set up their pointers in the filter,
|
|
|
568 * because they are too seldom needed to be logged.
|
|
|
569 */
|
|
|
570
|
|
|
571 if (data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
572 return ngx_cached_http_time.len;
|
|
|
573 }
|
|
|
574
|
|
|
575 if (data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
576 return (sizeof(NGINX_VER) - 1);
|
|
|
577 }
|
|
|
578
|
|
|
579 if (data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
580 if (r->headers_out.content_length_n == -1) {
|
|
|
581 return 1;
|
|
|
582 }
|
|
|
583
|
|
|
584 return NGX_OFF_T_LEN;
|
|
|
585 }
|
|
|
586
|
|
|
587 if (data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
588 if (r->headers_out.last_modified_time == -1) {
|
|
|
589 return 1;
|
|
|
590 }
|
|
|
591
|
|
|
592 return sizeof("Mon, 28 Sep 1970 06:00:00 GMT") - 1;
|
|
|
593 }
|
|
|
594
|
|
|
595 return 1;
|
|
|
596 }
|
|
|
597
|
|
|
598
|
|
|
599 static u_char *
|
|
|
600 ngx_http_log_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
601 ngx_http_log_op_t *op)
|
|
|
602 {
|
|
|
603 ngx_table_elt_t *h;
|
|
|
604
|
|
|
605 h = *(ngx_table_elt_t **) ((char *) &r->headers_out + op->data);
|
|
|
606
|
|
|
607 if (h) {
|
|
|
608 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
609 }
|
|
|
610
|
|
|
611 /*
|
|
|
612 * No header pointer was found.
|
|
|
613 * However, some headers: "Date", "Server", "Content-Length",
|
|
|
614 * and "Last-Modified" have a special handling in the header filter,
|
|
|
615 * but we do not set up their pointers in the filter,
|
|
|
616 * because they are too seldom needed to be logged.
|
|
|
617 */
|
|
|
618
|
|
|
619 if (op->data == offsetof(ngx_http_headers_out_t, date)) {
|
|
|
620 return ngx_cpymem(buf, ngx_cached_http_time.data,
|
|
|
621 ngx_cached_http_time.len);
|
|
|
622 }
|
|
|
623
|
|
|
624 if (op->data == offsetof(ngx_http_headers_out_t, server)) {
|
|
|
625 return ngx_cpymem(buf, NGINX_VER, sizeof(NGINX_VER) - 1);
|
|
|
626 }
|
|
|
627
|
|
|
628 if (op->data == offsetof(ngx_http_headers_out_t, content_length)) {
|
|
|
629 if (r->headers_out.content_length_n == -1) {
|
|
|
630 *buf = '-';
|
|
|
631
|
|
|
632 return buf + 1;
|
|
|
633 }
|
|
|
634
|
|
|
635 return ngx_sprintf(buf, "%O", r->headers_out.content_length_n);
|
|
|
636 }
|
|
|
637
|
|
|
638 if (op->data == offsetof(ngx_http_headers_out_t, last_modified)) {
|
|
|
639 if (r->headers_out.last_modified_time == -1) {
|
|
|
640 *buf = '-';
|
|
|
641
|
|
|
642 return buf + 1;
|
|
|
643 }
|
|
|
644
|
|
|
645 return ngx_http_time(buf, r->headers_out.last_modified_time);
|
|
|
646 }
|
|
|
647
|
|
|
648 *buf = '-';
|
|
|
649
|
|
|
650 return buf + 1;
|
|
|
651 }
|
|
|
652
|
|
|
653
|
|
|
654 static size_t
|
|
|
655 ngx_http_log_unknown_header_out_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
656 {
|
|
|
657 ngx_table_elt_t *h;
|
|
|
658
|
|
|
659 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
660 (ngx_str_t *) data);
|
|
|
661
|
|
|
662 if (h) {
|
|
|
663 return h->value.len;
|
|
|
664 }
|
|
|
665
|
|
|
666 return 1;
|
|
|
667 }
|
|
|
668
|
|
|
669
|
|
|
670 static u_char *
|
|
|
671 ngx_http_log_unknown_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
672 ngx_http_log_op_t *op)
|
|
|
673 {
|
|
|
674 ngx_table_elt_t *h;
|
|
|
675
|
|
|
676 h = ngx_http_log_unknown_header(&r->headers_out.headers,
|
|
|
677 (ngx_str_t *) op->data);
|
|
|
678
|
|
|
679 if (h) {
|
|
|
680 return ngx_cpymem(buf, h->value.data, h->value.len);
|
|
|
681 }
|
|
|
682
|
|
|
683 *buf = '-';
|
|
|
684
|
|
|
685 return buf + 1;
|
|
|
686 }
|
|
|
687
|
|
|
688
|
|
|
689 static ngx_table_elt_t *
|
|
|
690 ngx_http_log_unknown_header(ngx_list_t *headers, ngx_str_t *value)
|
|
|
691 {
|
|
|
692 ngx_uint_t i;
|
|
|
693 ngx_list_part_t *part;
|
|
|
694 ngx_table_elt_t *h;
|
|
|
695
|
|
|
696 part = &headers->part;
|
|
|
697 h = part->elts;
|
|
|
698
|
|
|
699 for (i = 0; /* void */; i++) {
|
|
|
700
|
|
|
701 if (i >= part->nelts) {
|
|
|
702 if (part->next == NULL) {
|
|
|
703 break;
|
|
|
704 }
|
|
|
705
|
|
|
706 part = part->next;
|
|
|
707 h = part->elts;
|
|
|
708 i = 0;
|
|
|
709 }
|
|
|
710
|
|
|
711 if (h[i].key.len != value->len) {
|
|
|
712 continue;
|
|
|
713 }
|
|
|
714
|
|
|
715 if (ngx_strncasecmp(h[i].key.data, value->data, value->len) == 0) {
|
|
|
716 return &h[i];
|
|
|
717 }
|
|
|
718 }
|
|
|
719
|
|
|
720 return NULL;
|
|
|
721 }
|
|
|
722
|
|
|
723
|
|
|
724 static u_char *
|
|
|
725 ngx_http_log_connection_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
726 ngx_http_log_op_t *op)
|
|
|
727 {
|
|
|
728 if (r->keepalive) {
|
|
|
729 return ngx_cpymem(buf, "keep-alive", sizeof("keep-alive") - 1);
|
|
|
730
|
|
|
731 } else {
|
|
|
732 return ngx_cpymem(buf, "close", sizeof("close") - 1);
|
|
|
733 }
|
|
|
734 }
|
|
|
735
|
|
|
736
|
|
|
737 static u_char *
|
|
|
738 ngx_http_log_transfer_encoding_header_out(ngx_http_request_t *r, u_char *buf,
|
|
|
739 ngx_http_log_op_t *op)
|
|
|
740 {
|
|
|
741 if (r->chunked) {
|
|
|
742 return ngx_cpymem(buf, "chunked", sizeof("chunked") - 1);
|
|
|
743 }
|
|
|
744
|
|
|
745 *buf = '-';
|
|
|
746
|
|
|
747 return buf + 1;
|
|
|
748 }
|
|
|
749
|
|
|
750
|
|
|
751 static ngx_int_t
|
|
|
752 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op,
|
|
|
753 ngx_str_t *value)
|
|
|
754 {
|
|
|
755 ngx_int_t index;
|
|
|
756
|
|
|
757 index = ngx_http_get_variable_index(cf, value);
|
|
|
758 if (index == NGX_ERROR) {
|
|
|
759 return NGX_ERROR;
|
|
|
760 }
|
|
|
761
|
|
|
762 op->len = 0;
|
|
|
763 op->getlen = ngx_http_log_variable_getlen;
|
|
|
764 op->run = ngx_http_log_variable;
|
|
|
765 op->data = index;
|
|
|
766
|
|
|
767 return NGX_OK;
|
|
|
768 }
|
|
|
769
|
|
|
770
|
|
|
771 static size_t
|
|
|
772 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data)
|
|
|
773 {
|
|
|
774 ngx_http_variable_value_t *value;
|
|
|
775
|
|
|
776 value = ngx_http_get_indexed_variable(r, data);
|
|
|
777
|
|
|
778 if (value == NULL
|
|
|
779 || value == NGX_HTTP_VAR_NOT_FOUND
|
|
|
780 || value->text.len == 0)
|
|
|
781 {
|
|
|
782 return 1;
|
|
|
783 }
|
|
|
784
|
|
|
785 return value->text.len;
|
|
|
786 }
|
|
|
787
|
|
|
788
|
|
|
789 static u_char *
|
|
|
790 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op)
|
|
|
791 {
|
|
|
792 ngx_http_variable_value_t *value;
|
|
|
793
|
|
|
794 value = ngx_http_get_indexed_variable(r, op->data);
|
|
|
795
|
|
|
796 if (value == NULL
|
|
|
797 || value == NGX_HTTP_VAR_NOT_FOUND
|
|
|
798 || value->text.len == 0)
|
|
|
799 {
|
|
|
800 *buf = '-';
|
|
|
801 return buf + 1;
|
|
|
802 }
|
|
|
803
|
|
|
804 return ngx_cpymem(buf, value->text.data, value->text.len);
|
|
|
805 }
|
|
|
806
|
|
|
807
|
|
|
808 static ngx_int_t
|
|
|
809 ngx_http_log_set_formats(ngx_conf_t *cf)
|
|
|
810 {
|
|
|
811 ngx_http_log_op_name_t *op;
|
|
|
812
|
|
|
813 for (op = ngx_http_log_fmt_ops; op->name.len; op++) { /* void */ }
|
|
|
814 op->run = NULL;
|
|
|
815
|
|
|
816 return NGX_OK;
|
|
|
817 }
|
|
|
818
|
|
|
819
|
|
|
820 static void *
|
|
|
821 ngx_http_log_create_main_conf(ngx_conf_t *cf)
|
|
|
822 {
|
|
|
823 ngx_http_log_main_conf_t *conf;
|
|
|
824
|
|
|
825 char *rc;
|
|
|
826 ngx_str_t *value;
|
|
|
827
|
|
|
828 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t));
|
|
|
829 if (conf == NULL) {
|
|
|
830 return NGX_CONF_ERROR;
|
|
|
831 }
|
|
|
832
|
|
|
833 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t))
|
|
|
834 == NGX_ERROR)
|
|
|
835 {
|
|
|
836 return NGX_CONF_ERROR;
|
|
|
837 }
|
|
|
838
|
|
|
839 cf->args->nelts = 0;
|
|
|
840
|
|
|
841 value = ngx_array_push(cf->args);
|
|
|
842 if (value == NULL) {
|
|
|
843 return NGX_CONF_ERROR;
|
|
|
844 }
|
|
|
845
|
|
|
846 value->len = 0;
|
|
|
847 value->data = NULL;
|
|
|
848
|
|
|
849 value = ngx_array_push(cf->args);
|
|
|
850 if (value == NULL) {
|
|
|
851 return NGX_CONF_ERROR;
|
|
|
852 }
|
|
|
853
|
|
|
854 value->len = sizeof("combined") - 1;
|
|
|
855 value->data = (u_char *) "combined";
|
|
|
856
|
|
|
857 value = ngx_array_push(cf->args);
|
|
|
858 if (value == NULL) {
|
|
|
859 return NGX_CONF_ERROR;
|
|
|
860 }
|
|
|
861
|
|
|
862 *value = ngx_http_combined_fmt;
|
|
|
863
|
|
|
864 rc = ngx_http_log_set_format(cf, NULL, conf);
|
|
|
865 if (rc != NGX_CONF_OK) {
|
|
|
866 return NGX_CONF_ERROR;
|
|
|
867 }
|
|
|
868
|
|
|
869 return conf;
|
|
|
870 }
|
|
|
871
|
|
|
872
|
|
|
873 static void *
|
|
|
874 ngx_http_log_create_loc_conf(ngx_conf_t *cf)
|
|
|
875 {
|
|
|
876 ngx_http_log_loc_conf_t *conf;
|
|
|
877
|
|
|
878 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t));
|
|
|
879 if (conf == NULL) {
|
|
|
880 return NGX_CONF_ERROR;
|
|
|
881 }
|
|
|
882
|
|
|
883 return conf;
|
|
|
884 }
|
|
|
885
|
|
|
886
|
|
|
887 static char *
|
|
|
888 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
889 {
|
|
|
890 ngx_http_log_loc_conf_t *prev = parent;
|
|
|
891 ngx_http_log_loc_conf_t *conf = child;
|
|
|
892
|
|
|
893 ngx_http_log_t *log;
|
|
|
894 ngx_http_log_fmt_t *fmt;
|
|
|
895 ngx_http_log_main_conf_t *lmcf;
|
|
|
896
|
|
|
897 if (conf->logs == NULL) {
|
|
|
898
|
|
|
899 if (conf->off) {
|
|
|
900 return NGX_CONF_OK;
|
|
|
901 }
|
|
|
902
|
|
|
903 if (prev->logs) {
|
|
|
904 conf->logs = prev->logs;
|
|
|
905
|
|
|
906 } else {
|
|
|
907
|
|
|
908 if (prev->off) {
|
|
|
909 conf->off = prev->off;
|
|
|
910 return NGX_CONF_OK;
|
|
|
911 }
|
|
|
912
|
|
|
913 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
914 if (conf->logs == NULL) {
|
|
|
915 return NGX_CONF_ERROR;
|
|
|
916 }
|
|
|
917
|
|
|
918 log = ngx_array_push(conf->logs);
|
|
|
919 if (log == NULL) {
|
|
|
920 return NGX_CONF_ERROR;
|
|
|
921 }
|
|
|
922
|
|
|
923 log->file = ngx_conf_open_file(cf->cycle, &http_access_log);
|
|
|
924 if (log->file == NULL) {
|
|
|
925 return NGX_CONF_ERROR;
|
|
|
926 }
|
|
|
927
|
|
|
928 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
929 fmt = lmcf->formats.elts;
|
|
|
930
|
|
|
931 /* the default "combined" format */
|
|
|
932 log->ops = fmt[0].ops;
|
|
|
933 }
|
|
|
934 }
|
|
|
935
|
|
|
936 return NGX_CONF_OK;
|
|
|
937 }
|
|
|
938
|
|
|
939
|
|
|
940 static char *
|
|
|
941 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
942 {
|
|
|
943 ngx_http_log_loc_conf_t *llcf = conf;
|
|
|
944
|
|
|
945 ngx_uint_t i;
|
|
|
946 ngx_str_t *value, name;
|
|
|
947 ngx_http_log_t *log;
|
|
|
948 ngx_http_log_fmt_t *fmt;
|
|
|
949 ngx_http_log_main_conf_t *lmcf;
|
|
|
950
|
|
|
951 value = cf->args->elts;
|
|
|
952
|
|
|
953 if (ngx_strcmp(value[1].data, "off") == 0) {
|
|
|
954 llcf->off = 1;
|
|
|
955 return NGX_CONF_OK;
|
|
|
956 }
|
|
|
957
|
|
|
958 if (llcf->logs == NULL) {
|
|
|
959 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t));
|
|
|
960 if (llcf->logs == NULL) {
|
|
|
961 return NGX_CONF_ERROR;
|
|
|
962 }
|
|
|
963 }
|
|
|
964
|
|
|
965 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module);
|
|
|
966
|
|
|
967 log = ngx_array_push(llcf->logs);
|
|
|
968 if (log == NULL) {
|
|
|
969 return NGX_CONF_ERROR;
|
|
|
970 }
|
|
|
971
|
|
|
972 log->file = ngx_conf_open_file(cf->cycle, &value[1]);
|
|
|
973 if (log->file == NULL) {
|
|
|
974 return NGX_CONF_ERROR;
|
|
|
975 }
|
|
|
976
|
|
|
977 if (cf->args->nelts == 3) {
|
|
|
978 name = value[2];
|
|
|
979 } else {
|
|
|
980 name.len = sizeof("combined") - 1;
|
|
|
981 name.data = (u_char *) "combined";
|
|
|
982 }
|
|
|
983
|
|
|
984 fmt = lmcf->formats.elts;
|
|
|
985 for (i = 0; i < lmcf->formats.nelts; i++) {
|
|
|
986 if (fmt[i].name.len == name.len
|
|
|
987 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0)
|
|
|
988 {
|
|
|
989 log->ops = fmt[i].ops;
|
|
|
990 return NGX_CONF_OK;
|
|
|
991 }
|
|
|
992 }
|
|
|
993
|
|
|
994 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
995 "unknown log format \"%V\"", &name);
|
|
|
996
|
|
|
997 return NGX_CONF_ERROR;
|
|
|
998 }
|
|
|
999
|
|
|
1000
|
|
|
1001 static char *
|
|
|
1002 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1003 {
|
|
|
1004 ngx_http_log_main_conf_t *lmcf = conf;
|
|
|
1005
|
|
|
1006 u_char *data, *p, *fname, ch;
|
|
|
1007 size_t i, len, fname_len;
|
|
|
1008 ngx_str_t *value, var, arg, *a;
|
|
|
1009 ngx_uint_t s, f, bracket;
|
|
|
1010 ngx_http_log_op_t *op;
|
|
|
1011 ngx_http_log_fmt_t *fmt;
|
|
|
1012 ngx_http_log_op_name_t *name;
|
|
|
1013
|
|
|
1014 value = cf->args->elts;
|
|
|
1015
|
|
|
1016 fmt = lmcf->formats.elts;
|
|
|
1017 for (f = 0; f < lmcf->formats.nelts; f++) {
|
|
|
1018 if (fmt[f].name.len == value[1].len
|
|
|
1019 && ngx_strcmp(fmt->name.data, value[1].data) == 0)
|
|
|
1020 {
|
|
|
1021 return "duplicate \"log_format\" name";
|
|
|
1022 }
|
|
|
1023 }
|
|
|
1024
|
|
|
1025 fmt = ngx_array_push(&lmcf->formats);
|
|
|
1026 if (fmt == NULL) {
|
|
|
1027 return NGX_CONF_ERROR;
|
|
|
1028 }
|
|
|
1029
|
|
|
1030 fmt->name = value[1];
|
|
|
1031
|
|
|
1032 fmt->ops = ngx_array_create(cf->pool, 20, sizeof(ngx_http_log_op_t));
|
|
|
1033 if (fmt->ops == NULL) {
|
|
|
1034 return NGX_CONF_ERROR;
|
|
|
1035 }
|
|
|
1036
|
|
|
1037 arg.data = NULL;
|
|
|
1038
|
|
|
1039 for (s = 2; s < cf->args->nelts; s++) {
|
|
|
1040
|
|
|
1041 i = 0;
|
|
|
1042
|
|
|
1043 while (i < value[s].len) {
|
|
|
1044
|
|
|
1045 op = ngx_array_push(fmt->ops);
|
|
|
1046 if (op == NULL) {
|
|
|
1047 return NGX_CONF_ERROR;
|
|
|
1048 }
|
|
|
1049
|
|
|
1050 data = &value[s].data[i];
|
|
|
1051
|
|
|
1052 if (value[s].data[i] == '%') {
|
|
|
1053 i++;
|
|
|
1054
|
|
|
1055 if (i == value[s].len) {
|
|
|
1056 goto invalid;
|
|
|
1057 }
|
|
|
1058
|
|
|
1059 if (value[s].data[i] == '{') {
|
|
|
1060 i++;
|
|
|
1061
|
|
|
1062 arg.data = &value[s].data[i];
|
|
|
1063
|
|
|
1064 while (i < value[s].len && value[s].data[i] != '}') {
|
|
|
1065 i++;
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 arg.len = &value[s].data[i] - arg.data;
|
|
|
1069
|
|
|
1070 if (i == value[s].len || arg.len == 0) {
|
|
|
1071 goto invalid;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 i++;
|
|
|
1075
|
|
|
1076 } else {
|
|
|
1077 arg.len = 0;
|
|
|
1078 }
|
|
|
1079
|
|
|
1080 fname = &value[s].data[i];
|
|
|
1081
|
|
|
1082 while (i < value[s].len
|
|
|
1083 && ((value[s].data[i] >= 'a' && value[s].data[i] <= 'z')
|
|
|
1084 || value[s].data[i] == '_'))
|
|
|
1085 {
|
|
|
1086 i++;
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 fname_len = &value[s].data[i] - fname;
|
|
|
1090
|
|
|
1091 if (fname_len == 0) {
|
|
|
1092 goto invalid;
|
|
|
1093 }
|
|
|
1094
|
|
|
1095 for (name = ngx_http_log_fmt_ops; name->run; name++) {
|
|
|
1096 if (name->name.len == 0) {
|
|
|
1097 name = (ngx_http_log_op_name_t *) name->run;
|
|
|
1098 }
|
|
|
1099
|
|
|
1100 if (name->name.len == fname_len
|
|
|
1101 && ngx_strncmp(name->name.data, fname, fname_len) == 0)
|
|
|
1102 {
|
|
|
1103 if (name->compile == NULL) {
|
|
|
1104 if (arg.len) {
|
|
|
1105 fname[fname_len] = '\0';
|
|
|
1106 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1107 "\"%s\" must not have argument",
|
|
|
1108 data);
|
|
|
1109 return NGX_CONF_ERROR;
|
|
|
1110 }
|
|
|
1111
|
|
|
1112 op->len = name->len;
|
|
|
1113 op->getlen = name->getlen;
|
|
|
1114 op->run = name->run;
|
|
|
1115 op->data = 0;
|
|
|
1116
|
|
|
1117 break;
|
|
|
1118 }
|
|
|
1119
|
|
|
1120 if (arg.len == 0) {
|
|
|
1121 fname[fname_len] = '\0';
|
|
|
1122 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1123 "\"%s\" requires argument",
|
|
|
1124 data);
|
|
|
1125 return NGX_CONF_ERROR;
|
|
|
1126 }
|
|
|
1127
|
|
|
1128 a = ngx_palloc(cf->pool, sizeof(ngx_str_t));
|
|
|
1129 if (a == NULL) {
|
|
|
1130 return NGX_CONF_ERROR;
|
|
|
1131 }
|
|
|
1132
|
|
|
1133 *a = arg;
|
|
|
1134 if (name->compile(cf, op, a) == NGX_ERROR) {
|
|
|
1135 return NGX_CONF_ERROR;
|
|
|
1136 }
|
|
|
1137
|
|
|
1138 break;
|
|
|
1139 }
|
|
|
1140 }
|
|
|
1141
|
|
|
1142 if (name->name.len == 0) {
|
|
|
1143 goto invalid;
|
|
|
1144 }
|
|
|
1145
|
|
|
1146 } else if (value[s].data[i] == '$') {
|
|
|
1147
|
|
|
1148 if (++i == value[s].len) {
|
|
|
1149 goto invalid;
|
|
|
1150 }
|
|
|
1151
|
|
|
1152 if (value[s].data[i] == '{') {
|
|
|
1153 bracket = 1;
|
|
|
1154
|
|
|
1155 if (++i == value[s].len) {
|
|
|
1156 goto invalid;
|
|
|
1157 }
|
|
|
1158
|
|
|
1159 var.data = &value[s].data[i];
|
|
|
1160
|
|
|
1161 } else {
|
|
|
1162 bracket = 0;
|
|
|
1163 var.data = &value[s].data[i];
|
|
|
1164 }
|
|
|
1165
|
|
|
1166 for (var.len = 0; i < value[s].len; i++, var.len++) {
|
|
|
1167 ch = value[s].data[i];
|
|
|
1168
|
|
|
1169 if (ch == '}' && bracket) {
|
|
|
1170 i++;
|
|
|
1171 bracket = 0;
|
|
|
1172 break;
|
|
|
1173 }
|
|
|
1174
|
|
|
1175 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1176 || (ch >= 'a' && ch <= 'z')
|
|
|
1177 || (ch >= '0' && ch <= '9')
|
|
|
1178 || ch == '_')
|
|
|
1179 {
|
|
|
1180 continue;
|
|
|
1181 }
|
|
|
1182
|
|
|
1183 break;
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 if (bracket) {
|
|
|
1187 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
1188 "the closing bracket in \"%V\" "
|
|
|
1189 "variable is missing", &var);
|
|
|
1190 return NGX_CONF_ERROR;
|
|
|
1191 }
|
|
|
1192
|
|
|
1193 if (var.len == 0) {
|
|
|
1194 goto invalid;
|
|
|
1195 }
|
|
|
1196
|
|
|
1197 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) {
|
|
|
1198 return NGX_CONF_ERROR;
|
|
|
1199 }
|
|
|
1200
|
|
|
1201 } else {
|
|
|
1202 i++;
|
|
|
1203
|
|
|
1204 while (i < value[s].len
|
|
|
1205 && value[s].data[i] != '$'
|
|
|
1206 && value[s].data[i] != '%')
|
|
|
1207 {
|
|
|
1208 i++;
|
|
|
1209 }
|
|
|
1210
|
|
|
1211 len = &value[s].data[i] - data;
|
|
|
1212
|
|
|
1213 if (len) {
|
|
|
1214
|
|
|
1215 op->len = len;
|
|
|
1216 op->getlen = NULL;
|
|
|
1217
|
|
|
1218 if (len <= sizeof(uintptr_t)) {
|
|
|
1219 op->run = ngx_http_log_copy_short;
|
|
|
1220 op->data = 0;
|
|
|
1221
|
|
|
1222 while (len--) {
|
|
|
1223 op->data <<= 8;
|
|
|
1224 op->data |= data[len];
|
|
|
1225 }
|
|
|
1226
|
|
|
1227 } else {
|
|
|
1228 op->run = ngx_http_log_copy_long;
|
|
|
1229
|
|
|
1230 p = ngx_palloc(cf->pool, len);
|
|
|
1231 if (p == NULL) {
|
|
|
1232 return NGX_CONF_ERROR;
|
|
|
1233 }
|
|
|
1234
|
|
|
1235 ngx_memcpy(p, data, len);
|
|
|
1236 op->data = (uintptr_t) p;
|
|
|
1237 }
|
|
|
1238 }
|
|
|
1239 }
|
|
|
1240 }
|
|
|
1241 }
|
|
|
1242
|
|
|
1243 return NGX_CONF_OK;
|
|
|
1244
|
|
|
1245 invalid:
|
|
|
1246
|
|
|
1247 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data);
|
|
|
1248
|
|
|
1249 return NGX_CONF_ERROR;
|
|
|
1250 }
|
|
|
1251
|
|
|
1252
|
|
|
1253 static ngx_int_t
|
|
|
1254 ngx_http_log_init(ngx_cycle_t *cycle)
|
|
|
1255 {
|
|
|
1256 ngx_http_core_main_conf_t *cmcf;
|
|
|
1257
|
|
|
1258 cmcf = ngx_http_cycle_get_module_main_conf(cycle, ngx_http_core_module);
|
|
|
1259
|
|
|
1260 cmcf->log_handler = ngx_http_log_handler;
|
|
|
1261
|
|
|
1262 return NGX_OK;
|
|
|
1263 }
|
