Mercurial > hg > nginx
annotate src/http/modules/ngx_http_log_module.c @ 4494:13e09cf11d4e
Disable symlinks: initialization of the "disable_symlinks" field in
ngx_open_file_info_t moved to a separate function.
This is preparation for the "from=" parameter implementation of the
"disable_symlinks" directive.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Mon, 27 Feb 2012 16:51:28 +0000 |
parents | 08713bac87fc |
children | 778ef9c3fd2d |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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11 |
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12 |
880 | 13 typedef struct ngx_http_log_op_s ngx_http_log_op_t; |
14 | |
15 typedef u_char *(*ngx_http_log_op_run_pt) (ngx_http_request_t *r, u_char *buf, | |
16 ngx_http_log_op_t *op); | |
17 | |
18 typedef size_t (*ngx_http_log_op_getlen_pt) (ngx_http_request_t *r, | |
19 uintptr_t data); | |
20 | |
21 | |
22 struct ngx_http_log_op_s { | |
23 size_t len; | |
24 ngx_http_log_op_getlen_pt getlen; | |
25 ngx_http_log_op_run_pt run; | |
26 uintptr_t data; | |
27 }; | |
28 | |
573 | 29 |
30 typedef struct { | |
31 ngx_str_t name; | |
2261 | 32 ngx_array_t *flushes; |
573 | 33 ngx_array_t *ops; /* array of ngx_http_log_op_t */ |
34 } ngx_http_log_fmt_t; | |
35 | |
657 | 36 |
573 | 37 typedef struct { |
38 ngx_array_t formats; /* array of ngx_http_log_fmt_t */ | |
39 ngx_uint_t combined_used; /* unsigned combined_used:1 */ | |
40 } ngx_http_log_main_conf_t; | |
41 | |
657 | 42 |
573 | 43 typedef struct { |
2072 | 44 ngx_array_t *lengths; |
45 ngx_array_t *values; | |
46 } ngx_http_log_script_t; | |
47 | |
48 | |
49 typedef struct { | |
573 | 50 ngx_open_file_t *file; |
2072 | 51 ngx_http_log_script_t *script; |
633 | 52 time_t disk_full_time; |
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53 time_t error_log_time; |
2261 | 54 ngx_http_log_fmt_t *format; |
573 | 55 } ngx_http_log_t; |
56 | |
657 | 57 |
573 | 58 typedef struct { |
59 ngx_array_t *logs; /* array of ngx_http_log_t */ | |
2072 | 60 |
61 ngx_open_file_cache_t *open_file_cache; | |
62 time_t open_file_cache_valid; | |
63 ngx_uint_t open_file_cache_min_uses; | |
64 | |
573 | 65 ngx_uint_t off; /* unsigned off:1 */ |
66 } ngx_http_log_loc_conf_t; | |
67 | |
68 | |
69 typedef struct { | |
70 ngx_str_t name; | |
71 size_t len; | |
72 ngx_http_log_op_run_pt run; | |
73 } ngx_http_log_var_t; | |
74 | |
75 | |
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76 static void ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, |
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77 u_char *buf, size_t len); |
2072 | 78 static ssize_t ngx_http_log_script_write(ngx_http_request_t *r, |
79 ngx_http_log_script_t *script, u_char **name, u_char *buf, size_t len); | |
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80 |
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81 static u_char *ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, |
497 | 82 ngx_http_log_op_t *op); |
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83 static u_char *ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, |
497 | 84 ngx_http_log_op_t *op); |
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85 static u_char *ngx_http_log_time(ngx_http_request_t *r, u_char *buf, |
497 | 86 ngx_http_log_op_t *op); |
3873 | 87 static u_char *ngx_http_log_iso8601(ngx_http_request_t *r, u_char *buf, |
88 ngx_http_log_op_t *op); | |
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89 static u_char *ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, |
497 | 90 ngx_http_log_op_t *op); |
91 static u_char *ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, | |
92 ngx_http_log_op_t *op); | |
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93 static u_char *ngx_http_log_status(ngx_http_request_t *r, u_char *buf, |
497 | 94 ngx_http_log_op_t *op); |
573 | 95 static u_char *ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, |
497 | 96 ngx_http_log_op_t *op); |
577 | 97 static u_char *ngx_http_log_body_bytes_sent(ngx_http_request_t *r, |
573 | 98 u_char *buf, ngx_http_log_op_t *op); |
475 | 99 static u_char *ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, |
497 | 100 ngx_http_log_op_t *op); |
479 | 101 |
501 | 102 static ngx_int_t ngx_http_log_variable_compile(ngx_conf_t *cf, |
103 ngx_http_log_op_t *op, ngx_str_t *value); | |
104 static size_t ngx_http_log_variable_getlen(ngx_http_request_t *r, | |
105 uintptr_t data); | |
106 static u_char *ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, | |
107 ngx_http_log_op_t *op); | |
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108 static uintptr_t ngx_http_log_escape(u_char *dst, u_char *src, size_t size); |
501 | 109 |
110 | |
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111 static void *ngx_http_log_create_main_conf(ngx_conf_t *cf); |
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112 static void *ngx_http_log_create_loc_conf(ngx_conf_t *cf); |
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113 static char *ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, |
497 | 114 void *child); |
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115 static char *ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, |
497 | 116 void *conf); |
176
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117 static char *ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, |
497 | 118 void *conf); |
573 | 119 static char *ngx_http_log_compile_format(ngx_conf_t *cf, |
2261 | 120 ngx_array_t *flushes, ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s); |
2072 | 121 static char *ngx_http_log_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, |
122 void *conf); | |
573 | 123 static ngx_int_t ngx_http_log_init(ngx_conf_t *cf); |
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124 |
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125 |
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126 static ngx_command_t ngx_http_log_commands[] = { |
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127 |
497 | 128 { ngx_string("log_format"), |
129 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_2MORE, | |
130 ngx_http_log_set_format, | |
131 NGX_HTTP_MAIN_CONF_OFFSET, | |
132 0, | |
133 NULL }, | |
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134 |
497 | 135 { ngx_string("access_log"), |
645 | 136 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF |
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137 |NGX_HTTP_LMT_CONF|NGX_CONF_TAKE123, |
497 | 138 ngx_http_log_set_log, |
139 NGX_HTTP_LOC_CONF_OFFSET, | |
140 0, | |
141 NULL }, | |
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142 |
2072 | 143 { ngx_string("open_log_file_cache"), |
144 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
145 ngx_http_log_open_file_cache, | |
146 NGX_HTTP_LOC_CONF_OFFSET, | |
147 0, | |
148 NULL }, | |
149 | |
497 | 150 ngx_null_command |
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151 }; |
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152 |
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153 |
667 | 154 static ngx_http_module_t ngx_http_log_module_ctx = { |
880 | 155 NULL, /* preconfiguration */ |
573 | 156 ngx_http_log_init, /* postconfiguration */ |
177
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157 |
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158 ngx_http_log_create_main_conf, /* create main configuration */ |
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159 NULL, /* init main configuration */ |
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160 |
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161 NULL, /* create server configuration */ |
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162 NULL, /* merge server configuration */ |
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163 |
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164 ngx_http_log_create_loc_conf, /* create location configration */ |
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165 ngx_http_log_merge_loc_conf /* merge location configration */ |
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166 }; |
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167 |
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168 |
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169 ngx_module_t ngx_http_log_module = { |
509 | 170 NGX_MODULE_V1, |
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171 &ngx_http_log_module_ctx, /* module context */ |
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172 ngx_http_log_commands, /* module directives */ |
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173 NGX_HTTP_MODULE, /* module type */ |
541 | 174 NULL, /* init master */ |
573 | 175 NULL, /* init module */ |
541 | 176 NULL, /* init process */ |
177 NULL, /* init thread */ | |
178 NULL, /* exit thread */ | |
179 NULL, /* exit process */ | |
180 NULL, /* exit master */ | |
181 NGX_MODULE_V1_PADDING | |
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182 }; |
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183 |
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184 |
1074 | 185 static ngx_str_t ngx_http_access_log = ngx_string(NGX_HTTP_LOG_PATH); |
573 | 186 |
187 | |
188 static ngx_str_t ngx_http_combined_fmt = | |
581 | 189 ngx_string("$remote_addr - $remote_user [$time_local] " |
577 | 190 "\"$request\" $status $body_bytes_sent " |
573 | 191 "\"$http_referer\" \"$http_user_agent\""); |
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192 |
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193 |
573 | 194 static ngx_http_log_var_t ngx_http_log_vars[] = { |
195 { ngx_string("connection"), NGX_ATOMIC_T_LEN, ngx_http_log_connection }, | |
196 { ngx_string("pipe"), 1, ngx_http_log_pipe }, | |
581 | 197 { ngx_string("time_local"), sizeof("28/Sep/1970:12:00:00 +0600") - 1, |
573 | 198 ngx_http_log_time }, |
3873 | 199 { ngx_string("time_iso8601"), sizeof("1970-09-28T12:00:00+06:00") - 1, |
200 ngx_http_log_iso8601 }, | |
573 | 201 { ngx_string("msec"), NGX_TIME_T_LEN + 4, ngx_http_log_msec }, |
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202 { ngx_string("request_time"), NGX_TIME_T_LEN + 4, |
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203 ngx_http_log_request_time }, |
573 | 204 { ngx_string("status"), 3, ngx_http_log_status }, |
205 { ngx_string("bytes_sent"), NGX_OFF_T_LEN, ngx_http_log_bytes_sent }, | |
577 | 206 { ngx_string("body_bytes_sent"), NGX_OFF_T_LEN, |
207 ngx_http_log_body_bytes_sent }, | |
573 | 208 { ngx_string("apache_bytes_sent"), NGX_OFF_T_LEN, |
577 | 209 ngx_http_log_body_bytes_sent }, |
573 | 210 { ngx_string("request_length"), NGX_SIZE_T_LEN, |
211 ngx_http_log_request_length }, | |
212 | |
213 { ngx_null_string, 0, NULL } | |
214 }; | |
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216 |
497 | 217 ngx_int_t |
218 ngx_http_log_handler(ngx_http_request_t *r) | |
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219 { |
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220 u_char *line, *p; |
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221 size_t len; |
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222 ngx_uint_t i, l; |
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223 ngx_http_log_t *log; |
571 | 224 ngx_open_file_t *file; |
176
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225 ngx_http_log_op_t *op; |
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226 ngx_http_log_loc_conf_t *lcf; |
26
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227 |
210
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228 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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229 "http log handler"); |
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230 |
99
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231 lcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); |
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232 |
427
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233 if (lcf->off) { |
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234 return NGX_OK; |
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235 } |
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236 |
176
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237 log = lcf->logs->elts; |
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238 for (l = 0; l < lcf->logs->nelts; l++) { |
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239 |
633 | 240 if (ngx_time() == log[l].disk_full_time) { |
241 | |
242 /* | |
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243 * on FreeBSD writing to a full filesystem with enabled softupdates |
633 | 244 * may block process for much longer time than writing to non-full |
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245 * filesystem, so we skip writing to a log for one second |
633 | 246 */ |
247 | |
248 continue; | |
249 } | |
250 | |
2261 | 251 ngx_http_script_flush_no_cacheable_variables(r, log[l].format->flushes); |
252 | |
176
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253 len = 0; |
2261 | 254 op = log[l].format->ops->elts; |
255 for (i = 0; i < log[l].format->ops->nelts; i++) { | |
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256 if (op[i].len == 0) { |
479 | 257 len += op[i].getlen(r, op[i].data); |
176
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258 |
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259 } else { |
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260 len += op[i].len; |
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261 } |
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262 } |
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263 |
571 | 264 len += NGX_LINEFEED_SIZE; |
265 | |
266 file = log[l].file; | |
267 | |
2072 | 268 if (file && file->buffer) { |
571 | 269 |
270 if (len > (size_t) (file->last - file->pos)) { | |
271 | |
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272 ngx_http_log_write(r, &log[l], file->buffer, |
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273 file->pos - file->buffer); |
571 | 274 |
275 file->pos = file->buffer; | |
276 } | |
277 | |
278 if (len <= (size_t) (file->last - file->pos)) { | |
279 | |
280 p = file->pos; | |
281 | |
2261 | 282 for (i = 0; i < log[l].format->ops->nelts; i++) { |
571 | 283 p = op[i].run(r, p, &op[i]); |
284 } | |
285 | |
286 ngx_linefeed(p); | |
287 | |
288 file->pos = p; | |
289 | |
290 continue; | |
291 } | |
292 } | |
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293 |
2049 | 294 line = ngx_pnalloc(r->pool, len); |
501 | 295 if (line == NULL) { |
473 | 296 return NGX_ERROR; |
297 } | |
298 | |
176
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299 p = line; |
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300 |
2261 | 301 for (i = 0; i < log[l].format->ops->nelts; i++) { |
479 | 302 p = op[i].run(r, p, &op[i]); |
176
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303 } |
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304 |
571 | 305 ngx_linefeed(p); |
306 | |
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307 ngx_http_log_write(r, &log[l], line, p - line); |
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308 } |
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309 |
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310 return NGX_OK; |
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311 } |
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312 |
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313 |
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314 static void |
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315 ngx_http_log_write(ngx_http_request_t *r, ngx_http_log_t *log, u_char *buf, |
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316 size_t len) |
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317 { |
2072 | 318 u_char *name; |
319 time_t now; | |
320 ssize_t n; | |
321 ngx_err_t err; | |
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322 |
2072 | 323 if (log->script == NULL) { |
324 name = log->file->name.data; | |
325 n = ngx_write_fd(log->file->fd, buf, len); | |
326 | |
327 } else { | |
328 name = NULL; | |
329 n = ngx_http_log_script_write(r, log->script, &name, buf, len); | |
330 } | |
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331 |
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332 if (n == (ssize_t) len) { |
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333 return; |
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334 } |
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335 |
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336 now = ngx_time(); |
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337 |
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338 if (n == -1) { |
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339 err = ngx_errno; |
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340 |
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341 if (err == NGX_ENOSPC) { |
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342 log->disk_full_time = now; |
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343 } |
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344 |
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345 if (now - log->error_log_time > 59) { |
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346 ngx_log_error(NGX_LOG_ALERT, r->connection->log, err, |
2072 | 347 ngx_write_fd_n " to \"%s\" failed", name); |
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348 |
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349 log->error_log_time = now; |
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350 } |
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351 |
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352 return; |
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353 } |
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354 |
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355 if (now - log->error_log_time > 59) { |
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356 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, |
2072 | 357 ngx_write_fd_n " to \"%s\" was incomplete: %z of %uz", |
358 name, n, len); | |
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359 |
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360 log->error_log_time = now; |
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361 } |
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362 } |
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363 |
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364 |
2072 | 365 static ssize_t |
366 ngx_http_log_script_write(ngx_http_request_t *r, ngx_http_log_script_t *script, | |
367 u_char **name, u_char *buf, size_t len) | |
368 { | |
369 size_t root; | |
370 ssize_t n; | |
371 ngx_str_t log, path; | |
372 ngx_open_file_info_t of; | |
373 ngx_http_log_loc_conf_t *llcf; | |
374 ngx_http_core_loc_conf_t *clcf; | |
375 | |
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376 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module); |
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377 |
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378 if (!r->root_tested) { |
2072 | 379 |
380 /* test root directory existance */ | |
381 | |
382 if (ngx_http_map_uri_to_path(r, &path, &root, 0) == NULL) { | |
383 /* simulate successfull logging */ | |
384 return len; | |
385 } | |
386 | |
387 path.data[root] = '\0'; | |
388 | |
389 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
390 | |
391 of.valid = clcf->open_file_cache_valid; | |
392 of.min_uses = clcf->open_file_cache_min_uses; | |
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393 of.test_dir = 1; |
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394 of.test_only = 1; |
2072 | 395 of.errors = clcf->open_file_cache_errors; |
396 of.events = clcf->open_file_cache_events; | |
4494
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397 |
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398 if (ngx_http_set_disable_symlinks(r, clcf, &path, &of) != NGX_OK) { |
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399 /* simulate successful logging */ |
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400 return len; |
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401 } |
2072 | 402 |
403 if (ngx_open_cached_file(clcf->open_file_cache, &path, &of, r->pool) | |
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404 != NGX_OK) |
2072 | 405 { |
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406 if (of.err == 0) { |
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407 /* simulate successfull logging */ |
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408 return len; |
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409 } |
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410 |
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411 ngx_log_error(NGX_LOG_ERR, r->connection->log, of.err, |
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412 "testing \"%s\" existence failed", path.data); |
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413 |
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414 /* simulate successfull logging */ |
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415 return len; |
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416 } |
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417 |
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418 if (!of.is_dir) { |
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419 ngx_log_error(NGX_LOG_ERR, r->connection->log, NGX_ENOTDIR, |
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420 "testing \"%s\" existence failed", path.data); |
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421 |
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422 /* simulate successfull logging */ |
2072 | 423 return len; |
424 } | |
425 } | |
426 | |
427 if (ngx_http_script_run(r, &log, script->lengths->elts, 1, | |
428 script->values->elts) | |
429 == NULL) | |
430 { | |
431 /* simulate successfull logging */ | |
432 return len; | |
433 } | |
434 | |
435 log.data[log.len - 1] = '\0'; | |
436 *name = log.data; | |
437 | |
438 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
439 "http log \"%s\"", log.data); | |
440 | |
441 llcf = ngx_http_get_module_loc_conf(r, ngx_http_log_module); | |
442 | |
443 ngx_memzero(&of, sizeof(ngx_open_file_info_t)); | |
444 | |
445 of.log = 1; | |
446 of.valid = llcf->open_file_cache_valid; | |
447 of.min_uses = llcf->open_file_cache_min_uses; | |
2277 | 448 of.directio = NGX_OPEN_FILE_DIRECTIO_OFF; |
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449 |
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450 if (ngx_http_set_disable_symlinks(r, clcf, &log, &of) != NGX_OK) { |
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451 /* simulate successful logging */ |
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452 return len; |
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453 } |
2072 | 454 |
455 if (ngx_open_cached_file(llcf->open_file_cache, &log, &of, r->pool) | |
456 != NGX_OK) | |
457 { | |
458 ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno, | |
2756
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459 "%s \"%s\" failed", of.failed, log.data); |
2077 | 460 /* simulate successfull logging */ |
461 return len; | |
2072 | 462 } |
463 | |
464 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
465 "http log #%d", of.fd); | |
466 | |
467 n = ngx_write_fd(of.fd, buf, len); | |
468 | |
469 return n; | |
470 } | |
471 | |
472 | |
497 | 473 static u_char * |
474 ngx_http_log_copy_short(ngx_http_request_t *r, u_char *buf, | |
475 ngx_http_log_op_t *op) | |
479 | 476 { |
477 size_t len; | |
478 uintptr_t data; | |
479 | |
480 len = op->len; | |
481 data = op->data; | |
482 | |
483 while (len--) { | |
484 *buf++ = (u_char) (data & 0xff); | |
485 data >>= 8; | |
486 } | |
487 | |
488 return buf; | |
489 } | |
490 | |
491 | |
497 | 492 static u_char * |
493 ngx_http_log_copy_long(ngx_http_request_t *r, u_char *buf, | |
494 ngx_http_log_op_t *op) | |
479 | 495 { |
496 return ngx_cpymem(buf, (u_char *) op->data, op->len); | |
497 } | |
498 | |
499 | |
497 | 500 static u_char * |
501 ngx_http_log_connection(ngx_http_request_t *r, u_char *buf, | |
502 ngx_http_log_op_t *op) | |
176
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503 { |
455 | 504 return ngx_sprintf(buf, "%ui", r->connection->number); |
176
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505 } |
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506 |
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507 |
497 | 508 static u_char * |
509 ngx_http_log_pipe(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
176
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510 { |
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511 if (r->pipeline) { |
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512 *buf = 'p'; |
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513 } else { |
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514 *buf = '.'; |
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515 } |
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516 |
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517 return buf + 1; |
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518 } |
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519 |
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520 |
497 | 521 static u_char * |
522 ngx_http_log_time(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
176
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523 { |
178
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524 return ngx_cpymem(buf, ngx_cached_http_log_time.data, |
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525 ngx_cached_http_log_time.len); |
176
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526 } |
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527 |
3873 | 528 static u_char * |
529 ngx_http_log_iso8601(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
530 { | |
531 return ngx_cpymem(buf, ngx_cached_http_log_iso8601.data, | |
532 ngx_cached_http_log_iso8601.len); | |
533 } | |
176
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534 |
497 | 535 static u_char * |
536 ngx_http_log_msec(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
409
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537 { |
563 | 538 ngx_time_t *tp; |
409
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539 |
563 | 540 tp = ngx_timeofday(); |
409
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541 |
563 | 542 return ngx_sprintf(buf, "%T.%03M", tp->sec, tp->msec); |
409
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543 } |
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544 |
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545 |
497 | 546 static u_char * |
547 ngx_http_log_request_time(ngx_http_request_t *r, u_char *buf, | |
548 ngx_http_log_op_t *op) | |
549 { | |
1179
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550 ngx_time_t *tp; |
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551 ngx_msec_int_t ms; |
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552 |
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553 tp = ngx_timeofday(); |
497 | 554 |
1640 | 555 ms = (ngx_msec_int_t) |
556 ((tp->sec - r->start_sec) * 1000 + (tp->msec - r->start_msec)); | |
3515 | 557 ms = ngx_max(ms, 0); |
497 | 558 |
1179
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559 return ngx_sprintf(buf, "%T.%03M", ms / 1000, ms % 1000); |
497 | 560 } |
561 | |
562 | |
563 static u_char * | |
564 ngx_http_log_status(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
176
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565 { |
3370
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566 ngx_uint_t status; |
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567 |
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568 if (r->err_status) { |
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569 status = r->err_status; |
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570 |
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571 } else if (r->headers_out.status) { |
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572 status = r->headers_out.status; |
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573 |
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574 } else if (r->http_version == NGX_HTTP_VERSION_9) { |
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575 *buf++ = '0'; |
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576 *buf++ = '0'; |
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577 *buf++ = '9'; |
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578 return buf; |
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579 |
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580 } else { |
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581 status = 0; |
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582 } |
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583 |
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584 return ngx_sprintf(buf, "%ui", status); |
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585 } |
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586 |
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587 |
497 | 588 static u_char * |
573 | 589 ngx_http_log_bytes_sent(ngx_http_request_t *r, u_char *buf, |
590 ngx_http_log_op_t *op) | |
176
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591 { |
455 | 592 return ngx_sprintf(buf, "%O", r->connection->sent); |
176
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593 } |
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594 |
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595 |
1271 | 596 /* |
597 * although there is a real $body_bytes_sent variable, | |
598 * this log operation code function is more optimized for logging | |
599 */ | |
600 | |
497 | 601 static u_char * |
577 | 602 ngx_http_log_body_bytes_sent(ngx_http_request_t *r, u_char *buf, |
497 | 603 ngx_http_log_op_t *op) |
210
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604 { |
497 | 605 off_t length; |
606 | |
607 length = r->connection->sent - r->header_size; | |
608 | |
609 if (length > 0) { | |
610 return ngx_sprintf(buf, "%O", length); | |
611 } | |
612 | |
613 *buf = '0'; | |
614 | |
615 return buf + 1; | |
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616 } |
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617 |
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618 |
497 | 619 static u_char * |
620 ngx_http_log_request_length(ngx_http_request_t *r, u_char *buf, | |
621 ngx_http_log_op_t *op) | |
475 | 622 { |
663 | 623 return ngx_sprintf(buf, "%O", r->request_length); |
475 | 624 } |
625 | |
626 | |
497 | 627 static ngx_int_t |
501 | 628 ngx_http_log_variable_compile(ngx_conf_t *cf, ngx_http_log_op_t *op, |
629 ngx_str_t *value) | |
630 { | |
509 | 631 ngx_int_t index; |
501 | 632 |
509 | 633 index = ngx_http_get_variable_index(cf, value); |
634 if (index == NGX_ERROR) { | |
501 | 635 return NGX_ERROR; |
636 } | |
637 | |
638 op->len = 0; | |
639 op->getlen = ngx_http_log_variable_getlen; | |
640 op->run = ngx_http_log_variable; | |
509 | 641 op->data = index; |
501 | 642 |
643 return NGX_OK; | |
644 } | |
645 | |
646 | |
647 static size_t | |
648 ngx_http_log_variable_getlen(ngx_http_request_t *r, uintptr_t data) | |
649 { | |
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650 uintptr_t len; |
501 | 651 ngx_http_variable_value_t *value; |
652 | |
653 value = ngx_http_get_indexed_variable(r, data); | |
654 | |
573 | 655 if (value == NULL || value->not_found) { |
501 | 656 return 1; |
657 } | |
658 | |
2008
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659 len = ngx_http_log_escape(NULL, value->data, value->len); |
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660 |
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661 value->escape = len ? 1 : 0; |
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662 |
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663 return value->len + len * 3; |
501 | 664 } |
665 | |
666 | |
667 static u_char * | |
668 ngx_http_log_variable(ngx_http_request_t *r, u_char *buf, ngx_http_log_op_t *op) | |
669 { | |
670 ngx_http_variable_value_t *value; | |
671 | |
672 value = ngx_http_get_indexed_variable(r, op->data); | |
673 | |
573 | 674 if (value == NULL || value->not_found) { |
501 | 675 *buf = '-'; |
676 return buf + 1; | |
677 } | |
678 | |
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679 if (value->escape == 0) { |
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680 return ngx_cpymem(buf, value->data, value->len); |
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681 |
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682 } else { |
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683 return (u_char *) ngx_http_log_escape(buf, value->data, value->len); |
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684 } |
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685 } |
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686 |
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687 |
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688 static uintptr_t |
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689 ngx_http_log_escape(u_char *dst, u_char *src, size_t size) |
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690 { |
3275 | 691 ngx_uint_t n; |
2008
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692 static u_char hex[] = "0123456789ABCDEF"; |
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693 |
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694 static uint32_t escape[] = { |
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695 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
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696 |
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697 /* ?>=< ;:98 7654 3210 /.-, +*)( '&%$ #"! */ |
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698 0x00000004, /* 0000 0000 0000 0000 0000 0000 0000 0100 */ |
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699 |
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700 /* _^]\ [ZYX WVUT SRQP ONML KJIH GFED CBA@ */ |
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701 0x10000000, /* 0001 0000 0000 0000 0000 0000 0000 0000 */ |
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702 |
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703 /* ~}| {zyx wvut srqp onml kjih gfed cba` */ |
4191
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Improved access log escaping to better protect other software.
Maxim Dounin <mdounin@mdounin.ru>
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|
704 0x80000000, /* 1000 0000 0000 0000 0000 0000 0000 0000 */ |
2008
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705 |
4191
08d8af70760c
Improved access log escaping to better protect other software.
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|
706 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
08d8af70760c
Improved access log escaping to better protect other software.
Maxim Dounin <mdounin@mdounin.ru>
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|
707 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
08d8af70760c
Improved access log escaping to better protect other software.
Maxim Dounin <mdounin@mdounin.ru>
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|
708 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
08d8af70760c
Improved access log escaping to better protect other software.
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|
709 0xffffffff, /* 1111 1111 1111 1111 1111 1111 1111 1111 */ |
2008
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710 }; |
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711 |
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712 |
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713 if (dst == NULL) { |
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714 |
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715 /* find the number of the characters to be escaped */ |
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716 |
3115 | 717 n = 0; |
2008
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718 |
3275 | 719 while (size) { |
2008
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720 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { |
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721 n++; |
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722 } |
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723 src++; |
3275 | 724 size--; |
2008
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|
725 } |
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726 |
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727 return (uintptr_t) n; |
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728 } |
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|
729 |
3275 | 730 while (size) { |
2008
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731 if (escape[*src >> 5] & (1 << (*src & 0x1f))) { |
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732 *dst++ = '\\'; |
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733 *dst++ = 'x'; |
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734 *dst++ = hex[*src >> 4]; |
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735 *dst++ = hex[*src & 0xf]; |
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736 src++; |
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737 |
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738 } else { |
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739 *dst++ = *src++; |
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740 } |
3275 | 741 size--; |
2008
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742 } |
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743 |
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|
744 return (uintptr_t) dst; |
501 | 745 } |
746 | |
747 | |
497 | 748 static void * |
749 ngx_http_log_create_main_conf(ngx_conf_t *cf) | |
176
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750 { |
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751 ngx_http_log_main_conf_t *conf; |
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752 |
573 | 753 ngx_http_log_fmt_t *fmt; |
176
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754 |
501 | 755 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_main_conf_t)); |
756 if (conf == NULL) { | |
2912
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757 return NULL; |
176
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758 } |
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759 |
497 | 760 if (ngx_array_init(&conf->formats, cf->pool, 4, sizeof(ngx_http_log_fmt_t)) |
573 | 761 != NGX_OK) |
497 | 762 { |
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763 return NULL; |
497 | 764 } |
176
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765 |
573 | 766 fmt = ngx_array_push(&conf->formats); |
767 if (fmt == NULL) { | |
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768 return NULL; |
176
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769 } |
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770 |
3516
dd1570b6f237
ngx_str_set() and ngx_str_null()
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3515
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|
771 ngx_str_set(&fmt->name, "combined"); |
176
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772 |
2261 | 773 fmt->flushes = NULL; |
774 | |
573 | 775 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); |
776 if (fmt->ops == NULL) { | |
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777 return NULL; |
176
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778 } |
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779 |
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780 return conf; |
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781 } |
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782 |
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783 |
497 | 784 static void * |
785 ngx_http_log_create_loc_conf(ngx_conf_t *cf) | |
176
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786 { |
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787 ngx_http_log_loc_conf_t *conf; |
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788 |
501 | 789 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_loc_conf_t)); |
790 if (conf == NULL) { | |
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791 return NULL; |
427
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|
792 } |
99
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793 |
2072 | 794 conf->open_file_cache = NGX_CONF_UNSET_PTR; |
795 | |
99
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796 return conf; |
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|
797 } |
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|
798 |
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|
799 |
497 | 800 static char * |
801 ngx_http_log_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
99
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802 { |
176
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803 ngx_http_log_loc_conf_t *prev = parent; |
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804 ngx_http_log_loc_conf_t *conf = child; |
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805 |
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806 ngx_http_log_t *log; |
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807 ngx_http_log_fmt_t *fmt; |
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808 ngx_http_log_main_conf_t *lmcf; |
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809 |
2072 | 810 if (conf->open_file_cache == NGX_CONF_UNSET_PTR) { |
811 | |
812 conf->open_file_cache = prev->open_file_cache; | |
813 conf->open_file_cache_valid = prev->open_file_cache_valid; | |
814 conf->open_file_cache_min_uses = prev->open_file_cache_min_uses; | |
815 | |
816 if (conf->open_file_cache == NGX_CONF_UNSET_PTR) { | |
817 conf->open_file_cache = NULL; | |
818 } | |
819 } | |
820 | |
1074 | 821 if (conf->logs || conf->off) { |
822 return NGX_CONF_OK; | |
823 } | |
427
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824 |
2078
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825 conf->logs = prev->logs; |
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826 conf->off = prev->off; |
176
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827 |
1074 | 828 if (conf->logs || conf->off) { |
829 return NGX_CONF_OK; | |
830 } | |
99
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831 |
1074 | 832 conf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); |
833 if (conf->logs == NULL) { | |
834 return NGX_CONF_ERROR; | |
835 } | |
176
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836 |
1074 | 837 log = ngx_array_push(conf->logs); |
838 if (log == NULL) { | |
839 return NGX_CONF_ERROR; | |
840 } | |
176
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841 |
1074 | 842 log->file = ngx_conf_open_file(cf->cycle, &ngx_http_access_log); |
843 if (log->file == NULL) { | |
844 return NGX_CONF_ERROR; | |
845 } | |
176
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846 |
2080
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847 log->script = NULL; |
1074 | 848 log->disk_full_time = 0; |
849 log->error_log_time = 0; | |
427
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850 |
1074 | 851 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
852 fmt = lmcf->formats.elts; | |
853 | |
854 /* the default "combined" format */ | |
2261 | 855 log->format = &fmt[0]; |
1074 | 856 lmcf->combined_used = 1; |
99
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857 |
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858 return NGX_CONF_OK; |
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859 } |
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860 |
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861 |
497 | 862 static char * |
863 ngx_http_log_set_log(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
99
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864 { |
176
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865 ngx_http_log_loc_conf_t *llcf = conf; |
99
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866 |
2072 | 867 ssize_t buf; |
868 ngx_uint_t i, n; | |
869 ngx_str_t *value, name; | |
870 ngx_http_log_t *log; | |
871 ngx_http_log_fmt_t *fmt; | |
872 ngx_http_log_main_conf_t *lmcf; | |
873 ngx_http_script_compile_t sc; | |
176
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874 |
427
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875 value = cf->args->elts; |
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876 |
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877 if (ngx_strcmp(value[1].data, "off") == 0) { |
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878 llcf->off = 1; |
3038
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879 if (cf->args->nelts == 2) { |
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880 return NGX_CONF_OK; |
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881 } |
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882 |
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883 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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884 "invalid parameter \"%V\"", &value[2]); |
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885 return NGX_CONF_ERROR; |
427
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886 } |
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887 |
176
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888 if (llcf->logs == NULL) { |
427
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889 llcf->logs = ngx_array_create(cf->pool, 2, sizeof(ngx_http_log_t)); |
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890 if (llcf->logs == NULL) { |
176
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891 return NGX_CONF_ERROR; |
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892 } |
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893 } |
99
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|
894 |
393
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diff
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|
895 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
99
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896 |
501 | 897 log = ngx_array_push(llcf->logs); |
898 if (log == NULL) { | |
176
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899 return NGX_CONF_ERROR; |
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900 } |
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901 |
2072 | 902 ngx_memzero(log, sizeof(ngx_http_log_t)); |
903 | |
904 n = ngx_http_script_variables_count(&value[1]); | |
905 | |
906 if (n == 0) { | |
907 log->file = ngx_conf_open_file(cf->cycle, &value[1]); | |
908 if (log->file == NULL) { | |
909 return NGX_CONF_ERROR; | |
910 } | |
911 | |
912 } else { | |
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
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913 if (ngx_conf_full_name(cf->cycle, &value[1], 0) != NGX_OK) { |
2072 | 914 return NGX_CONF_ERROR; |
915 } | |
916 | |
917 log->script = ngx_pcalloc(cf->pool, sizeof(ngx_http_log_script_t)); | |
918 if (log->script == NULL) { | |
919 return NGX_CONF_ERROR; | |
920 } | |
921 | |
922 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
923 | |
924 sc.cf = cf; | |
925 sc.source = &value[1]; | |
926 sc.lengths = &log->script->lengths; | |
927 sc.values = &log->script->values; | |
928 sc.variables = n; | |
929 sc.complete_lengths = 1; | |
930 sc.complete_values = 1; | |
931 | |
932 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
933 return NGX_CONF_ERROR; | |
934 } | |
176
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935 } |
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936 |
571 | 937 if (cf->args->nelts >= 3) { |
176
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938 name = value[2]; |
581 | 939 |
940 if (ngx_strcmp(name.data, "combined") == 0) { | |
941 lmcf->combined_used = 1; | |
942 } | |
943 | |
176
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944 } else { |
3516
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ngx_str_set() and ngx_str_null()
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diff
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|
945 ngx_str_set(&name, "combined"); |
573 | 946 lmcf->combined_used = 1; |
176
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947 } |
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948 |
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949 fmt = lmcf->formats.elts; |
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950 for (i = 0; i < lmcf->formats.nelts; i++) { |
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951 if (fmt[i].name.len == name.len |
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952 && ngx_strcasecmp(fmt[i].name.data, name.data) == 0) |
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953 { |
2261 | 954 log->format = &fmt[i]; |
571 | 955 goto buffer; |
176
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956 } |
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957 } |
100
7ebc8b7fb816
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diff
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|
958 |
487 | 959 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
960 "unknown log format \"%V\"", &name); | |
571 | 961 return NGX_CONF_ERROR; |
487 | 962 |
571 | 963 buffer: |
964 | |
965 if (cf->args->nelts == 4) { | |
966 if (ngx_strncmp(value[3].data, "buffer=", 7) != 0) { | |
967 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
968 "invalid parameter \"%V\"", &value[3]); | |
969 return NGX_CONF_ERROR; | |
970 } | |
971 | |
2072 | 972 if (log->script) { |
973 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
4133
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Replaced "can not" with "cannot" and "could not" in a bunch of places.
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diff
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|
974 "buffered logs cannot have variables in name"); |
2072 | 975 return NGX_CONF_ERROR; |
976 } | |
977 | |
571 | 978 name.len = value[3].len - 7; |
979 name.data = value[3].data + 7; | |
980 | |
981 buf = ngx_parse_size(&name); | |
982 | |
983 if (buf == NGX_ERROR) { | |
984 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
4327
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- Improved error message when parsing of the "buffer" parameter of the
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diff
changeset
|
985 "invalid buffer value \"%V\"", &name); |
571 | 986 return NGX_CONF_ERROR; |
987 } | |
988 | |
989 if (log->file->buffer && log->file->last - log->file->pos != buf) { | |
990 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
991 "access_log \"%V\" already defined " | |
992 "with different buffer size", &value[1]); | |
993 return NGX_CONF_ERROR; | |
994 } | |
995 | |
996 log->file->buffer = ngx_palloc(cf->pool, buf); | |
997 if (log->file->buffer == NULL) { | |
998 return NGX_CONF_ERROR; | |
999 } | |
1000 | |
1001 log->file->pos = log->file->buffer; | |
1002 log->file->last = log->file->buffer + buf; | |
1003 } | |
1004 | |
1005 return NGX_CONF_OK; | |
99
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1006 } |
176
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|
1007 |
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1008 |
497 | 1009 static char * |
1010 ngx_http_log_set_format(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
176
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1011 { |
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1012 ngx_http_log_main_conf_t *lmcf = conf; |
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1013 |
573 | 1014 ngx_str_t *value; |
1015 ngx_uint_t i; | |
1016 ngx_http_log_fmt_t *fmt; | |
176
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1017 |
4327
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- Improved error message when parsing of the "buffer" parameter of the
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diff
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|
1018 if (cf->cmd_type != NGX_HTTP_MAIN_CONF) { |
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1019 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
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1020 "the \"log_format\" directive may be used " |
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1021 "only on \"http\" level"); |
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1022 } |
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1023 |
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1024 value = cf->args->elts; |
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1025 |
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1026 fmt = lmcf->formats.elts; |
573 | 1027 for (i = 0; i < lmcf->formats.nelts; i++) { |
1028 if (fmt[i].name.len == value[1].len | |
1029 && ngx_strcmp(fmt[i].name.data, value[1].data) == 0) | |
176
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1030 { |
2036 | 1031 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
1032 "duplicate \"log_format\" name \"%V\"", | |
1033 &value[1]); | |
1034 return NGX_CONF_ERROR; | |
176
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1035 } |
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1036 } |
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1037 |
501 | 1038 fmt = ngx_array_push(&lmcf->formats); |
1039 if (fmt == NULL) { | |
176
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1040 return NGX_CONF_ERROR; |
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1041 } |
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1042 |
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1043 fmt->name = value[1]; |
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1044 |
2261 | 1045 fmt->flushes = ngx_array_create(cf->pool, 4, sizeof(ngx_int_t)); |
1046 if (fmt->flushes == NULL) { | |
1047 return NGX_CONF_ERROR; | |
1048 } | |
1049 | |
573 | 1050 fmt->ops = ngx_array_create(cf->pool, 16, sizeof(ngx_http_log_op_t)); |
501 | 1051 if (fmt->ops == NULL) { |
176
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1052 return NGX_CONF_ERROR; |
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1053 } |
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1054 |
2261 | 1055 return ngx_http_log_compile_format(cf, fmt->flushes, fmt->ops, cf->args, 2); |
573 | 1056 } |
1057 | |
176
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1058 |
573 | 1059 static char * |
2261 | 1060 ngx_http_log_compile_format(ngx_conf_t *cf, ngx_array_t *flushes, |
1061 ngx_array_t *ops, ngx_array_t *args, ngx_uint_t s) | |
573 | 1062 { |
880 | 1063 u_char *data, *p, ch; |
1064 size_t i, len; | |
1065 ngx_str_t *value, var; | |
2261 | 1066 ngx_int_t *flush; |
880 | 1067 ngx_uint_t bracket; |
1068 ngx_http_log_op_t *op; | |
1069 ngx_http_log_var_t *v; | |
573 | 1070 |
1071 value = args->elts; | |
1072 | |
1073 for ( /* void */ ; s < args->nelts; s++) { | |
176
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1074 |
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1075 i = 0; |
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1076 |
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1077 while (i < value[s].len) { |
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1078 |
573 | 1079 op = ngx_array_push(ops); |
501 | 1080 if (op == NULL) { |
176
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1081 return NGX_CONF_ERROR; |
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1082 } |
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1083 |
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1084 data = &value[s].data[i]; |
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1085 |
880 | 1086 if (value[s].data[i] == '$') { |
569 | 1087 |
1088 if (++i == value[s].len) { | |
1089 goto invalid; | |
1090 } | |
1091 | |
1092 if (value[s].data[i] == '{') { | |
1093 bracket = 1; | |
1094 | |
1095 if (++i == value[s].len) { | |
1096 goto invalid; | |
1097 } | |
1098 | |
1099 var.data = &value[s].data[i]; | |
1100 | |
1101 } else { | |
1102 bracket = 0; | |
1103 var.data = &value[s].data[i]; | |
1104 } | |
1105 | |
1106 for (var.len = 0; i < value[s].len; i++, var.len++) { | |
1107 ch = value[s].data[i]; | |
1108 | |
1109 if (ch == '}' && bracket) { | |
1110 i++; | |
1111 bracket = 0; | |
1112 break; | |
1113 } | |
1114 | |
1115 if ((ch >= 'A' && ch <= 'Z') | |
1116 || (ch >= 'a' && ch <= 'z') | |
1117 || (ch >= '0' && ch <= '9') | |
1118 || ch == '_') | |
1119 { | |
1120 continue; | |
1121 } | |
1122 | |
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1123 break; |
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1124 } |
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1125 |
569 | 1126 if (bracket) { |
1127 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1128 "the closing bracket in \"%V\" " | |
1129 "variable is missing", &var); | |
1130 return NGX_CONF_ERROR; | |
1131 } | |
1132 | |
1133 if (var.len == 0) { | |
1134 goto invalid; | |
1135 } | |
1136 | |
577 | 1137 if (ngx_strncmp(var.data, "apache_bytes_sent", 17) == 0) { |
1138 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
1139 "use \"$body_bytes_sent\" instead of " | |
1140 "\"$apache_bytes_sent\""); | |
1141 } | |
1142 | |
573 | 1143 for (v = ngx_http_log_vars; v->name.len; v++) { |
1144 | |
1145 if (v->name.len == var.len | |
1146 && ngx_strncmp(v->name.data, var.data, var.len) == 0) | |
1147 { | |
1148 op->len = v->len; | |
1149 op->getlen = NULL; | |
1150 op->run = v->run; | |
1151 op->data = 0; | |
1152 | |
1153 goto found; | |
1154 } | |
1155 } | |
1156 | |
569 | 1157 if (ngx_http_log_variable_compile(cf, op, &var) != NGX_OK) { |
1158 return NGX_CONF_ERROR; | |
1159 } | |
1160 | |
2261 | 1161 if (flushes) { |
1162 | |
1163 flush = ngx_array_push(flushes); | |
1164 if (flush == NULL) { | |
1165 return NGX_CONF_ERROR; | |
1166 } | |
1167 | |
1168 *flush = op->data; /* variable index */ | |
1169 } | |
1170 | |
573 | 1171 found: |
1172 | |
1173 continue; | |
1174 } | |
1175 | |
1176 i++; | |
176
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1177 |
880 | 1178 while (i < value[s].len && value[s].data[i] != '$') { |
573 | 1179 i++; |
1180 } | |
176
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1181 |
573 | 1182 len = &value[s].data[i] - data; |
176
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1183 |
573 | 1184 if (len) { |
176
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1185 |
573 | 1186 op->len = len; |
1187 op->getlen = NULL; | |
176
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1188 |
573 | 1189 if (len <= sizeof(uintptr_t)) { |
1190 op->run = ngx_http_log_copy_short; | |
1191 op->data = 0; | |
176
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1192 |
573 | 1193 while (len--) { |
1194 op->data <<= 8; | |
1195 op->data |= data[len]; | |
1196 } | |
1197 | |
1198 } else { | |
1199 op->run = ngx_http_log_copy_long; | |
176
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1200 |
2049 | 1201 p = ngx_pnalloc(cf->pool, len); |
573 | 1202 if (p == NULL) { |
1203 return NGX_CONF_ERROR; | |
1204 } | |
176
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1205 |
573 | 1206 ngx_memcpy(p, data, len); |
1207 op->data = (uintptr_t) p; | |
176
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1208 } |
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1209 } |
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1210 } |
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1211 } |
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1212 |
569 | 1213 return NGX_CONF_OK; |
1214 | |
1215 invalid: | |
1216 | |
1217 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%s\"", data); | |
1218 | |
1219 return NGX_CONF_ERROR; | |
1220 } | |
1221 | |
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1222 |
2072 | 1223 static char * |
1224 ngx_http_log_open_file_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
1225 { | |
1226 ngx_http_log_loc_conf_t *llcf = conf; | |
1227 | |
1228 time_t inactive, valid; | |
1229 ngx_str_t *value, s; | |
1230 ngx_int_t max, min_uses; | |
1231 ngx_uint_t i; | |
1232 | |
1233 if (llcf->open_file_cache != NGX_CONF_UNSET_PTR) { | |
1234 return "is duplicate"; | |
1235 } | |
1236 | |
1237 value = cf->args->elts; | |
1238 | |
1239 max = 0; | |
1240 inactive = 10; | |
1241 valid = 60; | |
1242 min_uses = 1; | |
1243 | |
1244 for (i = 1; i < cf->args->nelts; i++) { | |
1245 | |
1246 if (ngx_strncmp(value[i].data, "max=", 4) == 0) { | |
1247 | |
1248 max = ngx_atoi(value[i].data + 4, value[i].len - 4); | |
1249 if (max == NGX_ERROR) { | |
1250 goto failed; | |
1251 } | |
1252 | |
1253 continue; | |
1254 } | |
1255 | |
1256 if (ngx_strncmp(value[i].data, "inactive=", 9) == 0) { | |
1257 | |
1258 s.len = value[i].len - 9; | |
1259 s.data = value[i].data + 9; | |
1260 | |
1261 inactive = ngx_parse_time(&s, 1); | |
4474 | 1262 if (inactive == (time_t) NGX_ERROR) { |
2072 | 1263 goto failed; |
1264 } | |
1265 | |
1266 continue; | |
1267 } | |
1268 | |
1269 if (ngx_strncmp(value[i].data, "min_uses=", 9) == 0) { | |
1270 | |
1271 min_uses = ngx_atoi(value[i].data + 9, value[i].len - 9); | |
1272 if (min_uses == NGX_ERROR) { | |
1273 goto failed; | |
1274 } | |
1275 | |
1276 continue; | |
1277 } | |
1278 | |
1279 if (ngx_strncmp(value[i].data, "valid=", 6) == 0) { | |
1280 | |
1281 s.len = value[i].len - 6; | |
1282 s.data = value[i].data + 6; | |
1283 | |
1284 valid = ngx_parse_time(&s, 1); | |
4474 | 1285 if (valid == (time_t) NGX_ERROR) { |
2072 | 1286 goto failed; |
1287 } | |
1288 | |
1289 continue; | |
1290 } | |
1291 | |
1292 if (ngx_strcmp(value[i].data, "off") == 0) { | |
1293 | |
1294 llcf->open_file_cache = NULL; | |
1295 | |
1296 continue; | |
1297 } | |
1298 | |
1299 failed: | |
1300 | |
1301 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1302 "invalid \"open_log_file_cache\" parameter \"%V\"", | |
1303 &value[i]); | |
1304 return NGX_CONF_ERROR; | |
1305 } | |
1306 | |
1307 if (llcf->open_file_cache == NULL) { | |
1308 return NGX_CONF_OK; | |
1309 } | |
1310 | |
1311 if (max == 0) { | |
1312 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1313 "\"open_log_file_cache\" must have \"max\" parameter"); | |
1314 return NGX_CONF_ERROR; | |
1315 } | |
1316 | |
1317 llcf->open_file_cache = ngx_open_file_cache_init(cf->pool, max, inactive); | |
1318 | |
1319 if (llcf->open_file_cache) { | |
1320 | |
1321 llcf->open_file_cache_valid = valid; | |
1322 llcf->open_file_cache_min_uses = min_uses; | |
1323 | |
1324 return NGX_CONF_OK; | |
1325 } | |
1326 | |
1327 return NGX_CONF_ERROR; | |
1328 } | |
1329 | |
1330 | |
569 | 1331 static ngx_int_t |
573 | 1332 ngx_http_log_init(ngx_conf_t *cf) |
569 | 1333 { |
573 | 1334 ngx_str_t *value; |
1335 ngx_array_t a; | |
581 | 1336 ngx_http_handler_pt *h; |
573 | 1337 ngx_http_log_fmt_t *fmt; |
1338 ngx_http_log_main_conf_t *lmcf; | |
569 | 1339 ngx_http_core_main_conf_t *cmcf; |
1340 | |
573 | 1341 lmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_log_module); |
1342 | |
1343 if (lmcf->combined_used) { | |
1344 if (ngx_array_init(&a, cf->pool, 1, sizeof(ngx_str_t)) != NGX_OK) { | |
1345 return NGX_ERROR; | |
1346 } | |
1347 | |
1348 value = ngx_array_push(&a); | |
1349 if (value == NULL) { | |
1350 return NGX_ERROR; | |
1351 } | |
1352 | |
1353 *value = ngx_http_combined_fmt; | |
1354 fmt = lmcf->formats.elts; | |
1355 | |
2261 | 1356 if (ngx_http_log_compile_format(cf, NULL, fmt->ops, &a, 0) |
573 | 1357 != NGX_CONF_OK) |
1358 { | |
1359 return NGX_ERROR; | |
1360 } | |
1361 } | |
1362 | |
1363 cmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_core_module); | |
569 | 1364 |
581 | 1365 h = ngx_array_push(&cmcf->phases[NGX_HTTP_LOG_PHASE].handlers); |
1366 if (h == NULL) { | |
1367 return NGX_ERROR; | |
1368 } | |
1369 | |
1370 *h = ngx_http_log_handler; | |
569 | 1371 |
1372 return NGX_OK; | |
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1373 } |