Mercurial > hg > nginx
annotate src/core/ngx_regex.c @ 9270:3d455e37abf8 default tip
Core: PID file writing synchronization.
Now, ngx_daemon() does not call exit() in the parent process immediately,
but instead waits for the child process to signal it actually started (and
wrote the PID file if configured to). This ensures that the PID file
already exists when the parent process exits.
To make sure that signal handlers won't cause unexpected logging in the
parent process if the child process dies (for example, due to errors when
writing the PID file), ngx_init_signals() is moved to the child process.
This resolves "PID file ... not readable (yet?) after start" and "Failed
to parse PID from file..." errors as observed with systemd.
Note that the errors observed are considered to be a bug in systemd, which
isn't able to work properly with traditional Unix daemons. Still, the
workaround is implemented to make sure there will be no OS vendor patches
trying to address this.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 13 May 2024 06:13:22 +0300 |
| parents | 533bc2336df4 |
| children |
| rev | line source |
|---|---|
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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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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12 typedef struct { |
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13 ngx_flag_t pcre_jit; |
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14 ngx_list_t *studies; |
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15 } ngx_regex_conf_t; |
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18 static ngx_inline void ngx_regex_malloc_init(ngx_pool_t *pool); |
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19 static ngx_inline void ngx_regex_malloc_done(void); |
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20 |
| 7981 | 21 #if (NGX_PCRE2) |
| 22 static void * ngx_libc_cdecl ngx_regex_malloc(size_t size, void *data); | |
| 23 static void ngx_libc_cdecl ngx_regex_free(void *p, void *data); | |
| 24 #else | |
| 503 | 25 static void * ngx_libc_cdecl ngx_regex_malloc(size_t size); |
| 26 static void ngx_libc_cdecl ngx_regex_free(void *p); | |
| 7981 | 27 #endif |
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28 static void ngx_regex_cleanup(void *data); |
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30 static ngx_int_t ngx_regex_module_init(ngx_cycle_t *cycle); |
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31 |
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32 static void *ngx_regex_create_conf(ngx_cycle_t *cycle); |
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33 static char *ngx_regex_init_conf(ngx_cycle_t *cycle, void *conf); |
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34 |
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35 static char *ngx_regex_pcre_jit(ngx_conf_t *cf, void *post, void *data); |
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36 static ngx_conf_post_t ngx_regex_pcre_jit_post = { ngx_regex_pcre_jit }; |
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37 |
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38 |
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39 static ngx_command_t ngx_regex_commands[] = { |
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40 |
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41 { ngx_string("pcre_jit"), |
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42 NGX_MAIN_CONF|NGX_DIRECT_CONF|NGX_CONF_FLAG, |
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43 ngx_conf_set_flag_slot, |
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44 0, |
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45 offsetof(ngx_regex_conf_t, pcre_jit), |
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46 &ngx_regex_pcre_jit_post }, |
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47 |
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48 ngx_null_command |
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49 }; |
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50 |
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51 |
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52 static ngx_core_module_t ngx_regex_module_ctx = { |
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53 ngx_string("regex"), |
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54 ngx_regex_create_conf, |
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55 ngx_regex_init_conf |
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56 }; |
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57 |
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58 |
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59 ngx_module_t ngx_regex_module = { |
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60 NGX_MODULE_V1, |
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61 &ngx_regex_module_ctx, /* module context */ |
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62 ngx_regex_commands, /* module directives */ |
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63 NGX_CORE_MODULE, /* module type */ |
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64 NULL, /* init master */ |
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65 ngx_regex_module_init, /* init module */ |
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66 NULL, /* init process */ |
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67 NULL, /* init thread */ |
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68 NULL, /* exit thread */ |
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69 NULL, /* exit process */ |
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70 NULL, /* exit master */ |
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71 NGX_MODULE_V1_PADDING |
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72 }; |
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73 |
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74 |
| 7981 | 75 static ngx_pool_t *ngx_regex_pool; |
| 76 static ngx_list_t *ngx_regex_studies; | |
| 77 static ngx_uint_t ngx_regex_direct_alloc; | |
| 78 | |
| 79 #if (NGX_PCRE2) | |
| 80 static pcre2_compile_context *ngx_regex_compile_context; | |
| 81 static pcre2_match_data *ngx_regex_match_data; | |
| 82 static ngx_uint_t ngx_regex_match_data_size; | |
| 83 #endif | |
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84 |
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85 |
| 503 | 86 void |
| 87 ngx_regex_init(void) | |
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88 { |
| 7981 | 89 #if !(NGX_PCRE2) |
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90 pcre_malloc = ngx_regex_malloc; |
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91 pcre_free = ngx_regex_free; |
| 7981 | 92 #endif |
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93 } |
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94 |
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95 |
| 3325 | 96 static ngx_inline void |
| 97 ngx_regex_malloc_init(ngx_pool_t *pool) | |
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98 { |
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99 ngx_regex_pool = pool; |
| 7981 | 100 ngx_regex_direct_alloc = (pool == NULL) ? 1 : 0; |
| 3325 | 101 } |
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102 |
| 3325 | 103 |
| 104 static ngx_inline void | |
| 105 ngx_regex_malloc_done(void) | |
| 106 { | |
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107 ngx_regex_pool = NULL; |
| 7981 | 108 ngx_regex_direct_alloc = 0; |
| 3325 | 109 } |
| 110 | |
| 111 | |
| 7981 | 112 #if (NGX_PCRE2) |
| 113 | |
| 114 ngx_int_t | |
| 115 ngx_regex_compile(ngx_regex_compile_t *rc) | |
| 116 { | |
| 117 int n, errcode; | |
| 118 char *p; | |
| 119 u_char errstr[128]; | |
| 120 size_t erroff; | |
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121 uint32_t options; |
| 7981 | 122 pcre2_code *re; |
| 123 ngx_regex_elt_t *elt; | |
| 124 pcre2_general_context *gctx; | |
| 125 pcre2_compile_context *cctx; | |
| 126 | |
| 127 if (ngx_regex_compile_context == NULL) { | |
| 128 /* | |
| 129 * Allocate a compile context if not yet allocated. This uses | |
| 130 * direct allocations from heap, so the result can be cached | |
| 131 * even at runtime. | |
| 132 */ | |
| 133 | |
| 134 ngx_regex_malloc_init(NULL); | |
| 135 | |
| 136 gctx = pcre2_general_context_create(ngx_regex_malloc, ngx_regex_free, | |
| 137 NULL); | |
| 138 if (gctx == NULL) { | |
| 139 ngx_regex_malloc_done(); | |
| 140 goto nomem; | |
| 141 } | |
| 142 | |
| 143 cctx = pcre2_compile_context_create(gctx); | |
| 144 if (cctx == NULL) { | |
| 145 pcre2_general_context_free(gctx); | |
| 146 ngx_regex_malloc_done(); | |
| 147 goto nomem; | |
| 148 } | |
| 149 | |
| 150 ngx_regex_compile_context = cctx; | |
| 151 | |
| 152 pcre2_general_context_free(gctx); | |
| 153 ngx_regex_malloc_done(); | |
| 154 } | |
| 155 | |
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156 options = 0; |
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157 |
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158 if (rc->options & NGX_REGEX_CASELESS) { |
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159 options |= PCRE2_CASELESS; |
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160 } |
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161 |
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162 if (rc->options & NGX_REGEX_MULTILINE) { |
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|
163 options |= PCRE2_MULTILINE; |
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|
164 } |
|
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|
165 |
|
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166 if (rc->options & ~(NGX_REGEX_CASELESS|NGX_REGEX_MULTILINE)) { |
|
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167 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, |
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168 "regex \"%V\" compilation failed: invalid options", |
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169 &rc->pattern) |
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170 - rc->err.data; |
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171 return NGX_ERROR; |
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172 } |
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|
173 |
| 7981 | 174 ngx_regex_malloc_init(rc->pool); |
| 175 | |
|
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176 re = pcre2_compile(rc->pattern.data, rc->pattern.len, options, |
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|
177 &errcode, &erroff, ngx_regex_compile_context); |
| 7981 | 178 |
| 179 /* ensure that there is no current pool */ | |
| 180 ngx_regex_malloc_done(); | |
| 181 | |
| 182 if (re == NULL) { | |
| 183 pcre2_get_error_message(errcode, errstr, 128); | |
| 184 | |
| 185 if ((size_t) erroff == rc->pattern.len) { | |
| 186 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, | |
| 187 "pcre2_compile() failed: %s in \"%V\"", | |
| 188 errstr, &rc->pattern) | |
| 189 - rc->err.data; | |
| 190 | |
| 191 } else { | |
| 192 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, | |
| 193 "pcre2_compile() failed: %s in \"%V\" at \"%s\"", | |
| 194 errstr, &rc->pattern, rc->pattern.data + erroff) | |
| 195 - rc->err.data; | |
| 196 } | |
| 197 | |
| 198 return NGX_ERROR; | |
| 199 } | |
| 200 | |
| 201 rc->regex = re; | |
| 202 | |
| 203 /* do not study at runtime */ | |
| 204 | |
| 205 if (ngx_regex_studies != NULL) { | |
| 206 elt = ngx_list_push(ngx_regex_studies); | |
| 207 if (elt == NULL) { | |
| 208 goto nomem; | |
| 209 } | |
| 210 | |
| 211 elt->regex = rc->regex; | |
| 212 elt->name = rc->pattern.data; | |
| 213 } | |
| 214 | |
| 215 n = pcre2_pattern_info(re, PCRE2_INFO_CAPTURECOUNT, &rc->captures); | |
| 216 if (n < 0) { | |
| 217 p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_CAPTURECOUNT) failed: %d"; | |
| 218 goto failed; | |
| 219 } | |
| 220 | |
| 221 if (rc->captures == 0) { | |
| 222 return NGX_OK; | |
| 223 } | |
| 224 | |
| 225 n = pcre2_pattern_info(re, PCRE2_INFO_NAMECOUNT, &rc->named_captures); | |
| 226 if (n < 0) { | |
| 227 p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMECOUNT) failed: %d"; | |
| 228 goto failed; | |
| 229 } | |
| 230 | |
| 231 if (rc->named_captures == 0) { | |
| 232 return NGX_OK; | |
| 233 } | |
| 234 | |
| 235 n = pcre2_pattern_info(re, PCRE2_INFO_NAMEENTRYSIZE, &rc->name_size); | |
| 236 if (n < 0) { | |
| 237 p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMEENTRYSIZE) failed: %d"; | |
| 238 goto failed; | |
| 239 } | |
| 240 | |
| 241 n = pcre2_pattern_info(re, PCRE2_INFO_NAMETABLE, &rc->names); | |
| 242 if (n < 0) { | |
| 243 p = "pcre2_pattern_info(\"%V\", PCRE2_INFO_NAMETABLE) failed: %d"; | |
| 244 goto failed; | |
| 245 } | |
| 246 | |
| 247 return NGX_OK; | |
| 248 | |
| 249 failed: | |
| 250 | |
| 251 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, p, &rc->pattern, n) | |
| 252 - rc->err.data; | |
| 253 return NGX_ERROR; | |
| 254 | |
| 255 nomem: | |
| 256 | |
| 257 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, | |
| 258 "regex \"%V\" compilation failed: no memory", | |
| 259 &rc->pattern) | |
| 260 - rc->err.data; | |
| 261 return NGX_ERROR; | |
| 262 } | |
| 263 | |
| 264 #else | |
| 265 | |
| 3325 | 266 ngx_int_t |
| 267 ngx_regex_compile(ngx_regex_compile_t *rc) | |
| 268 { | |
|
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269 int n, erroff; |
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270 char *p; |
|
005fc2d5e84f
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|
271 pcre *re; |
|
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|
272 const char *errstr; |
|
7982
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|
273 ngx_uint_t options; |
|
4388
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changeset
|
274 ngx_regex_elt_t *elt; |
| 3325 | 275 |
|
7982
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|
276 options = 0; |
|
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|
277 |
|
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PCRE2 and PCRE binary compatibility.
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|
278 if (rc->options & NGX_REGEX_CASELESS) { |
|
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|
279 options |= PCRE_CASELESS; |
|
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|
280 } |
|
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PCRE2 and PCRE binary compatibility.
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diff
changeset
|
281 |
|
7983
d07456044b61
Core: added NGX_REGEX_MULTILINE for 3rd party modules.
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diff
changeset
|
282 if (rc->options & NGX_REGEX_MULTILINE) { |
|
d07456044b61
Core: added NGX_REGEX_MULTILINE for 3rd party modules.
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parents:
7982
diff
changeset
|
283 options |= PCRE_MULTILINE; |
|
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Core: added NGX_REGEX_MULTILINE for 3rd party modules.
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parents:
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diff
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|
284 } |
|
d07456044b61
Core: added NGX_REGEX_MULTILINE for 3rd party modules.
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parents:
7982
diff
changeset
|
285 |
|
d07456044b61
Core: added NGX_REGEX_MULTILINE for 3rd party modules.
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parents:
7982
diff
changeset
|
286 if (rc->options & ~(NGX_REGEX_CASELESS|NGX_REGEX_MULTILINE)) { |
|
7982
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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7981
diff
changeset
|
287 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
7981
diff
changeset
|
288 "regex \"%V\" compilation failed: invalid options", |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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7981
diff
changeset
|
289 &rc->pattern) |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
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diff
changeset
|
290 - rc->err.data; |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
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diff
changeset
|
291 return NGX_ERROR; |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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diff
changeset
|
292 } |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7981
diff
changeset
|
293 |
| 3325 | 294 ngx_regex_malloc_init(rc->pool); |
| 295 | |
|
7982
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
7981
diff
changeset
|
296 re = pcre_compile((const char *) rc->pattern.data, (int) options, |
|
290
87e73f067470
nginx-0.0.2-2004-03-16-10:10:12 import
Igor Sysoev <igor@sysoev.ru>
parents:
216
diff
changeset
|
297 &errstr, &erroff, NULL); |
|
195
8dee38ea9117
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parents:
diff
changeset
|
298 |
| 3325 | 299 /* ensure that there is no current pool */ |
| 300 ngx_regex_malloc_done(); | |
| 301 | |
|
195
8dee38ea9117
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parents:
diff
changeset
|
302 if (re == NULL) { |
| 3325 | 303 if ((size_t) erroff == rc->pattern.len) { |
| 304 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, | |
| 305 "pcre_compile() failed: %s in \"%V\"", | |
| 306 errstr, &rc->pattern) | |
|
7979
060bf88d2473
Core: ngx_regex.c style cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7978
diff
changeset
|
307 - rc->err.data; |
| 3325 | 308 |
|
195
8dee38ea9117
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
309 } else { |
| 3325 | 310 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, |
| 311 "pcre_compile() failed: %s in \"%V\" at \"%s\"", | |
| 312 errstr, &rc->pattern, rc->pattern.data + erroff) | |
|
7979
060bf88d2473
Core: ngx_regex.c style cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7978
diff
changeset
|
313 - rc->err.data; |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
314 } |
| 3325 | 315 |
| 316 return NGX_ERROR; | |
| 317 } | |
| 318 | |
|
4388
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
319 rc->regex = ngx_pcalloc(rc->pool, sizeof(ngx_regex_t)); |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
320 if (rc->regex == NULL) { |
|
5824
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
321 goto nomem; |
|
4388
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
322 } |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
323 |
|
4638
6e1a48bcf915
Fixed the ngx_regex.h header file compatibility with C++.
Valentin Bartenev <vbart@nginx.com>
parents:
4423
diff
changeset
|
324 rc->regex->code = re; |
|
4388
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
325 |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
326 /* do not study at runtime */ |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
327 |
|
7979
060bf88d2473
Core: ngx_regex.c style cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7978
diff
changeset
|
328 if (ngx_regex_studies != NULL) { |
|
060bf88d2473
Core: ngx_regex.c style cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7978
diff
changeset
|
329 elt = ngx_list_push(ngx_regex_studies); |
|
4388
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
330 if (elt == NULL) { |
|
5824
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
331 goto nomem; |
|
4388
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
332 } |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
333 |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
334 elt->regex = rc->regex; |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
335 elt->name = rc->pattern.data; |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
336 } |
| 3325 | 337 |
| 338 n = pcre_fullinfo(re, NULL, PCRE_INFO_CAPTURECOUNT, &rc->captures); | |
| 339 if (n < 0) { | |
| 340 p = "pcre_fullinfo(\"%V\", PCRE_INFO_CAPTURECOUNT) failed: %d"; | |
| 341 goto failed; | |
| 342 } | |
| 343 | |
| 344 if (rc->captures == 0) { | |
| 345 return NGX_OK; | |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
346 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
347 |
| 3325 | 348 n = pcre_fullinfo(re, NULL, PCRE_INFO_NAMECOUNT, &rc->named_captures); |
| 349 if (n < 0) { | |
| 350 p = "pcre_fullinfo(\"%V\", PCRE_INFO_NAMECOUNT) failed: %d"; | |
| 351 goto failed; | |
| 352 } | |
| 353 | |
| 354 if (rc->named_captures == 0) { | |
| 355 return NGX_OK; | |
| 356 } | |
|
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
357 |
| 3325 | 358 n = pcre_fullinfo(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &rc->name_size); |
| 359 if (n < 0) { | |
| 360 p = "pcre_fullinfo(\"%V\", PCRE_INFO_NAMEENTRYSIZE) failed: %d"; | |
| 361 goto failed; | |
|
381
02a511569afb
nginx-0.0.7-2004-07-07-19:01:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
294
diff
changeset
|
362 } |
| 3325 | 363 |
| 364 n = pcre_fullinfo(re, NULL, PCRE_INFO_NAMETABLE, &rc->names); | |
| 365 if (n < 0) { | |
| 366 p = "pcre_fullinfo(\"%V\", PCRE_INFO_NAMETABLE) failed: %d"; | |
| 367 goto failed; | |
| 368 } | |
|
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
290
diff
changeset
|
369 |
| 3325 | 370 return NGX_OK; |
| 371 | |
| 372 failed: | |
| 373 | |
| 374 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, p, &rc->pattern, n) | |
| 375 - rc->err.data; | |
|
5824
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
376 return NGX_ERROR; |
|
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
377 |
|
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
378 nomem: |
|
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
379 |
|
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
380 rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, |
|
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
381 "regex \"%V\" compilation failed: no memory", |
|
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
382 &rc->pattern) |
|
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
383 - rc->err.data; |
|
e7f6991eca47
Core: ngx_regex_compile() error handling fixes.
Maxim Dounin <mdounin@mdounin.ru>
parents:
4638
diff
changeset
|
384 return NGX_ERROR; |
|
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
385 } |
|
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
386 |
| 7981 | 387 #endif |
| 388 | |
| 389 | |
| 390 #if (NGX_PCRE2) | |
| 391 | |
| 392 ngx_int_t | |
| 393 ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures, ngx_uint_t size) | |
| 394 { | |
| 395 size_t *ov; | |
| 396 ngx_int_t rc; | |
| 397 ngx_uint_t n, i; | |
| 398 | |
| 399 /* | |
| 400 * The pcre2_match() function might allocate memory for backtracking | |
| 401 * frames, typical allocations are from 40k and above. So the allocator | |
| 402 * is configured to do direct allocations from heap during matching. | |
| 403 */ | |
| 404 | |
| 405 ngx_regex_malloc_init(NULL); | |
| 406 | |
| 407 if (ngx_regex_match_data == NULL | |
| 408 || size > ngx_regex_match_data_size) | |
| 409 { | |
| 410 /* | |
| 411 * Allocate a match data if not yet allocated or smaller than | |
| 412 * needed. | |
| 413 */ | |
| 414 | |
| 415 if (ngx_regex_match_data) { | |
| 416 pcre2_match_data_free(ngx_regex_match_data); | |
| 417 } | |
| 418 | |
| 419 ngx_regex_match_data_size = size; | |
| 420 ngx_regex_match_data = pcre2_match_data_create(size / 3, NULL); | |
| 421 | |
| 422 if (ngx_regex_match_data == NULL) { | |
| 423 rc = PCRE2_ERROR_NOMEMORY; | |
| 424 goto failed; | |
| 425 } | |
| 426 } | |
| 427 | |
| 428 rc = pcre2_match(re, s->data, s->len, 0, 0, ngx_regex_match_data, NULL); | |
| 429 | |
| 430 if (rc < 0) { | |
| 431 goto failed; | |
| 432 } | |
| 433 | |
| 434 n = pcre2_get_ovector_count(ngx_regex_match_data); | |
| 435 ov = pcre2_get_ovector_pointer(ngx_regex_match_data); | |
| 436 | |
| 437 if (n > size / 3) { | |
| 438 n = size / 3; | |
| 439 } | |
| 440 | |
| 441 for (i = 0; i < n; i++) { | |
| 442 captures[i * 2] = ov[i * 2]; | |
| 443 captures[i * 2 + 1] = ov[i * 2 + 1]; | |
| 444 } | |
| 445 | |
| 446 failed: | |
| 447 | |
| 448 ngx_regex_malloc_done(); | |
| 449 | |
| 450 return rc; | |
| 451 } | |
| 452 | |
|
7982
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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diff
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|
453 #else |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
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diff
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|
454 |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
455 ngx_int_t |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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diff
changeset
|
456 ngx_regex_exec(ngx_regex_t *re, ngx_str_t *s, int *captures, ngx_uint_t size) |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
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diff
changeset
|
457 { |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
7981
diff
changeset
|
458 return pcre_exec(re->code, re->extra, (const char *) s->data, s->len, |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
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diff
changeset
|
459 0, 0, captures, size); |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
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diff
changeset
|
460 } |
|
fbbb5ce52995
PCRE2 and PCRE binary compatibility.
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parents:
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diff
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|
461 |
| 7981 | 462 #endif |
| 463 | |
|
195
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|
464 |
| 503 | 465 ngx_int_t |
| 1784 | 466 ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log) |
| 467 { | |
| 468 ngx_int_t n; | |
| 469 ngx_uint_t i; | |
| 470 ngx_regex_elt_t *re; | |
| 471 | |
| 472 re = a->elts; | |
| 473 | |
| 474 for (i = 0; i < a->nelts; i++) { | |
| 475 | |
| 476 n = ngx_regex_exec(re[i].regex, s, NULL, 0); | |
| 477 | |
| 478 if (n == NGX_REGEX_NO_MATCHED) { | |
| 479 continue; | |
| 480 } | |
| 481 | |
| 482 if (n < 0) { | |
| 483 ngx_log_error(NGX_LOG_ALERT, log, 0, | |
| 3325 | 484 ngx_regex_exec_n " failed: %i on \"%V\" using \"%s\"", |
| 1784 | 485 n, s, re[i].name); |
| 486 return NGX_ERROR; | |
| 487 } | |
| 488 | |
| 489 /* match */ | |
| 490 | |
| 491 return NGX_OK; | |
| 492 } | |
| 493 | |
| 494 return NGX_DECLINED; | |
| 495 } | |
| 496 | |
| 497 | |
| 7981 | 498 #if (NGX_PCRE2) |
| 499 | |
| 500 static void * ngx_libc_cdecl | |
| 501 ngx_regex_malloc(size_t size, void *data) | |
| 502 { | |
| 503 if (ngx_regex_pool) { | |
| 504 return ngx_palloc(ngx_regex_pool, size); | |
| 505 } | |
| 506 | |
| 507 if (ngx_regex_direct_alloc) { | |
| 508 return ngx_alloc(size, ngx_cycle->log); | |
| 509 } | |
| 510 | |
| 511 return NULL; | |
| 512 } | |
| 513 | |
| 514 | |
| 515 static void ngx_libc_cdecl | |
| 516 ngx_regex_free(void *p, void *data) | |
| 517 { | |
| 518 if (ngx_regex_direct_alloc) { | |
| 519 ngx_free(p); | |
| 520 } | |
| 521 | |
| 522 return; | |
| 523 } | |
| 524 | |
| 525 #else | |
| 526 | |
| 503 | 527 static void * ngx_libc_cdecl |
| 528 ngx_regex_malloc(size_t size) | |
|
195
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diff
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|
529 { |
|
7979
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Core: ngx_regex.c style cleanup.
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7978
diff
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|
530 if (ngx_regex_pool) { |
|
060bf88d2473
Core: ngx_regex.c style cleanup.
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diff
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|
531 return ngx_palloc(ngx_regex_pool, size); |
|
294
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
Igor Sysoev <igor@sysoev.ru>
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290
diff
changeset
|
532 } |
|
5cfd65b8b0a7
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290
diff
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|
533 |
|
5cfd65b8b0a7
nginx-0.0.3-2004-03-23-09:01:52 import
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290
diff
changeset
|
534 return NULL; |
|
195
8dee38ea9117
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diff
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|
535 } |
|
8dee38ea9117
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
536 |
|
8dee38ea9117
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
537 |
| 503 | 538 static void ngx_libc_cdecl |
| 539 ngx_regex_free(void *p) | |
|
195
8dee38ea9117
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parents:
diff
changeset
|
540 { |
|
8dee38ea9117
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
541 return; |
|
8dee38ea9117
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
542 } |
|
4388
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
543 |
| 7981 | 544 #endif |
| 545 | |
|
4388
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
546 |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
547 static void |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
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diff
changeset
|
548 ngx_regex_cleanup(void *data) |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
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7088
diff
changeset
|
549 { |
| 7981 | 550 #if (NGX_PCRE2 || NGX_HAVE_PCRE_JIT) |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
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diff
changeset
|
551 ngx_regex_conf_t *rcf = data; |
|
4423
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
552 |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
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diff
changeset
|
553 ngx_uint_t i; |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
554 ngx_list_part_t *part; |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
555 ngx_regex_elt_t *elts; |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
556 |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
557 part = &rcf->studies->part; |
|
4423
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
558 elts = part->elts; |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
559 |
| 7088 | 560 for (i = 0; /* void */ ; i++) { |
|
4423
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
561 |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
562 if (i >= part->nelts) { |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
563 if (part->next == NULL) { |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
564 break; |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
565 } |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
566 |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
567 part = part->next; |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
568 elts = part->elts; |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
569 i = 0; |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
570 } |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
571 |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
572 /* |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
573 * The PCRE JIT compiler uses mmap for its executable codes, so we |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
574 * have to explicitly call the pcre_free_study() function to free |
| 7981 | 575 * this memory. In PCRE2, we call the pcre2_code_free() function |
| 576 * for the same reason. | |
|
4423
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
577 */ |
|
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
578 |
| 7981 | 579 #if (NGX_PCRE2) |
| 580 pcre2_code_free(elts[i].regex); | |
| 581 #else | |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
582 if (elts[i].regex->extra != NULL) { |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
583 pcre_free_study(elts[i].regex->extra); |
|
4423
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
584 } |
| 7981 | 585 #endif |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
586 } |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
587 #endif |
|
4423
196c3dacff0d
Fixed memory leak on HUP signal when PCRE JIT was used.
Valentin Bartenev <vbart@nginx.com>
parents:
4413
diff
changeset
|
588 |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
589 /* |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
590 * On configuration parsing errors ngx_regex_module_init() will not |
|
7979
060bf88d2473
Core: ngx_regex.c style cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7978
diff
changeset
|
591 * be called. Make sure ngx_regex_studies is properly cleared anyway. |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
592 */ |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
593 |
|
7979
060bf88d2473
Core: ngx_regex.c style cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7978
diff
changeset
|
594 ngx_regex_studies = NULL; |
| 7981 | 595 |
| 596 #if (NGX_PCRE2) | |
| 597 | |
| 598 /* | |
| 599 * Free compile context and match data. If needed at runtime by | |
| 600 * the new cycle, these will be re-allocated. | |
| 601 */ | |
| 602 | |
|
9166
533bc2336df4
Core: fixed memory leak on configuration reload with PCRE2.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8163
diff
changeset
|
603 ngx_regex_malloc_init(NULL); |
|
533bc2336df4
Core: fixed memory leak on configuration reload with PCRE2.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8163
diff
changeset
|
604 |
| 7981 | 605 if (ngx_regex_compile_context) { |
| 606 pcre2_compile_context_free(ngx_regex_compile_context); | |
| 607 ngx_regex_compile_context = NULL; | |
| 608 } | |
| 609 | |
| 610 if (ngx_regex_match_data) { | |
| 611 pcre2_match_data_free(ngx_regex_match_data); | |
| 612 ngx_regex_match_data = NULL; | |
| 613 ngx_regex_match_data_size = 0; | |
| 614 } | |
| 615 | |
|
9166
533bc2336df4
Core: fixed memory leak on configuration reload with PCRE2.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8163
diff
changeset
|
616 ngx_regex_malloc_done(); |
|
533bc2336df4
Core: fixed memory leak on configuration reload with PCRE2.
Maxim Dounin <mdounin@mdounin.ru>
parents:
8163
diff
changeset
|
617 |
| 7981 | 618 #endif |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
619 } |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
620 |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
621 |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
622 static ngx_int_t |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
623 ngx_regex_module_init(ngx_cycle_t *cycle) |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
624 { |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
625 int opt; |
| 7981 | 626 #if !(NGX_PCRE2) |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
627 const char *errstr; |
| 7981 | 628 #endif |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
629 ngx_uint_t i; |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
630 ngx_list_part_t *part; |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
631 ngx_regex_elt_t *elts; |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
632 ngx_regex_conf_t *rcf; |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
633 |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
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634 opt = 0; |
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|
635 |
|
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Core: fixed ngx_pcre_studies cleanup.
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|
636 rcf = (ngx_regex_conf_t *) ngx_get_conf(cycle->conf_ctx, ngx_regex_module); |
|
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|
637 |
| 7981 | 638 #if (NGX_PCRE2 || NGX_HAVE_PCRE_JIT) |
| 639 | |
|
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|
640 if (rcf->pcre_jit) { |
| 7981 | 641 #if (NGX_PCRE2) |
| 642 opt = 1; | |
| 643 #else | |
|
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644 opt = PCRE_STUDY_JIT_COMPILE; |
| 7981 | 645 #endif |
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646 } |
| 7981 | 647 |
|
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648 #endif |
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|
649 |
|
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|
650 ngx_regex_malloc_init(cycle->pool); |
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changeset
|
651 |
|
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|
652 part = &rcf->studies->part; |
|
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|
653 elts = part->elts; |
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|
654 |
| 7088 | 655 for (i = 0; /* void */ ; i++) { |
|
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|
656 |
|
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|
657 if (i >= part->nelts) { |
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658 if (part->next == NULL) { |
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|
659 break; |
|
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|
660 } |
|
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|
661 |
|
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|
662 part = part->next; |
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|
663 elts = part->elts; |
|
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|
664 i = 0; |
|
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|
665 } |
|
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|
666 |
| 7981 | 667 #if (NGX_PCRE2) |
| 668 | |
| 669 if (opt) { | |
| 670 int n; | |
| 671 | |
| 672 n = pcre2_jit_compile(elts[i].regex, PCRE2_JIT_COMPLETE); | |
| 673 | |
| 674 if (n != 0) { | |
| 675 ngx_log_error(NGX_LOG_INFO, cycle->log, 0, | |
| 676 "pcre2_jit_compile() failed: %d in \"%s\", " | |
| 677 "ignored", | |
| 678 n, elts[i].name); | |
| 679 } | |
| 680 } | |
| 681 | |
| 682 #else | |
| 683 | |
|
4638
6e1a48bcf915
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|
684 elts[i].regex->extra = pcre_study(elts[i].regex->code, opt, &errstr); |
|
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|
685 |
|
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|
686 if (errstr != NULL) { |
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|
687 ngx_log_error(NGX_LOG_ALERT, cycle->log, 0, |
|
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|
688 "pcre_study() failed: %s in \"%s\"", |
|
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|
689 errstr, elts[i].name); |
|
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|
690 } |
|
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changeset
|
691 |
|
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changeset
|
692 #if (NGX_HAVE_PCRE_JIT) |
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|
693 if (opt & PCRE_STUDY_JIT_COMPILE) { |
|
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|
694 int jit, n; |
|
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|
695 |
|
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|
696 jit = 0; |
|
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Valentin Bartenev <vbart@nginx.com>
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|
697 n = pcre_fullinfo(elts[i].regex->code, elts[i].regex->extra, |
|
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changeset
|
698 PCRE_INFO_JIT, &jit); |
|
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changeset
|
699 |
|
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|
700 if (n != 0 || jit != 1) { |
|
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|
701 ngx_log_error(NGX_LOG_INFO, cycle->log, 0, |
|
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|
702 "JIT compiler does not support pattern: \"%s\"", |
|
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|
703 elts[i].name); |
|
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|
704 } |
|
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|
705 } |
|
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|
706 #endif |
| 7981 | 707 #endif |
|
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|
708 } |
|
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changeset
|
709 |
|
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changeset
|
710 ngx_regex_malloc_done(); |
|
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changeset
|
711 |
|
7979
060bf88d2473
Core: ngx_regex.c style cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
712 ngx_regex_studies = NULL; |
|
4388
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changeset
|
713 |
|
005fc2d5e84f
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|
714 return NGX_OK; |
|
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|
715 } |
|
005fc2d5e84f
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changeset
|
716 |
|
005fc2d5e84f
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changeset
|
717 |
|
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|
718 static void * |
|
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|
719 ngx_regex_create_conf(ngx_cycle_t *cycle) |
|
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|
720 { |
|
7978
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Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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|
721 ngx_regex_conf_t *rcf; |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
722 ngx_pool_cleanup_t *cln; |
|
4388
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|
723 |
|
005fc2d5e84f
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|
724 rcf = ngx_pcalloc(cycle->pool, sizeof(ngx_regex_conf_t)); |
|
005fc2d5e84f
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changeset
|
725 if (rcf == NULL) { |
|
005fc2d5e84f
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|
726 return NULL; |
|
005fc2d5e84f
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Valentin Bartenev <vbart@nginx.com>
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changeset
|
727 } |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
728 |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
729 rcf->pcre_jit = NGX_CONF_UNSET; |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
730 |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
731 cln = ngx_pool_cleanup_add(cycle->pool, 0); |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
732 if (cln == NULL) { |
|
4388
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changeset
|
733 return NULL; |
|
005fc2d5e84f
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Valentin Bartenev <vbart@nginx.com>
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changeset
|
734 } |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
735 |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
736 rcf->studies = ngx_list_create(cycle->pool, 8, sizeof(ngx_regex_elt_t)); |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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7088
diff
changeset
|
737 if (rcf->studies == NULL) { |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
738 return NULL; |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
739 } |
|
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
740 |
|
8163
77d5c662f3d9
Fixed segfault if regex studies list allocation fails.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7983
diff
changeset
|
741 cln->handler = ngx_regex_cleanup; |
|
77d5c662f3d9
Fixed segfault if regex studies list allocation fails.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7983
diff
changeset
|
742 cln->data = rcf; |
|
77d5c662f3d9
Fixed segfault if regex studies list allocation fails.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7983
diff
changeset
|
743 |
|
7979
060bf88d2473
Core: ngx_regex.c style cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7978
diff
changeset
|
744 ngx_regex_studies = rcf->studies; |
|
7978
2ca57257252d
Core: fixed ngx_pcre_studies cleanup.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7088
diff
changeset
|
745 |
|
4388
005fc2d5e84f
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Valentin Bartenev <vbart@nginx.com>
parents:
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diff
changeset
|
746 return rcf; |
|
005fc2d5e84f
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Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
747 } |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
748 |
|
005fc2d5e84f
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Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
749 |
|
005fc2d5e84f
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Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
750 static char * |
|
005fc2d5e84f
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changeset
|
751 ngx_regex_init_conf(ngx_cycle_t *cycle, void *conf) |
|
005fc2d5e84f
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changeset
|
752 { |
|
005fc2d5e84f
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diff
changeset
|
753 ngx_regex_conf_t *rcf = conf; |
|
005fc2d5e84f
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diff
changeset
|
754 |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
755 ngx_conf_init_value(rcf->pcre_jit, 0); |
|
005fc2d5e84f
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Valentin Bartenev <vbart@nginx.com>
parents:
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diff
changeset
|
756 |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
757 return NGX_CONF_OK; |
|
005fc2d5e84f
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Valentin Bartenev <vbart@nginx.com>
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diff
changeset
|
758 } |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
759 |
|
005fc2d5e84f
Added support for regex study and PCRE JIT (ticket #41) optimizations on
Valentin Bartenev <vbart@nginx.com>
parents:
4326
diff
changeset
|
760 |
|
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761 static char * |
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762 ngx_regex_pcre_jit(ngx_conf_t *cf, void *post, void *data) |
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763 { |
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764 ngx_flag_t *fp = data; |
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765 |
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766 if (*fp == 0) { |
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767 return NGX_CONF_OK; |
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768 } |
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769 |
| 7981 | 770 #if (NGX_PCRE2) |
| 771 { | |
| 772 int r; | |
| 773 uint32_t jit; | |
| 774 | |
| 775 jit = 0; | |
| 776 r = pcre2_config(PCRE2_CONFIG_JIT, &jit); | |
| 777 | |
| 778 if (r != 0 || jit != 1) { | |
| 779 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 780 "PCRE2 library does not support JIT"); | |
| 781 *fp = 0; | |
| 782 } | |
| 783 } | |
| 784 #elif (NGX_HAVE_PCRE_JIT) | |
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4388
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785 { |
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786 int jit, r; |
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787 |
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788 jit = 0; |
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789 r = pcre_config(PCRE_CONFIG_JIT, &jit); |
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790 |
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791 if (r != 0 || jit != 1) { |
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792 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
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793 "PCRE library does not support JIT"); |
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794 *fp = 0; |
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795 } |
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796 } |
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797 #else |
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798 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, |
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4413
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799 "nginx was built without PCRE JIT support"); |
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800 *fp = 0; |
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801 #endif |
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802 |
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803 return NGX_CONF_OK; |
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804 } |