Mercurial > hg > nginx
annotate src/http/modules/ngx_http_browser_module.c @ 2509:b4661481f198
the $ancient_browser variables did not treat as an ancient browser
listed in modern_browser, but has lower version
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 18 Feb 2009 09:23:47 +0000 |
| parents | 4c43e25d11ea |
| children | fa03c3846ca4 |
| rev | line source |
|---|---|
| 700 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_http.h> | |
| 10 | |
| 11 | |
| 12 /* | |
| 13 * The module can check browser versions conforming to the following formats: | |
| 14 * X, X.X, X.X.X, and X.X.X.X. The maximum values of each format may be | |
| 15 * 4000, 4000.99, 4000.99.99, and 4000.99.99.99. | |
| 16 */ | |
| 17 | |
| 18 | |
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19 #define NGX_HTTP_MODERN_BROWSER 0 |
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20 #define NGX_HTTP_ANCIENT_BROWSER 1 |
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21 |
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22 |
| 700 | 23 typedef struct { |
| 24 u_char browser[12]; | |
| 25 size_t skip; | |
| 26 size_t add; | |
| 27 u_char name[12]; | |
| 28 } ngx_http_modern_browser_mask_t; | |
| 29 | |
| 30 | |
| 31 typedef struct { | |
| 32 ngx_uint_t version; | |
| 33 size_t skip; | |
| 34 size_t add; | |
| 35 u_char name[12]; | |
| 36 } ngx_http_modern_browser_t; | |
| 37 | |
| 38 | |
| 39 typedef struct { | |
| 40 ngx_str_t name; | |
| 41 ngx_http_get_variable_pt handler; | |
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42 uintptr_t data; |
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43 } ngx_http_browser_variable_t; |
| 700 | 44 |
| 45 | |
| 46 typedef struct { | |
| 47 ngx_array_t *modern_browsers; | |
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48 ngx_array_t *ancient_browsers; |
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49 ngx_http_variable_value_t *modern_browser_value; |
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50 ngx_http_variable_value_t *ancient_browser_value; |
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51 |
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52 unsigned modern_unlisted_browsers:1; |
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53 unsigned netscape4:1; |
| 700 | 54 } ngx_http_browser_conf_t; |
| 55 | |
| 56 | |
| 57 static ngx_int_t ngx_http_msie_variable(ngx_http_request_t *r, | |
| 58 ngx_http_variable_value_t *v, uintptr_t data); | |
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59 static ngx_int_t ngx_http_browser_variable(ngx_http_request_t *r, |
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60 ngx_http_variable_value_t *v, uintptr_t data); |
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61 |
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62 static ngx_uint_t ngx_http_browser(ngx_http_request_t *r, |
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63 ngx_http_browser_conf_t *cf); |
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64 |
| 700 | 65 static ngx_int_t ngx_http_browser_add_variable(ngx_conf_t *cf); |
| 66 static void *ngx_http_browser_create_conf(ngx_conf_t *cf); | |
| 67 static char *ngx_http_browser_merge_conf(ngx_conf_t *cf, void *parent, | |
| 68 void *child); | |
| 69 static int ngx_libc_cdecl ngx_http_modern_browser_sort(const void *one, | |
| 70 const void *two); | |
| 71 static char *ngx_http_modern_browser(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 72 void *conf); | |
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73 static char *ngx_http_ancient_browser(ngx_conf_t *cf, ngx_command_t *cmd, |
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74 void *conf); |
| 700 | 75 static char *ngx_http_modern_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, |
| 76 void *conf); | |
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77 static char *ngx_http_ancient_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, |
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78 void *conf); |
| 700 | 79 |
| 80 | |
| 81 static ngx_command_t ngx_http_browser_commands[] = { | |
| 82 | |
| 83 { ngx_string("modern_browser"), | |
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84 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, |
| 700 | 85 ngx_http_modern_browser, |
| 86 NGX_HTTP_LOC_CONF_OFFSET, | |
| 87 0, | |
| 88 NULL }, | |
| 89 | |
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90 { ngx_string("ancient_browser"), |
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91 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
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92 ngx_http_ancient_browser, |
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93 NGX_HTTP_LOC_CONF_OFFSET, |
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94 0, |
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95 NULL }, |
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96 |
| 700 | 97 { ngx_string("modern_browser_value"), |
| 98 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 99 ngx_http_modern_browser_value, | |
| 100 NGX_HTTP_LOC_CONF_OFFSET, | |
| 101 0, | |
| 102 NULL }, | |
| 103 | |
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104 { ngx_string("ancient_browser_value"), |
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105 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, |
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106 ngx_http_ancient_browser_value, |
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107 NGX_HTTP_LOC_CONF_OFFSET, |
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108 0, |
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109 NULL }, |
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110 |
| 700 | 111 ngx_null_command |
| 112 }; | |
| 113 | |
| 114 | |
| 115 static ngx_http_module_t ngx_http_browser_module_ctx = { | |
| 116 ngx_http_browser_add_variable, /* preconfiguration */ | |
| 117 NULL, /* postconfiguration */ | |
| 118 | |
| 119 NULL, /* create main configuration */ | |
| 120 NULL, /* init main configuration */ | |
| 121 | |
| 122 NULL, /* create server configuration */ | |
| 123 NULL, /* merge server configuration */ | |
| 124 | |
| 125 ngx_http_browser_create_conf, /* create location configuration */ | |
| 126 ngx_http_browser_merge_conf /* merge location configuration */ | |
| 127 }; | |
| 128 | |
| 129 | |
| 130 ngx_module_t ngx_http_browser_module = { | |
| 131 NGX_MODULE_V1, | |
| 132 &ngx_http_browser_module_ctx, /* module context */ | |
| 133 ngx_http_browser_commands, /* module directives */ | |
| 134 NGX_HTTP_MODULE, /* module type */ | |
| 135 NULL, /* init master */ | |
| 136 NULL, /* init module */ | |
| 137 NULL, /* init process */ | |
| 138 NULL, /* init thread */ | |
| 139 NULL, /* exit thread */ | |
| 140 NULL, /* exit process */ | |
| 141 NULL, /* exit master */ | |
| 142 NGX_MODULE_V1_PADDING | |
| 143 }; | |
| 144 | |
| 145 | |
| 146 static ngx_http_modern_browser_mask_t ngx_http_modern_browser_masks[] = { | |
| 147 | |
| 148 /* Opera must be the first browser to check */ | |
| 149 | |
| 150 /* | |
| 151 * "Opera/7.50 (X11; FreeBSD i386; U) [en]" | |
| 152 * "Mozilla/5.0 (X11; FreeBSD i386; U) Opera 7.50 [en]" | |
| 153 * "Mozilla/4.0 (compatible; MSIE 6.0; X11; FreeBSD i386) Opera 7.50 [en]" | |
| 154 * "Opera/8.0 (Windows NT 5.1; U; ru)" | |
| 155 * "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; en) Opera 8.0" | |
| 156 * "Opera/9.01 (X11; FreeBSD 6 i386; U; en)" | |
| 157 */ | |
| 158 | |
| 159 { "opera", | |
| 160 0, | |
| 161 sizeof("Opera ") - 1, | |
| 162 "Opera"}, | |
| 163 | |
| 164 /* "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)" */ | |
| 165 | |
| 166 { "msie", | |
| 167 sizeof("Mozilla/4.0 (compatible; ") - 1, | |
| 168 sizeof("MSIE ") - 1, | |
| 169 "MSIE "}, | |
| 170 | |
| 171 /* | |
| 172 * "Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.0.0) Gecko/20020610" | |
| 173 * "Mozilla/5.0 (Windows; U; Windows NT 5.1; ru-RU; rv:1.5) Gecko/20031006" | |
| 174 * "Mozilla/5.0 (Windows; U; Windows NT 5.1; ru-RU; rv:1.6) Gecko/20040206 | |
| 175 * Firefox/0.8" | |
| 176 * "Mozilla/5.0 (Windows; U; Windows NT 5.1; ru-RU; rv:1.7.8) | |
| 177 * Gecko/20050511 Firefox/1.0.4" | |
| 178 * "Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.8.0.5) Gecko/20060729 | |
| 179 * Firefox/1.5.0.5" | |
| 180 */ | |
| 181 | |
| 182 { "gecko", | |
| 183 sizeof("Mozilla/5.0 (") - 1, | |
| 184 sizeof("rv:") - 1, | |
| 185 "rv:"}, | |
| 186 | |
| 187 /* | |
| 188 * "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; ru-ru) AppleWebKit/125.2 | |
| 189 * (KHTML, like Gecko) Safari/125.7" | |
| 190 * "Mozilla/5.0 (SymbianOS/9.1; U; en-us) AppleWebKit/413 | |
| 191 * (KHTML, like Gecko) Safari/413" | |
| 192 * "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; en) AppleWebKit/418 | |
| 193 * (KHTML, like Gecko) Safari/417.9.3" | |
| 194 * "Mozilla/5.0 (Macintosh; U; PPC Mac OS X; ru-ru) AppleWebKit/418.8 | |
| 195 * (KHTML, like Gecko) Safari/419.3" | |
| 196 */ | |
| 197 | |
| 198 { "safari", | |
| 199 sizeof("Mozilla/5.0 (") - 1, | |
| 200 sizeof("Safari/") - 1, | |
| 201 "Safari/"}, | |
| 202 | |
| 203 /* | |
| 204 * "Mozilla/5.0 (compatible; Konqueror/3.1; Linux)" | |
| 205 * "Mozilla/5.0 (compatible; Konqueror/3.4; Linux) KHTML/3.4.2 (like Gecko)" | |
| 206 * "Mozilla/5.0 (compatible; Konqueror/3.5; FreeBSD) KHTML/3.5.1 | |
| 207 * (like Gecko)" | |
| 208 */ | |
| 209 | |
| 210 { "konqueror", | |
| 211 sizeof("Mozilla/5.0 (compatible; ") - 1, | |
| 212 sizeof("Konqueror/") - 1, | |
| 213 "Konqueror/"}, | |
| 214 | |
| 215 { "", 0, 0, "" } | |
| 216 | |
| 217 }; | |
| 218 | |
| 219 | |
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220 static ngx_http_browser_variable_t ngx_http_browsers[] = { |
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221 { ngx_string("msie"), ngx_http_msie_variable, 0 }, |
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222 { ngx_string("modern_browser"), ngx_http_browser_variable, |
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223 NGX_HTTP_MODERN_BROWSER }, |
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224 { ngx_string("ancient_browser"), ngx_http_browser_variable, |
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225 NGX_HTTP_ANCIENT_BROWSER }, |
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226 { ngx_null_string, NULL, 0 } |
| 700 | 227 }; |
| 228 | |
| 229 | |
| 230 static ngx_int_t | |
| 231 ngx_http_browser_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 232 uintptr_t data) | |
| 233 { | |
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234 ngx_uint_t rc; |
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235 ngx_http_browser_conf_t *cf; |
| 700 | 236 |
| 237 cf = ngx_http_get_module_loc_conf(r, ngx_http_browser_module); | |
| 238 | |
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239 rc = ngx_http_browser(r, cf); |
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240 |
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241 if (data == NGX_HTTP_MODERN_BROWSER && rc == NGX_HTTP_MODERN_BROWSER) { |
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242 *v = *cf->modern_browser_value; |
| 700 | 243 return NGX_OK; |
| 244 } | |
| 245 | |
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246 if (data == NGX_HTTP_ANCIENT_BROWSER && rc == NGX_HTTP_ANCIENT_BROWSER) { |
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247 *v = *cf->ancient_browser_value; |
| 700 | 248 return NGX_OK; |
| 249 } | |
| 250 | |
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251 *v = ngx_http_variable_null_value; |
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252 return NGX_OK; |
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253 } |
| 700 | 254 |
| 255 | |
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256 static ngx_uint_t |
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257 ngx_http_browser(ngx_http_request_t *r, ngx_http_browser_conf_t *cf) |
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258 { |
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259 size_t len; |
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260 u_char *name, *ua, *last, c; |
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261 ngx_str_t *ancient; |
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262 ngx_uint_t i, version, ver, scale; |
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263 ngx_http_modern_browser_t *modern; |
| 700 | 264 |
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265 if (r->headers_in.user_agent == NULL) { |
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266 if (cf->modern_unlisted_browsers) { |
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267 return NGX_HTTP_MODERN_BROWSER; |
| 700 | 268 } |
| 269 | |
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270 return NGX_HTTP_ANCIENT_BROWSER; |
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271 } |
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273 ua = r->headers_in.user_agent->value.data; |
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274 len = r->headers_in.user_agent->value.len; |
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275 last = ua + len; |
| 700 | 276 |
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277 if (cf->modern_browsers) { |
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278 modern = cf->modern_browsers->elts; |
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279 |
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280 for (i = 0; i < cf->modern_browsers->nelts; i++) { |
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281 name = ua + modern[i].skip; |
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283 if (name >= last) { |
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284 continue; |
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285 } |
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287 name = (u_char *) ngx_strstr(name, modern[i].name); |
| 700 | 288 |
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289 if (name == NULL) { |
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290 continue; |
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291 } |
| 700 | 292 |
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293 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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294 "browser: \"%s\"", name); |
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296 name += modern[i].add; |
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297 |
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298 if (name >= last) { |
| 700 | 299 continue; |
| 300 } | |
| 301 | |
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302 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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303 "version: \"%ui\" \"%s\"", modern[i].version, name); |
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304 |
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305 version = 0; |
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306 ver = 0; |
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307 scale = 1000000; |
| 700 | 308 |
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309 while (name < last) { |
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310 |
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311 c = *name++; |
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312 |
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313 if (c >= '0' && c <= '9') { |
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314 ver = ver * 10 + (c - '0'); |
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315 continue; |
| 700 | 316 } |
| 317 | |
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318 if (c == '.') { |
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319 version += ver * scale; |
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320 |
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321 if (version > modern[i].version) { |
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322 return NGX_HTTP_MODERN_BROWSER; |
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323 } |
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324 |
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325 ver = 0; |
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326 scale /= 100; |
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327 continue; |
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328 } |
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329 |
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330 break; |
| 700 | 331 } |
| 332 | |
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333 version += ver * scale; |
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334 |
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335 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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336 "version: \"%ui\" \"%ui\"", |
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337 modern[i].version, version); |
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338 |
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339 if (version >= modern[i].version) { |
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340 return NGX_HTTP_MODERN_BROWSER; |
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341 } |
|
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342 |
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343 return NGX_HTTP_ANCIENT_BROWSER; |
| 700 | 344 } |
| 345 | |
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346 if (!cf->modern_unlisted_browsers) { |
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347 return NGX_HTTP_ANCIENT_BROWSER; |
| 700 | 348 } |
| 349 } | |
| 350 | |
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351 if (cf->netscape4) { |
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352 if (len > sizeof("Mozilla/4.72 ") - 1 |
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353 && ngx_strncmp(ua, "Mozilla/", sizeof("Mozilla/") - 1) == 0 |
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354 && ua[8] > '0' && ua[8] < '5') |
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355 { |
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356 return NGX_HTTP_ANCIENT_BROWSER; |
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357 } |
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358 } |
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359 |
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360 if (cf->ancient_browsers) { |
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361 ancient = cf->ancient_browsers->elts; |
| 700 | 362 |
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363 for (i = 0; i < cf->ancient_browsers->nelts; i++) { |
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364 if (len >= ancient[i].len |
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365 && ngx_strstr(ua, ancient[i].data) != NULL) |
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366 { |
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367 return NGX_HTTP_ANCIENT_BROWSER; |
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368 } |
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369 } |
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370 } |
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371 |
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372 if (cf->modern_unlisted_browsers) { |
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373 return NGX_HTTP_MODERN_BROWSER; |
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374 } |
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375 |
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376 return NGX_HTTP_ANCIENT_BROWSER; |
| 700 | 377 } |
| 378 | |
| 379 | |
| 380 static ngx_int_t | |
| 381 ngx_http_msie_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 382 uintptr_t data) | |
| 383 { | |
| 384 if (r->headers_in.msie) { | |
| 385 *v = ngx_http_variable_true_value; | |
| 386 return NGX_OK; | |
| 387 } | |
| 388 | |
| 389 *v = ngx_http_variable_null_value; | |
| 390 return NGX_OK; | |
| 391 } | |
| 392 | |
| 393 | |
| 394 static ngx_int_t | |
| 395 ngx_http_browser_add_variable(ngx_conf_t *cf) | |
| 396 { | |
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397 ngx_http_browser_variable_t *var; |
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398 ngx_http_variable_t *v; |
| 700 | 399 |
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400 for (var = ngx_http_browsers; var->name.len; var++) { |
| 700 | 401 |
| 1565 | 402 v = ngx_http_add_variable(cf, &var->name, NGX_HTTP_VAR_CHANGEABLE); |
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403 if (v == NULL) { |
| 700 | 404 return NGX_ERROR; |
| 405 } | |
| 406 | |
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407 v->get_handler = var->handler; |
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408 v->data = var->data; |
| 700 | 409 } |
| 410 | |
| 411 return NGX_OK; | |
| 412 } | |
| 413 | |
| 414 | |
| 415 static void * | |
| 416 ngx_http_browser_create_conf(ngx_conf_t *cf) | |
| 417 { | |
| 418 ngx_http_browser_conf_t *conf; | |
| 419 | |
| 420 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_browser_conf_t)); | |
| 421 if (conf == NULL) { | |
| 422 return NGX_CONF_ERROR; | |
| 423 } | |
| 424 | |
| 425 /* | |
| 426 * set by ngx_pcalloc(): | |
| 427 * | |
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428 * conf->modern_browsers = NULL; |
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429 * conf->ancient_browsers = NULL; |
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430 * conf->modern_browser_value = NULL; |
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431 * conf->ancient_browser_value = NULL; |
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432 * |
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433 * conf->modern_unlisted_browsers = 0; |
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434 * conf->netscape4 = 0; |
| 700 | 435 */ |
| 436 | |
| 437 return conf; | |
| 438 } | |
| 439 | |
| 440 | |
| 441 static char * | |
| 442 ngx_http_browser_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 443 { | |
| 444 ngx_http_browser_conf_t *prev = parent; | |
| 445 ngx_http_browser_conf_t *conf = child; | |
| 446 | |
| 447 ngx_uint_t i, n; | |
| 448 ngx_http_modern_browser_t *browsers, *opera; | |
| 449 | |
| 450 /* | |
| 451 * At the merge the skip field is used to store the browser slot, | |
| 452 * it will be used in sorting and then will overwritten | |
| 453 * with a real skip value. The zero value means Opera. | |
| 454 */ | |
| 455 | |
| 456 if (conf->modern_browsers == NULL) { | |
| 457 conf->modern_browsers = prev->modern_browsers; | |
| 458 | |
| 459 } else { | |
| 460 browsers = conf->modern_browsers->elts; | |
| 461 | |
| 462 for (i = 0; i < conf->modern_browsers->nelts; i++) { | |
| 463 if (browsers[i].skip == 0) { | |
| 464 goto found; | |
| 465 } | |
| 466 } | |
| 467 | |
| 468 /* | |
| 469 * Opera may contain MSIE string, so if Opera was not enumerated | |
| 470 * as modern browsers, then add it and set a unreachable version | |
| 471 */ | |
| 472 | |
| 473 opera = ngx_array_push(conf->modern_browsers); | |
| 474 if (opera == NULL) { | |
| 475 return NGX_CONF_ERROR; | |
| 476 } | |
| 477 | |
| 478 opera->skip = 0; | |
| 479 opera->version = 4001000000U; | |
| 480 | |
| 481 browsers = conf->modern_browsers->elts; | |
| 482 | |
| 483 found: | |
| 484 | |
| 485 ngx_qsort(browsers, (size_t) conf->modern_browsers->nelts, | |
| 486 sizeof(ngx_http_modern_browser_t), | |
| 487 ngx_http_modern_browser_sort); | |
| 488 | |
| 489 for (i = 0; i < conf->modern_browsers->nelts; i++) { | |
| 490 n = browsers[i].skip; | |
| 491 | |
| 492 browsers[i].skip = ngx_http_modern_browser_masks[n].skip; | |
| 493 browsers[i].add = ngx_http_modern_browser_masks[n].add; | |
| 494 (void) ngx_cpystrn(browsers[i].name, | |
| 495 ngx_http_modern_browser_masks[n].name, 12); | |
| 496 } | |
| 497 } | |
| 498 | |
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499 if (conf->ancient_browsers == NULL) { |
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500 conf->ancient_browsers = prev->ancient_browsers; |
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501 } |
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502 |
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503 if (conf->modern_browser_value == NULL) { |
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504 conf->modern_browser_value = prev->modern_browser_value; |
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505 } |
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506 |
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507 if (conf->modern_browser_value == NULL) { |
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508 conf->modern_browser_value = &ngx_http_variable_true_value; |
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509 } |
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510 |
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511 if (conf->ancient_browser_value == NULL) { |
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512 conf->ancient_browser_value = prev->ancient_browser_value; |
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513 } |
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514 |
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515 if (conf->ancient_browser_value == NULL) { |
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516 conf->ancient_browser_value = &ngx_http_variable_true_value; |
| 700 | 517 } |
| 518 | |
| 519 return NGX_CONF_OK; | |
| 520 } | |
| 521 | |
| 522 | |
| 523 static int ngx_libc_cdecl | |
| 524 ngx_http_modern_browser_sort(const void *one, const void *two) | |
| 525 { | |
| 526 ngx_http_modern_browser_t *first = (ngx_http_modern_browser_t *) one; | |
| 527 ngx_http_modern_browser_t *second = (ngx_http_modern_browser_t *) two; | |
| 528 | |
| 529 return (first->skip - second->skip); | |
| 530 } | |
| 531 | |
| 532 | |
| 533 static char * | |
| 534 ngx_http_modern_browser(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 535 { | |
| 536 ngx_http_browser_conf_t *bcf = conf; | |
| 537 | |
| 538 u_char c; | |
| 539 ngx_str_t *value; | |
| 540 ngx_uint_t i, n, version, ver, scale; | |
| 541 ngx_http_modern_browser_t *browser; | |
| 542 ngx_http_modern_browser_mask_t *mask; | |
| 543 | |
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544 value = cf->args->elts; |
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545 |
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546 if (cf->args->nelts == 2) { |
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547 if (ngx_strcmp(value[1].data, "unlisted") == 0) { |
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548 bcf->modern_unlisted_browsers = 1; |
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549 return NGX_CONF_OK; |
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550 } |
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551 |
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552 return NGX_CONF_ERROR; |
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553 } |
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554 |
| 700 | 555 if (bcf->modern_browsers == NULL) { |
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556 bcf->modern_browsers = ngx_array_create(cf->pool, 5, |
| 700 | 557 sizeof(ngx_http_modern_browser_t)); |
| 558 if (bcf->modern_browsers == NULL) { | |
| 559 return NGX_CONF_ERROR; | |
| 560 } | |
| 561 } | |
| 562 | |
| 563 browser = ngx_array_push(bcf->modern_browsers); | |
| 564 if (browser == NULL) { | |
| 565 return NGX_CONF_ERROR; | |
| 566 } | |
| 567 | |
| 568 mask = ngx_http_modern_browser_masks; | |
| 569 | |
| 570 for (n = 0; mask[n].browser[0] != '\0'; n++) { | |
| 571 if (ngx_strcasecmp(mask[n].browser, value[1].data) == 0) { | |
| 572 goto found; | |
| 573 } | |
| 574 } | |
| 575 | |
| 576 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 577 "unknown browser name \"%V\"", &value[1]); | |
| 578 | |
| 579 return NGX_CONF_ERROR; | |
| 580 | |
| 581 found: | |
| 582 | |
| 583 /* | |
| 584 * at this stage the skip field is used to store the browser slot, | |
| 585 * it will be used in sorting in merge stage and then will overwritten | |
| 586 * with a real value | |
| 587 */ | |
| 588 | |
| 589 browser->skip = n; | |
| 590 | |
| 591 version = 0; | |
| 592 ver = 0; | |
| 593 scale = 1000000; | |
| 594 | |
| 595 for (i = 0; i < value[2].len; i++) { | |
| 596 | |
| 597 c = value[2].data[i]; | |
| 598 | |
| 599 if (c >= '0' && c <= '9') { | |
| 600 ver = ver * 10 + (c - '0'); | |
| 601 continue; | |
| 602 } | |
| 603 | |
| 604 if (c == '.') { | |
| 605 version += ver * scale; | |
| 606 ver = 0; | |
| 607 scale /= 100; | |
| 608 continue; | |
| 609 } | |
| 610 | |
| 611 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 612 "invalid browser version \"%V\"", &value[2]); | |
| 613 | |
| 614 return NGX_CONF_ERROR; | |
| 615 } | |
| 616 | |
| 617 version += ver * scale; | |
| 618 | |
| 619 browser->version = version; | |
| 620 | |
| 621 return NGX_CONF_OK; | |
| 622 } | |
| 623 | |
| 624 | |
| 625 static char * | |
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626 ngx_http_ancient_browser(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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627 { |
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628 ngx_http_browser_conf_t *bcf = conf; |
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629 |
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630 ngx_str_t *value, *browser; |
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631 ngx_uint_t i; |
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632 |
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633 value = cf->args->elts; |
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634 |
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635 for (i = 1; i < cf->args->nelts; i++) { |
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636 if (ngx_strcmp(value[i].data, "netscape4") == 0) { |
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637 bcf->netscape4 = 1; |
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638 continue; |
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639 } |
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640 |
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641 if (bcf->ancient_browsers == NULL) { |
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642 bcf->ancient_browsers = ngx_array_create(cf->pool, 4, |
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643 sizeof(ngx_str_t)); |
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644 if (bcf->ancient_browsers == NULL) { |
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645 return NGX_CONF_ERROR; |
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646 } |
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647 } |
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648 |
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649 browser = ngx_array_push(bcf->ancient_browsers); |
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650 if (browser == NULL) { |
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651 return NGX_CONF_ERROR; |
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652 } |
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653 |
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654 *browser = value[i]; |
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655 } |
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656 |
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657 return NGX_CONF_OK; |
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658 } |
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659 |
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660 |
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661 static char * |
| 700 | 662 ngx_http_modern_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 663 { | |
| 664 ngx_http_browser_conf_t *bcf = conf; | |
| 665 | |
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666 ngx_str_t *value; |
| 700 | 667 |
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668 bcf->modern_browser_value = ngx_palloc(cf->pool, |
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669 sizeof(ngx_http_variable_value_t)); |
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670 if (bcf->modern_browser_value == NULL) { |
| 700 | 671 return NGX_CONF_ERROR; |
| 672 } | |
| 673 | |
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674 value = cf->args->elts; |
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675 |
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676 bcf->modern_browser_value->len = value[1].len; |
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677 bcf->modern_browser_value->valid = 1; |
| 1565 | 678 bcf->modern_browser_value->no_cacheable = 0; |
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679 bcf->modern_browser_value->not_found = 0; |
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680 bcf->modern_browser_value->data = value[1].data; |
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681 |
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682 return NGX_CONF_OK; |
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683 } |
| 700 | 684 |
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685 |
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686 static char * |
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687 ngx_http_ancient_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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688 { |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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689 ngx_http_browser_conf_t *bcf = conf; |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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690 |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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691 ngx_str_t *value; |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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692 |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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693 bcf->ancient_browser_value = ngx_palloc(cf->pool, |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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694 sizeof(ngx_http_variable_value_t)); |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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695 if (bcf->ancient_browser_value == NULL) { |
| 700 | 696 return NGX_CONF_ERROR; |
| 697 } | |
| 698 | |
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718
d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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699 value = cf->args->elts; |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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700 |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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701 bcf->ancient_browser_value->len = value[1].len; |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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702 bcf->ancient_browser_value->valid = 1; |
| 1565 | 703 bcf->ancient_browser_value->no_cacheable = 0; |
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718
d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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704 bcf->ancient_browser_value->not_found = 0; |
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d488926182ea
ancient browsers support in ngx_http_browser_module
Igor Sysoev <igor@sysoev.ru>
parents:
713
diff
changeset
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705 bcf->ancient_browser_value->data = value[1].data; |
| 700 | 706 |
| 707 return NGX_CONF_OK; | |
| 708 } |