Mercurial > hg > nginx
annotate src/http/modules/ngx_http_browser_module.c @ 4314:4a07bad0e2c5
Allowed add_header for proxied 206 replies.
It was working for nginx's own 206 replies as they are seen as 200 in the
headers filter module (range filter goes later in the headers filter chain),
but not for proxied replies.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 28 Nov 2011 10:00:47 +0000 |
| parents | c7d57b539248 |
| children | d620f497c50f |
| 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 } |
| 700 | 272 |
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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 } |
| 700 | 286 |
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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); |
| 700 | 295 |
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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 |
| 2510 | 321 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
| 322 "version: \"%ui\" \"%ui\"", | |
| 323 modern[i].version, version); | |
| 324 | |
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325 if (version > modern[i].version) { |
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326 return NGX_HTTP_MODERN_BROWSER; |
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327 } |
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328 |
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329 ver = 0; |
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330 scale /= 100; |
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331 continue; |
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332 } |
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333 |
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334 break; |
| 700 | 335 } |
| 336 | |
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337 version += ver * scale; |
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338 |
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339 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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340 "version: \"%ui\" \"%ui\"", |
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341 modern[i].version, version); |
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342 |
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343 if (version >= modern[i].version) { |
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344 return NGX_HTTP_MODERN_BROWSER; |
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345 } |
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346 |
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347 return NGX_HTTP_ANCIENT_BROWSER; |
| 700 | 348 } |
| 349 | |
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350 if (!cf->modern_unlisted_browsers) { |
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351 return NGX_HTTP_ANCIENT_BROWSER; |
| 700 | 352 } |
| 353 } | |
| 354 | |
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355 if (cf->netscape4) { |
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356 if (len > sizeof("Mozilla/4.72 ") - 1 |
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357 && ngx_strncmp(ua, "Mozilla/", sizeof("Mozilla/") - 1) == 0 |
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358 && ua[8] > '0' && ua[8] < '5') |
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359 { |
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360 return NGX_HTTP_ANCIENT_BROWSER; |
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361 } |
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362 } |
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363 |
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364 if (cf->ancient_browsers) { |
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365 ancient = cf->ancient_browsers->elts; |
| 700 | 366 |
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367 for (i = 0; i < cf->ancient_browsers->nelts; i++) { |
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368 if (len >= ancient[i].len |
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369 && ngx_strstr(ua, ancient[i].data) != NULL) |
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370 { |
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371 return NGX_HTTP_ANCIENT_BROWSER; |
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372 } |
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373 } |
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374 } |
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375 |
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376 if (cf->modern_unlisted_browsers) { |
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377 return NGX_HTTP_MODERN_BROWSER; |
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378 } |
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379 |
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380 return NGX_HTTP_ANCIENT_BROWSER; |
| 700 | 381 } |
| 382 | |
| 383 | |
| 384 static ngx_int_t | |
| 385 ngx_http_msie_variable(ngx_http_request_t *r, ngx_http_variable_value_t *v, | |
| 386 uintptr_t data) | |
| 387 { | |
| 388 if (r->headers_in.msie) { | |
| 389 *v = ngx_http_variable_true_value; | |
| 390 return NGX_OK; | |
| 391 } | |
| 392 | |
| 393 *v = ngx_http_variable_null_value; | |
| 394 return NGX_OK; | |
| 395 } | |
| 396 | |
| 397 | |
| 398 static ngx_int_t | |
| 399 ngx_http_browser_add_variable(ngx_conf_t *cf) | |
| 400 { | |
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401 ngx_http_browser_variable_t *var; |
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402 ngx_http_variable_t *v; |
| 700 | 403 |
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404 for (var = ngx_http_browsers; var->name.len; var++) { |
| 700 | 405 |
| 1565 | 406 v = ngx_http_add_variable(cf, &var->name, NGX_HTTP_VAR_CHANGEABLE); |
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407 if (v == NULL) { |
| 700 | 408 return NGX_ERROR; |
| 409 } | |
| 410 | |
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411 v->get_handler = var->handler; |
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412 v->data = var->data; |
| 700 | 413 } |
| 414 | |
| 415 return NGX_OK; | |
| 416 } | |
| 417 | |
| 418 | |
| 419 static void * | |
| 420 ngx_http_browser_create_conf(ngx_conf_t *cf) | |
| 421 { | |
| 422 ngx_http_browser_conf_t *conf; | |
| 423 | |
| 424 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_browser_conf_t)); | |
| 425 if (conf == NULL) { | |
|
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426 return NULL; |
| 700 | 427 } |
| 428 | |
| 429 /* | |
| 430 * set by ngx_pcalloc(): | |
| 431 * | |
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432 * conf->modern_browsers = NULL; |
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433 * conf->ancient_browsers = NULL; |
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434 * conf->modern_browser_value = NULL; |
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435 * conf->ancient_browser_value = NULL; |
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436 * |
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437 * conf->modern_unlisted_browsers = 0; |
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438 * conf->netscape4 = 0; |
| 700 | 439 */ |
| 440 | |
| 441 return conf; | |
| 442 } | |
| 443 | |
| 444 | |
| 445 static char * | |
| 446 ngx_http_browser_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 447 { | |
| 448 ngx_http_browser_conf_t *prev = parent; | |
| 449 ngx_http_browser_conf_t *conf = child; | |
| 450 | |
| 451 ngx_uint_t i, n; | |
| 452 ngx_http_modern_browser_t *browsers, *opera; | |
| 453 | |
| 454 /* | |
| 455 * At the merge the skip field is used to store the browser slot, | |
| 456 * it will be used in sorting and then will overwritten | |
| 457 * with a real skip value. The zero value means Opera. | |
| 458 */ | |
| 459 | |
| 460 if (conf->modern_browsers == NULL) { | |
| 461 conf->modern_browsers = prev->modern_browsers; | |
| 462 | |
| 463 } else { | |
| 464 browsers = conf->modern_browsers->elts; | |
| 465 | |
| 466 for (i = 0; i < conf->modern_browsers->nelts; i++) { | |
| 467 if (browsers[i].skip == 0) { | |
| 468 goto found; | |
| 469 } | |
| 470 } | |
| 471 | |
| 472 /* | |
| 473 * Opera may contain MSIE string, so if Opera was not enumerated | |
| 474 * as modern browsers, then add it and set a unreachable version | |
| 475 */ | |
| 476 | |
| 477 opera = ngx_array_push(conf->modern_browsers); | |
| 478 if (opera == NULL) { | |
| 479 return NGX_CONF_ERROR; | |
| 480 } | |
| 481 | |
| 482 opera->skip = 0; | |
| 483 opera->version = 4001000000U; | |
| 484 | |
| 485 browsers = conf->modern_browsers->elts; | |
| 486 | |
| 487 found: | |
| 488 | |
| 489 ngx_qsort(browsers, (size_t) conf->modern_browsers->nelts, | |
| 490 sizeof(ngx_http_modern_browser_t), | |
| 491 ngx_http_modern_browser_sort); | |
| 492 | |
| 493 for (i = 0; i < conf->modern_browsers->nelts; i++) { | |
| 494 n = browsers[i].skip; | |
| 495 | |
| 496 browsers[i].skip = ngx_http_modern_browser_masks[n].skip; | |
| 497 browsers[i].add = ngx_http_modern_browser_masks[n].add; | |
| 498 (void) ngx_cpystrn(browsers[i].name, | |
| 499 ngx_http_modern_browser_masks[n].name, 12); | |
| 500 } | |
| 501 } | |
| 502 | |
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503 if (conf->ancient_browsers == NULL) { |
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504 conf->ancient_browsers = prev->ancient_browsers; |
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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 = prev->modern_browser_value; |
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509 } |
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510 |
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511 if (conf->modern_browser_value == NULL) { |
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512 conf->modern_browser_value = &ngx_http_variable_true_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 = prev->ancient_browser_value; |
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517 } |
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518 |
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519 if (conf->ancient_browser_value == NULL) { |
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520 conf->ancient_browser_value = &ngx_http_variable_true_value; |
| 700 | 521 } |
| 522 | |
| 523 return NGX_CONF_OK; | |
| 524 } | |
| 525 | |
| 526 | |
| 527 static int ngx_libc_cdecl | |
| 528 ngx_http_modern_browser_sort(const void *one, const void *two) | |
| 529 { | |
| 530 ngx_http_modern_browser_t *first = (ngx_http_modern_browser_t *) one; | |
| 531 ngx_http_modern_browser_t *second = (ngx_http_modern_browser_t *) two; | |
| 532 | |
| 533 return (first->skip - second->skip); | |
| 534 } | |
| 535 | |
| 536 | |
| 537 static char * | |
| 538 ngx_http_modern_browser(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 539 { | |
| 540 ngx_http_browser_conf_t *bcf = conf; | |
| 541 | |
| 542 u_char c; | |
| 543 ngx_str_t *value; | |
| 544 ngx_uint_t i, n, version, ver, scale; | |
| 545 ngx_http_modern_browser_t *browser; | |
| 546 ngx_http_modern_browser_mask_t *mask; | |
| 547 | |
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548 value = cf->args->elts; |
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549 |
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550 if (cf->args->nelts == 2) { |
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551 if (ngx_strcmp(value[1].data, "unlisted") == 0) { |
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552 bcf->modern_unlisted_browsers = 1; |
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553 return NGX_CONF_OK; |
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554 } |
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555 |
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556 return NGX_CONF_ERROR; |
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557 } |
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558 |
| 700 | 559 if (bcf->modern_browsers == NULL) { |
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560 bcf->modern_browsers = ngx_array_create(cf->pool, 5, |
| 700 | 561 sizeof(ngx_http_modern_browser_t)); |
| 562 if (bcf->modern_browsers == NULL) { | |
| 563 return NGX_CONF_ERROR; | |
| 564 } | |
| 565 } | |
| 566 | |
| 567 browser = ngx_array_push(bcf->modern_browsers); | |
| 568 if (browser == NULL) { | |
| 569 return NGX_CONF_ERROR; | |
| 570 } | |
| 571 | |
| 572 mask = ngx_http_modern_browser_masks; | |
| 573 | |
| 574 for (n = 0; mask[n].browser[0] != '\0'; n++) { | |
| 575 if (ngx_strcasecmp(mask[n].browser, value[1].data) == 0) { | |
| 576 goto found; | |
| 577 } | |
| 578 } | |
| 579 | |
| 580 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 581 "unknown browser name \"%V\"", &value[1]); | |
| 582 | |
| 583 return NGX_CONF_ERROR; | |
| 584 | |
| 585 found: | |
| 586 | |
| 587 /* | |
| 588 * at this stage the skip field is used to store the browser slot, | |
| 589 * it will be used in sorting in merge stage and then will overwritten | |
| 590 * with a real value | |
| 591 */ | |
| 592 | |
| 593 browser->skip = n; | |
| 594 | |
| 595 version = 0; | |
| 596 ver = 0; | |
| 597 scale = 1000000; | |
| 598 | |
| 599 for (i = 0; i < value[2].len; i++) { | |
| 600 | |
| 601 c = value[2].data[i]; | |
| 602 | |
| 603 if (c >= '0' && c <= '9') { | |
| 604 ver = ver * 10 + (c - '0'); | |
| 605 continue; | |
| 606 } | |
| 607 | |
| 608 if (c == '.') { | |
| 609 version += ver * scale; | |
| 610 ver = 0; | |
| 611 scale /= 100; | |
| 612 continue; | |
| 613 } | |
| 614 | |
| 615 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 616 "invalid browser version \"%V\"", &value[2]); | |
| 617 | |
| 618 return NGX_CONF_ERROR; | |
| 619 } | |
| 620 | |
| 621 version += ver * scale; | |
| 622 | |
| 623 browser->version = version; | |
| 624 | |
| 625 return NGX_CONF_OK; | |
| 626 } | |
| 627 | |
| 628 | |
| 629 static char * | |
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630 ngx_http_ancient_browser(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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631 { |
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632 ngx_http_browser_conf_t *bcf = conf; |
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633 |
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634 ngx_str_t *value, *browser; |
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635 ngx_uint_t i; |
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636 |
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637 value = cf->args->elts; |
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638 |
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639 for (i = 1; i < cf->args->nelts; i++) { |
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640 if (ngx_strcmp(value[i].data, "netscape4") == 0) { |
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641 bcf->netscape4 = 1; |
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642 continue; |
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643 } |
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644 |
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645 if (bcf->ancient_browsers == NULL) { |
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646 bcf->ancient_browsers = ngx_array_create(cf->pool, 4, |
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647 sizeof(ngx_str_t)); |
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648 if (bcf->ancient_browsers == NULL) { |
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649 return NGX_CONF_ERROR; |
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650 } |
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651 } |
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652 |
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653 browser = ngx_array_push(bcf->ancient_browsers); |
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654 if (browser == NULL) { |
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655 return NGX_CONF_ERROR; |
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656 } |
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657 |
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658 *browser = value[i]; |
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659 } |
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660 |
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661 return NGX_CONF_OK; |
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662 } |
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663 |
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664 |
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665 static char * |
| 700 | 666 ngx_http_modern_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 667 { | |
| 668 ngx_http_browser_conf_t *bcf = conf; | |
| 669 | |
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670 ngx_str_t *value; |
| 700 | 671 |
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672 bcf->modern_browser_value = ngx_palloc(cf->pool, |
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673 sizeof(ngx_http_variable_value_t)); |
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674 if (bcf->modern_browser_value == NULL) { |
| 700 | 675 return NGX_CONF_ERROR; |
| 676 } | |
| 677 | |
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678 value = cf->args->elts; |
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679 |
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680 bcf->modern_browser_value->len = value[1].len; |
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681 bcf->modern_browser_value->valid = 1; |
| 1565 | 682 bcf->modern_browser_value->no_cacheable = 0; |
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683 bcf->modern_browser_value->not_found = 0; |
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684 bcf->modern_browser_value->data = value[1].data; |
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685 |
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686 return NGX_CONF_OK; |
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687 } |
| 700 | 688 |
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689 |
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690 static char * |
|
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691 ngx_http_ancient_browser_value(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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692 { |
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693 ngx_http_browser_conf_t *bcf = conf; |
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694 |
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695 ngx_str_t *value; |
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696 |
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697 bcf->ancient_browser_value = ngx_palloc(cf->pool, |
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698 sizeof(ngx_http_variable_value_t)); |
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699 if (bcf->ancient_browser_value == NULL) { |
| 700 | 700 return NGX_CONF_ERROR; |
| 701 } | |
| 702 | |
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718
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703 value = cf->args->elts; |
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704 |
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705 bcf->ancient_browser_value->len = value[1].len; |
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706 bcf->ancient_browser_value->valid = 1; |
| 1565 | 707 bcf->ancient_browser_value->no_cacheable = 0; |
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708 bcf->ancient_browser_value->not_found = 0; |
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709 bcf->ancient_browser_value->data = value[1].data; |
| 700 | 710 |
| 711 return NGX_CONF_OK; | |
| 712 } |