Mercurial > hg > nginx
annotate src/http/modules/ngx_http_charset_filter_module.c @ 2890:a4302032b831
fix the previous commit
| author | Igor Sysoev <igor@sysoev.ru> |
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| date | Mon, 25 May 2009 19:57:25 +0000 |
| parents | 0bb8c54f4c45 |
| children | 76dfc19dcd49 |
| rev | line source |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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12 #define NGX_HTTP_CHARSET_OFF -2 |
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13 #define NGX_HTTP_NO_CHARSET -3 |
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14 #define NGX_HTTP_CHARSET_VAR 0x10000 |
| 657 | 15 |
| 16 /* 1 byte length and up to 3 bytes for the UTF-8 encoding of the UCS-2 */ | |
| 17 #define NGX_UTF_LEN 4 | |
| 18 | |
| 19 #define NGX_HTML_ENTITY_LEN (sizeof("") - 1) | |
| 529 | 20 |
| 21 | |
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22 typedef struct { |
| 657 | 23 u_char **tables; |
| 24 ngx_str_t name; | |
| 523 | 25 |
| 657 | 26 unsigned length:16; |
| 27 unsigned utf8:1; | |
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28 } ngx_http_charset_t; |
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31 typedef struct { |
| 657 | 32 ngx_int_t src; |
| 33 ngx_int_t dst; | |
| 529 | 34 } ngx_http_charset_recode_t; |
| 35 | |
| 36 | |
| 37 typedef struct { | |
| 657 | 38 ngx_int_t src; |
| 39 ngx_int_t dst; | |
| 40 u_char *src2dst; | |
| 41 u_char *dst2src; | |
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42 } ngx_http_charset_tables_t; |
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45 typedef struct { |
| 657 | 46 ngx_array_t charsets; /* ngx_http_charset_t */ |
| 47 ngx_array_t tables; /* ngx_http_charset_tables_t */ | |
| 48 ngx_array_t recodes; /* ngx_http_charset_recode_t */ | |
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49 } ngx_http_charset_main_conf_t; |
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52 typedef struct { |
| 657 | 53 ngx_int_t charset; |
| 54 ngx_int_t source_charset; | |
| 55 ngx_flag_t override_charset; | |
| 2167 | 56 |
| 57 ngx_hash_t types; | |
| 58 ngx_array_t *types_keys; | |
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59 } ngx_http_charset_loc_conf_t; |
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60 |
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62 typedef struct { |
| 657 | 63 u_char *table; |
| 64 ngx_int_t charset; | |
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65 ngx_str_t charset_name; |
| 657 | 66 |
| 67 ngx_chain_t *busy; | |
| 68 ngx_chain_t *free_bufs; | |
| 69 ngx_chain_t *free_buffers; | |
| 70 | |
| 71 size_t saved_len; | |
| 72 u_char saved[NGX_UTF_LEN]; | |
| 73 | |
| 74 unsigned length:16; | |
| 75 unsigned from_utf8:1; | |
| 76 unsigned to_utf8:1; | |
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77 } ngx_http_charset_ctx_t; |
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79 |
| 657 | 80 typedef struct { |
| 81 ngx_http_charset_tables_t *table; | |
| 82 ngx_http_charset_t *charset; | |
| 83 ngx_uint_t characters; | |
| 84 } ngx_http_charset_conf_ctx_t; | |
| 85 | |
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86 |
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87 static ngx_int_t ngx_http_destination_charset(ngx_http_request_t *r, |
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88 ngx_str_t *name); |
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89 static ngx_int_t ngx_http_main_request_charset(ngx_http_request_t *r, |
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90 ngx_str_t *name); |
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91 static ngx_int_t ngx_http_source_charset(ngx_http_request_t *r, |
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92 ngx_str_t *name); |
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93 static ngx_int_t ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name); |
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94 static ngx_inline void ngx_http_set_charset(ngx_http_request_t *r, |
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95 ngx_str_t *charset); |
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96 static ngx_int_t ngx_http_charset_ctx(ngx_http_request_t *r, |
| 657 | 97 ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset); |
| 98 static ngx_uint_t ngx_http_charset_recode(ngx_buf_t *b, u_char *table); | |
| 99 static ngx_chain_t *ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, | |
| 100 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
| 101 static ngx_chain_t *ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, | |
| 102 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
| 103 | |
| 104 static ngx_chain_t *ngx_http_charset_get_buf(ngx_pool_t *pool, | |
| 105 ngx_http_charset_ctx_t *ctx); | |
| 106 static ngx_chain_t *ngx_http_charset_get_buffer(ngx_pool_t *pool, | |
| 107 ngx_http_charset_ctx_t *ctx, size_t size); | |
| 108 | |
| 109 static char *ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 501 | 110 void *conf); |
| 657 | 111 static char *ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, |
| 112 void *conf); | |
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114 static char *ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
| 501 | 115 void *conf); |
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116 static ngx_int_t ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name); |
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118 static void *ngx_http_charset_create_main_conf(ngx_conf_t *cf); |
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119 static void *ngx_http_charset_create_loc_conf(ngx_conf_t *cf); |
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120 static char *ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, |
| 501 | 121 void *parent, void *child); |
| 529 | 122 static ngx_int_t ngx_http_charset_postconfiguration(ngx_conf_t *cf); |
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123 |
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124 |
| 2167 | 125 ngx_str_t ngx_http_charset_default_types[] = { |
| 126 ngx_string("text/html"), | |
| 127 ngx_string("text/xml"), | |
| 128 ngx_string("text/plain"), | |
| 129 ngx_string("text/vnd.wap.wml"), | |
| 130 ngx_string("application/x-javascript"), | |
| 131 ngx_string("application/rss+xml"), | |
| 132 ngx_null_string | |
| 133 }; | |
| 134 | |
| 135 | |
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136 static ngx_command_t ngx_http_charset_filter_commands[] = { |
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137 |
| 529 | 138 { ngx_string("charset"), |
| 559 | 139 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| 140 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 529 | 141 ngx_http_set_charset_slot, |
| 142 NGX_HTTP_LOC_CONF_OFFSET, | |
| 143 offsetof(ngx_http_charset_loc_conf_t, charset), | |
| 144 NULL }, | |
| 145 | |
| 146 { ngx_string("source_charset"), | |
| 559 | 147 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
| 148 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 529 | 149 ngx_http_set_charset_slot, |
| 150 NGX_HTTP_LOC_CONF_OFFSET, | |
| 151 offsetof(ngx_http_charset_loc_conf_t, source_charset), | |
| 152 NULL }, | |
| 153 | |
| 635 | 154 { ngx_string("override_charset"), |
| 155 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF | |
| 156 |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, | |
| 157 ngx_conf_set_flag_slot, | |
| 158 NGX_HTTP_LOC_CONF_OFFSET, | |
| 159 offsetof(ngx_http_charset_loc_conf_t, override_charset), | |
| 160 NULL }, | |
| 161 | |
| 2167 | 162 { ngx_string("charset_types"), |
| 163 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 164 ngx_http_types_slot, | |
| 165 NGX_HTTP_LOC_CONF_OFFSET, | |
| 166 offsetof(ngx_http_charset_loc_conf_t, types_keys), | |
| 167 &ngx_http_charset_default_types[0] }, | |
| 168 | |
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169 { ngx_string("charset_map"), |
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170 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, |
| 657 | 171 ngx_http_charset_map_block, |
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172 NGX_HTTP_MAIN_CONF_OFFSET, |
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173 0, |
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174 NULL }, |
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175 |
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176 ngx_null_command |
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177 }; |
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178 |
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179 |
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180 static ngx_http_module_t ngx_http_charset_filter_module_ctx = { |
| 509 | 181 NULL, /* preconfiguration */ |
| 529 | 182 ngx_http_charset_postconfiguration, /* postconfiguration */ |
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184 ngx_http_charset_create_main_conf, /* create main configuration */ |
| 529 | 185 NULL, /* init main configuration */ |
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186 |
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187 NULL, /* create server configuration */ |
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188 NULL, /* merge server configuration */ |
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189 |
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190 ngx_http_charset_create_loc_conf, /* create location configuration */ |
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191 ngx_http_charset_merge_loc_conf /* merge location configuration */ |
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192 }; |
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193 |
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194 |
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195 ngx_module_t ngx_http_charset_filter_module = { |
| 509 | 196 NGX_MODULE_V1, |
|
99
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197 &ngx_http_charset_filter_module_ctx, /* module context */ |
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198 ngx_http_charset_filter_commands, /* module directives */ |
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199 NGX_HTTP_MODULE, /* module type */ |
| 541 | 200 NULL, /* init master */ |
| 681 | 201 NULL, /* init module */ |
| 541 | 202 NULL, /* init process */ |
| 203 NULL, /* init thread */ | |
| 204 NULL, /* exit thread */ | |
| 205 NULL, /* exit process */ | |
| 206 NULL, /* exit master */ | |
| 207 NGX_MODULE_V1_PADDING | |
|
99
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208 }; |
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209 |
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210 |
|
155
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211 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
|
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212 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
|
99
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213 |
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214 |
| 501 | 215 static ngx_int_t |
| 216 ngx_http_charset_header_filter(ngx_http_request_t *r) | |
|
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217 { |
| 635 | 218 ngx_int_t charset, source_charset; |
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219 ngx_str_t dst, src; |
|
339
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220 ngx_http_charset_t *charsets; |
|
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221 ngx_http_charset_main_conf_t *mcf; |
|
99
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222 |
| 653 | 223 if (r == r->main) { |
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224 charset = ngx_http_destination_charset(r, &dst); |
| 653 | 225 |
| 226 } else { | |
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227 charset = ngx_http_main_request_charset(r, &dst); |
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228 } |
| 657 | 229 |
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230 if (charset == NGX_ERROR) { |
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231 return NGX_ERROR; |
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232 } |
| 653 | 233 |
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234 if (charset == NGX_DECLINED) { |
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235 return ngx_http_next_header_filter(r); |
|
389
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236 } |
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237 |
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238 /* charset: charset index or NGX_HTTP_NO_CHARSET */ |
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239 |
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240 source_charset = ngx_http_source_charset(r, &src); |
|
752
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241 |
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242 if (source_charset == NGX_ERROR) { |
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243 return NGX_ERROR; |
| 657 | 244 } |
| 635 | 245 |
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246 /* |
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247 * source_charset: charset index, NGX_HTTP_NO_CHARSET, |
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248 * or NGX_HTTP_CHARSET_OFF |
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249 */ |
| 635 | 250 |
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251 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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252 "charset: \"%V\" > \"%V\"", &src, &dst); |
| 663 | 253 |
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254 if (source_charset == NGX_HTTP_CHARSET_OFF) { |
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255 |
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256 if (r == r->main) { |
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257 ngx_http_set_charset(r, &dst); |
| 661 | 258 } |
| 635 | 259 |
| 657 | 260 return ngx_http_next_header_filter(r); |
| 261 } | |
| 635 | 262 |
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263 if (charset == NGX_HTTP_NO_CHARSET |
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264 || source_charset == NGX_HTTP_NO_CHARSET) |
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265 { |
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266 if (source_charset != charset |
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267 || ngx_strncasecmp(dst.data, src.data, dst.len) != 0) |
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268 { |
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269 goto no_charset_map; |
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270 } |
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271 |
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272 ngx_http_set_charset(r, &dst); |
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273 |
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274 return ngx_http_next_header_filter(r); |
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275 } |
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276 |
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277 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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278 charsets = mcf->charsets.elts; |
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279 |
| 657 | 280 if (source_charset != charset |
| 281 && (charsets[source_charset].tables == NULL | |
| 282 || charsets[source_charset].tables[charset] == NULL)) | |
| 283 { | |
| 663 | 284 goto no_charset_map; |
|
133
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285 } |
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286 |
| 657 | 287 r->headers_out.content_type.len = r->headers_out.content_type_len; |
| 288 | |
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289 ngx_http_set_charset(r, &dst); |
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290 |
| 2890 | 291 if (source_charset != charset) { |
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292 return ngx_http_charset_ctx(r, charsets, charset, source_charset); |
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293 } |
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294 |
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295 return ngx_http_next_header_filter(r); |
| 663 | 296 |
| 297 no_charset_map: | |
| 298 | |
| 299 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1587 | 300 "no \"charset_map\" between the charsets \"%V\" and \"%V\"", |
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301 &src, &dst); |
| 663 | 302 |
| 303 return ngx_http_next_header_filter(r); | |
| 657 | 304 } |
| 305 | |
| 306 | |
| 307 static ngx_int_t | |
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308 ngx_http_destination_charset(ngx_http_request_t *r, ngx_str_t *name) |
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309 { |
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310 ngx_int_t charset; |
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311 ngx_http_charset_t *charsets; |
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312 ngx_http_variable_value_t *vv; |
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313 ngx_http_charset_loc_conf_t *mlcf; |
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314 ngx_http_charset_main_conf_t *mcf; |
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315 |
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316 if (!r->ignore_content_encoding |
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317 && r->headers_out.content_encoding |
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318 && r->headers_out.content_encoding->value.len) |
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319 { |
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320 return NGX_DECLINED; |
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321 } |
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322 |
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323 if (r->headers_out.content_type.len == 0) { |
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324 return NGX_DECLINED; |
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325 } |
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326 |
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327 if (r->headers_out.override_charset |
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328 && r->headers_out.override_charset->len) |
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329 { |
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330 *name = *r->headers_out.override_charset; |
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331 |
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332 charset = ngx_http_get_charset(r, name); |
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333 |
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334 if (charset != NGX_HTTP_NO_CHARSET) { |
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335 return charset; |
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336 } |
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337 |
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338 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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339 "unknown charset \"%V\" to override", name); |
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340 |
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341 return NGX_DECLINED; |
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342 } |
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343 |
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344 mlcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); |
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345 charset = mlcf->charset; |
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346 |
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347 if (charset == NGX_HTTP_CHARSET_OFF) { |
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348 return NGX_DECLINED; |
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349 } |
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350 |
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351 if (r->headers_out.charset.len) { |
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352 if (mlcf->override_charset == 0) { |
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353 return NGX_DECLINED; |
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354 } |
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355 |
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356 } else { |
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357 if (ngx_http_test_content_type(r, &mlcf->types) == NULL) { |
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358 return NGX_DECLINED; |
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359 } |
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360 } |
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361 |
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362 if (charset < NGX_HTTP_CHARSET_VAR) { |
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363 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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364 charsets = mcf->charsets.elts; |
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365 *name = charsets[charset].name; |
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366 return charset; |
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367 } |
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368 |
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369 vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); |
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370 |
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371 if (vv == NULL || vv->not_found) { |
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372 return NGX_ERROR; |
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373 } |
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374 |
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375 name->len = vv->len; |
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376 name->data = vv->data; |
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377 |
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378 return ngx_http_get_charset(r, name); |
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379 } |
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380 |
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381 |
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382 static ngx_int_t |
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383 ngx_http_main_request_charset(ngx_http_request_t *r, ngx_str_t *src) |
| 657 | 384 { |
|
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385 ngx_int_t charset; |
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386 ngx_str_t *main_charset; |
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387 ngx_http_charset_ctx_t *ctx; |
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388 |
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389 ctx = ngx_http_get_module_ctx(r->main, ngx_http_charset_filter_module); |
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390 |
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391 if (ctx) { |
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392 *src = ctx->charset_name; |
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393 return ctx->charset; |
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394 } |
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395 |
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396 main_charset = &r->main->headers_out.charset; |
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397 |
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398 if (main_charset->len == 0) { |
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399 return NGX_DECLINED; |
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400 } |
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401 |
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402 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
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403 if (ctx == NULL) { |
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404 return NGX_ERROR; |
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405 } |
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406 |
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407 ngx_http_set_ctx(r->main, ctx, ngx_http_charset_filter_module); |
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408 |
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409 charset = ngx_http_get_charset(r, main_charset); |
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410 |
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411 ctx->charset = charset; |
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412 ctx->charset_name = *main_charset; |
| 2890 | 413 *src = *main_charset; |
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414 |
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415 return charset; |
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416 } |
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417 |
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418 |
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419 static ngx_int_t |
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420 ngx_http_source_charset(ngx_http_request_t *r, ngx_str_t *name) |
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421 { |
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422 ngx_int_t charset; |
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423 ngx_http_charset_t *charsets; |
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424 ngx_http_variable_value_t *vv; |
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425 ngx_http_charset_loc_conf_t *lcf; |
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426 ngx_http_charset_main_conf_t *mcf; |
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427 |
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428 if (r->headers_out.charset.len) { |
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429 *name = r->headers_out.charset; |
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430 return ngx_http_get_charset(r, name); |
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431 } |
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432 |
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433 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); |
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434 |
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435 charset = lcf->source_charset; |
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436 |
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437 if (charset == NGX_HTTP_CHARSET_OFF) { |
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438 name->len = 0; |
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439 return charset; |
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440 } |
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441 |
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442 if (charset < NGX_HTTP_CHARSET_VAR) { |
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443 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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444 charsets = mcf->charsets.elts; |
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445 *name = charsets[charset].name; |
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446 return charset; |
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447 } |
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448 |
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449 vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); |
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450 |
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451 if (vv == NULL || vv->not_found) { |
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452 return NGX_ERROR; |
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453 } |
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454 |
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455 name->len = vv->len; |
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456 name->data = vv->data; |
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457 |
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458 return ngx_http_get_charset(r, name); |
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459 } |
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460 |
|
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461 |
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462 static ngx_int_t |
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463 ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name) |
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464 { |
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465 ngx_uint_t i, n; |
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466 ngx_http_charset_t *charset; |
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467 ngx_http_charset_main_conf_t *mcf; |
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468 |
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469 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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470 |
|
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471 charset = mcf->charsets.elts; |
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472 n = mcf->charsets.nelts; |
| 657 | 473 |
| 474 for (i = 0; i < n; i++) { | |
|
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475 if (charset[i].name.len != name->len) { |
|
752
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476 continue; |
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477 } |
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478 |
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479 if (ngx_strncasecmp(charset[i].name.data, name->data, name->len) == 0) { |
| 657 | 480 return i; |
| 481 } | |
| 482 } | |
| 483 | |
| 484 return NGX_HTTP_NO_CHARSET; | |
| 485 } | |
| 486 | |
| 487 | |
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488 static ngx_inline void |
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489 ngx_http_set_charset(ngx_http_request_t *r, ngx_str_t *charset) |
| 657 | 490 { |
|
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491 if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY |
| 501 | 492 || r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY) |
|
99
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493 { |
|
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494 /* |
| 635 | 495 * do not set charset for the redirect because NN 4.x |
| 496 * use this charset instead of the next page charset | |
|
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497 */ |
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498 |
|
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499 r->headers_out.charset.len = 0; |
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500 return; |
|
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501 } |
|
99
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502 |
|
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503 r->headers_out.charset = *charset; |
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504 } |
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505 |
| 635 | 506 |
|
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507 static ngx_int_t |
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508 ngx_http_charset_ctx(ngx_http_request_t *r, ngx_http_charset_t *charsets, |
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509 ngx_int_t charset, ngx_int_t source_charset) |
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510 { |
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511 ngx_http_charset_ctx_t *ctx; |
|
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512 |
| 501 | 513 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
| 514 if (ctx == NULL) { | |
| 515 return NGX_ERROR; | |
| 516 } | |
| 517 | |
| 518 ngx_http_set_ctx(r, ctx, ngx_http_charset_filter_module); | |
| 519 | |
| 635 | 520 ctx->table = charsets[source_charset].tables[charset]; |
| 521 ctx->charset = charset; | |
| 2890 | 522 ctx->charset_name = charsets[charset].name; |
| 657 | 523 ctx->length = charsets[charset].length; |
| 524 ctx->from_utf8 = charsets[source_charset].utf8; | |
| 525 ctx->to_utf8 = charsets[charset].utf8; | |
| 526 | |
| 663 | 527 r->filter_need_in_memory = 1; |
| 528 | |
| 657 | 529 if ((ctx->to_utf8 || ctx->from_utf8) && r == r->main) { |
| 530 ngx_http_clear_content_length(r); | |
| 663 | 531 |
| 532 } else { | |
| 533 r->filter_need_temporary = 1; | |
| 657 | 534 } |
|
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535 |
|
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536 return ngx_http_next_header_filter(r); |
|
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537 } |
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538 |
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539 |
| 501 | 540 static ngx_int_t |
| 541 ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
|
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542 { |
| 657 | 543 ngx_int_t rc; |
| 544 ngx_buf_t *b; | |
| 545 ngx_chain_t *cl, *out, **ll; | |
| 635 | 546 ngx_http_charset_ctx_t *ctx; |
|
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547 |
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548 ctx = ngx_http_get_module_ctx(r, ngx_http_charset_filter_module); |
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549 |
| 635 | 550 if (ctx == NULL || ctx->table == NULL) { |
|
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551 return ngx_http_next_body_filter(r, in); |
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552 } |
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553 |
| 657 | 554 if ((ctx->to_utf8 || ctx->from_utf8) || ctx->busy) { |
| 555 | |
| 556 out = NULL; | |
| 557 ll = &out; | |
| 558 | |
| 559 for (cl = in; cl; cl = cl->next) { | |
| 560 b = cl->buf; | |
| 561 | |
| 562 if (ngx_buf_size(b) == 0) { | |
| 665 | 563 |
| 564 *ll = ngx_alloc_chain_link(r->pool); | |
| 565 if (*ll == NULL) { | |
| 566 return NGX_ERROR; | |
| 567 } | |
| 568 | |
| 569 (*ll)->buf = b; | |
| 570 (*ll)->next = NULL; | |
| 571 | |
| 572 ll = &(*ll)->next; | |
| 573 | |
| 657 | 574 continue; |
| 575 } | |
| 576 | |
| 577 if (ctx->to_utf8) { | |
| 578 *ll = ngx_http_charset_recode_to_utf8(r->pool, b, ctx); | |
| 579 | |
| 580 } else { | |
| 581 *ll = ngx_http_charset_recode_from_utf8(r->pool, b, ctx); | |
| 582 } | |
| 583 | |
| 584 if (*ll == NULL) { | |
| 585 return NGX_ERROR; | |
| 586 } | |
| 587 | |
| 588 while (*ll) { | |
| 589 ll = &(*ll)->next; | |
| 590 } | |
| 591 } | |
| 592 | |
| 593 rc = ngx_http_next_body_filter(r, out); | |
| 594 | |
| 595 if (out) { | |
| 596 if (ctx->busy == NULL) { | |
| 597 ctx->busy = out; | |
| 598 | |
| 599 } else { | |
| 600 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } | |
| 601 cl->next = out; | |
| 602 } | |
| 603 } | |
| 604 | |
| 605 while (ctx->busy) { | |
| 606 | |
| 607 cl = ctx->busy; | |
| 608 b = cl->buf; | |
| 609 | |
| 610 if (ngx_buf_size(b) != 0) { | |
| 611 break; | |
| 612 } | |
| 613 | |
| 614 ctx->busy = cl->next; | |
| 615 | |
| 616 if (b->tag != (ngx_buf_tag_t) &ngx_http_charset_filter_module) { | |
| 617 continue; | |
| 618 } | |
| 619 | |
| 620 if (b->shadow) { | |
| 621 b->shadow->pos = b->shadow->last; | |
| 622 } | |
| 623 | |
| 624 if (b->pos) { | |
| 625 cl->next = ctx->free_buffers; | |
| 626 ctx->free_buffers = cl; | |
| 627 continue; | |
| 628 } | |
| 629 | |
| 630 cl->next = ctx->free_bufs; | |
| 631 ctx->free_bufs = cl; | |
| 632 } | |
| 633 | |
| 634 return rc; | |
| 635 } | |
| 636 | |
|
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637 for (cl = in; cl; cl = cl->next) { |
| 635 | 638 (void) ngx_http_charset_recode(cl->buf, ctx->table); |
|
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639 } |
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640 |
|
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641 return ngx_http_next_body_filter(r, in); |
|
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642 } |
|
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643 |
|
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644 |
| 501 | 645 static ngx_uint_t |
| 635 | 646 ngx_http_charset_recode(ngx_buf_t *b, u_char *table) |
|
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647 { |
|
1944
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648 u_char *p, *last; |
| 635 | 649 |
|
1944
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650 last = b->last; |
| 455 | 651 |
|
1944
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652 for (p = b->pos; p < last; p++) { |
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|
653 |
|
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parents:
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changeset
|
654 if (*p != table[*p]) { |
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655 goto recode; |
| 455 | 656 } |
| 657 } | |
| 658 | |
| 635 | 659 return 0; |
|
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parents:
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660 |
|
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parents:
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661 recode: |
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changeset
|
662 |
|
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parents:
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|
663 do { |
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parents:
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changeset
|
664 if (*p != table[*p]) { |
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parents:
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|
665 *p = table[*p]; |
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parents:
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|
666 } |
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parents:
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diff
changeset
|
667 |
|
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parents:
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668 p++; |
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669 |
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670 } while (p < last); |
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671 |
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672 b->in_file = 0; |
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673 |
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674 return 1; |
|
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675 } |
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99
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nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
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676 |
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|
677 |
| 657 | 678 static ngx_chain_t * |
| 679 ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
| 680 ngx_http_charset_ctx_t *ctx) | |
| 681 { | |
| 682 size_t len, size; | |
| 683 u_char c, *p, *src, *dst, *saved, **table; | |
| 684 uint32_t n; | |
| 685 ngx_buf_t *b; | |
| 686 ngx_uint_t i; | |
| 687 ngx_chain_t *out, *cl, **ll; | |
| 688 | |
| 689 src = buf->pos; | |
| 690 | |
| 691 if (ctx->saved_len == 0) { | |
| 692 | |
| 693 for ( /* void */ ; src < buf->last; src++) { | |
| 694 | |
| 695 if (*src < 0x80) { | |
| 696 continue; | |
| 697 } | |
| 698 | |
| 699 len = src - buf->pos; | |
| 700 | |
| 701 if (len > 512) { | |
| 702 out = ngx_http_charset_get_buf(pool, ctx); | |
| 703 if (out == NULL) { | |
| 704 return NULL; | |
| 705 } | |
| 706 | |
| 707 b = out->buf; | |
| 708 | |
| 709 b->temporary = buf->temporary; | |
| 710 b->memory = buf->memory; | |
| 711 b->mmap = buf->mmap; | |
| 712 b->flush = buf->flush; | |
| 713 | |
| 714 b->pos = buf->pos; | |
| 715 b->last = src; | |
| 716 | |
| 717 out->buf = b; | |
| 718 out->next = NULL; | |
| 719 | |
| 720 size = buf->last - src; | |
| 721 | |
| 722 saved = src; | |
|
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|
723 n = ngx_utf8_decode(&saved, size); |
| 657 | 724 |
| 725 if (n == 0xfffffffe) { | |
| 726 /* incomplete UTF-8 symbol */ | |
| 727 | |
| 728 ngx_memcpy(ctx->saved, src, size); | |
| 729 ctx->saved_len = size; | |
| 730 | |
| 731 b->shadow = buf; | |
| 732 | |
| 733 return out; | |
| 734 } | |
| 735 | |
| 736 } else { | |
| 737 out = NULL; | |
| 738 size = len + buf->last - src; | |
| 739 src = buf->pos; | |
| 740 } | |
| 741 | |
| 742 if (size < NGX_HTML_ENTITY_LEN) { | |
| 743 size += NGX_HTML_ENTITY_LEN; | |
| 744 } | |
| 745 | |
| 746 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 747 if (cl == NULL) { | |
| 748 return NULL; | |
| 749 } | |
| 750 | |
| 751 if (out) { | |
| 752 out->next = cl; | |
| 753 | |
| 754 } else { | |
| 755 out = cl; | |
| 756 } | |
| 757 | |
| 758 b = cl->buf; | |
| 759 dst = b->pos; | |
| 760 | |
| 761 goto recode; | |
| 762 } | |
| 763 | |
| 764 out = ngx_alloc_chain_link(pool); | |
| 765 if (out == NULL) { | |
| 766 return NULL; | |
| 767 } | |
| 768 | |
| 769 out->buf = buf; | |
| 770 out->next = NULL; | |
| 771 | |
| 772 return out; | |
| 773 } | |
| 774 | |
| 775 /* process incomplete UTF sequence from previous buffer */ | |
| 776 | |
| 777 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 778 "http charset utf saved: %z", ctx->saved_len); | |
| 779 | |
| 780 p = src; | |
| 781 | |
| 782 for (i = ctx->saved_len; i < NGX_UTF_LEN; i++) { | |
| 783 ctx->saved[i] = *p++; | |
| 784 | |
| 785 if (p == buf->last) { | |
| 786 break; | |
| 787 } | |
| 788 } | |
| 789 | |
| 790 saved = ctx->saved; | |
|
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changeset
|
791 n = ngx_utf8_decode(&saved, i); |
| 657 | 792 |
| 793 c = '\0'; | |
| 794 | |
| 795 if (n < 0x10000) { | |
| 796 table = (u_char **) ctx->table; | |
| 797 p = table[n >> 8]; | |
| 798 | |
| 799 if (p) { | |
| 800 c = p[n & 0xff]; | |
| 801 } | |
| 802 | |
| 803 } else if (n == 0xfffffffe) { | |
| 804 | |
| 805 /* incomplete UTF-8 symbol */ | |
| 806 | |
| 807 if (i < NGX_UTF_LEN) { | |
| 808 out = ngx_http_charset_get_buf(pool, ctx); | |
| 809 if (out == NULL) { | |
| 810 return NULL; | |
| 811 } | |
| 812 | |
| 813 b = out->buf; | |
| 814 | |
| 815 b->pos = buf->pos; | |
| 816 b->last = buf->last; | |
| 817 b->sync = 1; | |
| 818 b->shadow = buf; | |
| 819 | |
| 820 ngx_memcpy(&ctx->saved[ctx->saved_len], src, i); | |
| 821 ctx->saved_len += i; | |
| 822 | |
| 823 return out; | |
| 824 } | |
| 825 } | |
| 826 | |
| 827 size = buf->last - buf->pos; | |
| 828 | |
| 829 if (size < NGX_HTML_ENTITY_LEN) { | |
| 830 size += NGX_HTML_ENTITY_LEN; | |
| 831 } | |
| 832 | |
| 833 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 834 if (cl == NULL) { | |
| 835 return NULL; | |
| 836 } | |
| 837 | |
| 838 out = cl; | |
| 839 | |
| 840 b = cl->buf; | |
| 841 dst = b->pos; | |
| 842 | |
| 843 if (c) { | |
| 844 *dst++ = c; | |
| 845 | |
| 846 } else if (n == 0xfffffffe) { | |
| 847 *dst++ = '?'; | |
| 848 | |
| 849 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 850 "http charset invalid utf 0"); | |
| 851 | |
| 852 saved = &ctx->saved[NGX_UTF_LEN]; | |
| 853 | |
| 854 } else if (n > 0x10ffff) { | |
| 855 *dst++ = '?'; | |
| 856 | |
| 857 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 858 "http charset invalid utf 1"); | |
| 859 | |
| 860 } else { | |
| 861 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 862 } | |
| 863 | |
| 864 src += (saved - ctx->saved) - ctx->saved_len; | |
| 865 ctx->saved_len = 0; | |
| 866 | |
| 867 recode: | |
| 868 | |
| 869 ll = &cl->next; | |
| 870 | |
| 871 table = (u_char **) ctx->table; | |
| 872 | |
| 873 while (src < buf->last) { | |
| 874 | |
| 875 if ((size_t) (b->end - dst) < NGX_HTML_ENTITY_LEN) { | |
| 876 b->last = dst; | |
| 877 | |
| 878 size = buf->last - src + NGX_HTML_ENTITY_LEN; | |
| 879 | |
| 880 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 881 if (cl == NULL) { | |
| 882 return NULL; | |
| 883 } | |
| 884 | |
| 885 *ll = cl; | |
| 886 ll = &cl->next; | |
| 887 | |
| 888 b = cl->buf; | |
| 889 dst = b->pos; | |
| 890 } | |
| 891 | |
| 892 if (*src < 0x80) { | |
| 893 *dst++ = *src++; | |
| 894 continue; | |
| 895 } | |
| 896 | |
| 897 len = buf->last - src; | |
| 898 | |
|
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diff
changeset
|
899 n = ngx_utf8_decode(&src, len); |
| 657 | 900 |
| 901 if (n < 0x10000) { | |
| 902 | |
| 903 p = table[n >> 8]; | |
| 904 | |
| 905 if (p) { | |
| 906 c = p[n & 0xff]; | |
| 907 | |
| 908 if (c) { | |
| 909 *dst++ = c; | |
| 910 continue; | |
| 911 } | |
| 912 } | |
| 913 | |
| 914 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 915 | |
| 916 continue; | |
| 917 } | |
| 918 | |
| 919 if (n == 0xfffffffe) { | |
| 920 /* incomplete UTF-8 symbol */ | |
| 921 | |
| 922 ngx_memcpy(ctx->saved, src, len); | |
| 923 ctx->saved_len = len; | |
| 924 | |
| 925 if (b->pos == dst) { | |
| 926 b->sync = 1; | |
| 927 b->temporary = 0; | |
| 928 } | |
| 929 | |
| 930 break; | |
| 931 } | |
| 932 | |
| 933 if (n > 0x10ffff) { | |
| 934 *dst++ = '?'; | |
| 935 | |
| 936 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
| 937 "http charset invalid utf 2"); | |
| 938 | |
| 939 continue; | |
| 940 } | |
| 941 | |
| 942 /* n > 0xffff */ | |
| 943 | |
| 944 dst = ngx_sprintf(dst, "&#%uD;", n); | |
| 945 } | |
| 946 | |
| 947 b->last = dst; | |
| 948 | |
| 949 b->last_buf = buf->last_buf; | |
| 950 b->last_in_chain = buf->last_in_chain; | |
| 951 b->flush = buf->flush; | |
| 952 | |
| 953 b->shadow = buf; | |
| 954 | |
| 955 return out; | |
| 956 } | |
| 957 | |
| 958 | |
| 959 static ngx_chain_t * | |
| 960 ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
| 961 ngx_http_charset_ctx_t *ctx) | |
| 962 { | |
| 963 size_t len, size; | |
| 964 u_char *p, *src, *dst, *table; | |
| 965 ngx_buf_t *b; | |
| 966 ngx_chain_t *out, *cl, **ll; | |
| 967 | |
| 968 table = ctx->table; | |
| 969 | |
| 970 for (src = buf->pos; src < buf->last; src++) { | |
| 971 if (table[*src * NGX_UTF_LEN] == '\1') { | |
| 972 continue; | |
| 973 } | |
| 974 | |
| 975 goto recode; | |
| 976 } | |
| 977 | |
| 978 out = ngx_alloc_chain_link(pool); | |
| 979 if (out == NULL) { | |
| 980 return NULL; | |
| 981 } | |
| 982 | |
| 983 out->buf = buf; | |
| 984 out->next = NULL; | |
| 985 | |
| 986 return out; | |
| 987 | |
| 988 recode: | |
| 989 | |
| 990 /* | |
| 991 * we assume that there are about half of characters to be recoded, | |
| 992 * so we preallocate "size / 2 + size / 2 * ctx->length" | |
| 993 */ | |
| 994 | |
| 995 len = src - buf->pos; | |
| 996 | |
| 997 if (len > 512) { | |
| 998 out = ngx_http_charset_get_buf(pool, ctx); | |
| 999 if (out == NULL) { | |
| 1000 return NULL; | |
| 1001 } | |
| 1002 | |
| 1003 b = out->buf; | |
| 1004 | |
| 1005 b->temporary = buf->temporary; | |
| 1006 b->memory = buf->memory; | |
| 1007 b->mmap = buf->mmap; | |
| 1008 b->flush = buf->flush; | |
| 1009 | |
| 1010 b->pos = buf->pos; | |
| 1011 b->last = src; | |
| 1012 | |
| 1013 out->buf = b; | |
| 1014 out->next = NULL; | |
| 1015 | |
| 1016 size = buf->last - src; | |
| 1017 size = size / 2 + size / 2 * ctx->length; | |
| 1018 | |
| 1019 } else { | |
| 1020 out = NULL; | |
| 1021 | |
| 1022 size = buf->last - src; | |
| 1023 size = len + size / 2 + size / 2 * ctx->length; | |
| 1024 | |
| 1025 src = buf->pos; | |
| 1026 } | |
| 1027 | |
| 1028 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 1029 if (cl == NULL) { | |
| 1030 return NULL; | |
| 1031 } | |
| 1032 | |
| 1033 if (out) { | |
| 1034 out->next = cl; | |
| 1035 | |
| 1036 } else { | |
| 1037 out = cl; | |
| 1038 } | |
| 1039 | |
| 1040 ll = &cl->next; | |
| 1041 | |
| 1042 b = cl->buf; | |
| 1043 dst = b->pos; | |
| 1044 | |
| 1045 while (src < buf->last) { | |
| 1046 | |
| 1047 p = &table[*src++ * NGX_UTF_LEN]; | |
| 1048 len = *p++; | |
| 1049 | |
| 1050 if ((size_t) (b->end - dst) < len) { | |
| 1051 b->last = dst; | |
| 1052 | |
| 1053 size = buf->last - src; | |
| 1054 size = len + size / 2 + size / 2 * ctx->length; | |
| 1055 | |
| 1056 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
| 1057 if (cl == NULL) { | |
| 1058 return NULL; | |
| 1059 } | |
| 1060 | |
| 1061 *ll = cl; | |
| 1062 ll = &cl->next; | |
| 1063 | |
| 1064 b = cl->buf; | |
| 1065 dst = b->pos; | |
| 1066 } | |
| 1067 | |
| 1068 while (len) { | |
| 1069 *dst++ = *p++; | |
| 1070 len--; | |
| 1071 } | |
| 1072 } | |
| 1073 | |
| 1074 b->last = dst; | |
| 1075 | |
| 1076 b->last_buf = buf->last_buf; | |
| 1077 b->last_in_chain = buf->last_in_chain; | |
| 1078 b->flush = buf->flush; | |
| 1079 | |
| 1080 b->shadow = buf; | |
| 1081 | |
| 1082 return out; | |
| 1083 } | |
| 1084 | |
| 1085 | |
| 1086 static ngx_chain_t * | |
| 1087 ngx_http_charset_get_buf(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx) | |
| 1088 { | |
| 1089 ngx_chain_t *cl; | |
| 1090 | |
| 1091 cl = ctx->free_bufs; | |
| 1092 | |
| 1093 if (cl) { | |
| 1094 ctx->free_bufs = cl->next; | |
| 1095 | |
| 1096 cl->buf->shadow = NULL; | |
| 1097 cl->next = NULL; | |
| 1098 | |
| 1099 return cl; | |
| 1100 } | |
| 1101 | |
| 1102 cl = ngx_alloc_chain_link(pool); | |
| 1103 if (cl == NULL) { | |
| 1104 return NULL; | |
| 1105 } | |
| 1106 | |
| 1107 cl->buf = ngx_calloc_buf(pool); | |
| 1108 if (cl->buf == NULL) { | |
| 1109 return NULL; | |
| 1110 } | |
| 1111 | |
| 1112 cl->next = NULL; | |
| 1113 | |
| 1114 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
| 1115 | |
| 1116 return cl; | |
| 1117 } | |
| 1118 | |
| 1119 | |
| 1120 static ngx_chain_t * | |
| 1121 ngx_http_charset_get_buffer(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx, | |
| 1122 size_t size) | |
| 1123 { | |
| 1124 ngx_buf_t *b; | |
| 1125 ngx_chain_t *cl, **ll; | |
| 1126 | |
| 1127 for (ll = &ctx->free_buffers, cl = ctx->free_buffers; | |
| 1128 cl; | |
| 1129 ll = &cl->next, cl = cl->next) | |
| 1130 { | |
| 1131 b = cl->buf; | |
| 1132 | |
| 1133 if ((size_t) (b->end - b->start) >= size) { | |
| 1134 *ll = cl->next; | |
| 1135 cl->next = NULL; | |
| 1136 | |
| 1137 b->pos = b->start; | |
| 1138 b->temporary = 1; | |
| 1139 b->shadow = NULL; | |
| 1140 | |
| 1141 return cl; | |
| 1142 } | |
| 1143 } | |
| 1144 | |
| 1145 cl = ngx_alloc_chain_link(pool); | |
| 1146 if (cl == NULL) { | |
| 1147 return NULL; | |
| 1148 } | |
| 1149 | |
| 1150 cl->buf = ngx_create_temp_buf(pool, size); | |
| 1151 if (cl->buf == NULL) { | |
| 1152 return NULL; | |
| 1153 } | |
| 1154 | |
| 1155 cl->next = NULL; | |
| 1156 | |
| 1157 cl->buf->temporary = 1; | |
| 1158 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
| 1159 | |
| 1160 return cl; | |
| 1161 } | |
| 1162 | |
| 1163 | |
| 501 | 1164 static char * |
| 657 | 1165 ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
|
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1166 { |
|
339
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1167 ngx_http_charset_main_conf_t *mcf = conf; |
|
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changeset
|
1168 |
| 657 | 1169 char *rv; |
| 1170 u_char *p, *dst2src, **pp; | |
| 1171 ngx_int_t src, dst; | |
| 1172 ngx_uint_t i, n; | |
| 1173 ngx_str_t *value; | |
| 1174 ngx_conf_t pvcf; | |
| 1175 ngx_http_charset_t *charset; | |
| 1176 ngx_http_charset_tables_t *table; | |
| 1177 ngx_http_charset_conf_ctx_t ctx; | |
|
339
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parents:
338
diff
changeset
|
1178 |
|
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parents:
338
diff
changeset
|
1179 value = cf->args->elts; |
|
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parents:
338
diff
changeset
|
1180 |
|
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1181 src = ngx_http_add_charset(&mcf->charsets, &value[1]); |
|
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parents:
338
diff
changeset
|
1182 if (src == NGX_ERROR) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1183 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1184 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1185 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1186 dst = ngx_http_add_charset(&mcf->charsets, &value[2]); |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1187 if (dst == NGX_ERROR) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1188 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1189 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1190 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1191 if (src == dst) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1192 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1193 "\"charset_map\" between the same charsets " |
| 461 | 1194 "\"%V\" and \"%V\"", &value[1], &value[2]); |
|
339
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Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1195 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1196 } |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1197 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1198 table = mcf->tables.elts; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1199 for (i = 0; i < mcf->tables.nelts; i++) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1200 if ((src == table->src && dst == table->dst) |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1201 || (src == table->dst && dst == table->src)) |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1202 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1203 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1204 "duplicate \"charset_map\" between " |
| 461 | 1205 "\"%V\" and \"%V\"", &value[1], &value[2]); |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1206 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1207 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1208 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1209 |
| 501 | 1210 table = ngx_array_push(&mcf->tables); |
| 1211 if (table == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1212 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1213 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1214 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1215 table->src = src; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1216 table->dst = dst; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1217 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
797
diff
changeset
|
1218 if (ngx_strcasecmp(value[2].data, (u_char *) "utf-8") == 0) { |
| 657 | 1219 table->src2dst = ngx_pcalloc(cf->pool, 256 * NGX_UTF_LEN); |
| 1220 if (table->src2dst == NULL) { | |
| 1221 return NGX_CONF_ERROR; | |
| 1222 } | |
| 1223 | |
| 1224 table->dst2src = ngx_pcalloc(cf->pool, 256 * sizeof(void *)); | |
| 1225 if (table->dst2src == NULL) { | |
| 1226 return NGX_CONF_ERROR; | |
| 1227 } | |
| 1228 | |
| 1229 dst2src = ngx_pcalloc(cf->pool, 256); | |
| 1230 if (dst2src == NULL) { | |
| 1231 return NGX_CONF_ERROR; | |
| 1232 } | |
| 1233 | |
| 1234 pp = (u_char **) &table->dst2src[0]; | |
| 1235 pp[0] = dst2src; | |
| 1236 | |
| 1237 for (i = 0; i < 128; i++) { | |
| 1238 p = &table->src2dst[i * NGX_UTF_LEN]; | |
| 1239 p[0] = '\1'; | |
| 1240 p[1] = (u_char) i; | |
| 1241 dst2src[i] = (u_char) i; | |
| 1242 } | |
|
339
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nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1243 |
| 657 | 1244 for (/* void */; i < 256; i++) { |
| 1245 p = &table->src2dst[i * NGX_UTF_LEN]; | |
| 1246 p[0] = '\1'; | |
| 1247 p[1] = '?'; | |
| 1248 } | |
| 1249 | |
| 1250 } else { | |
| 1251 table->src2dst = ngx_palloc(cf->pool, 256); | |
| 1252 if (table->src2dst == NULL) { | |
| 1253 return NGX_CONF_ERROR; | |
| 1254 } | |
| 1255 | |
| 1256 table->dst2src = ngx_palloc(cf->pool, 256); | |
| 1257 if (table->dst2src == NULL) { | |
| 1258 return NGX_CONF_ERROR; | |
| 1259 } | |
| 1260 | |
| 1261 for (i = 0; i < 128; i++) { | |
| 1262 table->src2dst[i] = (u_char) i; | |
| 1263 table->dst2src[i] = (u_char) i; | |
| 1264 } | |
| 1265 | |
| 1266 for (/* void */; i < 256; i++) { | |
| 1267 table->src2dst[i] = '?'; | |
| 1268 table->dst2src[i] = '?'; | |
| 1269 } | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1270 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1271 |
| 657 | 1272 charset = mcf->charsets.elts; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1273 |
| 657 | 1274 ctx.table = table; |
| 1275 ctx.charset = &charset[dst]; | |
| 1276 ctx.characters = 0; | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1277 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1278 pvcf = *cf; |
| 657 | 1279 cf->ctx = &ctx; |
| 1280 cf->handler = ngx_http_charset_map; | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1281 cf->handler_conf = conf; |
| 501 | 1282 |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1283 rv = ngx_conf_parse(cf, NULL); |
| 501 | 1284 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1285 *cf = pvcf; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1286 |
| 657 | 1287 if (ctx.characters) { |
| 1288 n = ctx.charset->length; | |
| 1289 ctx.charset->length /= ctx.characters; | |
| 1290 | |
| 1291 if (((n * 10) / ctx.characters) % 10 > 4) { | |
| 1292 ctx.charset->length++; | |
| 1293 } | |
| 1294 } | |
| 1295 | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1296 return rv; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1297 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1298 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1299 |
| 501 | 1300 static char * |
| 657 | 1301 ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1302 { |
| 657 | 1303 u_char *p, *dst2src, **pp; |
| 1304 uint32_t n; | |
| 1305 ngx_int_t src, dst; | |
| 1306 ngx_str_t *value; | |
| 1307 ngx_uint_t i; | |
| 1308 ngx_http_charset_tables_t *table; | |
| 1309 ngx_http_charset_conf_ctx_t *ctx; | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1310 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1311 if (cf->args->nelts != 2) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1312 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameters number"); |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1313 return NGX_CONF_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1314 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1315 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1316 value = cf->args->elts; |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1317 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1318 src = ngx_hextoi(value[0].data, value[0].len); |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1319 if (src == NGX_ERROR || src > 255) { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1320 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 461 | 1321 "invalid value \"%V\"", &value[0]); |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1322 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1323 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1324 |
| 657 | 1325 ctx = cf->ctx; |
| 1326 table = ctx->table; | |
| 1327 | |
| 1328 if (ctx->charset->utf8) { | |
| 1329 p = &table->src2dst[src * NGX_UTF_LEN]; | |
| 1330 | |
| 1331 *p++ = (u_char) (value[1].len / 2); | |
| 1332 | |
| 1333 for (i = 0; i < value[1].len; i += 2) { | |
| 1334 dst = ngx_hextoi(&value[1].data[i], 2); | |
| 1335 if (dst == NGX_ERROR || dst > 255) { | |
| 1336 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1337 "invalid value \"%V\"", &value[1]); | |
| 1338 return NGX_CONF_ERROR; | |
| 1339 } | |
| 1340 | |
| 1341 *p++ = (u_char) dst; | |
| 1342 } | |
| 1343 | |
| 1344 i /= 2; | |
| 1345 | |
| 1346 ctx->charset->length += i; | |
| 1347 ctx->characters++; | |
| 1348 | |
| 1349 p = &table->src2dst[src * NGX_UTF_LEN] + 1; | |
| 1350 | |
|
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2050
diff
changeset
|
1351 n = ngx_utf8_decode(&p, i); |
| 657 | 1352 |
| 1353 if (n > 0xffff) { | |
| 1354 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1355 "invalid value \"%V\"", &value[1]); | |
| 1356 return NGX_CONF_ERROR; | |
| 1357 } | |
| 1358 | |
| 1359 pp = (u_char **) &table->dst2src[0]; | |
| 1360 | |
| 1361 dst2src = pp[n >> 8]; | |
| 1362 | |
| 1363 if (dst2src == NULL) { | |
| 1364 dst2src = ngx_pcalloc(cf->pool, 256); | |
| 1365 if (dst2src == NULL) { | |
| 1366 return NGX_CONF_ERROR; | |
| 1367 } | |
| 1368 | |
| 1369 pp[n >> 8] = dst2src; | |
| 1370 } | |
| 1371 | |
| 1372 dst2src[n & 0xff] = (u_char) src; | |
| 1373 | |
| 1374 } else { | |
| 1375 dst = ngx_hextoi(value[1].data, value[1].len); | |
| 1376 if (dst == NGX_ERROR || dst > 255) { | |
| 1377 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1378 "invalid value \"%V\"", &value[1]); | |
| 1379 return NGX_CONF_ERROR; | |
| 1380 } | |
| 1381 | |
| 1382 table->src2dst[src] = (u_char) dst; | |
| 1383 table->dst2src[dst] = (u_char) src; | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1384 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1385 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1386 return NGX_CONF_OK; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1387 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1388 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1389 |
| 501 | 1390 static char * |
| 1391 ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1392 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1393 char *p = conf; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1394 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1395 ngx_int_t *cp; |
|
752
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1396 ngx_str_t *value, var; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1397 ngx_http_charset_main_conf_t *mcf; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1398 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1399 cp = (ngx_int_t *) (p + cmd->offset); |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1400 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1401 if (*cp != NGX_CONF_UNSET) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1402 return "is duplicate"; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1403 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1404 |
| 529 | 1405 value = cf->args->elts; |
| 1406 | |
| 1407 if (cmd->offset == offsetof(ngx_http_charset_loc_conf_t, charset) | |
| 1408 && ngx_strcmp(value[1].data, "off") == 0) | |
| 1409 { | |
|
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1410 *cp = NGX_HTTP_CHARSET_OFF; |
| 529 | 1411 return NGX_CONF_OK; |
| 1412 } | |
| 1413 | |
|
752
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1414 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1415 if (value[1].data[0] == '$') { |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1416 var.len = value[1].len - 1; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1417 var.data = value[1].data + 1; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1418 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1419 *cp = ngx_http_get_variable_index(cf, &var); |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1420 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1421 if (*cp == NGX_ERROR) { |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1422 return NGX_CONF_ERROR; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1423 } |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1424 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1425 *cp += NGX_HTTP_CHARSET_VAR; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1426 |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1427 return NGX_CONF_OK; |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1428 } |
|
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1429 |
|
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1430 mcf = ngx_http_conf_get_module_main_conf(cf, |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1431 ngx_http_charset_filter_module); |
|
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1432 |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1433 *cp = ngx_http_add_charset(&mcf->charsets, &value[1]); |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1434 if (*cp == NGX_ERROR) { |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1435 return NGX_CONF_ERROR; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1436 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1437 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1438 return NGX_CONF_OK; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1439 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1440 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1441 |
| 501 | 1442 static ngx_int_t |
| 1443 ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name) | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1444 { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1445 ngx_uint_t i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1446 ngx_http_charset_t *c; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1447 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1448 c = charsets->elts; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1449 for (i = 0; i < charsets->nelts; i++) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1450 if (name->len != c[i].name.len) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1451 continue; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1452 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1453 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1454 if (ngx_strcasecmp(name->data, c[i].name.data) == 0) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1455 break; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1456 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1457 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1458 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1459 if (i < charsets->nelts) { |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1460 return i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1461 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1462 |
| 501 | 1463 c = ngx_array_push(charsets); |
| 1464 if (c == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1465 return NGX_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1466 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1467 |
| 455 | 1468 c->tables = NULL; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1469 c->name = *name; |
| 657 | 1470 c->length = 0; |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1471 |
|
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
797
diff
changeset
|
1472 if (ngx_strcasecmp(name->data, (u_char *) "utf-8") == 0) { |
| 523 | 1473 c->utf8 = 1; |
| 667 | 1474 |
| 1475 } else { | |
| 1476 c->utf8 = 0; | |
| 523 | 1477 } |
| 1478 | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1479 return i; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1480 } |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1481 |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1482 |
| 501 | 1483 static void * |
| 1484 ngx_http_charset_create_main_conf(ngx_conf_t *cf) | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1485 { |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1486 ngx_http_charset_main_conf_t *mcf; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1487 |
| 501 | 1488 mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_main_conf_t)); |
| 1489 if (mcf == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1490 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1491 } |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1492 |
| 501 | 1493 if (ngx_array_init(&mcf->charsets, cf->pool, 2, sizeof(ngx_http_charset_t)) |
|
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1494 != NGX_OK) |
| 501 | 1495 { |
| 1496 return NGX_CONF_ERROR; | |
| 1497 } | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1498 |
| 529 | 1499 if (ngx_array_init(&mcf->tables, cf->pool, 1, |
|
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1500 sizeof(ngx_http_charset_tables_t)) |
|
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1501 != NGX_OK) |
| 501 | 1502 { |
| 1503 return NGX_CONF_ERROR; | |
| 1504 } | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1505 |
| 529 | 1506 if (ngx_array_init(&mcf->recodes, cf->pool, 2, |
|
2536
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1507 sizeof(ngx_http_charset_recode_t)) |
|
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1508 != NGX_OK) |
| 529 | 1509 { |
| 1510 return NGX_CONF_ERROR; | |
| 1511 } | |
| 1512 | |
|
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1513 return mcf; |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1514 } |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1515 |
|
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1516 |
| 501 | 1517 static void * |
| 1518 ngx_http_charset_create_loc_conf(ngx_conf_t *cf) | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1519 { |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1520 ngx_http_charset_loc_conf_t *lcf; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1521 |
| 501 | 1522 lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_loc_conf_t)); |
| 1523 if (lcf == NULL) { | |
|
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1524 return NGX_CONF_ERROR; |
|
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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338
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1525 } |
|
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nginx-0.0.3-2004-05-21-20:12:13 import
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1526 |
| 2167 | 1527 /* |
| 1528 * set by ngx_pcalloc(): | |
| 1529 * | |
| 1530 * lcf->types = { NULL }; | |
| 1531 * lcf->types_keys = NULL; | |
| 1532 */ | |
| 1533 | |
| 529 | 1534 lcf->charset = NGX_CONF_UNSET; |
|
339
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1535 lcf->source_charset = NGX_CONF_UNSET; |
| 635 | 1536 lcf->override_charset = NGX_CONF_UNSET; |
|
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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1537 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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|
1538 return lcf; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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1539 } |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
1540 |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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1541 |
| 501 | 1542 static char * |
| 1543 ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
|
99
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nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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1544 { |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1545 ngx_http_charset_loc_conf_t *prev = parent; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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1546 ngx_http_charset_loc_conf_t *conf = child; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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|
1547 |
| 529 | 1548 ngx_uint_t i; |
| 1549 ngx_http_charset_recode_t *recode; | |
| 1550 ngx_http_charset_main_conf_t *mcf; | |
| 477 | 1551 |
|
2175
a69886fc2864
*) fix segfaults in types hash
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1552 if (ngx_http_merge_types(cf, conf->types_keys, &conf->types, |
|
a69886fc2864
*) fix segfaults in types hash
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1553 prev->types_keys, &prev->types, |
|
a69886fc2864
*) fix segfaults in types hash
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1554 ngx_http_charset_default_types) |
|
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*) fix segfaults in types hash
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1555 != NGX_OK) |
|
a69886fc2864
*) fix segfaults in types hash
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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1556 { |
|
a69886fc2864
*) fix segfaults in types hash
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1557 return NGX_CONF_ERROR; |
|
a69886fc2864
*) fix segfaults in types hash
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1558 } |
|
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1559 |
| 635 | 1560 ngx_conf_merge_value(conf->override_charset, prev->override_charset, 0); |
|
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
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|
1561 ngx_conf_merge_value(conf->charset, prev->charset, NGX_HTTP_CHARSET_OFF); |
|
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
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diff
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|
1562 ngx_conf_merge_value(conf->source_charset, prev->source_charset, |
|
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
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1563 NGX_HTTP_CHARSET_OFF); |
| 477 | 1564 |
|
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
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1565 if (conf->charset == NGX_HTTP_CHARSET_OFF |
|
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1566 || conf->source_charset == NGX_HTTP_CHARSET_OFF |
| 529 | 1567 || conf->charset == conf->source_charset) |
| 477 | 1568 { |
| 529 | 1569 return NGX_CONF_OK; |
| 477 | 1570 } |
| 1571 | |
| 1590 | 1572 if (conf->source_charset >= NGX_HTTP_CHARSET_VAR |
| 1573 || conf->charset >= NGX_HTTP_CHARSET_VAR) | |
| 1574 { | |
| 1575 return NGX_CONF_OK; | |
| 1576 } | |
| 1577 | |
| 529 | 1578 mcf = ngx_http_conf_get_module_main_conf(cf, |
| 1579 ngx_http_charset_filter_module); | |
| 1580 recode = mcf->recodes.elts; | |
| 1581 for (i = 0; i < mcf->recodes.nelts; i++) { | |
| 1582 if (conf->source_charset == recode[i].src | |
| 1583 && conf->charset == recode[i].dst) | |
| 1584 { | |
| 1585 return NGX_CONF_OK; | |
| 1586 } | |
| 477 | 1587 } |
| 1588 | |
| 529 | 1589 recode = ngx_array_push(&mcf->recodes); |
| 1590 if (recode == NULL) { | |
| 477 | 1591 return NGX_CONF_ERROR; |
| 1592 } | |
|
340
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nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
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1593 |
| 529 | 1594 recode->src = conf->source_charset; |
| 1595 recode->dst = conf->charset; | |
| 1596 | |
|
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1597 return NGX_CONF_OK; |
|
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1598 } |
| 529 | 1599 |
| 1600 | |
| 1601 static ngx_int_t | |
| 1602 ngx_http_charset_postconfiguration(ngx_conf_t *cf) | |
| 1603 { | |
| 635 | 1604 u_char **src, **dst; |
| 529 | 1605 ngx_int_t c; |
| 1606 ngx_uint_t i, t; | |
| 1607 ngx_http_charset_t *charset; | |
| 1608 ngx_http_charset_recode_t *recode; | |
| 1609 ngx_http_charset_tables_t *tables; | |
| 1610 ngx_http_charset_main_conf_t *mcf; | |
| 1611 | |
| 1612 mcf = ngx_http_conf_get_module_main_conf(cf, | |
| 1613 ngx_http_charset_filter_module); | |
| 1614 | |
| 1615 recode = mcf->recodes.elts; | |
| 1616 tables = mcf->tables.elts; | |
| 1617 charset = mcf->charsets.elts; | |
| 1618 | |
| 1619 for (i = 0; i < mcf->recodes.nelts; i++) { | |
| 1620 | |
| 1621 c = recode[i].src; | |
| 1622 | |
| 1623 for (t = 0; t < mcf->tables.nelts; t++) { | |
| 1624 | |
| 1625 if (c == tables[t].src && recode[i].dst == tables[t].dst) { | |
| 1626 goto next; | |
| 1627 } | |
| 1628 | |
| 1629 if (c == tables[t].dst && recode[i].dst == tables[t].src) { | |
| 1630 goto next; | |
| 1631 } | |
| 1632 } | |
| 1633 | |
| 1634 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1588 | 1635 "no \"charset_map\" between the charsets \"%V\" and \"%V\"", |
| 1636 &charset[c].name, &charset[recode[i].dst].name); | |
| 529 | 1637 return NGX_ERROR; |
| 1638 | |
| 1639 next: | |
| 1640 continue; | |
| 1641 } | |
| 1642 | |
| 635 | 1643 |
| 1644 for (t = 0; t < mcf->tables.nelts; t++) { | |
| 1645 | |
| 1646 src = charset[tables[t].src].tables; | |
| 1647 | |
| 1648 if (src == NULL) { | |
| 1649 src = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
| 1650 if (src == NULL) { | |
| 1651 return NGX_ERROR; | |
| 1652 } | |
| 1653 | |
| 1654 charset[tables[t].src].tables = src; | |
| 1655 } | |
| 1656 | |
| 1657 dst = charset[tables[t].dst].tables; | |
| 1658 | |
| 1659 if (dst == NULL) { | |
| 1660 dst = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
| 1661 if (dst == NULL) { | |
| 1662 return NGX_ERROR; | |
| 1663 } | |
| 1664 | |
| 1665 charset[tables[t].dst].tables = dst; | |
| 1666 } | |
| 1667 | |
| 1668 src[tables[t].dst] = tables[t].src2dst; | |
| 1669 dst[tables[t].src] = tables[t].dst2src; | |
| 1670 } | |
| 1671 | |
| 681 | 1672 ngx_http_next_header_filter = ngx_http_top_header_filter; |
| 1673 ngx_http_top_header_filter = ngx_http_charset_header_filter; | |
| 1674 | |
| 1675 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
| 1676 ngx_http_top_body_filter = ngx_http_charset_body_filter; | |
| 1677 | |
| 529 | 1678 return NGX_OK; |
| 1679 } |