Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_charset_filter_module.c @ 5965:78271500b8de
A bounds check of %N format on Windows.
Thanks to Joe Bialek, Adam Zabrocki and Microsoft Vulnerability Research.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Tue, 27 Jan 2015 15:38:15 +0300 |
parents | fcb0420f90de |
children | a72886067bbb |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
4412 | 4 * Copyright (C) Nginx, Inc. |
441
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5 */ |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_http.h> |
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13 #define NGX_HTTP_CHARSET_OFF -2 |
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14 #define NGX_HTTP_NO_CHARSET -3 |
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15 #define NGX_HTTP_CHARSET_VAR 0x10000 |
657 | 16 |
17 /* 1 byte length and up to 3 bytes for the UTF-8 encoding of the UCS-2 */ | |
18 #define NGX_UTF_LEN 4 | |
19 | |
20 #define NGX_HTML_ENTITY_LEN (sizeof("") - 1) | |
529 | 21 |
22 | |
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23 typedef struct { |
657 | 24 u_char **tables; |
25 ngx_str_t name; | |
523 | 26 |
657 | 27 unsigned length:16; |
28 unsigned utf8:1; | |
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29 } ngx_http_charset_t; |
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30 |
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31 |
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32 typedef struct { |
657 | 33 ngx_int_t src; |
34 ngx_int_t dst; | |
529 | 35 } ngx_http_charset_recode_t; |
36 | |
37 | |
38 typedef struct { | |
657 | 39 ngx_int_t src; |
40 ngx_int_t dst; | |
41 u_char *src2dst; | |
42 u_char *dst2src; | |
339
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43 } ngx_http_charset_tables_t; |
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44 |
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45 |
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46 typedef struct { |
657 | 47 ngx_array_t charsets; /* ngx_http_charset_t */ |
48 ngx_array_t tables; /* ngx_http_charset_tables_t */ | |
49 ngx_array_t recodes; /* ngx_http_charset_recode_t */ | |
338
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50 } ngx_http_charset_main_conf_t; |
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51 |
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52 |
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53 typedef struct { |
657 | 54 ngx_int_t charset; |
55 ngx_int_t source_charset; | |
56 ngx_flag_t override_charset; | |
2167 | 57 |
58 ngx_hash_t types; | |
59 ngx_array_t *types_keys; | |
99
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60 } ngx_http_charset_loc_conf_t; |
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61 |
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62 |
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63 typedef struct { |
657 | 64 u_char *table; |
65 ngx_int_t charset; | |
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66 ngx_str_t charset_name; |
657 | 67 |
68 ngx_chain_t *busy; | |
69 ngx_chain_t *free_bufs; | |
70 ngx_chain_t *free_buffers; | |
71 | |
72 size_t saved_len; | |
73 u_char saved[NGX_UTF_LEN]; | |
74 | |
75 unsigned length:16; | |
76 unsigned from_utf8:1; | |
77 unsigned to_utf8:1; | |
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78 } ngx_http_charset_ctx_t; |
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79 |
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80 |
657 | 81 typedef struct { |
82 ngx_http_charset_tables_t *table; | |
83 ngx_http_charset_t *charset; | |
84 ngx_uint_t characters; | |
85 } ngx_http_charset_conf_ctx_t; | |
86 | |
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87 |
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88 static ngx_int_t ngx_http_destination_charset(ngx_http_request_t *r, |
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89 ngx_str_t *name); |
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90 static ngx_int_t ngx_http_main_request_charset(ngx_http_request_t *r, |
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91 ngx_str_t *name); |
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92 static ngx_int_t ngx_http_source_charset(ngx_http_request_t *r, |
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93 ngx_str_t *name); |
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94 static ngx_int_t ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name); |
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95 static ngx_inline void ngx_http_set_charset(ngx_http_request_t *r, |
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96 ngx_str_t *charset); |
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97 static ngx_int_t ngx_http_charset_ctx(ngx_http_request_t *r, |
657 | 98 ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset); |
99 static ngx_uint_t ngx_http_charset_recode(ngx_buf_t *b, u_char *table); | |
100 static ngx_chain_t *ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, | |
101 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
102 static ngx_chain_t *ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, | |
103 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
104 | |
105 static ngx_chain_t *ngx_http_charset_get_buf(ngx_pool_t *pool, | |
106 ngx_http_charset_ctx_t *ctx); | |
107 static ngx_chain_t *ngx_http_charset_get_buffer(ngx_pool_t *pool, | |
108 ngx_http_charset_ctx_t *ctx, size_t size); | |
109 | |
110 static char *ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, | |
501 | 111 void *conf); |
657 | 112 static char *ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, |
113 void *conf); | |
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114 |
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115 static char *ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
501 | 116 void *conf); |
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117 static ngx_int_t ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name); |
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118 |
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119 static void *ngx_http_charset_create_main_conf(ngx_conf_t *cf); |
119
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120 static void *ngx_http_charset_create_loc_conf(ngx_conf_t *cf); |
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121 static char *ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, |
501 | 122 void *parent, void *child); |
529 | 123 static ngx_int_t ngx_http_charset_postconfiguration(ngx_conf_t *cf); |
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124 |
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125 |
2167 | 126 ngx_str_t ngx_http_charset_default_types[] = { |
127 ngx_string("text/html"), | |
128 ngx_string("text/xml"), | |
129 ngx_string("text/plain"), | |
130 ngx_string("text/vnd.wap.wml"), | |
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131 ngx_string("application/javascript"), |
2167 | 132 ngx_string("application/rss+xml"), |
133 ngx_null_string | |
134 }; | |
135 | |
136 | |
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137 static ngx_command_t ngx_http_charset_filter_commands[] = { |
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138 |
529 | 139 { ngx_string("charset"), |
559 | 140 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
141 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
529 | 142 ngx_http_set_charset_slot, |
143 NGX_HTTP_LOC_CONF_OFFSET, | |
144 offsetof(ngx_http_charset_loc_conf_t, charset), | |
145 NULL }, | |
146 | |
147 { ngx_string("source_charset"), | |
559 | 148 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
149 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
529 | 150 ngx_http_set_charset_slot, |
151 NGX_HTTP_LOC_CONF_OFFSET, | |
152 offsetof(ngx_http_charset_loc_conf_t, source_charset), | |
153 NULL }, | |
154 | |
635 | 155 { ngx_string("override_charset"), |
156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF | |
157 |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, | |
158 ngx_conf_set_flag_slot, | |
159 NGX_HTTP_LOC_CONF_OFFSET, | |
160 offsetof(ngx_http_charset_loc_conf_t, override_charset), | |
161 NULL }, | |
162 | |
2167 | 163 { ngx_string("charset_types"), |
164 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
165 ngx_http_types_slot, | |
166 NGX_HTTP_LOC_CONF_OFFSET, | |
167 offsetof(ngx_http_charset_loc_conf_t, types_keys), | |
168 &ngx_http_charset_default_types[0] }, | |
169 | |
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170 { ngx_string("charset_map"), |
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171 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, |
657 | 172 ngx_http_charset_map_block, |
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173 NGX_HTTP_MAIN_CONF_OFFSET, |
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174 0, |
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175 NULL }, |
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176 |
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177 ngx_null_command |
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178 }; |
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179 |
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180 |
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181 static ngx_http_module_t ngx_http_charset_filter_module_ctx = { |
509 | 182 NULL, /* preconfiguration */ |
529 | 183 ngx_http_charset_postconfiguration, /* postconfiguration */ |
177
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184 |
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185 ngx_http_charset_create_main_conf, /* create main configuration */ |
529 | 186 NULL, /* init main configuration */ |
99
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187 |
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188 NULL, /* create server configuration */ |
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189 NULL, /* merge server configuration */ |
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190 |
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191 ngx_http_charset_create_loc_conf, /* create location configuration */ |
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192 ngx_http_charset_merge_loc_conf /* merge location configuration */ |
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193 }; |
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194 |
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195 |
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196 ngx_module_t ngx_http_charset_filter_module = { |
509 | 197 NGX_MODULE_V1, |
99
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198 &ngx_http_charset_filter_module_ctx, /* module context */ |
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199 ngx_http_charset_filter_commands, /* module directives */ |
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200 NGX_HTTP_MODULE, /* module type */ |
541 | 201 NULL, /* init master */ |
681 | 202 NULL, /* init module */ |
541 | 203 NULL, /* init process */ |
204 NULL, /* init thread */ | |
205 NULL, /* exit thread */ | |
206 NULL, /* exit process */ | |
207 NULL, /* exit master */ | |
208 NGX_MODULE_V1_PADDING | |
99
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209 }; |
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210 |
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211 |
155
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212 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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213 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
99
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214 |
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215 |
501 | 216 static ngx_int_t |
217 ngx_http_charset_header_filter(ngx_http_request_t *r) | |
99
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218 { |
635 | 219 ngx_int_t charset, source_charset; |
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220 ngx_str_t dst, src; |
339
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221 ngx_http_charset_t *charsets; |
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222 ngx_http_charset_main_conf_t *mcf; |
99
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223 |
653 | 224 if (r == r->main) { |
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225 charset = ngx_http_destination_charset(r, &dst); |
653 | 226 |
227 } else { | |
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228 charset = ngx_http_main_request_charset(r, &dst); |
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229 } |
657 | 230 |
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231 if (charset == NGX_ERROR) { |
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232 return NGX_ERROR; |
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233 } |
653 | 234 |
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235 if (charset == NGX_DECLINED) { |
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236 return ngx_http_next_header_filter(r); |
389
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237 } |
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238 |
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239 /* charset: charset index or NGX_HTTP_NO_CHARSET */ |
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240 |
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241 source_charset = ngx_http_source_charset(r, &src); |
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242 |
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243 if (source_charset == NGX_ERROR) { |
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244 return NGX_ERROR; |
657 | 245 } |
635 | 246 |
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247 /* |
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248 * source_charset: charset index, NGX_HTTP_NO_CHARSET, |
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249 * or NGX_HTTP_CHARSET_OFF |
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250 */ |
635 | 251 |
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252 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
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253 "charset: \"%V\" > \"%V\"", &src, &dst); |
663 | 254 |
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255 if (source_charset == NGX_HTTP_CHARSET_OFF) { |
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256 ngx_http_set_charset(r, &dst); |
635 | 257 |
657 | 258 return ngx_http_next_header_filter(r); |
259 } | |
635 | 260 |
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261 if (charset == NGX_HTTP_NO_CHARSET |
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262 || source_charset == NGX_HTTP_NO_CHARSET) |
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263 { |
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264 if (source_charset != charset |
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265 || ngx_strncasecmp(dst.data, src.data, dst.len) != 0) |
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266 { |
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267 goto no_charset_map; |
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268 } |
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269 |
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270 ngx_http_set_charset(r, &dst); |
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271 |
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272 return ngx_http_next_header_filter(r); |
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273 } |
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274 |
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275 if (source_charset == charset) { |
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276 r->headers_out.content_type.len = r->headers_out.content_type_len; |
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277 |
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278 ngx_http_set_charset(r, &dst); |
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279 |
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280 return ngx_http_next_header_filter(r); |
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281 } |
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282 |
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283 /* source_charset != charset */ |
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284 |
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285 if (r->headers_out.content_encoding |
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286 && r->headers_out.content_encoding->value.len) |
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287 { |
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288 return ngx_http_next_header_filter(r); |
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289 } |
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290 |
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291 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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292 charsets = mcf->charsets.elts; |
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293 |
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294 if (charsets[source_charset].tables == NULL |
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295 || charsets[source_charset].tables[charset] == NULL) |
657 | 296 { |
663 | 297 goto no_charset_map; |
133
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298 } |
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299 |
657 | 300 r->headers_out.content_type.len = r->headers_out.content_type_len; |
301 | |
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302 ngx_http_set_charset(r, &dst); |
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303 |
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304 return ngx_http_charset_ctx(r, charsets, charset, source_charset); |
663 | 305 |
306 no_charset_map: | |
307 | |
308 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
1587 | 309 "no \"charset_map\" between the charsets \"%V\" and \"%V\"", |
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310 &src, &dst); |
663 | 311 |
312 return ngx_http_next_header_filter(r); | |
657 | 313 } |
314 | |
315 | |
316 static ngx_int_t | |
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317 ngx_http_destination_charset(ngx_http_request_t *r, ngx_str_t *name) |
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318 { |
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319 ngx_int_t charset; |
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320 ngx_http_charset_t *charsets; |
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321 ngx_http_variable_value_t *vv; |
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322 ngx_http_charset_loc_conf_t *mlcf; |
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323 ngx_http_charset_main_conf_t *mcf; |
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324 |
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325 if (r->headers_out.content_type.len == 0) { |
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326 return NGX_DECLINED; |
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327 } |
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328 |
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329 if (r->headers_out.override_charset |
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330 && r->headers_out.override_charset->len) |
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331 { |
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332 *name = *r->headers_out.override_charset; |
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333 |
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334 charset = ngx_http_get_charset(r, name); |
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335 |
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336 if (charset != NGX_HTTP_NO_CHARSET) { |
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337 return charset; |
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338 } |
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339 |
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340 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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341 "unknown charset \"%V\" to override", name); |
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342 |
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343 return NGX_DECLINED; |
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344 } |
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345 |
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346 mlcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); |
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347 charset = mlcf->charset; |
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348 |
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349 if (charset == NGX_HTTP_CHARSET_OFF) { |
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350 return NGX_DECLINED; |
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351 } |
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352 |
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353 if (r->headers_out.charset.len) { |
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354 if (mlcf->override_charset == 0) { |
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355 return NGX_DECLINED; |
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356 } |
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357 |
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358 } else { |
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359 if (ngx_http_test_content_type(r, &mlcf->types) == NULL) { |
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360 return NGX_DECLINED; |
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361 } |
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362 } |
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363 |
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364 if (charset < NGX_HTTP_CHARSET_VAR) { |
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365 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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366 charsets = mcf->charsets.elts; |
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367 *name = charsets[charset].name; |
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368 return charset; |
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369 } |
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370 |
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371 vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); |
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372 |
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373 if (vv == NULL || vv->not_found) { |
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374 return NGX_ERROR; |
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375 } |
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376 |
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377 name->len = vv->len; |
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378 name->data = vv->data; |
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379 |
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380 return ngx_http_get_charset(r, name); |
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381 } |
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382 |
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383 |
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384 static ngx_int_t |
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385 ngx_http_main_request_charset(ngx_http_request_t *r, ngx_str_t *src) |
657 | 386 { |
2889
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387 ngx_int_t charset; |
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388 ngx_str_t *main_charset; |
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389 ngx_http_charset_ctx_t *ctx; |
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390 |
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391 ctx = ngx_http_get_module_ctx(r->main, ngx_http_charset_filter_module); |
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392 |
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393 if (ctx) { |
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394 *src = ctx->charset_name; |
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395 return ctx->charset; |
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396 } |
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397 |
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398 main_charset = &r->main->headers_out.charset; |
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399 |
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400 if (main_charset->len == 0) { |
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401 return NGX_DECLINED; |
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402 } |
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403 |
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404 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
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405 if (ctx == NULL) { |
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406 return NGX_ERROR; |
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407 } |
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408 |
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409 ngx_http_set_ctx(r->main, ctx, ngx_http_charset_filter_module); |
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410 |
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411 charset = ngx_http_get_charset(r, main_charset); |
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412 |
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413 ctx->charset = charset; |
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414 ctx->charset_name = *main_charset; |
2890 | 415 *src = *main_charset; |
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416 |
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417 return charset; |
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418 } |
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419 |
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420 |
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421 static ngx_int_t |
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422 ngx_http_source_charset(ngx_http_request_t *r, ngx_str_t *name) |
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423 { |
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424 ngx_int_t charset; |
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425 ngx_http_charset_t *charsets; |
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426 ngx_http_variable_value_t *vv; |
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427 ngx_http_charset_loc_conf_t *lcf; |
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428 ngx_http_charset_main_conf_t *mcf; |
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429 |
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430 if (r->headers_out.charset.len) { |
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431 *name = r->headers_out.charset; |
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432 return ngx_http_get_charset(r, name); |
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433 } |
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434 |
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435 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); |
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436 |
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437 charset = lcf->source_charset; |
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438 |
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439 if (charset == NGX_HTTP_CHARSET_OFF) { |
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440 name->len = 0; |
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441 return charset; |
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442 } |
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443 |
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444 if (charset < NGX_HTTP_CHARSET_VAR) { |
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445 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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446 charsets = mcf->charsets.elts; |
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447 *name = charsets[charset].name; |
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448 return charset; |
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449 } |
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450 |
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451 vv = ngx_http_get_indexed_variable(r, charset - NGX_HTTP_CHARSET_VAR); |
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452 |
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453 if (vv == NULL || vv->not_found) { |
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454 return NGX_ERROR; |
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455 } |
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456 |
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457 name->len = vv->len; |
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458 name->data = vv->data; |
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459 |
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460 return ngx_http_get_charset(r, name); |
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461 } |
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462 |
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463 |
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464 static ngx_int_t |
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465 ngx_http_get_charset(ngx_http_request_t *r, ngx_str_t *name) |
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466 { |
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467 ngx_uint_t i, n; |
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468 ngx_http_charset_t *charset; |
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469 ngx_http_charset_main_conf_t *mcf; |
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470 |
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471 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
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472 |
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473 charset = mcf->charsets.elts; |
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474 n = mcf->charsets.nelts; |
657 | 475 |
476 for (i = 0; i < n; i++) { | |
2889
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477 if (charset[i].name.len != name->len) { |
752
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478 continue; |
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479 } |
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480 |
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481 if (ngx_strncasecmp(charset[i].name.data, name->data, name->len) == 0) { |
657 | 482 return i; |
483 } | |
484 } | |
485 | |
486 return NGX_HTTP_NO_CHARSET; | |
487 } | |
488 | |
489 | |
2889
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490 static ngx_inline void |
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491 ngx_http_set_charset(ngx_http_request_t *r, ngx_str_t *charset) |
657 | 492 { |
2891
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493 if (r != r->main) { |
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494 return; |
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495 } |
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496 |
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497 if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY |
501 | 498 || r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY) |
99
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499 { |
155
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500 /* |
635 | 501 * do not set charset for the redirect because NN 4.x |
502 * use this charset instead of the next page charset | |
155
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503 */ |
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504 |
99
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505 r->headers_out.charset.len = 0; |
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506 return; |
339
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507 } |
99
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508 |
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509 r->headers_out.charset = *charset; |
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510 } |
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511 |
635 | 512 |
2889
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513 static ngx_int_t |
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514 ngx_http_charset_ctx(ngx_http_request_t *r, ngx_http_charset_t *charsets, |
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515 ngx_int_t charset, ngx_int_t source_charset) |
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516 { |
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517 ngx_http_charset_ctx_t *ctx; |
339
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518 |
501 | 519 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
520 if (ctx == NULL) { | |
521 return NGX_ERROR; | |
522 } | |
523 | |
524 ngx_http_set_ctx(r, ctx, ngx_http_charset_filter_module); | |
525 | |
635 | 526 ctx->table = charsets[source_charset].tables[charset]; |
527 ctx->charset = charset; | |
2890 | 528 ctx->charset_name = charsets[charset].name; |
657 | 529 ctx->length = charsets[charset].length; |
530 ctx->from_utf8 = charsets[source_charset].utf8; | |
531 ctx->to_utf8 = charsets[charset].utf8; | |
532 | |
663 | 533 r->filter_need_in_memory = 1; |
534 | |
657 | 535 if ((ctx->to_utf8 || ctx->from_utf8) && r == r->main) { |
536 ngx_http_clear_content_length(r); | |
663 | 537 |
538 } else { | |
539 r->filter_need_temporary = 1; | |
657 | 540 } |
339
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541 |
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542 return ngx_http_next_header_filter(r); |
99
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|
543 } |
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|
544 |
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545 |
501 | 546 static ngx_int_t |
547 ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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548 { |
657 | 549 ngx_int_t rc; |
550 ngx_buf_t *b; | |
551 ngx_chain_t *cl, *out, **ll; | |
635 | 552 ngx_http_charset_ctx_t *ctx; |
339
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553 |
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554 ctx = ngx_http_get_module_ctx(r, ngx_http_charset_filter_module); |
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555 |
635 | 556 if (ctx == NULL || ctx->table == NULL) { |
339
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557 return ngx_http_next_body_filter(r, in); |
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558 } |
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559 |
657 | 560 if ((ctx->to_utf8 || ctx->from_utf8) || ctx->busy) { |
561 | |
562 out = NULL; | |
563 ll = &out; | |
564 | |
565 for (cl = in; cl; cl = cl->next) { | |
566 b = cl->buf; | |
567 | |
568 if (ngx_buf_size(b) == 0) { | |
665 | 569 |
570 *ll = ngx_alloc_chain_link(r->pool); | |
571 if (*ll == NULL) { | |
572 return NGX_ERROR; | |
573 } | |
574 | |
575 (*ll)->buf = b; | |
576 (*ll)->next = NULL; | |
577 | |
578 ll = &(*ll)->next; | |
579 | |
657 | 580 continue; |
581 } | |
582 | |
583 if (ctx->to_utf8) { | |
584 *ll = ngx_http_charset_recode_to_utf8(r->pool, b, ctx); | |
585 | |
586 } else { | |
587 *ll = ngx_http_charset_recode_from_utf8(r->pool, b, ctx); | |
588 } | |
589 | |
590 if (*ll == NULL) { | |
591 return NGX_ERROR; | |
592 } | |
593 | |
594 while (*ll) { | |
595 ll = &(*ll)->next; | |
596 } | |
597 } | |
598 | |
599 rc = ngx_http_next_body_filter(r, out); | |
600 | |
601 if (out) { | |
602 if (ctx->busy == NULL) { | |
603 ctx->busy = out; | |
604 | |
605 } else { | |
606 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } | |
607 cl->next = out; | |
608 } | |
609 } | |
610 | |
611 while (ctx->busy) { | |
612 | |
613 cl = ctx->busy; | |
614 b = cl->buf; | |
615 | |
616 if (ngx_buf_size(b) != 0) { | |
617 break; | |
618 } | |
619 | |
620 ctx->busy = cl->next; | |
621 | |
622 if (b->tag != (ngx_buf_tag_t) &ngx_http_charset_filter_module) { | |
623 continue; | |
624 } | |
625 | |
626 if (b->shadow) { | |
627 b->shadow->pos = b->shadow->last; | |
628 } | |
629 | |
630 if (b->pos) { | |
631 cl->next = ctx->free_buffers; | |
632 ctx->free_buffers = cl; | |
633 continue; | |
634 } | |
635 | |
636 cl->next = ctx->free_bufs; | |
637 ctx->free_bufs = cl; | |
638 } | |
639 | |
640 return rc; | |
641 } | |
642 | |
339
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643 for (cl = in; cl; cl = cl->next) { |
635 | 644 (void) ngx_http_charset_recode(cl->buf, ctx->table); |
339
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645 } |
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646 |
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647 return ngx_http_next_body_filter(r, in); |
99
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648 } |
339
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|
649 |
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|
650 |
501 | 651 static ngx_uint_t |
635 | 652 ngx_http_charset_recode(ngx_buf_t *b, u_char *table) |
339
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653 { |
1944
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diff
changeset
|
654 u_char *p, *last; |
635 | 655 |
1944
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speed up ngx_http_charset_recode() for 25%: google-perftools reported
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|
656 last = b->last; |
455 | 657 |
1944
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speed up ngx_http_charset_recode() for 25%: google-perftools reported
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changeset
|
658 for (p = b->pos; p < last; p++) { |
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speed up ngx_http_charset_recode() for 25%: google-perftools reported
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changeset
|
659 |
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
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changeset
|
660 if (*p != table[*p]) { |
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speed up ngx_http_charset_recode() for 25%: google-perftools reported
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|
661 goto recode; |
455 | 662 } |
663 } | |
664 | |
635 | 665 return 0; |
1944
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changeset
|
666 |
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
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changeset
|
667 recode: |
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|
668 |
be6c9033a798
speed up ngx_http_charset_recode() for 25%: google-perftools reported
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changeset
|
669 do { |
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670 if (*p != table[*p]) { |
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speed up ngx_http_charset_recode() for 25%: google-perftools reported
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|
671 *p = table[*p]; |
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|
672 } |
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673 |
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674 p++; |
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675 |
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676 } while (p < last); |
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677 |
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678 b->in_file = 0; |
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679 |
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680 return 1; |
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681 } |
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683 |
657 | 684 static ngx_chain_t * |
685 ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
686 ngx_http_charset_ctx_t *ctx) | |
687 { | |
688 size_t len, size; | |
689 u_char c, *p, *src, *dst, *saved, **table; | |
690 uint32_t n; | |
691 ngx_buf_t *b; | |
692 ngx_uint_t i; | |
693 ngx_chain_t *out, *cl, **ll; | |
694 | |
695 src = buf->pos; | |
696 | |
697 if (ctx->saved_len == 0) { | |
698 | |
699 for ( /* void */ ; src < buf->last; src++) { | |
700 | |
701 if (*src < 0x80) { | |
702 continue; | |
703 } | |
704 | |
705 len = src - buf->pos; | |
706 | |
707 if (len > 512) { | |
708 out = ngx_http_charset_get_buf(pool, ctx); | |
709 if (out == NULL) { | |
710 return NULL; | |
711 } | |
712 | |
713 b = out->buf; | |
714 | |
715 b->temporary = buf->temporary; | |
716 b->memory = buf->memory; | |
717 b->mmap = buf->mmap; | |
718 b->flush = buf->flush; | |
719 | |
720 b->pos = buf->pos; | |
721 b->last = src; | |
722 | |
723 out->buf = b; | |
724 out->next = NULL; | |
725 | |
726 size = buf->last - src; | |
727 | |
728 saved = src; | |
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729 n = ngx_utf8_decode(&saved, size); |
657 | 730 |
731 if (n == 0xfffffffe) { | |
732 /* incomplete UTF-8 symbol */ | |
733 | |
734 ngx_memcpy(ctx->saved, src, size); | |
735 ctx->saved_len = size; | |
736 | |
737 b->shadow = buf; | |
738 | |
739 return out; | |
740 } | |
741 | |
742 } else { | |
743 out = NULL; | |
744 size = len + buf->last - src; | |
745 src = buf->pos; | |
746 } | |
747 | |
748 if (size < NGX_HTML_ENTITY_LEN) { | |
749 size += NGX_HTML_ENTITY_LEN; | |
750 } | |
751 | |
752 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
753 if (cl == NULL) { | |
754 return NULL; | |
755 } | |
756 | |
757 if (out) { | |
758 out->next = cl; | |
759 | |
760 } else { | |
761 out = cl; | |
762 } | |
763 | |
764 b = cl->buf; | |
765 dst = b->pos; | |
766 | |
767 goto recode; | |
768 } | |
769 | |
770 out = ngx_alloc_chain_link(pool); | |
771 if (out == NULL) { | |
772 return NULL; | |
773 } | |
774 | |
775 out->buf = buf; | |
776 out->next = NULL; | |
777 | |
778 return out; | |
779 } | |
780 | |
781 /* process incomplete UTF sequence from previous buffer */ | |
782 | |
783 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
784 "http charset utf saved: %z", ctx->saved_len); | |
785 | |
786 p = src; | |
787 | |
788 for (i = ctx->saved_len; i < NGX_UTF_LEN; i++) { | |
789 ctx->saved[i] = *p++; | |
790 | |
791 if (p == buf->last) { | |
792 break; | |
793 } | |
794 } | |
795 | |
796 saved = ctx->saved; | |
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797 n = ngx_utf8_decode(&saved, i); |
657 | 798 |
799 c = '\0'; | |
800 | |
801 if (n < 0x10000) { | |
802 table = (u_char **) ctx->table; | |
803 p = table[n >> 8]; | |
804 | |
805 if (p) { | |
806 c = p[n & 0xff]; | |
807 } | |
808 | |
809 } else if (n == 0xfffffffe) { | |
810 | |
811 /* incomplete UTF-8 symbol */ | |
812 | |
813 if (i < NGX_UTF_LEN) { | |
814 out = ngx_http_charset_get_buf(pool, ctx); | |
815 if (out == NULL) { | |
816 return NULL; | |
817 } | |
818 | |
819 b = out->buf; | |
820 | |
821 b->pos = buf->pos; | |
822 b->last = buf->last; | |
823 b->sync = 1; | |
824 b->shadow = buf; | |
825 | |
826 ngx_memcpy(&ctx->saved[ctx->saved_len], src, i); | |
827 ctx->saved_len += i; | |
828 | |
829 return out; | |
830 } | |
831 } | |
832 | |
833 size = buf->last - buf->pos; | |
834 | |
835 if (size < NGX_HTML_ENTITY_LEN) { | |
836 size += NGX_HTML_ENTITY_LEN; | |
837 } | |
838 | |
839 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
840 if (cl == NULL) { | |
841 return NULL; | |
842 } | |
843 | |
844 out = cl; | |
845 | |
846 b = cl->buf; | |
847 dst = b->pos; | |
848 | |
849 if (c) { | |
850 *dst++ = c; | |
851 | |
852 } else if (n == 0xfffffffe) { | |
853 *dst++ = '?'; | |
854 | |
855 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
856 "http charset invalid utf 0"); | |
857 | |
858 saved = &ctx->saved[NGX_UTF_LEN]; | |
859 | |
860 } else if (n > 0x10ffff) { | |
861 *dst++ = '?'; | |
862 | |
863 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
864 "http charset invalid utf 1"); | |
865 | |
866 } else { | |
867 dst = ngx_sprintf(dst, "&#%uD;", n); | |
868 } | |
869 | |
870 src += (saved - ctx->saved) - ctx->saved_len; | |
871 ctx->saved_len = 0; | |
872 | |
873 recode: | |
874 | |
875 ll = &cl->next; | |
876 | |
877 table = (u_char **) ctx->table; | |
878 | |
879 while (src < buf->last) { | |
880 | |
881 if ((size_t) (b->end - dst) < NGX_HTML_ENTITY_LEN) { | |
882 b->last = dst; | |
883 | |
884 size = buf->last - src + NGX_HTML_ENTITY_LEN; | |
885 | |
886 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
887 if (cl == NULL) { | |
888 return NULL; | |
889 } | |
890 | |
891 *ll = cl; | |
892 ll = &cl->next; | |
893 | |
894 b = cl->buf; | |
895 dst = b->pos; | |
896 } | |
897 | |
898 if (*src < 0x80) { | |
899 *dst++ = *src++; | |
900 continue; | |
901 } | |
902 | |
903 len = buf->last - src; | |
904 | |
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905 n = ngx_utf8_decode(&src, len); |
657 | 906 |
907 if (n < 0x10000) { | |
908 | |
909 p = table[n >> 8]; | |
910 | |
911 if (p) { | |
912 c = p[n & 0xff]; | |
913 | |
914 if (c) { | |
915 *dst++ = c; | |
916 continue; | |
917 } | |
918 } | |
919 | |
920 dst = ngx_sprintf(dst, "&#%uD;", n); | |
921 | |
922 continue; | |
923 } | |
924 | |
925 if (n == 0xfffffffe) { | |
926 /* incomplete UTF-8 symbol */ | |
927 | |
928 ngx_memcpy(ctx->saved, src, len); | |
929 ctx->saved_len = len; | |
930 | |
931 if (b->pos == dst) { | |
932 b->sync = 1; | |
933 b->temporary = 0; | |
934 } | |
935 | |
936 break; | |
937 } | |
938 | |
939 if (n > 0x10ffff) { | |
940 *dst++ = '?'; | |
941 | |
942 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
943 "http charset invalid utf 2"); | |
944 | |
945 continue; | |
946 } | |
947 | |
948 /* n > 0xffff */ | |
949 | |
950 dst = ngx_sprintf(dst, "&#%uD;", n); | |
951 } | |
952 | |
953 b->last = dst; | |
954 | |
955 b->last_buf = buf->last_buf; | |
956 b->last_in_chain = buf->last_in_chain; | |
957 b->flush = buf->flush; | |
958 | |
959 b->shadow = buf; | |
960 | |
961 return out; | |
962 } | |
963 | |
964 | |
965 static ngx_chain_t * | |
966 ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
967 ngx_http_charset_ctx_t *ctx) | |
968 { | |
969 size_t len, size; | |
970 u_char *p, *src, *dst, *table; | |
971 ngx_buf_t *b; | |
972 ngx_chain_t *out, *cl, **ll; | |
973 | |
974 table = ctx->table; | |
975 | |
976 for (src = buf->pos; src < buf->last; src++) { | |
977 if (table[*src * NGX_UTF_LEN] == '\1') { | |
978 continue; | |
979 } | |
980 | |
981 goto recode; | |
982 } | |
983 | |
984 out = ngx_alloc_chain_link(pool); | |
985 if (out == NULL) { | |
986 return NULL; | |
987 } | |
988 | |
989 out->buf = buf; | |
990 out->next = NULL; | |
991 | |
992 return out; | |
993 | |
994 recode: | |
995 | |
996 /* | |
997 * we assume that there are about half of characters to be recoded, | |
998 * so we preallocate "size / 2 + size / 2 * ctx->length" | |
999 */ | |
1000 | |
1001 len = src - buf->pos; | |
1002 | |
1003 if (len > 512) { | |
1004 out = ngx_http_charset_get_buf(pool, ctx); | |
1005 if (out == NULL) { | |
1006 return NULL; | |
1007 } | |
1008 | |
1009 b = out->buf; | |
1010 | |
1011 b->temporary = buf->temporary; | |
1012 b->memory = buf->memory; | |
1013 b->mmap = buf->mmap; | |
1014 b->flush = buf->flush; | |
1015 | |
1016 b->pos = buf->pos; | |
1017 b->last = src; | |
1018 | |
1019 out->buf = b; | |
1020 out->next = NULL; | |
1021 | |
1022 size = buf->last - src; | |
1023 size = size / 2 + size / 2 * ctx->length; | |
1024 | |
1025 } else { | |
1026 out = NULL; | |
1027 | |
1028 size = buf->last - src; | |
1029 size = len + size / 2 + size / 2 * ctx->length; | |
1030 | |
1031 src = buf->pos; | |
1032 } | |
1033 | |
1034 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
1035 if (cl == NULL) { | |
1036 return NULL; | |
1037 } | |
1038 | |
1039 if (out) { | |
1040 out->next = cl; | |
1041 | |
1042 } else { | |
1043 out = cl; | |
1044 } | |
1045 | |
1046 ll = &cl->next; | |
1047 | |
1048 b = cl->buf; | |
1049 dst = b->pos; | |
1050 | |
1051 while (src < buf->last) { | |
1052 | |
1053 p = &table[*src++ * NGX_UTF_LEN]; | |
1054 len = *p++; | |
1055 | |
1056 if ((size_t) (b->end - dst) < len) { | |
1057 b->last = dst; | |
1058 | |
1059 size = buf->last - src; | |
1060 size = len + size / 2 + size / 2 * ctx->length; | |
1061 | |
1062 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
1063 if (cl == NULL) { | |
1064 return NULL; | |
1065 } | |
1066 | |
1067 *ll = cl; | |
1068 ll = &cl->next; | |
1069 | |
1070 b = cl->buf; | |
1071 dst = b->pos; | |
1072 } | |
1073 | |
1074 while (len) { | |
1075 *dst++ = *p++; | |
1076 len--; | |
1077 } | |
1078 } | |
1079 | |
1080 b->last = dst; | |
1081 | |
1082 b->last_buf = buf->last_buf; | |
1083 b->last_in_chain = buf->last_in_chain; | |
1084 b->flush = buf->flush; | |
1085 | |
1086 b->shadow = buf; | |
1087 | |
1088 return out; | |
1089 } | |
1090 | |
1091 | |
1092 static ngx_chain_t * | |
1093 ngx_http_charset_get_buf(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx) | |
1094 { | |
1095 ngx_chain_t *cl; | |
1096 | |
1097 cl = ctx->free_bufs; | |
1098 | |
1099 if (cl) { | |
1100 ctx->free_bufs = cl->next; | |
1101 | |
1102 cl->buf->shadow = NULL; | |
1103 cl->next = NULL; | |
1104 | |
1105 return cl; | |
1106 } | |
1107 | |
1108 cl = ngx_alloc_chain_link(pool); | |
1109 if (cl == NULL) { | |
1110 return NULL; | |
1111 } | |
1112 | |
1113 cl->buf = ngx_calloc_buf(pool); | |
1114 if (cl->buf == NULL) { | |
1115 return NULL; | |
1116 } | |
1117 | |
1118 cl->next = NULL; | |
1119 | |
1120 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
1121 | |
1122 return cl; | |
1123 } | |
1124 | |
1125 | |
1126 static ngx_chain_t * | |
1127 ngx_http_charset_get_buffer(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx, | |
1128 size_t size) | |
1129 { | |
1130 ngx_buf_t *b; | |
1131 ngx_chain_t *cl, **ll; | |
1132 | |
1133 for (ll = &ctx->free_buffers, cl = ctx->free_buffers; | |
1134 cl; | |
1135 ll = &cl->next, cl = cl->next) | |
1136 { | |
1137 b = cl->buf; | |
1138 | |
1139 if ((size_t) (b->end - b->start) >= size) { | |
1140 *ll = cl->next; | |
1141 cl->next = NULL; | |
1142 | |
1143 b->pos = b->start; | |
1144 b->temporary = 1; | |
1145 b->shadow = NULL; | |
1146 | |
1147 return cl; | |
1148 } | |
1149 } | |
1150 | |
1151 cl = ngx_alloc_chain_link(pool); | |
1152 if (cl == NULL) { | |
1153 return NULL; | |
1154 } | |
1155 | |
1156 cl->buf = ngx_create_temp_buf(pool, size); | |
1157 if (cl->buf == NULL) { | |
1158 return NULL; | |
1159 } | |
1160 | |
1161 cl->next = NULL; | |
1162 | |
1163 cl->buf->temporary = 1; | |
1164 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
1165 | |
1166 return cl; | |
1167 } | |
1168 | |
1169 | |
501 | 1170 static char * |
657 | 1171 ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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1172 { |
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1173 ngx_http_charset_main_conf_t *mcf = conf; |
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1174 |
657 | 1175 char *rv; |
1176 u_char *p, *dst2src, **pp; | |
1177 ngx_int_t src, dst; | |
1178 ngx_uint_t i, n; | |
1179 ngx_str_t *value; | |
1180 ngx_conf_t pvcf; | |
1181 ngx_http_charset_t *charset; | |
1182 ngx_http_charset_tables_t *table; | |
1183 ngx_http_charset_conf_ctx_t ctx; | |
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1184 |
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1185 value = cf->args->elts; |
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1186 |
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1187 src = ngx_http_add_charset(&mcf->charsets, &value[1]); |
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1188 if (src == NGX_ERROR) { |
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1189 return NGX_CONF_ERROR; |
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1190 } |
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1191 |
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1192 dst = ngx_http_add_charset(&mcf->charsets, &value[2]); |
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1193 if (dst == NGX_ERROR) { |
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1194 return NGX_CONF_ERROR; |
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1195 } |
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1196 |
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1197 if (src == dst) { |
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1198 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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1199 "\"charset_map\" between the same charsets " |
461 | 1200 "\"%V\" and \"%V\"", &value[1], &value[2]); |
339
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1201 return NGX_CONF_ERROR; |
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1202 } |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
changeset
|
1203 |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1204 table = mcf->tables.elts; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1205 for (i = 0; i < mcf->tables.nelts; i++) { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1206 if ((src == table->src && dst == table->dst) |
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1207 || (src == table->dst && dst == table->src)) |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1208 { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1209 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
|
1210 "duplicate \"charset_map\" between " |
461 | 1211 "\"%V\" and \"%V\"", &value[1], &value[2]); |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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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 |
501 | 1216 table = ngx_array_push(&mcf->tables); |
1217 if (table == NULL) { | |
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
|
1218 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
|
1219 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1220 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1221 table->src = src; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1222 table->dst = dst; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1223 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
797
diff
changeset
|
1224 if (ngx_strcasecmp(value[2].data, (u_char *) "utf-8") == 0) { |
657 | 1225 table->src2dst = ngx_pcalloc(cf->pool, 256 * NGX_UTF_LEN); |
1226 if (table->src2dst == NULL) { | |
1227 return NGX_CONF_ERROR; | |
1228 } | |
1229 | |
1230 table->dst2src = ngx_pcalloc(cf->pool, 256 * sizeof(void *)); | |
1231 if (table->dst2src == NULL) { | |
1232 return NGX_CONF_ERROR; | |
1233 } | |
1234 | |
1235 dst2src = ngx_pcalloc(cf->pool, 256); | |
1236 if (dst2src == NULL) { | |
1237 return NGX_CONF_ERROR; | |
1238 } | |
1239 | |
1240 pp = (u_char **) &table->dst2src[0]; | |
1241 pp[0] = dst2src; | |
1242 | |
1243 for (i = 0; i < 128; i++) { | |
1244 p = &table->src2dst[i * NGX_UTF_LEN]; | |
1245 p[0] = '\1'; | |
1246 p[1] = (u_char) i; | |
1247 dst2src[i] = (u_char) i; | |
1248 } | |
339
8c5b69141dfd
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parents:
338
diff
changeset
|
1249 |
657 | 1250 for (/* void */; i < 256; i++) { |
1251 p = &table->src2dst[i * NGX_UTF_LEN]; | |
1252 p[0] = '\1'; | |
1253 p[1] = '?'; | |
1254 } | |
1255 | |
1256 } else { | |
1257 table->src2dst = ngx_palloc(cf->pool, 256); | |
1258 if (table->src2dst == NULL) { | |
1259 return NGX_CONF_ERROR; | |
1260 } | |
1261 | |
1262 table->dst2src = ngx_palloc(cf->pool, 256); | |
1263 if (table->dst2src == NULL) { | |
1264 return NGX_CONF_ERROR; | |
1265 } | |
1266 | |
1267 for (i = 0; i < 128; i++) { | |
1268 table->src2dst[i] = (u_char) i; | |
1269 table->dst2src[i] = (u_char) i; | |
1270 } | |
1271 | |
1272 for (/* void */; i < 256; i++) { | |
1273 table->src2dst[i] = '?'; | |
1274 table->dst2src[i] = '?'; | |
1275 } | |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1276 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1277 |
657 | 1278 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
|
1279 |
657 | 1280 ctx.table = table; |
1281 ctx.charset = &charset[dst]; | |
1282 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
|
1283 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1284 pvcf = *cf; |
657 | 1285 cf->ctx = &ctx; |
1286 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
|
1287 cf->handler_conf = conf; |
501 | 1288 |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1289 rv = ngx_conf_parse(cf, NULL); |
501 | 1290 |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1291 *cf = pvcf; |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1292 |
657 | 1293 if (ctx.characters) { |
1294 n = ctx.charset->length; | |
1295 ctx.charset->length /= ctx.characters; | |
1296 | |
1297 if (((n * 10) / ctx.characters) % 10 > 4) { | |
1298 ctx.charset->length++; | |
1299 } | |
1300 } | |
1301 | |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1302 return rv; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1303 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1304 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1305 |
501 | 1306 static char * |
657 | 1307 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
|
1308 { |
657 | 1309 u_char *p, *dst2src, **pp; |
1310 uint32_t n; | |
1311 ngx_int_t src, dst; | |
1312 ngx_str_t *value; | |
1313 ngx_uint_t i; | |
1314 ngx_http_charset_tables_t *table; | |
1315 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
|
1316 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1317 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
|
1318 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
|
1319 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
|
1320 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1321 |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1322 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
|
1323 |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1324 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
|
1325 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
|
1326 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
461 | 1327 "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
|
1328 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
|
1329 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1330 |
657 | 1331 ctx = cf->ctx; |
1332 table = ctx->table; | |
1333 | |
1334 if (ctx->charset->utf8) { | |
1335 p = &table->src2dst[src * NGX_UTF_LEN]; | |
1336 | |
1337 *p++ = (u_char) (value[1].len / 2); | |
1338 | |
1339 for (i = 0; i < value[1].len; i += 2) { | |
1340 dst = ngx_hextoi(&value[1].data[i], 2); | |
1341 if (dst == NGX_ERROR || dst > 255) { | |
1342 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1343 "invalid value \"%V\"", &value[1]); | |
1344 return NGX_CONF_ERROR; | |
1345 } | |
1346 | |
1347 *p++ = (u_char) dst; | |
1348 } | |
1349 | |
1350 i /= 2; | |
1351 | |
1352 ctx->charset->length += i; | |
1353 ctx->characters++; | |
1354 | |
1355 p = &table->src2dst[src * NGX_UTF_LEN] + 1; | |
1356 | |
2125
8e4b9d2acde8
rename ngx_utf_...() to ngx_utf8_...()
Igor Sysoev <igor@sysoev.ru>
parents:
2050
diff
changeset
|
1357 n = ngx_utf8_decode(&p, i); |
657 | 1358 |
1359 if (n > 0xffff) { | |
1360 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1361 "invalid value \"%V\"", &value[1]); | |
1362 return NGX_CONF_ERROR; | |
1363 } | |
1364 | |
1365 pp = (u_char **) &table->dst2src[0]; | |
1366 | |
1367 dst2src = pp[n >> 8]; | |
1368 | |
1369 if (dst2src == NULL) { | |
1370 dst2src = ngx_pcalloc(cf->pool, 256); | |
1371 if (dst2src == NULL) { | |
1372 return NGX_CONF_ERROR; | |
1373 } | |
1374 | |
1375 pp[n >> 8] = dst2src; | |
1376 } | |
1377 | |
1378 dst2src[n & 0xff] = (u_char) src; | |
1379 | |
1380 } else { | |
1381 dst = ngx_hextoi(value[1].data, value[1].len); | |
1382 if (dst == NGX_ERROR || dst > 255) { | |
1383 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1384 "invalid value \"%V\"", &value[1]); | |
1385 return NGX_CONF_ERROR; | |
1386 } | |
1387 | |
1388 table->src2dst[src] = (u_char) dst; | |
1389 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
|
1390 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1391 |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1392 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
|
1393 } |
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 |
501 | 1396 static char * |
1397 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
|
1398 { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1399 char *p = conf; |
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 ngx_int_t *cp; |
752
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1402 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
|
1403 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
|
1404 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1405 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
|
1406 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1407 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
|
1408 return "is duplicate"; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1409 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1410 |
529 | 1411 value = cf->args->elts; |
1412 | |
1413 if (cmd->offset == offsetof(ngx_http_charset_loc_conf_t, charset) | |
1414 && ngx_strcmp(value[1].data, "off") == 0) | |
1415 { | |
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1416 *cp = NGX_HTTP_CHARSET_OFF; |
529 | 1417 return NGX_CONF_OK; |
1418 } | |
1419 | |
752
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 (value[1].data[0] == '$') { |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1422 var.len = value[1].len - 1; |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1423 var.data = value[1].data + 1; |
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_get_variable_index(cf, &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 if (*cp == NGX_ERROR) { |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1428 return NGX_CONF_ERROR; |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1429 } |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1430 |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1431 *cp += NGX_HTTP_CHARSET_VAR; |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1432 |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1433 return NGX_CONF_OK; |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1434 } |
907361d07f25
ngx_http_charset_module supports the variables
Igor Sysoev <igor@sysoev.ru>
parents:
681
diff
changeset
|
1435 |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1436 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
|
1437 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
|
1438 |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1439 *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
|
1440 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
|
1441 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
|
1442 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1443 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1444 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
|
1445 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1446 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1447 |
501 | 1448 static ngx_int_t |
1449 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
|
1450 { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1451 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
|
1452 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
|
1453 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1454 c = charsets->elts; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1455 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
|
1456 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
|
1457 continue; |
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 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1460 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
|
1461 break; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1462 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1463 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1464 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1465 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
|
1466 return i; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1467 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1468 |
501 | 1469 c = ngx_array_push(charsets); |
1470 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
|
1471 return NGX_ERROR; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1472 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1473 |
455 | 1474 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
|
1475 c->name = *name; |
657 | 1476 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
|
1477 |
1107
db7c468c447d
ngx_strcasecmp()/ngx_strncasecmp()
Igor Sysoev <igor@sysoev.ru>
parents:
797
diff
changeset
|
1478 if (ngx_strcasecmp(name->data, (u_char *) "utf-8") == 0) { |
523 | 1479 c->utf8 = 1; |
667 | 1480 |
1481 } else { | |
1482 c->utf8 = 0; | |
523 | 1483 } |
1484 | |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1485 return i; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1486 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1487 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1488 |
501 | 1489 static void * |
1490 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
|
1491 { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1492 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
|
1493 |
501 | 1494 mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_main_conf_t)); |
1495 if (mcf == NULL) { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1496 return NULL; |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1497 } |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1498 |
501 | 1499 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
|
1500 != NGX_OK) |
501 | 1501 { |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1502 return NULL; |
501 | 1503 } |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1504 |
529 | 1505 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
|
1506 sizeof(ngx_http_charset_tables_t)) |
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1507 != NGX_OK) |
501 | 1508 { |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1509 return NULL; |
501 | 1510 } |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1511 |
529 | 1512 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
|
1513 sizeof(ngx_http_charset_recode_t)) |
a6d6d762c554
small optimization: " == NGX_ERROR" > " != NGX_OK"
Igor Sysoev <igor@sysoev.ru>
parents:
2414
diff
changeset
|
1514 != NGX_OK) |
529 | 1515 { |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1516 return NULL; |
529 | 1517 } |
1518 | |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1519 return mcf; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1520 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1521 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1522 |
501 | 1523 static void * |
1524 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
|
1525 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1526 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
|
1527 |
501 | 1528 lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_loc_conf_t)); |
1529 if (lcf == NULL) { | |
2912
c7d57b539248
return NULL instead of NGX_CONF_ERROR on a create conf failure
Igor Sysoev <igor@sysoev.ru>
parents:
2891
diff
changeset
|
1530 return NULL; |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1531 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1532 |
2167 | 1533 /* |
1534 * set by ngx_pcalloc(): | |
1535 * | |
1536 * lcf->types = { NULL }; | |
1537 * lcf->types_keys = NULL; | |
1538 */ | |
1539 | |
529 | 1540 lcf->charset = NGX_CONF_UNSET; |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1541 lcf->source_charset = NGX_CONF_UNSET; |
635 | 1542 lcf->override_charset = NGX_CONF_UNSET; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1543 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1544 return lcf; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1545 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1546 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1547 |
501 | 1548 static char * |
1549 ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1550 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1551 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
changeset
|
1552 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>
parents:
diff
changeset
|
1553 |
529 | 1554 ngx_uint_t i; |
1555 ngx_http_charset_recode_t *recode; | |
1556 ngx_http_charset_main_conf_t *mcf; | |
477 | 1557 |
3372
6b8e5c882e47
support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
1558 if (ngx_http_merge_types(cf, &conf->types_keys, &conf->types, |
6b8e5c882e47
support "*" in gzip_types, ssi_types, etc
Igor Sysoev <igor@sysoev.ru>
parents:
2912
diff
changeset
|
1559 &prev->types_keys, &prev->types, |
2175
a69886fc2864
*) fix segfaults in types hash
Igor Sysoev <igor@sysoev.ru>
parents:
2167
diff
changeset
|
1560 ngx_http_charset_default_types) |
a69886fc2864
*) fix segfaults in types hash
Igor Sysoev <igor@sysoev.ru>
parents:
2167
diff
changeset
|
1561 != NGX_OK) |
a69886fc2864
*) fix segfaults in types hash
Igor Sysoev <igor@sysoev.ru>
parents:
2167
diff
changeset
|
1562 { |
a69886fc2864
*) fix segfaults in types hash
Igor Sysoev <igor@sysoev.ru>
parents:
2167
diff
changeset
|
1563 return NGX_CONF_ERROR; |
a69886fc2864
*) fix segfaults in types hash
Igor Sysoev <igor@sysoev.ru>
parents:
2167
diff
changeset
|
1564 } |
a69886fc2864
*) fix segfaults in types hash
Igor Sysoev <igor@sysoev.ru>
parents:
2167
diff
changeset
|
1565 |
635 | 1566 ngx_conf_merge_value(conf->override_charset, prev->override_charset, 0); |
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1567 ngx_conf_merge_value(conf->charset, prev->charset, NGX_HTTP_CHARSET_OFF); |
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1568 ngx_conf_merge_value(conf->source_charset, prev->source_charset, |
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1569 NGX_HTTP_CHARSET_OFF); |
477 | 1570 |
2889
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1571 if (conf->charset == NGX_HTTP_CHARSET_OFF |
0bb8c54f4c45
refactor ngx_http_charset_header_filter()
Igor Sysoev <igor@sysoev.ru>
parents:
2877
diff
changeset
|
1572 || conf->source_charset == NGX_HTTP_CHARSET_OFF |
529 | 1573 || conf->charset == conf->source_charset) |
477 | 1574 { |
529 | 1575 return NGX_CONF_OK; |
477 | 1576 } |
1577 | |
1590 | 1578 if (conf->source_charset >= NGX_HTTP_CHARSET_VAR |
1579 || conf->charset >= NGX_HTTP_CHARSET_VAR) | |
1580 { | |
1581 return NGX_CONF_OK; | |
1582 } | |
1583 | |
529 | 1584 mcf = ngx_http_conf_get_module_main_conf(cf, |
1585 ngx_http_charset_filter_module); | |
1586 recode = mcf->recodes.elts; | |
1587 for (i = 0; i < mcf->recodes.nelts; i++) { | |
1588 if (conf->source_charset == recode[i].src | |
1589 && conf->charset == recode[i].dst) | |
1590 { | |
1591 return NGX_CONF_OK; | |
1592 } | |
477 | 1593 } |
1594 | |
529 | 1595 recode = ngx_array_push(&mcf->recodes); |
1596 if (recode == NULL) { | |
477 | 1597 return NGX_CONF_ERROR; |
1598 } | |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1599 |
529 | 1600 recode->src = conf->source_charset; |
1601 recode->dst = conf->charset; | |
1602 | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1603 return NGX_CONF_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1604 } |
529 | 1605 |
1606 | |
1607 static ngx_int_t | |
1608 ngx_http_charset_postconfiguration(ngx_conf_t *cf) | |
1609 { | |
635 | 1610 u_char **src, **dst; |
529 | 1611 ngx_int_t c; |
1612 ngx_uint_t i, t; | |
1613 ngx_http_charset_t *charset; | |
1614 ngx_http_charset_recode_t *recode; | |
1615 ngx_http_charset_tables_t *tables; | |
1616 ngx_http_charset_main_conf_t *mcf; | |
1617 | |
1618 mcf = ngx_http_conf_get_module_main_conf(cf, | |
1619 ngx_http_charset_filter_module); | |
1620 | |
1621 recode = mcf->recodes.elts; | |
1622 tables = mcf->tables.elts; | |
1623 charset = mcf->charsets.elts; | |
1624 | |
1625 for (i = 0; i < mcf->recodes.nelts; i++) { | |
1626 | |
1627 c = recode[i].src; | |
1628 | |
1629 for (t = 0; t < mcf->tables.nelts; t++) { | |
1630 | |
1631 if (c == tables[t].src && recode[i].dst == tables[t].dst) { | |
1632 goto next; | |
1633 } | |
1634 | |
1635 if (c == tables[t].dst && recode[i].dst == tables[t].src) { | |
1636 goto next; | |
1637 } | |
1638 } | |
1639 | |
1640 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
1588 | 1641 "no \"charset_map\" between the charsets \"%V\" and \"%V\"", |
1642 &charset[c].name, &charset[recode[i].dst].name); | |
529 | 1643 return NGX_ERROR; |
1644 | |
1645 next: | |
1646 continue; | |
1647 } | |
1648 | |
635 | 1649 |
1650 for (t = 0; t < mcf->tables.nelts; t++) { | |
1651 | |
1652 src = charset[tables[t].src].tables; | |
1653 | |
1654 if (src == NULL) { | |
1655 src = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
1656 if (src == NULL) { | |
1657 return NGX_ERROR; | |
1658 } | |
1659 | |
1660 charset[tables[t].src].tables = src; | |
1661 } | |
1662 | |
1663 dst = charset[tables[t].dst].tables; | |
1664 | |
1665 if (dst == NULL) { | |
1666 dst = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
1667 if (dst == NULL) { | |
1668 return NGX_ERROR; | |
1669 } | |
1670 | |
1671 charset[tables[t].dst].tables = dst; | |
1672 } | |
1673 | |
1674 src[tables[t].dst] = tables[t].src2dst; | |
1675 dst[tables[t].src] = tables[t].dst2src; | |
1676 } | |
1677 | |
681 | 1678 ngx_http_next_header_filter = ngx_http_top_header_filter; |
1679 ngx_http_top_header_filter = ngx_http_charset_header_filter; | |
1680 | |
1681 ngx_http_next_body_filter = ngx_http_top_body_filter; | |
1682 ngx_http_top_body_filter = ngx_http_charset_body_filter; | |
1683 | |
529 | 1684 return NGX_OK; |
1685 } |