Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_charset_filter_module.c @ 8531:41f4bd4c51f1
Disabled control characters and space in header names.
Control characters (0x00-0x1f, 0x7f), space, and colon were never allowed in
header names. The only somewhat valid use is header continuation which nginx
never supported and which is explicitly obsolete by RFC 7230.
Previously, such headers were considered invalid and were ignored by default
(as per ignore_invalid_headers directive). With this change, such headers
are unconditionally rejected.
It is expected to make nginx more resilient to various attacks, in particular,
with ignore_invalid_headers switched off (which is inherently unsecure, though
nevertheless sometimes used in the wild).
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 28 Jun 2021 18:01:18 +0300 |
parents | a72886067bbb |
children |
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; | |
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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); | |
338
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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 |
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126 static ngx_str_t ngx_http_charset_default_types[] = { |
2167 | 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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speed up ngx_http_charset_recode() for 25%: google-perftools reported
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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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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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|
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 |
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speed up ngx_http_charset_recode() for 25%: google-perftools reported
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changeset
|
669 do { |
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changeset
|
670 if (*p != table[*p]) { |
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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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parents:
338
diff
changeset
|
1201 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
|
1202 } |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
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) |
8c5b69141dfd
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
8c5b69141dfd
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
nginx-0.0.3-2004-05-21-20:12:13 import
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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 } |