Mercurial > hg > nginx-quic
annotate src/http/modules/ngx_http_charset_filter_module.c @ 663:6d5c1535bb9d release-0.3.53
nginx-0.3.53-RELEASE import
*) Change: the "add_header" directive adds the string to 204, 301, and
302 responses.
*) Feature: the "server" directive in the "upstream" context supports
the "weight" parameter.
*) Feature: the "server_name" directive supports the "*" wildcard.
*) Feature: nginx supports the request body size more than 2G.
*) Bugfix: if a client was successfully authorized using "satisfy_any
on", then anyway the message "access forbidden by rule" was written
in the log.
*) Bugfix: the "PUT" method may erroneously not create a file and
return the 409 code.
*) Bugfix: if the IMAP/POP3 backend returned an error, then nginx
continued proxying anyway.
author | Igor Sysoev <igor@sysoev.ru> |
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date | Fri, 07 Jul 2006 16:33:19 +0000 |
parents | 9079ee4735ae |
children | 5fd7a5e99047 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_http.h> |
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11 |
657 | 12 #define NGX_HTTP_NO_CHARSET -2 |
13 | |
14 /* 1 byte length and up to 3 bytes for the UTF-8 encoding of the UCS-2 */ | |
15 #define NGX_UTF_LEN 4 | |
16 | |
17 #define NGX_HTML_ENTITY_LEN (sizeof("") - 1) | |
529 | 18 |
19 | |
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20 typedef struct { |
657 | 21 u_char **tables; |
22 ngx_str_t name; | |
523 | 23 |
657 | 24 unsigned length:16; |
25 unsigned utf8:1; | |
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26 } ngx_http_charset_t; |
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28 |
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29 typedef struct { |
657 | 30 ngx_int_t src; |
31 ngx_int_t dst; | |
529 | 32 } ngx_http_charset_recode_t; |
33 | |
34 | |
35 typedef struct { | |
657 | 36 ngx_int_t src; |
37 ngx_int_t dst; | |
38 u_char *src2dst; | |
39 u_char *dst2src; | |
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40 } ngx_http_charset_tables_t; |
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41 |
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42 |
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43 typedef struct { |
657 | 44 ngx_array_t charsets; /* ngx_http_charset_t */ |
45 ngx_array_t tables; /* ngx_http_charset_tables_t */ | |
46 ngx_array_t recodes; /* ngx_http_charset_recode_t */ | |
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47 } ngx_http_charset_main_conf_t; |
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50 typedef struct { |
657 | 51 ngx_int_t charset; |
52 ngx_int_t source_charset; | |
53 ngx_flag_t override_charset; | |
99
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54 } ngx_http_charset_loc_conf_t; |
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55 |
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57 typedef struct { |
657 | 58 u_char *table; |
59 ngx_int_t charset; | |
60 | |
61 ngx_chain_t *busy; | |
62 ngx_chain_t *free_bufs; | |
63 ngx_chain_t *free_buffers; | |
64 | |
65 size_t saved_len; | |
66 u_char saved[NGX_UTF_LEN]; | |
67 | |
68 unsigned length:16; | |
69 unsigned from_utf8:1; | |
70 unsigned to_utf8:1; | |
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71 } ngx_http_charset_ctx_t; |
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72 |
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73 |
657 | 74 typedef struct { |
75 ngx_http_charset_tables_t *table; | |
76 ngx_http_charset_t *charset; | |
77 ngx_uint_t characters; | |
78 } ngx_http_charset_conf_ctx_t; | |
79 | |
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80 |
657 | 81 static ngx_int_t ngx_http_charset_get_charset(ngx_http_charset_t *charsets, |
82 ngx_uint_t n, u_char *charset); | |
83 static ngx_int_t ngx_http_charset_set_charset(ngx_http_request_t *r, | |
84 ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset); | |
85 static ngx_uint_t ngx_http_charset_recode(ngx_buf_t *b, u_char *table); | |
86 static ngx_chain_t *ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, | |
87 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
88 static ngx_chain_t *ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, | |
89 ngx_buf_t *buf, ngx_http_charset_ctx_t *ctx); | |
90 | |
91 static ngx_chain_t *ngx_http_charset_get_buf(ngx_pool_t *pool, | |
92 ngx_http_charset_ctx_t *ctx); | |
93 static ngx_chain_t *ngx_http_charset_get_buffer(ngx_pool_t *pool, | |
94 ngx_http_charset_ctx_t *ctx, size_t size); | |
95 | |
96 static char *ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, | |
501 | 97 void *conf); |
657 | 98 static char *ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, |
99 void *conf); | |
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101 static char *ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, |
501 | 102 void *conf); |
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103 static ngx_int_t ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name); |
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104 |
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105 static ngx_int_t ngx_http_charset_filter_init(ngx_cycle_t *cycle); |
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106 |
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107 static void *ngx_http_charset_create_main_conf(ngx_conf_t *cf); |
119
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108 static void *ngx_http_charset_create_loc_conf(ngx_conf_t *cf); |
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109 static char *ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, |
501 | 110 void *parent, void *child); |
529 | 111 static ngx_int_t ngx_http_charset_postconfiguration(ngx_conf_t *cf); |
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112 |
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113 |
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114 static ngx_command_t ngx_http_charset_filter_commands[] = { |
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115 |
529 | 116 { ngx_string("charset"), |
559 | 117 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
118 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
529 | 119 ngx_http_set_charset_slot, |
120 NGX_HTTP_LOC_CONF_OFFSET, | |
121 offsetof(ngx_http_charset_loc_conf_t, charset), | |
122 NULL }, | |
123 | |
124 { ngx_string("source_charset"), | |
559 | 125 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF |
126 |NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
529 | 127 ngx_http_set_charset_slot, |
128 NGX_HTTP_LOC_CONF_OFFSET, | |
129 offsetof(ngx_http_charset_loc_conf_t, source_charset), | |
130 NULL }, | |
131 | |
635 | 132 { ngx_string("override_charset"), |
133 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF | |
134 |NGX_HTTP_LIF_CONF|NGX_CONF_FLAG, | |
135 ngx_conf_set_flag_slot, | |
136 NGX_HTTP_LOC_CONF_OFFSET, | |
137 offsetof(ngx_http_charset_loc_conf_t, override_charset), | |
138 NULL }, | |
139 | |
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140 { ngx_string("charset_map"), |
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141 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2, |
657 | 142 ngx_http_charset_map_block, |
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143 NGX_HTTP_MAIN_CONF_OFFSET, |
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144 0, |
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145 NULL }, |
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147 ngx_null_command |
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148 }; |
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149 |
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151 static ngx_http_module_t ngx_http_charset_filter_module_ctx = { |
509 | 152 NULL, /* preconfiguration */ |
529 | 153 ngx_http_charset_postconfiguration, /* postconfiguration */ |
177
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155 ngx_http_charset_create_main_conf, /* create main configuration */ |
529 | 156 NULL, /* init main configuration */ |
99
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157 |
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158 NULL, /* create server configuration */ |
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159 NULL, /* merge server configuration */ |
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160 |
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161 ngx_http_charset_create_loc_conf, /* create location configuration */ |
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162 ngx_http_charset_merge_loc_conf /* merge location configuration */ |
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163 }; |
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164 |
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165 |
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166 ngx_module_t ngx_http_charset_filter_module = { |
509 | 167 NGX_MODULE_V1, |
99
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168 &ngx_http_charset_filter_module_ctx, /* module context */ |
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169 ngx_http_charset_filter_commands, /* module directives */ |
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170 NGX_HTTP_MODULE, /* module type */ |
541 | 171 NULL, /* init master */ |
110
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172 ngx_http_charset_filter_init, /* init module */ |
541 | 173 NULL, /* init process */ |
174 NULL, /* init thread */ | |
175 NULL, /* exit thread */ | |
176 NULL, /* exit process */ | |
177 NULL, /* exit master */ | |
178 NGX_MODULE_V1_PADDING | |
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179 }; |
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180 |
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181 |
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182 static ngx_http_output_header_filter_pt ngx_http_next_header_filter; |
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183 static ngx_http_output_body_filter_pt ngx_http_next_body_filter; |
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184 |
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185 |
501 | 186 static ngx_int_t |
187 ngx_http_charset_header_filter(ngx_http_request_t *r) | |
99
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188 { |
657 | 189 u_char *ct; |
635 | 190 ngx_int_t charset, source_charset; |
663 | 191 ngx_str_t *mc, *from, *to; |
657 | 192 ngx_uint_t n; |
339
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193 ngx_http_charset_t *charsets; |
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194 ngx_http_charset_ctx_t *ctx; |
653 | 195 ngx_http_charset_loc_conf_t *lcf, *mlcf; |
339
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196 ngx_http_charset_main_conf_t *mcf; |
99
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197 |
339
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198 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module); |
635 | 199 |
657 | 200 charsets = mcf->charsets.elts; |
201 n = mcf->charsets.nelts; | |
635 | 202 |
657 | 203 /* destination charset */ |
653 | 204 |
205 if (r == r->main) { | |
657 | 206 |
653 | 207 if (r->headers_out.content_type.len == 0) { |
208 return ngx_http_next_header_filter(r); | |
209 } | |
389
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210 |
657 | 211 if (r->headers_out.override_charset |
212 && r->headers_out.override_charset->len) | |
653 | 213 { |
657 | 214 charset = ngx_http_charset_get_charset(charsets, n, |
215 r->headers_out.override_charset->data); | |
216 | |
217 if (charset == NGX_HTTP_NO_CHARSET) { | |
661 | 218 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
657 | 219 "unknown charset \"%V\" to override", |
659 | 220 r->headers_out.override_charset); |
657 | 221 |
222 return ngx_http_next_header_filter(r); | |
223 } | |
224 | |
225 } else { | |
226 mlcf = ngx_http_get_module_loc_conf(r, | |
227 ngx_http_charset_filter_module); | |
228 charset = mlcf->charset; | |
229 | |
230 if (charset == NGX_HTTP_NO_CHARSET) { | |
231 return ngx_http_next_header_filter(r); | |
232 } | |
233 | |
234 if (r->headers_out.charset.len) { | |
235 if (mlcf->override_charset == 0) { | |
236 return ngx_http_next_header_filter(r); | |
237 } | |
238 | |
239 } else { | |
240 ct = r->headers_out.content_type.data; | |
241 | |
242 if (ngx_strncasecmp(ct, "text/", 5) != 0 | |
243 && ngx_strncasecmp(ct, "application/x-javascript", 24) != 0) | |
244 { | |
245 return ngx_http_next_header_filter(r); | |
246 } | |
247 } | |
653 | 248 } |
249 | |
250 } else { | |
657 | 251 ctx = ngx_http_get_module_ctx(r->main, ngx_http_charset_filter_module); |
252 | |
253 if (ctx == NULL) { | |
254 | |
255 mc = &r->main->headers_out.charset; | |
256 | |
257 if (mc->len == 0) { | |
258 return ngx_http_next_header_filter(r); | |
259 } | |
260 | |
261 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); | |
262 if (ctx == NULL) { | |
263 return NGX_ERROR; | |
264 } | |
265 | |
266 ngx_http_set_ctx(r->main, ctx, ngx_http_charset_filter_module); | |
653 | 267 |
657 | 268 charset = ngx_http_charset_get_charset(charsets, n, mc->data); |
269 | |
270 ctx->charset = charset; | |
271 | |
661 | 272 } else { |
273 charset = ctx->charset; | |
653 | 274 } |
389
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275 } |
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276 |
657 | 277 /* source charset */ |
635 | 278 |
657 | 279 if (r->headers_out.charset.len == 0) { |
280 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module); | |
635 | 281 |
661 | 282 if (charset != NGX_HTTP_NO_CHARSET) { |
283 return ngx_http_charset_set_charset(r, mcf->charsets.elts, charset, | |
284 lcf->source_charset); | |
285 } | |
286 | |
287 if (lcf->source_charset == NGX_CONF_UNSET) { | |
288 return ngx_http_next_header_filter(r); | |
289 } | |
290 | |
663 | 291 from = &charsets[lcf->source_charset].name; |
292 to = &r->main->headers_out.charset; | |
661 | 293 |
663 | 294 goto no_charset_map; |
657 | 295 } |
635 | 296 |
657 | 297 source_charset = ngx_http_charset_get_charset(charsets, n, |
298 r->headers_out.charset.data); | |
635 | 299 |
661 | 300 if (charset == NGX_HTTP_NO_CHARSET |
301 || source_charset == NGX_HTTP_NO_CHARSET) | |
302 { | |
303 if (charset != source_charset | |
304 || ngx_strcasecmp(r->main->headers_out.charset.data, | |
305 r->headers_out.charset.data) | |
306 != 0) | |
307 { | |
663 | 308 from = &r->headers_out.charset; |
309 to = (charset == NGX_HTTP_NO_CHARSET) ? | |
310 &r->main->headers_out.charset: | |
311 &charsets[charset].name; | |
312 | |
313 goto no_charset_map; | |
661 | 314 } |
635 | 315 |
657 | 316 return ngx_http_next_header_filter(r); |
317 } | |
635 | 318 |
657 | 319 if (source_charset != charset |
320 && (charsets[source_charset].tables == NULL | |
321 || charsets[source_charset].tables[charset] == NULL)) | |
322 { | |
663 | 323 from = &charsets[source_charset].name; |
324 to = &charsets[charset].name; | |
635 | 325 |
663 | 326 goto no_charset_map; |
133
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327 } |
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328 |
657 | 329 r->headers_out.content_type.len = r->headers_out.content_type_len; |
330 | |
331 return ngx_http_charset_set_charset(r, mcf->charsets.elts, charset, | |
332 source_charset); | |
663 | 333 |
334 no_charset_map: | |
335 | |
336 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
337 "no \"charset_map\" between the charsets " | |
338 "\"%V\" and \"%V\"", from, to); | |
339 | |
340 return ngx_http_next_header_filter(r); | |
657 | 341 } |
342 | |
343 | |
344 static ngx_int_t | |
345 ngx_http_charset_get_charset(ngx_http_charset_t *charsets, ngx_uint_t n, | |
346 u_char *charset) | |
347 { | |
348 ngx_uint_t i; | |
349 | |
350 for (i = 0; i < n; i++) { | |
351 if (ngx_strcasecmp(charsets[i].name.data, charset) == 0) { | |
352 return i; | |
353 } | |
354 } | |
355 | |
356 return NGX_HTTP_NO_CHARSET; | |
357 } | |
358 | |
359 | |
360 static ngx_int_t | |
361 ngx_http_charset_set_charset(ngx_http_request_t *r, | |
362 ngx_http_charset_t *charsets, ngx_int_t charset, ngx_int_t source_charset) | |
363 { | |
364 ngx_http_charset_ctx_t *ctx; | |
365 | |
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366 if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY |
501 | 367 || r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY) |
99
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368 { |
155
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369 /* |
635 | 370 * do not set charset for the redirect because NN 4.x |
371 * use this charset instead of the next page charset | |
155
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372 */ |
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373 |
99
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374 r->headers_out.charset.len = 0; |
657 | 375 |
339
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376 return ngx_http_next_header_filter(r); |
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377 } |
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378 |
635 | 379 r->headers_out.charset = charsets[charset].name; |
380 r->utf8 = charsets[charset].utf8; | |
381 | |
382 if (source_charset == NGX_CONF_UNSET || source_charset == charset) { | |
339
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383 return ngx_http_next_header_filter(r); |
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384 } |
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385 |
501 | 386 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t)); |
387 if (ctx == NULL) { | |
388 return NGX_ERROR; | |
389 } | |
390 | |
391 ngx_http_set_ctx(r, ctx, ngx_http_charset_filter_module); | |
392 | |
635 | 393 ctx->table = charsets[source_charset].tables[charset]; |
394 ctx->charset = charset; | |
657 | 395 ctx->length = charsets[charset].length; |
396 ctx->from_utf8 = charsets[source_charset].utf8; | |
397 ctx->to_utf8 = charsets[charset].utf8; | |
398 | |
663 | 399 r->filter_need_in_memory = 1; |
400 | |
657 | 401 if ((ctx->to_utf8 || ctx->from_utf8) && r == r->main) { |
402 ngx_http_clear_content_length(r); | |
663 | 403 |
404 } else { | |
405 r->filter_need_temporary = 1; | |
657 | 406 } |
339
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407 |
155
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408 return ngx_http_next_header_filter(r); |
99
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changeset
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409 } |
a059e1aa65d4
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changeset
|
410 |
a059e1aa65d4
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411 |
501 | 412 static ngx_int_t |
413 ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in) | |
99
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414 { |
657 | 415 ngx_int_t rc; |
416 ngx_buf_t *b; | |
417 ngx_chain_t *cl, *out, **ll; | |
635 | 418 ngx_http_charset_ctx_t *ctx; |
339
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338
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419 |
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338
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420 ctx = ngx_http_get_module_ctx(r, ngx_http_charset_filter_module); |
8c5b69141dfd
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338
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421 |
635 | 422 if (ctx == NULL || ctx->table == NULL) { |
339
8c5b69141dfd
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338
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423 return ngx_http_next_body_filter(r, in); |
8c5b69141dfd
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338
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424 } |
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338
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425 |
657 | 426 if ((ctx->to_utf8 || ctx->from_utf8) || ctx->busy) { |
427 | |
428 out = NULL; | |
429 ll = &out; | |
430 | |
431 for (cl = in; cl; cl = cl->next) { | |
432 b = cl->buf; | |
433 | |
434 if (ngx_buf_size(b) == 0) { | |
435 continue; | |
436 } | |
437 | |
438 if (ctx->to_utf8) { | |
439 *ll = ngx_http_charset_recode_to_utf8(r->pool, b, ctx); | |
440 | |
441 } else { | |
442 *ll = ngx_http_charset_recode_from_utf8(r->pool, b, ctx); | |
443 } | |
444 | |
445 if (*ll == NULL) { | |
446 return NGX_ERROR; | |
447 } | |
448 | |
449 while (*ll) { | |
450 ll = &(*ll)->next; | |
451 } | |
452 } | |
453 | |
454 rc = ngx_http_next_body_filter(r, out); | |
455 | |
456 if (out) { | |
457 if (ctx->busy == NULL) { | |
458 ctx->busy = out; | |
459 | |
460 } else { | |
461 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ } | |
462 cl->next = out; | |
463 } | |
464 } | |
465 | |
466 while (ctx->busy) { | |
467 | |
468 cl = ctx->busy; | |
469 b = cl->buf; | |
470 | |
471 if (ngx_buf_size(b) != 0) { | |
472 break; | |
473 } | |
474 | |
475 #if (NGX_HAVE_WRITE_ZEROCOPY) | |
476 if (b->zerocopy_busy) { | |
477 break; | |
478 } | |
479 #endif | |
480 | |
481 ctx->busy = cl->next; | |
482 | |
483 if (b->tag != (ngx_buf_tag_t) &ngx_http_charset_filter_module) { | |
484 continue; | |
485 } | |
486 | |
487 if (b->shadow) { | |
488 b->shadow->pos = b->shadow->last; | |
489 } | |
490 | |
491 if (b->pos) { | |
492 cl->next = ctx->free_buffers; | |
493 ctx->free_buffers = cl; | |
494 continue; | |
495 } | |
496 | |
497 cl->next = ctx->free_bufs; | |
498 ctx->free_bufs = cl; | |
499 } | |
500 | |
501 return rc; | |
502 } | |
503 | |
339
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338
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504 for (cl = in; cl; cl = cl->next) { |
635 | 505 (void) ngx_http_charset_recode(cl->buf, ctx->table); |
339
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338
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506 } |
8c5b69141dfd
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338
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507 |
155
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508 return ngx_http_next_body_filter(r, in); |
99
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parents:
diff
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509 } |
339
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338
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510 |
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338
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511 |
501 | 512 static ngx_uint_t |
635 | 513 ngx_http_charset_recode(ngx_buf_t *b, u_char *table) |
339
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514 { |
635 | 515 u_char *p; |
339
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338
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516 |
343
6bdf858bff8c
nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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340
diff
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|
517 for (p = b->pos; p < b->last; p++) { |
635 | 518 |
519 if (*p == table[*p]) { | |
520 continue; | |
455 | 521 } |
522 | |
523 while (p < b->last) { | |
524 *p = table[*p]; | |
525 p++; | |
526 } | |
527 | |
528 b->in_file = 0; | |
635 | 529 |
530 return 1; | |
455 | 531 } |
532 | |
635 | 533 return 0; |
339
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534 } |
99
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diff
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535 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
536 |
657 | 537 static ngx_chain_t * |
538 ngx_http_charset_recode_from_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
539 ngx_http_charset_ctx_t *ctx) | |
540 { | |
541 size_t len, size; | |
542 u_char c, *p, *src, *dst, *saved, **table; | |
543 uint32_t n; | |
544 ngx_buf_t *b; | |
545 ngx_uint_t i; | |
546 ngx_chain_t *out, *cl, **ll; | |
547 | |
548 src = buf->pos; | |
549 | |
550 if (ctx->saved_len == 0) { | |
551 | |
552 for ( /* void */ ; src < buf->last; src++) { | |
553 | |
554 if (*src < 0x80) { | |
555 continue; | |
556 } | |
557 | |
558 len = src - buf->pos; | |
559 | |
560 if (len > 512) { | |
561 out = ngx_http_charset_get_buf(pool, ctx); | |
562 if (out == NULL) { | |
563 return NULL; | |
564 } | |
565 | |
566 b = out->buf; | |
567 | |
568 b->temporary = buf->temporary; | |
569 b->memory = buf->memory; | |
570 b->mmap = buf->mmap; | |
571 b->flush = buf->flush; | |
572 | |
573 b->pos = buf->pos; | |
574 b->last = src; | |
575 | |
576 out->buf = b; | |
577 out->next = NULL; | |
578 | |
579 size = buf->last - src; | |
580 | |
581 saved = src; | |
582 n = ngx_utf_decode(&saved, size); | |
583 | |
584 if (n == 0xfffffffe) { | |
585 /* incomplete UTF-8 symbol */ | |
586 | |
587 ngx_memcpy(ctx->saved, src, size); | |
588 ctx->saved_len = size; | |
589 | |
590 b->shadow = buf; | |
591 | |
592 return out; | |
593 } | |
594 | |
595 } else { | |
596 out = NULL; | |
597 size = len + buf->last - src; | |
598 src = buf->pos; | |
599 } | |
600 | |
601 if (size < NGX_HTML_ENTITY_LEN) { | |
602 size += NGX_HTML_ENTITY_LEN; | |
603 } | |
604 | |
605 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
606 if (cl == NULL) { | |
607 return NULL; | |
608 } | |
609 | |
610 if (out) { | |
611 out->next = cl; | |
612 | |
613 } else { | |
614 out = cl; | |
615 } | |
616 | |
617 b = cl->buf; | |
618 dst = b->pos; | |
619 | |
620 goto recode; | |
621 } | |
622 | |
623 out = ngx_alloc_chain_link(pool); | |
624 if (out == NULL) { | |
625 return NULL; | |
626 } | |
627 | |
628 out->buf = buf; | |
629 out->next = NULL; | |
630 | |
631 return out; | |
632 } | |
633 | |
634 /* process incomplete UTF sequence from previous buffer */ | |
635 | |
636 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
637 "http charset utf saved: %z", ctx->saved_len); | |
638 | |
639 p = src; | |
640 | |
641 for (i = ctx->saved_len; i < NGX_UTF_LEN; i++) { | |
642 ctx->saved[i] = *p++; | |
643 | |
644 if (p == buf->last) { | |
645 break; | |
646 } | |
647 } | |
648 | |
649 saved = ctx->saved; | |
650 n = ngx_utf_decode(&saved, i); | |
651 | |
652 c = '\0'; | |
653 | |
654 if (n < 0x10000) { | |
655 table = (u_char **) ctx->table; | |
656 p = table[n >> 8]; | |
657 | |
658 if (p) { | |
659 c = p[n & 0xff]; | |
660 } | |
661 | |
662 } else if (n == 0xfffffffe) { | |
663 | |
664 /* incomplete UTF-8 symbol */ | |
665 | |
666 if (i < NGX_UTF_LEN) { | |
667 out = ngx_http_charset_get_buf(pool, ctx); | |
668 if (out == NULL) { | |
669 return NULL; | |
670 } | |
671 | |
672 b = out->buf; | |
673 | |
674 b->pos = buf->pos; | |
675 b->last = buf->last; | |
676 b->sync = 1; | |
677 b->shadow = buf; | |
678 | |
679 ngx_memcpy(&ctx->saved[ctx->saved_len], src, i); | |
680 ctx->saved_len += i; | |
681 | |
682 return out; | |
683 } | |
684 } | |
685 | |
686 size = buf->last - buf->pos; | |
687 | |
688 if (size < NGX_HTML_ENTITY_LEN) { | |
689 size += NGX_HTML_ENTITY_LEN; | |
690 } | |
691 | |
692 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
693 if (cl == NULL) { | |
694 return NULL; | |
695 } | |
696 | |
697 out = cl; | |
698 | |
699 b = cl->buf; | |
700 dst = b->pos; | |
701 | |
702 if (c) { | |
703 *dst++ = c; | |
704 | |
705 } else if (n == 0xfffffffe) { | |
706 *dst++ = '?'; | |
707 | |
708 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
709 "http charset invalid utf 0"); | |
710 | |
711 saved = &ctx->saved[NGX_UTF_LEN]; | |
712 | |
713 } else if (n > 0x10ffff) { | |
714 *dst++ = '?'; | |
715 | |
716 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
717 "http charset invalid utf 1"); | |
718 | |
719 } else { | |
720 dst = ngx_sprintf(dst, "&#%uD;", n); | |
721 } | |
722 | |
723 src += (saved - ctx->saved) - ctx->saved_len; | |
724 ctx->saved_len = 0; | |
725 | |
726 recode: | |
727 | |
728 ll = &cl->next; | |
729 | |
730 table = (u_char **) ctx->table; | |
731 | |
732 while (src < buf->last) { | |
733 | |
734 if ((size_t) (b->end - dst) < NGX_HTML_ENTITY_LEN) { | |
735 b->last = dst; | |
736 | |
737 size = buf->last - src + NGX_HTML_ENTITY_LEN; | |
738 | |
739 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
740 if (cl == NULL) { | |
741 return NULL; | |
742 } | |
743 | |
744 *ll = cl; | |
745 ll = &cl->next; | |
746 | |
747 b = cl->buf; | |
748 dst = b->pos; | |
749 } | |
750 | |
751 if (*src < 0x80) { | |
752 *dst++ = *src++; | |
753 continue; | |
754 } | |
755 | |
756 len = buf->last - src; | |
757 | |
758 n = ngx_utf_decode(&src, len); | |
759 | |
760 if (n < 0x10000) { | |
761 | |
762 p = table[n >> 8]; | |
763 | |
764 if (p) { | |
765 c = p[n & 0xff]; | |
766 | |
767 if (c) { | |
768 *dst++ = c; | |
769 continue; | |
770 } | |
771 } | |
772 | |
773 dst = ngx_sprintf(dst, "&#%uD;", n); | |
774 | |
775 continue; | |
776 } | |
777 | |
778 if (n == 0xfffffffe) { | |
779 /* incomplete UTF-8 symbol */ | |
780 | |
781 ngx_memcpy(ctx->saved, src, len); | |
782 ctx->saved_len = len; | |
783 | |
784 if (b->pos == dst) { | |
785 b->sync = 1; | |
786 b->temporary = 0; | |
787 } | |
788 | |
789 break; | |
790 } | |
791 | |
792 if (n > 0x10ffff) { | |
793 *dst++ = '?'; | |
794 | |
795 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, pool->log, 0, | |
796 "http charset invalid utf 2"); | |
797 | |
798 continue; | |
799 } | |
800 | |
801 /* n > 0xffff */ | |
802 | |
803 dst = ngx_sprintf(dst, "&#%uD;", n); | |
804 } | |
805 | |
806 b->last = dst; | |
807 | |
808 b->last_buf = buf->last_buf; | |
809 b->last_in_chain = buf->last_in_chain; | |
810 b->flush = buf->flush; | |
811 | |
812 b->shadow = buf; | |
813 | |
814 return out; | |
815 } | |
816 | |
817 | |
818 static ngx_chain_t * | |
819 ngx_http_charset_recode_to_utf8(ngx_pool_t *pool, ngx_buf_t *buf, | |
820 ngx_http_charset_ctx_t *ctx) | |
821 { | |
822 size_t len, size; | |
823 u_char *p, *src, *dst, *table; | |
824 ngx_buf_t *b; | |
825 ngx_chain_t *out, *cl, **ll; | |
826 | |
827 table = ctx->table; | |
828 | |
829 for (src = buf->pos; src < buf->last; src++) { | |
830 if (table[*src * NGX_UTF_LEN] == '\1') { | |
831 continue; | |
832 } | |
833 | |
834 goto recode; | |
835 } | |
836 | |
837 out = ngx_alloc_chain_link(pool); | |
838 if (out == NULL) { | |
839 return NULL; | |
840 } | |
841 | |
842 out->buf = buf; | |
843 out->next = NULL; | |
844 | |
845 return out; | |
846 | |
847 recode: | |
848 | |
849 /* | |
850 * we assume that there are about half of characters to be recoded, | |
851 * so we preallocate "size / 2 + size / 2 * ctx->length" | |
852 */ | |
853 | |
854 len = src - buf->pos; | |
855 | |
856 if (len > 512) { | |
857 out = ngx_http_charset_get_buf(pool, ctx); | |
858 if (out == NULL) { | |
859 return NULL; | |
860 } | |
861 | |
862 b = out->buf; | |
863 | |
864 b->temporary = buf->temporary; | |
865 b->memory = buf->memory; | |
866 b->mmap = buf->mmap; | |
867 b->flush = buf->flush; | |
868 | |
869 b->pos = buf->pos; | |
870 b->last = src; | |
871 | |
872 out->buf = b; | |
873 out->next = NULL; | |
874 | |
875 size = buf->last - src; | |
876 size = size / 2 + size / 2 * ctx->length; | |
877 | |
878 } else { | |
879 out = NULL; | |
880 | |
881 size = buf->last - src; | |
882 size = len + size / 2 + size / 2 * ctx->length; | |
883 | |
884 src = buf->pos; | |
885 } | |
886 | |
887 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
888 if (cl == NULL) { | |
889 return NULL; | |
890 } | |
891 | |
892 if (out) { | |
893 out->next = cl; | |
894 | |
895 } else { | |
896 out = cl; | |
897 } | |
898 | |
899 ll = &cl->next; | |
900 | |
901 b = cl->buf; | |
902 dst = b->pos; | |
903 | |
904 while (src < buf->last) { | |
905 | |
906 p = &table[*src++ * NGX_UTF_LEN]; | |
907 len = *p++; | |
908 | |
909 if ((size_t) (b->end - dst) < len) { | |
910 b->last = dst; | |
911 | |
912 size = buf->last - src; | |
913 size = len + size / 2 + size / 2 * ctx->length; | |
914 | |
915 cl = ngx_http_charset_get_buffer(pool, ctx, size); | |
916 if (cl == NULL) { | |
917 return NULL; | |
918 } | |
919 | |
920 *ll = cl; | |
921 ll = &cl->next; | |
922 | |
923 b = cl->buf; | |
924 dst = b->pos; | |
925 } | |
926 | |
927 while (len) { | |
928 *dst++ = *p++; | |
929 len--; | |
930 } | |
931 } | |
932 | |
933 b->last = dst; | |
934 | |
935 b->last_buf = buf->last_buf; | |
936 b->last_in_chain = buf->last_in_chain; | |
937 b->flush = buf->flush; | |
938 | |
939 b->shadow = buf; | |
940 | |
941 return out; | |
942 } | |
943 | |
944 | |
945 static ngx_chain_t * | |
946 ngx_http_charset_get_buf(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx) | |
947 { | |
948 ngx_chain_t *cl; | |
949 | |
950 cl = ctx->free_bufs; | |
951 | |
952 if (cl) { | |
953 ctx->free_bufs = cl->next; | |
954 | |
955 cl->buf->shadow = NULL; | |
956 cl->next = NULL; | |
957 | |
958 return cl; | |
959 } | |
960 | |
961 cl = ngx_alloc_chain_link(pool); | |
962 if (cl == NULL) { | |
963 return NULL; | |
964 } | |
965 | |
966 cl->buf = ngx_calloc_buf(pool); | |
967 if (cl->buf == NULL) { | |
968 return NULL; | |
969 } | |
970 | |
971 cl->next = NULL; | |
972 | |
973 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
974 | |
975 return cl; | |
976 } | |
977 | |
978 | |
979 static ngx_chain_t * | |
980 ngx_http_charset_get_buffer(ngx_pool_t *pool, ngx_http_charset_ctx_t *ctx, | |
981 size_t size) | |
982 { | |
983 ngx_buf_t *b; | |
984 ngx_chain_t *cl, **ll; | |
985 | |
986 for (ll = &ctx->free_buffers, cl = ctx->free_buffers; | |
987 cl; | |
988 ll = &cl->next, cl = cl->next) | |
989 { | |
990 b = cl->buf; | |
991 | |
992 if ((size_t) (b->end - b->start) >= size) { | |
993 *ll = cl->next; | |
994 cl->next = NULL; | |
995 | |
996 b->pos = b->start; | |
997 b->temporary = 1; | |
998 b->shadow = NULL; | |
999 | |
1000 return cl; | |
1001 } | |
1002 } | |
1003 | |
1004 cl = ngx_alloc_chain_link(pool); | |
1005 if (cl == NULL) { | |
1006 return NULL; | |
1007 } | |
1008 | |
1009 cl->buf = ngx_create_temp_buf(pool, size); | |
1010 if (cl->buf == NULL) { | |
1011 return NULL; | |
1012 } | |
1013 | |
1014 cl->next = NULL; | |
1015 | |
1016 cl->buf->temporary = 1; | |
1017 cl->buf->tag = (ngx_buf_tag_t) &ngx_http_charset_filter_module; | |
1018 | |
1019 return cl; | |
1020 } | |
1021 | |
1022 | |
501 | 1023 static char * |
657 | 1024 ngx_http_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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1025 { |
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1026 ngx_http_charset_main_conf_t *mcf = conf; |
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1027 |
657 | 1028 char *rv; |
1029 u_char *p, *dst2src, **pp; | |
1030 ngx_int_t src, dst; | |
1031 ngx_uint_t i, n; | |
1032 ngx_str_t *value; | |
1033 ngx_conf_t pvcf; | |
1034 ngx_http_charset_t *charset; | |
1035 ngx_http_charset_tables_t *table; | |
1036 ngx_http_charset_conf_ctx_t ctx; | |
339
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1037 |
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1038 value = cf->args->elts; |
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1039 |
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1040 src = ngx_http_add_charset(&mcf->charsets, &value[1]); |
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1041 if (src == NGX_ERROR) { |
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1042 return NGX_CONF_ERROR; |
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1043 } |
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1044 |
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1045 dst = ngx_http_add_charset(&mcf->charsets, &value[2]); |
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1046 if (dst == NGX_ERROR) { |
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1047 return NGX_CONF_ERROR; |
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1048 } |
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1049 |
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1050 if (src == dst) { |
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1051 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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1052 "\"charset_map\" between the same charsets " |
461 | 1053 "\"%V\" and \"%V\"", &value[1], &value[2]); |
339
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1054 return NGX_CONF_ERROR; |
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1055 } |
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1056 |
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1057 table = mcf->tables.elts; |
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1058 for (i = 0; i < mcf->tables.nelts; i++) { |
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1059 if ((src == table->src && dst == table->dst) |
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1060 || (src == table->dst && dst == table->src)) |
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1061 { |
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1062 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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1063 "duplicate \"charset_map\" between " |
461 | 1064 "\"%V\" and \"%V\"", &value[1], &value[2]); |
339
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1065 return NGX_CONF_ERROR; |
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1066 } |
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1067 } |
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1068 |
501 | 1069 table = ngx_array_push(&mcf->tables); |
1070 if (table == NULL) { | |
339
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1071 return NGX_CONF_ERROR; |
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1072 } |
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1073 |
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1074 table->src = src; |
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1075 table->dst = dst; |
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1076 |
657 | 1077 if (ngx_strcasecmp(value[2].data, "utf-8") == 0) { |
1078 table->src2dst = ngx_pcalloc(cf->pool, 256 * NGX_UTF_LEN); | |
1079 if (table->src2dst == NULL) { | |
1080 return NGX_CONF_ERROR; | |
1081 } | |
1082 | |
1083 table->dst2src = ngx_pcalloc(cf->pool, 256 * sizeof(void *)); | |
1084 if (table->dst2src == NULL) { | |
1085 return NGX_CONF_ERROR; | |
1086 } | |
1087 | |
1088 dst2src = ngx_pcalloc(cf->pool, 256); | |
1089 if (dst2src == NULL) { | |
1090 return NGX_CONF_ERROR; | |
1091 } | |
1092 | |
1093 pp = (u_char **) &table->dst2src[0]; | |
1094 pp[0] = dst2src; | |
1095 | |
1096 for (i = 0; i < 128; i++) { | |
1097 p = &table->src2dst[i * NGX_UTF_LEN]; | |
1098 p[0] = '\1'; | |
1099 p[1] = (u_char) i; | |
1100 dst2src[i] = (u_char) i; | |
1101 } | |
339
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1102 |
657 | 1103 for (/* void */; i < 256; i++) { |
1104 p = &table->src2dst[i * NGX_UTF_LEN]; | |
1105 p[0] = '\1'; | |
1106 p[1] = '?'; | |
1107 } | |
1108 | |
1109 } else { | |
1110 table->src2dst = ngx_palloc(cf->pool, 256); | |
1111 if (table->src2dst == NULL) { | |
1112 return NGX_CONF_ERROR; | |
1113 } | |
1114 | |
1115 table->dst2src = ngx_palloc(cf->pool, 256); | |
1116 if (table->dst2src == NULL) { | |
1117 return NGX_CONF_ERROR; | |
1118 } | |
1119 | |
1120 for (i = 0; i < 128; i++) { | |
1121 table->src2dst[i] = (u_char) i; | |
1122 table->dst2src[i] = (u_char) i; | |
1123 } | |
1124 | |
1125 for (/* void */; i < 256; i++) { | |
1126 table->src2dst[i] = '?'; | |
1127 table->dst2src[i] = '?'; | |
1128 } | |
339
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1129 } |
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1130 |
657 | 1131 charset = mcf->charsets.elts; |
339
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1132 |
657 | 1133 ctx.table = table; |
1134 ctx.charset = &charset[dst]; | |
1135 ctx.characters = 0; | |
339
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1136 |
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1137 pvcf = *cf; |
657 | 1138 cf->ctx = &ctx; |
1139 cf->handler = ngx_http_charset_map; | |
338
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1140 cf->handler_conf = conf; |
501 | 1141 |
338
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1142 rv = ngx_conf_parse(cf, NULL); |
501 | 1143 |
339
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1144 *cf = pvcf; |
338
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1145 |
657 | 1146 if (ctx.characters) { |
1147 n = ctx.charset->length; | |
1148 ctx.charset->length /= ctx.characters; | |
1149 | |
1150 if (((n * 10) / ctx.characters) % 10 > 4) { | |
1151 ctx.charset->length++; | |
1152 } | |
1153 } | |
1154 | |
338
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1155 return rv; |
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1156 } |
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|
1157 |
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diff
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1158 |
501 | 1159 static char * |
657 | 1160 ngx_http_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf) |
338
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parents:
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|
1161 { |
657 | 1162 u_char *p, *dst2src, **pp; |
1163 uint32_t n; | |
1164 ngx_int_t src, dst; | |
1165 ngx_str_t *value; | |
1166 ngx_uint_t i; | |
1167 ngx_http_charset_tables_t *table; | |
1168 ngx_http_charset_conf_ctx_t *ctx; | |
338
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parents:
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diff
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|
1169 |
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parents:
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diff
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|
1170 if (cf->args->nelts != 2) { |
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parents:
307
diff
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|
1171 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameters number"); |
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parents:
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diff
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|
1172 return NGX_CONF_ERROR; |
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parents:
307
diff
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|
1173 } |
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parents:
307
diff
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|
1174 |
339
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parents:
338
diff
changeset
|
1175 value = cf->args->elts; |
338
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parents:
307
diff
changeset
|
1176 |
339
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parents:
338
diff
changeset
|
1177 src = ngx_hextoi(value[0].data, value[0].len); |
338
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nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1178 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
|
1179 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
461 | 1180 "invalid value \"%V\"", &value[0]); |
339
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
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|
1181 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
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|
1182 } |
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1183 |
657 | 1184 ctx = cf->ctx; |
1185 table = ctx->table; | |
1186 | |
1187 if (ctx->charset->utf8) { | |
1188 p = &table->src2dst[src * NGX_UTF_LEN]; | |
1189 | |
1190 *p++ = (u_char) (value[1].len / 2); | |
1191 | |
1192 for (i = 0; i < value[1].len; i += 2) { | |
1193 dst = ngx_hextoi(&value[1].data[i], 2); | |
1194 if (dst == NGX_ERROR || dst > 255) { | |
1195 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1196 "invalid value \"%V\"", &value[1]); | |
1197 return NGX_CONF_ERROR; | |
1198 } | |
1199 | |
1200 *p++ = (u_char) dst; | |
1201 } | |
1202 | |
1203 i /= 2; | |
1204 | |
1205 ctx->charset->length += i; | |
1206 ctx->characters++; | |
1207 | |
1208 p = &table->src2dst[src * NGX_UTF_LEN] + 1; | |
1209 | |
1210 n = ngx_utf_decode(&p, i); | |
1211 | |
1212 if (n > 0xffff) { | |
1213 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1214 "invalid value \"%V\"", &value[1]); | |
1215 return NGX_CONF_ERROR; | |
1216 } | |
1217 | |
1218 pp = (u_char **) &table->dst2src[0]; | |
1219 | |
1220 dst2src = pp[n >> 8]; | |
1221 | |
1222 if (dst2src == NULL) { | |
1223 dst2src = ngx_pcalloc(cf->pool, 256); | |
1224 if (dst2src == NULL) { | |
1225 return NGX_CONF_ERROR; | |
1226 } | |
1227 | |
1228 pp[n >> 8] = dst2src; | |
1229 } | |
1230 | |
1231 dst2src[n & 0xff] = (u_char) src; | |
1232 | |
1233 } else { | |
1234 dst = ngx_hextoi(value[1].data, value[1].len); | |
1235 if (dst == NGX_ERROR || dst > 255) { | |
1236 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1237 "invalid value \"%V\"", &value[1]); | |
1238 return NGX_CONF_ERROR; | |
1239 } | |
1240 | |
1241 table->src2dst[src] = (u_char) dst; | |
1242 table->dst2src[dst] = (u_char) src; | |
338
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parents:
307
diff
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|
1243 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
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|
1244 |
339
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parents:
338
diff
changeset
|
1245 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
|
1246 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1247 |
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parents:
338
diff
changeset
|
1248 |
501 | 1249 static char * |
1250 ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
339
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parents:
338
diff
changeset
|
1251 { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1252 char *p = conf; |
8c5b69141dfd
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Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1253 |
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parents:
338
diff
changeset
|
1254 ngx_int_t *cp; |
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parents:
338
diff
changeset
|
1255 ngx_str_t *value; |
8c5b69141dfd
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parents:
338
diff
changeset
|
1256 ngx_http_charset_main_conf_t *mcf; |
8c5b69141dfd
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parents:
338
diff
changeset
|
1257 |
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parents:
338
diff
changeset
|
1258 cp = (ngx_int_t *) (p + cmd->offset); |
8c5b69141dfd
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parents:
338
diff
changeset
|
1259 |
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parents:
338
diff
changeset
|
1260 if (*cp != NGX_CONF_UNSET) { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1261 return "is duplicate"; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
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|
1262 } |
8c5b69141dfd
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parents:
338
diff
changeset
|
1263 |
529 | 1264 value = cf->args->elts; |
1265 | |
1266 if (cmd->offset == offsetof(ngx_http_charset_loc_conf_t, charset) | |
1267 && ngx_strcmp(value[1].data, "off") == 0) | |
1268 { | |
1269 *cp = NGX_HTTP_NO_CHARSET; | |
1270 return NGX_CONF_OK; | |
1271 } | |
1272 | |
396
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
Igor Sysoev <igor@sysoev.ru>
parents:
389
diff
changeset
|
1273 mcf = ngx_http_conf_get_module_main_conf(cf, |
6f3b20c1ac50
nginx-0.0.7-2004-07-18-23:11:20 import
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parents:
389
diff
changeset
|
1274 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
|
1275 |
339
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parents:
338
diff
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|
1276 *cp = ngx_http_add_charset(&mcf->charsets, &value[1]); |
8c5b69141dfd
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parents:
338
diff
changeset
|
1277 if (*cp == NGX_ERROR) { |
338
0376cffa29e6
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parents:
307
diff
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|
1278 return NGX_CONF_ERROR; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
changeset
|
1279 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1280 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
changeset
|
1281 return NGX_CONF_OK; |
0376cffa29e6
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parents:
307
diff
changeset
|
1282 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
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parents:
307
diff
changeset
|
1283 |
0376cffa29e6
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parents:
307
diff
changeset
|
1284 |
501 | 1285 static ngx_int_t |
1286 ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name) | |
339
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parents:
338
diff
changeset
|
1287 { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1288 ngx_uint_t i; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1289 ngx_http_charset_t *c; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1290 |
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1291 c = charsets->elts; |
8c5b69141dfd
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parents:
338
diff
changeset
|
1292 for (i = 0; i < charsets->nelts; i++) { |
8c5b69141dfd
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parents:
338
diff
changeset
|
1293 if (name->len != c[i].name.len) { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1294 continue; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1295 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1296 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1297 if (ngx_strcasecmp(name->data, c[i].name.data) == 0) { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1298 break; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1299 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1300 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1301 |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1302 if (i < charsets->nelts) { |
8c5b69141dfd
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parents:
338
diff
changeset
|
1303 return i; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1304 } |
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parents:
338
diff
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|
1305 |
501 | 1306 c = ngx_array_push(charsets); |
1307 if (c == NULL) { | |
339
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parents:
338
diff
changeset
|
1308 return NGX_ERROR; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1309 } |
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parents:
338
diff
changeset
|
1310 |
455 | 1311 c->tables = NULL; |
339
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nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
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|
1312 c->name = *name; |
657 | 1313 c->length = 0; |
339
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parents:
338
diff
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|
1314 |
523 | 1315 if (ngx_strcasecmp(name->data, "utf-8") == 0) { |
1316 c->utf8 = 1; | |
1317 } | |
1318 | |
339
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parents:
338
diff
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|
1319 return i; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1320 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
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parents:
338
diff
changeset
|
1321 |
8c5b69141dfd
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parents:
338
diff
changeset
|
1322 |
501 | 1323 static ngx_int_t |
1324 ngx_http_charset_filter_init(ngx_cycle_t *cycle) | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
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parents:
diff
changeset
|
1325 { |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
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parents:
139
diff
changeset
|
1326 ngx_http_next_header_filter = ngx_http_top_header_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1327 ngx_http_top_header_filter = ngx_http_charset_header_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1328 |
155
46eb23d9471d
nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents:
139
diff
changeset
|
1329 ngx_http_next_body_filter = ngx_http_top_body_filter; |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1330 ngx_http_top_body_filter = ngx_http_charset_body_filter; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1331 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1332 return NGX_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1333 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1334 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1335 |
501 | 1336 static void * |
1337 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
|
1338 { |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1339 ngx_http_charset_main_conf_t *mcf; |
0376cffa29e6
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parents:
307
diff
changeset
|
1340 |
501 | 1341 mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_main_conf_t)); |
1342 if (mcf == NULL) { | |
339
8c5b69141dfd
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Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1343 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
|
1344 } |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1345 |
501 | 1346 if (ngx_array_init(&mcf->charsets, cf->pool, 2, sizeof(ngx_http_charset_t)) |
529 | 1347 == NGX_ERROR) |
501 | 1348 { |
1349 return NGX_CONF_ERROR; | |
1350 } | |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1351 |
529 | 1352 if (ngx_array_init(&mcf->tables, cf->pool, 1, |
501 | 1353 sizeof(ngx_http_charset_tables_t)) == NGX_ERROR) |
1354 { | |
1355 return NGX_CONF_ERROR; | |
1356 } | |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1357 |
529 | 1358 if (ngx_array_init(&mcf->recodes, cf->pool, 2, |
1359 sizeof(ngx_http_charset_recode_t)) == NGX_ERROR) | |
1360 { | |
1361 return NGX_CONF_ERROR; | |
1362 } | |
1363 | |
338
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1364 return mcf; |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1365 } |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1366 |
0376cffa29e6
nginx-0.0.3-2004-05-20-21:33:52 import
Igor Sysoev <igor@sysoev.ru>
parents:
307
diff
changeset
|
1367 |
501 | 1368 static void * |
1369 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
|
1370 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1371 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
|
1372 |
501 | 1373 lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_loc_conf_t)); |
1374 if (lcf == NULL) { | |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1375 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
|
1376 } |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1377 |
529 | 1378 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
|
1379 lcf->source_charset = NGX_CONF_UNSET; |
635 | 1380 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
|
1381 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1382 return lcf; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1383 } |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1384 |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1385 |
501 | 1386 static char * |
1387 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
|
1388 { |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1389 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
|
1390 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
|
1391 |
529 | 1392 ngx_uint_t i; |
1393 ngx_http_charset_recode_t *recode; | |
1394 ngx_http_charset_main_conf_t *mcf; | |
477 | 1395 |
635 | 1396 ngx_conf_merge_value(conf->override_charset, prev->override_charset, 0); |
529 | 1397 ngx_conf_merge_value(conf->charset, prev->charset, NGX_HTTP_NO_CHARSET); |
477 | 1398 |
339
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1399 if (conf->source_charset == NGX_CONF_UNSET) { |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1400 conf->source_charset = prev->source_charset; |
8c5b69141dfd
nginx-0.0.3-2004-05-21-20:12:13 import
Igor Sysoev <igor@sysoev.ru>
parents:
338
diff
changeset
|
1401 } |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1402 |
529 | 1403 if (conf->charset == NGX_HTTP_NO_CHARSET |
1404 || conf->source_charset == NGX_CONF_UNSET | |
1405 || conf->charset == conf->source_charset) | |
477 | 1406 { |
529 | 1407 return NGX_CONF_OK; |
477 | 1408 } |
1409 | |
529 | 1410 mcf = ngx_http_conf_get_module_main_conf(cf, |
1411 ngx_http_charset_filter_module); | |
1412 recode = mcf->recodes.elts; | |
1413 for (i = 0; i < mcf->recodes.nelts; i++) { | |
1414 if (conf->source_charset == recode[i].src | |
1415 && conf->charset == recode[i].dst) | |
1416 { | |
1417 return NGX_CONF_OK; | |
1418 } | |
477 | 1419 } |
1420 | |
529 | 1421 recode = ngx_array_push(&mcf->recodes); |
1422 if (recode == NULL) { | |
477 | 1423 return NGX_CONF_ERROR; |
1424 } | |
340
0bf903191ceb
nginx-0.0.3-2004-05-25-19:28:46 import
Igor Sysoev <igor@sysoev.ru>
parents:
339
diff
changeset
|
1425 |
529 | 1426 recode->src = conf->source_charset; |
1427 recode->dst = conf->charset; | |
1428 | |
99
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1429 return NGX_CONF_OK; |
a059e1aa65d4
nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
1430 } |
529 | 1431 |
1432 | |
1433 static ngx_int_t | |
1434 ngx_http_charset_postconfiguration(ngx_conf_t *cf) | |
1435 { | |
635 | 1436 u_char **src, **dst; |
529 | 1437 ngx_int_t c; |
1438 ngx_uint_t i, t; | |
1439 ngx_http_charset_t *charset; | |
1440 ngx_http_charset_recode_t *recode; | |
1441 ngx_http_charset_tables_t *tables; | |
1442 ngx_http_charset_main_conf_t *mcf; | |
1443 | |
1444 mcf = ngx_http_conf_get_module_main_conf(cf, | |
1445 ngx_http_charset_filter_module); | |
1446 | |
1447 recode = mcf->recodes.elts; | |
1448 tables = mcf->tables.elts; | |
1449 charset = mcf->charsets.elts; | |
1450 | |
1451 for (i = 0; i < mcf->recodes.nelts; i++) { | |
1452 | |
1453 c = recode[i].src; | |
1454 | |
1455 for (t = 0; t < mcf->tables.nelts; t++) { | |
1456 | |
1457 if (c == tables[t].src && recode[i].dst == tables[t].dst) { | |
1458 goto next; | |
1459 } | |
1460 | |
1461 if (c == tables[t].dst && recode[i].dst == tables[t].src) { | |
1462 goto next; | |
1463 } | |
1464 } | |
1465 | |
1466 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
1467 " no \"charset_map\" between the charsets " | |
1468 "\"%V\" and \"%V\"", | |
1469 &charset[c].name, &charset[recode[i].dst].name); | |
1470 return NGX_ERROR; | |
1471 | |
1472 next: | |
1473 continue; | |
1474 } | |
1475 | |
635 | 1476 |
1477 for (t = 0; t < mcf->tables.nelts; t++) { | |
1478 | |
1479 src = charset[tables[t].src].tables; | |
1480 | |
1481 if (src == NULL) { | |
1482 src = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
1483 if (src == NULL) { | |
1484 return NGX_ERROR; | |
1485 } | |
1486 | |
1487 charset[tables[t].src].tables = src; | |
1488 } | |
1489 | |
1490 dst = charset[tables[t].dst].tables; | |
1491 | |
1492 if (dst == NULL) { | |
1493 dst = ngx_pcalloc(cf->pool, sizeof(u_char *) * mcf->charsets.nelts); | |
1494 if (dst == NULL) { | |
1495 return NGX_ERROR; | |
1496 } | |
1497 | |
1498 charset[tables[t].dst].tables = dst; | |
1499 } | |
1500 | |
1501 src[tables[t].dst] = tables[t].src2dst; | |
1502 dst[tables[t].src] = tables[t].dst2src; | |
1503 } | |
1504 | |
529 | 1505 return NGX_OK; |
1506 } |