|
50
|
1
|
|
|
2 /*
|
|
|
3 * Copyright (C) Igor Sysoev
|
|
|
4 */
|
|
|
5
|
|
|
6
|
|
|
7 #include <ngx_config.h>
|
|
|
8 #include <ngx_core.h>
|
|
|
9 #include <ngx_http.h>
|
|
|
10
|
|
|
11
|
|
|
12 typedef struct {
|
|
|
13 char **tables;
|
|
|
14 ngx_str_t name;
|
|
72
|
15
|
|
|
16 unsigned server:1;
|
|
|
17 unsigned utf8:1;
|
|
50
|
18 } ngx_http_charset_t;
|
|
|
19
|
|
|
20
|
|
|
21 typedef struct {
|
|
72
|
22 ngx_int_t src;
|
|
|
23 ngx_int_t dst;
|
|
|
24 char *src2dst;
|
|
|
25 char *dst2src;
|
|
50
|
26 } ngx_http_charset_tables_t;
|
|
|
27
|
|
|
28
|
|
|
29 typedef struct {
|
|
|
30 ngx_array_t charsets; /* ngx_http_charset_t */
|
|
|
31 ngx_array_t tables; /* ngx_http_charset_tables_t */
|
|
|
32 } ngx_http_charset_main_conf_t;
|
|
|
33
|
|
|
34
|
|
|
35 typedef struct {
|
|
72
|
36 ngx_flag_t enable;
|
|
|
37 ngx_flag_t autodetect;
|
|
50
|
38
|
|
72
|
39 ngx_int_t default_charset;
|
|
|
40 ngx_int_t source_charset;
|
|
50
|
41 } ngx_http_charset_loc_conf_t;
|
|
|
42
|
|
|
43
|
|
|
44 typedef struct {
|
|
72
|
45 ngx_int_t server;
|
|
|
46 ngx_int_t client;
|
|
50
|
47 } ngx_http_charset_ctx_t;
|
|
|
48
|
|
|
49
|
|
|
50 static ngx_uint_t ngx_charset_recode(ngx_buf_t *b, char *table);
|
|
|
51
|
|
|
52 static char *ngx_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
53 void *conf);
|
|
|
54 static char *ngx_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf);
|
|
|
55
|
|
|
56 static char *ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd,
|
|
|
57 void *conf);
|
|
|
58 static ngx_int_t ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name);
|
|
|
59
|
|
|
60 static ngx_int_t ngx_http_charset_filter_init(ngx_cycle_t *cycle);
|
|
|
61
|
|
|
62 static void *ngx_http_charset_create_main_conf(ngx_conf_t *cf);
|
|
|
63 static char *ngx_http_charset_init_main_conf(ngx_conf_t *cf, void *conf);
|
|
|
64 static void *ngx_http_charset_create_loc_conf(ngx_conf_t *cf);
|
|
|
65 static char *ngx_http_charset_merge_loc_conf(ngx_conf_t *cf,
|
|
|
66 void *parent, void *child);
|
|
|
67
|
|
|
68
|
|
|
69 static ngx_command_t ngx_http_charset_filter_commands[] = {
|
|
|
70
|
|
|
71 { ngx_string("charset_map"),
|
|
|
72 NGX_HTTP_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_TAKE2,
|
|
|
73 ngx_charset_map_block,
|
|
|
74 NGX_HTTP_MAIN_CONF_OFFSET,
|
|
|
75 0,
|
|
|
76 NULL },
|
|
|
77
|
|
|
78 { ngx_string("default_charset"),
|
|
|
79 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
80 ngx_http_set_charset_slot,
|
|
|
81 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
82 offsetof(ngx_http_charset_loc_conf_t, default_charset),
|
|
|
83 NULL },
|
|
|
84
|
|
|
85 { ngx_string("source_charset"),
|
|
|
86 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1,
|
|
|
87 ngx_http_set_charset_slot,
|
|
|
88 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
89 offsetof(ngx_http_charset_loc_conf_t, source_charset),
|
|
|
90 NULL },
|
|
|
91
|
|
|
92 { ngx_string("charset"),
|
|
|
93 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
94 ngx_conf_set_flag_slot,
|
|
|
95 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
96 offsetof(ngx_http_charset_loc_conf_t, enable),
|
|
|
97 NULL },
|
|
|
98
|
|
|
99 { ngx_string("autodetect_charset"),
|
|
|
100 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
101 ngx_conf_set_flag_slot,
|
|
|
102 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
103 offsetof(ngx_http_charset_loc_conf_t, autodetect),
|
|
|
104 NULL },
|
|
|
105
|
|
|
106 ngx_null_command
|
|
|
107 };
|
|
|
108
|
|
|
109
|
|
|
110 static ngx_http_module_t ngx_http_charset_filter_module_ctx = {
|
|
58
|
111 NULL, /* preconfiguration */
|
|
|
112 NULL, /* postconfiguration */
|
|
50
|
113
|
|
|
114 ngx_http_charset_create_main_conf, /* create main configuration */
|
|
|
115 ngx_http_charset_init_main_conf, /* init main configuration */
|
|
|
116
|
|
|
117 NULL, /* create server configuration */
|
|
|
118 NULL, /* merge server configuration */
|
|
|
119
|
|
|
120 ngx_http_charset_create_loc_conf, /* create location configuration */
|
|
|
121 ngx_http_charset_merge_loc_conf /* merge location configuration */
|
|
|
122 };
|
|
|
123
|
|
|
124
|
|
|
125 ngx_module_t ngx_http_charset_filter_module = {
|
|
58
|
126 NGX_MODULE_V1,
|
|
50
|
127 &ngx_http_charset_filter_module_ctx, /* module context */
|
|
|
128 ngx_http_charset_filter_commands, /* module directives */
|
|
|
129 NGX_HTTP_MODULE, /* module type */
|
|
|
130 ngx_http_charset_filter_init, /* init module */
|
|
|
131 NULL /* init process */
|
|
|
132 };
|
|
|
133
|
|
|
134
|
|
|
135 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
|
|
|
136 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
|
|
|
137
|
|
|
138
|
|
|
139 static ngx_int_t
|
|
|
140 ngx_http_charset_header_filter(ngx_http_request_t *r)
|
|
|
141 {
|
|
|
142 ngx_http_charset_t *charsets;
|
|
|
143 ngx_http_charset_ctx_t *ctx;
|
|
|
144 ngx_http_charset_loc_conf_t *lcf;
|
|
|
145 ngx_http_charset_main_conf_t *mcf;
|
|
|
146
|
|
|
147 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module);
|
|
|
148 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module);
|
|
|
149
|
|
|
150 if (lcf->enable == 0) {
|
|
|
151 return ngx_http_next_header_filter(r);
|
|
|
152 }
|
|
|
153
|
|
58
|
154 if (r->headers_out.content_type.len == 0) {
|
|
50
|
155 return ngx_http_next_header_filter(r);
|
|
|
156 }
|
|
|
157
|
|
58
|
158 if (ngx_strncasecmp(r->headers_out.content_type.data, "text/", 5) != 0
|
|
|
159 && ngx_strncasecmp(r->headers_out.content_type.data,
|
|
|
160 "application/x-javascript", 24) != 0)
|
|
50
|
161 {
|
|
|
162 return ngx_http_next_header_filter(r);
|
|
|
163 }
|
|
|
164
|
|
58
|
165 if (ngx_strstr(r->headers_out.content_type.data, "charset") != NULL)
|
|
50
|
166 {
|
|
|
167 return ngx_http_next_header_filter(r);
|
|
|
168 }
|
|
|
169
|
|
|
170 if (r->headers_out.status == NGX_HTTP_MOVED_PERMANENTLY
|
|
|
171 || r->headers_out.status == NGX_HTTP_MOVED_TEMPORARILY)
|
|
|
172 {
|
|
|
173 /*
|
|
|
174 * do not set charset for the redirect because NN 4.x uses this
|
|
|
175 * charset instead of the next page charset
|
|
|
176 */
|
|
|
177
|
|
|
178 r->headers_out.charset.len = 0;
|
|
|
179 return ngx_http_next_header_filter(r);
|
|
|
180 }
|
|
|
181
|
|
|
182 if (r->headers_out.charset.len) {
|
|
|
183 return ngx_http_next_header_filter(r);
|
|
|
184 }
|
|
|
185
|
|
|
186 charsets = mcf->charsets.elts;
|
|
|
187 r->headers_out.charset = charsets[lcf->default_charset].name;
|
|
72
|
188 r->utf8 = charsets[lcf->default_charset].utf8;
|
|
50
|
189
|
|
|
190 if (lcf->default_charset == lcf->source_charset) {
|
|
|
191 return ngx_http_next_header_filter(r);
|
|
|
192 }
|
|
|
193
|
|
|
194
|
|
|
195 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_charset_ctx_t));
|
|
|
196 if (ctx == NULL) {
|
|
|
197 return NGX_ERROR;
|
|
|
198 }
|
|
|
199
|
|
|
200 ngx_http_set_ctx(r, ctx, ngx_http_charset_filter_module);
|
|
|
201
|
|
|
202
|
|
|
203 r->filter_need_in_memory = 1;
|
|
|
204
|
|
|
205 return ngx_http_next_header_filter(r);
|
|
|
206 }
|
|
|
207
|
|
|
208
|
|
|
209 static ngx_int_t
|
|
|
210 ngx_http_charset_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
211 {
|
|
|
212 char *table;
|
|
|
213 ngx_chain_t *cl;
|
|
|
214 ngx_http_charset_t *charsets;
|
|
|
215 ngx_http_charset_ctx_t *ctx;
|
|
|
216 ngx_http_charset_loc_conf_t *lcf;
|
|
|
217 ngx_http_charset_main_conf_t *mcf;
|
|
|
218
|
|
|
219 ctx = ngx_http_get_module_ctx(r, ngx_http_charset_filter_module);
|
|
|
220
|
|
|
221 if (ctx == NULL) {
|
|
|
222 return ngx_http_next_body_filter(r, in);
|
|
|
223 }
|
|
|
224
|
|
|
225 mcf = ngx_http_get_module_main_conf(r, ngx_http_charset_filter_module);
|
|
|
226 lcf = ngx_http_get_module_loc_conf(r, ngx_http_charset_filter_module);
|
|
|
227
|
|
|
228 charsets = mcf->charsets.elts;
|
|
|
229 table = charsets[lcf->source_charset].tables[lcf->default_charset];
|
|
|
230
|
|
|
231 for (cl = in; cl; cl = cl->next) {
|
|
|
232 ngx_charset_recode(cl->buf, table);
|
|
|
233 }
|
|
|
234
|
|
|
235 return ngx_http_next_body_filter(r, in);
|
|
|
236 }
|
|
|
237
|
|
|
238
|
|
|
239 static ngx_uint_t
|
|
|
240 ngx_charset_recode(ngx_buf_t *b, char *table)
|
|
|
241 {
|
|
|
242 u_char *p;
|
|
|
243 ngx_uint_t change;
|
|
|
244
|
|
|
245 change = 0;
|
|
|
246
|
|
|
247 for (p = b->pos; p < b->last; p++) {
|
|
|
248 if (*p != table[*p]) {
|
|
|
249 change = 1;
|
|
|
250 break;
|
|
|
251 }
|
|
|
252 }
|
|
|
253
|
|
|
254 if (change) {
|
|
|
255
|
|
|
256 while (p < b->last) {
|
|
|
257 *p = table[*p];
|
|
|
258 p++;
|
|
|
259 }
|
|
|
260
|
|
|
261 b->in_file = 0;
|
|
|
262 }
|
|
|
263
|
|
|
264 return change;
|
|
|
265 }
|
|
|
266
|
|
|
267
|
|
|
268 static char *
|
|
|
269 ngx_charset_map_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
270 {
|
|
|
271 ngx_http_charset_main_conf_t *mcf = conf;
|
|
|
272
|
|
|
273 char *rv;
|
|
|
274 ngx_int_t src, dst;
|
|
|
275 ngx_uint_t i;
|
|
|
276 ngx_str_t *value;
|
|
|
277 ngx_conf_t pvcf;
|
|
|
278 ngx_http_charset_tables_t *table;
|
|
|
279
|
|
|
280 value = cf->args->elts;
|
|
|
281
|
|
|
282 src = ngx_http_add_charset(&mcf->charsets, &value[1]);
|
|
|
283 if (src == NGX_ERROR) {
|
|
|
284 return NGX_CONF_ERROR;
|
|
|
285 }
|
|
|
286
|
|
|
287 dst = ngx_http_add_charset(&mcf->charsets, &value[2]);
|
|
|
288 if (dst == NGX_ERROR) {
|
|
|
289 return NGX_CONF_ERROR;
|
|
|
290 }
|
|
|
291
|
|
|
292 if (src == dst) {
|
|
|
293 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
294 "\"charset_map\" between the same charsets "
|
|
|
295 "\"%V\" and \"%V\"", &value[1], &value[2]);
|
|
|
296 return NGX_CONF_ERROR;
|
|
|
297 }
|
|
|
298
|
|
|
299 table = mcf->tables.elts;
|
|
|
300 for (i = 0; i < mcf->tables.nelts; i++) {
|
|
|
301 if ((src == table->src && dst == table->dst)
|
|
|
302 || (src == table->dst && dst == table->src))
|
|
|
303 {
|
|
|
304 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
305 "duplicate \"charset_map\" between "
|
|
|
306 "\"%V\" and \"%V\"", &value[1], &value[2]);
|
|
|
307 return NGX_CONF_ERROR;
|
|
|
308 }
|
|
|
309 }
|
|
|
310
|
|
|
311 table = ngx_array_push(&mcf->tables);
|
|
|
312 if (table == NULL) {
|
|
|
313 return NGX_CONF_ERROR;
|
|
|
314 }
|
|
|
315
|
|
|
316 table->src = src;
|
|
|
317 table->dst = dst;
|
|
|
318
|
|
|
319 table->src2dst = ngx_palloc(cf->pool, 256);
|
|
|
320 if (table->src2dst == NULL) {
|
|
|
321 return NGX_CONF_ERROR;
|
|
|
322 }
|
|
|
323
|
|
|
324 table->dst2src = ngx_palloc(cf->pool, 256);
|
|
|
325 if (table->dst2src == NULL) {
|
|
|
326 return NGX_CONF_ERROR;
|
|
|
327 }
|
|
|
328
|
|
|
329 for (i = 0; i < 128; i++) {
|
|
|
330 table->src2dst[i] = (char) i;
|
|
|
331 table->dst2src[i] = (char) i;
|
|
|
332 }
|
|
|
333
|
|
|
334 for (/* void */; i < 256; i++) {
|
|
|
335 table->src2dst[i] = '?';
|
|
|
336 table->dst2src[i] = '?';
|
|
|
337 }
|
|
|
338
|
|
|
339 pvcf = *cf;
|
|
|
340 cf->ctx = table;
|
|
|
341 cf->handler = ngx_charset_map;
|
|
|
342 cf->handler_conf = conf;
|
|
|
343
|
|
|
344 rv = ngx_conf_parse(cf, NULL);
|
|
|
345
|
|
|
346 *cf = pvcf;
|
|
|
347
|
|
|
348 return rv;
|
|
|
349 }
|
|
|
350
|
|
|
351
|
|
|
352 static char *
|
|
|
353 ngx_charset_map(ngx_conf_t *cf, ngx_command_t *dummy, void *conf)
|
|
|
354 {
|
|
|
355 ngx_int_t src, dst;
|
|
|
356 ngx_str_t *value;
|
|
|
357 ngx_http_charset_tables_t *table;
|
|
|
358
|
|
|
359 if (cf->args->nelts != 2) {
|
|
|
360 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameters number");
|
|
|
361 return NGX_CONF_ERROR;
|
|
|
362 }
|
|
|
363
|
|
|
364 value = cf->args->elts;
|
|
|
365
|
|
|
366 src = ngx_hextoi(value[0].data, value[0].len);
|
|
|
367 if (src == NGX_ERROR || src > 255) {
|
|
|
368 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
369 "invalid value \"%V\"", &value[0]);
|
|
|
370 return NGX_CONF_ERROR;
|
|
|
371 }
|
|
|
372
|
|
|
373 dst = ngx_hextoi(value[1].data, value[1].len);
|
|
|
374 if (dst == NGX_ERROR || dst > 255) {
|
|
|
375 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
376 "invalid value \"%V\"", &value[1]);
|
|
|
377 return NGX_CONF_ERROR;
|
|
|
378 }
|
|
|
379
|
|
|
380 table = cf->ctx;
|
|
|
381
|
|
|
382 table->src2dst[src] = (char) dst;
|
|
|
383 table->dst2src[dst] = (char) src;
|
|
|
384
|
|
|
385 return NGX_CONF_OK;
|
|
|
386 }
|
|
|
387
|
|
|
388
|
|
|
389 static char *
|
|
|
390 ngx_http_set_charset_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
391 {
|
|
|
392 char *p = conf;
|
|
|
393
|
|
|
394 ngx_int_t *cp;
|
|
|
395 ngx_str_t *value;
|
|
|
396 ngx_http_charset_t *charset;
|
|
|
397 ngx_http_charset_main_conf_t *mcf;
|
|
|
398
|
|
|
399 cp = (ngx_int_t *) (p + cmd->offset);
|
|
|
400
|
|
|
401 if (*cp != NGX_CONF_UNSET) {
|
|
|
402 return "is duplicate";
|
|
|
403 }
|
|
|
404
|
|
|
405 mcf = ngx_http_conf_get_module_main_conf(cf,
|
|
|
406 ngx_http_charset_filter_module);
|
|
|
407
|
|
|
408 value = cf->args->elts;
|
|
|
409
|
|
|
410 *cp = ngx_http_add_charset(&mcf->charsets, &value[1]);
|
|
|
411 if (*cp == NGX_ERROR) {
|
|
|
412 return NGX_CONF_ERROR;
|
|
|
413 }
|
|
|
414
|
|
|
415 if (cmd->offset == offsetof(ngx_http_charset_loc_conf_t, source_charset)) {
|
|
|
416 charset = mcf->charsets.elts;
|
|
|
417 charset[*cp].server = 1;
|
|
|
418 }
|
|
|
419
|
|
|
420 return NGX_CONF_OK;
|
|
|
421 }
|
|
|
422
|
|
|
423
|
|
|
424 static ngx_int_t
|
|
|
425 ngx_http_add_charset(ngx_array_t *charsets, ngx_str_t *name)
|
|
|
426 {
|
|
|
427 ngx_uint_t i;
|
|
|
428 ngx_http_charset_t *c;
|
|
|
429
|
|
|
430 c = charsets->elts;
|
|
|
431 for (i = 0; i < charsets->nelts; i++) {
|
|
|
432 if (name->len != c[i].name.len) {
|
|
|
433 continue;
|
|
|
434 }
|
|
|
435
|
|
|
436 if (ngx_strcasecmp(name->data, c[i].name.data) == 0) {
|
|
|
437 break;
|
|
|
438 }
|
|
|
439 }
|
|
|
440
|
|
|
441 if (i < charsets->nelts) {
|
|
|
442 return i;
|
|
|
443 }
|
|
|
444
|
|
|
445 c = ngx_array_push(charsets);
|
|
|
446 if (c == NULL) {
|
|
|
447 return NGX_ERROR;
|
|
|
448 }
|
|
|
449
|
|
|
450 c->tables = NULL;
|
|
|
451 c->name = *name;
|
|
|
452 c->server = 0;
|
|
|
453
|
|
72
|
454 if (ngx_strcasecmp(name->data, "utf-8") == 0) {
|
|
|
455 c->utf8 = 1;
|
|
|
456 }
|
|
|
457
|
|
50
|
458 return i;
|
|
|
459 }
|
|
|
460
|
|
|
461
|
|
|
462 static ngx_int_t
|
|
|
463 ngx_http_charset_filter_init(ngx_cycle_t *cycle)
|
|
|
464 {
|
|
|
465 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
466 ngx_http_top_header_filter = ngx_http_charset_header_filter;
|
|
|
467
|
|
|
468 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
469 ngx_http_top_body_filter = ngx_http_charset_body_filter;
|
|
|
470
|
|
|
471 return NGX_OK;
|
|
|
472 }
|
|
|
473
|
|
|
474
|
|
|
475 static void *
|
|
|
476 ngx_http_charset_create_main_conf(ngx_conf_t *cf)
|
|
|
477 {
|
|
|
478 ngx_http_charset_main_conf_t *mcf;
|
|
|
479
|
|
|
480 mcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_main_conf_t));
|
|
|
481 if (mcf == NULL) {
|
|
|
482 return NGX_CONF_ERROR;
|
|
|
483 }
|
|
|
484
|
|
|
485 if (ngx_array_init(&mcf->charsets, cf->pool, 2, sizeof(ngx_http_charset_t))
|
|
|
486 == NGX_ERROR)
|
|
|
487 {
|
|
|
488 return NGX_CONF_ERROR;
|
|
|
489 }
|
|
|
490
|
|
|
491 if (ngx_array_init(&mcf->tables, cf->pool, 4,
|
|
|
492 sizeof(ngx_http_charset_tables_t)) == NGX_ERROR)
|
|
|
493 {
|
|
|
494 return NGX_CONF_ERROR;
|
|
|
495 }
|
|
|
496
|
|
|
497 return mcf;
|
|
|
498 }
|
|
|
499
|
|
|
500
|
|
|
501 static char *
|
|
|
502 ngx_http_charset_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
503 {
|
|
|
504 ngx_http_charset_main_conf_t *mcf = conf;
|
|
|
505
|
|
|
506 ngx_uint_t i, n;
|
|
|
507 ngx_http_charset_t *charset;
|
|
|
508 ngx_http_charset_tables_t *tables;
|
|
|
509
|
|
|
510 tables = mcf->tables.elts;
|
|
|
511 charset = mcf->charsets.elts;
|
|
|
512
|
|
|
513 for (i = 0; i < mcf->charsets.nelts; i++) {
|
|
|
514 if (!charset[i].server) {
|
|
|
515 continue;
|
|
|
516 }
|
|
|
517
|
|
|
518 charset[i].tables = ngx_pcalloc(cf->pool,
|
|
|
519 sizeof(char *) * mcf->charsets.nelts);
|
|
|
520 if (charset[i].tables == NULL) {
|
|
|
521 return NGX_CONF_ERROR;
|
|
|
522 }
|
|
|
523
|
|
|
524 for (n = 0; n < mcf->tables.nelts; n++) {
|
|
|
525 if ((ngx_int_t) i == tables[n].src) {
|
|
|
526 charset[i].tables[tables[n].dst] = tables[n].src2dst;
|
|
|
527 continue;
|
|
|
528 }
|
|
|
529
|
|
|
530 if ((ngx_int_t) i == tables[n].dst) {
|
|
|
531 charset[i].tables[tables[n].src] = tables[n].dst2src;
|
|
|
532 }
|
|
|
533 }
|
|
|
534 }
|
|
|
535
|
|
|
536 for (i = 0; i < mcf->charsets.nelts; i++) {
|
|
|
537 if (!charset[i].server) {
|
|
|
538 continue;
|
|
|
539 }
|
|
|
540
|
|
|
541 for (n = 0; n < mcf->charsets.nelts; n++) {
|
|
|
542 if (i == n) {
|
|
|
543 continue;
|
|
|
544 }
|
|
|
545
|
|
|
546 if (charset[i].tables[n]) {
|
|
|
547 continue;
|
|
|
548 }
|
|
|
549
|
|
|
550 ngx_log_error(NGX_LOG_EMERG, cf->log, 0,
|
|
|
551 " no \"charset_map\" between the charsets "
|
|
|
552 "\"%V\" and \"%V\"",
|
|
|
553 &charset[i].name, &charset[n].name);
|
|
|
554 return NGX_CONF_ERROR;
|
|
|
555 }
|
|
|
556 }
|
|
|
557
|
|
|
558 return NGX_CONF_OK;
|
|
|
559 }
|
|
|
560
|
|
|
561
|
|
|
562 static void *
|
|
|
563 ngx_http_charset_create_loc_conf(ngx_conf_t *cf)
|
|
|
564 {
|
|
|
565 ngx_http_charset_loc_conf_t *lcf;
|
|
|
566
|
|
|
567 lcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_charset_loc_conf_t));
|
|
|
568 if (lcf == NULL) {
|
|
|
569 return NGX_CONF_ERROR;
|
|
|
570 }
|
|
|
571
|
|
|
572 lcf->enable = NGX_CONF_UNSET;
|
|
|
573 lcf->autodetect = NGX_CONF_UNSET;
|
|
|
574 lcf->default_charset = NGX_CONF_UNSET;
|
|
|
575 lcf->source_charset = NGX_CONF_UNSET;
|
|
|
576
|
|
|
577 return lcf;
|
|
|
578 }
|
|
|
579
|
|
|
580
|
|
|
581 static char *
|
|
|
582 ngx_http_charset_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
583 {
|
|
|
584 ngx_http_charset_loc_conf_t *prev = parent;
|
|
|
585 ngx_http_charset_loc_conf_t *conf = child;
|
|
|
586
|
|
|
587 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
588 ngx_conf_merge_value(conf->autodetect, prev->autodetect, 0);
|
|
|
589
|
|
|
590
|
|
|
591 if (conf->default_charset == NGX_CONF_UNSET) {
|
|
|
592 conf->default_charset = prev->default_charset;
|
|
|
593 }
|
|
|
594
|
|
|
595 if (conf->source_charset == NGX_CONF_UNSET) {
|
|
|
596 conf->source_charset = prev->source_charset;
|
|
|
597 }
|
|
|
598
|
|
|
599 if (conf->default_charset == NGX_CONF_UNSET
|
|
|
600 && conf->source_charset != NGX_CONF_UNSET)
|
|
|
601 {
|
|
|
602 conf->default_charset = conf->source_charset;
|
|
|
603 }
|
|
|
604
|
|
|
605 if (conf->source_charset == NGX_CONF_UNSET
|
|
|
606 && conf->default_charset != NGX_CONF_UNSET)
|
|
|
607 {
|
|
|
608 conf->source_charset = conf->default_charset;
|
|
|
609 }
|
|
|
610
|
|
|
611 if (conf->enable
|
|
|
612 && (conf->default_charset == NGX_CONF_UNSET
|
|
|
613 || conf->source_charset == NGX_CONF_UNSET))
|
|
|
614 {
|
|
|
615 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
616 "the \"source_charset\" or \"default_charset\" "
|
|
|
617 "must be specified when \"charset\" is on");
|
|
|
618 return NGX_CONF_ERROR;
|
|
|
619 }
|
|
|
620
|
|
|
621 return NGX_CONF_OK;
|
|
|
622 }
|
