|
46
|
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
|
|
102
|
11 #define NGX_HTTP_SSI_ERROR 1
|
|
|
12
|
|
|
13 #define NGX_HTTP_SSI_DATE_LEN 2048
|
|
|
14
|
|
|
15 #define NGX_HTTP_SSI_ADD_PREFIX 1
|
|
58
|
16
|
|
46
|
17
|
|
|
18 typedef struct {
|
|
146
|
19 ngx_flag_t enable;
|
|
|
20 ngx_flag_t silent_errors;
|
|
|
21 ngx_flag_t ignore_recycled_buffers;
|
|
|
22
|
|
|
23 ngx_array_t *types; /* array of ngx_str_t */
|
|
|
24
|
|
|
25 size_t min_file_chunk;
|
|
|
26 size_t value_len;
|
|
|
27 } ngx_http_ssi_loc_conf_t;
|
|
102
|
28
|
|
|
29
|
|
|
30 typedef struct {
|
|
146
|
31 ngx_str_t name;
|
|
|
32 ngx_str_t value;
|
|
|
33 } ngx_http_ssi_var_t;
|
|
46
|
34
|
|
|
35
|
|
|
36 typedef enum {
|
|
|
37 ssi_start_state = 0,
|
|
|
38 ssi_tag_state,
|
|
|
39 ssi_comment0_state,
|
|
|
40 ssi_comment1_state,
|
|
|
41 ssi_sharp_state,
|
|
|
42 ssi_precommand_state,
|
|
|
43 ssi_command_state,
|
|
|
44 ssi_preparam_state,
|
|
|
45 ssi_param_state,
|
|
|
46 ssi_preequal_state,
|
|
|
47 ssi_prevalue_state,
|
|
|
48 ssi_double_quoted_value_state,
|
|
|
49 ssi_quoted_value_state,
|
|
|
50 ssi_quoted_symbol_state,
|
|
|
51 ssi_postparam_state,
|
|
|
52 ssi_comment_end0_state,
|
|
|
53 ssi_comment_end1_state,
|
|
|
54 ssi_error_state,
|
|
|
55 ssi_error_end0_state,
|
|
|
56 ssi_error_end1_state
|
|
|
57 } ngx_http_ssi_state_e;
|
|
|
58
|
|
|
59
|
|
58
|
60 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
|
|
|
61 ngx_http_ssi_ctx_t *ctx);
|
|
46
|
62 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
|
|
|
63 ngx_http_ssi_ctx_t *ctx);
|
|
102
|
64 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
|
|
|
65 ngx_str_t *name);
|
|
|
66 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
|
|
|
67 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
|
|
|
68
|
|
|
69 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
|
|
|
70 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
46
|
71 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
|
|
|
72 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
58
|
73 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
|
|
|
74 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
102
|
75 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
|
|
58
|
76 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
|
77 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
|
|
|
78 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
|
79 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
|
|
|
80 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
|
81 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
|
|
|
82 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
46
|
83
|
|
122
|
84 static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
|
85 ngx_http_variable_value_t *v, uintptr_t gmt);
|
|
58
|
86
|
|
76
|
87 static char *ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
|
88
|
|
146
|
89 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
|
|
|
90 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
|
|
|
91 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
|
|
46
|
92 static void *ngx_http_ssi_create_conf(ngx_conf_t *cf);
|
|
|
93 static char *ngx_http_ssi_merge_conf(ngx_conf_t *cf,
|
|
|
94 void *parent, void *child);
|
|
|
95 static ngx_int_t ngx_http_ssi_filter_init(ngx_cycle_t *cycle);
|
|
|
96
|
|
|
97
|
|
|
98 static ngx_command_t ngx_http_ssi_filter_commands[] = {
|
|
|
99
|
|
|
100 { ngx_string("ssi"),
|
|
|
101 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
102 ngx_conf_set_flag_slot,
|
|
|
103 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
104 offsetof(ngx_http_ssi_loc_conf_t, enable),
|
|
46
|
105 NULL },
|
|
|
106
|
|
|
107 { ngx_string("ssi_silent_errors"),
|
|
|
108 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
109 ngx_conf_set_flag_slot,
|
|
|
110 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
111 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
|
|
46
|
112 NULL },
|
|
|
113
|
|
58
|
114 { ngx_string("ssi_ignore_recycled_buffers"),
|
|
|
115 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
116 ngx_conf_set_flag_slot,
|
|
|
117 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
118 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
|
|
58
|
119 NULL },
|
|
|
120
|
|
46
|
121 { ngx_string("ssi_min_file_chunk"),
|
|
|
122 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
123 ngx_conf_set_size_slot,
|
|
|
124 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
125 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
|
|
46
|
126 NULL },
|
|
|
127
|
|
138
|
128 { ngx_string("ssi_value_length"),
|
|
|
129 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
130 ngx_conf_set_size_slot,
|
|
|
131 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
132 offsetof(ngx_http_ssi_loc_conf_t, value_len),
|
|
138
|
133 NULL },
|
|
|
134
|
|
76
|
135 { ngx_string("ssi_types"),
|
|
|
136 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
137 ngx_http_ssi_types,
|
|
|
138 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
139 0,
|
|
|
140 NULL },
|
|
|
141
|
|
46
|
142 ngx_null_command
|
|
|
143 };
|
|
|
144
|
|
|
145
|
|
126
|
146
|
|
46
|
147 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
|
|
146
|
148 ngx_http_ssi_preconfiguration, /* preconfiguration */
|
|
58
|
149 NULL, /* postconfiguration */
|
|
46
|
150
|
|
146
|
151 ngx_http_ssi_create_main_conf, /* create main configuration */
|
|
|
152 ngx_http_ssi_init_main_conf, /* init main configuration */
|
|
46
|
153
|
|
|
154 NULL, /* create server configuration */
|
|
|
155 NULL, /* merge server configuration */
|
|
|
156
|
|
|
157 ngx_http_ssi_create_conf, /* create location configuration */
|
|
|
158 ngx_http_ssi_merge_conf /* merge location configuration */
|
|
126
|
159 };
|
|
46
|
160
|
|
|
161
|
|
|
162 ngx_module_t ngx_http_ssi_filter_module = {
|
|
58
|
163 NGX_MODULE_V1,
|
|
46
|
164 &ngx_http_ssi_filter_module_ctx, /* module context */
|
|
|
165 ngx_http_ssi_filter_commands, /* module directives */
|
|
|
166 NGX_HTTP_MODULE, /* module type */
|
|
90
|
167 NULL, /* init master */
|
|
46
|
168 ngx_http_ssi_filter_init, /* init module */
|
|
90
|
169 NULL, /* init process */
|
|
|
170 NULL, /* init thread */
|
|
|
171 NULL, /* exit thread */
|
|
|
172 NULL, /* exit process */
|
|
|
173 NULL, /* exit master */
|
|
|
174 NGX_MODULE_V1_PADDING
|
|
46
|
175 };
|
|
|
176
|
|
|
177
|
|
118
|
178 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
|
|
|
179 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
|
|
46
|
180
|
|
|
181
|
|
|
182 static u_char ngx_http_ssi_string[] = "<!--";
|
|
|
183
|
|
|
184 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
|
|
|
185
|
|
102
|
186 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
|
|
|
187 #define NGX_HTTP_SSI_INCLUDE_FILE 1
|
|
46
|
188
|
|
58
|
189 #define NGX_HTTP_SSI_ECHO_VAR 0
|
|
|
190 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
|
|
|
191
|
|
96
|
192 #define NGX_HTTP_SSI_CONFIG_ERRMSG 0
|
|
|
193 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 1
|
|
58
|
194
|
|
102
|
195 #define NGX_HTTP_SSI_SET_VAR 0
|
|
|
196 #define NGX_HTTP_SSI_SET_VALUE 1
|
|
58
|
197
|
|
|
198 #define NGX_HTTP_SSI_IF_EXPR 0
|
|
|
199
|
|
46
|
200
|
|
102
|
201 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
|
|
146
|
202 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 },
|
|
|
203 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 },
|
|
|
204 { ngx_null_string, 0, 0, 0 }
|
|
102
|
205 };
|
|
|
206
|
|
|
207
|
|
46
|
208 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
|
|
146
|
209 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 },
|
|
|
210 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 },
|
|
|
211 { ngx_null_string, 0, 0, 0 }
|
|
46
|
212 };
|
|
|
213
|
|
58
|
214
|
|
|
215 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
|
|
146
|
216 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
|
|
|
217 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
|
|
|
218 { ngx_null_string, 0, 0, 0 }
|
|
58
|
219 };
|
|
|
220
|
|
|
221
|
|
102
|
222 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
|
|
146
|
223 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
|
|
|
224 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
|
|
|
225 { ngx_null_string, 0, 0, 0 }
|
|
102
|
226 };
|
|
|
227
|
|
|
228
|
|
58
|
229 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
|
|
146
|
230 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
|
|
|
231 { ngx_null_string, 0, 0, 0 }
|
|
58
|
232 };
|
|
|
233
|
|
|
234
|
|
|
235 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
|
|
146
|
236 { ngx_null_string, 0, 0, 0 }
|
|
58
|
237 };
|
|
|
238
|
|
46
|
239
|
|
|
240 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
|
|
102
|
241 { ngx_string("include"), ngx_http_ssi_include,
|
|
|
242 ngx_http_ssi_include_params, 0, 1 },
|
|
58
|
243 { ngx_string("echo"), ngx_http_ssi_echo, ngx_http_ssi_echo_params, 0, 0 },
|
|
|
244 { ngx_string("config"), ngx_http_ssi_config,
|
|
|
245 ngx_http_ssi_config_params, 0, 0 },
|
|
102
|
246 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0 },
|
|
58
|
247
|
|
|
248 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0 },
|
|
|
249 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params, 1, 0 },
|
|
|
250 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params, 1, 0 },
|
|
|
251
|
|
|
252 { ngx_null_string, NULL, NULL, 0, 0 }
|
|
46
|
253 };
|
|
|
254
|
|
|
255
|
|
58
|
256 static ngx_http_variable_t ngx_http_ssi_vars[] = {
|
|
|
257
|
|
|
258 { ngx_string("date_local"), ngx_http_ssi_date_gmt_local_variable, 0,
|
|
82
|
259 NGX_HTTP_VAR_NOCACHABLE, 0 },
|
|
58
|
260
|
|
|
261 { ngx_string("date_gmt"), ngx_http_ssi_date_gmt_local_variable, 1,
|
|
82
|
262 NGX_HTTP_VAR_NOCACHABLE, 0 },
|
|
58
|
263
|
|
82
|
264 { ngx_null_string, NULL, 0, 0, 0 }
|
|
58
|
265 };
|
|
|
266
|
|
|
267
|
|
|
268
|
|
46
|
269 static ngx_int_t
|
|
|
270 ngx_http_ssi_header_filter(ngx_http_request_t *r)
|
|
|
271 {
|
|
146
|
272 ngx_uint_t i;
|
|
|
273 ngx_str_t *type;
|
|
|
274 ngx_http_ssi_ctx_t *ctx;
|
|
|
275 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
276
|
|
|
277 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
|
278
|
|
|
279 if (!slcf->enable
|
|
126
|
280 || r->headers_out.content_type.len == 0
|
|
|
281 || r->headers_out.content_length_n == 0)
|
|
46
|
282 {
|
|
|
283 return ngx_http_next_header_filter(r);
|
|
|
284 }
|
|
|
285
|
|
|
286
|
|
146
|
287 type = slcf->types->elts;
|
|
|
288 for (i = 0; i < slcf->types->nelts; i++) {
|
|
76
|
289 if (r->headers_out.content_type.len >= type[i].len
|
|
|
290 && ngx_strncasecmp(r->headers_out.content_type.data,
|
|
|
291 type[i].data, type[i].len) == 0)
|
|
|
292 {
|
|
|
293 goto found;
|
|
|
294 }
|
|
|
295 }
|
|
|
296
|
|
|
297 return ngx_http_next_header_filter(r);
|
|
|
298
|
|
|
299
|
|
|
300 found:
|
|
|
301
|
|
48
|
302 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
|
|
|
303 if (ctx == NULL) {
|
|
46
|
304 return NGX_ERROR;
|
|
|
305 }
|
|
|
306
|
|
|
307 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
|
|
|
308
|
|
|
309
|
|
146
|
310 ctx->value_len = slcf->value_len;
|
|
46
|
311 ctx->last_out = &ctx->out;
|
|
|
312
|
|
58
|
313 ctx->output = 1;
|
|
|
314
|
|
46
|
315 ctx->params.elts = ctx->params_array;
|
|
|
316 ctx->params.size = sizeof(ngx_table_elt_t);
|
|
|
317 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
|
|
|
318 ctx->params.pool = r->pool;
|
|
|
319
|
|
58
|
320 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
|
|
|
321 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
|
|
46
|
322
|
|
96
|
323 ctx->errmsg.len =
|
|
|
324 sizeof("[an error occurred while processing the directive]") - 1;
|
|
|
325 ctx->errmsg.data = (u_char *)
|
|
|
326 "[an error occurred while processing the directive]";
|
|
|
327
|
|
46
|
328 r->filter_need_in_memory = 1;
|
|
|
329
|
|
146
|
330 if (r == r->main) {
|
|
126
|
331 ngx_http_clear_content_length(r);
|
|
|
332 ngx_http_clear_last_modified(r);
|
|
58
|
333 }
|
|
|
334
|
|
46
|
335 return ngx_http_next_header_filter(r);
|
|
|
336 }
|
|
|
337
|
|
|
338
|
|
|
339 static ngx_int_t
|
|
|
340 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
341 {
|
|
146
|
342 ngx_int_t rc;
|
|
|
343 ngx_buf_t *b;
|
|
|
344 ngx_uint_t i, index;
|
|
|
345 ngx_chain_t *cl;
|
|
|
346 ngx_table_elt_t *param;
|
|
|
347 ngx_connection_t *c;
|
|
|
348 ngx_http_ssi_ctx_t *ctx;
|
|
|
349 ngx_http_ssi_param_t *prm;
|
|
|
350 ngx_http_ssi_command_t *cmd;
|
|
|
351 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
352 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
353 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
354
|
|
|
355 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
356
|
|
48
|
357 if (ctx == NULL || (in == NULL && ctx->in == NULL && ctx->busy == NULL)) {
|
|
46
|
358 return ngx_http_next_body_filter(r, in);
|
|
|
359 }
|
|
|
360
|
|
|
361 /* add the incoming chain to the chain ctx->in */
|
|
|
362
|
|
|
363 if (in) {
|
|
|
364 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
|
|
|
365 return NGX_ERROR;
|
|
|
366 }
|
|
|
367 }
|
|
|
368
|
|
146
|
369 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
370
|
|
58
|
371 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
372 "http ssi filter \"%V\"", &r->uri);
|
|
46
|
373
|
|
48
|
374 while (ctx->in || ctx->buf) {
|
|
46
|
375
|
|
48
|
376 if (ctx->buf == NULL ){
|
|
|
377 ctx->buf = ctx->in->buf;
|
|
|
378 ctx->in = ctx->in->next;
|
|
|
379 ctx->pos = ctx->buf->pos;
|
|
|
380 }
|
|
46
|
381
|
|
|
382 if (ctx->state == ssi_start_state) {
|
|
|
383 ctx->copy_start = ctx->pos;
|
|
|
384 ctx->copy_end = ctx->pos;
|
|
|
385 }
|
|
|
386
|
|
48
|
387 b = NULL;
|
|
|
388
|
|
46
|
389 while (ctx->pos < ctx->buf->last) {
|
|
|
390
|
|
|
391 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
392 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
393
|
|
|
394 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
395
|
|
|
396 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
397 "parse: %d, looked: %d %p-%p",
|
|
|
398 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
399
|
|
|
400 if (rc == NGX_ERROR) {
|
|
|
401 return rc;
|
|
|
402 }
|
|
|
403
|
|
|
404 if (ctx->copy_start != ctx->copy_end) {
|
|
|
405
|
|
58
|
406 if (ctx->output) {
|
|
|
407
|
|
|
408 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
409 "saved: %d", ctx->saved);
|
|
|
410
|
|
|
411 if (ctx->saved) {
|
|
|
412
|
|
|
413 if (ctx->free) {
|
|
|
414 cl = ctx->free;
|
|
|
415 ctx->free = ctx->free->next;
|
|
|
416 b = cl->buf;
|
|
|
417 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
418
|
|
58
|
419 } else {
|
|
|
420 b = ngx_calloc_buf(r->pool);
|
|
|
421 if (b == NULL) {
|
|
|
422 return NGX_ERROR;
|
|
|
423 }
|
|
|
424
|
|
|
425 cl = ngx_alloc_chain_link(r->pool);
|
|
|
426 if (cl == NULL) {
|
|
|
427 return NGX_ERROR;
|
|
|
428 }
|
|
|
429
|
|
|
430 cl->buf = b;
|
|
|
431 }
|
|
|
432
|
|
|
433 b->memory = 1;
|
|
|
434 b->pos = ngx_http_ssi_string;
|
|
|
435 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
436
|
|
|
437 *ctx->last_out = cl;
|
|
|
438 ctx->last_out = &cl->next;
|
|
|
439
|
|
|
440 ctx->saved = 0;
|
|
|
441 }
|
|
48
|
442
|
|
|
443 if (ctx->free) {
|
|
|
444 cl = ctx->free;
|
|
|
445 ctx->free = ctx->free->next;
|
|
|
446 b = cl->buf;
|
|
|
447
|
|
|
448 } else {
|
|
58
|
449 b = ngx_alloc_buf(r->pool);
|
|
48
|
450 if (b == NULL) {
|
|
|
451 return NGX_ERROR;
|
|
|
452 }
|
|
|
453
|
|
|
454 cl = ngx_alloc_chain_link(r->pool);
|
|
|
455 if (cl == NULL) {
|
|
|
456 return NGX_ERROR;
|
|
|
457 }
|
|
|
458
|
|
|
459 cl->buf = b;
|
|
46
|
460 }
|
|
|
461
|
|
58
|
462 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
463
|
|
62
|
464 b->pos = ctx->copy_start;
|
|
|
465 b->last = ctx->copy_end;
|
|
|
466 b->shadow = NULL;
|
|
58
|
467 b->last_buf = 0;
|
|
|
468 b->recycled = 0;
|
|
46
|
469
|
|
58
|
470 if (b->in_file) {
|
|
146
|
471 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
472 {
|
|
|
473 b->file_last = b->file_pos + (b->last - b->start);
|
|
|
474 b->file_pos += b->pos - b->start;
|
|
|
475
|
|
|
476 } else {
|
|
|
477 b->in_file = 0;
|
|
|
478 }
|
|
|
479 }
|
|
|
480
|
|
|
481 cl->next = NULL;
|
|
46
|
482 *ctx->last_out = cl;
|
|
|
483 ctx->last_out = &cl->next;
|
|
|
484
|
|
58
|
485 } else {
|
|
46
|
486 ctx->saved = 0;
|
|
|
487 }
|
|
|
488 }
|
|
|
489
|
|
|
490 if (ctx->state == ssi_start_state) {
|
|
|
491 ctx->copy_start = ctx->pos;
|
|
|
492 ctx->copy_end = ctx->pos;
|
|
|
493
|
|
|
494 } else {
|
|
|
495 ctx->copy_start = NULL;
|
|
|
496 ctx->copy_end = NULL;
|
|
|
497 }
|
|
|
498
|
|
|
499 if (rc == NGX_AGAIN) {
|
|
|
500 continue;
|
|
|
501 }
|
|
|
502
|
|
|
503
|
|
122
|
504 b = NULL;
|
|
|
505
|
|
46
|
506 if (rc == NGX_OK) {
|
|
|
507
|
|
146
|
508 smcf = ngx_http_get_module_main_conf(r,
|
|
|
509 ngx_http_ssi_filter_module);
|
|
|
510
|
|
|
511 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
512 ctx->command.len);
|
|
|
513
|
|
|
514 if (cmd == NULL) {
|
|
|
515 if (ctx->output) {
|
|
|
516 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
517 "invalid SSI command: \"%V\"",
|
|
|
518 &ctx->command);
|
|
|
519 goto ssi_error;
|
|
46
|
520 }
|
|
|
521
|
|
146
|
522 continue;
|
|
46
|
523 }
|
|
|
524
|
|
58
|
525 if (!ctx->output && !cmd->conditional) {
|
|
|
526 continue;
|
|
|
527 }
|
|
|
528
|
|
146
|
529 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
530 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
531 "too many SSI command paramters: \"%V\"",
|
|
|
532 &ctx->command);
|
|
|
533 goto ssi_error;
|
|
|
534 }
|
|
|
535
|
|
46
|
536 ngx_memzero(params,
|
|
148
|
537 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
538
|
|
|
539 param = ctx->params.elts;
|
|
|
540
|
|
|
541 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
542
|
|
|
543 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
544
|
|
|
545 if (param[i].key.len != prm->name.len
|
|
|
546 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
547 prm->name.len) != 0)
|
|
|
548 {
|
|
|
549 continue;
|
|
|
550 }
|
|
|
551
|
|
146
|
552 if (!prm->multiple) {
|
|
|
553 if (params[prm->index]) {
|
|
|
554 ngx_log_error(NGX_LOG_ERR,
|
|
|
555 r->connection->log, 0,
|
|
|
556 "duplicate \"%V\" parameter "
|
|
|
557 "in \"%V\" SSI command",
|
|
|
558 ¶m[i].key, &ctx->command);
|
|
|
559
|
|
|
560 goto ssi_error;
|
|
|
561 }
|
|
|
562
|
|
|
563 params[prm->index] = ¶m[i].value;
|
|
|
564
|
|
|
565 break;
|
|
46
|
566 }
|
|
|
567
|
|
146
|
568 for (index = prm->index; params[index]; index++) {
|
|
|
569 /* void */
|
|
|
570 }
|
|
|
571
|
|
|
572 params[index] = ¶m[i].value;
|
|
46
|
573
|
|
|
574 break;
|
|
|
575 }
|
|
|
576
|
|
|
577 if (prm->name.len == 0) {
|
|
|
578 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
579 "invalid parameter name: \"%V\" "
|
|
|
580 "in \"%V\" SSI command",
|
|
|
581 ¶m[i].key, &ctx->command);
|
|
|
582
|
|
|
583 goto ssi_error;
|
|
|
584 }
|
|
|
585 }
|
|
|
586
|
|
|
587 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
588 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
589 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
590 "mandatory \"%V\" parameter is absent "
|
|
|
591 "in \"%V\" SSI command",
|
|
|
592 &prm->name, &ctx->command);
|
|
|
593
|
|
|
594 goto ssi_error;
|
|
|
595 }
|
|
|
596 }
|
|
|
597
|
|
58
|
598 if (cmd->flush && ctx->out) {
|
|
|
599 rc = ngx_http_ssi_output(r, ctx);
|
|
|
600
|
|
|
601 if (rc == NGX_ERROR) {
|
|
|
602 return NGX_ERROR;
|
|
|
603 }
|
|
|
604 }
|
|
|
605
|
|
118
|
606 c = r->connection;
|
|
|
607
|
|
|
608 rc = cmd->handler(r, ctx, params);
|
|
|
609
|
|
132
|
610 if (c->destroyed) {
|
|
118
|
611 return NGX_DONE;
|
|
|
612 }
|
|
|
613
|
|
|
614 if (rc == NGX_OK) {
|
|
46
|
615 continue;
|
|
|
616 }
|
|
132
|
617
|
|
|
618 if (rc == NGX_ERROR) {
|
|
|
619 return NGX_ERROR;
|
|
|
620 }
|
|
46
|
621 }
|
|
|
622
|
|
|
623
|
|
|
624 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
625
|
|
48
|
626 ssi_error:
|
|
46
|
627
|
|
146
|
628 if (slcf->silent_errors) {
|
|
46
|
629 continue;
|
|
|
630 }
|
|
|
631
|
|
48
|
632 if (ctx->free) {
|
|
|
633 cl = ctx->free;
|
|
|
634 ctx->free = ctx->free->next;
|
|
|
635 b = cl->buf;
|
|
|
636 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
637
|
|
|
638 } else {
|
|
|
639 b = ngx_calloc_buf(r->pool);
|
|
|
640 if (b == NULL) {
|
|
|
641 return NGX_ERROR;
|
|
|
642 }
|
|
|
643
|
|
|
644 cl = ngx_alloc_chain_link(r->pool);
|
|
|
645 if (cl == NULL) {
|
|
|
646 return NGX_ERROR;
|
|
|
647 }
|
|
|
648
|
|
|
649 cl->buf = b;
|
|
46
|
650 }
|
|
|
651
|
|
|
652 b->memory = 1;
|
|
96
|
653 b->pos = ctx->errmsg.data;
|
|
|
654 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
655
|
|
|
656 cl->next = NULL;
|
|
|
657 *ctx->last_out = cl;
|
|
|
658 ctx->last_out = &cl->next;
|
|
|
659
|
|
|
660 continue;
|
|
|
661 }
|
|
|
662
|
|
58
|
663 if (ctx->buf->last_buf || ctx->buf->recycled) {
|
|
48
|
664 if (b == NULL) {
|
|
|
665 if (ctx->free) {
|
|
|
666 cl = ctx->free;
|
|
|
667 ctx->free = ctx->free->next;
|
|
|
668 b = cl->buf;
|
|
|
669 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
670
|
|
|
671 } else {
|
|
|
672 b = ngx_calloc_buf(r->pool);
|
|
|
673 if (b == NULL) {
|
|
|
674 return NGX_ERROR;
|
|
|
675 }
|
|
46
|
676
|
|
48
|
677 cl = ngx_alloc_chain_link(r->pool);
|
|
|
678 if (cl == NULL) {
|
|
|
679 return NGX_ERROR;
|
|
|
680 }
|
|
|
681
|
|
|
682 cl->buf = b;
|
|
|
683 }
|
|
|
684
|
|
58
|
685 b->sync = 1;
|
|
|
686
|
|
48
|
687 cl->next = NULL;
|
|
|
688 *ctx->last_out = cl;
|
|
|
689 ctx->last_out = &cl->next;
|
|
|
690 }
|
|
|
691
|
|
|
692 b->last_buf = ctx->buf->last_buf;
|
|
|
693 b->shadow = ctx->buf;
|
|
58
|
694
|
|
146
|
695 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
696 b->recycled = ctx->buf->recycled;
|
|
|
697 }
|
|
46
|
698 }
|
|
|
699
|
|
48
|
700 ctx->buf = NULL;
|
|
|
701
|
|
46
|
702 ctx->saved = ctx->looked;
|
|
|
703 }
|
|
|
704
|
|
48
|
705 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
706 return NGX_OK;
|
|
|
707 }
|
|
|
708
|
|
58
|
709 return ngx_http_ssi_output(r, ctx);
|
|
|
710 }
|
|
|
711
|
|
|
712
|
|
|
713 static ngx_int_t
|
|
|
714 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
715 {
|
|
|
716 ngx_int_t rc;
|
|
|
717 ngx_buf_t *b;
|
|
|
718 ngx_chain_t *cl;
|
|
|
719
|
|
46
|
720 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
721
|
|
48
|
722 if (ctx->busy == NULL) {
|
|
|
723 ctx->busy = ctx->out;
|
|
|
724
|
|
|
725 } else {
|
|
|
726 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
727 cl->next = ctx->out;
|
|
|
728 }
|
|
|
729
|
|
46
|
730 ctx->out = NULL;
|
|
|
731 ctx->last_out = &ctx->out;
|
|
|
732
|
|
48
|
733 while (ctx->busy) {
|
|
|
734
|
|
|
735 b = ctx->busy->buf;
|
|
|
736
|
|
|
737 if (ngx_buf_size(b) != 0) {
|
|
|
738 break;
|
|
|
739 }
|
|
|
740
|
|
|
741 #if (NGX_HAVE_WRITE_ZEROCOPY)
|
|
|
742 if (b->zerocopy_busy) {
|
|
|
743 break;
|
|
|
744 }
|
|
|
745 #endif
|
|
|
746
|
|
|
747 if (b->shadow) {
|
|
|
748 b->shadow->pos = b->shadow->last;
|
|
|
749 }
|
|
|
750
|
|
|
751 cl = ctx->busy;
|
|
|
752 ctx->busy = cl->next;
|
|
|
753 cl->next = ctx->free;
|
|
|
754 ctx->free = cl;
|
|
|
755 }
|
|
|
756
|
|
46
|
757 return rc;
|
|
|
758 }
|
|
|
759
|
|
|
760
|
|
|
761 static ngx_int_t
|
|
|
762 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
763 {
|
|
|
764 u_char *p, *last, *copy_end, ch;
|
|
|
765 size_t looked;
|
|
|
766 ngx_http_ssi_state_e state;
|
|
|
767
|
|
|
768 state = ctx->state;
|
|
|
769 looked = ctx->looked;
|
|
|
770 last = ctx->buf->last;
|
|
|
771 copy_end = ctx->copy_end;
|
|
|
772
|
|
|
773 for (p = ctx->pos; p < last; p++) {
|
|
|
774
|
|
|
775 ch = *p;
|
|
|
776
|
|
|
777 if (state == ssi_start_state) {
|
|
|
778
|
|
|
779 /* the tight loop */
|
|
|
780
|
|
48
|
781 for ( ;; ) {
|
|
|
782 if (ch == '<') {
|
|
|
783 copy_end = p;
|
|
|
784 looked = 1;
|
|
|
785 state = ssi_tag_state;
|
|
|
786
|
|
|
787 goto tag_started;
|
|
46
|
788 }
|
|
|
789
|
|
48
|
790 if (++p == last) {
|
|
|
791 break;
|
|
|
792 }
|
|
46
|
793
|
|
48
|
794 ch = *p;
|
|
46
|
795 }
|
|
|
796
|
|
|
797 ctx->pos = p;
|
|
|
798 ctx->looked = looked;
|
|
|
799 ctx->copy_end = p;
|
|
|
800
|
|
|
801 if (ctx->copy_start == NULL) {
|
|
|
802 ctx->copy_start = ctx->buf->pos;
|
|
|
803 }
|
|
|
804
|
|
|
805 return NGX_AGAIN;
|
|
|
806
|
|
48
|
807 tag_started:
|
|
|
808
|
|
46
|
809 continue;
|
|
|
810 }
|
|
|
811
|
|
|
812 switch (state) {
|
|
|
813
|
|
|
814 case ssi_start_state:
|
|
|
815 break;
|
|
|
816
|
|
|
817 case ssi_tag_state:
|
|
|
818 switch (ch) {
|
|
|
819 case '!':
|
|
|
820 looked = 2;
|
|
|
821 state = ssi_comment0_state;
|
|
|
822 break;
|
|
|
823
|
|
|
824 case '<':
|
|
|
825 copy_end = p;
|
|
|
826 break;
|
|
|
827
|
|
|
828 default:
|
|
|
829 copy_end = p;
|
|
|
830 looked = 0;
|
|
|
831 state = ssi_start_state;
|
|
|
832 break;
|
|
|
833 }
|
|
|
834
|
|
|
835 break;
|
|
|
836
|
|
|
837 case ssi_comment0_state:
|
|
|
838 switch (ch) {
|
|
|
839 case '-':
|
|
|
840 looked = 3;
|
|
|
841 state = ssi_comment1_state;
|
|
|
842 break;
|
|
|
843
|
|
|
844 case '<':
|
|
|
845 copy_end = p;
|
|
|
846 looked = 1;
|
|
|
847 state = ssi_tag_state;
|
|
|
848 break;
|
|
|
849
|
|
|
850 default:
|
|
|
851 copy_end = p;
|
|
|
852 looked = 0;
|
|
|
853 state = ssi_start_state;
|
|
|
854 break;
|
|
|
855 }
|
|
|
856
|
|
|
857 break;
|
|
|
858
|
|
|
859 case ssi_comment1_state:
|
|
|
860 switch (ch) {
|
|
|
861 case '-':
|
|
|
862 looked = 4;
|
|
|
863 state = ssi_sharp_state;
|
|
|
864 break;
|
|
|
865
|
|
|
866 case '<':
|
|
|
867 copy_end = p;
|
|
|
868 looked = 1;
|
|
|
869 state = ssi_tag_state;
|
|
|
870 break;
|
|
|
871
|
|
|
872 default:
|
|
|
873 copy_end = p;
|
|
|
874 looked = 0;
|
|
|
875 state = ssi_start_state;
|
|
|
876 break;
|
|
|
877 }
|
|
|
878
|
|
|
879 break;
|
|
|
880
|
|
|
881 case ssi_sharp_state:
|
|
|
882 switch (ch) {
|
|
|
883 case '#':
|
|
|
884 if (ctx->copy_start) {
|
|
|
885 ctx->saved = 0;
|
|
|
886 }
|
|
|
887 looked = 0;
|
|
|
888 state = ssi_precommand_state;
|
|
|
889 break;
|
|
|
890
|
|
|
891 case '<':
|
|
|
892 copy_end = p;
|
|
|
893 looked = 1;
|
|
|
894 state = ssi_tag_state;
|
|
|
895 break;
|
|
|
896
|
|
|
897 default:
|
|
|
898 copy_end = p;
|
|
|
899 looked = 0;
|
|
|
900 state = ssi_start_state;
|
|
|
901 break;
|
|
|
902 }
|
|
|
903
|
|
|
904 break;
|
|
|
905
|
|
|
906 case ssi_precommand_state:
|
|
|
907 switch (ch) {
|
|
|
908 case ' ':
|
|
|
909 case CR:
|
|
|
910 case LF:
|
|
|
911 case '\t':
|
|
|
912 break;
|
|
|
913
|
|
|
914 default:
|
|
|
915 ctx->command.len = 1;
|
|
|
916 ctx->command.data = ngx_palloc(r->pool,
|
|
|
917 NGX_HTTP_SSI_COMMAND_LEN + 1);
|
|
|
918 if (ctx->command.data == NULL) {
|
|
|
919 return NGX_ERROR;
|
|
|
920 }
|
|
|
921
|
|
|
922 ctx->command.data[0] = ch;
|
|
146
|
923 ctx->key = 0;
|
|
|
924 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
925
|
|
46
|
926 ctx->params.nelts = 0;
|
|
|
927 state = ssi_command_state;
|
|
|
928 break;
|
|
|
929 }
|
|
|
930
|
|
|
931 break;
|
|
|
932
|
|
|
933 case ssi_command_state:
|
|
|
934 switch (ch) {
|
|
|
935 case ' ':
|
|
|
936 case CR:
|
|
|
937 case LF:
|
|
|
938 case '\t':
|
|
|
939 state = ssi_preparam_state;
|
|
|
940 break;
|
|
|
941
|
|
|
942 case '-':
|
|
|
943 state = ssi_comment_end0_state;
|
|
|
944 break;
|
|
|
945
|
|
|
946 default:
|
|
|
947 ctx->command.data[ctx->command.len++] = ch;
|
|
146
|
948 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
949
|
|
|
950 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
951 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
952 "the \"%V\" SSI command is too long",
|
|
|
953 &ctx->command);
|
|
|
954
|
|
|
955 state = ssi_error_state;
|
|
|
956 break;
|
|
|
957 }
|
|
|
958 }
|
|
|
959
|
|
|
960 break;
|
|
|
961
|
|
|
962 case ssi_preparam_state:
|
|
|
963 switch (ch) {
|
|
|
964 case ' ':
|
|
|
965 case CR:
|
|
|
966 case LF:
|
|
|
967 case '\t':
|
|
|
968 break;
|
|
|
969
|
|
|
970 case '-':
|
|
|
971 state = ssi_comment_end0_state;
|
|
|
972 break;
|
|
|
973
|
|
|
974 default:
|
|
48
|
975 ctx->param = ngx_array_push(&ctx->params);
|
|
|
976 if (ctx->param == NULL) {
|
|
46
|
977 return NGX_ERROR;
|
|
|
978 }
|
|
|
979
|
|
|
980 ctx->param->key.len = 1;
|
|
|
981 ctx->param->key.data = ngx_palloc(r->pool,
|
|
|
982 NGX_HTTP_SSI_PARAM_LEN + 1);
|
|
|
983 if (ctx->param->key.data == NULL) {
|
|
|
984 return NGX_ERROR;
|
|
|
985 }
|
|
|
986
|
|
|
987 ctx->param->key.data[0] = ch;
|
|
|
988
|
|
|
989 ctx->param->value.len = 0;
|
|
|
990 ctx->param->value.data = ngx_palloc(r->pool,
|
|
|
991 ctx->value_len + 1);
|
|
|
992 if (ctx->param->value.data == NULL) {
|
|
|
993 return NGX_ERROR;
|
|
|
994 }
|
|
|
995
|
|
|
996 state = ssi_param_state;
|
|
|
997 break;
|
|
|
998 }
|
|
|
999
|
|
|
1000 break;
|
|
|
1001
|
|
|
1002 case ssi_param_state:
|
|
|
1003 switch (ch) {
|
|
|
1004 case ' ':
|
|
|
1005 case CR:
|
|
|
1006 case LF:
|
|
|
1007 case '\t':
|
|
|
1008 state = ssi_preequal_state;
|
|
|
1009 break;
|
|
|
1010
|
|
|
1011 case '=':
|
|
|
1012 state = ssi_prevalue_state;
|
|
|
1013 break;
|
|
|
1014
|
|
|
1015 case '-':
|
|
|
1016 state = ssi_error_end0_state;
|
|
|
1017
|
|
|
1018 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1019 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1020 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1021 &ctx->param->key, &ctx->command);
|
|
|
1022 break;
|
|
|
1023
|
|
|
1024 default:
|
|
|
1025 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1026
|
|
|
1027 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1028 state = ssi_error_state;
|
|
|
1029 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1030 "too long \"%V\" parameter in "
|
|
|
1031 "\"%V\" SSI command",
|
|
|
1032 &ctx->param->key, &ctx->command);
|
|
|
1033 break;
|
|
|
1034 }
|
|
|
1035 }
|
|
|
1036
|
|
|
1037 break;
|
|
|
1038
|
|
|
1039 case ssi_preequal_state:
|
|
|
1040 switch (ch) {
|
|
|
1041 case ' ':
|
|
|
1042 case CR:
|
|
|
1043 case LF:
|
|
|
1044 case '\t':
|
|
|
1045 break;
|
|
|
1046
|
|
|
1047 case '=':
|
|
|
1048 state = ssi_prevalue_state;
|
|
|
1049 break;
|
|
|
1050
|
|
|
1051 default:
|
|
|
1052 if (ch == '-') {
|
|
|
1053 state = ssi_error_end0_state;
|
|
|
1054 } else {
|
|
|
1055 state = ssi_error_state;
|
|
|
1056 }
|
|
|
1057
|
|
|
1058 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1059 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1060 "parameter in \"%V\" SSI command",
|
|
|
1061 ch, &ctx->param->key, &ctx->command);
|
|
|
1062 break;
|
|
|
1063 }
|
|
|
1064
|
|
|
1065 break;
|
|
|
1066
|
|
|
1067 case ssi_prevalue_state:
|
|
|
1068 switch (ch) {
|
|
|
1069 case ' ':
|
|
|
1070 case CR:
|
|
|
1071 case LF:
|
|
|
1072 case '\t':
|
|
|
1073 break;
|
|
|
1074
|
|
|
1075 case '"':
|
|
|
1076 state = ssi_double_quoted_value_state;
|
|
|
1077 break;
|
|
|
1078
|
|
|
1079 case '\'':
|
|
|
1080 state = ssi_quoted_value_state;
|
|
|
1081 break;
|
|
|
1082
|
|
|
1083 default:
|
|
|
1084 if (ch == '-') {
|
|
|
1085 state = ssi_error_end0_state;
|
|
|
1086 } else {
|
|
|
1087 state = ssi_error_state;
|
|
|
1088 }
|
|
|
1089
|
|
|
1090 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1091 "unexpected \"%c\" symbol before value of "
|
|
|
1092 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1093 ch, &ctx->param->key, &ctx->command);
|
|
|
1094 break;
|
|
|
1095 }
|
|
|
1096
|
|
|
1097 break;
|
|
|
1098
|
|
|
1099 case ssi_double_quoted_value_state:
|
|
|
1100 switch (ch) {
|
|
108
|
1101 case '"':
|
|
|
1102 state = ssi_postparam_state;
|
|
|
1103 break;
|
|
|
1104
|
|
46
|
1105 case '\\':
|
|
|
1106 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1107 state = ssi_quoted_symbol_state;
|
|
108
|
1108
|
|
|
1109 /* fall through */
|
|
46
|
1110
|
|
|
1111 default:
|
|
|
1112 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1113
|
|
|
1114 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1115 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1116 "too long \"%V\" value of \"%V\" parameter "
|
|
|
1117 "in \"%V\" SSI command",
|
|
|
1118 &ctx->param->value, &ctx->param->key,
|
|
|
1119 &ctx->command);
|
|
|
1120 state = ssi_error_state;
|
|
|
1121 break;
|
|
|
1122 }
|
|
|
1123 }
|
|
|
1124
|
|
|
1125 break;
|
|
|
1126
|
|
|
1127 case ssi_quoted_value_state:
|
|
|
1128 switch (ch) {
|
|
108
|
1129 case '\'':
|
|
|
1130 state = ssi_postparam_state;
|
|
|
1131 break;
|
|
|
1132
|
|
46
|
1133 case '\\':
|
|
|
1134 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1135 state = ssi_quoted_symbol_state;
|
|
108
|
1136
|
|
|
1137 /* fall through */
|
|
46
|
1138
|
|
|
1139 default:
|
|
|
1140 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1141
|
|
|
1142 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1143 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1144 "too long \"%V\" value of \"%V\" parameter "
|
|
|
1145 "in \"%V\" SSI command",
|
|
|
1146 &ctx->param->value, &ctx->param->key,
|
|
|
1147 &ctx->command);
|
|
|
1148 state = ssi_error_state;
|
|
|
1149 break;
|
|
|
1150 }
|
|
|
1151 }
|
|
|
1152
|
|
|
1153 break;
|
|
|
1154
|
|
|
1155 case ssi_quoted_symbol_state:
|
|
108
|
1156 state = ctx->saved_state;
|
|
|
1157
|
|
|
1158 if (ch == '\\') {
|
|
|
1159 break;
|
|
|
1160 }
|
|
|
1161
|
|
|
1162 if (ch == '"' && state == ssi_double_quoted_value_state) {
|
|
122
|
1163 ctx->param->value.data[ctx->param->value.len - 1] = ch;
|
|
108
|
1164 break;
|
|
|
1165 }
|
|
|
1166
|
|
|
1167 if (ch == '\'' && state == ssi_quoted_value_state) {
|
|
122
|
1168 ctx->param->value.data[ctx->param->value.len - 1] = ch;
|
|
108
|
1169 break;
|
|
|
1170 }
|
|
|
1171
|
|
46
|
1172 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1173
|
|
|
1174 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1175 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1176 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1177 "too long \"%V\" value of \"%V\" parameter "
|
|
|
1178 "in \"%V\" SSI command",
|
|
|
1179 &ctx->param->value, &ctx->param->key,
|
|
|
1180 &ctx->command);
|
|
|
1181 state = ssi_error_state;
|
|
|
1182 break;
|
|
|
1183 }
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 break;
|
|
|
1187
|
|
|
1188 case ssi_postparam_state:
|
|
|
1189 switch (ch) {
|
|
|
1190 case ' ':
|
|
|
1191 case CR:
|
|
|
1192 case LF:
|
|
|
1193 case '\t':
|
|
|
1194 state = ssi_preparam_state;
|
|
|
1195 break;
|
|
|
1196
|
|
|
1197 case '-':
|
|
|
1198 state = ssi_comment_end0_state;
|
|
|
1199 break;
|
|
|
1200
|
|
|
1201 default:
|
|
|
1202 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1203 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1204 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1205 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1206 &ctx->command);
|
|
|
1207 state = ssi_error_state;
|
|
|
1208 break;
|
|
|
1209 }
|
|
|
1210
|
|
|
1211 break;
|
|
|
1212
|
|
|
1213 case ssi_comment_end0_state:
|
|
|
1214 switch (ch) {
|
|
|
1215 case '-':
|
|
|
1216 state = ssi_comment_end1_state;
|
|
|
1217 break;
|
|
|
1218
|
|
|
1219 default:
|
|
|
1220 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1221 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1222 ch, &ctx->command);
|
|
|
1223 state = ssi_error_state;
|
|
|
1224 break;
|
|
|
1225 }
|
|
|
1226
|
|
|
1227 break;
|
|
|
1228
|
|
|
1229 case ssi_comment_end1_state:
|
|
|
1230 switch (ch) {
|
|
|
1231 case '>':
|
|
|
1232 ctx->state = ssi_start_state;
|
|
|
1233 ctx->pos = p + 1;
|
|
|
1234 ctx->looked = looked;
|
|
|
1235 ctx->copy_end = copy_end;
|
|
|
1236
|
|
|
1237 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1238 ctx->copy_start = ctx->buf->pos;
|
|
|
1239 }
|
|
|
1240
|
|
|
1241 return NGX_OK;
|
|
|
1242
|
|
|
1243 default:
|
|
|
1244 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1245 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1246 ch, &ctx->command);
|
|
|
1247 state = ssi_error_state;
|
|
|
1248 break;
|
|
|
1249 }
|
|
|
1250
|
|
|
1251 break;
|
|
|
1252
|
|
|
1253 case ssi_error_state:
|
|
|
1254 switch (ch) {
|
|
|
1255 case '-':
|
|
|
1256 state = ssi_error_end0_state;
|
|
|
1257 break;
|
|
|
1258
|
|
|
1259 default:
|
|
|
1260 break;
|
|
|
1261 }
|
|
|
1262
|
|
|
1263 break;
|
|
|
1264
|
|
|
1265 case ssi_error_end0_state:
|
|
|
1266 switch (ch) {
|
|
|
1267 case '-':
|
|
|
1268 state = ssi_error_end1_state;
|
|
|
1269 break;
|
|
|
1270
|
|
|
1271 default:
|
|
|
1272 state = ssi_error_state;
|
|
|
1273 break;
|
|
|
1274 }
|
|
|
1275
|
|
|
1276 break;
|
|
|
1277
|
|
|
1278 case ssi_error_end1_state:
|
|
|
1279 switch (ch) {
|
|
|
1280 case '>':
|
|
|
1281 ctx->state = ssi_start_state;
|
|
|
1282 ctx->pos = p + 1;
|
|
|
1283 ctx->looked = looked;
|
|
|
1284 ctx->copy_end = copy_end;
|
|
|
1285
|
|
|
1286 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1287 ctx->copy_start = ctx->buf->pos;
|
|
|
1288 }
|
|
|
1289
|
|
|
1290 return NGX_HTTP_SSI_ERROR;
|
|
|
1291
|
|
|
1292 default:
|
|
|
1293 state = ssi_error_state;
|
|
|
1294 break;
|
|
|
1295 }
|
|
|
1296
|
|
|
1297 break;
|
|
|
1298 }
|
|
|
1299 }
|
|
|
1300
|
|
|
1301 ctx->state = state;
|
|
|
1302 ctx->pos = p;
|
|
|
1303 ctx->looked = looked;
|
|
|
1304
|
|
|
1305 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1306
|
|
|
1307 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1308 ctx->copy_start = ctx->buf->pos;
|
|
|
1309 }
|
|
|
1310
|
|
|
1311 return NGX_AGAIN;
|
|
|
1312 }
|
|
|
1313
|
|
|
1314
|
|
102
|
1315 static ngx_str_t *
|
|
|
1316 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name)
|
|
|
1317 {
|
|
|
1318 ngx_uint_t i;
|
|
|
1319 ngx_http_ssi_var_t *var;
|
|
|
1320 ngx_http_ssi_ctx_t *ctx;
|
|
|
1321
|
|
|
1322 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1323
|
|
|
1324 var = ctx->variables.elts;
|
|
|
1325 for (i = 0; i < ctx->variables.nelts; i++) {
|
|
|
1326 if (name->len != var[i].name.len) {
|
|
|
1327 continue;
|
|
|
1328 }
|
|
|
1329
|
|
|
1330 if (ngx_strncasecmp(name->data, var[i].name.data, name->len) == 0) {
|
|
|
1331 return &var[i].value;
|
|
|
1332 }
|
|
|
1333 }
|
|
|
1334
|
|
|
1335 return NULL;
|
|
|
1336 }
|
|
|
1337
|
|
|
1338
|
|
|
1339 static ngx_int_t
|
|
|
1340 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1341 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1342 {
|
|
122
|
1343 u_char ch, *p, **value, *data, *part_data;
|
|
|
1344 size_t *size, len, prefix, part_len;
|
|
|
1345 ngx_str_t var, *val;
|
|
102
|
1346 ngx_uint_t i, j, n, bracket;
|
|
|
1347 ngx_array_t lengths, values;
|
|
|
1348 ngx_http_variable_value_t *vv;
|
|
|
1349
|
|
|
1350 n = ngx_http_script_variables_count(text);
|
|
|
1351
|
|
|
1352 if (n == 0) {
|
|
|
1353
|
|
|
1354 if (!(flags & NGX_HTTP_SSI_ADD_PREFIX)) {
|
|
|
1355 return NGX_OK;
|
|
|
1356 }
|
|
|
1357
|
|
|
1358 if (text->data[0] != '/') {
|
|
|
1359 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1360 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1361 break;
|
|
|
1362 }
|
|
|
1363 }
|
|
|
1364
|
|
|
1365 if (prefix) {
|
|
|
1366 len = prefix + text->len;
|
|
|
1367
|
|
|
1368 data = ngx_palloc(r->pool, len);
|
|
|
1369 if (data == NULL) {
|
|
|
1370 return NGX_ERROR;
|
|
|
1371 }
|
|
|
1372
|
|
122
|
1373 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1374 ngx_memcpy(p, text->data, text->len);
|
|
|
1375
|
|
|
1376 text->len = len;
|
|
|
1377 text->data = data;
|
|
|
1378 }
|
|
|
1379 }
|
|
|
1380
|
|
|
1381 return NGX_OK;
|
|
|
1382 }
|
|
|
1383
|
|
|
1384 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1385 return NGX_ERROR;
|
|
|
1386 }
|
|
|
1387
|
|
|
1388 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1389 return NGX_ERROR;
|
|
|
1390 }
|
|
|
1391
|
|
|
1392 len = 0;
|
|
|
1393 i = 0;
|
|
|
1394
|
|
|
1395 while (i < text->len) {
|
|
|
1396
|
|
|
1397 if (text->data[i] == '$') {
|
|
|
1398
|
|
|
1399 var.len = 0;
|
|
|
1400
|
|
|
1401 if (++i == text->len) {
|
|
|
1402 goto invalid_variable;
|
|
|
1403 }
|
|
|
1404
|
|
|
1405 if (text->data[i] == '{') {
|
|
|
1406 bracket = 1;
|
|
|
1407
|
|
|
1408 if (++i == text->len) {
|
|
|
1409 goto invalid_variable;
|
|
|
1410 }
|
|
|
1411
|
|
|
1412 var.data = &text->data[i];
|
|
|
1413
|
|
|
1414 } else {
|
|
|
1415 bracket = 0;
|
|
|
1416 var.data = &text->data[i];
|
|
|
1417 }
|
|
|
1418
|
|
|
1419 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1420 ch = text->data[i];
|
|
|
1421
|
|
|
1422 if (ch == '}' && bracket) {
|
|
|
1423 i++;
|
|
|
1424 bracket = 0;
|
|
|
1425 break;
|
|
|
1426 }
|
|
|
1427
|
|
|
1428 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1429 || (ch >= 'a' && ch <= 'z')
|
|
|
1430 || (ch >= '0' && ch <= '9')
|
|
|
1431 || ch == '_')
|
|
|
1432 {
|
|
|
1433 continue;
|
|
|
1434 }
|
|
|
1435
|
|
|
1436 break;
|
|
|
1437 }
|
|
|
1438
|
|
|
1439 if (bracket) {
|
|
|
1440 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1441 "the closing bracket in \"%V\" "
|
|
|
1442 "variable is missing", &var);
|
|
|
1443 return NGX_ERROR;
|
|
|
1444 }
|
|
|
1445
|
|
126
|
1446 if (var.len == 0) {
|
|
102
|
1447 goto invalid_variable;
|
|
|
1448 }
|
|
|
1449
|
|
|
1450 for (j = 0; j < var.len; j++) {
|
|
|
1451 var.data[j] = ngx_tolower(var.data[j]);
|
|
|
1452 }
|
|
|
1453
|
|
|
1454 val = ngx_http_ssi_get_variable(r, &var);
|
|
|
1455
|
|
|
1456 if (val == NULL) {
|
|
|
1457 vv = ngx_http_get_variable(r, &var);
|
|
|
1458
|
|
|
1459 if (vv == NULL) {
|
|
|
1460 return NGX_ERROR;
|
|
|
1461 }
|
|
|
1462
|
|
122
|
1463 if (vv->not_found) {
|
|
102
|
1464 continue;
|
|
|
1465 }
|
|
|
1466
|
|
122
|
1467 part_data = vv->data;
|
|
|
1468 part_len = vv->len;
|
|
102
|
1469
|
|
|
1470 } else {
|
|
122
|
1471 part_data = val->data;
|
|
|
1472 part_len = val->len;
|
|
102
|
1473 }
|
|
|
1474
|
|
|
1475 } else {
|
|
122
|
1476 part_data = &text->data[i];
|
|
|
1477
|
|
|
1478 for (p = part_data; i < text->len; i++) {
|
|
108
|
1479 ch = text->data[i];
|
|
|
1480
|
|
|
1481 if (ch == '$') {
|
|
|
1482 if (text->data[i - 1] != '\\') {
|
|
|
1483 break;
|
|
|
1484 }
|
|
|
1485
|
|
|
1486 *(p - 1) = ch;
|
|
|
1487
|
|
|
1488 continue;
|
|
|
1489 }
|
|
|
1490
|
|
|
1491 *p++ = ch;
|
|
102
|
1492 }
|
|
108
|
1493
|
|
122
|
1494 part_len = p - part_data;
|
|
102
|
1495 }
|
|
|
1496
|
|
122
|
1497 len += part_len;
|
|
102
|
1498
|
|
|
1499 size = ngx_array_push(&lengths);
|
|
|
1500 if (size == NULL) {
|
|
|
1501 return NGX_ERROR;
|
|
|
1502 }
|
|
|
1503
|
|
122
|
1504 *size = part_len;
|
|
102
|
1505
|
|
|
1506 value = ngx_array_push(&values);
|
|
|
1507 if (value == NULL) {
|
|
|
1508 return NGX_ERROR;
|
|
|
1509 }
|
|
|
1510
|
|
122
|
1511 *value = part_data;
|
|
102
|
1512 }
|
|
|
1513
|
|
|
1514 prefix = 0;
|
|
|
1515
|
|
|
1516 size = lengths.elts;
|
|
|
1517 value = values.elts;
|
|
|
1518
|
|
|
1519 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1520 for (i = 0; i < values.nelts; i++) {
|
|
|
1521 if (size[i] != 0) {
|
|
|
1522 if (*value[i] != '/') {
|
|
|
1523 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1524 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1525 len += prefix;
|
|
|
1526 break;
|
|
|
1527 }
|
|
|
1528 }
|
|
|
1529 }
|
|
|
1530
|
|
|
1531 break;
|
|
|
1532 }
|
|
|
1533 }
|
|
|
1534 }
|
|
|
1535
|
|
|
1536 p = ngx_palloc(r->pool, len);
|
|
|
1537 if (p == NULL) {
|
|
|
1538 return NGX_ERROR;
|
|
|
1539 }
|
|
|
1540
|
|
|
1541 text->len = len;
|
|
|
1542 text->data = p;
|
|
|
1543
|
|
122
|
1544 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1545
|
|
|
1546 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1547 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1548 }
|
|
|
1549
|
|
|
1550 return NGX_OK;
|
|
|
1551
|
|
|
1552 invalid_variable:
|
|
|
1553
|
|
|
1554 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1555 "invalid variable name in \"%V\"", text);
|
|
|
1556
|
|
|
1557 return NGX_ERROR;
|
|
|
1558 }
|
|
|
1559
|
|
|
1560
|
|
|
1561 static ngx_int_t
|
|
|
1562 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1563 ngx_str_t **params)
|
|
|
1564 {
|
|
|
1565 ngx_str_t *uri, *file, args;
|
|
122
|
1566 ngx_uint_t flags;
|
|
102
|
1567
|
|
|
1568 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1569 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
|
1570
|
|
|
1571 if (uri && file) {
|
|
|
1572 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1573 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1574 uri, file);
|
|
|
1575 return NGX_HTTP_SSI_ERROR;
|
|
|
1576 }
|
|
|
1577
|
|
|
1578 if (uri == NULL && file == NULL) {
|
|
|
1579 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1580 "no parameter in \"include\" SSI command");
|
|
|
1581 return NGX_HTTP_SSI_ERROR;
|
|
|
1582 }
|
|
|
1583
|
|
|
1584 if (uri == NULL) {
|
|
|
1585 uri = file;
|
|
|
1586 }
|
|
|
1587
|
|
|
1588 if (ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX)
|
|
|
1589 != NGX_OK)
|
|
|
1590 {
|
|
|
1591 return NGX_HTTP_SSI_ERROR;
|
|
|
1592 }
|
|
|
1593
|
|
|
1594 args.len = 0;
|
|
|
1595 args.data = NULL;
|
|
122
|
1596 flags = 0;
|
|
|
1597
|
|
|
1598 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1599 "ssi include: \"%V\"", uri);
|
|
|
1600
|
|
|
1601 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1602 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1603 }
|
|
|
1604
|
|
122
|
1605 if (ngx_http_subrequest(r, uri, &args, flags) != NGX_OK) {
|
|
102
|
1606 return NGX_HTTP_SSI_ERROR;
|
|
|
1607 }
|
|
|
1608
|
|
|
1609 return NGX_OK;
|
|
|
1610 }
|
|
|
1611
|
|
|
1612
|
|
46
|
1613 static ngx_int_t
|
|
|
1614 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1615 ngx_str_t **params)
|
|
|
1616 {
|
|
50
|
1617 ngx_uint_t i;
|
|
48
|
1618 ngx_buf_t *b;
|
|
122
|
1619 ngx_str_t *var, *value, text;
|
|
48
|
1620 ngx_chain_t *cl;
|
|
50
|
1621 ngx_http_variable_value_t *vv;
|
|
46
|
1622
|
|
|
1623 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
1624
|
|
102
|
1625 value = ngx_http_ssi_get_variable(r, var);
|
|
|
1626
|
|
|
1627 if (value == NULL) {
|
|
|
1628 for (i = 0; i < var->len; i++) {
|
|
|
1629 var->data[i] = ngx_tolower(var->data[i]);
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 vv = ngx_http_get_variable(r, var);
|
|
|
1633
|
|
|
1634 if (vv == NULL) {
|
|
|
1635 return NGX_HTTP_SSI_ERROR;
|
|
|
1636 }
|
|
|
1637
|
|
122
|
1638 if (!vv->not_found) {
|
|
|
1639 text.data = vv->data;
|
|
|
1640 text.len = vv->len;
|
|
|
1641 value = &text;
|
|
102
|
1642 }
|
|
50
|
1643 }
|
|
46
|
1644
|
|
102
|
1645 if (value == NULL) {
|
|
48
|
1646 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
1647
|
|
|
1648 if (value == NULL) {
|
|
|
1649 value = &ngx_http_ssi_none;
|
|
|
1650
|
|
|
1651 } else if (value->len == 0) {
|
|
|
1652 return NGX_OK;
|
|
|
1653 }
|
|
|
1654
|
|
|
1655 } else {
|
|
|
1656 if (value->len == 0) {
|
|
|
1657 return NGX_OK;
|
|
|
1658 }
|
|
|
1659 }
|
|
|
1660
|
|
|
1661 b = ngx_calloc_buf(r->pool);
|
|
|
1662 if (b == NULL) {
|
|
|
1663 return NGX_HTTP_SSI_ERROR;
|
|
|
1664 }
|
|
|
1665
|
|
|
1666 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1667 if (cl == NULL) {
|
|
46
|
1668 return NGX_HTTP_SSI_ERROR;
|
|
|
1669 }
|
|
|
1670
|
|
|
1671 b->memory = 1;
|
|
|
1672 b->pos = value->data;
|
|
|
1673 b->last = value->data + value->len;
|
|
|
1674
|
|
|
1675 cl->buf = b;
|
|
|
1676 cl->next = NULL;
|
|
|
1677 *ctx->last_out = cl;
|
|
|
1678 ctx->last_out = &cl->next;
|
|
|
1679
|
|
|
1680 return NGX_OK;
|
|
|
1681 }
|
|
|
1682
|
|
|
1683
|
|
58
|
1684 static ngx_int_t
|
|
|
1685 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1686 ngx_str_t **params)
|
|
|
1687 {
|
|
|
1688 ngx_str_t *value;
|
|
|
1689
|
|
|
1690 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
1691
|
|
|
1692 if (value) {
|
|
138
|
1693 ctx->timefmt.len = value->len;
|
|
|
1694 ctx->timefmt.data = ngx_palloc(r->pool, value->len + 1);
|
|
|
1695 if (ctx->timefmt.data == NULL) {
|
|
|
1696 return NGX_HTTP_SSI_ERROR;
|
|
|
1697 }
|
|
|
1698
|
|
|
1699 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
1700 }
|
|
|
1701
|
|
96
|
1702 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
1703
|
|
|
1704 if (value) {
|
|
|
1705 ctx->errmsg = *value;
|
|
|
1706 }
|
|
|
1707
|
|
58
|
1708 return NGX_OK;
|
|
|
1709 }
|
|
|
1710
|
|
|
1711
|
|
|
1712 static ngx_int_t
|
|
102
|
1713 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
1714 ngx_str_t **params)
|
|
|
1715 {
|
|
102
|
1716 ngx_str_t *name, *value, *vv;
|
|
|
1717 ngx_http_ssi_var_t *var;
|
|
|
1718 ngx_http_ssi_ctx_t *mctx;
|
|
|
1719
|
|
|
1720 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1721
|
|
|
1722 if (mctx->variables.elts == NULL) {
|
|
|
1723 if (ngx_array_init(&mctx->variables, r->pool, 4,
|
|
|
1724 sizeof(ngx_http_ssi_var_t)) != NGX_OK)
|
|
|
1725 {
|
|
58
|
1726 return NGX_HTTP_SSI_ERROR;
|
|
|
1727 }
|
|
|
1728 }
|
|
|
1729
|
|
102
|
1730 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
1731 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
1732
|
|
|
1733 if (ngx_http_ssi_evaluate_string(r, ctx, value, 0) != NGX_OK) {
|
|
58
|
1734 return NGX_HTTP_SSI_ERROR;
|
|
|
1735 }
|
|
|
1736
|
|
102
|
1737 vv = ngx_http_ssi_get_variable(r, name);
|
|
|
1738
|
|
|
1739 if (vv) {
|
|
|
1740 *vv = *value;
|
|
|
1741 return NGX_OK;
|
|
|
1742 }
|
|
|
1743
|
|
|
1744 var = ngx_array_push(&mctx->variables);
|
|
|
1745 if (var == NULL) {
|
|
|
1746 return NGX_HTTP_SSI_ERROR;
|
|
|
1747 }
|
|
|
1748
|
|
|
1749 var->name = *name;
|
|
|
1750 var->value = *value;
|
|
|
1751
|
|
|
1752 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1753 "set: \"%V\"=\"%V\"", name, value);
|
|
|
1754
|
|
58
|
1755 return NGX_OK;
|
|
|
1756 }
|
|
|
1757
|
|
|
1758
|
|
|
1759 static ngx_int_t
|
|
|
1760 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1761 ngx_str_t **params)
|
|
|
1762 {
|
|
102
|
1763 u_char *p, *last;
|
|
|
1764 ngx_str_t *expr, left, right;
|
|
|
1765 ngx_int_t rc;
|
|
|
1766 ngx_uint_t negative, noregex;
|
|
100
|
1767 #if (NGX_PCRE)
|
|
102
|
1768 ngx_str_t err;
|
|
|
1769 ngx_regex_t *regex;
|
|
|
1770 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
100
|
1771 #endif
|
|
58
|
1772
|
|
|
1773 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
1774
|
|
102
|
1775 left.data = expr->data;
|
|
100
|
1776 last = expr->data + expr->len;
|
|
|
1777
|
|
102
|
1778 for (p = left.data; p < last; p++) {
|
|
100
|
1779 if (*p >= 'A' && *p <= 'Z') {
|
|
|
1780 *p |= 0x20;
|
|
|
1781 continue;
|
|
|
1782 }
|
|
58
|
1783
|
|
102
|
1784 if ((*p >= 'a' && *p <= 'z')
|
|
|
1785 || (*p >= '0' && *p <= '9')
|
|
122
|
1786 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
1787 || *p == '"' || *p == '\'')
|
|
102
|
1788 {
|
|
100
|
1789 continue;
|
|
|
1790 }
|
|
|
1791
|
|
|
1792 break;
|
|
|
1793 }
|
|
|
1794
|
|
102
|
1795 left.len = p - left.data;
|
|
100
|
1796
|
|
|
1797 while (p < last && *p == ' ') {
|
|
|
1798 p++;
|
|
58
|
1799 }
|
|
|
1800
|
|
102
|
1801 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1802 "left: \"%V\"", &left);
|
|
|
1803
|
|
|
1804 if (ngx_http_ssi_evaluate_string(r, ctx, &left, 0) != NGX_OK) {
|
|
58
|
1805 return NGX_HTTP_SSI_ERROR;
|
|
|
1806 }
|
|
|
1807
|
|
102
|
1808 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1809 "evaluted left: \"%V\"", &left);
|
|
|
1810
|
|
100
|
1811 if (p == last) {
|
|
102
|
1812 if (left.len) {
|
|
100
|
1813 ctx->output = 1;
|
|
|
1814
|
|
|
1815 } else {
|
|
|
1816 ctx->output = 0;
|
|
|
1817 }
|
|
|
1818
|
|
|
1819 return NGX_OK;
|
|
|
1820 }
|
|
|
1821
|
|
|
1822 if (p < last && *p == '=') {
|
|
|
1823 negative = 0;
|
|
|
1824 p++;
|
|
|
1825
|
|
|
1826 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
1827 negative = 1;
|
|
|
1828 p += 2;
|
|
|
1829
|
|
|
1830 } else {
|
|
|
1831 goto invalid_expression;
|
|
|
1832 }
|
|
|
1833
|
|
|
1834 while (p < last && *p == ' ') {
|
|
|
1835 p++;
|
|
|
1836 }
|
|
|
1837
|
|
|
1838 if (p < last && *p == '/') {
|
|
|
1839 if (*(last - 1) != '/') {
|
|
|
1840 goto invalid_expression;
|
|
|
1841 }
|
|
|
1842
|
|
|
1843 noregex = 0;
|
|
|
1844 last--;
|
|
|
1845 p++;
|
|
|
1846
|
|
|
1847 } else {
|
|
|
1848 noregex = 1;
|
|
|
1849 }
|
|
|
1850
|
|
|
1851 right.len = last - p;
|
|
|
1852 right.data = p;
|
|
|
1853
|
|
102
|
1854 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1855 "right: \"%V\"", &right);
|
|
|
1856
|
|
|
1857 if (ngx_http_ssi_evaluate_string(r, ctx, &right, 0) != NGX_OK) {
|
|
|
1858 return NGX_HTTP_SSI_ERROR;
|
|
100
|
1859 }
|
|
|
1860
|
|
102
|
1861 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1862 "evaluted right: \"%V\"", &right);
|
|
100
|
1863
|
|
|
1864 if (noregex) {
|
|
|
1865 if (left.len != right.len) {
|
|
|
1866 rc = -1;
|
|
|
1867
|
|
|
1868 } else {
|
|
|
1869 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
1870 }
|
|
|
1871
|
|
|
1872 } else {
|
|
|
1873 #if (NGX_PCRE)
|
|
|
1874 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
1875 err.data = errstr;
|
|
|
1876
|
|
|
1877 right.data[right.len] = '\0';
|
|
|
1878
|
|
|
1879 regex = ngx_regex_compile(&right, 0, r->pool, &err);
|
|
|
1880
|
|
|
1881 if (regex == NULL) {
|
|
|
1882 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s", err.data);
|
|
|
1883 return NGX_HTTP_SSI_ERROR;
|
|
|
1884 }
|
|
|
1885
|
|
|
1886 rc = ngx_regex_exec(regex, &left, NULL, 0);
|
|
|
1887
|
|
|
1888 if (rc != NGX_REGEX_NO_MATCHED && rc < 0) {
|
|
|
1889 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1890 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
|
1891 rc, &left, &right);
|
|
|
1892 return NGX_HTTP_SSI_ERROR;
|
|
|
1893 }
|
|
|
1894 #else
|
|
|
1895 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1896 "the using of the regex \"%V\" in SSI "
|
|
|
1897 "requires PCRE library", &right);
|
|
|
1898
|
|
|
1899 return NGX_HTTP_SSI_ERROR;
|
|
|
1900 #endif
|
|
|
1901 }
|
|
|
1902
|
|
|
1903 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
1904 ctx->output = 1;
|
|
|
1905
|
|
|
1906 } else {
|
|
|
1907 ctx->output = 0;
|
|
|
1908 }
|
|
|
1909
|
|
|
1910 return NGX_OK;
|
|
100
|
1911
|
|
|
1912 invalid_expression:
|
|
|
1913
|
|
|
1914 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1915 "invalid expression in \"%V\"", expr);
|
|
|
1916
|
|
|
1917 return NGX_HTTP_SSI_ERROR;
|
|
58
|
1918 }
|
|
|
1919
|
|
|
1920
|
|
|
1921 static ngx_int_t
|
|
|
1922 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1923 ngx_str_t **params)
|
|
|
1924 {
|
|
|
1925 ctx->output = !ctx->output;
|
|
|
1926
|
|
|
1927 return NGX_OK;
|
|
|
1928 }
|
|
|
1929
|
|
|
1930
|
|
|
1931 static ngx_int_t
|
|
|
1932 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1933 ngx_str_t **params)
|
|
|
1934 {
|
|
|
1935 ctx->output = 1;
|
|
|
1936
|
|
|
1937 return NGX_OK;
|
|
|
1938 }
|
|
|
1939
|
|
|
1940
|
|
122
|
1941 static ngx_int_t
|
|
|
1942 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
|
1943 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
1944 {
|
|
122
|
1945 ngx_http_ssi_ctx_t *ctx;
|
|
|
1946 ngx_time_t *tp;
|
|
|
1947 struct tm tm;
|
|
|
1948 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
1949
|
|
126
|
1950 v->valid = 1;
|
|
122
|
1951 v->no_cachable = 0;
|
|
|
1952 v->not_found = 0;
|
|
58
|
1953
|
|
112
|
1954 tp = ngx_timeofday();
|
|
|
1955
|
|
58
|
1956 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
1957
|
|
|
1958 if (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
1959 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's')
|
|
|
1960 {
|
|
122
|
1961 v->data = ngx_palloc(r->pool, NGX_TIME_T_LEN);
|
|
|
1962 if (v->data == NULL) {
|
|
|
1963 return NGX_ERROR;
|
|
58
|
1964 }
|
|
|
1965
|
|
122
|
1966 v->len = ngx_sprintf(v->data, "%T", tp->sec + (gmt ? 0 : tp->gmtoff))
|
|
|
1967 - v->data;
|
|
|
1968 return NGX_OK;
|
|
58
|
1969 }
|
|
|
1970
|
|
|
1971 if (gmt) {
|
|
112
|
1972 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
1973 } else {
|
|
112
|
1974 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
1975 }
|
|
|
1976
|
|
122
|
1977 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
1978 (char *) ctx->timefmt.data, &tm);
|
|
|
1979 if (v->len == 0) {
|
|
|
1980 return NGX_ERROR;
|
|
58
|
1981 }
|
|
|
1982
|
|
122
|
1983 v->data = ngx_palloc(r->pool, v->len);
|
|
|
1984 if (v->data == NULL) {
|
|
|
1985 return NGX_ERROR;
|
|
58
|
1986 }
|
|
|
1987
|
|
122
|
1988 ngx_memcpy(v->data, buf, v->len);
|
|
|
1989
|
|
|
1990 return NGX_OK;
|
|
58
|
1991 }
|
|
|
1992
|
|
|
1993
|
|
76
|
1994 static char *
|
|
|
1995 ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
1996 {
|
|
146
|
1997 ngx_http_ssi_loc_conf_t *slcf = conf;
|
|
76
|
1998
|
|
|
1999 ngx_str_t *value, *type;
|
|
|
2000 ngx_uint_t i;
|
|
|
2001
|
|
146
|
2002 if (slcf->types == NULL) {
|
|
|
2003 slcf->types = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
2004 if (slcf->types == NULL) {
|
|
76
|
2005 return NGX_CONF_ERROR;
|
|
|
2006 }
|
|
|
2007
|
|
146
|
2008 type = ngx_array_push(slcf->types);
|
|
76
|
2009 if (type == NULL) {
|
|
|
2010 return NGX_CONF_ERROR;
|
|
|
2011 }
|
|
|
2012
|
|
|
2013 type->len = sizeof("text/html") - 1;
|
|
|
2014 type->data = (u_char *) "text/html";
|
|
|
2015 }
|
|
|
2016
|
|
|
2017 value = cf->args->elts;
|
|
|
2018
|
|
|
2019 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
2020
|
|
|
2021 if (ngx_strcmp(value[i].data, "text/html") == 0) {
|
|
|
2022 continue;
|
|
|
2023 }
|
|
|
2024
|
|
146
|
2025 type = ngx_array_push(slcf->types);
|
|
76
|
2026 if (type == NULL) {
|
|
|
2027 return NGX_CONF_ERROR;
|
|
|
2028 }
|
|
|
2029
|
|
|
2030 type->len = value[i].len;
|
|
|
2031
|
|
|
2032 type->data = ngx_palloc(cf->pool, type->len + 1);
|
|
|
2033 if (type->data == NULL) {
|
|
|
2034 return NGX_CONF_ERROR;
|
|
|
2035 }
|
|
|
2036
|
|
|
2037 ngx_cpystrn(type->data, value[i].data, type->len + 1);
|
|
|
2038 }
|
|
|
2039
|
|
|
2040 return NGX_CONF_OK;
|
|
|
2041 }
|
|
|
2042
|
|
|
2043
|
|
58
|
2044 static ngx_int_t
|
|
146
|
2045 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2046 {
|
|
146
|
2047 ngx_int_t rc;
|
|
|
2048 ngx_http_variable_t *var, *v;
|
|
|
2049 ngx_http_ssi_command_t *cmd;
|
|
|
2050 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2051
|
|
|
2052 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2053 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2054 if (var == NULL) {
|
|
|
2055 return NGX_ERROR;
|
|
|
2056 }
|
|
|
2057
|
|
|
2058 var->handler = v->handler;
|
|
|
2059 var->data = v->data;
|
|
|
2060 }
|
|
|
2061
|
|
146
|
2062 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2063
|
|
|
2064 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2065 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2066 NGX_HASH_READONLY_KEY);
|
|
|
2067
|
|
|
2068 if (rc == NGX_OK) {
|
|
|
2069 continue;
|
|
|
2070 }
|
|
|
2071
|
|
|
2072 if (rc == NGX_BUSY) {
|
|
|
2073 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2074 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2075 }
|
|
|
2076
|
|
|
2077 return NGX_ERROR;
|
|
|
2078 }
|
|
|
2079
|
|
126
|
2080 return NGX_OK;
|
|
58
|
2081 }
|
|
|
2082
|
|
|
2083
|
|
46
|
2084 static void *
|
|
146
|
2085 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2086 {
|
|
|
2087 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2088
|
|
|
2089 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2090 if (smcf == NULL) {
|
|
|
2091 return NGX_CONF_ERROR;
|
|
|
2092 }
|
|
|
2093
|
|
|
2094 smcf->commands.pool = cf->pool;
|
|
|
2095 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2096
|
|
|
2097 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
|
2098 return NGX_CONF_ERROR;
|
|
|
2099 }
|
|
|
2100
|
|
|
2101 return smcf;
|
|
|
2102 }
|
|
|
2103
|
|
|
2104
|
|
|
2105 static char *
|
|
|
2106 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2107 {
|
|
|
2108 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2109
|
|
|
2110 ngx_hash_init_t hash;
|
|
|
2111
|
|
|
2112 hash.hash = &smcf->hash;
|
|
|
2113 hash.key = ngx_hash_key;
|
|
|
2114 hash.max_size = 1024;
|
|
|
2115 hash.bucket_size = ngx_cacheline_size;
|
|
|
2116 hash.name = "ssi_command_hash";
|
|
|
2117 hash.pool = cf->pool;
|
|
|
2118 hash.temp_pool = NULL;
|
|
|
2119
|
|
|
2120 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2121 smcf->commands.keys.nelts)
|
|
|
2122 != NGX_OK)
|
|
|
2123 {
|
|
|
2124 return NGX_CONF_ERROR;
|
|
|
2125 }
|
|
|
2126
|
|
|
2127 return NGX_CONF_OK;
|
|
|
2128 }
|
|
|
2129
|
|
|
2130
|
|
|
2131 static void *
|
|
46
|
2132 ngx_http_ssi_create_conf(ngx_conf_t *cf)
|
|
|
2133 {
|
|
146
|
2134 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2135
|
|
|
2136 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2137 if (slcf == NULL) {
|
|
46
|
2138 return NGX_CONF_ERROR;
|
|
|
2139 }
|
|
|
2140
|
|
76
|
2141 /*
|
|
|
2142 * set by ngx_pcalloc():
|
|
|
2143 *
|
|
|
2144 * conf->types = NULL;
|
|
|
2145 */
|
|
|
2146
|
|
146
|
2147 slcf->enable = NGX_CONF_UNSET;
|
|
|
2148 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2149 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2150
|
|
|
2151 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2152 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2153
|
|
|
2154 return slcf;
|
|
46
|
2155 }
|
|
|
2156
|
|
|
2157
|
|
|
2158 static char *
|
|
|
2159 ngx_http_ssi_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
2160 {
|
|
146
|
2161 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2162 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2163
|
|
76
|
2164 ngx_str_t *type;
|
|
|
2165
|
|
46
|
2166 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2167 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2168 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2169 prev->ignore_recycled_buffers, 0);
|
|
46
|
2170
|
|
|
2171 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2172 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2173
|
|
76
|
2174 if (conf->types == NULL) {
|
|
|
2175 if (prev->types == NULL) {
|
|
|
2176 conf->types = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
|
2177 if (conf->types == NULL) {
|
|
|
2178 return NGX_CONF_ERROR;
|
|
|
2179 }
|
|
|
2180
|
|
|
2181 type = ngx_array_push(conf->types);
|
|
|
2182 if (type == NULL) {
|
|
|
2183 return NGX_CONF_ERROR;
|
|
|
2184 }
|
|
|
2185
|
|
|
2186 type->len = sizeof("text/html") - 1;
|
|
|
2187 type->data = (u_char *) "text/html";
|
|
|
2188
|
|
|
2189 } else {
|
|
|
2190 conf->types = prev->types;
|
|
|
2191 }
|
|
|
2192 }
|
|
|
2193
|
|
46
|
2194 return NGX_CONF_OK;
|
|
|
2195 }
|
|
|
2196
|
|
|
2197
|
|
|
2198 static ngx_int_t
|
|
|
2199 ngx_http_ssi_filter_init(ngx_cycle_t *cycle)
|
|
|
2200 {
|
|
|
2201 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2202 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2203
|
|
|
2204 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2205 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2206
|
|
|
2207 return NGX_OK;
|
|
|
2208 }
|
