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