|
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
|
|
178
|
16 #define NGX_HTTP_SSI_ADD_ZERO 2
|
|
58
|
17
|
|
46
|
18
|
|
|
19 typedef struct {
|
|
146
|
20 ngx_flag_t enable;
|
|
|
21 ngx_flag_t silent_errors;
|
|
|
22 ngx_flag_t ignore_recycled_buffers;
|
|
|
23
|
|
|
24 ngx_array_t *types; /* array of ngx_str_t */
|
|
|
25
|
|
|
26 size_t min_file_chunk;
|
|
|
27 size_t value_len;
|
|
|
28 } ngx_http_ssi_loc_conf_t;
|
|
102
|
29
|
|
|
30
|
|
|
31 typedef struct {
|
|
146
|
32 ngx_str_t name;
|
|
160
|
33 ngx_uint_t key;
|
|
146
|
34 ngx_str_t value;
|
|
|
35 } ngx_http_ssi_var_t;
|
|
46
|
36
|
|
|
37
|
|
|
38 typedef enum {
|
|
|
39 ssi_start_state = 0,
|
|
|
40 ssi_tag_state,
|
|
|
41 ssi_comment0_state,
|
|
|
42 ssi_comment1_state,
|
|
|
43 ssi_sharp_state,
|
|
|
44 ssi_precommand_state,
|
|
|
45 ssi_command_state,
|
|
|
46 ssi_preparam_state,
|
|
|
47 ssi_param_state,
|
|
|
48 ssi_preequal_state,
|
|
|
49 ssi_prevalue_state,
|
|
|
50 ssi_double_quoted_value_state,
|
|
|
51 ssi_quoted_value_state,
|
|
|
52 ssi_quoted_symbol_state,
|
|
|
53 ssi_postparam_state,
|
|
|
54 ssi_comment_end0_state,
|
|
|
55 ssi_comment_end1_state,
|
|
|
56 ssi_error_state,
|
|
|
57 ssi_error_end0_state,
|
|
|
58 ssi_error_end1_state
|
|
|
59 } ngx_http_ssi_state_e;
|
|
|
60
|
|
|
61
|
|
58
|
62 static ngx_int_t ngx_http_ssi_output(ngx_http_request_t *r,
|
|
|
63 ngx_http_ssi_ctx_t *ctx);
|
|
46
|
64 static ngx_int_t ngx_http_ssi_parse(ngx_http_request_t *r,
|
|
|
65 ngx_http_ssi_ctx_t *ctx);
|
|
102
|
66 static ngx_str_t *ngx_http_ssi_get_variable(ngx_http_request_t *r,
|
|
160
|
67 ngx_str_t *name, ngx_uint_t key);
|
|
102
|
68 static ngx_int_t ngx_http_ssi_evaluate_string(ngx_http_request_t *r,
|
|
|
69 ngx_http_ssi_ctx_t *ctx, ngx_str_t *text, ngx_uint_t flags);
|
|
|
70
|
|
|
71 static ngx_int_t ngx_http_ssi_include(ngx_http_request_t *r,
|
|
|
72 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
46
|
73 static ngx_int_t ngx_http_ssi_echo(ngx_http_request_t *r,
|
|
|
74 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
58
|
75 static ngx_int_t ngx_http_ssi_config(ngx_http_request_t *r,
|
|
|
76 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
102
|
77 static ngx_int_t ngx_http_ssi_set(ngx_http_request_t *r,
|
|
58
|
78 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
|
79 static ngx_int_t ngx_http_ssi_if(ngx_http_request_t *r,
|
|
|
80 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
|
81 static ngx_int_t ngx_http_ssi_else(ngx_http_request_t *r,
|
|
|
82 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
|
83 static ngx_int_t ngx_http_ssi_endif(ngx_http_request_t *r,
|
|
|
84 ngx_http_ssi_ctx_t *ctx, ngx_str_t **params);
|
|
46
|
85
|
|
122
|
86 static ngx_int_t ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
|
87 ngx_http_variable_value_t *v, uintptr_t gmt);
|
|
58
|
88
|
|
76
|
89 static char *ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
|
90
|
|
146
|
91 static ngx_int_t ngx_http_ssi_preconfiguration(ngx_conf_t *cf);
|
|
|
92 static void *ngx_http_ssi_create_main_conf(ngx_conf_t *cf);
|
|
|
93 static char *ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf);
|
|
46
|
94 static void *ngx_http_ssi_create_conf(ngx_conf_t *cf);
|
|
|
95 static char *ngx_http_ssi_merge_conf(ngx_conf_t *cf,
|
|
|
96 void *parent, void *child);
|
|
|
97 static ngx_int_t ngx_http_ssi_filter_init(ngx_cycle_t *cycle);
|
|
|
98
|
|
|
99
|
|
|
100 static ngx_command_t ngx_http_ssi_filter_commands[] = {
|
|
|
101
|
|
|
102 { ngx_string("ssi"),
|
|
|
103 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
104 ngx_conf_set_flag_slot,
|
|
|
105 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
106 offsetof(ngx_http_ssi_loc_conf_t, enable),
|
|
46
|
107 NULL },
|
|
|
108
|
|
|
109 { ngx_string("ssi_silent_errors"),
|
|
|
110 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
111 ngx_conf_set_flag_slot,
|
|
|
112 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
113 offsetof(ngx_http_ssi_loc_conf_t, silent_errors),
|
|
46
|
114 NULL },
|
|
|
115
|
|
58
|
116 { ngx_string("ssi_ignore_recycled_buffers"),
|
|
|
117 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
118 ngx_conf_set_flag_slot,
|
|
|
119 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
120 offsetof(ngx_http_ssi_loc_conf_t, ignore_recycled_buffers),
|
|
58
|
121 NULL },
|
|
|
122
|
|
46
|
123 { ngx_string("ssi_min_file_chunk"),
|
|
|
124 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
125 ngx_conf_set_size_slot,
|
|
|
126 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
127 offsetof(ngx_http_ssi_loc_conf_t, min_file_chunk),
|
|
46
|
128 NULL },
|
|
|
129
|
|
138
|
130 { ngx_string("ssi_value_length"),
|
|
|
131 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG,
|
|
|
132 ngx_conf_set_size_slot,
|
|
|
133 NGX_HTTP_LOC_CONF_OFFSET,
|
|
146
|
134 offsetof(ngx_http_ssi_loc_conf_t, value_len),
|
|
138
|
135 NULL },
|
|
|
136
|
|
76
|
137 { ngx_string("ssi_types"),
|
|
|
138 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
|
|
|
139 ngx_http_ssi_types,
|
|
|
140 NGX_HTTP_LOC_CONF_OFFSET,
|
|
|
141 0,
|
|
|
142 NULL },
|
|
|
143
|
|
46
|
144 ngx_null_command
|
|
|
145 };
|
|
|
146
|
|
|
147
|
|
126
|
148
|
|
46
|
149 static ngx_http_module_t ngx_http_ssi_filter_module_ctx = {
|
|
146
|
150 ngx_http_ssi_preconfiguration, /* preconfiguration */
|
|
58
|
151 NULL, /* postconfiguration */
|
|
46
|
152
|
|
146
|
153 ngx_http_ssi_create_main_conf, /* create main configuration */
|
|
|
154 ngx_http_ssi_init_main_conf, /* init main configuration */
|
|
46
|
155
|
|
|
156 NULL, /* create server configuration */
|
|
|
157 NULL, /* merge server configuration */
|
|
|
158
|
|
|
159 ngx_http_ssi_create_conf, /* create location configuration */
|
|
|
160 ngx_http_ssi_merge_conf /* merge location configuration */
|
|
126
|
161 };
|
|
46
|
162
|
|
|
163
|
|
|
164 ngx_module_t ngx_http_ssi_filter_module = {
|
|
58
|
165 NGX_MODULE_V1,
|
|
46
|
166 &ngx_http_ssi_filter_module_ctx, /* module context */
|
|
|
167 ngx_http_ssi_filter_commands, /* module directives */
|
|
|
168 NGX_HTTP_MODULE, /* module type */
|
|
90
|
169 NULL, /* init master */
|
|
46
|
170 ngx_http_ssi_filter_init, /* init module */
|
|
90
|
171 NULL, /* init process */
|
|
|
172 NULL, /* init thread */
|
|
|
173 NULL, /* exit thread */
|
|
|
174 NULL, /* exit process */
|
|
|
175 NULL, /* exit master */
|
|
|
176 NGX_MODULE_V1_PADDING
|
|
46
|
177 };
|
|
|
178
|
|
|
179
|
|
118
|
180 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
|
|
|
181 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
|
|
46
|
182
|
|
|
183
|
|
|
184 static u_char ngx_http_ssi_string[] = "<!--";
|
|
|
185
|
|
|
186 static ngx_str_t ngx_http_ssi_none = ngx_string("(none)");
|
|
|
187
|
|
102
|
188 #define NGX_HTTP_SSI_INCLUDE_VIRTUAL 0
|
|
|
189 #define NGX_HTTP_SSI_INCLUDE_FILE 1
|
|
46
|
190
|
|
58
|
191 #define NGX_HTTP_SSI_ECHO_VAR 0
|
|
|
192 #define NGX_HTTP_SSI_ECHO_DEFAULT 1
|
|
|
193
|
|
96
|
194 #define NGX_HTTP_SSI_CONFIG_ERRMSG 0
|
|
|
195 #define NGX_HTTP_SSI_CONFIG_TIMEFMT 1
|
|
58
|
196
|
|
102
|
197 #define NGX_HTTP_SSI_SET_VAR 0
|
|
|
198 #define NGX_HTTP_SSI_SET_VALUE 1
|
|
58
|
199
|
|
|
200 #define NGX_HTTP_SSI_IF_EXPR 0
|
|
|
201
|
|
46
|
202
|
|
102
|
203 static ngx_http_ssi_param_t ngx_http_ssi_include_params[] = {
|
|
146
|
204 { ngx_string("virtual"), NGX_HTTP_SSI_INCLUDE_VIRTUAL, 0, 0 },
|
|
|
205 { ngx_string("file"), NGX_HTTP_SSI_INCLUDE_FILE, 0, 0 },
|
|
|
206 { ngx_null_string, 0, 0, 0 }
|
|
102
|
207 };
|
|
|
208
|
|
|
209
|
|
46
|
210 static ngx_http_ssi_param_t ngx_http_ssi_echo_params[] = {
|
|
146
|
211 { ngx_string("var"), NGX_HTTP_SSI_ECHO_VAR, 1, 0 },
|
|
|
212 { ngx_string("default"), NGX_HTTP_SSI_ECHO_DEFAULT, 0, 0 },
|
|
|
213 { ngx_null_string, 0, 0, 0 }
|
|
46
|
214 };
|
|
|
215
|
|
58
|
216
|
|
|
217 static ngx_http_ssi_param_t ngx_http_ssi_config_params[] = {
|
|
146
|
218 { ngx_string("errmsg"), NGX_HTTP_SSI_CONFIG_ERRMSG, 0, 0 },
|
|
|
219 { ngx_string("timefmt"), NGX_HTTP_SSI_CONFIG_TIMEFMT, 0, 0 },
|
|
|
220 { ngx_null_string, 0, 0, 0 }
|
|
58
|
221 };
|
|
|
222
|
|
|
223
|
|
102
|
224 static ngx_http_ssi_param_t ngx_http_ssi_set_params[] = {
|
|
146
|
225 { ngx_string("var"), NGX_HTTP_SSI_SET_VAR, 1, 0 },
|
|
|
226 { ngx_string("value"), NGX_HTTP_SSI_SET_VALUE, 1, 0 },
|
|
|
227 { ngx_null_string, 0, 0, 0 }
|
|
102
|
228 };
|
|
|
229
|
|
|
230
|
|
58
|
231 static ngx_http_ssi_param_t ngx_http_ssi_if_params[] = {
|
|
146
|
232 { ngx_string("expr"), NGX_HTTP_SSI_IF_EXPR, 1, 0 },
|
|
|
233 { ngx_null_string, 0, 0, 0 }
|
|
58
|
234 };
|
|
|
235
|
|
|
236
|
|
|
237 static ngx_http_ssi_param_t ngx_http_ssi_no_params[] = {
|
|
146
|
238 { ngx_null_string, 0, 0, 0 }
|
|
58
|
239 };
|
|
|
240
|
|
46
|
241
|
|
|
242 static ngx_http_ssi_command_t ngx_http_ssi_commands[] = {
|
|
102
|
243 { ngx_string("include"), ngx_http_ssi_include,
|
|
|
244 ngx_http_ssi_include_params, 0, 1 },
|
|
58
|
245 { ngx_string("echo"), ngx_http_ssi_echo, ngx_http_ssi_echo_params, 0, 0 },
|
|
|
246 { ngx_string("config"), ngx_http_ssi_config,
|
|
|
247 ngx_http_ssi_config_params, 0, 0 },
|
|
102
|
248 { ngx_string("set"), ngx_http_ssi_set, ngx_http_ssi_set_params, 0, 0 },
|
|
58
|
249
|
|
|
250 { ngx_string("if"), ngx_http_ssi_if, ngx_http_ssi_if_params, 0, 0 },
|
|
178
|
251 { ngx_string("elif"), ngx_http_ssi_if, ngx_http_ssi_if_params,
|
|
|
252 NGX_HTTP_SSI_COND_IF, 0 },
|
|
|
253 { ngx_string("else"), ngx_http_ssi_else, ngx_http_ssi_no_params,
|
|
|
254 NGX_HTTP_SSI_COND_IF, 0 },
|
|
|
255 { ngx_string("endif"), ngx_http_ssi_endif, ngx_http_ssi_no_params,
|
|
|
256 NGX_HTTP_SSI_COND_ELSE, 0 },
|
|
58
|
257
|
|
|
258 { ngx_null_string, NULL, NULL, 0, 0 }
|
|
46
|
259 };
|
|
|
260
|
|
|
261
|
|
58
|
262 static ngx_http_variable_t ngx_http_ssi_vars[] = {
|
|
|
263
|
|
|
264 { ngx_string("date_local"), ngx_http_ssi_date_gmt_local_variable, 0,
|
|
82
|
265 NGX_HTTP_VAR_NOCACHABLE, 0 },
|
|
58
|
266
|
|
|
267 { ngx_string("date_gmt"), ngx_http_ssi_date_gmt_local_variable, 1,
|
|
82
|
268 NGX_HTTP_VAR_NOCACHABLE, 0 },
|
|
58
|
269
|
|
82
|
270 { ngx_null_string, NULL, 0, 0, 0 }
|
|
58
|
271 };
|
|
|
272
|
|
|
273
|
|
|
274
|
|
46
|
275 static ngx_int_t
|
|
|
276 ngx_http_ssi_header_filter(ngx_http_request_t *r)
|
|
|
277 {
|
|
146
|
278 ngx_uint_t i;
|
|
|
279 ngx_str_t *type;
|
|
|
280 ngx_http_ssi_ctx_t *ctx;
|
|
|
281 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
282
|
|
|
283 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
|
284
|
|
|
285 if (!slcf->enable
|
|
126
|
286 || r->headers_out.content_type.len == 0
|
|
|
287 || r->headers_out.content_length_n == 0)
|
|
46
|
288 {
|
|
|
289 return ngx_http_next_header_filter(r);
|
|
|
290 }
|
|
|
291
|
|
|
292
|
|
146
|
293 type = slcf->types->elts;
|
|
|
294 for (i = 0; i < slcf->types->nelts; i++) {
|
|
76
|
295 if (r->headers_out.content_type.len >= type[i].len
|
|
|
296 && ngx_strncasecmp(r->headers_out.content_type.data,
|
|
|
297 type[i].data, type[i].len) == 0)
|
|
|
298 {
|
|
|
299 goto found;
|
|
|
300 }
|
|
|
301 }
|
|
|
302
|
|
|
303 return ngx_http_next_header_filter(r);
|
|
|
304
|
|
|
305
|
|
|
306 found:
|
|
|
307
|
|
48
|
308 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_ssi_ctx_t));
|
|
|
309 if (ctx == NULL) {
|
|
46
|
310 return NGX_ERROR;
|
|
|
311 }
|
|
|
312
|
|
|
313 ngx_http_set_ctx(r, ctx, ngx_http_ssi_filter_module);
|
|
|
314
|
|
|
315
|
|
146
|
316 ctx->value_len = slcf->value_len;
|
|
46
|
317 ctx->last_out = &ctx->out;
|
|
|
318
|
|
58
|
319 ctx->output = 1;
|
|
|
320
|
|
46
|
321 ctx->params.elts = ctx->params_array;
|
|
|
322 ctx->params.size = sizeof(ngx_table_elt_t);
|
|
|
323 ctx->params.nalloc = NGX_HTTP_SSI_PARAMS_N;
|
|
|
324 ctx->params.pool = r->pool;
|
|
|
325
|
|
58
|
326 ctx->timefmt.len = sizeof("%A, %d-%b-%Y %H:%M:%S %Z") - 1;
|
|
|
327 ctx->timefmt.data = (u_char *) "%A, %d-%b-%Y %H:%M:%S %Z";
|
|
46
|
328
|
|
96
|
329 ctx->errmsg.len =
|
|
|
330 sizeof("[an error occurred while processing the directive]") - 1;
|
|
|
331 ctx->errmsg.data = (u_char *)
|
|
|
332 "[an error occurred while processing the directive]";
|
|
|
333
|
|
46
|
334 r->filter_need_in_memory = 1;
|
|
|
335
|
|
146
|
336 if (r == r->main) {
|
|
126
|
337 ngx_http_clear_content_length(r);
|
|
|
338 ngx_http_clear_last_modified(r);
|
|
58
|
339 }
|
|
|
340
|
|
46
|
341 return ngx_http_next_header_filter(r);
|
|
|
342 }
|
|
|
343
|
|
|
344
|
|
|
345 static ngx_int_t
|
|
|
346 ngx_http_ssi_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
|
|
|
347 {
|
|
146
|
348 ngx_int_t rc;
|
|
|
349 ngx_buf_t *b;
|
|
|
350 ngx_uint_t i, index;
|
|
|
351 ngx_chain_t *cl;
|
|
|
352 ngx_table_elt_t *param;
|
|
|
353 ngx_connection_t *c;
|
|
|
354 ngx_http_ssi_ctx_t *ctx;
|
|
|
355 ngx_http_ssi_param_t *prm;
|
|
|
356 ngx_http_ssi_command_t *cmd;
|
|
|
357 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
358 ngx_http_ssi_main_conf_t *smcf;
|
|
148
|
359 ngx_str_t *params[NGX_HTTP_SSI_MAX_PARAMS + 1];
|
|
46
|
360
|
|
|
361 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
362
|
|
48
|
363 if (ctx == NULL || (in == NULL && ctx->in == NULL && ctx->busy == NULL)) {
|
|
46
|
364 return ngx_http_next_body_filter(r, in);
|
|
|
365 }
|
|
|
366
|
|
|
367 /* add the incoming chain to the chain ctx->in */
|
|
|
368
|
|
|
369 if (in) {
|
|
|
370 if (ngx_chain_add_copy(r->pool, &ctx->in, in) == NGX_ERROR) {
|
|
|
371 return NGX_ERROR;
|
|
|
372 }
|
|
|
373 }
|
|
|
374
|
|
146
|
375 slcf = ngx_http_get_module_loc_conf(r, ngx_http_ssi_filter_module);
|
|
46
|
376
|
|
58
|
377 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
378 "http ssi filter \"%V\"", &r->uri);
|
|
46
|
379
|
|
48
|
380 while (ctx->in || ctx->buf) {
|
|
46
|
381
|
|
48
|
382 if (ctx->buf == NULL ){
|
|
|
383 ctx->buf = ctx->in->buf;
|
|
|
384 ctx->in = ctx->in->next;
|
|
|
385 ctx->pos = ctx->buf->pos;
|
|
|
386 }
|
|
46
|
387
|
|
|
388 if (ctx->state == ssi_start_state) {
|
|
|
389 ctx->copy_start = ctx->pos;
|
|
|
390 ctx->copy_end = ctx->pos;
|
|
|
391 }
|
|
|
392
|
|
48
|
393 b = NULL;
|
|
|
394
|
|
46
|
395 while (ctx->pos < ctx->buf->last) {
|
|
|
396
|
|
|
397 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
398 "saved: %d state: %d", ctx->saved, ctx->state);
|
|
|
399
|
|
|
400 rc = ngx_http_ssi_parse(r, ctx);
|
|
|
401
|
|
|
402 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
403 "parse: %d, looked: %d %p-%p",
|
|
|
404 rc, ctx->looked, ctx->copy_start, ctx->copy_end);
|
|
|
405
|
|
|
406 if (rc == NGX_ERROR) {
|
|
|
407 return rc;
|
|
|
408 }
|
|
|
409
|
|
|
410 if (ctx->copy_start != ctx->copy_end) {
|
|
|
411
|
|
58
|
412 if (ctx->output) {
|
|
|
413
|
|
|
414 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
415 "saved: %d", ctx->saved);
|
|
|
416
|
|
|
417 if (ctx->saved) {
|
|
|
418
|
|
|
419 if (ctx->free) {
|
|
|
420 cl = ctx->free;
|
|
|
421 ctx->free = ctx->free->next;
|
|
|
422 b = cl->buf;
|
|
|
423 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
46
|
424
|
|
58
|
425 } else {
|
|
|
426 b = ngx_calloc_buf(r->pool);
|
|
|
427 if (b == NULL) {
|
|
|
428 return NGX_ERROR;
|
|
|
429 }
|
|
|
430
|
|
|
431 cl = ngx_alloc_chain_link(r->pool);
|
|
|
432 if (cl == NULL) {
|
|
|
433 return NGX_ERROR;
|
|
|
434 }
|
|
|
435
|
|
|
436 cl->buf = b;
|
|
|
437 }
|
|
|
438
|
|
|
439 b->memory = 1;
|
|
|
440 b->pos = ngx_http_ssi_string;
|
|
|
441 b->last = ngx_http_ssi_string + ctx->saved;
|
|
|
442
|
|
|
443 *ctx->last_out = cl;
|
|
|
444 ctx->last_out = &cl->next;
|
|
|
445
|
|
|
446 ctx->saved = 0;
|
|
|
447 }
|
|
48
|
448
|
|
|
449 if (ctx->free) {
|
|
|
450 cl = ctx->free;
|
|
|
451 ctx->free = ctx->free->next;
|
|
|
452 b = cl->buf;
|
|
|
453
|
|
|
454 } else {
|
|
58
|
455 b = ngx_alloc_buf(r->pool);
|
|
48
|
456 if (b == NULL) {
|
|
|
457 return NGX_ERROR;
|
|
|
458 }
|
|
|
459
|
|
|
460 cl = ngx_alloc_chain_link(r->pool);
|
|
|
461 if (cl == NULL) {
|
|
|
462 return NGX_ERROR;
|
|
|
463 }
|
|
|
464
|
|
|
465 cl->buf = b;
|
|
46
|
466 }
|
|
|
467
|
|
58
|
468 ngx_memcpy(b, ctx->buf, sizeof(ngx_buf_t));
|
|
|
469
|
|
62
|
470 b->pos = ctx->copy_start;
|
|
|
471 b->last = ctx->copy_end;
|
|
|
472 b->shadow = NULL;
|
|
58
|
473 b->last_buf = 0;
|
|
|
474 b->recycled = 0;
|
|
46
|
475
|
|
58
|
476 if (b->in_file) {
|
|
146
|
477 if (slcf->min_file_chunk < (size_t) (b->last - b->pos))
|
|
58
|
478 {
|
|
|
479 b->file_last = b->file_pos + (b->last - b->start);
|
|
|
480 b->file_pos += b->pos - b->start;
|
|
|
481
|
|
|
482 } else {
|
|
|
483 b->in_file = 0;
|
|
|
484 }
|
|
|
485 }
|
|
|
486
|
|
|
487 cl->next = NULL;
|
|
46
|
488 *ctx->last_out = cl;
|
|
|
489 ctx->last_out = &cl->next;
|
|
|
490
|
|
58
|
491 } else {
|
|
46
|
492 ctx->saved = 0;
|
|
|
493 }
|
|
|
494 }
|
|
|
495
|
|
|
496 if (ctx->state == ssi_start_state) {
|
|
|
497 ctx->copy_start = ctx->pos;
|
|
|
498 ctx->copy_end = ctx->pos;
|
|
|
499
|
|
|
500 } else {
|
|
|
501 ctx->copy_start = NULL;
|
|
|
502 ctx->copy_end = NULL;
|
|
|
503 }
|
|
|
504
|
|
|
505 if (rc == NGX_AGAIN) {
|
|
|
506 continue;
|
|
|
507 }
|
|
|
508
|
|
|
509
|
|
122
|
510 b = NULL;
|
|
|
511
|
|
46
|
512 if (rc == NGX_OK) {
|
|
|
513
|
|
146
|
514 smcf = ngx_http_get_module_main_conf(r,
|
|
|
515 ngx_http_ssi_filter_module);
|
|
|
516
|
|
|
517 cmd = ngx_hash_find(&smcf->hash, ctx->key, ctx->command.data,
|
|
|
518 ctx->command.len);
|
|
|
519
|
|
|
520 if (cmd == NULL) {
|
|
|
521 if (ctx->output) {
|
|
|
522 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
523 "invalid SSI command: \"%V\"",
|
|
|
524 &ctx->command);
|
|
|
525 goto ssi_error;
|
|
46
|
526 }
|
|
|
527
|
|
146
|
528 continue;
|
|
46
|
529 }
|
|
|
530
|
|
178
|
531 if (cmd->conditional
|
|
|
532 && (ctx->conditional == 0
|
|
|
533 || ctx->conditional > cmd->conditional))
|
|
|
534 {
|
|
|
535 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
536 "invalid context of SSI command: \"%V\"",
|
|
|
537 &ctx->command);
|
|
|
538 goto ssi_error;
|
|
|
539 }
|
|
|
540
|
|
|
541 if (!ctx->output && cmd->conditional == 0) {
|
|
58
|
542 continue;
|
|
|
543 }
|
|
|
544
|
|
146
|
545 if (ctx->params.nelts > NGX_HTTP_SSI_MAX_PARAMS) {
|
|
|
546 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
547 "too many SSI command paramters: \"%V\"",
|
|
|
548 &ctx->command);
|
|
|
549 goto ssi_error;
|
|
|
550 }
|
|
|
551
|
|
46
|
552 ngx_memzero(params,
|
|
148
|
553 (NGX_HTTP_SSI_MAX_PARAMS + 1) * sizeof(ngx_str_t *));
|
|
46
|
554
|
|
|
555 param = ctx->params.elts;
|
|
|
556
|
|
|
557 for (i = 0; i < ctx->params.nelts; i++) {
|
|
|
558
|
|
|
559 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
560
|
|
|
561 if (param[i].key.len != prm->name.len
|
|
|
562 || ngx_strncmp(param[i].key.data, prm->name.data,
|
|
|
563 prm->name.len) != 0)
|
|
|
564 {
|
|
|
565 continue;
|
|
|
566 }
|
|
|
567
|
|
146
|
568 if (!prm->multiple) {
|
|
|
569 if (params[prm->index]) {
|
|
|
570 ngx_log_error(NGX_LOG_ERR,
|
|
|
571 r->connection->log, 0,
|
|
|
572 "duplicate \"%V\" parameter "
|
|
|
573 "in \"%V\" SSI command",
|
|
|
574 ¶m[i].key, &ctx->command);
|
|
|
575
|
|
|
576 goto ssi_error;
|
|
|
577 }
|
|
|
578
|
|
|
579 params[prm->index] = ¶m[i].value;
|
|
|
580
|
|
|
581 break;
|
|
46
|
582 }
|
|
|
583
|
|
146
|
584 for (index = prm->index; params[index]; index++) {
|
|
|
585 /* void */
|
|
|
586 }
|
|
|
587
|
|
|
588 params[index] = ¶m[i].value;
|
|
46
|
589
|
|
|
590 break;
|
|
|
591 }
|
|
|
592
|
|
|
593 if (prm->name.len == 0) {
|
|
|
594 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
595 "invalid parameter name: \"%V\" "
|
|
|
596 "in \"%V\" SSI command",
|
|
|
597 ¶m[i].key, &ctx->command);
|
|
|
598
|
|
|
599 goto ssi_error;
|
|
|
600 }
|
|
|
601 }
|
|
|
602
|
|
|
603 for (prm = cmd->params; prm->name.len; prm++) {
|
|
|
604 if (prm->mandatory && params[prm->index] == 0) {
|
|
|
605 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
606 "mandatory \"%V\" parameter is absent "
|
|
|
607 "in \"%V\" SSI command",
|
|
|
608 &prm->name, &ctx->command);
|
|
|
609
|
|
|
610 goto ssi_error;
|
|
|
611 }
|
|
|
612 }
|
|
|
613
|
|
58
|
614 if (cmd->flush && ctx->out) {
|
|
|
615 rc = ngx_http_ssi_output(r, ctx);
|
|
|
616
|
|
|
617 if (rc == NGX_ERROR) {
|
|
|
618 return NGX_ERROR;
|
|
|
619 }
|
|
|
620 }
|
|
|
621
|
|
118
|
622 c = r->connection;
|
|
|
623
|
|
|
624 rc = cmd->handler(r, ctx, params);
|
|
|
625
|
|
132
|
626 if (c->destroyed) {
|
|
118
|
627 return NGX_DONE;
|
|
|
628 }
|
|
|
629
|
|
|
630 if (rc == NGX_OK) {
|
|
46
|
631 continue;
|
|
|
632 }
|
|
132
|
633
|
|
|
634 if (rc == NGX_ERROR) {
|
|
|
635 return NGX_ERROR;
|
|
|
636 }
|
|
46
|
637 }
|
|
|
638
|
|
|
639
|
|
|
640 /* rc == NGX_HTTP_SSI_ERROR */
|
|
|
641
|
|
48
|
642 ssi_error:
|
|
46
|
643
|
|
146
|
644 if (slcf->silent_errors) {
|
|
46
|
645 continue;
|
|
|
646 }
|
|
|
647
|
|
48
|
648 if (ctx->free) {
|
|
|
649 cl = ctx->free;
|
|
|
650 ctx->free = ctx->free->next;
|
|
|
651 b = cl->buf;
|
|
|
652 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
653
|
|
|
654 } else {
|
|
|
655 b = ngx_calloc_buf(r->pool);
|
|
|
656 if (b == NULL) {
|
|
|
657 return NGX_ERROR;
|
|
|
658 }
|
|
|
659
|
|
|
660 cl = ngx_alloc_chain_link(r->pool);
|
|
|
661 if (cl == NULL) {
|
|
|
662 return NGX_ERROR;
|
|
|
663 }
|
|
|
664
|
|
|
665 cl->buf = b;
|
|
46
|
666 }
|
|
|
667
|
|
|
668 b->memory = 1;
|
|
96
|
669 b->pos = ctx->errmsg.data;
|
|
|
670 b->last = ctx->errmsg.data + ctx->errmsg.len;
|
|
46
|
671
|
|
|
672 cl->next = NULL;
|
|
|
673 *ctx->last_out = cl;
|
|
|
674 ctx->last_out = &cl->next;
|
|
|
675
|
|
|
676 continue;
|
|
|
677 }
|
|
|
678
|
|
58
|
679 if (ctx->buf->last_buf || ctx->buf->recycled) {
|
|
48
|
680 if (b == NULL) {
|
|
|
681 if (ctx->free) {
|
|
|
682 cl = ctx->free;
|
|
|
683 ctx->free = ctx->free->next;
|
|
|
684 b = cl->buf;
|
|
|
685 ngx_memzero(b, sizeof(ngx_buf_t));
|
|
|
686
|
|
|
687 } else {
|
|
|
688 b = ngx_calloc_buf(r->pool);
|
|
|
689 if (b == NULL) {
|
|
|
690 return NGX_ERROR;
|
|
|
691 }
|
|
46
|
692
|
|
48
|
693 cl = ngx_alloc_chain_link(r->pool);
|
|
|
694 if (cl == NULL) {
|
|
|
695 return NGX_ERROR;
|
|
|
696 }
|
|
|
697
|
|
|
698 cl->buf = b;
|
|
|
699 }
|
|
|
700
|
|
58
|
701 b->sync = 1;
|
|
|
702
|
|
48
|
703 cl->next = NULL;
|
|
|
704 *ctx->last_out = cl;
|
|
|
705 ctx->last_out = &cl->next;
|
|
|
706 }
|
|
|
707
|
|
|
708 b->last_buf = ctx->buf->last_buf;
|
|
|
709 b->shadow = ctx->buf;
|
|
58
|
710
|
|
146
|
711 if (slcf->ignore_recycled_buffers == 0) {
|
|
58
|
712 b->recycled = ctx->buf->recycled;
|
|
|
713 }
|
|
46
|
714 }
|
|
|
715
|
|
48
|
716 ctx->buf = NULL;
|
|
|
717
|
|
46
|
718 ctx->saved = ctx->looked;
|
|
|
719 }
|
|
|
720
|
|
48
|
721 if (ctx->out == NULL && ctx->busy == NULL) {
|
|
46
|
722 return NGX_OK;
|
|
|
723 }
|
|
|
724
|
|
58
|
725 return ngx_http_ssi_output(r, ctx);
|
|
|
726 }
|
|
|
727
|
|
|
728
|
|
|
729 static ngx_int_t
|
|
|
730 ngx_http_ssi_output(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
731 {
|
|
|
732 ngx_int_t rc;
|
|
|
733 ngx_buf_t *b;
|
|
|
734 ngx_chain_t *cl;
|
|
|
735
|
|
46
|
736 rc = ngx_http_next_body_filter(r, ctx->out);
|
|
|
737
|
|
48
|
738 if (ctx->busy == NULL) {
|
|
|
739 ctx->busy = ctx->out;
|
|
|
740
|
|
|
741 } else {
|
|
|
742 for (cl = ctx->busy; cl->next; cl = cl->next) { /* void */ }
|
|
|
743 cl->next = ctx->out;
|
|
|
744 }
|
|
|
745
|
|
46
|
746 ctx->out = NULL;
|
|
|
747 ctx->last_out = &ctx->out;
|
|
|
748
|
|
48
|
749 while (ctx->busy) {
|
|
|
750
|
|
|
751 b = ctx->busy->buf;
|
|
|
752
|
|
|
753 if (ngx_buf_size(b) != 0) {
|
|
|
754 break;
|
|
|
755 }
|
|
|
756
|
|
|
757 #if (NGX_HAVE_WRITE_ZEROCOPY)
|
|
|
758 if (b->zerocopy_busy) {
|
|
|
759 break;
|
|
|
760 }
|
|
|
761 #endif
|
|
|
762
|
|
|
763 if (b->shadow) {
|
|
|
764 b->shadow->pos = b->shadow->last;
|
|
|
765 }
|
|
|
766
|
|
|
767 cl = ctx->busy;
|
|
|
768 ctx->busy = cl->next;
|
|
|
769 cl->next = ctx->free;
|
|
|
770 ctx->free = cl;
|
|
|
771 }
|
|
|
772
|
|
46
|
773 return rc;
|
|
|
774 }
|
|
|
775
|
|
|
776
|
|
|
777 static ngx_int_t
|
|
|
778 ngx_http_ssi_parse(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx)
|
|
|
779 {
|
|
158
|
780 u_char *p, *value, *last, *copy_end, ch;
|
|
46
|
781 size_t looked;
|
|
|
782 ngx_http_ssi_state_e state;
|
|
|
783
|
|
|
784 state = ctx->state;
|
|
|
785 looked = ctx->looked;
|
|
|
786 last = ctx->buf->last;
|
|
|
787 copy_end = ctx->copy_end;
|
|
|
788
|
|
|
789 for (p = ctx->pos; p < last; p++) {
|
|
|
790
|
|
|
791 ch = *p;
|
|
|
792
|
|
|
793 if (state == ssi_start_state) {
|
|
|
794
|
|
|
795 /* the tight loop */
|
|
|
796
|
|
48
|
797 for ( ;; ) {
|
|
|
798 if (ch == '<') {
|
|
|
799 copy_end = p;
|
|
|
800 looked = 1;
|
|
|
801 state = ssi_tag_state;
|
|
|
802
|
|
|
803 goto tag_started;
|
|
46
|
804 }
|
|
|
805
|
|
48
|
806 if (++p == last) {
|
|
|
807 break;
|
|
|
808 }
|
|
46
|
809
|
|
48
|
810 ch = *p;
|
|
46
|
811 }
|
|
|
812
|
|
|
813 ctx->pos = p;
|
|
|
814 ctx->looked = looked;
|
|
|
815 ctx->copy_end = p;
|
|
|
816
|
|
|
817 if (ctx->copy_start == NULL) {
|
|
|
818 ctx->copy_start = ctx->buf->pos;
|
|
|
819 }
|
|
|
820
|
|
|
821 return NGX_AGAIN;
|
|
|
822
|
|
48
|
823 tag_started:
|
|
|
824
|
|
46
|
825 continue;
|
|
|
826 }
|
|
|
827
|
|
|
828 switch (state) {
|
|
|
829
|
|
|
830 case ssi_start_state:
|
|
|
831 break;
|
|
|
832
|
|
|
833 case ssi_tag_state:
|
|
|
834 switch (ch) {
|
|
|
835 case '!':
|
|
|
836 looked = 2;
|
|
|
837 state = ssi_comment0_state;
|
|
|
838 break;
|
|
|
839
|
|
|
840 case '<':
|
|
|
841 copy_end = p;
|
|
|
842 break;
|
|
|
843
|
|
|
844 default:
|
|
|
845 copy_end = p;
|
|
|
846 looked = 0;
|
|
|
847 state = ssi_start_state;
|
|
|
848 break;
|
|
|
849 }
|
|
|
850
|
|
|
851 break;
|
|
|
852
|
|
|
853 case ssi_comment0_state:
|
|
|
854 switch (ch) {
|
|
|
855 case '-':
|
|
|
856 looked = 3;
|
|
|
857 state = ssi_comment1_state;
|
|
|
858 break;
|
|
|
859
|
|
|
860 case '<':
|
|
|
861 copy_end = p;
|
|
|
862 looked = 1;
|
|
|
863 state = ssi_tag_state;
|
|
|
864 break;
|
|
|
865
|
|
|
866 default:
|
|
|
867 copy_end = p;
|
|
|
868 looked = 0;
|
|
|
869 state = ssi_start_state;
|
|
|
870 break;
|
|
|
871 }
|
|
|
872
|
|
|
873 break;
|
|
|
874
|
|
|
875 case ssi_comment1_state:
|
|
|
876 switch (ch) {
|
|
|
877 case '-':
|
|
|
878 looked = 4;
|
|
|
879 state = ssi_sharp_state;
|
|
|
880 break;
|
|
|
881
|
|
|
882 case '<':
|
|
|
883 copy_end = p;
|
|
|
884 looked = 1;
|
|
|
885 state = ssi_tag_state;
|
|
|
886 break;
|
|
|
887
|
|
|
888 default:
|
|
|
889 copy_end = p;
|
|
|
890 looked = 0;
|
|
|
891 state = ssi_start_state;
|
|
|
892 break;
|
|
|
893 }
|
|
|
894
|
|
|
895 break;
|
|
|
896
|
|
|
897 case ssi_sharp_state:
|
|
|
898 switch (ch) {
|
|
|
899 case '#':
|
|
|
900 if (ctx->copy_start) {
|
|
|
901 ctx->saved = 0;
|
|
|
902 }
|
|
|
903 looked = 0;
|
|
|
904 state = ssi_precommand_state;
|
|
|
905 break;
|
|
|
906
|
|
|
907 case '<':
|
|
|
908 copy_end = p;
|
|
|
909 looked = 1;
|
|
|
910 state = ssi_tag_state;
|
|
|
911 break;
|
|
|
912
|
|
|
913 default:
|
|
|
914 copy_end = p;
|
|
|
915 looked = 0;
|
|
|
916 state = ssi_start_state;
|
|
|
917 break;
|
|
|
918 }
|
|
|
919
|
|
|
920 break;
|
|
|
921
|
|
|
922 case ssi_precommand_state:
|
|
|
923 switch (ch) {
|
|
|
924 case ' ':
|
|
|
925 case CR:
|
|
|
926 case LF:
|
|
|
927 case '\t':
|
|
|
928 break;
|
|
|
929
|
|
|
930 default:
|
|
|
931 ctx->command.len = 1;
|
|
|
932 ctx->command.data = ngx_palloc(r->pool,
|
|
158
|
933 NGX_HTTP_SSI_COMMAND_LEN);
|
|
46
|
934 if (ctx->command.data == NULL) {
|
|
|
935 return NGX_ERROR;
|
|
|
936 }
|
|
|
937
|
|
|
938 ctx->command.data[0] = ch;
|
|
158
|
939
|
|
146
|
940 ctx->key = 0;
|
|
|
941 ctx->key = ngx_hash(ctx->key, ch);
|
|
|
942
|
|
46
|
943 ctx->params.nelts = 0;
|
|
178
|
944
|
|
46
|
945 state = ssi_command_state;
|
|
|
946 break;
|
|
|
947 }
|
|
|
948
|
|
|
949 break;
|
|
|
950
|
|
|
951 case ssi_command_state:
|
|
|
952 switch (ch) {
|
|
|
953 case ' ':
|
|
|
954 case CR:
|
|
|
955 case LF:
|
|
|
956 case '\t':
|
|
|
957 state = ssi_preparam_state;
|
|
|
958 break;
|
|
|
959
|
|
|
960 case '-':
|
|
|
961 state = ssi_comment_end0_state;
|
|
|
962 break;
|
|
|
963
|
|
|
964 default:
|
|
|
965 if (ctx->command.len == NGX_HTTP_SSI_COMMAND_LEN) {
|
|
|
966 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
967 "the \"%V%c...\" SSI command is too long",
|
|
|
968 &ctx->command, ch);
|
|
46
|
969
|
|
|
970 state = ssi_error_state;
|
|
|
971 break;
|
|
|
972 }
|
|
158
|
973
|
|
|
974 ctx->command.data[ctx->command.len++] = ch;
|
|
|
975 ctx->key = ngx_hash(ctx->key, ch);
|
|
46
|
976 }
|
|
|
977
|
|
|
978 break;
|
|
|
979
|
|
|
980 case ssi_preparam_state:
|
|
|
981 switch (ch) {
|
|
|
982 case ' ':
|
|
|
983 case CR:
|
|
|
984 case LF:
|
|
|
985 case '\t':
|
|
|
986 break;
|
|
|
987
|
|
|
988 case '-':
|
|
|
989 state = ssi_comment_end0_state;
|
|
|
990 break;
|
|
|
991
|
|
|
992 default:
|
|
48
|
993 ctx->param = ngx_array_push(&ctx->params);
|
|
|
994 if (ctx->param == NULL) {
|
|
46
|
995 return NGX_ERROR;
|
|
|
996 }
|
|
|
997
|
|
|
998 ctx->param->key.len = 1;
|
|
|
999 ctx->param->key.data = ngx_palloc(r->pool,
|
|
158
|
1000 NGX_HTTP_SSI_PARAM_LEN);
|
|
46
|
1001 if (ctx->param->key.data == NULL) {
|
|
|
1002 return NGX_ERROR;
|
|
|
1003 }
|
|
|
1004
|
|
|
1005 ctx->param->key.data[0] = ch;
|
|
|
1006
|
|
|
1007 ctx->param->value.len = 0;
|
|
158
|
1008
|
|
|
1009 if (ctx->value_buf == NULL) {
|
|
|
1010 ctx->param->value.data = ngx_palloc(r->pool,
|
|
|
1011 ctx->value_len);
|
|
|
1012 if (ctx->param->value.data == NULL) {
|
|
|
1013 return NGX_ERROR;
|
|
|
1014 }
|
|
|
1015
|
|
|
1016 } else {
|
|
|
1017 ctx->param->value.data = ctx->value_buf;
|
|
46
|
1018 }
|
|
|
1019
|
|
|
1020 state = ssi_param_state;
|
|
|
1021 break;
|
|
|
1022 }
|
|
|
1023
|
|
|
1024 break;
|
|
|
1025
|
|
|
1026 case ssi_param_state:
|
|
|
1027 switch (ch) {
|
|
|
1028 case ' ':
|
|
|
1029 case CR:
|
|
|
1030 case LF:
|
|
|
1031 case '\t':
|
|
|
1032 state = ssi_preequal_state;
|
|
|
1033 break;
|
|
|
1034
|
|
|
1035 case '=':
|
|
|
1036 state = ssi_prevalue_state;
|
|
|
1037 break;
|
|
|
1038
|
|
|
1039 case '-':
|
|
|
1040 state = ssi_error_end0_state;
|
|
|
1041
|
|
|
1042 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
|
1043 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1044 "invalid \"%V\" parameter in \"%V\" SSI command",
|
|
|
1045 &ctx->param->key, &ctx->command);
|
|
|
1046 break;
|
|
|
1047
|
|
|
1048 default:
|
|
|
1049 if (ctx->param->key.len == NGX_HTTP_SSI_PARAM_LEN) {
|
|
|
1050 state = ssi_error_state;
|
|
|
1051 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1052 "too long \"%V%c...\" parameter in "
|
|
46
|
1053 "\"%V\" SSI command",
|
|
158
|
1054 &ctx->param->key, ch, &ctx->command);
|
|
46
|
1055 break;
|
|
|
1056 }
|
|
158
|
1057
|
|
|
1058 ctx->param->key.data[ctx->param->key.len++] = ch;
|
|
46
|
1059 }
|
|
|
1060
|
|
|
1061 break;
|
|
|
1062
|
|
|
1063 case ssi_preequal_state:
|
|
|
1064 switch (ch) {
|
|
|
1065 case ' ':
|
|
|
1066 case CR:
|
|
|
1067 case LF:
|
|
|
1068 case '\t':
|
|
|
1069 break;
|
|
|
1070
|
|
|
1071 case '=':
|
|
|
1072 state = ssi_prevalue_state;
|
|
|
1073 break;
|
|
|
1074
|
|
|
1075 default:
|
|
|
1076 if (ch == '-') {
|
|
|
1077 state = ssi_error_end0_state;
|
|
|
1078 } else {
|
|
|
1079 state = ssi_error_state;
|
|
|
1080 }
|
|
|
1081
|
|
|
1082 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1083 "unexpected \"%c\" symbol after \"%V\" "
|
|
|
1084 "parameter in \"%V\" SSI command",
|
|
|
1085 ch, &ctx->param->key, &ctx->command);
|
|
|
1086 break;
|
|
|
1087 }
|
|
|
1088
|
|
|
1089 break;
|
|
|
1090
|
|
|
1091 case ssi_prevalue_state:
|
|
|
1092 switch (ch) {
|
|
|
1093 case ' ':
|
|
|
1094 case CR:
|
|
|
1095 case LF:
|
|
|
1096 case '\t':
|
|
|
1097 break;
|
|
|
1098
|
|
|
1099 case '"':
|
|
|
1100 state = ssi_double_quoted_value_state;
|
|
|
1101 break;
|
|
|
1102
|
|
|
1103 case '\'':
|
|
|
1104 state = ssi_quoted_value_state;
|
|
|
1105 break;
|
|
|
1106
|
|
|
1107 default:
|
|
|
1108 if (ch == '-') {
|
|
|
1109 state = ssi_error_end0_state;
|
|
|
1110 } else {
|
|
|
1111 state = ssi_error_state;
|
|
|
1112 }
|
|
|
1113
|
|
|
1114 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1115 "unexpected \"%c\" symbol before value of "
|
|
|
1116 "\"%V\" parameter in \"%V\" SSI command",
|
|
|
1117 ch, &ctx->param->key, &ctx->command);
|
|
|
1118 break;
|
|
|
1119 }
|
|
|
1120
|
|
|
1121 break;
|
|
|
1122
|
|
|
1123 case ssi_double_quoted_value_state:
|
|
|
1124 switch (ch) {
|
|
108
|
1125 case '"':
|
|
|
1126 state = ssi_postparam_state;
|
|
|
1127 break;
|
|
|
1128
|
|
46
|
1129 case '\\':
|
|
|
1130 ctx->saved_state = ssi_double_quoted_value_state;
|
|
|
1131 state = ssi_quoted_symbol_state;
|
|
108
|
1132
|
|
|
1133 /* fall through */
|
|
46
|
1134
|
|
|
1135 default:
|
|
|
1136 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1137 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1138 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1139 "parameter in \"%V\" SSI command",
|
|
|
1140 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1141 &ctx->command);
|
|
|
1142 state = ssi_error_state;
|
|
|
1143 break;
|
|
|
1144 }
|
|
158
|
1145
|
|
|
1146 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1147 }
|
|
|
1148
|
|
|
1149 break;
|
|
|
1150
|
|
|
1151 case ssi_quoted_value_state:
|
|
|
1152 switch (ch) {
|
|
108
|
1153 case '\'':
|
|
|
1154 state = ssi_postparam_state;
|
|
|
1155 break;
|
|
|
1156
|
|
46
|
1157 case '\\':
|
|
|
1158 ctx->saved_state = ssi_quoted_value_state;
|
|
|
1159 state = ssi_quoted_symbol_state;
|
|
108
|
1160
|
|
|
1161 /* fall through */
|
|
46
|
1162
|
|
|
1163 default:
|
|
|
1164 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1165 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
158
|
1166 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1167 "parameter in \"%V\" SSI command",
|
|
|
1168 &ctx->param->value, ch, &ctx->param->key,
|
|
46
|
1169 &ctx->command);
|
|
|
1170 state = ssi_error_state;
|
|
|
1171 break;
|
|
|
1172 }
|
|
158
|
1173
|
|
|
1174 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
46
|
1175 }
|
|
|
1176
|
|
|
1177 break;
|
|
|
1178
|
|
|
1179 case ssi_quoted_symbol_state:
|
|
108
|
1180 state = ctx->saved_state;
|
|
|
1181
|
|
|
1182 if (ch == '\\') {
|
|
|
1183 break;
|
|
|
1184 }
|
|
|
1185
|
|
|
1186 if (ch == '"' && state == ssi_double_quoted_value_state) {
|
|
122
|
1187 ctx->param->value.data[ctx->param->value.len - 1] = ch;
|
|
108
|
1188 break;
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 if (ch == '\'' && state == ssi_quoted_value_state) {
|
|
122
|
1192 ctx->param->value.data[ctx->param->value.len - 1] = ch;
|
|
108
|
1193 break;
|
|
|
1194 }
|
|
|
1195
|
|
158
|
1196 if (ctx->param->value.len == ctx->value_len) {
|
|
|
1197 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1198 "too long \"%V%c...\" value of \"%V\" "
|
|
|
1199 "parameter in \"%V\" SSI command",
|
|
|
1200 &ctx->param->value, ch, &ctx->param->key,
|
|
|
1201 &ctx->command);
|
|
|
1202 state = ssi_error_state;
|
|
|
1203 break;
|
|
|
1204 }
|
|
|
1205
|
|
46
|
1206 ctx->param->value.data[ctx->param->value.len++] = ch;
|
|
|
1207
|
|
|
1208 break;
|
|
|
1209
|
|
|
1210 case ssi_postparam_state:
|
|
158
|
1211
|
|
|
1212 if (ctx->param->value.len < ctx->value_len / 2) {
|
|
|
1213 value = ngx_palloc(r->pool, ctx->param->value.len);
|
|
|
1214 if (value == NULL) {
|
|
|
1215 return NGX_ERROR;
|
|
|
1216 }
|
|
|
1217
|
|
|
1218 ngx_memcpy(value, ctx->param->value.data,
|
|
|
1219 ctx->param->value.len);
|
|
|
1220
|
|
|
1221 ctx->value_buf = ctx->param->value.data;
|
|
|
1222 ctx->param->value.data = value;
|
|
|
1223
|
|
|
1224 } else {
|
|
|
1225 ctx->value_buf = NULL;
|
|
|
1226 }
|
|
|
1227
|
|
46
|
1228 switch (ch) {
|
|
|
1229 case ' ':
|
|
|
1230 case CR:
|
|
|
1231 case LF:
|
|
|
1232 case '\t':
|
|
|
1233 state = ssi_preparam_state;
|
|
|
1234 break;
|
|
|
1235
|
|
|
1236 case '-':
|
|
|
1237 state = ssi_comment_end0_state;
|
|
|
1238 break;
|
|
|
1239
|
|
|
1240 default:
|
|
|
1241 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1242 "unexpected \"%c\" symbol after \"%V\" value "
|
|
|
1243 "of \"%V\" parameter in \"%V\" SSI command",
|
|
|
1244 ch, &ctx->param->value, &ctx->param->key,
|
|
|
1245 &ctx->command);
|
|
|
1246 state = ssi_error_state;
|
|
|
1247 break;
|
|
|
1248 }
|
|
|
1249
|
|
|
1250 break;
|
|
|
1251
|
|
|
1252 case ssi_comment_end0_state:
|
|
|
1253 switch (ch) {
|
|
|
1254 case '-':
|
|
|
1255 state = ssi_comment_end1_state;
|
|
|
1256 break;
|
|
|
1257
|
|
|
1258 default:
|
|
|
1259 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1260 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1261 ch, &ctx->command);
|
|
|
1262 state = ssi_error_state;
|
|
|
1263 break;
|
|
|
1264 }
|
|
|
1265
|
|
|
1266 break;
|
|
|
1267
|
|
|
1268 case ssi_comment_end1_state:
|
|
|
1269 switch (ch) {
|
|
|
1270 case '>':
|
|
|
1271 ctx->state = ssi_start_state;
|
|
|
1272 ctx->pos = p + 1;
|
|
|
1273 ctx->looked = looked;
|
|
|
1274 ctx->copy_end = copy_end;
|
|
|
1275
|
|
|
1276 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1277 ctx->copy_start = ctx->buf->pos;
|
|
|
1278 }
|
|
|
1279
|
|
|
1280 return NGX_OK;
|
|
|
1281
|
|
|
1282 default:
|
|
|
1283 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1284 "unexpected \"%c\" symbol in \"%V\" SSI command",
|
|
|
1285 ch, &ctx->command);
|
|
|
1286 state = ssi_error_state;
|
|
|
1287 break;
|
|
|
1288 }
|
|
|
1289
|
|
|
1290 break;
|
|
|
1291
|
|
|
1292 case ssi_error_state:
|
|
|
1293 switch (ch) {
|
|
|
1294 case '-':
|
|
|
1295 state = ssi_error_end0_state;
|
|
|
1296 break;
|
|
|
1297
|
|
|
1298 default:
|
|
|
1299 break;
|
|
|
1300 }
|
|
|
1301
|
|
|
1302 break;
|
|
|
1303
|
|
|
1304 case ssi_error_end0_state:
|
|
|
1305 switch (ch) {
|
|
|
1306 case '-':
|
|
|
1307 state = ssi_error_end1_state;
|
|
|
1308 break;
|
|
|
1309
|
|
|
1310 default:
|
|
|
1311 state = ssi_error_state;
|
|
|
1312 break;
|
|
|
1313 }
|
|
|
1314
|
|
|
1315 break;
|
|
|
1316
|
|
|
1317 case ssi_error_end1_state:
|
|
|
1318 switch (ch) {
|
|
|
1319 case '>':
|
|
|
1320 ctx->state = ssi_start_state;
|
|
|
1321 ctx->pos = p + 1;
|
|
|
1322 ctx->looked = looked;
|
|
|
1323 ctx->copy_end = copy_end;
|
|
|
1324
|
|
|
1325 if (ctx->copy_start == NULL && copy_end) {
|
|
|
1326 ctx->copy_start = ctx->buf->pos;
|
|
|
1327 }
|
|
|
1328
|
|
|
1329 return NGX_HTTP_SSI_ERROR;
|
|
|
1330
|
|
|
1331 default:
|
|
|
1332 state = ssi_error_state;
|
|
|
1333 break;
|
|
|
1334 }
|
|
|
1335
|
|
|
1336 break;
|
|
|
1337 }
|
|
|
1338 }
|
|
|
1339
|
|
|
1340 ctx->state = state;
|
|
|
1341 ctx->pos = p;
|
|
|
1342 ctx->looked = looked;
|
|
|
1343
|
|
|
1344 ctx->copy_end = (state == ssi_start_state) ? p : copy_end;
|
|
|
1345
|
|
|
1346 if (ctx->copy_start == NULL && ctx->copy_end) {
|
|
|
1347 ctx->copy_start = ctx->buf->pos;
|
|
|
1348 }
|
|
|
1349
|
|
|
1350 return NGX_AGAIN;
|
|
|
1351 }
|
|
|
1352
|
|
|
1353
|
|
102
|
1354 static ngx_str_t *
|
|
160
|
1355 ngx_http_ssi_get_variable(ngx_http_request_t *r, ngx_str_t *name,
|
|
|
1356 ngx_uint_t key)
|
|
102
|
1357 {
|
|
|
1358 ngx_uint_t i;
|
|
|
1359 ngx_http_ssi_var_t *var;
|
|
|
1360 ngx_http_ssi_ctx_t *ctx;
|
|
|
1361
|
|
|
1362 ctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1363
|
|
|
1364 var = ctx->variables.elts;
|
|
|
1365 for (i = 0; i < ctx->variables.nelts; i++) {
|
|
|
1366 if (name->len != var[i].name.len) {
|
|
|
1367 continue;
|
|
|
1368 }
|
|
|
1369
|
|
160
|
1370 if (key != var[i].key) {
|
|
|
1371 continue;
|
|
|
1372 }
|
|
|
1373
|
|
|
1374 if (ngx_strncmp(name->data, var[i].name.data, name->len) == 0) {
|
|
102
|
1375 return &var[i].value;
|
|
|
1376 }
|
|
|
1377 }
|
|
|
1378
|
|
|
1379 return NULL;
|
|
|
1380 }
|
|
|
1381
|
|
|
1382
|
|
|
1383 static ngx_int_t
|
|
|
1384 ngx_http_ssi_evaluate_string(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1385 ngx_str_t *text, ngx_uint_t flags)
|
|
|
1386 {
|
|
122
|
1387 u_char ch, *p, **value, *data, *part_data;
|
|
|
1388 size_t *size, len, prefix, part_len;
|
|
|
1389 ngx_str_t var, *val;
|
|
160
|
1390 ngx_int_t key;
|
|
102
|
1391 ngx_uint_t i, j, n, bracket;
|
|
|
1392 ngx_array_t lengths, values;
|
|
|
1393 ngx_http_variable_value_t *vv;
|
|
|
1394
|
|
|
1395 n = ngx_http_script_variables_count(text);
|
|
|
1396
|
|
|
1397 if (n == 0) {
|
|
|
1398
|
|
|
1399 if (!(flags & NGX_HTTP_SSI_ADD_PREFIX)) {
|
|
|
1400 return NGX_OK;
|
|
|
1401 }
|
|
|
1402
|
|
|
1403 if (text->data[0] != '/') {
|
|
|
1404 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1405 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1406 break;
|
|
|
1407 }
|
|
|
1408 }
|
|
|
1409
|
|
|
1410 if (prefix) {
|
|
|
1411 len = prefix + text->len;
|
|
|
1412
|
|
|
1413 data = ngx_palloc(r->pool, len);
|
|
|
1414 if (data == NULL) {
|
|
|
1415 return NGX_ERROR;
|
|
|
1416 }
|
|
|
1417
|
|
122
|
1418 p = ngx_copy(data, r->uri.data, prefix);
|
|
102
|
1419 ngx_memcpy(p, text->data, text->len);
|
|
|
1420
|
|
|
1421 text->len = len;
|
|
|
1422 text->data = data;
|
|
|
1423 }
|
|
|
1424 }
|
|
|
1425
|
|
|
1426 return NGX_OK;
|
|
|
1427 }
|
|
|
1428
|
|
|
1429 if (ngx_array_init(&lengths, r->pool, 8, sizeof(size_t *)) != NGX_OK) {
|
|
|
1430 return NGX_ERROR;
|
|
|
1431 }
|
|
|
1432
|
|
|
1433 if (ngx_array_init(&values, r->pool, 8, sizeof(u_char *)) != NGX_OK) {
|
|
|
1434 return NGX_ERROR;
|
|
|
1435 }
|
|
|
1436
|
|
|
1437 len = 0;
|
|
|
1438 i = 0;
|
|
|
1439
|
|
|
1440 while (i < text->len) {
|
|
|
1441
|
|
|
1442 if (text->data[i] == '$') {
|
|
|
1443
|
|
|
1444 var.len = 0;
|
|
|
1445
|
|
|
1446 if (++i == text->len) {
|
|
|
1447 goto invalid_variable;
|
|
|
1448 }
|
|
|
1449
|
|
|
1450 if (text->data[i] == '{') {
|
|
|
1451 bracket = 1;
|
|
|
1452
|
|
|
1453 if (++i == text->len) {
|
|
|
1454 goto invalid_variable;
|
|
|
1455 }
|
|
|
1456
|
|
|
1457 var.data = &text->data[i];
|
|
|
1458
|
|
|
1459 } else {
|
|
|
1460 bracket = 0;
|
|
|
1461 var.data = &text->data[i];
|
|
|
1462 }
|
|
|
1463
|
|
|
1464 for ( /* void */ ; i < text->len; i++, var.len++) {
|
|
|
1465 ch = text->data[i];
|
|
|
1466
|
|
|
1467 if (ch == '}' && bracket) {
|
|
|
1468 i++;
|
|
|
1469 bracket = 0;
|
|
|
1470 break;
|
|
|
1471 }
|
|
|
1472
|
|
|
1473 if ((ch >= 'A' && ch <= 'Z')
|
|
|
1474 || (ch >= 'a' && ch <= 'z')
|
|
|
1475 || (ch >= '0' && ch <= '9')
|
|
|
1476 || ch == '_')
|
|
|
1477 {
|
|
|
1478 continue;
|
|
|
1479 }
|
|
|
1480
|
|
|
1481 break;
|
|
|
1482 }
|
|
|
1483
|
|
|
1484 if (bracket) {
|
|
|
1485 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1486 "the closing bracket in \"%V\" "
|
|
|
1487 "variable is missing", &var);
|
|
|
1488 return NGX_ERROR;
|
|
|
1489 }
|
|
|
1490
|
|
126
|
1491 if (var.len == 0) {
|
|
102
|
1492 goto invalid_variable;
|
|
|
1493 }
|
|
|
1494
|
|
160
|
1495 key = 0;
|
|
|
1496
|
|
102
|
1497 for (j = 0; j < var.len; j++) {
|
|
|
1498 var.data[j] = ngx_tolower(var.data[j]);
|
|
160
|
1499 key = ngx_hash(key, var.data[j]);
|
|
102
|
1500 }
|
|
|
1501
|
|
160
|
1502 val = ngx_http_ssi_get_variable(r, &var, key);
|
|
102
|
1503
|
|
|
1504 if (val == NULL) {
|
|
160
|
1505 vv = ngx_http_get_variable(r, &var, key);
|
|
102
|
1506
|
|
|
1507 if (vv == NULL) {
|
|
|
1508 return NGX_ERROR;
|
|
|
1509 }
|
|
|
1510
|
|
122
|
1511 if (vv->not_found) {
|
|
102
|
1512 continue;
|
|
|
1513 }
|
|
|
1514
|
|
122
|
1515 part_data = vv->data;
|
|
|
1516 part_len = vv->len;
|
|
102
|
1517
|
|
|
1518 } else {
|
|
122
|
1519 part_data = val->data;
|
|
|
1520 part_len = val->len;
|
|
102
|
1521 }
|
|
|
1522
|
|
|
1523 } else {
|
|
122
|
1524 part_data = &text->data[i];
|
|
|
1525
|
|
|
1526 for (p = part_data; i < text->len; i++) {
|
|
108
|
1527 ch = text->data[i];
|
|
|
1528
|
|
|
1529 if (ch == '$') {
|
|
|
1530 if (text->data[i - 1] != '\\') {
|
|
|
1531 break;
|
|
|
1532 }
|
|
|
1533
|
|
|
1534 *(p - 1) = ch;
|
|
|
1535
|
|
|
1536 continue;
|
|
|
1537 }
|
|
|
1538
|
|
|
1539 *p++ = ch;
|
|
102
|
1540 }
|
|
108
|
1541
|
|
122
|
1542 part_len = p - part_data;
|
|
102
|
1543 }
|
|
|
1544
|
|
122
|
1545 len += part_len;
|
|
102
|
1546
|
|
|
1547 size = ngx_array_push(&lengths);
|
|
|
1548 if (size == NULL) {
|
|
|
1549 return NGX_ERROR;
|
|
|
1550 }
|
|
|
1551
|
|
122
|
1552 *size = part_len;
|
|
102
|
1553
|
|
|
1554 value = ngx_array_push(&values);
|
|
|
1555 if (value == NULL) {
|
|
|
1556 return NGX_ERROR;
|
|
|
1557 }
|
|
|
1558
|
|
122
|
1559 *value = part_data;
|
|
102
|
1560 }
|
|
|
1561
|
|
|
1562 prefix = 0;
|
|
|
1563
|
|
|
1564 size = lengths.elts;
|
|
|
1565 value = values.elts;
|
|
|
1566
|
|
|
1567 if (flags & NGX_HTTP_SSI_ADD_PREFIX) {
|
|
|
1568 for (i = 0; i < values.nelts; i++) {
|
|
|
1569 if (size[i] != 0) {
|
|
|
1570 if (*value[i] != '/') {
|
|
|
1571 for (prefix = r->uri.len; prefix; prefix--) {
|
|
|
1572 if (r->uri.data[prefix - 1] == '/') {
|
|
|
1573 len += prefix;
|
|
|
1574 break;
|
|
|
1575 }
|
|
|
1576 }
|
|
|
1577 }
|
|
|
1578
|
|
|
1579 break;
|
|
|
1580 }
|
|
|
1581 }
|
|
|
1582 }
|
|
|
1583
|
|
178
|
1584 p = ngx_palloc(r->pool, len + ((flags & NGX_HTTP_SSI_ADD_ZERO) ? 1 : 0));
|
|
102
|
1585 if (p == NULL) {
|
|
|
1586 return NGX_ERROR;
|
|
|
1587 }
|
|
|
1588
|
|
|
1589 text->len = len;
|
|
|
1590 text->data = p;
|
|
|
1591
|
|
122
|
1592 p = ngx_copy(p, r->uri.data, prefix);
|
|
102
|
1593
|
|
|
1594 for (i = 0; i < values.nelts; i++) {
|
|
122
|
1595 p = ngx_copy(p, value[i], size[i]);
|
|
102
|
1596 }
|
|
|
1597
|
|
|
1598 return NGX_OK;
|
|
|
1599
|
|
|
1600 invalid_variable:
|
|
|
1601
|
|
|
1602 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1603 "invalid variable name in \"%V\"", text);
|
|
|
1604
|
|
|
1605 return NGX_ERROR;
|
|
|
1606 }
|
|
|
1607
|
|
|
1608
|
|
|
1609 static ngx_int_t
|
|
|
1610 ngx_http_ssi_include(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1611 ngx_str_t **params)
|
|
|
1612 {
|
|
|
1613 ngx_str_t *uri, *file, args;
|
|
122
|
1614 ngx_uint_t flags;
|
|
102
|
1615
|
|
|
1616 uri = params[NGX_HTTP_SSI_INCLUDE_VIRTUAL];
|
|
|
1617 file = params[NGX_HTTP_SSI_INCLUDE_FILE];
|
|
|
1618
|
|
|
1619 if (uri && file) {
|
|
|
1620 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1621 "inlcusion may be either virtual=\"%V\" or file=\"%V\"",
|
|
|
1622 uri, file);
|
|
|
1623 return NGX_HTTP_SSI_ERROR;
|
|
|
1624 }
|
|
|
1625
|
|
|
1626 if (uri == NULL && file == NULL) {
|
|
|
1627 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1628 "no parameter in \"include\" SSI command");
|
|
|
1629 return NGX_HTTP_SSI_ERROR;
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 if (uri == NULL) {
|
|
|
1633 uri = file;
|
|
|
1634 }
|
|
|
1635
|
|
|
1636 if (ngx_http_ssi_evaluate_string(r, ctx, uri, NGX_HTTP_SSI_ADD_PREFIX)
|
|
|
1637 != NGX_OK)
|
|
|
1638 {
|
|
|
1639 return NGX_HTTP_SSI_ERROR;
|
|
|
1640 }
|
|
|
1641
|
|
|
1642 args.len = 0;
|
|
|
1643 args.data = NULL;
|
|
122
|
1644 flags = 0;
|
|
|
1645
|
|
|
1646 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1647 "ssi include: \"%V\"", uri);
|
|
|
1648
|
|
|
1649 if (ngx_http_parse_unsafe_uri(r, uri, &args, &flags) != NGX_OK) {
|
|
|
1650 return NGX_HTTP_SSI_ERROR;
|
|
102
|
1651 }
|
|
|
1652
|
|
122
|
1653 if (ngx_http_subrequest(r, uri, &args, flags) != NGX_OK) {
|
|
102
|
1654 return NGX_HTTP_SSI_ERROR;
|
|
|
1655 }
|
|
|
1656
|
|
|
1657 return NGX_OK;
|
|
|
1658 }
|
|
|
1659
|
|
|
1660
|
|
46
|
1661 static ngx_int_t
|
|
|
1662 ngx_http_ssi_echo(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1663 ngx_str_t **params)
|
|
|
1664 {
|
|
160
|
1665 ngx_int_t key;
|
|
50
|
1666 ngx_uint_t i;
|
|
48
|
1667 ngx_buf_t *b;
|
|
122
|
1668 ngx_str_t *var, *value, text;
|
|
48
|
1669 ngx_chain_t *cl;
|
|
50
|
1670 ngx_http_variable_value_t *vv;
|
|
46
|
1671
|
|
|
1672 var = params[NGX_HTTP_SSI_ECHO_VAR];
|
|
|
1673
|
|
160
|
1674 key = 0;
|
|
|
1675
|
|
|
1676 for (i = 0; i < var->len; i++) {
|
|
|
1677 var->data[i] = ngx_tolower(var->data[i]);
|
|
|
1678 key = ngx_hash(key, var->data[i]);
|
|
|
1679 }
|
|
|
1680
|
|
|
1681 value = ngx_http_ssi_get_variable(r, var, key);
|
|
102
|
1682
|
|
|
1683 if (value == NULL) {
|
|
160
|
1684 vv = ngx_http_get_variable(r, var, key);
|
|
102
|
1685
|
|
|
1686 if (vv == NULL) {
|
|
|
1687 return NGX_HTTP_SSI_ERROR;
|
|
|
1688 }
|
|
|
1689
|
|
122
|
1690 if (!vv->not_found) {
|
|
|
1691 text.data = vv->data;
|
|
|
1692 text.len = vv->len;
|
|
|
1693 value = &text;
|
|
102
|
1694 }
|
|
50
|
1695 }
|
|
46
|
1696
|
|
102
|
1697 if (value == NULL) {
|
|
48
|
1698 value = params[NGX_HTTP_SSI_ECHO_DEFAULT];
|
|
|
1699
|
|
|
1700 if (value == NULL) {
|
|
|
1701 value = &ngx_http_ssi_none;
|
|
|
1702
|
|
|
1703 } else if (value->len == 0) {
|
|
|
1704 return NGX_OK;
|
|
|
1705 }
|
|
|
1706
|
|
|
1707 } else {
|
|
|
1708 if (value->len == 0) {
|
|
|
1709 return NGX_OK;
|
|
|
1710 }
|
|
|
1711 }
|
|
|
1712
|
|
|
1713 b = ngx_calloc_buf(r->pool);
|
|
|
1714 if (b == NULL) {
|
|
|
1715 return NGX_HTTP_SSI_ERROR;
|
|
|
1716 }
|
|
|
1717
|
|
|
1718 cl = ngx_alloc_chain_link(r->pool);
|
|
|
1719 if (cl == NULL) {
|
|
46
|
1720 return NGX_HTTP_SSI_ERROR;
|
|
|
1721 }
|
|
|
1722
|
|
|
1723 b->memory = 1;
|
|
|
1724 b->pos = value->data;
|
|
|
1725 b->last = value->data + value->len;
|
|
|
1726
|
|
|
1727 cl->buf = b;
|
|
|
1728 cl->next = NULL;
|
|
|
1729 *ctx->last_out = cl;
|
|
|
1730 ctx->last_out = &cl->next;
|
|
|
1731
|
|
|
1732 return NGX_OK;
|
|
|
1733 }
|
|
|
1734
|
|
|
1735
|
|
58
|
1736 static ngx_int_t
|
|
|
1737 ngx_http_ssi_config(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1738 ngx_str_t **params)
|
|
|
1739 {
|
|
|
1740 ngx_str_t *value;
|
|
|
1741
|
|
|
1742 value = params[NGX_HTTP_SSI_CONFIG_TIMEFMT];
|
|
|
1743
|
|
|
1744 if (value) {
|
|
138
|
1745 ctx->timefmt.len = value->len;
|
|
|
1746 ctx->timefmt.data = ngx_palloc(r->pool, value->len + 1);
|
|
|
1747 if (ctx->timefmt.data == NULL) {
|
|
|
1748 return NGX_HTTP_SSI_ERROR;
|
|
|
1749 }
|
|
|
1750
|
|
|
1751 ngx_cpystrn(ctx->timefmt.data, value->data, value->len + 1);
|
|
58
|
1752 }
|
|
|
1753
|
|
96
|
1754 value = params[NGX_HTTP_SSI_CONFIG_ERRMSG];
|
|
|
1755
|
|
|
1756 if (value) {
|
|
|
1757 ctx->errmsg = *value;
|
|
|
1758 }
|
|
|
1759
|
|
58
|
1760 return NGX_OK;
|
|
|
1761 }
|
|
|
1762
|
|
|
1763
|
|
|
1764 static ngx_int_t
|
|
102
|
1765 ngx_http_ssi_set(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
58
|
1766 ngx_str_t **params)
|
|
|
1767 {
|
|
160
|
1768 ngx_int_t key;
|
|
|
1769 ngx_uint_t i;
|
|
102
|
1770 ngx_str_t *name, *value, *vv;
|
|
|
1771 ngx_http_ssi_var_t *var;
|
|
|
1772 ngx_http_ssi_ctx_t *mctx;
|
|
|
1773
|
|
|
1774 mctx = ngx_http_get_module_ctx(r->main, ngx_http_ssi_filter_module);
|
|
|
1775
|
|
|
1776 if (mctx->variables.elts == NULL) {
|
|
|
1777 if (ngx_array_init(&mctx->variables, r->pool, 4,
|
|
|
1778 sizeof(ngx_http_ssi_var_t)) != NGX_OK)
|
|
|
1779 {
|
|
58
|
1780 return NGX_HTTP_SSI_ERROR;
|
|
|
1781 }
|
|
|
1782 }
|
|
|
1783
|
|
102
|
1784 name = params[NGX_HTTP_SSI_SET_VAR];
|
|
|
1785 value = params[NGX_HTTP_SSI_SET_VALUE];
|
|
|
1786
|
|
|
1787 if (ngx_http_ssi_evaluate_string(r, ctx, value, 0) != NGX_OK) {
|
|
58
|
1788 return NGX_HTTP_SSI_ERROR;
|
|
|
1789 }
|
|
|
1790
|
|
160
|
1791 key = 0;
|
|
|
1792
|
|
|
1793 for (i = 0; i < name->len; i++) {
|
|
|
1794 name->data[i] = ngx_tolower(name->data[i]);
|
|
|
1795 key = ngx_hash(key, name->data[i]);
|
|
|
1796 }
|
|
|
1797
|
|
|
1798 vv = ngx_http_ssi_get_variable(r, name, key);
|
|
102
|
1799
|
|
|
1800 if (vv) {
|
|
|
1801 *vv = *value;
|
|
|
1802 return NGX_OK;
|
|
|
1803 }
|
|
|
1804
|
|
|
1805 var = ngx_array_push(&mctx->variables);
|
|
|
1806 if (var == NULL) {
|
|
|
1807 return NGX_HTTP_SSI_ERROR;
|
|
|
1808 }
|
|
|
1809
|
|
|
1810 var->name = *name;
|
|
160
|
1811 var->key = key;
|
|
102
|
1812 var->value = *value;
|
|
|
1813
|
|
|
1814 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1815 "set: \"%V\"=\"%V\"", name, value);
|
|
|
1816
|
|
58
|
1817 return NGX_OK;
|
|
|
1818 }
|
|
|
1819
|
|
|
1820
|
|
|
1821 static ngx_int_t
|
|
|
1822 ngx_http_ssi_if(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
1823 ngx_str_t **params)
|
|
|
1824 {
|
|
102
|
1825 u_char *p, *last;
|
|
|
1826 ngx_str_t *expr, left, right;
|
|
|
1827 ngx_int_t rc;
|
|
178
|
1828 ngx_uint_t negative, noregex, flags;
|
|
100
|
1829 #if (NGX_PCRE)
|
|
102
|
1830 ngx_str_t err;
|
|
|
1831 ngx_regex_t *regex;
|
|
|
1832 u_char errstr[NGX_MAX_CONF_ERRSTR];
|
|
100
|
1833 #endif
|
|
58
|
1834
|
|
178
|
1835 if (ctx->command.len == 2) {
|
|
|
1836 if (ctx->conditional) {
|
|
|
1837 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
1838 "the \"if\" command inside the \"if\" command");
|
|
|
1839 return NGX_HTTP_SSI_ERROR;
|
|
|
1840 }
|
|
|
1841 }
|
|
|
1842
|
|
|
1843 if (ctx->output_chosen) {
|
|
|
1844 ctx->output = 0;
|
|
|
1845 return NGX_OK;
|
|
|
1846 }
|
|
|
1847
|
|
58
|
1848 expr = params[NGX_HTTP_SSI_IF_EXPR];
|
|
|
1849
|
|
102
|
1850 left.data = expr->data;
|
|
100
|
1851 last = expr->data + expr->len;
|
|
|
1852
|
|
102
|
1853 for (p = left.data; p < last; p++) {
|
|
100
|
1854 if (*p >= 'A' && *p <= 'Z') {
|
|
|
1855 *p |= 0x20;
|
|
|
1856 continue;
|
|
|
1857 }
|
|
58
|
1858
|
|
102
|
1859 if ((*p >= 'a' && *p <= 'z')
|
|
|
1860 || (*p >= '0' && *p <= '9')
|
|
122
|
1861 || *p == '$' || *p == '{' || *p == '}' || *p == '_'
|
|
|
1862 || *p == '"' || *p == '\'')
|
|
102
|
1863 {
|
|
100
|
1864 continue;
|
|
|
1865 }
|
|
|
1866
|
|
|
1867 break;
|
|
|
1868 }
|
|
|
1869
|
|
102
|
1870 left.len = p - left.data;
|
|
100
|
1871
|
|
|
1872 while (p < last && *p == ' ') {
|
|
|
1873 p++;
|
|
58
|
1874 }
|
|
|
1875
|
|
102
|
1876 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1877 "left: \"%V\"", &left);
|
|
|
1878
|
|
|
1879 if (ngx_http_ssi_evaluate_string(r, ctx, &left, 0) != NGX_OK) {
|
|
58
|
1880 return NGX_HTTP_SSI_ERROR;
|
|
|
1881 }
|
|
|
1882
|
|
102
|
1883 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1884 "evaluted left: \"%V\"", &left);
|
|
|
1885
|
|
100
|
1886 if (p == last) {
|
|
102
|
1887 if (left.len) {
|
|
100
|
1888 ctx->output = 1;
|
|
178
|
1889 ctx->output_chosen = 1;
|
|
100
|
1890
|
|
|
1891 } else {
|
|
|
1892 ctx->output = 0;
|
|
|
1893 }
|
|
|
1894
|
|
178
|
1895 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
1896
|
|
100
|
1897 return NGX_OK;
|
|
|
1898 }
|
|
|
1899
|
|
|
1900 if (p < last && *p == '=') {
|
|
|
1901 negative = 0;
|
|
|
1902 p++;
|
|
|
1903
|
|
|
1904 } else if (p + 1 < last && *p == '!' && *(p + 1) == '=') {
|
|
|
1905 negative = 1;
|
|
|
1906 p += 2;
|
|
|
1907
|
|
|
1908 } else {
|
|
|
1909 goto invalid_expression;
|
|
|
1910 }
|
|
|
1911
|
|
|
1912 while (p < last && *p == ' ') {
|
|
|
1913 p++;
|
|
|
1914 }
|
|
|
1915
|
|
|
1916 if (p < last && *p == '/') {
|
|
|
1917 if (*(last - 1) != '/') {
|
|
|
1918 goto invalid_expression;
|
|
|
1919 }
|
|
|
1920
|
|
|
1921 noregex = 0;
|
|
178
|
1922 flags = NGX_HTTP_SSI_ADD_ZERO;
|
|
100
|
1923 last--;
|
|
|
1924 p++;
|
|
|
1925
|
|
|
1926 } else {
|
|
|
1927 noregex = 1;
|
|
178
|
1928 flags = 0;
|
|
|
1929
|
|
|
1930 if (p < last - 1 && p[0] == '\\' && p[1] == '/') {
|
|
|
1931 p++;
|
|
|
1932 }
|
|
100
|
1933 }
|
|
|
1934
|
|
|
1935 right.len = last - p;
|
|
|
1936 right.data = p;
|
|
|
1937
|
|
102
|
1938 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1939 "right: \"%V\"", &right);
|
|
|
1940
|
|
178
|
1941 if (ngx_http_ssi_evaluate_string(r, ctx, &right, flags) != NGX_OK) {
|
|
102
|
1942 return NGX_HTTP_SSI_ERROR;
|
|
100
|
1943 }
|
|
|
1944
|
|
102
|
1945 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
|
|
|
1946 "evaluted right: \"%V\"", &right);
|
|
100
|
1947
|
|
|
1948 if (noregex) {
|
|
|
1949 if (left.len != right.len) {
|
|
|
1950 rc = -1;
|
|
|
1951
|
|
|
1952 } else {
|
|
|
1953 rc = ngx_strncmp(left.data, right.data, right.len);
|
|
|
1954 }
|
|
|
1955
|
|
|
1956 } else {
|
|
|
1957 #if (NGX_PCRE)
|
|
|
1958 err.len = NGX_MAX_CONF_ERRSTR;
|
|
|
1959 err.data = errstr;
|
|
|
1960
|
|
|
1961 right.data[right.len] = '\0';
|
|
|
1962
|
|
|
1963 regex = ngx_regex_compile(&right, 0, r->pool, &err);
|
|
|
1964
|
|
|
1965 if (regex == NULL) {
|
|
|
1966 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, "%s", err.data);
|
|
|
1967 return NGX_HTTP_SSI_ERROR;
|
|
|
1968 }
|
|
|
1969
|
|
|
1970 rc = ngx_regex_exec(regex, &left, NULL, 0);
|
|
|
1971
|
|
|
1972 if (rc != NGX_REGEX_NO_MATCHED && rc < 0) {
|
|
|
1973 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1974 ngx_regex_exec_n " failed: %d on \"%V\" using \"%V\"",
|
|
|
1975 rc, &left, &right);
|
|
|
1976 return NGX_HTTP_SSI_ERROR;
|
|
|
1977 }
|
|
|
1978 #else
|
|
|
1979 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0,
|
|
|
1980 "the using of the regex \"%V\" in SSI "
|
|
|
1981 "requires PCRE library", &right);
|
|
|
1982
|
|
|
1983 return NGX_HTTP_SSI_ERROR;
|
|
|
1984 #endif
|
|
|
1985 }
|
|
|
1986
|
|
|
1987 if ((rc == 0 && !negative) || (rc != 0 && negative)) {
|
|
58
|
1988 ctx->output = 1;
|
|
178
|
1989 ctx->output_chosen = 1;
|
|
58
|
1990
|
|
|
1991 } else {
|
|
|
1992 ctx->output = 0;
|
|
|
1993 }
|
|
|
1994
|
|
178
|
1995 ctx->conditional = NGX_HTTP_SSI_COND_IF;
|
|
|
1996
|
|
58
|
1997 return NGX_OK;
|
|
100
|
1998
|
|
|
1999 invalid_expression:
|
|
|
2000
|
|
|
2001 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0,
|
|
|
2002 "invalid expression in \"%V\"", expr);
|
|
|
2003
|
|
|
2004 return NGX_HTTP_SSI_ERROR;
|
|
58
|
2005 }
|
|
|
2006
|
|
|
2007
|
|
|
2008 static ngx_int_t
|
|
|
2009 ngx_http_ssi_else(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2010 ngx_str_t **params)
|
|
|
2011 {
|
|
178
|
2012 if (ctx->output_chosen) {
|
|
|
2013 ctx->output = 0;
|
|
|
2014 } else {
|
|
|
2015 ctx->output = 1;
|
|
|
2016 }
|
|
|
2017
|
|
|
2018 ctx->conditional = NGX_HTTP_SSI_COND_ELSE;
|
|
58
|
2019
|
|
|
2020 return NGX_OK;
|
|
|
2021 }
|
|
|
2022
|
|
|
2023
|
|
|
2024 static ngx_int_t
|
|
|
2025 ngx_http_ssi_endif(ngx_http_request_t *r, ngx_http_ssi_ctx_t *ctx,
|
|
|
2026 ngx_str_t **params)
|
|
|
2027 {
|
|
|
2028 ctx->output = 1;
|
|
178
|
2029 ctx->output_chosen = 0;
|
|
|
2030 ctx->conditional = 0;
|
|
58
|
2031
|
|
|
2032 return NGX_OK;
|
|
|
2033 }
|
|
|
2034
|
|
|
2035
|
|
122
|
2036 static ngx_int_t
|
|
|
2037 ngx_http_ssi_date_gmt_local_variable(ngx_http_request_t *r,
|
|
|
2038 ngx_http_variable_value_t *v, uintptr_t gmt)
|
|
58
|
2039 {
|
|
122
|
2040 ngx_http_ssi_ctx_t *ctx;
|
|
|
2041 ngx_time_t *tp;
|
|
|
2042 struct tm tm;
|
|
|
2043 char buf[NGX_HTTP_SSI_DATE_LEN];
|
|
|
2044
|
|
126
|
2045 v->valid = 1;
|
|
122
|
2046 v->no_cachable = 0;
|
|
|
2047 v->not_found = 0;
|
|
58
|
2048
|
|
112
|
2049 tp = ngx_timeofday();
|
|
|
2050
|
|
58
|
2051 ctx = ngx_http_get_module_ctx(r, ngx_http_ssi_filter_module);
|
|
|
2052
|
|
|
2053 if (ctx->timefmt.len == sizeof("%s") - 1
|
|
|
2054 && ctx->timefmt.data[0] == '%' && ctx->timefmt.data[1] == 's')
|
|
|
2055 {
|
|
122
|
2056 v->data = ngx_palloc(r->pool, NGX_TIME_T_LEN);
|
|
|
2057 if (v->data == NULL) {
|
|
|
2058 return NGX_ERROR;
|
|
58
|
2059 }
|
|
|
2060
|
|
122
|
2061 v->len = ngx_sprintf(v->data, "%T", tp->sec + (gmt ? 0 : tp->gmtoff))
|
|
|
2062 - v->data;
|
|
|
2063 return NGX_OK;
|
|
58
|
2064 }
|
|
|
2065
|
|
|
2066 if (gmt) {
|
|
112
|
2067 ngx_libc_gmtime(tp->sec, &tm);
|
|
58
|
2068 } else {
|
|
112
|
2069 ngx_libc_localtime(tp->sec, &tm);
|
|
58
|
2070 }
|
|
|
2071
|
|
122
|
2072 v->len = strftime(buf, NGX_HTTP_SSI_DATE_LEN,
|
|
|
2073 (char *) ctx->timefmt.data, &tm);
|
|
|
2074 if (v->len == 0) {
|
|
|
2075 return NGX_ERROR;
|
|
58
|
2076 }
|
|
|
2077
|
|
122
|
2078 v->data = ngx_palloc(r->pool, v->len);
|
|
|
2079 if (v->data == NULL) {
|
|
|
2080 return NGX_ERROR;
|
|
58
|
2081 }
|
|
|
2082
|
|
122
|
2083 ngx_memcpy(v->data, buf, v->len);
|
|
|
2084
|
|
|
2085 return NGX_OK;
|
|
58
|
2086 }
|
|
|
2087
|
|
|
2088
|
|
76
|
2089 static char *
|
|
|
2090 ngx_http_ssi_types(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
2091 {
|
|
146
|
2092 ngx_http_ssi_loc_conf_t *slcf = conf;
|
|
76
|
2093
|
|
|
2094 ngx_str_t *value, *type;
|
|
|
2095 ngx_uint_t i;
|
|
|
2096
|
|
146
|
2097 if (slcf->types == NULL) {
|
|
|
2098 slcf->types = ngx_array_create(cf->pool, 4, sizeof(ngx_str_t));
|
|
|
2099 if (slcf->types == NULL) {
|
|
76
|
2100 return NGX_CONF_ERROR;
|
|
|
2101 }
|
|
|
2102
|
|
146
|
2103 type = ngx_array_push(slcf->types);
|
|
76
|
2104 if (type == NULL) {
|
|
|
2105 return NGX_CONF_ERROR;
|
|
|
2106 }
|
|
|
2107
|
|
|
2108 type->len = sizeof("text/html") - 1;
|
|
|
2109 type->data = (u_char *) "text/html";
|
|
|
2110 }
|
|
|
2111
|
|
|
2112 value = cf->args->elts;
|
|
|
2113
|
|
|
2114 for (i = 1; i < cf->args->nelts; i++) {
|
|
|
2115
|
|
|
2116 if (ngx_strcmp(value[i].data, "text/html") == 0) {
|
|
|
2117 continue;
|
|
|
2118 }
|
|
|
2119
|
|
146
|
2120 type = ngx_array_push(slcf->types);
|
|
76
|
2121 if (type == NULL) {
|
|
|
2122 return NGX_CONF_ERROR;
|
|
|
2123 }
|
|
|
2124
|
|
|
2125 type->len = value[i].len;
|
|
|
2126
|
|
|
2127 type->data = ngx_palloc(cf->pool, type->len + 1);
|
|
|
2128 if (type->data == NULL) {
|
|
|
2129 return NGX_CONF_ERROR;
|
|
|
2130 }
|
|
|
2131
|
|
|
2132 ngx_cpystrn(type->data, value[i].data, type->len + 1);
|
|
|
2133 }
|
|
|
2134
|
|
|
2135 return NGX_CONF_OK;
|
|
|
2136 }
|
|
|
2137
|
|
|
2138
|
|
58
|
2139 static ngx_int_t
|
|
146
|
2140 ngx_http_ssi_preconfiguration(ngx_conf_t *cf)
|
|
58
|
2141 {
|
|
146
|
2142 ngx_int_t rc;
|
|
|
2143 ngx_http_variable_t *var, *v;
|
|
|
2144 ngx_http_ssi_command_t *cmd;
|
|
|
2145 ngx_http_ssi_main_conf_t *smcf;
|
|
58
|
2146
|
|
|
2147 for (v = ngx_http_ssi_vars; v->name.len; v++) {
|
|
|
2148 var = ngx_http_add_variable(cf, &v->name, v->flags);
|
|
|
2149 if (var == NULL) {
|
|
|
2150 return NGX_ERROR;
|
|
|
2151 }
|
|
|
2152
|
|
|
2153 var->handler = v->handler;
|
|
|
2154 var->data = v->data;
|
|
|
2155 }
|
|
|
2156
|
|
146
|
2157 smcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_ssi_filter_module);
|
|
|
2158
|
|
|
2159 for (cmd = ngx_http_ssi_commands; cmd->name.len; cmd++) {
|
|
|
2160 rc = ngx_hash_add_key(&smcf->commands, &cmd->name, cmd,
|
|
|
2161 NGX_HASH_READONLY_KEY);
|
|
|
2162
|
|
|
2163 if (rc == NGX_OK) {
|
|
|
2164 continue;
|
|
|
2165 }
|
|
|
2166
|
|
|
2167 if (rc == NGX_BUSY) {
|
|
|
2168 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
|
|
|
2169 "conflicting SSI command \"%V\"", &cmd->name);
|
|
|
2170 }
|
|
|
2171
|
|
|
2172 return NGX_ERROR;
|
|
|
2173 }
|
|
|
2174
|
|
126
|
2175 return NGX_OK;
|
|
58
|
2176 }
|
|
|
2177
|
|
|
2178
|
|
46
|
2179 static void *
|
|
146
|
2180 ngx_http_ssi_create_main_conf(ngx_conf_t *cf)
|
|
|
2181 {
|
|
|
2182 ngx_http_ssi_main_conf_t *smcf;
|
|
|
2183
|
|
|
2184 smcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_main_conf_t));
|
|
|
2185 if (smcf == NULL) {
|
|
|
2186 return NGX_CONF_ERROR;
|
|
|
2187 }
|
|
|
2188
|
|
|
2189 smcf->commands.pool = cf->pool;
|
|
|
2190 smcf->commands.temp_pool = cf->temp_pool;
|
|
|
2191
|
|
|
2192 if (ngx_hash_keys_array_init(&smcf->commands, NGX_HASH_SMALL) != NGX_OK) {
|
|
|
2193 return NGX_CONF_ERROR;
|
|
|
2194 }
|
|
|
2195
|
|
|
2196 return smcf;
|
|
|
2197 }
|
|
|
2198
|
|
|
2199
|
|
|
2200 static char *
|
|
|
2201 ngx_http_ssi_init_main_conf(ngx_conf_t *cf, void *conf)
|
|
|
2202 {
|
|
|
2203 ngx_http_ssi_main_conf_t *smcf = conf;
|
|
|
2204
|
|
|
2205 ngx_hash_init_t hash;
|
|
|
2206
|
|
|
2207 hash.hash = &smcf->hash;
|
|
|
2208 hash.key = ngx_hash_key;
|
|
|
2209 hash.max_size = 1024;
|
|
|
2210 hash.bucket_size = ngx_cacheline_size;
|
|
|
2211 hash.name = "ssi_command_hash";
|
|
|
2212 hash.pool = cf->pool;
|
|
|
2213 hash.temp_pool = NULL;
|
|
|
2214
|
|
|
2215 if (ngx_hash_init(&hash, smcf->commands.keys.elts,
|
|
|
2216 smcf->commands.keys.nelts)
|
|
|
2217 != NGX_OK)
|
|
|
2218 {
|
|
|
2219 return NGX_CONF_ERROR;
|
|
|
2220 }
|
|
|
2221
|
|
|
2222 return NGX_CONF_OK;
|
|
|
2223 }
|
|
|
2224
|
|
|
2225
|
|
|
2226 static void *
|
|
46
|
2227 ngx_http_ssi_create_conf(ngx_conf_t *cf)
|
|
|
2228 {
|
|
146
|
2229 ngx_http_ssi_loc_conf_t *slcf;
|
|
|
2230
|
|
|
2231 slcf = ngx_pcalloc(cf->pool, sizeof(ngx_http_ssi_loc_conf_t));
|
|
|
2232 if (slcf == NULL) {
|
|
46
|
2233 return NGX_CONF_ERROR;
|
|
|
2234 }
|
|
|
2235
|
|
76
|
2236 /*
|
|
|
2237 * set by ngx_pcalloc():
|
|
|
2238 *
|
|
|
2239 * conf->types = NULL;
|
|
|
2240 */
|
|
|
2241
|
|
146
|
2242 slcf->enable = NGX_CONF_UNSET;
|
|
|
2243 slcf->silent_errors = NGX_CONF_UNSET;
|
|
|
2244 slcf->ignore_recycled_buffers = NGX_CONF_UNSET;
|
|
|
2245
|
|
|
2246 slcf->min_file_chunk = NGX_CONF_UNSET_SIZE;
|
|
|
2247 slcf->value_len = NGX_CONF_UNSET_SIZE;
|
|
|
2248
|
|
|
2249 return slcf;
|
|
46
|
2250 }
|
|
|
2251
|
|
|
2252
|
|
|
2253 static char *
|
|
|
2254 ngx_http_ssi_merge_conf(ngx_conf_t *cf, void *parent, void *child)
|
|
|
2255 {
|
|
146
|
2256 ngx_http_ssi_loc_conf_t *prev = parent;
|
|
|
2257 ngx_http_ssi_loc_conf_t *conf = child;
|
|
46
|
2258
|
|
76
|
2259 ngx_str_t *type;
|
|
|
2260
|
|
46
|
2261 ngx_conf_merge_value(conf->enable, prev->enable, 0);
|
|
|
2262 ngx_conf_merge_value(conf->silent_errors, prev->silent_errors, 0);
|
|
58
|
2263 ngx_conf_merge_value(conf->ignore_recycled_buffers,
|
|
|
2264 prev->ignore_recycled_buffers, 0);
|
|
46
|
2265
|
|
|
2266 ngx_conf_merge_size_value(conf->min_file_chunk, prev->min_file_chunk, 1024);
|
|
|
2267 ngx_conf_merge_size_value(conf->value_len, prev->value_len, 256);
|
|
|
2268
|
|
76
|
2269 if (conf->types == NULL) {
|
|
|
2270 if (prev->types == NULL) {
|
|
|
2271 conf->types = ngx_array_create(cf->pool, 1, sizeof(ngx_str_t));
|
|
|
2272 if (conf->types == NULL) {
|
|
|
2273 return NGX_CONF_ERROR;
|
|
|
2274 }
|
|
|
2275
|
|
|
2276 type = ngx_array_push(conf->types);
|
|
|
2277 if (type == NULL) {
|
|
|
2278 return NGX_CONF_ERROR;
|
|
|
2279 }
|
|
|
2280
|
|
|
2281 type->len = sizeof("text/html") - 1;
|
|
|
2282 type->data = (u_char *) "text/html";
|
|
|
2283
|
|
|
2284 } else {
|
|
|
2285 conf->types = prev->types;
|
|
|
2286 }
|
|
|
2287 }
|
|
|
2288
|
|
46
|
2289 return NGX_CONF_OK;
|
|
|
2290 }
|
|
|
2291
|
|
|
2292
|
|
|
2293 static ngx_int_t
|
|
|
2294 ngx_http_ssi_filter_init(ngx_cycle_t *cycle)
|
|
|
2295 {
|
|
|
2296 ngx_http_next_header_filter = ngx_http_top_header_filter;
|
|
|
2297 ngx_http_top_header_filter = ngx_http_ssi_header_filter;
|
|
|
2298
|
|
|
2299 ngx_http_next_body_filter = ngx_http_top_body_filter;
|
|
|
2300 ngx_http_top_body_filter = ngx_http_ssi_body_filter;
|
|
|
2301
|
|
|
2302 return NGX_OK;
|
|
|
2303 }
|
