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comparison src/http/ngx_http_header_filter.c @ 176:c0552e5ab567

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nginx-0.0.1-2003-11-09-23:03:38 import; separate building
author Igor Sysoev <igor@sysoev.ru>
date Sun, 09 Nov 2003 20:03:38 +0000
parents 389d7ee9fa60
children 4db54fdbcbe7
comparison
equal deleted inserted replaced
175:e92c2c647c57 176:c0552e5ab567
88 88
89 89
90 static int ngx_http_header_filter(ngx_http_request_t *r) 90 static int ngx_http_header_filter(ngx_http_request_t *r)
91 { 91 {
92 int len, status, i; 92 int len, status, i;
93 char *p;
93 ngx_hunk_t *h; 94 ngx_hunk_t *h;
94 ngx_chain_t *ch; 95 ngx_chain_t *ln;
95 ngx_table_elt_t *header; 96 ngx_table_elt_t *header;
96 97
97 if (r->http_version < NGX_HTTP_VERSION_10) { 98 if (r->http_version < NGX_HTTP_VERSION_10) {
98 return NGX_OK; 99 return NGX_OK;
99 } 100 }
147 148
148 if (r->headers_out.date && r->headers_out.date->key.len) { 149 if (r->headers_out.date && r->headers_out.date->key.len) {
149 len += r->headers_out.date->key.len 150 len += r->headers_out.date->key.len
150 + r->headers_out.date->value.len + 2; 151 + r->headers_out.date->value.len + 2;
151 } else { 152 } else {
152 len += sizeof("Date: Mon, 28 Sep 1970 00:00:00 GMT" CRLF) - 1; 153 len += sizeof("Date: Mon, 28 Sep 1970 06:00:00 GMT" CRLF) - 1;
153 } 154 }
154 155
155 if (r->headers_out.content_length == NULL) { 156 if (r->headers_out.content_length == NULL) {
156 if (r->headers_out.content_length_n >= 0) { 157 if (r->headers_out.content_length_n >= 0) {
157 /* 2^64 */ 158 /* 2^64 */
172 if (r->headers_out.location 173 if (r->headers_out.location
173 && r->headers_out.location->value.len 174 && r->headers_out.location->value.len
174 && r->headers_out.location->value.data[0] == '/') 175 && r->headers_out.location->value.data[0] == '/')
175 { 176 {
176 r->headers_out.location->key.len = 0; 177 r->headers_out.location->key.len = 0;
177 len += sizeof("Location: http://") - 1, 178 len += sizeof("Location: http://") - 1
178 + r->server_name->len + r->headers_out.location->value.len + 2; 179 + r->server_name->len + r->headers_out.location->value.len + 2;
179 180
180 if (r->port != 80) { 181 if (r->port != 80) {
181 len += r->port_name->len; 182 len += r->port_name->len;
182 } 183 }
185 if (r->headers_out.last_modified && r->headers_out.last_modified->key.len) { 186 if (r->headers_out.last_modified && r->headers_out.last_modified->key.len) {
186 len += r->headers_out.last_modified->key.len 187 len += r->headers_out.last_modified->key.len
187 + r->headers_out.last_modified->value.len + 2; 188 + r->headers_out.last_modified->value.len + 2;
188 189
189 } else if (r->headers_out.last_modified_time != -1) { 190 } else if (r->headers_out.last_modified_time != -1) {
190 len += sizeof("Last-Modified: Mon, 28 Sep 1970 00:00:00 GMT" CRLF) - 1; 191 len += sizeof("Last-Modified: Mon, 28 Sep 1970 06:00:00 GMT" CRLF) - 1;
191 } 192 }
192 193
193 if (r->chunked) { 194 if (r->chunked) {
194 len += sizeof("Transfer-Encoding: chunked" CRLF) - 1; 195 len += sizeof("Transfer-Encoding: chunked" CRLF) - 1;
195 } 196 }
208 209
209 /* 2 is for ": " and 2 is for "\r\n" */ 210 /* 2 is for ": " and 2 is for "\r\n" */
210 len += header[i].key.len + 2 + header[i].value.len + 2; 211 len += header[i].key.len + 2 + header[i].value.len + 2;
211 } 212 }
212 213
213 ngx_test_null(h, ngx_create_temp_hunk(r->pool, len), NGX_ERROR); 214 if (!(h = ngx_create_temp_hunk(r->pool, len))) {
215 return NGX_ERROR;
216 }
214 217
215 /* "HTTP/1.x " */ 218 /* "HTTP/1.x " */
216 h->last = ngx_cpymem(h->last, "HTTP/1.1 ", sizeof("HTTP/1.x ") - 1); 219 h->last = ngx_cpymem(h->last, "HTTP/1.1 ", sizeof("HTTP/1.x ") - 1);
217 220
218 /* status line */ 221 /* status line */
230 h->last = ngx_cpymem(h->last, server_string, sizeof(server_string) - 1); 233 h->last = ngx_cpymem(h->last, server_string, sizeof(server_string) - 1);
231 } 234 }
232 235
233 if (!(r->headers_out.date && r->headers_out.date->key.len)) { 236 if (!(r->headers_out.date && r->headers_out.date->key.len)) {
234 h->last = ngx_cpymem(h->last, "Date: ", sizeof("Date: ") - 1); 237 h->last = ngx_cpymem(h->last, "Date: ", sizeof("Date: ") - 1);
235 h->last += ngx_http_get_time(h->last, time(NULL)); 238 #if (NGX_HTTP_LOG_ALL_HEADERS_OUT)
239 p = h->last;
240 #endif
241 h->last += ngx_http_get_time(h->last, ngx_time());
242
243 #if (NGX_HTTP_LOG_ALL_HEADERS_OUT)
244 r->headers_out.date = ngx_palloc(r->pool, sizeof(ngx_table_elt_t));
245 if (r->headers_out.date == NULL) {
246 return NGX_ERROR;
247 }
248
249 r->headers_out.date->key.len = 0;
250 r->headers_out.date->key.data = NULL;
251 r->headers_out.date->value.len = h->last - p;
252 r->headers_out.date->value.data = p;
253 #endif
254
236 *(h->last++) = CR; *(h->last++) = LF; 255 *(h->last++) = CR; *(h->last++) = LF;
237 } 256 }
238 257
239 if (r->headers_out.content_length == NULL) { 258 if (r->headers_out.content_length == NULL) {
240 if (r->headers_out.content_length_n >= 0) { 259 if (r->headers_out.content_length_n >= 0) {
260 #if (NGX_HTTP_LOG_ALL_HEADERS_OUT)
261 p = h->last + sizeof("Content-Length: ") - 1;
262 #endif
241 h->last += ngx_snprintf(h->last, /* 2^64 */ 263 h->last += ngx_snprintf(h->last, /* 2^64 */
242 sizeof("Content-Length: 18446744073709551616" CRLF), 264 sizeof("Content-Length: 18446744073709551616" CRLF),
243 "Content-Length: " OFF_FMT CRLF, 265 "Content-Length: " OFF_FMT CRLF,
244 r->headers_out.content_length_n); 266 r->headers_out.content_length_n);
267
268 #if (NGX_HTTP_LOG_ALL_HEADERS_OUT)
269 r->headers_out.content_length = ngx_palloc(r->pool,
270 sizeof(ngx_table_elt_t));
271 if (r->headers_out.content_length == NULL) {
272 return NGX_ERROR;
273 }
274
275 r->headers_out.content_length->key.len = 0;
276 r->headers_out.content_length->key.data = NULL;
277 r->headers_out.content_length->value.len = h->last - p - 2;
278 r->headers_out.content_length->value.data = p;
279 #endif
245 } 280 }
246 } 281 }
247 282
248 if (r->headers_out.content_type && r->headers_out.content_type->value.len) { 283 if (r->headers_out.content_type && r->headers_out.content_type->value.len) {
249 h->last = ngx_cpymem(h->last, "Content-Type: ", 284 h->last = ngx_cpymem(h->last, "Content-Type: ",
250 sizeof("Content-Type: ") - 1); 285 sizeof("Content-Type: ") - 1);
286 #if (NGX_HTTP_LOG_ALL_HEADERS_OUT)
287 p = h->last;
288 #endif
251 h->last = ngx_cpymem(h->last, r->headers_out.content_type->value.data, 289 h->last = ngx_cpymem(h->last, r->headers_out.content_type->value.data,
252 r->headers_out.content_type->value.len); 290 r->headers_out.content_type->value.len);
253 291
292 #if (NGX_HTTP_LOG_ALL_HEADERS_OUT)
254 if (r->headers_out.charset.len) { 293 if (r->headers_out.charset.len) {
255 h->last = ngx_cpymem(h->last, "; charset=", 294 h->last = ngx_cpymem(h->last, "; charset=",
256 sizeof("; charset=") - 1); 295 sizeof("; charset=") - 1);
257 h->last = ngx_cpymem(h->last, r->headers_out.charset.data, 296 h->last = ngx_cpymem(h->last, r->headers_out.charset.data,
258 r->headers_out.charset.len); 297 r->headers_out.charset.len);
298
299 r->headers_out.content_type->value.len = h->last - p;
300 r->headers_out.content_type->value.data = p;
301 #endif
259 } 302 }
260 303
261 *(h->last++) = CR; *(h->last++) = LF; 304 *(h->last++) = CR; *(h->last++) = LF;
262 } 305 }
263 306
264 if (r->headers_out.location 307 if (r->headers_out.location
265 && r->headers_out.location->value.len 308 && r->headers_out.location->value.len
266 && r->headers_out.location->value.data[0] == '/') 309 && r->headers_out.location->value.data[0] == '/')
267 { 310 {
311 p = h->last + sizeof("Location: ") - 1;
268 h->last = ngx_cpymem(h->last, "Location: http://", 312 h->last = ngx_cpymem(h->last, "Location: http://",
269 sizeof("Location: http://") - 1); 313 sizeof("Location: http://") - 1);
270 h->last = ngx_cpymem(h->last, r->server_name->data, 314 h->last = ngx_cpymem(h->last, r->server_name->data,
271 r->server_name->len); 315 r->server_name->len);
272 if (r->port != 80) { 316 if (r->port != 80) {
275 } 319 }
276 320
277 h->last = ngx_cpymem(h->last, r->headers_out.location->value.data, 321 h->last = ngx_cpymem(h->last, r->headers_out.location->value.data,
278 r->headers_out.location->value.len); 322 r->headers_out.location->value.len);
279 323
324 r->headers_out.location->value.len = h->last - p;
325 r->headers_out.location->value.data = p;
326
280 *(h->last++) = CR; *(h->last++) = LF; 327 *(h->last++) = CR; *(h->last++) = LF;
281 } 328 }
282 329
283 if (!(r->headers_out.last_modified && r->headers_out.last_modified->key.len) 330 if (!(r->headers_out.last_modified && r->headers_out.last_modified->key.len)
284 && r->headers_out.last_modified_time != -1) 331 && r->headers_out.last_modified_time != -1)
285 { 332 {
286 h->last = ngx_cpymem(h->last, "Last-Modified: ", 333 h->last = ngx_cpymem(h->last, "Last-Modified: ",
287 sizeof("Last-Modified: ") - 1); 334 sizeof("Last-Modified: ") - 1);
335 #if (NGX_HTTP_LOG_ALL_HEADERS_OUT)
336 p = h->last;
337 #endif
288 h->last += ngx_http_get_time(h->last, 338 h->last += ngx_http_get_time(h->last,
289 r->headers_out.last_modified_time); 339 r->headers_out.last_modified_time);
340
341 #if (NGX_HTTP_LOG_ALL_HEADERS_OUT)
342 r->headers_out.last_modified = ngx_palloc(r->pool,
343 sizeof(ngx_table_elt_t));
344 if (r->headers_out.last_modified == NULL) {
345 return NGX_ERROR;
346 }
347
348 r->headers_out.last_modified->key.len = 0;
349 r->headers_out.last_modified->key.data = NULL;
350 r->headers_out.last_modified->value.len = h->last - p;
351 r->headers_out.last_modified->value.data = p;
352 #endif
353
290 *(h->last++) = CR; *(h->last++) = LF; 354 *(h->last++) = CR; *(h->last++) = LF;
291 } 355 }
292 356
293 if (r->chunked) { 357 if (r->chunked) {
294 h->last = ngx_cpymem(h->last, "Transfer-Encoding: chunked" CRLF, 358 h->last = ngx_cpymem(h->last, "Transfer-Encoding: chunked" CRLF,
327 391
328 if (r->header_only) { 392 if (r->header_only) {
329 h->type |= NGX_HUNK_LAST; 393 h->type |= NGX_HUNK_LAST;
330 } 394 }
331 395
332 ngx_test_null(ch, ngx_palloc(r->pool, sizeof(ngx_chain_t)), NGX_ERROR); 396 if (!(ln = ngx_alloc_chain_link(r->pool))) {
333 397 return NGX_ERROR;
334 ch->hunk = h; 398 }
335 ch->next = NULL; 399
336 400 ln->hunk = h;
337 return ngx_http_write_filter(r, ch); 401 ln->next = NULL;
402
403 return ngx_http_write_filter(r, ln);
338 } 404 }
339 405
340 406
341 static int ngx_http_header_filter_init(ngx_cycle_t *cycle) 407 static int ngx_http_header_filter_init(ngx_cycle_t *cycle)
342 { 408 {