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da2b3a17 | 1 | |
30a4f2a8 | 2 | /* |
3900307b | 3 | * $Id: http.cc,v 1.515 2007/04/21 07:14:14 wessels Exp $ |
30a4f2a8 | 4 | * |
5 | * DEBUG: section 11 Hypertext Transfer Protocol (HTTP) | |
6 | * AUTHOR: Harvest Derived | |
7 | * | |
2b6662ba | 8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 9 | * ---------------------------------------------------------- |
30a4f2a8 | 10 | * |
2b6662ba | 11 | * Squid is the result of efforts by numerous individuals from |
12 | * the Internet community; see the CONTRIBUTORS file for full | |
13 | * details. Many organizations have provided support for Squid's | |
14 | * development; see the SPONSORS file for full details. Squid is | |
15 | * Copyrighted (C) 2001 by the Regents of the University of | |
16 | * California; see the COPYRIGHT file for full details. Squid | |
17 | * incorporates software developed and/or copyrighted by other | |
18 | * sources; see the CREDITS file for full details. | |
30a4f2a8 | 19 | * |
20 | * This program is free software; you can redistribute it and/or modify | |
21 | * it under the terms of the GNU General Public License as published by | |
22 | * the Free Software Foundation; either version 2 of the License, or | |
23 | * (at your option) any later version. | |
24 | * | |
25 | * This program is distributed in the hope that it will be useful, | |
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | * GNU General Public License for more details. | |
29 | * | |
30 | * You should have received a copy of the GNU General Public License | |
31 | * along with this program; if not, write to the Free Software | |
cbdec147 | 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 33 | * |
30a4f2a8 | 34 | */ |
019dd986 | 35 | |
4a83b852 | 36 | /* |
37 | * Anonymizing patch by lutz@as-node.jena.thur.de | |
de3bdb4c | 38 | * have a look into http-anon.c to get more informations. |
4a83b852 | 39 | */ |
40 | ||
44a47c6e | 41 | #include "squid.h" |
aa839030 | 42 | #include "errorpage.h" |
0eb49b6d | 43 | #include "MemBuf.h" |
e6ccf245 | 44 | #include "http.h" |
f5691f9c | 45 | #include "AuthUserRequest.h" |
e6ccf245 | 46 | #include "Store.h" |
528b2c61 | 47 | #include "HttpReply.h" |
48 | #include "HttpRequest.h" | |
49 | #include "MemObject.h" | |
50 | #include "HttpHdrContRange.h" | |
b19dd748 | 51 | #include "HttpHdrSc.h" |
52 | #include "HttpHdrScTarget.h" | |
4fb35c3c | 53 | #include "ACLChecklist.h" |
21b92762 | 54 | #include "fde.h" |
b67e2c8c | 55 | #if DELAY_POOLS |
56 | #include "DelayPools.h" | |
57 | #endif | |
2afaba07 | 58 | #if ICAP_CLIENT |
2afaba07 | 59 | #include "ICAP/ICAPConfig.h" |
ab7ac359 | 60 | extern ICAPConfig TheICAPConfig; |
2afaba07 | 61 | #endif |
985c86bc | 62 | #include "SquidTime.h" |
e6ccf245 | 63 | |
2afaba07 | 64 | CBDATA_CLASS_INIT(HttpStateData); |
090089c4 | 65 | |
6bf8443a | 66 | static const char *const crlf = "\r\n"; |
4db43fab | 67 | |
9e4ad609 | 68 | static PF httpStateFree; |
69 | static PF httpTimeout; | |
f9cece6e | 70 | static void httpMaybeRemovePublic(StoreEntry *, http_status); |
190154cf | 71 | static void copyOneHeaderFromClientsideRequestToUpstreamRequest(const HttpHeaderEntry *e, String strConnection, HttpRequest * request, HttpRequest * orig_request, |
62e76326 | 72 | HttpHeader * hdr_out, int we_do_ranges, http_state_flags); |
2afaba07 | 73 | #if ICAP_CLIENT |
74 | static void icapAclCheckDoneWrapper(ICAPServiceRep::Pointer service, void *data); | |
75 | #endif | |
528b2c61 | 76 | |
5f8252d2 | 77 | HttpStateData::HttpStateData(FwdState *theFwdState) : ServerStateData(theFwdState), |
fc68f6b1 | 78 | header_bytes_read(0), reply_bytes_read(0) |
2bb867b5 | 79 | { |
80 | debugs(11,5,HERE << "HttpStateData " << this << " created"); | |
a3d50c30 | 81 | ignoreCacheControl = false; |
82 | surrogateNoStore = false; | |
a3d50c30 | 83 | fd = fwd->server_fd; |
84 | readBuf = new MemBuf; | |
85 | readBuf->init(4096, SQUID_TCP_SO_RCVBUF); | |
6dd9f4bd | 86 | orig_request = HTTPMSGLOCK(fwd->request); |
a3d50c30 | 87 | |
88 | if (fwd->servers) | |
89 | _peer = fwd->servers->_peer; /* might be NULL */ | |
90 | ||
91 | if (_peer) { | |
92 | const char *url; | |
93 | ||
94 | if (_peer->options.originserver) | |
95 | url = orig_request->urlpath.buf(); | |
96 | else | |
3900307b | 97 | url = entry->url(); |
a3d50c30 | 98 | |
5cafad19 | 99 | HttpRequest * proxy_req = new HttpRequest(orig_request->method, |
100 | orig_request->protocol, url); | |
a3d50c30 | 101 | |
102 | xstrncpy(proxy_req->host, _peer->host, SQUIDHOSTNAMELEN); | |
103 | ||
104 | proxy_req->port = _peer->http_port; | |
105 | ||
106 | proxy_req->flags = orig_request->flags; | |
107 | ||
108 | proxy_req->lastmod = orig_request->lastmod; | |
109 | ||
110 | proxy_req->flags.proxying = 1; | |
111 | ||
6dd9f4bd | 112 | HTTPMSGUNLOCK(request); |
253caccb | 113 | |
6dd9f4bd | 114 | request = HTTPMSGLOCK(proxy_req); |
a3d50c30 | 115 | |
116 | /* | |
117 | * This NEIGHBOR_PROXY_ONLY check probably shouldn't be here. | |
118 | * We might end up getting the object from somewhere else if, | |
119 | * for example, the request to this neighbor fails. | |
120 | */ | |
121 | if (_peer->options.proxy_only) | |
d88e3c49 | 122 | entry->releaseRequest(); |
a3d50c30 | 123 | |
124 | #if DELAY_POOLS | |
125 | ||
126 | entry->setNoDelay(_peer->options.no_delay); | |
127 | ||
128 | #endif | |
129 | ||
a3d50c30 | 130 | } |
131 | ||
132 | /* | |
133 | * register the handler to free HTTP state data when the FD closes | |
134 | */ | |
135 | comm_add_close_handler(fd, httpStateFree, this); | |
2bb867b5 | 136 | } |
b8d8561b | 137 | |
2afaba07 | 138 | HttpStateData::~HttpStateData() |
f5558c95 | 139 | { |
253caccb | 140 | /* |
3b299123 | 141 | * don't forget that ~ServerStateData() gets called automatically |
253caccb | 142 | */ |
143 | ||
2afaba07 | 144 | if (!readBuf->isNull()) |
145 | readBuf->clean(); | |
62e76326 | 146 | |
2afaba07 | 147 | delete readBuf; |
148 | ||
6dd9f4bd | 149 | HTTPMSGUNLOCK(orig_request); |
2afaba07 | 150 | |
5f8252d2 | 151 | debugs(11,5, HERE << "HttpStateData " << this << " destroyed; FD " << fd); |
152 | } | |
153 | ||
154 | int | |
fc68f6b1 | 155 | HttpStateData::dataDescriptor() const |
156 | { | |
5f8252d2 | 157 | return fd; |
2afaba07 | 158 | } |
159 | ||
160 | static void | |
161 | httpStateFree(int fd, void *data) | |
162 | { | |
163 | HttpStateData *httpState = static_cast<HttpStateData *>(data); | |
164 | debug(11,5)("httpStateFree: FD %d, httpState=%p\n", fd, data); | |
5f8252d2 | 165 | delete httpState; |
f5558c95 | 166 | } |
167 | ||
b8d8561b | 168 | int |
75e88d56 | 169 | httpCachable(method_t method) |
090089c4 | 170 | { |
090089c4 | 171 | /* GET and HEAD are cachable. Others are not. */ |
62e76326 | 172 | |
6eb42cae | 173 | if (method != METHOD_GET && method != METHOD_HEAD) |
62e76326 | 174 | return 0; |
175 | ||
090089c4 | 176 | /* else cachable */ |
177 | return 1; | |
178 | } | |
179 | ||
b8d8561b | 180 | static void |
5c5783a2 | 181 | httpTimeout(int fd, void *data) |
090089c4 | 182 | { |
e6ccf245 | 183 | HttpStateData *httpState = static_cast<HttpStateData *>(data); |
593c9a75 | 184 | StoreEntry *entry = httpState->entry; |
3900307b | 185 | debug(11, 4) ("httpTimeout: FD %d: '%s'\n", fd, entry->url()); |
62e76326 | 186 | |
12158bdc | 187 | if (entry->store_status == STORE_PENDING) { |
2cc81f1f | 188 | httpState->fwd->fail(errorCon(ERR_READ_TIMEOUT, HTTP_GATEWAY_TIMEOUT, httpState->fwd->request)); |
9b312a19 | 189 | } |
62e76326 | 190 | |
0d4d4170 | 191 | comm_close(fd); |
090089c4 | 192 | } |
193 | ||
f9cece6e | 194 | static void |
195 | httpMaybeRemovePublic(StoreEntry * e, http_status status) | |
196 | { | |
62e76326 | 197 | |
198 | int remove | |
199 | = 0; | |
200 | ||
7e3ce7b9 | 201 | int forbidden = 0; |
62e76326 | 202 | |
f9cece6e | 203 | StoreEntry *pe; |
62e76326 | 204 | |
d46a87a8 | 205 | if (!EBIT_TEST(e->flags, KEY_PRIVATE)) |
62e76326 | 206 | return; |
207 | ||
f9cece6e | 208 | switch (status) { |
62e76326 | 209 | |
f9cece6e | 210 | case HTTP_OK: |
62e76326 | 211 | |
f9cece6e | 212 | case HTTP_NON_AUTHORITATIVE_INFORMATION: |
62e76326 | 213 | |
f9cece6e | 214 | case HTTP_MULTIPLE_CHOICES: |
62e76326 | 215 | |
f9cece6e | 216 | case HTTP_MOVED_PERMANENTLY: |
62e76326 | 217 | |
f9cece6e | 218 | case HTTP_MOVED_TEMPORARILY: |
62e76326 | 219 | |
f9cece6e | 220 | case HTTP_GONE: |
62e76326 | 221 | |
7e3ce7b9 | 222 | case HTTP_NOT_FOUND: |
62e76326 | 223 | |
224 | remove | |
225 | = 1; | |
226 | ||
227 | break; | |
228 | ||
7e3ce7b9 | 229 | case HTTP_FORBIDDEN: |
62e76326 | 230 | |
7e3ce7b9 | 231 | case HTTP_METHOD_NOT_ALLOWED: |
62e76326 | 232 | forbidden = 1; |
233 | ||
234 | break; | |
235 | ||
f9cece6e | 236 | #if WORK_IN_PROGRESS |
62e76326 | 237 | |
c8fd0193 | 238 | case HTTP_UNAUTHORIZED: |
62e76326 | 239 | forbidden = 1; |
240 | ||
241 | break; | |
242 | ||
f9cece6e | 243 | #endif |
62e76326 | 244 | |
f9cece6e | 245 | default: |
7e3ce7b9 | 246 | #if QUESTIONABLE |
62e76326 | 247 | /* |
248 | * Any 2xx response should eject previously cached entities... | |
249 | */ | |
abb929f0 | 250 | |
62e76326 | 251 | if (status >= 200 && status < 300) |
252 | remove | |
253 | = 1; | |
254 | ||
7e3ce7b9 | 255 | #endif |
62e76326 | 256 | |
257 | break; | |
f9cece6e | 258 | } |
62e76326 | 259 | |
260 | if (!remove | |
261 | && !forbidden) | |
262 | return; | |
263 | ||
f9cece6e | 264 | assert(e->mem_obj); |
62e76326 | 265 | |
f66a9ef4 | 266 | if (e->mem_obj->request) |
62e76326 | 267 | pe = storeGetPublicByRequest(e->mem_obj->request); |
f66a9ef4 | 268 | else |
62e76326 | 269 | pe = storeGetPublic(e->mem_obj->url, e->mem_obj->method); |
270 | ||
f66a9ef4 | 271 | if (pe != NULL) { |
62e76326 | 272 | assert(e != pe); |
5f33b71d | 273 | pe->release(); |
0856d155 | 274 | } |
62e76326 | 275 | |
7e3ce7b9 | 276 | /* |
277 | * Also remove any cached HEAD response in case the object has | |
278 | * changed. | |
279 | */ | |
f66a9ef4 | 280 | if (e->mem_obj->request) |
62e76326 | 281 | pe = storeGetPublicByRequestMethod(e->mem_obj->request, METHOD_HEAD); |
f66a9ef4 | 282 | else |
62e76326 | 283 | pe = storeGetPublic(e->mem_obj->url, METHOD_HEAD); |
284 | ||
f66a9ef4 | 285 | if (pe != NULL) { |
62e76326 | 286 | assert(e != pe); |
5f33b71d | 287 | pe->release(); |
7e3ce7b9 | 288 | } |
62e76326 | 289 | |
7e3ce7b9 | 290 | if (forbidden) |
62e76326 | 291 | return; |
292 | ||
7e3ce7b9 | 293 | switch (e->mem_obj->method) { |
62e76326 | 294 | |
7e3ce7b9 | 295 | case METHOD_PUT: |
62e76326 | 296 | |
7e3ce7b9 | 297 | case METHOD_DELETE: |
62e76326 | 298 | |
7e3ce7b9 | 299 | case METHOD_PROPPATCH: |
62e76326 | 300 | |
7e3ce7b9 | 301 | case METHOD_MKCOL: |
62e76326 | 302 | |
7e3ce7b9 | 303 | case METHOD_MOVE: |
62e76326 | 304 | |
42b51993 | 305 | case METHOD_BMOVE: |
62e76326 | 306 | |
42b51993 | 307 | case METHOD_BDELETE: |
62e76326 | 308 | /* |
309 | * Remove any cached GET object if it is beleived that the | |
310 | * object may have changed as a result of other methods | |
311 | */ | |
312 | ||
313 | if (e->mem_obj->request) | |
314 | pe = storeGetPublicByRequestMethod(e->mem_obj->request, METHOD_GET); | |
315 | else | |
316 | pe = storeGetPublic(e->mem_obj->url, METHOD_GET); | |
317 | ||
318 | if (pe != NULL) { | |
319 | assert(e != pe); | |
5f33b71d | 320 | pe->release(); |
62e76326 | 321 | } |
322 | ||
323 | break; | |
324 | ||
c8be6d7b | 325 | default: |
62e76326 | 326 | /* Keep GCC happy. The methods above are all mutating HTTP methods |
327 | */ | |
328 | break; | |
0856d155 | 329 | } |
f9cece6e | 330 | } |
331 | ||
43ae1d95 | 332 | void |
333 | HttpStateData::processSurrogateControl(HttpReply *reply) | |
334 | { | |
335 | #if ESI | |
336 | ||
337 | if (request->flags.accelerated && reply->surrogate_control) { | |
338 | HttpHdrScTarget *sctusable = | |
339 | httpHdrScGetMergedTarget(reply->surrogate_control, | |
340 | Config.Accel.surrogate_id); | |
341 | ||
342 | if (sctusable) { | |
343 | if (EBIT_TEST(sctusable->mask, SC_NO_STORE) || | |
344 | (Config.onoff.surrogate_is_remote | |
345 | && EBIT_TEST(sctusable->mask, SC_NO_STORE_REMOTE))) { | |
346 | surrogateNoStore = true; | |
5ed72359 | 347 | entry->makePrivate(); |
43ae1d95 | 348 | } |
349 | ||
350 | /* The HttpHeader logic cannot tell if the header it's parsing is a reply to an | |
351 | * accelerated request or not... | |
352 | * Still, this is an abtraction breach. - RC | |
353 | */ | |
354 | if (sctusable->max_age != -1) { | |
355 | if (sctusable->max_age < sctusable->max_stale) | |
356 | reply->expires = reply->date + sctusable->max_age; | |
357 | else | |
358 | reply->expires = reply->date + sctusable->max_stale; | |
359 | ||
360 | /* And update the timestamps */ | |
3900307b | 361 | entry->timestampsSet(); |
43ae1d95 | 362 | } |
363 | ||
364 | /* We ignore cache-control directives as per the Surrogate specification */ | |
365 | ignoreCacheControl = true; | |
366 | ||
367 | httpHdrScTargetDestroy(sctusable); | |
368 | } | |
369 | } | |
370 | ||
371 | #endif | |
372 | } | |
373 | ||
924f73bc | 374 | int |
375 | HttpStateData::cacheableReply() | |
c54e9052 | 376 | { |
2afaba07 | 377 | HttpReply const *rep = getReply(); |
528b2c61 | 378 | HttpHeader const *hdr = &rep->header; |
d8b249ef | 379 | const int cc_mask = (rep->cache_control) ? rep->cache_control->mask : 0; |
c68e9c6b | 380 | const char *v; |
38f9c547 | 381 | #if HTTP_VIOLATIONS |
62e76326 | 382 | |
38f9c547 | 383 | const refresh_t *R = NULL; |
b6445726 | 384 | |
346be6ad | 385 | /* This strange looking define first looks up the refresh pattern |
b6445726 | 386 | * and then checks if the specified flag is set. The main purpose |
387 | * of this is to simplify the refresh pattern lookup and HTTP_VIOLATIONS | |
388 | * condition | |
389 | */ | |
390 | #define REFRESH_OVERRIDE(flag) \ | |
5f8252d2 | 391 | ((R = (R ? R : refreshLimits(entry->mem_obj->url))) , \ |
392 | (R && R->flags.flag)) | |
b445957e | 393 | #else |
394 | #define REFRESH_OVERRIDE(flag) 0 | |
38f9c547 | 395 | #endif |
43ae1d95 | 396 | |
38f9c547 | 397 | if (surrogateNoStore) |
62e76326 | 398 | return 0; |
399 | ||
924f73bc | 400 | if (!ignoreCacheControl) { |
38f9c547 | 401 | if (EBIT_TEST(cc_mask, CC_PRIVATE)) { |
b6445726 | 402 | if (!REFRESH_OVERRIDE(ignore_private)) |
38f9c547 | 403 | return 0; |
404 | } | |
405 | ||
406 | if (EBIT_TEST(cc_mask, CC_NO_CACHE)) { | |
b6445726 | 407 | if (!REFRESH_OVERRIDE(ignore_no_cache)) |
38f9c547 | 408 | return 0; |
409 | } | |
410 | ||
411 | if (EBIT_TEST(cc_mask, CC_NO_STORE)) { | |
b6445726 | 412 | if (!REFRESH_OVERRIDE(ignore_no_store)) |
38f9c547 | 413 | return 0; |
414 | } | |
43ae1d95 | 415 | } |
416 | ||
924f73bc | 417 | if (request->flags.auth) { |
62e76326 | 418 | /* |
419 | * Responses to requests with authorization may be cached | |
420 | * only if a Cache-Control: public reply header is present. | |
421 | * RFC 2068, sec 14.9.4 | |
422 | */ | |
423 | ||
38f9c547 | 424 | if (!EBIT_TEST(cc_mask, CC_PUBLIC)) { |
b6445726 | 425 | if (!REFRESH_OVERRIDE(ignore_auth)) |
38f9c547 | 426 | return 0; |
427 | } | |
a6dfe2d9 | 428 | } |
62e76326 | 429 | |
c68e9c6b | 430 | /* Pragma: no-cache in _replies_ is not documented in HTTP, |
431 | * but servers like "Active Imaging Webcast/2.0" sure do use it */ | |
a9925b40 | 432 | if (hdr->has(HDR_PRAGMA)) { |
433 | String s = hdr->getList(HDR_PRAGMA); | |
62e76326 | 434 | const int no_cache = strListIsMember(&s, "no-cache", ','); |
435 | s.clean(); | |
436 | ||
38f9c547 | 437 | if (no_cache) { |
b6445726 | 438 | if (!REFRESH_OVERRIDE(ignore_no_cache)) |
38f9c547 | 439 | return 0; |
440 | } | |
c68e9c6b | 441 | } |
62e76326 | 442 | |
c68e9c6b | 443 | /* |
444 | * The "multipart/x-mixed-replace" content type is used for | |
445 | * continuous push replies. These are generally dynamic and | |
446 | * probably should not be cachable | |
447 | */ | |
a9925b40 | 448 | if ((v = hdr->getStr(HDR_CONTENT_TYPE))) |
62e76326 | 449 | if (!strncasecmp(v, "multipart/x-mixed-replace", 25)) |
450 | return 0; | |
451 | ||
2afaba07 | 452 | switch (getReply()->sline.status) { |
62e76326 | 453 | /* Responses that are cacheable */ |
454 | ||
19a04dac | 455 | case HTTP_OK: |
62e76326 | 456 | |
19a04dac | 457 | case HTTP_NON_AUTHORITATIVE_INFORMATION: |
62e76326 | 458 | |
19a04dac | 459 | case HTTP_MULTIPLE_CHOICES: |
62e76326 | 460 | |
19a04dac | 461 | case HTTP_MOVED_PERMANENTLY: |
62e76326 | 462 | |
19a04dac | 463 | case HTTP_GONE: |
62e76326 | 464 | /* |
465 | * Don't cache objects that need to be refreshed on next request, | |
466 | * unless we know how to refresh it. | |
467 | */ | |
468 | ||
1b5358c3 | 469 | if (!refreshIsCachable(entry)) { |
fc68f6b1 | 470 | debug(22, 3) ("refreshIsCachable() returned non-cacheable..\n"); |
62e76326 | 471 | return 0; |
fc68f6b1 | 472 | } |
62e76326 | 473 | |
474 | /* don't cache objects from peers w/o LMT, Date, or Expires */ | |
475 | /* check that is it enough to check headers @?@ */ | |
476 | if (rep->date > -1) | |
477 | return 1; | |
478 | else if (rep->last_modified > -1) | |
479 | return 1; | |
924f73bc | 480 | else if (!_peer) |
62e76326 | 481 | return 1; |
482 | ||
483 | /* @?@ (here and 302): invalid expires header compiles to squid_curtime */ | |
484 | else if (rep->expires > -1) | |
485 | return 1; | |
486 | else | |
487 | return 0; | |
488 | ||
489 | /* NOTREACHED */ | |
490 | break; | |
491 | ||
492 | /* Responses that only are cacheable if the server says so */ | |
493 | ||
19a04dac | 494 | case HTTP_MOVED_TEMPORARILY: |
6a2bf8f4 | 495 | if (rep->expires > rep->date && rep->date > 0) |
62e76326 | 496 | return 1; |
497 | else | |
498 | return 0; | |
499 | ||
500 | /* NOTREACHED */ | |
501 | break; | |
502 | ||
503 | /* Errors can be negatively cached */ | |
504 | ||
19a04dac | 505 | case HTTP_NO_CONTENT: |
62e76326 | 506 | |
19a04dac | 507 | case HTTP_USE_PROXY: |
62e76326 | 508 | |
19a04dac | 509 | case HTTP_BAD_REQUEST: |
62e76326 | 510 | |
19a04dac | 511 | case HTTP_FORBIDDEN: |
62e76326 | 512 | |
19a04dac | 513 | case HTTP_NOT_FOUND: |
62e76326 | 514 | |
19a04dac | 515 | case HTTP_METHOD_NOT_ALLOWED: |
62e76326 | 516 | |
19a04dac | 517 | case HTTP_REQUEST_URI_TOO_LARGE: |
62e76326 | 518 | |
19a04dac | 519 | case HTTP_INTERNAL_SERVER_ERROR: |
62e76326 | 520 | |
19a04dac | 521 | case HTTP_NOT_IMPLEMENTED: |
62e76326 | 522 | |
19a04dac | 523 | case HTTP_BAD_GATEWAY: |
62e76326 | 524 | |
19a04dac | 525 | case HTTP_SERVICE_UNAVAILABLE: |
62e76326 | 526 | |
19a04dac | 527 | case HTTP_GATEWAY_TIMEOUT: |
62e76326 | 528 | return -1; |
529 | ||
530 | /* NOTREACHED */ | |
531 | break; | |
532 | ||
533 | /* Some responses can never be cached */ | |
534 | ||
0cdcddb9 | 535 | case HTTP_PARTIAL_CONTENT: /* Not yet supported */ |
62e76326 | 536 | |
19a04dac | 537 | case HTTP_SEE_OTHER: |
62e76326 | 538 | |
19a04dac | 539 | case HTTP_NOT_MODIFIED: |
62e76326 | 540 | |
19a04dac | 541 | case HTTP_UNAUTHORIZED: |
62e76326 | 542 | |
19a04dac | 543 | case HTTP_PROXY_AUTHENTICATION_REQUIRED: |
62e76326 | 544 | |
0cdcddb9 | 545 | case HTTP_INVALID_HEADER: /* Squid header parsing error */ |
4eb368f9 | 546 | |
547 | case HTTP_HEADER_TOO_LARGE: | |
62e76326 | 548 | return 0; |
549 | ||
c54e9052 | 550 | default: /* Unknown status code */ |
924f73bc | 551 | debug (11,0)("HttpStateData::cacheableReply: unknown http status code in reply\n"); |
62e76326 | 552 | |
553 | return 0; | |
554 | ||
555 | /* NOTREACHED */ | |
556 | break; | |
c54e9052 | 557 | } |
62e76326 | 558 | |
79d39a72 | 559 | /* NOTREACHED */ |
c54e9052 | 560 | } |
090089c4 | 561 | |
f66a9ef4 | 562 | /* |
563 | * For Vary, store the relevant request headers as | |
564 | * virtual headers in the reply | |
565 | * Returns false if the variance cannot be stored | |
566 | */ | |
567 | const char * | |
190154cf | 568 | httpMakeVaryMark(HttpRequest * request, HttpReply const * reply) |
f66a9ef4 | 569 | { |
f66a9ef4 | 570 | String vary, hdr; |
571 | const char *pos = NULL; | |
572 | const char *item; | |
573 | const char *value; | |
574 | int ilen; | |
528b2c61 | 575 | static String vstr; |
f66a9ef4 | 576 | |
528b2c61 | 577 | vstr.clean(); |
a9925b40 | 578 | vary = reply->header.getList(HDR_VARY); |
62e76326 | 579 | |
f66a9ef4 | 580 | while (strListGetItem(&vary, ',', &item, &ilen, &pos)) { |
62e76326 | 581 | char *name = (char *)xmalloc(ilen + 1); |
582 | xstrncpy(name, item, ilen + 1); | |
583 | Tolower(name); | |
9776e3cc | 584 | |
585 | if (strcmp(name, "*") == 0) { | |
586 | /* Can not handle "Vary: *" withtout ETag support */ | |
587 | safe_free(name); | |
588 | vstr.clean(); | |
589 | break; | |
590 | } | |
591 | ||
62e76326 | 592 | strListAdd(&vstr, name, ','); |
a9925b40 | 593 | hdr = request->header.getByName(name); |
62e76326 | 594 | safe_free(name); |
595 | value = hdr.buf(); | |
596 | ||
597 | if (value) { | |
598 | value = rfc1738_escape_part(value); | |
599 | vstr.append("=\"", 2); | |
600 | vstr.append(value); | |
601 | vstr.append("\"", 1); | |
602 | } | |
603 | ||
604 | hdr.clean(); | |
f66a9ef4 | 605 | } |
62e76326 | 606 | |
528b2c61 | 607 | vary.clean(); |
f66a9ef4 | 608 | #if X_ACCELERATOR_VARY |
62e76326 | 609 | |
aa38be4a | 610 | pos = NULL; |
a9925b40 | 611 | vary = reply->header.getList(HDR_X_ACCELERATOR_VARY); |
62e76326 | 612 | |
f66a9ef4 | 613 | while (strListGetItem(&vary, ',', &item, &ilen, &pos)) { |
62e76326 | 614 | char *name = (char *)xmalloc(ilen + 1); |
615 | xstrncpy(name, item, ilen + 1); | |
616 | Tolower(name); | |
617 | strListAdd(&vstr, name, ','); | |
a9925b40 | 618 | hdr = request->header.getByName(name); |
62e76326 | 619 | safe_free(name); |
620 | value = hdr.buf(); | |
621 | ||
622 | if (value) { | |
623 | value = rfc1738_escape_part(value); | |
624 | vstr.append("=\"", 2); | |
625 | vstr.append(value); | |
626 | vstr.append("\"", 1); | |
627 | } | |
628 | ||
629 | hdr.clean(); | |
f66a9ef4 | 630 | } |
62e76326 | 631 | |
528b2c61 | 632 | vary.clean(); |
f66a9ef4 | 633 | #endif |
62e76326 | 634 | |
528b2c61 | 635 | debug(11, 3) ("httpMakeVaryMark: %s\n", vstr.buf()); |
636 | return vstr.buf(); | |
f66a9ef4 | 637 | } |
638 | ||
4eb368f9 | 639 | void |
640 | HttpStateData::failReply(HttpReply *reply, http_status const & status) | |
641 | { | |
642 | reply->sline.version = HttpVersion(1, 0); | |
643 | reply->sline.status = status; | |
db237875 | 644 | entry->replaceHttpReply(reply); |
4eb368f9 | 645 | |
646 | if (eof == 1) { | |
5f8252d2 | 647 | serverComplete(); |
4eb368f9 | 648 | } |
649 | } | |
650 | ||
2afaba07 | 651 | void |
652 | HttpStateData::keepaliveAccounting(HttpReply *reply) | |
653 | { | |
654 | if (flags.keepalive) | |
655 | if (_peer) | |
656 | _peer->stats.n_keepalives_sent++; | |
657 | ||
658 | if (reply->keep_alive) { | |
659 | if (_peer) | |
660 | _peer->stats.n_keepalives_recv++; | |
661 | ||
662 | if (Config.onoff.detect_broken_server_pconns && reply->bodySize(request->method) == -1) { | |
3900307b | 663 | debug(11, 1) ("keepaliveAccounting: Impossible keep-alive header from '%s'\n", entry->url()); |
2afaba07 | 664 | // debug(11, 2) ("GOT HTTP REPLY HDR:\n---------\n%s\n----------\n", readBuf->content()); |
665 | flags.keepalive_broken = 1; | |
666 | } | |
667 | } | |
668 | } | |
669 | ||
670 | void | |
671 | HttpStateData::checkDateSkew(HttpReply *reply) | |
672 | { | |
673 | if (reply->date > -1 && !_peer) { | |
674 | int skew = abs((int)(reply->date - squid_curtime)); | |
675 | ||
676 | if (skew > 86400) | |
677 | debug(11, 3) ("%s's clock is skewed by %d seconds!\n", | |
678 | request->host, skew); | |
679 | } | |
680 | } | |
681 | ||
682 | /* | |
4eb368f9 | 683 | * This creates the error page itself.. its likely |
684 | * that the forward ported reply header max size patch | |
685 | * generates non http conformant error pages - in which | |
686 | * case the errors where should be 'BAD_GATEWAY' etc | |
687 | */ | |
b8d8561b | 688 | void |
2afaba07 | 689 | HttpStateData::processReplyHeader() |
f5558c95 | 690 | { |
528b2c61 | 691 | /* Creates a blank header. If this routine is made incremental, this will |
692 | * not do | |
693 | */ | |
4a56ee8d | 694 | HttpReply *newrep = new HttpReply; |
82384411 | 695 | Ctx ctx = ctx_enter(entry->mem_obj->url); |
2afaba07 | 696 | debug(11, 3) ("processReplyHeader: key '%s'\n", entry->getMD5Text()); |
62e76326 | 697 | |
1a98175f | 698 | assert(!flags.headers_parsed); |
62e76326 | 699 | |
2afaba07 | 700 | http_status error = HTTP_STATUS_NONE; |
62e76326 | 701 | |
4a56ee8d | 702 | const bool parsed = newrep->parse(readBuf, eof, &error); |
62e76326 | 703 | |
2afaba07 | 704 | if (!parsed && error > 0) { // unrecoverable parsing error |
705 | debugs(11, 3, "processReplyHeader: Non-HTTP-compliant header: '" << readBuf->content() << "'"); | |
1a98175f | 706 | flags.headers_parsed = 1; |
2afaba07 | 707 | // negated result yields http_status |
4a56ee8d | 708 | failReply (newrep, error); |
82384411 | 709 | ctx_exit(ctx); |
4eb368f9 | 710 | return; |
711 | } | |
62e76326 | 712 | |
2afaba07 | 713 | if (!parsed) { // need more data |
714 | assert(!error); | |
715 | assert(!eof); | |
4a56ee8d | 716 | delete newrep; |
82384411 | 717 | ctx_exit(ctx); |
62e76326 | 718 | return; |
f5558c95 | 719 | } |
62e76326 | 720 | |
6dd9f4bd | 721 | reply = HTTPMSGLOCK(newrep); |
4a56ee8d | 722 | |
9bc73deb | 723 | debug(11, 9) ("GOT HTTP REPLY HDR:\n---------\n%s\n----------\n", |
2afaba07 | 724 | readBuf->content()); |
4eb368f9 | 725 | |
5f8252d2 | 726 | header_bytes_read = headersEnd(readBuf->content(), readBuf->contentSize()); |
727 | readBuf->consume(header_bytes_read); | |
4a56ee8d | 728 | |
6965ab28 | 729 | flags.headers_parsed = 1; |
730 | ||
2afaba07 | 731 | keepaliveAccounting(reply); |
47ac2ebe | 732 | |
2afaba07 | 733 | checkDateSkew(reply); |
47ac2ebe | 734 | |
43ae1d95 | 735 | processSurrogateControl (reply); |
528b2c61 | 736 | |
737 | /* TODO: IF the reply is a 1.0 reply, AND it has a Connection: Header | |
738 | * Parse the header and remove all referenced headers | |
739 | */ | |
740 | ||
2afaba07 | 741 | #if ICAP_CLIENT |
742 | ||
ab7ac359 | 743 | if (TheICAPConfig.onoff) { |
2afaba07 | 744 | ICAPAccessCheck *icap_access_check = |
745 | new ICAPAccessCheck(ICAP::methodRespmod, ICAP::pointPreCache, request, reply, icapAclCheckDoneWrapper, this); | |
746 | ||
747 | icapAccessCheckPending = true; | |
748 | icap_access_check->check(); // will eventually delete self | |
749 | ctx_exit(ctx); | |
750 | return; | |
751 | } | |
ab7ac359 | 752 | |
2afaba07 | 753 | #endif |
754 | ||
db237875 | 755 | entry->replaceHttpReply(reply); |
2afaba07 | 756 | |
2afaba07 | 757 | haveParsedReplyHeaders(); |
758 | ||
759 | if (eof == 1) { | |
5f8252d2 | 760 | serverComplete(); |
2afaba07 | 761 | } |
762 | ||
763 | ctx_exit(ctx); | |
764 | } | |
765 | ||
5f8252d2 | 766 | // Called when we parsed (and possibly adapted) the headers but |
767 | // had not starting storing (a.k.a., sending) the body yet. | |
2afaba07 | 768 | void |
769 | HttpStateData::haveParsedReplyHeaders() | |
770 | { | |
771 | Ctx ctx = ctx_enter(entry->mem_obj->url); | |
772 | ||
773 | if (getReply()->sline.status == HTTP_PARTIAL_CONTENT && | |
774 | getReply()->content_range) | |
775 | currentOffset = getReply()->content_range->spec.offset; | |
62e76326 | 776 | |
3900307b | 777 | entry->timestampsSet(); |
62e76326 | 778 | |
9bc73deb | 779 | /* Check if object is cacheable or not based on reply code */ |
2afaba07 | 780 | debug(11, 3) ("haveParsedReplyHeaders: HTTP CODE: %d\n", getReply()->sline.status); |
62e76326 | 781 | |
9bc73deb | 782 | if (neighbors_do_private_keys) |
2afaba07 | 783 | httpMaybeRemovePublic(entry, getReply()->sline.status); |
e6ccf245 | 784 | |
a9925b40 | 785 | if (getReply()->header.has(HDR_VARY) |
f66a9ef4 | 786 | #if X_ACCELERATOR_VARY |
a9925b40 | 787 | || getReply()->header.has(HDR_X_ACCELERATOR_VARY) |
f66a9ef4 | 788 | #endif |
4b44c907 | 789 | ) { |
2afaba07 | 790 | const char *vary = httpMakeVaryMark(orig_request, getReply()); |
4b44c907 | 791 | |
792 | if (!vary) { | |
5ed72359 | 793 | entry->makePrivate(); |
4b44c907 | 794 | goto no_cache; |
795 | ||
62e76326 | 796 | } |
797 | ||
4b44c907 | 798 | entry->mem_obj->vary_headers = xstrdup(vary); |
799 | } | |
800 | ||
2afaba07 | 801 | #if WIP_FWD_LOG |
802 | fwdStatus(fwd, s); | |
803 | ||
804 | #endif | |
805 | /* | |
806 | * If its not a reply that we will re-forward, then | |
807 | * allow the client to get it. | |
808 | */ | |
b6b6f466 | 809 | if (!fwd->reforwardableStatus(getReply()->sline.status)) |
2afaba07 | 810 | EBIT_CLR(entry->flags, ENTRY_FWD_HDR_WAIT); |
811 | ||
4b44c907 | 812 | switch (cacheableReply()) { |
813 | ||
814 | case 1: | |
5ed72359 | 815 | entry->makePublic(); |
62e76326 | 816 | break; |
817 | ||
9bc73deb | 818 | case 0: |
5ed72359 | 819 | entry->makePrivate(); |
62e76326 | 820 | break; |
821 | ||
9bc73deb | 822 | case -1: |
4b44c907 | 823 | |
824 | if (Config.negativeTtl > 0) | |
5ed72359 | 825 | entry->cacheNegatively(); |
4b44c907 | 826 | else |
5ed72359 | 827 | entry->makePrivate(); |
4b44c907 | 828 | |
62e76326 | 829 | break; |
830 | ||
9bc73deb | 831 | default: |
62e76326 | 832 | assert(0); |
4b44c907 | 833 | |
62e76326 | 834 | break; |
9bc73deb | 835 | } |
62e76326 | 836 | |
4b44c907 | 837 | no_cache: |
838 | ||
2afaba07 | 839 | if (!ignoreCacheControl && getReply()->cache_control) { |
840 | if (EBIT_TEST(getReply()->cache_control->mask, CC_PROXY_REVALIDATE)) | |
62e76326 | 841 | EBIT_SET(entry->flags, ENTRY_REVALIDATE); |
2afaba07 | 842 | else if (EBIT_TEST(getReply()->cache_control->mask, CC_MUST_REVALIDATE)) |
62e76326 | 843 | EBIT_SET(entry->flags, ENTRY_REVALIDATE); |
9bc73deb | 844 | } |
62e76326 | 845 | |
c3609322 | 846 | #if HEADERS_LOG |
2afaba07 | 847 | headersLog(1, 0, request->method, getReply()); |
fc68f6b1 | 848 | |
c3609322 | 849 | #endif |
5f8252d2 | 850 | |
851 | ctx_exit(ctx); | |
f5558c95 | 852 | } |
853 | ||
528b2c61 | 854 | HttpStateData::ConnectionStatus |
855 | HttpStateData::statusIfComplete() const | |
603a02fd | 856 | { |
2afaba07 | 857 | HttpReply const *rep = getReply(); |
528b2c61 | 858 | /* If the reply wants to close the connection, it takes precedence */ |
62e76326 | 859 | |
2afaba07 | 860 | if (httpHeaderHasConnDir(&rep->header, "close")) |
62e76326 | 861 | return COMPLETE_NONPERSISTENT_MSG; |
862 | ||
528b2c61 | 863 | /* If we didn't send a keep-alive request header, then this |
978e455f | 864 | * can not be a persistent connection. |
865 | */ | |
528b2c61 | 866 | if (!flags.keepalive) |
62e76326 | 867 | return COMPLETE_NONPERSISTENT_MSG; |
868 | ||
72b63f06 | 869 | /* |
870 | * If we haven't sent the whole request then this can not be a persistent | |
871 | * connection. | |
872 | */ | |
873 | if (!flags.request_sent) { | |
2afdbf48 | 874 | debug(11, 1) ("statusIfComplete: Request not yet fully sent \"%s %s\"\n", |
72b63f06 | 875 | RequestMethodStr[orig_request->method], |
3900307b | 876 | entry->url()); |
72b63f06 | 877 | return COMPLETE_NONPERSISTENT_MSG; |
878 | } | |
879 | ||
9f5a2895 | 880 | /* |
881 | * What does the reply have to say about keep-alive? | |
882 | */ | |
b6a2f15e | 883 | /* |
884 | * XXX BUG? | |
885 | * If the origin server (HTTP/1.0) does not send a keep-alive | |
886 | * header, but keeps the connection open anyway, what happens? | |
887 | * We'll return here and http.c waits for an EOF before changing | |
888 | * store_status to STORE_OK. Combine this with ENTRY_FWD_HDR_WAIT | |
889 | * and an error status code, and we might have to wait until | |
890 | * the server times out the socket. | |
891 | */ | |
2afaba07 | 892 | if (!rep->keep_alive) |
528b2c61 | 893 | return COMPLETE_NONPERSISTENT_MSG; |
62e76326 | 894 | |
528b2c61 | 895 | return COMPLETE_PERSISTENT_MSG; |
896 | } | |
897 | ||
898 | HttpStateData::ConnectionStatus | |
899 | HttpStateData::persistentConnStatus() const | |
900 | { | |
2afaba07 | 901 | debug(11, 3) ("persistentConnStatus: FD %d\n", fd); |
2afaba07 | 902 | debug(11, 5) ("persistentConnStatus: content_length=%d\n", |
62e76326 | 903 | reply->content_length); |
62e76326 | 904 | |
5f8252d2 | 905 | /* If we haven't seen the end of reply headers, we are not done */ |
2afaba07 | 906 | debug(11,5)("persistentConnStatus: flags.headers_parsed=%d\n", flags.headers_parsed); |
fc68f6b1 | 907 | |
1a98175f | 908 | if (!flags.headers_parsed) |
62e76326 | 909 | return INCOMPLETE_MSG; |
910 | ||
5f8252d2 | 911 | const int clen = reply->bodySize(request->method); |
fc68f6b1 | 912 | |
2afaba07 | 913 | debug(11,5)("persistentConnStatus: clen=%d\n", clen); |
914 | ||
35282fbf | 915 | /* If the body size is unknown we must wait for EOF */ |
916 | if (clen < 0) | |
62e76326 | 917 | return INCOMPLETE_MSG; |
918 | ||
5f8252d2 | 919 | /* If the body size is known, we must wait until we've gotten all of it. */ |
920 | if (clen > 0) { | |
921 | // old technique: | |
922 | // if (entry->mem_obj->endOffset() < reply->content_length + reply->hdr_sz) | |
923 | const int body_bytes_read = reply_bytes_read - header_bytes_read; | |
924 | debugs(11,5, "persistentConnStatus: body_bytes_read=" << | |
fc68f6b1 | 925 | body_bytes_read << " content_length=" << reply->content_length); |
2afaba07 | 926 | |
5f8252d2 | 927 | if (body_bytes_read < reply->content_length) |
928 | return INCOMPLETE_MSG; | |
929 | } | |
62e76326 | 930 | |
5f8252d2 | 931 | /* If there is no message body or we got it all, we can be persistent */ |
932 | return statusIfComplete(); | |
603a02fd | 933 | } |
090089c4 | 934 | |
2afaba07 | 935 | /* |
936 | * This is the callback after some data has been read from the network | |
937 | */ | |
e5ee81f0 | 938 | void |
939 | HttpStateData::ReadReplyWrapper(int fd, char *buf, size_t len, comm_err_t flag, int xerrno, void *data) | |
c4b7a5a9 | 940 | { |
941 | HttpStateData *httpState = static_cast<HttpStateData *>(data); | |
7194987f | 942 | assert (fd == httpState->fd); |
2afaba07 | 943 | // assert(buf == readBuf->content()); |
1d5161bd | 944 | PROF_start(HttpStateData_readReply); |
2afaba07 | 945 | httpState->readReply (len, flag, xerrno); |
1d5161bd | 946 | PROF_stop(HttpStateData_readReply); |
c4b7a5a9 | 947 | } |
948 | ||
2afdbf48 | 949 | /* XXX this function is too long! */ |
c4b7a5a9 | 950 | void |
2afaba07 | 951 | HttpStateData::readReply (size_t len, comm_err_t flag, int xerrno) |
090089c4 | 952 | { |
30a4f2a8 | 953 | int bin; |
090089c4 | 954 | int clen; |
f61f0107 | 955 | flags.do_next_read = 0; |
c4b7a5a9 | 956 | |
2afaba07 | 957 | /* |
958 | * Bail out early on COMM_ERR_CLOSING - close handlers will tidy up for us | |
959 | */ | |
62e76326 | 960 | |
c4b7a5a9 | 961 | if (flag == COMM_ERR_CLOSING) { |
d09176e1 | 962 | debug (11,3)("http socket closing\n"); |
c4b7a5a9 | 963 | return; |
964 | } | |
965 | ||
e92e4e44 | 966 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { |
5f8252d2 | 967 | maybeReadVirginBody(); |
62e76326 | 968 | return; |
e92e4e44 | 969 | } |
c4b7a5a9 | 970 | |
1513873c | 971 | errno = 0; |
c4b7a5a9 | 972 | /* prepare the read size for the next read (if any) */ |
62e76326 | 973 | |
c4b7a5a9 | 974 | debug(11, 5) ("httpReadReply: FD %d: len %d.\n", fd, (int)len); |
62e76326 | 975 | |
c4b7a5a9 | 976 | if (flag == COMM_OK && len > 0) { |
2afaba07 | 977 | readBuf->appended(len); |
5f8252d2 | 978 | reply_bytes_read += len; |
447e176b | 979 | #if DELAY_POOLS |
2afaba07 | 980 | |
981 | DelayId delayId = entry->mem_obj->mostBytesAllowed(); | |
62e76326 | 982 | delayId.bytesIn(len); |
447e176b | 983 | #endif |
62e76326 | 984 | |
985 | kb_incr(&statCounter.server.all.kbytes_in, len); | |
986 | kb_incr(&statCounter.server.http.kbytes_in, len); | |
62e76326 | 987 | IOStats.Http.reads++; |
988 | ||
989 | for (clen = len - 1, bin = 0; clen; bin++) | |
990 | clen >>= 1; | |
991 | ||
992 | IOStats.Http.read_hist[bin]++; | |
30a4f2a8 | 993 | } |
62e76326 | 994 | |
5fa061b8 | 995 | /* here the RFC says we should ignore whitespace between replies, but we can't as |
996 | * doing so breaks HTTP/0.9 replies beginning with witespace, and in addition | |
997 | * the response splitting countermeasures is extremely likely to trigger on this, | |
998 | * not allowing connection reuse in the first place. | |
999 | */ | |
1000 | #if DONT_DO_THIS | |
1a98175f | 1001 | if (!flags.headers_parsed && flag == COMM_OK && len > 0 && fd_table[fd].uses > 1) { |
5fa061b8 | 1002 | /* Skip whitespace between replies */ |
62e76326 | 1003 | |
e4755e29 | 1004 | while (len > 0 && xisspace(*buf)) |
62e76326 | 1005 | xmemmove(buf, buf + 1, len--); |
1006 | ||
1007 | if (len == 0) { | |
1008 | /* Continue to read... */ | |
21b92762 | 1009 | /* Timeout NOT increased. This whitespace was from previous reply */ |
f61f0107 | 1010 | flags.do_next_read = 1; |
5f8252d2 | 1011 | maybeReadVirginBody(); |
62e76326 | 1012 | return; |
1013 | } | |
5ede6c8f | 1014 | } |
62e76326 | 1015 | |
5fa061b8 | 1016 | #endif |
1017 | ||
c4b7a5a9 | 1018 | if (flag != COMM_OK || len < 0) { |
62e76326 | 1019 | debug(50, 2) ("httpReadReply: FD %d: read failure: %s.\n", |
1020 | fd, xstrerror()); | |
1021 | ||
1022 | if (ignoreErrno(errno)) { | |
f61f0107 | 1023 | flags.do_next_read = 1; |
6cae5db1 | 1024 | } else { |
62e76326 | 1025 | ErrorState *err; |
2cc81f1f | 1026 | err = errorCon(ERR_READ_ERROR, HTTP_BAD_GATEWAY, fwd->request); |
62e76326 | 1027 | err->xerrno = errno; |
b6b6f466 | 1028 | fwd->fail(err); |
f61f0107 | 1029 | flags.do_next_read = 0; |
62e76326 | 1030 | comm_close(fd); |
62e76326 | 1031 | } |
2afaba07 | 1032 | } else if (flag == COMM_OK && len == 0 && !flags.headers_parsed) { |
2cc81f1f | 1033 | fwd->fail(errorCon(ERR_ZERO_SIZE_OBJECT, HTTP_BAD_GATEWAY, fwd->request)); |
62e76326 | 1034 | eof = 1; |
f61f0107 | 1035 | flags.do_next_read = 0; |
62e76326 | 1036 | comm_close(fd); |
c4b7a5a9 | 1037 | } else if (flag == COMM_OK && len == 0) { |
62e76326 | 1038 | /* Connection closed; retrieval done. */ |
1039 | eof = 1; | |
1040 | ||
2cca9b7d | 1041 | if (!flags.headers_parsed) { |
62e76326 | 1042 | /* |
3f7d66c7 | 1043 | * When we called processReplyHeader() before, we |
1a98175f | 1044 | * didn't find the end of headers, but now we are |
1045 | * definately at EOF, so we want to process the reply | |
1046 | * headers. | |
62e76326 | 1047 | */ |
fc68f6b1 | 1048 | PROF_start(HttpStateData_processReplyHeader); |
2afaba07 | 1049 | processReplyHeader(); |
fc68f6b1 | 1050 | PROF_stop(HttpStateData_processReplyHeader); |
1051 | } else if (getReply()->sline.status == HTTP_INVALID_HEADER && HttpVersion(0,9) != getReply()->sline.version) { | |
2cc81f1f | 1052 | fwd->fail(errorCon(ERR_INVALID_RESP, HTTP_BAD_GATEWAY, fwd->request)); |
f61f0107 | 1053 | flags.do_next_read = 0; |
47ac2ebe | 1054 | } else { |
4eb368f9 | 1055 | if (entry->mem_obj->getReply()->sline.status == HTTP_HEADER_TOO_LARGE) { |
3900307b | 1056 | entry->reset(); |
2cc81f1f | 1057 | fwd->fail( errorCon(ERR_TOO_BIG, HTTP_BAD_GATEWAY, fwd->request)); |
b6b6f466 | 1058 | fwd->dontRetry(true); |
2afaba07 | 1059 | flags.do_next_read = 0; |
1060 | comm_close(fd); | |
4eb368f9 | 1061 | } else { |
5f8252d2 | 1062 | serverComplete(); |
4eb368f9 | 1063 | } |
62e76326 | 1064 | } |
090089c4 | 1065 | } else { |
1a98175f | 1066 | if (!flags.headers_parsed) { |
fc68f6b1 | 1067 | PROF_start(HttpStateData_processReplyHeader); |
2afaba07 | 1068 | processReplyHeader(); |
fc68f6b1 | 1069 | PROF_stop(HttpStateData_processReplyHeader); |
62e76326 | 1070 | |
1a98175f | 1071 | if (flags.headers_parsed) { |
42f79b17 | 1072 | bool fail = reply == NULL; |
47ac2ebe | 1073 | |
42f79b17 | 1074 | if (!fail) { |
1075 | http_status s = getReply()->sline.status; | |
1076 | HttpVersion httpver = getReply()->sline.version; | |
1077 | fail = s == HTTP_INVALID_HEADER && httpver != HttpVersion(0,9); | |
1078 | } | |
1079 | ||
1080 | if (fail) { | |
3900307b | 1081 | entry->reset(); |
2cc81f1f | 1082 | fwd->fail( errorCon(ERR_INVALID_RESP, HTTP_BAD_GATEWAY, fwd->request)); |
47ac2ebe | 1083 | comm_close(fd); |
1084 | return; | |
1085 | } | |
1086 | ||
2afaba07 | 1087 | } |
1088 | } | |
1089 | ||
1090 | PROF_start(HttpStateData_processReplyBody); | |
1091 | processReplyBody(); | |
1092 | PROF_stop(HttpStateData_processReplyBody); | |
1093 | } | |
1094 | } | |
1095 | ||
1096 | /* | |
1097 | * Call this when there is data from the origin server | |
1098 | * which should be sent to either StoreEntry, or to ICAP... | |
1099 | */ | |
1100 | void | |
5f8252d2 | 1101 | HttpStateData::writeReplyBody() |
2afaba07 | 1102 | { |
5f8252d2 | 1103 | const char *data = readBuf->content(); |
1104 | int len = readBuf->contentSize(); | |
62e76326 | 1105 | |
5f8252d2 | 1106 | #if ICAP_CLIENT |
fc68f6b1 | 1107 | |
5f8252d2 | 1108 | if (virginBodyDestination != NULL) { |
1109 | const size_t putSize = virginBodyDestination->putMoreData(data, len); | |
1110 | readBuf->consume(putSize); | |
1111 | return; | |
1112 | } | |
fc68f6b1 | 1113 | |
5f8252d2 | 1114 | // Even if we are done with sending the virgin body to ICAP, we may still |
1115 | // be waiting for adapted headers. We need them before writing to store. | |
1116 | if (adaptedHeadSource != NULL) { | |
1117 | debugs(11,5, HERE << "need adapted head from " << adaptedHeadSource); | |
2afaba07 | 1118 | return; |
1119 | } | |
fc68f6b1 | 1120 | |
225644d7 | 1121 | #endif |
62e76326 | 1122 | |
2afaba07 | 1123 | entry->write (StoreIOBuffer(len, currentOffset, (char*)data)); |
fc68f6b1 | 1124 | |
5f8252d2 | 1125 | readBuf->consume(len); |
fc68f6b1 | 1126 | |
2afaba07 | 1127 | currentOffset += len; |
e6ccf245 | 1128 | } |
1129 | ||
2afaba07 | 1130 | /* |
1131 | * processReplyBody has two purposes: | |
1132 | * 1 - take the reply body data, if any, and put it into either | |
1133 | * the StoreEntry, or give it over to ICAP. | |
1134 | * 2 - see if we made it to the end of the response (persistent | |
1135 | * connections and such) | |
1136 | */ | |
e6ccf245 | 1137 | void |
2afaba07 | 1138 | HttpStateData::processReplyBody() |
e6ccf245 | 1139 | { |
fc68f6b1 | 1140 | |
1141 | struct IN_ADDR *client_addr = NULL; | |
1142 | ||
1a98175f | 1143 | if (!flags.headers_parsed) { |
f61f0107 | 1144 | flags.do_next_read = 1; |
5f8252d2 | 1145 | maybeReadVirginBody(); |
62e76326 | 1146 | return; |
528b2c61 | 1147 | } |
62e76326 | 1148 | |
2afaba07 | 1149 | #if ICAP_CLIENT |
1150 | if (icapAccessCheckPending) | |
1151 | return; | |
fc68f6b1 | 1152 | |
2afaba07 | 1153 | #endif |
62e76326 | 1154 | |
2afaba07 | 1155 | /* |
1156 | * At this point the reply headers have been parsed and consumed. | |
1157 | * That means header content has been removed from readBuf and | |
1158 | * it contains only body data. | |
1159 | */ | |
5f8252d2 | 1160 | writeReplyBody(); |
528b2c61 | 1161 | |
e6ccf245 | 1162 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { |
62e76326 | 1163 | /* |
2afaba07 | 1164 | * the above writeReplyBody() call could ABORT this entry, |
62e76326 | 1165 | * in that case, the server FD should already be closed. |
1166 | * there's nothing for us to do. | |
1167 | */ | |
1168 | (void) 0; | |
1169 | } else | |
1170 | switch (persistentConnStatus()) { | |
1171 | ||
1172 | case INCOMPLETE_MSG: | |
2afaba07 | 1173 | debug(11,5)("processReplyBody: INCOMPLETE_MSG\n"); |
21b92762 | 1174 | /* Wait for more data or EOF condition */ |
1175 | ||
1176 | if (flags.keepalive_broken) { | |
1177 | commSetTimeout(fd, 10, NULL, NULL); | |
1178 | } else { | |
1179 | commSetTimeout(fd, Config.Timeout.read, NULL, NULL); | |
1180 | } | |
1181 | ||
f61f0107 | 1182 | flags.do_next_read = 1; |
62e76326 | 1183 | break; |
1184 | ||
1185 | case COMPLETE_PERSISTENT_MSG: | |
2afaba07 | 1186 | debug(11,5)("processReplyBody: COMPLETE_PERSISTENT_MSG\n"); |
62e76326 | 1187 | /* yes we have to clear all these! */ |
62e76326 | 1188 | commSetTimeout(fd, -1, NULL, NULL); |
f61f0107 | 1189 | flags.do_next_read = 0; |
62e76326 | 1190 | |
1191 | comm_remove_close_handler(fd, httpStateFree, this); | |
b6b6f466 | 1192 | fwd->unregister(fd); |
fc68f6b1 | 1193 | #if LINUX_TPROXY |
1194 | ||
1195 | if (orig_request->flags.tproxy) | |
1196 | client_addr = &orig_request->client_addr; | |
1197 | ||
1198 | #endif | |
bd0723ad | 1199 | |
1200 | if (_peer) { | |
1201 | if (_peer->options.originserver) | |
fc68f6b1 | 1202 | fwd->pconnPush(fd, _peer->name, orig_request->port, orig_request->host, client_addr); |
bd0723ad | 1203 | else |
fc68f6b1 | 1204 | fwd->pconnPush(fd, _peer->name, _peer->http_port, NULL, client_addr); |
bd0723ad | 1205 | } else { |
fc68f6b1 | 1206 | fwd->pconnPush(fd, request->host, request->port, NULL, client_addr); |
bd0723ad | 1207 | } |
1208 | ||
62e76326 | 1209 | fd = -1; |
2afaba07 | 1210 | |
5f8252d2 | 1211 | serverComplete(); |
62e76326 | 1212 | return; |
1213 | ||
1214 | case COMPLETE_NONPERSISTENT_MSG: | |
2afaba07 | 1215 | debug(11,5)("processReplyBody: COMPLETE_NONPERSISTENT_MSG\n"); |
5f8252d2 | 1216 | serverComplete(); |
62e76326 | 1217 | return; |
1218 | } | |
1219 | ||
5f8252d2 | 1220 | maybeReadVirginBody(); |
c4b7a5a9 | 1221 | } |
1222 | ||
1223 | void | |
5f8252d2 | 1224 | HttpStateData::maybeReadVirginBody() |
c4b7a5a9 | 1225 | { |
2afaba07 | 1226 | int read_sz = readBuf->spaceSize(); |
2afaba07 | 1227 | |
5f8252d2 | 1228 | #if ICAP_CLIENT |
1229 | #if RE_ENABLE_THIS_IF_NEEDED_OR_DELETE | |
1230 | // This code is not broken, but is probably not needed because we | |
1231 | // probably can read more than will fit into the BodyPipe buffer. | |
fc68f6b1 | 1232 | |
5f8252d2 | 1233 | if (virginBodyDestination != NULL) { |
2afaba07 | 1234 | /* |
5f8252d2 | 1235 | * BodyPipe buffer has a finite size limit. We |
2afaba07 | 1236 | * should not read more data from the network than will fit |
1237 | * into the pipe buffer. If totally full, don't register | |
1238 | * the read handler at all. The ICAP side will call our | |
1239 | * icapSpaceAvailable() method when it has free space again. | |
1240 | */ | |
5f8252d2 | 1241 | int icap_space = virginBodyDestination->buf().potentialSpaceSize(); |
2afaba07 | 1242 | |
1243 | debugs(11,9, "HttpStateData may read up to min(" << icap_space << | |
1244 | ", " << read_sz << ") bytes"); | |
1245 | ||
1246 | if (icap_space < read_sz) | |
1247 | read_sz = icap_space; | |
1248 | } | |
fc68f6b1 | 1249 | |
5f8252d2 | 1250 | #endif |
2afaba07 | 1251 | #endif |
1252 | ||
5f8252d2 | 1253 | debugs(11,9, HERE << (flags.do_next_read ? "may" : "wont") << |
fc68f6b1 | 1254 | " read up to " << read_sz << " bytes from FD " << fd); |
2afaba07 | 1255 | |
1256 | /* | |
1257 | * why <2? Because delayAwareRead() won't actually read if | |
1258 | * you ask it to read 1 byte. The delayed read request | |
1259 | * just gets re-queued until the client side drains, then | |
1260 | * the I/O thread hangs. Better to not register any read | |
1261 | * handler until we get a notification from someone that | |
1262 | * its okay to read again. | |
1263 | */ | |
1264 | if (read_sz < 2) | |
1265 | return; | |
1266 | ||
f61f0107 | 1267 | if (flags.do_next_read) { |
1268 | flags.do_next_read = 0; | |
e5ee81f0 | 1269 | entry->delayAwareRead(fd, readBuf->space(), read_sz, ReadReplyWrapper, this); |
528b2c61 | 1270 | } |
090089c4 | 1271 | } |
1272 | ||
2afaba07 | 1273 | /* |
1274 | * This will be called when request write is complete. | |
1275 | */ | |
d576a6a6 | 1276 | void |
2b663917 | 1277 | HttpStateData::SendComplete(int fd, char *bufnotused, size_t size, comm_err_t errflag, int xerrno, void *data) |
090089c4 | 1278 | { |
e6ccf245 | 1279 | HttpStateData *httpState = static_cast<HttpStateData *>(data); |
a3d5953d | 1280 | debug(11, 5) ("httpSendComplete: FD %d: size %d: errflag %d.\n", |
62e76326 | 1281 | fd, (int) size, errflag); |
bc87dc25 | 1282 | #if URL_CHECKSUM_DEBUG |
62e76326 | 1283 | |
528b2c61 | 1284 | entry->mem_obj->checkUrlChecksum(); |
bc87dc25 | 1285 | #endif |
62e76326 | 1286 | |
ee1679df | 1287 | if (size > 0) { |
62e76326 | 1288 | fd_bytes(fd, size, FD_WRITE); |
1289 | kb_incr(&statCounter.server.all.kbytes_out, size); | |
1290 | kb_incr(&statCounter.server.http.kbytes_out, size); | |
ee1679df | 1291 | } |
62e76326 | 1292 | |
ea3a2a69 | 1293 | if (errflag == COMM_ERR_CLOSING) |
62e76326 | 1294 | return; |
1295 | ||
090089c4 | 1296 | if (errflag) { |
6cae5db1 | 1297 | ErrorState *err; |
2cc81f1f | 1298 | err = errorCon(ERR_WRITE_ERROR, HTTP_BAD_GATEWAY, httpState->fwd->request); |
2b663917 | 1299 | err->xerrno = xerrno; |
b6b6f466 | 1300 | httpState->fwd->fail(err); |
62e76326 | 1301 | comm_close(fd); |
1302 | return; | |
090089c4 | 1303 | } |
72b63f06 | 1304 | |
2afaba07 | 1305 | /* |
1306 | * Set the read timeout here because it hasn't been set yet. | |
1307 | * We only set the read timeout after the request has been | |
1308 | * fully written to the server-side. If we start the timeout | |
1309 | * after connection establishment, then we are likely to hit | |
1310 | * the timeout for POST/PUT requests that have very large | |
1311 | * request bodies. | |
1312 | */ | |
1313 | commSetTimeout(fd, Config.Timeout.read, httpTimeout, httpState); | |
1314 | ||
72b63f06 | 1315 | httpState->flags.request_sent = 1; |
090089c4 | 1316 | } |
1317 | ||
5f8252d2 | 1318 | // Close the HTTP server connection. Used by serverComplete(). |
2afaba07 | 1319 | void |
5f8252d2 | 1320 | HttpStateData::closeServer() |
2afaba07 | 1321 | { |
5f8252d2 | 1322 | debugs(11,5, HERE << "closing HTTP server FD " << fd << " this " << this); |
fc68f6b1 | 1323 | |
2afaba07 | 1324 | if (fd >= 0) { |
b6b6f466 | 1325 | fwd->unregister(fd); |
2afaba07 | 1326 | comm_remove_close_handler(fd, httpStateFree, this); |
1327 | comm_close(fd); | |
1328 | fd = -1; | |
1329 | } | |
5f8252d2 | 1330 | } |
2afaba07 | 1331 | |
5f8252d2 | 1332 | bool |
1333 | HttpStateData::doneWithServer() const | |
1334 | { | |
1335 | return fd < 0; | |
2afaba07 | 1336 | } |
1337 | ||
99edd1c3 | 1338 | /* |
1339 | * build request headers and append them to a given MemBuf | |
e5ee81f0 | 1340 | * used by buildRequestPrefix() |
818c6c9e | 1341 | * note: initialised the HttpHeader, the caller is responsible for Clean()-ing |
99edd1c3 | 1342 | */ |
e1e72f06 | 1343 | void |
e5ee81f0 | 1344 | HttpStateData::httpBuildRequestHeader(HttpRequest * request, |
1345 | HttpRequest * orig_request, | |
1346 | StoreEntry * entry, | |
1347 | HttpHeader * hdr_out, | |
1348 | http_state_flags flags) | |
6bf8443a | 1349 | { |
99edd1c3 | 1350 | /* building buffer for complex strings */ |
5999b776 | 1351 | #define BBUF_SZ (MAX_URL+32) |
99edd1c3 | 1352 | LOCAL_ARRAY(char, bbuf, BBUF_SZ); |
99edd1c3 | 1353 | const HttpHeader *hdr_in = &orig_request->header; |
1354 | const HttpHeaderEntry *e; | |
6bccf575 | 1355 | String strFwd; |
99edd1c3 | 1356 | HttpHeaderPos pos = HttpHeaderInitPos; |
75faaa7a | 1357 | assert (hdr_out->owner == hoRequest); |
99edd1c3 | 1358 | /* append our IMS header */ |
62e76326 | 1359 | |
fa3e249f | 1360 | if (request->lastmod > -1) |
a9925b40 | 1361 | hdr_out->putTime(HDR_IF_MODIFIED_SINCE, request->lastmod); |
99edd1c3 | 1362 | |
528b2c61 | 1363 | bool we_do_ranges = decideIfWeDoRanges (orig_request); |
1364 | ||
a9925b40 | 1365 | String strConnection (hdr_in->getList(HDR_CONNECTION)); |
62e76326 | 1366 | |
a9925b40 | 1367 | while ((e = hdr_in->getEntry(&pos))) |
62e76326 | 1368 | copyOneHeaderFromClientsideRequestToUpstreamRequest(e, strConnection, request, orig_request, hdr_out, we_do_ranges, flags); |
528b2c61 | 1369 | |
43ae1d95 | 1370 | /* Abstraction break: We should interpret multipart/byterange responses |
528b2c61 | 1371 | * into offset-length data, and this works around our inability to do so. |
1372 | */ | |
62e76326 | 1373 | if (!we_do_ranges && orig_request->multipartRangeRequest()) { |
1374 | /* don't cache the result */ | |
1375 | orig_request->flags.cachable = 0; | |
1376 | /* pretend it's not a range request */ | |
00d77d6b | 1377 | delete orig_request->range; |
62e76326 | 1378 | orig_request->range = NULL; |
1379 | orig_request->flags.range = 0; | |
1380 | } | |
528b2c61 | 1381 | |
99edd1c3 | 1382 | /* append Via */ |
736cb6aa | 1383 | if (Config.onoff.via) { |
43ae1d95 | 1384 | String strVia; |
a9925b40 | 1385 | strVia = hdr_in->getList(HDR_VIA); |
62e76326 | 1386 | snprintf(bbuf, BBUF_SZ, "%d.%d %s", |
1387 | orig_request->http_ver.major, | |
1388 | orig_request->http_ver.minor, ThisCache); | |
1389 | strListAdd(&strVia, bbuf, ','); | |
a9925b40 | 1390 | hdr_out->putStr(HDR_VIA, strVia.buf()); |
62e76326 | 1391 | strVia.clean(); |
736cb6aa | 1392 | } |
62e76326 | 1393 | |
43ae1d95 | 1394 | #if ESI |
1395 | { | |
1396 | /* Append Surrogate-Capabilities */ | |
a9925b40 | 1397 | String strSurrogate (hdr_in->getList(HDR_SURROGATE_CAPABILITY)); |
ec43ae0e | 1398 | snprintf(bbuf, BBUF_SZ, "%s=\"Surrogate/1.0 ESI/1.0\"", |
43ae1d95 | 1399 | Config.Accel.surrogate_id); |
1400 | strListAdd(&strSurrogate, bbuf, ','); | |
a9925b40 | 1401 | hdr_out->putStr(HDR_SURROGATE_CAPABILITY, strSurrogate.buf()); |
43ae1d95 | 1402 | } |
1403 | #endif | |
1404 | ||
99edd1c3 | 1405 | /* append X-Forwarded-For */ |
a9925b40 | 1406 | strFwd = hdr_in->getList(HDR_X_FORWARDED_FOR); |
62e76326 | 1407 | |
6056ae68 | 1408 | if (opt_forwarded_for && orig_request->client_addr.s_addr != no_addr.s_addr) |
62e76326 | 1409 | strListAdd(&strFwd, inet_ntoa(orig_request->client_addr), ','); |
6056ae68 | 1410 | else |
62e76326 | 1411 | strListAdd(&strFwd, "unknown", ','); |
1412 | ||
a9925b40 | 1413 | hdr_out->putStr(HDR_X_FORWARDED_FOR, strFwd.buf()); |
62e76326 | 1414 | |
528b2c61 | 1415 | strFwd.clean(); |
6bccf575 | 1416 | |
99edd1c3 | 1417 | /* append Host if not there already */ |
a9925b40 | 1418 | if (!hdr_out->has(HDR_HOST)) { |
62e76326 | 1419 | if (orig_request->peer_domain) { |
a9925b40 | 1420 | hdr_out->putStr(HDR_HOST, orig_request->peer_domain); |
62e76326 | 1421 | } else if (orig_request->port == urlDefaultPort(orig_request->protocol)) { |
1422 | /* use port# only if not default */ | |
a9925b40 | 1423 | hdr_out->putStr(HDR_HOST, orig_request->host); |
62e76326 | 1424 | } else { |
1425 | httpHeaderPutStrf(hdr_out, HDR_HOST, "%s:%d", | |
1426 | orig_request->host, (int) orig_request->port); | |
1427 | } | |
6bf8443a | 1428 | } |
62e76326 | 1429 | |
c68e9c6b | 1430 | /* append Authorization if known in URL, not in header and going direct */ |
a9925b40 | 1431 | if (!hdr_out->has(HDR_AUTHORIZATION)) { |
62e76326 | 1432 | if (!request->flags.proxying && *request->login) { |
1433 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1434 | base64_encode(request->login)); | |
1435 | } | |
c68e9c6b | 1436 | } |
62e76326 | 1437 | |
c68e9c6b | 1438 | /* append Proxy-Authorization if configured for peer, and proxying */ |
c3b33cb7 | 1439 | if (request->flags.proxying && orig_request->peer_login && |
a9925b40 | 1440 | !hdr_out->has(HDR_PROXY_AUTHORIZATION)) { |
62e76326 | 1441 | if (*orig_request->peer_login == '*') { |
1442 | /* Special mode, to pass the username to the upstream cache */ | |
1443 | char loginbuf[256]; | |
1444 | const char *username = "-"; | |
1445 | ||
1446 | if (orig_request->auth_user_request) | |
1447 | username = orig_request->auth_user_request->username(); | |
abb929f0 | 1448 | else if (orig_request->extacl_user.size()) |
1449 | username = orig_request->extacl_user.buf(); | |
62e76326 | 1450 | |
1451 | snprintf(loginbuf, sizeof(loginbuf), "%s%s", username, orig_request->peer_login + 1); | |
1452 | ||
1453 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", | |
1454 | base64_encode(loginbuf)); | |
1455 | } else if (strcmp(orig_request->peer_login, "PASS") == 0) { | |
abb929f0 | 1456 | if (orig_request->extacl_user.size() && orig_request->extacl_passwd.size()) { |
1457 | char loginbuf[256]; | |
1458 | snprintf(loginbuf, sizeof(loginbuf), "%s:%s", orig_request->extacl_user.buf(), orig_request->extacl_passwd.buf()); | |
1459 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", | |
1460 | base64_encode(loginbuf)); | |
1461 | } | |
62e76326 | 1462 | } else if (strcmp(orig_request->peer_login, "PROXYPASS") == 0) { |
1463 | /* Nothing to do */ | |
1464 | } else { | |
1465 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", | |
1466 | base64_encode(orig_request->peer_login)); | |
1467 | } | |
c68e9c6b | 1468 | } |
62e76326 | 1469 | |
be753325 | 1470 | /* append WWW-Authorization if configured for peer */ |
1471 | if (flags.originpeer && orig_request->peer_login && | |
a9925b40 | 1472 | !hdr_out->has(HDR_AUTHORIZATION)) { |
62e76326 | 1473 | if (strcmp(orig_request->peer_login, "PASS") == 0) { |
1474 | /* No credentials to forward.. (should have been done above if available) */ | |
1475 | } else if (strcmp(orig_request->peer_login, "PROXYPASS") == 0) { | |
1476 | /* Special mode, convert proxy authentication to WWW authentication | |
abb929f0 | 1477 | * (also applies to authentication provided by external acl) |
62e76326 | 1478 | */ |
a9925b40 | 1479 | const char *auth = hdr_in->getStr(HDR_PROXY_AUTHORIZATION); |
62e76326 | 1480 | |
1481 | if (auth && strncasecmp(auth, "basic ", 6) == 0) { | |
a9925b40 | 1482 | hdr_out->putStr(HDR_AUTHORIZATION, auth); |
abb929f0 | 1483 | } else if (orig_request->extacl_user.size() && orig_request->extacl_passwd.size()) { |
1484 | char loginbuf[256]; | |
1485 | snprintf(loginbuf, sizeof(loginbuf), "%s:%s", orig_request->extacl_user.buf(), orig_request->extacl_passwd.buf()); | |
1486 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1487 | base64_encode(loginbuf)); | |
62e76326 | 1488 | } |
1489 | } else if (*orig_request->peer_login == '*') { | |
1490 | /* Special mode, to pass the username to the upstream cache */ | |
1491 | char loginbuf[256]; | |
1492 | const char *username = "-"; | |
1493 | ||
1494 | if (orig_request->auth_user_request) | |
f5691f9c | 1495 | username = orig_request->auth_user_request->username(); |
abb929f0 | 1496 | else if (orig_request->extacl_user.size()) |
1497 | username = orig_request->extacl_user.buf(); | |
62e76326 | 1498 | |
1499 | snprintf(loginbuf, sizeof(loginbuf), "%s%s", username, orig_request->peer_login + 1); | |
1500 | ||
1501 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1502 | base64_encode(loginbuf)); | |
1503 | } else { | |
1504 | /* Fixed login string */ | |
1505 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1506 | base64_encode(orig_request->peer_login)); | |
1507 | } | |
be753325 | 1508 | } |
62e76326 | 1509 | |
abb929f0 | 1510 | /* append Cache-Control, add max-age if not there already */ { |
a9925b40 | 1511 | HttpHdrCc *cc = hdr_in->getCc(); |
62e76326 | 1512 | |
1513 | if (!cc) | |
1514 | cc = httpHdrCcCreate(); | |
1515 | ||
1516 | if (!EBIT_TEST(cc->mask, CC_MAX_AGE)) { | |
43ae1d95 | 1517 | const char *url = |
3900307b | 1518 | entry ? entry->url() : urlCanonical(orig_request); |
62e76326 | 1519 | httpHdrCcSetMaxAge(cc, getMaxAge(url)); |
1520 | ||
1521 | if (request->urlpath.size()) | |
1522 | assert(strstr(url, request->urlpath.buf())); | |
1523 | } | |
1524 | ||
ce2d6441 | 1525 | /* Set no-cache if determined needed but not found */ |
a9925b40 | 1526 | if (orig_request->flags.nocache && !hdr_in->has(HDR_PRAGMA)) |
ce2d6441 | 1527 | EBIT_SET(cc->mask, CC_NO_CACHE); |
1528 | ||
1529 | /* Enforce sibling relations */ | |
62e76326 | 1530 | if (flags.only_if_cached) |
1531 | EBIT_SET(cc->mask, CC_ONLY_IF_CACHED); | |
1532 | ||
a9925b40 | 1533 | hdr_out->putCc(cc); |
62e76326 | 1534 | |
1535 | httpHdrCcDestroy(cc); | |
6bf8443a | 1536 | } |
62e76326 | 1537 | |
99edd1c3 | 1538 | /* maybe append Connection: keep-alive */ |
b515fc11 | 1539 | if (flags.keepalive) { |
62e76326 | 1540 | if (flags.proxying) { |
a9925b40 | 1541 | hdr_out->putStr(HDR_PROXY_CONNECTION, "keep-alive"); |
62e76326 | 1542 | } else { |
a9925b40 | 1543 | hdr_out->putStr(HDR_CONNECTION, "keep-alive"); |
62e76326 | 1544 | } |
603a02fd | 1545 | } |
62e76326 | 1546 | |
a7ad6e4e | 1547 | /* append Front-End-Https */ |
1548 | if (flags.front_end_https) { | |
62e76326 | 1549 | if (flags.front_end_https == 1 || request->protocol == PROTO_HTTPS) |
a9925b40 | 1550 | hdr_out->putStr(HDR_FRONT_END_HTTPS, "On"); |
a7ad6e4e | 1551 | } |
1552 | ||
6bccf575 | 1553 | /* Now mangle the headers. */ |
4f56514c | 1554 | if (Config2.onoff.mangle_request_headers) |
5967c0bf | 1555 | httpHdrMangleList(hdr_out, request, ROR_REQUEST); |
62e76326 | 1556 | |
528b2c61 | 1557 | strConnection.clean(); |
99edd1c3 | 1558 | } |
1559 | ||
528b2c61 | 1560 | void |
190154cf | 1561 | copyOneHeaderFromClientsideRequestToUpstreamRequest(const HttpHeaderEntry *e, String strConnection, HttpRequest * request, HttpRequest * orig_request, HttpHeader * hdr_out, int we_do_ranges, http_state_flags flags) |
528b2c61 | 1562 | { |
1563 | debug(11, 5) ("httpBuildRequestHeader: %s: %s\n", | |
62e76326 | 1564 | e->name.buf(), e->value.buf()); |
1565 | ||
528b2c61 | 1566 | if (!httpRequestHdrAllowed(e, &strConnection)) { |
62e76326 | 1567 | debug(11, 2) ("'%s' header denied by anonymize_headers configuration\n",+ e->name.buf()); |
1568 | return; | |
528b2c61 | 1569 | } |
62e76326 | 1570 | |
528b2c61 | 1571 | switch (e->id) { |
62e76326 | 1572 | |
be753325 | 1573 | case HDR_PROXY_AUTHORIZATION: |
62e76326 | 1574 | /* Only pass on proxy authentication to peers for which |
1575 | * authentication forwarding is explicitly enabled | |
1576 | */ | |
1577 | ||
1578 | if (flags.proxying && orig_request->peer_login && | |
abb929f0 | 1579 | (strcmp(orig_request->peer_login, "PASS") == 0 || |
1580 | strcmp(orig_request->peer_login, "PROXYPASS") == 0)) { | |
eede25e7 | 1581 | hdr_out->addEntry(e->clone()); |
62e76326 | 1582 | } |
1583 | ||
1584 | break; | |
1585 | ||
be753325 | 1586 | case HDR_AUTHORIZATION: |
62e76326 | 1587 | /* Pass on WWW authentication */ |
1588 | ||
1589 | if (!flags.originpeer) { | |
eede25e7 | 1590 | hdr_out->addEntry(e->clone()); |
62e76326 | 1591 | } else { |
1592 | /* In accelerators, only forward authentication if enabled | |
1593 | * (see also below for proxy->server authentication) | |
1594 | */ | |
1595 | ||
abb929f0 | 1596 | if (orig_request->peer_login && |
1597 | (strcmp(orig_request->peer_login, "PASS") == 0 || | |
1598 | strcmp(orig_request->peer_login, "PROXYPASS") == 0)) { | |
eede25e7 | 1599 | hdr_out->addEntry(e->clone()); |
62e76326 | 1600 | } |
1601 | } | |
1602 | ||
1603 | break; | |
1604 | ||
be753325 | 1605 | case HDR_HOST: |
62e76326 | 1606 | /* |
b883b594 | 1607 | * Normally Squid rewrites the Host: header. |
1608 | * However, there is one case when we don't: If the URL | |
62e76326 | 1609 | * went through our redirector and the admin configured |
1610 | * 'redir_rewrites_host' to be off. | |
1611 | */ | |
1612 | ||
b883b594 | 1613 | if (request->flags.redirected && !Config.onoff.redir_rewrites_host) |
eede25e7 | 1614 | hdr_out->addEntry(e->clone()); |
b883b594 | 1615 | else { |
1616 | /* use port# only if not default */ | |
1617 | ||
1618 | if (orig_request->port == urlDefaultPort(orig_request->protocol)) { | |
a9925b40 | 1619 | hdr_out->putStr(HDR_HOST, orig_request->host); |
b883b594 | 1620 | } else { |
1621 | httpHeaderPutStrf(hdr_out, HDR_HOST, "%s:%d", | |
1622 | orig_request->host, (int) orig_request->port); | |
1623 | } | |
1624 | } | |
62e76326 | 1625 | |
1626 | break; | |
1627 | ||
be753325 | 1628 | case HDR_IF_MODIFIED_SINCE: |
62e76326 | 1629 | /* append unless we added our own; |
1630 | * note: at most one client's ims header can pass through */ | |
b883b594 | 1631 | |
a9925b40 | 1632 | if (!hdr_out->has(HDR_IF_MODIFIED_SINCE)) |
eede25e7 | 1633 | hdr_out->addEntry(e->clone()); |
62e76326 | 1634 | |
1635 | break; | |
1636 | ||
be753325 | 1637 | case HDR_MAX_FORWARDS: |
62e76326 | 1638 | if (orig_request->method == METHOD_TRACE) { |
eede25e7 | 1639 | const int hops = e->getInt(); |
62e76326 | 1640 | |
1641 | if (hops > 0) | |
a9925b40 | 1642 | hdr_out->putInt(HDR_MAX_FORWARDS, hops - 1); |
62e76326 | 1643 | } |
1644 | ||
1645 | break; | |
1646 | ||
be753325 | 1647 | case HDR_VIA: |
62e76326 | 1648 | /* If Via is disabled then forward any received header as-is */ |
1649 | ||
1650 | if (!Config.onoff.via) | |
eede25e7 | 1651 | hdr_out->addEntry(e->clone()); |
62e76326 | 1652 | |
1653 | break; | |
1654 | ||
be753325 | 1655 | case HDR_RANGE: |
62e76326 | 1656 | |
be753325 | 1657 | case HDR_IF_RANGE: |
62e76326 | 1658 | |
be753325 | 1659 | case HDR_REQUEST_RANGE: |
62e76326 | 1660 | if (!we_do_ranges) |
eede25e7 | 1661 | hdr_out->addEntry(e->clone()); |
62e76326 | 1662 | |
1663 | break; | |
1664 | ||
be753325 | 1665 | case HDR_PROXY_CONNECTION: |
62e76326 | 1666 | |
be753325 | 1667 | case HDR_CONNECTION: |
62e76326 | 1668 | |
be753325 | 1669 | case HDR_X_FORWARDED_FOR: |
62e76326 | 1670 | |
be753325 | 1671 | case HDR_CACHE_CONTROL: |
62e76326 | 1672 | /* append these after the loop if needed */ |
1673 | break; | |
1674 | ||
be753325 | 1675 | case HDR_FRONT_END_HTTPS: |
62e76326 | 1676 | if (!flags.front_end_https) |
eede25e7 | 1677 | hdr_out->addEntry(e->clone()); |
62e76326 | 1678 | |
1679 | break; | |
1680 | ||
be753325 | 1681 | default: |
62e76326 | 1682 | /* pass on all other header fields */ |
eede25e7 | 1683 | hdr_out->addEntry(e->clone()); |
528b2c61 | 1684 | } |
1685 | } | |
1686 | ||
e5ee81f0 | 1687 | bool |
1688 | HttpStateData::decideIfWeDoRanges (HttpRequest * orig_request) | |
528b2c61 | 1689 | { |
e5ee81f0 | 1690 | bool result = true; |
62e76326 | 1691 | /* decide if we want to do Ranges ourselves |
1692 | * and fetch the whole object now) | |
1693 | * We want to handle Ranges ourselves iff | |
1694 | * - we can actually parse client Range specs | |
1695 | * - the specs are expected to be simple enough (e.g. no out-of-order ranges) | |
1696 | * - reply will be cachable | |
1697 | * (If the reply will be uncachable we have to throw it away after | |
1698 | * serving this request, so it is better to forward ranges to | |
1699 | * the server and fetch only the requested content) | |
1700 | */ | |
1701 | ||
1702 | if (NULL == orig_request->range || !orig_request->flags.cachable | |
1703 | || orig_request->range->offsetLimitExceeded()) | |
e5ee81f0 | 1704 | result = false; |
62e76326 | 1705 | |
1706 | debug(11, 8) ("decideIfWeDoRanges: range specs: %p, cachable: %d; we_do_ranges: %d\n", | |
1707 | orig_request->range, orig_request->flags.cachable, result); | |
1708 | ||
1709 | return result; | |
528b2c61 | 1710 | } |
1711 | ||
62e76326 | 1712 | /* build request prefix and append it to a given MemBuf; |
99edd1c3 | 1713 | * return the length of the prefix */ |
9bc73deb | 1714 | mb_size_t |
e5ee81f0 | 1715 | HttpStateData::buildRequestPrefix(HttpRequest * request, |
1716 | HttpRequest * orig_request, | |
1717 | StoreEntry * entry, | |
1718 | MemBuf * mb, | |
1719 | http_state_flags flags) | |
99edd1c3 | 1720 | { |
1721 | const int offset = mb->size; | |
450e0c10 | 1722 | HttpVersion httpver(1, 0); |
2fe7eff9 | 1723 | mb->Printf("%s %s HTTP/%d.%d\r\n", |
1724 | RequestMethodStr[request->method], | |
1725 | request->urlpath.size() ? request->urlpath.buf() : "/", | |
1726 | httpver.major,httpver.minor); | |
99edd1c3 | 1727 | /* build and pack headers */ |
1728 | { | |
75faaa7a | 1729 | HttpHeader hdr(hoRequest); |
62e76326 | 1730 | Packer p; |
1731 | httpBuildRequestHeader(request, orig_request, entry, &hdr, flags); | |
1732 | packerToMemInit(&p, mb); | |
a9925b40 | 1733 | hdr.packInto(&p); |
519e0948 | 1734 | hdr.clean(); |
62e76326 | 1735 | packerClean(&p); |
9d9d144b | 1736 | } |
99edd1c3 | 1737 | /* append header terminator */ |
2fe7eff9 | 1738 | mb->append(crlf, 2); |
99edd1c3 | 1739 | return mb->size - offset; |
6bf8443a | 1740 | } |
62e76326 | 1741 | |
090089c4 | 1742 | /* This will be called when connect completes. Write request. */ |
5f8252d2 | 1743 | bool |
2bb867b5 | 1744 | HttpStateData::sendRequest() |
090089c4 | 1745 | { |
99edd1c3 | 1746 | MemBuf mb; |
090089c4 | 1747 | |
5f8252d2 | 1748 | debug(11, 5) ("httpSendRequest: FD %d, request %p, this %p.\n", fd, request, this); |
090089c4 | 1749 | |
2bb867b5 | 1750 | commSetTimeout(fd, Config.Timeout.lifetime, httpTimeout, this); |
1751 | flags.do_next_read = 1; | |
5f8252d2 | 1752 | maybeReadVirginBody(); |
1753 | ||
1754 | if (orig_request->body_pipe != NULL) { | |
1755 | requestBodySource = orig_request->body_pipe; | |
fc68f6b1 | 1756 | |
5f8252d2 | 1757 | if (!requestBodySource->setConsumerIfNotLate(this)) { |
1758 | debugs(32,3, HERE << "aborting on partially consumed body"); | |
1759 | requestBodySource = NULL; | |
1760 | return false; | |
1761 | } | |
fc68f6b1 | 1762 | |
5f8252d2 | 1763 | requestSender = HttpStateData::sentRequestBodyWrapper; |
1764 | debugs(32,3, HERE << "expecting request body on pipe " << requestBodySource); | |
1765 | } else { | |
1766 | assert(!requestBodySource); | |
1767 | requestSender = HttpStateData::SendComplete; | |
1768 | } | |
54220df8 | 1769 | |
2bb867b5 | 1770 | if (_peer != NULL) { |
1771 | if (_peer->options.originserver) { | |
1772 | flags.proxying = 0; | |
1773 | flags.originpeer = 1; | |
62e76326 | 1774 | } else { |
2bb867b5 | 1775 | flags.proxying = 1; |
1776 | flags.originpeer = 0; | |
62e76326 | 1777 | } |
be753325 | 1778 | } else { |
2bb867b5 | 1779 | flags.proxying = 0; |
1780 | flags.originpeer = 0; | |
be753325 | 1781 | } |
62e76326 | 1782 | |
efb9218c | 1783 | /* |
99edd1c3 | 1784 | * Is keep-alive okay for all request methods? |
efb9218c | 1785 | */ |
efd900cb | 1786 | if (!Config.onoff.server_pconns) |
2bb867b5 | 1787 | flags.keepalive = 0; |
1788 | else if (_peer == NULL) | |
1789 | flags.keepalive = 1; | |
1790 | else if (_peer->stats.n_keepalives_sent < 10) | |
1791 | flags.keepalive = 1; | |
1792 | else if ((double) _peer->stats.n_keepalives_recv / | |
1793 | (double) _peer->stats.n_keepalives_sent > 0.50) | |
1794 | flags.keepalive = 1; | |
1795 | ||
1796 | if (_peer) { | |
1797 | if (neighborType(_peer, request) == PEER_SIBLING && | |
1798 | !_peer->options.allow_miss) | |
1799 | flags.only_if_cached = 1; | |
1800 | ||
1801 | flags.front_end_https = _peer->front_end_https; | |
a7ad6e4e | 1802 | } |
62e76326 | 1803 | |
2fe7eff9 | 1804 | mb.init(); |
e5ee81f0 | 1805 | buildRequestPrefix(request, orig_request, entry, &mb, flags); |
21b92762 | 1806 | debug(11, 6) ("httpSendRequest: FD %d:\n%s\n", fd, mb.buf); |
5f8252d2 | 1807 | comm_write_mbuf(fd, &mb, requestSender, this); |
1808 | ||
1809 | return true; | |
090089c4 | 1810 | } |
b6a2f15e | 1811 | |
910169e5 | 1812 | void |
b6b6f466 | 1813 | httpStart(FwdState *fwd) |
603a02fd | 1814 | { |
910169e5 | 1815 | debug(11, 3) ("httpStart: \"%s %s\"\n", |
a3d50c30 | 1816 | RequestMethodStr[fwd->request->method], |
3900307b | 1817 | fwd->entry->url()); |
a3d50c30 | 1818 | HttpStateData *httpState = new HttpStateData(fwd); |
62e76326 | 1819 | |
5f8252d2 | 1820 | if (!httpState->sendRequest()) { |
1821 | debug(11, 3) ("httpStart: aborted"); | |
1822 | delete httpState; | |
1823 | return; | |
1824 | } | |
62e76326 | 1825 | |
5f8252d2 | 1826 | statCounter.server.all.requests++; |
83704487 | 1827 | statCounter.server.http.requests++; |
62e76326 | 1828 | |
b6a2f15e | 1829 | /* |
1830 | * We used to set the read timeout here, but not any more. | |
1831 | * Now its set in httpSendComplete() after the full request, | |
1832 | * including request body, has been written to the server. | |
1833 | */ | |
090089c4 | 1834 | } |
1835 | ||
2bb867b5 | 1836 | void |
5f8252d2 | 1837 | HttpStateData::doneSendingRequestBody() |
2bb867b5 | 1838 | { |
4fb35c3c | 1839 | ACLChecklist ch; |
5f8252d2 | 1840 | debugs(11,5, HERE << "doneSendingRequestBody: FD " << fd); |
6dd9f4bd | 1841 | ch.request = HTTPMSGLOCK(request); |
506768d9 | 1842 | |
1843 | if (Config.accessList.brokenPosts) | |
1844 | ch.accessList = cbdataReference(Config.accessList.brokenPosts); | |
62e76326 | 1845 | |
108d65b2 | 1846 | /* cbdataReferenceDone() happens in either fastCheck() or ~ACLCheckList */ |
1847 | ||
94439e4e | 1848 | if (!Config.accessList.brokenPosts) { |
5f8252d2 | 1849 | debug(11, 5) ("doneSendingRequestBody: No brokenPosts list\n"); |
2b663917 | 1850 | HttpStateData::SendComplete(fd, NULL, 0, COMM_OK, 0, this); |
b448c119 | 1851 | } else if (!ch.fastCheck()) { |
5f8252d2 | 1852 | debug(11, 5) ("doneSendingRequestBody: didn't match brokenPosts\n"); |
2b663917 | 1853 | HttpStateData::SendComplete(fd, NULL, 0, COMM_OK, 0, this); |
94439e4e | 1854 | } else { |
5f8252d2 | 1855 | debug(11, 2) ("doneSendingRequestBody: matched brokenPosts\n"); |
2b663917 | 1856 | comm_write(fd, "\r\n", 2, HttpStateData::SendComplete, this, NULL); |
54220df8 | 1857 | } |
94439e4e | 1858 | } |
1859 | ||
5f8252d2 | 1860 | // more origin request body data is available |
2bb867b5 | 1861 | void |
5f8252d2 | 1862 | HttpStateData::handleMoreRequestBodyAvailable() |
2bb867b5 | 1863 | { |
2bb867b5 | 1864 | if (eof || fd < 0) { |
5f8252d2 | 1865 | // XXX: we should check this condition in other callbacks then! |
1866 | // TODO: Check whether this can actually happen: We should unsubscribe | |
1867 | // as a body consumer when the above condition(s) are detected. | |
2bb867b5 | 1868 | debugs(11, 1, HERE << "Transaction aborted while reading HTTP body"); |
2bb867b5 | 1869 | return; |
1870 | } | |
62e76326 | 1871 | |
5f8252d2 | 1872 | assert(requestBodySource != NULL); |
fc68f6b1 | 1873 | |
5f8252d2 | 1874 | if (requestBodySource->buf().hasContent()) { |
1875 | // XXX: why does not this trigger a debug message on every request? | |
fc68f6b1 | 1876 | |
2bb867b5 | 1877 | if (flags.headers_parsed && !flags.abuse_detected) { |
1878 | flags.abuse_detected = 1; | |
5f8252d2 | 1879 | debug(11, 1) ("http handleMoreRequestBodyAvailable: Likely proxy abuse detected '%s' -> '%s'\n", |
2bb867b5 | 1880 | inet_ntoa(orig_request->client_addr), |
3900307b | 1881 | entry->url()); |
21b92762 | 1882 | |
2bb867b5 | 1883 | if (getReply()->sline.status == HTTP_INVALID_HEADER) { |
2bb867b5 | 1884 | comm_close(fd); |
21b92762 | 1885 | return; |
1886 | } | |
1887 | } | |
b6a2f15e | 1888 | } |
5f8252d2 | 1889 | |
1890 | HttpStateData::handleMoreRequestBodyAvailable(); | |
376bb137 | 1891 | } |
1892 | ||
5f8252d2 | 1893 | // premature end of the request body |
2bb867b5 | 1894 | void |
5f8252d2 | 1895 | HttpStateData::handleRequestBodyProducerAborted() |
376bb137 | 1896 | { |
5f8252d2 | 1897 | ServerStateData::handleRequestBodyProducerAborted(); |
1898 | // XXX: SendComplete(COMM_ERR_CLOSING) does little. Is it enough? | |
1899 | SendComplete(fd, NULL, 0, COMM_ERR_CLOSING, 0, this); | |
2bb867b5 | 1900 | } |
1901 | ||
5f8252d2 | 1902 | // called when we wrote request headers(!) or a part of the body |
2bb867b5 | 1903 | void |
5f8252d2 | 1904 | HttpStateData::sentRequestBody(int fd, size_t size, comm_err_t errflag) |
2bb867b5 | 1905 | { |
5f8252d2 | 1906 | if (size > 0) |
62e76326 | 1907 | kb_incr(&statCounter.server.http.kbytes_out, size); |
fc68f6b1 | 1908 | |
5f8252d2 | 1909 | ServerStateData::sentRequestBody(fd, size, errflag); |
1910 | } | |
3b299123 | 1911 | |
5f8252d2 | 1912 | // Quickly abort the transaction |
1913 | // TODO: destruction should be sufficient as the destructor should cleanup, | |
1914 | // including canceling close handlers | |
1915 | void | |
1916 | HttpStateData::abortTransaction(const char *reason) | |
1917 | { | |
1918 | debugs(11,5, HERE << "aborting transaction for " << reason << | |
1919 | "; FD " << fd << ", this " << this); | |
fc68f6b1 | 1920 | |
5f8252d2 | 1921 | if (fd >= 0) |
62e76326 | 1922 | comm_close(fd); |
5f8252d2 | 1923 | else |
1924 | delete this; | |
54220df8 | 1925 | } |
ccf44862 | 1926 | |
1927 | void | |
450e0c10 | 1928 | httpBuildVersion(HttpVersion * version, unsigned int major, unsigned int minor) |
110eb4e5 | 1929 | { |
1930 | version->major = major; | |
1931 | version->minor = minor; | |
ccf44862 | 1932 | } |
2afaba07 | 1933 | |
1934 | #if ICAP_CLIENT | |
1935 | ||
1936 | static void | |
1937 | icapAclCheckDoneWrapper(ICAPServiceRep::Pointer service, void *data) | |
1938 | { | |
1939 | HttpStateData *http = (HttpStateData *)data; | |
1940 | http->icapAclCheckDone(service); | |
1941 | } | |
1942 | ||
1943 | void | |
1944 | HttpStateData::icapAclCheckDone(ICAPServiceRep::Pointer service) | |
1945 | { | |
1946 | icapAccessCheckPending = false; | |
1947 | ||
5f8252d2 | 1948 | const bool startedIcap = startIcap(service, orig_request); |
c99de607 | 1949 | |
1950 | if (!startedIcap && (!service || service->bypass)) { | |
1951 | // handle ICAP start failure when no service was selected | |
1952 | // or where the selected service was optional | |
db237875 | 1953 | entry->replaceHttpReply(reply); |
2afaba07 | 1954 | |
2afaba07 | 1955 | haveParsedReplyHeaders(); |
1956 | processReplyBody(); | |
1957 | ||
1958 | if (eof == 1) | |
5f8252d2 | 1959 | serverComplete(); |
2afaba07 | 1960 | |
1961 | return; | |
1962 | } | |
1963 | ||
c99de607 | 1964 | if (!startedIcap) { |
1965 | // handle start failure for an essential ICAP service | |
2cc81f1f | 1966 | ErrorState *err = errorCon(ERR_ICAP_FAILURE, HTTP_INTERNAL_SERVER_ERROR, orig_request); |
2afaba07 | 1967 | err->xerrno = errno; |
2afaba07 | 1968 | errorAppendEntry(entry, err); |
1969 | comm_close(fd); | |
1970 | return; | |
1971 | } | |
1972 | ||
2afaba07 | 1973 | processReplyBody(); |
1974 | } | |
1975 | ||
2afaba07 | 1976 | #endif |