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da2b3a17 | 1 | |
30a4f2a8 | 2 | /* |
7a7cc03f | 3 | * $Id: http.cc,v 1.531 2007/06/26 00:35:24 rousskov 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); |
30abd221 | 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) | |
30abd221 | 95 | url = orig_request->urlpath.buf(); |
a3d50c30 | 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); | |
bf8fe701 | 164 | debugs(11, 5, "httpStateFree: FD " << fd << ", httpState=" << 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; |
bf8fe701 | 185 | debugs(11, 4, "httpTimeout: FD " << 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)) { |
30abd221 | 433 | String s = hdr->getList(HDR_PRAGMA); |
62e76326 | 434 | const int no_cache = strListIsMember(&s, "no-cache", ','); |
30abd221 | 435 | s.clean(); |
62e76326 | 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)) { |
bf8fe701 | 470 | debugs(22, 3, "refreshIsCachable() returned non-cacheable.."); |
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: |
f18c86fd | 495 | case HTTP_TEMPORARY_REDIRECT: |
6a2bf8f4 | 496 | if (rep->expires > rep->date && rep->date > 0) |
62e76326 | 497 | return 1; |
498 | else | |
499 | return 0; | |
500 | ||
501 | /* NOTREACHED */ | |
502 | break; | |
503 | ||
504 | /* Errors can be negatively cached */ | |
505 | ||
19a04dac | 506 | case HTTP_NO_CONTENT: |
62e76326 | 507 | |
19a04dac | 508 | case HTTP_USE_PROXY: |
62e76326 | 509 | |
19a04dac | 510 | case HTTP_BAD_REQUEST: |
62e76326 | 511 | |
19a04dac | 512 | case HTTP_FORBIDDEN: |
62e76326 | 513 | |
19a04dac | 514 | case HTTP_NOT_FOUND: |
62e76326 | 515 | |
19a04dac | 516 | case HTTP_METHOD_NOT_ALLOWED: |
62e76326 | 517 | |
19a04dac | 518 | case HTTP_REQUEST_URI_TOO_LARGE: |
62e76326 | 519 | |
19a04dac | 520 | case HTTP_INTERNAL_SERVER_ERROR: |
62e76326 | 521 | |
19a04dac | 522 | case HTTP_NOT_IMPLEMENTED: |
62e76326 | 523 | |
19a04dac | 524 | case HTTP_BAD_GATEWAY: |
62e76326 | 525 | |
19a04dac | 526 | case HTTP_SERVICE_UNAVAILABLE: |
62e76326 | 527 | |
19a04dac | 528 | case HTTP_GATEWAY_TIMEOUT: |
62e76326 | 529 | return -1; |
530 | ||
531 | /* NOTREACHED */ | |
532 | break; | |
533 | ||
534 | /* Some responses can never be cached */ | |
535 | ||
0cdcddb9 | 536 | case HTTP_PARTIAL_CONTENT: /* Not yet supported */ |
62e76326 | 537 | |
19a04dac | 538 | case HTTP_SEE_OTHER: |
62e76326 | 539 | |
19a04dac | 540 | case HTTP_NOT_MODIFIED: |
62e76326 | 541 | |
19a04dac | 542 | case HTTP_UNAUTHORIZED: |
62e76326 | 543 | |
19a04dac | 544 | case HTTP_PROXY_AUTHENTICATION_REQUIRED: |
62e76326 | 545 | |
0cdcddb9 | 546 | case HTTP_INVALID_HEADER: /* Squid header parsing error */ |
4eb368f9 | 547 | |
548 | case HTTP_HEADER_TOO_LARGE: | |
b004a7fc | 549 | |
550 | case HTTP_PAYMENT_REQUIRED: | |
551 | case HTTP_NOT_ACCEPTABLE: | |
552 | case HTTP_REQUEST_TIMEOUT: | |
553 | case HTTP_CONFLICT: | |
554 | case HTTP_LENGTH_REQUIRED: | |
555 | case HTTP_PRECONDITION_FAILED: | |
556 | case HTTP_REQUEST_ENTITY_TOO_LARGE: | |
557 | case HTTP_UNSUPPORTED_MEDIA_TYPE: | |
558 | case HTTP_UNPROCESSABLE_ENTITY: | |
559 | case HTTP_LOCKED: | |
560 | case HTTP_FAILED_DEPENDENCY: | |
561 | case HTTP_INSUFFICIENT_STORAGE: | |
cc7c3c84 | 562 | case HTTP_REQUESTED_RANGE_NOT_SATISFIABLE: |
563 | case HTTP_EXPECTATION_FAILED: | |
b004a7fc | 564 | |
62e76326 | 565 | return 0; |
566 | ||
c54e9052 | 567 | default: /* Unknown status code */ |
b004a7fc | 568 | debugs (11, 0, HERE << "HttpStateData::cacheableReply: unexpected http status code " << getReply()->sline.status); |
62e76326 | 569 | |
570 | return 0; | |
571 | ||
572 | /* NOTREACHED */ | |
573 | break; | |
c54e9052 | 574 | } |
62e76326 | 575 | |
79d39a72 | 576 | /* NOTREACHED */ |
c54e9052 | 577 | } |
090089c4 | 578 | |
f66a9ef4 | 579 | /* |
580 | * For Vary, store the relevant request headers as | |
581 | * virtual headers in the reply | |
582 | * Returns false if the variance cannot be stored | |
583 | */ | |
584 | const char * | |
190154cf | 585 | httpMakeVaryMark(HttpRequest * request, HttpReply const * reply) |
f66a9ef4 | 586 | { |
30abd221 | 587 | String vary, hdr; |
f66a9ef4 | 588 | const char *pos = NULL; |
589 | const char *item; | |
590 | const char *value; | |
591 | int ilen; | |
30abd221 | 592 | static String vstr; |
f66a9ef4 | 593 | |
30abd221 | 594 | vstr.clean(); |
a9925b40 | 595 | vary = reply->header.getList(HDR_VARY); |
62e76326 | 596 | |
f66a9ef4 | 597 | while (strListGetItem(&vary, ',', &item, &ilen, &pos)) { |
62e76326 | 598 | char *name = (char *)xmalloc(ilen + 1); |
599 | xstrncpy(name, item, ilen + 1); | |
600 | Tolower(name); | |
9776e3cc | 601 | |
602 | if (strcmp(name, "*") == 0) { | |
603 | /* Can not handle "Vary: *" withtout ETag support */ | |
604 | safe_free(name); | |
30abd221 | 605 | vstr.clean(); |
9776e3cc | 606 | break; |
607 | } | |
608 | ||
62e76326 | 609 | strListAdd(&vstr, name, ','); |
a9925b40 | 610 | hdr = request->header.getByName(name); |
62e76326 | 611 | safe_free(name); |
30abd221 | 612 | value = hdr.buf(); |
62e76326 | 613 | |
614 | if (value) { | |
615 | value = rfc1738_escape_part(value); | |
616 | vstr.append("=\"", 2); | |
617 | vstr.append(value); | |
618 | vstr.append("\"", 1); | |
619 | } | |
620 | ||
30abd221 | 621 | hdr.clean(); |
f66a9ef4 | 622 | } |
62e76326 | 623 | |
30abd221 | 624 | vary.clean(); |
f66a9ef4 | 625 | #if X_ACCELERATOR_VARY |
62e76326 | 626 | |
aa38be4a | 627 | pos = NULL; |
a9925b40 | 628 | vary = reply->header.getList(HDR_X_ACCELERATOR_VARY); |
62e76326 | 629 | |
f66a9ef4 | 630 | while (strListGetItem(&vary, ',', &item, &ilen, &pos)) { |
62e76326 | 631 | char *name = (char *)xmalloc(ilen + 1); |
632 | xstrncpy(name, item, ilen + 1); | |
633 | Tolower(name); | |
634 | strListAdd(&vstr, name, ','); | |
a9925b40 | 635 | hdr = request->header.getByName(name); |
62e76326 | 636 | safe_free(name); |
30abd221 | 637 | value = hdr.buf(); |
62e76326 | 638 | |
639 | if (value) { | |
640 | value = rfc1738_escape_part(value); | |
641 | vstr.append("=\"", 2); | |
642 | vstr.append(value); | |
643 | vstr.append("\"", 1); | |
644 | } | |
645 | ||
30abd221 | 646 | hdr.clean(); |
f66a9ef4 | 647 | } |
62e76326 | 648 | |
30abd221 | 649 | vary.clean(); |
f66a9ef4 | 650 | #endif |
62e76326 | 651 | |
30abd221 | 652 | debugs(11, 3, "httpMakeVaryMark: " << vstr.buf()); |
653 | return vstr.buf(); | |
f66a9ef4 | 654 | } |
655 | ||
4eb368f9 | 656 | void |
657 | HttpStateData::failReply(HttpReply *reply, http_status const & status) | |
658 | { | |
659 | reply->sline.version = HttpVersion(1, 0); | |
660 | reply->sline.status = status; | |
db237875 | 661 | entry->replaceHttpReply(reply); |
4eb368f9 | 662 | } |
663 | ||
2afaba07 | 664 | void |
665 | HttpStateData::keepaliveAccounting(HttpReply *reply) | |
666 | { | |
667 | if (flags.keepalive) | |
668 | if (_peer) | |
669 | _peer->stats.n_keepalives_sent++; | |
670 | ||
671 | if (reply->keep_alive) { | |
672 | if (_peer) | |
673 | _peer->stats.n_keepalives_recv++; | |
674 | ||
675 | if (Config.onoff.detect_broken_server_pconns && reply->bodySize(request->method) == -1) { | |
bf8fe701 | 676 | debugs(11, 1, "keepaliveAccounting: Impossible keep-alive header from '" << entry->url() << "'" ); |
677 | // debugs(11, 2, "GOT HTTP REPLY HDR:\n---------\n" << readBuf->content() << "\n----------" ); | |
2afaba07 | 678 | flags.keepalive_broken = 1; |
679 | } | |
680 | } | |
681 | } | |
682 | ||
683 | void | |
684 | HttpStateData::checkDateSkew(HttpReply *reply) | |
685 | { | |
686 | if (reply->date > -1 && !_peer) { | |
687 | int skew = abs((int)(reply->date - squid_curtime)); | |
688 | ||
689 | if (skew > 86400) | |
bf8fe701 | 690 | debugs(11, 3, "" << request->host << "'s clock is skewed by " << skew << " seconds!"); |
2afaba07 | 691 | } |
692 | } | |
693 | ||
694 | /* | |
4eb368f9 | 695 | * This creates the error page itself.. its likely |
696 | * that the forward ported reply header max size patch | |
697 | * generates non http conformant error pages - in which | |
698 | * case the errors where should be 'BAD_GATEWAY' etc | |
699 | */ | |
b8d8561b | 700 | void |
2afaba07 | 701 | HttpStateData::processReplyHeader() |
f5558c95 | 702 | { |
528b2c61 | 703 | /* Creates a blank header. If this routine is made incremental, this will |
704 | * not do | |
705 | */ | |
4a56ee8d | 706 | HttpReply *newrep = new HttpReply; |
82384411 | 707 | Ctx ctx = ctx_enter(entry->mem_obj->url); |
bf8fe701 | 708 | debugs(11, 3, "processReplyHeader: key '" << entry->getMD5Text() << "'"); |
62e76326 | 709 | |
1a98175f | 710 | assert(!flags.headers_parsed); |
62e76326 | 711 | |
2afaba07 | 712 | http_status error = HTTP_STATUS_NONE; |
62e76326 | 713 | |
4a56ee8d | 714 | const bool parsed = newrep->parse(readBuf, eof, &error); |
62e76326 | 715 | |
793c0ba9 | 716 | if(!parsed && readBuf->contentSize() > 5 && strncmp(readBuf->content(), "HTTP/", 5) != 0){ |
717 | MemBuf *mb; | |
718 | HttpReply *tmprep = new HttpReply; | |
719 | tmprep->sline.version = HttpVersion(1, 0); | |
720 | tmprep->sline.status = HTTP_OK; | |
721 | tmprep->header.putTime(HDR_DATE, squid_curtime); | |
722 | tmprep->header.putExt("X-Transformed-From", "HTTP/0.9"); | |
723 | mb = tmprep->pack(); | |
724 | newrep->parse(mb, eof, &error); | |
725 | delete tmprep; | |
4eb368f9 | 726 | } |
793c0ba9 | 727 | else{ |
728 | if (!parsed && error > 0) { // unrecoverable parsing error | |
729 | debugs(11, 3, "processReplyHeader: Non-HTTP-compliant header: '" << readBuf->content() << "'"); | |
730 | flags.headers_parsed = 1; | |
731 | // negated result yields http_status | |
732 | failReply (newrep, error); | |
733 | ctx_exit(ctx); | |
734 | return; | |
735 | } | |
736 | ||
737 | if (!parsed) { // need more data | |
738 | assert(!error); | |
739 | assert(!eof); | |
740 | delete newrep; | |
741 | ctx_exit(ctx); | |
742 | return; | |
743 | } | |
744 | ||
745 | debugs(11, 9, "GOT HTTP REPLY HDR:\n---------\n" << readBuf->content() << "\n----------"); | |
746 | ||
747 | header_bytes_read = headersEnd(readBuf->content(), readBuf->contentSize()); | |
748 | readBuf->consume(header_bytes_read); | |
f5558c95 | 749 | } |
62e76326 | 750 | |
6dd9f4bd | 751 | reply = HTTPMSGLOCK(newrep); |
6965ab28 | 752 | flags.headers_parsed = 1; |
753 | ||
2afaba07 | 754 | keepaliveAccounting(reply); |
47ac2ebe | 755 | |
2afaba07 | 756 | checkDateSkew(reply); |
47ac2ebe | 757 | |
43ae1d95 | 758 | processSurrogateControl (reply); |
528b2c61 | 759 | |
760 | /* TODO: IF the reply is a 1.0 reply, AND it has a Connection: Header | |
761 | * Parse the header and remove all referenced headers | |
762 | */ | |
763 | ||
2afaba07 | 764 | #if ICAP_CLIENT |
765 | ||
ab7ac359 | 766 | if (TheICAPConfig.onoff) { |
2afaba07 | 767 | ICAPAccessCheck *icap_access_check = |
768 | new ICAPAccessCheck(ICAP::methodRespmod, ICAP::pointPreCache, request, reply, icapAclCheckDoneWrapper, this); | |
769 | ||
770 | icapAccessCheckPending = true; | |
771 | icap_access_check->check(); // will eventually delete self | |
772 | ctx_exit(ctx); | |
773 | return; | |
774 | } | |
ab7ac359 | 775 | |
2afaba07 | 776 | #endif |
777 | ||
db237875 | 778 | entry->replaceHttpReply(reply); |
2afaba07 | 779 | |
2afaba07 | 780 | haveParsedReplyHeaders(); |
781 | ||
2afaba07 | 782 | ctx_exit(ctx); |
783 | } | |
784 | ||
5f8252d2 | 785 | // Called when we parsed (and possibly adapted) the headers but |
786 | // had not starting storing (a.k.a., sending) the body yet. | |
2afaba07 | 787 | void |
788 | HttpStateData::haveParsedReplyHeaders() | |
789 | { | |
790 | Ctx ctx = ctx_enter(entry->mem_obj->url); | |
791 | ||
792 | if (getReply()->sline.status == HTTP_PARTIAL_CONTENT && | |
793 | getReply()->content_range) | |
794 | currentOffset = getReply()->content_range->spec.offset; | |
62e76326 | 795 | |
3900307b | 796 | entry->timestampsSet(); |
62e76326 | 797 | |
9bc73deb | 798 | /* Check if object is cacheable or not based on reply code */ |
bf8fe701 | 799 | debugs(11, 3, "haveParsedReplyHeaders: HTTP CODE: " << getReply()->sline.status); |
62e76326 | 800 | |
9bc73deb | 801 | if (neighbors_do_private_keys) |
2afaba07 | 802 | httpMaybeRemovePublic(entry, getReply()->sline.status); |
e6ccf245 | 803 | |
a9925b40 | 804 | if (getReply()->header.has(HDR_VARY) |
f66a9ef4 | 805 | #if X_ACCELERATOR_VARY |
a9925b40 | 806 | || getReply()->header.has(HDR_X_ACCELERATOR_VARY) |
f66a9ef4 | 807 | #endif |
4b44c907 | 808 | ) { |
2afaba07 | 809 | const char *vary = httpMakeVaryMark(orig_request, getReply()); |
4b44c907 | 810 | |
811 | if (!vary) { | |
5ed72359 | 812 | entry->makePrivate(); |
4b44c907 | 813 | goto no_cache; |
814 | ||
62e76326 | 815 | } |
816 | ||
4b44c907 | 817 | entry->mem_obj->vary_headers = xstrdup(vary); |
818 | } | |
819 | ||
2afaba07 | 820 | #if WIP_FWD_LOG |
821 | fwdStatus(fwd, s); | |
822 | ||
823 | #endif | |
824 | /* | |
825 | * If its not a reply that we will re-forward, then | |
826 | * allow the client to get it. | |
827 | */ | |
b6b6f466 | 828 | if (!fwd->reforwardableStatus(getReply()->sline.status)) |
2afaba07 | 829 | EBIT_CLR(entry->flags, ENTRY_FWD_HDR_WAIT); |
830 | ||
4b44c907 | 831 | switch (cacheableReply()) { |
832 | ||
833 | case 1: | |
5ed72359 | 834 | entry->makePublic(); |
62e76326 | 835 | break; |
836 | ||
9bc73deb | 837 | case 0: |
5ed72359 | 838 | entry->makePrivate(); |
62e76326 | 839 | break; |
840 | ||
9bc73deb | 841 | case -1: |
4b44c907 | 842 | |
843 | if (Config.negativeTtl > 0) | |
5ed72359 | 844 | entry->cacheNegatively(); |
4b44c907 | 845 | else |
5ed72359 | 846 | entry->makePrivate(); |
4b44c907 | 847 | |
62e76326 | 848 | break; |
849 | ||
9bc73deb | 850 | default: |
62e76326 | 851 | assert(0); |
4b44c907 | 852 | |
62e76326 | 853 | break; |
9bc73deb | 854 | } |
62e76326 | 855 | |
4b44c907 | 856 | no_cache: |
857 | ||
2afaba07 | 858 | if (!ignoreCacheControl && getReply()->cache_control) { |
859 | if (EBIT_TEST(getReply()->cache_control->mask, CC_PROXY_REVALIDATE)) | |
62e76326 | 860 | EBIT_SET(entry->flags, ENTRY_REVALIDATE); |
2afaba07 | 861 | else if (EBIT_TEST(getReply()->cache_control->mask, CC_MUST_REVALIDATE)) |
62e76326 | 862 | EBIT_SET(entry->flags, ENTRY_REVALIDATE); |
9bc73deb | 863 | } |
62e76326 | 864 | |
c3609322 | 865 | #if HEADERS_LOG |
2afaba07 | 866 | headersLog(1, 0, request->method, getReply()); |
fc68f6b1 | 867 | |
c3609322 | 868 | #endif |
5f8252d2 | 869 | |
870 | ctx_exit(ctx); | |
f5558c95 | 871 | } |
872 | ||
528b2c61 | 873 | HttpStateData::ConnectionStatus |
874 | HttpStateData::statusIfComplete() const | |
603a02fd | 875 | { |
2afaba07 | 876 | HttpReply const *rep = getReply(); |
528b2c61 | 877 | /* If the reply wants to close the connection, it takes precedence */ |
62e76326 | 878 | |
2afaba07 | 879 | if (httpHeaderHasConnDir(&rep->header, "close")) |
62e76326 | 880 | return COMPLETE_NONPERSISTENT_MSG; |
881 | ||
528b2c61 | 882 | /* If we didn't send a keep-alive request header, then this |
978e455f | 883 | * can not be a persistent connection. |
884 | */ | |
528b2c61 | 885 | if (!flags.keepalive) |
62e76326 | 886 | return COMPLETE_NONPERSISTENT_MSG; |
887 | ||
72b63f06 | 888 | /* |
889 | * If we haven't sent the whole request then this can not be a persistent | |
890 | * connection. | |
891 | */ | |
892 | if (!flags.request_sent) { | |
bf8fe701 | 893 | debugs(11, 1, "statusIfComplete: Request not yet fully sent \"" << RequestMethodStr[orig_request->method] << " " << entry->url() << "\"" ); |
72b63f06 | 894 | return COMPLETE_NONPERSISTENT_MSG; |
895 | } | |
896 | ||
9f5a2895 | 897 | /* |
898 | * What does the reply have to say about keep-alive? | |
899 | */ | |
b6a2f15e | 900 | /* |
901 | * XXX BUG? | |
902 | * If the origin server (HTTP/1.0) does not send a keep-alive | |
903 | * header, but keeps the connection open anyway, what happens? | |
904 | * We'll return here and http.c waits for an EOF before changing | |
905 | * store_status to STORE_OK. Combine this with ENTRY_FWD_HDR_WAIT | |
906 | * and an error status code, and we might have to wait until | |
907 | * the server times out the socket. | |
908 | */ | |
2afaba07 | 909 | if (!rep->keep_alive) |
528b2c61 | 910 | return COMPLETE_NONPERSISTENT_MSG; |
62e76326 | 911 | |
528b2c61 | 912 | return COMPLETE_PERSISTENT_MSG; |
913 | } | |
914 | ||
915 | HttpStateData::ConnectionStatus | |
916 | HttpStateData::persistentConnStatus() const | |
917 | { | |
bf8fe701 | 918 | debugs(11, 3, "persistentConnStatus: FD " << fd); |
919 | debugs(11, 5, "persistentConnStatus: content_length=" << reply->content_length); | |
62e76326 | 920 | |
5f8252d2 | 921 | /* If we haven't seen the end of reply headers, we are not done */ |
bf8fe701 | 922 | debugs(11, 5, "persistentConnStatus: flags.headers_parsed=" << flags.headers_parsed); |
fc68f6b1 | 923 | |
1a98175f | 924 | if (!flags.headers_parsed) |
62e76326 | 925 | return INCOMPLETE_MSG; |
926 | ||
5f8252d2 | 927 | const int clen = reply->bodySize(request->method); |
fc68f6b1 | 928 | |
bf8fe701 | 929 | debugs(11, 5, "persistentConnStatus: clen=" << clen); |
2afaba07 | 930 | |
35282fbf | 931 | /* If the body size is unknown we must wait for EOF */ |
932 | if (clen < 0) | |
62e76326 | 933 | return INCOMPLETE_MSG; |
934 | ||
5f8252d2 | 935 | /* If the body size is known, we must wait until we've gotten all of it. */ |
936 | if (clen > 0) { | |
937 | // old technique: | |
938 | // if (entry->mem_obj->endOffset() < reply->content_length + reply->hdr_sz) | |
939 | const int body_bytes_read = reply_bytes_read - header_bytes_read; | |
940 | debugs(11,5, "persistentConnStatus: body_bytes_read=" << | |
fc68f6b1 | 941 | body_bytes_read << " content_length=" << reply->content_length); |
2afaba07 | 942 | |
5f8252d2 | 943 | if (body_bytes_read < reply->content_length) |
944 | return INCOMPLETE_MSG; | |
945 | } | |
62e76326 | 946 | |
5f8252d2 | 947 | /* If there is no message body or we got it all, we can be persistent */ |
948 | return statusIfComplete(); | |
603a02fd | 949 | } |
090089c4 | 950 | |
2afaba07 | 951 | /* |
952 | * This is the callback after some data has been read from the network | |
953 | */ | |
e5ee81f0 | 954 | void |
955 | HttpStateData::ReadReplyWrapper(int fd, char *buf, size_t len, comm_err_t flag, int xerrno, void *data) | |
c4b7a5a9 | 956 | { |
957 | HttpStateData *httpState = static_cast<HttpStateData *>(data); | |
7194987f | 958 | assert (fd == httpState->fd); |
2afaba07 | 959 | // assert(buf == readBuf->content()); |
1d5161bd | 960 | PROF_start(HttpStateData_readReply); |
2afaba07 | 961 | httpState->readReply (len, flag, xerrno); |
1d5161bd | 962 | PROF_stop(HttpStateData_readReply); |
c4b7a5a9 | 963 | } |
964 | ||
2afdbf48 | 965 | /* XXX this function is too long! */ |
c4b7a5a9 | 966 | void |
2afaba07 | 967 | HttpStateData::readReply (size_t len, comm_err_t flag, int xerrno) |
090089c4 | 968 | { |
30a4f2a8 | 969 | int bin; |
090089c4 | 970 | int clen; |
f61f0107 | 971 | flags.do_next_read = 0; |
c4b7a5a9 | 972 | |
7a7cc03f | 973 | debugs(11, 5, "httpReadReply: FD " << fd << ": len " << len << "."); |
62e76326 | 974 | |
7a7cc03f | 975 | // Bail out early on COMM_ERR_CLOSING - close handlers will tidy up for us |
c4b7a5a9 | 976 | if (flag == COMM_ERR_CLOSING) { |
bf8fe701 | 977 | debugs(11, 3, "http socket closing"); |
c4b7a5a9 | 978 | return; |
979 | } | |
980 | ||
e92e4e44 | 981 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { |
5f8252d2 | 982 | maybeReadVirginBody(); |
62e76326 | 983 | return; |
e92e4e44 | 984 | } |
c4b7a5a9 | 985 | |
fdf55365 | 986 | // handle I/O errors |
987 | if (flag != COMM_OK || len < 0) { | |
7a7cc03f | 988 | debugs(11, 2, "httpReadReply: FD " << fd << ": read failure: " << xstrerror() << "."); |
fdf55365 | 989 | |
990 | if (ignoreErrno(xerrno)) { | |
991 | flags.do_next_read = 1; | |
992 | } else { | |
993 | ErrorState *err; | |
994 | err = errorCon(ERR_READ_ERROR, HTTP_BAD_GATEWAY, fwd->request); | |
995 | err->xerrno = xerrno; | |
996 | fwd->fail(err); | |
997 | flags.do_next_read = 0; | |
998 | comm_close(fd); | |
999 | } | |
1000 | ||
1001 | return; | |
1002 | } | |
1003 | ||
7a7cc03f | 1004 | // update I/O stats |
fdf55365 | 1005 | if (len > 0) { |
2afaba07 | 1006 | readBuf->appended(len); |
5f8252d2 | 1007 | reply_bytes_read += len; |
447e176b | 1008 | #if DELAY_POOLS |
2afaba07 | 1009 | |
1010 | DelayId delayId = entry->mem_obj->mostBytesAllowed(); | |
62e76326 | 1011 | delayId.bytesIn(len); |
447e176b | 1012 | #endif |
62e76326 | 1013 | |
1014 | kb_incr(&statCounter.server.all.kbytes_in, len); | |
1015 | kb_incr(&statCounter.server.http.kbytes_in, len); | |
62e76326 | 1016 | IOStats.Http.reads++; |
1017 | ||
1018 | for (clen = len - 1, bin = 0; clen; bin++) | |
1019 | clen >>= 1; | |
1020 | ||
1021 | IOStats.Http.read_hist[bin]++; | |
30a4f2a8 | 1022 | } |
62e76326 | 1023 | |
5fa061b8 | 1024 | /* here the RFC says we should ignore whitespace between replies, but we can't as |
1025 | * doing so breaks HTTP/0.9 replies beginning with witespace, and in addition | |
1026 | * the response splitting countermeasures is extremely likely to trigger on this, | |
1027 | * not allowing connection reuse in the first place. | |
1028 | */ | |
1029 | #if DONT_DO_THIS | |
fdf55365 | 1030 | if (!flags.headers_parsed && len > 0 && fd_table[fd].uses > 1) { |
5fa061b8 | 1031 | /* Skip whitespace between replies */ |
62e76326 | 1032 | |
e4755e29 | 1033 | while (len > 0 && xisspace(*buf)) |
62e76326 | 1034 | xmemmove(buf, buf + 1, len--); |
1035 | ||
1036 | if (len == 0) { | |
1037 | /* Continue to read... */ | |
21b92762 | 1038 | /* Timeout NOT increased. This whitespace was from previous reply */ |
f61f0107 | 1039 | flags.do_next_read = 1; |
5f8252d2 | 1040 | maybeReadVirginBody(); |
62e76326 | 1041 | return; |
1042 | } | |
5ede6c8f | 1043 | } |
62e76326 | 1044 | |
5fa061b8 | 1045 | #endif |
1046 | ||
fdf55365 | 1047 | if (len == 0 && !flags.headers_parsed) { |
2cc81f1f | 1048 | fwd->fail(errorCon(ERR_ZERO_SIZE_OBJECT, HTTP_BAD_GATEWAY, fwd->request)); |
62e76326 | 1049 | eof = 1; |
f61f0107 | 1050 | flags.do_next_read = 0; |
62e76326 | 1051 | comm_close(fd); |
fdf55365 | 1052 | } else if (len == 0) { |
62e76326 | 1053 | /* Connection closed; retrieval done. */ |
1054 | eof = 1; | |
1055 | ||
2cca9b7d | 1056 | if (!flags.headers_parsed) { |
62e76326 | 1057 | /* |
3f7d66c7 | 1058 | * When we called processReplyHeader() before, we |
1a98175f | 1059 | * didn't find the end of headers, but now we are |
1060 | * definately at EOF, so we want to process the reply | |
1061 | * headers. | |
62e76326 | 1062 | */ |
fc68f6b1 | 1063 | PROF_start(HttpStateData_processReplyHeader); |
2afaba07 | 1064 | processReplyHeader(); |
fc68f6b1 | 1065 | PROF_stop(HttpStateData_processReplyHeader); |
1066 | } else if (getReply()->sline.status == HTTP_INVALID_HEADER && HttpVersion(0,9) != getReply()->sline.version) { | |
2cc81f1f | 1067 | fwd->fail(errorCon(ERR_INVALID_RESP, HTTP_BAD_GATEWAY, fwd->request)); |
f61f0107 | 1068 | flags.do_next_read = 0; |
47ac2ebe | 1069 | } else { |
4eb368f9 | 1070 | if (entry->mem_obj->getReply()->sline.status == HTTP_HEADER_TOO_LARGE) { |
3900307b | 1071 | entry->reset(); |
2cc81f1f | 1072 | fwd->fail( errorCon(ERR_TOO_BIG, HTTP_BAD_GATEWAY, fwd->request)); |
b6b6f466 | 1073 | fwd->dontRetry(true); |
2afaba07 | 1074 | flags.do_next_read = 0; |
1075 | comm_close(fd); | |
4eb368f9 | 1076 | } else { |
5f8252d2 | 1077 | serverComplete(); |
4eb368f9 | 1078 | } |
62e76326 | 1079 | } |
090089c4 | 1080 | } else { |
1a98175f | 1081 | if (!flags.headers_parsed) { |
fc68f6b1 | 1082 | PROF_start(HttpStateData_processReplyHeader); |
2afaba07 | 1083 | processReplyHeader(); |
fc68f6b1 | 1084 | PROF_stop(HttpStateData_processReplyHeader); |
62e76326 | 1085 | |
1a98175f | 1086 | if (flags.headers_parsed) { |
42f79b17 | 1087 | bool fail = reply == NULL; |
47ac2ebe | 1088 | |
42f79b17 | 1089 | if (!fail) { |
1090 | http_status s = getReply()->sline.status; | |
1091 | HttpVersion httpver = getReply()->sline.version; | |
1092 | fail = s == HTTP_INVALID_HEADER && httpver != HttpVersion(0,9); | |
1093 | } | |
1094 | ||
1095 | if (fail) { | |
3900307b | 1096 | entry->reset(); |
2cc81f1f | 1097 | fwd->fail( errorCon(ERR_INVALID_RESP, HTTP_BAD_GATEWAY, fwd->request)); |
47ac2ebe | 1098 | comm_close(fd); |
1099 | return; | |
1100 | } | |
1101 | ||
2afaba07 | 1102 | } |
1103 | } | |
1104 | ||
1105 | PROF_start(HttpStateData_processReplyBody); | |
1106 | processReplyBody(); | |
1107 | PROF_stop(HttpStateData_processReplyBody); | |
1108 | } | |
1109 | } | |
1110 | ||
1111 | /* | |
1112 | * Call this when there is data from the origin server | |
1113 | * which should be sent to either StoreEntry, or to ICAP... | |
1114 | */ | |
1115 | void | |
5f8252d2 | 1116 | HttpStateData::writeReplyBody() |
2afaba07 | 1117 | { |
5f8252d2 | 1118 | const char *data = readBuf->content(); |
1119 | int len = readBuf->contentSize(); | |
62e76326 | 1120 | |
5f8252d2 | 1121 | #if ICAP_CLIENT |
fc68f6b1 | 1122 | |
5f8252d2 | 1123 | if (virginBodyDestination != NULL) { |
1124 | const size_t putSize = virginBodyDestination->putMoreData(data, len); | |
1125 | readBuf->consume(putSize); | |
1126 | return; | |
1127 | } | |
fc68f6b1 | 1128 | |
5f8252d2 | 1129 | // Even if we are done with sending the virgin body to ICAP, we may still |
1130 | // be waiting for adapted headers. We need them before writing to store. | |
1131 | if (adaptedHeadSource != NULL) { | |
1132 | debugs(11,5, HERE << "need adapted head from " << adaptedHeadSource); | |
2afaba07 | 1133 | return; |
1134 | } | |
fc68f6b1 | 1135 | |
225644d7 | 1136 | #endif |
62e76326 | 1137 | |
2afaba07 | 1138 | entry->write (StoreIOBuffer(len, currentOffset, (char*)data)); |
fc68f6b1 | 1139 | |
5f8252d2 | 1140 | readBuf->consume(len); |
fc68f6b1 | 1141 | |
2afaba07 | 1142 | currentOffset += len; |
e6ccf245 | 1143 | } |
1144 | ||
2afaba07 | 1145 | /* |
1146 | * processReplyBody has two purposes: | |
1147 | * 1 - take the reply body data, if any, and put it into either | |
1148 | * the StoreEntry, or give it over to ICAP. | |
1149 | * 2 - see if we made it to the end of the response (persistent | |
1150 | * connections and such) | |
1151 | */ | |
e6ccf245 | 1152 | void |
2afaba07 | 1153 | HttpStateData::processReplyBody() |
e6ccf245 | 1154 | { |
fc68f6b1 | 1155 | |
1156 | struct IN_ADDR *client_addr = NULL; | |
1157 | ||
1a98175f | 1158 | if (!flags.headers_parsed) { |
f61f0107 | 1159 | flags.do_next_read = 1; |
5f8252d2 | 1160 | maybeReadVirginBody(); |
62e76326 | 1161 | return; |
528b2c61 | 1162 | } |
62e76326 | 1163 | |
2afaba07 | 1164 | #if ICAP_CLIENT |
1165 | if (icapAccessCheckPending) | |
1166 | return; | |
fc68f6b1 | 1167 | |
2afaba07 | 1168 | #endif |
62e76326 | 1169 | |
2afaba07 | 1170 | /* |
1171 | * At this point the reply headers have been parsed and consumed. | |
1172 | * That means header content has been removed from readBuf and | |
1173 | * it contains only body data. | |
1174 | */ | |
5f8252d2 | 1175 | writeReplyBody(); |
528b2c61 | 1176 | |
e6ccf245 | 1177 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { |
62e76326 | 1178 | /* |
2afaba07 | 1179 | * the above writeReplyBody() call could ABORT this entry, |
62e76326 | 1180 | * in that case, the server FD should already be closed. |
1181 | * there's nothing for us to do. | |
1182 | */ | |
1183 | (void) 0; | |
1184 | } else | |
1185 | switch (persistentConnStatus()) { | |
1186 | ||
1187 | case INCOMPLETE_MSG: | |
bf8fe701 | 1188 | debugs(11, 5, "processReplyBody: INCOMPLETE_MSG"); |
21b92762 | 1189 | /* Wait for more data or EOF condition */ |
1190 | ||
1191 | if (flags.keepalive_broken) { | |
1192 | commSetTimeout(fd, 10, NULL, NULL); | |
1193 | } else { | |
1194 | commSetTimeout(fd, Config.Timeout.read, NULL, NULL); | |
1195 | } | |
1196 | ||
f61f0107 | 1197 | flags.do_next_read = 1; |
62e76326 | 1198 | break; |
1199 | ||
1200 | case COMPLETE_PERSISTENT_MSG: | |
bf8fe701 | 1201 | debugs(11, 5, "processReplyBody: COMPLETE_PERSISTENT_MSG"); |
62e76326 | 1202 | /* yes we have to clear all these! */ |
62e76326 | 1203 | commSetTimeout(fd, -1, NULL, NULL); |
f61f0107 | 1204 | flags.do_next_read = 0; |
62e76326 | 1205 | |
1206 | comm_remove_close_handler(fd, httpStateFree, this); | |
b6b6f466 | 1207 | fwd->unregister(fd); |
fc68f6b1 | 1208 | #if LINUX_TPROXY |
1209 | ||
1210 | if (orig_request->flags.tproxy) | |
1211 | client_addr = &orig_request->client_addr; | |
1212 | ||
1213 | #endif | |
bd0723ad | 1214 | |
1215 | if (_peer) { | |
1216 | if (_peer->options.originserver) | |
fc68f6b1 | 1217 | fwd->pconnPush(fd, _peer->name, orig_request->port, orig_request->host, client_addr); |
bd0723ad | 1218 | else |
fc68f6b1 | 1219 | fwd->pconnPush(fd, _peer->name, _peer->http_port, NULL, client_addr); |
bd0723ad | 1220 | } else { |
fc68f6b1 | 1221 | fwd->pconnPush(fd, request->host, request->port, NULL, client_addr); |
bd0723ad | 1222 | } |
1223 | ||
62e76326 | 1224 | fd = -1; |
2afaba07 | 1225 | |
5f8252d2 | 1226 | serverComplete(); |
62e76326 | 1227 | return; |
1228 | ||
1229 | case COMPLETE_NONPERSISTENT_MSG: | |
bf8fe701 | 1230 | debugs(11, 5, "processReplyBody: COMPLETE_NONPERSISTENT_MSG"); |
5f8252d2 | 1231 | serverComplete(); |
62e76326 | 1232 | return; |
1233 | } | |
1234 | ||
5f8252d2 | 1235 | maybeReadVirginBody(); |
c4b7a5a9 | 1236 | } |
1237 | ||
1238 | void | |
5f8252d2 | 1239 | HttpStateData::maybeReadVirginBody() |
c4b7a5a9 | 1240 | { |
2afaba07 | 1241 | int read_sz = readBuf->spaceSize(); |
2afaba07 | 1242 | |
5f8252d2 | 1243 | #if ICAP_CLIENT |
5f8252d2 | 1244 | if (virginBodyDestination != NULL) { |
2afaba07 | 1245 | /* |
5f8252d2 | 1246 | * BodyPipe buffer has a finite size limit. We |
2afaba07 | 1247 | * should not read more data from the network than will fit |
254f3930 | 1248 | * into the pipe buffer or we _lose_ what did not fit if |
1249 | * the response ends sooner that BodyPipe frees up space: | |
1250 | * There is no code to keep pumping data into the pipe once | |
1251 | * response ends and serverComplete() is called. | |
1252 | * | |
1253 | * If the pipe is totally full, don't register the read handler. | |
1254 | * The BodyPipe will call our noteMoreBodySpaceAvailable() method | |
1255 | * when it has free space again. | |
2afaba07 | 1256 | */ |
5f8252d2 | 1257 | int icap_space = virginBodyDestination->buf().potentialSpaceSize(); |
2afaba07 | 1258 | |
1259 | debugs(11,9, "HttpStateData may read up to min(" << icap_space << | |
1260 | ", " << read_sz << ") bytes"); | |
1261 | ||
1262 | if (icap_space < read_sz) | |
1263 | read_sz = icap_space; | |
1264 | } | |
2afaba07 | 1265 | #endif |
1266 | ||
5f8252d2 | 1267 | debugs(11,9, HERE << (flags.do_next_read ? "may" : "wont") << |
fc68f6b1 | 1268 | " read up to " << read_sz << " bytes from FD " << fd); |
2afaba07 | 1269 | |
1270 | /* | |
1271 | * why <2? Because delayAwareRead() won't actually read if | |
1272 | * you ask it to read 1 byte. The delayed read request | |
1273 | * just gets re-queued until the client side drains, then | |
1274 | * the I/O thread hangs. Better to not register any read | |
1275 | * handler until we get a notification from someone that | |
1276 | * its okay to read again. | |
1277 | */ | |
1278 | if (read_sz < 2) | |
1279 | return; | |
1280 | ||
f61f0107 | 1281 | if (flags.do_next_read) { |
1282 | flags.do_next_read = 0; | |
e5ee81f0 | 1283 | entry->delayAwareRead(fd, readBuf->space(), read_sz, ReadReplyWrapper, this); |
528b2c61 | 1284 | } |
090089c4 | 1285 | } |
1286 | ||
2afaba07 | 1287 | /* |
1288 | * This will be called when request write is complete. | |
1289 | */ | |
d576a6a6 | 1290 | void |
2b663917 | 1291 | HttpStateData::SendComplete(int fd, char *bufnotused, size_t size, comm_err_t errflag, int xerrno, void *data) |
090089c4 | 1292 | { |
e6ccf245 | 1293 | HttpStateData *httpState = static_cast<HttpStateData *>(data); |
4a7a3d56 | 1294 | debugs(11, 5, "httpSendComplete: FD " << fd << ": size " << size << ": errflag " << errflag << "."); |
bc87dc25 | 1295 | #if URL_CHECKSUM_DEBUG |
62e76326 | 1296 | |
528b2c61 | 1297 | entry->mem_obj->checkUrlChecksum(); |
bc87dc25 | 1298 | #endif |
62e76326 | 1299 | |
ee1679df | 1300 | if (size > 0) { |
62e76326 | 1301 | fd_bytes(fd, size, FD_WRITE); |
1302 | kb_incr(&statCounter.server.all.kbytes_out, size); | |
1303 | kb_incr(&statCounter.server.http.kbytes_out, size); | |
ee1679df | 1304 | } |
62e76326 | 1305 | |
ea3a2a69 | 1306 | if (errflag == COMM_ERR_CLOSING) |
62e76326 | 1307 | return; |
1308 | ||
090089c4 | 1309 | if (errflag) { |
6cae5db1 | 1310 | ErrorState *err; |
2cc81f1f | 1311 | err = errorCon(ERR_WRITE_ERROR, HTTP_BAD_GATEWAY, httpState->fwd->request); |
2b663917 | 1312 | err->xerrno = xerrno; |
b6b6f466 | 1313 | httpState->fwd->fail(err); |
62e76326 | 1314 | comm_close(fd); |
1315 | return; | |
090089c4 | 1316 | } |
72b63f06 | 1317 | |
2afaba07 | 1318 | /* |
1319 | * Set the read timeout here because it hasn't been set yet. | |
1320 | * We only set the read timeout after the request has been | |
1321 | * fully written to the server-side. If we start the timeout | |
1322 | * after connection establishment, then we are likely to hit | |
1323 | * the timeout for POST/PUT requests that have very large | |
1324 | * request bodies. | |
1325 | */ | |
1326 | commSetTimeout(fd, Config.Timeout.read, httpTimeout, httpState); | |
1327 | ||
72b63f06 | 1328 | httpState->flags.request_sent = 1; |
090089c4 | 1329 | } |
1330 | ||
5f8252d2 | 1331 | // Close the HTTP server connection. Used by serverComplete(). |
2afaba07 | 1332 | void |
5f8252d2 | 1333 | HttpStateData::closeServer() |
2afaba07 | 1334 | { |
5f8252d2 | 1335 | debugs(11,5, HERE << "closing HTTP server FD " << fd << " this " << this); |
fc68f6b1 | 1336 | |
2afaba07 | 1337 | if (fd >= 0) { |
b6b6f466 | 1338 | fwd->unregister(fd); |
2afaba07 | 1339 | comm_remove_close_handler(fd, httpStateFree, this); |
1340 | comm_close(fd); | |
1341 | fd = -1; | |
1342 | } | |
5f8252d2 | 1343 | } |
2afaba07 | 1344 | |
5f8252d2 | 1345 | bool |
1346 | HttpStateData::doneWithServer() const | |
1347 | { | |
1348 | return fd < 0; | |
2afaba07 | 1349 | } |
1350 | ||
99edd1c3 | 1351 | /* |
1352 | * build request headers and append them to a given MemBuf | |
e5ee81f0 | 1353 | * used by buildRequestPrefix() |
818c6c9e | 1354 | * note: initialised the HttpHeader, the caller is responsible for Clean()-ing |
99edd1c3 | 1355 | */ |
e1e72f06 | 1356 | void |
e5ee81f0 | 1357 | HttpStateData::httpBuildRequestHeader(HttpRequest * request, |
1358 | HttpRequest * orig_request, | |
1359 | StoreEntry * entry, | |
1360 | HttpHeader * hdr_out, | |
1361 | http_state_flags flags) | |
6bf8443a | 1362 | { |
99edd1c3 | 1363 | /* building buffer for complex strings */ |
5999b776 | 1364 | #define BBUF_SZ (MAX_URL+32) |
99edd1c3 | 1365 | LOCAL_ARRAY(char, bbuf, BBUF_SZ); |
99edd1c3 | 1366 | const HttpHeader *hdr_in = &orig_request->header; |
1367 | const HttpHeaderEntry *e; | |
30abd221 | 1368 | String strFwd; |
99edd1c3 | 1369 | HttpHeaderPos pos = HttpHeaderInitPos; |
75faaa7a | 1370 | assert (hdr_out->owner == hoRequest); |
99edd1c3 | 1371 | /* append our IMS header */ |
62e76326 | 1372 | |
fa3e249f | 1373 | if (request->lastmod > -1) |
a9925b40 | 1374 | hdr_out->putTime(HDR_IF_MODIFIED_SINCE, request->lastmod); |
99edd1c3 | 1375 | |
528b2c61 | 1376 | bool we_do_ranges = decideIfWeDoRanges (orig_request); |
1377 | ||
30abd221 | 1378 | String strConnection (hdr_in->getList(HDR_CONNECTION)); |
62e76326 | 1379 | |
a9925b40 | 1380 | while ((e = hdr_in->getEntry(&pos))) |
62e76326 | 1381 | copyOneHeaderFromClientsideRequestToUpstreamRequest(e, strConnection, request, orig_request, hdr_out, we_do_ranges, flags); |
528b2c61 | 1382 | |
43ae1d95 | 1383 | /* Abstraction break: We should interpret multipart/byterange responses |
528b2c61 | 1384 | * into offset-length data, and this works around our inability to do so. |
1385 | */ | |
62e76326 | 1386 | if (!we_do_ranges && orig_request->multipartRangeRequest()) { |
1387 | /* don't cache the result */ | |
1388 | orig_request->flags.cachable = 0; | |
1389 | /* pretend it's not a range request */ | |
00d77d6b | 1390 | delete orig_request->range; |
62e76326 | 1391 | orig_request->range = NULL; |
1392 | orig_request->flags.range = 0; | |
1393 | } | |
528b2c61 | 1394 | |
99edd1c3 | 1395 | /* append Via */ |
736cb6aa | 1396 | if (Config.onoff.via) { |
30abd221 | 1397 | String strVia; |
a9925b40 | 1398 | strVia = hdr_in->getList(HDR_VIA); |
62e76326 | 1399 | snprintf(bbuf, BBUF_SZ, "%d.%d %s", |
1400 | orig_request->http_ver.major, | |
1401 | orig_request->http_ver.minor, ThisCache); | |
1402 | strListAdd(&strVia, bbuf, ','); | |
30abd221 | 1403 | hdr_out->putStr(HDR_VIA, strVia.buf()); |
1404 | strVia.clean(); | |
736cb6aa | 1405 | } |
62e76326 | 1406 | |
43ae1d95 | 1407 | #if ESI |
1408 | { | |
1409 | /* Append Surrogate-Capabilities */ | |
30abd221 | 1410 | String strSurrogate (hdr_in->getList(HDR_SURROGATE_CAPABILITY)); |
ec43ae0e | 1411 | snprintf(bbuf, BBUF_SZ, "%s=\"Surrogate/1.0 ESI/1.0\"", |
43ae1d95 | 1412 | Config.Accel.surrogate_id); |
1413 | strListAdd(&strSurrogate, bbuf, ','); | |
30abd221 | 1414 | hdr_out->putStr(HDR_SURROGATE_CAPABILITY, strSurrogate.buf()); |
43ae1d95 | 1415 | } |
1416 | #endif | |
1417 | ||
99edd1c3 | 1418 | /* append X-Forwarded-For */ |
a9925b40 | 1419 | strFwd = hdr_in->getList(HDR_X_FORWARDED_FOR); |
62e76326 | 1420 | |
6056ae68 | 1421 | if (opt_forwarded_for && orig_request->client_addr.s_addr != no_addr.s_addr) |
62e76326 | 1422 | strListAdd(&strFwd, inet_ntoa(orig_request->client_addr), ','); |
6056ae68 | 1423 | else |
62e76326 | 1424 | strListAdd(&strFwd, "unknown", ','); |
1425 | ||
30abd221 | 1426 | hdr_out->putStr(HDR_X_FORWARDED_FOR, strFwd.buf()); |
62e76326 | 1427 | |
30abd221 | 1428 | strFwd.clean(); |
6bccf575 | 1429 | |
99edd1c3 | 1430 | /* append Host if not there already */ |
a9925b40 | 1431 | if (!hdr_out->has(HDR_HOST)) { |
62e76326 | 1432 | if (orig_request->peer_domain) { |
a9925b40 | 1433 | hdr_out->putStr(HDR_HOST, orig_request->peer_domain); |
62e76326 | 1434 | } else if (orig_request->port == urlDefaultPort(orig_request->protocol)) { |
1435 | /* use port# only if not default */ | |
a9925b40 | 1436 | hdr_out->putStr(HDR_HOST, orig_request->host); |
62e76326 | 1437 | } else { |
1438 | httpHeaderPutStrf(hdr_out, HDR_HOST, "%s:%d", | |
1439 | orig_request->host, (int) orig_request->port); | |
1440 | } | |
6bf8443a | 1441 | } |
62e76326 | 1442 | |
c68e9c6b | 1443 | /* append Authorization if known in URL, not in header and going direct */ |
a9925b40 | 1444 | if (!hdr_out->has(HDR_AUTHORIZATION)) { |
62e76326 | 1445 | if (!request->flags.proxying && *request->login) { |
1446 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1447 | base64_encode(request->login)); | |
1448 | } | |
c68e9c6b | 1449 | } |
62e76326 | 1450 | |
c68e9c6b | 1451 | /* append Proxy-Authorization if configured for peer, and proxying */ |
c3b33cb7 | 1452 | if (request->flags.proxying && orig_request->peer_login && |
a9925b40 | 1453 | !hdr_out->has(HDR_PROXY_AUTHORIZATION)) { |
62e76326 | 1454 | if (*orig_request->peer_login == '*') { |
1455 | /* Special mode, to pass the username to the upstream cache */ | |
1456 | char loginbuf[256]; | |
1457 | const char *username = "-"; | |
1458 | ||
1459 | if (orig_request->auth_user_request) | |
1460 | username = orig_request->auth_user_request->username(); | |
abb929f0 | 1461 | else if (orig_request->extacl_user.size()) |
30abd221 | 1462 | username = orig_request->extacl_user.buf(); |
62e76326 | 1463 | |
1464 | snprintf(loginbuf, sizeof(loginbuf), "%s%s", username, orig_request->peer_login + 1); | |
1465 | ||
1466 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", | |
1467 | base64_encode(loginbuf)); | |
1468 | } else if (strcmp(orig_request->peer_login, "PASS") == 0) { | |
abb929f0 | 1469 | if (orig_request->extacl_user.size() && orig_request->extacl_passwd.size()) { |
1470 | char loginbuf[256]; | |
30abd221 | 1471 | snprintf(loginbuf, sizeof(loginbuf), "%s:%s", orig_request->extacl_user.buf(), orig_request->extacl_passwd.buf()); |
abb929f0 | 1472 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", |
1473 | base64_encode(loginbuf)); | |
1474 | } | |
62e76326 | 1475 | } else if (strcmp(orig_request->peer_login, "PROXYPASS") == 0) { |
1476 | /* Nothing to do */ | |
1477 | } else { | |
1478 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", | |
1479 | base64_encode(orig_request->peer_login)); | |
1480 | } | |
c68e9c6b | 1481 | } |
62e76326 | 1482 | |
be753325 | 1483 | /* append WWW-Authorization if configured for peer */ |
1484 | if (flags.originpeer && orig_request->peer_login && | |
a9925b40 | 1485 | !hdr_out->has(HDR_AUTHORIZATION)) { |
62e76326 | 1486 | if (strcmp(orig_request->peer_login, "PASS") == 0) { |
1487 | /* No credentials to forward.. (should have been done above if available) */ | |
1488 | } else if (strcmp(orig_request->peer_login, "PROXYPASS") == 0) { | |
1489 | /* Special mode, convert proxy authentication to WWW authentication | |
abb929f0 | 1490 | * (also applies to authentication provided by external acl) |
62e76326 | 1491 | */ |
a9925b40 | 1492 | const char *auth = hdr_in->getStr(HDR_PROXY_AUTHORIZATION); |
62e76326 | 1493 | |
1494 | if (auth && strncasecmp(auth, "basic ", 6) == 0) { | |
a9925b40 | 1495 | hdr_out->putStr(HDR_AUTHORIZATION, auth); |
abb929f0 | 1496 | } else if (orig_request->extacl_user.size() && orig_request->extacl_passwd.size()) { |
1497 | char loginbuf[256]; | |
30abd221 | 1498 | snprintf(loginbuf, sizeof(loginbuf), "%s:%s", orig_request->extacl_user.buf(), orig_request->extacl_passwd.buf()); |
abb929f0 | 1499 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", |
1500 | base64_encode(loginbuf)); | |
62e76326 | 1501 | } |
1502 | } else if (*orig_request->peer_login == '*') { | |
1503 | /* Special mode, to pass the username to the upstream cache */ | |
1504 | char loginbuf[256]; | |
1505 | const char *username = "-"; | |
1506 | ||
1507 | if (orig_request->auth_user_request) | |
f5691f9c | 1508 | username = orig_request->auth_user_request->username(); |
abb929f0 | 1509 | else if (orig_request->extacl_user.size()) |
30abd221 | 1510 | username = orig_request->extacl_user.buf(); |
62e76326 | 1511 | |
1512 | snprintf(loginbuf, sizeof(loginbuf), "%s%s", username, orig_request->peer_login + 1); | |
1513 | ||
1514 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1515 | base64_encode(loginbuf)); | |
1516 | } else { | |
1517 | /* Fixed login string */ | |
1518 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1519 | base64_encode(orig_request->peer_login)); | |
1520 | } | |
be753325 | 1521 | } |
62e76326 | 1522 | |
abb929f0 | 1523 | /* append Cache-Control, add max-age if not there already */ { |
a9925b40 | 1524 | HttpHdrCc *cc = hdr_in->getCc(); |
62e76326 | 1525 | |
1526 | if (!cc) | |
1527 | cc = httpHdrCcCreate(); | |
1528 | ||
1529 | if (!EBIT_TEST(cc->mask, CC_MAX_AGE)) { | |
43ae1d95 | 1530 | const char *url = |
3900307b | 1531 | entry ? entry->url() : urlCanonical(orig_request); |
62e76326 | 1532 | httpHdrCcSetMaxAge(cc, getMaxAge(url)); |
1533 | ||
1534 | if (request->urlpath.size()) | |
30abd221 | 1535 | assert(strstr(url, request->urlpath.buf())); |
62e76326 | 1536 | } |
1537 | ||
ce2d6441 | 1538 | /* Set no-cache if determined needed but not found */ |
a9925b40 | 1539 | if (orig_request->flags.nocache && !hdr_in->has(HDR_PRAGMA)) |
ce2d6441 | 1540 | EBIT_SET(cc->mask, CC_NO_CACHE); |
1541 | ||
1542 | /* Enforce sibling relations */ | |
62e76326 | 1543 | if (flags.only_if_cached) |
1544 | EBIT_SET(cc->mask, CC_ONLY_IF_CACHED); | |
1545 | ||
a9925b40 | 1546 | hdr_out->putCc(cc); |
62e76326 | 1547 | |
1548 | httpHdrCcDestroy(cc); | |
6bf8443a | 1549 | } |
62e76326 | 1550 | |
99edd1c3 | 1551 | /* maybe append Connection: keep-alive */ |
b515fc11 | 1552 | if (flags.keepalive) { |
62e76326 | 1553 | if (flags.proxying) { |
a9925b40 | 1554 | hdr_out->putStr(HDR_PROXY_CONNECTION, "keep-alive"); |
62e76326 | 1555 | } else { |
a9925b40 | 1556 | hdr_out->putStr(HDR_CONNECTION, "keep-alive"); |
62e76326 | 1557 | } |
603a02fd | 1558 | } |
62e76326 | 1559 | |
a7ad6e4e | 1560 | /* append Front-End-Https */ |
1561 | if (flags.front_end_https) { | |
62e76326 | 1562 | if (flags.front_end_https == 1 || request->protocol == PROTO_HTTPS) |
a9925b40 | 1563 | hdr_out->putStr(HDR_FRONT_END_HTTPS, "On"); |
a7ad6e4e | 1564 | } |
1565 | ||
6bccf575 | 1566 | /* Now mangle the headers. */ |
4f56514c | 1567 | if (Config2.onoff.mangle_request_headers) |
5967c0bf | 1568 | httpHdrMangleList(hdr_out, request, ROR_REQUEST); |
62e76326 | 1569 | |
30abd221 | 1570 | strConnection.clean(); |
99edd1c3 | 1571 | } |
1572 | ||
528b2c61 | 1573 | void |
30abd221 | 1574 | copyOneHeaderFromClientsideRequestToUpstreamRequest(const HttpHeaderEntry *e, String strConnection, HttpRequest * request, HttpRequest * orig_request, HttpHeader * hdr_out, int we_do_ranges, http_state_flags flags) |
528b2c61 | 1575 | { |
30abd221 | 1576 | debugs(11, 5, "httpBuildRequestHeader: " << e->name.buf() << ": " << e->value.buf()); |
62e76326 | 1577 | |
528b2c61 | 1578 | if (!httpRequestHdrAllowed(e, &strConnection)) { |
30abd221 | 1579 | debugs(11, 2, "'" << e->name.buf() << "' header denied by anonymize_headers configuration"); |
62e76326 | 1580 | return; |
528b2c61 | 1581 | } |
62e76326 | 1582 | |
528b2c61 | 1583 | switch (e->id) { |
62e76326 | 1584 | |
be753325 | 1585 | case HDR_PROXY_AUTHORIZATION: |
62e76326 | 1586 | /* Only pass on proxy authentication to peers for which |
1587 | * authentication forwarding is explicitly enabled | |
1588 | */ | |
1589 | ||
1590 | if (flags.proxying && orig_request->peer_login && | |
abb929f0 | 1591 | (strcmp(orig_request->peer_login, "PASS") == 0 || |
1592 | strcmp(orig_request->peer_login, "PROXYPASS") == 0)) { | |
eede25e7 | 1593 | hdr_out->addEntry(e->clone()); |
62e76326 | 1594 | } |
1595 | ||
1596 | break; | |
1597 | ||
be753325 | 1598 | case HDR_AUTHORIZATION: |
62e76326 | 1599 | /* Pass on WWW authentication */ |
1600 | ||
1601 | if (!flags.originpeer) { | |
eede25e7 | 1602 | hdr_out->addEntry(e->clone()); |
62e76326 | 1603 | } else { |
1604 | /* In accelerators, only forward authentication if enabled | |
1605 | * (see also below for proxy->server authentication) | |
1606 | */ | |
1607 | ||
abb929f0 | 1608 | if (orig_request->peer_login && |
1609 | (strcmp(orig_request->peer_login, "PASS") == 0 || | |
1610 | strcmp(orig_request->peer_login, "PROXYPASS") == 0)) { | |
eede25e7 | 1611 | hdr_out->addEntry(e->clone()); |
62e76326 | 1612 | } |
1613 | } | |
1614 | ||
1615 | break; | |
1616 | ||
be753325 | 1617 | case HDR_HOST: |
62e76326 | 1618 | /* |
b883b594 | 1619 | * Normally Squid rewrites the Host: header. |
1620 | * However, there is one case when we don't: If the URL | |
62e76326 | 1621 | * went through our redirector and the admin configured |
1622 | * 'redir_rewrites_host' to be off. | |
1623 | */ | |
1624 | ||
b883b594 | 1625 | if (request->flags.redirected && !Config.onoff.redir_rewrites_host) |
eede25e7 | 1626 | hdr_out->addEntry(e->clone()); |
b883b594 | 1627 | else { |
1628 | /* use port# only if not default */ | |
1629 | ||
1630 | if (orig_request->port == urlDefaultPort(orig_request->protocol)) { | |
a9925b40 | 1631 | hdr_out->putStr(HDR_HOST, orig_request->host); |
b883b594 | 1632 | } else { |
1633 | httpHeaderPutStrf(hdr_out, HDR_HOST, "%s:%d", | |
1634 | orig_request->host, (int) orig_request->port); | |
1635 | } | |
1636 | } | |
62e76326 | 1637 | |
1638 | break; | |
1639 | ||
be753325 | 1640 | case HDR_IF_MODIFIED_SINCE: |
62e76326 | 1641 | /* append unless we added our own; |
1642 | * note: at most one client's ims header can pass through */ | |
b883b594 | 1643 | |
a9925b40 | 1644 | if (!hdr_out->has(HDR_IF_MODIFIED_SINCE)) |
eede25e7 | 1645 | hdr_out->addEntry(e->clone()); |
62e76326 | 1646 | |
1647 | break; | |
1648 | ||
be753325 | 1649 | case HDR_MAX_FORWARDS: |
62e76326 | 1650 | if (orig_request->method == METHOD_TRACE) { |
eede25e7 | 1651 | const int hops = e->getInt(); |
62e76326 | 1652 | |
1653 | if (hops > 0) | |
a9925b40 | 1654 | hdr_out->putInt(HDR_MAX_FORWARDS, hops - 1); |
62e76326 | 1655 | } |
1656 | ||
1657 | break; | |
1658 | ||
be753325 | 1659 | case HDR_VIA: |
62e76326 | 1660 | /* If Via is disabled then forward any received header as-is */ |
1661 | ||
1662 | if (!Config.onoff.via) | |
eede25e7 | 1663 | hdr_out->addEntry(e->clone()); |
62e76326 | 1664 | |
1665 | break; | |
1666 | ||
be753325 | 1667 | case HDR_RANGE: |
62e76326 | 1668 | |
be753325 | 1669 | case HDR_IF_RANGE: |
62e76326 | 1670 | |
be753325 | 1671 | case HDR_REQUEST_RANGE: |
62e76326 | 1672 | if (!we_do_ranges) |
eede25e7 | 1673 | hdr_out->addEntry(e->clone()); |
62e76326 | 1674 | |
1675 | break; | |
1676 | ||
be753325 | 1677 | case HDR_PROXY_CONNECTION: |
62e76326 | 1678 | |
be753325 | 1679 | case HDR_CONNECTION: |
62e76326 | 1680 | |
be753325 | 1681 | case HDR_X_FORWARDED_FOR: |
62e76326 | 1682 | |
be753325 | 1683 | case HDR_CACHE_CONTROL: |
62e76326 | 1684 | /* append these after the loop if needed */ |
1685 | break; | |
1686 | ||
be753325 | 1687 | case HDR_FRONT_END_HTTPS: |
62e76326 | 1688 | if (!flags.front_end_https) |
eede25e7 | 1689 | hdr_out->addEntry(e->clone()); |
62e76326 | 1690 | |
1691 | break; | |
1692 | ||
be753325 | 1693 | default: |
62e76326 | 1694 | /* pass on all other header fields */ |
eede25e7 | 1695 | hdr_out->addEntry(e->clone()); |
528b2c61 | 1696 | } |
1697 | } | |
1698 | ||
e5ee81f0 | 1699 | bool |
1700 | HttpStateData::decideIfWeDoRanges (HttpRequest * orig_request) | |
528b2c61 | 1701 | { |
e5ee81f0 | 1702 | bool result = true; |
62e76326 | 1703 | /* decide if we want to do Ranges ourselves |
1704 | * and fetch the whole object now) | |
1705 | * We want to handle Ranges ourselves iff | |
1706 | * - we can actually parse client Range specs | |
1707 | * - the specs are expected to be simple enough (e.g. no out-of-order ranges) | |
1708 | * - reply will be cachable | |
1709 | * (If the reply will be uncachable we have to throw it away after | |
1710 | * serving this request, so it is better to forward ranges to | |
1711 | * the server and fetch only the requested content) | |
1712 | */ | |
1713 | ||
1714 | if (NULL == orig_request->range || !orig_request->flags.cachable | |
1715 | || orig_request->range->offsetLimitExceeded()) | |
e5ee81f0 | 1716 | result = false; |
62e76326 | 1717 | |
bf8fe701 | 1718 | debugs(11, 8, "decideIfWeDoRanges: range specs: " << |
1719 | orig_request->range << ", cachable: " << | |
1720 | orig_request->flags.cachable << "; we_do_ranges: " << result); | |
62e76326 | 1721 | |
1722 | return result; | |
528b2c61 | 1723 | } |
1724 | ||
62e76326 | 1725 | /* build request prefix and append it to a given MemBuf; |
99edd1c3 | 1726 | * return the length of the prefix */ |
9bc73deb | 1727 | mb_size_t |
e5ee81f0 | 1728 | HttpStateData::buildRequestPrefix(HttpRequest * request, |
1729 | HttpRequest * orig_request, | |
1730 | StoreEntry * entry, | |
1731 | MemBuf * mb, | |
1732 | http_state_flags flags) | |
99edd1c3 | 1733 | { |
1734 | const int offset = mb->size; | |
450e0c10 | 1735 | HttpVersion httpver(1, 0); |
2fe7eff9 | 1736 | mb->Printf("%s %s HTTP/%d.%d\r\n", |
1737 | RequestMethodStr[request->method], | |
30abd221 | 1738 | request->urlpath.size() ? request->urlpath.buf() : "/", |
2fe7eff9 | 1739 | httpver.major,httpver.minor); |
99edd1c3 | 1740 | /* build and pack headers */ |
1741 | { | |
75faaa7a | 1742 | HttpHeader hdr(hoRequest); |
62e76326 | 1743 | Packer p; |
1744 | httpBuildRequestHeader(request, orig_request, entry, &hdr, flags); | |
1745 | packerToMemInit(&p, mb); | |
a9925b40 | 1746 | hdr.packInto(&p); |
519e0948 | 1747 | hdr.clean(); |
62e76326 | 1748 | packerClean(&p); |
9d9d144b | 1749 | } |
99edd1c3 | 1750 | /* append header terminator */ |
2fe7eff9 | 1751 | mb->append(crlf, 2); |
99edd1c3 | 1752 | return mb->size - offset; |
6bf8443a | 1753 | } |
62e76326 | 1754 | |
090089c4 | 1755 | /* This will be called when connect completes. Write request. */ |
5f8252d2 | 1756 | bool |
2bb867b5 | 1757 | HttpStateData::sendRequest() |
090089c4 | 1758 | { |
99edd1c3 | 1759 | MemBuf mb; |
090089c4 | 1760 | |
bf8fe701 | 1761 | debugs(11, 5, "httpSendRequest: FD " << fd << ", request " << request << ", this " << this << "."); |
090089c4 | 1762 | |
2bb867b5 | 1763 | commSetTimeout(fd, Config.Timeout.lifetime, httpTimeout, this); |
1764 | flags.do_next_read = 1; | |
5f8252d2 | 1765 | maybeReadVirginBody(); |
1766 | ||
1767 | if (orig_request->body_pipe != NULL) { | |
1768 | requestBodySource = orig_request->body_pipe; | |
fc68f6b1 | 1769 | |
5f8252d2 | 1770 | if (!requestBodySource->setConsumerIfNotLate(this)) { |
1771 | debugs(32,3, HERE << "aborting on partially consumed body"); | |
1772 | requestBodySource = NULL; | |
1773 | return false; | |
1774 | } | |
fc68f6b1 | 1775 | |
5f8252d2 | 1776 | requestSender = HttpStateData::sentRequestBodyWrapper; |
1777 | debugs(32,3, HERE << "expecting request body on pipe " << requestBodySource); | |
1778 | } else { | |
1779 | assert(!requestBodySource); | |
1780 | requestSender = HttpStateData::SendComplete; | |
1781 | } | |
54220df8 | 1782 | |
2bb867b5 | 1783 | if (_peer != NULL) { |
1784 | if (_peer->options.originserver) { | |
1785 | flags.proxying = 0; | |
1786 | flags.originpeer = 1; | |
62e76326 | 1787 | } else { |
2bb867b5 | 1788 | flags.proxying = 1; |
1789 | flags.originpeer = 0; | |
62e76326 | 1790 | } |
be753325 | 1791 | } else { |
2bb867b5 | 1792 | flags.proxying = 0; |
1793 | flags.originpeer = 0; | |
be753325 | 1794 | } |
62e76326 | 1795 | |
efb9218c | 1796 | /* |
99edd1c3 | 1797 | * Is keep-alive okay for all request methods? |
efb9218c | 1798 | */ |
efd900cb | 1799 | if (!Config.onoff.server_pconns) |
2bb867b5 | 1800 | flags.keepalive = 0; |
1801 | else if (_peer == NULL) | |
1802 | flags.keepalive = 1; | |
1803 | else if (_peer->stats.n_keepalives_sent < 10) | |
1804 | flags.keepalive = 1; | |
1805 | else if ((double) _peer->stats.n_keepalives_recv / | |
1806 | (double) _peer->stats.n_keepalives_sent > 0.50) | |
1807 | flags.keepalive = 1; | |
1808 | ||
1809 | if (_peer) { | |
1810 | if (neighborType(_peer, request) == PEER_SIBLING && | |
1811 | !_peer->options.allow_miss) | |
1812 | flags.only_if_cached = 1; | |
1813 | ||
1814 | flags.front_end_https = _peer->front_end_https; | |
a7ad6e4e | 1815 | } |
62e76326 | 1816 | |
2fe7eff9 | 1817 | mb.init(); |
e5ee81f0 | 1818 | buildRequestPrefix(request, orig_request, entry, &mb, flags); |
bf8fe701 | 1819 | debugs(11, 6, "httpSendRequest: FD " << fd << ":\n" << mb.buf); |
5f8252d2 | 1820 | comm_write_mbuf(fd, &mb, requestSender, this); |
1821 | ||
1822 | return true; | |
090089c4 | 1823 | } |
b6a2f15e | 1824 | |
910169e5 | 1825 | void |
b6b6f466 | 1826 | httpStart(FwdState *fwd) |
603a02fd | 1827 | { |
bf8fe701 | 1828 | debugs(11, 3, "httpStart: \"" << RequestMethodStr[fwd->request->method] << " " << fwd->entry->url() << "\"" ); |
a3d50c30 | 1829 | HttpStateData *httpState = new HttpStateData(fwd); |
62e76326 | 1830 | |
5f8252d2 | 1831 | if (!httpState->sendRequest()) { |
bf8fe701 | 1832 | debugs(11, 3, "httpStart: aborted"); |
5f8252d2 | 1833 | delete httpState; |
1834 | return; | |
1835 | } | |
62e76326 | 1836 | |
5f8252d2 | 1837 | statCounter.server.all.requests++; |
83704487 | 1838 | statCounter.server.http.requests++; |
62e76326 | 1839 | |
b6a2f15e | 1840 | /* |
1841 | * We used to set the read timeout here, but not any more. | |
1842 | * Now its set in httpSendComplete() after the full request, | |
1843 | * including request body, has been written to the server. | |
1844 | */ | |
090089c4 | 1845 | } |
1846 | ||
2bb867b5 | 1847 | void |
5f8252d2 | 1848 | HttpStateData::doneSendingRequestBody() |
2bb867b5 | 1849 | { |
4fb35c3c | 1850 | ACLChecklist ch; |
5f8252d2 | 1851 | debugs(11,5, HERE << "doneSendingRequestBody: FD " << fd); |
6dd9f4bd | 1852 | ch.request = HTTPMSGLOCK(request); |
506768d9 | 1853 | |
1854 | if (Config.accessList.brokenPosts) | |
1855 | ch.accessList = cbdataReference(Config.accessList.brokenPosts); | |
62e76326 | 1856 | |
108d65b2 | 1857 | /* cbdataReferenceDone() happens in either fastCheck() or ~ACLCheckList */ |
1858 | ||
94439e4e | 1859 | if (!Config.accessList.brokenPosts) { |
bf8fe701 | 1860 | debugs(11, 5, "doneSendingRequestBody: No brokenPosts list"); |
2b663917 | 1861 | HttpStateData::SendComplete(fd, NULL, 0, COMM_OK, 0, this); |
b448c119 | 1862 | } else if (!ch.fastCheck()) { |
bf8fe701 | 1863 | debugs(11, 5, "doneSendingRequestBody: didn't match brokenPosts"); |
2b663917 | 1864 | HttpStateData::SendComplete(fd, NULL, 0, COMM_OK, 0, this); |
94439e4e | 1865 | } else { |
bf8fe701 | 1866 | debugs(11, 2, "doneSendingRequestBody: matched brokenPosts"); |
2b663917 | 1867 | comm_write(fd, "\r\n", 2, HttpStateData::SendComplete, this, NULL); |
54220df8 | 1868 | } |
94439e4e | 1869 | } |
1870 | ||
5f8252d2 | 1871 | // more origin request body data is available |
2bb867b5 | 1872 | void |
5f8252d2 | 1873 | HttpStateData::handleMoreRequestBodyAvailable() |
2bb867b5 | 1874 | { |
2bb867b5 | 1875 | if (eof || fd < 0) { |
5f8252d2 | 1876 | // XXX: we should check this condition in other callbacks then! |
1877 | // TODO: Check whether this can actually happen: We should unsubscribe | |
1878 | // as a body consumer when the above condition(s) are detected. | |
2bb867b5 | 1879 | debugs(11, 1, HERE << "Transaction aborted while reading HTTP body"); |
2bb867b5 | 1880 | return; |
1881 | } | |
62e76326 | 1882 | |
5f8252d2 | 1883 | assert(requestBodySource != NULL); |
fc68f6b1 | 1884 | |
5f8252d2 | 1885 | if (requestBodySource->buf().hasContent()) { |
1886 | // XXX: why does not this trigger a debug message on every request? | |
fc68f6b1 | 1887 | |
2bb867b5 | 1888 | if (flags.headers_parsed && !flags.abuse_detected) { |
1889 | flags.abuse_detected = 1; | |
bf8fe701 | 1890 | debugs(11, 1, "http handleMoreRequestBodyAvailable: Likely proxy abuse detected '" << inet_ntoa(orig_request->client_addr) << "' -> '" << entry->url() << "'" ); |
21b92762 | 1891 | |
2bb867b5 | 1892 | if (getReply()->sline.status == HTTP_INVALID_HEADER) { |
2bb867b5 | 1893 | comm_close(fd); |
21b92762 | 1894 | return; |
1895 | } | |
1896 | } | |
b6a2f15e | 1897 | } |
5f8252d2 | 1898 | |
1899 | HttpStateData::handleMoreRequestBodyAvailable(); | |
376bb137 | 1900 | } |
1901 | ||
5f8252d2 | 1902 | // premature end of the request body |
2bb867b5 | 1903 | void |
5f8252d2 | 1904 | HttpStateData::handleRequestBodyProducerAborted() |
376bb137 | 1905 | { |
5f8252d2 | 1906 | ServerStateData::handleRequestBodyProducerAborted(); |
1907 | // XXX: SendComplete(COMM_ERR_CLOSING) does little. Is it enough? | |
1908 | SendComplete(fd, NULL, 0, COMM_ERR_CLOSING, 0, this); | |
2bb867b5 | 1909 | } |
1910 | ||
5f8252d2 | 1911 | // called when we wrote request headers(!) or a part of the body |
2bb867b5 | 1912 | void |
5f8252d2 | 1913 | HttpStateData::sentRequestBody(int fd, size_t size, comm_err_t errflag) |
2bb867b5 | 1914 | { |
5f8252d2 | 1915 | if (size > 0) |
62e76326 | 1916 | kb_incr(&statCounter.server.http.kbytes_out, size); |
fc68f6b1 | 1917 | |
5f8252d2 | 1918 | ServerStateData::sentRequestBody(fd, size, errflag); |
1919 | } | |
3b299123 | 1920 | |
5f8252d2 | 1921 | // Quickly abort the transaction |
1922 | // TODO: destruction should be sufficient as the destructor should cleanup, | |
1923 | // including canceling close handlers | |
1924 | void | |
1925 | HttpStateData::abortTransaction(const char *reason) | |
1926 | { | |
1927 | debugs(11,5, HERE << "aborting transaction for " << reason << | |
1928 | "; FD " << fd << ", this " << this); | |
fc68f6b1 | 1929 | |
3e8c047e | 1930 | if (fd >= 0) { |
62e76326 | 1931 | comm_close(fd); |
3e8c047e | 1932 | return; |
c23f0c74 | 1933 | } |
3e8c047e | 1934 | |
1935 | fwd->handleUnregisteredServerEnd(); | |
1936 | delete this; | |
54220df8 | 1937 | } |
ccf44862 | 1938 | |
1939 | void | |
450e0c10 | 1940 | httpBuildVersion(HttpVersion * version, unsigned int major, unsigned int minor) |
110eb4e5 | 1941 | { |
1942 | version->major = major; | |
1943 | version->minor = minor; | |
ccf44862 | 1944 | } |
2afaba07 | 1945 | |
1946 | #if ICAP_CLIENT | |
1947 | ||
1948 | static void | |
1949 | icapAclCheckDoneWrapper(ICAPServiceRep::Pointer service, void *data) | |
1950 | { | |
1951 | HttpStateData *http = (HttpStateData *)data; | |
1952 | http->icapAclCheckDone(service); | |
1953 | } | |
1954 | ||
7c4e4e7f | 1955 | // TODO: why does FtpStateData not need orig_request? |
1956 | HttpRequest * | |
1957 | HttpStateData::originalRequest() | |
2afaba07 | 1958 | { |
7c4e4e7f | 1959 | return orig_request; |
2afaba07 | 1960 | } |
1961 | ||
2afaba07 | 1962 | #endif |