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edce4d98 | 1 | |
2 | /* | |
1cf238db | 3 | * $Id: client_side_request.cc,v 1.105 2008/02/12 23:07:52 rousskov Exp $ |
26ac0430 | 4 | * |
ae45c4de | 5 | * DEBUG: section 85 Client-side Request Routines |
6 | * AUTHOR: Robert Collins (Originally Duane Wessels in client_side.c) | |
26ac0430 | 7 | * |
edce4d98 | 8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
9 | * ---------------------------------------------------------- | |
0a9297f6 | 10 | * |
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. | |
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 | |
32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. | |
33 | * | |
edce4d98 | 34 | */ |
35 | ||
36 | ||
69660be0 | 37 | /* |
38 | * General logic of request processing: | |
26ac0430 | 39 | * |
69660be0 | 40 | * We run a series of tests to determine if access will be permitted, and to do |
41 | * any redirection. Then we call into the result clientStream to retrieve data. | |
42 | * From that point on it's up to reply management. | |
edce4d98 | 43 | */ |
44 | ||
45 | #include "squid.h" | |
c8be6d7b | 46 | #include "clientStream.h" |
47 | #include "client_side_request.h" | |
f5691f9c | 48 | #include "AuthUserRequest.h" |
528b2c61 | 49 | #include "HttpRequest.h" |
3712be3f | 50 | #include "ProtoPort.h" |
8000a965 | 51 | #include "ACLChecklist.h" |
52 | #include "ACL.h" | |
a46d2c0e | 53 | #include "client_side.h" |
0655fa4d | 54 | #include "client_side_reply.h" |
55 | #include "Store.h" | |
56 | #include "HttpReply.h" | |
86a2f789 | 57 | #include "MemObject.h" |
de31d06f | 58 | #include "ClientRequestContext.h" |
985c86bc | 59 | #include "SquidTime.h" |
d295d770 | 60 | #include "wordlist.h" |
5fefeec1 | 61 | #include "inet_pton.h" |
de31d06f | 62 | |
a83c6ed6 | 63 | #if USE_ADAPTATION |
62c7f90e | 64 | #include "adaptation/AccessCheck.h" |
abd4b611 | 65 | #include "adaptation/Service.h" |
a83c6ed6 | 66 | static void adaptationAclCheckDoneWrapper(Adaptation::ServicePointer service, void *data); |
de31d06f | 67 | #endif |
edce4d98 | 68 | |
69 | #if LINGERING_CLOSE | |
70 | #define comm_close comm_lingering_close | |
71 | #endif | |
72 | ||
73 | static const char *const crlf = "\r\n"; | |
74 | ||
609c620a | 75 | #if FOLLOW_X_FORWARDED_FOR |
3d674977 AJ |
76 | static void |
77 | clientFollowXForwardedForCheck(int answer, void *data); | |
609c620a | 78 | #endif /* FOLLOW_X_FORWARDED_FOR */ |
3d674977 | 79 | |
8e2745f4 | 80 | CBDATA_CLASS_INIT(ClientRequestContext); |
81 | ||
82 | void * | |
83 | ClientRequestContext::operator new (size_t size) | |
84 | { | |
85 | assert (size == sizeof(ClientRequestContext)); | |
86 | CBDATA_INIT_TYPE(ClientRequestContext); | |
87 | ClientRequestContext *result = cbdataAlloc(ClientRequestContext); | |
aa625860 | 88 | return result; |
8e2745f4 | 89 | } |
62e76326 | 90 | |
8e2745f4 | 91 | void |
92 | ClientRequestContext::operator delete (void *address) | |
93 | { | |
94 | ClientRequestContext *t = static_cast<ClientRequestContext *>(address); | |
aa625860 | 95 | cbdataFree(t); |
8e2745f4 | 96 | } |
97 | ||
edce4d98 | 98 | /* Local functions */ |
edce4d98 | 99 | /* other */ |
de31d06f | 100 | static void clientAccessCheckDoneWrapper(int, void *); |
59a1efb2 | 101 | static int clientHierarchical(ClientHttpRequest * http); |
102 | static void clientInterpretRequestHeaders(ClientHttpRequest * http); | |
de31d06f | 103 | static RH clientRedirectDoneWrapper; |
104 | static PF checkNoCacheDoneWrapper; | |
e6ccf245 | 105 | extern "C" CSR clientGetMoreData; |
106 | extern "C" CSS clientReplyStatus; | |
107 | extern "C" CSD clientReplyDetach; | |
528b2c61 | 108 | static void checkFailureRatio(err_type, hier_code); |
edce4d98 | 109 | |
8e2745f4 | 110 | ClientRequestContext::~ClientRequestContext() |
111 | { | |
de31d06f | 112 | /* |
a546b04b | 113 | * Release our "lock" on our parent, ClientHttpRequest, if we |
114 | * still have one | |
de31d06f | 115 | */ |
a546b04b | 116 | |
117 | if (http) | |
118 | cbdataReferenceDone(http); | |
62e76326 | 119 | |
5f8252d2 | 120 | debugs(85,3, HERE << this << " ClientRequestContext destructed"); |
8e2745f4 | 121 | } |
122 | ||
4e2eb5c3 | 123 | ClientRequestContext::ClientRequestContext(ClientHttpRequest *anHttp) : http(cbdataReference(anHttp)), acl_checklist (NULL), redirect_state (REDIRECT_NONE) |
edce4d98 | 124 | { |
57abaac0 | 125 | http_access_done = false; |
126 | redirect_done = false; | |
127 | no_cache_done = false; | |
128 | interpreted_req_hdrs = false; | |
0b86805b | 129 | debugs(85,3, HERE << this << " ClientRequestContext constructed"); |
edce4d98 | 130 | } |
131 | ||
528b2c61 | 132 | CBDATA_CLASS_INIT(ClientHttpRequest); |
8e2745f4 | 133 | |
528b2c61 | 134 | void * |
135 | ClientHttpRequest::operator new (size_t size) | |
136 | { | |
137 | assert (size == sizeof (ClientHttpRequest)); | |
138 | CBDATA_INIT_TYPE(ClientHttpRequest); | |
139 | ClientHttpRequest *result = cbdataAlloc(ClientHttpRequest); | |
aa625860 | 140 | return result; |
528b2c61 | 141 | } |
142 | ||
62e76326 | 143 | void |
528b2c61 | 144 | ClientHttpRequest::operator delete (void *address) |
145 | { | |
aa625860 | 146 | ClientHttpRequest *t = static_cast<ClientHttpRequest *>(address); |
147 | cbdataFree(t); | |
528b2c61 | 148 | } |
149 | ||
26ac0430 | 150 | ClientHttpRequest::ClientHttpRequest(ConnStateData * aConn) : |
a83c6ed6 | 151 | #if USE_ADAPTATION |
26ac0430 | 152 | AsyncJob("ClientHttpRequest"), |
1cf238db | 153 | #endif |
26ac0430 | 154 | loggingEntry_(NULL) |
528b2c61 | 155 | { |
1cf238db | 156 | start_time = current_time; |
a0355e95 | 157 | setConn(aConn); |
158 | dlinkAdd(this, &active, &ClientActiveRequests); | |
a83c6ed6 | 159 | #if USE_ADAPTATION |
b044675d | 160 | request_satisfaction_mode = false; |
161 | #endif | |
528b2c61 | 162 | } |
163 | ||
0655fa4d | 164 | /* |
165 | * returns true if client specified that the object must come from the cache | |
166 | * without contacting origin server | |
167 | */ | |
168 | bool | |
169 | ClientHttpRequest::onlyIfCached()const | |
170 | { | |
171 | assert(request); | |
172 | return request->cache_control && | |
173 | EBIT_TEST(request->cache_control->mask, CC_ONLY_IF_CACHED); | |
174 | } | |
175 | ||
528b2c61 | 176 | /* |
177 | * This function is designed to serve a fairly specific purpose. | |
178 | * Occasionally our vBNS-connected caches can talk to each other, but not | |
179 | * the rest of the world. Here we try to detect frequent failures which | |
180 | * make the cache unusable (e.g. DNS lookup and connect() failures). If | |
181 | * the failure:success ratio goes above 1.0 then we go into "hit only" | |
182 | * mode where we only return UDP_HIT or UDP_MISS_NOFETCH. Neighbors | |
183 | * will only fetch HITs from us if they are using the ICP protocol. We | |
184 | * stay in this mode for 5 minutes. | |
26ac0430 | 185 | * |
528b2c61 | 186 | * Duane W., Sept 16, 1996 |
187 | */ | |
188 | ||
189 | #define FAILURE_MODE_TIME 300 | |
190 | ||
191 | static void | |
192 | checkFailureRatio(err_type etype, hier_code hcode) | |
193 | { | |
194 | static double magic_factor = 100.0; | |
195 | double n_good; | |
196 | double n_bad; | |
62e76326 | 197 | |
528b2c61 | 198 | if (hcode == HIER_NONE) |
62e76326 | 199 | return; |
200 | ||
528b2c61 | 201 | n_good = magic_factor / (1.0 + request_failure_ratio); |
62e76326 | 202 | |
528b2c61 | 203 | n_bad = magic_factor - n_good; |
62e76326 | 204 | |
528b2c61 | 205 | switch (etype) { |
62e76326 | 206 | |
528b2c61 | 207 | case ERR_DNS_FAIL: |
62e76326 | 208 | |
528b2c61 | 209 | case ERR_CONNECT_FAIL: |
3712be3f | 210 | case ERR_SECURE_CONNECT_FAIL: |
62e76326 | 211 | |
528b2c61 | 212 | case ERR_READ_ERROR: |
62e76326 | 213 | n_bad++; |
214 | break; | |
215 | ||
528b2c61 | 216 | default: |
62e76326 | 217 | n_good++; |
528b2c61 | 218 | } |
62e76326 | 219 | |
528b2c61 | 220 | request_failure_ratio = n_bad / n_good; |
62e76326 | 221 | |
528b2c61 | 222 | if (hit_only_mode_until > squid_curtime) |
62e76326 | 223 | return; |
224 | ||
528b2c61 | 225 | if (request_failure_ratio < 1.0) |
62e76326 | 226 | return; |
227 | ||
bf8fe701 | 228 | debugs(33, 0, "Failure Ratio at "<< std::setw(4)<< |
229 | std::setprecision(3) << request_failure_ratio); | |
62e76326 | 230 | |
bf8fe701 | 231 | debugs(33, 0, "Going into hit-only-mode for " << |
232 | FAILURE_MODE_TIME / 60 << " minutes..."); | |
62e76326 | 233 | |
528b2c61 | 234 | hit_only_mode_until = squid_curtime + FAILURE_MODE_TIME; |
62e76326 | 235 | |
528b2c61 | 236 | request_failure_ratio = 0.8; /* reset to something less than 1.0 */ |
237 | } | |
238 | ||
239 | ClientHttpRequest::~ClientHttpRequest() | |
240 | { | |
bf8fe701 | 241 | debugs(33, 3, "httpRequestFree: " << uri); |
72bdee4c | 242 | PROF_start(httpRequestFree); |
62e76326 | 243 | |
5f8252d2 | 244 | // Even though freeResources() below may destroy the request, |
245 | // we no longer set request->body_pipe to NULL here | |
246 | // because we did not initiate that pipe (ConnStateData did) | |
62e76326 | 247 | |
528b2c61 | 248 | /* the ICP check here was erroneous |
26ac0430 | 249 | * - StoreEntry::releaseRequest was always called if entry was valid |
528b2c61 | 250 | */ |
251 | assert(logType < LOG_TYPE_MAX); | |
9ce7856a | 252 | |
528b2c61 | 253 | logRequest(); |
9ce7856a | 254 | |
0976f8db | 255 | loggingEntry(NULL); |
256 | ||
528b2c61 | 257 | if (request) |
62e76326 | 258 | checkFailureRatio(request->errType, al.hier.code); |
259 | ||
528b2c61 | 260 | freeResources(); |
62e76326 | 261 | |
a83c6ed6 AR |
262 | #if USE_ADAPTATION |
263 | announceInitiatorAbort(virginHeadSource); | |
9d4d7c5e | 264 | |
a83c6ed6 AR |
265 | if (adaptedBodySource != NULL) |
266 | stopConsumingFrom(adaptedBodySource); | |
de31d06f | 267 | #endif |
9ce7856a | 268 | |
de31d06f | 269 | if (calloutContext) |
270 | delete calloutContext; | |
271 | ||
26ac0430 AJ |
272 | if (conn_) |
273 | cbdataReferenceDone(conn_); | |
1cf238db | 274 | |
528b2c61 | 275 | /* moving to the next connection is handled by the context free */ |
276 | dlinkDelete(&active, &ClientActiveRequests); | |
9ce7856a | 277 | |
72bdee4c | 278 | PROF_stop(httpRequestFree); |
528b2c61 | 279 | } |
62e76326 | 280 | |
edce4d98 | 281 | /* Create a request and kick it off */ |
69660be0 | 282 | /* |
283 | * TODO: Pass in the buffers to be used in the inital Read request, as they are | |
284 | * determined by the user | |
edce4d98 | 285 | */ |
286 | int /* returns nonzero on failure */ | |
60745f24 | 287 | clientBeginRequest(const HttpRequestMethod& method, char const *url, CSCB * streamcallback, |
0655fa4d | 288 | CSD * streamdetach, ClientStreamData streamdata, HttpHeader const *header, |
62e76326 | 289 | char *tailbuf, size_t taillen) |
edce4d98 | 290 | { |
291 | size_t url_sz; | |
450e0c10 | 292 | HttpVersion http_ver (1, 0); |
a0355e95 | 293 | ClientHttpRequest *http = new ClientHttpRequest(NULL); |
190154cf | 294 | HttpRequest *request; |
528b2c61 | 295 | StoreIOBuffer tempBuffer; |
1cf238db | 296 | http->start_time = current_time; |
edce4d98 | 297 | /* this is only used to adjust the connection offset in client_side.c */ |
298 | http->req_sz = 0; | |
c8be6d7b | 299 | tempBuffer.length = taillen; |
300 | tempBuffer.data = tailbuf; | |
edce4d98 | 301 | /* client stream setup */ |
302 | clientStreamInit(&http->client_stream, clientGetMoreData, clientReplyDetach, | |
0655fa4d | 303 | clientReplyStatus, new clientReplyContext(http), streamcallback, |
62e76326 | 304 | streamdetach, streamdata, tempBuffer); |
edce4d98 | 305 | /* make it visible in the 'current acctive requests list' */ |
edce4d98 | 306 | /* Set flags */ |
a46d2c0e | 307 | /* internal requests only makes sense in an |
308 | * accelerator today. TODO: accept flags ? */ | |
309 | http->flags.accel = 1; | |
edce4d98 | 310 | /* allow size for url rewriting */ |
311 | url_sz = strlen(url) + Config.appendDomainLen + 5; | |
e6ccf245 | 312 | http->uri = (char *)xcalloc(url_sz, 1); |
edce4d98 | 313 | strcpy(http->uri, url); |
314 | ||
c21ad0f5 | 315 | if ((request = HttpRequest::CreateFromUrlAndMethod(http->uri, method)) == NULL) { |
bf8fe701 | 316 | debugs(85, 5, "Invalid URL: " << http->uri); |
62e76326 | 317 | return -1; |
edce4d98 | 318 | } |
62e76326 | 319 | |
69660be0 | 320 | /* |
321 | * now update the headers in request with our supplied headers. urLParse | |
322 | * should return a blank header set, but we use Update to be sure of | |
323 | * correctness. | |
edce4d98 | 324 | */ |
325 | if (header) | |
a9925b40 | 326 | request->header.update(header, NULL); |
62e76326 | 327 | |
edce4d98 | 328 | http->log_uri = xstrdup(urlCanonicalClean(request)); |
62e76326 | 329 | |
edce4d98 | 330 | /* http struct now ready */ |
331 | ||
69660be0 | 332 | /* |
333 | * build new header list *? TODO | |
edce4d98 | 334 | */ |
335 | request->flags.accelerated = http->flags.accel; | |
62e76326 | 336 | |
a46d2c0e | 337 | request->flags.internalclient = 1; |
338 | ||
339 | /* this is an internally created | |
340 | * request, not subject to acceleration | |
341 | * target overrides */ | |
69660be0 | 342 | /* |
343 | * FIXME? Do we want to detect and handle internal requests of internal | |
344 | * objects ? | |
345 | */ | |
edce4d98 | 346 | |
347 | /* Internally created requests cannot have bodies today */ | |
348 | request->content_length = 0; | |
62e76326 | 349 | |
cc192b50 | 350 | request->client_addr.SetNoAddr(); |
62e76326 | 351 | |
3d674977 AJ |
352 | #if FOLLOW_X_FORWARDED_FOR |
353 | request->indirect_client_addr.SetNoAddr(); | |
354 | #endif /* FOLLOW_X_FORWARDED_FOR */ | |
26ac0430 | 355 | |
cc192b50 | 356 | request->my_addr.SetNoAddr(); /* undefined for internal requests */ |
62e76326 | 357 | |
cc192b50 | 358 | request->my_addr.SetPort(0); |
62e76326 | 359 | |
edce4d98 | 360 | request->http_ver = http_ver; |
62e76326 | 361 | |
6dd9f4bd | 362 | http->request = HTTPMSGLOCK(request); |
edce4d98 | 363 | |
364 | /* optional - skip the access check ? */ | |
de31d06f | 365 | http->calloutContext = new ClientRequestContext(http); |
366 | ||
57abaac0 | 367 | http->calloutContext->http_access_done = false; |
de31d06f | 368 | |
57abaac0 | 369 | http->calloutContext->redirect_done = true; |
de31d06f | 370 | |
57abaac0 | 371 | http->calloutContext->no_cache_done = true; |
de31d06f | 372 | |
373 | http->doCallouts(); | |
62e76326 | 374 | |
edce4d98 | 375 | return 0; |
376 | } | |
377 | ||
de31d06f | 378 | bool |
379 | ClientRequestContext::httpStateIsValid() | |
380 | { | |
381 | ClientHttpRequest *http_ = http; | |
382 | ||
383 | if (cbdataReferenceValid(http_)) | |
384 | return true; | |
385 | ||
386 | http = NULL; | |
387 | ||
388 | cbdataReferenceDone(http_); | |
389 | ||
390 | return false; | |
391 | } | |
392 | ||
3d674977 AJ |
393 | #if FOLLOW_X_FORWARDED_FOR |
394 | /** | |
395 | * clientFollowXForwardedForCheck() checks the indirect_client_addr | |
396 | * against the followXFF ACL, or cleans up and passes control to | |
397 | * clientAccessCheck(). | |
398 | */ | |
399 | ||
400 | static void | |
401 | clientFollowXForwardedForCheck(int answer, void *data) | |
402 | { | |
403 | ClientRequestContext *calloutContext = (ClientRequestContext *) data; | |
404 | ClientHttpRequest *http = NULL; | |
405 | HttpRequest *request = NULL; | |
406 | ||
407 | if (!calloutContext->httpStateIsValid()) | |
408 | return; | |
409 | ||
26ac0430 | 410 | http = calloutContext->http; |
3d674977 AJ |
411 | request = http->request; |
412 | /* | |
413 | * answer should be be ACCESS_ALLOWED or ACCESS_DENIED if we are | |
414 | * called as a result of ACL checks, or -1 if we are called when | |
415 | * there's nothing left to do. | |
416 | */ | |
417 | if (answer == ACCESS_ALLOWED && | |
26ac0430 | 418 | request->x_forwarded_for_iterator.size () != 0) { |
3d674977 AJ |
419 | /* |
420 | * The IP address currently in request->indirect_client_addr | |
421 | * is trusted to use X-Forwarded-For. Remove the last | |
422 | * comma-delimited element from x_forwarded_for_iterator and use | |
423 | * it to to replace indirect_client_addr, then repeat the cycle. | |
424 | */ | |
425 | const char *p; | |
426 | const char *asciiaddr; | |
427 | int l; | |
428 | struct in_addr addr; | |
429 | p = request->x_forwarded_for_iterator.buf(); | |
430 | l = request->x_forwarded_for_iterator.size(); | |
431 | ||
432 | /* | |
433 | * XXX x_forwarded_for_iterator should really be a list of | |
434 | * IP addresses, but it's a String instead. We have to | |
435 | * walk backwards through the String, biting off the last | |
436 | * comma-delimited part each time. As long as the data is in | |
437 | * a String, we should probably implement and use a variant of | |
438 | * strListGetItem() that walks backwards instead of forwards | |
439 | * through a comma-separated list. But we don't even do that; | |
440 | * we just do the work in-line here. | |
441 | */ | |
442 | /* skip trailing space and commas */ | |
443 | while (l > 0 && (p[l-1] == ',' || xisspace(p[l-1]))) | |
444 | l--; | |
445 | request->x_forwarded_for_iterator.cut(l); | |
446 | /* look for start of last item in list */ | |
447 | while (l > 0 && ! (p[l-1] == ',' || xisspace(p[l-1]))) | |
448 | l--; | |
449 | asciiaddr = p+l; | |
26ac0430 | 450 | if (xinet_pton(AF_INET, asciiaddr, &addr) != 0) { |
3d674977 AJ |
451 | request->indirect_client_addr = addr; |
452 | request->x_forwarded_for_iterator.cut(l); | |
26ac0430 | 453 | if (! Config.onoff.acl_uses_indirect_client) { |
3d674977 AJ |
454 | /* |
455 | * If acl_uses_indirect_client is off, then it's impossible | |
456 | * to follow more than one level of X-Forwarded-For. | |
457 | */ | |
458 | request->x_forwarded_for_iterator.clean(); | |
459 | } | |
460 | calloutContext->acl_checklist = | |
26ac0430 | 461 | clientAclChecklistCreate(Config.accessList.followXFF, http); |
3d674977 AJ |
462 | calloutContext->acl_checklist-> |
463 | nonBlockingCheck(clientFollowXForwardedForCheck, data); | |
464 | return; | |
465 | } | |
466 | } /*if (answer == ACCESS_ALLOWED && | |
467 | request->x_forwarded_for_iterator.size () != 0)*/ | |
468 | ||
469 | /* clean up, and pass control to clientAccessCheck */ | |
26ac0430 | 470 | if (Config.onoff.log_uses_indirect_client) { |
3d674977 AJ |
471 | /* |
472 | * Ensure that the access log shows the indirect client | |
473 | * instead of the direct client. | |
474 | */ | |
475 | ConnStateData *conn = http->getConn(); | |
476 | conn->log_addr = request->indirect_client_addr; | |
477 | } | |
478 | request->x_forwarded_for_iterator.clean(); | |
479 | request->flags.done_follow_x_forwarded_for = 1; | |
480 | ||
493d3865 AJ |
481 | /* If follow XFF is denied, we reset the indirect_client_addr |
482 | to the direct client. Thats the one we are configured to check for */ | |
483 | if (answer == ACCESS_DENIED) { | |
484 | request->indirect_client_addr = request->client_addr; | |
485 | } | |
486 | /* on a failure, leave it as undefined state ?? */ | |
487 | else if (answer != ACCESS_ALLOWED) { | |
488 | debugs(28, DBG_CRITICAL, "Follow X-Forwarded-For encountered an error. Ignoring address: " << request->indirect_client_addr ); | |
489 | request->indirect_client_addr = request->client_addr; | |
490 | } | |
491 | ||
492 | /* process actual access ACL as normal. */ | |
493 | calloutContext->clientAccessCheck(); | |
3d674977 AJ |
494 | } |
495 | #endif /* FOLLOW_X_FORWARDED_FOR */ | |
496 | ||
edce4d98 | 497 | /* This is the entry point for external users of the client_side routines */ |
498 | void | |
de31d06f | 499 | ClientRequestContext::clientAccessCheck() |
edce4d98 | 500 | { |
3d674977 AJ |
501 | #if FOLLOW_X_FORWARDED_FOR |
502 | if (!http->request->flags.done_follow_x_forwarded_for && | |
26ac0430 AJ |
503 | Config.accessList.followXFF && |
504 | http->request->header.has(HDR_X_FORWARDED_FOR)) { | |
505 | http->request->x_forwarded_for_iterator = | |
3d674977 AJ |
506 | http->request->header.getList(HDR_X_FORWARDED_FOR); |
507 | clientFollowXForwardedForCheck(ACCESS_ALLOWED, this); | |
508 | return; | |
509 | } | |
510 | #endif /* FOLLOW_X_FORWARDED_FOR */ | |
493d3865 AJ |
511 | |
512 | acl_checklist = clientAclChecklistCreate(Config.accessList.http, http); | |
de31d06f | 513 | acl_checklist->nonBlockingCheck(clientAccessCheckDoneWrapper, this); |
edce4d98 | 514 | } |
515 | ||
516 | void | |
de31d06f | 517 | clientAccessCheckDoneWrapper(int answer, void *data) |
edce4d98 | 518 | { |
de31d06f | 519 | ClientRequestContext *calloutContext = (ClientRequestContext *) data; |
fbade053 | 520 | |
de31d06f | 521 | if (!calloutContext->httpStateIsValid()) |
62e76326 | 522 | return; |
62e76326 | 523 | |
de31d06f | 524 | calloutContext->clientAccessCheckDone(answer); |
525 | } | |
526 | ||
527 | void | |
528 | ClientRequestContext::clientAccessCheckDone(int answer) | |
529 | { | |
530 | acl_checklist = NULL; | |
edce4d98 | 531 | err_type page_id; |
532 | http_status status; | |
26ac0430 AJ |
533 | debugs(85, 2, "The request " << |
534 | RequestMethodStr(http->request->method) << " " << | |
535 | http->uri << " is " << | |
536 | (answer == ACCESS_ALLOWED ? "ALLOWED" : "DENIED") << | |
537 | ", because it matched '" << | |
538 | (AclMatchedName ? AclMatchedName : "NO ACL's") << "'" ); | |
f5691f9c | 539 | char const *proxy_auth_msg = "<null>"; |
540 | ||
94a396a3 | 541 | if (http->getConn() != NULL && http->getConn()->auth_user_request != NULL) |
f5691f9c | 542 | proxy_auth_msg = http->getConn()->auth_user_request->denyMessage("<null>"); |
543 | else if (http->request->auth_user_request != NULL) | |
544 | proxy_auth_msg = http->request->auth_user_request->denyMessage("<null>"); | |
62e76326 | 545 | |
de31d06f | 546 | if (answer != ACCESS_ALLOWED) { |
62e76326 | 547 | /* Send an error */ |
9ce7856a | 548 | int require_auth = (answer == ACCESS_REQ_PROXY_AUTH || aclIsProxyAuth(AclMatchedName)); |
bf8fe701 | 549 | debugs(85, 5, "Access Denied: " << http->uri); |
550 | debugs(85, 5, "AclMatchedName = " << (AclMatchedName ? AclMatchedName : "<null>")); | |
9ce7856a | 551 | |
552 | if (require_auth) | |
bf8fe701 | 553 | debugs(33, 5, "Proxy Auth Message = " << (proxy_auth_msg ? proxy_auth_msg : "<null>")); |
9ce7856a | 554 | |
62e76326 | 555 | /* |
556 | * NOTE: get page_id here, based on AclMatchedName because if | |
557 | * USE_DELAY_POOLS is enabled, then AclMatchedName gets clobbered in | |
558 | * the clientCreateStoreEntry() call just below. Pedro Ribeiro | |
559 | * <pribeiro@isel.pt> | |
560 | */ | |
9ce7856a | 561 | page_id = aclGetDenyInfoPage(&Config.denyInfoList, AclMatchedName, answer != ACCESS_REQ_PROXY_AUTH); |
562 | ||
62e76326 | 563 | http->logType = LOG_TCP_DENIED; |
564 | ||
9ce7856a | 565 | if (require_auth) { |
62e76326 | 566 | if (!http->flags.accel) { |
567 | /* Proxy authorisation needed */ | |
568 | status = HTTP_PROXY_AUTHENTICATION_REQUIRED; | |
569 | } else { | |
570 | /* WWW authorisation needed */ | |
571 | status = HTTP_UNAUTHORIZED; | |
572 | } | |
573 | ||
574 | if (page_id == ERR_NONE) | |
575 | page_id = ERR_CACHE_ACCESS_DENIED; | |
576 | } else { | |
577 | status = HTTP_FORBIDDEN; | |
578 | ||
579 | if (page_id == ERR_NONE) | |
580 | page_id = ERR_ACCESS_DENIED; | |
581 | } | |
582 | ||
de31d06f | 583 | clientStreamNode *node = (clientStreamNode *)http->client_stream.tail->prev->data; |
0655fa4d | 584 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
585 | assert (repContext); | |
26ac0430 AJ |
586 | IPAddress tmpnoaddr; |
587 | tmpnoaddr.SetNoAddr(); | |
0655fa4d | 588 | repContext->setReplyToError(page_id, status, |
589 | http->request->method, NULL, | |
cc192b50 | 590 | http->getConn() != NULL ? http->getConn()->peer : tmpnoaddr, |
591 | http->request, | |
592 | NULL, | |
593 | http->getConn() != NULL && http->getConn()->auth_user_request ? | |
594 | http->getConn()->auth_user_request : http->request->auth_user_request); | |
595 | ||
62e76326 | 596 | node = (clientStreamNode *)http->client_stream.tail->data; |
597 | clientStreamRead(node, http, node->readBuffer); | |
a546b04b | 598 | return; |
edce4d98 | 599 | } |
de31d06f | 600 | |
601 | /* ACCESS_ALLOWED continues here ... */ | |
602 | safe_free(http->uri); | |
603 | ||
604 | http->uri = xstrdup(urlCanonical(http->request)); | |
605 | ||
606 | http->doCallouts(); | |
607 | } | |
608 | ||
a83c6ed6 | 609 | #if USE_ADAPTATION |
de31d06f | 610 | static void |
a83c6ed6 | 611 | adaptationAclCheckDoneWrapper(Adaptation::ServicePointer service, void *data) |
de31d06f | 612 | { |
613 | ClientRequestContext *calloutContext = (ClientRequestContext *)data; | |
614 | ||
615 | if (!calloutContext->httpStateIsValid()) | |
616 | return; | |
617 | ||
a83c6ed6 | 618 | calloutContext->adaptationAclCheckDone(service); |
de31d06f | 619 | } |
620 | ||
621 | void | |
a83c6ed6 | 622 | ClientRequestContext::adaptationAclCheckDone(Adaptation::ServicePointer service) |
de31d06f | 623 | { |
a83c6ed6 | 624 | debugs(93,3,HERE << this << " adaptationAclCheckDone called"); |
6ec67de9 | 625 | assert(http); |
626 | ||
a83c6ed6 | 627 | if (http->startAdaptation(service)) |
de31d06f | 628 | return; |
629 | ||
a83c6ed6 | 630 | if (!service || service->cfg().bypass) { |
5f8252d2 | 631 | // handle ICAP start failure when no service was selected |
632 | // or where the selected service was optional | |
633 | http->doCallouts(); | |
634 | return; | |
635 | } | |
de31d06f | 636 | |
5f8252d2 | 637 | // handle start failure for an essential ICAP service |
a83c6ed6 | 638 | http->handleAdaptationFailure(); |
edce4d98 | 639 | } |
640 | ||
de31d06f | 641 | #endif |
642 | ||
14cc8559 | 643 | static void |
644 | clientRedirectAccessCheckDone(int answer, void *data) | |
645 | { | |
646 | ClientRequestContext *context = (ClientRequestContext *)data; | |
59a1efb2 | 647 | ClientHttpRequest *http = context->http; |
14cc8559 | 648 | context->acl_checklist = NULL; |
649 | ||
650 | if (answer == ACCESS_ALLOWED) | |
de31d06f | 651 | redirectStart(http, clientRedirectDoneWrapper, context); |
14cc8559 | 652 | else |
de31d06f | 653 | context->clientRedirectDone(NULL); |
14cc8559 | 654 | } |
655 | ||
de31d06f | 656 | void |
657 | ClientRequestContext::clientRedirectStart() | |
14cc8559 | 658 | { |
bf8fe701 | 659 | debugs(33, 5, "clientRedirectStart: '" << http->uri << "'"); |
14cc8559 | 660 | |
14cc8559 | 661 | if (Config.accessList.redirector) { |
de31d06f | 662 | acl_checklist = clientAclChecklistCreate(Config.accessList.redirector, http); |
663 | acl_checklist->nonBlockingCheck(clientRedirectAccessCheckDone, this); | |
14cc8559 | 664 | } else |
de31d06f | 665 | redirectStart(http, clientRedirectDoneWrapper, this); |
14cc8559 | 666 | } |
667 | ||
edce4d98 | 668 | static int |
59a1efb2 | 669 | clientHierarchical(ClientHttpRequest * http) |
edce4d98 | 670 | { |
671 | const char *url = http->uri; | |
190154cf | 672 | HttpRequest *request = http->request; |
60745f24 | 673 | HttpRequestMethod method = request->method; |
edce4d98 | 674 | const wordlist *p = NULL; |
675 | ||
69660be0 | 676 | /* |
677 | * IMS needs a private key, so we can use the hierarchy for IMS only if our | |
678 | * neighbors support private keys | |
679 | */ | |
62e76326 | 680 | |
edce4d98 | 681 | if (request->flags.ims && !neighbors_do_private_keys) |
62e76326 | 682 | return 0; |
683 | ||
69660be0 | 684 | /* |
685 | * This is incorrect: authenticating requests can be sent via a hierarchy | |
06b97e72 | 686 | * (they can even be cached if the correct headers are set on the reply) |
edce4d98 | 687 | */ |
688 | if (request->flags.auth) | |
62e76326 | 689 | return 0; |
690 | ||
edce4d98 | 691 | if (method == METHOD_TRACE) |
62e76326 | 692 | return 1; |
693 | ||
edce4d98 | 694 | if (method != METHOD_GET) |
62e76326 | 695 | return 0; |
696 | ||
edce4d98 | 697 | /* scan hierarchy_stoplist */ |
698 | for (p = Config.hierarchy_stoplist; p; p = p->next) | |
62e76326 | 699 | if (strstr(url, p->key)) |
700 | return 0; | |
701 | ||
edce4d98 | 702 | if (request->flags.loopdetect) |
62e76326 | 703 | return 0; |
704 | ||
edce4d98 | 705 | if (request->protocol == PROTO_HTTP) |
62e76326 | 706 | return httpCachable(method); |
707 | ||
edce4d98 | 708 | if (request->protocol == PROTO_GOPHER) |
62e76326 | 709 | return gopherCachable(request); |
710 | ||
edce4d98 | 711 | if (request->protocol == PROTO_CACHEOBJ) |
62e76326 | 712 | return 0; |
713 | ||
edce4d98 | 714 | return 1; |
715 | } | |
716 | ||
717 | ||
718 | static void | |
59a1efb2 | 719 | clientInterpretRequestHeaders(ClientHttpRequest * http) |
edce4d98 | 720 | { |
190154cf | 721 | HttpRequest *request = http->request; |
0ef77270 | 722 | HttpHeader *req_hdr = &request->header; |
edce4d98 | 723 | int no_cache = 0; |
f41735ea | 724 | #if !(USE_SQUID_ESI) || defined(USE_USERAGENT_LOG) || defined(USE_REFERER_LOG) |
62e76326 | 725 | |
edce4d98 | 726 | const char *str; |
727 | #endif | |
62e76326 | 728 | |
edce4d98 | 729 | request->imslen = -1; |
a9925b40 | 730 | request->ims = req_hdr->getTime(HDR_IF_MODIFIED_SINCE); |
62e76326 | 731 | |
edce4d98 | 732 | if (request->ims > 0) |
62e76326 | 733 | request->flags.ims = 1; |
734 | ||
f41735ea | 735 | #if USE_SQUID_ESI |
69660be0 | 736 | /* |
737 | * We ignore Cache-Control as per the Edge Architecture Section 3. See | |
738 | * www.esi.org for more information. | |
edce4d98 | 739 | */ |
740 | #else | |
62e76326 | 741 | |
a9925b40 | 742 | if (req_hdr->has(HDR_PRAGMA)) { |
30abd221 | 743 | String s = req_hdr->getList(HDR_PRAGMA); |
62e76326 | 744 | |
745 | if (strListIsMember(&s, "no-cache", ',')) | |
746 | no_cache++; | |
30abd221 | 747 | |
748 | s.clean(); | |
edce4d98 | 749 | } |
62e76326 | 750 | |
edce4d98 | 751 | if (request->cache_control) |
62e76326 | 752 | if (EBIT_TEST(request->cache_control->mask, CC_NO_CACHE)) |
753 | no_cache++; | |
754 | ||
69660be0 | 755 | /* |
62e76326 | 756 | * Work around for supporting the Reload button in IE browsers when Squid |
757 | * is used as an accelerator or transparent proxy, by turning accelerated | |
758 | * IMS request to no-cache requests. Now knows about IE 5.5 fix (is | |
759 | * actually only fixed in SP1, but we can't tell whether we are talking to | |
760 | * SP1 or not so all 5.5 versions are treated 'normally'). | |
761 | */ | |
edce4d98 | 762 | if (Config.onoff.ie_refresh) { |
62e76326 | 763 | if (http->flags.accel && request->flags.ims) { |
a9925b40 | 764 | if ((str = req_hdr->getStr(HDR_USER_AGENT))) { |
62e76326 | 765 | if (strstr(str, "MSIE 5.01") != NULL) |
766 | no_cache++; | |
767 | else if (strstr(str, "MSIE 5.0") != NULL) | |
768 | no_cache++; | |
769 | else if (strstr(str, "MSIE 4.") != NULL) | |
770 | no_cache++; | |
771 | else if (strstr(str, "MSIE 3.") != NULL) | |
772 | no_cache++; | |
773 | } | |
774 | } | |
edce4d98 | 775 | } |
914b89a2 | 776 | |
777 | if (request->method == METHOD_OTHER) { | |
26ac0430 | 778 | no_cache++; |
60745f24 | 779 | } |
62e76326 | 780 | |
edce4d98 | 781 | #endif |
782 | if (no_cache) { | |
783 | #if HTTP_VIOLATIONS | |
62e76326 | 784 | |
785 | if (Config.onoff.reload_into_ims) | |
786 | request->flags.nocache_hack = 1; | |
787 | else if (refresh_nocache_hack) | |
788 | request->flags.nocache_hack = 1; | |
789 | else | |
edce4d98 | 790 | #endif |
62e76326 | 791 | |
792 | request->flags.nocache = 1; | |
edce4d98 | 793 | } |
62e76326 | 794 | |
0ef77270 | 795 | /* ignore range header in non-GETs or non-HEADs */ |
796 | if (request->method == METHOD_GET || request->method == METHOD_HEAD) { | |
a9925b40 | 797 | request->range = req_hdr->getRange(); |
62e76326 | 798 | |
799 | if (request->range) { | |
800 | request->flags.range = 1; | |
801 | clientStreamNode *node = (clientStreamNode *)http->client_stream.tail->data; | |
802 | /* XXX: This is suboptimal. We should give the stream the range set, | |
803 | * and thereby let the top of the stream set the offset when the | |
26ac0430 | 804 | * size becomes known. As it is, we will end up requesting from 0 |
62e76326 | 805 | * for evey -X range specification. |
806 | * RBC - this may be somewhat wrong. We should probably set the range | |
807 | * iter up at this point. | |
808 | */ | |
809 | node->readBuffer.offset = request->range->lowestOffset(0); | |
810 | http->range_iter.pos = request->range->begin(); | |
811 | http->range_iter.valid = true; | |
812 | } | |
edce4d98 | 813 | } |
62e76326 | 814 | |
0ef77270 | 815 | /* Only HEAD and GET requests permit a Range or Request-Range header. |
816 | * If these headers appear on any other type of request, delete them now. | |
817 | */ | |
818 | else { | |
819 | req_hdr->delById(HDR_RANGE); | |
820 | req_hdr->delById(HDR_REQUEST_RANGE); | |
821 | request->range = NULL; | |
822 | } | |
823 | ||
a9925b40 | 824 | if (req_hdr->has(HDR_AUTHORIZATION)) |
62e76326 | 825 | request->flags.auth = 1; |
826 | ||
d67acb4e AJ |
827 | ConnStateData *http_conn = http->getConn(); |
828 | assert(http_conn); | |
829 | request->flags.connection_auth_disabled = http_conn->port->connection_auth_disabled; | |
830 | if (!request->flags.connection_auth_disabled) { | |
26ac0430 AJ |
831 | if (http_conn->pinning.fd != -1) { |
832 | if (http_conn->pinning.auth) { | |
833 | request->flags.connection_auth = 1; | |
834 | request->flags.auth = 1; | |
835 | } else { | |
836 | request->flags.connection_proxy_auth = 1; | |
837 | } | |
838 | request->setPinnedConnection(http_conn); | |
839 | } | |
d67acb4e AJ |
840 | } |
841 | ||
842 | /* check if connection auth is used, and flag as candidate for pinning | |
843 | * in such case. | |
844 | * Note: we may need to set flags.connection_auth even if the connection | |
845 | * is already pinned if it was pinned earlier due to proxy auth | |
846 | */ | |
847 | if (!request->flags.connection_auth) { | |
26ac0430 AJ |
848 | if (req_hdr->has(HDR_AUTHORIZATION) || req_hdr->has(HDR_PROXY_AUTHORIZATION)) { |
849 | HttpHeaderPos pos = HttpHeaderInitPos; | |
850 | HttpHeaderEntry *e; | |
851 | int may_pin = 0; | |
852 | while ((e = req_hdr->getEntry(&pos))) { | |
853 | if (e->id == HDR_AUTHORIZATION || e->id == HDR_PROXY_AUTHORIZATION) { | |
854 | const char *value = e->value.buf(); | |
855 | if (strncasecmp(value, "NTLM ", 5) == 0 | |
856 | || | |
857 | strncasecmp(value, "Negotiate ", 10) == 0 | |
858 | || | |
859 | strncasecmp(value, "Kerberos ", 9) == 0) { | |
860 | if (e->id == HDR_AUTHORIZATION) { | |
861 | request->flags.connection_auth = 1; | |
862 | may_pin = 1; | |
863 | } else { | |
864 | request->flags.connection_proxy_auth = 1; | |
865 | may_pin = 1; | |
866 | } | |
867 | } | |
868 | } | |
869 | } | |
870 | if (may_pin && !request->pinnedConnection()) { | |
871 | request->setPinnedConnection(http->getConn()); | |
872 | } | |
873 | } | |
d67acb4e AJ |
874 | } |
875 | ||
876 | ||
edce4d98 | 877 | if (request->login[0] != '\0') |
62e76326 | 878 | request->flags.auth = 1; |
879 | ||
a9925b40 | 880 | if (req_hdr->has(HDR_VIA)) { |
30abd221 | 881 | String s = req_hdr->getList(HDR_VIA); |
62e76326 | 882 | /* |
883 | * ThisCache cannot be a member of Via header, "1.0 ThisCache" can. | |
884 | * Note ThisCache2 has a space prepended to the hostname so we don't | |
885 | * accidentally match super-domains. | |
886 | */ | |
887 | ||
888 | if (strListIsSubstr(&s, ThisCache2, ',')) { | |
889 | debugObj(33, 1, "WARNING: Forwarding loop detected for:\n", | |
890 | request, (ObjPackMethod) & httpRequestPack); | |
891 | request->flags.loopdetect = 1; | |
892 | } | |
893 | ||
edce4d98 | 894 | #if FORW_VIA_DB |
30abd221 | 895 | fvdbCountVia(s.buf()); |
62e76326 | 896 | |
edce4d98 | 897 | #endif |
62e76326 | 898 | |
30abd221 | 899 | s.clean(); |
edce4d98 | 900 | } |
62e76326 | 901 | |
26ac0430 AJ |
902 | /** |
903 | \todo --enable-useragent-log and --enable-referer-log. We should | |
904 | probably drop those two as the custom log formats accomplish pretty much the same thing.. | |
905 | */ | |
edce4d98 | 906 | #if USE_USERAGENT_LOG |
a9925b40 | 907 | if ((str = req_hdr->getStr(HDR_USER_AGENT))) |
b4306cba | 908 | logUserAgent(fqdnFromAddr(http->getConn()->log_addr), str); |
62e76326 | 909 | |
edce4d98 | 910 | #endif |
911 | #if USE_REFERER_LOG | |
62e76326 | 912 | |
a9925b40 | 913 | if ((str = req_hdr->getStr(HDR_REFERER))) |
b4306cba | 914 | logReferer(fqdnFromAddr(http->getConn()->log_addr), str, http->log_uri); |
62e76326 | 915 | |
edce4d98 | 916 | #endif |
917 | #if FORW_VIA_DB | |
62e76326 | 918 | |
a9925b40 | 919 | if (req_hdr->has(HDR_X_FORWARDED_FOR)) { |
30abd221 | 920 | String s = req_hdr->getList(HDR_X_FORWARDED_FOR); |
921 | fvdbCountForw(s.buf()); | |
922 | s.clean(); | |
edce4d98 | 923 | } |
62e76326 | 924 | |
edce4d98 | 925 | #endif |
926 | if (request->method == METHOD_TRACE) { | |
a9925b40 | 927 | request->max_forwards = req_hdr->getInt(HDR_MAX_FORWARDS); |
edce4d98 | 928 | } |
62e76326 | 929 | |
610ee341 | 930 | request->flags.cachable = http->request->cacheable(); |
62e76326 | 931 | |
edce4d98 | 932 | if (clientHierarchical(http)) |
62e76326 | 933 | request->flags.hierarchical = 1; |
934 | ||
bf8fe701 | 935 | debugs(85, 5, "clientInterpretRequestHeaders: REQ_NOCACHE = " << |
936 | (request->flags.nocache ? "SET" : "NOT SET")); | |
937 | debugs(85, 5, "clientInterpretRequestHeaders: REQ_CACHABLE = " << | |
938 | (request->flags.cachable ? "SET" : "NOT SET")); | |
939 | debugs(85, 5, "clientInterpretRequestHeaders: REQ_HIERARCHICAL = " << | |
940 | (request->flags.hierarchical ? "SET" : "NOT SET")); | |
62e76326 | 941 | |
edce4d98 | 942 | } |
943 | ||
944 | void | |
de31d06f | 945 | clientRedirectDoneWrapper(void *data, char *result) |
edce4d98 | 946 | { |
de31d06f | 947 | ClientRequestContext *calloutContext = (ClientRequestContext *)data; |
db02222f | 948 | |
de31d06f | 949 | if (!calloutContext->httpStateIsValid()) |
62e76326 | 950 | return; |
62e76326 | 951 | |
de31d06f | 952 | calloutContext->clientRedirectDone(result); |
953 | } | |
954 | ||
955 | void | |
956 | ClientRequestContext::clientRedirectDone(char *result) | |
957 | { | |
190154cf | 958 | HttpRequest *new_request = NULL; |
959 | HttpRequest *old_request = http->request; | |
bf8fe701 | 960 | debugs(85, 5, "clientRedirectDone: '" << http->uri << "' result=" << (result ? result : "NULL")); |
de31d06f | 961 | assert(redirect_state == REDIRECT_PENDING); |
962 | redirect_state = REDIRECT_DONE; | |
62e76326 | 963 | |
edce4d98 | 964 | if (result) { |
62e76326 | 965 | http_status status = (http_status) atoi(result); |
966 | ||
967 | if (status == HTTP_MOVED_PERMANENTLY | |
968 | || status == HTTP_MOVED_TEMPORARILY | |
969 | || status == HTTP_SEE_OTHER | |
970 | || status == HTTP_TEMPORARY_REDIRECT) { | |
971 | char *t = result; | |
972 | ||
973 | if ((t = strchr(result, ':')) != NULL) { | |
974 | http->redirect.status = status; | |
975 | http->redirect.location = xstrdup(t + 1); | |
976 | } else { | |
bf8fe701 | 977 | debugs(85, 1, "clientRedirectDone: bad input: " << result); |
62e76326 | 978 | } |
2baf58c3 | 979 | } else if (strcmp(result, http->uri)) |
c21ad0f5 | 980 | new_request = HttpRequest::CreateFromUrlAndMethod(result, old_request->method); |
edce4d98 | 981 | } |
62e76326 | 982 | |
edce4d98 | 983 | if (new_request) { |
62e76326 | 984 | safe_free(http->uri); |
985 | http->uri = xstrdup(urlCanonical(new_request)); | |
986 | new_request->http_ver = old_request->http_ver; | |
a9925b40 | 987 | new_request->header.append(&old_request->header); |
62e76326 | 988 | new_request->client_addr = old_request->client_addr; |
3d674977 AJ |
989 | #if FOLLOW_X_FORWARDED_FOR |
990 | new_request->indirect_client_addr = old_request->indirect_client_addr; | |
991 | #endif /* FOLLOW_X_FORWARDED_FOR */ | |
62e76326 | 992 | new_request->my_addr = old_request->my_addr; |
62e76326 | 993 | new_request->flags = old_request->flags; |
3c1f01bc | 994 | new_request->flags.redirected = 1; |
62e76326 | 995 | |
996 | if (old_request->auth_user_request) { | |
997 | new_request->auth_user_request = old_request->auth_user_request; | |
4f0ef8e8 | 998 | AUTHUSERREQUESTLOCK(new_request->auth_user_request, "new request"); |
62e76326 | 999 | } |
1000 | ||
5f8252d2 | 1001 | if (old_request->body_pipe != NULL) { |
1002 | new_request->body_pipe = old_request->body_pipe; | |
1003 | old_request->body_pipe = NULL; | |
1004 | debugs(0,0,HERE << "redirecting body_pipe " << new_request->body_pipe << " from request " << old_request << " to " << new_request); | |
62e76326 | 1005 | } |
1006 | ||
1007 | new_request->content_length = old_request->content_length; | |
abb929f0 | 1008 | new_request->extacl_user = old_request->extacl_user; |
1009 | new_request->extacl_passwd = old_request->extacl_passwd; | |
62e76326 | 1010 | new_request->flags.proxy_keepalive = old_request->flags.proxy_keepalive; |
6dd9f4bd | 1011 | HTTPMSGUNLOCK(old_request); |
1012 | http->request = HTTPMSGLOCK(new_request); | |
edce4d98 | 1013 | } |
62e76326 | 1014 | |
edce4d98 | 1015 | /* FIXME PIPELINE: This is innacurate during pipelining */ |
62e76326 | 1016 | |
5f8252d2 | 1017 | if (http->getConn() != NULL) |
98242069 | 1018 | fd_note(http->getConn()->fd, http->uri); |
62e76326 | 1019 | |
c8be6d7b | 1020 | assert(http->uri); |
62e76326 | 1021 | |
de31d06f | 1022 | http->doCallouts(); |
edce4d98 | 1023 | } |
1024 | ||
1025 | void | |
8e2745f4 | 1026 | ClientRequestContext::checkNoCache() |
edce4d98 | 1027 | { |
de31d06f | 1028 | acl_checklist = clientAclChecklistCreate(Config.accessList.noCache, http); |
57abaac0 | 1029 | acl_checklist->nonBlockingCheck(checkNoCacheDoneWrapper, this); |
edce4d98 | 1030 | } |
1031 | ||
de31d06f | 1032 | static void |
1033 | checkNoCacheDoneWrapper(int answer, void *data) | |
edce4d98 | 1034 | { |
de31d06f | 1035 | ClientRequestContext *calloutContext = (ClientRequestContext *) data; |
e4a67a80 | 1036 | |
de31d06f | 1037 | if (!calloutContext->httpStateIsValid()) |
1038 | return; | |
1039 | ||
1040 | calloutContext->checkNoCacheDone(answer); | |
8e2745f4 | 1041 | } |
4fb35c3c | 1042 | |
8e2745f4 | 1043 | void |
1044 | ClientRequestContext::checkNoCacheDone(int answer) | |
62e76326 | 1045 | { |
8e2745f4 | 1046 | acl_checklist = NULL; |
de31d06f | 1047 | http->request->flags.cachable = answer; |
1048 | http->doCallouts(); | |
edce4d98 | 1049 | } |
1050 | ||
69660be0 | 1051 | /* |
1052 | * Identify requests that do not go through the store and client side stream | |
1053 | * and forward them to the appropriate location. All other requests, request | |
1054 | * them. | |
edce4d98 | 1055 | */ |
1056 | void | |
8e2745f4 | 1057 | ClientHttpRequest::processRequest() |
edce4d98 | 1058 | { |
60745f24 | 1059 | debugs(85, 4, "clientProcessRequest: " << RequestMethodStr(request->method) << " '" << uri << "'"); |
62e76326 | 1060 | |
3712be3f | 1061 | #if USE_SSL |
1062 | if (request->method == METHOD_CONNECT && sslBumpNeeded()) { | |
1063 | sslBumpStart(); | |
1064 | return; | |
1065 | } | |
1066 | #endif | |
1067 | ||
2baf58c3 | 1068 | if (request->method == METHOD_CONNECT && !redirect.status) { |
62e76326 | 1069 | logType = LOG_TCP_MISS; |
11007d4b | 1070 | tunnelStart(this, &out.size, &al.http.code); |
62e76326 | 1071 | return; |
edce4d98 | 1072 | } |
62e76326 | 1073 | |
8e2745f4 | 1074 | httpStart(); |
1075 | } | |
1076 | ||
1077 | void | |
1078 | ClientHttpRequest::httpStart() | |
1079 | { | |
559da936 | 1080 | PROF_start(httpStart); |
8e2745f4 | 1081 | logType = LOG_TAG_NONE; |
bf8fe701 | 1082 | debugs(85, 4, "ClientHttpRequest::httpStart: " << log_tags[logType] << " for '" << uri << "'"); |
1083 | ||
edce4d98 | 1084 | /* no one should have touched this */ |
8e2745f4 | 1085 | assert(out.offset == 0); |
edce4d98 | 1086 | /* Use the Stream Luke */ |
8e2745f4 | 1087 | clientStreamNode *node = (clientStreamNode *)client_stream.tail->data; |
1088 | clientStreamRead(node, this, node->readBuffer); | |
559da936 | 1089 | PROF_stop(httpStart); |
edce4d98 | 1090 | } |
0655fa4d | 1091 | |
3712be3f | 1092 | #if USE_SSL |
1093 | ||
1094 | // determines whether we should bump the CONNECT request | |
1095 | bool | |
26ac0430 AJ |
1096 | ClientHttpRequest::sslBumpNeeded() const |
1097 | { | |
3712be3f | 1098 | if (!getConn()->port->sslBump || !Config.accessList.ssl_bump) |
1099 | return false; | |
1100 | ||
1101 | debugs(85, 5, HERE << "SslBump possible, checking ACL"); | |
1102 | ||
1103 | ACLChecklist check; | |
1104 | check.src_addr = request->client_addr; | |
26ac0430 AJ |
1105 | check.my_addr = request->my_addr; |
1106 | check.request = HTTPMSGLOCK(request); | |
1107 | check.accessList = cbdataReference(Config.accessList.ssl_bump); | |
1108 | /* cbdataReferenceDone() happens in either fastCheck() or ~ACLCheckList */ | |
1109 | return check.fastCheck() == 1; | |
3712be3f | 1110 | } |
1111 | ||
1112 | // called when comm_write has completed | |
1113 | static void | |
1114 | SslBumpEstablish(int, char *, size_t, comm_err_t errflag, int, void *data) | |
1115 | { | |
1116 | ClientHttpRequest *r = static_cast<ClientHttpRequest*>(data); | |
1117 | debugs(85, 5, HERE << "responded to CONNECT: " << r << " ? " << errflag); | |
1118 | ||
1119 | assert(r && cbdataReferenceValid(r)); | |
1120 | r->sslBumpEstablish(errflag); | |
1121 | } | |
1122 | ||
1123 | void | |
1124 | ClientHttpRequest::sslBumpEstablish(comm_err_t errflag) | |
1125 | { | |
1126 | // Bail out quickly on COMM_ERR_CLOSING - close handlers will tidy up | |
1127 | if (errflag == COMM_ERR_CLOSING) | |
1128 | return; | |
1129 | ||
1130 | if (errflag) { | |
1131 | getConn()->startClosing("CONNECT response failure in SslBump"); | |
1132 | return; | |
1133 | } | |
1134 | ||
1135 | getConn()->switchToHttps(); | |
1136 | } | |
1137 | ||
1138 | void | |
1139 | ClientHttpRequest::sslBumpStart() | |
1140 | { | |
1141 | debugs(85, 5, HERE << "ClientHttpRequest::sslBumpStart"); | |
1142 | ||
1143 | // send an HTTP 200 response to kick client SSL negotiation | |
1144 | const int fd = getConn()->fd; | |
1145 | debugs(33, 7, HERE << "Confirming CONNECT tunnel on FD " << fd); | |
1146 | ||
1147 | // TODO: Unify with tunnel.cc and add a Server(?) header | |
1148 | static const char *const conn_established = | |
1149 | "HTTP/1.0 200 Connection established\r\n\r\n"; | |
1150 | comm_write(fd, conn_established, strlen(conn_established), | |
26ac0430 | 1151 | &SslBumpEstablish, this, NULL); |
3712be3f | 1152 | } |
1153 | ||
1154 | #endif | |
1155 | ||
0655fa4d | 1156 | bool |
1157 | ClientHttpRequest::gotEnough() const | |
1158 | { | |
86a2f789 | 1159 | /** TODO: should be querying the stream. */ |
7173d5b0 | 1160 | int64_t contentLength = |
06a5ae20 | 1161 | memObject()->getReply()->bodySize(request->method); |
0655fa4d | 1162 | assert(contentLength >= 0); |
1163 | ||
1164 | if (out.offset < contentLength) | |
1165 | return false; | |
1166 | ||
1167 | return true; | |
1168 | } | |
1169 | ||
86a2f789 | 1170 | void |
1171 | ClientHttpRequest::storeEntry(StoreEntry *newEntry) | |
1172 | { | |
1173 | entry_ = newEntry; | |
1174 | } | |
1175 | ||
0976f8db | 1176 | void |
1177 | ClientHttpRequest::loggingEntry(StoreEntry *newEntry) | |
1178 | { | |
1179 | if (loggingEntry_) | |
97b5e68f | 1180 | loggingEntry_->unlock(); |
0976f8db | 1181 | |
1182 | loggingEntry_ = newEntry; | |
1183 | ||
1184 | if (loggingEntry_) | |
3d0ac046 | 1185 | loggingEntry_->lock(); |
0976f8db | 1186 | } |
86a2f789 | 1187 | |
de31d06f | 1188 | /* |
1189 | * doCallouts() - This function controls the order of "callout" | |
1190 | * executions, including non-blocking access control checks, the | |
1191 | * redirector, and ICAP. Previously, these callouts were chained | |
1192 | * together such that "clientAccessCheckDone()" would call | |
1193 | * "clientRedirectStart()" and so on. | |
1194 | * | |
1195 | * The ClientRequestContext (aka calloutContext) class holds certain | |
1196 | * state data for the callout/callback operations. Previously | |
1197 | * ClientHttpRequest would sort of hand off control to ClientRequestContext | |
1198 | * for a short time. ClientRequestContext would then delete itself | |
1199 | * and pass control back to ClientHttpRequest when all callouts | |
1200 | * were finished. | |
1201 | * | |
1202 | * This caused some problems for ICAP because we want to make the | |
1203 | * ICAP callout after checking ACLs, but before checking the no_cache | |
1204 | * list. We can't stuff the ICAP state into the ClientRequestContext | |
1205 | * class because we still need the ICAP state after ClientRequestContext | |
1206 | * goes away. | |
1207 | * | |
1208 | * Note that ClientRequestContext is created before the first call | |
1209 | * to doCallouts(). | |
1210 | * | |
1211 | * If one of the callouts notices that ClientHttpRequest is no | |
1212 | * longer valid, it should call cbdataReferenceDone() so that | |
1213 | * ClientHttpRequest's reference count goes to zero and it will get | |
1214 | * deleted. ClientHttpRequest will then delete ClientRequestContext. | |
1215 | * | |
1216 | * Note that we set the _done flags here before actually starting | |
1217 | * the callout. This is strictly for convenience. | |
1218 | */ | |
1219 | ||
057f5854 | 1220 | extern int aclMapTOS (acl_tos * head, ACLChecklist * ch); |
1221 | ||
de31d06f | 1222 | void |
1223 | ClientHttpRequest::doCallouts() | |
1224 | { | |
1225 | assert(calloutContext); | |
1226 | ||
1227 | if (!calloutContext->http_access_done) { | |
3712be3f | 1228 | debugs(83, 3, HERE << "Doing calloutContext->clientAccessCheck()"); |
57abaac0 | 1229 | calloutContext->http_access_done = true; |
de31d06f | 1230 | calloutContext->clientAccessCheck(); |
1231 | return; | |
1232 | } | |
1233 | ||
a83c6ed6 | 1234 | #if USE_ADAPTATION |
abd4b611 | 1235 | if (!calloutContext->adaptation_acl_check_done) { |
a83c6ed6 | 1236 | calloutContext->adaptation_acl_check_done = true; |
abd4b611 | 1237 | if (Adaptation::AccessCheck::Start( |
26ac0430 AJ |
1238 | Adaptation::methodReqmod, Adaptation::pointPreCache, |
1239 | request, NULL, adaptationAclCheckDoneWrapper, calloutContext)) | |
abd4b611 | 1240 | return; // will call callback |
de31d06f | 1241 | } |
de31d06f | 1242 | #endif |
1243 | ||
1244 | if (!calloutContext->redirect_done) { | |
57abaac0 | 1245 | calloutContext->redirect_done = true; |
de31d06f | 1246 | assert(calloutContext->redirect_state == REDIRECT_NONE); |
1247 | ||
1248 | if (Config.Program.redirect) { | |
3712be3f | 1249 | debugs(83, 3, HERE << "Doing calloutContext->clientRedirectStart()"); |
de31d06f | 1250 | calloutContext->redirect_state = REDIRECT_PENDING; |
1251 | calloutContext->clientRedirectStart(); | |
1252 | return; | |
1253 | } | |
1254 | } | |
1255 | ||
57abaac0 | 1256 | if (!calloutContext->interpreted_req_hdrs) { |
3712be3f | 1257 | debugs(83, 3, HERE << "Doing clientInterpretRequestHeaders()"); |
57abaac0 | 1258 | calloutContext->interpreted_req_hdrs = 1; |
1259 | clientInterpretRequestHeaders(this); | |
1260 | } | |
1261 | ||
de31d06f | 1262 | if (!calloutContext->no_cache_done) { |
57abaac0 | 1263 | calloutContext->no_cache_done = true; |
de31d06f | 1264 | |
1265 | if (Config.accessList.noCache && request->flags.cachable) { | |
3712be3f | 1266 | debugs(83, 3, HERE << "Doing calloutContext->checkNoCache()"); |
de31d06f | 1267 | calloutContext->checkNoCache(); |
1268 | return; | |
1269 | } | |
1270 | } | |
1271 | ||
057f5854 | 1272 | if (!calloutContext->clientside_tos_done) { |
1273 | calloutContext->clientside_tos_done = true; | |
3712be3f | 1274 | if (getConn() != NULL) { |
1275 | ACLChecklist ch; | |
057f5854 | 1276 | ch.src_addr = request->client_addr; |
1277 | ch.my_addr = request->my_addr; | |
057f5854 | 1278 | ch.request = HTTPMSGLOCK(request); |
3712be3f | 1279 | int tos = aclMapTOS(Config.accessList.clientside_tos, &ch); |
1280 | if (tos) | |
1281 | comm_set_tos(getConn()->fd, tos); | |
1282 | } | |
057f5854 | 1283 | } |
1284 | ||
de31d06f | 1285 | cbdataReferenceDone(calloutContext->http); |
1286 | delete calloutContext; | |
1287 | calloutContext = NULL; | |
de31d06f | 1288 | #if HEADERS_LOG |
1289 | ||
1290 | headersLog(0, 1, request->method, request); | |
1291 | #endif | |
1292 | ||
58d7150d | 1293 | debugs(83, 3, HERE << "calling processRequest()"); |
de31d06f | 1294 | processRequest(); |
1295 | } | |
1296 | ||
86a2f789 | 1297 | #ifndef _USE_INLINE_ |
1298 | #include "client_side_request.cci" | |
1299 | #endif | |
de31d06f | 1300 | |
a83c6ed6 | 1301 | #if USE_ADAPTATION |
de31d06f | 1302 | /* |
26ac0430 | 1303 | * Initiate an ICAP transaction. Return false on errors. |
5f8252d2 | 1304 | * The caller must handle errors. |
de31d06f | 1305 | */ |
5f8252d2 | 1306 | bool |
a83c6ed6 | 1307 | ClientHttpRequest::startAdaptation(Adaptation::ServicePointer service) |
3b299123 | 1308 | { |
a83c6ed6 | 1309 | debugs(85, 3, HERE << this << " ClientHttpRequest::startAdaptation() called"); |
5f8252d2 | 1310 | if (!service) { |
a83c6ed6 | 1311 | debugs(85, 3, "ClientHttpRequest::startAdaptation fails: lack of service"); |
5f8252d2 | 1312 | return false; |
3b299123 | 1313 | } |
5f8252d2 | 1314 | if (service->broken()) { |
a83c6ed6 | 1315 | debugs(85, 3, "ClientHttpRequest::startAdaptation fails: broken service"); |
5f8252d2 | 1316 | return false; |
3b299123 | 1317 | } |
1318 | ||
a83c6ed6 AR |
1319 | assert(!virginHeadSource); |
1320 | assert(!adaptedBodySource); | |
1321 | virginHeadSource = initiateAdaptation(service->makeXactLauncher( | |
26ac0430 | 1322 | this, request, NULL)); |
a83c6ed6 AR |
1323 | |
1324 | return virginHeadSource != NULL; | |
de31d06f | 1325 | } |
1326 | ||
1327 | void | |
a83c6ed6 | 1328 | ClientHttpRequest::noteAdaptationAnswer(HttpMsg *msg) |
de31d06f | 1329 | { |
de31d06f | 1330 | assert(cbdataReferenceValid(this)); // indicates bug |
5f8252d2 | 1331 | assert(msg); |
1332 | ||
b044675d | 1333 | if (HttpRequest *new_req = dynamic_cast<HttpRequest*>(msg)) { |
200ac359 | 1334 | /* |
5f8252d2 | 1335 | * Replace the old request with the new request. |
200ac359 | 1336 | */ |
6dd9f4bd | 1337 | HTTPMSGUNLOCK(request); |
1338 | request = HTTPMSGLOCK(new_req); | |
200ac359 | 1339 | /* |
1340 | * Store the new URI for logging | |
1341 | */ | |
1342 | xfree(uri); | |
1343 | uri = xstrdup(urlCanonical(request)); | |
1344 | setLogUri(this, urlCanonicalClean(request)); | |
914b89a2 | 1345 | assert(request->method.id()); |
b044675d | 1346 | } else if (HttpReply *new_rep = dynamic_cast<HttpReply*>(msg)) { |
1347 | debugs(85,3,HERE << "REQMOD reply is HTTP reply"); | |
1348 | ||
5f8252d2 | 1349 | // subscribe to receive reply body |
1350 | if (new_rep->body_pipe != NULL) { | |
a83c6ed6 AR |
1351 | adaptedBodySource = new_rep->body_pipe; |
1352 | assert(adaptedBodySource->setConsumerIfNotLate(this)); | |
5f8252d2 | 1353 | } |
1354 | ||
b044675d | 1355 | clientStreamNode *node = (clientStreamNode *)client_stream.tail->prev->data; |
1356 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); | |
1357 | repContext->createStoreEntry(request->method, request->flags); | |
1358 | ||
1359 | EBIT_CLR(storeEntry()->flags, ENTRY_FWD_HDR_WAIT); | |
1360 | request_satisfaction_mode = true; | |
1361 | request_satisfaction_offset = 0; | |
1362 | storeEntry()->replaceHttpReply(new_rep); | |
cb4c4288 | 1363 | |
a83c6ed6 | 1364 | if (!adaptedBodySource) // no body |
cb4c4288 | 1365 | storeEntry()->complete(); |
b044675d | 1366 | clientGetMoreData(node, this); |
200ac359 | 1367 | } |
de31d06f | 1368 | |
5f8252d2 | 1369 | // we are done with getting headers (but may be receiving body) |
a83c6ed6 | 1370 | clearAdaptation(virginHeadSource); |
5f8252d2 | 1371 | |
b044675d | 1372 | if (!request_satisfaction_mode) |
1373 | doCallouts(); | |
de31d06f | 1374 | } |
1375 | ||
1376 | void | |
a83c6ed6 | 1377 | ClientHttpRequest::noteAdaptationQueryAbort(bool final) |
de31d06f | 1378 | { |
a83c6ed6 AR |
1379 | clearAdaptation(virginHeadSource); |
1380 | assert(!adaptedBodySource); | |
1381 | handleAdaptationFailure(!final); | |
de31d06f | 1382 | } |
1383 | ||
1384 | void | |
1cf238db | 1385 | ClientHttpRequest::noteMoreBodyDataAvailable(BodyPipe::Pointer) |
de31d06f | 1386 | { |
5f8252d2 | 1387 | assert(request_satisfaction_mode); |
a83c6ed6 | 1388 | assert(adaptedBodySource != NULL); |
5f8252d2 | 1389 | |
a83c6ed6 AR |
1390 | if (const size_t contentSize = adaptedBodySource->buf().contentSize()) { |
1391 | BodyPipeCheckout bpc(*adaptedBodySource); | |
5f8252d2 | 1392 | const StoreIOBuffer ioBuf(&bpc.buf, request_satisfaction_offset); |
1393 | storeEntry()->write(ioBuf); | |
1394 | // assume can write everything | |
1395 | request_satisfaction_offset += contentSize; | |
1396 | bpc.buf.consume(contentSize); | |
1397 | bpc.checkIn(); | |
1398 | } | |
1399 | ||
a83c6ed6 | 1400 | if (adaptedBodySource->exhausted()) |
5f8252d2 | 1401 | endRequestSatisfaction(); |
1402 | // else wait for more body data | |
de31d06f | 1403 | } |
1404 | ||
1405 | void | |
1cf238db | 1406 | ClientHttpRequest::noteBodyProductionEnded(BodyPipe::Pointer) |
de31d06f | 1407 | { |
a83c6ed6 AR |
1408 | assert(!virginHeadSource); |
1409 | if (adaptedBodySource != NULL) { // did not end request satisfaction yet | |
26ac0430 | 1410 | // We do not expect more because noteMoreBodyDataAvailable always |
5f8252d2 | 1411 | // consumes everything. We do not even have a mechanism to consume |
1412 | // leftovers after noteMoreBodyDataAvailable notifications seize. | |
a83c6ed6 | 1413 | assert(adaptedBodySource->exhausted()); |
5f8252d2 | 1414 | endRequestSatisfaction(); |
1415 | } | |
1416 | } | |
3b299123 | 1417 | |
5f8252d2 | 1418 | void |
26ac0430 AJ |
1419 | ClientHttpRequest::endRequestSatisfaction() |
1420 | { | |
5f8252d2 | 1421 | debugs(85,4, HERE << this << " ends request satisfaction"); |
1422 | assert(request_satisfaction_mode); | |
a83c6ed6 | 1423 | stopConsumingFrom(adaptedBodySource); |
3b299123 | 1424 | |
5f8252d2 | 1425 | // TODO: anything else needed to end store entry formation correctly? |
1426 | storeEntry()->complete(); | |
1427 | } | |
de31d06f | 1428 | |
5f8252d2 | 1429 | void |
1cf238db | 1430 | ClientHttpRequest::noteBodyProducerAborted(BodyPipe::Pointer) |
5f8252d2 | 1431 | { |
a83c6ed6 AR |
1432 | assert(!virginHeadSource); |
1433 | stopConsumingFrom(adaptedBodySource); | |
1434 | handleAdaptationFailure(); | |
5f8252d2 | 1435 | } |
3b299123 | 1436 | |
5f8252d2 | 1437 | void |
a83c6ed6 | 1438 | ClientHttpRequest::handleAdaptationFailure(bool bypassable) |
5f8252d2 | 1439 | { |
a83c6ed6 | 1440 | debugs(85,3, HERE << "handleAdaptationFailure(" << bypassable << ")"); |
3b299123 | 1441 | |
5f8252d2 | 1442 | const bool usedStore = storeEntry() && !storeEntry()->isEmpty(); |
1443 | const bool usedPipe = request->body_pipe != NULL && | |
26ac0430 | 1444 | request->body_pipe->consumedSize() > 0; |
3b299123 | 1445 | |
9d4d7c5e | 1446 | if (bypassable && !usedStore && !usedPipe) { |
1447 | debugs(85,3, HERE << "ICAP REQMOD callout failed, bypassing: " << calloutContext); | |
5f8252d2 | 1448 | if (calloutContext) |
1449 | doCallouts(); | |
1450 | return; | |
1451 | } | |
3b299123 | 1452 | |
5f8252d2 | 1453 | debugs(85,3, HERE << "ICAP REQMOD callout failed, responding with error"); |
3b299123 | 1454 | |
5f8252d2 | 1455 | clientStreamNode *node = (clientStreamNode *)client_stream.tail->prev->data; |
1456 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); | |
1457 | assert(repContext); | |
de31d06f | 1458 | |
26ac0430 | 1459 | // The original author of the code also wanted to pass an errno to |
5f8252d2 | 1460 | // setReplyToError, but it seems unlikely that the errno reflects the |
1461 | // true cause of the error at this point, so I did not pass it. | |
b70ba605 | 1462 | IPAddress noAddr; |
1463 | noAddr.SetNoAddr(); | |
1cf238db | 1464 | ConnStateData * c = getConn(); |
5f8252d2 | 1465 | repContext->setReplyToError(ERR_ICAP_FAILURE, HTTP_INTERNAL_SERVER_ERROR, |
26ac0430 AJ |
1466 | request->method, NULL, |
1467 | (c != NULL ? c->peer : noAddr), request, NULL, | |
1468 | (c != NULL && c->auth_user_request ? | |
1469 | c->auth_user_request : request->auth_user_request)); | |
de31d06f | 1470 | |
5f8252d2 | 1471 | node = (clientStreamNode *)client_stream.tail->data; |
1472 | clientStreamRead(node, this, node->readBuffer); | |
de31d06f | 1473 | } |
1474 | ||
1475 | #endif |