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dd11e0b7 | 1 | /* |
63be0a78 | 2 | * $Id: client_side.cc,v 1.779 2008/02/26 21:49:34 amosjeffries Exp $ |
dd11e0b7 | 3 | * |
4 | * DEBUG: section 33 Client-side Routines | |
5 | * AUTHOR: Duane Wessels | |
6 | * | |
2b6662ba | 7 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 8 | * ---------------------------------------------------------- |
dd11e0b7 | 9 | * |
2b6662ba | 10 | * Squid is the result of efforts by numerous individuals from |
11 | * the Internet community; see the CONTRIBUTORS file for full | |
12 | * details. Many organizations have provided support for Squid's | |
13 | * development; see the SPONSORS file for full details. Squid is | |
14 | * Copyrighted (C) 2001 by the Regents of the University of | |
15 | * California; see the COPYRIGHT file for full details. Squid | |
16 | * incorporates software developed and/or copyrighted by other | |
17 | * sources; see the CREDITS file for full details. | |
dd11e0b7 | 18 | * |
19 | * This program is free software; you can redistribute it and/or modify | |
20 | * it under the terms of the GNU General Public License as published by | |
21 | * the Free Software Foundation; either version 2 of the License, or | |
22 | * (at your option) any later version. | |
23 | * | |
24 | * This program is distributed in the hope that it will be useful, | |
25 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
27 | * GNU General Public License for more details. | |
28 | * | |
29 | * You should have received a copy of the GNU General Public License | |
30 | * along with this program; if not, write to the Free Software | |
cbdec147 | 31 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 32 | * |
dd11e0b7 | 33 | */ |
f88bb09c | 34 | |
63be0a78 | 35 | /** |
36 | \defgroup ClientSide Client-Side Logics | |
37 | * | |
38 | \subsection cserrors Errors and client side | |
edce4d98 | 39 | * |
63be0a78 | 40 | \par Problem the first: |
41 | * the store entry is no longer authoritative on the | |
edce4d98 | 42 | * reply status. EBITTEST (E_ABORT) is no longer a valid test outside |
43 | * of client_side_reply.c. | |
44 | * Problem the second: resources are wasted if we delay in cleaning up. | |
45 | * Problem the third we can't depend on a connection close to clean up. | |
46 | * | |
63be0a78 | 47 | \par Nice thing the first: |
48 | * Any step in the stream can callback with data | |
edce4d98 | 49 | * representing an error. |
50 | * Nice thing the second: once you stop requesting reads from upstream, | |
51 | * upstream can be stopped too. | |
52 | * | |
63be0a78 | 53 | \par Solution #1: |
54 | * Error has a callback mechanism to hand over a membuf | |
edce4d98 | 55 | * with the error content. The failing node pushes that back as the |
56 | * reply. Can this be generalised to reduce duplicate efforts? | |
57 | * A: Possibly. For now, only one location uses this. | |
58 | * How to deal with pre-stream errors? | |
59 | * Tell client_side_reply that we *want* an error page before any | |
60 | * stream calls occur. Then we simply read as normal. | |
63be0a78 | 61 | * |
62 | * | |
63 | \subsection pconn_logic Persistent connection logic: | |
64 | * | |
65 | \par | |
66 | * requests (httpClientRequest structs) get added to the connection | |
67 | * list, with the current one being chr | |
68 | * | |
69 | \par | |
70 | * The request is *immediately* kicked off, and data flows through | |
71 | * to clientSocketRecipient. | |
72 | * | |
73 | \par | |
74 | * If the data that arrives at clientSocketRecipient is not for the current | |
75 | * request, clientSocketRecipient simply returns, without requesting more | |
76 | * data, or sending it. | |
77 | * | |
78 | \par | |
79 | * ClientKeepAliveNextRequest will then detect the presence of data in | |
80 | * the next ClientHttpRequest, and will send it, restablishing the | |
81 | * data flow. | |
edce4d98 | 82 | */ |
83 | ||
cee08cbc | 84 | #include "config.h" |
f88bb09c | 85 | #include "squid.h" |
a46d2c0e | 86 | #include "client_side.h" |
c8be6d7b | 87 | #include "clientStream.h" |
ae7ff0b8 | 88 | #include "ProtoPort.h" |
c8be6d7b | 89 | #include "IPInterception.h" |
f5691f9c | 90 | #include "AuthUserRequest.h" |
e6ccf245 | 91 | #include "Store.h" |
c4b7a5a9 | 92 | #include "comm.h" |
25b6a907 | 93 | #include "HttpHdrContRange.h" |
528b2c61 | 94 | #include "HttpReply.h" |
95 | #include "HttpRequest.h" | |
96 | #include "MemObject.h" | |
97 | #include "fde.h" | |
98 | #include "client_side_request.h" | |
4fb35c3c | 99 | #include "ACLChecklist.h" |
ee0989f2 | 100 | #include "ConnectionDetail.h" |
0655fa4d | 101 | #include "client_side_reply.h" |
de31d06f | 102 | #include "ClientRequestContext.h" |
0eb49b6d | 103 | #include "MemBuf.h" |
985c86bc | 104 | #include "SquidTime.h" |
5cafc1d6 | 105 | |
5492ad1d | 106 | #if LINGERING_CLOSE |
107 | #define comm_close comm_lingering_close | |
108 | #endif | |
109 | ||
edce4d98 | 110 | /* our socket-related context */ |
62e76326 | 111 | |
62e76326 | 112 | |
0655fa4d | 113 | CBDATA_CLASS_INIT(ClientSocketContext); |
62e76326 | 114 | |
0655fa4d | 115 | void * |
116 | ClientSocketContext::operator new (size_t byteCount) | |
117 | { | |
118 | /* derived classes with different sizes must implement their own new */ | |
119 | assert (byteCount == sizeof (ClientSocketContext)); | |
120 | CBDATA_INIT_TYPE(ClientSocketContext); | |
121 | return cbdataAlloc(ClientSocketContext); | |
122 | } | |
62e76326 | 123 | |
0655fa4d | 124 | void |
125 | ClientSocketContext::operator delete (void *address) | |
126 | { | |
127 | cbdataFree (address); | |
128 | } | |
7a2f978b | 129 | |
edce4d98 | 130 | /* Local functions */ |
528b2c61 | 131 | /* ClientSocketContext */ |
59a1efb2 | 132 | static ClientSocketContext *ClientSocketContextNew(ClientHttpRequest *); |
edce4d98 | 133 | /* other */ |
2b663917 | 134 | static IOCB clientWriteComplete; |
135 | static IOCB clientWriteBodyComplete; | |
1cf238db | 136 | static bool clientParseRequest(ConnStateData * conn, bool &do_next_read); |
b5c39993 | 137 | static PF clientLifetimeTimeout; |
1cf238db | 138 | static ClientSocketContext *parseHttpRequestAbort(ConnStateData * conn, |
62e76326 | 139 | const char *uri); |
1cf238db | 140 | static ClientSocketContext *parseHttpRequest(ConnStateData *, HttpParser *, HttpRequestMethod *, HttpVersion *); |
3898f57f | 141 | #if USE_IDENT |
05832ae1 | 142 | static IDCB clientIdentDone; |
3898f57f | 143 | #endif |
edce4d98 | 144 | static CSCB clientSocketRecipient; |
145 | static CSD clientSocketDetach; | |
59a1efb2 | 146 | static void clientSetKeepaliveFlag(ClientHttpRequest *); |
190154cf | 147 | static int clientIsContentLengthValid(HttpRequest * r); |
a46d2c0e | 148 | static bool okToAccept(); |
47f6e231 | 149 | static int clientIsRequestBodyValid(int64_t bodyLength); |
150 | static int clientIsRequestBodyTooLargeForPolicy(int64_t bodyLength); | |
50c09fc4 | 151 | |
c8be6d7b | 152 | static void clientUpdateStatHistCounters(log_type logType, int svc_time); |
153 | static void clientUpdateStatCounters(log_type logType); | |
154 | static void clientUpdateHierCounters(HierarchyLogEntry *); | |
528b2c61 | 155 | static bool clientPingHasFinished(ping_data const *aPing); |
190154cf | 156 | static void clientPrepareLogWithRequestDetails(HttpRequest *, AccessLogEntry *); |
e4a67a80 | 157 | #ifndef PURIFY |
1cf238db | 158 | static int connIsUsable(ConnStateData * conn); |
e4a67a80 | 159 | #endif |
2324cda2 | 160 | static int responseFinishedOrFailed(HttpReply * rep, StoreIOBuffer const &receivedData); |
1cf238db | 161 | static void ClientSocketContextPushDeferredIfNeeded(ClientSocketContext::Pointer deferredRequest, ConnStateData * conn); |
c8be6d7b | 162 | static void clientUpdateSocketStats(log_type logType, size_t size); |
163 | ||
84cc2635 | 164 | char *skipLeadingSpace(char *aString); |
3b299123 | 165 | static void connNoteUseOfBuffer(ConnStateData* conn, size_t byteCount); |
1cf238db | 166 | static int connKeepReadingIncompleteRequest(ConnStateData * conn); |
167 | static void connCancelIncompleteRequests(ConnStateData * conn); | |
62e76326 | 168 | |
cc192b50 | 169 | static ConnStateData *connStateCreate(const IPAddress &peer, const IPAddress &me, int fd, http_port_list *port); |
528b2c61 | 170 | |
ae7ff0b8 | 171 | |
528b2c61 | 172 | int |
173 | ClientSocketContext::fd() const | |
174 | { | |
175 | assert (http); | |
94a396a3 | 176 | assert (http->getConn() != NULL); |
98242069 | 177 | return http->getConn()->fd; |
528b2c61 | 178 | } |
c8be6d7b | 179 | |
180 | clientStreamNode * | |
528b2c61 | 181 | ClientSocketContext::getTail() const |
c8be6d7b | 182 | { |
0655fa4d | 183 | if (http->client_stream.tail) |
184 | return (clientStreamNode *)http->client_stream.tail->data; | |
185 | ||
186 | return NULL; | |
c8be6d7b | 187 | } |
188 | ||
189 | clientStreamNode * | |
528b2c61 | 190 | ClientSocketContext::getClientReplyContext() const |
c8be6d7b | 191 | { |
528b2c61 | 192 | return (clientStreamNode *)http->client_stream.tail->prev->data; |
c8be6d7b | 193 | } |
194 | ||
63be0a78 | 195 | /** |
c4b7a5a9 | 196 | * This routine should be called to grow the inbuf and then |
197 | * call comm_read(). | |
198 | */ | |
199 | void | |
a46d2c0e | 200 | ConnStateData::readSomeData() |
c4b7a5a9 | 201 | { |
a46d2c0e | 202 | if (reading()) |
62e76326 | 203 | return; |
204 | ||
a46d2c0e | 205 | reading(true); |
c4b7a5a9 | 206 | |
bf8fe701 | 207 | debugs(33, 4, "clientReadSomeData: FD " << fd << ": reading request..."); |
62e76326 | 208 | |
a46d2c0e | 209 | makeSpaceAvailable(); |
62e76326 | 210 | |
1cf238db | 211 | typedef CommCbMemFunT<ConnStateData, CommIoCbParams> Dialer; |
212 | AsyncCall::Pointer call = asyncCall(33, 5, "ConnStateData::clientReadRequest", | |
213 | Dialer(this, &ConnStateData::clientReadRequest)); | |
214 | comm_read(fd, in.addressToReadInto(), getAvailableBufferLength(), call); | |
c4b7a5a9 | 215 | } |
62e76326 | 216 | |
c4b7a5a9 | 217 | |
c8be6d7b | 218 | void |
1cf238db | 219 | ClientSocketContext::removeFromConnectionList(ConnStateData * conn) |
c8be6d7b | 220 | { |
0655fa4d | 221 | ClientSocketContext::Pointer *tempContextPointer; |
1cf238db | 222 | assert(conn != NULL && cbdataReferenceValid(conn)); |
94a396a3 | 223 | assert(conn->getCurrentContext() != NULL); |
c8be6d7b | 224 | /* Unlink us from the connection request list */ |
0655fa4d | 225 | tempContextPointer = & conn->currentobject; |
62e76326 | 226 | |
0655fa4d | 227 | while (tempContextPointer->getRaw()) { |
62e76326 | 228 | if (*tempContextPointer == this) |
229 | break; | |
230 | ||
231 | tempContextPointer = &(*tempContextPointer)->next; | |
c8be6d7b | 232 | } |
62e76326 | 233 | |
0655fa4d | 234 | assert(tempContextPointer->getRaw() != NULL); |
528b2c61 | 235 | *tempContextPointer = next; |
236 | next = NULL; | |
c8be6d7b | 237 | } |
ea6f43cd | 238 | |
0655fa4d | 239 | ClientSocketContext::~ClientSocketContext() |
f88bb09c | 240 | { |
0655fa4d | 241 | clientStreamNode *node = getTail(); |
242 | ||
243 | if (node) { | |
244 | ClientSocketContext *streamContext = dynamic_cast<ClientSocketContext *> (node->data.getRaw()); | |
245 | ||
246 | if (streamContext) { | |
247 | /* We are *always* the tail - prevent recursive free */ | |
248 | assert(this == streamContext); | |
249 | node->data = NULL; | |
250 | } | |
251 | } | |
252 | ||
253 | if (connRegistered_) | |
254 | deRegisterWithConn(); | |
255 | ||
256 | httpRequestFree(http); | |
257 | ||
edce4d98 | 258 | /* clean up connection links to us */ |
c53577d9 | 259 | assert(this != next.getRaw()); |
0655fa4d | 260 | } |
62e76326 | 261 | |
0655fa4d | 262 | void |
263 | ClientSocketContext::registerWithConn() | |
264 | { | |
265 | assert (!connRegistered_); | |
266 | assert (http); | |
94a396a3 | 267 | assert (http->getConn() != NULL); |
0655fa4d | 268 | connRegistered_ = true; |
98242069 | 269 | http->getConn()->addContextToQueue(this); |
0655fa4d | 270 | } |
271 | ||
272 | void | |
273 | ClientSocketContext::deRegisterWithConn() | |
274 | { | |
275 | assert (connRegistered_); | |
98242069 | 276 | removeFromConnectionList(http->getConn()); |
0655fa4d | 277 | connRegistered_ = false; |
278 | } | |
279 | ||
280 | void | |
281 | ClientSocketContext::connIsFinished() | |
282 | { | |
283 | assert (http); | |
94a396a3 | 284 | assert (http->getConn() != NULL); |
0655fa4d | 285 | deRegisterWithConn(); |
286 | /* we can't handle any more stream data - detach */ | |
287 | clientStreamDetach(getTail(), http); | |
288 | } | |
289 | ||
fedd1531 | 290 | ClientSocketContext::ClientSocketContext() : http(NULL), reply(NULL), next(NULL), |
0655fa4d | 291 | writtenToSocket(0), |
292 | mayUseConnection_ (false), | |
293 | connRegistered_ (false) | |
294 | { | |
295 | memset (reqbuf, '\0', sizeof (reqbuf)); | |
296 | flags.deferred = 0; | |
297 | flags.parsed_ok = 0; | |
298 | deferredparams.node = NULL; | |
299 | deferredparams.rep = NULL; | |
f88bb09c | 300 | } |
301 | ||
528b2c61 | 302 | ClientSocketContext * |
59a1efb2 | 303 | ClientSocketContextNew(ClientHttpRequest * http) |
f88bb09c | 304 | { |
528b2c61 | 305 | ClientSocketContext *newContext; |
edce4d98 | 306 | assert(http != NULL); |
0655fa4d | 307 | newContext = new ClientSocketContext; |
c8be6d7b | 308 | newContext->http = http; |
309 | return newContext; | |
4d55827a | 310 | } |
311 | ||
edce4d98 | 312 | #if USE_IDENT |
4d55827a | 313 | static void |
edce4d98 | 314 | clientIdentDone(const char *ident, void *data) |
4d55827a | 315 | { |
cc59d02a | 316 | ConnStateData *conn = (ConnStateData *)data; |
edce4d98 | 317 | xstrncpy(conn->rfc931, ident ? ident : dash_str, USER_IDENT_SZ); |
e81957b7 | 318 | } |
319 | ||
447e176b | 320 | #endif |
7a2f978b | 321 | |
c8be6d7b | 322 | void |
323 | clientUpdateStatCounters(log_type logType) | |
a7c05555 | 324 | { |
83704487 | 325 | statCounter.client_http.requests++; |
62e76326 | 326 | |
c8be6d7b | 327 | if (logTypeIsATcpHit(logType)) |
62e76326 | 328 | statCounter.client_http.hits++; |
329 | ||
c8be6d7b | 330 | if (logType == LOG_TCP_HIT) |
62e76326 | 331 | statCounter.client_http.disk_hits++; |
c8be6d7b | 332 | else if (logType == LOG_TCP_MEM_HIT) |
62e76326 | 333 | statCounter.client_http.mem_hits++; |
c8be6d7b | 334 | } |
335 | ||
336 | void | |
337 | clientUpdateStatHistCounters(log_type logType, int svc_time) | |
338 | { | |
83704487 | 339 | statHistCount(&statCounter.client_http.all_svc_time, svc_time); |
63be0a78 | 340 | /** |
ee1679df | 341 | * The idea here is not to be complete, but to get service times |
342 | * for only well-defined types. For example, we don't include | |
1d7ab0f4 | 343 | * LOG_TCP_REFRESH_FAIL because its not really a cache hit |
ee1679df | 344 | * (we *tried* to validate it, but failed). |
345 | */ | |
62e76326 | 346 | |
c8be6d7b | 347 | switch (logType) { |
62e76326 | 348 | |
1d7ab0f4 | 349 | case LOG_TCP_REFRESH_UNMODIFIED: |
62e76326 | 350 | statHistCount(&statCounter.client_http.nh_svc_time, svc_time); |
351 | break; | |
352 | ||
ee1679df | 353 | case LOG_TCP_IMS_HIT: |
62e76326 | 354 | statHistCount(&statCounter.client_http.nm_svc_time, svc_time); |
355 | break; | |
356 | ||
ee1679df | 357 | case LOG_TCP_HIT: |
62e76326 | 358 | |
ee1679df | 359 | case LOG_TCP_MEM_HIT: |
62e76326 | 360 | |
b540e168 | 361 | case LOG_TCP_OFFLINE_HIT: |
62e76326 | 362 | statHistCount(&statCounter.client_http.hit_svc_time, svc_time); |
363 | break; | |
364 | ||
ee1679df | 365 | case LOG_TCP_MISS: |
62e76326 | 366 | |
ee1679df | 367 | case LOG_TCP_CLIENT_REFRESH_MISS: |
62e76326 | 368 | statHistCount(&statCounter.client_http.miss_svc_time, svc_time); |
369 | break; | |
370 | ||
ee1679df | 371 | default: |
62e76326 | 372 | /* make compiler warnings go away */ |
373 | break; | |
ee1679df | 374 | } |
c8be6d7b | 375 | } |
376 | ||
528b2c61 | 377 | bool |
c8be6d7b | 378 | clientPingHasFinished(ping_data const *aPing) |
379 | { | |
380 | if (0 != aPing->stop.tv_sec && 0 != aPing->start.tv_sec) | |
62e76326 | 381 | return true; |
382 | ||
528b2c61 | 383 | return false; |
c8be6d7b | 384 | } |
385 | ||
386 | void | |
387 | clientUpdateHierCounters(HierarchyLogEntry * someEntry) | |
388 | { | |
389 | ping_data *i; | |
62e76326 | 390 | |
c8547a11 | 391 | switch (someEntry->code) { |
392 | #if USE_CACHE_DIGESTS | |
62e76326 | 393 | |
c8547a11 | 394 | case CD_PARENT_HIT: |
62e76326 | 395 | |
a196e1e4 | 396 | case CD_SIBLING_HIT: |
62e76326 | 397 | statCounter.cd.times_used++; |
398 | break; | |
c8547a11 | 399 | #endif |
62e76326 | 400 | |
c8547a11 | 401 | case SIBLING_HIT: |
62e76326 | 402 | |
c8547a11 | 403 | case PARENT_HIT: |
62e76326 | 404 | |
c8547a11 | 405 | case FIRST_PARENT_MISS: |
62e76326 | 406 | |
c8547a11 | 407 | case CLOSEST_PARENT_MISS: |
62e76326 | 408 | statCounter.icp.times_used++; |
409 | i = &someEntry->ping; | |
410 | ||
411 | if (clientPingHasFinished(i)) | |
412 | statHistCount(&statCounter.icp.query_svc_time, | |
413 | tvSubUsec(i->start, i->stop)); | |
414 | ||
415 | if (i->timeout) | |
416 | statCounter.icp.query_timeouts++; | |
417 | ||
418 | break; | |
419 | ||
c8547a11 | 420 | case CLOSEST_PARENT: |
62e76326 | 421 | |
c8547a11 | 422 | case CLOSEST_DIRECT: |
62e76326 | 423 | statCounter.netdb.times_used++; |
424 | ||
425 | break; | |
426 | ||
69c95dd3 | 427 | default: |
62e76326 | 428 | break; |
17b6e784 | 429 | } |
a7c05555 | 430 | } |
431 | ||
528b2c61 | 432 | void |
433 | ClientHttpRequest::updateCounters() | |
c8be6d7b | 434 | { |
528b2c61 | 435 | clientUpdateStatCounters(logType); |
62e76326 | 436 | |
528b2c61 | 437 | if (request->errType != ERR_NONE) |
62e76326 | 438 | statCounter.client_http.errors++; |
439 | ||
528b2c61 | 440 | clientUpdateStatHistCounters(logType, |
1cf238db | 441 | tvSubMsec(start_time, current_time)); |
62e76326 | 442 | |
528b2c61 | 443 | clientUpdateHierCounters(&request->hier); |
c8be6d7b | 444 | } |
445 | ||
edce4d98 | 446 | void |
190154cf | 447 | clientPrepareLogWithRequestDetails(HttpRequest * request, AccessLogEntry * aLogEntry) |
7a2f978b | 448 | { |
c8be6d7b | 449 | assert(request); |
450 | assert(aLogEntry); | |
7684c4b1 | 451 | |
452 | if (Config.onoff.log_mime_hdrs) { | |
453 | Packer p; | |
454 | MemBuf mb; | |
2fe7eff9 | 455 | mb.init(); |
7684c4b1 | 456 | packerToMemInit(&p, &mb); |
a9925b40 | 457 | request->header.packInto(&p); |
7684c4b1 | 458 | aLogEntry->headers.request = xstrdup(mb.buf); |
459 | packerClean(&p); | |
2fe7eff9 | 460 | mb.clean(); |
7684c4b1 | 461 | } |
462 | ||
c8be6d7b | 463 | aLogEntry->http.method = request->method; |
464 | aLogEntry->http.version = request->http_ver; | |
c8be6d7b | 465 | aLogEntry->hier = request->hier; |
1a86db31 | 466 | aLogEntry->cache.requestSize += request->content_length; |
30abd221 | 467 | aLogEntry->cache.extuser = request->extacl_user.buf(); |
abb929f0 | 468 | |
c8be6d7b | 469 | if (request->auth_user_request) { |
f5691f9c | 470 | |
471 | if (request->auth_user_request->username()) | |
f5292c64 | 472 | aLogEntry->cache.authuser = |
f5691f9c | 473 | xstrdup(request->auth_user_request->username()); |
f5292c64 | 474 | |
4f0ef8e8 | 475 | AUTHUSERREQUESTUNLOCK(request->auth_user_request, "request via clientPrepareLogWithRequestDetails"); |
7a2f978b | 476 | } |
c8be6d7b | 477 | } |
478 | ||
479 | void | |
528b2c61 | 480 | ClientHttpRequest::logRequest() |
481 | { | |
482 | if (out.size || logType) { | |
62e76326 | 483 | al.icp.opcode = ICP_INVALID; |
484 | al.url = log_uri; | |
bf8fe701 | 485 | debugs(33, 9, "clientLogRequest: al.url='" << al.url << "'"); |
62e76326 | 486 | |
90a8964c | 487 | if (al.reply) { |
488 | al.http.code = al.reply->sline.status; | |
30abd221 | 489 | al.http.content_type = al.reply->content_type.buf(); |
90a8964c | 490 | } else if (loggingEntry() && loggingEntry()->mem_obj) { |
0976f8db | 491 | al.http.code = loggingEntry()->mem_obj->getReply()->sline.status; |
30abd221 | 492 | al.http.content_type = loggingEntry()->mem_obj->getReply()->content_type.buf(); |
62e76326 | 493 | } |
494 | ||
bf8fe701 | 495 | debugs(33, 9, "clientLogRequest: http.code='" << al.http.code << "'"); |
5f8252d2 | 496 | |
90a8964c | 497 | if (loggingEntry() && loggingEntry()->mem_obj) |
b37bde1e | 498 | al.cache.objectSize = loggingEntry()->contentLen(); |
90a8964c | 499 | |
cc192b50 | 500 | al.cache.caddr.SetNoAddr(); |
501 | ||
502 | if(getConn() != NULL) al.cache.caddr = getConn()->log_addr; | |
90a8964c | 503 | |
1a86db31 AJ |
504 | al.cache.requestSize = req_sz; |
505 | ||
506 | al.cache.replySize = out.size; | |
90a8964c | 507 | |
0976f8db | 508 | al.cache.highOffset = out.offset; |
90a8964c | 509 | |
62e76326 | 510 | al.cache.code = logType; |
90a8964c | 511 | |
1cf238db | 512 | al.cache.msec = tvSubMsec(start_time, current_time); |
62e76326 | 513 | |
514 | if (request) | |
515 | clientPrepareLogWithRequestDetails(request, &al); | |
516 | ||
94a396a3 | 517 | if (getConn() != NULL && getConn()->rfc931[0]) |
98242069 | 518 | al.cache.rfc931 = getConn()->rfc931; |
62e76326 | 519 | |
2ea1afad | 520 | #if USE_SSL && 0 |
62e76326 | 521 | |
2ea1afad | 522 | /* This is broken. Fails if the connection has been closed. Needs |
523 | * to snarf the ssl details some place earlier.. | |
524 | */ | |
94a396a3 | 525 | if (getConn() != NULL) |
98242069 | 526 | al.cache.ssluser = sslGetUserEmail(fd_table[getConn()->fd].ssl); |
62e76326 | 527 | |
a7ad6e4e | 528 | #endif |
62e76326 | 529 | |
7684c4b1 | 530 | ACLChecklist *checklist = clientAclChecklistCreate(Config.accessList.log, this); |
62e76326 | 531 | |
fe74b6a6 | 532 | if (al.reply) |
533 | checklist->reply = HTTPMSGLOCK(al.reply); | |
62e76326 | 534 | |
b448c119 | 535 | if (!Config.accessList.log || checklist->fastCheck()) { |
6dd9f4bd | 536 | al.request = HTTPMSGLOCK(request); |
7684c4b1 | 537 | accessLogLog(&al, checklist); |
538 | updateCounters(); | |
62e76326 | 539 | |
94a396a3 | 540 | if (getConn() != NULL) |
cc192b50 | 541 | clientdbUpdate(getConn()->peer, logType, PROTO_HTTP, out.size); |
7684c4b1 | 542 | } |
543 | ||
544 | delete checklist; | |
545 | ||
546 | accessLogFreeMemory(&al); | |
7a2f978b | 547 | } |
c8be6d7b | 548 | } |
549 | ||
550 | void | |
528b2c61 | 551 | ClientHttpRequest::freeResources() |
c8be6d7b | 552 | { |
528b2c61 | 553 | safe_free(uri); |
554 | safe_free(log_uri); | |
555 | safe_free(redirect.location); | |
30abd221 | 556 | range_iter.boundary.clean(); |
6dd9f4bd | 557 | HTTPMSGUNLOCK(request); |
62e76326 | 558 | |
528b2c61 | 559 | if (client_stream.tail) |
62e76326 | 560 | clientStreamAbort((clientStreamNode *)client_stream.tail->data, this); |
c8be6d7b | 561 | } |
562 | ||
563 | void | |
564 | httpRequestFree(void *data) | |
565 | { | |
59a1efb2 | 566 | ClientHttpRequest *http = (ClientHttpRequest *)data; |
c8be6d7b | 567 | assert(http != NULL); |
528b2c61 | 568 | delete http; |
7a2f978b | 569 | } |
570 | ||
a46d2c0e | 571 | bool |
572 | ConnStateData::areAllContextsForThisConnection() const | |
c8be6d7b | 573 | { |
a46d2c0e | 574 | assert(this != NULL); |
0655fa4d | 575 | ClientSocketContext::Pointer context = getCurrentContext(); |
62e76326 | 576 | |
0655fa4d | 577 | while (context.getRaw()) { |
98242069 | 578 | if (context->http->getConn() != this) |
a46d2c0e | 579 | return false; |
62e76326 | 580 | |
581 | context = context->next; | |
c8be6d7b | 582 | } |
62e76326 | 583 | |
a46d2c0e | 584 | return true; |
c8be6d7b | 585 | } |
586 | ||
587 | void | |
a46d2c0e | 588 | ConnStateData::freeAllContexts() |
c8be6d7b | 589 | { |
0655fa4d | 590 | ClientSocketContext::Pointer context; |
62e76326 | 591 | |
c53577d9 | 592 | while ((context = getCurrentContext()).getRaw() != NULL) { |
0655fa4d | 593 | assert(getCurrentContext() != |
594 | getCurrentContext()->next); | |
595 | context->connIsFinished(); | |
596 | assert (context != currentobject); | |
c8be6d7b | 597 | } |
598 | } | |
599 | ||
7a2f978b | 600 | /* This is a handler normally called by comm_close() */ |
1cf238db | 601 | void ConnStateData::connStateClosed(const CommCloseCbParams &io) |
7a2f978b | 602 | { |
1cf238db | 603 | assert (fd == io.fd); |
604 | close(); | |
a46d2c0e | 605 | } |
62e76326 | 606 | |
a2ac85d9 | 607 | void |
608 | ConnStateData::close() | |
a46d2c0e | 609 | { |
bf8fe701 | 610 | debugs(33, 3, "ConnStateData::close: FD " << fd); |
1cf238db | 611 | deleteThis("ConnStateData::close"); |
2e216b1d | 612 | fd = -1; |
613 | flags.readMoreRequests = false; | |
cc192b50 | 614 | clientdbEstablished(peer, -1); /* decrement */ |
a46d2c0e | 615 | assert(areAllContextsForThisConnection()); |
616 | freeAllContexts(); | |
f5691f9c | 617 | |
6bf4f823 | 618 | if (auth_user_request != NULL) { |
bf8fe701 | 619 | debugs(33, 4, "ConnStateData::close: freeing auth_user_request '" << auth_user_request << "' (this is '" << this << "')"); |
f5691f9c | 620 | auth_user_request->onConnectionClose(this); |
6bf4f823 | 621 | } |
a2ac85d9 | 622 | } |
623 | ||
624 | bool | |
625 | ConnStateData::isOpen() const | |
626 | { | |
1cf238db | 627 | return cbdataReferenceValid(this); |
a2ac85d9 | 628 | } |
629 | ||
630 | ConnStateData::~ConnStateData() | |
631 | { | |
632 | assert(this != NULL); | |
bf8fe701 | 633 | debugs(33, 3, "ConnStateData::~ConnStateData: FD " << fd); |
a2ac85d9 | 634 | |
635 | if (isOpen()) | |
636 | close(); | |
62e76326 | 637 | |
4f0ef8e8 | 638 | AUTHUSERREQUESTUNLOCK(auth_user_request, "~conn"); |
62e76326 | 639 | |
e0db3481 | 640 | cbdataReferenceDone(port); |
83fdd41a | 641 | |
5f8252d2 | 642 | if (bodyPipe != NULL) { |
643 | bodyPipe->clearProducer(false); | |
644 | bodyPipe = NULL; // refcounted | |
645 | } | |
7a2f978b | 646 | } |
647 | ||
63be0a78 | 648 | /** |
c68e9c6b | 649 | * clientSetKeepaliveFlag() sets request->flags.proxy_keepalive. |
650 | * This is the client-side persistent connection flag. We need | |
651 | * to set this relatively early in the request processing | |
652 | * to handle hacks for broken servers and clients. | |
653 | */ | |
654 | static void | |
59a1efb2 | 655 | clientSetKeepaliveFlag(ClientHttpRequest * http) |
c68e9c6b | 656 | { |
190154cf | 657 | HttpRequest *request = http->request; |
c68e9c6b | 658 | const HttpHeader *req_hdr = &request->header; |
f6329bc3 | 659 | |
bf8fe701 | 660 | debugs(33, 3, "clientSetKeepaliveFlag: http_ver = " << |
661 | request->http_ver.major << "." << request->http_ver.minor); | |
662 | debugs(33, 3, "clientSetKeepaliveFlag: method = " << | |
60745f24 | 663 | RequestMethodStr(request->method)); |
62e76326 | 664 | |
f5e45ad8 | 665 | HttpVersion http_ver(1,0); |
666 | /* we are HTTP/1.0, no matter what the client requests... */ | |
62e76326 | 667 | |
f5e45ad8 | 668 | if (httpMsgIsPersistent(http_ver, req_hdr)) |
669 | request->flags.proxy_keepalive = 1; | |
c68e9c6b | 670 | } |
671 | ||
31be8b80 | 672 | static int |
190154cf | 673 | clientIsContentLengthValid(HttpRequest * r) |
31be8b80 | 674 | { |
914b89a2 | 675 | switch (r->method.id()) { |
62e76326 | 676 | |
ffc128c4 | 677 | case METHOD_PUT: |
62e76326 | 678 | |
ffc128c4 | 679 | case METHOD_POST: |
62e76326 | 680 | /* PUT/POST requires a request entity */ |
681 | return (r->content_length >= 0); | |
682 | ||
ffc128c4 | 683 | case METHOD_GET: |
62e76326 | 684 | |
ffc128c4 | 685 | case METHOD_HEAD: |
62e76326 | 686 | /* We do not want to see a request entity on GET/HEAD requests */ |
687 | return (r->content_length <= 0 || Config.onoff.request_entities); | |
688 | ||
ffc128c4 | 689 | default: |
62e76326 | 690 | /* For other types of requests we don't care */ |
691 | return 1; | |
ffc128c4 | 692 | } |
62e76326 | 693 | |
ffc128c4 | 694 | /* NOT REACHED */ |
31be8b80 | 695 | } |
696 | ||
cf50a0af | 697 | int |
47f6e231 | 698 | clientIsRequestBodyValid(int64_t bodyLength) |
7a2f978b | 699 | { |
c8be6d7b | 700 | if (bodyLength >= 0) |
62e76326 | 701 | return 1; |
702 | ||
7a2f978b | 703 | return 0; |
704 | } | |
705 | ||
c8be6d7b | 706 | int |
47f6e231 | 707 | clientIsRequestBodyTooLargeForPolicy(int64_t bodyLength) |
efd900cb | 708 | { |
c8be6d7b | 709 | if (Config.maxRequestBodySize && |
62e76326 | 710 | bodyLength > Config.maxRequestBodySize) |
711 | return 1; /* too large */ | |
712 | ||
efd900cb | 713 | return 0; |
714 | } | |
715 | ||
e4a67a80 | 716 | #ifndef PURIFY |
c8be6d7b | 717 | int |
1cf238db | 718 | connIsUsable(ConnStateData * conn) |
c8be6d7b | 719 | { |
1cf238db | 720 | if (conn == NULL || !cbdataReferenceValid(conn) || conn->fd == -1) |
62e76326 | 721 | return 0; |
722 | ||
c8be6d7b | 723 | return 1; |
724 | } | |
725 | ||
e4a67a80 | 726 | #endif |
727 | ||
0655fa4d | 728 | ClientSocketContext::Pointer |
729 | ConnStateData::getCurrentContext() const | |
c8be6d7b | 730 | { |
0655fa4d | 731 | assert(this); |
732 | return currentobject; | |
c8be6d7b | 733 | } |
734 | ||
735 | void | |
2324cda2 | 736 | ClientSocketContext::deferRecipientForLater(clientStreamNode * node, HttpReply * rep, StoreIOBuffer receivedData) |
528b2c61 | 737 | { |
bf8fe701 | 738 | debugs(33, 2, "clientSocketRecipient: Deferring request " << http->uri); |
528b2c61 | 739 | assert(flags.deferred == 0); |
740 | flags.deferred = 1; | |
741 | deferredparams.node = node; | |
742 | deferredparams.rep = rep; | |
2324cda2 | 743 | deferredparams.queuedBuffer = receivedData; |
c8be6d7b | 744 | return; |
745 | } | |
746 | ||
747 | int | |
2324cda2 | 748 | responseFinishedOrFailed(HttpReply * rep, StoreIOBuffer const & receivedData) |
c8be6d7b | 749 | { |
2324cda2 | 750 | if (rep == NULL && receivedData.data == NULL && receivedData.length == 0) |
62e76326 | 751 | return 1; |
752 | ||
c8be6d7b | 753 | return 0; |
754 | } | |
755 | ||
0655fa4d | 756 | bool |
757 | ClientSocketContext::startOfOutput() const | |
c8be6d7b | 758 | { |
0655fa4d | 759 | return http->out.size == 0; |
c8be6d7b | 760 | } |
761 | ||
528b2c61 | 762 | size_t |
47f6e231 | 763 | ClientSocketContext::lengthToSend(Range<int64_t> const &available) |
528b2c61 | 764 | { |
47f6e231 | 765 | /*the size of available range can always fit in a size_t type*/ |
766 | size_t maximum = (size_t)available.size(); | |
2512d159 | 767 | |
528b2c61 | 768 | if (!http->request->range) |
62e76326 | 769 | return maximum; |
770 | ||
528b2c61 | 771 | assert (canPackMoreRanges()); |
62e76326 | 772 | |
528b2c61 | 773 | if (http->range_iter.debt() == -1) |
62e76326 | 774 | return maximum; |
775 | ||
528b2c61 | 776 | assert (http->range_iter.debt() > 0); |
62e76326 | 777 | |
2512d159 | 778 | /* TODO this + the last line could be a range intersection calculation */ |
47f6e231 | 779 | if (available.start < http->range_iter.currentSpec()->offset) |
2512d159 | 780 | return 0; |
781 | ||
47f6e231 | 782 | return XMIN(http->range_iter.debt(), (int64_t)maximum); |
528b2c61 | 783 | } |
784 | ||
c8be6d7b | 785 | void |
528b2c61 | 786 | ClientSocketContext::noteSentBodyBytes(size_t bytes) |
787 | { | |
788 | http->out.offset += bytes; | |
62e76326 | 789 | |
528b2c61 | 790 | if (!http->request->range) |
62e76326 | 791 | return; |
792 | ||
528b2c61 | 793 | if (http->range_iter.debt() != -1) { |
62e76326 | 794 | http->range_iter.debt(http->range_iter.debt() - bytes); |
795 | assert (http->range_iter.debt() >= 0); | |
528b2c61 | 796 | } |
62e76326 | 797 | |
dd272b8e | 798 | /* debt() always stops at -1, below that is a bug */ |
799 | assert (http->range_iter.debt() >= -1); | |
528b2c61 | 800 | } |
62e76326 | 801 | |
528b2c61 | 802 | bool |
803 | ClientHttpRequest::multipartRangeRequest() const | |
804 | { | |
805 | return request->multipartRangeRequest(); | |
806 | } | |
807 | ||
808 | bool | |
809 | ClientSocketContext::multipartRangeRequest() const | |
810 | { | |
811 | return http->multipartRangeRequest(); | |
812 | } | |
813 | ||
814 | void | |
815 | ClientSocketContext::sendBody(HttpReply * rep, StoreIOBuffer bodyData) | |
c8be6d7b | 816 | { |
817 | assert(rep == NULL); | |
528b2c61 | 818 | |
819 | if (!multipartRangeRequest()) { | |
2512d159 | 820 | size_t length = lengthToSend(bodyData.range()); |
62e76326 | 821 | noteSentBodyBytes (length); |
1cf238db | 822 | AsyncCall::Pointer call = commCbCall(33, 5, "clientWriteBodyComplete", |
823 | CommIoCbPtrFun(clientWriteBodyComplete, this)); | |
824 | comm_write(fd(), bodyData.data, length, call ); | |
62e76326 | 825 | return; |
528b2c61 | 826 | } |
827 | ||
828 | MemBuf mb; | |
2fe7eff9 | 829 | mb.init(); |
2512d159 | 830 | packRange(bodyData, &mb); |
831 | ||
1cf238db | 832 | if (mb.contentSize()){ |
2512d159 | 833 | /* write */ |
1cf238db | 834 | AsyncCall::Pointer call = commCbCall(33, 5, "clientWriteComplete", |
835 | CommIoCbPtrFun(clientWriteComplete, this)); | |
836 | comm_write_mbuf(fd(), &mb, call); | |
837 | } else | |
2512d159 | 838 | writeComplete(fd(), NULL, 0, COMM_OK); |
c8be6d7b | 839 | } |
840 | ||
63be0a78 | 841 | /** put terminating boundary for multiparts */ |
528b2c61 | 842 | static void |
30abd221 | 843 | clientPackTermBound(String boundary, MemBuf * mb) |
528b2c61 | 844 | { |
30abd221 | 845 | mb->Printf("\r\n--%s--\r\n", boundary.buf()); |
4a7a3d56 | 846 | debugs(33, 6, "clientPackTermBound: buf offset: " << mb->size); |
528b2c61 | 847 | } |
848 | ||
63be0a78 | 849 | /** appends a "part" HTTP header (as in a multi-part/range reply) to the buffer */ |
528b2c61 | 850 | static void |
30abd221 | 851 | clientPackRangeHdr(const HttpReply * rep, const HttpHdrRangeSpec * spec, String boundary, MemBuf * mb) |
528b2c61 | 852 | { |
75faaa7a | 853 | HttpHeader hdr(hoReply); |
528b2c61 | 854 | Packer p; |
855 | assert(rep); | |
856 | assert(spec); | |
857 | ||
858 | /* put boundary */ | |
30abd221 | 859 | debugs(33, 5, "clientPackRangeHdr: appending boundary: " << |
860 | boundary.buf()); | |
528b2c61 | 861 | /* rfc2046 requires to _prepend_ boundary with <crlf>! */ |
30abd221 | 862 | mb->Printf("\r\n--%s\r\n", boundary.buf()); |
528b2c61 | 863 | |
864 | /* stuff the header with required entries and pack it */ | |
62e76326 | 865 | |
a9925b40 | 866 | if (rep->header.has(HDR_CONTENT_TYPE)) |
867 | hdr.putStr(HDR_CONTENT_TYPE, rep->header.getStr(HDR_CONTENT_TYPE)); | |
62e76326 | 868 | |
528b2c61 | 869 | httpHeaderAddContRange(&hdr, *spec, rep->content_length); |
62e76326 | 870 | |
528b2c61 | 871 | packerToMemInit(&p, mb); |
62e76326 | 872 | |
a9925b40 | 873 | hdr.packInto(&p); |
62e76326 | 874 | |
528b2c61 | 875 | packerClean(&p); |
62e76326 | 876 | |
519e0948 | 877 | hdr.clean(); |
528b2c61 | 878 | |
879 | /* append <crlf> (we packed a header, not a reply) */ | |
2fe7eff9 | 880 | mb->Printf("\r\n"); |
528b2c61 | 881 | } |
882 | ||
63be0a78 | 883 | /** |
528b2c61 | 884 | * extracts a "range" from *buf and appends them to mb, updating |
885 | * all offsets and such. | |
886 | */ | |
c8be6d7b | 887 | void |
2512d159 | 888 | ClientSocketContext::packRange(StoreIOBuffer const &source, MemBuf * mb) |
528b2c61 | 889 | { |
890 | HttpHdrRangeIter * i = &http->range_iter; | |
47f6e231 | 891 | Range<int64_t> available (source.range()); |
b65351fa | 892 | char const *buf = source.data; |
62e76326 | 893 | |
2512d159 | 894 | while (i->currentSpec() && available.size()) { |
62e76326 | 895 | const size_t copy_sz = lengthToSend(available); |
62e76326 | 896 | |
2512d159 | 897 | if (copy_sz) { |
898 | /* | |
899 | * intersection of "have" and "need" ranges must not be empty | |
900 | */ | |
901 | assert(http->out.offset < i->currentSpec()->offset + i->currentSpec()->length); | |
ed013b6c | 902 | assert(http->out.offset + available.size() > i->currentSpec()->offset); |
2512d159 | 903 | |
904 | /* | |
905 | * put boundary and headers at the beginning of a range in a | |
906 | * multi-range | |
907 | */ | |
908 | ||
909 | if (http->multipartRangeRequest() && i->debt() == i->currentSpec()->length) { | |
910 | assert(http->memObject()); | |
911 | clientPackRangeHdr( | |
912 | http->memObject()->getReply(), /* original reply */ | |
913 | i->currentSpec(), /* current range */ | |
914 | i->boundary, /* boundary, the same for all */ | |
915 | mb); | |
916 | } | |
62e76326 | 917 | |
2512d159 | 918 | /* |
919 | * append content | |
920 | */ | |
4a7a3d56 | 921 | debugs(33, 3, "clientPackRange: appending " << copy_sz << " bytes"); |
62e76326 | 922 | |
2512d159 | 923 | noteSentBodyBytes (copy_sz); |
62e76326 | 924 | |
2fe7eff9 | 925 | mb->append(buf, copy_sz); |
62e76326 | 926 | |
2512d159 | 927 | /* |
928 | * update offsets | |
929 | */ | |
930 | available.start += copy_sz; | |
62e76326 | 931 | |
2512d159 | 932 | buf += copy_sz; |
62e76326 | 933 | |
2512d159 | 934 | } |
62e76326 | 935 | |
936 | /* | |
937 | * paranoid check | |
938 | */ | |
871899ca | 939 | assert((available.size() >= 0 && i->debt() >= 0) || i->debt() == -1); |
62e76326 | 940 | |
c7329b75 | 941 | if (!canPackMoreRanges()) { |
bf8fe701 | 942 | debugs(33, 3, "clientPackRange: Returning because !canPackMoreRanges."); |
c7329b75 | 943 | |
944 | if (i->debt() == 0) | |
945 | /* put terminating boundary for multiparts */ | |
946 | clientPackTermBound(i->boundary, mb); | |
62e76326 | 947 | |
62e76326 | 948 | return; |
c7329b75 | 949 | } |
62e76326 | 950 | |
47f6e231 | 951 | int64_t next = getNextRangeOffset(); |
62e76326 | 952 | |
953 | assert (next >= http->out.offset); | |
954 | ||
ed013b6c | 955 | int64_t skip = next - http->out.offset; |
62e76326 | 956 | |
2512d159 | 957 | /* adjust for not to be transmitted bytes */ |
958 | http->out.offset = next; | |
959 | ||
960 | if (available.size() <= skip) | |
62e76326 | 961 | return; |
962 | ||
2512d159 | 963 | available.start += skip; |
62e76326 | 964 | |
2512d159 | 965 | buf += skip; |
966 | ||
967 | if (copy_sz == 0) | |
968 | return; | |
528b2c61 | 969 | } |
970 | } | |
971 | ||
63be0a78 | 972 | /** returns expected content length for multi-range replies |
528b2c61 | 973 | * note: assumes that httpHdrRangeCanonize has already been called |
974 | * warning: assumes that HTTP headers for individual ranges at the | |
975 | * time of the actuall assembly will be exactly the same as | |
976 | * the headers when clientMRangeCLen() is called */ | |
977 | int | |
978 | ClientHttpRequest::mRangeCLen() | |
c8be6d7b | 979 | { |
47f6e231 | 980 | int64_t clen = 0; |
c8be6d7b | 981 | MemBuf mb; |
528b2c61 | 982 | |
86a2f789 | 983 | assert(memObject()); |
528b2c61 | 984 | |
2fe7eff9 | 985 | mb.init(); |
528b2c61 | 986 | HttpHdrRange::iterator pos = request->range->begin(); |
62e76326 | 987 | |
528b2c61 | 988 | while (pos != request->range->end()) { |
62e76326 | 989 | /* account for headers for this range */ |
2fe7eff9 | 990 | mb.reset(); |
86a2f789 | 991 | clientPackRangeHdr(memObject()->getReply(), |
62e76326 | 992 | *pos, range_iter.boundary, &mb); |
993 | clen += mb.size; | |
528b2c61 | 994 | |
62e76326 | 995 | /* account for range content */ |
996 | clen += (*pos)->length; | |
528b2c61 | 997 | |
4a7a3d56 | 998 | debugs(33, 6, "clientMRangeCLen: (clen += " << mb.size << " + " << (*pos)->length << ") == " << clen); |
62e76326 | 999 | ++pos; |
528b2c61 | 1000 | } |
62e76326 | 1001 | |
528b2c61 | 1002 | /* account for the terminating boundary */ |
2fe7eff9 | 1003 | mb.reset(); |
62e76326 | 1004 | |
528b2c61 | 1005 | clientPackTermBound(range_iter.boundary, &mb); |
62e76326 | 1006 | |
528b2c61 | 1007 | clen += mb.size; |
1008 | ||
2fe7eff9 | 1009 | mb.clean(); |
62e76326 | 1010 | |
528b2c61 | 1011 | return clen; |
1012 | } | |
1013 | ||
63be0a78 | 1014 | /** |
528b2c61 | 1015 | * returns true if If-Range specs match reply, false otherwise |
1016 | */ | |
1017 | static int | |
59a1efb2 | 1018 | clientIfRangeMatch(ClientHttpRequest * http, HttpReply * rep) |
528b2c61 | 1019 | { |
a9925b40 | 1020 | const TimeOrTag spec = http->request->header.getTimeOrTag(HDR_IF_RANGE); |
528b2c61 | 1021 | /* check for parsing falure */ |
62e76326 | 1022 | |
528b2c61 | 1023 | if (!spec.valid) |
62e76326 | 1024 | return 0; |
1025 | ||
528b2c61 | 1026 | /* got an ETag? */ |
1027 | if (spec.tag.str) { | |
a9925b40 | 1028 | ETag rep_tag = rep->header.getETag(HDR_ETAG); |
bf8fe701 | 1029 | debugs(33, 3, "clientIfRangeMatch: ETags: " << spec.tag.str << " and " << |
1030 | (rep_tag.str ? rep_tag.str : "<none>")); | |
62e76326 | 1031 | |
1032 | if (!rep_tag.str) | |
1033 | return 0; /* entity has no etag to compare with! */ | |
1034 | ||
1035 | if (spec.tag.weak || rep_tag.weak) { | |
bf8fe701 | 1036 | debugs(33, 1, "clientIfRangeMatch: Weak ETags are not allowed in If-Range: " << spec.tag.str << " ? " << rep_tag.str); |
62e76326 | 1037 | return 0; /* must use strong validator for sub-range requests */ |
1038 | } | |
1039 | ||
1040 | return etagIsEqual(&rep_tag, &spec.tag); | |
528b2c61 | 1041 | } |
62e76326 | 1042 | |
528b2c61 | 1043 | /* got modification time? */ |
1044 | if (spec.time >= 0) { | |
86a2f789 | 1045 | return http->storeEntry()->lastmod <= spec.time; |
528b2c61 | 1046 | } |
62e76326 | 1047 | |
528b2c61 | 1048 | assert(0); /* should not happen */ |
1049 | return 0; | |
1050 | } | |
1051 | ||
63be0a78 | 1052 | /** |
1053 | * generates a "unique" boundary string for multipart responses | |
528b2c61 | 1054 | * the caller is responsible for cleaning the string */ |
30abd221 | 1055 | String |
528b2c61 | 1056 | ClientHttpRequest::rangeBoundaryStr() const |
1057 | { | |
1058 | assert(this); | |
1059 | const char *key; | |
30abd221 | 1060 | String b (full_appname_string); |
528b2c61 | 1061 | b.append (":",1); |
86a2f789 | 1062 | key = storeEntry()->getMD5Text(); |
528b2c61 | 1063 | b.append(key, strlen(key)); |
1064 | return b; | |
1065 | } | |
1066 | ||
63be0a78 | 1067 | /** adds appropriate Range headers if needed */ |
528b2c61 | 1068 | void |
1069 | ClientSocketContext::buildRangeHeader(HttpReply * rep) | |
1070 | { | |
1071 | HttpHeader *hdr = rep ? &rep->header : 0; | |
1072 | const char *range_err = NULL; | |
190154cf | 1073 | HttpRequest *request = http->request; |
528b2c61 | 1074 | assert(request->range); |
1075 | /* check if we still want to do ranges */ | |
62e76326 | 1076 | |
528b2c61 | 1077 | if (!rep) |
62e76326 | 1078 | range_err = "no [parse-able] reply"; |
528b2c61 | 1079 | else if ((rep->sline.status != HTTP_OK) && (rep->sline.status != HTTP_PARTIAL_CONTENT)) |
62e76326 | 1080 | range_err = "wrong status code"; |
a9925b40 | 1081 | else if (hdr->has(HDR_CONTENT_RANGE)) |
62e76326 | 1082 | range_err = "origin server does ranges"; |
528b2c61 | 1083 | else if (rep->content_length < 0) |
62e76326 | 1084 | range_err = "unknown length"; |
86a2f789 | 1085 | else if (rep->content_length != http->memObject()->getReply()->content_length) |
62e76326 | 1086 | range_err = "INCONSISTENT length"; /* a bug? */ |
96cbbe03 | 1087 | |
1088 | /* hits only - upstream peer determines correct behaviour on misses, and client_side_reply determines | |
1089 | * hits candidates | |
1090 | */ | |
a9925b40 | 1091 | else if (logTypeIsATcpHit(http->logType) && http->request->header.has(HDR_IF_RANGE) && !clientIfRangeMatch(http, rep)) |
62e76326 | 1092 | range_err = "If-Range match failed"; |
528b2c61 | 1093 | else if (!http->request->range->canonize(rep)) |
62e76326 | 1094 | range_err = "canonization failed"; |
528b2c61 | 1095 | else if (http->request->range->isComplex()) |
62e76326 | 1096 | range_err = "too complex range header"; |
86f6a21f | 1097 | else if (!logTypeIsATcpHit(http->logType) && http->request->range->offsetLimitExceeded()) |
62e76326 | 1098 | range_err = "range outside range_offset_limit"; |
1099 | ||
528b2c61 | 1100 | /* get rid of our range specs on error */ |
1101 | if (range_err) { | |
b631f31c | 1102 | /* XXX We do this here because we need canonisation etc. However, this current |
1103 | * code will lead to incorrect store offset requests - the store will have the | |
1104 | * offset data, but we won't be requesting it. | |
1105 | * So, we can either re-request, or generate an error | |
1106 | */ | |
bf8fe701 | 1107 | debugs(33, 3, "clientBuildRangeHeader: will not do ranges: " << range_err << "."); |
00d77d6b | 1108 | delete http->request->range; |
62e76326 | 1109 | http->request->range = NULL; |
c8be6d7b | 1110 | } else { |
3cff087f | 1111 | /* XXX: TODO: Review, this unconditional set may be wrong. - TODO: review. */ |
1112 | httpStatusLineSet(&rep->sline, rep->sline.version, | |
1113 | HTTP_PARTIAL_CONTENT, NULL); | |
fedd1531 | 1114 | // web server responded with a valid, but unexpected range. |
1115 | // will (try-to) forward as-is. | |
1116 | //TODO: we should cope with multirange request/responses | |
1117 | bool replyMatchRequest = rep->content_range != NULL ? | |
1118 | request->range->contains(rep->content_range->spec) : | |
1119 | true; | |
62e76326 | 1120 | const int spec_count = http->request->range->specs.count; |
47f6e231 | 1121 | int64_t actual_clen = -1; |
62e76326 | 1122 | |
47f6e231 | 1123 | debugs(33, 3, "clientBuildRangeHeader: range spec count: " << |
1124 | spec_count << " virgin clen: " << rep->content_length); | |
62e76326 | 1125 | assert(spec_count > 0); |
1126 | /* ETags should not be returned with Partial Content replies? */ | |
a9925b40 | 1127 | hdr->delById(HDR_ETAG); |
62e76326 | 1128 | /* append appropriate header(s) */ |
1129 | ||
1130 | if (spec_count == 1) { | |
fedd1531 | 1131 | if (!replyMatchRequest) { |
1132 | hdr->delById(HDR_CONTENT_RANGE); | |
1133 | hdr->putContRange(rep->content_range); | |
1134 | actual_clen = rep->content_length; | |
1135 | //http->range_iter.pos = rep->content_range->spec.begin(); | |
1136 | (*http->range_iter.pos)->offset = rep->content_range->spec.offset; | |
1137 | (*http->range_iter.pos)->length = rep->content_range->spec.length; | |
1138 | ||
1139 | } else { | |
1140 | HttpHdrRange::iterator pos = http->request->range->begin(); | |
1141 | assert(*pos); | |
1142 | /* append Content-Range */ | |
1143 | ||
1144 | if (!hdr->has(HDR_CONTENT_RANGE)) { | |
1145 | /* No content range, so this was a full object we are | |
1146 | * sending parts of. | |
1147 | */ | |
1148 | httpHeaderAddContRange(hdr, **pos, rep->content_length); | |
1149 | } | |
1150 | ||
1151 | /* set new Content-Length to the actual number of bytes | |
1152 | * transmitted in the message-body */ | |
1153 | actual_clen = (*pos)->length; | |
62e76326 | 1154 | } |
62e76326 | 1155 | } else { |
1156 | /* multipart! */ | |
1157 | /* generate boundary string */ | |
1158 | http->range_iter.boundary = http->rangeBoundaryStr(); | |
1159 | /* delete old Content-Type, add ours */ | |
a9925b40 | 1160 | hdr->delById(HDR_CONTENT_TYPE); |
62e76326 | 1161 | httpHeaderPutStrf(hdr, HDR_CONTENT_TYPE, |
1162 | "multipart/byteranges; boundary=\"%s\"", | |
30abd221 | 1163 | http->range_iter.boundary.buf()); |
62e76326 | 1164 | /* Content-Length is not required in multipart responses |
1165 | * but it is always nice to have one */ | |
1166 | actual_clen = http->mRangeCLen(); | |
2512d159 | 1167 | /* http->out needs to start where we want data at */ |
1168 | http->out.offset = http->range_iter.currentSpec()->offset; | |
62e76326 | 1169 | } |
1170 | ||
1171 | /* replace Content-Length header */ | |
1172 | assert(actual_clen >= 0); | |
1173 | ||
a9925b40 | 1174 | hdr->delById(HDR_CONTENT_LENGTH); |
62e76326 | 1175 | |
47f6e231 | 1176 | hdr->putInt64(HDR_CONTENT_LENGTH, actual_clen); |
62e76326 | 1177 | |
bf8fe701 | 1178 | debugs(33, 3, "clientBuildRangeHeader: actual content length: " << actual_clen); |
62e76326 | 1179 | |
1180 | /* And start the range iter off */ | |
1181 | http->range_iter.updateSpec(); | |
c8be6d7b | 1182 | } |
528b2c61 | 1183 | } |
1184 | ||
1185 | void | |
1186 | ClientSocketContext::prepareReply(HttpReply * rep) | |
1187 | { | |
fedd1531 | 1188 | reply = rep; |
1189 | ||
528b2c61 | 1190 | if (http->request->range) |
62e76326 | 1191 | buildRangeHeader(rep); |
528b2c61 | 1192 | } |
1193 | ||
1194 | void | |
1195 | ClientSocketContext::sendStartOfMessage(HttpReply * rep, StoreIOBuffer bodyData) | |
1196 | { | |
1197 | prepareReply(rep); | |
528b2c61 | 1198 | assert (rep); |
06a5ae20 | 1199 | MemBuf *mb = rep->pack(); |
528b2c61 | 1200 | /* Save length of headers for persistent conn checks */ |
032785bf | 1201 | http->out.headers_sz = mb->contentSize(); |
528b2c61 | 1202 | #if HEADERS_LOG |
62e76326 | 1203 | |
528b2c61 | 1204 | headersLog(0, 0, http->request->method, rep); |
1205 | #endif | |
62e76326 | 1206 | |
c8be6d7b | 1207 | if (bodyData.data && bodyData.length) { |
62e76326 | 1208 | if (!multipartRangeRequest()) { |
2512d159 | 1209 | size_t length = lengthToSend(bodyData.range()); |
62e76326 | 1210 | noteSentBodyBytes (length); |
1211 | ||
2fe7eff9 | 1212 | mb->append(bodyData.data, length); |
62e76326 | 1213 | } else { |
032785bf | 1214 | packRange(bodyData, mb); |
62e76326 | 1215 | } |
c8be6d7b | 1216 | } |
62e76326 | 1217 | |
c8be6d7b | 1218 | /* write */ |
425802c8 | 1219 | debugs(33,7, HERE << "sendStartOfMessage schedules clientWriteComplete"); |
1cf238db | 1220 | AsyncCall::Pointer call = commCbCall(33, 5, "clientWriteComplete", |
1221 | CommIoCbPtrFun(clientWriteComplete, this)); | |
1222 | comm_write_mbuf(fd(), mb, call); | |
62e76326 | 1223 | |
032785bf | 1224 | delete mb; |
c8be6d7b | 1225 | } |
1226 | ||
63be0a78 | 1227 | /** |
7dc5f514 | 1228 | * Write a chunk of data to a client socket. If the reply is present, |
1229 | * send the reply headers down the wire too, and clean them up when | |
1230 | * finished. | |
edce4d98 | 1231 | * Pre-condition: |
1232 | * The request is one backed by a connection, not an internal request. | |
1233 | * data context is not NULL | |
1234 | * There are no more entries in the stream chain. | |
2246b732 | 1235 | */ |
edce4d98 | 1236 | static void |
59a1efb2 | 1237 | clientSocketRecipient(clientStreamNode * node, ClientHttpRequest * http, |
2324cda2 | 1238 | HttpReply * rep, StoreIOBuffer receivedData) |
edce4d98 | 1239 | { |
1240 | int fd; | |
edce4d98 | 1241 | /* Test preconditions */ |
1242 | assert(node != NULL); | |
559da936 | 1243 | PROF_start(clientSocketRecipient); |
62e76326 | 1244 | /* TODO: handle this rather than asserting |
c8be6d7b | 1245 | * - it should only ever happen if we cause an abort and |
edce4d98 | 1246 | * the callback chain loops back to here, so we can simply return. |
1247 | * However, that itself shouldn't happen, so it stays as an assert for now. | |
1248 | */ | |
1249 | assert(cbdataReferenceValid(node)); | |
edce4d98 | 1250 | assert(node->node.next == NULL); |
0655fa4d | 1251 | ClientSocketContext::Pointer context = dynamic_cast<ClientSocketContext *>(node->data.getRaw()); |
94a396a3 | 1252 | assert(context != NULL); |
98242069 | 1253 | assert(connIsUsable(http->getConn())); |
1254 | fd = http->getConn()->fd; | |
528b2c61 | 1255 | /* TODO: check offset is what we asked for */ |
62e76326 | 1256 | |
98242069 | 1257 | if (context != http->getConn()->getCurrentContext()) { |
2324cda2 | 1258 | context->deferRecipientForLater(node, rep, receivedData); |
559da936 | 1259 | PROF_stop(clientSocketRecipient); |
62e76326 | 1260 | return; |
edce4d98 | 1261 | } |
62e76326 | 1262 | |
2324cda2 | 1263 | if (responseFinishedOrFailed(rep, receivedData)) { |
0655fa4d | 1264 | context->writeComplete(fd, NULL, 0, COMM_OK); |
559da936 | 1265 | PROF_stop(clientSocketRecipient); |
62e76326 | 1266 | return; |
edce4d98 | 1267 | } |
62e76326 | 1268 | |
0655fa4d | 1269 | if (!context->startOfOutput()) |
2324cda2 | 1270 | context->sendBody(rep, receivedData); |
7684c4b1 | 1271 | else { |
a4785954 | 1272 | assert(rep); |
90a8964c | 1273 | http->al.reply = HTTPMSGLOCK(rep); |
2324cda2 | 1274 | context->sendStartOfMessage(rep, receivedData); |
7684c4b1 | 1275 | } |
fc68f6b1 | 1276 | |
559da936 | 1277 | PROF_stop(clientSocketRecipient); |
edce4d98 | 1278 | } |
1279 | ||
63be0a78 | 1280 | /** |
1281 | * Called when a downstream node is no longer interested in | |
edce4d98 | 1282 | * our data. As we are a terminal node, this means on aborts |
1283 | * only | |
1284 | */ | |
1285 | void | |
59a1efb2 | 1286 | clientSocketDetach(clientStreamNode * node, ClientHttpRequest * http) |
edce4d98 | 1287 | { |
edce4d98 | 1288 | /* Test preconditions */ |
1289 | assert(node != NULL); | |
62e76326 | 1290 | /* TODO: handle this rather than asserting |
c8be6d7b | 1291 | * - it should only ever happen if we cause an abort and |
edce4d98 | 1292 | * the callback chain loops back to here, so we can simply return. |
1293 | * However, that itself shouldn't happen, so it stays as an assert for now. | |
1294 | */ | |
1295 | assert(cbdataReferenceValid(node)); | |
1296 | /* Set null by ContextFree */ | |
edce4d98 | 1297 | assert(node->node.next == NULL); |
0655fa4d | 1298 | /* this is the assert discussed above */ |
e4a67a80 | 1299 | assert(NULL == dynamic_cast<ClientSocketContext *>(node->data.getRaw())); |
edce4d98 | 1300 | /* We are only called when the client socket shutsdown. |
1301 | * Tell the prev pipeline member we're finished | |
1302 | */ | |
1303 | clientStreamDetach(node, http); | |
7a2f978b | 1304 | } |
1305 | ||
f4f278b5 | 1306 | static void |
25f651c1 | 1307 | clientWriteBodyComplete(int fd, char *buf, size_t size, comm_err_t errflag, int xerrno, void *data) |
f4f278b5 | 1308 | { |
425802c8 | 1309 | debugs(33,7, HERE << "clientWriteBodyComplete schedules clientWriteComplete"); |
2b663917 | 1310 | clientWriteComplete(fd, NULL, size, errflag, xerrno, data); |
c8be6d7b | 1311 | } |
1312 | ||
1313 | void | |
a46d2c0e | 1314 | ConnStateData::readNextRequest() |
c8be6d7b | 1315 | { |
bf8fe701 | 1316 | debugs(33, 5, "ConnStateData::readNextRequest: FD " << fd << " reading next req"); |
1317 | ||
a46d2c0e | 1318 | fd_note(fd, "Waiting for next request"); |
63be0a78 | 1319 | /** |
c8be6d7b | 1320 | * Set the timeout BEFORE calling clientReadRequest(). |
1321 | */ | |
1cf238db | 1322 | typedef CommCbMemFunT<ConnStateData, CommTimeoutCbParams> TimeoutDialer; |
1323 | AsyncCall::Pointer timeoutCall = asyncCall(33, 5, "ConnStateData::requestTimeout", | |
1324 | TimeoutDialer(this, &ConnStateData::requestTimeout)); | |
1325 | commSetTimeout(fd, Config.Timeout.persistent_request, timeoutCall); | |
1326 | ||
a46d2c0e | 1327 | readSomeData(); |
63be0a78 | 1328 | /** Please don't do anything with the FD past here! */ |
c8be6d7b | 1329 | } |
1330 | ||
1331 | void | |
1cf238db | 1332 | ClientSocketContextPushDeferredIfNeeded(ClientSocketContext::Pointer deferredRequest, ConnStateData * conn) |
c8be6d7b | 1333 | { |
bf8fe701 | 1334 | debugs(33, 2, "ClientSocketContextPushDeferredIfNeeded: FD " << conn->fd << " Sending next"); |
1335 | ||
63be0a78 | 1336 | /** If the client stream is waiting on a socket write to occur, then */ |
62e76326 | 1337 | |
c8be6d7b | 1338 | if (deferredRequest->flags.deferred) { |
63be0a78 | 1339 | /** NO data is allowed to have been sent. */ |
62e76326 | 1340 | assert(deferredRequest->http->out.size == 0); |
63be0a78 | 1341 | /** defer now. */ |
62e76326 | 1342 | clientSocketRecipient(deferredRequest->deferredparams.node, |
1343 | deferredRequest->http, | |
1344 | deferredRequest->deferredparams.rep, | |
1345 | deferredRequest->deferredparams.queuedBuffer); | |
c8be6d7b | 1346 | } |
62e76326 | 1347 | |
63be0a78 | 1348 | /** otherwise, the request is still active in a callbacksomewhere, |
c8be6d7b | 1349 | * and we are done |
f4f278b5 | 1350 | */ |
f4f278b5 | 1351 | } |
1352 | ||
0655fa4d | 1353 | void |
1354 | ClientSocketContext::keepaliveNextRequest() | |
1a92a1e2 | 1355 | { |
1cf238db | 1356 | ConnStateData * conn = http->getConn(); |
f900210a | 1357 | bool do_next_read = false; |
bd4e6ec8 | 1358 | |
bf8fe701 | 1359 | debugs(33, 3, "ClientSocketContext::keepaliveNextRequest: FD " << conn->fd); |
0655fa4d | 1360 | connIsFinished(); |
1361 | ||
63be0a78 | 1362 | /** \par |
f900210a | 1363 | * Attempt to parse a request from the request buffer. |
1364 | * If we've been fed a pipelined request it may already | |
1365 | * be in our read buffer. | |
1366 | * | |
63be0a78 | 1367 | \par |
f900210a | 1368 | * This needs to fall through - if we're unlucky and parse the _last_ request |
1369 | * from our read buffer we may never re-register for another client read. | |
1370 | */ | |
1371 | ||
1372 | if (clientParseRequest(conn, do_next_read)) { | |
bf8fe701 | 1373 | debugs(33, 3, "clientSocketContext::keepaliveNextRequest: FD " << conn->fd << ": parsed next request from buffer"); |
f900210a | 1374 | } |
1375 | ||
63be0a78 | 1376 | /** \par |
f900210a | 1377 | * Either we need to kick-start another read or, if we have |
1378 | * a half-closed connection, kill it after the last request. | |
1379 | * This saves waiting for half-closed connections to finished being | |
1380 | * half-closed _AND_ then, sometimes, spending "Timeout" time in | |
1381 | * the keepalive "Waiting for next request" state. | |
1382 | */ | |
1383 | if (commIsHalfClosed(conn->fd) && (conn->getConcurrentRequestCount() == 0)) { | |
bf8fe701 | 1384 | debugs(33, 3, "ClientSocketContext::keepaliveNextRequest: half-closed client with no pending requests, closing"); |
f900210a | 1385 | comm_close(conn->fd); |
1386 | return; | |
1387 | } | |
1388 | ||
0655fa4d | 1389 | ClientSocketContext::Pointer deferredRequest; |
62e76326 | 1390 | |
63be0a78 | 1391 | /** \par |
f900210a | 1392 | * At this point we either have a parsed request (which we've |
1393 | * kicked off the processing for) or not. If we have a deferred | |
1394 | * request (parsed but deferred for pipeling processing reasons) | |
1395 | * then look at processing it. If not, simply kickstart | |
1396 | * another read. | |
1397 | */ | |
1398 | ||
1399 | if ((deferredRequest = conn->getCurrentContext()).getRaw()) { | |
bf8fe701 | 1400 | debugs(33, 3, "ClientSocketContext:: FD " << conn->fd << ": calling PushDeferredIfNeeded"); |
62e76326 | 1401 | ClientSocketContextPushDeferredIfNeeded(deferredRequest, conn); |
f900210a | 1402 | } else { |
bf8fe701 | 1403 | debugs(33, 3, "ClientSocketContext:: FD " << conn->fd << ": calling conn->readNextRequest()"); |
f900210a | 1404 | conn->readNextRequest(); |
1405 | } | |
1a92a1e2 | 1406 | } |
1407 | ||
c8be6d7b | 1408 | void |
1409 | clientUpdateSocketStats(log_type logType, size_t size) | |
1410 | { | |
1411 | if (size == 0) | |
62e76326 | 1412 | return; |
1413 | ||
c8be6d7b | 1414 | kb_incr(&statCounter.client_http.kbytes_out, size); |
62e76326 | 1415 | |
c8be6d7b | 1416 | if (logTypeIsATcpHit(logType)) |
62e76326 | 1417 | kb_incr(&statCounter.client_http.hit_kbytes_out, size); |
c8be6d7b | 1418 | } |
1419 | ||
63be0a78 | 1420 | /** |
528b2c61 | 1421 | * increments iterator "i" |
63be0a78 | 1422 | * used by clientPackMoreRanges |
1423 | * | |
1424 | \retval true there is still data available to pack more ranges | |
1425 | \retval false | |
1426 | */ | |
528b2c61 | 1427 | bool |
1428 | ClientSocketContext::canPackMoreRanges() const | |
1429 | { | |
63be0a78 | 1430 | /** first update iterator "i" if needed */ |
62e76326 | 1431 | |
528b2c61 | 1432 | if (!http->range_iter.debt()) { |
63be0a78 | 1433 | debugs(33, 5, "ClientSocketContext::canPackMoreRanges: At end of current range spec for FD " << fd()); |
62e76326 | 1434 | |
1435 | if (http->range_iter.pos.incrementable()) | |
1436 | ++http->range_iter.pos; | |
1437 | ||
1438 | http->range_iter.updateSpec(); | |
528b2c61 | 1439 | } |
62e76326 | 1440 | |
528b2c61 | 1441 | assert(!http->range_iter.debt() == !http->range_iter.currentSpec()); |
63be0a78 | 1442 | |
528b2c61 | 1443 | /* paranoid sync condition */ |
1444 | /* continue condition: need_more_data */ | |
bf8fe701 | 1445 | debugs(33, 5, "ClientSocketContext::canPackMoreRanges: returning " << (http->range_iter.currentSpec() ? true : false)); |
528b2c61 | 1446 | return http->range_iter.currentSpec() ? true : false; |
1447 | } | |
1448 | ||
47f6e231 | 1449 | int64_t |
528b2c61 | 1450 | ClientSocketContext::getNextRangeOffset() const |
1451 | { | |
1452 | if (http->request->range) { | |
62e76326 | 1453 | /* offset in range specs does not count the prefix of an http msg */ |
47f6e231 | 1454 | debugs (33, 5, "ClientSocketContext::getNextRangeOffset: http offset " << http->out.offset); |
62e76326 | 1455 | /* check: reply was parsed and range iterator was initialized */ |
1456 | assert(http->range_iter.valid); | |
1457 | /* filter out data according to range specs */ | |
1458 | assert (canPackMoreRanges()); | |
1459 | { | |
47f6e231 | 1460 | int64_t start; /* offset of still missing data */ |
62e76326 | 1461 | assert(http->range_iter.currentSpec()); |
1462 | start = http->range_iter.currentSpec()->offset + http->range_iter.currentSpec()->length - http->range_iter.debt(); | |
47f6e231 | 1463 | debugs(33, 3, "clientPackMoreRanges: in: offset: " << http->out.offset); |
1464 | debugs(33, 3, "clientPackMoreRanges: out:" | |
1465 | " start: " << start << | |
1466 | " spec[" << http->range_iter.pos - http->request->range->begin() << "]:" << | |
1467 | " [" << http->range_iter.currentSpec()->offset << | |
1468 | ", " << http->range_iter.currentSpec()->offset + http->range_iter.currentSpec()->length << ")," | |
1469 | " len: " << http->range_iter.currentSpec()->length << | |
1470 | " debt: " << http->range_iter.debt()); | |
62e76326 | 1471 | if (http->range_iter.currentSpec()->length != -1) |
1472 | assert(http->out.offset <= start); /* we did not miss it */ | |
1473 | ||
1474 | return start; | |
1475 | } | |
1476 | ||
fedd1531 | 1477 | } else if (reply && reply->content_range) { |
1478 | /* request does not have ranges, but reply does */ | |
63be0a78 | 1479 | /** \todo FIXME: should use range_iter_pos on reply, as soon as reply->content_range |
1480 | * becomes HttpHdrRange rather than HttpHdrRangeSpec. | |
1481 | */ | |
fedd1531 | 1482 | return http->out.offset + reply->content_range->spec.offset; |
528b2c61 | 1483 | } |
1484 | ||
1485 | return http->out.offset; | |
1486 | } | |
1487 | ||
c8be6d7b | 1488 | void |
528b2c61 | 1489 | ClientSocketContext::pullData() |
c8be6d7b | 1490 | { |
ec69c304 | 1491 | debugs(33, 5, "ClientSocketContext::pullData: FD " << fd() << |
920ba08d | 1492 | " attempting to pull upstream data"); |
bf8fe701 | 1493 | |
c8be6d7b | 1494 | /* More data will be coming from the stream. */ |
528b2c61 | 1495 | StoreIOBuffer readBuffer; |
1496 | /* XXX: Next requested byte in the range sequence */ | |
1497 | /* XXX: length = getmaximumrangelenfgth */ | |
1498 | readBuffer.offset = getNextRangeOffset(); | |
c8be6d7b | 1499 | readBuffer.length = HTTP_REQBUF_SZ; |
528b2c61 | 1500 | readBuffer.data = reqbuf; |
1501 | /* we may note we have reached the end of the wanted ranges */ | |
1502 | clientStreamRead(getTail(), http, readBuffer); | |
1503 | } | |
1504 | ||
62e76326 | 1505 | clientStream_status_t |
528b2c61 | 1506 | ClientSocketContext::socketState() |
1507 | { | |
1508 | switch (clientStreamStatus(getTail(), http)) { | |
62e76326 | 1509 | |
1510 | case STREAM_NONE: | |
528b2c61 | 1511 | /* check for range support ending */ |
62e76326 | 1512 | |
528b2c61 | 1513 | if (http->request->range) { |
62e76326 | 1514 | /* check: reply was parsed and range iterator was initialized */ |
1515 | assert(http->range_iter.valid); | |
1516 | /* filter out data according to range specs */ | |
1517 | ||
1518 | if (!canPackMoreRanges()) { | |
920ba08d | 1519 | debugs(33, 5, HERE << "Range request at end of returnable " << |
ec69c304 | 1520 | "range sequence on FD " << fd()); |
62e76326 | 1521 | |
1522 | if (http->request->flags.proxy_keepalive) | |
1523 | return STREAM_COMPLETE; | |
1524 | else | |
1525 | return STREAM_UNPLANNED_COMPLETE; | |
1526 | } | |
fedd1531 | 1527 | } else if (reply && reply->content_range) { |
425802c8 | 1528 | /* reply has content-range, but Squid is not managing ranges */ |
1529 | const int64_t &bytesSent = http->out.offset; | |
1530 | const int64_t &bytesExpected = reply->content_range->spec.length; | |
fedd1531 | 1531 | |
425802c8 | 1532 | debugs(33, 7, HERE << "body bytes sent vs. expected: " << |
1533 | bytesSent << " ? " << bytesExpected << " (+" << | |
1534 | reply->content_range->spec.offset << ")"); | |
1535 | ||
1536 | // did we get at least what we expected, based on range specs? | |
1537 | ||
1538 | if (bytesSent == bytesExpected) // got everything | |
1539 | return STREAM_COMPLETE; | |
1540 | ||
1541 | // The logic below is not clear: If we got more than we | |
1542 | // expected why would persistency matter? Should not this | |
1543 | // always be an error? | |
1544 | if (bytesSent > bytesExpected) { // got extra | |
fedd1531 | 1545 | if (http->request->flags.proxy_keepalive) |
1546 | return STREAM_COMPLETE; | |
1547 | else | |
1548 | return STREAM_UNPLANNED_COMPLETE; | |
1549 | } | |
425802c8 | 1550 | |
1551 | // did not get enough yet, expecting more | |
62e76326 | 1552 | } |
1553 | ||
1554 | return STREAM_NONE; | |
1555 | ||
1556 | case STREAM_COMPLETE: | |
528b2c61 | 1557 | return STREAM_COMPLETE; |
62e76326 | 1558 | |
1559 | case STREAM_UNPLANNED_COMPLETE: | |
1560 | return STREAM_UNPLANNED_COMPLETE; | |
1561 | ||
1562 | case STREAM_FAILED: | |
1563 | return STREAM_FAILED; | |
528b2c61 | 1564 | } |
62e76326 | 1565 | |
528b2c61 | 1566 | fatal ("unreachable code\n"); |
1567 | return STREAM_NONE; | |
c8be6d7b | 1568 | } |
edce4d98 | 1569 | |
63be0a78 | 1570 | /** |
1571 | * A write has just completed to the client, or we have just realised there is | |
edce4d98 | 1572 | * no more data to send. |
1573 | */ | |
e6ccf245 | 1574 | void |
2b663917 | 1575 | clientWriteComplete(int fd, char *bufnotused, size_t size, comm_err_t errflag, int xerrno, void *data) |
7a2f978b | 1576 | { |
528b2c61 | 1577 | ClientSocketContext *context = (ClientSocketContext *)data; |
0655fa4d | 1578 | context->writeComplete (fd, bufnotused, size, errflag); |
1579 | } | |
1580 | ||
55e44db9 | 1581 | void |
1582 | ClientSocketContext::doClose() | |
1583 | { | |
1584 | comm_close(fd()); | |
1585 | } | |
1586 | ||
1587 | void | |
5f8252d2 | 1588 | ClientSocketContext::initiateClose(const char *reason) |
55e44db9 | 1589 | { |
5f8252d2 | 1590 | debugs(33, 5, HERE << "initiateClose: closing for " << reason); |
fc68f6b1 | 1591 | |
3b299123 | 1592 | if (http != NULL) { |
1cf238db | 1593 | ConnStateData * conn = http->getConn(); |
3b299123 | 1594 | |
1595 | if (conn != NULL) { | |
3e62bd58 | 1596 | if (const int64_t expecting = conn->bodySizeLeft()) { |
5f8252d2 | 1597 | debugs(33, 5, HERE << "ClientSocketContext::initiateClose: " << |
1598 | "closing, but first " << conn << " needs to read " << | |
1599 | expecting << " request body bytes with " << | |
1600 | conn->in.notYetUsed << " notYetUsed"); | |
1601 | ||
1602 | if (conn->closing()) { | |
1603 | debugs(33, 2, HERE << "avoiding double-closing " << conn); | |
1604 | return; | |
1605 | } | |
fc68f6b1 | 1606 | |
3b299123 | 1607 | /* |
1608 | * XXX We assume the reply fits in the TCP transmit | |
1609 | * window. If not the connection may stall while sending | |
1610 | * the reply (before reaching here) if the client does not | |
1611 | * try to read the response while sending the request body. | |
1612 | * As of yet we have not received any complaints indicating | |
1613 | * this may be an issue. | |
55e44db9 | 1614 | */ |
5f8252d2 | 1615 | conn->startClosing(reason); |
fc68f6b1 | 1616 | |
3b299123 | 1617 | return; |
1618 | } | |
1619 | } | |
55e44db9 | 1620 | } |
1621 | ||
1622 | doClose(); | |
1623 | } | |
1624 | ||
0655fa4d | 1625 | void |
1626 | ClientSocketContext::writeComplete(int fd, char *bufnotused, size_t size, comm_err_t errflag) | |
1627 | { | |
86a2f789 | 1628 | StoreEntry *entry = http->storeEntry(); |
7a2f978b | 1629 | http->out.size += size; |
c8be6d7b | 1630 | assert(fd > -1); |
e4049756 | 1631 | debugs(33, 5, "clientWriteComplete: FD " << fd << ", sz " << size << |
1632 | ", err " << errflag << ", off " << http->out.size << ", len " << | |
707fdc47 | 1633 | entry ? entry->objectLen() : 0); |
c8be6d7b | 1634 | clientUpdateSocketStats(http->logType, size); |
55e44db9 | 1635 | assert (this->fd() == fd); |
62e76326 | 1636 | |
5f8252d2 | 1637 | /* Bail out quickly on COMM_ERR_CLOSING - close handlers will tidy up */ |
fc68f6b1 | 1638 | |
5f8252d2 | 1639 | if (errflag == COMM_ERR_CLOSING) |
1640 | return; | |
1641 | ||
c8be6d7b | 1642 | if (errflag || clientHttpRequestStatus(fd, http)) { |
5f8252d2 | 1643 | initiateClose("failure or true request status"); |
62e76326 | 1644 | /* Do we leak here ? */ |
1645 | return; | |
edce4d98 | 1646 | } |
62e76326 | 1647 | |
0655fa4d | 1648 | switch (socketState()) { |
62e76326 | 1649 | |
edce4d98 | 1650 | case STREAM_NONE: |
0655fa4d | 1651 | pullData(); |
62e76326 | 1652 | break; |
1653 | ||
edce4d98 | 1654 | case STREAM_COMPLETE: |
bf8fe701 | 1655 | debugs(33, 5, "clientWriteComplete: FD " << fd << " Keeping Alive"); |
0655fa4d | 1656 | keepaliveNextRequest(); |
62e76326 | 1657 | return; |
1658 | ||
edce4d98 | 1659 | case STREAM_UNPLANNED_COMPLETE: |
62e76326 | 1660 | /* fallthrough */ |
1661 | ||
edce4d98 | 1662 | case STREAM_FAILED: |
5f8252d2 | 1663 | initiateClose("STREAM_UNPLANNED_COMPLETE|STREAM_FAILED"); |
62e76326 | 1664 | return; |
1665 | ||
edce4d98 | 1666 | default: |
62e76326 | 1667 | fatal("Hit unreachable code in clientWriteComplete\n"); |
7a2f978b | 1668 | } |
1669 | } | |
1670 | ||
e6ccf245 | 1671 | extern "C" CSR clientGetMoreData; |
1672 | extern "C" CSS clientReplyStatus; | |
1673 | extern "C" CSD clientReplyDetach; | |
edce4d98 | 1674 | |
528b2c61 | 1675 | static ClientSocketContext * |
1cf238db | 1676 | parseHttpRequestAbort(ConnStateData * conn, const char *uri) |
038eb4ed | 1677 | { |
59a1efb2 | 1678 | ClientHttpRequest *http; |
528b2c61 | 1679 | ClientSocketContext *context; |
1680 | StoreIOBuffer tempBuffer; | |
a0355e95 | 1681 | http = new ClientHttpRequest(conn); |
c8be6d7b | 1682 | http->req_sz = conn->in.notYetUsed; |
edce4d98 | 1683 | http->uri = xstrdup(uri); |
c4b7a5a9 | 1684 | setLogUri (http, uri); |
528b2c61 | 1685 | context = ClientSocketContextNew(http); |
c8be6d7b | 1686 | tempBuffer.data = context->reqbuf; |
1687 | tempBuffer.length = HTTP_REQBUF_SZ; | |
edce4d98 | 1688 | clientStreamInit(&http->client_stream, clientGetMoreData, clientReplyDetach, |
0655fa4d | 1689 | clientReplyStatus, new clientReplyContext(http), clientSocketRecipient, |
62e76326 | 1690 | clientSocketDetach, context, tempBuffer); |
edce4d98 | 1691 | return context; |
038eb4ed | 1692 | } |
1693 | ||
c8be6d7b | 1694 | char * |
1695 | skipLeadingSpace(char *aString) | |
1696 | { | |
1697 | char *result = aString; | |
62e76326 | 1698 | |
c8be6d7b | 1699 | while (xisspace(*aString)) |
62e76326 | 1700 | ++aString; |
1701 | ||
c8be6d7b | 1702 | return result; |
1703 | } | |
1704 | ||
63be0a78 | 1705 | /** |
d4a04ed5 | 1706 | * 'end' defaults to NULL for backwards compatibility |
1707 | * remove default value if we ever get rid of NULL-terminated | |
1708 | * request buffers. | |
1709 | */ | |
1710 | const char * | |
1711 | findTrailingHTTPVersion(const char *uriAndHTTPVersion, const char *end) | |
c8be6d7b | 1712 | { |
d4a04ed5 | 1713 | if (NULL == end) { |
1714 | end = uriAndHTTPVersion + strcspn(uriAndHTTPVersion, "\r\n"); | |
1715 | assert(end); | |
1716 | } | |
62e76326 | 1717 | |
d4a04ed5 | 1718 | for (; end > uriAndHTTPVersion; end--) { |
1719 | if (*end == '\n' || *end == '\r') | |
62e76326 | 1720 | continue; |
1721 | ||
d4a04ed5 | 1722 | if (xisspace(*end)) { |
1723 | if (strncasecmp(end + 1, "HTTP/", 5) == 0) | |
1724 | return end + 1; | |
62e76326 | 1725 | else |
1726 | break; | |
1727 | } | |
c8be6d7b | 1728 | } |
62e76326 | 1729 | |
3f38a55e | 1730 | return NULL; |
c8be6d7b | 1731 | } |
1732 | ||
c8be6d7b | 1733 | void |
59a1efb2 | 1734 | setLogUri(ClientHttpRequest * http, char const *uri) |
c8be6d7b | 1735 | { |
a46d0227 | 1736 | safe_free(http->log_uri); |
62e76326 | 1737 | |
c8be6d7b | 1738 | if (!stringHasCntl(uri)) |
62e76326 | 1739 | http->log_uri = xstrndup(uri, MAX_URL); |
c8be6d7b | 1740 | else |
62e76326 | 1741 | http->log_uri = xstrndup(rfc1738_escape_unescaped(uri), MAX_URL); |
c8be6d7b | 1742 | } |
1743 | ||
3f38a55e | 1744 | static void |
1cf238db | 1745 | prepareAcceleratedURL(ConnStateData * conn, ClientHttpRequest *http, char *url, const char *req_hdr) |
62e76326 | 1746 | { |
3f38a55e | 1747 | int vhost = conn->port->vhost; |
1748 | int vport = conn->port->vport; | |
1749 | char *host; | |
cc192b50 | 1750 | char ntoabuf[MAX_IPSTRLEN]; |
c8be6d7b | 1751 | |
3f38a55e | 1752 | http->flags.accel = 1; |
c8be6d7b | 1753 | |
3f38a55e | 1754 | /* BUG: Squid cannot deal with '*' URLs (RFC2616 5.1.2) */ |
c8be6d7b | 1755 | |
34399323 | 1756 | if (strncasecmp(url, "cache_object://", 15) == 0) |
1757 | return; /* already in good shape */ | |
1758 | ||
3f38a55e | 1759 | if (*url != '/') { |
62e76326 | 1760 | if (conn->port->vhost) |
1761 | return; /* already in good shape */ | |
1762 | ||
1763 | /* else we need to ignore the host name */ | |
1764 | url = strstr(url, "//"); | |
1765 | ||
3f38a55e | 1766 | #if SHOULD_REJECT_UNKNOWN_URLS |
62e76326 | 1767 | |
1768 | if (!url) | |
1769 | return parseHttpRequestAbort(conn, "error:invalid-request"); | |
1770 | ||
c8be6d7b | 1771 | #endif |
62e76326 | 1772 | |
1773 | if (url) | |
1774 | url = strchr(url + 2, '/'); | |
1775 | ||
1776 | if (!url) | |
1777 | url = (char *) "/"; | |
3f38a55e | 1778 | } |
1779 | ||
1780 | if (internalCheck(url)) { | |
62e76326 | 1781 | /* prepend our name & port */ |
1782 | http->uri = xstrdup(internalLocalUri(NULL, url)); | |
ae7ff0b8 | 1783 | return; |
1784 | } | |
1785 | ||
1786 | const bool switchedToHttps = conn->switchedToHttps(); | |
1787 | const bool tryHostHeader = vhost || switchedToHttps; | |
1788 | if (tryHostHeader && (host = mime_get_header(req_hdr, "Host")) != NULL) { | |
62e76326 | 1789 | int url_sz = strlen(url) + 32 + Config.appendDomainLen + |
1790 | strlen(host); | |
1791 | http->uri = (char *)xcalloc(url_sz, 1); | |
ae7ff0b8 | 1792 | const char *protocol = switchedToHttps ? |
1793 | "https" : conn->port->protocol; | |
1794 | snprintf(http->uri, url_sz, "%s://%s%s", protocol, host, url); | |
bf8fe701 | 1795 | debugs(33, 5, "ACCEL VHOST REWRITE: '" << http->uri << "'"); |
3f38a55e | 1796 | } else if (conn->port->defaultsite) { |
62e76326 | 1797 | int url_sz = strlen(url) + 32 + Config.appendDomainLen + |
1798 | strlen(conn->port->defaultsite); | |
1799 | http->uri = (char *)xcalloc(url_sz, 1); | |
1800 | snprintf(http->uri, url_sz, "%s://%s%s", | |
1801 | conn->port->protocol, conn->port->defaultsite, url); | |
bf8fe701 | 1802 | debugs(33, 5, "ACCEL DEFAULTSITE REWRITE: '" << http->uri <<"'"); |
3f38a55e | 1803 | } else if (vport == -1) { |
62e76326 | 1804 | /* Put the local socket IP address as the hostname. */ |
1805 | int url_sz = strlen(url) + 32 + Config.appendDomainLen; | |
1806 | http->uri = (char *)xcalloc(url_sz, 1); | |
1807 | snprintf(http->uri, url_sz, "%s://%s:%d%s", | |
98242069 | 1808 | http->getConn()->port->protocol, |
cc192b50 | 1809 | http->getConn()->me.NtoA(ntoabuf,MAX_IPSTRLEN), |
1810 | http->getConn()->me.GetPort(), url); | |
bf8fe701 | 1811 | debugs(33, 5, "ACCEL VPORT REWRITE: '" << http->uri << "'"); |
3f38a55e | 1812 | } else if (vport > 0) { |
62e76326 | 1813 | /* Put the local socket IP address as the hostname, but static port */ |
1814 | int url_sz = strlen(url) + 32 + Config.appendDomainLen; | |
1815 | http->uri = (char *)xcalloc(url_sz, 1); | |
1816 | snprintf(http->uri, url_sz, "%s://%s:%d%s", | |
98242069 | 1817 | http->getConn()->port->protocol, |
cc192b50 | 1818 | http->getConn()->me.NtoA(ntoabuf,MAX_IPSTRLEN), |
62e76326 | 1819 | vport, url); |
bf8fe701 | 1820 | debugs(33, 5, "ACCEL VPORT REWRITE: '" << http->uri << "'"); |
3f38a55e | 1821 | } |
1822 | } | |
1823 | ||
1824 | static void | |
1cf238db | 1825 | prepareTransparentURL(ConnStateData * conn, ClientHttpRequest *http, char *url, const char *req_hdr) |
62e76326 | 1826 | { |
3f38a55e | 1827 | char *host; |
cc192b50 | 1828 | char ntoabuf[MAX_IPSTRLEN]; |
3f38a55e | 1829 | |
2ad20b4f | 1830 | http->flags.intercepted = 1; |
3f38a55e | 1831 | |
1832 | if (*url != '/') | |
62e76326 | 1833 | return; /* already in good shape */ |
3f38a55e | 1834 | |
1835 | /* BUG: Squid cannot deal with '*' URLs (RFC2616 5.1.2) */ | |
1836 | ||
f024c970 | 1837 | if ((host = mime_get_header(req_hdr, "Host")) != NULL) { |
62e76326 | 1838 | int url_sz = strlen(url) + 32 + Config.appendDomainLen + |
1839 | strlen(host); | |
1840 | http->uri = (char *)xcalloc(url_sz, 1); | |
1841 | snprintf(http->uri, url_sz, "%s://%s%s", | |
1842 | conn->port->protocol, host, url); | |
bf8fe701 | 1843 | debugs(33, 5, "TRANSPARENT HOST REWRITE: '" << http->uri <<"'"); |
c8be6d7b | 1844 | } else { |
62e76326 | 1845 | /* Put the local socket IP address as the hostname. */ |
1846 | int url_sz = strlen(url) + 32 + Config.appendDomainLen; | |
1847 | http->uri = (char *)xcalloc(url_sz, 1); | |
1848 | snprintf(http->uri, url_sz, "%s://%s:%d%s", | |
98242069 | 1849 | http->getConn()->port->protocol, |
cc192b50 | 1850 | http->getConn()->me.NtoA(ntoabuf,MAX_IPSTRLEN), |
1851 | http->getConn()->me.GetPort(), url); | |
bf8fe701 | 1852 | debugs(33, 5, "TRANSPARENT REWRITE: '" << http->uri << "'"); |
c8be6d7b | 1853 | } |
c8be6d7b | 1854 | } |
1855 | ||
63be0a78 | 1856 | /** |
7a2f978b | 1857 | * parseHttpRequest() |
1858 | * | |
1859 | * Returns | |
c4b7a5a9 | 1860 | * NULL on incomplete requests |
528b2c61 | 1861 | * a ClientSocketContext structure on success or failure. |
c4b7a5a9 | 1862 | * Sets result->flags.parsed_ok to 0 if failed to parse the request. |
1863 | * Sets result->flags.parsed_ok to 1 if we have a good request. | |
7a2f978b | 1864 | */ |
528b2c61 | 1865 | static ClientSocketContext * |
1cf238db | 1866 | parseHttpRequest(ConnStateData *conn, HttpParser *hp, HttpRequestMethod * method_p, HttpVersion *http_ver) |
7a2f978b | 1867 | { |
7a2f978b | 1868 | char *url = NULL; |
1869 | char *req_hdr = NULL; | |
2334c194 | 1870 | char *end; |
c68e9c6b | 1871 | size_t req_sz; |
59a1efb2 | 1872 | ClientHttpRequest *http; |
528b2c61 | 1873 | ClientSocketContext *result; |
1874 | StoreIOBuffer tempBuffer; | |
84cc2635 | 1875 | int r; |
7a2f978b | 1876 | |
6792f0d3 | 1877 | /* pre-set these values to make aborting simpler */ |
6792f0d3 | 1878 | *method_p = METHOD_NONE; |
6792f0d3 | 1879 | |
84cc2635 | 1880 | /* Attempt to parse the first line; this'll define the method, url, version and header begin */ |
1881 | r = HttpParserParseReqLine(hp); | |
fc68f6b1 | 1882 | |
84cc2635 | 1883 | if (r == 0) { |
bf8fe701 | 1884 | debugs(33, 5, "Incomplete request, waiting for end of request line"); |
fc68f6b1 | 1885 | return NULL; |
7a2f978b | 1886 | } |
fc68f6b1 | 1887 | |
84cc2635 | 1888 | if (r == -1) { |
1889 | return parseHttpRequestAbort(conn, "error:invalid-request"); | |
1890 | } | |
fc68f6b1 | 1891 | |
84cc2635 | 1892 | /* Request line is valid here .. */ |
1893 | *http_ver = HttpVersion(hp->v_maj, hp->v_min); | |
62e76326 | 1894 | |
52512f28 | 1895 | /* This call scans the entire request, not just the headers */ |
84cc2635 | 1896 | if (hp->v_maj > 0) { |
a5baffba | 1897 | if ((req_sz = headersEnd(hp->buf, hp->bufsiz)) == 0) { |
bf8fe701 | 1898 | debugs(33, 5, "Incomplete request, waiting for end of headers"); |
62e76326 | 1899 | return NULL; |
1900 | } | |
3f38a55e | 1901 | } else { |
bf8fe701 | 1902 | debugs(33, 3, "parseHttpRequest: Missing HTTP identifier"); |
84cc2635 | 1903 | req_sz = HttpParserReqSz(hp); |
3f38a55e | 1904 | } |
1905 | ||
52512f28 | 1906 | /* We know the whole request is in hp->buf now */ |
1907 | ||
a5baffba | 1908 | assert(req_sz <= (size_t) hp->bufsiz); |
fc68f6b1 | 1909 | |
a5baffba | 1910 | /* Will the following be true with HTTP/0.9 requests? probably not .. */ |
1911 | /* So the rest of the code will need to deal with '0'-byte headers (ie, none, so don't try parsing em) */ | |
1912 | assert(req_sz > 0); | |
fc68f6b1 | 1913 | |
a5baffba | 1914 | hp->hdr_end = req_sz - 1; |
fc68f6b1 | 1915 | |
a5baffba | 1916 | hp->hdr_start = hp->req_end + 1; |
3f38a55e | 1917 | |
5b648f60 | 1918 | /* Enforce max_request_size */ |
5b648f60 | 1919 | if (req_sz >= Config.maxRequestHeaderSize) { |
bf8fe701 | 1920 | debugs(33, 5, "parseHttpRequest: Too large request"); |
5b648f60 | 1921 | return parseHttpRequestAbort(conn, "error:request-too-large"); |
1922 | } | |
1923 | ||
84cc2635 | 1924 | /* Set method_p */ |
60745f24 | 1925 | *method_p = HttpRequestMethod(&hp->buf[hp->m_start], &hp->buf[hp->m_end]+1); |
fc68f6b1 | 1926 | |
84cc2635 | 1927 | if (*method_p == METHOD_NONE) { |
fc68f6b1 | 1928 | /* XXX need a way to say "this many character length string" */ |
bf8fe701 | 1929 | debugs(33, 1, "clientParseRequestMethod: Unsupported method in request '" << hp->buf << "'"); |
1930 | ||
fc68f6b1 | 1931 | /* XXX where's the method set for this error? */ |
84cc2635 | 1932 | return parseHttpRequestAbort(conn, "error:unsupported-request-method"); |
3f38a55e | 1933 | } |
7a2f978b | 1934 | |
84cc2635 | 1935 | /* set url */ |
1936 | /* | |
1937 | * XXX this should eventually not use a malloc'ed buffer; the transformation code | |
1938 | * below needs to be modified to not expect a mutable nul-terminated string. | |
1939 | */ | |
1940 | url = (char *)xmalloc(hp->u_end - hp->u_start + 16); | |
fc68f6b1 | 1941 | |
84cc2635 | 1942 | memcpy(url, hp->buf + hp->u_start, hp->u_end - hp->u_start + 1); |
fc68f6b1 | 1943 | |
84cc2635 | 1944 | url[hp->u_end - hp->u_start + 1] = '\0'; |
62e76326 | 1945 | |
c68e9c6b | 1946 | /* |
1947 | * Process headers after request line | |
c8be6d7b | 1948 | * TODO: Use httpRequestParse here. |
c68e9c6b | 1949 | */ |
84cc2635 | 1950 | /* XXX this code should be modified to take a const char * later! */ |
1951 | req_hdr = (char *) hp->buf + hp->req_end + 1; | |
fc68f6b1 | 1952 | |
bf8fe701 | 1953 | debugs(33, 3, "parseHttpRequest: req_hdr = {" << req_hdr << "}"); |
fc68f6b1 | 1954 | |
52512f28 | 1955 | end = (char *) hp->buf + hp->hdr_end; |
fc68f6b1 | 1956 | |
bf8fe701 | 1957 | debugs(33, 3, "parseHttpRequest: end = {" << end << "}"); |
99edd1c3 | 1958 | |
3e83e8b2 AJ |
1959 | /* |
1960 | * Check that the headers don't have double-CR. | |
1961 | * NP: strnstr is required so we don't search any possible binary body blobs. | |
1962 | */ | |
cee08cbc | 1963 | if ( squid_strnstr(req_hdr, "\r\r\n", req_sz) ) { |
bf8fe701 | 1964 | debugs(33, 1, "WARNING: suspicious HTTP request contains double CR"); |
fc68f6b1 | 1965 | xfree(url); |
47ac2ebe | 1966 | return parseHttpRequestAbort(conn, "error:double-CR"); |
1967 | } | |
1968 | ||
bf8fe701 | 1969 | debugs(33, 3, "parseHttpRequest: prefix_sz = " << |
1970 | (int) HttpParserRequestLen(hp) << ", req_line_sz = " << | |
1971 | HttpParserReqSz(hp)); | |
62e76326 | 1972 | |
7a2f978b | 1973 | /* Ok, all headers are received */ |
a0355e95 | 1974 | http = new ClientHttpRequest(conn); |
62e76326 | 1975 | |
a5baffba | 1976 | http->req_sz = HttpParserRequestLen(hp); |
528b2c61 | 1977 | result = ClientSocketContextNew(http); |
c8be6d7b | 1978 | tempBuffer.data = result->reqbuf; |
1979 | tempBuffer.length = HTTP_REQBUF_SZ; | |
62e76326 | 1980 | |
0655fa4d | 1981 | ClientStreamData newServer = new clientReplyContext(http); |
0655fa4d | 1982 | ClientStreamData newClient = result; |
edce4d98 | 1983 | clientStreamInit(&http->client_stream, clientGetMoreData, clientReplyDetach, |
0655fa4d | 1984 | clientReplyStatus, newServer, clientSocketRecipient, |
1985 | clientSocketDetach, newClient, tempBuffer); | |
62e76326 | 1986 | |
bf8fe701 | 1987 | debugs(33, 5, "parseHttpRequest: Request Header is\n" <<(hp->buf) + hp->hdr_start); |
3f38a55e | 1988 | |
ba9ebd0a | 1989 | #if THIS_VIOLATES_HTTP_SPECS_ON_URL_TRANSFORMATION |
62e76326 | 1990 | |
7a2f978b | 1991 | if ((t = strchr(url, '#'))) /* remove HTML anchors */ |
62e76326 | 1992 | *t = '\0'; |
1993 | ||
ba9ebd0a | 1994 | #endif |
7a2f978b | 1995 | |
3f38a55e | 1996 | /* Rewrite the URL in transparent or accelerator mode */ |
a46d2c0e | 1997 | if (conn->transparent()) { |
62e76326 | 1998 | prepareTransparentURL(conn, http, url, req_hdr); |
ae7ff0b8 | 1999 | } else if (conn->port->accel || conn->switchedToHttps()) { |
62e76326 | 2000 | prepareAcceleratedURL(conn, http, url, req_hdr); |
2f2749d7 | 2001 | } else if (internalCheck(url)) { |
2002 | /* prepend our name & port */ | |
2003 | http->uri = xstrdup(internalLocalUri(NULL, url)); | |
2f2749d7 | 2004 | http->flags.accel = 1; |
2ad20b4f AJ |
2005 | } else if (conn->port->intercepted) { |
2006 | // Fallback on transparent interception if enabled, useful for "self" requests | |
bed4f114 | 2007 | prepareTransparentURL(conn, http, url, req_hdr); |
3f38a55e | 2008 | } |
2009 | ||
2010 | if (!http->uri) { | |
62e76326 | 2011 | /* No special rewrites have been applied above, use the |
2012 | * requested url. may be rewritten later, so make extra room */ | |
2013 | int url_sz = strlen(url) + Config.appendDomainLen + 5; | |
2014 | http->uri = (char *)xcalloc(url_sz, 1); | |
2015 | strcpy(http->uri, url); | |
3f38a55e | 2016 | } |
62e76326 | 2017 | |
c8be6d7b | 2018 | setLogUri(http, http->uri); |
bf8fe701 | 2019 | debugs(33, 5, "parseHttpRequest: Complete request received"); |
c4b7a5a9 | 2020 | result->flags.parsed_ok = 1; |
84cc2635 | 2021 | xfree(url); |
c8be6d7b | 2022 | return result; |
7a2f978b | 2023 | } |
2024 | ||
c8be6d7b | 2025 | int |
a46d2c0e | 2026 | ConnStateData::getAvailableBufferLength() const |
c8be6d7b | 2027 | { |
1a419b96 | 2028 | int result = in.allocatedSize - in.notYetUsed - 1; |
2029 | assert (result >= 0); | |
2030 | return result; | |
c8be6d7b | 2031 | } |
2032 | ||
2033 | void | |
a46d2c0e | 2034 | ConnStateData::makeSpaceAvailable() |
c8be6d7b | 2035 | { |
a46d2c0e | 2036 | if (getAvailableBufferLength() < 2) { |
2037 | in.buf = (char *)memReallocBuf(in.buf, in.allocatedSize * 2, &in.allocatedSize); | |
4a7a3d56 | 2038 | debugs(33, 2, "growing request buffer: notYetUsed=" << in.notYetUsed << " size=" << in.allocatedSize); |
c8be6d7b | 2039 | } |
2040 | } | |
2041 | ||
2042 | void | |
0655fa4d | 2043 | ConnStateData::addContextToQueue(ClientSocketContext * context) |
c8be6d7b | 2044 | { |
0655fa4d | 2045 | ClientSocketContext::Pointer *S; |
62e76326 | 2046 | |
0655fa4d | 2047 | for (S = (ClientSocketContext::Pointer *) & currentobject; S->getRaw(); |
3d0ac046 | 2048 | S = &(*S)->next); |
c8be6d7b | 2049 | *S = context; |
62e76326 | 2050 | |
0655fa4d | 2051 | ++nrequests; |
c8be6d7b | 2052 | } |
2053 | ||
2054 | int | |
0655fa4d | 2055 | ConnStateData::getConcurrentRequestCount() const |
c8be6d7b | 2056 | { |
2057 | int result = 0; | |
0655fa4d | 2058 | ClientSocketContext::Pointer *T; |
62e76326 | 2059 | |
0655fa4d | 2060 | for (T = (ClientSocketContext::Pointer *) ¤tobject; |
3d0ac046 | 2061 | T->getRaw(); T = &(*T)->next, ++result); |
c8be6d7b | 2062 | return result; |
2063 | } | |
2064 | ||
2065 | int | |
1cf238db | 2066 | ConnStateData::connReadWasError(comm_err_t flag, int size, int xerrno) |
c8be6d7b | 2067 | { |
c4b7a5a9 | 2068 | if (flag != COMM_OK) { |
1cf238db | 2069 | debugs(33, 2, "connReadWasError: FD " << fd << ": got flag " << flag); |
62e76326 | 2070 | return 1; |
c4b7a5a9 | 2071 | } |
62e76326 | 2072 | |
c8be6d7b | 2073 | if (size < 0) { |
f3400a93 | 2074 | if (!ignoreErrno(xerrno)) { |
1cf238db | 2075 | debugs(33, 2, "connReadWasError: FD " << fd << ": " << xstrerr(xerrno)); |
62e76326 | 2076 | return 1; |
1cf238db | 2077 | } else if (in.notYetUsed == 0) { |
2078 | debugs(33, 2, "connReadWasError: FD " << fd << ": no data to process (" << xstrerr(xerrno) << ")"); | |
62e76326 | 2079 | } |
c8be6d7b | 2080 | } |
62e76326 | 2081 | |
c8be6d7b | 2082 | return 0; |
2083 | } | |
2084 | ||
2085 | int | |
1cf238db | 2086 | ConnStateData::connFinishedWithConn(int size) |
c8be6d7b | 2087 | { |
2088 | if (size == 0) { | |
1cf238db | 2089 | if (getConcurrentRequestCount() == 0 && in.notYetUsed == 0) { |
62e76326 | 2090 | /* no current or pending requests */ |
1cf238db | 2091 | debugs(33, 4, "connFinishedWithConn: FD " << fd << " closed"); |
62e76326 | 2092 | return 1; |
2093 | } else if (!Config.onoff.half_closed_clients) { | |
2094 | /* admin doesn't want to support half-closed client sockets */ | |
1cf238db | 2095 | debugs(33, 3, "connFinishedWithConn: FD " << fd << " aborted (half_closed_clients disabled)"); |
62e76326 | 2096 | return 1; |
2097 | } | |
c8be6d7b | 2098 | } |
62e76326 | 2099 | |
c8be6d7b | 2100 | return 0; |
2101 | } | |
2102 | ||
2103 | void | |
3b299123 | 2104 | connNoteUseOfBuffer(ConnStateData* conn, size_t byteCount) |
c8be6d7b | 2105 | { |
2106 | assert(byteCount > 0 && byteCount <= conn->in.notYetUsed); | |
2107 | conn->in.notYetUsed -= byteCount; | |
d5fa7219 | 2108 | debugs(33, 5, HERE << "conn->in.notYetUsed = " << conn->in.notYetUsed); |
c8be6d7b | 2109 | /* |
2110 | * If there is still data that will be used, | |
2111 | * move it to the beginning. | |
2112 | */ | |
62e76326 | 2113 | |
c8be6d7b | 2114 | if (conn->in.notYetUsed > 0) |
62e76326 | 2115 | xmemmove(conn->in.buf, conn->in.buf + byteCount, |
2116 | conn->in.notYetUsed); | |
c8be6d7b | 2117 | } |
2118 | ||
2119 | int | |
1cf238db | 2120 | connKeepReadingIncompleteRequest(ConnStateData * conn) |
c8be6d7b | 2121 | { |
2122 | return conn->in.notYetUsed >= Config.maxRequestHeaderSize ? 0 : 1; | |
2123 | } | |
2124 | ||
2125 | void | |
1cf238db | 2126 | connCancelIncompleteRequests(ConnStateData * conn) |
c8be6d7b | 2127 | { |
528b2c61 | 2128 | ClientSocketContext *context = parseHttpRequestAbort(conn, "error:request-too-large"); |
2129 | clientStreamNode *node = context->getClientReplyContext(); | |
c8be6d7b | 2130 | assert(!connKeepReadingIncompleteRequest(conn)); |
4a7a3d56 | 2131 | debugs(33, 1, "Request header is too large (" << conn->in.notYetUsed << " bytes)"); |
2132 | debugs(33, 1, "Config 'request_header_max_size'= " << Config.maxRequestHeaderSize << " bytes."); | |
0655fa4d | 2133 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
2134 | assert (repContext); | |
2135 | repContext->setReplyToError(ERR_TOO_BIG, | |
2136 | HTTP_REQUEST_ENTITY_TOO_LARGE, METHOD_NONE, NULL, | |
cc192b50 | 2137 | conn->peer, NULL, NULL, NULL); |
0655fa4d | 2138 | context->registerWithConn(); |
528b2c61 | 2139 | context->pullData(); |
c8be6d7b | 2140 | } |
2141 | ||
1cf238db | 2142 | void |
2143 | ConnStateData::clientMaybeReadData(int do_next_read) | |
7a2f978b | 2144 | { |
c4b7a5a9 | 2145 | if (do_next_read) { |
1cf238db | 2146 | flags.readMoreRequests = true; |
2147 | readSomeData(); | |
c4b7a5a9 | 2148 | } |
2149 | } | |
2150 | ||
1cf238db | 2151 | void |
2152 | ConnStateData::clientAfterReadingRequests(int do_next_read) | |
c4b7a5a9 | 2153 | { |
3b299123 | 2154 | /* |
2155 | * If (1) we are reading a message body, (2) and the connection | |
2156 | * is half-closed, and (3) we didn't get the entire HTTP request | |
2157 | * yet, then close this connection. | |
2158 | */ | |
62e76326 | 2159 | |
3b299123 | 2160 | if (fd_table[fd].flags.socket_eof) { |
1cf238db | 2161 | if ((int64_t)in.notYetUsed < bodySizeLeft()) { |
62e76326 | 2162 | /* Partial request received. Abort client connection! */ |
bf8fe701 | 2163 | debugs(33, 3, "clientAfterReadingRequests: FD " << fd << " aborted, partial request"); |
62e76326 | 2164 | comm_close(fd); |
2165 | return; | |
2166 | } | |
c4b7a5a9 | 2167 | } |
2168 | ||
1cf238db | 2169 | clientMaybeReadData (do_next_read); |
c4b7a5a9 | 2170 | } |
2171 | ||
c4b7a5a9 | 2172 | static void |
1cf238db | 2173 | clientProcessRequest(ConnStateData *conn, HttpParser *hp, ClientSocketContext *context, const HttpRequestMethod& method, HttpVersion http_ver) |
c4b7a5a9 | 2174 | { |
59a1efb2 | 2175 | ClientHttpRequest *http = context->http; |
190154cf | 2176 | HttpRequest *request = NULL; |
5f8252d2 | 2177 | bool notedUseOfBuffer = false; |
2178 | ||
c4b7a5a9 | 2179 | /* We have an initial client stream in place should it be needed */ |
2180 | /* setup our private context */ | |
0655fa4d | 2181 | context->registerWithConn(); |
c4b7a5a9 | 2182 | |
2183 | if (context->flags.parsed_ok == 0) { | |
62e76326 | 2184 | clientStreamNode *node = context->getClientReplyContext(); |
bf8fe701 | 2185 | debugs(33, 1, "clientProcessRequest: Invalid Request"); |
0655fa4d | 2186 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
2187 | assert (repContext); | |
cc192b50 | 2188 | repContext->setReplyToError(ERR_INVALID_REQ, HTTP_BAD_REQUEST, method, NULL, conn->peer, NULL, conn->in.buf, NULL); |
62e76326 | 2189 | assert(context->http->out.offset == 0); |
2190 | context->pullData(); | |
48962ba8 | 2191 | conn->flags.readMoreRequests = false; |
fc68f6b1 | 2192 | goto finish; |
c4b7a5a9 | 2193 | } |
2194 | ||
c21ad0f5 | 2195 | if ((request = HttpRequest::CreateFromUrlAndMethod(http->uri, method)) == NULL) { |
62e76326 | 2196 | clientStreamNode *node = context->getClientReplyContext(); |
bf8fe701 | 2197 | debugs(33, 5, "Invalid URL: " << http->uri); |
0655fa4d | 2198 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
2199 | assert (repContext); | |
cc192b50 | 2200 | repContext->setReplyToError(ERR_INVALID_URL, HTTP_BAD_REQUEST, method, http->uri, conn->peer, NULL, NULL, NULL); |
62e76326 | 2201 | assert(context->http->out.offset == 0); |
2202 | context->pullData(); | |
48962ba8 | 2203 | conn->flags.readMoreRequests = false; |
fc68f6b1 | 2204 | goto finish; |
62e76326 | 2205 | } |
c4b7a5a9 | 2206 | |
528b2c61 | 2207 | /* compile headers */ |
2208 | /* we should skip request line! */ | |
666f514b | 2209 | /* XXX should actually know the damned buffer size here */ |
a5baffba | 2210 | if (!request->parseHeader(HttpParserHdrBuf(hp), HttpParserHdrSz(hp))) { |
47ac2ebe | 2211 | clientStreamNode *node = context->getClientReplyContext(); |
bf8fe701 | 2212 | debugs(33, 5, "Failed to parse request headers:\n" << HttpParserHdrBuf(hp)); |
47ac2ebe | 2213 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
2214 | assert (repContext); | |
cc192b50 | 2215 | repContext->setReplyToError(ERR_INVALID_URL, HTTP_BAD_REQUEST, method, http->uri, conn->peer, NULL, NULL, NULL); |
47ac2ebe | 2216 | assert(context->http->out.offset == 0); |
2217 | context->pullData(); | |
48962ba8 | 2218 | conn->flags.readMoreRequests = false; |
fc68f6b1 | 2219 | goto finish; |
47ac2ebe | 2220 | } |
c4b7a5a9 | 2221 | |
2222 | request->flags.accelerated = http->flags.accel; | |
2ad20b4f AJ |
2223 | |
2224 | /** \par | |
2225 | * If transparent or interception mode is working clone the transparent and interception flags | |
2226 | * from the port settings to the request. | |
2227 | */ | |
2228 | if(IPInterceptor.InterceptActive()) { | |
2229 | request->flags.intercepted = http->flags.intercepted; | |
2230 | } | |
2231 | if(IPInterceptor.TransparentActive()) { | |
f165d2fb | 2232 | request->flags.spoof_client_ip = conn->port->spoof_client_ip; |
2ad20b4f | 2233 | } |
fc68f6b1 | 2234 | |
30abd221 | 2235 | if (internalCheck(request->urlpath.buf())) { |
cc192b50 | 2236 | if (internalHostnameIs(request->GetHost()) && |
f024c970 | 2237 | request->port == getMyPort()) { |
2238 | http->flags.internal = 1; | |
30abd221 | 2239 | } else if (Config.onoff.global_internal_static && internalStaticCheck(request->urlpath.buf())) { |
cc192b50 | 2240 | request->SetHost(internalHostname()); |
f024c970 | 2241 | request->port = getMyPort(); |
2242 | http->flags.internal = 1; | |
62e76326 | 2243 | } |
f024c970 | 2244 | } |
e72a0ec0 | 2245 | |
f024c970 | 2246 | if (http->flags.internal) { |
2247 | request->protocol = PROTO_HTTP; | |
2248 | request->login[0] = '\0'; | |
c4b7a5a9 | 2249 | } |
2250 | ||
c4b7a5a9 | 2251 | request->flags.internal = http->flags.internal; |
2252 | setLogUri (http, urlCanonicalClean(request)); | |
cc192b50 | 2253 | request->client_addr = conn->peer; |
3d674977 AJ |
2254 | #if FOLLOW_X_FORWARDED_FOR |
2255 | request->indirect_client_addr = conn->peer; | |
2256 | #endif /* FOLLOW_X_FORWARDED_FOR */ | |
cc192b50 | 2257 | request->my_addr = conn->me; |
8ae66e43 | 2258 | request->http_ver = http_ver; |
62e76326 | 2259 | |
c4b7a5a9 | 2260 | if (!urlCheckRequest(request) || |
a9925b40 | 2261 | request->header.has(HDR_TRANSFER_ENCODING)) { |
62e76326 | 2262 | clientStreamNode *node = context->getClientReplyContext(); |
0655fa4d | 2263 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
2264 | assert (repContext); | |
2265 | repContext->setReplyToError(ERR_UNSUP_REQ, | |
2266 | HTTP_NOT_IMPLEMENTED, request->method, NULL, | |
cc192b50 | 2267 | conn->peer, request, NULL, NULL); |
62e76326 | 2268 | assert(context->http->out.offset == 0); |
2269 | context->pullData(); | |
48962ba8 | 2270 | conn->flags.readMoreRequests = false; |
fc68f6b1 | 2271 | goto finish; |
c4b7a5a9 | 2272 | } |
2273 | ||
2274 | ||
2275 | if (!clientIsContentLengthValid(request)) { | |
62e76326 | 2276 | clientStreamNode *node = context->getClientReplyContext(); |
0655fa4d | 2277 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
2278 | assert (repContext); | |
2279 | repContext->setReplyToError(ERR_INVALID_REQ, | |
2280 | HTTP_LENGTH_REQUIRED, request->method, NULL, | |
cc192b50 | 2281 | conn->peer, request, NULL, NULL); |
62e76326 | 2282 | assert(context->http->out.offset == 0); |
2283 | context->pullData(); | |
48962ba8 | 2284 | conn->flags.readMoreRequests = false; |
fc68f6b1 | 2285 | goto finish; |
c4b7a5a9 | 2286 | } |
2287 | ||
6dd9f4bd | 2288 | http->request = HTTPMSGLOCK(request); |
c4b7a5a9 | 2289 | clientSetKeepaliveFlag(http); |
62e76326 | 2290 | |
b66e0e86 | 2291 | /* If this is a CONNECT, don't schedule a read - ssl.c will handle it */ |
2292 | if (http->request->method == METHOD_CONNECT) | |
2293 | context->mayUseConnection(true); | |
fc68f6b1 | 2294 | |
b66e0e86 | 2295 | /* Do we expect a request-body? */ |
2296 | if (!context->mayUseConnection() && request->content_length > 0) { | |
5f8252d2 | 2297 | request->body_pipe = conn->expectRequestBody(request->content_length); |
2298 | ||
2299 | // consume header early so that body pipe gets just the body | |
1cf238db | 2300 | connNoteUseOfBuffer(conn, http->req_sz); |
5f8252d2 | 2301 | notedUseOfBuffer = true; |
2302 | ||
2303 | conn->handleRequestBodyData(); | |
fc68f6b1 | 2304 | |
5f8252d2 | 2305 | if (!request->body_pipe->exhausted()) |
3b299123 | 2306 | conn->readSomeData(); |
2307 | ||
62e76326 | 2308 | /* Is it too large? */ |
2309 | ||
2310 | if (!clientIsRequestBodyValid(request->content_length) || | |
2311 | clientIsRequestBodyTooLargeForPolicy(request->content_length)) { | |
2312 | clientStreamNode *node = context->getClientReplyContext(); | |
0655fa4d | 2313 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
2314 | assert (repContext); | |
2315 | repContext->setReplyToError(ERR_TOO_BIG, | |
2316 | HTTP_REQUEST_ENTITY_TOO_LARGE, METHOD_NONE, NULL, | |
cc192b50 | 2317 | conn->peer, http->request, NULL, NULL); |
62e76326 | 2318 | assert(context->http->out.offset == 0); |
2319 | context->pullData(); | |
5f8252d2 | 2320 | goto finish; |
62e76326 | 2321 | } |
2322 | ||
2323 | context->mayUseConnection(true); | |
c4b7a5a9 | 2324 | } |
2325 | ||
de31d06f | 2326 | http->calloutContext = new ClientRequestContext(http); |
2327 | ||
2328 | http->doCallouts(); | |
52c2c8a8 | 2329 | |
4c29340e | 2330 | finish: |
5f8252d2 | 2331 | if (!notedUseOfBuffer) |
1cf238db | 2332 | connNoteUseOfBuffer(conn, http->req_sz); |
52c2c8a8 | 2333 | |
2334 | /* | |
2335 | * DPW 2007-05-18 | |
2336 | * Moved the TCP_RESET feature from clientReplyContext::sendMoreData | |
2337 | * to here because calling comm_reset_close() causes http to | |
2338 | * be freed and the above connNoteUseOfBuffer() would hit an | |
2339 | * assertion, not to mention that we were accessing freed memory. | |
2340 | */ | |
2341 | if (http->request->flags.resetTCP() && conn->fd > -1) { | |
2342 | debugs(33, 3, HERE << "Sending TCP RST on FD " << conn->fd); | |
2e216b1d | 2343 | conn->flags.readMoreRequests = false; |
52c2c8a8 | 2344 | comm_reset_close(conn->fd); |
2345 | return; | |
2346 | } | |
c4b7a5a9 | 2347 | } |
2348 | ||
2349 | static void | |
1cf238db | 2350 | connStripBufferWhitespace (ConnStateData * conn) |
c4b7a5a9 | 2351 | { |
2352 | while (conn->in.notYetUsed > 0 && xisspace(conn->in.buf[0])) { | |
62e76326 | 2353 | xmemmove(conn->in.buf, conn->in.buf + 1, conn->in.notYetUsed - 1); |
2354 | --conn->in.notYetUsed; | |
c4b7a5a9 | 2355 | } |
2356 | } | |
2357 | ||
2358 | static int | |
1cf238db | 2359 | connOkToAddRequest(ConnStateData * conn) |
c4b7a5a9 | 2360 | { |
0655fa4d | 2361 | int result = conn->getConcurrentRequestCount() < (Config.onoff.pipeline_prefetch ? 2 : 1); |
62e76326 | 2362 | |
c4b7a5a9 | 2363 | if (!result) { |
bf8fe701 | 2364 | debugs(33, 3, "connOkToAddRequest: FD " << conn->fd << |
2365 | " max concurrent requests reached"); | |
2366 | debugs(33, 5, "connOkToAddRequest: FD " << conn->fd << | |
2367 | " defering new request until one is done"); | |
c4b7a5a9 | 2368 | } |
62e76326 | 2369 | |
c4b7a5a9 | 2370 | return result; |
2371 | } | |
2372 | ||
63be0a78 | 2373 | /** |
3b299123 | 2374 | * bodySizeLeft |
2375 | * | |
2376 | * Report on the number of bytes of body content that we | |
2377 | * know are yet to be read on this connection. | |
2378 | */ | |
3e62bd58 | 2379 | int64_t |
3b299123 | 2380 | ConnStateData::bodySizeLeft() |
2381 | { | |
5f8252d2 | 2382 | // XXX: this logic will not work for chunked requests with unknown sizes |
fc68f6b1 | 2383 | |
5f8252d2 | 2384 | if (bodyPipe != NULL) |
2385 | return bodyPipe->unproducedSize(); | |
3b299123 | 2386 | |
2387 | return 0; | |
2388 | } | |
2389 | ||
63be0a78 | 2390 | /** |
f900210a | 2391 | * Attempt to parse one or more requests from the input buffer. |
2392 | * If a request is successfully parsed, even if the next request | |
2393 | * is only partially parsed, it will return TRUE. | |
2394 | * do_next_read is updated to indicate whether a read should be | |
2395 | * scheduled. | |
2396 | */ | |
2397 | static bool | |
1cf238db | 2398 | clientParseRequest(ConnStateData * conn, bool &do_next_read) |
f900210a | 2399 | { |
60745f24 | 2400 | HttpRequestMethod method; |
f900210a | 2401 | ClientSocketContext *context; |
2402 | bool parsed_req = false; | |
8ae66e43 | 2403 | HttpVersion http_ver; |
a5baffba | 2404 | HttpParser hp; |
f900210a | 2405 | |
bf8fe701 | 2406 | debugs(33, 5, "clientParseRequest: FD " << conn->fd << ": attempting to parse"); |
f900210a | 2407 | |
3b299123 | 2408 | while (conn->in.notYetUsed > 0 && conn->bodySizeLeft() == 0) { |
f900210a | 2409 | connStripBufferWhitespace (conn); |
2410 | ||
fc68f6b1 | 2411 | /* Don't try to parse if the buffer is empty */ |
2412 | ||
2413 | if (conn->in.notYetUsed == 0) | |
2414 | break; | |
4681057e | 2415 | |
f900210a | 2416 | /* Limit the number of concurrent requests to 2 */ |
2417 | ||
2418 | if (!connOkToAddRequest(conn)) { | |
2419 | break; | |
2420 | } | |
2421 | ||
2422 | /* Should not be needed anymore */ | |
2423 | /* Terminate the string */ | |
2424 | conn->in.buf[conn->in.notYetUsed] = '\0'; | |
2425 | ||
fc68f6b1 | 2426 | /* Begin the parsing */ |
2427 | HttpParserInit(&hp, conn->in.buf, conn->in.notYetUsed); | |
a5baffba | 2428 | |
f900210a | 2429 | /* Process request */ |
fc68f6b1 | 2430 | PROF_start(parseHttpRequest); |
2431 | ||
a5baffba | 2432 | context = parseHttpRequest(conn, &hp, &method, &http_ver); |
fc68f6b1 | 2433 | |
2434 | PROF_stop(parseHttpRequest); | |
f900210a | 2435 | |
2436 | /* partial or incomplete request */ | |
2437 | if (!context) { | |
f900210a | 2438 | |
2439 | if (!connKeepReadingIncompleteRequest(conn)) | |
2440 | connCancelIncompleteRequests(conn); | |
2441 | ||
2442 | break; | |
2443 | } | |
2444 | ||
2445 | /* status -1 or 1 */ | |
2446 | if (context) { | |
bf8fe701 | 2447 | debugs(33, 5, "clientParseRequest: FD " << conn->fd << ": parsed a request"); |
f900210a | 2448 | commSetTimeout(conn->fd, Config.Timeout.lifetime, clientLifetimeTimeout, |
2449 | context->http); | |
2450 | ||
a5baffba | 2451 | clientProcessRequest(conn, &hp, context, method, http_ver); |
f900210a | 2452 | |
f900210a | 2453 | parsed_req = true; |
2454 | ||
2455 | if (context->mayUseConnection()) { | |
bf8fe701 | 2456 | debugs(33, 3, "clientParseRequest: Not reading, as this request may need the connection"); |
f900210a | 2457 | do_next_read = 0; |
2458 | break; | |
2459 | } | |
2460 | ||
2461 | if (!conn->flags.readMoreRequests) { | |
48962ba8 | 2462 | conn->flags.readMoreRequests = true; |
f900210a | 2463 | break; |
2464 | } | |
2465 | ||
3b299123 | 2466 | continue; /* while offset > 0 && conn->bodySizeLeft() == 0 */ |
f900210a | 2467 | } |
3b299123 | 2468 | } /* while offset > 0 && conn->bodySizeLeft() == 0 */ |
fc68f6b1 | 2469 | |
a5baffba | 2470 | /* XXX where to 'finish' the parsing pass? */ |
f900210a | 2471 | |
2472 | return parsed_req; | |
2473 | } | |
2474 | ||
1cf238db | 2475 | void |
2476 | ConnStateData::clientReadRequest(const CommIoCbParams &io) | |
c4b7a5a9 | 2477 | { |
1cf238db | 2478 | debugs(33,5,HERE << "clientReadRequest FD " << io.fd << " size " << io.size); |
2479 | reading(false); | |
a46d2c0e | 2480 | bool do_next_read = 1; /* the default _is_ to read data! - adrian */ |
c4b7a5a9 | 2481 | |
1cf238db | 2482 | assert (io.fd == fd); |
c4b7a5a9 | 2483 | |
2484 | /* Bail out quickly on COMM_ERR_CLOSING - close handlers will tidy up */ | |
62e76326 | 2485 | |
1cf238db | 2486 | if (io.flag == COMM_ERR_CLOSING) { |
cc192b50 | 2487 | debugs(33,5, HERE << " FD " << fd << " closing Bailout."); |
c4b7a5a9 | 2488 | return; |
2489 | } | |
62e76326 | 2490 | |
44db45e8 | 2491 | /* |
2492 | * Don't reset the timeout value here. The timeout value will be | |
2493 | * set to Config.Timeout.request by httpAccept() and | |
2494 | * clientWriteComplete(), and should apply to the request as a | |
2495 | * whole, not individual read() calls. Plus, it breaks our | |
2496 | * lame half-close detection | |
2497 | */ | |
1cf238db | 2498 | if (connReadWasError(io.flag, io.size, io.xerrno)) { |
62e76326 | 2499 | comm_close(fd); |
2500 | return; | |
7a2f978b | 2501 | } |
c4b7a5a9 | 2502 | |
1cf238db | 2503 | if (io.flag == COMM_OK) { |
2504 | if (io.size > 0) { | |
2505 | kb_incr(&statCounter.client_http.kbytes_in, io.size); | |
3b299123 | 2506 | |
1cf238db | 2507 | handleReadData(io.buf, io.size); |
95ac44e6 | 2508 | |
a31a78fb | 2509 | /* The above may close the connection under our feets */ |
1cf238db | 2510 | if (!isOpen()) |
a31a78fb | 2511 | return; |
2512 | ||
1cf238db | 2513 | } else if (io.size == 0) { |
bf8fe701 | 2514 | debugs(33, 5, "clientReadRequest: FD " << fd << " closed?"); |
62e76326 | 2515 | |
1cf238db | 2516 | if (connFinishedWithConn(io.size)) { |
62e76326 | 2517 | comm_close(fd); |
2518 | return; | |
2519 | } | |
2520 | ||
2521 | /* It might be half-closed, we can't tell */ | |
2522 | fd_table[fd].flags.socket_eof = 1; | |
2523 | ||
a46d2c0e | 2524 | commMarkHalfClosed(fd); |
2525 | ||
2526 | do_next_read = 0; | |
62e76326 | 2527 | |
2528 | fd_note(fd, "half-closed"); | |
2529 | ||
2530 | /* There is one more close check at the end, to detect aborted | |
2531 | * (partial) requests. At this point we can't tell if the request | |
2532 | * is partial. | |
2533 | */ | |
2534 | /* Continue to process previously read data */ | |
2535 | } | |
c4b7a5a9 | 2536 | } |
2537 | ||
94439e4e | 2538 | /* Process next request */ |
1cf238db | 2539 | if (getConcurrentRequestCount() == 0) |
2540 | fd_note(fd, "Reading next request"); | |
c8be6d7b | 2541 | |
1cf238db | 2542 | if (! clientParseRequest(this, do_next_read)) { |
2543 | if (!isOpen()) | |
a31a78fb | 2544 | return; |
f900210a | 2545 | /* |
2546 | * If the client here is half closed and we failed | |
2547 | * to parse a request, close the connection. | |
2548 | * The above check with connFinishedWithConn() only | |
2549 | * succeeds _if_ the buffer is empty which it won't | |
2550 | * be if we have an incomplete request. | |
2551 | */ | |
1cf238db | 2552 | if (getConcurrentRequestCount() == 0 && commIsHalfClosed(fd)) { |
bf8fe701 | 2553 | debugs(33, 5, "clientReadRequest: FD " << fd << ": half-closed connection, no completed request parsed, connection closing."); |
f900210a | 2554 | comm_close(fd); |
ee6f0213 | 2555 | return; |
62e76326 | 2556 | } |
f900210a | 2557 | } |
ee6f0213 | 2558 | |
1cf238db | 2559 | if (!isOpen()) |
2e216b1d | 2560 | return; |
2561 | ||
1cf238db | 2562 | clientAfterReadingRequests(do_next_read); |
94439e4e | 2563 | } |
2564 | ||
63be0a78 | 2565 | /** |
2566 | * called when new request data has been read from the socket | |
2567 | */ | |
5f8252d2 | 2568 | void |
2569 | ConnStateData::handleReadData(char *buf, size_t size) | |
94439e4e | 2570 | { |
5f8252d2 | 2571 | char *current_buf = in.addressToReadInto(); |
62e76326 | 2572 | |
5f8252d2 | 2573 | if (buf != current_buf) |
2574 | xmemmove(current_buf, buf, size); | |
3b299123 | 2575 | |
5f8252d2 | 2576 | in.notYetUsed += size; |
fc68f6b1 | 2577 | |
5f8252d2 | 2578 | in.buf[in.notYetUsed] = '\0'; /* Terminate the string */ |
3b299123 | 2579 | |
5f8252d2 | 2580 | // if we are reading a body, stuff data into the body pipe |
2581 | if (bodyPipe != NULL) | |
2582 | handleRequestBodyData(); | |
94439e4e | 2583 | } |
2584 | ||
63be0a78 | 2585 | /** |
2586 | * called when new request body data has been buffered in in.buf | |
2587 | * may close the connection if we were closing and piped everything out | |
2588 | */ | |
5f8252d2 | 2589 | void |
2590 | ConnStateData::handleRequestBodyData() | |
94439e4e | 2591 | { |
5f8252d2 | 2592 | assert(bodyPipe != NULL); |
2593 | ||
2594 | if (const size_t putSize = bodyPipe->putMoreData(in.buf, in.notYetUsed)) | |
2595 | connNoteUseOfBuffer(this, putSize); | |
2596 | ||
2597 | if (!bodyPipe->mayNeedMoreData()) { | |
2598 | // BodyPipe will clear us automagically when we produced everything | |
2599 | bodyPipe = NULL; | |
2600 | ||
2601 | debugs(33,5, HERE << "produced entire request body for FD " << fd); | |
62e76326 | 2602 | |
5f8252d2 | 2603 | if (closing()) { |
2604 | /* we've finished reading like good clients, | |
2605 | * now do the close that initiateClose initiated. | |
2606 | * | |
2607 | * XXX: do we have to close? why not check keepalive et. | |
2608 | * | |
2609 | * XXX: To support chunked requests safely, we need to handle | |
2610 | * the case of an endless request. This if-statement does not, | |
2611 | * because mayNeedMoreData is true if request size is not known. | |
2612 | */ | |
2613 | comm_close(fd); | |
2614 | } | |
94439e4e | 2615 | } |
5f8252d2 | 2616 | } |
55e44db9 | 2617 | |
5f8252d2 | 2618 | void |
1cf238db | 2619 | ConnStateData::noteMoreBodySpaceAvailable(BodyPipe::Pointer ) |
5f8252d2 | 2620 | { |
2621 | handleRequestBodyData(); | |
2622 | } | |
2623 | ||
2624 | void | |
1cf238db | 2625 | ConnStateData::noteBodyConsumerAborted(BodyPipe::Pointer ) |
5f8252d2 | 2626 | { |
2627 | if (!closing()) | |
2628 | startClosing("body consumer aborted"); | |
94439e4e | 2629 | } |
2630 | ||
63be0a78 | 2631 | /** general lifetime handler for HTTP requests */ |
1cf238db | 2632 | void |
2633 | ConnStateData::requestTimeout(const CommTimeoutCbParams &io) | |
7a2f978b | 2634 | { |
ad63ceea | 2635 | #if THIS_CONFUSES_PERSISTENT_CONNECTION_AWARE_BROWSERS_AND_USERS |
1cf238db | 2636 | debugs(33, 3, "requestTimeout: FD " << io.fd << ": lifetime is expired."); |
62e76326 | 2637 | |
1cf238db | 2638 | if (COMMIO_FD_WRITECB(io.fd)->active) { |
dec5db5d | 2639 | /* FIXME: If this code is reinstated, check the conn counters, |
2640 | * not the fd table state | |
2641 | */ | |
62e76326 | 2642 | /* |
2643 | * Some data has been sent to the client, just close the FD | |
2644 | */ | |
1cf238db | 2645 | comm_close(io.fd); |
2646 | } else if (nrequests) { | |
62e76326 | 2647 | /* |
2648 | * assume its a persistent connection; just close it | |
2649 | */ | |
1cf238db | 2650 | comm_close(io.fd); |
7a2f978b | 2651 | } else { |
62e76326 | 2652 | /* |
2653 | * Generate an error | |
2654 | */ | |
59a1efb2 | 2655 | ClientHttpRequest **H; |
62e76326 | 2656 | clientStreamNode *node; |
59a1efb2 | 2657 | ClientHttpRequest *http = |
1cf238db | 2658 | parseHttpRequestAbort(this, "error:Connection%20lifetime%20expired"); |
62e76326 | 2659 | node = http->client_stream.tail->prev->data; |
0655fa4d | 2660 | clientReplyContext *repContext = dynamic_cast<clientReplyContext *>(node->data.getRaw()); |
2661 | assert (repContext); | |
2662 | repContext->setReplyToError(ERR_LIFETIME_EXP, | |
1cf238db | 2663 | HTTP_REQUEST_TIMEOUT, METHOD_NONE, "N/A", &peer.sin_addr, |
0655fa4d | 2664 | NULL, NULL, NULL); |
62e76326 | 2665 | /* No requests can be outstanded */ |
1cf238db | 2666 | assert(chr == NULL); |
62e76326 | 2667 | /* add to the client request queue */ |
2668 | ||
3d0ac046 | 2669 | for (H = &chr; *H; H = &(*H)->next); |
62e76326 | 2670 | *H = http; |
2671 | ||
2672 | clientStreamRead(http->client_stream.tail->data, http, 0, | |
2673 | HTTP_REQBUF_SZ, context->reqbuf); | |
2674 | ||
2675 | /* | |
2676 | * if we don't close() here, we still need a timeout handler! | |
2677 | */ | |
1cf238db | 2678 | typedef CommCbMemFunT<ConnStateData, CommTimeoutCbParams> TimeoutDialer; |
2679 | AsyncCall::Pointer timeoutCall = asyncCall(33, 5, "ConnStateData::requestTimeout", | |
2680 | TimeoutDialer(this,&ConnStateData::requestTimeout)); | |
2681 | commSetTimeout(io.fd, 30, timeoutCall); | |
62e76326 | 2682 | |
2683 | /* | |
2684 | * Aha, but we don't want a read handler! | |
2685 | */ | |
1cf238db | 2686 | commSetSelect(io.fd, COMM_SELECT_READ, NULL, NULL, 0); |
7a2f978b | 2687 | } |
62e76326 | 2688 | |
af57a2e3 | 2689 | #else |
2690 | /* | |
62e76326 | 2691 | * Just close the connection to not confuse browsers |
2692 | * using persistent connections. Some browsers opens | |
2693 | * an connection and then does not use it until much | |
2694 | * later (presumeably because the request triggering | |
2695 | * the open has already been completed on another | |
2696 | * connection) | |
2697 | */ | |
1cf238db | 2698 | debugs(33, 3, "requestTimeout: FD " << io.fd << ": lifetime is expired."); |
62e76326 | 2699 | |
1cf238db | 2700 | comm_close(io.fd); |
62e76326 | 2701 | |
af57a2e3 | 2702 | #endif |
7a2f978b | 2703 | } |
2704 | ||
1cf238db | 2705 | |
2706 | ||
b5c39993 | 2707 | static void |
2708 | clientLifetimeTimeout(int fd, void *data) | |
2709 | { | |
59a1efb2 | 2710 | ClientHttpRequest *http = (ClientHttpRequest *)data; |
cc192b50 | 2711 | debugs(33, 1, "WARNING: Closing client " << http->getConn()->peer << " connection due to lifetime timeout"); |
bf8fe701 | 2712 | debugs(33, 1, "\t" << http->uri); |
b5c39993 | 2713 | comm_close(fd); |
2714 | } | |
2715 | ||
a46d2c0e | 2716 | static bool |
2717 | okToAccept() | |
7a2f978b | 2718 | { |
3d6629c6 | 2719 | static time_t last_warn = 0; |
62e76326 | 2720 | |
3d6629c6 | 2721 | if (fdNFree() >= RESERVED_FD) |
a46d2c0e | 2722 | return true; |
62e76326 | 2723 | |
3d6629c6 | 2724 | if (last_warn + 15 < squid_curtime) { |
aefecdd3 | 2725 | debugs(33, 0, HERE << "WARNING! Your cache is running out of filedescriptors"); |
62e76326 | 2726 | last_warn = squid_curtime; |
3d6629c6 | 2727 | } |
62e76326 | 2728 | |
a46d2c0e | 2729 | return false; |
7a2f978b | 2730 | } |
2731 | ||
c8be6d7b | 2732 | ConnStateData * |
cc192b50 | 2733 | connStateCreate(const IPAddress &peer, const IPAddress &me, int fd, http_port_list *port) |
c8be6d7b | 2734 | { |
a46d2c0e | 2735 | ConnStateData *result = new ConnStateData; |
2ad20b4f | 2736 | |
cc192b50 | 2737 | result->peer = peer; |
2738 | result->log_addr = peer; | |
2739 | result->log_addr.ApplyMask(Config.Addrs.client_netmask.GetCIDR()); | |
2740 | result->me = me; | |
c8be6d7b | 2741 | result->fd = fd; |
e6ccf245 | 2742 | result->in.buf = (char *)memAllocBuf(CLIENT_REQ_BUF_SZ, &result->in.allocatedSize); |
3f38a55e | 2743 | result->port = cbdataReference(port); |
62e76326 | 2744 | |
f165d2fb | 2745 | if(port->intercepted || port->spoof_client_ip) { |
cc192b50 | 2746 | IPAddress dst; |
62e76326 | 2747 | |
27d05804 | 2748 | if (IPInterceptor.NatLookup(fd, me, peer, dst) == 0) { |
c303f6e3 | 2749 | result->me = dst; /* XXX This should be moved to another field */ |
a46d2c0e | 2750 | result->transparent(true); |
62e76326 | 2751 | } |
3f38a55e | 2752 | } |
62e76326 | 2753 | |
5529ca8a | 2754 | if (port->disable_pmtu_discovery != DISABLE_PMTU_OFF && |
2755 | (result->transparent() || port->disable_pmtu_discovery == DISABLE_PMTU_ALWAYS)) | |
2756 | { | |
2757 | #if defined(IP_MTU_DISCOVER) && defined(IP_PMTUDISC_DONT) | |
2758 | int i = IP_PMTUDISC_DONT; | |
2759 | setsockopt(fd, SOL_IP, IP_MTU_DISCOVER, &i, sizeof i); | |
2760 | ||
2761 | #else | |
2762 | ||
2763 | static int reported = 0; | |
2764 | ||
2765 | if (!reported) { | |
bf8fe701 | 2766 | debugs(33, 1, "Notice: httpd_accel_no_pmtu_disc not supported on your platform"); |
5529ca8a | 2767 | reported = 1; |
2768 | } | |
2769 | ||
2770 | #endif | |
2771 | ||
2772 | } | |
2773 | ||
48962ba8 | 2774 | result->flags.readMoreRequests = true; |
c8be6d7b | 2775 | return result; |
2776 | } | |
2777 | ||
63be0a78 | 2778 | /** Handle a new connection on HTTP socket. */ |
7a2f978b | 2779 | void |
ee0989f2 | 2780 | httpAccept(int sock, int newfd, ConnectionDetail *details, |
62e76326 | 2781 | comm_err_t flag, int xerrno, void *data) |
7a2f978b | 2782 | { |
3f38a55e | 2783 | http_port_list *s = (http_port_list *)data; |
7a2f978b | 2784 | ConnStateData *connState = NULL; |
02d1422b | 2785 | |
2786 | if (flag == COMM_ERR_CLOSING) { | |
2787 | return; | |
2788 | } | |
2789 | ||
a46d2c0e | 2790 | if (!okToAccept()) |
2791 | AcceptLimiter::Instance().defer (sock, httpAccept, data); | |
2792 | else | |
2793 | /* kick off another one for later */ | |
2794 | comm_accept(sock, httpAccept, data); | |
c4b7a5a9 | 2795 | |
62e76326 | 2796 | if (flag != COMM_OK) { |
bf8fe701 | 2797 | debugs(33, 1, "httpAccept: FD " << sock << ": accept failure: " << xstrerr(xerrno)); |
62e76326 | 2798 | return; |
2799 | } | |
2800 | ||
bf8fe701 | 2801 | debugs(33, 4, "httpAccept: FD " << newfd << ": accepted"); |
62e76326 | 2802 | fd_note(newfd, "client http connect"); |
1cf238db | 2803 | connState = connStateCreate(&details->peer, &details->me, newfd, s); |
2804 | ||
2805 | typedef CommCbMemFunT<ConnStateData, CommCloseCbParams> Dialer; | |
2806 | AsyncCall::Pointer call = asyncCall(33, 5, "ConnStateData::connStateClosed", | |
2807 | Dialer(connState, &ConnStateData::connStateClosed)); | |
2808 | comm_add_close_handler(newfd, call); | |
62e76326 | 2809 | |
2810 | if (Config.onoff.log_fqdn) | |
cc192b50 | 2811 | fqdncache_gethostbyaddr(details->peer, FQDN_LOOKUP_IF_MISS); |
62e76326 | 2812 | |
1cf238db | 2813 | typedef CommCbMemFunT<ConnStateData, CommTimeoutCbParams> TimeoutDialer; |
2814 | AsyncCall::Pointer timeoutCall = asyncCall(33, 5, "ConnStateData::requestTimeout", | |
2815 | TimeoutDialer(connState,&ConnStateData::requestTimeout)); | |
2816 | commSetTimeout(newfd, Config.Timeout.read, timeoutCall); | |
62e76326 | 2817 | |
3898f57f | 2818 | #if USE_IDENT |
62e76326 | 2819 | |
2820 | ACLChecklist identChecklist; | |
2821 | ||
cc192b50 | 2822 | identChecklist.src_addr = details->peer; |
62e76326 | 2823 | |
cc192b50 | 2824 | identChecklist.my_addr = details->me; |
62e76326 | 2825 | |
506768d9 | 2826 | identChecklist.accessList = cbdataReference(Config.accessList.identLookup); |
b448c119 | 2827 | |
108d65b2 | 2828 | /* cbdataReferenceDone() happens in either fastCheck() or ~ACLCheckList */ |
2829 | ||
b448c119 | 2830 | if (identChecklist.fastCheck()) |
cc192b50 | 2831 | identStart(details->me, details->peer, clientIdentDone, connState); |
b448c119 | 2832 | |
3898f57f | 2833 | #endif |
62e76326 | 2834 | |
b2130d58 | 2835 | if (s->tcp_keepalive.enabled) { |
2836 | commSetTcpKeepalive(newfd, s->tcp_keepalive.idle, s->tcp_keepalive.interval, s->tcp_keepalive.timeout); | |
2837 | } | |
2838 | ||
a46d2c0e | 2839 | connState->readSomeData(); |
62e76326 | 2840 | |
cc192b50 | 2841 | clientdbEstablished(details->peer, 1); |
62e76326 | 2842 | |
2843 | incoming_sockets_accepted++; | |
7a2f978b | 2844 | } |
2845 | ||
1f7c9178 | 2846 | #if USE_SSL |
2847 | ||
63be0a78 | 2848 | /** Create SSL connection structure and update fd_table */ |
ae7ff0b8 | 2849 | static SSL * |
2850 | httpsCreate(int newfd, ConnectionDetail *details, SSL_CTX *sslContext) | |
2851 | { | |
2852 | SSL *ssl = SSL_new(sslContext); | |
2853 | ||
2854 | if (!ssl) { | |
2855 | const int ssl_error = ERR_get_error(); | |
2856 | debugs(83, 1, "httpsAccept: Error allocating handle: " << ERR_error_string(ssl_error, NULL) ); | |
2857 | comm_close(newfd); | |
2858 | return NULL; | |
2859 | } | |
2860 | ||
2861 | SSL_set_fd(ssl, newfd); | |
2862 | fd_table[newfd].ssl = ssl; | |
2863 | fd_table[newfd].read_method = &ssl_read_method; | |
2864 | fd_table[newfd].write_method = &ssl_write_method; | |
2865 | ||
2866 | debugs(33, 5, "httpsCreate: will negotate SSL on FD " << newfd); | |
2867 | fd_note(newfd, "client https start"); | |
2868 | ||
2869 | return ssl; | |
2870 | } | |
2871 | ||
63be0a78 | 2872 | /** negotiate an SSL connection */ |
1f7c9178 | 2873 | static void |
2874 | clientNegotiateSSL(int fd, void *data) | |
2875 | { | |
e6ccf245 | 2876 | ConnStateData *conn = (ConnStateData *)data; |
1f7c9178 | 2877 | X509 *client_cert; |
a7ad6e4e | 2878 | SSL *ssl = fd_table[fd].ssl; |
1f7c9178 | 2879 | int ret; |
2880 | ||
a7ad6e4e | 2881 | if ((ret = SSL_accept(ssl)) <= 0) { |
62e76326 | 2882 | int ssl_error = SSL_get_error(ssl, ret); |
2883 | ||
2884 | switch (ssl_error) { | |
2885 | ||
2886 | case SSL_ERROR_WANT_READ: | |
2887 | commSetSelect(fd, COMM_SELECT_READ, clientNegotiateSSL, conn, 0); | |
2888 | return; | |
2889 | ||
2890 | case SSL_ERROR_WANT_WRITE: | |
2891 | commSetSelect(fd, COMM_SELECT_WRITE, clientNegotiateSSL, conn, 0); | |
2892 | return; | |
2893 | ||
6de9e64b | 2894 | case SSL_ERROR_SYSCALL: |
2895 | ||
2896 | if (ret == 0) { | |
bf8fe701 | 2897 | debugs(83, 2, "clientNegotiateSSL: Error negotiating SSL connection on FD " << fd << ": Aborted by client"); |
6de9e64b | 2898 | comm_close(fd); |
2899 | return; | |
2900 | } else { | |
2901 | int hard = 1; | |
2902 | ||
2903 | if (errno == ECONNRESET) | |
2904 | hard = 0; | |
2905 | ||
bf8fe701 | 2906 | debugs(83, hard ? 1 : 2, "clientNegotiateSSL: Error negotiating SSL connection on FD " << |
2907 | fd << ": " << strerror(errno) << " (" << errno << ")"); | |
6de9e64b | 2908 | |
2909 | comm_close(fd); | |
2910 | ||
2911 | return; | |
2912 | } | |
2913 | ||
2914 | case SSL_ERROR_ZERO_RETURN: | |
bf8fe701 | 2915 | debugs(83, 1, "clientNegotiateSSL: Error negotiating SSL connection on FD " << fd << ": Closed by client"); |
6de9e64b | 2916 | comm_close(fd); |
2917 | return; | |
2918 | ||
62e76326 | 2919 | default: |
bf8fe701 | 2920 | debugs(83, 1, "clientNegotiateSSL: Error negotiating SSL connection on FD " << |
2921 | fd << ": " << ERR_error_string(ERR_get_error(), NULL) << | |
2922 | " (" << ssl_error << "/" << ret << ")"); | |
62e76326 | 2923 | comm_close(fd); |
2924 | return; | |
2925 | } | |
2926 | ||
2927 | /* NOTREACHED */ | |
1f7c9178 | 2928 | } |
62e76326 | 2929 | |
6de9e64b | 2930 | if (SSL_session_reused(ssl)) { |
bf8fe701 | 2931 | debugs(83, 2, "clientNegotiateSSL: Session " << SSL_get_session(ssl) << |
2932 | " reused on FD " << fd << " (" << fd_table[fd].ipaddr << ":" << (int)fd_table[fd].remote_port << ")"); | |
6de9e64b | 2933 | } else { |
2934 | if (do_debug(83, 4)) { | |
2935 | /* Write out the SSL session details.. actually the call below, but | |
2936 | * OpenSSL headers do strange typecasts confusing GCC.. */ | |
2937 | /* PEM_write_SSL_SESSION(debug_log, SSL_get_session(ssl)); */ | |
afdd443f | 2938 | #if defined(OPENSSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x00908000L |
9f3de01a | 2939 | PEM_ASN1_write((i2d_of_void *)i2d_SSL_SESSION, PEM_STRING_SSL_SESSION, debug_log, (char *)SSL_get_session(ssl), NULL,NULL,0,NULL,NULL); |
2930f303 | 2940 | |
0fd2205b | 2941 | #elif (ALLOW_ALWAYS_SSL_SESSION_DETAIL == 1) |
2930f303 | 2942 | |
0fd2205b | 2943 | /* When using gcc 3.3.x and OpenSSL 0.9.7x sometimes a compile error can occur here. |
2944 | * This is caused by an unpredicatble gcc behaviour on a cast of the first argument | |
2945 | * of PEM_ASN1_write(). For this reason this code section is disabled. To enable it, | |
2946 | * define ALLOW_ALWAYS_SSL_SESSION_DETAIL=1. | |
2947 | * Because there are two possible usable cast, if you get an error here, try the other | |
2948 | * commented line. */ | |
2949 | ||
2950 | PEM_ASN1_write((int(*)())i2d_SSL_SESSION, PEM_STRING_SSL_SESSION, debug_log, (char *)SSL_get_session(ssl), NULL,NULL,0,NULL,NULL); | |
2951 | /* PEM_ASN1_write((int(*)(...))i2d_SSL_SESSION, PEM_STRING_SSL_SESSION, debug_log, (char *)SSL_get_session(ssl), NULL,NULL,0,NULL,NULL); */ | |
2930f303 | 2952 | |
0e33d58c | 2953 | #else |
2954 | ||
bf8fe701 | 2955 | debugs(83, 4, "With " OPENSSL_VERSION_TEXT ", session details are available only defining ALLOW_ALWAYS_SSL_SESSION_DETAIL=1 in the source." ); |
0fd2205b | 2956 | |
0e33d58c | 2957 | #endif |
6de9e64b | 2958 | /* Note: This does not automatically fflush the log file.. */ |
2959 | } | |
2960 | ||
bf8fe701 | 2961 | debugs(83, 2, "clientNegotiateSSL: New session " << |
2962 | SSL_get_session(ssl) << " on FD " << fd << " (" << | |
2963 | fd_table[fd].ipaddr << ":" << (int)fd_table[fd].remote_port << | |
2964 | ")"); | |
6de9e64b | 2965 | } |
2966 | ||
bf8fe701 | 2967 | debugs(83, 3, "clientNegotiateSSL: FD " << fd << " negotiated cipher " << |
2968 | SSL_get_cipher(ssl)); | |
1f7c9178 | 2969 | |
6de9e64b | 2970 | client_cert = SSL_get_peer_certificate(ssl); |
62e76326 | 2971 | |
1f7c9178 | 2972 | if (client_cert != NULL) { |
bf8fe701 | 2973 | debugs(83, 3, "clientNegotiateSSL: FD " << fd << |
2974 | " client certificate: subject: " << | |
2975 | X509_NAME_oneline(X509_get_subject_name(client_cert), 0, 0)); | |
2976 | ||
2977 | debugs(83, 3, "clientNegotiateSSL: FD " << fd << | |
2978 | " client certificate: issuer: " << | |
2979 | X509_NAME_oneline(X509_get_issuer_name(client_cert), 0, 0)); | |
1f7c9178 | 2980 | |
1f7c9178 | 2981 | |
62e76326 | 2982 | X509_free(client_cert); |
1f7c9178 | 2983 | } else { |
bf8fe701 | 2984 | debugs(83, 5, "clientNegotiateSSL: FD " << fd << |
2985 | " has no certificate."); | |
1f7c9178 | 2986 | } |
2987 | ||
a46d2c0e | 2988 | conn->readSomeData(); |
1f7c9178 | 2989 | } |
2990 | ||
63be0a78 | 2991 | /** handle a new HTTPS connection */ |
1f7c9178 | 2992 | static void |
15595aab | 2993 | httpsAccept(int sock, int newfd, ConnectionDetail *details, |
62e76326 | 2994 | comm_err_t flag, int xerrno, void *data) |
1f7c9178 | 2995 | { |
3f38a55e | 2996 | https_port_list *s = (https_port_list *)data; |
2997 | SSL_CTX *sslContext = s->sslContext; | |
c4b7a5a9 | 2998 | |
02d1422b | 2999 | if (flag == COMM_ERR_CLOSING) { |
3000 | return; | |
3001 | } | |
3002 | ||
a46d2c0e | 3003 | if (!okToAccept()) |
3004 | AcceptLimiter::Instance().defer (sock, httpsAccept, data); | |
3005 | else | |
3006 | /* kick off another one for later */ | |
3007 | comm_accept(sock, httpsAccept, data); | |
3008 | ||
c4b7a5a9 | 3009 | if (flag != COMM_OK) { |
62e76326 | 3010 | errno = xerrno; |
bf8fe701 | 3011 | debugs(33, 1, "httpsAccept: FD " << sock << ": accept failure: " << xstrerr(xerrno)); |
62e76326 | 3012 | return; |
c4b7a5a9 | 3013 | } |
62e76326 | 3014 | |
ae7ff0b8 | 3015 | SSL *ssl = NULL; |
3016 | if (!(ssl = httpsCreate(newfd, details, sslContext))) | |
62e76326 | 3017 | return; |
94c3d66f | 3018 | |
1cf238db | 3019 | debugs(33, 5, "httpsAccept: FD " << newfd << " accepted, starting SSL negotiation."); |
3020 | fd_note(newfd, "client https connect"); | |
ae7ff0b8 | 3021 | ConnStateData *connState = connStateCreate(details->peer, details->me, |
3022 | newfd, &s->http); | |
1cf238db | 3023 | typedef CommCbMemFunT<ConnStateData, CommCloseCbParams> Dialer; |
3024 | AsyncCall::Pointer call = asyncCall(33, 5, "ConnStateData::connStateClosed", | |
3025 | Dialer(connState, &ConnStateData::connStateClosed)); | |
3026 | comm_add_close_handler(newfd, call); | |
62e76326 | 3027 | |
c4b7a5a9 | 3028 | if (Config.onoff.log_fqdn) |
cc192b50 | 3029 | fqdncache_gethostbyaddr(details->peer, FQDN_LOOKUP_IF_MISS); |
62e76326 | 3030 | |
1cf238db | 3031 | typedef CommCbMemFunT<ConnStateData, CommTimeoutCbParams> TimeoutDialer; |
3032 | AsyncCall::Pointer timeoutCall = asyncCall(33, 5, "ConnStateData::requestTimeout", | |
3033 | TimeoutDialer(connState,&ConnStateData::requestTimeout)); | |
3034 | commSetTimeout(newfd, Config.Timeout.request, timeoutCall); | |
62e76326 | 3035 | |
1f7c9178 | 3036 | #if USE_IDENT |
62e76326 | 3037 | |
8000a965 | 3038 | ACLChecklist identChecklist; |
62e76326 | 3039 | |
cc192b50 | 3040 | identChecklist.src_addr = details->peer; |
62e76326 | 3041 | |
cc192b50 | 3042 | identChecklist.my_addr = details->me; |
62e76326 | 3043 | |
506768d9 | 3044 | identChecklist.accessList = cbdataReference(Config.accessList.identLookup); |
010af6e6 | 3045 | |
108d65b2 | 3046 | /* cbdataReferenceDone() happens in either fastCheck() or ~ACLCheckList */ |
3047 | ||
010af6e6 | 3048 | if (identChecklist.fastCheck()) |
cc192b50 | 3049 | identStart(details->me, details->peer, clientIdentDone, connState); |
62e76326 | 3050 | |
1f7c9178 | 3051 | #endif |
62e76326 | 3052 | |
b2130d58 | 3053 | if (s->http.tcp_keepalive.enabled) { |
3054 | commSetTcpKeepalive(newfd, s->http.tcp_keepalive.idle, s->http.tcp_keepalive.interval, s->http.tcp_keepalive.timeout); | |
3055 | } | |
3056 | ||
c4b7a5a9 | 3057 | commSetSelect(newfd, COMM_SELECT_READ, clientNegotiateSSL, connState, 0); |
62e76326 | 3058 | |
cc192b50 | 3059 | clientdbEstablished(details->peer, 1); |
62e76326 | 3060 | |
3f38a55e | 3061 | incoming_sockets_accepted++; |
1f7c9178 | 3062 | } |
3063 | ||
ae7ff0b8 | 3064 | bool |
3065 | ConnStateData::switchToHttps() | |
3066 | { | |
3067 | assert(!switchedToHttps_); | |
3068 | ||
3069 | //HTTPMSGLOCK(currentobject->http->request); | |
3070 | assert(areAllContextsForThisConnection()); | |
3071 | freeAllContexts(); | |
3072 | //currentobject->connIsFinished(); | |
3073 | ||
3074 | debugs(33, 5, HERE << "converting FD " << fd << " to SSL"); | |
3075 | ||
3076 | // fake a ConnectionDetail object; XXX: make ConnState a ConnectionDetail? | |
3077 | ConnectionDetail detail; | |
3078 | detail.me = me; | |
3079 | detail.peer = peer; | |
3080 | ||
3081 | SSL_CTX *sslContext = port->sslContext; | |
3082 | SSL *ssl = NULL; | |
3083 | if (!(ssl = httpsCreate(fd, &detail, sslContext))) | |
3084 | return false; | |
3085 | ||
3086 | // commSetTimeout() was called for this request before we switched. | |
3087 | ||
3088 | // Disable the client read handler until peer selection is complete | |
3089 | commSetSelect(fd, COMM_SELECT_READ, NULL, NULL, 0); | |
3090 | ||
3091 | commSetSelect(fd, COMM_SELECT_READ, clientNegotiateSSL, this, 0); | |
3092 | ||
3093 | switchedToHttps_ = true; | |
3094 | return true; | |
3095 | } | |
3096 | ||
1f7c9178 | 3097 | #endif /* USE_SSL */ |
3098 | ||
15df8349 | 3099 | |
d193a436 | 3100 | static void |
15df8349 | 3101 | clientHttpConnectionsOpen(void) |
3102 | { | |
cc192b50 | 3103 | http_port_list *s = NULL; |
3104 | int fd = -1; | |
ae7ff0b8 | 3105 | #if USE_SSL |
3106 | int bumpCount = 0; // counts http_ports with sslBump option | |
3107 | #endif | |
62e76326 | 3108 | |
7e3ce7b9 | 3109 | for (s = Config.Sockaddr.http; s; s = s->next) { |
62e76326 | 3110 | if (MAXHTTPPORTS == NHttpSockets) { |
bf8fe701 | 3111 | debugs(1, 1, "WARNING: You have too many 'http_port' lines."); |
3112 | debugs(1, 1, " The limit is " << MAXHTTPPORTS); | |
62e76326 | 3113 | continue; |
3114 | } | |
3115 | ||
ae7ff0b8 | 3116 | #if USE_SSL |
3117 | if (s->sslBump && s->sslContext == NULL) { | |
3118 | debugs(1, 1, "Will not bump SSL at http_port " << | |
3119 | s->http.s << " due to SSL initialization failure."); | |
3120 | s->sslBump = 0; | |
3121 | } | |
3122 | if (s->sslBump) | |
3123 | ++bumpCount; | |
3124 | #endif | |
3125 | ||
62e76326 | 3126 | enter_suid(); |
c303f6e3 | 3127 | |
f165d2fb | 3128 | if(s->spoof_client_ip) { |
c303f6e3 | 3129 | fd = comm_openex(SOCK_STREAM, IPPROTO_TCP, s->s, (COMM_NONBLOCKING|COMM_TRANSPARENT), 0, "HTTP Socket"); |
2ad20b4f | 3130 | } else { |
c303f6e3 AJ |
3131 | fd = comm_open(SOCK_STREAM, IPPROTO_TCP, s->s, COMM_NONBLOCKING, "HTTP Socket"); |
3132 | } | |
3133 | ||
62e76326 | 3134 | leave_suid(); |
3135 | ||
3136 | if (fd < 0) | |
3137 | continue; | |
3138 | ||
3139 | comm_listen(fd); | |
3140 | ||
3141 | comm_accept(fd, httpAccept, s); | |
3142 | ||
bf8fe701 | 3143 | debugs(1, 1, "Accepting " << |
2ad20b4f | 3144 | (s->intercepted ? " intercepted" : "") << |
f165d2fb | 3145 | (s->spoof_client_ip ? " spoofing" : "") << |
2ad20b4f AJ |
3146 | (s->sslBump ? " bumpy" : "") << |
3147 | (s->accel ? " accelerated" : "") | |
cc192b50 | 3148 | << " HTTP connections at " << s->s |
3149 | << ", FD " << fd << "." ); | |
62e76326 | 3150 | |
3151 | HttpSockets[NHttpSockets++] = fd; | |
15df8349 | 3152 | } |
ae7ff0b8 | 3153 | |
3154 | #if USE_SSL | |
3155 | if (bumpCount && !Config.accessList.ssl_bump) | |
3156 | debugs(33, 1, "WARNING: http_port(s) with SslBump found, but no " << | |
3157 | std::endl << "\tssl_bump ACL configured. No requests will be " << | |
3158 | "bumped."); | |
3159 | #endif | |
d193a436 | 3160 | } |
3161 | ||
3162 | #if USE_SSL | |
3163 | static void | |
3164 | clientHttpsConnectionsOpen(void) | |
3165 | { | |
3166 | https_port_list *s; | |
d193a436 | 3167 | int fd; |
62e76326 | 3168 | |
3f38a55e | 3169 | for (s = Config.Sockaddr.https; s; s = (https_port_list *)s->http.next) { |
62e76326 | 3170 | if (MAXHTTPPORTS == NHttpSockets) { |
ae7ff0b8 | 3171 | debugs(1, 1, "Ignoring 'https_port' lines exceeding the limit."); |
3172 | debugs(1, 1, "The limit is " << MAXHTTPPORTS << " HTTPS ports."); | |
62e76326 | 3173 | continue; |
3174 | } | |
3175 | ||
f9ad0106 | 3176 | if (s->sslContext == NULL) { |
ae7ff0b8 | 3177 | debugs(1, 1, "Ignoring https_port " << s->http.s << |
3178 | " due to SSL initialization failure."); | |
3179 | continue; | |
f9ad0106 | 3180 | } |
3181 | ||
62e76326 | 3182 | enter_suid(); |
3183 | fd = comm_open(SOCK_STREAM, | |
bdb741f4 | 3184 | IPPROTO_TCP, |
cc192b50 | 3185 | s->http.s, |
3186 | COMM_NONBLOCKING, "HTTPS Socket"); | |
62e76326 | 3187 | leave_suid(); |
3188 | ||
3189 | if (fd < 0) | |
3190 | continue; | |
3191 | ||
3192 | comm_listen(fd); | |
3193 | ||
3194 | comm_accept(fd, httpsAccept, s); | |
3195 | ||
cc192b50 | 3196 | debugs(1, 1, "Accepting HTTPS connections at " << s->http.s << ", FD " << fd << "."); |
62e76326 | 3197 | |
3198 | HttpSockets[NHttpSockets++] = fd; | |
1f7c9178 | 3199 | } |
d193a436 | 3200 | } |
3201 | ||
3202 | #endif | |
3203 | ||
3204 | void | |
3205 | clientOpenListenSockets(void) | |
3206 | { | |
3207 | clientHttpConnectionsOpen(); | |
3208 | #if USE_SSL | |
62e76326 | 3209 | |
d193a436 | 3210 | clientHttpsConnectionsOpen(); |
1f7c9178 | 3211 | #endif |
62e76326 | 3212 | |
15df8349 | 3213 | if (NHttpSockets < 1) |
62e76326 | 3214 | fatal("Cannot open HTTP Port"); |
15df8349 | 3215 | } |
edce4d98 | 3216 | |
c0fbae16 | 3217 | void |
3218 | clientHttpConnectionsClose(void) | |
3219 | { | |
3220 | int i; | |
62e76326 | 3221 | |
c0fbae16 | 3222 | for (i = 0; i < NHttpSockets; i++) { |
62e76326 | 3223 | if (HttpSockets[i] >= 0) { |
bf8fe701 | 3224 | debugs(1, 1, "FD " << HttpSockets[i] << |
3225 | " Closing HTTP connection"); | |
62e76326 | 3226 | comm_close(HttpSockets[i]); |
3227 | HttpSockets[i] = -1; | |
3228 | } | |
c0fbae16 | 3229 | } |
62e76326 | 3230 | |
c0fbae16 | 3231 | NHttpSockets = 0; |
3232 | } | |
f66a9ef4 | 3233 | |
3234 | int | |
190154cf | 3235 | varyEvaluateMatch(StoreEntry * entry, HttpRequest * request) |
f66a9ef4 | 3236 | { |
3237 | const char *vary = request->vary_headers; | |
a9925b40 | 3238 | int has_vary = entry->getReply()->header.has(HDR_VARY); |
f66a9ef4 | 3239 | #if X_ACCELERATOR_VARY |
62e76326 | 3240 | |
edce4d98 | 3241 | has_vary |= |
a9925b40 | 3242 | entry->getReply()->header.has(HDR_X_ACCELERATOR_VARY); |
f66a9ef4 | 3243 | #endif |
62e76326 | 3244 | |
f66a9ef4 | 3245 | if (!has_vary || !entry->mem_obj->vary_headers) { |
62e76326 | 3246 | if (vary) { |
3247 | /* Oops... something odd is going on here.. */ | |
bf8fe701 | 3248 | debugs(33, 1, "varyEvaluateMatch: Oops. Not a Vary object on second attempt, '" << |
3249 | entry->mem_obj->url << "' '" << vary << "'"); | |
62e76326 | 3250 | safe_free(request->vary_headers); |
3251 | return VARY_CANCEL; | |
3252 | } | |
3253 | ||
3254 | if (!has_vary) { | |
3255 | /* This is not a varying object */ | |
3256 | return VARY_NONE; | |
3257 | } | |
3258 | ||
3259 | /* virtual "vary" object found. Calculate the vary key and | |
3260 | * continue the search | |
3261 | */ | |
3262 | vary = httpMakeVaryMark(request, entry->getReply()); | |
3263 | ||
3264 | if (vary) { | |
3265 | request->vary_headers = xstrdup(vary); | |
3266 | return VARY_OTHER; | |
3267 | } else { | |
3268 | /* Ouch.. we cannot handle this kind of variance */ | |
3269 | /* XXX This cannot really happen, but just to be complete */ | |
3270 | return VARY_CANCEL; | |
3271 | } | |
f66a9ef4 | 3272 | } else { |
62e76326 | 3273 | if (!vary) { |
3274 | vary = httpMakeVaryMark(request, entry->getReply()); | |
3275 | ||
3276 | if (vary) | |
3277 | request->vary_headers = xstrdup(vary); | |
3278 | } | |
3279 | ||
3280 | if (!vary) { | |
3281 | /* Ouch.. we cannot handle this kind of variance */ | |
3282 | /* XXX This cannot really happen, but just to be complete */ | |
3283 | return VARY_CANCEL; | |
3284 | } else if (strcmp(vary, entry->mem_obj->vary_headers) == 0) { | |
3285 | return VARY_MATCH; | |
3286 | } else { | |
3287 | /* Oops.. we have already been here and still haven't | |
3288 | * found the requested variant. Bail out | |
3289 | */ | |
bf8fe701 | 3290 | debugs(33, 1, "varyEvaluateMatch: Oops. Not a Vary match on second attempt, '" << |
3291 | entry->mem_obj->url << "' '" << vary << "'"); | |
62e76326 | 3292 | return VARY_CANCEL; |
3293 | } | |
f66a9ef4 | 3294 | } |
3295 | } | |
28d4805a | 3296 | |
4fb35c3c | 3297 | ACLChecklist * |
59a1efb2 | 3298 | clientAclChecklistCreate(const acl_access * acl, ClientHttpRequest * http) |
28d4805a | 3299 | { |
4fb35c3c | 3300 | ACLChecklist *ch; |
1cf238db | 3301 | ConnStateData * conn = http->getConn(); |
3302 | ch = aclChecklistCreate(acl, http->request, cbdataReferenceValid(conn) && conn != NULL ? conn->rfc931 : dash_str); | |
28d4805a | 3303 | |
3304 | /* | |
3305 | * hack for ident ACL. It needs to get full addresses, and a place to store | |
3306 | * the ident result on persistent connections... | |
3307 | */ | |
3308 | /* connection oriented auth also needs these two lines for it's operation. */ | |
3309 | /* | |
3310 | * Internal requests do not have a connection reference, because: A) their | |
3311 | * byte count may be transformed before being applied to an outbound | |
3312 | * connection B) they are internal - any limiting on them should be done on | |
3313 | * the server end. | |
3314 | */ | |
62e76326 | 3315 | |
1cf238db | 3316 | if (conn != NULL) |
a2ac85d9 | 3317 | ch->conn(conn); /* unreferenced in acl.cc */ |
28d4805a | 3318 | |
3319 | return ch; | |
3320 | } | |
a46d2c0e | 3321 | |
3322 | CBDATA_CLASS_INIT(ConnStateData); | |
3323 | ||
1cf238db | 3324 | ConnStateData::ConnStateData() :AsyncJob("ConnStateData"), transparent_ (false), reading_ (false), closing_ (false) |
b65351fa | 3325 | { |
b65351fa | 3326 | } |
a46d2c0e | 3327 | |
3328 | bool | |
3329 | ConnStateData::transparent() const | |
3330 | { | |
3331 | return transparent_; | |
3332 | } | |
3333 | ||
3334 | void | |
3335 | ConnStateData::transparent(bool const anInt) | |
3336 | { | |
3337 | transparent_ = anInt; | |
3338 | } | |
3339 | ||
3340 | bool | |
3341 | ConnStateData::reading() const | |
3342 | { | |
3343 | return reading_; | |
3344 | } | |
3345 | ||
3346 | void | |
3347 | ConnStateData::reading(bool const newBool) | |
3348 | { | |
3349 | assert (reading() != newBool); | |
3350 | reading_ = newBool; | |
3351 | } | |
3352 | ||
5f8252d2 | 3353 | |
3354 | BodyPipe::Pointer | |
3e62bd58 | 3355 | ConnStateData::expectRequestBody(int64_t size) |
5f8252d2 | 3356 | { |
3357 | bodyPipe = new BodyPipe(this); | |
3358 | bodyPipe->setBodySize(size); | |
3359 | return bodyPipe; | |
3360 | } | |
3361 | ||
55e44db9 | 3362 | bool |
3363 | ConnStateData::closing() const | |
3364 | { | |
3365 | return closing_; | |
3366 | } | |
3367 | ||
63be0a78 | 3368 | /** |
3369 | * Called by ClientSocketContext to give the connection a chance to read | |
3370 | * the entire body before closing the socket. | |
3371 | */ | |
55e44db9 | 3372 | void |
5f8252d2 | 3373 | ConnStateData::startClosing(const char *reason) |
55e44db9 | 3374 | { |
5f8252d2 | 3375 | debugs(33, 5, HERE << "startClosing " << this << " for " << reason); |
3376 | assert(!closing()); | |
3377 | closing_ = true; | |
3378 | ||
3379 | assert(bodyPipe != NULL); | |
3380 | assert(bodySizeLeft() > 0); | |
3381 | ||
3382 | // We do not have to abort the body pipeline because we are going to | |
3383 | // read the entire body anyway. | |
3384 | // Perhaps an ICAP server wants to log the complete request. | |
3385 | ||
3386 | // If a consumer abort have caused this closing, we may get stuck | |
3387 | // as nobody is consuming our data. Allow auto-consumption. | |
3388 | bodyPipe->enableAutoConsumption(); | |
55e44db9 | 3389 | } |
3390 | ||
a46d2c0e | 3391 | char * |
3392 | ConnStateData::In::addressToReadInto() const | |
3393 | { | |
3394 | return buf + notYetUsed; | |
3395 | } | |
3396 | ||
3397 | ConnStateData::In::In() : buf (NULL), notYetUsed (0), allocatedSize (0) | |
3398 | {} | |
3399 | ||
3400 | ConnStateData::In::~In() | |
3401 | { | |
3402 | if (allocatedSize) | |
3403 | memFreeBuf(allocatedSize, buf); | |
3404 | } |