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da2b3a17 | 1 | |
30a4f2a8 | 2 | /* |
dc56a9b1 | 3 | * $Id: http.cc,v 1.547 2008/02/12 23:55:26 rousskov Exp $ |
30a4f2a8 | 4 | * |
5 | * DEBUG: section 11 Hypertext Transfer Protocol (HTTP) | |
6 | * AUTHOR: Harvest Derived | |
7 | * | |
2b6662ba | 8 | * SQUID Web Proxy Cache http://www.squid-cache.org/ |
e25c139f | 9 | * ---------------------------------------------------------- |
30a4f2a8 | 10 | * |
2b6662ba | 11 | * Squid is the result of efforts by numerous individuals from |
12 | * the Internet community; see the CONTRIBUTORS file for full | |
13 | * details. Many organizations have provided support for Squid's | |
14 | * development; see the SPONSORS file for full details. Squid is | |
15 | * Copyrighted (C) 2001 by the Regents of the University of | |
16 | * California; see the COPYRIGHT file for full details. Squid | |
17 | * incorporates software developed and/or copyrighted by other | |
18 | * sources; see the CREDITS file for full details. | |
30a4f2a8 | 19 | * |
20 | * This program is free software; you can redistribute it and/or modify | |
21 | * it under the terms of the GNU General Public License as published by | |
22 | * the Free Software Foundation; either version 2 of the License, or | |
23 | * (at your option) any later version. | |
24 | * | |
25 | * This program is distributed in the hope that it will be useful, | |
26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
28 | * GNU General Public License for more details. | |
29 | * | |
30 | * You should have received a copy of the GNU General Public License | |
31 | * along with this program; if not, write to the Free Software | |
cbdec147 | 32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA. |
e25c139f | 33 | * |
30a4f2a8 | 34 | */ |
019dd986 | 35 | |
4a83b852 | 36 | /* |
37 | * Anonymizing patch by lutz@as-node.jena.thur.de | |
de3bdb4c | 38 | * have a look into http-anon.c to get more informations. |
4a83b852 | 39 | */ |
40 | ||
44a47c6e | 41 | #include "squid.h" |
aa839030 | 42 | #include "errorpage.h" |
0eb49b6d | 43 | #include "MemBuf.h" |
e6ccf245 | 44 | #include "http.h" |
f5691f9c | 45 | #include "AuthUserRequest.h" |
e6ccf245 | 46 | #include "Store.h" |
528b2c61 | 47 | #include "HttpReply.h" |
48 | #include "HttpRequest.h" | |
49 | #include "MemObject.h" | |
50 | #include "HttpHdrContRange.h" | |
b19dd748 | 51 | #include "HttpHdrSc.h" |
52 | #include "HttpHdrScTarget.h" | |
4fb35c3c | 53 | #include "ACLChecklist.h" |
21b92762 | 54 | #include "fde.h" |
b67e2c8c | 55 | #if DELAY_POOLS |
56 | #include "DelayPools.h" | |
57 | #endif | |
985c86bc | 58 | #include "SquidTime.h" |
af0bb8e5 | 59 | #include "TextException.h" |
60 | ||
61 | #define SQUID_ENTER_THROWING_CODE() try { | |
62 | #define SQUID_EXIT_THROWING_CODE(status) \ | |
63 | status = true; \ | |
64 | } \ | |
0a8bbeeb AR |
65 | catch (const std::exception &e) { \ |
66 | debugs (11, 1, "Exception error:" << e.what()); \ | |
af0bb8e5 | 67 | status = false; \ |
68 | } | |
e6ccf245 | 69 | |
2afaba07 | 70 | CBDATA_CLASS_INIT(HttpStateData); |
090089c4 | 71 | |
6bf8443a | 72 | static const char *const crlf = "\r\n"; |
4db43fab | 73 | |
f9cece6e | 74 | static void httpMaybeRemovePublic(StoreEntry *, http_status); |
30abd221 | 75 | static void copyOneHeaderFromClientsideRequestToUpstreamRequest(const HttpHeaderEntry *e, String strConnection, HttpRequest * request, HttpRequest * orig_request, |
62e76326 | 76 | HttpHeader * hdr_out, int we_do_ranges, http_state_flags); |
528b2c61 | 77 | |
dc56a9b1 | 78 | HttpStateData::HttpStateData(FwdState *theFwdState) : AsyncJob("HttpStateData"), ServerStateData(theFwdState), |
839291ac | 79 | lastChunk(0), header_bytes_read(0), reply_bytes_read(0), httpChunkDecoder(NULL) |
2bb867b5 | 80 | { |
81 | debugs(11,5,HERE << "HttpStateData " << this << " created"); | |
a3d50c30 | 82 | ignoreCacheControl = false; |
83 | surrogateNoStore = false; | |
a3d50c30 | 84 | fd = fwd->server_fd; |
85 | readBuf = new MemBuf; | |
86 | readBuf->init(4096, SQUID_TCP_SO_RCVBUF); | |
6dd9f4bd | 87 | orig_request = HTTPMSGLOCK(fwd->request); |
a3d50c30 | 88 | |
89 | if (fwd->servers) | |
90 | _peer = fwd->servers->_peer; /* might be NULL */ | |
91 | ||
92 | if (_peer) { | |
93 | const char *url; | |
94 | ||
95 | if (_peer->options.originserver) | |
30abd221 | 96 | url = orig_request->urlpath.buf(); |
a3d50c30 | 97 | else |
3900307b | 98 | url = entry->url(); |
a3d50c30 | 99 | |
5cafad19 | 100 | HttpRequest * proxy_req = new HttpRequest(orig_request->method, |
101 | orig_request->protocol, url); | |
a3d50c30 | 102 | |
cc192b50 | 103 | proxy_req->SetHost(_peer->host); |
a3d50c30 | 104 | |
105 | proxy_req->port = _peer->http_port; | |
106 | ||
107 | proxy_req->flags = orig_request->flags; | |
108 | ||
109 | proxy_req->lastmod = orig_request->lastmod; | |
110 | ||
111 | proxy_req->flags.proxying = 1; | |
112 | ||
6dd9f4bd | 113 | HTTPMSGUNLOCK(request); |
253caccb | 114 | |
6dd9f4bd | 115 | request = HTTPMSGLOCK(proxy_req); |
a3d50c30 | 116 | |
117 | /* | |
118 | * This NEIGHBOR_PROXY_ONLY check probably shouldn't be here. | |
119 | * We might end up getting the object from somewhere else if, | |
120 | * for example, the request to this neighbor fails. | |
121 | */ | |
122 | if (_peer->options.proxy_only) | |
d88e3c49 | 123 | entry->releaseRequest(); |
a3d50c30 | 124 | |
125 | #if DELAY_POOLS | |
126 | ||
127 | entry->setNoDelay(_peer->options.no_delay); | |
128 | ||
129 | #endif | |
a3d50c30 | 130 | } |
131 | ||
132 | /* | |
133 | * register the handler to free HTTP state data when the FD closes | |
134 | */ | |
dc56a9b1 | 135 | typedef CommCbMemFunT<HttpStateData, CommCloseCbParams> Dialer; |
136 | closeHandler = asyncCall(9, 5, "httpStateData::httpStateConnClosed", | |
137 | Dialer(this,&HttpStateData::httpStateConnClosed)); | |
138 | comm_add_close_handler(fd, closeHandler); | |
2bb867b5 | 139 | } |
b8d8561b | 140 | |
2afaba07 | 141 | HttpStateData::~HttpStateData() |
f5558c95 | 142 | { |
253caccb | 143 | /* |
3b299123 | 144 | * don't forget that ~ServerStateData() gets called automatically |
253caccb | 145 | */ |
146 | ||
2afaba07 | 147 | if (!readBuf->isNull()) |
148 | readBuf->clean(); | |
62e76326 | 149 | |
2afaba07 | 150 | delete readBuf; |
151 | ||
af0bb8e5 | 152 | if(httpChunkDecoder) |
153 | delete httpChunkDecoder; | |
154 | ||
6dd9f4bd | 155 | HTTPMSGUNLOCK(orig_request); |
2afaba07 | 156 | |
5f8252d2 | 157 | debugs(11,5, HERE << "HttpStateData " << this << " destroyed; FD " << fd); |
158 | } | |
159 | ||
160 | int | |
fc68f6b1 | 161 | HttpStateData::dataDescriptor() const |
162 | { | |
5f8252d2 | 163 | return fd; |
2afaba07 | 164 | } |
dc56a9b1 | 165 | /* |
2afaba07 | 166 | static void |
167 | httpStateFree(int fd, void *data) | |
168 | { | |
169 | HttpStateData *httpState = static_cast<HttpStateData *>(data); | |
bf8fe701 | 170 | debugs(11, 5, "httpStateFree: FD " << fd << ", httpState=" << data); |
5f8252d2 | 171 | delete httpState; |
dc56a9b1 | 172 | }*/ |
173 | ||
174 | void | |
175 | HttpStateData::httpStateConnClosed(const CommCloseCbParams ¶ms) | |
176 | { | |
177 | debugs(11, 5, "httpStateFree: FD " << params.fd << ", httpState=" << params.data); | |
178 | deleteThis("HttpStateData::httpStateConnClosed"); | |
f5558c95 | 179 | } |
180 | ||
b8d8561b | 181 | int |
60745f24 | 182 | httpCachable(const HttpRequestMethod& method) |
090089c4 | 183 | { |
090089c4 | 184 | /* GET and HEAD are cachable. Others are not. */ |
62e76326 | 185 | |
60745f24 | 186 | // TODO: replase to HttpRequestMethod::isCachable() ? |
6eb42cae | 187 | if (method != METHOD_GET && method != METHOD_HEAD) |
62e76326 | 188 | return 0; |
189 | ||
090089c4 | 190 | /* else cachable */ |
191 | return 1; | |
192 | } | |
193 | ||
dc56a9b1 | 194 | void |
195 | HttpStateData::httpTimeout(const CommTimeoutCbParams ¶ms) | |
090089c4 | 196 | { |
bf8fe701 | 197 | debugs(11, 4, "httpTimeout: FD " << fd << ": '" << entry->url() << "'" ); |
62e76326 | 198 | |
12158bdc | 199 | if (entry->store_status == STORE_PENDING) { |
dc56a9b1 | 200 | fwd->fail(errorCon(ERR_READ_TIMEOUT, HTTP_GATEWAY_TIMEOUT, fwd->request)); |
9b312a19 | 201 | } |
62e76326 | 202 | |
0d4d4170 | 203 | comm_close(fd); |
090089c4 | 204 | } |
205 | ||
f9cece6e | 206 | static void |
207 | httpMaybeRemovePublic(StoreEntry * e, http_status status) | |
208 | { | |
914b89a2 | 209 | int remove = 0; |
7e3ce7b9 | 210 | int forbidden = 0; |
f9cece6e | 211 | StoreEntry *pe; |
62e76326 | 212 | |
d46a87a8 | 213 | if (!EBIT_TEST(e->flags, KEY_PRIVATE)) |
62e76326 | 214 | return; |
215 | ||
f9cece6e | 216 | switch (status) { |
62e76326 | 217 | |
f9cece6e | 218 | case HTTP_OK: |
62e76326 | 219 | |
f9cece6e | 220 | case HTTP_NON_AUTHORITATIVE_INFORMATION: |
62e76326 | 221 | |
f9cece6e | 222 | case HTTP_MULTIPLE_CHOICES: |
62e76326 | 223 | |
f9cece6e | 224 | case HTTP_MOVED_PERMANENTLY: |
62e76326 | 225 | |
f9cece6e | 226 | case HTTP_MOVED_TEMPORARILY: |
62e76326 | 227 | |
f9cece6e | 228 | case HTTP_GONE: |
62e76326 | 229 | |
7e3ce7b9 | 230 | case HTTP_NOT_FOUND: |
914b89a2 | 231 | remove = 1; |
62e76326 | 232 | |
233 | break; | |
234 | ||
7e3ce7b9 | 235 | case HTTP_FORBIDDEN: |
62e76326 | 236 | |
7e3ce7b9 | 237 | case HTTP_METHOD_NOT_ALLOWED: |
62e76326 | 238 | forbidden = 1; |
239 | ||
240 | break; | |
241 | ||
f9cece6e | 242 | #if WORK_IN_PROGRESS |
62e76326 | 243 | |
c8fd0193 | 244 | case HTTP_UNAUTHORIZED: |
62e76326 | 245 | forbidden = 1; |
246 | ||
247 | break; | |
248 | ||
f9cece6e | 249 | #endif |
62e76326 | 250 | |
f9cece6e | 251 | default: |
7e3ce7b9 | 252 | #if QUESTIONABLE |
62e76326 | 253 | /* |
254 | * Any 2xx response should eject previously cached entities... | |
255 | */ | |
abb929f0 | 256 | |
62e76326 | 257 | if (status >= 200 && status < 300) |
914b89a2 | 258 | remove = 1; |
62e76326 | 259 | |
7e3ce7b9 | 260 | #endif |
62e76326 | 261 | |
262 | break; | |
f9cece6e | 263 | } |
62e76326 | 264 | |
914b89a2 | 265 | if (!remove && !forbidden) |
62e76326 | 266 | return; |
267 | ||
f9cece6e | 268 | assert(e->mem_obj); |
62e76326 | 269 | |
f66a9ef4 | 270 | if (e->mem_obj->request) |
62e76326 | 271 | pe = storeGetPublicByRequest(e->mem_obj->request); |
f66a9ef4 | 272 | else |
62e76326 | 273 | pe = storeGetPublic(e->mem_obj->url, e->mem_obj->method); |
274 | ||
f66a9ef4 | 275 | if (pe != NULL) { |
62e76326 | 276 | assert(e != pe); |
d9129474 | 277 | #if USE_HTCP |
8dceeee3 | 278 | neighborsHtcpClear(e, NULL, e->mem_obj->request, e->mem_obj->method, HTCP_CLR_INVALIDATION); |
d9129474 | 279 | #endif |
5f33b71d | 280 | pe->release(); |
0856d155 | 281 | } |
62e76326 | 282 | |
914b89a2 | 283 | /** \par |
7e3ce7b9 | 284 | * Also remove any cached HEAD response in case the object has |
285 | * changed. | |
286 | */ | |
f66a9ef4 | 287 | if (e->mem_obj->request) |
62e76326 | 288 | pe = storeGetPublicByRequestMethod(e->mem_obj->request, METHOD_HEAD); |
f66a9ef4 | 289 | else |
62e76326 | 290 | pe = storeGetPublic(e->mem_obj->url, METHOD_HEAD); |
291 | ||
f66a9ef4 | 292 | if (pe != NULL) { |
62e76326 | 293 | assert(e != pe); |
d9129474 | 294 | #if USE_HTCP |
8dceeee3 | 295 | neighborsHtcpClear(e, NULL, e->mem_obj->request, HttpRequestMethod(METHOD_HEAD), HTCP_CLR_INVALIDATION); |
d9129474 | 296 | #endif |
5f33b71d | 297 | pe->release(); |
7e3ce7b9 | 298 | } |
f9cece6e | 299 | } |
300 | ||
43ae1d95 | 301 | void |
302 | HttpStateData::processSurrogateControl(HttpReply *reply) | |
303 | { | |
f41735ea | 304 | #if USE_SQUID_ESI |
43ae1d95 | 305 | |
306 | if (request->flags.accelerated && reply->surrogate_control) { | |
307 | HttpHdrScTarget *sctusable = | |
308 | httpHdrScGetMergedTarget(reply->surrogate_control, | |
309 | Config.Accel.surrogate_id); | |
310 | ||
311 | if (sctusable) { | |
312 | if (EBIT_TEST(sctusable->mask, SC_NO_STORE) || | |
313 | (Config.onoff.surrogate_is_remote | |
314 | && EBIT_TEST(sctusable->mask, SC_NO_STORE_REMOTE))) { | |
315 | surrogateNoStore = true; | |
5ed72359 | 316 | entry->makePrivate(); |
43ae1d95 | 317 | } |
318 | ||
319 | /* The HttpHeader logic cannot tell if the header it's parsing is a reply to an | |
320 | * accelerated request or not... | |
321 | * Still, this is an abtraction breach. - RC | |
322 | */ | |
323 | if (sctusable->max_age != -1) { | |
324 | if (sctusable->max_age < sctusable->max_stale) | |
325 | reply->expires = reply->date + sctusable->max_age; | |
326 | else | |
327 | reply->expires = reply->date + sctusable->max_stale; | |
328 | ||
329 | /* And update the timestamps */ | |
3900307b | 330 | entry->timestampsSet(); |
43ae1d95 | 331 | } |
332 | ||
333 | /* We ignore cache-control directives as per the Surrogate specification */ | |
334 | ignoreCacheControl = true; | |
335 | ||
336 | httpHdrScTargetDestroy(sctusable); | |
337 | } | |
338 | } | |
339 | ||
340 | #endif | |
341 | } | |
342 | ||
924f73bc | 343 | int |
344 | HttpStateData::cacheableReply() | |
c54e9052 | 345 | { |
585ab260 | 346 | HttpReply const *rep = finalReply(); |
528b2c61 | 347 | HttpHeader const *hdr = &rep->header; |
d8b249ef | 348 | const int cc_mask = (rep->cache_control) ? rep->cache_control->mask : 0; |
c68e9c6b | 349 | const char *v; |
38f9c547 | 350 | #if HTTP_VIOLATIONS |
62e76326 | 351 | |
38f9c547 | 352 | const refresh_t *R = NULL; |
b6445726 | 353 | |
346be6ad | 354 | /* This strange looking define first looks up the refresh pattern |
b6445726 | 355 | * and then checks if the specified flag is set. The main purpose |
356 | * of this is to simplify the refresh pattern lookup and HTTP_VIOLATIONS | |
357 | * condition | |
358 | */ | |
359 | #define REFRESH_OVERRIDE(flag) \ | |
5f8252d2 | 360 | ((R = (R ? R : refreshLimits(entry->mem_obj->url))) , \ |
361 | (R && R->flags.flag)) | |
b445957e | 362 | #else |
363 | #define REFRESH_OVERRIDE(flag) 0 | |
38f9c547 | 364 | #endif |
43ae1d95 | 365 | |
38f9c547 | 366 | if (surrogateNoStore) |
62e76326 | 367 | return 0; |
368 | ||
924f73bc | 369 | if (!ignoreCacheControl) { |
38f9c547 | 370 | if (EBIT_TEST(cc_mask, CC_PRIVATE)) { |
b6445726 | 371 | if (!REFRESH_OVERRIDE(ignore_private)) |
38f9c547 | 372 | return 0; |
373 | } | |
374 | ||
375 | if (EBIT_TEST(cc_mask, CC_NO_CACHE)) { | |
b6445726 | 376 | if (!REFRESH_OVERRIDE(ignore_no_cache)) |
38f9c547 | 377 | return 0; |
378 | } | |
379 | ||
380 | if (EBIT_TEST(cc_mask, CC_NO_STORE)) { | |
b6445726 | 381 | if (!REFRESH_OVERRIDE(ignore_no_store)) |
38f9c547 | 382 | return 0; |
383 | } | |
43ae1d95 | 384 | } |
385 | ||
924f73bc | 386 | if (request->flags.auth) { |
62e76326 | 387 | /* |
388 | * Responses to requests with authorization may be cached | |
389 | * only if a Cache-Control: public reply header is present. | |
390 | * RFC 2068, sec 14.9.4 | |
391 | */ | |
392 | ||
38f9c547 | 393 | if (!EBIT_TEST(cc_mask, CC_PUBLIC)) { |
b6445726 | 394 | if (!REFRESH_OVERRIDE(ignore_auth)) |
38f9c547 | 395 | return 0; |
396 | } | |
a6dfe2d9 | 397 | } |
62e76326 | 398 | |
c68e9c6b | 399 | /* Pragma: no-cache in _replies_ is not documented in HTTP, |
400 | * but servers like "Active Imaging Webcast/2.0" sure do use it */ | |
a9925b40 | 401 | if (hdr->has(HDR_PRAGMA)) { |
30abd221 | 402 | String s = hdr->getList(HDR_PRAGMA); |
62e76326 | 403 | const int no_cache = strListIsMember(&s, "no-cache", ','); |
30abd221 | 404 | s.clean(); |
62e76326 | 405 | |
38f9c547 | 406 | if (no_cache) { |
b6445726 | 407 | if (!REFRESH_OVERRIDE(ignore_no_cache)) |
38f9c547 | 408 | return 0; |
409 | } | |
c68e9c6b | 410 | } |
62e76326 | 411 | |
c68e9c6b | 412 | /* |
413 | * The "multipart/x-mixed-replace" content type is used for | |
414 | * continuous push replies. These are generally dynamic and | |
415 | * probably should not be cachable | |
416 | */ | |
a9925b40 | 417 | if ((v = hdr->getStr(HDR_CONTENT_TYPE))) |
62e76326 | 418 | if (!strncasecmp(v, "multipart/x-mixed-replace", 25)) |
419 | return 0; | |
420 | ||
585ab260 | 421 | switch (rep->sline.status) { |
62e76326 | 422 | /* Responses that are cacheable */ |
423 | ||
19a04dac | 424 | case HTTP_OK: |
62e76326 | 425 | |
19a04dac | 426 | case HTTP_NON_AUTHORITATIVE_INFORMATION: |
62e76326 | 427 | |
19a04dac | 428 | case HTTP_MULTIPLE_CHOICES: |
62e76326 | 429 | |
19a04dac | 430 | case HTTP_MOVED_PERMANENTLY: |
62e76326 | 431 | |
19a04dac | 432 | case HTTP_GONE: |
62e76326 | 433 | /* |
434 | * Don't cache objects that need to be refreshed on next request, | |
435 | * unless we know how to refresh it. | |
436 | */ | |
437 | ||
1b5358c3 | 438 | if (!refreshIsCachable(entry)) { |
bf8fe701 | 439 | debugs(22, 3, "refreshIsCachable() returned non-cacheable.."); |
62e76326 | 440 | return 0; |
fc68f6b1 | 441 | } |
62e76326 | 442 | |
443 | /* don't cache objects from peers w/o LMT, Date, or Expires */ | |
444 | /* check that is it enough to check headers @?@ */ | |
445 | if (rep->date > -1) | |
446 | return 1; | |
447 | else if (rep->last_modified > -1) | |
448 | return 1; | |
924f73bc | 449 | else if (!_peer) |
62e76326 | 450 | return 1; |
451 | ||
452 | /* @?@ (here and 302): invalid expires header compiles to squid_curtime */ | |
453 | else if (rep->expires > -1) | |
454 | return 1; | |
455 | else | |
456 | return 0; | |
457 | ||
458 | /* NOTREACHED */ | |
459 | break; | |
460 | ||
461 | /* Responses that only are cacheable if the server says so */ | |
462 | ||
19a04dac | 463 | case HTTP_MOVED_TEMPORARILY: |
f18c86fd | 464 | case HTTP_TEMPORARY_REDIRECT: |
6a2bf8f4 | 465 | if (rep->expires > rep->date && rep->date > 0) |
62e76326 | 466 | return 1; |
467 | else | |
468 | return 0; | |
469 | ||
470 | /* NOTREACHED */ | |
471 | break; | |
472 | ||
473 | /* Errors can be negatively cached */ | |
474 | ||
19a04dac | 475 | case HTTP_NO_CONTENT: |
62e76326 | 476 | |
19a04dac | 477 | case HTTP_USE_PROXY: |
62e76326 | 478 | |
19a04dac | 479 | case HTTP_BAD_REQUEST: |
62e76326 | 480 | |
19a04dac | 481 | case HTTP_FORBIDDEN: |
62e76326 | 482 | |
19a04dac | 483 | case HTTP_NOT_FOUND: |
62e76326 | 484 | |
19a04dac | 485 | case HTTP_METHOD_NOT_ALLOWED: |
62e76326 | 486 | |
19a04dac | 487 | case HTTP_REQUEST_URI_TOO_LARGE: |
62e76326 | 488 | |
19a04dac | 489 | case HTTP_INTERNAL_SERVER_ERROR: |
62e76326 | 490 | |
19a04dac | 491 | case HTTP_NOT_IMPLEMENTED: |
62e76326 | 492 | |
19a04dac | 493 | case HTTP_BAD_GATEWAY: |
62e76326 | 494 | |
19a04dac | 495 | case HTTP_SERVICE_UNAVAILABLE: |
62e76326 | 496 | |
19a04dac | 497 | case HTTP_GATEWAY_TIMEOUT: |
62e76326 | 498 | return -1; |
499 | ||
500 | /* NOTREACHED */ | |
501 | break; | |
502 | ||
503 | /* Some responses can never be cached */ | |
504 | ||
0cdcddb9 | 505 | case HTTP_PARTIAL_CONTENT: /* Not yet supported */ |
62e76326 | 506 | |
19a04dac | 507 | case HTTP_SEE_OTHER: |
62e76326 | 508 | |
19a04dac | 509 | case HTTP_NOT_MODIFIED: |
62e76326 | 510 | |
19a04dac | 511 | case HTTP_UNAUTHORIZED: |
62e76326 | 512 | |
19a04dac | 513 | case HTTP_PROXY_AUTHENTICATION_REQUIRED: |
62e76326 | 514 | |
0cdcddb9 | 515 | case HTTP_INVALID_HEADER: /* Squid header parsing error */ |
4eb368f9 | 516 | |
517 | case HTTP_HEADER_TOO_LARGE: | |
b004a7fc | 518 | |
519 | case HTTP_PAYMENT_REQUIRED: | |
520 | case HTTP_NOT_ACCEPTABLE: | |
521 | case HTTP_REQUEST_TIMEOUT: | |
522 | case HTTP_CONFLICT: | |
523 | case HTTP_LENGTH_REQUIRED: | |
524 | case HTTP_PRECONDITION_FAILED: | |
525 | case HTTP_REQUEST_ENTITY_TOO_LARGE: | |
526 | case HTTP_UNSUPPORTED_MEDIA_TYPE: | |
527 | case HTTP_UNPROCESSABLE_ENTITY: | |
528 | case HTTP_LOCKED: | |
529 | case HTTP_FAILED_DEPENDENCY: | |
530 | case HTTP_INSUFFICIENT_STORAGE: | |
cc7c3c84 | 531 | case HTTP_REQUESTED_RANGE_NOT_SATISFIABLE: |
532 | case HTTP_EXPECTATION_FAILED: | |
b004a7fc | 533 | |
62e76326 | 534 | return 0; |
535 | ||
c54e9052 | 536 | default: /* Unknown status code */ |
585ab260 | 537 | debugs (11, 0, HERE << "HttpStateData::cacheableReply: unexpected http status code " << rep->sline.status); |
62e76326 | 538 | |
539 | return 0; | |
540 | ||
541 | /* NOTREACHED */ | |
542 | break; | |
c54e9052 | 543 | } |
62e76326 | 544 | |
79d39a72 | 545 | /* NOTREACHED */ |
c54e9052 | 546 | } |
090089c4 | 547 | |
f66a9ef4 | 548 | /* |
549 | * For Vary, store the relevant request headers as | |
550 | * virtual headers in the reply | |
551 | * Returns false if the variance cannot be stored | |
552 | */ | |
553 | const char * | |
190154cf | 554 | httpMakeVaryMark(HttpRequest * request, HttpReply const * reply) |
f66a9ef4 | 555 | { |
30abd221 | 556 | String vary, hdr; |
f66a9ef4 | 557 | const char *pos = NULL; |
558 | const char *item; | |
559 | const char *value; | |
560 | int ilen; | |
30abd221 | 561 | static String vstr; |
f66a9ef4 | 562 | |
30abd221 | 563 | vstr.clean(); |
a9925b40 | 564 | vary = reply->header.getList(HDR_VARY); |
62e76326 | 565 | |
f66a9ef4 | 566 | while (strListGetItem(&vary, ',', &item, &ilen, &pos)) { |
62e76326 | 567 | char *name = (char *)xmalloc(ilen + 1); |
568 | xstrncpy(name, item, ilen + 1); | |
569 | Tolower(name); | |
9776e3cc | 570 | |
571 | if (strcmp(name, "*") == 0) { | |
572 | /* Can not handle "Vary: *" withtout ETag support */ | |
573 | safe_free(name); | |
30abd221 | 574 | vstr.clean(); |
9776e3cc | 575 | break; |
576 | } | |
577 | ||
62e76326 | 578 | strListAdd(&vstr, name, ','); |
a9925b40 | 579 | hdr = request->header.getByName(name); |
62e76326 | 580 | safe_free(name); |
30abd221 | 581 | value = hdr.buf(); |
62e76326 | 582 | |
583 | if (value) { | |
584 | value = rfc1738_escape_part(value); | |
585 | vstr.append("=\"", 2); | |
586 | vstr.append(value); | |
587 | vstr.append("\"", 1); | |
588 | } | |
589 | ||
30abd221 | 590 | hdr.clean(); |
f66a9ef4 | 591 | } |
62e76326 | 592 | |
30abd221 | 593 | vary.clean(); |
f66a9ef4 | 594 | #if X_ACCELERATOR_VARY |
62e76326 | 595 | |
aa38be4a | 596 | pos = NULL; |
a9925b40 | 597 | vary = reply->header.getList(HDR_X_ACCELERATOR_VARY); |
62e76326 | 598 | |
f66a9ef4 | 599 | while (strListGetItem(&vary, ',', &item, &ilen, &pos)) { |
62e76326 | 600 | char *name = (char *)xmalloc(ilen + 1); |
601 | xstrncpy(name, item, ilen + 1); | |
602 | Tolower(name); | |
603 | strListAdd(&vstr, name, ','); | |
a9925b40 | 604 | hdr = request->header.getByName(name); |
62e76326 | 605 | safe_free(name); |
30abd221 | 606 | value = hdr.buf(); |
62e76326 | 607 | |
608 | if (value) { | |
609 | value = rfc1738_escape_part(value); | |
610 | vstr.append("=\"", 2); | |
611 | vstr.append(value); | |
612 | vstr.append("\"", 1); | |
613 | } | |
614 | ||
30abd221 | 615 | hdr.clean(); |
f66a9ef4 | 616 | } |
62e76326 | 617 | |
30abd221 | 618 | vary.clean(); |
f66a9ef4 | 619 | #endif |
62e76326 | 620 | |
30abd221 | 621 | debugs(11, 3, "httpMakeVaryMark: " << vstr.buf()); |
622 | return vstr.buf(); | |
f66a9ef4 | 623 | } |
624 | ||
2afaba07 | 625 | void |
626 | HttpStateData::keepaliveAccounting(HttpReply *reply) | |
627 | { | |
628 | if (flags.keepalive) | |
629 | if (_peer) | |
630 | _peer->stats.n_keepalives_sent++; | |
631 | ||
632 | if (reply->keep_alive) { | |
633 | if (_peer) | |
634 | _peer->stats.n_keepalives_recv++; | |
635 | ||
636 | if (Config.onoff.detect_broken_server_pconns && reply->bodySize(request->method) == -1) { | |
bf8fe701 | 637 | debugs(11, 1, "keepaliveAccounting: Impossible keep-alive header from '" << entry->url() << "'" ); |
638 | // debugs(11, 2, "GOT HTTP REPLY HDR:\n---------\n" << readBuf->content() << "\n----------" ); | |
2afaba07 | 639 | flags.keepalive_broken = 1; |
640 | } | |
641 | } | |
642 | } | |
643 | ||
644 | void | |
645 | HttpStateData::checkDateSkew(HttpReply *reply) | |
646 | { | |
647 | if (reply->date > -1 && !_peer) { | |
648 | int skew = abs((int)(reply->date - squid_curtime)); | |
649 | ||
650 | if (skew > 86400) | |
cc192b50 | 651 | debugs(11, 3, "" << request->GetHost() << "'s clock is skewed by " << skew << " seconds!"); |
2afaba07 | 652 | } |
653 | } | |
654 | ||
073ba374 | 655 | /** |
4eb368f9 | 656 | * This creates the error page itself.. its likely |
657 | * that the forward ported reply header max size patch | |
658 | * generates non http conformant error pages - in which | |
659 | * case the errors where should be 'BAD_GATEWAY' etc | |
660 | */ | |
b8d8561b | 661 | void |
2afaba07 | 662 | HttpStateData::processReplyHeader() |
f5558c95 | 663 | { |
073ba374 | 664 | /** Creates a blank header. If this routine is made incremental, this will not do */ |
82384411 | 665 | Ctx ctx = ctx_enter(entry->mem_obj->url); |
bf8fe701 | 666 | debugs(11, 3, "processReplyHeader: key '" << entry->getMD5Text() << "'"); |
62e76326 | 667 | |
1a98175f | 668 | assert(!flags.headers_parsed); |
62e76326 | 669 | |
2afaba07 | 670 | http_status error = HTTP_STATUS_NONE; |
62e76326 | 671 | |
585ab260 | 672 | HttpReply *newrep = new HttpReply; |
4a56ee8d | 673 | const bool parsed = newrep->parse(readBuf, eof, &error); |
62e76326 | 674 | |
793c0ba9 | 675 | if(!parsed && readBuf->contentSize() > 5 && strncmp(readBuf->content(), "HTTP/", 5) != 0){ |
676 | MemBuf *mb; | |
677 | HttpReply *tmprep = new HttpReply; | |
678 | tmprep->sline.version = HttpVersion(1, 0); | |
679 | tmprep->sline.status = HTTP_OK; | |
680 | tmprep->header.putTime(HDR_DATE, squid_curtime); | |
681 | tmprep->header.putExt("X-Transformed-From", "HTTP/0.9"); | |
682 | mb = tmprep->pack(); | |
683 | newrep->parse(mb, eof, &error); | |
684 | delete tmprep; | |
4eb368f9 | 685 | } |
793c0ba9 | 686 | else{ |
687 | if (!parsed && error > 0) { // unrecoverable parsing error | |
688 | debugs(11, 3, "processReplyHeader: Non-HTTP-compliant header: '" << readBuf->content() << "'"); | |
689 | flags.headers_parsed = 1; | |
ba82c452 | 690 | newrep->sline.version = HttpVersion(1, 0); |
691 | newrep->sline.status = error; | |
585ab260 | 692 | HttpReply *vrep = setVirginReply(newrep); |
693 | entry->replaceHttpReply(vrep); | |
793c0ba9 | 694 | ctx_exit(ctx); |
695 | return; | |
696 | } | |
073ba374 | 697 | |
793c0ba9 | 698 | if (!parsed) { // need more data |
699 | assert(!error); | |
700 | assert(!eof); | |
701 | delete newrep; | |
702 | ctx_exit(ctx); | |
703 | return; | |
704 | } | |
073ba374 | 705 | |
793c0ba9 | 706 | debugs(11, 9, "GOT HTTP REPLY HDR:\n---------\n" << readBuf->content() << "\n----------"); |
073ba374 | 707 | |
793c0ba9 | 708 | header_bytes_read = headersEnd(readBuf->content(), readBuf->contentSize()); |
709 | readBuf->consume(header_bytes_read); | |
f5558c95 | 710 | } |
62e76326 | 711 | |
af0bb8e5 | 712 | flags.chunked = 0; |
713 | if (newrep->header.hasListMember(HDR_TRANSFER_ENCODING, "chunked", ',')) { | |
714 | flags.chunked = 1; | |
715 | httpChunkDecoder = new ChunkedCodingParser; | |
716 | } | |
717 | ||
585ab260 | 718 | HttpReply *vrep = setVirginReply(newrep); |
6965ab28 | 719 | flags.headers_parsed = 1; |
720 | ||
585ab260 | 721 | keepaliveAccounting(vrep); |
47ac2ebe | 722 | |
585ab260 | 723 | checkDateSkew(vrep); |
47ac2ebe | 724 | |
585ab260 | 725 | processSurrogateControl (vrep); |
528b2c61 | 726 | |
073ba374 | 727 | /** \todo IF the reply is a 1.0 reply, AND it has a Connection: Header |
528b2c61 | 728 | * Parse the header and remove all referenced headers |
729 | */ | |
730 | ||
2afaba07 | 731 | ctx_exit(ctx); |
7dc79973 | 732 | |
2afaba07 | 733 | } |
734 | ||
5f8252d2 | 735 | // Called when we parsed (and possibly adapted) the headers but |
736 | // had not starting storing (a.k.a., sending) the body yet. | |
2afaba07 | 737 | void |
738 | HttpStateData::haveParsedReplyHeaders() | |
739 | { | |
c1520b67 AJ |
740 | ServerStateData::haveParsedReplyHeaders(); |
741 | ||
2afaba07 | 742 | Ctx ctx = ctx_enter(entry->mem_obj->url); |
585ab260 | 743 | HttpReply *rep = finalReply(); |
2afaba07 | 744 | |
585ab260 | 745 | if (rep->sline.status == HTTP_PARTIAL_CONTENT && |
746 | rep->content_range) | |
747 | currentOffset = rep->content_range->spec.offset; | |
62e76326 | 748 | |
3900307b | 749 | entry->timestampsSet(); |
62e76326 | 750 | |
9bc73deb | 751 | /* Check if object is cacheable or not based on reply code */ |
585ab260 | 752 | debugs(11, 3, "haveParsedReplyHeaders: HTTP CODE: " << rep->sline.status); |
62e76326 | 753 | |
9bc73deb | 754 | if (neighbors_do_private_keys) |
585ab260 | 755 | httpMaybeRemovePublic(entry, rep->sline.status); |
e6ccf245 | 756 | |
585ab260 | 757 | if (rep->header.has(HDR_VARY) |
f66a9ef4 | 758 | #if X_ACCELERATOR_VARY |
585ab260 | 759 | || rep->header.has(HDR_X_ACCELERATOR_VARY) |
f66a9ef4 | 760 | #endif |
4b44c907 | 761 | ) { |
585ab260 | 762 | const char *vary = httpMakeVaryMark(orig_request, rep); |
4b44c907 | 763 | |
764 | if (!vary) { | |
5ed72359 | 765 | entry->makePrivate(); |
4b44c907 | 766 | goto no_cache; |
767 | ||
62e76326 | 768 | } |
769 | ||
4b44c907 | 770 | entry->mem_obj->vary_headers = xstrdup(vary); |
771 | } | |
772 | ||
2afaba07 | 773 | #if WIP_FWD_LOG |
774 | fwdStatus(fwd, s); | |
775 | ||
776 | #endif | |
777 | /* | |
778 | * If its not a reply that we will re-forward, then | |
779 | * allow the client to get it. | |
780 | */ | |
585ab260 | 781 | if (!fwd->reforwardableStatus(rep->sline.status)) |
2afaba07 | 782 | EBIT_CLR(entry->flags, ENTRY_FWD_HDR_WAIT); |
783 | ||
4b44c907 | 784 | switch (cacheableReply()) { |
785 | ||
786 | case 1: | |
5ed72359 | 787 | entry->makePublic(); |
62e76326 | 788 | break; |
789 | ||
9bc73deb | 790 | case 0: |
5ed72359 | 791 | entry->makePrivate(); |
62e76326 | 792 | break; |
793 | ||
9bc73deb | 794 | case -1: |
4b44c907 | 795 | |
ac9cc053 | 796 | #if HTTP_VIOLATIONS |
4b44c907 | 797 | if (Config.negativeTtl > 0) |
5ed72359 | 798 | entry->cacheNegatively(); |
4b44c907 | 799 | else |
ac9cc053 | 800 | #endif |
5ed72359 | 801 | entry->makePrivate(); |
4b44c907 | 802 | |
62e76326 | 803 | break; |
804 | ||
9bc73deb | 805 | default: |
62e76326 | 806 | assert(0); |
4b44c907 | 807 | |
62e76326 | 808 | break; |
9bc73deb | 809 | } |
62e76326 | 810 | |
4b44c907 | 811 | no_cache: |
812 | ||
585ab260 | 813 | if (!ignoreCacheControl && rep->cache_control) { |
814 | if (EBIT_TEST(rep->cache_control->mask, CC_PROXY_REVALIDATE)) | |
62e76326 | 815 | EBIT_SET(entry->flags, ENTRY_REVALIDATE); |
585ab260 | 816 | else if (EBIT_TEST(rep->cache_control->mask, CC_MUST_REVALIDATE)) |
62e76326 | 817 | EBIT_SET(entry->flags, ENTRY_REVALIDATE); |
9bc73deb | 818 | } |
62e76326 | 819 | |
c3609322 | 820 | #if HEADERS_LOG |
585ab260 | 821 | headersLog(1, 0, request->method, rep); |
fc68f6b1 | 822 | |
c3609322 | 823 | #endif |
5f8252d2 | 824 | |
825 | ctx_exit(ctx); | |
f5558c95 | 826 | } |
827 | ||
528b2c61 | 828 | HttpStateData::ConnectionStatus |
829 | HttpStateData::statusIfComplete() const | |
603a02fd | 830 | { |
585ab260 | 831 | const HttpReply *rep = virginReply(); |
073ba374 AJ |
832 | /** \par |
833 | * If the reply wants to close the connection, it takes precedence */ | |
62e76326 | 834 | |
2afaba07 | 835 | if (httpHeaderHasConnDir(&rep->header, "close")) |
62e76326 | 836 | return COMPLETE_NONPERSISTENT_MSG; |
837 | ||
073ba374 AJ |
838 | /** \par |
839 | * If we didn't send a keep-alive request header, then this | |
978e455f | 840 | * can not be a persistent connection. |
841 | */ | |
528b2c61 | 842 | if (!flags.keepalive) |
62e76326 | 843 | return COMPLETE_NONPERSISTENT_MSG; |
844 | ||
073ba374 | 845 | /** \par |
72b63f06 | 846 | * If we haven't sent the whole request then this can not be a persistent |
847 | * connection. | |
848 | */ | |
849 | if (!flags.request_sent) { | |
60745f24 | 850 | debugs(11, 1, "statusIfComplete: Request not yet fully sent \"" << RequestMethodStr(orig_request->method) << " " << entry->url() << "\"" ); |
72b63f06 | 851 | return COMPLETE_NONPERSISTENT_MSG; |
852 | } | |
853 | ||
073ba374 | 854 | /** \par |
9f5a2895 | 855 | * What does the reply have to say about keep-alive? |
856 | */ | |
073ba374 AJ |
857 | /** |
858 | \bug XXX BUG? | |
b6a2f15e | 859 | * If the origin server (HTTP/1.0) does not send a keep-alive |
860 | * header, but keeps the connection open anyway, what happens? | |
861 | * We'll return here and http.c waits for an EOF before changing | |
862 | * store_status to STORE_OK. Combine this with ENTRY_FWD_HDR_WAIT | |
863 | * and an error status code, and we might have to wait until | |
864 | * the server times out the socket. | |
865 | */ | |
2afaba07 | 866 | if (!rep->keep_alive) |
528b2c61 | 867 | return COMPLETE_NONPERSISTENT_MSG; |
62e76326 | 868 | |
528b2c61 | 869 | return COMPLETE_PERSISTENT_MSG; |
870 | } | |
871 | ||
872 | HttpStateData::ConnectionStatus | |
873 | HttpStateData::persistentConnStatus() const | |
874 | { | |
ba82c452 | 875 | debugs(11, 3, "persistentConnStatus: FD " << fd << " eof=" << eof); |
585ab260 | 876 | const HttpReply *vrep = virginReply(); |
877 | debugs(11, 5, "persistentConnStatus: content_length=" << vrep->content_length); | |
62e76326 | 878 | |
5f8252d2 | 879 | /* If we haven't seen the end of reply headers, we are not done */ |
bf8fe701 | 880 | debugs(11, 5, "persistentConnStatus: flags.headers_parsed=" << flags.headers_parsed); |
fc68f6b1 | 881 | |
1a98175f | 882 | if (!flags.headers_parsed) |
62e76326 | 883 | return INCOMPLETE_MSG; |
884 | ||
839291ac AJ |
885 | if (eof) // already reached EOF |
886 | return COMPLETE_NONPERSISTENT_MSG; | |
887 | ||
af0bb8e5 | 888 | /* In chunked responce we do not know the content length but we are absolutelly |
889 | * sure about the end of response, so we are calling the statusIfComplete to | |
890 | * decide if we can be persistant | |
891 | */ | |
839291ac | 892 | if (lastChunk && flags.chunked) |
af0bb8e5 | 893 | return statusIfComplete(); |
894 | ||
47f6e231 | 895 | const int64_t clen = vrep->bodySize(request->method); |
fc68f6b1 | 896 | |
bf8fe701 | 897 | debugs(11, 5, "persistentConnStatus: clen=" << clen); |
2afaba07 | 898 | |
35282fbf | 899 | /* If the body size is unknown we must wait for EOF */ |
900 | if (clen < 0) | |
62e76326 | 901 | return INCOMPLETE_MSG; |
902 | ||
5f8252d2 | 903 | /* If the body size is known, we must wait until we've gotten all of it. */ |
904 | if (clen > 0) { | |
905 | // old technique: | |
585ab260 | 906 | // if (entry->mem_obj->endOffset() < vrep->content_length + vrep->hdr_sz) |
47f6e231 | 907 | const int64_t body_bytes_read = reply_bytes_read - header_bytes_read; |
5f8252d2 | 908 | debugs(11,5, "persistentConnStatus: body_bytes_read=" << |
585ab260 | 909 | body_bytes_read << " content_length=" << vrep->content_length); |
2afaba07 | 910 | |
585ab260 | 911 | if (body_bytes_read < vrep->content_length) |
5f8252d2 | 912 | return INCOMPLETE_MSG; |
913 | } | |
62e76326 | 914 | |
5f8252d2 | 915 | /* If there is no message body or we got it all, we can be persistent */ |
916 | return statusIfComplete(); | |
603a02fd | 917 | } |
090089c4 | 918 | |
2afaba07 | 919 | /* |
920 | * This is the callback after some data has been read from the network | |
921 | */ | |
dc56a9b1 | 922 | /* |
e5ee81f0 | 923 | void |
924 | HttpStateData::ReadReplyWrapper(int fd, char *buf, size_t len, comm_err_t flag, int xerrno, void *data) | |
c4b7a5a9 | 925 | { |
926 | HttpStateData *httpState = static_cast<HttpStateData *>(data); | |
7194987f | 927 | assert (fd == httpState->fd); |
2afaba07 | 928 | // assert(buf == readBuf->content()); |
1d5161bd | 929 | PROF_start(HttpStateData_readReply); |
2afaba07 | 930 | httpState->readReply (len, flag, xerrno); |
1d5161bd | 931 | PROF_stop(HttpStateData_readReply); |
c4b7a5a9 | 932 | } |
dc56a9b1 | 933 | */ |
073ba374 | 934 | |
2afdbf48 | 935 | /* XXX this function is too long! */ |
c4b7a5a9 | 936 | void |
dc56a9b1 | 937 | HttpStateData::readReply (const CommIoCbParams &io) |
090089c4 | 938 | { |
30a4f2a8 | 939 | int bin; |
090089c4 | 940 | int clen; |
dc56a9b1 | 941 | int len = io.size; |
c4b7a5a9 | 942 | |
dc56a9b1 | 943 | assert(fd == io.fd); |
944 | ||
945 | flags.do_next_read = 0; | |
946 | ||
7a7cc03f | 947 | debugs(11, 5, "httpReadReply: FD " << fd << ": len " << len << "."); |
62e76326 | 948 | |
7a7cc03f | 949 | // Bail out early on COMM_ERR_CLOSING - close handlers will tidy up for us |
dc56a9b1 | 950 | if (io.flag == COMM_ERR_CLOSING) { |
bf8fe701 | 951 | debugs(11, 3, "http socket closing"); |
c4b7a5a9 | 952 | return; |
953 | } | |
954 | ||
e92e4e44 | 955 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { |
5f8252d2 | 956 | maybeReadVirginBody(); |
62e76326 | 957 | return; |
e92e4e44 | 958 | } |
c4b7a5a9 | 959 | |
fdf55365 | 960 | // handle I/O errors |
dc56a9b1 | 961 | if (io.flag != COMM_OK || len < 0) { |
7a7cc03f | 962 | debugs(11, 2, "httpReadReply: FD " << fd << ": read failure: " << xstrerror() << "."); |
fdf55365 | 963 | |
dc56a9b1 | 964 | if (ignoreErrno(io.xerrno)) { |
fdf55365 | 965 | flags.do_next_read = 1; |
966 | } else { | |
967 | ErrorState *err; | |
968 | err = errorCon(ERR_READ_ERROR, HTTP_BAD_GATEWAY, fwd->request); | |
dc56a9b1 | 969 | err->xerrno = io.xerrno; |
fdf55365 | 970 | fwd->fail(err); |
971 | flags.do_next_read = 0; | |
972 | comm_close(fd); | |
973 | } | |
974 | ||
975 | return; | |
976 | } | |
977 | ||
7a7cc03f | 978 | // update I/O stats |
fdf55365 | 979 | if (len > 0) { |
2afaba07 | 980 | readBuf->appended(len); |
5f8252d2 | 981 | reply_bytes_read += len; |
447e176b | 982 | #if DELAY_POOLS |
2afaba07 | 983 | |
984 | DelayId delayId = entry->mem_obj->mostBytesAllowed(); | |
62e76326 | 985 | delayId.bytesIn(len); |
447e176b | 986 | #endif |
62e76326 | 987 | |
988 | kb_incr(&statCounter.server.all.kbytes_in, len); | |
989 | kb_incr(&statCounter.server.http.kbytes_in, len); | |
62e76326 | 990 | IOStats.Http.reads++; |
991 | ||
992 | for (clen = len - 1, bin = 0; clen; bin++) | |
993 | clen >>= 1; | |
994 | ||
995 | IOStats.Http.read_hist[bin]++; | |
30a4f2a8 | 996 | } |
62e76326 | 997 | |
073ba374 AJ |
998 | /** \par |
999 | * Here the RFC says we should ignore whitespace between replies, but we can't as | |
5fa061b8 | 1000 | * doing so breaks HTTP/0.9 replies beginning with witespace, and in addition |
1001 | * the response splitting countermeasures is extremely likely to trigger on this, | |
1002 | * not allowing connection reuse in the first place. | |
1003 | */ | |
1004 | #if DONT_DO_THIS | |
fdf55365 | 1005 | if (!flags.headers_parsed && len > 0 && fd_table[fd].uses > 1) { |
5fa061b8 | 1006 | /* Skip whitespace between replies */ |
62e76326 | 1007 | |
e4755e29 | 1008 | while (len > 0 && xisspace(*buf)) |
62e76326 | 1009 | xmemmove(buf, buf + 1, len--); |
1010 | ||
1011 | if (len == 0) { | |
1012 | /* Continue to read... */ | |
21b92762 | 1013 | /* Timeout NOT increased. This whitespace was from previous reply */ |
f61f0107 | 1014 | flags.do_next_read = 1; |
5f8252d2 | 1015 | maybeReadVirginBody(); |
62e76326 | 1016 | return; |
1017 | } | |
5ede6c8f | 1018 | } |
62e76326 | 1019 | |
5fa061b8 | 1020 | #endif |
1021 | ||
ba82c452 | 1022 | if (len == 0) { // reached EOF? |
62e76326 | 1023 | eof = 1; |
f61f0107 | 1024 | flags.do_next_read = 0; |
ba82c452 | 1025 | } |
62e76326 | 1026 | |
ba82c452 | 1027 | if (!flags.headers_parsed) { // have not parsed headers yet? |
1028 | PROF_start(HttpStateData_processReplyHeader); | |
1029 | processReplyHeader(); | |
1030 | PROF_stop(HttpStateData_processReplyHeader); | |
1031 | ||
1032 | if (!continueAfterParsingHeader()) // parsing error or need more data | |
1033 | return; // TODO: send errors to ICAP | |
1034 | ||
585ab260 | 1035 | adaptOrFinalizeReply(); |
ba82c452 | 1036 | } |
1037 | ||
1038 | // kick more reads if needed and/or process the response body, if any | |
1039 | PROF_start(HttpStateData_processReplyBody); | |
1040 | processReplyBody(); // may call serverComplete() | |
1041 | PROF_stop(HttpStateData_processReplyBody); | |
1042 | } | |
1043 | ||
073ba374 AJ |
1044 | /** |
1045 | \retval true if we can continue with processing the body or doing ICAP. | |
1046 | */ | |
ba82c452 | 1047 | bool |
1048 | HttpStateData::continueAfterParsingHeader() | |
1049 | { | |
073ba374 | 1050 | if (!flags.headers_parsed && !eof) { |
ba82c452 | 1051 | debugs(11, 9, HERE << "needs more at " << readBuf->contentSize()); |
1052 | flags.do_next_read = 1; | |
073ba374 AJ |
1053 | /** \retval false If we have not finished parsing the headers and may get more data. |
1054 | * Schedules more reads to retrieve the missing data. | |
1055 | */ | |
ba82c452 | 1056 | maybeReadVirginBody(); // schedules all kinds of reads; TODO: rename |
073ba374 | 1057 | return false; |
ba82c452 | 1058 | } |
1059 | ||
073ba374 | 1060 | /** If we are done with parsing, check for errors */ |
ba82c452 | 1061 | |
1062 | err_type error = ERR_NONE; | |
1063 | ||
1064 | if (flags.headers_parsed) { // parsed headers, possibly with errors | |
1065 | // check for header parsing errors | |
585ab260 | 1066 | if (HttpReply *vrep = virginReply()) { |
1067 | const http_status s = vrep->sline.status; | |
1068 | const HttpVersion &v = vrep->sline.version; | |
ba82c452 | 1069 | if (s == HTTP_INVALID_HEADER && v != HttpVersion(0,9)) { |
1070 | error = ERR_INVALID_RESP; | |
1071 | } else | |
1072 | if (s == HTTP_HEADER_TOO_LARGE) { | |
b6b6f466 | 1073 | fwd->dontRetry(true); |
ba82c452 | 1074 | error = ERR_TOO_BIG; |
4eb368f9 | 1075 | } else { |
ba82c452 | 1076 | return true; // done parsing, got reply, and no error |
4eb368f9 | 1077 | } |
ba82c452 | 1078 | } else { |
1079 | // parsed headers but got no reply | |
1080 | error = ERR_INVALID_RESP; | |
62e76326 | 1081 | } |
090089c4 | 1082 | } else { |
ba82c452 | 1083 | assert(eof); |
1084 | error = readBuf->hasContent() ? | |
1085 | ERR_INVALID_RESP : ERR_ZERO_SIZE_OBJECT; | |
2afaba07 | 1086 | } |
ba82c452 | 1087 | |
1088 | assert(error != ERR_NONE); | |
1089 | entry->reset(); | |
1090 | fwd->fail(errorCon(error, HTTP_BAD_GATEWAY, fwd->request)); | |
1091 | flags.do_next_read = 0; | |
1092 | comm_close(fd); | |
1093 | return false; // quit on error | |
2afaba07 | 1094 | } |
1095 | ||
073ba374 | 1096 | /** |
2afaba07 | 1097 | * Call this when there is data from the origin server |
1098 | * which should be sent to either StoreEntry, or to ICAP... | |
1099 | */ | |
1100 | void | |
5f8252d2 | 1101 | HttpStateData::writeReplyBody() |
2afaba07 | 1102 | { |
5f8252d2 | 1103 | const char *data = readBuf->content(); |
1104 | int len = readBuf->contentSize(); | |
bc81cb2b | 1105 | addVirginReplyBody(data, len); |
5f8252d2 | 1106 | readBuf->consume(len); |
af0bb8e5 | 1107 | } |
fc68f6b1 | 1108 | |
af0bb8e5 | 1109 | bool |
1110 | HttpStateData::decodeAndWriteReplyBody() | |
1111 | { | |
1112 | const char *data = NULL; | |
1113 | int len; | |
1114 | bool status = false; | |
1115 | assert(flags.chunked); | |
1116 | assert(httpChunkDecoder); | |
1117 | SQUID_ENTER_THROWING_CODE(); | |
1118 | MemBuf decodedData; | |
1119 | decodedData.init(); | |
1120 | const bool done = httpChunkDecoder->parse(readBuf,&decodedData); | |
1121 | len = decodedData.contentSize(); | |
1122 | data=decodedData.content(); | |
1123 | addVirginReplyBody(data, len); | |
1124 | if (done) { | |
839291ac AJ |
1125 | lastChunk = 1; |
1126 | flags.do_next_read = 0; | |
af0bb8e5 | 1127 | } |
1128 | SQUID_EXIT_THROWING_CODE(status); | |
1129 | return status; | |
e6ccf245 | 1130 | } |
1131 | ||
073ba374 | 1132 | /** |
2afaba07 | 1133 | * processReplyBody has two purposes: |
1134 | * 1 - take the reply body data, if any, and put it into either | |
1135 | * the StoreEntry, or give it over to ICAP. | |
1136 | * 2 - see if we made it to the end of the response (persistent | |
1137 | * connections and such) | |
1138 | */ | |
e6ccf245 | 1139 | void |
2afaba07 | 1140 | HttpStateData::processReplyBody() |
e6ccf245 | 1141 | { |
dc56a9b1 | 1142 | AsyncCall::Pointer call; |
cc192b50 | 1143 | IPAddress client_addr; |
fc68f6b1 | 1144 | |
1a98175f | 1145 | if (!flags.headers_parsed) { |
f61f0107 | 1146 | flags.do_next_read = 1; |
5f8252d2 | 1147 | maybeReadVirginBody(); |
62e76326 | 1148 | return; |
528b2c61 | 1149 | } |
62e76326 | 1150 | |
a83c6ed6 AR |
1151 | #if USE_ADAPTATION |
1152 | if (adaptationAccessCheckPending) | |
2afaba07 | 1153 | return; |
fc68f6b1 | 1154 | |
2afaba07 | 1155 | #endif |
62e76326 | 1156 | |
2afaba07 | 1157 | /* |
1158 | * At this point the reply headers have been parsed and consumed. | |
1159 | * That means header content has been removed from readBuf and | |
1160 | * it contains only body data. | |
1161 | */ | |
af0bb8e5 | 1162 | if(flags.chunked){ |
1163 | if(!decodeAndWriteReplyBody()){ | |
1164 | flags.do_next_read = 0; | |
1165 | serverComplete(); | |
1166 | return; | |
1167 | } | |
1168 | } | |
1169 | else | |
1170 | writeReplyBody(); | |
528b2c61 | 1171 | |
e6ccf245 | 1172 | if (EBIT_TEST(entry->flags, ENTRY_ABORTED)) { |
62e76326 | 1173 | /* |
073ba374 | 1174 | * The above writeReplyBody() call could ABORT this entry, |
62e76326 | 1175 | * in that case, the server FD should already be closed. |
1176 | * there's nothing for us to do. | |
1177 | */ | |
1178 | (void) 0; | |
1179 | } else | |
1180 | switch (persistentConnStatus()) { | |
62e76326 | 1181 | case INCOMPLETE_MSG: |
bf8fe701 | 1182 | debugs(11, 5, "processReplyBody: INCOMPLETE_MSG"); |
21b92762 | 1183 | /* Wait for more data or EOF condition */ |
21b92762 | 1184 | if (flags.keepalive_broken) { |
dc56a9b1 | 1185 | call = NULL; |
1186 | commSetTimeout(fd, 10, call); | |
21b92762 | 1187 | } else { |
dc56a9b1 | 1188 | call = NULL; |
1189 | commSetTimeout(fd, Config.Timeout.read, call); | |
21b92762 | 1190 | } |
1191 | ||
f61f0107 | 1192 | flags.do_next_read = 1; |
62e76326 | 1193 | break; |
1194 | ||
1195 | case COMPLETE_PERSISTENT_MSG: | |
bf8fe701 | 1196 | debugs(11, 5, "processReplyBody: COMPLETE_PERSISTENT_MSG"); |
62e76326 | 1197 | /* yes we have to clear all these! */ |
dc56a9b1 | 1198 | call = NULL; |
1199 | commSetTimeout(fd, -1, call); | |
f61f0107 | 1200 | flags.do_next_read = 0; |
62e76326 | 1201 | |
dc56a9b1 | 1202 | comm_remove_close_handler(fd, closeHandler); |
1203 | closeHandler = NULL; | |
b6b6f466 | 1204 | fwd->unregister(fd); |
fc68f6b1 | 1205 | |
f165d2fb | 1206 | if (orig_request->flags.spoof_client_ip) |
cc192b50 | 1207 | client_addr = orig_request->client_addr; |
fc68f6b1 | 1208 | |
bd0723ad | 1209 | if (_peer) { |
1210 | if (_peer->options.originserver) | |
cc192b50 | 1211 | fwd->pconnPush(fd, _peer->name, orig_request->port, orig_request->GetHost(), client_addr); |
bd0723ad | 1212 | else |
fc68f6b1 | 1213 | fwd->pconnPush(fd, _peer->name, _peer->http_port, NULL, client_addr); |
bd0723ad | 1214 | } else { |
cc192b50 | 1215 | fwd->pconnPush(fd, request->GetHost(), request->port, NULL, client_addr); |
bd0723ad | 1216 | } |
1217 | ||
62e76326 | 1218 | fd = -1; |
2afaba07 | 1219 | |
5f8252d2 | 1220 | serverComplete(); |
62e76326 | 1221 | return; |
1222 | ||
1223 | case COMPLETE_NONPERSISTENT_MSG: | |
bf8fe701 | 1224 | debugs(11, 5, "processReplyBody: COMPLETE_NONPERSISTENT_MSG"); |
5f8252d2 | 1225 | serverComplete(); |
62e76326 | 1226 | return; |
1227 | } | |
1228 | ||
5f8252d2 | 1229 | maybeReadVirginBody(); |
c4b7a5a9 | 1230 | } |
1231 | ||
1232 | void | |
5f8252d2 | 1233 | HttpStateData::maybeReadVirginBody() |
c4b7a5a9 | 1234 | { |
7dc79973 | 1235 | int read_sz = replyBodySpace(readBuf->spaceSize()); |
2afaba07 | 1236 | |
5f8252d2 | 1237 | debugs(11,9, HERE << (flags.do_next_read ? "may" : "wont") << |
fc68f6b1 | 1238 | " read up to " << read_sz << " bytes from FD " << fd); |
2afaba07 | 1239 | |
1240 | /* | |
1241 | * why <2? Because delayAwareRead() won't actually read if | |
1242 | * you ask it to read 1 byte. The delayed read request | |
1243 | * just gets re-queued until the client side drains, then | |
1244 | * the I/O thread hangs. Better to not register any read | |
1245 | * handler until we get a notification from someone that | |
1246 | * its okay to read again. | |
1247 | */ | |
53dbd8cb | 1248 | if (read_sz < 2) { |
1249 | if (flags.headers_parsed) | |
1250 | return; | |
1251 | else | |
1252 | read_sz = 1024; | |
1253 | } | |
2afaba07 | 1254 | |
f61f0107 | 1255 | if (flags.do_next_read) { |
dc56a9b1 | 1256 | flags.do_next_read = 0; |
1257 | typedef CommCbMemFunT<HttpStateData, CommIoCbParams> Dialer; | |
1258 | entry->delayAwareRead(fd, readBuf->space(read_sz), read_sz, | |
1259 | asyncCall(11, 5, "HttpStateData::readReply", | |
1260 | Dialer(this, &HttpStateData::readReply))); | |
528b2c61 | 1261 | } |
090089c4 | 1262 | } |
1263 | ||
2afaba07 | 1264 | /* |
1265 | * This will be called when request write is complete. | |
1266 | */ | |
d576a6a6 | 1267 | void |
dc56a9b1 | 1268 | HttpStateData::sendComplete(const CommIoCbParams &io) |
090089c4 | 1269 | { |
dc56a9b1 | 1270 | debugs(11, 5, "httpSendComplete: FD " << fd << ": size " << io.size << ": errflag " << io.flag << "."); |
bc87dc25 | 1271 | #if URL_CHECKSUM_DEBUG |
62e76326 | 1272 | |
528b2c61 | 1273 | entry->mem_obj->checkUrlChecksum(); |
bc87dc25 | 1274 | #endif |
62e76326 | 1275 | |
dc56a9b1 | 1276 | if (io.size > 0) { |
1277 | fd_bytes(fd, io.size, FD_WRITE); | |
1278 | kb_incr(&statCounter.server.all.kbytes_out, io.size); | |
1279 | kb_incr(&statCounter.server.http.kbytes_out, io.size); | |
ee1679df | 1280 | } |
62e76326 | 1281 | |
dc56a9b1 | 1282 | if (io.flag == COMM_ERR_CLOSING) |
62e76326 | 1283 | return; |
1284 | ||
dc56a9b1 | 1285 | if (io.flag) { |
6cae5db1 | 1286 | ErrorState *err; |
dc56a9b1 | 1287 | err = errorCon(ERR_WRITE_ERROR, HTTP_BAD_GATEWAY, fwd->request); |
1288 | err->xerrno = io.xerrno; | |
1289 | fwd->fail(err); | |
62e76326 | 1290 | comm_close(fd); |
1291 | return; | |
090089c4 | 1292 | } |
72b63f06 | 1293 | |
2afaba07 | 1294 | /* |
1295 | * Set the read timeout here because it hasn't been set yet. | |
1296 | * We only set the read timeout after the request has been | |
1297 | * fully written to the server-side. If we start the timeout | |
1298 | * after connection establishment, then we are likely to hit | |
1299 | * the timeout for POST/PUT requests that have very large | |
1300 | * request bodies. | |
1301 | */ | |
dc56a9b1 | 1302 | typedef CommCbMemFunT<HttpStateData, CommTimeoutCbParams> TimeoutDialer; |
1303 | AsyncCall::Pointer timeoutCall = asyncCall(11, 5, "HttpStateData::httpTimeout", | |
1304 | TimeoutDialer(this,&HttpStateData::httpTimeout)); | |
2afaba07 | 1305 | |
dc56a9b1 | 1306 | commSetTimeout(fd, Config.Timeout.read, timeoutCall); |
1307 | ||
1308 | flags.request_sent = 1; | |
090089c4 | 1309 | } |
1310 | ||
5f8252d2 | 1311 | // Close the HTTP server connection. Used by serverComplete(). |
2afaba07 | 1312 | void |
5f8252d2 | 1313 | HttpStateData::closeServer() |
2afaba07 | 1314 | { |
5f8252d2 | 1315 | debugs(11,5, HERE << "closing HTTP server FD " << fd << " this " << this); |
fc68f6b1 | 1316 | |
2afaba07 | 1317 | if (fd >= 0) { |
b6b6f466 | 1318 | fwd->unregister(fd); |
dc56a9b1 | 1319 | comm_remove_close_handler(fd, closeHandler); |
1320 | closeHandler = NULL; | |
2afaba07 | 1321 | comm_close(fd); |
1322 | fd = -1; | |
1323 | } | |
5f8252d2 | 1324 | } |
2afaba07 | 1325 | |
5f8252d2 | 1326 | bool |
1327 | HttpStateData::doneWithServer() const | |
1328 | { | |
1329 | return fd < 0; | |
2afaba07 | 1330 | } |
1331 | ||
99edd1c3 | 1332 | /* |
1333 | * build request headers and append them to a given MemBuf | |
e5ee81f0 | 1334 | * used by buildRequestPrefix() |
818c6c9e | 1335 | * note: initialised the HttpHeader, the caller is responsible for Clean()-ing |
99edd1c3 | 1336 | */ |
e1e72f06 | 1337 | void |
e5ee81f0 | 1338 | HttpStateData::httpBuildRequestHeader(HttpRequest * request, |
1339 | HttpRequest * orig_request, | |
1340 | StoreEntry * entry, | |
1341 | HttpHeader * hdr_out, | |
1342 | http_state_flags flags) | |
6bf8443a | 1343 | { |
99edd1c3 | 1344 | /* building buffer for complex strings */ |
5999b776 | 1345 | #define BBUF_SZ (MAX_URL+32) |
99edd1c3 | 1346 | LOCAL_ARRAY(char, bbuf, BBUF_SZ); |
67c06f0d | 1347 | LOCAL_ARRAY(char, ntoabuf, MAX_IPSTRLEN); |
99edd1c3 | 1348 | const HttpHeader *hdr_in = &orig_request->header; |
67c06f0d | 1349 | const HttpHeaderEntry *e = NULL; |
30abd221 | 1350 | String strFwd; |
99edd1c3 | 1351 | HttpHeaderPos pos = HttpHeaderInitPos; |
75faaa7a | 1352 | assert (hdr_out->owner == hoRequest); |
99edd1c3 | 1353 | /* append our IMS header */ |
62e76326 | 1354 | |
fa3e249f | 1355 | if (request->lastmod > -1) |
a9925b40 | 1356 | hdr_out->putTime(HDR_IF_MODIFIED_SINCE, request->lastmod); |
99edd1c3 | 1357 | |
528b2c61 | 1358 | bool we_do_ranges = decideIfWeDoRanges (orig_request); |
1359 | ||
30abd221 | 1360 | String strConnection (hdr_in->getList(HDR_CONNECTION)); |
62e76326 | 1361 | |
a9925b40 | 1362 | while ((e = hdr_in->getEntry(&pos))) |
62e76326 | 1363 | copyOneHeaderFromClientsideRequestToUpstreamRequest(e, strConnection, request, orig_request, hdr_out, we_do_ranges, flags); |
528b2c61 | 1364 | |
43ae1d95 | 1365 | /* Abstraction break: We should interpret multipart/byterange responses |
528b2c61 | 1366 | * into offset-length data, and this works around our inability to do so. |
1367 | */ | |
62e76326 | 1368 | if (!we_do_ranges && orig_request->multipartRangeRequest()) { |
1369 | /* don't cache the result */ | |
1370 | orig_request->flags.cachable = 0; | |
1371 | /* pretend it's not a range request */ | |
00d77d6b | 1372 | delete orig_request->range; |
62e76326 | 1373 | orig_request->range = NULL; |
1374 | orig_request->flags.range = 0; | |
1375 | } | |
528b2c61 | 1376 | |
99edd1c3 | 1377 | /* append Via */ |
736cb6aa | 1378 | if (Config.onoff.via) { |
30abd221 | 1379 | String strVia; |
a9925b40 | 1380 | strVia = hdr_in->getList(HDR_VIA); |
62e76326 | 1381 | snprintf(bbuf, BBUF_SZ, "%d.%d %s", |
1382 | orig_request->http_ver.major, | |
1383 | orig_request->http_ver.minor, ThisCache); | |
1384 | strListAdd(&strVia, bbuf, ','); | |
30abd221 | 1385 | hdr_out->putStr(HDR_VIA, strVia.buf()); |
1386 | strVia.clean(); | |
736cb6aa | 1387 | } |
62e76326 | 1388 | |
f41735ea | 1389 | #if USE_SQUID_ESI |
43ae1d95 | 1390 | { |
1391 | /* Append Surrogate-Capabilities */ | |
30abd221 | 1392 | String strSurrogate (hdr_in->getList(HDR_SURROGATE_CAPABILITY)); |
ec43ae0e | 1393 | snprintf(bbuf, BBUF_SZ, "%s=\"Surrogate/1.0 ESI/1.0\"", |
43ae1d95 | 1394 | Config.Accel.surrogate_id); |
1395 | strListAdd(&strSurrogate, bbuf, ','); | |
30abd221 | 1396 | hdr_out->putStr(HDR_SURROGATE_CAPABILITY, strSurrogate.buf()); |
43ae1d95 | 1397 | } |
1398 | #endif | |
1399 | ||
a9925b40 | 1400 | strFwd = hdr_in->getList(HDR_X_FORWARDED_FOR); |
62e76326 | 1401 | |
67c06f0d AJ |
1402 | /** \pre Handle X-Forwarded-For */ |
1403 | if(strcmp(opt_forwarded_for, "delete") != 0) { | |
1404 | if(strcmp(opt_forwarded_for, "on") == 0) { | |
1405 | /** If set to ON - append client IP or 'unknown'. */ | |
1406 | strFwd = hdr_in->getList(HDR_X_FORWARDED_FOR); | |
1407 | if( orig_request->client_addr.IsNoAddr() ) | |
1408 | strListAdd(&strFwd, "unknown", ','); | |
1409 | else | |
1410 | strListAdd(&strFwd, orig_request->client_addr.NtoA(ntoabuf, MAX_IPSTRLEN), ','); | |
1411 | } else if(strcmp(opt_forwarded_for, "off") == 0) { | |
1412 | /** If set to OFF - append 'unknown'. */ | |
1413 | strFwd = hdr_in->getList(HDR_X_FORWARDED_FOR); | |
1414 | strListAdd(&strFwd, "unknown", ','); | |
1415 | } else if(strcmp(opt_forwarded_for, "transparent") == 0) { | |
1416 | /** If set to TRANSPARENT - pass through unchanged. */ | |
1417 | strFwd = hdr_in->getList(HDR_X_FORWARDED_FOR); | |
1418 | } else if(strcmp(opt_forwarded_for, "truncate") == 0) { | |
1419 | /** If set to TRUNCATE - drop existing list and replace with client IP or 'unknown'. */ | |
1420 | if( orig_request->client_addr.IsNoAddr() ) | |
1421 | strFwd = "unknown"; | |
1422 | else | |
1423 | strFwd = orig_request->client_addr.NtoA(ntoabuf, MAX_IPSTRLEN); | |
1424 | } | |
1425 | if(strFwd.size() > 0) | |
1426 | hdr_out->putStr(HDR_X_FORWARDED_FOR, strFwd.buf()); | |
cc192b50 | 1427 | } |
67c06f0d | 1428 | /** If set to DELETE - do not copy through. */ |
30abd221 | 1429 | strFwd.clean(); |
6bccf575 | 1430 | |
99edd1c3 | 1431 | /* append Host if not there already */ |
a9925b40 | 1432 | if (!hdr_out->has(HDR_HOST)) { |
62e76326 | 1433 | if (orig_request->peer_domain) { |
a9925b40 | 1434 | hdr_out->putStr(HDR_HOST, orig_request->peer_domain); |
62e76326 | 1435 | } else if (orig_request->port == urlDefaultPort(orig_request->protocol)) { |
1436 | /* use port# only if not default */ | |
cc192b50 | 1437 | hdr_out->putStr(HDR_HOST, orig_request->GetHost()); |
62e76326 | 1438 | } else { |
1439 | httpHeaderPutStrf(hdr_out, HDR_HOST, "%s:%d", | |
cc192b50 | 1440 | orig_request->GetHost(), |
1441 | (int) orig_request->port); | |
62e76326 | 1442 | } |
6bf8443a | 1443 | } |
62e76326 | 1444 | |
c68e9c6b | 1445 | /* append Authorization if known in URL, not in header and going direct */ |
a9925b40 | 1446 | if (!hdr_out->has(HDR_AUTHORIZATION)) { |
62e76326 | 1447 | if (!request->flags.proxying && *request->login) { |
1448 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1449 | base64_encode(request->login)); | |
1450 | } | |
c68e9c6b | 1451 | } |
62e76326 | 1452 | |
c68e9c6b | 1453 | /* append Proxy-Authorization if configured for peer, and proxying */ |
c3b33cb7 | 1454 | if (request->flags.proxying && orig_request->peer_login && |
a9925b40 | 1455 | !hdr_out->has(HDR_PROXY_AUTHORIZATION)) { |
62e76326 | 1456 | if (*orig_request->peer_login == '*') { |
1457 | /* Special mode, to pass the username to the upstream cache */ | |
1458 | char loginbuf[256]; | |
1459 | const char *username = "-"; | |
1460 | ||
a8bc2b9c | 1461 | if (orig_request->extacl_user.size()) |
30abd221 | 1462 | username = orig_request->extacl_user.buf(); |
a8bc2b9c | 1463 | else if (orig_request->auth_user_request) |
1464 | username = orig_request->auth_user_request->username(); | |
62e76326 | 1465 | |
1466 | snprintf(loginbuf, sizeof(loginbuf), "%s%s", username, orig_request->peer_login + 1); | |
1467 | ||
1468 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", | |
1469 | base64_encode(loginbuf)); | |
1470 | } else if (strcmp(orig_request->peer_login, "PASS") == 0) { | |
abb929f0 | 1471 | if (orig_request->extacl_user.size() && orig_request->extacl_passwd.size()) { |
1472 | char loginbuf[256]; | |
30abd221 | 1473 | snprintf(loginbuf, sizeof(loginbuf), "%s:%s", orig_request->extacl_user.buf(), orig_request->extacl_passwd.buf()); |
abb929f0 | 1474 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", |
1475 | base64_encode(loginbuf)); | |
1476 | } | |
62e76326 | 1477 | } else if (strcmp(orig_request->peer_login, "PROXYPASS") == 0) { |
1478 | /* Nothing to do */ | |
1479 | } else { | |
1480 | httpHeaderPutStrf(hdr_out, HDR_PROXY_AUTHORIZATION, "Basic %s", | |
1481 | base64_encode(orig_request->peer_login)); | |
1482 | } | |
c68e9c6b | 1483 | } |
62e76326 | 1484 | |
be753325 | 1485 | /* append WWW-Authorization if configured for peer */ |
1486 | if (flags.originpeer && orig_request->peer_login && | |
a9925b40 | 1487 | !hdr_out->has(HDR_AUTHORIZATION)) { |
62e76326 | 1488 | if (strcmp(orig_request->peer_login, "PASS") == 0) { |
1489 | /* No credentials to forward.. (should have been done above if available) */ | |
1490 | } else if (strcmp(orig_request->peer_login, "PROXYPASS") == 0) { | |
1491 | /* Special mode, convert proxy authentication to WWW authentication | |
abb929f0 | 1492 | * (also applies to authentication provided by external acl) |
62e76326 | 1493 | */ |
a9925b40 | 1494 | const char *auth = hdr_in->getStr(HDR_PROXY_AUTHORIZATION); |
62e76326 | 1495 | |
1496 | if (auth && strncasecmp(auth, "basic ", 6) == 0) { | |
a9925b40 | 1497 | hdr_out->putStr(HDR_AUTHORIZATION, auth); |
abb929f0 | 1498 | } else if (orig_request->extacl_user.size() && orig_request->extacl_passwd.size()) { |
1499 | char loginbuf[256]; | |
30abd221 | 1500 | snprintf(loginbuf, sizeof(loginbuf), "%s:%s", orig_request->extacl_user.buf(), orig_request->extacl_passwd.buf()); |
abb929f0 | 1501 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", |
1502 | base64_encode(loginbuf)); | |
62e76326 | 1503 | } |
1504 | } else if (*orig_request->peer_login == '*') { | |
1505 | /* Special mode, to pass the username to the upstream cache */ | |
1506 | char loginbuf[256]; | |
1507 | const char *username = "-"; | |
1508 | ||
1509 | if (orig_request->auth_user_request) | |
f5691f9c | 1510 | username = orig_request->auth_user_request->username(); |
abb929f0 | 1511 | else if (orig_request->extacl_user.size()) |
30abd221 | 1512 | username = orig_request->extacl_user.buf(); |
62e76326 | 1513 | |
1514 | snprintf(loginbuf, sizeof(loginbuf), "%s%s", username, orig_request->peer_login + 1); | |
1515 | ||
1516 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1517 | base64_encode(loginbuf)); | |
1518 | } else { | |
1519 | /* Fixed login string */ | |
1520 | httpHeaderPutStrf(hdr_out, HDR_AUTHORIZATION, "Basic %s", | |
1521 | base64_encode(orig_request->peer_login)); | |
1522 | } | |
be753325 | 1523 | } |
62e76326 | 1524 | |
abb929f0 | 1525 | /* append Cache-Control, add max-age if not there already */ { |
a9925b40 | 1526 | HttpHdrCc *cc = hdr_in->getCc(); |
62e76326 | 1527 | |
1528 | if (!cc) | |
1529 | cc = httpHdrCcCreate(); | |
1530 | ||
1531 | if (!EBIT_TEST(cc->mask, CC_MAX_AGE)) { | |
43ae1d95 | 1532 | const char *url = |
3900307b | 1533 | entry ? entry->url() : urlCanonical(orig_request); |
62e76326 | 1534 | httpHdrCcSetMaxAge(cc, getMaxAge(url)); |
1535 | ||
1536 | if (request->urlpath.size()) | |
30abd221 | 1537 | assert(strstr(url, request->urlpath.buf())); |
62e76326 | 1538 | } |
1539 | ||
ce2d6441 | 1540 | /* Set no-cache if determined needed but not found */ |
a9925b40 | 1541 | if (orig_request->flags.nocache && !hdr_in->has(HDR_PRAGMA)) |
ce2d6441 | 1542 | EBIT_SET(cc->mask, CC_NO_CACHE); |
1543 | ||
1544 | /* Enforce sibling relations */ | |
62e76326 | 1545 | if (flags.only_if_cached) |
1546 | EBIT_SET(cc->mask, CC_ONLY_IF_CACHED); | |
1547 | ||
a9925b40 | 1548 | hdr_out->putCc(cc); |
62e76326 | 1549 | |
1550 | httpHdrCcDestroy(cc); | |
6bf8443a | 1551 | } |
62e76326 | 1552 | |
99edd1c3 | 1553 | /* maybe append Connection: keep-alive */ |
b515fc11 | 1554 | if (flags.keepalive) { |
62e76326 | 1555 | if (flags.proxying) { |
a9925b40 | 1556 | hdr_out->putStr(HDR_PROXY_CONNECTION, "keep-alive"); |
62e76326 | 1557 | } else { |
a9925b40 | 1558 | hdr_out->putStr(HDR_CONNECTION, "keep-alive"); |
62e76326 | 1559 | } |
603a02fd | 1560 | } |
62e76326 | 1561 | |
a7ad6e4e | 1562 | /* append Front-End-Https */ |
1563 | if (flags.front_end_https) { | |
62e76326 | 1564 | if (flags.front_end_https == 1 || request->protocol == PROTO_HTTPS) |
a9925b40 | 1565 | hdr_out->putStr(HDR_FRONT_END_HTTPS, "On"); |
a7ad6e4e | 1566 | } |
1567 | ||
6bccf575 | 1568 | /* Now mangle the headers. */ |
4f56514c | 1569 | if (Config2.onoff.mangle_request_headers) |
5967c0bf | 1570 | httpHdrMangleList(hdr_out, request, ROR_REQUEST); |
62e76326 | 1571 | |
30abd221 | 1572 | strConnection.clean(); |
99edd1c3 | 1573 | } |
1574 | ||
528b2c61 | 1575 | void |
30abd221 | 1576 | copyOneHeaderFromClientsideRequestToUpstreamRequest(const HttpHeaderEntry *e, String strConnection, HttpRequest * request, HttpRequest * orig_request, HttpHeader * hdr_out, int we_do_ranges, http_state_flags flags) |
528b2c61 | 1577 | { |
30abd221 | 1578 | debugs(11, 5, "httpBuildRequestHeader: " << e->name.buf() << ": " << e->value.buf()); |
62e76326 | 1579 | |
528b2c61 | 1580 | if (!httpRequestHdrAllowed(e, &strConnection)) { |
30abd221 | 1581 | debugs(11, 2, "'" << e->name.buf() << "' header denied by anonymize_headers configuration"); |
62e76326 | 1582 | return; |
528b2c61 | 1583 | } |
62e76326 | 1584 | |
528b2c61 | 1585 | switch (e->id) { |
62e76326 | 1586 | |
be753325 | 1587 | case HDR_PROXY_AUTHORIZATION: |
62e76326 | 1588 | /* Only pass on proxy authentication to peers for which |
1589 | * authentication forwarding is explicitly enabled | |
1590 | */ | |
1591 | ||
1592 | if (flags.proxying && orig_request->peer_login && | |
abb929f0 | 1593 | (strcmp(orig_request->peer_login, "PASS") == 0 || |
1594 | strcmp(orig_request->peer_login, "PROXYPASS") == 0)) { | |
eede25e7 | 1595 | hdr_out->addEntry(e->clone()); |
62e76326 | 1596 | } |
1597 | ||
1598 | break; | |
1599 | ||
be753325 | 1600 | case HDR_AUTHORIZATION: |
62e76326 | 1601 | /* Pass on WWW authentication */ |
1602 | ||
1603 | if (!flags.originpeer) { | |
eede25e7 | 1604 | hdr_out->addEntry(e->clone()); |
62e76326 | 1605 | } else { |
1606 | /* In accelerators, only forward authentication if enabled | |
1607 | * (see also below for proxy->server authentication) | |
1608 | */ | |
1609 | ||
abb929f0 | 1610 | if (orig_request->peer_login && |
1611 | (strcmp(orig_request->peer_login, "PASS") == 0 || | |
1612 | strcmp(orig_request->peer_login, "PROXYPASS") == 0)) { | |
eede25e7 | 1613 | hdr_out->addEntry(e->clone()); |
62e76326 | 1614 | } |
1615 | } | |
1616 | ||
1617 | break; | |
1618 | ||
be753325 | 1619 | case HDR_HOST: |
62e76326 | 1620 | /* |
b883b594 | 1621 | * Normally Squid rewrites the Host: header. |
1622 | * However, there is one case when we don't: If the URL | |
62e76326 | 1623 | * went through our redirector and the admin configured |
1624 | * 'redir_rewrites_host' to be off. | |
1625 | */ | |
1626 | ||
b883b594 | 1627 | if (request->flags.redirected && !Config.onoff.redir_rewrites_host) |
eede25e7 | 1628 | hdr_out->addEntry(e->clone()); |
b883b594 | 1629 | else { |
1630 | /* use port# only if not default */ | |
1631 | ||
1632 | if (orig_request->port == urlDefaultPort(orig_request->protocol)) { | |
cc192b50 | 1633 | hdr_out->putStr(HDR_HOST, orig_request->GetHost()); |
b883b594 | 1634 | } else { |
1635 | httpHeaderPutStrf(hdr_out, HDR_HOST, "%s:%d", | |
cc192b50 | 1636 | orig_request->GetHost(), |
1637 | (int) orig_request->port); | |
b883b594 | 1638 | } |
1639 | } | |
62e76326 | 1640 | |
1641 | break; | |
1642 | ||
be753325 | 1643 | case HDR_IF_MODIFIED_SINCE: |
62e76326 | 1644 | /* append unless we added our own; |
1645 | * note: at most one client's ims header can pass through */ | |
b883b594 | 1646 | |
a9925b40 | 1647 | if (!hdr_out->has(HDR_IF_MODIFIED_SINCE)) |
eede25e7 | 1648 | hdr_out->addEntry(e->clone()); |
62e76326 | 1649 | |
1650 | break; | |
1651 | ||
be753325 | 1652 | case HDR_MAX_FORWARDS: |
62e76326 | 1653 | if (orig_request->method == METHOD_TRACE) { |
eede25e7 | 1654 | const int hops = e->getInt(); |
62e76326 | 1655 | |
1656 | if (hops > 0) | |
a9925b40 | 1657 | hdr_out->putInt(HDR_MAX_FORWARDS, hops - 1); |
62e76326 | 1658 | } |
1659 | ||
1660 | break; | |
1661 | ||
be753325 | 1662 | case HDR_VIA: |
62e76326 | 1663 | /* If Via is disabled then forward any received header as-is */ |
1664 | ||
1665 | if (!Config.onoff.via) | |
eede25e7 | 1666 | hdr_out->addEntry(e->clone()); |
62e76326 | 1667 | |
1668 | break; | |
1669 | ||
be753325 | 1670 | case HDR_RANGE: |
62e76326 | 1671 | |
be753325 | 1672 | case HDR_IF_RANGE: |
62e76326 | 1673 | |
be753325 | 1674 | case HDR_REQUEST_RANGE: |
62e76326 | 1675 | if (!we_do_ranges) |
eede25e7 | 1676 | hdr_out->addEntry(e->clone()); |
62e76326 | 1677 | |
1678 | break; | |
1679 | ||
be753325 | 1680 | case HDR_PROXY_CONNECTION: |
62e76326 | 1681 | |
be753325 | 1682 | case HDR_CONNECTION: |
62e76326 | 1683 | |
be753325 | 1684 | case HDR_X_FORWARDED_FOR: |
62e76326 | 1685 | |
be753325 | 1686 | case HDR_CACHE_CONTROL: |
62e76326 | 1687 | /* append these after the loop if needed */ |
1688 | break; | |
1689 | ||
be753325 | 1690 | case HDR_FRONT_END_HTTPS: |
62e76326 | 1691 | if (!flags.front_end_https) |
eede25e7 | 1692 | hdr_out->addEntry(e->clone()); |
62e76326 | 1693 | |
1694 | break; | |
1695 | ||
be753325 | 1696 | default: |
62e76326 | 1697 | /* pass on all other header fields */ |
eede25e7 | 1698 | hdr_out->addEntry(e->clone()); |
528b2c61 | 1699 | } |
1700 | } | |
1701 | ||
e5ee81f0 | 1702 | bool |
1703 | HttpStateData::decideIfWeDoRanges (HttpRequest * orig_request) | |
528b2c61 | 1704 | { |
e5ee81f0 | 1705 | bool result = true; |
62e76326 | 1706 | /* decide if we want to do Ranges ourselves |
1707 | * and fetch the whole object now) | |
1708 | * We want to handle Ranges ourselves iff | |
1709 | * - we can actually parse client Range specs | |
1710 | * - the specs are expected to be simple enough (e.g. no out-of-order ranges) | |
1711 | * - reply will be cachable | |
1712 | * (If the reply will be uncachable we have to throw it away after | |
1713 | * serving this request, so it is better to forward ranges to | |
1714 | * the server and fetch only the requested content) | |
1715 | */ | |
1716 | ||
1717 | if (NULL == orig_request->range || !orig_request->flags.cachable | |
1718 | || orig_request->range->offsetLimitExceeded()) | |
e5ee81f0 | 1719 | result = false; |
62e76326 | 1720 | |
bf8fe701 | 1721 | debugs(11, 8, "decideIfWeDoRanges: range specs: " << |
1722 | orig_request->range << ", cachable: " << | |
1723 | orig_request->flags.cachable << "; we_do_ranges: " << result); | |
62e76326 | 1724 | |
1725 | return result; | |
528b2c61 | 1726 | } |
1727 | ||
62e76326 | 1728 | /* build request prefix and append it to a given MemBuf; |
99edd1c3 | 1729 | * return the length of the prefix */ |
9bc73deb | 1730 | mb_size_t |
e5ee81f0 | 1731 | HttpStateData::buildRequestPrefix(HttpRequest * request, |
1732 | HttpRequest * orig_request, | |
1733 | StoreEntry * entry, | |
1734 | MemBuf * mb, | |
1735 | http_state_flags flags) | |
99edd1c3 | 1736 | { |
1737 | const int offset = mb->size; | |
450e0c10 | 1738 | HttpVersion httpver(1, 0); |
2fe7eff9 | 1739 | mb->Printf("%s %s HTTP/%d.%d\r\n", |
60745f24 | 1740 | RequestMethodStr(request->method), |
30abd221 | 1741 | request->urlpath.size() ? request->urlpath.buf() : "/", |
2fe7eff9 | 1742 | httpver.major,httpver.minor); |
99edd1c3 | 1743 | /* build and pack headers */ |
1744 | { | |
75faaa7a | 1745 | HttpHeader hdr(hoRequest); |
62e76326 | 1746 | Packer p; |
1747 | httpBuildRequestHeader(request, orig_request, entry, &hdr, flags); | |
1748 | packerToMemInit(&p, mb); | |
a9925b40 | 1749 | hdr.packInto(&p); |
519e0948 | 1750 | hdr.clean(); |
62e76326 | 1751 | packerClean(&p); |
9d9d144b | 1752 | } |
99edd1c3 | 1753 | /* append header terminator */ |
2fe7eff9 | 1754 | mb->append(crlf, 2); |
99edd1c3 | 1755 | return mb->size - offset; |
6bf8443a | 1756 | } |
62e76326 | 1757 | |
090089c4 | 1758 | /* This will be called when connect completes. Write request. */ |
5f8252d2 | 1759 | bool |
2bb867b5 | 1760 | HttpStateData::sendRequest() |
090089c4 | 1761 | { |
99edd1c3 | 1762 | MemBuf mb; |
090089c4 | 1763 | |
bf8fe701 | 1764 | debugs(11, 5, "httpSendRequest: FD " << fd << ", request " << request << ", this " << this << "."); |
dc56a9b1 | 1765 | typedef CommCbMemFunT<HttpStateData, CommTimeoutCbParams> TimeoutDialer; |
1766 | AsyncCall::Pointer timeoutCall = asyncCall(11, 5, "HttpStateData::httpTimeout", | |
1767 | TimeoutDialer(this,&HttpStateData::httpTimeout)); | |
1768 | commSetTimeout(fd, Config.Timeout.lifetime, timeoutCall); | |
2bb867b5 | 1769 | flags.do_next_read = 1; |
5f8252d2 | 1770 | maybeReadVirginBody(); |
1771 | ||
1772 | if (orig_request->body_pipe != NULL) { | |
123ec4de | 1773 | if (!startRequestBodyFlow()) // register to receive body data |
5f8252d2 | 1774 | return false; |
dc56a9b1 | 1775 | typedef CommCbMemFunT<HttpStateData, CommIoCbParams> Dialer; |
1776 | Dialer dialer(this, &HttpStateData::sentRequestBody); | |
1777 | requestSender = asyncCall(11,5, "HttpStateData::sentRequestBody", dialer); | |
5f8252d2 | 1778 | } else { |
1779 | assert(!requestBodySource); | |
dc56a9b1 | 1780 | typedef CommCbMemFunT<HttpStateData, CommIoCbParams> Dialer; |
1781 | Dialer dialer(this, &HttpStateData::sendComplete); | |
1782 | requestSender = asyncCall(11,5, "HttpStateData::SendComplete", dialer); | |
5f8252d2 | 1783 | } |
54220df8 | 1784 | |
2bb867b5 | 1785 | if (_peer != NULL) { |
1786 | if (_peer->options.originserver) { | |
1787 | flags.proxying = 0; | |
1788 | flags.originpeer = 1; | |
62e76326 | 1789 | } else { |
2bb867b5 | 1790 | flags.proxying = 1; |
1791 | flags.originpeer = 0; | |
62e76326 | 1792 | } |
be753325 | 1793 | } else { |
2bb867b5 | 1794 | flags.proxying = 0; |
1795 | flags.originpeer = 0; | |
be753325 | 1796 | } |
62e76326 | 1797 | |
efb9218c | 1798 | /* |
99edd1c3 | 1799 | * Is keep-alive okay for all request methods? |
efb9218c | 1800 | */ |
efd900cb | 1801 | if (!Config.onoff.server_pconns) |
2bb867b5 | 1802 | flags.keepalive = 0; |
1803 | else if (_peer == NULL) | |
1804 | flags.keepalive = 1; | |
1805 | else if (_peer->stats.n_keepalives_sent < 10) | |
1806 | flags.keepalive = 1; | |
1807 | else if ((double) _peer->stats.n_keepalives_recv / | |
1808 | (double) _peer->stats.n_keepalives_sent > 0.50) | |
1809 | flags.keepalive = 1; | |
1810 | ||
1811 | if (_peer) { | |
1812 | if (neighborType(_peer, request) == PEER_SIBLING && | |
1813 | !_peer->options.allow_miss) | |
1814 | flags.only_if_cached = 1; | |
1815 | ||
1816 | flags.front_end_https = _peer->front_end_https; | |
a7ad6e4e | 1817 | } |
62e76326 | 1818 | |
2fe7eff9 | 1819 | mb.init(); |
e5ee81f0 | 1820 | buildRequestPrefix(request, orig_request, entry, &mb, flags); |
bf8fe701 | 1821 | debugs(11, 6, "httpSendRequest: FD " << fd << ":\n" << mb.buf); |
dc56a9b1 | 1822 | comm_write_mbuf(fd, &mb, requestSender); |
5f8252d2 | 1823 | |
1824 | return true; | |
090089c4 | 1825 | } |
b6a2f15e | 1826 | |
910169e5 | 1827 | void |
b6b6f466 | 1828 | httpStart(FwdState *fwd) |
603a02fd | 1829 | { |
60745f24 | 1830 | debugs(11, 3, "httpStart: \"" << RequestMethodStr(fwd->request->method) << " " << fwd->entry->url() << "\"" ); |
a3d50c30 | 1831 | HttpStateData *httpState = new HttpStateData(fwd); |
62e76326 | 1832 | |
5f8252d2 | 1833 | if (!httpState->sendRequest()) { |
bf8fe701 | 1834 | debugs(11, 3, "httpStart: aborted"); |
5f8252d2 | 1835 | delete httpState; |
1836 | return; | |
1837 | } | |
62e76326 | 1838 | |
5f8252d2 | 1839 | statCounter.server.all.requests++; |
83704487 | 1840 | statCounter.server.http.requests++; |
62e76326 | 1841 | |
b6a2f15e | 1842 | /* |
1843 | * We used to set the read timeout here, but not any more. | |
1844 | * Now its set in httpSendComplete() after the full request, | |
1845 | * including request body, has been written to the server. | |
1846 | */ | |
090089c4 | 1847 | } |
1848 | ||
2bb867b5 | 1849 | void |
5f8252d2 | 1850 | HttpStateData::doneSendingRequestBody() |
2bb867b5 | 1851 | { |
4fb35c3c | 1852 | ACLChecklist ch; |
5f8252d2 | 1853 | debugs(11,5, HERE << "doneSendingRequestBody: FD " << fd); |
6dd9f4bd | 1854 | ch.request = HTTPMSGLOCK(request); |
506768d9 | 1855 | |
1856 | if (Config.accessList.brokenPosts) | |
1857 | ch.accessList = cbdataReference(Config.accessList.brokenPosts); | |
62e76326 | 1858 | |
108d65b2 | 1859 | /* cbdataReferenceDone() happens in either fastCheck() or ~ACLCheckList */ |
1860 | ||
94439e4e | 1861 | if (!Config.accessList.brokenPosts) { |
bf8fe701 | 1862 | debugs(11, 5, "doneSendingRequestBody: No brokenPosts list"); |
dc56a9b1 | 1863 | CommIoCbParams io(NULL); |
1864 | io.fd=fd; | |
1865 | io.flag=COMM_OK; | |
1866 | sendComplete(io); | |
b448c119 | 1867 | } else if (!ch.fastCheck()) { |
bf8fe701 | 1868 | debugs(11, 5, "doneSendingRequestBody: didn't match brokenPosts"); |
dc56a9b1 | 1869 | CommIoCbParams io(NULL); |
1870 | io.fd=fd; | |
1871 | io.flag=COMM_OK; | |
1872 | sendComplete(io); | |
94439e4e | 1873 | } else { |
bf8fe701 | 1874 | debugs(11, 2, "doneSendingRequestBody: matched brokenPosts"); |
dc56a9b1 | 1875 | typedef CommCbMemFunT<HttpStateData, CommIoCbParams> Dialer; |
1876 | Dialer dialer(this, &HttpStateData::sendComplete); | |
1877 | AsyncCall::Pointer call= asyncCall(11,5, "HttpStateData::SendComplete", dialer); | |
1878 | comm_write(fd, "\r\n", 2, call); | |
54220df8 | 1879 | } |
94439e4e | 1880 | } |
1881 | ||
5f8252d2 | 1882 | // more origin request body data is available |
2bb867b5 | 1883 | void |
5f8252d2 | 1884 | HttpStateData::handleMoreRequestBodyAvailable() |
2bb867b5 | 1885 | { |
2bb867b5 | 1886 | if (eof || fd < 0) { |
5f8252d2 | 1887 | // XXX: we should check this condition in other callbacks then! |
1888 | // TODO: Check whether this can actually happen: We should unsubscribe | |
1889 | // as a body consumer when the above condition(s) are detected. | |
2bb867b5 | 1890 | debugs(11, 1, HERE << "Transaction aborted while reading HTTP body"); |
2bb867b5 | 1891 | return; |
1892 | } | |
62e76326 | 1893 | |
5f8252d2 | 1894 | assert(requestBodySource != NULL); |
fc68f6b1 | 1895 | |
5f8252d2 | 1896 | if (requestBodySource->buf().hasContent()) { |
1897 | // XXX: why does not this trigger a debug message on every request? | |
fc68f6b1 | 1898 | |
2bb867b5 | 1899 | if (flags.headers_parsed && !flags.abuse_detected) { |
1900 | flags.abuse_detected = 1; | |
cc192b50 | 1901 | debugs(11, 1, "http handleMoreRequestBodyAvailable: Likely proxy abuse detected '" << orig_request->client_addr << "' -> '" << entry->url() << "'" ); |
21b92762 | 1902 | |
585ab260 | 1903 | if (virginReply()->sline.status == HTTP_INVALID_HEADER) { |
2bb867b5 | 1904 | comm_close(fd); |
21b92762 | 1905 | return; |
1906 | } | |
1907 | } | |
b6a2f15e | 1908 | } |
5f8252d2 | 1909 | |
1910 | HttpStateData::handleMoreRequestBodyAvailable(); | |
376bb137 | 1911 | } |
1912 | ||
5f8252d2 | 1913 | // premature end of the request body |
2bb867b5 | 1914 | void |
5f8252d2 | 1915 | HttpStateData::handleRequestBodyProducerAborted() |
376bb137 | 1916 | { |
5f8252d2 | 1917 | ServerStateData::handleRequestBodyProducerAborted(); |
1918 | // XXX: SendComplete(COMM_ERR_CLOSING) does little. Is it enough? | |
dc56a9b1 | 1919 | CommIoCbParams io(NULL); |
1920 | io.fd=fd; | |
1921 | io.flag=COMM_ERR_CLOSING; | |
1922 | sendComplete(io); | |
2bb867b5 | 1923 | } |
1924 | ||
5f8252d2 | 1925 | // called when we wrote request headers(!) or a part of the body |
2bb867b5 | 1926 | void |
dc56a9b1 | 1927 | HttpStateData::sentRequestBody(const CommIoCbParams &io) |
2bb867b5 | 1928 | { |
dc56a9b1 | 1929 | if (io.size > 0) |
1930 | kb_incr(&statCounter.server.http.kbytes_out, io.size); | |
fc68f6b1 | 1931 | |
dc56a9b1 | 1932 | ServerStateData::sentRequestBody(io); |
5f8252d2 | 1933 | } |
3b299123 | 1934 | |
5f8252d2 | 1935 | // Quickly abort the transaction |
1936 | // TODO: destruction should be sufficient as the destructor should cleanup, | |
1937 | // including canceling close handlers | |
1938 | void | |
1939 | HttpStateData::abortTransaction(const char *reason) | |
1940 | { | |
1941 | debugs(11,5, HERE << "aborting transaction for " << reason << | |
1942 | "; FD " << fd << ", this " << this); | |
fc68f6b1 | 1943 | |
3e8c047e | 1944 | if (fd >= 0) { |
62e76326 | 1945 | comm_close(fd); |
3e8c047e | 1946 | return; |
c23f0c74 | 1947 | } |
3e8c047e | 1948 | |
1949 | fwd->handleUnregisteredServerEnd(); | |
dc56a9b1 | 1950 | deleteThis("HttpStateData::abortTransaction"); |
54220df8 | 1951 | } |
ccf44862 | 1952 | |
073ba374 | 1953 | #if DEAD_CODE |
ccf44862 | 1954 | void |
450e0c10 | 1955 | httpBuildVersion(HttpVersion * version, unsigned int major, unsigned int minor) |
110eb4e5 | 1956 | { |
1957 | version->major = major; | |
1958 | version->minor = minor; | |
ccf44862 | 1959 | } |
073ba374 | 1960 | #endif |
2afaba07 | 1961 | |
7c4e4e7f | 1962 | HttpRequest * |
1963 | HttpStateData::originalRequest() | |
2afaba07 | 1964 | { |
7c4e4e7f | 1965 | return orig_request; |
2afaba07 | 1966 | } |