Emeric Vigier | 2f62582 | 2012-08-06 11:09:52 -0400 | [diff] [blame] | 1 | // Copyright (C) 2001-2005 Open Source Telecom Corporation. |
| 2 | // Copyright (C) 2006-2010 David Sugar, Tycho Softworks. |
| 3 | // |
| 4 | // This program is free software; you can redistribute it and/or modify |
| 5 | // it under the terms of the GNU General Public License as published by |
| 6 | // the Free Software Foundation; either version 2 of the License, or |
| 7 | // (at your option) any later version. |
| 8 | // |
| 9 | // This program is distributed in the hope that it will be useful, |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | // GNU General Public License for more details. |
| 13 | // |
| 14 | // You should have received a copy of the GNU General Public License |
| 15 | // along with this program; if not, write to the Free Software |
| 16 | // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 17 | // |
| 18 | // As a special exception, you may use this file as part of a free software |
| 19 | // library without restriction. Specifically, if other files instantiate |
| 20 | // templates or use macros or inline functions from this file, or you compile |
| 21 | // this file and link it with other files to produce an executable, this |
| 22 | // file does not by itself cause the resulting executable to be covered by |
| 23 | // the GNU General Public License. This exception does not however |
| 24 | // invalidate any other reasons why the executable file might be covered by |
| 25 | // the GNU General Public License. |
| 26 | // |
| 27 | // This exception applies only to the code released under the name GNU |
| 28 | // Common C++. If you copy code from other releases into a copy of GNU |
| 29 | // Common C++, as the General Public License permits, the exception does |
| 30 | // not apply to the code that you add in this way. To avoid misleading |
| 31 | // anyone as to the status of such modified files, you must delete |
| 32 | // this exception notice from them. |
| 33 | // |
| 34 | // If you write modifications of your own for GNU Common C++, it is your choice |
| 35 | // whether to permit this exception to apply to your modifications. |
| 36 | // If you do not wish that, delete this exception notice. |
| 37 | // |
| 38 | |
| 39 | #include <cc++/config.h> |
| 40 | #ifdef CCXX_WITHOUT_EXTRAS |
| 41 | #include <cc++/export.h> |
| 42 | #endif |
| 43 | #include <cc++/file.h> |
| 44 | #include <cc++/thread.h> |
| 45 | #include <cc++/exception.h> |
| 46 | #include <cc++/address.h> |
| 47 | #include <cc++/socket.h> |
| 48 | #ifndef CCXX_WITHOUT_EXTRAS |
| 49 | #include <cc++/export.h> |
| 50 | #endif |
| 51 | #include <cc++/url.h> |
| 52 | |
| 53 | #include <string> |
| 54 | #include <cstdio> |
| 55 | #include <cstdlib> |
| 56 | #include <fcntl.h> |
| 57 | #include <cerrno> |
| 58 | #include <iostream> |
| 59 | |
| 60 | #ifdef WIN32 |
| 61 | #include <io.h> |
| 62 | #endif |
| 63 | |
| 64 | #ifdef HAVE_SSTREAM |
| 65 | #include <sstream> |
| 66 | #else |
| 67 | #include <strstream> |
| 68 | #endif |
| 69 | |
| 70 | #include <cctype> |
| 71 | |
| 72 | #ifndef WIN32 |
| 73 | // cause problem on Solaris |
| 74 | #if !defined(__sun) && !defined(__SUN__) |
| 75 | #ifdef HAVE_NET_IF_H |
| 76 | #include <net/if.h> |
| 77 | #endif |
| 78 | #endif |
| 79 | #include <sys/ioctl.h> |
| 80 | #endif |
| 81 | |
| 82 | #ifdef CCXX_NAMESPACES |
| 83 | namespace ost { |
| 84 | using namespace std; |
| 85 | #endif |
| 86 | |
| 87 | URLStream::URLStream(Family fam, timeout_t to) : |
| 88 | TCPStream(fam) |
| 89 | { |
| 90 | persistent = false; |
| 91 | proxyPort = 0; |
| 92 | timeout = to; |
| 93 | protocol = protocolHttp1_0; |
| 94 | follow = true; |
| 95 | proxyAuth = authAnonymous; |
| 96 | encoding = encodingBinary; |
| 97 | proxyUser = proxyPasswd = NULL; |
| 98 | auth = authAnonymous; |
| 99 | cookie = agent = pragma = referer = user = password = NULL; |
| 100 | localif = NULL; |
| 101 | setError(false); |
| 102 | } |
| 103 | |
| 104 | int URLStream::aRead(char *buffer, size_t len, timeout_t timer) |
| 105 | { |
| 106 | return readData(buffer, len, 0, timer); |
| 107 | } |
| 108 | |
| 109 | int URLStream::aWrite(char *buffer, size_t len, timeout_t timer) |
| 110 | { |
| 111 | return writeData(buffer, len, timer); |
| 112 | } |
| 113 | |
| 114 | void URLStream::httpHeader(const char *header, const char *value) |
| 115 | { |
| 116 | } |
| 117 | |
| 118 | char **URLStream::extraHeader(void) |
| 119 | { |
| 120 | return NULL; |
| 121 | } |
| 122 | |
| 123 | int URLStream::underflow(void) |
| 124 | { |
| 125 | ssize_t len = 0, rlen; |
| 126 | char *buf; |
| 127 | |
| 128 | if(bufsize == 1) |
| 129 | return TCPStream::underflow(); |
| 130 | |
| 131 | if(!gptr()) |
| 132 | return EOF; |
| 133 | |
| 134 | if(gptr() < egptr()) |
| 135 | return (unsigned char)*gptr(); |
| 136 | |
| 137 | rlen = (ssize_t)((gbuf + bufsize) - eback()); |
| 138 | if(encoding == encodingChunked) { |
| 139 | buf = (char *)eback(); |
| 140 | *buf = '\n'; |
| 141 | while(!chunk && (*buf == '\n' || *buf == '\r')) { |
| 142 | *buf = 0; |
| 143 | len = readLine(buf, rlen, timeout); |
| 144 | } |
| 145 | if(len) { |
| 146 | if(!chunk) |
| 147 | chunk = strtol(buf, NULL, 16); |
| 148 | |
| 149 | if(rlen > (int)chunk) |
| 150 | rlen = chunk; |
| 151 | } |
| 152 | else |
| 153 | rlen = -1; |
| 154 | } |
| 155 | |
| 156 | if(rlen > 0) { |
| 157 | if(Socket::state == STREAM) |
| 158 | rlen = aRead((char *)eback(), rlen, timeout); |
| 159 | else if(timeout) { |
| 160 | if(Socket::isPending(pendingInput, timeout)) |
| 161 | rlen = readData(eback(), rlen); |
| 162 | else |
| 163 | rlen = -1; |
| 164 | } |
| 165 | else |
| 166 | rlen = readData(eback(), rlen); |
| 167 | } |
| 168 | if(encoding == encodingChunked && rlen > 0) |
| 169 | chunk -= rlen; |
| 170 | |
| 171 | if(rlen < 1) { |
| 172 | if(rlen < 0) |
| 173 | clear(ios::failbit | rdstate()); |
| 174 | return EOF; |
| 175 | } |
| 176 | setg(eback(), eback(), eback() + rlen); |
| 177 | return (unsigned char)*gptr(); |
| 178 | } |
| 179 | |
| 180 | void URLStream::setProxy(const char *host, tpport_t port) |
| 181 | { |
| 182 | switch(family) { |
| 183 | #ifdef CCXX_IPV6 |
| 184 | case IPV6: |
| 185 | v6proxyHost = host; |
| 186 | break; |
| 187 | #endif |
| 188 | case IPV4: |
| 189 | proxyHost = host; |
| 190 | break; |
| 191 | default: |
| 192 | proxyPort = 0; |
| 193 | return; |
| 194 | } |
| 195 | proxyPort = port; |
| 196 | } |
| 197 | |
| 198 | URLStream::Error URLStream::submit(const char *path, const char **vars, size_t buf) |
| 199 | { |
| 200 | Error status = errInvalid, saved; |
| 201 | |
| 202 | if(!strnicmp(path, "http:", 5)) { |
| 203 | urlmethod = methodHttpGet; |
| 204 | path = strchr(path + 5, '/'); |
| 205 | status = sendHTTPHeader(path, vars, buf); |
| 206 | } |
| 207 | if((status == errInvalid || status == errTimeout)) { |
| 208 | if(Socket::state != AVAILABLE) |
| 209 | close(); |
| 210 | return status; |
| 211 | } |
| 212 | else { |
| 213 | saved = status; |
| 214 | status = getHTTPHeaders(); |
| 215 | if(status == errSuccess) |
| 216 | return saved; |
| 217 | else if(status == errTimeout) { |
| 218 | if(Socket::state != AVAILABLE) |
| 219 | close(); |
| 220 | } |
| 221 | return status; |
| 222 | } |
| 223 | } |
| 224 | |
| 225 | URLStream::Error URLStream::post(const char *path, MIMEMultipartForm &form, size_t buf) |
| 226 | { |
| 227 | Error status = errInvalid, saved; |
| 228 | if(!strnicmp(path, "http:", 5)) { |
| 229 | urlmethod = methodHttpPostMultipart; |
| 230 | path = strchr(path + 5, '/'); |
| 231 | status = sendHTTPHeader(path, (const char **)form.getHeaders(), buf); |
| 232 | } |
| 233 | |
| 234 | if(status == errInvalid || status == errTimeout) { |
| 235 | if(Socket::state != AVAILABLE) |
| 236 | close(); |
| 237 | return status; |
| 238 | } |
| 239 | saved = status; |
| 240 | status = getHTTPHeaders(); |
| 241 | if(status == errSuccess) { |
| 242 | form.body(dynamic_cast<std::ostream *>(this)); |
| 243 | return saved; |
| 244 | } |
| 245 | if(status == errTimeout) { |
| 246 | if(Socket::state != AVAILABLE) |
| 247 | close(); |
| 248 | } |
| 249 | return status; |
| 250 | } |
| 251 | |
| 252 | URLStream::Error URLStream::post(const char *path, const char **vars, size_t buf) |
| 253 | { |
| 254 | Error status = errInvalid, saved; |
| 255 | |
| 256 | if(!strnicmp(path, "http:", 5)) { |
| 257 | urlmethod = methodHttpPost; |
| 258 | path = strchr(path + 5, '/'); |
| 259 | status = sendHTTPHeader(path, vars, buf); |
| 260 | } |
| 261 | |
| 262 | if((status == errInvalid || status == errTimeout)) { |
| 263 | if(Socket::state != AVAILABLE) |
| 264 | close(); |
| 265 | return status; |
| 266 | } |
| 267 | saved = status; |
| 268 | status = getHTTPHeaders(); |
| 269 | if(status == errSuccess) |
| 270 | return saved; |
| 271 | if(status == errTimeout) { |
| 272 | if(Socket::state != AVAILABLE) |
| 273 | close(); |
| 274 | } |
| 275 | return status; |
| 276 | } |
| 277 | |
| 278 | |
| 279 | URLStream::Error URLStream::head(const char *path, size_t buf) |
| 280 | { |
| 281 | Error status = errInvalid, saved; |
| 282 | |
| 283 | if(!strnicmp(path, "http:", 5)) { |
| 284 | urlmethod = methodHttpGet; |
| 285 | path = strchr(path + 5, '/'); |
| 286 | status = sendHTTPHeader(path, NULL, buf); |
| 287 | } |
| 288 | |
| 289 | if((status == errInvalid || status == errTimeout)) { |
| 290 | if(Socket::state != AVAILABLE) |
| 291 | close(); |
| 292 | return status; |
| 293 | } |
| 294 | else { |
| 295 | saved = status; |
| 296 | status = getHTTPHeaders(); |
| 297 | if(status == errSuccess) |
| 298 | return saved; |
| 299 | else if(status == errTimeout) { |
| 300 | if(Socket::state != AVAILABLE) |
| 301 | close(); |
| 302 | } |
| 303 | return status; |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | URLStream &URLStream::getline(char *buffer, size_t size) |
| 308 | { |
| 309 | size_t len; |
| 310 | |
| 311 | *buffer = 0; |
| 312 | // TODO: check, we mix use of streambuf with Socket::readLine... |
| 313 | iostream::getline(buffer, (unsigned long)size); |
| 314 | len = strlen(buffer); |
| 315 | |
| 316 | while(len) { |
| 317 | if(buffer[len - 1] == '\r' || buffer[len - 1] == '\n') |
| 318 | buffer[len - 1] = 0; |
| 319 | else |
| 320 | break; |
| 321 | --len; |
| 322 | } |
| 323 | return *this; |
| 324 | } |
| 325 | |
| 326 | URLStream::Error URLStream::get(size_t buffer) |
| 327 | { |
| 328 | String path = String("http://") + m_host; |
| 329 | |
| 330 | if ( m_address.operator[](0) != '/' ) |
| 331 | path += "/"; |
| 332 | |
| 333 | path += m_address; |
| 334 | |
| 335 | return get(path.c_str(), buffer); |
| 336 | } |
| 337 | |
| 338 | URLStream::Error URLStream::get(const char *urlpath, size_t buf) |
| 339 | { |
| 340 | const char *path = urlpath; |
| 341 | Error status = errInvalid, saved; |
| 342 | |
| 343 | urlmethod = methodFileGet; |
| 344 | |
| 345 | if(Socket::state != AVAILABLE) |
| 346 | close(); |
| 347 | |
| 348 | |
| 349 | if(!strnicmp(path, "file:", 5)) { |
| 350 | urlmethod = methodFileGet; |
| 351 | path += 5; |
| 352 | } |
| 353 | else if(!strnicmp(path, "http:", 5)) { |
| 354 | urlmethod = methodHttpGet; |
| 355 | path = strchr(path + 5, '/'); |
| 356 | } |
| 357 | switch(urlmethod) { |
| 358 | case methodHttpGet: |
| 359 | status = sendHTTPHeader(path, NULL, buf); |
| 360 | break; |
| 361 | case methodFileGet: |
| 362 | if(so != INVALID_SOCKET) |
| 363 | ::close((int)so); |
| 364 | so = ::open(path, O_RDWR); |
| 365 | if(so == INVALID_SOCKET) |
| 366 | so = ::open(path, O_RDONLY); |
| 367 | // FIXME: open return the same handle type as socket call ?? |
| 368 | if(so == INVALID_SOCKET) |
| 369 | return errInvalid; |
| 370 | Socket::state = STREAM; |
| 371 | allocate(buf); |
| 372 | return errSuccess; |
| 373 | default: |
| 374 | break; |
| 375 | } |
| 376 | |
| 377 | |
| 378 | if((status == errInvalid || status == errTimeout)) { |
| 379 | if(Socket::state != AVAILABLE) |
| 380 | close(); |
| 381 | return status; |
| 382 | } |
| 383 | else { |
| 384 | saved = status; |
| 385 | status = getHTTPHeaders(); |
| 386 | if(status == errSuccess) |
| 387 | return saved; |
| 388 | else if(status == errTimeout) { |
| 389 | if(Socket::state != AVAILABLE) |
| 390 | close(); |
| 391 | } |
| 392 | return status; |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | URLStream::Error URLStream::getHTTPHeaders() |
| 397 | { |
| 398 | char buffer[512]; |
| 399 | size_t buf = sizeof(buffer); |
| 400 | Error status = errSuccess; |
| 401 | char *cp, *ep; |
| 402 | ssize_t len = 1; |
| 403 | char nc = 0; |
| 404 | |
| 405 | chunk = ((unsigned)-1) / 2; |
| 406 | encoding = encodingBinary; |
| 407 | while(len > 0) { |
| 408 | len = readLine(buffer, buf, timeout); |
| 409 | if(len < 1) |
| 410 | return errTimeout; |
| 411 | |
| 412 | // FIXME: for multiline syntax ?? |
| 413 | if(buffer[0] == ' ' || buffer[0] == '\r' || buffer[0] == '\n') |
| 414 | break; |
| 415 | cp = strchr(buffer, ':'); |
| 416 | if(!cp) |
| 417 | continue; |
| 418 | *(cp++) = 0; |
| 419 | while(*cp == ' ' || *cp == '\t') |
| 420 | ++cp; |
| 421 | ep = strchr(cp, '\n'); |
| 422 | if(!ep) |
| 423 | ep = &nc; |
| 424 | while(*ep == '\n' || *ep == '\r' || *ep == ' ') { |
| 425 | *ep = 0; |
| 426 | if((--ep) < cp) |
| 427 | break; |
| 428 | } |
| 429 | if(!stricmp(buffer, "Transfer-Encoding")) { |
| 430 | if(!stricmp(cp, "chunked")) { |
| 431 | chunk = 0; |
| 432 | encoding = encodingChunked; |
| 433 | } |
| 434 | } |
| 435 | httpHeader(buffer, cp); |
| 436 | } |
| 437 | return status; |
| 438 | } |
| 439 | |
| 440 | |
| 441 | void URLStream::close(void) |
| 442 | { |
| 443 | if(Socket::state == AVAILABLE) |
| 444 | return; |
| 445 | |
| 446 | endStream(); |
| 447 | so = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| 448 | if(so != INVALID_SOCKET) |
| 449 | Socket::state = AVAILABLE; |
| 450 | } |
| 451 | |
| 452 | URLStream::Error URLStream::sendHTTPHeader(const char *url, const char **vars, size_t buf) |
| 453 | { |
| 454 | // TODO: implement authentication |
| 455 | char reloc[4096]; |
| 456 | // "//" host ":" port == max 2 + 128 + 1 + 5 + 1(\0) = 137, rounded 140 |
| 457 | char host[140]; |
| 458 | // TODO: add support for //user:pass@host:port/ syntax |
| 459 | #ifdef HAVE_SSTREAM |
| 460 | ostringstream str; |
| 461 | #else |
| 462 | char buffer[4096]; |
| 463 | strstream str(buffer, sizeof(buffer), ios::out); |
| 464 | #endif |
| 465 | char *ref, *cp, *ep; |
| 466 | char *hp; |
| 467 | const char *uri = "/"; |
| 468 | int count = 0; |
| 469 | size_t len = 0; |
| 470 | tpport_t port = 80; |
| 471 | const char **args = vars; |
| 472 | const char *var; |
| 473 | bool lasteq = true; |
| 474 | |
| 475 | struct servent *svc; |
| 476 | |
| 477 | retry: |
| 478 | #ifdef HAVE_SSTREAM |
| 479 | str.str(""); |
| 480 | #else |
| 481 | buffer[0] = 0; |
| 482 | str.seekp(0); |
| 483 | #endif |
| 484 | |
| 485 | setString(host, sizeof(host), url); |
| 486 | reformat: |
| 487 | hp = strchr(host, '/'); |
| 488 | if(!hp) { |
| 489 | host[0] = '/'; |
| 490 | setString(host + 1, sizeof(host) - 1, url); |
| 491 | goto reformat; |
| 492 | } |
| 493 | while(*hp == '/') |
| 494 | ++hp; |
| 495 | cp = strchr(hp, '/'); |
| 496 | if (cp) *cp = 0; |
| 497 | ep = strrchr(hp, ':'); |
| 498 | if(ep) { |
| 499 | *ep = 0; |
| 500 | ++ep; |
| 501 | if(isdigit(*ep)) |
| 502 | port = atoi(ep); |
| 503 | else { |
| 504 | Socket::mutex.enter(); |
| 505 | svc = getservbyname(ep, "tcp"); |
| 506 | if(svc) |
| 507 | port = ntohs(svc->s_port); |
| 508 | Socket::mutex.leave(); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | if(!proxyPort) { |
| 513 | const char* ep1 = url; |
| 514 | while(*ep1 == '/') |
| 515 | ++ep1; |
| 516 | ep1 = strchr(ep1, '/'); |
| 517 | if(ep1) |
| 518 | uri = ep1; |
| 519 | } |
| 520 | |
| 521 | switch(urlmethod) { |
| 522 | case methodHttpGet: |
| 523 | str << "GET "; |
| 524 | if(proxyPort) { |
| 525 | str << "http:" << url; |
| 526 | if(!cp) str << '/'; |
| 527 | } |
| 528 | else |
| 529 | str << uri; |
| 530 | break; |
| 531 | case methodHttpPost: |
| 532 | case methodHttpPostMultipart: |
| 533 | str << "POST "; |
| 534 | if(proxyPort) { |
| 535 | str << "http:" << url; |
| 536 | if(!cp) str << '/'; |
| 537 | } |
| 538 | else |
| 539 | str << uri; |
| 540 | break; |
| 541 | default: |
| 542 | return errInvalid; |
| 543 | } |
| 544 | |
| 545 | if(vars && urlmethod == methodHttpGet) { |
| 546 | str << "?"; |
| 547 | while(*vars) { |
| 548 | if(count++ && lasteq) |
| 549 | str << "&"; |
| 550 | str << *vars; |
| 551 | if(!lasteq) |
| 552 | lasteq = true; |
| 553 | else if(strchr(*vars, '=')) |
| 554 | lasteq = true; |
| 555 | else { |
| 556 | lasteq = false; |
| 557 | str << "="; |
| 558 | } |
| 559 | ++vars; |
| 560 | } |
| 561 | } |
| 562 | |
| 563 | switch(protocol) { |
| 564 | case protocolHttp1_1: |
| 565 | str << " HTTP/1.1" << "\r\n"; |
| 566 | break; |
| 567 | case protocolHttp1_0: |
| 568 | str << " HTTP/1.0" << "\r\n"; |
| 569 | break; |
| 570 | } |
| 571 | |
| 572 | if ( m_host.empty() ) |
| 573 | m_host = hp; |
| 574 | |
| 575 | str << "Host: " << hp << "\r\n"; |
| 576 | if(agent) |
| 577 | str << "User-Agent: " << agent << "\r\n"; |
| 578 | |
| 579 | if(cookie) |
| 580 | str << "Cookie: " << cookie << "\r\n"; |
| 581 | |
| 582 | if(pragma) |
| 583 | str << "Pragma: " << pragma << "\r\n"; |
| 584 | |
| 585 | if(referer) |
| 586 | str << "Referer: " << referer << "\r\n"; |
| 587 | |
| 588 | switch(auth) { |
| 589 | case authBasic: |
| 590 | str << "Authorization: Basic "; |
| 591 | snprintf(reloc, 64, "%s:%s", user, password); |
| 592 | b64Encode(reloc, reloc + 64, 128); |
| 593 | str << reloc + 64 << "\r\n"; |
| 594 | case authAnonymous: |
| 595 | break; |
| 596 | } |
| 597 | |
| 598 | switch(proxyAuth) { |
| 599 | case authBasic: |
| 600 | str << "Proxy-Authorization: Basic "; |
| 601 | snprintf(reloc, 64, "%s:%s", proxyUser, proxyPasswd); |
| 602 | b64Encode(reloc, reloc + 64, 128); |
| 603 | str << reloc + 64 << "\r\n"; |
| 604 | str << "Proxy-Connection: close" << "\r\n"; |
| 605 | case authAnonymous: |
| 606 | break; |
| 607 | } |
| 608 | |
| 609 | |
| 610 | str << "Connection: close\r\n"; |
| 611 | char **add = extraHeader(); |
| 612 | if(add) { |
| 613 | while(*add) { |
| 614 | str << *(add++) << ": "; |
| 615 | str << *(add++) << "\r\n"; |
| 616 | } |
| 617 | } |
| 618 | if(vars) |
| 619 | switch(urlmethod) { |
| 620 | case methodHttpPost: |
| 621 | while(*args) { |
| 622 | var = *args; |
| 623 | if(count++ || !strchr(var, '=')) |
| 624 | len += strlen(var) + 1; |
| 625 | else |
| 626 | len = strlen(var); |
| 627 | ++args; |
| 628 | } |
| 629 | count = 0; |
| 630 | len += 2; |
| 631 | str << "Content-Type: application/x-www-form-urlencoded" << "\r\n"; |
| 632 | str << "Content-Length: " << (unsigned)len << "\r\n"; |
| 633 | break; |
| 634 | case methodHttpPostMultipart: |
| 635 | while(*args) |
| 636 | str << *(args++) << "\r\n"; |
| 637 | default: |
| 638 | break; |
| 639 | } |
| 640 | |
| 641 | str << "\r\n"; |
| 642 | #ifdef HAVE_SSTREAM |
| 643 | // sstream does not want ends |
| 644 | #else |
| 645 | str << ends; |
| 646 | #endif |
| 647 | |
| 648 | if(Socket::state != AVAILABLE) |
| 649 | close(); |
| 650 | #ifndef WIN32 |
| 651 | #ifdef SOICGIFINDEX |
| 652 | if (localif != NULL) { |
| 653 | struct ifreq ifr; |
| 654 | |
| 655 | switch(family) { |
| 656 | #ifdef CCXX_IPV6 |
| 657 | case IPV6: |
| 658 | sockaddr_in6 source; |
| 659 | int alen = sizeof(source); |
| 660 | |
| 661 | memset(&ifr, 0, sizeof(ifr)); |
| 662 | setString(ifr.ifr_name, sizeof(ifr.ifr_name), localif); |
| 663 | if (ioctl(so, SIOCGIFINDEX, &ifr) < 0) |
| 664 | return errInterface; |
| 665 | else { |
| 666 | if (setsockopt(so, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) == -1) |
| 667 | return errInterface; |
| 668 | else if(getsockname(so, (struct sockaddr*)&source,(socklen_t *) &alen) == -1) |
| 669 | return errInterface; |
| 670 | else if (bind(so, (struct sockaddr*)&source, sizeof(source)) == -1) |
| 671 | return errInterface; |
| 672 | else |
| 673 | source.sin6_port = 0; |
| 674 | } |
| 675 | |
| 676 | break; |
| 677 | #endif |
| 678 | case IPV4: |
| 679 | sockaddr_in source; |
| 680 | int alen = sizeof(source); |
| 681 | |
| 682 | memset(&ifr, 0, sizeof(ifr)); |
| 683 | setString(ifr.ifr_name, sizeof(ifr.ifr_name), localif); |
| 684 | if (ioctl(so, SIOCGIFINDEX, &ifr) < 0) |
| 685 | return errInterface; |
| 686 | else { |
| 687 | if (setsockopt(so, SOL_SOCKET, SO_BINDTODEVICE, &ifr, sizeof(ifr)) == -1) |
| 688 | return errInterface; |
| 689 | else if(getsockname(so, (struct sockaddr*)&source,(socklen_t *) &alen) == -1) |
| 690 | return errInterface; |
| 691 | else if (bind(so, (struct sockaddr*)&source, sizeof(source)) == -1) |
| 692 | return errInterface; |
| 693 | else |
| 694 | source.sin_port = 0; |
| 695 | } |
| 696 | } |
| 697 | |
| 698 | } |
| 699 | #endif |
| 700 | #endif |
| 701 | |
| 702 | if(proxyPort) { |
| 703 | switch(family) { |
| 704 | #ifdef CCXX_IPV6 |
| 705 | case IPV6: |
| 706 | connect(v6proxyHost, proxyPort, (unsigned)buf); |
| 707 | break; |
| 708 | #endif |
| 709 | case IPV4: |
| 710 | connect(proxyHost, proxyPort, (unsigned)buf); |
| 711 | break; |
| 712 | } |
| 713 | } |
| 714 | else { |
| 715 | switch(family) { |
| 716 | #ifdef CCXX_IPV6 |
| 717 | case IPV6: |
| 718 | connect(IPV6Host(hp), port, (unsigned)buf); |
| 719 | break; |
| 720 | #endif |
| 721 | case IPV4: |
| 722 | connect(IPV4Host(hp), port, (unsigned)buf); |
| 723 | } |
| 724 | } |
| 725 | |
| 726 | if(!isConnected()) |
| 727 | return errUnreachable; |
| 728 | |
| 729 | // FIXME: send (or write) can send less than len bytes |
| 730 | // use stream funcion ?? |
| 731 | #ifdef HAVE_SSTREAM |
| 732 | writeData(str.str().c_str(), _IOLEN64 str.str().length()); |
| 733 | #else |
| 734 | writeData(str.str().c_str(), _IOLEN64 str.str().length()); |
| 735 | #endif |
| 736 | |
| 737 | if(urlmethod == methodHttpPost && vars) { |
| 738 | #ifdef HAVE_SSTREAM |
| 739 | str.str() = ""; |
| 740 | #else |
| 741 | str.seekp(0); |
| 742 | #endif |
| 743 | bool sep = false; |
| 744 | while(*vars) { |
| 745 | if(sep) |
| 746 | writeData("&", 1); |
| 747 | else |
| 748 | sep = true; |
| 749 | var = *vars; |
| 750 | if(!strchr(var, '=')) { |
| 751 | snprintf(reloc, sizeof(reloc), "%s=%s", var, *(++vars)); |
| 752 | writeData(reloc, strlen(reloc)); |
| 753 | } |
| 754 | else |
| 755 | writeData(var, strlen(var)); |
| 756 | ++vars; |
| 757 | } |
| 758 | writeData("\r\n", 2); |
| 759 | } |
| 760 | |
| 761 | cont: |
| 762 | #ifdef HAVE_SSTREAM |
| 763 | char buffer[4096]; |
| 764 | #else |
| 765 | // nothing here |
| 766 | #endif |
| 767 | |
| 768 | len = readLine(buffer, sizeof(buffer) - 1, timeout); |
| 769 | if(len < 1) |
| 770 | return errTimeout; |
| 771 | |
| 772 | if(strnicmp(buffer, "HTTP/", 5)) |
| 773 | return errInvalid; |
| 774 | |
| 775 | ref = strchr(buffer, ' '); |
| 776 | while(*ref == ' ') |
| 777 | ++ref; |
| 778 | |
| 779 | switch(atoi(ref)) { |
| 780 | default: |
| 781 | return errInvalid; |
| 782 | case 100: |
| 783 | goto cont; |
| 784 | case 200: |
| 785 | return errSuccess; |
| 786 | case 401: |
| 787 | return errUnauthorized; |
| 788 | case 403: |
| 789 | return errForbidden; |
| 790 | case 404: |
| 791 | return errMissing; |
| 792 | case 405: |
| 793 | return errDenied; |
| 794 | case 500: |
| 795 | case 501: |
| 796 | case 502: |
| 797 | case 503: |
| 798 | case 504: |
| 799 | case 505: |
| 800 | return errFailure; |
| 801 | case 300: |
| 802 | case 301: |
| 803 | case 302: |
| 804 | break; |
| 805 | } |
| 806 | if(!follow) |
| 807 | return errRelocated; |
| 808 | for(;;) { |
| 809 | len = readLine(reloc, sizeof(reloc), timeout); |
| 810 | if(len < 1) |
| 811 | return errTimeout; |
| 812 | if(!strnicmp(reloc, "Location: ", 10)) |
| 813 | break; |
| 814 | } |
| 815 | if(!strnicmp(reloc + 10, "http:", 5)) { |
| 816 | url = strchr(reloc + 15, '/'); |
| 817 | ep = (char *)(url + strlen(url) - 1); |
| 818 | while(*ep == '\r' || *ep == '\n') |
| 819 | *(ep--) = 0; |
| 820 | } |
| 821 | else |
| 822 | url = reloc + 10; |
| 823 | close(); |
| 824 | goto retry; |
| 825 | } |
| 826 | |
| 827 | void URLStream::setAuthentication(Authentication a, const char *value) |
| 828 | { |
| 829 | auth = a; |
| 830 | if (auth != authAnonymous) { |
| 831 | if(!user) |
| 832 | user = "anonymous"; |
| 833 | if(!password) |
| 834 | password = ""; |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | void URLStream::setProxyAuthentication(Authentication a, const char *value) |
| 839 | { |
| 840 | proxyAuth = a; |
| 841 | if (proxyAuth != authAnonymous) { |
| 842 | if(!proxyUser) |
| 843 | proxyUser = "anonymous"; |
| 844 | |
| 845 | if(!proxyPasswd) |
| 846 | proxyPasswd = ""; |
| 847 | } |
| 848 | } |
| 849 | |
| 850 | void URLStream::setReferer(const char *str) |
| 851 | { |
| 852 | if(!str) |
| 853 | return; |
| 854 | referer = str; |
| 855 | } |
| 856 | |
| 857 | #ifdef CCXX_NAMESPACES |
| 858 | } |
| 859 | #endif |
| 860 | |
| 861 | /** EMACS ** |
| 862 | * Local variables: |
| 863 | * mode: c++ |
| 864 | * c-basic-offset: 4 |
| 865 | * End: |
| 866 | */ |