1 /*************************************************************************** 2 * _ _ ____ _ 3 * Project ___| | | | _ \| | 4 * / __| | | | |_) | | 5 * | (__| |_| | _ <| |___ 6 * \___|\___/|_| \_\_____| 7 * 8 * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel (at) haxx.se>, et al. 9 * 10 * This software is licensed as described in the file COPYING, which 11 * you should have received as part of this distribution. The terms 12 * are also available at https://curl.haxx.se/docs/copyright.html. 13 * 14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell 15 * copies of the Software, and permit persons to whom the Software is 16 * furnished to do so, under the terms of the COPYING file. 17 * 18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19 * KIND, either express or implied. 20 * 21 ***************************************************************************/ 22 #include "server_setup.h" 23 24 /* 25 * curl's test suite Real Time Streaming Protocol (RTSP) server. 26 * 27 * This source file was started based on curl's HTTP test suite server. 28 */ 29 30 #ifdef HAVE_SIGNAL_H 31 #include <signal.h> 32 #endif 33 #ifdef HAVE_NETINET_IN_H 34 #include <netinet/in.h> 35 #endif 36 #ifdef HAVE_ARPA_INET_H 37 #include <arpa/inet.h> 38 #endif 39 #ifdef HAVE_NETDB_H 40 #include <netdb.h> 41 #endif 42 #ifdef HAVE_NETINET_TCP_H 43 #include <netinet/tcp.h> /* for TCP_NODELAY */ 44 #endif 45 46 #define ENABLE_CURLX_PRINTF 47 /* make the curlx header define all printf() functions to use the curlx_* 48 versions instead */ 49 #include "curlx.h" /* from the private lib dir */ 50 #include "getpart.h" 51 #include "util.h" 52 #include "server_sockaddr.h" 53 54 /* include memdebug.h last */ 55 #include "memdebug.h" 56 57 #ifdef USE_WINSOCK 58 #undef EINTR 59 #define EINTR 4 /* errno.h value */ 60 #undef ERANGE 61 #define ERANGE 34 /* errno.h value */ 62 #endif 63 64 #ifdef ENABLE_IPV6 65 static bool use_ipv6 = FALSE; 66 #endif 67 static const char *ipv_inuse = "IPv4"; 68 static int serverlogslocked = 0; 69 70 #define REQBUFSIZ 150000 71 #define REQBUFSIZ_TXT "149999" 72 73 static long prevtestno=-1; /* previous test number we served */ 74 static long prevpartno=-1; /* previous part number we served */ 75 static bool prevbounce=FALSE; /* instructs the server to increase the part 76 number for a test in case the identical 77 testno+partno request shows up again */ 78 79 #define RCMD_NORMALREQ 0 /* default request, use the tests file normally */ 80 #define RCMD_IDLE 1 /* told to sit idle */ 81 #define RCMD_STREAM 2 /* told to stream */ 82 83 typedef enum { 84 RPROT_NONE = 0, 85 RPROT_RTSP = 1, 86 RPROT_HTTP = 2 87 } reqprot_t; 88 89 #define SET_RTP_PKT_CHN(p,c) ((p)[1] = (unsigned char)((c) & 0xFF)) 90 91 #define SET_RTP_PKT_LEN(p,l) (((p)[2] = (unsigned char)(((l) >> 8) & 0xFF)), \ 92 ((p)[3] = (unsigned char)((l) & 0xFF))) 93 94 struct httprequest { 95 char reqbuf[REQBUFSIZ]; /* buffer area for the incoming request */ 96 size_t checkindex; /* where to start checking of the request */ 97 size_t offset; /* size of the incoming request */ 98 long testno; /* test number found in the request */ 99 long partno; /* part number found in the request */ 100 bool open; /* keep connection open info, as found in the request */ 101 bool auth_req; /* authentication required, don't wait for body unless 102 there's an Authorization header */ 103 bool auth; /* Authorization header present in the incoming request */ 104 size_t cl; /* Content-Length of the incoming request */ 105 bool digest; /* Authorization digest header found */ 106 bool ntlm; /* Authorization ntlm header found */ 107 int pipe; /* if non-zero, expect this many requests to do a "piped" 108 request/response */ 109 int skip; /* if non-zero, the server is instructed to not read this 110 many bytes from a PUT/POST request. Ie the client sends N 111 bytes said in Content-Length, but the server only reads N 112 - skip bytes. */ 113 int rcmd; /* doing a special command, see defines above */ 114 reqprot_t protocol; /* request protocol, HTTP or RTSP */ 115 int prot_version; /* HTTP or RTSP version (major*10 + minor) */ 116 bool pipelining; /* true if request is pipelined */ 117 char *rtp_buffer; 118 size_t rtp_buffersize; 119 }; 120 121 static int ProcessRequest(struct httprequest *req); 122 static void storerequest(char *reqbuf, size_t totalsize); 123 124 #define DEFAULT_PORT 8999 125 126 #ifndef DEFAULT_LOGFILE 127 #define DEFAULT_LOGFILE "log/rtspd.log" 128 #endif 129 130 const char *serverlogfile = DEFAULT_LOGFILE; 131 132 #define RTSPDVERSION "curl test suite RTSP server/0.1" 133 134 #define REQUEST_DUMP "log/server.input" 135 #define RESPONSE_DUMP "log/server.response" 136 137 /* very-big-path support */ 138 #define MAXDOCNAMELEN 140000 139 #define MAXDOCNAMELEN_TXT "139999" 140 141 #define REQUEST_KEYWORD_SIZE 256 142 #define REQUEST_KEYWORD_SIZE_TXT "255" 143 144 #define CMD_AUTH_REQUIRED "auth_required" 145 146 /* 'idle' means that it will accept the request fine but never respond 147 any data. Just keep the connection alive. */ 148 #define CMD_IDLE "idle" 149 150 /* 'stream' means to send a never-ending stream of data */ 151 #define CMD_STREAM "stream" 152 153 #define END_OF_HEADERS "\r\n\r\n" 154 155 enum { 156 DOCNUMBER_NOTHING = -7, 157 DOCNUMBER_QUIT = -6, 158 DOCNUMBER_BADCONNECT = -5, 159 DOCNUMBER_INTERNAL= -4, 160 DOCNUMBER_CONNECT = -3, 161 DOCNUMBER_WERULEZ = -2, 162 DOCNUMBER_404 = -1 163 }; 164 165 166 /* sent as reply to a QUIT */ 167 static const char *docquit = 168 "HTTP/1.1 200 Goodbye" END_OF_HEADERS; 169 170 /* sent as reply to a CONNECT */ 171 static const char *docconnect = 172 "HTTP/1.1 200 Mighty fine indeed" END_OF_HEADERS; 173 174 /* sent as reply to a "bad" CONNECT */ 175 static const char *docbadconnect = 176 "HTTP/1.1 501 Forbidden you fool" END_OF_HEADERS; 177 178 /* send back this on HTTP 404 file not found */ 179 static const char *doc404_HTTP = "HTTP/1.1 404 Not Found\r\n" 180 "Server: " RTSPDVERSION "\r\n" 181 "Connection: close\r\n" 182 "Content-Type: text/html" 183 END_OF_HEADERS 184 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n" 185 "<HTML><HEAD>\n" 186 "<TITLE>404 Not Found</TITLE>\n" 187 "</HEAD><BODY>\n" 188 "<H1>Not Found</H1>\n" 189 "The requested URL was not found on this server.\n" 190 "<P><HR><ADDRESS>" RTSPDVERSION "</ADDRESS>\n" "</BODY></HTML>\n"; 191 192 /* send back this on RTSP 404 file not found */ 193 static const char *doc404_RTSP = "RTSP/1.0 404 Not Found\r\n" 194 "Server: " RTSPDVERSION 195 END_OF_HEADERS; 196 197 /* Default size to send away fake RTP data */ 198 #define RTP_DATA_SIZE 12 199 static const char *RTP_DATA = "$_1234\n\0asdf"; 200 201 /* do-nothing macro replacement for systems which lack siginterrupt() */ 202 203 #ifndef HAVE_SIGINTERRUPT 204 #define siginterrupt(x,y) do {} while(0) 205 #endif 206 207 /* vars used to keep around previous signal handlers */ 208 209 typedef RETSIGTYPE (*SIGHANDLER_T)(int); 210 211 #ifdef SIGHUP 212 static SIGHANDLER_T old_sighup_handler = SIG_ERR; 213 #endif 214 215 #ifdef SIGPIPE 216 static SIGHANDLER_T old_sigpipe_handler = SIG_ERR; 217 #endif 218 219 #ifdef SIGALRM 220 static SIGHANDLER_T old_sigalrm_handler = SIG_ERR; 221 #endif 222 223 #ifdef SIGINT 224 static SIGHANDLER_T old_sigint_handler = SIG_ERR; 225 #endif 226 227 #ifdef SIGTERM 228 static SIGHANDLER_T old_sigterm_handler = SIG_ERR; 229 #endif 230 231 #if defined(SIGBREAK) && defined(WIN32) 232 static SIGHANDLER_T old_sigbreak_handler = SIG_ERR; 233 #endif 234 235 /* var which if set indicates that the program should finish execution */ 236 237 SIG_ATOMIC_T got_exit_signal = 0; 238 239 /* if next is set indicates the first signal handled in exit_signal_handler */ 240 241 static volatile int exit_signal = 0; 242 243 /* signal handler that will be triggered to indicate that the program 244 should finish its execution in a controlled manner as soon as possible. 245 The first time this is called it will set got_exit_signal to one and 246 store in exit_signal the signal that triggered its execution. */ 247 248 static RETSIGTYPE exit_signal_handler(int signum) 249 { 250 int old_errno = errno; 251 if(got_exit_signal == 0) { 252 got_exit_signal = 1; 253 exit_signal = signum; 254 } 255 (void)signal(signum, exit_signal_handler); 256 errno = old_errno; 257 } 258 259 static void install_signal_handlers(void) 260 { 261 #ifdef SIGHUP 262 /* ignore SIGHUP signal */ 263 if((old_sighup_handler = signal(SIGHUP, SIG_IGN)) == SIG_ERR) 264 logmsg("cannot install SIGHUP handler: %s", strerror(errno)); 265 #endif 266 #ifdef SIGPIPE 267 /* ignore SIGPIPE signal */ 268 if((old_sigpipe_handler = signal(SIGPIPE, SIG_IGN)) == SIG_ERR) 269 logmsg("cannot install SIGPIPE handler: %s", strerror(errno)); 270 #endif 271 #ifdef SIGALRM 272 /* ignore SIGALRM signal */ 273 if((old_sigalrm_handler = signal(SIGALRM, SIG_IGN)) == SIG_ERR) 274 logmsg("cannot install SIGALRM handler: %s", strerror(errno)); 275 #endif 276 #ifdef SIGINT 277 /* handle SIGINT signal with our exit_signal_handler */ 278 if((old_sigint_handler = signal(SIGINT, exit_signal_handler)) == SIG_ERR) 279 logmsg("cannot install SIGINT handler: %s", strerror(errno)); 280 else 281 siginterrupt(SIGINT, 1); 282 #endif 283 #ifdef SIGTERM 284 /* handle SIGTERM signal with our exit_signal_handler */ 285 if((old_sigterm_handler = signal(SIGTERM, exit_signal_handler)) == SIG_ERR) 286 logmsg("cannot install SIGTERM handler: %s", strerror(errno)); 287 else 288 siginterrupt(SIGTERM, 1); 289 #endif 290 #if defined(SIGBREAK) && defined(WIN32) 291 /* handle SIGBREAK signal with our exit_signal_handler */ 292 if((old_sigbreak_handler = signal(SIGBREAK, exit_signal_handler)) == SIG_ERR) 293 logmsg("cannot install SIGBREAK handler: %s", strerror(errno)); 294 else 295 siginterrupt(SIGBREAK, 1); 296 #endif 297 } 298 299 static void restore_signal_handlers(void) 300 { 301 #ifdef SIGHUP 302 if(SIG_ERR != old_sighup_handler) 303 (void)signal(SIGHUP, old_sighup_handler); 304 #endif 305 #ifdef SIGPIPE 306 if(SIG_ERR != old_sigpipe_handler) 307 (void)signal(SIGPIPE, old_sigpipe_handler); 308 #endif 309 #ifdef SIGALRM 310 if(SIG_ERR != old_sigalrm_handler) 311 (void)signal(SIGALRM, old_sigalrm_handler); 312 #endif 313 #ifdef SIGINT 314 if(SIG_ERR != old_sigint_handler) 315 (void)signal(SIGINT, old_sigint_handler); 316 #endif 317 #ifdef SIGTERM 318 if(SIG_ERR != old_sigterm_handler) 319 (void)signal(SIGTERM, old_sigterm_handler); 320 #endif 321 #if defined(SIGBREAK) && defined(WIN32) 322 if(SIG_ERR != old_sigbreak_handler) 323 (void)signal(SIGBREAK, old_sigbreak_handler); 324 #endif 325 } 326 327 static int ProcessRequest(struct httprequest *req) 328 { 329 char *line=&req->reqbuf[req->checkindex]; 330 bool chunked = FALSE; 331 static char request[REQUEST_KEYWORD_SIZE]; 332 static char doc[MAXDOCNAMELEN]; 333 static char prot_str[5]; 334 char logbuf[256]; 335 int prot_major, prot_minor; 336 char *end; 337 int error; 338 end = strstr(line, END_OF_HEADERS); 339 340 logmsg("ProcessRequest() called with testno %ld and line [%s]", 341 req->testno, line); 342 343 /* try to figure out the request characteristics as soon as possible, but 344 only once! */ 345 if((req->testno == DOCNUMBER_NOTHING) && 346 sscanf(line, 347 "%" REQUEST_KEYWORD_SIZE_TXT"s %" MAXDOCNAMELEN_TXT "s %4s/%d.%d", 348 request, 349 doc, 350 prot_str, 351 &prot_major, 352 &prot_minor) == 5) { 353 char *ptr; 354 355 if(!strcmp(prot_str, "HTTP")) { 356 req->protocol = RPROT_HTTP; 357 } 358 else if(!strcmp(prot_str, "RTSP")) { 359 req->protocol = RPROT_RTSP; 360 } 361 else { 362 req->protocol = RPROT_NONE; 363 logmsg("got unknown protocol %s", prot_str); 364 return 1; 365 } 366 367 req->prot_version = prot_major*10 + prot_minor; 368 369 /* find the last slash */ 370 ptr = strrchr(doc, '/'); 371 372 /* get the number after it */ 373 if(ptr) { 374 FILE *stream; 375 char *filename; 376 377 if((strlen(doc) + strlen(request)) < 200) 378 snprintf(logbuf, sizeof(logbuf), "Got request: %s %s %s/%d.%d", 379 request, doc, prot_str, prot_major, prot_minor); 380 else 381 snprintf(logbuf, sizeof(logbuf), "Got a *HUGE* request %s/%d.%d", 382 prot_str, prot_major, prot_minor); 383 logmsg("%s", logbuf); 384 385 if(!strncmp("/verifiedserver", ptr, 15)) { 386 logmsg("Are-we-friendly question received"); 387 req->testno = DOCNUMBER_WERULEZ; 388 return 1; /* done */ 389 } 390 391 if(!strncmp("/quit", ptr, 5)) { 392 logmsg("Request-to-quit received"); 393 req->testno = DOCNUMBER_QUIT; 394 return 1; /* done */ 395 } 396 397 ptr++; /* skip the slash */ 398 399 /* skip all non-numericals following the slash */ 400 while(*ptr && !ISDIGIT(*ptr)) 401 ptr++; 402 403 req->testno = strtol(ptr, &ptr, 10); 404 405 if(req->testno > 10000) { 406 req->partno = req->testno % 10000; 407 req->testno /= 10000; 408 } 409 else 410 req->partno = 0; 411 412 snprintf(logbuf, sizeof(logbuf), "Requested test number %ld part %ld", 413 req->testno, req->partno); 414 logmsg("%s", logbuf); 415 416 filename = test2file(req->testno); 417 418 stream=fopen(filename, "rb"); 419 if(!stream) { 420 error = errno; 421 logmsg("fopen() failed with error: %d %s", error, strerror(error)); 422 logmsg("Error opening file: %s", filename); 423 logmsg("Couldn't open test file %ld", req->testno); 424 req->open = FALSE; /* closes connection */ 425 return 1; /* done */ 426 } 427 else { 428 char *cmd = NULL; 429 size_t cmdsize = 0; 430 int num=0; 431 432 int rtp_channel = 0; 433 int rtp_size = 0; 434 int rtp_partno = -1; 435 int i = 0; 436 char *rtp_scratch = NULL; 437 438 /* get the custom server control "commands" */ 439 error = getpart(&cmd, &cmdsize, "reply", "servercmd", stream); 440 fclose(stream); 441 if(error) { 442 logmsg("getpart() failed with error: %d", error); 443 req->open = FALSE; /* closes connection */ 444 return 1; /* done */ 445 } 446 ptr = cmd; 447 448 if(cmdsize) { 449 logmsg("Found a reply-servercmd section!"); 450 do { 451 if(!strncmp(CMD_AUTH_REQUIRED, ptr, strlen(CMD_AUTH_REQUIRED))) { 452 logmsg("instructed to require authorization header"); 453 req->auth_req = TRUE; 454 } 455 else if(!strncmp(CMD_IDLE, ptr, strlen(CMD_IDLE))) { 456 logmsg("instructed to idle"); 457 req->rcmd = RCMD_IDLE; 458 req->open = TRUE; 459 } 460 else if(!strncmp(CMD_STREAM, ptr, strlen(CMD_STREAM))) { 461 logmsg("instructed to stream"); 462 req->rcmd = RCMD_STREAM; 463 } 464 else if(1 == sscanf(ptr, "pipe: %d", &num)) { 465 logmsg("instructed to allow a pipe size of %d", num); 466 if(num < 0) 467 logmsg("negative pipe size ignored"); 468 else if(num > 0) 469 req->pipe = num-1; /* decrease by one since we don't count the 470 first request in this number */ 471 } 472 else if(1 == sscanf(ptr, "skip: %d", &num)) { 473 logmsg("instructed to skip this number of bytes %d", num); 474 req->skip = num; 475 } 476 else if(3 == sscanf(ptr, "rtp: part %d channel %d size %d", 477 &rtp_partno, &rtp_channel, &rtp_size)) { 478 479 if(rtp_partno == req->partno) { 480 logmsg("RTP: part %d channel %d size %d", 481 rtp_partno, rtp_channel, rtp_size); 482 483 /* Make our scratch buffer enough to fit all the 484 * desired data and one for padding */ 485 rtp_scratch = malloc(rtp_size + 4 + RTP_DATA_SIZE); 486 487 /* RTP is signalled with a $ */ 488 rtp_scratch[0] = '$'; 489 490 /* The channel follows and is one byte */ 491 SET_RTP_PKT_CHN(rtp_scratch, rtp_channel); 492 493 /* Length follows and is a two byte short in network order */ 494 SET_RTP_PKT_LEN(rtp_scratch, rtp_size); 495 496 /* Fill it with junk data */ 497 for(i = 0; i < rtp_size; i+= RTP_DATA_SIZE) { 498 memcpy(rtp_scratch + 4 + i, RTP_DATA, RTP_DATA_SIZE); 499 } 500 501 if(req->rtp_buffer == NULL) { 502 req->rtp_buffer = rtp_scratch; 503 req->rtp_buffersize = rtp_size + 4; 504 } 505 else { 506 req->rtp_buffer = realloc(req->rtp_buffer, 507 req->rtp_buffersize + 508 rtp_size + 4); 509 memcpy(req->rtp_buffer + req->rtp_buffersize, rtp_scratch, 510 rtp_size + 4); 511 req->rtp_buffersize += rtp_size + 4; 512 free(rtp_scratch); 513 } 514 logmsg("rtp_buffersize is %zu, rtp_size is %d.", 515 req->rtp_buffersize, rtp_size); 516 } 517 } 518 else { 519 logmsg("funny instruction found: %s", ptr); 520 } 521 522 ptr = strchr(ptr, '\n'); 523 if(ptr) 524 ptr++; 525 else 526 ptr = NULL; 527 } while(ptr && *ptr); 528 logmsg("Done parsing server commands"); 529 } 530 free(cmd); 531 } 532 } 533 else { 534 if(sscanf(req->reqbuf, "CONNECT %" MAXDOCNAMELEN_TXT "s HTTP/%d.%d", 535 doc, &prot_major, &prot_minor) == 3) { 536 snprintf(logbuf, sizeof(logbuf), 537 "Received a CONNECT %s HTTP/%d.%d request", 538 doc, prot_major, prot_minor); 539 logmsg("%s", logbuf); 540 541 if(req->prot_version == 10) 542 req->open = FALSE; /* HTTP 1.0 closes connection by default */ 543 544 if(!strncmp(doc, "bad", 3)) 545 /* if the host name starts with bad, we fake an error here */ 546 req->testno = DOCNUMBER_BADCONNECT; 547 else if(!strncmp(doc, "test", 4)) { 548 /* if the host name starts with test, the port number used in the 549 CONNECT line will be used as test number! */ 550 char *portp = strchr(doc, ':'); 551 if(portp && (*(portp+1) != '\0') && ISDIGIT(*(portp+1))) 552 req->testno = strtol(portp+1, NULL, 10); 553 else 554 req->testno = DOCNUMBER_CONNECT; 555 } 556 else 557 req->testno = DOCNUMBER_CONNECT; 558 } 559 else { 560 logmsg("Did not find test number in PATH"); 561 req->testno = DOCNUMBER_404; 562 } 563 } 564 } 565 566 if(!end) { 567 /* we don't have a complete request yet! */ 568 logmsg("ProcessRequest returned without a complete request"); 569 return 0; /* not complete yet */ 570 } 571 logmsg("ProcessRequest found a complete request"); 572 573 if(req->pipe) 574 /* we do have a full set, advance the checkindex to after the end of the 575 headers, for the pipelining case mostly */ 576 req->checkindex += (end - line) + strlen(END_OF_HEADERS); 577 578 /* **** Persistence **** 579 * 580 * If the request is a HTTP/1.0 one, we close the connection unconditionally 581 * when we're done. 582 * 583 * If the request is a HTTP/1.1 one, we MUST check for a "Connection:" 584 * header that might say "close". If it does, we close a connection when 585 * this request is processed. Otherwise, we keep the connection alive for X 586 * seconds. 587 */ 588 589 do { 590 if(got_exit_signal) 591 return 1; /* done */ 592 593 if((req->cl==0) && strncasecompare("Content-Length:", line, 15)) { 594 /* If we don't ignore content-length, we read it and we read the whole 595 request including the body before we return. If we've been told to 596 ignore the content-length, we will return as soon as all headers 597 have been received */ 598 char *endptr; 599 char *ptr = line + 15; 600 unsigned long clen = 0; 601 while(*ptr && ISSPACE(*ptr)) 602 ptr++; 603 endptr = ptr; 604 errno = 0; 605 clen = strtoul(ptr, &endptr, 10); 606 if((ptr == endptr) || !ISSPACE(*endptr) || (ERANGE == errno)) { 607 /* this assumes that a zero Content-Length is valid */ 608 logmsg("Found invalid Content-Length: (%s) in the request", ptr); 609 req->open = FALSE; /* closes connection */ 610 return 1; /* done */ 611 } 612 req->cl = clen - req->skip; 613 614 logmsg("Found Content-Length: %lu in the request", clen); 615 if(req->skip) 616 logmsg("... but will abort after %zu bytes", req->cl); 617 break; 618 } 619 else if(strncasecompare("Transfer-Encoding: chunked", line, 620 strlen("Transfer-Encoding: chunked"))) { 621 /* chunked data coming in */ 622 chunked = TRUE; 623 } 624 625 if(chunked) { 626 if(strstr(req->reqbuf, "\r\n0\r\n\r\n")) 627 /* end of chunks reached */ 628 return 1; /* done */ 629 else 630 return 0; /* not done */ 631 } 632 633 line = strchr(line, '\n'); 634 if(line) 635 line++; 636 637 } while(line); 638 639 if(!req->auth && strstr(req->reqbuf, "Authorization:")) { 640 req->auth = TRUE; /* Authorization: header present! */ 641 if(req->auth_req) 642 logmsg("Authorization header found, as required"); 643 } 644 645 if(!req->digest && strstr(req->reqbuf, "Authorization: Digest")) { 646 /* If the client is passing this Digest-header, we set the part number 647 to 1000. Not only to spice up the complexity of this, but to make 648 Digest stuff to work in the test suite. */ 649 req->partno += 1000; 650 req->digest = TRUE; /* header found */ 651 logmsg("Received Digest request, sending back data %ld", req->partno); 652 } 653 else if(!req->ntlm && 654 strstr(req->reqbuf, "Authorization: NTLM TlRMTVNTUAAD")) { 655 /* If the client is passing this type-3 NTLM header */ 656 req->partno += 1002; 657 req->ntlm = TRUE; /* NTLM found */ 658 logmsg("Received NTLM type-3, sending back data %ld", req->partno); 659 if(req->cl) { 660 logmsg(" Expecting %zu POSTed bytes", req->cl); 661 } 662 } 663 else if(!req->ntlm && 664 strstr(req->reqbuf, "Authorization: NTLM TlRMTVNTUAAB")) { 665 /* If the client is passing this type-1 NTLM header */ 666 req->partno += 1001; 667 req->ntlm = TRUE; /* NTLM found */ 668 logmsg("Received NTLM type-1, sending back data %ld", req->partno); 669 } 670 else if((req->partno >= 1000) && 671 strstr(req->reqbuf, "Authorization: Basic")) { 672 /* If the client is passing this Basic-header and the part number is 673 already >=1000, we add 1 to the part number. This allows simple Basic 674 authentication negotiation to work in the test suite. */ 675 req->partno += 1; 676 logmsg("Received Basic request, sending back data %ld", req->partno); 677 } 678 if(strstr(req->reqbuf, "Connection: close")) 679 req->open = FALSE; /* close connection after this request */ 680 681 if(!req->pipe && 682 req->open && 683 req->prot_version >= 11 && 684 end && 685 req->reqbuf + req->offset > end + strlen(END_OF_HEADERS) && 686 (!strncmp(req->reqbuf, "GET", strlen("GET")) || 687 !strncmp(req->reqbuf, "HEAD", strlen("HEAD")))) { 688 /* If we have a persistent connection, HTTP version >= 1.1 689 and GET/HEAD request, enable pipelining. */ 690 req->checkindex = (end - req->reqbuf) + strlen(END_OF_HEADERS); 691 req->pipelining = TRUE; 692 } 693 694 while(req->pipe) { 695 if(got_exit_signal) 696 return 1; /* done */ 697 /* scan for more header ends within this chunk */ 698 line = &req->reqbuf[req->checkindex]; 699 end = strstr(line, END_OF_HEADERS); 700 if(!end) 701 break; 702 req->checkindex += (end - line) + strlen(END_OF_HEADERS); 703 req->pipe--; 704 } 705 706 /* If authentication is required and no auth was provided, end now. This 707 makes the server NOT wait for PUT/POST data and you can then make the 708 test case send a rejection before any such data has been sent. Test case 709 154 uses this.*/ 710 if(req->auth_req && !req->auth) 711 return 1; /* done */ 712 713 if(req->cl > 0) { 714 if(req->cl <= req->offset - (end - req->reqbuf) - strlen(END_OF_HEADERS)) 715 return 1; /* done */ 716 else 717 return 0; /* not complete yet */ 718 } 719 720 return 1; /* done */ 721 } 722 723 /* store the entire request in a file */ 724 static void storerequest(char *reqbuf, size_t totalsize) 725 { 726 int res; 727 int error = 0; 728 size_t written; 729 size_t writeleft; 730 FILE *dump; 731 732 if(reqbuf == NULL) 733 return; 734 if(totalsize == 0) 735 return; 736 737 do { 738 dump = fopen(REQUEST_DUMP, "ab"); 739 } while((dump == NULL) && ((error = errno) == EINTR)); 740 if(dump == NULL) { 741 logmsg("Error opening file %s error: %d %s", 742 REQUEST_DUMP, error, strerror(error)); 743 logmsg("Failed to write request input to " REQUEST_DUMP); 744 return; 745 } 746 747 writeleft = totalsize; 748 do { 749 written = fwrite(&reqbuf[totalsize-writeleft], 750 1, writeleft, dump); 751 if(got_exit_signal) 752 goto storerequest_cleanup; 753 if(written > 0) 754 writeleft -= written; 755 } while((writeleft > 0) && ((error = errno) == EINTR)); 756 757 if(writeleft == 0) 758 logmsg("Wrote request (%zu bytes) input to " REQUEST_DUMP, totalsize); 759 else if(writeleft > 0) { 760 logmsg("Error writing file %s error: %d %s", 761 REQUEST_DUMP, error, strerror(error)); 762 logmsg("Wrote only (%zu bytes) of (%zu bytes) request input to %s", 763 totalsize-writeleft, totalsize, REQUEST_DUMP); 764 } 765 766 storerequest_cleanup: 767 768 do { 769 res = fclose(dump); 770 } while(res && ((error = errno) == EINTR)); 771 if(res) 772 logmsg("Error closing file %s error: %d %s", 773 REQUEST_DUMP, error, strerror(error)); 774 } 775 776 /* return 0 on success, non-zero on failure */ 777 static int get_request(curl_socket_t sock, struct httprequest *req) 778 { 779 int error; 780 int fail = 0; 781 int done_processing = 0; 782 char *reqbuf = req->reqbuf; 783 ssize_t got = 0; 784 785 char *pipereq = NULL; 786 size_t pipereq_length = 0; 787 788 if(req->pipelining) { 789 pipereq = reqbuf + req->checkindex; 790 pipereq_length = req->offset - req->checkindex; 791 } 792 793 /*** Init the httprequest structure properly for the upcoming request ***/ 794 795 req->checkindex = 0; 796 req->offset = 0; 797 req->testno = DOCNUMBER_NOTHING; 798 req->partno = 0; 799 req->open = TRUE; 800 req->auth_req = FALSE; 801 req->auth = FALSE; 802 req->cl = 0; 803 req->digest = FALSE; 804 req->ntlm = FALSE; 805 req->pipe = 0; 806 req->skip = 0; 807 req->rcmd = RCMD_NORMALREQ; 808 req->protocol = RPROT_NONE; 809 req->prot_version = 0; 810 req->pipelining = FALSE; 811 req->rtp_buffer = NULL; 812 req->rtp_buffersize = 0; 813 814 /*** end of httprequest init ***/ 815 816 while(!done_processing && (req->offset < REQBUFSIZ-1)) { 817 if(pipereq_length && pipereq) { 818 memmove(reqbuf, pipereq, pipereq_length); 819 got = curlx_uztosz(pipereq_length); 820 pipereq_length = 0; 821 } 822 else { 823 if(req->skip) 824 /* we are instructed to not read the entire thing, so we make sure to 825 only read what we're supposed to and NOT read the enire thing the 826 client wants to send! */ 827 got = sread(sock, reqbuf + req->offset, req->cl); 828 else 829 got = sread(sock, reqbuf + req->offset, REQBUFSIZ-1 - req->offset); 830 } 831 if(got_exit_signal) 832 return 1; 833 if(got == 0) { 834 logmsg("Connection closed by client"); 835 fail = 1; 836 } 837 else if(got < 0) { 838 error = SOCKERRNO; 839 logmsg("recv() returned error: (%d) %s", error, strerror(error)); 840 fail = 1; 841 } 842 if(fail) { 843 /* dump the request received so far to the external file */ 844 reqbuf[req->offset] = '\0'; 845 storerequest(reqbuf, req->offset); 846 return 1; 847 } 848 849 logmsg("Read %zd bytes", got); 850 851 req->offset += (size_t)got; 852 reqbuf[req->offset] = '\0'; 853 854 done_processing = ProcessRequest(req); 855 if(got_exit_signal) 856 return 1; 857 if(done_processing && req->pipe) { 858 logmsg("Waiting for another piped request"); 859 done_processing = 0; 860 req->pipe--; 861 } 862 } 863 864 if((req->offset == REQBUFSIZ-1) && (got > 0)) { 865 logmsg("Request would overflow buffer, closing connection"); 866 /* dump request received so far to external file anyway */ 867 reqbuf[REQBUFSIZ-1] = '\0'; 868 fail = 1; 869 } 870 else if(req->offset > REQBUFSIZ-1) { 871 logmsg("Request buffer overflow, closing connection"); 872 /* dump request received so far to external file anyway */ 873 reqbuf[REQBUFSIZ-1] = '\0'; 874 fail = 1; 875 } 876 else 877 reqbuf[req->offset] = '\0'; 878 879 /* dump the request to an external file */ 880 storerequest(reqbuf, req->pipelining ? req->checkindex : req->offset); 881 if(got_exit_signal) 882 return 1; 883 884 return fail; /* return 0 on success */ 885 } 886 887 /* returns -1 on failure */ 888 static int send_doc(curl_socket_t sock, struct httprequest *req) 889 { 890 ssize_t written; 891 size_t count; 892 const char *buffer; 893 char *ptr=NULL; 894 FILE *stream; 895 char *cmd=NULL; 896 size_t cmdsize=0; 897 FILE *dump; 898 bool persistant = TRUE; 899 bool sendfailure = FALSE; 900 size_t responsesize; 901 int error = 0; 902 int res; 903 904 static char weare[256]; 905 906 char partbuf[80]="data"; 907 908 logmsg("Send response number %ld part %ld", req->testno, req->partno); 909 910 switch(req->rcmd) { 911 default: 912 case RCMD_NORMALREQ: 913 break; /* continue with business as usual */ 914 case RCMD_STREAM: 915 #define STREAMTHIS "a string to stream 01234567890\n" 916 count = strlen(STREAMTHIS); 917 for(;;) { 918 written = swrite(sock, STREAMTHIS, count); 919 if(got_exit_signal) 920 return -1; 921 if(written != (ssize_t)count) { 922 logmsg("Stopped streaming"); 923 break; 924 } 925 } 926 return -1; 927 case RCMD_IDLE: 928 /* Do nothing. Sit idle. Pretend it rains. */ 929 return 0; 930 } 931 932 req->open = FALSE; 933 934 if(req->testno < 0) { 935 size_t msglen; 936 char msgbuf[64]; 937 938 switch(req->testno) { 939 case DOCNUMBER_QUIT: 940 logmsg("Replying to QUIT"); 941 buffer = docquit; 942 break; 943 case DOCNUMBER_WERULEZ: 944 /* we got a "friends?" question, reply back that we sure are */ 945 logmsg("Identifying ourselves as friends"); 946 snprintf(msgbuf, sizeof(msgbuf), "RTSP_SERVER WE ROOLZ: %ld\r\n", 947 (long)getpid()); 948 msglen = strlen(msgbuf); 949 snprintf(weare, sizeof(weare), 950 "HTTP/1.1 200 OK\r\nContent-Length: %zu\r\n\r\n%s", 951 msglen, msgbuf); 952 buffer = weare; 953 break; 954 case DOCNUMBER_INTERNAL: 955 logmsg("Bailing out due to internal error"); 956 return -1; 957 case DOCNUMBER_CONNECT: 958 logmsg("Replying to CONNECT"); 959 buffer = docconnect; 960 break; 961 case DOCNUMBER_BADCONNECT: 962 logmsg("Replying to a bad CONNECT"); 963 buffer = docbadconnect; 964 break; 965 case DOCNUMBER_404: 966 default: 967 logmsg("Replying to with a 404"); 968 if(req->protocol == RPROT_HTTP) { 969 buffer = doc404_HTTP; 970 } 971 else { 972 buffer = doc404_RTSP; 973 } 974 break; 975 } 976 977 count = strlen(buffer); 978 } 979 else { 980 char *filename = test2file(req->testno); 981 982 if(0 != req->partno) 983 snprintf(partbuf, sizeof(partbuf), "data%ld", req->partno); 984 985 stream=fopen(filename, "rb"); 986 if(!stream) { 987 error = errno; 988 logmsg("fopen() failed with error: %d %s", error, strerror(error)); 989 logmsg("Error opening file: %s", filename); 990 logmsg("Couldn't open test file"); 991 return 0; 992 } 993 else { 994 error = getpart(&ptr, &count, "reply", partbuf, stream); 995 fclose(stream); 996 if(error) { 997 logmsg("getpart() failed with error: %d", error); 998 return 0; 999 } 1000 buffer = ptr; 1001 } 1002 1003 if(got_exit_signal) { 1004 free(ptr); 1005 return -1; 1006 } 1007 1008 /* re-open the same file again */ 1009 stream=fopen(filename, "rb"); 1010 if(!stream) { 1011 error = errno; 1012 logmsg("fopen() failed with error: %d %s", error, strerror(error)); 1013 logmsg("Error opening file: %s", filename); 1014 logmsg("Couldn't open test file"); 1015 free(ptr); 1016 return 0; 1017 } 1018 else { 1019 /* get the custom server control "commands" */ 1020 error = getpart(&cmd, &cmdsize, "reply", "postcmd", stream); 1021 fclose(stream); 1022 if(error) { 1023 logmsg("getpart() failed with error: %d", error); 1024 free(ptr); 1025 return 0; 1026 } 1027 } 1028 } 1029 1030 if(got_exit_signal) { 1031 free(ptr); 1032 free(cmd); 1033 return -1; 1034 } 1035 1036 /* If the word 'swsclose' is present anywhere in the reply chunk, the 1037 connection will be closed after the data has been sent to the requesting 1038 client... */ 1039 if(strstr(buffer, "swsclose") || !count) { 1040 persistant = FALSE; 1041 logmsg("connection close instruction \"swsclose\" found in response"); 1042 } 1043 if(strstr(buffer, "swsbounce")) { 1044 prevbounce = TRUE; 1045 logmsg("enable \"swsbounce\" in the next request"); 1046 } 1047 else 1048 prevbounce = FALSE; 1049 1050 dump = fopen(RESPONSE_DUMP, "ab"); 1051 if(!dump) { 1052 error = errno; 1053 logmsg("fopen() failed with error: %d %s", error, strerror(error)); 1054 logmsg("Error opening file: %s", RESPONSE_DUMP); 1055 logmsg("couldn't create logfile: " RESPONSE_DUMP); 1056 free(ptr); 1057 free(cmd); 1058 return -1; 1059 } 1060 1061 responsesize = count; 1062 do { 1063 /* Ok, we send no more than 200 bytes at a time, just to make sure that 1064 larger chunks are split up so that the client will need to do multiple 1065 recv() calls to get it and thus we exercise that code better */ 1066 size_t num = count; 1067 if(num > 200) 1068 num = 200; 1069 written = swrite(sock, buffer, num); 1070 if(written < 0) { 1071 sendfailure = TRUE; 1072 break; 1073 } 1074 else { 1075 logmsg("Sent off %zd bytes", written); 1076 } 1077 /* write to file as well */ 1078 fwrite(buffer, 1, (size_t)written, dump); 1079 if(got_exit_signal) 1080 break; 1081 1082 count -= written; 1083 buffer += written; 1084 } while(count>0); 1085 1086 /* Send out any RTP data */ 1087 if(req->rtp_buffer) { 1088 logmsg("About to write %zu RTP bytes", req->rtp_buffersize); 1089 count = req->rtp_buffersize; 1090 do { 1091 size_t num = count; 1092 if(num > 200) 1093 num = 200; 1094 written = swrite(sock, req->rtp_buffer + (req->rtp_buffersize - count), 1095 num); 1096 if(written < 0) { 1097 sendfailure = TRUE; 1098 break; 1099 } 1100 count -= written; 1101 } while(count > 0); 1102 1103 free(req->rtp_buffer); 1104 req->rtp_buffersize = 0; 1105 } 1106 1107 do { 1108 res = fclose(dump); 1109 } while(res && ((error = errno) == EINTR)); 1110 if(res) 1111 logmsg("Error closing file %s error: %d %s", 1112 RESPONSE_DUMP, error, strerror(error)); 1113 1114 if(got_exit_signal) { 1115 free(ptr); 1116 free(cmd); 1117 return -1; 1118 } 1119 1120 if(sendfailure) { 1121 logmsg("Sending response failed. Only (%zu bytes) of " 1122 "(%zu bytes) were sent", 1123 responsesize-count, responsesize); 1124 free(ptr); 1125 free(cmd); 1126 return -1; 1127 } 1128 1129 logmsg("Response sent (%zu bytes) and written to " RESPONSE_DUMP, 1130 responsesize); 1131 free(ptr); 1132 1133 if(cmdsize > 0) { 1134 char command[32]; 1135 int quarters; 1136 int num; 1137 ptr=cmd; 1138 do { 1139 if(2 == sscanf(ptr, "%31s %d", command, &num)) { 1140 if(!strcmp("wait", command)) { 1141 logmsg("Told to sleep for %d seconds", num); 1142 quarters = num * 4; 1143 while(quarters > 0) { 1144 quarters--; 1145 res = wait_ms(250); 1146 if(got_exit_signal) 1147 break; 1148 if(res) { 1149 /* should not happen */ 1150 error = errno; 1151 logmsg("wait_ms() failed with error: (%d) %s", 1152 error, strerror(error)); 1153 break; 1154 } 1155 } 1156 if(!quarters) 1157 logmsg("Continuing after sleeping %d seconds", num); 1158 } 1159 else 1160 logmsg("Unknown command in reply command section"); 1161 } 1162 ptr = strchr(ptr, '\n'); 1163 if(ptr) 1164 ptr++; 1165 else 1166 ptr = NULL; 1167 } while(ptr && *ptr); 1168 } 1169 free(cmd); 1170 req->open = persistant; 1171 1172 prevtestno = req->testno; 1173 prevpartno = req->partno; 1174 1175 return 0; 1176 } 1177 1178 1179 int main(int argc, char *argv[]) 1180 { 1181 srvr_sockaddr_union_t me; 1182 curl_socket_t sock = CURL_SOCKET_BAD; 1183 curl_socket_t msgsock = CURL_SOCKET_BAD; 1184 int wrotepidfile = 0; 1185 int flag; 1186 unsigned short port = DEFAULT_PORT; 1187 char *pidname= (char *)".rtsp.pid"; 1188 struct httprequest req; 1189 int rc; 1190 int error; 1191 int arg=1; 1192 long pid; 1193 1194 while(argc>arg) { 1195 if(!strcmp("--version", argv[arg])) { 1196 printf("rtspd IPv4%s" 1197 "\n" 1198 , 1199 #ifdef ENABLE_IPV6 1200 "/IPv6" 1201 #else 1202 "" 1203 #endif 1204 ); 1205 return 0; 1206 } 1207 else if(!strcmp("--pidfile", argv[arg])) { 1208 arg++; 1209 if(argc>arg) 1210 pidname = argv[arg++]; 1211 } 1212 else if(!strcmp("--logfile", argv[arg])) { 1213 arg++; 1214 if(argc>arg) 1215 serverlogfile = argv[arg++]; 1216 } 1217 else if(!strcmp("--ipv4", argv[arg])) { 1218 #ifdef ENABLE_IPV6 1219 ipv_inuse = "IPv4"; 1220 use_ipv6 = FALSE; 1221 #endif 1222 arg++; 1223 } 1224 else if(!strcmp("--ipv6", argv[arg])) { 1225 #ifdef ENABLE_IPV6 1226 ipv_inuse = "IPv6"; 1227 use_ipv6 = TRUE; 1228 #endif 1229 arg++; 1230 } 1231 else if(!strcmp("--port", argv[arg])) { 1232 arg++; 1233 if(argc>arg) { 1234 char *endptr; 1235 unsigned long ulnum = strtoul(argv[arg], &endptr, 10); 1236 if((endptr != argv[arg] + strlen(argv[arg])) || 1237 (ulnum < 1025UL) || (ulnum > 65535UL)) { 1238 fprintf(stderr, "rtspd: invalid --port argument (%s)\n", 1239 argv[arg]); 1240 return 0; 1241 } 1242 port = curlx_ultous(ulnum); 1243 arg++; 1244 } 1245 } 1246 else if(!strcmp("--srcdir", argv[arg])) { 1247 arg++; 1248 if(argc>arg) { 1249 path = argv[arg]; 1250 arg++; 1251 } 1252 } 1253 else { 1254 puts("Usage: rtspd [option]\n" 1255 " --version\n" 1256 " --logfile [file]\n" 1257 " --pidfile [file]\n" 1258 " --ipv4\n" 1259 " --ipv6\n" 1260 " --port [port]\n" 1261 " --srcdir [path]"); 1262 return 0; 1263 } 1264 } 1265 1266 #ifdef WIN32 1267 win32_init(); 1268 atexit(win32_cleanup); 1269 #endif 1270 1271 install_signal_handlers(); 1272 1273 pid = (long)getpid(); 1274 1275 #ifdef ENABLE_IPV6 1276 if(!use_ipv6) 1277 #endif 1278 sock = socket(AF_INET, SOCK_STREAM, 0); 1279 #ifdef ENABLE_IPV6 1280 else 1281 sock = socket(AF_INET6, SOCK_STREAM, 0); 1282 #endif 1283 1284 if(CURL_SOCKET_BAD == sock) { 1285 error = SOCKERRNO; 1286 logmsg("Error creating socket: (%d) %s", 1287 error, strerror(error)); 1288 goto server_cleanup; 1289 } 1290 1291 flag = 1; 1292 if(0 != setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, 1293 (void *)&flag, sizeof(flag))) { 1294 error = SOCKERRNO; 1295 logmsg("setsockopt(SO_REUSEADDR) failed with error: (%d) %s", 1296 error, strerror(error)); 1297 goto server_cleanup; 1298 } 1299 1300 #ifdef ENABLE_IPV6 1301 if(!use_ipv6) { 1302 #endif 1303 memset(&me.sa4, 0, sizeof(me.sa4)); 1304 me.sa4.sin_family = AF_INET; 1305 me.sa4.sin_addr.s_addr = INADDR_ANY; 1306 me.sa4.sin_port = htons(port); 1307 rc = bind(sock, &me.sa, sizeof(me.sa4)); 1308 #ifdef ENABLE_IPV6 1309 } 1310 else { 1311 memset(&me.sa6, 0, sizeof(me.sa6)); 1312 me.sa6.sin6_family = AF_INET6; 1313 me.sa6.sin6_addr = in6addr_any; 1314 me.sa6.sin6_port = htons(port); 1315 rc = bind(sock, &me.sa, sizeof(me.sa6)); 1316 } 1317 #endif /* ENABLE_IPV6 */ 1318 if(0 != rc) { 1319 error = SOCKERRNO; 1320 logmsg("Error binding socket on port %hu: (%d) %s", 1321 port, error, strerror(error)); 1322 goto server_cleanup; 1323 } 1324 1325 logmsg("Running %s version on port %d", ipv_inuse, (int)port); 1326 1327 /* start accepting connections */ 1328 rc = listen(sock, 5); 1329 if(0 != rc) { 1330 error = SOCKERRNO; 1331 logmsg("listen() failed with error: (%d) %s", 1332 error, strerror(error)); 1333 goto server_cleanup; 1334 } 1335 1336 /* 1337 ** As soon as this server writes its pid file the test harness will 1338 ** attempt to connect to this server and initiate its verification. 1339 */ 1340 1341 wrotepidfile = write_pidfile(pidname); 1342 if(!wrotepidfile) 1343 goto server_cleanup; 1344 1345 for(;;) { 1346 msgsock = accept(sock, NULL, NULL); 1347 1348 if(got_exit_signal) 1349 break; 1350 if(CURL_SOCKET_BAD == msgsock) { 1351 error = SOCKERRNO; 1352 logmsg("MAJOR ERROR: accept() failed with error: (%d) %s", 1353 error, strerror(error)); 1354 break; 1355 } 1356 1357 /* 1358 ** As soon as this server acepts a connection from the test harness it 1359 ** must set the server logs advisor read lock to indicate that server 1360 ** logs should not be read until this lock is removed by this server. 1361 */ 1362 1363 set_advisor_read_lock(SERVERLOGS_LOCK); 1364 serverlogslocked = 1; 1365 1366 logmsg("====> Client connect"); 1367 1368 #ifdef TCP_NODELAY 1369 /* 1370 * Disable the Nagle algorithm to make it easier to send out a large 1371 * response in many small segments to torture the clients more. 1372 */ 1373 flag = 1; 1374 if(setsockopt(msgsock, IPPROTO_TCP, TCP_NODELAY, 1375 (void *)&flag, sizeof(flag)) == -1) { 1376 logmsg("====> TCP_NODELAY failed"); 1377 } 1378 #endif 1379 1380 /* initialization of httprequest struct is done in get_request(), but due 1381 to pipelining treatment the pipelining struct field must be initialized 1382 previously to FALSE every time a new connection arrives. */ 1383 1384 req.pipelining = FALSE; 1385 1386 do { 1387 if(got_exit_signal) 1388 break; 1389 1390 if(get_request(msgsock, &req)) 1391 /* non-zero means error, break out of loop */ 1392 break; 1393 1394 if(prevbounce) { 1395 /* bounce treatment requested */ 1396 if((req.testno == prevtestno) && 1397 (req.partno == prevpartno)) { 1398 req.partno++; 1399 logmsg("BOUNCE part number to %ld", req.partno); 1400 } 1401 else { 1402 prevbounce = FALSE; 1403 prevtestno = -1; 1404 prevpartno = -1; 1405 } 1406 } 1407 1408 send_doc(msgsock, &req); 1409 if(got_exit_signal) 1410 break; 1411 1412 if((req.testno < 0) && (req.testno != DOCNUMBER_CONNECT)) { 1413 logmsg("special request received, no persistency"); 1414 break; 1415 } 1416 if(!req.open) { 1417 logmsg("instructed to close connection after server-reply"); 1418 break; 1419 } 1420 1421 if(req.open) 1422 logmsg("=> persistant connection request ended, awaits new request"); 1423 /* if we got a CONNECT, loop and get another request as well! */ 1424 } while(req.open || (req.testno == DOCNUMBER_CONNECT)); 1425 1426 if(got_exit_signal) 1427 break; 1428 1429 logmsg("====> Client disconnect"); 1430 sclose(msgsock); 1431 msgsock = CURL_SOCKET_BAD; 1432 1433 if(serverlogslocked) { 1434 serverlogslocked = 0; 1435 clear_advisor_read_lock(SERVERLOGS_LOCK); 1436 } 1437 1438 if(req.testno == DOCNUMBER_QUIT) 1439 break; 1440 } 1441 1442 server_cleanup: 1443 1444 if((msgsock != sock) && (msgsock != CURL_SOCKET_BAD)) 1445 sclose(msgsock); 1446 1447 if(sock != CURL_SOCKET_BAD) 1448 sclose(sock); 1449 1450 if(got_exit_signal) 1451 logmsg("signalled to die"); 1452 1453 if(wrotepidfile) 1454 unlink(pidname); 1455 1456 if(serverlogslocked) { 1457 serverlogslocked = 0; 1458 clear_advisor_read_lock(SERVERLOGS_LOCK); 1459 } 1460 1461 restore_signal_handlers(); 1462 1463 if(got_exit_signal) { 1464 logmsg("========> %s rtspd (port: %d pid: %ld) exits with signal (%d)", 1465 ipv_inuse, (int)port, pid, exit_signal); 1466 /* 1467 * To properly set the return status of the process we 1468 * must raise the same signal SIGINT or SIGTERM that we 1469 * caught and let the old handler take care of it. 1470 */ 1471 raise(exit_signal); 1472 } 1473 1474 logmsg("========> rtspd quits"); 1475 return 0; 1476 } 1477 1478
