1 /***************************************************************************
3 * Project ___| | | | _ \| |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
8 * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
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 http://curl.haxx.se/docs/copyright.html.
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.
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
21 ***************************************************************************/
22 #include "server_setup.h"
25 * curl's test suite Real Time Streaming Protocol (RTSP) server.
27 * This source file was started based on curl's HTTP test suite server.
33 #ifdef HAVE_NETINET_IN_H
34 #include <netinet/in.h>
36 #ifdef HAVE_ARPA_INET_H
37 #include <arpa/inet.h>
42 #ifdef HAVE_NETINET_TCP_H
43 #include <netinet/tcp.h> /* for TCP_NODELAY */
46 #define ENABLE_CURLX_PRINTF
47 /* make the curlx header define all printf() functions to use the curlx_*
49 #include "curlx.h" /* from the private lib dir */
52 #include "server_sockaddr.h"
54 /* include memdebug.h last */
59 #define EINTR 4 /* errno.h value */
61 #define ERANGE 34 /* errno.h value */
65 static bool use_ipv6 = FALSE;
67 static const char *ipv_inuse = "IPv4";
68 static int serverlogslocked = 0;
70 #define REQBUFSIZ 150000
71 #define REQBUFSIZ_TXT "149999"
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 */
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 */
89 #define SET_RTP_PKT_CHN(p,c) ((p)[1] = (unsigned char)((c) & 0xFF))
91 #define SET_RTP_PKT_LEN(p,l) (((p)[2] = (unsigned char)(((l) >> 8) & 0xFF)), \
92 ((p)[3] = (unsigned char)((l) & 0xFF)))
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"
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
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 */
118 size_t rtp_buffersize;
121 static int ProcessRequest(struct httprequest *req);
122 static void storerequest(char *reqbuf, size_t totalsize);
124 #define DEFAULT_PORT 8999
126 #ifndef DEFAULT_LOGFILE
127 #define DEFAULT_LOGFILE "log/rtspd.log"
130 const char *serverlogfile = DEFAULT_LOGFILE;
132 #define RTSPDVERSION "cURL test suite RTSP server/0.1"
134 #define REQUEST_DUMP "log/server.input"
135 #define RESPONSE_DUMP "log/server.response"
137 /* very-big-path support */
138 #define MAXDOCNAMELEN 140000
139 #define MAXDOCNAMELEN_TXT "139999"
141 #define REQUEST_KEYWORD_SIZE 256
142 #define REQUEST_KEYWORD_SIZE_TXT "255"
144 #define CMD_AUTH_REQUIRED "auth_required"
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"
150 /* 'stream' means to send a never-ending stream of data */
151 #define CMD_STREAM "stream"
153 #define END_OF_HEADERS "\r\n\r\n"
156 DOCNUMBER_NOTHING = -7,
158 DOCNUMBER_BADCONNECT = -5,
159 DOCNUMBER_INTERNAL= -4,
160 DOCNUMBER_CONNECT = -3,
161 DOCNUMBER_WERULEZ = -2,
166 /* sent as reply to a QUIT */
167 static const char *docquit =
168 "HTTP/1.1 200 Goodbye" END_OF_HEADERS;
170 /* sent as reply to a CONNECT */
171 static const char *docconnect =
172 "HTTP/1.1 200 Mighty fine indeed" END_OF_HEADERS;
174 /* sent as reply to a "bad" CONNECT */
175 static const char *docbadconnect =
176 "HTTP/1.1 501 Forbidden you fool" END_OF_HEADERS;
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"
184 "<!DOCTYPE HTML PUBLIC \"-//IETF//DTD HTML 2.0//EN\">\n"
186 "<TITLE>404 Not Found</TITLE>\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";
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
197 /* Default size to send away fake RTP data */
198 #define RTP_DATA_SIZE 12
199 static const char *RTP_DATA = "$_1234\n\0asdf";
201 /* do-nothing macro replacement for systems which lack siginterrupt() */
203 #ifndef HAVE_SIGINTERRUPT
204 #define siginterrupt(x,y) do {} while(0)
207 /* vars used to keep around previous signal handlers */
209 typedef RETSIGTYPE (*SIGHANDLER_T)(int);
212 static SIGHANDLER_T old_sighup_handler = SIG_ERR;
216 static SIGHANDLER_T old_sigpipe_handler = SIG_ERR;
220 static SIGHANDLER_T old_sigalrm_handler = SIG_ERR;
224 static SIGHANDLER_T old_sigint_handler = SIG_ERR;
228 static SIGHANDLER_T old_sigterm_handler = SIG_ERR;
231 #if defined(SIGBREAK) && defined(WIN32)
232 static SIGHANDLER_T old_sigbreak_handler = SIG_ERR;
235 /* var which if set indicates that the program should finish execution */
237 SIG_ATOMIC_T got_exit_signal = 0;
239 /* if next is set indicates the first signal handled in exit_signal_handler */
241 static volatile int exit_signal = 0;
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. */
248 static RETSIGTYPE exit_signal_handler(int signum)
250 int old_errno = errno;
251 if(got_exit_signal == 0) {
253 exit_signal = signum;
255 (void)signal(signum, exit_signal_handler);
259 static void install_signal_handlers(void)
262 /* ignore SIGHUP signal */
263 if((old_sighup_handler = signal(SIGHUP, SIG_IGN)) == SIG_ERR)
264 logmsg("cannot install SIGHUP handler: %s", strerror(errno));
267 /* ignore SIGPIPE signal */
268 if((old_sigpipe_handler = signal(SIGPIPE, SIG_IGN)) == SIG_ERR)
269 logmsg("cannot install SIGPIPE handler: %s", strerror(errno));
272 /* ignore SIGALRM signal */
273 if((old_sigalrm_handler = signal(SIGALRM, SIG_IGN)) == SIG_ERR)
274 logmsg("cannot install SIGALRM handler: %s", strerror(errno));
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));
281 siginterrupt(SIGINT, 1);
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));
288 siginterrupt(SIGTERM, 1);
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));
295 siginterrupt(SIGBREAK, 1);
299 static void restore_signal_handlers(void)
302 if(SIG_ERR != old_sighup_handler)
303 (void)signal(SIGHUP, old_sighup_handler);
306 if(SIG_ERR != old_sigpipe_handler)
307 (void)signal(SIGPIPE, old_sigpipe_handler);
310 if(SIG_ERR != old_sigalrm_handler)
311 (void)signal(SIGALRM, old_sigalrm_handler);
314 if(SIG_ERR != old_sigint_handler)
315 (void)signal(SIGINT, old_sigint_handler);
318 if(SIG_ERR != old_sigterm_handler)
319 (void)signal(SIGTERM, old_sigterm_handler);
321 #if defined(SIGBREAK) && defined(WIN32)
322 if(SIG_ERR != old_sigbreak_handler)
323 (void)signal(SIGBREAK, old_sigbreak_handler);
327 static int ProcessRequest(struct httprequest *req)
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];
335 int prot_major, prot_minor;
338 end = strstr(line, END_OF_HEADERS);
340 logmsg("ProcessRequest() called with testno %ld and line [%s]",
343 /* try to figure out the request characteristics as soon as possible, but
345 if((req->testno == DOCNUMBER_NOTHING) &&
347 "%" REQUEST_KEYWORD_SIZE_TXT"s %" MAXDOCNAMELEN_TXT "s %4s/%d.%d",
355 if(!strcmp(prot_str, "HTTP")) {
356 req->protocol = RPROT_HTTP;
358 else if(!strcmp(prot_str, "RTSP")) {
359 req->protocol = RPROT_RTSP;
362 req->protocol = RPROT_NONE;
363 logmsg("got unknown protocol %s", prot_str);
367 req->prot_version = prot_major*10 + prot_minor;
369 /* find the last slash */
370 ptr = strrchr(doc, '/');
372 /* get the number after it */
377 if((strlen(doc) + strlen(request)) < 200)
378 sprintf(logbuf, "Got request: %s %s %s/%d.%d",
379 request, doc, prot_str, prot_major, prot_minor);
381 sprintf(logbuf, "Got a *HUGE* request %s/%d.%d",
382 prot_str, prot_major, prot_minor);
383 logmsg("%s", logbuf);
385 if(!strncmp("/verifiedserver", ptr, 15)) {
386 logmsg("Are-we-friendly question received");
387 req->testno = DOCNUMBER_WERULEZ;
391 if(!strncmp("/quit", ptr, 5)) {
392 logmsg("Request-to-quit received");
393 req->testno = DOCNUMBER_QUIT;
397 ptr++; /* skip the slash */
399 /* skip all non-numericals following the slash */
400 while(*ptr && !ISDIGIT(*ptr))
403 req->testno = strtol(ptr, &ptr, 10);
405 if(req->testno > 10000) {
406 req->partno = req->testno % 10000;
407 req->testno /= 10000;
412 sprintf(logbuf, "Requested test number %ld part %ld",
413 req->testno, req->partno);
414 logmsg("%s", logbuf);
416 filename = test2file(req->testno);
418 stream=fopen(filename, "rb");
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 */
436 char *rtp_scratch = NULL;
438 /* get the custom server control "commands" */
439 error = getpart(&cmd, &cmdsize, "reply", "servercmd", stream);
442 logmsg("getpart() failed with error: %d", error);
443 req->open = FALSE; /* closes connection */
449 logmsg("Found a reply-servercmd section!");
451 if(!strncmp(CMD_AUTH_REQUIRED, ptr, strlen(CMD_AUTH_REQUIRED))) {
452 logmsg("instructed to require authorization header");
453 req->auth_req = TRUE;
455 else if(!strncmp(CMD_IDLE, ptr, strlen(CMD_IDLE))) {
456 logmsg("instructed to idle");
457 req->rcmd = RCMD_IDLE;
460 else if(!strncmp(CMD_STREAM, ptr, strlen(CMD_STREAM))) {
461 logmsg("instructed to stream");
462 req->rcmd = RCMD_STREAM;
464 else if(1 == sscanf(ptr, "pipe: %d", &num)) {
465 logmsg("instructed to allow a pipe size of %d", num);
467 logmsg("negative pipe size ignored");
469 req->pipe = num-1; /* decrease by one since we don't count the
470 first request in this number */
472 else if(1 == sscanf(ptr, "skip: %d", &num)) {
473 logmsg("instructed to skip this number of bytes %d", num);
476 else if(3 == sscanf(ptr, "rtp: part %d channel %d size %d",
477 &rtp_partno, &rtp_channel, &rtp_size)) {
479 if(rtp_partno == req->partno) {
480 logmsg("RTP: part %d channel %d size %d",
481 rtp_partno, rtp_channel, rtp_size);
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);
487 /* RTP is signalled with a $ */
488 rtp_scratch[0] = '$';
490 /* The channel follows and is one byte */
491 SET_RTP_PKT_CHN(rtp_scratch ,rtp_channel);
493 /* Length follows and is a two byte short in network order */
494 SET_RTP_PKT_LEN(rtp_scratch, rtp_size);
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);
501 if(req->rtp_buffer == NULL) {
502 req->rtp_buffer = rtp_scratch;
503 req->rtp_buffersize = rtp_size + 4;
505 req->rtp_buffer = realloc(req->rtp_buffer, req->rtp_buffersize + rtp_size + 4);
506 memcpy(req->rtp_buffer + req->rtp_buffersize, rtp_scratch, rtp_size + 4);
507 req->rtp_buffersize += rtp_size + 4;
510 logmsg("rtp_buffersize is %zu, rtp_size is %d.", req->rtp_buffersize, rtp_size);
515 logmsg("funny instruction found: %s", ptr);
518 ptr = strchr(ptr, '\n');
523 } while(ptr && *ptr);
524 logmsg("Done parsing server commands");
530 if(sscanf(req->reqbuf, "CONNECT %" MAXDOCNAMELEN_TXT "s HTTP/%d.%d",
531 doc, &prot_major, &prot_minor) == 3) {
532 sprintf(logbuf, "Received a CONNECT %s HTTP/%d.%d request",
533 doc, prot_major, prot_minor);
534 logmsg("%s", logbuf);
536 if(req->prot_version == 10)
537 req->open = FALSE; /* HTTP 1.0 closes connection by default */
539 if(!strncmp(doc, "bad", 3))
540 /* if the host name starts with bad, we fake an error here */
541 req->testno = DOCNUMBER_BADCONNECT;
542 else if(!strncmp(doc, "test", 4)) {
543 /* if the host name starts with test, the port number used in the
544 CONNECT line will be used as test number! */
545 char *portp = strchr(doc, ':');
546 if(portp && (*(portp+1) != '\0') && ISDIGIT(*(portp+1)))
547 req->testno = strtol(portp+1, NULL, 10);
549 req->testno = DOCNUMBER_CONNECT;
552 req->testno = DOCNUMBER_CONNECT;
555 logmsg("Did not find test number in PATH");
556 req->testno = DOCNUMBER_404;
562 /* we don't have a complete request yet! */
563 logmsg("ProcessRequest returned without a complete request");
564 return 0; /* not complete yet */
566 logmsg("ProcessRequest found a complete request");
569 /* we do have a full set, advance the checkindex to after the end of the
570 headers, for the pipelining case mostly */
571 req->checkindex += (end - line) + strlen(END_OF_HEADERS);
573 /* **** Persistence ****
575 * If the request is a HTTP/1.0 one, we close the connection unconditionally
578 * If the request is a HTTP/1.1 one, we MUST check for a "Connection:"
579 * header that might say "close". If it does, we close a connection when
580 * this request is processed. Otherwise, we keep the connection alive for X
588 if((req->cl==0) && curlx_strnequal("Content-Length:", line, 15)) {
589 /* If we don't ignore content-length, we read it and we read the whole
590 request including the body before we return. If we've been told to
591 ignore the content-length, we will return as soon as all headers
592 have been received */
594 char *ptr = line + 15;
595 unsigned long clen = 0;
596 while(*ptr && ISSPACE(*ptr))
600 clen = strtoul(ptr, &endptr, 10);
601 if((ptr == endptr) || !ISSPACE(*endptr) || (ERANGE == errno)) {
602 /* this assumes that a zero Content-Length is valid */
603 logmsg("Found invalid Content-Length: (%s) in the request", ptr);
604 req->open = FALSE; /* closes connection */
607 req->cl = clen - req->skip;
609 logmsg("Found Content-Length: %lu in the request", clen);
611 logmsg("... but will abort after %zu bytes", req->cl);
614 else if(curlx_strnequal("Transfer-Encoding: chunked", line,
615 strlen("Transfer-Encoding: chunked"))) {
616 /* chunked data coming in */
621 if(strstr(req->reqbuf, "\r\n0\r\n\r\n"))
622 /* end of chunks reached */
625 return 0; /* not done */
628 line = strchr(line, '\n');
634 if(!req->auth && strstr(req->reqbuf, "Authorization:")) {
635 req->auth = TRUE; /* Authorization: header present! */
637 logmsg("Authorization header found, as required");
640 if(!req->digest && strstr(req->reqbuf, "Authorization: Digest")) {
641 /* If the client is passing this Digest-header, we set the part number
642 to 1000. Not only to spice up the complexity of this, but to make
643 Digest stuff to work in the test suite. */
645 req->digest = TRUE; /* header found */
646 logmsg("Received Digest request, sending back data %ld", req->partno);
648 else if(!req->ntlm &&
649 strstr(req->reqbuf, "Authorization: NTLM TlRMTVNTUAAD")) {
650 /* If the client is passing this type-3 NTLM header */
652 req->ntlm = TRUE; /* NTLM found */
653 logmsg("Received NTLM type-3, sending back data %ld", req->partno);
655 logmsg(" Expecting %zu POSTed bytes", req->cl);
658 else if(!req->ntlm &&
659 strstr(req->reqbuf, "Authorization: NTLM TlRMTVNTUAAB")) {
660 /* If the client is passing this type-1 NTLM header */
662 req->ntlm = TRUE; /* NTLM found */
663 logmsg("Received NTLM type-1, sending back data %ld", req->partno);
665 else if((req->partno >= 1000) && strstr(req->reqbuf, "Authorization: Basic")) {
666 /* If the client is passing this Basic-header and the part number is already
667 >=1000, we add 1 to the part number. This allows simple Basic authentication
668 negotiation to work in the test suite. */
670 logmsg("Received Basic request, sending back data %ld", req->partno);
672 if(strstr(req->reqbuf, "Connection: close"))
673 req->open = FALSE; /* close connection after this request */
677 req->prot_version >= 11 &&
679 req->reqbuf + req->offset > end + strlen(END_OF_HEADERS) &&
680 (!strncmp(req->reqbuf, "GET", strlen("GET")) ||
681 !strncmp(req->reqbuf, "HEAD", strlen("HEAD")))) {
682 /* If we have a persistent connection, HTTP version >= 1.1
683 and GET/HEAD request, enable pipelining. */
684 req->checkindex = (end - req->reqbuf) + strlen(END_OF_HEADERS);
685 req->pipelining = TRUE;
691 /* scan for more header ends within this chunk */
692 line = &req->reqbuf[req->checkindex];
693 end = strstr(line, END_OF_HEADERS);
696 req->checkindex += (end - line) + strlen(END_OF_HEADERS);
700 /* If authentication is required and no auth was provided, end now. This
701 makes the server NOT wait for PUT/POST data and you can then make the
702 test case send a rejection before any such data has been sent. Test case
704 if(req->auth_req && !req->auth)
708 if(req->cl <= req->offset - (end - req->reqbuf) - strlen(END_OF_HEADERS))
711 return 0; /* not complete yet */
717 /* store the entire request in a file */
718 static void storerequest(char *reqbuf, size_t totalsize)
732 dump = fopen(REQUEST_DUMP, "ab");
733 } while ((dump == NULL) && ((error = errno) == EINTR));
735 logmsg("Error opening file %s error: %d %s",
736 REQUEST_DUMP, error, strerror(error));
737 logmsg("Failed to write request input to " REQUEST_DUMP);
741 writeleft = totalsize;
743 written = fwrite(&reqbuf[totalsize-writeleft],
746 goto storerequest_cleanup;
748 writeleft -= written;
749 } while ((writeleft > 0) && ((error = errno) == EINTR));
752 logmsg("Wrote request (%zu bytes) input to " REQUEST_DUMP, totalsize);
753 else if(writeleft > 0) {
754 logmsg("Error writing file %s error: %d %s",
755 REQUEST_DUMP, error, strerror(error));
756 logmsg("Wrote only (%zu bytes) of (%zu bytes) request input to %s",
757 totalsize-writeleft, totalsize, REQUEST_DUMP);
760 storerequest_cleanup:
764 } while(res && ((error = errno) == EINTR));
766 logmsg("Error closing file %s error: %d %s",
767 REQUEST_DUMP, error, strerror(error));
770 /* return 0 on success, non-zero on failure */
771 static int get_request(curl_socket_t sock, struct httprequest *req)
775 int done_processing = 0;
776 char *reqbuf = req->reqbuf;
779 char *pipereq = NULL;
780 size_t pipereq_length = 0;
782 if(req->pipelining) {
783 pipereq = reqbuf + req->checkindex;
784 pipereq_length = req->offset - req->checkindex;
787 /*** Init the httprequest structure properly for the upcoming request ***/
791 req->testno = DOCNUMBER_NOTHING;
794 req->auth_req = FALSE;
801 req->rcmd = RCMD_NORMALREQ;
802 req->protocol = RPROT_NONE;
803 req->prot_version = 0;
804 req->pipelining = FALSE;
805 req->rtp_buffer = NULL;
806 req->rtp_buffersize = 0;
808 /*** end of httprequest init ***/
810 while(!done_processing && (req->offset < REQBUFSIZ-1)) {
811 if(pipereq_length && pipereq) {
812 memmove(reqbuf, pipereq, pipereq_length);
813 got = curlx_uztosz(pipereq_length);
818 /* we are instructed to not read the entire thing, so we make sure to only
819 read what we're supposed to and NOT read the enire thing the client
821 got = sread(sock, reqbuf + req->offset, req->cl);
823 got = sread(sock, reqbuf + req->offset, REQBUFSIZ-1 - req->offset);
828 logmsg("Connection closed by client");
833 logmsg("recv() returned error: (%d) %s", error, strerror(error));
837 /* dump the request received so far to the external file */
838 reqbuf[req->offset] = '\0';
839 storerequest(reqbuf, req->offset);
843 logmsg("Read %zd bytes", got);
845 req->offset += (size_t)got;
846 reqbuf[req->offset] = '\0';
848 done_processing = ProcessRequest(req);
851 if(done_processing && req->pipe) {
852 logmsg("Waiting for another piped request");
858 if((req->offset == REQBUFSIZ-1) && (got > 0)) {
859 logmsg("Request would overflow buffer, closing connection");
860 /* dump request received so far to external file anyway */
861 reqbuf[REQBUFSIZ-1] = '\0';
864 else if(req->offset > REQBUFSIZ-1) {
865 logmsg("Request buffer overflow, closing connection");
866 /* dump request received so far to external file anyway */
867 reqbuf[REQBUFSIZ-1] = '\0';
871 reqbuf[req->offset] = '\0';
873 /* dump the request to an external file */
874 storerequest(reqbuf, req->pipelining ? req->checkindex : req->offset);
878 return fail; /* return 0 on success */
881 /* returns -1 on failure */
882 static int send_doc(curl_socket_t sock, struct httprequest *req)
892 bool persistant = TRUE;
893 bool sendfailure = FALSE;
898 static char weare[256];
900 char partbuf[80]="data";
902 logmsg("Send response number %ld part %ld", req->testno, req->partno);
907 break; /* continue with business as usual */
909 #define STREAMTHIS "a string to stream 01234567890\n"
910 count = strlen(STREAMTHIS);
912 written = swrite(sock, STREAMTHIS, count);
915 if(written != (ssize_t)count) {
916 logmsg("Stopped streaming");
922 /* Do nothing. Sit idle. Pretend it rains. */
928 if(req->testno < 0) {
932 switch(req->testno) {
934 logmsg("Replying to QUIT");
937 case DOCNUMBER_WERULEZ:
938 /* we got a "friends?" question, reply back that we sure are */
939 logmsg("Identifying ourselves as friends");
940 sprintf(msgbuf, "RTSP_SERVER WE ROOLZ: %ld\r\n", (long)getpid());
941 msglen = strlen(msgbuf);
942 sprintf(weare, "HTTP/1.1 200 OK\r\nContent-Length: %zu\r\n\r\n%s",
946 case DOCNUMBER_INTERNAL:
947 logmsg("Bailing out due to internal error");
949 case DOCNUMBER_CONNECT:
950 logmsg("Replying to CONNECT");
953 case DOCNUMBER_BADCONNECT:
954 logmsg("Replying to a bad CONNECT");
955 buffer = docbadconnect;
959 logmsg("Replying to with a 404");
960 if(req->protocol == RPROT_HTTP) {
961 buffer = doc404_HTTP;
963 buffer = doc404_RTSP;
968 count = strlen(buffer);
971 char *filename = test2file(req->testno);
974 sprintf(partbuf, "data%ld", req->partno);
976 stream=fopen(filename, "rb");
979 logmsg("fopen() failed with error: %d %s", error, strerror(error));
980 logmsg("Error opening file: %s", filename);
981 logmsg("Couldn't open test file");
985 error = getpart(&ptr, &count, "reply", partbuf, stream);
988 logmsg("getpart() failed with error: %d", error);
994 if(got_exit_signal) {
999 /* re-open the same file again */
1000 stream=fopen(filename, "rb");
1003 logmsg("fopen() failed with error: %d %s", error, strerror(error));
1004 logmsg("Error opening file: %s", filename);
1005 logmsg("Couldn't open test file");
1010 /* get the custom server control "commands" */
1011 error = getpart(&cmd, &cmdsize, "reply", "postcmd", stream);
1014 logmsg("getpart() failed with error: %d", error);
1021 if(got_exit_signal) {
1027 /* If the word 'swsclose' is present anywhere in the reply chunk, the
1028 connection will be closed after the data has been sent to the requesting
1030 if(strstr(buffer, "swsclose") || !count) {
1032 logmsg("connection close instruction \"swsclose\" found in response");
1034 if(strstr(buffer, "swsbounce")) {
1036 logmsg("enable \"swsbounce\" in the next request");
1041 dump = fopen(RESPONSE_DUMP, "ab");
1044 logmsg("fopen() failed with error: %d %s", error, strerror(error));
1045 logmsg("Error opening file: %s", RESPONSE_DUMP);
1046 logmsg("couldn't create logfile: " RESPONSE_DUMP);
1052 responsesize = count;
1054 /* Ok, we send no more than 200 bytes at a time, just to make sure that
1055 larger chunks are split up so that the client will need to do multiple
1056 recv() calls to get it and thus we exercise that code better */
1060 written = swrite(sock, buffer, num);
1066 logmsg("Sent off %zd bytes", written);
1068 /* write to file as well */
1069 fwrite(buffer, 1, (size_t)written, dump);
1077 /* Send out any RTP data */
1078 if(req->rtp_buffer) {
1079 logmsg("About to write %zu RTP bytes", req->rtp_buffersize);
1080 count = req->rtp_buffersize;
1085 written = swrite(sock, req->rtp_buffer + (req->rtp_buffersize - count), num);
1093 free(req->rtp_buffer);
1094 req->rtp_buffersize = 0;
1099 } while(res && ((error = errno) == EINTR));
1101 logmsg("Error closing file %s error: %d %s",
1102 RESPONSE_DUMP, error, strerror(error));
1104 if(got_exit_signal) {
1111 logmsg("Sending response failed. Only (%zu bytes) of (%zu bytes) were sent",
1112 responsesize-count, responsesize);
1118 logmsg("Response sent (%zu bytes) and written to " RESPONSE_DUMP,
1128 if(2 == sscanf(ptr, "%31s %d", command, &num)) {
1129 if(!strcmp("wait", command)) {
1130 logmsg("Told to sleep for %d seconds", num);
1132 while(quarters > 0) {
1138 /* should not happen */
1140 logmsg("wait_ms() failed with error: (%d) %s",
1141 error, strerror(error));
1146 logmsg("Continuing after sleeping %d seconds", num);
1149 logmsg("Unknown command in reply command section");
1151 ptr = strchr(ptr, '\n');
1156 } while(ptr && *ptr);
1159 req->open = persistant;
1161 prevtestno = req->testno;
1162 prevpartno = req->partno;
1168 int main(int argc, char *argv[])
1170 srvr_sockaddr_union_t me;
1171 curl_socket_t sock = CURL_SOCKET_BAD;
1172 curl_socket_t msgsock = CURL_SOCKET_BAD;
1173 int wrotepidfile = 0;
1175 unsigned short port = DEFAULT_PORT;
1176 char *pidname= (char *)".rtsp.pid";
1177 struct httprequest req;
1184 if(!strcmp("--version", argv[arg])) {
1185 printf("rtspd IPv4%s"
1196 else if(!strcmp("--pidfile", argv[arg])) {
1199 pidname = argv[arg++];
1201 else if(!strcmp("--logfile", argv[arg])) {
1204 serverlogfile = argv[arg++];
1206 else if(!strcmp("--ipv4", argv[arg])) {
1213 else if(!strcmp("--ipv6", argv[arg])) {
1220 else if(!strcmp("--port", argv[arg])) {
1224 unsigned long ulnum = strtoul(argv[arg], &endptr, 10);
1225 if((endptr != argv[arg] + strlen(argv[arg])) ||
1226 (ulnum < 1025UL) || (ulnum > 65535UL)) {
1227 fprintf(stderr, "rtspd: invalid --port argument (%s)\n",
1231 port = curlx_ultous(ulnum);
1235 else if(!strcmp("--srcdir", argv[arg])) {
1243 puts("Usage: rtspd [option]\n"
1245 " --logfile [file]\n"
1246 " --pidfile [file]\n"
1250 " --srcdir [path]");
1257 atexit(win32_cleanup);
1260 install_signal_handlers();
1262 pid = (long)getpid();
1267 sock = socket(AF_INET, SOCK_STREAM, 0);
1270 sock = socket(AF_INET6, SOCK_STREAM, 0);
1273 if(CURL_SOCKET_BAD == sock) {
1275 logmsg("Error creating socket: (%d) %s",
1276 error, strerror(error));
1277 goto server_cleanup;
1281 if (0 != setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,
1282 (void *)&flag, sizeof(flag))) {
1284 logmsg("setsockopt(SO_REUSEADDR) failed with error: (%d) %s",
1285 error, strerror(error));
1286 goto server_cleanup;
1292 memset(&me.sa4, 0, sizeof(me.sa4));
1293 me.sa4.sin_family = AF_INET;
1294 me.sa4.sin_addr.s_addr = INADDR_ANY;
1295 me.sa4.sin_port = htons(port);
1296 rc = bind(sock, &me.sa, sizeof(me.sa4));
1300 memset(&me.sa6, 0, sizeof(me.sa6));
1301 me.sa6.sin6_family = AF_INET6;
1302 me.sa6.sin6_addr = in6addr_any;
1303 me.sa6.sin6_port = htons(port);
1304 rc = bind(sock, &me.sa, sizeof(me.sa6));
1306 #endif /* ENABLE_IPV6 */
1309 logmsg("Error binding socket on port %hu: (%d) %s",
1310 port, error, strerror(error));
1311 goto server_cleanup;
1314 logmsg("Running %s version on port %d", ipv_inuse, (int)port);
1316 /* start accepting connections */
1317 rc = listen(sock, 5);
1320 logmsg("listen() failed with error: (%d) %s",
1321 error, strerror(error));
1322 goto server_cleanup;
1326 ** As soon as this server writes its pid file the test harness will
1327 ** attempt to connect to this server and initiate its verification.
1330 wrotepidfile = write_pidfile(pidname);
1332 goto server_cleanup;
1335 msgsock = accept(sock, NULL, NULL);
1339 if (CURL_SOCKET_BAD == msgsock) {
1341 logmsg("MAJOR ERROR: accept() failed with error: (%d) %s",
1342 error, strerror(error));
1347 ** As soon as this server acepts a connection from the test harness it
1348 ** must set the server logs advisor read lock to indicate that server
1349 ** logs should not be read until this lock is removed by this server.
1352 set_advisor_read_lock(SERVERLOGS_LOCK);
1353 serverlogslocked = 1;
1355 logmsg("====> Client connect");
1359 * Disable the Nagle algorithm to make it easier to send out a large
1360 * response in many small segments to torture the clients more.
1363 if (setsockopt(msgsock, IPPROTO_TCP, TCP_NODELAY,
1364 (void *)&flag, sizeof(flag)) == -1) {
1365 logmsg("====> TCP_NODELAY failed");
1369 /* initialization of httprequest struct is done in get_request(), but due
1370 to pipelining treatment the pipelining struct field must be initialized
1371 previously to FALSE every time a new connection arrives. */
1373 req.pipelining = FALSE;
1379 if(get_request(msgsock, &req))
1380 /* non-zero means error, break out of loop */
1384 /* bounce treatment requested */
1385 if((req.testno == prevtestno) &&
1386 (req.partno == prevpartno)) {
1388 logmsg("BOUNCE part number to %ld", req.partno);
1397 send_doc(msgsock, &req);
1401 if((req.testno < 0) && (req.testno != DOCNUMBER_CONNECT)) {
1402 logmsg("special request received, no persistency");
1406 logmsg("instructed to close connection after server-reply");
1411 logmsg("=> persistant connection request ended, awaits new request");
1412 /* if we got a CONNECT, loop and get another request as well! */
1413 } while(req.open || (req.testno == DOCNUMBER_CONNECT));
1418 logmsg("====> Client disconnect");
1420 msgsock = CURL_SOCKET_BAD;
1422 if(serverlogslocked) {
1423 serverlogslocked = 0;
1424 clear_advisor_read_lock(SERVERLOGS_LOCK);
1427 if (req.testno == DOCNUMBER_QUIT)
1433 if((msgsock != sock) && (msgsock != CURL_SOCKET_BAD))
1436 if(sock != CURL_SOCKET_BAD)
1440 logmsg("signalled to die");
1445 if(serverlogslocked) {
1446 serverlogslocked = 0;
1447 clear_advisor_read_lock(SERVERLOGS_LOCK);
1450 restore_signal_handlers();
1452 if(got_exit_signal) {
1453 logmsg("========> %s rtspd (port: %d pid: %ld) exits with signal (%d)",
1454 ipv_inuse, (int)port, pid, exit_signal);
1456 * To properly set the return status of the process we
1457 * must raise the same signal SIGINT or SIGTERM that we
1458 * caught and let the old handler take care of it.
1463 logmsg("========> rtspd quits");