Пример #1
0
int start_server(const char *url, const char *rtspport)
{
  int mediafd = -1, listenfd, tempfd, maxfd;
  int videofd;
  struct addrinfo *info;
  struct sockaddr_storage remoteaddr;
  socklen_t addrlen = sizeof remoteaddr;
  fd_set readfds, masterfds;
  int nready, i;
  int videosize, videoleft;
  int recvd, sent;
  char urlhost[URLSIZE], urlpath[URLSIZE], tempstr[URLSIZE];
  unsigned char msgbuf[BUFSIZE], sendbuf[BUFSIZE];
  char *temp;
  RTSPMsg rtspmsg;
  Client streamclient;


  /* The current state of the protocol */
  int mediastate = IDLE;
  int quit = 0;

  init_client(&streamclient);

  /* Open the a file where the video is to be stored */
  if ((videofd = open("videotemp.mp4", O_RDWR | O_CREAT | O_TRUNC, S_IRWXU)) < 0) {
    fatal_error("Error opening the temporary videofile");
  }

  /* Create the RTSP listening socket */
  resolve_host(NULL, rtspport, SOCK_STREAM, AI_PASSIVE, &info);
  listenfd = server_socket(info);
  maxfd = listenfd;


  FD_ZERO(&readfds);
  FD_ZERO(&masterfds);
  FD_SET(listenfd, &masterfds);


  while (!quit) {

    readfds = masterfds;

    if ((nready = Select(maxfd + 1, &readfds, NULL)) == -1) {
      write_log(logfd, "Select interrupted by a signal\n");
    } 

    for (i = 0; i <= maxfd; i++) {
      if (FD_ISSET(i, &readfds)) {

        nready--;

        /* New connection from a client */
        if (i == listenfd) {
          if ((tempfd = accept(i, (struct sockaddr *)&remoteaddr, &addrlen)) == -1) {
            if (errno != EWOULDBLOCK && errno != ECONNABORTED &&
                errno != EPROTO && errno != EINTR)
            {
              fatal_error("accept");
            }
          }

          /* If we are already serving a client, close the new connection. Otherwise, continue. */
          if (streamclient.state != NOCLIENT) close (tempfd);
          else {
            streamclient.rtspfd = tempfd;
            streamclient.state = CLICONNECTED;
            maxfd = max(2, streamclient.rtspfd, maxfd);
            FD_SET(streamclient.rtspfd, &masterfds);
          }
        }

        /* Data from the media source */
        else if (i == mediafd) {

          switch (mediastate) {

            case GETSENT:
              /* Read ONLY the HTTP message from the socket and store the video size */
              recvd = recv_all(i, msgbuf, BUFSIZE, MSG_PEEK);
              temp = strstr((char *)msgbuf, "\r\n\r\n");
              recvd = recv_all(i, msgbuf, (int)(temp + 4 - (char *)msgbuf), 0);
              temp = strstr((char *)msgbuf, "Content-Length:");
              sscanf(temp, "Content-Length: %d", &videosize);
              videoleft = videosize;
              mediastate = RECVTCP;
              break;

            case RECVTCP:
              if ((recvd = recv_all(i, msgbuf, BUFSIZE, 0)) == 0) {
                FD_CLR(i, &masterfds);
                close(i);
                printf("Socket closed\n");
              }
              writestr(videofd, msgbuf, recvd);
              videoleft -= recvd;
              if (videoleft <= 0) mediastate = STREAM;
              break;

              /* TODO: Start streaming, currently just exits the program */
            case STREAM:
              /*
                 close(videofd);
                 close(mediafd);
                 close(listenfd);
                 quit = 1;
                 */
              break;

            default: 
              break;
          }
        }

        /* Data from a client ( i == streamclient.rtspfd) */
        else {

          if ((recvd = recv_all(i, msgbuf, BUFSIZE, 0)) == 0) {
            FD_CLR(i, &masterfds);
            close(i);
            printf("Socket closed\n");
            streamclient.state = NOCLIENT;
          }
          else {
            printf("%s", msgbuf);
            parse_rtsp(&rtspmsg, msgbuf); 
          }

          switch (streamclient.state) {

            case CLICONNECTED:
              if (rtspmsg.type == OPTIONS) {
                sent = rtsp_options(&rtspmsg, sendbuf);
                send_all(i, sendbuf, sent);
              }
              else if (rtspmsg.type == DESCRIBE) {

                /* Start fetching the file from the server */
                parse_url(url, urlhost, urlpath);
                resolve_host(urlhost, "80", SOCK_STREAM, 0, &info);
                mediafd = client_socket(info, 0);
                FD_SET(mediafd, &masterfds);
                maxfd = max(2, maxfd, mediafd);

                /* Send the GET message */
                http_get(url, msgbuf);
                send_all(mediafd, msgbuf, strlen((char *)msgbuf));
                mediastate = GETSENT;

                /* TODO: parse SDP from the media file rather than hardcoding it */
                sent = rtsp_describe(&rtspmsg, sendbuf);
                send_all(i, sendbuf, sent);
                streamclient.state = SDPSENT;
              }
              break;

            case SDPSENT:
              if (rtspmsg.type == SETUP) {
                sent = rtsp_setup(&rtspmsg, sendbuf, 50508, 50509);
                send_all(i, sendbuf, sent);
                write_remote_ip(tempstr, streamclient.rtspfd);
                resolve_host(tempstr, rtspmsg.clirtpport, 0, SOCK_DGRAM, &info); 
                streamclient.videofds[0] = client_socket(info, 50508);
                resolve_host(tempstr, rtspmsg.clirtcpport, 0, SOCK_DGRAM, &info);
                streamclient.videofds[1] = client_socket(info, 50509);
                streamclient.state = SETUPSENT;
              }
              break;

            case SETUPSENT:
              if (rtspmsg.type == PLAY) {
              }
              
              break;

            default:
              break;
          }
        }
      }
      if (nready <= 0) break;   
    }

  }


  return 1;
}
Пример #2
0
Buffer* http_query(char *host, char *page, int port) {

  int client_fd;
  Buffer *buffer;
  char *request;
  char strbuf[DL_SIZE];
  int sz;

  // prepare http request header
  request = (char *) malloc(strlen(HTTP_REQ_GET) + strlen(page) + strlen(host) + 1);
  sprintf(request, HTTP_REQ_GET, page, host);

  // open connection to remote server
  client_fd = client_socket(host, port);

  // send http request to remote server
  if ((sz = write(client_fd, request, strlen(request))) < 0)
  {
      perror("write");
      fprintf(stderr, "Error: Failed to send http request to http://%s%s\n", host, page);
      exit(2);
  }

  // free http request
  free(request);

  // receive http response
  buffer = (Buffer *) calloc(1, sizeof(Buffer)); // allocate memory and fill with zeros
  memset(strbuf, 0, DL_SIZE);

  // read from socket
  while ((sz = read(client_fd, strbuf, DL_SIZE)) != 0)
  {
      if (sz < 0)
      {
          perror("read");
          fprintf(stderr, "Error: Failed to fetch http response from http://%s%s\n", host, page);
          exit(1);
      }
      else
      {
          // use realloc to increase size for variable length data
          // why use length+sz+1? because valgrind will complain about there is no space left for buffer->data
          buffer->data = realloc(buffer->data, buffer->length + sz + 1);

          // copy downloaded data from buffer to data with actual download size
          memcpy(buffer->data + buffer->length, strbuf, sz);

          // increase the recorded data size
          buffer->length += sz;
      }
      memset(strbuf, 0, DL_SIZE);
  }

  close(client_fd);

  // If the server return nothing, we will not create the object
  if (buffer->length == 0)
  {
      free(buffer);
      return NULL;
  }

  return buffer;

}
Пример #3
0
static int do_connect(int *out, char const *file, char const *server)
{
	int sockfd;
	ssize_t r;
	fr_channel_type_t channel;
	char buffer[65536];

	uint32_t magic;

	/*
	 *	Close stale file descriptors
	 */
	if (*out != -1) {
		close(*out);
		*out = -1;
	}

	if (file) {
		/*
		 *	FIXME: Get destination from command line, if possible?
		 */
		sockfd = fr_socket_client_unix(file, false);
		if (sockfd < 0) {
			fr_perror("radmin");
			if (errno == ENOENT) {
					fprintf(stderr, "Perhaps you need to run the commands:");
					fprintf(stderr, "\tcd /etc/raddb\n");
					fprintf(stderr, "\tln -s sites-available/control-socket "
						"sites-enabled/control-socket\n");
					fprintf(stderr, "and then re-start the server?\n");
			}
			return -1;
		}
	} else {
		sockfd = client_socket(server);
	}

	/*
	 *	Only works for BSD, but Linux allows us
	 *	to mask SIGPIPE, so that's fine.
	 */
#ifdef SO_NOSIGPIPE
	{
		int set = 1;

		setsockopt(sockfd, SOL_SOCKET, SO_NOSIGPIPE, (void *)&set, sizeof(int));
	}
#endif

	/*
	 *	Set up the initial header data.
	 */
	magic = 0xf7eead16;
	magic = htonl(magic);
	memcpy(buffer, &magic, sizeof(magic));
	memset(buffer + sizeof(magic), 0, sizeof(magic));

	r = fr_channel_write(sockfd, FR_CHANNEL_INIT_ACK, buffer, 8);
	if (r <= 0) {
	do_close:
		fprintf(stderr, "%s: Error in socket: %s\n",
			progname, fr_syserror(errno));
		close(sockfd);
			return -1;
	}

	r = fr_channel_read(sockfd, &channel, buffer + 8, 8);
	if (r <= 0) goto do_close;

	if ((r != 8) || (channel != FR_CHANNEL_INIT_ACK) ||
	    (memcmp(buffer, buffer + 8, 8) != 0)) {
		fprintf(stderr, "%s: Incompatible versions\n", progname);
		close(sockfd);
		return -1;
	}

	if (server && secret) {
		r = do_challenge(sockfd);
		if (r <= 0) goto do_close;
	}

	*out = sockfd;

	return 0;
}
Пример #4
0
bool loop()
{
  const char msg[10] = "";
  //
  // Ping out role.  Repeatedly send the current time
  //

  if (role == role_ping_out)
  {
    // First, stop listening so we can talk.
    radio.stopListening();

    // Take the time, and send it.  This will block until complete
//    unsigned long time = __millis();
 //   char msg[9] = "lamp1_on";
 //   printf("Now sending %s...",msg);
    bool ok = radio.write( msg, 10 );
    
    if (ok)
      printf("ok...");
    else
      printf("failed.\n\r");

    // Now, continue listening
    radio.startListening();

    // Wait here until we get a response, or timeout (250ms)
    unsigned long started_waiting_at = __millis();
    bool timeout = false;
    while ( ! radio.available() && ! timeout ) {
	// by bcatalin » Thu Feb 14, 2013 11:26 am 
	__msleep(5); //add a small delay to let radio.available to check payload
      if (__millis() - started_waiting_at > 200 )
        timeout = true;
    }

    // Describe the results
    if ( timeout )
    {
      printf("Failed, response timed out.\n\r");
      return false;
    }
    else
    {
      // Grab the response, compare, and send to debugging spew
      char got[10];
      radio.read( &got, 10 );

      // Spew it
      printf("Got response %s\n",got);
      return true;
    }

    // Try again 1s later
//    delay(1000);
//sleep(1);
  }

  //
  // Pong back role.  Receive each packet, dump it out, and send it back
  //

 if ( role == role_pong_back )
  {
    // if there is data ready
    if ( radio.available() )
    {
      // Dump the payloads until we've gotten everything
      unsigned long got_time = 0;
      bool done = false;
      while (!done)
      {
        // Fetch the payload, and see if this was the last one.
//        done = radio.read( &got_time, sizeof(unsigned long) );

	float celsius;
//	done = radio.read( &celsius, sizeof(float));
	char tempC[100];
	char len[2];
	std::string recievedStr;
//	int i = 0;
//	while(i<16)
//	{
//		done = radio.read( &len, 2);
//		cout << len << endl;
//		i++;
//	}
//	printf("Payload length: %s... ",len);

	int payloadSize = radio.getPayloadSize();
//	printf("Payload size: %d", payloadSize);
	done = radio.read( &tempC, payloadSize);
        cout << "Received from radio: " << tempC << endl;
        // Spew it
        printf("Got payload %s... ",tempC);
	stringstream ss;
	string received;
	ss << tempC;
	ss >> received;


//	char mark[]  = "mark,a,b";
	char *test[sizeof(strtok(tempC, ","))];
	test[0] = strtok(tempC, ",");
	for(int i = 1; i < sizeof(strtok(tempC, ",")); i++)
        {
            test[i] = strtok (NULL, ",");
//            printf ("%s\n",test[i]); // Writes "is"
        }


	cout << "App:" << test[0] << "append" << strcmp(test[0],"temp") << endl;
	if(strcmp(test[0],"temp") == 0)
	{
		printf("Got data from temperature sensor, sending to temp server\n");
		try
		{
		
			ClientSocket client_socket ( "localhost", 5656 );
			
			std::string reply;
			
			try
			{
				cout << "received: " << received << endl;
				client_socket << received;
				client_socket >> reply;
			}
			catch ( SocketException& ) {}
			
			std::cout << "We received this response from the server:\n\"" << reply << "\"\n";;
			
		}
		catch ( SocketException& e )
		{
			std::cout << "Exception was caught:" << e.description() << "\n";
		}
	}

        // Delay just a little bit to let the other unit
        // make the transition to receiver
        delay(20);
      }

      // First, stop listening so we can talk
      radio.stopListening();

      // Send the final one back.
      printf("Sent response.\n\r");
      radio.write( &got_time, sizeof(unsigned long) );

      // Now, resume listening so we catch the next packets.
      radio.startListening();
    }
Пример #5
0
int start_server(const char *url, const char *rtspport)
{
  int mediafd = -1, listenfd, tempfd, maxfd;
  int videofd;
  struct addrinfo *info;
  struct sockaddr_storage remoteaddr;
  socklen_t addrlen = sizeof remoteaddr;
  fd_set readfds, masterfds;
  struct timeval *timeout, *timeind = NULL, timenow;
  int nready, i;
  int videosize, videoleft;
  int recvd, sent;
  char urlhost[URLSIZE], urlpath[URLSIZE], tempstr[URLSIZE];
  unsigned char msgbuf[BUFSIZE], sendbuf[BUFSIZE];
  char *temp;
  unsigned char *sps = NULL, *pps = NULL;
  size_t spslen, ppslen;
  RTSPMsg rtspmsg;
  Client streamclient;
  pthread_t threadid;
  ThreadInfo *tinfo = NULL;

  uint16_t rtpseqno_video = (rand() % 1000000);
  uint16_t rtpseqno_audio = (rand() % 1000000);

  TimeoutEvent *event;

  /* The current state of the protocol */
  int mediastate = IDLE;
  int quit = 0;

  int media_downloaded = 0;

  timeout = (struct timeval *)malloc(sizeof(struct timeval));
  init_client(&streamclient);
  

  /* Open the a file where the video is to be stored */
  if ((videofd = open("videotemp.mp4", O_RDWR | O_CREAT | O_TRUNC, S_IRWXU)) < 0) {
    fatal_error("Error opening the temporary videofile");
  }

  /* Create the RTSP listening socket */
  resolve_host(NULL, rtspport, SOCK_STREAM, AI_PASSIVE, &info);
  listenfd = server_socket(info);
  maxfd = listenfd;


  FD_ZERO(&readfds);
  FD_ZERO(&masterfds);
  FD_SET(listenfd, &masterfds);

  while (!quit) {

    readfds = masterfds;

    if ((nready = Select(maxfd + 1, &readfds, timeind)) == -1) {
      printf("Select interrupted by a signal\n");
    } 

    /* Timeout handling, used for packet pacing and other timeouts */
    else if (nready == 0) {
      timeind = NULL;
      lock_mutex(&queuelock);
      if ((event = pull_event(&queue)) != NULL) {

        switch (event->type) {

	case ENDOFSTREAM:
	  printf("MEDIA FINISHED\n");
	  break;

	case FRAME:
	  /* Video frame */
	  if (event->frame->frametype == VIDEO_FRAME) {
	    rtpseqno_video += send_video_frame(sendbuf, event->frame, streamclient.videofds[0], rtpseqno_video);
	  }

	  /* Audio frame */
	  else {
            rtpseqno_audio += send_audio_frame(sendbuf, event->frame, streamclient.audiofds[0], rtpseqno_audio);
	  }

          free(event->frame->data);
          free(event->frame);
          break;

	case CHECKMEDIASTATE:
	  oma_debug_print("Checking media ready for streaming...\n");
	  if (mediastate != STREAM) {
	    printf("Sending dummy RTP\n");
	    send_dummy_rtp(sendbuf, streamclient.videofds[0], &rtpseqno_video);
	    push_timeout(&queue, 1000, CHECKMEDIASTATE);
	  }
          break;

	default:
	  oma_debug_print("ERRORENOUS EVENT TYPE!\n");
          break;
        }

        /* If there are elements left in the queue, calculate next timeout */
        if (queue.size > 0) {
          *timeout = calculate_delta(&event->time, &queue.first->time);
          timeind = timeout;
          oma_debug_print("Timeout: %ld secs, %ld usecs\n", timeout->tv_sec, timeout->tv_usec);
        }
        else {
          oma_debug_print("The first entry of the queue is NULL!\n");
        }

        if (queue.size < QUEUESIZE / 2) {
          oma_debug_print("Signaling thread to start filling the queue");
          pthread_cond_signal(&queuecond);
        }

        free(event);
      }

      unlock_mutex(&queuelock);
      continue;
    } /* End of timeout handling */

    /* Start to loop through the file descriptors */
    for (i = 0; i <= maxfd; i++) {
      if (FD_ISSET(i, &readfds)) {

        nready--;

        /* New connection from a client */
        if (i == listenfd) {
          oma_debug_print("Recieved a new RTSP connection\n");
	  fflush(stdout);
          if ((tempfd = accept(i, (struct sockaddr *)&remoteaddr, &addrlen)) == -1) {
            if (errno != EWOULDBLOCK && errno != ECONNABORTED &&
                errno != EPROTO && errno != EINTR) {
              fatal_error("accept");
            }
          }

          /* If we are already serving a client, close the new connection. Otherwise, continue. */
          if (streamclient.state != NOCLIENT) {
	    printf("Another RTSP client tried to connect. Sorry, we can only serve one client at a time\n");
	    close (tempfd);
	  }
          else {
            streamclient.rtspfd = tempfd;
            streamclient.state = CLICONNECTED;
            maxfd = max(2, streamclient.rtspfd, maxfd);
            FD_SET(streamclient.rtspfd, &masterfds);
	    }
        }

        /* Data from the media source */
        else if (i == mediafd) {

          switch (mediastate) {

            case GETSENT:
              /* Read ONLY the HTTP message from the socket and store the video size */
              recvd = recv_all(i, msgbuf, BUFSIZE, MSG_PEEK);
              temp = strstr((char *)msgbuf, "\r\n\r\n");
              recvd = recv_all(i, msgbuf, (int)(temp + 4 - (char *)msgbuf), 0);
              printf("Received HTTP response\n%s\n", msgbuf);
              temp = strstr((char *)msgbuf, "Content-Length:");
              sscanf(temp, "Content-Length: %d", &videosize);
              videoleft = videosize;
              mediastate = RECVTCP;
              break;

            case RECVTCP:
              if ((recvd = recv_all(i, msgbuf, BUFSIZE, 0)) == 0) {
                FD_CLR(i, &masterfds);
                close(i);
                oma_debug_print("Socket closed\n");
              }
              oma_debug_print("Received data from video source!\n");

              writestr(videofd, msgbuf, recvd);
              videoleft -= recvd;

              if (videoleft <= 0) {
                
		printf("Video download complete.\n");
                FD_CLR(mediafd, &masterfds);
                close(videofd);
                close(mediafd);
		media_downloaded = 1;
		printf("Media socket closed\n");

                /* Create the context and the queue filler thread parameter struct */
                tinfo = (ThreadInfo *)malloc(sizeof(ThreadInfo));
                initialize_context(&tinfo->ctx, "videotemp.mp4", &tinfo->videoIdx, &tinfo->audioIdx,
                    &tinfo->videoRate, &tinfo->audioRate, &sps, &spslen, &pps, &ppslen);

                /* Launch the queue filler thread */
                CHECK((pthread_create(&threadid, NULL, fill_queue, tinfo)) == 0);
                pthread_detach(threadid);

                /* Send the sprop-parameters before any other frames */
                send_video_frame(sendbuf, create_sprop_frame(sps, spslen, 0),
                    streamclient.videofds[0], rtpseqno_video++);
                send_video_frame(sendbuf, create_sprop_frame(pps, ppslen, 0),
                    streamclient.videofds[0], rtpseqno_video++);

                g_free(sps);
                g_free(pps);

                lock_mutex(&queuelock);
                push_timeout(&queue, 1000, CHECKMEDIASTATE);
                unlock_mutex(&queuelock);

                mediastate = STREAM;
              }
              break;

             case STREAM:
              /*
                 close(videofd);
                 close(mediafd);
                 close(listenfd);
                 quit = 1;
                 */
              break;

            default: 
              break;
          }
        }

        /* Data from a client ( i == streamclient.rtspfd) */
        else {

          oma_debug_print("Received data from rtspfd\n");
	  fflush(stdout);

          if ((recvd = recv_all(i, msgbuf, BUFSIZE, 0)) == 0) {
            FD_CLR(i, &masterfds);
            close(i);
            oma_debug_print("RTSP client closed the connection\n");
            streamclient.state = NOCLIENT;
          }
          else {
            oma_debug_print("%s", msgbuf);
            parse_rtsp(&rtspmsg, msgbuf);
          }

	  if (rtspmsg.type == TEARDOWN) {

            /* Kill thread and empty queue */         
 	    lock_mutex(&queuelock);
            pthread_cancel(threadid);
            empty_queue(&queue);
            sleep(1);
            

	    /* Reply with 200 OK */
            sent = rtsp_teardown(&rtspmsg, sendbuf);
            send_all(i, sendbuf, sent);
            FD_CLR(i, &masterfds);
            close(i);
            close(streamclient.videofds[0]);
            close(streamclient.videofds[1]);
            close(streamclient.audiofds[0]);
            close(streamclient.audiofds[1]);

            printf("Closing AVFormatContext\n");
            close_context(tinfo->ctx);
            free(tinfo);
            rtpseqno_video = (rand() % 1000000) + 7;
            rtpseqno_audio = rtpseqno_video + 9;
            init_client(&streamclient);

	    printf("Closing RTSP client sockets (RTP&RTCP)\n");
            streamclient.state = NOCLIENT;

	    unlock_mutex(&queuelock);
	    pthread_cond_signal(&queuecond);
          }

          switch (streamclient.state) {

            case CLICONNECTED:
              if (rtspmsg.type == OPTIONS) {
                sent = rtsp_options(&rtspmsg, &streamclient, sendbuf);
                send_all(i, sendbuf, sent);
              }
              else if (rtspmsg.type == DESCRIBE) {
		if (media_downloaded == 0) {
		  /* Start fetching the file from the server */
		  parse_url(url, urlhost, urlpath);
		  resolve_host(urlhost, "80", SOCK_STREAM, 0, &info);
		  mediafd = client_socket(info, 0);
		  FD_SET(mediafd, &masterfds);
		  maxfd = max(2, maxfd, mediafd);

		  /* Send the GET message */
		  http_get(url, msgbuf);
		  send_all(mediafd, msgbuf, strlen((char *)msgbuf));
		  mediastate = GETSENT;
		}
		else {
		  mediastate = STREAM;
		}

                /* Send the SDP without sprop-parameter-sets, those are sent
                 * later in-band */
                streamclient.state = SDPSENT;
                sent = rtsp_describe(&streamclient, sendbuf);
                send_all(i, sendbuf, sent);
              }
              break;

            case SDPSENT:
              if (rtspmsg.type == SETUP) {
                streamclient.setupsreceived++;

                /* Open up the needed ports and bind them locally. The RTCP ports opened here
                 * are not really used by this application. */
                write_remote_ip(tempstr, streamclient.rtspfd);
                oma_debug_print("Remote IP: %s\n", tempstr);

                if (streamclient.setupsreceived < 2) {
                  resolve_host(tempstr, rtspmsg.clirtpport, SOCK_DGRAM, 0, &info); 
                  streamclient.audiofds[0] = client_socket(info, streamclient.server_rtp_audio_port);
                  resolve_host(tempstr, rtspmsg.clirtcpport, SOCK_DGRAM, 0, &info);
                  streamclient.audiofds[1] = client_socket(info, streamclient.server_rtcp_audio_port);

                  sent = rtsp_setup(&rtspmsg, &streamclient, sendbuf,
                      streamclient.server_rtp_audio_port, streamclient.server_rtcp_audio_port);

                }
                else {
                  resolve_host(tempstr, rtspmsg.clirtpport, SOCK_DGRAM, 0, &info); 
                  streamclient.videofds[0] = client_socket(info, streamclient.server_rtp_video_port);
                  resolve_host(tempstr, rtspmsg.clirtcpport, SOCK_DGRAM, 0, &info);
                  streamclient.audiofds[1] = client_socket(info, streamclient.server_rtcp_video_port);

                  sent = rtsp_setup(&rtspmsg, &streamclient, sendbuf,
                      streamclient.server_rtp_video_port, streamclient.server_rtcp_video_port);

                streamclient.state = SETUPCOMPLETE;
                }

                oma_debug_print("Sending setup response...\n");
                send_all(i, sendbuf, sent);

              }
              break;

            case SETUPCOMPLETE:
              if (rtspmsg.type == PLAY) {

                /* Respond to the PLAY request, and start sending dummy RTP packets
                 * to disable the client timeout */
                sent = rtsp_play(&rtspmsg, sendbuf);
                send_all(i, sendbuf, sent);

		if (media_downloaded == 0) {
		 
		  lock_mutex(&queuelock);
		  push_timeout(&queue, 100, CHECKMEDIASTATE);
		  unlock_mutex(&queuelock);
		}
		/* Media has already been once downloaded, initialize context and thread */
		else {
		  tinfo = (ThreadInfo *)malloc(sizeof(ThreadInfo));
		  initialize_context(&tinfo->ctx, "videotemp.mp4", &tinfo->videoIdx, &tinfo->audioIdx,
				     &tinfo->videoRate, &tinfo->audioRate, &sps, &spslen, &pps, &ppslen);
		  /* Launch the queue filler thread */
		  CHECK((pthread_create(&threadid, NULL, fill_queue, tinfo)) == 0);
		  pthread_detach(threadid);

		  /* Send the sprop-parameters before any other frames */
		  send_video_frame(sendbuf, create_sprop_frame(sps, spslen, 0),
				   streamclient.videofds[0], rtpseqno_video++);
		  send_video_frame(sendbuf, create_sprop_frame(pps, ppslen, 0),
				   streamclient.videofds[0], rtpseqno_video++);

		  g_free(sps);
		  g_free(pps);

		  /* Dummy timeouts to start queue/timeout mechanism */
		  push_timeout(&queue, 100, CHECKMEDIASTATE);
		  push_timeout(&queue, 2000, CHECKMEDIASTATE);
		}
              }
              
              break;

            default:
              break;
          }
        }
      }

      if (nready <= 0) break;   
    }

    /* Set the timeout value again, since select will mess it up */
    
    lock_mutex(&queuelock);
    if (queue.size > 0) {
      CHECK((gettimeofday(&timenow, NULL)) == 0);
      *timeout = calculate_delta(&timenow, &queue.first->time);
      /* oma_debug_print("Delta sec: %ld, Delta usec: %ld\n", timeout->tv_sec, timeout->tv_usec); */

      if (timeout->tv_sec < 0) {
        timeout->tv_sec = 0;
        timeout->tv_usec = 0;
      }

      timeind = timeout;
    }
    else timeind = NULL;
    unlock_mutex(&queuelock);

  }


  return 1;
}
Пример #6
0
void test_ssl() {
    interface ifs[16];
    active_interfaces(ifs, 16);

    char *passwd = "password";
    char *dir = chdir_temp_dir();

    kdfp kdfp = { .N = 2, .r = 1, .p = 1};
    uint8_t kek[KEY_LEN]  = { 0 };
    struct server_cfg cfg = {
        .passwd = passwd,
        .cert   = "server.pem",
        .ifa    = &ifs[0],
    };
    pthread_t tid;

    EC_GROUP *group = EC_GROUP_new_by_curve_name(OBJ_txt2nid(EC_CURVE_NAME));
    EC_GROUP_set_asn1_flag(group, OPENSSL_EC_NAMED_CURVE);
    init_certs(group, passwd, "server.pem", "client.pem");
    init_certs(group, passwd, "zerver.pem", "zlient.pem");
    init_index("index", kek, &kdfp);
    EC_GROUP_free(group);

    assert(pthread_create(&tid, NULL, &run_server, &cfg) == 0);

    struct timeval timeout = { .tv_usec = 500 };
    uint32_t usecs = 10000;
    sockaddr6 addr;
    X509 *cert = NULL, *sert = NULL;
    EVP_PKEY *pk = NULL, *sk = NULL;
    SSL_CTX *ctx = NULL;
    SSL *ssl = NULL;
    uint8_t data[KDFP_LEN];

    // client/server cert & pk mismatch
    read_pem("client.pem", NULL, passwd, &pk, 2, &sert, &cert);
    read_pem("server.pem", NULL, passwd, &sk, 0);

    assert(client_ctx(sert, cert, sk) == NULL);
    assert(server_sock(&ctx, sert, pk, cfg.ifa, &addr) == -1);
    assert(ctx == NULL);
    cleanup(&ctx, &ssl, &sert, &cert, &sk, &pk);

    // incorrect signature on pong
    read_pem("zerver.pem", NULL, passwd, &sk, 1, &sert);
    assert(find_server(sk, &addr, usecs, 30) == false);
    cleanup(&ctx, &ssl, &sert, &cert, &sk, &pk);

    // incorrect server certificate
    read_pem("server.pem", NULL, passwd, &sk, 1, &sert);
    assert(find_server(sk, &addr, usecs, 30) == true);
    cleanup(&ctx, &ssl, &sert, &cert, &sk, &pk);

    read_pem("client.pem", NULL, passwd, &pk, 2, &sert, &cert);
    X509_free(sert);
    read_pem("zerver.pem", NULL, passwd, &sk, 1, &sert);
    ctx = client_ctx(sert, cert, pk);
    assert(client_socket(ctx, &addr, &timeout) == NULL);
    assert(ERR_GET_REASON(ERR_get_error()) == SSL_R_CERTIFICATE_VERIFY_FAILED);
    cleanup(&ctx, &ssl, &sert, &cert, &sk, &pk);

    // incorrect client certificate
    read_pem("zlient.pem", NULL, passwd, &pk, 1, &cert);
    read_pem("server.pem", NULL, passwd, &sk, 1, &sert);
    ctx = client_ctx(sert, cert, pk);
    assert(client_socket(ctx, &addr, &timeout) == NULL);
    cleanup(&ctx, &ssl, &sert, &cert, &sk, &pk);

    // valid certificates
    read_pem("client.pem", NULL, passwd, &pk, 2, &sert, &cert);
    read_pem("server.pem", NULL, passwd, &sk, 0);
    ctx = client_ctx(sert, cert, pk);
    assert((ssl = client_socket(ctx, &addr, &timeout)));
    assert(SSL_read(ssl, &data, KDFP_LEN) == KDFP_LEN);
    cleanup(&ctx, &ssl, &sert, &cert, &sk, &pk);

    pthread_kill(tid, SIGINT);
    pthread_join(tid, NULL);

    unlink("server.pem");
    unlink("client.pem");
    unlink("zerver.pem");
    unlink("zlient.pem");
    unlink("index");

    rmdir_temp_dir(dir);
}
Пример #7
0
int32_t
client_connect(bthid_server_p srv, int32_t fd)
{
	bthid_session_p	s;
	hid_device_p	d;
	int32_t		error;
	socklen_t	len;

	assert(srv != NULL);
	assert(fd >= 0);

	s = session_by_fd(srv, fd);
	assert(s != NULL);

	d = get_hid_device(&s->bdaddr);
	assert(d != NULL);

	error = 0;
	len = sizeof(error);
	if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &len) < 0) {
		syslog(LOG_ERR, "Could not get socket error for %s. %s (%d)",
			bt_ntoa(&s->bdaddr, NULL), strerror(errno), errno);
		session_close(s);
		connect_in_progress = 0;

		return (-1);
	}

	if (error != 0) {
		syslog(LOG_ERR, "Could not connect to %s. %s (%d)",
			bt_ntoa(&s->bdaddr, NULL), strerror(error), error);
		session_close(s);
		connect_in_progress = 0;

		return (0);
	}

	switch (s->state) {
	case W4CTRL: /* Control channel is open */
		assert(s->ctrl == fd);
		assert(s->intr == -1);

		/* Open interrupt channel */
		s->intr = client_socket(&s->bdaddr, d->interrupt_psm);
		if (s->intr < 0) { 
			syslog(LOG_ERR, "Could not open interrupt channel " \
				"to %s. %s (%d)", bt_ntoa(&s->bdaddr, NULL),
				strerror(errno), errno);
			session_close(s);
			connect_in_progress = 0;

			return (-1);
		}

		s->state = W4INTR;

		FD_SET(s->intr, &srv->wfdset);
		if (s->intr > srv->maxfd)
			srv->maxfd = s->intr;

		d->new_device = 0; /* reset new device flag */
		write_hids_file();
		break;

	case W4INTR: /* Interrupt channel is open */
		assert(s->ctrl != -1);
		assert(s->intr == fd);

		s->state = OPEN;
		connect_in_progress = 0;

		/* Register session's vkbd descriptor (if any) for read */
		if (s->state == OPEN && d->keyboard) {
			assert(s->vkbd != -1);

			FD_SET(s->vkbd, &srv->rfdset);
			if (s->vkbd > srv->maxfd)
				srv->maxfd = s->vkbd;
	        }
		break;

	default:
		assert(0);
		break;
	}

	/* Move fd to from the write fd set into read fd set */
	FD_CLR(fd, &srv->wfdset);
	FD_SET(fd, &srv->rfdset);

	return (0);
}
Пример #8
0
int main(int argc, char **argv)
{
	int		argval;
	bool		quiet = false;
	bool		done_license = false;
	int		sockfd;
	uint32_t	magic, needed;
	char		*line = NULL;
	ssize_t		len, size;
	char const	*file = NULL;
	char const	*name = "radiusd";
	char		*p, buffer[65536];
	char const	*input_file = NULL;
	FILE		*inputfp = stdin;
	char const	*output_file = NULL;
	char const	*server = NULL;

	char const	*radius_dir = RADIUS_DIR;
	char const	*dict_dir = DICTDIR;

	char *commands[MAX_COMMANDS];
	int num_commands = -1;

#ifndef NDEBUG
	if (fr_fault_setup(getenv("PANIC_ACTION"), argv[0]) < 0) {
		fr_perror("radmin");
		exit(EXIT_FAILURE);
	}
#endif

	talloc_set_log_stderr();

	outputfp = stdout;	/* stdout is not a constant value... */

	if ((progname = strrchr(argv[0], FR_DIR_SEP)) == NULL) {
		progname = argv[0];
	} else {
		progname++;
	}

	while ((argval = getopt(argc, argv, "d:D:hi:e:Ef:n:o:qs:S")) != EOF) {
		switch(argval) {
		case 'd':
			if (file) {
				fprintf(stderr, "%s: -d and -f cannot be used together.\n", progname);
				exit(1);
			}
			if (server) {
				fprintf(stderr, "%s: -d and -s cannot be used together.\n", progname);
				exit(1);
			}
			radius_dir = optarg;
			break;

		case 'D':
			dict_dir = optarg;
			break;

		case 'e':
			num_commands++; /* starts at -1 */
			if (num_commands >= MAX_COMMANDS) {
				fprintf(stderr, "%s: Too many '-e'\n",
					progname);
				exit(1);
			}
			commands[num_commands] = optarg;
			break;

		case 'E':
			echo = true;
			break;

		case 'f':
			radius_dir = NULL;
			file = optarg;
			break;

		default:
		case 'h':
			usage(0);
			break;

		case 'i':
			if (strcmp(optarg, "-") != 0) {
				input_file = optarg;
			}
			quiet = true;
			break;

		case 'n':
			name = optarg;
			break;

		case 'o':
			if (strcmp(optarg, "-") != 0) {
				output_file = optarg;
			}
			quiet = true;
			break;

		case 'q':
			quiet = true;
			break;

		case 's':
			if (file) {
				fprintf(stderr, "%s: -s and -f cannot be used together.\n", progname);
				usage(1);
			}
			radius_dir = NULL;
			server = optarg;
			break;

		case 'S':
			secret = NULL;
			break;
		}
	}

	/*
	 *	Mismatch between the binary and the libraries it depends on
	 */
	if (fr_check_lib_magic(RADIUSD_MAGIC_NUMBER) < 0) {
		fr_perror("radmin");
		exit(1);
	}

	if (radius_dir) {
		int rcode;
		CONF_SECTION *cs, *subcs;

		file = NULL;	/* MUST read it from the conffile now */

		snprintf(buffer, sizeof(buffer), "%s/%s.conf", radius_dir, name);

		/*
		 *	Need to read in the dictionaries, else we may get
		 *	validation errors when we try and parse the config.
		 */
		if (dict_init(dict_dir, RADIUS_DICTIONARY) < 0) {
			fr_perror("radmin");
			exit(64);
		}

		if (dict_read(radius_dir, RADIUS_DICTIONARY) == -1) {
			fr_perror("radmin");
			exit(64);
		}

		cs = cf_file_read(buffer);
		if (!cs) {
			fprintf(stderr, "%s: Errors reading or parsing %s\n", progname, buffer);
			usage(1);
		}

		subcs = NULL;
		while ((subcs = cf_subsection_find_next(cs, subcs, "listen")) != NULL) {
			char const *value;
			CONF_PAIR *cp = cf_pair_find(subcs, "type");

			if (!cp) continue;

			value = cf_pair_value(cp);
			if (!value) continue;

			if (strcmp(value, "control") != 0) continue;

			/*
			 *	Now find the socket name (sigh)
			 */
			rcode = cf_item_parse(subcs, "socket", FR_ITEM_POINTER(PW_TYPE_STRING, &file), NULL);
			if (rcode < 0) {
				fprintf(stderr, "%s: Failed parsing listen section\n", progname);
				exit(1);
			}

			if (!file) {
				fprintf(stderr, "%s: No path given for socket\n", progname);
				usage(1);
			}
			break;
		}

		if (!file) {
			fprintf(stderr, "%s: Could not find control socket in %s\n", progname, buffer);
			exit(1);
		}
	}

	if (input_file) {
		inputfp = fopen(input_file, "r");
		if (!inputfp) {
			fprintf(stderr, "%s: Failed opening %s: %s\n", progname, input_file, strerror(errno));
			exit(1);
		}
	}

	if (output_file) {
		outputfp = fopen(output_file, "w");
		if (!outputfp) {
			fprintf(stderr, "%s: Failed creating %s: %s\n", progname, output_file, strerror(errno));
			exit(1);
		}
	}

	if (!file && !server) {
		fprintf(stderr, "%s: Must use one of '-d' or '-f' or '-s'\n",
			progname);
		exit(1);
	}

	/*
	 *	Check if stdin is a TTY only if input is from stdin
	 */
	if (input_file && !quiet && !isatty(STDIN_FILENO)) quiet = true;

#ifdef USE_READLINE
	if (!quiet) {
#ifdef USE_READLINE_HISTORY
		using_history();
#endif
		rl_bind_key('\t', rl_insert);
	}
#endif

 reconnect:
	if (file) {
		/*
		 *	FIXME: Get destination from command line, if possible?
		 */
		sockfd = fr_domain_socket(file);
		if (sockfd < 0) {
			exit(1);
		}
	} else {
		sockfd = client_socket(server);
	}

	/*
	 *	Read initial magic && version information.
	 */
	for (size = 0; size < 8; size += len) {
		len = read(sockfd, buffer + size, 8 - size);
		if (len < 0) {
			fprintf(stderr, "%s: Error reading initial data from socket: %s\n",
				progname, strerror(errno));
			exit(1);
		}
	}

	memcpy(&magic, buffer, 4);
	magic = ntohl(magic);
	if (magic != 0xf7eead15) {
		fprintf(stderr, "%s: Socket %s is not FreeRADIUS administration socket\n", progname, file);
		exit(1);
	}

	memcpy(&magic, buffer + 4, 4);
	magic = ntohl(magic);

	if (!server) {
		needed = 1;
	} else {
		needed = 2;
	}

	if (magic != needed) {
		fprintf(stderr, "%s: Socket version mismatch: Need %d, got %d\n",
			progname, needed, magic);
		exit(1);
	}

	if (server && secret) do_challenge(sockfd);

	/*
	 *	Run one command.
	 */
	if (num_commands >= 0) {
		int i;

		for (i = 0; i <= num_commands; i++) {
			size = run_command(sockfd, commands[i],
					   buffer, sizeof(buffer));
			if (size < 0) exit(1);

			if (buffer[0]) {
				fputs(buffer, outputfp);
				fprintf(outputfp, "\n");
				fflush(outputfp);
			}
		}
		exit(0);
	}

	if (!done_license && !quiet) {
		printf("%s - FreeRADIUS Server administration tool.\n", radmin_version);
		printf("Copyright (C) 2008-2014 The FreeRADIUS server project and contributors.\n");
		printf("There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A\n");
		printf("PARTICULAR PURPOSE.\n");
		printf("You may redistribute copies of FreeRADIUS under the terms of the\n");
		printf("GNU General Public License v2.\n");

		done_license = true;
	}

	/*
	 *	FIXME: Do login?
	 */

	while (1) {
#ifndef USE_READLINE
		if (!quiet) {
			printf("radmin> ");
			fflush(stdout);
		}
#else
		if (!quiet) {
			line = readline("radmin> ");

			if (!line) break;

			if (!*line) {
				free(line);
				continue;
			}

#ifdef USE_READLINE_HISTORY
			add_history(line);
#endif
		} else		/* quiet, or no readline */
#endif
		{
			line = fgets(buffer, sizeof(buffer), inputfp);
			if (!line) break;

			p = strchr(buffer, '\n');
			if (!p) {
				fprintf(stderr, "%s: Input line too long\n",
					progname);
				exit(1);
			}

			*p = '\0';

			/*
			 *	Strip off leading spaces.
			 */
			for (p = line; *p != '\0'; p++) {
				if ((p[0] == ' ') ||
				    (p[0] == '\t')) {
					line = p + 1;
					continue;
				}

				if (p[0] == '#') {
					line = NULL;
					break;
				}

				break;
			}

			/*
			 *	Comments: keep going.
			 */
			if (!line) continue;

			/*
			 *	Strip off CR / LF
			 */
			for (p = line; *p != '\0'; p++) {
				if ((p[0] == '\r') ||
				    (p[0] == '\n')) {
					p[0] = '\0';
					break;
				}
			}
		}

		if (strcmp(line, "reconnect") == 0) {
			close(sockfd);
			line = NULL;
			goto reconnect;
		}

		if (memcmp(line, "secret ", 7) == 0) {
			if (!secret) {
				secret = line + 7;
				do_challenge(sockfd);
			}
			line = NULL;
			continue;
		}

		/*
		 *	Exit, done, etc.
		 */
		if ((strcmp(line, "exit") == 0) ||
		    (strcmp(line, "quit") == 0)) {
			break;
		}

		if (server && !secret) {
			fprintf(stderr, "ERROR: You must enter 'secret <SECRET>' before running any commands\n");
			line = NULL;
			continue;
		}

		size = run_command(sockfd, line, buffer, sizeof(buffer));
		if (size <= 0) break; /* error, or clean exit */

		if (size == 1) continue; /* no output. */

		fputs(buffer, outputfp);
		fflush(outputfp);
		fprintf(outputfp, "\n");
	}

	fprintf(outputfp, "\n");

	return 0;
}