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      1 /***************************************************************************
      2  *                                  _   _ ____  _
      3  *  Project                     ___| | | |  _ \| |
      4  *                             / __| | | | |_) | |
      5  *                            | (__| |_| |  _ <| |___
      6  *                             \___|\___/|_| \_\_____|
      7  *
      8  * Copyright (C) 1998 - 2013, 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 http://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 "test.h"
     23 
     24 #ifdef HAVE_NETINET_IN_H
     25 #  include <netinet/in.h>
     26 #endif
     27 #ifdef HAVE_NETDB_H
     28 #  include <netdb.h>
     29 #endif
     30 #ifdef HAVE_ARPA_INET_H
     31 #  include <arpa/inet.h>
     32 #endif
     33 #ifdef HAVE_SYS_STAT_H
     34 #  include <sys/stat.h>
     35 #endif
     36 #ifdef HAVE_FCNTL_H
     37 #  include <fcntl.h>
     38 #endif
     39 
     40 #include "warnless.h"
     41 #include "memdebug.h"
     42 
     43 #define RTP_PKT_CHANNEL(p)   ((int)((unsigned char)((p)[1])))
     44 
     45 #define RTP_PKT_LENGTH(p)  ((((int)((unsigned char)((p)[2]))) << 8) | \
     46                              ((int)((unsigned char)((p)[3]))))
     47 
     48 #define RTP_DATA_SIZE 12
     49 static const char *RTP_DATA = "$_1234\n\0asdf";
     50 
     51 static int rtp_packet_count = 0;
     52 
     53 static size_t rtp_write(void *ptr, size_t size, size_t nmemb, void *stream) {
     54   char *data = (char *)ptr;
     55   int channel = RTP_PKT_CHANNEL(data);
     56   int message_size;
     57   int coded_size = RTP_PKT_LENGTH(data);
     58   size_t failure = (size * nmemb) ? 0 : 1;
     59   int i;
     60   (void)stream;
     61 
     62   message_size = curlx_uztosi(size * nmemb) - 4;
     63 
     64   printf("RTP: message size %d, channel %d\n", message_size, channel);
     65   if(message_size != coded_size) {
     66     printf("RTP embedded size (%d) does not match the write size (%d).\n",
     67            coded_size, message_size);
     68     return failure;
     69   }
     70 
     71   data += 4;
     72   for(i = 0; i < message_size; i+= RTP_DATA_SIZE) {
     73     if(message_size - i > RTP_DATA_SIZE) {
     74       if(memcmp(RTP_DATA, data + i, RTP_DATA_SIZE) != 0) {
     75         printf("RTP PAYLOAD CORRUPTED [%s]\n", data + i);
     76         return failure;
     77       }
     78     } else {
     79       if (memcmp(RTP_DATA, data + i, message_size - i) != 0) {
     80         printf("RTP PAYLOAD END CORRUPTED (%d), [%s]\n",
     81                message_size - i, data + i);
     82         return failure;
     83       }
     84     }
     85   }
     86 
     87   rtp_packet_count++;
     88   fprintf(stderr, "packet count is %d\n", rtp_packet_count);
     89 
     90   return size * nmemb;
     91 }
     92 
     93 /* build request url */
     94 static char *suburl(const char *base, int i)
     95 {
     96   return curl_maprintf("%s%.4d", base, i);
     97 }
     98 
     99 int test(char *URL)
    100 {
    101   int res;
    102   CURL *curl;
    103   char *stream_uri = NULL;
    104   int request=1;
    105   FILE *protofile = NULL;
    106 
    107   protofile = fopen(libtest_arg2, "wb");
    108   if(protofile == NULL) {
    109     fprintf(stderr, "Couldn't open the protocol dump file\n");
    110     return TEST_ERR_MAJOR_BAD;
    111   }
    112 
    113   if (curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
    114     fprintf(stderr, "curl_global_init() failed\n");
    115     fclose(protofile);
    116     return TEST_ERR_MAJOR_BAD;
    117   }
    118 
    119   if ((curl = curl_easy_init()) == NULL) {
    120     fprintf(stderr, "curl_easy_init() failed\n");
    121     fclose(protofile);
    122     curl_global_cleanup();
    123     return TEST_ERR_MAJOR_BAD;
    124   }
    125   test_setopt(curl, CURLOPT_URL, URL);
    126 
    127   if((stream_uri = suburl(URL, request++)) == NULL) {
    128     res = TEST_ERR_MAJOR_BAD;
    129     goto test_cleanup;
    130   }
    131   test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
    132   free(stream_uri);
    133   stream_uri = NULL;
    134 
    135   test_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write);
    136   test_setopt(curl, CURLOPT_TIMEOUT, 3L);
    137   test_setopt(curl, CURLOPT_VERBOSE, 1L);
    138   test_setopt(curl, CURLOPT_WRITEDATA, protofile);
    139 
    140   test_setopt(curl, CURLOPT_RTSP_TRANSPORT, "RTP/AVP/TCP;interleaved=0-1");
    141   test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_SETUP);
    142 
    143   res = curl_easy_perform(curl);
    144   if(res)
    145     goto test_cleanup;
    146 
    147   /* This PLAY starts the interleave */
    148   if((stream_uri = suburl(URL, request++)) == NULL) {
    149     res = TEST_ERR_MAJOR_BAD;
    150     goto test_cleanup;
    151   }
    152   test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
    153   free(stream_uri);
    154   stream_uri = NULL;
    155   test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_PLAY);
    156 
    157   res = curl_easy_perform(curl);
    158   if(res)
    159     goto test_cleanup;
    160 
    161   /* The DESCRIBE request will try to consume data after the Content */
    162   if((stream_uri = suburl(URL, request++)) == NULL) {
    163     res = TEST_ERR_MAJOR_BAD;
    164     goto test_cleanup;
    165   }
    166   test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
    167   free(stream_uri);
    168   stream_uri = NULL;
    169   test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_DESCRIBE);
    170 
    171   res = curl_easy_perform(curl);
    172   if(res)
    173     goto test_cleanup;
    174 
    175   if((stream_uri = suburl(URL, request++)) == NULL) {
    176     res = TEST_ERR_MAJOR_BAD;
    177     goto test_cleanup;
    178   }
    179   test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
    180   free(stream_uri);
    181   stream_uri = NULL;
    182   test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_PLAY);
    183 
    184   res = curl_easy_perform(curl);
    185   if(res)
    186     goto test_cleanup;
    187 
    188   fprintf(stderr, "PLAY COMPLETE\n");
    189 
    190   /* Use Receive to get the rest of the data */
    191   while(!res && rtp_packet_count < 13) {
    192     fprintf(stderr, "LOOPY LOOP!\n");
    193     test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_RECEIVE);
    194     res = curl_easy_perform(curl);
    195   }
    196 
    197 test_cleanup:
    198   free(stream_uri);
    199 
    200   if(protofile)
    201     fclose(protofile);
    202 
    203   curl_easy_cleanup(curl);
    204   curl_global_cleanup();
    205 
    206   return res;
    207 }
    208 
    209