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1 /***************************************************************************
2  *                                  _   _ ____  _
3  *  Project                     ___| | | |  _ \| |
4  *                             / __| | | | |_) | |
5  *                            | (__| |_| |  _ <| |___
6  *                             \___|\___/|_| \_\_____|
7  *
8  * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@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 "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 
rtp_write(void * ptr,size_t size,size_t nmemb,void * stream)53 static size_t rtp_write(void *ptr, size_t size, size_t nmemb, void *stream)
54 {
55   char *data = (char *)ptr;
56   int channel = RTP_PKT_CHANNEL(data);
57   int message_size;
58   int coded_size = RTP_PKT_LENGTH(data);
59   size_t failure = (size * nmemb) ? 0 : 1;
60   int i;
61   (void)stream;
62 
63   message_size = curlx_uztosi(size * nmemb) - 4;
64 
65   printf("RTP: message size %d, channel %d\n", message_size, channel);
66   if(message_size != coded_size) {
67     printf("RTP embedded size (%d) does not match the write size (%d).\n",
68            coded_size, message_size);
69     return failure;
70   }
71 
72   data += 4;
73   for(i = 0; i < message_size; i+= RTP_DATA_SIZE) {
74     if(message_size - i > RTP_DATA_SIZE) {
75       if(memcmp(RTP_DATA, data + i, RTP_DATA_SIZE) != 0) {
76         printf("RTP PAYLOAD CORRUPTED [%s]\n", data + i);
77         return failure;
78       }
79     }
80     else {
81       if(memcmp(RTP_DATA, data + i, message_size - i) != 0) {
82         printf("RTP PAYLOAD END CORRUPTED (%d), [%s]\n",
83                message_size - i, data + i);
84         return failure;
85       }
86     }
87   }
88 
89   rtp_packet_count++;
90   fprintf(stderr, "packet count is %d\n", rtp_packet_count);
91 
92   return size * nmemb;
93 }
94 
95 /* build request url */
suburl(const char * base,int i)96 static char *suburl(const char *base, int i)
97 {
98   return curl_maprintf("%s%.4d", base, i);
99 }
100 
test(char * URL)101 int test(char *URL)
102 {
103   int res;
104   CURL *curl;
105   char *stream_uri = NULL;
106   int request=1;
107   FILE *protofile = NULL;
108 
109   protofile = fopen(libtest_arg2, "wb");
110   if(protofile == NULL) {
111     fprintf(stderr, "Couldn't open the protocol dump file\n");
112     return TEST_ERR_MAJOR_BAD;
113   }
114 
115   if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
116     fprintf(stderr, "curl_global_init() failed\n");
117     fclose(protofile);
118     return TEST_ERR_MAJOR_BAD;
119   }
120 
121   if((curl = curl_easy_init()) == NULL) {
122     fprintf(stderr, "curl_easy_init() failed\n");
123     fclose(protofile);
124     curl_global_cleanup();
125     return TEST_ERR_MAJOR_BAD;
126   }
127   test_setopt(curl, CURLOPT_URL, URL);
128 
129   if((stream_uri = suburl(URL, request++)) == NULL) {
130     res = TEST_ERR_MAJOR_BAD;
131     goto test_cleanup;
132   }
133   test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
134   free(stream_uri);
135   stream_uri = NULL;
136 
137   test_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write);
138   test_setopt(curl, CURLOPT_TIMEOUT, 3L);
139   test_setopt(curl, CURLOPT_VERBOSE, 1L);
140   test_setopt(curl, CURLOPT_WRITEDATA, protofile);
141 
142   test_setopt(curl, CURLOPT_RTSP_TRANSPORT, "RTP/AVP/TCP;interleaved=0-1");
143   test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_SETUP);
144 
145   res = curl_easy_perform(curl);
146   if(res)
147     goto test_cleanup;
148 
149   /* This PLAY starts the interleave */
150   if((stream_uri = suburl(URL, request++)) == NULL) {
151     res = TEST_ERR_MAJOR_BAD;
152     goto test_cleanup;
153   }
154   test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
155   free(stream_uri);
156   stream_uri = NULL;
157   test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_PLAY);
158 
159   res = curl_easy_perform(curl);
160   if(res)
161     goto test_cleanup;
162 
163   /* The DESCRIBE request will try to consume data after the Content */
164   if((stream_uri = suburl(URL, request++)) == NULL) {
165     res = TEST_ERR_MAJOR_BAD;
166     goto test_cleanup;
167   }
168   test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
169   free(stream_uri);
170   stream_uri = NULL;
171   test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_DESCRIBE);
172 
173   res = curl_easy_perform(curl);
174   if(res)
175     goto test_cleanup;
176 
177   if((stream_uri = suburl(URL, request++)) == NULL) {
178     res = TEST_ERR_MAJOR_BAD;
179     goto test_cleanup;
180   }
181   test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
182   free(stream_uri);
183   stream_uri = NULL;
184   test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_PLAY);
185 
186   res = curl_easy_perform(curl);
187   if(res)
188     goto test_cleanup;
189 
190   fprintf(stderr, "PLAY COMPLETE\n");
191 
192   /* Use Receive to get the rest of the data */
193   while(!res && rtp_packet_count < 13) {
194     fprintf(stderr, "LOOPY LOOP!\n");
195     test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_RECEIVE);
196     res = curl_easy_perform(curl);
197   }
198 
199 test_cleanup:
200   free(stream_uri);
201 
202   if(protofile)
203     fclose(protofile);
204 
205   curl_easy_cleanup(curl);
206   curl_global_cleanup();
207 
208   return res;
209 }
210 
211