1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2021, 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.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
108 FILE *protofile = fopen(libtest_arg2, "wb");
109 if(!protofile) {
110 fprintf(stderr, "Couldn't open the protocol dump file\n");
111 return TEST_ERR_MAJOR_BAD;
112 }
113
114 if(curl_global_init(CURL_GLOBAL_ALL) != CURLE_OK) {
115 fprintf(stderr, "curl_global_init() failed\n");
116 fclose(protofile);
117 return TEST_ERR_MAJOR_BAD;
118 }
119
120 curl = curl_easy_init();
121 if(!curl) {
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 stream_uri = suburl(URL, request++);
130 if(!stream_uri) {
131 res = TEST_ERR_MAJOR_BAD;
132 goto test_cleanup;
133 }
134 test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
135 free(stream_uri);
136 stream_uri = NULL;
137
138 test_setopt(curl, CURLOPT_INTERLEAVEFUNCTION, rtp_write);
139 test_setopt(curl, CURLOPT_TIMEOUT, 3L);
140 test_setopt(curl, CURLOPT_VERBOSE, 1L);
141 test_setopt(curl, CURLOPT_WRITEDATA, protofile);
142
143 test_setopt(curl, CURLOPT_RTSP_TRANSPORT, "RTP/AVP/TCP;interleaved=0-1");
144 test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_SETUP);
145
146 res = curl_easy_perform(curl);
147 if(res)
148 goto test_cleanup;
149
150 /* This PLAY starts the interleave */
151 stream_uri = suburl(URL, request++);
152 if(!stream_uri) {
153 res = TEST_ERR_MAJOR_BAD;
154 goto test_cleanup;
155 }
156 test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
157 free(stream_uri);
158 stream_uri = NULL;
159 test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_PLAY);
160
161 res = curl_easy_perform(curl);
162 if(res)
163 goto test_cleanup;
164
165 /* The DESCRIBE request will try to consume data after the Content */
166 stream_uri = suburl(URL, request++);
167 if(!stream_uri) {
168 res = TEST_ERR_MAJOR_BAD;
169 goto test_cleanup;
170 }
171 test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
172 free(stream_uri);
173 stream_uri = NULL;
174 test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_DESCRIBE);
175
176 res = curl_easy_perform(curl);
177 if(res)
178 goto test_cleanup;
179
180 stream_uri = suburl(URL, request++);
181 if(!stream_uri) {
182 res = TEST_ERR_MAJOR_BAD;
183 goto test_cleanup;
184 }
185 test_setopt(curl, CURLOPT_RTSP_STREAM_URI, stream_uri);
186 free(stream_uri);
187 stream_uri = NULL;
188 test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_PLAY);
189
190 res = curl_easy_perform(curl);
191 if(res)
192 goto test_cleanup;
193
194 fprintf(stderr, "PLAY COMPLETE\n");
195
196 /* Use Receive to get the rest of the data */
197 while(!res && rtp_packet_count < 13) {
198 fprintf(stderr, "LOOPY LOOP!\n");
199 test_setopt(curl, CURLOPT_RTSP_REQUEST, CURL_RTSPREQ_RECEIVE);
200 res = curl_easy_perform(curl);
201 }
202
203 test_cleanup:
204 free(stream_uri);
205
206 if(protofile)
207 fclose(protofile);
208
209 curl_easy_cleanup(curl);
210 curl_global_cleanup();
211
212 return res;
213 }
214