1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 2012 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
9 * Copyright (C) 2010, Howard Chu, <hyc@highlandsun.com>
10 *
11 * This software is licensed as described in the file COPYING, which
12 * you should have received as part of this distribution. The terms
13 * are also available at https://curl.haxx.se/docs/copyright.html.
14 *
15 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
16 * copies of the Software, and permit persons to whom the Software is
17 * furnished to do so, under the terms of the COPYING file.
18 *
19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 * KIND, either express or implied.
21 *
22 ***************************************************************************/
23
24#include "curl_setup.h"
25
26#ifdef USE_LIBRTMP
27
28#include "curl_rtmp.h"
29#include "urldata.h"
30#include "nonblock.h" /* for curlx_nonblock */
31#include "progress.h" /* for Curl_pgrsSetUploadSize */
32#include "transfer.h"
33#include "warnless.h"
34#include <curl/curl.h>
35#include <librtmp/rtmp.h>
36#include "curl_memory.h"
37/* The last #include file should be: */
38#include "memdebug.h"
39
40#if defined(WIN32) && !defined(USE_LWIPSOCK)
41#define setsockopt(a,b,c,d,e) (setsockopt)(a,b,c,(const char *)d,(int)e)
42#define SET_RCVTIMEO(tv,s) int tv = s*1000
43#elif defined(LWIP_SO_SNDRCVTIMEO_NONSTANDARD)
44#define SET_RCVTIMEO(tv,s) int tv = s*1000
45#else
46#define SET_RCVTIMEO(tv,s) struct timeval tv = {s,0}
47#endif
48
49#define DEF_BUFTIME (2*60*60*1000) /* 2 hours */
50
51static CURLcode rtmp_setup_connection(struct connectdata *conn);
52static CURLcode rtmp_do(struct connectdata *conn, bool *done);
53static CURLcode rtmp_done(struct connectdata *conn, CURLcode, bool premature);
54static CURLcode rtmp_connect(struct connectdata *conn, bool *done);
55static CURLcode rtmp_disconnect(struct connectdata *conn, bool dead);
56
57static Curl_recv rtmp_recv;
58static Curl_send rtmp_send;
59
60/*
61 * RTMP protocol handler.h, based on https://rtmpdump.mplayerhq.hu
62 */
63
64const struct Curl_handler Curl_handler_rtmp = {
65 "RTMP", /* scheme */
66 rtmp_setup_connection, /* setup_connection */
67 rtmp_do, /* do_it */
68 rtmp_done, /* done */
69 ZERO_NULL, /* do_more */
70 rtmp_connect, /* connect_it */
71 ZERO_NULL, /* connecting */
72 ZERO_NULL, /* doing */
73 ZERO_NULL, /* proto_getsock */
74 ZERO_NULL, /* doing_getsock */
75 ZERO_NULL, /* domore_getsock */
76 ZERO_NULL, /* perform_getsock */
77 rtmp_disconnect, /* disconnect */
78 ZERO_NULL, /* readwrite */
79 ZERO_NULL, /* connection_check */
80 PORT_RTMP, /* defport */
81 CURLPROTO_RTMP, /* protocol */
82 PROTOPT_NONE /* flags*/
83};
84
85const struct Curl_handler Curl_handler_rtmpt = {
86 "RTMPT", /* scheme */
87 rtmp_setup_connection, /* setup_connection */
88 rtmp_do, /* do_it */
89 rtmp_done, /* done */
90 ZERO_NULL, /* do_more */
91 rtmp_connect, /* connect_it */
92 ZERO_NULL, /* connecting */
93 ZERO_NULL, /* doing */
94 ZERO_NULL, /* proto_getsock */
95 ZERO_NULL, /* doing_getsock */
96 ZERO_NULL, /* domore_getsock */
97 ZERO_NULL, /* perform_getsock */
98 rtmp_disconnect, /* disconnect */
99 ZERO_NULL, /* readwrite */
100 ZERO_NULL, /* connection_check */
101 PORT_RTMPT, /* defport */
102 CURLPROTO_RTMPT, /* protocol */
103 PROTOPT_NONE /* flags*/
104};
105
106const struct Curl_handler Curl_handler_rtmpe = {
107 "RTMPE", /* scheme */
108 rtmp_setup_connection, /* setup_connection */
109 rtmp_do, /* do_it */
110 rtmp_done, /* done */
111 ZERO_NULL, /* do_more */
112 rtmp_connect, /* connect_it */
113 ZERO_NULL, /* connecting */
114 ZERO_NULL, /* doing */
115 ZERO_NULL, /* proto_getsock */
116 ZERO_NULL, /* doing_getsock */
117 ZERO_NULL, /* domore_getsock */
118 ZERO_NULL, /* perform_getsock */
119 rtmp_disconnect, /* disconnect */
120 ZERO_NULL, /* readwrite */
121 ZERO_NULL, /* connection_check */
122 PORT_RTMP, /* defport */
123 CURLPROTO_RTMPE, /* protocol */
124 PROTOPT_NONE /* flags*/
125};
126
127const struct Curl_handler Curl_handler_rtmpte = {
128 "RTMPTE", /* scheme */
129 rtmp_setup_connection, /* setup_connection */
130 rtmp_do, /* do_it */
131 rtmp_done, /* done */
132 ZERO_NULL, /* do_more */
133 rtmp_connect, /* connect_it */
134 ZERO_NULL, /* connecting */
135 ZERO_NULL, /* doing */
136 ZERO_NULL, /* proto_getsock */
137 ZERO_NULL, /* doing_getsock */
138 ZERO_NULL, /* domore_getsock */
139 ZERO_NULL, /* perform_getsock */
140 rtmp_disconnect, /* disconnect */
141 ZERO_NULL, /* readwrite */
142 ZERO_NULL, /* connection_check */
143 PORT_RTMPT, /* defport */
144 CURLPROTO_RTMPTE, /* protocol */
145 PROTOPT_NONE /* flags*/
146};
147
148const struct Curl_handler Curl_handler_rtmps = {
149 "RTMPS", /* scheme */
150 rtmp_setup_connection, /* setup_connection */
151 rtmp_do, /* do_it */
152 rtmp_done, /* done */
153 ZERO_NULL, /* do_more */
154 rtmp_connect, /* connect_it */
155 ZERO_NULL, /* connecting */
156 ZERO_NULL, /* doing */
157 ZERO_NULL, /* proto_getsock */
158 ZERO_NULL, /* doing_getsock */
159 ZERO_NULL, /* domore_getsock */
160 ZERO_NULL, /* perform_getsock */
161 rtmp_disconnect, /* disconnect */
162 ZERO_NULL, /* readwrite */
163 ZERO_NULL, /* connection_check */
164 PORT_RTMPS, /* defport */
165 CURLPROTO_RTMPS, /* protocol */
166 PROTOPT_NONE /* flags*/
167};
168
169const struct Curl_handler Curl_handler_rtmpts = {
170 "RTMPTS", /* scheme */
171 rtmp_setup_connection, /* setup_connection */
172 rtmp_do, /* do_it */
173 rtmp_done, /* done */
174 ZERO_NULL, /* do_more */
175 rtmp_connect, /* connect_it */
176 ZERO_NULL, /* connecting */
177 ZERO_NULL, /* doing */
178 ZERO_NULL, /* proto_getsock */
179 ZERO_NULL, /* doing_getsock */
180 ZERO_NULL, /* domore_getsock */
181 ZERO_NULL, /* perform_getsock */
182 rtmp_disconnect, /* disconnect */
183 ZERO_NULL, /* readwrite */
184 ZERO_NULL, /* connection_check */
185 PORT_RTMPS, /* defport */
186 CURLPROTO_RTMPTS, /* protocol */
187 PROTOPT_NONE /* flags*/
188};
189
190static CURLcode rtmp_setup_connection(struct connectdata *conn)
191{
192 RTMP *r = RTMP_Alloc();
193 if(!r)
194 return CURLE_OUT_OF_MEMORY;
195
196 RTMP_Init(r);
197 RTMP_SetBufferMS(r, DEF_BUFTIME);
198 if(!RTMP_SetupURL(r, conn->data->change.url)) {
199 RTMP_Free(r);
200 return CURLE_URL_MALFORMAT;
201 }
202 conn->proto.rtmp = r;
203 return CURLE_OK;
204}
205
206static CURLcode rtmp_connect(struct connectdata *conn, bool *done)
207{
208 RTMP *r = conn->proto.rtmp;
209 SET_RCVTIMEO(tv, 10);
210
211 r->m_sb.sb_socket = (int)conn->sock[FIRSTSOCKET];
212
213 /* We have to know if it's a write before we send the
214 * connect request packet
215 */
216 if(conn->data->set.upload)
217 r->Link.protocol |= RTMP_FEATURE_WRITE;
218
219 /* For plain streams, use the buffer toggle trick to keep data flowing */
220 if(!(r->Link.lFlags & RTMP_LF_LIVE) &&
221 !(r->Link.protocol & RTMP_FEATURE_HTTP))
222 r->Link.lFlags |= RTMP_LF_BUFX;
223
224 (void)curlx_nonblock(r->m_sb.sb_socket, FALSE);
225 setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_RCVTIMEO,
226 (char *)&tv, sizeof(tv));
227
228 if(!RTMP_Connect1(r, NULL))
229 return CURLE_FAILED_INIT;
230
231 /* Clients must send a periodic BytesReceived report to the server */
232 r->m_bSendCounter = true;
233
234 *done = TRUE;
235 conn->recv[FIRSTSOCKET] = rtmp_recv;
236 conn->send[FIRSTSOCKET] = rtmp_send;
237 return CURLE_OK;
238}
239
240static CURLcode rtmp_do(struct connectdata *conn, bool *done)
241{
242 struct Curl_easy *data = conn->data;
243 RTMP *r = conn->proto.rtmp;
244
245 if(!RTMP_ConnectStream(r, 0))
246 return CURLE_FAILED_INIT;
247
248 if(conn->data->set.upload) {
249 Curl_pgrsSetUploadSize(data, data->state.infilesize);
250 Curl_setup_transfer(data, -1, -1, FALSE, FIRSTSOCKET);
251 }
252 else
253 Curl_setup_transfer(data, FIRSTSOCKET, -1, FALSE, -1);
254 *done = TRUE;
255 return CURLE_OK;
256}
257
258static CURLcode rtmp_done(struct connectdata *conn, CURLcode status,
259 bool premature)
260{
261 (void)conn; /* unused */
262 (void)status; /* unused */
263 (void)premature; /* unused */
264
265 return CURLE_OK;
266}
267
268static CURLcode rtmp_disconnect(struct connectdata *conn,
269 bool dead_connection)
270{
271 RTMP *r = conn->proto.rtmp;
272 (void)dead_connection;
273 if(r) {
274 conn->proto.rtmp = NULL;
275 RTMP_Close(r);
276 RTMP_Free(r);
277 }
278 return CURLE_OK;
279}
280
281static ssize_t rtmp_recv(struct connectdata *conn, int sockindex, char *buf,
282 size_t len, CURLcode *err)
283{
284 RTMP *r = conn->proto.rtmp;
285 ssize_t nread;
286
287 (void)sockindex; /* unused */
288
289 nread = RTMP_Read(r, buf, curlx_uztosi(len));
290 if(nread < 0) {
291 if(r->m_read.status == RTMP_READ_COMPLETE ||
292 r->m_read.status == RTMP_READ_EOF) {
293 conn->data->req.size = conn->data->req.bytecount;
294 nread = 0;
295 }
296 else
297 *err = CURLE_RECV_ERROR;
298 }
299 return nread;
300}
301
302static ssize_t rtmp_send(struct connectdata *conn, int sockindex,
303 const void *buf, size_t len, CURLcode *err)
304{
305 RTMP *r = conn->proto.rtmp;
306 ssize_t num;
307
308 (void)sockindex; /* unused */
309
310 num = RTMP_Write(r, (char *)buf, curlx_uztosi(len));
311 if(num < 0)
312 *err = CURLE_SEND_ERROR;
313
314 return num;
315}
316#endif /* USE_LIBRTMP */
317