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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) Howard Chu, <hyc@highlandsun.com>
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_LIBRTMP
#include "curl_rtmp.h"
#include "urldata.h"
#include "url.h"
#include "curlx/nonblock.h" /* for curlx_nonblock */
#include "progress.h" /* for Curl_pgrsSetUploadSize */
#include "transfer.h"
#include "curlx/warnless.h"
#include <curl/curl.h>
#include <librtmp/rtmp.h>
/* The last 2 #include files should be in this order */
#include "curl_memory.h"
#include "memdebug.h"
#if defined(_WIN32) && !defined(USE_LWIPSOCK)
#define setsockopt(a,b,c,d,e) (setsockopt)(a,b,c,(const char *)d,(int)e)
#define SET_RCVTIMEO(tv,s) int tv = s*1000
#elif defined(LWIP_SO_SNDRCVTIMEO_NONSTANDARD)
#define SET_RCVTIMEO(tv,s) int tv = s*1000
#else
#define SET_RCVTIMEO(tv,s) struct timeval tv = {s,0}
#endif
#define DEF_BUFTIME (2*60*60*1000) /* 2 hours */
/* meta key for storing RTMP* at connection */
#define CURL_META_RTMP_CONN "meta:proto:rtmp:conn"
static CURLcode rtmp_setup_connection(struct Curl_easy *data,
struct connectdata *conn);
static CURLcode rtmp_do(struct Curl_easy *data, bool *done);
static CURLcode rtmp_done(struct Curl_easy *data, CURLcode, bool premature);
static CURLcode rtmp_connect(struct Curl_easy *data, bool *done);
static CURLcode rtmp_disconnect(struct Curl_easy *data,
struct connectdata *conn, bool dead);
static Curl_recv rtmp_recv;
static Curl_send rtmp_send;
/*
* RTMP protocol handler.h, based on https://rtmpdump.mplayerhq.hu
*/
const struct Curl_handler Curl_handler_rtmp = {
"rtmp", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_pollset */
ZERO_NULL, /* doing_pollset */
ZERO_NULL, /* domore_pollset */
ZERO_NULL, /* perform_pollset */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* write_resp */
ZERO_NULL, /* write_resp_hd */
ZERO_NULL, /* connection_check */
ZERO_NULL, /* attach connection */
ZERO_NULL, /* follow */
PORT_RTMP, /* defport */
CURLPROTO_RTMP, /* protocol */
CURLPROTO_RTMP, /* family */
PROTOPT_NONE /* flags */
};
const struct Curl_handler Curl_handler_rtmpt = {
"rtmpt", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_pollset */
ZERO_NULL, /* doing_pollset */
ZERO_NULL, /* domore_pollset */
ZERO_NULL, /* perform_pollset */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* write_resp */
ZERO_NULL, /* write_resp_hd */
ZERO_NULL, /* connection_check */
ZERO_NULL, /* attach connection */
ZERO_NULL, /* follow */
PORT_RTMPT, /* defport */
CURLPROTO_RTMPT, /* protocol */
CURLPROTO_RTMPT, /* family */
PROTOPT_NONE /* flags */
};
const struct Curl_handler Curl_handler_rtmpe = {
"rtmpe", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_pollset */
ZERO_NULL, /* doing_pollset */
ZERO_NULL, /* domore_pollset */
ZERO_NULL, /* perform_pollset */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* write_resp */
ZERO_NULL, /* write_resp_hd */
ZERO_NULL, /* connection_check */
ZERO_NULL, /* attach connection */
ZERO_NULL, /* follow */
PORT_RTMP, /* defport */
CURLPROTO_RTMPE, /* protocol */
CURLPROTO_RTMPE, /* family */
PROTOPT_NONE /* flags */
};
const struct Curl_handler Curl_handler_rtmpte = {
"rtmpte", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_pollset */
ZERO_NULL, /* doing_pollset */
ZERO_NULL, /* domore_pollset */
ZERO_NULL, /* perform_pollset */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* write_resp */
ZERO_NULL, /* write_resp_hd */
ZERO_NULL, /* connection_check */
ZERO_NULL, /* attach connection */
ZERO_NULL, /* follow */
PORT_RTMPT, /* defport */
CURLPROTO_RTMPTE, /* protocol */
CURLPROTO_RTMPTE, /* family */
PROTOPT_NONE /* flags */
};
const struct Curl_handler Curl_handler_rtmps = {
"rtmps", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_pollset */
ZERO_NULL, /* doing_pollset */
ZERO_NULL, /* domore_pollset */
ZERO_NULL, /* perform_pollset */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* write_resp */
ZERO_NULL, /* write_resp_hd */
ZERO_NULL, /* connection_check */
ZERO_NULL, /* attach connection */
ZERO_NULL, /* follow */
PORT_RTMPS, /* defport */
CURLPROTO_RTMPS, /* protocol */
CURLPROTO_RTMP, /* family */
PROTOPT_NONE /* flags */
};
const struct Curl_handler Curl_handler_rtmpts = {
"rtmpts", /* scheme */
rtmp_setup_connection, /* setup_connection */
rtmp_do, /* do_it */
rtmp_done, /* done */
ZERO_NULL, /* do_more */
rtmp_connect, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
ZERO_NULL, /* proto_pollset */
ZERO_NULL, /* doing_pollset */
ZERO_NULL, /* domore_pollset */
ZERO_NULL, /* perform_pollset */
rtmp_disconnect, /* disconnect */
ZERO_NULL, /* write_resp */
ZERO_NULL, /* write_resp_hd */
ZERO_NULL, /* connection_check */
ZERO_NULL, /* attach connection */
ZERO_NULL, /* follow */
PORT_RTMPS, /* defport */
CURLPROTO_RTMPTS, /* protocol */
CURLPROTO_RTMPT, /* family */
PROTOPT_NONE /* flags */
};
static void rtmp_conn_dtor(void *key, size_t klen, void *entry)
{
RTMP *r = entry;
(void)key;
(void)klen;
RTMP_Close(r);
RTMP_Free(r);
}
static CURLcode rtmp_setup_connection(struct Curl_easy *data,
struct connectdata *conn)
{
RTMP *r = RTMP_Alloc();
if(!r ||
Curl_conn_meta_set(conn, CURL_META_RTMP_CONN, r, rtmp_conn_dtor))
return CURLE_OUT_OF_MEMORY;
RTMP_Init(r);
RTMP_SetBufferMS(r, DEF_BUFTIME);
if(!RTMP_SetupURL(r, data->state.url)) {
RTMP_Free(r);
return CURLE_URL_MALFORMAT;
}
return CURLE_OK;
}
static CURLcode rtmp_connect(struct Curl_easy *data, bool *done)
{
struct connectdata *conn = data->conn;
RTMP *r = Curl_conn_meta_get(conn, CURL_META_RTMP_CONN);
SET_RCVTIMEO(tv, 10);
if(!r)
return CURLE_FAILED_INIT;
r->m_sb.sb_socket = (int)conn->sock[FIRSTSOCKET];
/* We have to know if it is a write before we send the
* connect request packet
*/
if(data->state.upload)
r->Link.protocol |= RTMP_FEATURE_WRITE;
/* For plain streams, use the buffer toggle trick to keep data flowing */
if(!(r->Link.lFlags & RTMP_LF_LIVE) &&
!(r->Link.protocol & RTMP_FEATURE_HTTP))
r->Link.lFlags |= RTMP_LF_BUFX;
(void)curlx_nonblock(r->m_sb.sb_socket, FALSE);
setsockopt(r->m_sb.sb_socket, SOL_SOCKET, SO_RCVTIMEO,
(char *)&tv, sizeof(tv));
if(!RTMP_Connect1(r, NULL))
return CURLE_FAILED_INIT;
/* Clients must send a periodic BytesReceived report to the server */
r->m_bSendCounter = TRUE;
*done = TRUE;
conn->recv[FIRSTSOCKET] = rtmp_recv;
conn->send[FIRSTSOCKET] = rtmp_send;
return CURLE_OK;
}
static CURLcode rtmp_do(struct Curl_easy *data, bool *done)
{
struct connectdata *conn = data->conn;
RTMP *r = Curl_conn_meta_get(conn, CURL_META_RTMP_CONN);
if(!r || !RTMP_ConnectStream(r, 0))
return CURLE_FAILED_INIT;
if(data->state.upload) {
Curl_pgrsSetUploadSize(data, data->state.infilesize);
Curl_xfer_setup_send(data, FIRSTSOCKET);
}
else
Curl_xfer_setup_recv(data, FIRSTSOCKET, -1);
*done = TRUE;
return CURLE_OK;
}
static CURLcode rtmp_done(struct Curl_easy *data, CURLcode status,
bool premature)
{
(void)data;
(void)status;
(void)premature;
return CURLE_OK;
}
static CURLcode rtmp_disconnect(struct Curl_easy *data,
struct connectdata *conn,
bool dead_connection)
{
RTMP *r = Curl_conn_meta_get(conn, CURL_META_RTMP_CONN);
(void)data;
(void)dead_connection;
if(r)
Curl_conn_meta_remove(conn, CURL_META_RTMP_CONN);
return CURLE_OK;
}
static CURLcode rtmp_recv(struct Curl_easy *data, int sockindex, char *buf,
size_t len, size_t *pnread)
{
struct connectdata *conn = data->conn;
RTMP *r = Curl_conn_meta_get(conn, CURL_META_RTMP_CONN);
CURLcode result = CURLE_OK;
ssize_t nread;
(void)sockindex;
*pnread = 0;
if(!r)
return CURLE_FAILED_INIT;
nread = RTMP_Read(r, buf, curlx_uztosi(len));
if(nread < 0) {
if(r->m_read.status == RTMP_READ_COMPLETE ||
r->m_read.status == RTMP_READ_EOF) {
data->req.size = data->req.bytecount;
}
else
result = CURLE_RECV_ERROR;
}
else
*pnread = (size_t)nread;
return result;
}
static CURLcode rtmp_send(struct Curl_easy *data, int sockindex,
const void *buf, size_t len, bool eos,
size_t *pnwritten)
{
struct connectdata *conn = data->conn;
RTMP *r = Curl_conn_meta_get(conn, CURL_META_RTMP_CONN);
ssize_t nwritten;
(void)sockindex;
(void)eos;
*pnwritten = 0;
if(!r)
return CURLE_FAILED_INIT;
nwritten = RTMP_Write(r, (const char *)buf, curlx_uztosi(len));
if(nwritten < 0)
return CURLE_SEND_ERROR;
*pnwritten = (size_t)nwritten;
return CURLE_OK;
}
void Curl_rtmp_version(char *version, size_t len)
{
char suff[2];
if(RTMP_LIB_VERSION & 0xff) {
suff[0] = (RTMP_LIB_VERSION & 0xff) + 'a' - 1;
suff[1] = '\0';
}
else
suff[0] = '\0';
curl_msnprintf(version, len, "librtmp/%d.%d%s",
RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff,
suff);
}
#endif /* USE_LIBRTMP */