/*************************************************************************** * _ _ ____ _ * Project ___| | | | _ \| | * / __| | | | |_) | | * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * * Copyright (C) Daniel Stenberg, , et al. * Copyright (C) Howard Chu, * * 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 "nonblock.h" /* for curlx_nonblock */ #include "progress.h" /* for Curl_pgrsSetUploadSize */ #include "transfer.h" #include "warnless.h" #include #include /* The last 3 #include files should be in this order */ #include "curl_printf.h" #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 */ 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_getsock */ ZERO_NULL, /* doing_getsock */ ZERO_NULL, /* domore_getsock */ ZERO_NULL, /* perform_getsock */ rtmp_disconnect, /* disconnect */ ZERO_NULL, /* write_resp */ ZERO_NULL, /* write_resp_hd */ ZERO_NULL, /* connection_check */ ZERO_NULL, /* attach connection */ 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_getsock */ ZERO_NULL, /* doing_getsock */ ZERO_NULL, /* domore_getsock */ ZERO_NULL, /* perform_getsock */ rtmp_disconnect, /* disconnect */ ZERO_NULL, /* write_resp */ ZERO_NULL, /* write_resp_hd */ ZERO_NULL, /* connection_check */ ZERO_NULL, /* attach connection */ 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_getsock */ ZERO_NULL, /* doing_getsock */ ZERO_NULL, /* domore_getsock */ ZERO_NULL, /* perform_getsock */ rtmp_disconnect, /* disconnect */ ZERO_NULL, /* write_resp */ ZERO_NULL, /* write_resp_hd */ ZERO_NULL, /* connection_check */ ZERO_NULL, /* attach connection */ 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_getsock */ ZERO_NULL, /* doing_getsock */ ZERO_NULL, /* domore_getsock */ ZERO_NULL, /* perform_getsock */ rtmp_disconnect, /* disconnect */ ZERO_NULL, /* write_resp */ ZERO_NULL, /* write_resp_hd */ ZERO_NULL, /* connection_check */ ZERO_NULL, /* attach connection */ 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_getsock */ ZERO_NULL, /* doing_getsock */ ZERO_NULL, /* domore_getsock */ ZERO_NULL, /* perform_getsock */ rtmp_disconnect, /* disconnect */ ZERO_NULL, /* write_resp */ ZERO_NULL, /* write_resp_hd */ ZERO_NULL, /* connection_check */ ZERO_NULL, /* attach connection */ 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_getsock */ ZERO_NULL, /* doing_getsock */ ZERO_NULL, /* domore_getsock */ ZERO_NULL, /* perform_getsock */ rtmp_disconnect, /* disconnect */ ZERO_NULL, /* write_resp */ ZERO_NULL, /* write_resp_hd */ ZERO_NULL, /* connection_check */ ZERO_NULL, /* attach connection */ PORT_RTMPS, /* defport */ CURLPROTO_RTMPTS, /* protocol */ CURLPROTO_RTMPT, /* family */ PROTOPT_NONE /* flags */ }; static CURLcode rtmp_setup_connection(struct Curl_easy *data, struct connectdata *conn) { RTMP *r = RTMP_Alloc(); if(!r) 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; } conn->proto.rtmp = r; return CURLE_OK; } static CURLcode rtmp_connect(struct Curl_easy *data, bool *done) { struct connectdata *conn = data->conn; RTMP *r = conn->proto.rtmp; SET_RCVTIMEO(tv, 10); 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 = conn->proto.rtmp; if(!RTMP_ConnectStream(r, 0)) return CURLE_FAILED_INIT; if(data->state.upload) { Curl_pgrsSetUploadSize(data, data->state.infilesize); Curl_xfer_setup1(data, CURL_XFER_SEND, -1, FALSE); } else Curl_xfer_setup1(data, CURL_XFER_RECV, -1, FALSE); *done = TRUE; return CURLE_OK; } static CURLcode rtmp_done(struct Curl_easy *data, CURLcode status, bool premature) { (void)data; /* unused */ (void)status; /* unused */ (void)premature; /* unused */ return CURLE_OK; } static CURLcode rtmp_disconnect(struct Curl_easy *data, struct connectdata *conn, bool dead_connection) { RTMP *r = conn->proto.rtmp; (void)data; (void)dead_connection; if(r) { conn->proto.rtmp = NULL; RTMP_Close(r); RTMP_Free(r); } return CURLE_OK; } static ssize_t rtmp_recv(struct Curl_easy *data, int sockindex, char *buf, size_t len, CURLcode *err) { struct connectdata *conn = data->conn; RTMP *r = conn->proto.rtmp; ssize_t nread; (void)sockindex; /* unused */ 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; nread = 0; } else *err = CURLE_RECV_ERROR; } return nread; } static ssize_t rtmp_send(struct Curl_easy *data, int sockindex, const void *buf, size_t len, CURLcode *err) { struct connectdata *conn = data->conn; RTMP *r = conn->proto.rtmp; ssize_t num; (void)sockindex; /* unused */ num = RTMP_Write(r, (char *)buf, curlx_uztosi(len)); if(num < 0) *err = CURLE_SEND_ERROR; return num; } 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'; msnprintf(version, len, "librtmp/%d.%d%s", RTMP_LIB_VERSION >> 16, (RTMP_LIB_VERSION >> 8) & 0xff, suff); } #endif /* USE_LIBRTMP */