The rtmpcrypt protocol requires it.tags/n4.0
@@ -386,7 +386,7 @@ OBJS-$(CONFIG_LIBRTMP) += librtmp.o | |||
OBJS-$(CONFIG_APPLEHTTP_PROTOCOL) += hlsproto.o | |||
OBJS-$(CONFIG_CONCAT_PROTOCOL) += concat.o | |||
OBJS-$(CONFIG_CRYPTO_PROTOCOL) += crypto.o | |||
OBJS-$(CONFIG_FFRTMPCRYPT_PROTOCOL) += rtmpcrypt.o rtmpdh.o | |||
OBJS-$(CONFIG_FFRTMPCRYPT_PROTOCOL) += rtmpcrypt.o rtmpdigest.o rtmpdh.o | |||
OBJS-$(CONFIG_FFRTMPHTTP_PROTOCOL) += rtmphttp.o | |||
OBJS-$(CONFIG_FILE_PROTOCOL) += file.o | |||
OBJS-$(CONFIG_GOPHER_PROTOCOL) += gopher.o | |||
@@ -399,12 +399,12 @@ OBJS-$(CONFIG_MD5_PROTOCOL) += md5proto.o | |||
OBJS-$(CONFIG_MMSH_PROTOCOL) += mmsh.o mms.o asf.o | |||
OBJS-$(CONFIG_MMST_PROTOCOL) += mmst.o mms.o asf.o | |||
OBJS-$(CONFIG_PIPE_PROTOCOL) += file.o | |||
OBJS-$(CONFIG_RTMP_PROTOCOL) += rtmpproto.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPE_PROTOCOL) += rtmpproto.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPS_PROTOCOL) += rtmpproto.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPT_PROTOCOL) += rtmpproto.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPTE_PROTOCOL) += rtmpproto.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPTS_PROTOCOL) += rtmpproto.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMP_PROTOCOL) += rtmpproto.o rtmpdigest.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPE_PROTOCOL) += rtmpproto.o rtmpdigest.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPS_PROTOCOL) += rtmpproto.o rtmpdigest.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPT_PROTOCOL) += rtmpproto.o rtmpdigest.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPTE_PROTOCOL) += rtmpproto.o rtmpdigest.o rtmppkt.o | |||
OBJS-$(CONFIG_RTMPTS_PROTOCOL) += rtmpproto.o rtmpdigest.o rtmppkt.o | |||
OBJS-$(CONFIG_RTP_PROTOCOL) += rtpproto.o | |||
OBJS-$(CONFIG_SCTP_PROTOCOL) += sctp.o | |||
OBJS-$(CONFIG_SRTP_PROTOCOL) += srtpproto.o srtp.o | |||
@@ -0,0 +1,67 @@ | |||
/* | |||
* RTMP network protocol | |||
* Copyright (c) 2009 Konstantin Shishkov | |||
* | |||
* This file is part of Libav. | |||
* | |||
* Libav is free software; you can redistribute it and/or | |||
* modify it under the terms of the GNU Lesser General Public | |||
* License as published by the Free Software Foundation; either | |||
* version 2.1 of the License, or (at your option) any later version. | |||
* | |||
* Libav is distributed in the hope that it will be useful, | |||
* but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |||
* Lesser General Public License for more details. | |||
* | |||
* You should have received a copy of the GNU Lesser General Public | |||
* License along with Libav; if not, write to the Free Software | |||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |||
*/ | |||
/** | |||
* @file | |||
* RTMP protocol digest | |||
*/ | |||
#include <stdint.h> | |||
#include "libavutil/error.h" | |||
#include "libavutil/hmac.h" | |||
#include "rtmp.h" | |||
int ff_rtmp_calc_digest(const uint8_t *src, int len, int gap, | |||
const uint8_t *key, int keylen, uint8_t *dst) | |||
{ | |||
AVHMAC *hmac; | |||
hmac = av_hmac_alloc(AV_HMAC_SHA256); | |||
if (!hmac) | |||
return AVERROR(ENOMEM); | |||
av_hmac_init(hmac, key, keylen); | |||
if (gap <= 0) { | |||
av_hmac_update(hmac, src, len); | |||
} else { //skip 32 bytes used for storing digest | |||
av_hmac_update(hmac, src, gap); | |||
av_hmac_update(hmac, src + gap + 32, len - gap - 32); | |||
} | |||
av_hmac_final(hmac, dst, 32); | |||
av_hmac_free(hmac); | |||
return 0; | |||
} | |||
int ff_rtmp_calc_digest_pos(const uint8_t *buf, int off, int mod_val, | |||
int add_val) | |||
{ | |||
int i, digest_pos = 0; | |||
for (i = 0; i < 4; i++) | |||
digest_pos += buf[i + off]; | |||
digest_pos = digest_pos % mod_val + add_val; | |||
return digest_pos; | |||
} |
@@ -27,7 +27,6 @@ | |||
#include "libavcodec/bytestream.h" | |||
#include "libavutil/avstring.h" | |||
#include "libavutil/base64.h" | |||
#include "libavutil/hmac.h" | |||
#include "libavutil/intfloat.h" | |||
#include "libavutil/lfg.h" | |||
#include "libavutil/md5.h" | |||
@@ -957,41 +956,6 @@ static int gen_fcsubscribe_stream(URLContext *s, RTMPContext *rt, | |||
return rtmp_send_packet(rt, &pkt, 1); | |||
} | |||
int ff_rtmp_calc_digest(const uint8_t *src, int len, int gap, | |||
const uint8_t *key, int keylen, uint8_t *dst) | |||
{ | |||
AVHMAC *hmac; | |||
hmac = av_hmac_alloc(AV_HMAC_SHA256); | |||
if (!hmac) | |||
return AVERROR(ENOMEM); | |||
av_hmac_init(hmac, key, keylen); | |||
if (gap <= 0) { | |||
av_hmac_update(hmac, src, len); | |||
} else { //skip 32 bytes used for storing digest | |||
av_hmac_update(hmac, src, gap); | |||
av_hmac_update(hmac, src + gap + 32, len - gap - 32); | |||
} | |||
av_hmac_final(hmac, dst, 32); | |||
av_hmac_free(hmac); | |||
return 0; | |||
} | |||
int ff_rtmp_calc_digest_pos(const uint8_t *buf, int off, int mod_val, | |||
int add_val) | |||
{ | |||
int i, digest_pos = 0; | |||
for (i = 0; i < 4; i++) | |||
digest_pos += buf[i + off]; | |||
digest_pos = digest_pos % mod_val + add_val; | |||
return digest_pos; | |||
} | |||
/** | |||
* Put HMAC-SHA2 digest of packet data (except for the bytes where this digest | |||
* will be stored) into that packet. | |||