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Linshizhi
ffmpeg.wasm-core
Commits
93f257db
Commit
93f257db
authored
Aug 15, 2012
by
Samuel Pitoiset
Committed by
Martin Storsjö
Aug 15, 2012
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rtmp: Automatically compute the hash for SWFVerification
Signed-off-by:
Martin Storsjö
<
martin@martin.st
>
parent
635ac8e1
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Showing
3 changed files
with
138 additions
and
1 deletion
+138
-1
protocols.texi
doc/protocols.texi
+3
-0
rtmpproto.c
libavformat/rtmpproto.c
+134
-0
version.h
libavformat/version.h
+1
-1
No files found.
doc/protocols.texi
View file @
93f257db
...
@@ -251,6 +251,9 @@ Size of the decompressed SWF file, required for SWFVerification.
...
@@ -251,6 +251,9 @@ Size of the decompressed SWF file, required for SWFVerification.
@item rtmp_swfurl
@item rtmp_swfurl
URL of the SWF player for the media. By default no value will be sent.
URL of the SWF player for the media. By default no value will be sent.
@item rtmp_swfverify
URL to player swf file, compute hash/size automatically.
@item rtmp_tcurl
@item rtmp_tcurl
URL of the target stream. Defaults to proto://host[:port]/app.
URL of the target stream. Defaults to proto://host[:port]/app.
...
...
libavformat/rtmpproto.c
View file @
93f257db
...
@@ -41,6 +41,10 @@
...
@@ -41,6 +41,10 @@
#include "rtmppkt.h"
#include "rtmppkt.h"
#include "url.h"
#include "url.h"
#if CONFIG_ZLIB
#include <zlib.h>
#endif
//#define DEBUG
//#define DEBUG
#define APP_MAX_LENGTH 128
#define APP_MAX_LENGTH 128
...
@@ -95,6 +99,7 @@ typedef struct RTMPContext {
...
@@ -95,6 +99,7 @@ typedef struct RTMPContext {
int
swfhash_len
;
///< length of the SHA256 hash
int
swfhash_len
;
///< length of the SHA256 hash
int
swfsize
;
///< size of the decompressed SWF file
int
swfsize
;
///< size of the decompressed SWF file
char
*
swfurl
;
///< url of the swf player
char
*
swfurl
;
///< url of the swf player
char
*
swfverify
;
///< URL to player swf file, compute hash/size automatically
char
swfverification
[
42
];
///< hash of the SWF verification
char
swfverification
[
42
];
///< hash of the SWF verification
char
*
pageurl
;
///< url of the web page
char
*
pageurl
;
///< url of the web page
char
*
subscribe
;
///< name of live stream to subscribe
char
*
subscribe
;
///< name of live stream to subscribe
...
@@ -825,6 +830,129 @@ static int rtmp_calc_swf_verification(URLContext *s, RTMPContext *rt,
...
@@ -825,6 +830,129 @@ static int rtmp_calc_swf_verification(URLContext *s, RTMPContext *rt,
return
0
;
return
0
;
}
}
#if CONFIG_ZLIB
static
int
rtmp_uncompress_swfplayer
(
uint8_t
*
in_data
,
int64_t
in_size
,
uint8_t
**
out_data
,
int64_t
*
out_size
)
{
z_stream
zs
=
{
0
};
void
*
ptr
;
int
size
;
int
ret
=
0
;
zs
.
avail_in
=
in_size
;
zs
.
next_in
=
in_data
;
ret
=
inflateInit
(
&
zs
);
if
(
ret
!=
Z_OK
)
return
AVERROR_UNKNOWN
;
do
{
uint8_t
tmp_buf
[
16384
];
zs
.
avail_out
=
sizeof
(
tmp_buf
);
zs
.
next_out
=
tmp_buf
;
ret
=
inflate
(
&
zs
,
Z_NO_FLUSH
);
if
(
ret
!=
Z_OK
&&
ret
!=
Z_STREAM_END
)
{
ret
=
AVERROR_UNKNOWN
;
goto
fail
;
}
size
=
sizeof
(
tmp_buf
)
-
zs
.
avail_out
;
if
(
!
(
ptr
=
av_realloc
(
*
out_data
,
*
out_size
+
size
)))
{
ret
=
AVERROR
(
ENOMEM
);
goto
fail
;
}
*
out_data
=
ptr
;
memcpy
(
*
out_data
+
*
out_size
,
tmp_buf
,
size
);
*
out_size
+=
size
;
}
while
(
zs
.
avail_out
==
0
);
fail:
inflateEnd
(
&
zs
);
return
ret
;
}
#endif
static
int
rtmp_calc_swfhash
(
URLContext
*
s
)
{
RTMPContext
*
rt
=
s
->
priv_data
;
uint8_t
*
in_data
=
NULL
,
*
out_data
=
NULL
,
*
swfdata
;
int64_t
in_size
,
out_size
;
URLContext
*
stream
;
char
swfhash
[
32
];
int
swfsize
;
int
ret
=
0
;
/* Get the SWF player file. */
if
((
ret
=
ffurl_open
(
&
stream
,
rt
->
swfverify
,
AVIO_FLAG_READ
,
&
s
->
interrupt_callback
,
NULL
))
<
0
)
{
av_log
(
s
,
AV_LOG_ERROR
,
"Cannot open connection %s.
\n
"
,
rt
->
swfverify
);
goto
fail
;
}
if
((
in_size
=
ffurl_seek
(
stream
,
0
,
AVSEEK_SIZE
))
<
0
)
{
ret
=
AVERROR
(
EIO
);
goto
fail
;
}
if
(
!
(
in_data
=
av_malloc
(
in_size
)))
{
ret
=
AVERROR
(
ENOMEM
);
goto
fail
;
}
if
((
ret
=
ffurl_read_complete
(
stream
,
in_data
,
in_size
))
<
0
)
goto
fail
;
if
(
in_size
<
3
)
{
ret
=
AVERROR_INVALIDDATA
;
goto
fail
;
}
if
(
!
memcmp
(
in_data
,
"CWS"
,
3
))
{
/* Decompress the SWF player file using Zlib. */
if
(
!
(
out_data
=
av_malloc
(
8
)))
{
ret
=
AVERROR
(
ENOMEM
);
goto
fail
;
}
*
in_data
=
'F'
;
// magic stuff
memcpy
(
out_data
,
in_data
,
8
);
out_size
=
8
;
#if CONFIG_ZLIB
if
((
ret
=
rtmp_uncompress_swfplayer
(
in_data
+
8
,
in_size
-
8
,
&
out_data
,
&
out_size
))
<
0
)
goto
fail
;
#else
av_log
(
s
,
AV_LOG_ERROR
,
"Zlib is required for decompressing the SWF player file.
\n
"
);
ret
=
AVERROR
(
EINVAL
);
goto
fail
;
#endif
swfsize
=
out_size
;
swfdata
=
out_data
;
}
else
{
swfsize
=
in_size
;
swfdata
=
in_data
;
}
/* Compute the SHA256 hash of the SWF player file. */
if
((
ret
=
ff_rtmp_calc_digest
(
swfdata
,
swfsize
,
0
,
"Genuine Adobe Flash Player 001"
,
30
,
swfhash
))
<
0
)
goto
fail
;
/* Set SWFVerification parameters. */
av_opt_set_bin
(
rt
,
"rtmp_swfhash"
,
swfhash
,
32
,
0
);
rt
->
swfsize
=
swfsize
;
fail:
av_freep
(
&
in_data
);
av_freep
(
&
out_data
);
ffurl_close
(
stream
);
return
ret
;
}
/**
/**
* Perform handshake with the server by means of exchanging pseudorandom data
* Perform handshake with the server by means of exchanging pseudorandom data
* signed with HMAC-SHA2 digest.
* signed with HMAC-SHA2 digest.
...
@@ -1492,6 +1620,11 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)
...
@@ -1492,6 +1620,11 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)
goto
fail
;
goto
fail
;
}
}
if
(
rt
->
swfverify
)
{
if
((
ret
=
rtmp_calc_swfhash
(
s
))
<
0
)
goto
fail
;
}
rt
->
state
=
STATE_START
;
rt
->
state
=
STATE_START
;
if
((
ret
=
rtmp_handshake
(
s
,
rt
))
<
0
)
if
((
ret
=
rtmp_handshake
(
s
,
rt
))
<
0
)
goto
fail
;
goto
fail
;
...
@@ -1784,6 +1917,7 @@ static const AVOption rtmp_options[] = {
...
@@ -1784,6 +1917,7 @@ static const AVOption rtmp_options[] = {
{
"rtmp_swfhash"
,
"SHA256 hash of the decompressed SWF file (32 bytes)."
,
OFFSET
(
swfhash
),
AV_OPT_TYPE_BINARY
,
.
flags
=
DEC
},
{
"rtmp_swfhash"
,
"SHA256 hash of the decompressed SWF file (32 bytes)."
,
OFFSET
(
swfhash
),
AV_OPT_TYPE_BINARY
,
.
flags
=
DEC
},
{
"rtmp_swfsize"
,
"Size of the decompressed SWF file, required for SWFVerification."
,
OFFSET
(
swfsize
),
AV_OPT_TYPE_INT
,
{
0
},
0
,
INT_MAX
,
DEC
},
{
"rtmp_swfsize"
,
"Size of the decompressed SWF file, required for SWFVerification."
,
OFFSET
(
swfsize
),
AV_OPT_TYPE_INT
,
{
0
},
0
,
INT_MAX
,
DEC
},
{
"rtmp_swfurl"
,
"URL of the SWF player. By default no value will be sent"
,
OFFSET
(
swfurl
),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
0
,
0
,
DEC
|
ENC
},
{
"rtmp_swfurl"
,
"URL of the SWF player. By default no value will be sent"
,
OFFSET
(
swfurl
),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
0
,
0
,
DEC
|
ENC
},
{
"rtmp_swfverify"
,
"URL to player swf file, compute hash/size automatically."
,
OFFSET
(
swfverify
),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
0
,
0
,
DEC
},
{
"rtmp_tcurl"
,
"URL of the target stream. Defaults to proto://host[:port]/app."
,
OFFSET
(
tcurl
),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
0
,
0
,
DEC
|
ENC
},
{
"rtmp_tcurl"
,
"URL of the target stream. Defaults to proto://host[:port]/app."
,
OFFSET
(
tcurl
),
AV_OPT_TYPE_STRING
,
{.
str
=
NULL
},
0
,
0
,
DEC
|
ENC
},
{
NULL
},
{
NULL
},
};
};
...
...
libavformat/version.h
View file @
93f257db
...
@@ -31,7 +31,7 @@
...
@@ -31,7 +31,7 @@
#define LIBAVFORMAT_VERSION_MAJOR 54
#define LIBAVFORMAT_VERSION_MAJOR 54
#define LIBAVFORMAT_VERSION_MINOR 13
#define LIBAVFORMAT_VERSION_MINOR 13
#define LIBAVFORMAT_VERSION_MICRO
3
#define LIBAVFORMAT_VERSION_MICRO
4
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
#define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
LIBAVFORMAT_VERSION_MINOR, \
LIBAVFORMAT_VERSION_MINOR, \
...
...
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