From: <wt...@ke...> - 2007-07-27 16:40:10
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CVS Root: /cvs/gstreamer Module: gst-plugins-ugly Changes by: wtay Date: Fri Jul 27 2007 16:39:59 UTC Log message: * gst/realmedia/Makefile.am: * gst/realmedia/realhash.c: (hash), (call_hash), (gst_rtsp_ext_real_calc_response_and_checksum): * gst/realmedia/realhash.h: * gst/realmedia/rtspreal.c: (rtsp_ext_real_get_transports), (rtsp_ext_real_after_send), (rtsp_ext_real_stream_select): Split out hash code in separate file. Modified files: . : ChangeLog gst/realmedia : Makefile.am rtspreal.c Added files: gst/realmedia : realhash.c realhash.h Links: http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-ugly/ChangeLog.diff?r1=1.2247&r2=1.2248 http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-ugly/gst/realmedia/Makefile.am.diff?r1=1.11&r2=1.12 http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-ugly/gst/realmedia/realhash.c?rev=1.1&content-type=text/vnd.viewcvs-markup http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-ugly/gst/realmedia/realhash.h?rev=1.1&content-type=text/vnd.viewcvs-markup http://freedesktop.org/cgi-bin/viewcvs.cgi/gstreamer/gst-plugins-ugly/gst/realmedia/rtspreal.c.diff?r1=1.2&r2=1.3 ====Begin Diffs==== Index: ChangeLog =================================================================== RCS file: /cvs/gstreamer/gst-plugins-ugly/ChangeLog,v retrieving revision 1.2247 retrieving revision 1.2248 diff -u -d -r1.2247 -r1.2248 --- ChangeLog 27 Jul 2007 10:12:55 -0000 1.2247 +++ ChangeLog 27 Jul 2007 16:39:44 -0000 1.2248 @@ -1,5 +1,15 @@ 2007-07-27 Wim Taymans <wim...@gm...> + * gst/realmedia/Makefile.am: + * gst/realmedia/realhash.c: (hash), (call_hash), + (gst_rtsp_ext_real_calc_response_and_checksum): + * gst/realmedia/realhash.h: + * gst/realmedia/rtspreal.c: (rtsp_ext_real_get_transports), + (rtsp_ext_real_after_send), (rtsp_ext_real_stream_select): + Split out hash code in separate file. + +2007-07-27 Wim Taymans <wim...@gm...> * gst/asfdemux/Makefile.am: * gst/asfdemux/gstrtspwms.c: (gst_rtsp_wms_parse_sdp), (_do_init), (gst_rtsp_wms_class_init): Index: Makefile.am RCS file: /cvs/gstreamer/gst-plugins-ugly/gst/realmedia/Makefile.am,v retrieving revision 1.11 retrieving revision 1.12 diff -u -d -r1.11 -r1.12 --- Makefile.am 27 Jul 2007 10:12:55 -0000 1.11 +++ Makefile.am 27 Jul 2007 16:39:44 -0000 1.12 @@ -1,10 +1,10 @@ plugin_LTLIBRARIES = libgstrmdemux.la -libgstrmdemux_la_SOURCES = rademux.c rmdemux.c rmutils.c rdtdepay.c rtspreal.c +libgstrmdemux_la_SOURCES = rademux.c rmdemux.c rmutils.c rdtdepay.c rtspreal.c realhash.c libgstrmdemux_la_CFLAGS = $(GST_CFLAGS) $(GST_PLUGINS_BASE_CFLAGS) $(GST_BASE_CFLAGS) libgstrmdemux_la_LIBADD = $(GST_PLUGINS_BASE_LIBS) $(GST_BASE_LIBS) $(GST_LIBS)\ -lgstrtsp-@GST_MAJORMINOR@ -lgstsdp-@GST_MAJORMINOR@ libgstrmdemux_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS) -noinst_HEADERS = rademux.h rmdemux.h rmutils.h rdtdepay.h rtspreal.h +noinst_HEADERS = rademux.h rmdemux.h rmutils.h rdtdepay.h rtspreal.h realhash.h --- NEW FILE: realhash.c --- /* GStreamer * Copyright (C) <2005,2006> Wim Taymans <wi...@fl...> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * This library 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 * Library General Public License for more details. * You should have received a copy of the GNU Library General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ /* Element-Checklist-Version: 5 */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include <stdint.h> #include <string.h> #include <gst/gst.h> #include "realhash.h" void rtsp_ext_real_calc_response_and_checksum (char *response, char *chksum, char *challenge); /* * The following code has been copied from * xine-lib-1.1.1/src/input/libreal/real.c. #if G_BYTE_ORDER == G_LITTLE_ENDIAN #define be2me_32(x) GUINT32_SWAP_LE_BE(x) #define le2me_32(x) (x) #else #define le2me_32(x) GUINT32_SWAP_LE_BE(x) #define be2me_32(x) (x) #define ALE_32(x) (le2me_32(*(uint32_t*)(x))) #define LE_32(x) ALE_32(x) static const unsigned char xor_table[] = { 0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53, 0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70, 0x08, 0x27, 0x66, 0x10, 0x10, 0x72, 0x08, 0x09, 0x63, 0x11, 0x03, 0x71, 0x08, 0x08, 0x70, 0x02, 0x10, 0x57, 0x05, 0x18, 0x54, 0x00, 0x00, 0x00 }; #define BE_32C(x,y) do { *(uint32_t *)(x) = be2me_32((y)); } while(0) #define LE_32C(x,y) do { *(uint32_t *)(x) = le2me_32((y)); } while(0) static void hash (char *field, char *param) { uint32_t a, b, c, d; /* fill variables */ a = LE_32 (field); b = LE_32 (field + 4); c = LE_32 (field + 8); d = LE_32 (field + 12); a = ((b & c) | (~b & d)) + LE_32 ((param + 0x00)) + a - 0x28955B88; a = ((a << 0x07) | (a >> 0x19)) + b; d = ((a & b) | (~a & c)) + LE_32 ((param + 0x04)) + d - 0x173848AA; d = ((d << 0x0c) | (d >> 0x14)) + a; c = ((d & a) | (~d & b)) + LE_32 ((param + 0x08)) + c + 0x242070DB; c = ((c << 0x11) | (c >> 0x0f)) + d; b = ((c & d) | (~c & a)) + LE_32 ((param + 0x0c)) + b - 0x3E423112; b = ((b << 0x16) | (b >> 0x0a)) + c; a = ((b & c) | (~b & d)) + LE_32 ((param + 0x10)) + a - 0x0A83F051; d = ((a & b) | (~a & c)) + LE_32 ((param + 0x14)) + d + 0x4787C62A; c = ((d & a) | (~d & b)) + LE_32 ((param + 0x18)) + c - 0x57CFB9ED; b = ((c & d) | (~c & a)) + LE_32 ((param + 0x1c)) + b - 0x02B96AFF; a = ((b & c) | (~b & d)) + LE_32 ((param + 0x20)) + a + 0x698098D8; d = ((a & b) | (~a & c)) + LE_32 ((param + 0x24)) + d - 0x74BB0851; c = ((d & a) | (~d & b)) + LE_32 ((param + 0x28)) + c - 0x0000A44F; b = ((c & d) | (~c & a)) + LE_32 ((param + 0x2C)) + b - 0x76A32842; a = ((b & c) | (~b & d)) + LE_32 ((param + 0x30)) + a + 0x6B901122; d = ((a & b) | (~a & c)) + LE_32 ((param + 0x34)) + d - 0x02678E6D; c = ((d & a) | (~d & b)) + LE_32 ((param + 0x38)) + c - 0x5986BC72; b = ((c & d) | (~c & a)) + LE_32 ((param + 0x3c)) + b + 0x49B40821; a = ((b & d) | (~d & c)) + LE_32 ((param + 0x04)) + a - 0x09E1DA9E; a = ((a << 0x05) | (a >> 0x1b)) + b; d = ((a & c) | (~c & b)) + LE_32 ((param + 0x18)) + d - 0x3FBF4CC0; d = ((d << 0x09) | (d >> 0x17)) + a; c = ((d & b) | (~b & a)) + LE_32 ((param + 0x2c)) + c + 0x265E5A51; c = ((c << 0x0e) | (c >> 0x12)) + d; b = ((c & a) | (~a & d)) + LE_32 ((param + 0x00)) + b - 0x16493856; b = ((b << 0x14) | (b >> 0x0c)) + c; a = ((b & d) | (~d & c)) + LE_32 ((param + 0x14)) + a - 0x29D0EFA3; d = ((a & c) | (~c & b)) + LE_32 ((param + 0x28)) + d + 0x02441453; c = ((d & b) | (~b & a)) + LE_32 ((param + 0x3c)) + c - 0x275E197F; b = ((c & a) | (~a & d)) + LE_32 ((param + 0x10)) + b - 0x182C0438; a = ((b & d) | (~d & c)) + LE_32 ((param + 0x24)) + a + 0x21E1CDE6; d = ((a & c) | (~c & b)) + LE_32 ((param + 0x38)) + d - 0x3CC8F82A; c = ((d & b) | (~b & a)) + LE_32 ((param + 0x0c)) + c - 0x0B2AF279; b = ((c & a) | (~a & d)) + LE_32 ((param + 0x20)) + b + 0x455A14ED; a = ((b & d) | (~d & c)) + LE_32 ((param + 0x34)) + a - 0x561C16FB; d = ((a & c) | (~c & b)) + LE_32 ((param + 0x08)) + d - 0x03105C08; c = ((d & b) | (~b & a)) + LE_32 ((param + 0x1c)) + c + 0x676F02D9; b = ((c & a) | (~a & d)) + LE_32 ((param + 0x30)) + b - 0x72D5B376; a = (b ^ c ^ d) + LE_32 ((param + 0x14)) + a - 0x0005C6BE; a = ((a << 0x04) | (a >> 0x1c)) + b; d = (a ^ b ^ c) + LE_32 ((param + 0x20)) + d - 0x788E097F; d = ((d << 0x0b) | (d >> 0x15)) + a; c = (d ^ a ^ b) + LE_32 ((param + 0x2c)) + c + 0x6D9D6122; c = ((c << 0x10) | (c >> 0x10)) + d; b = (c ^ d ^ a) + LE_32 ((param + 0x38)) + b - 0x021AC7F4; b = ((b << 0x17) | (b >> 0x09)) + c; a = (b ^ c ^ d) + LE_32 ((param + 0x04)) + a - 0x5B4115BC; d = (a ^ b ^ c) + LE_32 ((param + 0x10)) + d + 0x4BDECFA9; c = (d ^ a ^ b) + LE_32 ((param + 0x1c)) + c - 0x0944B4A0; b = (c ^ d ^ a) + LE_32 ((param + 0x28)) + b - 0x41404390; a = (b ^ c ^ d) + LE_32 ((param + 0x34)) + a + 0x289B7EC6; d = (a ^ b ^ c) + LE_32 ((param + 0x00)) + d - 0x155ED806; c = (d ^ a ^ b) + LE_32 ((param + 0x0c)) + c - 0x2B10CF7B; b = (c ^ d ^ a) + LE_32 ((param + 0x18)) + b + 0x04881D05; a = (b ^ c ^ d) + LE_32 ((param + 0x24)) + a - 0x262B2FC7; d = (a ^ b ^ c) + LE_32 ((param + 0x30)) + d - 0x1924661B; c = (d ^ a ^ b) + LE_32 ((param + 0x3c)) + c + 0x1fa27cf8; b = (c ^ d ^ a) + LE_32 ((param + 0x08)) + b - 0x3B53A99B; a = ((~d | b) ^ c) + LE_32 ((param + 0x00)) + a - 0x0BD6DDBC; a = ((a << 0x06) | (a >> 0x1a)) + b; d = ((~c | a) ^ b) + LE_32 ((param + 0x1c)) + d + 0x432AFF97; d = ((d << 0x0a) | (d >> 0x16)) + a; c = ((~b | d) ^ a) + LE_32 ((param + 0x38)) + c - 0x546BDC59; c = ((c << 0x0f) | (c >> 0x11)) + d; b = ((~a | c) ^ d) + LE_32 ((param + 0x14)) + b - 0x036C5FC7; b = ((b << 0x15) | (b >> 0x0b)) + c; a = ((~d | b) ^ c) + LE_32 ((param + 0x30)) + a + 0x655B59C3; d = ((~c | a) ^ b) + LE_32 ((param + 0x0C)) + d - 0x70F3336E; c = ((~b | d) ^ a) + LE_32 ((param + 0x28)) + c - 0x00100B83; b = ((~a | c) ^ d) + LE_32 ((param + 0x04)) + b - 0x7A7BA22F; a = ((~d | b) ^ c) + LE_32 ((param + 0x20)) + a + 0x6FA87E4F; d = ((~c | a) ^ b) + LE_32 ((param + 0x3c)) + d - 0x01D31920; c = ((~b | d) ^ a) + LE_32 ((param + 0x18)) + c - 0x5CFEBCEC; b = ((~a | c) ^ d) + LE_32 ((param + 0x34)) + b + 0x4E0811A1; a = ((~d | b) ^ c) + LE_32 ((param + 0x10)) + a - 0x08AC817E; d = ((~c | a) ^ b) + LE_32 ((param + 0x2c)) + d - 0x42C50DCB; c = ((~b | d) ^ a) + LE_32 ((param + 0x08)) + c + 0x2AD7D2BB; b = ((~a | c) ^ d) + LE_32 ((param + 0x24)) + b - 0x14792C6F; a += LE_32 (field); b += LE_32 (field + 4); c += LE_32 (field + 8); d += LE_32 (field + 12); LE_32C (field, a); LE_32C (field + 4, b); LE_32C (field + 8, c); LE_32C (field + 12, d); } call_hash (char *key, char *challenge, int len) uint8_t *ptr1, *ptr2; uint32_t a, b, c, d, tmp; ptr1 = (uint8_t *) (key + 16); ptr2 = (uint8_t *) (key + 20); a = LE_32 (ptr1); b = (a >> 3) & 0x3f; a += len * 8; LE_32C (ptr1, a); if (a < (len << 3)) ptr2 += 4; tmp = LE_32 (ptr2) + (len >> 0x1d); LE_32C (ptr2, tmp); a = 64 - b; c = 0; if (a <= len) { memcpy (key + b + 24, challenge, a); hash (key, key + 24); c = a; d = c + 0x3f; while (d < len) { hash (key, challenge + d - 0x3f); d += 64; c += 64; } b = 0; } memcpy (key + b + 24, challenge + c, len - c); void gst_rtsp_ext_real_calc_response_and_checksum (char *response, char *chksum, char *challenge) int ch_len, table_len, resp_len; int i; char *ptr; char buf[128]; char field[128]; char zres[20]; char buf1[128]; char buf2[128]; /* initialize return values */ memset (response, 0, 64); memset (chksum, 0, 34); /* initialize buffer */ memset (buf, 0, 128); ptr = buf; BE_32C (ptr, 0xa1e9149d); ptr += 4; BE_32C (ptr, 0x0e6b3b59); if ((ch_len = MIN (strlen (challenge), 56)) == 40) { challenge[32] = 0; ch_len = 32; memcpy (ptr, challenge, ch_len); /* xor challenge bytewise with xor_table */ table_len = MIN (strlen ((char *) xor_table), 56); for (i = 0; i < table_len; i++) ptr[i] = ptr[i] ^ xor_table[i]; /* initialize our field */ BE_32C (field, 0x01234567); BE_32C (field + 4, 0x89ABCDEF); BE_32C (field + 8, 0xFEDCBA98); BE_32C (field + 12, 0x76543210); BE_32C (field + 16, 0x00000000); BE_32C (field + 20, 0x00000000); /* calculate response */ call_hash (field, buf, 64); memset (buf1, 0, 64); *buf1 = 128; memcpy (buf2, field + 16, 8); i = (LE_32 ((buf2)) >> 3) & 0x3f; if (i < 56) i = 56 - i; else i = 120 - i; call_hash (field, buf1, i); call_hash (field, buf2, 8); memcpy (zres, field, 16); /* convert zres to ascii string */ for (i = 0; i < 16; i++) { char a, b; a = (zres[i] >> 4) & 15; b = zres[i] & 15; response[i * 2] = ((a < 10) ? (a + 48) : (a + 87)) & 255; response[i * 2 + 1] = ((b < 10) ? (b + 48) : (b + 87)) & 255; /* add tail */ resp_len = strlen (response); strcpy (&response[resp_len], "01d0a8e3"); /* calculate checksum */ for (i = 0; i < resp_len / 4; i++) chksum[i] = response[i * 4]; --- NEW FILE: realhash.h --- #ifndef __GST_RTSP_HASH_H__ #define __GST_RTSP_HASH_H__ G_BEGIN_DECLS char *challenge); G_END_DECLS #endif /* __GST_RTSP_HASH_H__ */ Index: rtspreal.c RCS file: /cvs/gstreamer/gst-plugins-ugly/gst/realmedia/rtspreal.c,v retrieving revision 1.2 retrieving revision 1.3 diff -u -d -r1.2 -r1.3 --- rtspreal.c 27 Jul 2007 10:12:55 -0000 1.2 +++ rtspreal.c 27 Jul 2007 16:39:45 -0000 1.3 @@ -40,6 +40,7 @@ #include <gst/rtsp/gstrtspextension.h> #include <gst/rtsp/gstrtspbase64.h> +#include "realhash.h" #include "rtspreal.h" GST_DEBUG_CATEGORY_STATIC (rtspreal_debug); @@ -54,9 +55,6 @@ #define SERVER_PREFIX "RealServer" -static void rtsp_ext_real_calc_response_and_checksum (char *response, - char *chksum, char *challenge); - static GstRTSPResult rtsp_ext_real_get_transports (GstRTSPExtension * ext, GstRTSPLowerTrans protocols, gchar ** transport) @@ -67,6 +65,8 @@ if (!ctx->isreal) return GST_RTSP_OK; + GST_DEBUG_OBJECT (ext, "generating transports for %d", protocols); str = g_string_new (""); if (protocols & GST_RTSP_LOWER_TRANS_UDP_MCAST) { @@ -163,7 +163,7 @@ if (!challenge1) goto no_challenge1; - rtsp_ext_real_calc_response_and_checksum (ctx->challenge2, + gst_rtsp_ext_real_calc_response_and_checksum (ctx->challenge2, ctx->checksum, challenge1); break; } @@ -181,307 +181,6 @@ } } -/* - * The following code has been copied from - * xine-lib-1.1.1/src/input/libreal/real.c. - */ -#if G_BYTE_ORDER == G_LITTLE_ENDIAN -#define be2me_32(x) GUINT32_SWAP_LE_BE(x) -#define le2me_32(x) (x) -#else -#define le2me_32(x) GUINT32_SWAP_LE_BE(x) -#define be2me_32(x) (x) -#endif -#define ALE_32(x) (le2me_32(*(uint32_t*)(x))) -#define LE_32(x) ALE_32(x) -static const unsigned char xor_table[] = { - 0x05, 0x18, 0x74, 0xd0, 0x0d, 0x09, 0x02, 0x53, - 0xc0, 0x01, 0x05, 0x05, 0x67, 0x03, 0x19, 0x70, - 0x08, 0x27, 0x66, 0x10, 0x10, 0x72, 0x08, 0x09, - 0x63, 0x11, 0x03, 0x71, 0x08, 0x08, 0x70, 0x02, - 0x10, 0x57, 0x05, 0x18, 0x54, 0x00, 0x00, 0x00 -}; -#define BE_32C(x,y) do { *(uint32_t *)(x) = be2me_32((y)); } while(0) -#define LE_32C(x,y) do { *(uint32_t *)(x) = le2me_32((y)); } while(0) -static void -hash (char *field, char *param) -{ - uint32_t a, b, c, d; - /* fill variables */ - a = LE_32 (field); - b = LE_32 (field + 4); - c = LE_32 (field + 8); - d = LE_32 (field + 12); - a = ((b & c) | (~b & d)) + LE_32 ((param + 0x00)) + a - 0x28955B88; - a = ((a << 0x07) | (a >> 0x19)) + b; - d = ((a & b) | (~a & c)) + LE_32 ((param + 0x04)) + d - 0x173848AA; - d = ((d << 0x0c) | (d >> 0x14)) + a; - c = ((d & a) | (~d & b)) + LE_32 ((param + 0x08)) + c + 0x242070DB; - c = ((c << 0x11) | (c >> 0x0f)) + d; - b = ((c & d) | (~c & a)) + LE_32 ((param + 0x0c)) + b - 0x3E423112; - b = ((b << 0x16) | (b >> 0x0a)) + c; - a = ((b & c) | (~b & d)) + LE_32 ((param + 0x10)) + a - 0x0A83F051; - d = ((a & b) | (~a & c)) + LE_32 ((param + 0x14)) + d + 0x4787C62A; - c = ((d & a) | (~d & b)) + LE_32 ((param + 0x18)) + c - 0x57CFB9ED; - b = ((c & d) | (~c & a)) + LE_32 ((param + 0x1c)) + b - 0x02B96AFF; - a = ((b & c) | (~b & d)) + LE_32 ((param + 0x20)) + a + 0x698098D8; - d = ((a & b) | (~a & c)) + LE_32 ((param + 0x24)) + d - 0x74BB0851; - c = ((d & a) | (~d & b)) + LE_32 ((param + 0x28)) + c - 0x0000A44F; - b = ((c & d) | (~c & a)) + LE_32 ((param + 0x2C)) + b - 0x76A32842; - a = ((b & c) | (~b & d)) + LE_32 ((param + 0x30)) + a + 0x6B901122; - d = ((a & b) | (~a & c)) + LE_32 ((param + 0x34)) + d - 0x02678E6D; - c = ((d & a) | (~d & b)) + LE_32 ((param + 0x38)) + c - 0x5986BC72; - b = ((c & d) | (~c & a)) + LE_32 ((param + 0x3c)) + b + 0x49B40821; - a = ((b & d) | (~d & c)) + LE_32 ((param + 0x04)) + a - 0x09E1DA9E; - a = ((a << 0x05) | (a >> 0x1b)) + b; - d = ((a & c) | (~c & b)) + LE_32 ((param + 0x18)) + d - 0x3FBF4CC0; - d = ((d << 0x09) | (d >> 0x17)) + a; - c = ((d & b) | (~b & a)) + LE_32 ((param + 0x2c)) + c + 0x265E5A51; - c = ((c << 0x0e) | (c >> 0x12)) + d; - b = ((c & a) | (~a & d)) + LE_32 ((param + 0x00)) + b - 0x16493856; - b = ((b << 0x14) | (b >> 0x0c)) + c; - a = ((b & d) | (~d & c)) + LE_32 ((param + 0x14)) + a - 0x29D0EFA3; - d = ((a & c) | (~c & b)) + LE_32 ((param + 0x28)) + d + 0x02441453; - c = ((d & b) | (~b & a)) + LE_32 ((param + 0x3c)) + c - 0x275E197F; - b = ((c & a) | (~a & d)) + LE_32 ((param + 0x10)) + b - 0x182C0438; - a = ((b & d) | (~d & c)) + LE_32 ((param + 0x24)) + a + 0x21E1CDE6; - d = ((a & c) | (~c & b)) + LE_32 ((param + 0x38)) + d - 0x3CC8F82A; - c = ((d & b) | (~b & a)) + LE_32 ((param + 0x0c)) + c - 0x0B2AF279; - b = ((c & a) | (~a & d)) + LE_32 ((param + 0x20)) + b + 0x455A14ED; - a = ((b & d) | (~d & c)) + LE_32 ((param + 0x34)) + a - 0x561C16FB; - d = ((a & c) | (~c & b)) + LE_32 ((param + 0x08)) + d - 0x03105C08; - c = ((d & b) | (~b & a)) + LE_32 ((param + 0x1c)) + c + 0x676F02D9; - b = ((c & a) | (~a & d)) + LE_32 ((param + 0x30)) + b - 0x72D5B376; - a = (b ^ c ^ d) + LE_32 ((param + 0x14)) + a - 0x0005C6BE; - a = ((a << 0x04) | (a >> 0x1c)) + b; - d = (a ^ b ^ c) + LE_32 ((param + 0x20)) + d - 0x788E097F; - d = ((d << 0x0b) | (d >> 0x15)) + a; - c = (d ^ a ^ b) + LE_32 ((param + 0x2c)) + c + 0x6D9D6122; - c = ((c << 0x10) | (c >> 0x10)) + d; - b = (c ^ d ^ a) + LE_32 ((param + 0x38)) + b - 0x021AC7F4; - b = ((b << 0x17) | (b >> 0x09)) + c; - a = (b ^ c ^ d) + LE_32 ((param + 0x04)) + a - 0x5B4115BC; - d = (a ^ b ^ c) + LE_32 ((param + 0x10)) + d + 0x4BDECFA9; - c = (d ^ a ^ b) + LE_32 ((param + 0x1c)) + c - 0x0944B4A0; - b = (c ^ d ^ a) + LE_32 ((param + 0x28)) + b - 0x41404390; - a = (b ^ c ^ d) + LE_32 ((param + 0x34)) + a + 0x289B7EC6; - d = (a ^ b ^ c) + LE_32 ((param + 0x00)) + d - 0x155ED806; - c = (d ^ a ^ b) + LE_32 ((param + 0x0c)) + c - 0x2B10CF7B; - b = (c ^ d ^ a) + LE_32 ((param + 0x18)) + b + 0x04881D05; - a = (b ^ c ^ d) + LE_32 ((param + 0x24)) + a - 0x262B2FC7; - d = (a ^ b ^ c) + LE_32 ((param + 0x30)) + d - 0x1924661B; - c = (d ^ a ^ b) + LE_32 ((param + 0x3c)) + c + 0x1fa27cf8; - b = (c ^ d ^ a) + LE_32 ((param + 0x08)) + b - 0x3B53A99B; - a = ((~d | b) ^ c) + LE_32 ((param + 0x00)) + a - 0x0BD6DDBC; - a = ((a << 0x06) | (a >> 0x1a)) + b; - d = ((~c | a) ^ b) + LE_32 ((param + 0x1c)) + d + 0x432AFF97; - d = ((d << 0x0a) | (d >> 0x16)) + a; - c = ((~b | d) ^ a) + LE_32 ((param + 0x38)) + c - 0x546BDC59; - c = ((c << 0x0f) | (c >> 0x11)) + d; - b = ((~a | c) ^ d) + LE_32 ((param + 0x14)) + b - 0x036C5FC7; - b = ((b << 0x15) | (b >> 0x0b)) + c; - a = ((~d | b) ^ c) + LE_32 ((param + 0x30)) + a + 0x655B59C3; - d = ((~c | a) ^ b) + LE_32 ((param + 0x0C)) + d - 0x70F3336E; - c = ((~b | d) ^ a) + LE_32 ((param + 0x28)) + c - 0x00100B83; - b = ((~a | c) ^ d) + LE_32 ((param + 0x04)) + b - 0x7A7BA22F; - a = ((~d | b) ^ c) + LE_32 ((param + 0x20)) + a + 0x6FA87E4F; - d = ((~c | a) ^ b) + LE_32 ((param + 0x3c)) + d - 0x01D31920; - c = ((~b | d) ^ a) + LE_32 ((param + 0x18)) + c - 0x5CFEBCEC; - b = ((~a | c) ^ d) + LE_32 ((param + 0x34)) + b + 0x4E0811A1; - a = ((~d | b) ^ c) + LE_32 ((param + 0x10)) + a - 0x08AC817E; - d = ((~c | a) ^ b) + LE_32 ((param + 0x2c)) + d - 0x42C50DCB; - c = ((~b | d) ^ a) + LE_32 ((param + 0x08)) + c + 0x2AD7D2BB; - b = ((~a | c) ^ d) + LE_32 ((param + 0x24)) + b - 0x14792C6F; - a += LE_32 (field); - b += LE_32 (field + 4); - c += LE_32 (field + 8); - d += LE_32 (field + 12); - LE_32C (field, a); - LE_32C (field + 4, b); - LE_32C (field + 8, c); - LE_32C (field + 12, d); -} -call_hash (char *key, char *challenge, int len) - uint8_t *ptr1, *ptr2; - uint32_t a, b, c, d, tmp; - ptr1 = (uint8_t *) (key + 16); - ptr2 = (uint8_t *) (key + 20); - a = LE_32 (ptr1); - b = (a >> 3) & 0x3f; - a += len * 8; - LE_32C (ptr1, a); - if (a < (len << 3)) - ptr2 += 4; - tmp = LE_32 (ptr2) + (len >> 0x1d); - LE_32C (ptr2, tmp); - a = 64 - b; - c = 0; - if (a <= len) { - memcpy (key + b + 24, challenge, a); - hash (key, key + 24); - c = a; - d = c + 0x3f; - while (d < len) { - hash (key, challenge + d - 0x3f); - d += 64; - c += 64; - } - b = 0; - } - memcpy (key + b + 24, challenge + c, len - c); -rtsp_ext_real_calc_response_and_checksum (char *response, char *chksum, - char *challenge) - int ch_len, table_len, resp_len; - int i; - char *ptr; - char buf[128]; - char field[128]; - char zres[20]; - char buf1[128]; - char buf2[128]; - /* initialize return values */ - memset (response, 0, 64); - memset (chksum, 0, 34); - /* initialize buffer */ - memset (buf, 0, 128); - ptr = buf; - BE_32C (ptr, 0xa1e9149d); - ptr += 4; - BE_32C (ptr, 0x0e6b3b59); - if ((ch_len = MIN (strlen (challenge), 56)) == 40) { - challenge[32] = 0; - ch_len = 32; - memcpy (ptr, challenge, ch_len); - /* xor challenge bytewise with xor_table */ - table_len = MIN (strlen ((char *) xor_table), 56); - for (i = 0; i < table_len; i++) - ptr[i] = ptr[i] ^ xor_table[i]; - /* initialize our field */ - BE_32C (field, 0x01234567); - BE_32C (field + 4, 0x89ABCDEF); - BE_32C (field + 8, 0xFEDCBA98); - BE_32C (field + 12, 0x76543210); - BE_32C (field + 16, 0x00000000); - BE_32C (field + 20, 0x00000000); - /* calculate response */ - call_hash (field, buf, 64); - memset (buf1, 0, 64); - *buf1 = 128; - memcpy (buf2, field + 16, 8); - i = (LE_32 ((buf2)) >> 3) & 0x3f; - if (i < 56) - i = 56 - i; - else - i = 120 - i; - call_hash (field, buf1, i); - call_hash (field, buf2, 8); - memcpy (zres, field, 16); - /* convert zres to ascii string */ - for (i = 0; i < 16; i++) { - char a, b; - a = (zres[i] >> 4) & 15; - b = zres[i] & 15; - response[i * 2] = ((a < 10) ? (a + 48) : (a + 87)) & 255; - response[i * 2 + 1] = ((b < 10) ? (b + 48) : (b + 87)) & 255; - /* add tail */ - resp_len = strlen (response); - strcpy (&response[resp_len], "01d0a8e3"); - /* calculate checksum */ - for (i = 0; i < resp_len / 4; i++) - chksum[i] = response[i * 4]; - * Stop xine code #define ENSURE_SIZE(size) \ G_STMT_START { \ while (data_len < size) { \ @@ -860,7 +559,9 @@ gst_rtsp_message_add_header (&request, GST_RTSP_HDR_SUBSCRIBE, //"stream=0;rule=5,stream=0;rule=6,stream=1;rule=0,stream=1;rule=1"); //"stream=0;rule=0,stream=0;rule=1,stream=1;rule=0,stream=1;rule=1"); - "stream=0;rule=0,stream=0;rule=1"); + //"stream=0;rule=5,stream=0;rule=6,stream=1;rule=2,stream=1;rule=3"); + "stream=0;rule=5,stream=0;rule=6,stream=1;rule=0,stream=1;rule=1"); + //"stream=0;rule=0,stream=0;rule=1"); /* send SET_PARAMETER */ if ((res = gst_rtsp_extension_send (ext, &request, &response)) < 0) |