diff --git a/ChangeLog b/ChangeLog index 92cf31a83f..5da5e36316 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,13 @@ +2007-07-27 Wim Taymans + + * 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 * gst/asfdemux/Makefile.am: diff --git a/gst/realmedia/Makefile.am b/gst/realmedia/Makefile.am index e66fe09859..5017603f9b 100644 --- a/gst/realmedia/Makefile.am +++ b/gst/realmedia/Makefile.am @@ -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 diff --git a/gst/realmedia/realhash.c b/gst/realmedia/realhash.c new file mode 100644 index 0000000000..11ea819b94 --- /dev/null +++ b/gst/realmedia/realhash.c @@ -0,0 +1,330 @@ +/* GStreamer + * Copyright (C) <2005,2006> Wim Taymans + * + * 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 +#include + +#include + +#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) +#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; + a = ((a << 0x07) | (a >> 0x19)) + b; + d = ((a & b) | (~a & c)) + LE_32 ((param + 0x14)) + d + 0x4787C62A; + d = ((d << 0x0c) | (d >> 0x14)) + a; + c = ((d & a) | (~d & b)) + LE_32 ((param + 0x18)) + c - 0x57CFB9ED; + c = ((c << 0x11) | (c >> 0x0f)) + d; + b = ((c & d) | (~c & a)) + LE_32 ((param + 0x1c)) + b - 0x02B96AFF; + b = ((b << 0x16) | (b >> 0x0a)) + c; + a = ((b & c) | (~b & d)) + LE_32 ((param + 0x20)) + a + 0x698098D8; + a = ((a << 0x07) | (a >> 0x19)) + b; + d = ((a & b) | (~a & c)) + LE_32 ((param + 0x24)) + d - 0x74BB0851; + d = ((d << 0x0c) | (d >> 0x14)) + a; + c = ((d & a) | (~d & b)) + LE_32 ((param + 0x28)) + c - 0x0000A44F; + c = ((c << 0x11) | (c >> 0x0f)) + d; + b = ((c & d) | (~c & a)) + LE_32 ((param + 0x2C)) + b - 0x76A32842; + b = ((b << 0x16) | (b >> 0x0a)) + c; + a = ((b & c) | (~b & d)) + LE_32 ((param + 0x30)) + a + 0x6B901122; + a = ((a << 0x07) | (a >> 0x19)) + b; + d = ((a & b) | (~a & c)) + LE_32 ((param + 0x34)) + d - 0x02678E6D; + d = ((d << 0x0c) | (d >> 0x14)) + a; + c = ((d & a) | (~d & b)) + LE_32 ((param + 0x38)) + c - 0x5986BC72; + c = ((c << 0x11) | (c >> 0x0f)) + d; + b = ((c & d) | (~c & a)) + LE_32 ((param + 0x3c)) + b + 0x49B40821; + b = ((b << 0x16) | (b >> 0x0a)) + c; + + 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; + a = ((a << 0x05) | (a >> 0x1b)) + b; + d = ((a & c) | (~c & b)) + LE_32 ((param + 0x28)) + d + 0x02441453; + d = ((d << 0x09) | (d >> 0x17)) + a; + c = ((d & b) | (~b & a)) + LE_32 ((param + 0x3c)) + c - 0x275E197F; + c = ((c << 0x0e) | (c >> 0x12)) + d; + b = ((c & a) | (~a & d)) + LE_32 ((param + 0x10)) + b - 0x182C0438; + b = ((b << 0x14) | (b >> 0x0c)) + c; + a = ((b & d) | (~d & c)) + LE_32 ((param + 0x24)) + a + 0x21E1CDE6; + a = ((a << 0x05) | (a >> 0x1b)) + b; + d = ((a & c) | (~c & b)) + LE_32 ((param + 0x38)) + d - 0x3CC8F82A; + d = ((d << 0x09) | (d >> 0x17)) + a; + c = ((d & b) | (~b & a)) + LE_32 ((param + 0x0c)) + c - 0x0B2AF279; + c = ((c << 0x0e) | (c >> 0x12)) + d; + b = ((c & a) | (~a & d)) + LE_32 ((param + 0x20)) + b + 0x455A14ED; + b = ((b << 0x14) | (b >> 0x0c)) + c; + a = ((b & d) | (~d & c)) + LE_32 ((param + 0x34)) + a - 0x561C16FB; + a = ((a << 0x05) | (a >> 0x1b)) + b; + d = ((a & c) | (~c & b)) + LE_32 ((param + 0x08)) + d - 0x03105C08; + d = ((d << 0x09) | (d >> 0x17)) + a; + c = ((d & b) | (~b & a)) + LE_32 ((param + 0x1c)) + c + 0x676F02D9; + c = ((c << 0x0e) | (c >> 0x12)) + d; + b = ((c & a) | (~a & d)) + LE_32 ((param + 0x30)) + b - 0x72D5B376; + b = ((b << 0x14) | (b >> 0x0c)) + c; + + 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; + a = ((a << 0x04) | (a >> 0x1c)) + b; + d = (a ^ b ^ c) + LE_32 ((param + 0x10)) + d + 0x4BDECFA9; + d = ((d << 0x0b) | (d >> 0x15)) + a; + c = (d ^ a ^ b) + LE_32 ((param + 0x1c)) + c - 0x0944B4A0; + c = ((c << 0x10) | (c >> 0x10)) + d; + b = (c ^ d ^ a) + LE_32 ((param + 0x28)) + b - 0x41404390; + b = ((b << 0x17) | (b >> 0x09)) + c; + a = (b ^ c ^ d) + LE_32 ((param + 0x34)) + a + 0x289B7EC6; + a = ((a << 0x04) | (a >> 0x1c)) + b; + d = (a ^ b ^ c) + LE_32 ((param + 0x00)) + d - 0x155ED806; + d = ((d << 0x0b) | (d >> 0x15)) + a; + c = (d ^ a ^ b) + LE_32 ((param + 0x0c)) + c - 0x2B10CF7B; + c = ((c << 0x10) | (c >> 0x10)) + d; + b = (c ^ d ^ a) + LE_32 ((param + 0x18)) + b + 0x04881D05; + b = ((b << 0x17) | (b >> 0x09)) + c; + a = (b ^ c ^ d) + LE_32 ((param + 0x24)) + a - 0x262B2FC7; + a = ((a << 0x04) | (a >> 0x1c)) + b; + d = (a ^ b ^ c) + LE_32 ((param + 0x30)) + d - 0x1924661B; + d = ((d << 0x0b) | (d >> 0x15)) + a; + c = (d ^ a ^ b) + LE_32 ((param + 0x3c)) + c + 0x1fa27cf8; + c = ((c << 0x10) | (c >> 0x10)) + d; + b = (c ^ d ^ a) + LE_32 ((param + 0x08)) + b - 0x3B53A99B; + b = ((b << 0x17) | (b >> 0x09)) + c; + + 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; + a = ((a << 0x06) | (a >> 0x1a)) + b; + d = ((~c | a) ^ b) + LE_32 ((param + 0x0C)) + d - 0x70F3336E; + d = ((d << 0x0a) | (d >> 0x16)) + a; + c = ((~b | d) ^ a) + LE_32 ((param + 0x28)) + c - 0x00100B83; + c = ((c << 0x0f) | (c >> 0x11)) + d; + b = ((~a | c) ^ d) + LE_32 ((param + 0x04)) + b - 0x7A7BA22F; + b = ((b << 0x15) | (b >> 0x0b)) + c; + a = ((~d | b) ^ c) + LE_32 ((param + 0x20)) + a + 0x6FA87E4F; + a = ((a << 0x06) | (a >> 0x1a)) + b; + d = ((~c | a) ^ b) + LE_32 ((param + 0x3c)) + d - 0x01D31920; + d = ((d << 0x0a) | (d >> 0x16)) + a; + c = ((~b | d) ^ a) + LE_32 ((param + 0x18)) + c - 0x5CFEBCEC; + c = ((c << 0x0f) | (c >> 0x11)) + d; + b = ((~a | c) ^ d) + LE_32 ((param + 0x34)) + b + 0x4E0811A1; + b = ((b << 0x15) | (b >> 0x0b)) + c; + a = ((~d | b) ^ c) + LE_32 ((param + 0x10)) + a - 0x08AC817E; + a = ((a << 0x06) | (a >> 0x1a)) + b; + d = ((~c | a) ^ b) + LE_32 ((param + 0x2c)) + d - 0x42C50DCB; + d = ((d << 0x0a) | (d >> 0x16)) + a; + c = ((~b | d) ^ a) + LE_32 ((param + 0x08)) + c + 0x2AD7D2BB; + c = ((c << 0x0f) | (c >> 0x11)) + d; + b = ((~a | c) ^ d) + LE_32 ((param + 0x24)) + b - 0x14792C6F; + b = ((b << 0x15) | (b >> 0x0b)) + c; + + 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); +} + +static void +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); + ptr += 4; + + 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]; +} diff --git a/gst/realmedia/realhash.h b/gst/realmedia/realhash.h new file mode 100644 index 0000000000..7ca3e1b24f --- /dev/null +++ b/gst/realmedia/realhash.h @@ -0,0 +1,31 @@ +/* GStreamer + * Copyright (C) <2005,2006> Wim Taymans + * + * 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. + */ + +#ifndef __GST_RTSP_HASH_H__ +#define __GST_RTSP_HASH_H__ + +G_BEGIN_DECLS + +void +gst_rtsp_ext_real_calc_response_and_checksum (char *response, char *chksum, + char *challenge); + +G_END_DECLS + +#endif /* __GST_RTSP_HASH_H__ */ diff --git a/gst/realmedia/rtspreal.c b/gst/realmedia/rtspreal.c index 23aebf621d..ad956ec021 100644 --- a/gst/realmedia/rtspreal.c +++ b/gst/realmedia/rtspreal.c @@ -40,6 +40,7 @@ #include #include +#include "realhash.h" #include "rtspreal.h" GST_DEBUG_CATEGORY_STATIC (rtspreal_debug); @@ -54,9 +55,6 @@ GST_ELEMENT_DETAILS ("RealMedia RTSP Extension", #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 @@ rtsp_ext_real_get_transports (GstRTSPExtension * ext, 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 @@ rtsp_ext_real_after_send (GstRTSPExtension * ext, GstRTSPMessage * req, 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 @@ no_challenge1: } } -/* - * 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; - a = ((a << 0x07) | (a >> 0x19)) + b; - d = ((a & b) | (~a & c)) + LE_32 ((param + 0x14)) + d + 0x4787C62A; - d = ((d << 0x0c) | (d >> 0x14)) + a; - c = ((d & a) | (~d & b)) + LE_32 ((param + 0x18)) + c - 0x57CFB9ED; - c = ((c << 0x11) | (c >> 0x0f)) + d; - b = ((c & d) | (~c & a)) + LE_32 ((param + 0x1c)) + b - 0x02B96AFF; - b = ((b << 0x16) | (b >> 0x0a)) + c; - a = ((b & c) | (~b & d)) + LE_32 ((param + 0x20)) + a + 0x698098D8; - a = ((a << 0x07) | (a >> 0x19)) + b; - d = ((a & b) | (~a & c)) + LE_32 ((param + 0x24)) + d - 0x74BB0851; - d = ((d << 0x0c) | (d >> 0x14)) + a; - c = ((d & a) | (~d & b)) + LE_32 ((param + 0x28)) + c - 0x0000A44F; - c = ((c << 0x11) | (c >> 0x0f)) + d; - b = ((c & d) | (~c & a)) + LE_32 ((param + 0x2C)) + b - 0x76A32842; - b = ((b << 0x16) | (b >> 0x0a)) + c; - a = ((b & c) | (~b & d)) + LE_32 ((param + 0x30)) + a + 0x6B901122; - a = ((a << 0x07) | (a >> 0x19)) + b; - d = ((a & b) | (~a & c)) + LE_32 ((param + 0x34)) + d - 0x02678E6D; - d = ((d << 0x0c) | (d >> 0x14)) + a; - c = ((d & a) | (~d & b)) + LE_32 ((param + 0x38)) + c - 0x5986BC72; - c = ((c << 0x11) | (c >> 0x0f)) + d; - b = ((c & d) | (~c & a)) + LE_32 ((param + 0x3c)) + b + 0x49B40821; - b = ((b << 0x16) | (b >> 0x0a)) + c; - - 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; - a = ((a << 0x05) | (a >> 0x1b)) + b; - d = ((a & c) | (~c & b)) + LE_32 ((param + 0x28)) + d + 0x02441453; - d = ((d << 0x09) | (d >> 0x17)) + a; - c = ((d & b) | (~b & a)) + LE_32 ((param + 0x3c)) + c - 0x275E197F; - c = ((c << 0x0e) | (c >> 0x12)) + d; - b = ((c & a) | (~a & d)) + LE_32 ((param + 0x10)) + b - 0x182C0438; - b = ((b << 0x14) | (b >> 0x0c)) + c; - a = ((b & d) | (~d & c)) + LE_32 ((param + 0x24)) + a + 0x21E1CDE6; - a = ((a << 0x05) | (a >> 0x1b)) + b; - d = ((a & c) | (~c & b)) + LE_32 ((param + 0x38)) + d - 0x3CC8F82A; - d = ((d << 0x09) | (d >> 0x17)) + a; - c = ((d & b) | (~b & a)) + LE_32 ((param + 0x0c)) + c - 0x0B2AF279; - c = ((c << 0x0e) | (c >> 0x12)) + d; - b = ((c & a) | (~a & d)) + LE_32 ((param + 0x20)) + b + 0x455A14ED; - b = ((b << 0x14) | (b >> 0x0c)) + c; - a = ((b & d) | (~d & c)) + LE_32 ((param + 0x34)) + a - 0x561C16FB; - a = ((a << 0x05) | (a >> 0x1b)) + b; - d = ((a & c) | (~c & b)) + LE_32 ((param + 0x08)) + d - 0x03105C08; - d = ((d << 0x09) | (d >> 0x17)) + a; - c = ((d & b) | (~b & a)) + LE_32 ((param + 0x1c)) + c + 0x676F02D9; - c = ((c << 0x0e) | (c >> 0x12)) + d; - b = ((c & a) | (~a & d)) + LE_32 ((param + 0x30)) + b - 0x72D5B376; - b = ((b << 0x14) | (b >> 0x0c)) + c; - - 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; - a = ((a << 0x04) | (a >> 0x1c)) + b; - d = (a ^ b ^ c) + LE_32 ((param + 0x10)) + d + 0x4BDECFA9; - d = ((d << 0x0b) | (d >> 0x15)) + a; - c = (d ^ a ^ b) + LE_32 ((param + 0x1c)) + c - 0x0944B4A0; - c = ((c << 0x10) | (c >> 0x10)) + d; - b = (c ^ d ^ a) + LE_32 ((param + 0x28)) + b - 0x41404390; - b = ((b << 0x17) | (b >> 0x09)) + c; - a = (b ^ c ^ d) + LE_32 ((param + 0x34)) + a + 0x289B7EC6; - a = ((a << 0x04) | (a >> 0x1c)) + b; - d = (a ^ b ^ c) + LE_32 ((param + 0x00)) + d - 0x155ED806; - d = ((d << 0x0b) | (d >> 0x15)) + a; - c = (d ^ a ^ b) + LE_32 ((param + 0x0c)) + c - 0x2B10CF7B; - c = ((c << 0x10) | (c >> 0x10)) + d; - b = (c ^ d ^ a) + LE_32 ((param + 0x18)) + b + 0x04881D05; - b = ((b << 0x17) | (b >> 0x09)) + c; - a = (b ^ c ^ d) + LE_32 ((param + 0x24)) + a - 0x262B2FC7; - a = ((a << 0x04) | (a >> 0x1c)) + b; - d = (a ^ b ^ c) + LE_32 ((param + 0x30)) + d - 0x1924661B; - d = ((d << 0x0b) | (d >> 0x15)) + a; - c = (d ^ a ^ b) + LE_32 ((param + 0x3c)) + c + 0x1fa27cf8; - c = ((c << 0x10) | (c >> 0x10)) + d; - b = (c ^ d ^ a) + LE_32 ((param + 0x08)) + b - 0x3B53A99B; - b = ((b << 0x17) | (b >> 0x09)) + c; - - 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; - a = ((a << 0x06) | (a >> 0x1a)) + b; - d = ((~c | a) ^ b) + LE_32 ((param + 0x0C)) + d - 0x70F3336E; - d = ((d << 0x0a) | (d >> 0x16)) + a; - c = ((~b | d) ^ a) + LE_32 ((param + 0x28)) + c - 0x00100B83; - c = ((c << 0x0f) | (c >> 0x11)) + d; - b = ((~a | c) ^ d) + LE_32 ((param + 0x04)) + b - 0x7A7BA22F; - b = ((b << 0x15) | (b >> 0x0b)) + c; - a = ((~d | b) ^ c) + LE_32 ((param + 0x20)) + a + 0x6FA87E4F; - a = ((a << 0x06) | (a >> 0x1a)) + b; - d = ((~c | a) ^ b) + LE_32 ((param + 0x3c)) + d - 0x01D31920; - d = ((d << 0x0a) | (d >> 0x16)) + a; - c = ((~b | d) ^ a) + LE_32 ((param + 0x18)) + c - 0x5CFEBCEC; - c = ((c << 0x0f) | (c >> 0x11)) + d; - b = ((~a | c) ^ d) + LE_32 ((param + 0x34)) + b + 0x4E0811A1; - b = ((b << 0x15) | (b >> 0x0b)) + c; - a = ((~d | b) ^ c) + LE_32 ((param + 0x10)) + a - 0x08AC817E; - a = ((a << 0x06) | (a >> 0x1a)) + b; - d = ((~c | a) ^ b) + LE_32 ((param + 0x2c)) + d - 0x42C50DCB; - d = ((d << 0x0a) | (d >> 0x16)) + a; - c = ((~b | d) ^ a) + LE_32 ((param + 0x08)) + c + 0x2AD7D2BB; - c = ((c << 0x0f) | (c >> 0x11)) + d; - b = ((~a | c) ^ d) + LE_32 ((param + 0x24)) + b - 0x14792C6F; - b = ((b << 0x15) | (b >> 0x0b)) + c; - - 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); -} - -static void -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); -} - -static void -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); - ptr += 4; - - 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 @@ rtsp_ext_real_stream_select (GstRTSPExtension * ext, GstRTSPUrl * url) 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)