From 7be717717ee2d9de221c62bfe4f1c5c1a5da1c8d Mon Sep 17 00:00:00 2001 From: "Steinar H. Gunderson" Date: Sat, 5 Feb 2005 19:34:02 +0000 Subject: [PATCH] Switch from RDP4-style to X.509. --- mcs.c | 171 +++++++++++++++++++++++++++++++++------------------------- 1 file changed, 99 insertions(+), 72 deletions(-) diff --git a/mcs.c b/mcs.c index f586801..25361e8 100644 --- a/mcs.c +++ b/mcs.c @@ -193,54 +193,89 @@ mcs_recv_connect_initial() return s_check_end(s); } -/* key generated with "openssl genrsa 512 | openssl rsa -text": - -modulus: - 00:b1:e0:36:2f:fd:dd:8b:d6:64:e9:2b:14:f8:b9: - 0b:ba:3b:b7:0a:f1:f3:97:56:93:38:01:2f:d1:31: - 2d:70:59:de:97:6a:61:3f:cb:a4:b4:12:05:89:14: - d9:b0:8a:70:03:b6:f1:ad:c5:b9:19:9b:b9:8f:03: - 51:bf:fe:f8:e5 -publicExponent: 65537 (0x10001) -privateExponent: - 00:a4:86:68:58:97:8d:f6:2c:06:06:8d:ac:c6:2a: - 12:a8:dd:56:ff:2e:b0:4b:08:ee:fe:dc:4a:28:4a: - 3e:67:2d:8e:08:6b:5f:87:69:a4:c5:a0:e7:50:1a: - f0:71:03:46:f2:52:7c:e6:09:40:40:61:51:76:32: - f8:28:72:99:41 -prime1: - 00:db:46:d9:34:10:ce:0d:f6:f7:48:30:0f:2b:f6: - 4d:66:40:27:00:97:db:48:77:cd:96:b5:a6:51:81: - a1:7c:ad -prime2: - 00:cf:aa:5c:d3:8a:0d:d4:91:a6:40:92:ff:2c:31: - d6:f9:08:8d:e8:d2:a8:2f:89:a6:88:2c:61:68:8e: - ee:7c:19 -*/ -unsigned char my_modulus[SEC_MODULUS_SIZE] = { - 0xe5, 0xf8, 0xfe, 0xbf, 0x51, - 0x03, 0x8f, 0xb9, 0x9b, 0x19, 0xb9, 0xc5, 0xad, 0xf1, 0xb6, 0x03, 0x70, 0x8a, 0xb0, 0xd9, - 0x14, 0x89, 0x05, 0x12, 0xb4, 0xa4, 0xcb, 0x3f, 0x61, 0x6a, 0x97, 0xde, 0x59, 0x70, 0x2d, - 0x31, 0xd1, 0x2f, 0x01, 0x38, 0x93, 0x56, 0x97, 0xf3, 0xf1, 0x0a, 0xb7, 0x3b, 0xba, 0x0b, - 0xb9, 0xf8, 0x14, 0x2b, 0xe9, 0x64, 0xd6, 0x8b, 0xdd, 0xfd, 0x2f, 0x36, 0xe0, 0xb1 +/* keys grabbed from rdpproxy, look at http://www.cse.unsw.edu.au/~matthewc/rdesktop/rdpproxy/openssl/ */ +unsigned char cacert[] = { + 0x30, 0x82, 0x01, 0x6b, 0x30, 0x82, 0x01, 0x19, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x08, 0x01, + 0x9d, 0xfb, 0xeb, 0x46, 0x78, 0x5b, 0x00, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1d, + 0x05, 0x00, 0x30, 0x34, 0x31, 0x32, 0x30, 0x15, 0x06, 0x03, 0x55, 0x04, 0x03, 0x1e, 0x0e, 0x00, + 0x56, 0x00, 0x49, 0x00, 0x56, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x44, 0x00, 0x49, 0x30, 0x19, 0x06, + 0x03, 0x55, 0x04, 0x07, 0x1e, 0x12, 0x00, 0x57, 0x00, 0x4f, 0x00, 0x52, 0x00, 0x4b, 0x00, 0x47, + 0x00, 0x52, 0x00, 0x4f, 0x00, 0x55, 0x00, 0x50, 0x30, 0x1e, 0x17, 0x0d, 0x30, 0x32, 0x30, 0x36, + 0x33, 0x30, 0x31, 0x35, 0x31, 0x31, 0x31, 0x39, 0x5a, 0x17, 0x0d, 0x30, 0x33, 0x30, 0x36, 0x33, + 0x30, 0x31, 0x35, 0x31, 0x31, 0x31, 0x39, 0x5a, 0x30, 0x34, 0x31, 0x32, 0x30, 0x15, 0x06, 0x03, + 0x55, 0x04, 0x03, 0x1e, 0x0e, 0x00, 0x56, 0x00, 0x49, 0x00, 0x56, 0x00, 0x41, 0x00, 0x4c, 0x00, + 0x44, 0x00, 0x49, 0x30, 0x19, 0x06, 0x03, 0x55, 0x04, 0x07, 0x1e, 0x12, 0x00, 0x57, 0x00, 0x4f, + 0x00, 0x52, 0x00, 0x4b, 0x00, 0x47, 0x00, 0x52, 0x00, 0x4f, 0x00, 0x55, 0x00, 0x50, 0x30, 0x5c, + 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, + 0x4b, 0x00, 0x30, 0x48, 0x02, 0x41, 0x00, 0xc8, 0xc6, 0xb4, 0xd6, 0x31, 0x35, 0x5e, 0x6f, 0x01, + 0x06, 0x1a, 0x02, 0x1d, 0x55, 0x46, 0x91, 0xe6, 0xa0, 0x19, 0x28, 0x4d, 0x87, 0x28, 0x5d, 0x22, + 0xc8, 0xba, 0x8b, 0x6b, 0x93, 0x18, 0xbb, 0x93, 0x47, 0x14, 0xe5, 0x85, 0xe4, 0xfc, 0x49, 0x3d, + 0x94, 0xbd, 0x5b, 0x2f, 0x7d, 0x0e, 0xa4, 0xa8, 0xc2, 0x79, 0x7c, 0x74, 0x6e, 0x39, 0x5d, 0x8a, + 0xe4, 0x71, 0x22, 0xca, 0x37, 0x7e, 0x49, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x13, 0x30, 0x11, + 0x30, 0x0f, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x04, 0x08, 0x30, 0x06, 0x01, 0x01, 0xff, 0x02, 0x01, + 0x00, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1d, 0x05, 0x00, 0x03, 0x41, 0x00, 0x12, + 0x79, 0xdd, 0xf9, 0x90, 0xb0, 0x39, 0x24, 0x35, 0x4d, 0x0b, 0xc6, 0xff, 0x8a, 0x96, 0x10, 0x4b, + 0xac, 0xd0, 0x26, 0x5e, 0x44, 0xe1, 0x09, 0x72, 0x1b, 0xad, 0x4e, 0x34, 0x78, 0x32, 0xde, 0x29, + 0x11, 0x08, 0x31, 0xba, 0x6d, 0x1b, 0x42, 0x7a, 0xa7, 0x45, 0xc6, 0xb7, 0xd3, 0xd3, 0x0f, 0x8b, + 0xf3, 0xe5, 0x57, 0xde, 0x0d, 0x0c, 0xc1, 0x75, 0x60, 0x57, 0x1c, 0x0e, 0xf8, 0xf3, 0x0c }; -unsigned char my_exponent[SEC_EXPONENT_SIZE] = { - 0x01, 0x00, 0x01, 0x00 -}; -unsigned char my_private_exponent[] = { - 0x41, 0x99, 0x72, 0x28, 0xf8, - 0x32, 0x76, 0x51, 0x61, 0x40, 0x40, 0x09, 0xe6, 0x7c, 0x52, 0xf2, 0x46, 0x03, 0x71, 0xf0, - 0x1a, 0x50, 0xe7, 0xa0, 0xc5, 0xa4, 0x69, 0x87, 0x5f, 0x6b, 0x08, 0x8e, 0x2d, 0x67, 0x3e, - 0x4a, 0x28, 0x4a, 0xdc, 0xfe, 0xee, 0x08, 0x4b, 0xb0, 0x2e, 0xff, 0x56, 0xdd, 0xa8, 0x12, - 0x2a, 0xc6, 0xac, 0x8d, 0x06, 0x06, 0x2c, 0xf6, 0x8d, 0x97, 0x58, 0x68, 0x86, 0xa4 -}; - -// copied verbatim from the protocol... -unsigned char my_signature[SEC_MODULUS_SIZE] = { - 0x49, 0x54, 0x1b, 0xbe, 0x23, 0x8b, 0xbe, 0x1f, 0x77, 0xfa, 0x5d, 0xd0, 0x57, 0xee, 0x55, 0xd2, - 0x9e, 0x38, 0x7b, 0x82, 0x82, 0x8d, 0x25, 0x2a, 0xaa, 0xa0, 0xe6, 0xbe, 0x1b, 0xa6, 0x4e, 0xe2, - 0x9b, 0x55, 0x39, 0xb2, 0x38, 0xd2, 0x11, 0x64, 0x06, 0x64, 0x87, 0xb6, 0x3a, 0xce, 0xc6, 0x9a, - 0xc7, 0x85, 0xbd, 0xc7, 0xe3, 0x2b, 0x10, 0x9f, 0xdc, 0x38, 0x5a, 0x05, 0x86, 0xb3, 0x5c, 0x1a +unsigned char server_cert[] = { + 0x30, 0x82, 0x03, 0x79, 0x30, 0x82, 0x03, 0x27, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x05, 0x01, + 0x00, 0x00, 0x00, 0x03, 0x30, 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1d, 0x05, 0x00, 0x30, + 0x34, 0x31, 0x32, 0x30, 0x15, 0x06, 0x03, 0x55, 0x04, 0x03, 0x1e, 0x0e, 0x00, 0x56, 0x00, 0x49, + 0x00, 0x56, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x44, 0x00, 0x49, 0x30, 0x19, 0x06, 0x03, 0x55, 0x04, + 0x07, 0x1e, 0x12, 0x00, 0x57, 0x00, 0x4f, 0x00, 0x52, 0x00, 0x4b, 0x00, 0x47, 0x00, 0x52, 0x00, + 0x4f, 0x00, 0x55, 0x00, 0x50, 0x30, 0x1e, 0x17, 0x0d, 0x30, 0x32, 0x30, 0x36, 0x33, 0x30, 0x31, + 0x35, 0x31, 0x32, 0x30, 0x38, 0x5a, 0x17, 0x0d, 0x30, 0x33, 0x30, 0x36, 0x33, 0x30, 0x31, 0x35, + 0x31, 0x32, 0x30, 0x38, 0x5a, 0x30, 0x81, 0x92, 0x31, 0x81, 0x8f, 0x30, 0x25, 0x06, 0x03, 0x55, + 0x04, 0x03, 0x1e, 0x1e, 0x00, 0x6e, 0x00, 0x63, 0x00, 0x61, 0x00, 0x6c, 0x00, 0x72, 0x00, 0x70, + 0x00, 0x63, 0x00, 0x3a, 0x00, 0x56, 0x00, 0x49, 0x00, 0x56, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x44, + 0x00, 0x49, 0x30, 0x25, 0x06, 0x03, 0x55, 0x04, 0x07, 0x1e, 0x1e, 0x00, 0x6e, 0x00, 0x63, 0x00, + 0x61, 0x00, 0x6c, 0x00, 0x72, 0x00, 0x70, 0x00, 0x63, 0x00, 0x3a, 0x00, 0x56, 0x00, 0x49, 0x00, + 0x56, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x44, 0x00, 0x49, 0x30, 0x3f, 0x06, 0x03, 0x55, 0x04, 0x05, + 0x1e, 0x38, 0x00, 0x31, 0x00, 0x42, 0x00, 0x63, 0x00, 0x4b, 0x00, 0x65, 0x00, 0x57, 0x00, 0x39, + 0x00, 0x64, 0x00, 0x34, 0x00, 0x43, 0x00, 0x4f, 0x00, 0x59, 0x00, 0x44, 0x00, 0x48, 0x00, 0x2f, + 0x00, 0x56, 0x00, 0x35, 0x00, 0x65, 0x00, 0x67, 0x00, 0x45, 0x00, 0x72, 0x00, 0x70, 0x00, 0x66, + 0x00, 0x55, 0x00, 0x55, 0x00, 0x4f, 0x00, 0x63, 0x00, 0x3d, 0x30, 0x5c, 0x30, 0x0d, 0x06, 0x09, + 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x4b, 0x00, 0x30, 0x48, + 0x02, 0x41, 0x00, 0xb6, 0x88, 0xff, 0x4a, 0x6d, 0x44, 0x59, 0x6c, 0x3a, 0xe8, 0x5b, 0x53, 0x72, + 0x2e, 0x0a, 0x3f, 0x0b, 0xbf, 0x33, 0x87, 0x25, 0x30, 0xeb, 0x82, 0xf7, 0xd4, 0x98, 0xf1, 0x60, + 0xee, 0x6e, 0x99, 0xdd, 0x6f, 0x07, 0xd9, 0xc0, 0xa1, 0x6c, 0x1c, 0x50, 0xd7, 0xc1, 0x18, 0xe1, + 0x5e, 0x70, 0x89, 0x3e, 0x6a, 0x98, 0x2c, 0x8b, 0xef, 0x76, 0x6d, 0x9b, 0x70, 0xb8, 0xd7, 0x41, + 0x25, 0xa1, 0x01, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3, 0x82, 0x01, 0xc3, 0x30, 0x82, 0x01, 0xbf, + 0x30, 0x14, 0x06, 0x09, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x12, 0x04, 0x01, 0x01, 0xff, + 0x04, 0x04, 0x01, 0x00, 0x05, 0x00, 0x30, 0x3c, 0x06, 0x09, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, + 0x37, 0x12, 0x02, 0x01, 0x01, 0xff, 0x04, 0x2c, 0x4d, 0x00, 0x69, 0x00, 0x63, 0x00, 0x72, 0x00, + 0x6f, 0x00, 0x73, 0x00, 0x6f, 0x00, 0x66, 0x00, 0x74, 0x00, 0x20, 0x00, 0x43, 0x00, 0x6f, 0x00, + 0x72, 0x00, 0x70, 0x00, 0x6f, 0x00, 0x72, 0x00, 0x61, 0x00, 0x74, 0x00, 0x69, 0x00, 0x6f, 0x00, + 0x6e, 0x00, 0x00, 0x00, 0x30, 0x81, 0xcd, 0x06, 0x09, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, + 0x12, 0x05, 0x01, 0x01, 0xff, 0x04, 0x81, 0xbc, 0x00, 0x30, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x09, 0x04, 0x00, 0x00, 0x1c, 0x00, 0x4a, 0x00, 0x66, 0x00, 0x4a, 0x00, + 0xb0, 0x00, 0x01, 0x00, 0x33, 0x00, 0x64, 0x00, 0x32, 0x00, 0x36, 0x00, 0x37, 0x00, 0x39, 0x00, + 0x35, 0x00, 0x34, 0x00, 0x2d, 0x00, 0x65, 0x00, 0x65, 0x00, 0x62, 0x00, 0x37, 0x00, 0x2d, 0x00, + 0x31, 0x00, 0x31, 0x00, 0x64, 0x00, 0x31, 0x00, 0x2d, 0x00, 0x62, 0x00, 0x39, 0x00, 0x34, 0x00, + 0x65, 0x00, 0x2d, 0x00, 0x30, 0x00, 0x30, 0x00, 0x63, 0x00, 0x30, 0x00, 0x34, 0x00, 0x66, 0x00, + 0x61, 0x00, 0x33, 0x00, 0x30, 0x00, 0x38, 0x00, 0x30, 0x00, 0x64, 0x00, 0x00, 0x00, 0x33, 0x00, + 0x64, 0x00, 0x32, 0x00, 0x36, 0x00, 0x37, 0x00, 0x39, 0x00, 0x35, 0x00, 0x34, 0x00, 0x2d, 0x00, + 0x65, 0x00, 0x65, 0x00, 0x62, 0x00, 0x37, 0x00, 0x2d, 0x00, 0x31, 0x00, 0x31, 0x00, 0x64, 0x00, + 0x31, 0x00, 0x2d, 0x00, 0x62, 0x00, 0x39, 0x00, 0x34, 0x00, 0x65, 0x00, 0x2d, 0x00, 0x30, 0x00, + 0x30, 0x00, 0x63, 0x00, 0x30, 0x00, 0x34, 0x00, 0x66, 0x00, 0x61, 0x00, 0x33, 0x00, 0x30, 0x00, + 0x38, 0x00, 0x30, 0x00, 0x64, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x80, 0xd4, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x30, 0x70, 0x06, 0x09, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0x37, 0x12, + 0x06, 0x01, 0x01, 0xff, 0x04, 0x60, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x10, 0x00, 0x40, 0x00, + 0x56, 0x00, 0x49, 0x00, 0x56, 0x00, 0x41, 0x00, 0x4c, 0x00, 0x44, 0x00, 0x49, 0x00, 0x00, 0x00, + 0x35, 0x00, 0x31, 0x00, 0x38, 0x00, 0x37, 0x00, 0x39, 0x00, 0x2d, 0x00, 0x33, 0x00, 0x33, 0x00, + 0x35, 0x00, 0x2d, 0x00, 0x38, 0x00, 0x33, 0x00, 0x39, 0x00, 0x31, 0x00, 0x30, 0x00, 0x30, 0x00, + 0x37, 0x00, 0x2d, 0x00, 0x35, 0x00, 0x39, 0x00, 0x33, 0x00, 0x37, 0x00, 0x38, 0x00, 0x00, 0x00, + 0x57, 0x00, 0x4f, 0x00, 0x52, 0x00, 0x4b, 0x00, 0x47, 0x00, 0x52, 0x00, 0x4f, 0x00, 0x55, 0x00, + 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x27, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x01, 0x01, 0xff, + 0x04, 0x1d, 0x30, 0x1b, 0xa1, 0x12, 0xa4, 0x10, 0x56, 0x00, 0x49, 0x00, 0x56, 0x00, 0x41, 0x00, + 0x4c, 0x00, 0x44, 0x00, 0x49, 0x00, 0x00, 0x00, 0x82, 0x05, 0x01, 0x00, 0x00, 0x00, 0x03, 0x30, + 0x09, 0x06, 0x05, 0x2b, 0x0e, 0x03, 0x02, 0x1d, 0x05, 0x00, 0x03, 0x41, 0x00, 0xa8, 0x61, 0x11, + 0x69, 0xab, 0x41, 0xee, 0x71, 0xd0, 0xa8, 0x4c, 0x8f, 0x65, 0x9d, 0x9d, 0xaf, 0xab, 0x4f, 0x43, + 0xaf, 0xa8, 0x21, 0xb7, 0xf2, 0x2c, 0x3a, 0xa5, 0xfe, 0x9e, 0x2c, 0xbc, 0xbb, 0x5c, 0x64, 0x31, + 0x15, 0x3c, 0xdc, 0x09, 0x4c, 0x36, 0x9a, 0x2b, 0x5e, 0xe0, 0xe6, 0x07, 0x79, 0xfd, 0xcd, 0x1d, + 0x06, 0x63, 0xfa, 0xb4, 0x2c, 0xcc, 0x00, 0x25, 0x43, 0x71, 0x65, 0xff, 0xf7 }; void @@ -249,10 +284,10 @@ mcs_send_connect_response() STREAM s; int i, length; - s = iso_init(250); + s = iso_init(174 + sizeof(cacert) + sizeof(server_cert)); printf("INITLEN: %u\n", s->p - s->iso_hdr); - ber_out_header(s, MCS_CONNECT_RESPONSE, 245 + 72); + ber_out_header(s, MCS_CONNECT_RESPONSE, 169 + sizeof(cacert) + sizeof(server_cert) ); ber_out_header(s, BER_TAG_RESULT, 1); out_uint8(s, 0); @@ -261,7 +296,7 @@ mcs_send_connect_response() mcs_out_domain_params(s, 34, 2, 0, 0xffff); // dumdidum? - ber_out_header(s, BER_TAG_OCTET_STRING, 207 + 72); + ber_out_header(s, BER_TAG_OCTET_STRING, 131 + sizeof(cacert) + sizeof(server_cert)); // some unknown header of sorts out_uint8(s, 0x00); @@ -286,7 +321,7 @@ mcs_send_connect_response() out_uint8(s, 0x44); out_uint8(s, 0x6e); - length = 184 + 72; + length = 106 + sizeof(cacert) + sizeof(server_cert); // two bytes of length out_uint8(s, 0x80 | (length >> 8)); @@ -310,33 +345,25 @@ mcs_send_connect_response() // crypto info out_uint16_le(s, SEC_TAG_SRV_CRYPT); - out_uint16_le(s, 232); // length + out_uint16_le(s, 84 + sizeof(cacert) + sizeof(server_cert)); // length out_uint32_le(s, 2); // 128-bit out_uint32_le(s, 3); // high out_uint32_le(s, SEC_RANDOM_SIZE); // random_len - out_uint32_le(s, 180); // rsa_info_len + out_uint32_le(s, 32 + sizeof(cacert) + sizeof(server_cert)); // rsa_info_len out_uint8s(s, SEC_RANDOM_SIZE); // server_random - out_uint32_le(s, 1); // RDP4-style - // unknown - out_uint32_le(s, 1); - out_uint32_le(s, 1); - - out_uint16_le(s, SEC_TAG_PUBKEY); - out_uint16_le(s, 92); - out_uint32_le(s, SEC_RSA_MAGIC); - out_uint32_le(s, SEC_MODULUS_SIZE + SEC_PADDING_SIZE); // modulus_len - out_uint32_le(s, SEC_MODULUS_SIZE * 8); // modulus_bits - out_uint32_le(s, 0x3f); // unknown - out_uint8p(s, my_exponent, SEC_EXPONENT_SIZE); - out_uint8p(s, my_modulus, SEC_MODULUS_SIZE); - out_uint8s(s, SEC_PADDING_SIZE); + out_uint32_le(s, 0x80000002); // X.509 + out_uint32_le(s, 2); // number of certificates + + // CA certificate + out_uint32_le(s, sizeof(cacert)); + out_uint8p(s, cacert, sizeof(cacert)); + + // server certificate + out_uint32_le(s, sizeof(server_cert)); + out_uint8p(s, server_cert, sizeof(server_cert)); - // just copied verbatim... - out_uint16_le(s, SEC_TAG_KEYSIG); - out_uint16_le(s, 72); - out_uint8p(s, my_signature, 64); // 512 bits - out_uint8s(s, 4); // padding + out_uint8s(s, 16); // padding s_mark_end(s); iso_send(s); -- 2.39.5