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https://github.com/samba-team/samba.git
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872 lines
27 KiB
C
872 lines
27 KiB
C
/*
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* Unix SMB/CIFS implementation.
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* RPC Pipe client / server routines
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* Copyright (C) Andrew Tridgell 1992-1997,
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* Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
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* Copyright (C) Paul Ashton 1997.
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* Copyright (C) Jeremy Allison 1999.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#undef DBGC_CLASS
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#define DBGC_CLASS DBGC_RPC_PARSE
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/*******************************************************************
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interface/version dce/rpc pipe identification
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********************************************************************/
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#define TRANS_SYNT_V2 \
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{ \
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{ \
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0x8a885d04, 0x1ceb, 0x11c9, \
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{ 0x9f, 0xe8 }, \
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{ 0x08, 0x00, \
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0x2b, 0x10, 0x48, 0x60 } \
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}, 0x02 \
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}
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#define SYNT_NETLOGON_V2 \
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{ \
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{ \
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0x8a885d04, 0x1ceb, 0x11c9, \
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{ 0x9f, 0xe8 }, \
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{ 0x08, 0x00, \
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0x2b, 0x10, 0x48, 0x60 } \
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}, 0x02 \
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}
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#define SYNT_WKSSVC_V1 \
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{ \
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{ \
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0x6bffd098, 0xa112, 0x3610, \
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{ 0x98, 0x33 }, \
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{ 0x46, 0xc3, \
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0xf8, 0x7e, 0x34, 0x5a } \
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}, 0x01 \
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}
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#define SYNT_SRVSVC_V3 \
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{ \
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{ \
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0x4b324fc8, 0x1670, 0x01d3, \
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{ 0x12, 0x78 }, \
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{ 0x5a, 0x47, \
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0xbf, 0x6e, 0xe1, 0x88 } \
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}, 0x03 \
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}
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#define SYNT_LSARPC_V0 \
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{ \
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{ \
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0x12345778, 0x1234, 0xabcd, \
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{ 0xef, 0x00 }, \
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{ 0x01, 0x23, \
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0x45, 0x67, 0x89, 0xab } \
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}, 0x00 \
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}
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#define SYNT_LSARPC_V0_DS \
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{ \
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{ \
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0x3919286a, 0xb10c, 0x11d0, \
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{ 0x9b, 0xa8 }, \
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{ 0x00, 0xc0, \
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0x4f, 0xd9, 0x2e, 0xf5 } \
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}, 0x00 \
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}
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#define SYNT_SAMR_V1 \
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{ \
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{ \
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0x12345778, 0x1234, 0xabcd, \
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{ 0xef, 0x00 }, \
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{ 0x01, 0x23, \
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0x45, 0x67, 0x89, 0xac } \
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}, 0x01 \
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}
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#define SYNT_NETLOGON_V1 \
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{ \
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{ \
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0x12345678, 0x1234, 0xabcd, \
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{ 0xef, 0x00 }, \
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{ 0x01, 0x23, \
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0x45, 0x67, 0xcf, 0xfb } \
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}, 0x01 \
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}
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#define SYNT_WINREG_V1 \
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{ \
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{ \
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0x338cd001, 0x2244, 0x31f1, \
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{ 0xaa, 0xaa }, \
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{ 0x90, 0x00, \
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0x38, 0x00, 0x10, 0x03 } \
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}, 0x01 \
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}
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#define SYNT_SPOOLSS_V1 \
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{ \
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{ \
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0x12345678, 0x1234, 0xabcd, \
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{ 0xef, 0x00 }, \
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{ 0x01, 0x23, \
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0x45, 0x67, 0x89, 0xab } \
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}, 0x01 \
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}
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#define SYNT_NONE_V0 \
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{ \
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{ \
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0x0, 0x0, 0x0, \
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{ 0x00, 0x00 }, \
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{ 0x00, 0x00, \
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0x00, 0x00, 0x00, 0x00 } \
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}, 0x00 \
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}
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#define SYNT_NETDFS_V3 \
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{ \
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{ \
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0x4fc742e0, 0x4a10, 0x11cf, \
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{ 0x82, 0x73 }, \
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{ 0x00, 0xaa, \
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0x00, 0x4a, 0xe6, 0x73 } \
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}, 0x03 \
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}
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#define SYNT_ECHO_V1 \
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{ \
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{ \
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0x60a15ec5, 0x4de8, 0x11d7, \
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{ 0xa6, 0x37 }, \
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{ 0x00, 0x50, \
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0x56, 0xa2, 0x01, 0x82 } \
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}, 0x01 \
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}
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#define SYNT_SHUTDOWN_V1 \
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{ \
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{ \
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0x894de0c0, 0x0d55, 0x11d3, \
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{ 0xa3, 0x22 }, \
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{ 0x00, 0xc0, \
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0x4f, 0xa3, 0x21, 0xa1 } \
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}, 0x01 \
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}
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#define SYNT_SVCCTL_V2 \
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{ \
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{ \
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0x367abb81, 0x9844, 0x35f1, \
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{ 0xad, 0x32 }, \
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{ 0x98, 0xf0, \
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0x38, 0x00, 0x10, 0x03 } \
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}, 0x02 \
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}
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#define SYNT_EVENTLOG_V0 \
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{ \
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{ \
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0x82273fdc, 0xe32a, 0x18c3, \
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{ 0x3f, 0x78 }, \
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{ 0x82, 0x79, \
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0x29, 0xdc, 0x23, 0xea } \
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}, 0x00 \
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}
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#define SYNT_UNIXINFO_V0 \
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{ \
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{ \
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0x9c54e310, 0xa955, 0x4885, \
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{ 0xbd, 0x31 }, \
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{ 0x78, 0x78, \
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0x71, 0x47, 0xdf, 0xa6 } \
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}, 0x00 \
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}
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#define SYNT_NTSVCS_V1 \
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{ \
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{ \
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0x8d9f4e40, 0xa03d, 0x11ce, \
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{ 0x8f, 0x69}, \
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{ 0x08, 0x00, \
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0x3e, 0x30, 0x05, 0x1b } \
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}, 0x01 \
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}
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#define SYNT_EPMAPPER_V3 \
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{ \
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{ \
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0xe1af8308, 0x5d1f,0x11c9, \
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{ 0x91,0xa4}, \
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{0x08,0x00, \
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0x2b,0x14,0xa0,0xfa} \
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}, 0x03 \
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}
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/*
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* IMPORTANT!! If you update this structure, make sure to
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* update the index #defines in smb.h.
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*/
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const struct pipe_id_info pipe_names [] =
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{
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/* client pipe , abstract syntax , server pipe , transfer syntax */
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{ PIPE_LSARPC , SYNT_LSARPC_V0 , PIPE_LSASS , TRANS_SYNT_V2 },
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{ PIPE_LSARPC , SYNT_LSARPC_V0_DS , PIPE_LSASS , TRANS_SYNT_V2 },
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{ PIPE_SAMR , SYNT_SAMR_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
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{ PIPE_NETLOGON, SYNT_NETLOGON_V1 , PIPE_LSASS , TRANS_SYNT_V2 },
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{ PIPE_SRVSVC , SYNT_SRVSVC_V3 , PIPE_NTSVCS , TRANS_SYNT_V2 },
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{ PIPE_WKSSVC , SYNT_WKSSVC_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
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{ PIPE_WINREG , SYNT_WINREG_V1 , PIPE_WINREG , TRANS_SYNT_V2 },
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{ PIPE_SPOOLSS , SYNT_SPOOLSS_V1 , PIPE_SPOOLSS , TRANS_SYNT_V2 },
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{ PIPE_NETDFS , SYNT_NETDFS_V3 , PIPE_NETDFS , TRANS_SYNT_V2 },
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{ PIPE_ECHO , SYNT_ECHO_V1 , PIPE_ECHO , TRANS_SYNT_V2 },
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{ PIPE_SHUTDOWN, SYNT_SHUTDOWN_V1 , PIPE_SHUTDOWN , TRANS_SYNT_V2 },
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{ PIPE_SVCCTL , SYNT_SVCCTL_V2 , PIPE_NTSVCS , TRANS_SYNT_V2 },
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{ PIPE_EVENTLOG, SYNT_EVENTLOG_V0 , PIPE_EVENTLOG , TRANS_SYNT_V2 },
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{ PIPE_UNIXINFO, SYNT_UNIXINFO_V0 , PIPE_UNIXINFO , TRANS_SYNT_V2 },
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{ PIPE_NTSVCS , SYNT_NTSVCS_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 },
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{ PIPE_EPMAPPER, SYNT_EPMAPPER_V3 , PIPE_EPMAPPER , TRANS_SYNT_V2 },
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{ NULL , SYNT_NONE_V0 , NULL , SYNT_NONE_V0 }
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};
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/****************************************************************************
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Return the pipe name from the index.
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****************************************************************************/
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const char *cli_get_pipe_name(int pipe_idx)
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{
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return &pipe_names[pipe_idx].client_pipe[5];
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}
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/*******************************************************************
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Inits an RPC_HDR structure.
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********************************************************************/
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void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
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uint32 call_id, int data_len, int auth_len)
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{
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hdr->major = 5; /* RPC version 5 */
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hdr->minor = 0; /* minor version 0 */
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hdr->pkt_type = pkt_type; /* RPC packet type */
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hdr->flags = flags; /* dce/rpc flags */
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hdr->pack_type[0] = 0x10; /* little-endian data representation */
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hdr->pack_type[1] = 0; /* packed data representation */
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hdr->pack_type[2] = 0; /* packed data representation */
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hdr->pack_type[3] = 0; /* packed data representation */
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hdr->frag_len = data_len; /* fragment length, fill in later */
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hdr->auth_len = auth_len; /* authentication length */
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hdr->call_id = call_id; /* call identifier - match incoming RPC */
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}
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/*******************************************************************
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Reads or writes an RPC_HDR structure.
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********************************************************************/
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BOOL smb_io_rpc_hdr(const char *desc, RPC_HDR *rpc, prs_struct *ps, int depth)
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{
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if (rpc == NULL)
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return False;
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prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
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depth++;
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if(!prs_uint8 ("major ", ps, depth, &rpc->major))
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return False;
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if(!prs_uint8 ("minor ", ps, depth, &rpc->minor))
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return False;
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if(!prs_uint8 ("pkt_type ", ps, depth, &rpc->pkt_type))
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return False;
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if(!prs_uint8 ("flags ", ps, depth, &rpc->flags))
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return False;
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/* We always marshall in little endian format. */
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if (MARSHALLING(ps))
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rpc->pack_type[0] = 0x10;
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if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
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return False;
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if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
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return False;
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if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
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return False;
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if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
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return False;
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/*
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* If reading and pack_type[0] == 0 then the data is in big-endian
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* format. Set the flag in the prs_struct to specify reverse-endainness.
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*/
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if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
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DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
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prs_set_endian_data(ps, RPC_BIG_ENDIAN);
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}
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if(!prs_uint16("frag_len ", ps, depth, &rpc->frag_len))
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return False;
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if(!prs_uint16("auth_len ", ps, depth, &rpc->auth_len))
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return False;
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if(!prs_uint32("call_id ", ps, depth, &rpc->call_id))
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return False;
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return True;
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}
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/*******************************************************************
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Reads or writes an RPC_IFACE structure.
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********************************************************************/
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static BOOL smb_io_rpc_iface(const char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
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{
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if (ifc == NULL)
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return False;
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prs_debug(ps, depth, desc, "smb_io_rpc_iface");
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depth++;
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if (!prs_align(ps))
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return False;
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if (!smb_io_uuid( "uuid", &ifc->uuid, ps, depth))
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return False;
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if(!prs_uint32 ("version", ps, depth, &ifc->version))
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return False;
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return True;
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}
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/*******************************************************************
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Inits an RPC_ADDR_STR structure.
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********************************************************************/
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static void init_rpc_addr_str(RPC_ADDR_STR *str, const char *name)
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{
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str->len = strlen(name) + 1;
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fstrcpy(str->str, name);
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}
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/*******************************************************************
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Reads or writes an RPC_ADDR_STR structure.
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********************************************************************/
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static BOOL smb_io_rpc_addr_str(const char *desc, RPC_ADDR_STR *str, prs_struct *ps, int depth)
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{
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if (str == NULL)
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return False;
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prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
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depth++;
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if(!prs_align(ps))
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return False;
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if(!prs_uint16 ( "len", ps, depth, &str->len))
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return False;
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if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
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return False;
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return True;
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}
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/*******************************************************************
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Inits an RPC_HDR_BBA structure.
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********************************************************************/
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static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
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{
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bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
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bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
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bba->assoc_gid = assoc_gid; /* associated group id (0x0) */
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}
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/*******************************************************************
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Reads or writes an RPC_HDR_BBA structure.
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********************************************************************/
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static BOOL smb_io_rpc_hdr_bba(const char *desc, RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
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{
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if (rpc == NULL)
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return False;
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prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
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depth++;
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if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
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return False;
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if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
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return False;
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if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
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return False;
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return True;
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}
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/*******************************************************************
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Inits an RPC_CONTEXT structure.
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Note the transfer pointer must remain valid until this is marshalled.
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********************************************************************/
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void init_rpc_context(RPC_CONTEXT *rpc_ctx, uint16 context_id, RPC_IFACE *abstract, RPC_IFACE *transfer)
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{
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rpc_ctx->context_id = context_id ; /* presentation context identifier (0x0) */
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rpc_ctx->num_transfer_syntaxes = 1 ; /* the number of syntaxes (has always been 1?)(0x1) */
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/* num and vers. of interface client is using */
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rpc_ctx->abstract = *abstract;
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/* vers. of interface to use for replies */
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rpc_ctx->transfer = transfer;
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}
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/*******************************************************************
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Inits an RPC_HDR_RB structure.
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Note the context pointer must remain valid until this is marshalled.
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********************************************************************/
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void init_rpc_hdr_rb(RPC_HDR_RB *rpc,
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uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
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RPC_CONTEXT *context)
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{
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init_rpc_hdr_bba(&rpc->bba, max_tsize, max_rsize, assoc_gid);
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rpc->num_contexts = 1;
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rpc->rpc_context = context;
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}
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/*******************************************************************
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Reads or writes an RPC_CONTEXT structure.
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********************************************************************/
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BOOL smb_io_rpc_context(const char *desc, RPC_CONTEXT *rpc_ctx, prs_struct *ps, int depth)
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{
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int i;
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if (rpc_ctx == NULL)
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return False;
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if(!prs_align(ps))
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return False;
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if(!prs_uint16("context_id ", ps, depth, &rpc_ctx->context_id ))
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return False;
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if(!prs_uint8 ("num_transfer_syntaxes", ps, depth, &rpc_ctx->num_transfer_syntaxes))
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return False;
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/* num_transfer_syntaxes must not be zero. */
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if (rpc_ctx->num_transfer_syntaxes == 0)
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return False;
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if(!smb_io_rpc_iface("", &rpc_ctx->abstract, ps, depth))
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return False;
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if (UNMARSHALLING(ps)) {
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if (!(rpc_ctx->transfer = PRS_ALLOC_MEM(ps, RPC_IFACE, rpc_ctx->num_transfer_syntaxes))) {
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return False;
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}
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}
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|
|
for (i = 0; i < rpc_ctx->num_transfer_syntaxes; i++ ) {
|
|
if (!smb_io_rpc_iface("", &rpc_ctx->transfer[i], ps, depth))
|
|
return False;
|
|
}
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_HDR_RB structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_hdr_rb(const char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth)
|
|
{
|
|
int i;
|
|
|
|
if (rpc == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb");
|
|
depth++;
|
|
|
|
if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
|
|
return False;
|
|
|
|
if(!prs_uint8("num_contexts", ps, depth, &rpc->num_contexts))
|
|
return False;
|
|
|
|
/* 3 pad bytes following - will be mopped up by the prs_align in smb_io_rpc_context(). */
|
|
|
|
/* num_contexts must not be zero. */
|
|
if (rpc->num_contexts == 0)
|
|
return False;
|
|
|
|
if (UNMARSHALLING(ps)) {
|
|
if (!(rpc->rpc_context = PRS_ALLOC_MEM(ps, RPC_CONTEXT, rpc->num_contexts))) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < rpc->num_contexts; i++ ) {
|
|
if (!smb_io_rpc_context("", &rpc->rpc_context[i], ps, depth))
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Inits an RPC_RESULTS structure.
|
|
|
|
lkclXXXX only one reason at the moment!
|
|
********************************************************************/
|
|
|
|
static void init_rpc_results(RPC_RESULTS *res,
|
|
uint8 num_results, uint16 result, uint16 reason)
|
|
{
|
|
res->num_results = num_results; /* the number of results (0x01) */
|
|
res->result = result ; /* result (0x00 = accept) */
|
|
res->reason = reason ; /* reason (0x00 = no reason specified) */
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_RESULTS structure.
|
|
|
|
lkclXXXX only one reason at the moment!
|
|
********************************************************************/
|
|
|
|
static BOOL smb_io_rpc_results(const char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
|
|
{
|
|
if (res == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_results");
|
|
depth++;
|
|
|
|
if(!prs_align(ps))
|
|
return False;
|
|
|
|
if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
|
|
return False;
|
|
|
|
if(!prs_align(ps))
|
|
return False;
|
|
|
|
if(!prs_uint16("result ", ps, depth, &res->result))
|
|
return False;
|
|
if(!prs_uint16("reason ", ps, depth, &res->reason))
|
|
return False;
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Init an RPC_HDR_BA structure.
|
|
|
|
lkclXXXX only one reason at the moment!
|
|
|
|
********************************************************************/
|
|
|
|
void init_rpc_hdr_ba(RPC_HDR_BA *rpc,
|
|
uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
|
|
const char *pipe_addr,
|
|
uint8 num_results, uint16 result, uint16 reason,
|
|
RPC_IFACE *transfer)
|
|
{
|
|
init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
|
|
init_rpc_addr_str(&rpc->addr, pipe_addr);
|
|
init_rpc_results (&rpc->res, num_results, result, reason);
|
|
|
|
/* the transfer syntax from the request */
|
|
memcpy(&rpc->transfer, transfer, sizeof(rpc->transfer));
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_HDR_BA structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_hdr_ba(const char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
|
|
{
|
|
if (rpc == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
|
|
depth++;
|
|
|
|
if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
|
|
return False;
|
|
if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
|
|
return False;
|
|
if(!smb_io_rpc_results("", &rpc->res, ps, depth))
|
|
return False;
|
|
if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
|
|
return False;
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Init an RPC_HDR_REQ structure.
|
|
********************************************************************/
|
|
|
|
void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
|
|
{
|
|
hdr->alloc_hint = alloc_hint; /* allocation hint */
|
|
hdr->context_id = 0; /* presentation context identifier */
|
|
hdr->opnum = opnum; /* opnum */
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_HDR_REQ structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_hdr_req(const char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
|
|
{
|
|
if (rpc == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
|
|
depth++;
|
|
|
|
if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
|
|
return False;
|
|
if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
|
|
return False;
|
|
if(!prs_uint16("opnum ", ps, depth, &rpc->opnum))
|
|
return False;
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_HDR_RESP structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_hdr_resp(const char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
|
|
{
|
|
if (rpc == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
|
|
depth++;
|
|
|
|
if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
|
|
return False;
|
|
if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
|
|
return False;
|
|
if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
|
|
return False;
|
|
if(!prs_uint8 ("reserved ", ps, depth, &rpc->reserved))
|
|
return False;
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_HDR_FAULT structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
|
|
{
|
|
if (rpc == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
|
|
depth++;
|
|
|
|
if(!prs_dcerpc_status("status ", ps, depth, &rpc->status))
|
|
return False;
|
|
if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
|
|
return False;
|
|
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Inits an RPC_HDR_AUTH structure.
|
|
********************************************************************/
|
|
|
|
void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
|
|
uint8 auth_type, uint8 auth_level,
|
|
uint8 auth_pad_len,
|
|
uint32 auth_context_id)
|
|
{
|
|
rai->auth_type = auth_type;
|
|
rai->auth_level = auth_level;
|
|
rai->auth_pad_len = auth_pad_len;
|
|
rai->auth_reserved = 0;
|
|
rai->auth_context_id = auth_context_id;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_HDR_AUTH structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
|
|
{
|
|
if (rai == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
|
|
depth++;
|
|
|
|
if(!prs_align(ps))
|
|
return False;
|
|
|
|
if(!prs_uint8 ("auth_type ", ps, depth, &rai->auth_type))
|
|
return False;
|
|
if(!prs_uint8 ("auth_level ", ps, depth, &rai->auth_level))
|
|
return False;
|
|
if(!prs_uint8 ("auth_pad_len ", ps, depth, &rai->auth_pad_len))
|
|
return False;
|
|
if(!prs_uint8 ("auth_reserved", ps, depth, &rai->auth_reserved))
|
|
return False;
|
|
if(!prs_uint32("auth_context_id", ps, depth, &rai->auth_context_id))
|
|
return False;
|
|
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
Checks an RPC_AUTH_VERIFIER structure.
|
|
********************************************************************/
|
|
|
|
BOOL rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
|
|
const char *signature, uint32 msg_type)
|
|
{
|
|
return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
|
|
}
|
|
|
|
/*******************************************************************
|
|
Inits an RPC_AUTH_VERIFIER structure.
|
|
********************************************************************/
|
|
|
|
void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
|
|
const char *signature, uint32 msg_type)
|
|
{
|
|
fstrcpy(rav->signature, signature); /* "NTLMSSP" */
|
|
rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_AUTH_VERIFIER structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_auth_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
|
|
{
|
|
if (rav == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
|
|
depth++;
|
|
|
|
/* "NTLMSSP" */
|
|
if(!prs_string("signature", ps, depth, rav->signature,
|
|
sizeof(rav->signature)))
|
|
return False;
|
|
if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
|
|
return False;
|
|
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
This parses an RPC_AUTH_VERIFIER for schannel. I think
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_schannel_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
|
|
{
|
|
if (rav == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_schannel_verifier");
|
|
depth++;
|
|
|
|
if(!prs_string("signature", ps, depth, rav->signature, sizeof(rav->signature)))
|
|
return False;
|
|
if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type))
|
|
return False;
|
|
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
creates an RPC_AUTH_SCHANNEL_NEG structure.
|
|
********************************************************************/
|
|
|
|
void init_rpc_auth_schannel_neg(RPC_AUTH_SCHANNEL_NEG *neg,
|
|
const char *domain, const char *myname)
|
|
{
|
|
neg->type1 = 0;
|
|
neg->type2 = 0x3;
|
|
fstrcpy(neg->domain, domain);
|
|
fstrcpy(neg->myname, myname);
|
|
}
|
|
|
|
/*******************************************************************
|
|
Reads or writes an RPC_AUTH_SCHANNEL_NEG structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_auth_schannel_neg(const char *desc, RPC_AUTH_SCHANNEL_NEG *neg,
|
|
prs_struct *ps, int depth)
|
|
{
|
|
if (neg == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_neg");
|
|
depth++;
|
|
|
|
if(!prs_align(ps))
|
|
return False;
|
|
|
|
if(!prs_uint32("type1", ps, depth, &neg->type1))
|
|
return False;
|
|
if(!prs_uint32("type2", ps, depth, &neg->type2))
|
|
return False;
|
|
if(!prs_string("domain ", ps, depth, neg->domain, sizeof(neg->domain)))
|
|
return False;
|
|
if(!prs_string("myname ", ps, depth, neg->myname, sizeof(neg->myname)))
|
|
return False;
|
|
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
reads or writes an RPC_AUTH_SCHANNEL_CHK structure.
|
|
********************************************************************/
|
|
|
|
BOOL smb_io_rpc_auth_schannel_chk(const char *desc, int auth_len,
|
|
RPC_AUTH_SCHANNEL_CHK * chk,
|
|
prs_struct *ps, int depth)
|
|
{
|
|
if (chk == NULL)
|
|
return False;
|
|
|
|
prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_chk");
|
|
depth++;
|
|
|
|
if ( !prs_uint8s(False, "sig ", ps, depth, chk->sig, sizeof(chk->sig)) )
|
|
return False;
|
|
|
|
if ( !prs_uint8s(False, "seq_num", ps, depth, chk->seq_num, sizeof(chk->seq_num)) )
|
|
return False;
|
|
|
|
if ( !prs_uint8s(False, "packet_digest", ps, depth, chk->packet_digest, sizeof(chk->packet_digest)) )
|
|
return False;
|
|
|
|
if ( auth_len == RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN ) {
|
|
if ( !prs_uint8s(False, "confounder", ps, depth, chk->confounder, sizeof(chk->confounder)) )
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|