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r9628: rewrite profiles tool to use the regfio code.
Still have one bug to track down in it though....
(This used to be commit e69df2d205)
This commit is contained in:
Gerald Carter
Gerald (Jerry) Carter
parent
52188859e7
commit
83f44fc187
@ -328,7 +328,10 @@ CHARSET_MACOSXFS_OBJ = modules/charset_macosxfs.o
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GROUPDB_OBJ = groupdb/mapping.o
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PROFILE_OBJ = profile/profile.o
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PROFILES_OBJ = utils/profiles.o
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PROFILES_OBJ = utils/profiles.o lib/dummysmbd.o \
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$(REGFIO_OBJ) $(REGOBJS_OBJ) $(ERRORMAP_OBJ) \
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$(LIB_OBJ) $(RPC_PARSE_OBJ1) $(PARAM_OBJ) $(LIBSAMBA_OBJ) \
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$(DOSERR_OBJ)
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OPLOCK_OBJ = smbd/oplock.o smbd/oplock_irix.o smbd/oplock_linux.o
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@ -1,7 +1,9 @@
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/*
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Samba Unix/Linux SMB client utility profiles.c
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Copyright (C) 2002 Richard Sharpe, rsharpe@richardsharpe.com
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Copyright (C) 2003 Jelmer Vernooij (conversion to popt)
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Copyright (C) Richard Sharpe, <rsharpe@richardsharpe.com> 2002
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Copyright (C) Jelmer Vernooij (conversion to popt) 2003
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Copyright (C) Gerald (Jerry) Carter 2005
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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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@ -15,521 +17,108 @@
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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, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*************************************************************************
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A utility to report and change SIDs in registry files
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Many of the ideas in here come from other people and software.
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I first looked in Wine in misc/registry.c and was also influenced by
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http://www.wednesday.demon.co.uk/dosreg.html
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Which seems to contain comments from someone else. I reproduce them here
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incase the site above disappears. It actually comes from
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http://home.eunet.no/~pnordahl/ntpasswd/WinReg.txt.
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The windows NT registry has 2 different blocks, where one can occure many
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times...
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the "regf"-Block
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================
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"regf" is obviously the abbreviation for "Registry file". "regf" is the
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signature of the header-block which is always 4kb in size, although only
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the first 64 bytes seem to be used and a checksum is calculated over
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the first 0x200 bytes only!
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Offset Size Contents
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0x00000000 D-Word ID: ASCII-"regf" = 0x66676572
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0x00000004 D-Word ???? //see struct REGF
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0x00000008 D-Word ???? Always the same value as at 0x00000004
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0x0000000C Q-Word last modify date in WinNT date-format
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0x00000014 D-Word 1
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0x00000018 D-Word 3
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0x0000001C D-Word 0
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0x00000020 D-Word 1
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0x00000024 D-Word Offset of 1st key record
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0x00000028 D-Word Size of the data-blocks (Filesize-4kb)
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0x0000002C D-Word 1
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0x000001FC D-Word Sum of all D-Words from 0x00000000 to
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0x000001FB //XOR of all words. Nigel
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I have analyzed more registry files (from multiple machines running
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NT 4.0 german version) and could not find an explanation for the values
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marked with ???? the rest of the first 4kb page is not important...
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the "hbin"-Block
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================
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I don't know what "hbin" stands for, but this block is always a multiple
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of 4kb in size.
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Inside these hbin-blocks the different records are placed. The memory-
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management looks like a C-compiler heap management to me...
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hbin-Header
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===========
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Offset Size Contents
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0x0000 D-Word ID: ASCII-"hbin" = 0x6E696268
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0x0004 D-Word Offset from the 1st hbin-Block
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0x0008 D-Word Offset to the next hbin-Block
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0x001C D-Word Block-size
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The values in 0x0008 and 0x001C should be the same, so I don't know
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if they are correct or swapped...
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From offset 0x0020 inside a hbin-block data is stored with the following
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format:
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Offset Size Contents
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0x0000 D-Word Data-block size //this size must be a
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multiple of 8. Nigel
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0x0004 ???? Data
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If the size field is negative (bit 31 set), the corresponding block
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is free and has a size of -blocksize!
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The data is stored as one record per block. Block size is a multiple
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of 4 and the last block reaches the next hbin-block, leaving no room.
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Records in the hbin-blocks
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==========================
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nk-Record
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The nk-record can be treated as a kombination of tree-record and
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key-record of the win 95 registry.
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lf-Record
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The lf-record is the counterpart to the RGKN-record (the
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hash-function)
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vk-Record
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The vk-record consists information to a single value.
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sk-Record
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sk (? Security Key ?) is the ACL of the registry.
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Value-Lists
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The value-lists contain information about which values are inside a
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sub-key and don't have a header.
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Datas
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The datas of the registry are (like the value-list) stored without a
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header.
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All offset-values are relative to the first hbin-block and point to the
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block-size field of the record-entry. to get the file offset, you have to add
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the header size (4kb) and the size field (4 bytes)...
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the nk-Record
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=============
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Offset Size Contents
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0x0000 Word ID: ASCII-"nk" = 0x6B6E
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0x0002 Word for the root-key: 0x2C, otherwise 0x20 //key symbolic links 0x10. Nigel
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0x0004 Q-Word write-date/time in windows nt notation
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0x0010 D-Word Offset of Owner/Parent key
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0x0014 D-Word number of sub-Keys
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0x001C D-Word Offset of the sub-key lf-Records
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0x0024 D-Word number of values
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0x0028 D-Word Offset of the Value-List
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0x002C D-Word Offset of the sk-Record
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0x0030 D-Word Offset of the Class-Name //see NK structure for the use of these fields. Nigel
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0x0044 D-Word Unused (data-trash) //some kind of run time index. Does not appear to be important. Nigel
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0x0048 Word name-length
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0x004A Word class-name length
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0x004C ???? key-name
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the Value-List
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==============
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Offset Size Contents
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0x0000 D-Word Offset 1st Value
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0x0004 D-Word Offset 2nd Value
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0x???? D-Word Offset nth Value
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To determine the number of values, you have to look at the owner-nk-record!
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Der vk-Record
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=============
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Offset Size Contents
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0x0000 Word ID: ASCII-"vk" = 0x6B76
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0x0002 Word name length
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0x0004 D-Word length of the data //if top bit is set when offset contains data. Nigel
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0x0008 D-Word Offset of Data
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0x000C D-Word Type of value
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0x0010 Word Flag
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0x0012 Word Unused (data-trash)
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0x0014 ???? Name
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If bit 0 of the flag-word is set, a name is present, otherwise the value has no name (=default)
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If the data-size is lower 5, the data-offset value is used to store the data itself!
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The data-types
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==============
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Wert Beteutung
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0x0001 RegSZ: character string (in UNICODE!)
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0x0002 ExpandSZ: string with "%var%" expanding (UNICODE!)
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0x0003 RegBin: raw-binary value
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0x0004 RegDWord: Dword
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0x0007 RegMultiSZ: multiple strings, separated with 0
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(UNICODE!)
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The "lf"-record
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===============
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Offset Size Contents
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0x0000 Word ID: ASCII-"lf" = 0x666C
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0x0002 Word number of keys
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0x0004 ???? Hash-Records
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Hash-Record
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===========
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Offset Size Contents
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0x0000 D-Word Offset of corresponding "nk"-Record
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0x0004 D-Word ASCII: the first 4 characters of the key-name, padded with 0's. Case sensitiv!
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Keep in mind, that the value at 0x0004 is used for checking the data-consistency! If you change the
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key-name you have to change the hash-value too!
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//These hashrecords must be sorted low to high within the lf record. Nigel.
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The "sk"-block
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==============
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(due to the complexity of the SAM-info, not clear jet)
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Offset Size Contents
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0x0000 Word ID: ASCII-"sk" = 0x6B73
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0x0002 Word Unused
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0x0004 D-Word Offset of previous "sk"-Record
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0x0008 D-Word Offset of next "sk"-Record
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0x000C D-Word usage-counter
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0x0010 D-Word Size of "sk"-record in bytes
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???? //standard self
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relative security desciptor. Nigel
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???? ???? Security and auditing settings...
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????
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The usage counter counts the number of references to this
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"sk"-record. You can use one "sk"-record for the entire registry!
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Windows nt date/time format
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===========================
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The time-format is a 64-bit integer which is incremented every
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0,0000001 seconds by 1 (I don't know how accurate it realy is!)
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It starts with 0 at the 1st of january 1601 0:00! All values are
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stored in GMT time! The time-zone is important to get the real
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time!
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Common values for win95 and win-nt
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==================================
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Offset values marking an "end of list", are either 0 or -1 (0xFFFFFFFF).
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If a value has no name (length=0, flag(bit 0)=0), it is treated as the
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"Default" entry...
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If a value has no data (length=0), it is displayed as empty.
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simplyfied win-3.?? registry:
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=============================
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+-----------+
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| next rec. |---+ +----->+------------+
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| first sub | | | | Usage cnt. |
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| name | | +-->+------------+ | | length |
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| value | | | | next rec. | | | text |------->+-------+
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+-----------+ | | | name rec. |--+ +------------+ | xxxxx |
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+------------+ | | value rec. |-------->+------------+ +-------+
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v | +------------+ | Usage cnt. |
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+-----------+ | | length |
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| next rec. | | | text |------->+-------+
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| first sub |------+ +------------+ | xxxxx |
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| name | +-------+
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| value |
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+-----------+
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Greatly simplyfied structure of the nt-registry:
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================================================
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+---------------------------------------------------------------+
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| |
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v |
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+---------+ +---------->+-----------+ +----->+---------+ |
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| "nk" | | | lf-rec. | | | nk-rec. | |
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| ID | | | # of keys | | | parent |---+
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| Date | | | 1st key |--+ | .... |
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| parent | | +-----------+ +---------+
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| suk-keys|-----+
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| values |--------------------->+----------+
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| SK-rec. |---------------+ | 1. value |--> +----------+
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| class |--+ | +----------+ | vk-rec. |
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+---------+ | | | .... |
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v | | data |--> +-------+
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+------------+ | +----------+ | xxxxx |
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| Class name | | +-------+
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+------------+ |
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v
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+---------+ +---------+
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+----->| next sk |--->| Next sk |--+
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| +---| prev sk |<---| prev sk | |
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| | | .... | | ... | |
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| | +---------+ +---------+ |
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| | ^ | |
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| +----------+ |
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+-------------------------------+
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---------------------------------------------------------------------------
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Hope this helps.... (Although it was "fun" for me to uncover this things,
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it took me several sleepless nights ;)
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B.D.
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*************************************************************************/
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#include "includes.h"
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#include <stdio.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "regfio.h"
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typedef unsigned int DWORD;
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typedef unsigned short WORD;
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/* GLOBAL VARIABLES */
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#define REG_REGF_ID 0x66676572
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typedef struct regf_block {
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DWORD REGF_ID; /* regf */
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DWORD uk1;
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DWORD uk2;
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DWORD tim1, tim2;
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DWORD uk3; /* 1 */
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DWORD uk4; /* 3 */
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DWORD uk5; /* 0 */
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DWORD uk6; /* 1 */
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DWORD first_key; /* offset */
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unsigned int dblk_size;
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DWORD uk7[116]; /* 1 */
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DWORD chksum;
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} REGF_HDR;
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typedef struct hbin_sub_struct {
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DWORD dblocksize;
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char data[1];
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} HBIN_SUB_HDR;
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#define REG_HBIN_ID 0x6E696268
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typedef struct hbin_struct {
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DWORD HBIN_ID; /* hbin */
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DWORD next_off;
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DWORD prev_off;
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DWORD uk1;
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DWORD uk2;
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DWORD uk3;
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DWORD uk4;
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DWORD blk_size;
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HBIN_SUB_HDR hbin_sub_hdr;
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} HBIN_HDR;
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#define REG_NK_ID 0x6B6E
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typedef struct nk_struct {
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WORD NK_ID;
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WORD type;
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DWORD t1, t2;
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DWORD uk1;
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DWORD own_off;
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DWORD subk_num;
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DWORD uk2;
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DWORD lf_off;
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DWORD uk3;
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DWORD val_cnt;
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DWORD val_off;
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DWORD sk_off;
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DWORD clsnam_off;
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} NK_HDR;
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#define REG_SK_ID 0x6B73
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typedef struct sk_struct {
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WORD SK_ID;
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WORD uk1;
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DWORD prev_off;
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DWORD next_off;
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DWORD ref_cnt;
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DWORD rec_size;
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char sec_desc[1];
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} SK_HDR;
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typedef struct sec_desc_rec {
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WORD rev;
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WORD type;
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DWORD owner_off;
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DWORD group_off;
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DWORD sacl_off;
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DWORD dacl_off;
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} MY_SEC_DESC;
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typedef struct ace_struct {
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unsigned char type;
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unsigned char flags;
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unsigned short length;
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unsigned int perms;
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DOM_SID trustee;
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} ACE;
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typedef struct acl_struct {
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WORD rev;
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WORD size;
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DWORD num_aces;
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ACE *aces; /* One or more ACEs */
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} ACL;
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#define OFF(f) (0x1000 + (f) + 4)
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static void print_sid(DOM_SID *sid);
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int verbose = 1;
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int verbose = 0;
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DOM_SID old_sid, new_sid;
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int change = 0, new_val = 0;
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/* Compare two SIDs for equality */
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static int my_sid_equal(DOM_SID *s1, DOM_SID *s2)
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{
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int sa1, sa2;
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if (s1->sid_rev_num != s2->sid_rev_num) return 0;
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sa1 = s1->num_auths; sa2 = s2->num_auths;
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if (sa1 != sa2) return 0;
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return !memcmp((char *)&s1->id_auth, (char *)&s2->id_auth,
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6 + sa1 * 4);
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}
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/*
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* Quick and dirty to read a SID in S-1-5-21-x-y-z-rid format and
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* construct a DOM_SID
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*/
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static int get_sid(DOM_SID *sid, const unsigned char *sid_str)
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{
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int i = 0, auth;
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const unsigned char *lstr;
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if (strncmp(sid_str, "S-1-5", 5)) {
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fprintf(stderr, "Does not conform to S-1-5...: %s\n", sid_str);
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return 0;
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}
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/* We only allow strings of form S-1-5... */
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sid->sid_rev_num = 1;
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sid->id_auth[5] = 5;
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lstr = sid_str + 5;
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while (1) {
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if (!lstr || !lstr[0] || sscanf(lstr, "-%u", &auth) == 0) {
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if (i < 4) {
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fprintf(stderr, "Not of form -d-d...: %s, %u\n", lstr, i);
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return 0;
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}
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sid->num_auths=i;
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print_sid(sid);
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return 1;
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}
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SIVAL(&sid->sub_auths[i], 0, auth);
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i++;
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lstr = (const unsigned char *)strchr(lstr + 1, '-');
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}
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return 1;
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}
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#if 0
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/*
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* Replace SID1, component by component with SID2
|
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* Assumes will never be called with unequal length SIDS
|
||||
* so only touches 21-x-y-z-rid portion
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* This routine does not need to deal with endianism as
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* long as the incoming SIDs are both in the same (LE) format.
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*/
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static void change_sid(DOM_SID *s1, DOM_SID *s2)
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|
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/********************************************************************
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********************************************************************/
|
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static void swap_sid_in_acl( SEC_DESC *sd, DOM_SID *s1, DOM_SID *s2 )
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||||
{
|
||||
SEC_ACL *acl = sd->dacl;
|
||||
int i;
|
||||
|
||||
for (i=0; i<s1->num_auths; i++) {
|
||||
s1->sub_auths[i] = s2->sub_auths[i];
|
||||
if ( sid_equal( sd->owner_sid, s1 ) )
|
||||
sid_copy( sd->owner_sid, s2 );
|
||||
|
||||
if ( sid_equal( sd->grp_sid, s1 ) )
|
||||
sid_copy( sd->grp_sid, s2 );
|
||||
|
||||
for ( i=0; i<acl->num_aces; i++ ) {
|
||||
if ( sid_equal( &acl->ace[i].trustee, s1 ) )
|
||||
sid_copy( &acl->ace[i].trustee, s2 );
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
/********************************************************************
|
||||
********************************************************************/
|
||||
|
||||
static void print_sid(DOM_SID *sid)
|
||||
{
|
||||
int i, comps = sid->num_auths;
|
||||
fprintf(stdout, "S-%u-%u", sid->sid_rev_num, sid->id_auth[5]);
|
||||
|
||||
for (i = 0; i < comps; i++) {
|
||||
|
||||
fprintf(stdout, "-%u", IVAL(&sid->sub_auths[i],0));
|
||||
|
||||
}
|
||||
fprintf(stdout, "\n");
|
||||
}
|
||||
|
||||
static void process_sid(DOM_SID *sid, DOM_SID *o_sid, DOM_SID *n_sid)
|
||||
static BOOL copy_registry_tree( REGF_FILE *infile, REGF_NK_REC *nk,
|
||||
REGF_NK_REC *parent, REGF_FILE *outfile,
|
||||
const char *parentpath )
|
||||
{
|
||||
REGF_NK_REC *key, *subkey;
|
||||
SEC_DESC *new_sd;
|
||||
REGVAL_CTR values;
|
||||
REGSUBKEY_CTR subkeys;
|
||||
int i;
|
||||
if (my_sid_equal(sid, o_sid)) {
|
||||
pstring path;
|
||||
|
||||
for (i=0; i<sid->num_auths; i++) {
|
||||
sid->sub_auths[i] = n_sid->sub_auths[i];
|
||||
/* swap out the SIDs in the security descriptor */
|
||||
|
||||
if ( !(new_sd = dup_sec_desc( outfile->mem_ctx, nk->sec_desc->sec_desc )) ) {
|
||||
fprintf( stderr, "Failed to copy security descriptor!\n" );
|
||||
return False;
|
||||
}
|
||||
|
||||
swap_sid_in_acl( new_sd, &old_sid, &new_sid );
|
||||
|
||||
regsubkey_ctr_init( &subkeys );
|
||||
regval_ctr_init( &values );
|
||||
|
||||
/* copy values into the REGVAL_CTR */
|
||||
|
||||
for ( i=0; i<nk->num_values; i++ ) {
|
||||
regval_ctr_addvalue( &values, nk->values[i].valuename, nk->values[i].type,
|
||||
nk->values[i].data, (nk->values[i].data_size & ~VK_DATA_IN_OFFSET) );
|
||||
}
|
||||
|
||||
/* copy subkeys into the REGSUBKEY_CTR */
|
||||
|
||||
while ( (subkey = regfio_fetch_subkey( infile, nk )) ) {
|
||||
regsubkey_ctr_addkey( &subkeys, subkey->keyname );
|
||||
}
|
||||
|
||||
static void process_acl(ACL *acl, const char *prefix)
|
||||
{
|
||||
int ace_cnt, i;
|
||||
ACE *ace;
|
||||
key = regfio_write_key( outfile, nk->keyname, &values, &subkeys, new_sd, parent );
|
||||
|
||||
ace_cnt = IVAL(&acl->num_aces, 0);
|
||||
ace = (ACE *)&acl->aces;
|
||||
if (verbose) fprintf(stdout, "%sACEs: %u\n", prefix, ace_cnt);
|
||||
for (i=0; i<ace_cnt; i++) {
|
||||
if (verbose) fprintf(stdout, "%s Perms: %08X, SID: ", prefix,
|
||||
IVAL(&ace->perms, 0));
|
||||
if (change)
|
||||
process_sid(&ace->trustee, &old_sid, &new_sid);
|
||||
print_sid(&ace->trustee);
|
||||
ace = (ACE *)((char *)ace + SVAL(&ace->length, 0));
|
||||
/* write each one of the subkeys out */
|
||||
|
||||
pstr_sprintf( path, "%s%s%s", parentpath, parent ? "\\" : "", nk->keyname );
|
||||
|
||||
nk->subkey_index = 0;
|
||||
while ( (subkey = regfio_fetch_subkey( infile, nk )) ) {
|
||||
if ( !copy_registry_tree( infile, subkey, key, outfile, path ) )
|
||||
return False;
|
||||
}
|
||||
|
||||
regval_ctr_destroy( &values );
|
||||
regsubkey_ctr_destroy( &subkeys );
|
||||
|
||||
if ( verbose )
|
||||
printf("[%s]\n", path );
|
||||
|
||||
return True;
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
*********************************************************************/
|
||||
|
||||
int main( int argc, char *argv[] )
|
||||
{
|
||||
int opt;
|
||||
int fd;
|
||||
char *base;
|
||||
struct stat sbuf;
|
||||
REGF_HDR *regf_hdr;
|
||||
HBIN_HDR *hbin_hdr;
|
||||
NK_HDR *nk_hdr;
|
||||
SK_HDR *sk_hdr;
|
||||
DWORD first_sk_off, sk_off;
|
||||
MY_SEC_DESC *sec_desc;
|
||||
REGF_FILE *infile, *outfile;
|
||||
REGF_NK_REC *nk;
|
||||
pstring orig_filename, new_filename;
|
||||
struct poptOption long_options[] = {
|
||||
POPT_AUTOHELP
|
||||
{ "verbose", 'v', POPT_ARG_NONE, NULL, 'v', "Sets verbose mode" },
|
||||
@ -538,6 +127,7 @@ int main(int argc, char *argv[])
|
||||
{ 0, 0, 0, 0 }
|
||||
};
|
||||
|
||||
|
||||
poptContext pc;
|
||||
|
||||
pc = poptGetContext("profiles", argc, (const char **)argv, long_options,
|
||||
@ -545,15 +135,13 @@ int main(int argc, char *argv[])
|
||||
|
||||
poptSetOtherOptionHelp(pc, "<profilefile>");
|
||||
|
||||
/*
|
||||
* Now, process the arguments
|
||||
*/
|
||||
/* Now, process the arguments */
|
||||
|
||||
while ((opt = poptGetNextOpt(pc)) != -1) {
|
||||
switch (opt) {
|
||||
case 'c':
|
||||
change = 1;
|
||||
if (!get_sid(&old_sid, poptGetOptArg(pc))) {
|
||||
if (!string_to_sid(&old_sid, poptGetOptArg(pc))) {
|
||||
fprintf(stderr, "Argument to -c should be a SID in form of S-1-5-...\n");
|
||||
poptPrintUsage(pc, stderr, 0);
|
||||
exit(254);
|
||||
@ -562,12 +150,11 @@ int main(int argc, char *argv[])
|
||||
|
||||
case 'n':
|
||||
new_val = 1;
|
||||
if (!get_sid(&new_sid, poptGetOptArg(pc))) {
|
||||
if (!string_to_sid(&new_sid, poptGetOptArg(pc))) {
|
||||
fprintf(stderr, "Argument to -n should be a SID in form of S-1-5-...\n");
|
||||
poptPrintUsage(pc, stderr, 0);
|
||||
exit(253);
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case 'v':
|
||||
@ -589,151 +176,36 @@ int main(int argc, char *argv[])
|
||||
exit(252);
|
||||
}
|
||||
|
||||
fd = open(poptPeekArg(pc), O_RDWR, 0000);
|
||||
pstrcpy( orig_filename, poptPeekArg(pc) );
|
||||
pstr_sprintf( new_filename, "%s.new", orig_filename );
|
||||
|
||||
if (fd < 0) {
|
||||
fprintf(stderr, "Could not open %s: %s\n", poptPeekArg(pc),
|
||||
strerror(errno));
|
||||
if ( !(infile = regfio_open( orig_filename, O_RDONLY, 0 )) ) {
|
||||
fprintf( stderr, "Failed to open %s!\n", orig_filename );
|
||||
fprintf( stderr, "Error was (%s)\n", strerror(errno) );
|
||||
exit (1);
|
||||
}
|
||||
|
||||
if ( !(outfile = regfio_open( new_filename, (O_RDWR|O_CREAT|O_TRUNC), (S_IREAD|S_IWRITE) )) ) {
|
||||
fprintf( stderr, "Failed to open new file %s!\n", new_filename );
|
||||
fprintf( stderr, "Error was (%s)\n", strerror(errno) );
|
||||
exit (1);
|
||||
}
|
||||
|
||||
/* actually do the update now */
|
||||
|
||||
nk = regfio_rootkey( infile );
|
||||
|
||||
if ( !copy_registry_tree( infile, nk, NULL, outfile, "" ) ) {
|
||||
fprintf(stderr, "Failed to write updated registry file!\n");
|
||||
exit(2);
|
||||
}
|
||||
|
||||
if (fstat(fd, &sbuf) < 0) {
|
||||
fprintf(stderr, "Could not stat file %s, %s\n", poptPeekArg(pc),
|
||||
strerror(errno));
|
||||
exit(3);
|
||||
}
|
||||
/* cleanup */
|
||||
|
||||
/*
|
||||
* Now, mmap the file into memory, check the header and start
|
||||
* dealing with the records. We are interested in the sk record
|
||||
*/
|
||||
|
||||
#ifdef HAVE_MMAP
|
||||
base = mmap(NULL, sbuf.st_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0);
|
||||
#else
|
||||
base = (char *)-1;
|
||||
errno = ENOSYS;
|
||||
#endif
|
||||
|
||||
if ((int)base == -1) {
|
||||
fprintf(stderr, "Could not mmap file: %s, %s\n", poptPeekArg(pc),
|
||||
strerror(errno));
|
||||
exit(4);
|
||||
}
|
||||
|
||||
/*
|
||||
* In what follows, and in places above, in order to work on both LE and
|
||||
* BE platforms, we have to use the Samba macros to extract SHORT, LONG
|
||||
* and associated UNSIGNED quantities from the data in the mmap'd file.
|
||||
* NOTE, however, that we do not need to do anything with memory
|
||||
* addresses that we construct from pointers in our address space.
|
||||
* For example,
|
||||
*
|
||||
* sec_desc = (MY_SEC_DESC *)&(sk_hdr->sec_desc[0]);
|
||||
*
|
||||
* is simply taking the address of a structure we already have the address
|
||||
* of in our address space, while, the fields within it, will have to
|
||||
* be accessed with the macros:
|
||||
*
|
||||
* owner_sid = (DOM_SID *)(&sk_hdr->sec_desc[0] +
|
||||
* IVAL(&sec_desc->owner_off, 0));
|
||||
*
|
||||
* Which is pulling out an offset and adding it to an existing pointer.
|
||||
*
|
||||
*/
|
||||
|
||||
regf_hdr = (REGF_HDR *)base;
|
||||
|
||||
if (verbose) fprintf(stdout, "Registry file size: %u\n", (unsigned int)sbuf.st_size);
|
||||
|
||||
if (IVAL(®f_hdr->REGF_ID, 0) != REG_REGF_ID) {
|
||||
fprintf(stderr, "Incorrect Registry file (doesn't have header ID): %s\n", poptPeekArg(pc));
|
||||
exit(5);
|
||||
}
|
||||
|
||||
if (verbose) fprintf(stdout, "First Key Off: %u, Data Block Size: %u\n",
|
||||
IVAL(®f_hdr->first_key, 0),
|
||||
IVAL(®f_hdr->dblk_size, 0));
|
||||
|
||||
hbin_hdr = (HBIN_HDR *)(base + 0x1000); /* No need for Endian stuff */
|
||||
|
||||
/*
|
||||
* This should be the hbin_hdr
|
||||
*/
|
||||
|
||||
if (IVAL(&hbin_hdr->HBIN_ID, 0) != REG_HBIN_ID) {
|
||||
fprintf(stderr, "Incorrect hbin hdr: %s\n", poptPeekArg(pc));
|
||||
exit(6);
|
||||
}
|
||||
|
||||
if (verbose) fprintf(stdout, "Next Off: %u, Prev Off: %u\n",
|
||||
IVAL(&hbin_hdr->next_off, 0),
|
||||
IVAL(&hbin_hdr->prev_off, 0));
|
||||
|
||||
nk_hdr = (NK_HDR *)(base + 0x1000 + IVAL(®f_hdr->first_key, 0) + 4);
|
||||
|
||||
if (SVAL(&nk_hdr->NK_ID, 0) != REG_NK_ID) {
|
||||
fprintf(stderr, "Incorrect NK Header: %s\n", poptPeekArg(pc));
|
||||
exit(7);
|
||||
}
|
||||
|
||||
sk_off = first_sk_off = IVAL(&nk_hdr->sk_off, 0);
|
||||
if (verbose) {
|
||||
fprintf(stdout, "Type: %0x\n", SVAL(&nk_hdr->type, 0));
|
||||
fprintf(stdout, "SK Off : %o\n", (0x1000 + sk_off + 4));
|
||||
}
|
||||
|
||||
sk_hdr = (SK_HDR *)(base + 0x1000 + sk_off + 4);
|
||||
|
||||
do {
|
||||
DOM_SID *owner_sid, *group_sid;
|
||||
ACL *sacl, *dacl;
|
||||
if (SVAL(&sk_hdr->SK_ID, 0) != REG_SK_ID) {
|
||||
fprintf(stderr, "Incorrect SK Header format: %08X\n",
|
||||
(0x1000 + sk_off + 4));
|
||||
exit(8);
|
||||
}
|
||||
if (verbose) fprintf(stdout, "Off: %08X, Refs: %u, Size: %u\n",
|
||||
sk_off, IVAL(&sk_hdr->ref_cnt, 0),
|
||||
IVAL(&sk_hdr->rec_size, 0));
|
||||
|
||||
sec_desc = (MY_SEC_DESC *)&(sk_hdr->sec_desc[0]);
|
||||
owner_sid = (DOM_SID *)(&sk_hdr->sec_desc[0] +
|
||||
IVAL(&sec_desc->owner_off, 0));
|
||||
group_sid = (DOM_SID *)(&sk_hdr->sec_desc[0] +
|
||||
IVAL(&sec_desc->group_off, 0));
|
||||
sacl = (ACL *)(&sk_hdr->sec_desc[0] +
|
||||
IVAL(&sec_desc->sacl_off, 0));
|
||||
dacl = (ACL *)(&sk_hdr->sec_desc[0] +
|
||||
IVAL(&sec_desc->dacl_off, 0));
|
||||
if (verbose)fprintf(stdout, " Owner SID: ");
|
||||
if (change) process_sid(owner_sid, &old_sid, &new_sid);
|
||||
if (verbose) print_sid(owner_sid);
|
||||
if (verbose) fprintf(stdout, " Group SID: ");
|
||||
if (change) process_sid(group_sid, &old_sid, &new_sid);
|
||||
if (verbose) print_sid(group_sid);
|
||||
fprintf(stdout, " SACL: ");
|
||||
if (!sec_desc->sacl_off) { /* LE zero == BE zero */
|
||||
if (verbose) fprintf(stdout, "NONE\n");
|
||||
}
|
||||
else
|
||||
process_acl(sacl, " ");
|
||||
if (verbose) fprintf(stdout, " DACL: ");
|
||||
if (!sec_desc->dacl_off) {
|
||||
if (verbose) fprintf(stdout, "NONE\n");
|
||||
}
|
||||
else
|
||||
process_acl(dacl, " ");
|
||||
sk_off = IVAL(&sk_hdr->prev_off, 0);
|
||||
sk_hdr = (SK_HDR *)(base + OFF(IVAL(&sk_hdr->prev_off, 0)));
|
||||
} while (sk_off != first_sk_off);
|
||||
|
||||
#ifdef HAVE_MMAP
|
||||
munmap(base, sbuf.st_size);
|
||||
#endif
|
||||
regfio_close( infile );
|
||||
regfio_close( outfile );
|
||||
|
||||
poptFreeContext(pc);
|
||||
|
||||
close(fd);
|
||||
return 0;
|
||||
exit( 0 );
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user