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/*
Samba Unix/Linux SMB client utility profiles.c
Copyright (C) Richard Sharpe, <rsharpe@richardsharpe.com> 2002
Copyright (C) Jelmer Vernooij (conversion to popt) 2003
Copyright (C) Gerald (Jerry) Carter 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "regfio.h"
/* GLOBAL VARIABLES */
DOM_SID old_sid, new_sid;
int change = 0, new_val = 0;
/********************************************************************
********************************************************************/
static BOOL swap_sid_in_acl( SEC_DESC *sd, DOM_SID *s1, DOM_SID *s2 )
{
SEC_ACL *acl = sd->dacl;
int i;
BOOL update = False;
if ( sid_equal( sd->owner_sid, s1 ) ) {
sid_copy( sd->owner_sid, s2 );
update = True;
}
if ( sid_equal( sd->grp_sid, s1 ) ) {
sid_copy( sd->grp_sid, s2 );
update = True;
}
for ( i=0; i<acl->num_aces; i++ ) {
if ( sid_equal( &acl->ace[i].trustee, s1 ) ) {
sid_copy( &acl->ace[i].trustee, s2 );
update = True;
}
}
return update;
}
/********************************************************************
********************************************************************/
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;
pstring path;
/* 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;
}
if ( swap_sid_in_acl( new_sd, &old_sid, &new_sid ) )
DEBUG(1,("Updating ACL for %s\n", nk->keyname ));
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 );
}
key = regfio_write_key( outfile, nk->keyname, &values, &subkeys, new_sd, parent );
/* 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 );
DEBUG(2,("[%s]\n", path));
return True;
}
/*********************************************************************
*********************************************************************/
int main( int argc, char *argv[] )
{
int opt;
REGF_FILE *infile, *outfile;
REGF_NK_REC *nk;
pstring orig_filename, new_filename;
struct poptOption long_options[] = {
POPT_AUTOHELP
{ "change-sid", 'c', POPT_ARG_STRING, NULL, 'c', "Provides SID to change" },
{ "new-sid", 'n', POPT_ARG_STRING, NULL, 'n', "Provides SID to change to" },
POPT_COMMON_SAMBA
POPT_COMMON_VERSION
POPT_TABLEEND
};
poptContext pc;
/* setup logging options */
setup_logging( "profiles", True );
dbf = x_stderr;
x_setbuf( x_stderr, NULL );
pc = poptGetContext("profiles", argc, (const char **)argv, long_options,
POPT_CONTEXT_KEEP_FIRST);
poptSetOtherOptionHelp(pc, "<profilefile>");
/* Now, process the arguments */
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
case 'c':
change = 1;
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);
}
break;
case 'n':
new_val = 1;
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;
}
}
poptGetArg(pc);
if (!poptPeekArg(pc)) {
poptPrintUsage(pc, stderr, 0);
exit(1);
}
if ((!change & new_val) || (change & !new_val)) {
fprintf(stderr, "You must specify both -c and -n if one or the other is set!\n");
poptPrintUsage(pc, stderr, 0);
exit(252);
}
pstrcpy( orig_filename, poptPeekArg(pc) );
pstr_sprintf( new_filename, "%s.new", orig_filename );
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);
}
/* cleanup */
regfio_close( infile );
regfio_close( outfile );
poptFreeContext(pc);
exit( 0 );
}
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