source/utils/profiles.c

   1 /*
   2    Samba Unix/Linux SMB client utility profiles.c
   3
   4    Copyright (C) Richard Sharpe, <rsharpe@richardsharpe.com>   2002
   5    Copyright (C) Jelmer Vernooij (conversion to popt)          2003
   6    Copyright (C) Gerald (Jerry) Carter                         2005
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #include "includes.h"
  24 #include "regfio.h"
  25
  26 /* GLOBAL VARIABLES */
  27
  28 DOM_SID old_sid, new_sid;
  29 int change = 0, new_val = 0;
  30
  31
  32 /********************************************************************
  33 ********************************************************************/
  34
  35 static BOOL swap_sid_in_acl( SEC_DESC *sd, DOM_SID *s1, DOM_SID *s2 )
  36 {
  37         SEC_ACL *acl = sd->dacl;
  38         int i;
  39         BOOL update = False;
  40
  41         if ( sid_equal( sd->owner_sid, s1 ) ) {
  42                 sid_copy( sd->owner_sid, s2 );
  43                 update = True;
  44         }
  45
  46         if ( sid_equal( sd->grp_sid, s1 ) ) {
  47                 sid_copy( sd->grp_sid, s2 );
  48                 update = True;
  49         }
  50
  51         for ( i=0; i<acl->num_aces; i++ ) {
  52                 if ( sid_equal( &acl->ace[i].trustee, s1 ) ) {
  53                         sid_copy( &acl->ace[i].trustee, s2 );
  54                         update = True;
  55                 }
  56         }
  57
  58         return update;
  59 }
  60
  61 /********************************************************************
  62 ********************************************************************/
  63
  64 static BOOL copy_registry_tree( REGF_FILE *infile, REGF_NK_REC *nk,
  65                                 REGF_NK_REC *parent, REGF_FILE *outfile,
  66                                 const char *parentpath  )
  67 {
  68         REGF_NK_REC *key, *subkey;
  69         SEC_DESC *new_sd;
  70         REGVAL_CTR values;
  71         REGSUBKEY_CTR subkeys;
  72         int i;
  73         pstring path;
  74
  75         /* swap out the SIDs in the security descriptor */
  76
  77         if ( !(new_sd = dup_sec_desc( outfile->mem_ctx, nk->sec_desc->sec_desc )) ) {
  78                 fprintf( stderr, "Failed to copy security descriptor!\n" );
  79                 return False;
  80         }
  81
  82         if ( swap_sid_in_acl( new_sd, &old_sid, &new_sid ) )
  83                 DEBUG(2,("Updating ACL for %s\n", nk->keyname ));
  84
  85         regsubkey_ctr_init( &subkeys );
  86         regval_ctr_init( &values );
  87
  88         /* copy values into the REGVAL_CTR */
  89
  90         for ( i=0; i<nk->num_values; i++ ) {
  91                 regval_ctr_addvalue( &values, nk->values[i].valuename, nk->values[i].type,
  92                         nk->values[i].data, (nk->values[i].data_size & ~VK_DATA_IN_OFFSET) );
  93         }
  94
  95         /* copy subkeys into the REGSUBKEY_CTR */
  96
  97         while ( (subkey = regfio_fetch_subkey( infile, nk )) ) {
  98                 regsubkey_ctr_addkey( &subkeys, subkey->keyname );
  99         }
 100
 101         key = regfio_write_key( outfile, nk->keyname, &values, &subkeys, new_sd, parent );
 102
 103         /* write each one of the subkeys out */
 104
 105         pstr_sprintf( path, "%s%s%s", parentpath, parent ? "\\" : "", nk->keyname );
 106
 107         nk->subkey_index = 0;
 108         while ( (subkey = regfio_fetch_subkey( infile, nk )) ) {
 109                 if ( !copy_registry_tree( infile, subkey, key, outfile, path ) )
 110                         return False;
 111         }
 112
 113         regval_ctr_destroy( &values );
 114         regsubkey_ctr_destroy( &subkeys );
 115
 116         DEBUG(1,("[%s]\n", path));
 117
 118         return True;
 119 }
 120
 121 /*********************************************************************
 122 *********************************************************************/
 123
 124 int main( int argc, char *argv[] )
 125 {
 126         int opt;
 127         REGF_FILE *infile, *outfile;
 128         REGF_NK_REC *nk;
 129         pstring orig_filename, new_filename;
 130         struct poptOption long_options[] = {
 131                 POPT_AUTOHELP
 132                 { "change-sid", 'c', POPT_ARG_STRING, NULL, 'c', "Provides SID to change" },
 133                 { "new-sid", 'n', POPT_ARG_STRING, NULL, 'n', "Provides SID to change to" },
 134                 POPT_COMMON_SAMBA
 135                 POPT_COMMON_VERSION
 136                 POPT_TABLEEND
 137         };
 138         poptContext pc;
 139
 140         /* setup logging options */
 141
 142         setup_logging( "profiles", True );
 143         dbf = x_stderr;
 144         x_setbuf( x_stderr, NULL );
 145
 146         pc = poptGetContext("profiles", argc, (const char **)argv, long_options,
 147                 POPT_CONTEXT_KEEP_FIRST);
 148
 149         poptSetOtherOptionHelp(pc, "<profilefile>");
 150
 151         /* Now, process the arguments */
 152
 153         while ((opt = poptGetNextOpt(pc)) != -1) {
 154                 switch (opt) {
 155                 case 'c':
 156                         change = 1;
 157                         if (!string_to_sid(&old_sid, poptGetOptArg(pc))) {
 158                                 fprintf(stderr, "Argument to -c should be a SID in form of S-1-5-...\n");
 159                                 poptPrintUsage(pc, stderr, 0);
 160                                 exit(254);
 161                         }
 162                         break;
 163
 164                 case 'n':
 165                         new_val = 1;
 166                         if (!string_to_sid(&new_sid, poptGetOptArg(pc))) {
 167                                 fprintf(stderr, "Argument to -n should be a SID in form of S-1-5-...\n");
 168                                 poptPrintUsage(pc, stderr, 0);
 169                                 exit(253);
 170                         }
 171                         break;
 172
 173                 }
 174         }
 175
 176         poptGetArg(pc);
 177
 178         if (!poptPeekArg(pc)) {
 179                 poptPrintUsage(pc, stderr, 0);
 180                 exit(1);
 181         }
 182
 183         if ((!change & new_val) || (change & !new_val)) {
 184                 fprintf(stderr, "You must specify both -c and -n if one or the other is set!\n");
 185                 poptPrintUsage(pc, stderr, 0);
 186                 exit(252);
 187         }
 188
 189         pstrcpy( orig_filename, poptPeekArg(pc) );
 190         pstr_sprintf( new_filename, "%s.new", orig_filename );
 191
 192         if ( !(infile = regfio_open( orig_filename, O_RDONLY, 0 )) ) {
 193                 fprintf( stderr, "Failed to open %s!\n", orig_filename );
 194                 fprintf( stderr, "Error was (%s)\n", strerror(errno) );
 195                 exit (1);
 196         }
 197
 198         if ( !(outfile = regfio_open( new_filename, (O_RDWR|O_CREAT|O_TRUNC), (S_IREAD|S_IWRITE) )) ) {
 199                 fprintf( stderr, "Failed to open new file %s!\n", new_filename );
 200                 fprintf( stderr, "Error was (%s)\n", strerror(errno) );
 201                 exit (1);
 202         }
 203
 204         /* actually do the update now */
 205
 206         nk = regfio_rootkey( infile );
 207
 208         if ( !copy_registry_tree( infile, nk, NULL, outfile, "" ) ) {
 209                 fprintf(stderr, "Failed to write updated registry file!\n");
 210                 exit(2);
 211         }
 212
 213         /* cleanup */
 214
 215         regfio_close( infile );
 216         regfio_close( outfile );
 217
 218         poptFreeContext(pc);
 219
 220         exit( 0 );
 221 }