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 BOOL opt_verbose = False;
  31
  32 /********************************************************************
  33 ********************************************************************/
  34
  35 static void verbose_output(const char *format, ...) PRINTF_ATTRIBUTE(1,2);
  36 static void verbose_output(const char *format, ...)
  37 {
  38         va_list args;
  39         char *var = NULL;
  40
  41         if (!opt_verbose) {
  42                 return;
  43         }
  44
  45         va_start(args, format);
  46         if ((vasprintf(&var, format, args)) == -1) {
  47                 va_end(args);
  48                 return;
  49         }
  50
  51         fprintf(stdout, var);
  52         va_end(args);
  53         SAFE_FREE(var);
  54 }
  55
  56 /********************************************************************
  57 ********************************************************************/
  58
  59 static BOOL swap_sid_in_acl( SEC_DESC *sd, DOM_SID *s1, DOM_SID *s2 )
  60 {
  61         SEC_ACL *acl;
  62         int i;
  63         BOOL update = False;
  64
  65         verbose_output("  Owner SID: %s\n", sid_string_static(sd->owner_sid));
  66         if ( sid_equal( sd->owner_sid, s1 ) ) {
  67                 sid_copy( sd->owner_sid, s2 );
  68                 update = True;
  69                 verbose_output("  New Owner SID: %s\n",
  70                         sid_string_static(sd->owner_sid));
  71
  72         }
  73
  74         verbose_output("  Group SID: %s\n", sid_string_static(sd->group_sid));
  75         if ( sid_equal( sd->group_sid, s1 ) ) {
  76                 sid_copy( sd->group_sid, s2 );
  77                 update = True;
  78                 verbose_output("  New Group SID: %s\n",
  79                         sid_string_static(sd->group_sid));
  80         }
  81
  82         acl = sd->dacl;
  83         verbose_output("  DACL: %d entries:\n", acl->num_aces);
  84         for ( i=0; i<acl->num_aces; i++ ) {
  85                 verbose_output("    Trustee SID: %s\n",
  86                         sid_string_static(&acl->aces[i].trustee));
  87                 if ( sid_equal( &acl->aces[i].trustee, s1 ) ) {
  88                         sid_copy( &acl->aces[i].trustee, s2 );
  89                         update = True;
  90                         verbose_output("    New Trustee SID: %s\n",
  91                                 sid_string_static(&acl->aces[i].trustee));
  92                 }
  93         }
  94
  95 #if 0
  96         acl = sd->sacl;
  97         verbose_output("  SACL: %d entries: \n", acl->num_aces);
  98         for ( i=0; i<acl->num_aces; i++ ) {
  99                 verbose_output("    Trustee SID: %s\n",
 100                         sid_string_static(&acl->aces[i].trustee));
 101                 if ( sid_equal( &acl->aces[i].trustee, s1 ) ) {
 102                         sid_copy( &acl->aces[i].trustee, s2 );
 103                         update = True;
 104                         verbose_output("    New Trustee SID: %s\n",
 105                                 sid_string_static(&acl->aces[i].trustee));
 106                 }
 107         }
 108 #endif
 109         return update;
 110 }
 111
 112 /********************************************************************
 113 ********************************************************************/
 114
 115 static BOOL copy_registry_tree( REGF_FILE *infile, REGF_NK_REC *nk,
 116                                 REGF_NK_REC *parent, REGF_FILE *outfile,
 117                                 const char *parentpath  )
 118 {
 119         REGF_NK_REC *key, *subkey;
 120         SEC_DESC *new_sd;
 121         REGVAL_CTR *values;
 122         REGSUBKEY_CTR *subkeys;
 123         int i;
 124         pstring path;
 125
 126         /* swap out the SIDs in the security descriptor */
 127
 128         if ( !(new_sd = dup_sec_desc( outfile->mem_ctx, nk->sec_desc->sec_desc )) ) {
 129                 fprintf( stderr, "Failed to copy security descriptor!\n" );
 130                 return False;
 131         }
 132
 133         verbose_output("ACL for %s%s%s\n", parentpath, parent ? "\\" : "", nk->keyname);
 134         swap_sid_in_acl( new_sd, &old_sid, &new_sid );
 135
 136         if ( !(subkeys = TALLOC_ZERO_P( NULL, REGSUBKEY_CTR )) ) {
 137                 DEBUG(0,("copy_registry_tree: talloc() failure!\n"));
 138                 return False;
 139         }
 140
 141         if ( !(values = TALLOC_ZERO_P( subkeys, REGVAL_CTR )) ) {
 142                 DEBUG(0,("copy_registry_tree: talloc() failure!\n"));
 143                 return False;
 144         }
 145
 146         /* copy values into the REGVAL_CTR */
 147
 148         for ( i=0; i<nk->num_values; i++ ) {
 149                 regval_ctr_addvalue( values, nk->values[i].valuename, nk->values[i].type,
 150                         (const char *)nk->values[i].data, (nk->values[i].data_size & ~VK_DATA_IN_OFFSET) );
 151         }
 152
 153         /* copy subkeys into the REGSUBKEY_CTR */
 154
 155         while ( (subkey = regfio_fetch_subkey( infile, nk )) ) {
 156                 regsubkey_ctr_addkey( subkeys, subkey->keyname );
 157         }
 158
 159         key = regfio_write_key( outfile, nk->keyname, values, subkeys, new_sd, parent );
 160
 161         /* write each one of the subkeys out */
 162
 163         pstr_sprintf( path, "%s%s%s", parentpath, parent ? "\\" : "", nk->keyname );
 164
 165         nk->subkey_index = 0;
 166         while ( (subkey = regfio_fetch_subkey( infile, nk )) ) {
 167                 if ( !copy_registry_tree( infile, subkey, key, outfile, path ) )
 168                         return False;
 169         }
 170
 171         /* values is a talloc()'d child of subkeys here so just throw it all away */
 172
 173         TALLOC_FREE( subkeys );
 174
 175         verbose_output("[%s]\n", path);
 176
 177         return True;
 178 }
 179
 180 /*********************************************************************
 181 *********************************************************************/
 182
 183 int main( int argc, char *argv[] )
 184 {
 185         int opt;
 186         REGF_FILE *infile, *outfile;
 187         REGF_NK_REC *nk;
 188         pstring orig_filename, new_filename;
 189         struct poptOption long_options[] = {
 190                 POPT_AUTOHELP
 191                 { "change-sid", 'c', POPT_ARG_STRING, NULL, 'c', "Provides SID to change" },
 192                 { "new-sid", 'n', POPT_ARG_STRING, NULL, 'n', "Provides SID to change to" },
 193                 { "verbose", 'v', POPT_ARG_NONE, &opt_verbose, 'v', "Verbose output" },
 194                 POPT_COMMON_SAMBA
 195                 POPT_COMMON_VERSION
 196                 POPT_TABLEEND
 197         };
 198         poptContext pc;
 199
 200         load_case_tables();
 201
 202         /* setup logging options */
 203
 204         setup_logging( "profiles", True );
 205         dbf = x_stderr;
 206         x_setbuf( x_stderr, NULL );
 207
 208         pc = poptGetContext("profiles", argc, (const char **)argv, long_options,
 209                 POPT_CONTEXT_KEEP_FIRST);
 210
 211         poptSetOtherOptionHelp(pc, "<profilefile>");
 212
 213         /* Now, process the arguments */
 214
 215         while ((opt = poptGetNextOpt(pc)) != -1) {
 216                 switch (opt) {
 217                 case 'c':
 218                         change = 1;
 219                         if (!string_to_sid(&old_sid, poptGetOptArg(pc))) {
 220                                 fprintf(stderr, "Argument to -c should be a SID in form of S-1-5-...\n");
 221                                 poptPrintUsage(pc, stderr, 0);
 222                                 exit(254);
 223                         }
 224                         break;
 225
 226                 case 'n':
 227                         new_val = 1;
 228                         if (!string_to_sid(&new_sid, poptGetOptArg(pc))) {
 229                                 fprintf(stderr, "Argument to -n should be a SID in form of S-1-5-...\n");
 230                                 poptPrintUsage(pc, stderr, 0);
 231                                 exit(253);
 232                         }
 233                         break;
 234
 235                 }
 236         }
 237
 238         poptGetArg(pc);
 239
 240         if (!poptPeekArg(pc)) {
 241                 poptPrintUsage(pc, stderr, 0);
 242                 exit(1);
 243         }
 244
 245         if ((!change && new_val) || (change && !new_val)) {
 246                 fprintf(stderr, "You must specify both -c and -n if one or the other is set!\n");
 247                 poptPrintUsage(pc, stderr, 0);
 248                 exit(252);
 249         }
 250
 251         pstrcpy( orig_filename, poptPeekArg(pc) );
 252         pstr_sprintf( new_filename, "%s.new", orig_filename );
 253
 254         if ( !(infile = regfio_open( orig_filename, O_RDONLY, 0 )) ) {
 255                 fprintf( stderr, "Failed to open %s!\n", orig_filename );
 256                 fprintf( stderr, "Error was (%s)\n", strerror(errno) );
 257                 exit (1);
 258         }
 259
 260         if ( !(outfile = regfio_open( new_filename, (O_RDWR|O_CREAT|O_TRUNC), (S_IREAD|S_IWRITE) )) ) {
 261                 fprintf( stderr, "Failed to open new file %s!\n", new_filename );
 262                 fprintf( stderr, "Error was (%s)\n", strerror(errno) );
 263                 exit (1);
 264         }
 265
 266         /* actually do the update now */
 267
 268         if ((nk = regfio_rootkey( infile )) == NULL) {
 269                 fprintf(stderr, "Could not get rootkey\n");
 270                 exit(3);
 271         }
 272
 273         if ( !copy_registry_tree( infile, nk, NULL, outfile, "" ) ) {
 274                 fprintf(stderr, "Failed to write updated registry file!\n");
 275                 exit(2);
 276         }
 277
 278         /* cleanup */
 279
 280         regfio_close( infile );
 281         regfio_close( outfile );
 282
 283         poptFreeContext(pc);
 284
 285         return( 0 );
 286 }