diff options
Diffstat (limited to 'source4/registry/reg_frontend.c')
| -rw-r--r-- | source4/registry/reg_frontend.c | 260 |
1 files changed, 260 insertions, 0 deletions
diff --git a/source4/registry/reg_frontend.c b/source4/registry/reg_frontend.c new file mode 100644 index 0000000000..a9dfb52f01 --- /dev/null +++ b/source4/registry/reg_frontend.c @@ -0,0 +1,260 @@ +/* + * Unix SMB/CIFS implementation. + * RPC Pipe client / server routines + * Copyright (C) Gerald Carter 2002. + * + * 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. + */ + +/* Implementation of registry frontend view functions. */ + +#include "includes.h" + +#undef DBGC_CLASS +#define DBGC_CLASS DBGC_RPC_SRV + +extern REGISTRY_OPS printing_ops; +extern REGISTRY_OPS regdb_ops; /* these are the default */ + +/* array of REGISTRY_HOOK's which are read into a tree for easy access */ + + +REGISTRY_HOOK reg_hooks[] = { + { KEY_PRINTING, &printing_ops }, + { NULL, NULL } +}; + + +/*********************************************************************** + Open the registry database and initialize the REGISTRY_HOOK cache + ***********************************************************************/ + +BOOL init_registry( void ) +{ + int i; + + if ( !init_registry_db() ) { + DEBUG(0,("init_registry: failed to initialize the registry tdb!\n")); + return False; + } + + /* build the cache tree of registry hooks */ + + reghook_cache_init(); + + for ( i=0; reg_hooks[i].keyname; i++ ) { + if ( !reghook_cache_add(®_hooks[i]) ) + return False; + } + + if ( DEBUGLEVEL >= 20 ) + reghook_dump_cache(20); + + return True; +} + + + + +/*********************************************************************** + High level wrapper function for storing registry subkeys + ***********************************************************************/ + +BOOL store_reg_keys( REGISTRY_KEY *key, REGSUBKEY_CTR *subkeys ) +{ + if ( key->hook && key->hook->ops && key->hook->ops->store_subkeys_fn ) + return key->hook->ops->store_subkeys_fn( key->name, subkeys ); + else + return False; + +} + +/*********************************************************************** + High level wrapper function for storing registry values + ***********************************************************************/ + +BOOL store_reg_values( REGISTRY_KEY *key, REGVAL_CTR *val ) +{ + if ( key->hook && key->hook->ops && key->hook->ops->store_values_fn ) + return key->hook->ops->store_values_fn( key->name, val ); + else + return False; +} + + +/*********************************************************************** + High level wrapper function for enumerating registry subkeys + Initialize the TALLOC_CTX if necessary + ***********************************************************************/ + +int fetch_reg_keys( REGISTRY_KEY *key, REGSUBKEY_CTR *subkey_ctr ) +{ + int result = -1; + + if ( key->hook && key->hook->ops && key->hook->ops->subkey_fn ) + result = key->hook->ops->subkey_fn( key->name, subkey_ctr ); + + return result; +} + +/*********************************************************************** + retreive a specific subkey specified by index. Caller is + responsible for freeing memory + ***********************************************************************/ + +BOOL fetch_reg_keys_specific( REGISTRY_KEY *key, char** subkey, uint32 key_index ) +{ + static REGSUBKEY_CTR ctr; + static pstring save_path; + static BOOL ctr_init = False; + char *s; + + *subkey = NULL; + + /* simple caching for performance; very basic heuristic */ + + if ( !ctr_init ) { + DEBUG(8,("fetch_reg_keys_specific: Initializing cache of subkeys for [%s]\n", key->name)); + ZERO_STRUCTP( &ctr ); + regsubkey_ctr_init( &ctr ); + + pstrcpy( save_path, key->name ); + + if ( fetch_reg_keys( key, &ctr) == -1 ) + return False; + + ctr_init = True; + } + /* clear the cache when key_index == 0 or the path has changed */ + else if ( !key_index || StrCaseCmp( save_path, key->name) ) { + + DEBUG(8,("fetch_reg_keys_specific: Updating cache of subkeys for [%s]\n", key->name)); + + regsubkey_ctr_destroy( &ctr ); + regsubkey_ctr_init( &ctr ); + + pstrcpy( save_path, key->name ); + + if ( fetch_reg_keys( key, &ctr) == -1 ) + return False; + } + + if ( !(s = regsubkey_ctr_specific_key( &ctr, key_index )) ) + return False; + + *subkey = strdup( s ); + + return True; +} + + +/*********************************************************************** + High level wrapper function for enumerating registry values + Initialize the TALLOC_CTX if necessary + ***********************************************************************/ + +int fetch_reg_values( REGISTRY_KEY *key, REGVAL_CTR *val ) +{ + int result = -1; + + if ( key->hook && key->hook->ops && key->hook->ops->value_fn ) + result = key->hook->ops->value_fn( key->name, val ); + + return result; +} + + +/*********************************************************************** + retreive a specific subkey specified by index. Caller is + responsible for freeing memory + ***********************************************************************/ + +BOOL fetch_reg_values_specific( REGISTRY_KEY *key, REGISTRY_VALUE **val, uint32 val_index ) +{ + static REGVAL_CTR ctr; + static pstring save_path; + static BOOL ctr_init = False; + REGISTRY_VALUE *v; + + *val = NULL; + + /* simple caching for performance; very basic heuristic */ + + if ( !ctr_init ) { + DEBUG(8,("fetch_reg_values_specific: Initializing cache of values for [%s]\n", key->name)); + + ZERO_STRUCTP( &ctr ); + regval_ctr_init( &ctr ); + + pstrcpy( save_path, key->name ); + + if ( fetch_reg_values( key, &ctr) == -1 ) + return False; + + ctr_init = True; + } + /* clear the cache when val_index == 0 or the path has changed */ + else if ( !val_index || StrCaseCmp(save_path, key->name) ) { + + DEBUG(8,("fetch_reg_values_specific: Updating cache of values for [%s]\n", key->name)); + + regval_ctr_destroy( &ctr ); + regval_ctr_init( &ctr ); + + pstrcpy( save_path, key->name ); + + if ( fetch_reg_values( key, &ctr) == -1 ) + return False; + } + + if ( !(v = regval_ctr_specific_value( &ctr, val_index )) ) + return False; + + *val = dup_registry_value( v ); + + return True; +} + +/*********************************************************************** + Utility function for splitting the base path of a registry path off + by setting base and new_path to the apprapriate offsets withing the + path. + + WARNING!! Does modify the original string! + ***********************************************************************/ + +BOOL reg_split_path( char *path, char **base, char **new_path ) +{ + char *p; + + *new_path = *base = NULL; + + if ( !path) + return False; + + *base = path; + + p = strchr( path, '\\' ); + + if ( p ) { + *p = '\0'; + *new_path = p+1; + } + + return True; +} + + + |