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-rw-r--r--source3/registry/reg_frontend.c405
1 files changed, 260 insertions, 145 deletions
diff --git a/source3/registry/reg_frontend.c b/source3/registry/reg_frontend.c
index d8a10940fd..a282207376 100644
--- a/source3/registry/reg_frontend.c
+++ b/source3/registry/reg_frontend.c
@@ -37,151 +37,6 @@ REGISTRY_HOOK reg_hooks[] = {
};
-/***********************************************************************
- 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(&reg_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 )
-{
- char *s;
- REGSUBKEY_CTR ctr;
-
- ZERO_STRUCTP( &ctr );
-
- regsubkey_ctr_init( &ctr );
-
- if ( fetch_reg_keys( key, &ctr) == -1 )
- return False;
-
- if ( !(s = regsubkey_ctr_specific_key( &ctr, key_index )) )
- return False;
-
- *subkey = strdup( s );
-
- regsubkey_ctr_destroy( &ctr );
-
- 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;
-}
-
-/***********************************************************************
- 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;
-}
-
-
/*
* Utility functions for REGSUBKEY_CTR
*/
@@ -209,6 +64,8 @@ int regsubkey_ctr_addkey( REGSUBKEY_CTR *ctr, char *keyname )
{
len = strlen( keyname );
+ /* allocate a space for the char* in the array */
+
if ( ctr->subkeys == 0 )
ctr->subkeys = talloc( ctr->ctx, sizeof(char*) );
else {
@@ -217,6 +74,8 @@ int regsubkey_ctr_addkey( REGSUBKEY_CTR *ctr, char *keyname )
ctr->subkeys = pp;
}
+ /* allocate the string and save it in the array */
+
ctr->subkeys[ctr->num_subkeys] = talloc( ctr->ctx, len+1 );
strncpy( ctr->subkeys[ctr->num_subkeys], keyname, len+1 );
ctr->num_subkeys++;
@@ -282,6 +141,88 @@ int regval_ctr_numvals( REGVAL_CTR *ctr )
return ctr->num_values;
}
+/***********************************************************************
+ allocate memory for and duplicate a REGISTRY_VALUE.
+ This is malloc'd memory so the caller should free it when done
+ **********************************************************************/
+
+REGISTRY_VALUE* dup_registry_value( REGISTRY_VALUE *val )
+{
+ REGISTRY_VALUE *copy = NULL;
+ BOOL fail = True;
+
+ if ( !val )
+ return NULL;
+
+ if ( !(copy = malloc( sizeof(REGISTRY_VALUE) )) ) {
+ DEBUG(0,("dup_registry_value: malloc() failed!\n"));
+ return NULL;
+ }
+
+ /* copy all the non-pointer initial data */
+
+ memcpy( copy, val, sizeof(REGISTRY_VALUE) );
+
+ switch ( val->type ) {
+ case REG_SZ:
+ if ( !(copy->data.string = strdup( val->data.string )) ) {
+ DEBUG(0,("dup_registry_value: strdup() failed for [%s]!\n",
+ val->data.string));
+ goto done;
+ }
+ break;
+
+ case REG_DWORD:
+ /* nothing to be done; already copied by memcpy() */
+ break;
+
+ case REG_BINARY:
+ if ( !(copy->data.string = memdup( val->data.binary, val->size )) ) {
+ DEBUG(0,("dup_registry_value: memdup() failed for [%d] bytes!\n",
+ val->size));
+ goto done;
+ }
+ break;
+ }
+
+ fail = False;
+
+done:
+ if ( fail )
+ SAFE_FREE( copy );
+
+ return copy;
+}
+
+/**********************************************************************
+ free the memory allocated to a REGISTRY_VALUE
+ *********************************************************************/
+
+void free_registry_value( REGISTRY_VALUE *val )
+{
+ if ( !val )
+ return;
+
+ switch ( val->type )
+ {
+ case REG_SZ:
+ SAFE_FREE( val->data.string );
+ break;
+ case REG_BINARY:
+ SAFE_FREE( val->data.binary );
+ break;
+ }
+
+ SAFE_FREE( val );
+
+ return;
+}
+
+/***********************************************************************
+ Retreive a pointer to a specific value. Caller shoud dup the structure
+ since this memory may go away with a regval_ctr_destroy()
+ **********************************************************************/
+
REGISTRY_VALUE* regval_ctr_specific_value( REGVAL_CTR *ctr, uint32 idx )
{
if ( !(idx < ctr->num_values) )
@@ -354,3 +295,177 @@ void regval_ctr_destroy( REGVAL_CTR *ctr )
}
}
+/***********************************************************************
+ 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(&reg_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 )
+{
+ char *s;
+ REGSUBKEY_CTR ctr;
+
+ ZERO_STRUCTP( &ctr );
+
+ regsubkey_ctr_init( &ctr );
+
+ if ( fetch_reg_keys( key, &ctr) == -1 )
+ return False;
+
+ if ( !(s = regsubkey_ctr_specific_key( &ctr, key_index )) )
+ return False;
+
+ *subkey = strdup( s );
+
+ regsubkey_ctr_destroy( &ctr );
+
+ 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 key_index )
+{
+ REGVAL_CTR ctr;
+ REGISTRY_VALUE *v;
+
+ ZERO_STRUCTP( &ctr );
+
+ regval_ctr_init( &ctr );
+
+ if ( fetch_reg_values( key, &ctr) == -1 )
+ return False;
+
+ if ( !(v = regval_ctr_specific_value( &ctr, key_index )) )
+ return False;
+
+ *val = dup_registry_value( v );
+
+ regval_ctr_destroy( &ctr );
+
+ 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;
+}
+
+
+
generated by cgit (git 2.34.1) at 2024-09-05 20:59:06 +0000