--- /dev/null
+/*
+ * Unix SMB/CIFS implementation.
+ * Virtual Windows Registry Layer
+ * Copyright (C) Gerald Carter 2002-2005
+ *
+ * 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.
+ */
+
+/* Implementation of registry frontend view functions. */
+
+#include "includes.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_RPC_SRV
+
+/**********************************************************************
+
+ Note that the REGSUB_CTR and REGVAL_CTR objects *must* be talloc()'d
+ since the methods use the object pointer as the talloc context for
+ internal private data.
+
+ There is no longer a regXXX_ctr_intit() and regXXX_ctr_destroy()
+ pair of functions. Simply TALLOC_ZERO_P() and TALLOC_FREE() the
+ object.
+
+ **********************************************************************/
+
+/***********************************************************************
+ Add a new key to the array
+ **********************************************************************/
+
+int regsubkey_ctr_addkey( REGSUBKEY_CTR *ctr, const char *keyname )
+{
+ char **pp;
+
+ if ( !keyname )
+ return ctr->num_subkeys;
+
+ /* make sure the keyname is not already there */
+
+ if ( regsubkey_ctr_key_exists( ctr, keyname ) )
+ return ctr->num_subkeys;
+
+ /* allocate a space for the char* in the array */
+
+ if ( ctr->subkeys == 0 )
+ ctr->subkeys = TALLOC_P( ctr, char *);
+ else {
+ pp = TALLOC_REALLOC_ARRAY( ctr, ctr->subkeys, char *, ctr->num_subkeys+1);
+ if ( pp )
+ ctr->subkeys = pp;
+ }
+
+ /* allocate the string and save it in the array */
+
+ ctr->subkeys[ctr->num_subkeys] = talloc_strdup( ctr, keyname );
+ ctr->num_subkeys++;
+
+ return ctr->num_subkeys;
+}
+
+ /***********************************************************************
+ Add a new key to the array
+ **********************************************************************/
+
+int regsubkey_ctr_delkey( REGSUBKEY_CTR *ctr, const char *keyname )
+{
+ int i;
+
+ if ( !keyname )
+ return ctr->num_subkeys;
+
+ /* make sure the keyname is actually already there */
+
+ for ( i=0; i<ctr->num_subkeys; i++ ) {
+ if ( strequal( ctr->subkeys[i], keyname ) )
+ break;
+ }
+
+ if ( i == ctr->num_subkeys )
+ return ctr->num_subkeys;
+
+ /* update if we have any keys left */
+ ctr->num_subkeys--;
+ if ( i < ctr->num_subkeys )
+ memmove( &ctr->subkeys[i], &ctr->subkeys[i+1], sizeof(char*) * (ctr->num_subkeys-i) );
+
+ return ctr->num_subkeys;
+}
+
+/***********************************************************************
+ Check for the existance of a key
+ **********************************************************************/
+
+BOOL regsubkey_ctr_key_exists( REGSUBKEY_CTR *ctr, const char *keyname )
+{
+ int i;
+
+ for ( i=0; i<ctr->num_subkeys; i++ ) {
+ if ( strequal( ctr->subkeys[i],keyname ) )
+ return True;
+ }
+
+ return False;
+}
+
+/***********************************************************************
+ How many keys does the container hold ?
+ **********************************************************************/
+
+int regsubkey_ctr_numkeys( REGSUBKEY_CTR *ctr )
+{
+ return ctr->num_subkeys;
+}
+
+/***********************************************************************
+ Retreive a specific key string
+ **********************************************************************/
+
+char* regsubkey_ctr_specific_key( REGSUBKEY_CTR *ctr, uint32 key_index )
+{
+ if ( ! (key_index < ctr->num_subkeys) )
+ return NULL;
+
+ return ctr->subkeys[key_index];
+}
+
+/*
+ * Utility functions for REGVAL_CTR
+ */
+
+/***********************************************************************
+ How many keys does the container hold ?
+ **********************************************************************/
+
+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;
+
+ if ( !val )
+ return NULL;
+
+ if ( !(copy = SMB_MALLOC_P( 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) );
+
+ copy->size = 0;
+ copy->data_p = NULL;
+
+ if ( val->data_p && val->size )
+ {
+ if ( !(copy->data_p = memdup( val->data_p, val->size )) ) {
+ DEBUG(0,("dup_registry_value: memdup() failed for [%d] bytes!\n",
+ val->size));
+ SAFE_FREE( copy );
+ }
+ copy->size = val->size;
+ }
+
+ return copy;
+}
+
+/**********************************************************************
+ free the memory allocated to a REGISTRY_VALUE
+ *********************************************************************/
+
+void free_registry_value( REGISTRY_VALUE *val )
+{
+ if ( !val )
+ return;
+
+ SAFE_FREE( val->data_p );
+ SAFE_FREE( val );
+
+ return;
+}
+
+/**********************************************************************
+ *********************************************************************/
+
+uint8* regval_data_p( REGISTRY_VALUE *val )
+{
+ return val->data_p;
+}
+
+/**********************************************************************
+ *********************************************************************/
+
+uint32 regval_size( REGISTRY_VALUE *val )
+{
+ return val->size;
+}
+
+/**********************************************************************
+ *********************************************************************/
+
+char* regval_name( REGISTRY_VALUE *val )
+{
+ return val->valuename;
+}
+
+/**********************************************************************
+ *********************************************************************/
+
+uint32 regval_type( REGISTRY_VALUE *val )
+{
+ return val->type;
+}
+
+/***********************************************************************
+ Retreive a pointer to a specific value. Caller shoud dup the structure
+ since this memory will go away when the ctr is free()'d
+ **********************************************************************/
+
+REGISTRY_VALUE* regval_ctr_specific_value( REGVAL_CTR *ctr, uint32 idx )
+{
+ if ( !(idx < ctr->num_values) )
+ return NULL;
+
+ return ctr->values[idx];
+}
+
+/***********************************************************************
+ Check for the existance of a value
+ **********************************************************************/
+
+BOOL regval_ctr_key_exists( REGVAL_CTR *ctr, const char *value )
+{
+ int i;
+
+ for ( i=0; i<ctr->num_values; i++ ) {
+ if ( strequal( ctr->values[i]->valuename, value) )
+ return True;
+ }
+
+ return False;
+}
+/***********************************************************************
+ Add a new registry value to the array
+ **********************************************************************/
+
+int regval_ctr_addvalue( REGVAL_CTR *ctr, const char *name, uint16 type,
+ const char *data_p, size_t size )
+{
+ REGISTRY_VALUE **ppreg;
+
+ if ( !name )
+ return ctr->num_values;
+
+ /* Delete the current value (if it exists) and add the new one */
+
+ regval_ctr_delvalue( ctr, name );
+
+ /* allocate a slot in the array of pointers */
+
+ if ( ctr->num_values == 0 )
+ ctr->values = TALLOC_P( ctr, REGISTRY_VALUE *);
+ else {
+ ppreg = TALLOC_REALLOC_ARRAY( ctr, ctr->values, REGISTRY_VALUE *, ctr->num_values+1 );
+ if ( ppreg )
+ ctr->values = ppreg;
+ }
+
+ /* allocate a new value and store the pointer in the arrya */
+
+ ctr->values[ctr->num_values] = TALLOC_P( ctr, REGISTRY_VALUE);
+
+ /* init the value */
+
+ fstrcpy( ctr->values[ctr->num_values]->valuename, name );
+ ctr->values[ctr->num_values]->type = type;
+ ctr->values[ctr->num_values]->data_p = TALLOC_MEMDUP( ctr, data_p, size );
+ ctr->values[ctr->num_values]->size = size;
+ ctr->num_values++;
+
+ return ctr->num_values;
+}
+
+/***********************************************************************
+ Add a new registry value to the array
+ **********************************************************************/
+
+int regval_ctr_copyvalue( REGVAL_CTR *ctr, REGISTRY_VALUE *val )
+{
+ REGISTRY_VALUE **ppreg;
+
+ if ( val )
+ {
+ /* allocate a slot in the array of pointers */
+
+ if ( ctr->num_values == 0 )
+ ctr->values = TALLOC_P( ctr, REGISTRY_VALUE *);
+ else {
+ ppreg = TALLOC_REALLOC_ARRAY( ctr, ctr->values, REGISTRY_VALUE *, ctr->num_values+1 );
+ if ( ppreg )
+ ctr->values = ppreg;
+ }
+
+ /* allocate a new value and store the pointer in the arrya */
+
+ ctr->values[ctr->num_values] = TALLOC_P( ctr, REGISTRY_VALUE);
+
+ /* init the value */
+
+ fstrcpy( ctr->values[ctr->num_values]->valuename, val->valuename );
+ ctr->values[ctr->num_values]->type = val->type;
+ ctr->values[ctr->num_values]->data_p = TALLOC_MEMDUP( ctr, val->data_p, val->size );
+ ctr->values[ctr->num_values]->size = val->size;
+ ctr->num_values++;
+ }
+
+ return ctr->num_values;
+}
+
+/***********************************************************************
+ Delete a single value from the registry container.
+ No need to free memory since it is talloc'd.
+ **********************************************************************/
+
+int regval_ctr_delvalue( REGVAL_CTR *ctr, const char *name )
+{
+ int i;
+
+ for ( i=0; i<ctr->num_values; i++ ) {
+ if ( strequal( ctr->values[i]->valuename, name ) )
+ break;
+ }
+
+ /* just return if we don't find it */
+
+ if ( i == ctr->num_values )
+ return ctr->num_values;
+
+ /* If 'i' was not the last element, just shift everything down one */
+ ctr->num_values--;
+ if ( i < ctr->num_values )
+ memmove( &ctr->values[i], &ctr->values[i+1], sizeof(REGISTRY_VALUE*)*(ctr->num_values-i) );
+
+ return ctr->num_values;
+}
+
+/***********************************************************************
+ Retrieve single value from the registry container.
+ No need to free memory since it is talloc'd.
+ **********************************************************************/
+
+REGISTRY_VALUE* regval_ctr_getvalue( REGVAL_CTR *ctr, const char *name )
+{
+ int i;
+
+ /* search for the value */
+
+ for ( i=0; i<ctr->num_values; i++ ) {
+ if ( strequal( ctr->values[i]->valuename, name ) )
+ return ctr->values[i];
+ }
+
+ return NULL;
+}
+
+/***********************************************************************
+ return the data_p as a uint32
+ **********************************************************************/
+
+uint32 regval_dword( REGISTRY_VALUE *val )
+{
+ uint32 data;
+
+ data = IVAL( regval_data_p(val), 0 );
+
+ return data;
+}
+
+/***********************************************************************
+ return the data_p as a character string
+ **********************************************************************/
+
+char* regval_sz( REGISTRY_VALUE *val )
+{
+ static pstring data;
+
+ rpcstr_pull( data, regval_data_p(val), sizeof(data), regval_size(val), 0 );
+
+ return data;
+}
+
projects / samba / blobdiff