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/*
* Unix SMB/CIFS implementation.
* Virtual Windows Registry Layer (utility functions)
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
/* Implementation of registry frontend view functions. */
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_REGISTRY
/***********************************************************************
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 function for splitting the base path of a registry path off
by setting base and new_path to the appropriate offsets withing the
path.
WARNING!! Does modify the original string!
***********************************************************************/
BOOL reg_split_key( char *path, char **base, char **key )
{
char *p;
*key = *base = NULL;
if ( !path)
return False;
*base = path;
p = strrchr( path, '\\' );
if ( p ) {
*p = '\0';
*key = p+1;
}
return True;
}
/**********************************************************************
The full path to the registry key is used as database after the
\'s are converted to /'s. Key string is also normalized to UPPER
case.
**********************************************************************/
void normalize_reg_path( pstring keyname )
{
pstring_sub( keyname, "\\", "/" );
strupper_m( keyname );
}
/**********************************************************************
move to next non-delimter character
*********************************************************************/
char* reg_remaining_path( const char *key )
{
pstring new_path;
char *p;
if ( !key || !*key )
return NULL;
pstrcpy( new_path, key );
/* normalize_reg_path( new_path ); */
if ( !(p = strchr( new_path, '\\' )) )
{
if ( !(p = strchr( new_path, '/' )) )
p = new_path;
else
p++;
}
else
p++;
return talloc_strdup(talloc_tos(), p);
}
/**********************************************************************
*********************************************************************/
int regval_convert_multi_sz( uint16 *multi_string, size_t byte_len, char ***values )
{
char **sz;
int i;
int num_strings = 0;
fstring buffer;
uint16 *wp;
size_t multi_len = byte_len / 2;
if ( !multi_string || !values )
return 0;
*values = NULL;
/* just count the NULLs */
for ( i=0; (i<multi_len-1) && !(multi_string[i]==0x0 && multi_string[i+1]==0x0); i++ ) {
/* peek ahead */
if ( multi_string[i+1] == 0x0 )
num_strings++;
}
if ( num_strings == 0 )
return 0;
if ( !(sz = TALLOC_ARRAY( NULL, char*, num_strings+1 )) ) {
DEBUG(0,("reg_convert_multi_sz: talloc() failed!\n"));
return -1;
}
wp = multi_string;
for ( i=0; i<num_strings; i++ ) {
rpcstr_pull( buffer, wp, sizeof(buffer), -1, STR_TERMINATE );
sz[i] = talloc_strdup( sz, buffer );
/* skip to the next string NULL and then one more */
while ( *wp )
wp++;
wp++;
}
/* tag the array off with an empty string */
sz[i] = '\0';
*values = sz;
return num_strings;
}
/**********************************************************************
Returns number of bytes, not number of unicode characters
*********************************************************************/
size_t regval_build_multi_sz( char **values, uint16 **buffer )
{
int i;
size_t buf_size = 0;
uint16 *buf, *b;
UNISTR2 sz;
if ( !values || !buffer )
return 0;
/* go ahead and alloc some space */
if ( !(buf = TALLOC_ARRAY( NULL, uint16, 2 )) ) {
DEBUG(0,("regval_build_multi_sz: talloc() failed!\n"));
return 0;
}
for ( i=0; values[i]; i++ ) {
ZERO_STRUCT( sz );
/* DEBUG(0,("regval_build_multi_sz: building [%s]\n",values[i])); */
init_unistr2( &sz, values[i], UNI_STR_TERMINATE );
/* Alloc some more memory. Always add one one to account for the
double NULL termination */
b = TALLOC_REALLOC_ARRAY( NULL, buf, uint16, buf_size+sz.uni_str_len+1 );
if ( !b ) {
DEBUG(0,("regval_build_multi_sz: talloc() reallocation error!\n"));
TALLOC_FREE( buffer );
return 0;
}
buf = b;
/* copy the unistring2 buffer and increment the size */
/* dump_data(1,sz.buffer,sz.uni_str_len*2); */
memcpy( buf+buf_size, sz.buffer, sz.uni_str_len*2 );
buf_size += sz.uni_str_len;
/* cleanup rather than leaving memory hanging around */
TALLOC_FREE( sz.buffer );
}
buf[buf_size++] = 0x0;
*buffer = buf;
/* return number of bytes */
return buf_size*2;
}
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