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path: root/source3/registry/reg_printing.c
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/* 
 *  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 virtual views for printing information */

#include "includes.h"

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV

#define MAX_TOP_LEVEL_KEYS	3

/* some symbolic indexes into the top_level_keys */

#define KEY_INDEX_ENVIR		0
#define KEY_INDEX_FORMS		1
#define KEY_INDEX_PRINTER	2

static const char *top_level_keys[MAX_TOP_LEVEL_KEYS] = { 
	"Environments", 
	"Forms",
	"Printers" 
};
	

/**********************************************************************
 It is safe to assume that every registry path passed into on of 
 the exported functions here begins with KEY_PRINTING else
 these functions would have never been called.  This is a small utility
 function to strip the beginning of the path and make a copy that the 
 caller can modify.  Note that the caller is responsible for releasing
 the memory allocated here.
 **********************************************************************/

static char* trim_reg_path( char *path )
{
	char *p;
	uint16 key_len = strlen(path);
	uint16 base_key_len;

	int key_printing_len = strlen( KEY_PRINTING );
	int key_printing2k_len = strlen( KEY_PRINTING_2K );
	int key_printing_ports_len = strlen( KEY_PRINTING_PORTS );


	
	/* 
	 * sanity check...this really should never be True.
	 * It is only here to prevent us from accessing outside
	 * the path buffer in the extreme case.
	 */
	
	if ( (key_len < key_printing_len) 
		&& (key_len < key_printing2k_len) 
		&& (key_len < key_printing_ports_len) )
	{
		DEBUG(0,("trim_reg_path: Registry path too short! [%s]\n", path));
		return NULL;
	}

	base_key_len = 0;
	if ( StrnCaseCmp( KEY_PRINTING, path, key_printing_len ) == 0 ) {
		base_key_len = key_printing_len;
	}
	else if ( StrnCaseCmp( KEY_PRINTING_2K, path, key_printing2k_len ) == 0 ) {
		base_key_len = key_printing2k_len;
	}
	else if ( StrnCaseCmp( KEY_PRINTING_PORTS, path, key_printing2k_len ) == 0 ) {
		base_key_len = key_printing_ports_len;
	}
	else {
		DEBUG(0,("trim_reg_path: invalid path [%s]\n", path ));
		return NULL;
	}
	
	p = path + base_key_len;
	
	if ( *p == '\\' )
		p++;
	
	if ( *p )
		return SMB_STRDUP(p);
	else
		return NULL;
}

/**********************************************************************
 *********************************************************************/
 
static int fill_ports_values( REGVAL_CTR *values )
{
	int numlines, i;
	char **lines;
	UNISTR2	data;
	WERROR result;

	result = enumports_hook( &numlines, &lines );

	if ( !W_ERROR_IS_OK(result) )
		return -1;

	init_unistr2( &data, "", UNI_STR_TERMINATE);
	for ( i=0; i<numlines; i++ )
		regval_ctr_addvalue( values, lines[i], REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

	return numlines;
}
 

/**********************************************************************
 handle enumeration of subkeys below KEY_PRINTING\Environments
 Environments\$ARCH\Print Processors
 Environments\$ARCH\Drivers\{0,2,3}
 *********************************************************************/
 
#define ENVIRONMENT_DRIVERS	1
#define ENVIRONMENT_PRINTPROC	2

static int print_subpath_environments( char *key, REGSUBKEY_CTR *subkeys )
{
	const char *environments[] = {
		"Windows 4.0",
		"Windows NT x86",
		"Windows NT R4000",
		"Windows NT Alpha_AXP",
		"Windows NT PowerPC",
		"Windows IA64",
		"Windows x64",
		NULL };
	fstring *drivers = NULL;
	int i, env_index, num_drivers;
	char *keystr, *base, *subkeypath;
	pstring key2;
	int num_subkeys = -1;
	int env_subkey_type = 0;
	int version;

	DEBUG(10,("print_subpath_environments: key=>[%s]\n", key ? key : "NULL" ));
	
	/* list all possible architectures */
	
	if ( !key ) {
		for ( num_subkeys=0; environments[num_subkeys]; num_subkeys++ ) 
			regsubkey_ctr_addkey( subkeys, 	environments[num_subkeys] );

		return num_subkeys;
	}
	
	/* we are dealing with a subkey of "Environments */
	
	pstrcpy( key2, key );
	keystr = key2;
	reg_split_path( keystr, &base, &subkeypath );
	
	/* sanity check */
	
	for ( env_index=0; environments[env_index]; env_index++ ) {
		if ( strequal( environments[env_index], base ) )
			break;
	}
	if ( !environments[env_index] )
		return -1;
	
	/* ...\Print\Environements\...\ */
	
	if ( !subkeypath ) {
		regsubkey_ctr_addkey( subkeys, "Drivers" );
		regsubkey_ctr_addkey( subkeys, "Print Processors" );
				
		return 2;
	}
	
	/* more of the key path to process */
	
	keystr = subkeypath;
	reg_split_path( keystr, &base, &subkeypath );	
		
	/* ...\Print\Environements\...\Drivers\ */
	
	if ( strequal(base, "Drivers") )
		env_subkey_type = ENVIRONMENT_DRIVERS;
	else if ( strequal(base, "Print Processors") )
		env_subkey_type = ENVIRONMENT_PRINTPROC;
	else
		/* invalid path */
		return -1;
	
	if ( !subkeypath ) {
		switch ( env_subkey_type ) {
		case ENVIRONMENT_DRIVERS:
			switch ( env_index ) {
				case 0:	/* Win9x */
					regsubkey_ctr_addkey( subkeys, "Version-0" );
					break;
				default: /* Windows NT based systems */
					regsubkey_ctr_addkey( subkeys, "Version-2" );
					regsubkey_ctr_addkey( subkeys, "Version-3" );
					break;			
			}
		
			return regsubkey_ctr_numkeys( subkeys );
		
		case ENVIRONMENT_PRINTPROC:
			if ( env_index == 1 || env_index == 5 || env_index == 6 )
				regsubkey_ctr_addkey( subkeys, "winprint" );
				
			return regsubkey_ctr_numkeys( subkeys );
		}
	}
	
	/* we finally get to enumerate the drivers */
	
	keystr = subkeypath;
	reg_split_path( keystr, &base, &subkeypath );

	/* get thr print processors key out of the way */
	if ( env_subkey_type == ENVIRONMENT_PRINTPROC ) {
		if ( !strequal( base, "winprint" ) )
			return -1;
		return !subkeypath ? 0 : -1;
	}
	
	/* only dealing with drivers from here on out */
	
	version = atoi(&base[strlen(base)-1]);
			
	switch (env_index) {
	case 0:
		if ( version != 0 )
			return -1;
		break;
	default:
		if ( version != 2 && version != 3 )
			return -1;
		break;
	}

	
	if ( !subkeypath ) {
		num_drivers = get_ntdrivers( &drivers, environments[env_index], version );
		for ( i=0; i<num_drivers; i++ )
			regsubkey_ctr_addkey( subkeys, drivers[i] );
			
		return regsubkey_ctr_numkeys( subkeys );	
	}	
	
	/* if anything else left, just say if has no subkeys */
	
	DEBUG(1,("print_subpath_environments: unhandled key [%s] (subkey == %s\n", 
		key, subkeypath ));
	
	return 0;
}

/***********************************************************************
 simple function to prune a pathname down to the basename of a file 
 **********************************************************************/
 
static char* dos_basename ( char *path )
{
	char *p;
	
	p = strrchr( path, '\\' );
	if ( p )
		p++;
	else
		p = path;
		
	return p;
}

/**********************************************************************
 handle enumeration of values below 
 KEY_PRINTING\Environments\<arch>\<version>\<drivername>
 *********************************************************************/
 
static int print_subpath_values_environments( char *key, REGVAL_CTR *val )
{
	char 		*keystr, *base, *subkeypath;
	pstring 	key2;
	fstring		arch_environment;
	fstring		driver;
	int		version;
	NT_PRINTER_DRIVER_INFO_LEVEL	driver_ctr;
	NT_PRINTER_DRIVER_INFO_LEVEL_3	*info3;
	WERROR		w_result;
	char 		*buffer = NULL;
	char		*buffer2 = NULL;
	int		buffer_size = 0;
	int 		i, length;
	char 		*filename;
	UNISTR2		data;
	int		env_subkey_type = 0;
	
	
	DEBUG(8,("print_subpath_values_environments: Enter key => [%s]\n", key ? key : "NULL"));
	
	if ( !key )
		return 0;
		
	/* The only keys below KEY_PRINTING\Environments is the 
	   specific printer driver info */
	
	/* environment */
	
	pstrcpy( key2, key );
	keystr = key2;
	reg_split_path( keystr, &base, &subkeypath );
	if ( !subkeypath ) 
		return 0;
	fstrcpy( arch_environment, base );
	
	/* Driver */
	
	keystr = subkeypath;
	reg_split_path( keystr, &base, &subkeypath );

	if ( strequal(base, "Drivers") )
		env_subkey_type = ENVIRONMENT_DRIVERS;
	else if ( strequal(base, "Print Processors") )
		env_subkey_type = ENVIRONMENT_PRINTPROC;
	else
		/* invalid path */
		return -1;
	
	if ( !subkeypath )
		return 0;

	/* for now bail out if we are seeing anything other than the drivers key */
	
	if ( env_subkey_type == ENVIRONMENT_PRINTPROC )
		return 0;
		
	keystr = subkeypath;
	reg_split_path( keystr, &base, &subkeypath );
		
	version = atoi(&base[strlen(base)-1]);

	/* printer driver name */
	
	keystr = subkeypath;
	reg_split_path( keystr, &base, &subkeypath );
	/* don't go any deeper for now */
	if ( subkeypath )
		return 0;
	fstrcpy( driver, base );

	w_result = get_a_printer_driver( &driver_ctr, 3, driver, arch_environment, version );

	if ( !W_ERROR_IS_OK(w_result) )
		return -1;
		
	/* build the values out of the driver information */
	info3 = driver_ctr.info_3;
	
	filename = dos_basename( info3->driverpath );
	init_unistr2( &data, filename, UNI_STR_TERMINATE);
	regval_ctr_addvalue( val, "Driver",             REG_SZ,       (char*)data.buffer, data.uni_str_len*sizeof(uint16) );
	
	filename = dos_basename( info3->configfile );
	init_unistr2( &data, filename, UNI_STR_TERMINATE);
	regval_ctr_addvalue( val, "Configuration File", REG_SZ,       (char*)data.buffer, data.uni_str_len*sizeof(uint16) );
	
	filename = dos_basename( info3->datafile );
	init_unistr2( &data, filename, UNI_STR_TERMINATE);
	regval_ctr_addvalue( val, "Data File",          REG_SZ,       (char*)data.buffer, data.uni_str_len*sizeof(uint16) );
	
	filename = dos_basename( info3->helpfile );
	init_unistr2( &data, filename, UNI_STR_TERMINATE);
	regval_ctr_addvalue( val, "Help File",          REG_SZ,       (char*)data.buffer, data.uni_str_len*sizeof(uint16) );
	
	init_unistr2( &data, info3->defaultdatatype, UNI_STR_TERMINATE);
	regval_ctr_addvalue( val, "Data Type",          REG_SZ,       (char*)data.buffer, data.uni_str_len*sizeof(uint16) );
	
	regval_ctr_addvalue( val, "Version",            REG_DWORD,    (char*)&info3->cversion, sizeof(info3->cversion) );
	
	if ( info3->dependentfiles ) {
		/* place the list of dependent files in a single 
		   character buffer, separating each file name by
		   a NULL */
		   
		for ( i=0; strcmp(info3->dependentfiles[i], ""); i++ ) {
			/* strip the path to only the file's base name */
		
			filename = dos_basename( info3->dependentfiles[i] );
			
			length = strlen(filename);
		
			buffer2 = SMB_REALLOC( buffer, buffer_size + (length + 1)*sizeof(uint16) );
			if ( !buffer2 )
				break;
			buffer = buffer2;
			
			init_unistr2( &data, filename, UNI_STR_TERMINATE);
			memcpy( buffer+buffer_size, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );
		
			buffer_size += (length + 1)*sizeof(uint16);
		}
		
		/* terminated by double NULL.  Add the final one here */
		
		buffer2 = SMB_REALLOC( buffer, buffer_size + 2 );
		if ( !buffer2 ) {
			SAFE_FREE( buffer );
			buffer_size = 0;
		} else {
			buffer = buffer2;
			buffer[buffer_size++] = '\0';
			buffer[buffer_size++] = '\0';
		}
	}
	
	regval_ctr_addvalue( val, "Dependent Files",    REG_MULTI_SZ, buffer, buffer_size );
	
	free_a_printer_driver( driver_ctr, 3 );
	
	SAFE_FREE( buffer );
		
	DEBUG(8,("print_subpath_values_environments: Exit\n"));
	
	return regval_ctr_numvals( val );
}


/**********************************************************************
 handle enumeration of subkeys below KEY_PRINTING\Forms
 Really just a stub function, but left here in case it needs to
 be expanded later on
 *********************************************************************/
 
static int print_subpath_forms( char *key, REGSUBKEY_CTR *subkeys )
{
	DEBUG(10,("print_subpath_forms: key=>[%s]\n", key ? key : "NULL" ));
	
	/* there are no subkeys */
	
	if ( key )
		return -1;
	
	return 0;
}

/**********************************************************************
 handle enumeration of values below KEY_PRINTING\Forms
 *********************************************************************/
 
static int print_subpath_values_forms( char *key, REGVAL_CTR *val )
{
	int 		num_values = 0;
	uint32 		data[8];
	int		form_index = 1;
	
	DEBUG(10,("print_values_forms: key=>[%s]\n", key ? key : "NULL" ));
	
	/* handle ..\Forms\ */
	
	if ( !key )
	{
		nt_forms_struct *forms_list = NULL;
		nt_forms_struct *form = NULL;
		int i;
		
		if ( (num_values = get_ntforms( &forms_list )) == 0 ) 
			return 0;
		
		DEBUG(10,("print_subpath_values_forms: [%d] user defined forms returned\n",
			num_values));

		/* handle user defined forms */
				
		for ( i=0; i<num_values; i++ )
		{
			form = &forms_list[i];
			
			data[0] = form->width;
			data[1] = form->length;
			data[2] = form->left;
			data[3] = form->top;
			data[4] = form->right;
			data[5] = form->bottom;
			data[6] = form_index++;
			data[7] = form->flag;
			
			regval_ctr_addvalue( val, form->name, REG_BINARY, (char*)data, sizeof(data) );
		
		}
		
		SAFE_FREE( forms_list );
		forms_list = NULL;
		
		/* handle built-on forms */
		
		if ( (num_values = get_builtin_ntforms( &forms_list )) == 0 ) 
			return 0;
		
		DEBUG(10,("print_subpath_values_forms: [%d] built-in forms returned\n",
			num_values));
			
		for ( i=0; i<num_values; i++ )
		{
			form = &forms_list[i];
			
			data[0] = form->width;
			data[1] = form->length;
			data[2] = form->left;
			data[3] = form->top;
			data[4] = form->right;
			data[5] = form->bottom;
			data[6] = form_index++;
			data[7] = form->flag;
					
			regval_ctr_addvalue( val, form->name, REG_BINARY, (char*)data, sizeof(data) );
		}
		
		SAFE_FREE( forms_list );
	}
	
	return num_values;
}

/**********************************************************************
 handle enumeration of subkeys below KEY_PRINTING\Printers
 *********************************************************************/
 
static int print_subpath_printers( char *key, REGSUBKEY_CTR *subkeys )
{
	int n_services = lp_numservices();	
	int snum;
	fstring sname;
	int i;
	int num_subkeys = 0;
	char *keystr, *key2 = NULL;
	char *base, *new_path;
	NT_PRINTER_INFO_LEVEL *printer = NULL;
	fstring *subkey_names = NULL;
	
	DEBUG(10,("print_subpath_printers: key=>[%s]\n", key ? key : "NULL" ));
	
	if ( !key )
	{
		/* enumerate all printers */
		
		for (snum=0; snum<n_services; snum++) {
			if ( !(lp_snum_ok(snum) && lp_print_ok(snum) ) )
				continue;

			/* don't report the [printers] share */

			if ( strequal( lp_servicename(snum), PRINTERS_NAME ) )
				continue;
				
			fstrcpy( sname, lp_servicename(snum) );
				
			regsubkey_ctr_addkey( subkeys, sname );
		}
		
		num_subkeys = regsubkey_ctr_numkeys( subkeys );
		goto done;
	}

	/* get information for a specific printer */
	
	key2 = SMB_STRDUP( key );
	keystr = key2;
	reg_split_path( keystr, &base, &new_path );

		if ( !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, base) ) )
		goto done;

	num_subkeys = get_printer_subkeys( &printer->info_2->data, new_path?new_path:"", &subkey_names );
	
	for ( i=0; i<num_subkeys; i++ )
		regsubkey_ctr_addkey( subkeys, subkey_names[i] );
	
	free_a_printer( &printer, 2 );
			
	/* no other subkeys below here */

done:	
	SAFE_FREE( key2 );
	SAFE_FREE( subkey_names );
	
	return num_subkeys;
}

/**********************************************************************
 handle enumeration of values below KEY_PRINTING\Printers
 *********************************************************************/
 
static int print_subpath_values_printers( char *key, REGVAL_CTR *val )
{
	int 		num_values = 0;
	char		*keystr, *key2 = NULL;
	char		*base, *new_path;
	NT_PRINTER_INFO_LEVEL 	*printer = NULL;
	NT_PRINTER_INFO_LEVEL_2 *info2;
	DEVICEMODE	*devmode;
	prs_struct	prs;
	uint32		offset;
	int		snum;
	fstring		printername; 
	NT_PRINTER_DATA	*p_data;
	int		i, key_index;
	UNISTR2		data;
	
	/* 
	 * Theres are tw cases to deal with here
	 * (1) enumeration of printer_info_2 values
	 * (2) enumeration of the PrinterDriverData subney
	 */
	 
	if ( !key ) {
		/* top level key has no values */
		goto done;
	}
	
	key2 = SMB_STRDUP( key );
	keystr = key2;
	reg_split_path( keystr, &base, &new_path );
	
	fstrcpy( printername, base );
	
	if ( !new_path ) {
		char *p;

		/* we are dealing with the printer itself */

		if ( !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, printername) ) )
			goto done;

		info2 = printer->info_2;
		

		regval_ctr_addvalue( val, "Attributes",       REG_DWORD, (char*)&info2->attributes,       sizeof(info2->attributes) );
		regval_ctr_addvalue( val, "Priority",         REG_DWORD, (char*)&info2->priority,         sizeof(info2->attributes) );
		regval_ctr_addvalue( val, "ChangeID",         REG_DWORD, (char*)&info2->changeid,         sizeof(info2->changeid) );
		regval_ctr_addvalue( val, "Default Priority", REG_DWORD, (char*)&info2->default_priority, sizeof(info2->default_priority) );
		regval_ctr_addvalue( val, "Status",           REG_DWORD, (char*)&info2->status,           sizeof(info2->status) );
		regval_ctr_addvalue( val, "StartTime",        REG_DWORD, (char*)&info2->starttime,        sizeof(info2->starttime) );
		regval_ctr_addvalue( val, "UntilTime",        REG_DWORD, (char*)&info2->untiltime,        sizeof(info2->untiltime) );

		/* strip the \\server\ from this string */
		if ( !(p = strrchr( info2->printername, '\\' ) ) )
			p = info2->printername;
		else
			p++;
		init_unistr2( &data, p, UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Name", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, info2->location, UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Location", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, info2->comment, UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Description", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, info2->parameters, UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Parameters", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, info2->portname, UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Port", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, info2->sharename, UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Share Name", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, info2->drivername, UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Printer Driver", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, info2->sepfile, UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Separator File", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, "WinPrint", UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Print Processor",  REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		init_unistr2( &data, "RAW", UNI_STR_TERMINATE);
		regval_ctr_addvalue( val, "Datatype", REG_SZ, (char*)data.buffer, data.uni_str_len*sizeof(uint16) );

		
		/* use a prs_struct for converting the devmode and security 
		   descriptor to REG_BINARY */
		
		prs_init( &prs, MAX_PDU_FRAG_LEN, regval_ctr_getctx(val), MARSHALL);

		/* stream the device mode */
		
		snum = lp_servicenumber(info2->sharename);
		if ( (devmode = construct_dev_mode( snum )) != NULL )
		{			
			if ( spoolss_io_devmode( "devmode", &prs, 0, devmode ) ) {
			
				offset = prs_offset( &prs );
				
				regval_ctr_addvalue( val, "Default Devmode", REG_BINARY, prs_data_p(&prs), offset );
			}
			
			
		}
		
		prs_mem_clear( &prs );
		prs_set_offset( &prs, 0 );
		
		if ( info2->secdesc_buf && info2->secdesc_buf->len ) 
		{
			if ( sec_io_desc("sec_desc", &info2->secdesc_buf->sec, &prs, 0 ) ) {
			
				offset = prs_offset( &prs );
			
				regval_ctr_addvalue( val, "Security", REG_BINARY, prs_data_p(&prs), offset );
			}
		}

		prs_mem_free( &prs );
		
		num_values = regval_ctr_numvals( val );	
		
		goto done;
		
	}
		
	/* now enumerate the key */
	
	if ( !W_ERROR_IS_OK( get_a_printer(NULL, &printer, 2, printername) ) )
		goto done;
	
	/* iterate over all printer data and fill the regval container */
	
	p_data = &printer->info_2->data;
	if ( (key_index = lookup_printerkey( p_data, new_path )) == -1  ) {
		DEBUG(10,("print_subpath_values_printer: Unknown keyname [%s]\n", new_path));
		goto done;
	}
	
	num_values = regval_ctr_numvals( &p_data->keys[key_index].values );
	
	for ( i=0; i<num_values; i++ )
		regval_ctr_copyvalue( val, regval_ctr_specific_value(&p_data->keys[key_index].values, i) );
			

done:
	if ( printer )
		free_a_printer( &printer, 2 );
		
	SAFE_FREE( key2 ); 
	
	return num_values;
}

/**********************************************************************
 Routine to handle enumeration of subkeys and values 
 below KEY_PRINTING (depending on whether or not subkeys/val are 
 valid pointers. 
 *********************************************************************/
 
static int handle_printing_subpath( char *key, REGSUBKEY_CTR *subkeys, REGVAL_CTR *val )
{
	int result = 0;
	char *p, *base;
	int i;
	
	DEBUG(10,("handle_printing_subpath: key=>[%s]\n", key ));
	
	/* 
	 * break off the first part of the path 
	 * topmost base **must** be one of the strings 
	 * in top_level_keys[]
	 */
	
	reg_split_path( key, &base, &p);
		
	for ( i=0; i<MAX_TOP_LEVEL_KEYS; i++ ) {
		if ( StrCaseCmp( top_level_keys[i], base ) == 0 )
			break;
	}
	
	DEBUG(10,("handle_printing_subpath: base=>[%s], i==[%d]\n", base, i));	
		
	if ( !(i < MAX_TOP_LEVEL_KEYS) )
		return -1;
						
	/* Call routine to handle each top level key */
	switch ( i )
	{
		case KEY_INDEX_ENVIR:
			if ( subkeys )
				print_subpath_environments( p, subkeys );
			if ( val )
				print_subpath_values_environments( p, val );
			break;
		
		case KEY_INDEX_FORMS:
			if ( subkeys )
				print_subpath_forms( p, subkeys );
			if ( val )
				print_subpath_values_forms( p, val );
			break;
			
		case KEY_INDEX_PRINTER:
			if ( subkeys )
				print_subpath_printers( p, subkeys );
			if ( val )
				print_subpath_values_printers( p, val );
			break;
	
		/* default case for top level key that has no handler */
		
		default:
			break;
	}
	
	
	
	return result;

}
/**********************************************************************
 Enumerate registry subkey names given a registry path.  
 Caller is responsible for freeing memory to **subkeys
 *********************************************************************/
 
static int printing_subkey_info( char *key, REGSUBKEY_CTR *subkey_ctr )
{
	char 		*path;
	BOOL		top_level = False;
	int		num_subkeys = 0;
	
	DEBUG(10,("printing_subkey_info: key=>[%s]\n", key));
	
	path = trim_reg_path( key );
	
	/* check to see if we are dealing with the top level key */
	
	if ( !path )
		top_level = True;
		
	if ( top_level ) {
		/* check between the two top level keys here */
		
		if ( strequal( KEY_PRINTING, key ) ) {
			regsubkey_ctr_addkey( subkey_ctr, "Environments" );
			regsubkey_ctr_addkey( subkey_ctr, "Forms" );
		}
		else if ( strequal( KEY_PRINTING_2K, key ) ) {
			regsubkey_ctr_addkey( subkey_ctr, "Printers" );
		}
	}
	else
		num_subkeys = handle_printing_subpath( path, subkey_ctr, NULL );
	
	SAFE_FREE( path );
	
	return num_subkeys;
}

/**********************************************************************
 Enumerate registry values given a registry path.  
 Caller is responsible for freeing memory 
 *********************************************************************/

static int printing_value_info( char *key, REGVAL_CTR *val )
{
	char 		*path;
	BOOL		top_level = False;
	int		num_values = 0;
	
	DEBUG(10,("printing_value_info: key=>[%s]\n", key));
	
	path = trim_reg_path( key );
	
	/* check to see if we are dealing with the top level key */
	
	if ( !path )
		top_level = True;
	
	/* fill in values from the getprinterdata_printer_server() */
	if ( top_level ) {
		if ( strequal( key, KEY_PRINTING_PORTS ) ) 
			num_values = fill_ports_values( val );
	} else
		num_values = handle_printing_subpath( path, NULL, val );
		
	
	return num_values;
}

/**********************************************************************
 Stub function which always returns failure since we don't want
 people storing printing information directly via regostry calls
 (for now at least)
 *********************************************************************/

static BOOL printing_store_subkey( char *key, REGSUBKEY_CTR *subkeys )
{
	return True;
}

/**********************************************************************
 Stub function which always returns failure since we don't want
 people storing printing information directly via regostry calls
 (for now at least)
 *********************************************************************/

static BOOL printing_store_value( char *key, REGVAL_CTR *val )
{
	return True;
}

/* 
 * Table of function pointers for accessing printing data
 */
 
REGISTRY_OPS printing_ops = {
	printing_subkey_info,
	printing_value_info,
	printing_store_subkey,
	printing_store_value,
	NULL
};