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#include "printman.h"
TCHAR szRegPrintManager[] = TEXT("Software\\Microsoft\\Windows NT\\CurrentVersion\\Print Manager");
/* WriteRegistryData
* * Writes a bunch of information to the registry * * Parameters: * * pEntryNode - The node under Print Manager which should be created * or opened for this data. * * pEntryName - The name of the value under pEntryNode to be set. * * pData - Pointer to the value data to be written. * * pEntry - A pointer to a REGISTRY_ENTRY structure which contains * the offset of the data pointed at by pData. * * * This routine is fairly generic, apart from the name of the top-level node. * * The data are stored in the following registry tree: * * HKEY_CURRENT_USER * � * �� Software * � * �� Microsoft * � * �� Windows NT * � * �� CurrentVersion * � * �� Print Manager * � * �� Printers * � * � My Favourite Printer (e.g.) * � * � My Laserjet Printer (e.g.) * � * � \\NTPRINT\Laserjet (e.g.) * � * �� Servers * * \\NTPRINT (e.g.) * * * Return: * * Registry status return (NO_ERROR is good) * * * Andrew Bell (andrewbe) wrote it, 10 September 1992 * */DWORD WriteRegistryData( LPTSTR pEntryNode, LPTSTR pEntryName, LPBYTE pData, PREGISTRY_ENTRY pEntry ){ DWORD Status; HKEY hkeyPrintManager; HKEY hkeyEntryNode;
/* Open or create the top-level node. For Print Manager this is:
* "Software\\Microsoft\\Windows NT\\CurrentVersion\\Print Manager" */ Status = RegCreateKeyEx( HKEY_CURRENT_USER, szRegPrintManager, 0, NULL, 0, KEY_WRITE, NULL, &hkeyPrintManager, NULL );
if( Status == NO_ERROR ) { /* Open or create the sub-node. For Print Manager this is:
* "Printers", "Servers" or NULL. */ if( pEntryNode ) Status = RegCreateKeyEx( hkeyPrintManager, pEntryNode, 0, NULL, 0, KEY_WRITE, NULL, &hkeyEntryNode, NULL ); else hkeyEntryNode = hkeyPrintManager;
if( Status == NO_ERROR ) { Status = RegSetValueEx( hkeyEntryNode, pEntryName, 0, pEntry->Type, pData, pEntry->Size );
if( pEntryNode ) RegCloseKey( hkeyEntryNode ); }
else { DBGMSG( DBG_ERROR, ( "RegCreateKeyEx (%s) failed: Error = %d\n", pEntryNode, Status ) ); }
RegCloseKey( hkeyPrintManager ); }
else { DBGMSG( DBG_ERROR, ( "RegCreateKeyEx (%s) failed: Error = %d\n", szRegPrintManager, Status ) ); }
return Status;}
/* ReadRegistryData
* * Reads information from the registry * * Parameters: * * pEntryNode - The node under Print Manager which should be opened * for this data. * * pEntryName - The name of the value under pEntryNode to be retrieved. * * pData - Pointer to a buffer to receive the value data. * * pEntry - A pointer to a REGISTRY_ENTRY structure which contains * the name for each of the entries and the offset of the corresponding * data in pData. * * * Return: * * Registry status return (NO_ERROR is good) * * * Andrew Bell (andrewbe) wrote it, 10 September 1992 * */DWORD ReadRegistryData( LPTSTR pEntryNode, LPTSTR pEntryName, LPBYTE pData, PREGISTRY_ENTRY pEntry ){ DWORD Status; HKEY hkeyPrintManager; HKEY hkeyEntryNode; DWORD Size;
/* Open the top-level node. For Print Manager this is:
* "Software\\Microsoft\\Windows NT\\CurrentVersion\\Print Manager" */ Status = RegOpenKeyEx( HKEY_CURRENT_USER, szRegPrintManager, 0, KEY_READ, &hkeyPrintManager );
if( Status == NO_ERROR ) { /* Open the sub-node. For Print Manager this is:
* "Printers", "Servers" or NULL. */ if( pEntryNode ) Status = RegOpenKeyEx( hkeyPrintManager, pEntryNode, 0, KEY_READ, &hkeyEntryNode ); else hkeyEntryNode = hkeyPrintManager;
if( Status == NO_ERROR ) { Size = pEntry->Size;
/* Read the entry from the registry:
*/ Status = RegQueryValueEx( hkeyEntryNode, pEntryName, 0, NULL, pData, &Size );
if( pEntryNode ) RegCloseKey( hkeyEntryNode ); }
else { DBGMSG( DBG_INFO, ( "RegOpenKeyEx (%s) failed: Error = %d\n", pEntryNode, Status ) ); }
RegCloseKey( hkeyPrintManager ); }
else { DBGMSG( DBG_INFO, ( "RegOpenKeyEx (%s) failed: Error = %d\n", szRegPrintManager, Status ) ); }
return Status;}
/* EnumRegistryValues
* * Enumerates the values of the specified key and calls the supplied routine. * * Arguments: * * pEntryNode - The node whose values are to enumerated. * * pfnEnum - A callback routine which will be called with pContext * and a pointer to the enumerated information. * This should return NO_ERROR as long * as the enumeration should continue. * * pContext - A pointer to the caller's data. This is passed to the callback * routine. * * * Return: * * Registry status return (NO_ERROR is good) * * * Andrew Bell (andrewbe) wrote it, 10 September 1992 * */DWORD EnumRegistryValues( LPTSTR pEntryNode, ENUMREGPROC pfnEnum, PVOID pContext ){ DWORD Status; HKEY hkeyPrintManager; HKEY hkeyEntryNode; TCHAR Buffer[MAX_PATH]; DWORD BufferSize; DWORD i;
/* Open the top-level node. For Print Manager this is:
* "Software\\Microsoft\\Windows NT\\CurrentVersion\\Print Manager" */ Status = RegOpenKeyEx( HKEY_CURRENT_USER, szRegPrintManager, 0, KEY_READ, &hkeyPrintManager );
if( Status == NO_ERROR ) { /* Open the sub-node. For Print Manager this is
* "Printers" or "Servers". */ Status = RegOpenKeyEx( hkeyPrintManager, pEntryNode, 0, KEY_READ, &hkeyEntryNode );
if( Status == NO_ERROR ) { i = 0;
while( Status == NO_ERROR ) { BufferSize = sizeof Buffer/sizeof(TCHAR);
Status = RegEnumValue( hkeyEntryNode, i, Buffer, &BufferSize, NULL, NULL, NULL, NULL );
if( Status == NO_ERROR ) { Status = (*pfnEnum)( pContext, Buffer, NULL ); }
i++; }
/* We expect RegEnumKeyEx to return ERROR_NO_MORE_ITEMS
* when it gets to the end of the keys, so reset the status: */ if( Status == ERROR_NO_MORE_ITEMS ) Status = NO_ERROR;
RegCloseKey( hkeyEntryNode ); }
else { DBGMSG( DBG_INFO, ( "RegOpenKeyEx (%s) failed: Error = %d\n", pEntryNode, Status ) ); }
RegCloseKey( hkeyPrintManager ); }
else { DBGMSG( DBG_INFO, ( "RegOpenKeyEx (%s) failed: Error = %d\n", szRegPrintManager, Status ) ); }
return Status;}
/* DeleteRegistryValues
* * Enumerates the values of the specified key and deletes them. * * Argument: * * pNode - The key whose values are to be deleted. * * * Return: * * Registry status return (NO_ERROR is good) * * * Andrew Bell (andrewbe) wrote it, 10 September 1992 * */DWORD DeleteRegistryValues( LPTSTR pNode ){ DWORD Status; DWORD DeleteStatus; HKEY hkeyPrintManager; HKEY hkeyNode; TCHAR Buffer[MAX_PATH]; DWORD BufferSize; DWORD i;
/* Open the top-level node. For Print Manager this is:
* "Software\\Microsoft\\Windows NT\\CurrentVersion\\Print Manager" */ Status = RegOpenKeyEx( HKEY_CURRENT_USER, szRegPrintManager, 0, KEY_READ | KEY_WRITE, &hkeyPrintManager );
if( Status == NO_ERROR ) { /* Open the sub-node. For Print Manager this is
* "Printers" or "Servers". */ Status = RegOpenKeyEx( hkeyPrintManager, pNode, 0, KEY_READ | KEY_WRITE, &hkeyNode );
if( Status == NO_ERROR ) { i = 0;
while( Status == NO_ERROR ) { BufferSize = sizeof Buffer;
Status = RegEnumValue( hkeyNode, i, Buffer, &BufferSize, NULL, NULL, NULL, NULL );
if( Status == NO_ERROR ) { DeleteStatus = RegDeleteValue( hkeyNode, Buffer );
if( DeleteStatus != NO_ERROR ) { DBGMSG( DBG_ERROR, ( "RegDeleteValue (%s) failed: Error = %d\n", Buffer, DeleteStatus ) ); } }
i++; }
if( Status == ERROR_NO_MORE_ITEMS ) Status = NO_ERROR;
RegCloseKey( hkeyNode ); }
else { DBGMSG( DBG_INFO, ( "RegOpenKeyEx (%s) failed: Error = %d\n", pNode, Status ) ); }
RegCloseKey( hkeyPrintManager ); }
else { DBGMSG( DBG_INFO, ( "RegOpenKeyEx (%s) failed: Error = %d\n", szRegPrintManager, Status ) ); }
return Status;}
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