/**************************************************************************\
* LPLow.C *
*------------------------------------------------------------------------*
* *
* PPR Support for low level network and path handling. *
* *
\**************************************************************************/
#include <nt.h>
#include <ntrtl.h>
#include <nturtl.h>
#include <windef.h>
#include <stdio.h>
#include <string.h>
#define INCL_NETUSE
#define INCL_NETWKSTA
#define INCL_NETERRORS
#include <windows.h>
#include "lpr.h"
extern BOOL fVerify; /* From LPR.C */
BOOL fRedir = FALSE; /* TRUE => a redirection was used */
void SetupRedir()
{
int err;
DWORD wnError;
CHAR szRemoteName[256];
DWORD BufferSize = sizeof(szRemoteName)/sizeof(szRemoteName[0]);
if (*szNet == '\0' || _strcmpi(szNet, "None") == 0)
return; /* don't try to make connection */
if(szPass) {
strcpy(szNet + strlen(szNet) + 1, szPass);
}
if ( WN_SUCCESS != ( wnError = WNetGetConnection ( (PTSTR) szPName,
szRemoteName,
&BufferSize ) ) ) {
if ( (wnError != WN_NOT_CONNECTED) &&
(wnError != WN_CONNECTION_CLOSED) ) {
switch( wnError ) {
case WN_NO_NETWORK:
Fatal("The network is not installed or workstation not started");
break;
case WN_BAD_LOCALNAME:
Fatal("Invalid local name specified");
break;
case WN_EXTENDED_ERROR:
Fatal("Extended error from WNetGetConnection" );
break;
default:
Fatal("error from WNetGetConnection: %d",wnError );
break;
}
}
}
else { /* no error */
if ( !strcmp( szRemoteName, szNet ) ) {
return;
}
}
/* no redirection, so set one up */
if ((err = SetPrnRedir(szPName, szNet)) == 0)
fRedir = TRUE;
else if (err == 1)
Fatal("redirection of %s to %s failed (%d)\nredirector is not started",
szPName,szNet,(char *)err);
else if (err != ERROR_ALREADY_ASSIGNED)
Fatal("redirection of %s to %s failed (%d)",
szPName,szNet,(char *)err);
}
void ResetRedir()
{
int err;
if (fRedir)
{
if ((err = EndRedir(szPName)) != 0)
Error("removal of redirection failed (%d)", err);
fRedir = FALSE;
}
}
int EndRedir(szDev)
/* End redirection for szDev, return 0 if success */
/* otherwise return error number */
char * szDev;
{
DWORD wnError;
if (WN_SUCCESS != ( wnError = WNetCancelConnection ( szDev, TRUE) ) ) {
return ( 0 );
}
else {
return ( (int) wnError );
}
}
int SetPrnRedir(szDev, szPath)
char *szDev;
char *szPath;
{
DWORD wnError;
/* return 0, 1 or other error */
if ( szPass && *szPass ) {
wnError = WNetAddConnection ( (LPTSTR) szPath, (LPTSTR) szPass, (LPTSTR) szDev );
} else {
wnError = WNetAddConnection ( (LPTSTR) szPath, NULL, (LPTSTR) szDev );
}
if(wnError == WN_SUCCESS) {
wnError = 0;
} else if((wnError == WN_NO_NETWORK) || (wnError == WN_NO_NET_OR_BAD_PATH)) {
wnError = 1;
}
return ( (int)wnError );
}
BOOL QueryUserName(char *szName)
{
UCHAR pUserName [128];
DWORD BufferSize = 128;
BOOL rc;
DWORD wnError;
if (WN_SUCCESS != ( wnError = WNetGetUser ( NULL, (LPTSTR) pUserName, &BufferSize ) ) ) {
strcpy(szName,"no name");
rc = FALSE;
if(fVerify) {
fprintf(stdout,"Warning: WNetGetUser returns %d\n", wnError );
}
} else {
strcpy(szName, pUserName);
rc = TRUE;
}
return(rc);
}
