windows-nt/Source/XPSP1/NT/base/fs/utils/fdisk/network.c
2020-09-26 16:20:57 +08:00

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/*++
Copyright (c) 1993-1994 Microsoft Corporation
Module Name:
network.c
Abstract:
This module contains the set of routines that support updating network
drive shares when adding and deleting drive letters.
Author:
Bob Rinne (bobri) 12/26/94
Environment:
User process.
Notes:
Revision History:
--*/
#include "fdisk.h"
#include "shellapi.h"
#include <winbase.h>
#include <string.h>
#include <stdio.h>
#include <malloc.h>
#include <lm.h>
// Data area to hold the permissions that are to be assigned to the
// administrative shares C$, D$, etc. This is obtained during initialization
// and not changed, just used when a new administrator share needes to
// be made.
LPBYTE ShareInformationBuffer;
// Only perform network actions if this value is true. This value
// is set if the initialization of this module completes successfully.
BOOLEAN NetworkEnabled;
VOID
NetworkInitialize(
)
/*++
Routine Description:
Intialize the permissions constants for any new administrator
driver letter shares.
Arguments:
None
Return Value:
None
--*/
{
WCHAR shareName[4];
NET_API_STATUS status;
PSHARE_INFO_502 info;
LPTSTR string;
shareName[1] = (WCHAR) '$';
shareName[2] = (WCHAR) 0;
for (shareName[0] = (WCHAR) 'C'; shareName[0] <= (WCHAR) 'Z'; shareName[0]++) {
// Since windisk is still built as a non-unicode application,
// the parameter "shareName" must be unicode, but the prototype
// specifies that it is a (char *). Do the typecast to remove
// warnings.
status = NetShareGetInfo(NULL,
(char *) shareName,
502,
&ShareInformationBuffer);
if (status == NERR_Success) {
// Update the remarks and password to be NULL.
info = (PSHARE_INFO_502) ShareInformationBuffer;
string = info->shi502_remark;
if (string) {
*string = (TCHAR) 0;
}
string = info->shi502_passwd;
if (string) {
*string = (TCHAR) 0;
}
// Network shares are to be updated.
NetworkEnabled = TRUE;
return;
}
}
// Can't find any network shares - do not attempt updates
// of administrator shares.
NetworkEnabled = FALSE;
}
VOID
NetworkShare(
IN LPCTSTR DriveLetter
)
/*++
Routine Description:
Given a drive letter, construct the default administrator share
for the letter. This is the C$, D$, etc share for the drive.
Arguments:
DriveLetter - the drive letter to share.
Return Value:
None
--*/
{
NET_API_STATUS status;
PSHARE_INFO_502 info;
LPTSTR string;
if (NetworkEnabled) {
info = (PSHARE_INFO_502) ShareInformationBuffer;
// Set up the new network name.
string = info->shi502_netname;
*string = *DriveLetter;
// Set up the path. All that need be added is the drive letter
// the rest of the path (":\") is already in the structure.
string = info->shi502_path;
*string = *DriveLetter;
status = NetShareAdd(NULL,
502,
ShareInformationBuffer,
NULL);
}
}
VOID
NetworkRemoveShare(
IN LPCTSTR DriveLetter
)
/*++
Routine Description:
Remove the administrator share for the given letter.
Arguments:
DriveLetter - the drive letter to share.
Return Value:
None
--*/
{
NET_API_STATUS status;
WCHAR shareName[4];
if (NetworkEnabled) {
shareName[0] = (WCHAR) *DriveLetter;
shareName[1] = (WCHAR) '$';
shareName[2] = (WCHAR) 0;
// Since windisk is still built as a non-unicode application,
// the parameter "shareName" must be unicode, but the prototype
// specifies that it is a (char *). Do the typecast to remove
// warnings.
status = NetShareDel(NULL,
(char *) shareName,
0);
}
}