154 lines
3.1 KiB
C
154 lines
3.1 KiB
C
/*++
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Copyright (c) 1991-1992 Microsoft Corporation
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Module Name:
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Conn.c
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Abstract:
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This module contains support for the Connection catagory of APIs for
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the NT server service.
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Author:
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David Treadwell (davidtr) 23-Feb-1991
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Revision History:
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--*/
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#include "srvsvcp.h"
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NET_API_STATUS NET_API_FUNCTION
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NetrConnectionEnum (
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IN LPTSTR ServerName,
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IN LPTSTR Qualifier,
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IN LPCONNECT_ENUM_STRUCT InfoStruct,
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IN DWORD PreferredMaximumLength,
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OUT LPDWORD TotalEntries,
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IN OUT LPDWORD ResumeHandle OPTIONAL
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)
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/*++
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Routine Description:
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This routine communicates with the server FSD to implement the
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NetConnectionEnum function.
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Arguments:
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None.
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Return Value:
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NET_API_STATUS - NO_ERROR or reason for failure.
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--*/
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{
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NET_API_STATUS error;
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PSERVER_REQUEST_PACKET srp;
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ServerName;
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//
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// Make sure that the level is valid. Since it is an unsigned
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// value, it can never be less than 0.
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//
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if ( InfoStruct->Level > 1 ) {
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return ERROR_INVALID_LEVEL;
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}
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//
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// The qualifier cannot be null or can it be a null string
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//
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if ( Qualifier == NULL || *Qualifier == L'\0' ||
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InfoStruct->ConnectInfo.Level1 == NULL ) {
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return ERROR_INVALID_PARAMETER;
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}
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//
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// Make sure that the caller is allowed to get connection
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// information in the server.
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//
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error = SsCheckAccess(
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&SsConnectionSecurityObject,
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SRVSVC_CONNECTION_INFO_GET
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);
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if ( error != NO_ERROR ) {
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return ERROR_ACCESS_DENIED;
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}
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//
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// Set up the input parameters in the request buffer.
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//
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srp = SsAllocateSrp( );
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if ( srp == NULL ) {
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return ERROR_NOT_ENOUGH_MEMORY;
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}
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srp->Level = InfoStruct->Level;
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#ifdef UNICODE
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RtlInitUnicodeString( &srp->Name1, Qualifier );
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#else
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{
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OEM_STRING ansiString;
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NTSTATUS status;
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NetpInitOemString( &ansiString, Qualifier );
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status = RtlOemStringToUnicodeString( &srp->Name1, &ansiString, TRUE );
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SS_ASSERT( NT_SUCCESS(status) );
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}
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#endif
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if ( ARGUMENT_PRESENT( ResumeHandle ) ) {
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srp->Parameters.Get.ResumeHandle = *ResumeHandle;
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} else {
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srp->Parameters.Get.ResumeHandle = 0;
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}
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//
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// Get the data from the server. This routine will allocate the
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// return buffer and handle the case where PreferredMaximumLength ==
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// -1.
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//
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error = SsServerFsControlGetInfo(
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FSCTL_SRV_NET_CONNECTION_ENUM,
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srp,
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(PVOID *)&InfoStruct->ConnectInfo.Level1->Buffer,
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PreferredMaximumLength
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);
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//
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// Set up return information.
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//
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InfoStruct->ConnectInfo.Level1->EntriesRead =
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srp->Parameters.Get.EntriesRead;
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*TotalEntries = srp->Parameters.Get.TotalEntries;
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if ( srp->Parameters.Get.EntriesRead > 0 &&
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ARGUMENT_PRESENT( ResumeHandle ) ) {
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*ResumeHandle = srp->Parameters.Get.ResumeHandle;
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}
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#ifndef UNICODE
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RtlFreeUnicodeString( &srp->Name1 );
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#endif
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SsFreeSrp( srp );
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return error;
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} // NetrConnectionEnum
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