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527f2f9057
* Create a branch for some evul shell experiments. svn path=/branches/shell-experiments/; revision=61927
126 lines
2.7 KiB
C
126 lines
2.7 KiB
C
/*
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* PROJECT: Local Security Authority Server DLL
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: dll/win32/lsasrv/session.c
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* PURPOSE: Logon session management routines
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* COPYRIGHT: Copyright 2013 Eric Kohl
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*/
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#include "lsasrv.h"
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typedef struct _LSAP_LOGON_SESSION
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{
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LIST_ENTRY Entry;
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LUID LogonId;
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} LSAP_LOGON_SESSION, *PLSAP_LOGON_SESSION;
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/* GLOBALS *****************************************************************/
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LIST_ENTRY SessionListHead;
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ULONG SessionCount;
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/* FUNCTIONS ***************************************************************/
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VOID
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LsapInitLogonSessions(VOID)
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{
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InitializeListHead(&SessionListHead);
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SessionCount = 0;
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}
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static
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PLSAP_LOGON_SESSION
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LsapGetLogonSession(IN PLUID LogonId)
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{
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PLIST_ENTRY SessionEntry;
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PLSAP_LOGON_SESSION CurrentSession;
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SessionEntry = SessionListHead.Flink;
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while (SessionEntry != &SessionListHead)
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{
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CurrentSession = CONTAINING_RECORD(SessionEntry,
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LSAP_LOGON_SESSION,
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Entry);
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if (RtlEqualLuid(&CurrentSession->LogonId, LogonId))
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return CurrentSession;
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SessionEntry = SessionEntry->Flink;
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}
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return NULL;
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}
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NTSTATUS
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LsapSetLogonSessionData(IN PLUID LogonId)
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{
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PLSAP_LOGON_SESSION Session;
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TRACE("()\n");
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Session = LsapGetLogonSession(LogonId);
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if (Session == NULL)
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return STATUS_NO_SUCH_LOGON_SESSION;
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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LsapCreateLogonSession(IN PLUID LogonId)
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{
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PLSAP_LOGON_SESSION Session;
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TRACE("()\n");
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/* Fail, if a session already exists */
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if (LsapGetLogonSession(LogonId) != NULL)
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return STATUS_LOGON_SESSION_COLLISION;
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/* Allocate a new session entry */
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Session = RtlAllocateHeap(RtlGetProcessHeap(),
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HEAP_ZERO_MEMORY,
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sizeof(LSAP_LOGON_SESSION));
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if (Session == NULL)
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return STATUS_INSUFFICIENT_RESOURCES;
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/* Initialize the session entry */
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RtlCopyLuid(&Session->LogonId, LogonId);
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/* Insert the new session into the session list */
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InsertTailList(&SessionListHead, &Session->Entry);
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SessionCount++;
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return STATUS_SUCCESS;
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}
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NTSTATUS
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NTAPI
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LsapDeleteLogonSession(IN PLUID LogonId)
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{
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PLSAP_LOGON_SESSION Session;
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TRACE("()\n");
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/* Fail, if the session does not exist */
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Session = LsapGetLogonSession(LogonId);
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if (Session == NULL)
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return STATUS_NO_SUCH_LOGON_SESSION;
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/* Remove the session entry from the list */
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RemoveEntryList(&Session->Entry);
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SessionCount--;
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/* Free the session entry */
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RtlFreeHeap(RtlGetProcessHeap(), 0, Session);
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return STATUS_SUCCESS;
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}
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/* EOF */
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