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729 lines
17 KiB
729 lines
17 KiB
/*++
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Copyright (c) 1992 Microsoft Corporation
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Module Name:
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atkact.c
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Abstract:
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This module contains the TDI action support code.
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Author:
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Jameel Hyder ([email protected])
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Nikhil Kamkolkar ([email protected])
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Revision History:
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19 Jun 1992 Initial Version
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Notes: Tab stop: 4
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--*/
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#include <atalk.h>
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#pragma hdrstop
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#define FILENUM ATKACT
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#ifdef ALLOC_PRAGMA
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#pragma alloc_text(PAGE_NZ, AtalkNbpTdiAction)
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#pragma alloc_text(PAGE_NZ, AtalkZipTdiAction)
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#pragma alloc_text(PAGE, AtalkAspTdiAction)
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#pragma alloc_text(PAGE, AtalkAdspTdiAction)
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#pragma alloc_text(PAGE_PAP, AtalkPapTdiAction)
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#pragma alloc_text(PAGEASPC, AtalkAspCTdiAction)
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#endif
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ATALK_ERROR
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AtalkStatTdiAction(
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IN PVOID pObject, // Address or Connection object
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IN struct _ActionReq * pActReq // Pointer to action request
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)
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/*++
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Routine Description:
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This is the entry for Statistics TdiAction call. There are no input parameters.
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The statistics structure is returned.
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Arguments:
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Return Value:
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--*/
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{
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ATALK_ERROR Error = ATALK_NO_ERROR;
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PPORT_DESCRIPTOR pPortDesc;
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KIRQL OldIrql;
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ULONG BytesCopied;
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LONG Offset;
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if (pActReq->ar_MdlSize < (SHORT)(sizeof(ATALK_STATS) +
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sizeof(ATALK_PORT_STATS) * AtalkNumberOfPorts))
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Error = ATALK_BUFFER_TOO_SMALL;
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else
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{
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#ifdef PROFILING
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// This is the only place where this is changed. And it always increases.
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// Also the stats are changed using ExInterlocked calls. Acquiring a lock
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// does little in terms of protection anyways.
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AtalkStatistics.stat_ElapsedTime = AtalkTimerCurrentTick/ATALK_TIMER_FACTOR;
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#endif
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TdiCopyBufferToMdl(&AtalkStatistics,
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0,
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sizeof(ATALK_STATS),
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pActReq->ar_pAMdl,
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0,
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&BytesCopied);
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ASSERT(BytesCopied == sizeof(ATALK_STATS));
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ACQUIRE_SPIN_LOCK(&AtalkPortLock, &OldIrql);
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for (pPortDesc = AtalkPortList, Offset = sizeof(ATALK_STATS);
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pPortDesc != NULL;
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pPortDesc = pPortDesc->pd_Next)
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{
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TdiCopyBufferToMdl(&pPortDesc->pd_PortStats,
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0,
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sizeof(ATALK_PORT_STATS),
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pActReq->ar_pAMdl,
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Offset,
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&BytesCopied);
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Offset += sizeof(ATALK_PORT_STATS);
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ASSERT(BytesCopied == sizeof(ATALK_PORT_STATS));
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}
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RELEASE_SPIN_LOCK(&AtalkPortLock, OldIrql);
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}
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(*pActReq->ar_Completion)(Error, pActReq);
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return ATALK_PENDING;
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}
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ATALK_ERROR
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AtalkNbpTdiAction(
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IN PVOID pObject, // Address or Connection object
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IN PACTREQ pActReq // Pointer to action request
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)
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/*++
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Routine Description:
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This is the entry for NBP TdiAction calls. The parameters are validated and
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the calls are dispacthed to the appropriate NBP routines.
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Arguments:
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Return Value:
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--*/
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{
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ATALK_ERROR error = ATALK_NO_ERROR;
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PDDP_ADDROBJ pDdpAddr;
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PNBPTUPLE pNbpTuple;
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PAGED_CODE ();
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// Lock the Nbp stuff, if this is the first nbp action
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AtalkLockNbpIfNecessary();
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ASSERT (VALID_ACTREQ(pActReq));
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// First get the Ddp address out of the pObject for the device
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switch (pActReq->ar_DevType)
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{
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case ATALK_DEV_DDP:
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pDdpAddr = (PDDP_ADDROBJ)pObject;
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break;
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case ATALK_DEV_ASPC:
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pDdpAddr = AtalkAspCGetDdpAddress((PASPC_ADDROBJ)pObject);
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break;
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case ATALK_DEV_ASP:
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pDdpAddr = AtalkAspGetDdpAddress((PASP_ADDROBJ)pObject);
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break;
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case ATALK_DEV_PAP:
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pDdpAddr = AtalkPapGetDdpAddress((PPAP_ADDROBJ)pObject);
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break;
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case ATALK_DEV_ADSP:
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pDdpAddr = AtalkAdspGetDdpAddress((PADSP_ADDROBJ)pObject);
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break;
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default:
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DBGPRINT(DBG_COMP_ACTION, DBG_LEVEL_FATAL,
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("AtalkNbpTdiAction: Invalid device type !!\n"));
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error = ATALK_INVALID_REQUEST;
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break;
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}
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// reference the Ddp address.
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if ((pActReq->ar_ActionCode == COMMON_ACTION_NBPREGISTER_BY_ADDR) ||
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(pActReq->ar_ActionCode == COMMON_ACTION_NBPREMOVE_BY_ADDR))
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{
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// In this case, we don't want to access the object related to
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// the filehandle in the IO request, we want to access the object
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// related to a specific user socket address.
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pNbpTuple = (PNBPTUPLE)(&((PNBP_REGDEREG_PARAMS)(pActReq->ar_pParms))->RegisterTuple);
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AtalkDdpReferenceByAddr(AtalkDefaultPort,
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&(pNbpTuple->tpl_Address),
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&pDdpAddr,
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&error);
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}
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else
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{
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AtalkDdpReferenceByPtr(pDdpAddr, &error);
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}
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if (!ATALK_SUCCESS(error))
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{
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AtalkUnlockNbpIfNecessary();
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return error;
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}
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// Call Nbp to do the right stuff
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switch (pActReq->ar_ActionCode)
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{
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case COMMON_ACTION_NBPLOOKUP:
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pNbpTuple = (PNBPTUPLE)(&((PNBP_LOOKUP_PARAMS)(pActReq->ar_pParms))->LookupTuple);
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error = AtalkNbpAction(pDdpAddr,
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FOR_LOOKUP,
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pNbpTuple,
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pActReq->ar_pAMdl,
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(USHORT)(pActReq->ar_MdlSize/sizeof(NBPTUPLE)),
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pActReq);
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break;
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case COMMON_ACTION_NBPCONFIRM:
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pNbpTuple = (PNBPTUPLE)(&((PNBP_CONFIRM_PARAMS)(pActReq->ar_pParms))->ConfirmTuple);
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error = AtalkNbpAction(pDdpAddr,
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FOR_CONFIRM,
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pNbpTuple,
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NULL,
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0,
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pActReq);
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break;
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case COMMON_ACTION_NBPREGISTER:
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pNbpTuple = (PNBPTUPLE)(&((PNBP_REGDEREG_PARAMS)(pActReq->ar_pParms))->RegisterTuple);
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error = AtalkNbpAction(pDdpAddr,
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FOR_REGISTER,
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pNbpTuple,
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NULL,
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0,
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pActReq);
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break;
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case COMMON_ACTION_NBPREMOVE:
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pNbpTuple = (PNBPTUPLE)(&((PNBP_REGDEREG_PARAMS)(pActReq->ar_pParms))->RegisteredTuple);
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error = AtalkNbpRemove(pDdpAddr,
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pNbpTuple,
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pActReq);
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break;
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case COMMON_ACTION_NBPREGISTER_BY_ADDR:
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pNbpTuple = (PNBPTUPLE)(&((PNBP_REGDEREG_PARAMS)(pActReq->ar_pParms))->RegisterTuple);
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error = AtalkNbpAction(pDdpAddr,
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FOR_REGISTER,
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pNbpTuple,
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NULL,
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0,
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pActReq);
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break;
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case COMMON_ACTION_NBPREMOVE_BY_ADDR:
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pNbpTuple = (PNBPTUPLE)(&((PNBP_REGDEREG_PARAMS)(pActReq->ar_pParms))->RegisteredTuple);
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error = AtalkNbpRemove(pDdpAddr,
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pNbpTuple,
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pActReq);
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break;
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default:
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DBGPRINT(DBG_COMP_ACTION, DBG_LEVEL_FATAL,
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("AtalkNbpTdiAction: Invalid Nbp Action !!\n"));
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error = ATALK_INVALID_REQUEST;
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break;
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}
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AtalkDdpDereference(pDdpAddr);
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if (error != ATALK_PENDING)
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{
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AtalkUnlockNbpIfNecessary();
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}
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return error;
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}
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ATALK_ERROR
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AtalkZipTdiAction(
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IN PVOID pObject, // Address or Connection object
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IN PACTREQ pActReq // Pointer to action request
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)
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/*++
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Routine Description:
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This is the entry for ZIP TdiAction calls. The parameters are validated and
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the calls are dispacthed to the appropriate ZIP routines.
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Arguments:
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Return Value:
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--*/
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{
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ATALK_ERROR error = ATALK_INVALID_PARAMETER;
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PPORT_DESCRIPTOR pPortDesc = AtalkDefaultPort;
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PWCHAR PortName = NULL;
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USHORT PortNameLen;
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UNICODE_STRING AdapterName, UpcaseAdapterName;
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WCHAR UpcaseBuffer[MAX_INTERNAL_PORTNAME_LEN];
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KIRQL OldIrql;
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int i;
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PAGED_CODE ();
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// Lock the Zip stuff, if this is the first zip action
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AtalkLockZipIfNecessary();
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ASSERT (VALID_ACTREQ(pActReq));
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if ((pActReq->ar_ActionCode == COMMON_ACTION_ZIPGETLZONESONADAPTER) ||
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(pActReq->ar_ActionCode == COMMON_ACTION_ZIPGETADAPTERDEFAULTS))
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{
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// Map the port name to the port descriptor
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if ((pActReq->ar_pAMdl != NULL) && (pActReq->ar_MdlSize > 0))
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{
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PortName = (PWCHAR)AtalkGetAddressFromMdlSafe(
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pActReq->ar_pAMdl,
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NormalPagePriority);
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}
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if (PortName == NULL)
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{
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AtalkUnlockZipIfNecessary();
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return ATALK_INVALID_PARAMETER;
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}
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PortNameLen = pActReq->ar_MdlSize/sizeof(WCHAR);
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// make sure there is a NULL char in the buffer
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for (i=0; i<PortNameLen; i++)
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{
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if (PortName[i] == UNICODE_NULL)
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{
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break;
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}
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}
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// didn't find null char within limit? bad parameter..
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if (i >= MAX_INTERNAL_PORTNAME_LEN)
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{
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DBGPRINT(DBG_COMP_ACTION, DBG_LEVEL_FATAL,
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("AtalkZipTdiAction: port name too big (%d) for %lx\n",PortNameLen,PortName));
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ASSERT(0);
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return ATALK_INVALID_PARAMETER;
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}
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PortNameLen = (USHORT)i;
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AdapterName.Buffer = PortName;
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AdapterName.Length = (PortNameLen)*sizeof(WCHAR);
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AdapterName.MaximumLength = (PortNameLen+1)*sizeof(WCHAR);
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UpcaseAdapterName.Buffer = UpcaseBuffer;
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UpcaseAdapterName.Length =
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UpcaseAdapterName.MaximumLength = sizeof(UpcaseBuffer);
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RtlUpcaseUnicodeString(&UpcaseAdapterName,
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&AdapterName,
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FALSE);
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ACQUIRE_SPIN_LOCK(&AtalkPortLock, &OldIrql);
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// Find the port corres. to the port descriptor
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for (pPortDesc = AtalkPortList;
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pPortDesc != NULL;
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pPortDesc = pPortDesc->pd_Next)
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{
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if ((UpcaseAdapterName.Length == pPortDesc->pd_AdapterName.Length) &&
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RtlEqualMemory(UpcaseAdapterName.Buffer,
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pPortDesc->pd_AdapterName.Buffer,
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UpcaseAdapterName.Length))
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{
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break;
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}
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}
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RELEASE_SPIN_LOCK(&AtalkPortLock, OldIrql);
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if (pPortDesc == NULL)
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{
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AtalkUnlockZipIfNecessary();
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return ATALK_INVALID_PARAMETER;
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}
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}
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else if (pActReq->ar_ActionCode == COMMON_ACTION_ZIPGETZONELIST)
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{
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PPORT_DESCRIPTOR pTempPortDesc = NULL;
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// This is to take care of cases when zone list is requested
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// but the default adapter has gone away during PnP, and
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// AtalkDefaultPort points to NULL
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if (pPortDesc == NULL)
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{
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DBGPRINT(DBG_COMP_ACTION, DBG_LEVEL_ERR,
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("COMMON_ACTION_ZIPGETZONELIST: PortDesc points to NULL\n"));
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AtalkUnlockZipIfNecessary();
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return ATALK_PORT_INVALID;
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}
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// Check if the AtalkDefaultPort is still in the list
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// It is possible that AtalkDefaultPort holds a non-NULL value, but
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// the adapter has gone away during a PnP
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ACQUIRE_SPIN_LOCK(&AtalkPortLock, &OldIrql);
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// Find the port corres. to the port descriptor
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for (pTempPortDesc = AtalkPortList;
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pTempPortDesc != NULL;
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pTempPortDesc = pTempPortDesc->pd_Next)
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{
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if (pTempPortDesc == pPortDesc)
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{
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break;
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}
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}
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RELEASE_SPIN_LOCK(&AtalkPortLock, OldIrql);
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if (pTempPortDesc == NULL)
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{
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DBGPRINT(DBG_COMP_ACTION, DBG_LEVEL_ERR,
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("COMMON_ACTION_ZIPGETZONELIST: PortDesc structure has gone away during PnP\n"));
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AtalkUnlockZipIfNecessary();
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return ATALK_PORT_INVALID;
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}
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}
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switch (pActReq->ar_ActionCode)
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{
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case COMMON_ACTION_ZIPGETMYZONE:
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error = AtalkZipGetMyZone( pPortDesc,
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TRUE,
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pActReq->ar_pAMdl,
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pActReq->ar_MdlSize,
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pActReq);
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break;
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case COMMON_ACTION_ZIPGETZONELIST:
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error = AtalkZipGetZoneList(pPortDesc,
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FALSE,
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pActReq->ar_pAMdl,
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pActReq->ar_MdlSize,
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pActReq);
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break;
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case COMMON_ACTION_ZIPGETADAPTERDEFAULTS:
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// Copy the network range from the port and fall through
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((PZIP_GETPORTDEF_PARAMS)(pActReq->ar_pParms))->NwRangeLowEnd =
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pPortDesc->pd_NetworkRange.anr_FirstNetwork;
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((PZIP_GETPORTDEF_PARAMS)(pActReq->ar_pParms))->NwRangeHighEnd =
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pPortDesc->pd_NetworkRange.anr_LastNetwork;
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error = AtalkZipGetMyZone(pPortDesc,
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FALSE,
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pActReq->ar_pAMdl,
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pActReq->ar_MdlSize,
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pActReq);
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break;
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case COMMON_ACTION_ZIPGETLZONESONADAPTER:
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case COMMON_ACTION_ZIPGETLZONES:
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error = AtalkZipGetZoneList(pPortDesc,
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TRUE,
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pActReq->ar_pAMdl,
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pActReq->ar_MdlSize,
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pActReq);
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break;
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default:
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DBGPRINT(DBG_COMP_ACTION, DBG_LEVEL_FATAL,
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("AtalkZipTdiAction: Invalid Zip Action !!\n"));
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error = ATALK_INVALID_REQUEST;
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break;
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}
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if (error != ATALK_PENDING)
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{
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AtalkUnlockZipIfNecessary();
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}
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return error;
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}
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ATALK_ERROR
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AtalkAspTdiAction(
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IN PVOID pObject, // Address or Connection object
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IN PACTREQ pActReq // Pointer to action request
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)
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/*++
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Routine Description:
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This is the entry for ASP TdiAction calls. The parameters are validated and
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the calls are dispacthed to the appropriate ASP routines.
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The only ASP Action is: ASP_XCHG_ENTRIES
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Arguments:
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Return Value:
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--*/
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{
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ATALK_ERROR error = ATALK_INVALID_REQUEST;
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PAGED_CODE ();
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ASSERT(VALID_ACTREQ(pActReq));
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if (pActReq->ar_ActionCode == ACTION_ASP_BIND)
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{
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if (AtalkAspReferenceAddr((PASP_ADDROBJ)pObject) != NULL)
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{
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error = AtalkAspBind((PASP_ADDROBJ)pObject,
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(PASP_BIND_PARAMS)(pActReq->ar_pParms),
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pActReq);
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AtalkAspDereferenceAddr((PASP_ADDROBJ)pObject);
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}
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}
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return error;
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}
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ATALK_ERROR
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AtalkAdspTdiAction(
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IN PVOID pObject, // Address or Connection object
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IN PACTREQ pActReq // Pointer to action request
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)
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/*++
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Routine Description:
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This is the entry for ADSP TdiAction calls. The parameters are validated and
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the calls are dispacthed to the appropriate ADSP routines.
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Arguments:
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Return Value:
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--*/
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{
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ATALK_ERROR error = ATALK_NO_ERROR;
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PAGED_CODE ();
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ASSERT (VALID_ACTREQ(pActReq));
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return error;
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}
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ATALK_ERROR
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AtalkAspCTdiAction(
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IN PVOID pObject, // Address or Connection object
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IN PACTREQ pActReq // Pointer to action request
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)
|
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/*++
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|
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Routine Description:
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|
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This is the entry for ASP Client TdiAction calls. The parameters are validated
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and the calls are dispatched to the appropriate ASP routines.
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|
|
Arguments:
|
|
|
|
|
|
Return Value:
|
|
|
|
|
|
--*/
|
|
{
|
|
ATALK_ERROR error = ATALK_NO_ERROR;
|
|
PAMDL pReplyMdl;
|
|
ATALK_ADDR atalkAddr;
|
|
BOOLEAN fWrite;
|
|
|
|
PAGED_CODE ();
|
|
|
|
ASSERT (VALID_ACTREQ(pActReq));
|
|
|
|
switch (pActReq->ar_ActionCode)
|
|
{
|
|
case ACTION_ASPCGETSTATUS:
|
|
AtalkAspCAddrReference((PASPC_ADDROBJ)pObject, &error);
|
|
if (ATALK_SUCCESS(error))
|
|
{
|
|
TDI_TO_ATALKADDR(&atalkAddr,
|
|
&(((PASPC_GETSTATUS_PARAMS)pActReq->ar_pParms)->ServerAddr));
|
|
|
|
error = AtalkAspCGetStatus((PASPC_ADDROBJ)pObject,
|
|
&atalkAddr,
|
|
pActReq->ar_pAMdl,
|
|
pActReq->ar_MdlSize,
|
|
pActReq);
|
|
|
|
AtalkAspCAddrDereference((PASPC_ADDROBJ)pObject);
|
|
}
|
|
break;
|
|
|
|
case ACTION_ASPCCOMMAND:
|
|
case ACTION_ASPCWRITE:
|
|
// Split the mdl into command and reply/write mdls. The already constructed mdl
|
|
// serves as the command mdl
|
|
// First validate that the sizes are valid
|
|
if (pActReq->ar_MdlSize < (((PASPC_COMMAND_OR_WRITE_PARAMS)pActReq->ar_pParms)->CmdSize +
|
|
((PASPC_COMMAND_OR_WRITE_PARAMS)pActReq->ar_pParms)->WriteAndReplySize))
|
|
{
|
|
error = ATALK_BUFFER_TOO_SMALL;
|
|
break;
|
|
}
|
|
pReplyMdl = AtalkSubsetAmdl(pActReq->ar_pAMdl,
|
|
((PASPC_COMMAND_OR_WRITE_PARAMS)pActReq->ar_pParms)->CmdSize,
|
|
((PASPC_COMMAND_OR_WRITE_PARAMS)pActReq->ar_pParms)->WriteAndReplySize);
|
|
if (pReplyMdl == NULL)
|
|
{
|
|
error = ATALK_RESR_MEM;
|
|
break;
|
|
}
|
|
|
|
AtalkAspCConnReference((PASPC_CONNOBJ)pObject, &error);
|
|
if (ATALK_SUCCESS(error))
|
|
{
|
|
fWrite = (pActReq->ar_ActionCode == ACTION_ASPCWRITE) ? TRUE : FALSE;
|
|
error = AtalkAspCCmdOrWrite((PASPC_CONNOBJ)pObject,
|
|
pActReq->ar_pAMdl,
|
|
((PASPC_COMMAND_OR_WRITE_PARAMS)pActReq->ar_pParms)->CmdSize,
|
|
pReplyMdl,
|
|
((PASPC_COMMAND_OR_WRITE_PARAMS)pActReq->ar_pParms)->WriteAndReplySize,
|
|
fWrite,
|
|
pActReq);
|
|
AtalkAspCConnDereference((PASPC_CONNOBJ)pObject);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
DBGPRINT(DBG_COMP_ACTION, DBG_LEVEL_FATAL,
|
|
("AtalkAspCTdiAction: Invalid Asp Client Action !!\n"));
|
|
error = ATALK_INVALID_REQUEST;
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|
|
|
|
|
|
|
|
ATALK_ERROR
|
|
AtalkPapTdiAction(
|
|
IN PVOID pObject, // Address or Connection object
|
|
IN PACTREQ pActReq // Pointer to action request
|
|
)
|
|
/*++
|
|
|
|
Routine Description:
|
|
|
|
This is the entry for PAP TdiAction calls. The parameters are validated and
|
|
the calls are dispacthed to the appropriate PAP routines.
|
|
|
|
Arguments:
|
|
|
|
|
|
Return Value:
|
|
|
|
|
|
--*/
|
|
{
|
|
ATALK_ERROR error;
|
|
ATALK_ADDR atalkAddr;
|
|
|
|
PAGED_CODE ();
|
|
|
|
ASSERT (VALID_ACTREQ(pActReq));
|
|
|
|
switch (pActReq->ar_ActionCode)
|
|
{
|
|
case ACTION_PAPGETSTATUSSRV:
|
|
AtalkPapAddrReference((PPAP_ADDROBJ)pObject, &error);
|
|
if (ATALK_SUCCESS(error))
|
|
{
|
|
TDI_TO_ATALKADDR(
|
|
&atalkAddr,
|
|
&(((PPAP_GETSTATUSSRV_PARAMS)pActReq->ar_pParms)->ServerAddr));
|
|
|
|
error = AtalkPapGetStatus((PPAP_ADDROBJ)pObject,
|
|
&atalkAddr,
|
|
pActReq->ar_pAMdl,
|
|
pActReq->ar_MdlSize,
|
|
pActReq);
|
|
|
|
AtalkPapAddrDereference((PPAP_ADDROBJ)pObject);
|
|
}
|
|
break;
|
|
|
|
case ACTION_PAPSETSTATUS:
|
|
AtalkPapAddrReference((PPAP_ADDROBJ)pObject, &error);
|
|
if (ATALK_SUCCESS(error))
|
|
{
|
|
error = AtalkPapSetStatus((PPAP_ADDROBJ)pObject,
|
|
pActReq->ar_pAMdl,
|
|
pActReq);
|
|
AtalkPapAddrDereference((PPAP_ADDROBJ)pObject);
|
|
}
|
|
break;
|
|
|
|
case ACTION_PAPPRIMEREAD:
|
|
AtalkPapConnReferenceByPtr((PPAP_CONNOBJ)pObject, &error);
|
|
if (ATALK_SUCCESS(error))
|
|
{
|
|
error = AtalkPapPrimeRead((PPAP_CONNOBJ)pObject, pActReq);
|
|
AtalkPapConnDereference((PPAP_CONNOBJ)pObject);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
DBGPRINT(DBG_COMP_ACTION, DBG_LEVEL_FATAL,
|
|
("AtalkPapTdiAction: Invalid Pap Action !!\n"));
|
|
error = ATALK_INVALID_REQUEST;
|
|
break;
|
|
}
|
|
|
|
return error;
|
|
}
|
|
|