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rpcrt4!COMMON_AddressManager函数分析之和全局变量rpcrt4!AddressList的关系

news 2025/5/11 1:35:58

第一部分：
1: kd> x rpcrt4!addresslist
77c839dc          RPCRT4!AddressList = 0x00000000
1: kd> g
Breakpoint 2 hit
RPCRT4!OSF_ADDRESS::CompleteListen:
001b:77c0c973 55              push    ebp
1: kd> g
Breakpoint 11 hit
RPCRT4!COMMON_AddressManager:
001b:77c66bfc 55              push    ebp
1: kd> kc
#
00 RPCRT4!COMMON_AddressManager
01 RPCRT4!COMMON_ServerCompleteListen
02 RPCRT4!OSF_ADDRESS::CompleteListen
03 RPCRT4!RPC_SERVER::UseRpcProtocolSequence
04 RPCRT4!I_RpcServerUseProtseqEp2W
05 RPCRT4!RpcServerUseProtseqEpExW
06 RPCRT4!RpcServerUseProtseqEpW
07 LSASRV!DPAPIInitialize
08 LSASRV!LsapInitLsa
09 lsass!main
0a lsass!mainNoCRTStartup
0b kernel32!BaseProcessStart
1: kd> dv
       pAddress = 0x00b01b18

1: kd> dt nmp_address 00b01b18
RPCRT4!NMP_ADDRESS
   +0x000 __VFN_table : 0xbaadf00d
   +0x004 type             : 2
   +0x008 id               : 0n3
   +0x00c fAborted         : 0n-1163005939
   +0x010 ObjectList       : _LIST_ENTRY [ 0xbaadf00d - 0xbaadf00d ]
   +0x018 Endpoint         : 0x00b01c4e -> 0x5c
   +0x01c pAddressVector   : 0x00b01df0 NETWORK_ADDRESS_VECTOR
   +0x020 SubmitListen     : 0x77c7176c     void RPCRT4!NMP_SubmitConnect+0
   +0x024 InAddressList    : 0 ( NotInList )
   +0x028 EndpointFlags    : 0xbaadf00d
   +0x02c pNext            : (null)
   +0x030 pFirstAddress    : 0x00b01b18 BASE_ADDRESS
   +0x034 pNextAddress     : (null)
   +0x038 fDynamicEndpoint : 0n-1163005939
   +0x03c Listen           : BASE_OVERLAPPED
   +0x058 NewConnection    : 0x77c72b6d     long RPCRT4!NMP_NewConnection+0
   +0x05c hConnectPipe     : (null)
   +0x060 sparePipes       : HandleCache
   +0x068 SecurityDescriptor : 0x00b01cc8 Void
   +0x06c LocalEndpoint    : 0x00b01c48 -> 0x5c

第三部分：
RPC_STATUS
OSF_ADDRESS::CompleteListen (
    )
{
    if (ServerInfo->CompleteListen != 0)
        {
        ServerInfo->CompleteListen(InqRpcTransportAddress());
        }

inline RPC_TRANSPORT_ADDRESS
OSF_ADDRESS::InqRpcTransportAddress (
    )
{
    return((RPC_TRANSPORT_ADDRESS)
            (((char *) this) + sizeof(OSF_ADDRESS)));
}

0: kd> dx -id 0,0,898bcd88 -r1 ((RPCRT4!RPC_CONNECTION_TRANSPORT *)0x77bece00)
((RPCRT4!RPC_CONNECTION_TRANSPORT *)0x77bece00)                 : 0x77bece00 [Type: RPC_CONNECTION_TRANSPORT *]
    [+0x000] TransInterfaceVersion : 0x2004 [Type: unsigned int]
    [+0x004] TransId          : 0xf [Type: unsigned short]
    [+0x006] TransAddrId      : 0x11 [Type: unsigned short]
    [+0x008] ProtocolSequence : 0x77bd2264 : 0x6e [Type: unsigned short *]

[+0x07c] CompleteListen : 0x77c66e46 [Type: void (*)(void *)]

0: kd> u 77c66e46
RPCRT4!COMMON_ServerCompleteListen [d:\srv03rtm\com\rpc\runtime\trans\common\complete.cxx @ 199]:
77c66e46 ?? ???
^ Memory access error in 'u 77c66e46'

void RPC_ENTRY
COMMON_ServerCompleteListen(
    IN RPC_TRANSPORT_ADDRESS ThisAddress
    )
{
    BASE_ADDRESS *pList = (BASE_ADDRESS *) ThisAddress;

    while(pList)
        {
        COMMON_AddressManager(pList);
        pList = pList->pNextAddress;
        }

第四部分：

RPC_STATUS
OSF_ADDRESS::ServerSetupAddress (
    IN RPC_CHAR * NetworkAddress,
    IN RPC_CHAR * *Endpoint,
    IN unsigned int PendingQueueSize,
    IN void * SecurityDescriptor, OPTIONAL
    IN unsigned long EndpointFlags,
    IN unsigned long NICFlags
    )
{

RPC_STATUS Status;

    Status = ServerInfo->Listen(InqRpcTransportAddress(),
                                            NetworkAddress,
                                            Endpoint,
                                            PendingQueueSize,
                                            SecurityDescriptor,
                                            EndpointFlags,
                                            NICFlags);

1: kd> dx -id 0,0,898bcd88 -r1 ((RPCRT4!RPC_CONNECTION_TRANSPORT *)0x77bece00)
((RPCRT4!RPC_CONNECTION_TRANSPORT *)0x77bece00)                 : 0x77bece00 [Type: RPC_CONNECTION_TRANSPORT *]
    [+0x000] TransInterfaceVersion : 0x2004 [Type: unsigned int]
    [+0x004] TransId          : 0xf [Type: unsigned short]
    [+0x006] TransAddrId      : 0x11 [Type: unsigned short]
    [+0x008] ProtocolSequence : 0x77bd2264 : 0x6e [Type: unsigned short *]

[+0x074] Listen : 0x77c72beb [Type: long (*)(void *,unsigned short *,unsigned short * *,unsigned int,void *,unsigned long,unsigned long)]

1: kd> u 77c72beb
RPCRT4!NMP_ServerListen [d:\srv03rtm\com\rpc\runtime\trans\common\nptrans.cxx @ 823]:
77c72beb 55 push ebp
77c72bec 8bec mov ebp,esp

RPC_STATUS
NMP_ServerListen(
    IN RPC_TRANSPORT_ADDRESS ThisAddress,
    IN PWSTR NetworkAddress,
    IN OUT PWSTR *pEndpoint,
    IN UINT PendingQueueSize,
    IN PSECURITY_DESCRIPTOR SecurityDescriptor,
    IN ULONG EndpointFlags,
    IN ULONG NICFlags
    )
{
    BOOL b;
    INT i;
    RPC_STATUS status;
    PWSTR LocalPipeEndpoint;
    PNMP_ADDRESS pAddress = (PNMP_ADDRESS)ThisAddress;
    BOOL fEndpointCreated = FALSE;

    pAddress->type = ADDRESS;
    pAddress->id = NMP;
    pAddress->NewConnection = NMP_NewConnection;
    pAddress->SubmitListen = NMP_SubmitConnect;
    pAddress->InAddressList = NotInList;
    pAddress->pNext = 0;
    pAddress->hConnectPipe = 0;

1: kd> x rpcrt4!addresslist
77c839dc RPCRT4!AddressList = 0x00000000

        // The address should not be in the list.
        BASE_ADDRESS *pT = AddressList;
        while(pT)           //不符合条件
            {
            ASSERT(pT != pAddress);
            pT = pT->pNext;
            }
        #endif

        pAddress->pNext = AddressList;
        AddressList = pAddress;
        pAddress->InAddressList = InTheList;

1: kd> dt rpcrt4!addresslist
0x00b01b18
   +0x000 __VFN_table : 0xbaadf00d
   +0x004 type             : 2
   +0x008 id               : 0n3
   +0x00c fAborted         : 0n-1163005939
   +0x010 ObjectList       : _LIST_ENTRY [ 0xbaadf00d - 0xbaadf00d ]
   +0x018 Endpoint         : 0x00b01c4e -> 0x5c
   +0x01c pAddressVector   : 0x00b01df0 NETWORK_ADDRESS_VECTOR
   +0x020 SubmitListen     : 0x77c7176c     void RPCRT4!NMP_SubmitConnect+0
   +0x024 InAddressList    : 1 ( InTheList )
   +0x028 EndpointFlags    : 0xbaadf00d
   +0x02c pNext            : (null)
   +0x030 pFirstAddress    : 0x00b01b18 BASE_ADDRESS
   +0x034 pNextAddress     : (null)
   +0x038 fDynamicEndpoint : 0n-1163005939

1: kd> dt nmp_address 00b01b18
RPCRT4!NMP_ADDRESS
   +0x000 __VFN_table : 0xbaadf00d
   +0x004 type             : 2
   +0x008 id               : 0n3
   +0x00c fAborted         : 0n-1163005939
   +0x010 ObjectList       : _LIST_ENTRY [ 0xbaadf00d - 0xbaadf00d ]
   +0x018 Endpoint         : 0x00b01c4e -> 0x5c
   +0x01c pAddressVector   : 0x00b01df0 NETWORK_ADDRESS_VECTOR
   +0x020 SubmitListen     : 0x77c7176c     void RPCRT4!NMP_SubmitConnect+0
   +0x024 InAddressList    : 1 ( InTheList )
   +0x028 EndpointFlags    : 0xbaadf00d
   +0x02c pNext            : (null)
   +0x030 pFirstAddress    : 0x00b01b18 BASE_ADDRESS
   +0x034 pNextAddress     : (null)
   +0x038 fDynamicEndpoint : 0n-1163005939
   +0x03c Listen           : BASE_OVERLAPPED
   +0x058 NewConnection    : 0x77c72b6d     long RPCRT4!NMP_NewConnection+0
   +0x05c hConnectPipe     : (null)
   +0x060 sparePipes       : HandleCache
   +0x068 SecurityDescriptor : 0x00b01cc8 Void
   +0x06c LocalEndpoint    : 0x00b01c48 -> 0x5c