ntoskrnl/include/internal/port.h

   1 #ifndef __INCLUDE_INTERNAL_PORT_H
   2 #define __INCLUDE_INTERNAL_PORT_H
   3
   4 #include <napi/lpc.h>
   5
   6 typedef struct _EPORT_LISTENER
   7 {
   8   HANDLE ListenerPid;
   9   LIST_ENTRY ListenerListEntry;
  10 } EPORT_LISTENER, *PEPORT_LISTENER;
  11
  12 typedef struct _EPORT
  13 {
  14   KSPIN_LOCK    Lock;
  15   KSEMAPHORE    Semaphore;
  16
  17   ULONG         State;
  18
  19   struct _EPORT * OtherPort;
  20
  21   ULONG         QueueLength;
  22   LIST_ENTRY    QueueListHead;
  23
  24   ULONG         ConnectQueueLength;
  25   LIST_ENTRY    ConnectQueueListHead;
  26
  27   ULONG         MaxDataLength;
  28   ULONG         MaxConnectInfoLength;
  29
  30   /*
  31    * List of processes that can receive connection requests on this port.
  32    */
  33   LIST_ENTRY ListenerListHead;
  34 } EPORT, * PEPORT;
  35
  36
  37 typedef struct _EPORT_TERMINATION_REQUEST
  38 {
  39         LIST_ENTRY      ThreadListEntry;
  40         PEPORT          Port;
  41 } EPORT_TERMINATION_REQUEST, *PEPORT_TERMINATION_REQUEST;
  42
  43
  44 typedef struct _EPORT_CONNECT_REQUEST_MESSAGE
  45 {
  46   LPC_MESSAGE_HEADER MessageHeader;
  47   PEPROCESS ConnectingProcess;
  48   struct _SECTION_OBJECT* SendSectionObject;
  49   LARGE_INTEGER SendSectionOffset;
  50   ULONG SendViewSize;
  51   ULONG ConnectDataLength;
  52   UCHAR ConnectData[0];
  53 } EPORT_CONNECT_REQUEST_MESSAGE, *PEPORT_CONNECT_REQUEST_MESSAGE;
  54
  55 typedef struct _EPORT_CONNECT_REPLY_MESSAGE
  56 {
  57   LPC_MESSAGE_HEADER MessageHeader;
  58   PVOID SendServerViewBase;
  59   ULONG ReceiveClientViewSize;
  60   PVOID ReceiveClientViewBase;
  61   ULONG MaximumMessageSize;
  62   ULONG ConnectDataLength;
  63   UCHAR ConnectData[0];
  64 } EPORT_CONNECT_REPLY_MESSAGE, *PEPORT_CONNECT_REPLY_MESSAGE;
  65
  66 NTSTATUS STDCALL
  67 LpcRequestPort (PEPORT          Port,
  68                 PLPC_MESSAGE    LpcMessage);
  69 NTSTATUS
  70 STDCALL
  71 LpcSendTerminationPort (PEPORT  Port,
  72                         TIME    CreationTime);
  73
  74
  75 /* EPORT.State */
  76
  77 #define EPORT_INACTIVE                (0)
  78 #define EPORT_WAIT_FOR_CONNECT        (1)
  79 #define EPORT_WAIT_FOR_ACCEPT         (2)
  80 #define EPORT_WAIT_FOR_COMPLETE_SRV   (3)
  81 #define EPORT_WAIT_FOR_COMPLETE_CLT   (4)
  82 #define EPORT_CONNECTED_CLIENT        (5)
  83 #define EPORT_CONNECTED_SERVER        (6)
  84 #define EPORT_DISCONNECTED            (7)
  85
  86 typedef struct _QUEUEDMESSAGE
  87 {
  88   PEPORT                Sender;
  89   LIST_ENTRY    QueueListEntry;
  90   LPC_MESSAGE   Message;
  91   UCHAR         MessageData [MAX_MESSAGE_DATA];
  92 } QUEUEDMESSAGE,  *PQUEUEDMESSAGE;
  93
  94 /* Code in ntoskrnl/lpc/close.h */
  95
  96 VOID STDCALL
  97 NiClosePort (PVOID      ObjectBody,
  98              ULONG      HandleCount);
  99 VOID STDCALL
 100 NiDeletePort (IN        PVOID   ObjectBody);
 101
 102 /* Code in ntoskrnl/lpc/queue.c */
 103
 104 VOID STDCALL
 105 EiEnqueueConnectMessagePort (IN OUT     PEPORT          Port,
 106                              IN PQUEUEDMESSAGE  Message);
 107 VOID STDCALL
 108 EiEnqueueMessagePort (IN OUT    PEPORT          Port,
 109                       IN        PQUEUEDMESSAGE  Message);
 110 VOID STDCALL
 111 EiEnqueueMessageAtHeadPort (IN OUT      PEPORT          Port,
 112                             IN  PQUEUEDMESSAGE  Message);
 113 PQUEUEDMESSAGE
 114 STDCALL
 115 EiDequeueConnectMessagePort (IN OUT     PEPORT  Port);
 116 PQUEUEDMESSAGE STDCALL
 117 EiDequeueMessagePort (IN OUT    PEPORT  Port);
 118
 119 /* Code in ntoskrnl/lpc/create.c */
 120
 121 NTSTATUS STDCALL
 122 NiCreatePort (PVOID                     ObjectBody,
 123               PVOID                     Parent,
 124               PWSTR                     RemainingPath,
 125               POBJECT_ATTRIBUTES        ObjectAttributes);
 126
 127 /* Code in ntoskrnl/lpc/port.c */
 128
 129 NTSTATUS STDCALL
 130 NiInitializePort (IN OUT        PEPORT  Port);
 131 NTSTATUS
 132 NiInitPort (VOID);
 133
 134 extern POBJECT_TYPE     ExPortType;
 135 extern ULONG            EiNextLpcMessageId;
 136
 137 /* Code in ntoskrnl/lpc/reply.c */
 138
 139 NTSTATUS STDCALL
 140 EiReplyOrRequestPort (IN        PEPORT          Port,
 141                       IN        PLPC_MESSAGE    LpcReply,
 142                       IN        ULONG           MessageType,
 143                       IN        PEPORT          Sender);
 144
 145
 146 #endif /* __INCLUDE_INTERNAL_PORT_H */