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/*++ BUILD Version: 0002 // Increment this if a change has global effects
Copyright (c) 1989-1993 Microsoft Corporation
Module Name:
ntlpcapi.h
Abstract:
This is the include file for the Local Procedure Call (LPC) sub-component
of NTOS.
Author:
Steve Wood (stevewo) 13-Mar-1989
Revision History:
--*/
#ifndef _NTLPCAPI_
#define _NTLPCAPI_
//
// Connection Port Type Specific Access Rights.
//
#define PORT_CONNECT (0x0001)
#define PORT_ALL_ACCESS (STANDARD_RIGHTS_REQUIRED | 0x1)
// begin_ntsrv
typedef struct _PORT_MESSAGE {
union {
struct {
CSHORT DataLength;
CSHORT TotalLength;
} s1;
ULONG Length;
} u1;
union {
struct {
CSHORT Type;
CSHORT DataInfoOffset;
} s2;
ULONG ZeroInit;
} u2;
union {
CLIENT_ID ClientId;
double DoNotUseThisField; // Force quadword alignment
};
ULONG MessageId;
union {
ULONG ClientViewSize; // Only valid on LPC_CONNECTION_REQUEST message
ULONG CallbackId; // Only valid on LPC_REQUEST message
};
// UCHAR Data[];
} PORT_MESSAGE, *PPORT_MESSAGE;
// end_ntsrv
typedef struct _PORT_DATA_ENTRY {
PVOID Base;
ULONG Size;
} PORT_DATA_ENTRY, *PPORT_DATA_ENTRY;
typedef struct _PORT_DATA_INFORMATION {
ULONG CountDataEntries;
PORT_DATA_ENTRY DataEntries[1];
} PORT_DATA_INFORMATION, *PPORT_DATA_INFORMATION;
//
// Valid return values for the PORT_MESSAGE Type file
//
#define LPC_REQUEST 1
#define LPC_REPLY 2
#define LPC_DATAGRAM 3
#define LPC_LOST_REPLY 4
#define LPC_PORT_CLOSED 5
#define LPC_CLIENT_DIED 6
#define LPC_EXCEPTION 7
#define LPC_DEBUG_EVENT 8
#define LPC_ERROR_EVENT 9
#define LPC_CONNECTION_REQUEST 10
#define PORT_VALID_OBJECT_ATTRIBUTES (OBJ_CASE_INSENSITIVE)
// begin_ntddk
#define PORT_MAXIMUM_MESSAGE_LENGTH 256
// end_ntddk
typedef struct _LPC_CLIENT_DIED_MSG {
PORT_MESSAGE PortMsg;
LARGE_INTEGER CreateTime;
} LPC_CLIENT_DIED_MSG, *PLPC_CLIENT_DIED_MSG;
// begin_ntsrv
typedef struct _PORT_VIEW {
ULONG Length;
HANDLE SectionHandle;
ULONG SectionOffset;
ULONG ViewSize;
PVOID ViewBase;
PVOID ViewRemoteBase;
} PORT_VIEW, *PPORT_VIEW;
typedef struct _REMOTE_PORT_VIEW {
ULONG Length;
ULONG ViewSize;
PVOID ViewBase;
} REMOTE_PORT_VIEW, *PREMOTE_PORT_VIEW;
// end_ntsrv
NTSYSAPI
NTSTATUS
NTAPI
NtCreatePort(
OUT PHANDLE PortHandle,
IN POBJECT_ATTRIBUTES ObjectAttributes,
IN ULONG MaxConnectionInfoLength,
IN ULONG MaxMessageLength,
IN ULONG MaxPoolUsage
);
// begin_ntsrv
NTSYSAPI
NTSTATUS
NTAPI
NtConnectPort(
OUT PHANDLE PortHandle,
IN PUNICODE_STRING PortName,
IN PSECURITY_QUALITY_OF_SERVICE SecurityQos,
IN OUT PPORT_VIEW ClientView OPTIONAL,
OUT PREMOTE_PORT_VIEW ServerView OPTIONAL,
OUT PULONG MaxMessageLength OPTIONAL,
IN OUT PVOID ConnectionInformation OPTIONAL,
IN OUT PULONG ConnectionInformationLength OPTIONAL
);
// end_ntsrv
NTSYSAPI
NTSTATUS
NTAPI
NtListenPort(
IN HANDLE PortHandle,
OUT PPORT_MESSAGE ConnectionRequest
);
NTSYSAPI
NTSTATUS
NTAPI
NtAcceptConnectPort(
OUT PHANDLE PortHandle,
IN PVOID PortContext,
IN PPORT_MESSAGE ConnectionRequest,
IN BOOLEAN AcceptConnection,
IN OUT PPORT_VIEW ServerView OPTIONAL,
OUT PREMOTE_PORT_VIEW ClientView OPTIONAL
);
NTSYSAPI
NTSTATUS
NTAPI
NtCompleteConnectPort(
IN HANDLE PortHandle
);
NTSYSAPI
NTSTATUS
NTAPI
NtRequestPort(
IN HANDLE PortHandle,
IN PPORT_MESSAGE RequestMessage
);
// begin_ntsrv
NTSYSAPI
NTSTATUS
NTAPI
NtRequestWaitReplyPort(
IN HANDLE PortHandle,
IN PPORT_MESSAGE RequestMessage,
OUT PPORT_MESSAGE ReplyMessage
);
// end_ntsrv
NTSYSAPI
NTSTATUS
NTAPI
NtReplyPort(
IN HANDLE PortHandle,
IN PPORT_MESSAGE ReplyMessage
);
NTSYSAPI
NTSTATUS
NTAPI
NtReplyWaitReplyPort(
IN HANDLE PortHandle,
IN OUT PPORT_MESSAGE ReplyMessage
);
NTSYSAPI
NTSTATUS
NTAPI
NtReplyWaitReceivePort(
IN HANDLE PortHandle,
OUT PVOID *PortContext OPTIONAL,
IN PPORT_MESSAGE ReplyMessage OPTIONAL,
OUT PPORT_MESSAGE ReceiveMessage
);
NTSYSAPI
NTSTATUS
NTAPI
NtImpersonateClientOfPort(
IN HANDLE PortHandle,
IN PPORT_MESSAGE Message
);
NTSYSAPI
NTSTATUS
NTAPI
NtReadRequestData(
IN HANDLE PortHandle,
IN PPORT_MESSAGE Message,
IN ULONG DataEntryIndex,
OUT PVOID Buffer,
IN ULONG BufferSize,
OUT PULONG NumberOfBytesRead OPTIONAL
);
NTSYSAPI
NTSTATUS
NTAPI
NtWriteRequestData(
IN HANDLE PortHandle,
IN PPORT_MESSAGE Message,
IN ULONG DataEntryIndex,
IN PVOID Buffer,
IN ULONG BufferSize,
OUT PULONG NumberOfBytesWritten OPTIONAL
);
typedef enum _PORT_INFORMATION_CLASS {
PortBasicInformation
#if DEVL
, PortDumpInformation
#endif
} PORT_INFORMATION_CLASS;
NTSYSAPI
NTSTATUS
NTAPI
NtQueryInformationPort(
IN HANDLE PortHandle,
IN PORT_INFORMATION_CLASS PortInformationClass,
OUT PVOID PortInformation,
IN ULONG Length,
OUT PULONG ReturnLength OPTIONAL
);
#endif // _NTLPCAPI_
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