mirror of
https://github.com/reactos/reactos.git
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138 lines
3.7 KiB
C
138 lines
3.7 KiB
C
/*
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* DESCRIPTION: Simple LPC Server
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* PROGRAMMER: David Welch
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*/
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#include <ddk/ntddk.h>
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#include <rosrtl/string.h>
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#include <windows.h>
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#include <stdarg.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "lpctest.h"
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static const char * MyName = "LPC-SRV";
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HANDLE OutputHandle;
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HANDLE InputHandle;
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void debug_printf(char* fmt, ...)
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{
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va_list args;
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char buffer[255];
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va_start(args,fmt);
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vsprintf(buffer,fmt,args);
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WriteConsoleA(OutputHandle, buffer, strlen(buffer), NULL, NULL);
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va_end(args);
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}
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int main(int argc, char* argv[])
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{
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UNICODE_STRING PortName = ROS_STRING_INITIALIZER(TEST_PORT_NAME_U);
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OBJECT_ATTRIBUTES ObjectAttributes;
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NTSTATUS Status;
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HANDLE NamedPortHandle;
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HANDLE PortHandle;
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LPC_MAX_MESSAGE ConnectMsg;
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printf("%s: Lpc test server\n", MyName);
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InitializeObjectAttributes(&ObjectAttributes,
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&PortName,
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0,
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NULL,
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NULL);
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printf("%s: Creating port \"%s\"...\n", MyName, TEST_PORT_NAME);
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Status = NtCreatePort(&NamedPortHandle,
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&ObjectAttributes,
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0,
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0,
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0);
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if (!NT_SUCCESS(Status))
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{
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printf("%s: NtCreatePort() failed with status = 0x%08lX.\n", MyName, Status);
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return EXIT_FAILURE;
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}
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printf("%s: Port \"%s\" created (0x%x).\n\n", MyName, TEST_PORT_NAME, NamedPortHandle);
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for (;;)
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{
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printf("%s: Listening for connections requests on port 0x%x...\n", MyName, NamedPortHandle);
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Status = NtListenPort(NamedPortHandle,
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&ConnectMsg.Header);
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if (!NT_SUCCESS(Status))
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{
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printf("%s: NtListenPort() failed with status = 0x%08lX.\n", MyName, Status);
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return EXIT_FAILURE;
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}
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printf("%s: Received connection request 0x%08x on port 0x%x.\n", MyName,
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ConnectMsg.Header.MessageId, NamedPortHandle);
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printf("%s: Request from: PID=%x, TID=%x.\n", MyName,
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ConnectMsg.Header.ClientId.UniqueProcess, ConnectMsg.Header.ClientId.UniqueThread);
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printf("%s: Accepting connection request 0x%08x...\n", MyName,
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ConnectMsg.Header.MessageId);
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Status = NtAcceptConnectPort(&PortHandle,
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NamedPortHandle,
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& ConnectMsg.Header,
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TRUE,
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0,
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NULL);
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if (!NT_SUCCESS(Status))
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{
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printf("%s: NtAcceptConnectPort() failed with status = 0x%08lX.\n", MyName, Status);
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return EXIT_FAILURE;
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}
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printf("%s: Connection request 0x%08x accepted as port 0x%x.\n", MyName,
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ConnectMsg.Header.MessageId, PortHandle);
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printf("%s: Completing connection for port 0x%x (0x%08x).\n", MyName,
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PortHandle, ConnectMsg.Header.MessageId);
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Status = NtCompleteConnectPort(PortHandle);
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if (!NT_SUCCESS(Status))
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{
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printf("%s: NtCompleteConnectPort() failed with status = 0x%08lX.\n", MyName, Status);
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return EXIT_FAILURE;
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}
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printf("%s: Entering server loop for port 0x%x...\n", MyName, PortHandle);
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for(;;)
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{
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LPC_MAX_MESSAGE Request;
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Status = NtReplyWaitReceivePort(PortHandle,
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0,
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NULL,
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&Request.Header);
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if (!NT_SUCCESS(Status))
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{
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printf("%s: NtReplyWaitReceivePort() failed with status = 0x%08lX.\n", MyName, Status);
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return EXIT_FAILURE;
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}
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if (LPC_DATAGRAM == PORT_MESSAGE_TYPE(Request))
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{
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printf("%s: Datagram message contents are <%s>.\n",
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MyName,
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Request.Data);
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}
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else
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{
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printf("%s: Message with type %d received on port 0x%x.\n", MyName,
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PORT_MESSAGE_TYPE(Request), PortHandle);
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NtClose(PortHandle);
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printf("%s: Connected port 0x%x closed.\n\n", MyName, PortHandle);
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break;
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}
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}
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}
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return EXIT_SUCCESS;
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}
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/* EOF */
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