mirror of
https://github.com/reactos/reactos.git
synced 2024-07-22 04:08:08 +00:00
Clean up and more info about the LPC port handle.
svn path=/trunk/; revision=567
This commit is contained in:
Emanuele Aliberti
parent
4d7dcc6886
commit
b3f7f2d945
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@ -1,4 +1,4 @@
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/* $Id: conport.c,v 1.1 1999/06/24 22:54:27 ea Exp $
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/* $Id: conport.c,v 1.2 1999/06/27 07:11:25 ea Exp $
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*
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* reactos/apps/lpc/conport.c
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*
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@ -24,34 +24,47 @@
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#define LPC_CONNECT_FLAG4 0x00001000
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#define LPC_CONNECT_FLAG5 0x00010000
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#define QUERY_OBJECT_LPC_PORT_BASIC_INFORMATION_SIZE 55
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NTSTATUS
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(STDCALL * ConnectPort)(
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PHANDLE,
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PUNICODE_STRING,
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DWORD,
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DWORD,
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DWORD,
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DWORD,
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DWORD,
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DWORD
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OUT PHANDLE PortHandle,
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IN PUNICODE_STRING PortName,
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IN POBJECT_ATTRIBUTES ObjectAttributes,
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IN DWORD Unknown3,
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IN DWORD Unknown4,
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IN DWORD Unknown5,
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IN DWORD Unknown6,
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IN ULONG Flags
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);
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NTSTATUS
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(STDCALL * QueryObject)(
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IN HANDLE ObjectHandle,
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IN CINT ObjectInformationClass,
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OUT PVOID ObjectInformation,
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IN ULONG Length,
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OUT PULONG ResultLength
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);
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NTSTATUS
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(STDCALL * YieldExecution)(VOID);
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#define BUF_SIZE 256
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#define BUF_SIZE 1024
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#define MAXARG 1000000
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VOID
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DumpBuffer(
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char *Name,
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BYTE *buffer
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BYTE *buffer,
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ULONG size
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)
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{
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register int i = 0;
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register ULONG i = 0;
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printf("%s = ",Name);
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printf("%s [%d] = ",size,Name);
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for ( i = 0;
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i < BUF_SIZE;
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i != size;
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++i
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)
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{
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@ -60,19 +73,150 @@ DumpBuffer(
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printf("\n");
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}
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#define MAXARG 1000000
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VOID
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DumpInfo (
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LPCSTR Name,
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NTSTATUS Status,
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HANDLE Port
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)
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{
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int i;
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BYTE ObjectInformation [BUF_SIZE] = {0};
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ULONG ResultLength;
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printf("Port \"%s\" connected:\n",Name);
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printf("Status = %08X\n",Status);
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printf("Port = %08X\n\n",Port);
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/*
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* Query object information.
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*/
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printf("Basic Information:\n");
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Status = -1;
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for ( i=1024000; i && Status != STATUS_SUCCESS; --i)
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Status = QueryObject(
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Port,
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ObjectBasicInformation,
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ObjectInformation,
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QUERY_OBJECT_LPC_PORT_BASIC_INFORMATION_SIZE,
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& ResultLength
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);
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if (Status == STATUS_SUCCESS)
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{
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DumpBuffer(
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"RAW",
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ObjectInformation,
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ResultLength
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);
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}
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else
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{
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printf("\tStatus = %08X\n",Status);
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}
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printf("Type Information:\n");
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Status = QueryObject(
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Port,
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ObjectTypeInformation,
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ObjectInformation,
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sizeof ObjectInformation,
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& ResultLength
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);
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if (Status == STATUS_SUCCESS)
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{
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OBJECT_TYPE_INFORMATION * i;
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i = (OBJECT_TYPE_INFORMATION *) ObjectInformation;
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wprintf(
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L"\tName: \"%s\"\n",
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(i->Name.Length ? i->Name.Buffer : L"")
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);
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/*
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FIXME: why this always raise an access violation exception?
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wprintf(
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L"\tType: \"%s\"\n",
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(i->Type.Length ? i->Type.Buffer : L"")
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);
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*/
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printf(
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"\tTotal Handles: %d\n",
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i->TotalHandles
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);
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printf(
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"\tReference Count: %d\n",
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i->ReferenceCount
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);
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}
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else
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{
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printf("\tStatus = %08X\n",Status);
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}
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printf("Name Information:\n");
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Status = QueryObject(
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Port,
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ObjectNameInformation,
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ObjectInformation,
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sizeof ObjectInformation,
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& ResultLength
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);
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if (Status == STATUS_SUCCESS)
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{
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OBJECT_NAME_INFORMATION * i;
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i = (OBJECT_NAME_INFORMATION *) ObjectInformation;
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wprintf(
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L"\tName: \"%s\"\n",
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(i->Name.Length ? i->Name.Buffer : L"")
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);
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}
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else
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{
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printf("\tStatus = %08X\n",Status);
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}
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printf("Data Information:\n");
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Status = QueryObject(
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Port,
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ObjectDataInformation,
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ObjectInformation,
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sizeof ObjectInformation,
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& ResultLength
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);
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if (Status == STATUS_SUCCESS)
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{
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OBJECT_DATA_INFORMATION * i;
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i = (OBJECT_DATA_INFORMATION *) ObjectInformation;
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printf(
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"\tInherit Handle: %s\n",
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(i->bInheritHandle ? "TRUE" : "FALSE")
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);
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printf(
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"\tProtect from Close: %s\n",
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(i->bProtectFromClose ? "TRUE" : "FALSE")
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);
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}
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else
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{
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printf("\tStatus = %08X\n",Status);
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}
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}
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VOID
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TryConnectPort(char *port_name)
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{
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DWORD Status = 0;
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HANDLE Port = 0;
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int i;
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UNICODE_STRING PortName;
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WORD Name [BUF_SIZE] = {0};
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int dwx = 0;
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BYTE bb [BUF_SIZE] = {0};
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DWORD Status = 0;
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HANDLE Port = 0;
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int i;
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UNICODE_STRING PortName;
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OBJECT_ATTRIBUTES ObjectAttributes;
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WORD Name [BUF_SIZE] = {0};
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int dwx = 0;
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/*
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* Convert the port's name to Unicode.
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*/
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for (
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PortName.Length = 0;
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( *port_name
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@ -87,28 +231,56 @@ TryConnectPort(char *port_name)
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PortName.Length = PortName.Length * sizeof (WORD);
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PortName.MaximumLength = PortName.Length + sizeof (WORD);
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PortName.Buffer = (PWSTR) Name;
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/*
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* Prepare the port object attributes.
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*/
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ObjectAttributes.Length =
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sizeof (OBJECT_ATTRIBUTES);
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ObjectAttributes.RootDirectory =
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NULL;
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ObjectAttributes.ObjectName =
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NULL /*& PortName */;
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ObjectAttributes.Attributes =
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OBJ_CASE_INSENSITIVE;
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ObjectAttributes.SecurityDescriptor =
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NULL;
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ObjectAttributes.SecurityQualityOfService =
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NULL;
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/*
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* Try to issue a connection request.
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*/
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Port = 0;
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Status = ConnectPort(
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& Port,
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& PortName,
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bb,
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& ObjectAttributes,
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0,
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0,
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0,
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0,
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LPC_CONNECT_FLAG5
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);
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if (Port)
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if (Status == STATUS_SUCCESS)
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{
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printf("Status = %08X\n",Status);
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printf("Port = %08X\n\n",Port);
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DumpInfo(port_name,Status,Port);
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/* Hot waiting */
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for (dwx=0; dwx<MAXARG; ++dwx)
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{
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YieldExecution();
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}
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CloseHandle(Port);
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if (FALSE == CloseHandle(Port))
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{
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printf(
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"Could not close the port handle %08X.\n",
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Port
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);
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}
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return;
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}
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printf(
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"Connection to port \"%s\" failed (Status = %08X).\n",
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Status
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);
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}
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@ -140,15 +312,26 @@ main( int argc, char * argv[] )
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printf("Could not find NTDLL.NtConnectPort\n");
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return EXIT_FAILURE;
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}
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printf("GetProcAddress(NTDLL.NtQueryObject)\n");
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QueryObject = (VOID*) GetProcAddress(
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ntdll,
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"NtQueryObject"
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);
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if (QueryObject == NULL)
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{
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FreeLibrary(ntdll);
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printf("Could not find NTDLL.NtQueryObject\n");
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return EXIT_FAILURE;
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}
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printf("GetProcAddress(NTDLL.NtYieldExecution)\n");
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YieldExecution = (VOID*) GetProcAddress(
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ntdll,
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"NtYieldExecution"
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);
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if (ConnectPort == NULL)
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if (YieldExecution == NULL)
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{
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FreeLibrary(ntdll);
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printf("Could not find NTDLL.NtConnectPort\n");
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printf("Could not find NTDLL.NtYieldExecution\n");
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return EXIT_FAILURE;
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}
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printf("TryConnectPort(%s)\n",argv[1]);
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@ -156,3 +339,5 @@ main( int argc, char * argv[] )
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printf("Done\n");
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return EXIT_SUCCESS;
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}
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/* EOF */
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