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/*++
Copyright (c) 1989 Microsoft Corporation
Module Name:
dbginit.c
Abstract:
Debug Subsystem Initialization
Author:
Mark Lucovsky (markl) 22-Jan-1990
Revision History:
--*/
#include "smsrvp.h"
static SID_IDENTIFIER_AUTHORITY WorldSidAuthority = SECURITY_WORLD_SID_AUTHORITY;
NTSTATUS
DbgpInit()
{
NTSTATUS st;
ANSI_STRING Name;
UNICODE_STRING UnicodeName;
OBJECT_ATTRIBUTES ObjA;
ULONG i;
ULONG Length;
PSID SeWorldSid;
PSECURITY_DESCRIPTOR SecurityDescriptor;
PACL Dacl;
//
// Initialize the application thread hash table
//
RtlInitializeCriticalSection(&DbgpHashTableLock);
for( i=0;i<DBGP_CLIENT_ID_HASHSIZE;i++) {
InitializeListHead(&DbgpAppThreadHashTable[i]);
InitializeListHead(&DbgpAppProcessHashTable[i]);
InitializeListHead(&DbgpUiHashTable[i]);
}
//
// create a security descriptor that allows all access
//
SeWorldSid = RtlAllocateHeap( RtlProcessHeap(), MAKE_TAG( DBG_TAG ), RtlLengthRequiredSid( 1 ) );
RtlInitializeSid( SeWorldSid, &WorldSidAuthority, 1 );
*(RtlSubAuthoritySid( SeWorldSid, 0 )) = SECURITY_WORLD_RID;
Length = SECURITY_DESCRIPTOR_MIN_LENGTH +
(ULONG)sizeof(ACL) +
(ULONG)sizeof(ACCESS_ALLOWED_ACE) +
RtlLengthSid( SeWorldSid );
SecurityDescriptor = RtlAllocateHeap( RtlProcessHeap(), MAKE_TAG( DBG_TAG ), Length);
ASSERT( SecurityDescriptor != NULL );
RtlCreateSecurityDescriptor(SecurityDescriptor, SECURITY_DESCRIPTOR_REVISION);
Dacl = (PACL)((PCHAR)SecurityDescriptor + SECURITY_DESCRIPTOR_MIN_LENGTH);
RtlCreateAcl( Dacl, Length - SECURITY_DESCRIPTOR_MIN_LENGTH, ACL_REVISION2);
RtlAddAccessAllowedAce (
Dacl,
ACL_REVISION2,
PORT_ALL_ACCESS,
SeWorldSid
);
RtlSetDaclSecurityDescriptor (
SecurityDescriptor,
TRUE,
Dacl,
FALSE
);
//
// Create ports for Subsystems to connect to and for
// user interfaces to connect to
//
RtlInitAnsiString( &Name, "\\DbgSsApiPort" );
st = RtlAnsiStringToUnicodeString( &UnicodeName, &Name, TRUE);
ASSERT(NT_SUCCESS(st));
InitializeObjectAttributes( &ObjA, &UnicodeName, 0, NULL,
SecurityDescriptor );
st = NtCreatePort(
&DbgpSsApiPort,
&ObjA,
0,
sizeof(DBGSS_APIMSG),
sizeof(DBGSS_APIMSG) * 32
);
RtlFreeUnicodeString(&UnicodeName);
ASSERT( NT_SUCCESS(st) );
RtlInitAnsiString( &Name, "\\DbgUiApiPort" );
st = RtlAnsiStringToUnicodeString( &UnicodeName, &Name, TRUE);
ASSERT(NT_SUCCESS(st));
InitializeObjectAttributes( &ObjA, &UnicodeName, 0, NULL,
SecurityDescriptor );
st = NtCreatePort(
&DbgpUiApiPort,
&ObjA,
sizeof(HANDLE),
sizeof(DBGUI_APIMSG),
sizeof(DBGUI_APIMSG) * 32
);
RtlFreeUnicodeString(&UnicodeName);
ASSERT( NT_SUCCESS(st) );
//
// Clean up security stuff
//
RtlFreeHeap( RtlProcessHeap(), 0, SeWorldSid );
RtlFreeHeap( RtlProcessHeap(), 0, SecurityDescriptor );
//
// Create Initial Set of Server Threads
//
st = RtlCreateUserThread(
NtCurrentProcess(),
NULL,
FALSE,
0L,
0L,
0L,
DbgpUiApiLoop,
NULL,
NULL,
NULL
);
ASSERT( NT_SUCCESS(st) );
st = RtlCreateUserThread(
NtCurrentProcess(),
NULL,
FALSE,
0L,
0L,
0L,
DbgpSsApiLoop,
NULL,
NULL,
NULL
);
ASSERT( NT_SUCCESS(st) );
return STATUS_SUCCESS;
}
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