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Improved driver loading sequence with respect to the group order.
Added ability to run user-mode services. svn path=/trunk/; revision=3110
This commit is contained in:
Eric Kohl
parent
1b52f5ff18
commit
81a07ed6a6
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@ -1,4 +1,4 @@
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/* $Id: database.c,v 1.2 2002/06/12 23:33:15 ekohl Exp $
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/* $Id: database.c,v 1.3 2002/06/17 15:47:32 ekohl Exp $
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*
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* service control manager
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*
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@ -62,6 +62,7 @@ typedef struct _SERVICE
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ULONG Tag;
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BOOLEAN ServiceRunning;
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BOOLEAN ServiceVisited;
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} SERVICE, *PSERVICE;
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@ -86,7 +87,7 @@ CreateGroupListRoutine(PWSTR ValueName,
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if (ValueType == REG_SZ)
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{
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// PrintString("Data: '%S'\n", (PWCHAR)ValueData);
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DPRINT("Data: '%S'\n", (PWCHAR)ValueData);
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Group = (PSERVICE_GROUP)HeapAlloc(GetProcessHeap(),
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HEAP_ZERO_MEMORY,
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@ -118,7 +119,7 @@ CreateServiceListEntry(PUNICODE_STRING ServiceName)
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PSERVICE Service = NULL;
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NTSTATUS Status;
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// PrintString("Service: '%wZ'\n", ServiceName);
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DPRINT("Service: '%wZ'\n", ServiceName);
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/* Allocate service entry */
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Service = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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@ -193,13 +194,11 @@ CreateServiceListEntry(PUNICODE_STRING ServiceName)
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return(Status);
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}
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#if 0
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PrintString("ServiceName: '%wZ'\n", &Service->ServiceName);
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PrintString("RegistryPath: '%wZ'\n", &Service->RegistryPath);
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PrintString("ServiceGroup: '%wZ'\n", &Service->ServiceGroup);
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PrintString("Start %lx Type %lx ErrorControl %lx\n",
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Service->Start, Service->Type, Service->ErrorControl);
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#endif
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DPRINT("ServiceName: '%wZ'\n", &Service->ServiceName);
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DPRINT("RegistryPath: '%wZ'\n", &Service->RegistryPath);
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DPRINT("ServiceGroup: '%wZ'\n", &Service->ServiceGroup);
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DPRINT("Start %lx Type %lx ErrorControl %lx\n",
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Service->Start, Service->Type, Service->ErrorControl);
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/* Append service entry */
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InsertTailList(&ServiceListHead,
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@ -213,7 +212,6 @@ NTSTATUS
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ScmCreateServiceDataBase(VOID)
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{
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RTL_QUERY_REGISTRY_TABLE QueryTable[2];
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WCHAR NameBuffer[MAX_PATH];
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING ServicesKeyName;
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UNICODE_STRING SubKeyName;
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@ -225,13 +223,12 @@ ScmCreateServiceDataBase(VOID)
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ULONG KeyInfoLength = 0;
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ULONG ReturnedLength;
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// PrintString("ScmCreateServiceDataBase() called\n");
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DPRINT("ScmCreateServiceDataBase() called\n");
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/* Initialize basic variables */
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InitializeListHead(&GroupListHead);
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InitializeListHead(&ServiceListHead);
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/* Build group order list */
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RtlZeroMemory(&QueryTable,
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sizeof(QueryTable));
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@ -291,7 +288,7 @@ ScmCreateServiceDataBase(VOID)
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SubKeyName.Buffer = KeyInfo->Name;
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SubKeyName.Buffer[SubKeyName.Length / sizeof(WCHAR)] = 0;
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// PrintString("KeyName: '%wZ'\n", &SubKeyName);
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DPRINT("KeyName: '%wZ'\n", &SubKeyName);
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Status = CreateServiceListEntry(&SubKeyName);
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}
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}
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@ -305,7 +302,80 @@ ScmCreateServiceDataBase(VOID)
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HeapFree(GetProcessHeap(), 0, KeyInfo);
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NtClose(ServicesKey);
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// PrintString("ScmCreateServiceDataBase() done\n");
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DPRINT("ScmCreateServiceDataBase() done\n");
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return(STATUS_SUCCESS);
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}
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static NTSTATUS
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ScmCheckDriver(PSERVICE_GROUP Group,
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PSERVICE Service)
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{
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OBJECT_ATTRIBUTES ObjectAttributes;
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UNICODE_STRING DirName;
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HANDLE DirHandle;
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NTSTATUS Status;
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DPRINT("ScmCheckDriver() called\n");
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if (Service->Type == SERVICE_KERNEL_DRIVER)
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{
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RtlInitUnicodeString(&DirName,
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L"\\Driver");
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}
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else
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{
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RtlInitUnicodeString(&DirName,
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L"\\FileSystem");
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}
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InitializeObjectAttributes(&ObjectAttributes,
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&DirName,
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0,
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NULL,
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NULL);
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Status = NtOpenDirectoryObject(&DirHandle,
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DIRECTORY_QUERY | DIRECTORY_TRAVERSE,
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&ObjectAttributes);
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if (!NT_SUCCESS(Status))
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{
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return(Status);
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}
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#if 0
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Index = 0;
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while (TRUE)
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{
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Status = NtQueryDirectoryObject(DirHandle,
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&DirInfo,
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BufferLength,
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TRUE,
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FALSE,
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&Index,
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&DataLength);
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if (!NT_SUCCESS(Status))
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{
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NtClose(DirHandle);
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return(Status);
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}
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#if 0
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if (NT_SUCCESS(Status))
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{
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CurrentGroup->ServicesRunning = TRUE;
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CurrentService->ServiceRunning = TRUE;
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}
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#endif
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}
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#endif
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NtClose(DirHandle);
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return(STATUS_SUCCESS);
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}
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@ -314,56 +384,168 @@ ScmCreateServiceDataBase(VOID)
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VOID
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ScmGetBootAndSystemDriverState(VOID)
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{
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PLIST_ENTRY GroupEntry;
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PLIST_ENTRY ServiceEntry;
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PSERVICE_GROUP CurrentGroup;
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PSERVICE CurrentService;
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NTSTATUS Status;
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DPRINT("ScmGetBootAndSystemDriverState() called\n");
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GroupEntry = GroupListHead.Flink;
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while (GroupEntry != &GroupListHead)
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{
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CurrentGroup = CONTAINING_RECORD(GroupEntry, SERVICE_GROUP, GroupListEntry);
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DPRINT("Checking group '%wZ'\n", &CurrentGroup->GroupName);
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ServiceEntry = ServiceListHead.Flink;
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while (ServiceEntry != &ServiceListHead)
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{
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CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
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if (CurrentService->Start == SERVICE_BOOT_START ||
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CurrentService->Start == SERVICE_SYSTEM_START)
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{
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/* Check driver */
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DPRINT(" Checking service: %wZ\n", &CurrentService->ServiceName);
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ScmCheckDriver(CurrentGroup,
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CurrentService);
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}
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ServiceEntry = ServiceEntry->Flink;
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}
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GroupEntry = GroupEntry->Flink;
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}
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DPRINT("ScmGetBootAndSystemDriverState() done\n");
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}
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static NTSTATUS
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ScmStartService(PSERVICE Service)
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ScmStartService(PSERVICE Service,
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PSERVICE_GROUP Group)
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{
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#if 0
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RTL_QUERY_REGISTRY_TABLE QueryTable[3];
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PROCESS_INFORMATION ProcessInformation;
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STARTUPINFO StartupInfo;
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WCHAR CommandLine[MAX_PATH];
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STARTUPINFOW StartupInfo;
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UNICODE_STRING ImagePath;
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NTSTATUS Status;
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ULONG Type;
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BOOL Result;
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PrintString("ScmStartService() called\n");
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DPRINT("ScmStartService() called\n");
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GetSystemDirectoryW(CommandLine, MAX_PATH);
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_tcscat(CommandLine, "\\");
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_tcscat(CommandLine, FileName);
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PrintString("SCM: %s\n", CommandLine);
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/* FIXME: create '\\.\pipe\net\NtControlPipe' instance */
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StartupInfo.cb = sizeof(StartupInfo);
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StartupInfo.lpReserved = NULL;
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StartupInfo.lpDesktop = NULL;
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StartupInfo.lpTitle = NULL;
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StartupInfo.dwFlags = 0;
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StartupInfo.cbReserved2 = 0;
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StartupInfo.lpReserved2 = 0;
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Result = CreateProcessW(CommandLine,
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NULL,
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NULL,
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NULL,
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FALSE,
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DETACHED_PROCESS,
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NULL,
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NULL,
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&StartupInfo,
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&ProcessInformation);
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if (!Result)
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if (Service->Type == SERVICE_KERNEL_DRIVER ||
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Service->Type == SERVICE_FILE_SYSTEM_DRIVER ||
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Service->Type == SERVICE_RECOGNIZER_DRIVER)
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{
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/* FIXME: close control pipe */
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/* Load driver */
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DPRINT(" Path: %wZ\n", &Service->RegistryPath);
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Status = NtLoadDriver(&Service->RegistryPath);
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}
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else
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{
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RtlInitUnicodeString(&ImagePath, NULL);
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PrintString("SCM: Failed to start '%s'\n", FileName);
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return(STATUS_UNSUCCESSFUL);
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/* Get service data */
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RtlZeroMemory(&QueryTable,
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sizeof(QueryTable));
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QueryTable[0].Name = L"Type";
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QueryTable[0].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED;
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QueryTable[0].EntryContext = &Type;
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QueryTable[1].Name = L"ImagePath";
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QueryTable[1].Flags = RTL_QUERY_REGISTRY_DIRECT | RTL_QUERY_REGISTRY_REQUIRED;
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QueryTable[1].EntryContext = &ImagePath;
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Status = RtlQueryRegistryValues(RTL_REGISTRY_SERVICES,
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Service->ServiceName.Buffer,
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QueryTable,
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NULL,
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NULL);
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if (NT_SUCCESS(Status))
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{
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DPRINT("ImagePath: '%S'\n", ImagePath.Buffer);
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DPRINT("Type: %lx\n", Type);
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/* FIXME: create '\\.\pipe\net\NtControlPipe' instance */
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StartupInfo.cb = sizeof(StartupInfo);
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StartupInfo.lpReserved = NULL;
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StartupInfo.lpDesktop = NULL;
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StartupInfo.lpTitle = NULL;
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StartupInfo.dwFlags = 0;
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StartupInfo.cbReserved2 = 0;
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StartupInfo.lpReserved2 = 0;
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Result = CreateProcessW(ImagePath.Buffer,
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NULL,
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NULL,
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NULL,
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FALSE,
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DETACHED_PROCESS,
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NULL,
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NULL,
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&StartupInfo,
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&ProcessInformation);
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RtlFreeUnicodeString(&ImagePath);
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if (!Result)
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{
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/* FIXME: close control pipe */
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DPRINT("Failed to start '%S'\n", Service->ServiceName.Buffer);
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Status = STATUS_UNSUCCESSFUL;
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}
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else
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{
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/* FIXME: connect control pipe */
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}
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}
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}
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/* FIXME: connect control pipe */
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if (NT_SUCCESS(Status))
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{
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if (Group != NULL)
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{
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Group->ServicesRunning = TRUE;
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}
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Service->ServiceRunning = TRUE;
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}
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#if 0
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else
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{
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if (CurrentService->ErrorControl == 1)
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{
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/* Log error */
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}
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else if (CurrentService->ErrorControl == 2)
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{
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if (IsLastKnownGood == FALSE)
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{
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/* Boot last known good configuration */
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}
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}
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else if (CurrentService->ErrorControl == 3)
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{
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if (IsLastKnownGood == FALSE)
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{
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/* Boot last known good configuration */
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}
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else
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{
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/* BSOD! */
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}
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}
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}
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#endif
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return(STATUS_SUCCESS);
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@ -379,77 +561,87 @@ ScmAutoStartServices(VOID)
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PSERVICE CurrentService;
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NTSTATUS Status;
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/* Clear 'ServiceVisited' flag */
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ServiceEntry = ServiceListHead.Flink;
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while (ServiceEntry != &ServiceListHead)
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{
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CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
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CurrentService->ServiceVisited = FALSE;
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ServiceEntry = ServiceEntry->Flink;
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}
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/* Start all services which are members of an existing group */
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GroupEntry = GroupListHead.Flink;
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while (GroupEntry != &GroupListHead)
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{
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CurrentGroup = CONTAINING_RECORD(GroupEntry, SERVICE_GROUP, GroupListEntry);
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// PrintString("Group '%wZ'\n", &CurrentGroup->GroupName);
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DPRINT("Group '%wZ'\n", &CurrentGroup->GroupName);
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ServiceEntry = ServiceListHead.Flink;
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while (ServiceEntry != &ServiceListHead)
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{
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CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
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if ((RtlCompareUnicodeString(&CurrentGroup->GroupName, &CurrentService->ServiceGroup, TRUE) == 0) &&
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(CurrentService->Start == SERVICE_AUTO_START))
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if ((RtlEqualUnicodeString(&CurrentGroup->GroupName, &CurrentService->ServiceGroup, TRUE)) &&
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(CurrentService->Start == SERVICE_AUTO_START) &&
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(CurrentService->ServiceVisited == FALSE))
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{
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if (CurrentService->Type == SERVICE_KERNEL_DRIVER ||
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CurrentService->Type == SERVICE_FILE_SYSTEM_DRIVER ||
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CurrentService->Type == SERVICE_RECOGNIZER_DRIVER)
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{
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/* Load driver */
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// PrintString(" Path: %wZ\n", &CurrentService->RegistryPath);
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Status = NtLoadDriver(&CurrentService->RegistryPath);
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}
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else
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{
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/* Start service */
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Status = ScmStartService(CurrentService);
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}
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if (NT_SUCCESS(Status))
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{
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CurrentGroup->ServicesRunning = TRUE;
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CurrentService->ServiceRunning = TRUE;
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}
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#if 0
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else
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{
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if (CurrentService->ErrorControl == 1)
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{
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/* Log error */
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}
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else if (CurrentService->ErrorControl == 2)
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{
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if (IsLastKnownGood == FALSE)
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{
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/* Boot last known good configuration */
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}
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}
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else if (CurrentService->ErrorControl == 3)
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{
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if (IsLastKnownGood == FALSE)
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{
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/* Boot last known good configuration */
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}
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else
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{
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/* BSOD! */
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}
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}
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}
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#endif
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CurrentService->ServiceVisited = TRUE;
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ScmStartService(CurrentService,
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CurrentGroup);
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}
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ServiceEntry = ServiceEntry->Flink;
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}
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GroupEntry = GroupEntry->Flink;
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}
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/* Start all services which are members of any non-existing group */
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ServiceEntry = ServiceListHead.Flink;
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while (ServiceEntry != &ServiceListHead)
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{
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CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
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if ((CurrentGroup->GroupName.Length > 0) &&
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(CurrentService->Start == SERVICE_AUTO_START) &&
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(CurrentService->ServiceVisited == FALSE))
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{
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CurrentService->ServiceVisited = TRUE;
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ScmStartService(CurrentService,
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NULL);
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}
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ServiceEntry = ServiceEntry->Flink;
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}
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/* Start all services which are not a member of any group */
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ServiceEntry = ServiceListHead.Flink;
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while (ServiceEntry != &ServiceListHead)
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{
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CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
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if ((CurrentGroup->GroupName.Length == 0) &&
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(CurrentService->Start == SERVICE_AUTO_START) &&
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(CurrentService->ServiceVisited == FALSE))
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{
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CurrentService->ServiceVisited = TRUE;
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ScmStartService(CurrentService,
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NULL);
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}
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ServiceEntry = ServiceEntry->Flink;
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}
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/* Clear 'ServiceVisited' flag again */
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ServiceEntry = ServiceListHead.Flink;
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while (ServiceEntry != &ServiceListHead)
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{
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CurrentService = CONTAINING_RECORD(ServiceEntry, SERVICE, ServiceListEntry);
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CurrentService->ServiceVisited = FALSE;
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ServiceEntry = ServiceEntry->Flink;
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}
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}
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/* EOF */
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