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197 lines
5.2 KiB
197 lines
5.2 KiB
/*++
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Copyright (c) 1991 Microsoft Corporation
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Module Name:
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control.h
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Abstract:
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This file contains data structures and function prototypes for the
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Service Controller Control Interface.
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Author:
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Dan Lafferty (danl) 28-Mar-1991
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Environment:
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User Mode -Win32
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Revision History:
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28-Mar-1991 danl
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created
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--*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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//
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// Internal controls.
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// These must not be in the range or public controls ( 1-10)
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// or in the range of user-defined controls (0x00000080 - 0x000000ff)
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//
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//
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// Range for OEM defined control opcodes
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//
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#define OEM_LOWER_LIMIT 128
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#define OEM_UPPER_LIMIT 255
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//
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// Used to start a service that shares a process with other services.
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//
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#define SERVICE_CONTROL_START_SHARE 0x00000050 // INTERNAL
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//
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// Used to start a service that has its own process.
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//
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#define SERVICE_CONTROL_START_OWN 0x00000051 // INTERNAL
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//
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// Private access level for OpenService to get a context handle for SetServiceStatus.
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// This MUST NOT CONFLICT with the access levels in winsvc.h.
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//
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#define SERVICE_SET_STATUS 0x8000 // INTERNAL
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//
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// Service controls that can be passed to a non-EX control handler. Relies
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// on ordering/values of SERVICE_CONTROL_* constants in winsvc.h.
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//
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#define IS_NON_EX_CONTROL(dwControl) \
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((dwControl >= SERVICE_CONTROL_STOP && dwControl <= SERVICE_CONTROL_NETBINDDISABLE) \
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|| \
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(dwControl >= OEM_LOWER_LIMIT && dwControl <= OEM_UPPER_LIMIT))
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//
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// Data Structures
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//
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//
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// The control message has the following format:
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// [MessageHeader][ServiceNameString][CmdArg1Ptr][CmdArg2Ptr]
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// [...][CmdArgnPtr][CmdArg1String][CmdArg2String][...][CmdArgnString]
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//
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// Where CmdArg pointers are replaced with offsets that are relative to
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// the location of the 1st command arg pointer (the top of the argv list).
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//
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// In the header, the NumCmdArgs, StatusHandle, and ArgvOffset parameters
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// are only used when the SERVICE_START OpCode is passed in. They are
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// expected to be 0 at all other times. The ServiceNameOffset and the
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// ArgvOffset are relative to the top of the buffer containing the
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// message (ie. the header Count field). The Count field in the header
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// contains the number of bytes in the entire message (including the
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// header).
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//
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//
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typedef struct _CTRL_MSG_HEADER
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{
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DWORD Count; // num bytes in buffer.
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DWORD OpCode; // control opcode.
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DWORD NumCmdArgs; // number of command Args.
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DWORD ServiceNameOffset; // pointer to ServiceNameString
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DWORD ArgvOffset; // pointer to Argument Vectors.
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}
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CTRL_MSG_HEADER, *PCTRL_MSG_HEADER, *LPCTRL_MSG_HEADER;
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typedef struct _PIPE_RESPONSE_MSG
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{
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DWORD dwDispatcherStatus;
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DWORD dwHandlerRetVal;
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}
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PIPE_RESPONSE_MSG, *PPIPE_RESPONSE_MSG, *LPPIPE_RESPONSE_MSG;
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typedef struct _PNP_ARGUMENTS
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{
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DWORD dwEventType;
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DWORD dwEventDataSize;
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PVOID EventData;
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}
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PNP_ARGUMENTS, *PPNP_ARGUMENTS, *LPPNP_ARGUMENTS;
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//
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// Union to hold arguments to ScSendControl
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//
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typedef union _CONTROL_ARGS {
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LPWSTR *CmdArgs;
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PNP_ARGUMENTS PnPArgs;
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} CONTROL_ARGS, *PCONTROL_ARGS, *LPCONTROL_ARGS;
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//
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// Defines and Typedefs
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//
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#define CONTROL_PIPE_NAME L"\\\\.\\pipe\\net\\NtControlPipe"
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#define PID_LEN 10 // Max PID (DWORD_MAX) is 10 digits
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#define CONTROL_TIMEOUT 30000 // timeout for waiting for pipe.
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#define RESPONSE_WAIT_TIME 5000 // wait until service response.
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//
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// Function Prototypes
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//
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DWORD
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ScCreateControlInstance (
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OUT LPHANDLE PipeHandlePtr,
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IN DWORD dwProcessId,
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IN PSID pAccountSid
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);
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VOID
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ScDeleteControlInstance (
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IN HANDLE PipeHandle
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);
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DWORD
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ScWaitForConnect (
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IN HANDLE PipeHandle,
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IN HANDLE hProcess OPTIONAL,
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IN LPWSTR lpDisplayName,
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OUT LPDWORD ProcessIdPtr
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);
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DWORD
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ScSendControl (
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IN LPWSTR ServiceName,
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IN LPWSTR DisplayName,
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IN HANDLE PipeHandle,
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IN DWORD OpCode,
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IN LPCONTROL_ARGS lpControlArgs OPTIONAL,
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IN DWORD NumArgs,
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OUT LPDWORD lpdwHandlerRetVal OPTIONAL
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);
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VOID
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ScShutdownAllServices(
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VOID
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);
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DWORD
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ScSendPnPMessage(
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IN SERVICE_STATUS_HANDLE hServiceStatus,
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IN DWORD OpCode,
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IN DWORD dwEventType,
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IN LPARAM EventData,
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OUT LPDWORD lpdwHandlerRetVal
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);
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DWORD
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ScValidatePnPService(
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IN LPWSTR lpServiceName,
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OUT SERVICE_STATUS_HANDLE *lphServiceStatus
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);
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#ifdef __cplusplus
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}
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#endif
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