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inc: winfsp/launch.h

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This commit is contained in:
Bill Zissimopoulos
2018-01-09 11:38:27 -08:00
parent b9915dcaa7
commit a48668149b
15 changed files with 275 additions and 265 deletions
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35
src/launcher/launchctl.c
View File

@@ -15,7 +15,8 @@
* software.
*/
#include <launcher/launcher.h>
#include <winfsp/launch.h>
#include <shared/minimal.h>
#define PROGNAME "launchctl"
@@ -67,15 +68,15 @@ static int call_pipe_and_report(PWSTR PipeBuf, ULONG SendSize, ULONG RecvSize)
NTSTATUS Result;
DWORD LastError, BytesTransferred;
Result = FspCallNamedPipeSecurely(L"" LAUNCHER_PIPE_NAME, PipeBuf, SendSize, PipeBuf, RecvSize,
&BytesTransferred, NMPWAIT_USE_DEFAULT_WAIT, LAUNCHER_PIPE_OWNER);
Result = FspCallNamedPipeSecurely(L"" FSP_LAUNCH_PIPE_NAME, PipeBuf, SendSize, PipeBuf, RecvSize,
&BytesTransferred, NMPWAIT_USE_DEFAULT_WAIT, FSP_LAUNCH_PIPE_OWNER);
LastError = FspWin32FromNtStatus(Result);
if (0 != LastError)
warn("KO CallNamedPipe = %ld", LastError);
else if (sizeof(WCHAR) > BytesTransferred)
warn("KO launcher: empty buffer");
else if (LauncherSuccess == PipeBuf[0])
else if (FspLaunchCmdSuccess == PipeBuf[0])
{
if (sizeof(WCHAR) == BytesTransferred)
info("OK");
@@ -100,7 +101,7 @@ static int call_pipe_and_report(PWSTR PipeBuf, ULONG SendSize, ULONG RecvSize)
info("OK\n%S", PipeBuf + 1);
}
}
else if (LauncherFailure == PipeBuf[0])
else if (FspLaunchCmdFailure == PipeBuf[0])
{
if (BytesTransferred < RecvSize)
PipeBuf[BytesTransferred / sizeof(WCHAR)] = L'\0';
@@ -132,7 +133,7 @@ int start(PWSTR PipeBuf, ULONG PipeBufSize,
return ERROR_INVALID_PARAMETER;
P = PipeBuf;
*P++ = HasSecret ? LauncherSvcInstanceStartWithSecret : LauncherSvcInstanceStart;
*P++ = HasSecret ? FspLaunchCmdStartWithSecret : FspLaunchCmdStart;
memcpy(P, ClassName, ClassNameSize * sizeof(WCHAR)); P += ClassNameSize;
memcpy(P, InstanceName, InstanceNameSize * sizeof(WCHAR)); P += InstanceNameSize;
for (DWORD Argi = 0; Argc > Argi; Argi++)
@@ -157,7 +158,7 @@ int stop(PWSTR PipeBuf, ULONG PipeBufSize,
return ERROR_INVALID_PARAMETER;
P = PipeBuf;
*P++ = LauncherSvcInstanceStop;
*P++ = FspLaunchCmdStop;
memcpy(P, ClassName, ClassNameSize * sizeof(WCHAR)); P += ClassNameSize;
memcpy(P, InstanceName, InstanceNameSize * sizeof(WCHAR)); P += InstanceNameSize;
@@ -177,7 +178,7 @@ int getinfo(PWSTR PipeBuf, ULONG PipeBufSize,
return ERROR_INVALID_PARAMETER;
P = PipeBuf;
*P++ = LauncherSvcInstanceInfo;
*P++ = FspLaunchCmdGetInfo;
memcpy(P, ClassName, ClassNameSize * sizeof(WCHAR)); P += ClassNameSize;
memcpy(P, InstanceName, InstanceNameSize * sizeof(WCHAR)); P += InstanceNameSize;
@@ -192,7 +193,7 @@ int list(PWSTR PipeBuf, ULONG PipeBufSize)
return ERROR_INVALID_PARAMETER;
P = PipeBuf;
*P++ = LauncherSvcInstanceList;
*P++ = FspLaunchCmdGetNameList;
return call_pipe_and_report(PipeBuf, (ULONG)((P - PipeBuf) * sizeof(WCHAR)), PipeBufSize);
}
@@ -207,7 +208,7 @@ int quit(PWSTR PipeBuf, ULONG PipeBufSize)
return ERROR_INVALID_PARAMETER;
P = PipeBuf;
*P++ = LauncherQuit;
*P++ = FspLaunchCmdQuit;
return call_pipe_and_report(PipeBuf, (ULONG)((P - PipeBuf) * sizeof(WCHAR)), PipeBufSize);
}
@@ -217,7 +218,7 @@ int wmain(int argc, wchar_t **argv)
PWSTR PipeBuf = 0;
/* allocate our PipeBuf early on; freed on process exit by the system */
PipeBuf = MemAlloc(LAUNCHER_PIPE_BUFFER_SIZE);
PipeBuf = MemAlloc(FSP_LAUNCH_PIPE_BUFFER_SIZE);
if (0 == PipeBuf)
return ERROR_NO_SYSTEM_RESOURCES;
@@ -232,7 +233,7 @@ int wmain(int argc, wchar_t **argv)
if (3 > argc || argc > 12)
usage();
return start(PipeBuf, LAUNCHER_PIPE_BUFFER_SIZE, argv[1], argv[2], argc - 3, argv + 3,
return start(PipeBuf, FSP_LAUNCH_PIPE_BUFFER_SIZE, argv[1], argv[2], argc - 3, argv + 3,
FALSE);
}
else
@@ -241,7 +242,7 @@ int wmain(int argc, wchar_t **argv)
if (4 > argc || argc > 13)
usage();
return start(PipeBuf, LAUNCHER_PIPE_BUFFER_SIZE, argv[1], argv[2], argc - 3, argv + 3,
return start(PipeBuf, FSP_LAUNCH_PIPE_BUFFER_SIZE, argv[1], argv[2], argc - 3, argv + 3,
TRUE);
}
else
@@ -250,7 +251,7 @@ int wmain(int argc, wchar_t **argv)
if (3 != argc)
usage();
return stop(PipeBuf, LAUNCHER_PIPE_BUFFER_SIZE, argv[1], argv[2]);
return stop(PipeBuf, FSP_LAUNCH_PIPE_BUFFER_SIZE, argv[1], argv[2]);
}
else
if (0 == invariant_wcscmp(L"info", argv[0]))
@@ -258,7 +259,7 @@ int wmain(int argc, wchar_t **argv)
if (3 != argc)
usage();
return getinfo(PipeBuf, LAUNCHER_PIPE_BUFFER_SIZE, argv[1], argv[2]);
return getinfo(PipeBuf, FSP_LAUNCH_PIPE_BUFFER_SIZE, argv[1], argv[2]);
}
else
if (0 == invariant_wcscmp(L"list", argv[0]))
@@ -266,7 +267,7 @@ int wmain(int argc, wchar_t **argv)
if (1 != argc)
usage();
return list(PipeBuf, LAUNCHER_PIPE_BUFFER_SIZE);
return list(PipeBuf, FSP_LAUNCH_PIPE_BUFFER_SIZE);
}
else
if (0 == invariant_wcscmp(L"quit", argv[0]))
@@ -275,7 +276,7 @@ int wmain(int argc, wchar_t **argv)
usage();
/* works only against DEBUG version of launcher */
return quit(PipeBuf, LAUNCHER_PIPE_BUFFER_SIZE);
return quit(PipeBuf, FSP_LAUNCH_PIPE_BUFFER_SIZE);
}
else
usage();

46
src/launcher/launcher.c
View File

@@ -15,7 +15,8 @@
* software.
*/
#include <launcher/launcher.h>
#include <winfsp/launch.h>
#include <shared/minimal.h>
#include <aclapi.h>
#include <sddl.h>
#include <userenv.h>
@@ -410,6 +411,11 @@ static VOID CALLBACK KillProcessWait(PVOID Context, BOOLEAN Timeout)
MemFree(KillProcessData);
}
#define LAUNCHER_PIPE_DEFAULT_TIMEOUT (2 * 15000 + 1000)
#define LAUNCHER_START_WITH_SECRET_TIMEOUT 15000
#define LAUNCHER_STOP_TIMEOUT 5500
#define LAUNCHER_KILL_TIMEOUT 5000
typedef struct
{
LONG RefCount;
@@ -858,8 +864,8 @@ NTSTATUS SvcInstanceCreate(HANDLE ClientToken,
goto exit;
}
RegResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"" LAUNCHER_REGKEY,
0, LAUNCHER_REGKEY_WOW64 | KEY_READ, &RegKey);
RegResult = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"" FSP_LAUNCH_REGKEY,
0, FSP_LAUNCH_REGKEY_WOW64 | KEY_READ, &RegKey);
if (ERROR_SUCCESS != RegResult)
{
Result = FspNtStatusFromWin32(RegResult);
@@ -950,7 +956,7 @@ NTSTATUS SvcInstanceCreate(HANDLE ClientToken,
RegKey = 0;
if (L'\0' == Security[0])
lstrcpyW(Security, L"" SVC_INSTANCE_DEFAULT_SDDL);
lstrcpyW(Security, L"" FSP_LAUNCH_SERVICE_DEFAULT_SDDL);
if (L'D' == Security[0] && L':' == Security[1])
Security = SecurityBuf;
@@ -1412,7 +1418,7 @@ static NTSTATUS SvcStart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
SecurityAttributes.nLength = sizeof SecurityAttributes;
SecurityAttributes.bInheritHandle = FALSE;
if (!ConvertStringSecurityDescriptorToSecurityDescriptorW(L"" LAUNCHER_PIPE_SDDL, SDDL_REVISION_1,
if (!ConvertStringSecurityDescriptorToSecurityDescriptorW(L"" FSP_LAUNCH_PIPE_SDDL, SDDL_REVISION_1,
&SecurityAttributes.lpSecurityDescriptor, 0))
goto fail;
@@ -1449,11 +1455,11 @@ static NTSTATUS SvcStart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
if (0 == SvcOverlapped.hEvent)
goto fail;
SvcPipe = CreateNamedPipeW(L"" LAUNCHER_PIPE_NAME,
SvcPipe = CreateNamedPipeW(L"" FSP_LAUNCH_PIPE_NAME,
PIPE_ACCESS_DUPLEX |
FILE_FLAG_FIRST_PIPE_INSTANCE | FILE_FLAG_WRITE_THROUGH | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_MESSAGE | PIPE_READMODE_MESSAGE | PIPE_WAIT | PIPE_REJECT_REMOTE_CLIENTS,
1, LAUNCHER_PIPE_BUFFER_SIZE, LAUNCHER_PIPE_BUFFER_SIZE, LAUNCHER_PIPE_DEFAULT_TIMEOUT,
1, FSP_LAUNCH_PIPE_BUFFER_SIZE, FSP_LAUNCH_PIPE_BUFFER_SIZE, LAUNCHER_PIPE_DEFAULT_TIMEOUT,
&SecurityAttributes);
if (INVALID_HANDLE_VALUE == SvcPipe)
goto fail;
@@ -1581,7 +1587,7 @@ static DWORD WINAPI SvcPipeServer(PVOID Context)
HANDLE ClientToken;
DWORD LastError, BytesTransferred;
PipeBuf = MemAlloc(LAUNCHER_PIPE_BUFFER_SIZE);
PipeBuf = MemAlloc(FSP_LAUNCH_PIPE_BUFFER_SIZE);
if (0 == PipeBuf)
{
FspServiceSetExitCode(Service, ERROR_NO_SYSTEM_RESOURCES);
@@ -1604,7 +1610,7 @@ static DWORD WINAPI SvcPipeServer(PVOID Context)
}
LastError = SvcPipeWaitResult(
ReadFile(SvcPipe, PipeBuf, LAUNCHER_PIPE_BUFFER_SIZE, &BytesTransferred, &SvcOverlapped),
ReadFile(SvcPipe, PipeBuf, FSP_LAUNCH_PIPE_BUFFER_SIZE, &BytesTransferred, &SvcOverlapped),
SvcEvent, SvcPipe, &SvcOverlapped, &BytesTransferred);
if (-1 == LastError)
break;
@@ -1694,11 +1700,11 @@ static inline VOID SvcPipeTransactResult(NTSTATUS Result, PWSTR PipeBuf, PULONG
{
if (NT_SUCCESS(Result))
{
*PipeBuf = LauncherSuccess;
*PipeBuf = FspLaunchCmdSuccess;
*PSize += sizeof(WCHAR);
}
else
*PSize = (wsprintfW(PipeBuf, L"%c%ld", LauncherFailure, FspWin32FromNtStatus(Result)) + 1) *
*PSize = (wsprintfW(PipeBuf, L"%c%ld", FspLaunchCmdFailure, FspWin32FromNtStatus(Result)) + 1) *
sizeof(WCHAR);
}
@@ -1721,10 +1727,10 @@ static VOID SvcPipeTransact(HANDLE ClientToken, PWSTR PipeBuf, PULONG PSize)
switch (*P++)
{
case LauncherSvcInstanceStartWithSecret:
case FspLaunchCmdStartWithSecret:
HasSecret = TRUE;
/* fall through! */
case LauncherSvcInstanceStart:
case FspLaunchCmdStart:
ClassName = SvcPipeTransactGetPart(&P, PipeBufEnd);
InstanceName = SvcPipeTransactGetPart(&P, PipeBufEnd);
for (Argc = 0; sizeof Argv / sizeof Argv[0] > Argc; Argc++)
@@ -1739,7 +1745,7 @@ static VOID SvcPipeTransact(HANDLE ClientToken, PWSTR PipeBuf, PULONG PSize)
SvcPipeTransactResult(Result, PipeBuf, PSize);
break;
case LauncherSvcInstanceStop:
case FspLaunchCmdStop:
ClassName = SvcPipeTransactGetPart(&P, PipeBufEnd);
InstanceName = SvcPipeTransactGetPart(&P, PipeBufEnd);
@@ -1750,28 +1756,28 @@ static VOID SvcPipeTransact(HANDLE ClientToken, PWSTR PipeBuf, PULONG PSize)
SvcPipeTransactResult(Result, PipeBuf, PSize);
break;
case LauncherSvcInstanceInfo:
case FspLaunchCmdGetInfo:
ClassName = SvcPipeTransactGetPart(&P, PipeBufEnd);
InstanceName = SvcPipeTransactGetPart(&P, PipeBufEnd);
Result = STATUS_INVALID_PARAMETER;
if (0 != ClassName && 0 != InstanceName)
{
*PSize = LAUNCHER_PIPE_BUFFER_SIZE - 1;
*PSize = FSP_LAUNCH_PIPE_BUFFER_SIZE - 1;
Result = SvcInstanceGetInfo(ClientToken, ClassName, InstanceName, PipeBuf + 1, PSize);
}
SvcPipeTransactResult(Result, PipeBuf, PSize);
break;
case LauncherSvcInstanceList:
*PSize = LAUNCHER_PIPE_BUFFER_SIZE - 1;
case FspLaunchCmdGetNameList:
*PSize = FSP_LAUNCH_PIPE_BUFFER_SIZE - 1;
Result = SvcInstanceGetNameList(ClientToken, PipeBuf + 1, PSize);
SvcPipeTransactResult(Result, PipeBuf, PSize);
break;
case LauncherDefineDosDevice:
case FspLaunchCmdDefineDosDevice:
DeviceName = SvcPipeTransactGetPart(&P, PipeBufEnd);
TargetPath = SvcPipeTransactGetPart(&P, PipeBufEnd);
@@ -1783,7 +1789,7 @@ static VOID SvcPipeTransact(HANDLE ClientToken, PWSTR PipeBuf, PULONG PSize)
break;
#if !defined(NDEBUG)
case LauncherQuit:
case FspLaunchCmdQuit:
SetEvent(SvcEvent);
SvcPipeTransactResult(STATUS_SUCCESS, PipeBuf, PSize);

72
src/launcher/launcher.h
View File

@@ -1,72 +0,0 @@
/**
* @file launcher/launcher.h
*
* @copyright 2015-2018 Bill Zissimopoulos
*/
/*
* This file is part of WinFsp.
*
* You can redistribute it and/or modify it under the terms of the GNU
* General Public License version 3 as published by the Free Software
* Foundation.
*
* Licensees holding a valid commercial license may use this file in
* accordance with the commercial license agreement provided with the
* software.
*/
#ifndef WINFSP_LAUNCHER_LAUNCHER_H_INCLUDED
#define WINFSP_LAUNCHER_LAUNCHER_H_INCLUDED
#include <winfsp/winfsp.h>
#include <shared/minimal.h>
#define LAUNCHER_REGKEY "Software\\WinFsp\\Services"
#define LAUNCHER_REGKEY_WOW64 KEY_WOW64_32KEY
#define LAUNCHER_STOP_TIMEOUT 5500
#define LAUNCHER_KILL_TIMEOUT 5000
#define LAUNCHER_PIPE_NAME "\\\\.\\pipe\\WinFsp.{14E7137D-22B4-437A-B0C1-D21D1BDF3767}"
#define LAUNCHER_PIPE_BUFFER_SIZE 4096
#define LAUNCHER_PIPE_DEFAULT_TIMEOUT (2 * 15000 + 1000)
#define LAUNCHER_START_WITH_SECRET_TIMEOUT 15000
/*
* The launcher named pipe SDDL gives full access to LocalSystem and Administrators and
* GENERIC_READ and FILE_WRITE_DATA access to Everyone. We are careful not to give the
* FILE_CREATE_PIPE_INSTANCE right to Everyone to disallow the creation of additional
* pipe instances.
*/
#define LAUNCHER_PIPE_SDDL "O:SYG:SYD:P(A;;GA;;;SY)(A;;GA;;;BA)(A;;GRDCCR;;;WD)"
#define LAUNCHER_PIPE_OWNER ((PSID)WinLocalSystemSid)
/*
* The default service instance SDDL gives full access to LocalSystem and Administrators.
* The only possible service instance rights are as follows:
* RP SERVICE_START
* WP SERVICE_STOP
* LC SERVICE_QUERY_STATUS
*
* To create a service that can be started, stopped or queried by Everyone, you can set
* the following SDDL:
* D:P(A;;RPWPLC;;;WD)
*/
#define SVC_INSTANCE_DEFAULT_SDDL "D:P(A;;RPWPLC;;;SY)(A;;RPWPLC;;;BA)"
enum
{
LauncherSvcInstanceStart = 'S', /* requires: SERVICE_START */
LauncherSvcInstanceStartWithSecret = 'X', /* requires: SERVICE_START */
LauncherSvcInstanceStop = 'T', /* requires: SERVICE_STOP */
LauncherSvcInstanceInfo = 'I', /* requires: SERVICE_QUERY_STATUS */
LauncherSvcInstanceList = 'L', /* requires: none*/
LauncherDefineDosDevice = 'D',
LauncherQuit = 'Q', /* DEBUG version only */
LauncherSuccess = '$',
LauncherFailure = '!',
};
#endif