PLZ帮我解决这个问题:
我在此代码中创建了一个基本服务:
#include "stdafx.h"
PWSTR pszServiceName;
PWSTR pszDisplayName;
DWORD dwStartType;
PWSTR pszDependencies;
PWSTR pszAccount;
PWSTR pszPassword;
#define MAX_PATH 100
void __cdecl _tmain(int argc, TCHAR *argv[])
{
wchar_t szPath[MAX_PATH];
SC_HANDLE schSCManager = NULL;
SC_HANDLE schService = NULL;
if (GetModuleFileName(NULL, szPath, ARRAYSIZE(szPath)) == 0)
{
wprintf(L"GetModuleFileName failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
// Open the local default service control manager database
schSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT |
SC_MANAGER_CREATE_SERVICE);
if (schSCManager == NULL)
{
wprintf(L"OpenSCManager failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
// Install the service into SCM by calling CreateService
schService = CreateService(
schSCManager, // SCManager database
pszServiceName, // Name of service
pszDisplayName, // Name to display
SERVICE_QUERY_STATUS, // Desired access
SERVICE_WIN32_OWN_PROCESS, // Service type
dwStartType, // Service start type
SERVICE_ERROR_NORMAL, // Error control type
szPath, // Service's binary
NULL, // No load ordering group
NULL, // No tag identifier
pszDependencies, // Dependencies
pszAccount, // Service running account
pszPassword // Password of the account
);
if (schService == NULL)
{
wprintf(L"CreateService failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
wprintf(L"%s is installed.\n", pszServiceName);
Cleanup:
// Centralized cleanup for all allocated resources.
if (schSCManager)
{
CloseServiceHandle(schSCManager);
schSCManager = NULL;
}
if (schService)
{
CloseServiceHandle(schService);
schService = NULL;
}
}
当我运行它时,我收到错误:CreateService失败w / err 0x000001e7(我只知道它是:ERROR_INVALID_ADDRESS) - 但我不知道究竟是什么意思,以及如何修复。
任何人都帮助我。
答案 0 :(得分:2)
除了schSCManager
和szPath
变量之外,您传递给CreateService()
的其他变量的所有尚未初始化,它们包含随机数值。这对于psz...
变量尤其重要,因为它们是指针,因此您实际上将随机内存地址传递给CreateService()
。这就是您收到ERROR_INVALID_ADDRESS
错误的原因。
您需要初始化变量!
pszServiceName
需要指向包含所需服务名称的以null结尾的字符串。
pszDisplayName
需要指向包含所需服务显示名称的以null结尾的字符串。
dwStartType
需要包含有效的起始类型整数值。
pszDependencies
需要为NULL,或者指向一个双重结尾的字符串,其中包含服务所依赖的空值分隔的服务名称列表。
pszAccount
需要为NULL或指向以空字符结尾的字符串,该字符串包含服务所在的所需用户帐户。
pszPassword
需要为NULL或指向包含pszAccount
帐户密码的以空字符结尾的字符串。
编辑:您最好完全摆脱变量并将所需的值直接传递给CreateService()
。试试这个:
#include "stdafx.h"
void __cdecl _tmain(int argc, TCHAR *argv[])
{
wchar_t szPath[MAX_PATH+1];
SC_HANDLE schSCManager = NULL;
SC_HANDLE schService = NULL;
if (GetModuleFileName(NULL, szPath, ARRAYSIZE(szPath)) == 0)
{
wprintf(L"GetModuleFileName failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
// Open the local default service control manager database
schSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT | SC_MANAGER_CREATE_SERVICE);
if (schSCManager == NULL)
{
wprintf(L"OpenSCManager failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
// Install the service into SCM by calling CreateService
schService = CreateService(
schSCManager, // SCManager database
L"Win32_Service, // Name of service
L"My Service, // Name to display
SERVICE_QUERY_STATUS, // Desired access
SERVICE_WIN32_OWN_PROCESS, // Service type
SERVICE_DEMAND_START, // Service start type
SERVICE_ERROR_NORMAL, // Error control type
szPath, // Service's binary
NULL, // No load ordering group
NULL, // No tag identifier
NULL, // No Dependencies
L"NT AUTHORITY\\LocalService", // Service running account
NULL // No Password of the account
);
if (schService == NULL)
{
wprintf(L"CreateService failed w/err 0x%08lx\n", GetLastError());
goto Cleanup;
}
wprintf(L"Service is installed.\n");
Cleanup:
// Centralized cleanup for all allocated resources.
if (schService)
{
CloseServiceHandle(schService);
schService = NULL;
}
if (schSCManager)
{
CloseServiceHandle(schSCManager);
schSCManager = NULL;
}
}