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Merge pull request #1736 from visuve/dev

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Fix service installation MAX_PATH bug on Windows
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Adam Ierymenko 2022-11-04 11:14:49 -04:00 • committed by GitHub
commit 381460fd97
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1 changed files with 16 additions and 10 deletions
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14
windows/ZeroTierOne/ServiceInstaller.cpp
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@ -50,20 +50,26 @@ std::string InstallService(PSTR pszServiceName,
PSTR pszPassword)
{
std::string ret;
char szPathTmp[MAX_PATH],szPath[MAX_PATH];
std::string path(0x7FFF, '\0');
SC_HANDLE schSCManager = NULL;
SC_HANDLE schService = NULL;
SERVICE_DESCRIPTION sd;
LPTSTR szDesc = TEXT("ZeroTier network virtualization service.");
if (GetModuleFileName(NULL, szPathTmp, ARRAYSIZE(szPath)) == 0)
DWORD dwCharacters = GetModuleFileName(NULL, path.data(), path.size());
if (dwCharacters == 0)
{
ret = "GetModuleFileName failed, unable to get path to self";
goto Cleanup;
}
// Trim excess nulls which the returned size does not include
path.resize(dwCharacters);
// Quote path in case it contains spaces
_snprintf_s(szPath,sizeof(szPath),"\"%s\"",szPathTmp);
path = '"' + path + '"';
// Open the local default service control manager database
schSCManager = OpenSCManager(NULL, NULL, SC_MANAGER_CONNECT |
@ -83,7 +89,7 @@ std::string InstallService(PSTR pszServiceName,
SERVICE_WIN32_OWN_PROCESS, // Service type
dwStartType, // Service start type
SERVICE_ERROR_NORMAL, // Error control type
szPath, // Service's binary
path.c_str(), // Service's binary
NULL, // No load ordering group
NULL, // No tag identifier
pszDependencies, // Dependencies