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Merge pull request #1697 from PowerShell/mirichmo/pwrshplugin-hosting-fixes

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PwrshPlugin Fix to List Microsoft.PowerShell.CoreCLR.AssemblyLoadContext Once in the TPA List
This commit is contained in:
Dongbo Wang 2016-08-09 14:14:18 -07:00 committed by GitHub
commit 5e310a7510
1 changed files with 19 additions and 4 deletions
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23
src/powershell-native/nativemsh/pwrshcommon/pwrshcommon.cpp
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@ -1355,14 +1355,29 @@ namespace NativeMsh
LPCSTR vals[nMaxProps];
int nProps = 0;
// If I do not include my managed enload point dll in this list, I get a security error.
// The TPA list is the required list of CoreCLR assemblies that comprise
// the trusted platform upon which PowerShell will run.
std::stringstream assemblyList;
bool listEmpty = true;
this->GetTrustedAssemblyList(hostEnvironment.GetCoreCLRDirectoryPath(), assemblyList, listEmpty);
char coreCLRPowerShellExtInstallPath[MAX_PATH];
::ExpandEnvironmentStringsA(coreCLRPowerShellExtInstallDirectory, coreCLRPowerShellExtInstallPath, MAX_PATH);
this->GetTrustedAssemblyList(coreCLRPowerShellExtInstallPath, assemblyList, listEmpty);
// Fall back to attempt to load the CLR from the alternate inbox location
// or if the ALC was not located in the CoreCLR directory.
std::string assemblyListToSearch = assemblyList.str();
if (listEmpty ||
(std::string::npos == assemblyListToSearch.rfind("Microsoft.PowerShell.CoreCLR.AssemblyLoadContext")))
{
char coreCLRPowerShellExtInstallPath[MAX_PATH];
::ExpandEnvironmentStringsA(coreCLRPowerShellExtInstallDirectory, coreCLRPowerShellExtInstallPath, MAX_PATH);
this->GetTrustedAssemblyList(coreCLRPowerShellExtInstallPath, assemblyList, listEmpty);
}
if (listEmpty)
{
// No CoreCLR assemblies were found in either location. There is no
// point in continuing.
this->output->DisplayMessage(false, g_STARTING_CLR_FAILED, GetLastError());
return EXIT_CODE_INIT_FAILURE;
}
props[nProps] = "TRUSTED_PLATFORM_ASSEMBLIES";
std::string tempStr = assemblyList.str();