private static void LoadMachineStores()
{
Debug.Assert(
Monitor.IsEntered(s_machineLoadLock),
"LoadMachineStores assumes a lock(s_machineLoadLock)");
var rootStore = new List <X509Certificate2>();
var intermedStore = new List <X509Certificate2>();
DirectoryInfo rootStorePath = null;
IEnumerable <FileInfo> trustedCertFiles;
try
{
rootStorePath = new DirectoryInfo(Interop.Crypto.GetX509RootStorePath());
}
catch (ArgumentException)
{
// If SSL_CERT_DIR is set to the empty string, or anything else which gives
// "The path is not of a legal form", then the GetX509RootStorePath value is ignored.
}
if (rootStorePath != null && rootStorePath.Exists)
{
trustedCertFiles = rootStorePath.EnumerateFiles();
}
else
{
trustedCertFiles = Array.Empty <FileInfo>();
}
FileInfo rootStoreFile = null;
try
{
rootStoreFile = new FileInfo(Interop.Crypto.GetX509RootStoreFile());
}
catch (ArgumentException)
{
// If SSL_CERT_FILE is set to the empty string, or anything else which gives
// "The path is not of a legal form", then the GetX509RootStoreFile value is ignored.
}
if (rootStoreFile != null && rootStoreFile.Exists)
{
trustedCertFiles = Append(trustedCertFiles, rootStoreFile);
}
HashSet <X509Certificate2> uniqueRootCerts = new HashSet <X509Certificate2>();
HashSet <X509Certificate2> uniqueIntermediateCerts = new HashSet <X509Certificate2>();
foreach (FileInfo file in trustedCertFiles)
{
using (SafeBioHandle fileBio = Interop.Crypto.BioNewFile(file.FullName, "rb"))
{
ICertificatePal pal;
while (CertificatePal.TryReadX509Pem(fileBio, out pal) ||
CertificatePal.TryReadX509Der(fileBio, out pal))
{
X509Certificate2 cert = new X509Certificate2(pal);
// The HashSets are just used for uniqueness filters, they do not survive this method.
if (StringComparer.Ordinal.Equals(cert.Subject, cert.Issuer))
{
if (uniqueRootCerts.Add(cert))
{
rootStore.Add(cert);
continue;
}
}
else
{
if (uniqueIntermediateCerts.Add(cert))
{
intermedStore.Add(cert);
continue;
}
}
// There's a good chance we'll encounter duplicates on systems that have both one-cert-per-file
// and one-big-file trusted certificate stores. Anything that wasn't unique will end up here.
cert.Dispose();
}
}
}
var rootStorePal = new CollectionBackedStoreProvider(rootStore);
s_machineIntermediateStore = new CollectionBackedStoreProvider(intermedStore);
// s_machineRootStore's nullarity is the loaded-state sentinel, so write it with Volatile.
Debug.Assert(Monitor.IsEntered(s_machineLoadLock), "LoadMachineStores assumes a lock(s_machineLoadLock)");
Volatile.Write(ref s_machineRootStore, rootStorePal);
}
private static void LoadMachineStores()
{
Debug.Assert(
Monitor.IsEntered(s_machineLoadLock),
"LoadMachineStores assumes a lock(s_machineLoadLock)");
var rootStore = new List <X509Certificate2>();
var intermedStore = new List <X509Certificate2>();
DirectoryInfo rootStorePath = null;
IEnumerable <FileInfo> trustedCertFiles;
try
{
rootStorePath = new DirectoryInfo(Interop.Crypto.GetX509RootStorePath());
}
catch (ArgumentException)
{
// If SSL_CERT_DIR is set to the empty string, or anything else which gives
// "The path is not of a legal form", then the GetX509RootStorePath value is ignored.
}
if (rootStorePath != null && rootStorePath.Exists)
{
trustedCertFiles = rootStorePath.EnumerateFiles();
}
else
{
trustedCertFiles = Array.Empty <FileInfo>();
}
FileInfo rootStoreFile = null;
try
{
rootStoreFile = new FileInfo(Interop.Crypto.GetX509RootStoreFile());
}
catch (ArgumentException)
{
// If SSL_CERT_FILE is set to the empty string, or anything else which gives
// "The path is not of a legal form", then the GetX509RootStoreFile value is ignored.
}
if (rootStoreFile != null && rootStoreFile.Exists)
{
trustedCertFiles = trustedCertFiles.Prepend(rootStoreFile);
}
HashSet <X509Certificate2> uniqueRootCerts = new HashSet <X509Certificate2>();
HashSet <X509Certificate2> uniqueIntermediateCerts = new HashSet <X509Certificate2>();
foreach (FileInfo file in trustedCertFiles)
{
using (SafeBioHandle fileBio = Interop.Crypto.BioNewFile(file.FullName, "rb"))
{
// The handle may be invalid, for example when we don't have read permission for the file.
if (fileBio.IsInvalid)
{
Interop.Crypto.ErrClearError();
continue;
}
ICertificatePal pal;
// Some distros ship with two variants of the same certificate.
// One is the regular format ('BEGIN CERTIFICATE') and the other
// contains additional AUX-data ('BEGIN TRUSTED CERTIFICATE').
// The additional data contains the appropriate usage (e.g. emailProtection, serverAuth, ...).
// Because corefx doesn't validate for a specific usage, derived certificates are rejected.
// For now, we skip the certificates with AUX data and use the regular certificates.
while (OpenSslX509CertificateReader.TryReadX509PemNoAux(fileBio, out pal) ||
OpenSslX509CertificateReader.TryReadX509Der(fileBio, out pal))
{
X509Certificate2 cert = new X509Certificate2(pal);
// The HashSets are just used for uniqueness filters, they do not survive this method.
if (StringComparer.Ordinal.Equals(cert.Subject, cert.Issuer))
{
if (uniqueRootCerts.Add(cert))
{
rootStore.Add(cert);
continue;
}
}
else
{
if (uniqueIntermediateCerts.Add(cert))
{
intermedStore.Add(cert);
continue;
}
}
// There's a good chance we'll encounter duplicates on systems that have both one-cert-per-file
// and one-big-file trusted certificate stores. Anything that wasn't unique will end up here.
cert.Dispose();
}
}
}
var rootStorePal = new CollectionBackedStoreProvider(rootStore);
s_machineIntermediateStore = new CollectionBackedStoreProvider(intermedStore);
// s_machineRootStore's nullarity is the loaded-state sentinel, so write it with Volatile.
Debug.Assert(Monitor.IsEntered(s_machineLoadLock), "LoadMachineStores assumes a lock(s_machineLoadLock)");
Volatile.Write(ref s_machineRootStore, rootStorePal);
}