x509store.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / security / system / security / cryptography / x509 / x509store.cs / 1 / x509store.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 

// 
// X509Store.cs 
//
 
namespace System.Security.Cryptography.X509Certificates {
    using System.Globalization;
    using System.Runtime.InteropServices;
    using System.Security.Cryptography; 
    using System.Security.Permissions;
 
    public enum StoreLocation { 
        CurrentUser     = 0x01,
        LocalMachine    = 0x02 
    }

    [Flags]
    // this enum defines the Open modes. Read/ReadWrite/MaxAllowed are mutually exclusive. 
    public enum OpenFlags {
        ReadOnly         = 0x00, 
        ReadWrite        = 0x01, 
        MaxAllowed       = 0x02,
        OpenExistingOnly = 0x04, 
        IncludeArchived  = 0x08
    }

    public enum StoreName { 
        AddressBook = 1,        // other people.
        AuthRoot,               // third party trusted roots. 
        CertificateAuthority,   // intermediate CAs. 
        Disallowed,             // revoked certificates.
        My,                     // personal certificates. 
        Root,                   // trusted root CAs.
        TrustedPeople,          // trusted people (used in EFS).
        TrustedPublisher,       // trusted publishers (used in Authenticode).
    } 

    public sealed class X509Store { 
        private string m_storeName; 
        private StoreLocation m_location;
        private SafeCertStoreHandle m_safeCertStoreHandle = SafeCertStoreHandle.InvalidHandle; 

        public X509Store () : this("MY", StoreLocation.CurrentUser) {}

        public X509Store (string storeName) : this (storeName, StoreLocation.CurrentUser) {} 

        public X509Store (StoreName storeName) : this(storeName, StoreLocation.CurrentUser) {} 
 
        public X509Store (StoreLocation storeLocation) : this ("MY", storeLocation) {}
 
        public X509Store (StoreName storeName, StoreLocation storeLocation) {
            if (storeLocation != StoreLocation.CurrentUser && storeLocation != StoreLocation.LocalMachine)
                throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.Arg_EnumIllegalVal), "storeLocation"));
 
            switch (storeName) {
            case StoreName.AddressBook: 
                m_storeName = "AddressBook"; 
                break;
            case StoreName.AuthRoot: 
                m_storeName = "AuthRoot";
                break;
            case StoreName.CertificateAuthority:
                m_storeName = "CA"; 
                break;
            case StoreName.Disallowed: 
                m_storeName = "Disallowed"; 
                break;
            case StoreName.My: 
                m_storeName = "My";
                break;
            case StoreName.Root:
                m_storeName = "Root"; 
                break;
            case StoreName.TrustedPeople: 
                m_storeName = "TrustedPeople"; 
                break;
            case StoreName.TrustedPublisher: 
                m_storeName = "TrustedPublisher";
                break;
            default:
                throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.Arg_EnumIllegalVal), "storeName")); 
            }
 
            m_location = storeLocation; 
        }
 
        public X509Store (string storeName, StoreLocation storeLocation) {
            if (storeLocation != StoreLocation.CurrentUser && storeLocation != StoreLocation.LocalMachine)
                throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.Arg_EnumIllegalVal), "storeLocation"));
 
            m_storeName = storeName;
            m_location = storeLocation; 
        } 

        // Package protected constructor for creating a chain from a HCERTSTORE 
        [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)]
        [SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags=SecurityPermissionFlag.UnmanagedCode)]
        public X509Store (IntPtr storeHandle) {
            if (storeHandle == IntPtr.Zero) 
                throw new ArgumentNullException("storeHandle");
            m_safeCertStoreHandle = CAPI.CertDuplicateStore(storeHandle); 
            if (m_safeCertStoreHandle == null || m_safeCertStoreHandle.IsInvalid) 
                throw new CryptographicException(SR.GetString(SR.Cryptography_InvalidStoreHandle), "storeHandle");
        } 

        public IntPtr StoreHandle {
            [SecurityPermissionAttribute(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)]
            [SecurityPermissionAttribute(SecurityAction.InheritanceDemand, Flags=SecurityPermissionFlag.UnmanagedCode)] 
            get {
                return m_safeCertStoreHandle.DangerousGetHandle(); 
            } 
        }
 
        public StoreLocation Location {
            get { return m_location; }
        }
 
        public string Name {
            get { return m_storeName; } 
        } 

        public void Open(OpenFlags flags) { 
            if (m_location != StoreLocation.CurrentUser && m_location != StoreLocation.LocalMachine)
                throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, SR.GetString(SR.Arg_EnumIllegalVal), "m_location"));

            uint storeFlags = X509Utils.MapX509StoreFlags(m_location, flags); 
            if (!m_safeCertStoreHandle.IsInvalid)
                // Free the current store handle 
                m_safeCertStoreHandle.Dispose(); 

            m_safeCertStoreHandle = CAPI.CertOpenStore(new IntPtr(CAPI.CERT_STORE_PROV_SYSTEM), 
                                                       CAPI.X509_ASN_ENCODING | CAPI.PKCS_7_ASN_ENCODING,
                                                       IntPtr.Zero,
                                                       storeFlags,
                                                       m_storeName); 

            if (m_safeCertStoreHandle == null || m_safeCertStoreHandle.IsInvalid) 
                throw new CryptographicException(Marshal.GetLastWin32Error()); 

            // 
            // We want the store to auto-resync when requesting a snapshot so that
            // updates to the store will be taken into account.
            //
 
            CAPI.CertControlStore(m_safeCertStoreHandle,
                                  0, 
                                  CAPI.CERT_STORE_CTRL_AUTO_RESYNC, 
                                  IntPtr.Zero);
        } 

        public void Close() {
            if (m_safeCertStoreHandle != null && !m_safeCertStoreHandle.IsClosed)
                m_safeCertStoreHandle.Dispose(); 
        }
 
        public void Add(X509Certificate2 certificate) { 
            if (certificate == null)
                throw new ArgumentNullException("certificate"); 

            if (!CAPI.CertAddCertificateContextToStore(m_safeCertStoreHandle,
                                                       certificate.CertContext,
                                                       CAPI.CERT_STORE_ADD_REPLACE_EXISTING_INHERIT_PROPERTIES, 
                                                       SafeCertContextHandle.InvalidHandle))
                throw new CryptographicException(Marshal.GetLastWin32Error()); 
        } 

        public void AddRange(X509Certificate2Collection certificates) { 
            if (certificates == null)
                throw new ArgumentNullException("certificates");

            int i = 0; 
            try {
                foreach (X509Certificate2 certificate in certificates) { 
                    Add(certificate); 
                    i++;
                } 
            } catch {
                for (int j=0; j

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