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Merge pull request #69 from GhostPack/module-certificates
Added Certificates command
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Security.Cryptography.X509Certificates; | ||
| using Seatbelt.Output.Formatters; | ||
| using Seatbelt.Output.TextWriters; | ||
|
|
||
| namespace Seatbelt.Commands | ||
| { | ||
| internal class CertificateCommand : CommandBase | ||
| { | ||
| public override string Command => "Certificates"; | ||
| public override string Description => "Finds user and machine certificate files"; | ||
| public override CommandGroup[] Group => new[] { CommandGroup.User, CommandGroup.System}; | ||
| public override bool SupportRemote => false; | ||
|
|
||
| public CertificateCommand(Runtime runtime) : base(runtime) | ||
| { | ||
| } | ||
|
|
||
| public override IEnumerable<CommandDTOBase?> Execute(string[] args) | ||
| { | ||
| foreach (var storeLocation in new Enum[] { StoreLocation.CurrentUser, StoreLocation.LocalMachine }) | ||
| { | ||
|
|
||
| var store = new X509Store(StoreName.My, (StoreLocation)storeLocation); | ||
| store.Open(OpenFlags.ReadOnly); | ||
|
|
||
| foreach (var certificate in store.Certificates) | ||
| { | ||
| var template = ""; | ||
| var enhancedKeyUsages = new List<string>(); | ||
| bool? keyExportable = false; | ||
|
|
||
| try | ||
| { | ||
| certificate.PrivateKey.ToXmlString(true); | ||
| keyExportable = true; | ||
| } | ||
| catch (Exception e) | ||
| { | ||
| keyExportable = !e.Message.Contains("not valid for use in specified state"); | ||
| } | ||
|
|
||
| foreach (var ext in certificate.Extensions) | ||
| { | ||
| if (ext.Oid.FriendlyName == "Enhanced Key Usage") | ||
| { | ||
| var extUsages = ((X509EnhancedKeyUsageExtension)ext).EnhancedKeyUsages; | ||
|
|
||
| if (extUsages.Count == 0) | ||
| continue; | ||
|
|
||
| foreach (var extUsage in extUsages) | ||
| { | ||
| enhancedKeyUsages.Add(extUsage.FriendlyName); | ||
| } | ||
| } | ||
| else if (ext.Oid.FriendlyName == "Certificate Template Name" || ext.Oid.FriendlyName == "Certificate Template Information") | ||
| { | ||
| template = ext.Format(false); | ||
| } | ||
| } | ||
|
|
||
| if (!Runtime.FilterResults || (Runtime.FilterResults && (DateTime.Compare(certificate.NotAfter, DateTime.Now) >= 0))) | ||
| { | ||
| yield return new CertificateDTO() | ||
| { | ||
| StoreLocation = $"{storeLocation}", | ||
| Issuer = certificate.Issuer, | ||
| Subject = certificate.Subject, | ||
| ValidDate = certificate.NotBefore, | ||
| ExpiryDate = certificate.NotAfter, | ||
| HasPrivateKey = certificate.HasPrivateKey, | ||
| KeyExportable = keyExportable, | ||
| Template = template, | ||
| Thumbprint = certificate.Thumbprint, | ||
| EnhancedKeyUsages = enhancedKeyUsages | ||
| }; | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| internal class CertificateDTO : CommandDTOBase | ||
| { | ||
| public string? StoreLocation { get; set; } | ||
| public string? Issuer { get; set; } | ||
| public string? Subject { get; set; } | ||
| public DateTime? ValidDate { get; set; } | ||
| public DateTime? ExpiryDate { get; set; } | ||
| public bool? HasPrivateKey { get; set; } | ||
| public bool? KeyExportable { get; set; } | ||
| public string? Thumbprint { get; set; } | ||
| public string? Template { get; set; } | ||
| public List<string>? EnhancedKeyUsages { get; set; } | ||
| } | ||
|
|
||
| [CommandOutputType(typeof(CertificateDTO))] | ||
| internal class CertificateFormatter : TextFormatterBase | ||
| { | ||
| public CertificateFormatter(ITextWriter writer) : base(writer) | ||
| { | ||
| } | ||
|
|
||
| public override void FormatResult(CommandBase? command, CommandDTOBase result, bool filterResults) | ||
| { | ||
| var dto = (CertificateDTO)result; | ||
|
|
||
| WriteLine(" StoreLocation : {0}", dto.StoreLocation); | ||
| WriteLine(" Issuer : {0}", dto.Issuer); | ||
| WriteLine(" Subject : {0}", dto.Subject); | ||
| WriteLine(" ValidDate : {0}", dto.ValidDate); | ||
| WriteLine(" ExpiryDate : {0}", dto.ExpiryDate); | ||
| WriteLine(" HasPrivateKey : {0}", dto.HasPrivateKey); | ||
| WriteLine(" KeyExportable : {0}", dto.KeyExportable); | ||
| WriteLine(" Thumbprint : {0}", dto.Thumbprint); | ||
|
|
||
| if (!string.IsNullOrEmpty(dto.Template)) | ||
| { | ||
| WriteLine(" Template : {0}", dto.Template); | ||
| } | ||
|
|
||
| if (dto.EnhancedKeyUsages?.Count > 0) | ||
| { | ||
| WriteLine(" EnhancedKeyUsages :"); | ||
| foreach(var eku in dto.EnhancedKeyUsages) | ||
| { | ||
| WriteLine(" {0}{1}", | ||
| eku, | ||
| eku == "Client Authentication" ? " [!] Certificate is used for client authentication!" : ""); | ||
|
|
||
| } | ||
| } | ||
| WriteLine(); | ||
| } | ||
| } | ||
| } | ||
| } |
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