| | 1 | | using System; |
| | 2 | | using System.Collections.Generic; |
| | 3 | | using System.Diagnostics.CodeAnalysis; |
| | 4 | | using System.Linq; |
| | 5 | | using System.Runtime.InteropServices; |
| | 6 | | using System.Security.AccessControl; |
| | 7 | | using System.Security.Cryptography.X509Certificates; |
| | 8 | | using System.Security.Principal; |
| | 9 | | using System.Threading.Tasks; |
| | 10 | | using Microsoft.Extensions.Logging; |
| | 11 | | using SharpHoundCommonLib.Enums; |
| | 12 | | using SharpHoundCommonLib.LDAPQueries; |
| | 13 | | using SharpHoundCommonLib.OutputTypes; |
| | 14 | |
|
| | 15 | | // ReSharper disable StringLiteralTypo |
| | 16 | |
|
| | 17 | | namespace SharpHoundCommonLib.Processors { |
| | 18 | | public class LdapPropertyProcessor { |
| | 19 | | private static readonly HashSet<string> ReservedAttributes = new(); |
| | 20 | |
|
| | 21 | | static LdapPropertyProcessor() { |
| | 22 | | ReservedAttributes.UnionWith(CommonProperties.TypeResolutionProps); |
| | 23 | | ReservedAttributes.UnionWith(CommonProperties.BaseQueryProps); |
| | 24 | | ReservedAttributes.UnionWith(CommonProperties.GroupResolutionProps); |
| | 25 | | ReservedAttributes.UnionWith(CommonProperties.ComputerMethodProps); |
| | 26 | | ReservedAttributes.UnionWith(CommonProperties.ACLProps); |
| | 27 | | ReservedAttributes.UnionWith(CommonProperties.ObjectPropsProps); |
| | 28 | | ReservedAttributes.UnionWith(CommonProperties.ContainerProps); |
| | 29 | | ReservedAttributes.UnionWith(CommonProperties.SPNTargetProps); |
| | 30 | | ReservedAttributes.UnionWith(CommonProperties.DomainTrustProps); |
| | 31 | | ReservedAttributes.UnionWith(CommonProperties.GPOLocalGroupProps); |
| | 32 | | ReservedAttributes.UnionWith(CommonProperties.CertAbuseProps); |
| | 33 | | ReservedAttributes.Add(LDAPProperties.DSASignature); |
| | 34 | | } |
| | 35 | |
|
| | 36 | | private readonly ILdapUtils _utils; |
| | 37 | |
|
| | 38 | | public LdapPropertyProcessor(ILdapUtils utils) { |
| | 39 | | _utils = utils; |
| | 40 | | } |
| | 41 | |
|
| | 42 | | private static Dictionary<string, object> GetCommonProps(IDirectoryObject entry) { |
| | 43 | | var ret = new Dictionary<string, object>(); |
| | 44 | | if (entry.TryGetProperty(LDAPProperties.Description, out var description)) { |
| | 45 | | ret["description"] = description; |
| | 46 | | } |
| | 47 | |
|
| | 48 | | if (entry.TryGetProperty(LDAPProperties.WhenCreated, out var wc)) { |
| | 49 | | ret["whencreated"] = Helpers.ConvertTimestampToUnixEpoch(wc); |
| | 50 | | } |
| | 51 | |
|
| | 52 | | return ret; |
| | 53 | | } |
| | 54 | |
|
| | 55 | | /// <summary> |
| | 56 | | /// Reads specific LDAP properties related to Domains |
| | 57 | | /// </summary> |
| | 58 | | /// <param name="entry"></param> |
| | 59 | | /// <returns></returns> |
| | 60 | | public async Task<Dictionary<string, object>> ReadDomainProperties(IDirectoryObject entry, string domain) |
| | 61 | | { |
| | 62 | | var props = GetCommonProps(entry); |
| | 63 | |
|
| | 64 | |
|
| | 65 | | props.Add("expirepasswordsonsmartcardonlyaccounts", entry.GetProperty(LDAPProperties.ExpirePasswordsOnSmartC |
| | 66 | | props.Add("machineaccountquota", entry.GetProperty(LDAPProperties.MachineAccountQuota)); |
| | 67 | | props.Add("minpwdlength", entry.GetProperty(LDAPProperties.MinPwdLength)); |
| | 68 | | props.Add("pwdproperties", entry.GetProperty(LDAPProperties.PwdProperties)); |
| | 69 | | props.Add("pwdhistorylength", entry.GetProperty(LDAPProperties.PwdHistoryLength)); |
| | 70 | | props.Add("lockoutthreshold", entry.GetProperty(LDAPProperties.LockoutThreshold)); |
| | 71 | |
|
| | 72 | | if (entry.TryGetLongProperty(LDAPProperties.MinPwdAge, out var minpwdage)) { |
| | 73 | | var duration = ConvertNanoDuration(minpwdage); |
| | 74 | | if (duration != null) { |
| | 75 | | props.Add("minpwdage", duration); |
| | 76 | | } |
| | 77 | | } |
| | 78 | | if (entry.TryGetLongProperty(LDAPProperties.MaxPwdAge, out var maxpwdage)) { |
| | 79 | | var duration = ConvertNanoDuration(maxpwdage); |
| | 80 | | if (duration != null) { |
| | 81 | | props.Add("maxpwdage", duration); |
| | 82 | | } |
| | 83 | | } |
| | 84 | | if (entry.TryGetLongProperty(LDAPProperties.LockoutDuration, out var lockoutduration)) { |
| | 85 | | var duration = ConvertNanoDuration(lockoutduration); |
| | 86 | | if (duration != null) { |
| | 87 | | props.Add("lockoutduration", duration); |
| | 88 | | } |
| | 89 | | } |
| | 90 | | if (entry.TryGetLongProperty(LDAPProperties.LockOutObservationWindow, out var lockoutobservationwindow)) { |
| | 91 | | var duration = ConvertNanoDuration(lockoutobservationwindow); |
| | 92 | | if (duration != null) { |
| | 93 | | props.Add("lockoutobservationwindow", lockoutobservationwindow); |
| | 94 | | } |
| | 95 | | } |
| | 96 | | if (!entry.TryGetLongProperty(LDAPProperties.DomainFunctionalLevel, out var functionalLevel)) { |
| | 97 | | functionalLevel = -1; |
| | 98 | | } |
| | 99 | | props.Add("functionallevel", FunctionalLevelToString((int)functionalLevel)); |
| | 100 | |
|
| | 101 | | var dn = entry.GetProperty(LDAPProperties.DistinguishedName); |
| | 102 | | var dsh = await _utils.GetDSHueristics(domain, dn); |
| | 103 | | props.Add("dsheuristics", dsh.DSHeuristics); |
| | 104 | |
|
| | 105 | | return props; |
| | 106 | | } |
| | 107 | |
|
| | 108 | | /// <summary> |
| | 109 | | /// Converts a numeric representation of a functional level to its appropriate functional level string |
| | 110 | | /// </summary> |
| | 111 | | /// <param name="level"></param> |
| | 112 | | /// <returns></returns> |
| | 113 | | public static string FunctionalLevelToString(int level) { |
| | 114 | | var functionalLevel = level switch { |
| | 115 | | 0 => "2000 Mixed/Native", |
| | 116 | | 1 => "2003 Interim", |
| | 117 | | 2 => "2003", |
| | 118 | | 3 => "2008", |
| | 119 | | 4 => "2008 R2", |
| | 120 | | 5 => "2012", |
| | 121 | | 6 => "2012 R2", |
| | 122 | | 7 => "2016", |
| | 123 | | 8 => "2025", |
| | 124 | | _ => "Unknown" |
| | 125 | | }; |
| | 126 | |
|
| | 127 | | return functionalLevel; |
| | 128 | | } |
| | 129 | |
|
| | 130 | | /// <summary> |
| | 131 | | /// Reads specific LDAP properties related to GPOs |
| | 132 | | /// </summary> |
| | 133 | | /// <param name="entry"></param> |
| | 134 | | /// <returns></returns> |
| | 135 | | public static Dictionary<string, object> ReadGPOProperties(IDirectoryObject entry) { |
| | 136 | | var props = GetCommonProps(entry); |
| | 137 | | entry.TryGetProperty(LDAPProperties.GPCFileSYSPath, out var path); |
| | 138 | | props.Add("gpcpath", path.ToUpper()); |
| | 139 | | return props; |
| | 140 | | } |
| | 141 | |
|
| | 142 | | /// <summary> |
| | 143 | | /// Reads specific LDAP properties related to OUs |
| | 144 | | /// </summary> |
| | 145 | | /// <param name="entry"></param> |
| | 146 | | /// <returns></returns> |
| | 147 | | public static Dictionary<string, object> ReadOUProperties(IDirectoryObject entry) { |
| | 148 | | var props = GetCommonProps(entry); |
| | 149 | | return props; |
| | 150 | | } |
| | 151 | |
|
| | 152 | | /// <summary> |
| | 153 | | /// Reads specific LDAP properties related to Groups |
| | 154 | | /// </summary> |
| | 155 | | /// <param name="entry"></param> |
| | 156 | | /// <returns></returns> |
| | 157 | | public static Dictionary<string, object> ReadGroupProperties(IDirectoryObject entry) { |
| | 158 | | var props = GetCommonProps(entry); |
| | 159 | | entry.TryGetLongProperty(LDAPProperties.AdminCount, out var ac); |
| | 160 | | props.Add("admincount", ac != 0); |
| | 161 | | return props; |
| | 162 | | } |
| | 163 | |
|
| | 164 | | /// <summary> |
| | 165 | | /// Reads specific LDAP properties related to containers |
| | 166 | | /// </summary> |
| | 167 | | /// <param name="entry"></param> |
| | 168 | | /// <returns></returns> |
| | 169 | | public static Dictionary<string, object> ReadContainerProperties(IDirectoryObject entry) { |
| | 170 | | var props = GetCommonProps(entry); |
| | 171 | | return props; |
| | 172 | | } |
| | 173 | |
|
| | 174 | | public Task<UserProperties> |
| | 175 | | ReadUserProperties(IDirectoryObject entry, ResolvedSearchResult searchResult) { |
| | 176 | | return ReadUserProperties(entry, searchResult.Domain); |
| | 177 | | } |
| | 178 | |
|
| | 179 | | /// <summary> |
| | 180 | | /// Reads specific LDAP properties related to Users |
| | 181 | | /// </summary> |
| | 182 | | /// <param name="entry"></param> |
| | 183 | | /// <param name="domain"></param> |
| | 184 | | /// <returns></returns> |
| | 185 | | public async Task<UserProperties> ReadUserProperties(IDirectoryObject entry, string domain) { |
| | 186 | | var userProps = new UserProperties(); |
| | 187 | | var props = GetCommonProps(entry); |
| | 188 | |
|
| | 189 | | var uacFlags = (UacFlags)0; |
| | 190 | | if (entry.TryGetLongProperty(LDAPProperties.UserAccountControl, out var uac)) { |
| | 191 | | uacFlags = (UacFlags)uac; |
| | 192 | | } |
| | 193 | |
|
| | 194 | | props.Add("sensitive", uacFlags.HasFlag(UacFlags.NotDelegated)); |
| | 195 | | props.Add("dontreqpreauth", uacFlags.HasFlag(UacFlags.DontReqPreauth)); |
| | 196 | | props.Add("passwordnotreqd", uacFlags.HasFlag(UacFlags.PasswordNotRequired)); |
| | 197 | | props.Add("unconstraineddelegation", uacFlags.HasFlag(UacFlags.TrustedForDelegation)); |
| | 198 | | props.Add("pwdneverexpires", uacFlags.HasFlag(UacFlags.DontExpirePassword)); |
| | 199 | | props.Add("enabled", !uacFlags.HasFlag(UacFlags.AccountDisable)); |
| | 200 | | props.Add("trustedtoauth", uacFlags.HasFlag(UacFlags.TrustedToAuthForDelegation)); |
| | 201 | | props.Add("smartcardrequired", uacFlags.HasFlag(UacFlags.SmartcardRequired)); |
| | 202 | | props.Add("encryptedtextpwdallowed", uacFlags.HasFlag(UacFlags.EncryptedTextPwdAllowed)); |
| | 203 | | props.Add("usedeskeyonly", uacFlags.HasFlag(UacFlags.UseDesKeyOnly)); |
| | 204 | | props.Add("logonscriptenabled", uacFlags.HasFlag(UacFlags.Script)); |
| | 205 | | props.Add("lockedout", uacFlags.HasFlag(UacFlags.Lockout)); |
| | 206 | | props.Add("passwordcantchange", uacFlags.HasFlag(UacFlags.PasswordCantChange)); |
| | 207 | | props.Add("passwordexpired", uacFlags.HasFlag(UacFlags.PasswordExpired)); |
| | 208 | |
|
| | 209 | | userProps.UnconstrainedDelegation = uacFlags.HasFlag(UacFlags.TrustedForDelegation); |
| | 210 | |
|
| | 211 | | var comps = new List<TypedPrincipal>(); |
| | 212 | | if (uacFlags.HasFlag(UacFlags.TrustedToAuthForDelegation) && |
| | 213 | | entry.TryGetArrayProperty(LDAPProperties.AllowedToDelegateTo, out var delegates)) { |
| | 214 | | props.Add("allowedtodelegate", delegates); |
| | 215 | |
|
| | 216 | | foreach (var d in delegates) { |
| | 217 | | if (d == null) |
| | 218 | | continue; |
| | 219 | |
|
| | 220 | | var resolvedHost = await _utils.ResolveHostToSid(d, domain); |
| | 221 | | if (resolvedHost.Success && resolvedHost.SecurityIdentifier.Contains("S-1")) |
| | 222 | | comps.Add(new TypedPrincipal { |
| | 223 | | ObjectIdentifier = resolvedHost.SecurityIdentifier, |
| | 224 | | ObjectType = Label.Computer |
| | 225 | | }); |
| | 226 | | } |
| | 227 | | } |
| | 228 | |
|
| | 229 | | userProps.AllowedToDelegate = comps.Distinct().ToArray(); |
| | 230 | |
|
| | 231 | | if (!entry.TryGetProperty(LDAPProperties.LastLogon, out var lastLogon)) { |
| | 232 | | lastLogon = null; |
| | 233 | | } |
| | 234 | |
|
| | 235 | | props.Add("lastlogon", Helpers.ConvertFileTimeToUnixEpoch(lastLogon)); |
| | 236 | |
|
| | 237 | | if (!entry.TryGetProperty(LDAPProperties.LastLogonTimestamp, out var lastLogonTimeStamp)) { |
| | 238 | | lastLogonTimeStamp = null; |
| | 239 | | } |
| | 240 | |
|
| | 241 | | props.Add("lastlogontimestamp", Helpers.ConvertFileTimeToUnixEpoch(lastLogonTimeStamp)); |
| | 242 | |
|
| | 243 | | if (!entry.TryGetProperty(LDAPProperties.PasswordLastSet, out var passwordLastSet)) { |
| | 244 | | passwordLastSet = null; |
| | 245 | | } |
| | 246 | |
|
| | 247 | | props.Add("pwdlastset", |
| | 248 | | Helpers.ConvertFileTimeToUnixEpoch(passwordLastSet)); |
| | 249 | | entry.TryGetArrayProperty(LDAPProperties.ServicePrincipalNames, out var spn); |
| | 250 | | props.Add("serviceprincipalnames", spn); |
| | 251 | | props.Add("hasspn", spn.Length > 0); |
| | 252 | | props.Add("displayname", entry.GetProperty(LDAPProperties.DisplayName)); |
| | 253 | | props.Add("email", entry.GetProperty(LDAPProperties.Email)); |
| | 254 | | props.Add("title", entry.GetProperty(LDAPProperties.Title)); |
| | 255 | | props.Add("homedirectory", entry.GetProperty(LDAPProperties.HomeDirectory)); |
| | 256 | | props.Add("userpassword", entry.GetProperty(LDAPProperties.UserPassword)); |
| | 257 | | props.Add("unixpassword", entry.GetProperty(LDAPProperties.UnixUserPassword)); |
| | 258 | | props.Add("unicodepassword", entry.GetProperty(LDAPProperties.UnicodePassword)); |
| | 259 | | props.Add("sfupassword", entry.GetProperty(LDAPProperties.MsSFU30Password)); |
| | 260 | | props.Add("logonscript", entry.GetProperty(LDAPProperties.ScriptPath)); |
| | 261 | | props.Add("useraccountcontrol", uac); |
| | 262 | | props.Add("profilepath", entry.GetProperty(LDAPProperties.ProfilePath)); |
| | 263 | |
|
| | 264 | | entry.TryGetLongProperty(LDAPProperties.AdminCount, out var ac); |
| | 265 | | props.Add("admincount", ac != 0); |
| | 266 | |
|
| | 267 | | var encryptionTypes = ConvertEncryptionTypes(entry.GetProperty(LDAPProperties.SupportedEncryptionTypes)); |
| | 268 | | props.Add("supportedencryptiontypes", encryptionTypes); |
| | 269 | |
|
| | 270 | | entry.TryGetByteArrayProperty(LDAPProperties.SIDHistory, out var sh); |
| | 271 | | var sidHistoryList = new List<string>(); |
| | 272 | | var sidHistoryPrincipals = new List<TypedPrincipal>(); |
| | 273 | | foreach (var sid in sh) { |
| | 274 | | string sSid; |
| | 275 | | try { |
| | 276 | | sSid = new SecurityIdentifier(sid, 0).Value; |
| | 277 | | } catch { |
| | 278 | | continue; |
| | 279 | | } |
| | 280 | |
|
| | 281 | | sidHistoryList.Add(sSid); |
| | 282 | |
|
| | 283 | | if (await _utils.ResolveIDAndType(sSid, domain) is (true, var res)) |
| | 284 | | sidHistoryPrincipals.Add(res); |
| | 285 | | } |
| | 286 | |
|
| | 287 | | userProps.SidHistory = sidHistoryPrincipals.Distinct().ToArray(); |
| | 288 | |
|
| | 289 | | props.Add("sidhistory", sidHistoryList.ToArray()); |
| | 290 | |
|
| | 291 | | userProps.Props = props; |
| | 292 | |
|
| | 293 | | return userProps; |
| | 294 | | } |
| | 295 | |
|
| | 296 | | public Task<ComputerProperties> ReadComputerProperties(IDirectoryObject entry, |
| | 297 | | ResolvedSearchResult searchResult) { |
| | 298 | | return ReadComputerProperties(entry, searchResult.Domain); |
| | 299 | | } |
| | 300 | |
|
| | 301 | | /// <summary> |
| | 302 | | /// Reads specific LDAP properties related to Computers |
| | 303 | | /// </summary> |
| | 304 | | /// <param name="entry"></param> |
| | 305 | | /// <param name="domain"></param> |
| | 306 | | /// <returns></returns> |
| | 307 | | public async Task<ComputerProperties> ReadComputerProperties(IDirectoryObject entry, string domain) { |
| | 308 | | var compProps = new ComputerProperties(); |
| | 309 | | var props = GetCommonProps(entry); |
| | 310 | |
|
| | 311 | | var flags = (UacFlags)0; |
| | 312 | | if (entry.TryGetLongProperty(LDAPProperties.UserAccountControl, out var uac)) { |
| | 313 | | flags = (UacFlags)uac; |
| | 314 | | } |
| | 315 | |
|
| | 316 | | props.Add("enabled", !flags.HasFlag(UacFlags.AccountDisable)); |
| | 317 | | props.Add("unconstraineddelegation", flags.HasFlag(UacFlags.TrustedForDelegation)); |
| | 318 | | props.Add("trustedtoauth", flags.HasFlag(UacFlags.TrustedToAuthForDelegation)); |
| | 319 | | props.Add("isdc", flags.HasFlag(UacFlags.ServerTrustAccount)); |
| | 320 | | props.Add("encryptedtextpwdallowed", flags.HasFlag(UacFlags.EncryptedTextPwdAllowed)); |
| | 321 | | props.Add("usedeskeyonly", flags.HasFlag(UacFlags.UseDesKeyOnly)); |
| | 322 | | props.Add("logonscriptenabled", flags.HasFlag(UacFlags.Script)); |
| | 323 | | props.Add("lockedout", flags.HasFlag(UacFlags.Lockout)); |
| | 324 | | props.Add("passwordexpired", flags.HasFlag(UacFlags.PasswordExpired)); |
| | 325 | |
|
| | 326 | | compProps.UnconstrainedDelegation = flags.HasFlag(UacFlags.TrustedForDelegation); |
| | 327 | |
|
| | 328 | | var encryptionTypes = ConvertEncryptionTypes(entry.GetProperty(LDAPProperties.SupportedEncryptionTypes)); |
| | 329 | | props.Add("supportedencryptiontypes", encryptionTypes); |
| | 330 | |
|
| | 331 | | var comps = new List<TypedPrincipal>(); |
| | 332 | | if (flags.HasFlag(UacFlags.TrustedToAuthForDelegation) && |
| | 333 | | entry.TryGetArrayProperty(LDAPProperties.AllowedToDelegateTo, out var delegates)) { |
| | 334 | | props.Add("allowedtodelegate", delegates); |
| | 335 | |
|
| | 336 | | foreach (var d in delegates) { |
| | 337 | | if (d == null) |
| | 338 | | continue; |
| | 339 | |
|
| | 340 | | var resolvedHost = await _utils.ResolveHostToSid(d, domain); |
| | 341 | | if (resolvedHost.Success && resolvedHost.SecurityIdentifier.Contains("S-1")) |
| | 342 | | comps.Add(new TypedPrincipal { |
| | 343 | | ObjectIdentifier = resolvedHost.SecurityIdentifier, |
| | 344 | | ObjectType = Label.Computer |
| | 345 | | }); |
| | 346 | | } |
| | 347 | | } |
| | 348 | |
|
| | 349 | | compProps.AllowedToDelegate = comps.Distinct().ToArray(); |
| | 350 | |
|
| | 351 | | var allowedToActPrincipals = new List<TypedPrincipal>(); |
| | 352 | | if (entry.TryGetByteProperty(LDAPProperties.AllowedToActOnBehalfOfOtherIdentity, out var rawAllowedToAct)) { |
| | 353 | | var sd = _utils.MakeSecurityDescriptor(); |
| | 354 | | sd.SetSecurityDescriptorBinaryForm(rawAllowedToAct, AccessControlSections.Access); |
| | 355 | | foreach (var rule in sd.GetAccessRules(true, true, typeof(SecurityIdentifier))) { |
| | 356 | | if (await _utils.ResolveIDAndType(rule.IdentityReference(), domain) is (true, var res)) |
| | 357 | | allowedToActPrincipals.Add(res); |
| | 358 | | } |
| | 359 | | } |
| | 360 | |
|
| | 361 | | compProps.AllowedToAct = allowedToActPrincipals.ToArray(); |
| | 362 | |
|
| | 363 | | props.Add("lastlogon", Helpers.ConvertFileTimeToUnixEpoch(entry.GetProperty(LDAPProperties.LastLogon))); |
| | 364 | | props.Add("lastlogontimestamp", |
| | 365 | | Helpers.ConvertFileTimeToUnixEpoch(entry.GetProperty(LDAPProperties.LastLogonTimestamp))); |
| | 366 | | props.Add("pwdlastset", |
| | 367 | | Helpers.ConvertFileTimeToUnixEpoch(entry.GetProperty(LDAPProperties.PasswordLastSet))); |
| | 368 | | entry.TryGetArrayProperty(LDAPProperties.ServicePrincipalNames, out var spn); |
| | 369 | | props.Add("serviceprincipalnames", spn); |
| | 370 | | props.Add("email", entry.GetProperty(LDAPProperties.Email)); |
| | 371 | | props.Add("useraccountcontrol", uac); |
| | 372 | | var os = entry.GetProperty(LDAPProperties.OperatingSystem); |
| | 373 | | var sp = entry.GetProperty(LDAPProperties.ServicePack); |
| | 374 | |
|
| | 375 | | if (sp != null) os = $"{os} {sp}"; |
| | 376 | |
|
| | 377 | | props.Add("operatingsystem", os); |
| | 378 | |
|
| | 379 | | entry.TryGetByteArrayProperty(LDAPProperties.SIDHistory, out var sh); |
| | 380 | | var sidHistoryList = new List<string>(); |
| | 381 | | var sidHistoryPrincipals = new List<TypedPrincipal>(); |
| | 382 | | foreach (var sid in sh) { |
| | 383 | | string sSid; |
| | 384 | | try { |
| | 385 | | sSid = new SecurityIdentifier(sid, 0).Value; |
| | 386 | | } catch { |
| | 387 | | continue; |
| | 388 | | } |
| | 389 | |
|
| | 390 | | sidHistoryList.Add(sSid); |
| | 391 | |
|
| | 392 | | if (await _utils.ResolveIDAndType(sSid, domain) is (true, var res)) |
| | 393 | | sidHistoryPrincipals.Add(res); |
| | 394 | | } |
| | 395 | |
|
| | 396 | | compProps.SidHistory = sidHistoryPrincipals.ToArray(); |
| | 397 | |
|
| | 398 | | props.Add("sidhistory", sidHistoryList.ToArray()); |
| | 399 | |
|
| | 400 | | var smsaPrincipals = new List<TypedPrincipal>(); |
| | 401 | | if (entry.TryGetArrayProperty(LDAPProperties.HostServiceAccount, out var hsa)) { |
| | 402 | | foreach (var dn in hsa) { |
| | 403 | | if (await _utils.ResolveDistinguishedName(dn) is (true, var resolvedPrincipal)) |
| | 404 | | smsaPrincipals.Add(resolvedPrincipal); |
| | 405 | | } |
| | 406 | | } |
| | 407 | |
|
| | 408 | | compProps.DumpSMSAPassword = smsaPrincipals.ToArray(); |
| | 409 | |
|
| | 410 | | compProps.Props = props; |
| | 411 | |
|
| | 412 | | return compProps; |
| | 413 | | } |
| | 414 | |
|
| | 415 | | /// <summary> |
| | 416 | | /// Returns the properties associated with the RootCA |
| | 417 | | /// </summary> |
| | 418 | | /// <param name="entry"></param> |
| | 419 | | /// <returns>Returns a dictionary with the common properties of the RootCA</returns> |
| | 420 | | public static Dictionary<string, object> ReadRootCAProperties(IDirectoryObject entry) { |
| | 421 | | var props = GetCommonProps(entry); |
| | 422 | |
|
| | 423 | | // Certificate |
| | 424 | | if (entry.TryGetByteProperty(LDAPProperties.CACertificate, out var rawCertificate)) { |
| | 425 | | var cert = new ParsedCertificate(rawCertificate); |
| | 426 | | props.Add("certthumbprint", cert.Thumbprint); |
| | 427 | | props.Add("certname", cert.Name); |
| | 428 | | props.Add("certchain", cert.Chain); |
| | 429 | | props.Add("hasbasicconstraints", cert.HasBasicConstraints); |
| | 430 | | props.Add("basicconstraintpathlength", cert.BasicConstraintPathLength); |
| | 431 | | } |
| | 432 | |
|
| | 433 | | return props; |
| | 434 | | } |
| | 435 | |
|
| | 436 | | /// <summary> |
| | 437 | | /// Returns the properties associated with the AIACA |
| | 438 | | /// </summary> |
| | 439 | | /// <param name="entry"></param> |
| | 440 | | /// <returns>Returns a dictionary with the common properties and the crosscertificatepair property of the AICA</ |
| | 441 | | public static Dictionary<string, object> ReadAIACAProperties(IDirectoryObject entry) { |
| | 442 | | var props = GetCommonProps(entry); |
| | 443 | | entry.TryGetByteArrayProperty(LDAPProperties.CrossCertificatePair, out var crossCertificatePair); |
| | 444 | | var hasCrossCertificatePair = crossCertificatePair.Length > 0; |
| | 445 | |
|
| | 446 | | props.Add("crosscertificatepair", crossCertificatePair); |
| | 447 | | props.Add("hascrosscertificatepair", hasCrossCertificatePair); |
| | 448 | |
|
| | 449 | | // Certificate |
| | 450 | | if (entry.TryGetByteProperty(LDAPProperties.CACertificate, out var rawCertificate)) { |
| | 451 | | var cert = new ParsedCertificate(rawCertificate); |
| | 452 | | props.Add("certthumbprint", cert.Thumbprint); |
| | 453 | | props.Add("certname", cert.Name); |
| | 454 | | props.Add("certchain", cert.Chain); |
| | 455 | | props.Add("hasbasicconstraints", cert.HasBasicConstraints); |
| | 456 | | props.Add("basicconstraintpathlength", cert.BasicConstraintPathLength); |
| | 457 | | } |
| | 458 | |
|
| | 459 | | return props; |
| | 460 | | } |
| | 461 | |
|
| | 462 | | public static Dictionary<string, object> ReadEnterpriseCAProperties(IDirectoryObject entry) { |
| | 463 | | var props = GetCommonProps(entry); |
| | 464 | | if (entry.TryGetLongProperty("flags", out var flags)) |
| | 465 | | props.Add("flags", (PKICertificateAuthorityFlags)flags); |
| | 466 | | props.Add("caname", entry.GetProperty(LDAPProperties.Name)); |
| | 467 | | props.Add("dnshostname", entry.GetProperty(LDAPProperties.DNSHostName)); |
| | 468 | |
|
| | 469 | | // Certificate |
| | 470 | | if (entry.TryGetByteProperty(LDAPProperties.CACertificate, out var rawCertificate)) { |
| | 471 | | var cert = new ParsedCertificate(rawCertificate); |
| | 472 | | props.Add("certthumbprint", cert.Thumbprint); |
| | 473 | | props.Add("certname", cert.Name); |
| | 474 | | props.Add("certchain", cert.Chain); |
| | 475 | | props.Add("hasbasicconstraints", cert.HasBasicConstraints); |
| | 476 | | props.Add("basicconstraintpathlength", cert.BasicConstraintPathLength); |
| | 477 | | } |
| | 478 | |
|
| | 479 | | return props; |
| | 480 | | } |
| | 481 | |
|
| | 482 | | /// <summary> |
| | 483 | | /// Returns the properties associated with the NTAuthStore. These properties will only contain common properties |
| | 484 | | /// </summary> |
| | 485 | | /// <param name="entry"></param> |
| | 486 | | /// <returns>Returns a dictionary with the common properties of the NTAuthStore</returns> |
| | 487 | | public static Dictionary<string, object> ReadNTAuthStoreProperties(IDirectoryObject entry) { |
| | 488 | | var props = GetCommonProps(entry); |
| | 489 | | return props; |
| | 490 | | } |
| | 491 | |
|
| | 492 | | /// <summary> |
| | 493 | | /// Reads specific LDAP properties related to CertTemplates |
| | 494 | | /// </summary> |
| | 495 | | /// <param name="entry"></param> |
| | 496 | | /// <returns>Returns a dictionary associated with the CertTemplate properties that were read</returns> |
| | 497 | | public static Dictionary<string, object> ReadCertTemplateProperties(IDirectoryObject entry) { |
| | 498 | | var props = GetCommonProps(entry); |
| | 499 | |
|
| | 500 | | props.Add("validityperiod", ConvertPKIPeriod(entry.GetByteProperty(LDAPProperties.PKIExpirationPeriod))); |
| | 501 | | props.Add("renewalperiod", ConvertPKIPeriod(entry.GetByteProperty(LDAPProperties.PKIOverlappedPeriod))); |
| | 502 | |
|
| | 503 | | if (entry.TryGetLongProperty(LDAPProperties.TemplateSchemaVersion, out var schemaVersion)) |
| | 504 | | props.Add("schemaversion", schemaVersion); |
| | 505 | |
|
| | 506 | | props.Add("displayname", entry.GetProperty(LDAPProperties.DisplayName)); |
| | 507 | | props.Add("oid", entry.GetProperty(LDAPProperties.CertTemplateOID)); |
| | 508 | |
|
| | 509 | | if (entry.TryGetLongProperty(LDAPProperties.PKIEnrollmentFlag, out var enrollmentFlagsRaw)) { |
| | 510 | | var enrollmentFlags = (PKIEnrollmentFlag)enrollmentFlagsRaw; |
| | 511 | |
|
| | 512 | | props.Add("enrollmentflag", enrollmentFlags); |
| | 513 | | props.Add("requiresmanagerapproval", enrollmentFlags.HasFlag(PKIEnrollmentFlag.PEND_ALL_REQUESTS)); |
| | 514 | | props.Add("nosecurityextension", enrollmentFlags.HasFlag(PKIEnrollmentFlag.NO_SECURITY_EXTENSION)); |
| | 515 | | } |
| | 516 | |
|
| | 517 | | if (entry.TryGetLongProperty(LDAPProperties.PKINameFlag, out var nameFlagsRaw)) { |
| | 518 | | var nameFlags = (PKICertificateNameFlag)nameFlagsRaw; |
| | 519 | |
|
| | 520 | | props.Add("certificatenameflag", nameFlags); |
| | 521 | | props.Add("enrolleesuppliessubject", |
| | 522 | | nameFlags.HasFlag(PKICertificateNameFlag.ENROLLEE_SUPPLIES_SUBJECT)); |
| | 523 | | props.Add("subjectaltrequireupn", |
| | 524 | | nameFlags.HasFlag(PKICertificateNameFlag.SUBJECT_ALT_REQUIRE_UPN)); |
| | 525 | | props.Add("subjectaltrequiredns", |
| | 526 | | nameFlags.HasFlag(PKICertificateNameFlag.SUBJECT_ALT_REQUIRE_DNS)); |
| | 527 | | props.Add("subjectaltrequiredomaindns", |
| | 528 | | nameFlags.HasFlag(PKICertificateNameFlag.SUBJECT_ALT_REQUIRE_DOMAIN_DNS)); |
| | 529 | | props.Add("subjectaltrequireemail", |
| | 530 | | nameFlags.HasFlag(PKICertificateNameFlag.SUBJECT_ALT_REQUIRE_EMAIL)); |
| | 531 | | props.Add("subjectaltrequirespn", |
| | 532 | | nameFlags.HasFlag(PKICertificateNameFlag.SUBJECT_ALT_REQUIRE_SPN)); |
| | 533 | | props.Add("subjectrequireemail", |
| | 534 | | nameFlags.HasFlag(PKICertificateNameFlag.SUBJECT_REQUIRE_EMAIL)); |
| | 535 | | } |
| | 536 | |
|
| | 537 | | entry.TryGetArrayProperty(LDAPProperties.ExtendedKeyUsage, out var ekus); |
| | 538 | | props.Add("ekus", ekus); |
| | 539 | | entry.TryGetArrayProperty(LDAPProperties.CertificateApplicationPolicy, |
| | 540 | | out var certificateApplicationPolicy); |
| | 541 | | props.Add("certificateapplicationpolicy", certificateApplicationPolicy); |
| | 542 | |
|
| | 543 | | entry.TryGetArrayProperty(LDAPProperties.CertificatePolicy, out var certificatePolicy); |
| | 544 | | props.Add("certificatepolicy", certificatePolicy); |
| | 545 | |
|
| | 546 | | if (entry.TryGetLongProperty(LDAPProperties.NumSignaturesRequired, out var authorizedSignatures)) |
| | 547 | | props.Add("authorizedsignatures", authorizedSignatures); |
| | 548 | |
|
| | 549 | | var hasUseLegacyProvider = false; |
| | 550 | | if (entry.TryGetLongProperty(LDAPProperties.PKIPrivateKeyFlag, out var privateKeyFlagsRaw)) { |
| | 551 | | var privateKeyFlags = (PKIPrivateKeyFlag)privateKeyFlagsRaw; |
| | 552 | | hasUseLegacyProvider = privateKeyFlags.HasFlag(PKIPrivateKeyFlag.USE_LEGACY_PROVIDER); |
| | 553 | | } |
| | 554 | |
|
| | 555 | | entry.TryGetArrayProperty(LDAPProperties.ApplicationPolicies, out var appPolicies); |
| | 556 | |
|
| | 557 | | props.Add("applicationpolicies", |
| | 558 | | ParseCertTemplateApplicationPolicies(appPolicies, |
| | 559 | | (int)schemaVersion, hasUseLegacyProvider)); |
| | 560 | | entry.TryGetArrayProperty(LDAPProperties.IssuancePolicies, out var issuancePolicies); |
| | 561 | | props.Add("issuancepolicies", issuancePolicies); |
| | 562 | |
|
| | 563 | | // Construct effectiveekus |
| | 564 | | var effectiveekus = schemaVersion == 1 & ekus.Length > 0 ? ekus : certificateApplicationPolicy; |
| | 565 | | props.Add("effectiveekus", effectiveekus); |
| | 566 | |
|
| | 567 | | // Construct authenticationenabled |
| | 568 | | var authenticationEnabled = |
| | 569 | | effectiveekus.Intersect(Helpers.AuthenticationOIDs).Any() | effectiveekus.Length == 0; |
| | 570 | | props.Add("authenticationenabled", authenticationEnabled); |
| | 571 | |
|
| | 572 | | // Construct schannelauthenticationenabled |
| | 573 | | var schannelAuthenticationEnabled = |
| | 574 | | effectiveekus.Intersect(Helpers.SchannelAuthenticationOIDs).Any() | effectiveekus.Length == 0; |
| | 575 | | props.Add("schannelauthenticationenabled", schannelAuthenticationEnabled); |
| | 576 | |
|
| | 577 | | return props; |
| | 578 | | } |
| | 579 | |
|
| | 580 | | public async Task<IssuancePolicyProperties> ReadIssuancePolicyProperties(IDirectoryObject entry) { |
| | 581 | | var ret = new IssuancePolicyProperties(); |
| | 582 | | var props = GetCommonProps(entry); |
| | 583 | | props.Add("displayname", entry.GetProperty(LDAPProperties.DisplayName)); |
| | 584 | | props.Add("certtemplateoid", entry.GetProperty(LDAPProperties.CertTemplateOID)); |
| | 585 | |
|
| | 586 | | if (entry.TryGetProperty(LDAPProperties.OIDGroupLink, out var link)) { |
| | 587 | | if (await _utils.ResolveDistinguishedName(link) is (true, var linkedGroup)) { |
| | 588 | | props.Add("oidgrouplink", linkedGroup.ObjectIdentifier); |
| | 589 | | ret.GroupLink = linkedGroup; |
| | 590 | | } |
| | 591 | | } |
| | 592 | |
|
| | 593 | | ret.Props = props; |
| | 594 | | return ret; |
| | 595 | | } |
| | 596 | |
|
| | 597 | | /// <summary> |
| | 598 | | /// Attempts to parse all LDAP attributes outside of the ones already collected and converts them to a human |
| | 599 | | /// format using a best guess |
| | 600 | | /// </summary> |
| | 601 | | /// <param name="entry"></param> |
| | 602 | | public Dictionary<string, object> ParseAllProperties(IDirectoryObject entry) { |
| | 603 | | var props = new Dictionary<string, object>(); |
| | 604 | |
|
| | 605 | | foreach (var property in entry.PropertyNames()) { |
| | 606 | | if (ReservedAttributes.Contains(property, StringComparer.OrdinalIgnoreCase)) |
| | 607 | | continue; |
| | 608 | |
|
| | 609 | | var collCount = entry.PropertyCount(property); |
| | 610 | | if (collCount == 0) |
| | 611 | | continue; |
| | 612 | |
|
| | 613 | | if (collCount == 1) { |
| | 614 | | var testString = entry.GetProperty(property); |
| | 615 | | if (!string.IsNullOrEmpty(testString)) { |
| | 616 | | if (property.Equals("badpasswordtime", StringComparison.OrdinalIgnoreCase)) |
| | 617 | | props.Add(property, Helpers.ConvertFileTimeToUnixEpoch(testString)); |
| | 618 | | else |
| | 619 | | props.Add(property, BestGuessConvert(testString)); |
| | 620 | | } |
| | 621 | | } else { |
| | 622 | | if (entry.TryGetByteProperty(property, out var testBytes)) { |
| | 623 | | if (testBytes == null || testBytes.Length == 0) { |
| | 624 | | continue; |
| | 625 | | } |
| | 626 | |
|
| | 627 | | // SIDs |
| | 628 | | try { |
| | 629 | | var sid = new SecurityIdentifier(testBytes, 0); |
| | 630 | | props.Add(property, sid.Value); |
| | 631 | | continue; |
| | 632 | | } catch { |
| | 633 | | /* Ignore */ |
| | 634 | | } |
| | 635 | |
|
| | 636 | | // GUIDs |
| | 637 | | try { |
| | 638 | | var guid = new Guid(testBytes); |
| | 639 | | props.Add(property, guid.ToString()); |
| | 640 | | continue; |
| | 641 | | } catch { |
| | 642 | | /* Ignore */ |
| | 643 | | } |
| | 644 | | } |
| | 645 | |
|
| | 646 | | if (entry.TryGetArrayProperty(property, out var arr) && arr.Length > 0) { |
| | 647 | | props.Add(property, arr.Select(BestGuessConvert).ToArray()); |
| | 648 | | } |
| | 649 | | } |
| | 650 | | } |
| | 651 | |
|
| | 652 | | return props; |
| | 653 | | } |
| | 654 | |
|
| | 655 | | /// <summary> |
| | 656 | | /// Parse CertTemplate attribute msPKI-RA-Application-Policies |
| | 657 | | /// </summary> |
| | 658 | | /// <param name="applicationPolicies"></param> |
| | 659 | | /// <param name="schemaVersion"></param> |
| | 660 | | /// <param name="hasUseLegacyProvider"></param> |
| | 661 | | private static string[] ParseCertTemplateApplicationPolicies(string[] applicationPolicies, int schemaVersion, |
| | 662 | | bool hasUseLegacyProvider) { |
| | 663 | | if (applicationPolicies == null |
| | 664 | | || applicationPolicies.Length == 0 |
| | 665 | | || schemaVersion == 1 |
| | 666 | | || schemaVersion == 2 |
| | 667 | | || (schemaVersion == 4 && hasUseLegacyProvider)) { |
| | 668 | | return applicationPolicies; |
| | 669 | | } else { |
| | 670 | | // Format: "Name`Type`Value`Name`Type`Value`..." |
| | 671 | | // (https://learn.microsoft.com/en-us/openspecs/windows_protocols/ms-crtd/c55ec697-be3f-4117-8316-8895e4 |
| | 672 | | // Return the Value of Name = "msPKI-RA-Application-Policies" entries |
| | 673 | | var entries = applicationPolicies[0].Split('`'); |
| | 674 | | return Enumerable.Range(0, entries.Length / 3) |
| | 675 | | .Select(i => entries.Skip(i * 3).Take(3).ToArray()) |
| | 676 | | .Where(parts => parts.Length == 3 && parts[0].Equals(LDAPProperties.ApplicationPolicies, |
| | 677 | | StringComparison.OrdinalIgnoreCase)) |
| | 678 | | .Select(parts => parts[2]) |
| | 679 | | .ToArray(); |
| | 680 | | } |
| | 681 | | } |
| | 682 | |
|
| | 683 | | /// <summary> |
| | 684 | | /// Does a best guess conversion of the property to a type useable by the UI |
| | 685 | | /// </summary> |
| | 686 | | /// <param name="value"></param> |
| | 687 | | /// <returns></returns> |
| | 688 | | private static object BestGuessConvert(string value) { |
| | 689 | | //Parse boolean values |
| | 690 | | if (bool.TryParse(value, out var boolResult)) return boolResult; |
| | 691 | |
|
| | 692 | | //A string ending with 0Z is likely a timestamp |
| | 693 | | if (value.EndsWith("0Z")) return Helpers.ConvertTimestampToUnixEpoch(value); |
| | 694 | |
|
| | 695 | | //This string corresponds to the max int, and is usually set in accountexpires |
| | 696 | | if (value == "9223372036854775807") return -1; |
| | 697 | |
|
| | 698 | | //Try parsing as an int |
| | 699 | | if (int.TryParse(value, out var num)) return num; |
| | 700 | |
|
| | 701 | | // If we have binary unicode, encode it |
| | 702 | | foreach (char c in value) { |
| | 703 | | if (char.IsControl(c)) return System.Text.Encoding.UTF8.GetBytes(value); |
| | 704 | | } |
| | 705 | |
|
| | 706 | | //Just return the property as a string |
| | 707 | | return value; |
| | 708 | | } |
| | 709 | |
|
| | 710 | | private static List<string> ConvertEncryptionTypes(string encryptionTypes) |
| | 711 | | { |
| | 712 | | if (encryptionTypes == null) { |
| | 713 | | return null; |
| | 714 | | } |
| | 715 | |
|
| | 716 | | int encryptionTypesInt = Int32.Parse(encryptionTypes); |
| | 717 | | List<string> supportedEncryptionTypes = new List<string>(); |
| | 718 | | if (encryptionTypesInt == 0) { |
| | 719 | | supportedEncryptionTypes.Add("Not defined"); |
| | 720 | | } |
| | 721 | |
|
| | 722 | | if ((encryptionTypesInt & KerberosEncryptionTypes.DES_CBC_CRC) == KerberosEncryptionTypes.DES_CBC_CRC) |
| | 723 | | { |
| | 724 | | supportedEncryptionTypes.Add("DES-CBC-CRC"); |
| | 725 | | } |
| | 726 | | if ((encryptionTypesInt & KerberosEncryptionTypes.DES_CBC_MD5) == KerberosEncryptionTypes.DES_CBC_MD5) |
| | 727 | | { |
| | 728 | | supportedEncryptionTypes.Add("DES-CBC-MD5"); |
| | 729 | | } |
| | 730 | | if ((encryptionTypesInt & KerberosEncryptionTypes.RC4_HMAC_MD5) == KerberosEncryptionTypes.RC4_HMAC_MD5) |
| | 731 | | { |
| | 732 | | supportedEncryptionTypes.Add("RC4-HMAC-MD5"); |
| | 733 | | } |
| | 734 | | if ((encryptionTypesInt & KerberosEncryptionTypes.AES128_CTS_HMAC_SHA1_96) == KerberosEncryptionTypes.AES128 |
| | 735 | | { |
| | 736 | | supportedEncryptionTypes.Add("AES128-CTS-HMAC-SHA1-96"); |
| | 737 | | } |
| | 738 | | if ((encryptionTypesInt & KerberosEncryptionTypes.AES256_CTS_HMAC_SHA1_96) == KerberosEncryptionTypes.AES256 |
| | 739 | | { |
| | 740 | | supportedEncryptionTypes.Add("AES256-CTS-HMAC-SHA1-96"); |
| | 741 | | } |
| | 742 | |
|
| | 743 | | return supportedEncryptionTypes; |
| | 744 | | } |
| | 745 | |
|
| | 746 | | private static string ConvertNanoDuration(long duration) |
| | 747 | | { |
| | 748 | | // In case duration is long.MinValue, Math.Abs will overflow. Value represents Forever or Never |
| | 749 | | if (duration == long.MinValue) { |
| | 750 | | return "Forever"; |
| | 751 | | // And if the value is positive, it indicates an error code |
| | 752 | | } else if (duration > 0) { |
| | 753 | | return null; |
| | 754 | | } |
| | 755 | |
|
| | 756 | | // duration is in 100-nanosecond intervals |
| | 757 | | // Convert it to TimeSpan (which uses 1 tick = 100 nanoseconds) |
| | 758 | | TimeSpan durationSpan = TimeSpan.FromTicks(Math.Abs(duration)); |
| | 759 | |
|
| | 760 | | // Create a list to hold non-zero time components |
| | 761 | | List<string> timeComponents = new List<string>(); |
| | 762 | |
|
| | 763 | | // Add each time component if it's greater than zero |
| | 764 | | if (durationSpan.Days > 0) |
| | 765 | | { |
| | 766 | | timeComponents.Add($"{durationSpan.Days} {(durationSpan.Days == 1 ? "day" : "days")}"); |
| | 767 | | } |
| | 768 | | if (durationSpan.Hours > 0) |
| | 769 | | { |
| | 770 | | timeComponents.Add($"{durationSpan.Hours} {(durationSpan.Hours == 1 ? "hour" : "hours")}"); |
| | 771 | | } |
| | 772 | | if (durationSpan.Minutes > 0) |
| | 773 | | { |
| | 774 | | timeComponents.Add($"{durationSpan.Minutes} {(durationSpan.Minutes == 1 ? "minute" : "minutes")}"); |
| | 775 | | } |
| | 776 | | if (durationSpan.Seconds > 0) |
| | 777 | | { |
| | 778 | | timeComponents.Add($"{durationSpan.Seconds} {(durationSpan.Seconds == 1 ? "second" : "seconds")}"); |
| | 779 | | } |
| | 780 | |
|
| | 781 | | // Join the non-zero components into a single readable string |
| | 782 | | string readableDuration = string.Join(", ", timeComponents); |
| | 783 | |
|
| | 784 | | return readableDuration; |
| | 785 | | } |
| | 786 | |
|
| | 787 | | /// <summary> |
| | 788 | | /// Converts PKIExpirationPeriod/PKIOverlappedPeriod attributes to time approximate times |
| | 789 | | /// </summary> |
| | 790 | | /// <remarks>https://www.sysadmins.lv/blog-en/how-to-convert-pkiexirationperiod-and-pkioverlapperiod-active-dire |
| | 791 | | /// <param name="bytes"></param> |
| | 792 | | /// <returns>Returns a string representing the time period associated with the input byte array in a human reada |
| | 793 | | private static string ConvertPKIPeriod(byte[] bytes) { |
| | 794 | | if (bytes == null || bytes.Length == 0) |
| | 795 | | return "Unknown"; |
| | 796 | |
|
| | 797 | | try { |
| | 798 | | Array.Reverse(bytes); |
| | 799 | | var temp = BitConverter.ToString(bytes).Replace("-", ""); |
| | 800 | | var value = Convert.ToInt64(temp, 16) * -.0000001; |
| | 801 | |
|
| | 802 | | if (value % 31536000 == 0 && value / 31536000 >= 1) { |
| | 803 | | if (value / 31536000 == 1) return "1 year"; |
| | 804 | |
|
| | 805 | | return $"{value / 31536000} years"; |
| | 806 | | } |
| | 807 | |
|
| | 808 | | if (value % 2592000 == 0 && value / 2592000 >= 1) { |
| | 809 | | if (value / 2592000 == 1) return "1 month"; |
| | 810 | |
|
| | 811 | | return $"{value / 2592000} months"; |
| | 812 | | } |
| | 813 | |
|
| | 814 | | if (value % 604800 == 0 && value / 604800 >= 1) { |
| | 815 | | if (value / 604800 == 1) return "1 week"; |
| | 816 | |
|
| | 817 | | return $"{value / 604800} weeks"; |
| | 818 | | } |
| | 819 | |
|
| | 820 | | if (value % 86400 == 0 && value / 86400 >= 1) { |
| | 821 | | if (value / 86400 == 1) return "1 day"; |
| | 822 | |
|
| | 823 | | return $"{value / 86400} days"; |
| | 824 | | } |
| | 825 | |
|
| | 826 | | if (value % 3600 == 0 && value / 3600 >= 1) { |
| | 827 | | if (value / 3600 == 1) return "1 hour"; |
| | 828 | |
|
| | 829 | | return $"{value / 3600} hours"; |
| | 830 | | } |
| | 831 | |
|
| | 832 | | return ""; |
| | 833 | | } catch (Exception) { |
| | 834 | | return "Unknown"; |
| | 835 | | } |
| | 836 | | } |
| | 837 | |
|
| | 838 | | [DllImport("Advapi32", SetLastError = false)] |
| | 839 | | private static extern bool IsTextUnicode(byte[] buf, int len, ref IsTextUnicodeFlags opt); |
| | 840 | |
|
| | 841 | | [Flags] |
| | 842 | | [SuppressMessage("ReSharper", "UnusedMember.Local")] |
| | 843 | | [SuppressMessage("ReSharper", "InconsistentNaming")] |
| | 844 | | private enum IsTextUnicodeFlags { |
| | 845 | | IS_TEXT_UNICODE_ASCII16 = 0x0001, |
| | 846 | | IS_TEXT_UNICODE_REVERSE_ASCII16 = 0x0010, |
| | 847 | |
|
| | 848 | | IS_TEXT_UNICODE_STATISTICS = 0x0002, |
| | 849 | | IS_TEXT_UNICODE_REVERSE_STATISTICS = 0x0020, |
| | 850 | |
|
| | 851 | | IS_TEXT_UNICODE_CONTROLS = 0x0004, |
| | 852 | | IS_TEXT_UNICODE_REVERSE_CONTROLS = 0x0040, |
| | 853 | |
|
| | 854 | | IS_TEXT_UNICODE_SIGNATURE = 0x0008, |
| | 855 | | IS_TEXT_UNICODE_REVERSE_SIGNATURE = 0x0080, |
| | 856 | |
|
| | 857 | | IS_TEXT_UNICODE_ILLEGAL_CHARS = 0x0100, |
| | 858 | | IS_TEXT_UNICODE_ODD_LENGTH = 0x0200, |
| | 859 | | IS_TEXT_UNICODE_DBCS_LEADBYTE = 0x0400, |
| | 860 | | IS_TEXT_UNICODE_NULL_BYTES = 0x1000, |
| | 861 | |
|
| | 862 | | IS_TEXT_UNICODE_UNICODE_MASK = 0x000F, |
| | 863 | | IS_TEXT_UNICODE_REVERSE_MASK = 0x00F0, |
| | 864 | | IS_TEXT_UNICODE_NOT_UNICODE_MASK = 0x0F00, |
| | 865 | | IS_TEXT_UNICODE_NOT_ASCII_MASK = 0xF000 |
| | 866 | | } |
| | 867 | | } |
| | 868 | |
|
| | 869 | | public class ParsedCertificate { |
| | 870 | | public string Thumbprint { get; set; } |
| | 871 | | public string Name { get; set; } |
| | 872 | | public string[] Chain { get; set; } |
| | 873 | | public bool HasBasicConstraints { get; set; } |
| | 874 | | public int BasicConstraintPathLength { get; set; } |
| | 875 | |
|
| | 876 | | public ParsedCertificate(byte[] rawCertificate) { |
| | 877 | | var parsedCertificate = new X509Certificate2(rawCertificate); |
| | 878 | | Thumbprint = parsedCertificate.Thumbprint; |
| | 879 | | var name = parsedCertificate.FriendlyName; |
| | 880 | | Name = string.IsNullOrEmpty(name) ? Thumbprint : name; |
| | 881 | |
|
| | 882 | | // Chain |
| | 883 | | try { |
| | 884 | | var chain = new X509Chain(); |
| | 885 | | chain.ChainPolicy.RevocationMode = X509RevocationMode.NoCheck; |
| | 886 | | chain.Build(parsedCertificate); |
| | 887 | | var temp = new List<string>(); |
| | 888 | | foreach (var cert in chain.ChainElements) temp.Add(cert.Certificate.Thumbprint); |
| | 889 | | Chain = temp.ToArray(); |
| | 890 | | } catch (Exception e) { |
| | 891 | | Logging.LogProvider.CreateLogger("ParsedCertificate").LogWarning(e, "Failed to read certificate chain fo |
| | 892 | | Chain = Array.Empty<string>(); |
| | 893 | | } |
| | 894 | |
|
| | 895 | |
|
| | 896 | | // Extensions |
| | 897 | | var extensions = parsedCertificate.Extensions; |
| | 898 | | foreach (var extension in extensions) { |
| | 899 | | var certificateExtension = new CertificateExtension(extension); |
| | 900 | | switch (certificateExtension.Oid.Value) { |
| | 901 | | case CAExtensionTypes.BasicConstraints: |
| | 902 | | var ext = (X509BasicConstraintsExtension)extension; |
| | 903 | | HasBasicConstraints = ext.HasPathLengthConstraint; |
| | 904 | | BasicConstraintPathLength = ext.PathLengthConstraint; |
| | 905 | | break; |
| | 906 | | } |
| | 907 | | } |
| | 908 | | } |
| | 909 | | } |
| | 910 | |
|
| | 911 | | public class UserProperties { |
| | 912 | | public Dictionary<string, object> Props { get; set; } = new(); |
| | 913 | | public TypedPrincipal[] AllowedToDelegate { get; set; } = Array.Empty<TypedPrincipal>(); |
| | 914 | | public TypedPrincipal[] SidHistory { get; set; } = Array.Empty<TypedPrincipal>(); |
| | 915 | | public bool UnconstrainedDelegation { get; set; } |
| | 916 | | } |
| | 917 | |
|
| | 918 | | public class ComputerProperties { |
| 8 | 919 | | public Dictionary<string, object> Props { get; set; } = new(); |
| 8 | 920 | | public TypedPrincipal[] AllowedToDelegate { get; set; } = Array.Empty<TypedPrincipal>(); |
| 6 | 921 | | public TypedPrincipal[] AllowedToAct { get; set; } = Array.Empty<TypedPrincipal>(); |
| 8 | 922 | | public TypedPrincipal[] SidHistory { get; set; } = Array.Empty<TypedPrincipal>(); |
| 7 | 923 | | public TypedPrincipal[] DumpSMSAPassword { get; set; } = Array.Empty<TypedPrincipal>(); |
| 3 | 924 | | public bool UnconstrainedDelegation { get; set; } |
| | 925 | | } |
| | 926 | |
|
| | 927 | | public class IssuancePolicyProperties { |
| | 928 | | public Dictionary<string, object> Props { get; set; } = new(); |
| | 929 | | public TypedPrincipal GroupLink { get; set; } = new TypedPrincipal(); |
| | 930 | | } |
| | 931 | | } |