从旧样式 (sAMAccountName) 用户名??创建
似乎没有办法在不涉及对 Active Directory 的查询的情况下转换用户名格式。由于是这种情况,因此无需创建
通过使用
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | var groupNames = new[] {"DOMAIN\\Domain Users","DOMAIN\\Group2" }; // the groups that we need to verify if the user is member of // cannot create WindowsIdentity because it requires username in form user@domain.com but the passed value will be DOMAIN\\user. using (var pc = new PrincipalContext(System.DirectoryServices.AccountManagement.ContextType.Domain, Environment.UserDomainName)) { using (var p = UserPrincipal.FindByIdentity(pc, accountName)) { // if the account does not exist or is not an user account if (p == null) return new string[0]; // if you need just the UPN of the user, you can use this ////return p.UserPrincipalName; // find all groups the user is member of (the check is recursive). // Guid != null check is intended to remove all built-in objects that are not really AD gorups. // the Sid.Translate method gets the DOMAIN\\Group name format. var userIsMemberOf = p.GetAuthorizationGroups().Where(o => o.Guid != null).Select(o => o.Sid.Translate(typeof(NTAccount)).ToString()); // use a HashSet to find the group the user is member of. var groups = new HashSet<string>(userIsMemberOf, StringComparer.OrdinalIgnoreCase); groups.IntersectWith(groupNames); return groups; } } |
这可以正常工作,但涉及对活动目录/SAM 存储的查询(取决于上下文)...
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | string userName) { using (var user = UserPrincipal.FindByIdentity( UserPrincipal.Current.Context, IdentityType.SamAccountName, userName ) ?? UserPrincipal.FindByIdentity( UserPrincipal.Current.Context, IdentityType.UserPrincipalName, userName )) { return user == null ? null : new WindowsIdentity(user.UserPrincipalName); } } |
我使用了 pinvoke.net 示例中的 DsCrackNames 并对其进行了修改,以将其从 nt4 名称转换为 UPN。它有点马虎,你可能想清理一下。为此,它也必须击中 DS。他们有 DS_NAME_FLAG_SYNTACTICAL_ONLY 标志,可用于不点击目录,但我认为这不会在这里工作。
2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 | { const uint NO_ERROR = 0; [DllImport("ntdsapi.dll", CharSet = CharSet.Auto)] static public extern uint DsCrackNames( IntPtr hDS, DS_NAME_FLAGS flags, DS_NAME_FORMAT formatOffered, DS_NAME_FORMAT formatDesired, uint cNames, string[] rpNames, out IntPtr ppResult // PDS_NAME_RESULT ); [DllImport("ntdsapi.dll", CharSet = CharSet.Auto)] static public extern void DsFreeNameResult(IntPtr pResult /* DS_NAME_RESULT* */); public enum DS_NAME_ERROR { DS_NAME_NO_ERROR = 0, // Generic processing error. DS_NAME_ERROR_RESOLVING = 1, // Couldn't find the name at all - or perhaps caller doesn't have // rights to see it. DS_NAME_ERROR_NOT_FOUND = 2, // Input name mapped to more than one output name. DS_NAME_ERROR_NOT_UNIQUE = 3, // Input name found, but not the associated output format. // Can happen if object doesn't have all the required attributes. DS_NAME_ERROR_NO_MAPPING = 4, // Unable to resolve entire name, but was able to determine which // domain object resides in. Thus DS_NAME_RESULT_ITEM?.pDomain // is valid on return. DS_NAME_ERROR_DOMAIN_ONLY = 5, // Unable to perform a purely syntactical mapping at the client // without going out on the wire. DS_NAME_ERROR_NO_SYNTACTICAL_MAPPING = 6, // The name is from an external trusted forest. DS_NAME_ERROR_TRUST_REFERRAL = 7 } [Flags] public enum DS_NAME_FLAGS { DS_NAME_NO_FLAGS = 0x0, // Perform a syntactical mapping at the client (if possible) without // going out on the wire. Returns DS_NAME_ERROR_NO_SYNTACTICAL_MAPPING // if a purely syntactical mapping is not possible. DS_NAME_FLAG_SYNTACTICAL_ONLY = 0x1, // Force a trip to the DC for evaluation, even if this could be // locally cracked syntactically. DS_NAME_FLAG_EVAL_AT_DC = 0x2, // The call fails if the DC is not a GC DS_NAME_FLAG_GCVERIFY = 0x4, // Enable cross forest trust referral DS_NAME_FLAG_TRUST_REFERRAL = 0x8 } public enum DS_NAME_FORMAT { // unknown name type DS_UNKNOWN_NAME = 0, // eg: CN=User Name,OU=Users,DC=Example,DC=Microsoft,DC=Com DS_FQDN_1779_NAME = 1, // eg: Example\\UserN // Domain-only version includes trailing '\\\'. DS_NT4_ACCOUNT_NAME = 2, // Probably"User Name" but could be something else. I.e. The // display name is not necessarily the defining RDN. DS_DISPLAY_NAME = 3, // obsolete - see #define later // DS_DOMAIN_SIMPLE_NAME = 4, // obsolete - see #define later // DS_ENTERPRISE_SIMPLE_NAME = 5, // String-ized GUID as returned by IIDFromString(). // eg: {4fa050f0-f561-11cf-bdd9-00aa003a77b6} DS_UNIQUE_ID_NAME = 6, // eg: example.microsoft.com/software/user name // Domain-only version includes trailing '/'. DS_CANONICAL_NAME = 7, // eg: usern@example.microsoft.com DS_USER_PRINCIPAL_NAME = 8, // Same as DS_CANONICAL_NAME except that rightmost '/' is // replaced with '\ ' - even in domain-only case. // eg: example.microsoft.com/software\ user name DS_CANONICAL_NAME_EX = 9, // eg: www/www.microsoft.com@example.com - generalized service principal // names. DS_SERVICE_PRINCIPAL_NAME = 10, // This is the string representation of a SID. Invalid for formatDesired. // See sddl.h for SID binary <--> text conversion routines. // eg: S-1-5-21-397955417-626881126-188441444-501 DS_SID_OR_SID_HISTORY_NAME = 11, // Pseudo-name format so GetUserNameEx can return the DNS domain name to // a caller. This level is not supported by the DS APIs. DS_DNS_DOMAIN_NAME = 12 } [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] public struct DS_NAME_RESULT_ITEM { public DS_NAME_ERROR status; public string pDomain; public string pName; } [DllImport("ntdsapi.dll", CharSet = CharSet.Auto)] static public extern uint DsBind( string DomainControllerName, // in, optional string DnsDomainName, // in, optional out IntPtr phDS); [DllImport("ntdsapi.dll", CharSet = CharSet.Auto)] static public extern uint DsUnBind(ref IntPtr phDS); [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] public struct DS_NAME_RESULT { public uint cItems; public IntPtr rItems; // PDS_NAME_RESULT_ITEM } [STAThread] static void Main(string[] args) { // Bind to default global catalog IntPtr hDS; uint err = DsBind(null, null, out hDS); if (err != NO_ERROR) { Console.WriteLine("Error on DsBind : {0}", err); return; } // Crack the currently logged on name try { string[] names = new string[] { System.Security.Principal.WindowsIdentity.GetCurrent().Name }; DS_NAME_RESULT_ITEM[] results = HandleDsCrackNames(hDS, DS_NAME_FLAGS.DS_NAME_NO_FLAGS, DS_NAME_FORMAT.DS_NT4_ACCOUNT_NAME, DS_NAME_FORMAT.DS_USER_PRINCIPAL_NAME, names); foreach (DS_NAME_RESULT_ITEM result in results) { Console.WriteLine("Result : {0}\ \ Domain : {1}\ \ Name : {2}", result.status, result.pDomain, result.pName); } } finally { DsUnBind(ref hDS); } } /// <summary> /// A wrapper function for the DsCrackNames OS call /// </summary> /// <param name="hDS">DsBind handle</param> /// <param name="flags">Flags controlling the process</param> /// <param name="formatOffered">Format of the names</param> /// <param name="formatDesired">Desired format for the names</param> /// <param name="names">The names to crack</param> /// <returns>The crack result</returns> public static DS_NAME_RESULT_ITEM[] HandleDsCrackNames(IntPtr hDS, DS_NAME_FLAGS flags, DS_NAME_FORMAT formatOffered, DS_NAME_FORMAT formatDesired, string[] names) { IntPtr pResult; DS_NAME_RESULT_ITEM[] ResultArray; uint err = DsCrackNames( hDS, flags, formatOffered, formatDesired, (uint)((names == null) ? 0 : names.Length), names, out pResult); if (err != NO_ERROR) throw new System.ComponentModel.Win32Exception((int)err); try { // Next convert the returned structure to managed environment DS_NAME_RESULT Result = new DS_NAME_RESULT(); Result.cItems = (uint)Marshal.ReadInt32(pResult); Result.rItems = Marshal.ReadIntPtr(pResult, Marshal.OffsetOf(typeof(DS_NAME_RESULT),"rItems").ToInt32()); IntPtr curptr = Result.rItems; ResultArray = new DS_NAME_RESULT_ITEM[Result.cItems]; for (int index = 0; index < (int)Result.cItems; index++) { ResultArray[index] = (DS_NAME_RESULT_ITEM)Marshal.PtrToStructure(curptr, typeof(DS_NAME_RESULT_ITEM)); curptr = (IntPtr)((int)curptr + Marshal.SizeOf(ResultArray[index])); } } finally { DsFreeNameResult(pResult); } return ResultArray; } } |
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