diff options
| author | Luke Pulverenti <luke.pulverenti@gmail.com> | 2017-08-16 02:43:41 -0400 |
|---|---|---|
| committer | Luke Pulverenti <luke.pulverenti@gmail.com> | 2017-08-16 02:43:41 -0400 |
| commit | bfcd1b520fd79b893e721ba916ae5e1656407d2f (patch) | |
| tree | 6a05119800484435fb384da25c6390054a27c3c3 /Emby.Server.Implementations/IO/SharpCifs/Netbios/Name.cs | |
| parent | e3531534b85aeaaa3e4aaf462d5e77ea142dc762 (diff) | |
merge common implementations and server implementations
Diffstat (limited to 'Emby.Server.Implementations/IO/SharpCifs/Netbios/Name.cs')
| -rw-r--r-- | Emby.Server.Implementations/IO/SharpCifs/Netbios/Name.cs | 269 |
1 files changed, 269 insertions, 0 deletions
diff --git a/Emby.Server.Implementations/IO/SharpCifs/Netbios/Name.cs b/Emby.Server.Implementations/IO/SharpCifs/Netbios/Name.cs new file mode 100644 index 000000000..6c37d57a4 --- /dev/null +++ b/Emby.Server.Implementations/IO/SharpCifs/Netbios/Name.cs @@ -0,0 +1,269 @@ +// This code is derived from jcifs smb client library <jcifs at samba dot org> +// Ported by J. Arturo <webmaster at komodosoft dot net> +// +// This library is free software; you can redistribute it and/or +// modify it under the terms of the GNU Lesser General Public +// License as published by the Free Software Foundation; either +// version 2.1 of the License, or (at your option) any later version. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// Lesser General Public License for more details. +// +// You should have received a copy of the GNU Lesser General Public +// License along with this library; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +using System; +using System.Text; +using SharpCifs.Util; +using SharpCifs.Util.Sharpen; + +namespace SharpCifs.Netbios +{ + public class Name + { + private const int TypeOffset = 31; + + private const int ScopeOffset = 33; + + private static readonly string DefaultScope = Config.GetProperty("jcifs.netbios.scope" + ); + + internal static readonly string OemEncoding = Config.GetProperty("jcifs.encoding" + , Runtime.GetProperty("file.encoding")); + + public string name; + + public string Scope; + + public int HexCode; + + internal int SrcHashCode; + + public Name() + { + } + + public Name(string name, int hexCode, string scope) + { + if (name.Length > 15) + { + name = Runtime.Substring(name, 0, 15); + } + this.name = name.ToUpper(); + this.HexCode = hexCode; + this.Scope = !string.IsNullOrEmpty(scope) ? scope : DefaultScope; + SrcHashCode = 0; + } + + internal virtual int WriteWireFormat(byte[] dst, int dstIndex) + { + // write 0x20 in first byte + dst[dstIndex] = unchecked(0x20); + // write name + try + { + byte[] tmp = Runtime.GetBytesForString(name, OemEncoding + ); + int i; + for (i = 0; i < tmp.Length; i++) + { + dst[dstIndex + (2 * i + 1)] = unchecked((byte)(((tmp[i] & unchecked(0xF0)) + >> 4) + unchecked(0x41))); + dst[dstIndex + (2 * i + 2)] = unchecked((byte)((tmp[i] & unchecked(0x0F)) + + unchecked(0x41))); + } + for (; i < 15; i++) + { + dst[dstIndex + (2 * i + 1)] = unchecked(unchecked(0x43)); + dst[dstIndex + (2 * i + 2)] = unchecked(unchecked(0x41)); + } + dst[dstIndex + TypeOffset] = unchecked((byte)(((HexCode & unchecked(0xF0) + ) >> 4) + unchecked(0x41))); + dst[dstIndex + TypeOffset + 1] = unchecked((byte)((HexCode & unchecked(0x0F)) + unchecked(0x41))); + } + catch (UnsupportedEncodingException) + { + } + return ScopeOffset + WriteScopeWireFormat(dst, dstIndex + ScopeOffset); + } + + internal virtual int ReadWireFormat(byte[] src, int srcIndex) + { + byte[] tmp = new byte[ScopeOffset]; + int length = 15; + for (int i = 0; i < 15; i++) + { + tmp[i] = unchecked((byte)(((src[srcIndex + (2 * i + 1)] & unchecked(0xFF)) + - unchecked(0x41)) << 4)); + tmp[i] |= unchecked((byte)(((src[srcIndex + (2 * i + 2)] & unchecked(0xFF) + ) - unchecked(0x41)) & unchecked(0x0F))); + if (tmp[i] != unchecked((byte)' ')) + { + length = i + 1; + } + } + try + { + name = Runtime.GetStringForBytes(tmp, 0, length, OemEncoding + ); + } + catch (UnsupportedEncodingException) + { + } + HexCode = ((src[srcIndex + TypeOffset] & unchecked(0xFF)) - unchecked(0x41)) << 4; + HexCode |= ((src[srcIndex + TypeOffset + 1] & unchecked(0xFF)) - unchecked( + 0x41)) & unchecked(0x0F); + return ScopeOffset + ReadScopeWireFormat(src, srcIndex + ScopeOffset); + } + + internal int ReadWireFormatDos(byte[] src, int srcIndex) + { + + int length = 15; + byte[] tmp = new byte[length]; + + Array.Copy(src, srcIndex, tmp, 0, length); + + try + { + name = Runtime.GetStringForBytes(tmp, 0, length).Trim(); + } + catch (Exception ex) + { + + } + + HexCode = src[srcIndex + length]; + + return length + 1; + } + + + internal virtual int WriteScopeWireFormat(byte[] dst, int dstIndex) + { + if (Scope == null) + { + dst[dstIndex] = unchecked(unchecked(0x00)); + return 1; + } + // copy new scope in + dst[dstIndex++] = unchecked((byte)('.')); + try + { + Array.Copy(Runtime.GetBytesForString(Scope, OemEncoding + ), 0, dst, dstIndex, Scope.Length); + } + catch (UnsupportedEncodingException) + { + } + dstIndex += Scope.Length; + dst[dstIndex++] = unchecked(unchecked(0x00)); + // now go over scope backwards converting '.' to label length + int i = dstIndex - 2; + int e = i - Scope.Length; + int c = 0; + do + { + if (dst[i] == '.') + { + dst[i] = unchecked((byte)c); + c = 0; + } + else + { + c++; + } + } + while (i-- > e); + return Scope.Length + 2; + } + + internal virtual int ReadScopeWireFormat(byte[] src, int srcIndex) + { + int start = srcIndex; + int n; + StringBuilder sb; + if ((n = src[srcIndex++] & unchecked(0xFF)) == 0) + { + Scope = null; + return 1; + } + try + { + sb = new StringBuilder(Runtime.GetStringForBytes(src, srcIndex, n, OemEncoding)); + srcIndex += n; + while ((n = src[srcIndex++] & unchecked(0xFF)) != 0) + { + sb.Append('.').Append(Runtime.GetStringForBytes(src, srcIndex, n, OemEncoding)); + srcIndex += n; + } + Scope = sb.ToString(); + } + catch (UnsupportedEncodingException) + { + } + return srcIndex - start; + } + + public override int GetHashCode() + { + int result; + result = name.GetHashCode(); + result += 65599 * HexCode; + result += 65599 * SrcHashCode; + if (Scope != null && Scope.Length != 0) + { + result += Scope.GetHashCode(); + } + return result; + } + + public override bool Equals(object obj) + { + Name n; + if (!(obj is Name)) + { + return false; + } + n = (Name)obj; + if (Scope == null && n.Scope == null) + { + return name.Equals(n.name) && HexCode == n.HexCode; + } + return name.Equals(n.name) && HexCode == n.HexCode && Scope.Equals(n.Scope); + } + + public override string ToString() + { + StringBuilder sb = new StringBuilder(); + + //return ""; + + string n = name; + // fix MSBROWSE name + if (n == null) + { + n = "null"; + } + else + { + if (n[0] == unchecked(0x01)) + { + char[] c = n.ToCharArray(); + c[0] = '.'; + c[1] = '.'; + c[14] = '.'; + n = new string(c); + } + } + sb.Append(n).Append("<").Append(Hexdump.ToHexString(HexCode, 2)).Append(">"); + if (Scope != null) + { + sb.Append(".").Append(Scope); + } + return sb.ToString(); + } + } +} |
