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path: root/Emby.Common.Implementations/IO/SharpCifs/Dcerpc/Ndr/NdrBuffer.cs
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Diffstat (limited to 'Emby.Common.Implementations/IO/SharpCifs/Dcerpc/Ndr/NdrBuffer.cs')
-rw-r--r--Emby.Common.Implementations/IO/SharpCifs/Dcerpc/Ndr/NdrBuffer.cs563
1 files changed, 281 insertions, 282 deletions
diff --git a/Emby.Common.Implementations/IO/SharpCifs/Dcerpc/Ndr/NdrBuffer.cs b/Emby.Common.Implementations/IO/SharpCifs/Dcerpc/Ndr/NdrBuffer.cs
index 0a47de799..9ce6360a2 100644
--- a/Emby.Common.Implementations/IO/SharpCifs/Dcerpc/Ndr/NdrBuffer.cs
+++ b/Emby.Common.Implementations/IO/SharpCifs/Dcerpc/Ndr/NdrBuffer.cs
@@ -20,286 +20,285 @@ using SharpCifs.Util.Sharpen;
namespace SharpCifs.Dcerpc.Ndr
{
- public class NdrBuffer
- {
- internal int Referent;
-
- internal Hashtable Referents;
-
- internal class Entry
- {
- internal int Referent;
-
- internal object Obj;
- }
-
- public byte[] Buf;
-
- public int Start;
-
- public int Index;
-
- public int Length;
-
- public NdrBuffer Deferred;
-
- public NdrBuffer(byte[] buf, int start)
- {
- this.Buf = buf;
- this.Start = Index = start;
- Length = 0;
- Deferred = this;
- }
-
- public virtual NdrBuffer Derive(int idx)
- {
- NdrBuffer nb = new NdrBuffer(Buf, Start);
- nb.Index = idx;
- nb.Deferred = Deferred;
- return nb;
- }
-
- public virtual void Reset()
- {
- Index = Start;
- Length = 0;
- Deferred = this;
- }
-
- public virtual int GetIndex()
- {
- return Index;
- }
-
- public virtual void SetIndex(int index)
- {
- this.Index = index;
- }
-
- public virtual int GetCapacity()
- {
- return Buf.Length - Start;
- }
-
- public virtual int GetTailSpace()
- {
- return Buf.Length - Index;
- }
-
- public virtual byte[] GetBuffer()
- {
- return Buf;
- }
-
- public virtual int Align(int boundary, byte value)
- {
- int n = Align(boundary);
- int i = n;
- while (i > 0)
- {
- Buf[Index - i] = value;
- i--;
- }
- return n;
- }
-
- public virtual void WriteOctetArray(byte[] b, int i, int l)
- {
- Array.Copy(b, i, Buf, Index, l);
- Advance(l);
- }
-
- public virtual void ReadOctetArray(byte[] b, int i, int l)
- {
- Array.Copy(Buf, Index, b, i, l);
- Advance(l);
- }
-
- public virtual int GetLength()
- {
- return Deferred.Length;
- }
-
- public virtual void SetLength(int length)
- {
- Deferred.Length = length;
- }
-
- public virtual void Advance(int n)
- {
- Index += n;
- if ((Index - Start) > Deferred.Length)
- {
- Deferred.Length = Index - Start;
- }
- }
-
- public virtual int Align(int boundary)
- {
- int m = boundary - 1;
- int i = Index - Start;
- int n = ((i + m) & ~m) - i;
- Advance(n);
- return n;
- }
-
- public virtual void Enc_ndr_small(int s)
- {
- Buf[Index] = unchecked((byte)(s & unchecked(0xFF)));
- Advance(1);
- }
-
- public virtual int Dec_ndr_small()
- {
- int val = Buf[Index] & unchecked(0xFF);
- Advance(1);
- return val;
- }
-
- public virtual void Enc_ndr_short(int s)
- {
- Align(2);
- Encdec.Enc_uint16le((short)s, Buf, Index);
- Advance(2);
- }
-
- public virtual int Dec_ndr_short()
- {
- Align(2);
- int val = Encdec.Dec_uint16le(Buf, Index);
- Advance(2);
- return val;
- }
-
- public virtual void Enc_ndr_long(int l)
- {
- Align(4);
- Encdec.Enc_uint32le(l, Buf, Index);
- Advance(4);
- }
-
- public virtual int Dec_ndr_long()
- {
- Align(4);
- int val = Encdec.Dec_uint32le(Buf, Index);
- Advance(4);
- return val;
- }
-
- public virtual void Enc_ndr_hyper(long h)
- {
- Align(8);
- Encdec.Enc_uint64le(h, Buf, Index);
- Advance(8);
- }
-
- public virtual long Dec_ndr_hyper()
- {
- Align(8);
- long val = Encdec.Dec_uint64le(Buf, Index);
- Advance(8);
- return val;
- }
-
- public virtual void Enc_ndr_string(string s)
- {
- Align(4);
- int i = Index;
- int len = s.Length;
- Encdec.Enc_uint32le(len + 1, Buf, i);
- i += 4;
- Encdec.Enc_uint32le(0, Buf, i);
- i += 4;
- Encdec.Enc_uint32le(len + 1, Buf, i);
- i += 4;
- try
- {
- Array.Copy(Runtime.GetBytesForString(s, "UTF-16LE"), 0, Buf, i, len
- * 2);
- }
- catch (UnsupportedEncodingException)
- {
- }
- i += len * 2;
- Buf[i++] = unchecked((byte)('\0'));
- Buf[i++] = unchecked((byte)('\0'));
- Advance(i - Index);
- }
-
- /// <exception cref="SharpCifs.Dcerpc.Ndr.NdrException"></exception>
- public virtual string Dec_ndr_string()
- {
- Align(4);
- int i = Index;
- string val = null;
- int len = Encdec.Dec_uint32le(Buf, i);
- i += 12;
- if (len != 0)
- {
- len--;
- int size = len * 2;
- try
- {
- if (size < 0 || size > unchecked(0xFFFF))
- {
- throw new NdrException(NdrException.InvalidConformance);
- }
- val = Runtime.GetStringForBytes(Buf, i, size, "UTF-16LE");
- i += size + 2;
- }
- catch (UnsupportedEncodingException)
- {
- }
- }
- Advance(i - Index);
- return val;
- }
-
- private int GetDceReferent(object obj)
- {
- Entry e;
- if (Referents == null)
- {
- Referents = new Hashtable();
- Referent = 1;
- }
- if ((e = (Entry)Referents.Get(obj)) == null)
- {
- e = new Entry();
- e.Referent = Referent++;
- e.Obj = obj;
- Referents.Put(obj, e);
- }
- return e.Referent;
- }
-
- public virtual void Enc_ndr_referent(object obj, int type)
- {
- if (obj == null)
- {
- Enc_ndr_long(0);
- return;
- }
- switch (type)
- {
- case 1:
- case 3:
- {
- Enc_ndr_long(Runtime.IdentityHashCode(obj));
- return;
- }
-
- case 2:
- {
- Enc_ndr_long(GetDceReferent(obj));
- return;
- }
- }
- }
-
- public override string ToString()
- {
- return "start=" + Start + ",index=" + Index + ",length=" + GetLength();
- }
- }
+ public class NdrBuffer
+ {
+ internal int Referent;
+
+ internal Hashtable Referents;
+
+ internal class Entry
+ {
+ internal int Referent;
+
+ internal object Obj;
+ }
+
+ public byte[] Buf;
+
+ public int Start;
+
+ public int Index;
+
+ public int Length;
+
+ public NdrBuffer Deferred;
+
+ public NdrBuffer(byte[] buf, int start)
+ {
+ this.Buf = buf;
+ this.Start = Index = start;
+ Length = 0;
+ Deferred = this;
+ }
+
+ public virtual NdrBuffer Derive(int idx)
+ {
+ NdrBuffer nb = new NdrBuffer(Buf, Start);
+ nb.Index = idx;
+ nb.Deferred = Deferred;
+ return nb;
+ }
+
+ public virtual void Reset()
+ {
+ Index = Start;
+ Length = 0;
+ Deferred = this;
+ }
+
+ public virtual int GetIndex()
+ {
+ return Index;
+ }
+
+ public virtual void SetIndex(int index)
+ {
+ this.Index = index;
+ }
+
+ public virtual int GetCapacity()
+ {
+ return Buf.Length - Start;
+ }
+
+ public virtual int GetTailSpace()
+ {
+ return Buf.Length - Index;
+ }
+
+ public virtual byte[] GetBuffer()
+ {
+ return Buf;
+ }
+
+ public virtual int Align(int boundary, byte value)
+ {
+ int n = Align(boundary);
+ int i = n;
+ while (i > 0)
+ {
+ Buf[Index - i] = value;
+ i--;
+ }
+ return n;
+ }
+
+ public virtual void WriteOctetArray(byte[] b, int i, int l)
+ {
+ Array.Copy(b, i, Buf, Index, l);
+ Advance(l);
+ }
+
+ public virtual void ReadOctetArray(byte[] b, int i, int l)
+ {
+ Array.Copy(Buf, Index, b, i, l);
+ Advance(l);
+ }
+
+ public virtual int GetLength()
+ {
+ return Deferred.Length;
+ }
+
+ public virtual void SetLength(int length)
+ {
+ Deferred.Length = length;
+ }
+
+ public virtual void Advance(int n)
+ {
+ Index += n;
+ if ((Index - Start) > Deferred.Length)
+ {
+ Deferred.Length = Index - Start;
+ }
+ }
+
+ public virtual int Align(int boundary)
+ {
+ int m = boundary - 1;
+ int i = Index - Start;
+ int n = ((i + m) & ~m) - i;
+ Advance(n);
+ return n;
+ }
+
+ public virtual void Enc_ndr_small(int s)
+ {
+ Buf[Index] = unchecked((byte)(s & unchecked(0xFF)));
+ Advance(1);
+ }
+
+ public virtual int Dec_ndr_small()
+ {
+ int val = Buf[Index] & unchecked(0xFF);
+ Advance(1);
+ return val;
+ }
+
+ public virtual void Enc_ndr_short(int s)
+ {
+ Align(2);
+ Encdec.Enc_uint16le((short)s, Buf, Index);
+ Advance(2);
+ }
+
+ public virtual int Dec_ndr_short()
+ {
+ Align(2);
+ int val = Encdec.Dec_uint16le(Buf, Index);
+ Advance(2);
+ return val;
+ }
+
+ public virtual void Enc_ndr_long(int l)
+ {
+ Align(4);
+ Encdec.Enc_uint32le(l, Buf, Index);
+ Advance(4);
+ }
+
+ public virtual int Dec_ndr_long()
+ {
+ Align(4);
+ int val = Encdec.Dec_uint32le(Buf, Index);
+ Advance(4);
+ return val;
+ }
+
+ public virtual void Enc_ndr_hyper(long h)
+ {
+ Align(8);
+ Encdec.Enc_uint64le(h, Buf, Index);
+ Advance(8);
+ }
+
+ public virtual long Dec_ndr_hyper()
+ {
+ Align(8);
+ long val = Encdec.Dec_uint64le(Buf, Index);
+ Advance(8);
+ return val;
+ }
+
+ public virtual void Enc_ndr_string(string s)
+ {
+ Align(4);
+ int i = Index;
+ int len = s.Length;
+ Encdec.Enc_uint32le(len + 1, Buf, i);
+ i += 4;
+ Encdec.Enc_uint32le(0, Buf, i);
+ i += 4;
+ Encdec.Enc_uint32le(len + 1, Buf, i);
+ i += 4;
+ try
+ {
+ Array.Copy(Runtime.GetBytesForString(s, "UTF-16LE"), 0, Buf, i, len * 2);
+ }
+ catch (UnsupportedEncodingException)
+ {
+ }
+ i += len * 2;
+ Buf[i++] = unchecked((byte)('\0'));
+ Buf[i++] = unchecked((byte)('\0'));
+ Advance(i - Index);
+ }
+
+ /// <exception cref="SharpCifs.Dcerpc.Ndr.NdrException"></exception>
+ public virtual string Dec_ndr_string()
+ {
+ Align(4);
+ int i = Index;
+ string val = null;
+ int len = Encdec.Dec_uint32le(Buf, i);
+ i += 12;
+ if (len != 0)
+ {
+ len--;
+ int size = len * 2;
+ try
+ {
+ if (size < 0 || size > unchecked(0xFFFF))
+ {
+ throw new NdrException(NdrException.InvalidConformance);
+ }
+ val = Runtime.GetStringForBytes(Buf, i, size, "UTF-16LE");
+ i += size + 2;
+ }
+ catch (UnsupportedEncodingException)
+ {
+ }
+ }
+ Advance(i - Index);
+ return val;
+ }
+
+ private int GetDceReferent(object obj)
+ {
+ Entry e;
+ if (Referents == null)
+ {
+ Referents = new Hashtable();
+ Referent = 1;
+ }
+ if ((e = (Entry)Referents.Get(obj)) == null)
+ {
+ e = new Entry();
+ e.Referent = Referent++;
+ e.Obj = obj;
+ Referents.Put(obj, e);
+ }
+ return e.Referent;
+ }
+
+ public virtual void Enc_ndr_referent(object obj, int type)
+ {
+ if (obj == null)
+ {
+ Enc_ndr_long(0);
+ return;
+ }
+ switch (type)
+ {
+ case 1:
+ case 3:
+ {
+ Enc_ndr_long(Runtime.IdentityHashCode(obj));
+ return;
+ }
+
+ case 2:
+ {
+ Enc_ndr_long(GetDceReferent(obj));
+ return;
+ }
+ }
+ }
+
+ public override string ToString()
+ {
+ return "start=" + Start + ",index=" + Index + ",length=" + GetLength();
+ }
+ }
}
generated by cgit v1.2.3 (git 2.46.0) at 2025-12-29 22:05:06 +0000