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1
18
19 package com.knowgate.jcifs.smb;
20
21 import java.util.Date  ;
22 import java.io.UnsupportedEncodingException ;
23
24 import com.knowgate.debug.*;
25 import com.knowgate.misc.Gadgets;
26
27 class SmbComNegotiateResponse extends ServerMessageBlock {
28
29 int dialectIndex,
30 securityMode,
31 security,
32 maxMpxCount,
33 maxNumberVcs,
34 maxBufferSize,
35 maxRawSize,
36 sessionKey,
37 capabilities,
38 serverTimeZone,
39 encryptionKeyLength;
40 boolean encryptedPasswords,
41 signaturesEnabled,
42 signaturesRequired;
43 long serverTime;
44 byte[] encryptionKey;
45 String oemDomainName;
46
47 SmbComNegotiateResponse() {
48 }
49
50 int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {
51 return 0;
52 }
53 int writeBytesWireFormat( byte[] dst, int dstIndex ) {
54 return 0;
55 }
56 int readParameterWordsWireFormat( byte[] buffer,
57 int bufferIndex ) {
58 int start = bufferIndex;
59 dialectIndex = readInt2( buffer, bufferIndex );
60 bufferIndex += 2;
61 if( dialectIndex > 10 ) {
62 return bufferIndex - start;
63 }
64 securityMode = buffer[bufferIndex++] & 0xFF;
65 security = securityMode & 0x01;
66 encryptedPasswords = ( securityMode & 0x02 ) == 0x02 ? true : false;
67 signaturesEnabled = ( securityMode & 0x04 ) == 0x04 ? true : false;
68 signaturesRequired = ( securityMode & 0x08 ) == 0x08 ? true : false;
69 maxMpxCount = readInt2( buffer, bufferIndex );
70 bufferIndex += 2;
71 maxNumberVcs = readInt2( buffer, bufferIndex );
72 bufferIndex += 2;
73 maxBufferSize = readInt4( buffer, bufferIndex );
74 bufferIndex += 4;
75 maxRawSize = readInt4( buffer, bufferIndex );
76 bufferIndex += 4;
77 sessionKey = readInt4( buffer, bufferIndex );
78 bufferIndex += 4;
79 capabilities = readInt4( buffer, bufferIndex );
80 bufferIndex += 4;
81 serverTime = readTime( buffer, bufferIndex );
82 bufferIndex += 8;
83 serverTimeZone = readInt2( buffer, bufferIndex );
84 bufferIndex += 2;
85 encryptionKeyLength = buffer[bufferIndex++] & 0xFF;
86 return bufferIndex - start;
87 }
88 int readBytesWireFormat( byte[] buffer,
89 int bufferIndex ) {
90 int start = bufferIndex;
91 encryptionKey = new byte[encryptionKeyLength];
92 System.arraycopy( buffer, bufferIndex,
93 encryptionKey, 0, encryptionKeyLength );
94 bufferIndex += encryptionKeyLength;
95
96 if( byteCount > encryptionKeyLength ) {
97 int len = 0;
98 if(( flags2 & FLAGS2_UNICODE ) == FLAGS2_UNICODE ) {
99 while( buffer[bufferIndex + len] != (byte)0x00 ||
100 buffer[bufferIndex + len + 1] != (byte)0x00 ) {
101 len += 2;
102 if( len > 256 ) {
103 throw new RuntimeException ( "zero termination not found" );
104 }
105 }
106 try {
107 oemDomainName = new String ( buffer, bufferIndex, len, "UnicodeLittle" );
108 } catch( UnsupportedEncodingException uee ) {
109 if( DebugFile.trace )
110 new ErrorHandler(uee);
111 }
112 } else {
113 while( buffer[bufferIndex + len] != (byte)0x00 ) {
114 len++;
115 if( len > 256 ) {
116 throw new RuntimeException ( "zero termination not found" );
117 }
118 }
119 try {
120 oemDomainName = new String ( buffer, bufferIndex, len, ServerMessageBlock.OEM_ENCODING );
121 } catch( UnsupportedEncodingException uee ) {
122 }
123 }
124 bufferIndex += len;
125 } else {
126 oemDomainName = new String ();
127 }
128
129 return bufferIndex - start;
130 }
131 public String toString() {
132 return new String ( "SmbComNegotiateResponse[" +
133 super.toString() +
134 ",wordCount=" + wordCount +
135 ",dialectIndex=" + dialectIndex +
136 ",securityMode=0x" + Gadgets.toHexString( securityMode, 1 ) +
137 ",security=" + ( security == SECURITY_SHARE ? "share" : "user" ) +
138 ",encryptedPasswords=" + encryptedPasswords +
139 ",maxMpxCount=" + maxMpxCount +
140 ",maxNumberVcs=" + maxNumberVcs +
141 ",maxBufferSize=" + maxBufferSize +
142 ",maxRawSize=" + maxRawSize +
143 ",sessionKey=0x" + Gadgets.toHexString( sessionKey, 8 ) +
144 ",capabilities=0x" + Gadgets.toHexString( capabilities, 8 ) +
145 ",serverTime=" + new Date ( serverTime ) +
146 ",serverTimeZone=" + serverTimeZone +
147 ",encryptionKeyLength=" + encryptionKeyLength +
148 ",byteCount=" + byteCount +
149 ",encryptionKey=0x" + Gadgets.toHexString( encryptionKey,
150 0,
151 encryptionKeyLength * 2 ) +
152 ",oemDomainName=" + oemDomainName + "]" );
153 }
154 }
155 |
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