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1
18
19 package jcifs.smb;
20
21 import java.util.Enumeration  ;
22
23 abstract class SmbComTransactionResponse extends ServerMessageBlock implements Enumeration {
24
25 private static final int SETUP_OFFSET = 61;
27
28 private static final int DISCONNECT_TID = 0x01;
29 private static final int ONE_WAY_TRANSACTION = 0x02;
30
31 private int totalParameterCount;
32 private int totalDataCount;
33 private int parameterCount;
34 private int parameterOffset;
35 private int parameterDisplacement;
36 private int dataOffset;
37 private int dataDisplacement;
38 private int setupCount;
39 private int pad;
40 private int pad1;
41 private boolean parametersDone, dataDone;
42
43 private int bufParameterStart;
44 private int bufDataStart;
45
46 int dataCount;
47 byte subCommand;
48 boolean hasMore = true;
49 boolean isPrimary = true;
50 byte[] txn_buf;
51
52
53 int status;
54 int numEntries;
55 FileEntry[] results;
56
57 SmbComTransactionResponse() {
58 txn_buf = null;
59 }
60
61 void reset() {
62 super.reset();
63 bufDataStart = 0;
64 isPrimary = hasMore = true;
65 parametersDone = dataDone = false;
66 }
67 public boolean hasMoreElements() {
68 return errorCode == 0 && hasMore;
69 }
70 public Object nextElement() {
71 if( isPrimary ) {
72 isPrimary = false;
73 }
74 return this;
75 }
76 int writeParameterWordsWireFormat( byte[] dst, int dstIndex ) {
77 return 0;
78 }
79 int writeBytesWireFormat( byte[] dst, int dstIndex ) {
80 return 0;
81 }
82 int readParameterWordsWireFormat( byte[] buffer, int bufferIndex ) {
83 int start = bufferIndex;
84
85 totalParameterCount = readInt2( buffer, bufferIndex );
86 if( bufDataStart == 0 ) {
87 bufDataStart = totalParameterCount;
88 }
89 bufferIndex += 2;
90 totalDataCount = readInt2( buffer, bufferIndex );
91 bufferIndex += 4; parameterCount = readInt2( buffer, bufferIndex );
93 bufferIndex += 2;
94 parameterOffset = readInt2( buffer, bufferIndex );
95 bufferIndex += 2;
96 parameterDisplacement = readInt2( buffer, bufferIndex );
97 bufferIndex += 2;
98 dataCount = readInt2( buffer, bufferIndex );
99 bufferIndex += 2;
100 dataOffset = readInt2( buffer, bufferIndex );
101 bufferIndex += 2;
102 dataDisplacement = readInt2( buffer, bufferIndex );
103 bufferIndex += 2;
104 setupCount = buffer[bufferIndex] & 0xFF;
105 bufferIndex += 2;
106 if( setupCount != 0 ) {
107 if( log.level > 2 )
108 log.println( "setupCount is not zero: " + setupCount );
109 }
110
111 return bufferIndex - start;
112 }
113 int readBytesWireFormat( byte[] buffer, int bufferIndex ) {
114 pad = pad1 = 0;
115 int n;
116
117 if( parameterCount > 0 ) {
118 bufferIndex += pad = parameterOffset - ( bufferIndex - headerStart );
119 System.arraycopy( buffer, bufferIndex, txn_buf,
120 bufParameterStart + parameterDisplacement, parameterCount );
121 bufferIndex += parameterCount;
122 }
123 if( dataCount > 0 ) {
124 bufferIndex += pad1 = dataOffset - ( bufferIndex - headerStart );
125 System.arraycopy( buffer, bufferIndex, txn_buf,
126 bufDataStart + dataDisplacement, dataCount );
127 bufferIndex += dataCount;
128 }
129
130
133
134 if( !parametersDone &&
135 ( parameterDisplacement + parameterCount ) == totalParameterCount) {
136 parametersDone = true;
137 }
138
139 if( !dataDone && ( dataDisplacement + dataCount ) == totalDataCount) {
140 dataDone = true;
141 }
142
143 if( parametersDone && dataDone ) {
144 hasMore = false;
145 readParametersWireFormat( txn_buf, bufParameterStart, totalParameterCount );
146 readDataWireFormat( txn_buf, bufDataStart, totalDataCount );
147 }
148
149 return pad + parameterCount + pad1 + dataCount;
150 }
151
152 abstract int writeSetupWireFormat( byte[] dst, int dstIndex );
153 abstract int writeParametersWireFormat( byte[] dst, int dstIndex );
154 abstract int writeDataWireFormat( byte[] dst, int dstIndex );
155 abstract int readSetupWireFormat( byte[] buffer, int bufferIndex, int len );
156 abstract int readParametersWireFormat( byte[] buffer, int bufferIndex, int len );
157 abstract int readDataWireFormat( byte[] buffer, int bufferIndex, int len );
158
159 public String toString() {
160 return new String ( super.toString() +
161 ",totalParameterCount=" + totalParameterCount +
162 ",totalDataCount=" + totalDataCount +
163 ",parameterCount=" + parameterCount +
164 ",parameterOffset=" + parameterOffset +
165 ",parameterDisplacement=" + parameterDisplacement +
166 ",dataCount=" + dataCount +
167 ",dataOffset=" + dataOffset +
168 ",dataDisplacement=" + dataDisplacement +
169 ",setupCount=" + setupCount +
170 ",pad=" + pad +
171 ",pad1=" + pad1 );
172 }
173 }
174 |
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