Mercurial > 510Connectbot
annotate src/ch/ethz/ssh2/SFTPv6Client.java @ 295:deb5fb087b6f ganymed
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author | Carl Byington <carl@five-ten-sg.com> |
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date | Fri, 18 Jul 2014 20:48:40 -0700 |
parents | 91a31873c42a |
children | d2b303406d63 |
rev | line source |
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1 package ch.ethz.ssh2; |
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2 |
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3 import java.io.IOException; |
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4 import java.util.ArrayList; |
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5 import java.util.List; |
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6 |
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7 import ch.ethz.ssh2.log.Logger; |
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8 import ch.ethz.ssh2.packets.TypesReader; |
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9 import ch.ethz.ssh2.packets.TypesWriter; |
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10 import ch.ethz.ssh2.sftp.AceMask; |
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11 import ch.ethz.ssh2.sftp.ErrorCodes; |
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12 import ch.ethz.ssh2.sftp.OpenFlags; |
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13 import ch.ethz.ssh2.sftp.Packet; |
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14 |
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15 /** |
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16 * @version $Id: SFTPv6Client.java 151 2014-04-28 10:03:39Z dkocher@sudo.ch $ |
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17 */ |
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18 public class SFTPv6Client extends AbstractSFTPClient { |
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19 private static final Logger log = Logger.getLogger(SFTPv6Client.class); |
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20 |
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21 private PacketListener listener; |
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22 |
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23 public SFTPv6Client(Connection conn) throws IOException { |
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24 this(conn, new PacketListener() { |
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25 public void read(String packet) { |
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26 log.debug("Read packet " + packet); |
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27 } |
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28 |
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29 public void write(String packet) { |
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30 log.debug("Write packet " + packet); |
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31 } |
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32 }); |
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33 } |
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34 |
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35 public SFTPv6Client(Connection conn, PacketListener listener) throws IOException { |
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36 super(conn, 6, listener); |
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37 this.listener = listener; |
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38 } |
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39 |
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40 @Override |
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41 public SFTPv6FileAttributes fstat(SFTPFileHandle handle) throws IOException { |
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42 int req_id = generateNextRequestID(); |
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43 |
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44 TypesWriter tw = new TypesWriter(); |
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45 tw.writeString(handle.getHandle(), 0, handle.getHandle().length); |
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46 |
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47 sendMessage(Packet.SSH_FXP_FSTAT, req_id, tw.getBytes()); |
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48 |
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49 byte[] resp = receiveMessage(34000); |
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50 |
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51 TypesReader tr = new TypesReader(resp); |
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52 |
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53 int t = tr.readByte(); |
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54 listener.read(Packet.forName(t)); |
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55 |
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56 int rep_id = tr.readUINT32(); |
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57 if(rep_id != req_id) { |
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58 throw new RequestMismatchException(); |
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59 } |
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60 |
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61 if(t == Packet.SSH_FXP_ATTRS) { |
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62 return new SFTPv6FileAttributes(tr); |
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63 } |
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64 |
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65 if(t != Packet.SSH_FXP_STATUS) { |
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66 throw new PacketTypeException(t); |
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67 } |
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68 |
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69 int errorCode = tr.readUINT32(); |
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70 String errorMessage = tr.readString(); |
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71 listener.read(errorMessage); |
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72 throw new SFTPException(errorMessage, errorCode); |
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73 } |
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74 |
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75 private SFTPv6FileAttributes statBoth(String path, int statMethod) throws IOException { |
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76 int req_id = generateNextRequestID(); |
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77 |
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78 TypesWriter tw = new TypesWriter(); |
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79 tw.writeString(path, this.getCharset()); |
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80 |
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81 sendMessage(statMethod, req_id, tw.getBytes()); |
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82 |
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83 byte[] resp = receiveMessage(34000); |
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84 |
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85 TypesReader tr = new TypesReader(resp); |
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86 |
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87 int t = tr.readByte(); |
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88 listener.read(Packet.forName(t)); |
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89 |
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90 int rep_id = tr.readUINT32(); |
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91 if(rep_id != req_id) { |
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92 throw new RequestMismatchException(); |
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93 } |
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94 |
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95 if(t == Packet.SSH_FXP_ATTRS) { |
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96 return new SFTPv6FileAttributes(tr); |
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97 } |
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98 |
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99 if(t != Packet.SSH_FXP_STATUS) { |
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100 throw new PacketTypeException(t); |
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101 } |
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102 |
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103 int errorCode = tr.readUINT32(); |
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104 String errorMessage = tr.readString(); |
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105 listener.read(errorMessage); |
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106 throw new SFTPException(errorMessage, errorCode); |
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107 } |
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108 |
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109 @Override |
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110 public SFTPv6FileAttributes stat(String path) throws IOException { |
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111 return statBoth(path, Packet.SSH_FXP_STAT); |
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112 } |
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113 |
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114 @Override |
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115 public SFTPv6FileAttributes lstat(String path) throws IOException { |
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116 return statBoth(path, Packet.SSH_FXP_LSTAT); |
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117 } |
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118 |
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119 |
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120 private List<SFTPv6DirectoryEntry> scanDirectory(byte[] handle) throws IOException { |
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121 List<SFTPv6DirectoryEntry> files = new ArrayList<SFTPv6DirectoryEntry>(); |
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122 |
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123 while(true) { |
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124 int req_id = generateNextRequestID(); |
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125 |
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126 TypesWriter tw = new TypesWriter(); |
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127 tw.writeString(handle, 0, handle.length); |
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128 |
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129 sendMessage(Packet.SSH_FXP_READDIR, req_id, tw.getBytes()); |
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130 |
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131 byte[] resp = receiveMessage(34000); |
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132 |
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133 TypesReader tr = new TypesReader(resp); |
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134 |
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135 int t = tr.readByte(); |
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136 listener.read(Packet.forName(t)); |
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137 int rep_id = tr.readUINT32(); |
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138 if(rep_id != req_id) { |
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139 throw new RequestMismatchException(); |
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140 } |
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141 if(t == Packet.SSH_FXP_NAME) { |
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142 int count = tr.readUINT32(); |
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143 if(log.isDebugEnabled()) { |
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144 log.debug(String.format("Parsing %d name entries", count)); |
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145 } |
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146 while(count > 0) { |
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147 SFTPv6DirectoryEntry file = new SFTPv6DirectoryEntry(); |
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148 file.filename = tr.readString(this.getCharset()); |
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149 listener.read(file.filename); |
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150 file.attributes = new SFTPv6FileAttributes(tr); |
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151 if(log.isDebugEnabled()) { |
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152 log.debug(String.format("Adding file %s", file)); |
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153 } |
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154 files.add(file); |
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155 count--; |
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156 } |
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157 continue; |
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158 } |
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159 if(t != Packet.SSH_FXP_STATUS) { |
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160 throw new PacketTypeException(t); |
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161 } |
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162 int errorCode = tr.readUINT32(); |
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163 if(errorCode == ErrorCodes.SSH_FX_EOF) { |
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164 return files; |
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165 } |
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166 String errorMessage = tr.readString(); |
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167 listener.read(errorMessage); |
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168 throw new SFTPException(errorMessage, errorCode); |
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169 } |
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170 } |
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171 |
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172 @Override |
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173 public final SFTPFileHandle openDirectory(String path) throws IOException { |
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174 int req_id = generateNextRequestID(); |
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175 |
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176 TypesWriter tw = new TypesWriter(); |
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177 tw.writeString(path, this.getCharset()); |
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178 |
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179 sendMessage(Packet.SSH_FXP_OPENDIR, req_id, tw.getBytes()); |
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180 |
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181 byte[] resp = receiveMessage(34000); |
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182 |
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183 TypesReader tr = new TypesReader(resp); |
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184 |
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185 int t = tr.readByte(); |
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186 listener.read(Packet.forName(t)); |
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187 |
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188 int rep_id = tr.readUINT32(); |
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189 if(rep_id != req_id) { |
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190 throw new RequestMismatchException(); |
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191 } |
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192 |
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193 if(t == Packet.SSH_FXP_HANDLE) { |
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194 return new SFTPFileHandle(this, tr.readByteString()); |
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195 } |
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196 |
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197 if(t != Packet.SSH_FXP_STATUS) { |
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198 throw new PacketTypeException(t); |
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199 } |
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200 |
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201 int errorCode = tr.readUINT32(); |
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202 String errorMessage = tr.readString(); |
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203 listener.read(errorMessage); |
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204 throw new SFTPException(errorMessage, errorCode); |
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|
205 } |
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|
206 |
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|
207 /** |
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208 * List the contents of a directory. |
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|
209 * |
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210 * @param dirName See the {@link SFTPv6Client comment} for the class for more details. |
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211 * @return A Vector containing {@link SFTPv6DirectoryEntry} objects. |
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212 * @throws IOException |
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|
213 */ |
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|
214 @Override |
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|
215 public List<SFTPv6DirectoryEntry> ls(String dirName) throws IOException { |
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216 SFTPFileHandle handle = openDirectory(dirName); |
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217 List<SFTPv6DirectoryEntry> result = scanDirectory(handle.getHandle()); |
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218 closeFile(handle); |
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|
219 return result; |
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|
220 } |
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|
221 |
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|
222 /** |
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223 * Create a file and open it for reading and writing. |
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224 * Same as {@link #createFile(String, SFTPFileAttributes) createFile(fileName, null)}. |
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225 * |
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|
226 * @param filename See the {@link SFTPv6Client comment} for the class for more details. |
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227 * @return a SFTPFileHandle handle |
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228 * @throws IOException |
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|
229 */ |
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|
230 @Override |
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|
231 public SFTPFileHandle createFile(String filename) throws IOException { |
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232 return createFile(filename, new SFTPv6FileAttributes()); |
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233 } |
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|
234 |
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|
235 /** |
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|
236 * Create a file and open it for reading and writing. |
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237 * You can specify the default attributes of the file (the server may or may |
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|
238 * not respect your wishes). |
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|
239 * |
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240 * @param filename See the {@link SFTPv6Client comment} for the class for more details. |
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241 * @param attr may be <code>null</code> to use server defaults. Probably only |
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|
242 * the <code>uid</code>, <code>gid</code> and <code>permissions</code> |
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|
243 * (remember the server may apply a umask) entries of the {@link SFTPFileHandle} |
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244 * structure make sense. You need only to set those fields where you want |
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245 * to override the server's defaults. |
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|
246 * @return a SFTPFileHandle handle |
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|
247 * @throws IOException |
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|
248 */ |
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|
249 @Override |
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|
250 public SFTPFileHandle createFile(String filename, SFTPFileAttributes attr) throws IOException { |
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251 return openFile(filename, OpenFlags.SSH_FXF_CREATE_NEW, attr); |
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|
252 } |
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|
253 |
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changeset
|
254 @Override |
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|
255 public SFTPFileHandle openFile(String filename, int flags) throws IOException { |
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256 return this.openFile(filename, flags, new SFTPv6FileAttributes()); |
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|
257 } |
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changeset
|
258 |
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259 @Override |
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260 public SFTPFileHandle openFile(String filename, int flags, SFTPFileAttributes attr) throws IOException { |
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261 int req_id = generateNextRequestID(); |
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262 |
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263 TypesWriter tw = new TypesWriter(); |
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264 tw.writeString(filename, this.getCharset()); |
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265 tw.writeUINT32(AceMask.ACE4_READ_DATA | AceMask.ACE4_READ_ATTRIBUTES | AceMask.ACE4_READ_ACL | AceMask.ACE4_READ_NAMED_ATTRS |
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266 | AceMask.ACE4_WRITE_DATA | AceMask.ACE4_APPEND_DATA | AceMask.ACE4_WRITE_ATTRIBUTES | AceMask.ACE4_WRITE_ACL | AceMask.ACE4_WRITE_NAMED_ATTRS); |
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267 tw.writeUINT32(flags); |
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268 |
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269 tw.writeBytes(attr.toBytes()); |
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270 |
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271 sendMessage(Packet.SSH_FXP_OPEN, req_id, tw.getBytes()); |
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272 |
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273 byte[] resp = receiveMessage(34000); |
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274 |
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275 TypesReader tr = new TypesReader(resp); |
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276 |
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277 int t = tr.readByte(); |
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278 listener.read(Packet.forName(t)); |
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279 |
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280 int rep_id = tr.readUINT32(); |
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281 if(rep_id != req_id) { |
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282 throw new RequestMismatchException(); |
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283 } |
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284 |
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285 if(t == Packet.SSH_FXP_HANDLE) { |
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286 return new SFTPFileHandle(this, tr.readByteString()); |
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287 } |
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288 |
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289 if(t != Packet.SSH_FXP_STATUS) { |
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290 throw new PacketTypeException(t); |
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291 } |
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292 |
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293 int errorCode = tr.readUINT32(); |
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294 String errorMessage = tr.readString(); |
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295 listener.read(errorMessage); |
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296 throw new SFTPException(errorMessage, errorCode); |
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297 } |
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298 |
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299 @Override |
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300 public void createSymlink(String src, String target) throws IOException { |
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301 int req_id = generateNextRequestID(); |
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302 |
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303 TypesWriter tw = new TypesWriter(); |
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304 // new-link-path |
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305 tw.writeString(src, this.getCharset()); |
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306 // existing-path |
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307 tw.writeString(target, this.getCharset()); |
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308 tw.writeBoolean(true); |
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309 |
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310 sendMessage(Packet.SSH_FXP_LINK, req_id, tw.getBytes()); |
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311 |
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312 expectStatusOKMessage(req_id); |
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313 } |
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314 |
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315 @Override |
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316 public void createHardlink(String src, String target) throws IOException { |
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317 int req_id = generateNextRequestID(); |
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318 |
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319 TypesWriter tw = new TypesWriter(); |
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320 // new-link-path |
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321 tw.writeString(src, this.getCharset()); |
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322 // existing-path |
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323 tw.writeString(target, this.getCharset()); |
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324 tw.writeBoolean(false); |
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325 |
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326 sendMessage(Packet.SSH_FXP_LINK, req_id, tw.getBytes()); |
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327 |
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328 expectStatusOKMessage(req_id); |
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329 } |
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330 } |