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1 | /* -*-mode:java; c-basic-offset:2; indent-tabs-mode:nil -*- */ |
2 | /* | |
3 | Copyright (c) 2002-2010 ymnk, JCraft,Inc. All rights reserved. | |
4 | ||
5 | Redistribution and use in source and binary forms, with or without | |
6 | modification, are permitted provided that the following conditions are met: | |
7 | ||
8 | 1. Redistributions of source code must retain the above copyright notice, | |
9 | this list of conditions and the following disclaimer. | |
10 | ||
11 | 2. Redistributions in binary form must reproduce the above copyright | |
12 | notice, this list of conditions and the following disclaimer in | |
13 | the documentation and/or other materials provided with the distribution. | |
14 | ||
15 | 3. The names of the authors may not be used to endorse or promote products | |
16 | derived from this software without specific prior written permission. | |
17 | ||
18 | THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, | |
19 | INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND | |
20 | FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JCRAFT, | |
21 | INC. OR ANY CONTRIBUTORS TO THIS SOFTWARE BE LIABLE FOR ANY DIRECT, INDIRECT, | |
22 | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
23 | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, | |
24 | OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
25 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
26 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
27 | EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | */ | |
29 | ||
30 | package com.jcraft.jsch; | |
31 | ||
32 | import java.text.SimpleDateFormat; | |
33 | import java.util.Date; | |
34 | ||
35 | /* | |
36 | uint32 flags | |
37 | uint64 size present only if flag SSH_FILEXFER_ATTR_SIZE | |
38 | uint32 uid present only if flag SSH_FILEXFER_ATTR_UIDGID | |
39 | uint32 gid present only if flag SSH_FILEXFER_ATTR_UIDGID | |
40 | uint32 permissions present only if flag SSH_FILEXFER_ATTR_PERMISSIONS | |
41 | uint32 atime present only if flag SSH_FILEXFER_ACMODTIME | |
42 | uint32 mtime present only if flag SSH_FILEXFER_ACMODTIME | |
43 | uint32 extended_count present only if flag SSH_FILEXFER_ATTR_EXTENDED | |
44 | string extended_type | |
45 | string extended_data | |
46 | ... more extended data (extended_type - extended_data pairs), | |
47 | so that number of pairs equals extended_count | |
48 | */ | |
49 | public class SftpATTRS { | |
50 | ||
51 | static final int S_ISUID = 04000; // set user ID on execution | |
52 | static final int S_ISGID = 02000; // set group ID on execution | |
53 | static final int S_ISVTX = 01000; // sticky bit ****** NOT DOCUMENTED ***** | |
54 | ||
55 | static final int S_IRUSR = 00400; // read by owner | |
56 | static final int S_IWUSR = 00200; // write by owner | |
57 | static final int S_IXUSR = 00100; // execute/search by owner | |
58 | static final int S_IREAD = 00400; // read by owner | |
59 | static final int S_IWRITE= 00200; // write by owner | |
60 | static final int S_IEXEC = 00100; // execute/search by owner | |
61 | ||
62 | static final int S_IRGRP = 00040; // read by group | |
63 | static final int S_IWGRP = 00020; // write by group | |
64 | static final int S_IXGRP = 00010; // execute/search by group | |
65 | ||
66 | static final int S_IROTH = 00004; // read by others | |
67 | static final int S_IWOTH = 00002; // write by others | |
68 | static final int S_IXOTH = 00001; // execute/search by others | |
69 | ||
70 | private static final int pmask = 0xFFF; | |
71 | ||
72 | public String getPermissionsString() { | |
73 | StringBuffer buf = new StringBuffer(10); | |
74 | ||
75 | if(isDir()) buf.append('d'); | |
76 | else if(isLink()) buf.append('l'); | |
77 | else buf.append('-'); | |
78 | ||
79 | if((permissions & S_IRUSR)!=0) buf.append('r'); | |
80 | else buf.append('-'); | |
81 | ||
82 | if((permissions & S_IWUSR)!=0) buf.append('w'); | |
83 | else buf.append('-'); | |
84 | ||
85 | if((permissions & S_ISUID)!=0) buf.append('s'); | |
86 | else if ((permissions & S_IXUSR)!=0) buf.append('x'); | |
87 | else buf.append('-'); | |
88 | ||
89 | if((permissions & S_IRGRP)!=0) buf.append('r'); | |
90 | else buf.append('-'); | |
91 | ||
92 | if((permissions & S_IWGRP)!=0) buf.append('w'); | |
93 | else buf.append('-'); | |
94 | ||
95 | if((permissions & S_ISGID)!=0) buf.append('s'); | |
96 | else if((permissions & S_IXGRP)!=0) buf.append('x'); | |
97 | else buf.append('-'); | |
98 | ||
99 | if((permissions & S_IROTH) != 0) buf.append('r'); | |
100 | else buf.append('-'); | |
101 | ||
102 | if((permissions & S_IWOTH) != 0) buf.append('w'); | |
103 | else buf.append('-'); | |
104 | ||
105 | if((permissions & S_IXOTH) != 0) buf.append('x'); | |
106 | else buf.append('-'); | |
107 | return (buf.toString()); | |
108 | } | |
109 | ||
110 | public String getAtimeString(){ | |
111 | SimpleDateFormat locale=new SimpleDateFormat(); | |
112 | return (locale.format(new Date(atime))); | |
113 | } | |
114 | ||
115 | public String getMtimeString(){ | |
116 | Date date= new Date(((long)mtime)*1000); | |
117 | return (date.toString()); | |
118 | } | |
119 | ||
120 | public static final int SSH_FILEXFER_ATTR_SIZE= 0x00000001; | |
121 | public static final int SSH_FILEXFER_ATTR_UIDGID= 0x00000002; | |
122 | public static final int SSH_FILEXFER_ATTR_PERMISSIONS= 0x00000004; | |
123 | public static final int SSH_FILEXFER_ATTR_ACMODTIME= 0x00000008; | |
124 | public static final int SSH_FILEXFER_ATTR_EXTENDED= 0x80000000; | |
125 | ||
126 | static final int S_IFDIR=0x4000; | |
127 | static final int S_IFLNK=0xa000; | |
128 | ||
129 | int flags=0; | |
130 | long size; | |
131 | int uid; | |
132 | int gid; | |
133 | int permissions; | |
134 | int atime; | |
135 | int mtime; | |
136 | String[] extended=null; | |
137 | ||
138 | private SftpATTRS(){ | |
139 | } | |
140 | ||
141 | static SftpATTRS getATTR(Buffer buf){ | |
142 | SftpATTRS attr=new SftpATTRS(); | |
143 | attr.flags=buf.getInt(); | |
144 | if((attr.flags&SSH_FILEXFER_ATTR_SIZE)!=0){ attr.size=buf.getLong(); } | |
145 | if((attr.flags&SSH_FILEXFER_ATTR_UIDGID)!=0){ | |
146 | attr.uid=buf.getInt(); attr.gid=buf.getInt(); | |
147 | } | |
148 | if((attr.flags&SSH_FILEXFER_ATTR_PERMISSIONS)!=0){ | |
149 | attr.permissions=buf.getInt(); | |
150 | } | |
151 | if((attr.flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ | |
152 | attr.atime=buf.getInt(); | |
153 | } | |
154 | if((attr.flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ | |
155 | attr.mtime=buf.getInt(); | |
156 | } | |
157 | if((attr.flags&SSH_FILEXFER_ATTR_EXTENDED)!=0){ | |
158 | int count=buf.getInt(); | |
159 | if(count>0){ | |
160 | attr.extended=new String[count*2]; | |
161 | for(int i=0; i<count; i++){ | |
162 | attr.extended[i*2]=Util.byte2str(buf.getString()); | |
163 | attr.extended[i*2+1]=Util.byte2str(buf.getString()); | |
164 | } | |
165 | } | |
166 | } | |
167 | return attr; | |
168 | } | |
169 | ||
170 | int length(){ | |
171 | int len=4; | |
172 | ||
173 | if((flags&SSH_FILEXFER_ATTR_SIZE)!=0){ len+=8; } | |
174 | if((flags&SSH_FILEXFER_ATTR_UIDGID)!=0){ len+=8; } | |
175 | if((flags&SSH_FILEXFER_ATTR_PERMISSIONS)!=0){ len+=4; } | |
176 | if((flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ len+=8; } | |
177 | if((flags&SSH_FILEXFER_ATTR_EXTENDED)!=0){ | |
178 | len+=4; | |
179 | int count=extended.length/2; | |
180 | if(count>0){ | |
181 | for(int i=0; i<count; i++){ | |
182 | len+=4; len+=extended[i*2].length(); | |
183 | len+=4; len+=extended[i*2+1].length(); | |
184 | } | |
185 | } | |
186 | } | |
187 | return len; | |
188 | } | |
189 | ||
190 | void dump(Buffer buf){ | |
191 | buf.putInt(flags); | |
192 | if((flags&SSH_FILEXFER_ATTR_SIZE)!=0){ buf.putLong(size); } | |
193 | if((flags&SSH_FILEXFER_ATTR_UIDGID)!=0){ | |
194 | buf.putInt(uid); buf.putInt(gid); | |
195 | } | |
196 | if((flags&SSH_FILEXFER_ATTR_PERMISSIONS)!=0){ | |
197 | buf.putInt(permissions); | |
198 | } | |
199 | if((flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ buf.putInt(atime); } | |
200 | if((flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0){ buf.putInt(mtime); } | |
201 | if((flags&SSH_FILEXFER_ATTR_EXTENDED)!=0){ | |
202 | int count=extended.length/2; | |
203 | if(count>0){ | |
204 | for(int i=0; i<count; i++){ | |
205 | buf.putString(Util.str2byte(extended[i*2])); | |
206 | buf.putString(Util.str2byte(extended[i*2+1])); | |
207 | } | |
208 | } | |
209 | } | |
210 | } | |
211 | void setFLAGS(int flags){ | |
212 | this.flags=flags; | |
213 | } | |
214 | public void setSIZE(long size){ | |
215 | flags|=SSH_FILEXFER_ATTR_SIZE; | |
216 | this.size=size; | |
217 | } | |
218 | public void setUIDGID(int uid, int gid){ | |
219 | flags|=SSH_FILEXFER_ATTR_UIDGID; | |
220 | this.uid=uid; | |
221 | this.gid=gid; | |
222 | } | |
223 | public void setACMODTIME(int atime, int mtime){ | |
224 | flags|=SSH_FILEXFER_ATTR_ACMODTIME; | |
225 | this.atime=atime; | |
226 | this.mtime=mtime; | |
227 | } | |
228 | public void setPERMISSIONS(int permissions){ | |
229 | flags|=SSH_FILEXFER_ATTR_PERMISSIONS; | |
230 | permissions=(this.permissions&~pmask)|(permissions&pmask); | |
231 | this.permissions=permissions; | |
232 | } | |
233 | ||
234 | public boolean isDir(){ | |
235 | return ((flags&SSH_FILEXFER_ATTR_PERMISSIONS)!=0 && | |
236 | ((permissions&S_IFDIR)==S_IFDIR)); | |
237 | } | |
238 | public boolean isLink(){ | |
239 | return ((flags&SSH_FILEXFER_ATTR_PERMISSIONS)!=0 && | |
240 | ((permissions&S_IFLNK)==S_IFLNK)); | |
241 | } | |
242 | public int getFlags() { return flags; } | |
243 | public long getSize() { return size; } | |
244 | public int getUId() { return uid; } | |
245 | public int getGId() { return gid; } | |
246 | public int getPermissions() { return permissions; } | |
247 | public int getATime() { return atime; } | |
248 | public int getMTime() { return mtime; } | |
249 | public String[] getExtended() { return extended; } | |
250 | ||
251 | public String toString() { | |
252 | return (getPermissionsString()+" "+getUId()+" "+getGId()+" "+getSize()+" "+getMtimeString()); | |
253 | } | |
254 | /* | |
255 | public String toString(){ | |
256 | return (((flags&SSH_FILEXFER_ATTR_SIZE)!=0) ? ("size:"+size+" ") : "")+ | |
257 | (((flags&SSH_FILEXFER_ATTR_UIDGID)!=0) ? ("uid:"+uid+",gid:"+gid+" ") : "")+ | |
258 | (((flags&SSH_FILEXFER_ATTR_PERMISSIONS)!=0) ? ("permissions:0x"+Integer.toHexString(permissions)+" ") : "")+ | |
259 | (((flags&SSH_FILEXFER_ATTR_ACMODTIME)!=0) ? ("atime:"+atime+",mtime:"+mtime+" ") : "")+ | |
260 | (((flags&SSH_FILEXFER_ATTR_EXTENDED)!=0) ? ("extended:?"+" ") : ""); | |
261 | } | |
262 | */ | |
263 | } |