1 /* $OpenBSD: sftp-common.c,v 1.26 2014/01/09 03:26:00 guenther Exp $ */
3 * Copyright (c) 2001 Markus Friedl. All rights reserved.
4 * Copyright (c) 2001 Damien Miller. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #include <sys/types.h>
31 #include <sys/param.h>
49 #include "sftp-common.h"
51 /* Clear contents of attributes structure */
53 attrib_clear(Attrib
*a
)
64 /* Convert from struct stat to filexfer attribs */
66 stat_to_attrib(const struct stat
*st
, Attrib
*a
)
70 a
->flags
|= SSH2_FILEXFER_ATTR_SIZE
;
71 a
->size
= st
->st_size
;
72 a
->flags
|= SSH2_FILEXFER_ATTR_UIDGID
;
75 a
->flags
|= SSH2_FILEXFER_ATTR_PERMISSIONS
;
76 a
->perm
= st
->st_mode
;
77 a
->flags
|= SSH2_FILEXFER_ATTR_ACMODTIME
;
78 a
->atime
= st
->st_atime
;
79 a
->mtime
= st
->st_mtime
;
82 /* Convert from filexfer attribs to struct stat */
84 attrib_to_stat(const Attrib
*a
, struct stat
*st
)
86 memset(st
, 0, sizeof(*st
));
88 if (a
->flags
& SSH2_FILEXFER_ATTR_SIZE
)
89 st
->st_size
= a
->size
;
90 if (a
->flags
& SSH2_FILEXFER_ATTR_UIDGID
) {
94 if (a
->flags
& SSH2_FILEXFER_ATTR_PERMISSIONS
)
95 st
->st_mode
= a
->perm
;
96 if (a
->flags
& SSH2_FILEXFER_ATTR_ACMODTIME
) {
97 st
->st_atime
= a
->atime
;
98 st
->st_mtime
= a
->mtime
;
102 /* Decode attributes in buffer */
104 decode_attrib(Buffer
*b
)
109 a
.flags
= buffer_get_int(b
);
110 if (a
.flags
& SSH2_FILEXFER_ATTR_SIZE
)
111 a
.size
= buffer_get_int64(b
);
112 if (a
.flags
& SSH2_FILEXFER_ATTR_UIDGID
) {
113 a
.uid
= buffer_get_int(b
);
114 a
.gid
= buffer_get_int(b
);
116 if (a
.flags
& SSH2_FILEXFER_ATTR_PERMISSIONS
)
117 a
.perm
= buffer_get_int(b
);
118 if (a
.flags
& SSH2_FILEXFER_ATTR_ACMODTIME
) {
119 a
.atime
= buffer_get_int(b
);
120 a
.mtime
= buffer_get_int(b
);
122 /* vendor-specific extensions */
123 if (a
.flags
& SSH2_FILEXFER_ATTR_EXTENDED
) {
127 count
= buffer_get_int(b
);
128 for (i
= 0; i
< count
; i
++) {
129 type
= buffer_get_string(b
, NULL
);
130 data
= buffer_get_string(b
, NULL
);
131 debug3("Got file attribute \"%s\"", type
);
139 /* Encode attributes to buffer */
141 encode_attrib(Buffer
*b
, const Attrib
*a
)
143 buffer_put_int(b
, a
->flags
);
144 if (a
->flags
& SSH2_FILEXFER_ATTR_SIZE
)
145 buffer_put_int64(b
, a
->size
);
146 if (a
->flags
& SSH2_FILEXFER_ATTR_UIDGID
) {
147 buffer_put_int(b
, a
->uid
);
148 buffer_put_int(b
, a
->gid
);
150 if (a
->flags
& SSH2_FILEXFER_ATTR_PERMISSIONS
)
151 buffer_put_int(b
, a
->perm
);
152 if (a
->flags
& SSH2_FILEXFER_ATTR_ACMODTIME
) {
153 buffer_put_int(b
, a
->atime
);
154 buffer_put_int(b
, a
->mtime
);
158 /* Convert from SSH2_FX_ status to text error message */
166 return("End of file");
167 case SSH2_FX_NO_SUCH_FILE
:
168 return("No such file or directory");
169 case SSH2_FX_PERMISSION_DENIED
:
170 return("Permission denied");
171 case SSH2_FX_FAILURE
:
173 case SSH2_FX_BAD_MESSAGE
:
174 return("Bad message");
175 case SSH2_FX_NO_CONNECTION
:
176 return("No connection");
177 case SSH2_FX_CONNECTION_LOST
:
178 return("Connection lost");
179 case SSH2_FX_OP_UNSUPPORTED
:
180 return("Operation unsupported");
182 return("Unknown status");
188 * drwxr-xr-x 5 markus markus 1024 Jan 13 18:39 .ssh
191 ls_file(const char *name
, const struct stat
*st
, int remote
, int si_units
)
193 int ulen
, glen
, sz
= 0;
194 struct tm
*ltime
= localtime(&st
->st_mtime
);
196 char buf
[1024], mode
[11+1], tbuf
[12+1], ubuf
[11+1], gbuf
[11+1];
197 char sbuf
[FMT_SCALED_STRSIZE
];
200 strmode(st
->st_mode
, mode
);
202 user
= user_from_uid(st
->st_uid
, 0);
204 snprintf(ubuf
, sizeof ubuf
, "%u", (u_int
)st
->st_uid
);
208 group
= group_from_gid(st
->st_gid
, 0);
210 snprintf(gbuf
, sizeof gbuf
, "%u", (u_int
)st
->st_gid
);
215 if (now
- (365*24*60*60)/2 < st
->st_mtime
&&
217 sz
= strftime(tbuf
, sizeof tbuf
, "%b %e %H:%M", ltime
);
219 sz
= strftime(tbuf
, sizeof tbuf
, "%b %e %Y", ltime
);
223 ulen
= MAX(strlen(user
), 8);
224 glen
= MAX(strlen(group
), 8);
226 fmt_scaled((long long)st
->st_size
, sbuf
);
227 snprintf(buf
, sizeof buf
, "%s %3u %-*s %-*s %8s %s %s", mode
,
228 (u_int
)st
->st_nlink
, ulen
, user
, glen
, group
,
231 snprintf(buf
, sizeof buf
, "%s %3u %-*s %-*s %8llu %s %s", mode
,
232 (u_int
)st
->st_nlink
, ulen
, user
, glen
, group
,
233 (unsigned long long)st
->st_size
, tbuf
, name
);