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.
30 #include <sys/types.h>
32 #include <sys/param.h>
50 #include "sftp-common.h"
52 /* Clear contents of attributes structure */
54 attrib_clear(Attrib *a)
65 /* Convert from struct stat to filexfer attribs */
67 stat_to_attrib(const struct stat *st, Attrib *a)
71 a->flags |= SSH2_FILEXFER_ATTR_SIZE;
72 a->size = st->st_size;
73 a->flags |= SSH2_FILEXFER_ATTR_UIDGID;
76 a->flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
77 a->perm = st->st_mode;
78 a->flags |= SSH2_FILEXFER_ATTR_ACMODTIME;
79 a->atime = st->st_atime;
80 a->mtime = st->st_mtime;
83 /* Convert from filexfer attribs to struct stat */
85 attrib_to_stat(const Attrib *a, struct stat *st)
87 memset(st, 0, sizeof(*st));
89 if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
90 st->st_size = a->size;
91 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
95 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
96 st->st_mode = a->perm;
97 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
98 st->st_atime = a->atime;
99 st->st_mtime = a->mtime;
103 /* Decode attributes in buffer */
105 decode_attrib(Buffer *b)
110 a.flags = buffer_get_int(b);
111 if (a.flags & SSH2_FILEXFER_ATTR_SIZE)
112 a.size = buffer_get_int64(b);
113 if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) {
114 a.uid = buffer_get_int(b);
115 a.gid = buffer_get_int(b);
117 if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
118 a.perm = buffer_get_int(b);
119 if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
120 a.atime = buffer_get_int(b);
121 a.mtime = buffer_get_int(b);
123 /* vendor-specific extensions */
124 if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) {
128 count = buffer_get_int(b);
129 for (i = 0; i < count; i++) {
130 type = buffer_get_string(b, NULL);
131 data = buffer_get_string(b, NULL);
132 debug3("Got file attribute \"%s\"", type);
140 /* Encode attributes to buffer */
142 encode_attrib(Buffer *b, const Attrib *a)
144 buffer_put_int(b, a->flags);
145 if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
146 buffer_put_int64(b, a->size);
147 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
148 buffer_put_int(b, a->uid);
149 buffer_put_int(b, a->gid);
151 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
152 buffer_put_int(b, a->perm);
153 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
154 buffer_put_int(b, a->atime);
155 buffer_put_int(b, a->mtime);
159 /* Convert from SSH2_FX_ status to text error message */
167 return("End of file");
168 case SSH2_FX_NO_SUCH_FILE:
169 return("No such file or directory");
170 case SSH2_FX_PERMISSION_DENIED:
171 return("Permission denied");
172 case SSH2_FX_FAILURE:
174 case SSH2_FX_BAD_MESSAGE:
175 return("Bad message");
176 case SSH2_FX_NO_CONNECTION:
177 return("No connection");
178 case SSH2_FX_CONNECTION_LOST:
179 return("Connection lost");
180 case SSH2_FX_OP_UNSUPPORTED:
181 return("Operation unsupported");
183 return("Unknown status");
189 * drwxr-xr-x 5 markus markus 1024 Jan 13 18:39 .ssh
192 ls_file(const char *name, const struct stat *st, int remote, int si_units)
194 int ulen, glen, sz = 0;
195 struct tm *ltime = localtime(&st->st_mtime);
196 const char *user, *group;
197 char buf[1024], mode[11+1], tbuf[12+1], ubuf[11+1], gbuf[11+1];
198 char sbuf[FMT_SCALED_STRSIZE];
201 strmode(st->st_mode, mode);
203 user = user_from_uid(st->st_uid, 0);
205 snprintf(ubuf, sizeof ubuf, "%u", (u_int)st->st_uid);
209 group = group_from_gid(st->st_gid, 0);
211 snprintf(gbuf, sizeof gbuf, "%u", (u_int)st->st_gid);
216 if (now - (365*24*60*60)/2 < st->st_mtime &&
218 sz = strftime(tbuf, sizeof tbuf, "%b %e %H:%M", ltime);
220 sz = strftime(tbuf, sizeof tbuf, "%b %e %Y", ltime);
224 ulen = MAX(strlen(user), 8);
225 glen = MAX(strlen(group), 8);
227 fmt_scaled((long long)st->st_size, sbuf);
228 snprintf(buf, sizeof buf, "%s %3u %-*s %-*s %8s %s %s", mode,
229 (u_int)st->st_nlink, ulen, user, glen, group,
232 snprintf(buf, sizeof buf, "%s %3u %-*s %-*s %8llu %s %s", mode,
233 (u_int)st->st_nlink, ulen, user, glen, group,
234 (unsigned long long)st->st_size, tbuf, name);