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