1 /* $OpenBSD: sftp-common.c,v 1.17 2006/07/22 20:48:23 stevesk 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>
43 #include "sftp-common.h"
45 /* Clear contents of attributes structure */
47 attrib_clear(Attrib *a)
58 /* Convert from struct stat to filexfer attribs */
60 stat_to_attrib(const struct stat *st, Attrib *a)
64 a->flags |= SSH2_FILEXFER_ATTR_SIZE;
65 a->size = st->st_size;
66 a->flags |= SSH2_FILEXFER_ATTR_UIDGID;
69 a->flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
70 a->perm = st->st_mode;
71 a->flags |= SSH2_FILEXFER_ATTR_ACMODTIME;
72 a->atime = st->st_atime;
73 a->mtime = st->st_mtime;
76 /* Convert from filexfer attribs to struct stat */
78 attrib_to_stat(const Attrib *a, struct stat *st)
80 memset(st, 0, sizeof(*st));
82 if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
83 st->st_size = a->size;
84 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
88 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
89 st->st_mode = a->perm;
90 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
91 st->st_atime = a->atime;
92 st->st_mtime = a->mtime;
96 /* Decode attributes in buffer */
98 decode_attrib(Buffer *b)
103 a.flags = buffer_get_int(b);
104 if (a.flags & SSH2_FILEXFER_ATTR_SIZE)
105 a.size = buffer_get_int64(b);
106 if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) {
107 a.uid = buffer_get_int(b);
108 a.gid = buffer_get_int(b);
110 if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
111 a.perm = buffer_get_int(b);
112 if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
113 a.atime = buffer_get_int(b);
114 a.mtime = buffer_get_int(b);
116 /* vendor-specific extensions */
117 if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) {
121 count = buffer_get_int(b);
122 for (i = 0; i < count; i++) {
123 type = buffer_get_string(b, NULL);
124 data = buffer_get_string(b, NULL);
125 debug3("Got file attribute \"%s\"", type);
133 /* Encode attributes to buffer */
135 encode_attrib(Buffer *b, const Attrib *a)
137 buffer_put_int(b, a->flags);
138 if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
139 buffer_put_int64(b, a->size);
140 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
141 buffer_put_int(b, a->uid);
142 buffer_put_int(b, a->gid);
144 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
145 buffer_put_int(b, a->perm);
146 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
147 buffer_put_int(b, a->atime);
148 buffer_put_int(b, a->mtime);
152 /* Convert from SSH2_FX_ status to text error message */
160 return("End of file");
161 case SSH2_FX_NO_SUCH_FILE:
162 return("No such file or directory");
163 case SSH2_FX_PERMISSION_DENIED:
164 return("Permission denied");
165 case SSH2_FX_FAILURE:
167 case SSH2_FX_BAD_MESSAGE:
168 return("Bad message");
169 case SSH2_FX_NO_CONNECTION:
170 return("No connection");
171 case SSH2_FX_CONNECTION_LOST:
172 return("Connection lost");
173 case SSH2_FX_OP_UNSUPPORTED:
174 return("Operation unsupported");
176 return("Unknown status");
182 * drwxr-xr-x 5 markus markus 1024 Jan 13 18:39 .ssh
185 ls_file(const char *name, const struct stat *st, int remote)
187 int ulen, glen, sz = 0;
190 struct tm *ltime = localtime(&st->st_mtime);
192 char buf[1024], mode[11+1], tbuf[12+1], ubuf[11+1], gbuf[11+1];
194 strmode(st->st_mode, mode);
195 if (!remote && (pw = getpwuid(st->st_uid)) != NULL) {
198 snprintf(ubuf, sizeof ubuf, "%u", (u_int)st->st_uid);
201 if (!remote && (gr = getgrgid(st->st_gid)) != NULL) {
204 snprintf(gbuf, sizeof gbuf, "%u", (u_int)st->st_gid);
208 if (time(NULL) - st->st_mtime < (365*24*60*60)/2)
209 sz = strftime(tbuf, sizeof tbuf, "%b %e %H:%M", ltime);
211 sz = strftime(tbuf, sizeof tbuf, "%b %e %Y", ltime);
215 ulen = MAX(strlen(user), 8);
216 glen = MAX(strlen(group), 8);
217 snprintf(buf, sizeof buf, "%s %3u %-*s %-*s %8llu %s %s", mode,
218 (u_int)st->st_nlink, ulen, user, glen, group,
219 (unsigned long long)st->st_size, tbuf, name);