blob: 4fb4496555cebfc9ac3f90c498d7602e98b9bf45 [file] [log] [blame]
Damien Miller33804262001-02-04 23:20:18 +11001/*
2 * Copyright (c) 2001 Markus Friedl. All rights reserved.
3 * Copyright (c) 2001 Damien Miller. 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
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "includes.h"
Ben Lindstromd05487d2001-12-06 17:50:03 +000027RCSID("$OpenBSD: sftp-common.c,v 1.5 2001/12/02 02:08:32 deraadt Exp $");
Damien Miller33804262001-02-04 23:20:18 +110028
29#include "buffer.h"
30#include "bufaux.h"
Damien Miller33804262001-02-04 23:20:18 +110031#include "log.h"
32#include "xmalloc.h"
33
34#include "sftp.h"
35#include "sftp-common.h"
36
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000037/* Clear contents of attributes structure */
Damien Miller33804262001-02-04 23:20:18 +110038void
39attrib_clear(Attrib *a)
40{
41 a->flags = 0;
42 a->size = 0;
43 a->uid = 0;
44 a->gid = 0;
45 a->perm = 0;
46 a->atime = 0;
47 a->mtime = 0;
48}
49
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000050/* Convert from struct stat to filexfer attribs */
Damien Miller33804262001-02-04 23:20:18 +110051void
52stat_to_attrib(struct stat *st, Attrib *a)
53{
54 attrib_clear(a);
55 a->flags = 0;
56 a->flags |= SSH2_FILEXFER_ATTR_SIZE;
57 a->size = st->st_size;
58 a->flags |= SSH2_FILEXFER_ATTR_UIDGID;
59 a->uid = st->st_uid;
60 a->gid = st->st_gid;
61 a->flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
62 a->perm = st->st_mode;
63 a->flags |= SSH2_FILEXFER_ATTR_ACMODTIME;
64 a->atime = st->st_atime;
65 a->mtime = st->st_mtime;
66}
67
Ben Lindstrom4cc240d2001-07-04 04:46:56 +000068/* Decode attributes in buffer */
Damien Miller33804262001-02-04 23:20:18 +110069Attrib *
70decode_attrib(Buffer *b)
71{
72 static Attrib a;
73 attrib_clear(&a);
74 a.flags = buffer_get_int(b);
75 if (a.flags & SSH2_FILEXFER_ATTR_SIZE)
76 a.size = buffer_get_int64(b);
77 if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) {
78 a.uid = buffer_get_int(b);
79 a.gid = buffer_get_int(b);
80 }
81 if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
82 a.perm = buffer_get_int(b);
83 if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
84 a.atime = buffer_get_int(b);
85 a.mtime = buffer_get_int(b);
86 }
87 /* vendor-specific extensions */
88 if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) {
89 char *type, *data;
90 int i, count;
91 count = buffer_get_int(b);
92 for (i = 0; i < count; i++) {
93 type = buffer_get_string(b, NULL);
94 data = buffer_get_string(b, NULL);
95 debug3("Got file attribute \"%s\"", type);
96 xfree(type);
97 xfree(data);
98 }
99 }
100 return &a;
101}
102
Ben Lindstrom4cc240d2001-07-04 04:46:56 +0000103/* Encode attributes to buffer */
Damien Miller33804262001-02-04 23:20:18 +1100104void
105encode_attrib(Buffer *b, Attrib *a)
106{
107 buffer_put_int(b, a->flags);
108 if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
109 buffer_put_int64(b, a->size);
110 if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
111 buffer_put_int(b, a->uid);
112 buffer_put_int(b, a->gid);
113 }
114 if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
115 buffer_put_int(b, a->perm);
116 if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
117 buffer_put_int(b, a->atime);
118 buffer_put_int(b, a->mtime);
119 }
120}
121
Ben Lindstrom4cc240d2001-07-04 04:46:56 +0000122/* Convert from SSH2_FX_ status to text error message */
Damien Miller33804262001-02-04 23:20:18 +1100123const char *
124fx2txt(int status)
125{
126 switch (status) {
127 case SSH2_FX_OK:
Damien Millerd7686fd2001-02-10 00:40:03 +1100128 return("No error");
Damien Miller33804262001-02-04 23:20:18 +1100129 case SSH2_FX_EOF:
Damien Millerd7686fd2001-02-10 00:40:03 +1100130 return("End of file");
Damien Miller33804262001-02-04 23:20:18 +1100131 case SSH2_FX_NO_SUCH_FILE:
Damien Millerd7686fd2001-02-10 00:40:03 +1100132 return("No such file or directory");
Damien Miller33804262001-02-04 23:20:18 +1100133 case SSH2_FX_PERMISSION_DENIED:
Damien Millerd7686fd2001-02-10 00:40:03 +1100134 return("Permission denied");
Damien Miller33804262001-02-04 23:20:18 +1100135 case SSH2_FX_FAILURE:
136 return("Failure");
137 case SSH2_FX_BAD_MESSAGE:
138 return("Bad message");
139 case SSH2_FX_NO_CONNECTION:
140 return("No connection");
141 case SSH2_FX_CONNECTION_LOST:
142 return("Connection lost");
143 case SSH2_FX_OP_UNSUPPORTED:
144 return("Operation unsupported");
145 default:
146 return("Unknown status");
Ben Lindstromd05487d2001-12-06 17:50:03 +0000147 }
Damien Miller33804262001-02-04 23:20:18 +1100148 /* NOTREACHED */
149}