Annotation of src/usr.bin/ssh/sftp-common.c, Revision 1.5.2.1
1.1 djm 1: /*
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"
1.5.2.1 ! jason 27: RCSID("$OpenBSD: sftp-common.c,v 1.6 2002/06/23 09:30:14 deraadt Exp $");
1.1 djm 28:
29: #include "buffer.h"
30: #include "bufaux.h"
31: #include "log.h"
32: #include "xmalloc.h"
33:
34: #include "sftp.h"
35: #include "sftp-common.h"
36:
1.3 markus 37: /* Clear contents of attributes structure */
1.1 djm 38: void
39: attrib_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:
1.3 markus 50: /* Convert from struct stat to filexfer attribs */
1.1 djm 51: void
52: stat_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:
1.3 markus 68: /* Decode attributes in buffer */
1.1 djm 69: Attrib *
70: decode_attrib(Buffer *b)
71: {
72: static Attrib a;
1.5.2.1 ! jason 73:
1.1 djm 74: attrib_clear(&a);
75: a.flags = buffer_get_int(b);
76: if (a.flags & SSH2_FILEXFER_ATTR_SIZE)
77: a.size = buffer_get_int64(b);
78: if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) {
79: a.uid = buffer_get_int(b);
80: a.gid = buffer_get_int(b);
81: }
82: if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
83: a.perm = buffer_get_int(b);
84: if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
85: a.atime = buffer_get_int(b);
86: a.mtime = buffer_get_int(b);
87: }
88: /* vendor-specific extensions */
89: if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) {
90: char *type, *data;
91: int i, count;
1.5.2.1 ! jason 92:
1.1 djm 93: count = buffer_get_int(b);
94: for (i = 0; i < count; i++) {
95: type = buffer_get_string(b, NULL);
96: data = buffer_get_string(b, NULL);
97: debug3("Got file attribute \"%s\"", type);
98: xfree(type);
99: xfree(data);
100: }
101: }
102: return &a;
103: }
104:
1.3 markus 105: /* Encode attributes to buffer */
1.1 djm 106: void
107: encode_attrib(Buffer *b, Attrib *a)
108: {
109: buffer_put_int(b, a->flags);
110: if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
111: buffer_put_int64(b, a->size);
112: if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
113: buffer_put_int(b, a->uid);
114: buffer_put_int(b, a->gid);
115: }
116: if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
117: buffer_put_int(b, a->perm);
118: if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
119: buffer_put_int(b, a->atime);
120: buffer_put_int(b, a->mtime);
121: }
122: }
123:
1.3 markus 124: /* Convert from SSH2_FX_ status to text error message */
1.1 djm 125: const char *
126: fx2txt(int status)
127: {
128: switch (status) {
129: case SSH2_FX_OK:
1.2 markus 130: return("No error");
1.1 djm 131: case SSH2_FX_EOF:
1.2 markus 132: return("End of file");
1.1 djm 133: case SSH2_FX_NO_SUCH_FILE:
1.2 markus 134: return("No such file or directory");
1.1 djm 135: case SSH2_FX_PERMISSION_DENIED:
1.2 markus 136: return("Permission denied");
1.1 djm 137: case SSH2_FX_FAILURE:
138: return("Failure");
139: case SSH2_FX_BAD_MESSAGE:
140: return("Bad message");
141: case SSH2_FX_NO_CONNECTION:
142: return("No connection");
143: case SSH2_FX_CONNECTION_LOST:
144: return("Connection lost");
145: case SSH2_FX_OP_UNSUPPORTED:
146: return("Operation unsupported");
147: default:
148: return("Unknown status");
1.5 deraadt 149: }
1.1 djm 150: /* NOTREACHED */
151: }
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