Annotation of src/usr.bin/ssh/sftp-common.c, Revision 1.3
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"
1.3 ! markus 27: RCSID("$OpenBSD: sftp-common.c,v 1.2 2001/02/06 23:50:10 markus Exp $");
1.1 djm 28:
29: #include "buffer.h"
30: #include "bufaux.h"
31: #include "getput.h"
32: #include "log.h"
33: #include "xmalloc.h"
34:
35: #include "sftp.h"
36: #include "sftp-common.h"
37:
1.3 ! markus 38: /* Clear contents of attributes structure */
1.1 djm 39: void
40: attrib_clear(Attrib *a)
41: {
42: a->flags = 0;
43: a->size = 0;
44: a->uid = 0;
45: a->gid = 0;
46: a->perm = 0;
47: a->atime = 0;
48: a->mtime = 0;
49: }
50:
1.3 ! markus 51: /* Convert from struct stat to filexfer attribs */
1.1 djm 52: void
53: stat_to_attrib(struct stat *st, Attrib *a)
54: {
55: attrib_clear(a);
56: a->flags = 0;
57: a->flags |= SSH2_FILEXFER_ATTR_SIZE;
58: a->size = st->st_size;
59: a->flags |= SSH2_FILEXFER_ATTR_UIDGID;
60: a->uid = st->st_uid;
61: a->gid = st->st_gid;
62: a->flags |= SSH2_FILEXFER_ATTR_PERMISSIONS;
63: a->perm = st->st_mode;
64: a->flags |= SSH2_FILEXFER_ATTR_ACMODTIME;
65: a->atime = st->st_atime;
66: a->mtime = st->st_mtime;
67: }
68:
1.3 ! markus 69: /* Decode attributes in buffer */
1.1 djm 70: Attrib *
71: decode_attrib(Buffer *b)
72: {
73: static Attrib a;
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;
92: count = buffer_get_int(b);
93: for (i = 0; i < count; i++) {
94: type = buffer_get_string(b, NULL);
95: data = buffer_get_string(b, NULL);
96: debug3("Got file attribute \"%s\"", type);
97: xfree(type);
98: xfree(data);
99: }
100: }
101: return &a;
102: }
103:
1.3 ! markus 104: /* Encode attributes to buffer */
1.1 djm 105: void
106: encode_attrib(Buffer *b, Attrib *a)
107: {
108: buffer_put_int(b, a->flags);
109: if (a->flags & SSH2_FILEXFER_ATTR_SIZE)
110: buffer_put_int64(b, a->size);
111: if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) {
112: buffer_put_int(b, a->uid);
113: buffer_put_int(b, a->gid);
114: }
115: if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
116: buffer_put_int(b, a->perm);
117: if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) {
118: buffer_put_int(b, a->atime);
119: buffer_put_int(b, a->mtime);
120: }
121: }
122:
1.3 ! markus 123: /* Convert from SSH2_FX_ status to text error message */
1.1 djm 124: const char *
125: fx2txt(int status)
126: {
127: switch (status) {
128: case SSH2_FX_OK:
1.2 markus 129: return("No error");
1.1 djm 130: case SSH2_FX_EOF:
1.2 markus 131: return("End of file");
1.1 djm 132: case SSH2_FX_NO_SUCH_FILE:
1.2 markus 133: return("No such file or directory");
1.1 djm 134: case SSH2_FX_PERMISSION_DENIED:
1.2 markus 135: return("Permission denied");
1.1 djm 136: case SSH2_FX_FAILURE:
137: return("Failure");
138: case SSH2_FX_BAD_MESSAGE:
139: return("Bad message");
140: case SSH2_FX_NO_CONNECTION:
141: return("No connection");
142: case SSH2_FX_CONNECTION_LOST:
143: return("Connection lost");
144: case SSH2_FX_OP_UNSUPPORTED:
145: return("Operation unsupported");
146: default:
147: return("Unknown status");
148: };
149: /* NOTREACHED */
150: }
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