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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" | |
27 | RCSID("$OpenBSD: sftp-common.c,v 1.2 2001/02/06 23:50:10 markus Exp $"); | |
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 | ||
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 | ||
50 | void | |
51 | stat_to_attrib(struct stat *st, Attrib *a) | |
52 | { | |
53 | attrib_clear(a); | |
54 | a->flags = 0; | |
55 | a->flags |= SSH2_FILEXFER_ATTR_SIZE; | |
56 | a->size = st->st_size; | |
57 | a->flags |= SSH2_FILEXFER_ATTR_UIDGID; | |
58 | a->uid = st->st_uid; | |
59 | a->gid = st->st_gid; | |
60 | a->flags |= SSH2_FILEXFER_ATTR_PERMISSIONS; | |
61 | a->perm = st->st_mode; | |
62 | a->flags |= SSH2_FILEXFER_ATTR_ACMODTIME; | |
63 | a->atime = st->st_atime; | |
64 | a->mtime = st->st_mtime; | |
65 | } | |
66 | ||
67 | Attrib * | |
68 | decode_attrib(Buffer *b) | |
69 | { | |
70 | static Attrib a; | |
71 | attrib_clear(&a); | |
72 | a.flags = buffer_get_int(b); | |
73 | if (a.flags & SSH2_FILEXFER_ATTR_SIZE) | |
74 | a.size = buffer_get_int64(b); | |
75 | if (a.flags & SSH2_FILEXFER_ATTR_UIDGID) { | |
76 | a.uid = buffer_get_int(b); | |
77 | a.gid = buffer_get_int(b); | |
78 | } | |
79 | if (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS) | |
80 | a.perm = buffer_get_int(b); | |
81 | if (a.flags & SSH2_FILEXFER_ATTR_ACMODTIME) { | |
82 | a.atime = buffer_get_int(b); | |
83 | a.mtime = buffer_get_int(b); | |
84 | } | |
85 | /* vendor-specific extensions */ | |
86 | if (a.flags & SSH2_FILEXFER_ATTR_EXTENDED) { | |
87 | char *type, *data; | |
88 | int i, count; | |
89 | count = buffer_get_int(b); | |
90 | for (i = 0; i < count; i++) { | |
91 | type = buffer_get_string(b, NULL); | |
92 | data = buffer_get_string(b, NULL); | |
93 | debug3("Got file attribute \"%s\"", type); | |
94 | xfree(type); | |
95 | xfree(data); | |
96 | } | |
97 | } | |
98 | return &a; | |
99 | } | |
100 | ||
101 | void | |
102 | encode_attrib(Buffer *b, Attrib *a) | |
103 | { | |
104 | buffer_put_int(b, a->flags); | |
105 | if (a->flags & SSH2_FILEXFER_ATTR_SIZE) | |
106 | buffer_put_int64(b, a->size); | |
107 | if (a->flags & SSH2_FILEXFER_ATTR_UIDGID) { | |
108 | buffer_put_int(b, a->uid); | |
109 | buffer_put_int(b, a->gid); | |
110 | } | |
111 | if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) | |
112 | buffer_put_int(b, a->perm); | |
113 | if (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME) { | |
114 | buffer_put_int(b, a->atime); | |
115 | buffer_put_int(b, a->mtime); | |
116 | } | |
117 | } | |
118 | ||
119 | const char * | |
120 | fx2txt(int status) | |
121 | { | |
122 | switch (status) { | |
123 | case SSH2_FX_OK: | |
124 | return("No error"); | |
125 | case SSH2_FX_EOF: | |
126 | return("End of file"); | |
127 | case SSH2_FX_NO_SUCH_FILE: | |
128 | return("No such file or directory"); | |
129 | case SSH2_FX_PERMISSION_DENIED: | |
130 | return("Permission denied"); | |
131 | case SSH2_FX_FAILURE: | |
132 | return("Failure"); | |
133 | case SSH2_FX_BAD_MESSAGE: | |
134 | return("Bad message"); | |
135 | case SSH2_FX_NO_CONNECTION: | |
136 | return("No connection"); | |
137 | case SSH2_FX_CONNECTION_LOST: | |
138 | return("Connection lost"); | |
139 | case SSH2_FX_OP_UNSUPPORTED: | |
140 | return("Operation unsupported"); | |
141 | default: | |
142 | return("Unknown status"); | |
143 | }; | |
144 | /* NOTREACHED */ | |
145 | } | |
146 |