1 | /* |
---|
2 | * Copyright (c) 2000 Markus Friedl. All rights reserved. |
---|
3 | * |
---|
4 | * Redistribution and use in source and binary forms, with or without |
---|
5 | * modification, are permitted provided that the following conditions |
---|
6 | * are met: |
---|
7 | * 1. Redistributions of source code must retain the above copyright |
---|
8 | * notice, this list of conditions and the following disclaimer. |
---|
9 | * 2. Redistributions in binary form must reproduce the above copyright |
---|
10 | * notice, this list of conditions and the following disclaimer in the |
---|
11 | * documentation and/or other materials provided with the distribution. |
---|
12 | * |
---|
13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
---|
14 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
---|
15 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
---|
16 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
---|
17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
---|
18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
---|
19 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
---|
20 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
---|
21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
---|
22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
---|
23 | */ |
---|
24 | |
---|
25 | #include "includes.h" |
---|
26 | RCSID("$OpenBSD: uuencode.c,v 1.16 2002/09/09 14:54:15 markus Exp $"); |
---|
27 | |
---|
28 | #include "xmalloc.h" |
---|
29 | #include "uuencode.h" |
---|
30 | |
---|
31 | int |
---|
32 | uuencode(u_char *src, u_int srclength, |
---|
33 | char *target, size_t targsize) |
---|
34 | { |
---|
35 | return __b64_ntop(src, srclength, target, targsize); |
---|
36 | } |
---|
37 | |
---|
38 | int |
---|
39 | uudecode(const char *src, u_char *target, size_t targsize) |
---|
40 | { |
---|
41 | int len; |
---|
42 | char *encoded, *p; |
---|
43 | |
---|
44 | /* copy the 'readonly' source */ |
---|
45 | encoded = xstrdup(src); |
---|
46 | /* skip whitespace and data */ |
---|
47 | for (p = encoded; *p == ' ' || *p == '\t'; p++) |
---|
48 | ; |
---|
49 | for (; *p != '\0' && *p != ' ' && *p != '\t'; p++) |
---|
50 | ; |
---|
51 | /* and remove trailing whitespace because __b64_pton needs this */ |
---|
52 | *p = '\0'; |
---|
53 | len = __b64_pton(encoded, target, targsize); |
---|
54 | xfree(encoded); |
---|
55 | return len; |
---|
56 | } |
---|
57 | |
---|
58 | void |
---|
59 | dump_base64(FILE *fp, u_char *data, u_int len) |
---|
60 | { |
---|
61 | char *buf = xmalloc(2*len); |
---|
62 | int i, n; |
---|
63 | |
---|
64 | n = uuencode(data, len, buf, 2*len); |
---|
65 | for (i = 0; i < n; i++) { |
---|
66 | fprintf(fp, "%c", buf[i]); |
---|
67 | if (i % 70 == 69) |
---|
68 | fprintf(fp, "\n"); |
---|
69 | } |
---|
70 | if (i % 70 != 69) |
---|
71 | fprintf(fp, "\n"); |
---|
72 | xfree(buf); |
---|
73 | } |
---|