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3c0ef626 | 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" | |
416fd2a8 | 26 | RCSID("$OpenBSD: uuencode.c,v 1.17 2003/11/10 16:23:41 jakob Exp $"); |
e54b3d7c | 27 | |
3c0ef626 | 28 | #include "xmalloc.h" |
29 | #include "uuencode.h" | |
3c0ef626 | 30 | |
31 | int | |
416fd2a8 | 32 | uuencode(const u_char *src, u_int srclength, |
3c0ef626 | 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 | ; | |
e9a17296 | 51 | /* and remove trailing whitespace because __b64_pton needs this */ |
3c0ef626 | 52 | *p = '\0'; |
53 | len = __b64_pton(encoded, target, targsize); | |
54 | xfree(encoded); | |
55 | return len; | |
56 | } | |
57 | ||
58 | void | |
e9a17296 | 59 | dump_base64(FILE *fp, u_char *data, u_int len) |
3c0ef626 | 60 | { |
e54b3d7c | 61 | char *buf = xmalloc(2*len); |
3c0ef626 | 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 | } |