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c1cb7bae | 1 | /* $OpenBSD: uuencode.c,v 1.20 2006/03/25 13:17:03 djm Exp $ */ |
a306f2dd | 2 | /* |
1d1ffb87 | 3 | * Copyright (c) 2000 Markus Friedl. All rights reserved. |
bcbf86ec | 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. | |
a306f2dd | 24 | */ |
bcbf86ec | 25 | |
a306f2dd | 26 | #include "includes.h" |
661e45a0 | 27 | |
a306f2dd | 28 | #include "xmalloc.h" |
17321afe | 29 | #include "uuencode.h" |
e5a0294f | 30 | |
a306f2dd | 31 | int |
b6c7b7b7 | 32 | uuencode(const u_char *src, u_int srclength, |
1d1ffb87 | 33 | char *target, size_t targsize) |
a306f2dd | 34 | { |
1d1ffb87 | 35 | return __b64_ntop(src, srclength, target, targsize); |
a306f2dd | 36 | } |
37 | ||
38 | int | |
1e3b8b07 | 39 | uudecode(const char *src, u_char *target, size_t targsize) |
a306f2dd | 40 | { |
1d1ffb87 | 41 | int len; |
42 | char *encoded, *p; | |
a306f2dd | 43 | |
1d1ffb87 | 44 | /* copy the 'readonly' source */ |
45 | encoded = xstrdup(src); | |
46 | /* skip whitespace and data */ | |
47 | for (p = encoded; *p == ' ' || *p == '\t'; p++) | |
a306f2dd | 48 | ; |
1d1ffb87 | 49 | for (; *p != '\0' && *p != ' ' && *p != '\t'; p++) |
50 | ; | |
b117a4d3 | 51 | /* and remove trailing whitespace because __b64_pton needs this */ |
1d1ffb87 | 52 | *p = '\0'; |
53 | len = __b64_pton(encoded, target, targsize); | |
54 | xfree(encoded); | |
55 | return len; | |
a306f2dd | 56 | } |
57 | ||
58 | void | |
21b30f38 | 59 | dump_base64(FILE *fp, u_char *data, u_int len) |
a306f2dd | 60 | { |
52e3daed | 61 | char *buf;; |
a306f2dd | 62 | int i, n; |
17321afe | 63 | |
52e3daed | 64 | if (len > 65536) { |
65 | fprintf(fp, "dump_base64: len > 65536\n"); | |
66 | return; | |
67 | } | |
68 | buf = xmalloc(2*len); | |
1d1ffb87 | 69 | n = uuencode(data, len, buf, 2*len); |
a306f2dd | 70 | for (i = 0; i < n; i++) { |
71 | fprintf(fp, "%c", buf[i]); | |
72 | if (i % 70 == 69) | |
73 | fprintf(fp, "\n"); | |
74 | } | |
75 | if (i % 70 != 69) | |
76 | fprintf(fp, "\n"); | |
77 | xfree(buf); | |
78 | } |