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2e437378 | 1 | /* $OpenBSD: uuencode.c,v 1.24 2006/08/03 03:34:42 deraadt Exp $ */ |
3c0ef626 | 2 | /* |
3 | * Copyright (c) 2000 Markus Friedl. 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" | |
2e437378 | 27 | |
28 | #include <sys/types.h> | |
29 | #include <netinet/in.h> | |
30 | #include <resolv.h> | |
31 | #include <stdio.h> | |
e54b3d7c | 32 | |
3c0ef626 | 33 | #include "xmalloc.h" |
34 | #include "uuencode.h" | |
3c0ef626 | 35 | |
36 | int | |
416fd2a8 | 37 | uuencode(const u_char *src, u_int srclength, |
3c0ef626 | 38 | char *target, size_t targsize) |
39 | { | |
40 | return __b64_ntop(src, srclength, target, targsize); | |
41 | } | |
42 | ||
43 | int | |
44 | uudecode(const char *src, u_char *target, size_t targsize) | |
45 | { | |
46 | int len; | |
47 | char *encoded, *p; | |
48 | ||
49 | /* copy the 'readonly' source */ | |
50 | encoded = xstrdup(src); | |
51 | /* skip whitespace and data */ | |
52 | for (p = encoded; *p == ' ' || *p == '\t'; p++) | |
53 | ; | |
54 | for (; *p != '\0' && *p != ' ' && *p != '\t'; p++) | |
55 | ; | |
e9a17296 | 56 | /* and remove trailing whitespace because __b64_pton needs this */ |
3c0ef626 | 57 | *p = '\0'; |
58 | len = __b64_pton(encoded, target, targsize); | |
59 | xfree(encoded); | |
60 | return len; | |
61 | } | |
62 | ||
63 | void | |
e9a17296 | 64 | dump_base64(FILE *fp, u_char *data, u_int len) |
3c0ef626 | 65 | { |
2e437378 | 66 | char *buf; |
3c0ef626 | 67 | int i, n; |
68 | ||
2e437378 | 69 | if (len > 65536) { |
70 | fprintf(fp, "dump_base64: len > 65536\n"); | |
71 | return; | |
72 | } | |
73 | buf = xmalloc(2*len); | |
3c0ef626 | 74 | n = uuencode(data, len, buf, 2*len); |
75 | for (i = 0; i < n; i++) { | |
76 | fprintf(fp, "%c", buf[i]); | |
77 | if (i % 70 == 69) | |
78 | fprintf(fp, "\n"); | |
79 | } | |
80 | if (i % 70 != 69) | |
81 | fprintf(fp, "\n"); | |
82 | xfree(buf); | |
83 | } |