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Damien Millereba71ba2000-04-29 23:57:08 +10001/*
Damien Millere247cc42000-05-07 12:03:14 +10002 * Copyright (c) 2000 Markus Friedl. All rights reserved.
Damien Millere4340be2000-09-16 13:29:08 +11003 *
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.
Damien Millereba71ba2000-04-29 23:57:08 +100023 */
Damien Millere4340be2000-09-16 13:29:08 +110024
Damien Millereba71ba2000-04-29 23:57:08 +100025#include "includes.h"
Damien Millera10f5612002-09-12 09:49:15 +100026
Damien Millereba71ba2000-04-29 23:57:08 +100027#include "xmalloc.h"
Ben Lindstrom70ea46a2001-02-10 23:30:16 +000028#include "uuencode.h"
Damien Millerbf7f4662000-06-23 10:16:38 +100029
Damien Millereba71ba2000-04-29 23:57:08 +100030int
Damien Millerf58b58c2003-11-17 21:18:23 +110031uuencode(const u_char *src, u_int srclength,
Damien Millere247cc42000-05-07 12:03:14 +100032 char *target, size_t targsize)
Damien Millereba71ba2000-04-29 23:57:08 +100033{
Damien Millere247cc42000-05-07 12:03:14 +100034 return __b64_ntop(src, srclength, target, targsize);
Damien Millereba71ba2000-04-29 23:57:08 +100035}
36
37int
Ben Lindstrom46c16222000-12-22 01:43:59 +000038uudecode(const char *src, u_char *target, size_t targsize)
Damien Millereba71ba2000-04-29 23:57:08 +100039{
Damien Millere247cc42000-05-07 12:03:14 +100040 int len;
41 char *encoded, *p;
Damien Millereba71ba2000-04-29 23:57:08 +100042
Damien Millere247cc42000-05-07 12:03:14 +100043 /* copy the 'readonly' source */
44 encoded = xstrdup(src);
45 /* skip whitespace and data */
46 for (p = encoded; *p == ' ' || *p == '\t'; p++)
Damien Millereba71ba2000-04-29 23:57:08 +100047 ;
Damien Millere247cc42000-05-07 12:03:14 +100048 for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
49 ;
Ben Lindstrome45a2cb2002-02-26 18:07:26 +000050 /* and remove trailing whitespace because __b64_pton needs this */
Damien Millere247cc42000-05-07 12:03:14 +100051 *p = '\0';
52 len = __b64_pton(encoded, target, targsize);
53 xfree(encoded);
54 return len;
Damien Millereba71ba2000-04-29 23:57:08 +100055}
56
57void
Ben Lindstromc58ab022002-02-26 18:15:09 +000058dump_base64(FILE *fp, u_char *data, u_int len)
Damien Millereba71ba2000-04-29 23:57:08 +100059{
Damien Millera10f5612002-09-12 09:49:15 +100060 char *buf = xmalloc(2*len);
Damien Millereba71ba2000-04-29 23:57:08 +100061 int i, n;
Ben Lindstrom70ea46a2001-02-10 23:30:16 +000062
Damien Millere247cc42000-05-07 12:03:14 +100063 n = uuencode(data, len, buf, 2*len);
Damien Millereba71ba2000-04-29 23:57:08 +100064 for (i = 0; i < n; i++) {
65 fprintf(fp, "%c", buf[i]);
66 if (i % 70 == 69)
67 fprintf(fp, "\n");
68 }
69 if (i % 70 != 69)
70 fprintf(fp, "\n");
71 xfree(buf);
72}