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Ben Lindstromc58ab022002-02-26 18:15:09 +00001/* $OpenBSD: uuencode.c,v 1.14 2002/02/25 16:33:27 markus Exp $ */
Damien Millere4340be2000-09-16 13:29:08 +11002
Damien Millereba71ba2000-04-29 23:57:08 +10003/*
Damien Millere247cc42000-05-07 12:03:14 +10004 * Copyright (c) 2000 Markus Friedl. All rights reserved.
Damien Millere4340be2000-09-16 13:29:08 +11005 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Damien Millereba71ba2000-04-29 23:57:08 +100025 */
Damien Millere4340be2000-09-16 13:29:08 +110026
Damien Millereba71ba2000-04-29 23:57:08 +100027#include "includes.h"
28#include "xmalloc.h"
Ben Lindstrom70ea46a2001-02-10 23:30:16 +000029#include "uuencode.h"
Damien Millereba71ba2000-04-29 23:57:08 +100030
Ben Lindstromc58ab022002-02-26 18:15:09 +000031RCSID("$OpenBSD: uuencode.c,v 1.14 2002/02/25 16:33:27 markus Exp $");
Damien Millerbf7f4662000-06-23 10:16:38 +100032
Damien Millereba71ba2000-04-29 23:57:08 +100033int
Ben Lindstrom46c16222000-12-22 01:43:59 +000034uuencode(u_char *src, u_int srclength,
Damien Millere247cc42000-05-07 12:03:14 +100035 char *target, size_t targsize)
Damien Millereba71ba2000-04-29 23:57:08 +100036{
Damien Millere247cc42000-05-07 12:03:14 +100037 return __b64_ntop(src, srclength, target, targsize);
Damien Millereba71ba2000-04-29 23:57:08 +100038}
39
40int
Ben Lindstrom46c16222000-12-22 01:43:59 +000041uudecode(const char *src, u_char *target, size_t targsize)
Damien Millereba71ba2000-04-29 23:57:08 +100042{
Damien Millere247cc42000-05-07 12:03:14 +100043 int len;
44 char *encoded, *p;
Damien Millereba71ba2000-04-29 23:57:08 +100045
Damien Millere247cc42000-05-07 12:03:14 +100046 /* copy the 'readonly' source */
47 encoded = xstrdup(src);
48 /* skip whitespace and data */
49 for (p = encoded; *p == ' ' || *p == '\t'; p++)
Damien Millereba71ba2000-04-29 23:57:08 +100050 ;
Damien Millere247cc42000-05-07 12:03:14 +100051 for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
52 ;
Ben Lindstrome45a2cb2002-02-26 18:07:26 +000053 /* and remove trailing whitespace because __b64_pton needs this */
Damien Millere247cc42000-05-07 12:03:14 +100054 *p = '\0';
55 len = __b64_pton(encoded, target, targsize);
56 xfree(encoded);
57 return len;
Damien Millereba71ba2000-04-29 23:57:08 +100058}
59
60void
Ben Lindstromc58ab022002-02-26 18:15:09 +000061dump_base64(FILE *fp, u_char *data, u_int len)
Damien Millereba71ba2000-04-29 23:57:08 +100062{
Ben Lindstrom46c16222000-12-22 01:43:59 +000063 u_char *buf = xmalloc(2*len);
Damien Millereba71ba2000-04-29 23:57:08 +100064 int i, n;
Ben Lindstrom70ea46a2001-02-10 23:30:16 +000065
Damien Millere247cc42000-05-07 12:03:14 +100066 n = uuencode(data, len, buf, 2*len);
Damien Millereba71ba2000-04-29 23:57:08 +100067 for (i = 0; i < n; i++) {
68 fprintf(fp, "%c", buf[i]);
69 if (i % 70 == 69)
70 fprintf(fp, "\n");
71 }
72 if (i % 70 != 69)
73 fprintf(fp, "\n");
74 xfree(buf);
75}