]> andersk Git - openssh.git/blame - uuencode.c
- stevesk@cvs.openbsd.org 2006/08/01 23:36:12
[openssh.git] / uuencode.c
CommitLineData
cf851879 1/* $OpenBSD: uuencode.c,v 1.23 2006/08/01 23:22:48 stevesk 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
9794d008 28#include <sys/types.h>
29
30#include <netinet/in.h>
31
25523747 32#include <resolv.h>
cf851879 33#include <stdio.h>
25523747 34
a306f2dd 35#include "xmalloc.h"
17321afe 36#include "uuencode.h"
e5a0294f 37
a306f2dd 38int
b6c7b7b7 39uuencode(const u_char *src, u_int srclength,
1d1ffb87 40 char *target, size_t targsize)
a306f2dd 41{
1d1ffb87 42 return __b64_ntop(src, srclength, target, targsize);
a306f2dd 43}
44
45int
1e3b8b07 46uudecode(const char *src, u_char *target, size_t targsize)
a306f2dd 47{
1d1ffb87 48 int len;
49 char *encoded, *p;
a306f2dd 50
1d1ffb87 51 /* copy the 'readonly' source */
52 encoded = xstrdup(src);
53 /* skip whitespace and data */
54 for (p = encoded; *p == ' ' || *p == '\t'; p++)
a306f2dd 55 ;
1d1ffb87 56 for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
57 ;
b117a4d3 58 /* and remove trailing whitespace because __b64_pton needs this */
1d1ffb87 59 *p = '\0';
60 len = __b64_pton(encoded, target, targsize);
61 xfree(encoded);
62 return len;
a306f2dd 63}
64
65void
21b30f38 66dump_base64(FILE *fp, u_char *data, u_int len)
a306f2dd 67{
9594740b 68 char *buf;
a306f2dd 69 int i, n;
17321afe 70
52e3daed 71 if (len > 65536) {
72 fprintf(fp, "dump_base64: len > 65536\n");
73 return;
74 }
75 buf = xmalloc(2*len);
1d1ffb87 76 n = uuencode(data, len, buf, 2*len);
a306f2dd 77 for (i = 0; i < n; i++) {
78 fprintf(fp, "%c", buf[i]);
79 if (i % 70 == 69)
80 fprintf(fp, "\n");
81 }
82 if (i % 70 != 69)
83 fprintf(fp, "\n");
84 xfree(buf);
85}
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