source: trunk/third/openssh/uuencode.c @ 18759

Revision 18759, 2.3 KB checked in by zacheiss, 22 years ago (diff)
This commit was generated by cvs2svn to compensate for changes in r18758, which included commits to RCS files with non-trunk default branches.
Line 
1/*
2 * Copyright (c) 2000 Markus Friedl.  All rights reserved.
3 *
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.
23 */
24
25#include "includes.h"
26RCSID("$OpenBSD: uuencode.c,v 1.16 2002/09/09 14:54:15 markus Exp $");
27
28#include "xmalloc.h"
29#include "uuencode.h"
30
31int
32uuencode(u_char *src, u_int srclength,
33    char *target, size_t targsize)
34{
35        return __b64_ntop(src, srclength, target, targsize);
36}
37
38int
39uudecode(const char *src, u_char *target, size_t targsize)
40{
41        int len;
42        char *encoded, *p;
43
44        /* copy the 'readonly' source */
45        encoded = xstrdup(src);
46        /* skip whitespace and data */
47        for (p = encoded; *p == ' ' || *p == '\t'; p++)
48                ;
49        for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
50                ;
51        /* and remove trailing whitespace because __b64_pton needs this */
52        *p = '\0';
53        len = __b64_pton(encoded, target, targsize);
54        xfree(encoded);
55        return len;
56}
57
58void
59dump_base64(FILE *fp, u_char *data, u_int len)
60{
61        char *buf = xmalloc(2*len);
62        int i, n;
63
64        n = uuencode(data, len, buf, 2*len);
65        for (i = 0; i < n; i++) {
66                fprintf(fp, "%c", buf[i]);
67                if (i % 70 == 69)
68                        fprintf(fp, "\n");
69        }
70        if (i % 70 != 69)
71                fprintf(fp, "\n");
72        xfree(buf);
73}
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