1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * Redistribution and use in source and binary forms, with or without
5*0Sstevel@tonic-gate  * modification, are permitted provided that the following conditions
6*0Sstevel@tonic-gate  * are met:
7*0Sstevel@tonic-gate  * 1. Redistributions of source code must retain the above copyright
8*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer.
9*0Sstevel@tonic-gate  * 2. Redistributions in binary form must reproduce the above copyright
10*0Sstevel@tonic-gate  *    notice, this list of conditions and the following disclaimer in the
11*0Sstevel@tonic-gate  *    documentation and/or other materials provided with the distribution.
12*0Sstevel@tonic-gate  *
13*0Sstevel@tonic-gate  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14*0Sstevel@tonic-gate  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15*0Sstevel@tonic-gate  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16*0Sstevel@tonic-gate  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17*0Sstevel@tonic-gate  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18*0Sstevel@tonic-gate  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19*0Sstevel@tonic-gate  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20*0Sstevel@tonic-gate  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21*0Sstevel@tonic-gate  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22*0Sstevel@tonic-gate  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23*0Sstevel@tonic-gate  */
24*0Sstevel@tonic-gate 
25*0Sstevel@tonic-gate #include "includes.h"
26*0Sstevel@tonic-gate RCSID("$OpenBSD: uuencode.c,v 1.16 2002/09/09 14:54:15 markus Exp $");
27*0Sstevel@tonic-gate 
28*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate #include "xmalloc.h"
31*0Sstevel@tonic-gate #include "uuencode.h"
32*0Sstevel@tonic-gate 
33*0Sstevel@tonic-gate int
34*0Sstevel@tonic-gate uuencode(u_char *src, u_int srclength,
35*0Sstevel@tonic-gate     char *target, size_t targsize)
36*0Sstevel@tonic-gate {
37*0Sstevel@tonic-gate 	return __b64_ntop(src, srclength, target, targsize);
38*0Sstevel@tonic-gate }
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate int
41*0Sstevel@tonic-gate uudecode(const char *src, u_char *target, size_t targsize)
42*0Sstevel@tonic-gate {
43*0Sstevel@tonic-gate 	int len;
44*0Sstevel@tonic-gate 	char *encoded, *p;
45*0Sstevel@tonic-gate 
46*0Sstevel@tonic-gate 	/* copy the 'readonly' source */
47*0Sstevel@tonic-gate 	encoded = xstrdup(src);
48*0Sstevel@tonic-gate 	/* skip whitespace and data */
49*0Sstevel@tonic-gate 	for (p = encoded; *p == ' ' || *p == '\t'; p++)
50*0Sstevel@tonic-gate 		;
51*0Sstevel@tonic-gate 	for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
52*0Sstevel@tonic-gate 		;
53*0Sstevel@tonic-gate 	/* and remove trailing whitespace because __b64_pton needs this */
54*0Sstevel@tonic-gate 	*p = '\0';
55*0Sstevel@tonic-gate 	len = __b64_pton(encoded, target, targsize);
56*0Sstevel@tonic-gate 	xfree(encoded);
57*0Sstevel@tonic-gate 	return len;
58*0Sstevel@tonic-gate }
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate void
61*0Sstevel@tonic-gate dump_base64(FILE *fp, u_char *data, u_int len)
62*0Sstevel@tonic-gate {
63*0Sstevel@tonic-gate 	char *buf = xmalloc(2*len);
64*0Sstevel@tonic-gate 	int i, n;
65*0Sstevel@tonic-gate 
66*0Sstevel@tonic-gate 	n = uuencode(data, len, buf, 2*len);
67*0Sstevel@tonic-gate 	for (i = 0; i < n; i++) {
68*0Sstevel@tonic-gate 		fprintf(fp, "%c", buf[i]);
69*0Sstevel@tonic-gate 		if (i % 70 == 69)
70*0Sstevel@tonic-gate 			fprintf(fp, "\n");
71*0Sstevel@tonic-gate 	}
72*0Sstevel@tonic-gate 	if (i % 70 != 69)
73*0Sstevel@tonic-gate 		fprintf(fp, "\n");
74*0Sstevel@tonic-gate 	xfree(buf);
75*0Sstevel@tonic-gate }
76