[gssapi-openssh.git] / openssh / uuencode.c

/* $OpenBSD: uuencode.c,v 1.24 2006/08/03 03:34:42 deraadt Exp $ */
/*
 * Copyright (c) 2000 Markus Friedl.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "includes.h"

#include <sys/types.h>
#include <netinet/in.h>
#include <resolv.h>
#include <stdio.h>

#include "xmalloc.h"
#include "uuencode.h"

int
uuencode(const u_char *src, u_int srclength,
    char *target, size_t targsize)
{
	return __b64_ntop(src, srclength, target, targsize);
}

int
uudecode(const char *src, u_char *target, size_t targsize)
{
	int len;
	char *encoded, *p;

	/* copy the 'readonly' source */
	encoded = xstrdup(src);
	/* skip whitespace and data */
	for (p = encoded; *p == ' ' || *p == '\t'; p++)
		;
	for (; *p != '\0' && *p != ' ' && *p != '\t'; p++)
		;
	/* and remove trailing whitespace because __b64_pton needs this */
	*p = '\0';
	len = __b64_pton(encoded, target, targsize);
	xfree(encoded);
	return len;
}

void
dump_base64(FILE *fp, u_char *data, u_int len)
{
	char *buf;
	int i, n;

	if (len > 65536) {
		fprintf(fp, "dump_base64: len > 65536\n");
		return;
	}
	buf = xmalloc(2*len);
	n = uuencode(data, len, buf, 2*len);
	for (i = 0; i < n; i++) {
		fprintf(fp, "%c", buf[i]);
		if (i % 70 == 69)
			fprintf(fp, "\n");
	}
	if (i % 70 != 69)
		fprintf(fp, "\n");
	xfree(buf);
}
Commit	Line	Data
9108f8d9	1	/* $OpenBSD: uuencode.c,v 1.24 2006/08/03 03:34:42 deraadt Exp $ */
3c0ef626	2	/*
	3	* Copyright (c) 2000 Markus Friedl. All rights reserved.
	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.
	24	*/
	25
	26	#include "includes.h"
9108f8d9	27
	28	#include <sys/types.h>
	29	#include <netinet/in.h>
	30	#include <resolv.h>
	31	#include <stdio.h>
41b2f314	32
3c0ef626	33	#include "xmalloc.h"
3c0ef626	34	#include "uuencode.h"
3c0ef626	35
3c0ef626	36	int
cdd66111	37	uuencode(const u_char *src, u_int srclength,
3c0ef626	38	char *target, size_t targsize)
	39	{
	40	return __b64_ntop(src, srclength, target, targsize);
	41	}
	42
	43	int
	44	uudecode(const char src, u_char target, size_t targsize)
	45	{
	46	int len;
	47	char encoded, p;
	48
	49	/* copy the 'readonly' source */
	50	encoded = xstrdup(src);
	51	/* skip whitespace and data */
	52	for (p = encoded; p == ' ' \|\| p == '\t'; p++)
	53	;
	54	for (; p != '\0' && p != ' ' && *p != '\t'; p++)
	55	;
e9a17296	56	/* and remove trailing whitespace because __b64_pton needs this */
3c0ef626	57	*p = '\0';
	58	len = __b64_pton(encoded, target, targsize);
	59	xfree(encoded);
	60	return len;
	61	}
	62
	63	void
e9a17296	64	dump_base64(FILE fp, u_char data, u_int len)
3c0ef626	65	{
9108f8d9	66	char *buf;
3c0ef626	67	int i, n;
3c0ef626	68
9108f8d9	69	if (len > 65536) {
	70	fprintf(fp, "dump_base64: len > 65536\n");
	71	return;
	72	}
	73	buf = xmalloc(2*len);
3c0ef626	74	n = uuencode(data, len, buf, 2*len);
	75	for (i = 0; i < n; i++) {
	76	fprintf(fp, "%c", buf[i]);
	77	if (i % 70 == 69)
	78	fprintf(fp, "\n");
	79	}
	80	if (i % 70 != 69)
	81	fprintf(fp, "\n");
	82	xfree(buf);
	83	}