157 lines
4.0 KiB
C
157 lines
4.0 KiB
C
/* $NetBSD: uuencode.c,v 1.9 2003/08/07 11:16:59 agc Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1983, 1993
|
|
* The Regents of the University of California. 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.
|
|
* 3. Neither the name of the University nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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 <sys/cdefs.h>
|
|
#ifndef lint
|
|
__COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n");
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)uuencode.c 8.2 (Berkeley) 4/2/94";
|
|
#else
|
|
__RCSID("$NetBSD: uuencode.c,v 1.9 2003/08/07 11:16:59 agc Exp $");
|
|
#endif
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* uuencode [input] output
|
|
*
|
|
* Encode a file so it can be mailed to a remote system.
|
|
*/
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <locale.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
|
|
int main __P((int, char **));
|
|
static void encode __P((void));
|
|
static void usage __P((void));
|
|
|
|
int
|
|
main(argc, argv)
|
|
int argc;
|
|
char *argv[];
|
|
{
|
|
struct stat sb;
|
|
int mode;
|
|
|
|
mode = 0;
|
|
setlocale(LC_ALL, "");
|
|
|
|
while (getopt(argc, argv, "") != -1)
|
|
usage();
|
|
argv += optind;
|
|
argc -= optind;
|
|
|
|
switch(argc) {
|
|
case 2: /* optional first argument is input file */
|
|
if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb))
|
|
err(1, "%s", *argv);
|
|
#define RWX (S_IRWXU|S_IRWXG|S_IRWXO)
|
|
mode = sb.st_mode & RWX;
|
|
++argv;
|
|
break;
|
|
case 1:
|
|
#define RW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
|
|
mode = RW & ~umask(RW);
|
|
break;
|
|
case 0:
|
|
default:
|
|
usage();
|
|
}
|
|
|
|
(void)printf("begin %o %s\n", mode, *argv);
|
|
encode();
|
|
(void)printf("end\n");
|
|
if (ferror(stdout))
|
|
err(1, "write error");
|
|
exit(0);
|
|
}
|
|
|
|
/* ENC is the basic 1 character encoding function to make a char printing */
|
|
#define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
|
|
|
|
/*
|
|
* copy from in to out, encoding as you go along.
|
|
*/
|
|
static void
|
|
encode()
|
|
{
|
|
int ch, n;
|
|
char *p;
|
|
char buf[80];
|
|
|
|
while ((n = fread(buf, 1, 45, stdin)) > 0) {
|
|
ch = ENC(n);
|
|
if (putchar(ch) == EOF)
|
|
break;
|
|
for (p = buf; n > 0; n -= 3, p += 3) {
|
|
ch = *p >> 2;
|
|
ch = ENC(ch);
|
|
if (putchar(ch) == EOF)
|
|
break;
|
|
ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
|
|
ch = ENC(ch);
|
|
if (putchar(ch) == EOF)
|
|
break;
|
|
ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
|
|
ch = ENC(ch);
|
|
if (putchar(ch) == EOF)
|
|
break;
|
|
ch = p[2] & 077;
|
|
ch = ENC(ch);
|
|
if (putchar(ch) == EOF)
|
|
break;
|
|
}
|
|
if (putchar('\n') == EOF)
|
|
break;
|
|
}
|
|
if (ferror(stdin))
|
|
err(1, "read error.");
|
|
ch = ENC('\0');
|
|
(void)putchar(ch);
|
|
(void)putchar('\n');
|
|
}
|
|
|
|
static void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr,"usage: uuencode [infile] remotefile\n");
|
|
exit(1);
|
|
}
|