/* $OpenBSD: uuencode.c,v 1.4 2001/11/19 19:02:17 mpech Exp $ */ /* $NetBSD: uuencode.c,v 1.7 1994/11/17 07:41:15 jtc 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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. */ char copyright[] = "@(#) Copyright (c) 1983, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #ifndef lint #if 0 static char sccsid[] = "@(#)uuencode.c 8.2 (Berkeley) 4/2/94"; #endif static char rcsid[] = "$OpenBSD: uuencode.c,v 1.4 2001/11/19 19:02:17 mpech Exp $"; #endif /* not lint */ /* * uuencode [input] output * * Encode a file so it can be mailed to a remote system. */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <locale.h> #include <errno.h> #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> static void encode(); static __dead void usage(); int main(argc, argv) int argc; char *argv[]; { struct stat sb; int mode; 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)) { (void)fprintf(stderr, "uuencode: %s: %s.\n", *argv, strerror(errno)); exit(1); } #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)) { (void)fprintf(stderr, "uuencode: write error.\n"); exit(1); } 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))) { 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)) { (void)fprintf(stderr, "uuencode: read error.\n"); exit(1); } ch = ENC('\0'); (void)putchar(ch); (void)putchar('\n'); } static void usage() { (void)fprintf(stderr,"usage: uuencode [infile] remotefile\n"); exit(1); }