2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1983, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 static const char copyright[] =
35 "@(#) Copyright (c) 1983, 1993\n\
36 The Regents of the University of California. All rights reserved.\n";
40 static char sccsid[] = "@(#)uuencode.c 8.2 (Berkeley) 4/2/94";
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
47 * uuencode [input] output
49 * Encode a file so it can be mailed to a remote system.
51 #include <sys/param.h>
52 #include <sys/socket.h>
55 #include <netinet/in.h>
65 static void encode(void);
66 static void base64_encode(void);
67 static void usage(void);
75 main(int argc, char *argv[])
85 if (strcmp(basename(argv[0]), "b64encode") == 0)
88 while ((ch = getopt(argc, argv, "mo:r")) != -1) {
108 case 2: /* optional first argument is input file */
109 if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb))
111 #define RWX (S_IRWXU|S_IRWXG|S_IRWXO)
112 mode = sb.st_mode & RWX;
116 #define RW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
117 mode = RW & ~umask(RW);
126 if (outfile != NULL) {
127 output = fopen(outfile, "w+");
129 err(1, "unable to open %s for output", outfile);
137 errx(1, "write error");
141 /* ENC is the basic 1 character encoding function to make a char printing */
142 #define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
145 * Copy from in to out, encoding in base64 as you go along.
151 * Output must fit into 80 columns, chunks come in 4, leave 1.
153 #define GROUPS ((80 / 4) - 1)
154 unsigned char buf[3];
155 char buf2[sizeof(buf) * 2 + 1];
162 fprintf(output, "begin-base64 %o %s\n", mode, *av);
163 while ((n = fread(buf, 1, sizeof(buf), stdin))) {
165 rv = b64_ntop(buf, n, buf2, nitems(buf2));
167 errx(1, "b64_ntop: error encoding base64");
168 fprintf(output, "%s%s", buf2, (sequence % GROUPS) ? "" : "\n");
170 if (sequence % GROUPS)
171 fprintf(output, "\n");
173 fprintf(output, "====\n");
177 * Copy from in to out, encoding as you go along.
187 (void)fprintf(output, "begin %o %s\n", mode, *av);
188 while ((n = fread(buf, 1, 45, stdin))) {
190 if (fputc(ch, output) == EOF)
192 for (p = buf; n > 0; n -= 3, p += 3) {
193 /* Pad with nulls if not a multiple of 3. */
201 if (fputc(ch, output) == EOF)
203 ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
205 if (fputc(ch, output) == EOF)
207 ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
209 if (fputc(ch, output) == EOF)
213 if (fputc(ch, output) == EOF)
216 if (fputc('\n', output) == EOF)
220 errx(1, "read error");
222 (void)fprintf(output, "%c\nend\n", ENC('\0'));
228 (void)fprintf(stderr,
229 "usage: uuencode [-m] [-o outfile] [infile] remotefile\n"
230 " b64encode [-o outfile] [infile] remotefile\n");