2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#) Copyright (c) 1983, 1993 The Regents of the University of California. All rights reserved.
30 * @(#)uuencode.c 8.2 (Berkeley) 4/2/94
31 * $FreeBSD: src/usr.bin/uuencode/uuencode.c,v 1.4.2.5 2002/10/21 11:52:15 fanf Exp $
32 * $DragonFly: src/usr.bin/uuencode/uuencode.c,v 1.3 2004/12/24 15:13:56 liamfoy Exp $
36 * uuencode [input] output
38 * Encode a file so it can be mailed to a remote system.
40 #include <sys/param.h>
41 #include <sys/socket.h>
44 #include <netinet/in.h>
54 static void encode(void);
55 static void base64_encode(void);
56 static void usage(void);
63 main(int argc, char *argv[])
73 if (strcmp(basename(argv[0]), "b64encode") == 0)
76 while ((ch = getopt(argc, argv, "mo:")) != -1) {
93 case 2: /* optional first argument is input file */
94 if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb))
96 #define RWX (S_IRWXU|S_IRWXG|S_IRWXO)
97 mode = sb.st_mode & RWX;
101 #define RW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH)
102 mode = RW & ~umask(RW);
111 if (outfile != NULL) {
112 output = fopen(outfile, "w+");
114 err(1, "unable to open %s for output", outfile);
122 errx(1, "write error");
126 /* ENC is the basic 1 character encoding function to make a char printing */
127 #define ENC(c) ((c) ? ((c) & 077) + ' ': '`')
130 * Copy from in to out, encoding in base64 as you go along.
136 * Output must fit into 80 columns, chunks come in 4, leave 1.
138 #define GROUPS ((80 / 4) - 1)
139 unsigned char buf[3];
140 char buf2[sizeof(buf) * 2 + 1];
146 fprintf(output, "begin-base64 %o %s\n", mode, *av);
147 while ((n = fread(buf, 1, sizeof(buf), stdin))) {
149 rv = b64_ntop(buf, n, buf2, (sizeof(buf2) / sizeof(buf2[0])));
151 errx(1, "b64_ntop: error encoding base64");
152 fprintf(output, "%s%s", buf2, (sequence % GROUPS) ? "" : "\n");
154 if (sequence % GROUPS)
155 fprintf(output, "\n");
156 fprintf(output, "====\n");
160 * Copy from in to out, encoding as you go along.
169 (void)fprintf(output, "begin %o %s\n", mode, *av);
170 while ((n = fread(buf, 1, 45, stdin))) {
172 if (fputc(ch, output) == EOF)
174 for (p = buf; n > 0; n -= 3, p += 3) {
175 /* Pad with nulls if not a multiple of 3. */
183 if (fputc(ch, output) == EOF)
185 ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017);
187 if (fputc(ch, output) == EOF)
189 ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03);
191 if (fputc(ch, output) == EOF)
195 if (fputc(ch, output) == EOF)
198 if (fputc('\n', output) == EOF)
202 errx(1, "read error");
203 (void)fprintf(output, "%c\nend\n", ENC('\0'));
209 (void)fprintf(stderr,
210 "usage: uuencode [-m] [-o outfile] [infile] remotefile\n"
211 " b64encode [-o outfile] [infile] remotefile\n");