1/*- 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. 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 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef lint 35#include <sys/cdefs.h> 36__unused static const char copyright[] = 37"@(#) Copyright (c) 1983, 1993\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39#endif /* not lint */ 40 41#ifndef lint 42#if 0 43static char sccsid[] = "@(#)uuencode.c 8.2 (Berkeley) 4/2/94"; 44#endif 45__unused static const char rcsid[] = 46 "$FreeBSD: src/usr.bin/uuencode/uuencode.c,v 1.4.2.4 2002/06/17 05:01:46 jmallett Exp $"; 47#endif /* not lint */ 48 49/* 50 * uuencode [input] output 51 * 52 * Encode a file so it can be mailed to a remote system. 53 */ 54#include <sys/param.h> 55#include <sys/socket.h> 56#include <sys/stat.h> 57 58#include <netinet/in.h> 59 60#include <err.h> 61#include <arpa/nameser.h> 62#include <resolv.h> 63#include <stdio.h> 64#include <stdlib.h> 65#include <string.h> 66#include <unistd.h> 67 68int b64_ntop __P((u_char const *, size_t, char *, size_t)); 69int b64_pton __P((char const *, u_char *, size_t)); 70void encode(void); 71void base64_encode(void); 72static void usage(void); 73 74FILE *output; 75int mode; 76char **av; 77 78int 79main(argc, argv) 80 int argc; 81 char *argv[]; 82{ 83 struct stat sb; 84 int base64; 85 char ch; 86 char *outfile; 87 88 base64 = 0; 89 outfile = NULL; 90 91 while ((ch = getopt(argc, argv, "mo:")) != -1) { 92 switch (ch) { 93 case 'm': 94 base64 = 1; 95 break; 96 case 'o': 97 outfile = optarg; 98 break; 99 case '?': 100 default: 101 usage(); 102 } 103 } 104 argv += optind; 105 argc -= optind; 106 107 switch(argc) { 108 case 2: /* optional first argument is input file */ 109 if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb)) 110 err(1, "%s", *argv); 111#define RWX (S_IRWXU|S_IRWXG|S_IRWXO) 112 mode = sb.st_mode & RWX; 113 ++argv; 114 break; 115 case 1: 116#define RW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) 117 mode = RW & ~umask(RW); 118 break; 119 case 0: 120 default: 121 usage(); 122 } 123 124 av = argv; 125 126 if (outfile != NULL) { 127 output = fopen(outfile, "w+"); 128 if (output == NULL) 129 err(1, "unable to open %s for output", outfile); 130 } else 131 output = stdout; 132 if (base64) 133 base64_encode(); 134 else 135 encode(); 136 if (ferror(output)) 137 errx(1, "write error"); 138 exit(0); 139} 140 141/* ENC is the basic 1 character encoding function to make a char printing */ 142#define ENC(c) ((c) ? ((c) & 077) + ' ': '`') 143 144/* 145 * Copy from in to out, encoding in base64 as you go along. 146 */ 147void 148base64_encode() 149{ 150 /* 151 * Output must fit into 80 columns, chunks come in 4, leave 1. 152 */ 153#define GROUPS ((80 / 4) - 1) 154 unsigned char buf[3]; 155 char buf2[sizeof(buf) * 2 + 1]; 156 size_t n; 157 int rv, sequence; 158 159 sequence = 0; 160 161 fprintf(output, "begin-base64 %o %s\n", mode, *av); 162 while ((n = fread(buf, 1, sizeof(buf), stdin))) { 163 ++sequence; 164 rv = b64_ntop(buf, n, buf2, (sizeof(buf2) / sizeof(buf2[0]))); 165 if (rv == -1) 166 errx(1, "b64_ntop: error encoding base64"); 167 fprintf(output, "%s%s", buf2, (sequence % GROUPS) ? "" : "\n"); 168 } 169 if (sequence % GROUPS) 170 fprintf(output, "\n"); 171 fprintf(output, "====\n"); 172} 173 174/* 175 * Copy from in to out, encoding as you go along. 176 */ 177void 178encode() 179{ 180 register int ch, n; 181 register char *p; 182 char buf[80]; 183 184 (void)fprintf(output, "begin %o %s\n", mode, *av); 185 while ((n = fread(buf, 1, 45, stdin))) { 186 ch = ENC(n); 187 if (fputc(ch, output) == EOF) 188 break; 189 for (p = buf; n > 0; n -= 3, p += 3) { 190 /* Pad with nulls if not a multiple of 3. */ 191 if (n < 3) { 192 p[2] = '\0'; 193 if (n < 2) 194 p[1] = '\0'; 195 } 196 ch = *p >> 2; 197 ch = ENC(ch); 198 if (fputc(ch, output) == EOF) 199 break; 200 ch = ((*p << 4) & 060) | ((p[1] >> 4) & 017); 201 ch = ENC(ch); 202 if (fputc(ch, output) == EOF) 203 break; 204 ch = ((p[1] << 2) & 074) | ((p[2] >> 6) & 03); 205 ch = ENC(ch); 206 if (fputc(ch, output) == EOF) 207 break; 208 ch = p[2] & 077; 209 ch = ENC(ch); 210 if (fputc(ch, output) == EOF) 211 break; 212 } 213 if (fputc('\n', output) == EOF) 214 break; 215 } 216 if (ferror(stdin)) 217 errx(1, "read error"); 218 (void)fprintf(output, "%c\nend\n", ENC('\0')); 219} 220 221static void 222usage() 223{ 224 (void)fprintf(stderr,"usage: uuencode [-m] [-o outfile] [infile] remotefile\n"); 225 exit(1); 226} 227