| 1 | /* |
| 2 | * Copyright (c) 1983 Regents of the University of California. |
| 3 | * 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 | static char sccsid[] = "@(#)uuencode.c 5.9 (Berkeley) 6/1/90"; |
| 36 | #endif /* not lint */ |
| 37 | |
| 38 | /* |
| 39 | * uuencode [input] output |
| 40 | * |
| 41 | * Encode a file so it can be mailed to a remote system. |
| 42 | */ |
| 43 | #include <sys/types.h> |
| 44 | #include <sys/stat.h> |
| 45 | #include <stdio.h> |
| 46 | |
| 47 | main(argc, argv) |
| 48 | int argc; |
| 49 | char **argv; |
| 50 | { |
| 51 | extern int optind; |
| 52 | extern int errno; |
| 53 | struct stat sb; |
| 54 | int mode; |
| 55 | char *strerror(); |
| 56 | |
| 57 | while (getopt(argc, argv, "") != EOF) |
| 58 | usage(); |
| 59 | argv += optind; |
| 60 | argc -= optind; |
| 61 | |
| 62 | switch(argc) { |
| 63 | case 2: /* optional first argument is input file */ |
| 64 | if (!freopen(*argv, "r", stdin) || fstat(fileno(stdin), &sb)) { |
| 65 | (void)fprintf(stderr, "uuencode: %s: %s.\n", |
| 66 | *argv, strerror(errno)); |
| 67 | exit(1); |
| 68 | } |
| 69 | #define RWX (S_IRWXU|S_IRWXG|S_IRWXO) |
| 70 | mode = sb.st_mode & RWX; |
| 71 | ++argv; |
| 72 | break; |
| 73 | case 1: |
| 74 | #define RW (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) |
| 75 | mode = RW & ~umask(RW); |
| 76 | break; |
| 77 | case 0: |
| 78 | default: |
| 79 | usage(); |
| 80 | } |
| 81 | |
| 82 | (void)printf("begin %o %s\n", mode, *argv); |
| 83 | encode(); |
| 84 | (void)printf("end\n"); |
| 85 | if (ferror(stdout)) { |
| 86 | (void)fprintf(stderr, "uuencode: write error.\n"); |
| 87 | exit(1); |
| 88 | } |
| 89 | exit(0); |
| 90 | } |
| 91 | |
| 92 | /* ENC is the basic 1 character encoding function to make a char printing */ |
| 93 | #define ENC(c) ((c) ? ((c) & 077) + ' ': '`') |
| 94 | |
| 95 | /* |
| 96 | * copy from in to out, encoding as you go along. |
| 97 | */ |
| 98 | encode() |
| 99 | { |
| 100 | register int ch, n; |
| 101 | register char *p; |
| 102 | char buf[80]; |
| 103 | |
| 104 | while (n = fread(buf, 1, 45, stdin)) { |
| 105 | ch = ENC(n); |
| 106 | if (putchar(ch) == EOF) |
| 107 | break; |
| 108 | for (p = buf; n > 0; n -= 3, p += 3) { |
| 109 | ch = *p >> 2; |
| 110 | ch = ENC(ch); |
| 111 | if (putchar(ch) == EOF) |
| 112 | break; |
| 113 | ch = (*p << 4) & 060 | (p[1] >> 4) & 017; |
| 114 | ch = ENC(ch); |
| 115 | if (putchar(ch) == EOF) |
| 116 | break; |
| 117 | ch = (p[1] << 2) & 074 | (p[2] >> 6) & 03; |
| 118 | ch = ENC(ch); |
| 119 | if (putchar(ch) == EOF) |
| 120 | break; |
| 121 | ch = p[2] & 077; |
| 122 | ch = ENC(ch); |
| 123 | if (putchar(ch) == EOF) |
| 124 | break; |
| 125 | } |
| 126 | if (putchar('\n') == EOF) |
| 127 | break; |
| 128 | } |
| 129 | if (ferror(stdin)) { |
| 130 | (void)fprintf(stderr, "uuencode: read error.\n"); |
| 131 | exit(1); |
| 132 | } |
| 133 | ch = ENC('\0'); |
| 134 | (void)putchar(ch); |
| 135 | (void)putchar('\n'); |
| 136 | } |
| 137 | |
| 138 | usage() |
| 139 | { |
| 140 | (void)fprintf(stderr,"usage: uuencode [infile] remotefile\n"); |
| 141 | exit(1); |
| 142 | } |