/* uuencode.c -- uuencode utility. * Copyright (C) 1994, 1995 Free Software Foundation, Inc. * * This product is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2, or (at your option) * any later version. * * This product is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this product; see the file COPYING. If not, write to * the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA * 02111-1307, USA. * * Original copyright notice is retained at the end of this file. */ /* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93. */ /* Hacked to work with BusyBox by Alfred M. Szmidt */ #include #include #include #include #include "busybox.h" #define RW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH) static void encode __P ((void)); /* Pointer to the translation table we currently use. */ static const char *trans_ptr; /* The two currently defined translation tables. The first is the standard uuencoding, the second is base64 encoding. */ static const char uu_std[64] = { '`', '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?', '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^', '_' }; static const char uu_base64[64] = { 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/' }; /* ENC is the basic 1 character encoding function to make a char printing. */ #define ENC(Char) (trans_ptr[(Char) & 077]) /* Copy from IN to OUT, encoding as you go along. */ static void encode() { register int ch, n; char *p = NULL; char buf[80]; while (1) { n = 0; do { register int m = fread (buf, 1, 45 - n, stdin); if (m == 0) break; n += m; } while (n < 45); if (n == 0) break; if (trans_ptr == uu_std) if (putchar (ENC (n)) == EOF) break; for (p = buf; n > 2; 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 (n != 0) break; if (putchar ('\n') == EOF) break; } while (n != 0) { char c1 = *p; char c2 = n == 1 ? 0 : p[1]; ch = c1 >> 2; ch = ENC (ch); if (putchar (ch) == EOF) break; ch = ((c1 << 4) & 060) | ((c2 >> 4) & 017); ch = ENC (ch); if (putchar (ch) == EOF) break; if (n == 1) ch = trans_ptr == uu_std ? ENC ('\0') : '='; else { ch = (c2 << 2) & 074; ch = ENC (ch); } if (putchar (ch) == EOF) break; ch = trans_ptr == uu_std ? ENC ('\0') : '='; if (putchar (ch) == EOF) break; putchar ('\n'); break; } if (ferror (stdin)) error_msg("Read error"); if (trans_ptr == uu_std) { putchar (ENC ('\0')); putchar ('\n'); } } int uuencode_main (int argc, char **argv) { int opt; struct stat sb; int mode; trans_ptr = uu_std; /* Standard encoding is old uu format */ /* Parse any options */ while ((opt = getopt (argc, argv, "m")) > 0) { switch (opt) { case 'm': trans_ptr = uu_base64; break; default: show_usage(); } } switch (argc - optind) { case 2: /* Optional first argument is input file. */ if (!freopen (argv[optind], "r", stdin) || fstat (fileno (stdin), &sb)) { perror_msg("%s", argv[optind]); return EXIT_FAILURE; } mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); optind++; break; case 1: mode = RW & ~umask (RW); break; case 0: default: show_usage(); } printf("begin%s %o %s\n", trans_ptr == uu_std ? "" : "-base64", mode, argv[optind]); encode(); printf(trans_ptr == uu_std ? "end\n" : "====\n"); if (ferror (stdout)) { error_msg("Write error"); return EXIT_FAILURE; } return EXIT_SUCCESS; } /* Copyright (c) 1983 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. * * 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. */