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- /* 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. */
-
- /* 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. All advertising materials mentioning features or use of this software
- must display the following acknowledgement:
- This product includes software developed by the University of
- California, Berkeley and its contributors.
- 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. */
-
- /* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93. */
-
- #include "system.h"
-
- /*=======================================================\
- | uuencode [INPUT] OUTPUT |
- | |
- | Encode a file so it can be mailed to a remote system. |
- \=======================================================*/
-
- #include "getopt.h"
-
- #define RW (S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IROTH | S_IWOTH)
-
- static struct option longopts[] =
- {
- { "base64", 0, 0, 'm' },
- { "version", 0, 0, 'v' },
- { "help", 0, 0, 'h' },
- { NULL, 0, 0, 0 }
- };
-
- static void encode __P ((void));
- static void usage __P ((int));
-
- /* The name this program was run with. */
- const char *program_name;
-
- /* Pointer to the translation table we currently use. */
- const char *trans_ptr;
-
- /* The two currently defined translation tables. The first is the
- standard uuencoding, the second is base64 encoding. */
- 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', '[', '\\', ']', '^', '_'
- };
-
- 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;
- register char *p;
- 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 (EXIT_FAILURE, 0, _("Read error"));
- if (trans_ptr == uu_std)
- {
- putchar (ENC ('\0'));
- putchar ('\n');
- }
- }
-
- static void
- usage (status)
- int status;
- {
- if (status != 0)
- fprintf (stderr, _("Try `%s --help' for more information.\n"),
- program_name);
- else
- {
- printf (_("Usage: %s [INFILE] REMOTEFILE\n"), program_name);
- printf (_("\n\
- -h, --help display this help and exit\n\
- -m, --base64 use base64 encoding as of RFC1521\n\
- -v, --version output version information and exit\n"));
- }
- exit (status);
- }
-
- int
- main (argc, argv)
- int argc;
- char *const *argv;
- {
- int opt;
- struct stat sb;
- int mode;
-
- /* Set global variables. */
- trans_ptr = uu_std; /* Standard encoding is old uu format. */
-
- program_name = argv[0];
- setlocale (LC_ALL, "");
-
- /* Set the text message domain. */
- bindtextdomain (PACKAGE, LOCALEDIR);
- textdomain (PACKAGE);
-
- while (opt = getopt_long (argc, argv, "hmv", longopts, (int *) NULL),
- opt != EOF)
- {
- switch (opt)
- {
- case 'h':
- usage (EXIT_SUCCESS);
-
- case 'm':
- trans_ptr = uu_base64;
- break;
-
- case 'v':
- printf ("%s - GNU %s %s\n", program_name, PACKAGE, VERSION);
- exit (EXIT_SUCCESS);
-
- case 0:
- break;
-
- default:
- usage (EXIT_FAILURE);
- }
- }
-
- switch (argc - optind)
- {
- case 2:
-
- /* Optional first argument is input file. */
-
- if (!freopen (argv[optind], "r", stdin) || fstat (fileno (stdin), &sb))
- error (EXIT_FAILURE, errno, "%s", argv[optind]);
- mode = sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
- optind++;
- break;
-
- case 1:
- mode = RW & ~umask (RW);
- break;
-
- case 0:
- default:
- usage (EXIT_FAILURE);
- }
-
- #if S_IRWXU != 0700
- choke me - Must translate mode argument
- #endif
-
- 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 (EXIT_FAILURE, 0, _("Write error"));
- exit (EXIT_SUCCESS);
- }
-