-/* uuencode.c -- uuencode utility.
- * Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+/* vi: set sw=4 ts=4: */
+/*
+ * Copyright (C) 2000 by Glenn McGrath
*
- * 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.
+ * based on the function base64_encode from http.c in wget v1.6
+ * Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
*
- * 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.
+ * Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
-/* Reworked to GNU style by Ian Lance Taylor, ian@airs.com, August 93. */
-/* Hacked to work with BusyBox by Alfred M. Szmidt */
-
-
-
-#include <stdio.h>
-#include <errno.h>
-#include <getopt.h>
-#include <stdlib.h>
-#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] = {
- '`', '!', '"', '#', '$', '%', '&', '\'',
- '(', ')', '*', '+', ',', '-', '.', '/',
- '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', ':', ';', '<', '=', '>', '?',
- '@', 'A', 'B', 'C', 'D', 'E', 'F', 'G',
- 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
- 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W',
- 'X', 'Y', 'Z', '[', '\\', ']', '^', '_'
-};
-
-static const char uu_base64[64] = {
- 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
- 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
- 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
- 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
- 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
- 'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
- 'w', 'x', 'y', 'z', '0', '1', '2', '3',
- '4', '5', '6', '7', '8', '9', '+', '/'
+//config:config UUENCODE
+//config: bool "uuencode (4.6 kb)"
+//config: default y
+//config: help
+//config: uuencode is used to uuencode a file.
+
+//applet:IF_UUENCODE(APPLET(uuencode, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_UUENCODE) += uuencode.o
+
+//usage:#define uuencode_trivial_usage
+//usage: "[-m] [FILE] STORED_FILENAME"
+//usage:#define uuencode_full_usage "\n\n"
+//usage: "Uuencode FILE (or stdin) to stdout\n"
+//usage: "\n -m Use base64 encoding per RFC1521"
+//usage:
+//usage:#define uuencode_example_usage
+//usage: "$ uuencode busybox busybox\n"
+//usage: "begin 755 busybox\n"
+//usage: "<encoded file snipped>\n"
+//usage: "$ uudecode busybox busybox > busybox.uu\n"
+//usage: "$\n"
+
+#include "libbb.h"
+
+enum {
+ SRC_BUF_SIZE = 15*3, /* This *MUST* be a multiple of 3 */
+ DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
};
-/* 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()
+int uuencode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
+int uuencode_main(int argc UNUSED_PARAM, char **argv)
{
- 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;
+ struct stat stat_buf;
+ int src_fd = STDIN_FILENO;
+ const char *tbl;
+ mode_t mode;
+ char src_buf[SRC_BUF_SIZE];
+ char dst_buf[DST_BUF_SIZE + 1];
+
+ tbl = bb_uuenc_tbl_std;
+ mode = 0666 & ~umask(0666);
+ opt_complementary = "-1:?2"; /* must have 1 or 2 args */
+ if (getopt32(argv, "m")) {
+ tbl = bb_uuenc_tbl_base64;
+ }
+ argv += optind;
+ if (argv[1]) {
+ src_fd = xopen(argv[0], O_RDONLY);
+ fstat(src_fd, &stat_buf);
+ mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
+ argv++;
+ }
+
+ printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, *argv);
+ while (1) {
+ size_t size = full_read(src_fd, src_buf, SRC_BUF_SIZE);
+ if (!size)
+ break;
+ if ((ssize_t)size < 0)
+ bb_perror_msg_and_die(bb_msg_read_error);
+ /* Encode the buffer we just read in */
+ bb_uuencode(dst_buf, src_buf, size, tbl);
+ bb_putchar('\n');
+ if (tbl == bb_uuenc_tbl_std) {
+ bb_putchar(tbl[size]);
+ }
+ fflush(stdout);
+ xwrite(STDOUT_FILENO, dst_buf, 4 * ((size + 2) / 3));
+ }
+ printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n");
+
+ fflush_stdout_and_exit(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. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
- * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
- *
- * 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.
- */
-
-
projects / oweals / busybox.git / blobdiff