mirror of
https://github.com/sheumann/hush.git
synced 2024-11-18 17:10:36 +00:00
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Copyright (C) 2000 by Glenn McGrath
|
|
*
|
|
* based on the function base64_encode from http.c in wget v1.6
|
|
* Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
|
|
*
|
|
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
|
|
*/
|
|
|
|
//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),
|
|
};
|
|
|
|
int uuencode_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
|
|
int uuencode_main(int argc UNUSED_PARAM, char **argv)
|
|
{
|
|
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);
|
|
}
|