mirror of
https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
77 lines
2.1 KiB
C
77 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 tarball for details.
|
|
*/
|
|
|
|
#include "libbb.h"
|
|
|
|
|
|
#define SRC_BUF_SIZE 45 // This *MUST* be a multiple of 3
|
|
#define DST_BUF_SIZE 4 * ((SRC_BUF_SIZE + 2) / 3)
|
|
int uuencode_main(int argc, char **argv);
|
|
int uuencode_main(int argc, char **argv)
|
|
{
|
|
const size_t src_buf_size = SRC_BUF_SIZE;
|
|
const size_t dst_buf_size = DST_BUF_SIZE;
|
|
size_t write_size = dst_buf_size;
|
|
struct stat stat_buf;
|
|
FILE *src_stream = stdin;
|
|
const char *tbl;
|
|
size_t size;
|
|
mode_t mode;
|
|
RESERVE_CONFIG_BUFFER(src_buf, SRC_BUF_SIZE + 1);
|
|
RESERVE_CONFIG_BUFFER(dst_buf, DST_BUF_SIZE + 1);
|
|
|
|
tbl = bb_uuenc_tbl_std;
|
|
if (getopt32(argc, argv, "m") & 1) {
|
|
tbl = bb_uuenc_tbl_base64;
|
|
}
|
|
|
|
switch (argc - optind) {
|
|
case 2:
|
|
src_stream = xfopen(argv[optind], "r");
|
|
xstat(argv[optind], &stat_buf);
|
|
mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO);
|
|
if (src_stream == stdout) {
|
|
puts("NULL");
|
|
}
|
|
break;
|
|
case 1:
|
|
mode = 0666 & ~umask(0666);
|
|
break;
|
|
default:
|
|
bb_show_usage();
|
|
}
|
|
|
|
printf("begin%s %o %s", tbl == bb_uuenc_tbl_std ? "" : "-base64", mode, argv[argc - 1]);
|
|
|
|
while ((size = fread(src_buf, 1, src_buf_size, src_stream)) > 0) {
|
|
if (size != src_buf_size) {
|
|
/* write_size is always 60 until the last line */
|
|
write_size = (4 * ((size + 2) / 3));
|
|
/* pad with 0s so we can just encode extra bits */
|
|
memset(&src_buf[size], 0, src_buf_size - size);
|
|
}
|
|
/* Encode the buffer we just read in */
|
|
bb_uuencode((unsigned char*)src_buf, dst_buf, size, tbl);
|
|
|
|
putchar('\n');
|
|
if (tbl == bb_uuenc_tbl_std) {
|
|
putchar(tbl[size]);
|
|
}
|
|
if (fwrite(dst_buf, 1, write_size, stdout) != write_size) {
|
|
bb_perror_msg_and_die(bb_msg_write_error);
|
|
}
|
|
}
|
|
printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n");
|
|
|
|
die_if_ferror(src_stream, "source"); /* TODO - Fix this! */
|
|
|
|
fflush_stdout_and_exit(EXIT_SUCCESS);
|
|
}
|