| /* 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] [INFILE] STORED_FILENAME" |
| //usage:#define uuencode_full_usage "\n\n" |
| //usage: "Uuencode a file 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); |
| } |