diff options
Diffstat (limited to 'release/src/router/busybox/coreutils/uuencode.c')
| -rw-r--r-- | release/src/router/busybox/coreutils/uuencode.c | 160 |
1 files changed, 36 insertions, 124 deletions
diff --git a/release/src/router/busybox/coreutils/uuencode.c b/release/src/router/busybox/coreutils/uuencode.c index fd3326d8..e19f9967 100644 --- a/release/src/router/busybox/coreutils/uuencode.c +++ b/release/src/router/busybox/coreutils/uuencode.c @@ -5,145 +5,57 @@ * 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 program 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 of the License, or - * (at your option) any later version. - * - * This program 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 Library General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include <getopt.h> -#include <stdio.h> -#include <string.h> -#include <stdlib.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include "busybox.h" -/* Conversion table. for base 64 */ -static const char tbl_base64[65] = { - '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', '+', '/', - '=' /* termination character */ -}; +#include "libbb.h" -static const char tbl_std[65] = { - '`', '!', '"', '#', '$', '%', '&', '\'', - '(', ')', '*', '+', ',', '-', '.', '/', - '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', '[', '\\', ']', '^', '_', - '`' /* termination character */ +enum { + SRC_BUF_SIZE = 45, /* This *MUST* be a multiple of 3 */ + DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3), }; -/* - * Encode the string S of length LENGTH to base64 format and place it - * to STORE. STORE will be 0-terminated, and must point to a writable - * buffer of at least 1+BASE64_LENGTH(length) bytes. - * where BASE64_LENGTH(len) = (4 * ((LENGTH + 2) / 3)) - */ -static void uuencode (const char *s, const char *store, const int length, const char *tbl) -{ - int i; - unsigned char *p = (unsigned char *)store; - - /* Transform the 3x8 bits to 4x6 bits, as required by base64. */ - for (i = 0; i < length; i += 3) { - *p++ = tbl[s[0] >> 2]; - *p++ = tbl[((s[0] & 3) << 4) + (s[1] >> 4)]; - *p++ = tbl[((s[1] & 0xf) << 2) + (s[2] >> 6)]; - *p++ = tbl[s[2] & 0x3f]; - s += 3; - } - /* Pad the result if necessary... */ - if (i == length + 1) { - *(p - 1) = tbl[64]; - } - else if (i == length + 2) { - *(p - 1) = *(p - 2) = tbl[64]; - } - /* ...and zero-terminate it. */ - *p = '\0'; -} - -#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) MAIN_EXTERNALLY_VISIBLE; int uuencode_main(int argc, char **argv) { - const int src_buf_size = SRC_BUF_SIZE; - const int dst_buf_size = DST_BUF_SIZE; - int write_size = dst_buf_size; struct stat stat_buf; - FILE *src_stream = stdin; + int src_fd = STDIN_FILENO; 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 = tbl_std; - if (bb_getopt_ulflags(argc, argv, "m") & 1) { - tbl = tbl_base64; + 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; } - - switch (argc - optind) { - case 2: - src_stream = bb_xfopen(argv[optind], "r"); - if (stat(argv[optind], &stat_buf) < 0) { - bb_perror_msg_and_die("stat"); - } - 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(); + argv += optind; + if (argc == optind + 2) { + src_fd = xopen(*argv, O_RDONLY); + fstat(src_fd, &stat_buf); + mode = stat_buf.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO); + argv++; } - bb_printf("begin%s %o %s", tbl == 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); - } + 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 */ - uuencode(src_buf, dst_buf, size, tbl); - - putchar('\n'); - if (tbl == tbl_std) { - putchar(tbl[size]); - } - if (fwrite(dst_buf, 1, write_size, stdout) != write_size) { - bb_perror_msg_and_die(bb_msg_write_error); + 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)); } - bb_printf(tbl == tbl_std ? "\n`\nend\n" : "\n====\n"); - - bb_xferror(src_stream, "source"); /* TODO - Fix this! */ + printf(tbl == bb_uuenc_tbl_std ? "\n`\nend\n" : "\n====\n"); - bb_fflush_stdout_and_exit(EXIT_SUCCESS); + fflush_stdout_and_exit(EXIT_SUCCESS); } |