diff options
Diffstat (limited to 'tools/firmware-utils/src/buffalo-tftp.c')
-rw-r--r-- | tools/firmware-utils/src/buffalo-tftp.c | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/tools/firmware-utils/src/buffalo-tftp.c b/tools/firmware-utils/src/buffalo-tftp.c deleted file mode 100644 index 56af4caa93..0000000000 --- a/tools/firmware-utils/src/buffalo-tftp.c +++ /dev/null @@ -1,173 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org> - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <libgen.h> -#include <getopt.h> /* for getopt() */ -#include <stdarg.h> - -#include "buffalo-lib.h" - -#define ERR(fmt, args...) do { \ - fflush(0); \ - fprintf(stderr, "[%s] *** error: " fmt "\n", \ - progname, ## args ); \ -} while (0) - -static char *progname; -static char *ifname; -static char *ofname; -static int do_decrypt; - -void usage(int status) -{ - FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout; - - fprintf(stream, "Usage: %s [OPTIONS...]\n", progname); - fprintf(stream, -"\n" -"Options:\n" -" -d decrypt instead of encrypt\n" -" -i <file> read input from the file <file>\n" -" -o <file> write output to the file <file>\n" -" -h show this screen\n" - ); - - exit(status); -} - -static const unsigned char *crypt_key1 = (unsigned char *) - "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"; -static const unsigned char *crypt_key2 = (unsigned char *) - "XYZ0123hijklmnopqABCDEFGHrstuvabcdefgwxyzIJKLMSTUVW456789NOPQR"; - -static void crypt_header(unsigned char *buf, ssize_t len, - const unsigned char *key1, const unsigned char *key2) -{ - ssize_t i; - - for (i = 0; i < len; i++) { - unsigned int j; - - for (j = 0; key1[j]; j++) - if (buf[i] == key1[j]) { - buf[i] = key2[j]; - break; - } - } -} - -static int crypt_file(void) -{ - unsigned char *buf = NULL; - ssize_t src_len; - int err; - int ret = -1; - - src_len = get_file_size(ifname); - if (src_len < 0) { - ERR("unable to get size of '%s'", ifname); - goto out; - } - - buf = malloc(src_len); - if (buf == NULL) { - ERR("no memory for the buffer"); - goto out; - } - - err = read_file_to_buf(ifname, buf, src_len); - if (err) { - ERR("unable to read from file '%s'", ifname); - goto out; - } - - if (do_decrypt) - crypt_header(buf, 512, crypt_key2, crypt_key1); - else - crypt_header(buf, 512, crypt_key1, crypt_key2); - - err = write_buf_to_file(ofname, buf, src_len); - if (err) { - ERR("unable to write to file '%s'", ofname); - goto out; - } - - ret = 0; - -out: - free(buf); - return ret; -} - -static int check_params(void) -{ - int ret = -1; - - if (ifname == NULL) { - ERR("no input file specified"); - goto out; - } - - if (ofname == NULL) { - ERR("no output file specified"); - goto out; - } - - ret = 0; - -out: - return ret; -} - -int main(int argc, char *argv[]) -{ - int res = EXIT_FAILURE; - int err; - - progname = basename(argv[0]); - - while ( 1 ) { - int c; - - c = getopt(argc, argv, "di:o:h"); - if (c == -1) - break; - - switch (c) { - case 'd': - do_decrypt = 1; - break; - case 'i': - ifname = optarg; - break; - case 'o': - ofname = optarg; - break; - case 'h': - usage(EXIT_SUCCESS); - break; - default: - usage(EXIT_FAILURE); - break; - } - } - - err = check_params(); - if (err) - goto out; - - err = crypt_file(); - if (err) - goto out; - - res = EXIT_SUCCESS; - -out: - return res; -} |