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-rw-r--r--tools/firmware-utils/src/xorimage.c155
1 files changed, 0 insertions, 155 deletions
diff --git a/tools/firmware-utils/src/xorimage.c b/tools/firmware-utils/src/xorimage.c
deleted file mode 100644
index 94190fd181..0000000000
--- a/tools/firmware-utils/src/xorimage.c
+++ /dev/null
@@ -1,155 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * xorimage.c - partially based on OpenWrt's addpattern.c
- */
-
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdbool.h>
-#include <stdint.h>
-#include <unistd.h>
-#include <sys/stat.h>
-
-static char default_pattern[] = "12345678";
-static int is_hex_pattern;
-
-
-int xor_data(void *data, size_t len, const void *pattern, int p_len, int p_off)
-{
- const uint8_t *key = pattern;
- uint8_t *d = data;
-
- while (len--) {
- *d ^= key[p_off];
- d++;
- p_off = (p_off + 1) % p_len;
- }
- return p_off;
-}
-
-
-void usage(void) __attribute__ (( __noreturn__ ));
-
-void usage(void)
-{
- fprintf(stderr, "Usage: xorimage [-i infile] [-o outfile] [-p <pattern>] [-x]\n");
- exit(EXIT_FAILURE);
-}
-
-
-int main(int argc, char **argv)
-{
- char buf[1024]; /* keep this at 1k or adjust garbage calc below */
- FILE *in = stdin;
- FILE *out = stdout;
- char *ifn = NULL;
- char *ofn = NULL;
- const char *pattern = default_pattern;
- char hex_pattern[128];
- unsigned int hex_buf;
- int c;
- size_t n;
- int p_len, p_off = 0;
-
- while ((c = getopt(argc, argv, "i:o:p:xh")) != -1) {
- switch (c) {
- case 'i':
- ifn = optarg;
- break;
- case 'o':
- ofn = optarg;
- break;
- case 'p':
- pattern = optarg;
- break;
- case 'x':
- is_hex_pattern = true;
- break;
- case 'h':
- default:
- usage();
- }
- }
-
- if (optind != argc || optind == 1) {
- fprintf(stderr, "illegal arg \"%s\"\n", argv[optind]);
- usage();
- }
-
- if (ifn && !(in = fopen(ifn, "r"))) {
- fprintf(stderr, "can not open \"%s\" for reading\n", ifn);
- usage();
- }
-
- if (ofn && !(out = fopen(ofn, "w"))) {
- fprintf(stderr, "can not open \"%s\" for writing\n", ofn);
- usage();
- }
-
- p_len = strlen(pattern);
-
- if (p_len == 0) {
- fprintf(stderr, "pattern cannot be empty\n");
- usage();
- }
-
- if (is_hex_pattern) {
- int i;
-
- if ((p_len / 2) > sizeof(hex_pattern)) {
- fprintf(stderr, "provided hex pattern is too long\n");
- usage();
- }
-
- if (p_len % 2 != 0) {
- fprintf(stderr, "the number of characters (hex) is incorrect\n");
- usage();
- }
-
- for (i = 0; i < (p_len / 2); i++) {
- if (sscanf(pattern + (i * 2), "%2x", &hex_buf) < 0) {
- fprintf(stderr, "invalid hex digit around %d\n", i * 2);
- usage();
- }
- hex_pattern[i] = (char)hex_buf;
- }
- }
-
- while ((n = fread(buf, 1, sizeof(buf), in)) > 0) {
- if (n < sizeof(buf)) {
- if (ferror(in)) {
- FREAD_ERROR:
- fprintf(stderr, "fread error\n");
- return EXIT_FAILURE;
- }
- }
-
- if (is_hex_pattern) {
- p_off = xor_data(buf, n, hex_pattern, (p_len / 2),
- p_off);
- } else {
- p_off = xor_data(buf, n, pattern, p_len, p_off);
- }
-
- if (!fwrite(buf, n, 1, out)) {
- FWRITE_ERROR:
- fprintf(stderr, "fwrite error\n");
- return EXIT_FAILURE;
- }
- }
-
- if (ferror(in)) {
- goto FREAD_ERROR;
- }
-
- if (fflush(out)) {
- goto FWRITE_ERROR;
- }
-
- fclose(in);
- fclose(out);
-
- return EXIT_SUCCESS;
-}