diff options
Diffstat (limited to 'tools/firmware-utils/src/mkwrgimg.c')
| -rw-r--r-- | tools/firmware-utils/src/mkwrgimg.c | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/tools/firmware-utils/src/mkwrgimg.c b/tools/firmware-utils/src/mkwrgimg.c deleted file mode 100644 index 9a5993c277..0000000000 --- a/tools/firmware-utils/src/mkwrgimg.c +++ /dev/null @@ -1,236 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> - */ - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> -#include <libgen.h> -#include <getopt.h> -#include <stdarg.h> -#include <errno.h> -#include <sys/stat.h> - -#include "md5.h" - -#define ERR(fmt, ...) do { \ - fflush(0); \ - fprintf(stderr, "[%s] *** error: " fmt "\n", \ - progname, ## __VA_ARGS__ ); \ -} while (0) - -#define ERRS(fmt, ...) do { \ - int save = errno; \ - fflush(0); \ - fprintf(stderr, "[%s] *** error: " fmt ", %s\n", \ - progname, ## __VA_ARGS__, strerror(save)); \ -} while (0) - -#define WRG_MAGIC 0x20040220 - -struct wrg_header { - char signature[32]; - uint32_t magic1; - uint32_t magic2; - uint32_t size; - uint32_t offset; - char devname[32]; - char digest[16]; -} __attribute__ ((packed)); - -static char *progname; -static char *ifname; -static char *ofname; -static char *signature; -static char *dev_name; -static uint32_t offset; -static int big_endian; - -void usage(int status) -{ - FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout; - - fprintf(stream, "Usage: %s [OPTIONS...]\n", progname); - fprintf(stream, -"\n" -"Options:\n" -" -b create image in big endian format\n" -" -i <file> read input from the file <file>\n" -" -d <name> set device name to <name>\n" -" -o <file> write output to the file <file>\n" -" -O <offset> set offset to <offset>\n" -" -s <sig> set image signature to <sig>\n" -" -h show this screen\n" - ); - - exit(status); -} - -static void put_u32(void *data, uint32_t val) -{ - unsigned char *p = data; - - if (big_endian) { - p[0] = (val >> 24) & 0xff; - p[1] = (val >> 16) & 0xff; - p[2] = (val >> 8) & 0xff; - p[3] = val & 0xff; - } else { - p[3] = (val >> 24) & 0xff; - p[2] = (val >> 16) & 0xff; - p[1] = (val >> 8) & 0xff; - p[0] = val & 0xff; - } -} - -static void get_digest(struct wrg_header *header, char *data, int size) -{ - MD5_CTX ctx; - - MD5_Init(&ctx); - - MD5_Update(&ctx, (char *)&header->offset, sizeof(header->offset)); - MD5_Update(&ctx, (char *)&header->devname, sizeof(header->devname)); - MD5_Update(&ctx, data, size); - - MD5_Final((unsigned char *)header->digest, &ctx); -} - -int main(int argc, char *argv[]) -{ - struct wrg_header *header; - char *buf; - struct stat st; - int buflen; - int err; - int res = EXIT_FAILURE; - - FILE *outfile, *infile; - - progname = basename(argv[0]); - - while ( 1 ) { - int c; - - c = getopt(argc, argv, "bd:i:o:s:O:h"); - if (c == -1) - break; - - switch (c) { - case 'b': - big_endian = 1; - break; - case 'd': - dev_name = optarg; - break; - case 'i': - ifname = optarg; - break; - case 'o': - ofname = optarg; - break; - case 's': - signature = optarg; - break; - case 'O': - offset = strtoul(optarg, NULL, 0); - break; - case 'h': - usage(EXIT_SUCCESS); - break; - - default: - usage(EXIT_FAILURE); - break; - } - } - - if (signature == NULL) { - ERR("no signature specified"); - goto err; - } - - if (ifname == NULL) { - ERR("no input file specified"); - goto err; - } - - if (ofname == NULL) { - ERR("no output file specified"); - goto err; - } - - if (dev_name == NULL) { - ERR("no device name specified"); - goto err; - } - - err = stat(ifname, &st); - if (err){ - ERRS("stat failed on %s", ifname); - goto err; - } - - buflen = st.st_size + sizeof(struct wrg_header); - buf = malloc(buflen); - if (!buf) { - ERR("no memory for buffer\n"); - goto err; - } - - infile = fopen(ifname, "r"); - if (infile == NULL) { - ERRS("could not open \"%s\" for reading", ifname); - goto err_free; - } - - errno = 0; - fread(buf + sizeof(struct wrg_header), st.st_size, 1, infile); - if (errno != 0) { - ERRS("unable to read from file %s", ifname); - goto close_in; - } - - header = (struct wrg_header *) buf; - memset(header, '\0', sizeof(struct wrg_header)); - - strncpy(header->signature, signature, sizeof(header->signature)); - strncpy(header->devname, dev_name, sizeof(header->signature)); - put_u32(&header->magic1, WRG_MAGIC); - put_u32(&header->magic2, WRG_MAGIC); - put_u32(&header->size, st.st_size); - put_u32(&header->offset, offset); - - get_digest(header, buf + sizeof(struct wrg_header), st.st_size); - - outfile = fopen(ofname, "w"); - if (outfile == NULL) { - ERRS("could not open \"%s\" for writing", ofname); - goto close_in; - } - - errno = 0; - fwrite(buf, buflen, 1, outfile); - if (errno) { - ERRS("unable to write to file %s", ofname); - goto close_out; - } - - fflush(outfile); - - res = EXIT_SUCCESS; - -close_out: - fclose(outfile); - if (res != EXIT_SUCCESS) - unlink(ofname); -close_in: - fclose(infile); -err_free: - free(buf); -err: - return res; -} |