diff options
Diffstat (limited to 'tools/firmware-utils/src/fix-u-media-header.c')
| -rw-r--r-- | tools/firmware-utils/src/fix-u-media-header.c | 350 |
1 files changed, 0 insertions, 350 deletions
diff --git a/tools/firmware-utils/src/fix-u-media-header.c b/tools/firmware-utils/src/fix-u-media-header.c deleted file mode 100644 index 8b6a81a5e3..0000000000 --- a/tools/firmware-utils/src/fix-u-media-header.c +++ /dev/null @@ -1,350 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2012 Gabor Juhos <juhosg@openwrt.org> - */ -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <string.h> -#include <unistd.h> /* for unlink() */ -#include <libgen.h> -#include <getopt.h> /* for getopt() */ -#include <stdarg.h> -#include <errno.h> -#include <sys/stat.h> - -#include "cyg_crc.h" - -#include <arpa/inet.h> -#include <netinet/in.h> - -#define IH_MAGIC 0x27051956 /* Image Magic Number */ -#define IH_NMLEN 32 /* Image Name Length */ - -#define UM_MAGIC 0x55525F46 -#define UM_HEADER_LEN 12 - -/* - * all data in network byte order (aka natural aka bigendian) - */ -struct u_media_header { - uint32_t ih_magic; /* Image Header Magic Number */ - uint32_t ih_hcrc; /* Image Header CRC Checksum */ - uint32_t ih_time; /* Image Creation Timestamp */ - uint32_t ih_size; /* Image Data Size */ - uint32_t ih_load; /* Data Load Address */ - uint32_t ih_ep; /* Entry Point Address */ - uint32_t ih_dcrc; /* Image Data CRC Checksum */ - uint8_t ih_os; /* Operating System */ - uint8_t ih_arch; /* CPU architecture */ - uint8_t ih_type; /* Image Type */ - uint8_t ih_comp; /* Compression Type */ - uint8_t ih_name[IH_NMLEN - UM_HEADER_LEN]; /* Image Name */ - - uint32_t ih_UMedia_magic; /* U-Media magic number */ - uint32_t ih_UMedia_boardID; /* U-Media board ID */ - uint8_t ih_UMedia_imageType; /* U-Media image type */ - uint8_t ih_UMedia_LoadDefault; /* U-Media load to factory default setting */ - uint8_t ih_UMedia_temp1; /* U-Media didn't use this tag */ - uint8_t ih_UMedia_temp2; /* U-Media didn't use this tag */ -} __attribute__ ((packed)); - -struct if_info { - char *file_name; /* name of the file */ - uint32_t file_size; /* length of the file */ -}; - -static char *progname; -static char *ofname; -static struct if_info if_info; -static int factory_defaults; -static uint32_t board_id; -static uint8_t image_type; - -/* - * Message macros - */ -#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 DBG(fmt, ...) do { \ - fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \ -} while (0) - -static void usage(int status) -{ - FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout; - - fprintf(stream, "Usage: %s [OPTIONS...]\n", progname); - fprintf(stream, -"\n" -"Options:\n" -" -B <board_id> set board ID to <board_id>\n" -" -i <file> read input from the file <file>\n" -" -F load factory defaults\n" -" -o <file> write output to the file <file>\n" -" -T <type> set image type to <type>\n" -" -h show this screen\n" - ); - - exit(status); -} - -static int str2u32(char *arg, uint32_t *val) -{ - char *err = NULL; - uint32_t t; - - errno=0; - t = strtoul(arg, &err, 0); - if (errno || (err==arg) || ((err != NULL) && *err)) { - return -1; - } - - *val = t; - return 0; -} - -static int str2u8(char *arg, uint8_t *val) -{ - char *err = NULL; - uint32_t t; - - errno=0; - t = strtoul(arg, &err, 0); - if (errno || (err==arg) || ((err != NULL) && *err)) { - return -1; - } - - if (t > 255) - return -1; - - *val = t; - return 0; -} - -static int get_file_stat(struct if_info *fdata) -{ - struct stat st; - int res; - - if (fdata->file_name == NULL) - return 0; - - res = stat(fdata->file_name, &st); - if (res){ - ERRS("stat failed on %s", fdata->file_name); - return res; - } - - fdata->file_size = st.st_size; - return 0; -} - -static int read_to_buf(struct if_info *fdata, char *buf) -{ - FILE *f; - int ret = EXIT_FAILURE; - - f = fopen(fdata->file_name, "r"); - if (f == NULL) { - ERRS("could not open \"%s\" for reading", fdata->file_name); - goto out; - } - - errno = 0; - fread(buf, fdata->file_size, 1, f); - if (errno != 0) { - ERRS("unable to read from file \"%s\"", fdata->file_name); - goto out_close; - } - - ret = EXIT_SUCCESS; - -out_close: - fclose(f); -out: - return ret; -} - -static int check_options(void) -{ - int ret; - - if (ofname == NULL) { - ERR("no %s specified", "output file"); - return -1; - } - - if (if_info.file_name == NULL) { - ERR("no %s specified", "input file"); - return -1; - } - - ret = get_file_stat(&if_info); - if (ret) - return ret; - - return 0; -} - -static int write_fw(char *data, int len) -{ - FILE *f; - int ret = EXIT_FAILURE; - - f = fopen(ofname, "w"); - if (f == NULL) { - ERRS("could not open \"%s\" for writing", ofname); - goto out; - } - - errno = 0; - fwrite(data, len, 1, f); - if (errno) { - ERRS("unable to write output file"); - goto out_flush; - } - - ret = EXIT_SUCCESS; - -out_flush: - fflush(f); - fclose(f); - if (ret != EXIT_SUCCESS) { - unlink(ofname); - } -out: - return ret; -} - -static int fix_header(void) -{ - int buflen; - char *buf; - uint32_t crc, crc_orig; - struct u_media_header *hdr; - int ret = EXIT_FAILURE; - - buflen = if_info.file_size; - if (buflen < sizeof(*hdr)) { - ERR("invalid input file\n"); - return ret; - } - - buf = malloc(buflen); - if (!buf) { - ERR("no memory for buffer\n"); - goto out; - } - - ret = read_to_buf(&if_info, buf); - if (ret) - goto out_free_buf; - - hdr = (struct u_media_header *) buf; - if (ntohl(hdr->ih_magic) != IH_MAGIC) { - ERR("invalid input file, bad magic\n"); - goto out_free_buf; - } - - /* verify header CRC */ - crc_orig = ntohl(hdr->ih_hcrc); - hdr->ih_hcrc = 0; - crc = cyg_ether_crc32((unsigned char *)hdr, sizeof(*hdr)); - if (crc != crc_orig) { - ERR("invalid input file, bad header CRC\n"); - goto out_free_buf; - } - - hdr->ih_name[IH_NMLEN - UM_HEADER_LEN - 1] = '\0'; - - /* set U-Media specific fields */ - hdr->ih_UMedia_magic = htonl(UM_MAGIC); - hdr->ih_UMedia_boardID = htonl(board_id); - hdr->ih_UMedia_imageType = image_type; - hdr->ih_UMedia_LoadDefault = (factory_defaults) ? 1 : 0; - - /* update header CRC */ - crc = cyg_ether_crc32((unsigned char *)hdr, sizeof(*hdr)); - hdr->ih_hcrc = htonl(crc); - - ret = write_fw(buf, buflen); - if (ret) - goto out_free_buf; - - DBG("U-Media header fixed in \"%s\"", ofname); - - ret = EXIT_SUCCESS; - -out_free_buf: - free(buf); -out: - return ret; -} - -int main(int argc, char *argv[]) -{ - int ret = EXIT_FAILURE; - - progname = basename(argv[0]); - - while (1) { - int c; - - c = getopt(argc, argv, "B:Fi:o:T:h"); - if (c == -1) - break; - - switch (c) { - case 'B': - if (str2u32(optarg, &board_id)) { - ERR("%s is invalid '%s'", - "board ID", optarg); - goto out; - } - break; - case 'T': - if (str2u8(optarg, &image_type)) { - ERR("%s is invalid '%s'", - "image type", optarg); - goto out; - } - break; - case 'F': - factory_defaults = 1; - break; - case 'i': - if_info.file_name = optarg; - break; - case 'o': - ofname = optarg; - break; - case 'h': - usage(EXIT_SUCCESS); - break; - default: - usage(EXIT_FAILURE); - break; - } - } - - ret = check_options(); - if (ret) - goto out; - - ret = fix_header(); - -out: - return ret; -} |