diff options
Diffstat (limited to 'tools/firmware-utils/src/edimax_fw_header.c')
-rw-r--r-- | tools/firmware-utils/src/edimax_fw_header.c | 382 |
1 files changed, 0 insertions, 382 deletions
diff --git a/tools/firmware-utils/src/edimax_fw_header.c b/tools/firmware-utils/src/edimax_fw_header.c deleted file mode 100644 index f326f246ba..0000000000 --- a/tools/firmware-utils/src/edimax_fw_header.c +++ /dev/null @@ -1,382 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2014 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 <arpa/inet.h> -#include <netinet/in.h> - -#define MAX_MAGIC_LEN 16 -#define MAX_MODEL_LEN 32 -#define MAX_VERSION_LEN 14 -#define MAX_MTD_NAME_LEN 16 - -#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) - -struct edimax_header { - char magic[MAX_MAGIC_LEN]; - char model[MAX_MODEL_LEN]; - unsigned char force; - unsigned char header_csum; - unsigned char data_csum; - uint32_t data_size; - uint32_t start_addr; - uint32_t end_addr; - char fw_version[MAX_VERSION_LEN]; - unsigned char type; - char mtd_name[MAX_MTD_NAME_LEN]; -} __attribute__ ((packed)); - -/* - * Globals - */ -static char *ofname; -static char *ifname; -static char *progname; - -static char *model; -static char *magic = "eDiMaX"; -static char *fw_version = ""; -static char *mtd_name; -static int force; -static uint32_t start_addr; -static uint32_t end_addr; -static uint8_t image_type; -static int data_size; - -/* - * 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" -" -e <addr> set end addr to <addr>\n" -" -f set force flag\n" -" -h show this screen\n" -" -i <file> read input data from the file <file>\n" -" -o <file> write output to the file <file>\n" -" -m <model> set model to <model>\n" -" -M <magic> set image magic to <magic>\n" -" -n <name> set MTD device name to <name>\n" -" -s <addr> set start address to <addr>\n" -" -t <type> set image type to <type>\n" -" -v <version> set firmware version to <version>\n" - ); - - exit(status); -} - -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; -} - -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) || (t >= 0x100)) { - return -1; - } - - *val = t & 0xFF; - return 0; -} - -static int get_file_size(char *name) -{ - struct stat st; - int res; - - res = stat(name, &st); - if (res){ - ERRS("stat failed on %s", name); - return -1; - } - - return st.st_size; -} - -static int read_to_buf(char *name, char *buf, int buflen) -{ - FILE *f; - int ret = EXIT_FAILURE; - - f = fopen(name, "r"); - if (f == NULL) { - ERRS("could not open \"%s\" for reading", name); - goto out; - } - - errno = 0; - fread(buf, buflen, 1, f); - if (errno != 0) { - ERRS("unable to read from file \"%s\"", name); - goto out_close; - } - - ret = EXIT_SUCCESS; - -out_close: - fclose(f); -out: - return ret; -} - -static int check_options(void) -{ -#define CHKSTR(_name, _msg) \ - do { \ - if (_name == NULL) { \ - ERR("no %s specified", _msg); \ - return -1; \ - } \ - } while (0) - -#define CHKSTRLEN(_name, _msg) \ - do { \ - int field_len; \ - CHKSTR(_name, _msg); \ - field_len = FIELD_SIZEOF(struct edimax_header, _name) - 1; \ - if (strlen(_name) > field_len) { \ - ERR("'%s' is too long, max %s length is %d", \ - _name, _msg, field_len); \ - return -1; \ - } \ - } while (0) - - CHKSTR(ofname, "output file"); - CHKSTR(ifname, "input file"); - - CHKSTRLEN(magic, "magic"); - CHKSTRLEN(model, "model"); - CHKSTRLEN(mtd_name, "MTD device name"); - CHKSTRLEN(fw_version, "firware version"); - - data_size = get_file_size(ifname); - if (data_size < 0) - return -1; - - 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; - } - - DBG("firmware file \"%s\" completed", ofname); - - ret = EXIT_SUCCESS; - -out_flush: - fflush(f); - fclose(f); - if (ret != EXIT_SUCCESS) { - unlink(ofname); - } -out: - return ret; -} - -static unsigned char checksum(unsigned char *p, unsigned len) -{ - unsigned char csum = 0; - - while (len--) - csum += *p++; - - csum ^= 0xb9; - - return csum; -} - -static int build_fw(void) -{ - int buflen; - char *buf; - char *data; - struct edimax_header *hdr; - int ret = EXIT_FAILURE; - - buflen = sizeof(struct edimax_header) + data_size; - - buf = malloc(buflen); - if (!buf) { - ERR("no memory for buffer\n"); - goto out; - } - - data = buf + sizeof(struct edimax_header); - - /* read input file */ - ret = read_to_buf(ifname, data, data_size); - if (ret) - goto out_free_buf; - - /* fill firmware header */ - hdr = (struct edimax_header *)buf; - memset(hdr, 0, sizeof(struct edimax_header)); - - strncpy(hdr->model, model, sizeof(hdr->model)); - strncpy(hdr->magic, magic, sizeof(hdr->magic)); - strncpy(hdr->fw_version, fw_version, sizeof(hdr->fw_version)); - strncpy(hdr->mtd_name, mtd_name, sizeof(hdr->mtd_name)); - - hdr->force = force; - hdr->start_addr = htonl(start_addr); - hdr->end_addr = htonl(end_addr); - hdr->data_size = htonl(data_size); - hdr->type = image_type; - - hdr->data_csum = checksum((unsigned char *)data, data_size); - hdr->header_csum = checksum((unsigned char *)hdr, - sizeof(struct edimax_header)); - - ret = write_fw(buf, buflen); - if (ret) - goto out_free_buf; - - 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, "e:fhi:o:m:M:n:s:t:v:"); - if (c == -1) - break; - - switch (c) { - case 'e': - if (str2u32(optarg, &end_addr)) { - ERR("%s is invalid '%s'", - "end address", optarg); - goto out; - } - break; - case 'f': - force = 1; - break; - case 'i': - ifname = optarg; - break; - case 'h': - usage(EXIT_SUCCESS); - break; - case 'o': - ofname = optarg; - break; - case 'm': - model = optarg; - break; - case 'M': - magic = optarg; - break; - case 'n': - mtd_name = optarg; - break; - case 's': - if (str2u32(optarg, &start_addr)) { - ERR("%s is invalid '%s'", - "start address", optarg); - goto out; - } - break; - case 't': - if (str2u8(optarg, &image_type)) { - ERR("%s is invalid '%s'", - "image type", optarg); - goto out; - } - break; - case 'v': - fw_version = optarg; - break; - default: - usage(EXIT_FAILURE); - break; - } - } - - ret = check_options(); - if (ret) - goto out; - - ret = build_fw(); - -out: - return ret; -} |