diff options
Diffstat (limited to 'tools/firmware-utils/src/mkcameofw.c')
-rw-r--r-- | tools/firmware-utils/src/mkcameofw.c | 429 |
1 files changed, 0 insertions, 429 deletions
diff --git a/tools/firmware-utils/src/mkcameofw.c b/tools/firmware-utils/src/mkcameofw.c deleted file mode 100644 index 71fb7a2756..0000000000 --- a/tools/firmware-utils/src/mkcameofw.c +++ /dev/null @@ -1,429 +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 <arpa/inet.h> -#include <netinet/in.h> - -#define MAX_MODEL_LEN 20 -#define MAX_SIGNATURE_LEN 30 -#define MAX_REGION_LEN 4 -#define MAX_VERSION_LEN 12 - -#define FIELD_SIZEOF(t, f) (sizeof(((t*)0)->f)) - -struct file_info { - char *file_name; /* name of the file */ - uint32_t file_size; /* length of the file */ - uint32_t write_size; -}; - -struct img_header { - uint32_t checksum; - uint32_t image_size; - uint32_t kernel_size; - char model[MAX_MODEL_LEN]; - char signature[MAX_SIGNATURE_LEN]; - char region[MAX_REGION_LEN]; - char version[MAX_VERSION_LEN]; - unsigned char header_len; - unsigned char is_tgz; - unsigned char pad[4]; -} __attribute__ ((packed)); - -/* - * Globals - */ -static char *ofname; -static char *progname; - -static char *model; -static char *signature; -static char *region = "DEF"; -static char *version; -static struct file_info kernel_info; -static struct file_info rootfs_info; -static uint32_t kernel_size; -static uint32_t image_size; -static int combined; - -/* - * 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" -" -k <file> read kernel image from the file <file>\n" -" -c use the kernel image as a combined image\n" -" -M <model> set model to <model>\n" -" -o <file> write output to the file <file>\n" -" -r <file> read rootfs image from the file <file>\n" -" -S <signature> set image signature to <signature>\n" -" -R <region> set image region to <region>\n" -" -V <version> set image version to <version>\n" -" -I <size> set image size to <size>\n" -" -K <size> set kernel size to <size>\n" -" -h show this screen\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; -} - -static int get_file_stat(struct file_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; - fdata->write_size = fdata->file_size; - return 0; -} - -static int read_to_buf(struct file_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; - -#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 img_header, _name) - 1; \ - if (strlen(_name) > field_len) { \ - ERR("%s is too long, max length is %d", \ - _msg, field_len); \ - return -1; \ - } \ - } while (0) - - CHKSTRLEN(model, "model"); - CHKSTRLEN(signature, "signature"); - CHKSTRLEN(region, "region"); - CHKSTRLEN(version, "version"); - CHKSTR(ofname, "output file"); - CHKSTR(kernel_info.file_name, "kernel image"); - - ret = get_file_stat(&kernel_info); - if (ret) - return ret; - - if (combined) { - if (!kernel_size) { - ERR("kernel size must be specified for combined images"); - return -1; \ - } - - if (!image_size) - image_size = kernel_info.file_size; - - if (kernel_info.file_size > image_size) { - ERR("kernel image is too big"); - return -1; - } - - kernel_info.write_size = image_size; - } else { - CHKSTR(rootfs_info.file_name, "rootfs image"); - - ret = get_file_stat(&rootfs_info); - if (ret) - return ret; - - if (kernel_size) { - /* override kernel size */ - kernel_info.write_size = kernel_size; - } - - if (image_size) { - if (image_size < kernel_info.write_size) - kernel_info.write_size = image_size; - - /* override rootfs size */ - rootfs_info.write_size = image_size - kernel_info.write_size; - } - - if (kernel_info.file_size > kernel_info.write_size) { - ERR("kernel image is too big"); - return -1; - } - - if (rootfs_info.file_size > rootfs_info.write_size) { - ERR("rootfs image is too big"); - 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 uint32_t get_csum(unsigned char *p, uint32_t len) -{ - uint32_t csum = 0; - - while (len--) - csum += *p++; - - return csum; -} - -static int build_fw(void) -{ - int buflen; - char *buf; - char *p; - uint32_t csum; - struct img_header *hdr; - int ret = EXIT_FAILURE; - - buflen = sizeof(struct img_header) + - kernel_info.write_size + rootfs_info.write_size; - - buf = malloc(buflen); - if (!buf) { - ERR("no memory for buffer\n"); - goto out; - } - - memset(buf, 0, buflen); - - p = buf + sizeof(struct img_header); - - /* read kernel data */ - ret = read_to_buf(&kernel_info, p); - if (ret) - goto out_free_buf; - - if (!combined) { - p += kernel_info.write_size; - - /* read rootfs data */ - ret = read_to_buf(&rootfs_info, p); - if (ret) - goto out_free_buf; - } - - csum = get_csum((unsigned char *)(buf + sizeof(struct img_header)), - buflen - sizeof(struct img_header)); - - /* fill firmware header */ - hdr = (struct img_header *) buf; - - hdr->checksum = htonl(csum); - hdr->image_size = htonl(buflen - sizeof(struct img_header)); - if (!combined) - hdr->kernel_size = htonl(kernel_info.write_size); - else - hdr->kernel_size = htonl(kernel_size); - hdr->header_len = sizeof(struct img_header); - strncpy(hdr->model, model, sizeof(hdr->model)); - strncpy(hdr->signature, signature, sizeof(hdr->signature)); - strncpy(hdr->version, version, sizeof(hdr->version)); - strncpy(hdr->region, region, sizeof(hdr->region)); - - 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, "M:S:V:R:k:K:I:r:o:hc"); - if (c == -1) - break; - - switch (c) { - case 'M': - model = optarg; - break; - case 'S': - signature = optarg; - break; - case 'V': - version = optarg; - break; - case 'R': - region = optarg; - break; - case 'k': - kernel_info.file_name = optarg; - break; - case 'K': - if (str2u32(optarg, &kernel_size)) { - ERR("%s is invalid '%s'", - "kernel size", optarg); - goto out; - } - break; - case 'I': - if (str2u32(optarg, &image_size)) { - ERR("%s is invalid '%s'", - "image size", optarg); - goto out; - } - break; - case 'r': - rootfs_info.file_name = optarg; - break; - case 'c': - combined = 1; - 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 = build_fw(); - -out: - return ret; -} - |