diff options
Diffstat (limited to 'tools/firmware-utils/src/mkdapimg.c')
| -rw-r--r-- | tools/firmware-utils/src/mkdapimg.c | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/tools/firmware-utils/src/mkdapimg.c b/tools/firmware-utils/src/mkdapimg.c deleted file mode 100644 index e8b12599d8..0000000000 --- a/tools/firmware-utils/src/mkdapimg.c +++ /dev/null @@ -1,228 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -#include <stdio.h> -#include <stdint.h> -#include <stdlib.h> -#include <unistd.h> -#include <libgen.h> -#include <stdarg.h> -#include <getopt.h> -#include <string.h> -#include <errno.h> - -#include <netinet/in.h> // htonl - -// Usage: mkdapimg [-p] [-m <model>] -s <sig> -i <input> -o <output> -// -// e.g.: mkdapimg -s RT3052-AP-DAP1350-3 -i sysupgrade.bin -o factory.bin -// -// If the model string <model> is not given, we will assume that -// the leading characters upto the first "-" is the model. -// -// The "-p" (patch) option is used to patch the exisiting image with the -// specified model and signature. -// The "-x" (fix) option will recalculate the payload size and checksum -// during the patch mode operation. - -// The img_hdr_struct was taken from the D-Link SDK: -// DAP-1350_A1_FW1.11NA_GPL/GPL_Source_Code/Uboot/DAP-1350/httpd/header.h - -#define MAX_MODEL_NAME_LEN 20 -#define MAX_SIG_LEN 30 -#define MAX_REGION_LEN 4 -#define MAX_VERSION_LEN 12 - -struct img_hdr_struct { - uint32_t checksum; - char model[MAX_MODEL_NAME_LEN]; - char sig[MAX_SIG_LEN]; - uint8_t partition; - uint8_t hdr_len; - uint8_t rsv1; - uint8_t rsv2; - uint32_t flash_byte_cnt; -} imghdr ; - -char *progname; - -void -perrexit(int code, char *msg) -{ - fprintf(stderr, "%s: %s: %s\n", progname, msg, strerror(errno)); - exit(code); -} - -void -usage() -{ - fprintf(stderr, "usage: %s [-p] [-m model] [-r region] [-v version] -s signature -i input -o output\n", progname); - exit(1); -} - -int -main(int ac, char *av[]) -{ - char model[MAX_MODEL_NAME_LEN+1]; - char signature[MAX_SIG_LEN+1]; - char region[MAX_REGION_LEN+1]; - char version[MAX_VERSION_LEN+1]; - int patchmode = 0; - int fixmode = 0; - int have_regionversion = 0; - - FILE *ifile = NULL; - FILE *ofile = NULL; - int c; - uint32_t cksum; - uint32_t bcnt; - - progname = basename(av[0]); - memset(model, 0, sizeof(model)); - memset(signature, 0, sizeof(signature)); - memset(region, 0, sizeof(region)); - memset(version, 0, sizeof(version)); - - while ( 1 ) { - int c; - - c = getopt(ac, av, "pxm:r:v:s:i:o:"); - if (c == -1) - break; - - switch (c) { - case 'p': - patchmode = 1; - break; - case 'x': - fixmode = 1; - break; - case 'm': - if (strlen(optarg) > MAX_MODEL_NAME_LEN) { - fprintf(stderr, "%s: model name exceeds %d chars\n", - progname, MAX_MODEL_NAME_LEN); - exit(1); - } - strcpy(model, optarg); - break; - case 'r': - if (strlen(optarg) > MAX_REGION_LEN) { - fprintf(stderr, "%s: region exceeds %d chars\n", - progname, MAX_REGION_LEN); - exit(1); - } - have_regionversion = 1; - strcpy(region, optarg); - break; - case 'v': - if (strlen(optarg) > MAX_VERSION_LEN) { - fprintf(stderr, "%s: version exceeds %d chars\n", - progname, MAX_VERSION_LEN); - exit(1); - } - have_regionversion = 1; - strcpy(version, optarg); - break; - case 's': - if (strlen(optarg) > MAX_SIG_LEN) { - fprintf(stderr, "%s: signature exceeds %d chars\n", - progname, MAX_SIG_LEN); - exit(1); - } - strcpy(signature, optarg); - break; - case 'i': - if ((ifile = fopen(optarg, "r")) == NULL) - perrexit(1, optarg); - break; - case 'o': - if ((ofile = fopen(optarg, "w")) == NULL) - perrexit(1, optarg); - break; - default: - usage(); - } - } - - if (signature[0] == 0 || ifile == NULL || ofile == NULL) { - usage(); - } - - if (model[0] == 0) { - char *p = strchr(signature, '-'); - if (p == NULL) { - fprintf(stderr, "%s: model name unknown\n", progname); - exit(1); - } - if (p - signature > MAX_MODEL_NAME_LEN) { - *p = 0; - fprintf(stderr, "%s: auto model name failed, string %s too long\n", progname, signature); - exit(1); - } - strncpy(model, signature, p - signature); - } - - if (patchmode) { - if (fread(&imghdr, sizeof(imghdr), 1, ifile) < 0) - perrexit(2, "fread on input"); - } - - for (bcnt = 0, cksum = 0 ; (c = fgetc(ifile)) != EOF ; bcnt++) - cksum += c & 0xff; - - if (fseek(ifile, patchmode ? sizeof(imghdr) : 0, SEEK_SET) < 0) - perrexit(2, "fseek on input"); - - if (patchmode == 0) { - // Fill in the header - memset(&imghdr, 0, sizeof(imghdr)); - imghdr.checksum = htonl(cksum); - imghdr.partition = 0 ; // don't care? - imghdr.hdr_len = sizeof(imghdr); - if (have_regionversion) { - imghdr.hdr_len += MAX_REGION_LEN; - imghdr.hdr_len += MAX_VERSION_LEN; - } - imghdr.flash_byte_cnt = htonl(bcnt); - } else { - if (ntohl(imghdr.checksum) != cksum) { - fprintf(stderr, "%s: patch mode, checksum mismatch\n", - progname); - if (fixmode) { - fprintf(stderr, "%s: fixing\n", progname); - imghdr.checksum = htonl(cksum); - } else - exit(3); - } else if (ntohl(imghdr.flash_byte_cnt) != bcnt) { - fprintf(stderr, "%s: patch mode, size mismatch\n", - progname); - if (fixmode) { - fprintf(stderr, "%s: fixing\n", progname); - imghdr.flash_byte_cnt = htonl(bcnt); - } else - exit(3); - } - } - - strncpy(imghdr.model, model, MAX_MODEL_NAME_LEN); - strncpy(imghdr.sig, signature, MAX_SIG_LEN); - - if (fwrite(&imghdr, sizeof(imghdr), 1, ofile) < 0) - perrexit(2, "fwrite header on output"); - if (have_regionversion) { - if (fwrite(®ion, MAX_REGION_LEN, 1, ofile) < 0) - perrexit(2, "fwrite header on output"); - if (fwrite(&version, MAX_VERSION_LEN, 1, ofile) < 0) - perrexit(2, "fwrite header on output"); - } - - while ((c = fgetc(ifile)) != EOF) { - if (fputc(c, ofile) == EOF) - perrexit(2, "fputc on output"); - } - - if (ferror(ifile)) - perrexit(2, "fgetc on input"); - - - fclose(ofile); - fclose(ifile); -} |