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- /*
- * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- *
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <stdint.h>
- #include <string.h>
- #include <libgen.h>
- #include <getopt.h> /* for getopt() */
- #include <netinet/in.h>
- #include "buffalo-lib.h"
- #define ERR(fmt, ...) do { \
- fflush(0); \
- fprintf(stderr, "[%s] *** error: " fmt "\n", \
- progname, ## __VA_ARGS__ ); \
- } while (0)
- static char *region_table[] = {
- "JP", "US", "EU", "AP", "TW", "KR"
- };
- #define MAX_INPUT_FILES 2
- static char *progname;
- static char *ifname[MAX_INPUT_FILES];
- static ssize_t fsize[MAX_INPUT_FILES];
- static int num_files;
- static char *ofname;
- static char *product;
- static char *brand;
- static char *language;
- static char *hwver;
- static char *platform;
- static int flag;
- static char *major;
- static char *minor = "1.01";
- static int skipcrc;
- static uint32_t base1;
- static uint32_t base2;
- static char *region_code;
- static uint32_t region_mask;
- static int num_regions;
- static int dhp;
- void usage(int status)
- {
- FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
- fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
- fprintf(stream,
- "\n"
- "Options:\n"
- " -a <platform> set platform to <platform>\n"
- " -b <brand> set brand to <brand>\n"
- " -c <base1>\n"
- " -d <base2>\n"
- " -f <flag> set flag to <flag>\n"
- " -i <file> read input from the file <file>\n"
- " -I <file> read input from the file <file> for DHP series\n"
- " -l <language> set language to <language>\n"
- " -m <version> set minor version to <version>\n"
- " -o <file> write output to the file <file>\n"
- " -p <product> set product to <product>\n"
- " -r <region> set image region to <region>\n"
- " valid regions: JP, US, EU, AP, TW, KR, M_\n"
- " -s skip CRC calculation\n"
- " -v <version> set major version to <version>\n"
- " -w <version> set harwdware version to <version>\n"
- " -h show this screen\n"
- );
- exit(status);
- }
- static int check_params(void)
- {
- #define CHECKSTR(_var, _name, _len) do { \
- if ((_var) == NULL) { \
- ERR("no %s specified", (_name)); \
- return -1; \
- } \
- if ((_len) > 0 && \
- strlen((_var)) > ((_len) - 1)) { \
- ERR("%s is too long", (_name)); \
- return -1; \
- } \
- } while (0)
- if (num_files == 0)
- ERR("no input files specified");
- CHECKSTR(ofname, "output file", 0);
- CHECKSTR(brand, "brand", TAG_BRAND_LEN);
- CHECKSTR(product, "product", TAG_PRODUCT_LEN);
- CHECKSTR(platform, "platform", TAG_PLATFORM_LEN);
- CHECKSTR(major, "major version", TAG_VERSION_LEN);
- CHECKSTR(minor, "minor version", TAG_VERSION_LEN);
- CHECKSTR(language, "language", TAG_LANGUAGE_LEN);
- if (hwver)
- CHECKSTR(hwver, "hardware version", 2);
- if (num_regions == 0) {
- ERR("no region code specified");
- return -1;
- }
- return 0;
- #undef CHECKSTR
- }
- static int process_region(char *reg)
- {
- int i;
- if (strlen(reg) != 2) {
- ERR("invalid region code '%s'", reg);
- return -1;
- }
- if (strcmp(reg, "M_") == 0) {
- region_code = reg;
- region_mask |= ~0;
- num_regions = 32;
- return 0;
- }
- for (i = 0; i < ARRAY_SIZE(region_table); i++)
- if (strcmp(reg, region_table[i]) == 0) {
- region_code = reg;
- region_mask |= 1 << i;
- num_regions++;
- return 0;
- }
- ERR("unknown region code '%s'", reg);
- return -1;
- }
- static int process_ifname(char *name)
- {
- if (num_files >= ARRAY_SIZE(ifname)) {
- ERR("too many input files specified");
- return -1;
- }
- ifname[num_files++] = name;
- return 0;
- }
- static void fixup_tag(unsigned char *buf, ssize_t buflen)
- {
- struct buffalo_tag *tag = (struct buffalo_tag *) buf;
- memset(tag, '\0', sizeof(*tag));
- memcpy(tag->brand, brand, strlen(brand));
- memcpy(tag->product, product, strlen(product));
- memcpy(tag->platform, platform, strlen(platform));
- memcpy(tag->ver_major, major, strlen(major));
- memcpy(tag->ver_minor, minor, strlen(minor));
- memcpy(tag->language, language, strlen(language));
- if (num_regions > 1) {
- tag->region_code[0] = 'M';
- tag->region_code[1] = '_';
- tag->region_mask = htonl(region_mask);
- } else {
- memcpy(tag->region_code, region_code, 2);
- }
- tag->len = htonl(buflen);
- tag->data_len = htonl(fsize[0]);
- tag->base1 = htonl(base1);
- tag->base2 = htonl(base2);
- tag->flag = flag;
- if (hwver) {
- memcpy(tag->hwv, "hwv", 3);
- memcpy(tag->hwv_val, hwver, strlen(hwver));
- }
- if (!skipcrc)
- tag->crc = htonl(buffalo_crc(buf, buflen));
- }
- static void fixup_tag2(unsigned char *buf, ssize_t buflen)
- {
- struct buffalo_tag2 *tag = (struct buffalo_tag2 *) buf;
- memset(tag, '\0', sizeof(*tag));
- memcpy(tag->brand, brand, strlen(brand));
- memcpy(tag->product, product, strlen(product));
- memcpy(tag->platform, platform, strlen(platform));
- memcpy(tag->ver_major, major, strlen(major));
- memcpy(tag->ver_minor, minor, strlen(minor));
- memcpy(tag->language, language, strlen(language));
- if (num_regions > 1) {
- tag->region_code[0] = 'M';
- tag->region_code[1] = '_';
- tag->region_mask = htonl(region_mask);
- } else {
- memcpy(tag->region_code, region_code, 2);
- }
- tag->total_len = htonl(buflen);
- tag->len1 = htonl(fsize[0]);
- tag->len2 = htonl(fsize[1]);
- tag->flag = flag;
- if (hwver) {
- memcpy(tag->hwv, "hwv", 3);
- memcpy(tag->hwv_val, hwver, strlen(hwver));
- }
- if (!skipcrc)
- tag->crc = htonl(buffalo_crc(buf, buflen));
- }
- static void fixup_tag3(unsigned char *buf, ssize_t totlen)
- {
- struct buffalo_tag3 *tag = (struct buffalo_tag3 *) buf;
- memset(tag, '\0', sizeof(*tag));
- memcpy(tag->brand, brand, strlen(brand));
- memcpy(tag->product, product, strlen(product));
- memcpy(tag->platform, platform, strlen(platform));
- memcpy(tag->ver_major, major, strlen(major));
- memcpy(tag->ver_minor, minor, strlen(minor));
- memcpy(tag->language, language, strlen(language));
- if (num_regions > 1) {
- tag->region_code[0] = 'M';
- tag->region_code[1] = '_';
- tag->region_mask = htonl(region_mask);
- } else {
- memcpy(tag->region_code, region_code, 2);
- }
- tag->total_len = htonl(totlen);
- tag->len1 = htonl(fsize[0]);
- tag->base2 = htonl(base2);
- if (hwver) {
- memcpy(tag->hwv, "hwv", 3);
- memcpy(tag->hwv_val, hwver, strlen(hwver));
- }
- }
- static int tag_file(void)
- {
- unsigned char *buf;
- ssize_t offset;
- ssize_t hdrlen;
- ssize_t buflen;
- int err;
- int ret = -1;
- int i;
- if (dhp)
- hdrlen = sizeof(struct buffalo_tag3);
- else if (num_files == 1)
- hdrlen = sizeof(struct buffalo_tag);
- else
- hdrlen = sizeof(struct buffalo_tag2);
- buflen = hdrlen;
- for (i = 0; i < num_files; i++) {
- fsize[i] = get_file_size(ifname[i]);
- if (fsize[i] < 0) {
- ERR("unable to get size of '%s'", ifname[i]);
- goto out;
- }
- buflen += fsize[i];
- }
- buf = malloc(buflen);
- if (!buf) {
- ERR("no memory for buffer\n");
- goto out;
- }
- offset = hdrlen;
- for (i = 0; i < num_files; i++) {
- err = read_file_to_buf(ifname[i], buf + offset, fsize[i]);
- if (err) {
- ERR("unable to read from file '%s'", ifname[i]);
- goto free_buf;
- }
- offset += fsize[i];
- }
- if (dhp)
- fixup_tag3(buf, fsize[0] + 200);
- else if (num_files == 1)
- fixup_tag(buf, buflen);
- else
- fixup_tag2(buf, buflen);
- err = write_buf_to_file(ofname, buf, buflen);
- if (err) {
- ERR("unable to write to file '%s'", ofname);
- goto free_buf;
- }
- ret = 0;
- free_buf:
- free(buf);
- out:
- return ret;
- }
- int main(int argc, char *argv[])
- {
- int res = EXIT_FAILURE;
- int err;
- progname = basename(argv[0]);
- while ( 1 ) {
- int c;
- c = getopt(argc, argv, "a:b:c:d:f:hi:l:m:o:p:r:sv:w:I:");
- if (c == -1)
- break;
- switch (c) {
- case 'a':
- platform = optarg;
- break;
- case 'b':
- brand = optarg;
- break;
- case 'c':
- base1 = strtoul(optarg, NULL, 16);
- break;
- case 'd':
- base2 = strtoul(optarg, NULL, 16);
- break;
- case 'f':
- flag = strtoul(optarg, NULL, 2);
- break;
- case 'I':
- dhp = 1;
- /* FALLTHROUGH */
- case 'i':
- err = process_ifname(optarg);
- if (err)
- goto out;
- break;
- case 'l':
- language = optarg;
- break;
- case 'm':
- minor = optarg;
- break;
- case 'o':
- ofname = optarg;
- break;
- case 'p':
- product = optarg;
- break;
- case 'r':
- err = process_region(optarg);
- if (err)
- goto out;
- break;
- case 's':
- skipcrc = 1;
- break;
- case 'v':
- major = optarg;
- break;
- case 'w':
- hwver = optarg;
- break;
- case 'h':
- usage(EXIT_SUCCESS);
- break;
- default:
- usage(EXIT_FAILURE);
- break;
- }
- }
- err = check_params();
- if (err)
- goto out;
- err = tag_file();
- if (err)
- goto out;
- res = EXIT_SUCCESS;
- out:
- return res;
- }
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