2 * Copyright (C) 2009-2011 Gabor Juhos <juhosg@openwrt.org>
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License version 2 as published
6 * by the Free Software Foundation.
15 #include <getopt.h> /* for getopt() */
16 #include <netinet/in.h>
18 #include "buffalo-lib.h"
20 #define ERR(fmt, ...) do { \
22 fprintf(stderr, "[%s] *** error: " fmt "\n", \
23 progname, ## __VA_ARGS__ ); \
26 static char *region_table[] = {
27 "JP", "US", "EU", "AP", "TW", "KR"
30 #define MAX_INPUT_FILES 2
32 static char *progname;
33 static char *ifname[MAX_INPUT_FILES];
34 static ssize_t fsize[MAX_INPUT_FILES];
39 static char *language;
41 static char *platform;
44 static char *minor = "1.01";
46 static uint32_t base1;
47 static uint32_t base2;
48 static char *region_code;
49 static uint32_t region_mask;
50 static int num_regions;
53 void usage(int status)
55 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
57 fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
61 " -a <platform> set platform to <platform>\n"
62 " -b <brand> set brand to <brand>\n"
65 " -f <flag> set flag to <flag>\n"
66 " -i <file> read input from the file <file>\n"
67 " -I <file> read input from the file <file> for DHP series\n"
68 " -l <language> set language to <language>\n"
69 " -m <version> set minor version to <version>\n"
70 " -o <file> write output to the file <file>\n"
71 " -p <product> set product to <product>\n"
72 " -r <region> set image region to <region>\n"
73 " valid regions: JP, US, EU, AP, TW, KR, M_\n"
74 " -s skip CRC calculation\n"
75 " -v <version> set major version to <version>\n"
76 " -w <version> set harwdware version to <version>\n"
77 " -h show this screen\n"
83 static int check_params(void)
86 #define CHECKSTR(_var, _name, _len) do { \
87 if ((_var) == NULL) { \
88 ERR("no %s specified", (_name)); \
92 strlen((_var)) > ((_len) - 1)) { \
93 ERR("%s is too long", (_name)); \
99 ERR("no input files specified");
101 CHECKSTR(ofname, "output file", 0);
102 CHECKSTR(brand, "brand", TAG_BRAND_LEN);
103 CHECKSTR(product, "product", TAG_PRODUCT_LEN);
104 CHECKSTR(platform, "platform", TAG_PLATFORM_LEN);
105 CHECKSTR(major, "major version", TAG_VERSION_LEN);
106 CHECKSTR(minor, "minor version", TAG_VERSION_LEN);
107 CHECKSTR(language, "language", TAG_LANGUAGE_LEN);
110 CHECKSTR(hwver, "hardware version", 2);
112 if (num_regions == 0) {
113 ERR("no region code specified");
122 static int process_region(char *reg)
126 if (strlen(reg) != 2) {
127 ERR("invalid region code '%s'", reg);
131 if (strcmp(reg, "M_") == 0) {
138 for (i = 0; i < ARRAY_SIZE(region_table); i++)
139 if (strcmp(reg, region_table[i]) == 0) {
141 region_mask |= 1 << i;
146 ERR("unknown region code '%s'", reg);
150 static int process_ifname(char *name)
152 if (num_files >= ARRAY_SIZE(ifname)) {
153 ERR("too many input files specified");
157 ifname[num_files++] = name;
161 static void fixup_tag(unsigned char *buf, ssize_t buflen)
163 struct buffalo_tag *tag = (struct buffalo_tag *) buf;
165 memset(tag, '\0', sizeof(*tag));
167 memcpy(tag->brand, brand, strlen(brand));
168 memcpy(tag->product, product, strlen(product));
169 memcpy(tag->platform, platform, strlen(platform));
170 memcpy(tag->ver_major, major, strlen(major));
171 memcpy(tag->ver_minor, minor, strlen(minor));
172 memcpy(tag->language, language, strlen(language));
174 if (num_regions > 1) {
175 tag->region_code[0] = 'M';
176 tag->region_code[1] = '_';
177 tag->region_mask = htonl(region_mask);
179 memcpy(tag->region_code, region_code, 2);
182 tag->len = htonl(buflen);
183 tag->data_len = htonl(fsize[0]);
184 tag->base1 = htonl(base1);
185 tag->base2 = htonl(base2);
189 memcpy(tag->hwv, "hwv", 3);
190 memcpy(tag->hwv_val, hwver, strlen(hwver));
194 tag->crc = htonl(buffalo_crc(buf, buflen));
197 static void fixup_tag2(unsigned char *buf, ssize_t buflen)
199 struct buffalo_tag2 *tag = (struct buffalo_tag2 *) buf;
201 memset(tag, '\0', sizeof(*tag));
203 memcpy(tag->brand, brand, strlen(brand));
204 memcpy(tag->product, product, strlen(product));
205 memcpy(tag->platform, platform, strlen(platform));
206 memcpy(tag->ver_major, major, strlen(major));
207 memcpy(tag->ver_minor, minor, strlen(minor));
208 memcpy(tag->language, language, strlen(language));
210 if (num_regions > 1) {
211 tag->region_code[0] = 'M';
212 tag->region_code[1] = '_';
213 tag->region_mask = htonl(region_mask);
215 memcpy(tag->region_code, region_code, 2);
218 tag->total_len = htonl(buflen);
219 tag->len1 = htonl(fsize[0]);
220 tag->len2 = htonl(fsize[1]);
224 memcpy(tag->hwv, "hwv", 3);
225 memcpy(tag->hwv_val, hwver, strlen(hwver));
229 tag->crc = htonl(buffalo_crc(buf, buflen));
232 static void fixup_tag3(unsigned char *buf, ssize_t totlen)
234 struct buffalo_tag3 *tag = (struct buffalo_tag3 *) buf;
236 memset(tag, '\0', sizeof(*tag));
238 memcpy(tag->brand, brand, strlen(brand));
239 memcpy(tag->product, product, strlen(product));
240 memcpy(tag->platform, platform, strlen(platform));
241 memcpy(tag->ver_major, major, strlen(major));
242 memcpy(tag->ver_minor, minor, strlen(minor));
243 memcpy(tag->language, language, strlen(language));
245 if (num_regions > 1) {
246 tag->region_code[0] = 'M';
247 tag->region_code[1] = '_';
248 tag->region_mask = htonl(region_mask);
250 memcpy(tag->region_code, region_code, 2);
253 tag->total_len = htonl(totlen);
254 tag->len1 = htonl(fsize[0]);
255 tag->base2 = htonl(base2);
258 memcpy(tag->hwv, "hwv", 3);
259 memcpy(tag->hwv_val, hwver, strlen(hwver));
263 static int tag_file(void)
274 hdrlen = sizeof(struct buffalo_tag3);
275 else if (num_files == 1)
276 hdrlen = sizeof(struct buffalo_tag);
278 hdrlen = sizeof(struct buffalo_tag2);
282 for (i = 0; i < num_files; i++) {
283 fsize[i] = get_file_size(ifname[i]);
285 ERR("unable to get size of '%s'", ifname[i]);
291 buf = malloc(buflen);
293 ERR("no memory for buffer\n");
298 for (i = 0; i < num_files; i++) {
299 err = read_file_to_buf(ifname[i], buf + offset, fsize[i]);
301 ERR("unable to read from file '%s'", ifname[i]);
309 fixup_tag3(buf, fsize[0] + 200);
310 else if (num_files == 1)
311 fixup_tag(buf, buflen);
313 fixup_tag2(buf, buflen);
315 err = write_buf_to_file(ofname, buf, buflen);
317 ERR("unable to write to file '%s'", ofname);
329 int main(int argc, char *argv[])
331 int res = EXIT_FAILURE;
334 progname = basename(argv[0]);
339 c = getopt(argc, argv, "a:b:c:d:f:hi:l:m:o:p:r:sv:w:I:");
351 base1 = strtoul(optarg, NULL, 16);
354 base2 = strtoul(optarg, NULL, 16);
357 flag = strtoul(optarg, NULL, 2);
363 err = process_ifname(optarg);
380 err = process_region(optarg);
402 err = check_params();