2 * Copyright (C) 2009 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.
14 #include <unistd.h> /* for unlink() */
16 #include <getopt.h> /* for getopt() */
23 #if (__BYTE_ORDER == __BIG_ENDIAN)
24 # define HOST_TO_BE32(x) (x)
25 # define BE32_TO_HOST(x) (x)
27 # define HOST_TO_BE32(x) bswap_32(x)
28 # define BE32_TO_HOST(x) bswap_32(x)
37 } __attribute__ ((packed));
50 static char *progname;
52 static char *version = "1.00.00";
54 static char *board_id;
55 static struct board_info *board;
57 static struct board_info boards[] = {
69 /* terminating entry */
76 #define ERR(fmt, ...) do { \
78 fprintf(stderr, "[%s] *** error: " fmt "\n", \
79 progname, ## __VA_ARGS__ ); \
82 #define ERRS(fmt, ...) do { \
85 fprintf(stderr, "[%s] *** error: " fmt "\n", \
86 progname, ## __VA_ARGS__, strerror(save)); \
89 static struct board_info *find_board(char *id)
91 struct board_info *ret;
92 struct board_info *board;
95 for (board = boards; board->id != NULL; board++){
96 if (strcasecmp(id, board->id) == 0) {
105 void usage(int status)
107 FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
108 struct board_info *board;
110 fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
114 " -B <board> create image for the board specified with <board>\n"
115 " -i <file> read input from the file <file>\n"
116 " -o <file> write output to the file <file>\n"
117 " -v <version> set image version to <version>\n"
118 " -h show this screen\n"
124 int main(int argc, char *argv[])
126 int res = EXIT_FAILURE;
131 struct planex_hdr *hdr;
135 FILE *outfile, *infile;
137 progname = basename(argv[0]);
142 c = getopt(argc, argv, "B:i:o:v:h");
168 if (board_id == NULL) {
169 ERR("no board specified");
173 board = find_board(board_id);
175 ERR("unknown board '%s'", board_id);
179 if (ifname == NULL) {
180 ERR("no input file specified");
184 if (ofname == NULL) {
185 ERR("no output file specified");
189 err = stat(ifname, &st);
191 ERRS("stat failed on %s", ifname);
195 if (st.st_size > board->datalen) {
196 ERR("file '%s' is too big - max size: 0x%08X (exceeds %lu bytes)\n",
197 ifname, board->datalen, st.st_size - board->datalen);
201 buflen = board->datalen + 0x10000;
202 buf = malloc(buflen);
204 ERR("no memory for buffer\n");
208 memset(buf, 0xff, buflen);
209 hdr = (struct planex_hdr *)buf;
211 hdr->datalen = HOST_TO_BE32(board->datalen);
212 hdr->unk1[0] = board->unk[0];
213 hdr->unk1[1] = board->unk[1];
215 snprintf(hdr->version, sizeof(hdr->version), "%s", version);
217 infile = fopen(ifname, "r");
218 if (infile == NULL) {
219 ERRS("could not open \"%s\" for reading", ifname);
224 fread(buf + sizeof(*hdr), st.st_size, 1, infile);
226 ERRS("unable to read from file %s", ifname);
230 seed = HOST_TO_BE32(board->seed);
232 sha1_update(&ctx, (uchar *) &seed, sizeof(seed));
233 sha1_update(&ctx, buf + sizeof(*hdr), board->datalen);
234 sha1_finish(&ctx, hdr->sha1sum);
236 outfile = fopen(ofname, "w");
237 if (outfile == NULL) {
238 ERRS("could not open \"%s\" for writing", ofname);
243 fwrite(buf, buflen, 1, outfile);
245 ERRS("unable to write to file %s", ofname);
256 if (res != EXIT_SUCCESS) {