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authorGabor Juhos <juhosg@openwrt.org>2009-02-04 21:09:06 +0000
committerGabor Juhos <juhosg@openwrt.org>2009-02-04 21:09:06 +0000
commit03f3002a176fc48753686a9c5fa8216de176e3ab (patch)
tree36819c73433a29bc1294debc6a571bf41c40ba87 /tools/firmware-utils/src/mkplanexfw.c
parent1adabd363c7c312db63e1753e4a0e6b2b5c0de1a (diff)
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firmware-utils/mkplanexfw: new firmware generation tool for the Planex MZK-W04NU device
SVN-Revision: 14410
Diffstat (limited to 'tools/firmware-utils/src/mkplanexfw.c')
-rw-r--r--tools/firmware-utils/src/mkplanexfw.c207
1 files changed, 207 insertions, 0 deletions
diff --git a/tools/firmware-utils/src/mkplanexfw.c b/tools/firmware-utils/src/mkplanexfw.c
new file mode 100644
index 0000000000..2cbdc90bbf
--- /dev/null
+++ b/tools/firmware-utils/src/mkplanexfw.c
@@ -0,0 +1,207 @@
+/*
+ * Copyright (C) 2009 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 <unistd.h> /* for unlink() */
+#include <libgen.h>
+#include <getopt.h> /* for getopt() */
+#include <stdarg.h>
+#include <errno.h>
+#include <sys/stat.h>
+
+#include "sha1.h"
+
+#if (__BYTE_ORDER == __BIG_ENDIAN)
+# define HOST_TO_BE32(x) (x)
+# define BE32_TO_HOST(x) (x)
+#else
+# define HOST_TO_BE32(x) bswap_32(x)
+# define BE32_TO_HOST(x) bswap_32(x)
+#endif
+
+
+struct planex_hdr {
+ uint8_t sha1sum[20];
+ char version[8];
+ uint8_t unk1[2];
+ uint32_t datalen;
+} __attribute__ ((packed));
+
+/*
+ * Globals
+ */
+static char *ifname;
+static char *progname;
+static char *ofname;
+static char *version = "1.00.00";
+
+/*
+ * 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 "\n", \
+ progname, ## __VA_ARGS__, strerror(save)); \
+} while (0)
+
+void usage(int status)
+{
+ FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
+ struct board_info *board;
+
+ fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
+ fprintf(stream,
+"\n"
+"Options:\n"
+" -i <file> read input from the file <file>\n"
+" -o <file> write output to the file <file>\n"
+" -v <version> set image version to <version>\n"
+" -h show this screen\n"
+ );
+
+ exit(status);
+}
+
+int main(int argc, char *argv[])
+{
+ int res = EXIT_FAILURE;
+ int buflen;
+ int err;
+ struct stat st;
+ char *buf;
+ struct planex_hdr *hdr;
+ sha1_context ctx;
+ uint32_t t = HOST_TO_BE32(2);
+
+ FILE *outfile, *infile;
+
+ progname = basename(argv[0]);
+
+ while ( 1 ) {
+ int c;
+
+ c = getopt(argc, argv, "i:o:v:h");
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 'i':
+ ifname = optarg;
+ break;
+ case 'o':
+ ofname = optarg;
+ break;
+ case 'v':
+ version = optarg;
+ break;
+ case 'h':
+ usage(EXIT_SUCCESS);
+ break;
+ default:
+ usage(EXIT_FAILURE);
+ break;
+ }
+ }
+
+ if (ifname == NULL) {
+ ERR("no input file specified");
+ goto err;
+ }
+
+ if (ofname == NULL) {
+ ERR("no output file specified");
+ goto err;
+ }
+
+ err = stat(ifname, &st);
+ if (err){
+ ERRS("stat failed on %s", ifname);
+ goto err;
+ }
+
+ buflen = (st.st_size + 3) & ~3;
+ buflen += sizeof(*hdr);
+
+ buf = malloc(buflen);
+ if (!buf) {
+ ERR("no memory for buffer\n");
+ goto err;
+ }
+
+ memset(buf, 0xff, buflen);
+ hdr = (struct planex_hdr *)buf;
+
+ hdr->datalen = HOST_TO_BE32(buflen - sizeof(*hdr));
+ hdr->unk1[0] = 0x04;
+ hdr->unk1[1] = 0x08;
+
+ snprintf(hdr->version, sizeof(hdr->version), "%s", version);
+
+ infile = fopen(ifname, "r");
+ if (infile == NULL) {
+ ERRS("could not open \"%s\" for reading", ifname);
+ goto err_free;
+ }
+
+ errno = 0;
+ fread(buf + sizeof(*hdr), st.st_size, 1, infile);
+ if (errno != 0) {
+ ERRS("unable to read from file %s", ifname);
+ goto err_close_in;
+ }
+
+ sha1_starts(&ctx);
+ sha1_update(&ctx, (uchar *) &t, sizeof(t));
+ sha1_update(&ctx, buf + sizeof(*hdr), buflen - sizeof(*hdr));
+ sha1_finish(&ctx, hdr->sha1sum);
+
+ outfile = fopen(ofname, "w");
+ if (outfile == NULL) {
+ ERRS("could not open \"%s\" for writing", ofname);
+ goto err_close_in;
+ }
+
+ errno = 0;
+ fwrite(buf, buflen, 1, outfile);
+ if (errno) {
+ ERRS("unable to write to file %s", ofname);
+ goto err_close_out;
+ }
+
+ res = EXIT_SUCCESS;
+
+ out_flush:
+ fflush(outfile);
+
+ err_close_out:
+ fclose(outfile);
+ if (res != EXIT_SUCCESS) {
+ unlink(ofname);
+ }
+
+ err_close_in:
+ fclose(infile);
+
+ err_free:
+ free(buf);
+
+ err:
+ return res;
+}
+