X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/15bb59764550087c442026f9aa3829c79881c249..c5d7c77e8734361b5fceb5a86e5514e666c48441:/tools/firmware-utils/src/mkplanexfw.c?ds=inline diff --git a/tools/firmware-utils/src/mkplanexfw.c b/tools/firmware-utils/src/mkplanexfw.c index 2cbdc90bb..1bdccb7c0 100644 --- a/tools/firmware-utils/src/mkplanexfw.c +++ b/tools/firmware-utils/src/mkplanexfw.c @@ -36,6 +36,13 @@ struct planex_hdr { uint32_t datalen; } __attribute__ ((packed)); +struct board_info { + char *id; + uint32_t seed; + uint8_t unk[2]; + uint32_t datalen; +}; + /* * Globals */ @@ -44,6 +51,25 @@ static char *progname; static char *ofname; static char *version = "1.00.00"; +static char *board_id; +static struct board_info *board; + +static struct board_info boards[] = { + { + .id = "MZK-W04NU", + .seed = 2, + .unk = {0x04, 0x08}, + .datalen = 0x770000, + }, { + .id = "MZK-W300NH", + .seed = 4, + .unk = {0x00, 0x00}, + .datalen = 0x770000, + }, { + /* terminating entry */ + } +}; + /* * Message macros */ @@ -60,6 +86,22 @@ static char *version = "1.00.00"; progname, ## __VA_ARGS__, strerror(save)); \ } while (0) +static struct board_info *find_board(char *id) +{ + struct board_info *ret; + struct board_info *board; + + ret = NULL; + for (board = boards; board->id != NULL; board++){ + if (strcasecmp(id, board->id) == 0) { + ret = board; + break; + } + }; + + return ret; +} + void usage(int status) { FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout; @@ -69,6 +111,7 @@ void usage(int status) fprintf(stream, "\n" "Options:\n" +" -B create image for the board specified with \n" " -i read input from the file \n" " -o write output to the file \n" " -v set image version to \n" @@ -87,7 +130,7 @@ int main(int argc, char *argv[]) char *buf; struct planex_hdr *hdr; sha1_context ctx; - uint32_t t = HOST_TO_BE32(2); + uint32_t seed; FILE *outfile, *infile; @@ -96,11 +139,14 @@ int main(int argc, char *argv[]) while ( 1 ) { int c; - c = getopt(argc, argv, "i:o:v:h"); + c = getopt(argc, argv, "B:i:o:v:h"); if (c == -1) break; switch (c) { + case 'B': + board_id = optarg; + break; case 'i': ifname = optarg; break; @@ -119,6 +165,17 @@ int main(int argc, char *argv[]) } } + if (board_id == NULL) { + ERR("no board specified"); + goto err; + } + + board = find_board(board_id); + if (board == NULL) { + ERR("unknown board '%s'", board_id); + goto err; + }; + if (ifname == NULL) { ERR("no input file specified"); goto err; @@ -135,9 +192,13 @@ int main(int argc, char *argv[]) goto err; } - buflen = (st.st_size + 3) & ~3; - buflen += sizeof(*hdr); + if (st.st_size > board->datalen) { + ERR("file '%s' is too big - max size: 0x%08X (exceeds %lu bytes)\n", + ifname, board->datalen, st.st_size - board->datalen); + goto err; + } + buflen = board->datalen + 0x10000; buf = malloc(buflen); if (!buf) { ERR("no memory for buffer\n"); @@ -147,9 +208,9 @@ int main(int argc, char *argv[]) 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; + hdr->datalen = HOST_TO_BE32(board->datalen); + hdr->unk1[0] = board->unk[0]; + hdr->unk1[1] = board->unk[1]; snprintf(hdr->version, sizeof(hdr->version), "%s", version); @@ -166,9 +227,10 @@ int main(int argc, char *argv[]) goto err_close_in; } + seed = HOST_TO_BE32(board->seed); sha1_starts(&ctx); - sha1_update(&ctx, (uchar *) &t, sizeof(t)); - sha1_update(&ctx, buf + sizeof(*hdr), buflen - sizeof(*hdr)); + sha1_update(&ctx, (uchar *) &seed, sizeof(seed)); + sha1_update(&ctx, buf + sizeof(*hdr), board->datalen); sha1_finish(&ctx, hdr->sha1sum); outfile = fopen(ofname, "w");