#include <netinet/in.h>
#include "md5.h"
-
-#define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
-
-#define MD5SUM_LEN 16
-
-struct file_info {
- char *file_name; /* name of the file */
- uint32_t file_size; /* length of the file */
-};
+#include "mktplinkfw-lib.h"
struct fw_header {
- uint32_t version; /* 0x00: header version */
- char fw_version[48]; /* 0x04: fw version string */
- uint32_t hw_id; /* 0x34: hardware id */
- uint32_t hw_rev; /* 0x38: FIXME: hardware revision? */
- uint32_t hw_ver_add; /* 0x3c: additional hardware version */
- uint8_t md5sum1[MD5SUM_LEN]; /* 0x40 */
- uint32_t unk2; /* 0x50: 0x00000000 */
- uint8_t md5sum2[MD5SUM_LEN]; /* 0x54 */
- uint32_t unk3; /* 0x64: 0xffffffff */
-
- uint32_t kernel_la; /* 0x68: kernel load address */
- uint32_t kernel_ep; /* 0x6c: kernel entry point */
- uint32_t fw_length; /* 0x70: total length of the image */
- uint32_t kernel_ofs; /* 0x74: kernel data offset */
- uint32_t kernel_len; /* 0x78: kernel data length */
- uint32_t rootfs_ofs; /* 0x7c: rootfs data offset */
- uint32_t rootfs_len; /* 0x80: rootfs data length */
- uint32_t boot_ofs; /* 0x84: FIXME: seems to be unused */
- uint32_t boot_len; /* 0x88: FIXME: seems to be unused */
- uint16_t unk4; /* 0x8c: 0x55aa */
- uint8_t sver_hi; /* 0x8e */
- uint8_t sver_lo; /* 0x8f */
- uint8_t unk5; /* 0x90: magic: 0xa5 */
- uint8_t ver_hi; /* 0x91 */
- uint8_t ver_mid; /* 0x92 */
- uint8_t ver_lo; /* 0x93 */
+ uint32_t version; /* 0x00: header version */
+ char fw_version[48]; /* 0x04: fw version string */
+ uint32_t hw_id; /* 0x34: hardware id */
+ uint32_t hw_rev; /* 0x38: FIXME: hardware revision? */
+ uint32_t hw_ver_add; /* 0x3c: additional hardware version */
+ uint8_t md5sum1[MD5SUM_LEN]; /* 0x40 */
+ uint32_t unk2; /* 0x50: 0x00000000 */
+ uint8_t md5sum2[MD5SUM_LEN]; /* 0x54 */
+ uint32_t unk3; /* 0x64: 0xffffffff */
+
+ uint32_t kernel_la; /* 0x68: kernel load address */
+ uint32_t kernel_ep; /* 0x6c: kernel entry point */
+ uint32_t fw_length; /* 0x70: total length of the image */
+ uint32_t kernel_ofs; /* 0x74: kernel data offset */
+ uint32_t kernel_len; /* 0x78: kernel data length */
+ uint32_t rootfs_ofs; /* 0x7c: rootfs data offset */
+ uint32_t rootfs_len; /* 0x80: rootfs data length */
+ uint32_t boot_ofs; /* 0x84: bootloader offset */
+ uint32_t boot_len; /* 0x88: bootloader length */
+ uint16_t unk4; /* 0x8c: 0x55aa */
+ uint8_t sver_hi; /* 0x8e */
+ uint8_t sver_lo; /* 0x8f */
+ uint8_t unk5; /* 0x90: magic: 0xa5 */
+ uint8_t ver_hi; /* 0x91 */
+ uint8_t ver_mid; /* 0x92 */
+ uint8_t ver_lo; /* 0x93 */
uint8_t pad[364];
} __attribute__ ((packed));
-struct flash_layout {
- char *id;
- uint32_t fw_max_len;
- uint32_t kernel_la;
- uint32_t kernel_ep;
- uint32_t rootfs_ofs;
-};
+#define FLAG_LE_KERNEL_LA_EP 0x00000001 /* Little-endian used for kernel load address & entry point */
struct board_info {
char *id;
uint32_t hw_ver_add;
char *layout_id;
uint32_t hdr_ver;
- bool endian_swap;
+ uint32_t flags;
};
/*
* Globals
*/
-static char *ofname;
-static char *progname;
+char *ofname;
+char *progname;
static char *vendor = "TP-LINK Technologies";
static char *version = "ver. 1.0";
static char *fw_ver = "0.0.0";
static char *sver = "1.0";
static uint32_t hdr_ver = 2;
-static char *board_id;
+static struct board_info custom_board;
+
static struct board_info *board;
static char *layout_id;
-static struct flash_layout *layout;
+struct flash_layout *layout;
static char *opt_hw_id;
-static uint32_t hw_id;
static char *opt_hw_rev;
-static uint32_t hw_rev;
static char *opt_hw_ver_add;
-static uint32_t hw_ver_add;
static int fw_ver_lo;
static int fw_ver_mid;
static int fw_ver_hi;
static int sver_lo;
static int sver_hi;
-static struct file_info kernel_info;
+struct file_info kernel_info;
static uint32_t kernel_la = 0;
static uint32_t kernel_ep = 0;
-static uint32_t kernel_len = 0;
-static struct file_info rootfs_info;
-static uint32_t rootfs_ofs = 0;
-static uint32_t rootfs_align;
+uint32_t kernel_len = 0;
+struct file_info rootfs_info;
+uint32_t rootfs_ofs = 0;
+uint32_t rootfs_align;
static struct file_info boot_info;
-static int combined;
-static int strip_padding;
-static int add_jffs2_eof;
-static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
+int combined;
+int strip_padding;
+int add_jffs2_eof;
static struct file_info inspect_info;
static int extract = 0;
-static bool endian_swap = false;
char md5salt_normal[MD5SUM_LEN] = {
0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
}
};
-static struct board_info boards[] = {
- {
- .id = "TD-W8970v1",
- .hw_id = 0x89700001,
- .hw_rev = 1,
- .layout_id = "8Mltq",
- }, {
- .id = "TD-W8980v1",
- .hw_id = 0x89800001,
- .hw_rev = 14,
- .layout_id = "8Mltq",
- }, {
- .id = "ArcherC20i",
- .hw_id = 0xc2000001,
- .hw_rev = 58,
- .layout_id = "8Mmtk",
- .hdr_ver = 3,
- .endian_swap = true,
- }, {
- .id = "ArcherVR200V",
- .hw_id = 0x73b70801,
- .hw_rev = 0x2f,
- .layout_id = "16Mltq",
- .hdr_ver = 2,
- }, {
- .id = "ArcherC50",
- .hw_id = 0xc7500001,
- .hw_rev = 69,
- .layout_id = "8Mmtk",
- .hdr_ver = 3,
- .endian_swap = true,
- }, {
- .id = "ArcherMR200",
- .hw_id = 0xd7500001,
- .hw_rev = 0x4a,
- .layout_id = "8MLmtk",
- .hdr_ver = 3,
- .endian_swap = true,
- }, {
- .id = "TL-WR840NV4",
- .hw_id = 0x08400004,
- .hw_rev = 0x1,
- .hw_ver_add = 0x4,
- .layout_id = "8Mmtk",
- .hdr_ver = 3,
- .endian_swap = true,
- }, {
- .id = "TL-WR841NV13",
- .hw_id = 0x08410013,
- .hw_rev = 0x268,
- .hw_ver_add = 0x13,
- .layout_id = "8Mmtk",
- .hdr_ver = 3,
- .endian_swap = true,
- }, {
- /* terminating entry */
- }
-};
-
-/*
- * 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 ": %s\n", \
- progname, ## __VA_ARGS__, strerror(save)); \
-} while (0)
-
-#define DBG(fmt, ...) do { \
- fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
-} 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;
-}
-
-static struct board_info *find_board_by_hwid(uint32_t hw_id)
-{
- struct board_info *board;
-
- for (board = boards; board->id != NULL; board++) {
- if (hw_id == board->hw_id)
- return board;
- };
-
- return NULL;
-}
-
-static struct flash_layout *find_layout(char *id)
-{
- struct flash_layout *ret;
- struct flash_layout *l;
-
- ret = NULL;
- for (l = layouts; l->id != NULL; l++){
- if (strcasecmp(id, l->id) == 0) {
- ret = l;
- break;
- }
- };
-
- return ret;
-}
-
static void usage(int status)
{
FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
fprintf(stream,
"\n"
"Options:\n"
-" -B <board> create image for the board specified with <board>\n"
" -c use combined kernel image\n"
+" -e swap endianness in kernel load address and entry point\n"
" -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
" -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
" -H <hwid> use hardware id specified with <hwid>\n"
" -o <file> write output to the file <file>\n"
" -s strip padding from the end of the image\n"
" -j add jffs2 end-of-filesystem markers\n"
+" -N <vendor> set image vendor to <vendor>\n"
+" -T <version> set header version to <version>\n"
" -V <version> set image version to <version>\n"
" -v <version> set firmware version to <version>\n"
" -y <version> set secondary version to <version>\n"
exit(status);
}
-static int get_md5(char *data, int size, char *md5)
-{
- MD5_CTX ctx;
-
- MD5_Init(&ctx);
- MD5_Update(&ctx, data, size);
- MD5_Final(md5, &ctx);
-}
-
-static int get_file_stat(struct file_info *fdata)
-{
- struct stat st;
- int res;
-
- if (fdata->file_name == NULL)
- return 0;
-
- res = stat(fdata->file_name, &st);
- if (res){
- ERRS("stat failed on %s", fdata->file_name);
- return res;
- }
-
- fdata->file_size = st.st_size;
- return 0;
-}
-
-static int read_to_buf(struct file_info *fdata, char *buf)
-{
- FILE *f;
- int ret = EXIT_FAILURE;
-
- f = fopen(fdata->file_name, "r");
- if (f == NULL) {
- ERRS("could not open \"%s\" for reading", fdata->file_name);
- goto out;
- }
-
- errno = 0;
- fread(buf, fdata->file_size, 1, f);
- if (errno != 0) {
- ERRS("unable to read from file \"%s\"", fdata->file_name);
- goto out_close;
- }
-
- ret = EXIT_SUCCESS;
-
- out_close:
- fclose(f);
- out:
- return ret;
-}
-
static int check_options(void)
{
int ret;
return -1;
}
- if (board_id == NULL && opt_hw_id == NULL) {
- ERR("either board or hardware id must be specified");
+ if (opt_hw_id == NULL) {
+ ERR("hardware id must be specified");
return -1;
}
- if (board_id) {
- board = find_board(board_id);
- if (board == NULL) {
- ERR("unknown/unsupported board id \"%s\"", board_id);
- return -1;
- }
- if (layout_id == NULL)
- layout_id = board->layout_id;
-
- hw_id = board->hw_id;
- hw_rev = board->hw_rev;
- hw_ver_add = board->hw_ver_add;
- if (board->hdr_ver)
- hdr_ver = board->hdr_ver;
- endian_swap = board->endian_swap;
- } else {
- if (layout_id == NULL) {
- ERR("flash layout is not specified");
- return -1;
- }
- hw_id = strtoul(opt_hw_id, NULL, 0);
-
- if (opt_hw_rev)
- hw_rev = strtoul(opt_hw_rev, NULL, 0);
- else
- hw_rev = 1;
+ board = &custom_board;
- if (opt_hw_ver_add)
- hw_ver_add = strtoul(opt_hw_ver_add, NULL, 0);
- else
- hw_ver_add = 0;
+ if (layout_id == NULL) {
+ ERR("flash layout is not specified");
+ return -1;
}
- layout = find_layout(layout_id);
+ board->hw_id = strtoul(opt_hw_id, NULL, 0);
+
+ board->hw_rev = 1;
+ board->hw_ver_add = 0;
+
+ if (opt_hw_rev)
+ board->hw_rev = strtoul(opt_hw_rev, NULL, 0);
+ if (opt_hw_ver_add)
+ board->hw_ver_add = strtoul(opt_hw_ver_add, NULL, 0);
+
+ layout = find_layout(layouts, layout_id);
if (layout == NULL) {
ERR("unknown flash layout \"%s\"", layout_id);
return -1;
if (rootfs_align) {
kernel_len += sizeof(struct fw_header);
- kernel_len = ALIGN(kernel_len, rootfs_align);
+ rootfs_ofs = ALIGN(kernel_len, rootfs_align);
kernel_len -= sizeof(struct fw_header);
- DBG("kernel length aligned to %u", kernel_len);
+ DBG("rootfs offset aligned to 0x%u", rootfs_ofs);
if (kernel_len + rootfs_info.file_size >
layout->fw_max_len - sizeof(struct fw_header)) {
return 0;
}
-static void fill_header(char *buf, int len)
+void fill_header(char *buf, int len)
{
struct fw_header *hdr = (struct fw_header *)buf;
unsigned ver_len;
memcpy(hdr->fw_version, version, ver_len);
hdr->fw_version[ver_len] = 0;
- hdr->hw_id = htonl(hw_id);
- hdr->hw_rev = htonl(hw_rev);
- hdr->hw_ver_add = htonl(hw_ver_add);
+ hdr->hw_id = htonl(board->hw_id);
+ hdr->hw_rev = htonl(board->hw_rev);
+ hdr->hw_ver_add = htonl(board->hw_ver_add);
if (boot_info.file_size == 0) {
memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
hdr->ver_mid = fw_ver_mid;
hdr->ver_lo = fw_ver_lo;
- if (endian_swap) {
+ if (board->flags & FLAG_LE_KERNEL_LA_EP) {
hdr->kernel_la = bswap_32(hdr->kernel_la);
hdr->kernel_ep = bswap_32(hdr->kernel_ep);
}
get_md5(buf, len, hdr->md5sum1);
}
-static int pad_jffs2(char *buf, int currlen)
-{
- int len;
- uint32_t pad_mask;
-
- len = currlen;
- pad_mask = (64 * 1024);
- while ((len < layout->fw_max_len) && (pad_mask != 0)) {
- uint32_t mask;
- int i;
-
- for (i = 10; i < 32; i++) {
- mask = 1 << i;
- if (pad_mask & mask)
- break;
- }
-
- len = ALIGN(len, mask);
-
- for (i = 10; i < 32; i++) {
- mask = 1 << i;
- if ((len & (mask - 1)) == 0)
- pad_mask &= ~mask;
- }
-
- for (i = 0; i < sizeof(jffs2_eof_mark); i++)
- buf[len + i] = jffs2_eof_mark[i];
-
- len += sizeof(jffs2_eof_mark);
- }
-
- return len;
-}
-
-static int write_fw(char *data, int len)
-{
- FILE *f;
- int ret = EXIT_FAILURE;
-
- f = fopen(ofname, "w");
- if (f == NULL) {
- ERRS("could not open \"%s\" for writing", ofname);
- goto out;
- }
-
- errno = 0;
- fwrite(data, len, 1, f);
- if (errno) {
- ERRS("unable to write output file");
- goto out_flush;
- }
-
- DBG("firmware file \"%s\" completed", ofname);
-
- ret = EXIT_SUCCESS;
-
- out_flush:
- fflush(f);
- fclose(f);
- if (ret != EXIT_SUCCESS) {
- unlink(ofname);
- }
- out:
- return ret;
-}
-
-static int build_fw(void)
-{
- int buflen;
- char *buf;
- char *p;
- int ret = EXIT_FAILURE;
- int writelen = 0;
-
- buflen = layout->fw_max_len;
-
- buf = malloc(buflen);
- if (!buf) {
- ERR("no memory for buffer\n");
- goto out;
- }
-
- memset(buf, 0xff, buflen);
- p = buf + sizeof(struct fw_header);
- ret = read_to_buf(&kernel_info, p);
- if (ret)
- goto out_free_buf;
-
- writelen = sizeof(struct fw_header) + kernel_len;
-
- if (!combined) {
- if (rootfs_align)
- p = buf + writelen;
- else
- p = buf + rootfs_ofs;
-
- ret = read_to_buf(&rootfs_info, p);
- if (ret)
- goto out_free_buf;
-
- if (rootfs_align)
- writelen += rootfs_info.file_size;
- else
- writelen = rootfs_ofs + rootfs_info.file_size;
-
- if (add_jffs2_eof)
- writelen = pad_jffs2(buf, writelen);
- }
-
- if (!strip_padding)
- writelen = buflen;
-
- fill_header(buf, writelen);
- ret = write_fw(buf, writelen);
- if (ret)
- goto out_free_buf;
-
- ret = EXIT_SUCCESS;
-
- out_free_buf:
- free(buf);
- out:
- return ret;
-}
-
-/* Helper functions to inspect_fw() representing different output formats */
-static inline void inspect_fw_pstr(char *label, char *str)
-{
- printf("%-23s: %s\n", label, str);
-}
-
-static inline void inspect_fw_phex(char *label, uint32_t val)
-{
- printf("%-23s: 0x%08x\n", label, val);
-}
-
-static inline void inspect_fw_phexpost(char *label,
- uint32_t val, char *post)
-{
- printf("%-23s: 0x%08x (%s)\n", label, val, post);
-}
-
-static inline void inspect_fw_phexdef(char *label,
- uint32_t val, uint32_t defval)
-{
- printf("%-23s: 0x%08x ", label, val);
-
- if (val == defval)
- printf("(== OpenWrt default)\n");
- else
- printf("(OpenWrt default: 0x%08x)\n", defval);
-}
-
-static inline void inspect_fw_phexexp(char *label,
- uint32_t val, uint32_t expval)
-{
- printf("%-23s: 0x%08x ", label, val);
-
- if (val == expval)
- printf("(ok)\n");
- else
- printf("(expected: 0x%08x)\n", expval);
-}
-
-static inline void inspect_fw_phexdec(char *label, uint32_t val)
-{
- printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
-}
-
-static inline void inspect_fw_phexdecdef(char *label,
- uint32_t val, uint32_t defval)
-{
- printf("%-23s: 0x%08x / %8u bytes ", label, val, val);
-
- if (val == defval)
- printf("(== OpenWrt default)\n");
- else
- printf("(OpenWrt default: 0x%08x)\n", defval);
-}
-
-static inline void inspect_fw_pmd5sum(char *label, uint8_t *val, char *text)
-{
- int i;
-
- printf("%-23s:", label);
- for (i=0; i<MD5SUM_LEN; i++)
- printf(" %02x", val[i]);
- printf(" %s\n", text);
-}
-
static int inspect_fw(void)
{
char *buf;
goto out_free_buf;
hdr = (struct fw_header *)buf;
+ board = &custom_board;
+
+ if (board->flags & FLAG_LE_KERNEL_LA_EP) {
+ hdr->kernel_la = bswap_32(hdr->kernel_la);
+ hdr->kernel_ep = bswap_32(hdr->kernel_ep);
+ }
+
inspect_fw_pstr("File name", inspect_info.file_name);
inspect_fw_phexdec("File size", inspect_info.file_size);
printf("\n");
inspect_fw_pstr("Firmware version", hdr->fw_version);
-
- board = find_board_by_hwid(ntohl(hdr->hw_id));
- if (board) {
- layout = find_layout(board->layout_id);
- inspect_fw_phexpost("Hardware ID",
- ntohl(hdr->hw_id), board->id);
- inspect_fw_phexexp("Hardware Revision",
- ntohl(hdr->hw_rev), board->hw_rev);
- inspect_fw_phexexp("Additional HW Version",
- ntohl(hdr->hw_ver_add), board->hw_ver_add);
- } else {
- inspect_fw_phexpost("Hardware ID",
- ntohl(hdr->hw_id), "unknown");
- inspect_fw_phex("Hardware Revision",
- ntohl(hdr->hw_rev));
- inspect_fw_phex("Additional HW Version",
- ntohl(hdr->hw_ver_add));
- }
+ inspect_fw_phex("Hardware ID", ntohl(hdr->hw_id));
+ inspect_fw_phex("Hardware Revision",
+ ntohl(hdr->hw_rev));
+ inspect_fw_phex("Additional HW Version",
+ ntohl(hdr->hw_ver_add));
printf("%-23s: %d.%d.%d-%d.%d\n", "Software version",
hdr->ver_hi, hdr->ver_mid, hdr->ver_lo,
ntohl(hdr->kernel_ofs));
inspect_fw_phexdec("Kernel data length",
ntohl(hdr->kernel_len));
- if (board) {
- inspect_fw_phexdef("Kernel load address",
- ntohl(hdr->kernel_la),
- layout ? layout->kernel_la : 0xffffffff);
- inspect_fw_phexdef("Kernel entry point",
- ntohl(hdr->kernel_ep),
- layout ? layout->kernel_ep : 0xffffffff);
- inspect_fw_phexdecdef("Rootfs data offset",
- ntohl(hdr->rootfs_ofs),
- layout ? layout->rootfs_ofs : 0xffffffff);
- } else {
- inspect_fw_phex("Kernel load address",
- ntohl(hdr->kernel_la));
- inspect_fw_phex("Kernel entry point",
- ntohl(hdr->kernel_ep));
- inspect_fw_phexdec("Rootfs data offset",
- ntohl(hdr->rootfs_ofs));
- }
+ inspect_fw_phex("Kernel load address",
+ ntohl(hdr->kernel_la));
+ inspect_fw_phex("Kernel entry point",
+ ntohl(hdr->kernel_ep));
+ inspect_fw_phexdec("Rootfs data offset",
+ ntohl(hdr->rootfs_ofs));
inspect_fw_phexdec("Rootfs data length",
ntohl(hdr->rootfs_len));
inspect_fw_phexdec("Boot loader data offset",
int main(int argc, char *argv[])
{
int ret = EXIT_FAILURE;
- int err;
-
- FILE *outfile;
progname = basename(argv[0]);
while ( 1 ) {
int c;
- c = getopt(argc, argv, "a:B:H:E:F:L:V:N:W:w:ci:k:r:R:o:xhsjv:y:T:e");
+ c = getopt(argc, argv, "a:H:E:F:L:V:N:W:w:ci:k:r:R:o:xhsjv:y:T:e");
if (c == -1)
break;
case 'a':
sscanf(optarg, "0x%x", &rootfs_align);
break;
- case 'B':
- board_id = optarg;
- break;
case 'H':
opt_hw_id = optarg;
break;
hdr_ver = atoi(optarg);
break;
case 'e':
- endian_swap = true;
+ custom_board.flags = FLAG_LE_KERNEL_LA_EP;
break;
case 'h':
usage(EXIT_SUCCESS);
goto out;
if (!inspect_info.file_name)
- ret = build_fw();
+ ret = build_fw(sizeof(struct fw_header));
else
ret = inspect_fw();
projects / openwrt / openwrt.git / blobdiff