firmware-utils: add a tool TP-Link v2 image generation
Signed-off-by: Gabor Juhos <juhosg@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37726 3c298f89-4303-0410-b956-a3cf2f4a3e73master
John Crispin
parent
c86a49a316
commit
f42c0bb673
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@ -40,6 +40,7 @@ define Host/Compile
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$(call cc,nand_ecc)
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$(call cc,mkplanexfw sha1)
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$(call cc,mktplinkfw md5)
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$(call cc,mktplinkfw2 md5)
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$(call cc,pc1crypt)
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$(call cc,osbridge-crc)
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$(call cc,wrt400n cyg_crc32)
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@ -0,0 +1,944 @@
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/*
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* Copyright (C) 2009 Gabor Juhos <juhosg@openwrt.org>
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*
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* This tool was based on:
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* TP-Link WR941 V2 firmware checksum fixing tool.
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* Copyright (C) 2008,2009 Wang Jian <lark@linux.net.cn>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <unistd.h> /* for unlink() */
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#include <libgen.h>
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#include <getopt.h> /* for getopt() */
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#include <stdarg.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include "md5.h"
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#define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
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#define HEADER_VERSION_V2 0x02000000
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#define HWID_TD_W8970_V1 0x89700001
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#define MD5SUM_LEN 16
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struct file_info {
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char *file_name; /* name of the file */
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uint32_t file_size; /* length of the file */
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};
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struct fw_header {
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uint32_t version; /* 0x00: header version */
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char fw_version[48]; /* 0x04: fw version string */
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uint32_t hw_id; /* 0x34: hardware id */
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uint32_t hw_rev; /* 0x38: FIXME: hardware revision? */
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uint32_t unk1; /* 0x3c: 0x00000000 */
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uint8_t md5sum1[MD5SUM_LEN]; /* 0x40 */
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uint32_t unk2; /* 0x50: 0x00000000 */
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uint8_t md5sum2[MD5SUM_LEN]; /* 0x54 */
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uint32_t unk3; /* 0x64: 0xffffffff */
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uint32_t kernel_la; /* 0x68: kernel load address */
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uint32_t kernel_ep; /* 0x6c: kernel entry point */
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uint32_t fw_length; /* 0x70: total length of the image */
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uint32_t kernel_ofs; /* 0x74: kernel data offset */
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uint32_t kernel_len; /* 0x78: kernel data length */
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uint32_t rootfs_ofs; /* 0x7c: rootfs data offset */
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uint32_t rootfs_len; /* 0x80: rootfs data length */
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uint32_t boot_ofs; /* 0x84: FIXME: seems to be unused */
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uint32_t boot_len; /* 0x88: FIXME: seems to be unused */
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uint16_t unk4; /* 0x8c: 0x55aa */
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uint8_t sver_hi; /* 0x8e */
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uint8_t sver_lo; /* 0x8f */
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uint8_t unk5; /* 0x90: magic: 0xa5 */
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uint8_t ver_hi; /* 0x91 */
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uint8_t ver_mid; /* 0x92 */
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uint8_t ver_lo; /* 0x93 */
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uint8_t pad[364];
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} __attribute__ ((packed));
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struct flash_layout {
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char *id;
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uint32_t fw_max_len;
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uint32_t kernel_la;
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uint32_t kernel_ep;
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uint32_t rootfs_ofs;
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};
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struct board_info {
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char *id;
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uint32_t hw_id;
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uint32_t hw_rev;
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char *layout_id;
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};
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/*
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* Globals
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*/
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static char *ofname;
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static char *progname;
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static char *vendor = "TP-LINK Technologies";
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static char *version = "ver. 1.0";
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static char *fw_ver = "0.0.0";
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static char *sver = "1.0";
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static char *board_id;
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static struct board_info *board;
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static char *layout_id;
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static struct flash_layout *layout;
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static char *opt_hw_id;
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static uint32_t hw_id;
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static char *opt_hw_rev;
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static uint32_t hw_rev;
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static int fw_ver_lo;
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static int fw_ver_mid;
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static int fw_ver_hi;
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static int sver_lo;
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static int sver_hi;
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static struct file_info kernel_info;
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static uint32_t kernel_la = 0;
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static uint32_t kernel_ep = 0;
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static uint32_t kernel_len = 0;
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static struct file_info rootfs_info;
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static uint32_t rootfs_ofs = 0;
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static uint32_t rootfs_align;
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static struct file_info boot_info;
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static int combined;
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static int strip_padding;
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static int add_jffs2_eof;
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static unsigned char jffs2_eof_mark[4] = {0xde, 0xad, 0xc0, 0xde};
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static struct file_info inspect_info;
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static int extract = 0;
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char md5salt_normal[MD5SUM_LEN] = {
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0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
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0xdc, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x37,
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};
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char md5salt_boot[MD5SUM_LEN] = {
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0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
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0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
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};
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static struct flash_layout layouts[] = {
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{
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.id = "8Mltq",
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.fw_max_len = 0x7a0000,
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.kernel_la = 0x80002000,
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.kernel_ep = 0x80002000,
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.rootfs_ofs = 0x140000,
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}, {
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/* terminating entry */
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}
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};
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static struct board_info boards[] = {
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{
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.id = "TD-W8970v1",
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.hw_id = HWID_TD_W8970_V1,
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.hw_rev = 1,
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.layout_id = "8Mltq",
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}, {
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/* terminating entry */
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}
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};
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/*
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* Message macros
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*/
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#define ERR(fmt, ...) do { \
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fflush(0); \
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fprintf(stderr, "[%s] *** error: " fmt "\n", \
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progname, ## __VA_ARGS__ ); \
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} while (0)
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#define ERRS(fmt, ...) do { \
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int save = errno; \
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fflush(0); \
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fprintf(stderr, "[%s] *** error: " fmt "\n", \
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progname, ## __VA_ARGS__, strerror(save)); \
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} while (0)
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#define DBG(fmt, ...) do { \
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fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
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} while (0)
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static struct board_info *find_board(char *id)
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{
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struct board_info *ret;
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struct board_info *board;
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ret = NULL;
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for (board = boards; board->id != NULL; board++){
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if (strcasecmp(id, board->id) == 0) {
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ret = board;
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break;
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}
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};
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return ret;
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}
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static struct board_info *find_board_by_hwid(uint32_t hw_id)
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{
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struct board_info *board;
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for (board = boards; board->id != NULL; board++) {
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if (hw_id == board->hw_id)
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return board;
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};
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return NULL;
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}
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static struct flash_layout *find_layout(char *id)
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{
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struct flash_layout *ret;
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struct flash_layout *l;
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ret = NULL;
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for (l = layouts; l->id != NULL; l++){
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if (strcasecmp(id, l->id) == 0) {
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ret = l;
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break;
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}
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};
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return ret;
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}
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static void usage(int status)
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{
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FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
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struct board_info *board;
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fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
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fprintf(stream,
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"\n"
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"Options:\n"
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" -B <board> create image for the board specified with <board>\n"
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" -c use combined kernel image\n"
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" -E <ep> overwrite kernel entry point with <ep> (hexval prefixed with 0x)\n"
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" -L <la> overwrite kernel load address with <la> (hexval prefixed with 0x)\n"
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" -H <hwid> use hardware id specified with <hwid>\n"
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" -W <hwrev> use hardware revision specified with <hwrev>\n"
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" -F <id> use flash layout specified with <id>\n"
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" -k <file> read kernel image from the file <file>\n"
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" -r <file> read rootfs image from the file <file>\n"
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" -a <align> align the rootfs start on an <align> bytes boundary\n"
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" -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
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" -o <file> write output to the file <file>\n"
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" -s strip padding from the end of the image\n"
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" -j add jffs2 end-of-filesystem markers\n"
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" -V <version> set image version to <version>\n"
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" -v <version> set firmware version to <version>\n"
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" -y <version> set secondary version to <version>\n"
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" -i <file> inspect given firmware file <file>\n"
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" -x extract kernel and rootfs while inspecting (requires -i)\n"
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" -h show this screen\n"
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);
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exit(status);
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}
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static int get_md5(char *data, int size, char *md5)
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{
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MD5_CTX ctx;
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MD5_Init(&ctx);
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MD5_Update(&ctx, data, size);
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MD5_Final(md5, &ctx);
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}
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static int get_file_stat(struct file_info *fdata)
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{
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struct stat st;
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int res;
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if (fdata->file_name == NULL)
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return 0;
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res = stat(fdata->file_name, &st);
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if (res){
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ERRS("stat failed on %s", fdata->file_name);
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return res;
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}
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fdata->file_size = st.st_size;
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return 0;
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}
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static int read_to_buf(struct file_info *fdata, char *buf)
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{
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FILE *f;
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int ret = EXIT_FAILURE;
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f = fopen(fdata->file_name, "r");
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if (f == NULL) {
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ERRS("could not open \"%s\" for reading", fdata->file_name);
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goto out;
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}
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errno = 0;
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fread(buf, fdata->file_size, 1, f);
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if (errno != 0) {
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ERRS("unable to read from file \"%s\"", fdata->file_name);
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goto out_close;
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}
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ret = EXIT_SUCCESS;
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out_close:
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fclose(f);
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out:
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return ret;
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}
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static int check_options(void)
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{
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int ret;
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if (inspect_info.file_name) {
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ret = get_file_stat(&inspect_info);
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if (ret)
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return ret;
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return 0;
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} else if (extract) {
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ERR("no firmware for inspection specified");
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return -1;
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}
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if (board_id == NULL && opt_hw_id == NULL) {
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ERR("either board or hardware id must be specified");
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return -1;
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}
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if (board_id) {
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board = find_board(board_id);
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if (board == NULL) {
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ERR("unknown/unsupported board id \"%s\"", board_id);
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return -1;
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}
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if (layout_id == NULL)
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layout_id = board->layout_id;
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hw_id = board->hw_id;
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hw_rev = board->hw_rev;
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} else {
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if (layout_id == NULL) {
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ERR("flash layout is not specified");
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return -1;
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}
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hw_id = strtoul(opt_hw_id, NULL, 0);
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if (opt_hw_rev)
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hw_rev = strtoul(opt_hw_rev, NULL, 0);
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else
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hw_rev = 1;
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}
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layout = find_layout(layout_id);
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if (layout == NULL) {
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ERR("unknown flash layout \"%s\"", layout_id);
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return -1;
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}
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if (!kernel_la)
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kernel_la = layout->kernel_la;
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if (!kernel_ep)
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kernel_ep = layout->kernel_ep;
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if (!rootfs_ofs)
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rootfs_ofs = layout->rootfs_ofs;
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if (kernel_info.file_name == NULL) {
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ERR("no kernel image specified");
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return -1;
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}
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ret = get_file_stat(&kernel_info);
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if (ret)
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return ret;
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kernel_len = kernel_info.file_size;
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if (combined) {
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if (kernel_info.file_size >
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layout->fw_max_len - sizeof(struct fw_header)) {
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ERR("kernel image is too big");
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return -1;
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}
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} else {
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if (rootfs_info.file_name == NULL) {
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ERR("no rootfs image specified");
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return -1;
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}
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ret = get_file_stat(&rootfs_info);
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if (ret)
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return ret;
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if (rootfs_align) {
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kernel_len += sizeof(struct fw_header);
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kernel_len = ALIGN(kernel_len, rootfs_align);
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kernel_len -= sizeof(struct fw_header);
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DBG("kernel length aligned to %u", kernel_len);
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if (kernel_len + rootfs_info.file_size >
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layout->fw_max_len - sizeof(struct fw_header)) {
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ERR("images are too big");
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return -1;
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}
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} else {
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if (kernel_info.file_size >
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rootfs_ofs - sizeof(struct fw_header)) {
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ERR("kernel image is too big");
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return -1;
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}
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if (rootfs_info.file_size >
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(layout->fw_max_len - rootfs_ofs)) {
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ERR("rootfs image is too big");
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return -1;
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}
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}
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}
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if (ofname == NULL) {
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ERR("no output file specified");
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return -1;
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}
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ret = sscanf(fw_ver, "%d.%d.%d", &fw_ver_hi, &fw_ver_mid, &fw_ver_lo);
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if (ret != 3) {
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ERR("invalid firmware version '%s'", fw_ver);
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return -1;
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}
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ret = sscanf(sver, "%d.%d", &sver_hi, &sver_lo);
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if (ret != 2) {
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ERR("invalid secondary version '%s'", sver);
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return -1;
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}
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return 0;
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}
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static void fill_header(char *buf, int len)
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{
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struct fw_header *hdr = (struct fw_header *)buf;
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unsigned ver_len;
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memset(hdr, '\xff', sizeof(struct fw_header));
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hdr->version = htonl(HEADER_VERSION_V2);
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ver_len = strlen(version);
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if (ver_len > (sizeof(hdr->fw_version) - 1))
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ver_len = sizeof(hdr->fw_version) - 1;
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memcpy(hdr->fw_version, version, ver_len);
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hdr->fw_version[ver_len] = 0;
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hdr->hw_id = htonl(hw_id);
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hdr->hw_rev = htonl(hw_rev);
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if (boot_info.file_size == 0) {
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memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
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hdr->boot_ofs = htonl(0);
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hdr->boot_len = htonl(0);
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} else {
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memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
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hdr->boot_ofs = htonl(rootfs_ofs + rootfs_info.file_size);
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hdr->boot_len = htonl(rootfs_info.file_size);
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}
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hdr->kernel_la = htonl(kernel_la);
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hdr->kernel_ep = htonl(kernel_ep);
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||||
hdr->fw_length = htonl(layout->fw_max_len);
|
||||
hdr->kernel_ofs = htonl(sizeof(struct fw_header));
|
||||
hdr->kernel_len = htonl(kernel_len);
|
||||
if (!combined) {
|
||||
hdr->rootfs_ofs = htonl(rootfs_ofs);
|
||||
hdr->rootfs_len = htonl(rootfs_info.file_size);
|
||||
}
|
||||
|
||||
hdr->boot_ofs = htonl(0);
|
||||
hdr->boot_len = htonl(boot_info.file_size);
|
||||
|
||||
hdr->unk1 = htonl(0);
|
||||
hdr->unk2 = htonl(0);
|
||||
hdr->unk3 = htonl(0xffffffff);
|
||||
hdr->unk4 = htons(0x55aa);
|
||||
hdr->unk5 = 0xa5;
|
||||
|
||||
hdr->sver_hi = sver_hi;
|
||||
hdr->sver_lo = sver_lo;
|
||||
|
||||
hdr->ver_hi = fw_ver_hi;
|
||||
hdr->ver_mid = fw_ver_mid;
|
||||
hdr->ver_lo = fw_ver_lo;
|
||||
|
||||
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;
|
||||
struct fw_header *hdr;
|
||||
uint8_t md5sum[MD5SUM_LEN];
|
||||
struct board_info *board;
|
||||
int ret = EXIT_FAILURE;
|
||||
|
||||
buf = malloc(inspect_info.file_size);
|
||||
if (!buf) {
|
||||
ERR("no memory for buffer!\n");
|
||||
goto out;
|
||||
}
|
||||
|
||||
ret = read_to_buf(&inspect_info, buf);
|
||||
if (ret)
|
||||
goto out_free_buf;
|
||||
hdr = (struct fw_header *)buf;
|
||||
|
||||
inspect_fw_pstr("File name", inspect_info.file_name);
|
||||
inspect_fw_phexdec("File size", inspect_info.file_size);
|
||||
|
||||
if (ntohl(hdr->version) != HEADER_VERSION_V2) {
|
||||
ERR("file does not seem to have V2 header!\n");
|
||||
goto out_free_buf;
|
||||
}
|
||||
|
||||
inspect_fw_phexdec("Version 2 Header size", sizeof(struct fw_header));
|
||||
|
||||
if (ntohl(hdr->unk1) != 0)
|
||||
inspect_fw_phexdec("Unknown value 1", hdr->unk1);
|
||||
|
||||
memcpy(md5sum, hdr->md5sum1, sizeof(md5sum));
|
||||
if (ntohl(hdr->boot_len) == 0)
|
||||
memcpy(hdr->md5sum1, md5salt_normal, sizeof(md5sum));
|
||||
else
|
||||
memcpy(hdr->md5sum1, md5salt_boot, sizeof(md5sum));
|
||||
get_md5(buf, inspect_info.file_size, hdr->md5sum1);
|
||||
|
||||
if (memcmp(md5sum, hdr->md5sum1, sizeof(md5sum))) {
|
||||
inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(*ERROR*)");
|
||||
inspect_fw_pmd5sum(" --> expected", hdr->md5sum1, "");
|
||||
} else {
|
||||
inspect_fw_pmd5sum("Header MD5Sum1", md5sum, "(ok)");
|
||||
}
|
||||
if (ntohl(hdr->unk2) != 0)
|
||||
inspect_fw_phexdec("Unknown value 2", hdr->unk2);
|
||||
inspect_fw_pmd5sum("Header MD5Sum2", hdr->md5sum2,
|
||||
"(purpose yet unknown, unchecked here)");
|
||||
|
||||
if (ntohl(hdr->unk3) != 0xffffffff)
|
||||
inspect_fw_phexdec("Unknown value 3", hdr->unk3);
|
||||
|
||||
if (ntohs(hdr->unk4) != 0x55aa)
|
||||
inspect_fw_phexdec("Unknown value 4", hdr->unk4);
|
||||
|
||||
if (hdr->unk5 != 0xa5)
|
||||
inspect_fw_phexdec("Unknown value 5", hdr->unk5);
|
||||
|
||||
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);
|
||||
} else {
|
||||
inspect_fw_phexpost("Hardware ID",
|
||||
ntohl(hdr->hw_id), "unknown");
|
||||
inspect_fw_phex("Hardware Revision",
|
||||
ntohl(hdr->hw_rev));
|
||||
}
|
||||
|
||||
printf("%-23s: %d.%d.%d-%d.%d\n", "Software version",
|
||||
hdr->ver_hi, hdr->ver_mid, hdr->ver_lo,
|
||||
hdr->sver_hi, hdr->sver_lo);
|
||||
|
||||
printf("\n");
|
||||
|
||||
inspect_fw_phexdec("Kernel data offset",
|
||||
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_phexdec("Rootfs data length",
|
||||
ntohl(hdr->rootfs_len));
|
||||
inspect_fw_phexdec("Boot loader data offset",
|
||||
ntohl(hdr->boot_ofs));
|
||||
inspect_fw_phexdec("Boot loader data length",
|
||||
ntohl(hdr->boot_len));
|
||||
inspect_fw_phexdec("Total firmware length",
|
||||
ntohl(hdr->fw_length));
|
||||
|
||||
if (extract) {
|
||||
FILE *fp;
|
||||
char *filename;
|
||||
|
||||
printf("\n");
|
||||
|
||||
filename = malloc(strlen(inspect_info.file_name) + 8);
|
||||
sprintf(filename, "%s-kernel", inspect_info.file_name);
|
||||
printf("Extracting kernel to \"%s\"...\n", filename);
|
||||
fp = fopen(filename, "w");
|
||||
if (fp) {
|
||||
if (!fwrite(buf + ntohl(hdr->kernel_ofs),
|
||||
ntohl(hdr->kernel_len), 1, fp)) {
|
||||
ERR("error in fwrite(): %s", strerror(errno));
|
||||
}
|
||||
fclose(fp);
|
||||
} else {
|
||||
ERR("error in fopen(): %s", strerror(errno));
|
||||
}
|
||||
free(filename);
|
||||
|
||||
filename = malloc(strlen(inspect_info.file_name) + 8);
|
||||
sprintf(filename, "%s-rootfs", inspect_info.file_name);
|
||||
printf("Extracting rootfs to \"%s\"...\n", filename);
|
||||
fp = fopen(filename, "w");
|
||||
if (fp) {
|
||||
if (!fwrite(buf + ntohl(hdr->rootfs_ofs),
|
||||
ntohl(hdr->rootfs_len), 1, fp)) {
|
||||
ERR("error in fwrite(): %s", strerror(errno));
|
||||
}
|
||||
fclose(fp);
|
||||
} else {
|
||||
ERR("error in fopen(): %s", strerror(errno));
|
||||
}
|
||||
free(filename);
|
||||
}
|
||||
|
||||
out_free_buf:
|
||||
free(buf);
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
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:ci:k:r:R:o:xhsjv:y:");
|
||||
if (c == -1)
|
||||
break;
|
||||
|
||||
switch (c) {
|
||||
case 'a':
|
||||
sscanf(optarg, "0x%x", &rootfs_align);
|
||||
break;
|
||||
case 'B':
|
||||
board_id = optarg;
|
||||
break;
|
||||
case 'H':
|
||||
opt_hw_id = optarg;
|
||||
break;
|
||||
case 'E':
|
||||
sscanf(optarg, "0x%x", &kernel_ep);
|
||||
break;
|
||||
case 'F':
|
||||
layout_id = optarg;
|
||||
break;
|
||||
case 'W':
|
||||
opt_hw_rev = optarg;
|
||||
break;
|
||||
case 'L':
|
||||
sscanf(optarg, "0x%x", &kernel_la);
|
||||
break;
|
||||
case 'V':
|
||||
version = optarg;
|
||||
break;
|
||||
case 'v':
|
||||
fw_ver = optarg;
|
||||
break;
|
||||
case 'y':
|
||||
sver = optarg;
|
||||
break;
|
||||
case 'N':
|
||||
vendor = optarg;
|
||||
break;
|
||||
case 'c':
|
||||
combined++;
|
||||
break;
|
||||
case 'k':
|
||||
kernel_info.file_name = optarg;
|
||||
break;
|
||||
case 'r':
|
||||
rootfs_info.file_name = optarg;
|
||||
break;
|
||||
case 'R':
|
||||
sscanf(optarg, "0x%x", &rootfs_ofs);
|
||||
break;
|
||||
case 'o':
|
||||
ofname = optarg;
|
||||
break;
|
||||
case 's':
|
||||
strip_padding = 1;
|
||||
break;
|
||||
case 'i':
|
||||
inspect_info.file_name = optarg;
|
||||
break;
|
||||
case 'j':
|
||||
add_jffs2_eof = 1;
|
||||
break;
|
||||
case 'x':
|
||||
extract = 1;
|
||||
break;
|
||||
case 'h':
|
||||
usage(EXIT_SUCCESS);
|
||||
break;
|
||||
default:
|
||||
usage(EXIT_FAILURE);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
ret = check_options();
|
||||
if (ret)
|
||||
goto out;
|
||||
|
||||
if (!inspect_info.file_name)
|
||||
ret = build_fw();
|
||||
else
|
||||
ret = inspect_fw();
|
||||
|
||||
out:
|
||||
return ret;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue