#include <libgen.h>
#include <getopt.h> /* for getopt() */
#include <stdarg.h>
+#include <stdbool.h>
+#include <endian.h>
#include <errno.h>
#include <sys/stat.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
#include "md5.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
+#define ALIGN(x,a) ({ typeof(a) __a = (a); (((x) + __a - 1) & ~(__a - 1)); })
+#define ARRAY_SIZE(a) (sizeof((a)) / sizeof((a)[0]))
#define HEADER_VERSION_V1 0x01000000
-#define HWID_TL_WR741ND_V1 0x07410001
-#define HWID_TL_WR841N_V1_5 0x08410002
-#define HWID_TL_WR841ND_V3 0x08410003
-#define HWID_TL_WR841ND_V5 0x08410005
-#define HWID_TL_WR941ND_V2 0x09410002
-#define HWID_TL_WR941ND_V4 0x09410004
-#define HWID_TL_WR1043ND_V1 0x10430001
+#define HEADER_VERSION_V2 0x02000000
#define MD5SUM_LEN 16
char fw_version[36];
uint32_t hw_id; /* hardware id */
uint32_t hw_rev; /* hardware revision */
- uint32_t unk1;
+ uint32_t region_code; /* region code */
uint8_t md5sum1[MD5SUM_LEN];
uint32_t unk2;
uint8_t md5sum2[MD5SUM_LEN];
uint32_t rootfs_len; /* rootfs data length */
uint32_t boot_ofs; /* bootloader data offset */
uint32_t boot_len; /* bootloader data length */
- uint8_t pad[360];
+ uint16_t ver_hi;
+ uint16_t ver_mid;
+ uint16_t ver_lo;
+ uint8_t pad[130];
+ char region_str1[32];
+ char region_str2[32];
+ uint8_t pad2[160];
} __attribute__ ((packed));
-struct board_info {
+struct flash_layout {
char *id;
- uint32_t hw_id;
- uint32_t hw_rev;
uint32_t fw_max_len;
uint32_t kernel_la;
uint32_t kernel_ep;
uint32_t rootfs_ofs;
};
+struct fw_region {
+ char name[4];
+ uint32_t code;
+};
+
+
/*
* Globals
*/
static char *progname;
static char *vendor = "TP-LINK Technologies";
static char *version = "ver. 1.0";
-
-static char *board_id;
-static struct board_info *board;
+static char *fw_ver = "0.0.0";
+static uint32_t hdr_ver = HEADER_VERSION_V1;
+
+static char *layout_id;
+static 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 uint32_t opt_hdr_ver = 1;
+static char *country;
+static const struct fw_region *region;
+static int fw_ver_lo;
+static int fw_ver_mid;
+static int fw_ver_hi;
static 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;
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};
+static uint32_t fw_max_len;
+static uint32_t reserved_space;
-char md5salt_normal[MD5SUM_LEN] = {
+static struct file_info inspect_info;
+static int extract = 0;
+static bool endian_swap = false;
+
+static const char md5salt_normal[MD5SUM_LEN] = {
0xdc, 0xd7, 0x3a, 0xa5, 0xc3, 0x95, 0x98, 0xfb,
0xdd, 0xf9, 0xe7, 0xf4, 0x0e, 0xae, 0x47, 0x38,
};
-char md5salt_boot[MD5SUM_LEN] = {
+static const char md5salt_boot[MD5SUM_LEN] = {
0x8c, 0xef, 0x33, 0x5b, 0xd5, 0xc5, 0xce, 0xfa,
0xa7, 0x9c, 0x28, 0xda, 0xb2, 0xe9, 0x0f, 0x42,
};
-static struct board_info boards[] = {
+static struct flash_layout layouts[] = {
{
- .id = "TL-WR741NDv1",
- .hw_id = HWID_TL_WR741ND_V1,
- .hw_rev = 1,
+ .id = "4M",
.fw_max_len = 0x3c0000,
.kernel_la = 0x80060000,
.kernel_ep = 0x80060000,
.rootfs_ofs = 0x140000,
}, {
- .id = "TL-WR841Nv1.5",
- .hw_id = HWID_TL_WR841N_V1_5,
- .hw_rev = 2,
+ .id = "4Mlzma",
.fw_max_len = 0x3c0000,
.kernel_la = 0x80060000,
.kernel_ep = 0x80060000,
- .rootfs_ofs = 0x140000,
+ .rootfs_ofs = 0x100000,
}, {
- .id = "TL-WR841NDv3",
- .hw_id = HWID_TL_WR841ND_V3,
- .hw_rev = 3,
- .fw_max_len = 0x3c0000,
+ .id = "8M",
+ .fw_max_len = 0x7c0000,
.kernel_la = 0x80060000,
.kernel_ep = 0x80060000,
.rootfs_ofs = 0x140000,
}, {
- .id = "TL-WR841NDv5",
- .hw_id = HWID_TL_WR841ND_V5,
- .hw_rev = 1,
- .fw_max_len = 0x3c0000,
+ .id = "8Mlzma",
+ .fw_max_len = 0x7c0000,
.kernel_la = 0x80060000,
.kernel_ep = 0x80060000,
- .rootfs_ofs = 0x140000,
+ .rootfs_ofs = 0x100000,
}, {
- .id = "TL-WR941NDv2",
- .hw_id = HWID_TL_WR941ND_V2,
- .hw_rev = 2,
- .fw_max_len = 0x3c0000,
+ .id = "16M",
+ .fw_max_len = 0xf80000,
.kernel_la = 0x80060000,
.kernel_ep = 0x80060000,
.rootfs_ofs = 0x140000,
}, {
- .id = "TL-WR941NDv4",
- .hw_id = HWID_TL_WR941ND_V4,
- .hw_rev = 1,
- .fw_max_len = 0x3c0000,
+ .id = "16Mlzma",
+ .fw_max_len = 0xf80000,
.kernel_la = 0x80060000,
.kernel_ep = 0x80060000,
- .rootfs_ofs = 0x140000,
+ .rootfs_ofs = 0x100000,
}, {
- .id = "TL-WR1043NDv1",
- .hw_id = HWID_TL_WR1043ND_V1,
- .hw_rev = 1,
- .fw_max_len = 0x7c0000,
- .kernel_la = 0x80060000,
- .kernel_ep = 0x80060000,
- .rootfs_ofs = 0x140000,
+ .id = "16Mppc",
+ .fw_max_len = 0xf80000,
+ .kernel_la = 0x00000000 ,
+ .kernel_ep = 0xc0000000,
+ .rootfs_ofs = 0x2a0000,
}, {
/* terminating entry */
}
};
+static const struct fw_region regions[] = {
+ /* Default region (universal) uses code 0 as well */
+ {"US", 1},
+ {"EU", 0},
+};
+
/*
* Message macros
*/
#define ERRS(fmt, ...) do { \
int save = errno; \
fflush(0); \
- fprintf(stderr, "[%s] *** error: " fmt "\n", \
+ fprintf(stderr, "[%s] *** error: " fmt ": %s\n", \
progname, ## __VA_ARGS__, strerror(save)); \
} while (0)
fprintf(stderr, "[%s] " fmt "\n", progname, ## __VA_ARGS__ ); \
} while (0)
-static struct board_info *find_board(char *id)
+static struct flash_layout *find_layout(const char *id)
{
- struct board_info *ret;
- struct board_info *board;
+ struct flash_layout *ret;
+ struct flash_layout *l;
ret = NULL;
- for (board = boards; board->id != NULL; board++){
- if (strcasecmp(id, board->id) == 0) {
- ret = board;
+ for (l = layouts; l->id != NULL; l++){
+ if (strcasecmp(id, l->id) == 0) {
+ ret = l;
break;
}
};
return ret;
}
+static const struct fw_region * find_region(const char *country) {
+ size_t i;
+
+ for (i = 0; i < ARRAY_SIZE(regions); i++) {
+ if (strcasecmp(regions[i].name, country) == 0)
+ return ®ions[i];
+ }
+
+ return NULL;
+}
+
static void usage(int status)
{
- FILE *stream = (status != EXIT_SUCCESS) ? stderr : stdout;
- struct board_info *board;
-
- fprintf(stream, "Usage: %s [OPTIONS...]\n", progname);
- fprintf(stream,
+ fprintf(stderr, "Usage: %s [OPTIONS...]\n", progname);
+ fprintf(stderr,
"\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"
+" -W <hwrev> use hardware revision specified with <hwrev>\n"
+" -C <country> set region code to <country>\n"
+" -F <id> use flash layout specified with <id>\n"
" -k <file> read kernel image from the file <file>\n"
" -r <file> read rootfs image from the file <file>\n"
+" -a <align> align the rootfs start on an <align> bytes boundary\n"
+" -R <offset> overwrite rootfs offset with <offset> (hexval prefixed with 0x)\n"
" -o <file> write output to the file <file>\n"
-" -v <version> set image version to <version>\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"
+" -V <version> set image version to <version>\n"
+" -v <version> set firmware version to <version>\n"
+" -m <version> set header version to <version>\n"
+" -i <file> inspect given firmware file <file>\n"
+" -x extract kernel and rootfs while inspecting (requires -i)\n"
+" -X <size> reserve <size> bytes in the firmware image (hexval prefixed with 0x)\n"
" -h show this screen\n"
);
exit(status);
}
-static int get_md5(char *data, int size, char *md5)
+static void get_md5(const char *data, int size, uint8_t *md5)
{
MD5_CTX ctx;
return 0;
}
-static int read_to_buf(struct file_info *fdata, char *buf)
+static int read_to_buf(const struct file_info *fdata, char *buf)
{
FILE *f;
int ret = EXIT_FAILURE;
static int check_options(void)
{
int ret;
+ int exceed_bytes;
- if (board_id == NULL) {
- ERR("no board specified");
+ if (inspect_info.file_name) {
+ ret = get_file_stat(&inspect_info);
+ if (ret)
+ return ret;
+
+ return 0;
+ } else if (extract) {
+ ERR("no firmware for inspection specified");
return -1;
}
- board = find_board(board_id);
- if (board == NULL) {
- ERR("unknown/unsupported board id \"%s\"", board_id);
+ if (opt_hw_id == NULL) {
+ ERR("hardware id not specified");
return -1;
}
+ hw_id = strtoul(opt_hw_id, NULL, 0);
- if (kernel_info.file_name == NULL) {
- ERR("no kernel image specified");
+ if (!combined && layout_id == NULL) {
+ ERR("flash layout is not specified");
return -1;
}
- ret = get_file_stat(&kernel_info);
- if (ret)
- return ret;
+ if (opt_hw_rev)
+ hw_rev = strtoul(opt_hw_rev, NULL, 0);
+ else
+ hw_rev = 1;
+
+ if (country) {
+ region = find_region(country);
+ if (!region) {
+ ERR("unknown region code \"%s\"", country);
+ return -1;
+ }
+ }
if (combined) {
- if (kernel_info.file_size >
- board->fw_max_len - sizeof(struct fw_header)) {
- ERR("kernel image is too big");
+ if (!kernel_la || !kernel_ep) {
+ ERR("kernel loading address and entry point must be specified for combined image");
return -1;
}
} else {
- if (kernel_info.file_size >
- board->rootfs_ofs - sizeof(struct fw_header)) {
- ERR("kernel image is too big");
+ layout = find_layout(layout_id);
+ if (layout == NULL) {
+ ERR("unknown flash layout \"%s\"", layout_id);
+ return -1;
+ }
+
+ if (!kernel_la)
+ kernel_la = layout->kernel_la;
+ if (!kernel_ep)
+ kernel_ep = layout->kernel_ep;
+ if (!rootfs_ofs)
+ rootfs_ofs = layout->rootfs_ofs;
+
+ if (reserved_space > layout->fw_max_len) {
+ ERR("reserved space is not valid");
return -1;
}
+ }
+
+ if (kernel_info.file_name == NULL) {
+ ERR("no kernel image specified");
+ return -1;
+ }
+
+ ret = get_file_stat(&kernel_info);
+ if (ret)
+ return ret;
+
+ kernel_len = kernel_info.file_size;
+
+ if (!combined) {
+ fw_max_len = layout->fw_max_len - reserved_space;
+
if (rootfs_info.file_name == NULL) {
ERR("no rootfs image specified");
return -1;
if (ret)
return ret;
- if (rootfs_info.file_size >
- (board->fw_max_len - board->rootfs_ofs)) {
- ERR("rootfs image is too big");
- return -1;
+ if (rootfs_align) {
+ kernel_len += sizeof(struct fw_header);
+ kernel_len = ALIGN(kernel_len, rootfs_align);
+ kernel_len -= sizeof(struct fw_header);
+
+ DBG("kernel length aligned to %u", kernel_len);
+
+ exceed_bytes = kernel_len + rootfs_info.file_size - (fw_max_len - sizeof(struct fw_header));
+ if (exceed_bytes > 0) {
+ ERR("images are too big by %i bytes", exceed_bytes);
+ return -1;
+ }
+ } else {
+ exceed_bytes = kernel_info.file_size - (rootfs_ofs - sizeof(struct fw_header));
+ if (exceed_bytes > 0) {
+ ERR("kernel image is too big by %i bytes", exceed_bytes);
+ return -1;
+ }
+
+ exceed_bytes = rootfs_info.file_size - (fw_max_len - rootfs_ofs);
+ if (exceed_bytes > 0) {
+ ERR("rootfs image is too big by %i bytes", exceed_bytes);
+ return -1;
+ }
}
}
return -1;
}
+ ret = sscanf(fw_ver, "%d.%d.%d", &fw_ver_hi, &fw_ver_mid, &fw_ver_lo);
+ if (ret != 3) {
+ ERR("invalid firmware version '%s'", fw_ver);
+ return -1;
+ }
+
+ if (opt_hdr_ver == 1) {
+ hdr_ver = HEADER_VERSION_V1;
+ } else if (opt_hdr_ver == 2) {
+ hdr_ver = HEADER_VERSION_V2;
+ } else {
+ ERR("invalid header version '%u'", opt_hdr_ver);
+ return -1;
+ }
+
return 0;
}
memset(hdr, 0, sizeof(struct fw_header));
- hdr->version = HOST_TO_BE32(HEADER_VERSION_V1);
+ hdr->version = htonl(hdr_ver);
strncpy(hdr->vendor_name, vendor, sizeof(hdr->vendor_name));
strncpy(hdr->fw_version, version, sizeof(hdr->fw_version));
- hdr->hw_id = HOST_TO_BE32(board->hw_id);
- hdr->hw_rev = HOST_TO_BE32(board->hw_rev);
+ hdr->hw_id = htonl(hw_id);
+ hdr->hw_rev = htonl(hw_rev);
- if (boot_info.file_size == 0)
- memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
- else
- memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
+ hdr->kernel_la = htonl(kernel_la);
+ hdr->kernel_ep = htonl(kernel_ep);
+ hdr->kernel_ofs = htonl(sizeof(struct fw_header));
+ hdr->kernel_len = htonl(kernel_len);
- hdr->kernel_la = HOST_TO_BE32(board->kernel_la);
- hdr->kernel_ep = HOST_TO_BE32(board->kernel_ep);
- hdr->fw_length = HOST_TO_BE32(board->fw_max_len);
- hdr->kernel_ofs = HOST_TO_BE32(sizeof(struct fw_header));
- hdr->kernel_len = HOST_TO_BE32(kernel_info.file_size);
if (!combined) {
- hdr->rootfs_ofs = HOST_TO_BE32(board->rootfs_ofs);
- hdr->rootfs_len = HOST_TO_BE32(rootfs_info.file_size);
+ if (boot_info.file_size == 0)
+ memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
+ else
+ memcpy(hdr->md5sum1, md5salt_boot, sizeof(hdr->md5sum1));
+
+ hdr->fw_length = htonl(layout->fw_max_len);
+ hdr->rootfs_ofs = htonl(rootfs_ofs);
+ hdr->rootfs_len = htonl(rootfs_info.file_size);
+ }
+
+ hdr->ver_hi = htons(fw_ver_hi);
+ hdr->ver_mid = htons(fw_ver_mid);
+ hdr->ver_lo = htons(fw_ver_lo);
+
+ if (region) {
+ hdr->region_code = htonl(region->code);
+ snprintf(
+ hdr->region_str1, sizeof(hdr->region_str1), "00000000;%02X%02X%02X%02X;",
+ region->name[0], region->name[1], region->name[2], region->name[3]
+ );
+ snprintf(
+ hdr->region_str2, sizeof(hdr->region_str2), "%02X%02X%02X%02X",
+ region->name[0], region->name[1], region->name[2], region->name[3]
+ );
+ }
+
+ if (endian_swap) {
+ hdr->kernel_la = bswap_32(hdr->kernel_la);
+ hdr->kernel_ep = bswap_32(hdr->kernel_ep);
}
- get_md5(buf, len, hdr->md5sum1);
+ if (!combined)
+ get_md5(buf, len, hdr->md5sum1);
}
-static int write_fw(char *data, int len)
+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(const char *data, int len)
{
FILE *f;
int ret = EXIT_FAILURE;
char *buf;
char *p;
int ret = EXIT_FAILURE;
+ int writelen = 0;
- buflen = board->fw_max_len;
+ writelen = sizeof(struct fw_header) + kernel_len;
+
+ if (combined)
+ buflen = writelen;
+ else
+ buflen = layout->fw_max_len;
buf = malloc(buflen);
if (!buf) {
if (ret)
goto out_free_buf;
+
if (!combined) {
- p = buf + board->rootfs_ofs;
+ 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);
}
- fill_header(buf, buflen);
+ if (!strip_padding)
+ writelen = buflen;
- ret = write_fw(buf, buflen);
+ fill_header(buf, writelen);
+ ret = write_fw(buf, writelen);
if (ret)
goto out_free_buf;
return ret;
}
-int main(int argc, char *argv[])
+/* Helper functions to inspect_fw() representing different output formats */
+static inline void inspect_fw_pstr(const char *label, const char *str)
+{
+ printf("%-23s: %s\n", label, str);
+}
+
+static inline void inspect_fw_phex(const char *label, uint32_t val)
+{
+ printf("%-23s: 0x%08x\n", label, val);
+}
+
+static inline void inspect_fw_phexdec(const char *label, uint32_t val)
+{
+ printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
+}
+
+static inline void inspect_fw_pmd5sum(const char *label, const uint8_t *val, const 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];
int ret = EXIT_FAILURE;
- int err;
- FILE *outfile;
+ 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_V1) &&
+ (ntohl(hdr->version) != HEADER_VERSION_V2)) {
+ ERR("file does not seem to have V1/V2 header!\n");
+ goto out_free_buf;
+ }
+
+ inspect_fw_phexdec("Version 1 Header size", sizeof(struct fw_header));
+
+ 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) != 0)
+ inspect_fw_phexdec("Unknown value 3", hdr->unk3);
+
+ printf("\n");
+
+ inspect_fw_pstr("Vendor name", hdr->vendor_name);
+ inspect_fw_pstr("Firmware version", hdr->fw_version);
+ inspect_fw_phex("Hardware ID", ntohl(hdr->hw_id));
+ inspect_fw_phex("Hardware Revision", ntohl(hdr->hw_rev));
+ inspect_fw_phex("Region code", ntohl(hdr->region_code));
+
+ printf("\n");
+
+ inspect_fw_phexdec("Kernel data offset",
+ ntohl(hdr->kernel_ofs));
+ inspect_fw_phexdec("Kernel data length",
+ ntohl(hdr->kernel_len));
+ 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;
progname = basename(argv[0]);
while ( 1 ) {
int c;
- c = getopt(argc, argv, "B:V:N:ck:r:o:v:h:");
+ c = getopt(argc, argv, "a:H:E:F:L:m:V:N:W:C:ci:k:r:R:o:xX:ehsjv:");
if (c == -1)
break;
switch (c) {
- case 'B':
- board_id = optarg;
+ case 'a':
+ sscanf(optarg, "0x%x", &rootfs_align);
+ 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 'C':
+ country = optarg;
+ break;
+ case 'L':
+ sscanf(optarg, "0x%x", &kernel_la);
+ break;
+ case 'm':
+ sscanf(optarg, "%u", &opt_hdr_ver);
break;
case 'V':
version = optarg;
break;
+ case 'v':
+ fw_ver = optarg;
+ break;
case 'N':
vendor = 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 'v':
- version = optarg;
+ 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 'e':
+ endian_swap = true;
break;
case 'h':
usage(EXIT_SUCCESS);
break;
+ case 'X':
+ sscanf(optarg, "0x%x", &reserved_space);
+ break;
default:
usage(EXIT_FAILURE);
break;
if (ret)
goto out;
- ret = build_fw();
+ if (!inspect_info.file_name)
+ ret = build_fw();
+ else
+ ret = inspect_fw();
out:
return ret;
}
-
projects / openwrt / openwrt.git / blobdiff