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firmware-utils: mktplinkfw: add support for TP-Link's new region codes

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TP-Link has changed the way the region is stored in the firmware header,
and now provides US- and EU-specific images for the Archer C7. Adding the
new region codes is necessary to make LEDE/OpenWrt flashable on devices
with the new stock firmwares again.

Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
This commit is contained in:
Matthias Schiffer
2016-08-28 19:43:25 +02:00
parent 02e3c718e9
commit a4fc62bc0e
1 changed files with 37 additions and 32 deletions
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69
tools/firmware-utils/src/mktplinkfw.c
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@@ -46,7 +46,7 @@ struct fw_header {
char fw_version[36];
uint32_t hw_id; /* hardware id */
uint32_t hw_rev; /* hardware revision */
uint32_t region; /* region code */
uint32_t region_code; /* region code */
uint8_t md5sum1[MD5SUM_LEN];
uint32_t unk2;
uint8_t md5sum2[MD5SUM_LEN];
@@ -63,7 +63,10 @@ struct fw_header {
uint16_t ver_hi;
uint16_t ver_mid;
uint16_t ver_lo;
uint8_t pad[354];
uint8_t pad[130];
char region_str1[32];
char region_str2[32];
uint8_t pad2[160];
} __attribute__ ((packed));
struct flash_layout {
@@ -74,6 +77,12 @@ struct flash_layout {
uint32_t rootfs_ofs;
};
struct fw_region {
char name[4];
uint32_t code;
};
/*
* Globals
*/
@@ -92,7 +101,7 @@ static char *opt_hw_rev;
static uint32_t hw_rev;
static uint32_t opt_hdr_ver = 1;
static char *country;
static uint32_t region;
static const struct fw_region *region;
static int fw_ver_lo;
static int fw_ver_mid;
static int fw_ver_hi;
@@ -173,9 +182,10 @@ static struct flash_layout layouts[] = {
}
};
static const char *const regions[] = {
"UN", /* universal */
"US",
static const struct fw_region regions[] = {
/* Default region (universal) uses code 0 as well */
{"US", 1},
{"EU", 0},
};
/*
@@ -214,22 +224,15 @@ static struct flash_layout *find_layout(const char *id)
return ret;
}
static uint32_t find_region(const char *country) {
uint32_t i;
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], country) == 0)
return i;
if (strcasecmp(regions[i].name, country) == 0)
return &regions[i];
}
return -1;
}
static const char * get_region_country(uint32_t region) {
if (region < ARRAY_SIZE(regions))
return regions[region];
else
return "unknown";
return NULL;
}
static void usage(int status)
@@ -353,13 +356,9 @@ static int check_options(void)
if (country) {
region = find_region(country);
if (region == (uint32_t)-1) {
char *end;
region = strtoul(country, &end, 0);
if (*end) {
ERR("unknown region code \"%s\"", country);
return -1;
}
if (!region) {
ERR("unknown region code \"%s\"", country);
return -1;
}
}
@@ -476,7 +475,6 @@ static void fill_header(char *buf, int len)
strncpy(hdr->fw_version, version, sizeof(hdr->fw_version));
hdr->hw_id = htonl(hw_id);
hdr->hw_rev = htonl(hw_rev);
hdr->region = htonl(region);
if (boot_info.file_size == 0)
memcpy(hdr->md5sum1, md5salt_normal, sizeof(hdr->md5sum1));
@@ -497,6 +495,18 @@ static void fill_header(char *buf, int len)
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]
);
}
get_md5(buf, len, hdr->md5sum1);
}
@@ -636,11 +646,6 @@ static inline void inspect_fw_phex(const char *label, uint32_t val)
printf("%-23s: 0x%08x\n", label, val);
}
static inline void inspect_fw_phexpost(const char *label, uint32_t val, const char *post)
{
printf("%-23s: 0x%08x (%s)\n", label, val, post);
}
static inline void inspect_fw_phexdec(const char *label, uint32_t val)
{
printf("%-23s: 0x%08x / %8u bytes\n", label, val, val);
@@ -711,7 +716,7 @@ static int inspect_fw(void)
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_phexpost("Region code", ntohl(hdr->region), get_region_country(ntohl(hdr->region)));
inspect_fw_phex("Region code", ntohl(hdr->region_code));
printf("\n");