void start_backup(void)
{
char drive[64];
#ifdef HAVE_OPENRISC
sprintf(drive, "/dev/sda");
#elif HAVE_RB600
sprintf(drive, "/dev/sda");
#else
sprintf(drive, "/dev/%s", getdisc());
#endif
//backup nvram
fprintf(stderr, "backup nvram\n");
FILE *in = fopen("/usr/local/nvram/nvram.bin", "rb");
if (in) {
char *mem = malloc(65536);
fread(mem, 65536, 1, in);
fclose(in);
in = fopen(drive, "r+b");
fseeko(in, 0, SEEK_END);
off_t mtdlen = ftello(in);
fseeko(in, mtdlen - (65536 * 2), SEEK_SET);
fwrite(mem, 65536, 1, in);
fclose(in);
eval("sync");
fprintf(stderr, "reread for sync disc\n");
in = fopen(drive, "rb");
fseeko(in, mtdlen - (65536 * 2), SEEK_SET);
fread(mem, 65536, 1, in);
fprintf(stderr, "%X%X%X%X\n", mem[0] & 0xff, mem[1] & 0xff, mem[2] & 0xff, mem[3] & 0xff);
fclose(in);
free(mem);
}
}
void start_recover(void)
{
FILE *in;
char dev[64];
fprintf(stderr, "recover broken nvram\n");
#ifdef HAVE_OPENRISC
sprintf(dev, "/dev/sda");
#elif HAVE_RB600
sprintf(dev, "/dev/sda");
#else
sprintf(dev, "/dev/%s", getdisc());
#endif
in = fopen(dev, "rb");
fseeko(in, 0, SEEK_END);
off_t mtdlen = ftello64(in);
fseeko(in, mtdlen - (65536 * 2), SEEK_SET);
unsigned char *mem = malloc(65536);
fread(mem, 65536, 1, in);
fclose(in);
if (mem[0] == 0x46 && mem[1] == 0x4c && mem[2] == 0x53 && mem[3] == 0x48) {
fprintf(stderr, "found recovery\n");
in = fopen("/usr/local/nvram/nvram.bin", "wb");
if (in != NULL) {
fwrite(mem, 65536, 1, in);
fclose(in);
}
}
free(mem);
}
void start_sysinit(void)
{
time_t tm = 0;
char dev[64];
char *disk = getdisc();
if (disk == NULL) {
fprintf(stderr, "no valid dd-wrt partition found, calling shell");
eval("/bin/sh");
exit(0);
}
FILE *in = fopen("/usr/local/nvram/nvram.db", "rb");
if (in != NULL) {
fclose(in);
mkdir("/tmp/nvram", 0700);
eval("cp", "/etc/nvram/nvram.db", "/tmp/nvram");
eval("cp", "/etc/nvram/offsets.db", "/tmp/nvram");
eval("/usr/sbin/convertnvram");
nvram_commit();
eval("rm", "-f", "/etc/nvram/nvram.db");
eval("rm", "-f", "/etc/nvram/offsets.db");
}
//recover nvram if available
in = fopen("/usr/local/nvram/nvram.bin", "rb");
if (in == NULL) {
fprintf(stderr, "recover broken nvram\n");
sprintf(dev, "/dev/%s", disk);
in = fopen(dev, "rb");
fseeko(in, 0, SEEK_END);
off_t mtdlen = ftello(in);
fseeko(in, mtdlen - (65536 * 2), SEEK_SET);
unsigned char *mem = malloc(65536);
fread(mem, 65536, 1, in);
fclose(in);
if (mem[0] == 0x46 && mem[1] == 0x4c && mem[2] == 0x53 && mem[3] == 0x48) {
fprintf(stderr, "found recovery\n");
in = fopen("/usr/local/nvram/nvram.bin", "wb");
if (in != NULL) {
fwrite(mem, 65536, 1, in);
fclose(in);
free(mem);
eval("sync");
sleep(5);
eval("event", "5", "1", "15");
}
}
free(mem);
} else {
fclose(in);
}
if (!nvram_match("disable_watchdog", "1"))
eval("watchdog"); // system watchdog
#ifdef HAVE_ERC
if (isregistered_real() && nvram_match("ree_resetme", "1")) {
fprintf(stderr, "Restoring REE default nvram\n");
eval("nvram", "restore", "/etc/defaults/x86ree.backup");
eval("reboot");
eval("event", "5", "1", "15");
}
#endif
cprintf("sysinit() setup console\n");
/*
* Setup console
*/
cprintf("sysinit() klogctl\n");
klogctl(8, NULL, atoi(nvram_safe_get("console_loglevel")));
cprintf("sysinit() get router\n");
/*
* eval("insmod","md5"); eval("insmod","aes"); eval("insmod","blowfish");
* eval("insmod","deflate"); eval("insmod","des");
* eval("insmod","michael_mic"); eval("insmod","cast5");
* eval("insmod","crypto_null");
*/
detect_ethernet_devices();
eval("ifconfig", "eth0", "0.0.0.0", "up");
eval("ifconfig", "eth1", "0.0.0.0", "up");
eval("ifconfig", "eth2", "0.0.0.0", "up");
eval("ifconfig", "eth3", "0.0.0.0", "up");
struct ifreq ifr;
int s;
if ((s = socket(AF_INET, SOCK_RAW, IPPROTO_RAW))) {
char eabuf[32];
strncpy(ifr.ifr_name, "eth0", IFNAMSIZ);
ioctl(s, SIOCGIFHWADDR, &ifr);
nvram_set("et0macaddr_safe", ether_etoa((unsigned char *)ifr.ifr_hwaddr.sa_data, eabuf));
nvram_set("et0macaddr", ether_etoa((unsigned char *)ifr.ifr_hwaddr.sa_data, eabuf));
close(s);
}
detect_wireless_devices();
mknod("/dev/rtc", S_IFCHR | 0644, makedev(253, 0));
#ifdef HAVE_CPUTEMP
// insmod("nsc_gpio");
// insmod("scx200_gpio");
// insmod("scx200_i2c");
// insmod("scx200_acb");
// insmod("lm77");
#endif
nvram_set("wl0_ifname", "ath0");
mknod("/dev/crypto", S_IFCHR | 0644, makedev(10, 70));
/*
* Set a sane date
*/
stime(&tm);
cprintf("done\n");
return;
}
