source: src/router/services/sysinit/sysinit-x86.c @ 13509

/*
 * sysinit-x86.c
 *
 * Copyright (C) 2006 Sebastian Gottschall <gottschall@dd-wrt.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id:
 * 
 * System Initialisation for Standard PC and compatible Routers
 */

#include <stdio.h>
#include <stdlib.h>
#include <limits.h>
#include <time.h>
#include <unistd.h>
#include <errno.h>
#include <syslog.h>
#include <signal.h>
#include <string.h>
#include <termios.h>
#include <sys/klog.h>
#include <sys/types.h>
#include <sys/mount.h>
#include <sys/reboot.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <sys/wait.h>

#include <bcmnvram.h>
#include <shutils.h>
#include <utils.h>

#include <arpa/inet.h>
#include <sys/socket.h>
#include <linux/if.h>
#include <linux/sockios.h>
#include <linux/mii.h>
#include "devices/ethernet.c"

static int getdiscindex(void)   // works only for squashfs 
{
        int i;

        for (i = 0; i < 10; i++) {
                char dev[64];

                sprintf(dev, "/dev/discs/disc%d/part2", i);
                FILE *in = fopen(dev, "rb");

                if (in == NULL)
                        continue;       // no second partition or disc does not
                // exist, skipping
                char buf[4];

                fread(buf, 4, 1, in);
                if (buf[0] == 'h' && buf[1] == 's' && buf[2] == 'q'
                    && buf[3] == 't') {
                        fclose(in);
                        // filesystem detected
                        return i;
                }
                fclose(in);
        }
        return -1;
}

void start_sysinit(void)
{
        struct utsname name;
        time_t tm = 0;

        unlink("/etc/nvram/.lock");
        cprintf("sysinit() proc\n");
        /*
         * /proc 
         */
        mount("proc", "/proc", "proc", MS_MGC_VAL, NULL);
        mount("sysfs", "/sys", "sysfs", MS_MGC_VAL, NULL);
        mount("debugfs", "/sys/kernel/debug", "debugfs", MS_MGC_VAL, NULL);
        cprintf("sysinit() tmp\n");

        /*
         * /tmp 
         */
        mount("ramfs", "/tmp", "ramfs", MS_MGC_VAL, NULL);
        mount("devpts", "/dev/pts", "devpts", MS_MGC_VAL, NULL);
        mount("devpts", "/proc/bus/usb", "usbfs", MS_MGC_VAL, NULL);
        eval("mknod", "/dev/ppp", "c", "108", "0");
        eval("mknod", "/dev/nvram", "c", "229", "0");
        char dev[64];
        int index = getdiscindex();

        if (index == -1) {
                fprintf(stderr,
                        "no valid dd-wrt partition found, calling shell");
                eval("/bin/sh");
                exit(0);
        }
        // sprintf (dev, "/dev/discs/disc%d/part1", index);
        // mount (dev, "/boot", "ext2", MS_MGC_VAL, NULL);

        sprintf(dev, "/dev/discs/disc%d/part3", index);
        // eval("insmod","block2mtd",dev);
        // sprintf (dev, "/dev/mtdblock/0");
        // eval ("fsck", dev); //checking nvram partition and correcting errors
        // detect jffs
        /*
         * FILE *fp=fopen(dev,"rb"); int nojffs=0; if (getc(fp)!=0x85)nojffs=1;
         * if (getc(fp)!=0x19)nojffs=1; fclose(fp);
         */
        // eval("mtd","erase","mtd0");

        if (mount(dev, "/usr/local", "ext2", MS_MGC_VAL, NULL)) {
                eval("/sbin/mke2fs", "-F", "-b", "1024", dev);
                mount(dev, "/usr/local", "ext2", MS_MGC_VAL, NULL);
                eval("/bin/tar", "-xvvjf", "/etc/local.tar.bz2", "-C", "/");
        }
        eval("mkdir", "-p", "/usr/local/nvram");

        FILE *in = fopen("/usr/local/nvram/nvram.db", "rb");

        if (in != NULL) {
                fclose(in);
                eval("mkdir", "/tmp/nvram");
                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");
        }
        eval("mkdir", "/tmp/www");

        unlink("/tmp/nvram/.lock");
        eval("mkdir", "/tmp/nvram");

        cprintf("sysinit() var\n");

        /*
         * /var 
         */
        mkdir("/tmp/var", 0777);
        mkdir("/var/lock", 0777);
        mkdir("/var/log", 0777);
        mkdir("/var/run", 0777);
        mkdir("/var/tmp", 0777);

        if (!nvram_match("disable_watchdog", "1"))
                eval("watchdog");       // system watchdog

        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");

        /*
         * Modules 
         */
        uname(&name);

        /*
         * 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));
                close(s);
        }
#ifndef HAVE_NOWIFI
        insmod("ath_hal");
        if (nvram_get("rate_control") != NULL) {
                char rate[64];

                sprintf(rate, "ratectl=%s", nvram_safe_get("rate_control"));
                eval("insmod", "ath_pci", rate);
        } else {
                insmod("ath_pci");
        }
#ifdef HAVE_MADWIFI_MIMO
        fprintf(stderr, "load ATH 802.11n Driver\n");
        insmod("/lib/80211n/ath_mimo_hal.ko");
        if (nvram_get("rate_control") != NULL) {
                char rate[64];

                sprintf(rate, "ratectl=%s", nvram_safe_get("rate_control"));
                insmod("/lib/80211n/ath_mimo_pci.ko");
                eval("insmod", "ath_mimo_pci");
        } else {
                insmod("/lib/80211n/ath_mimo_pci.ko");
        }
#endif

        /*
         * eval ("ifconfig", "wifi0", "up"); eval ("ifconfig", "wifi1", "up");
         * eval ("ifconfig", "wifi2", "up"); eval ("ifconfig", "wifi3", "up");
         * eval ("ifconfig", "wifi4", "up"); eval ("ifconfig", "wifi5", "up");
         */
#endif

        insmod("ipv6");
        eval("mknod", "/dev/rtc", "c", "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");
        eval("mknod", "/dev/crypto", "c", "10", "70");
        /*
         * Set a sane date 
         */
        stime(&tm);
        cprintf("done\n");
        return;
}

int check_cfe_nv(void)
{
        nvram_set("portprio_support", "0");
        return 0;
}

int check_pmon_nv(void)
{
        return 0;
}

void start_overclocking(void)
{
}

void enable_dtag_vlan(int enable)
{

}