/
services.c
21557 lines (19295 loc) · 534 KB
/
services.c
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/*
* Miscellaneous services
*
* Copyright (C) 2009, Broadcom Corporation. All Rights Reserved.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Id: services.c,v 1.100 2010/03/04 09:39:18 Exp $
*/
#include <rc.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <sys/time.h>
#include <time.h>
#include <bcmnvram.h>
#include <shutils.h>
#include <sys/types.h>
#include <dirent.h>
#include <sys/mount.h>
#include <sys/vfs.h>
#include <arpa/inet.h>
#include <time.h>
#include <sys/time.h>
#include <sys/reboot.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/utsname.h>
#include <sys/param.h>
#include <net/ethernet.h>
#ifdef RTCONFIG_TOR
#include <pwd.h>
#endif
#include <shared.h>
#include "flash_mtd.h"
#if defined(RTCONFIG_CAPTIVE_PORTAL)
#include "sqlite3.h"
#endif
#ifdef RTCONFIG_PERMISSION_MANAGEMENT
#include <PMS_DBAPIs.h>
#endif
#ifndef RTCONFIG_DUALWAN
#include <rtstate.h> /* for get_wanunit_by_type inline function */
#endif
#ifdef RTCONFIG_RALINK
#include <ralink.h>
#endif
#ifdef RTCONFIG_QCA
#include <qca.h>
#endif
#ifdef RTCONFIG_DSL
#include <dsl-upg.h>
#endif
#ifdef RTCONFIG_USB
#include <disk_io_tools.h> //mkdir_if_none()
#ifdef RTCONFIG_USB_SMS_MODEM
#include "libsmspdu.h"
#endif
#else
int mkdir_if_none(const char *path)
{
DIR *dp;
char cmd[PATH_MAX];
if (!(dp = opendir(path))) {
memset(cmd, 0, PATH_MAX);
sprintf(cmd, "mkdir -m 0777 -p '%s'", (char *)path);
system(cmd);
return 1;
}
closedir(dp);
return 0;
}
#endif /* RTCONFIG_USB */
#ifdef RTCONFIG_QTN
#include "web-qtn.h"
#endif
#ifdef RTCONFIG_HTTPS
#include <errno.h>
#include <getopt.h>
#include <openssl/sha.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/rsa.h>
#endif
#ifdef RTCONFIG_IPSEC
#include "rc_ipsec.h"
#define DBG(args) _dprintf args
#endif
#if defined(RTCONFIG_NOTIFICATION_CENTER)
#include <libnt.h>
#include <nt_eInfo.h>
#endif
#if defined(RTCONFIG_QCA_PLC_UTILS) || defined(RTCONFIG_QCA_PLC2)
#include <plc_utils.h>
#endif
#if defined(RTCONFIG_BT_CONN)
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#endif /* RTCONFIG_BT_CONN */
#if defined(RTCONFIG_LP5523)
#include <lp5523led.h>
#endif
#ifdef RTCONFIG_CFGSYNC
#include <cfg_lib.h>
#include <cfg_event.h>
#endif
#ifdef RTCONFIG_AMAS
#include <amas-utils.h>
#include <amas_lib.h>
int init_x_Setting = -1;
#endif
#ifdef RTCONFIG_AMAS_WGN
#include <amas_wgn_shared.h>
#endif
#ifdef RTCONFIG_HND_ROUTER_AX_6756
#include <bcm_flashutil.h>
#include <bcm_hwdefs.h>
#endif
extern char *crypt __P((const char *, const char *)); //should be defined in unistd.h with _XOPEN_SOURCE defined
#define sin_addr(s) (((struct sockaddr_in *)(s))->sin_addr)
void chilli_localUser(void);
void stop_hour_monitor_service();
void start_hour_monitor_service();
/* The g_reboot global variable is used to skip several unnecessary delay
* and redundant steps during reboot / restore to default procedure.
*/
int g_reboot = 0;
int g_upgrade = 0;
// Pop an alarm to recheck pids in 500 msec.
static const struct itimerval pop_tv = { {0,0}, {0, 500 * 1000} };
// Pop an alarm to reap zombies.
static const struct itimerval zombie_tv = { {0,0}, {307, 0} };
// -----------------------------------------------------------------------------
static const char dmhosts[] = "/etc/hosts.dnsmasq";
static const char dmresolv[] = "/tmp/resolv.conf";
static const char dmservers[] = "/tmp/resolv.dnsmasq";
#define INADYNCONF "/etc/inadyn.conf"
#ifdef RTCONFIG_TOAD
static void start_toads(void);
static void stop_toads(void);
#endif
#ifdef RTCONFIG_CROND
void stop_cron(void);
void start_cron(void);
#endif
void start_wlcscan(void);
void stop_wlcscan(void);
#if 0
void start_jitterentropy(void);
void stop_jitterentropy(void);
#else
void start_haveged(void);
void stop_haveged(void);
#endif
#ifndef MS_MOVE
#define MS_MOVE 8192
#endif
#ifndef MNT_DETACH
#define MNT_DETACH 0x00000002
#endif
#if defined(BCMDBG) || defined(RTCONFIG_QCA)
#include <assert.h>
#else
#define assert(a)
#endif
#define logs(s) syslog(LOG_NOTICE, s)
#if defined(RTCONFIG_JFFS2) || defined(RTCONFIG_JFFSV1) || defined(RTCONFIG_BRCM_NAND_JFFS2)
int jffs2_fail;
#endif
#define FWUPDATE_DBG(fmt,args...) \
if(1) { \
char info[1024]; \
snprintf(info, sizeof(info), "echo \"[FWUPDATE][%s:(%d)]"fmt"\" >> /tmp/webs_upgrade.log", __FUNCTION__, __LINE__, ##args); \
system(info); \
}
void
sanity_logs()
{
#if defined(RTAC56U) || defined(RTAC56S)
logmessage("ATE", "valid user mode(%d)", !nvram_get_int(ATE_BRCM_FACTORY_MODE_STR()));
#endif
#if defined(RTCONFIG_JFFS2) || defined(RTCONFIG_JFFSV1) || defined(RTCONFIG_BRCM_NAND_JFFS2)
logmessage("jffs2", "valid logs(%d)", !jffs2_fail);
#endif
}
#if 0
static char
*make_var(char *prefix, int index, char *name)
{
static char buf[100];
assert(prefix);
assert(name);
if (index)
snprintf(buf, sizeof(buf), "%s%d%s", prefix, index, name);
else
snprintf(buf, sizeof(buf), "%s%s", prefix, name);
return buf;
}
static int is_wet(int idx, int unit, int subunit, void *param)
{
return nvram_match(wl_nvname("mode", unit, subunit), "wet");
}
#endif
#define TMP_ROOTFS_MNT_POINT "/sysroot"
/* Build temporarily rootfilesystem
* @newroot: Mount point of new root filesystem.
* @return:
* 0: success
* -1: mount tmp filesystem fail
* -2: copy files fail
* -3: make directory fail
*
* WARNING
* ==========================================================================
* YOU HAVE TO HANDLE THIS FUNCTION VERY CAREFUL. IF YOU MISS FILE(S) THAT
* ARE NEED BY init PROCESS, e.g. /usr/lib/libnvram.so,
* KERNEL REBOOTS SYSTEM IN 3 SECONDS. ERROR MESSAGE IS SHOWN BELOW:
* ==========================================================================
* Image successfully flashed
* Kernel panic - not syncing: Attempted to kill init!
* Rebooting in 3 seconds..
* /sbin/init: can't load library 'libnvram.so'
*/
#if defined(RTCONFIG_TEMPROOTFS)
static int remove_tail_char(char *str, char c)
{
char *p;
if (!str || *str == '\0' || c == '\0')
return -1;
for (p = str + strlen(str); p >= str && *p == c; p--)
*p = '\0';
if (p == str)
return -2;
return 0;
}
/*
* @param: extra parameter of cp command
* @dir: base directory
* @files: files, e.g., "fileA fileB fileC"
* @newroot: new root directory
* @return:
* 0: success
*
* 1. cp("", "/bin", "fileA fileB fileC", "/sysroot") equals to below commands:
* a. mkdir -p /sysroot/bin
* b. cp -a /bin/fileA /bin/fileB /bin/fileC /sysroot/bin
*
* 2. cp("L", "/usr/bin", "" or NULL, "/sysroot") equals to below commands:
* a. if [ -e "/sysroot/usr/bin" ] ; then rmdir "/sysroot/usr/bin" ; fi
* b. mkdir -p `dirname /sysroot/usr/bin`
* c. cp -aL /usr/bin /sysroot
*/
static int __cp(const char *param, const char *dir, const char *files, const char *newroot)
{
struct stat st;
const char *sep = "/";
int i, l, len = 0, len2 = 0, mode = 0; /* copy files and sub-directory */
char cmd[2048], *f, *p, *token, *ptr1;
char d[PATH_MAX], dest_dir[PATH_MAX];
char str1[] = "cp -afXXXXXXXXXXXXXYYY";
const char delim[] = " ";
if (!dir || !newroot || *newroot == '\0')
return -1;
if (!files || *files == '\0')
mode = 1; /* copy a directory recursive */
if (!param)
param = "";
sprintf(str1, "cp -af%s", param);
if (dir && *dir == '/')
sep = "";
sprintf(dest_dir, "%s", newroot);
if (stat(dest_dir, &st) || !S_ISDIR(st.st_mode))
return -2;
switch (mode) {
case 0: /* copy files and sub-directory */
if (!(f = strdup(files)))
return -3;
if (*dir != '\0') {
sprintf(dest_dir, "%s%s%s", newroot, sep, dir);
if (!d_exists(dest_dir))
eval("mkdir", "-p", dest_dir);
else if (!S_ISDIR(st.st_mode)) {
_dprintf("%s exist and is not a directory!\n", dest_dir);
return -4;
}
}
strcpy(cmd, str1);
len = strlen(cmd);
p = cmd + len;
len2 = strlen(dest_dir) + 2; /* leading space + tail NULL */
len += len2;
for (i = l = 0, token = strtok_r(f, delim, &ptr1);
token != NULL;
token = strtok_r(NULL, delim, &ptr1), p += l, len += l)
{
sprintf(d, "%s/%s", dir, token);
/* don't check existence if '?' or '*' exist */
if (!strchr(d, '?') && !strchr(d, '*') && stat(d, &st) < 0) {
_dprintf("%s: %s not exist, skip!\n", __func__, d);
l = 0;
continue;
}
l = strlen(d) + 1;
if ((len + l) < sizeof(cmd)) {
strcat(p, " ");
strcat(p, d);
++i;
continue;
}
/* cmd buffer is not enough, flush */
strcat(p, " ");
strcat(p, dest_dir);
system(cmd);
strcpy(cmd, str1);
len = strlen(cmd);
p = cmd + len;
len += len2;
strcat(p, " ");
strcat(p, d);
i = 1;
}
if (i > 0) {
strcat(p, " ");
strcat(p, dest_dir);
system(cmd);
}
free(f);
break;
case 1: /* copy a directory recursive */
/* If /newroot/bin exist and is directory, rmdir /newroot/bin.
* If not, /bin would be copied to newroot/bin/bin.
*/
if (*dir == '\0')
return -10;
sprintf(dest_dir, "%s%s%s", newroot, sep, dir);
if (d_exists(dest_dir)) {
_dprintf("%s exist, remove it\n", dest_dir);
if (rmdir(dest_dir)) {
_dprintf("rmdir %s (%s)\n", dest_dir, strerror(errno));
return -11;
}
}
/* remove tail '/' */
strcpy(d, dest_dir);
remove_tail_char(d, '/');
/* make sure parent directory of destination directory exist */
p = strrchr(d, '/');
if (p && p != d) {
*p = '\0';
remove_tail_char(d, '/');
if (!d_exists(d))
eval("mkdir", "-p", d);
}
sprintf(cmd, "%s %s %s", str1, dir, dest_dir);
system(cmd);
break;
default:
_dprintf("%s: mode %d is not defined!\n", __func__, mode);
return -4;
}
return 0;
}
/* Build a temporary rootfilesystem.
*
* If you add new binary to temp. rootfilesystem, check whether it needs another library!
* For example, iwpriv needs libiw.so.29, libgcc_s.so.1, and libc.so.0:
* $ mipsel-linux-objdump -x bin/iwpriv | grep NEED
* NEEDED libiw.so.29
* NEEDED libgcc_s.so.1
* NEEDED libc.so.0
* VERNEED 0x004008d4
* VERNEEDNUM 0x00000001
*/
int build_temp_rootfs(const char *newroot)
{
int i, r;
struct stat st;
char d1[PATH_MAX], d2[PATH_MAX];
struct utsname u;
const char *mdir[] = { "/proc", "/tmp", "/sys", "/usr", "/var", "/var/lock" };
const char *bin = "ash busybox cat cp dd df echo grep iwpriv kill ls ps mkdir mount nvram ping sh tar umount uname rm chmod mv"
#if defined(RTCONFIG_HND_ROUTER_AX)
" bcm_flasher chroot pivot_root bcm_bootstate bash vi ubinfo"
" ash bash cat chmod chown cp date dd df dmesg echo egrep false fatattr fgrep fsync grep gunzip gzip ln login mkdir mknod more netsta nice pidof ping ping6i ps pwd rm rmdir"
" sed sleep stty sync tar touch true usleep watch zcat"
#endif
;
const char *sbin = "init rc hotplug2 insmod lsmod modprobe reboot rmmod rtkswitch"
#if defined(RTCONFIG_BWDPI)
" bwdpi* rsasign_sig_check"
#endif
;
const char *lib = "librt*.so* libnsl* libdl* libm* ld-* libiw* libgcc* libpthread* libdisk* libc*"
#if defined(RTCONFIG_HND_ROUTER_AX)
" libnvram.so* libgen_util.so* libsys_util.so* libwlcsm.so* libbcm_flashutil.so* libbcm_util.so* libbcm_boardctl.so*"
#endif
#if defined(RTCONFIG_LIBASUSLOG)
" libasuslog.so*"
#endif
;
const char *usrbin = "killall which expr find fuser lsof"
#if defined(RTCONFIG_WIFI_QCN5024_QCN5054) || defined(RTCONFIG_QCA_AXCHIP)
" cnssdaemon"
#endif
;
const char *usrsbin __attribute__((unused)) = "httpd"
#if defined(RTCONFIG_HTTPS)
" httpds"
#endif
#ifdef RTCONFIG_BCMARM
" nvram"
#endif
#ifdef RTCONFIG_HND_ROUTER
" envram envrams fwupg_flashing.sh"
#endif
#if defined(RTCONFIG_BWDPI)
" shn_ctrl bwdpi_sqlite dcd wred AiProtectionMonitor hwinfo TrafficAnalyzer WebHistory"
#endif
;
const char *usrlib = "libnvram.so* libshared.so* libcrypto.so* libbcm.so*"
#if defined(RTCONFIG_HND_ROUTER_AX)
" libwpa_client.so* "
" libsqlite3.so.0* libjson-c.so.2* libasc.so* libovpn.so* "
#else
" libjson*"
#endif
#if defined(RTCONFIG_BWDPI)
" libbwdpi.so libbwdpi_sql.so"
#endif
#ifdef RTCONFIG_USB_SMS_MODEM
" libsmspdu.so"
#endif
#if defined(RTCONFIG_HTTPS) || defined(RTCONFIG_PUSH_EMAIL) || defined(RTCONFIG_FRS_FEEDBACK)
" libssl.so* libmssl.so*"
#if defined(RTCONFIG_FRS_FEEDBACK)
" libcurl.so* libxml2.so*"
#endif
#endif
#if defined(RTCONFIG_NOTIFICATION_CENTER) || defined(RTCONFIG_BWDPI) || \
defined(RTCONFIG_TRAFFIC_LIMITER) || defined(RTCONFIG_MEDIA_SERVER) || \
defined(RTCONFIG_FREERADIUS) || defined(RTCONFIG_CAPTIVE_PORTAL) || \
defined(RTCONFIG_WEBDAV)
" libsqlite*"
#endif
#if defined(RTCONFIG_PERMISSION_MANAGEMENT)
" libsqlcipher.so* libpms_sql.so"
#endif
#if defined(RTCONFIG_FBWIFI)
" libfbwifi.so"
#endif
#ifdef RTCONFIG_CFGSYNC
" libcfgmnt.so"
#endif
#if defined(RTCONFIG_PROTECTION_SERVER)
" libptcsrv.so"
#endif
#if defined(RTCONFIG_LETSENCRYPT)
" libletsencrypt.so"
#endif
#if defined(RTCONFIG_AMAS)
" libamas-utils.so liblldpctl.so* libjansson.so*"
#endif
#if defined(RTCONFIG_WIFI_QCN5024_QCN5054) || defined(RTCONFIG_QCA_AXCHIP)
" libqmi_cci.so libqmi_common_so.so"
#endif
#if defined(RTCONFIG_CONNDIAG)
" libconn_diag.so"
#endif /* RTCONFIG_CONNDIAG */
;
const char *kmod = "find /lib/modules -name '*.ko'|"
"grep '\\("
#if defined(RTCONFIG_BLINK_LED)
"bled\\|" /* bled.ko */
"usbcore\\|" /* usbcore.ko */
#if LINUX_KERNEL_VERSION >= KERNEL_VERSION(3,2,0)
"usb-common\\|" /* usb-common.ko, kernel 3.2 or above */
#endif
#endif
"nvram_linux\\)'"; /* nvram_linux.ko */
const char *modules = "find /lib/modules -name 'modules.dep'";
if (!newroot || *newroot == '\0')
newroot = TMP_ROOTFS_MNT_POINT;
#ifdef RTCONFIG_HND_ROUTER_AX_6756
eval("wl", "-i", "wl0", "down");
eval("wl", "-i", "wl1", "down");
eval("wl", "-i", "wl2", "down");
eval("wdtctl", "-d", "stop");
eval("killall", "debug_monitor");
sleep(1);
eval("ubirmvol", "/dev/ubi0", "-n", "12");
eval("ubimkvol", "/dev/ubi0", "-s", *nvram_safe_get("newroot_size")?nvram_safe_get("newroot_size"):"30000000", "-n", "12", "-N", "tmprootfs", "--type=dynamic");
eval("mkdir", "-p", newroot);
if ((r = mount("/dev/ubi0_12", newroot, "ubifs", MS_NOATIME, "")) != 0)
return -1;
#else
if ((r = mount("tmpfs", newroot, "tmpfs", MS_NOATIME, "")) != 0)
return -1;
#endif
_dprintf("Build temp rootfs\n");
__cp("", "/dev", "", newroot);
if (!uname(&u)) {
snprintf(d1, sizeof(d1), "/lib/modules/%s", u.release);
__cp("", d1, "modules.dep", newroot);
}
__cp("", "/bin", bin, newroot);
__cp("", "/sbin", sbin, newroot);
__cp("", "/lib", lib, newroot);
__cp("", "/lib", "libcrypt*", newroot);
__cp("", "/usr/bin", usrbin, newroot);
#ifdef RTCONFIG_BCMARM
__cp("", "/usr/sbin", usrsbin, newroot);
#endif
__cp("", "/usr/lib", usrlib, newroot);
__cp("L", "/etc", "", newroot); /* don't creat symbolic link (/tmp/etc/foo) that will be broken soon */
#if defined(RTCONFIG_QCA)
__cp("", "/sbin", "wlanconfig", newroot);
__cp("", "/usr/lib", "libnl-tiny.so", newroot);
#if !defined(RTCONFIG_SWITCH_QCA8075_QCA8337_PHY_AQR107_AR8035_QCA8033) && \
!defined(RTCONFIG_SWITCH_QCA8075_PHY_AQR107) && \
!defined(RTCONFIG_SOC_IPQ60XX) && \
!defined(RTCONFIG_SWITCH_RTL8370M_PHY_QCA8033_X2) && \
!defined(RTCONFIG_SWITCH_RTL8370MB_PHY_QCA8033_X2)
__cp("", "/usr/sbin", "swconfig", newroot);
#endif
#if defined(RTCONFIG_SOC_IPQ8074) || \
defined(RTCONFIG_SOC_IPQ40XX)
__cp("", "/usr/sbin", "ssdk_sh", newroot);
#endif
#if defined(RTCONFIG_WIFI_QCA9990_QCA9990) || \
defined(RTCONFIG_WIFI_QCA9994_QCA9994) || \
defined(RTCONFIG_WIFI_QCN5024_QCN5054) || \
defined(RTCONFIG_QCA_AXCHIP)
__cp("", "/usr/sbin", "thermald", newroot);
#endif
#if defined(RTCONFIG_CFG80211)
__cp("", "/usr/sbin", "cfg80211*", newroot);
__cp("R", "/lib/wifi", "*.xml", newroot);
#endif
#endif
#if defined(RTCONFIG_PPTPD)
if (nvram_match("pptpd_enable", "1")) {
__cp("", "/usr/sbin", "pptpd bcrelay", newroot);
}
#endif
#if defined(RTCONFIG_OPENVPN)
__cp("", "/usr/lib", "libovpn.so", newroot);
if (nvram_match("VPNServer_enable", "1")) {
__cp("", "/usr/sbin", "openvpn", newroot);
__cp("", "/usr/lib", "libz.so* liblzo2.so* liblz4.so*", newroot);
}
#endif
#if defined(RTCONFIG_IPSEC)
if (nvram_get_int("ipsec_server_enable") || nvram_get_int("ipsec_client_enable")
#ifdef RTCONFIG_INSTANT_GUARD
|| nvram_get_int("ipsec_ig_enable")
#endif
) {
__cp("", "/usr/sbin", "charon-cmd ipsec pki", newroot);
__cp("", "/usr/lib/ipsec", "starter charon", newroot);
__cp("R", "/usr/lib/ipsec", "", newroot);
}
#endif
#if defined(RTCONFIG_QCA_PLC2)
{
__cp("", "/usr/local/bin", "plctool", newroot);
}
#endif
#if defined(RTCONFIG_LIBASC)
{
__cp("", "/usr/lib", "libasc.so", newroot);
}
#endif
/* copy mandatory kernel modules */
snprintf(d2, sizeof(d2), "tar cvf - `%s` `%s` | tar xf - -C %s", kmod, modules, newroot);
system(d2);
/* make directory, if not exist */
for (i = 0; i < ARRAY_SIZE(mdir); ++i) {
sprintf(d1, "%s/%s", newroot, mdir[i]);
if (stat(d1, &st) && (r = mkdir(d1, 0755) == -1))
return -3;
}
return 0;
}
/* Switch rootfilesystem to newroot.
* @newroot: Mount point of new root filesystem.
* @return:
* -1: Not init process.
* -2: chdir to newroot fail
* -3: Newroot is not a mount point
* -4: Move mount point to / fail
* -5: exec new init process fail
*/
int switch_root(const char *newroot)
{
int r;
dev_t rdev;
struct stat st;
#if defined(RTCONFIG_QCA) || defined(RTCONFIG_RALINK)
char *const argv[] = { "/sbin/init", "reboot", NULL };
#else
char *const argv[] = { "sh", NULL };
#endif
if (!newroot || *newroot == '\0')
newroot = TMP_ROOTFS_MNT_POINT;
#ifndef RTCONFIG_HND_ROUTER_AX_6756
if (getpid() != 1) {
_dprintf("%s: PID != 1\n", __func__);
return -1;
}
#endif
#if 0
char oldroot[64];
sprintf(oldroot, "%s/old-root", newroot);
eval("mkdir", "-p", oldroot);
#endif
_dprintf("%s, chk newroot=%s\n", __func__, newroot);
if (chdir(newroot))
return -2;
stat("/", &st);
rdev = st.st_dev;
stat(".", &st);
if (rdev == st.st_dev)
return -3;
#if 0
if(nvram_match("newroot_way", "2")) {
_dprintf("\npivot root\n");
eval("pivot_root", ".", oldroot);
} else {
#endif
_dprintf("mount / as switch_root\n");
if ((r = mount(".", "/", NULL, MS_MOVE, NULL)) != 0)
return -4;
#if 0
}
#endif
chroot(".");
chdir("/");
/* WARNING:
* If new rootfilesystem lacks libraries that are need by init process,
* kernel reboots system in 3 seconds.
*/
if ((r = execv(argv[0], argv))) {
_dprintf("%s, execv err:%d\n", __func__, r);
return -5;
}
/* NEVER REACH HERE */
return 0;
}
#else /* !RTCONFIG_TEMPROOTFS */
static inline int build_temp_rootfs(const char *newroot) { return -999; }
static inline int switch_root(const char *newroot) { return -999; }
#endif /* RTCONFIG_TEMPROOTFS */
#ifdef RTCONFIG_PERMISSION_MANAGEMENT
void PMS_Init_Database()
{
if (f_exists(PMS_DB_FILE)) return;
char para[256];
// create all tables
if (PMS_CreateAllTables() != 0)
{
printf("%s : create table error!\n", __FUNCTION__);
return;
}
// setup default account from nvram
PMS_ACCOUNT_INFO_T *tmp1 = NULL;
if ((tmp1 = PMS_list_Account_new(5, "1", nvram_safe_get("http_username"), nvram_safe_get("http_passwd"), "", "")) != NULL)
{
//printf("%s : %d>%s>%s>%s>%s\n", __FUNCTION__, tmp1->active, tmp1->name, tmp1->passwd, tmp1->desc, tmp1->email);
PMS_ActionAccountInfo(PMS_ACTION_UPDATE, (void *)tmp1, 0);
PMS_list_ACCOUNT_free(tmp1);
}
// setup default account group : Adminstrator / FrontDesk / default
PMS_ACCOUNT_GROUP_INFO_T *tmp2 = NULL;
if ((tmp2 = PMS_list_AccountGroup_new(3, "1", "Administrator", "")) != NULL)
{
PMS_ActionAccountInfo(PMS_ACTION_UPDATE, (void *)tmp2, 1);
PMS_list_ACCOUNT_GROUP_free(tmp2);
}
/* remove in 2016/11/21 due to FrontDesk function isn't ready, after function done, please rollback this */
#if 0
if ((tmp2 = PMS_list_AccountGroup_new(3, "0", "FrontDesk", "")) != NULL)
{
PMS_ActionAccountInfo(PMS_ACTION_UPDATE, (void *)tmp2, 1);
PMS_list_ACCOUNT_GROUP_free(tmp2);
}
#endif
if ((tmp2 = PMS_list_AccountGroup_new(3, "1", "default", "")) != NULL)
{
PMS_ActionAccountInfo(PMS_ACTION_UPDATE, (void *)tmp2, 1);
PMS_list_ACCOUNT_GROUP_free(tmp2);
}
// setup account / group matching table from account
snprintf(para, sizeof(para), "%s>Administrator>FrontDesk", nvram_safe_get("http_username"));
PMS_ActAccMatchInfo(PMS_ACTION_UPDATE, 3, para);
// setup default device group : Adminstrator / default
PMS_DEVICE_GROUP_INFO_T *tmp3 = NULL;
if ((tmp3 = PMS_list_DeviceGroup_new(3, "1", "Administrator", "")) != NULL)
{
PMS_ActionDeviceInfo(PMS_ACTION_UPDATE, (void *)tmp3, 1);
PMS_list_DEVICE_GROUP_free(tmp3);
}
if ((tmp3 = PMS_list_DeviceGroup_new(3, "1", "default", "")) != NULL)
{
PMS_ActionDeviceInfo(PMS_ACTION_UPDATE, (void *)tmp3, 1);
PMS_list_DEVICE_GROUP_free(tmp3);
}
}
#endif
void setup_passwd(void)
{
#ifdef RTCONFIG_PERMISSION_MANAGEMENT
PMS_Init_Database();
#endif
create_passwd();
}
static char *make_salt(char *buf, size_t size)
{
unsigned char tmp[6];
char *p;
int n;
if (buf == NULL)
return NULL;
n = strlcpy(buf, "$1$", size);
n = (size - n - 1) / 4 * 3;
if (n > 0) {
if (n > sizeof(tmp))
n = sizeof(tmp);
f_read("/dev/urandom", tmp, n);
n = base64_encode(tmp, buf + 3, n);
buf[3 + n] = '\0';
}
for (p = buf; *p; p++) {
if (*p == '+')
*p = '.';
}
return buf;
}
static void
nvram_fsafe_get(const char *nvram, char *nvram_buf, size_t len)
{
int try = 3;
do {
if(try != 3) // dont usleep the first time
{
dbg("[%s:(%d)]:get empty nvram(%s)\n", __FUNCTION__, __LINE__, nvram);
usleep(500);
}
strlcpy(nvram_buf, nvram_safe_get(nvram), len);
try--;
} while(strlen(nvram_buf) == 0 && try > 0);
}
void create_passwd(void)
{
FILE *fp;
mode_t m;
char salt[32];
char http_user[128] = {0};
char http_passwd[128] = {0};
char *shell_user, *shell_passwd;
#ifdef RTCONFIG_SAMBASRV //!!TB
char *smbd_user;
#endif
#ifdef RTCONFIG_NVRAM_ENCRYPT
char http_passwd_buf[128];
char shell_passwd_buf[128];
#endif
char passwd_buf[128] = {0};
#ifdef RTCONFIG_SAMBASRV //!!TB
create_custom_passwd();
#endif
#if defined(RTCONFIG_OPENVPN)
mkdir_if_none("/etc/pam.d");
f_write_string("/etc/pam.d/openvpn", "auth required pam_unix.so\n", 0, 0644);
create_ovpn_passwd();
#endif
/* Admin user */
nvram_fsafe_get("http_username", http_user, sizeof(http_user));
if (strlen(http_user) == 0)
strlcpy(http_user, "admin", sizeof(http_user));
strlcpy(http_passwd, nvram_safe_get("http_passwd"), sizeof(http_passwd));
if (*http_passwd == '\0')
strlcpy(http_passwd, "admin", sizeof(http_passwd));
#ifdef RTCONFIG_NVRAM_ENCRYPT
else {
memset(http_passwd_buf, 0, sizeof(http_passwd_buf));
nvram_fsafe_get("http_passwd", passwd_buf, sizeof(passwd_buf));
pw_dec(passwd_buf, http_passwd_buf, sizeof(http_passwd_buf));
strlcpy(http_passwd, http_passwd_buf, sizeof(http_passwd));
}
#endif
#if defined(RTCONFIG_USB) && defined(RTCONFIG_AMAS)
if(aimesh_re_node()){
char *nv, *nvp, *b;
char *first_ascii_user, *first_ascii_passwd;
int i;
nv = nvp = strdup(nvram_safe_get("acc_list"));
i = 0;
if(nv && strlen(nv) > 0){
while((b = strsep(&nvp, "<")) != NULL){
if(vstrsep(b, ">", &first_ascii_user, &first_ascii_passwd) != 2)
continue;
mod_account(first_ascii_user, http_user, http_passwd);
if(++i == 1)
break;
}
}
}
#endif
/* Shell user */
if (nvram_get_int("telnetd_enable")
#ifdef RTCONFIG_SSH
|| (nvram_get_int("sshd_enable") && nvram_get_int("sshd_pass"))
#endif
) {
shell_user = nvram_safe_get("shell_username");
if (strcmp(shell_user, http_user) == 0)
shell_user = "";
shell_passwd = nvram_safe_get("shell_passwd");
#ifdef RTCONFIG_NVRAM_ENCRYPT
if (*shell_passwd) {
memset(shell_passwd_buf, 0, sizeof(shell_passwd_buf));
pw_dec(shell_passwd, shell_passwd_buf, sizeof(shell_passwd_buf));
shell_passwd = shell_passwd_buf;
}
#endif
} else
shell_user = shell_passwd = ""; /* disable */
#ifdef RTCONFIG_SAMBASRV //!!TB
smbd_user = nvram_safe_get("smbd_user");
if (*smbd_user == '\0' || strcmp(smbd_user, "root") == 0)
smbd_user = "nas";
#endif
m = umask(066); /* 600 */
/* /etc/shadow */
if ((fp = fopen("/etc/shadow", "w")) != NULL) {
fprintf(fp, "%s:%s:0:0:99999:7:0:0:\n",
http_user, crypt(http_passwd, make_salt(salt, sizeof(salt))));
if (*shell_user && *shell_passwd) {
fprintf(fp, "%s:%s:0:0:99999:7:0:0:\n",
shell_user, crypt(shell_passwd, make_salt(salt, sizeof(salt))));
}
#ifdef RTCONFIG_SAMBASRV //!!TB
fprintf(fp, "%s:%s:0:0:99999:7:0:0:\n", smbd_user, "*");
#endif
fprintf(fp, "%s:%s:0:0:99999:7:0:0:\n", "nobody", "*");
#ifdef RTCONFIG_TOR
fprintf(fp, "%s:%s:0:0:99999:7:0:0:\n", "tor", "*");
#endif
fappend(fp, "/etc/shadow.custom");
#ifdef RTCONFIG_OPENVPN
fappend(fp, "/etc/shadow.openvpn");
#endif
#ifdef RTCONFIG_COOVACHILLI
fappend(fp, "/etc/shadow.chilli");
fappend(fp, "/etc/shadow.chilli-cp");
#endif
append_custom_config("shadow", fp);
fclose(fp);
run_postconf("shadow","/etc/shadow");
chmod("/etc/shadow", 0600);
}
/* /etc/gshadow */
if ((fp = fopen("/etc/gshadow", "w")) != NULL) {
fprintf(fp,
"root:*::\n"
#ifdef RTCONFIG_SAMBASRV //!!TB
"nas:*::\n"
#endif
#ifdef RTCONFIG_OPENVPN
"openvpn:*::\n" /* OpenVPN GID */
#endif
"nobody:*::\n"
#ifdef RTCONFIG_TOR
"tor:*::\n"
#endif
);
fappend(fp, "/etc/gshadow.custom");