218 lines
6.9 KiB
Bash
Executable File
218 lines
6.9 KiB
Bash
Executable File
#!/bin/sh /etc/rc.common
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START=50
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USE_PROCD=1
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. $IPKG_INSTROOT/lib/functions/network.sh
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setup_config() {
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config_get port $1 port "4443"
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config_get max_clients $1 max_clients "8"
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config_get max_same $1 max_same "2"
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config_get dpd $1 dpd "120"
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config_get predictable_ips $1 predictable_ips "1"
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config_get compression $1 compression "0"
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config_get udp $1 udp "1"
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config_get udp_port $1 udp_port ""
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config_get auth $1 auth "plain"
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config_get cisco_compat $1 cisco_compat "1"
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config_get ipaddr $1 ipaddr ""
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config_get netmask $1 netmask ""
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config_get ip6addr $1 ip6addr ""
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config_get proxy_arp $1 proxy_arp "0"
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config_get ping_leases $1 ping_leases "0"
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config_get split_dns $1 split_dns "0"
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config_get default_domain $1 default_domain ""
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# Enable proxy arp, and make sure that ping leases is set to true in that case,
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# to prevent conflicts.
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if test "$proxy_arp" = 1;then
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local ip
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# IP address is empty. Auto-configure LAN + VPN.
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if test -z "$ipaddr";then
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local mask
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mask=$(uci get network.lan.netmask)
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if test "$mask" = "255.255.255.0";then
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uci set dhcp.lan.start=100
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uci set dhcp.lan.limit=91
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fi
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network_get_ipaddr ip lan
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ipaddr="$(echo $ip|cut -d . -f1,2,3).192"
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netmask="255.255.255.192"
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fi
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if test -z "$ip6addr";then
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network_get_ipaddr6 ip6addr lan
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# Append ipv6 prefix
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test -n "$ip6addr" && ip6addr="$ip6addr/96"
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fi
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ping_leases=1
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local ifname
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if network_get_device ifname lan; then
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test -n "$ipaddr" && sysctl -w "net.ipv4.conf.$ifname.proxy_arp"=1 >/dev/null
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test -n "$ip6addr" && sysctl -w "net.ipv6.conf.$ifname.proxy_ndp"=1 >/dev/null
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fi
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else
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test -z "$ipaddr" && ipaddr="192.168.100.0"
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test -z "$netmask" && netmask="255.255.255.0"
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fi
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enable_default_domain="#"
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enable_udp="#"
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enable_compression="#"
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enable_split_dns="#"
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test $predictable_ips = "0" && predictable_ips="false"
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test $predictable_ips = "1" && predictable_ips="true"
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test $cisco_compat = "0" && cisco_compat="false"
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test $cisco_compat = "1" && cisco_compat="true"
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test $ping_leases = "0" && ping_leases="false"
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test $ping_leases = "1" && ping_leases="true"
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test $udp = "1" && enable_udp=""
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test $split_dns = "1" && enable_split_dns=""
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test $compression = "1" && enable_compression=""
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test -z $udp_port && udp_port="$port"
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test -z $default_domain && default_domain=$(uci get dhcp.@dnsmasq[0].domain)
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test -n $default_domain && enable_default_domain=""
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test -z $ip6addr && enable_ipv6="#"
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test $auth = "plain" && authsuffix="\[passwd=/var/etc/ocpasswd\]"
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dyndns="false"
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hostname=`uci show ddns 2>/dev/null|grep domain|head -1|cut -d '=' -f 2`
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[ -n "$hostname" ] && dyndns="true"
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mkdir -p /var/etc
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sed -e "s/|PORT|/$port/g" \
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-e "s/|UDP_PORT|/$udp_port/g" \
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-e "s/|MAX_CLIENTS|/$max_clients/g" \
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-e "s/|MAX_SAME|/$max_same/g" \
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-e "s/|DPD|/$dpd/g" \
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-e "s#|AUTH|#$auth$authsuffix#g" \
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-e "s#|DYNDNS|#$dyndns#g" \
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-e "s/|PREDICTABLE_IPS|/$predictable_ips/g" \
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-e "s/|DEFAULT_DOMAIN|/$default_domain/g" \
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-e "s/|ENABLE_DEFAULT_DOMAIN|/$enable_default_domain/g" \
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-e "s/|ENABLE_SPLIT_DNS|/$enable_split_dns/g" \
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-e "s/|CISCO_COMPAT|/$cisco_compat/g" \
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-e "s/|PING_LEASES|/$ping_leases/g" \
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-e "s/|UDP|/$enable_udp/g" \
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-e "s/|COMPRESSION|/$enable_compression/g" \
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-e "s/|IPV4ADDR|/$ipaddr/g" \
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-e "s/|NETMASK|/$netmask/g" \
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-e "s#|IPV6ADDR|#$ip6addr#g" \
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-e "s/|ENABLE_IPV6|/$enable_ipv6/g" \
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/etc/ocserv/ocserv.conf.template > /var/etc/ocserv.conf
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test -f /etc/ocserv/ocserv.conf.local && cat /etc/ocserv/ocserv.conf.local >> /var/etc/ocserv.conf
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}
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setup_users() {
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local name
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local group
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local password
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config_get name $1 name
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config_get group $1 group '*'
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config_get password $1 password
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[ -z "$name" -o -z "$password" ] && return
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echo "$name:$group:$password" >> /var/etc/ocpasswd
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}
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setup_routes() {
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local routes
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config_get ip $1 ip
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config_get netmask $1 netmask
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[ -z "$ip" -o -z "$netmask" ] && return
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echo "route = $ip/$netmask" >> /var/etc/ocserv.conf
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}
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setup_dns() {
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local routes
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config_get ip $1 ip
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[ -z "$ip" ] && return
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echo "dns = $ip" >> /var/etc/ocserv.conf
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}
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start_service() {
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local hostname iface
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hostname=`uci show ddns 2>/dev/null|grep domain|head -1|cut -d '=' -f 2`
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[ -z "$hostname" ] && hostname=`uci get system.@system[0].hostname 2>/dev/null`
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[ -f /etc/config/ocserv-dir/ca-key.pem ] && mv /etc/config/ocserv-dir/ca-key.pem /etc/ocserv/ca-key.pem
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[ -f /etc/config/ocserv-dir/ca.pem ] && mv /etc/config/ocserv-dir/ca.pem /etc/ocserv/ca.pem
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[ -f /etc/config/ocserv-dir/server-key.pem ] && mv /etc/config/ocserv-dir/server-key.pem /etc/ocserv/server-key.pem
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[ -f /etc/config/ocserv-dir/server-cert.pem ] && mv /etc/config/ocserv-dir/server-cert.pem /etc/ocserv/server-cert.pem
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[ -d /etc/config/ocserv-dir ] && rmdir /etc/config/ocserv-dir
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[ ! -f /etc/ocserv/ca-key.pem ] && [ -x /usr/bin/certtool ] && {
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logger -t ocserv "Generating CA certificate..."
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mkdir -p /etc/ocserv/pki/
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certtool --bits 2048 --generate-privkey --outfile /etc/ocserv/ca-key.pem >/dev/null 2>&1
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echo "cn=$hostname CA" >/etc/ocserv/pki/ca.tmpl
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echo "expiration_days=-1" >>/etc/ocserv/pki/ca.tmpl
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echo "serial=1" >>/etc/ocserv/pki/ca.tmpl
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echo "ca" >>/etc/ocserv/pki/ca.tmpl
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echo "cert_signing_key" >>/etc/ocserv/pki/ca.tmpl
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certtool --template /etc/ocserv/pki/ca.tmpl \
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--generate-self-signed --load-privkey /etc/ocserv/ca-key.pem \
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--outfile /etc/ocserv/ca.pem >/dev/null 2>&1
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}
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#generate server certificate/key
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[ ! -f /etc/ocserv/server-key.pem ] && [ -x /usr/bin/certtool ] && {
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logger -t ocserv "Generating server certificate..."
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mkdir -p /etc/ocserv/pki/
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certtool --bits 2048 --generate-privkey --outfile /etc/ocserv/server-key.pem >/dev/null 2>&1
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echo "cn=$hostname" >/etc/ocserv/pki/server.tmpl
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echo "serial=2" >>/etc/ocserv/pki/server.tmpl
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echo "expiration_days=-1" >>/etc/ocserv/pki/server.tmpl
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echo "signing_key" >>/etc/ocserv/pki/server.tmpl
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echo "encryption_key" >>/etc/ocserv/pki/server.tmpl
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certtool --template /etc/ocserv/pki/server.tmpl \
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--generate-certificate --load-privkey /etc/ocserv/server-key.pem \
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--load-ca-certificate /etc/ocserv/ca.pem --load-ca-privkey \
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/etc/ocserv/ca-key.pem --outfile /etc/ocserv/server-cert.pem >/dev/null 2>&1
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}
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[ -f /var/run/ocserv.pid ] || {
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touch /var/run/ocserv.pid
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chown ocserv:ocserv /var/run/ocserv.pid
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}
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[ -d /var/lib/ocserv ] || {
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mkdir -m 0755 -p /var/lib/ocserv
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chmod 0700 /var/lib/ocserv
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chown ocserv:ocserv /var/lib/ocserv
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}
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config_load "ocserv"
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rm -f /var/etc/ocserv.conf
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touch /var/etc/ocserv.conf
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setup_config config
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config_foreach setup_routes routes
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config_foreach setup_dns dns
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rm -f /var/etc/ocpasswd
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touch /var/etc/ocpasswd
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chmod 600 /var/etc/ocpasswd
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config_foreach setup_users ocservusers
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procd_open_instance
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procd_set_param command /usr/sbin/ocserv -f -c /var/etc/ocserv.conf
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procd_set_param respawn
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procd_close_instance
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}
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