IT-блог Жаконды

apt-get update && apt-get upgrade -y

apt-get install build-essential make pkg-config libgnutls28-dev libev-dev libpam0g-dev liblz4-dev libseccomp-dev libreadline-dev libnl-route-3-dev libkrb5-dev libradcli-dev libpcl1-dev libcjose-dev libjansson-dev liboath-dev libprotobuf-c-dev libtalloc-dev libhttp-parser-dev libcurlpp-dev libssl-dev libmaxminddb-dev libbsd-dev libsystemd-dev libwrap0-dev libuid-wrapper libpam-wrapper libnss-wrapper libsocket-wrapper gss-ntlmssp tcpdump protobuf-c-compiler iperf3 lcov ssl-cert libpam-oath -y

wget -P /opt/ https://www.infradead.org/ocserv/download/ocserv-1.2.2.tar.xz
tar -xvf /opt/ocserv-1.2.2.tar.xz -C /opt/ 

cd /opt/ocserv-1.2.2

./configure --prefix= --enable-oidc-auth

make && make install

mkdir -p /etc/ocserv/

cp doc/sample.config /etc/ocserv/ocserv.conf
cp doc/sample.passwd /etc/ocserv/
cp doc/sample.otp /etc/ocserv/
cp doc/profile.xml /etc/ocserv/

useradd -r -M -U -s /usr/sbin/nologin ocserv

sed -i 's/auth = "plain\[passwd=\.\/sample\.passwd\]"/#&/' /etc/ocserv/ocserv.conf
sed -i 's/^#auth = "pam\[gid-min=1000\]"/auth = "pam[gid-min=1000]"/' /etc/ocserv/ocserv.conf

sed -i 's/run-as-user = nobody/run-as-user = ocserv/g' /etc/ocserv/ocserv.conf
sed -i 's/run-as-group = daemon/run-as-group = ocserv/g' /etc/ocserv/ocserv.conf

sed -i 's#server-cert = \.\./tests/certs/server-cert\.pem#server-cert = /etc/ssl/certs/ssl-cert-snakeoil.pem#' /etc/ocserv/ocserv.conf
sed -i 's#server-key = \.\./tests/certs/server-key\.pem#server-key = /etc/ssl/private/ssl-cert-snakeoil.key#' /etc/ocserv/ocserv.conf
sed -i 's#ca-cert = \.\./tests/certs/ca\.pem#ca-cert = /etc/ssl/certs/ssl-cert-snakeoil.pem#' /etc/ocserv/ocserv.conf

sed -i '747,$s/^/# /' /etc/ocserv/ocserv.conf

cat << EOF > /etc/pam.d/ocserv
#
# /etc/pam.d/ocserv - specify the PAM behaviour of ocserv
#

# Standard Un*x authentication.
@include common-auth

# Disallow non-root logins when /etc/nologin exists.
account       required     pam_nologin.so

# Uncomment and edit /etc/security/access.conf if you need to set complex
# access limits.
# account  required     pam_access.so

# Standard Un*x authorization.
@include common-account

# SELinux needs to be the first session rule. This ensures that any
# lingering context has been cleared. Without out this it is possible
# that a module could execute code in the wrong domain.
session    [success=ok ignore=ignore module_unknown=ignore default=bad]        pam_selinux.so close

# Standard Un*x session setup and teardown.
@include common-session

# Set up user limits from /etc/security/limits.conf.
session    required     pam_limits.so

# SELinux needs to intervene at login time to ensure that the process starts
# in the proper default security context.  Only sessions which are intended
# to run in the user's context should be run after this.
session    [success=ok ignore=ignore module_unknown=ignore default=bad]        pam_selinux.so open

@include common-password
EOF

cp doc/systemd/standalone/ocserv.service /lib/systemd/system/

systemctl daemon-reload
systemctl enable ocserv.service

cat << EOF > /etc/init.d/ocserv
#! /bin/sh
### BEGIN INIT INFO
# Provides:             ocserv
# Required-Start:       $remote_fs $syslog dbus
# Required-Stop:        $remote_fs $syslog dbus
# Default-Start:        2 3 4 5
# Default-Stop:         0 1 6
# Short-Description:    OpenConnect SSL VPN server
# Description:          secure, small, fast and configurable OpenConnect SSL VPN server
### END INIT INFO
set -e

NAME=ocserv
DESC="OpenConnect SSL VPN server"

DAEMON=/usr/sbin/ocserv
DAEMON_CONFIG=/etc/${NAME}/${NAME}.conf
DAEMON_PIDFILE=/run/${NAME}.pid
DAEMON_ARGS="--pid-file $DAEMON_PIDFILE --config $DAEMON_CONFIG"

test -x $DAEMON || exit 0

umask 022

. /lib/lsb/init-functions

export PATH="${PATH:+$PATH:}/usr/sbin:/sbin"

daemon_start()
{
    if [ ! -s "$DAEMON_CONFIG" ]; then
        log_failure_msg "please create ${DAEMON_CONFIG}, not starting..."
        log_end_msg 1
        exit 0
    fi
    log_daemon_msg "Starting $DESC" "$NAME" || true
    if start-stop-daemon --start --quiet --oknodo --pidfile $DAEMON_PIDFILE --exec $DAEMON -- $DAEMON_ARGS ; then
        log_end_msg 0 || true
    else
        log_end_msg 1 || true
    fi
}

case "$1" in
  start)
    daemon_start
    ;;
  stop)
    log_daemon_msg "Stopping $DESC" "$NAME" || true
    if start-stop-daemon --stop --quiet --oknodo --pidfile $DAEMON_PIDFILE; then
            log_end_msg 0 || true
        else
            log_end_msg 1 || true
        fi
        ;;

  reload|force-reload)
        log_daemon_msg "Reloading $DESC" "$NAME" || true
        if start-stop-daemon --stop --signal 1 --quiet --oknodo --pidfile $DAEMON_PIDFILE --exec $DAEMON; then
            log_end_msg 0 || true
        else
            log_end_msg 1 || true
        fi
        ;;

  restart)
        log_daemon_msg "Restarting $DESC" "$NAME" || true
        start-stop-daemon --stop --quiet --oknodo --retry 30 --pidfile $DAEMON_PIDFILE
        daemon_start
        ;;

  try-restart)
        log_daemon_msg "Restarting $DESC" "$NAME" || true
        RET=0
        start-stop-daemon --stop --quiet --retry 30 --pidfile $DAEMON_PIDFILE || RET="$?"
        case $RET in
            0)
                # old daemon stopped
                daemon_start
                ;;
            1)
                # daemon not running
                log_progress_msg "(not running)" || true
                log_end_msg 0 || true
                ;;
            *)
                # failed to stop
                log_progress_msg "(failed to stop)" || true
                log_end_msg 1 || true
                ;;
        esac
        ;;

  status)
        status_of_proc -p $DAEMON_PIDFILE $DAEMON $NAME && exit 0 || exit $?
        ;;

  *)
        log_action_msg "Usage: /etc/init.d/$NAME {start|stop|reload|force-reload|restart|try-restart|status}" || true
        exit 1
esac

exit 0
EOF

chmod +x /etc/init.d/ocserv

/etc/init.d/ocserv start
/etc/init.d/ocserv status

Starting ocserv (via systemctl): ocserv.service.
● ocserv.service - OpenConnect SSL VPN server
     Loaded: loaded (/lib/systemd/system/ocserv.service; enabled; vendor preset: enabled)
     Active: active (running) since Fri 2023-10-13 09:49:04 MSK; 28ms ago
       Docs: man:ocserv(8)
   Main PID: 24725 (ocserv-main)
      Tasks: 2 (limit: 2280)
     Memory: 2.4M
        CPU: 10ms
     CGroup: /system.slice/ocserv.service
             ├─24725 ocserv-main
             └─24729 ocserv-sm

окт 13 09:49:04 deb10 ocserv[24725]: ocserv[24725]: main: initializing control unix socket: /var/run/occtl.socket
окт 13 09:49:04 deb10 ocserv[24725]: main: initializing control unix socket: /var/run/occtl.socket
окт 13 09:49:04 deb10 ocserv[24725]: ocserv[24725]: main: initialized ocserv 1.2.2
окт 13 09:49:04 deb10 ocserv[24725]: main: initialized ocserv 1.2.2
окт 13 09:49:04 deb10 ocserv[24729]: ocserv[24729]: sec-mod: reading supplemental config from files
окт 13 09:49:04 deb10 ocserv[24729]: sec-mod: reading supplemental config from files
окт 13 09:49:04 deb10 ocserv[24729]: ocserv[24729]: sec-mod: loaded 1 keys
окт 13 09:49:04 deb10 ocserv[24729]: sec-mod: loaded 1 keys
окт 13 09:49:04 deb10 ocserv[24729]: ocserv[24729]: sec-mod: sec-mod initialized (socket: /var/run/ocserv-socket.75fb90ca.0)
окт 13 09:49:04 deb10 ocserv[24729]: sec-mod: sec-mod initialized (socket: /var/run/ocserv-socket.75fb90ca.0)

ocserv -v

ocserv 1.2.2

Compiled with: seccomp, tcp-wrappers, oath, radius, gssapi, PAM, PKCS#11, AnyConnect, oidc_auth
GnuTLS version: 3.7.1

journalctl -f -u ocserv