2021-08-12 20:49:29 +02:00
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#!/bin/sh
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2021-09-24 23:25:21 +02:00
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echo "You have 10 seconds to abort with Ctrl+C."
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sleep 10s
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2021-08-12 20:49:29 +02:00
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if [ "$(id -u)" = "0" ]; then
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DISTRIB=$(awk -F= '/^NAME/{print $2}' /etc/os-release)
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if [ "${DISTRIB}" = '"openSUSE Leap"' ] || [ "${DISTRIB}" = '"openSUSE Tumbleweed"' ]; then
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if [ -f /etc/pki/trust/anchors/syscid-ca.crt ]; then
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echo "OK, enrolling client ..."
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zypper in --no-recommends -y sssd sssd-ldap sssd-tools
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sed -i "s/NETCONFIG_DNS_STATIC_SERVERS=.*/NETCONFIG_DNS_STATIC_SERVERS=\"192.168.0.115 10.0.0.1\"/g" /etc/sysconfig/network/config
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netconfig update -f
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mv /etc/sssd/sssd.conf /etc/sssd/sssd.conf.orig
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cat <<'EOF' >/etc/sssd/sssd.conf
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# SYSCID Directory and Authentication Service
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# System Security Services Daemon configuration
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# 12/08/2021 - georg@lysergic.dev
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#
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# WARNING - DEBUG LOGGING IS ENABLED
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#
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[sssd]
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debug_level = 5
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config_file_version = 2
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services = nss, pam, ssh, sudo
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domains = SYSCID
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[nss]
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debug_level = 5
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homedir_substring = /home
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[pam]
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debug_level = 5
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pam_pwd_expiration_warning = 1
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pam_account_expired_message = Permission denied - Your SYSCID or LibertaCasa Account EXPIRED.
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pam_account_locked_message = Permission denied - Your SYSCID or LibertaCasa Account is LOCKED.
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[ssh]
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[sudo]
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[domain/SYSCID]
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ignore_group_members = False
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debug_level = 10
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cache_credentials= False
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id_provider = ldap
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auth_provider = ldap
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access_provider = ldap
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chpass_provider = ldap
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ldap_schema = rfc2307bis
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ldap_search_base = dc=syscid,dc=com
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ldap_uri = ldaps://ldap.syscid.com
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ldap_access_filter = (memberOf=cn=syscid_shell_users,ou=syscid-groups,dc=syscid,dc=com)
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access_provider = ldap
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ldap_user_member_of = memberof
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ldap_user_gecos = cn
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ldap_user_uuid = nsUniqueId
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ldap_group_uuid = nsUniqueId
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ldap_account_expire_policy = rhds
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ldap_access_order = filter, expire, pwd_expire_policy_renew
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ldap_user_ssh_public_key = sshPublicKey
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sudo_provider = ldap
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ldap_sudo_search_base = ou=SUDOers,ou=syscid-system,dc=syscid,dc=com
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EOF
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2021-09-24 23:25:21 +02:00
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chmod 600 /etc/sssd/sssd.conf
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2021-08-12 20:49:29 +02:00
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mv /etc/nsswitch.conf /etc/nsswitch.conf.orig
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cat <<'EOF' >/etc/nsswitch.conf
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# SYSCID Directory and Authentication Service
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# Name Service Switch configuration
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# 12/08/2021 - georg@lysergic.dev
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#
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passwd: sss files
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group: sss files
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shadow: sss compat
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hosts: files dns
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networks: files dns
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aliases: files usrfiles
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ethers: files usrfiles
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gshadow: files usrfiles
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netgroup: files nis
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protocols: files usrfiles
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publickey: files
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rpc: files usrfiles
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services: files usrfiles
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automount: files nis
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bootparams: files
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netmasks: files
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sudoers: sss
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EOF
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mv /etc/ssh/sshd_config /etc/ssh/sshd_config_local
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cat <<'EOF' >/etc/ssh/sshd_config
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# SYSCID Directory and Authentication Service
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# OpenSSH Daemon configuration
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# 12/08/2021 - georg@lysergic.dev
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#
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# WARNING - DEBUG LOGGING IS ENABLED
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#
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Port 28
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Protocol 2
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SyslogFacility AUTH
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LogLevel VERBOSE
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LoginGraceTime 1m
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PermitRootLogin no
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StrictModes yes
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MaxAuthTries 5
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MaxSessions 10
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PubkeyAuthentication yes
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AuthorizedKeysFile /etc/ssh/keys/%u
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AuthorizedKeysCommand /usr/bin/sh -c '/usr/bin/sss_ssh_authorizedkeys %u'
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AuthorizedKeysCommandUser nobody
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PasswordAuthentication no
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ChallengeResponseAuthentication no
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UsePAM yes
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X11Forwarding yes
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PrintMotd yes
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PrintLastLog yes
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Banner /etc/ssh/sshd-banner
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Subsystem sftp /usr/lib/ssh/sftp-server
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AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
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AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
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AcceptEnv LC_IDENTIFICATION LC_ALL
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EOF
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pam-config -a --sss --mkhomedir
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systemctl enable --now sssd.service
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echo "OK!"
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else
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echo "CA certificate not installed. Aborted. Consider 'deploy_syscid_ca.sh'."
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fi
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else
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echo "Unsupported operating system."
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fi
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else
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echo "This script must be run with root privileges."
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fi
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