From c2da34bf964513b5363f3efa6b91384ccfbc97fe Mon Sep 17 00:00:00 2001
From: Georg
Date: Thu, 12 Aug 2021 20:49:29 +0200
Subject: (WIP) Directory Client Enrollment Script

Signed-off-by: Georg <georg@lysergic.dev>
---
 scripts/sh/deploy_directory_client.sh | 132 ++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 scripts/sh/deploy_directory_client.sh

diff --git a/scripts/sh/deploy_directory_client.sh b/scripts/sh/deploy_directory_client.sh
new file mode 100644
index 0000000..b7b0272
--- /dev/null
+++ b/scripts/sh/deploy_directory_client.sh
@@ -0,0 +1,132 @@
+#!/bin/sh
+echo "THIS SCRIPT IS NOT READY FOR USE IN PRODUCTION"
+echo "YOU HAVE 15 seconds to abort with Ctrl+C."
+sleep 15s
+if [ "$(id -u)" = "0" ]; then
+DISTRIB=$(awk -F= '/^NAME/{print $2}' /etc/os-release)
+if [ "${DISTRIB}" = '"openSUSE Leap"' ] || [ "${DISTRIB}" = '"openSUSE Tumbleweed"' ]; then
+if [ -f /etc/pki/trust/anchors/syscid-ca.crt ]; then
+	echo "OK, enrolling client ..."
+	zypper in --no-recommends -y sssd sssd-ldap sssd-tools
+	sed -i "s/NETCONFIG_DNS_STATIC_SERVERS=.*/NETCONFIG_DNS_STATIC_SERVERS=\"192.168.0.115 10.0.0.1\"/g" /etc/sysconfig/network/config
+	netconfig update -f
+	mv /etc/sssd/sssd.conf /etc/sssd/sssd.conf.orig
+	cat <<'EOF' >/etc/sssd/sssd.conf
+# SYSCID Directory and Authentication Service
+# System Security Services Daemon configuration
+# 12/08/2021 - georg@lysergic.dev
+#
+# WARNING - DEBUG LOGGING IS ENABLED
+#
+[sssd]
+debug_level = 5
+config_file_version = 2
+services = nss, pam, ssh, sudo
+domains = SYSCID
+
+[nss]
+debug_level = 5
+homedir_substring = /home
+
+[pam]
+debug_level = 5
+pam_pwd_expiration_warning = 1
+pam_account_expired_message = Permission denied - Your SYSCID or LibertaCasa Account EXPIRED.
+pam_account_locked_message = Permission denied - Your SYSCID or LibertaCasa Account is LOCKED.
+
+[ssh]
+
+[sudo]
+
+[domain/SYSCID]
+ignore_group_members = False
+debug_level = 10
+cache_credentials= False
+id_provider = ldap
+auth_provider = ldap
+access_provider = ldap
+chpass_provider = ldap
+ldap_schema = rfc2307bis
+ldap_search_base = dc=syscid,dc=com
+ldap_uri = ldaps://ldap.syscid.com
+ldap_access_filter = (memberOf=cn=syscid_shell_users,ou=syscid-groups,dc=syscid,dc=com)
+access_provider = ldap
+ldap_user_member_of = memberof
+ldap_user_gecos = cn
+ldap_user_uuid = nsUniqueId
+ldap_group_uuid = nsUniqueId
+ldap_account_expire_policy = rhds
+ldap_access_order = filter, expire, pwd_expire_policy_renew
+ldap_user_ssh_public_key = sshPublicKey
+sudo_provider = ldap
+ldap_sudo_search_base = ou=SUDOers,ou=syscid-system,dc=syscid,dc=com
+EOF
+	mv /etc/nsswitch.conf /etc/nsswitch.conf.orig
+	cat <<'EOF' >/etc/nsswitch.conf
+# SYSCID Directory and Authentication Service
+# Name Service Switch configuration
+# 12/08/2021 - georg@lysergic.dev
+#
+passwd:         sss files
+group:          sss files
+shadow:         sss compat
+hosts:          files dns
+networks:       files dns
+aliases:        files usrfiles
+ethers:         files usrfiles
+gshadow:        files usrfiles
+netgroup:       files nis
+protocols:      files usrfiles
+publickey:      files
+rpc:            files usrfiles
+services:       files usrfiles
+automount:      files nis
+bootparams:     files
+netmasks:       files
+sudoers:        sss
+EOF
+	mv /etc/ssh/sshd_config /etc/ssh/sshd_config_local
+	cat <<'EOF' >/etc/ssh/sshd_config
+# SYSCID Directory and Authentication Service
+# OpenSSH Daemon configuration
+# 12/08/2021 - georg@lysergic.dev
+#
+# WARNING - DEBUG LOGGING IS ENABLED
+#
+Port 28
+Protocol 2
+SyslogFacility AUTH
+LogLevel VERBOSE
+LoginGraceTime 1m
+PermitRootLogin no
+StrictModes yes
+MaxAuthTries 5
+MaxSessions 10
+PubkeyAuthentication yes
+AuthorizedKeysFile      	/etc/ssh/keys/%u
+AuthorizedKeysCommand           /usr/bin/sh -c '/usr/bin/sss_ssh_authorizedkeys %u'
+AuthorizedKeysCommandUser       nobody
+PasswordAuthentication no
+ChallengeResponseAuthentication no
+UsePAM yes
+X11Forwarding yes
+PrintMotd yes
+PrintLastLog yes
+Banner /etc/ssh/sshd-banner
+Subsystem       sftp    /usr/lib/ssh/sftp-server
+AcceptEnv LANG LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_MONETARY LC_MESSAGES
+AcceptEnv LC_PAPER LC_NAME LC_ADDRESS LC_TELEPHONE LC_MEASUREMENT
+AcceptEnv LC_IDENTIFICATION LC_ALL
+EOF
+	pam-config -a --sss --mkhomedir
+	systemctl enable --now sssd.service
+	echo "OK!"
+else
+	echo "CA certificate not installed. Aborted. Consider 'deploy_syscid_ca.sh'."
+fi
+else
+	echo "Unsupported operating system."
+fi
+else
+	echo "This script must be run with root privileges."
+fi
-- 
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