| 2447 |
richard |
1 |
#!/bin/bash
|
|
|
2 |
|
| 2490 |
tom.houday |
3 |
# $Id: alcasar-ldap.sh 2715 2019-03-10 23:53:44Z tom.houdayer $
|
|
|
4 |
|
| 2447 |
richard |
5 |
# alcasar-ldap.sh
|
|
|
6 |
# by Rexy
|
|
|
7 |
# This script is distributed under the Gnu General Public License (GPL)
|
|
|
8 |
|
|
|
9 |
# activation / désactivation de l'authentification des utilisateurs via un serveur LDAP externe
|
|
|
10 |
# enable / disable authentication of users via an extern LDAP server
|
|
|
11 |
|
| 2705 |
tom.houday |
12 |
usage="Usage: alcasar-ldap.sh {--on or -on } | {--off or -off} | --import-cert {certificatePath} | --test [-d]"
|
| 2447 |
richard |
13 |
SED="/bin/sed -i"
|
|
|
14 |
CONF_FILE="/usr/local/etc/alcasar.conf"
|
| 2465 |
richard |
15 |
LDAP_MODULE="/etc/raddb/mods-available/ldap-alcasar"
|
| 2705 |
tom.houday |
16 |
OPENLDAP_CONF='/etc/openldap/ldap.conf'
|
|
|
17 |
LDAPS_CERT_LOC='/etc/raddb/certs/alcasar-ldaps.crt'
|
|
|
18 |
LDAP_SERVER=$(grep '^LDAP_SERVER=' $CONF_FILE | cut -d"=" -f2) # hostname/IP address of the LDAP server
|
|
|
19 |
LDAP_USER=$(grep '^LDAP_USER=' $CONF_FILE | cut -d"=" -f2-) # LDAP username used by ALCASAR to read the remote directory
|
|
|
20 |
LDAP_PASSWORD=$(grep '^LDAP_PASSWORD=' $CONF_FILE | cut -d"=" -f2-) # its password
|
|
|
21 |
LDAP_BASE=$(grep '^LDAP_BASE=' $CONF_FILE | cut -d"=" -f2-) # Where to find the users (cn=**,dc=**,dc=**)
|
|
|
22 |
LDAP_UID=$(grep '^LDAP_UID=' $CONF_FILE | cut -d"=" -f2) # 'samaccountname' for A.D. - 'UID' for LDAP
|
| 2714 |
tom.houday |
23 |
LDAP_FILTER=$(grep '^LDAP_FILTER=' $CONF_FILE | cut -d"=" -f2-) # LDAP filter
|
| 2705 |
tom.houday |
24 |
LDAP_SSL=$(grep '^LDAP_SSL=' $CONF_FILE | cut -d"=" -f2-) # LDAP SSL status
|
|
|
25 |
LDAP_CERT_REQUIRED=$(grep '^LDAP_CERT_REQUIRED=' $CONF_FILE | cut -d"=" -f2-) # LDAP SSL certificate verifying
|
|
|
26 |
|
| 2715 |
tom.houday |
27 |
add_ldap_server_to_static_dhcp() {
|
|
|
28 |
if [[ "$LDAP_SERVER" =~ ^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$ ]]; then
|
|
|
29 |
ldap_server_ip="$LDAP_SERVER"
|
|
|
30 |
else
|
|
|
31 |
ldap_server_ip=$(dig +short $LDAP_SERVER)
|
|
|
32 |
[ -z "$ldap_server_ip" ] && return 1
|
|
|
33 |
fi
|
|
|
34 |
|
|
|
35 |
if [ -z "$(cat /usr/local/etc/alcasar-ethers | awk -v ldap_server_ip="$ldap_server_ip" '($2==ldap_server_ip)')" ]; then
|
|
|
36 |
ldap_server_mac=$(chilli_query list | awk -v ldap_server_ip="$ldap_server_ip" '($2==ldap_server_ip) {print $1}')
|
|
|
37 |
[ -z "$ldap_server_mac" ] && return 1
|
|
|
38 |
|
|
|
39 |
echo "$ldap_server_mac $ldap_server_ip" >> /usr/local/etc/alcasar-ethers
|
|
|
40 |
echo "$ldap_server_mac $ldap_server_ip #LDAP Server" >> /usr/local/etc/alcasar-ethers-info
|
|
|
41 |
fi
|
|
|
42 |
}
|
|
|
43 |
|
| 2447 |
richard |
44 |
nb_args=$#
|
|
|
45 |
args=$1
|
| 2705 |
tom.houday |
46 |
if [ $nb_args -eq 0 ]; then
|
| 2447 |
richard |
47 |
nb_args=1
|
|
|
48 |
args="-h"
|
|
|
49 |
fi
|
| 2705 |
tom.houday |
50 |
|
| 2447 |
richard |
51 |
case $args in
|
|
|
52 |
-\? | -h* | --h*)
|
|
|
53 |
echo "$usage"
|
|
|
54 |
exit 0
|
|
|
55 |
;;
|
| 2705 |
tom.houday |
56 |
--on | -on)
|
| 2465 |
richard |
57 |
$SED "s/^LDAP=.*/LDAP=on/g" $CONF_FILE
|
| 2705 |
tom.houday |
58 |
if [ "$LDAP_SSL" == 'on' ]; then
|
|
|
59 |
$SED "s/^\tserver =.*/\tserver = \"ldaps:\/\/${LDAP_SERVER//\"/\\\\\\\"}\"/g" $LDAP_MODULE
|
|
|
60 |
$SED "s/^\tport =.*/\tport = 636/g" $LDAP_MODULE
|
|
|
61 |
[ "$LDAP_CERT_REQUIRED" == 'on' ] && require_cert='demand' || require_cert='never'
|
|
|
62 |
$SED "s/^\t\t#?require_cert =.*/\t\trequire_cert = '$require_cert'/g" $LDAP_MODULE
|
|
|
63 |
echo -e "TLS_CACERT $LDAPS_CERT_LOC\nTLS_REQCERT $require_cert" > $OPENLDAP_CONF
|
|
|
64 |
else
|
|
|
65 |
$SED "s/^\tserver =.*/\tserver = \"ldap:\/\/${LDAP_SERVER//\"/\\\\\\\"}\"/g" $LDAP_MODULE
|
|
|
66 |
$SED "s/^\tport =.*/\tport = 389/g" $LDAP_MODULE
|
|
|
67 |
echo '' > $OPENLDAP_CONF
|
|
|
68 |
fi
|
| 2490 |
tom.houday |
69 |
$SED "s/^\tidentity =.*/\tidentity = \"${LDAP_USER//\"/\\\\\\\"}\"/g" $LDAP_MODULE
|
|
|
70 |
$SED "s/^\tpassword =.*/\tpassword = \"${LDAP_PASSWORD//\"/\\\\\\\"}\"/g" $LDAP_MODULE
|
|
|
71 |
$SED "s/^\tbase_dn =.*/\tbase_dn = \"${LDAP_BASE//\"/\\\\\\\"}\"/g" $LDAP_MODULE
|
| 2714 |
tom.houday |
72 |
[ -n "$LDAP_FILTER" ] && filter="$LDAP_FILTER" || filter='&'
|
|
|
73 |
$SED "s/^\t\tfilter =.*/\t\tfilter = \"(\&(${LDAP_UID//\"/\\\\\\\"}=%{%{Stripped-User-Name}:-%{User-Name}})($filter))\"/g" $LDAP_MODULE
|
| 2705 |
tom.houday |
74 |
if [ ! -e /etc/raddb/mods-enabled/ldap ]; then
|
| 2466 |
richard |
75 |
ln -s $LDAP_MODULE /etc/raddb/mods-enabled/ldap
|
|
|
76 |
fi
|
| 2705 |
tom.houday |
77 |
[ -e /etc/raddb/sites-enabled/alcasar ] && rm /etc/raddb/sites-enabled/alcasar
|
| 2467 |
richard |
78 |
ln -s /etc/raddb/sites-available/alcasar-with-ldap /etc/raddb/sites-enabled/alcasar
|
| 2715 |
tom.houday |
79 |
add_ldap_server_to_static_dhcp
|
| 2465 |
richard |
80 |
/usr/bin/systemctl restart radiusd.service
|
| 2447 |
richard |
81 |
;;
|
|
|
82 |
--off | -off)
|
| 2465 |
richard |
83 |
$SED "s/^LDAP=.*/LDAP=off/g" $CONF_FILE
|
|
|
84 |
rm -f /etc/raddb/mods-enabled/ldap
|
| 2705 |
tom.houday |
85 |
[ -e /etc/raddb/sites-enabled/alcasar ] && rm /etc/raddb/sites-enabled/alcasar
|
| 2467 |
richard |
86 |
ln -s /etc/raddb/sites-available/alcasar /etc/raddb/sites-enabled/alcasar
|
| 2465 |
richard |
87 |
/usr/bin/systemctl restart radiusd.service
|
| 2474 |
tom.houday |
88 |
;;
|
| 2705 |
tom.houday |
89 |
--import-cert)
|
|
|
90 |
cert=$2
|
|
|
91 |
[ -z "$cert" ] && echo "$usage" && exit 1
|
|
|
92 |
|
|
|
93 |
if [ "$LDAP_CERT_REQUIRED" == 'on' ]; then
|
|
|
94 |
domainName=$(openssl x509 -noout -subject -in $LDAPS_CERT_LOC | cut -d' ' -f2- | sed 's@/[A-Za-z]\+=@\n@g' | tac | tr '\n' '.' | sed 's@\.\+$@@')
|
|
|
95 |
if [ "$domainName" != "$LDAP_SERVER" ]; then
|
|
|
96 |
echo 'WARN: the common name of the certificate is different from the server domain name'
|
|
|
97 |
fi
|
|
|
98 |
fi
|
|
|
99 |
# TODO : convert DER format to PEM ?
|
|
|
100 |
cp -f "$cert" $LDAPS_CERT_LOC
|
|
|
101 |
chown root:radius $LDAPS_CERT_LOC
|
|
|
102 |
chmod 644 $LDAPS_CERT_LOC
|
|
|
103 |
|
|
|
104 |
$SED "s/^LDAP_SSL=.*/LDAP_SSL=on/g" $CONF_FILE
|
|
|
105 |
$SED "s/^\tserver =.*/\tserver = \"ldaps:\/\/${LDAP_SERVER//\"/\\\\\\\"}\"/g" $LDAP_MODULE
|
|
|
106 |
$SED "s/^\tport =.*/\tport = 636/g" $LDAP_MODULE
|
|
|
107 |
$SED "s@^#\?\t\tca_file =.*@\t\tca_file = $LDAPS_CERT_LOC@g" $LDAP_MODULE
|
|
|
108 |
[ "$LDAP_CERT_REQUIRED" == 'on' ] && require_cert='demand' || require_cert='never'
|
|
|
109 |
$SED "s/^#\?\t\trequire_cert =.*/\t\trequire_cert = '$require_cert'/g" $LDAP_MODULE
|
|
|
110 |
echo -e "TLS_CACERT $LDAPS_CERT_LOC\nTLS_REQCERT $require_cert" > $OPENLDAP_CONF
|
|
|
111 |
/usr/bin/systemctl restart radiusd.service
|
|
|
112 |
;;
|
|
|
113 |
--delete-cert)
|
|
|
114 |
[ -f "$LDAPS_CERT_LOC" ] && rm -f $LDAPS_CERT_LOC
|
|
|
115 |
;;
|
|
|
116 |
--test)
|
|
|
117 |
[ -n "$2" ] && [ "$2" == '-d' ] && debugOpt='-d229'
|
|
|
118 |
command -v ldapsearch &>/dev/null || { echo >&2 -e "ERR: ldapsearch is not installed\nrun 'dnf install openldap-clients'" ; exit 1; }
|
|
|
119 |
if [ "$LDAP_SSL" == 'on' ]; then
|
|
|
120 |
protocol='ldaps'
|
|
|
121 |
[ "$LDAP_CERT_REQUIRED" == 'on' ] && require_cert='demand' || require_cert='never'
|
|
|
122 |
export LDAPTLS_REQCERT="$require_cert"
|
|
|
123 |
[ -f "$LDAPS_CERT_LOC" ] && export LDAPTLS_CACERT="$LDAPS_CERT_LOC"
|
|
|
124 |
else
|
|
|
125 |
protocol='ldap'
|
|
|
126 |
fi
|
| 2714 |
tom.houday |
127 |
[ -n "$LDAP_FILTER" ] && filter="$LDAP_FILTER" || filter='&'
|
|
|
128 |
/usr/bin/ldapsearch $debugOpt -LLL -H "$protocol://$LDAP_SERVER" -x -D "$LDAP_USER" -w "$LDAP_PASSWORD" -b "$LDAP_BASE" "(&($LDAP_UID=*)($filter))" 1.1
|
| 2705 |
tom.houday |
129 |
;;
|
| 2447 |
richard |
130 |
*)
|
| 2474 |
tom.houday |
131 |
echo "Argument inconnu : $1";
|
| 2447 |
richard |
132 |
echo "$usage"
|
|
|
133 |
exit 1
|
|
|
134 |
;;
|
|
|
135 |
esac
|