Arthur de Jong

Open Source / Free Software developer

summaryrefslogtreecommitdiffstats
path: root/debian/libnss-ldap.postinst
blob: 25f55e6ce9489a8fab7402dd594029f856574679 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
#!/bin/sh -e

PACKAGE=libnss-ldap
CONFFILE="/etc/libnss-ldap.conf"
PASSWDFILE="/etc/libnss-ldap.secret"

add_missing()
{
	# FIXME: it would be nice to get the prototype from a template.
	
	parameter=$1
	value=$2
	echo "$parameter $value" >> $CONFFILE
}

change_value()
{
	parameter=$1
	value=$2
	commented=0 ; notthere=0

	egrep -i -q "^$parameter " $CONFFILE || notthere=1
	if [ "$notthere" = "1" ]; then
		if ( egrep -i -q "^# *$parameter" $CONFFILE ); then
			notthere=0
			commented=1	
		fi
	fi

	if [ "$notthere" = "1" ]; then
		add_missing $parameter $value
	else
		replacestring="^$parameter .*"	
		if [ "$commented" = "1" ]; then
			replacestring="^# *$parameter .*"	
		fi
		# i really need a better way to do this...
		# currently we replace only the first match, we need a better
		# way of dealing with multiple hits.
		value=$value parameter=$parameter perl -i -p -e 's/^# *\Q$ENV{"parameter"}\E .*/$ENV{"parameter"} $ENV{"value"}/i
			and $match=1 unless ($match)' $CONFFILE
	fi
}

disable_param()
{
	parameter=$1
	enabled=0
	egrep -q "^$parameter " $CONFFILE && enabled=1
	if [ "$enabled" = "1" ]; then
		perl -i -p -e "s/^($parameter .*)/#\$1/i" $CONFFILE
	fi
}

# Real functions begin here.
case "$1" in
    configure)
		# ok, lets get to business..
		. /usr/share/debconf/confmodule

		# lets create the configuration from example if it's not there.
		examplefile=/usr/share/$PACKAGE/ldap.conf
		if [ ! -e $CONFFILE -a -e $examplefile ]; then
			cat > $CONFFILE << EOM
###DEBCONF###
# the configuration of this file will be done by debconf as long as the
# first line of the file says '###DEBCONF###'
#
# you should use dpkg-reconfigure libnss-ldap to configure this file.
#
EOM
			cat $examplefile >> $CONFFILE
			chmod 0644 $CONFFILE
			db_set libnss-ldap/override true
		fi

		db_get libnss-ldap/override
		if [ "$RET" = "true" ]; then
			if ( head -1 $CONFFILE | grep -q -v '^###DEBCONF###$' ); then
				mv $CONFFILE $CONFFILE.tmp
				cat > $CONFFILE << EOM
###DEBCONF###
EOM
				cat $CONFFILE.tmp >> $CONFFILE
				rm -f $CONFFILE.tmp
				chmod 0644 $CONFFILE
			fi

			db_get shared/ldapns/ldap-server
			if echo $RET | egrep -q '^ldaps?://'; then
				disable_param host
				change_value uri "$RET"
			else
				disable_param uri
				change_value host "$RET"
			fi

			db_get shared/ldapns/base-dn
			change_value base "$RET"

			db_get shared/ldapns/ldap_version
			change_value ldap_version "$RET"

			db_get libnss-ldap/dbrootlogin
			if [ "$RET" = "true" ]; then
				# user wants to log in to the database, so be it.
				db_get libnss-ldap/rootbinddn
				change_value rootbinddn "$RET"

				db_get libnss-ldap/rootbindpw
				if [ "$RET" != "" ]; then
					rm -f $PASSWDFILE
					echo $RET > $PASSWDFILE
					chmod 0600 $PASSWDFILE
					db_set libnss-ldap/rootbindpw ''
				fi
			else
				# ok, so the user refused to use this feature, better make
				# sure it's really off.
				disable_param rootbinddn
				rm -f $PASSWDFILE
			fi

			db_get libnss-ldap/dblogin
			if [ "$RET" = "true" ]; then
				# user wants to log in to the database, so be it.
				db_get libnss-ldap/binddn
				change_value binddn "$RET"

				db_get libnss-ldap/bindpw
				if [ "$RET" != "" ]; then
					change_value bindpw "$RET"
					db_set libnss-ldap/bindpw ''
				fi
			else
				# once again, user didn't.. lets make sure we dont.
				disable_param binddn
				disable_param bindpw
			fi

			db_get libnss-ldap/confperm
			if [ "$RET" = "true" ]; then
				# FIXME: we need a way to check if the file
				#        was 0700 and we removed the flag.
				chmod 0600 $CONFFILE
			else
				# ICK! ugly hack, but i didn't get anything
				# better to work.
			        find $CONFFILE -perm 0600 -exec chmod 0644 {} \;
			fi
		fi
		db_stop
       ;;

    abort-upgrade|abort-remove|abort-deconfigure)
       exit 0
       ;;

    *)
       echo "postinst called with unknown argument \`$1'" >&2
       exit 1
       ;;
esac

if [ -e /etc/ldap.secret -a ! -e /etc/libnss-ldap.secret ]; then
	cp -p /etc/ldap.secret /etc/libnss-ldap.secret
fi

if [ -s /usr/sbin/nscd ]; then
	if [ `pidof -s nscd` ]; then 
		if which invoke-rc.d >/dev/null 2>&1; then
			invoke-rc.d nscd restart
		else
			/etc/init.d/nscd restart
		fi
	fi
fi

# This directory was used earlier, and should no longer have any
# function (we use /lib/init/rw instead).
if [ -d /var/lib/libnss-ldap ]; then
	rm -rf /var/lib/libnss-ldap
fi

#DEBHELPER#