File: libpam0g.postinst

package info (click to toggle)
pam 1.1.8-3.6
  • links: PTS, VCS
  • area: main
  • in suites: stretch
  • size: 11,800 kB
  • ctags: 2,930
  • sloc: ansic: 31,350; xml: 21,611; sh: 11,344; makefile: 1,563; perl: 893; yacc: 408; lex: 70; sed: 16
file content (200 lines) | stat: -rw-r--r-- 5,205 bytes parent folder | download | duplicates (4)
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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
#!/bin/sh

# postinst based heavily on the postinst of libssl0.9.8, courtesy of 
# Christoph Martin.

. /usr/share/debconf/confmodule

set -e

# element() is a helper function for file-rc:
element() {
    local element list IFS

    element="$1"

    [ "$2" = "in" ] && shift
    list="$2"
    [ "$list" = "-" ] && return 1
    [ "$list" = "*" ] && return 0

    IFS=","
    set -- $list
    case $element in
	"$1"|"$2"|"$3"|"$4"|"$5"|"$6"|"$7"|"$8"|"$9")
	    return 0
    esac
    return 1
}

# filerc (runlevel, service) returns /etc/init.d/service, if service is
# running in $runlevel:
filerc() {
    local runlevel basename
    runlevel=$1
    basename=$2
    while read LINE
    do
	case $LINE in
	    \#*|"") continue
	esac

	set -- $LINE
	SORT_NO="$1"; STOP="$2"; START="$3"; CMD="$4"
	[ "$CMD" = "/etc/init.d/$basename" ] || continue

	if element "$runlevel" in "$START" || element "S" in "$START"
	then
	    echo "/etc/init.d/$basename"
	    return 0
	fi
    done < /etc/runlevel.conf
    echo ""
}

installed_services() {
    check="$@"

    # Only get the ones that are installed, and configured
    check=$(dpkg -s $check 2> /dev/null | egrep '^Package:|^Status:' | awk '{if ($1 ~ /^Package:/) { package=$2 } else if ($0 ~ /^Status: .* installed$/) { print package }}')

    # some init scripts don't match the package names
    check=$(echo $check | \
	sed -e's/\bapache2-common\b/apache2/g' \
	    -e's/\bat\b/atd/g' \
	    -e's/\bdovecot-common\b/dovecot/g' \
	    -e's/\bdante-server\b/danted/g' \
	    -e's/\bexim4-base\b/exim4/g' \
	    -e's/\bheartbeat-2\b/heartbeat/g' \
	    -e's/\bhylafax-server\b/hylafax/g' \
	    -e's/\bpartimage-server\b/partimaged/g' \
	    -e's/\bpostgresql-common\b/postgresql/g' \
	    -e's/\bsasl2-bin\b/saslauthd/g' \
    )

    for service in $check; do
	idl="/etc/init.d/${service}"
	if [ -n "$idl" ] && [ -x $idl ]; then
		services="$service $services"
	else
		echo "WARNING: init script for $service not found." >&2
	fi
    done
    echo "$services"
}

if [ "$1" = "configure" ]
then
    if [ ! -z "$2" ]; then
	if dpkg --compare-versions "$2" lt 1.1.3-2; then
	    db_version 2.0

	    echo -n "Checking for services that may need to be restarted..."

	    check="apache2-common at bayonne cherokee courier-authdaemon"
	    check="$check cron cups"
	    check="$check dante-server diald dovecot-common exim exim4-base"
	    check="$check fcron fireflier-server freeradius gdm heartbeat"
	    check="$check heartbeat-2 hylafax-server iiimf-server inn2"
	    check="$check kannel linesrv linesrv-mysql lsh-server"
	    check="$check muddleftpd netatalk nuauth partimage-server"
	    check="$check perdition pgpool popa3d"
	    check="$check postgresql-common proftpd pure-ftpd"
	    check="$check pure-ftpd-ldap pure-ftpd-mysql"
	    check="$check pure-ftpd-postgresql racoon samba sasl2-bin"
	    check="$check sfs-server solid-pop3d squid squid3 tac-plus"
	    check="$check vsftpd wu-ftpd wzdftpd xrdp yardradius yaws"

	    if ! who | awk '{print $2}'|grep -q ':[0-9]'; then
		check="$check wdm xdm"
	    fi

	    echo "Checking init scripts..."
	    services=$(installed_services "$check")
	    if [ -n "$services" ]; then
		db_input critical libraries/restart-without-asking || true
		db_go || true
		db_get libraries/restart-without-asking
		if [ "$RET" != true ]; then
		    db_reset libpam0g/restart-services
		    db_set libpam0g/restart-services "$services"
		    db_input critical libpam0g/restart-services || true
		    db_go || true
		    db_get libpam0g/restart-services

		    if [ "x$RET" != "x" ]
		    then
			services=$RET
		    else
			services=""
		    fi
		fi
		echo
		if [ "$services" != "" ]; then
		    echo "Restarting services possibly affected by the upgrade:"
		    failed=""
		    rl=$(runlevel | sed 's/.*\ //')
		    for service in $services; do
			idl="invoke-rc.d ${service}"

			case "$service" in
			    gdm)
				echo -n "  $service: reloading..."
				if $idl reload > /dev/null 2>&1; then
				    echo "done."
				else
				    echo "FAILED! ($?)"
				    failed="$service $failed"
				fi
				continue
			    ;;
			esac
			echo -n "  $service: stopping..."
			$idl stop > /dev/null 2>&1 || true
			sleep 1
			echo -n "starting..."
			if $idl start > /dev/null 2>&1; then
			    echo "done."
			else
			    echo "FAILED! ($?)"
			    failed="$service $failed"
			fi
		    done
		    echo
		    if [ -n "$failed" ]; then
			db_subst libpam0g/restart-failed services "$failed"
			db_input critical libpam0g/restart-failed || true
			db_go || true
		    else
			echo "Services restarted successfully."
		    fi
		    echo
		fi
	    else
		echo "Nothing to restart."
	    fi

	    if who | awk '{print $2}' | grep -q ':[0-9]'; then
		dms=""
		for service in wdm xdm; do
		    case "$services" in
			*$service*)	;;
			*)	dms="$dms $service"
		    esac
		done
		services=$(installed_services "$dms")
		if [ -n "$services" ]; then
		    db_input critical libpam0g/xdm-needs-restart || true
		    db_go || true
		fi
	    fi

	    # Shut down the frontend, to make sure none of the
	    # restarted services keep a connection open to it
	    db_stop
	fi # end upgrading and $2 lt 1.1.3-2
    fi # Upgrading
fi

#DEBHELPER#