debian/postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 case "$1" in
   6     configure)
   7         # continue below
   8     ;;
   9
  10     abort-upgrade|abort-remove|abort-deconfigure)
  11         exit 0
  12     ;;
  13
  14     *)
  15         echo "postinst called with unknown argument \`$1'" >&2
  16         exit 0
  17     ;;
  18 esac
  19
  20 # users and group names
  21 OSSEC_USER="ossec"
  22 OSSEC_USER_MAIL="ossecm"
  23 OSSEC_USER_EXEC="ossece"
  24 OSSEC_USER_REM="ossecr"
  25 OSSEC_GROUP="ossec"
  26
  27 # get installation directory
  28 . /etc/ossec-init.conf
  29 if [ "X${DIRECTORY}" = "X" ]; then
  30     DIRECTORY="/var/ossec"
  31 fi
  32
  33 # create users
  34 if ! getent passwd $OSSEC_USER >/dev/null; then
  35     adduser --quiet --system --no-create-home --home $DIRECTORY --shell /bin/false $OSSEC_USER
  36 fi
  37 if ! getent passwd $OSSEC_USER_MAIL >/dev/null; then
  38     adduser --quiet --system --no-create-home --home $DIRECTORY --shell /bin/false $OSSEC_USER_MAIL
  39 fi
  40 if ! getent passwd $OSSEC_USER_EXEC >/dev/null; then
  41     adduser --quiet --system --no-create-home --home $DIRECTORY --shell /bin/false $OSSEC_USER_EXEC
  42 fi
  43 if ! getent passwd $OSSEC_USER_REM >/dev/null; then
  44     adduser --quiet --system --no-create-home --home $DIRECTORY --shell /bin/false $OSSEC_USER_REM
  45 fi
  46
  47 # create group
  48 if ! getent group $OSSEC_GROUP >/dev/null; then
  49     addgroup --system $OSSEC_GROUP
  50 fi
  51
  52 # fix ownership
  53 chown -R root:$OSSEC_GROUP $DIRECTORY
  54 chown -R $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/queue/alerts
  55 chown -R $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/queue/ossec
  56 chown -R $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/queue/fts
  57 chown -R $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/queue/syscheck
  58 chown -R $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/queue/rootcheck
  59 chown -R $OSSEC_USER_REM:$OSSEC_GROUP $DIRECTORY/queue/agent-info
  60 chown -R $OSSEC_USER_REM:$OSSEC_GROUP $DIRECTORY/queue/rids
  61 chown -R $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/stats
  62 chown -R $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/logs
  63 chown -R root:$OSSEC_GROUP $DIRECTORY/etc
  64 touch $DIRECTORY/logs/ossec.log
  65 chown $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/logs/ossec.log
  66 chown $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/.ssh
  67 chown -R root:$OSSEC_GROUP $DIRECTORY/rules
  68 chown root:$OSSEC_GROUP $DIRECTORY/etc/decoder.xml
  69 chown root:$OSSEC_GROUP $DIRECTORY/etc/internal_options.conf
  70 chown root:$OSSEC_GROUP $DIRECTORY/etc/client.keys >/dev/null 2>&1 || true
  71 chown root:$OSSEC_GROUP $DIRECTORY/agentless/*
  72 chown $OSSEC_USER:$OSSEC_GROUP $DIRECTORY/.ssh
  73 chown -R root:$OSSEC_GROUP $DIRECTORY/etc/shared
  74 chown root:$OSSEC_GROUP $DIRECTORY/var/run
  75 chown root:$OSSEC_GROUP $DIRECTORY/active-response/bin/*
  76 chown root:$OSSEC_GROUP $DIRECTORY/bin/*
  77 chown root:$OSSEC_GROUP $DIRECTORY/etc/ossec.conf
  78
  79 # fix perms
  80 chmod -R 550 $DIRECTORY
  81 chmod -R 770 $DIRECTORY/queue/alerts
  82 chmod -R 770 $DIRECTORY/queue/ossec
  83 chmod -R 750 $DIRECTORY/queue/fts
  84 chmod -R 750 $DIRECTORY/queue/syscheck
  85 chmod -R 750 $DIRECTORY/queue/rootcheck
  86 chmod -R 750 $DIRECTORY/queue/diff
  87 chmod -R 755 $DIRECTORY/queue/agent-info
  88 chmod -R 755 $DIRECTORY/queue/rids
  89 chmod -R 755 $DIRECTORY/queue/agentless
  90 chmod -R 750 $DIRECTORY/stats
  91 chmod -R 750 $DIRECTORY/logs
  92 chmod -R 550 $DIRECTORY/rules
  93 chmod 770 $DIRECTORY/var/run
  94 chmod 550 $DIRECTORY/etc
  95 chmod 440 $DIRECTORY/etc/internal_options.conf
  96 chmod -R 770 $DIRECTORY/etc/shared
  97 chmod 700 $DIRECTORY/.ssh
  98 chmod 755 $DIRECTORY/active-response/bin/*
  99 chmod 550 $DIRECTORY/bin/*
 100 chmod 440 $DIRECTORY/etc/ossec.conf
 101
 102 # fixups: no need for execute bits on files there
 103 find $DIRECTORY/rules -type f -exec chmod ugo-x '{}' ';'
 104 find $DIRECTORY/etc -type f -exec chmod ugo-x '{}' ';'
 105
 106 # copy timezone and localtime
 107 if [ -e /etc/timezone ]; then
 108     cmp -s /etc/timezone $DIRECTORY/etc/timezone || \
 109         cp -a /etc/timezone $DIRECTORY/etc/timezone
 110 fi
 111 if [ -e /etc/localtime ]; then
 112     cmp -s /etc/localtime $DIRECTORY/etc/localtime || \
 113         cp -a /etc/localtime $DIRECTORY/etc/localtime
 114 fi
 115
 116 # update system v init links
 117 update-rc.d ossec-hids defaults >/dev/null
 118
 119 # and start the service
 120 if [ -x /usr/sbin/invoke-rc.d ]; then
 121     invoke-rc.d ossec-hids restart
 122 else
 123     /etc/init.d/ossec-hids restart
 124 fi
 125
 126 # dh_installdeb will replace this with shell code automatically
 127 # generated by other debhelper scripts.
 128
 129 #DEBHELPER#
 130
 131 exit 0