packaging/Debian/debian-unstable/samba.postinst

   1 #!/bin/sh -e
   2 #
   3 # Post-installation script for the Samba package for Debian GNU/Linux
   4 #
   5 #
   6
   7 case "$1" in
   8         configure)
   9                 # continue below
  10         ;;
  11
  12         abort-upgrade|abort-remove|abort-deconfigure)
  13                 exit 0
  14         ;;
  15
  16         *)
  17                 echo "postinst called with unknown argument \`$1'" >&2
  18                 exit 0
  19         ;;
  20 esac
  21
  22 # Handle debconf
  23 . /usr/share/debconf/confmodule
  24
  25 INITCONFFILE=/etc/default/samba
  26
  27 # We generate several files during the postinst, and we don't want
  28 #       them to be readable only by root.
  29 umask 022
  30
  31
  32 # Generate configuration file if it does not exist, using default values.
  33 [ -r "${INITCONFFILE}" ] || {
  34         echo Generating ${INITCONFFILE}... >&2
  35         cat >${INITCONFFILE} <<'EOFMAGICNUMBER1234'
  36 # Defaults for samba initscript
  37 # sourced by /etc/init.d/samba
  38 # installed at /etc/default/samba by the maintainer scripts
  39 #
  40
  41 #
  42 # This is a POSIX shell fragment
  43 #
  44
  45 # How should Samba (smbd) run? Possible values are "daemons"
  46 #       or "inetd".
  47 RUN_MODE=""
  48 EOFMAGICNUMBER1234
  49 }
  50
  51 # --- Begin of FHS migration code ---
  52
  53 # Starting with Samba 2.2.3-4 the WINS database, the browse
  54 #       database and other important run-time files are stored in
  55 #       FHS-compliant directories. The following code takes care of
  56 #       moving the files in the old directories (/var/samba/ and
  57 #       /var/state/samba) to the new FHS-compliant directories.
  58
  59 if [ -d /var/samba/ ] && [ -n "$2" ] && dpkg --compare-versions "$2" lt 2.0.7-4
  60 then
  61         mv /var/samba/* /var/lib/samba/ 2>/dev/null || true
  62         rmdir /var/samba/
  63 fi
  64
  65 # Default for anything we don't know about (see next two 'for' loops)
  66 #       is /var/lib/samba -- guaranteed not to accidentally tromp on any
  67 #       files the admin thought were safe.
  68 if [ -d /var/state/samba ] && [ -n "$2" ] && dpkg --compare-versions "$2" lt 2.2.3-4
  69 then
  70         mv /var/state/samba/* /var/lib/samba/ 2>/dev/null || true
  71         rmdir /var/state/samba/
  72
  73         # It's not FHS, and it's probably our fault this is here,
  74         # so delete it if we can.
  75         rmdir /var/state/ 2> /dev/null || true
  76 fi
  77
  78 # All these files are now placed in their respective FHS-compliant
  79 #       directories.  Separate out the individual files accordingly.
  80 for F in browse.dat printing.tdb winbindd_cache.tdb
  81 do
  82         if [ -e /var/lib/samba/"$F" ]; then
  83                 mv /var/lib/samba/"$F" /var/cache/samba/
  84         fi
  85 done
  86
  87 for F in brlock.tdb connections.tdb locking.tdb messages.tdb nmbd.pid \
  88          sessionid.tdb smbd.pid unexpected.tdb
  89 do
  90         if [ -e /var/lib/samba/"$F" ]; then
  91                 mv /var/lib/samba/"$F" /var/run/samba/
  92         fi
  93 done
  94
  95 # Beginning with Samba 2.2.5-1, we also move the domain secrets file
  96 # to a more suitable location, since no one really edits this by hand.
  97 if [ -e /etc/samba/secrets.tdb -a ! -e /var/lib/samba/secrets.tdb ]
  98 then
  99         mv /etc/samba/secrets.tdb /var/lib/samba/
 100 fi
 101
 102 # If upgrading from a previous 2.999 snapshot, move the passdb.tdb
 103 # database into /var/lib.
 104
 105 if [ -n "$2" ] && dpkg --compare-versions "$2" lt 2.999+3.0.alpha23-5 \
 106    && [ -e /etc/samba/passdb.tdb -a ! -e /var/lib/samba/passdb.tdb ]
 107 then
 108         mv /etc/samba/passdb.tdb /var/lib/samba/
 109 fi
 110
 111 # --- End of FHS migration code ---
 112
 113 # If upgrading from a previous 2.999 snapshot, clear the broken
 114 # registry.tdb file.
 115 if [ -n "$2" ] && dpkg --compare-versions "$2" gt 2.99.cvs.20020713-1 \
 116    && dpkg --compare-versions "$2" lt 2.999+3.0cvs20020805-1
 117 then
 118         rm -f /var/lib/samba/registry.tdb
 119 fi
 120
 121 # ------------------------- Debconf questions start ---------------------
 122
 123 # Run Samba as daemons or from inetd?
 124 db_get samba/run_mode || true
 125 RUN_MODE="${RET}"
 126
 127 TMPFILE=/etc/default/samba.dpkg-tmp
 128 sed -e "s/^[[:space:]]*RUN_MODE[[:space:]]*=.*/RUN_MODE=\"${RUN_MODE}\"/" \
 129         < ${INITCONFFILE} >${TMPFILE}
 130 chmod a+r ${TMPFILE}
 131 mv -f ${TMPFILE} ${INITCONFFILE}
 132
 133 # Generate a smbpasswd file?
 134 db_get samba/generate_smbpasswd || true
 135 GENERATE_SMBPASSWD="${RET}"
 136
 137 db_get samba/tdbsam || true
 138 PDB_MIGRATE="${RET}"
 139
 140 # Done with debconf now.
 141 db_stop
 142
 143 umask 066
 144
 145 # FIXME: disable if ldapsam support is enabled?
 146 # FIXME: we don't want to pass these through the smbpasswd backend,
 147 # some of the faking can cause us problems!
 148 if [ "${GENERATE_SMBPASSWD}" = "true" -a ! -e /var/lib/samba/passdb.tdb -a ! -e /etc/samba/smbpasswd ]; then
 149         getent passwd | /usr/sbin/mksmbpasswd > /etc/samba/smbpasswd
 150         pdbedit -i smbpasswd -e tdbsam
 151         rm /etc/samba/smbpasswd
 152 fi
 153
 154 umask 022
 155
 156 if [ -n "$2" -a -e /etc/samba/smbpasswd \
 157      -a ! -e /var/lib/samba/passdb.tdb -a "$PDB_MIGRATE" = "true" ] \
 158    && dpkg --compare-versions "$2" lt 2.99.cvs.20020713-2
 159 then
 160         umask 066
 161         pdbedit -i smbpasswd -e tdbsam
 162         rm /etc/samba/smbpasswd
 163         umask 022
 164
 165         # The database has been moved, now make sure we can still find it.
 166         PASSDB=`sed -n -e"s/^[[:space:]]*\[global\]/\[global\]/i
 167                         /^\[global\]/,/^[[:space:]]*\[/ \
 168                                 s/^[[:space:]]*passdb backend[[:space:]]*=[[:space:]]*//pi" \
 169                         < /etc/samba/smb.conf \
 170          | tail -n 1`
 171         if echo "$PASSDB" | egrep -q "(^|[[:space:]])smbpasswd"; then
 172                 if ! echo "$PASSDB" | egrep -q "(^|[[:space:]])tdbsam"; then
 173                         PASSDB=`echo $PASSDB | sed -e's/\(^\|[[:space:]]\)smbpasswd/\1tdbsam/'`
 174                 fi
 175         fi
 176         if ! echo "$PASSDB" | egrep -q "(^|[[:space:]])tdbsam"; then
 177                 PASSDB="tdbsam $PASSDB"
 178         fi
 179         TMPFILE=/etc/samba/smb.conf.dpkg-tmp
 180         sed -e "s/^\([[:space:]]*\)\[global\]/\1\[global\]/i
 181                 /^[[:space:]]*\[global\]/,/^[[:space:]]*\[/ \
 182                         s/^\([[:space:]]*\)passdb backend[[:space:]]*=.*/\1passdb backend = ${PASSDB}/i" \
 183                 < /etc/samba/smb.conf >${TMPFILE}
 184         chmod a+r ${TMPFILE}
 185         mv -f ${TMPFILE} /etc/samba/smb.conf
 186 fi
 187
 188 # ------------------------- Debconf questions end ---------------------
 189
 190 # Handle removal of nmbd from inetd.conf, which is no longer a supported
 191 #       configuration.
 192 if dpkg --compare-versions "$2" lt 2.999+3.0.alpha20-4; then
 193         update-inetd --remove netbios-ns
 194 fi
 195
 196 # We want to add these entries to inetd.conf commented out. Otherwise
 197 #       UDP traffic could make inetd to start nmbd or smbd right during
 198 #       the configuration stage.
 199 if [ -z "$2" ]; then
 200         update-inetd --add "#<off># netbios-ssn stream  tcp     nowait  root    /usr/sbin/tcpd  /usr/sbin/smbd"
 201 fi
 202
 203 if [ "$RUN_MODE" = "daemons" ]; then
 204         update-inetd --disable netbios-ssn
 205 else
 206         update-inetd --enable netbios-ssn
 207 fi
 208
 209 # This check is a safety net: the /etc/samba/smbpasswd file must have
 210 #       permissions 600.
 211 if [ -f /etc/samba/smbpasswd ]; then
 212         chmod 600 /etc/samba/smbpasswd
 213 fi
 214
 215 # Do the same check for /var/backup/smbpasswd.bak, just in case.
 216 if [ -f /var/backups/smbpasswd.bak ]; then
 217         chmod 600 /var/backups/smbpasswd.bak
 218 fi
 219
 220 # Delete old /etc/samba/debian_config file, which is not used anymore
 221 #       now that we are using debconf.
 222 rm -f /etc/samba/debian_config
 223
 224 # Move old log files to the new location of Samba's log files
 225 mv -f /var/log/nmb* /var/log/samba/ 2> /dev/null || true
 226 mv -f /var/log/smb* /var/log/samba/ 2> /dev/null || true
 227
 228 #DEBHELPER#
 229
 230 exit 0