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- #!/bin/bash -e
- . /usr/share/debconf/confmodule
- if [ -n "$DEBIAN_SCRIPT_DEBUG" ]; then set -v -x; DEBIAN_SCRIPT_TRACE=1; fi
- ${DEBIAN_SCRIPT_TRACE:+ echo "#42#DEBUG# RUNNING $0 $*" 1>&2 }
- export PATH=$PATH:/sbin:/usr/sbin:/bin:/usr/bin
- # This command can be used as pipe to syslog. With "-s" it also logs to stderr.
- ERR_LOGGER="logger -p daemon.err -t mysqld_safe -i"
- invoke() {
- if [ -x /usr/sbin/invoke-rc.d ]; then
- invoke-rc.d mysql $1
- else
- /etc/init.d/mysql $1
- fi
- }
- MYSQL_BOOTSTRAP="/usr/sbin/mysqld --bootstrap --user=mysql --skip-grant-tables --skip-bdb --skip-innodb --skip-ndbcluster"
- test_mysql_access() {
- mysql --no-defaults -u root -h localhost </dev/null >/dev/null 2>&1
- }
- # call with $1 = "online" to connect to the server, otherwise it bootstraps
- set_mysql_rootpw() {
- # forget we ever saw the password. don't use reset to keep the seen status
- db_set mysql-server/root_password ""
- tfile=`mktemp`
- if [ ! -f "$tfile" ]; then
- return 1
- fi
- # this avoids us having to call "test" or "[" on $rootpw
- cat << EOF > $tfile
- USE mysql;
- UPDATE user SET password=PASSWORD("$rootpw") WHERE user='root';
- FLUSH PRIVILEGES;
- EOF
- if grep -q 'PASSWORD("")' $tfile; then
- retval=0
- elif [ "$1" = "online" ]; then
- mysql --no-defaults -u root -h localhost <$tfile >/dev/null
- retval=$?
- else
- $MYSQL_BOOTSTRAP <$tfile
- retval=$?
- fi
- rm -f $tfile
- return $retval
- }
- # This is necessary because mysql_install_db removes the pid file in /var/run
- # and because changed configuration options should take effect immediately.
- # In case the server wasn't running at all it should be ok if the stop
- # script fails. I can't tell at this point because of the cleaned /var/run.
- set +e; invoke stop; set -e
- case "$1" in
- configure)
- mysql_cnf=/etc/mysql/my.cnf
- mysql_datadir=/usr/share/mysql
- mysql_statedir=/var/lib/mysql
- mysql_rundir=/var/run/mysqld
- mysql_logdir=/var/log
- mysql_cfgdir=/etc/mysql
- mysql_newlogdir=/var/log/mysql
- mysql_upgradedir=/var/lib/mysql-upgrade
- # first things first, if the following symlink exists, it is a preserved
- # copy the old data dir from a mysql upgrade that would have otherwise
- # been replaced by an empty mysql dir. this should restore it.
- for dir in DATADIR LOGDIR; do
- if [ "$dir" = "DATADIR" ]; then targetdir=$mysql_statedir; else targetdir=$mysql_newlogdir; fi
- savelink="$mysql_upgradedir/$dir.link"
- if [ -L "$savelink" ]; then
- # If the targetdir was a symlink before we upgraded it is supposed
- # to be either still be present or not existing anymore now.
- if [ -L "$targetdir" ]; then
- rm "$savelink"
- elif [ ! -d "$targetdir" ]; then
- mv "$savelink" "$targetdir"
- else
- # this should never even happen, but just in case...
- mysql_tmp=`mktemp -d -t mysql-symlink-restore-XXXXXX`
- echo "this is very strange! see $mysql_tmp/README..." >&2
- mv "$targetdir" "$mysql_tmp"
- cat << EOF > "$mysql_tmp/README"
- if you're reading this, it's most likely because you had replaced /var/lib/mysql
- with a symlink, then upgraded to a new version of mysql, and then dpkg
- removed your symlink (see #182747 and others). the mysql packages noticed
- that this happened, and as a workaround have restored it. however, because
- /var/lib/mysql seems to have been re-created in the meantime, and because
- we don't want to rm -rf something we don't know as much about, we're going
- to leave this unexpected directory here. if your database looks normal,
- and this is not a symlink to your database, you should be able to blow
- this all away.
- EOF
- fi
- fi
- rmdir $mysql_upgradedir 2>/dev/null || true
- done
- # Ensure the existence and right permissions for the database and
- # log files.
- if [ ! -d "$mysql_statedir" -a ! -L "$mysql_statedir" ]; then mkdir "$mysql_statedir"; fi
- if [ ! -d "$mysql_statedir/mysql" -a ! -L "$mysql_statedir/mysql" ]; then mkdir "$mysql_statedir/mysql"; fi
- if [ ! -d "$mysql_newlogdir" -a ! -L "$mysql_newlogdir" ]; then mkdir "$mysql_newlogdir"; fi
- # When creating an ext3 jounal on an already mounted filesystem like e.g.
- # /var/lib/mysql, you get a .journal file that is not modifyable by chown.
- # The mysql_datadir must not be writable by the mysql user under any
- # circumstances as it contains scripts that are executed by root.
- set +e
- chown -R 0.0 $mysql_datadir
- chown -R mysql $mysql_statedir
- chown -R mysql $mysql_rundir
- chown -R mysql:adm $mysql_newlogdir; chmod 2750 $mysql_newlogdir;
- for i in log err; do
- touch $mysql_logdir/mysql.$i
- chown mysql:adm $mysql_logdir/mysql.$i
- chmod 0640 $mysql_logdir/mysql.$i
- done
- set -e
- # This is important to avoid dataloss when there is a removed
- # mysql-server version from Woody lying around which used the same
- # data directory and then somewhen gets purged by the admin.
- db_set mysql-server/postrm_remove_database false || true
- # So that mysql-server (4.0) can check if it's safe to install.
- touch $mysql_statedir/debian-5.0.flag
- # On dist-upgrades, we ensure that the old_password setting is updated
- # before passwords are changed. Except for that my.cnf is taboo!
- db_get mysql-server-5.0/need_sarge_compat_done || true
- if [ "$RET" = "false" ]; then
- db_get mysql-server-5.0/need_sarge_compat
- echo -e "# created by debconf\n[mysqld]\nold_passwords = $RET" > /etc/mysql/conf.d/old_passwords.cnf
- fi
- db_set mysql-server-5.0/need_sarge_compat_done true
- # initiate databases. Output is not allowed by debconf :-(
- # Debian: beware of the bashisms...
- # Debian: can safely run on upgrades with existing databases
- set +e
- /bin/bash /usr/bin/mysql_install_db --rpm 2>&1 | $ERR_LOGGER
- if [ "$?" != "0" ]; then
- echo "ATTENTION: An error has occured. More info is in the syslog!"
- fi
- set -e
- ## On every reconfiguration the maintenance user is recreated.
- #
- # - It is easier to regenerate the password every time but as people
- # use fancy rsync scripts and file alteration monitors, the existing
- # password is used and existing files not touched.
- # - The mysqld statement is like that in mysql_install_db because the
- # server is not already running. This has some implications:
- # - The amount of newlines and semicolons in the query is important!
- # - GRANT is not possible with --skipt-grant-tables and "INSERT
- # (user,host..) VALUES" is not --ansi compliant
- # - The echo is just for readability. ash's buildin has no "-e" so use /bin/echo.
- # - The Super_priv, Show_db_priv, Create_tmp_table_priv and Lock_tables_priv
- # may not be present as old Woody 3.23 databases did not have it and the
- # admin might not already have run mysql_upgrade which adds them.
- # As the binlog cron scripts to need at least the Super_priv, I do first
- # the old query which always succeeds and then the new which may or may not.
- # recreate the credentials file if not present or without mysql_upgrade stanza
- dc=$mysql_cfgdir/debian.cnf;
- if [ -e "$dc" -a -n "`fgrep mysql_upgrade $dc 2>/dev/null`" ]; then
- pass="`sed -n 's/password *= *// p' $dc | head -n 1`"
- else
- pass=`perl -e 'print map{("a".."z","A".."Z",0..9)[int(rand(62))]}(1..16)'`;
- if [ ! -d "$mysql_cfgdir" ]; then install -o 0 -g 0 -m 0755 -d $mysql_cfgdir; fi
- cat /dev/null > $dc
- echo "# Automatically generated for Debian scripts. DO NOT TOUCH!" >>$dc
- echo "[client]" >>$dc
- echo "host = localhost" >>$dc
- echo "user = debian-sys-maint" >>$dc
- echo "password = $pass" >>$dc
- echo "socket = $mysql_rundir/mysqld.sock" >>$dc
- echo "[mysql_upgrade]" >>$dc
- echo "user = debian-sys-maint" >>$dc
- echo "password = $pass" >>$dc
- echo "socket = $mysql_rundir/mysqld.sock" >>$dc
- echo "basedir = /usr" >>$dc
- fi
- # If this dir chmod go+w then the admin did it. But this file should not.
- chown 0:0 $dc
- chmod 0600 $dc
- # update privilege and timezone tables
- password_column_fix_query=`/bin/echo -e \
- "USE mysql\n" \
- "ALTER TABLE user CHANGE password Password varchar(41) collate utf8_bin NOT NULL default ''"`;
- replace_query=`/bin/echo -e \
- "USE mysql\n" \
- "REPLACE INTO user SET " \
- " host='localhost', user='debian-sys-maint', password=password('$pass'), " \
- " Select_priv='Y', Insert_priv='Y', Update_priv='Y', Delete_priv='Y', " \
- " Create_priv='Y', Drop_priv='Y', Reload_priv='Y', Shutdown_priv='Y', " \
- " Process_priv='Y', File_priv='Y', Grant_priv='Y', References_priv='Y', " \
- " Index_priv='Y', Alter_priv='Y' __EXTRA_PRIVS__"`;
- extra_privs=`/bin/echo -e \
- ", Show_db_priv='Y' " \
- ", Super_priv='Y' " \
- ", Create_tmp_table_priv='Y' " \
- ", Lock_tables_priv='Y' " \
- ", Execute_priv='Y' " \
- ", Repl_slave_priv='Y' " \
- ", Repl_client_priv='Y' "`;
- # Upgrade password column format before the root password gets set.
- echo "$password_column_fix_query" | $MYSQL_BOOTSTRAP 2>&1 | $ERR_LOGGER
- db_get mysql-server/root_password && rootpw="$RET"
- if ! set_mysql_rootpw; then
- password_error="yes"
- fi
- echo "$replace_query" | sed "s/__EXTRA_PRIVS__//" | $MYSQL_BOOTSTRAP 2>&1 | $ERR_LOGGER
- set +e
- echo "$replace_query" | sed "s/__EXTRA_PRIVS__/$extra_privs/" | $MYSQL_BOOTSTRAP 2>&1 | $ERR_LOGGER
- set -e
- mysql_tzinfo_to_sql /usr/share/zoneinfo/ 2>&1 | egrep -v 'Skipping it.$' | $MYSQL_BOOTSTRAP 2>&1 | $ERR_LOGGER
- # The Sarge package "mysql-server" which used to include the mysqld daemon
- # may still be in unselected-configured state (i.e. after a remove but not
- # purge) in which case its now obsolete cronscript has to be moved away.
- for i in /etc/cron.daily/mysql-server /etc/cron.daily/mysql-server-41 /etc/mysql/debian-log-rotate.conf; do
- if [ -f $i ]; then mv $i $i.dpkg-old; fi
- done
- # Reload AppArmor profile
- if [ -x /etc/init.d/apparmor ]; then
- invoke-rc.d apparmor force-reload || true
- fi
- ;;
- abort-upgrade|abort-remove|abort-configure)
- ;;
- *)
- echo "postinst called with unknown argument '$1'" 1>&2
- exit 1
- ;;
- esac
- #DEBHELPER#
- # here we check to see if we can connect as root without a password
- # this should catch upgrades from previous verisons where the root
- # password wasn't set. if there is a password, or if the connection
- # fails for any other reason, nothing happens.
- if [ "$1" = "configure" ]; then
- if test_mysql_access; then
- db_input medium mysql-server/root_password || true
- db_go
- db_get mysql-server/root_password && rootpw="$RET"
- if ! set_mysql_rootpw "online"; then
- password_error="yes"
- fi
- fi
- if [ "$password_error" = "yes" ]; then
- db_input high mysql-server/error_setting_password || true
- db_go
- fi
- fi
- db_stop # in case invoke failes
- exit 0
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