fix core dump caused by writing to read-only memory

[unix-history] / usr / src / etc / rc

diff --git a/usr/src/etc/rc b/usr/src/etc/rc
index 6662d98..ab415b5 100644 (file)
--- a/usr/src/etc/rc
+++ b/usr/src/etc/rc
@@ -1,6 +1,16 @@
-#
-#      @(#)rc  5.14 (Berkeley) %G%
-#
+#      @(#)rc  8.1 (Berkeley) %G%
+
+# System startup script run by init on autoboot
+# or after single-user.
+# Output and error are redirected to console by init,
+# and the console is the controlling terminal.
+
+stty status '^T'
+
+# Set shell to ignore SIGINT (2), but not children;
+# shell catches SIGQUIT (3) and returns to single user after fsck.
+trap : 2
+trap : 3       # shouldn't be needed

 
 HOME=/; export HOME
 PATH=/sbin:/bin:/usr/sbin:/usr/bin
 
 HOME=/; export HOME
 PATH=/sbin:/bin:/usr/sbin:/usr/bin


@@ -8,12 +18,11 @@ export PATH
 
 if [ -r /fastboot ]
 then
 
 if [ -r /fastboot ]
 then

-       rm -f /fastboot
-       echo Fast boot ... skipping disk checks >/dev/console
+       echo Fast boot ... skipping disk checks

 elif [ $1x = autobootx ]
 then
 elif [ $1x = autobootx ]
 then

-       echo Automatic reboot in progress...            >/dev/console
-       fsck -p                                         >/dev/console 2>&1
+       echo Automatic reboot in progress...
+       fsck -p

        case $? in
        0)
                ;;
        case $? in
        0)
                ;;


@@ -21,16 +30,16 @@ then
                exit 1
                ;;
        4)
                exit 1
                ;;
        4)

-               reboot -n
-               echo "reboot -n failed... help!" >/dev/console
+               reboot
+               echo "reboot failed... help!"

                exit 1
                ;;
        8)
                exit 1
                ;;
        8)

-               echo "Automatic file system check failed... help!" >/dev/console
+               echo "Automatic file system check failed... help!"

                exit 1
                ;;
        12)
                exit 1
                ;;
        12)

-               echo "Reboot interrupted" >/dev/console
+               echo "Reboot interrupted"

                exit 1
                ;;
        130)
                exit 1
                ;;
        130)


@@ -38,54 +47,58 @@ then
                exit 1
                ;;
        *)
                exit 1
                ;;
        *)

-               echo "Unknown error in reboot" > /dev/console
+               echo "Unknown error in reboot"

                exit 1
                ;;
        esac
 fi
 
                exit 1
                ;;
        esac
 fi
 

-swapon -a                                              >/dev/console 2>&1
+trap "echo 'Reboot interrupted'; exit 1" 3

 
 

-umount -a
-mount -a -t nonfs                                      >/dev/console 2>&1
-rm -f /fastboot                # XXX
+swapon -a

 
 

-# clean up left-over files
-rm -f /etc/nologin
-rm -f /var/spool/uucp/LCK.*
-rm -f /var/spool/uucp/STST/*
-(cd /var/run; rm -rf *; cp /dev/null utmp; chmod 644 utmp)
+umount -a >/dev/null 2>&1
+mount -a -t nonfs
+rm -f /fastboot                # XXX (root now writeable)

 
 # set hostname, turn on network
 
 # set hostname, turn on network

+echo 'starting network'

 . /etc/netstart
 
 . /etc/netstart
 

-mount -a -t nfs &      # XXX shouldn't need background
+mount -a -t nfs >/dev/null 2>&1 &      # XXX shouldn't need background

 
 

-echo -n 'starting system logger'                       >/dev/console
+# clean up left-over files
+rm -f /etc/nologin
+rm -f /var/spool/uucp/LCK.*
+rm -f /var/spool/uucp/STST/*
+(cd /var/run && { rm -rf -- *; install -c -m 664 -g utmp /dev/null utmp; })
+
+echo -n 'starting system logger'

 rm -f /dev/log
 syslogd
 
 # $timedflags is imported from /etc/netstart;
 # if $timedflags == NO, timed isn't run.
 if [ X${timedflags} != X"NO" ]; then
 rm -f /dev/log
 syslogd
 
 # $timedflags is imported from /etc/netstart;
 # if $timedflags == NO, timed isn't run.
 if [ X${timedflags} != X"NO" ]; then

-    echo -n ', time daemon'    >/dev/console;  timed $timedflags
+       echo -n ', time daemon'; timed $timedflags

 fi
 fi

-echo    '.'                                            >/dev/console
+echo '.'

 
 # /var/crash should be a directory or a symbolic link
 # to the crash directory if core dumps are to be saved.
 if [ -d /var/crash ]; then
 
 # /var/crash should be a directory or a symbolic link
 # to the crash directory if core dumps are to be saved.
 if [ -d /var/crash ]; then

-       echo 'checking for core dump... '               >/dev/console
-       savecore /var/crash                             >/dev/console 2>&1
+       echo checking for core dump...
+       savecore /var/crash

 fi
 
 fi
 

-                       echo -n 'checking quotas:'      >/dev/console
-quotacheck -a -p                                       >/dev/console 2>&1
-                       echo ' done.'                   >/dev/console
-quotaon -a                                             >/dev/console 2>&1
+                               echo -n 'checking quotas:'
+quotacheck -a
+                               echo ' done.'
+quotaon -a

 
 

-# build kvm database
-kvm_mkdb                                               >/dev/console 2>&1
+# build ps databases
+kvm_mkdb
+dev_mkdb

 
 chmod 666 /dev/tty[pqrs]*
 
 
 chmod 666 /dev/tty[pqrs]*
 


@@ -93,45 +106,65 @@ chmod 666 /dev/tty[pqrs]*
 if [ -f /etc/ptmp ]
 then
        logger -s -p auth.err \
 if [ -f /etc/ptmp ]
 then
        logger -s -p auth.err \

-       'password file may be incorrect -- /etc/ptmp exists' >/dev/console 2>&1
+       'password file may be incorrect -- /etc/ptmp exists'

 fi
 
 fi
 

-echo preserving editor files  >/dev/console
-(cd /var/tmp; /usr/libexec/ex3.7preserve -a)
-(cd /var/tmp; rm Ex[0-9][0-9][0-9][0-9][0-9] Rx[0-9][0-9][0-9][0-9][0-9])
+echo preserving editor files
+(cd /var/tmp && /usr/libexec/ex3.7preserve -a &&
+     rm -f Ex[0-9][0-9][0-9][0-9][0-9] Rx[0-9][0-9][0-9][0-9][0-9])
+
+echo clearing /tmp

 
 

-echo clearing /tmp     >/dev/console
-# prune quickly with one rm, then use find to clean up /tmp/[lq]*
-(cd /tmp; rm -rf [a-km-pr-zA-Z]* )
-(cd /tmp; find . ! -name . ! -name lost+found ! -name quotas -exec rm -r {} \; )
+# Prune quickly with one rm, then use find to clean up /tmp/[lq]* (this
+# is not needed with mfs /tmp, but doesn't hurt anything).
+(cd /tmp && rm -rf [a-km-pr-zA-Z]* &&
+    find . ! -name . ! -name lost+found ! -name quotas -type d -prune \
+       -exec rm -rf -- {} \;)

 
 

-echo -n standard daemons: >/dev/console
-echo -n ' update'      >/dev/console;  update
-echo -n ' cron'                >/dev/console;  cron
-echo -n ' accounting'  >/dev/console;  accton /var/account/acct
-echo    '.'            >/dev/console
+echo 'turning on accounting';  accton /var/account/acct

 
 

-echo -n starting network daemons: >/dev/console
+echo -n standard daemons:
+echo -n ' update';             update
+echo -n ' cron';               cron
+echo '.'

 
 

-# $routedflags is imported from /etc/netstart;
-# if $routedflags == NO, routed isn't run.
-if [ X${routedflags} != X"NO" ]; then
-    echo -n ' routed'  >/dev/console; routed $routedflags
+echo -n starting network daemons:
+
+# $gated and $routedflags are imported from /etc/netstart.
+# If $gated == YES, gated is used; otherwise routed.
+# If $routedflags == NO, routed isn't run.
+if [ X${gated} = X"YES" -a -r /etc/gated.conf ]; then
+       echo -n ' gated';       gated $gatedflags
+elif [ X${routedflags} != X"NO" ]; then
+       echo -n ' routed';      routed $routedflags

 fi
 
 fi
 

-echo -n ' named'       >/dev/console;  named >/dev/console 2>&1
-echo -n ' inetd'       >/dev/console;  inetd
+echo -n ' named';              named

 
 # $rwhod is imported from /etc/netstart;
 # if $rwhod is set to something other than NO, rwhod is run.
 if [ ${rwhod-NO} != "NO" ]; then
 
 # $rwhod is imported from /etc/netstart;
 # if $rwhod is set to something other than NO, rwhod is run.
 if [ ${rwhod-NO} != "NO" ]; then

-    echo -n ' rwhod'   >/dev/console;  rwhod
+       echo -n ' rwhod';       rwhod

 fi
 
 fi
 

-echo -n ' printer'     >/dev/console;  lpd
-echo    '.'            >/dev/console
+echo -n ' printer';            lpd
+
+echo -n ' portmap';            portmap
+echo -n ' mountd';             mountd
+echo -n ' nfsd';               nfsd -u -t 6
+echo -n ' nfsiod';             nfsiod 4
+
+echo -n ' sendmail';           sendmail -bd -q30m
+echo -n ' inetd';              inetd
+echo -n ' amd';
+       cd /; amd -l /var/log/amd -r -a /amd -p > /var/run/amd.pid \
+       /home /etc/amd-home \
+       /n /etc/amd-n \
+       &
+
+echo '.'

 
 sh /etc/rc.local
 
 
 sh /etc/rc.local
 

-date                   >/dev/console
+date

 exit 0
 exit 0