1#!/bin/sh 2# 3# 4 5# PROVIDE: dumpon 6# BEFORE: disks 7# KEYWORD: nojail 8 9. /etc/rc.subr 10 11name="dumpon" 12desc="Dump kernel corefiles from swap to disk" 13start_cmd="dumpon_start" 14stop_cmd="dumpon_stop" 15 16dumpon_try() 17{ 18 local flags 19 20 flags=${dumpon_flags} 21 if [ -n "${dumppubkey}" ]; then 22 warn "The dumppubkey variable is deprecated. Use dumpon_flags." 23 flags="${flags} -k ${dumppubkey}" 24 fi 25 /sbin/dumpon ${flags} "${1}" 26 if [ $? -eq 0 ]; then 27 # Make a symlink in devfs for savecore 28 ln -fs "${1}" /dev/dumpdev 29 return 0 30 fi 31 warn "unable to specify $1 as a dump device" 32 return 1 33} 34 35dumpon_warn_unencrypted() 36{ 37 if [ -n "${dumppubkey}" ]; then 38 return 39 fi 40 for flag in ${dumpon_flags}; do 41 if [ $flag = -k ]; then 42 return 43 fi 44 done 45 warn "Kernel dumps will be written to the swap partition without encryption." 46} 47 48dumpon_start() 49{ 50 # Enable dumpdev so that savecore can see it. Enable it 51 # early so a crash early in the boot process can be caught. 52 # 53 case ${dumpdev} in 54 [Nn][Oo]) 55 ;; 56 [Aa][Uu][Tt][Oo] | '') 57 root_hold_wait 58 dev=$(/bin/kenv -q dumpdev) 59 if [ -n "${dev}" ] ; then 60 dumpon_try "${dev}" 61 return $? 62 fi 63 if [ -z ${dumpdev} ] ; then 64 return 65 fi 66 while read dev mp type more ; do 67 [ "${type}" = "swap" ] || continue 68 case ${dev} in 69 *.bde|*.eli) 70 dumpon_warn_unencrypted 71 dev=${dev%.*} 72 ;; 73 esac 74 [ -c "${dev}" ] || continue 75 dumpon_try "${dev}" 2>/dev/null && return 0 76 done </etc/fstab 77 echo "No suitable dump device was found." 1>&2 78 return 1 79 ;; 80 *) 81 root_hold_wait 82 dumpon_try "${dumpdev}" 83 ;; 84 esac 85} 86 87dumpon_stop() 88{ 89 case ${dumpdev} in 90 [Nn][Oo]) 91 ;; 92 *) 93 rm -f /dev/dumpdev 94 /sbin/dumpon -v off 95 ;; 96 esac 97} 98 99load_rc_config $name 100run_rc_command "$1" 101