1 #!/bin/sh 2 # 3 # $NetBSD: named,v 1.25 2014/07/13 22:06:56 tls Exp $ 4 # 5 6 # PROVIDE: named 7 # REQUIRE: NETWORKING mountcritremote syslogd 8 # BEFORE: DAEMON 9 # KEYWORD: chrootdir 10 11 $_rc_subr_loaded . /etc/rc.subr 12 13 name="named" 14 rcvar=$name 15 command="/usr/sbin/${name}" 16 pidfile="/var/run/${name}/${name}.pid" 17 start_precmd="named_precmd" 18 extra_commands="reload" 19 required_dirs="$named_chrootdir" # if it is set, it must exist 20 21 named_migrate() 22 { 23 local src="$1" 24 local dst="$2$1" 25 echo "Migrating $src to $dst" 26 ( 27 diff=false 28 cd "$src" 29 mkdir -p "$dst" 30 for f in $(find . -type f) 31 do 32 f="${f##./}" 33 case "$f" in 34 */*) 35 ds="$(dirname "$f")" 36 dd="$dst/$ds" 37 mkdir -p "$dd" 38 chmod "$(stat -f "%p" "$ds" | 39 sed -e 's/.*\([0-7][0-7][0-7][0-7]\)$/\1/g')" "$dd" 40 chown "$(stat -f %u:%g "$ds")" "$dd" 41 ;; 42 *) 43 ;; 44 esac 45 if [ -r "$dst/$f" ] 46 then 47 if ! cmp "$f" "$dst/$f"; then 48 diff=true 49 fi 50 else 51 cp -p "$f" "$dst/$f" 52 fi 53 done 54 if $diff; then 55 echo "Cannot complete migration because files are different" 56 echo "Run 'diff -r $src $dst' resolve the differences" 57 else 58 rm -fr "$src" 59 ln -s "$dst" "$src" 60 fi 61 ) 62 } 63 64 named_precmd() 65 { 66 if [ ! -e "/etc/rndc.key" ]; then 67 echo "Generating rndc.key" 68 /usr/sbin/rndc-confgen -a 69 fi 70 71 if [ -z "$named_chrootdir" ]; then 72 if [ ! -d "/etc/namedb/keys" ]; then 73 mkdir -m 775 "/etc/namedb/keys" 74 chown named:named "/etc/namedb/keys" 75 fi 76 return 0; 77 fi 78 79 # If running in a chroot cage, ensure that the appropriate files 80 # exist inside the cage, as well as helper symlinks into the cage 81 # from outside. 82 # 83 # As this is called after the is_running and required_dir checks 84 # are made in run_rc_command(), we can safely assume ${named_chrootdir} 85 # exists and named isn't running at this point (unless forcestart 86 # is used). 87 # 88 case "$($command -v)" in 89 BIND*) # 9 no group, named-xfer, or ndc 90 ;; 91 named*) # 4 and 8 92 rc_flags="-g named $rc_flags" 93 if [ ! -x "${named_chrootdir}/usr/libexec/named-xfer" -o \ 94 "${named_chrootdir}/usr/libexec/named-xfer" -ot \ 95 /usr/libexec/named-xfer ]; then 96 rm -f "${named_chrootdir}/usr/libexec/named-xfer" 97 cp -p /usr/libexec/named-xfer \ 98 "${named_chrootdir}/usr/libexec" 99 fi 100 ln -fs "${named_chrootdir}/var/run/ndc" /var/run/ndc 101 ;; 102 esac 103 104 for i in null random urandom; do 105 if [ ! -c "${named_chrootdir}/dev/$i" ]; then 106 rm -f "${named_chrootdir}/dev/$i" 107 (cd /dev && 108 /bin/pax -rw -pe "$i" "${named_chrootdir}/dev") 109 fi 110 done 111 112 if [ ! -h /etc/namedb ]; then 113 named_migrate /etc/namedb ${named_chrootdir} 114 fi 115 116 for i in named.conf rndc.key; do 117 if [ \( -r "/etc/$i" \) -a \( ! -h "/etc/$i" \) -a \ 118 \( ! -r "${named_chrootdir}/etc/$i" \) ]; then 119 mv "/etc/$i" "${named_chrootdir}/etc/$i" 120 ln -s "${named_chrootdir}/etc/$i" "/etc/$i" 121 fi 122 done 123 124 if [ \( ! -r ${named_chrootdir}/etc/named.conf \) -a \ 125 \( -r ${named_chrootdir}/etc/namedb/named.conf \) ]; then 126 ln -s namedb/named.conf ${named_chrootdir}/etc 127 fi 128 129 if [ -f /etc/localtime ]; then 130 cmp -s /etc/localtime "${named_chrootdir}/etc/localtime" || \ 131 cp -p /etc/localtime "${named_chrootdir}/etc/localtime" 132 fi 133 134 local piddir="$(dirname "${pidfile}")" 135 mkdir -p "${named_chrootdir}${piddir}" "${piddir}" 136 chmod 755 "${named_chrootdir}${piddir}" "${piddir}" 137 chown named:named "${named_chrootdir}${piddir}" "${piddir}" 138 ln -fs "${named_chrootdir}${pidfile}" "${pidfile}" 139 140 # Change run_rc_commands()'s internal copy of $named_flags 141 # 142 rc_flags="-u named -t ${named_chrootdir} $rc_flags" 143 } 144 145 load_rc_config $name 146 run_rc_command "$1" 147