/lib/resolvconf/pdnsd is in openresolv 3.4.4-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 | #!/bin/sh
# Copyright (c) 2010-2011 Roy Marples
# All rights reserved
# pdnsd subscriber for resolvconf
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
[ -f "/etc"/resolvconf.conf ] || exit 0
. "/etc/resolvconf.conf" || exit 1
[ -z "$pdnsd_conf" -a -z "$pdnsd_resolv" ] && exit 0
[ -z "$RESOLVCONF" ] && eval "$(/sbin/resolvconf -v)"
NL="
"
: ${pdnsd_restart:=pdnsd-ctl config $pdnsd_conf}
signature="# Generated by resolvconf"
signature_end="# End of resolvconf"
# We normally use sed to remove markers from a configuration file
# but sed may not always be available at the time.
remove_markers()
{
local m1="$1" m2="$2" x= line= in_marker=0
shift; shift
if type sed >/dev/null 2>&1; then
sed "/^$m1/,/^$m2/d" $@
else
for x; do
while read line; do
case "$line" in
"$m1"*) in_marker=1;;
"$m2"*) in_marker=0;;
*) [ $in_marker = 0 ] && echo "$line";;
esac
done < "$x"
done
fi
}
# Compare two files
# If different, replace first with second otherwise remove second
change_file()
{
if [ -e "$1" ]; then
if type cmp >/dev/null 2>&1; then
cmp -s "$1" "$2"
elif type diff >/dev/null 2>&1; then
diff -q "$1" "$2" >/dev/null
else
# Hopefully we're only working on small text files ...
[ "$(cat "$1")" = "$(cat "$2")" ]
fi
if [ $? -eq 0 ]; then
rm -f "$2"
return 1
fi
fi
cat "$2" > "$1"
rm -f "$2"
return 0
}
newresolv="# Generated by resolvconf\n"
changed=false
# Try to ensure that config dirs exist
if type config_mkdirs >/dev/null 2>&1; then
config_mkdirs "$pdnsd_resolv" "$pdnsd_conf"
else
/sbin/resolvconf -D "$pdnsd_resolv" "$pdnsd_conf"
fi
if [ -n "$pdnsd_resolv" ]; then
for n in $NAMESERVERS; do
newresolv="${newresolv}nameserver $n\n"
done
fi
# Only modify the configuration if it exists and we can write to it
if [ -w "$pdnsd_conf" ]; then
cf="$pdnsd_conf.new"
newconf=
if [ -z "$pdnsd_resolv" ]; then
newconf="${newconf}server {$NL"
newconf="${newconf} label=resolvconf;$NL"
if [ -n "$NAMESERVERS" ]; then
newconf="${newconf} ip="
first=true
for n in $NAMESERVERS; do
if $first; then
first=false
else
newconf="${newconf},"
fi
newconf="$newconf$n"
done
newconf="${newconf};$NL"
fi
newconf="${newconf}}$NL"
fi
for d in $DOMAINS; do
newconf="${newconf}server {$NL"
newconf="${newconf} include=.${d%%:*}.;$NL"
newconf="${newconf} policy=excluded;$NL"
newconf="${newconf} ip="
ns="${d#*:}"
while [ -n "$ns" ]; do
newconf="${newconf}${ns%%,*}"
[ "$ns" = "${ns#*,}" ] && break
ns="${ns#*,}"
newconf="${newconf},"
done
newconf="${newconf};$NL}$NL"
done
rm -f "$cf"
remove_markers "$signature" "$signature_end" "$pdnsd_conf" > "$cf"
if [ -n "$newconf" ]; then
echo "$signature" >> "$cf"
printf %s "$newconf" >> "$cf"
echo "$signature_end" >> "$cf"
fi
if change_file "$pdnsd_conf" "$cf"; then
changed=true
fi
fi
if [ -n "$pdnsd_resolv" ]; then
if [ ! -f "$pdnsd_resolv" ] || \
[ "$(cat "$pdnsd_resolv")" != "$(printf %s "$newresolv")" ]
then
changed=true
printf %s "$newresolv" >"$pdnsd_resolv"
fi
fi
if $changed; then
eval $pdnsd_restart
fi
|