mirror of
https://github.com/RIPE-NCC/ripe-atlas-software-probe.git
synced 2024-05-11 05:55:02 +00:00
Philip Homburg
60 lines
1.3 KiB
Bash
Executable File
60 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# Create /etc/resolv.conf from various sources.
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#exec > /tmp/resolvconf.out 2>/tmp/resolvconf.err
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#set -x
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interface="$1"
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dynamic="$2"
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if [ "X$interface" = Xwlan0 ]
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then
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RESOLV_CONF=/tmp/resolv.conf.wlan0
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RESOLV_CONF_TMP=/tmp/resolv.conf.wlan0.tmp
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RESOLV_STATIC=/storage/etc/resolv.conf.wlan0.static
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RESOLV_DHCP4=/tmp/resolv.conf.wlan0.dhcp4
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RESOLV_RA6=/tmp/resolv.conf.wlan0.ra6
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else
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RESOLV_CONF=/tmp/resolv.conf
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RESOLV_CONF_TMP=/tmp/resolv.conf.tmp
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RESOLV_STATIC=/storage/etc/resolv.conf.static
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RESOLV_DHCP4=/tmp/resolv.conf.dhcp4
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RESOLV_RA6=/tmp/resolv.conf.ra6
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fi
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if [ -f /etc/init.d/chronyd ]
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then
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CHRONY="/etc/init.d/chronyd restart" # Kick chrony
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else
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CHRONY="/etc/init.d/ntpd restart" # Kick chrony
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fi
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# Static address configuration may be broken. When switching back to DHCP
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# also ignore statically configured DNS resolvers
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if [ X"$dynamic" != Xdynamic ]
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then
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if [ -f $RESOLV_STATIC ]
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then
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# Static
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cat $RESOLV_STATIC > $RESOLV_CONF_TMP
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mv $RESOLV_CONF_TMP $RESOLV_CONF
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$CHRONY &
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exit 0
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fi
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fi
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# Dynamic
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if [ -f $RESOLV_DHCP4 -a -f $RESOLV_RA6 ]
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then
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paste -d'\n' $RESOLV_DHCP4 $RESOLV_RA6 > $RESOLV_CONF_TMP
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elif [ -f $RESOLV_DHCP4 ]
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then
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cat $RESOLV_DHCP4 > $RESOLV_CONF_TMP
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elif [ -f $RESOLV_RA6 ]
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then
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cat $RESOLV_RA6 > $RESOLV_CONF_TMP
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fi
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mv $RESOLV_CONF_TMP $RESOLV_CONF
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$CHRONY &
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