58 lines
1.2 KiB
Bash
Executable file
58 lines
1.2 KiB
Bash
Executable file
#!/bin/sh
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set -e
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determine_implementation() {
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[ -n "$IF_DHCP_PROGRAM" ] && echo "$IF_DHCP_PROGRAM" && return
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[ -x /sbin/dhcpcd ] && echo "dhcpcd" && return
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[ -x /usr/sbin/dhclient ] && echo "dhclient" && return
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[ -x /sbin/udhcpc ] && echo "udhcpc" && return
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echo "could not find a supported DHCP implementation"
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exit 1
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}
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start() {
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case "$1" in
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dhcpcd)
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[ -n "$IF_HOSTNAME" ] && optargs="$optargs -h $IF_HOSTNAME"
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[ -n "$IF_VENDOR" ] && optargs="$optargs -i $IF_VENDOR"
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[ -n "$IF_CLIENT" ] && optargs="$optargs -i $IF_CLIENT"
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[ -n "$IF_LEASETIME" ] && optargs="$optargs -l $IF_LEASETIME"
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${MOCK} /sbin/dhcpcd $optargs $IFACE
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;;
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dhclient)
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${MOCK} /usr/sbin/dhclient -pf /var/run/dhclient.$IFACE.pid $IFACE
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;;
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udhcpc)
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${MOCK} /sbin/udhcpc -b -R -p /var/run/udhcpc.$IFACE.pid -i $IFACE
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;;
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*)
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;;
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esac
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}
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stop() {
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case "$1" in
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dhcpcd)
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${MOCK} /sbin/dhcpcd -k $IFACE
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;;
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dhclient)
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${MOCK} kill -9 $(cat /var/run/dhclient.$IFACE.pid) 2>/dev/null
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;;
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udhcpc)
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${MOCK} kill $(cat /var/run/udhcpc.$IFACE.pid)
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;;
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*)
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;;
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esac
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}
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impl=$(determine_implementation)
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[ -z "$VERBOSE" ] || set -x
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case "$PHASE" in
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up) start $impl ;;
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down) stop $impl ;;
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*) ;;
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esac
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