Factor out DHCP client support

Support for additional DHCP clients is now easy to add.

1 files changed, 28 insertions, 0 deletions

diff --git a/src/lib/dhcp/dhcpcd b/src/lib/dhcp/dhcpcd
new file mode 100644
index 0000000..42f33ef
--- /dev/null
+++ b/src/lib/dhcp/dhcpcd
@@ -0,0 +1,28 @@
+type dhcpcd &> /dev/null || return
+
+dhcpcd_start() {
+    if [[ $1 != "4" ]]; then
+        report_error "Using 'dhcpcd' for IPv6 is currently not possible in netctl"
+        return 1
+    fi
+    rm -f "/run/dhcpcd-$Interface".{pid,cache}
+    # If using own dns, tell dhcpcd to NOT replace resolv.conf
+    [[ $DNS ]] && DhcpcdOptions+=" -C resolv.conf"
+    do_debug dhcpcd -4qL -t "${TimeoutDHCP:-30}" $DhcpcdOptions "$Interface" |& report_debug "$(cat)"
+    # The first array value of PIPESTATUS is the exit status of dhcpcd
+    if (( PIPESTATUS != 0 )); then
+        report_error "DHCP IP lease attempt failed on interface '$Interface'"
+        return 1
+    fi
+}
+
+dhcpcd_stop() {
+    local stop="-x"
+    if [[ -f "/run/dhcpcd-$Interface.pid" ]]; then
+        is_yes "${DHCPReleaseOnStop:-no}" && stop="-k"
+        do_debug dhcpcd -q $stop "$Interface" > /dev/null
+    fi
+}
+
+
+# vim: ft=sh ts=4 et sw=4: