From 00a630fd346fd3694f8479949e31883e0dab729d Mon Sep 17 00:00:00 2001
From: Philippe PITTOLI <p.pittoli@unistra.fr>
Date: Sun, 13 Oct 2019 18:54:04 +0200
Subject: [PATCH] dhcpv6

---
 src/main.cr | 32 ++++++++++++++++++++++----------
 1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/src/main.cr b/src/main.cr
index 544478d..66741cd 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -183,6 +183,13 @@ class NetworkCommands
 				raise "(udhcpc) dhcp failed on #{ifname}"
 			end
 		end
+
+		def self.dhcp6(ifname : String)
+			# we suppose udhcpc6 installed along with udhcpc
+			unless Do.run("udhcpc6", [ ifname ]).success?
+				raise "(udhcpc6) dhcp failed on #{ifname}"
+			end
+		end
 	end
 
 	class DHClientCommand
@@ -191,6 +198,12 @@ class NetworkCommands
 				raise "(dhclient) dhcp failed on #{ifname}"
 			end
 		end
+
+		def self.dhcp6(ifname : String)
+			unless Do.run("dhclient", [ "-6", ifname ]).success?
+				raise "(dhclient) dhcp6 failed on #{ifname}"
+			end
+		end
 	end
 
 	class IfconfigCommand
@@ -367,6 +380,13 @@ class NetworkCommands
 
 	def self.autoconfiguration(ifname : String)
 		puts "TODO: IPv6 autoconfiguration setup"
+		puts "sysctl -w net.ipv6.conf.#{ifname}.autoconf=1"
+		puts "sysctl -w net.ipv6.conf.#{ifname}.accept_ra=1"
+	end
+
+	def self.dhcp6(ifname : String)
+		puts "TODO: dhcpv6"
+		@@cmd_dhcp_client.dhcp6 ifname
 	end
 
 	def self.wireless_connect_wpa_psk(ifname : String, ssid : String, passwd : String)
@@ -613,20 +633,15 @@ class InterfaceConfiguration
 
 		# ipv6 configuration
 		main_ip_v6.tap do |ip|
-			puts "CONFIGURATION IPV6"
-
 			case ip
 			when IPAddress
 				NetworkCommands.set_ip name, ip
-			# TODO
 			when Autoconfiguration
-				puts "CONFIGURATION IPV6 : autoconfiguration !!!"
 				NetworkCommands.autoconfiguration name
-			#when DHCP
-			#	NetworkCommands.dhcp6 name
+			when DHCP
+				NetworkCommands.dhcp6 name
 			when NotSetup
 				# do nothing
-				puts "CONFIGURATION IPV6 : not setup !!!"
 			else
 				raise "ipv6 configuration: neither static nor dynamic"
 			end
@@ -780,10 +795,7 @@ class NetworkConfigurationParser
 					next
 				end
 
-				# TODO
 				ipaddr = IPAddress.parse ipstr
-
-				# TODO
 				access_point = wireless_networks[ssid].not_nil!
 
 				if ipaddr.ipv4?