driver: add new allowedip flag

This also involves bumping wireguard-tools so that wg.exe is up to date.

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

Author: zx2c4

build.bat

@@ -20,7 +20,7 @@ if exist .deps\prepared goto :render
 	call :download imagemagick.zip https://download.wireguard.com/windows-toolchain/distfiles/ImageMagick-7.0.8-42-portable-Q16-x64.zip 584e069f56456ce7dde40220948ff9568ac810688c892c5dfb7f6db902aa05aa "convert.exe colors.xml delegates.xml" || goto :error
 	rem Mirror of https://sourceforge.net/projects/ezwinports/files/make-4.2.1-without-guile-w32-bin.zip
 	call :download make.zip https://download.wireguard.com/windows-toolchain/distfiles/make-4.2.1-without-guile-w32-bin.zip 30641be9602712be76212b99df7209f4f8f518ba764cf564262bc9d6e4047cc7 "--strip-components 1 bin" || goto :error
-	call :download wireguard-tools.zip https://git.zx2c4.com/wireguard-tools/snapshot/wireguard-tools-997ffa0c89b4a6a3998325ceeb55588bb0cf8017.zip fb69747d1ea09d44ad686f5bd8df4d2d2a698822c06c6921058ae7dd3390fb7e "--exclude wg-quick --strip-components 1" || goto :error
+	call :download wireguard-tools.zip https://git.zx2c4.com/wireguard-tools/snapshot/wireguard-tools-06a99cce2c9998f53eb30d2f258a9e5ff286445b.zip b7a73e027cee3127f3cccba8ad3a08ea61ccd42d3ea5c28c548a8e0ec9e10cf6 "--exclude wg-quick --strip-components 1" || goto :error
 	call :download wireguard-nt.zip https://download.wireguard.com/wireguard-nt/wireguard-nt-0.10.1.zip 772c0b1463d8d2212716f43f06f4594d880dea4f735165bd68e388fc41b81605 || goto :error
 	copy /y NUL prepared > NUL || goto :error
 	cd .. || goto :error

driver/configuration_windows.go

@@ -20,11 +20,17 @@ const (
 	AdapterStateUp   AdapterState = 1
 )
 
+type AllowedIpFlag uint32
+
+const (
+	AllowedIpRemove AllowedIpFlag = 1 << 0
+)
+
 type AllowedIP struct {
 	Address       [16]byte
 	AddressFamily winipcfg.AddressFamily
 	Cidr          uint8
-	_             [4]byte
+	Flags         AllowedIpFlag
 }
 
 type PeerFlag uint32