main/dhcp: fix permissions for lease file

fixes #224
(cherry picked from commit d42dbe6e)

main/dhcp/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=dhcp
 pkgver=4.1.0_p1
 _realver=4.1.0p1
-pkgrel=4
+pkgrel=5
 pkgdesc="ISC Dynamic Host Configuration Protocol (DHCP)"
 url="https://www.isc.org/"
 license="GPL"
@@ -12,13 +12,18 @@ install="dhcp.pre-install dhcp.post-install dhcp.pre-upgrade dhcp.post-upgrade"
 subpackages="$pkgname-doc $pkgname-dev dhclient"
 source="http://ftp.isc.org/isc/dhcp/$pkgname-$_realver.tar.gz
 	linux_ipv6_discover.patch
+	dhcp-3.0-fix-perms.patch
 	dhcpd.confd
 	dhcpd.initd"
 
-build() {
+prepare() {
 	cd "$srcdir/$pkgname-$_realver"
+	patch -p1 -i "$srcdir"/dhcp-3.0-fix-perms.patch || return 1
 	patch -p1 -i ../linux_ipv6_discover.patch || return 1
+}
 
+build() {
+	cd "$srcdir/$pkgname-$_realver"
 	./configure --prefix=/usr \
 		--sysconfdir=/etc/dhcp \
 		--with-cli-pid-file=/var/run/dhcp/dhclient.pid \
@@ -31,6 +36,10 @@ build() {
 		--mandir=/usr/share/man \
 		--infodir=/usr/share/info
 	make || return 1
+}
+
+package() {
+	cd "$srcdir/$pkgname-$_realver"
 	make DESTDIR="$pkgdir" install
 
 	install -m755 -D "$srcdir"/dhcpd.initd "$pkgdir"/etc/init.d/dhcpd
@@ -51,5 +60,6 @@ dhclient() {
 
 md5sums="325ff8338c5a21f89d5304ac13ffebdf  dhcp-4.1.0p1.tar.gz
 37abf1fb047a353e91b022fafdabf39a  linux_ipv6_discover.patch
+a9eaf182dae3984670da52f20ae10fba  dhcp-3.0-fix-perms.patch
 df32707f5bbe5363306420b5dc6e6b40  dhcpd.confd
 be2259371681bd4ab8a577b1b1a989ae  dhcpd.initd"

main/dhcp/dhcp-3.0-fix-perms.patch

+--- a/server/dhcpd.c	2003-11-05 14:08:09.000000000 -0800
++++ b/server/dhcpd.c	2003-11-05 14:15:32.000000000 -0800
+@@ -602,6 +602,12 @@
+ 	if (lftest)
+ 		exit (0);
+ 
++#if defined (PARANOIA)
++	/* Set proper permissions... */
++	if (lchown (path_dhcpd_db, set_uid, set_gid))
++		log_fatal ("lchown(%s, %d, %d): %m", path_dhcpd_db, (int) set_uid, (int) set_gid);
++#endif /* PARANOIA */
++
+ 	/* Discover all the network interfaces and initialize them. */
+ 	discover_interfaces (DISCOVER_SERVER);
+