system/sudo: add PAM-enabled sudo

system/sudo/APKBUILD

+# Contributor: Sören Tempel <soeren+alpine@soeren-tempel.net>
+# Contributor: Łukasz Jendrysik <scadu@yandex.com>
+# Maintainer: Natanael Copa <ncopa@alpinelinux.org>
+pkgname=sudo
+pkgver=1.8.21_p2
+if [ "${pkgver%_*}" != "$pkgver" ]; then
+	_realver=${pkgver%_*}${pkgver#*_}
+else
+	_realver=$pkgver
+fi
+pkgrel=1
+pkgdesc="Give certain users the ability to run some commands as root"
+url="http://www.sudo.ws/sudo/"
+arch="all"
+license="custom ISC"
+makedepends_host="linux-pam-dev zlib-dev"
+makedepends_build="bash"
+makedepends="$makedepends_host $makedepends_build"
+depends=
+subpackages="$pkgname-doc $pkgname-dev"
+source="https://www.sudo.ws/dist/sudo-${_realver}.tar.gz
+	fix-cross-compile.patch
+	libcrypt.patch
+	musl-fix-headers.patch
+	"
+options="suid"
+
+# secfixes:
+#   1.8.20_p2-r0:
+#   - CVE-2017-1000368
+
+builddir="$srcdir"/$pkgname-$_realver
+build() {
+	cd "$builddir"
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--libexecdir=/usr/lib \
+		--mandir=/usr/share/man \
+		--disable-nls \
+		--enable-pie \
+		--with-env-editor \
+		--with-pam \
+		--without-skey \
+		--with-passprompt="[sudo] password for %p: "
+	make
+}
+
+check() {
+	cd "$builddir"
+	make check
+}
+
+package() {
+	cd "$builddir"
+	# the sudo's mkinstalldir script miscreates the leading
+	# path components with bad permissions. fix this.
+	install -d -m0755 "$pkgdir"/var "$pkgdir"/var/db
+	make -j1 DESTDIR="$pkgdir" install
+	rm -rf "$pkgdir"/var/run
+}
+
+sha512sums="f04bbff54ad74ba73c078e15c75d2f41332d4912078ed66157ba7346b7fff914bd0747460cb4cd0c472af2d3b344fa72f5c62c95169df68a9cac74d7245c720c  sudo-1.8.21p2.tar.gz
+f0f462f40502da2194310fe4a72ec1a16ba40f95a821ba9aa6aabaa423d28c4ab26b684afa7fb81c2407cf60de9327bdab01de51b878c5d4de49b0d62645f53c  fix-cross-compile.patch
+5ad20254aa587ef615f794081ecd55344eada5cf8c1a1d7956cc3f73375554716c483eeb74081da9a8501afce92cfbaf2abe59d1067aac67ce6e4874eb5a23e1  libcrypt.patch
+113416fed7532c6092687c8bdd9913d04888d2f0a32e4333dd27a6b3d39145717ad5c3b3f05ba11bd6462612a9a013d446d254d50b2b651c33eeebe670f41ab5  musl-fix-headers.patch"

system/sudo/fix-cross-compile.patch

+--- ./lib/util/Makefile.in.orig
++++ ./lib/util/Makefile.in
+@@ -160,10 +160,10 @@
+ 	./mksigname > $@
+ 
+ mksiglist: $(srcdir)/mksiglist.c $(srcdir)/mksiglist.h $(incdir)/sudo_compat.h $(top_builddir)/config.h
+-	$(CC) $(CPPFLAGS) $(CFLAGS) $(srcdir)/mksiglist.c -o $@
++	$${HOSTCC:-gcc} $(CPPFLAGS) $(CFLAGS) $(srcdir)/mksiglist.c -o $@
+ 
+ mksigname: $(srcdir)/mksigname.c $(srcdir)/mksigname.h $(incdir)/sudo_compat.h $(top_builddir)/config.h
+-	$(CC) $(CPPFLAGS) $(CFLAGS) $(srcdir)/mksigname.c -o $@
++	$${HOSTCC:-gcc} $(CPPFLAGS) $(CFLAGS) $(srcdir)/mksigname.c -o $@
+ 
+ $(srcdir)/mksiglist.h: $(srcdir)/siglist.in
+ 	@if [ -n "$(DEVEL)" ]; then \

system/sudo/libcrypt.patch

+--- ./plugins/sudoers/Makefile.in.orig
++++ ./plugins/sudoers/Makefile.in
+@@ -52,7 +52,7 @@
+ LT_LIBS = $(top_builddir)/lib/util/libsudo_util.la
+ LIBS = $(LT_LIBS) @LIBINTL@
+ NET_LIBS = @NET_LIBS@
+-SUDOERS_LIBS = @SUDOERS_LIBS@ @AFS_LIBS@ @GETGROUPS_LIB@ $(LIBS) $(NET_LIBS) @ZLIB@ @LIBMD@
++SUDOERS_LIBS = @SUDOERS_LIBS@ @AFS_LIBS@ @GETGROUPS_LIB@ $(LIBS) $(NET_LIBS) @ZLIB@ @LIBMD@ -lcrypt
+ REPLAY_LIBS = @REPLAY_LIBS@ @ZLIB@
+ VISUDO_LIBS = $(NET_LIBS) @LIBMD@
+ TESTSUDOERS_LIBS = $(NET_LIBS) @LIBMD@

system/sudo/musl-fix-headers.patch

+--- ./include/sudo_compat.h.orig
++++ ./include/sudo_compat.h
+@@ -25,6 +25,7 @@
+ #include <stdio.h>
+ #include <stdarg.h>
+ #include <stddef.h>	/* for rsize_t */
++#include <sys/types.h> /* for id_t */
+ 
+ /*
+  * Macros and functions that may be missing on some operating systems.