Add buildroot 2018-02

buildroot/package/sudo/Config.in

@@ -0,0 +1,11 @@
+config BR2_PACKAGE_SUDO
+	bool "sudo"
+	# uses fork()
+	depends on BR2_USE_MMU
+	help
+	  Sudo is a program designed to allow a sysadmin to give
+	  limited root privileges to users and log root activity. The
+	  basic philosophy is to give as few privileges as possible
+	  but still allow people to get their work done.
+
+	  http://www.sudo.ws/sudo/

buildroot/package/sudo/sudo.hash

@@ -0,0 +1,2 @@
+# From: http://www.sudo.ws/download.html
+sha256 74c5746cd33a814e2431c39faf0d76f7f8a697379bd073862e3b156cf0d76368  sudo-1.8.21p2.tar.gz

buildroot/package/sudo/sudo.mk

@@ -0,0 +1,67 @@
+################################################################################
+#
+# sudo
+#
+################################################################################
+
+SUDO_VERSION = 1.8.21p2
+SUDO_SITE = https://www.sudo.ws/sudo/dist
+SUDO_LICENSE = ISC, BSD-3-Clause
+SUDO_LICENSE_FILES = doc/LICENSE
+# This is to avoid sudo's make install from chown()ing files which fails
+SUDO_INSTALL_TARGET_OPTS = INSTALL_OWNER="" DESTDIR="$(TARGET_DIR)" install
+SUDO_CONF_OPTS = \
+	--without-lecture \
+	--without-sendmail \
+	--without-umask \
+	--with-logging=syslog \
+	--without-interfaces \
+	--with-env-editor
+
+ifeq ($(BR2_PACKAGE_LINUX_PAM),y)
+define SUDO_INSTALL_PAM_CONF
+	$(INSTALL) -D -m 0644 package/sudo/sudo.pam $(TARGET_DIR)/etc/pam.d/sudo
+endef
+
+SUDO_DEPENDENCIES += linux-pam
+SUDO_CONF_OPTS += --with-pam
+SUDO_POST_INSTALL_TARGET_HOOKS += SUDO_INSTALL_PAM_CONF
+else
+SUDO_CONF_OPTS += --without-pam
+endif
+
+ifeq ($(BR2_PACKAGE_ZLIB),y)
+SUDO_CONF_OPTS += --enable-zlib
+SUDO_DEPENDENCIES += zlib
+else
+SUDO_CONF_OPTS += --disable-zlib
+endif
+
+ifeq ($(BR2_PACKAGE_OPENLDAP),y)
+SUDO_DEPENDENCIES += openldap
+SUDO_CONF_OPTS += --with-ldap
+# If we are building sudo statically and openldap was linked with openssl, then
+# when we link sudo with openldap we need to specify the openssl libs, otherwise
+# it will fail with "undefined reference" errors.
+ifeq ($(BR2_STATIC_LIBS)$(BR2_PACKAGE_OPENSSL),yy)
+SUDO_DEPENDENCIES += host-pkgconf
+SUDO_CONF_ENV = LIBS="`$(PKG_CONFIG_HOST_BINARY) --libs libssl libcrypto`"
+endif
+else
+SUDO_CONF_OPTS += --without-ldap
+endif
+
+# mksigname/mksiglist needs to run on build host to generate source files
+define SUDO_BUILD_MKSIGNAME_MKSIGLIST_HOST
+	$(MAKE) $(HOST_CONFIGURE_OPTS) \
+		CPPFLAGS="$(HOST_CPPFLAGS) -I../../include -I../.." \
+		-C $(@D)/lib/util mksigname mksiglist
+endef
+
+SUDO_POST_CONFIGURE_HOOKS += SUDO_BUILD_MKSIGNAME_MKSIGLIST_HOST
+
+define SUDO_PERMISSIONS
+	/usr/bin/sudo f 4755 0 0 - - - - -
+endef
+
+$(eval $(autotools-package))

buildroot/package/sudo/sudo.pam

@@ -0,0 +1,12 @@
+auth        sufficient   pam_rootok.so
+auth        required     pam_wheel.so use_uid
+auth        required     pam_env.so
+auth        required     pam_unix.so nullok
+
+account     required     pam_unix.so
+
+password    required     pam_unix.so nullok
+
+session     required     pam_limits.so
+session     required     pam_env.so
+session     required     pam_unix.so