[Buildroot] [PATCH v5 10/24] linux-pam: selinux support
Clayton Shotwell
clayton.shotwell at rockwellcollins.com
Wed May 13 21:39:23 UTC 2015
From: Matt Weber <matthew.weber at rockwellcollins.com>
Signed-off-by: Matthew Weber <matthew.weber at rockwellcollins.com>
---
Changes v4 -> v5:
- Dropping unneeded patch (Clayton S.)
Changes v1 -> v4:
- Did not exist
---
package/linux-pam/linux-pam.mk | 58 +++++++++++++++++++++++++++++++++++++-
package/linux-pam/system-auth.pamd | 15 ++++++++++
2 files changed, 72 insertions(+), 1 deletion(-)
create mode 100644 package/linux-pam/system-auth.pamd
diff --git a/package/linux-pam/linux-pam.mk b/package/linux-pam/linux-pam.mk
index 26b627e..8a28f78 100644
--- a/package/linux-pam/linux-pam.mk
+++ b/package/linux-pam/linux-pam.mk
@@ -8,6 +8,9 @@ LINUX_PAM_VERSION = 1.1.8
LINUX_PAM_SOURCE = Linux-PAM-$(LINUX_PAM_VERSION).tar.bz2
LINUX_PAM_SITE = http://linux-pam.org/library
LINUX_PAM_INSTALL_STAGING = YES
+
+# lckpwdf is included with shadow
+# cracklib and libdb are not currently present in buildroot
LINUX_PAM_CONF_OPTS = \
--disable-prelude \
--disable-isadir \
@@ -15,8 +18,10 @@ LINUX_PAM_CONF_OPTS = \
--disable-db \
--disable-regenerate-docu \
--enable-securedir=/lib/security \
+ --disable-cracklib \
--libdir=/lib
-LINUX_PAM_DEPENDENCIES = flex host-flex host-pkgconf
+
+LINUX_PAM_DEPENDENCIES = flex host-flex host-pkgconf host-linux-pam
LINUX_PAM_AUTORECONF = YES
LINUX_PAM_LICENSE = BSD-3c
LINUX_PAM_LICENSE_FILES = Copyright
@@ -26,12 +31,63 @@ LINUX_PAM_DEPENDENCIES += gettext
LINUX_PAM_MAKE_OPTS += LIBS=-lintl
endif
+ifeq ($(BR2_PACKAGE_LIBSELINUX),y)
+ LINUX_PAM_CONF_OPTS += --enable-selinux
+ LINUX_PAM_DEPENDENCIES += libselinux
+else
+ LINUX_PAM_CONF_OPTS += --disable-selinux
+endif
+
+ifeq ($(BR2_PACKAGE_AUDIT),y)
+ LINUX_PAM_CONF_OPTS += --enable-audit
+ LINUX_PAM_DEPENDENCIES += audit
+else
+ LINUX_PAM_CONF_OPTS += --disable-audit
+endif
+
# Install default pam config (deny everything)
define LINUX_PAM_INSTALL_CONFIG
$(INSTALL) -m 0644 -D package/linux-pam/other.pam \
$(TARGET_DIR)/etc/pam.d/other
endef
+# Use the host-pam pam_conv1 app to create the pam.d files
+define LINUX_PAM_CONFIG_FILE_TARGET_INSTALL
+ ( \
+ if [ -d $(TARGET_DIR)/etc/pam.d/ ]; then \
+ mv $(TARGET_DIR)/etc/pam.d/ $(TARGET_DIR)/etc/pam.d.orig/; \
+ fi; \
+ cd $(TARGET_DIR)/etc/ && \
+ cat $(@D)/conf/pam.conf | $(HOST_DIR)/usr/bin/pam_conv1; \
+ if [ -d pam.d.orig ]; then \
+ cp -a pam.d/* pam.d.orig/; \
+ rm -rf pam.d/; \
+ mv pam.d.orig/ pam.d/; \
+ fi; \
+ )
+ $(INSTALL) -D -m 0644 package/linux-pam/system-auth.pamd $(TARGET_DIR)/etc/pam.d/system-auth
+endef
+
+LINUX_PAM_POST_INSTALL_TARGET_HOOKS += LINUX_PAM_CONFIG_FILE_TARGET_INSTALL
LINUX_PAM_POST_INSTALL_TARGET_HOOKS += LINUX_PAM_INSTALL_CONFIG
+HOST_LINUX_PAM_DEPENDENCIES = host-autoconf host-flex
+
+HOST_LINUX_PAM_CONF_OPTS = --disable-rpath \
+ --enable-read-both-confs \
+ --disable-regenerate-docu \
+ --disable-isadir \
+ --disable-nis \
+ --enable-securedir=/lib/security \
+ --disable-prelude \
+ --disable-cracklib \
+ --disable-lckpwdf \
+ --enable-db=no \
+ --disable-selinux \
+ --disable-audit \
+
+define HOST_LINUX_PAM_INSTALL_CMDS
+ $(INSTALL) -m 755 $(@D)/conf/pam_conv1/pam_conv1 $(HOST_DIR)/usr/bin/
+endef
$(eval $(autotools-package))
+$(eval $(host-autotools-package))
diff --git a/package/linux-pam/system-auth.pamd b/package/linux-pam/system-auth.pamd
new file mode 100644
index 0000000..2fa116a
--- /dev/null
+++ b/package/linux-pam/system-auth.pamd
@@ -0,0 +1,15 @@
+#%PAM-1.0
+auth required pam_env.so
+auth sufficient pam_unix.so
+auth required pam_deny.so
+
+account required pam_unix.so
+
+#password required pam_cracklib.so try_first_pass retry=3
+password sufficient pam_unix.so md5 shadow try_first_pass
+password required pam_deny.so
+
+session optional pam_keyinit.so revoke
+session required pam_limits.so
+session [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid
+session required pam_unix.so
--
1.9.1
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