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util-linux: add selinux support

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This patch adds optional libselinux support to the util-linux package,
and also tweaks the PAM files instealled by util-linux to work properly
in an SELinux context.

Like was done for linux-pam, the tweak is done by having the SELinux
related lines commented out in the original PAM file, and uncommented
when SELinux support is enabled.

Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Clayton Shotwell <clayton.shotwell@rockwellcollins.com>
Reviewed-by: Samuel Martin <s.martin49@gmail.com>
Signed-off-by: Niranjan Reddy <niranjan.reddy@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Tested-by: Bryce Ferguson <bryce.ferguson@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Matt Weber 2016-12-06 21:27:04 +01:00 committed by Thomas Petazzoni
parent be9157e1c0
commit 373b7efdb3
2 changed files with 16 additions and 0 deletions
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2
package/util-linux/su.pam
View File

@ -7,7 +7,9 @@ account required pam_unix.so
password required pam_unix.so nullok
# session required pam_selinux.so close
session required pam_limits.so
session required pam_env.so
session required pam_unix.so
session optional pam_lastlog.so
# session required pam_selinux.so open

14
package/util-linux/util-linux.mk
View File

@ -75,6 +75,19 @@ endif
UTIL_LINUX_CONF_ENV += LIBS="$(UTIL_LINUX_LIBS)"
UTIL_LINUX_MAKE_OPTS += LIBS="$(UTIL_LINUX_LIBS)"
ifeq ($(BR2_PACKAGE_LIBSELINUX),y)
UTIL_LINUX_DEPENDENCIES += libselinux
UTIL_LINUX_CONF_OPTS += --with-selinux
define UTIL_LINUX_SELINUX_PAMFILES_TWEAK
$(foreach f,su su-l,
$(SED) 's/^# \(.*pam_selinux.so.*\)$$/\1/' \
$(TARGET_DIR)/etc/pam.d/$(f)
)
endef
else
UTIL_LINUX_CONF_OPTS += --without-selinux
endif
# Used by cramfs utils
UTIL_LINUX_DEPENDENCIES += $(if $(BR2_PACKAGE_ZLIB),zlib)
@ -192,6 +205,7 @@ define UTIL_LINUX_INSTALL_PAMFILES
$(TARGET_DIR)/etc/pam.d/su
$(INSTALL) -m 0644 package/util-linux/su.pam \
$(TARGET_DIR)/etc/pam.d/su-l
$(UTIL_LINUX_SELINUX_PAMFILES_TWEAK)
endef
endif