diff mbox

[Selinux,v10,10/11] util-linux: selinux, audit, and pam support

Message ID 1455603506-26138-10-git-send-email-niranjan.reddy@rockwellcollins.com
State Changes Requested
Headers show

Commit Message

niranjan.reddy Feb. 16, 2016, 6:18 a.m. UTC
From: Matt Weber <matthew.weber@rockwellcollins.com>

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>

---
Changes v9 -> v10:
  - No changes

Changes v8 -> v9:
  - No changes

Changes v7 -> v8:
  - No changes

Changes v6 -> v7:
  - No changes

Changes v5 -> v6:
  - No changes

Changes v4 -> v5:
 - Update the selinux busybox config to the latest version of busybox
    (Clayton S.)

Changes v1 -> v4:
  - Did not exist
---
 package/util-linux/util-linux.mk | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

Comments

Thomas Petazzoni Feb. 23, 2016, 10:07 p.m. UTC | #1
Dear Niranjan Reddy,

As usual, no commit log, even if some non-trivial things are happening
here. It is *really* important to explain what happens, otherwise
review is very difficult.

On Tue, 16 Feb 2016 11:48:25 +0530, Niranjan Reddy wrote:

> +ifeq ($(BR2_PACKAGE_LIBSELINUX),y)
> +UTIL_LINUX_DEPENDENCIES += libselinux
> +UTIL_LINUX_CONF_OPTS += --with-selinux
> +else
> +UTIL_LINUX_CONF_OPTS += --without-selinux
> +endif
> +
> +ifeq ($(BR2_PACKAGE_AUDIT),y)
> +UTIL_LINUX_DEPENDENCIES += audit
> +UTIL_LINUX_CONF_OPTS += --with-audit
> +else
> +UTIL_LINUX_CONF_OPTS += --without-audit
> +endif

This part is OK.

> +
>  # Used by cramfs utils
>  UTIL_LINUX_DEPENDENCIES += $(if $(BR2_PACKAGE_ZLIB),zlib)
>  
> @@ -159,9 +173,22 @@ define UTIL_LINUX_INSTALL_PAMFILES
>  	$(INSTALL) -m 0644 package/util-linux/su.pam \
>  		$(TARGET_DIR)/etc/pam.d/su-l
>  endef
> +
> +# Add the required hooks to the pam files if SELinux is enabled
> +ifeq ($(BR2_PACKAGE_LIBSELINUX),y)
> +define UTIL_LINUX_FIXUP_PAMFILES
> +	for file in login su su-l ; do \
> +		$(SED) '/selinux/d' $(TARGET_DIR)/etc/pam.d/$${file}; \
> +		$(SED) '0,/session/s/session/session		required	pam_selinux.so close\nsession/' $(TARGET_DIR)/etc/pam.d/$${file}; \
> +		echo "session		required	pam_selinux.so open" >> $(TARGET_DIR)/etc/pam.d/$${file}; \
> +	done

This *might* be OK, but I have to admit that the second SED expression
is somewhat convoluted, so it would be good to expand a bit the
explanation in the comment above.

Thanks!

Thomas
diff mbox

Patch

diff --git a/package/util-linux/util-linux.mk b/package/util-linux/util-linux.mk
index 7342174..0fa4eb2 100644
--- a/package/util-linux/util-linux.mk
+++ b/package/util-linux/util-linux.mk
@@ -58,6 +58,20 @@  ifeq ($(BR2_PACKAGE_LIBCAP_NG),y)
 UTIL_LINUX_DEPENDENCIES += libcap-ng
 endif
 
+ifeq ($(BR2_PACKAGE_LIBSELINUX),y)
+UTIL_LINUX_DEPENDENCIES += libselinux
+UTIL_LINUX_CONF_OPTS += --with-selinux
+else
+UTIL_LINUX_CONF_OPTS += --without-selinux
+endif
+
+ifeq ($(BR2_PACKAGE_AUDIT),y)
+UTIL_LINUX_DEPENDENCIES += audit
+UTIL_LINUX_CONF_OPTS += --with-audit
+else
+UTIL_LINUX_CONF_OPTS += --without-audit
+endif
+
 # Used by cramfs utils
 UTIL_LINUX_DEPENDENCIES += $(if $(BR2_PACKAGE_ZLIB),zlib)
 
@@ -159,9 +173,22 @@  define UTIL_LINUX_INSTALL_PAMFILES
 	$(INSTALL) -m 0644 package/util-linux/su.pam \
 		$(TARGET_DIR)/etc/pam.d/su-l
 endef
+
+# Add the required hooks to the pam files if SELinux is enabled
+ifeq ($(BR2_PACKAGE_LIBSELINUX),y)
+define UTIL_LINUX_FIXUP_PAMFILES
+	for file in login su su-l ; do \
+		$(SED) '/selinux/d' $(TARGET_DIR)/etc/pam.d/$${file}; \
+		$(SED) '0,/session/s/session/session		required	pam_selinux.so close\nsession/' $(TARGET_DIR)/etc/pam.d/$${file}; \
+		echo "session		required	pam_selinux.so open" >> $(TARGET_DIR)/etc/pam.d/$${file}; \
+	done
+endef
+endif
+
 endif
 
 UTIL_LINUX_POST_INSTALL_TARGET_HOOKS += UTIL_LINUX_INSTALL_PAMFILES
+UTIL_LINUX_POST_INSTALL_TARGET_HOOKS += UTIL_LINUX_FIXUP_PAMFILES
 
 # Install agetty->getty symlink to avoid breakage when there's no busybox
 ifeq ($(BR2_PACKAGE_UTIL_LINUX_AGETTY),y)