#

# Makefile for the security policy.

#

# Targets:

# 

# install       - compile and install the policy configuration, and context files.

# load          - compile, install, and load the policy configuration.

# reload        - compile, install, and load/reload the policy configuration.

# relabel       - relabel filesystems based on the file contexts configuration.

# checklabels   - check filesystems against the file context configuration

# restorelabels - check filesystems against the file context configuration

#                 and restore the label of files with incorrect labels

# policy        - compile the policy configuration locally for testing/development.

#

# The default target is 'policy'.

#

########################################

#

# Configurable portions of the Makefile

#

# Build compatibility policies 

POLICYCOMPAT = -c 18

# set distribution

#override M4PARAM += -D distro_redhat

# Uncomment this to disable command echoing

#QUIET:=@

########################################

#

# Invariant portions of the Makefile

#

# executable paths

PREFIX := /usr

BINDIR := $(PREFIX)/bin

SBINDIR := $(PREFIX)/sbin

CHECKPOLICY := $(BINDIR)/checkpolicy

SETFILES := $(SBINDIR)/setfiles

# determine the policy version and current kernel version if possible

PV := $(shell $(CHECKPOLICY) $(POLICYCOMPAT) -V |cut -f 1 -d ' ')

KV := $(shell cat /selinux/policyvers)

# dont print version warnings if we are unable to determine

# the currently running kernel's policy version

ifeq ($(KV),)

KV := $(PV)

endif

FC := file_contexts

POLVER := policy.$(PV)

TYPE := strict

# install paths

TOPDIR = $(DESTDIR)/etc/selinux

INSTALLDIR = $(TOPDIR)/$(TYPE)

POLICYPATH = $(INSTALLDIR)/policy

SRCPATH = $(INSTALLDIR)/src

USERPATH = $(INSTALLDIR)/users

CONTEXTPATH = $(INSTALLDIR)/contexts

LOADPATH = $(POLICYPATH)/$(POLVER)

FCPATH = $(CONTEXTPATH)/files/file_contexts

HOMEDIRPATH = $(CONTEXTPATH)/files/homedir_template

BASE_MODULE = kernel

FLASKDIR = $(BASE_MODULE)/flask/

MISCDIR = $(BASE_MODULE)/misc/

DETECTED_DIRS := $(shell find $(wildcard *) -maxdepth 0 -type d)

ALL_MODULES := $(filter-out tmp,$(DETECTED_DIRS))

PRE_TE_FILES := $(addprefix $(FLASKDIR),security_classes initial_sids access_vectors)

ALL_INTERFACES := $(foreach dir,$(ALL_MODULES),$(wildcard $(dir)/*.if))

ALL_TE_FILES := $(foreach dir,$(ALL_MODULES),$(wildcard $(dir)/*.te))

POST_TE_FILES := $(addprefix $(MISCDIR),users constraints mls initial_sid_contexts fs_use)

ALL_FC_FILES := $(foreach dir,$(ALL_MODULES),$(wildcard $(dir)/*.fc))

POLICY_SECTIONS := tmp/pre_te_files.conf tmp/generated_definitions.conf tmp/all_interfaces.conf tmp/all_attrs_types.conf tmp/only_te_rules.conf tmp/all_post.conf

override M4PARAM += -D monolithic_policy

########################################

#

# default action: build policy locally

#

default: policy

policy: $(POLVER)

install: $(LOADPATH)

########################################

#

# Build a binary policy locally

#

$(POLVER): policy.conf

ifneq ($(PV),$(KV))

	@echo

	@echo "WARNING: Policy version mismatch!  Is your POLICYCOMPAT set correctly?"

	@echo

endif

	$(QUIET) $(CHECKPOLICY) $(POLICYCOMPAT) $^ -o $(POLVER)

########################################

#

# Install a binary policy

#

$(LOADPATH): policy.conf

	@mkdir -p $(POLICYPATH)

ifneq ($(PV),$(KV))

	@echo

	@echo "WARNING: Policy version mismatch!  Is your POLICYCOMPAT set correctly?"

	@echo

endif

	$(QUIET) $(CHECKPOLICY) $(POLICYCOMPAT) $^ -o $(LOADPATH)

########################################

#

# Load the binary policy

#

reload tmp/load: $(LOADPATH) $(FCPATH)

	$(QUIET) $(LOADPOLICY) -q $(LOADPATH)

	@touch tmp/load

load: tmp/load

########################################

#

# Construct a monolithic policy.conf

#

policy.conf: $(POLICY_SECTIONS)

	$(QUIET) # checkpolicy can use the #line directives provided by m4 -s

	$(QUIET) # for error reporting:

	$(QUIET) m4 $(M4PARAM) -s $^ > tmp/$@.tmp

	$(QUIET) sed -e /^portcon/d -e /^nodecon/d -e /^netifcon/d < tmp/$@.tmp > $@

	$(QUIET) # the ordering of these ocontexts matters:

	$(QUIET) grep ^portcon tmp/$@.tmp >> $@ || true

	$(QUIET) grep ^netifcon tmp/$@.tmp >> $@ || true

	$(QUIET) grep ^nodecon tmp/$@.tmp >> $@ || true

tmp/pre_te_files.conf: $(PRE_TE_FILES)

	@test -d tmp || mkdir -p tmp

	$(QUIET) cat $^ > $@

tmp/generated_definitions.conf: $(ALL_MODULES) $(ALL_TE_FILES) $(BASE_MODULE)/corenetwork.if $(BASE_MODULE)/corenetwork.te

	@test -d tmp || mkdir -p tmp

	$(QUIET) echo "define(\`per_userdomain_templates',\`" > $@

	$(QUIET) for i in $(patsubst %.te,%,$(notdir $(ALL_TE_FILES))); do \

		echo "ifdef(\`""$$i""_per_userdomain_template',\`""$$i""_per_userdomain_template("'$$1'")')" \

			>> $@ ;\

	done

	$(QUIET) echo "')" >> $@

	$(QUIET) for i in $(notdir $(ALL_TE_FILES)); do \

		echo "define(\`$$i')" >> $@ ;\

	done

	$(QUIET) m4 $(M4PARAM) -D interface_pass $(BASE_MODULE)/global.if $(BASE_MODULE)/corenetwork.if $(BASE_MODULE)/corenetwork.te \

		| sed -e 's/dollarsone/\$$1/g' -e 's/dollarszero/\$$0/g' >> $@

tmp/all_interfaces.conf: $(ALL_INTERFACES)

	@test -d tmp || mkdir -p tmp

	$(QUIET) cat $^ > $@

tmp/all_te_files.conf: $(ALL_TE_FILES)

	@test -d tmp || mkdir -p tmp

	$(QUIET) cat $^ > $@

tmp/post_te_files.conf: $(POST_TE_FILES)

	@test -d tmp || mkdir -p tmp

	$(QUIET) cat $^ > $@

# extract attributes and put them first. extract post te stuff

# like genfscon and put last.  portcon, nodecon, and netifcon

# is delayed since they are generated by m4

tmp/all_attrs_types.conf tmp/only_te_rules.conf tmp/all_post.conf: tmp/all_te_files.conf tmp/post_te_files.conf

	$(QUIET) grep ^attribute tmp/all_te_files.conf > tmp/all_attrs_types.conf || true

	$(QUIET) grep '^type ' tmp/all_te_files.conf >> tmp/all_attrs_types.conf

	$(QUIET) cat tmp/post_te_files.conf > tmp/all_post.conf

	$(QUIET) grep ^genfscon tmp/all_te_files.conf >> tmp/all_post.conf || true

	$(QUIET) sed -e /^attribute/d -e '/^type /d' -e /^genfscon/d < tmp/all_te_files.conf > tmp/only_te_rules.conf

########################################

#

# Remove the dontaudit rules from the policy.conf

#

enableaudit: policy.conf

	@test -d tmp || mkdir -p tmp

	@echo "Removing dontaudit rules from policy.conf"

	$(QUIET) grep -v dontaudit policy.conf > tmp/policy.audit

	$(QUIET) mv tmp/policy.audit policy.conf

########################################

#

# Construct file_contexts

#

$(FC): kernel/global.if $(ALL_FC_FILES)

	@test -d tmp || mkdir -p tmp

	$(QUIET) m4 $(M4PARAM) $^ > $@

########################################

#

# Filesystem labeling

#

FILESYSTEMS := `mount | grep -v "context=" | egrep -v '\((|.*,)bind(,.*|)\)' | awk '/(ext[23]| xfs| jfs).*rw/{print $$3}';`

checklabels: $(FC) $(SETFILES)

	@if test -z "$(FILESYSTEMS)"; then \

		echo "No filesystems with extended attributes found!" ;\

		false ;\

	fi

	$(QUIET) $(SETFILES) -v -n $(FC) $(FILESYSTEMS)

restorelabels: $(FC) $(SETFILES)

	@if test -z "$(FILESYSTEMS)"; then \

		echo "No filesystems with extended attributes found!" ;\

		false ;\

	fi

	$(QUIET) $(SETFILES) -v $(FC) $(FILESYSTEMS)

relabel:  $(FC) $(SETFILES)

	@if test -z "$(FILESYSTEMS)"; then \

		echo "No filesystems with extended attributes found!" ;\

		false ;\

	fi

	$(QUIET) $(SETFILES) $(FC) $(FILESYSTEMS)

########################################

#

# Documentation generation

#

xml: policy.xml

policy.xml: $(ALL_INTERFACES) tmp/generated_definitions.conf

	echo "<policy>" > $@

	grep -h -E "^##[[:space:]]" $^ | sed -e 's/^##[[:space:]]//g' >> $@

	echo "</policy>" >> $@

clean:

	rm -fR tmp

	rm -f policy.xml

	rm -f policy.conf

	rm -f policy.$(PV)

	rm -f $(FC)

.PHONY: default clean policy install