Rules.modular

########################################
#
# Rules and Targets for building modular policies
#

ALL_MODULES := $(filter $(BASE_MODS) $(MOD_MODS),$(DETECTED_MODS))
ALL_INTERFACES := $(ALL_MODULES:.te=.if)

BASE_PKG := base.pp
BASE_FC := base.fc

BASE_SECTIONS := tmp/pre_te_files.conf tmp/generated_definitions.conf tmp/all_interfaces.conf tmp/all_attrs_types.conf $(GLOBALBOOL) $(GLOBALTUN) tmp/only_te_rules.conf tmp/all_post.conf

BASE_PRE_TE_FILES := $(SECCLASS) $(ISIDS) $(AVS) $(M4SUPPORT) $(POLDIR)/mls $(POLDIR)/mcs
BASE_TE_FILES := $(BASE_MODS)
BASE_POST_TE_FILES := $(POLDIR)/systemuser $(POLDIR)/constraints
BASE_FC_FILES := $(BASE_MODS:.te=.fc)

MOD_MODULES := $(MOD_MODS:.te=.mod)
MOD_PKGS := $(notdir $(MOD_MODS:.te=.pp))

# search layer dirs for source files
vpath %.te $(ALL_LAYERS)
vpath %.if $(ALL_LAYERS)
vpath %.fc $(ALL_LAYERS)

########################################
#
# default action: create all module packages
#
default: base

base: $(BASE_PKG)

modules: $(MOD_PKGS)

#policy: $(POLVER)
#install: $(LOADPATH) $(FCPATH) $(APPFILES) $(USERPATH)/local.users
#load: tmp/load

########################################
#
# Create a base module package
#
$(BASE_PKG): tmp/base.mod $(BASE_FC)
	@echo "Creating $(NAME) base module package"
	$(QUIET) $(SEMOD_PKG) $@ $^

########################################
#
# Compile a base module
#
tmp/base.mod: base.conf
	@echo "Compiling $(NAME) base module"
	$(QUIET) $(CHECKMODULE) $^ -o $@

########################################
#
# Construct a base module policy.conf
#
base.conf: $(BASE_SECTIONS)
	@echo "Creating $(NAME) base module policy.conf"
# checkpolicy can use the #line directives provided by -s for error reporting:
	$(QUIET) m4 -D self_contained_policy $(M4PARAM) -s $^ > tmp/$@.tmp
	$(QUIET) sed -e /^portcon/d -e /^nodecon/d -e /^netifcon/d < tmp/$@.tmp > $@
# 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: $(BASE_PRE_TE_FILES)
	@test -d tmp || mkdir -p tmp
	$(QUIET) cat $^ > $@

tmp/generated_definitions.conf: $(ALL_LAYERS) $(BASE_TE_FILES)
	@test -d tmp || mkdir -p tmp
# define all available object classes
	$(QUIET) $(GENPERM) $(AVS) $(SECCLASS) > $@
# per-userdomain templates
	$(QUIET) echo "define(\`per_userdomain_templates',\`" >> $@
	$(QUIET) for i in $(patsubst %.te,%,$(notdir $(ALL_MODULES))); do \
		echo "ifdef(\`""$$i""_per_userdomain_template',\`""$$i""_per_userdomain_template("'$$*'")')" \
			>> $@ ;\
	done
	$(QUIET) echo "')" >> $@
# define foo.te
	$(QUIET) for i in $(notdir $(BASE_TE_FILES)); do \
		echo "define(\`$$i')" >> $@ ;\
	done
	$(QUIET) $(SETTUN) $(BOOLEANS) >> $@

tmp/all_interfaces.conf: $(M4SUPPORT) $(ALL_INTERFACES)
ifeq ($(ALL_INTERFACES),)
	$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
	@test -d tmp || mkdir -p tmp
	$(QUIET) m4 $^ | sed -e s/dollarsstar/\$$\*/g > $@

tmp/all_te_files.conf: $(BASE_TE_FILES)
ifeq ($(BASE_TE_FILES),)
	$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
	@test -d tmp || mkdir -p tmp
	$(QUIET) cat $^ > $@

tmp/post_te_files.conf: $(BASE_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 '^sid ' tmp/all_te_files.conf >> tmp/all_post.conf || true
	$(QUIET) egrep '^fs_use_(xattr|task|trans)' tmp/all_te_files.conf >> tmp/all_post.conf || true
	$(QUIET) grep ^genfscon tmp/all_te_files.conf >> tmp/all_post.conf || true
	$(QUIET) sed -r -e /^attribute/d -e '/^type /d' -e /^genfscon/d \
			-e '/^sid /d' -e '/^fs_use_(xattr|task|trans)/d' \
			< tmp/all_te_files.conf > tmp/only_te_rules.conf

########################################
#
# Construct base module file contexts
#
$(BASE_FC): $(M4SUPPORT) tmp/generated_definitions.conf $(BASE_FC_FILES) $(FCSORT)
ifeq ($(BASE_FC_FILES),)
	$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
	@echo "Creating $(NAME) base module file contexts."
	@test -d tmp || mkdir -p tmp
	$(QUIET) m4 $(M4PARAM) $(M4SUPPORT) tmp/generated_definitions.conf $(BASE_FC_FILES) > tmp/$@.tmp
	$(QUIET) grep -e HOME -e ROLE tmp/$@.tmp > $(HOMEDIR_TEMPLATE)
	$(QUIET) sed -i -e /HOME/d -e /ROLE/d tmp/$@.tmp
	$(QUIET) $(FCSORT) tmp/$@.tmp $@

########################################
#
# Build module packages
#
tmp/%.mod: $(M4SUPPORT) tmp/generated_definitions.conf tmp/all_interfaces.conf %.te
	@if test -z "$(filter $^,$(MOD_MODS))"; then \
		echo "The $(notdir $(basename $@)) module is not configured to be compiled as a lodable module." ;\
		false ;\
	fi
	@echo "Compliling $(NAME) $(@F) module"
	$(QUIET) m4 $(M4PARAM) -s $^ > $(@:.mod=.tmp)
	$(QUIET) $(CHECKMODULE) -m $(@:.mod=.tmp) -o $@

%.pp: tmp/%.mod %.fc
	@echo "Creating $(NAME) $(@F) policy package"
	$(QUIET) $(SEMOD_PKG) $@ $^

########################################
#
# Clean the sources
#
clean:
	rm -fR tmp
	rm -f base.conf
	rm -f *.pp
	rm -f $(BASE_FC)

.PHONY: default base modules clean