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

ALL_MODULES := $(BASE_MODS) $(MOD_MODS) $(OFF_MODS)
ALL_INTERFACES := $(ALL_MODULES:.te=.if)

BASE_PKG := $(BUILDDIR)base.pp
BASE_FC := $(BUILDDIR)base.fc
BASE_CONF := $(BUILDDIR)base.conf
BASE_MOD := $(TMPDIR)/base.mod

USERS_EXTRA := $(TMPDIR)/users_extra

BASE_SECTIONS := $(TMPDIR)/pre_te_files.conf $(TMPDIR)/all_attrs_types.conf $(TMPDIR)/global_bools.conf $(TMPDIR)/only_te_rules.conf $(TMPDIR)/all_post.conf

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

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

# policy packages to install
INSTPKG := $(addprefix $(MODPKGDIR)/,$(notdir $(BASE_PKG)) $(MOD_PKGS))

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

# broken in make 3.81:
#.SECONDARY:

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

all policy: base modules

base: $(BASE_PKG)

modules: $(MOD_PKGS)

install: $(INSTPKG) $(APPFILES)

########################################
#
# Load all configured modules
#
load: $(INSTPKG) $(APPFILES)
	@echo "Loading configured modules."
	$(verbose) $(SEMODULE) -s $(NAME) -b $(MODPKGDIR)/$(notdir $(BASE_PKG)) $(foreach mod,$(MOD_PKGS),-i $(MODPKGDIR)/$(mod))

########################################
#
# Install policy packages
#
$(MODPKGDIR)/%.pp: $(BUILDDIR)%.pp
	@mkdir -p $(MODPKGDIR)
	@echo "Installing $(NAME) $(@F) policy package."
	$(verbose) $(INSTALL) -m 0644 $^ $(MODPKGDIR)

########################################
#
# Build module packages
#
$(TMPDIR)/%.mod: $(M4SUPPORT) $(TMPDIR)/generated_definitions.conf $(TMPDIR)/all_interfaces.conf %.te
	@echo "Compliling $(NAME) $(@F) module"
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
	$(call peruser-expansion,$(basename $(@F)),$@.role)
	$(verbose) $(M4) $(M4PARAM) -s $^ $@.role > $(@:.mod=.tmp)
	$(verbose) $(CHECKMODULE) -m $(@:.mod=.tmp) -o $@

$(TMPDIR)/%.mod.fc: $(M4SUPPORT) %.fc
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
	$(verbose) $(M4) $(M4PARAM) $(M4SUPPORT) $^ > $@

$(BUILDDIR)%.pp: $(TMPDIR)/%.mod $(TMPDIR)/%.mod.fc
	@echo "Creating $(NAME) $(@F) policy package"
	@test -d $(BUILDDIR) || mkdir -p $(BUILDDIR)
	$(verbose) $(SEMOD_PKG) -o $@ -m $< -f $<.fc

########################################
#
# Create a base module package
#
$(BASE_PKG): $(BASE_MOD) $(BASE_FC) $(USERS_EXTRA) $(SEUSERS) $(net_contexts)
	@echo "Creating $(NAME) base module package"
	@test -d $(BUILDDIR) || mkdir -p $(BUILDDIR)
	$(verbose) $(SEMOD_PKG) -o $@ -m $(BASE_MOD) -f $(BASE_FC) -u $(USERS_EXTRA) -s $(SEUSERS) -n $(net_contexts)

$(BASE_MOD): $(BASE_CONF)
	@echo "Compiling $(NAME) base module"
	$(verbose) $(CHECKMODULE) $^ -o $@

$(USERS_EXTRA): $(M4SUPPORT) $(USER_FILES)
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
	$(verbose) $(M4) $(M4PARAM) -D users_extra $^ | \
		$(SED) -r -n -e 's/^[[:blank:]]*//g' -e '/^user/p' > $@

########################################
#
# Construct a base.conf
#
$(BASE_CONF): $(BASE_SECTIONS)
	@echo "Creating $(NAME) base module $(@F)"
	@test -d $(@D) || mkdir -p $(@D)
	$(verbose) cat $^ > $@

$(TMPDIR)/pre_te_files.conf: M4PARAM += -D self_contained_policy
$(TMPDIR)/pre_te_files.conf: $(BASE_PRE_TE_FILES)
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
	$(verbose) $(M4) $(M4PARAM) $^ > $@

$(TMPDIR)/generated_definitions.conf: $(BASE_TE_FILES)
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
# define all available object classes
	$(verbose) $(GENPERM) $(AVS) $(SECCLASS) > $@
# per-userdomain templates
	$(verbose) echo "define(\`base_per_userdomain_template',\`" >> $@
	$(verbose) for i in $(patsubst %.te,%,$(BASE_MODS)); do \
		echo "ifdef(\`""$$i""_per_userdomain_template',\`""$$i""_per_userdomain_template("'$$*'")')" \
			>> $@ ;\
	done
	$(verbose) echo "')" >> $@
	$(verbose) test -f $(BOOLEANS) && $(SETBOOLS) $(BOOLEANS) >> $@ || true

$(TMPDIR)/global_bools.conf: M4PARAM += -D self_contained_policy
$(TMPDIR)/global_bools.conf: $(M4SUPPORT) $(TMPDIR)/generated_definitions.conf $(GLOBALBOOL) $(GLOBALTUN)
	$(verbose) $(M4) $(M4PARAM) $^ > $@

$(TMPDIR)/all_interfaces.conf: $(M4SUPPORT) $(ALL_INTERFACES)
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
	@echo "ifdef(\`__if_error',\`m4exit(1)')" > $(TMPDIR)/iferror.m4
	@echo "divert(-1)" > $@
	$(verbose) $(M4) $^ $(TMPDIR)/iferror.m4 >> $(TMPDIR)/$(@F).tmp
	$(verbose) $(SED) -e s/dollarsstar/\$$\*/g $(TMPDIR)/$(@F).tmp >> $@
	@echo "divert" >> $@

$(TMPDIR)/rolemap.conf: M4PARAM += -D self_contained_policy
$(TMPDIR)/rolemap.conf: $(ROLEMAP)
	$(call parse-rolemap,base,$@)

$(TMPDIR)/all_te_files.conf: M4PARAM += -D self_contained_policy
$(TMPDIR)/all_te_files.conf: $(M4SUPPORT) $(TMPDIR)/generated_definitions.conf $(TMPDIR)/all_interfaces.conf $(BASE_TE_FILES) $(TMPDIR)/rolemap.conf
ifeq "$(strip $(BASE_TE_FILES))" ""
	$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
	$(verbose) $(M4) $(M4PARAM) -s $^ > $@

$(TMPDIR)/post_te_files.conf: M4PARAM += -D self_contained_policy
$(TMPDIR)/post_te_files.conf: $(M4SUPPORT) $(BASE_POST_TE_FILES)
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
	$(verbose) $(M4) $(M4PARAM) $^ > $@

# extract attributes and put them first. extract post te stuff
# like genfscon and put last.
$(TMPDIR)/all_attrs_types.conf $(TMPDIR)/only_te_rules.conf $(TMPDIR)/all_post.conf: $(TMPDIR)/all_te_files.conf $(TMPDIR)/post_te_files.conf
	$(verbose) $(get_type_attr_decl) $(TMPDIR)/all_te_files.conf | $(SORT) > $(TMPDIR)/all_attrs_types.conf
	$(verbose) cat $(TMPDIR)/post_te_files.conf > $(TMPDIR)/all_post.conf
# these have to run individually because order matters:
	$(verbose) $(GREP) '^sid ' $(TMPDIR)/all_te_files.conf >> $(TMPDIR)/all_post.conf || true
	$(verbose) $(GREP) '^fs_use_(xattr|task|trans)' $(TMPDIR)/all_te_files.conf >> $(TMPDIR)/all_post.conf || true
	$(verbose) $(GREP) ^genfscon $(TMPDIR)/all_te_files.conf >> $(TMPDIR)/all_post.conf || true
	$(verbose) $(GREP) ^portcon $(TMPDIR)/all_te_files.conf >> $(TMPDIR)/all_post.conf || true
	$(verbose) $(GREP) ^netifcon $(TMPDIR)/all_te_files.conf >> $(TMPDIR)/all_post.conf || true
	$(verbose) $(GREP) ^nodecon $(TMPDIR)/all_te_files.conf >> $(TMPDIR)/all_post.conf || true
	$(verbose) $(comment_move_decl) $(TMPDIR)/all_te_files.conf > $(TMPDIR)/only_te_rules.conf

########################################
#
# Construct a base.fc
#
$(BASE_FC): $(TMPDIR)/$(notdir $(BASE_FC)).tmp $(FCSORT)
	$(verbose) $(FCSORT) $< $@

$(TMPDIR)/$(notdir $(BASE_FC)).tmp: $(M4SUPPORT) $(TMPDIR)/generated_definitions.conf $(BASE_FC_FILES)
ifeq ($(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 $(TMPDIR) || mkdir -p $(TMPDIR)
	$(verbose) $(M4) $(M4PARAM) $^ > $@

########################################
#
# Remove the dontaudit rules from the base.conf
#
enableaudit: $(BASE_CONF)
	@test -d $(TMPDIR) || mkdir -p $(TMPDIR)
	@echo "Removing dontaudit rules from $(^F)"
	$(verbose) $(GREP) -v dontaudit $(BASE_CONF) > $(TMPDIR)/base.audit
	$(verbose) mv $(TMPDIR)/base.audit $(BASE_CONF)

########################################
#
# Appconfig files
#
$(APPDIR)/customizable_types: $(BASE_CONF)
	@mkdir -p $(APPDIR)
	$(verbose) $(GREP) '^[[:blank:]]*type .*customizable' $< | cut -d';' -f1 | cut -d',' -f1 | cut -d' ' -f2 | $(SORT) -u > $(TMPDIR)/customizable_types
	$(verbose) $(INSTALL) -m 644 $(TMPDIR)/customizable_types $@ 

########################################
#
# Validate linking and expanding of modules
#
validate: $(BASE_PKG) $(MOD_PKGS)
	@echo "Validating policy linking."
	$(verbose) $(SEMOD_LNK) -o $(TMPDIR)/test.lnk $^
	$(verbose) $(SEMOD_EXP) $(TMPDIR)/test.lnk $(TMPDIR)/policy.bin
	@echo "Success."

########################################
#
# Clean the sources
#
clean:
	rm -f $(BASE_CONF)
	rm -f $(BASE_FC)
	rm -f $(BUILDDIR)*.pp
	rm -f $(net_contexts)
	rm -fR $(TMPDIR)

.PHONY: default all policy base modules install load clean validate