selinux-policy/Rules.modular

########################################
#
# 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 $(policycaps)
base_te_files := $(base_mods)
base_post_te_files := $(user_files) $(poldir)/constraints
base_fc_files := $(base_mods:.te=.fc)

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)

.SECONDARY: $(addprefix $(tmpdir)/,$(mod_pkgs:.pp=.mod)) $(addprefix $(tmpdir)/,$(mod_pkgs:.pp=.mod.fc))

########################################
#
# 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)
# make sure two directories exist since they are not
# created by semanage
	@mkdir -p $(policypath) $(dir $(fcpath))
	@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)
	$(call perrole-expansion,$(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) $(tmpdir)/seusers
	@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 $(tmpdir)/seusers

ifneq "$(UNK_PERMS)" ""
$(base_mod): CHECKMODULE += -U $(UNK_PERMS)
endif
$(base_mod): $(base_conf)
	@echo "Compiling $(NAME) base module"
	$(verbose) $(CHECKMODULE) $^ -o $@

$(tmpdir)/seusers: $(seusers)
	@mkdir -p $(tmpdir)
	$(verbose) $(M4) $(M4PARAM) $(m4support) $^ | $(GREP) '^[a-z_]' > $@

$(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:
	@test -d $(tmpdir) || mkdir -p $(tmpdir)
# define all available object classes
	$(verbose) $(genperm) $(avs) $(secclass) > $@
	$(verbose) $(call create-base-per-role-tmpl,$(patsubst %.te,%,$(base_mods)),$@)
	$(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) $(m4iferror)
	@test -d $(tmpdir) || mkdir -p $(tmpdir)
	@echo "divert(-1)" > $@
	$(verbose) $(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)
	$(verbose) echo "" > $@
	$(call parse-rolemap,base,$@)

$(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) $^ > $@

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