########################################
#
# Rules and Targets for building monolithic policies
#

# determine the policy version and current kernel version if possible
pv := $(shell $(CHECKPOLICY) -V |cut -f 1 -d ' ')
kv := $(shell $(policyvers))

# dont print version warnings if we are unable to determine
# the currently running kernel's policy version
ifeq "$(kv)" ""
	kv := $(pv)
endif

# dont print version warnings if we specified a lower version than the kernel supports
ifneq "$(OUTPUT_POLICY)" ""
	kv := $(shell if test $(kv) -gt $(pv); then echo $(pv); else echo $(kv); fi)
endif

# load_policy(8) loads policy from /etc/selinux/<SELINUXTYPE>/policy/policy.$(pv)
# It does this by reading the /etc/selinux/config file SELINUXTYPE entry to
# form the full path. $(polbinpath) will contain this evaluated path for use as
# a validation check.
polbinpath := $(shell $(binary_policy_path))

policy_conf = $(builddir)policy.conf
fc = $(builddir)file_contexts
polver = $(builddir)policy.$(pv)
homedir_template = $(builddir)homedir_template

M4PARAM += -D self_contained_policy

# install paths
loadpath = $(policypath)/$(notdir $(polver))

appfiles += $(installdir)/booleans $(installdir)/seusers $(userpath)/local.users

# for monolithic policy use all base and module to create policy
all_modules := $(strip $(base_mods) $(mod_mods))
# off module interfaces included to make sure all interfaces are expanded.
all_interfaces := $(all_modules:.te=.if) $(off_mods:.te=.if)
all_te_files := $(all_modules)
all_fc_files := $(all_modules:.te=.fc)

pre_te_files := $(secclass) $(isids) $(avs) $(m4support) $(ctx_defaults) $(poldir)/mls $(poldir)/mcs $(policycaps)
post_te_files := $(user_files) $(poldir)/constraints

policy_sections := $(tmpdir)/pre_te_files.conf $(tmpdir)/all_attrs_types.conf $(tmpdir)/global_bools.conf $(tmpdir)/only_te_rules.conf $(tmpdir)/all_post.conf

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

########################################
#
# default action: build policy locally
#
default: policy

policy: $(polver)

install: $(loadpath) $(fcpath) $(appfiles)

load: $(tmpdir)/load

checklabels: $(fcpath)
restorelabels: $(fcpath)
relabel:  $(fcpath)
resetlabels:  $(fcpath)

########################################
#
# Build a binary policy locally
#
$(polver): $(policy_conf)
	@echo "Compiling $(NAME) $(polver)"
ifneq ($(pv),$(kv))
	@echo
	@echo "WARNING: Policy version mismatch (policy:$(pv) kernel:$(kv))!  Is your OUTPUT_POLICY set correctly?"
	@echo
endif
	$(verbose) $(CHECKPOLICY) -U $(UNK_PERMS) -S -O -E $^ -o $@

########################################
#
# Install a binary policy
#
$(loadpath): $(policy_conf)
	@echo "Compiling and installing $(NAME) $(loadpath)"
ifneq ($(pv),$(kv))
	@echo
	@echo "WARNING: Policy version mismatch (policy:$(pv) kernel:$(kv))!  Is your OUTPUT_POLICY set correctly?"
	@echo
endif
	@$(INSTALL) -d -m 0755 $(@D)
	$(verbose) $(CHECKPOLICY) -U $(UNK_PERMS) -S -O -E $^ -o $@

########################################
#
# Load the binary policy
#
reload $(tmpdir)/load: $(loadpath) $(fcpath) $(appfiles)
ifneq ($(DESTDIR),)
	$(error Cannot load policy as '$$DESTDIR' is set to $(DESTDIR), \
		creating an invalid policy load path)
endif
ifneq ($(polbinpath).$(pv),$(loadpath))
	$(error Cannot load policy as invalid policy path: $(polbinpath).$(pv) - \
		Check $(topdir)/config file entry is: "SELINUXTYPE=$(NAME)")
endif
	@echo "Loading $(NAME) $(loadpath)"
	$(verbose) $(LOADPOLICY)

########################################
#
# Construct a monolithic policy.conf
#
$(policy_conf): $(policy_sections)
	@echo "Creating $(NAME) $(@F)"
	@test -d $(@D) || mkdir -p $(@D)
	$(verbose) cat $^ > $@

$(tmpdir)/pre_te_files.conf: $(pre_te_files)
	@test -d $(tmpdir) || mkdir -p $(tmpdir)
	$(verbose) $(M4) $(M4PARAM) $^ > $@

$(tmpdir)/generated_definitions.conf: $(all_te_files)
	@test -d $(tmpdir) || mkdir -p $(tmpdir)
# define all available object classes
	@cat $(m4divert) > $@
	$(verbose) $(genperm) $(avs) $(secclass) >> $@
	$(verbose) $(call create-base-per-role-tmpl,$(basename $(notdir $(all_modules))),$@)
	$(verbose) test -f $(booleans) && $(setbools) $(booleans) >> $@ || true
	@cat $(m4undivert) >> $@

$(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)
	@cat $(m4divert) > $@
	$(verbose) $(M4) $^ > $(tmpdir)/$(@F).tmp
	$(verbose) $(SED) -e s/dollarsstar/\$$\*/g $(tmpdir)/$(@F).tmp >> $@
	@cat $(m4undivert) >> $@

$(tmpdir)/all_te_files.conf: $(m4support) $(tmpdir)/generated_definitions.conf $(tmpdir)/all_interfaces.conf $(all_te_files) $(m4terminate)
ifeq "$(strip $(all_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: $(m4support) $(tmpdir)/generated_definitions.conf $(post_te_files) $(tmpdir)/all_te_files.conf
	@test -d $(tmpdir) || mkdir -p $(tmpdir)
	$(verbose) $(GREP) '^[[:blank:]]*user ' $(tmpdir)/all_te_files.conf > $@ || true
	$(verbose) $(M4) $(M4PARAM) $(m4support) $(tmpdir)/generated_definitions.conf $(post_te_files) >> $@

# extract attributes and put them first. extract post te stuff
# like genfscon and put last.
$(tmpdir)/all_attrs_types.conf: $(tmpdir)/all_te_files.conf
	$(verbose) $(get_type_attr_decl) $^ | $(SORT) > $@

$(tmpdir)/all_post.conf: $(tmpdir)/all_te_files.conf $(tmpdir)/post_te_files.conf
	$(verbose) cat $(tmpdir)/post_te_files.conf > $@
# these have to run individually because order matters:
	$(verbose) $(GREP) '^sid ' $(tmpdir)/all_te_files.conf >> $@ || true
	$(verbose) $(GREP) '^fs_use_(xattr|task|trans)' $(tmpdir)/all_te_files.conf >> $@ || true
	$(verbose) $(GREP) ^genfscon $(tmpdir)/all_te_files.conf >> $@ || true
	$(verbose) $(GREP) ^portcon $(tmpdir)/all_te_files.conf >> $@ || true
	$(verbose) $(GREP) ^netifcon $(tmpdir)/all_te_files.conf >> $@ || true
	$(verbose) $(GREP) ^nodecon $(tmpdir)/all_te_files.conf >> $@ || true
	$(verbose) $(GREP) ^ibpkeycon $(tmpdir)/all_te_files.conf >> $@ || true
	$(verbose) $(GREP) ^ibendportcon $(tmpdir)/all_te_files.conf >> $@ || true

$(tmpdir)/only_te_rules.conf: $(tmpdir)/all_te_files.conf
	$(verbose) $(comment_move_decl) $^ > $@

########################################
#
# Remove the dontaudit rules from the policy.conf
#
enableaudit: $(policy_conf)
	@test -d $(tmpdir) || mkdir -p $(tmpdir)
	@echo "Removing dontaudit rules from $(notdir $(policy_conf))"
	$(verbose) $(GREP) -v dontaudit $^ > $(tmpdir)/policy.audit
	$(verbose) mv $(tmpdir)/policy.audit $(policy_conf)

########################################
#
# Construct file_contexts
#
$(fc): $(tmpdir)/$(notdir $(fc)).tmp
	$(verbose) $(fcsort) $< $@
	$(verbose) $(GREP) -e HOME -e ROLE -e USER $@ > $(homedir_template)
	$(verbose) $(SED) -i -e /HOME/d -e /ROLE/d -e /USER/d $@

$(tmpdir)/$(notdir $(fc)).tmp: $(m4support) $(tmpdir)/generated_definitions.conf $(all_fc_files)
ifeq ($(all_fc_files),)
	$(error No enabled modules! $(notdir $(mod_conf)) may need to be generated by using "make conf")
endif
	@echo "Creating $(NAME) file_contexts."
	@test -d $(tmpdir) || mkdir -p $(tmpdir)
	$(verbose) $(M4) $(M4PARAM) $^ > $@

$(homedir_template): $(fc)

########################################
#
# Install file_contexts
#
$(fcpath): $(fc) $(loadpath) $(userpath)/system.users
	@echo "Validating $(NAME) file_contexts."
	$(verbose) $(SETFILES) -q -c $(loadpath) $(fc)
	@echo "Installing file_contexts."
	@$(INSTALL) -d -m 0755 $(@D)
	$(verbose) $(INSTALL) -m 0644 $(fc) $(fcpath)
	$(verbose) $(INSTALL) -m 0644 $(homedir_template) $(homedirpath)
	$(verbose) $(UMASK) 022 ; $(genhomedircon) -d $(topdir) -t $(NAME)

########################################
#
# Validate file contexts
#
validate: $(fc) $(polver)
	@echo "Validating $(NAME) file_contexts."
	$(verbose) $(SETFILES) -q -c $(polver) $(fc)
	@echo "Success."

########################################
#
# Run policy source checks
#
check: $(builddir)check.res
$(builddir)check.res: $(policy_conf) $(fc)
	$(SECHECK) -s --profile=development --policy=$(policy_conf) --fcfile=$(fc) > $@

longcheck: $(builddir)longcheck.res
$(builddir)longcheck.res: $(policy_conf) $(fc)
	$(SECHECK) -s --profile=all --policy=$(policy_conf) --fcfile=$(fc) > $@

########################################
#
# Appconfig files
#
$(appdir)/customizable_types: $(policy_conf)
	$(verbose) $(GREP) '^[[:blank:]]*type .*customizable' $< | cut -d';' -f1 | cut -d',' -f1 | cut -d' ' -f2 | $(SORT) -u > $(tmpdir)/customizable_types
	@$(INSTALL) -d -m 0755 $(@D)
	$(verbose) $(INSTALL) -m 0644 $(tmpdir)/customizable_types $@

$(installdir)/seusers: $(seusers)
	$(verbose) $(M4) $(M4PARAM) $(m4support) $^ | $(GREP) '^[a-z_]' > $(tmpdir)/seusers
	@$(INSTALL) -d -m 0755 $(@D)
	$(verbose) $(INSTALL) -m 0644 $(tmpdir)/seusers $@

########################################
#
# Clean the sources
#
clean:
	$(verbose) rm -f $(policy_conf)
	$(verbose) rm -f $(polver)
	$(verbose) rm -f $(fc)
	$(verbose) rm -f $(homedir_template)
	$(verbose) rm -f $(net_contexts) $(net_contexts_nft)
	$(verbose) rm -f *.res
	$(verbose) rm -fR $(tmpdir)

.PHONY: default policy install load reload enableaudit checklabels restorelabels relabel check longcheck clean