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Rules.monolithic
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Rules.monolithic
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########################################
#
# 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
policy_cil = $(builddir)policy.cil
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: all
all: policy $(builtappfiles)
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 $@
########################################
#
# Build a CIL policy locally
#
$(policy_cil): $(policy_conf)
@echo "Compiling $(NAME) $(policy_cil)"
ifneq ($(pv),$(kv))
@echo
@echo "WARNING: Policy version mismatch (policy:$(pv) kernel:$(kv))! Is your OUTPUT_POLICY set correctly?"
@echo
endif
$(verbose) $(CHECKPOLICY) -C -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) '^[[:blank:]]*sid ' $(tmpdir)/all_te_files.conf >> $@ || true
$(verbose) $(GREP) '^[[:blank:]]*fs_use_(xattr|task|trans)' $(tmpdir)/all_te_files.conf >> $@ || true
$(verbose) $(GREP) '^[[:blank:]]*genfscon' $(tmpdir)/all_te_files.conf >> $@ || true
$(verbose) $(GREP) '^[[:blank:]]*portcon' $(tmpdir)/all_te_files.conf >> $@ || true
$(verbose) $(GREP) '^[[:blank:]]*netifcon' $(tmpdir)/all_te_files.conf >> $@ || true
$(verbose) $(GREP) '^[[:blank:]]*nodecon' $(tmpdir)/all_te_files.conf >> $@ || true
$(verbose) $(GREP) '^[[:blank:]]*ibpkeycon' $(tmpdir)/all_te_files.conf >> $@ || true
$(verbose) $(GREP) '^[[:blank:]]*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)
$(verbose) if $(SEFCONTEXT_COMPILE) -i > /dev/null 2>&1 ; then \
$(SEFCONTEXT_COMPILE) $(fcpath) ;\
$(SEFCONTEXT_COMPILE) $(fcpath).homedirs ;\
else \
echo "$@ Pre-compiled file context not generated! Please install the sefcontext_compile tool (commonly part of libselinux-utils)." ;\
fi
########################################
#
# Validate file contexts and appconfig
#
validate: $(fc) $(polver) $(builtappfiles)
@echo "Validating $(NAME) file_contexts."
$(verbose) $(SETFILES) -q -c $(polver) $(fc)
@echo "Validating $(NAME) appconfig."
$(verbose) $(validateappconfig) $(builtappconf) $(polver)
@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
#
$(builtappconf)/customizable_types: $(policy_conf)
@mkdir -p $(@D)
$(verbose) $(GREP) '^[[:blank:]]*type .*customizable' $< | cut -d';' -f1 | cut -d',' -f1 | cut -d' ' -f2 | $(SORT) -u > $@
$(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 $(policy_cil)
$(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 resetlabels validate check longcheck clean