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|
#
# Makefile for the security policy.
#
# Targets:
#
# install - compile and install the policy configuration.
# load - compile, install, and load the policy configuration.
# reload - compile, install, and load/reload the policy configuration.
# policy - compile the policy configuration locally for testing/development.
#
# The default target is 'policy'.
#
########################################
#
# Configurable portions of the Makefile
#
# Policy version
# By default, checkpolicy will create the highest
# version policy it supports. Setting this will
# override the version.
OUTPUT_POLICY = 24
# Policy Type
# xen
# xen-mls
TYPE = xen
# Policy Name
# If set, this will be used as the policy
# name. Otherwise xenpolicy will be
# used for the name.
# NAME = xenpolicy
# Number of MLS Sensitivities
# The sensitivities will be s0 to s(MLS_SENS-1).
# Dominance will be in increasing numerical order
# with s0 being lowest.
# MLS_SENS = 16
# Number of MLS Categories
# The categories will be c0 to c(MLS_CATS-1).
# MLS_CATS = 256
# Uncomment this to disable command echoing
# QUIET:=@
########################################
#
# NO OPTIONS BELOW HERE
#
# executable paths
PREFIX := /usr
BINDIR := $(PREFIX)/bin
SBINDIR := $(PREFIX)/sbin
CHECKPOLICY := $(BINDIR)/checkpolicy
LOADPOLICY := $(SBINDIR)/flask-loadpolicy
# policy source layout
POLDIR := policy
MODDIR := $(POLDIR)/modules
FLASKDIR := $(POLDIR)/flask
SECCLASS := $(FLASKDIR)/security_classes
ISIDS := $(FLASKDIR)/initial_sids
AVS := $(FLASKDIR)/access_vectors
# config file paths
GLOBALTUN := $(POLDIR)/global_tunables
GLOBALBOOL := $(POLDIR)/global_booleans
MOD_CONF := $(POLDIR)/modules.conf
TUNABLES := $(POLDIR)/tunables.conf
BOOLEANS := $(POLDIR)/booleans.conf
# install paths
DESTDIR = /boot
INSTALLDIR = $(DESTDIR)
LOADPATH = $(INSTALLDIR)/$(POLVER)
# default MLS sensitivity and category settings.
MLS_SENS ?= 16
MLS_CATS ?= 256
# enable MLS if requested.
ifneq ($(findstring -mls,$(TYPE)),)
M4PARAM += -D enable_mls
CHECKPOLICY += -M
endif
ifeq ($(NAME),)
NAME := xenpolicy
endif
PV := $(shell $(CHECKPOLICY) -V |cut -f 1 -d ' ')
ifneq ($(OUTPUT_POLICY),)
CHECKPOLICY += -c $(OUTPUT_POLICY)
POLVER = $(NAME).$(OUTPUT_POLICY)
else
POLVER +=$(NAME).$(PV)
endif
# determine the policy version and current kernel version if possible
M4PARAM += -D mls_num_sens=$(MLS_SENS) -D mls_num_cats=$(MLS_CATS) -D hide_broken_symptoms
M4SUPPORT = $(wildcard $(POLDIR)/support/*.spt)
ALL_LAYERS := $(filter-out $(MODDIR)/CVS,$(shell find $(wildcard $(MODDIR)/*) -maxdepth 0 -type d))
# sort here since it removes duplicates, which can happen
# when a generated file is already generated
DETECTED_MODS := $(sort $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.te)))
# modules.conf setting for policy configuration
MODENABLED := on
# extract settings from modules.conf
ENABLED_MODS := $(foreach mod,$(shell awk '/^[[:blank:]]*[[:alpha:]]/{ if ($$3 == "$(MODENABLED)") print $$1 }' $(MOD_CONF) 2> /dev/null),$(subst ./,,$(shell find -iname $(mod).te)))
ALL_MODULES := $(filter $(ENABLED_MODS),$(DETECTED_MODS))
ALL_INTERFACES := $(ALL_MODULES:.te=.if)
ALL_TE_FILES := $(ALL_MODULES)
PRE_TE_FILES := $(SECCLASS) $(ISIDS) $(AVS) $(M4SUPPORT) $(POLDIR)/mls
POST_TE_FILES := $(POLDIR)/users $(POLDIR)/constraints
POLICY_SECTIONS := tmp/pre_te_files.conf tmp/all_interfaces.conf tmp/all_attrs_types.conf $(GLOBALBOOL) $(GLOBALTUN) tmp/only_te_rules.conf tmp/all_post.conf
########################################
#
# default action: build policy locally
#
default: policy
policy: $(POLVER)
install: $(LOADPATH)
load: tmp/load
########################################
#
# Build a binary policy locally
#
$(POLVER): policy.conf
@echo "Compiling $(NAME) $(POLVER)"
$(QUIET) $(CHECKPOLICY) $^ -o $@
# Uncomment line below to enable policies for devices
# $(QUIET) $(CHECKPOLICY) -t Xen $^ -o $@
########################################
#
# Install a binary policy
#
$(LOADPATH): policy.conf
@echo "Compiling and installing $(NAME) $(LOADPATH)"
$(QUIET) $(CHECKPOLICY) $^ -o $@
# Uncomment line below to enable policies for devices
# $(QUIET) $(CHECKPOLICY) -t Xen $^ -o $@
########################################
#
# Load the binary policy
#
tmp/load: reload
reload: $(LOADPATH) $(FCPATH)
@echo "Loading $(NAME) $(LOADPATH)"
$(QUIET) $(LOADPOLICY) $(LOADPATH)
@touch tmp/load
########################################
#
# Construct a monolithic policy.conf
#
policy.conf: $(POLICY_SECTIONS)
@echo "Creating $(NAME) policy.conf"
# checkpolicy can use the #line directives provided by -s for error reporting:
$(QUIET) m4 -D self_contained_policy $(M4PARAM) -s $^ > $@
tmp/pre_te_files.conf: $(PRE_TE_FILES)
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
tmp/all_interfaces.conf: $(M4SUPPORT) $(ALL_INTERFACES)
ifeq ($(ALL_INTERFACES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) please create a modules.conf file)
endif
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ | sed -e s/dollarsstar/\$$\*/g > $@
tmp/all_te_files.conf: $(ALL_TE_FILES)
ifeq ($(ALL_TE_FILES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) please create a modules.conf file)
endif
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
tmp/post_te_files.conf: $(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/all_post.conf: tmp/only_te_rules.conf
tmp/only_te_rules.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) grep ^pirqcon tmp/all_te_files.conf >> \
tmp/all_post.conf || true
$(QUIET) grep ^ioportcon tmp/all_te_files.conf >> \
tmp/all_post.conf || true
$(QUIET) grep ^iomemcon tmp/all_te_files.conf >> \
tmp/all_post.conf || true
$(QUIET) grep ^pcidevicecon tmp/all_te_files.conf >> \
tmp/all_post.conf || true
$(QUIET) sed -r -e /^attribute/d -e '/^type /d' -e '/^sid /d' \
-e "/^pirqcon/d" -e "/^pcidevicecon/d" -e "/^ioportcon/d" \
-e "/^iomemcon/d" < tmp/all_te_files.conf \
> tmp/only_te_rules.conf
########################################
#
# Remove the dontaudit rules from the policy.conf
#
enableaudit: policy.conf
@test -d tmp || mkdir -p tmp
@echo "Removing dontaudit rules from policy.conf"
$(QUIET) grep -v dontaudit policy.conf > tmp/policy.audit
$(QUIET) mv tmp/policy.audit policy.conf
########################################
#
# Clean the built policies.
#
clean:
rm -fR tmp
rm -f policy.conf
rm -f $(POLVER)
.PHONY: default policy install load reload enableaudit clean
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