358 lines
11 KiB
Makefile
358 lines
11 KiB
Makefile
#
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# Makefile for the security policy.
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#
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# Targets:
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#
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# install - compile and install the policy configuration, and context files.
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# load - compile, install, and load the policy configuration.
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# reload - compile, install, and load/reload the policy configuration.
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# relabel - relabel filesystems based on the file contexts configuration.
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# checklabels - check filesystems against the file context configuration
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# restorelabels - check filesystems against the file context configuration
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# and restore the label of files with incorrect labels
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# policy - compile the policy configuration locally for testing/development.
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#
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# The default target is 'policy'.
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#
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########################################
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#
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# Configurable portions of the Makefile
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#
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# Policy version
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# By default, checkpolicy will create the highest
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# version policy it supports. Setting this will
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# override the version.
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#OUTPUT_POLICY = 18
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# Policy Type
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# strict, targeted, strict-mls, targeted-mls
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TYPE = strict
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# Policy Name
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# If set, this will be used as the policy
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# name. Otherwise the policy type will be
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# used for the name.
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NAME = refpolicy
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# Distribution
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# Some distributions have portions of policy
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# for programs or configurations specific to the
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# distribution. Setting this will enable options
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# for the distribution.
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# redhat, gentoo, debian, and suse are current options.
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# Fedora users should enable redhat.
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#DISTRO = redhat
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# Build monolithic policy. Putting n here
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# will build a loadable module policy.
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MONOLITHIC=y
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# Uncomment this to disable command echoing
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#QUIET:=@
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########################################
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#
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# NO OPTIONS BELOW HERE
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#
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# executable paths
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PREFIX := /usr
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BINDIR := $(PREFIX)/bin
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SBINDIR := $(PREFIX)/sbin
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CHECKPOLICY := $(BINDIR)/checkpolicy
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CHECKMODULE := $(BINDIR)/checkmodule
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SEMOD_PKG := $(BINDIR)/semodule_package
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LOADPOLICY := $(SBINDIR)/load_policy
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SETFILES := $(SBINDIR)/setfiles
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GENHOMEDIRCON := $(SBINDIR)/genhomedircon
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XMLLINT := $(BINDIR)/xmllint
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CFLAGS := -Wall
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# policy source layout
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POLDIR := policy
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MODDIR := $(POLDIR)/modules
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FLASKDIR := $(POLDIR)/flask
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SECCLASS := $(FLASKDIR)/security_classes
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ISIDS := $(FLASKDIR)/initial_sids
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AVS := $(FLASKDIR)/access_vectors
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# policy building support tools
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SUPPORT := support
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GENXML := $(SUPPORT)/segenxml.py
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GENDOC := $(SUPPORT)/sedoctool.py
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GENPERM := $(SUPPORT)/genclassperms.py
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FCSORT := $(SUPPORT)/fc_sort
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SETTUN := $(SUPPORT)/set_tunables
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# documentation paths
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DOCS = doc
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POLXML = $(DOCS)/policy.xml
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XMLDTD = $(DOCS)/policy.dtd
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LAYERXML = metadata.xml
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HTMLDIR = $(DOCS)/html
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DOCTEMPLATE = $(DOCS)/templates
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# config file paths
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GLOBALTUN := $(POLDIR)/global_tunables
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MOD_CONF := $(POLDIR)/modules.conf
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TUNABLES := $(POLDIR)/tunables.conf
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# install paths
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TOPDIR = $(DESTDIR)/etc/selinux
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INSTALLDIR = $(TOPDIR)/$(NAME)
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SRCPATH = $(INSTALLDIR)/src
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USERPATH = $(INSTALLDIR)/users
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CONTEXTPATH = $(INSTALLDIR)/contexts
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# enable MLS if requested.
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ifneq ($(findstring -mls,$(TYPE)),)
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override M4PARAM += -D enable_mls
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CHECKPOLICY += -M
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CHECKMODULE += -M
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endif
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# enable MLS if MCS requested.
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ifneq ($(findstring -mcs,$(TYPE)),)
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override M4PARAM += -D enable_mcs
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CHECKPOLICY += -M
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CHECKMODULE += -M
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endif
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# compile targeted policy if requested.
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ifneq ($(findstring targeted,$(TYPE)),)
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override M4PARAM += -D targeted_policy
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endif
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# enable distribution-specific policy
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ifneq ($(DISTRO),)
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override M4PARAM += -D distro_$(DISTRO)
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endif
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ifneq ($(OUTPUT_POLICY),)
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CHECKPOLICY += -c $(OUTPUT_POLICY)
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endif
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ifeq ($(NAME),)
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NAME := $(TYPE)
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endif
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# determine the policy version and current kernel version if possible
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PV := $(shell $(CHECKPOLICY) -V |cut -f 1 -d ' ')
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KV := $(shell cat /selinux/policyvers)
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# dont print version warnings if we are unable to determine
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# the currently running kernel's policy version
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ifeq ($(KV),)
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KV := $(PV)
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endif
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FC := file_contexts
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POLVER := policy.$(PV)
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M4SUPPORT = $(wildcard $(POLDIR)/support/*.spt)
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APPCONF := config/appconfig-$(TYPE)
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APPDIR := $(CONTEXTPATH)
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APPFILES := $(addprefix $(APPDIR)/,default_contexts default_type initrc_context failsafe_context userhelper_context removable_context dbus_contexts customizable_types) $(CONTEXTPATH)/files/media $(INSTALLDIR)/booleans
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CONTEXTFILES += $(wildcard $(APPCONF)/*_context*) $(APPCONF)/media
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USER_FILES := $(POLDIR)/systemuser $(POLDIR)/users
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ALL_LAYERS := $(filter-out $(MODDIR)/CVS,$(shell find $(wildcard $(MODDIR)/*) -maxdepth 0 -type d))
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GENERATED_TE := $(basename $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.te.in)))
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GENERATED_IF := $(basename $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.if.in)))
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GENERATED_FC := $(basename $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.fc.in)))
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# sort here since it removes duplicates, which can happen
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# when a generated file is already generated
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DETECTED_MODS := $(sort $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.te)) $(GENERATED_TE))
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# modules.conf setting for base module
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MODBASE := base
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# modules.conf setting for module
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MODMOD := module
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# extract settings from modules.conf
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BASE_MODS := $(foreach mod,$(shell awk '/^[[:blank:]]*[[:alpha:]]/{ if ($$3 == "$(MODBASE)") print $$1 }' $(MOD_CONF) 2> /dev/null),$(subst ./,,$(shell find -iname $(mod).te)))
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MOD_MODS := $(foreach mod,$(shell awk '/^[[:blank:]]*[[:alpha:]]/{ if ($$3 == "$(MODMOD)") print $$1 }' $(MOD_CONF) 2> /dev/null),$(subst ./,,$(shell find -iname $(mod).te)))
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HOMEDIR_TEMPLATE = tmp/homedir_template
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########################################
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#
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# Load appropriate rules
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#
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ifeq ($(MONOLITHIC),y)
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include Rules.monolithic
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else
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include Rules.modular
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endif
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########################################
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#
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# Generated files
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#
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$(MODDIR)/kernel/corenetwork.if: $(MODDIR)/kernel/corenetwork.if.m4 $(MODDIR)/kernel/corenetwork.if.in
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@echo "#" > $@
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@echo "# This is a generated file! Instead of modifying this file, the" >> $@
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@echo "# $(notdir $@).in or $(notdir $@).m4 file should be modified." >> $@
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@echo "#" >> $@
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$(QUIET) cat $(MODDIR)/kernel/corenetwork.if.in >> $@
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$(QUIET) egrep "^[[:blank:]]*network_(interface|node|port)\(.*\)" $(@:.if=.te).in \
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| m4 -D monolithic_policy $(M4PARAM) $(M4SUPPORT) $(MODDIR)/kernel/corenetwork.if.m4 - \
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| sed -e 's/dollarsone/\$$1/g' -e 's/dollarszero/\$$0/g' >> $@
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$(MODDIR)/kernel/corenetwork.te: $(MODDIR)/kernel/corenetwork.te.m4 $(MODDIR)/kernel/corenetwork.te.in
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@echo "#" > $@
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@echo "# This is a generated file! Instead of modifying this file, the" >> $@
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@echo "# $(notdir $@).in or $(notdir $@).m4 file should be modified." >> $@
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@echo "#" >> $@
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$(QUIET) m4 -D monolithic_policy $(M4PARAM) $(M4SUPPORT) $^ \
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| sed -e 's/dollarsone/\$$1/g' -e 's/dollarszero/\$$0/g' >> $@
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########################################
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#
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# Create config files
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#
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conf: $(MOD_CONF) $(TUNABLES) $(GENERATED_TE) $(GENERATED_IF) $(GENERATED_FC)
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$(MOD_CONF) $(TUNABLES): $(POLXML)
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@echo "Updating $(MOD_CONF) and $(TUNABLES)"
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$(QUIET) cd $(DOCS) && ../$(GENDOC) -t ../$(TUNABLES) -m ../$(MOD_CONF) -x ../$(POLXML)
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########################################
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#
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# Documentation generation
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#
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# minimal dependencies here, because we don't want to rebuild
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# this and its dependents every time the dependencies
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# change. Also use all .if files here, rather then just the
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# enabled modules.
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$(POLXML): $(DETECTED_MODS:.te=.if) $(foreach dir,$(ALL_LAYERS),$(dir)/$(LAYERXML))
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@echo "Creating $@"
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@mkdir -p tmp
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$(QUIET) echo '<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>' > $@
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$(QUIET) echo '<!DOCTYPE policy SYSTEM "$(notdir $(XMLDTD))">' >> $@
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$(QUIET) $(GENXML) -w -m $(LAYERXML) -t $(GLOBALTUN) $(ALL_LAYERS) >> $@
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$(QUIET) if test -x $(XMLLINT) && test -f $(XMLDTD); then \
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$(XMLLINT) --noout --dtdvalid $(XMLDTD) $@ ;\
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fi
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html: $(POLXML)
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@mkdir -p $(HTMLDIR)
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$(QUIET) cd $(DOCS) && ../$(GENDOC) -d ../$(HTMLDIR) -T ../$(DOCTEMPLATE) -x ../$(POLXML)
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$(QUIET) cp $(DOCTEMPLATE)/*.css $(HTMLDIR)
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########################################
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#
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# Runtime binary policy patching of users
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#
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$(USERPATH)/system.users: $(USER_FILES) tmp/generated_definitions.conf
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@mkdir -p $(USERPATH)
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@echo "Installing system.users"
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@echo "# " > tmp/system.users
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@echo "# Do not edit this file. " >> tmp/system.users
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@echo "# This file is replaced on reinstalls of this policy." >> tmp/system.users
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@echo "# Please edit local.users to make local changes." >> tmp/system.users
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@echo "#" >> tmp/system.users
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$(QUIET) m4 -D monolithic_policy $(M4PARAM) tmp/generated_definitions.conf $(USER_FILES) | \
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egrep -v "^[[:space:]]*($$|#)" >> tmp/system.users
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$(QUIET) install -m 644 tmp/system.users $@
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$(USERPATH)/local.users: config/local.users
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@mkdir -p $(USERPATH)
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@echo "Installing local.users"
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$(QUIET) install -b -m 644 $< $@
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########################################
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#
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# Appconfig files
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#
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install-appconfig: $(APPFILES)
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$(INSTALLDIR)/booleans: $(TUNABLES)
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@mkdir -p $(INSTALLDIR)
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$(QUIET) egrep '^[[:blank:]]*[[:alpha:]]' $(TUNABLES) \
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| sed -e 's/false/0/g' -e 's/true/1/g' > tmp/booleans
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$(QUIET) install -m 644 tmp/booleans $@
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$(CONTEXTPATH)/files/media: $(APPCONF)/media
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@mkdir -p $(CONTEXTPATH)/files/
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$(QUIET) install -m 644 $< $@
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$(APPDIR)/default_contexts: $(APPCONF)/default_contexts
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@mkdir -p $(APPDIR)
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$(QUIET) install -m 644 $< $@
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$(APPDIR)/removable_context: $(APPCONF)/removable_context
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@mkdir -p $(APPDIR)
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$(QUIET) install -m 644 $< $@
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$(APPDIR)/customizable_types: policy.conf
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@mkdir -p $(APPDIR)
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$(QUIET) grep "^type .*customizable" $< | cut -d',' -f1 | cut -d' ' -f2 > tmp/customizable_types
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$(QUIET) install -m 644 tmp/customizable_types $@
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$(APPDIR)/default_type: $(APPCONF)/default_type
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@mkdir -p $(APPDIR)
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$(QUIET) install -m 644 $< $@
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$(APPDIR)/userhelper_context: $(APPCONF)/userhelper_context
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@mkdir -p $(APPDIR)
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$(QUIET) install -m 644 $< $@
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$(APPDIR)/initrc_context: $(APPCONF)/initrc_context
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@mkdir -p $(APPDIR)
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$(QUIET) install -m 644 $< $@
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$(APPDIR)/failsafe_context: $(APPCONF)/failsafe_context
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@mkdir -p $(APPDIR)
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$(QUIET) install -m 644 $< $@
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$(APPDIR)/dbus_contexts: $(APPCONF)/dbus_contexts
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@mkdir -p $(APPDIR)
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$(QUIET) install -m 644 $< $@
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$(APPDIR)/users/root: $(APPCONF)/root_default_contexts
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@mkdir -p $(APPDIR)/users
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$(QUIET) install -m 644 $< $@
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########################################
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#
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# Install policy sources
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#
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install-src:
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rm -rf $(SRCPATH)/policy.old
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-mv $(SRCPATH)/policy $(SRCPATH)/policy.old
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mkdir -p $(SRCPATH)/policy
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cp -R . $(SRCPATH)/policy
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########################################
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#
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# Clean everything
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#
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bare: clean
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rm -f $(POLXML)
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rm -f $(SUPPORT)/*.pyc
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rm -f $(FCSORT)
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rm -f $(MOD_CONF)
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rm -f $(TUNABLES)
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rm -fR $(HTMLDIR)
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ifneq ($(GENERATED_TE),)
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rm -f $(GENERATED_TE)
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endif
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ifneq ($(GENERATED_IF),)
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rm -f $(GENERATED_IF)
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endif
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ifneq ($(GENERATED_FC),)
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rm -f $(GENERATED_FC)
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endif
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.PHONY: install-src install-appconfig conf html bare
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