464 lines
14 KiB
Makefile
464 lines
14 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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# Please see build.conf for policy build options.
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#
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########################################
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#
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# NO OPTIONS BELOW HERE
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#
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include build.conf
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# refpolicy version
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VERSION = $(shell cat VERSION)
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# executable paths
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BINDIR := /usr/bin
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SBINDIR := /usr/sbin
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CHECKPOLICY := $(BINDIR)/checkpolicy
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CHECKMODULE := $(BINDIR)/checkmodule
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SEMODULE := $(SBINDIR)/semodule
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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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SECHECK := $(BINDIR)/sechecker
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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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DEVMAKEFILE = $(SUPPORT)/Makefile.devel
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EXAMPLEMOD = $(addprefix $(DOCS)/,example.te example.if example.fc)
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# config file paths
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GLOBALTUN = $(POLDIR)/global_tunables
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GLOBALBOOL = $(POLDIR)/global_booleans
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MOD_CONF = $(POLDIR)/modules.conf
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TUNABLES = $(POLDIR)/tunables.conf
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BOOLEANS = $(POLDIR)/booleans.conf
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ROLEMAP = $(POLDIR)/rolemap
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# install paths
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PKGNAME ?= refpolicy-$(VERSION)
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PREFIX = $(DESTDIR)/usr
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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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FCPATH = $(CONTEXTPATH)/files/file_contexts
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SHAREDIR = $(PREFIX)/share/selinux
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MODPKGDIR = $(SHAREDIR)/$(NAME)
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HEADERDIR = $(SHAREDIR)/refpolicy/include
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DOCSDIR = $(PREFIX)/share/doc/$(PKGNAME)
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# compile strict policy if requested.
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ifneq ($(findstring strict,$(TYPE)),)
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M4PARAM += -D strict_policy
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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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M4PARAM += -D targeted_policy
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endif
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# enable MLS if requested.
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ifneq ($(findstring -mls,$(TYPE)),)
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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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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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# enable distribution-specific policy
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ifneq ($(DISTRO),)
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M4PARAM += -D distro_$(DISTRO)
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endif
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# enable polyinstantiation
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ifeq ($(POLY),y)
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M4PARAM += -D enable_polyinstantiation
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endif
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ifneq ($(OUTPUT_POLICY),)
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CHECKPOLICY += -c $(OUTPUT_POLICY)
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endif
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# if not set, use the type as the name.
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NAME ?= $(TYPE)
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ifeq ($(DIRECT_INITRC),y)
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M4PARAM += -D direct_sysadm_daemon
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endif
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ifeq ($(QUIET),y)
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verbose = @
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endif
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M4PARAM += -D hide_broken_symptoms
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# we need exuberant ctags; unfortunately it is named
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# differently on different distros
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ifeq ($(DISTRO),debian)
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CTAGS := ctags-exuberant
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endif
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ifeq ($(DISTRO),gentoo)
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CTAGS := exuberant-ctags
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endif
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CTAGS ?= ctags
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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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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
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CONTEXTFILES += $(wildcard $(APPCONF)/*_context*) $(APPCONF)/media
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USER_FILES := $(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 loadable module
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MODMOD := module
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# modules.conf setting for unused module
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MODUNUSED := off
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# extract settings from modules.conf
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BASE_MODS := $(addsuffix .te,$(shell awk '/^[[:blank:]]*[[:alpha:]]/{ if ($$3 == "$(MODBASE)") print $$1 }' $(MOD_CONF) 2> /dev/null))
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MOD_MODS := $(addsuffix .te,$(shell awk '/^[[:blank:]]*[[:alpha:]]/{ if ($$3 == "$(MODMOD)") print $$1 }' $(MOD_CONF) 2> /dev/null))
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OFF_MODS := $(addsuffix .te,$(shell awk '/^[[:blank:]]*[[:alpha:]]/{ if ($$3 == "$(MODUNUSED)") print $$1 }' $(MOD_CONF) 2> /dev/null))
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# filesystems to be labeled
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FILESYSTEMS = $(shell mount | grep -v "context=" | egrep -v '\((|.*,)bind(,.*|)\)' | awk '/(ext[23]| xfs| jfs).*rw/{print $$3}';)
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########################################
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#
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# Functions
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#
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# parse-rolemap modulename,outputfile
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define parse-rolemap
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$(verbose) m4 $(M4PARAM) $(ROLEMAP) | \
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awk '/^[[:blank:]]*[A-Za-z]/{ print "gen_require(type " $$3 "; role " $$1 ";)\n$1_per_userdomain_template(" $$2 "," $$3 "," $$1 ")" }' >> $2
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endef
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# peruser-expansion modulename,outputfile
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define peruser-expansion
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$(verbose) echo "ifdef(\`""$1""_per_userdomain_template',\`" > $2
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$(call parse-rolemap,$1,$2)
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$(verbose) echo "')" >> $2
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endef
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########################################
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#
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# Load appropriate rules
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#
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ifeq ($(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 "#" >> $@
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$(verbose) cat $(MODDIR)/kernel/corenetwork.if.in >> $@
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$(verbose) egrep "^[[:blank:]]*network_(interface|node|port)\(.*\)" $(@:.if=.te).in \
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| m4 -D self_contained_policy $(M4PARAM) $(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 "#" >> $@
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$(verbose) m4 -D self_contained_policy $(M4PARAM) $^ \
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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) $(BOOLEANS) $(GENERATED_TE) $(GENERATED_IF) $(GENERATED_FC)
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$(MOD_CONF) $(BOOLEANS): $(POLXML)
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@echo "Updating $(MOD_CONF) and $(BOOLEANS)"
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$(verbose) cd $(DOCS) && ../$(GENDOC) -t ../$(BOOLEANS) -m ../$(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 $@"
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@mkdir -p tmp
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$(verbose) echo '<?xml version="1.0" encoding="ISO-8859-1" standalone="no"?>' > $@
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$(verbose) echo '<!DOCTYPE policy SYSTEM "$(notdir $(XMLDTD))">' >> $@
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$(verbose) $(GENXML) -w -m $(LAYERXML) -t $(GLOBALTUN) -b $(GLOBALBOOL) $(ALL_LAYERS) >> $@
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$(verbose) 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 tmp/html: $(POLXML)
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@echo "Building html interface reference documentation in $(HTMLDIR)"
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@mkdir -p $(HTMLDIR)
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$(verbose) cd $(DOCS) && ../$(GENDOC) -d ../$(HTMLDIR) -T ../$(DOCTEMPLATE) -x ../$(POLXML)
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$(verbose) cp $(DOCTEMPLATE)/*.css $(HTMLDIR)
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@touch tmp/html
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########################################
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#
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# Runtime binary policy patching of users
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#
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$(USERPATH)/system.users: $(M4SUPPORT) tmp/generated_definitions.conf $(USER_FILES)
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@mkdir -p $(USERPATH)
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@echo "Installing system.users"
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@echo "# " > tmp/system.users
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@echo "# Do not edit this file. " >> tmp/system.users
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@echo "# This file is replaced on reinstalls of this policy." >> tmp/system.users
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@echo "# Please edit local.users to make local changes." >> tmp/system.users
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@echo "#" >> tmp/system.users
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$(verbose) m4 -D self_contained_policy $(M4PARAM) $^ | sed -r -e 's/^[[:blank:]]+//' \
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-e '/^[[:blank:]]*($$|#)/d' >> tmp/system.users
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$(verbose) install -m 644 tmp/system.users $@
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$(USERPATH)/local.users: config/local.users
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@mkdir -p $(USERPATH)
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@echo "Installing local.users"
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$(verbose) install -b -m 644 $< $@
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########################################
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#
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# Appconfig files
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#
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install-appconfig: $(APPFILES)
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$(INSTALLDIR)/booleans: $(BOOLEANS)
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@mkdir -p $(INSTALLDIR)
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$(verbose) sed -r -e 's/false/0/g' -e 's/true/1/g' \
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-e '/^[[:blank:]]*($$|#)/d' $(BOOLEANS) | sort > tmp/booleans
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$(verbose) install -m 644 tmp/booleans $@
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$(CONTEXTPATH)/files/media: $(APPCONF)/media
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@mkdir -p $(CONTEXTPATH)/files/
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$(verbose) install -m 644 $< $@
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$(APPDIR)/default_contexts: $(APPCONF)/default_contexts
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@mkdir -p $(APPDIR)
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$(verbose) install -m 644 $< $@
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$(APPDIR)/removable_context: $(APPCONF)/removable_context
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@mkdir -p $(APPDIR)
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$(verbose) install -m 644 $< $@
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$(APPDIR)/default_type: $(APPCONF)/default_type
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@mkdir -p $(APPDIR)
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$(verbose) install -m 644 $< $@
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$(APPDIR)/userhelper_context: $(APPCONF)/userhelper_context
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@mkdir -p $(APPDIR)
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$(verbose) install -m 644 $< $@
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$(APPDIR)/initrc_context: $(APPCONF)/initrc_context
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@mkdir -p $(APPDIR)
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$(verbose) install -m 644 $< $@
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$(APPDIR)/failsafe_context: $(APPCONF)/failsafe_context
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@mkdir -p $(APPDIR)
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$(verbose) install -m 644 $< $@
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$(APPDIR)/dbus_contexts: $(APPCONF)/dbus_contexts
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@mkdir -p $(APPDIR)
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$(verbose) install -m 644 $< $@
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$(APPDIR)/users/root: $(APPCONF)/root_default_contexts
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@mkdir -p $(APPDIR)/users
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$(verbose) install -m 644 $< $@
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########################################
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#
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# Install policy headers
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#
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install-headers: $(DETECTED_MODS:.te=.if) $(ROLEMAP) $(M4SUPPORT)
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@mkdir -p $(HEADERDIR)
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@echo "Installing policy headers"
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$(verbose) install -m 644 $^ $(HEADERDIR)
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$(verbose) $(GENPERM) $(AVS) $(SECCLASS) > $(HEADERDIR)/all_perms.spt
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########################################
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#
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# Install policy documentation
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#
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install-docs: $(DEVMAKEFILE) $(EXAMPLEMOD) build.conf tmp/html
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@mkdir -p $(DOCSDIR)/html
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@echo "Installing policy documentation"
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$(verbose) install -m 644 $(DEVMAKEFILE) $(EXAMPLEMOD) $(DOCSDIR)
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$(verbose) install -m 644 build.conf $(DOCSDIR)/build.conf.example
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$(verbose) install -m 644 $(wildcard $(HTMLDIR)/*) $(DOCSDIR)/html
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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 . $(SRCPATH)/policy
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########################################
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#
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# Generate tags file
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#
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tags:
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@($(CTAGS) --version | grep -q Exuberant) || (echo ERROR: Need exuberant-ctags to function!; exit 1)
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@LC_ALL=C $(CTAGS) --langdef=te --langmap=te:..te.if.spt \
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--regex-te='/^type[ \t]+(\w+)(,|;)/\1/t,type/' \
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--regex-te='/^typealias[ \t]+\w+[ \t+]+alias[ \t]+(\w+);/\1/t,type/' \
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--regex-te='/^attribute[ \t]+(\w+);/\1/a,attribute/' \
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--regex-te='/^[ \t]*define\(`(\w+)/\1/d,define/' \
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--regex-te='/^[ \t]*interface\(`(\w+)/\1/i,interface/' \
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--regex-te='/^[ \t]*bool[ \t]+(\w+)/\1/b,bool/' policy/modules/*/*.{if,te} policy/support/*.spt
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########################################
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#
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# Filesystem labeling
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#
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checklabels:
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@echo "Checking labels on filesystem types: ext2 ext3 xfs jfs"
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@if test -z "$(FILESYSTEMS)"; then \
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echo "No filesystems with extended attributes found!" ;\
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false ;\
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fi
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$(verbose) $(SETFILES) -v -n $(FCPATH) $(FILESYSTEMS)
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restorelabels:
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@echo "Restoring labels on filesystem types: ext2 ext3 xfs jfs"
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@if test -z "$(FILESYSTEMS)"; then \
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echo "No filesystems with extended attributes found!" ;\
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false ;\
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fi
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$(verbose) $(SETFILES) -v $(FCPATH) $(FILESYSTEMS)
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relabel:
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@echo "Relabeling filesystem types: ext2 ext3 xfs jfs"
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@if test -z "$(FILESYSTEMS)"; then \
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echo "No filesystems with extended attributes found!" ;\
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false ;\
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fi
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$(verbose) $(SETFILES) $(FCPATH) $(FILESYSTEMS)
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resetlabels:
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@echo "Resetting labels on filesystem types: ext2 ext3 xfs jfs"
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@if test -z "$(FILESYSTEMS)"; then \
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echo "No filesystems with extended attributes found!" ;\
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false ;\
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fi
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$(verbose) $(SETFILES) -F $(FCPATH) $(FILESYSTEMS)
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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 $(BOOLEANS)
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rm -fR $(HTMLDIR)
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rm -f tags
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ifneq ($(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 tags
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.SUFFIXES:
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.SUFFIXES: .c
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