462 lines
14 KiB
Makefile
462 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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#
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# Configurable portions of the Makefile
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#
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# Override default policy 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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# strict and strict-mls are currently supported.
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TYPE = strict
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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 =
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# Build monolithic policy. Putting n here
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# will build a loadable module policy.
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# Only monolithic policies are currently supported.
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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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LOADPOLICY := $(SBINDIR)/load_policy
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SETFILES := $(SBINDIR)/setfiles
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SUPPORT := support
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GENDOC := $(SUPPORT)/sedoctool.py
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FCSORT := $(SUPPORT)/fc_sort
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SETTUN := $(SUPPORT)/set_tunables
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XMLLINT := $(BINDIR)/xmllint
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# enable MLS if requested.
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ifneq ($(findstring mls,$(TYPE)),)
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override M4PARAM += -D enable_mls
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CHECKPOLICY += -M
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endif
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# compile targeted policy if requested.
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ifneq ($(findstring targeted,$(TYPE)),)
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override M4PARAM += -D targeted_policy
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endif
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ifeq ($(MONOLITHIC),y)
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override M4PARAM += -D monolithic_policy
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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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# install paths
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TOPDIR = $(DESTDIR)/etc/selinux
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INSTALLDIR = $(TOPDIR)/$(NAME)
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POLICYPATH = $(INSTALLDIR)/policy
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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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LOADPATH = $(POLICYPATH)/$(POLVER)
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FCPATH = $(CONTEXTPATH)/files/file_contexts
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HOMEDIRPATH = $(CONTEXTPATH)/files/homedir_template
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POLDIR = policy
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MODDIR = $(POLDIR)/modules
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BASE_MODULE = $(MODDIR)/kernel
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FLASKDIR = $(POLDIR)/flask
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APPCONF = config/appconfig
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M4SUPPORT = $(wildcard $(POLDIR)/support/*.spt)
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GLOBALTUN := $(POLDIR)/global_tunables
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MOD_DISABLE := $(POLDIR)/modules.conf
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TUNABLES := $(POLDIR)/tunables.conf
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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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DISABLEMOD := $(foreach mod,$(shell egrep -v '^[[:blank:]]*\#' $(MOD_DISABLE)),$(subst ./,,$(shell find -iname $(mod).te)))
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ALL_LAYERS := $(shell find $(wildcard policy/modules/*) -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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DETECTED_MODS := $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.te)) $(GENERATED_TE)
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ALL_MODULES := $(filter-out $(DISABLEMOD),$(DETECTED_MODS))
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PRE_TE_FILES := $(addprefix $(FLASKDIR)/,security_classes initial_sids access_vectors) $(M4SUPPORT) $(POLDIR)/mls
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ALL_INTERFACES := $(ALL_MODULES:.te=.if)
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ALL_TE_FILES := $(ALL_MODULES)
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POST_TE_FILES := $(POLDIR)/users $(POLDIR)/constraints
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ALL_FC_FILES := $(ALL_MODULES:.te=.fc)
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POLICY_SECTIONS := tmp/pre_te_files.conf tmp/generated_definitions.conf tmp/all_interfaces.conf tmp/all_attrs_types.conf $(GLOBALTUN) tmp/only_te_rules.conf tmp/all_post.conf
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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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HTMLDIR = $(DOCS)/html
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DOCTEMPLATE = $(DOCS)/templates
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########################################
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#
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# default action: build policy locally
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#
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default: policy
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policy: $(POLVER)
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install: $(LOADPATH) $(FCPATH) $(APPFILES) $(USERPATH)/local.users
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load: tmp/load
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########################################
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#
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# Build a binary policy locally
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#
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$(POLVER): policy.conf
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@echo "Compiling $(NAME) $(POLVER)"
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ifneq ($(PV),$(KV))
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@echo
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@echo "WARNING: Policy version mismatch! Is your OUTPUT_POLICY set correctly?"
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@echo
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endif
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$(QUIET) $(CHECKPOLICY) $^ -o $@
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########################################
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#
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# Install a binary policy
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#
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$(LOADPATH): policy.conf
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@mkdir -p $(POLICYPATH)
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@echo "Compiling and installing $(NAME) $(LOADPATH)"
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ifneq ($(PV),$(KV))
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@echo
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@echo "WARNING: Policy version mismatch! Is your OUTPUT_POLICY set correctly?"
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@echo
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endif
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$(QUIET) $(CHECKPOLICY) $^ -o $@
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########################################
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#
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# Load the binary policy
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#
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reload tmp/load: $(LOADPATH) $(FCPATH)
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@echo "Loading $(NAME) $(LOADPATH)"
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$(QUIET) $(LOADPOLICY) -q $(LOADPATH)
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@touch tmp/load
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########################################
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#
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# Construct a monolithic policy.conf
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#
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policy.conf: $(POLICY_SECTIONS)
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@echo "Creating $(NAME) policy.conf"
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# checkpolicy can use the #line directives provided by -s for error reporting:
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$(QUIET) m4 $(M4PARAM) -s $^ > tmp/$@.tmp
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$(QUIET) sed -e /^portcon/d -e /^nodecon/d -e /^netifcon/d < tmp/$@.tmp > $@
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# the ordering of these ocontexts matters:
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$(QUIET) grep ^portcon tmp/$@.tmp >> $@ || true
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$(QUIET) grep ^netifcon tmp/$@.tmp >> $@ || true
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$(QUIET) grep ^nodecon tmp/$@.tmp >> $@ || true
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tmp/pre_te_files.conf: $(PRE_TE_FILES)
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@test -d tmp || mkdir -p tmp
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$(QUIET) cat $^ > $@
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tmp/generated_definitions.conf: $(ALL_LAYERS) $(ALL_TE_FILES) $(TUNABLES)
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# per-userdomain templates:
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@test -d tmp || mkdir -p tmp
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$(QUIET) echo "define(\`per_userdomain_templates',\`" > $@
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$(QUIET) for i in $(patsubst %.te,%,$(notdir $(ALL_MODULES))); do \
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echo "ifdef(\`""$$i""_per_userdomain_template',\`""$$i""_per_userdomain_template("'$$1'")')" \
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>> $@ ;\
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done
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$(QUIET) echo "')" >> $@
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# define foo.te
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$(QUIET) for i in $(notdir $(ALL_MODULES)); do \
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echo "define(\`$$i')" >> $@ ;\
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done
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$(QUIET) $(SETTUN) $(TUNABLES) >> $@
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tmp/all_interfaces.conf: $(ALL_INTERFACES)
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@test -d tmp || mkdir -p tmp
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$(QUIET) cat $^ > $@
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tmp/all_te_files.conf: $(ALL_TE_FILES)
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@test -d tmp || mkdir -p tmp
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$(QUIET) cat $^ > $@
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tmp/post_te_files.conf: $(POST_TE_FILES)
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@test -d tmp || mkdir -p tmp
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$(QUIET) cat $^ > $@
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# extract attributes and put them first. extract post te stuff
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# like genfscon and put last. portcon, nodecon, and netifcon
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# is delayed since they are generated by m4
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tmp/all_attrs_types.conf tmp/only_te_rules.conf tmp/all_post.conf: tmp/all_te_files.conf tmp/post_te_files.conf
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$(QUIET) grep ^attribute tmp/all_te_files.conf > tmp/all_attrs_types.conf || true
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$(QUIET) grep '^type ' tmp/all_te_files.conf >> tmp/all_attrs_types.conf
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$(QUIET) cat tmp/post_te_files.conf > tmp/all_post.conf
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$(QUIET) grep '^sid ' tmp/all_te_files.conf >> tmp/all_post.conf || true
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$(QUIET) egrep '^fs_use_(xattr|task|trans)' tmp/all_te_files.conf >> tmp/all_post.conf || true
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$(QUIET) grep ^genfscon tmp/all_te_files.conf >> tmp/all_post.conf || true
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$(QUIET) sed -r -e /^attribute/d -e '/^type /d' -e /^genfscon/d \
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-e '/^sid /d' -e '/^fs_use_(xattr|task|trans)/d' \
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< tmp/all_te_files.conf > tmp/only_te_rules.conf
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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 $(M4PARAM) -D monolithic_policy $(M4SUPPORT) $(MODDIR)/kernel/corenetwork.if.m4 - \
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| sed -e 's/dollarsone/\$$1/g' -e 's/dollarszero/\$$0/g' >> $@
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$(QUIET) echo "## </module>" >> $@
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$(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 $(M4PARAM) -D monolithic_policy $(M4SUPPORT) $^ \
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| sed -e 's/dollarsone/\$$1/g' -e 's/dollarszero/\$$0/g' >> $@
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########################################
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#
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# Remove the dontaudit rules from the policy.conf
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#
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enableaudit: policy.conf
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@test -d tmp || mkdir -p tmp
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@echo "Removing dontaudit rules from policy.conf"
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$(QUIET) grep -v dontaudit policy.conf > tmp/policy.audit
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$(QUIET) mv tmp/policy.audit policy.conf
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########################################
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#
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# Construct file_contexts
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#
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$(FC): $(M4SUPPORT) $(ALL_FC_FILES)
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@test -d tmp || mkdir -p tmp
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$(QUIET) m4 $(M4PARAM) $^ > $@
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########################################
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#
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# Install file_contexts
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#
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$(FCPATH): $(FC) $(USERPATH)/system.users
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@mkdir -p $(CONTEXTPATH)/files
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$(QUIET) install -m 644 $(FC) $(FCPATH)
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# $(QUIET) install -m 644 $(HOMEDIR_TEMPLATE) $(HOMEDIRPATH)
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# $(QUIET) $(GENHOMEDIRCON) -d $(TOPDIR) -t $(TYPE) $(USEPWD)
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$(QUIET) $(FCSORT) $(FCPATH) $(FCPATH)
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########################################
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#
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# Filesystem labeling
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#
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FILESYSTEMS := `mount | grep -v "context=" | egrep -v '\((|.*,)bind(,.*|)\)' | awk '/(ext[23]| xfs| jfs).*rw/{print $$3}';`
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checklabels: $(FC) $(SETFILES)
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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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$(QUIET) $(SETFILES) -v -n $(FC) $(FILESYSTEMS)
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restorelabels: $(FC) $(SETFILES)
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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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$(QUIET) $(SETFILES) -v $(FC) $(FILESYSTEMS)
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relabel: $(FC) $(SETFILES)
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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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$(QUIET) $(SETFILES) $(FC) $(FILESYSTEMS)
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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_DISABLE) $(TUNABLES): $(POLXML)
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@echo "Creating $(MOD_DISABLE) and $(TUNABLES)"
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$(QUIET) cd $(DOCS) && ../$(GENDOC) -t ../$(TUNABLES) -m ../$(MOD_DISABLE) -x ../$(POLXML)
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########################################
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#
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# Documentation generation
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#
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# no 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
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$(POLXML): $(GENERATED_IF)
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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 "policy.dtd">' >> $@
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$(QUIET) echo "<policy>" >> $@
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# process this through m4 to eliminate the generated definitions templates.
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# currently these are only in corenetwork.if
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$(QUIET) m4 $(ALL_INTERFACES) $(GLOBALTUN) | egrep -h "^##[[:blank:]]" | sed -e 's/^##[[:blank:]]//g' >> $@
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$(QUIET) echo "</policy>" >> $@
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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 $(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: local.users
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@mkdir -p $(USERPATH)
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@echo "Installing local.users"
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$(QUIET) install -C -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: $(APPFILES)
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$(CONTEXTPATH)/files/media: $(APPCONF)/media
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mkdir -p $(CONTEXTPATH)/files/
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install -m 644 $< $@
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$(APPDIR)/default_contexts: $(APPCONF)/default_contexts
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mkdir -p $(APPDIR)
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install -m 644 $< $@
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$(APPDIR)/removable_context: $(APPCONF)/removable_context
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mkdir -p $(APPDIR)
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install -m 644 $< $@
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$(APPDIR)/customizable_types: policy.conf
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mkdir -p $(APPDIR)
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@grep "^type .*customizable" $< | cut -d',' -f1 | cut -d' ' -f2 > tmp/customizable_types
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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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install -m 644 $< $@
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$(APPDIR)/userhelper_context: $(APPCONF)/userhelper_context
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mkdir -p $(APPDIR)
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install -m 644 $< $@
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$(APPDIR)/initrc_context: $(APPCONF)/initrc_context
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mkdir -p $(APPDIR)
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install -m 644 $< $@
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$(APPDIR)/failsafe_context: $(APPCONF)/failsafe_context
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mkdir -p $(APPDIR)
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install -m 644 $< $@
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$(APPDIR)/dbus_contexts: $(APPCONF)/dbus_contexts
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mkdir -p $(APPDIR)
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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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install -m 644 $< $@
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clean:
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rm -fR tmp
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rm -f policy.conf
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rm -f policy.$(PV)
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rm -f $(FC)
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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_DISABLE)
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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: default policy install reload enableaudit checklabels restorelabels relabel conf clean bare
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