353 lines
10 KiB
Makefile
353 lines
10 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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# Build compatibility policies
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POLICYCOMPAT = 18
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# Build MLS policies
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MLS=n
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# set distribution
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override M4PARAM += -D distro_redhat
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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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# Invariant portions of the Makefile
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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 := $(SBINDIR)/setfiles
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# enable MLS if requested.
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ifeq ($(MLS),y)
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override M4PARAM += -D enable_mls
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CHECKPOLICY += -M
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endif
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ifneq ($(POLICYCOMPAT),)
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CHECKPOLICY += -c $(POLICYCOMPAT)
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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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TYPE := strict
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# install paths
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TOPDIR = $(DESTDIR)/etc/selinux
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INSTALLDIR = $(TOPDIR)/$(TYPE)
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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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BASE_MODULE = kernel
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FLASKDIR = flask
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APPCONF = appconfig
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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 := users
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DETECTED_DIRS := $(shell find $(wildcard *) -maxdepth 0 -type d)
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ALL_LAYERS := $(filter-out tmp CVS $(APPCONF) $(FLASKDIR),$(DETECTED_DIRS))
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PRE_TE_FILES := $(addprefix $(FLASKDIR)/,security_classes initial_sids access_vectors) mls
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ALL_INTERFACES := $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.if))
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ALL_TE_FILES := $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.te))
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POST_TE_FILES := users constraints initial_sid_contexts fs_use
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ALL_FC_FILES := $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.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 tmp/only_te_rules.conf tmp/all_post.conf
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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) $(USERPATH)/local.users
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load: tmp/load
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########################################
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#
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# Build a binary policy locally
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#
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$(POLVER): policy.conf
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@echo "Compiling $(POLVER)"
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ifneq ($(PV),$(KV))
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@echo
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@echo "WARNING: Policy version mismatch! Is your POLICYCOMPAT set correctly?"
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@echo
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endif
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$(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 $(LOADPATH)"
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ifneq ($(PV),$(KV))
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@echo
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@echo "WARNING: Policy version mismatch! Is your POLICYCOMPAT set correctly?"
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@echo
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endif
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$(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 $(LOADPATH)"
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$(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: $(POLICY_SECTIONS)
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@echo "Creating policy.conf"
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# checkpolicy can use the #line directives provided by -s for error reporting:
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$(QUIET) m4 $(M4PARAM) -D monolithic_policy -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) $(BASE_MODULE)/corenetwork.if $(BASE_MODULE)/corenetwork.te
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@test -d tmp || mkdir -p tmp
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$(QUIET) echo "define(\`per_userdomain_templates',\`" > $@
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$(QUIET) for i in $(patsubst %.te,%,$(notdir $(ALL_TE_FILES))); do \
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echo "ifdef(\`""$$i""_per_userdomain_template',\`""$$i""_per_userdomain_template("'$$1'")')" \
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>> $@ ;\
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done
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$(QUIET) echo "')" >> $@
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$(QUIET) for i in $(notdir $(ALL_TE_FILES)); do \
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echo "define(\`$$i')" >> $@ ;\
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done
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$(QUIET) egrep "^network_(interface|node|port)\(.*\)" $(BASE_MODULE)/corenetwork.te \
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| m4 $(M4PARAM) -D monolithic_policy -D interface_pass $(BASE_MODULE)/global.if $(BASE_MODULE)/corenetwork.if - \
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| sed -e 's/dollarsone/\$$1/g' -e 's/dollarszero/\$$0/g' >> $@
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# this is so the xml works:
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$(QUIET) echo "## </module>" >> $@
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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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$(QUIET) grep ^genfscon tmp/all_te_files.conf >> tmp/all_post.conf || true
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$(QUIET) sed -e /^attribute/d -e '/^type /d' -e /^genfscon/d < tmp/all_te_files.conf > tmp/only_te_rules.conf
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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): kernel/global.if $(ALL_FC_FILES)
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@test -d tmp || mkdir -p tmp
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$(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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########################################
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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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# Documentation generation
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#
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xml: policy.xml
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policy.xml: $(ALL_INTERFACES) tmp/generated_definitions.conf
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@echo "Creating $@"
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$(QUIET) echo "<policy>" > $@
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$(QUIET) egrep -h "^##[[:space:]]" $^ | sed -e 's/^##[[:space:]]//g' >> $@
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$(QUIET) echo "</policy>" >> $@
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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 $< $@
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clean:
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rm -fR tmp
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rm -f policy.xml
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rm -f policy.conf
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rm -f policy.$(PV)
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rm -f $(FC)
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.PHONY: default policy install reload enableaudit checklabels restorelabels relabel xml clean
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