rpms/selinux-policy
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initial support for compiling loadable modules

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This commit is contained in:
Chris PeBenito 2005-08-18 21:27:20 +00:00
parent f862c35c37
commit fb0a3a98c6
9 changed files with 440 additions and 243 deletions
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1
refpolicy/Changelog
View File

@ -1,3 +1,4 @@
* Add Makefile support for building loadable modules.
* Change sedoctool to make required modules part of base
by default, otherwise make as modules, in modules.conf.
* Fix segenxml to handle modules with no interfaces.

284
refpolicy/Makefile
View File

@ -63,24 +63,52 @@ PREFIX := /usr
BINDIR := $(PREFIX)/bin
SBINDIR := $(PREFIX)/sbin
CHECKPOLICY := $(BINDIR)/checkpolicy
CHECKMODULE := $(BINDIR)/checkmodule
SEMOD_PKG := $(BINDIR)/semodule_package
LOADPOLICY := $(SBINDIR)/load_policy
SETFILES := $(SBINDIR)/setfiles
GENHOMEDIRCON := $(SBINDIR)/genhomedircon
XMLLINT := $(BINDIR)/xmllint
CFLAGS := -Wall
# policy source layout
POLDIR = policy
MODDIR = $(POLDIR)/modules
FLASKDIR = $(POLDIR)/flask
# policy building support tools
SUPPORT := support
GENXML := $(SUPPORT)/segenxml.py
GENDOC := $(SUPPORT)/sedoctool.py
FCSORT := $(SUPPORT)/fc_sort
SETTUN := $(SUPPORT)/set_tunables
XMLLINT := $(BINDIR)/xmllint
# documentation paths
DOCS = doc
POLXML = $(DOCS)/policy.xml
XMLDTD = $(DOCS)/policy.dtd
LAYERXML = metadata.xml
HTMLDIR = $(DOCS)/html
DOCTEMPLATE = $(DOCS)/templates
# config file paths
GLOBALTUN := $(POLDIR)/global_tunables
MOD_CONF := $(POLDIR)/modules.conf
TUNABLES := $(POLDIR)/tunables.conf
# install paths
TOPDIR = $(DESTDIR)/etc/selinux
INSTALLDIR = $(TOPDIR)/$(NAME)
SRCPATH = $(INSTALLDIR)/src
USERPATH = $(INSTALLDIR)/users
CONTEXTPATH = $(INSTALLDIR)/contexts
# enable MLS if requested.
ifneq ($(findstring mls,$(TYPE)),)
override M4PARAM += -D enable_mls
CHECKPOLICY += -M
CHECKMODULE += -M
endif
# compile targeted policy if requested.
@ -93,10 +121,6 @@ ifneq ($(DISTRO),)
override M4PARAM += -D distro_$(DISTRO)
endif
ifeq ($(MONOLITHIC),y)
override M4PARAM += -D monolithic_policy
endif
ifneq ($(OUTPUT_POLICY),)
CHECKPOLICY += -c $(OUTPUT_POLICY)
endif
@ -118,32 +142,13 @@ endif
FC := file_contexts
POLVER := policy.$(PV)
# install paths
TOPDIR = $(DESTDIR)/etc/selinux
INSTALLDIR = $(TOPDIR)/$(NAME)
POLICYPATH = $(INSTALLDIR)/policy
SRCPATH = $(INSTALLDIR)/src
USERPATH = $(INSTALLDIR)/users
CONTEXTPATH = $(INSTALLDIR)/contexts
LOADPATH = $(POLICYPATH)/$(POLVER)
FCPATH = $(CONTEXTPATH)/files/file_contexts
HOMEDIRPATH = $(CONTEXTPATH)/files/homedir_template
POLDIR = policy
MODDIR = $(POLDIR)/modules
BASE_MODULE = $(MODDIR)/kernel
FLASKDIR = $(POLDIR)/flask
ifneq ($(findstring targeted,$(TYPE)),)
APPCONF := config/appconfig-targeted
else
APPCONF := config/appconfig-strict
endif
M4SUPPORT = $(wildcard $(POLDIR)/support/*.spt)
GLOBALTUN := $(POLDIR)/global_tunables
MOD_CONF := $(POLDIR)/modules.conf
TUNABLES := $(POLDIR)/tunables.conf
M4SUPPORT = $(wildcard $(POLDIR)/support/*.spt)
APPDIR := $(CONTEXTPATH)
APPFILES := $(addprefix $(APPDIR)/,default_contexts default_type initrc_context failsafe_context userhelper_context removable_context dbus_contexts customizable_types) $(CONTEXTPATH)/files/media $(INSTALLDIR)/booleans
@ -160,151 +165,31 @@ GENERATED_FC := $(basename $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.fc.in
# when a generated file is already generated
DETECTED_MODS := $(sort $(foreach dir,$(ALL_LAYERS),$(wildcard $(dir)/*.te)) $(GENERATED_TE))
# modules.conf setting for base module
MODBASE := base
# modules.conf setting for module
MODMOD := module
# extract settings from modules.conf
BASE_MODS := $(foreach mod,$(shell awk '/^[[:blank:]]*[[:alpha:]]/{ if ($$3 == "$(MODBASE)") print $$1 }' $(MOD_CONF) 2> /dev/null),$(subst ./,,$(shell find -iname $(mod).te)))
MOD_MODS := $(foreach mod,$(shell awk '/^[[:blank:]]*[[:alpha:]]/{ if ($$3 == "$(MODMOD)") print $$1 }' $(MOD_CONF) 2> /dev/null),$(subst ./,,$(shell find -iname $(mod).te)))
# for monolithic policy use all base and module to create policy
# for modular policy, use only base
########################################
#
# Load appropriate rules
#
ifeq ($(MONOLITHIC),y)
ENABLEMOD := $(BASE_MODS) $(MOD_MODS)
include Rules.monolithic
else
ENABLEMOD := $(BASE_MODS)
include Rules.modular
endif
ALL_MODULES := $(filter $(ENABLEMOD),$(DETECTED_MODS))
PRE_TE_FILES := $(addprefix $(FLASKDIR)/,security_classes initial_sids access_vectors) $(M4SUPPORT) $(POLDIR)/mls
ALL_INTERFACES := $(ALL_MODULES:.te=.if)
ALL_TE_FILES := $(ALL_MODULES)
POST_TE_FILES := $(POLDIR)/users $(POLDIR)/constraints
ALL_FC_FILES := $(ALL_MODULES:.te=.fc)
HOMEDIR_TEMPLATE = tmp/homedir_template
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
DOCS = doc
POLXML = $(DOCS)/policy.xml
XMLDTD = $(DOCS)/policy.dtd
LAYERXML = metadata.xml
HTMLDIR = $(DOCS)/html
DOCTEMPLATE = $(DOCS)/templates
########################################
#
# default action: build policy locally
# Generated files
#
default: policy
policy: $(POLVER)
install: $(LOADPATH) $(FCPATH) $(APPFILES) $(USERPATH)/local.users
load: tmp/load
########################################
#
# Build a binary policy locally
#
$(POLVER): policy.conf
@echo "Compiling $(NAME) $(POLVER)"
ifneq ($(PV),$(KV))
@echo
@echo "WARNING: Policy version mismatch! Is your OUTPUT_POLICY set correctly?"
@echo
endif
$(QUIET) $(CHECKPOLICY) $^ -o $@
########################################
#
# Install a binary policy
#
$(LOADPATH): policy.conf
@mkdir -p $(POLICYPATH)
@echo "Compiling and installing $(NAME) $(LOADPATH)"
ifneq ($(PV),$(KV))
@echo
@echo "WARNING: Policy version mismatch! Is your OUTPUT_POLICY set correctly?"
@echo
endif
$(QUIET) $(CHECKPOLICY) $^ -o $@
########################################
#
# Load the binary policy
#
reload tmp/load: $(LOADPATH) $(FCPATH)
@echo "Loading $(NAME) $(LOADPATH)"
$(QUIET) $(LOADPOLICY) -q $(LOADPATH)
@touch tmp/load
########################################
#
# Construct a monolithic policy.conf
#
policy.conf: $(POLICY_SECTIONS)
@echo "Creating $(NAME) policy.conf"
# checkpolicy can use the #line directives provided by -s for error reporting:
$(QUIET) m4 $(M4PARAM) -s $^ > tmp/$@.tmp
$(QUIET) sed -e /^portcon/d -e /^nodecon/d -e /^netifcon/d < tmp/$@.tmp > $@
# the ordering of these ocontexts matters:
$(QUIET) grep ^portcon tmp/$@.tmp >> $@ || true
$(QUIET) grep ^netifcon tmp/$@.tmp >> $@ || true
$(QUIET) grep ^nodecon tmp/$@.tmp >> $@ || true
tmp/pre_te_files.conf: $(PRE_TE_FILES)
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
tmp/generated_definitions.conf: $(ALL_LAYERS) $(ALL_TE_FILES)
# per-userdomain templates:
@test -d tmp || mkdir -p tmp
$(QUIET) echo "define(\`per_userdomain_templates',\`" > $@
$(QUIET) for i in $(patsubst %.te,%,$(notdir $(ALL_MODULES))); do \
echo "ifdef(\`""$$i""_per_userdomain_template',\`""$$i""_per_userdomain_template("'$$1'")')" \
>> $@ ;\
done
$(QUIET) echo "')" >> $@
# define foo.te
$(QUIET) for i in $(notdir $(ALL_MODULES)); do \
echo "define(\`$$i')" >> $@ ;\
done
$(QUIET) $(SETTUN) $(TUNABLES) >> $@
tmp/all_interfaces.conf: $(M4SUPPORT) $(ALL_INTERFACES)
ifeq ($(ALL_INTERFACES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@test -d tmp || mkdir -p tmp
$(QUIET) m4 $^ | sed -e s/dollarsstar/\$$\*/g > $@
tmp/all_te_files.conf: $(ALL_TE_FILES)
ifeq ($(ALL_TE_FILES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
tmp/post_te_files.conf: $(POST_TE_FILES)
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
# extract attributes and put them first. extract post te stuff
# like genfscon and put last. portcon, nodecon, and netifcon
# is delayed since they are generated by m4
tmp/all_attrs_types.conf tmp/only_te_rules.conf tmp/all_post.conf: tmp/all_te_files.conf tmp/post_te_files.conf
$(QUIET) grep ^attribute tmp/all_te_files.conf > tmp/all_attrs_types.conf || true
$(QUIET) grep '^type ' tmp/all_te_files.conf >> tmp/all_attrs_types.conf
$(QUIET) cat tmp/post_te_files.conf > tmp/all_post.conf
$(QUIET) grep '^sid ' tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) egrep '^fs_use_(xattr|task|trans)' tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) grep ^genfscon tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) sed -r -e /^attribute/d -e '/^type /d' -e /^genfscon/d \
-e '/^sid /d' -e '/^fs_use_(xattr|task|trans)/d' \
< tmp/all_te_files.conf > tmp/only_te_rules.conf
$(MODDIR)/kernel/corenetwork.if: $(MODDIR)/kernel/corenetwork.if.m4 $(MODDIR)/kernel/corenetwork.if.in
@echo "#" > $@
@echo "# This is a generated file! Instead of modifying this file, the" >> $@
@ -312,7 +197,7 @@ $(MODDIR)/kernel/corenetwork.if: $(MODDIR)/kernel/corenetwork.if.m4 $(MODDIR)/ke
@echo "#" >> $@
$(QUIET) cat $(MODDIR)/kernel/corenetwork.if.in >> $@
$(QUIET) egrep "^[[:blank:]]*network_(interface|node|port)\(.*\)" $(@:.if=.te).in \
| m4 $(M4PARAM) $(M4SUPPORT) $(MODDIR)/kernel/corenetwork.if.m4 - \
| m4 -D monolithic_policy $(M4PARAM) $(M4SUPPORT) $(MODDIR)/kernel/corenetwork.if.m4 - \
| sed -e 's/dollarsone/\$$1/g' -e 's/dollarszero/\$$0/g' >> $@
$(MODDIR)/kernel/corenetwork.te: $(MODDIR)/kernel/corenetwork.te.m4 $(MODDIR)/kernel/corenetwork.te.in
@ -320,74 +205,9 @@ $(MODDIR)/kernel/corenetwork.te: $(MODDIR)/kernel/corenetwork.te.m4 $(MODDIR)/ke
@echo "# This is a generated file! Instead of modifying this file, the" >> $@
@echo "# $(notdir $@).in or $(notdir $@).m4 file should be modified." >> $@
@echo "#" >> $@
$(QUIET) m4 $(M4PARAM) $(M4SUPPORT) $^ \
$(QUIET) m4 -D monolithic_policy $(M4PARAM) $(M4SUPPORT) $^ \
| sed -e 's/dollarsone/\$$1/g' -e 's/dollarszero/\$$0/g' >> $@
########################################
#
# Remove the dontaudit rules from the policy.conf
#
enableaudit: policy.conf
@test -d tmp || mkdir -p tmp
@echo "Removing dontaudit rules from policy.conf"
$(QUIET) grep -v dontaudit policy.conf > tmp/policy.audit
$(QUIET) mv tmp/policy.audit policy.conf
########################################
#
# Construct file_contexts
#
$(FC): $(M4SUPPORT) tmp/generated_definitions.conf $(ALL_FC_FILES) $(FCSORT)
ifeq ($(ALL_FC_FILES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@echo "Creating file_contexts."
@test -d tmp || mkdir -p tmp
$(QUIET) m4 $(M4PARAM) $(M4SUPPORT) tmp/generated_definitions.conf $(ALL_FC_FILES) > tmp/$@.tmp
$(QUIET) grep -e HOME -e ROLE tmp/$@.tmp > $(HOMEDIR_TEMPLATE)
$(QUIET) sed -i -e /HOME/d -e /ROLE/d tmp/$@.tmp
$(QUIET) $(FCSORT) tmp/$@.tmp $@
########################################
#
# Install file_contexts
#
$(FCPATH): $(FC) $(LOADPATH) $(USERPATH)/system.users
@echo "Validating file_contexts."
$(QUIET) $(SETFILES) -q -c $(LOADPATH) $(FC)
@echo "Installing file_contexts."
@mkdir -p $(CONTEXTPATH)/files
$(QUIET) install -m 644 $(FC) $(FCPATH)
$(QUIET) install -m 644 $(HOMEDIR_TEMPLATE) $(HOMEDIRPATH)
$(QUIET) $(GENHOMEDIRCON) -d $(TOPDIR) -t $(NAME) $(USEPWD)
########################################
#
# Filesystem labeling
#
FILESYSTEMS := `mount | grep -v "context=" | egrep -v '\((|.*,)bind(,.*|)\)' | awk '/(ext[23]| xfs| jfs).*rw/{print $$3}';`
checklabels: $(FC) $(SETFILES)
@if test -z "$(FILESYSTEMS)"; then \
echo "No filesystems with extended attributes found!" ;\
false ;\
fi
$(QUIET) $(SETFILES) -v -n $(FC) $(FILESYSTEMS)
restorelabels: $(FC) $(SETFILES)
@if test -z "$(FILESYSTEMS)"; then \
echo "No filesystems with extended attributes found!" ;\
false ;\
fi
$(QUIET) $(SETFILES) -v $(FC) $(FILESYSTEMS)
relabel: $(FC) $(SETFILES)
@if test -z "$(FILESYSTEMS)"; then \
echo "No filesystems with extended attributes found!" ;\
false ;\
fi
$(QUIET) $(SETFILES) $(FC) $(FILESYSTEMS)
########################################
#
# Create config files
@ -434,7 +254,7 @@ $(USERPATH)/system.users: $(USER_FILES) tmp/generated_definitions.conf
@echo "# This file is replaced on reinstalls of this policy." >> tmp/system.users
@echo "# Please edit local.users to make local changes." >> tmp/system.users
@echo "#" >> tmp/system.users
$(QUIET) m4 $(M4PARAM) tmp/generated_definitions.conf $(USER_FILES) | \
$(QUIET) m4 -D monolithic_policy $(M4PARAM) tmp/generated_definitions.conf $(USER_FILES) | \
egrep -v "^[[:space:]]*($$|#)" >> tmp/system.users
$(QUIET) install -m 644 tmp/system.users $@
@ -506,16 +326,6 @@ install-src:
mkdir -p $(SRCPATH)/policy
cp -R . $(SRCPATH)/policy
########################################
#
# Clean the sources
#
clean:
rm -fR tmp
rm -f policy.conf
rm -f policy.$(PV)
rm -f $(FC)
########################################
#
# Clean everything
@ -537,4 +347,4 @@ ifneq ($(GENERATED_FC),)
rm -f $(GENERATED_FC)
endif
.PHONY: default policy install load reload enableaudit checklabels restorelabels relabel conf clean bare
.PHONY: install-src install-appconfig conf html bare

160
refpolicy/Rules.modular Normal file
View File

@ -0,0 +1,160 @@
########################################
#
# Rules and Targets for building monolithic policies
#
ALL_MODULES := $(filter $(BASE_MODS) $(MOD_MODS),$(DETECTED_MODS))
ALL_INTERFACES := $(ALL_MODULES:.te=.if)
BASE_PKG := base.pp
BASE_FC := base.fc
BASE_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
BASE_PRE_TE_FILES := $(addprefix $(FLASKDIR)/,security_classes initial_sids access_vectors) $(M4SUPPORT) $(POLDIR)/mls
BASE_TE_FILES := $(BASE_MODS)
BASE_POST_TE_FILES := $(POLDIR)/users $(POLDIR)/constraints
BASE_FC_FILES := $(BASE_MODS:.te=.fc)
MOD_MODULES := $(MOD_MODS:.te=.mod)
MOD_PKGS := $(MOD_MODS:.te=.pp)
########################################
#
# default action: create all module packages
#
default: base modules
base: $(BASE_PKG)
modules: $(MOD_PKGS)
#policy: $(POLVER)
#install: $(LOADPATH) $(FCPATH) $(APPFILES) $(USERPATH)/local.users
#load: tmp/load
########################################
#
# Create a base module package
#
$(BASE_PKG): tmp/base.mod $(BASE_FC)
@echo "Creating $(NAME) base module package"
$(QUIET) $(SEMOD_PKG) $@ $^
########################################
#
# Compile a base module
#
tmp/base.mod: base.conf
@echo "Compiling $(NAME) base module"
$(QUIET) $(CHECKMODULE) $^ -o $@
########################################
#
# Construct a base module policy.conf
#
base.conf: $(BASE_SECTIONS)
@echo "Creating $(NAME) base module policy.conf"
# checkpolicy can use the #line directives provided by -s for error reporting:
$(QUIET) m4 -D monolithic_policy $(M4PARAM) -s $^ > tmp/$@.tmp
$(QUIET) sed -e /^portcon/d -e /^nodecon/d -e /^netifcon/d < tmp/$@.tmp > $@
# the ordering of these ocontexts matters:
$(QUIET) grep ^portcon tmp/$@.tmp >> $@ || true
$(QUIET) grep ^netifcon tmp/$@.tmp >> $@ || true
$(QUIET) grep ^nodecon tmp/$@.tmp >> $@ || true
tmp/pre_te_files.conf: $(BASE_PRE_TE_FILES)
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
tmp/generated_definitions.conf: $(ALL_LAYERS) $(ALL_TE_FILES)
# per-userdomain templates:
@test -d tmp || mkdir -p tmp
$(QUIET) echo "define(\`per_userdomain_templates',\`" > $@
$(QUIET) for i in $(patsubst %.te,%,$(notdir $(ALL_MODULES))); do \
echo "ifdef(\`""$$i""_per_userdomain_template',\`""$$i""_per_userdomain_template("'$$1'")')" \
>> $@ ;\
done
$(QUIET) echo "')" >> $@
# define foo.te
$(QUIET) for i in $(notdir $(ALL_MODULES)); do \
echo "define(\`$$i')" >> $@ ;\
done
$(QUIET) $(SETTUN) $(TUNABLES) >> $@
tmp/all_interfaces.conf: $(M4SUPPORT) $(ALL_INTERFACES)
ifeq ($(ALL_INTERFACES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@test -d tmp || mkdir -p tmp
$(QUIET) m4 $^ | sed -e s/dollarsstar/\$$\*/g > $@
tmp/all_te_files.conf: $(BASE_TE_FILES)
ifeq ($(BASE_TE_FILES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
tmp/post_te_files.conf: $(BASE_POST_TE_FILES)
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
# extract attributes and put them first. extract post te stuff
# like genfscon and put last. portcon, nodecon, and netifcon
# is delayed since they are generated by m4
tmp/all_attrs_types.conf tmp/only_te_rules.conf tmp/all_post.conf: tmp/all_te_files.conf tmp/post_te_files.conf
$(QUIET) grep ^attribute tmp/all_te_files.conf > tmp/all_attrs_types.conf || true
$(QUIET) grep '^type ' tmp/all_te_files.conf >> tmp/all_attrs_types.conf
$(QUIET) cat tmp/post_te_files.conf > tmp/all_post.conf
$(QUIET) grep '^sid ' tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) egrep '^fs_use_(xattr|task|trans)' tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) grep ^genfscon tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) sed -r -e /^attribute/d -e '/^type /d' -e /^genfscon/d \
-e '/^sid /d' -e '/^fs_use_(xattr|task|trans)/d' \
< tmp/all_te_files.conf > tmp/only_te_rules.conf
########################################
#
# Construct base module file contexts
#
$(FC): $(M4SUPPORT) tmp/generated_definitions.conf $(BASE_FC_FILES) $(FCSORT)
ifeq ($(BASE_FC_FILES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@echo "Creating $(NAME) base module file contexts."
@test -d tmp || mkdir -p tmp
$(QUIET) m4 $(M4PARAM) $(M4SUPPORT) tmp/generated_definitions.conf $(BASE_FC_FILES) > tmp/$@.tmp
$(QUIET) grep -e HOME -e ROLE tmp/$@.tmp > $(HOMEDIR_TEMPLATE)
$(QUIET) sed -i -e /HOME/d -e /ROLE/d tmp/$@.tmp
$(QUIET) $(FCSORT) tmp/$@.tmp $@
########################################
#
# Build modules packages
#
%.pp: %.mod %.fc
@echo "Creating $(NAME) $(@F) package"
$(QUIET) $(SEMOD_PKG) $@ %^
########################################
#
# Compile modules
#
%.mod: $(M4SUPPORT) tmp/all_interfaces.conf %.te
@echo "Compiling $(NAME) $(@F) module"
$(QUIET) m4 $(M4PARAM) -s $^ > tmp/$(@F).tmp
$(QUIET) $(CHECKMODULE) -m tmp/$(@F).tmp -o $@
########################################
#
# Clean the sources
#
clean:
rm -fR tmp
rm -f base.conf
rm -f $(BASE_PKG)
find . -iname "*.mod" | xargs rm -f
find . -iname "*.pp" | xargs rm -f
.PHONY: default base modules clean

216
refpolicy/Rules.monolithic Normal file
View File

@ -0,0 +1,216 @@
########################################
#
# Rules and Targets for building monolithic policies
#
# install paths
POLICYPATH = $(INSTALLDIR)/policy
LOADPATH = $(POLICYPATH)/$(POLVER)
FCPATH = $(CONTEXTPATH)/files/file_contexts
HOMEDIRPATH = $(CONTEXTPATH)/files/homedir_template
# for monolithic policy use all base and module to create policy
ENABLEMOD := $(BASE_MODS) $(MOD_MODS)
ALL_MODULES := $(filter $(ENABLEMOD),$(DETECTED_MODS))
ALL_INTERFACES := $(ALL_MODULES:.te=.if)
ALL_TE_FILES := $(ALL_MODULES)
ALL_FC_FILES := $(ALL_MODULES:.te=.fc)
PRE_TE_FILES := $(addprefix $(FLASKDIR)/,security_classes initial_sids access_vectors) $(M4SUPPORT) $(POLDIR)/mls
POST_TE_FILES := $(POLDIR)/users $(POLDIR)/constraints
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
HOMEDIR_TEMPLATE = tmp/homedir_template
########################################
#
# default action: build policy locally
#
default: policy
policy: $(POLVER)
install: $(LOADPATH) $(FCPATH) $(APPFILES) $(USERPATH)/local.users
load: tmp/load
########################################
#
# Build a binary policy locally
#
$(POLVER): policy.conf
@echo "Compiling $(NAME) $(POLVER)"
ifneq ($(PV),$(KV))
@echo
@echo "WARNING: Policy version mismatch! Is your OUTPUT_POLICY set correctly?"
@echo
endif
$(QUIET) $(CHECKPOLICY) $^ -o $@
########################################
#
# Install a binary policy
#
$(LOADPATH): policy.conf
@mkdir -p $(POLICYPATH)
@echo "Compiling and installing $(NAME) $(LOADPATH)"
ifneq ($(PV),$(KV))
@echo
@echo "WARNING: Policy version mismatch! Is your OUTPUT_POLICY set correctly?"
@echo
endif
$(QUIET) $(CHECKPOLICY) $^ -o $@
########################################
#
# Load the binary policy
#
reload tmp/load: $(LOADPATH) $(FCPATH)
@echo "Loading $(NAME) $(LOADPATH)"
$(QUIET) $(LOADPOLICY) -q $(LOADPATH)
@touch tmp/load
########################################
#
# Construct a monolithic policy.conf
#
policy.conf: $(POLICY_SECTIONS)
@echo "Creating $(NAME) policy.conf"
# checkpolicy can use the #line directives provided by -s for error reporting:
$(QUIET) m4 -D monolithic_policy $(M4PARAM) -s $^ > tmp/$@.tmp
$(QUIET) sed -e /^portcon/d -e /^nodecon/d -e /^netifcon/d < tmp/$@.tmp > $@
# the ordering of these ocontexts matters:
$(QUIET) grep ^portcon tmp/$@.tmp >> $@ || true
$(QUIET) grep ^netifcon tmp/$@.tmp >> $@ || true
$(QUIET) grep ^nodecon tmp/$@.tmp >> $@ || true
tmp/pre_te_files.conf: $(PRE_TE_FILES)
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
tmp/generated_definitions.conf: $(ALL_LAYERS) $(ALL_TE_FILES)
# per-userdomain templates:
@test -d tmp || mkdir -p tmp
$(QUIET) echo "define(\`per_userdomain_templates',\`" > $@
$(QUIET) for i in $(patsubst %.te,%,$(notdir $(ALL_MODULES))); do \
echo "ifdef(\`""$$i""_per_userdomain_template',\`""$$i""_per_userdomain_template("'$$1'")')" \
>> $@ ;\
done
$(QUIET) echo "')" >> $@
# define foo.te
$(QUIET) for i in $(notdir $(ALL_MODULES)); do \
echo "define(\`$$i')" >> $@ ;\
done
$(QUIET) $(SETTUN) $(TUNABLES) >> $@
tmp/all_interfaces.conf: $(M4SUPPORT) $(ALL_INTERFACES)
ifeq ($(ALL_INTERFACES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@test -d tmp || mkdir -p tmp
$(QUIET) m4 $^ | sed -e s/dollarsstar/\$$\*/g > $@
tmp/all_te_files.conf: $(ALL_TE_FILES)
ifeq ($(ALL_TE_FILES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
tmp/post_te_files.conf: $(POST_TE_FILES)
@test -d tmp || mkdir -p tmp
$(QUIET) cat $^ > $@
# extract attributes and put them first. extract post te stuff
# like genfscon and put last. portcon, nodecon, and netifcon
# is delayed since they are generated by m4
tmp/all_attrs_types.conf tmp/only_te_rules.conf tmp/all_post.conf: tmp/all_te_files.conf tmp/post_te_files.conf
$(QUIET) grep ^attribute tmp/all_te_files.conf > tmp/all_attrs_types.conf || true
$(QUIET) grep '^type ' tmp/all_te_files.conf >> tmp/all_attrs_types.conf
$(QUIET) cat tmp/post_te_files.conf > tmp/all_post.conf
$(QUIET) grep '^sid ' tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) egrep '^fs_use_(xattr|task|trans)' tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) grep ^genfscon tmp/all_te_files.conf >> tmp/all_post.conf || true
$(QUIET) sed -r -e /^attribute/d -e '/^type /d' -e /^genfscon/d \
-e '/^sid /d' -e '/^fs_use_(xattr|task|trans)/d' \
< tmp/all_te_files.conf > tmp/only_te_rules.conf
########################################
#
# Remove the dontaudit rules from the policy.conf
#
enableaudit: policy.conf
@test -d tmp || mkdir -p tmp
@echo "Removing dontaudit rules from policy.conf"
$(QUIET) grep -v dontaudit policy.conf > tmp/policy.audit
$(QUIET) mv tmp/policy.audit policy.conf
########################################
#
# Construct file_contexts
#
$(FC): $(M4SUPPORT) tmp/generated_definitions.conf $(ALL_FC_FILES) $(FCSORT)
ifeq ($(ALL_FC_FILES),)
$(error No enabled modules! $(notdir $(MOD_CONF)) may need to be generated by using "make conf")
endif
@echo "Creating $(NAME) file_contexts."
@test -d tmp || mkdir -p tmp
$(QUIET) m4 $(M4PARAM) $(M4SUPPORT) tmp/generated_definitions.conf $(ALL_FC_FILES) > tmp/$@.tmp
$(QUIET) grep -e HOME -e ROLE tmp/$@.tmp > $(HOMEDIR_TEMPLATE)
$(QUIET) sed -i -e /HOME/d -e /ROLE/d tmp/$@.tmp
$(QUIET) $(FCSORT) tmp/$@.tmp $@
########################################
#
# Install file_contexts
#
$(FCPATH): $(FC) $(LOADPATH) $(USERPATH)/system.users
@echo "Validating $(NAME) file_contexts."
$(QUIET) $(SETFILES) -q -c $(LOADPATH) $(FC)
@echo "Installing file_contexts."
@mkdir -p $(CONTEXTPATH)/files
$(QUIET) install -m 644 $(FC) $(FCPATH)
$(QUIET) install -m 644 $(HOMEDIR_TEMPLATE) $(HOMEDIRPATH)
$(QUIET) $(GENHOMEDIRCON) -d $(TOPDIR) -t $(NAME) $(USEPWD)
########################################
#
# Filesystem labeling
#
FILESYSTEMS := `mount | grep -v "context=" | egrep -v '\((|.*,)bind(,.*|)\)' | awk '/(ext[23]| xfs| jfs).*rw/{print $$3}';`
checklabels: $(FC) $(SETFILES)
@if test -z "$(FILESYSTEMS)"; then \
echo "No filesystems with extended attributes found!" ;\
false ;\
fi
$(QUIET) $(SETFILES) -v -n $(FC) $(FILESYSTEMS)
restorelabels: $(FC) $(SETFILES)
@if test -z "$(FILESYSTEMS)"; then \
echo "No filesystems with extended attributes found!" ;\
false ;\
fi
$(QUIET) $(SETFILES) -v $(FC) $(FILESYSTEMS)
relabel: $(FC) $(SETFILES)
@if test -z "$(FILESYSTEMS)"; then \
echo "No filesystems with extended attributes found!" ;\
false ;\
fi
$(QUIET) $(SETFILES) $(FC) $(FILESYSTEMS)
########################################
#
# Clean the sources
#
clean:
rm -fR tmp
rm -f policy.conf
rm -f policy.$(PV)
rm -f $(FC)
.PHONY: default policy install load reload enableaudit checklabels restorelabels relabel clean

7
refpolicy/policy/modules/kernel/devices.if
View File

@ -23,6 +23,9 @@
## </ul>
## </p>
## </desc>
## <required val="true">
## Depended on by other required modules.
## </required>
########################################
## <summary>
@ -1410,7 +1413,7 @@ interface(`dev_write_mtrr',`
interface(`dev_rw_null_dev',`
gen_require(`
type device_t, null_device_t;
class device_t:dir r_dir_perms;
class dir r_dir_perms;
class chr_file rw_file_perms;
')
@ -2139,7 +2142,7 @@ interface(`dev_dontaudit_setattr_video_dev',`
interface(`dev_rw_zero_dev',`
gen_require(`
type device_t, zero_device_t;
class device_t:dir r_dir_perms;
class dir r_dir_perms;
class chr_file r_file_perms;
')

2
refpolicy/policy/modules/kernel/kernel.te
View File

@ -25,7 +25,7 @@ attribute sysctl_type;
#
type kernel_t, can_load_kernmodule;
role system_r types kernel_t;
domain_type(kernel_t)
domain_base_type(kernel_t)
sid kernel context_template(system_u:system_r:kernel_t,s0 - s9:c0.c127)
#

3
refpolicy/policy/modules/kernel/terminal.if
View File

@ -1,4 +1,7 @@
## <summary>Policy for terminals.</summary>
## <required val="true">
## Depended on by other required modules.
## </required>
########################################
## <summary>

6
refpolicy/policy/modules/system/domain.if
View File

@ -7,7 +7,7 @@
#
# domain_base_domain_type(domain)
#
interface(`domain_base_domain_type',`
interface(`domain_base_type',`
gen_require(`
attribute domain;
class dir r_dir_perms;
@ -42,7 +42,7 @@ interface(`domain_base_domain_type',`
#
interface(`domain_type',`
# start with basic domain
domain_base_domain_type($1)
domain_base_type($1)
# Use trusted objects in /dev
dev_rw_null_dev($1)
@ -684,7 +684,7 @@ interface(`domain_unconfined',`
template(`domain_trans',`
gen_require(`
class file rx_file_perms;
process { transition noatsecure siginh rlimitinh };
class process { transition noatsecure siginh rlimitinh };
')
allow $1 $2:file rx_file_perms;

4
refpolicy/policy/support/loadable_module.spt
View File

@ -84,8 +84,10 @@ define(`optional_policy',`
',`
optional {
$2
ifelse(`$3',`',`',`
} else {
$3
')
}
')
')
@ -127,8 +129,10 @@ define(`tunable_policy',`
optional {
require { `$1' }
$2
ifelse(`$3',`',`',`
} else {
$3
')
}
')
')