obj-y += up.o
endif
obj-$(CONFIG_UID16) += uid16.o
-obj-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += system_keyring.o system_certificates.o
obj-$(CONFIG_MODULES) += module.o
obj-$(CONFIG_MODULE_SIG) += module_signing.o
obj-$(CONFIG_KALLSYMS) += kallsyms.o
obj-$(CONFIG_COMPAT) += compat.o
obj-$(CONFIG_CGROUPS) += cgroup.o
obj-$(CONFIG_CGROUP_FREEZER) += cgroup_freezer.o
+obj-$(CONFIG_CGROUP_PIDS) += cgroup_pids.o
obj-$(CONFIG_CPUSETS) += cpuset.o
obj-$(CONFIG_UTS_NS) += utsname.o
obj-$(CONFIG_USER_NS) += user_namespace.o
targets += config_data.h
$(obj)/config_data.h: $(obj)/config_data.gz FORCE
$(call filechk,ikconfiggz)
-
-###############################################################################
-#
-# Roll all the X.509 certificates that we can find together and pull them into
-# the kernel so that they get loaded into the system trusted keyring during
-# boot.
-#
-# We look in the source root and the build root for all files whose name ends
-# in ".x509". Unfortunately, this will generate duplicate filenames, so we
-# have make canonicalise the pathnames and then sort them to discard the
-# duplicates.
-#
-###############################################################################
-ifeq ($(CONFIG_SYSTEM_TRUSTED_KEYRING),y)
-X509_CERTIFICATES-y := $(wildcard *.x509) $(wildcard $(srctree)/*.x509)
-X509_CERTIFICATES-$(CONFIG_MODULE_SIG) += $(objtree)/signing_key.x509
-X509_CERTIFICATES-raw := $(sort $(foreach CERT,$(X509_CERTIFICATES-y), \
- $(or $(realpath $(CERT)),$(CERT))))
-X509_CERTIFICATES := $(subst $(realpath $(objtree))/,,$(X509_CERTIFICATES-raw))
-
-ifeq ($(X509_CERTIFICATES),)
-$(warning *** No X.509 certificates found ***)
-endif
-
-ifneq ($(wildcard $(obj)/.x509.list),)
-ifneq ($(shell cat $(obj)/.x509.list),$(X509_CERTIFICATES))
-$(warning X.509 certificate list changed to "$(X509_CERTIFICATES)" from "$(shell cat $(obj)/.x509.list)")
-$(shell rm $(obj)/.x509.list)
-endif
-endif
-
-kernel/system_certificates.o: $(obj)/x509_certificate_list
-
-quiet_cmd_x509certs = CERTS $@
- cmd_x509certs = cat $(X509_CERTIFICATES) /dev/null >$@ $(foreach X509,$(X509_CERTIFICATES),; $(kecho) " - Including cert $(X509)")
-
-targets += $(obj)/x509_certificate_list
-$(obj)/x509_certificate_list: $(X509_CERTIFICATES) $(obj)/.x509.list
- $(call if_changed,x509certs)
-
-targets += $(obj)/.x509.list
-$(obj)/.x509.list:
- @echo $(X509_CERTIFICATES) >$@
-endif
-
-clean-files := x509_certificate_list .x509.list
-
-ifeq ($(CONFIG_MODULE_SIG),y)
-###############################################################################
-#
-# If module signing is requested, say by allyesconfig, but a key has not been
-# supplied, then one will need to be generated to make sure the build does not
-# fail and that the kernel may be used afterwards.
-#
-###############################################################################
-ifndef CONFIG_MODULE_SIG_HASH
-$(error Could not determine digest type to use from kernel config)
-endif
-
-# We do it this way rather than having a boolean option for enabling an
-# external private key, because 'make randconfig' might enable such a
-# boolean option and we unfortunately can't make it depend on !RANDCONFIG.
-ifeq ($(CONFIG_MODULE_SIG_KEY),"signing_key.priv")
-signing_key.priv signing_key.x509: x509.genkey
- @echo "###"
- @echo "### Now generating an X.509 key pair to be used for signing modules."
- @echo "###"
- @echo "### If this takes a long time, you might wish to run rngd in the"
- @echo "### background to keep the supply of entropy topped up. It"
- @echo "### needs to be run as root, and uses a hardware random"
- @echo "### number generator if one is available."
- @echo "###"
- openssl req -new -nodes -utf8 -$(CONFIG_MODULE_SIG_HASH) -days 36500 \
- -batch -x509 -config x509.genkey \
- -outform DER -out signing_key.x509 \
- -keyout signing_key.priv 2>&1
- @echo "###"
- @echo "### Key pair generated."
- @echo "###"
-
-x509.genkey:
- @echo Generating X.509 key generation config
- @echo >x509.genkey "[ req ]"
- @echo >>x509.genkey "default_bits = 4096"
- @echo >>x509.genkey "distinguished_name = req_distinguished_name"
- @echo >>x509.genkey "prompt = no"
- @echo >>x509.genkey "string_mask = utf8only"
- @echo >>x509.genkey "x509_extensions = myexts"
- @echo >>x509.genkey
- @echo >>x509.genkey "[ req_distinguished_name ]"
- @echo >>x509.genkey "#O = Unspecified company"
- @echo >>x509.genkey "CN = Build time autogenerated kernel key"
- @echo >>x509.genkey "#emailAddress = unspecified.user@unspecified.company"
- @echo >>x509.genkey
- @echo >>x509.genkey "[ myexts ]"
- @echo >>x509.genkey "basicConstraints=critical,CA:FALSE"
- @echo >>x509.genkey "keyUsage=digitalSignature"
- @echo >>x509.genkey "subjectKeyIdentifier=hash"
- @echo >>x509.genkey "authorityKeyIdentifier=keyid"
-else
-# For external (PKCS#11 or PEM) key, we need to obtain the certificate from
-# CONFIG_MODULE_SIG_KEY automatically.
-quiet_cmd_extract_der = CERT_DER $(2)
- cmd_extract_der = scripts/extract-cert "$(2)" signing_key.x509
-
-# CONFIG_MODULE_SIG_KEY is either a PKCS#11 URI or a filename. It is
-# surrounded by quotes, and may contain spaces. To strip the quotes
-# with $(patsubst) we need to turn the spaces into something else.
-# And if it's a filename, those spaces need to be escaped as '\ ' in
-# order to use it in dependencies or $(wildcard).
-space :=
-space +=
-space_escape := %%%SPACE%%%
-X509_SOURCE_temp := $(subst $(space),$(space_escape),$(CONFIG_MODULE_SIG_KEY))
-# We need this to check for absolute paths or PKCS#11 URIs.
-X509_SOURCE_ONEWORD := $(patsubst "%",%,$(X509_SOURCE_temp))
-# This is the actual source filename/URI without the quotes
-X509_SOURCE := $(subst $(space_escape),$(space),$(X509_SOURCE_ONEWORD))
-# This\ version\ with\ spaces\ escaped\ for\ $(wildcard)\ and\ dependencies
-X509_SOURCE_ESCAPED := $(subst $(space_escape),\$(space),$(X509_SOURCE_ONEWORD))
-
-ifeq ($(patsubst pkcs11:%,%,$(X509_SOURCE_ONEWORD)),$(X509_SOURCE_ONEWORD))
-# If it's a filename, depend on it.
-X509_DEP := $(X509_SOURCE_ESCAPED)
-ifeq ($(patsubst /%,%,$(X509_SOURCE_ONEWORD)),$(X509_SOURCE_ONEWORD))
-ifeq ($(wildcard $(X509_SOURCE_ESCAPED)),)
-ifneq ($(wildcard $(srctree)/$(X509_SOURCE_ESCAPED)),)
-# Non-absolute filename, found in source tree and not build tree
-X509_SOURCE := $(srctree)/$(X509_SOURCE)
-X509_DEP := $(srctree)/$(X509_SOURCE_ESCAPED)
-endif
-endif
-endif
-endif
-
-signing_key.x509: scripts/extract-cert include/config/module/sig/key.h $(X509_DEP)
- $(call cmd,extract_der,$(X509_SOURCE))
-endif
-endif
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