Verify init scripts for correctness during build
Bug: 36970783
Test: builds pass without failures
Test: builds fail with failures in init files used via LOCAL_INIT_RC,
PRODUCT_COPY_FILES, or TARGET_PREBUILT
Change-Id: Ia98793776b365733ca8f0174dc228326a6edf041
diff --git a/core/Makefile b/core/Makefile
index fc724ea..9a7e40b 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -36,7 +36,9 @@
$(eval $(call copy-xml-file-checked,$(_src),$(_fulldest))),\
$(if $(and $(filter %.jar,$(_dest)),$(filter $(basename $(notdir $(_dest))),$(PRODUCT_LOADED_BY_PRIVILEGED_MODULES))),\
$(eval $(call copy-and-uncompress-dexs,$(_src),$(_fulldest))), \
- $(eval $(call copy-one-file,$(_src),$(_fulldest))))) \
+ $(if $(filter init%rc,$(notdir $(_dest)))$(filter %/etc/init,$(dir $(_dest))),\
+ $(eval $(call copy-init-script-file-checked,$(_src),$(_fulldest))),\
+ $(eval $(call copy-one-file,$(_src),$(_fulldest)))))) \
$(eval ALL_DEFAULT_INSTALLED_MODULES += $(_fulldest)) \
$(eval unique_product_copy_files_destinations += $(_dest))))
diff --git a/core/base_rules.mk b/core/base_rules.mk
index 075465e..4eb638e 100644
--- a/core/base_rules.mk
+++ b/core/base_rules.mk
@@ -423,7 +423,7 @@
# Make sure we only set up the copy rules once, even if another arch variant
# shares a common LOCAL_INIT_RC.
my_init_rc_new_pairs := $(filter-out $(ALL_INIT_RC_INSTALLED_PAIRS),$(my_init_rc_pairs))
-my_init_rc_new_installed := $(call copy-many-files,$(my_init_rc_new_pairs))
+my_init_rc_new_installed := $(call copy-many-init-script-files-checked,$(my_init_rc_new_pairs))
ALL_INIT_RC_INSTALLED_PAIRS += $(my_init_rc_new_pairs)
$(my_all_targets) : $(my_init_rc_installed)
diff --git a/core/config.mk b/core/config.mk
index 6c062a6..7d4ef04 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -619,6 +619,7 @@
CKATI := $(prebuilt_build_tools_bin)/ckati
DEPMOD := $(HOST_OUT_EXECUTABLES)/depmod
FILESLIST := $(SOONG_HOST_OUT_EXECUTABLES)/fileslist
+HOST_INIT_VERIFIER := $(HOST_OUT_EXECUTABLES)/host_init_verifier
MAKEPARALLEL := $(prebuilt_build_tools_bin)/makeparallel
SOONG_JAVAC_WRAPPER := $(SOONG_HOST_OUT_EXECUTABLES)/soong_javac_wrapper
SOONG_ZIP := $(SOONG_HOST_OUT_EXECUTABLES)/soong_zip
diff --git a/core/definitions.mk b/core/definitions.mk
index e18f9a4..e14afc8 100644
--- a/core/definitions.mk
+++ b/core/definitions.mk
@@ -2674,6 +2674,28 @@
$(_cmf_dest)))
endef
+# Copy the file only if it's a well-formed init script file. For use via $(eval).
+# $(1): source file
+# $(2): destination file
+define copy-init-script-file-checked
+$(2): $(1) $(HOST_INIT_VERIFIER) $(call intermediates-dir-for,ETC,passwd)/passwd
+ @echo "Copy init script: $$@"
+ $(hide) $(HOST_INIT_VERIFIER) $$< $(call intermediates-dir-for,ETC,passwd)/passwd
+ $$(copy-file-to-target)
+endef
+
+# Copies many init script files and check they are well-formed.
+# $(1): The init script files to copy. Each entry is a ':' separated src:dst pair.
+# Evaluates to the list of the dst files. (ie suitable for a dependency list.)
+define copy-many-init-script-files-checked
+$(foreach f, $(1), $(strip \
+ $(eval _cmf_tuple := $(subst :, ,$(f))) \
+ $(eval _cmf_src := $(word 1,$(_cmf_tuple))) \
+ $(eval _cmf_dest := $(word 2,$(_cmf_tuple))) \
+ $(eval $(call copy-init-script-file-checked,$(_cmf_src),$(_cmf_dest))) \
+ $(_cmf_dest)))
+endef
+
# Copy the file only if it's a well-formed xml file. For use via $(eval).
# $(1): source file
# $(2): destination file, must end with .xml.
diff --git a/core/prebuilt_internal.mk b/core/prebuilt_internal.mk
index 6a9916a..bb87ca4 100644
--- a/core/prebuilt_internal.mk
+++ b/core/prebuilt_internal.mk
@@ -508,10 +508,13 @@
endif # LOCAL_DEX_PREOPT
else # ! prebuilt_module_is_dex_javalib
+ifneq ($(filter init%rc,$(notdir $(LOCAL_INSTALLED_MODULE)))$(filter %/etc/init,$(dir $(LOCAL_INSTALLED_MODULE))),)
+ $(eval $(call copy-init-script-file-checked,$(my_prebuilt_src_file),$(built_module)))
+else ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
$(built_module) : $(my_prebuilt_src_file)
-ifneq ($(LOCAL_PREBUILT_STRIP_COMMENTS),)
$(transform-prebuilt-to-target-strip-comments)
else
+$(built_module) : $(my_prebuilt_src_file)
$(transform-prebuilt-to-target)
endif
ifneq ($(filter EXECUTABLES NATIVE_TESTS,$(LOCAL_MODULE_CLASS)),)