# $Id$
## @file
# Sub-Makefile for OpenSSL providers.
#

#
# Copyright (C) 2022-2023 Oracle and/or its affiliates.
#
# This file is part of VirtualBox base platform packages, as
# available from https://www.virtualbox.org.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, in version 3 of the
# License.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <https://www.gnu.org/licenses>.
#
# SPDX-License-Identifier: GPL-3.0-only
#

SUB_DEPTH = ../../../..
include $(KBUILD_PATH)/subheader.kmk

#
# Include sub-makefiles.
#
# Note! For joining the sub libraries into a single lib, we do some trickery to
#       collect the sub-library names here.
#
VBOX_LIBRARIES_BEFORE_CRYPTO_PROVIDERS_SUBDIRS := $(LIBRARIES)

include $(VBOX_PATH_CRYPTO_PROVIDERS)/common/Makefile.kmk
include $(sort $(wildcard $(VBOX_PATH_CRYPTO_PROVIDERS)/implementations/*/Makefile.kmk))

VBOX_CRYPTO_PROVIDERS_SUBLIBS     := $(filter-out $(VBOX_LIBRARIES_BEFORE_CRYPTO_PROVIDERS_SUBDIRS), $(LIBRARIES))
VBOX_CRYPTO_PROVIDERS_SUBLIBS_X86 := $(filter     %-x86, $(VBOX_CRYPTO_PROVIDERS_SUBLIBS))
VBOX_CRYPTO_PROVIDERS_SUBLIBS     := $(filter-out %-x86, $(VBOX_CRYPTO_PROVIDERS_SUBLIBS))
#if defined(VBOX_ONLY_EXTPACKS_USE_IMPLIBS)
# $(eval LIBRARIES = $(VBOX_LIBRARIES_BEFORE_CRYPTO_SUBDIRS) crypto_sha)
#else
if "$(SDK_VBoxOpenSslStatic_INCS)" != "$(SDK_VBoxOpenSslStatic_VBOX_DEFAULT_INCS)"
 $(eval LIBRARIES = $(VBOX_LIBRARIES_BEFORE_CRYPTO_SUBDIRS))
endif
VBOX_LIBRARIES_BEFORE_CRYPTO_PROVIDERS_SUBDIRS :=

#
# The main target: libproviders.
#
if "$(SDK_VBoxOpenSslStatic_INCS)" == "$(SDK_VBoxOpenSslStatic_VBOX_DEFAULT_INCS)"
 LIBRARIES += VBox-libproviders
endif
VBox-libproviders_TEMPLATE = LibCrypto
VBox-libproviders_DEFS = OPENSSL_NO_DEPRECATED
VBox-libproviders_SOURCES  = \
	baseprov.c \
	defltprov.c \
	legacyprov.c \
	nullprov.c \
	prov_running.c
VBox-libproviders_SOURCES  += $(foreach sublib,$(VBOX_CRYPTO_PROVIDERS_SUBLIBS), $($(sublib)_1_TARGET))

ifdef VBOX_WITH_32_ON_64_MAIN_API # 32-bit edition.
 LIBRARIES += VBox-libproviders-x86
 VBox-libproviders-x86_TEMPLATE = VBoxLibCrypto-x86
 VBox-libproviders-x86_EXTENDS = VBox-libproviders
 VBox-libproviders-x86_SOURCES = $(filter %.c %.cpp,$(VBox-libproviders_SOURCES)) \
 	$(foreach sublib,$(VBOX_CRYPTO_PROVIDERS_SUBLIBS_X86), $($(sublib)_1_TARGET))
endif


ifdef VBOX_NEED_EXTPACK_OPENSSL
 #
 # For the extension pack.
 #
 LIBRARIES += VBoxExtPack-libproviders
 VBoxExtPack-libproviders_EXTENDS = VBox-libproviders
 VBoxExtPack-libproviders_DEFS = VBOX_IN_EXTPACK
endif


ifdef VBOX_WITH_BLD_RTSIGNTOOL_SIGNING
 #
 # The build program libproviders version.
 #
 LIBRARIES += VBoxBldProg-libproviders
 VBoxBldProg-libproviders         = For bldRTSignTool
 VBoxBldProg-libproviders_EXTENDS = VBox-libproviders
 VBoxBldProg-libproviders_TEMPLATE = VBoxLibCryptoBldProg
 VBoxBldProg-libproviders_SOURCES = \
 	$(filter %.c,$(VBox-libproviders_SOURCES)) \
 	$(foreach sublib,$(VBOX_CRYPTO_PROVIDERS_SUBLIBS), $(VBoxBldProg-$(sublib)_1_TARGET))

 define def_VBoxBldProg_libproviders_inherit
  LIBRARIES += VBoxBldProg-$(sublib)
  VBoxBldProg-$(sublib) = bldRTSignTool version of $(sublib)
  VBoxBldProg-$(sublib)_EXTENDS   = $(sublib)
  VBoxBldProg-$(sublib)_EXTENDS_BY = appending
  VBoxBldProg-$(sublib)_TEMPLATE  = VBoxSubLibCryptoBldProg
  VBoxBldProg-$(sublib)_DEFPATH   = $($(sublib)_DEFPATH)
  ## @todo kBuild: DEFPATH isn't inherited! FIXME!
 endef
 $(foreach sublib,$(VBOX_CRYPTO_PROVIDERS_SUBLIBS), $(eval $(def_VBoxBldProg_libproviders_inherit)))

endif # VBOX_WITH_BLD_RTSIGNTOOL_SIGNING


include $(FILE_KBUILD_SUB_FOOTER)

#
# Re-creates certain openssl headers which exist as templates.
#
OSSL_PROVIDERS_HDR_TEMPLATES := \
	$(VBOX_PATH_CRYPTO_PROVIDERS)/common/include/prov/der_digests.h.in \
	$(VBOX_PATH_CRYPTO_PROVIDERS)/common/include/prov/der_dsa.h.in \
	$(VBOX_PATH_CRYPTO_PROVIDERS)/common/include/prov/der_ec.h.in \
	$(VBOX_PATH_CRYPTO_PROVIDERS)/common/include/prov/der_ecx.h.in \
	$(VBOX_PATH_CRYPTO_PROVIDERS)/common/include/prov/der_rsa.h.in \
	$(VBOX_PATH_CRYPTO_PROVIDERS)/common/include/prov/der_sm2.h.in \
	$(VBOX_PATH_CRYPTO_PROVIDERS)/common/include/prov/der_wrap.h.in

#
# Big fat @todo:
#  I'm too stupid atm to figure out how to get this executed sequentially
#  instead of getting it expanded and executed at once...
#
recreate-providers-headers: $(VBOX_PATH_OPENSSL)/util/dofile.pl \
		$(OSSL_PROVIDERS_HDR_TEMPLATES) \
		recreate-providers-der-sources
	$(foreach header, $(OSSL_PROVIDERS_HDR_TEMPLATES), \
	    perl \
	     -I$(VBOX_PATH_OPENSSL) \
	     -I$(VBOX_PATH_OPENSSL)/util/perl \
	     -I$(VBOX_PATH_CRYPTO_PROVIDERS)/common/der \
	     -Mconfigdata -Moids_to_c $(VBOX_PATH_OPENSSL)/util/dofile.pl -oMakefile \
	     $(header) > $(VBOX_PATH_OPENSSL)/gen-includes/prov/$(basename $(notdir $(header)));))