#!/usr/bin/env bash
set -e

# resync this library with the upstream project, remove old submodule dirs
if [ -d openbsd ]; then
	(cd openbsd
	 git checkout master
	 git pull)
else
	if [ -z "$LIBRESSL_GIT" ]; then
		git clone https://github.com/libressl-portable/openbsd.git
	else
		git clone $LIBRESSL_GIT/openbsd
	fi
fi

libssl_src=openbsd/src/lib/libssl
libssl_regress=openbsd/src/regress/lib/libssl
libc_src=openbsd/src/lib/libc
libc_regress=openbsd/src/regress/lib/libc
libcrypto_src=openbsd/src/lib/libcrypto
openssl_cmd_src=openbsd/src/usr.sbin/openssl
libcrypto_regress=openbsd/src/regress/lib/libcrypto

source $libssl_src/ssl/shlib_version
libssl_version=$major:$minor:0
echo libssl version $libssl_version

source $libcrypto_src/crypto/shlib_version
libcrypto_version=$major:$minor:0
echo libcrypto version $libcrypto_version

crypto_subdirs=

copy_src() {
	mkdir -p $1
	rm -f $1/*.c
	for file in $2; do
		cp $libssl_src/src/$1/$file $1
	done
}

copy_hdrs() {
	for file in $2; do
		cp $libssl_src/src/$1/$file include/openssl
	done
}

copy_crypto() {
	copy_src crypto/$1 "$2"
	crypto_subdirs="$crypto_subdirs $1"
}

cp $libssl_src/src/LICENSE COPYING
echo "Please see OpenBSD CVS logs" > ChangeLog

cp $libcrypto_src/crypto/arch/amd64/opensslconf.h include/openssl
cp $libssl_src/src/crypto/opensslfeatures.h include/openssl
cp $libssl_src/src/e_os2.h include/openssl
cp $libssl_src/src/ssl/pqueue.h include

for i in explicit_bzero.c strlcpy.c strlcat.c timingsafe_bcmp.c timingsafe_memcmp.c; do
	cp $libc_src/string/$i crypto/compat
done
cp $libc_src/stdlib/reallocarray.c crypto/compat
cp $libc_src/stdlib/strtonum.c crypto/compat
cp $libc_src/crypt/arc4random.c crypto/compat
cp $libc_src/crypt/chacha_private.h crypto/compat
cp $libcrypto_src/crypto/getentropy_*.c crypto/compat

(cd ./$libssl_src/src/crypto/objects/;
	perl objects.pl objects.txt obj_mac.num obj_mac.h;
	perl obj_dat.pl obj_mac.h obj_dat.h )
mkdir -p include/openssl crypto/objects
mv $libssl_src/src/crypto/objects/obj_mac.h ./include/openssl/obj_mac.h
mv $libssl_src/src/crypto/objects/obj_dat.h ./crypto/objects/obj_dat.h

copy_hdrs crypto "stack/stack.h lhash/lhash.h stack/safestack.h opensslv.h
	ossl_typ.h err/err.h crypto.h comp/comp.h x509/x509.h buffer/buffer.h
	objects/objects.h asn1/asn1.h bn/bn.h ec/ec.h ecdsa/ecdsa.h
	ecdh/ecdh.h rsa/rsa.h sha/sha.h x509/x509_vfy.h pkcs7/pkcs7.h pem/pem.h
	pem/pem2.h hmac/hmac.h rand/rand.h md5/md5.h
	krb5/krb5_asn.h asn1/asn1_mac.h x509v3/x509v3.h conf/conf.h ocsp/ocsp.h
	aes/aes.h modes/modes.h asn1/asn1t.h dso/dso.h bf/blowfish.h
	bio/bio.h cast/cast.h cmac/cmac.h conf/conf_api.h des/des.h dh/dh.h
	dsa/dsa.h cms/cms.h engine/engine.h ui/ui.h pkcs12/pkcs12.h ts/ts.h
	md4/md4.h ripemd/ripemd.h whrlpool/whrlpool.h idea/idea.h mdc2/mdc2.h
	rc2/rc2.h rc4/rc4.h rc5/rc5.h ui/ui_compat.h txt_db/txt_db.h chacha/chacha.h evp/evp.h
	poly1305/poly1305.h"

copy_hdrs ssl "srtp.h ssl.h ssl2.h ssl3.h ssl23.h tls1.h dtls1.h"

for i in ssl/srtp.h \
	ssl/ssl_locl.h; do
	cp $libssl_src/src/$i ssl
done

copy_src ssl "s3_meth.c s3_srvr.c s3_clnt.c s3_lib.c s3_enc.c s3_pkt.c
	s3_both.c s23_meth.c s23_srvr.c s23_clnt.c s23_lib.c s23_pkt.c t1_meth.c
	t1_srvr.c t1_clnt.c t1_lib.c t1_enc.c d1_meth.c d1_srvr.c d1_clnt.c
	d1_lib.c d1_pkt.c d1_both.c d1_enc.c d1_srtp.c ssl_lib.c ssl_err2.c
	ssl_cert.c ssl_sess.c ssl_ciph.c ssl_stat.c ssl_rsa.c ssl_asn1.c ssl_txt.c
	ssl_algs.c bio_ssl.c ssl_err.c t1_reneg.c s3_cbc.c pqueue.c"

copy_src crypto "cryptlib.h cryptlib.c malloc-wrapper.c mem_clr.c mem_dbg.c cversion.c
	ex_data.c cpt_err.c o_time.c o_time.h o_str.c o_init.c md32_common.h"

copy_crypto aes "aes_cbc.c aes_core.c aes_misc.c aes_ecb.c aes_cfb.c aes_ofb.c aes_ctr.c
	aes_ige.c aes_wrap.c aes_locl.h"

copy_crypto asn1 "a_object.c a_bitstr.c a_utctm.c a_gentm.c a_time.c
	a_int.c a_octet.c a_print.c a_type.c a_dup.c a_d2i_fp.c a_i2d_fp.c a_enum.c
	a_utf8.c a_sign.c a_digest.c a_verify.c a_mbstr.c a_strex.c x_algor.c
	x_val.c x_pubkey.c x_sig.c x_req.c x_attrib.c x_bignum.c x_long.c x_name.c
	x_x509.c x_x509a.c x_crl.c x_info.c x_spki.c nsseq.c x_nx509.c d2i_pu.c
	d2i_pr.c i2d_pu.c i2d_pr.c t_req.c t_x509.c t_x509a.c t_crl.c t_pkey.c
	t_spki.c t_bitst.c tasn_new.c tasn_fre.c tasn_enc.c tasn_dec.c tasn_utl.c
	tasn_typ.c tasn_prn.c ameth_lib.c f_int.c f_string.c n_pkey.c f_enum.c
	x_pkey.c a_bool.c x_exten.c bio_asn1.c bio_ndef.c asn_mime.c asn1_gen.c
	asn1_par.c asn1_lib.c asn1_err.c a_bytes.c a_strnid.c evp_asn1.c asn_pack.c
	p5_pbe.c p5_pbev2.c p8_pkey.c asn_moid.c a_set.c asn1_locl.h charmap.h"

copy_crypto bf "bf_skey.c bf_ecb.c bf_enc.c bf_cfb64.c bf_ofb64.c bf_locl.h bf_pi.h"

copy_crypto bio "bio_lib.c bio_cb.c bio_err.c bss_mem.c bss_null.c bss_fd.c
	bss_file.c bss_sock.c bss_conn.c bf_null.c bf_buff.c b_dump.c
	b_sock.c bss_acpt.c bf_nbio.c bss_log.c bss_bio.c bss_dgram.c b_print.c"

copy_crypto bn "bn_add.c bn_asm.c bn_div.c bn_exp.c bn_lib.c bn_ctx.c bn_mul.c
	bn_mod.c bn_print.c bn_rand.c bn_shift.c bn_word.c bn_blind.c bn_kron.c
	bn_sqrt.c bn_gcd.c bn_prime.c bn_err.c bn_sqr.c bn_recp.c bn_mont.c
	bn_mpi.c bn_exp2.c bn_gf2m.c bn_nist.c bn_depr.c bn_const.c bn_x931p.c
	bn_lcl.h bn_prime.h"

copy_crypto buffer "buffer.c buf_err.c buf_str.c"

copy_crypto cast "c_skey.c c_ecb.c c_enc.c c_cfb64.c c_ofb64.c cast_lcl.h
	cast_s.h"

copy_crypto chacha "chacha.c chacha-merged.c"

copy_crypto cmac "cmac.c cm_ameth.c cm_pmeth.c"

#copy_crypto cms "cms_lib.c cms_asn1.c cms_att.c cms_io.c cms_smime.c cms_err.c
#	cms_sd.c cms_dd.c cms_cd.c cms_env.c cms_enc.c cms_ess.c cms_pwri.c cms.h cms_lcl.h"

copy_crypto comp "comp_lib.c comp_err.c c_rle.c c_zlib.c"

copy_crypto conf "conf_err.c conf_lib.c conf_api.c conf_def.c conf_mod.c
	conf_mall.c conf_sap.c conf_def.h"

copy_crypto des "cbc_cksm.c cbc_enc.c cfb64enc.c cfb_enc.c ecb3_enc.c
	ecb_enc.c  enc_read.c enc_writ.c fcrypt.c fcrypt_b.c ofb64enc.c ofb_enc.c
	pcbc_enc.c qud_cksm.c rand_key.c set_key.c xcbc_enc.c str2key.c
	cfb64ede.c ofb64ede.c ede_cbcm_enc.c des_enc.c des_locl.h ncbc_enc.c
	spr.h"

copy_crypto dh "dh_asn1.c dh_gen.c dh_key.c dh_lib.c dh_check.c dh_err.c
	dh_depr.c dh_ameth.c dh_pmeth.c dh_prn.c"

copy_crypto dsa "dsa_gen.c dsa_key.c dsa_lib.c dsa_asn1.c dsa_vrf.c
	dsa_sign.c dsa_err.c dsa_ossl.c dsa_depr.c dsa_ameth.c dsa_pmeth.c
	dsa_prn.c dsa_locl.h"

copy_crypto dso "dso_dlfcn.c dso_err.c dso_lib.c dso_null.c dso_openssl.c"

copy_crypto ec "ec_lib.c ecp_smpl.c ecp_mont.c ecp_nist.c ec_cvt.c ec_mult.c
	ec_err.c ec_curve.c ec_check.c ec_print.c ec_asn1.c ec_key.c ec2_smpl.c
	ec2_mult.c ec_ameth.c ec_pmeth.c eck_prn.c ecp_oct.c ec2_oct.c ec_oct.c
	ec_lcl.h"

copy_crypto ecdh "ech_lib.c ech_ossl.c ech_key.c ech_err.c ech_locl.h"

copy_crypto ecdsa "ecs_lib.c ecs_asn1.c ecs_ossl.c ecs_sign.c ecs_vrf.c
	ecs_err.c ecs_locl.h"

# Engine interface is disabled
copy_crypto engine "eng_err.c eng_lib.c eng_list.c eng_init.c eng_ctrl.c
	eng_table.c eng_pkey.c eng_fat.c eng_all.c tb_rsa.c tb_dsa.c tb_ecdsa.c
	tb_dh.c tb_ecdh.c tb_rand.c tb_store.c tb_cipher.c tb_digest.c tb_pkmeth.c
	tb_asnmth.c eng_openssl.c eng_cnf.c eng_dyn.c eng_rsax.c eng_int.h"

copy_crypto err "err.c err_all.c err_prn.c"

copy_crypto evp "encode.c digest.c evp_enc.c evp_key.c e_des.c e_bf.c
	e_idea.c e_des3.c e_rc4.c e_aes.c names.c e_xcbc_d.c e_rc2.c e_cast.c
	m_null.c m_md4.c m_md5.c m_sha.c m_sha1.c m_wp.c m_dss.c m_dss1.c m_mdc2.c
	m_ripemd.c m_ecdsa.c p_open.c p_seal.c p_sign.c p_verify.c p_lib.c p_enc.c
	p_dec.c bio_md.c bio_b64.c bio_enc.c evp_err.c e_null.c c_all.c c_allc.c
	c_alld.c evp_lib.c evp_pkey.c evp_pbe.c p5_crpt.c p5_crpt2.c
	e_old.c pmeth_lib.c pmeth_fn.c pmeth_gn.c m_sigver.c e_aes_cbc_hmac_sha1.c
	e_rc4_hmac_md5.c evp_locl.h e_chacha.c evp_aead.c e_chacha20poly1305.c"

copy_crypto hmac "hmac.c hm_ameth.c hm_pmeth.c"

copy_crypto idea "i_cbc.c i_cfb64.c i_ofb64.c i_ecb.c i_skey.c idea_lcl.h"

copy_crypto krb5 "krb5_asn.c"

copy_crypto lhash "lhash.c lh_stats.c"

copy_crypto md4 "md4_dgst.c md4_one.c md4_locl.h"

copy_crypto md5 "md5_dgst.c md5_one.c md5_locl.h"

copy_crypto mdc2 "mdc2dgst.c mdc2_one.c"

copy_crypto modes "cbc128.c ctr128.c cts128.c cfb128.c ofb128.c gcm128.c
	ccm128.c xts128.c modes_lcl.h"

copy_crypto objects "o_names.c obj_dat.c obj_lib.c obj_err.c obj_xref.c obj_xref.h"

copy_crypto ocsp "ocsp_asn.c ocsp_ext.c ocsp_ht.c ocsp_lib.c ocsp_cl.c
	ocsp_srv.c ocsp_prn.c ocsp_vfy.c ocsp_err.c"

copy_crypto pem "pem_sign.c pem_seal.c pem_info.c pem_lib.c pem_all.c pem_err.c
	pem_x509.c pem_xaux.c pem_oth.c pem_pk8.c pem_pkey.c pvkfmt.c"

copy_crypto pkcs12 "p12_add.c p12_asn.c p12_attr.c p12_crpt.c p12_crt.c
	p12_decr.c p12_init.c p12_key.c p12_kiss.c p12_mutl.c p12_utl.c p12_npas.c
	pk12err.c p12_p8d.c p12_p8e.c"

copy_crypto pkcs7 "pk7_asn1.c pk7_lib.c pkcs7err.c pk7_doit.c pk7_smime.c
	pk7_attr.c pk7_mime.c bio_pk7.c"

copy_crypto poly1305 "poly1305-donna.c poly1305.c"

copy_crypto rand "randfile.c rand_err.c rand_lib.c"

copy_crypto rc2 "rc2_ecb.c rc2_skey.c rc2_cbc.c rc2cfb64.c rc2ofb64.c rc2_locl.h"

copy_crypto rc4 "rc4_enc.c rc4_skey.c rc4_utl.c rc4_locl.h"

copy_crypto ripemd "rmd_dgst.c rmd_one.c rmd_locl.h rmdconst.h"

copy_crypto rsa "rsa_eay.c rsa_gen.c rsa_lib.c rsa_sign.c rsa_saos.c rsa_err.c
	rsa_pk1.c rsa_ssl.c rsa_none.c rsa_oaep.c rsa_chk.c rsa_pss.c
	rsa_x931.c rsa_asn1.c rsa_depr.c rsa_ameth.c rsa_prn.c rsa_pmeth.c
	rsa_crpt.c rsa_locl.h"

copy_crypto sha "sha_dgst.c sha1dgst.c sha_one.c sha1_one.c sha256.c sha512.c sha_locl.h"

copy_crypto stack "stack.c"

copy_crypto ts "ts_err.c ts_req_utils.c ts_req_print.c ts_rsp_utils.c
	ts_rsp_print.c ts_rsp_sign.c ts_rsp_verify.c ts_verify_ctx.c ts_lib.c
	ts_conf.c ts_asn1.c"

copy_crypto txt_db "txt_db.c"

copy_crypto ui "ui_err.c ui_lib.c ui_openssl.c ui_util.c ui_locl.h"

copy_crypto whrlpool "wp_block.c wp_dgst.c wp_locl.h"

copy_crypto x509 "x509_def.c x509_d2.c x509_r2x.c x509_cmp.c x509_obj.c
	x509_req.c x509spki.c x509_vfy.c x509_set.c x509cset.c x509rset.c
	x509_err.c x509name.c x509_v3.c x509_ext.c x509_att.c x509type.c x509_lu.c
	x_all.c x509_txt.c x509_trs.c by_file.c by_dir.c x509_vpm.c x509_lcl.h"

copy_crypto x509v3 "v3_bcons.c v3_bitst.c v3_conf.c v3_extku.c v3_ia5.c v3_lib.c
	v3_prn.c v3_utl.c v3err.c v3_genn.c v3_alt.c v3_skey.c v3_akey.c v3_pku.c
	v3_int.c v3_enum.c v3_sxnet.c v3_cpols.c v3_crld.c v3_purp.c v3_info.c
	v3_ocsp.c v3_akeya.c v3_pmaps.c v3_pcons.c v3_ncons.c v3_pcia.c v3_pci.c
	pcy_cache.c pcy_node.c pcy_data.c pcy_map.c pcy_tree.c pcy_lib.c
	pcy_int.h ext_dat.h"

copy_src apps "apps.c apps.h asn1pars.c ca.c ciphers.c cms.c crl.c crl2p7.c
	dgst.c dh.c dhparam.c dsa.c dsaparam.c ec.c ecparam.c enc.c engine.c
	errstr.c gendh.c gendsa.c genpkey.c genrsa.c nseq.c ocsp.c openssl.c
	openssl.cnf passwd.c pkcs12.c pkcs7.c pkcs8.c pkey.c pkeyparam.c pkeyutl.c
	prime.c progs.h rand.c req.c rsa.c rsautl.c s_apps.h s_cb.c s_client.c
	s_server.c s_socket.c s_time.c sess_id.c smime.c speed.c spkac.c
	testdsa.h testrsa.h timeouts.h ts.c verify.c version.c x509.c"

rm -f tests/*.c
for i in aead/aeadtest.c aeswrap/aes_wrap.c base64/base64test.c bf/bftest.c \
	bio/biotest.c bn/general/bntest.c bn/mont/mont.c \
	cast/casttest.c chacha/chachatest.c cts128/cts128test.c \
	des/destest.c dh/dhtest.c dsa/dsatest.c ec/ectest.c ecdh/ecdhtest.c \
	ecdsa/ecdsatest.c engine/enginetest.c evp/evptest.c exp/exptest.c \
	gcm128/gcm128test.c hmac/hmactest.c idea/ideatest.c ige/igetest.c \
	md4/md4test.c md5/md5test.c mdc2/mdc2test.c poly1305/poly1305test.c \
	pkcs7/pkcs7test.c pqueue/pq_test.c rand/randtest.c rc2/rc2test.c \
	rc4/rc4test.c rmd/rmdtest.c sha/shatest.c sha1/sha1test.c \
	sha256/sha256test.c sha512/sha512test.c utf8/utf8test.c; do
	 cp $libcrypto_regress/$i tests
done
cp $libc_regress/arc4random-fork/arc4random-fork.c tests/arc4randomforktest.c
cp $libc_regress/explicit_bzero/explicit_bzero.c tests
cp $libc_regress/timingsafe/timingsafe.c tests

for i in ssl/ssltest.c ssl/testssl certs/ca.pem certs/server.pem; do
	cp $libssl_regress/$i tests
done

# do not directly run all test programs
test_excludes=(biotest aeadtest evptest pq_test ssltest arc4randomforktest)
(cd tests
	cp Makefile.am.tpl Makefile.am

	for i in `ls -1 *.c|sort`; do
		TEST=`echo $i|sed -e "s/\.c//"`
		if ! [[ ${test_excludes[*]} =~ "$TEST" ]]; then
			echo "TESTS += $TEST" >> Makefile.am
		fi
		echo "check_PROGRAMS += $TEST" >> Makefile.am
		echo "${TEST}_SOURCES = $i" >> Makefile.am
		echo "${TEST}_LDADD = \$(PLATFORM_LDADD)" >> Makefile.am
		echo "${TEST}_LDADD += \$(top_builddir)/ssl/libssl.la" >> Makefile.am
		echo "${TEST}_LDADD += \$(top_builddir)/crypto/libcrypto.la" >> Makefile.am
	done
)
cp $libcrypto_regress/evp/evptests.txt tests
cp $libcrypto_regress/aead/aeadtests.txt tests
cp $libcrypto_regress/pqueue/expected.txt tests/pq_expected.txt
chmod 755 tests/testssl
for i in "${test_excludes[@]}"; do
	if [ -e tests/${i}.sh ]; then
		echo "TESTS += ${i}.sh" >> tests/Makefile.am
		echo "EXTRA_DIST += ${i}.sh" >> tests/Makefile.am
	fi
done
echo "EXTRA_DIST += aeadtests.txt" >> tests/Makefile.am
echo "EXTRA_DIST += evptests.txt" >> tests/Makefile.am
echo "EXTRA_DIST += pq_expected.txt" >> tests/Makefile.am
echo "EXTRA_DIST += testssl ca.pem server.pem" >> tests/Makefile.am

(cd include/openssl
	cp Makefile.am.tpl Makefile.am
	for i in `ls -1 *.h|sort`; do
		echo "opensslinclude_HEADERS += $i" >> Makefile.am
	done
)

(cd ssl
	sed -e "s/libssl-version/${libssl_version}/" Makefile.am.tpl > Makefile.am
	for i in `ls -1 *.c|sort`; do
		echo "libssl_la_SOURCES += $i" >> Makefile.am
	done
	for i in `ls -1 *.h|sort`; do
		echo "noinst_HEADERS += $i" >> Makefile.am
	done
)

# do not directly compile C files that are included in other C files
crypto_excludes=(
	des/ncbc_enc.c
	chacha/chacha-merged.c
	poly1305/poly1305-donna.c
	)
(cd crypto
	sed -e "s/libcrypto-version/${libcrypto_version}/" Makefile.am.tpl > Makefile.am
	for i in `ls -1 *.c|sort`; do
		echo "libcrypto_la_SOURCES += $i" >> Makefile.am
	done
	for i in `ls -1 *.h|sort`; do
		echo "noinst_HEADERS += $i" >> Makefile.am
	done
	for subdir in $crypto_subdirs; do
		for i in `ls -1 $subdir/*.c|sort`; do
			if ! [[ ${crypto_excludes[*]} =~ $i ]]; then
				echo "libcrypto_la_SOURCES += $i" >> Makefile.am
			fi
		done
		headers=`ls -1 $subdir/*.h 2>/dev/null |sort`
		if [ "$headers" != "" ]; then
			for i in $headers; do
				echo "noinst_HEADERS += $i" >> Makefile.am
			done
		fi
	done
	for i in "${crypto_excludes[@]}"; do
		echo "EXTRA_libcrypto_la_SOURCES += ${i}" >> Makefile.am
	done
)

(cd apps
	cp Makefile.am.tpl Makefile.am
	for i in `ls -1 *.c|sort`; do
		echo "openssl_SOURCES += $i" >> Makefile.am
	done
	for i in `ls -1 *.h|sort`; do
		echo "noinst_HEADERS += $i" >> Makefile.am
	done
)

(cd man
	cp Makefile.am.tpl Makefile.am
	for i in `ls -1 ../$libssl_src/src/doc/crypto/*.pod | sort`; do
		BASE=`echo $i|sed -e "s/\.pod//"`
		NAME=`basename "$BASE"`
		echo processing $NAME
		pod2man --official --release=LibreSSL --center=LibreSSL --section=3 --name=$NAME < $BASE.pod > $NAME.3
		echo "dist_man_MANS += $NAME.3" >> Makefile.am
	done
	for i in `ls -1 ../$libssl_src/src/doc/ssl/*.pod | sort`; do
		BASE=`echo $i|sed -e "s/\.pod//"`
		NAME=`basename "$BASE"`
		echo processing $NAME
		pod2man --official --release=LibreSSL --center=LibreSSL --section=3 --name=$NAME < $BASE.pod > $NAME.3
		echo "dist_man_MANS += $NAME.3" >> Makefile.am
	done
	for i in `ls -1 ../$libssl_src/src/doc/apps/*.pod | sort`; do
		BASE=`echo $i|sed -e "s/\.pod//"`
		NAME=`basename "$BASE"`
		echo processing $NAME
		pod2man --official --release=LibreSSL --center=LibreSSL --section=1 --name=$NAME < $BASE.pod > $NAME.1
		echo "dist_man_MANS += $NAME.1" >> Makefile.am
	done
	echo "dist_man_MANS += openssl.1" >> Makefile.am
	echo "install-data-hook:" >> Makefile.am
	cp ../$openssl_cmd_src/openssl.1 .
	source links
	for i in $MLINKS; do
		IFS=","; set $i; unset IFS
		echo "	ln -f \$(DESTDIR)\$(mandir)/man3/$1 \$(DESTDIR)\$(mandir)/man3/$2" >> Makefile.am
	done
)