# TLS: EC curves for OpenSSL
#
# This is only checking the acceptability of option settings, not their effect
# See packet captures for actual effects
#
# Baseline: tls_eccurve option not present
exim -DSERVER=server -bd -oX PORT_D
****
exim -odf optnotpresent@test.ex
****
killdaemon
#
# Explicit tls_eccurve setting of "auto"
exim -DSERVER=server -DDATA=auto -bd -oX PORT_D
****
exim -odf explicitauto@test.ex
****
killdaemon
#
# Explicit tls_eccurve setting of ""
# - unclear this works.  At least with OpenSSL 3.0.5 we still get an x25519 keyshare in the Server Hello
exim -DSERVER=server -DDATA= -bd -oX PORT_D
****
exim -odf explicitempty@test.ex
****
killdaemon
#
# prime256v1
# Oddly,  3.0.5 packets show an EC-groups negotiation of C:x255519 S:secp256r1 C:secp384r1 S:secp384r1.
# Hoever, note that RFC 8446 (TLS1.3) does NOT include prime256v1 as one of the allowable
# supported groups (and it's not in the client "supported groups" extension, so what we see seems good.
exim -DSERVER=server -DDATA=prime256v1 -bd -oX PORT_D
****
exim -odf prime256v1@test.ex
****
killdaemon
#
# secp384r1
# C:x25519 S:secp384r1
exim -DSERVER=server -DDATA=secp384r1 -bd -oX PORT_D
****
exim -odf secp384r1@test.ex
****
killdaemon
#
# "bogus".  Should fail to make connection.
exim -DSERVER=server -DDATA=bogus -bd -oX PORT_D
****
exim -odf user_fail@test.ex
****
killdaemon
#
#
no_message_check