openssl how to add a config section

use this: (The magic is in the keyword openssl_conf which is recognized by openssl)

openssl_conf = openssl_def

[openssl_def]
engines = engine_section

[engine_section]

foo = pkcs11_section

[pkcs11_section]
dynamic_path = /usr/local/lib/engine_pkcs11.so
engine_id = pkcs11
default_algorithms = ALL
#default_algorithms = RAND,RSA
init = 1