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-rw-r--r--src/cryptography/hazmat/bindings/openssl/_conditional.py9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cryptography/hazmat/bindings/openssl/_conditional.py b/src/cryptography/hazmat/bindings/openssl/_conditional.py
index 3cdafd67..971e540c 100644
--- a/src/cryptography/hazmat/bindings/openssl/_conditional.py
+++ b/src/cryptography/hazmat/bindings/openssl/_conditional.py
@@ -236,6 +236,14 @@ def cryptography_has_psk():
]
+def cryptography_has_custom_ext():
+ return [
+ "SSL_CTX_add_client_custom_ext",
+ "SSL_CTX_add_server_custom_ext",
+ "SSL_extension_supported",
+ ]
+
+
# This is a mapping of
# {condition: function-returning-names-dependent-on-that-condition} so we can
# loop over them and delete unsupported names at runtime. It will be removed
@@ -287,4 +295,5 @@ CONDITIONAL_NAMES = {
"Cryptography_HAS_FIPS": cryptography_has_fips,
"Cryptography_HAS_SIGALGS": cryptography_has_ssl_sigalgs,
"Cryptography_HAS_PSK": cryptography_has_psk,
+ "Cryptography_HAS_CUSTOM_EXT": cryptography_has_custom_ext,
}