SSL_CTX_has_client_custom_ext(3ssl)

SSL_CTX_has_client_custom_ext3ssl

Check whether a handler exists for a particular client extension type

Usage

 #include <openssl/ssl.h>
 int SSL_CTX_has_client_custom_ext(const SSL_CTX *ctx, unsigned int ext_type);

Overview

SSL_CTX_has_client_custom_ext() checks whether a handler has been set for a client extension of type ext_type using SSL_CTX_add_client_custom_ext().

Return values

Returns 1 if a handler has been set, 0 otherwise.

Releases

6 releases since Debian 9 (Stretch); the text changed 5 times.

  1. 9
  2. 10
  3. 11
  4. 12
  5. 13
  6. Arch

From openssl 3.6.5-1 in Arch Linux 2026-11-01. Parsed by carta from the page's man source.