---
name: "libressl-SSL_get_client_CA_list"
section: "3"
platform: "linux"
package: "libressl"
version: "4.4.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/libressl-SSL_get_client_CA_list"
---

# libressl-SSL\_get\_client\_CA\_list(3)

get list of client CAs

## NAME

**SSL\_get\_client\_CA\_list**, **SSL\_CTX\_get\_client\_CA\_list** – get list of client CAs

## SYNOPSIS

SSL Library (libssl, -lssl) libcrypto

**#include \<openssl/ssl.h\>**

*STACK\_OF(X509\_NAME)* *\**\

**SSL\_get\_client\_CA\_list**(*const SSL \*s*);

*STACK\_OF(X509\_NAME)* *\**\

**SSL\_CTX\_get\_client\_CA\_list**(*const SSL\_CTX \*ctx*);

## DESCRIPTION

**SSL\_CTX\_get\_client\_CA\_list**() returns the list of client CAs explicitly set for *ctx* using SSL\_CTX\_set\_client\_CA\_list(3).

**SSL\_get\_client\_CA\_list**() returns the list of client CAs explicitly set for *ssl* using **SSL\_set\_client\_CA\_list**() or *ssl*'s *SSL\_CTX* object with SSL\_CTX\_set\_client\_CA\_list(3), when in server mode. In client mode, **SSL\_get\_client\_CA\_list**() returns the list of client CAs sent from the server, if any.

## SEE ALSO

[ssl(3)](/ssl/3.md), SSL\_CTX\_set\_client\_CA\_list(3), SSL\_CTX\_set\_client\_cert\_cb(3), X509\_NAME\_new(3)

## HISTORY

**SSL\_get\_client\_CA\_list**() and **SSL\_CTX\_get\_client\_CA\_list**() first appeared in SSLeay 0.8.0 and have been available since OpenBSD 2.4.