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.\" ========================================================================
.\"
.IX Title "SSL_get_client_CA_list 3"
.TH SSL_get_client_CA_list 3 "2019-12-20" "1.0.2u" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
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.SH "NAME"
SSL_get_client_CA_list, SSL_CTX_get_client_CA_list \- get list of client CAs
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #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);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
\&\fBSSL_CTX_get_client_CA_list()\fR returns the list of client CAs explicitly set for
\&\fBctx\fR using \fBSSL_CTX_set_client_CA_list\fR\|(3).
.PP
\&\fBSSL_get_client_CA_list()\fR returns the list of client CAs explicitly
set for \fBssl\fR using \fBSSL_set_client_CA_list()\fR or \fBssl\fR's \s-1SSL_CTX\s0 object with
\&\fBSSL_CTX_set_client_CA_list\fR\|(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.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
\&\fBSSL_CTX_set_client_CA_list()\fR and \fBSSL_set_client_CA_list()\fR do not return
diagnostic information.
.PP
\&\fBSSL_CTX_add_client_CA()\fR and \fBSSL_add_client_CA()\fR have the following return
values:
.IP "\s-1STACK_OF\s0(X509_NAMES)" 4
.IX Item "STACK_OF(X509_NAMES)"
List of \s-1CA\s0 names explicitly set (for \fBctx\fR or in server mode) or send
by the server (client mode).
.IP "\s-1NULL\s0" 4
.IX Item "NULL"
No client \s-1CA\s0 list was explicitly set (for \fBctx\fR or in server mode) or
the server did not send a list of CAs (client mode).
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBssl\fR\|(3),
\&\fBSSL_CTX_set_client_CA_list\fR\|(3),
\&\fBSSL_CTX_set_client_cert_cb\fR\|(3)