Add SSL_get_client_certificate_types.

openssl/ssl/ssl_cert.c

Index: openssl/ssl/ssl_cert.c
diff --git a/openssl/ssl/ssl_cert.c b/openssl/ssl/ssl_cert.c
index 5123a89182e590267edcb5b382ab5a767128fb85..19b8f78f010eccaa650d6c018221173e21141ddc 100644
--- a/openssl/ssl/ssl_cert.c
+++ b/openssl/ssl/ssl_cert.c
@@ -660,6 +660,20 @@ static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b)
 	return(X509_NAME_cmp(*a,*b));
 	}
 
+void SSL_get_client_certificate_types(const SSL *s, const char **ctype, size_t *ctype_num)

[wtc, 2014/05/06 17:10:08]

1. Nit: this line may need to be folded.

2. Nit: We should define this function before the xname_cmp function. xname_cmp
is used by the SSL_load_client_CA_file function below.

[davidben, 2014/05/06 21:54:02]

Done.
Done.

+	{
+	if (s->s3 == NULL)
+		{
+		*ctype = NULL;
+		*ctype_num = 0;
+		return;
+		}
+
+	/* This always returns nothing for the server. */
+	*ctype = s->s3->tmp.ctype;
+	*ctype_num = s->s3->tmp.ctype_num;
+	}
+
 #ifndef OPENSSL_NO_STDIO
 /*!
  * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;