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#include "ucspissl.h"
int ssl_ciphers(SSL_CTX *ctx,const char *ciphers) {
int r = 0; // no cipher selected
if (!ciphers) return -1;
/* TLS <= 1.2 SSL_CTX_set_cipher_list()
TLS = 1.3 SSL_CTX_set_ciphersuites() [only OpenSSL here]
see: https://community.openvpn.net/openvpn/ticket/1159
*/
#if (OPENSSL_VERSION_NUMBER > 0x10101000L && !LIBRESSL_VERSION_NUMBER) // 0xmnnffppsL
if ((r = SSL_CTX_set_ciphersuites(ctx,ciphers)) == 0)
#endif
r = SSL_CTX_set_cipher_list(ctx,ciphers); // TLS < 1.3 and fallback
return r;
}
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