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path: root/src/plugins/tlsopenssl/tls_openssl.c
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Diffstat (limited to 'src/plugins/tlsopenssl/tls_openssl.c')
-rw-r--r--src/plugins/tlsopenssl/tls_openssl.c38
1 files changed, 32 insertions, 6 deletions
diff --git a/src/plugins/tlsopenssl/tls_openssl.c b/src/plugins/tlsopenssl/tls_openssl.c
index b38b9618b9f..e42bb453bfd 100644
--- a/src/plugins/tlsopenssl/tls_openssl.c
+++ b/src/plugins/tlsopenssl/tls_openssl.c
@@ -459,7 +459,6 @@ check_app_fifo:
static int
openssl_ctx_init_client (tls_ctx_t * ctx)
{
- char *ciphers = "ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH";
long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
openssl_ctx_t *oc = (openssl_ctx_t *) ctx;
openssl_main_t *om = &openssl_main;
@@ -490,7 +489,7 @@ openssl_ctx_init_client (tls_ctx_t * ctx)
if (om->async)
SSL_CTX_set_mode (oc->ssl_ctx, SSL_MODE_ASYNC);
#endif
- rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) ciphers);
+ rv = SSL_CTX_set_cipher_list (oc->ssl_ctx, (const char *) om->ciphers);
if (rv != 1)
{
TLS_DBG (1, "Couldn't set cipher");
@@ -565,11 +564,8 @@ openssl_start_listen (tls_ctx_t * lctx)
u32 olc_index;
openssl_listen_ctx_t *olc;
- char *ciphers = "ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH";
long flags = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 | SSL_OP_NO_COMPRESSION;
-#ifdef HAVE_OPENSSL_ASYNC
openssl_main_t *om = &openssl_main;
-#endif
app = application_get (lctx->parent_app_index);
if (!app->tls_cert || !app->tls_key)
@@ -595,7 +591,7 @@ openssl_start_listen (tls_ctx_t * lctx)
SSL_CTX_set_options (ssl_ctx, flags);
SSL_CTX_set_ecdh_auto (ssl_ctx, 1);
- rv = SSL_CTX_set_cipher_list (ssl_ctx, (const char *) ciphers);
+ rv = SSL_CTX_set_cipher_list (ssl_ctx, (const char *) om->ciphers);
if (rv != 1)
{
TLS_DBG (1, "Couldn't set cipher");
@@ -781,6 +777,27 @@ tls_init_ca_chain (void)
return (rv < 0 ? -1 : 0);
}
+static int
+tls_openssl_set_ciphers (char *ciphers)
+{
+ openssl_main_t *om = &openssl_main;
+ int i;
+
+ if (!ciphers)
+ {
+ return -1;
+ }
+
+ vec_validate (om->ciphers, strlen (ciphers) - 1);
+ for (i = 0; i < vec_len (om->ciphers); i++)
+ {
+ om->ciphers[i] = toupper (ciphers[i]);
+ }
+
+ return 0;
+
+}
+
static clib_error_t *
tls_openssl_init (vlib_main_t * vm)
{
@@ -809,6 +826,10 @@ tls_openssl_init (vlib_main_t * vm)
om->engine_init = 0;
+ /* default ciphers */
+ tls_openssl_set_ciphers
+ ("ALL:!ADH:!LOW:!EXP:!MD5:!RC4-SHA:!DES-CBC3-SHA:@STRENGTH");
+
return 0;
}
@@ -820,6 +841,7 @@ tls_openssl_set_command_fn (vlib_main_t * vm, unformat_input_t * input,
openssl_main_t *om = &openssl_main;
char *engine_name = NULL;
char *engine_alg = NULL;
+ char *ciphers = NULL;
u8 engine_name_set = 0;
int i;
@@ -847,6 +869,10 @@ tls_openssl_set_command_fn (vlib_main_t * vm, unformat_input_t * input,
for (i = 0; i < strnlen (engine_alg, MAX_CRYPTO_LEN); i++)
engine_alg[i] = toupper (engine_alg[i]);
}
+ else if (unformat (input, "ciphers %s", &ciphers))
+ {
+ tls_openssl_set_ciphers (ciphers);
+ }
else
return clib_error_return (0, "failed: unknown input `%U'",
format_unformat_error, input);