Support SNI

1 files changed, 7 insertions, 1 deletions

diff --git a/sslio.c b/sslio.c
index 8933f95..efbf06e 100644
--- a/sslio.c
+++ b/sslio.c
@@ -87,7 +87,7 @@ void redisFreeSsl(redisSsl *ssl){
 }
 
 int redisSslCreate(redisContext *c, const char *capath, const char *certpath,
-                   const char *keypath) {
+                   const char *keypath, const char *servername) {
     assert(!c->ssl);
     c->ssl = calloc(1, sizeof(*c->ssl));
     static int isInit = 0;
@@ -131,6 +131,12 @@ int redisSslCreate(redisContext *c, const char *capath, const char *certpath,
         __redisSetError(c, REDIS_ERR, "Couldn't create new SSL instance");
         return REDIS_ERR;
     }
+    if (servername) {
+        if (!SSL_set_tlsext_host_name(s->ssl, servername)) {
+            __redisSetError(c, REDIS_ERR, "Couldn't set server name indication");
+            return REDIS_ERR;
+        }
+    }
 
     SSL_set_fd(s->ssl, c->fd);
     SSL_set_connect_state(s->ssl);