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-rw-r--r--degesch.c3
-rw-r--r--kike.c3
-rw-r--r--zyklonb.c3
3 files changed, 8 insertions, 1 deletions
diff --git a/degesch.c b/degesch.c
index 5ef0bc2..325ea83 100644
--- a/degesch.c
+++ b/degesch.c
@@ -3895,6 +3895,9 @@ transport_tls_init_ctx (struct server *s, SSL_CTX *ssl_ctx, struct error **e)
SSL_CTX_set_mode (ssl_ctx,
SSL_MODE_ENABLE_PARTIAL_WRITE | SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
+ // Disable deprecated protocols (see RFC 7568)
+ SSL_CTX_set_options (ssl_ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
+
const char *ca_file = get_config_string (s->config, "ssl_ca_file");
const char *ca_path = get_config_string (s->config, "ssl_ca_path");
diff --git a/kike.c b/kike.c
index 6bdba55..fafa38d 100644
--- a/kike.c
+++ b/kike.c
@@ -3507,6 +3507,9 @@ irc_initialize_ssl_ctx (struct server_context *ctx,
SSL_CTX_set_mode (ctx->ssl_ctx,
SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER | SSL_MODE_ENABLE_PARTIAL_WRITE);
+ // Disable deprecated protocols (see RFC 7568)
+ SSL_CTX_set_options (ctx->ssl_ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
+
// XXX: perhaps we should read the files ourselves for better messages
const char *ciphers = str_map_find (&ctx->config, "ssl_ciphers");
if (!SSL_CTX_set_cipher_list (ctx->ssl_ctx, ciphers))
diff --git a/zyklonb.c b/zyklonb.c
index 88bbc87..35eac17 100644
--- a/zyklonb.c
+++ b/zyklonb.c
@@ -316,7 +316,8 @@ irc_get_boolean_from_config
static bool
irc_initialize_ssl_ctx (struct bot_context *ctx, struct error **e)
{
- // XXX: maybe we should call SSL_CTX_set_options() for some workarounds
+ // Disable deprecated protocols (see RFC 7568)
+ SSL_CTX_set_options (ctx->ssl_ctx, SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3);
bool verify;
if (!irc_get_boolean_from_config (ctx, "ssl_verify", &verify, e))