Allow configuation of the number of TLSv1.3 session tickets via SSL_CONF

[openssl.git] / ssl / ssl_conf.c

diff --git a/ssl/ssl_conf.c b/ssl/ssl_conf.c
index fe090ae40d1b995c8ed1981565938a0b5a385f48..758f012938224b35bcbced8ecd126c601930a282 100644 (file)
--- a/ssl/ssl_conf.c
+++ b/ssl/ssl_conf.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2012-2018 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the OpenSSL license (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -229,8 +229,9 @@ static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
     int nid;
 
     /* Ignore values supported by 1.0.2 for the automatic selection */
-    if ((cctx->flags & SSL_CONF_FLAG_FILE) &&
-        strcasecmp(value, "+automatic") == 0)
+    if ((cctx->flags & SSL_CONF_FLAG_FILE)
+            && (strcasecmp(value, "+automatic") == 0
+                || strcasecmp(value, "automatic") == 0))
         return 1;
     if ((cctx->flags & SSL_CONF_FLAG_CMDLINE) &&
         strcmp(value, "auto") == 0)
@@ -256,6 +257,7 @@ static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value)
 static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
 {
     int rv = 1;
+
     if (cctx->ctx)
         rv = SSL_CTX_set_cipher_list(cctx->ctx, value);
     if (cctx->ssl)
@@ -263,6 +265,17 @@ static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value)
     return rv > 0;
 }
 
+static int cmd_Ciphersuites(SSL_CONF_CTX *cctx, const char *value)
+{
+    int rv = 1;
+
+    if (cctx->ctx)
+        rv = SSL_CTX_set_ciphersuites(cctx->ctx, value);
+    if (cctx->ssl)
+        rv = SSL_set_ciphersuites(cctx->ssl, value);
+    return rv > 0;
+}
+
 static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value)
 {
     static const ssl_flag_tbl ssl_protocol_list[] = {
@@ -369,7 +382,8 @@ static int cmd_Options(SSL_CONF_CTX *cctx, const char *value)
         SSL_FLAG_TBL_INV("EncryptThenMac", SSL_OP_NO_ENCRYPT_THEN_MAC),
         SSL_FLAG_TBL("NoRenegotiation", SSL_OP_NO_RENEGOTIATION),
         SSL_FLAG_TBL("AllowNoDHEKEX", SSL_OP_ALLOW_NO_DHE_KEX),
-        SSL_FLAG_TBL("PrioritizeChaCha", SSL_OP_PRIORITIZE_CHACHA)
+        SSL_FLAG_TBL("PrioritizeChaCha", SSL_OP_PRIORITIZE_CHACHA),
+        SSL_FLAG_TBL("MiddleboxCompat", SSL_OP_ENABLE_MIDDLEBOX_COMPAT)
     };
     if (value == NULL)
         return -3;
@@ -385,7 +399,12 @@ static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value)
         SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER),
         SSL_FLAG_VFY_SRV("Require",
                          SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
-        SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE)
+        SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE),
+        SSL_FLAG_VFY_SRV("RequestPostHandshake",
+                         SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE),
+        SSL_FLAG_VFY_SRV("RequirePostHandshake",
+                         SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE |
+                         SSL_VERIFY_FAIL_IF_NO_PEER_CERT),
     };
     if (value == NULL)
         return -3;
@@ -551,6 +570,21 @@ static int cmd_RecordPadding(SSL_CONF_CTX *cctx, const char *value)
     return rv;
 }
 
+
+static int cmd_NumTickets(SSL_CONF_CTX *cctx, const char *value)
+{
+    int rv = 0;
+    int num_tickets = atoi(value);
+
+    if (num_tickets >= 0) {
+        if (cctx->ctx)
+            rv = SSL_CTX_set_num_tickets(cctx->ctx, num_tickets);
+        if (cctx->ssl)
+            rv = SSL_set_num_tickets(cctx->ssl, num_tickets);
+    }
+    return rv;
+}
+
 typedef struct {
     int (*cmd) (SSL_CONF_CTX *cctx, const char *value);
     const char *str_file;
@@ -591,6 +625,7 @@ static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
     SSL_CONF_CMD_SWITCH("allow_no_dhe_kex", 0),
     SSL_CONF_CMD_SWITCH("prioritize_chacha", SSL_CONF_FLAG_SERVER),
     SSL_CONF_CMD_SWITCH("strict", 0),
+    SSL_CONF_CMD_SWITCH("no_middlebox", 0),
     SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0),
     SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0),
     SSL_CONF_CMD_STRING(Curves, "curves", 0),
@@ -599,6 +634,7 @@ static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
     SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER),
 #endif
     SSL_CONF_CMD_STRING(CipherString, "cipher", 0),
+    SSL_CONF_CMD_STRING(Ciphersuites, "ciphersuites", 0),
     SSL_CONF_CMD_STRING(Protocol, NULL, 0),
     SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0),
     SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0),
@@ -634,7 +670,8 @@ static const ssl_conf_cmd_tbl ssl_conf_cmds[] = {
                  SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE,
                  SSL_CONF_TYPE_FILE),
 #endif
-    SSL_CONF_CMD_STRING(RecordPadding, "record_padding", 0)
+    SSL_CONF_CMD_STRING(RecordPadding, "record_padding", 0),
+    SSL_CONF_CMD_STRING(NumTickets, "num_tickets", SSL_CONF_FLAG_SERVER)
 };
 
 /* Supported switches: must match order of switches in ssl_conf_cmds */
@@ -665,6 +702,8 @@ static const ssl_switch_tbl ssl_cmd_switches[] = {
     /* chacha reprioritization */
     {SSL_OP_PRIORITIZE_CHACHA, 0},
     {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */
+    /* no_middlebox */
+    {SSL_OP_ENABLE_MIDDLEBOX_COMPAT, SSL_TFLAG_INV},
 };
 
 static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd)