/*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
* Copyright 2005 Nokia. All rights reserved.
*
#include <openssl/comp.h>
#include <openssl/engine.h>
#include <openssl/crypto.h>
+#include <openssl/conf.h>
#include "internal/nelem.h"
#include "ssl_locl.h"
#include "internal/thread_once.h"
#define SSL_ENC_AES256CCM8_IDX 17
#define SSL_ENC_GOST8912_IDX 18
#define SSL_ENC_CHACHA_IDX 19
-#define SSL_ENC_NUM_IDX 20
+#define SSL_ENC_ARIA128GCM_IDX 20
+#define SSL_ENC_ARIA256GCM_IDX 21
+#define SSL_ENC_NUM_IDX 22
/* NB: make sure indices in these tables match values above */
{SSL_AES256CCM, NID_aes_256_ccm}, /* SSL_ENC_AES256CCM_IDX 15 */
{SSL_AES128CCM8, NID_aes_128_ccm}, /* SSL_ENC_AES128CCM8_IDX 16 */
{SSL_AES256CCM8, NID_aes_256_ccm}, /* SSL_ENC_AES256CCM8_IDX 17 */
- {SSL_eGOST2814789CNT12, NID_gost89_cnt_12}, /* SSL_ENC_GOST8912_IDX */
- {SSL_CHACHA20POLY1305, NID_chacha20_poly1305},
+ {SSL_eGOST2814789CNT12, NID_gost89_cnt_12}, /* SSL_ENC_GOST8912_IDX 18 */
+ {SSL_CHACHA20POLY1305, NID_chacha20_poly1305}, /* SSL_ENC_CHACHA_IDX 19 */
+ {SSL_ARIA128GCM, NID_aria_128_gcm}, /* SSL_ENC_ARIA128GCM_IDX 20 */
+ {SSL_ARIA256GCM, NID_aria_256_gcm}, /* SSL_ENC_ARIA256GCM_IDX 21 */
};
static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX];
{0, SSL_TXT_CAMELLIA, NULL, 0, 0, 0, SSL_CAMELLIA},
{0, SSL_TXT_CHACHA20, NULL, 0, 0, 0, SSL_CHACHA20},
+ {0, SSL_TXT_ARIA, NULL, 0, 0, 0, SSL_ARIA},
+ {0, SSL_TXT_ARIA_GCM, NULL, 0, 0, 0, SSL_ARIA128GCM | SSL_ARIA256GCM},
+ {0, SSL_TXT_ARIA128, NULL, 0, 0, 0, SSL_ARIA128GCM},
+ {0, SSL_TXT_ARIA256, NULL, 0, 0, 0, SSL_ARIA256GCM},
+
/* MAC aliases */
{0, SSL_TXT_MD5, NULL, 0, 0, 0, 0, SSL_MD5},
{0, SSL_TXT_SHA1, NULL, 0, 0, 0, 0, SSL_SHA1},
disabled_mkey_mask |= SSL_kDHE | SSL_kDHEPSK;
#endif
#ifdef OPENSSL_NO_EC
- disabled_mkey_mask |= SSL_kECDHEPSK;
+ disabled_mkey_mask |= SSL_kECDHE | SSL_kECDHEPSK;
disabled_auth_mask |= SSL_aECDSA;
#endif
#ifdef OPENSSL_NO_PSK
ctmp.id = s->compress_meth;
if (ssl_comp_methods != NULL) {
i = sk_SSL_COMP_find(ssl_comp_methods, &ctmp);
- if (i >= 0)
- *comp = sk_SSL_COMP_value(ssl_comp_methods, i);
- else
- *comp = NULL;
+ *comp = sk_SSL_COMP_value(ssl_comp_methods, i);
}
/* If were only interested in comp then return success */
if ((enc == NULL) && (md == NULL))
}
#endif
-STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method, STACK_OF(SSL_CIPHER)
- **cipher_list, STACK_OF(SSL_CIPHER)
- **cipher_list_by_id,
- const char *rule_str, CERT *c)
+static int ciphersuite_cb(const char *elem, int len, void *arg)
{
- int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases;
+ STACK_OF(SSL_CIPHER) *ciphersuites = (STACK_OF(SSL_CIPHER) *)arg;
+ const SSL_CIPHER *cipher;
+ /* Arbitrary sized temp buffer for the cipher name. Should be big enough */
+ char name[80];
+
+ if (len > (int)(sizeof(name) - 1)) {
+ SSLerr(SSL_F_CIPHERSUITE_CB, SSL_R_NO_CIPHER_MATCH);
+ return 0;
+ }
+
+ memcpy(name, elem, len);
+ name[len] = '\0';
+
+ cipher = ssl3_get_cipher_by_std_name(name);
+ if (cipher == NULL) {
+ SSLerr(SSL_F_CIPHERSUITE_CB, SSL_R_NO_CIPHER_MATCH);
+ return 0;
+ }
+
+ if (!sk_SSL_CIPHER_push(ciphersuites, cipher)) {
+ SSLerr(SSL_F_CIPHERSUITE_CB, ERR_R_INTERNAL_ERROR);
+ return 0;
+ }
+
+ return 1;
+}
+
+static __owur int set_ciphersuites(STACK_OF(SSL_CIPHER) **currciphers, const char *str)
+{
+ STACK_OF(SSL_CIPHER) *newciphers = sk_SSL_CIPHER_new_null();
+
+ if (newciphers == NULL)
+ return 0;
+
+ /* Parse the list. We explicitly allow an empty list */
+ if (*str != '\0'
+ && !CONF_parse_list(str, ':', 1, ciphersuite_cb, newciphers)) {
+ sk_SSL_CIPHER_free(newciphers);
+ return 0;
+ }
+ sk_SSL_CIPHER_free(*currciphers);
+ *currciphers = newciphers;
+
+ return 1;
+}
+
+static int update_cipher_list_by_id(STACK_OF(SSL_CIPHER) **cipher_list_by_id,
+ STACK_OF(SSL_CIPHER) *cipherstack)
+{
+ STACK_OF(SSL_CIPHER) *tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);
+
+ if (tmp_cipher_list == NULL) {
+ return 0;
+ }
+
+ sk_SSL_CIPHER_free(*cipher_list_by_id);
+ *cipher_list_by_id = tmp_cipher_list;
+
+ (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, ssl_cipher_ptr_id_cmp);
+ sk_SSL_CIPHER_sort(*cipher_list_by_id);
+
+ return 1;
+}
+
+static int update_cipher_list(STACK_OF(SSL_CIPHER) **cipher_list,
+ STACK_OF(SSL_CIPHER) **cipher_list_by_id,
+ STACK_OF(SSL_CIPHER) *tls13_ciphersuites)
+{
+ int i;
+ STACK_OF(SSL_CIPHER) *tmp_cipher_list = sk_SSL_CIPHER_dup(*cipher_list);
+
+ if (tmp_cipher_list == NULL)
+ return 0;
+
+ /*
+ * Delete any existing TLSv1.3 ciphersuites. These are always first in the
+ * list.
+ */
+ while (sk_SSL_CIPHER_num(tmp_cipher_list) > 0
+ && sk_SSL_CIPHER_value(tmp_cipher_list, 0)->min_tls
+ == TLS1_3_VERSION)
+ sk_SSL_CIPHER_delete(tmp_cipher_list, 0);
+
+ /* Insert the new TLSv1.3 ciphersuites */
+ for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++)
+ sk_SSL_CIPHER_insert(tmp_cipher_list,
+ sk_SSL_CIPHER_value(tls13_ciphersuites, i), i);
+
+ if (!update_cipher_list_by_id(cipher_list_by_id, tmp_cipher_list))
+ return 0;
+
+ sk_SSL_CIPHER_free(*cipher_list);
+ *cipher_list = tmp_cipher_list;
+
+ return 1;
+}
+
+int SSL_CTX_set_ciphersuites(SSL_CTX *ctx, const char *str)
+{
+ int ret = set_ciphersuites(&(ctx->tls13_ciphersuites), str);
+
+ if (ret && ctx->cipher_list != NULL) {
+ /* We already have a cipher_list, so we need to update it */
+ return update_cipher_list(&ctx->cipher_list, &ctx->cipher_list_by_id,
+ ctx->tls13_ciphersuites);
+ }
+
+ return ret;
+}
+
+int SSL_set_ciphersuites(SSL *s, const char *str)
+{
+ int ret = set_ciphersuites(&(s->tls13_ciphersuites), str);
+
+ if (ret && s->cipher_list != NULL) {
+ /* We already have a cipher_list, so we need to update it */
+ return update_cipher_list(&s->cipher_list, &s->cipher_list_by_id,
+ s->tls13_ciphersuites);
+ }
+
+ return ret;
+}
+
+STACK_OF(SSL_CIPHER) *ssl_create_cipher_list(const SSL_METHOD *ssl_method,
+ STACK_OF(SSL_CIPHER) *tls13_ciphersuites,
+ STACK_OF(SSL_CIPHER) **cipher_list,
+ STACK_OF(SSL_CIPHER) **cipher_list_by_id,
+ const char *rule_str,
+ CERT *c)
+{
+ int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases, i;
uint32_t disabled_mkey, disabled_auth, disabled_enc, disabled_mac;
- STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;
+ STACK_OF(SSL_CIPHER) *cipherstack;
const char *rule_p;
CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;
const SSL_CIPHER **ca_list = NULL;
ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
- /*
- * ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1,
- * &head, &tail);
- */
ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
&tail);
ssl_cipher_apply_rule(0, SSL_kPSK, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head,
return NULL;
}
+ /* Add TLSv1.3 ciphers first - we always prefer those if possible */
+ for (i = 0; i < sk_SSL_CIPHER_num(tls13_ciphersuites); i++) {
+ if (!sk_SSL_CIPHER_push(cipherstack,
+ sk_SSL_CIPHER_value(tls13_ciphersuites, i))) {
+ sk_SSL_CIPHER_free(cipherstack);
+ return NULL;
+ }
+ }
+
/*
* The cipher selection for the list is done. The ciphers are added
* to the resulting precedence to the STACK_OF(SSL_CIPHER).
}
OPENSSL_free(co_list); /* Not needed any longer */
- tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);
- if (tmp_cipher_list == NULL) {
+ if (!update_cipher_list_by_id(cipher_list_by_id, cipherstack)) {
sk_SSL_CIPHER_free(cipherstack);
return NULL;
}
sk_SSL_CIPHER_free(*cipher_list);
*cipher_list = cipherstack;
- if (*cipher_list_by_id != NULL)
- sk_SSL_CIPHER_free(*cipher_list_by_id);
- *cipher_list_by_id = tmp_cipher_list;
- (void)sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id, ssl_cipher_ptr_id_cmp);
- sk_SSL_CIPHER_sort(*cipher_list_by_id);
return cipherstack;
}
if (buf == NULL) {
len = 128;
- buf = OPENSSL_malloc(len);
- if (buf == NULL)
+ if ((buf = OPENSSL_malloc(len)) == NULL) {
+ SSLerr(SSL_F_SSL_CIPHER_DESCRIPTION, ERR_R_MALLOC_FAILURE);
return NULL;
+ }
} else if (len < 128) {
return NULL;
}
case SSL_CAMELLIA256:
enc = "Camellia(256)";
break;
+ case SSL_ARIA128GCM:
+ enc = "ARIAGCM(128)";
+ break;
+ case SSL_ARIA256GCM:
+ enc = "ARIAGCM(256)";
+ break;
case SSL_SEED:
enc = "SEED(128)";
break;
return c->id;
}
+uint16_t SSL_CIPHER_get_protocol_id(const SSL_CIPHER *c)
+{
+ return c->id & 0xFFFF;
+}
+
SSL_COMP *ssl3_comp_find(STACK_OF(SSL_COMP) *sk, int n)
{
SSL_COMP *ctmp;
int i, nn;
if ((n == 0) || (sk == NULL))
- return (NULL);
+ return NULL;
nn = sk_SSL_COMP_num(sk);
for (i = 0; i < nn; i++) {
ctmp = sk_SSL_COMP_value(sk, i);
/* Some hard-coded numbers for the CCM/Poly1305 MAC overhead
* because there are no handy #defines for those. */
- if (c->algorithm_enc & SSL_AESGCM) {
+ if (c->algorithm_enc & (SSL_AESGCM | SSL_ARIAGCM)) {
out = EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
} else if (c->algorithm_enc & (SSL_AES128CCM | SSL_AES256CCM)) {
out = EVP_CCM_TLS_EXPLICIT_IV_LEN + 16;