-/*
- * ! \file ssl/ssl_cert.c
- */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
#endif
#include "internal/o_dir.h"
-#include <openssl/objects.h>
+#include <openssl/lhash.h>
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/x509v3.h>
-#ifndef OPENSSL_NO_DH
-# include <openssl/dh.h>
-#endif
+#include <openssl/dh.h>
#include <openssl/bn.h>
+#include "internal/threads.h"
#include "ssl_locl.h"
-static int ssl_security_default_callback(SSL *s, SSL_CTX *ctx, int op,
+static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx, int op,
int bits, int nid, void *other,
void *ex);
-int SSL_get_ex_data_X509_STORE_CTX_idx(void)
-{
- static volatile int ssl_x509_store_ctx_idx = -1;
- int got_write_lock = 0;
+static CRYPTO_ONCE ssl_x509_store_ctx_once = CRYPTO_ONCE_STATIC_INIT;
+static volatile int ssl_x509_store_ctx_idx = -1;
- CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
-
- if (ssl_x509_store_ctx_idx < 0) {
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
- CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
- got_write_lock = 1;
-
- if (ssl_x509_store_ctx_idx < 0) {
- ssl_x509_store_ctx_idx =
- X509_STORE_CTX_get_ex_new_index(0, "SSL for verify callback",
+static void ssl_x509_store_ctx_init(void)
+{
+ ssl_x509_store_ctx_idx = X509_STORE_CTX_get_ex_new_index(0,
+ "SSL for verify callback",
NULL, NULL, NULL);
- }
- }
+}
- if (got_write_lock)
- CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
- else
- CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
+int SSL_get_ex_data_X509_STORE_CTX_idx(void)
+{
+ CRYPTO_THREAD_run_once(&ssl_x509_store_ctx_once, ssl_x509_store_ctx_init);
return ssl_x509_store_ctx_idx;
}
if (ret == NULL) {
SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
- return (NULL);
+ return NULL;
}
ret->key = &(ret->pkeys[SSL_PKEY_RSA_ENC]);
ret->sec_cb = ssl_security_default_callback;
ret->sec_level = OPENSSL_TLS_SECURITY_LEVEL;
ret->sec_ex = NULL;
- return (ret);
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ return NULL;
+ }
+
+ return ret;
}
CERT *ssl_cert_dup(CERT *cert)
if (ret == NULL) {
SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
- return (NULL);
+ return NULL;
}
ret->references = 1;
ret->key = &ret->pkeys[cert->key - cert->pkeys];
+ ret->lock = CRYPTO_THREAD_lock_new();
+ if (ret->lock == NULL) {
+ SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
+ OPENSSL_free(ret);
+ return NULL;
+ }
#ifndef OPENSSL_NO_DH
if (cert->dh_tmp != NULL) {
- ret->dh_tmp = DHparams_dup(cert->dh_tmp);
- if (ret->dh_tmp == NULL) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB);
- goto err;
- }
- if (cert->dh_tmp->priv_key) {
- BIGNUM *b = BN_dup(cert->dh_tmp->priv_key);
- if (!b) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
- goto err;
- }
- ret->dh_tmp->priv_key = b;
- }
- if (cert->dh_tmp->pub_key) {
- BIGNUM *b = BN_dup(cert->dh_tmp->pub_key);
- if (!b) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB);
- goto err;
- }
- ret->dh_tmp->pub_key = b;
- }
+ ret->dh_tmp = cert->dh_tmp;
+ EVP_PKEY_up_ref(ret->dh_tmp);
}
ret->dh_tmp_cb = cert->dh_tmp_cb;
ret->dh_tmp_auto = cert->dh_tmp_auto;
if (cpk->privatekey != NULL) {
rpk->privatekey = cpk->privatekey;
- CRYPTO_add(&cpk->privatekey->references, 1, CRYPTO_LOCK_EVP_PKEY);
+ EVP_PKEY_up_ref(cpk->privatekey);
}
if (cpk->chain) {
ret->cert_cb_arg = cert->cert_cb_arg;
if (cert->verify_store) {
- CRYPTO_add(&cert->verify_store->references, 1,
- CRYPTO_LOCK_X509_STORE);
+ X509_STORE_up_ref(cert->verify_store);
ret->verify_store = cert->verify_store;
}
if (cert->chain_store) {
- CRYPTO_add(&cert->chain_store->references, 1, CRYPTO_LOCK_X509_STORE);
+ X509_STORE_up_ref(cert->chain_store);
ret->chain_store = cert->chain_store;
}
goto err;
}
#endif
- return (ret);
+ return ret;
err:
ssl_cert_free(ret);
if (c == NULL)
return;
- i = CRYPTO_add(&c->references, -1, CRYPTO_LOCK_SSL_CERT);
-#ifdef REF_PRINT
- REF_PRINT("CERT", c);
-#endif
+ CRYPTO_atomic_add(&c->references, -1, &i, c->lock);
+ REF_PRINT_COUNT("CERT", c);
if (i > 0)
return;
-#ifdef REF_CHECK
- if (i < 0) {
- fprintf(stderr, "ssl_cert_free, bad reference count\n");
- abort(); /* ok */
- }
-#endif
+ REF_ASSERT_ISNT(i < 0);
#ifndef OPENSSL_NO_DH
- DH_free(c->dh_tmp);
+ EVP_PKEY_free(c->dh_tmp);
#endif
ssl_cert_clear_certs(c);
#ifndef OPENSSL_NO_PSK
OPENSSL_free(c->psk_identity_hint);
#endif
+ CRYPTO_THREAD_lock_free(c->lock);
OPENSSL_free(c);
}
int i;
X509_STORE *verify_store;
X509_STORE_CTX ctx;
+ X509_VERIFY_PARAM *param;
if (s->cert->verify_store)
verify_store = s->cert->verify_store;
SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_X509_LIB);
return (0);
}
+ param = X509_STORE_CTX_get0_param(&ctx);
+ /*
+ * XXX: Separate @AUTHSECLEVEL and @TLSSECLEVEL would be useful at some
+ * point, for now a single @SECLEVEL sets the same policy for TLS crypto
+ * and PKI authentication.
+ */
+ X509_VERIFY_PARAM_set_auth_level(param, SSL_get_security_level(s));
+
/* Set suite B flags if needed */
X509_STORE_CTX_set_flags(&ctx, tls1_suiteb(s));
X509_STORE_CTX_set_ex_data(&ctx, SSL_get_ex_data_X509_STORE_CTX_idx(), s);
+ /* Verify via DANE if enabled */
+ if (DANETLS_ENABLED(&s->dane))
+ X509_STORE_CTX_set0_dane(&ctx, &s->dane);
+
/*
* We need to inherit the verify parameters. These can be determined by
* the context: if its a server it will verify SSL client certificates or
X509_STORE_CTX_set_default(&ctx, s->server ? "ssl_client" : "ssl_server");
/*
- * Anything non-default in "param" should overwrite anything in the ctx.
+ * Anything non-default in "s->param" should overwrite anything in the ctx.
*/
- X509_VERIFY_PARAM_set1(X509_STORE_CTX_get0_param(&ctx), s->param);
+ X509_VERIFY_PARAM_set1(param, s->param);
if (s->verify_callback)
X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback);
if (s->ctx->app_verify_callback != NULL)
i = s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg);
- else {
+ else
i = X509_verify_cert(&ctx);
-# if 0
- /* Dummy error calls so mkerr generates them */
- SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, SSL_R_EE_KEY_TOO_SMALL);
- SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, SSL_R_CA_KEY_TOO_SMALL);
- SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, SSL_R_CA_MD_TOO_WEAK);
-# endif
- if (i > 0)
- i = ssl_security_cert_chain(s, ctx.chain, NULL, 1);
- }
s->verify_result = ctx.error;
+ sk_X509_pop_free(s->verified_chain, X509_free);
+ s->verified_chain = NULL;
+ if (X509_STORE_CTX_get_chain(&ctx) != NULL) {
+ s->verified_chain = X509_STORE_CTX_get1_chain(&ctx);
+ if (s->verified_chain == NULL) {
+ SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_MALLOC_FAILURE);
+ i = 0;
+ }
+ }
+
+ /* Move peername from the store context params to the SSL handle's */
+ X509_VERIFY_PARAM_move_peername(s->param, param);
+
X509_STORE_CTX_cleanup(&ctx);
return (i);
return (add_client_CA(&(ctx->client_CA), x));
}
-static int xname_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
+static int xname_sk_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
{
return (X509_NAME_cmp(*a, *b));
}
+static int xname_cmp(const X509_NAME *a, const X509_NAME *b)
+{
+ return X509_NAME_cmp(a, b);
+}
+
+static unsigned long xname_hash(const X509_NAME *a)
+{
+ return X509_NAME_hash((X509_NAME *)a);
+}
+
/**
* Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed;
* it doesn't really have anything to do with clients (except that a common use
*/
STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
{
- BIO *in;
+ BIO *in = BIO_new(BIO_s_file());
X509 *x = NULL;
X509_NAME *xn = NULL;
- STACK_OF(X509_NAME) *ret = NULL, *sk;
+ STACK_OF(X509_NAME) *ret = NULL;
+ LHASH_OF(X509_NAME) *name_hash =
+ lh_X509_NAME_new(xname_hash, xname_cmp);
- sk = sk_X509_NAME_new(xname_cmp);
-
- in = BIO_new(BIO_s_file());
-
- if ((sk == NULL) || (in == NULL)) {
+ if ((name_hash == NULL) || (in == NULL)) {
SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
goto err;
}
xn = X509_NAME_dup(xn);
if (xn == NULL)
goto err;
- if (sk_X509_NAME_find(sk, xn) >= 0)
+ if (lh_X509_NAME_retrieve(name_hash, xn) != NULL) {
+ /* Duplicate. */
X509_NAME_free(xn);
- else {
- sk_X509_NAME_push(sk, xn);
+ } else {
+ lh_X509_NAME_insert(name_hash, xn);
sk_X509_NAME_push(ret, xn);
}
}
sk_X509_NAME_pop_free(ret, X509_NAME_free);
ret = NULL;
done:
- sk_X509_NAME_free(sk);
BIO_free(in);
X509_free(x);
+ lh_X509_NAME_free(name_hash);
if (ret != NULL)
ERR_clear_error();
return (ret);
int ret = 1;
int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b);
- oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_cmp);
+ oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp);
in = BIO_new(BIO_s_file());
const char *filename;
int ret = 0;
- CRYPTO_w_lock(CRYPTO_LOCK_READDIR);
-
/* Note that a side effect is that the CAs will be sorted by name */
while ((filename = OPENSSL_DIR_read(&d, dir))) {
err:
if (d)
OPENSSL_DIR_end(&d);
- CRYPTO_w_unlock(CRYPTO_LOCK_READDIR);
+
return ret;
}
* ignore the error return from this call. We're not actually verifying
* the cert - we're just building as much of the chain as we can
*/
- X509_verify_cert(&xs_ctx);
+ (void) X509_verify_cert(&xs_ctx);
/* Don't leave errors in the queue */
ERR_clear_error();
i = ssl_security_cert_chain(s, xs_ctx.chain, NULL, 0);
if (i != 1) {
X509_STORE_CTX_cleanup(&xs_ctx);
+#if 0
+ /* Dummy error calls so mkerr generates them */
+ SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_EE_KEY_TOO_SMALL);
+ SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_CA_KEY_TOO_SMALL);
+ SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, SSL_R_CA_MD_TOO_WEAK);
+#endif
SSLerr(SSL_F_SSL_ADD_CERT_CHAIN, i);
return 0;
}
X509_STORE_free(*pstore);
*pstore = store;
if (ref && store)
- CRYPTO_add(&store->references, 1, CRYPTO_LOCK_X509_STORE);
+ X509_STORE_up_ref(store);
return 1;
}
-static int ssl_security_default_callback(SSL *s, SSL_CTX *ctx, int op,
+static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx, int op,
int bits, int nid, void *other,
void *ex)
{
level = SSL_CTX_get_security_level(ctx);
else
level = SSL_get_security_level(s);
- /* Level 0: anything goes */
- if (level <= 0)
+
+ if (level <= 0) {
+ /*
+ * No EDH keys weaker than 1024-bits even at level 0, otherwise,
+ * anything goes.
+ */
+ if (op == SSL_SECOP_TMP_DH && bits < 80)
+ return 0;
return 1;
+ }
if (level > 5)
level = 5;
minbits = minbits_table[level - 1];
break;
}
case SSL_SECOP_VERSION:
- /* SSLv3 not allowed on level 2 */
- if (nid <= SSL3_VERSION && level >= 2)
- return 0;
- /* TLS v1.1 and above only for level 3 */
- if (nid <= TLS1_VERSION && level >= 3)
- return 0;
- /* TLS v1.2 only for level 4 and above */
- if (nid <= TLS1_1_VERSION && level >= 4)
- return 0;
+ if (!SSL_IS_DTLS(s)) {
+ /* SSLv3 not allowed at level 2 */
+ if (nid <= SSL3_VERSION && level >= 2)
+ return 0;
+ /* TLS v1.1 and above only for level 3 */
+ if (nid <= TLS1_VERSION && level >= 3)
+ return 0;
+ /* TLS v1.2 only for level 4 and above */
+ if (nid <= TLS1_1_VERSION && level >= 4)
+ return 0;
+ } else {
+ /* DTLS v1.2 only for level 4 and above */
+ if (DTLS_VERSION_LT(nid, DTLS1_2_VERSION) && level >= 4)
+ return 0;
+ }
break;
case SSL_SECOP_COMPRESSION:
return 1;
}
-int ssl_security(SSL *s, int op, int bits, int nid, void *other)
+int ssl_security(const SSL *s, int op, int bits, int nid, void *other)
{
return s->cert->sec_cb(s, NULL, op, bits, nid, other, s->cert->sec_ex);
}
-int ssl_ctx_security(SSL_CTX *ctx, int op, int bits, int nid, void *other)
+int ssl_ctx_security(const SSL_CTX *ctx, int op, int bits, int nid, void *other)
{
return ctx->cert->sec_cb(NULL, ctx, op, bits, nid, other,
ctx->cert->sec_ex);
projects / openssl.git / blobdiff