/*
- * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
#include "internal/o_dir.h"
#include <openssl/bio.h>
#include <openssl/pem.h>
+#include <openssl/store.h>
#include <openssl/x509v3.h>
#include <openssl/dh.h>
#include <openssl/bn.h>
#include <openssl/crypto.h>
#include "internal/refcount.h"
-#include "ssl_locl.h"
+#include "ssl_local.h"
#include "ssl_cert_table.h"
#include "internal/thread_once.h"
CERT *ret = OPENSSL_zalloc(sizeof(*ret));
if (ret == NULL) {
- SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
return NULL;
}
ret->sec_ex = NULL;
ret->lock = CRYPTO_THREAD_lock_new();
if (ret->lock == NULL) {
- SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
int i;
if (ret == NULL) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
return NULL;
}
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);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
OPENSSL_free(ret);
return NULL;
}
-#ifndef OPENSSL_NO_DH
+
if (cert->dh_tmp != NULL) {
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;
-#endif
for (i = 0; i < SSL_PKEY_NUM; i++) {
CERT_PKEY *cpk = cert->pkeys + i;
if (cpk->chain) {
rpk->chain = X509_chain_up_ref(cpk->chain);
if (!rpk->chain) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
goto err;
}
}
ret->pkeys[i].serverinfo =
OPENSSL_malloc(cert->pkeys[i].serverinfo_length);
if (ret->pkeys[i].serverinfo == NULL) {
- SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
goto err;
}
ret->pkeys[i].serverinfo_length = cert->pkeys[i].serverinfo_length;
ret->client_sigalgslen = cert->client_sigalgslen;
} else
ret->client_sigalgs = NULL;
- /* Shared sigalgs also NULL */
- ret->shared_sigalgs = NULL;
/* Copy any custom client certificate types */
if (cert->ctype) {
ret->ctype = OPENSSL_memdup(cert->ctype, cert->ctype_len);
cpk->x509 = NULL;
EVP_PKEY_free(cpk->privatekey);
cpk->privatekey = NULL;
- sk_X509_pop_free(cpk->chain, X509_free);
+ OSSL_STACK_OF_X509_free(cpk->chain);
cpk->chain = NULL;
OPENSSL_free(cpk->serverinfo);
cpk->serverinfo = NULL;
return;
REF_ASSERT_ISNT(i < 0);
-#ifndef OPENSSL_NO_DH
EVP_PKEY_free(c->dh_tmp);
-#endif
ssl_cert_clear_certs(c);
OPENSSL_free(c->conf_sigalgs);
OPENSSL_free(c->client_sigalgs);
- OPENSSL_free(c->shared_sigalgs);
OPENSSL_free(c->ctype);
X509_STORE_free(c->verify_store);
X509_STORE_free(c->chain_store);
int ssl_cert_set0_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain)
{
int i, r;
- CERT_PKEY *cpk = s ? s->cert->key : ctx->cert->key;
+ CERT_PKEY *cpk = s != NULL ? s->cert->key : ctx->cert->key;
+
if (!cpk)
return 0;
for (i = 0; i < sk_X509_num(chain); i++) {
- r = ssl_security_cert(s, ctx, sk_X509_value(chain, i), 0, 0);
+ X509 *x = sk_X509_value(chain, i);
+
+ r = ssl_security_cert(s, ctx, x, 0, 0);
if (r != 1) {
- SSLerr(SSL_F_SSL_CERT_SET0_CHAIN, r);
+ ERR_raise(ERR_LIB_SSL, r);
return 0;
}
}
- sk_X509_pop_free(cpk->chain, X509_free);
+ OSSL_STACK_OF_X509_free(cpk->chain);
cpk->chain = chain;
return 1;
}
if (!dchain)
return 0;
if (!ssl_cert_set0_chain(s, ctx, dchain)) {
- sk_X509_pop_free(dchain, X509_free);
+ OSSL_STACK_OF_X509_free(dchain);
return 0;
}
return 1;
return 0;
r = ssl_security_cert(s, ctx, x, 0, 0);
if (r != 1) {
- SSLerr(SSL_F_SSL_CERT_ADD0_CHAIN_CERT, r);
+ ERR_raise(ERR_LIB_SSL, r);
return 0;
}
if (!cpk->chain)
c->cert_cb_arg = arg;
}
+/*
+ * Verify a certificate chain
+ * Return codes:
+ * 1: Verify success
+ * 0: Verify failure or error
+ * -1: Retry required
+ */
int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk)
{
X509 *x;
else
verify_store = s->ctx->cert_store;
- ctx = X509_STORE_CTX_new();
+ ctx = X509_STORE_CTX_new_ex(s->ctx->libctx, s->ctx->propq);
if (ctx == NULL) {
- SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
return 0;
}
x = sk_X509_value(sk, 0);
if (!X509_STORE_CTX_init(ctx, verify_store, x, sk)) {
- SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, ERR_R_X509_LIB);
+ ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto end;
}
param = X509_STORE_CTX_get0_param(ctx);
if (s->verify_callback)
X509_STORE_CTX_set_verify_cb(ctx, s->verify_callback);
- if (s->ctx->app_verify_callback != NULL)
+ 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);
+ /* We treat an error in the same way as a failure to verify */
+ if (i < 0)
+ i = 0;
+ }
s->verify_result = X509_STORE_CTX_get_error(ctx);
- sk_X509_pop_free(s->verified_chain, X509_free);
+ OSSL_STACK_OF_X509_free(s->verified_chain);
s->verified_chain = NULL;
if (X509_STORE_CTX_get0_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);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
i = 0;
}
}
ret = sk_X509_NAME_new_reserve(NULL, num);
if (ret == NULL) {
- SSLerr(SSL_F_SSL_DUP_CA_LIST, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
return NULL;
}
for (i = 0; i < num; i++) {
name = X509_NAME_dup(sk_X509_NAME_value(sk, i));
if (name == NULL) {
- SSLerr(SSL_F_SSL_DUP_CA_LIST, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
sk_X509_NAME_pop_free(ret, X509_NAME_free);
return NULL;
}
const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s)
{
- return s->s3 != NULL ? s->s3->tmp.peer_ca_names : NULL;
+ return s->s3.tmp.peer_ca_names;
}
STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s)
{
if (!s->server)
- return s->s3 != NULL ? s->s3->tmp.peer_ca_names : NULL;
+ return s->s3.tmp.peer_ca_names;
return s->client_ca_names != NULL ? s->client_ca_names
: s->ctx->client_ca_names;
}
static unsigned long xname_hash(const X509_NAME *a)
{
- return X509_NAME_hash((X509_NAME *)a);
+ /* This returns 0 also if SHA1 is not available */
+ return X509_NAME_hash_ex((X509_NAME *)a, NULL, NULL, NULL);
}
-/**
- * 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
- * for a stack of CAs is to send it to the client). Actually, it doesn't have
- * much to do with CAs, either, since it will load any old cert.
- * \param file the file containing one or more certs.
- * \return a ::STACK containing the certs.
- */
-STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
+STACK_OF(X509_NAME) *SSL_load_client_CA_file_ex(const char *file,
+ OSSL_LIB_CTX *libctx,
+ const char *propq)
{
BIO *in = BIO_new(BIO_s_file());
X509 *x = NULL;
X509_NAME *xn = NULL;
STACK_OF(X509_NAME) *ret = NULL;
LHASH_OF(X509_NAME) *name_hash = lh_X509_NAME_new(xname_hash, xname_cmp);
+ OSSL_LIB_CTX *prev_libctx = NULL;
if ((name_hash == NULL) || (in == NULL)) {
- SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
goto err;
}
- if (!BIO_read_filename(in, file))
+ x = X509_new_ex(libctx, propq);
+ if (x == NULL) {
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ if (BIO_read_filename(in, file) <= 0)
goto err;
+ /* Internally lh_X509_NAME_retrieve() needs the libctx to retrieve SHA1 */
+ prev_libctx = OSSL_LIB_CTX_set0_default(libctx);
for (;;) {
if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL)
break;
if (ret == NULL) {
ret = sk_X509_NAME_new_null();
if (ret == NULL) {
- SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
goto err;
}
}
sk_X509_NAME_pop_free(ret, X509_NAME_free);
ret = NULL;
done:
+ /* restore the old libctx */
+ OSSL_LIB_CTX_set0_default(prev_libctx);
BIO_free(in);
X509_free(x);
lh_X509_NAME_free(name_hash);
return ret;
}
-/**
- * Add a file of certs to a stack.
- * \param stack the stack to add to.
- * \param file the file to add from. All certs in this file that are not
- * already in the stack will be added.
- * \return 1 for success, 0 for failure. Note that in the case of failure some
- * certs may have been added to \c stack.
- */
+STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
+{
+ return SSL_load_client_CA_file_ex(file, NULL, NULL);
+}
int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
const char *file)
in = BIO_new(BIO_s_file());
if (in == NULL) {
- SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
goto err;
}
- if (!BIO_read_filename(in, file))
+ if (BIO_read_filename(in, file) <= 0)
goto err;
for (;;) {
return ret;
}
-/**
- * Add a directory of certs to a stack.
- * \param stack the stack to append to.
- * \param dir the directory to append from. All files in this directory will be
- * examined as potential certs. Any that are acceptable to
- * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be
- * included.
- * \return 1 for success, 0 for failure. Note that in the case of failure some
- * certs may have been added to \c stack.
- */
-
int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
const char *dir)
{
int r;
if (strlen(dir) + strlen(filename) + 2 > sizeof(buf)) {
- SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,
- SSL_R_PATH_TOO_LONG);
+ ERR_raise(ERR_LIB_SSL, SSL_R_PATH_TOO_LONG);
goto err;
}
#ifdef OPENSSL_SYS_VMS
}
if (errno) {
- SYSerr(SYS_F_OPENDIR, get_last_sys_error());
- ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')");
- SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB);
+ ERR_raise_data(ERR_LIB_SYS, get_last_sys_error(),
+ "calling OPENSSL_dir_read(%s)", dir);
+ ERR_raise(ERR_LIB_SSL, ERR_R_SYS_LIB);
goto err;
}
return ret;
}
+static int add_uris_recursive(STACK_OF(X509_NAME) *stack,
+ const char *uri, int depth)
+{
+ int ok = 1;
+ OSSL_STORE_CTX *ctx = NULL;
+ X509 *x = NULL;
+ X509_NAME *xn = NULL;
+
+ if ((ctx = OSSL_STORE_open(uri, NULL, NULL, NULL, NULL)) == NULL)
+ goto err;
+
+ while (!OSSL_STORE_eof(ctx) && !OSSL_STORE_error(ctx)) {
+ OSSL_STORE_INFO *info = OSSL_STORE_load(ctx);
+ int infotype = info == 0 ? 0 : OSSL_STORE_INFO_get_type(info);
+
+ if (info == NULL)
+ continue;
+
+ if (infotype == OSSL_STORE_INFO_NAME) {
+ /*
+ * This is an entry in the "directory" represented by the current
+ * uri. if |depth| allows, dive into it.
+ */
+ if (depth > 0)
+ ok = add_uris_recursive(stack, OSSL_STORE_INFO_get0_NAME(info),
+ depth - 1);
+ } else if (infotype == OSSL_STORE_INFO_CERT) {
+ if ((x = OSSL_STORE_INFO_get0_CERT(info)) == NULL
+ || (xn = X509_get_subject_name(x)) == NULL
+ || (xn = X509_NAME_dup(xn)) == NULL)
+ goto err;
+ if (sk_X509_NAME_find(stack, xn) >= 0) {
+ /* Duplicate. */
+ X509_NAME_free(xn);
+ } else if (!sk_X509_NAME_push(stack, xn)) {
+ X509_NAME_free(xn);
+ goto err;
+ }
+ }
+
+ OSSL_STORE_INFO_free(info);
+ }
+
+ ERR_clear_error();
+ goto done;
+
+ err:
+ ok = 0;
+ done:
+ OSSL_STORE_close(ctx);
+
+ return ok;
+}
+
+int SSL_add_store_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
+ const char *store)
+{
+ int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b)
+ = sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp);
+ int ret = add_uris_recursive(stack, store, 1);
+
+ (void)sk_X509_NAME_set_cmp_func(stack, oldcmp);
+ return ret;
+}
+
/* Build a certificate chain for current certificate */
int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags)
{
X509_STORE_CTX *xs_ctx = NULL;
STACK_OF(X509) *chain = NULL, *untrusted = NULL;
X509 *x;
+ SSL_CTX *real_ctx = (s == NULL) ? ctx : s->ctx;
int i, rv = 0;
if (!cpk->x509) {
- SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_NO_CERTIFICATE_SET);
+ ERR_raise(ERR_LIB_SSL, SSL_R_NO_CERTIFICATE_SET);
goto err;
}
/* Rearranging and check the chain: add everything to a store */
untrusted = cpk->chain;
}
- xs_ctx = X509_STORE_CTX_new();
+ xs_ctx = X509_STORE_CTX_new_ex(real_ctx->libctx, real_ctx->propq);
if (xs_ctx == NULL) {
- SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, ERR_R_MALLOC_FAILURE);
+ ERR_raise(ERR_LIB_SSL, ERR_R_MALLOC_FAILURE);
goto err;
}
if (!X509_STORE_CTX_init(xs_ctx, chain_store, cpk->x509, untrusted)) {
- SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, ERR_R_X509_LIB);
+ ERR_raise(ERR_LIB_SSL, ERR_R_X509_LIB);
goto err;
}
/* Set suite B flags if needed */
if (i > 0)
chain = X509_STORE_CTX_get1_chain(xs_ctx);
if (i <= 0) {
- SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_CERTIFICATE_VERIFY_FAILED);
i = X509_STORE_CTX_get_error(xs_ctx);
- ERR_add_error_data(2, "Verify error:",
- X509_verify_cert_error_string(i));
+ ERR_raise_data(ERR_LIB_SSL, SSL_R_CERTIFICATE_VERIFY_FAILED,
+ "Verify error:%s", X509_verify_cert_error_string(i));
goto err;
}
x = sk_X509_value(chain, i);
rv = ssl_security_cert(s, ctx, x, 0, 0);
if (rv != 1) {
- SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, rv);
- sk_X509_pop_free(chain, X509_free);
+ ERR_raise(ERR_LIB_SSL, rv);
+ OSSL_STACK_OF_X509_free(chain);
rv = 0;
goto err;
}
}
- sk_X509_pop_free(cpk->chain, X509_free);
+ OSSL_STACK_OF_X509_free(cpk->chain);
cpk->chain = chain;
if (rv == 0)
rv = 1;
return 1;
}
+int ssl_get_security_level_bits(const SSL *s, const SSL_CTX *ctx, int *levelp)
+{
+ int level;
+ /*
+ * note that there's a corresponding minbits_table
+ * in crypto/x509/x509_vfy.c that's used for checking the security level
+ * of RSA and DSA keys
+ */
+ static const int minbits_table[5 + 1] = { 0, 80, 112, 128, 192, 256 };
+
+ if (ctx != NULL)
+ level = SSL_CTX_get_security_level(ctx);
+ else
+ level = SSL_get_security_level(s);
+
+ if (level > 5)
+ level = 5;
+ else if (level < 0)
+ level = 0;
+
+ if (levelp != NULL)
+ *levelp = level;
+
+ return minbits_table[level];
+}
+
static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx,
int op, int bits, int nid, void *other,
void *ex)
{
int level, minbits;
- static const int minbits_table[5] = { 80, 112, 128, 192, 256 };
- if (ctx)
- level = SSL_CTX_get_security_level(ctx);
- else
- level = SSL_get_security_level(s);
- if (level <= 0) {
+ minbits = ssl_get_security_level_bits(s, ctx, &level);
+
+ if (level == 0) {
/*
* No EDH keys weaker than 1024-bits even at level 0, otherwise,
* anything goes.
return 0;
return 1;
}
- if (level > 5)
- level = 5;
- minbits = minbits_table[level - 1];
switch (op) {
case SSL_SECOP_CIPHER_SUPPORTED:
case SSL_SECOP_CIPHER_SHARED:
/* SHA1 HMAC is 160 bits of security */
if (minbits > 160 && c->algorithm_mac & SSL_SHA1)
return 0;
- /* Level 2: no RC4 */
- if (level >= 2 && c->algorithm_enc == SSL_RC4)
- return 0;
/* Level 3: forward secure ciphersuites only */
if (level >= 3 && c->min_tls != TLS1_3_VERSION &&
!(c->algorithm_mkey & (SSL_kEDH | SSL_kEECDH)))
const SSL_CERT_LOOKUP *ssl_cert_lookup_by_pkey(const EVP_PKEY *pk, size_t *pidx)
{
- int nid = EVP_PKEY_id(pk);
- size_t tmpidx;
-
- if (nid == NID_undef)
- return NULL;
+ size_t i;
- if (!ssl_cert_lookup_by_nid(nid, &tmpidx))
- return NULL;
+ for (i = 0; i < OSSL_NELEM(ssl_cert_info); i++) {
+ const SSL_CERT_LOOKUP *tmp_lu = &ssl_cert_info[i];
- if (pidx != NULL)
- *pidx = tmpidx;
+ if (EVP_PKEY_is_a(pk, OBJ_nid2sn(tmp_lu->nid))
+ || EVP_PKEY_is_a(pk, OBJ_nid2ln(tmp_lu->nid))) {
+ if (pidx != NULL)
+ *pidx = i;
+ return tmp_lu;
+ }
+ }
- return &ssl_cert_info[tmpidx];
+ return NULL;
}
const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx)
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