zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/ssl/ssl_cert.c b/ap/lib/libssl/openssl-1.1.1o/ssl/ssl_cert.c
new file mode 100644
index 0000000..b615e70
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/ssl/ssl_cert.c
@@ -0,0 +1,1031 @@
+/*
+ * Copyright 1995-2022 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
+ * 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 <stdio.h>
+#include <sys/types.h>
+
+#include "internal/nelem.h"
+#include "internal/o_dir.h"
+#include <openssl/bio.h>
+#include <openssl/pem.h>
+#include <openssl/x509v3.h>
+#include <openssl/dh.h>
+#include <openssl/bn.h>
+#include <openssl/crypto.h>
+#include "internal/refcount.h"
+#include "ssl_local.h"
+#include "ssl_cert_table.h"
+#include "internal/thread_once.h"
+
+static int ssl_security_default_callback(const SSL *s, const SSL_CTX *ctx,
+ int op, int bits, int nid, void *other,
+ void *ex);
+
+static CRYPTO_ONCE ssl_x509_store_ctx_once = CRYPTO_ONCE_STATIC_INIT;
+static volatile int ssl_x509_store_ctx_idx = -1;
+
+DEFINE_RUN_ONCE_STATIC(ssl_x509_store_ctx_init)
+{
+ ssl_x509_store_ctx_idx = X509_STORE_CTX_get_ex_new_index(0,
+ "SSL for verify callback",
+ NULL, NULL, NULL);
+ return ssl_x509_store_ctx_idx >= 0;
+}
+
+int SSL_get_ex_data_X509_STORE_CTX_idx(void)
+{
+
+ if (!RUN_ONCE(&ssl_x509_store_ctx_once, ssl_x509_store_ctx_init))
+ return -1;
+ return ssl_x509_store_ctx_idx;
+}
+
+CERT *ssl_cert_new(void)
+{
+ CERT *ret = OPENSSL_zalloc(sizeof(*ret));
+
+ if (ret == NULL) {
+ SSLerr(SSL_F_SSL_CERT_NEW, ERR_R_MALLOC_FAILURE);
+ return NULL;
+ }
+
+ ret->key = &(ret->pkeys[SSL_PKEY_RSA]);
+ ret->references = 1;
+ ret->sec_cb = ssl_security_default_callback;
+ ret->sec_level = OPENSSL_TLS_SECURITY_LEVEL;
+ ret->sec_ex = NULL;
+ 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)
+{
+ CERT *ret = OPENSSL_zalloc(sizeof(*ret));
+ int i;
+
+ if (ret == NULL) {
+ SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
+ 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 = 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;
+ CERT_PKEY *rpk = ret->pkeys + i;
+ if (cpk->x509 != NULL) {
+ rpk->x509 = cpk->x509;
+ X509_up_ref(rpk->x509);
+ }
+
+ if (cpk->privatekey != NULL) {
+ rpk->privatekey = cpk->privatekey;
+ EVP_PKEY_up_ref(cpk->privatekey);
+ }
+
+ if (cpk->chain) {
+ rpk->chain = X509_chain_up_ref(cpk->chain);
+ if (!rpk->chain) {
+ SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+ }
+ if (cert->pkeys[i].serverinfo != NULL) {
+ /* Just copy everything. */
+ 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);
+ goto err;
+ }
+ ret->pkeys[i].serverinfo_length = cert->pkeys[i].serverinfo_length;
+ memcpy(ret->pkeys[i].serverinfo,
+ cert->pkeys[i].serverinfo, cert->pkeys[i].serverinfo_length);
+ }
+ }
+
+ /* Configured sigalgs copied across */
+ if (cert->conf_sigalgs) {
+ ret->conf_sigalgs = OPENSSL_malloc(cert->conf_sigalgslen
+ * sizeof(*cert->conf_sigalgs));
+ if (ret->conf_sigalgs == NULL)
+ goto err;
+ memcpy(ret->conf_sigalgs, cert->conf_sigalgs,
+ cert->conf_sigalgslen * sizeof(*cert->conf_sigalgs));
+ ret->conf_sigalgslen = cert->conf_sigalgslen;
+ } else
+ ret->conf_sigalgs = NULL;
+
+ if (cert->client_sigalgs) {
+ ret->client_sigalgs = OPENSSL_malloc(cert->client_sigalgslen
+ * sizeof(*cert->client_sigalgs));
+ if (ret->client_sigalgs == NULL)
+ goto err;
+ memcpy(ret->client_sigalgs, cert->client_sigalgs,
+ cert->client_sigalgslen * sizeof(*cert->client_sigalgs));
+ ret->client_sigalgslen = cert->client_sigalgslen;
+ } else
+ ret->client_sigalgs = NULL;
+ /* Copy any custom client certificate types */
+ if (cert->ctype) {
+ ret->ctype = OPENSSL_memdup(cert->ctype, cert->ctype_len);
+ if (ret->ctype == NULL)
+ goto err;
+ ret->ctype_len = cert->ctype_len;
+ }
+
+ ret->cert_flags = cert->cert_flags;
+
+ ret->cert_cb = cert->cert_cb;
+ ret->cert_cb_arg = cert->cert_cb_arg;
+
+ if (cert->verify_store) {
+ X509_STORE_up_ref(cert->verify_store);
+ ret->verify_store = cert->verify_store;
+ }
+
+ if (cert->chain_store) {
+ X509_STORE_up_ref(cert->chain_store);
+ ret->chain_store = cert->chain_store;
+ }
+
+ ret->sec_cb = cert->sec_cb;
+ ret->sec_level = cert->sec_level;
+ ret->sec_ex = cert->sec_ex;
+
+ if (!custom_exts_copy(&ret->custext, &cert->custext))
+ goto err;
+#ifndef OPENSSL_NO_PSK
+ if (cert->psk_identity_hint) {
+ ret->psk_identity_hint = OPENSSL_strdup(cert->psk_identity_hint);
+ if (ret->psk_identity_hint == NULL)
+ goto err;
+ }
+#endif
+ return ret;
+
+ err:
+ ssl_cert_free(ret);
+
+ return NULL;
+}
+
+/* Free up and clear all certificates and chains */
+
+void ssl_cert_clear_certs(CERT *c)
+{
+ int i;
+ if (c == NULL)
+ return;
+ for (i = 0; i < SSL_PKEY_NUM; i++) {
+ CERT_PKEY *cpk = c->pkeys + i;
+ X509_free(cpk->x509);
+ cpk->x509 = NULL;
+ EVP_PKEY_free(cpk->privatekey);
+ cpk->privatekey = NULL;
+ sk_X509_pop_free(cpk->chain, X509_free);
+ cpk->chain = NULL;
+ OPENSSL_free(cpk->serverinfo);
+ cpk->serverinfo = NULL;
+ cpk->serverinfo_length = 0;
+ }
+}
+
+void ssl_cert_free(CERT *c)
+{
+ int i;
+
+ if (c == NULL)
+ return;
+ CRYPTO_DOWN_REF(&c->references, &i, c->lock);
+ REF_PRINT_COUNT("CERT", c);
+ if (i > 0)
+ 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->ctype);
+ X509_STORE_free(c->verify_store);
+ X509_STORE_free(c->chain_store);
+ custom_exts_free(&c->custext);
+#ifndef OPENSSL_NO_PSK
+ OPENSSL_free(c->psk_identity_hint);
+#endif
+ CRYPTO_THREAD_lock_free(c->lock);
+ OPENSSL_free(c);
+}
+
+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;
+ 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);
+ if (r != 1) {
+ SSLerr(SSL_F_SSL_CERT_SET0_CHAIN, r);
+ return 0;
+ }
+ }
+ sk_X509_pop_free(cpk->chain, X509_free);
+ cpk->chain = chain;
+ return 1;
+}
+
+int ssl_cert_set1_chain(SSL *s, SSL_CTX *ctx, STACK_OF(X509) *chain)
+{
+ STACK_OF(X509) *dchain;
+ if (!chain)
+ return ssl_cert_set0_chain(s, ctx, NULL);
+ dchain = X509_chain_up_ref(chain);
+ if (!dchain)
+ return 0;
+ if (!ssl_cert_set0_chain(s, ctx, dchain)) {
+ sk_X509_pop_free(dchain, X509_free);
+ return 0;
+ }
+ return 1;
+}
+
+int ssl_cert_add0_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x)
+{
+ int r;
+ CERT_PKEY *cpk = s ? s->cert->key : ctx->cert->key;
+ if (!cpk)
+ return 0;
+ r = ssl_security_cert(s, ctx, x, 0, 0);
+ if (r != 1) {
+ SSLerr(SSL_F_SSL_CERT_ADD0_CHAIN_CERT, r);
+ return 0;
+ }
+ if (!cpk->chain)
+ cpk->chain = sk_X509_new_null();
+ if (!cpk->chain || !sk_X509_push(cpk->chain, x))
+ return 0;
+ return 1;
+}
+
+int ssl_cert_add1_chain_cert(SSL *s, SSL_CTX *ctx, X509 *x)
+{
+ if (!ssl_cert_add0_chain_cert(s, ctx, x))
+ return 0;
+ X509_up_ref(x);
+ return 1;
+}
+
+int ssl_cert_select_current(CERT *c, X509 *x)
+{
+ int i;
+ if (x == NULL)
+ return 0;
+ for (i = 0; i < SSL_PKEY_NUM; i++) {
+ CERT_PKEY *cpk = c->pkeys + i;
+ if (cpk->x509 == x && cpk->privatekey) {
+ c->key = cpk;
+ return 1;
+ }
+ }
+
+ for (i = 0; i < SSL_PKEY_NUM; i++) {
+ CERT_PKEY *cpk = c->pkeys + i;
+ if (cpk->privatekey && cpk->x509 && !X509_cmp(cpk->x509, x)) {
+ c->key = cpk;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+int ssl_cert_set_current(CERT *c, long op)
+{
+ int i, idx;
+ if (!c)
+ return 0;
+ if (op == SSL_CERT_SET_FIRST)
+ idx = 0;
+ else if (op == SSL_CERT_SET_NEXT) {
+ idx = (int)(c->key - c->pkeys + 1);
+ if (idx >= SSL_PKEY_NUM)
+ return 0;
+ } else
+ return 0;
+ for (i = idx; i < SSL_PKEY_NUM; i++) {
+ CERT_PKEY *cpk = c->pkeys + i;
+ if (cpk->x509 && cpk->privatekey) {
+ c->key = cpk;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+void ssl_cert_set_cert_cb(CERT *c, int (*cb) (SSL *ssl, void *arg), void *arg)
+{
+ c->cert_cb = cb;
+ c->cert_cb_arg = arg;
+}
+
+int ssl_verify_cert_chain(SSL *s, STACK_OF(X509) *sk)
+{
+ X509 *x;
+ int i = 0;
+ X509_STORE *verify_store;
+ X509_STORE_CTX *ctx = NULL;
+ X509_VERIFY_PARAM *param;
+
+ if ((sk == NULL) || (sk_X509_num(sk) == 0))
+ return 0;
+
+ if (s->cert->verify_store)
+ verify_store = s->cert->verify_store;
+ else
+ verify_store = s->ctx->cert_store;
+
+ ctx = X509_STORE_CTX_new();
+ if (ctx == NULL) {
+ SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN, 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);
+ goto end;
+ }
+ 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));
+ if (!X509_STORE_CTX_set_ex_data
+ (ctx, SSL_get_ex_data_X509_STORE_CTX_idx(), s)) {
+ goto end;
+ }
+
+ /* 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
+ * vice versa.
+ */
+
+ X509_STORE_CTX_set_default(ctx, s->server ? "ssl_client" : "ssl_server");
+ /*
+ * Anything non-default in "s->param" should overwrite anything in the ctx.
+ */
+ 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
+ i = X509_verify_cert(ctx);
+
+ s->verify_result = X509_STORE_CTX_get_error(ctx);
+ sk_X509_pop_free(s->verified_chain, X509_free);
+ 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);
+ i = 0;
+ }
+ }
+
+ /* Move peername from the store context params to the SSL handle's */
+ X509_VERIFY_PARAM_move_peername(s->param, param);
+
+ end:
+ X509_STORE_CTX_free(ctx);
+ return i;
+}
+
+static void set0_CA_list(STACK_OF(X509_NAME) **ca_list,
+ STACK_OF(X509_NAME) *name_list)
+{
+ sk_X509_NAME_pop_free(*ca_list, X509_NAME_free);
+ *ca_list = name_list;
+}
+
+STACK_OF(X509_NAME) *SSL_dup_CA_list(const STACK_OF(X509_NAME) *sk)
+{
+ int i;
+ const int num = sk_X509_NAME_num(sk);
+ STACK_OF(X509_NAME) *ret;
+ X509_NAME *name;
+
+ ret = sk_X509_NAME_new_reserve(NULL, num);
+ if (ret == NULL) {
+ SSLerr(SSL_F_SSL_DUP_CA_LIST, 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);
+ sk_X509_NAME_pop_free(ret, X509_NAME_free);
+ return NULL;
+ }
+ sk_X509_NAME_push(ret, name); /* Cannot fail after reserve call */
+ }
+ return ret;
+}
+
+void SSL_set0_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
+{
+ set0_CA_list(&s->ca_names, name_list);
+}
+
+void SSL_CTX_set0_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list)
+{
+ set0_CA_list(&ctx->ca_names, name_list);
+}
+
+const STACK_OF(X509_NAME) *SSL_CTX_get0_CA_list(const SSL_CTX *ctx)
+{
+ return ctx->ca_names;
+}
+
+const STACK_OF(X509_NAME) *SSL_get0_CA_list(const SSL *s)
+{
+ return s->ca_names != NULL ? s->ca_names : s->ctx->ca_names;
+}
+
+void SSL_CTX_set_client_CA_list(SSL_CTX *ctx, STACK_OF(X509_NAME) *name_list)
+{
+ set0_CA_list(&ctx->client_ca_names, name_list);
+}
+
+STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx)
+{
+ return ctx->client_ca_names;
+}
+
+void SSL_set_client_CA_list(SSL *s, STACK_OF(X509_NAME) *name_list)
+{
+ set0_CA_list(&s->client_ca_names, name_list);
+}
+
+const STACK_OF(X509_NAME) *SSL_get0_peer_CA_list(const SSL *s)
+{
+ return s->s3 != NULL ? s->s3->tmp.peer_ca_names : NULL;
+}
+
+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->client_ca_names != NULL ? s->client_ca_names
+ : s->ctx->client_ca_names;
+}
+
+static int add_ca_name(STACK_OF(X509_NAME) **sk, const X509 *x)
+{
+ X509_NAME *name;
+
+ if (x == NULL)
+ return 0;
+ if (*sk == NULL && ((*sk = sk_X509_NAME_new_null()) == NULL))
+ return 0;
+
+ if ((name = X509_NAME_dup(X509_get_subject_name(x))) == NULL)
+ return 0;
+
+ if (!sk_X509_NAME_push(*sk, name)) {
+ X509_NAME_free(name);
+ return 0;
+ }
+ return 1;
+}
+
+int SSL_add1_to_CA_list(SSL *ssl, const X509 *x)
+{
+ return add_ca_name(&ssl->ca_names, x);
+}
+
+int SSL_CTX_add1_to_CA_list(SSL_CTX *ctx, const X509 *x)
+{
+ return add_ca_name(&ctx->ca_names, x);
+}
+
+/*
+ * The following two are older names are to be replaced with
+ * SSL(_CTX)_add1_to_CA_list
+ */
+int SSL_add_client_CA(SSL *ssl, X509 *x)
+{
+ return add_ca_name(&ssl->client_ca_names, x);
+}
+
+int SSL_CTX_add_client_CA(SSL_CTX *ctx, X509 *x)
+{
+ return add_ca_name(&ctx->client_ca_names, x);
+}
+
+static int xname_cmp(const X509_NAME *a, const X509_NAME *b)
+{
+ unsigned char *abuf = NULL, *bbuf = NULL;
+ int alen, blen, ret;
+
+ /* X509_NAME_cmp() itself casts away constness in this way, so
+ * assume it's safe:
+ */
+ alen = i2d_X509_NAME((X509_NAME *)a, &abuf);
+ blen = i2d_X509_NAME((X509_NAME *)b, &bbuf);
+
+ if (alen < 0 || blen < 0)
+ ret = -2;
+ else if (alen != blen)
+ ret = alen - blen;
+ else /* alen == blen */
+ ret = memcmp(abuf, bbuf, alen);
+
+ OPENSSL_free(abuf);
+ OPENSSL_free(bbuf);
+
+ return ret;
+}
+
+static int xname_sk_cmp(const X509_NAME *const *a, const X509_NAME *const *b)
+{
+ return xname_cmp(*a, *b);
+}
+
+static unsigned long xname_hash(const X509_NAME *a)
+{
+ return X509_NAME_hash((X509_NAME *)a);
+}
+
+STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file)
+{
+ 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);
+
+ if ((name_hash == NULL) || (in == NULL)) {
+ SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!BIO_read_filename(in, file))
+ goto err;
+
+ 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);
+ goto err;
+ }
+ }
+ if ((xn = X509_get_subject_name(x)) == NULL)
+ goto err;
+ /* check for duplicates */
+ xn = X509_NAME_dup(xn);
+ if (xn == NULL)
+ goto err;
+ if (lh_X509_NAME_retrieve(name_hash, xn) != NULL) {
+ /* Duplicate. */
+ X509_NAME_free(xn);
+ xn = NULL;
+ } else {
+ lh_X509_NAME_insert(name_hash, xn);
+ if (!sk_X509_NAME_push(ret, xn))
+ goto err;
+ }
+ }
+ goto done;
+
+ err:
+ X509_NAME_free(xn);
+ sk_X509_NAME_pop_free(ret, X509_NAME_free);
+ ret = NULL;
+ done:
+ BIO_free(in);
+ X509_free(x);
+ lh_X509_NAME_free(name_hash);
+ if (ret != NULL)
+ ERR_clear_error();
+ return ret;
+}
+
+int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
+ const char *file)
+{
+ BIO *in;
+ X509 *x = NULL;
+ X509_NAME *xn = NULL;
+ int ret = 1;
+ int (*oldcmp) (const X509_NAME *const *a, const X509_NAME *const *b);
+
+ oldcmp = sk_X509_NAME_set_cmp_func(stack, xname_sk_cmp);
+
+ in = BIO_new(BIO_s_file());
+
+ if (in == NULL) {
+ SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!BIO_read_filename(in, file))
+ goto err;
+
+ for (;;) {
+ if (PEM_read_bio_X509(in, &x, NULL, NULL) == NULL)
+ break;
+ if ((xn = X509_get_subject_name(x)) == NULL)
+ goto err;
+ xn = X509_NAME_dup(xn);
+ if (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;
+ }
+ }
+
+ ERR_clear_error();
+ goto done;
+
+ err:
+ ret = 0;
+ done:
+ BIO_free(in);
+ X509_free(x);
+ (void)sk_X509_NAME_set_cmp_func(stack, oldcmp);
+ return ret;
+}
+
+int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack,
+ const char *dir)
+{
+ OPENSSL_DIR_CTX *d = NULL;
+ const char *filename;
+ int ret = 0;
+
+ /* Note that a side effect is that the CAs will be sorted by name */
+
+ while ((filename = OPENSSL_DIR_read(&d, dir))) {
+ char buf[1024];
+ 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);
+ goto err;
+ }
+#ifdef OPENSSL_SYS_VMS
+ r = BIO_snprintf(buf, sizeof(buf), "%s%s", dir, filename);
+#else
+ r = BIO_snprintf(buf, sizeof(buf), "%s/%s", dir, filename);
+#endif
+ if (r <= 0 || r >= (int)sizeof(buf))
+ goto err;
+ if (!SSL_add_file_cert_subjects_to_stack(stack, buf))
+ goto err;
+ }
+
+ 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);
+ goto err;
+ }
+
+ ret = 1;
+
+ err:
+ if (d)
+ OPENSSL_DIR_end(&d);
+
+ return ret;
+}
+
+/* Build a certificate chain for current certificate */
+int ssl_build_cert_chain(SSL *s, SSL_CTX *ctx, int flags)
+{
+ CERT *c = s ? s->cert : ctx->cert;
+ CERT_PKEY *cpk = c->key;
+ X509_STORE *chain_store = NULL;
+ X509_STORE_CTX *xs_ctx = NULL;
+ STACK_OF(X509) *chain = NULL, *untrusted = NULL;
+ X509 *x;
+ int i, rv = 0;
+
+ if (!cpk->x509) {
+ SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, SSL_R_NO_CERTIFICATE_SET);
+ goto err;
+ }
+ /* Rearranging and check the chain: add everything to a store */
+ if (flags & SSL_BUILD_CHAIN_FLAG_CHECK) {
+ chain_store = X509_STORE_new();
+ if (chain_store == NULL)
+ goto err;
+ for (i = 0; i < sk_X509_num(cpk->chain); i++) {
+ x = sk_X509_value(cpk->chain, i);
+ if (!X509_STORE_add_cert(chain_store, x))
+ goto err;
+ }
+ /* Add EE cert too: it might be self signed */
+ if (!X509_STORE_add_cert(chain_store, cpk->x509))
+ goto err;
+ } else {
+ if (c->chain_store)
+ chain_store = c->chain_store;
+ else if (s)
+ chain_store = s->ctx->cert_store;
+ else
+ chain_store = ctx->cert_store;
+
+ if (flags & SSL_BUILD_CHAIN_FLAG_UNTRUSTED)
+ untrusted = cpk->chain;
+ }
+
+ xs_ctx = X509_STORE_CTX_new();
+ if (xs_ctx == NULL) {
+ SSLerr(SSL_F_SSL_BUILD_CERT_CHAIN, 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);
+ goto err;
+ }
+ /* Set suite B flags if needed */
+ X509_STORE_CTX_set_flags(xs_ctx,
+ c->cert_flags & SSL_CERT_FLAG_SUITEB_128_LOS);
+
+ i = X509_verify_cert(xs_ctx);
+ if (i <= 0 && flags & SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR) {
+ if (flags & SSL_BUILD_CHAIN_FLAG_CLEAR_ERROR)
+ ERR_clear_error();
+ i = 1;
+ rv = 2;
+ }
+ 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));
+
+ goto err;
+ }
+ /* Remove EE certificate from chain */
+ x = sk_X509_shift(chain);
+ X509_free(x);
+ if (flags & SSL_BUILD_CHAIN_FLAG_NO_ROOT) {
+ if (sk_X509_num(chain) > 0) {
+ /* See if last cert is self signed */
+ x = sk_X509_value(chain, sk_X509_num(chain) - 1);
+ if (X509_get_extension_flags(x) & EXFLAG_SS) {
+ x = sk_X509_pop(chain);
+ X509_free(x);
+ }
+ }
+ }
+ /*
+ * Check security level of all CA certificates: EE will have been checked
+ * already.
+ */
+ for (i = 0; i < sk_X509_num(chain); i++) {
+ 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);
+ rv = 0;
+ goto err;
+ }
+ }
+ sk_X509_pop_free(cpk->chain, X509_free);
+ cpk->chain = chain;
+ if (rv == 0)
+ rv = 1;
+ err:
+ if (flags & SSL_BUILD_CHAIN_FLAG_CHECK)
+ X509_STORE_free(chain_store);
+ X509_STORE_CTX_free(xs_ctx);
+
+ return rv;
+}
+
+int ssl_cert_set_cert_store(CERT *c, X509_STORE *store, int chain, int ref)
+{
+ X509_STORE **pstore;
+ if (chain)
+ pstore = &c->chain_store;
+ else
+ pstore = &c->verify_store;
+ X509_STORE_free(*pstore);
+ *pstore = store;
+ if (ref && store)
+ X509_STORE_up_ref(store);
+ return 1;
+}
+
+int ssl_cert_get_cert_store(CERT *c, X509_STORE **pstore, int chain)
+{
+ *pstore = (chain ? c->chain_store : c->verify_store);
+ return 1;
+}
+
+int ssl_get_security_level_bits(const SSL *s, const SSL_CTX *ctx, int *levelp)
+{
+ int level;
+ 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, pfs_mask;
+
+ 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.
+ */
+ if (op == SSL_SECOP_TMP_DH && bits < 80)
+ return 0;
+ return 1;
+ }
+ switch (op) {
+ case SSL_SECOP_CIPHER_SUPPORTED:
+ case SSL_SECOP_CIPHER_SHARED:
+ case SSL_SECOP_CIPHER_CHECK:
+ {
+ const SSL_CIPHER *c = other;
+ /* No ciphers below security level */
+ if (bits < minbits)
+ return 0;
+ /* No unauthenticated ciphersuites */
+ if (c->algorithm_auth & SSL_aNULL)
+ return 0;
+ /* No MD5 mac ciphersuites */
+ if (c->algorithm_mac & SSL_MD5)
+ return 0;
+ /* 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 */
+ pfs_mask = SSL_kDHE | SSL_kECDHE | SSL_kDHEPSK | SSL_kECDHEPSK;
+ if (level >= 3 && c->min_tls != TLS1_3_VERSION &&
+ !(c->algorithm_mkey & pfs_mask))
+ return 0;
+ break;
+ }
+ case SSL_SECOP_VERSION:
+ 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:
+ if (level >= 2)
+ return 0;
+ break;
+ case SSL_SECOP_TICKET:
+ if (level >= 3)
+ return 0;
+ break;
+ default:
+ if (bits < minbits)
+ return 0;
+ }
+ return 1;
+}
+
+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(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);
+}
+
+int ssl_cert_lookup_by_nid(int nid, size_t *pidx)
+{
+ size_t i;
+
+ for (i = 0; i < OSSL_NELEM(ssl_cert_info); i++) {
+ if (ssl_cert_info[i].nid == nid) {
+ *pidx = i;
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+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;
+
+ if (!ssl_cert_lookup_by_nid(nid, &tmpidx))
+ return NULL;
+
+ if (pidx != NULL)
+ *pidx = tmpidx;
+
+ return &ssl_cert_info[tmpidx];
+}
+
+const SSL_CERT_LOOKUP *ssl_cert_lookup_by_idx(size_t idx)
+{
+ if (idx >= OSSL_NELEM(ssl_cert_info))
+ return NULL;
+ return &ssl_cert_info[idx];
+}