Index: create.patch.sh
===================================================================
--- create.patch.sh (nonexistent)
+++ create.patch.sh (revision 5)
@@ -0,0 +1,15 @@
+#!/bin/sh
+
+VERSION=2.9
+
+tar --files-from=file.list -xzvf ../wpa_supplicant-$VERSION.tar.gz
+mv wpa_supplicant-$VERSION wpa_supplicant-$VERSION-orig
+
+cp -rf ./wpa_supplicant-$VERSION-new ./wpa_supplicant-$VERSION
+
+diff --unified -Nr wpa_supplicant-$VERSION-orig wpa_supplicant-$VERSION > wpa_supplicant-$VERSION-allow-tlsv1.patch
+
+mv wpa_supplicant-$VERSION-allow-tlsv1.patch ../patches
+
+rm -rf ./wpa_supplicant-$VERSION
+rm -rf ./wpa_supplicant-$VERSION-orig
Property changes on: create.patch.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: file.list
===================================================================
--- file.list (nonexistent)
+++ file.list (revision 5)
@@ -0,0 +1 @@
+wpa_supplicant-2.9/src/crypto/tls_openssl.c
Index: wpa_supplicant-2.9-new/src/crypto/tls_openssl.c
===================================================================
--- wpa_supplicant-2.9-new/src/crypto/tls_openssl.c (nonexistent)
+++ wpa_supplicant-2.9-new/src/crypto/tls_openssl.c (revision 5)
@@ -0,0 +1,5557 @@
+/*
+ * SSL/TLS interface functions for OpenSSL
+ * Copyright (c) 2004-2015, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#ifndef CONFIG_SMARTCARD
+#ifndef OPENSSL_NO_ENGINE
+#ifndef ANDROID
+#define OPENSSL_NO_ENGINE
+#endif
+#endif
+#endif
+
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#include <openssl/opensslv.h>
+#include <openssl/pkcs12.h>
+#include <openssl/x509v3.h>
+#ifndef OPENSSL_NO_ENGINE
+#include <openssl/engine.h>
+#endif /* OPENSSL_NO_ENGINE */
+#ifndef OPENSSL_NO_DSA
+#include <openssl/dsa.h>
+#endif
+#ifndef OPENSSL_NO_DH
+#include <openssl/dh.h>
+#endif
+
+#include "common.h"
+#include "crypto.h"
+#include "sha1.h"
+#include "sha256.h"
+#include "tls.h"
+#include "tls_openssl.h"
+
+#if !defined(CONFIG_FIPS) && \
+ (defined(EAP_FAST) || defined(EAP_FAST_DYNAMIC) || \
+ defined(EAP_SERVER_FAST))
+#define OPENSSL_NEED_EAP_FAST_PRF
+#endif
+
+#if defined(EAP_FAST) || defined(EAP_FAST_DYNAMIC) || \
+ defined(EAP_SERVER_FAST) || defined(EAP_TEAP) || \
+ defined(EAP_SERVER_TEAP)
+#define EAP_FAST_OR_TEAP
+#endif
+
+
+#if defined(OPENSSL_IS_BORINGSSL)
+/* stack_index_t is the return type of OpenSSL's sk_XXX_num() functions. */
+typedef size_t stack_index_t;
+#else
+typedef int stack_index_t;
+#endif
+
+#ifdef SSL_set_tlsext_status_type
+#ifndef OPENSSL_NO_TLSEXT
+#define HAVE_OCSP
+#include <openssl/ocsp.h>
+#endif /* OPENSSL_NO_TLSEXT */
+#endif /* SSL_set_tlsext_status_type */
+
+#if (OPENSSL_VERSION_NUMBER < 0x10100000L || \
+ (defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)) && \
+ !defined(BORINGSSL_API_VERSION)
+/*
+ * SSL_get_client_random() and SSL_get_server_random() were added in OpenSSL
+ * 1.1.0 and newer BoringSSL revisions. Provide compatibility wrappers for
+ * older versions.
+ */
+
+static size_t SSL_get_client_random(const SSL *ssl, unsigned char *out,
+ size_t outlen)
+{
+ if (!ssl->s3 || outlen < SSL3_RANDOM_SIZE)
+ return 0;
+ os_memcpy(out, ssl->s3->client_random, SSL3_RANDOM_SIZE);
+ return SSL3_RANDOM_SIZE;
+}
+
+
+static size_t SSL_get_server_random(const SSL *ssl, unsigned char *out,
+ size_t outlen)
+{
+ if (!ssl->s3 || outlen < SSL3_RANDOM_SIZE)
+ return 0;
+ os_memcpy(out, ssl->s3->server_random, SSL3_RANDOM_SIZE);
+ return SSL3_RANDOM_SIZE;
+}
+
+
+#ifdef OPENSSL_NEED_EAP_FAST_PRF
+static size_t SSL_SESSION_get_master_key(const SSL_SESSION *session,
+ unsigned char *out, size_t outlen)
+{
+ if (!session || session->master_key_length < 0 ||
+ (size_t) session->master_key_length > outlen)
+ return 0;
+ if ((size_t) session->master_key_length < outlen)
+ outlen = session->master_key_length;
+ os_memcpy(out, session->master_key, outlen);
+ return outlen;
+}
+#endif /* OPENSSL_NEED_EAP_FAST_PRF */
+
+#endif
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+ (defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)
+#ifdef CONFIG_SUITEB
+static int RSA_bits(const RSA *r)
+{
+ return BN_num_bits(r->n);
+}
+#endif /* CONFIG_SUITEB */
+
+
+static const unsigned char * ASN1_STRING_get0_data(const ASN1_STRING *x)
+{
+ return ASN1_STRING_data((ASN1_STRING *) x);
+}
+#endif
+
+#ifdef ANDROID
+#include <openssl/pem.h>
+#include <keystore/keystore_get.h>
+
+static BIO * BIO_from_keystore(const char *key)
+{
+ BIO *bio = NULL;
+ uint8_t *value = NULL;
+ int length = keystore_get(key, strlen(key), &value);
+ if (length != -1 && (bio = BIO_new(BIO_s_mem())) != NULL)
+ BIO_write(bio, value, length);
+ free(value);
+ return bio;
+}
+
+
+static int tls_add_ca_from_keystore(X509_STORE *ctx, const char *key_alias)
+{
+ BIO *bio = BIO_from_keystore(key_alias);
+ STACK_OF(X509_INFO) *stack = NULL;
+ stack_index_t i;
+
+ if (bio) {
+ stack = PEM_X509_INFO_read_bio(bio, NULL, NULL, NULL);
+ BIO_free(bio);
+ }
+
+ if (!stack) {
+ wpa_printf(MSG_WARNING, "TLS: Failed to parse certificate: %s",
+ key_alias);
+ return -1;
+ }
+
+ for (i = 0; i < sk_X509_INFO_num(stack); ++i) {
+ X509_INFO *info = sk_X509_INFO_value(stack, i);
+
+ if (info->x509)
+ X509_STORE_add_cert(ctx, info->x509);
+ if (info->crl)
+ X509_STORE_add_crl(ctx, info->crl);
+ }
+
+ sk_X509_INFO_pop_free(stack, X509_INFO_free);
+
+ return 0;
+}
+
+
+static int tls_add_ca_from_keystore_encoded(X509_STORE *ctx,
+ const char *encoded_key_alias)
+{
+ int rc = -1;
+ int len = os_strlen(encoded_key_alias);
+ unsigned char *decoded_alias;
+
+ if (len & 1) {
+ wpa_printf(MSG_WARNING, "Invalid hex-encoded alias: %s",
+ encoded_key_alias);
+ return rc;
+ }
+
+ decoded_alias = os_malloc(len / 2 + 1);
+ if (decoded_alias) {
+ if (!hexstr2bin(encoded_key_alias, decoded_alias, len / 2)) {
+ decoded_alias[len / 2] = '\0';
+ rc = tls_add_ca_from_keystore(
+ ctx, (const char *) decoded_alias);
+ }
+ os_free(decoded_alias);
+ }
+
+ return rc;
+}
+
+#endif /* ANDROID */
+
+static int tls_openssl_ref_count = 0;
+static int tls_ex_idx_session = -1;
+
+struct tls_context {
+ void (*event_cb)(void *ctx, enum tls_event ev,
+ union tls_event_data *data);
+ void *cb_ctx;
+ int cert_in_cb;
+ char *ocsp_stapling_response;
+};
+
+static struct tls_context *tls_global = NULL;
+
+
+struct tls_data {
+ SSL_CTX *ssl;
+ unsigned int tls_session_lifetime;
+ int check_crl;
+ int check_crl_strict;
+ char *ca_cert;
+ unsigned int crl_reload_interval;
+ struct os_reltime crl_last_reload;
+ char *check_cert_subject;
+};
+
+struct tls_connection {
+ struct tls_context *context;
+ struct tls_data *data;
+ SSL_CTX *ssl_ctx;
+ SSL *ssl;
+ BIO *ssl_in, *ssl_out;
+#if defined(ANDROID) || !defined(OPENSSL_NO_ENGINE)
+ ENGINE *engine; /* functional reference to the engine */
+ EVP_PKEY *private_key; /* the private key if using engine */
+#endif /* OPENSSL_NO_ENGINE */
+ char *subject_match, *altsubject_match, *suffix_match, *domain_match;
+ char *check_cert_subject;
+ int read_alerts, write_alerts, failed;
+
+ tls_session_ticket_cb session_ticket_cb;
+ void *session_ticket_cb_ctx;
+
+ /* SessionTicket received from OpenSSL hello_extension_cb (server) */
+ u8 *session_ticket;
+ size_t session_ticket_len;
+
+ unsigned int ca_cert_verify:1;
+ unsigned int cert_probe:1;
+ unsigned int server_cert_only:1;
+ unsigned int invalid_hb_used:1;
+ unsigned int success_data:1;
+ unsigned int client_hello_generated:1;
+ unsigned int server:1;
+
+ u8 srv_cert_hash[32];
+
+ unsigned int flags;
+
+ X509 *peer_cert;
+ X509 *peer_issuer;
+ X509 *peer_issuer_issuer;
+
+ unsigned char client_random[SSL3_RANDOM_SIZE];
+ unsigned char server_random[SSL3_RANDOM_SIZE];
+
+ u16 cipher_suite;
+ int server_dh_prime_len;
+};
+
+
+static struct tls_context * tls_context_new(const struct tls_config *conf)
+{
+ struct tls_context *context = os_zalloc(sizeof(*context));
+ if (context == NULL)
+ return NULL;
+ if (conf) {
+ context->event_cb = conf->event_cb;
+ context->cb_ctx = conf->cb_ctx;
+ context->cert_in_cb = conf->cert_in_cb;
+ }
+ return context;
+}
+
+
+#ifdef CONFIG_NO_STDOUT_DEBUG
+
+static void _tls_show_errors(void)
+{
+ unsigned long err;
+
+ while ((err = ERR_get_error())) {
+ /* Just ignore the errors, since stdout is disabled */
+ }
+}
+#define tls_show_errors(l, f, t) _tls_show_errors()
+
+#else /* CONFIG_NO_STDOUT_DEBUG */
+
+static void tls_show_errors(int level, const char *func, const char *txt)
+{
+ unsigned long err;
+
+ wpa_printf(level, "OpenSSL: %s - %s %s",
+ func, txt, ERR_error_string(ERR_get_error(), NULL));
+
+ while ((err = ERR_get_error())) {
+ wpa_printf(MSG_INFO, "OpenSSL: pending error: %s",
+ ERR_error_string(err, NULL));
+ }
+}
+
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+
+
+static X509_STORE * tls_crl_cert_reload(const char *ca_cert, int check_crl)
+{
+ int flags;
+ X509_STORE *store;
+
+ store = X509_STORE_new();
+ if (!store) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: %s - failed to allocate new certificate store",
+ __func__);
+ return NULL;
+ }
+
+ if (ca_cert && X509_STORE_load_locations(store, ca_cert, NULL) != 1) {
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed to load root certificates");
+ X509_STORE_free(store);
+ return NULL;
+ }
+
+ flags = check_crl ? X509_V_FLAG_CRL_CHECK : 0;
+ if (check_crl == 2)
+ flags |= X509_V_FLAG_CRL_CHECK_ALL;
+
+ X509_STORE_set_flags(store, flags);
+
+ return store;
+}
+
+
+#ifdef CONFIG_NATIVE_WINDOWS
+
+/* Windows CryptoAPI and access to certificate stores */
+#include <wincrypt.h>
+
+#ifdef __MINGW32_VERSION
+/*
+ * MinGW does not yet include all the needed definitions for CryptoAPI, so
+ * define here whatever extra is needed.
+ */
+#define CERT_SYSTEM_STORE_CURRENT_USER (1 << 16)
+#define CERT_STORE_READONLY_FLAG 0x00008000
+#define CERT_STORE_OPEN_EXISTING_FLAG 0x00004000
+
+#endif /* __MINGW32_VERSION */
+
+
+struct cryptoapi_rsa_data {
+ const CERT_CONTEXT *cert;
+ HCRYPTPROV crypt_prov;
+ DWORD key_spec;
+ BOOL free_crypt_prov;
+};
+
+
+static void cryptoapi_error(const char *msg)
+{
+ wpa_printf(MSG_INFO, "CryptoAPI: %s; err=%u",
+ msg, (unsigned int) GetLastError());
+}
+
+
+static int cryptoapi_rsa_pub_enc(int flen, const unsigned char *from,
+ unsigned char *to, RSA *rsa, int padding)
+{
+ wpa_printf(MSG_DEBUG, "%s - not implemented", __func__);
+ return 0;
+}
+
+
+static int cryptoapi_rsa_pub_dec(int flen, const unsigned char *from,
+ unsigned char *to, RSA *rsa, int padding)
+{
+ wpa_printf(MSG_DEBUG, "%s - not implemented", __func__);
+ return 0;
+}
+
+
+static int cryptoapi_rsa_priv_enc(int flen, const unsigned char *from,
+ unsigned char *to, RSA *rsa, int padding)
+{
+ struct cryptoapi_rsa_data *priv =
+ (struct cryptoapi_rsa_data *) rsa->meth->app_data;
+ HCRYPTHASH hash;
+ DWORD hash_size, len, i;
+ unsigned char *buf = NULL;
+ int ret = 0;
+
+ if (priv == NULL) {
+ RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
+ ERR_R_PASSED_NULL_PARAMETER);
+ return 0;
+ }
+
+ if (padding != RSA_PKCS1_PADDING) {
+ RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
+ RSA_R_UNKNOWN_PADDING_TYPE);
+ return 0;
+ }
+
+ if (flen != 16 /* MD5 */ + 20 /* SHA-1 */) {
+ wpa_printf(MSG_INFO, "%s - only MD5-SHA1 hash supported",
+ __func__);
+ RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
+ RSA_R_INVALID_MESSAGE_LENGTH);
+ return 0;
+ }
+
+ if (!CryptCreateHash(priv->crypt_prov, CALG_SSL3_SHAMD5, 0, 0, &hash))
+ {
+ cryptoapi_error("CryptCreateHash failed");
+ return 0;
+ }
+
+ len = sizeof(hash_size);
+ if (!CryptGetHashParam(hash, HP_HASHSIZE, (BYTE *) &hash_size, &len,
+ 0)) {
+ cryptoapi_error("CryptGetHashParam failed");
+ goto err;
+ }
+
+ if ((int) hash_size != flen) {
+ wpa_printf(MSG_INFO, "CryptoAPI: Invalid hash size (%u != %d)",
+ (unsigned) hash_size, flen);
+ RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT,
+ RSA_R_INVALID_MESSAGE_LENGTH);
+ goto err;
+ }
+ if (!CryptSetHashParam(hash, HP_HASHVAL, (BYTE * ) from, 0)) {
+ cryptoapi_error("CryptSetHashParam failed");
+ goto err;
+ }
+
+ len = RSA_size(rsa);
+ buf = os_malloc(len);
+ if (buf == NULL) {
+ RSAerr(RSA_F_RSA_EAY_PRIVATE_ENCRYPT, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!CryptSignHash(hash, priv->key_spec, NULL, 0, buf, &len)) {
+ cryptoapi_error("CryptSignHash failed");
+ goto err;
+ }
+
+ for (i = 0; i < len; i++)
+ to[i] = buf[len - i - 1];
+ ret = len;
+
+err:
+ os_free(buf);
+ CryptDestroyHash(hash);
+
+ return ret;
+}
+
+
+static int cryptoapi_rsa_priv_dec(int flen, const unsigned char *from,
+ unsigned char *to, RSA *rsa, int padding)
+{
+ wpa_printf(MSG_DEBUG, "%s - not implemented", __func__);
+ return 0;
+}
+
+
+static void cryptoapi_free_data(struct cryptoapi_rsa_data *priv)
+{
+ if (priv == NULL)
+ return;
+ if (priv->crypt_prov && priv->free_crypt_prov)
+ CryptReleaseContext(priv->crypt_prov, 0);
+ if (priv->cert)
+ CertFreeCertificateContext(priv->cert);
+ os_free(priv);
+}
+
+
+static int cryptoapi_finish(RSA *rsa)
+{
+ cryptoapi_free_data((struct cryptoapi_rsa_data *) rsa->meth->app_data);
+ os_free((void *) rsa->meth);
+ rsa->meth = NULL;
+ return 1;
+}
+
+
+static const CERT_CONTEXT * cryptoapi_find_cert(const char *name, DWORD store)
+{
+ HCERTSTORE cs;
+ const CERT_CONTEXT *ret = NULL;
+
+ cs = CertOpenStore((LPCSTR) CERT_STORE_PROV_SYSTEM, 0, 0,
+ store | CERT_STORE_OPEN_EXISTING_FLAG |
+ CERT_STORE_READONLY_FLAG, L"MY");
+ if (cs == NULL) {
+ cryptoapi_error("Failed to open 'My system store'");
+ return NULL;
+ }
+
+ if (strncmp(name, "cert://", 7) == 0) {
+ unsigned short wbuf[255];
+ MultiByteToWideChar(CP_ACP, 0, name + 7, -1, wbuf, 255);
+ ret = CertFindCertificateInStore(cs, X509_ASN_ENCODING |
+ PKCS_7_ASN_ENCODING,
+ 0, CERT_FIND_SUBJECT_STR,
+ wbuf, NULL);
+ } else if (strncmp(name, "hash://", 7) == 0) {
+ CRYPT_HASH_BLOB blob;
+ int len;
+ const char *hash = name + 7;
+ unsigned char *buf;
+
+ len = os_strlen(hash) / 2;
+ buf = os_malloc(len);
+ if (buf && hexstr2bin(hash, buf, len) == 0) {
+ blob.cbData = len;
+ blob.pbData = buf;
+ ret = CertFindCertificateInStore(cs,
+ X509_ASN_ENCODING |
+ PKCS_7_ASN_ENCODING,
+ 0, CERT_FIND_HASH,
+ &blob, NULL);
+ }
+ os_free(buf);
+ }
+
+ CertCloseStore(cs, 0);
+
+ return ret;
+}
+
+
+static int tls_cryptoapi_cert(SSL *ssl, const char *name)
+{
+ X509 *cert = NULL;
+ RSA *rsa = NULL, *pub_rsa;
+ struct cryptoapi_rsa_data *priv;
+ RSA_METHOD *rsa_meth;
+
+ if (name == NULL ||
+ (strncmp(name, "cert://", 7) != 0 &&
+ strncmp(name, "hash://", 7) != 0))
+ return -1;
+
+ priv = os_zalloc(sizeof(*priv));
+ rsa_meth = os_zalloc(sizeof(*rsa_meth));
+ if (priv == NULL || rsa_meth == NULL) {
+ wpa_printf(MSG_WARNING, "CryptoAPI: Failed to allocate memory "
+ "for CryptoAPI RSA method");
+ os_free(priv);
+ os_free(rsa_meth);
+ return -1;
+ }
+
+ priv->cert = cryptoapi_find_cert(name, CERT_SYSTEM_STORE_CURRENT_USER);
+ if (priv->cert == NULL) {
+ priv->cert = cryptoapi_find_cert(
+ name, CERT_SYSTEM_STORE_LOCAL_MACHINE);
+ }
+ if (priv->cert == NULL) {
+ wpa_printf(MSG_INFO, "CryptoAPI: Could not find certificate "
+ "'%s'", name);
+ goto err;
+ }
+
+ cert = d2i_X509(NULL,
+ (const unsigned char **) &priv->cert->pbCertEncoded,
+ priv->cert->cbCertEncoded);
+ if (cert == NULL) {
+ wpa_printf(MSG_INFO, "CryptoAPI: Could not process X509 DER "
+ "encoding");
+ goto err;
+ }
+
+ if (!CryptAcquireCertificatePrivateKey(priv->cert,
+ CRYPT_ACQUIRE_COMPARE_KEY_FLAG,
+ NULL, &priv->crypt_prov,
+ &priv->key_spec,
+ &priv->free_crypt_prov)) {
+ cryptoapi_error("Failed to acquire a private key for the "
+ "certificate");
+ goto err;
+ }
+
+ rsa_meth->name = "Microsoft CryptoAPI RSA Method";
+ rsa_meth->rsa_pub_enc = cryptoapi_rsa_pub_enc;
+ rsa_meth->rsa_pub_dec = cryptoapi_rsa_pub_dec;
+ rsa_meth->rsa_priv_enc = cryptoapi_rsa_priv_enc;
+ rsa_meth->rsa_priv_dec = cryptoapi_rsa_priv_dec;
+ rsa_meth->finish = cryptoapi_finish;
+ rsa_meth->flags = RSA_METHOD_FLAG_NO_CHECK;
+ rsa_meth->app_data = (char *) priv;
+
+ rsa = RSA_new();
+ if (rsa == NULL) {
+ SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,
+ ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
+
+ if (!SSL_use_certificate(ssl, cert)) {
+ RSA_free(rsa);
+ rsa = NULL;
+ goto err;
+ }
+ pub_rsa = cert->cert_info->key->pkey->pkey.rsa;
+ X509_free(cert);
+ cert = NULL;
+
+ rsa->n = BN_dup(pub_rsa->n);
+ rsa->e = BN_dup(pub_rsa->e);
+ if (!RSA_set_method(rsa, rsa_meth))
+ goto err;
+
+ if (!SSL_use_RSAPrivateKey(ssl, rsa))
+ goto err;
+ RSA_free(rsa);
+
+ return 0;
+
+err:
+ if (cert)
+ X509_free(cert);
+ if (rsa)
+ RSA_free(rsa);
+ else {
+ os_free(rsa_meth);
+ cryptoapi_free_data(priv);
+ }
+ return -1;
+}
+
+
+static int tls_cryptoapi_ca_cert(SSL_CTX *ssl_ctx, SSL *ssl, const char *name)
+{
+ HCERTSTORE cs;
+ PCCERT_CONTEXT ctx = NULL;
+ X509 *cert;
+ char buf[128];
+ const char *store;
+#ifdef UNICODE
+ WCHAR *wstore;
+#endif /* UNICODE */
+
+ if (name == NULL || strncmp(name, "cert_store://", 13) != 0)
+ return -1;
+
+ store = name + 13;
+#ifdef UNICODE
+ wstore = os_malloc((os_strlen(store) + 1) * sizeof(WCHAR));
+ if (wstore == NULL)
+ return -1;
+ wsprintf(wstore, L"%S", store);
+ cs = CertOpenSystemStore(0, wstore);
+ os_free(wstore);
+#else /* UNICODE */
+ cs = CertOpenSystemStore(0, store);
+#endif /* UNICODE */
+ if (cs == NULL) {
+ wpa_printf(MSG_DEBUG, "%s: failed to open system cert store "
+ "'%s': error=%d", __func__, store,
+ (int) GetLastError());
+ return -1;
+ }
+
+ while ((ctx = CertEnumCertificatesInStore(cs, ctx))) {
+ cert = d2i_X509(NULL,
+ (const unsigned char **) &ctx->pbCertEncoded,
+ ctx->cbCertEncoded);
+ if (cert == NULL) {
+ wpa_printf(MSG_INFO, "CryptoAPI: Could not process "
+ "X509 DER encoding for CA cert");
+ continue;
+ }
+
+ X509_NAME_oneline(X509_get_subject_name(cert), buf,
+ sizeof(buf));
+ wpa_printf(MSG_DEBUG, "OpenSSL: Loaded CA certificate for "
+ "system certificate store: subject='%s'", buf);
+
+ if (!X509_STORE_add_cert(SSL_CTX_get_cert_store(ssl_ctx),
+ cert)) {
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed to add ca_cert to OpenSSL "
+ "certificate store");
+ }
+
+ X509_free(cert);
+ }
+
+ if (!CertCloseStore(cs, 0)) {
+ wpa_printf(MSG_DEBUG, "%s: failed to close system cert store "
+ "'%s': error=%d", __func__, name + 13,
+ (int) GetLastError());
+ }
+
+ return 0;
+}
+
+
+#else /* CONFIG_NATIVE_WINDOWS */
+
+static int tls_cryptoapi_cert(SSL *ssl, const char *name)
+{
+ return -1;
+}
+
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+
+static void ssl_info_cb(const SSL *ssl, int where, int ret)
+{
+ const char *str;
+ int w;
+
+ wpa_printf(MSG_DEBUG, "SSL: (where=0x%x ret=0x%x)", where, ret);
+ w = where & ~SSL_ST_MASK;
+ if (w & SSL_ST_CONNECT)
+ str = "SSL_connect";
+ else if (w & SSL_ST_ACCEPT)
+ str = "SSL_accept";
+ else
+ str = "undefined";
+
+ if (where & SSL_CB_LOOP) {
+ wpa_printf(MSG_DEBUG, "SSL: %s:%s",
+ str, SSL_state_string_long(ssl));
+ } else if (where & SSL_CB_ALERT) {
+ struct tls_connection *conn = SSL_get_app_data((SSL *) ssl);
+ wpa_printf(MSG_INFO, "SSL: SSL3 alert: %s:%s:%s",
+ where & SSL_CB_READ ?
+ "read (remote end reported an error)" :
+ "write (local SSL3 detected an error)",
+ SSL_alert_type_string_long(ret),
+ SSL_alert_desc_string_long(ret));
+ if ((ret >> 8) == SSL3_AL_FATAL) {
+ if (where & SSL_CB_READ)
+ conn->read_alerts++;
+ else
+ conn->write_alerts++;
+ }
+ if (conn->context->event_cb != NULL) {
+ union tls_event_data ev;
+ struct tls_context *context = conn->context;
+ os_memset(&ev, 0, sizeof(ev));
+ ev.alert.is_local = !(where & SSL_CB_READ);
+ ev.alert.type = SSL_alert_type_string_long(ret);
+ ev.alert.description = SSL_alert_desc_string_long(ret);
+ context->event_cb(context->cb_ctx, TLS_ALERT, &ev);
+ }
+ } else if (where & SSL_CB_EXIT && ret <= 0) {
+ wpa_printf(MSG_DEBUG, "SSL: %s:%s in %s",
+ str, ret == 0 ? "failed" : "error",
+ SSL_state_string_long(ssl));
+ }
+}
+
+
+#ifndef OPENSSL_NO_ENGINE
+/**
+ * tls_engine_load_dynamic_generic - load any openssl engine
+ * @pre: an array of commands and values that load an engine initialized
+ * in the engine specific function
+ * @post: an array of commands and values that initialize an already loaded
+ * engine (or %NULL if not required)
+ * @id: the engine id of the engine to load (only required if post is not %NULL
+ *
+ * This function is a generic function that loads any openssl engine.
+ *
+ * Returns: 0 on success, -1 on failure
+ */
+static int tls_engine_load_dynamic_generic(const char *pre[],
+ const char *post[], const char *id)
+{
+ ENGINE *engine;
+ const char *dynamic_id = "dynamic";
+
+ engine = ENGINE_by_id(id);
+ if (engine) {
+ wpa_printf(MSG_DEBUG, "ENGINE: engine '%s' is already "
+ "available", id);
+ /*
+ * If it was auto-loaded by ENGINE_by_id() we might still
+ * need to tell it which PKCS#11 module to use in legacy
+ * (non-p11-kit) environments. Do so now; even if it was
+ * properly initialised before, setting it again will be
+ * harmless.
+ */
+ goto found;
+ }
+ ERR_clear_error();
+
+ engine = ENGINE_by_id(dynamic_id);
+ if (engine == NULL) {
+ wpa_printf(MSG_INFO, "ENGINE: Can't find engine %s [%s]",
+ dynamic_id,
+ ERR_error_string(ERR_get_error(), NULL));
+ return -1;
+ }
+
+ /* Perform the pre commands. This will load the engine. */
+ while (pre && pre[0]) {
+ wpa_printf(MSG_DEBUG, "ENGINE: '%s' '%s'", pre[0], pre[1]);
+ if (ENGINE_ctrl_cmd_string(engine, pre[0], pre[1], 0) == 0) {
+ wpa_printf(MSG_INFO, "ENGINE: ctrl cmd_string failed: "
+ "%s %s [%s]", pre[0], pre[1],
+ ERR_error_string(ERR_get_error(), NULL));
+ ENGINE_free(engine);
+ return -1;
+ }
+ pre += 2;
+ }
+
+ /*
+ * Free the reference to the "dynamic" engine. The loaded engine can
+ * now be looked up using ENGINE_by_id().
+ */
+ ENGINE_free(engine);
+
+ engine = ENGINE_by_id(id);
+ if (engine == NULL) {
+ wpa_printf(MSG_INFO, "ENGINE: Can't find engine %s [%s]",
+ id, ERR_error_string(ERR_get_error(), NULL));
+ return -1;
+ }
+ found:
+ while (post && post[0]) {
+ wpa_printf(MSG_DEBUG, "ENGINE: '%s' '%s'", post[0], post[1]);
+ if (ENGINE_ctrl_cmd_string(engine, post[0], post[1], 0) == 0) {
+ wpa_printf(MSG_DEBUG, "ENGINE: ctrl cmd_string failed:"
+ " %s %s [%s]", post[0], post[1],
+ ERR_error_string(ERR_get_error(), NULL));
+ ENGINE_remove(engine);
+ ENGINE_free(engine);
+ return -1;
+ }
+ post += 2;
+ }
+ ENGINE_free(engine);
+
+ return 0;
+}
+
+
+/**
+ * tls_engine_load_dynamic_pkcs11 - load the pkcs11 engine provided by opensc
+ * @pkcs11_so_path: pksc11_so_path from the configuration
+ * @pcks11_module_path: pkcs11_module_path from the configuration
+ */
+static int tls_engine_load_dynamic_pkcs11(const char *pkcs11_so_path,
+ const char *pkcs11_module_path)
+{
+ char *engine_id = "pkcs11";
+ const char *pre_cmd[] = {
+ "SO_PATH", NULL /* pkcs11_so_path */,
+ "ID", NULL /* engine_id */,
+ "LIST_ADD", "1",
+ /* "NO_VCHECK", "1", */
+ "LOAD", NULL,
+ NULL, NULL
+ };
+ const char *post_cmd[] = {
+ "MODULE_PATH", NULL /* pkcs11_module_path */,
+ NULL, NULL
+ };
+
+ if (!pkcs11_so_path)
+ return 0;
+
+ pre_cmd[1] = pkcs11_so_path;
+ pre_cmd[3] = engine_id;
+ if (pkcs11_module_path)
+ post_cmd[1] = pkcs11_module_path;
+ else
+ post_cmd[0] = NULL;
+
+ wpa_printf(MSG_DEBUG, "ENGINE: Loading pkcs11 Engine from %s",
+ pkcs11_so_path);
+
+ return tls_engine_load_dynamic_generic(pre_cmd, post_cmd, engine_id);
+}
+
+
+/**
+ * tls_engine_load_dynamic_opensc - load the opensc engine provided by opensc
+ * @opensc_so_path: opensc_so_path from the configuration
+ */
+static int tls_engine_load_dynamic_opensc(const char *opensc_so_path)
+{
+ char *engine_id = "opensc";
+ const char *pre_cmd[] = {
+ "SO_PATH", NULL /* opensc_so_path */,
+ "ID", NULL /* engine_id */,
+ "LIST_ADD", "1",
+ "LOAD", NULL,
+ NULL, NULL
+ };
+
+ if (!opensc_so_path)
+ return 0;
+
+ pre_cmd[1] = opensc_so_path;
+ pre_cmd[3] = engine_id;
+
+ wpa_printf(MSG_DEBUG, "ENGINE: Loading OpenSC Engine from %s",
+ opensc_so_path);
+
+ return tls_engine_load_dynamic_generic(pre_cmd, NULL, engine_id);
+}
+#endif /* OPENSSL_NO_ENGINE */
+
+
+static void remove_session_cb(SSL_CTX *ctx, SSL_SESSION *sess)
+{
+ struct wpabuf *buf;
+
+ if (tls_ex_idx_session < 0)
+ return;
+ buf = SSL_SESSION_get_ex_data(sess, tls_ex_idx_session);
+ if (!buf)
+ return;
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Free application session data %p (sess %p)",
+ buf, sess);
+ wpabuf_free(buf);
+
+ SSL_SESSION_set_ex_data(sess, tls_ex_idx_session, NULL);
+}
+
+
+void * tls_init(const struct tls_config *conf)
+{
+ struct tls_data *data;
+ SSL_CTX *ssl;
+ struct tls_context *context;
+ const char *ciphers;
+
+ if (tls_openssl_ref_count == 0) {
+ tls_global = context = tls_context_new(conf);
+ if (context == NULL)
+ return NULL;
+#ifdef CONFIG_FIPS
+#ifdef OPENSSL_FIPS
+ if (conf && conf->fips_mode) {
+ static int fips_enabled = 0;
+
+ if (!fips_enabled && !FIPS_mode_set(1)) {
+ wpa_printf(MSG_ERROR, "Failed to enable FIPS "
+ "mode");
+ ERR_load_crypto_strings();
+ ERR_print_errors_fp(stderr);
+ os_free(tls_global);
+ tls_global = NULL;
+ return NULL;
+ } else {
+ wpa_printf(MSG_INFO, "Running in FIPS mode");
+ fips_enabled = 1;
+ }
+ }
+#else /* OPENSSL_FIPS */
+ if (conf && conf->fips_mode) {
+ wpa_printf(MSG_ERROR, "FIPS mode requested, but not "
+ "supported");
+ os_free(tls_global);
+ tls_global = NULL;
+ return NULL;
+ }
+#endif /* OPENSSL_FIPS */
+#endif /* CONFIG_FIPS */
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+ (defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ SSL_load_error_strings();
+ SSL_library_init();
+#ifndef OPENSSL_NO_SHA256
+ EVP_add_digest(EVP_sha256());
+#endif /* OPENSSL_NO_SHA256 */
+ /* TODO: if /dev/urandom is available, PRNG is seeded
+ * automatically. If this is not the case, random data should
+ * be added here. */
+
+#ifdef PKCS12_FUNCS
+#ifndef OPENSSL_NO_RC2
+ /*
+ * 40-bit RC2 is commonly used in PKCS#12 files, so enable it.
+ * This is enabled by PKCS12_PBE_add() in OpenSSL 0.9.8
+ * versions, but it looks like OpenSSL 1.0.0 does not do that
+ * anymore.
+ */
+ EVP_add_cipher(EVP_rc2_40_cbc());
+#endif /* OPENSSL_NO_RC2 */
+ PKCS12_PBE_add();
+#endif /* PKCS12_FUNCS */
+#endif /* < 1.1.0 */
+ } else {
+ context = tls_context_new(conf);
+ if (context == NULL)
+ return NULL;
+ }
+ tls_openssl_ref_count++;
+
+ data = os_zalloc(sizeof(*data));
+ if (data)
+ ssl = SSL_CTX_new(SSLv23_method());
+ else
+ ssl = NULL;
+ if (ssl == NULL) {
+ tls_openssl_ref_count--;
+ if (context != tls_global)
+ os_free(context);
+ if (tls_openssl_ref_count == 0) {
+ os_free(tls_global);
+ tls_global = NULL;
+ }
+ os_free(data);
+ return NULL;
+ }
+
+#ifndef EAP_SERVER_TLS
+ /* Enable TLSv1.0 by default to allow connecting to legacy
+ * networks since Debian OpenSSL is set to minimum TLSv1.2 and SECLEVEL=2. */
+ SSL_CTX_set_min_proto_version(ssl, TLS1_VERSION);
+#endif
+
+ data->ssl = ssl;
+ if (conf) {
+ data->tls_session_lifetime = conf->tls_session_lifetime;
+ data->crl_reload_interval = conf->crl_reload_interval;
+ }
+
+ SSL_CTX_set_options(ssl, SSL_OP_NO_SSLv2);
+ SSL_CTX_set_options(ssl, SSL_OP_NO_SSLv3);
+
+#ifdef SSL_MODE_NO_AUTO_CHAIN
+ /* Number of deployed use cases assume the default OpenSSL behavior of
+ * auto chaining the local certificate is in use. BoringSSL removed this
+ * functionality by default, so we need to restore it here to avoid
+ * breaking existing use cases. */
+ SSL_CTX_clear_mode(ssl, SSL_MODE_NO_AUTO_CHAIN);
+#endif /* SSL_MODE_NO_AUTO_CHAIN */
+
+ SSL_CTX_set_info_callback(ssl, ssl_info_cb);
+ SSL_CTX_set_app_data(ssl, context);
+ if (data->tls_session_lifetime > 0) {
+ SSL_CTX_set_quiet_shutdown(ssl, 1);
+ /*
+ * Set default context here. In practice, this will be replaced
+ * by the per-EAP method context in tls_connection_set_verify().
+ */
+ SSL_CTX_set_session_id_context(ssl, (u8 *) "hostapd", 7);
+ SSL_CTX_set_session_cache_mode(ssl, SSL_SESS_CACHE_SERVER);
+ SSL_CTX_set_timeout(ssl, data->tls_session_lifetime);
+ SSL_CTX_sess_set_remove_cb(ssl, remove_session_cb);
+ } else {
+ SSL_CTX_set_session_cache_mode(ssl, SSL_SESS_CACHE_OFF);
+ }
+
+ if (tls_ex_idx_session < 0) {
+ tls_ex_idx_session = SSL_SESSION_get_ex_new_index(
+ 0, NULL, NULL, NULL, NULL);
+ if (tls_ex_idx_session < 0) {
+ tls_deinit(data);
+ return NULL;
+ }
+ }
+
+#ifndef OPENSSL_NO_ENGINE
+ wpa_printf(MSG_DEBUG, "ENGINE: Loading builtin engines");
+ ENGINE_load_builtin_engines();
+
+ if (conf &&
+ (conf->opensc_engine_path || conf->pkcs11_engine_path ||
+ conf->pkcs11_module_path)) {
+ if (tls_engine_load_dynamic_opensc(conf->opensc_engine_path) ||
+ tls_engine_load_dynamic_pkcs11(conf->pkcs11_engine_path,
+ conf->pkcs11_module_path)) {
+ tls_deinit(data);
+ return NULL;
+ }
+ }
+#endif /* OPENSSL_NO_ENGINE */
+
+ if (conf && conf->openssl_ciphers)
+ ciphers = conf->openssl_ciphers;
+ else
+ ciphers = TLS_DEFAULT_CIPHERS;
+ if (SSL_CTX_set_cipher_list(ssl, ciphers) != 1) {
+ wpa_printf(MSG_ERROR,
+ "OpenSSL: Failed to set cipher string '%s'",
+ ciphers);
+ tls_deinit(data);
+ return NULL;
+ }
+
+ return data;
+}
+
+
+void tls_deinit(void *ssl_ctx)
+{
+ struct tls_data *data = ssl_ctx;
+ SSL_CTX *ssl = data->ssl;
+ struct tls_context *context = SSL_CTX_get_app_data(ssl);
+ if (context != tls_global)
+ os_free(context);
+ if (data->tls_session_lifetime > 0)
+ SSL_CTX_flush_sessions(ssl, 0);
+ os_free(data->ca_cert);
+ SSL_CTX_free(ssl);
+
+ tls_openssl_ref_count--;
+ if (tls_openssl_ref_count == 0) {
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+ (defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)
+#ifndef OPENSSL_NO_ENGINE
+ ENGINE_cleanup();
+#endif /* OPENSSL_NO_ENGINE */
+ CRYPTO_cleanup_all_ex_data();
+ ERR_remove_thread_state(NULL);
+ ERR_free_strings();
+ EVP_cleanup();
+#endif /* < 1.1.0 */
+ os_free(tls_global->ocsp_stapling_response);
+ tls_global->ocsp_stapling_response = NULL;
+ os_free(tls_global);
+ tls_global = NULL;
+ }
+
+ os_free(data->check_cert_subject);
+ os_free(data);
+}
+
+
+#ifndef OPENSSL_NO_ENGINE
+
+/* Cryptoki return values */
+#define CKR_PIN_INCORRECT 0x000000a0
+#define CKR_PIN_INVALID 0x000000a1
+#define CKR_PIN_LEN_RANGE 0x000000a2
+
+/* libp11 */
+#define ERR_LIB_PKCS11 ERR_LIB_USER
+
+static int tls_is_pin_error(unsigned int err)
+{
+ return ERR_GET_LIB(err) == ERR_LIB_PKCS11 &&
+ (ERR_GET_REASON(err) == CKR_PIN_INCORRECT ||
+ ERR_GET_REASON(err) == CKR_PIN_INVALID ||
+ ERR_GET_REASON(err) == CKR_PIN_LEN_RANGE);
+}
+
+#endif /* OPENSSL_NO_ENGINE */
+
+
+#ifdef ANDROID
+/* EVP_PKEY_from_keystore comes from system/security/keystore-engine. */
+EVP_PKEY * EVP_PKEY_from_keystore(const char *key_id);
+#endif /* ANDROID */
+
+static int tls_engine_init(struct tls_connection *conn, const char *engine_id,
+ const char *pin, const char *key_id,
+ const char *cert_id, const char *ca_cert_id)
+{
+#if defined(ANDROID) && defined(OPENSSL_IS_BORINGSSL)
+#if !defined(OPENSSL_NO_ENGINE)
+#error "This code depends on OPENSSL_NO_ENGINE being defined by BoringSSL."
+#endif
+ if (!key_id)
+ return TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+ conn->engine = NULL;
+ conn->private_key = EVP_PKEY_from_keystore(key_id);
+ if (!conn->private_key) {
+ wpa_printf(MSG_ERROR,
+ "ENGINE: cannot load private key with id '%s' [%s]",
+ key_id,
+ ERR_error_string(ERR_get_error(), NULL));
+ return TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+ }
+#endif /* ANDROID && OPENSSL_IS_BORINGSSL */
+
+#ifndef OPENSSL_NO_ENGINE
+ int ret = -1;
+ if (engine_id == NULL) {
+ wpa_printf(MSG_ERROR, "ENGINE: Engine ID not set");
+ return -1;
+ }
+
+ ERR_clear_error();
+#ifdef ANDROID
+ ENGINE_load_dynamic();
+#endif
+ conn->engine = ENGINE_by_id(engine_id);
+ if (!conn->engine) {
+ wpa_printf(MSG_ERROR, "ENGINE: engine %s not available [%s]",
+ engine_id, ERR_error_string(ERR_get_error(), NULL));
+ goto err;
+ }
+ if (ENGINE_init(conn->engine) != 1) {
+ wpa_printf(MSG_ERROR, "ENGINE: engine init failed "
+ "(engine: %s) [%s]", engine_id,
+ ERR_error_string(ERR_get_error(), NULL));
+ goto err;
+ }
+ wpa_printf(MSG_DEBUG, "ENGINE: engine initialized");
+
+#ifndef ANDROID
+ if (pin && ENGINE_ctrl_cmd_string(conn->engine, "PIN", pin, 0) == 0) {
+ wpa_printf(MSG_ERROR, "ENGINE: cannot set pin [%s]",
+ ERR_error_string(ERR_get_error(), NULL));
+ goto err;
+ }
+#endif
+ if (key_id) {
+ /*
+ * Ensure that the ENGINE does not attempt to use the OpenSSL
+ * UI system to obtain a PIN, if we didn't provide one.
+ */
+ struct {
+ const void *password;
+ const char *prompt_info;
+ } key_cb = { "", NULL };
+
+ /* load private key first in-case PIN is required for cert */
+ conn->private_key = ENGINE_load_private_key(conn->engine,
+ key_id, NULL,
+ &key_cb);
+ if (!conn->private_key) {
+ unsigned long err = ERR_get_error();
+
+ wpa_printf(MSG_ERROR,
+ "ENGINE: cannot load private key with id '%s' [%s]",
+ key_id,
+ ERR_error_string(err, NULL));
+ if (tls_is_pin_error(err))
+ ret = TLS_SET_PARAMS_ENGINE_PRV_BAD_PIN;
+ else
+ ret = TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+ goto err;
+ }
+ }
+
+ /* handle a certificate and/or CA certificate */
+ if (cert_id || ca_cert_id) {
+ const char *cmd_name = "LOAD_CERT_CTRL";
+
+ /* test if the engine supports a LOAD_CERT_CTRL */
+ if (!ENGINE_ctrl(conn->engine, ENGINE_CTRL_GET_CMD_FROM_NAME,
+ 0, (void *)cmd_name, NULL)) {
+ wpa_printf(MSG_ERROR, "ENGINE: engine does not support"
+ " loading certificates");
+ ret = TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+ goto err;
+ }
+ }
+
+ return 0;
+
+err:
+ if (conn->engine) {
+ ENGINE_free(conn->engine);
+ conn->engine = NULL;
+ }
+
+ if (conn->private_key) {
+ EVP_PKEY_free(conn->private_key);
+ conn->private_key = NULL;
+ }
+
+ return ret;
+#else /* OPENSSL_NO_ENGINE */
+ return 0;
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+static void tls_engine_deinit(struct tls_connection *conn)
+{
+#if defined(ANDROID) || !defined(OPENSSL_NO_ENGINE)
+ wpa_printf(MSG_DEBUG, "ENGINE: engine deinit");
+ if (conn->private_key) {
+ EVP_PKEY_free(conn->private_key);
+ conn->private_key = NULL;
+ }
+ if (conn->engine) {
+#if !defined(OPENSSL_IS_BORINGSSL)
+ ENGINE_finish(conn->engine);
+#endif /* !OPENSSL_IS_BORINGSSL */
+ conn->engine = NULL;
+ }
+#endif /* ANDROID || !OPENSSL_NO_ENGINE */
+}
+
+
+int tls_get_errors(void *ssl_ctx)
+{
+ int count = 0;
+ unsigned long err;
+
+ while ((err = ERR_get_error())) {
+ wpa_printf(MSG_INFO, "TLS - SSL error: %s",
+ ERR_error_string(err, NULL));
+ count++;
+ }
+
+ return count;
+}
+
+
+static const char * openssl_content_type(int content_type)
+{
+ switch (content_type) {
+ case 20:
+ return "change cipher spec";
+ case 21:
+ return "alert";
+ case 22:
+ return "handshake";
+ case 23:
+ return "application data";
+ case 24:
+ return "heartbeat";
+ case 256:
+ return "TLS header info"; /* pseudo content type */
+ case 257:
+ return "inner content type"; /* pseudo content type */
+ default:
+ return "?";
+ }
+}
+
+
+static const char * openssl_handshake_type(int content_type, const u8 *buf,
+ size_t len)
+{
+ if (content_type == 257 && buf && len == 1)
+ return openssl_content_type(buf[0]);
+ if (content_type != 22 || !buf || len == 0)
+ return "";
+ switch (buf[0]) {
+ case 0:
+ return "hello request";
+ case 1:
+ return "client hello";
+ case 2:
+ return "server hello";
+ case 3:
+ return "hello verify request";
+ case 4:
+ return "new session ticket";
+ case 5:
+ return "end of early data";
+ case 6:
+ return "hello retry request";
+ case 8:
+ return "encrypted extensions";
+ case 11:
+ return "certificate";
+ case 12:
+ return "server key exchange";
+ case 13:
+ return "certificate request";
+ case 14:
+ return "server hello done";
+ case 15:
+ return "certificate verify";
+ case 16:
+ return "client key exchange";
+ case 20:
+ return "finished";
+ case 21:
+ return "certificate url";
+ case 22:
+ return "certificate status";
+ case 23:
+ return "supplemental data";
+ case 24:
+ return "key update";
+ case 254:
+ return "message hash";
+ default:
+ return "?";
+ }
+}
+
+
+#ifdef CONFIG_SUITEB
+
+static void check_server_hello(struct tls_connection *conn,
+ const u8 *pos, const u8 *end)
+{
+ size_t payload_len, id_len;
+
+ /*
+ * Parse ServerHello to get the selected cipher suite since OpenSSL does
+ * not make it cleanly available during handshake and we need to know
+ * whether DHE was selected.
+ */
+
+ if (end - pos < 3)
+ return;
+ payload_len = WPA_GET_BE24(pos);
+ pos += 3;
+
+ if ((size_t) (end - pos) < payload_len)
+ return;
+ end = pos + payload_len;
+
+ /* Skip Version and Random */
+ if (end - pos < 2 + SSL3_RANDOM_SIZE)
+ return;
+ pos += 2 + SSL3_RANDOM_SIZE;
+
+ /* Skip Session ID */
+ if (end - pos < 1)
+ return;
+ id_len = *pos++;
+ if ((size_t) (end - pos) < id_len)
+ return;
+ pos += id_len;
+
+ if (end - pos < 2)
+ return;
+ conn->cipher_suite = WPA_GET_BE16(pos);
+ wpa_printf(MSG_DEBUG, "OpenSSL: Server selected cipher suite 0x%x",
+ conn->cipher_suite);
+}
+
+
+static void check_server_key_exchange(SSL *ssl, struct tls_connection *conn,
+ const u8 *pos, const u8 *end)
+{
+ size_t payload_len;
+ u16 dh_len;
+ BIGNUM *p;
+ int bits;
+
+ if (!(conn->flags & TLS_CONN_SUITEB))
+ return;
+
+ /* DHE is enabled only with DHE-RSA-AES256-GCM-SHA384 */
+ if (conn->cipher_suite != 0x9f)
+ return;
+
+ if (end - pos < 3)
+ return;
+ payload_len = WPA_GET_BE24(pos);
+ pos += 3;
+
+ if ((size_t) (end - pos) < payload_len)
+ return;
+ end = pos + payload_len;
+
+ if (end - pos < 2)
+ return;
+ dh_len = WPA_GET_BE16(pos);
+ pos += 2;
+
+ if ((size_t) (end - pos) < dh_len)
+ return;
+ p = BN_bin2bn(pos, dh_len, NULL);
+ if (!p)
+ return;
+
+ bits = BN_num_bits(p);
+ BN_free(p);
+
+ conn->server_dh_prime_len = bits;
+ wpa_printf(MSG_DEBUG, "OpenSSL: Server DH prime length: %d bits",
+ conn->server_dh_prime_len);
+}
+
+#endif /* CONFIG_SUITEB */
+
+
+static void tls_msg_cb(int write_p, int version, int content_type,
+ const void *buf, size_t len, SSL *ssl, void *arg)
+{
+ struct tls_connection *conn = arg;
+ const u8 *pos = buf;
+
+ if (write_p == 2) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: session ver=0x%x content_type=%d",
+ version, content_type);
+ wpa_hexdump_key(MSG_MSGDUMP, "OpenSSL: Data", buf, len);
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s ver=0x%x content_type=%d (%s/%s)",
+ write_p ? "TX" : "RX", version, content_type,
+ openssl_content_type(content_type),
+ openssl_handshake_type(content_type, buf, len));
+ wpa_hexdump_key(MSG_MSGDUMP, "OpenSSL: Message", buf, len);
+ if (content_type == 24 && len >= 3 && pos[0] == 1) {
+ size_t payload_len = WPA_GET_BE16(pos + 1);
+ if (payload_len + 3 > len) {
+ wpa_printf(MSG_ERROR, "OpenSSL: Heartbeat attack detected");
+ conn->invalid_hb_used = 1;
+ }
+ }
+
+#ifdef CONFIG_SUITEB
+ /*
+ * Need to parse these handshake messages to be able to check DH prime
+ * length since OpenSSL does not expose the new cipher suite and DH
+ * parameters during handshake (e.g., for cert_cb() callback).
+ */
+ if (content_type == 22 && pos && len > 0 && pos[0] == 2)
+ check_server_hello(conn, pos + 1, pos + len);
+ if (content_type == 22 && pos && len > 0 && pos[0] == 12)
+ check_server_key_exchange(ssl, conn, pos + 1, pos + len);
+#endif /* CONFIG_SUITEB */
+}
+
+
+struct tls_connection * tls_connection_init(void *ssl_ctx)
+{
+ struct tls_data *data = ssl_ctx;
+ SSL_CTX *ssl = data->ssl;
+ struct tls_connection *conn;
+ long options;
+ X509_STORE *new_cert_store;
+ struct os_reltime now;
+ struct tls_context *context = SSL_CTX_get_app_data(ssl);
+
+ /* Replace X509 store if it is time to update CRL. */
+ if (data->crl_reload_interval > 0 && os_get_reltime(&now) == 0 &&
+ os_reltime_expired(&now, &data->crl_last_reload,
+ data->crl_reload_interval)) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Flushing X509 store with ca_cert file");
+ new_cert_store = tls_crl_cert_reload(data->ca_cert,
+ data->check_crl);
+ if (!new_cert_store) {
+ wpa_printf(MSG_ERROR,
+ "OpenSSL: Error replacing X509 store with ca_cert file");
+ } else {
+ /* Replace old store */
+ SSL_CTX_set_cert_store(ssl, new_cert_store);
+ data->crl_last_reload = now;
+ }
+ }
+
+ conn = os_zalloc(sizeof(*conn));
+ if (conn == NULL)
+ return NULL;
+ conn->data = data;
+ conn->ssl_ctx = ssl;
+ conn->ssl = SSL_new(ssl);
+ if (conn->ssl == NULL) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to initialize new SSL connection");
+ os_free(conn);
+ return NULL;
+ }
+
+ conn->context = context;
+ SSL_set_app_data(conn->ssl, conn);
+ SSL_set_msg_callback(conn->ssl, tls_msg_cb);
+ SSL_set_msg_callback_arg(conn->ssl, conn);
+ options = SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
+ SSL_OP_SINGLE_DH_USE;
+#ifdef SSL_OP_NO_COMPRESSION
+ options |= SSL_OP_NO_COMPRESSION;
+#endif /* SSL_OP_NO_COMPRESSION */
+ SSL_set_options(conn->ssl, options);
+#ifdef SSL_OP_ENABLE_MIDDLEBOX_COMPAT
+ /* Hopefully there is no need for middlebox compatibility mechanisms
+ * when going through EAP authentication. */
+ SSL_clear_options(conn->ssl, SSL_OP_ENABLE_MIDDLEBOX_COMPAT);
+#endif
+
+ conn->ssl_in = BIO_new(BIO_s_mem());
+ if (!conn->ssl_in) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to create a new BIO for ssl_in");
+ SSL_free(conn->ssl);
+ os_free(conn);
+ return NULL;
+ }
+
+ conn->ssl_out = BIO_new(BIO_s_mem());
+ if (!conn->ssl_out) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to create a new BIO for ssl_out");
+ SSL_free(conn->ssl);
+ BIO_free(conn->ssl_in);
+ os_free(conn);
+ return NULL;
+ }
+
+ SSL_set_bio(conn->ssl, conn->ssl_in, conn->ssl_out);
+
+ return conn;
+}
+
+
+void tls_connection_deinit(void *ssl_ctx, struct tls_connection *conn)
+{
+ if (conn == NULL)
+ return;
+ if (conn->success_data) {
+ /*
+ * Make sure ssl_clear_bad_session() does not remove this
+ * session.
+ */
+ SSL_set_quiet_shutdown(conn->ssl, 1);
+ SSL_shutdown(conn->ssl);
+ }
+ SSL_free(conn->ssl);
+ tls_engine_deinit(conn);
+ os_free(conn->subject_match);
+ os_free(conn->altsubject_match);
+ os_free(conn->suffix_match);
+ os_free(conn->domain_match);
+ os_free(conn->check_cert_subject);
+ os_free(conn->session_ticket);
+ os_free(conn);
+}
+
+
+int tls_connection_established(void *ssl_ctx, struct tls_connection *conn)
+{
+ return conn ? SSL_is_init_finished(conn->ssl) : 0;
+}
+
+
+char * tls_connection_peer_serial_num(void *tls_ctx,
+ struct tls_connection *conn)
+{
+ ASN1_INTEGER *ser;
+ char *serial_num;
+ size_t len;
+
+ if (!conn->peer_cert)
+ return NULL;
+
+ ser = X509_get_serialNumber(conn->peer_cert);
+ if (!ser)
+ return NULL;
+
+ len = ASN1_STRING_length(ser) * 2 + 1;
+ serial_num = os_malloc(len);
+ if (!serial_num)
+ return NULL;
+ wpa_snprintf_hex_uppercase(serial_num, len,
+ ASN1_STRING_get0_data(ser),
+ ASN1_STRING_length(ser));
+ return serial_num;
+}
+
+
+int tls_connection_shutdown(void *ssl_ctx, struct tls_connection *conn)
+{
+ if (conn == NULL)
+ return -1;
+
+ /* Shutdown previous TLS connection without notifying the peer
+ * because the connection was already terminated in practice
+ * and "close notify" shutdown alert would confuse AS. */
+ SSL_set_quiet_shutdown(conn->ssl, 1);
+ SSL_shutdown(conn->ssl);
+ return SSL_clear(conn->ssl) == 1 ? 0 : -1;
+}
+
+
+static int tls_match_altsubject_component(X509 *cert, int type,
+ const char *value, size_t len)
+{
+ GENERAL_NAME *gen;
+ void *ext;
+ int found = 0;
+ stack_index_t i;
+
+ ext = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL);
+
+ for (i = 0; ext && i < sk_GENERAL_NAME_num(ext); i++) {
+ gen = sk_GENERAL_NAME_value(ext, i);
+ if (gen->type != type)
+ continue;
+ if (os_strlen((char *) gen->d.ia5->data) == len &&
+ os_memcmp(value, gen->d.ia5->data, len) == 0)
+ found++;
+ }
+
+ sk_GENERAL_NAME_pop_free(ext, GENERAL_NAME_free);
+
+ return found;
+}
+
+
+static int tls_match_altsubject(X509 *cert, const char *match)
+{
+ int type;
+ const char *pos, *end;
+ size_t len;
+
+ pos = match;
+ do {
+ if (os_strncmp(pos, "EMAIL:", 6) == 0) {
+ type = GEN_EMAIL;
+ pos += 6;
+ } else if (os_strncmp(pos, "DNS:", 4) == 0) {
+ type = GEN_DNS;
+ pos += 4;
+ } else if (os_strncmp(pos, "URI:", 4) == 0) {
+ type = GEN_URI;
+ pos += 4;
+ } else {
+ wpa_printf(MSG_INFO, "TLS: Invalid altSubjectName "
+ "match '%s'", pos);
+ return 0;
+ }
+ end = os_strchr(pos, ';');
+ while (end) {
+ if (os_strncmp(end + 1, "EMAIL:", 6) == 0 ||
+ os_strncmp(end + 1, "DNS:", 4) == 0 ||
+ os_strncmp(end + 1, "URI:", 4) == 0)
+ break;
+ end = os_strchr(end + 1, ';');
+ }
+ if (end)
+ len = end - pos;
+ else
+ len = os_strlen(pos);
+ if (tls_match_altsubject_component(cert, type, pos, len) > 0)
+ return 1;
+ pos = end + 1;
+ } while (end);
+
+ return 0;
+}
+
+
+#ifndef CONFIG_NATIVE_WINDOWS
+static int domain_suffix_match(const u8 *val, size_t len, const char *match,
+ size_t match_len, int full)
+{
+ size_t i;
+
+ /* Check for embedded nuls that could mess up suffix matching */
+ for (i = 0; i < len; i++) {
+ if (val[i] == '\0') {
+ wpa_printf(MSG_DEBUG, "TLS: Embedded null in a string - reject");
+ return 0;
+ }
+ }
+
+ if (match_len > len || (full && match_len != len))
+ return 0;
+
+ if (os_strncasecmp((const char *) val + len - match_len, match,
+ match_len) != 0)
+ return 0; /* no match */
+
+ if (match_len == len)
+ return 1; /* exact match */
+
+ if (val[len - match_len - 1] == '.')
+ return 1; /* full label match completes suffix match */
+
+ wpa_printf(MSG_DEBUG, "TLS: Reject due to incomplete label match");
+ return 0;
+}
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+
+struct tls_dn_field_order_cnt {
+ u8 cn;
+ u8 c;
+ u8 l;
+ u8 st;
+ u8 o;
+ u8 ou;
+ u8 email;
+};
+
+
+static int get_dn_field_index(const struct tls_dn_field_order_cnt *dn_cnt,
+ int nid)
+{
+ switch (nid) {
+ case NID_commonName:
+ return dn_cnt->cn;
+ case NID_countryName:
+ return dn_cnt->c;
+ case NID_localityName:
+ return dn_cnt->l;
+ case NID_stateOrProvinceName:
+ return dn_cnt->st;
+ case NID_organizationName:
+ return dn_cnt->o;
+ case NID_organizationalUnitName:
+ return dn_cnt->ou;
+ case NID_pkcs9_emailAddress:
+ return dn_cnt->email;
+ default:
+ wpa_printf(MSG_ERROR,
+ "TLS: Unknown NID '%d' in check_cert_subject",
+ nid);
+ return -1;
+ }
+}
+
+
+/**
+ * match_dn_field - Match configuration DN field against Certificate DN field
+ * @cert: Certificate
+ * @nid: NID of DN field
+ * @field: Field name
+ * @value DN field value which is passed from configuration
+ * e.g., if configuration have C=US and this argument will point to US.
+ * @dn_cnt: DN matching context
+ * Returns: 1 on success and 0 on failure
+ */
+static int match_dn_field(const X509 *cert, int nid, const char *field,
+ const char *value,
+ const struct tls_dn_field_order_cnt *dn_cnt)
+{
+ int i, ret = 0, len, config_dn_field_index, match_index = 0;
+ X509_NAME *name;
+
+ len = os_strlen(value);
+ name = X509_get_subject_name((X509 *) cert);
+
+ /* Assign incremented cnt for every field of DN to check DN field in
+ * right order */
+ config_dn_field_index = get_dn_field_index(dn_cnt, nid);
+ if (config_dn_field_index < 0)
+ return 0;
+
+ /* Fetch value based on NID */
+ for (i = -1; (i = X509_NAME_get_index_by_NID(name, nid, i)) > -1;) {
+ X509_NAME_ENTRY *e;
+ ASN1_STRING *cn;
+
+ e = X509_NAME_get_entry(name, i);
+ if (!e)
+ continue;
+
+ cn = X509_NAME_ENTRY_get_data(e);
+ if (!cn)
+ continue;
+
+ match_index++;
+
+ /* check for more than one DN field with same name */
+ if (match_index != config_dn_field_index)
+ continue;
+
+ /* Check wildcard at the right end side */
+ /* E.g., if OU=develop* mentioned in configuration, allow 'OU'
+ * of the subject in the client certificate to start with
+ * 'develop' */
+ if (len > 0 && value[len - 1] == '*') {
+ /* Compare actual certificate DN field value with
+ * configuration DN field value up to the specified
+ * length. */
+ ret = ASN1_STRING_length(cn) >= len - 1 &&
+ os_memcmp(ASN1_STRING_get0_data(cn), value,
+ len - 1) == 0;
+ } else {
+ /* Compare actual certificate DN field value with
+ * configuration DN field value */
+ ret = ASN1_STRING_length(cn) == len &&
+ os_memcmp(ASN1_STRING_get0_data(cn), value,
+ len) == 0;
+ }
+ if (!ret) {
+ wpa_printf(MSG_ERROR,
+ "OpenSSL: Failed to match %s '%s' with certificate DN field value '%s'",
+ field, value, ASN1_STRING_get0_data(cn));
+ }
+ break;
+ }
+
+ return ret;
+}
+
+
+/**
+ * get_value_from_field - Get value from DN field
+ * @cert: Certificate
+ * @field_str: DN field string which is passed from configuration file (e.g.,
+ * C=US)
+ * @dn_cnt: DN matching context
+ * Returns: 1 on success and 0 on failure
+ */
+static int get_value_from_field(const X509 *cert, char *field_str,
+ struct tls_dn_field_order_cnt *dn_cnt)
+{
+ int nid;
+ char *context = NULL, *name, *value;
+
+ if (os_strcmp(field_str, "*") == 0)
+ return 1; /* wildcard matches everything */
+
+ name = str_token(field_str, "=", &context);
+ if (!name)
+ return 0;
+
+ /* Compare all configured DN fields and assign nid based on that to
+ * fetch correct value from certificate subject */
+ if (os_strcmp(name, "CN") == 0) {
+ nid = NID_commonName;
+ dn_cnt->cn++;
+ } else if(os_strcmp(name, "C") == 0) {
+ nid = NID_countryName;
+ dn_cnt->c++;
+ } else if (os_strcmp(name, "L") == 0) {
+ nid = NID_localityName;
+ dn_cnt->l++;
+ } else if (os_strcmp(name, "ST") == 0) {
+ nid = NID_stateOrProvinceName;
+ dn_cnt->st++;
+ } else if (os_strcmp(name, "O") == 0) {
+ nid = NID_organizationName;
+ dn_cnt->o++;
+ } else if (os_strcmp(name, "OU") == 0) {
+ nid = NID_organizationalUnitName;
+ dn_cnt->ou++;
+ } else if (os_strcmp(name, "emailAddress") == 0) {
+ nid = NID_pkcs9_emailAddress;
+ dn_cnt->email++;
+ } else {
+ wpa_printf(MSG_ERROR,
+ "TLS: Unknown field '%s' in check_cert_subject", name);
+ return 0;
+ }
+
+ value = str_token(field_str, "=", &context);
+ if (!value) {
+ wpa_printf(MSG_ERROR,
+ "TLS: Distinguished Name field '%s' value is not defined in check_cert_subject",
+ name);
+ return 0;
+ }
+
+ return match_dn_field(cert, nid, name, value, dn_cnt);
+}
+
+
+/**
+ * tls_match_dn_field - Match subject DN field with check_cert_subject
+ * @cert: Certificate
+ * @match: check_cert_subject string
+ * Returns: Return 1 on success and 0 on failure
+*/
+static int tls_match_dn_field(X509 *cert, const char *match)
+{
+ const char *token, *last = NULL;
+ char field[256];
+ struct tls_dn_field_order_cnt dn_cnt;
+
+ os_memset(&dn_cnt, 0, sizeof(dn_cnt));
+
+ /* Maximum length of each DN field is 255 characters */
+
+ /* Process each '/' delimited field */
+ while ((token = cstr_token(match, "/", &last))) {
+ if (last - token >= (int) sizeof(field)) {
+ wpa_printf(MSG_ERROR,
+ "OpenSSL: Too long DN matching field value in '%s'",
+ match);
+ return 0;
+ }
+ os_memcpy(field, token, last - token);
+ field[last - token] = '\0';
+
+ if (!get_value_from_field(cert, field, &dn_cnt)) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: No match for DN '%s'",
+ field);
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+
+#ifndef CONFIG_NATIVE_WINDOWS
+static int tls_match_suffix_helper(X509 *cert, const char *match,
+ size_t match_len, int full)
+{
+ GENERAL_NAME *gen;
+ void *ext;
+ int i;
+ stack_index_t j;
+ int dns_name = 0;
+ X509_NAME *name;
+
+ wpa_printf(MSG_DEBUG, "TLS: Match domain against %s%s",
+ full ? "": "suffix ", match);
+
+ ext = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL);
+
+ for (j = 0; ext && j < sk_GENERAL_NAME_num(ext); j++) {
+ gen = sk_GENERAL_NAME_value(ext, j);
+ if (gen->type != GEN_DNS)
+ continue;
+ dns_name++;
+ wpa_hexdump_ascii(MSG_DEBUG, "TLS: Certificate dNSName",
+ gen->d.dNSName->data,
+ gen->d.dNSName->length);
+ if (domain_suffix_match(gen->d.dNSName->data,
+ gen->d.dNSName->length,
+ match, match_len, full) == 1) {
+ wpa_printf(MSG_DEBUG, "TLS: %s in dNSName found",
+ full ? "Match" : "Suffix match");
+ sk_GENERAL_NAME_pop_free(ext, GENERAL_NAME_free);
+ return 1;
+ }
+ }
+ sk_GENERAL_NAME_pop_free(ext, GENERAL_NAME_free);
+
+ if (dns_name) {
+ wpa_printf(MSG_DEBUG, "TLS: None of the dNSName(s) matched");
+ return 0;
+ }
+
+ name = X509_get_subject_name(cert);
+ i = -1;
+ for (;;) {
+ X509_NAME_ENTRY *e;
+ ASN1_STRING *cn;
+
+ i = X509_NAME_get_index_by_NID(name, NID_commonName, i);
+ if (i == -1)
+ break;
+ e = X509_NAME_get_entry(name, i);
+ if (e == NULL)
+ continue;
+ cn = X509_NAME_ENTRY_get_data(e);
+ if (cn == NULL)
+ continue;
+ wpa_hexdump_ascii(MSG_DEBUG, "TLS: Certificate commonName",
+ cn->data, cn->length);
+ if (domain_suffix_match(cn->data, cn->length,
+ match, match_len, full) == 1) {
+ wpa_printf(MSG_DEBUG, "TLS: %s in commonName found",
+ full ? "Match" : "Suffix match");
+ return 1;
+ }
+ }
+
+ wpa_printf(MSG_DEBUG, "TLS: No CommonName %smatch found",
+ full ? "": "suffix ");
+ return 0;
+}
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+
+static int tls_match_suffix(X509 *cert, const char *match, int full)
+{
+#ifdef CONFIG_NATIVE_WINDOWS
+ /* wincrypt.h has conflicting X509_NAME definition */
+ return -1;
+#else /* CONFIG_NATIVE_WINDOWS */
+ const char *token, *last = NULL;
+
+ /* Process each match alternative separately until a match is found */
+ while ((token = cstr_token(match, ";", &last))) {
+ if (tls_match_suffix_helper(cert, token, last - token, full))
+ return 1;
+ }
+
+ return 0;
+#endif /* CONFIG_NATIVE_WINDOWS */
+}
+
+
+static enum tls_fail_reason openssl_tls_fail_reason(int err)
+{
+ switch (err) {
+ case X509_V_ERR_CERT_REVOKED:
+ return TLS_FAIL_REVOKED;
+ case X509_V_ERR_CERT_NOT_YET_VALID:
+ case X509_V_ERR_CRL_NOT_YET_VALID:
+ return TLS_FAIL_NOT_YET_VALID;
+ case X509_V_ERR_CERT_HAS_EXPIRED:
+ case X509_V_ERR_CRL_HAS_EXPIRED:
+ return TLS_FAIL_EXPIRED;
+ case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
+ case X509_V_ERR_UNABLE_TO_GET_CRL:
+ case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
+ case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
+ case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
+ case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
+ case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
+ case X509_V_ERR_CERT_CHAIN_TOO_LONG:
+ case X509_V_ERR_PATH_LENGTH_EXCEEDED:
+ case X509_V_ERR_INVALID_CA:
+ return TLS_FAIL_UNTRUSTED;
+ case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
+ case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
+ case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
+ case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
+ case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
+ case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
+ case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
+ case X509_V_ERR_CERT_UNTRUSTED:
+ case X509_V_ERR_CERT_REJECTED:
+ return TLS_FAIL_BAD_CERTIFICATE;
+ default:
+ return TLS_FAIL_UNSPECIFIED;
+ }
+}
+
+
+static struct wpabuf * get_x509_cert(X509 *cert)
+{
+ struct wpabuf *buf;
+ u8 *tmp;
+
+ int cert_len = i2d_X509(cert, NULL);
+ if (cert_len <= 0)
+ return NULL;
+
+ buf = wpabuf_alloc(cert_len);
+ if (buf == NULL)
+ return NULL;
+
+ tmp = wpabuf_put(buf, cert_len);
+ i2d_X509(cert, &tmp);
+ return buf;
+}
+
+
+static void openssl_tls_fail_event(struct tls_connection *conn,
+ X509 *err_cert, int err, int depth,
+ const char *subject, const char *err_str,
+ enum tls_fail_reason reason)
+{
+ union tls_event_data ev;
+ struct wpabuf *cert = NULL;
+ struct tls_context *context = conn->context;
+
+ if (context->event_cb == NULL)
+ return;
+
+ cert = get_x509_cert(err_cert);
+ os_memset(&ev, 0, sizeof(ev));
+ ev.cert_fail.reason = reason != TLS_FAIL_UNSPECIFIED ?
+ reason : openssl_tls_fail_reason(err);
+ ev.cert_fail.depth = depth;
+ ev.cert_fail.subject = subject;
+ ev.cert_fail.reason_txt = err_str;
+ ev.cert_fail.cert = cert;
+ context->event_cb(context->cb_ctx, TLS_CERT_CHAIN_FAILURE, &ev);
+ wpabuf_free(cert);
+}
+
+
+static int openssl_cert_tod(X509 *cert)
+{
+ CERTIFICATEPOLICIES *ext;
+ stack_index_t i;
+ char buf[100];
+ int res;
+ int tod = 0;
+
+ ext = X509_get_ext_d2i(cert, NID_certificate_policies, NULL, NULL);
+ if (!ext)
+ return 0;
+
+ for (i = 0; i < sk_POLICYINFO_num(ext); i++) {
+ POLICYINFO *policy;
+
+ policy = sk_POLICYINFO_value(ext, i);
+ res = OBJ_obj2txt(buf, sizeof(buf), policy->policyid, 0);
+ if (res < 0 || (size_t) res >= sizeof(buf))
+ continue;
+ wpa_printf(MSG_DEBUG, "OpenSSL: Certificate Policy %s", buf);
+ if (os_strcmp(buf, "1.3.6.1.4.1.40808.1.3.1") == 0)
+ tod = 1;
+ }
+
+ return tod;
+}
+
+
+static void openssl_tls_cert_event(struct tls_connection *conn,
+ X509 *err_cert, int depth,
+ const char *subject)
+{
+ struct wpabuf *cert = NULL;
+ union tls_event_data ev;
+ struct tls_context *context = conn->context;
+ char *altsubject[TLS_MAX_ALT_SUBJECT];
+ int alt, num_altsubject = 0;
+ GENERAL_NAME *gen;
+ void *ext;
+ stack_index_t i;
+ ASN1_INTEGER *ser;
+ char serial_num[128];
+#ifdef CONFIG_SHA256
+ u8 hash[32];
+#endif /* CONFIG_SHA256 */
+
+ if (context->event_cb == NULL)
+ return;
+
+ os_memset(&ev, 0, sizeof(ev));
+ if (conn->cert_probe || (conn->flags & TLS_CONN_EXT_CERT_CHECK) ||
+ context->cert_in_cb) {
+ cert = get_x509_cert(err_cert);
+ ev.peer_cert.cert = cert;
+ }
+#ifdef CONFIG_SHA256
+ if (cert) {
+ const u8 *addr[1];
+ size_t len[1];
+ addr[0] = wpabuf_head(cert);
+ len[0] = wpabuf_len(cert);
+ if (sha256_vector(1, addr, len, hash) == 0) {
+ ev.peer_cert.hash = hash;
+ ev.peer_cert.hash_len = sizeof(hash);
+ }
+ }
+#endif /* CONFIG_SHA256 */
+ ev.peer_cert.depth = depth;
+ ev.peer_cert.subject = subject;
+
+ ser = X509_get_serialNumber(err_cert);
+ if (ser) {
+ wpa_snprintf_hex_uppercase(serial_num, sizeof(serial_num),
+ ASN1_STRING_get0_data(ser),
+ ASN1_STRING_length(ser));
+ ev.peer_cert.serial_num = serial_num;
+ }
+
+ ext = X509_get_ext_d2i(err_cert, NID_subject_alt_name, NULL, NULL);
+ for (i = 0; ext && i < sk_GENERAL_NAME_num(ext); i++) {
+ char *pos;
+
+ if (num_altsubject == TLS_MAX_ALT_SUBJECT)
+ break;
+ gen = sk_GENERAL_NAME_value(ext, i);
+ if (gen->type != GEN_EMAIL &&
+ gen->type != GEN_DNS &&
+ gen->type != GEN_URI)
+ continue;
+
+ pos = os_malloc(10 + gen->d.ia5->length + 1);
+ if (pos == NULL)
+ break;
+ altsubject[num_altsubject++] = pos;
+
+ switch (gen->type) {
+ case GEN_EMAIL:
+ os_memcpy(pos, "EMAIL:", 6);
+ pos += 6;
+ break;
+ case GEN_DNS:
+ os_memcpy(pos, "DNS:", 4);
+ pos += 4;
+ break;
+ case GEN_URI:
+ os_memcpy(pos, "URI:", 4);
+ pos += 4;
+ break;
+ }
+
+ os_memcpy(pos, gen->d.ia5->data, gen->d.ia5->length);
+ pos += gen->d.ia5->length;
+ *pos = '\0';
+ }
+ sk_GENERAL_NAME_pop_free(ext, GENERAL_NAME_free);
+
+ for (alt = 0; alt < num_altsubject; alt++)
+ ev.peer_cert.altsubject[alt] = altsubject[alt];
+ ev.peer_cert.num_altsubject = num_altsubject;
+
+ ev.peer_cert.tod = openssl_cert_tod(err_cert);
+
+ context->event_cb(context->cb_ctx, TLS_PEER_CERTIFICATE, &ev);
+ wpabuf_free(cert);
+ for (alt = 0; alt < num_altsubject; alt++)
+ os_free(altsubject[alt]);
+}
+
+
+static int tls_verify_cb(int preverify_ok, X509_STORE_CTX *x509_ctx)
+{
+ char buf[256];
+ X509 *err_cert;
+ int err, depth;
+ SSL *ssl;
+ struct tls_connection *conn;
+ struct tls_context *context;
+ char *match, *altmatch, *suffix_match, *domain_match;
+ const char *check_cert_subject;
+ const char *err_str;
+
+ err_cert = X509_STORE_CTX_get_current_cert(x509_ctx);
+ if (!err_cert)
+ return 0;
+
+ err = X509_STORE_CTX_get_error(x509_ctx);
+ depth = X509_STORE_CTX_get_error_depth(x509_ctx);
+ ssl = X509_STORE_CTX_get_ex_data(x509_ctx,
+ SSL_get_ex_data_X509_STORE_CTX_idx());
+ X509_NAME_oneline(X509_get_subject_name(err_cert), buf, sizeof(buf));
+
+ conn = SSL_get_app_data(ssl);
+ if (conn == NULL)
+ return 0;
+
+ if (depth == 0)
+ conn->peer_cert = err_cert;
+ else if (depth == 1)
+ conn->peer_issuer = err_cert;
+ else if (depth == 2)
+ conn->peer_issuer_issuer = err_cert;
+
+ context = conn->context;
+ match = conn->subject_match;
+ altmatch = conn->altsubject_match;
+ suffix_match = conn->suffix_match;
+ domain_match = conn->domain_match;
+
+ if (!preverify_ok && !conn->ca_cert_verify)
+ preverify_ok = 1;
+ if (!preverify_ok && depth > 0 && conn->server_cert_only)
+ preverify_ok = 1;
+ if (!preverify_ok && (conn->flags & TLS_CONN_DISABLE_TIME_CHECKS) &&
+ (err == X509_V_ERR_CERT_HAS_EXPIRED ||
+ err == X509_V_ERR_CERT_NOT_YET_VALID)) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Ignore certificate validity "
+ "time mismatch");
+ preverify_ok = 1;
+ }
+ if (!preverify_ok && !conn->data->check_crl_strict &&
+ (err == X509_V_ERR_CRL_HAS_EXPIRED ||
+ err == X509_V_ERR_CRL_NOT_YET_VALID)) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Ignore certificate validity CRL time mismatch");
+ preverify_ok = 1;
+ }
+
+ err_str = X509_verify_cert_error_string(err);
+
+#ifdef CONFIG_SHA256
+ /*
+ * Do not require preverify_ok so we can explicity allow otherwise
+ * invalid pinned server certificates.
+ */
+ if (depth == 0 && conn->server_cert_only) {
+ struct wpabuf *cert;
+ cert = get_x509_cert(err_cert);
+ if (!cert) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Could not fetch "
+ "server certificate data");
+ preverify_ok = 0;
+ } else {
+ u8 hash[32];
+ const u8 *addr[1];
+ size_t len[1];
+ addr[0] = wpabuf_head(cert);
+ len[0] = wpabuf_len(cert);
+ if (sha256_vector(1, addr, len, hash) < 0 ||
+ os_memcmp(conn->srv_cert_hash, hash, 32) != 0) {
+ err_str = "Server certificate mismatch";
+ err = X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN;
+ preverify_ok = 0;
+ } else if (!preverify_ok) {
+ /*
+ * Certificate matches pinned certificate, allow
+ * regardless of other problems.
+ */
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Ignore validation issues for a pinned server certificate");
+ preverify_ok = 1;
+ }
+ wpabuf_free(cert);
+ }
+ }
+#endif /* CONFIG_SHA256 */
+
+ openssl_tls_cert_event(conn, err_cert, depth, buf);
+
+ if (!preverify_ok) {
+ if (depth > 0) {
+ /* Send cert event for the peer certificate so that
+ * the upper layers get information about it even if
+ * validation of a CA certificate fails. */
+ STACK_OF(X509) *chain;
+
+ chain = X509_STORE_CTX_get1_chain(x509_ctx);
+ if (chain && sk_X509_num(chain) > 0) {
+ char buf2[256];
+ X509 *cert;
+
+ cert = sk_X509_value(chain, 0);
+ X509_NAME_oneline(X509_get_subject_name(cert),
+ buf2, sizeof(buf2));
+
+ openssl_tls_cert_event(conn, cert, 0, buf2);
+ }
+ if (chain)
+ sk_X509_pop_free(chain, X509_free);
+ }
+
+ wpa_printf(MSG_WARNING, "TLS: Certificate verification failed,"
+ " error %d (%s) depth %d for '%s'", err, err_str,
+ depth, buf);
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ err_str, TLS_FAIL_UNSPECIFIED);
+ return preverify_ok;
+ }
+
+ wpa_printf(MSG_DEBUG, "TLS: tls_verify_cb - preverify_ok=%d "
+ "err=%d (%s) ca_cert_verify=%d depth=%d buf='%s'",
+ preverify_ok, err, err_str,
+ conn->ca_cert_verify, depth, buf);
+ check_cert_subject = conn->check_cert_subject;
+ if (!check_cert_subject)
+ check_cert_subject = conn->data->check_cert_subject;
+ if (check_cert_subject) {
+ if (depth == 0 &&
+ !tls_match_dn_field(err_cert, check_cert_subject)) {
+ preverify_ok = 0;
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ "Distinguished Name",
+ TLS_FAIL_DN_MISMATCH);
+ }
+ }
+ if (depth == 0 && match && os_strstr(buf, match) == NULL) {
+ wpa_printf(MSG_WARNING, "TLS: Subject '%s' did not "
+ "match with '%s'", buf, match);
+ preverify_ok = 0;
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ "Subject mismatch",
+ TLS_FAIL_SUBJECT_MISMATCH);
+ } else if (depth == 0 && altmatch &&
+ !tls_match_altsubject(err_cert, altmatch)) {
+ wpa_printf(MSG_WARNING, "TLS: altSubjectName match "
+ "'%s' not found", altmatch);
+ preverify_ok = 0;
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ "AltSubject mismatch",
+ TLS_FAIL_ALTSUBJECT_MISMATCH);
+ } else if (depth == 0 && suffix_match &&
+ !tls_match_suffix(err_cert, suffix_match, 0)) {
+ wpa_printf(MSG_WARNING, "TLS: Domain suffix match '%s' not found",
+ suffix_match);
+ preverify_ok = 0;
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ "Domain suffix mismatch",
+ TLS_FAIL_DOMAIN_SUFFIX_MISMATCH);
+ } else if (depth == 0 && domain_match &&
+ !tls_match_suffix(err_cert, domain_match, 1)) {
+ wpa_printf(MSG_WARNING, "TLS: Domain match '%s' not found",
+ domain_match);
+ preverify_ok = 0;
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ "Domain mismatch",
+ TLS_FAIL_DOMAIN_MISMATCH);
+ }
+
+ if (conn->cert_probe && preverify_ok && depth == 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Reject server certificate "
+ "on probe-only run");
+ preverify_ok = 0;
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ "Server certificate chain probe",
+ TLS_FAIL_SERVER_CHAIN_PROBE);
+ }
+
+#ifdef CONFIG_SUITEB
+ if (conn->flags & TLS_CONN_SUITEB) {
+ EVP_PKEY *pk;
+ RSA *rsa;
+ int len = -1;
+
+ pk = X509_get_pubkey(err_cert);
+ if (pk) {
+ rsa = EVP_PKEY_get1_RSA(pk);
+ if (rsa) {
+ len = RSA_bits(rsa);
+ RSA_free(rsa);
+ }
+ EVP_PKEY_free(pk);
+ }
+
+ if (len >= 0) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: RSA modulus size: %d bits", len);
+ if (len < 3072) {
+ preverify_ok = 0;
+ openssl_tls_fail_event(
+ conn, err_cert, err,
+ depth, buf,
+ "Insufficient RSA modulus size",
+ TLS_FAIL_INSUFFICIENT_KEY_LEN);
+ }
+ }
+ }
+#endif /* CONFIG_SUITEB */
+
+#ifdef OPENSSL_IS_BORINGSSL
+ if (depth == 0 && (conn->flags & TLS_CONN_REQUEST_OCSP) &&
+ preverify_ok) {
+ enum ocsp_result res;
+
+ res = check_ocsp_resp(conn->ssl_ctx, conn->ssl, err_cert,
+ conn->peer_issuer,
+ conn->peer_issuer_issuer);
+ if (res == OCSP_REVOKED) {
+ preverify_ok = 0;
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ "certificate revoked",
+ TLS_FAIL_REVOKED);
+ if (err == X509_V_OK)
+ X509_STORE_CTX_set_error(
+ x509_ctx, X509_V_ERR_CERT_REVOKED);
+ } else if (res != OCSP_GOOD &&
+ (conn->flags & TLS_CONN_REQUIRE_OCSP)) {
+ preverify_ok = 0;
+ openssl_tls_fail_event(conn, err_cert, err, depth, buf,
+ "bad certificate status response",
+ TLS_FAIL_UNSPECIFIED);
+ }
+ }
+#endif /* OPENSSL_IS_BORINGSSL */
+
+ if (depth == 0 && preverify_ok && context->event_cb != NULL)
+ context->event_cb(context->cb_ctx,
+ TLS_CERT_CHAIN_SUCCESS, NULL);
+
+ return preverify_ok;
+}
+
+
+#ifndef OPENSSL_NO_STDIO
+static int tls_load_ca_der(struct tls_data *data, const char *ca_cert)
+{
+ SSL_CTX *ssl_ctx = data->ssl;
+ X509_LOOKUP *lookup;
+ int ret = 0;
+
+ lookup = X509_STORE_add_lookup(SSL_CTX_get_cert_store(ssl_ctx),
+ X509_LOOKUP_file());
+ if (lookup == NULL) {
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed add lookup for X509 store");
+ return -1;
+ }
+
+ if (!X509_LOOKUP_load_file(lookup, ca_cert, X509_FILETYPE_ASN1)) {
+ unsigned long err = ERR_peek_error();
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed load CA in DER format");
+ if (ERR_GET_LIB(err) == ERR_LIB_X509 &&
+ ERR_GET_REASON(err) == X509_R_CERT_ALREADY_IN_HASH_TABLE) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - ignoring "
+ "cert already in hash table error",
+ __func__);
+ } else
+ ret = -1;
+ }
+
+ return ret;
+}
+#endif /* OPENSSL_NO_STDIO */
+
+
+static int tls_connection_ca_cert(struct tls_data *data,
+ struct tls_connection *conn,
+ const char *ca_cert, const u8 *ca_cert_blob,
+ size_t ca_cert_blob_len, const char *ca_path)
+{
+ SSL_CTX *ssl_ctx = data->ssl;
+ X509_STORE *store;
+
+ /*
+ * Remove previously configured trusted CA certificates before adding
+ * new ones.
+ */
+ store = X509_STORE_new();
+ if (store == NULL) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - failed to allocate new "
+ "certificate store", __func__);
+ return -1;
+ }
+ SSL_CTX_set_cert_store(ssl_ctx, store);
+
+ SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
+ conn->ca_cert_verify = 1;
+
+ if (ca_cert && os_strncmp(ca_cert, "probe://", 8) == 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Probe for server certificate "
+ "chain");
+ conn->cert_probe = 1;
+ conn->ca_cert_verify = 0;
+ return 0;
+ }
+
+ if (ca_cert && os_strncmp(ca_cert, "hash://", 7) == 0) {
+#ifdef CONFIG_SHA256
+ const char *pos = ca_cert + 7;
+ if (os_strncmp(pos, "server/sha256/", 14) != 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Unsupported ca_cert "
+ "hash value '%s'", ca_cert);
+ return -1;
+ }
+ pos += 14;
+ if (os_strlen(pos) != 32 * 2) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Unexpected SHA256 "
+ "hash length in ca_cert '%s'", ca_cert);
+ return -1;
+ }
+ if (hexstr2bin(pos, conn->srv_cert_hash, 32) < 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Invalid SHA256 hash "
+ "value in ca_cert '%s'", ca_cert);
+ return -1;
+ }
+ conn->server_cert_only = 1;
+ wpa_printf(MSG_DEBUG, "OpenSSL: Checking only server "
+ "certificate match");
+ return 0;
+#else /* CONFIG_SHA256 */
+ wpa_printf(MSG_INFO, "No SHA256 included in the build - "
+ "cannot validate server certificate hash");
+ return -1;
+#endif /* CONFIG_SHA256 */
+ }
+
+ if (ca_cert_blob) {
+ X509 *cert = d2i_X509(NULL,
+ (const unsigned char **) &ca_cert_blob,
+ ca_cert_blob_len);
+ if (cert == NULL) {
+ BIO *bio = BIO_new_mem_buf(ca_cert_blob,
+ ca_cert_blob_len);
+
+ if (bio) {
+ cert = PEM_read_bio_X509(bio, NULL, NULL, NULL);
+ BIO_free(bio);
+ }
+
+ if (!cert) {
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed to parse ca_cert_blob");
+ return -1;
+ }
+
+ while (ERR_get_error()) {
+ /* Ignore errors from DER conversion. */
+ }
+ }
+
+ if (!X509_STORE_add_cert(SSL_CTX_get_cert_store(ssl_ctx),
+ cert)) {
+ unsigned long err = ERR_peek_error();
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed to add ca_cert_blob to "
+ "certificate store");
+ if (ERR_GET_LIB(err) == ERR_LIB_X509 &&
+ ERR_GET_REASON(err) ==
+ X509_R_CERT_ALREADY_IN_HASH_TABLE) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - ignoring "
+ "cert already in hash table error",
+ __func__);
+ } else {
+ X509_free(cert);
+ return -1;
+ }
+ }
+ X509_free(cert);
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - added ca_cert_blob "
+ "to certificate store", __func__);
+ return 0;
+ }
+
+#ifdef ANDROID
+ /* Single alias */
+ if (ca_cert && os_strncmp("keystore://", ca_cert, 11) == 0) {
+ if (tls_add_ca_from_keystore(SSL_CTX_get_cert_store(ssl_ctx),
+ &ca_cert[11]) < 0)
+ return -1;
+ SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
+ return 0;
+ }
+
+ /* Multiple aliases separated by space */
+ if (ca_cert && os_strncmp("keystores://", ca_cert, 12) == 0) {
+ char *aliases = os_strdup(&ca_cert[12]);
+ const char *delim = " ";
+ int rc = 0;
+ char *savedptr;
+ char *alias;
+
+ if (!aliases)
+ return -1;
+ alias = strtok_r(aliases, delim, &savedptr);
+ for (; alias; alias = strtok_r(NULL, delim, &savedptr)) {
+ if (tls_add_ca_from_keystore_encoded(
+ SSL_CTX_get_cert_store(ssl_ctx), alias)) {
+ wpa_printf(MSG_WARNING,
+ "OpenSSL: %s - Failed to add ca_cert %s from keystore",
+ __func__, alias);
+ rc = -1;
+ break;
+ }
+ }
+ os_free(aliases);
+ if (rc)
+ return rc;
+
+ SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
+ return 0;
+ }
+#endif /* ANDROID */
+
+#ifdef CONFIG_NATIVE_WINDOWS
+ if (ca_cert && tls_cryptoapi_ca_cert(ssl_ctx, conn->ssl, ca_cert) ==
+ 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Added CA certificates from "
+ "system certificate store");
+ return 0;
+ }
+#endif /* CONFIG_NATIVE_WINDOWS */
+
+ if (ca_cert || ca_path) {
+#ifndef OPENSSL_NO_STDIO
+ if (SSL_CTX_load_verify_locations(ssl_ctx, ca_cert, ca_path) !=
+ 1) {
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed to load root certificates");
+ if (ca_cert &&
+ tls_load_ca_der(data, ca_cert) == 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - loaded "
+ "DER format CA certificate",
+ __func__);
+ } else
+ return -1;
+ } else {
+ wpa_printf(MSG_DEBUG, "TLS: Trusted root "
+ "certificate(s) loaded");
+ tls_get_errors(data);
+ }
+#else /* OPENSSL_NO_STDIO */
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - OPENSSL_NO_STDIO",
+ __func__);
+ return -1;
+#endif /* OPENSSL_NO_STDIO */
+ } else {
+ /* No ca_cert configured - do not try to verify server
+ * certificate */
+ conn->ca_cert_verify = 0;
+ }
+
+ return 0;
+}
+
+
+static int tls_global_ca_cert(struct tls_data *data, const char *ca_cert)
+{
+ SSL_CTX *ssl_ctx = data->ssl;
+
+ if (ca_cert) {
+ if (SSL_CTX_load_verify_locations(ssl_ctx, ca_cert, NULL) != 1)
+ {
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed to load root certificates");
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "TLS: Trusted root "
+ "certificate(s) loaded");
+
+#ifndef OPENSSL_NO_STDIO
+ /* Add the same CAs to the client certificate requests */
+ SSL_CTX_set_client_CA_list(ssl_ctx,
+ SSL_load_client_CA_file(ca_cert));
+#endif /* OPENSSL_NO_STDIO */
+
+ os_free(data->ca_cert);
+ data->ca_cert = os_strdup(ca_cert);
+ }
+
+ return 0;
+}
+
+
+int tls_global_set_verify(void *ssl_ctx, int check_crl, int strict)
+{
+ int flags;
+
+ if (check_crl) {
+ struct tls_data *data = ssl_ctx;
+ X509_STORE *cs = SSL_CTX_get_cert_store(data->ssl);
+ if (cs == NULL) {
+ tls_show_errors(MSG_INFO, __func__, "Failed to get "
+ "certificate store when enabling "
+ "check_crl");
+ return -1;
+ }
+ flags = X509_V_FLAG_CRL_CHECK;
+ if (check_crl == 2)
+ flags |= X509_V_FLAG_CRL_CHECK_ALL;
+ X509_STORE_set_flags(cs, flags);
+
+ data->check_crl = check_crl;
+ data->check_crl_strict = strict;
+ os_get_reltime(&data->crl_last_reload);
+ }
+ return 0;
+}
+
+
+static int tls_connection_set_subject_match(struct tls_connection *conn,
+ const char *subject_match,
+ const char *altsubject_match,
+ const char *suffix_match,
+ const char *domain_match,
+ const char *check_cert_subject)
+{
+ os_free(conn->subject_match);
+ conn->subject_match = NULL;
+ if (subject_match) {
+ conn->subject_match = os_strdup(subject_match);
+ if (conn->subject_match == NULL)
+ return -1;
+ }
+
+ os_free(conn->altsubject_match);
+ conn->altsubject_match = NULL;
+ if (altsubject_match) {
+ conn->altsubject_match = os_strdup(altsubject_match);
+ if (conn->altsubject_match == NULL)
+ return -1;
+ }
+
+ os_free(conn->suffix_match);
+ conn->suffix_match = NULL;
+ if (suffix_match) {
+ conn->suffix_match = os_strdup(suffix_match);
+ if (conn->suffix_match == NULL)
+ return -1;
+ }
+
+ os_free(conn->domain_match);
+ conn->domain_match = NULL;
+ if (domain_match) {
+ conn->domain_match = os_strdup(domain_match);
+ if (conn->domain_match == NULL)
+ return -1;
+ }
+
+ os_free(conn->check_cert_subject);
+ conn->check_cert_subject = NULL;
+ if (check_cert_subject) {
+ conn->check_cert_subject = os_strdup(check_cert_subject);
+ if (!conn->check_cert_subject)
+ return -1;
+ }
+
+ return 0;
+}
+
+
+#ifdef CONFIG_SUITEB
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+static int suiteb_cert_cb(SSL *ssl, void *arg)
+{
+ struct tls_connection *conn = arg;
+
+ /*
+ * This cert_cb() is not really the best location for doing a
+ * constraint check for the ServerKeyExchange message, but this seems to
+ * be the only place where the current OpenSSL sequence can be
+ * terminated cleanly with an TLS alert going out to the server.
+ */
+
+ if (!(conn->flags & TLS_CONN_SUITEB))
+ return 1;
+
+ /* DHE is enabled only with DHE-RSA-AES256-GCM-SHA384 */
+ if (conn->cipher_suite != 0x9f)
+ return 1;
+
+ if (conn->server_dh_prime_len >= 3072)
+ return 1;
+
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Server DH prime length (%d bits) not sufficient for Suite B RSA - reject handshake",
+ conn->server_dh_prime_len);
+ return 0;
+}
+#endif /* OPENSSL_VERSION_NUMBER */
+#endif /* CONFIG_SUITEB */
+
+
+static int tls_set_conn_flags(struct tls_connection *conn, unsigned int flags,
+ const char *openssl_ciphers)
+{
+ SSL *ssl = conn->ssl;
+
+#ifdef SSL_OP_NO_TICKET
+ if (flags & TLS_CONN_DISABLE_SESSION_TICKET)
+ SSL_set_options(ssl, SSL_OP_NO_TICKET);
+ else
+ SSL_clear_options(ssl, SSL_OP_NO_TICKET);
+#endif /* SSL_OP_NO_TICKET */
+
+#ifdef SSL_OP_NO_TLSv1
+ if (flags & TLS_CONN_DISABLE_TLSv1_0)
+ SSL_set_options(ssl, SSL_OP_NO_TLSv1);
+ else
+ SSL_clear_options(ssl, SSL_OP_NO_TLSv1);
+#endif /* SSL_OP_NO_TLSv1 */
+#ifdef SSL_OP_NO_TLSv1_1
+ if (flags & TLS_CONN_DISABLE_TLSv1_1)
+ SSL_set_options(ssl, SSL_OP_NO_TLSv1_1);
+ else
+ SSL_clear_options(ssl, SSL_OP_NO_TLSv1_1);
+#endif /* SSL_OP_NO_TLSv1_1 */
+#ifdef SSL_OP_NO_TLSv1_2
+ if (flags & TLS_CONN_DISABLE_TLSv1_2)
+ SSL_set_options(ssl, SSL_OP_NO_TLSv1_2);
+ else
+ SSL_clear_options(ssl, SSL_OP_NO_TLSv1_2);
+#endif /* SSL_OP_NO_TLSv1_2 */
+#ifdef SSL_OP_NO_TLSv1_3
+ if (flags & TLS_CONN_DISABLE_TLSv1_3)
+ SSL_set_options(ssl, SSL_OP_NO_TLSv1_3);
+ else
+ SSL_clear_options(ssl, SSL_OP_NO_TLSv1_3);
+#endif /* SSL_OP_NO_TLSv1_3 */
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L
+ if (flags & (TLS_CONN_ENABLE_TLSv1_0 |
+ TLS_CONN_ENABLE_TLSv1_1 |
+ TLS_CONN_ENABLE_TLSv1_2)) {
+ int version = 0;
+
+ /* Explicit request to enable TLS versions even if needing to
+ * override systemwide policies. */
+ if (flags & TLS_CONN_ENABLE_TLSv1_0) {
+ version = TLS1_VERSION;
+ } else if (flags & TLS_CONN_ENABLE_TLSv1_1) {
+ if (!(flags & TLS_CONN_DISABLE_TLSv1_0))
+ version = TLS1_1_VERSION;
+ } else if (flags & TLS_CONN_ENABLE_TLSv1_2) {
+ if (!(flags & (TLS_CONN_DISABLE_TLSv1_0 |
+ TLS_CONN_DISABLE_TLSv1_1)))
+ version = TLS1_2_VERSION;
+ }
+ if (!version) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Invalid TLS version configuration");
+ return -1;
+ }
+
+ if (SSL_set_min_proto_version(ssl, version) != 1) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Failed to set minimum TLS version");
+ return -1;
+ }
+ }
+#endif /* >= 1.1.0 */
+
+#ifdef CONFIG_SUITEB
+#ifdef OPENSSL_IS_BORINGSSL
+ /* Start with defaults from BoringSSL */
+ SSL_CTX_set_verify_algorithm_prefs(conn->ssl_ctx, NULL, 0);
+#endif /* OPENSSL_IS_BORINGSSL */
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+ if (flags & TLS_CONN_SUITEB_NO_ECDH) {
+ const char *ciphers = "DHE-RSA-AES256-GCM-SHA384";
+
+ if (openssl_ciphers) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Override ciphers for Suite B (no ECDH): %s",
+ openssl_ciphers);
+ ciphers = openssl_ciphers;
+ }
+ if (SSL_set_cipher_list(ssl, ciphers) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set Suite B ciphers");
+ return -1;
+ }
+ } else if (flags & TLS_CONN_SUITEB) {
+ EC_KEY *ecdh;
+ const char *ciphers =
+ "ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384";
+ int nid[1] = { NID_secp384r1 };
+
+ if (openssl_ciphers) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Override ciphers for Suite B: %s",
+ openssl_ciphers);
+ ciphers = openssl_ciphers;
+ }
+ if (SSL_set_cipher_list(ssl, ciphers) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set Suite B ciphers");
+ return -1;
+ }
+
+ if (SSL_set1_curves(ssl, nid, 1) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set Suite B curves");
+ return -1;
+ }
+
+ ecdh = EC_KEY_new_by_curve_name(NID_secp384r1);
+ if (!ecdh || SSL_set_tmp_ecdh(ssl, ecdh) != 1) {
+ EC_KEY_free(ecdh);
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set ECDH parameter");
+ return -1;
+ }
+ EC_KEY_free(ecdh);
+ }
+ if (flags & (TLS_CONN_SUITEB | TLS_CONN_SUITEB_NO_ECDH)) {
+#ifdef OPENSSL_IS_BORINGSSL
+ uint16_t sigalgs[1] = { SSL_SIGN_RSA_PKCS1_SHA384 };
+
+ if (SSL_CTX_set_verify_algorithm_prefs(conn->ssl_ctx, sigalgs,
+ 1) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set Suite B sigalgs");
+ return -1;
+ }
+#else /* OPENSSL_IS_BORINGSSL */
+ /* ECDSA+SHA384 if need to add EC support here */
+ if (SSL_set1_sigalgs_list(ssl, "RSA+SHA384") != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set Suite B sigalgs");
+ return -1;
+ }
+#endif /* OPENSSL_IS_BORINGSSL */
+
+ SSL_set_options(ssl, SSL_OP_NO_TLSv1);
+ SSL_set_options(ssl, SSL_OP_NO_TLSv1_1);
+ SSL_set_cert_cb(ssl, suiteb_cert_cb, conn);
+ }
+#else /* OPENSSL_VERSION_NUMBER < 0x10002000L */
+ if (flags & (TLS_CONN_SUITEB | TLS_CONN_SUITEB_NO_ECDH)) {
+ wpa_printf(MSG_ERROR,
+ "OpenSSL: Suite B RSA case not supported with this OpenSSL version");
+ return -1;
+ }
+#endif /* OPENSSL_VERSION_NUMBER */
+
+#ifdef OPENSSL_IS_BORINGSSL
+ if (openssl_ciphers && os_strcmp(openssl_ciphers, "SUITEB192") == 0) {
+ uint16_t sigalgs[1] = { SSL_SIGN_ECDSA_SECP384R1_SHA384 };
+ int nid[1] = { NID_secp384r1 };
+
+ if (SSL_set1_curves(ssl, nid, 1) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set Suite B curves");
+ return -1;
+ }
+
+ if (SSL_CTX_set_verify_algorithm_prefs(conn->ssl_ctx, sigalgs,
+ 1) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set Suite B sigalgs");
+ return -1;
+ }
+ }
+#else /* OPENSSL_IS_BORINGSSL */
+ if (!(flags & (TLS_CONN_SUITEB | TLS_CONN_SUITEB_NO_ECDH)) &&
+ openssl_ciphers && SSL_set_cipher_list(ssl, openssl_ciphers) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set openssl_ciphers '%s'",
+ openssl_ciphers);
+ return -1;
+ }
+#endif /* OPENSSL_IS_BORINGSSL */
+#else /* CONFIG_SUITEB */
+ if (openssl_ciphers && SSL_set_cipher_list(ssl, openssl_ciphers) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set openssl_ciphers '%s'",
+ openssl_ciphers);
+ return -1;
+ }
+#endif /* CONFIG_SUITEB */
+
+ if (flags & TLS_CONN_TEAP_ANON_DH) {
+#ifndef TEAP_DH_ANON_CS
+#define TEAP_DH_ANON_CS \
+ "ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:" \
+ "ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:" \
+ "ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:" \
+ "DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:" \
+ "DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:" \
+ "DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:" \
+ "ADH-AES256-GCM-SHA384:ADH-AES128-GCM-SHA256:" \
+ "ADH-AES256-SHA256:ADH-AES128-SHA256:ADH-AES256-SHA:ADH-AES128-SHA"
+#endif
+ static const char *cs = TEAP_DH_ANON_CS;
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
+ !defined(LIBRESSL_VERSION_NUMBER) && \
+ !defined(OPENSSL_IS_BORINGSSL)
+ /*
+ * Need to drop to security level 0 to allow anonymous
+ * cipher suites for EAP-TEAP.
+ */
+ SSL_set_security_level(conn->ssl, 0);
+#endif
+
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Enable cipher suites for anonymous EAP-TEAP provisioning: %s",
+ cs);
+ if (SSL_set_cipher_list(conn->ssl, cs) != 1) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Cipher suite configuration failed");
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+
+int tls_connection_set_verify(void *ssl_ctx, struct tls_connection *conn,
+ int verify_peer, unsigned int flags,
+ const u8 *session_ctx, size_t session_ctx_len)
+{
+ static int counter = 0;
+ struct tls_data *data = ssl_ctx;
+
+ if (conn == NULL)
+ return -1;
+
+ if (verify_peer) {
+ conn->ca_cert_verify = 1;
+ SSL_set_verify(conn->ssl, SSL_VERIFY_PEER |
+ SSL_VERIFY_FAIL_IF_NO_PEER_CERT |
+ SSL_VERIFY_CLIENT_ONCE, tls_verify_cb);
+ } else {
+ conn->ca_cert_verify = 0;
+ SSL_set_verify(conn->ssl, SSL_VERIFY_NONE, NULL);
+ }
+
+ if (tls_set_conn_flags(conn, flags, NULL) < 0)
+ return -1;
+ conn->flags = flags;
+
+ SSL_set_accept_state(conn->ssl);
+
+ if (data->tls_session_lifetime == 0) {
+ /*
+ * Set session id context to a unique value to make sure
+ * session resumption cannot be used either through session
+ * caching or TLS ticket extension.
+ */
+ counter++;
+ SSL_set_session_id_context(conn->ssl,
+ (const unsigned char *) &counter,
+ sizeof(counter));
+ } else if (session_ctx) {
+ SSL_set_session_id_context(conn->ssl, session_ctx,
+ session_ctx_len);
+ }
+
+ return 0;
+}
+
+
+static int tls_connection_client_cert(struct tls_connection *conn,
+ const char *client_cert,
+ const u8 *client_cert_blob,
+ size_t client_cert_blob_len)
+{
+ if (client_cert == NULL && client_cert_blob == NULL)
+ return 0;
+
+#ifdef PKCS12_FUNCS
+#if OPENSSL_VERSION_NUMBER < 0x10002000L || defined(LIBRESSL_VERSION_NUMBER)
+ /*
+ * Clear previously set extra chain certificates, if any, from PKCS#12
+ * processing in tls_parse_pkcs12() to allow OpenSSL to build a new
+ * chain properly.
+ */
+ SSL_CTX_clear_extra_chain_certs(conn->ssl_ctx);
+#endif /* OPENSSL_VERSION_NUMBER < 0x10002000L */
+#endif /* PKCS12_FUNCS */
+
+ if (client_cert_blob &&
+ SSL_use_certificate_ASN1(conn->ssl, (u8 *) client_cert_blob,
+ client_cert_blob_len) == 1) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_certificate_ASN1 --> "
+ "OK");
+ return 0;
+ } else if (client_cert_blob) {
+ tls_show_errors(MSG_DEBUG, __func__,
+ "SSL_use_certificate_ASN1 failed");
+ }
+
+ if (client_cert == NULL)
+ return -1;
+
+#ifdef ANDROID
+ if (os_strncmp("keystore://", client_cert, 11) == 0) {
+ BIO *bio = BIO_from_keystore(&client_cert[11]);
+ X509 *x509 = NULL;
+ int ret = -1;
+ if (bio) {
+ x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
+ }
+ if (x509) {
+ if (SSL_use_certificate(conn->ssl, x509) == 1)
+ ret = 0;
+ X509_free(x509);
+ }
+
+ /* Read additional certificates into the chain. */
+ while (bio) {
+ x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
+ if (x509) {
+ /* Takes ownership of x509 */
+ SSL_add0_chain_cert(conn->ssl, x509);
+ } else {
+ BIO_free(bio);
+ bio = NULL;
+ }
+ }
+ return ret;
+ }
+#endif /* ANDROID */
+
+#ifndef OPENSSL_NO_STDIO
+ if (SSL_use_certificate_file(conn->ssl, client_cert,
+ SSL_FILETYPE_ASN1) == 1) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_certificate_file (DER)"
+ " --> OK");
+ return 0;
+ }
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && \
+ !defined(LIBRESSL_VERSION_NUMBER) && !defined(OPENSSL_IS_BORINGSSL)
+ if (SSL_use_certificate_chain_file(conn->ssl, client_cert) == 1) {
+ ERR_clear_error();
+ wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_certificate_chain_file"
+ " --> OK");
+ return 0;
+ }
+#else
+ if (SSL_use_certificate_file(conn->ssl, client_cert,
+ SSL_FILETYPE_PEM) == 1) {
+ ERR_clear_error();
+ wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_certificate_file (PEM)"
+ " --> OK");
+ return 0;
+ }
+#endif
+
+ tls_show_errors(MSG_DEBUG, __func__,
+ "SSL_use_certificate_file failed");
+#else /* OPENSSL_NO_STDIO */
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - OPENSSL_NO_STDIO", __func__);
+#endif /* OPENSSL_NO_STDIO */
+
+ return -1;
+}
+
+
+static int tls_global_client_cert(struct tls_data *data,
+ const char *client_cert)
+{
+#ifndef OPENSSL_NO_STDIO
+ SSL_CTX *ssl_ctx = data->ssl;
+
+ if (client_cert == NULL)
+ return 0;
+
+ if (SSL_CTX_use_certificate_file(ssl_ctx, client_cert,
+ SSL_FILETYPE_ASN1) != 1 &&
+ SSL_CTX_use_certificate_chain_file(ssl_ctx, client_cert) != 1 &&
+ SSL_CTX_use_certificate_file(ssl_ctx, client_cert,
+ SSL_FILETYPE_PEM) != 1) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to load client certificate");
+ return -1;
+ }
+ return 0;
+#else /* OPENSSL_NO_STDIO */
+ if (client_cert == NULL)
+ return 0;
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - OPENSSL_NO_STDIO", __func__);
+ return -1;
+#endif /* OPENSSL_NO_STDIO */
+}
+
+
+#ifdef PKCS12_FUNCS
+static int tls_parse_pkcs12(struct tls_data *data, SSL *ssl, PKCS12 *p12,
+ const char *passwd)
+{
+ EVP_PKEY *pkey;
+ X509 *cert;
+ STACK_OF(X509) *certs;
+ int res = 0;
+ char buf[256];
+
+ pkey = NULL;
+ cert = NULL;
+ certs = NULL;
+ if (!passwd)
+ passwd = "";
+ if (!PKCS12_parse(p12, passwd, &pkey, &cert, &certs)) {
+ tls_show_errors(MSG_DEBUG, __func__,
+ "Failed to parse PKCS12 file");
+ PKCS12_free(p12);
+ return -1;
+ }
+ wpa_printf(MSG_DEBUG, "TLS: Successfully parsed PKCS12 data");
+
+ if (cert) {
+ X509_NAME_oneline(X509_get_subject_name(cert), buf,
+ sizeof(buf));
+ wpa_printf(MSG_DEBUG, "TLS: Got certificate from PKCS12: "
+ "subject='%s'", buf);
+ if (ssl) {
+ if (SSL_use_certificate(ssl, cert) != 1)
+ res = -1;
+ } else {
+ if (SSL_CTX_use_certificate(data->ssl, cert) != 1)
+ res = -1;
+ }
+ X509_free(cert);
+ }
+
+ if (pkey) {
+ wpa_printf(MSG_DEBUG, "TLS: Got private key from PKCS12");
+ if (ssl) {
+ if (SSL_use_PrivateKey(ssl, pkey) != 1)
+ res = -1;
+ } else {
+ if (SSL_CTX_use_PrivateKey(data->ssl, pkey) != 1)
+ res = -1;
+ }
+ EVP_PKEY_free(pkey);
+ }
+
+ if (certs) {
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L && !defined(LIBRESSL_VERSION_NUMBER)
+ if (ssl)
+ SSL_clear_chain_certs(ssl);
+ else
+ SSL_CTX_clear_chain_certs(data->ssl);
+ while ((cert = sk_X509_pop(certs)) != NULL) {
+ X509_NAME_oneline(X509_get_subject_name(cert), buf,
+ sizeof(buf));
+ wpa_printf(MSG_DEBUG, "TLS: additional certificate"
+ " from PKCS12: subject='%s'", buf);
+ if ((ssl && SSL_add1_chain_cert(ssl, cert) != 1) ||
+ (!ssl && SSL_CTX_add1_chain_cert(data->ssl,
+ cert) != 1)) {
+ tls_show_errors(MSG_DEBUG, __func__,
+ "Failed to add additional certificate");
+ res = -1;
+ X509_free(cert);
+ break;
+ }
+ X509_free(cert);
+ }
+ if (!res) {
+ /* Try to continue anyway */
+ }
+ sk_X509_pop_free(certs, X509_free);
+#ifndef OPENSSL_IS_BORINGSSL
+ if (ssl)
+ res = SSL_build_cert_chain(
+ ssl,
+ SSL_BUILD_CHAIN_FLAG_CHECK |
+ SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR);
+ else
+ res = SSL_CTX_build_cert_chain(
+ data->ssl,
+ SSL_BUILD_CHAIN_FLAG_CHECK |
+ SSL_BUILD_CHAIN_FLAG_IGNORE_ERROR);
+ if (!res) {
+ tls_show_errors(MSG_DEBUG, __func__,
+ "Failed to build certificate chain");
+ } else if (res == 2) {
+ wpa_printf(MSG_DEBUG,
+ "TLS: Ignore certificate chain verification error when building chain with PKCS#12 extra certificates");
+ }
+#endif /* OPENSSL_IS_BORINGSSL */
+ /*
+ * Try to continue regardless of result since it is possible for
+ * the extra certificates not to be required.
+ */
+ res = 0;
+#else /* OPENSSL_VERSION_NUMBER >= 0x10002000L */
+ SSL_CTX_clear_extra_chain_certs(data->ssl);
+ while ((cert = sk_X509_pop(certs)) != NULL) {
+ X509_NAME_oneline(X509_get_subject_name(cert), buf,
+ sizeof(buf));
+ wpa_printf(MSG_DEBUG, "TLS: additional certificate"
+ " from PKCS12: subject='%s'", buf);
+ /*
+ * There is no SSL equivalent for the chain cert - so
+ * always add it to the context...
+ */
+ if (SSL_CTX_add_extra_chain_cert(data->ssl, cert) != 1)
+ {
+ X509_free(cert);
+ res = -1;
+ break;
+ }
+ }
+ sk_X509_pop_free(certs, X509_free);
+#endif /* OPENSSL_VERSION_NUMBER >= 0x10002000L */
+ }
+
+ PKCS12_free(p12);
+
+ if (res < 0)
+ tls_get_errors(data);
+
+ return res;
+}
+#endif /* PKCS12_FUNCS */
+
+
+static int tls_read_pkcs12(struct tls_data *data, SSL *ssl,
+ const char *private_key, const char *passwd)
+{
+#ifdef PKCS12_FUNCS
+ FILE *f;
+ PKCS12 *p12;
+
+ f = fopen(private_key, "rb");
+ if (f == NULL)
+ return -1;
+
+ p12 = d2i_PKCS12_fp(f, NULL);
+ fclose(f);
+
+ if (p12 == NULL) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to use PKCS#12 file");
+ return -1;
+ }
+
+ return tls_parse_pkcs12(data, ssl, p12, passwd);
+
+#else /* PKCS12_FUNCS */
+ wpa_printf(MSG_INFO, "TLS: PKCS12 support disabled - cannot read "
+ "p12/pfx files");
+ return -1;
+#endif /* PKCS12_FUNCS */
+}
+
+
+static int tls_read_pkcs12_blob(struct tls_data *data, SSL *ssl,
+ const u8 *blob, size_t len, const char *passwd)
+{
+#ifdef PKCS12_FUNCS
+ PKCS12 *p12;
+
+ p12 = d2i_PKCS12(NULL, (const unsigned char **) &blob, len);
+ if (p12 == NULL) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to use PKCS#12 blob");
+ return -1;
+ }
+
+ return tls_parse_pkcs12(data, ssl, p12, passwd);
+
+#else /* PKCS12_FUNCS */
+ wpa_printf(MSG_INFO, "TLS: PKCS12 support disabled - cannot parse "
+ "p12/pfx blobs");
+ return -1;
+#endif /* PKCS12_FUNCS */
+}
+
+
+#ifndef OPENSSL_NO_ENGINE
+static int tls_engine_get_cert(struct tls_connection *conn,
+ const char *cert_id,
+ X509 **cert)
+{
+ /* this runs after the private key is loaded so no PIN is required */
+ struct {
+ const char *cert_id;
+ X509 *cert;
+ } params;
+ params.cert_id = cert_id;
+ params.cert = NULL;
+
+ if (!ENGINE_ctrl_cmd(conn->engine, "LOAD_CERT_CTRL",
+ 0, ¶ms, NULL, 1)) {
+ unsigned long err = ERR_get_error();
+
+ wpa_printf(MSG_ERROR, "ENGINE: cannot load client cert with id"
+ " '%s' [%s]", cert_id,
+ ERR_error_string(err, NULL));
+ if (tls_is_pin_error(err))
+ return TLS_SET_PARAMS_ENGINE_PRV_BAD_PIN;
+ return TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+ }
+ if (!params.cert) {
+ wpa_printf(MSG_ERROR, "ENGINE: did not properly cert with id"
+ " '%s'", cert_id);
+ return TLS_SET_PARAMS_ENGINE_PRV_INIT_FAILED;
+ }
+ *cert = params.cert;
+ return 0;
+}
+#endif /* OPENSSL_NO_ENGINE */
+
+
+static int tls_connection_engine_client_cert(struct tls_connection *conn,
+ const char *cert_id)
+{
+#ifndef OPENSSL_NO_ENGINE
+ X509 *cert;
+
+ if (tls_engine_get_cert(conn, cert_id, &cert))
+ return -1;
+
+ if (!SSL_use_certificate(conn->ssl, cert)) {
+ tls_show_errors(MSG_ERROR, __func__,
+ "SSL_use_certificate failed");
+ X509_free(cert);
+ return -1;
+ }
+ X509_free(cert);
+ wpa_printf(MSG_DEBUG, "ENGINE: SSL_use_certificate --> "
+ "OK");
+ return 0;
+
+#else /* OPENSSL_NO_ENGINE */
+ return -1;
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+static int tls_connection_engine_ca_cert(struct tls_data *data,
+ struct tls_connection *conn,
+ const char *ca_cert_id)
+{
+#ifndef OPENSSL_NO_ENGINE
+ X509 *cert;
+ SSL_CTX *ssl_ctx = data->ssl;
+ X509_STORE *store;
+
+ if (tls_engine_get_cert(conn, ca_cert_id, &cert))
+ return -1;
+
+ /* start off the same as tls_connection_ca_cert */
+ store = X509_STORE_new();
+ if (store == NULL) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - failed to allocate new "
+ "certificate store", __func__);
+ X509_free(cert);
+ return -1;
+ }
+ SSL_CTX_set_cert_store(ssl_ctx, store);
+ if (!X509_STORE_add_cert(store, cert)) {
+ unsigned long err = ERR_peek_error();
+ tls_show_errors(MSG_WARNING, __func__,
+ "Failed to add CA certificate from engine "
+ "to certificate store");
+ if (ERR_GET_LIB(err) == ERR_LIB_X509 &&
+ ERR_GET_REASON(err) == X509_R_CERT_ALREADY_IN_HASH_TABLE) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - ignoring cert"
+ " already in hash table error",
+ __func__);
+ } else {
+ X509_free(cert);
+ return -1;
+ }
+ }
+ X509_free(cert);
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - added CA certificate from engine "
+ "to certificate store", __func__);
+ SSL_set_verify(conn->ssl, SSL_VERIFY_PEER, tls_verify_cb);
+ conn->ca_cert_verify = 1;
+
+ return 0;
+
+#else /* OPENSSL_NO_ENGINE */
+ return -1;
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+static int tls_connection_engine_private_key(struct tls_connection *conn)
+{
+#if defined(ANDROID) || !defined(OPENSSL_NO_ENGINE)
+ if (SSL_use_PrivateKey(conn->ssl, conn->private_key) != 1) {
+ tls_show_errors(MSG_ERROR, __func__,
+ "ENGINE: cannot use private key for TLS");
+ return -1;
+ }
+ if (!SSL_check_private_key(conn->ssl)) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Private key failed verification");
+ return -1;
+ }
+ return 0;
+#else /* OPENSSL_NO_ENGINE */
+ wpa_printf(MSG_ERROR, "SSL: Configuration uses engine, but "
+ "engine support was not compiled in");
+ return -1;
+#endif /* OPENSSL_NO_ENGINE */
+}
+
+
+#ifndef OPENSSL_NO_STDIO
+static int tls_passwd_cb(char *buf, int size, int rwflag, void *password)
+{
+ if (!password)
+ return 0;
+ os_strlcpy(buf, (const char *) password, size);
+ return os_strlen(buf);
+}
+#endif /* OPENSSL_NO_STDIO */
+
+
+static int tls_use_private_key_file(struct tls_data *data, SSL *ssl,
+ const char *private_key,
+ const char *private_key_passwd)
+{
+#ifndef OPENSSL_NO_STDIO
+ BIO *bio;
+ EVP_PKEY *pkey;
+ int ret;
+
+ /* First try ASN.1 (DER). */
+ bio = BIO_new_file(private_key, "r");
+ if (!bio)
+ return -1;
+ pkey = d2i_PrivateKey_bio(bio, NULL);
+ BIO_free(bio);
+
+ if (pkey) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s (DER) --> loaded", __func__);
+ } else {
+ /* Try PEM with the provided password. */
+ bio = BIO_new_file(private_key, "r");
+ if (!bio)
+ return -1;
+ pkey = PEM_read_bio_PrivateKey(bio, NULL, tls_passwd_cb,
+ (void *) private_key_passwd);
+ BIO_free(bio);
+ if (!pkey)
+ return -1;
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s (PEM) --> loaded", __func__);
+ /* Clear errors from the previous failed load. */
+ ERR_clear_error();
+ }
+
+ if (ssl)
+ ret = SSL_use_PrivateKey(ssl, pkey);
+ else
+ ret = SSL_CTX_use_PrivateKey(data->ssl, pkey);
+
+ EVP_PKEY_free(pkey);
+ return ret == 1 ? 0 : -1;
+#else /* OPENSSL_NO_STDIO */
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s - OPENSSL_NO_STDIO", __func__);
+ return -1;
+#endif /* OPENSSL_NO_STDIO */
+}
+
+
+static int tls_connection_private_key(struct tls_data *data,
+ struct tls_connection *conn,
+ const char *private_key,
+ const char *private_key_passwd,
+ const u8 *private_key_blob,
+ size_t private_key_blob_len)
+{
+ int ok;
+
+ if (private_key == NULL && private_key_blob == NULL)
+ return 0;
+
+ ok = 0;
+ while (private_key_blob) {
+ if (SSL_use_PrivateKey_ASN1(EVP_PKEY_RSA, conn->ssl,
+ (u8 *) private_key_blob,
+ private_key_blob_len) == 1) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_PrivateKey_"
+ "ASN1(EVP_PKEY_RSA) --> OK");
+ ok = 1;
+ break;
+ }
+
+ if (SSL_use_PrivateKey_ASN1(EVP_PKEY_DSA, conn->ssl,
+ (u8 *) private_key_blob,
+ private_key_blob_len) == 1) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: SSL_use_PrivateKey_"
+ "ASN1(EVP_PKEY_DSA) --> OK");
+ ok = 1;
+ break;
+ }
+
+ if (SSL_use_RSAPrivateKey_ASN1(conn->ssl,
+ (u8 *) private_key_blob,
+ private_key_blob_len) == 1) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: "
+ "SSL_use_RSAPrivateKey_ASN1 --> OK");
+ ok = 1;
+ break;
+ }
+
+ if (tls_read_pkcs12_blob(data, conn->ssl, private_key_blob,
+ private_key_blob_len,
+ private_key_passwd) == 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: PKCS#12 as blob --> "
+ "OK");
+ ok = 1;
+ break;
+ }
+
+ break;
+ }
+
+ while (!ok && private_key) {
+ if (tls_use_private_key_file(data, conn->ssl, private_key,
+ private_key_passwd) == 0) {
+ ok = 1;
+ break;
+ }
+
+ if (tls_read_pkcs12(data, conn->ssl, private_key,
+ private_key_passwd) == 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Reading PKCS#12 file "
+ "--> OK");
+ ok = 1;
+ break;
+ }
+
+ if (tls_cryptoapi_cert(conn->ssl, private_key) == 0) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Using CryptoAPI to "
+ "access certificate store --> OK");
+ ok = 1;
+ break;
+ }
+
+ break;
+ }
+
+ if (!ok) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to load private key");
+ return -1;
+ }
+ ERR_clear_error();
+
+ if (!SSL_check_private_key(conn->ssl)) {
+ tls_show_errors(MSG_INFO, __func__, "Private key failed "
+ "verification");
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "SSL: Private key loaded successfully");
+ return 0;
+}
+
+
+static int tls_global_private_key(struct tls_data *data,
+ const char *private_key,
+ const char *private_key_passwd)
+{
+ SSL_CTX *ssl_ctx = data->ssl;
+
+ if (private_key == NULL)
+ return 0;
+
+ if (tls_use_private_key_file(data, NULL, private_key,
+ private_key_passwd) &&
+ tls_read_pkcs12(data, NULL, private_key, private_key_passwd)) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to load private key");
+ ERR_clear_error();
+ return -1;
+ }
+ ERR_clear_error();
+
+ if (!SSL_CTX_check_private_key(ssl_ctx)) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Private key failed verification");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int tls_connection_dh(struct tls_connection *conn, const char *dh_file)
+{
+#ifdef OPENSSL_NO_DH
+ if (dh_file == NULL)
+ return 0;
+ wpa_printf(MSG_ERROR, "TLS: openssl does not include DH support, but "
+ "dh_file specified");
+ return -1;
+#else /* OPENSSL_NO_DH */
+ DH *dh;
+ BIO *bio;
+
+ /* TODO: add support for dh_blob */
+ if (dh_file == NULL)
+ return 0;
+ if (conn == NULL)
+ return -1;
+
+ bio = BIO_new_file(dh_file, "r");
+ if (bio == NULL) {
+ wpa_printf(MSG_INFO, "TLS: Failed to open DH file '%s': %s",
+ dh_file, ERR_error_string(ERR_get_error(), NULL));
+ return -1;
+ }
+ dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
+ BIO_free(bio);
+#ifndef OPENSSL_NO_DSA
+ while (dh == NULL) {
+ DSA *dsa;
+ wpa_printf(MSG_DEBUG, "TLS: Failed to parse DH file '%s': %s -"
+ " trying to parse as DSA params", dh_file,
+ ERR_error_string(ERR_get_error(), NULL));
+ bio = BIO_new_file(dh_file, "r");
+ if (bio == NULL)
+ break;
+ dsa = PEM_read_bio_DSAparams(bio, NULL, NULL, NULL);
+ BIO_free(bio);
+ if (!dsa) {
+ wpa_printf(MSG_DEBUG, "TLS: Failed to parse DSA file "
+ "'%s': %s", dh_file,
+ ERR_error_string(ERR_get_error(), NULL));
+ break;
+ }
+
+ wpa_printf(MSG_DEBUG, "TLS: DH file in DSA param format");
+ dh = DSA_dup_DH(dsa);
+ DSA_free(dsa);
+ if (dh == NULL) {
+ wpa_printf(MSG_INFO, "TLS: Failed to convert DSA "
+ "params into DH params");
+ break;
+ }
+ break;
+ }
+#endif /* !OPENSSL_NO_DSA */
+ if (dh == NULL) {
+ wpa_printf(MSG_INFO, "TLS: Failed to read/parse DH/DSA file "
+ "'%s'", dh_file);
+ return -1;
+ }
+
+ if (SSL_set_tmp_dh(conn->ssl, dh) != 1) {
+ wpa_printf(MSG_INFO, "TLS: Failed to set DH params from '%s': "
+ "%s", dh_file,
+ ERR_error_string(ERR_get_error(), NULL));
+ DH_free(dh);
+ return -1;
+ }
+ DH_free(dh);
+ return 0;
+#endif /* OPENSSL_NO_DH */
+}
+
+
+static int tls_global_dh(struct tls_data *data, const char *dh_file)
+{
+#ifdef OPENSSL_NO_DH
+ if (dh_file == NULL)
+ return 0;
+ wpa_printf(MSG_ERROR, "TLS: openssl does not include DH support, but "
+ "dh_file specified");
+ return -1;
+#else /* OPENSSL_NO_DH */
+ SSL_CTX *ssl_ctx = data->ssl;
+ DH *dh;
+ BIO *bio;
+
+ /* TODO: add support for dh_blob */
+ if (dh_file == NULL)
+ return 0;
+ if (ssl_ctx == NULL)
+ return -1;
+
+ bio = BIO_new_file(dh_file, "r");
+ if (bio == NULL) {
+ wpa_printf(MSG_INFO, "TLS: Failed to open DH file '%s': %s",
+ dh_file, ERR_error_string(ERR_get_error(), NULL));
+ return -1;
+ }
+ dh = PEM_read_bio_DHparams(bio, NULL, NULL, NULL);
+ BIO_free(bio);
+#ifndef OPENSSL_NO_DSA
+ while (dh == NULL) {
+ DSA *dsa;
+ wpa_printf(MSG_DEBUG, "TLS: Failed to parse DH file '%s': %s -"
+ " trying to parse as DSA params", dh_file,
+ ERR_error_string(ERR_get_error(), NULL));
+ bio = BIO_new_file(dh_file, "r");
+ if (bio == NULL)
+ break;
+ dsa = PEM_read_bio_DSAparams(bio, NULL, NULL, NULL);
+ BIO_free(bio);
+ if (!dsa) {
+ wpa_printf(MSG_DEBUG, "TLS: Failed to parse DSA file "
+ "'%s': %s", dh_file,
+ ERR_error_string(ERR_get_error(), NULL));
+ break;
+ }
+
+ wpa_printf(MSG_DEBUG, "TLS: DH file in DSA param format");
+ dh = DSA_dup_DH(dsa);
+ DSA_free(dsa);
+ if (dh == NULL) {
+ wpa_printf(MSG_INFO, "TLS: Failed to convert DSA "
+ "params into DH params");
+ break;
+ }
+ break;
+ }
+#endif /* !OPENSSL_NO_DSA */
+ if (dh == NULL) {
+ wpa_printf(MSG_INFO, "TLS: Failed to read/parse DH/DSA file "
+ "'%s'", dh_file);
+ return -1;
+ }
+
+ if (SSL_CTX_set_tmp_dh(ssl_ctx, dh) != 1) {
+ wpa_printf(MSG_INFO, "TLS: Failed to set DH params from '%s': "
+ "%s", dh_file,
+ ERR_error_string(ERR_get_error(), NULL));
+ DH_free(dh);
+ return -1;
+ }
+ DH_free(dh);
+ return 0;
+#endif /* OPENSSL_NO_DH */
+}
+
+
+int tls_connection_get_random(void *ssl_ctx, struct tls_connection *conn,
+ struct tls_random *keys)
+{
+ SSL *ssl;
+
+ if (conn == NULL || keys == NULL)
+ return -1;
+ ssl = conn->ssl;
+ if (ssl == NULL)
+ return -1;
+
+ os_memset(keys, 0, sizeof(*keys));
+ keys->client_random = conn->client_random;
+ keys->client_random_len = SSL_get_client_random(
+ ssl, conn->client_random, sizeof(conn->client_random));
+ keys->server_random = conn->server_random;
+ keys->server_random_len = SSL_get_server_random(
+ ssl, conn->server_random, sizeof(conn->server_random));
+
+ return 0;
+}
+
+
+#ifdef OPENSSL_NEED_EAP_FAST_PRF
+static int openssl_get_keyblock_size(SSL *ssl)
+{
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+ (defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ const EVP_CIPHER *c;
+ const EVP_MD *h;
+ int md_size;
+
+ if (ssl->enc_read_ctx == NULL || ssl->enc_read_ctx->cipher == NULL ||
+ ssl->read_hash == NULL)
+ return -1;
+
+ c = ssl->enc_read_ctx->cipher;
+ h = EVP_MD_CTX_md(ssl->read_hash);
+ if (h)
+ md_size = EVP_MD_size(h);
+ else if (ssl->s3)
+ md_size = ssl->s3->tmp.new_mac_secret_size;
+ else
+ return -1;
+
+ wpa_printf(MSG_DEBUG, "OpenSSL: keyblock size: key_len=%d MD_size=%d "
+ "IV_len=%d", EVP_CIPHER_key_length(c), md_size,
+ EVP_CIPHER_iv_length(c));
+ return 2 * (EVP_CIPHER_key_length(c) +
+ md_size +
+ EVP_CIPHER_iv_length(c));
+#else
+ const SSL_CIPHER *ssl_cipher;
+ int cipher, digest;
+ const EVP_CIPHER *c;
+ const EVP_MD *h;
+
+ ssl_cipher = SSL_get_current_cipher(ssl);
+ if (!ssl_cipher)
+ return -1;
+ cipher = SSL_CIPHER_get_cipher_nid(ssl_cipher);
+ digest = SSL_CIPHER_get_digest_nid(ssl_cipher);
+ wpa_printf(MSG_DEBUG, "OpenSSL: cipher nid %d digest nid %d",
+ cipher, digest);
+ if (cipher < 0 || digest < 0)
+ return -1;
+ c = EVP_get_cipherbynid(cipher);
+ h = EVP_get_digestbynid(digest);
+ if (!c || !h)
+ return -1;
+
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: keyblock size: key_len=%d MD_size=%d IV_len=%d",
+ EVP_CIPHER_key_length(c), EVP_MD_size(h),
+ EVP_CIPHER_iv_length(c));
+ return 2 * (EVP_CIPHER_key_length(c) + EVP_MD_size(h) +
+ EVP_CIPHER_iv_length(c));
+#endif
+}
+#endif /* OPENSSL_NEED_EAP_FAST_PRF */
+
+
+int tls_connection_export_key(void *tls_ctx, struct tls_connection *conn,
+ const char *label, const u8 *context,
+ size_t context_len, u8 *out, size_t out_len)
+{
+ if (!conn ||
+ SSL_export_keying_material(conn->ssl, out, out_len, label,
+ os_strlen(label), context, context_len,
+ context != NULL) != 1)
+ return -1;
+ return 0;
+}
+
+
+int tls_connection_get_eap_fast_key(void *tls_ctx, struct tls_connection *conn,
+ u8 *out, size_t out_len)
+{
+#ifdef OPENSSL_NEED_EAP_FAST_PRF
+ SSL *ssl;
+ SSL_SESSION *sess;
+ u8 *rnd;
+ int ret = -1;
+ int skip = 0;
+ u8 *tmp_out = NULL;
+ u8 *_out = out;
+ unsigned char client_random[SSL3_RANDOM_SIZE];
+ unsigned char server_random[SSL3_RANDOM_SIZE];
+ unsigned char master_key[64];
+ size_t master_key_len;
+ const char *ver;
+
+ /*
+ * TLS library did not support EAP-FAST key generation, so get the
+ * needed TLS session parameters and use an internal implementation of
+ * TLS PRF to derive the key.
+ */
+
+ if (conn == NULL)
+ return -1;
+ ssl = conn->ssl;
+ if (ssl == NULL)
+ return -1;
+ ver = SSL_get_version(ssl);
+ sess = SSL_get_session(ssl);
+ if (!ver || !sess)
+ return -1;
+
+ skip = openssl_get_keyblock_size(ssl);
+ if (skip < 0)
+ return -1;
+ tmp_out = os_malloc(skip + out_len);
+ if (!tmp_out)
+ return -1;
+ _out = tmp_out;
+
+ rnd = os_malloc(2 * SSL3_RANDOM_SIZE);
+ if (!rnd) {
+ os_free(tmp_out);
+ return -1;
+ }
+
+ SSL_get_client_random(ssl, client_random, sizeof(client_random));
+ SSL_get_server_random(ssl, server_random, sizeof(server_random));
+ master_key_len = SSL_SESSION_get_master_key(sess, master_key,
+ sizeof(master_key));
+
+ os_memcpy(rnd, server_random, SSL3_RANDOM_SIZE);
+ os_memcpy(rnd + SSL3_RANDOM_SIZE, client_random, SSL3_RANDOM_SIZE);
+
+ if (os_strcmp(ver, "TLSv1.2") == 0) {
+ tls_prf_sha256(master_key, master_key_len,
+ "key expansion", rnd, 2 * SSL3_RANDOM_SIZE,
+ _out, skip + out_len);
+ ret = 0;
+ } else if (tls_prf_sha1_md5(master_key, master_key_len,
+ "key expansion", rnd, 2 * SSL3_RANDOM_SIZE,
+ _out, skip + out_len) == 0) {
+ ret = 0;
+ }
+ forced_memzero(master_key, sizeof(master_key));
+ os_free(rnd);
+ if (ret == 0)
+ os_memcpy(out, _out + skip, out_len);
+ bin_clear_free(tmp_out, skip);
+
+ return ret;
+#else /* OPENSSL_NEED_EAP_FAST_PRF */
+ wpa_printf(MSG_ERROR,
+ "OpenSSL: EAP-FAST keys cannot be exported in FIPS mode");
+ return -1;
+#endif /* OPENSSL_NEED_EAP_FAST_PRF */
+}
+
+
+static struct wpabuf *
+openssl_handshake(struct tls_connection *conn, const struct wpabuf *in_data)
+{
+ int res;
+ struct wpabuf *out_data;
+
+ /*
+ * Give TLS handshake data from the server (if available) to OpenSSL
+ * for processing.
+ */
+ if (in_data && wpabuf_len(in_data) > 0 &&
+ BIO_write(conn->ssl_in, wpabuf_head(in_data), wpabuf_len(in_data))
+ < 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Handshake failed - BIO_write");
+ return NULL;
+ }
+
+ /* Initiate TLS handshake or continue the existing handshake */
+ if (conn->server)
+ res = SSL_accept(conn->ssl);
+ else
+ res = SSL_connect(conn->ssl);
+ if (res != 1) {
+ int err = SSL_get_error(conn->ssl, res);
+ if (err == SSL_ERROR_WANT_READ)
+ wpa_printf(MSG_DEBUG, "SSL: SSL_connect - want "
+ "more data");
+ else if (err == SSL_ERROR_WANT_WRITE)
+ wpa_printf(MSG_DEBUG, "SSL: SSL_connect - want to "
+ "write");
+ else {
+ tls_show_errors(MSG_INFO, __func__, "SSL_connect");
+ conn->failed++;
+ if (!conn->server && !conn->client_hello_generated) {
+ /* The server would not understand TLS Alert
+ * before ClientHello, so simply terminate
+ * handshake on this type of error case caused
+ * by a likely internal error like no ciphers
+ * available. */
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Could not generate ClientHello");
+ conn->write_alerts++;
+ return NULL;
+ }
+ }
+ }
+
+ if (!conn->server && !conn->failed)
+ conn->client_hello_generated = 1;
+
+#ifdef CONFIG_SUITEB
+ if ((conn->flags & TLS_CONN_SUITEB) && !conn->server &&
+ os_strncmp(SSL_get_cipher(conn->ssl), "DHE-", 4) == 0 &&
+ conn->server_dh_prime_len < 3072) {
+ struct tls_context *context = conn->context;
+
+ /*
+ * This should not be reached since earlier cert_cb should have
+ * terminated the handshake. Keep this check here for extra
+ * protection if anything goes wrong with the more low-level
+ * checks based on having to parse the TLS handshake messages.
+ */
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Server DH prime length: %d bits",
+ conn->server_dh_prime_len);
+
+ if (context->event_cb) {
+ union tls_event_data ev;
+
+ os_memset(&ev, 0, sizeof(ev));
+ ev.alert.is_local = 1;
+ ev.alert.type = "fatal";
+ ev.alert.description = "insufficient security";
+ context->event_cb(context->cb_ctx, TLS_ALERT, &ev);
+ }
+ /*
+ * Could send a TLS Alert to the server, but for now, simply
+ * terminate handshake.
+ */
+ conn->failed++;
+ conn->write_alerts++;
+ return NULL;
+ }
+#endif /* CONFIG_SUITEB */
+
+ /* Get the TLS handshake data to be sent to the server */
+ res = BIO_ctrl_pending(conn->ssl_out);
+ wpa_printf(MSG_DEBUG, "SSL: %d bytes pending from ssl_out", res);
+ out_data = wpabuf_alloc(res);
+ if (out_data == NULL) {
+ wpa_printf(MSG_DEBUG, "SSL: Failed to allocate memory for "
+ "handshake output (%d bytes)", res);
+ if (BIO_reset(conn->ssl_out) < 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "BIO_reset failed");
+ }
+ return NULL;
+ }
+ res = res == 0 ? 0 : BIO_read(conn->ssl_out, wpabuf_mhead(out_data),
+ res);
+ if (res < 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Handshake failed - BIO_read");
+ if (BIO_reset(conn->ssl_out) < 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "BIO_reset failed");
+ }
+ wpabuf_free(out_data);
+ return NULL;
+ }
+ wpabuf_put(out_data, res);
+
+ return out_data;
+}
+
+
+static struct wpabuf *
+openssl_get_appl_data(struct tls_connection *conn, size_t max_len)
+{
+ struct wpabuf *appl_data;
+ int res;
+
+ appl_data = wpabuf_alloc(max_len + 100);
+ if (appl_data == NULL)
+ return NULL;
+
+ res = SSL_read(conn->ssl, wpabuf_mhead(appl_data),
+ wpabuf_size(appl_data));
+ if (res < 0) {
+ int err = SSL_get_error(conn->ssl, res);
+ if (err == SSL_ERROR_WANT_READ ||
+ err == SSL_ERROR_WANT_WRITE) {
+ wpa_printf(MSG_DEBUG, "SSL: No Application Data "
+ "included");
+ } else {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to read possible "
+ "Application Data");
+ }
+ wpabuf_free(appl_data);
+ return NULL;
+ }
+
+ wpabuf_put(appl_data, res);
+ wpa_hexdump_buf_key(MSG_MSGDUMP, "SSL: Application Data in Finished "
+ "message", appl_data);
+
+ return appl_data;
+}
+
+
+static struct wpabuf *
+openssl_connection_handshake(struct tls_connection *conn,
+ const struct wpabuf *in_data,
+ struct wpabuf **appl_data)
+{
+ struct wpabuf *out_data;
+
+ if (appl_data)
+ *appl_data = NULL;
+
+ out_data = openssl_handshake(conn, in_data);
+ if (out_data == NULL)
+ return NULL;
+ if (conn->invalid_hb_used) {
+ wpa_printf(MSG_INFO, "TLS: Heartbeat attack detected - do not send response");
+ wpabuf_free(out_data);
+ return NULL;
+ }
+
+ if (SSL_is_init_finished(conn->ssl)) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Handshake finished - resumed=%d",
+ tls_connection_resumed(conn->ssl_ctx, conn));
+ if (conn->server) {
+ char *buf;
+ size_t buflen = 2000;
+
+ buf = os_malloc(buflen);
+ if (buf) {
+ if (SSL_get_shared_ciphers(conn->ssl, buf,
+ buflen)) {
+ buf[buflen - 1] = '\0';
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Shared ciphers: %s",
+ buf);
+ }
+ os_free(buf);
+ }
+ }
+ if (appl_data && in_data)
+ *appl_data = openssl_get_appl_data(conn,
+ wpabuf_len(in_data));
+ }
+
+ if (conn->invalid_hb_used) {
+ wpa_printf(MSG_INFO, "TLS: Heartbeat attack detected - do not send response");
+ if (appl_data) {
+ wpabuf_free(*appl_data);
+ *appl_data = NULL;
+ }
+ wpabuf_free(out_data);
+ return NULL;
+ }
+
+ return out_data;
+}
+
+
+struct wpabuf *
+tls_connection_handshake(void *ssl_ctx, struct tls_connection *conn,
+ const struct wpabuf *in_data,
+ struct wpabuf **appl_data)
+{
+ return openssl_connection_handshake(conn, in_data, appl_data);
+}
+
+
+struct wpabuf * tls_connection_server_handshake(void *tls_ctx,
+ struct tls_connection *conn,
+ const struct wpabuf *in_data,
+ struct wpabuf **appl_data)
+{
+ conn->server = 1;
+ return openssl_connection_handshake(conn, in_data, appl_data);
+}
+
+
+struct wpabuf * tls_connection_encrypt(void *tls_ctx,
+ struct tls_connection *conn,
+ const struct wpabuf *in_data)
+{
+ int res;
+ struct wpabuf *buf;
+
+ if (conn == NULL)
+ return NULL;
+
+ /* Give plaintext data for OpenSSL to encrypt into the TLS tunnel. */
+ if ((res = BIO_reset(conn->ssl_in)) < 0 ||
+ (res = BIO_reset(conn->ssl_out)) < 0) {
+ tls_show_errors(MSG_INFO, __func__, "BIO_reset failed");
+ return NULL;
+ }
+ res = SSL_write(conn->ssl, wpabuf_head(in_data), wpabuf_len(in_data));
+ if (res < 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Encryption failed - SSL_write");
+ return NULL;
+ }
+
+ /* Read encrypted data to be sent to the server */
+ buf = wpabuf_alloc(wpabuf_len(in_data) + 300);
+ if (buf == NULL)
+ return NULL;
+ res = BIO_read(conn->ssl_out, wpabuf_mhead(buf), wpabuf_size(buf));
+ if (res < 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Encryption failed - BIO_read");
+ wpabuf_free(buf);
+ return NULL;
+ }
+ wpabuf_put(buf, res);
+
+ return buf;
+}
+
+
+struct wpabuf * tls_connection_decrypt(void *tls_ctx,
+ struct tls_connection *conn,
+ const struct wpabuf *in_data)
+{
+ int res;
+ struct wpabuf *buf;
+
+ /* Give encrypted data from TLS tunnel for OpenSSL to decrypt. */
+ res = BIO_write(conn->ssl_in, wpabuf_head(in_data),
+ wpabuf_len(in_data));
+ if (res < 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Decryption failed - BIO_write");
+ return NULL;
+ }
+ if (BIO_reset(conn->ssl_out) < 0) {
+ tls_show_errors(MSG_INFO, __func__, "BIO_reset failed");
+ return NULL;
+ }
+
+ /* Read decrypted data for further processing */
+ /*
+ * Even though we try to disable TLS compression, it is possible that
+ * this cannot be done with all TLS libraries. Add extra buffer space
+ * to handle the possibility of the decrypted data being longer than
+ * input data.
+ */
+ buf = wpabuf_alloc((wpabuf_len(in_data) + 500) * 3);
+ if (buf == NULL)
+ return NULL;
+ res = SSL_read(conn->ssl, wpabuf_mhead(buf), wpabuf_size(buf));
+ if (res < 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Decryption failed - SSL_read");
+ wpabuf_free(buf);
+ return NULL;
+ }
+ wpabuf_put(buf, res);
+
+ if (conn->invalid_hb_used) {
+ wpa_printf(MSG_INFO, "TLS: Heartbeat attack detected - do not send response");
+ wpabuf_free(buf);
+ return NULL;
+ }
+
+ return buf;
+}
+
+
+int tls_connection_resumed(void *ssl_ctx, struct tls_connection *conn)
+{
+ return conn ? SSL_session_reused(conn->ssl) : 0;
+}
+
+
+int tls_connection_set_cipher_list(void *tls_ctx, struct tls_connection *conn,
+ u8 *ciphers)
+{
+ char buf[500], *pos, *end;
+ u8 *c;
+ int ret;
+
+ if (conn == NULL || conn->ssl == NULL || ciphers == NULL)
+ return -1;
+
+ buf[0] = '\0';
+ pos = buf;
+ end = pos + sizeof(buf);
+
+ c = ciphers;
+ while (*c != TLS_CIPHER_NONE) {
+ const char *suite;
+
+ switch (*c) {
+ case TLS_CIPHER_RC4_SHA:
+ suite = "RC4-SHA";
+ break;
+ case TLS_CIPHER_AES128_SHA:
+ suite = "AES128-SHA";
+ break;
+ case TLS_CIPHER_RSA_DHE_AES128_SHA:
+ suite = "DHE-RSA-AES128-SHA";
+ break;
+ case TLS_CIPHER_ANON_DH_AES128_SHA:
+ suite = "ADH-AES128-SHA";
+ break;
+ case TLS_CIPHER_RSA_DHE_AES256_SHA:
+ suite = "DHE-RSA-AES256-SHA";
+ break;
+ case TLS_CIPHER_AES256_SHA:
+ suite = "AES256-SHA";
+ break;
+ default:
+ wpa_printf(MSG_DEBUG, "TLS: Unsupported "
+ "cipher selection: %d", *c);
+ return -1;
+ }
+ ret = os_snprintf(pos, end - pos, ":%s", suite);
+ if (os_snprintf_error(end - pos, ret))
+ break;
+ pos += ret;
+
+ c++;
+ }
+ if (!buf[0]) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: No ciphers listed");
+ return -1;
+ }
+
+ wpa_printf(MSG_DEBUG, "OpenSSL: cipher suites: %s", buf + 1);
+
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+#ifdef EAP_FAST_OR_TEAP
+ if (os_strstr(buf, ":ADH-")) {
+ /*
+ * Need to drop to security level 0 to allow anonymous
+ * cipher suites for EAP-FAST.
+ */
+ SSL_set_security_level(conn->ssl, 0);
+ } else if (SSL_get_security_level(conn->ssl) == 0) {
+ /* Force at least security level 1 */
+ SSL_set_security_level(conn->ssl, 1);
+ }
+#endif /* EAP_FAST_OR_TEAP */
+#endif
+
+ if (SSL_set_cipher_list(conn->ssl, buf + 1) != 1) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Cipher suite configuration failed");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+int tls_get_version(void *ssl_ctx, struct tls_connection *conn,
+ char *buf, size_t buflen)
+{
+ const char *name;
+ if (conn == NULL || conn->ssl == NULL)
+ return -1;
+
+ name = SSL_get_version(conn->ssl);
+ if (name == NULL)
+ return -1;
+
+ os_strlcpy(buf, name, buflen);
+ return 0;
+}
+
+
+int tls_get_cipher(void *ssl_ctx, struct tls_connection *conn,
+ char *buf, size_t buflen)
+{
+ const char *name;
+ if (conn == NULL || conn->ssl == NULL)
+ return -1;
+
+ name = SSL_get_cipher(conn->ssl);
+ if (name == NULL)
+ return -1;
+
+ os_strlcpy(buf, name, buflen);
+ return 0;
+}
+
+
+int tls_connection_enable_workaround(void *ssl_ctx,
+ struct tls_connection *conn)
+{
+ SSL_set_options(conn->ssl, SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS);
+
+ return 0;
+}
+
+
+#ifdef EAP_FAST_OR_TEAP
+/* ClientHello TLS extensions require a patch to openssl, so this function is
+ * commented out unless explicitly needed for EAP-FAST in order to be able to
+ * build this file with unmodified openssl. */
+int tls_connection_client_hello_ext(void *ssl_ctx, struct tls_connection *conn,
+ int ext_type, const u8 *data,
+ size_t data_len)
+{
+ if (conn == NULL || conn->ssl == NULL || ext_type != 35)
+ return -1;
+
+ if (SSL_set_session_ticket_ext(conn->ssl, (void *) data,
+ data_len) != 1)
+ return -1;
+
+ return 0;
+}
+#endif /* EAP_FAST_OR_TEAP */
+
+
+int tls_connection_get_failed(void *ssl_ctx, struct tls_connection *conn)
+{
+ if (conn == NULL)
+ return -1;
+ return conn->failed;
+}
+
+
+int tls_connection_get_read_alerts(void *ssl_ctx, struct tls_connection *conn)
+{
+ if (conn == NULL)
+ return -1;
+ return conn->read_alerts;
+}
+
+
+int tls_connection_get_write_alerts(void *ssl_ctx, struct tls_connection *conn)
+{
+ if (conn == NULL)
+ return -1;
+ return conn->write_alerts;
+}
+
+
+#ifdef HAVE_OCSP
+
+static void ocsp_debug_print_resp(OCSP_RESPONSE *rsp)
+{
+#ifndef CONFIG_NO_STDOUT_DEBUG
+ BIO *out;
+ size_t rlen;
+ char *txt;
+ int res;
+
+ if (wpa_debug_level > MSG_DEBUG)
+ return;
+
+ out = BIO_new(BIO_s_mem());
+ if (!out)
+ return;
+
+ OCSP_RESPONSE_print(out, rsp, 0);
+ rlen = BIO_ctrl_pending(out);
+ txt = os_malloc(rlen + 1);
+ if (!txt) {
+ BIO_free(out);
+ return;
+ }
+
+ res = BIO_read(out, txt, rlen);
+ if (res > 0) {
+ txt[res] = '\0';
+ wpa_printf(MSG_DEBUG, "OpenSSL: OCSP Response\n%s", txt);
+ }
+ os_free(txt);
+ BIO_free(out);
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+}
+
+
+static void debug_print_cert(X509 *cert, const char *title)
+{
+#ifndef CONFIG_NO_STDOUT_DEBUG
+ BIO *out;
+ size_t rlen;
+ char *txt;
+ int res;
+
+ if (wpa_debug_level > MSG_DEBUG)
+ return;
+
+ out = BIO_new(BIO_s_mem());
+ if (!out)
+ return;
+
+ X509_print(out, cert);
+ rlen = BIO_ctrl_pending(out);
+ txt = os_malloc(rlen + 1);
+ if (!txt) {
+ BIO_free(out);
+ return;
+ }
+
+ res = BIO_read(out, txt, rlen);
+ if (res > 0) {
+ txt[res] = '\0';
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s\n%s", title, txt);
+ }
+ os_free(txt);
+
+ BIO_free(out);
+#endif /* CONFIG_NO_STDOUT_DEBUG */
+}
+
+
+static int ocsp_resp_cb(SSL *s, void *arg)
+{
+ struct tls_connection *conn = arg;
+ const unsigned char *p;
+ int len, status, reason, res;
+ OCSP_RESPONSE *rsp;
+ OCSP_BASICRESP *basic;
+ OCSP_CERTID *id;
+ ASN1_GENERALIZEDTIME *produced_at, *this_update, *next_update;
+ X509_STORE *store;
+ STACK_OF(X509) *certs = NULL;
+
+ len = SSL_get_tlsext_status_ocsp_resp(s, &p);
+ if (!p) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: No OCSP response received");
+ return (conn->flags & TLS_CONN_REQUIRE_OCSP) ? 0 : 1;
+ }
+
+ wpa_hexdump(MSG_DEBUG, "OpenSSL: OCSP response", p, len);
+
+ rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
+ if (!rsp) {
+ wpa_printf(MSG_INFO, "OpenSSL: Failed to parse OCSP response");
+ return 0;
+ }
+
+ ocsp_debug_print_resp(rsp);
+
+ status = OCSP_response_status(rsp);
+ if (status != OCSP_RESPONSE_STATUS_SUCCESSFUL) {
+ wpa_printf(MSG_INFO, "OpenSSL: OCSP responder error %d (%s)",
+ status, OCSP_response_status_str(status));
+ return 0;
+ }
+
+ basic = OCSP_response_get1_basic(rsp);
+ if (!basic) {
+ wpa_printf(MSG_INFO, "OpenSSL: Could not find BasicOCSPResponse");
+ return 0;
+ }
+
+ store = SSL_CTX_get_cert_store(conn->ssl_ctx);
+ if (conn->peer_issuer) {
+ debug_print_cert(conn->peer_issuer, "Add OCSP issuer");
+
+ if (X509_STORE_add_cert(store, conn->peer_issuer) != 1) {
+ tls_show_errors(MSG_INFO, __func__,
+ "OpenSSL: Could not add issuer to certificate store");
+ }
+ certs = sk_X509_new_null();
+ if (certs) {
+ X509 *cert;
+ cert = X509_dup(conn->peer_issuer);
+ if (cert && !sk_X509_push(certs, cert)) {
+ tls_show_errors(
+ MSG_INFO, __func__,
+ "OpenSSL: Could not add issuer to OCSP responder trust store");
+ X509_free(cert);
+ sk_X509_free(certs);
+ certs = NULL;
+ }
+ if (certs && conn->peer_issuer_issuer) {
+ cert = X509_dup(conn->peer_issuer_issuer);
+ if (cert && !sk_X509_push(certs, cert)) {
+ tls_show_errors(
+ MSG_INFO, __func__,
+ "OpenSSL: Could not add issuer's issuer to OCSP responder trust store");
+ X509_free(cert);
+ }
+ }
+ }
+ }
+
+ status = OCSP_basic_verify(basic, certs, store, OCSP_TRUSTOTHER);
+ sk_X509_pop_free(certs, X509_free);
+ if (status <= 0) {
+ tls_show_errors(MSG_INFO, __func__,
+ "OpenSSL: OCSP response failed verification");
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(rsp);
+ return 0;
+ }
+
+ wpa_printf(MSG_DEBUG, "OpenSSL: OCSP response verification succeeded");
+
+ if (!conn->peer_cert) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Peer certificate not available for OCSP status check");
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(rsp);
+ return 0;
+ }
+
+ if (!conn->peer_issuer) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Peer issuer certificate not available for OCSP status check");
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(rsp);
+ return 0;
+ }
+
+ id = OCSP_cert_to_id(EVP_sha256(), conn->peer_cert, conn->peer_issuer);
+ if (!id) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Could not create OCSP certificate identifier (SHA256)");
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(rsp);
+ return 0;
+ }
+
+ res = OCSP_resp_find_status(basic, id, &status, &reason, &produced_at,
+ &this_update, &next_update);
+ if (!res) {
+ OCSP_CERTID_free(id);
+ id = OCSP_cert_to_id(NULL, conn->peer_cert, conn->peer_issuer);
+ if (!id) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Could not create OCSP certificate identifier (SHA1)");
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(rsp);
+ return 0;
+ }
+
+ res = OCSP_resp_find_status(basic, id, &status, &reason,
+ &produced_at, &this_update,
+ &next_update);
+ }
+
+ if (!res) {
+ wpa_printf(MSG_INFO, "OpenSSL: Could not find current server certificate from OCSP response%s",
+ (conn->flags & TLS_CONN_REQUIRE_OCSP) ? "" :
+ " (OCSP not required)");
+ OCSP_CERTID_free(id);
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(rsp);
+ return (conn->flags & TLS_CONN_REQUIRE_OCSP) ? 0 : 1;
+ }
+ OCSP_CERTID_free(id);
+
+ if (!OCSP_check_validity(this_update, next_update, 5 * 60, -1)) {
+ tls_show_errors(MSG_INFO, __func__,
+ "OpenSSL: OCSP status times invalid");
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(rsp);
+ return 0;
+ }
+
+ OCSP_BASICRESP_free(basic);
+ OCSP_RESPONSE_free(rsp);
+
+ wpa_printf(MSG_DEBUG, "OpenSSL: OCSP status for server certificate: %s",
+ OCSP_cert_status_str(status));
+
+ if (status == V_OCSP_CERTSTATUS_GOOD)
+ return 1;
+ if (status == V_OCSP_CERTSTATUS_REVOKED)
+ return 0;
+ if (conn->flags & TLS_CONN_REQUIRE_OCSP) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: OCSP status unknown, but OCSP required");
+ return 0;
+ }
+ wpa_printf(MSG_DEBUG, "OpenSSL: OCSP status unknown, but OCSP was not required, so allow connection to continue");
+ return 1;
+}
+
+
+static int ocsp_status_cb(SSL *s, void *arg)
+{
+ char *tmp;
+ char *resp;
+ size_t len;
+
+ if (tls_global->ocsp_stapling_response == NULL) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: OCSP status callback - no response configured");
+ return SSL_TLSEXT_ERR_OK;
+ }
+
+ resp = os_readfile(tls_global->ocsp_stapling_response, &len);
+ if (resp == NULL) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: OCSP status callback - could not read response file");
+ /* TODO: Build OCSPResponse with responseStatus = internalError
+ */
+ return SSL_TLSEXT_ERR_OK;
+ }
+ wpa_printf(MSG_DEBUG, "OpenSSL: OCSP status callback - send cached response");
+ tmp = OPENSSL_malloc(len);
+ if (tmp == NULL) {
+ os_free(resp);
+ return SSL_TLSEXT_ERR_ALERT_FATAL;
+ }
+
+ os_memcpy(tmp, resp, len);
+ os_free(resp);
+ SSL_set_tlsext_status_ocsp_resp(s, tmp, len);
+
+ return SSL_TLSEXT_ERR_OK;
+}
+
+#endif /* HAVE_OCSP */
+
+
+int tls_connection_set_params(void *tls_ctx, struct tls_connection *conn,
+ const struct tls_connection_params *params)
+{
+ struct tls_data *data = tls_ctx;
+ int ret;
+ unsigned long err;
+ int can_pkcs11 = 0;
+ const char *key_id = params->key_id;
+ const char *cert_id = params->cert_id;
+ const char *ca_cert_id = params->ca_cert_id;
+ const char *engine_id = params->engine ? params->engine_id : NULL;
+ const char *ciphers;
+
+ if (conn == NULL)
+ return -1;
+
+ if (params->flags & TLS_CONN_REQUIRE_OCSP_ALL) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: ocsp=3 not supported");
+ return -1;
+ }
+
+ /*
+ * If the engine isn't explicitly configured, and any of the
+ * cert/key fields are actually PKCS#11 URIs, then automatically
+ * use the PKCS#11 ENGINE.
+ */
+ if (!engine_id || os_strcmp(engine_id, "pkcs11") == 0)
+ can_pkcs11 = 1;
+
+ if (!key_id && params->private_key && can_pkcs11 &&
+ os_strncmp(params->private_key, "pkcs11:", 7) == 0) {
+ can_pkcs11 = 2;
+ key_id = params->private_key;
+ }
+
+ if (!cert_id && params->client_cert && can_pkcs11 &&
+ os_strncmp(params->client_cert, "pkcs11:", 7) == 0) {
+ can_pkcs11 = 2;
+ cert_id = params->client_cert;
+ }
+
+ if (!ca_cert_id && params->ca_cert && can_pkcs11 &&
+ os_strncmp(params->ca_cert, "pkcs11:", 7) == 0) {
+ can_pkcs11 = 2;
+ ca_cert_id = params->ca_cert;
+ }
+
+ /* If we need to automatically enable the PKCS#11 ENGINE, do so. */
+ if (can_pkcs11 == 2 && !engine_id)
+ engine_id = "pkcs11";
+
+#if defined(EAP_FAST) || defined(EAP_FAST_DYNAMIC) || defined(EAP_SERVER_FAST)
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || defined(LIBRESSL_VERSION_NUMBER)
+ if (params->flags & TLS_CONN_EAP_FAST) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Use TLSv1_method() for EAP-FAST");
+ if (SSL_set_ssl_method(conn->ssl, TLSv1_method()) != 1) {
+ tls_show_errors(MSG_INFO, __func__,
+ "Failed to set TLSv1_method() for EAP-FAST");
+ return -1;
+ }
+ }
+#endif
+#if OPENSSL_VERSION_NUMBER >= 0x10101000L
+#ifdef SSL_OP_NO_TLSv1_3
+ if (params->flags & TLS_CONN_EAP_FAST) {
+ /* Need to disable TLS v1.3 at least for now since OpenSSL 1.1.1
+ * refuses to start the handshake with the modified ciphersuite
+ * list (no TLS v1.3 ciphersuites included) for EAP-FAST. */
+ wpa_printf(MSG_DEBUG, "OpenSSL: Disable TLSv1.3 for EAP-FAST");
+ SSL_set_options(conn->ssl, SSL_OP_NO_TLSv1_3);
+ }
+#endif /* SSL_OP_NO_TLSv1_3 */
+#endif
+#endif /* EAP_FAST || EAP_FAST_DYNAMIC || EAP_SERVER_FAST */
+
+ while ((err = ERR_get_error())) {
+ wpa_printf(MSG_INFO, "%s: Clearing pending SSL error: %s",
+ __func__, ERR_error_string(err, NULL));
+ }
+
+ if (engine_id) {
+ wpa_printf(MSG_DEBUG, "SSL: Initializing TLS engine");
+ ret = tls_engine_init(conn, engine_id, params->pin,
+ key_id, cert_id, ca_cert_id);
+ if (ret)
+ return ret;
+ }
+ if (tls_connection_set_subject_match(conn,
+ params->subject_match,
+ params->altsubject_match,
+ params->suffix_match,
+ params->domain_match,
+ params->check_cert_subject))
+ return -1;
+
+ if (engine_id && ca_cert_id) {
+ if (tls_connection_engine_ca_cert(data, conn, ca_cert_id))
+ return TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED;
+ } else if (tls_connection_ca_cert(data, conn, params->ca_cert,
+ params->ca_cert_blob,
+ params->ca_cert_blob_len,
+ params->ca_path))
+ return -1;
+
+ if (engine_id && cert_id) {
+ if (tls_connection_engine_client_cert(conn, cert_id))
+ return TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED;
+ } else if (tls_connection_client_cert(conn, params->client_cert,
+ params->client_cert_blob,
+ params->client_cert_blob_len))
+ return -1;
+
+ if (engine_id && key_id) {
+ wpa_printf(MSG_DEBUG, "TLS: Using private key from engine");
+ if (tls_connection_engine_private_key(conn))
+ return TLS_SET_PARAMS_ENGINE_PRV_VERIFY_FAILED;
+ } else if (tls_connection_private_key(data, conn,
+ params->private_key,
+ params->private_key_passwd,
+ params->private_key_blob,
+ params->private_key_blob_len)) {
+ wpa_printf(MSG_INFO, "TLS: Failed to load private key '%s'",
+ params->private_key);
+ return -1;
+ }
+
+ if (tls_connection_dh(conn, params->dh_file)) {
+ wpa_printf(MSG_INFO, "TLS: Failed to load DH file '%s'",
+ params->dh_file);
+ return -1;
+ }
+
+ ciphers = params->openssl_ciphers;
+#ifdef CONFIG_SUITEB
+#ifdef OPENSSL_IS_BORINGSSL
+ if (ciphers && os_strcmp(ciphers, "SUITEB192") == 0) {
+ /* BoringSSL removed support for SUITEB192, so need to handle
+ * this with hardcoded ciphersuite and additional checks for
+ * other parameters. */
+ ciphers = "ECDHE-ECDSA-AES256-GCM-SHA384";
+ }
+#endif /* OPENSSL_IS_BORINGSSL */
+#endif /* CONFIG_SUITEB */
+ if (ciphers && SSL_set_cipher_list(conn->ssl, ciphers) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set cipher string '%s'",
+ ciphers);
+ return -1;
+ }
+
+ if (!params->openssl_ecdh_curves) {
+#ifndef OPENSSL_IS_BORINGSSL
+#ifndef OPENSSL_NO_EC
+#if (OPENSSL_VERSION_NUMBER >= 0x10002000L) && \
+ (OPENSSL_VERSION_NUMBER < 0x10100000L)
+ if (SSL_set_ecdh_auto(conn->ssl, 1) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set ECDH curves to auto");
+ return -1;
+ }
+#endif /* >= 1.0.2 && < 1.1.0 */
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_IS_BORINGSSL */
+ } else if (params->openssl_ecdh_curves[0]) {
+#if defined(OPENSSL_IS_BORINGSSL) || (OPENSSL_VERSION_NUMBER < 0x10002000L)
+ wpa_printf(MSG_INFO,
+ "OpenSSL: ECDH configuration nnot supported");
+ return -1;
+#else /* OPENSSL_IS_BORINGSSL || < 1.0.2 */
+#ifndef OPENSSL_NO_EC
+ if (SSL_set1_curves_list(conn->ssl,
+ params->openssl_ecdh_curves) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set ECDH curves '%s'",
+ params->openssl_ecdh_curves);
+ return -1;
+ }
+#else /* OPENSSL_NO_EC */
+ wpa_printf(MSG_INFO, "OpenSSL: ECDH not supported");
+ return -1;
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_IS_BORINGSSL */
+ }
+
+ if (tls_set_conn_flags(conn, params->flags,
+ params->openssl_ciphers) < 0)
+ return -1;
+
+#ifdef OPENSSL_IS_BORINGSSL
+ if (params->flags & TLS_CONN_REQUEST_OCSP) {
+ SSL_enable_ocsp_stapling(conn->ssl);
+ }
+#else /* OPENSSL_IS_BORINGSSL */
+#ifdef HAVE_OCSP
+ if (params->flags & TLS_CONN_REQUEST_OCSP) {
+ SSL_CTX *ssl_ctx = data->ssl;
+ SSL_set_tlsext_status_type(conn->ssl, TLSEXT_STATUSTYPE_ocsp);
+ SSL_CTX_set_tlsext_status_cb(ssl_ctx, ocsp_resp_cb);
+ SSL_CTX_set_tlsext_status_arg(ssl_ctx, conn);
+ }
+#else /* HAVE_OCSP */
+ if (params->flags & TLS_CONN_REQUIRE_OCSP) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: No OCSP support included - reject configuration");
+ return -1;
+ }
+ if (params->flags & TLS_CONN_REQUEST_OCSP) {
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: No OCSP support included - allow optional OCSP case to continue");
+ }
+#endif /* HAVE_OCSP */
+#endif /* OPENSSL_IS_BORINGSSL */
+
+ conn->flags = params->flags;
+
+ tls_get_errors(data);
+
+ return 0;
+}
+
+
+static void openssl_debug_dump_cipher_list(SSL_CTX *ssl_ctx)
+{
+ SSL *ssl;
+ int i;
+
+ ssl = SSL_new(ssl_ctx);
+ if (!ssl)
+ return;
+
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Enabled cipher suites in priority order");
+ for (i = 0; ; i++) {
+ const char *cipher;
+
+ cipher = SSL_get_cipher_list(ssl, i);
+ if (!cipher)
+ break;
+ wpa_printf(MSG_DEBUG, "Cipher %d: %s", i, cipher);
+ }
+
+ SSL_free(ssl);
+}
+
+
+#if !defined(LIBRESSL_VERSION_NUMBER) && !defined(BORINGSSL_API_VERSION)
+
+static const char * openssl_pkey_type_str(const EVP_PKEY *pkey)
+{
+ if (!pkey)
+ return "NULL";
+ switch (EVP_PKEY_type(EVP_PKEY_id(pkey))) {
+ case EVP_PKEY_RSA:
+ return "RSA";
+ case EVP_PKEY_DSA:
+ return "DSA";
+ case EVP_PKEY_DH:
+ return "DH";
+ case EVP_PKEY_EC:
+ return "EC";
+ }
+ return "?";
+}
+
+
+static void openssl_debug_dump_certificate(int i, X509 *cert)
+{
+ char buf[256];
+ EVP_PKEY *pkey;
+ ASN1_INTEGER *ser;
+ char serial_num[128];
+
+ X509_NAME_oneline(X509_get_subject_name(cert), buf, sizeof(buf));
+
+ ser = X509_get_serialNumber(cert);
+ if (ser)
+ wpa_snprintf_hex_uppercase(serial_num, sizeof(serial_num),
+ ASN1_STRING_get0_data(ser),
+ ASN1_STRING_length(ser));
+ else
+ serial_num[0] = '\0';
+
+ pkey = X509_get_pubkey(cert);
+ wpa_printf(MSG_DEBUG, "%d: %s (%s) %s", i, buf,
+ openssl_pkey_type_str(pkey), serial_num);
+ EVP_PKEY_free(pkey);
+}
+
+
+static void openssl_debug_dump_certificates(SSL_CTX *ssl_ctx)
+{
+ STACK_OF(X509) *certs;
+
+ wpa_printf(MSG_DEBUG, "OpenSSL: Configured certificate chain");
+ if (SSL_CTX_get0_chain_certs(ssl_ctx, &certs) == 1) {
+ int i;
+
+ for (i = sk_X509_num(certs); i > 0; i--)
+ openssl_debug_dump_certificate(i, sk_X509_value(certs,
+ i - 1));
+ }
+ openssl_debug_dump_certificate(0, SSL_CTX_get0_certificate(ssl_ctx));
+}
+
+#endif
+
+
+static void openssl_debug_dump_certificate_chains(SSL_CTX *ssl_ctx)
+{
+#if !defined(LIBRESSL_VERSION_NUMBER) && !defined(BORINGSSL_API_VERSION)
+ int res;
+
+ for (res = SSL_CTX_set_current_cert(ssl_ctx, SSL_CERT_SET_FIRST);
+ res == 1;
+ res = SSL_CTX_set_current_cert(ssl_ctx, SSL_CERT_SET_NEXT))
+ openssl_debug_dump_certificates(ssl_ctx);
+
+ SSL_CTX_set_current_cert(ssl_ctx, SSL_CERT_SET_FIRST);
+#endif
+}
+
+
+static void openssl_debug_dump_ctx(SSL_CTX *ssl_ctx)
+{
+ openssl_debug_dump_cipher_list(ssl_ctx);
+ openssl_debug_dump_certificate_chains(ssl_ctx);
+}
+
+
+int tls_global_set_params(void *tls_ctx,
+ const struct tls_connection_params *params)
+{
+ struct tls_data *data = tls_ctx;
+ SSL_CTX *ssl_ctx = data->ssl;
+ unsigned long err;
+
+ while ((err = ERR_get_error())) {
+ wpa_printf(MSG_INFO, "%s: Clearing pending SSL error: %s",
+ __func__, ERR_error_string(err, NULL));
+ }
+
+ os_free(data->check_cert_subject);
+ data->check_cert_subject = NULL;
+ if (params->check_cert_subject) {
+ data->check_cert_subject =
+ os_strdup(params->check_cert_subject);
+ if (!data->check_cert_subject)
+ return -1;
+ }
+
+ if (tls_global_ca_cert(data, params->ca_cert) ||
+ tls_global_client_cert(data, params->client_cert) ||
+ tls_global_private_key(data, params->private_key,
+ params->private_key_passwd) ||
+ tls_global_client_cert(data, params->client_cert2) ||
+ tls_global_private_key(data, params->private_key2,
+ params->private_key_passwd2) ||
+ tls_global_dh(data, params->dh_file)) {
+ wpa_printf(MSG_INFO, "TLS: Failed to set global parameters");
+ return -1;
+ }
+
+ if (params->openssl_ciphers &&
+ SSL_CTX_set_cipher_list(ssl_ctx, params->openssl_ciphers) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set cipher string '%s'",
+ params->openssl_ciphers);
+ return -1;
+ }
+
+ if (!params->openssl_ecdh_curves) {
+#ifndef OPENSSL_IS_BORINGSSL
+#ifndef OPENSSL_NO_EC
+#if (OPENSSL_VERSION_NUMBER >= 0x10002000L) && \
+ (OPENSSL_VERSION_NUMBER < 0x10100000L)
+ if (SSL_CTX_set_ecdh_auto(ssl_ctx, 1) != 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set ECDH curves to auto");
+ return -1;
+ }
+#endif /* >= 1.0.2 && < 1.1.0 */
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_IS_BORINGSSL */
+ } else if (params->openssl_ecdh_curves[0]) {
+#if defined(OPENSSL_IS_BORINGSSL) || (OPENSSL_VERSION_NUMBER < 0x10002000L)
+ wpa_printf(MSG_INFO,
+ "OpenSSL: ECDH configuration nnot supported");
+ return -1;
+#else /* OPENSSL_IS_BORINGSSL || < 1.0.2 */
+#ifndef OPENSSL_NO_EC
+#if OPENSSL_VERSION_NUMBER < 0x10100000L
+ SSL_CTX_set_ecdh_auto(ssl_ctx, 1);
+#endif
+ if (SSL_CTX_set1_curves_list(ssl_ctx,
+ params->openssl_ecdh_curves) !=
+ 1) {
+ wpa_printf(MSG_INFO,
+ "OpenSSL: Failed to set ECDH curves '%s'",
+ params->openssl_ecdh_curves);
+ return -1;
+ }
+#else /* OPENSSL_NO_EC */
+ wpa_printf(MSG_INFO, "OpenSSL: ECDH not supported");
+ return -1;
+#endif /* OPENSSL_NO_EC */
+#endif /* OPENSSL_IS_BORINGSSL */
+ }
+
+#ifdef SSL_OP_NO_TICKET
+ if (params->flags & TLS_CONN_DISABLE_SESSION_TICKET)
+ SSL_CTX_set_options(ssl_ctx, SSL_OP_NO_TICKET);
+ else
+ SSL_CTX_clear_options(ssl_ctx, SSL_OP_NO_TICKET);
+#endif /* SSL_OP_NO_TICKET */
+
+#ifdef HAVE_OCSP
+ SSL_CTX_set_tlsext_status_cb(ssl_ctx, ocsp_status_cb);
+ SSL_CTX_set_tlsext_status_arg(ssl_ctx, ssl_ctx);
+ os_free(tls_global->ocsp_stapling_response);
+ if (params->ocsp_stapling_response)
+ tls_global->ocsp_stapling_response =
+ os_strdup(params->ocsp_stapling_response);
+ else
+ tls_global->ocsp_stapling_response = NULL;
+#endif /* HAVE_OCSP */
+
+ openssl_debug_dump_ctx(ssl_ctx);
+
+ return 0;
+}
+
+
+#ifdef EAP_FAST_OR_TEAP
+/* Pre-shared secred requires a patch to openssl, so this function is
+ * commented out unless explicitly needed for EAP-FAST in order to be able to
+ * build this file with unmodified openssl. */
+
+#if (defined(OPENSSL_IS_BORINGSSL) || OPENSSL_VERSION_NUMBER >= 0x10100000L) && !defined(LIBRESSL_VERSION_NUMBER)
+static int tls_sess_sec_cb(SSL *s, void *secret, int *secret_len,
+ STACK_OF(SSL_CIPHER) *peer_ciphers,
+ const SSL_CIPHER **cipher, void *arg)
+#else /* OPENSSL_IS_BORINGSSL */
+static int tls_sess_sec_cb(SSL *s, void *secret, int *secret_len,
+ STACK_OF(SSL_CIPHER) *peer_ciphers,
+ SSL_CIPHER **cipher, void *arg)
+#endif /* OPENSSL_IS_BORINGSSL */
+{
+ struct tls_connection *conn = arg;
+ int ret;
+
+#if OPENSSL_VERSION_NUMBER < 0x10100000L || \
+ (defined(LIBRESSL_VERSION_NUMBER) && \
+ LIBRESSL_VERSION_NUMBER < 0x20700000L)
+ if (conn == NULL || conn->session_ticket_cb == NULL)
+ return 0;
+
+ ret = conn->session_ticket_cb(conn->session_ticket_cb_ctx,
+ conn->session_ticket,
+ conn->session_ticket_len,
+ s->s3->client_random,
+ s->s3->server_random, secret);
+#else
+ unsigned char client_random[SSL3_RANDOM_SIZE];
+ unsigned char server_random[SSL3_RANDOM_SIZE];
+
+ if (conn == NULL || conn->session_ticket_cb == NULL)
+ return 0;
+
+ SSL_get_client_random(s, client_random, sizeof(client_random));
+ SSL_get_server_random(s, server_random, sizeof(server_random));
+
+ ret = conn->session_ticket_cb(conn->session_ticket_cb_ctx,
+ conn->session_ticket,
+ conn->session_ticket_len,
+ client_random,
+ server_random, secret);
+#endif
+
+ os_free(conn->session_ticket);
+ conn->session_ticket = NULL;
+
+ if (ret <= 0)
+ return 0;
+
+ *secret_len = SSL_MAX_MASTER_KEY_LENGTH;
+ return 1;
+}
+
+
+static int tls_session_ticket_ext_cb(SSL *s, const unsigned char *data,
+ int len, void *arg)
+{
+ struct tls_connection *conn = arg;
+
+ if (conn == NULL || conn->session_ticket_cb == NULL)
+ return 0;
+
+ wpa_printf(MSG_DEBUG, "OpenSSL: %s: length=%d", __func__, len);
+
+ os_free(conn->session_ticket);
+ conn->session_ticket = NULL;
+
+ wpa_hexdump(MSG_DEBUG, "OpenSSL: ClientHello SessionTicket "
+ "extension", data, len);
+
+ conn->session_ticket = os_memdup(data, len);
+ if (conn->session_ticket == NULL)
+ return 0;
+
+ conn->session_ticket_len = len;
+
+ return 1;
+}
+#endif /* EAP_FAST_OR_TEAP */
+
+
+int tls_connection_set_session_ticket_cb(void *tls_ctx,
+ struct tls_connection *conn,
+ tls_session_ticket_cb cb,
+ void *ctx)
+{
+#ifdef EAP_FAST_OR_TEAP
+ conn->session_ticket_cb = cb;
+ conn->session_ticket_cb_ctx = ctx;
+
+ if (cb) {
+ if (SSL_set_session_secret_cb(conn->ssl, tls_sess_sec_cb,
+ conn) != 1)
+ return -1;
+ SSL_set_session_ticket_ext_cb(conn->ssl,
+ tls_session_ticket_ext_cb, conn);
+ } else {
+ if (SSL_set_session_secret_cb(conn->ssl, NULL, NULL) != 1)
+ return -1;
+ SSL_set_session_ticket_ext_cb(conn->ssl, NULL, NULL);
+ }
+
+ return 0;
+#else /* EAP_FAST_OR_TEAP */
+ return -1;
+#endif /* EAP_FAST_OR_TEAP */
+}
+
+
+int tls_get_library_version(char *buf, size_t buf_len)
+{
+#if OPENSSL_VERSION_NUMBER >= 0x10100000L && !defined(LIBRESSL_VERSION_NUMBER)
+ return os_snprintf(buf, buf_len, "OpenSSL build=%s run=%s",
+ OPENSSL_VERSION_TEXT,
+ OpenSSL_version(OPENSSL_VERSION));
+#else
+ return os_snprintf(buf, buf_len, "OpenSSL build=%s run=%s",
+ OPENSSL_VERSION_TEXT,
+ SSLeay_version(SSLEAY_VERSION));
+#endif
+}
+
+
+void tls_connection_set_success_data(struct tls_connection *conn,
+ struct wpabuf *data)
+{
+ SSL_SESSION *sess;
+ struct wpabuf *old;
+
+ if (tls_ex_idx_session < 0)
+ goto fail;
+ sess = SSL_get_session(conn->ssl);
+ if (!sess)
+ goto fail;
+ old = SSL_SESSION_get_ex_data(sess, tls_ex_idx_session);
+ if (old) {
+ wpa_printf(MSG_DEBUG, "OpenSSL: Replacing old success data %p",
+ old);
+ wpabuf_free(old);
+ }
+ if (SSL_SESSION_set_ex_data(sess, tls_ex_idx_session, data) != 1)
+ goto fail;
+
+ wpa_printf(MSG_DEBUG, "OpenSSL: Stored success data %p", data);
+ conn->success_data = 1;
+ return;
+
+fail:
+ wpa_printf(MSG_INFO, "OpenSSL: Failed to store success data");
+ wpabuf_free(data);
+}
+
+
+void tls_connection_set_success_data_resumed(struct tls_connection *conn)
+{
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Success data accepted for resumed session");
+ conn->success_data = 1;
+}
+
+
+const struct wpabuf *
+tls_connection_get_success_data(struct tls_connection *conn)
+{
+ SSL_SESSION *sess;
+
+ if (tls_ex_idx_session < 0 ||
+ !(sess = SSL_get_session(conn->ssl)))
+ return NULL;
+ return SSL_SESSION_get_ex_data(sess, tls_ex_idx_session);
+}
+
+
+void tls_connection_remove_session(struct tls_connection *conn)
+{
+ SSL_SESSION *sess;
+
+ sess = SSL_get_session(conn->ssl);
+ if (!sess)
+ return;
+
+ if (SSL_CTX_remove_session(conn->ssl_ctx, sess) != 1)
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Session was not cached");
+ else
+ wpa_printf(MSG_DEBUG,
+ "OpenSSL: Removed cached session to disable session resumption");
+}
+
+
+int tls_get_tls_unique(struct tls_connection *conn, u8 *buf, size_t max_len)
+{
+ size_t len;
+ int reused;
+
+ reused = SSL_session_reused(conn->ssl);
+ if ((conn->server && !reused) || (!conn->server && reused))
+ len = SSL_get_peer_finished(conn->ssl, buf, max_len);
+ else
+ len = SSL_get_finished(conn->ssl, buf, max_len);
+
+ if (len == 0 || len > max_len)
+ return -1;
+
+ return len;
+}
+
+
+u16 tls_connection_get_cipher_suite(struct tls_connection *conn)
+{
+ const SSL_CIPHER *cipher;
+
+ cipher = SSL_get_current_cipher(conn->ssl);
+ if (!cipher)
+ return 0;
+#if OPENSSL_VERSION_NUMBER >= 0x10101000L && !defined(LIBRESSL_VERSION_NUMBER)
+ return SSL_CIPHER_get_protocol_id(cipher);
+#else
+ return SSL_CIPHER_get_id(cipher) & 0xFFFF;
+#endif
+}
Index: wpa_supplicant-2.9-new/src/crypto
===================================================================
--- wpa_supplicant-2.9-new/src/crypto (nonexistent)
+++ wpa_supplicant-2.9-new/src/crypto (revision 5)
Property changes on: wpa_supplicant-2.9-new/src/crypto
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: wpa_supplicant-2.9-new/src
===================================================================
--- wpa_supplicant-2.9-new/src (nonexistent)
+++ wpa_supplicant-2.9-new/src (revision 5)
Property changes on: wpa_supplicant-2.9-new/src
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: wpa_supplicant-2.9-new
===================================================================
--- wpa_supplicant-2.9-new (nonexistent)
+++ wpa_supplicant-2.9-new (revision 5)
Property changes on: wpa_supplicant-2.9-new
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: .
===================================================================
--- . (nonexistent)
+++ . (revision 5)
Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Radix cross Linux
The main Radix cross Linux repository contains the build scripts of packages, which have the most complete and common functionality for desktop machines
452 Commits
2 Branches
1 Tag