* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
#ifdef USE_CYASSL
+#define WOLFSSL_OPTIONS_IGNORE_SYS
+/* CyaSSL's version.h, which should contain only the version, should come
+before all other CyaSSL includes and be immediately followed by build config
+aka options.h. http://curl.haxx.se/mail/lib-2015-04/0069.html */
+#include <cyassl/version.h>
+#if defined(HAVE_CYASSL_OPTIONS_H) && (LIBCYASSL_VERSION_HEX > 0x03004008)
+#if defined(CYASSL_API) || defined(WOLFSSL_API)
+/* Safety measure. If either is defined some API include was already included
+and that's a problem since options.h hasn't been included yet. */
+#error "CyaSSL API was included before the CyaSSL build options."
+#endif
+#include <cyassl/options.h>
+#endif
+
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#include "connect.h" /* for the connect timeout */
#include "select.h"
#include "rawstr.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-#include "curl_memory.h"
+#include "x509asn1.h"
+#include "curl_printf.h"
#include <cyassl/ssl.h>
#ifdef HAVE_CYASSL_ERROR_SSL_H
#include <cyassl/error.h>
#endif
#include <cyassl/ctaocrypt/random.h>
+#include <cyassl/ctaocrypt/sha256.h>
-/* The last #include file should be: */
+/* The last #include files should be: */
+#include "curl_memory.h"
#include "memdebug.h"
+#if LIBCYASSL_VERSION_HEX < 0x02007002 /* < 2.7.2 */
+#define CYASSL_MAX_ERROR_SZ 80
+#endif
+
static Curl_recv cyassl_recv;
static Curl_send cyassl_send;
cyassl_connect_step1(struct connectdata *conn,
int sockindex)
{
+ char error_buffer[CYASSL_MAX_ERROR_SZ];
struct SessionHandle *data = conn->data;
struct ssl_connect_data* conssl = &conn->ssl[sockindex];
SSL_METHOD* req_method = NULL;
void* ssl_sessionid = NULL;
curl_socket_t sockfd = conn->sock[sockindex];
+#ifdef HAVE_SNI
+ bool sni = FALSE;
+#define use_sni(x) sni = (x)
+#else
+#define use_sni(x) Curl_nop_stmt
+#endif
if(conssl->state == ssl_connection_complete)
return CURLE_OK;
- /* CyaSSL doesn't support SSLv2 */
- if(data->set.ssl.version == CURL_SSLVERSION_SSLv2) {
- failf(data, "CyaSSL does not support SSLv2");
- return CURLE_SSL_CONNECT_ERROR;
- }
-
/* check to see if we've been told to use an explicit SSL/TLS version */
switch(data->set.ssl.version) {
- default:
case CURL_SSLVERSION_DEFAULT:
case CURL_SSLVERSION_TLSv1:
- infof(data, "CyaSSL cannot be configured to use TLS 1.0-1.2, "
+#if LIBCYASSL_VERSION_HEX >= 0x03003000 /* >= 3.3.0 */
+ /* minimum protocol version is set later after the CTX object is created */
+ req_method = SSLv23_client_method();
+#else
+ infof(data, "CyaSSL <3.3.0 cannot be configured to use TLS 1.0-1.2, "
"TLS 1.0 is used exclusively\n");
req_method = TLSv1_client_method();
+#endif
+ use_sni(TRUE);
break;
case CURL_SSLVERSION_TLSv1_0:
req_method = TLSv1_client_method();
+ use_sni(TRUE);
break;
case CURL_SSLVERSION_TLSv1_1:
req_method = TLSv1_1_client_method();
+ use_sni(TRUE);
break;
case CURL_SSLVERSION_TLSv1_2:
req_method = TLSv1_2_client_method();
+ use_sni(TRUE);
break;
case CURL_SSLVERSION_SSLv3:
req_method = SSLv3_client_method();
+ use_sni(FALSE);
break;
+ case CURL_SSLVERSION_SSLv2:
+ failf(data, "CyaSSL does not support SSLv2");
+ return CURLE_SSL_CONNECT_ERROR;
+ default:
+ failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+ return CURLE_SSL_CONNECT_ERROR;
}
if(!req_method) {
return CURLE_OUT_OF_MEMORY;
}
+ switch(data->set.ssl.version) {
+ case CURL_SSLVERSION_DEFAULT:
+ case CURL_SSLVERSION_TLSv1:
+#if LIBCYASSL_VERSION_HEX > 0x03004006 /* > 3.4.6 */
+ /* Versions 3.3.0 to 3.4.6 we know the minimum protocol version is whatever
+ minimum version of TLS was built in and at least TLS 1.0. For later library
+ versions that could change (eg TLS 1.0 built in but defaults to TLS 1.1) so
+ we have this short circuit evaluation to find the minimum supported TLS
+ version. We use wolfSSL_CTX_SetMinVersion and not CyaSSL_SetMinVersion
+ because only the former will work before the user's CTX callback is called.
+ */
+ if((wolfSSL_CTX_SetMinVersion(conssl->ctx, WOLFSSL_TLSV1) != 1) &&
+ (wolfSSL_CTX_SetMinVersion(conssl->ctx, WOLFSSL_TLSV1_1) != 1) &&
+ (wolfSSL_CTX_SetMinVersion(conssl->ctx, WOLFSSL_TLSV1_2) != 1)) {
+ failf(data, "SSL: couldn't set the minimum protocol version");
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+#endif
+ break;
+ }
+
#ifndef NO_FILESYSTEM
/* load trusted cacert */
if(data->set.str[STRING_SSL_CAFILE]) {
- if(!SSL_CTX_load_verify_locations(conssl->ctx,
- data->set.str[STRING_SSL_CAFILE],
- data->set.str[STRING_SSL_CAPATH])) {
+ if(1 != SSL_CTX_load_verify_locations(conssl->ctx,
+ data->set.str[STRING_SSL_CAFILE],
+ data->set.str[STRING_SSL_CAPATH])) {
if(data->set.ssl.verifypeer) {
/* Fail if we insist on successfully verifying the server. */
- failf(data,"error setting certificate verify locations:\n"
+ failf(data, "error setting certificate verify locations:\n"
" CAfile: %s\n CApath: %s",
data->set.str[STRING_SSL_CAFILE]?
data->set.str[STRING_SSL_CAFILE]: "none",
return CURLE_SSL_CONNECT_ERROR;
}
}
-#else
- if(CyaSSL_no_filesystem_verify(conssl->ctx)!= SSL_SUCCESS) {
- return CURLE_SSL_CONNECT_ERROR;
- }
-#endif /* NO_FILESYSTEM */
+#endif /* !NO_FILESYSTEM */
/* SSL always tries to verify the peer, this only says whether it should
* fail to connect if the verification fails, or if it should continue
data->set.ssl.verifypeer?SSL_VERIFY_PEER:SSL_VERIFY_NONE,
NULL);
+#ifdef HAVE_SNI
+ if(sni) {
+ struct in_addr addr4;
+#ifdef ENABLE_IPV6
+ struct in6_addr addr6;
+#endif
+ size_t hostname_len = strlen(conn->host.name);
+ if((hostname_len < USHRT_MAX) &&
+ (0 == Curl_inet_pton(AF_INET, conn->host.name, &addr4)) &&
+#ifdef ENABLE_IPV6
+ (0 == Curl_inet_pton(AF_INET6, conn->host.name, &addr6)) &&
+#endif
+ (CyaSSL_CTX_UseSNI(conssl->ctx, CYASSL_SNI_HOST_NAME, conn->host.name,
+ (unsigned short)hostname_len) != 1)) {
+ infof(data, "WARNING: failed to configure server name indication (SNI) "
+ "TLS extension\n");
+ }
+ }
+#endif
+
+ /* give application a chance to interfere with SSL set up. */
+ if(data->set.ssl.fsslctx) {
+ CURLcode result = CURLE_OK;
+ result = (*data->set.ssl.fsslctx)(data, conssl->ctx,
+ data->set.ssl.fsslctxp);
+ if(result) {
+ failf(data, "error signaled by ssl ctx callback");
+ return result;
+ }
+ }
+#ifdef NO_FILESYSTEM
+ else if(data->set.ssl.verifypeer) {
+ failf(data, "SSL: Certificates couldn't be loaded because CyaSSL was built"
+ " with \"no filesystem\". Either disable peer verification"
+ " (insecure) or if you are building an application with libcurl you"
+ " can load certificates via CURLOPT_SSL_CTX_FUNCTION.");
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+#endif
+
/* Let's make an SSL structure */
if(conssl->handle)
SSL_free(conssl->handle);
/* we got a session id, use it! */
if(!SSL_set_session(conssl->handle, ssl_sessionid)) {
failf(data, "SSL: SSL_set_session failed: %s",
- ERR_error_string(SSL_get_error(conssl->handle, 0),NULL));
+ ERR_error_string(SSL_get_error(conssl->handle, 0), error_buffer));
return CURLE_SSL_CONNECT_ERROR;
}
/* Informational message */
struct SessionHandle *data = conn->data;
struct ssl_connect_data* conssl = &conn->ssl[sockindex];
- infof(data, "CyaSSL: Connecting to %s:%d\n",
- conn->host.name, conn->remote_port);
-
conn->recv[sockindex] = cyassl_recv;
conn->send[sockindex] = cyassl_send;
ret = SSL_connect(conssl->handle);
if(ret != 1) {
- char error_buffer[80];
+ char error_buffer[CYASSL_MAX_ERROR_SZ];
int detail = SSL_get_error(conssl->handle, ret);
if(SSL_ERROR_WANT_READ == detail) {
}
}
+ if(data->set.str[STRING_SSL_PINNEDPUBLICKEY]) {
+ X509 *x509;
+ const char *x509_der;
+ int x509_der_len;
+ curl_X509certificate x509_parsed;
+ curl_asn1Element *pubkey;
+ CURLcode result;
+
+ x509 = SSL_get_peer_certificate(conssl->handle);
+ if(!x509) {
+ failf(data, "SSL: failed retrieving server certificate");
+ return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+ }
+
+ x509_der = (const char *)CyaSSL_X509_get_der(x509, &x509_der_len);
+ if(!x509_der) {
+ failf(data, "SSL: failed retrieving ASN.1 server certificate");
+ return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+ }
+
+ memset(&x509_parsed, 0, sizeof x509_parsed);
+ Curl_parseX509(&x509_parsed, x509_der, x509_der + x509_der_len);
+
+ pubkey = &x509_parsed.subjectPublicKeyInfo;
+ if(!pubkey->header || pubkey->end <= pubkey->header) {
+ failf(data, "SSL: failed retrieving public key from server certificate");
+ return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+ }
+
+ result = Curl_pin_peer_pubkey(data->set.str[STRING_SSL_PINNEDPUBLICKEY],
+ (const unsigned char *)pubkey->header,
+ (size_t)(pubkey->end - pubkey->header));
+ if(result) {
+ failf(data, "SSL: public key does not match pinned public key!");
+ return result;
+ }
+ }
+
conssl->connecting_state = ssl_connect_3;
infof(data, "SSL connected\n");
size_t len,
CURLcode *curlcode)
{
- char error_buffer[80];
+ char error_buffer[CYASSL_MAX_ERROR_SZ];
int memlen = (len > (size_t)INT_MAX) ? INT_MAX : (int)len;
int rc = SSL_write(conn->ssl[sockindex].handle, mem, memlen);
return rc;
}
-void Curl_cyassl_close_all(struct SessionHandle *data)
-{
- (void)data;
-}
-
void Curl_cyassl_close(struct connectdata *conn, int sockindex)
{
struct ssl_connect_data *conssl = &conn->ssl[sockindex];
size_t buffersize,
CURLcode *curlcode)
{
- char error_buffer[80];
+ char error_buffer[CYASSL_MAX_ERROR_SZ];
int buffsize = (buffersize > (size_t)INT_MAX) ? INT_MAX : (int)buffersize;
int nread = SSL_read(conn->ssl[num].handle, buf, buffsize);
size_t Curl_cyassl_version(char *buffer, size_t size)
{
-#ifdef CYASSL_VERSION
+#ifdef WOLFSSL_VERSION
+ return snprintf(buffer, size, "wolfSSL/%s", WOLFSSL_VERSION);
+#elif defined(CYASSL_VERSION)
return snprintf(buffer, size, "CyaSSL/%s", CYASSL_VERSION);
#else
return snprintf(buffer, size, "CyaSSL/%s", "<1.8.8");
int Curl_cyassl_init(void)
{
- if(CyaSSL_Init() == 0)
- return 1;
-
- return -1;
+ return (CyaSSL_Init() == SSL_SUCCESS);
}
(void)data;
if(InitRng(&rng))
return 1;
- if(RNG_GenerateBlock(&rng, entropy, length))
+ if(length > UINT_MAX)
+ return 1;
+ if(RNG_GenerateBlock(&rng, entropy, (unsigned)length))
return 1;
return 0;
}
+void Curl_cyassl_sha256sum(const unsigned char *tmp, /* input */
+ size_t tmplen,
+ unsigned char *sha256sum /* output */,
+ size_t unused)
+{
+ Sha256 SHA256pw;
+ (void)unused;
+ InitSha256(&SHA256pw);
+ Sha256Update(&SHA256pw, tmp, tmplen);
+ Sha256Final(&SHA256pw, sha256sum);
+}
+
#endif
projects / platform / upstream / curl.git / blobdiff