* \___|\___/|_| \_\_____|
*
* Copyright (C) 2010 - 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
- * Copyright (C) 2012 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2012 - 2014, 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
/*
* Source file for all PolarSSL-specific code for the TLS/SSL layer. No code
- * but sslgen.c should ever call or use these functions.
+ * but vtls.c should ever call or use these functions.
*
*/
#include <polarssl/x509.h>
#include <polarssl/version.h>
-#if POLARSSL_VERSION_NUMBER >= 0x01000000
-#include <polarssl/error.h>
-#endif /* POLARSSL_VERSION_NUMBER >= 0x01000000 */
+#if POLARSSL_VERSION_NUMBER < 0x01030000
+#error too old PolarSSL
+#endif
-#if POLARSSL_VERSION_NUMBER>0x01010000
+#include <polarssl/error.h>
#include <polarssl/entropy.h>
#include <polarssl/ctr_drbg.h>
-#else
-#include <polarssl/havege.h>
-#endif /* POLARSSL_VERSION_NUMBER>0x01010000 */
-
-
-#if POLARSSL_VERSION_NUMBER<0x01000000
-/*
- Earlier versions of polarssl had no WANT_READ or WANT_WRITE, only TRY_AGAIN
-*/
-#define POLARSSL_ERR_NET_WANT_READ POLARSSL_ERR_NET_TRY_AGAIN
-#define POLARSSL_ERR_NET_WANT_WRITE POLARSSL_ERR_NET_TRY_AGAIN
-#endif
#include "urldata.h"
#include "sendf.h"
#include "inet_pton.h"
#include "polarssl.h"
-#include "sslgen.h"
+#include "vtls.h"
#include "parsedate.h"
#include "connect.h" /* for the connect timeout */
#include "select.h"
#define THREADING_SUPPORT
#endif
-#if defined(THREADING_SUPPORT) && POLARSSL_VERSION_NUMBER>0x01010000
+#if defined(THREADING_SUPPORT)
static entropy_context entropy;
static int entropy_init_initialized = 0;
}
/* end of entropy_func_mutex() */
-#endif /* THREADING_SUPPORT && POLARSSL_VERSION_NUMBER>0x01010000 */
+#endif /* THREADING_SUPPORT */
/* Define this to enable lots of debugging for PolarSSL */
#undef POLARSSL_DEBUG
#ifdef POLARSSL_DEBUG
-static void polarssl_debug(void *context, int level, char *line)
+static void polarssl_debug(void *context, int level, const char *line)
{
struct SessionHandle *data = NULL;
data = (struct SessionHandle *)context;
- infof(data, "%s\n", line);
+ infof(data, "%s", line);
+ (void) level;
}
#else
#endif
+/* ALPN for http2? */
+#ifdef USE_NGHTTP2
+# undef HAS_ALPN
+# ifdef POLARSSL_SSL_ALPN
+# define HAS_ALPN
+# endif
+#endif
+
static Curl_recv polarssl_recv;
static Curl_send polarssl_send;
#endif
void *old_session = NULL;
size_t old_session_size = 0;
-
char errorbuf[128];
- memset(errorbuf, 0, sizeof(errorbuf));
-
+ errorbuf[0]=0;
/* PolarSSL only supports SSLv3 and TLSv1 */
if(data->set.ssl.version == CURL_SSLVERSION_SSLv2) {
else if(data->set.ssl.version == CURL_SSLVERSION_SSLv3)
sni = FALSE; /* SSLv3 has no SNI */
-#if POLARSSL_VERSION_NUMBER<0x01010000
- havege_init(&connssl->hs);
-#else
#ifdef THREADING_SUPPORT
entropy_init_mutex(&entropy);
-ret, errorbuf);
}
#endif /* THREADING_SUPPORT */
-#endif /* POLARSSL_VERSION_NUMBER<0x01010000 */
/* Load the trusted CA */
- memset(&connssl->cacert, 0, sizeof(x509_cert));
+ memset(&connssl->cacert, 0, sizeof(x509_crt));
if(data->set.str[STRING_SSL_CAFILE]) {
- ret = x509parse_crtfile(&connssl->cacert,
- data->set.str[STRING_SSL_CAFILE]);
+ ret = x509_crt_parse_file(&connssl->cacert,
+ data->set.str[STRING_SSL_CAFILE]);
if(ret<0) {
#ifdef POLARSSL_ERROR_C
}
}
+ if(data->set.str[STRING_SSL_CAPATH]) {
+ ret = x509_crt_parse_path(&connssl->cacert,
+ data->set.str[STRING_SSL_CAPATH]);
+
+ if(ret<0) {
+#ifdef POLARSSL_ERROR_C
+ error_strerror(ret, errorbuf, sizeof(errorbuf));
+#endif /* POLARSSL_ERROR_C */
+ failf(data, "Error reading ca cert path %s - PolarSSL: (-0x%04X) %s",
+ data->set.str[STRING_SSL_CAPATH], -ret, errorbuf);
+
+ if(data->set.ssl.verifypeer)
+ return CURLE_SSL_CACERT_BADFILE;
+ }
+ }
+
/* Load the client certificate */
- memset(&connssl->clicert, 0, sizeof(x509_cert));
+ memset(&connssl->clicert, 0, sizeof(x509_crt));
if(data->set.str[STRING_CERT]) {
- ret = x509parse_crtfile(&connssl->clicert,
- data->set.str[STRING_CERT]);
+ ret = x509_crt_parse_file(&connssl->clicert,
+ data->set.str[STRING_CERT]);
if(ret) {
#ifdef POLARSSL_ERROR_C
/* Load the client private key */
if(data->set.str[STRING_KEY]) {
- ret = x509parse_keyfile(&connssl->rsa,
- data->set.str[STRING_KEY],
- data->set.str[STRING_KEY_PASSWD]);
+ pk_context pk;
+ pk_init(&pk);
+ ret = pk_parse_keyfile(&pk, data->set.str[STRING_KEY],
+ data->set.str[STRING_KEY_PASSWD]);
+ if(ret == 0 && !pk_can_do(&pk, POLARSSL_PK_RSA))
+ ret = POLARSSL_ERR_PK_TYPE_MISMATCH;
+ if(ret == 0)
+ rsa_copy(&connssl->rsa, pk_rsa(pk));
+ else
+ rsa_free(&connssl->rsa);
+ pk_free(&pk);
if(ret) {
#ifdef POLARSSL_ERROR_C
memset(&connssl->crl, 0, sizeof(x509_crl));
if(data->set.str[STRING_SSL_CRLFILE]) {
- ret = x509parse_crlfile(&connssl->crl,
- data->set.str[STRING_SSL_CRLFILE]);
+ ret = x509_crl_parse_file(&connssl->crl,
+ data->set.str[STRING_SSL_CRLFILE]);
if(ret) {
#ifdef POLARSSL_ERROR_C
return CURLE_SSL_CONNECT_ERROR;
}
+ switch(data->set.ssl.version) {
+ default:
+ case CURL_SSLVERSION_DEFAULT:
+ ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
+ SSL_MINOR_VERSION_1);
+ break;
+ case CURL_SSLVERSION_SSLv3:
+ ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
+ SSL_MINOR_VERSION_0);
+ infof(data, "PolarSSL: Forced min. SSL Version to be SSLv3\n");
+ break;
+ case CURL_SSLVERSION_TLSv1_0:
+ ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
+ SSL_MINOR_VERSION_1);
+ infof(data, "PolarSSL: Forced min. SSL Version to be TLS 1.0\n");
+ break;
+ case CURL_SSLVERSION_TLSv1_1:
+ ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
+ SSL_MINOR_VERSION_2);
+ infof(data, "PolarSSL: Forced min. SSL Version to be TLS 1.1\n");
+ break;
+ case CURL_SSLVERSION_TLSv1_2:
+ ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
+ SSL_MINOR_VERSION_3);
+ infof(data, "PolarSSL: Forced min. SSL Version to be TLS 1.2\n");
+ break;
+ }
+
ssl_set_endpoint(&connssl->ssl, SSL_IS_CLIENT);
ssl_set_authmode(&connssl->ssl, SSL_VERIFY_OPTIONAL);
-#if POLARSSL_VERSION_NUMBER<0x01010000
- ssl_set_rng(&connssl->ssl, havege_rand,
- &connssl->hs);
-#else
ssl_set_rng(&connssl->ssl, ctr_drbg_random,
&connssl->ctr_drbg);
-#endif /* POLARSSL_VERSION_NUMBER<0x01010000 */
ssl_set_bio(&connssl->ssl,
net_recv, &conn->sock[sockindex],
net_send, &conn->sock[sockindex]);
-
-#if POLARSSL_VERSION_NUMBER<0x01000000
- ssl_set_ciphers(&connssl->ssl, ssl_default_ciphers);
-#else
- ssl_set_ciphersuites(&connssl->ssl, ssl_default_ciphersuites);
-#endif
+ ssl_set_ciphersuites(&connssl->ssl, ssl_list_ciphersuites());
if(!Curl_ssl_getsessionid(conn, &old_session, &old_session_size)) {
memcpy(&connssl->ssn, old_session, old_session_size);
infof(data, "PolarSSL re-using session\n");
}
-/* PolarSSL SVN revision r1316 to r1317, matching <1.2.0 is to cover Ubuntu's
- 1.1.4 version and the like */
-#if POLARSSL_VERSION_NUMBER<0x01020000
- ssl_set_session(&connssl->ssl, 1, 600,
- &connssl->ssn);
-#else
ssl_set_session(&connssl->ssl,
&connssl->ssn);
-#endif
ssl_set_ca_chain(&connssl->ssl,
&connssl->cacert,
&connssl->crl,
conn->host.name);
- ssl_set_own_cert(&connssl->ssl,
- &connssl->clicert, &connssl->rsa);
+ ssl_set_own_cert_rsa(&connssl->ssl,
+ &connssl->clicert, &connssl->rsa);
if(!Curl_inet_pton(AF_INET, conn->host.name, &addr) &&
#ifdef ENABLE_IPV6
"server name indication (SNI) TLS extension\n");
}
+#ifdef HAS_ALPN
+ if(data->set.httpversion == CURL_HTTP_VERSION_2_0) {
+ if(data->set.ssl_enable_alpn) {
+ static const char* protocols[] = {
+ NGHTTP2_PROTO_VERSION_ID, ALPN_HTTP_1_1, NULL
+ };
+ ssl_set_alpn_protocols(&connssl->ssl, protocols);
+ infof(data, "ALPN, offering %s, %s\n", protocols[0],
+ protocols[1]);
+ connssl->asked_for_h2 = TRUE;
+ }
+ }
+#endif
+
#ifdef POLARSSL_DEBUG
ssl_set_dbg(&connssl->ssl, polarssl_debug, data);
#endif
struct ssl_connect_data* connssl = &conn->ssl[sockindex];
char buffer[1024];
+#ifdef HAS_ALPN
+ const char* next_protocol;
+#endif
+
char errorbuf[128];
- memset(errorbuf, 0, sizeof(errorbuf));
+ errorbuf[0] = 0;
conn->recv[sockindex] = polarssl_recv;
conn->send[sockindex] = polarssl_send;
}
infof(data, "PolarSSL: Handshake complete, cipher is %s\n",
-#if POLARSSL_VERSION_NUMBER<0x01000000
- ssl_get_cipher(&conn->ssl[sockindex].ssl)
-#elif POLARSSL_VERSION_NUMBER >= 0x01010000
ssl_get_ciphersuite(&conn->ssl[sockindex].ssl)
-#else
- ssl_get_ciphersuite_name(&conn->ssl[sockindex].ssl)
-#endif
);
ret = ssl_get_verify_result(&conn->ssl[sockindex].ssl);
return CURLE_PEER_FAILED_VERIFICATION;
}
-/* PolarSSL SVN revision r1316 to r1317, matching <1.2.0 is to cover Ubuntu's
- 1.1.4 version and the like */
-#if POLARSSL_VERSION_NUMBER<0x01020000
- if(conn->ssl[sockindex].ssl.peer_cert) {
-#else
if(ssl_get_peer_cert(&(connssl->ssl))) {
-#endif
/* If the session was resumed, there will be no peer certs */
memset(buffer, 0, sizeof(buffer));
-/* PolarSSL SVN revision r1316 to r1317, matching <1.2.0 is to cover Ubuntu's
- 1.1.4 version and the like */
-#if POLARSSL_VERSION_NUMBER<0x01020000
- if(x509parse_cert_info(buffer, sizeof(buffer), (char *)"* ",
- conn->ssl[sockindex].ssl.peer_cert) != -1)
-#else
- if(x509parse_cert_info(buffer, sizeof(buffer), (char *)"* ",
- ssl_get_peer_cert(&(connssl->ssl))) != -1)
-#endif
+ if(x509_crt_info(buffer, sizeof(buffer), (char *)"* ",
+ ssl_get_peer_cert(&(connssl->ssl))) != -1)
infof(data, "Dumping cert info:\n%s\n", buffer);
}
+#ifdef HAS_ALPN
+ if(data->set.ssl_enable_alpn) {
+ next_protocol = ssl_get_alpn_protocol(&connssl->ssl);
+
+ if(next_protocol != NULL) {
+ infof(data, "ALPN, server accepted to use %s\n", next_protocol);
+
+ if(strncmp(next_protocol, NGHTTP2_PROTO_VERSION_ID,
+ NGHTTP2_PROTO_VERSION_ID_LEN)) {
+ conn->negnpn = NPN_HTTP2;
+ }
+ else if(strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) {
+ conn->negnpn = NPN_HTTP1_1;
+ }
+ }
+ else if(connssl->asked_for_h2) {
+ infof(data, "ALPN, server did not agree to a protocol\n");
+ }
+ }
+#endif
+
connssl->connecting_state = ssl_connect_3;
infof(data, "SSL connected\n");
polarssl_connect_step3(struct connectdata *conn,
int sockindex)
{
- CURLcode retcode = CURLE_OK;
+ CURLcode result = CURLE_OK;
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
struct SessionHandle *data = conn->data;
void *old_ssl_sessionid = NULL;
ssl_session *our_ssl_sessionid = &conn->ssl[sockindex].ssn ;
- int incache;
+ bool incache;
DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
incache = FALSE;
}
}
+
if(!incache) {
void *new_session = malloc(sizeof(ssl_session));
if(new_session) {
- memcpy(new_session, our_ssl_sessionid,
- sizeof(ssl_session));
+ memcpy(new_session, our_ssl_sessionid, sizeof(ssl_session));
- retcode = Curl_ssl_addsessionid(conn, new_session,
- sizeof(ssl_session));
- }
- else {
- retcode = CURLE_OUT_OF_MEMORY;
+ result = Curl_ssl_addsessionid(conn, new_session, sizeof(ssl_session));
}
+ else
+ result = CURLE_OUT_OF_MEMORY;
- if(retcode) {
+ if(result) {
failf(data, "failed to store ssl session");
- return retcode;
+ return result;
}
}
void Curl_polarssl_close(struct connectdata *conn, int sockindex)
{
rsa_free(&conn->ssl[sockindex].rsa);
- x509_free(&conn->ssl[sockindex].clicert);
- x509_free(&conn->ssl[sockindex].cacert);
+ x509_crt_free(&conn->ssl[sockindex].clicert);
+ x509_crt_free(&conn->ssl[sockindex].cacert);
x509_crl_free(&conn->ssl[sockindex].crl);
ssl_free(&conn->ssl[sockindex].ssl);
}
bool nonblocking,
bool *done)
{
- CURLcode retcode;
+ CURLcode result;
struct SessionHandle *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
curl_socket_t sockfd = conn->sock[sockindex];
return CURLE_OK;
}
- if(ssl_connect_1==connssl->connecting_state) {
+ if(ssl_connect_1 == connssl->connecting_state) {
/* Find out how much more time we're allowed */
timeout_ms = Curl_timeleft(data, NULL, TRUE);
failf(data, "SSL connection timeout");
return CURLE_OPERATION_TIMEDOUT;
}
- retcode = polarssl_connect_step1(conn, sockindex);
- if(retcode)
- return retcode;
+
+ result = polarssl_connect_step1(conn, sockindex);
+ if(result)
+ return result;
}
while(ssl_connect_2 == connssl->connecting_state ||
}
/* if ssl is expecting something, check if it's available. */
- if(connssl->connecting_state == ssl_connect_2_reading
- || connssl->connecting_state == ssl_connect_2_writing) {
+ if(connssl->connecting_state == ssl_connect_2_reading ||
+ connssl->connecting_state == ssl_connect_2_writing) {
curl_socket_t writefd = ssl_connect_2_writing==
connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
* ensuring that a client using select() or epoll() will always
* have a valid fdset to wait on.
*/
- retcode = polarssl_connect_step2(conn, sockindex);
- if(retcode || (nonblocking &&
- (ssl_connect_2 == connssl->connecting_state ||
- ssl_connect_2_reading == connssl->connecting_state ||
- ssl_connect_2_writing == connssl->connecting_state)))
- return retcode;
+ result = polarssl_connect_step2(conn, sockindex);
+ if(result || (nonblocking &&
+ (ssl_connect_2 == connssl->connecting_state ||
+ ssl_connect_2_reading == connssl->connecting_state ||
+ ssl_connect_2_writing == connssl->connecting_state)))
+ return result;
} /* repeat step2 until all transactions are done. */
- if(ssl_connect_3==connssl->connecting_state) {
- retcode = polarssl_connect_step3(conn, sockindex);
- if(retcode)
- return retcode;
+ if(ssl_connect_3 == connssl->connecting_state) {
+ result = polarssl_connect_step3(conn, sockindex);
+ if(result)
+ return result;
}
- if(ssl_connect_done==connssl->connecting_state) {
+ if(ssl_connect_done == connssl->connecting_state) {
connssl->state = ssl_connection_complete;
conn->recv[sockindex] = polarssl_recv;
conn->send[sockindex] = polarssl_send;
Curl_polarssl_connect(struct connectdata *conn,
int sockindex)
{
- CURLcode retcode;
+ CURLcode result;
bool done = FALSE;
- retcode = polarssl_connect_common(conn, sockindex, FALSE, &done);
- if(retcode)
- return retcode;
+ result = polarssl_connect_common(conn, sockindex, FALSE, &done);
+ if(result)
+ return result;
DEBUGASSERT(done);
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