* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
+ * Copyright (C) 2012 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 2010 - 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
- * Copyright (C) 2012 - 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
- * are also available at http://curl.haxx.se/docs/copyright.html.
+ * are also available at https://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
#include <polarssl/certs.h>
#include <polarssl/x509.h>
#include <polarssl/version.h>
+#include <polarssl/sha256.h>
#if POLARSSL_VERSION_NUMBER < 0x01030000
#error too old PolarSSL
#include "parsedate.h"
#include "connect.h" /* for the connect timeout */
#include "select.h"
-#include "rawstr.h"
+#include "strcase.h"
#include "polarssl_threadlock.h"
#include "curl_printf.h"
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
+/* See https://tls.mbed.org/discussions/generic/
+ howto-determine-exact-buffer-len-for-mbedtls_pk_write_pubkey_der
+*/
+#define RSA_PUB_DER_MAX_BYTES (38 + 2 * POLARSSL_MPI_MAX_SIZE)
+#define ECP_PUB_DER_MAX_BYTES (30 + 2 * POLARSSL_ECP_MAX_BYTES)
+
+#define PUB_DER_MAX_BYTES (RSA_PUB_DER_MAX_BYTES > ECP_PUB_DER_MAX_BYTES ? \
+ RSA_PUB_DER_MAX_BYTES : ECP_PUB_DER_MAX_BYTES)
+
/* apply threading? */
#if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
#define THREADING_SUPPORT
#endif
+#ifndef POLARSSL_ERROR_C
+#define error_strerror(x,y,z)
+#endif /* POLARSSL_ERROR_C */
+
+
#if defined(THREADING_SUPPORT)
static entropy_context entropy;
static void entropy_init_mutex(entropy_context *ctx)
{
/* lock 0 = entropy_init_mutex() */
- polarsslthreadlock_lock_function(0);
+ Curl_polarsslthreadlock_lock_function(0);
if(entropy_init_initialized == 0) {
entropy_init(ctx);
entropy_init_initialized = 1;
}
- polarsslthreadlock_unlock_function(0);
+ Curl_polarsslthreadlock_unlock_function(0);
}
/* end of entropy_init_mutex() */
/* start of entropy_func_mutex() */
static int entropy_func_mutex(void *data, unsigned char *output, size_t len)
{
- int ret;
- /* lock 1 = entropy_func_mutex() */
- polarsslthreadlock_lock_function(1);
- ret = entropy_func(data, output, len);
- polarsslthreadlock_unlock_function(1);
+ int ret;
+ /* lock 1 = entropy_func_mutex() */
+ Curl_polarsslthreadlock_lock_function(1);
+ ret = entropy_func(data, output, len);
+ Curl_polarsslthreadlock_unlock_function(1);
- return ret;
+ return ret;
}
/* end of entropy_func_mutex() */
#ifdef POLARSSL_DEBUG
static void polarssl_debug(void *context, int level, const char *line)
{
- struct SessionHandle *data = NULL;
+ struct Curl_easy *data = NULL;
if(!context)
return;
- data = (struct SessionHandle *)context;
+ data = (struct Curl_easy *)context;
infof(data, "%s", line);
(void) level;
static CURLcode
polarssl_connect_step1(struct connectdata *conn,
- int sockindex)
+ int sockindex)
{
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct ssl_connect_data* connssl = &conn->ssl[sockindex];
-
- bool sni = TRUE; /* default is SNI enabled */
+ const char *capath = SSL_CONN_CONFIG(CApath);
+ const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
+ conn->host.name;
+ const long int port = SSL_IS_PROXY() ? conn->port : conn->remote_port;
int ret = -1;
-#ifdef ENABLE_IPV6
- struct in6_addr addr;
-#else
- struct in_addr addr;
-#endif
- void *old_session = NULL;
- size_t old_session_size = 0;
char errorbuf[128];
errorbuf[0]=0;
/* PolarSSL only supports SSLv3 and TLSv1 */
- if(data->set.ssl.version == CURL_SSLVERSION_SSLv2) {
+ if(SSL_CONN_CONFIG(version) == CURL_SSLVERSION_SSLv2) {
failf(data, "PolarSSL does not support SSLv2");
return CURLE_SSL_CONNECT_ERROR;
}
- else if(data->set.ssl.version == CURL_SSLVERSION_SSLv3)
- sni = FALSE; /* SSLv3 has no SNI */
#ifdef THREADING_SUPPORT
entropy_init_mutex(&entropy);
if((ret = ctr_drbg_init(&connssl->ctr_drbg, entropy_func_mutex, &entropy,
- connssl->ssn.id, connssl->ssn.length)) != 0) {
-#ifdef POLARSSL_ERROR_C
- error_strerror(ret, errorbuf, sizeof(errorbuf));
-#endif /* POLARSSL_ERROR_C */
- failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
- -ret, errorbuf);
+ NULL, 0)) != 0) {
+ error_strerror(ret, errorbuf, sizeof(errorbuf));
+ failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
+ -ret, errorbuf);
}
#else
entropy_init(&connssl->entropy);
if((ret = ctr_drbg_init(&connssl->ctr_drbg, entropy_func, &connssl->entropy,
- connssl->ssn.id, connssl->ssn.length)) != 0) {
-#ifdef POLARSSL_ERROR_C
- error_strerror(ret, errorbuf, sizeof(errorbuf));
-#endif /* POLARSSL_ERROR_C */
- failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
- -ret, errorbuf);
+ NULL, 0)) != 0) {
+ error_strerror(ret, errorbuf, sizeof(errorbuf));
+ failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
+ -ret, errorbuf);
}
#endif /* THREADING_SUPPORT */
/* Load the trusted CA */
memset(&connssl->cacert, 0, sizeof(x509_crt));
- if(data->set.str[STRING_SSL_CAFILE]) {
+ if(SSL_CONN_CONFIG(CAfile)) {
ret = x509_crt_parse_file(&connssl->cacert,
- data->set.str[STRING_SSL_CAFILE]);
+ SSL_CONN_CONFIG(CAfile));
if(ret<0) {
-#ifdef POLARSSL_ERROR_C
error_strerror(ret, errorbuf, sizeof(errorbuf));
-#endif /* POLARSSL_ERROR_C */
failf(data, "Error reading ca cert file %s - PolarSSL: (-0x%04X) %s",
- data->set.str[STRING_SSL_CAFILE], -ret, errorbuf);
+ SSL_CONN_CONFIG(CAfile), -ret, errorbuf);
- if(data->set.ssl.verifypeer)
+ if(SSL_CONN_CONFIG(verifypeer))
return CURLE_SSL_CACERT_BADFILE;
}
}
- if(data->set.str[STRING_SSL_CAPATH]) {
- ret = x509_crt_parse_path(&connssl->cacert,
- data->set.str[STRING_SSL_CAPATH]);
+ if(capath) {
+ ret = x509_crt_parse_path(&connssl->cacert, 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);
+ capath, -ret, errorbuf);
- if(data->set.ssl.verifypeer)
+ if(SSL_CONN_CONFIG(verifypeer))
return CURLE_SSL_CACERT_BADFILE;
}
}
/* Load the client certificate */
memset(&connssl->clicert, 0, sizeof(x509_crt));
- if(data->set.str[STRING_CERT]) {
+ if(SSL_SET_OPTION(cert)) {
ret = x509_crt_parse_file(&connssl->clicert,
- data->set.str[STRING_CERT]);
+ SSL_SET_OPTION(cert));
if(ret) {
-#ifdef POLARSSL_ERROR_C
error_strerror(ret, errorbuf, sizeof(errorbuf));
-#endif /* POLARSSL_ERROR_C */
failf(data, "Error reading client cert file %s - PolarSSL: (-0x%04X) %s",
- data->set.str[STRING_CERT], -ret, errorbuf);
+ SSL_SET_OPTION(cert), -ret, errorbuf);
return CURLE_SSL_CERTPROBLEM;
}
}
/* Load the client private key */
- if(data->set.str[STRING_KEY]) {
+ if(SSL_SET_OPTION(key)) {
pk_context pk;
pk_init(&pk);
- ret = pk_parse_keyfile(&pk, data->set.str[STRING_KEY],
- data->set.str[STRING_KEY_PASSWD]);
+ ret = pk_parse_keyfile(&pk, SSL_SET_OPTION(key),
+ SSL_SET_OPTION(key_passwd));
if(ret == 0 && !pk_can_do(&pk, POLARSSL_PK_RSA))
ret = POLARSSL_ERR_PK_TYPE_MISMATCH;
if(ret == 0)
pk_free(&pk);
if(ret) {
-#ifdef POLARSSL_ERROR_C
error_strerror(ret, errorbuf, sizeof(errorbuf));
-#endif /* POLARSSL_ERROR_C */
failf(data, "Error reading private key %s - PolarSSL: (-0x%04X) %s",
- data->set.str[STRING_KEY], -ret, errorbuf);
+ SSL_SET_OPTION(key), -ret, errorbuf);
return CURLE_SSL_CERTPROBLEM;
}
/* Load the CRL */
memset(&connssl->crl, 0, sizeof(x509_crl));
- if(data->set.str[STRING_SSL_CRLFILE]) {
+ if(SSL_SET_OPTION(CRLfile)) {
ret = x509_crl_parse_file(&connssl->crl,
- data->set.str[STRING_SSL_CRLFILE]);
+ SSL_SET_OPTION(CRLfile));
if(ret) {
-#ifdef POLARSSL_ERROR_C
error_strerror(ret, errorbuf, sizeof(errorbuf));
-#endif /* POLARSSL_ERROR_C */
failf(data, "Error reading CRL file %s - PolarSSL: (-0x%04X) %s",
- data->set.str[STRING_SSL_CRLFILE], -ret, errorbuf);
+ SSL_SET_OPTION(CRLfile), -ret, errorbuf);
return CURLE_SSL_CRL_BADFILE;
}
}
- infof(data, "PolarSSL: Connecting to %s:%d\n",
- conn->host.name, conn->remote_port);
+ infof(data, "PolarSSL: Connecting to %s:%d\n", hostname, port);
if(ssl_init(&connssl->ssl)) {
failf(data, "PolarSSL: ssl_init failed");
return CURLE_SSL_CONNECT_ERROR;
}
- switch(data->set.ssl.version) {
- default:
+ switch(SSL_CONN_CONFIG(version)) {
case CURL_SSLVERSION_DEFAULT:
case CURL_SSLVERSION_TLSv1:
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;
+ case CURL_SSLVERSION_TLSv1_3:
+ failf(data, "PolarSSL: TLS 1.3 is not yet supported");
+ return CURLE_SSL_CONNECT_ERROR;
+ default:
+ failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
+ return CURLE_SSL_CONNECT_ERROR;
}
ssl_set_endpoint(&connssl->ssl, SSL_IS_CLIENT);
net_send, &conn->sock[sockindex]);
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");
- }
- ssl_set_session(&connssl->ssl,
- &connssl->ssn);
+ /* Check if there's a cached ID we can/should use here! */
+ if(SSL_SET_OPTION(primary.sessionid)) {
+ void *old_session = NULL;
+
+ Curl_ssl_sessionid_lock(conn);
+ if(!Curl_ssl_getsessionid(conn, &old_session, NULL, sockindex)) {
+ ret = ssl_set_session(&connssl->ssl, old_session);
+ if(ret) {
+ Curl_ssl_sessionid_unlock(conn);
+ failf(data, "ssl_set_session returned -0x%x", -ret);
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+ infof(data, "PolarSSL re-using session\n");
+ }
+ Curl_ssl_sessionid_unlock(conn);
+ }
ssl_set_ca_chain(&connssl->ssl,
&connssl->cacert,
&connssl->crl,
- conn->host.name);
+ hostname);
ssl_set_own_cert_rsa(&connssl->ssl,
&connssl->clicert, &connssl->rsa);
- if(!Curl_inet_pton(AF_INET, conn->host.name, &addr) &&
-#ifdef ENABLE_IPV6
- !Curl_inet_pton(AF_INET6, conn->host.name, &addr) &&
-#endif
- sni && ssl_set_hostname(&connssl->ssl, conn->host.name)) {
- infof(data, "WARNING: failed to configure "
- "server name indication (SNI) TLS extension\n");
+ if(ssl_set_hostname(&connssl->ssl, hostname)) {
+ /* ssl_set_hostname() sets the name to use in CN/SAN checks *and* the name
+ to set in the SNI extension. So even if curl connects to a host
+ specified as an IP address, this function must be used. */
+ failf(data, "couldn't set hostname in PolarSSL");
+ return CURLE_SSL_CONNECT_ERROR;
}
#ifdef HAS_ALPN
- if(data->set.ssl_enable_alpn) {
- static const char* protocols[3];
+ if(conn->bits.tls_enable_alpn) {
+ static const char *protocols[3];
int cur = 0;
#ifdef USE_NGHTTP2
- if(data->set.httpversion == CURL_HTTP_VERSION_2_0) {
+ if(data->set.httpversion >= CURL_HTTP_VERSION_2) {
protocols[cur++] = NGHTTP2_PROTO_VERSION_ID;
infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
}
static CURLcode
polarssl_connect_step2(struct connectdata *conn,
- int sockindex)
+ int sockindex)
{
int ret;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct ssl_connect_data* connssl = &conn->ssl[sockindex];
char buffer[1024];
+ const char * const pinnedpubkey = SSL_IS_PROXY() ?
+ data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+ data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+
char errorbuf[128];
errorbuf[0] = 0;
return CURLE_OK;
default:
-#ifdef POLARSSL_ERROR_C
error_strerror(ret, errorbuf, sizeof(errorbuf));
-#endif /* POLARSSL_ERROR_C */
failf(data, "ssl_handshake returned - PolarSSL: (-0x%04X) %s",
-ret, errorbuf);
return CURLE_SSL_CONNECT_ERROR;
ret = ssl_get_verify_result(&conn->ssl[sockindex].ssl);
- if(ret && data->set.ssl.verifypeer) {
+ if(ret && SSL_CONN_CONFIG(verifypeer)) {
if(ret & BADCERT_EXPIRED)
failf(data, "Cert verify failed: BADCERT_EXPIRED");
infof(data, "Dumping cert info:\n%s\n", buffer);
}
+ /* adapted from mbedtls.c */
+ if(pinnedpubkey) {
+ int size;
+ CURLcode result;
+ x509_crt *p;
+ unsigned char pubkey[PUB_DER_MAX_BYTES];
+ const x509_crt *peercert;
+
+ peercert = ssl_get_peer_cert(&connssl->ssl);
+
+ if(!peercert || !peercert->raw.p || !peercert->raw.len) {
+ failf(data, "Failed due to missing peer certificate");
+ return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+ }
+
+ p = calloc(1, sizeof(*p));
+
+ if(!p)
+ return CURLE_OUT_OF_MEMORY;
+
+ x509_crt_init(p);
+
+ /* Make a copy of our const peercert because pk_write_pubkey_der
+ needs a non-const key, for now.
+ https://github.com/ARMmbed/mbedtls/issues/396 */
+ if(x509_crt_parse_der(p, peercert->raw.p, peercert->raw.len)) {
+ failf(data, "Failed copying peer certificate");
+ x509_crt_free(p);
+ free(p);
+ return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+ }
+
+ size = pk_write_pubkey_der(&p->pk, pubkey, PUB_DER_MAX_BYTES);
+
+ if(size <= 0) {
+ failf(data, "Failed copying public key from peer certificate");
+ x509_crt_free(p);
+ free(p);
+ return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
+ }
+
+ /* pk_write_pubkey_der writes data at the end of the buffer. */
+ result = Curl_pin_peer_pubkey(data,
+ pinnedpubkey,
+ &pubkey[PUB_DER_MAX_BYTES - size], size);
+ if(result) {
+ x509_crt_free(p);
+ free(p);
+ return result;
+ }
+
+ x509_crt_free(p);
+ free(p);
+ }
+
#ifdef HAS_ALPN
- if(data->set.ssl_enable_alpn) {
+ if(conn->bits.tls_enable_alpn) {
const char *next_protocol = ssl_get_alpn_protocol(&connssl->ssl);
if(next_protocol != NULL) {
#ifdef USE_NGHTTP2
if(!strncmp(next_protocol, NGHTTP2_PROTO_VERSION_ID,
NGHTTP2_PROTO_VERSION_ID_LEN)) {
- conn->negnpn = CURL_HTTP_VERSION_2_0;
+ conn->negnpn = CURL_HTTP_VERSION_2;
}
else
#endif
- if(!strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) {
- conn->negnpn = CURL_HTTP_VERSION_1_1;
- }
+ if(!strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) {
+ conn->negnpn = CURL_HTTP_VERSION_1_1;
+ }
}
else
infof(data, "ALPN, server did not agree to a protocol\n");
static CURLcode
polarssl_connect_step3(struct connectdata *conn,
- int sockindex)
+ int sockindex)
{
- CURLcode result = CURLE_OK;
+ CURLcode retcode = 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;
- bool incache;
+ struct Curl_easy *data = conn->data;
DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
- /* Save the current session data for possible re-use */
- incache = !(Curl_ssl_getsessionid(conn, &old_ssl_sessionid, NULL));
- if(incache) {
- if(old_ssl_sessionid != our_ssl_sessionid) {
- infof(data, "old SSL session ID is stale, removing\n");
- Curl_ssl_delsessionid(conn, old_ssl_sessionid);
- incache = FALSE;
- }
- }
+ if(SSL_SET_OPTION(primary.sessionid)) {
+ int ret;
+ ssl_session *our_ssl_sessionid;
+ void *old_ssl_sessionid = NULL;
- if(!incache) {
- void *new_session = malloc(sizeof(ssl_session));
+ our_ssl_sessionid = malloc(sizeof(ssl_session));
+ if(!our_ssl_sessionid)
+ return CURLE_OUT_OF_MEMORY;
- if(new_session) {
- memcpy(new_session, our_ssl_sessionid, sizeof(ssl_session));
+ ssl_session_init(our_ssl_sessionid);
- result = Curl_ssl_addsessionid(conn, new_session, sizeof(ssl_session));
+ ret = ssl_get_session(&connssl->ssl, our_ssl_sessionid);
+ if(ret) {
+ failf(data, "ssl_get_session returned -0x%x", -ret);
+ return CURLE_SSL_CONNECT_ERROR;
}
- else
- result = CURLE_OUT_OF_MEMORY;
- if(result) {
+ /* If there's already a matching session in the cache, delete it */
+ Curl_ssl_sessionid_lock(conn);
+ if(!Curl_ssl_getsessionid(conn, &old_ssl_sessionid, NULL, sockindex))
+ Curl_ssl_delsessionid(conn, old_ssl_sessionid);
+
+ retcode = Curl_ssl_addsessionid(conn, our_ssl_sessionid, 0, sockindex);
+ Curl_ssl_sessionid_unlock(conn);
+ if(retcode) {
+ free(our_ssl_sessionid);
failf(data, "failed to store ssl session");
- return result;
+ return retcode;
}
}
void Curl_polarssl_session_free(void *ptr)
{
+ ssl_session_free(ptr);
free(ptr);
}
bool *done)
{
CURLcode result;
- struct SessionHandle *data = conn->data;
+ struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
curl_socket_t sockfd = conn->sock[sockindex];
long timeout_ms;
curl_socket_t readfd = ssl_connect_2_reading==
connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
- what = Curl_socket_ready(readfd, writefd, nonblocking?0:timeout_ms);
+ what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
+ nonblocking?0:timeout_ms);
if(what < 0) {
/* fatal error */
failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
CURLcode
Curl_polarssl_connect_nonblocking(struct connectdata *conn,
- int sockindex,
- bool *done)
+ int sockindex,
+ bool *done)
{
return polarssl_connect_common(conn, sockindex, TRUE, done);
}
CURLcode
Curl_polarssl_connect(struct connectdata *conn,
- int sockindex)
+ int sockindex)
{
CURLcode result;
bool done = FALSE;
* return 0 error initializing SSL
* return 1 SSL initialized successfully
*/
-int polarssl_init(void)
+int Curl_polarssl_init(void)
{
- return polarsslthreadlock_thread_setup();
+ return Curl_polarsslthreadlock_thread_setup();
}
-void polarssl_cleanup(void)
+void Curl_polarssl_cleanup(void)
+{
+ (void)Curl_polarsslthreadlock_thread_cleanup();
+}
+
+
+int Curl_polarssl_data_pending(const struct connectdata *conn, int sockindex)
{
- (void)polarsslthreadlock_thread_cleanup();
+ return ssl_get_bytes_avail(&conn->ssl[sockindex].ssl) != 0;
}
#endif /* USE_POLARSSL */
projects / platform / upstream / curl.git / blobdiff