* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 2012 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2012 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 2010 - 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
*
* This software is licensed as described in the file COPYING, which
#include "curl_setup.h"
#ifdef USE_POLARSSL
-
#include <polarssl/net.h>
#include <polarssl/ssl.h>
#include <polarssl/certs.h>
#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)
+struct ssl_backend_data {
+ ctr_drbg_context ctr_drbg;
+ entropy_context entropy;
+ ssl_context ssl;
+ int server_fd;
+ x509_crt cacert;
+ x509_crt clicert;
+ x509_crl crl;
+ rsa_context rsa;
+};
+
+#define BACKEND connssl->backend
+
/* apply threading? */
#if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
#define THREADING_SUPPORT
static Curl_recv polarssl_recv;
static Curl_send polarssl_send;
+static CURLcode polarssl_version_from_curl(int *polarver, long ssl_version)
+{
+ switch(ssl_version) {
+ case CURL_SSLVERSION_TLSv1_0:
+ *polarver = SSL_MINOR_VERSION_1;
+ return CURLE_OK;
+ case CURL_SSLVERSION_TLSv1_1:
+ *polarver = SSL_MINOR_VERSION_2;
+ return CURLE_OK;
+ case CURL_SSLVERSION_TLSv1_2:
+ *polarver = SSL_MINOR_VERSION_3;
+ return CURLE_OK;
+ case CURL_SSLVERSION_TLSv1_3:
+ break;
+ }
+ return CURLE_SSL_CONNECT_ERROR;
+}
+
+static CURLcode
+set_ssl_version_min_max(struct connectdata *conn, int sockindex)
+{
+ struct Curl_easy *data = conn->data;
+ struct ssl_connect_data* connssl = &conn->ssl[sockindex];
+ long ssl_version = SSL_CONN_CONFIG(version);
+ long ssl_version_max = SSL_CONN_CONFIG(version_max);
+ int ssl_min_ver = SSL_MINOR_VERSION_1;
+ int ssl_max_ver = SSL_MINOR_VERSION_1;
+ CURLcode result = CURLE_OK;
+
+ switch(ssl_version) {
+ case CURL_SSLVERSION_DEFAULT:
+ case CURL_SSLVERSION_TLSv1:
+ ssl_version = CURL_SSLVERSION_TLSv1_0;
+ ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
+ break;
+ }
+
+ switch(ssl_version_max) {
+ case CURL_SSLVERSION_MAX_NONE:
+ ssl_version_max = ssl_version << 16;
+ break;
+ case CURL_SSLVERSION_MAX_DEFAULT:
+ ssl_version_max = CURL_SSLVERSION_MAX_TLSv1_2;
+ break;
+ }
+
+ result = polarssl_version_from_curl(&ssl_min_ver, ssl_version);
+ if(result) {
+ failf(data, "unsupported min version passed via CURLOPT_SSLVERSION");
+ return result;
+ }
+ result = polarssl_version_from_curl(&ssl_max_ver, ssl_version_max >> 16);
+ if(result) {
+ failf(data, "unsupported max version passed via CURLOPT_SSLVERSION");
+ return result;
+ }
+
+ ssl_set_min_version(&BACKEND->ssl, SSL_MAJOR_VERSION_3, ssl_min_ver);
+ ssl_set_max_version(&BACKEND->ssl, SSL_MAJOR_VERSION_3, ssl_max_ver);
+
+ return result;
+}
static CURLcode
polarssl_connect_step1(struct connectdata *conn,
const long int port = SSL_IS_PROXY() ? conn->port : conn->remote_port;
int ret = -1;
char errorbuf[128];
- errorbuf[0]=0;
+ errorbuf[0] = 0;
/* PolarSSL only supports SSLv3 and TLSv1 */
if(SSL_CONN_CONFIG(version) == CURL_SSLVERSION_SSLv2) {
#ifdef THREADING_SUPPORT
entropy_init_mutex(&entropy);
- if((ret = ctr_drbg_init(&connssl->ctr_drbg, entropy_func_mutex, &entropy,
+ if((ret = ctr_drbg_init(&BACKEND->ctr_drbg, entropy_func_mutex, &entropy,
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);
+ entropy_init(&BACKEND->entropy);
- if((ret = ctr_drbg_init(&connssl->ctr_drbg, entropy_func, &connssl->entropy,
+ if((ret = ctr_drbg_init(&BACKEND->ctr_drbg, entropy_func, &BACKEND->entropy,
NULL, 0)) != 0) {
error_strerror(ret, errorbuf, sizeof(errorbuf));
failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
#endif /* THREADING_SUPPORT */
/* Load the trusted CA */
- memset(&connssl->cacert, 0, sizeof(x509_crt));
+ memset(&BACKEND->cacert, 0, sizeof(x509_crt));
if(SSL_CONN_CONFIG(CAfile)) {
- ret = x509_crt_parse_file(&connssl->cacert,
+ ret = x509_crt_parse_file(&BACKEND->cacert,
SSL_CONN_CONFIG(CAfile));
if(ret<0) {
}
if(capath) {
- ret = x509_crt_parse_path(&connssl->cacert, capath);
+ ret = x509_crt_parse_path(&BACKEND->cacert, capath);
if(ret<0) {
error_strerror(ret, errorbuf, sizeof(errorbuf));
}
/* Load the client certificate */
- memset(&connssl->clicert, 0, sizeof(x509_crt));
+ memset(&BACKEND->clicert, 0, sizeof(x509_crt));
if(SSL_SET_OPTION(cert)) {
- ret = x509_crt_parse_file(&connssl->clicert,
+ ret = x509_crt_parse_file(&BACKEND->clicert,
SSL_SET_OPTION(cert));
if(ret) {
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));
+ rsa_copy(&BACKEND->rsa, pk_rsa(pk));
else
- rsa_free(&connssl->rsa);
+ rsa_free(&BACKEND->rsa);
pk_free(&pk);
if(ret) {
}
/* Load the CRL */
- memset(&connssl->crl, 0, sizeof(x509_crl));
+ memset(&BACKEND->crl, 0, sizeof(x509_crl));
if(SSL_SET_OPTION(CRLfile)) {
- ret = x509_crl_parse_file(&connssl->crl,
+ ret = x509_crl_parse_file(&BACKEND->crl,
SSL_SET_OPTION(CRLfile));
if(ret) {
infof(data, "PolarSSL: Connecting to %s:%d\n", hostname, port);
- if(ssl_init(&connssl->ssl)) {
+ if(ssl_init(&BACKEND->ssl)) {
failf(data, "PolarSSL: ssl_init failed");
return CURLE_SSL_CONNECT_ERROR;
}
switch(SSL_CONN_CONFIG(version)) {
case CURL_SSLVERSION_DEFAULT:
case CURL_SSLVERSION_TLSv1:
- ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
+ ssl_set_min_version(&BACKEND->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_set_min_version(&BACKEND->ssl, SSL_MAJOR_VERSION_3,
SSL_MINOR_VERSION_0);
- ssl_set_max_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
+ ssl_set_max_version(&BACKEND->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);
- ssl_set_max_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);
- ssl_set_max_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);
- ssl_set_max_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;
+ {
+ CURLcode result = set_ssl_version_min_max(conn, sockindex);
+ if(result != CURLE_OK)
+ return result;
+ break;
+ }
default:
failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
return CURLE_SSL_CONNECT_ERROR;
}
- ssl_set_endpoint(&connssl->ssl, SSL_IS_CLIENT);
- ssl_set_authmode(&connssl->ssl, SSL_VERIFY_OPTIONAL);
+ ssl_set_endpoint(&BACKEND->ssl, SSL_IS_CLIENT);
+ ssl_set_authmode(&BACKEND->ssl, SSL_VERIFY_OPTIONAL);
- ssl_set_rng(&connssl->ssl, ctr_drbg_random,
- &connssl->ctr_drbg);
- ssl_set_bio(&connssl->ssl,
+ ssl_set_rng(&BACKEND->ssl, ctr_drbg_random,
+ &BACKEND->ctr_drbg);
+ ssl_set_bio(&BACKEND->ssl,
net_recv, &conn->sock[sockindex],
net_send, &conn->sock[sockindex]);
- ssl_set_ciphersuites(&connssl->ssl, ssl_list_ciphersuites());
+ ssl_set_ciphersuites(&BACKEND->ssl, ssl_list_ciphersuites());
/* Check if there's a cached ID we can/should use here! */
- if(data->set.general_ssl.sessionid) {
+ 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);
+ ret = ssl_set_session(&BACKEND->ssl, old_session);
if(ret) {
Curl_ssl_sessionid_unlock(conn);
failf(data, "ssl_set_session returned -0x%x", -ret);
Curl_ssl_sessionid_unlock(conn);
}
- ssl_set_ca_chain(&connssl->ssl,
- &connssl->cacert,
- &connssl->crl,
+ ssl_set_ca_chain(&BACKEND->ssl,
+ &BACKEND->cacert,
+ &BACKEND->crl,
hostname);
- ssl_set_own_cert_rsa(&connssl->ssl,
- &connssl->clicert, &connssl->rsa);
+ ssl_set_own_cert_rsa(&BACKEND->ssl,
+ &BACKEND->clicert, &BACKEND->rsa);
- if(ssl_set_hostname(&connssl->ssl, hostname)) {
+ if(ssl_set_hostname(&BACKEND->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. */
protocols[cur] = NULL;
- ssl_set_alpn_protocols(&connssl->ssl, protocols);
+ ssl_set_alpn_protocols(&BACKEND->ssl, protocols);
}
#endif
#ifdef POLARSSL_DEBUG
- ssl_set_dbg(&connssl->ssl, polarssl_debug, data);
+ ssl_set_dbg(&BACKEND->ssl, polarssl_debug, data);
#endif
connssl->connecting_state = ssl_connect_2;
conn->recv[sockindex] = polarssl_recv;
conn->send[sockindex] = polarssl_send;
- ret = ssl_handshake(&connssl->ssl);
+ ret = ssl_handshake(&BACKEND->ssl);
switch(ret) {
case 0:
}
infof(data, "PolarSSL: Handshake complete, cipher is %s\n",
- ssl_get_ciphersuite(&conn->ssl[sockindex].ssl) );
+ ssl_get_ciphersuite(&BACKEND->ssl) );
- ret = ssl_get_verify_result(&conn->ssl[sockindex].ssl);
+ ret = ssl_get_verify_result(&BACKEND->ssl);
if(ret && SSL_CONN_CONFIG(verifypeer)) {
if(ret & BADCERT_EXPIRED)
return CURLE_PEER_FAILED_VERIFICATION;
}
- if(ssl_get_peer_cert(&(connssl->ssl))) {
+ if(ssl_get_peer_cert(&(BACKEND->ssl))) {
/* If the session was resumed, there will be no peer certs */
memset(buffer, 0, sizeof(buffer));
if(x509_crt_info(buffer, sizeof(buffer), (char *)"* ",
- ssl_get_peer_cert(&(connssl->ssl))) != -1)
+ ssl_get_peer_cert(&(BACKEND->ssl))) != -1)
infof(data, "Dumping cert info:\n%s\n", buffer);
}
unsigned char pubkey[PUB_DER_MAX_BYTES];
const x509_crt *peercert;
- peercert = ssl_get_peer_cert(&connssl->ssl);
+ peercert = ssl_get_peer_cert(&BACKEND->ssl);
if(!peercert || !peercert->raw.p || !peercert->raw.len) {
failf(data, "Failed due to missing peer certificate");
#ifdef HAS_ALPN
if(conn->bits.tls_enable_alpn) {
- const char *next_protocol = ssl_get_alpn_protocol(&connssl->ssl);
+ const char *next_protocol = ssl_get_alpn_protocol(&BACKEND->ssl);
if(next_protocol != NULL) {
infof(data, "ALPN, server accepted to use %s\n", next_protocol);
DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
- if(data->set.general_ssl.sessionid) {
+ if(SSL_SET_OPTION(primary.sessionid)) {
int ret;
ssl_session *our_ssl_sessionid;
void *old_ssl_sessionid = NULL;
if(!our_ssl_sessionid)
return CURLE_OUT_OF_MEMORY;
- ssl_session_init(our_ssl_sessionid);
+ memset(our_ssl_sessionid, 0, sizeof(ssl_session));
- ret = ssl_get_session(&connssl->ssl, our_ssl_sessionid);
+ ret = ssl_get_session(&BACKEND->ssl, our_ssl_sessionid);
if(ret) {
failf(data, "ssl_get_session returned -0x%x", -ret);
return CURLE_SSL_CONNECT_ERROR;
size_t len,
CURLcode *curlcode)
{
+ struct ssl_connect_data *connssl = &conn->ssl[sockindex];
int ret = -1;
- ret = ssl_write(&conn->ssl[sockindex].ssl,
+ ret = ssl_write(&BACKEND->ssl,
(unsigned char *)mem, len);
if(ret < 0) {
return ret;
}
-void Curl_polarssl_close(struct connectdata *conn, int sockindex)
+static void Curl_polarssl_close(struct connectdata *conn, int sockindex)
{
- rsa_free(&conn->ssl[sockindex].rsa);
- 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);
+ struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+ rsa_free(&BACKEND->rsa);
+ x509_crt_free(&BACKEND->clicert);
+ x509_crt_free(&BACKEND->cacert);
+ x509_crl_free(&BACKEND->crl);
+ ssl_free(&BACKEND->ssl);
}
static ssize_t polarssl_recv(struct connectdata *conn,
size_t buffersize,
CURLcode *curlcode)
{
+ struct ssl_connect_data *connssl = &conn->ssl[num];
int ret = -1;
ssize_t len = -1;
memset(buf, 0, buffersize);
- ret = ssl_read(&conn->ssl[num].ssl, (unsigned char *)buf, buffersize);
+ ret = ssl_read(&BACKEND->ssl, (unsigned char *)buf, buffersize);
if(ret <= 0) {
if(ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
return len;
}
-void Curl_polarssl_session_free(void *ptr)
+static void Curl_polarssl_session_free(void *ptr)
{
ssl_session_free(ptr);
free(ptr);
/* 1.3.10 was the first rebranded version. All new releases (in 1.3 branch and
higher) will be mbed TLS branded.. */
-size_t Curl_polarssl_version(char *buffer, size_t size)
+static size_t Curl_polarssl_version(char *buffer, size_t size)
{
unsigned int version = version_get_number();
return snprintf(buffer, size, "%s/%d.%d.%d",
if(connssl->connecting_state == ssl_connect_2_reading ||
connssl->connecting_state == ssl_connect_2_writing) {
- curl_socket_t writefd = ssl_connect_2_writing==
+ curl_socket_t writefd = ssl_connect_2_writing ==
connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
- curl_socket_t readfd = ssl_connect_2_reading==
+ curl_socket_t readfd = ssl_connect_2_reading ==
connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
return CURLE_OK;
}
-CURLcode
-Curl_polarssl_connect_nonblocking(struct connectdata *conn,
- int sockindex,
- bool *done)
+static CURLcode Curl_polarssl_connect_nonblocking(struct connectdata *conn,
+ int sockindex, bool *done)
{
return polarssl_connect_common(conn, sockindex, TRUE, done);
}
-CURLcode
-Curl_polarssl_connect(struct connectdata *conn,
- int sockindex)
+static CURLcode Curl_polarssl_connect(struct connectdata *conn, int sockindex)
{
CURLcode result;
bool done = FALSE;
* return 0 error initializing SSL
* return 1 SSL initialized successfully
*/
-int Curl_polarssl_init(void)
+static int Curl_polarssl_init(void)
{
return Curl_polarsslthreadlock_thread_setup();
}
-void Curl_polarssl_cleanup(void)
+static void Curl_polarssl_cleanup(void)
{
(void)Curl_polarsslthreadlock_thread_cleanup();
}
+static bool Curl_polarssl_data_pending(const struct connectdata *conn,
+ int sockindex)
+{
+ const struct ssl_connect_data *connssl = &conn->ssl[sockindex];
+ return ssl_get_bytes_avail(&BACKEND->ssl) != 0;
+}
-int Curl_polarssl_data_pending(const struct connectdata *conn, int sockindex)
+static void Curl_polarssl_sha256sum(const unsigned char *input,
+ size_t inputlen,
+ unsigned char *sha256sum,
+ size_t sha256len UNUSED_PARAM)
{
- return ssl_get_bytes_avail(&conn->ssl[sockindex].ssl) != 0;
+ (void)sha256len;
+ sha256(input, inputlen, sha256sum, 0);
}
+static void *Curl_polarssl_get_internals(struct ssl_connect_data *connssl,
+ CURLINFO info UNUSED_PARAM)
+{
+ (void)info;
+ return &BACKEND->ssl;
+}
+
+const struct Curl_ssl Curl_ssl_polarssl = {
+ { CURLSSLBACKEND_POLARSSL, "polarssl" }, /* info */
+
+ 1, /* have_ca_path */
+ 0, /* have_certinfo */
+ 1, /* have_pinnedpubkey */
+ 0, /* have_ssl_ctx */
+ 0, /* support_https_proxy */
+
+ sizeof(struct ssl_backend_data),
+
+ Curl_polarssl_init, /* init */
+ Curl_polarssl_cleanup, /* cleanup */
+ Curl_polarssl_version, /* version */
+ Curl_none_check_cxn, /* check_cxn */
+ Curl_none_shutdown, /* shutdown */
+ Curl_polarssl_data_pending, /* data_pending */
+ /* This might cause libcurl to use a weeker random!
+ * TODO: use Polarssl's CTR-DRBG or HMAC-DRBG
+ */
+ Curl_none_random, /* random */
+ Curl_none_cert_status_request, /* cert_status_request */
+ Curl_polarssl_connect, /* connect */
+ Curl_polarssl_connect_nonblocking, /* connect_nonblocking */
+ Curl_polarssl_get_internals, /* get_internals */
+ Curl_polarssl_close, /* close_one */
+ Curl_none_close_all, /* close_all */
+ Curl_polarssl_session_free, /* session_free */
+ Curl_none_set_engine, /* set_engine */
+ Curl_none_set_engine_default, /* set_engine_default */
+ Curl_none_engines_list, /* engines_list */
+ Curl_none_false_start, /* false_start */
+ Curl_none_md5sum, /* md5sum */
+ Curl_polarssl_sha256sum /* sha256sum */
+};
+
#endif /* USE_POLARSSL */
projects / platform / upstream / curl.git / blobdiff