mirror of
https://github.com/curl/curl.git
synced 2024-12-03 06:20:31 +08:00
754 lines
21 KiB
C
754 lines
21 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 2012 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) 2010 - 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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/*
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* Source file for all PolarSSL-specific code for the TLS/SSL layer. No code
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* but vtls.c should ever call or use these functions.
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*
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*/
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#include "curl_setup.h"
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#ifdef USE_POLARSSL
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#include <polarssl/net.h>
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#include <polarssl/ssl.h>
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#include <polarssl/certs.h>
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#include <polarssl/x509.h>
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#include <polarssl/version.h>
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#if POLARSSL_VERSION_NUMBER < 0x01030000
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#error too old PolarSSL
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#endif
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#include <polarssl/error.h>
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#include <polarssl/entropy.h>
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#include <polarssl/ctr_drbg.h>
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#include "urldata.h"
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#include "sendf.h"
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#include "inet_pton.h"
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#include "polarssl.h"
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#include "vtls.h"
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#include "parsedate.h"
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#include "connect.h" /* for the connect timeout */
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#include "select.h"
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#include "rawstr.h"
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#include "polarssl_threadlock.h"
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#include "curl_printf.h"
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#include "curl_memory.h"
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/* The last #include file should be: */
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#include "memdebug.h"
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/* apply threading? */
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#if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
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#define THREADING_SUPPORT
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#endif
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#if defined(THREADING_SUPPORT)
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static entropy_context entropy;
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static int entropy_init_initialized = 0;
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/* start of entropy_init_mutex() */
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static void entropy_init_mutex(entropy_context *ctx)
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{
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/* lock 0 = entropy_init_mutex() */
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Curl_polarsslthreadlock_lock_function(0);
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if(entropy_init_initialized == 0) {
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entropy_init(ctx);
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entropy_init_initialized = 1;
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}
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Curl_polarsslthreadlock_unlock_function(0);
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}
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/* end of entropy_init_mutex() */
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/* start of entropy_func_mutex() */
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static int entropy_func_mutex(void *data, unsigned char *output, size_t len)
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{
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int ret;
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/* lock 1 = entropy_func_mutex() */
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Curl_polarsslthreadlock_lock_function(1);
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ret = entropy_func(data, output, len);
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Curl_polarsslthreadlock_unlock_function(1);
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return ret;
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}
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/* end of entropy_func_mutex() */
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#endif /* THREADING_SUPPORT */
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/* Define this to enable lots of debugging for PolarSSL */
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#undef POLARSSL_DEBUG
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#ifdef POLARSSL_DEBUG
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static void polarssl_debug(void *context, int level, const char *line)
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{
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struct SessionHandle *data = NULL;
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if(!context)
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return;
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data = (struct SessionHandle *)context;
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infof(data, "%s", line);
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(void) level;
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}
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#else
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#endif
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/* ALPN for http2? */
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#ifdef POLARSSL_SSL_ALPN
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# define HAS_ALPN
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#endif
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static Curl_recv polarssl_recv;
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static Curl_send polarssl_send;
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static CURLcode
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polarssl_connect_step1(struct connectdata *conn,
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int sockindex)
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{
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struct SessionHandle *data = conn->data;
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struct ssl_connect_data* connssl = &conn->ssl[sockindex];
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bool sni = TRUE; /* default is SNI enabled */
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int ret = -1;
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#ifdef ENABLE_IPV6
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struct in6_addr addr;
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#else
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struct in_addr addr;
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#endif
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void *old_session = NULL;
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size_t old_session_size = 0;
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char errorbuf[128];
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errorbuf[0]=0;
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/* PolarSSL only supports SSLv3 and TLSv1 */
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if(data->set.ssl.version == CURL_SSLVERSION_SSLv2) {
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failf(data, "PolarSSL does not support SSLv2");
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return CURLE_SSL_CONNECT_ERROR;
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}
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else if(data->set.ssl.version == CURL_SSLVERSION_SSLv3)
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sni = FALSE; /* SSLv3 has no SNI */
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#ifdef THREADING_SUPPORT
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entropy_init_mutex(&entropy);
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if((ret = ctr_drbg_init(&connssl->ctr_drbg, entropy_func_mutex, &entropy,
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connssl->ssn.id, connssl->ssn.length)) != 0) {
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#ifdef POLARSSL_ERROR_C
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error_strerror(ret, errorbuf, sizeof(errorbuf));
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#endif /* POLARSSL_ERROR_C */
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failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
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-ret, errorbuf);
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}
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#else
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entropy_init(&connssl->entropy);
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if((ret = ctr_drbg_init(&connssl->ctr_drbg, entropy_func, &connssl->entropy,
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connssl->ssn.id, connssl->ssn.length)) != 0) {
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#ifdef POLARSSL_ERROR_C
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error_strerror(ret, errorbuf, sizeof(errorbuf));
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#endif /* POLARSSL_ERROR_C */
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failf(data, "Failed - PolarSSL: ctr_drbg_init returned (-0x%04X) %s\n",
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-ret, errorbuf);
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}
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#endif /* THREADING_SUPPORT */
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/* Load the trusted CA */
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memset(&connssl->cacert, 0, sizeof(x509_crt));
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if(data->set.str[STRING_SSL_CAFILE]) {
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ret = x509_crt_parse_file(&connssl->cacert,
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data->set.str[STRING_SSL_CAFILE]);
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if(ret<0) {
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#ifdef POLARSSL_ERROR_C
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error_strerror(ret, errorbuf, sizeof(errorbuf));
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#endif /* POLARSSL_ERROR_C */
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failf(data, "Error reading ca cert file %s - PolarSSL: (-0x%04X) %s",
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data->set.str[STRING_SSL_CAFILE], -ret, errorbuf);
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if(data->set.ssl.verifypeer)
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return CURLE_SSL_CACERT_BADFILE;
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}
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}
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if(data->set.str[STRING_SSL_CAPATH]) {
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ret = x509_crt_parse_path(&connssl->cacert,
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data->set.str[STRING_SSL_CAPATH]);
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if(ret<0) {
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#ifdef POLARSSL_ERROR_C
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error_strerror(ret, errorbuf, sizeof(errorbuf));
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#endif /* POLARSSL_ERROR_C */
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failf(data, "Error reading ca cert path %s - PolarSSL: (-0x%04X) %s",
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data->set.str[STRING_SSL_CAPATH], -ret, errorbuf);
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if(data->set.ssl.verifypeer)
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return CURLE_SSL_CACERT_BADFILE;
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}
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}
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/* Load the client certificate */
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memset(&connssl->clicert, 0, sizeof(x509_crt));
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if(data->set.str[STRING_CERT]) {
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ret = x509_crt_parse_file(&connssl->clicert,
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data->set.str[STRING_CERT]);
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if(ret) {
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#ifdef POLARSSL_ERROR_C
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error_strerror(ret, errorbuf, sizeof(errorbuf));
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#endif /* POLARSSL_ERROR_C */
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failf(data, "Error reading client cert file %s - PolarSSL: (-0x%04X) %s",
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data->set.str[STRING_CERT], -ret, errorbuf);
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return CURLE_SSL_CERTPROBLEM;
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}
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}
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/* Load the client private key */
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if(data->set.str[STRING_KEY]) {
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pk_context pk;
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pk_init(&pk);
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ret = pk_parse_keyfile(&pk, data->set.str[STRING_KEY],
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data->set.str[STRING_KEY_PASSWD]);
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if(ret == 0 && !pk_can_do(&pk, POLARSSL_PK_RSA))
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ret = POLARSSL_ERR_PK_TYPE_MISMATCH;
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if(ret == 0)
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rsa_copy(&connssl->rsa, pk_rsa(pk));
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else
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rsa_free(&connssl->rsa);
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pk_free(&pk);
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if(ret) {
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#ifdef POLARSSL_ERROR_C
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error_strerror(ret, errorbuf, sizeof(errorbuf));
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#endif /* POLARSSL_ERROR_C */
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failf(data, "Error reading private key %s - PolarSSL: (-0x%04X) %s",
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data->set.str[STRING_KEY], -ret, errorbuf);
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return CURLE_SSL_CERTPROBLEM;
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}
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}
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/* Load the CRL */
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memset(&connssl->crl, 0, sizeof(x509_crl));
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if(data->set.str[STRING_SSL_CRLFILE]) {
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ret = x509_crl_parse_file(&connssl->crl,
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data->set.str[STRING_SSL_CRLFILE]);
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if(ret) {
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#ifdef POLARSSL_ERROR_C
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error_strerror(ret, errorbuf, sizeof(errorbuf));
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#endif /* POLARSSL_ERROR_C */
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failf(data, "Error reading CRL file %s - PolarSSL: (-0x%04X) %s",
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data->set.str[STRING_SSL_CRLFILE], -ret, errorbuf);
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return CURLE_SSL_CRL_BADFILE;
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}
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}
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infof(data, "PolarSSL: Connecting to %s:%d\n",
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conn->host.name, conn->remote_port);
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if(ssl_init(&connssl->ssl)) {
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failf(data, "PolarSSL: ssl_init failed");
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return CURLE_SSL_CONNECT_ERROR;
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}
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switch(data->set.ssl.version) {
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default:
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case CURL_SSLVERSION_DEFAULT:
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case CURL_SSLVERSION_TLSv1:
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ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_1);
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break;
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case CURL_SSLVERSION_SSLv3:
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ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_0);
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ssl_set_max_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_0);
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infof(data, "PolarSSL: Forced min. SSL Version to be SSLv3\n");
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break;
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case CURL_SSLVERSION_TLSv1_0:
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ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_1);
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ssl_set_max_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_1);
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infof(data, "PolarSSL: Forced min. SSL Version to be TLS 1.0\n");
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break;
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case CURL_SSLVERSION_TLSv1_1:
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ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_2);
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ssl_set_max_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_2);
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infof(data, "PolarSSL: Forced min. SSL Version to be TLS 1.1\n");
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break;
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case CURL_SSLVERSION_TLSv1_2:
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ssl_set_min_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_3);
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ssl_set_max_version(&connssl->ssl, SSL_MAJOR_VERSION_3,
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SSL_MINOR_VERSION_3);
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infof(data, "PolarSSL: Forced min. SSL Version to be TLS 1.2\n");
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break;
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}
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ssl_set_endpoint(&connssl->ssl, SSL_IS_CLIENT);
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ssl_set_authmode(&connssl->ssl, SSL_VERIFY_OPTIONAL);
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ssl_set_rng(&connssl->ssl, ctr_drbg_random,
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&connssl->ctr_drbg);
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ssl_set_bio(&connssl->ssl,
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net_recv, &conn->sock[sockindex],
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net_send, &conn->sock[sockindex]);
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ssl_set_ciphersuites(&connssl->ssl, ssl_list_ciphersuites());
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if(!Curl_ssl_getsessionid(conn, &old_session, &old_session_size)) {
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memcpy(&connssl->ssn, old_session, old_session_size);
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infof(data, "PolarSSL re-using session\n");
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}
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ssl_set_session(&connssl->ssl,
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&connssl->ssn);
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ssl_set_ca_chain(&connssl->ssl,
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&connssl->cacert,
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&connssl->crl,
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conn->host.name);
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ssl_set_own_cert_rsa(&connssl->ssl,
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&connssl->clicert, &connssl->rsa);
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if(!Curl_inet_pton(AF_INET, conn->host.name, &addr) &&
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#ifdef ENABLE_IPV6
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!Curl_inet_pton(AF_INET6, conn->host.name, &addr) &&
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#endif
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sni && ssl_set_hostname(&connssl->ssl, conn->host.name)) {
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infof(data, "WARNING: failed to configure "
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"server name indication (SNI) TLS extension\n");
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}
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#ifdef HAS_ALPN
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if(data->set.ssl_enable_alpn) {
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static const char* protocols[3];
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int cur = 0;
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#ifdef USE_NGHTTP2
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if(data->set.httpversion >= CURL_HTTP_VERSION_2) {
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protocols[cur++] = NGHTTP2_PROTO_VERSION_ID;
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infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
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}
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#endif
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protocols[cur++] = ALPN_HTTP_1_1;
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infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
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protocols[cur] = NULL;
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ssl_set_alpn_protocols(&connssl->ssl, protocols);
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}
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#endif
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#ifdef POLARSSL_DEBUG
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ssl_set_dbg(&connssl->ssl, polarssl_debug, data);
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#endif
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connssl->connecting_state = ssl_connect_2;
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return CURLE_OK;
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}
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static CURLcode
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polarssl_connect_step2(struct connectdata *conn,
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int sockindex)
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{
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int ret;
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struct SessionHandle *data = conn->data;
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struct ssl_connect_data* connssl = &conn->ssl[sockindex];
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char buffer[1024];
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char errorbuf[128];
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errorbuf[0] = 0;
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conn->recv[sockindex] = polarssl_recv;
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conn->send[sockindex] = polarssl_send;
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ret = ssl_handshake(&connssl->ssl);
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switch(ret) {
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case 0:
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break;
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case POLARSSL_ERR_NET_WANT_READ:
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connssl->connecting_state = ssl_connect_2_reading;
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return CURLE_OK;
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case POLARSSL_ERR_NET_WANT_WRITE:
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connssl->connecting_state = ssl_connect_2_writing;
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return CURLE_OK;
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default:
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#ifdef POLARSSL_ERROR_C
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error_strerror(ret, errorbuf, sizeof(errorbuf));
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#endif /* POLARSSL_ERROR_C */
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failf(data, "ssl_handshake returned - PolarSSL: (-0x%04X) %s",
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-ret, errorbuf);
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return CURLE_SSL_CONNECT_ERROR;
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}
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infof(data, "PolarSSL: Handshake complete, cipher is %s\n",
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ssl_get_ciphersuite(&conn->ssl[sockindex].ssl) );
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ret = ssl_get_verify_result(&conn->ssl[sockindex].ssl);
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if(ret && data->set.ssl.verifypeer) {
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if(ret & BADCERT_EXPIRED)
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failf(data, "Cert verify failed: BADCERT_EXPIRED");
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if(ret & BADCERT_REVOKED) {
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failf(data, "Cert verify failed: BADCERT_REVOKED");
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return CURLE_SSL_CACERT;
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}
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if(ret & BADCERT_CN_MISMATCH)
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failf(data, "Cert verify failed: BADCERT_CN_MISMATCH");
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if(ret & BADCERT_NOT_TRUSTED)
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failf(data, "Cert verify failed: BADCERT_NOT_TRUSTED");
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return CURLE_PEER_FAILED_VERIFICATION;
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}
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if(ssl_get_peer_cert(&(connssl->ssl))) {
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/* If the session was resumed, there will be no peer certs */
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memset(buffer, 0, sizeof(buffer));
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if(x509_crt_info(buffer, sizeof(buffer), (char *)"* ",
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ssl_get_peer_cert(&(connssl->ssl))) != -1)
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infof(data, "Dumping cert info:\n%s\n", buffer);
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}
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#ifdef HAS_ALPN
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if(data->set.ssl_enable_alpn) {
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const char *next_protocol = ssl_get_alpn_protocol(&connssl->ssl);
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if(next_protocol != NULL) {
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infof(data, "ALPN, server accepted to use %s\n", next_protocol);
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#ifdef USE_NGHTTP2
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if(!strncmp(next_protocol, NGHTTP2_PROTO_VERSION_ID,
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NGHTTP2_PROTO_VERSION_ID_LEN)) {
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conn->negnpn = CURL_HTTP_VERSION_2;
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}
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else
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#endif
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if(!strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) {
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conn->negnpn = CURL_HTTP_VERSION_1_1;
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}
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}
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else
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infof(data, "ALPN, server did not agree to a protocol\n");
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}
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#endif
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connssl->connecting_state = ssl_connect_3;
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infof(data, "SSL connected\n");
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return CURLE_OK;
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}
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static CURLcode
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polarssl_connect_step3(struct connectdata *conn,
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int sockindex)
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{
|
|
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;
|
|
bool incache;
|
|
|
|
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(!incache) {
|
|
void *new_session = malloc(sizeof(ssl_session));
|
|
|
|
if(new_session) {
|
|
memcpy(new_session, our_ssl_sessionid, sizeof(ssl_session));
|
|
|
|
result = Curl_ssl_addsessionid(conn, new_session, sizeof(ssl_session));
|
|
}
|
|
else
|
|
result = CURLE_OUT_OF_MEMORY;
|
|
|
|
if(result) {
|
|
failf(data, "failed to store ssl session");
|
|
return result;
|
|
}
|
|
}
|
|
|
|
connssl->connecting_state = ssl_connect_done;
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
static ssize_t polarssl_send(struct connectdata *conn,
|
|
int sockindex,
|
|
const void *mem,
|
|
size_t len,
|
|
CURLcode *curlcode)
|
|
{
|
|
int ret = -1;
|
|
|
|
ret = ssl_write(&conn->ssl[sockindex].ssl,
|
|
(unsigned char *)mem, len);
|
|
|
|
if(ret < 0) {
|
|
*curlcode = (ret == POLARSSL_ERR_NET_WANT_WRITE) ?
|
|
CURLE_AGAIN : CURLE_SEND_ERROR;
|
|
ret = -1;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static ssize_t polarssl_recv(struct connectdata *conn,
|
|
int num,
|
|
char *buf,
|
|
size_t buffersize,
|
|
CURLcode *curlcode)
|
|
{
|
|
int ret = -1;
|
|
ssize_t len = -1;
|
|
|
|
memset(buf, 0, buffersize);
|
|
ret = ssl_read(&conn->ssl[num].ssl, (unsigned char *)buf, buffersize);
|
|
|
|
if(ret <= 0) {
|
|
if(ret == POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY)
|
|
return 0;
|
|
|
|
*curlcode = (ret == POLARSSL_ERR_NET_WANT_READ) ?
|
|
CURLE_AGAIN : CURLE_RECV_ERROR;
|
|
return -1;
|
|
}
|
|
|
|
len = ret;
|
|
|
|
return len;
|
|
}
|
|
|
|
void Curl_polarssl_session_free(void *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)
|
|
{
|
|
unsigned int version = version_get_number();
|
|
return snprintf(buffer, size, "%s/%d.%d.%d",
|
|
version >= 0x01030A00?"mbedTLS":"PolarSSL",
|
|
version>>24, (version>>16)&0xff, (version>>8)&0xff);
|
|
}
|
|
|
|
static CURLcode
|
|
polarssl_connect_common(struct connectdata *conn,
|
|
int sockindex,
|
|
bool nonblocking,
|
|
bool *done)
|
|
{
|
|
CURLcode result;
|
|
struct SessionHandle *data = conn->data;
|
|
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
|
curl_socket_t sockfd = conn->sock[sockindex];
|
|
long timeout_ms;
|
|
int what;
|
|
|
|
/* check if the connection has already been established */
|
|
if(ssl_connection_complete == connssl->state) {
|
|
*done = TRUE;
|
|
return CURLE_OK;
|
|
}
|
|
|
|
if(ssl_connect_1 == connssl->connecting_state) {
|
|
/* Find out how much more time we're allowed */
|
|
timeout_ms = Curl_timeleft(data, NULL, TRUE);
|
|
|
|
if(timeout_ms < 0) {
|
|
/* no need to continue if time already is up */
|
|
failf(data, "SSL connection timeout");
|
|
return CURLE_OPERATION_TIMEDOUT;
|
|
}
|
|
|
|
result = polarssl_connect_step1(conn, sockindex);
|
|
if(result)
|
|
return result;
|
|
}
|
|
|
|
while(ssl_connect_2 == connssl->connecting_state ||
|
|
ssl_connect_2_reading == connssl->connecting_state ||
|
|
ssl_connect_2_writing == connssl->connecting_state) {
|
|
|
|
/* check allowed time left */
|
|
timeout_ms = Curl_timeleft(data, NULL, TRUE);
|
|
|
|
if(timeout_ms < 0) {
|
|
/* no need to continue if time already is up */
|
|
failf(data, "SSL connection timeout");
|
|
return CURLE_OPERATION_TIMEDOUT;
|
|
}
|
|
|
|
/* 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) {
|
|
|
|
curl_socket_t writefd = ssl_connect_2_writing==
|
|
connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
|
|
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);
|
|
if(what < 0) {
|
|
/* fatal error */
|
|
failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
else if(0 == what) {
|
|
if(nonblocking) {
|
|
*done = FALSE;
|
|
return CURLE_OK;
|
|
}
|
|
else {
|
|
/* timeout */
|
|
failf(data, "SSL connection timeout");
|
|
return CURLE_OPERATION_TIMEDOUT;
|
|
}
|
|
}
|
|
/* socket is readable or writable */
|
|
}
|
|
|
|
/* Run transaction, and return to the caller if it failed or if
|
|
* this connection is part of a multi handle and this loop would
|
|
* execute again. This permits the owner of a multi handle to
|
|
* abort a connection attempt before step2 has completed while
|
|
* ensuring that a client using select() or epoll() will always
|
|
* have a valid fdset to wait on.
|
|
*/
|
|
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) {
|
|
result = polarssl_connect_step3(conn, sockindex);
|
|
if(result)
|
|
return result;
|
|
}
|
|
|
|
if(ssl_connect_done == connssl->connecting_state) {
|
|
connssl->state = ssl_connection_complete;
|
|
conn->recv[sockindex] = polarssl_recv;
|
|
conn->send[sockindex] = polarssl_send;
|
|
*done = TRUE;
|
|
}
|
|
else
|
|
*done = FALSE;
|
|
|
|
/* Reset our connect state machine */
|
|
connssl->connecting_state = ssl_connect_1;
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
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)
|
|
{
|
|
CURLcode result;
|
|
bool done = FALSE;
|
|
|
|
result = polarssl_connect_common(conn, sockindex, FALSE, &done);
|
|
if(result)
|
|
return result;
|
|
|
|
DEBUGASSERT(done);
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
/*
|
|
* return 0 error initializing SSL
|
|
* return 1 SSL initialized successfully
|
|
*/
|
|
int Curl_polarssl_init(void)
|
|
{
|
|
return Curl_polarsslthreadlock_thread_setup();
|
|
}
|
|
|
|
void Curl_polarssl_cleanup(void)
|
|
{
|
|
(void)Curl_polarsslthreadlock_thread_cleanup();
|
|
}
|
|
|
|
#endif /* USE_POLARSSL */
|