2478 строки
83 KiB
C
2478 строки
83 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 - 2014, Nick Zitzmann, <nickzman@gmail.com>.
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* Copyright (C) 2012 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
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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 http://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 iOS and Mac OS X SecureTransport-specific code for the
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* TLS/SSL layer. No code but vtls.c should ever call or use these functions.
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*/
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#include "curl_setup.h"
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#include "urldata.h" /* for the SessionHandle definition */
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#include "curl_base64.h"
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#include "strtok.h"
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#ifdef USE_DARWINSSL
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#ifdef HAVE_LIMITS_H
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#include <limits.h>
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#endif
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#include <Security/Security.h>
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#include <Security/SecureTransport.h>
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#include <CoreFoundation/CoreFoundation.h>
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#include <CommonCrypto/CommonDigest.h>
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/* The Security framework has changed greatly between iOS and different OS X
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versions, and we will try to support as many of them as we can (back to
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Leopard and iOS 5) by using macros and weak-linking.
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IMPORTANT: If TLS 1.1 and 1.2 support are important for you on OS X, then
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you must build this project against the 10.8 SDK or later. */
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#if (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE))
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#if MAC_OS_X_VERSION_MAX_ALLOWED < 1050
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#error "The darwinssl back-end requires Leopard or later."
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#endif /* MAC_OS_X_VERSION_MAX_ALLOWED < 1050 */
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#define CURL_BUILD_IOS 0
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#define CURL_BUILD_IOS_7 0
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#define CURL_BUILD_MAC 1
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/* This is the maximum API level we are allowed to use when building: */
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#define CURL_BUILD_MAC_10_5 MAC_OS_X_VERSION_MAX_ALLOWED >= 1050
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#define CURL_BUILD_MAC_10_6 MAC_OS_X_VERSION_MAX_ALLOWED >= 1060
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#define CURL_BUILD_MAC_10_7 MAC_OS_X_VERSION_MAX_ALLOWED >= 1070
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#define CURL_BUILD_MAC_10_8 MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
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#define CURL_BUILD_MAC_10_9 MAC_OS_X_VERSION_MAX_ALLOWED >= 1090
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/* These macros mean "the following code is present to allow runtime backward
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compatibility with at least this cat or earlier":
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(You set this at build-time by setting the MACOSX_DEPLOYMENT_TARGET
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environmental variable.) */
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#define CURL_SUPPORT_MAC_10_5 MAC_OS_X_VERSION_MIN_REQUIRED <= 1050
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#define CURL_SUPPORT_MAC_10_6 MAC_OS_X_VERSION_MIN_REQUIRED <= 1060
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#define CURL_SUPPORT_MAC_10_7 MAC_OS_X_VERSION_MIN_REQUIRED <= 1070
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#define CURL_SUPPORT_MAC_10_8 MAC_OS_X_VERSION_MIN_REQUIRED <= 1080
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#define CURL_SUPPORT_MAC_10_9 MAC_OS_X_VERSION_MIN_REQUIRED <= 1090
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#elif TARGET_OS_EMBEDDED || TARGET_OS_IPHONE
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#define CURL_BUILD_IOS 1
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#define CURL_BUILD_IOS_7 __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000
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#define CURL_BUILD_MAC 0
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#define CURL_BUILD_MAC_10_5 0
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#define CURL_BUILD_MAC_10_6 0
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#define CURL_BUILD_MAC_10_7 0
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#define CURL_BUILD_MAC_10_8 0
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#define CURL_SUPPORT_MAC_10_5 0
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#define CURL_SUPPORT_MAC_10_6 0
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#define CURL_SUPPORT_MAC_10_7 0
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#define CURL_SUPPORT_MAC_10_8 0
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#define CURL_SUPPORT_MAC_10_9 0
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#else
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#error "The darwinssl back-end requires iOS or OS X."
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#endif /* (TARGET_OS_MAC && !(TARGET_OS_EMBEDDED || TARGET_OS_IPHONE)) */
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#if CURL_BUILD_MAC
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#include <sys/sysctl.h>
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#endif /* CURL_BUILD_MAC */
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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 "connect.h"
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#include "select.h"
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#include "vtls.h"
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#include "curl_darwinssl.h"
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.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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/* From MacTypes.h (which we can't include because it isn't present in iOS: */
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#define ioErr -36
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#define paramErr -50
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/* The following two functions were ripped from Apple sample code,
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* with some modifications: */
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static OSStatus SocketRead(SSLConnectionRef connection,
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void *data, /* owned by
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* caller, data
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* RETURNED */
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size_t *dataLength) /* IN/OUT */
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{
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size_t bytesToGo = *dataLength;
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size_t initLen = bytesToGo;
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UInt8 *currData = (UInt8 *)data;
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/*int sock = *(int *)connection;*/
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struct ssl_connect_data *connssl = (struct ssl_connect_data *)connection;
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int sock = connssl->ssl_sockfd;
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OSStatus rtn = noErr;
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size_t bytesRead;
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ssize_t rrtn;
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int theErr;
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*dataLength = 0;
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for(;;) {
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bytesRead = 0;
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rrtn = read(sock, currData, bytesToGo);
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if(rrtn <= 0) {
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/* this is guesswork... */
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theErr = errno;
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if(rrtn == 0) { /* EOF = server hung up */
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/* the framework will turn this into errSSLClosedNoNotify */
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rtn = errSSLClosedGraceful;
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}
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else /* do the switch */
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switch(theErr) {
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case ENOENT:
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/* connection closed */
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rtn = errSSLClosedGraceful;
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break;
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case ECONNRESET:
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rtn = errSSLClosedAbort;
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break;
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case EAGAIN:
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rtn = errSSLWouldBlock;
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connssl->ssl_direction = false;
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break;
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default:
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rtn = ioErr;
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break;
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}
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break;
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}
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else {
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bytesRead = rrtn;
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}
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bytesToGo -= bytesRead;
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currData += bytesRead;
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if(bytesToGo == 0) {
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/* filled buffer with incoming data, done */
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break;
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}
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}
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*dataLength = initLen - bytesToGo;
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return rtn;
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}
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static OSStatus SocketWrite(SSLConnectionRef connection,
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const void *data,
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size_t *dataLength) /* IN/OUT */
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{
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size_t bytesSent = 0;
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/*int sock = *(int *)connection;*/
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struct ssl_connect_data *connssl = (struct ssl_connect_data *)connection;
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int sock = connssl->ssl_sockfd;
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ssize_t length;
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size_t dataLen = *dataLength;
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const UInt8 *dataPtr = (UInt8 *)data;
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OSStatus ortn;
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int theErr;
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*dataLength = 0;
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do {
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length = write(sock,
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(char*)dataPtr + bytesSent,
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dataLen - bytesSent);
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} while((length > 0) &&
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( (bytesSent += length) < dataLen) );
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if(length <= 0) {
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theErr = errno;
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if(theErr == EAGAIN) {
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ortn = errSSLWouldBlock;
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connssl->ssl_direction = true;
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}
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else {
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ortn = ioErr;
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}
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}
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else {
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ortn = noErr;
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}
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*dataLength = bytesSent;
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return ortn;
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}
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CF_INLINE const char *SSLCipherNameForNumber(SSLCipherSuite cipher) {
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switch (cipher) {
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/* SSL version 3.0 */
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case SSL_RSA_WITH_NULL_MD5:
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return "SSL_RSA_WITH_NULL_MD5";
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break;
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case SSL_RSA_WITH_NULL_SHA:
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return "SSL_RSA_WITH_NULL_SHA";
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break;
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case SSL_RSA_EXPORT_WITH_RC4_40_MD5:
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return "SSL_RSA_EXPORT_WITH_RC4_40_MD5";
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break;
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case SSL_RSA_WITH_RC4_128_MD5:
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return "SSL_RSA_WITH_RC4_128_MD5";
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break;
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case SSL_RSA_WITH_RC4_128_SHA:
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return "SSL_RSA_WITH_RC4_128_SHA";
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break;
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case SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5:
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return "SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5";
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break;
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case SSL_RSA_WITH_IDEA_CBC_SHA:
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return "SSL_RSA_WITH_IDEA_CBC_SHA";
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break;
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case SSL_RSA_EXPORT_WITH_DES40_CBC_SHA:
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return "SSL_RSA_EXPORT_WITH_DES40_CBC_SHA";
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break;
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case SSL_RSA_WITH_DES_CBC_SHA:
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return "SSL_RSA_WITH_DES_CBC_SHA";
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break;
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case SSL_RSA_WITH_3DES_EDE_CBC_SHA:
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return "SSL_RSA_WITH_3DES_EDE_CBC_SHA";
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break;
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case SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA:
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return "SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA";
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break;
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case SSL_DH_DSS_WITH_DES_CBC_SHA:
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return "SSL_DH_DSS_WITH_DES_CBC_SHA";
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break;
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case SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA:
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return "SSL_DH_DSS_WITH_3DES_EDE_CBC_SHA";
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break;
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case SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA:
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return "SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA";
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break;
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case SSL_DH_RSA_WITH_DES_CBC_SHA:
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return "SSL_DH_RSA_WITH_DES_CBC_SHA";
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break;
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case SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA:
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return "SSL_DH_RSA_WITH_3DES_EDE_CBC_SHA";
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break;
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case SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA:
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return "SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA";
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break;
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case SSL_DHE_DSS_WITH_DES_CBC_SHA:
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return "SSL_DHE_DSS_WITH_DES_CBC_SHA";
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break;
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case SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA:
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return "SSL_DHE_DSS_WITH_3DES_EDE_CBC_SHA";
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break;
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case SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA:
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return "SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA";
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break;
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case SSL_DHE_RSA_WITH_DES_CBC_SHA:
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return "SSL_DHE_RSA_WITH_DES_CBC_SHA";
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break;
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case SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
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return "SSL_DHE_RSA_WITH_3DES_EDE_CBC_SHA";
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break;
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case SSL_DH_anon_EXPORT_WITH_RC4_40_MD5:
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return "SSL_DH_anon_EXPORT_WITH_RC4_40_MD5";
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break;
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case SSL_DH_anon_WITH_RC4_128_MD5:
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return "SSL_DH_anon_WITH_RC4_128_MD5";
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break;
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case SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA:
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return "SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA";
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break;
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case SSL_DH_anon_WITH_DES_CBC_SHA:
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return "SSL_DH_anon_WITH_DES_CBC_SHA";
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break;
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case SSL_DH_anon_WITH_3DES_EDE_CBC_SHA:
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return "SSL_DH_anon_WITH_3DES_EDE_CBC_SHA";
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break;
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case SSL_FORTEZZA_DMS_WITH_NULL_SHA:
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return "SSL_FORTEZZA_DMS_WITH_NULL_SHA";
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break;
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case SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA:
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return "SSL_FORTEZZA_DMS_WITH_FORTEZZA_CBC_SHA";
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break;
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/* TLS 1.0 with AES (RFC 3268)
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(Apparently these are used in SSLv3 implementations as well.) */
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case TLS_RSA_WITH_AES_128_CBC_SHA:
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return "TLS_RSA_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DH_DSS_WITH_AES_128_CBC_SHA:
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return "TLS_DH_DSS_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DH_RSA_WITH_AES_128_CBC_SHA:
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return "TLS_DH_RSA_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DHE_DSS_WITH_AES_128_CBC_SHA:
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return "TLS_DHE_DSS_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
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return "TLS_DHE_RSA_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DH_anon_WITH_AES_128_CBC_SHA:
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return "TLS_DH_anon_WITH_AES_128_CBC_SHA";
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break;
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case TLS_RSA_WITH_AES_256_CBC_SHA:
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return "TLS_RSA_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DH_DSS_WITH_AES_256_CBC_SHA:
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return "TLS_DH_DSS_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DH_RSA_WITH_AES_256_CBC_SHA:
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return "TLS_DH_RSA_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DHE_DSS_WITH_AES_256_CBC_SHA:
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return "TLS_DHE_DSS_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
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return "TLS_DHE_RSA_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DH_anon_WITH_AES_256_CBC_SHA:
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return "TLS_DH_anon_WITH_AES_256_CBC_SHA";
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break;
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/* SSL version 2.0 */
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case SSL_RSA_WITH_RC2_CBC_MD5:
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return "SSL_RSA_WITH_RC2_CBC_MD5";
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break;
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case SSL_RSA_WITH_IDEA_CBC_MD5:
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return "SSL_RSA_WITH_IDEA_CBC_MD5";
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break;
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case SSL_RSA_WITH_DES_CBC_MD5:
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return "SSL_RSA_WITH_DES_CBC_MD5";
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break;
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case SSL_RSA_WITH_3DES_EDE_CBC_MD5:
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return "SSL_RSA_WITH_3DES_EDE_CBC_MD5";
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break;
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}
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return "SSL_NULL_WITH_NULL_NULL";
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}
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CF_INLINE const char *TLSCipherNameForNumber(SSLCipherSuite cipher) {
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switch(cipher) {
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/* TLS 1.0 with AES (RFC 3268) */
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case TLS_RSA_WITH_AES_128_CBC_SHA:
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return "TLS_RSA_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DH_DSS_WITH_AES_128_CBC_SHA:
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return "TLS_DH_DSS_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DH_RSA_WITH_AES_128_CBC_SHA:
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return "TLS_DH_RSA_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DHE_DSS_WITH_AES_128_CBC_SHA:
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return "TLS_DHE_DSS_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
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return "TLS_DHE_RSA_WITH_AES_128_CBC_SHA";
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break;
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case TLS_DH_anon_WITH_AES_128_CBC_SHA:
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return "TLS_DH_anon_WITH_AES_128_CBC_SHA";
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break;
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case TLS_RSA_WITH_AES_256_CBC_SHA:
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return "TLS_RSA_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DH_DSS_WITH_AES_256_CBC_SHA:
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return "TLS_DH_DSS_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DH_RSA_WITH_AES_256_CBC_SHA:
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return "TLS_DH_RSA_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DHE_DSS_WITH_AES_256_CBC_SHA:
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return "TLS_DHE_DSS_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
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return "TLS_DHE_RSA_WITH_AES_256_CBC_SHA";
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break;
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case TLS_DH_anon_WITH_AES_256_CBC_SHA:
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return "TLS_DH_anon_WITH_AES_256_CBC_SHA";
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break;
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#if CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS
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/* TLS 1.0 with ECDSA (RFC 4492) */
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case TLS_ECDH_ECDSA_WITH_NULL_SHA:
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return "TLS_ECDH_ECDSA_WITH_NULL_SHA";
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break;
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case TLS_ECDH_ECDSA_WITH_RC4_128_SHA:
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return "TLS_ECDH_ECDSA_WITH_RC4_128_SHA";
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break;
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case TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA:
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return "TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA";
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break;
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case TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA:
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return "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA";
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break;
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case TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA:
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return "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA";
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break;
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case TLS_ECDHE_ECDSA_WITH_NULL_SHA:
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return "TLS_ECDHE_ECDSA_WITH_NULL_SHA";
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break;
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case TLS_ECDHE_ECDSA_WITH_RC4_128_SHA:
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return "TLS_ECDHE_ECDSA_WITH_RC4_128_SHA";
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break;
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case TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA:
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return "TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA";
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break;
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case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA:
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return "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA";
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break;
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case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA:
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return "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA";
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break;
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case TLS_ECDH_RSA_WITH_NULL_SHA:
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return "TLS_ECDH_RSA_WITH_NULL_SHA";
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break;
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case TLS_ECDH_RSA_WITH_RC4_128_SHA:
|
|
return "TLS_ECDH_RSA_WITH_RC4_128_SHA";
|
|
break;
|
|
case TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_ECDH_RSA_WITH_AES_128_CBC_SHA:
|
|
return "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA";
|
|
break;
|
|
case TLS_ECDH_RSA_WITH_AES_256_CBC_SHA:
|
|
return "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_NULL_SHA:
|
|
return "TLS_ECDHE_RSA_WITH_NULL_SHA";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_RC4_128_SHA:
|
|
return "TLS_ECDHE_RSA_WITH_RC4_128_SHA";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA:
|
|
return "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA:
|
|
return "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA";
|
|
break;
|
|
case TLS_ECDH_anon_WITH_NULL_SHA:
|
|
return "TLS_ECDH_anon_WITH_NULL_SHA";
|
|
break;
|
|
case TLS_ECDH_anon_WITH_RC4_128_SHA:
|
|
return "TLS_ECDH_anon_WITH_RC4_128_SHA";
|
|
break;
|
|
case TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_ECDH_anon_WITH_AES_128_CBC_SHA:
|
|
return "TLS_ECDH_anon_WITH_AES_128_CBC_SHA";
|
|
break;
|
|
case TLS_ECDH_anon_WITH_AES_256_CBC_SHA:
|
|
return "TLS_ECDH_anon_WITH_AES_256_CBC_SHA";
|
|
break;
|
|
#endif /* CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS */
|
|
#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|
/* TLS 1.2 (RFC 5246) */
|
|
case TLS_RSA_WITH_NULL_MD5:
|
|
return "TLS_RSA_WITH_NULL_MD5";
|
|
break;
|
|
case TLS_RSA_WITH_NULL_SHA:
|
|
return "TLS_RSA_WITH_NULL_SHA";
|
|
break;
|
|
case TLS_RSA_WITH_RC4_128_MD5:
|
|
return "TLS_RSA_WITH_RC4_128_MD5";
|
|
break;
|
|
case TLS_RSA_WITH_RC4_128_SHA:
|
|
return "TLS_RSA_WITH_RC4_128_SHA";
|
|
break;
|
|
case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_RSA_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_RSA_WITH_NULL_SHA256:
|
|
return "TLS_RSA_WITH_NULL_SHA256";
|
|
break;
|
|
case TLS_RSA_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_RSA_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_RSA_WITH_AES_256_CBC_SHA256:
|
|
return "TLS_RSA_WITH_AES_256_CBC_SHA256";
|
|
break;
|
|
case TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_DH_DSS_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_DH_DSS_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_DH_RSA_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_DH_RSA_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_DHE_DSS_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_DHE_DSS_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_DHE_RSA_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_DH_DSS_WITH_AES_256_CBC_SHA256:
|
|
return "TLS_DH_DSS_WITH_AES_256_CBC_SHA256";
|
|
break;
|
|
case TLS_DH_RSA_WITH_AES_256_CBC_SHA256:
|
|
return "TLS_DH_RSA_WITH_AES_256_CBC_SHA256";
|
|
break;
|
|
case TLS_DHE_DSS_WITH_AES_256_CBC_SHA256:
|
|
return "TLS_DHE_DSS_WITH_AES_256_CBC_SHA256";
|
|
break;
|
|
case TLS_DHE_RSA_WITH_AES_256_CBC_SHA256:
|
|
return "TLS_DHE_RSA_WITH_AES_256_CBC_SHA256";
|
|
break;
|
|
case TLS_DH_anon_WITH_RC4_128_MD5:
|
|
return "TLS_DH_anon_WITH_RC4_128_MD5";
|
|
break;
|
|
case TLS_DH_anon_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_DH_anon_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_DH_anon_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_DH_anon_WITH_AES_256_CBC_SHA256:
|
|
return "TLS_DH_anon_WITH_AES_256_CBC_SHA256";
|
|
break;
|
|
/* TLS 1.2 with AES GCM (RFC 5288) */
|
|
case TLS_RSA_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_RSA_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_RSA_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_RSA_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_DHE_RSA_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_DHE_RSA_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_DHE_RSA_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_DHE_RSA_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_DH_RSA_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_DH_RSA_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_DH_RSA_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_DH_RSA_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_DHE_DSS_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_DHE_DSS_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_DHE_DSS_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_DHE_DSS_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_DH_DSS_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_DH_DSS_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_DH_DSS_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_DH_DSS_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_DH_anon_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_DH_anon_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_DH_anon_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_DH_anon_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
/* TLS 1.2 with elliptic curve ciphers (RFC 5289) */
|
|
case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384:
|
|
return "TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384";
|
|
break;
|
|
case TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384:
|
|
return "TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384:
|
|
return "TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384";
|
|
break;
|
|
case TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384:
|
|
return "TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384";
|
|
break;
|
|
case TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_EMPTY_RENEGOTIATION_INFO_SCSV:
|
|
return "TLS_EMPTY_RENEGOTIATION_INFO_SCSV";
|
|
break;
|
|
#else
|
|
case SSL_RSA_WITH_NULL_MD5:
|
|
return "TLS_RSA_WITH_NULL_MD5";
|
|
break;
|
|
case SSL_RSA_WITH_NULL_SHA:
|
|
return "TLS_RSA_WITH_NULL_SHA";
|
|
break;
|
|
case SSL_RSA_WITH_RC4_128_MD5:
|
|
return "TLS_RSA_WITH_RC4_128_MD5";
|
|
break;
|
|
case SSL_RSA_WITH_RC4_128_SHA:
|
|
return "TLS_RSA_WITH_RC4_128_SHA";
|
|
break;
|
|
case SSL_RSA_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_RSA_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case SSL_DH_anon_WITH_RC4_128_MD5:
|
|
return "TLS_DH_anon_WITH_RC4_128_MD5";
|
|
break;
|
|
case SSL_DH_anon_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_DH_anon_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|
#if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
|
|
/* TLS PSK (RFC 4279): */
|
|
case TLS_PSK_WITH_RC4_128_SHA:
|
|
return "TLS_PSK_WITH_RC4_128_SHA";
|
|
break;
|
|
case TLS_PSK_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_PSK_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_PSK_WITH_AES_128_CBC_SHA:
|
|
return "TLS_PSK_WITH_AES_128_CBC_SHA";
|
|
break;
|
|
case TLS_PSK_WITH_AES_256_CBC_SHA:
|
|
return "TLS_PSK_WITH_AES_256_CBC_SHA";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_RC4_128_SHA:
|
|
return "TLS_DHE_PSK_WITH_RC4_128_SHA";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_AES_128_CBC_SHA:
|
|
return "TLS_DHE_PSK_WITH_AES_128_CBC_SHA";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_AES_256_CBC_SHA:
|
|
return "TLS_DHE_PSK_WITH_AES_256_CBC_SHA";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_RC4_128_SHA:
|
|
return "TLS_RSA_PSK_WITH_RC4_128_SHA";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA:
|
|
return "TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_AES_128_CBC_SHA:
|
|
return "TLS_RSA_PSK_WITH_AES_128_CBC_SHA";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_AES_256_CBC_SHA:
|
|
return "TLS_RSA_PSK_WITH_AES_256_CBC_SHA";
|
|
break;
|
|
/* More TLS PSK (RFC 4785): */
|
|
case TLS_PSK_WITH_NULL_SHA:
|
|
return "TLS_PSK_WITH_NULL_SHA";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_NULL_SHA:
|
|
return "TLS_DHE_PSK_WITH_NULL_SHA";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_NULL_SHA:
|
|
return "TLS_RSA_PSK_WITH_NULL_SHA";
|
|
break;
|
|
/* Even more TLS PSK (RFC 5487): */
|
|
case TLS_PSK_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_PSK_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_PSK_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_PSK_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_DHE_PSK_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_DHE_PSK_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_AES_128_GCM_SHA256:
|
|
return "TLS_RSA_PSK_WITH_AES_128_GCM_SHA256";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_AES_256_GCM_SHA384:
|
|
return "TLS_PSK_WITH_AES_256_GCM_SHA384";
|
|
break;
|
|
case TLS_PSK_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_PSK_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_PSK_WITH_AES_256_CBC_SHA384:
|
|
return "TLS_PSK_WITH_AES_256_CBC_SHA384";
|
|
break;
|
|
case TLS_PSK_WITH_NULL_SHA256:
|
|
return "TLS_PSK_WITH_NULL_SHA256";
|
|
break;
|
|
case TLS_PSK_WITH_NULL_SHA384:
|
|
return "TLS_PSK_WITH_NULL_SHA384";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_DHE_PSK_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384:
|
|
return "TLS_DHE_PSK_WITH_AES_256_CBC_SHA384";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_NULL_SHA256:
|
|
return "TLS_DHE_PSK_WITH_NULL_SHA256";
|
|
break;
|
|
case TLS_DHE_PSK_WITH_NULL_SHA384:
|
|
return "TLS_RSA_PSK_WITH_NULL_SHA384";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_AES_128_CBC_SHA256:
|
|
return "TLS_RSA_PSK_WITH_AES_128_CBC_SHA256";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_AES_256_CBC_SHA384:
|
|
return "TLS_RSA_PSK_WITH_AES_256_CBC_SHA384";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_NULL_SHA256:
|
|
return "TLS_RSA_PSK_WITH_NULL_SHA256";
|
|
break;
|
|
case TLS_RSA_PSK_WITH_NULL_SHA384:
|
|
return "TLS_RSA_PSK_WITH_NULL_SHA384";
|
|
break;
|
|
#endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
|
|
}
|
|
return "TLS_NULL_WITH_NULL_NULL";
|
|
}
|
|
|
|
#if CURL_BUILD_MAC
|
|
CF_INLINE void GetDarwinVersionNumber(int *major, int *minor)
|
|
{
|
|
int mib[2];
|
|
char *os_version;
|
|
size_t os_version_len;
|
|
char *os_version_major, *os_version_minor/*, *os_version_point*/;
|
|
char *tok_buf;
|
|
|
|
/* Get the Darwin kernel version from the kernel using sysctl(): */
|
|
mib[0] = CTL_KERN;
|
|
mib[1] = KERN_OSRELEASE;
|
|
if(sysctl(mib, 2, NULL, &os_version_len, NULL, 0) == -1)
|
|
return;
|
|
os_version = malloc(os_version_len*sizeof(char));
|
|
if(!os_version)
|
|
return;
|
|
if(sysctl(mib, 2, os_version, &os_version_len, NULL, 0) == -1) {
|
|
free(os_version);
|
|
return;
|
|
}
|
|
|
|
/* Parse the version: */
|
|
os_version_major = strtok_r(os_version, ".", &tok_buf);
|
|
os_version_minor = strtok_r(NULL, ".", &tok_buf);
|
|
/*os_version_point = strtok_r(NULL, ".", &tok_buf);*/
|
|
*major = atoi(os_version_major);
|
|
*minor = atoi(os_version_minor);
|
|
free(os_version);
|
|
}
|
|
#endif /* CURL_BUILD_MAC */
|
|
|
|
/* Apple provides a myriad of ways of getting information about a certificate
|
|
into a string. Some aren't available under iOS or newer cats. So here's
|
|
a unified function for getting a string describing the certificate that
|
|
ought to work in all cats starting with Leopard. */
|
|
CF_INLINE CFStringRef CopyCertSubject(SecCertificateRef cert)
|
|
{
|
|
CFStringRef server_cert_summary = CFSTR("(null)");
|
|
|
|
#if CURL_BUILD_IOS
|
|
/* iOS: There's only one way to do this. */
|
|
server_cert_summary = SecCertificateCopySubjectSummary(cert);
|
|
#else
|
|
#if CURL_BUILD_MAC_10_7
|
|
/* Lion & later: Get the long description if we can. */
|
|
if(SecCertificateCopyLongDescription != NULL)
|
|
server_cert_summary =
|
|
SecCertificateCopyLongDescription(NULL, cert, NULL);
|
|
else
|
|
#endif /* CURL_BUILD_MAC_10_7 */
|
|
#if CURL_BUILD_MAC_10_6
|
|
/* Snow Leopard: Get the certificate summary. */
|
|
if(SecCertificateCopySubjectSummary != NULL)
|
|
server_cert_summary = SecCertificateCopySubjectSummary(cert);
|
|
else
|
|
#endif /* CURL_BUILD_MAC_10_6 */
|
|
/* Leopard is as far back as we go... */
|
|
(void)SecCertificateCopyCommonName(cert, &server_cert_summary);
|
|
#endif /* CURL_BUILD_IOS */
|
|
return server_cert_summary;
|
|
}
|
|
|
|
#if CURL_SUPPORT_MAC_10_6
|
|
/* The SecKeychainSearch API was deprecated in Lion, and using it will raise
|
|
deprecation warnings, so let's not compile this unless it's necessary: */
|
|
static OSStatus CopyIdentityWithLabelOldSchool(char *label,
|
|
SecIdentityRef *out_c_a_k)
|
|
{
|
|
OSStatus status = errSecItemNotFound;
|
|
SecKeychainAttributeList attr_list;
|
|
SecKeychainAttribute attr;
|
|
SecKeychainSearchRef search = NULL;
|
|
SecCertificateRef cert = NULL;
|
|
|
|
/* Set up the attribute list: */
|
|
attr_list.count = 1L;
|
|
attr_list.attr = &attr;
|
|
|
|
/* Set up our lone search criterion: */
|
|
attr.tag = kSecLabelItemAttr;
|
|
attr.data = label;
|
|
attr.length = (UInt32)strlen(label);
|
|
|
|
/* Start searching: */
|
|
status = SecKeychainSearchCreateFromAttributes(NULL,
|
|
kSecCertificateItemClass,
|
|
&attr_list,
|
|
&search);
|
|
if(status == noErr) {
|
|
status = SecKeychainSearchCopyNext(search,
|
|
(SecKeychainItemRef *)&cert);
|
|
if(status == noErr && cert) {
|
|
/* If we found a certificate, does it have a private key? */
|
|
status = SecIdentityCreateWithCertificate(NULL, cert, out_c_a_k);
|
|
CFRelease(cert);
|
|
}
|
|
}
|
|
|
|
if(search)
|
|
CFRelease(search);
|
|
return status;
|
|
}
|
|
#endif /* CURL_SUPPORT_MAC_10_6 */
|
|
|
|
static OSStatus CopyIdentityWithLabel(char *label,
|
|
SecIdentityRef *out_cert_and_key)
|
|
{
|
|
OSStatus status = errSecItemNotFound;
|
|
|
|
#if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
|
|
/* SecItemCopyMatching() was introduced in iOS and Snow Leopard.
|
|
kSecClassIdentity was introduced in Lion. If both exist, let's use them
|
|
to find the certificate. */
|
|
if(SecItemCopyMatching != NULL && kSecClassIdentity != NULL) {
|
|
CFTypeRef keys[4];
|
|
CFTypeRef values[4];
|
|
CFDictionaryRef query_dict;
|
|
CFStringRef label_cf = CFStringCreateWithCString(NULL, label,
|
|
kCFStringEncodingUTF8);
|
|
|
|
/* Set up our search criteria and expected results: */
|
|
values[0] = kSecClassIdentity; /* we want a certificate and a key */
|
|
keys[0] = kSecClass;
|
|
values[1] = kCFBooleanTrue; /* we want a reference */
|
|
keys[1] = kSecReturnRef;
|
|
values[2] = kSecMatchLimitOne; /* one is enough, thanks */
|
|
keys[2] = kSecMatchLimit;
|
|
/* identity searches need a SecPolicyRef in order to work */
|
|
values[3] = SecPolicyCreateSSL(false, label_cf);
|
|
keys[3] = kSecMatchPolicy;
|
|
query_dict = CFDictionaryCreate(NULL, (const void **)keys,
|
|
(const void **)values, 4L,
|
|
&kCFCopyStringDictionaryKeyCallBacks,
|
|
&kCFTypeDictionaryValueCallBacks);
|
|
CFRelease(values[3]);
|
|
CFRelease(label_cf);
|
|
|
|
/* Do we have a match? */
|
|
status = SecItemCopyMatching(query_dict, (CFTypeRef *)out_cert_and_key);
|
|
CFRelease(query_dict);
|
|
}
|
|
else {
|
|
#if CURL_SUPPORT_MAC_10_6
|
|
/* On Leopard and Snow Leopard, fall back to SecKeychainSearch. */
|
|
status = CopyIdentityWithLabelOldSchool(label, out_cert_and_key);
|
|
#endif /* CURL_SUPPORT_MAC_10_7 */
|
|
}
|
|
#elif CURL_SUPPORT_MAC_10_6
|
|
/* For developers building on older cats, we have no choice but to fall back
|
|
to SecKeychainSearch. */
|
|
status = CopyIdentityWithLabelOldSchool(label, out_cert_and_key);
|
|
#endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
|
|
return status;
|
|
}
|
|
|
|
static OSStatus CopyIdentityFromPKCS12File(const char *cPath,
|
|
const char *cPassword,
|
|
SecIdentityRef *out_cert_and_key)
|
|
{
|
|
OSStatus status = errSecItemNotFound;
|
|
CFURLRef pkcs_url = CFURLCreateFromFileSystemRepresentation(NULL,
|
|
(const UInt8 *)cPath, strlen(cPath), false);
|
|
CFStringRef password = cPassword ? CFStringCreateWithCString(NULL,
|
|
cPassword, kCFStringEncodingUTF8) : NULL;
|
|
CFDataRef pkcs_data = NULL;
|
|
|
|
/* We can import P12 files on iOS or OS X 10.7 or later: */
|
|
/* These constants are documented as having first appeared in 10.6 but they
|
|
raise linker errors when used on that cat for some reason. */
|
|
#if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
|
|
if(CFURLCreateDataAndPropertiesFromResource(NULL, pkcs_url, &pkcs_data,
|
|
NULL, NULL, &status)) {
|
|
const void *cKeys[] = {kSecImportExportPassphrase};
|
|
const void *cValues[] = {password};
|
|
CFDictionaryRef options = CFDictionaryCreate(NULL, cKeys, cValues,
|
|
password ? 1L : 0L, NULL, NULL);
|
|
CFArrayRef items = NULL;
|
|
|
|
/* Here we go: */
|
|
status = SecPKCS12Import(pkcs_data, options, &items);
|
|
if(status == noErr && items && CFArrayGetCount(items)) {
|
|
CFDictionaryRef identity_and_trust = CFArrayGetValueAtIndex(items, 0L);
|
|
const void *temp_identity = CFDictionaryGetValue(identity_and_trust,
|
|
kSecImportItemIdentity);
|
|
|
|
/* Retain the identity; we don't care about any other data... */
|
|
CFRetain(temp_identity);
|
|
*out_cert_and_key = (SecIdentityRef)temp_identity;
|
|
}
|
|
|
|
if(items)
|
|
CFRelease(items);
|
|
CFRelease(options);
|
|
CFRelease(pkcs_data);
|
|
}
|
|
#endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
|
|
if(password)
|
|
CFRelease(password);
|
|
CFRelease(pkcs_url);
|
|
return status;
|
|
}
|
|
|
|
/* This code was borrowed from nss.c, with some modifications:
|
|
* Determine whether the nickname passed in is a filename that needs to
|
|
* be loaded as a PEM or a regular NSS nickname.
|
|
*
|
|
* returns 1 for a file
|
|
* returns 0 for not a file
|
|
*/
|
|
CF_INLINE bool is_file(const char *filename)
|
|
{
|
|
struct_stat st;
|
|
|
|
if(filename == NULL)
|
|
return false;
|
|
|
|
if(stat(filename, &st) == 0)
|
|
return S_ISREG(st.st_mode);
|
|
return false;
|
|
}
|
|
|
|
static CURLcode darwinssl_connect_step1(struct connectdata *conn,
|
|
int sockindex)
|
|
{
|
|
struct SessionHandle *data = conn->data;
|
|
curl_socket_t sockfd = conn->sock[sockindex];
|
|
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
|
#ifdef ENABLE_IPV6
|
|
struct in6_addr addr;
|
|
#else
|
|
struct in_addr addr;
|
|
#endif /* ENABLE_IPV6 */
|
|
size_t all_ciphers_count = 0UL, allowed_ciphers_count = 0UL, i;
|
|
SSLCipherSuite *all_ciphers = NULL, *allowed_ciphers = NULL;
|
|
char *ssl_sessionid;
|
|
size_t ssl_sessionid_len;
|
|
OSStatus err = noErr;
|
|
#if CURL_BUILD_MAC
|
|
int darwinver_maj = 0, darwinver_min = 0;
|
|
|
|
GetDarwinVersionNumber(&darwinver_maj, &darwinver_min);
|
|
#endif /* CURL_BUILD_MAC */
|
|
|
|
#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|
if(SSLCreateContext != NULL) { /* use the newer API if avaialble */
|
|
if(connssl->ssl_ctx)
|
|
CFRelease(connssl->ssl_ctx);
|
|
connssl->ssl_ctx = SSLCreateContext(NULL, kSSLClientSide, kSSLStreamType);
|
|
if(!connssl->ssl_ctx) {
|
|
failf(data, "SSL: couldn't create a context!");
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
}
|
|
else {
|
|
/* The old ST API does not exist under iOS, so don't compile it: */
|
|
#if CURL_SUPPORT_MAC_10_8
|
|
if(connssl->ssl_ctx)
|
|
(void)SSLDisposeContext(connssl->ssl_ctx);
|
|
err = SSLNewContext(false, &(connssl->ssl_ctx));
|
|
if(err != noErr) {
|
|
failf(data, "SSL: couldn't create a context: OSStatus %d", err);
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
#endif /* CURL_SUPPORT_MAC_10_8 */
|
|
}
|
|
#else
|
|
if(connssl->ssl_ctx)
|
|
(void)SSLDisposeContext(connssl->ssl_ctx);
|
|
err = SSLNewContext(false, &(connssl->ssl_ctx));
|
|
if(err != noErr) {
|
|
failf(data, "SSL: couldn't create a context: OSStatus %d", err);
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|
connssl->ssl_write_buffered_length = 0UL; /* reset buffered write length */
|
|
|
|
/* check to see if we've been told to use an explicit SSL/TLS version */
|
|
#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|
if(SSLSetProtocolVersionMax != NULL) {
|
|
switch(data->set.ssl.version) {
|
|
default:
|
|
case CURL_SSLVERSION_DEFAULT:
|
|
case CURL_SSLVERSION_TLSv1:
|
|
(void)SSLSetProtocolVersionMin(connssl->ssl_ctx, kTLSProtocol1);
|
|
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kTLSProtocol12);
|
|
break;
|
|
case CURL_SSLVERSION_TLSv1_0:
|
|
(void)SSLSetProtocolVersionMin(connssl->ssl_ctx, kTLSProtocol1);
|
|
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kTLSProtocol1);
|
|
break;
|
|
case CURL_SSLVERSION_TLSv1_1:
|
|
(void)SSLSetProtocolVersionMin(connssl->ssl_ctx, kTLSProtocol11);
|
|
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kTLSProtocol11);
|
|
break;
|
|
case CURL_SSLVERSION_TLSv1_2:
|
|
(void)SSLSetProtocolVersionMin(connssl->ssl_ctx, kTLSProtocol12);
|
|
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kTLSProtocol12);
|
|
break;
|
|
case CURL_SSLVERSION_SSLv3:
|
|
err = SSLSetProtocolVersionMin(connssl->ssl_ctx, kSSLProtocol3);
|
|
if(err != noErr) {
|
|
failf(data, "Your version of the OS does not support SSLv3");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kSSLProtocol3);
|
|
break;
|
|
case CURL_SSLVERSION_SSLv2:
|
|
err = SSLSetProtocolVersionMin(connssl->ssl_ctx, kSSLProtocol2);
|
|
if(err != noErr) {
|
|
failf(data, "Your version of the OS does not support SSLv2");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
(void)SSLSetProtocolVersionMax(connssl->ssl_ctx, kSSLProtocol2);
|
|
}
|
|
}
|
|
else {
|
|
#if CURL_SUPPORT_MAC_10_8
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kSSLProtocolAll,
|
|
false);
|
|
switch (data->set.ssl.version) {
|
|
default:
|
|
case CURL_SSLVERSION_DEFAULT:
|
|
case CURL_SSLVERSION_TLSv1:
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kTLSProtocol1,
|
|
true);
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kTLSProtocol11,
|
|
true);
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kTLSProtocol12,
|
|
true);
|
|
break;
|
|
case CURL_SSLVERSION_TLSv1_0:
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kTLSProtocol1,
|
|
true);
|
|
break;
|
|
case CURL_SSLVERSION_TLSv1_1:
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kTLSProtocol11,
|
|
true);
|
|
break;
|
|
case CURL_SSLVERSION_TLSv1_2:
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kTLSProtocol12,
|
|
true);
|
|
break;
|
|
case CURL_SSLVERSION_SSLv3:
|
|
err = SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kSSLProtocol3,
|
|
true);
|
|
if(err != noErr) {
|
|
failf(data, "Your version of the OS does not support SSLv3");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
break;
|
|
case CURL_SSLVERSION_SSLv2:
|
|
err = SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kSSLProtocol2,
|
|
true);
|
|
if(err != noErr) {
|
|
failf(data, "Your version of the OS does not support SSLv2");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
break;
|
|
}
|
|
#endif /* CURL_SUPPORT_MAC_10_8 */
|
|
}
|
|
#else
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx, kSSLProtocolAll, false);
|
|
switch(data->set.ssl.version) {
|
|
default:
|
|
case CURL_SSLVERSION_DEFAULT:
|
|
case CURL_SSLVERSION_TLSv1:
|
|
case CURL_SSLVERSION_TLSv1_0:
|
|
(void)SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kTLSProtocol1,
|
|
true);
|
|
break;
|
|
case CURL_SSLVERSION_TLSv1_1:
|
|
failf(data, "Your version of the OS does not support TLSv1.1");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
case CURL_SSLVERSION_TLSv1_2:
|
|
failf(data, "Your version of the OS does not support TLSv1.2");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
case CURL_SSLVERSION_SSLv2:
|
|
err = SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kSSLProtocol2,
|
|
true);
|
|
if(err != noErr) {
|
|
failf(data, "Your version of the OS does not support SSLv2");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
break;
|
|
case CURL_SSLVERSION_SSLv3:
|
|
err = SSLSetProtocolVersionEnabled(connssl->ssl_ctx,
|
|
kSSLProtocol3,
|
|
true);
|
|
if(err != noErr) {
|
|
failf(data, "Your version of the OS does not support SSLv3");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
break;
|
|
}
|
|
#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|
|
|
if(data->set.str[STRING_KEY]) {
|
|
infof(data, "WARNING: SSL: CURLOPT_SSLKEY is ignored by Secure "
|
|
"Transport. The private key must be in the Keychain.\n");
|
|
}
|
|
|
|
if(data->set.str[STRING_CERT]) {
|
|
SecIdentityRef cert_and_key = NULL;
|
|
bool is_cert_file = is_file(data->set.str[STRING_CERT]);
|
|
|
|
/* User wants to authenticate with a client cert. Look for it:
|
|
If we detect that this is a file on disk, then let's load it.
|
|
Otherwise, assume that the user wants to use an identity loaded
|
|
from the Keychain. */
|
|
if(is_cert_file) {
|
|
if(!data->set.str[STRING_CERT_TYPE])
|
|
infof(data, "WARNING: SSL: Certificate type not set, assuming "
|
|
"PKCS#12 format.\n");
|
|
else if(strncmp(data->set.str[STRING_CERT_TYPE], "P12",
|
|
strlen(data->set.str[STRING_CERT_TYPE])) != 0)
|
|
infof(data, "WARNING: SSL: The Security framework only supports "
|
|
"loading identities that are in PKCS#12 format.\n");
|
|
|
|
err = CopyIdentityFromPKCS12File(data->set.str[STRING_CERT],
|
|
data->set.str[STRING_KEY_PASSWD], &cert_and_key);
|
|
}
|
|
else
|
|
err = CopyIdentityWithLabel(data->set.str[STRING_CERT], &cert_and_key);
|
|
|
|
if(err == noErr) {
|
|
SecCertificateRef cert = NULL;
|
|
CFTypeRef certs_c[1];
|
|
CFArrayRef certs;
|
|
|
|
/* If we found one, print it out: */
|
|
err = SecIdentityCopyCertificate(cert_and_key, &cert);
|
|
if(err == noErr) {
|
|
CFStringRef cert_summary = CopyCertSubject(cert);
|
|
char cert_summary_c[128];
|
|
|
|
if(cert_summary) {
|
|
memset(cert_summary_c, 0, 128);
|
|
if(CFStringGetCString(cert_summary,
|
|
cert_summary_c,
|
|
128,
|
|
kCFStringEncodingUTF8)) {
|
|
infof(data, "Client certificate: %s\n", cert_summary_c);
|
|
}
|
|
CFRelease(cert_summary);
|
|
CFRelease(cert);
|
|
}
|
|
}
|
|
certs_c[0] = cert_and_key;
|
|
certs = CFArrayCreate(NULL, (const void **)certs_c, 1L,
|
|
&kCFTypeArrayCallBacks);
|
|
err = SSLSetCertificate(connssl->ssl_ctx, certs);
|
|
if(certs)
|
|
CFRelease(certs);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetCertificate() failed: OSStatus %d", err);
|
|
return CURLE_SSL_CERTPROBLEM;
|
|
}
|
|
CFRelease(cert_and_key);
|
|
}
|
|
else {
|
|
switch(err) {
|
|
case errSecAuthFailed: case -25264: /* errSecPkcs12VerifyFailure */
|
|
failf(data, "SSL: Incorrect password for the certificate \"%s\" "
|
|
"and its private key.", data->set.str[STRING_CERT]);
|
|
break;
|
|
case -26275: /* errSecDecode */ case -25257: /* errSecUnknownFormat */
|
|
failf(data, "SSL: Couldn't make sense of the data in the "
|
|
"certificate \"%s\" and its private key.",
|
|
data->set.str[STRING_CERT]);
|
|
break;
|
|
case -25260: /* errSecPassphraseRequired */
|
|
failf(data, "SSL The certificate \"%s\" requires a password.",
|
|
data->set.str[STRING_CERT]);
|
|
break;
|
|
case errSecItemNotFound:
|
|
failf(data, "SSL: Can't find the certificate \"%s\" and its private "
|
|
"key in the Keychain.", data->set.str[STRING_CERT]);
|
|
break;
|
|
default:
|
|
failf(data, "SSL: Can't load the certificate \"%s\" and its private "
|
|
"key: OSStatus %d", data->set.str[STRING_CERT], err);
|
|
break;
|
|
}
|
|
return CURLE_SSL_CERTPROBLEM;
|
|
}
|
|
}
|
|
|
|
/* 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
|
|
* anyway. In the latter case the result of the verification is checked with
|
|
* SSL_get_verify_result() below. */
|
|
#if CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS
|
|
/* Snow Leopard introduced the SSLSetSessionOption() function, but due to
|
|
a library bug with the way the kSSLSessionOptionBreakOnServerAuth flag
|
|
works, it doesn't work as expected under Snow Leopard or Lion.
|
|
So we need to call SSLSetEnableCertVerify() on those older cats in order
|
|
to disable certificate validation if the user turned that off.
|
|
(SecureTransport will always validate the certificate chain by
|
|
default.) */
|
|
/* (Note: Darwin 12.x.x is Mountain Lion.) */
|
|
#if CURL_BUILD_MAC
|
|
if(SSLSetSessionOption != NULL && darwinver_maj >= 12) {
|
|
#else
|
|
if(SSLSetSessionOption != NULL) {
|
|
#endif /* CURL_BUILD_MAC */
|
|
bool break_on_auth = !data->set.ssl.verifypeer ||
|
|
data->set.str[STRING_SSL_CAFILE];
|
|
err = SSLSetSessionOption(connssl->ssl_ctx,
|
|
kSSLSessionOptionBreakOnServerAuth,
|
|
break_on_auth);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetSessionOption() failed: OSStatus %d", err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
}
|
|
else {
|
|
#if CURL_SUPPORT_MAC_10_8
|
|
err = SSLSetEnableCertVerify(connssl->ssl_ctx,
|
|
data->set.ssl.verifypeer?true:false);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetEnableCertVerify() failed: OSStatus %d", err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
#endif /* CURL_SUPPORT_MAC_10_8 */
|
|
}
|
|
#else
|
|
err = SSLSetEnableCertVerify(connssl->ssl_ctx,
|
|
data->set.ssl.verifypeer?true:false);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetEnableCertVerify() failed: OSStatus %d", err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
#endif /* CURL_BUILD_MAC_10_6 || CURL_BUILD_IOS */
|
|
|
|
if(data->set.str[STRING_SSL_CAFILE]) {
|
|
bool is_cert_file = is_file(data->set.str[STRING_SSL_CAFILE]);
|
|
|
|
if(!is_cert_file) {
|
|
failf(data, "SSL: can't load CA certificate file %s",
|
|
data->set.str[STRING_SSL_CAFILE]);
|
|
return CURLE_SSL_CACERT_BADFILE;
|
|
}
|
|
if(!data->set.ssl.verifypeer) {
|
|
failf(data, "SSL: CA certificate set, but certificate verification "
|
|
"is disabled");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
}
|
|
|
|
/* Configure hostname check. SNI is used if available.
|
|
* Both hostname check and SNI require SSLSetPeerDomainName().
|
|
* Also: the verifyhost setting influences SNI usage */
|
|
if(data->set.ssl.verifyhost) {
|
|
err = SSLSetPeerDomainName(connssl->ssl_ctx, conn->host.name,
|
|
strlen(conn->host.name));
|
|
|
|
if(err != noErr) {
|
|
infof(data, "WARNING: SSL: SSLSetPeerDomainName() failed: OSStatus %d\n",
|
|
err);
|
|
}
|
|
|
|
if((Curl_inet_pton(AF_INET, conn->host.name, &addr))
|
|
#ifdef ENABLE_IPV6
|
|
|| (Curl_inet_pton(AF_INET6, conn->host.name, &addr))
|
|
#endif
|
|
) {
|
|
infof(data, "WARNING: using IP address, SNI is being disabled by "
|
|
"the OS.\n");
|
|
}
|
|
}
|
|
|
|
/* Disable cipher suites that ST supports but are not safe. These ciphers
|
|
are unlikely to be used in any case since ST gives other ciphers a much
|
|
higher priority, but it's probably better that we not connect at all than
|
|
to give the user a false sense of security if the server only supports
|
|
insecure ciphers. (Note: We don't care about SSLv2-only ciphers.) */
|
|
(void)SSLGetNumberSupportedCiphers(connssl->ssl_ctx, &all_ciphers_count);
|
|
all_ciphers = malloc(all_ciphers_count*sizeof(SSLCipherSuite));
|
|
allowed_ciphers = malloc(all_ciphers_count*sizeof(SSLCipherSuite));
|
|
if(all_ciphers && allowed_ciphers &&
|
|
SSLGetSupportedCiphers(connssl->ssl_ctx, all_ciphers,
|
|
&all_ciphers_count) == noErr) {
|
|
for(i = 0UL ; i < all_ciphers_count ; i++) {
|
|
#if CURL_BUILD_MAC
|
|
/* There's a known bug in early versions of Mountain Lion where ST's ECC
|
|
ciphers (cipher suite 0xC001 through 0xC032) simply do not work.
|
|
Work around the problem here by disabling those ciphers if we are
|
|
running in an affected version of OS X. */
|
|
if(darwinver_maj == 12 && darwinver_min <= 3 &&
|
|
all_ciphers[i] >= 0xC001 && all_ciphers[i] <= 0xC032) {
|
|
continue;
|
|
}
|
|
#endif /* CURL_BUILD_MAC */
|
|
switch(all_ciphers[i]) {
|
|
/* Disable NULL ciphersuites: */
|
|
case SSL_NULL_WITH_NULL_NULL:
|
|
case SSL_RSA_WITH_NULL_MD5:
|
|
case SSL_RSA_WITH_NULL_SHA:
|
|
case 0x003B: /* TLS_RSA_WITH_NULL_SHA256 */
|
|
case SSL_FORTEZZA_DMS_WITH_NULL_SHA:
|
|
case 0xC001: /* TLS_ECDH_ECDSA_WITH_NULL_SHA */
|
|
case 0xC006: /* TLS_ECDHE_ECDSA_WITH_NULL_SHA */
|
|
case 0xC00B: /* TLS_ECDH_RSA_WITH_NULL_SHA */
|
|
case 0xC010: /* TLS_ECDHE_RSA_WITH_NULL_SHA */
|
|
case 0x002C: /* TLS_PSK_WITH_NULL_SHA */
|
|
case 0x002D: /* TLS_DHE_PSK_WITH_NULL_SHA */
|
|
case 0x002E: /* TLS_RSA_PSK_WITH_NULL_SHA */
|
|
case 0x00B0: /* TLS_PSK_WITH_NULL_SHA256 */
|
|
case 0x00B1: /* TLS_PSK_WITH_NULL_SHA384 */
|
|
case 0x00B4: /* TLS_DHE_PSK_WITH_NULL_SHA256 */
|
|
case 0x00B5: /* TLS_DHE_PSK_WITH_NULL_SHA384 */
|
|
case 0x00B8: /* TLS_RSA_PSK_WITH_NULL_SHA256 */
|
|
case 0x00B9: /* TLS_RSA_PSK_WITH_NULL_SHA384 */
|
|
/* Disable anonymous ciphersuites: */
|
|
case SSL_DH_anon_EXPORT_WITH_RC4_40_MD5:
|
|
case SSL_DH_anon_WITH_RC4_128_MD5:
|
|
case SSL_DH_anon_EXPORT_WITH_DES40_CBC_SHA:
|
|
case SSL_DH_anon_WITH_DES_CBC_SHA:
|
|
case SSL_DH_anon_WITH_3DES_EDE_CBC_SHA:
|
|
case TLS_DH_anon_WITH_AES_128_CBC_SHA:
|
|
case TLS_DH_anon_WITH_AES_256_CBC_SHA:
|
|
case 0xC015: /* TLS_ECDH_anon_WITH_NULL_SHA */
|
|
case 0xC016: /* TLS_ECDH_anon_WITH_RC4_128_SHA */
|
|
case 0xC017: /* TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA */
|
|
case 0xC018: /* TLS_ECDH_anon_WITH_AES_128_CBC_SHA */
|
|
case 0xC019: /* TLS_ECDH_anon_WITH_AES_256_CBC_SHA */
|
|
case 0x006C: /* TLS_DH_anon_WITH_AES_128_CBC_SHA256 */
|
|
case 0x006D: /* TLS_DH_anon_WITH_AES_256_CBC_SHA256 */
|
|
case 0x00A6: /* TLS_DH_anon_WITH_AES_128_GCM_SHA256 */
|
|
case 0x00A7: /* TLS_DH_anon_WITH_AES_256_GCM_SHA384 */
|
|
/* Disable weak key ciphersuites: */
|
|
case SSL_RSA_EXPORT_WITH_RC4_40_MD5:
|
|
case SSL_RSA_EXPORT_WITH_RC2_CBC_40_MD5:
|
|
case SSL_RSA_EXPORT_WITH_DES40_CBC_SHA:
|
|
case SSL_DH_DSS_EXPORT_WITH_DES40_CBC_SHA:
|
|
case SSL_DH_RSA_EXPORT_WITH_DES40_CBC_SHA:
|
|
case SSL_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA:
|
|
case SSL_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA:
|
|
case SSL_RSA_WITH_DES_CBC_SHA:
|
|
case SSL_DH_DSS_WITH_DES_CBC_SHA:
|
|
case SSL_DH_RSA_WITH_DES_CBC_SHA:
|
|
case SSL_DHE_DSS_WITH_DES_CBC_SHA:
|
|
case SSL_DHE_RSA_WITH_DES_CBC_SHA:
|
|
/* Disable IDEA: */
|
|
case SSL_RSA_WITH_IDEA_CBC_SHA:
|
|
case SSL_RSA_WITH_IDEA_CBC_MD5:
|
|
break;
|
|
default: /* enable everything else */
|
|
allowed_ciphers[allowed_ciphers_count++] = all_ciphers[i];
|
|
break;
|
|
}
|
|
}
|
|
err = SSLSetEnabledCiphers(connssl->ssl_ctx, allowed_ciphers,
|
|
allowed_ciphers_count);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetEnabledCiphers() failed: OSStatus %d", err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
}
|
|
else {
|
|
Curl_safefree(all_ciphers);
|
|
Curl_safefree(allowed_ciphers);
|
|
failf(data, "SSL: Failed to allocate memory for allowed ciphers");
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
Curl_safefree(all_ciphers);
|
|
Curl_safefree(allowed_ciphers);
|
|
|
|
#if CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7
|
|
/* We want to enable 1/n-1 when using a CBC cipher unless the user
|
|
specifically doesn't want us doing that: */
|
|
if(SSLSetSessionOption != NULL)
|
|
SSLSetSessionOption(connssl->ssl_ctx, kSSLSessionOptionSendOneByteRecord,
|
|
!data->set.ssl_enable_beast);
|
|
#endif /* CURL_BUILD_MAC_10_9 || CURL_BUILD_IOS_7 */
|
|
|
|
/* Check if there's a cached ID we can/should use here! */
|
|
if(!Curl_ssl_getsessionid(conn, (void **)&ssl_sessionid,
|
|
&ssl_sessionid_len)) {
|
|
/* we got a session id, use it! */
|
|
err = SSLSetPeerID(connssl->ssl_ctx, ssl_sessionid, ssl_sessionid_len);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetPeerID() failed: OSStatus %d", err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
/* Informational message */
|
|
infof(data, "SSL re-using session ID\n");
|
|
}
|
|
/* If there isn't one, then let's make one up! This has to be done prior
|
|
to starting the handshake. */
|
|
else {
|
|
CURLcode retcode;
|
|
|
|
ssl_sessionid = malloc(256*sizeof(char));
|
|
ssl_sessionid_len = snprintf(ssl_sessionid, 256, "curl:%s:%hu",
|
|
conn->host.name, conn->remote_port);
|
|
err = SSLSetPeerID(connssl->ssl_ctx, ssl_sessionid, ssl_sessionid_len);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetPeerID() failed: OSStatus %d", err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
retcode = Curl_ssl_addsessionid(conn, ssl_sessionid, ssl_sessionid_len);
|
|
if(retcode!= CURLE_OK) {
|
|
failf(data, "failed to store ssl session");
|
|
return retcode;
|
|
}
|
|
}
|
|
|
|
err = SSLSetIOFuncs(connssl->ssl_ctx, SocketRead, SocketWrite);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetIOFuncs() failed: OSStatus %d", err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
|
|
/* pass the raw socket into the SSL layers */
|
|
/* We need to store the FD in a constant memory address, because
|
|
* SSLSetConnection() will not copy that address. I've found that
|
|
* conn->sock[sockindex] may change on its own. */
|
|
connssl->ssl_sockfd = sockfd;
|
|
err = SSLSetConnection(connssl->ssl_ctx, connssl);
|
|
if(err != noErr) {
|
|
failf(data, "SSL: SSLSetConnection() failed: %d", err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
|
|
connssl->connecting_state = ssl_connect_2;
|
|
return CURLE_OK;
|
|
}
|
|
|
|
static long pem_to_der(const char *in, unsigned char **out, size_t *outlen)
|
|
{
|
|
char *sep_start, *sep_end, *cert_start, *cert_end;
|
|
size_t i, j, err;
|
|
size_t len;
|
|
unsigned char *b64;
|
|
|
|
/* Jump through the separators at the beginning of the certificate. */
|
|
sep_start = strstr(in, "-----");
|
|
if(sep_start == NULL)
|
|
return 0;
|
|
cert_start = strstr(sep_start + 1, "-----");
|
|
if(cert_start == NULL)
|
|
return -1;
|
|
|
|
cert_start += 5;
|
|
|
|
/* Find separator after the end of the certificate. */
|
|
cert_end = strstr(cert_start, "-----");
|
|
if(cert_end == NULL)
|
|
return -1;
|
|
|
|
sep_end = strstr(cert_end + 1, "-----");
|
|
if(sep_end == NULL)
|
|
return -1;
|
|
sep_end += 5;
|
|
|
|
len = cert_end - cert_start;
|
|
b64 = malloc(len + 1);
|
|
if(!b64)
|
|
return -1;
|
|
|
|
/* Create base64 string without linefeeds. */
|
|
for(i = 0, j = 0; i < len; i++) {
|
|
if(cert_start[i] != '\r' && cert_start[i] != '\n')
|
|
b64[j++] = cert_start[i];
|
|
}
|
|
b64[j] = '\0';
|
|
|
|
err = Curl_base64_decode((const char *)b64, out, outlen);
|
|
free(b64);
|
|
if(err) {
|
|
free(*out);
|
|
return -1;
|
|
}
|
|
|
|
return sep_end - in;
|
|
}
|
|
|
|
static int read_cert(const char *file, unsigned char **out, size_t *outlen)
|
|
{
|
|
int fd;
|
|
ssize_t n, len = 0, cap = 512;
|
|
unsigned char buf[cap], *data;
|
|
|
|
fd = open(file, 0);
|
|
if(fd < 0)
|
|
return -1;
|
|
|
|
data = malloc(cap);
|
|
if(!data) {
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
for(;;) {
|
|
n = read(fd, buf, sizeof(buf));
|
|
if(n < 0) {
|
|
close(fd);
|
|
free(data);
|
|
return -1;
|
|
}
|
|
else if(n == 0) {
|
|
close(fd);
|
|
break;
|
|
}
|
|
|
|
if(len + n >= cap) {
|
|
cap *= 2;
|
|
data = realloc(data, cap);
|
|
if(!data) {
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
}
|
|
|
|
memcpy(data + len, buf, n);
|
|
len += n;
|
|
}
|
|
data[len] = '\0';
|
|
|
|
*out = data;
|
|
*outlen = len;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int sslerr_to_curlerr(struct SessionHandle *data, int err)
|
|
{
|
|
switch(err) {
|
|
case errSSLXCertChainInvalid:
|
|
failf(data, "SSL certificate problem: Invalid certificate chain");
|
|
return CURLE_SSL_CACERT;
|
|
case errSSLUnknownRootCert:
|
|
failf(data, "SSL certificate problem: Untrusted root certificate");
|
|
return CURLE_SSL_CACERT;
|
|
case errSSLNoRootCert:
|
|
failf(data, "SSL certificate problem: No root certificate");
|
|
return CURLE_SSL_CACERT;
|
|
case errSSLCertExpired:
|
|
failf(data, "SSL certificate problem: Certificate chain had an "
|
|
"expired certificate");
|
|
return CURLE_SSL_CACERT;
|
|
case errSSLBadCert:
|
|
failf(data, "SSL certificate problem: Couldn't understand the server "
|
|
"certificate format");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
case errSSLHostNameMismatch:
|
|
failf(data, "SSL certificate peer hostname mismatch");
|
|
return CURLE_PEER_FAILED_VERIFICATION;
|
|
default:
|
|
failf(data, "SSL unexpected certificate error %d", err);
|
|
return CURLE_SSL_CACERT;
|
|
}
|
|
}
|
|
|
|
static int append_cert_to_array(struct SessionHandle *data,
|
|
unsigned char *buf, size_t buflen,
|
|
CFMutableArrayRef array)
|
|
{
|
|
CFDataRef certdata = CFDataCreate(kCFAllocatorDefault, buf, buflen);
|
|
if(!certdata) {
|
|
failf(data, "SSL: failed to allocate array for CA certificate");
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
SecCertificateRef cacert =
|
|
SecCertificateCreateWithData(kCFAllocatorDefault, certdata);
|
|
CFRelease(certdata);
|
|
if(!cacert) {
|
|
failf(data, "SSL: failed to create SecCertificate from CA certificate");
|
|
return CURLE_SSL_CACERT;
|
|
}
|
|
|
|
/* Check if cacert is valid. */
|
|
CFStringRef subject = CopyCertSubject(cacert);
|
|
if(subject) {
|
|
char subject_cbuf[128];
|
|
memset(subject_cbuf, 0, 128);
|
|
if(!CFStringGetCString(subject,
|
|
subject_cbuf,
|
|
128,
|
|
kCFStringEncodingUTF8)) {
|
|
CFRelease(cacert);
|
|
failf(data, "SSL: invalid CA certificate subject");
|
|
return CURLE_SSL_CACERT;
|
|
}
|
|
CFRelease(subject);
|
|
}
|
|
else {
|
|
CFRelease(cacert);
|
|
failf(data, "SSL: invalid CA certificate");
|
|
return CURLE_SSL_CACERT;
|
|
}
|
|
|
|
CFArrayAppendValue(array, cacert);
|
|
CFRelease(cacert);
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
static int verify_cert(const char *cafile, struct SessionHandle *data,
|
|
SSLContextRef ctx)
|
|
{
|
|
int n = 0, rc;
|
|
long res;
|
|
unsigned char *certbuf, *der;
|
|
size_t buflen, derlen, offset = 0;
|
|
|
|
if(read_cert(cafile, &certbuf, &buflen) < 0) {
|
|
failf(data, "SSL: failed to read or invalid CA certificate");
|
|
return CURLE_SSL_CACERT;
|
|
}
|
|
|
|
/*
|
|
* Certbuf now contains the contents of the certificate file, which can be
|
|
* - a single DER certificate,
|
|
* - a single PEM certificate or
|
|
* - a bunch of PEM certificates (certificate bundle).
|
|
*
|
|
* Go through certbuf, and convert any PEM certificate in it into DER
|
|
* format.
|
|
*/
|
|
CFMutableArrayRef array = CFArrayCreateMutable(kCFAllocatorDefault, 0,
|
|
&kCFTypeArrayCallBacks);
|
|
if(array == NULL) {
|
|
free(certbuf);
|
|
failf(data, "SSL: out of memory creating CA certificate array");
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
|
|
while(offset < buflen) {
|
|
n++;
|
|
|
|
/*
|
|
* Check if the certificate is in PEM format, and convert it to DER. If
|
|
* this fails, we assume the certificate is in DER format.
|
|
*/
|
|
res = pem_to_der((const char *)certbuf + offset, &der, &derlen);
|
|
if(res < 0) {
|
|
free(certbuf);
|
|
CFRelease(array);
|
|
failf(data, "SSL: invalid CA certificate #%d (offset %d) in bundle",
|
|
n, offset);
|
|
return CURLE_SSL_CACERT;
|
|
}
|
|
offset += res;
|
|
|
|
if(res == 0 && offset == 0) {
|
|
/* This is not a PEM file, probably a certificate in DER format. */
|
|
rc = append_cert_to_array(data, certbuf, buflen, array);
|
|
free(certbuf);
|
|
if(rc != CURLE_OK) {
|
|
CFRelease(array);
|
|
return rc;
|
|
}
|
|
break;
|
|
}
|
|
else if(res == 0) {
|
|
/* No more certificates in the bundle. */
|
|
free(certbuf);
|
|
break;
|
|
}
|
|
|
|
rc = append_cert_to_array(data, der, derlen, array);
|
|
free(der);
|
|
if(rc != CURLE_OK) {
|
|
free(certbuf);
|
|
CFRelease(array);
|
|
return rc;
|
|
}
|
|
}
|
|
|
|
SecTrustRef trust;
|
|
OSStatus ret = SSLCopyPeerTrust(ctx, &trust);
|
|
if(trust == NULL) {
|
|
failf(data, "SSL: error getting certificate chain");
|
|
CFRelease(array);
|
|
return CURLE_OUT_OF_MEMORY;
|
|
}
|
|
else if(ret != noErr) {
|
|
CFRelease(array);
|
|
return sslerr_to_curlerr(data, ret);
|
|
}
|
|
|
|
ret = SecTrustSetAnchorCertificates(trust, array);
|
|
if(ret != noErr) {
|
|
CFRelease(trust);
|
|
return sslerr_to_curlerr(data, ret);
|
|
}
|
|
ret = SecTrustSetAnchorCertificatesOnly(trust, true);
|
|
if(ret != noErr) {
|
|
CFRelease(trust);
|
|
return sslerr_to_curlerr(data, ret);
|
|
}
|
|
|
|
SecTrustResultType trust_eval = 0;
|
|
ret = SecTrustEvaluate(trust, &trust_eval);
|
|
CFRelease(array);
|
|
CFRelease(trust);
|
|
if(ret != noErr) {
|
|
return sslerr_to_curlerr(data, ret);
|
|
}
|
|
|
|
switch (trust_eval) {
|
|
case kSecTrustResultUnspecified:
|
|
case kSecTrustResultProceed:
|
|
return CURLE_OK;
|
|
|
|
case kSecTrustResultRecoverableTrustFailure:
|
|
case kSecTrustResultDeny:
|
|
default:
|
|
failf(data, "SSL: certificate verification failed (result: %d)",
|
|
trust_eval);
|
|
return CURLE_PEER_FAILED_VERIFICATION;
|
|
}
|
|
}
|
|
|
|
static CURLcode
|
|
darwinssl_connect_step2(struct connectdata *conn, int sockindex)
|
|
{
|
|
struct SessionHandle *data = conn->data;
|
|
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
|
OSStatus err;
|
|
SSLCipherSuite cipher;
|
|
SSLProtocol protocol = 0;
|
|
|
|
DEBUGASSERT(ssl_connect_2 == connssl->connecting_state
|
|
|| ssl_connect_2_reading == connssl->connecting_state
|
|
|| ssl_connect_2_writing == connssl->connecting_state);
|
|
|
|
/* Here goes nothing: */
|
|
err = SSLHandshake(connssl->ssl_ctx);
|
|
|
|
if(err != noErr) {
|
|
switch (err) {
|
|
case errSSLWouldBlock: /* they're not done with us yet */
|
|
connssl->connecting_state = connssl->ssl_direction ?
|
|
ssl_connect_2_writing : ssl_connect_2_reading;
|
|
return CURLE_OK;
|
|
|
|
/* The below is errSSLServerAuthCompleted; it's not defined in
|
|
Leopard's headers */
|
|
case -9841:
|
|
if(data->set.str[STRING_SSL_CAFILE]) {
|
|
int res = verify_cert(data->set.str[STRING_SSL_CAFILE], data,
|
|
connssl->ssl_ctx);
|
|
if(res != CURLE_OK)
|
|
return res;
|
|
}
|
|
/* the documentation says we need to call SSLHandshake() again */
|
|
return darwinssl_connect_step2(conn, sockindex);
|
|
|
|
/* These are all certificate problems with the server: */
|
|
case errSSLXCertChainInvalid:
|
|
failf(data, "SSL certificate problem: Invalid certificate chain");
|
|
return CURLE_SSL_CACERT;
|
|
case errSSLUnknownRootCert:
|
|
failf(data, "SSL certificate problem: Untrusted root certificate");
|
|
return CURLE_SSL_CACERT;
|
|
case errSSLNoRootCert:
|
|
failf(data, "SSL certificate problem: No root certificate");
|
|
return CURLE_SSL_CACERT;
|
|
case errSSLCertExpired:
|
|
failf(data, "SSL certificate problem: Certificate chain had an "
|
|
"expired certificate");
|
|
return CURLE_SSL_CACERT;
|
|
case errSSLBadCert:
|
|
failf(data, "SSL certificate problem: Couldn't understand the server "
|
|
"certificate format");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
|
|
/* These are all certificate problems with the client: */
|
|
case errSecAuthFailed:
|
|
failf(data, "SSL authentication failed");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
case errSSLPeerHandshakeFail:
|
|
failf(data, "SSL peer handshake failed, the server most likely "
|
|
"requires a client certificate to connect");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
case errSSLPeerUnknownCA:
|
|
failf(data, "SSL server rejected the client certificate due to "
|
|
"the certificate being signed by an unknown certificate "
|
|
"authority");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
|
|
/* This error is raised if the server's cert didn't match the server's
|
|
host name: */
|
|
case errSSLHostNameMismatch:
|
|
failf(data, "SSL certificate peer verification failed, the "
|
|
"certificate did not match \"%s\"\n", conn->host.dispname);
|
|
return CURLE_PEER_FAILED_VERIFICATION;
|
|
|
|
/* Generic handshake errors: */
|
|
case errSSLConnectionRefused:
|
|
failf(data, "Server dropped the connection during the SSL handshake");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
case errSSLClosedAbort:
|
|
failf(data, "Server aborted the SSL handshake");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
case errSSLNegotiation:
|
|
failf(data, "Could not negotiate an SSL cipher suite with the server");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
/* Sometimes paramErr happens with buggy ciphers: */
|
|
case paramErr: case errSSLInternal:
|
|
failf(data, "Internal SSL engine error encountered during the "
|
|
"SSL handshake");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
case errSSLFatalAlert:
|
|
failf(data, "Fatal SSL engine error encountered during the SSL "
|
|
"handshake");
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
default:
|
|
failf(data, "Unknown SSL protocol error in connection to %s:%d",
|
|
conn->host.name, err);
|
|
return CURLE_SSL_CONNECT_ERROR;
|
|
}
|
|
}
|
|
else {
|
|
/* we have been connected fine, we're not waiting for anything else. */
|
|
connssl->connecting_state = ssl_connect_3;
|
|
|
|
/* Informational message */
|
|
(void)SSLGetNegotiatedCipher(connssl->ssl_ctx, &cipher);
|
|
(void)SSLGetNegotiatedProtocolVersion(connssl->ssl_ctx, &protocol);
|
|
switch (protocol) {
|
|
case kSSLProtocol2:
|
|
infof(data, "SSL 2.0 connection using %s\n",
|
|
SSLCipherNameForNumber(cipher));
|
|
break;
|
|
case kSSLProtocol3:
|
|
infof(data, "SSL 3.0 connection using %s\n",
|
|
SSLCipherNameForNumber(cipher));
|
|
break;
|
|
case kTLSProtocol1:
|
|
infof(data, "TLS 1.0 connection using %s\n",
|
|
TLSCipherNameForNumber(cipher));
|
|
break;
|
|
#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|
case kTLSProtocol11:
|
|
infof(data, "TLS 1.1 connection using %s\n",
|
|
TLSCipherNameForNumber(cipher));
|
|
break;
|
|
case kTLSProtocol12:
|
|
infof(data, "TLS 1.2 connection using %s\n",
|
|
TLSCipherNameForNumber(cipher));
|
|
break;
|
|
#endif
|
|
default:
|
|
infof(data, "Unknown protocol connection\n");
|
|
break;
|
|
}
|
|
|
|
return CURLE_OK;
|
|
}
|
|
}
|
|
|
|
static CURLcode
|
|
darwinssl_connect_step3(struct connectdata *conn,
|
|
int sockindex)
|
|
{
|
|
struct SessionHandle *data = conn->data;
|
|
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
|
CFStringRef server_cert_summary;
|
|
char server_cert_summary_c[128];
|
|
CFArrayRef server_certs = NULL;
|
|
SecCertificateRef server_cert;
|
|
OSStatus err;
|
|
CFIndex i, count;
|
|
SecTrustRef trust = NULL;
|
|
|
|
/* There is no step 3!
|
|
* Well, okay, if verbose mode is on, let's print the details of the
|
|
* server certificates. */
|
|
#if CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS
|
|
#if CURL_BUILD_IOS
|
|
#pragma unused(server_certs)
|
|
err = SSLCopyPeerTrust(connssl->ssl_ctx, &trust);
|
|
/* For some reason, SSLCopyPeerTrust() can return noErr and yet return
|
|
a null trust, so be on guard for that: */
|
|
if(err == noErr && trust) {
|
|
count = SecTrustGetCertificateCount(trust);
|
|
for(i = 0L ; i < count ; i++) {
|
|
server_cert = SecTrustGetCertificateAtIndex(trust, i);
|
|
server_cert_summary = CopyCertSubject(server_cert);
|
|
memset(server_cert_summary_c, 0, 128);
|
|
if(CFStringGetCString(server_cert_summary,
|
|
server_cert_summary_c,
|
|
128,
|
|
kCFStringEncodingUTF8)) {
|
|
infof(data, "Server certificate: %s\n", server_cert_summary_c);
|
|
}
|
|
CFRelease(server_cert_summary);
|
|
}
|
|
CFRelease(trust);
|
|
}
|
|
#else
|
|
/* SSLCopyPeerCertificates() is deprecated as of Mountain Lion.
|
|
The function SecTrustGetCertificateAtIndex() is officially present
|
|
in Lion, but it is unfortunately also present in Snow Leopard as
|
|
private API and doesn't work as expected. So we have to look for
|
|
a different symbol to make sure this code is only executed under
|
|
Lion or later. */
|
|
if(SecTrustEvaluateAsync != NULL) {
|
|
#pragma unused(server_certs)
|
|
err = SSLCopyPeerTrust(connssl->ssl_ctx, &trust);
|
|
/* For some reason, SSLCopyPeerTrust() can return noErr and yet return
|
|
a null trust, so be on guard for that: */
|
|
if(err == noErr && trust) {
|
|
count = SecTrustGetCertificateCount(trust);
|
|
for(i = 0L ; i < count ; i++) {
|
|
server_cert = SecTrustGetCertificateAtIndex(trust, i);
|
|
server_cert_summary = CopyCertSubject(server_cert);
|
|
memset(server_cert_summary_c, 0, 128);
|
|
if(CFStringGetCString(server_cert_summary,
|
|
server_cert_summary_c,
|
|
128,
|
|
kCFStringEncodingUTF8)) {
|
|
infof(data, "Server certificate: %s\n", server_cert_summary_c);
|
|
}
|
|
CFRelease(server_cert_summary);
|
|
}
|
|
CFRelease(trust);
|
|
}
|
|
}
|
|
else {
|
|
#if CURL_SUPPORT_MAC_10_8
|
|
err = SSLCopyPeerCertificates(connssl->ssl_ctx, &server_certs);
|
|
/* Just in case SSLCopyPeerCertificates() returns null too... */
|
|
if(err == noErr && server_certs) {
|
|
count = CFArrayGetCount(server_certs);
|
|
for(i = 0L ; i < count ; i++) {
|
|
server_cert = (SecCertificateRef)CFArrayGetValueAtIndex(server_certs,
|
|
i);
|
|
|
|
server_cert_summary = CopyCertSubject(server_cert);
|
|
memset(server_cert_summary_c, 0, 128);
|
|
if(CFStringGetCString(server_cert_summary,
|
|
server_cert_summary_c,
|
|
128,
|
|
kCFStringEncodingUTF8)) {
|
|
infof(data, "Server certificate: %s\n", server_cert_summary_c);
|
|
}
|
|
CFRelease(server_cert_summary);
|
|
}
|
|
CFRelease(server_certs);
|
|
}
|
|
#endif /* CURL_SUPPORT_MAC_10_8 */
|
|
}
|
|
#endif /* CURL_BUILD_IOS */
|
|
#else
|
|
#pragma unused(trust)
|
|
err = SSLCopyPeerCertificates(connssl->ssl_ctx, &server_certs);
|
|
if(err == noErr) {
|
|
count = CFArrayGetCount(server_certs);
|
|
for(i = 0L ; i < count ; i++) {
|
|
server_cert = (SecCertificateRef)CFArrayGetValueAtIndex(server_certs, i);
|
|
server_cert_summary = CopyCertSubject(server_cert);
|
|
memset(server_cert_summary_c, 0, 128);
|
|
if(CFStringGetCString(server_cert_summary,
|
|
server_cert_summary_c,
|
|
128,
|
|
kCFStringEncodingUTF8)) {
|
|
infof(data, "Server certificate: %s\n", server_cert_summary_c);
|
|
}
|
|
CFRelease(server_cert_summary);
|
|
}
|
|
CFRelease(server_certs);
|
|
}
|
|
#endif /* CURL_BUILD_MAC_10_7 || CURL_BUILD_IOS */
|
|
|
|
connssl->connecting_state = ssl_connect_done;
|
|
return CURLE_OK;
|
|
}
|
|
|
|
static Curl_recv darwinssl_recv;
|
|
static Curl_send darwinssl_send;
|
|
|
|
static CURLcode
|
|
darwinssl_connect_common(struct connectdata *conn,
|
|
int sockindex,
|
|
bool nonblocking,
|
|
bool *done)
|
|
{
|
|
CURLcode retcode;
|
|
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;
|
|
}
|
|
retcode = darwinssl_connect_step1(conn, sockindex);
|
|
if(retcode)
|
|
return retcode;
|
|
}
|
|
|
|
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 done nonblocking 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.
|
|
*/
|
|
retcode = darwinssl_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;
|
|
|
|
} /* repeat step2 until all transactions are done. */
|
|
|
|
|
|
if(ssl_connect_3==connssl->connecting_state) {
|
|
retcode = darwinssl_connect_step3(conn, sockindex);
|
|
if(retcode)
|
|
return retcode;
|
|
}
|
|
|
|
if(ssl_connect_done==connssl->connecting_state) {
|
|
connssl->state = ssl_connection_complete;
|
|
conn->recv[sockindex] = darwinssl_recv;
|
|
conn->send[sockindex] = darwinssl_send;
|
|
*done = TRUE;
|
|
}
|
|
else
|
|
*done = FALSE;
|
|
|
|
/* Reset our connect state machine */
|
|
connssl->connecting_state = ssl_connect_1;
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
CURLcode
|
|
Curl_darwinssl_connect_nonblocking(struct connectdata *conn,
|
|
int sockindex,
|
|
bool *done)
|
|
{
|
|
return darwinssl_connect_common(conn, sockindex, TRUE, done);
|
|
}
|
|
|
|
CURLcode
|
|
Curl_darwinssl_connect(struct connectdata *conn,
|
|
int sockindex)
|
|
{
|
|
CURLcode retcode;
|
|
bool done = FALSE;
|
|
|
|
retcode = darwinssl_connect_common(conn, sockindex, FALSE, &done);
|
|
|
|
if(retcode)
|
|
return retcode;
|
|
|
|
DEBUGASSERT(done);
|
|
|
|
return CURLE_OK;
|
|
}
|
|
|
|
void Curl_darwinssl_close(struct connectdata *conn, int sockindex)
|
|
{
|
|
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
|
|
|
if(connssl->ssl_ctx) {
|
|
(void)SSLClose(connssl->ssl_ctx);
|
|
#if CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS
|
|
if(SSLCreateContext != NULL)
|
|
CFRelease(connssl->ssl_ctx);
|
|
#if CURL_SUPPORT_MAC_10_8
|
|
else
|
|
(void)SSLDisposeContext(connssl->ssl_ctx);
|
|
#endif /* CURL_SUPPORT_MAC_10_8 */
|
|
#else
|
|
(void)SSLDisposeContext(connssl->ssl_ctx);
|
|
#endif /* CURL_BUILD_MAC_10_8 || CURL_BUILD_IOS */
|
|
connssl->ssl_ctx = NULL;
|
|
}
|
|
connssl->ssl_sockfd = 0;
|
|
}
|
|
|
|
void Curl_darwinssl_close_all(struct SessionHandle *data)
|
|
{
|
|
/* SecureTransport doesn't separate sessions from contexts, so... */
|
|
(void)data;
|
|
}
|
|
|
|
int Curl_darwinssl_shutdown(struct connectdata *conn, int sockindex)
|
|
{
|
|
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
|
struct SessionHandle *data = conn->data;
|
|
ssize_t nread;
|
|
int what;
|
|
int rc;
|
|
char buf[120];
|
|
|
|
if(!connssl->ssl_ctx)
|
|
return 0;
|
|
|
|
if(data->set.ftp_ccc != CURLFTPSSL_CCC_ACTIVE)
|
|
return 0;
|
|
|
|
Curl_darwinssl_close(conn, sockindex);
|
|
|
|
rc = 0;
|
|
|
|
what = Curl_socket_ready(conn->sock[sockindex],
|
|
CURL_SOCKET_BAD, SSL_SHUTDOWN_TIMEOUT);
|
|
|
|
for(;;) {
|
|
if(what < 0) {
|
|
/* anything that gets here is fatally bad */
|
|
failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
|
|
rc = -1;
|
|
break;
|
|
}
|
|
|
|
if(!what) { /* timeout */
|
|
failf(data, "SSL shutdown timeout");
|
|
break;
|
|
}
|
|
|
|
/* Something to read, let's do it and hope that it is the close
|
|
notify alert from the server. No way to SSL_Read now, so use read(). */
|
|
|
|
nread = read(conn->sock[sockindex], buf, sizeof(buf));
|
|
|
|
if(nread < 0) {
|
|
failf(data, "read: %s", strerror(errno));
|
|
rc = -1;
|
|
}
|
|
|
|
if(nread <= 0)
|
|
break;
|
|
|
|
what = Curl_socket_ready(conn->sock[sockindex], CURL_SOCKET_BAD, 0);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
void Curl_darwinssl_session_free(void *ptr)
|
|
{
|
|
/* ST, as of iOS 5 and Mountain Lion, has no public method of deleting a
|
|
cached session ID inside the Security framework. There is a private
|
|
function that does this, but I don't want to have to explain to you why I
|
|
got your application rejected from the App Store due to the use of a
|
|
private API, so the best we can do is free up our own char array that we
|
|
created way back in darwinssl_connect_step1... */
|
|
Curl_safefree(ptr);
|
|
}
|
|
|
|
size_t Curl_darwinssl_version(char *buffer, size_t size)
|
|
{
|
|
return snprintf(buffer, size, "SecureTransport");
|
|
}
|
|
|
|
/*
|
|
* This function uses SSLGetSessionState to determine connection status.
|
|
*
|
|
* Return codes:
|
|
* 1 means the connection is still in place
|
|
* 0 means the connection has been closed
|
|
* -1 means the connection status is unknown
|
|
*/
|
|
int Curl_darwinssl_check_cxn(struct connectdata *conn)
|
|
{
|
|
struct ssl_connect_data *connssl = &conn->ssl[FIRSTSOCKET];
|
|
OSStatus err;
|
|
SSLSessionState state;
|
|
|
|
if(connssl->ssl_ctx) {
|
|
err = SSLGetSessionState(connssl->ssl_ctx, &state);
|
|
if(err == noErr)
|
|
return state == kSSLConnected || state == kSSLHandshake;
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool Curl_darwinssl_data_pending(const struct connectdata *conn,
|
|
int connindex)
|
|
{
|
|
const struct ssl_connect_data *connssl = &conn->ssl[connindex];
|
|
OSStatus err;
|
|
size_t buffer;
|
|
|
|
if(connssl->ssl_ctx) { /* SSL is in use */
|
|
err = SSLGetBufferedReadSize(connssl->ssl_ctx, &buffer);
|
|
if(err == noErr)
|
|
return buffer > 0UL;
|
|
return false;
|
|
}
|
|
else
|
|
return false;
|
|
}
|
|
|
|
int Curl_darwinssl_random(unsigned char *entropy,
|
|
size_t length)
|
|
{
|
|
/* arc4random_buf() isn't available on cats older than Lion, so let's
|
|
do this manually for the benefit of the older cats. */
|
|
size_t i;
|
|
u_int32_t random_number = 0;
|
|
|
|
for(i = 0 ; i < length ; i++) {
|
|
if(i % sizeof(u_int32_t) == 0)
|
|
random_number = arc4random();
|
|
entropy[i] = random_number & 0xFF;
|
|
random_number >>= 8;
|
|
}
|
|
i = random_number = 0;
|
|
return 0;
|
|
}
|
|
|
|
void Curl_darwinssl_md5sum(unsigned char *tmp, /* input */
|
|
size_t tmplen,
|
|
unsigned char *md5sum, /* output */
|
|
size_t md5len)
|
|
{
|
|
(void)md5len;
|
|
(void)CC_MD5(tmp, (CC_LONG)tmplen, md5sum);
|
|
}
|
|
|
|
static ssize_t darwinssl_send(struct connectdata *conn,
|
|
int sockindex,
|
|
const void *mem,
|
|
size_t len,
|
|
CURLcode *curlcode)
|
|
{
|
|
/*struct SessionHandle *data = conn->data;*/
|
|
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
|
size_t processed = 0UL;
|
|
OSStatus err;
|
|
|
|
/* The SSLWrite() function works a little differently than expected. The
|
|
fourth argument (processed) is currently documented in Apple's
|
|
documentation as: "On return, the length, in bytes, of the data actually
|
|
written."
|
|
|
|
Now, one could interpret that as "written to the socket," but actually,
|
|
it returns the amount of data that was written to a buffer internal to
|
|
the SSLContextRef instead. So it's possible for SSLWrite() to return
|
|
errSSLWouldBlock and a number of bytes "written" because those bytes were
|
|
encrypted and written to a buffer, not to the socket.
|
|
|
|
So if this happens, then we need to keep calling SSLWrite() over and
|
|
over again with no new data until it quits returning errSSLWouldBlock. */
|
|
|
|
/* Do we have buffered data to write from the last time we were called? */
|
|
if(connssl->ssl_write_buffered_length) {
|
|
/* Write the buffered data: */
|
|
err = SSLWrite(connssl->ssl_ctx, NULL, 0UL, &processed);
|
|
switch (err) {
|
|
case noErr:
|
|
/* processed is always going to be 0 because we didn't write to
|
|
the buffer, so return how much was written to the socket */
|
|
processed = connssl->ssl_write_buffered_length;
|
|
connssl->ssl_write_buffered_length = 0UL;
|
|
break;
|
|
case errSSLWouldBlock: /* argh, try again */
|
|
*curlcode = CURLE_AGAIN;
|
|
return -1L;
|
|
default:
|
|
failf(conn->data, "SSLWrite() returned error %d", err);
|
|
*curlcode = CURLE_SEND_ERROR;
|
|
return -1L;
|
|
}
|
|
}
|
|
else {
|
|
/* We've got new data to write: */
|
|
err = SSLWrite(connssl->ssl_ctx, mem, len, &processed);
|
|
if(err != noErr) {
|
|
switch (err) {
|
|
case errSSLWouldBlock:
|
|
/* Data was buffered but not sent, we have to tell the caller
|
|
to try sending again, and remember how much was buffered */
|
|
connssl->ssl_write_buffered_length = len;
|
|
*curlcode = CURLE_AGAIN;
|
|
return -1L;
|
|
default:
|
|
failf(conn->data, "SSLWrite() returned error %d", err);
|
|
*curlcode = CURLE_SEND_ERROR;
|
|
return -1L;
|
|
}
|
|
}
|
|
}
|
|
return (ssize_t)processed;
|
|
}
|
|
|
|
static ssize_t darwinssl_recv(struct connectdata *conn,
|
|
int num,
|
|
char *buf,
|
|
size_t buffersize,
|
|
CURLcode *curlcode)
|
|
{
|
|
/*struct SessionHandle *data = conn->data;*/
|
|
struct ssl_connect_data *connssl = &conn->ssl[num];
|
|
size_t processed = 0UL;
|
|
OSStatus err = SSLRead(connssl->ssl_ctx, buf, buffersize, &processed);
|
|
|
|
if(err != noErr) {
|
|
switch (err) {
|
|
case errSSLWouldBlock: /* return how much we read (if anything) */
|
|
if(processed)
|
|
return (ssize_t)processed;
|
|
*curlcode = CURLE_AGAIN;
|
|
return -1L;
|
|
break;
|
|
|
|
/* errSSLClosedGraceful - server gracefully shut down the SSL session
|
|
errSSLClosedNoNotify - server hung up on us instead of sending a
|
|
closure alert notice, read() is returning 0
|
|
Either way, inform the caller that the server disconnected. */
|
|
case errSSLClosedGraceful:
|
|
case errSSLClosedNoNotify:
|
|
*curlcode = CURLE_OK;
|
|
return -1L;
|
|
break;
|
|
|
|
default:
|
|
failf(conn->data, "SSLRead() return error %d", err);
|
|
*curlcode = CURLE_RECV_ERROR;
|
|
return -1L;
|
|
break;
|
|
}
|
|
}
|
|
return (ssize_t)processed;
|
|
}
|
|
|
|
#endif /* USE_DARWINSSL */
|