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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_GSKIT
#include <gskssl.h>
#include <qsoasync.h>
/* Some symbols are undefined/unsupported on OS400 versions < V7R1. */
#ifndef GSK_SSL_EXTN_SERVERNAME_REQUEST
#define GSK_SSL_EXTN_SERVERNAME_REQUEST 230
#ifndef GSK_TLSV10_CIPHER_SPECS
#define GSK_TLSV10_CIPHER_SPECS 236
#endif
#ifndef GSK_TLSV11_CIPHER_SPECS
#define GSK_TLSV11_CIPHER_SPECS 237
#endif
#ifndef GSK_TLSV12_CIPHER_SPECS
#define GSK_TLSV12_CIPHER_SPECS 238
#endif
#ifndef GSK_PROTOCOL_TLSV11
#define GSK_PROTOCOL_TLSV11 437
#endif
#ifndef GSK_PROTOCOL_TLSV12
#define GSK_PROTOCOL_TLSV12 438
#endif
#ifndef GSK_FALSE
#define GSK_FALSE 0
#endif
#ifndef GSK_TRUE
#define GSK_TRUE 1
#endif
#ifdef HAVE_LIMITS_H
# include <limits.h>
#endif
#include <curl/curl.h>
#include "urldata.h"
#include "sendf.h"
#include "gskit.h"
#include "connect.h" /* for the connect timeout */
#include "select.h"
#include "strequal.h"
#include "x509asn1.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
/* SSL version flags. */
#define CURL_GSKPROTO_SSLV2 0
#define CURL_GSKPROTO_SSLV2_MASK (1 << CURL_GSKPROTO_SSLV2)
#define CURL_GSKPROTO_SSLV3 1
#define CURL_GSKPROTO_SSLV3_MASK (1 << CURL_GSKPROTO_SSLV3)
#define CURL_GSKPROTO_TLSV10 2
#define CURL_GSKPROTO_TLSV10_MASK (1 << CURL_GSKPROTO_TLSV10)
#define CURL_GSKPROTO_TLSV11 3
#define CURL_GSKPROTO_TLSV11_MASK (1 << CURL_GSKPROTO_TLSV11)
#define CURL_GSKPROTO_TLSV12 4
#define CURL_GSKPROTO_TLSV12_MASK (1 << CURL_GSKPROTO_TLSV12)
#define CURL_GSKPROTO_LAST 5
/* Supported ciphers. */
typedef struct {
const char *name; /* Cipher name. */
const char *gsktoken; /* Corresponding token for GSKit String. */
unsigned int versions; /* SSL version flags. */
} gskit_cipher;
static const gskit_cipher ciphertable[] = {
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{ "null-md5", "01",
CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
{ "null-sha", "02",
CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
{ "exp-rc4-md5", "03",
CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK },
{ "rc4-md5", "04",
CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
{ "rc4-sha", "05",
CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
{ "exp-rc2-cbc-md5", "06",
CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK },
{ "exp-des-cbc-sha", "09",
CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
CURL_GSKPROTO_TLSV11_MASK },
{ "des-cbc3-sha", "0A",
CURL_GSKPROTO_SSLV3_MASK | CURL_GSKPROTO_TLSV10_MASK |
CURL_GSKPROTO_TLSV11_MASK | CURL_GSKPROTO_TLSV12_MASK },
{ "aes128-sha", "2F",
CURL_GSKPROTO_TLSV10_MASK | CURL_GSKPROTO_TLSV11_MASK |
CURL_GSKPROTO_TLSV12_MASK },
{ "aes256-sha", "35",
CURL_GSKPROTO_TLSV10_MASK | CURL_GSKPROTO_TLSV11_MASK |
CURL_GSKPROTO_TLSV12_MASK },
{ "null-sha256", "3B", CURL_GSKPROTO_TLSV12_MASK },
{ "aes128-sha256", "3D", CURL_GSKPROTO_TLSV12_MASK },
{ "aes256-sha256", "3D", CURL_GSKPROTO_TLSV12_MASK },
{ "rc4-md5", "1", CURL_GSKPROTO_SSLV2_MASK },
{ "exp-rc4-md5", "2", CURL_GSKPROTO_SSLV2_MASK },
{ "rc2-md5", "3", CURL_GSKPROTO_SSLV2_MASK },
{ "exp-rc2-md5", "4", CURL_GSKPROTO_SSLV2_MASK },
{ "des-cbc-md5", "6", CURL_GSKPROTO_SSLV2_MASK },
{ "des-cbc3-md5", "7", CURL_GSKPROTO_SSLV2_MASK },
{ (const char *) NULL, (const char *) NULL, 0 }
};
static bool is_separator(char c)
{
/* Return whether character is a cipher list separator. */
switch (c) {
case ' ':
case '\t':
case ':':
case ',':
case ';':
return true;
}
return false;
}
static CURLcode gskit_status(struct SessionHandle *data, int rc,
const char *procname, CURLcode defcode)
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{
CURLcode cc;
/* Process GSKit status and map it to a CURLcode. */
switch (rc) {
case GSK_OK:
case GSK_OS400_ASYNCHRONOUS_SOC_INIT:
return CURLE_OK;
case GSK_KEYRING_OPEN_ERROR:
case GSK_OS400_ERROR_NO_ACCESS:
return CURLE_SSL_CACERT_BADFILE;
case GSK_INSUFFICIENT_STORAGE:
return CURLE_OUT_OF_MEMORY;
case GSK_ERROR_BAD_V2_CIPHER:
case GSK_ERROR_BAD_V3_CIPHER:
case GSK_ERROR_NO_CIPHERS:
return CURLE_SSL_CIPHER;
case GSK_OS400_ERROR_NOT_TRUSTED_ROOT:
case GSK_ERROR_CERT_VALIDATION:
return CURLE_PEER_FAILED_VERIFICATION;
case GSK_OS400_ERROR_TIMED_OUT:
return CURLE_OPERATION_TIMEDOUT;
case GSK_WOULD_BLOCK:
return CURLE_AGAIN;
case GSK_OS400_ERROR_NOT_REGISTERED:
break;
case GSK_ERROR_IO:
switch (errno) {
case ENOMEM:
return CURLE_OUT_OF_MEMORY;
default:
failf(data, "%s I/O error: %s", procname, strerror(errno));
break;
}
break;
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