* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
+/* ====================================================================
+ * Copyright (c) 1998-2007 The OpenSSL Project. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ * software must display the following acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+/* ====================================================================
+ * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
+ * ECC cipher suite support in OpenSSL originally developed by
+ * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
+ */
+/* ====================================================================
+ * Copyright 2005 Nokia. All rights reserved.
+ *
+ * The portions of the attached software ("Contribution") is developed by
+ * Nokia Corporation and is licensed pursuant to the OpenSSL open source
+ * license.
+ *
+ * The Contribution, originally written by Mika Kousa and Pasi Eronen of
+ * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
+ * support (see RFC 4279) to OpenSSL.
+ *
+ * No patent licenses or other rights except those expressly stated in
+ * the OpenSSL open source license shall be deemed granted or received
+ * expressly, by implication, estoppel, or otherwise.
+ *
+ * No assurances are provided by Nokia that the Contribution does not
+ * infringe the patent or other intellectual property rights of any third
+ * party or that the license provides you with all the necessary rights
+ * to make use of the Contribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
+ * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
+ * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
+ * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
+ * OTHERWISE.
+ */
#include <stdio.h>
#include <openssl/objects.h>
#define SSL_ENC_RC4_IDX 2
#define SSL_ENC_RC2_IDX 3
#define SSL_ENC_IDEA_IDX 4
-#define SSL_ENC_eFZA_IDX 5
-#define SSL_ENC_NULL_IDX 6
-#define SSL_ENC_NUM_IDX 7
+#define SSL_ENC_NULL_IDX 5
+#define SSL_ENC_AES128_IDX 6
+#define SSL_ENC_AES256_IDX 7
+#define SSL_ENC_CAMELLIA128_IDX 8
+#define SSL_ENC_CAMELLIA256_IDX 9
+#define SSL_ENC_NUM_IDX 10
+
static const EVP_CIPHER *ssl_cipher_methods[SSL_ENC_NUM_IDX]={
NULL,NULL,NULL,NULL,NULL,NULL,
};
+#define SSL_COMP_NULL_IDX 0
+#define SSL_COMP_ZLIB_IDX 1
+#define SSL_COMP_NUM_IDX 2
+
static STACK_OF(SSL_COMP) *ssl_comp_methods=NULL;
#define SSL_MD_MD5_IDX 0
} CIPHER_ORDER;
static const SSL_CIPHER cipher_aliases[]={
- /* Don't include eNULL unless specifically enabled */
- {0,SSL_TXT_ALL, 0,SSL_ALL & ~SSL_eNULL, SSL_ALL ,0,0,0,SSL_ALL,SSL_ALL}, /* must be first */
- {0,SSL_TXT_kRSA,0,SSL_kRSA, 0,0,0,0,SSL_MKEY_MASK,0},
- {0,SSL_TXT_kDHr,0,SSL_kDHr, 0,0,0,0,SSL_MKEY_MASK,0},
- {0,SSL_TXT_kDHd,0,SSL_kDHd, 0,0,0,0,SSL_MKEY_MASK,0},
- {0,SSL_TXT_kEDH,0,SSL_kEDH, 0,0,0,0,SSL_MKEY_MASK,0},
- {0,SSL_TXT_kFZA,0,SSL_kFZA, 0,0,0,0,SSL_MKEY_MASK,0},
- {0,SSL_TXT_DH, 0,SSL_DH, 0,0,0,0,SSL_MKEY_MASK,0},
- {0,SSL_TXT_EDH, 0,SSL_EDH, 0,0,0,0,SSL_MKEY_MASK|SSL_AUTH_MASK,0},
-
- {0,SSL_TXT_aRSA,0,SSL_aRSA, 0,0,0,0,SSL_AUTH_MASK,0},
- {0,SSL_TXT_aDSS,0,SSL_aDSS, 0,0,0,0,SSL_AUTH_MASK,0},
- {0,SSL_TXT_aFZA,0,SSL_aFZA, 0,0,0,0,SSL_AUTH_MASK,0},
- {0,SSL_TXT_aNULL,0,SSL_aNULL,0,0,0,0,SSL_AUTH_MASK,0},
- {0,SSL_TXT_aDH, 0,SSL_aDH, 0,0,0,0,SSL_AUTH_MASK,0},
- {0,SSL_TXT_DSS, 0,SSL_DSS, 0,0,0,0,SSL_AUTH_MASK,0},
-
- {0,SSL_TXT_DES, 0,SSL_DES, 0,0,0,0,SSL_ENC_MASK,0},
- {0,SSL_TXT_3DES,0,SSL_3DES, 0,0,0,0,SSL_ENC_MASK,0},
- {0,SSL_TXT_RC4, 0,SSL_RC4, 0,0,0,0,SSL_ENC_MASK,0},
- {0,SSL_TXT_RC2, 0,SSL_RC2, 0,0,0,0,SSL_ENC_MASK,0},
- {0,SSL_TXT_IDEA,0,SSL_IDEA, 0,0,0,0,SSL_ENC_MASK,0},
- {0,SSL_TXT_eNULL,0,SSL_eNULL,0,0,0,0,SSL_ENC_MASK,0},
- {0,SSL_TXT_eFZA,0,SSL_eFZA, 0,0,0,0,SSL_ENC_MASK,0},
-
- {0,SSL_TXT_MD5, 0,SSL_MD5, 0,0,0,0,SSL_MAC_MASK,0},
- {0,SSL_TXT_SHA1,0,SSL_SHA1, 0,0,0,0,SSL_MAC_MASK,0},
- {0,SSL_TXT_SHA, 0,SSL_SHA, 0,0,0,0,SSL_MAC_MASK,0},
-
- {0,SSL_TXT_NULL,0,SSL_NULL, 0,0,0,0,SSL_ENC_MASK,0},
- {0,SSL_TXT_RSA, 0,SSL_RSA, 0,0,0,0,SSL_AUTH_MASK|SSL_MKEY_MASK,0},
- {0,SSL_TXT_ADH, 0,SSL_ADH, 0,0,0,0,SSL_AUTH_MASK|SSL_MKEY_MASK,0},
- {0,SSL_TXT_FZA, 0,SSL_FZA, 0,0,0,0,SSL_AUTH_MASK|SSL_MKEY_MASK|SSL_ENC_MASK,0},
-
- {0,SSL_TXT_SSLV2, 0,SSL_SSLV2, 0,0,0,0,SSL_SSL_MASK,0},
- {0,SSL_TXT_SSLV3, 0,SSL_SSLV3, 0,0,0,0,SSL_SSL_MASK,0},
- {0,SSL_TXT_TLSV1, 0,SSL_TLSV1, 0,0,0,0,SSL_SSL_MASK,0},
-
- {0,SSL_TXT_EXP ,0, 0,SSL_EXPORT, 0,0,0,0,SSL_EXP_MASK},
- {0,SSL_TXT_EXPORT,0, 0,SSL_EXPORT, 0,0,0,0,SSL_EXP_MASK},
- {0,SSL_TXT_EXP40, 0, 0, SSL_EXP40, 0,0,0,0,SSL_STRONG_MASK},
- {0,SSL_TXT_EXP56, 0, 0, SSL_EXP56, 0,0,0,0,SSL_STRONG_MASK},
- {0,SSL_TXT_LOW, 0, 0, SSL_LOW, 0,0,0,0,SSL_STRONG_MASK},
- {0,SSL_TXT_MEDIUM,0, 0,SSL_MEDIUM, 0,0,0,0,SSL_STRONG_MASK},
- {0,SSL_TXT_HIGH, 0, 0, SSL_HIGH, 0,0,0,0,SSL_STRONG_MASK},
+ /* "ALL" doesn't include eNULL (must be specifically enabled) */
+ {0,SSL_TXT_ALL,0, 0,0,~SSL_eNULL,0,0,0,0,0,0},
+ /* "COMPLEMENTOFALL" */
+ {0,SSL_TXT_CMPALL,0, 0,0,SSL_eNULL,0,0,0,0,0,0},
+
+ /* "COMPLEMENTOFDEFAULT" (does *not* include ciphersuites not found in ALL!) */
+ {0,SSL_TXT_CMPDEF,0, SSL_kEDH|SSL_kEECDH,SSL_aNULL,~SSL_eNULL,0,0,0,0,0,0},
+
+ /* key exchange aliases
+ * (some of those using only a single bit here combine
+ * multiple key exchange algs according to the RFCs,
+ * e.g. kEDH combines DHE_DSS and DHE_RSA) */
+ {0,SSL_TXT_kRSA,0, SSL_kRSA, 0,0,0,0,0,0,0,0},
+
+ {0,SSL_TXT_kDHr,0, SSL_kDHr, 0,0,0,0,0,0,0,0}, /* no such ciphersuites supported! */
+ {0,SSL_TXT_kDHd,0, SSL_kDHd, 0,0,0,0,0,0,0,0}, /* no such ciphersuites supported! */
+ {0,SSL_TXT_kDH,0, SSL_kDHr|SSL_kDHd,0,0,0,0,0,0,0,0}, /* no such ciphersuites supported! */
+ {0,SSL_TXT_kEDH,0, SSL_kEDH, 0,0,0,0,0,0,0,0},
+ {0,SSL_TXT_DH,0, SSL_kDHr|SSL_kDHd|SSL_kEDH,0,0,0,0,0,0,0,0},
+
+ {0,SSL_TXT_kKRB5,0, SSL_kKRB5, 0,0,0,0,0,0,0,0},
+
+ {0,SSL_TXT_kECDHr,0, SSL_kECDHr,0,0,0,0,0,0,0,0},
+ {0,SSL_TXT_kECDHe,0, SSL_kECDHe,0,0,0,0,0,0,0,0},
+ {0,SSL_TXT_kECDH,0, SSL_kECDHr|SSL_kECDHe,0,0,0,0,0,0,0,0},
+ {0,SSL_TXT_kEECDH,0, SSL_kEECDH,0,0,0,0,0,0,0,0},
+ {0,SSL_TXT_ECDH,0, SSL_kECDHr|SSL_kECDHe|SSL_kEECDH,0,0,0,0,0,0,0,0},
+
+ {0,SSL_TXT_kPSK,0, SSL_kPSK, 0,0,0,0,0,0,0,0},
+
+
+ /* server authentication aliases */
+ {0,SSL_TXT_aRSA,0, 0,SSL_aRSA, 0,0,0,0,0,0,0},
+ {0,SSL_TXT_aDSS,0, 0,SSL_aDSS, 0,0,0,0,0,0,0},
+ {0,SSL_TXT_DSS,0, 0,SSL_aDSS, 0,0,0,0,0,0,0},
+ {0,SSL_TXT_aKRB5,0, 0,SSL_aKRB5, 0,0,0,0,0,0,0},
+ {0,SSL_TXT_aNULL,0, 0,SSL_aNULL, 0,0,0,0,0,0,0},
+ {0,SSL_TXT_aDH,0, 0,SSL_aDH, 0,0,0,0,0,0,0}, /* no such ciphersuites supported! */
+ {0,SSL_TXT_aECDH,0, 0,SSL_aECDH, 0,0,0,0,0,0,0},
+ {0,SSL_TXT_aECDSA,0, 0,SSL_aECDSA,0,0,0,0,0,0,0},
+ {0,SSL_TXT_ECDSA,0, 0,SSL_aECDSA, 0,0,0,0,0,0,0},
+ {0,SSL_TXT_aPSK,0, 0,SSL_aPSK, 0,0,0,0,0,0,0},
+
+
+ /* aliases combining key exchange and server authentication */
+ {0,SSL_TXT_EDH,0, SSL_kEDH,~SSL_aNULL,0,0,0,0,0,0,0},
+ {0,SSL_TXT_EECDH,0, SSL_kEECDH,~SSL_aNULL,0,0,0,0,0,0,0},
+ {0,SSL_TXT_NULL,0, 0,0,SSL_eNULL, 0,0,0,0,0,0},
+ {0,SSL_TXT_KRB5,0, SSL_kKRB5,SSL_aKRB5,0,0,0,0,0,0,0},
+ {0,SSL_TXT_RSA,0, SSL_kRSA,SSL_aRSA,0,0,0,0,0,0,0},
+ {0,SSL_TXT_ADH,0, SSL_kEDH,SSL_aNULL,0,0,0,0,0,0,0},
+ {0,SSL_TXT_AECDH,0, SSL_kEECDH,SSL_aNULL,0,0,0,0,0,0,0},
+ {0,SSL_TXT_PSK,0, SSL_kPSK,SSL_aPSK,0,0,0,0,0,0,0},
+
+
+ /* symmetric encryption aliases */
+ {0,SSL_TXT_DES,0, 0,0,SSL_DES, 0,0,0,0,0,0},
+ {0,SSL_TXT_3DES,0, 0,0,SSL_3DES, 0,0,0,0,0,0},
+ {0,SSL_TXT_RC4,0, 0,0,SSL_RC4, 0,0,0,0,0,0},
+ {0,SSL_TXT_RC2,0, 0,0,SSL_RC2, 0,0,0,0,0,0},
+ {0,SSL_TXT_IDEA,0, 0,0,SSL_IDEA, 0,0,0,0,0,0},
+ {0,SSL_TXT_eNULL,0, 0,0,SSL_eNULL, 0,0,0,0,0,0},
+ {0,SSL_TXT_AES128,0, 0,0,SSL_AES128,0,0,0,0,0,0},
+ {0,SSL_TXT_AES256,0, 0,0,SSL_AES256,0,0,0,0,0,0},
+ {0,SSL_TXT_AES,0, 0,0,SSL_AES128|SSL_AES256,0,0,0,0,0,0},
+ {0,SSL_TXT_CAMELLIA128,0,0,0,SSL_CAMELLIA128,0,0,0,0,0,0},
+ {0,SSL_TXT_CAMELLIA256,0,0,0,SSL_CAMELLIA256,0,0,0,0,0,0},
+ {0,SSL_TXT_CAMELLIA ,0,0,0,SSL_CAMELLIA128|SSL_CAMELLIA256,0,0,0,0,0,0},
+
+ /* MAC aliases */
+ {0,SSL_TXT_MD5,0, 0,0,0,SSL_MD5, 0,0,0,0,0},
+ {0,SSL_TXT_SHA1,0, 0,0,0,SSL_SHA1, 0,0,0,0,0},
+ {0,SSL_TXT_SHA,0, 0,0,0,SSL_SHA1, 0,0,0,0,0},
+
+ /* protocol version aliases */
+ {0,SSL_TXT_SSLV2,0, 0,0,0,0,SSL_SSLV2, 0,0,0,0},
+ {0,SSL_TXT_SSLV3,0, 0,0,0,0,SSL_SSLV3, 0,0,0,0},
+ {0,SSL_TXT_TLSV1,0, 0,0,0,0,SSL_TLSV1, 0,0,0,0},
+
+ /* export flag */
+ {0,SSL_TXT_EXP,0, 0,0,0,0,0,SSL_EXPORT,0,0,0},
+ {0,SSL_TXT_EXPORT,0, 0,0,0,0,0,SSL_EXPORT,0,0,0},
+
+ /* strength classes */
+ {0,SSL_TXT_EXP40,0, 0,0,0,0,0,SSL_EXP40, 0,0,0},
+ {0,SSL_TXT_EXP56,0, 0,0,0,0,0,SSL_EXP56, 0,0,0},
+ {0,SSL_TXT_LOW,0, 0,0,0,0,0,SSL_LOW, 0,0,0},
+ {0,SSL_TXT_MEDIUM,0, 0,0,0,0,0,SSL_MEDIUM,0,0,0},
+ {0,SSL_TXT_HIGH,0, 0,0,0,0,0,SSL_HIGH, 0,0,0},
};
-static int init_ciphers=1;
-
-static void load_ciphers(void)
+void ssl_load_ciphers(void)
{
- init_ciphers=0;
ssl_cipher_methods[SSL_ENC_DES_IDX]=
EVP_get_cipherbyname(SN_des_cbc);
ssl_cipher_methods[SSL_ENC_3DES_IDX]=
EVP_get_cipherbyname(SN_rc4);
ssl_cipher_methods[SSL_ENC_RC2_IDX]=
EVP_get_cipherbyname(SN_rc2_cbc);
+#ifndef OPENSSL_NO_IDEA
ssl_cipher_methods[SSL_ENC_IDEA_IDX]=
EVP_get_cipherbyname(SN_idea_cbc);
+#else
+ ssl_cipher_methods[SSL_ENC_IDEA_IDX]= NULL;
+#endif
+ ssl_cipher_methods[SSL_ENC_AES128_IDX]=
+ EVP_get_cipherbyname(SN_aes_128_cbc);
+ ssl_cipher_methods[SSL_ENC_AES256_IDX]=
+ EVP_get_cipherbyname(SN_aes_256_cbc);
+ ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX]=
+ EVP_get_cipherbyname(SN_camellia_128_cbc);
+ ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX]=
+ EVP_get_cipherbyname(SN_camellia_256_cbc);
ssl_digest_methods[SSL_MD_MD5_IDX]=
EVP_get_digestbyname(SN_md5);
EVP_get_digestbyname(SN_sha1);
}
-int ssl_cipher_get_evp(SSL_SESSION *s, const EVP_CIPHER **enc,
+
+#ifndef OPENSSL_NO_COMP
+
+static int sk_comp_cmp(const SSL_COMP * const *a,
+ const SSL_COMP * const *b)
+ {
+ return((*a)->id-(*b)->id);
+ }
+
+static void load_builtin_compressions(void)
+ {
+ int got_write_lock = 0;
+
+ CRYPTO_r_lock(CRYPTO_LOCK_SSL);
+ if (ssl_comp_methods == NULL)
+ {
+ CRYPTO_r_unlock(CRYPTO_LOCK_SSL);
+ CRYPTO_w_lock(CRYPTO_LOCK_SSL);
+ got_write_lock = 1;
+
+ if (ssl_comp_methods == NULL)
+ {
+ SSL_COMP *comp = NULL;
+
+ MemCheck_off();
+ ssl_comp_methods=sk_SSL_COMP_new(sk_comp_cmp);
+ if (ssl_comp_methods != NULL)
+ {
+ comp=(SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP));
+ if (comp != NULL)
+ {
+ comp->method=COMP_zlib();
+ if (comp->method
+ && comp->method->type == NID_undef)
+ OPENSSL_free(comp);
+ else
+ {
+ comp->id=SSL_COMP_ZLIB_IDX;
+ comp->name=comp->method->name;
+ sk_SSL_COMP_push(ssl_comp_methods,comp);
+ }
+ }
+ }
+ MemCheck_on();
+ }
+ }
+
+ if (got_write_lock)
+ CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
+ else
+ CRYPTO_r_unlock(CRYPTO_LOCK_SSL);
+ }
+#endif
+
+int ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
const EVP_MD **md, SSL_COMP **comp)
{
int i;
if (comp != NULL)
{
SSL_COMP ctmp;
+#ifndef OPENSSL_NO_COMP
+ load_builtin_compressions();
+#endif
- if (s->compress_meth == 0)
- *comp=NULL;
- else if (ssl_comp_methods == NULL)
- {
- /* bad */
- *comp=NULL;
- }
- else
+ *comp=NULL;
+ ctmp.id=s->compress_meth;
+ if (ssl_comp_methods != NULL)
{
-
- ctmp.id=s->compress_meth;
i=sk_SSL_COMP_find(ssl_comp_methods,&ctmp);
if (i >= 0)
*comp=sk_SSL_COMP_value(ssl_comp_methods,i);
if ((enc == NULL) || (md == NULL)) return(0);
- switch (c->algorithms & SSL_ENC_MASK)
+ switch (c->algorithm_enc)
{
case SSL_DES:
i=SSL_ENC_DES_IDX;
case SSL_eNULL:
i=SSL_ENC_NULL_IDX;
break;
+ case SSL_AES128:
+ i=SSL_ENC_AES128_IDX;
+ break;
+ case SSL_AES256:
+ i=SSL_ENC_AES256_IDX;
+ break;
+ case SSL_CAMELLIA128:
+ i=SSL_ENC_CAMELLIA128_IDX;
+ break;
+ case SSL_CAMELLIA256:
+ i=SSL_ENC_CAMELLIA256_IDX;
+ break;
default:
i= -1;
break;
*enc=ssl_cipher_methods[i];
}
- switch (c->algorithms & SSL_MAC_MASK)
+ switch (c->algorithm_mac)
{
case SSL_MD5:
i=SSL_MD_MD5_IDX;
*tail=curr;
}
-static unsigned long ssl_cipher_get_disabled(void)
+static void ssl_cipher_get_disabled(unsigned long *mkey, unsigned long *auth, unsigned long *enc, unsigned long *mac, unsigned long *ssl)
{
- unsigned long mask;
-
- mask = SSL_kFZA;
-#ifdef NO_RSA
- mask |= SSL_aRSA|SSL_kRSA;
+ *mkey = 0;
+ *auth = 0;
+ *enc = 0;
+ *mac = 0;
+ *ssl = 0;
+
+#ifdef OPENSSL_NO_RSA
+ *mkey |= SSL_kRSA;
+ *auth |= SSL_aRSA;
#endif
-#ifdef NO_DSA
- mask |= SSL_aDSS;
+#ifdef OPENSSL_NO_DSA
+ *auth |= SSL_aDSS;
#endif
-#ifdef NO_DH
- mask |= SSL_kDHr|SSL_kDHd|SSL_kEDH|SSL_aDH;
+ *mkey |= SSL_kDHr|SSL_kDHd; /* no such ciphersuites supported! */
+ *auth |= SSL_aDH;
+#ifdef OPENSSL_NO_DH
+ *mkey |= SSL_kDHr|SSL_kDHd|SSL_kEDH;
+ *auth |= SSL_aDH;
+#endif
+#ifdef OPENSSL_NO_KRB5
+ *mkey |= SSL_kKRB5;
+ *auth |= SSL_aKRB5;
+#endif
+#ifdef OPENSSL_NO_ECDSA
+ *auth |= SSL_aECDSA;
+#endif
+#ifdef OPENSSL_NO_ECDH
+ *mkey |= SSL_kECDHe|SSL_kECDHr;
+ *auth |= SSL_aECDH;
+#endif
+#ifdef OPENSSL_NO_PSK
+ *mkey |= SSL_kPSK;
+ *auth |= SSL_aPSK;
#endif
-
#ifdef SSL_FORBID_ENULL
- mask |= SSL_eNULL;
+ *enc |= SSL_eNULL;
#endif
- mask |= (ssl_cipher_methods[SSL_ENC_DES_IDX ] == NULL) ? SSL_DES :0;
- mask |= (ssl_cipher_methods[SSL_ENC_3DES_IDX] == NULL) ? SSL_3DES:0;
- mask |= (ssl_cipher_methods[SSL_ENC_RC4_IDX ] == NULL) ? SSL_RC4 :0;
- mask |= (ssl_cipher_methods[SSL_ENC_RC2_IDX ] == NULL) ? SSL_RC2 :0;
- mask |= (ssl_cipher_methods[SSL_ENC_IDEA_IDX] == NULL) ? SSL_IDEA:0;
- mask |= (ssl_cipher_methods[SSL_ENC_eFZA_IDX] == NULL) ? SSL_eFZA:0;
-
- mask |= (ssl_digest_methods[SSL_MD_MD5_IDX ] == NULL) ? SSL_MD5 :0;
- mask |= (ssl_digest_methods[SSL_MD_SHA1_IDX] == NULL) ? SSL_SHA1:0;
-
- return(mask);
+ *enc |= (ssl_cipher_methods[SSL_ENC_DES_IDX ] == NULL) ? SSL_DES :0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_3DES_IDX] == NULL) ? SSL_3DES:0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_RC4_IDX ] == NULL) ? SSL_RC4 :0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_RC2_IDX ] == NULL) ? SSL_RC2 :0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_IDEA_IDX] == NULL) ? SSL_IDEA:0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_AES128_IDX] == NULL) ? SSL_AES128:0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_AES256_IDX] == NULL) ? SSL_AES256:0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_CAMELLIA128_IDX] == NULL) ? SSL_CAMELLIA128:0;
+ *enc |= (ssl_cipher_methods[SSL_ENC_CAMELLIA256_IDX] == NULL) ? SSL_CAMELLIA256:0;
+
+ *mac |= (ssl_digest_methods[SSL_MD_MD5_IDX ] == NULL) ? SSL_MD5 :0;
+ *mac |= (ssl_digest_methods[SSL_MD_SHA1_IDX] == NULL) ? SSL_SHA1:0;
}
static void ssl_cipher_collect_ciphers(const SSL_METHOD *ssl_method,
- int num_of_ciphers, unsigned long mask, CIPHER_ORDER *list,
- CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p)
+ int num_of_ciphers,
+ unsigned long disabled_mkey, unsigned long disabled_auth,
+ unsigned long disabled_enc, unsigned long disabled_mac,
+ unsigned long disabled_ssl,
+ CIPHER_ORDER *co_list,
+ CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p)
{
- int i, list_num;
+ int i, co_list_num;
SSL_CIPHER *c;
/*
*/
/* Get the initial list of ciphers */
- list_num = 0; /* actual count of ciphers */
+ co_list_num = 0; /* actual count of ciphers */
for (i = 0; i < num_of_ciphers; i++)
{
c = ssl_method->get_cipher(i);
/* drop those that use any of that is not available */
- if ((c != NULL) && c->valid && !(c->algorithms & mask))
+ if ((c != NULL) && c->valid &&
+ !(c->algorithm_mkey & disabled_mkey) &&
+ !(c->algorithm_auth & disabled_auth) &&
+ !(c->algorithm_enc & disabled_enc) &&
+ !(c->algorithm_mac & disabled_mac) &&
+ !(c->algorithm_ssl & disabled_ssl))
{
- list[list_num].cipher = c;
- list[list_num].next = NULL;
- list[list_num].prev = NULL;
- list[list_num].active = 0;
- list_num++;
+ co_list[co_list_num].cipher = c;
+ co_list[co_list_num].next = NULL;
+ co_list[co_list_num].prev = NULL;
+ co_list[co_list_num].active = 0;
+ co_list_num++;
+#ifdef KSSL_DEBUG
+ printf("\t%d: %s %lx %lx %lx\n",i,c->name,c->id,c->algorithm_mkey,c->algorithm_auth);
+#endif /* KSSL_DEBUG */
/*
if (!sk_push(ca_list,(char *)c)) goto err;
*/
/*
* Prepare linked list from list entries
*/
- for (i = 1; i < list_num - 1; i++)
+ for (i = 1; i < co_list_num - 1; i++)
{
- list[i].prev = &(list[i-1]);
- list[i].next = &(list[i+1]);
+ co_list[i].prev = &(co_list[i-1]);
+ co_list[i].next = &(co_list[i+1]);
}
- if (list_num > 0)
+ if (co_list_num > 0)
{
- (*head_p) = &(list[0]);
+ (*head_p) = &(co_list[0]);
(*head_p)->prev = NULL;
- (*head_p)->next = &(list[1]);
- (*tail_p) = &(list[list_num - 1]);
- (*tail_p)->prev = &(list[list_num - 2]);
+ (*head_p)->next = &(co_list[1]);
+ (*tail_p) = &(co_list[co_list_num - 1]);
+ (*tail_p)->prev = &(co_list[co_list_num - 2]);
(*tail_p)->next = NULL;
}
}
static void ssl_cipher_collect_aliases(SSL_CIPHER **ca_list,
- int num_of_group_aliases, unsigned long mask,
+ int num_of_group_aliases,
+ unsigned long disabled_mkey, unsigned long disabled_auth,
+ unsigned long disabled_enc, unsigned long disabled_mac,
+ unsigned long disabled_ssl,
CIPHER_ORDER *head)
{
CIPHER_ORDER *ciph_curr;
SSL_CIPHER **ca_curr;
int i;
+ unsigned long mask_mkey = ~disabled_mkey;
+ unsigned long mask_auth = ~disabled_auth;
+ unsigned long mask_enc = ~disabled_enc;
+ unsigned long mask_mac = ~disabled_mac;
+ unsigned long mask_ssl = ~disabled_ssl;
/*
* First, add the real ciphers as already collected
/*
* Now we add the available ones from the cipher_aliases[] table.
- * They represent either an algorithm, that must be fully
- * supported (not match any bit in mask) or represent a cipher
- * strength value (will be added in any case because algorithms=0).
+ * They represent either one or more algorithms, some of which
+ * in any affected category must be supported (set in enabled_mask),
+ * or represent a cipher strength value (will be added in any case because algorithms=0).
*/
for (i = 0; i < num_of_group_aliases; i++)
{
- if ((i == 0) || /* always fetch "ALL" */
- !(cipher_aliases[i].algorithms & mask))
- {
- *ca_curr = (SSL_CIPHER *)(cipher_aliases + i);
- ca_curr++;
- }
+ unsigned long algorithm_mkey = cipher_aliases[i].algorithm_mkey;
+ unsigned long algorithm_auth = cipher_aliases[i].algorithm_auth;
+ unsigned long algorithm_enc = cipher_aliases[i].algorithm_enc;
+ unsigned long algorithm_mac = cipher_aliases[i].algorithm_mac;
+ unsigned long algorithm_ssl = cipher_aliases[i].algorithm_ssl;
+
+ if (algorithm_mkey)
+ if ((algorithm_mkey & mask_mkey) == 0)
+ continue;
+
+ if (algorithm_auth)
+ if ((algorithm_auth & mask_auth) == 0)
+ continue;
+
+ if (algorithm_enc)
+ if ((algorithm_enc & mask_enc) == 0)
+ continue;
+
+ if (algorithm_mac)
+ if ((algorithm_mac & mask_mac) == 0)
+ continue;
+
+ if (algorithm_ssl)
+ if ((algorithm_ssl & mask_ssl) == 0)
+ continue;
+
+ *ca_curr = (SSL_CIPHER *)(cipher_aliases + i);
+ ca_curr++;
}
*ca_curr = NULL; /* end of list */
}
-static void ssl_cipher_apply_rule(unsigned long algorithms, unsigned long mask,
- unsigned long algo_strength, unsigned long mask_strength,
- int rule, int strength_bits, CIPHER_ORDER *list,
+static void ssl_cipher_apply_rule(unsigned long cipher_id,
+ unsigned long alg_mkey, unsigned long alg_auth,
+ unsigned long alg_enc, unsigned long alg_mac,
+ unsigned long alg_ssl,
+ unsigned long algo_strength,
+ int rule, int strength_bits,
CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p)
{
CIPHER_ORDER *head, *tail, *curr, *curr2, *tail2;
SSL_CIPHER *cp;
- unsigned long ma, ma_s;
#ifdef CIPHER_DEBUG
- printf("Applying rule %d with %08lx %08lx %08lx %08lx (%d)\n",
- rule, algorithms, mask, algo_strength, mask_strength,
- strength_bits);
+ printf("Applying rule %d with %08lx/%08lx/%08lx/%08lx/%08lx %08lx (%d)\n",
+ rule, alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, algo_strength, strength_bits);
#endif
curr = head = *head_p;
cp = curr->cipher;
/*
- * Selection criteria is either the number of strength_bits
- * or the algorithm used.
+ * Selection criteria is either the value of strength_bits
+ * or the algorithms used.
*/
- if (strength_bits == -1)
+ if (strength_bits >= 0)
+ {
+ if (strength_bits != cp->strength_bits)
+ continue;
+ }
+ else
{
- ma = mask & cp->algorithms;
- ma_s = mask_strength & cp->algo_strength;
-
#ifdef CIPHER_DEBUG
- printf("\nName: %s:\nAlgo = %08lx Algo_strength = %08lx\nMask = %08lx Mask_strength %08lx\n", cp->name, cp->algorithms, cp->algo_strength, mask, mask_strength);
- printf("ma = %08lx ma_s %08lx, ma&algo=%08lx, ma_s&algos=%08lx\n", ma, ma_s, ma&algorithms, ma_s&algo_strength);
+ printf("\nName: %s:\nAlgo = %08lx/%08lx/%08lx/%08lx/%08lx Algo_strength = %08lx\n", cp->name, cp->algorithm_mkey, cp->algorithm_auth, cp->algorithm_enc, cp->algorithm_mac, cp->algorithm_ssl, cp->algo_strength);
#endif
- /*
- * Select: if none of the mask bit was met from the
- * cipher or not all of the bits were met, the
- * selection does not apply.
- */
- if (((ma == 0) && (ma_s == 0)) ||
- ((ma & algorithms) != ma) ||
- ((ma_s & algo_strength) != ma_s))
- continue; /* does not apply */
+
+ if (alg_mkey && !(alg_mkey & cp->algorithm_mkey))
+ continue;
+ if (alg_auth && !(alg_auth & cp->algorithm_auth))
+ continue;
+ if (alg_enc && !(alg_enc & cp->algorithm_enc))
+ continue;
+ if (alg_mac && !(alg_mac & cp->algorithm_mac))
+ continue;
+ if (alg_ssl && !(alg_ssl & cp->algorithm_ssl))
+ continue;
+ if ((algo_strength & SSL_EXP_MASK) && !(algo_strength & SSL_EXP_MASK & cp->algo_strength))
+ continue;
+ if ((algo_strength & SSL_STRONG_MASK) && !(algo_strength & SSL_STRONG_MASK & cp->algo_strength))
+ continue;
}
- else if (strength_bits != cp->strength_bits)
- continue; /* does not apply */
#ifdef CIPHER_DEBUG
printf("Action = %d\n", rule);
*tail_p = tail;
}
-static int ssl_cipher_strength_sort(CIPHER_ORDER *list, CIPHER_ORDER **head_p,
- CIPHER_ORDER **tail_p)
+static int ssl_cipher_strength_sort(CIPHER_ORDER **head_p,
+ CIPHER_ORDER **tail_p)
{
int max_strength_bits, i, *number_uses;
CIPHER_ORDER *curr;
curr = curr->next;
}
- number_uses = Malloc((max_strength_bits + 1) * sizeof(int));
+ number_uses = OPENSSL_malloc((max_strength_bits + 1) * sizeof(int));
if (!number_uses)
- {
+ {
SSLerr(SSL_F_SSL_CIPHER_STRENGTH_SORT,ERR_R_MALLOC_FAILURE);
return(0);
- }
+ }
memset(number_uses, 0, (max_strength_bits + 1) * sizeof(int));
/*
*/
for (i = max_strength_bits; i >= 0; i--)
if (number_uses[i] > 0)
- ssl_cipher_apply_rule(0, 0, 0, 0, CIPHER_ORD, i,
- list, head_p, tail_p);
+ ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ORD, i, head_p, tail_p);
- Free(number_uses);
+ OPENSSL_free(number_uses);
return(1);
}
static int ssl_cipher_process_rulestr(const char *rule_str,
- CIPHER_ORDER *list, CIPHER_ORDER **head_p,
- CIPHER_ORDER **tail_p, SSL_CIPHER **ca_list)
+ CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p,
+ SSL_CIPHER **ca_list)
{
- unsigned long algorithms, mask, algo_strength, mask_strength;
+ unsigned long alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, algo_strength;
const char *l, *start, *buf;
int j, multi, found, rule, retval, ok, buflen;
+ unsigned long cipher_id = 0;
char ch;
retval = 1;
continue;
}
- algorithms = mask = algo_strength = mask_strength = 0;
+ alg_mkey = 0;
+ alg_auth = 0;
+ alg_enc = 0;
+ alg_mac = 0;
+ alg_ssl = 0;
+ algo_strength = 0;
start=l;
for (;;)
if (buflen == 0)
{
/*
- * We hit something, we cannot deal with,
+ * We hit something we cannot deal with,
* it is no command or separator nor
* alphanumeric, so we call this an error.
*/
if (rule == CIPHER_SPECIAL)
{
+ found = 0; /* unused -- avoid compiler warning */
break; /* special treatment */
}
multi=0;
/*
- * Now search for the name in the ca_list. Be careful
+ * Now search for the cipher alias in the ca_list. Be careful
* with the strncmp, because the "buflen" limitation
* will make the rule "ADH:SOME" and the cipher
* "ADH-MY-CIPHER" look like a match for buflen=3.
- * So additionally check, whether the cipher name found
- * has the correct length. We can save a strlen() call,
+ * So additionally check whether the cipher name found
+ * has the correct length. We can save a strlen() call:
* just checking for the '\0' at the right place is
- * sufficient, we have to strncmp() anyway.
+ * sufficient, we have to strncmp() anyway. (We cannot
+ * use strcmp(), because buf is not '\0' terminated.)
*/
- j = found = 0;
- while (ca_list[j])
+ j = found = 0;
+ cipher_id = 0;
+ while (ca_list[j])
{
- if ((ca_list[j]->name[buflen] == '\0') &&
- !strncmp(buf, ca_list[j]->name, buflen))
+ if (!strncmp(buf, ca_list[j]->name, buflen) &&
+ (ca_list[j]->name[buflen] == '\0'))
{
found = 1;
break;
else
j++;
}
+
if (!found)
break; /* ignore this entry */
- algorithms |= ca_list[j]->algorithms;
- mask |= ca_list[j]->mask;
- algo_strength |= ca_list[j]->algo_strength;
- mask_strength |= ca_list[j]->mask_strength;
+ if (ca_list[j]->algorithm_mkey)
+ {
+ if (alg_mkey)
+ {
+ alg_mkey &= ca_list[j]->algorithm_mkey;
+ if (!alg_mkey) { found = 0; break; }
+ }
+ else
+ alg_mkey = ca_list[j]->algorithm_mkey;
+ }
- if (!multi) break;
- }
+ if (ca_list[j]->algorithm_auth)
+ {
+ if (alg_auth)
+ {
+ alg_auth &= ca_list[j]->algorithm_auth;
+ if (!alg_auth) { found = 0; break; }
+ }
+ else
+ alg_auth = ca_list[j]->algorithm_auth;
+ }
+
+ if (ca_list[j]->algorithm_enc)
+ {
+ if (alg_enc)
+ {
+ alg_enc &= ca_list[j]->algorithm_enc;
+ if (!alg_enc) { found = 0; break; }
+ }
+ else
+ alg_enc = ca_list[j]->algorithm_enc;
+ }
+
+ if (ca_list[j]->algorithm_mac)
+ {
+ if (alg_mac)
+ {
+ alg_mac &= ca_list[j]->algorithm_mac;
+ if (!alg_mac) { found = 0; break; }
+ }
+ else
+ alg_mac = ca_list[j]->algorithm_mac;
+ }
+
+ if (ca_list[j]->algo_strength & SSL_EXP_MASK)
+ {
+ if (algo_strength & SSL_EXP_MASK)
+ {
+ algo_strength &= (ca_list[j]->algo_strength & SSL_EXP_MASK) | ~SSL_EXP_MASK;
+ if (!(algo_strength & SSL_EXP_MASK)) { found = 0; break; }
+ }
+ else
+ algo_strength |= ca_list[j]->algo_strength & SSL_EXP_MASK;
+ }
- /*
- * Ok, we have the rule, now apply it
- */
- if (rule == CIPHER_SPECIAL)
- { /* special command */
- ok = 0;
- if ((buflen == 8) &&
- !strncmp(buf, "STRENGTH", 8))
- ok = ssl_cipher_strength_sort(list,
- head_p, tail_p);
+ if (ca_list[j]->algo_strength & SSL_STRONG_MASK)
+ {
+ if (algo_strength & SSL_STRONG_MASK)
+ {
+ algo_strength &= (ca_list[j]->algo_strength & SSL_STRONG_MASK) | ~SSL_STRONG_MASK;
+ if (!(algo_strength & SSL_STRONG_MASK)) { found = 0; break; }
+ }
else
- SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR,
- SSL_R_INVALID_COMMAND);
- if (ok == 0)
- retval = 0;
- /*
- * We do not support any "multi" options
- * together with "@", so throw away the
- * rest of the command, if any left, until
- * end or ':' is found.
- */
- while ((*l != '\0') && ITEM_SEP(*l))
- l++;
+ algo_strength |= ca_list[j]->algo_strength & SSL_STRONG_MASK;
}
- else if (found)
+
+ if (ca_list[j]->valid)
{
- ssl_cipher_apply_rule(algorithms, mask,
- algo_strength, mask_strength, rule, -1,
- list, head_p, tail_p);
+ /* explicit ciphersuite found; its protocol version
+ * does not become part of the search pattern!*/
+
+ cipher_id = ca_list[j]->id;
}
else
{
- while ((*l != '\0') && ITEM_SEP(*l))
- l++;
+ /* not an explicit ciphersuite; only in this case, the
+ * protocol version is considered part of the search pattern */
+
+ if (ca_list[j]->algorithm_ssl)
+ {
+ if (alg_ssl)
+ {
+ alg_ssl &= ca_list[j]->algorithm_ssl;
+ if (!alg_ssl) { found = 0; break; }
+ }
+ else
+ alg_ssl = ca_list[j]->algorithm_ssl;
+ }
}
- if (*l == '\0') break; /* done */
+
+ if (!multi) break;
+ }
+
+ /*
+ * Ok, we have the rule, now apply it
+ */
+ if (rule == CIPHER_SPECIAL)
+ { /* special command */
+ ok = 0;
+ if ((buflen == 8) &&
+ !strncmp(buf, "STRENGTH", 8))
+ ok = ssl_cipher_strength_sort(head_p, tail_p);
+ else
+ SSLerr(SSL_F_SSL_CIPHER_PROCESS_RULESTR,
+ SSL_R_INVALID_COMMAND);
+ if (ok == 0)
+ retval = 0;
+ /*
+ * We do not support any "multi" options
+ * together with "@", so throw away the
+ * rest of the command, if any left, until
+ * end or ':' is found.
+ */
+ while ((*l != '\0') && !ITEM_SEP(*l))
+ l++;
+ }
+ else if (found)
+ {
+ ssl_cipher_apply_rule(cipher_id,
+ alg_mkey, alg_auth, alg_enc, alg_mac, alg_ssl, algo_strength,
+ rule, -1, head_p, tail_p);
+ }
+ else
+ {
+ while ((*l != '\0') && !ITEM_SEP(*l))
+ l++;
+ }
+ if (*l == '\0') break; /* done */
}
return(retval);
const char *rule_str)
{
int ok, num_of_ciphers, num_of_alias_max, num_of_group_aliases;
- unsigned long disabled_mask;
- STACK_OF(SSL_CIPHER) *cipherstack;
+ unsigned long disabled_mkey, disabled_auth, disabled_enc, disabled_mac, disabled_ssl;
+ STACK_OF(SSL_CIPHER) *cipherstack, *tmp_cipher_list;
const char *rule_p;
- CIPHER_ORDER *list = NULL, *head = NULL, *tail = NULL, *curr;
+ CIPHER_ORDER *co_list = NULL, *head = NULL, *tail = NULL, *curr;
SSL_CIPHER **ca_list = NULL;
/*
* Return with error if nothing to do.
*/
- if (rule_str == NULL) return(NULL);
-
- if (init_ciphers) load_ciphers();
+ if (rule_str == NULL || cipher_list == NULL || cipher_list_by_id == NULL)
+ return NULL;
/*
* To reduce the work to do we only want to process the compiled
* in algorithms, so we first get the mask of disabled ciphers.
*/
- disabled_mask = ssl_cipher_get_disabled();
+ ssl_cipher_get_disabled(&disabled_mkey, &disabled_auth, &disabled_enc, &disabled_mac, &disabled_ssl);
/*
* Now we have to collect the available ciphers from the compiled
* it is used for allocation.
*/
num_of_ciphers = ssl_method->num_ciphers();
- list = (CIPHER_ORDER *)Malloc(sizeof(CIPHER_ORDER) * num_of_ciphers);
- if (list == NULL)
+#ifdef KSSL_DEBUG
+ printf("ssl_create_cipher_list() for %d ciphers\n", num_of_ciphers);
+#endif /* KSSL_DEBUG */
+ co_list = (CIPHER_ORDER *)OPENSSL_malloc(sizeof(CIPHER_ORDER) * num_of_ciphers);
+ if (co_list == NULL)
{
SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
return(NULL); /* Failure */
}
- ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers, disabled_mask,
- list, &head, &tail);
+ ssl_cipher_collect_ciphers(ssl_method, num_of_ciphers,
+ disabled_mkey, disabled_auth, disabled_enc, disabled_mac, disabled_ssl,
+ co_list, &head, &tail);
+
+
+ /* Now arrange all ciphers by preference: */
+
+ /* Temporarily enabled AES first (preferred cipher) */
+ ssl_cipher_apply_rule(0, 0, 0, SSL_AES, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
+
+ /* Temporarily enable everything else */
+ ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_ADD, -1, &head, &tail);
+
+ /* Move anonymous ciphers to the end. Usually, these will remain disabled.
+ * (For applications that allow them, they aren't too bad, but we prefer
+ * authenticated ciphers.) */
+ ssl_cipher_apply_rule(0, 0, SSL_aNULL, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
+
+ /* Move ciphers without forward secrecy to the end */
+ ssl_cipher_apply_rule(0, 0, SSL_aECDH, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
+ /* ssl_cipher_apply_rule(0, 0, SSL_aDH, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail); */
+ ssl_cipher_apply_rule(0, SSL_kRSA, 0, 0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
+ ssl_cipher_apply_rule(0, SSL_kPSK, 0,0, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
+
+ /* RC4 is sort-of broken -- move the the end */
+ ssl_cipher_apply_rule(0, 0, 0, SSL_RC4, 0, 0, 0, CIPHER_ORD, -1, &head, &tail);
+
+ /* Now sort by symmetric encryption strength. The above ordering remains
+ * in force within each class */
+ if (!ssl_cipher_strength_sort(&head, &tail))
+ {
+ OPENSSL_free(co_list);
+ return NULL;
+ }
+
+ /* Now disable everything (maintaining the ordering!) */
+ ssl_cipher_apply_rule(0, 0, 0, 0, 0, 0, 0, CIPHER_DEL, -1, &head, &tail);
+
/*
* We also need cipher aliases for selecting based on the rule_str.
num_of_group_aliases = sizeof(cipher_aliases) / sizeof(SSL_CIPHER);
num_of_alias_max = num_of_ciphers + num_of_group_aliases + 1;
ca_list =
- (SSL_CIPHER **)Malloc(sizeof(SSL_CIPHER *) * num_of_alias_max);
+ (SSL_CIPHER **)OPENSSL_malloc(sizeof(SSL_CIPHER *) * num_of_alias_max);
if (ca_list == NULL)
{
- Free(list);
+ OPENSSL_free(co_list);
SSLerr(SSL_F_SSL_CREATE_CIPHER_LIST,ERR_R_MALLOC_FAILURE);
return(NULL); /* Failure */
}
- ssl_cipher_collect_aliases(ca_list, num_of_group_aliases, disabled_mask,
- head);
+ ssl_cipher_collect_aliases(ca_list, num_of_group_aliases,
+ disabled_mkey, disabled_auth, disabled_enc, disabled_mac, disabled_ssl,
+ head);
/*
* If the rule_string begins with DEFAULT, apply the default rule
if (strncmp(rule_str,"DEFAULT",7) == 0)
{
ok = ssl_cipher_process_rulestr(SSL_DEFAULT_CIPHER_LIST,
- list, &head, &tail, ca_list);
+ &head, &tail, ca_list);
rule_p += 7;
if (*rule_p == ':')
rule_p++;
}
if (ok && (strlen(rule_p) > 0))
- ok = ssl_cipher_process_rulestr(rule_p, list, &head, &tail,
- ca_list);
+ ok = ssl_cipher_process_rulestr(rule_p, &head, &tail, ca_list);
- Free(ca_list); /* Not needed anymore */
+ OPENSSL_free(ca_list); /* Not needed anymore */
if (!ok)
{ /* Rule processing failure */
- Free(list);
+ OPENSSL_free(co_list);
return(NULL);
}
+
/*
* Allocate new "cipherstack" for the result, return with error
* if we cannot get one.
*/
- if ((cipherstack = sk_SSL_CIPHER_new(NULL)) == NULL)
+ if ((cipherstack = sk_SSL_CIPHER_new_null()) == NULL)
{
- Free(list);
+ OPENSSL_free(co_list);
return(NULL);
}
#endif
}
}
- Free(list); /* Not needed any longer */
-
- /*
- * The following passage is a little bit odd. If pointer variables
- * were supplied to hold STACK_OF(SSL_CIPHER) return information,
- * the old memory pointed to is free()ed. Then, however, the
- * cipher_list entry will be assigned just a copy of the returned
- * cipher stack. For cipher_list_by_id a copy of the cipher stack
- * will be created. See next comment...
- */
- if (cipher_list != NULL)
- {
- if (*cipher_list != NULL)
- sk_SSL_CIPHER_free(*cipher_list);
- *cipher_list = cipherstack;
- }
+ OPENSSL_free(co_list); /* Not needed any longer */
- if (cipher_list_by_id != NULL)
- {
- if (*cipher_list_by_id != NULL)
- sk_SSL_CIPHER_free(*cipher_list_by_id);
- *cipher_list_by_id = sk_SSL_CIPHER_dup(cipherstack);
- }
-
- /*
- * Now it is getting really strange. If something failed during
- * the previous pointer assignment or if one of the pointers was
- * not requested, the error condition is met. That might be
- * discussable. The strange thing is however that in this case
- * the memory "ret" pointed to is "free()ed" and hence the pointer
- * cipher_list becomes wild. The memory reserved for
- * cipher_list_by_id however is not "free()ed" and stays intact.
- */
- if ( (cipher_list_by_id == NULL) ||
- (*cipher_list_by_id == NULL) ||
- (cipher_list == NULL) ||
- (*cipher_list == NULL))
+ tmp_cipher_list = sk_SSL_CIPHER_dup(cipherstack);
+ if (tmp_cipher_list == NULL)
{
sk_SSL_CIPHER_free(cipherstack);
- return(NULL);
+ return NULL;
}
-
+ if (*cipher_list != NULL)
+ sk_SSL_CIPHER_free(*cipher_list);
+ *cipher_list = cipherstack;
+ if (*cipher_list_by_id != NULL)
+ sk_SSL_CIPHER_free(*cipher_list_by_id);
+ *cipher_list_by_id = tmp_cipher_list;
sk_SSL_CIPHER_set_cmp_func(*cipher_list_by_id,ssl_cipher_ptr_id_cmp);
return(cipherstack);
char *SSL_CIPHER_description(SSL_CIPHER *cipher, char *buf, int len)
{
int is_export,pkl,kl;
- char *ver,*exp;
- char *kx,*au,*enc,*mac;
- unsigned long alg,alg2,alg_s;
- static char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
-
- alg=cipher->algorithms;
+ const char *ver,*exp_str;
+ const char *kx,*au,*enc,*mac;
+ unsigned long alg_mkey,alg_auth,alg_enc,alg_mac,alg_ssl,alg2,alg_s;
+#ifdef KSSL_DEBUG
+ static const char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s AL=%lx/%lx/%lx/%lx/%lx\n";
+#else
+ static const char *format="%-23s %s Kx=%-8s Au=%-4s Enc=%-9s Mac=%-4s%s\n";
+#endif /* KSSL_DEBUG */
+
+ alg_mkey = cipher->algorithm_mkey;
+ alg_auth = cipher->algorithm_auth;
+ alg_enc = cipher->algorithm_enc;
+ alg_mac = cipher->algorithm_mac;
+ alg_ssl = cipher->algorithm_ssl;
+
alg_s=cipher->algo_strength;
alg2=cipher->algorithm2;
is_export=SSL_C_IS_EXPORT(cipher);
pkl=SSL_C_EXPORT_PKEYLENGTH(cipher);
kl=SSL_C_EXPORT_KEYLENGTH(cipher);
- exp=is_export?" export":"";
-
- if (alg & SSL_SSLV2)
+ exp_str=is_export?" export":"";
+
+ if (alg_ssl & SSL_SSLV2)
ver="SSLv2";
- else if (alg & SSL_SSLV3)
+ else if (alg_ssl & SSL_SSLV3)
ver="SSLv3";
else
ver="unknown";
- switch (alg&SSL_MKEY_MASK)
+ switch (alg_mkey)
{
case SSL_kRSA:
kx=is_export?(pkl == 512 ? "RSA(512)" : "RSA(1024)"):"RSA";
case SSL_kDHd:
kx="DH/DSS";
break;
- case SSL_kFZA:
- kx="Fortezza";
+ case SSL_kKRB5:
+ kx="KRB5";
break;
case SSL_kEDH:
kx=is_export?(pkl == 512 ? "DH(512)" : "DH(1024)"):"DH";
break;
+ case SSL_kECDHr:
+ kx="ECDH/RSA";
+ break;
+ case SSL_kECDHe:
+ kx="ECDH/ECDSA";
+ break;
+ case SSL_kEECDH:
+ kx="ECDH";
+ break;
+ case SSL_kPSK:
+ kx="PSK";
+ break;
default:
kx="unknown";
}
- switch (alg&SSL_AUTH_MASK)
+ switch (alg_auth)
{
case SSL_aRSA:
au="RSA";
case SSL_aDH:
au="DH";
break;
- case SSL_aFZA:
+ case SSL_aKRB5:
+ au="KRB5";
+ break;
+ case SSL_aECDH:
+ au="ECDH";
+ break;
case SSL_aNULL:
au="None";
break;
+ case SSL_aECDSA:
+ au="ECDSA";
+ break;
+ case SSL_aPSK:
+ au="PSK";
+ break;
default:
au="unknown";
break;
}
- switch (alg&SSL_ENC_MASK)
+ switch (alg_enc)
{
case SSL_DES:
enc=(is_export && kl == 5)?"DES(40)":"DES(56)";
case SSL_IDEA:
enc="IDEA(128)";
break;
- case SSL_eFZA:
- enc="Fortezza";
- break;
case SSL_eNULL:
enc="None";
break;
+ case SSL_AES128:
+ enc="AES(128)";
+ break;
+ case SSL_AES256:
+ enc="AES(256)";
+ break;
+ case SSL_CAMELLIA128:
+ enc="Camellia(128)";
+ break;
+ case SSL_CAMELLIA256:
+ enc="Camellia(256)";
+ break;
default:
enc="unknown";
break;
}
- switch (alg&SSL_MAC_MASK)
+ switch (alg_mac)
{
case SSL_MD5:
mac="MD5";
if (buf == NULL)
{
- buf=Malloc(128);
- if (buf == NULL) return("Malloc Error");
+ len=128;
+ buf=OPENSSL_malloc(len);
+ if (buf == NULL) return("OPENSSL_malloc Error");
}
else if (len < 128)
return("Buffer too small");
- sprintf(buf,format,cipher->name,ver,kx,au,enc,mac,exp);
+#ifdef KSSL_DEBUG
+ BIO_snprintf(buf,len,format,cipher->name,ver,kx,au,enc,mac,exp_str,alg_mkey,alg_auth,alg_enc,alg_mac,alg_ssl);
+#else
+ BIO_snprintf(buf,len,format,cipher->name,ver,kx,au,enc,mac,exp_str);
+#endif /* KSSL_DEBUG */
return(buf);
}
-char *SSL_CIPHER_get_version(SSL_CIPHER *c)
+char *SSL_CIPHER_get_version(const SSL_CIPHER *c)
{
int i;
}
/* return the actual cipher being used */
-const char *SSL_CIPHER_get_name(SSL_CIPHER *c)
+const char *SSL_CIPHER_get_name(const SSL_CIPHER *c)
{
if (c != NULL)
return(c->name);
}
/* number of bits for symmetric cipher */
-int SSL_CIPHER_get_bits(SSL_CIPHER *c, int *alg_bits)
+int SSL_CIPHER_get_bits(const SSL_CIPHER *c, int *alg_bits)
{
int ret=0;
return(NULL);
}
-static int sk_comp_cmp(SSL_COMP **a,SSL_COMP **b)
+#ifdef OPENSSL_NO_COMP
+void *SSL_COMP_get_compression_methods(void)
{
- return((*a)->id-(*b)->id);
+ return NULL;
+ }
+int SSL_COMP_add_compression_method(int id, void *cm)
+ {
+ return 1;
}
+const char *SSL_COMP_get_name(const void *comp)
+ {
+ return NULL;
+ }
+#else
STACK_OF(SSL_COMP) *SSL_COMP_get_compression_methods(void)
{
+ load_builtin_compressions();
return(ssl_comp_methods);
}
int SSL_COMP_add_compression_method(int id, COMP_METHOD *cm)
{
SSL_COMP *comp;
- STACK_OF(SSL_COMP) *sk;
- comp=(SSL_COMP *)Malloc(sizeof(SSL_COMP));
+ if (cm == NULL || cm->type == NID_undef)
+ return 1;
+
+ /* According to draft-ietf-tls-compression-04.txt, the
+ compression number ranges should be the following:
+
+ 0 to 63: methods defined by the IETF
+ 64 to 192: external party methods assigned by IANA
+ 193 to 255: reserved for private use */
+ if (id < 193 || id > 255)
+ {
+ SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_COMPRESSION_ID_NOT_WITHIN_PRIVATE_RANGE);
+ return 0;
+ }
+
+ MemCheck_off();
+ comp=(SSL_COMP *)OPENSSL_malloc(sizeof(SSL_COMP));
comp->id=id;
comp->method=cm;
- if (ssl_comp_methods == NULL)
- sk=ssl_comp_methods=sk_SSL_COMP_new(sk_comp_cmp);
- else
- sk=ssl_comp_methods;
- if ((sk == NULL) || !sk_SSL_COMP_push(sk,comp))
+ load_builtin_compressions();
+ if (ssl_comp_methods
+ && !sk_SSL_COMP_find(ssl_comp_methods,comp))
{
+ OPENSSL_free(comp);
+ MemCheck_on();
+ SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,SSL_R_DUPLICATE_COMPRESSION_ID);
+ return(1);
+ }
+ else if ((ssl_comp_methods == NULL)
+ || !sk_SSL_COMP_push(ssl_comp_methods,comp))
+ {
+ OPENSSL_free(comp);
+ MemCheck_on();
SSLerr(SSL_F_SSL_COMP_ADD_COMPRESSION_METHOD,ERR_R_MALLOC_FAILURE);
- return(0);
+ return(1);
}
else
- return(1);
+ {
+ MemCheck_on();
+ return(0);
+ }
+ }
+
+const char *SSL_COMP_get_name(const COMP_METHOD *comp)
+ {
+ if (comp)
+ return comp->name;
+ return NULL;
}
+#endif
projects / openssl.git / blobdiff