summaryrefslogtreecommitdiffstats
path: root/crypto/openssl/ssl/s3_lib.c
diff options
context:
space:
mode:
authorkris <kris@FreeBSD.org>2000-01-10 06:22:05 +0000
committerkris <kris@FreeBSD.org>2000-01-10 06:22:05 +0000
commit2e467dc342d6641955ef59a1a671ff929444d45b (patch)
treeb5683ff3d44c93978826763313683673904c6bd9 /crypto/openssl/ssl/s3_lib.c
parente829abb179a8846d90fb31e1bcab4ea0aec4590f (diff)
downloadFreeBSD-src-2e467dc342d6641955ef59a1a671ff929444d45b.zip
FreeBSD-src-2e467dc342d6641955ef59a1a671ff929444d45b.tar.gz
Initial import of OpenSSL 0.9.4, sans IDEA and RSA code for patent
infringement reasons.
Diffstat (limited to 'crypto/openssl/ssl/s3_lib.c')
-rw-r--r--crypto/openssl/ssl/s3_lib.c1107
1 files changed, 1107 insertions, 0 deletions
diff --git a/crypto/openssl/ssl/s3_lib.c b/crypto/openssl/ssl/s3_lib.c
new file mode 100644
index 0000000..aeff6b5
--- /dev/null
+++ b/crypto/openssl/ssl/s3_lib.c
@@ -0,0 +1,1107 @@
+/* ssl/s3_lib.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to. The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code. The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * 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 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 acknowledgement:
+ * "This product includes cryptographic software written by
+ * Eric Young (eay@cryptsoft.com)"
+ * The word 'cryptographic' can be left out if the rouines from the library
+ * being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ * the apps directory (application code) you must include an acknowledgement:
+ * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS 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 AUTHOR OR 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.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed. i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stdio.h>
+#include <openssl/md5.h>
+#include <openssl/sha.h>
+#include <openssl/objects.h>
+#include "ssl_locl.h"
+
+const char *ssl3_version_str="SSLv3" OPENSSL_VERSION_PTEXT;
+
+#define SSL3_NUM_CIPHERS (sizeof(ssl3_ciphers)/sizeof(SSL_CIPHER))
+
+static long ssl3_default_timeout(void );
+
+OPENSSL_GLOBAL SSL_CIPHER ssl3_ciphers[]={
+/* The RSA ciphers */
+/* Cipher 01 */
+ {
+ 1,
+ SSL3_TXT_RSA_NULL_MD5,
+ SSL3_CK_RSA_NULL_MD5,
+ SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_MD5|SSL_NOT_EXP|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 02 */
+ {
+ 1,
+ SSL3_TXT_RSA_NULL_SHA,
+ SSL3_CK_RSA_NULL_SHA,
+ SSL_kRSA|SSL_aRSA|SSL_eNULL |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+
+/* anon DH */
+/* Cipher 17 */
+ {
+ 1,
+ SSL3_TXT_ADH_RC4_40_MD5,
+ SSL3_CK_ADH_RC4_40_MD5,
+ SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5 |SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 18 */
+ {
+ 1,
+ SSL3_TXT_ADH_RC4_128_MD5,
+ SSL3_CK_ADH_RC4_128_MD5,
+ SSL_kEDH |SSL_aNULL|SSL_RC4 |SSL_MD5|SSL_NOT_EXP|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 19 */
+ {
+ 1,
+ SSL3_TXT_ADH_DES_40_CBC_SHA,
+ SSL3_CK_ADH_DES_40_CBC_SHA,
+ SSL_kEDH |SSL_aNULL|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 1A */
+ {
+ 1,
+ SSL3_TXT_ADH_DES_64_CBC_SHA,
+ SSL3_CK_ADH_DES_64_CBC_SHA,
+ SSL_kEDH |SSL_aNULL|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 1B */
+ {
+ 1,
+ SSL3_TXT_ADH_DES_192_CBC_SHA,
+ SSL3_CK_ADH_DES_192_CBC_SHA,
+ SSL_kEDH |SSL_aNULL|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+
+/* RSA again */
+/* Cipher 03 */
+ {
+ 1,
+ SSL3_TXT_RSA_RC4_40_MD5,
+ SSL3_CK_RSA_RC4_40_MD5,
+ SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5 |SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 04 */
+ {
+ 1,
+ SSL3_TXT_RSA_RC4_128_MD5,
+ SSL3_CK_RSA_RC4_128_MD5,
+ SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_MD5|SSL_NOT_EXP|SSL_SSLV3|SSL_MEDIUM,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 05 */
+ {
+ 1,
+ SSL3_TXT_RSA_RC4_128_SHA,
+ SSL3_CK_RSA_RC4_128_SHA,
+ SSL_kRSA|SSL_aRSA|SSL_RC4 |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_MEDIUM,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 06 */
+ {
+ 1,
+ SSL3_TXT_RSA_RC2_40_MD5,
+ SSL3_CK_RSA_RC2_40_MD5,
+ SSL_kRSA|SSL_aRSA|SSL_RC2 |SSL_MD5 |SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 07 */
+ {
+ 1,
+ SSL3_TXT_RSA_IDEA_128_SHA,
+ SSL3_CK_RSA_IDEA_128_SHA,
+ SSL_kRSA|SSL_aRSA|SSL_IDEA |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_MEDIUM,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 08 */
+ {
+ 1,
+ SSL3_TXT_RSA_DES_40_CBC_SHA,
+ SSL3_CK_RSA_DES_40_CBC_SHA,
+ SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 09 */
+ {
+ 1,
+ SSL3_TXT_RSA_DES_64_CBC_SHA,
+ SSL3_CK_RSA_DES_64_CBC_SHA,
+ SSL_kRSA|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 0A */
+ {
+ 1,
+ SSL3_TXT_RSA_DES_192_CBC3_SHA,
+ SSL3_CK_RSA_DES_192_CBC3_SHA,
+ SSL_kRSA|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+
+/* The DH ciphers */
+/* Cipher 0B */
+ {
+ 0,
+ SSL3_TXT_DH_DSS_DES_40_CBC_SHA,
+ SSL3_CK_DH_DSS_DES_40_CBC_SHA,
+ SSL_kDHd |SSL_aDH|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 0C */
+ {
+ 0,
+ SSL3_TXT_DH_DSS_DES_64_CBC_SHA,
+ SSL3_CK_DH_DSS_DES_64_CBC_SHA,
+ SSL_kDHd |SSL_aDH|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 0D */
+ {
+ 0,
+ SSL3_TXT_DH_DSS_DES_192_CBC3_SHA,
+ SSL3_CK_DH_DSS_DES_192_CBC3_SHA,
+ SSL_kDHd |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 0E */
+ {
+ 0,
+ SSL3_TXT_DH_RSA_DES_40_CBC_SHA,
+ SSL3_CK_DH_RSA_DES_40_CBC_SHA,
+ SSL_kDHr |SSL_aDH|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 0F */
+ {
+ 0,
+ SSL3_TXT_DH_RSA_DES_64_CBC_SHA,
+ SSL3_CK_DH_RSA_DES_64_CBC_SHA,
+ SSL_kDHr |SSL_aDH|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 10 */
+ {
+ 0,
+ SSL3_TXT_DH_RSA_DES_192_CBC3_SHA,
+ SSL3_CK_DH_RSA_DES_192_CBC3_SHA,
+ SSL_kDHr |SSL_aDH|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+
+/* The Ephemeral DH ciphers */
+/* Cipher 11 */
+ {
+ 1,
+ SSL3_TXT_EDH_DSS_DES_40_CBC_SHA,
+ SSL3_CK_EDH_DSS_DES_40_CBC_SHA,
+ SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 12 */
+ {
+ 1,
+ SSL3_TXT_EDH_DSS_DES_64_CBC_SHA,
+ SSL3_CK_EDH_DSS_DES_64_CBC_SHA,
+ SSL_kEDH|SSL_aDSS|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 13 */
+ {
+ 1,
+ SSL3_TXT_EDH_DSS_DES_192_CBC3_SHA,
+ SSL3_CK_EDH_DSS_DES_192_CBC3_SHA,
+ SSL_kEDH|SSL_aDSS|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 14 */
+ {
+ 1,
+ SSL3_TXT_EDH_RSA_DES_40_CBC_SHA,
+ SSL3_CK_EDH_RSA_DES_40_CBC_SHA,
+ SSL_kEDH|SSL_aRSA|SSL_DES|SSL_SHA1|SSL_EXP40|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 15 */
+ {
+ 1,
+ SSL3_TXT_EDH_RSA_DES_64_CBC_SHA,
+ SSL3_CK_EDH_RSA_DES_64_CBC_SHA,
+ SSL_kEDH|SSL_aRSA|SSL_DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_LOW,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+/* Cipher 16 */
+ {
+ 1,
+ SSL3_TXT_EDH_RSA_DES_192_CBC3_SHA,
+ SSL3_CK_EDH_RSA_DES_192_CBC3_SHA,
+ SSL_kEDH|SSL_aRSA|SSL_3DES |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3|SSL_HIGH,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+
+/* Fortezza */
+/* Cipher 1C */
+ {
+ 0,
+ SSL3_TXT_FZA_DMS_NULL_SHA,
+ SSL3_CK_FZA_DMS_NULL_SHA,
+ SSL_kFZA|SSL_aFZA |SSL_eNULL |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+
+/* Cipher 1D */
+ {
+ 0,
+ SSL3_TXT_FZA_DMS_FZA_SHA,
+ SSL3_CK_FZA_DMS_FZA_SHA,
+ SSL_kFZA|SSL_aFZA |SSL_eFZA |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+
+/* Cipher 1E */
+ {
+ 0,
+ SSL3_TXT_FZA_DMS_RC4_SHA,
+ SSL3_CK_FZA_DMS_RC4_SHA,
+ SSL_kFZA|SSL_aFZA |SSL_RC4 |SSL_SHA1|SSL_NOT_EXP|SSL_SSLV3,
+ 0,
+ SSL_ALL_CIPHERS,
+ },
+
+#if TLS1_ALLOW_EXPERIMENTAL_CIPHERSUITES
+ /* New TLS Export CipherSuites */
+ /* Cipher 60 */
+ {
+ 1,
+ TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_MD5,
+ TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_MD5,
+ SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_EXP56|SSL_TLSV1,
+ 0,
+ SSL_ALL_CIPHERS
+ },
+ /* Cipher 61 */
+ {
+ 1,
+ TLS1_TXT_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
+ TLS1_CK_RSA_EXPORT1024_WITH_RC2_CBC_56_MD5,
+ SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_EXP56|SSL_TLSV1,
+ 0,
+ SSL_ALL_CIPHERS
+ },
+ /* Cipher 62 */
+ {
+ 1,
+ TLS1_TXT_RSA_EXPORT1024_WITH_DES_CBC_SHA,
+ TLS1_CK_RSA_EXPORT1024_WITH_DES_CBC_SHA,
+ SSL_kRSA|SSL_aRSA|SSL_DES|SSL_SHA|SSL_EXP56|SSL_TLSV1,
+ 0,
+ SSL_ALL_CIPHERS
+ },
+ /* Cipher 63 */
+ {
+ 1,
+ TLS1_TXT_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
+ TLS1_CK_DHE_DSS_EXPORT1024_WITH_DES_CBC_SHA,
+ SSL_kEDH|SSL_aDSS|SSL_DES|SSL_SHA|SSL_EXP56|SSL_TLSV1,
+ 0,
+ SSL_ALL_CIPHERS
+ },
+ /* Cipher 64 */
+ {
+ 1,
+ TLS1_TXT_RSA_EXPORT1024_WITH_RC4_56_SHA,
+ TLS1_CK_RSA_EXPORT1024_WITH_RC4_56_SHA,
+ SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_SHA|SSL_EXP56|SSL_TLSV1,
+ 0,
+ SSL_ALL_CIPHERS
+ },
+ /* Cipher 65 */
+ {
+ 1,
+ TLS1_TXT_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
+ TLS1_CK_DHE_DSS_EXPORT1024_WITH_RC4_56_SHA,
+ SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_EXP56|SSL_TLSV1,
+ 0,
+ SSL_ALL_CIPHERS
+ },
+ /* Cipher 66 */
+ {
+ 1,
+ TLS1_TXT_DHE_DSS_WITH_RC4_128_SHA,
+ TLS1_CK_DHE_DSS_WITH_RC4_128_SHA,
+ SSL_kEDH|SSL_aDSS|SSL_RC4|SSL_SHA|SSL_TLSV1,
+ 0,
+ SSL_ALL_CIPHERS
+ },
+#endif
+
+/* end of list */
+ };
+
+static SSL3_ENC_METHOD SSLv3_enc_data={
+ ssl3_enc,
+ ssl3_mac,
+ ssl3_setup_key_block,
+ ssl3_generate_master_secret,
+ ssl3_change_cipher_state,
+ ssl3_final_finish_mac,
+ MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH,
+ ssl3_cert_verify_mac,
+ SSL3_MD_CLIENT_FINISHED_CONST,4,
+ SSL3_MD_SERVER_FINISHED_CONST,4,
+ ssl3_alert_code,
+ };
+
+static SSL_METHOD SSLv3_data= {
+ SSL3_VERSION,
+ ssl3_new,
+ ssl3_clear,
+ ssl3_free,
+ ssl_undefined_function,
+ ssl_undefined_function,
+ ssl3_read,
+ ssl3_peek,
+ ssl3_write,
+ ssl3_shutdown,
+ ssl3_renegotiate,
+ ssl3_renegotiate_check,
+ ssl3_ctrl,
+ ssl3_ctx_ctrl,
+ ssl3_get_cipher_by_char,
+ ssl3_put_cipher_by_char,
+ ssl3_pending,
+ ssl3_num_ciphers,
+ ssl3_get_cipher,
+ ssl_bad_method,
+ ssl3_default_timeout,
+ &SSLv3_enc_data,
+ };
+
+static long ssl3_default_timeout(void)
+ {
+ /* 2 hours, the 24 hours mentioned in the SSLv3 spec
+ * is way too long for http, the cache would over fill */
+ return(60*60*2);
+ }
+
+SSL_METHOD *sslv3_base_method(void)
+ {
+ return(&SSLv3_data);
+ }
+
+int ssl3_num_ciphers(void)
+ {
+ return(SSL3_NUM_CIPHERS);
+ }
+
+SSL_CIPHER *ssl3_get_cipher(unsigned int u)
+ {
+ if (u < SSL3_NUM_CIPHERS)
+ return(&(ssl3_ciphers[SSL3_NUM_CIPHERS-1-u]));
+ else
+ return(NULL);
+ }
+
+/* The problem is that it may not be the correct record type */
+int ssl3_pending(SSL *s)
+ {
+ return(s->s3->rrec.length);
+ }
+
+int ssl3_new(SSL *s)
+ {
+ SSL3_CTX *s3;
+
+ if ((s3=(SSL3_CTX *)Malloc(sizeof(SSL3_CTX))) == NULL) goto err;
+ memset(s3,0,sizeof(SSL3_CTX));
+
+ s->s3=s3;
+ /*
+ s->s3->tmp.ca_names=NULL;
+ s->s3->tmp.key_block=NULL;
+ s->s3->tmp.key_block_length=0;
+ s->s3->rbuf.buf=NULL;
+ s->s3->wbuf.buf=NULL;
+ */
+
+ s->method->ssl_clear(s);
+ return(1);
+err:
+ return(0);
+ }
+
+void ssl3_free(SSL *s)
+ {
+ if(s == NULL)
+ return;
+
+ ssl3_cleanup_key_block(s);
+ if (s->s3->rbuf.buf != NULL)
+ Free(s->s3->rbuf.buf);
+ if (s->s3->wbuf.buf != NULL)
+ Free(s->s3->wbuf.buf);
+ if (s->s3->rrec.comp != NULL)
+ Free(s->s3->rrec.comp);
+#ifndef NO_DH
+ if (s->s3->tmp.dh != NULL)
+ DH_free(s->s3->tmp.dh);
+#endif
+ if (s->s3->tmp.ca_names != NULL)
+ sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
+ memset(s->s3,0,sizeof(SSL3_CTX));
+ Free(s->s3);
+ s->s3=NULL;
+ }
+
+void ssl3_clear(SSL *s)
+ {
+ unsigned char *rp,*wp;
+
+ ssl3_cleanup_key_block(s);
+ if (s->s3->tmp.ca_names != NULL)
+ sk_X509_NAME_pop_free(s->s3->tmp.ca_names,X509_NAME_free);
+
+ if (s->s3->rrec.comp != NULL)
+ {
+ Free(s->s3->rrec.comp);
+ s->s3->rrec.comp=NULL;
+ }
+
+ rp=s->s3->rbuf.buf;
+ wp=s->s3->wbuf.buf;
+
+ memset(s->s3,0,sizeof(SSL3_CTX));
+ if (rp != NULL) s->s3->rbuf.buf=rp;
+ if (wp != NULL) s->s3->wbuf.buf=wp;
+
+ ssl_free_wbio_buffer(s);
+
+ s->packet_length=0;
+ s->s3->renegotiate=0;
+ s->s3->total_renegotiations=0;
+ s->s3->num_renegotiations=0;
+ s->s3->in_read_app_data=0;
+ s->version=SSL3_VERSION;
+ }
+
+long ssl3_ctrl(SSL *s, int cmd, long larg, char *parg)
+ {
+ int ret=0;
+
+#if !defined(NO_DSA) || !defined(NO_RSA)
+ if (
+#ifndef NO_RSA
+ cmd == SSL_CTRL_SET_TMP_RSA ||
+ cmd == SSL_CTRL_SET_TMP_RSA_CB ||
+#endif
+#ifndef NO_DSA
+ cmd == SSL_CTRL_SET_TMP_DH ||
+ cmd == SSL_CTRL_SET_TMP_DH_CB ||
+#endif
+ 0)
+ {
+ if (!ssl_cert_inst(&s->cert))
+ {
+ SSLerr(SSL_F_SSL3_CTRL, ERR_R_MALLOC_FAILURE);
+ return(0);
+ }
+ }
+#endif
+
+ switch (cmd)
+ {
+ case SSL_CTRL_GET_SESSION_REUSED:
+ ret=s->hit;
+ break;
+ case SSL_CTRL_GET_CLIENT_CERT_REQUEST:
+ break;
+ case SSL_CTRL_GET_NUM_RENEGOTIATIONS:
+ ret=s->s3->num_renegotiations;
+ break;
+ case SSL_CTRL_CLEAR_NUM_RENEGOTIATIONS:
+ ret=s->s3->num_renegotiations;
+ s->s3->num_renegotiations=0;
+ break;
+ case SSL_CTRL_GET_TOTAL_RENEGOTIATIONS:
+ ret=s->s3->total_renegotiations;
+ break;
+ case SSL_CTRL_GET_FLAGS:
+ ret=(int)(s->s3->flags);
+ break;
+#ifndef NO_RSA
+ case SSL_CTRL_NEED_TMP_RSA:
+ if ((s->cert != NULL) && (s->cert->rsa_tmp == NULL) &&
+ ((s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
+ (EVP_PKEY_size(s->cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8))))
+ ret = 1;
+ break;
+ case SSL_CTRL_SET_TMP_RSA:
+ {
+ RSA *rsa = (RSA *)parg;
+ if (rsa == NULL) {
+ SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+ return(ret);
+ }
+ if ((rsa = RSAPrivateKey_dup(rsa)) == NULL) {
+ SSLerr(SSL_F_SSL3_CTRL, ERR_R_RSA_LIB);
+ return(ret);
+ }
+ if (s->cert->rsa_tmp != NULL)
+ RSA_free(s->cert->rsa_tmp);
+ s->cert->rsa_tmp = rsa;
+ ret = 1;
+ }
+ break;
+ case SSL_CTRL_SET_TMP_RSA_CB:
+ s->cert->rsa_tmp_cb = (RSA *(*)(SSL *, int, int))parg;
+ break;
+#endif
+#ifndef NO_DH
+ case SSL_CTRL_SET_TMP_DH:
+ {
+ DH *dh = (DH *)parg;
+ if (dh == NULL) {
+ SSLerr(SSL_F_SSL3_CTRL, ERR_R_PASSED_NULL_PARAMETER);
+ return(ret);
+ }
+ if ((dh = DHparams_dup(dh)) == NULL) {
+ SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
+ return(ret);
+ }
+ if (!DH_generate_key(dh)) {
+ DH_free(dh);
+ SSLerr(SSL_F_SSL3_CTRL, ERR_R_DH_LIB);
+ return(ret);
+ }
+ if (s->cert->dh_tmp != NULL)
+ DH_free(s->cert->dh_tmp);
+ s->cert->dh_tmp = dh;
+ ret = 1;
+ }
+ break;
+ case SSL_CTRL_SET_TMP_DH_CB:
+ s->cert->dh_tmp_cb = (DH *(*)(SSL *, int, int))parg;
+ break;
+#endif
+ default:
+ break;
+ }
+ return(ret);
+ }
+
+long ssl3_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
+ {
+ CERT *cert;
+
+ cert=ctx->cert;
+
+ switch (cmd)
+ {
+#ifndef NO_RSA
+ case SSL_CTRL_NEED_TMP_RSA:
+ if ( (cert->rsa_tmp == NULL) &&
+ ((cert->pkeys[SSL_PKEY_RSA_ENC].privatekey == NULL) ||
+ (EVP_PKEY_size(cert->pkeys[SSL_PKEY_RSA_ENC].privatekey) > (512/8)))
+ )
+ return(1);
+ else
+ return(0);
+ /* break; */
+ case SSL_CTRL_SET_TMP_RSA:
+ {
+ RSA *rsa;
+ int i;
+
+ rsa=(RSA *)parg;
+ i=1;
+ if (rsa == NULL)
+ i=0;
+ else
+ {
+ if ((rsa=RSAPrivateKey_dup(rsa)) == NULL)
+ i=0;
+ }
+ if (!i)
+ {
+ SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_RSA_LIB);
+ return(0);
+ }
+ else
+ {
+ if (cert->rsa_tmp != NULL)
+ RSA_free(cert->rsa_tmp);
+ cert->rsa_tmp=rsa;
+ return(1);
+ }
+ }
+ /* break; */
+ case SSL_CTRL_SET_TMP_RSA_CB:
+ cert->rsa_tmp_cb=(RSA *(*)(SSL *, int, int))parg;
+ break;
+#endif
+#ifndef NO_DH
+ case SSL_CTRL_SET_TMP_DH:
+ {
+ DH *new=NULL,*dh;
+ int rret=0;
+
+ dh=(DH *)parg;
+ if ( ((new=DHparams_dup(dh)) == NULL) ||
+ (!DH_generate_key(new)))
+ {
+ SSLerr(SSL_F_SSL3_CTX_CTRL,ERR_R_DH_LIB);
+ if (new != NULL) DH_free(new);
+ }
+ else
+ {
+ if (cert->dh_tmp != NULL)
+ DH_free(cert->dh_tmp);
+ cert->dh_tmp=new;
+ rret=1;
+ }
+ return(rret);
+ }
+ /*break; */
+ case SSL_CTRL_SET_TMP_DH_CB:
+ cert->dh_tmp_cb=(DH *(*)(SSL *, int, int))parg;
+ break;
+#endif
+ /* A Thawte special :-) */
+ case SSL_CTRL_EXTRA_CHAIN_CERT:
+ if (ctx->extra_certs == NULL)
+ {
+ if ((ctx->extra_certs=sk_X509_new_null()) == NULL)
+ return(0);
+ }
+ sk_X509_push(ctx->extra_certs,(X509 *)parg);
+ break;
+
+ default:
+ return(0);
+ }
+ return(1);
+ }
+
+/* This function needs to check if the ciphers required are actually
+ * available */
+SSL_CIPHER *ssl3_get_cipher_by_char(const unsigned char *p)
+ {
+ static int init=1;
+ static SSL_CIPHER *sorted[SSL3_NUM_CIPHERS];
+ SSL_CIPHER c,*cp= &c,**cpp;
+ unsigned long id;
+ int i;
+
+ if (init)
+ {
+ CRYPTO_w_lock(CRYPTO_LOCK_SSL);
+
+ for (i=0; i<SSL3_NUM_CIPHERS; i++)
+ sorted[i]= &(ssl3_ciphers[i]);
+
+ qsort( (char *)sorted,
+ SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
+ FP_ICC ssl_cipher_ptr_id_cmp);
+
+ CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
+
+ init=0;
+ }
+
+ id=0x03000000L|((unsigned long)p[0]<<8L)|(unsigned long)p[1];
+ c.id=id;
+ cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
+ (char *)sorted,
+ SSL3_NUM_CIPHERS,sizeof(SSL_CIPHER *),
+ (int (*)())ssl_cipher_ptr_id_cmp);
+ if ((cpp == NULL) || !(*cpp)->valid)
+ return(NULL);
+ else
+ return(*cpp);
+ }
+
+int ssl3_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
+ {
+ long l;
+
+ if (p != NULL)
+ {
+ l=c->id;
+ if ((l & 0xff000000) != 0x03000000) return(0);
+ p[0]=((unsigned char)(l>> 8L))&0xFF;
+ p[1]=((unsigned char)(l ))&0xFF;
+ }
+ return(2);
+ }
+
+int ssl3_part_read(SSL *s, int i)
+ {
+ s->rwstate=SSL_READING;
+
+ if (i < 0)
+ {
+ return(i);
+ }
+ else
+ {
+ s->init_num+=i;
+ return(0);
+ }
+ }
+
+SSL_CIPHER *ssl3_choose_cipher(SSL *s, STACK_OF(SSL_CIPHER) *have,
+ STACK_OF(SSL_CIPHER) *pref)
+ {
+ SSL_CIPHER *c,*ret=NULL;
+ int i,j,ok;
+ CERT *cert;
+ unsigned long alg,mask,emask;
+
+ /* Let's see which ciphers we can support */
+ cert=s->cert;
+
+ sk_SSL_CIPHER_set_cmp_func(pref,ssl_cipher_ptr_id_cmp);
+
+#ifdef CIPHER_DEBUG
+ printf("Have:\n");
+ for(i=0 ; i < sk_num(pref) ; ++i)
+ {
+ c=(SSL_CIPHER *)sk_value(pref,i);
+ printf("%p:%s\n",c,c->name);
+ }
+#endif
+
+ for (i=0; i<sk_SSL_CIPHER_num(have); i++)
+ {
+ c=sk_SSL_CIPHER_value(have,i);
+
+ ssl_set_cert_masks(cert,c);
+ mask=cert->mask;
+ emask=cert->export_mask;
+
+ alg=c->algorithms&(SSL_MKEY_MASK|SSL_AUTH_MASK);
+ if (SSL_IS_EXPORT(c->algorithms))
+ {
+ ok=((alg & emask) == alg)?1:0;
+#ifdef CIPHER_DEBUG
+ printf("%d:[%08lX:%08lX]%p:%s (export)\n",ok,alg,emask,
+ c,c->name);
+#endif
+ }
+ else
+ {
+ ok=((alg & mask) == alg)?1:0;
+#ifdef CIPHER_DEBUG
+ printf("%d:[%08lX:%08lX]%p:%s\n",ok,alg,mask,c,
+ c->name);
+#endif
+ }
+
+ if (!ok) continue;
+
+ j=sk_SSL_CIPHER_find(pref,c);
+ if (j >= 0)
+ {
+ ret=sk_SSL_CIPHER_value(pref,j);
+ break;
+ }
+ }
+ return(ret);
+ }
+
+int ssl3_get_req_cert_type(SSL *s, unsigned char *p)
+ {
+ int ret=0;
+ unsigned long alg;
+
+ alg=s->s3->tmp.new_cipher->algorithms;
+
+#ifndef NO_DH
+ if (alg & (SSL_kDHr|SSL_kEDH))
+ {
+# ifndef NO_RSA
+ p[ret++]=SSL3_CT_RSA_FIXED_DH;
+# endif
+# ifndef NO_DSA
+ p[ret++]=SSL3_CT_DSS_FIXED_DH;
+# endif
+ }
+ if ((s->version == SSL3_VERSION) &&
+ (alg & (SSL_kEDH|SSL_kDHd|SSL_kDHr)))
+ {
+# ifndef NO_RSA
+ p[ret++]=SSL3_CT_RSA_EPHEMERAL_DH;
+# endif
+# ifndef NO_DSA
+ p[ret++]=SSL3_CT_DSS_EPHEMERAL_DH;
+# endif
+ }
+#endif /* !NO_DH */
+#ifndef NO_RSA
+ p[ret++]=SSL3_CT_RSA_SIGN;
+#endif
+#ifndef NO_DSA
+ p[ret++]=SSL3_CT_DSS_SIGN;
+#endif
+ return(ret);
+ }
+
+int ssl3_shutdown(SSL *s)
+ {
+
+ /* Don't do anything much if we have not done the handshake or
+ * we don't want to send messages :-) */
+ if ((s->quiet_shutdown) || (s->state == SSL_ST_BEFORE))
+ {
+ s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+ return(1);
+ }
+
+ if (!(s->shutdown & SSL_SENT_SHUTDOWN))
+ {
+ s->shutdown|=SSL_SENT_SHUTDOWN;
+#if 1
+ ssl3_send_alert(s,SSL3_AL_WARNING,SSL_AD_CLOSE_NOTIFY);
+#endif
+ /* our shutdown alert has been sent now, and if it still needs
+ * to be written, s->s3->alert_dispatch will be true */
+ }
+ else if (s->s3->alert_dispatch)
+ {
+ /* resend it if not sent */
+#if 1
+ ssl3_dispatch_alert(s);
+#endif
+ }
+ else if (!(s->shutdown & SSL_RECEIVED_SHUTDOWN))
+ {
+ /* If we are waiting for a close from our peer, we are closed */
+ ssl3_read_bytes(s,0,NULL,0);
+ }
+
+ if ((s->shutdown == (SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN)) &&
+ !s->s3->alert_dispatch)
+ return(1);
+ else
+ return(0);
+ }
+
+int ssl3_write(SSL *s, const void *buf, int len)
+ {
+ int ret,n;
+
+#if 0
+ if (s->shutdown & SSL_SEND_SHUTDOWN)
+ {
+ s->rwstate=SSL_NOTHING;
+ return(0);
+ }
+#endif
+ clear_sys_error();
+ if (s->s3->renegotiate) ssl3_renegotiate_check(s);
+
+ /* This is an experimental flag that sends the
+ * last handshake message in the same packet as the first
+ * use data - used to see if it helps the TCP protocol during
+ * session-id reuse */
+ /* The second test is because the buffer may have been removed */
+ if ((s->s3->flags & SSL3_FLAGS_POP_BUFFER) && (s->wbio == s->bbio))
+ {
+ /* First time through, we write into the buffer */
+ if (s->s3->delay_buf_pop_ret == 0)
+ {
+ ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
+ buf,len);
+ if (ret <= 0) return(ret);
+
+ s->s3->delay_buf_pop_ret=ret;
+ }
+
+ s->rwstate=SSL_WRITING;
+ n=BIO_flush(s->wbio);
+ if (n <= 0) return(n);
+ s->rwstate=SSL_NOTHING;
+
+ /* We have flushed the buffer, so remove it */
+ ssl_free_wbio_buffer(s);
+ s->s3->flags&= ~SSL3_FLAGS_POP_BUFFER;
+
+ ret=s->s3->delay_buf_pop_ret;
+ s->s3->delay_buf_pop_ret=0;
+ }
+ else
+ {
+ ret=ssl3_write_bytes(s,SSL3_RT_APPLICATION_DATA,
+ buf,len);
+ if (ret <= 0) return(ret);
+ }
+
+ return(ret);
+ }
+
+int ssl3_read(SSL *s, void *buf, int len)
+ {
+ int ret;
+
+ clear_sys_error();
+ if (s->s3->renegotiate) ssl3_renegotiate_check(s);
+ s->s3->in_read_app_data=1;
+ ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len);
+ if ((ret == -1) && (s->s3->in_read_app_data == 0))
+ {
+ ERR_get_error(); /* clear the error */
+ s->s3->in_read_app_data=0;
+ s->in_handshake++;
+ ret=ssl3_read_bytes(s,SSL3_RT_APPLICATION_DATA,buf,len);
+ s->in_handshake--;
+ }
+ else
+ s->s3->in_read_app_data=0;
+
+ return(ret);
+ }
+
+int ssl3_peek(SSL *s, char *buf, int len)
+ {
+ SSL3_RECORD *rr;
+ int n;
+
+ rr= &(s->s3->rrec);
+ if ((rr->length == 0) || (rr->type != SSL3_RT_APPLICATION_DATA))
+ {
+ n=ssl3_read(s,buf,1);
+ if (n <= 0) return(n);
+ rr->length++;
+ rr->off--;
+ }
+
+ if ((unsigned int)len > rr->length)
+ n=rr->length;
+ else
+ n=len;
+ memcpy(buf,&(rr->data[rr->off]),(unsigned int)n);
+ return(n);
+ }
+
+int ssl3_renegotiate(SSL *s)
+ {
+ if (s->handshake_func == NULL)
+ return(1);
+
+ if (s->s3->flags & SSL3_FLAGS_NO_RENEGOTIATE_CIPHERS)
+ return(0);
+
+ s->s3->renegotiate=1;
+ return(1);
+ }
+
+int ssl3_renegotiate_check(SSL *s)
+ {
+ int ret=0;
+
+ if (s->s3->renegotiate)
+ {
+ if ( (s->s3->rbuf.left == 0) &&
+ (s->s3->wbuf.left == 0) &&
+ !SSL_in_init(s))
+ {
+/*
+if we are the server, and we have sent a 'RENEGOTIATE' message, we
+need to go to SSL_ST_ACCEPT.
+*/
+ /* SSL_ST_ACCEPT */
+ s->state=SSL_ST_RENEGOTIATE;
+ s->s3->renegotiate=0;
+ s->s3->num_renegotiations++;
+ s->s3->total_renegotiations++;
+ ret=1;
+ }
+ }
+ return(ret);
+ }
+
OpenPOWER on IntegriCloud