Initial import of OpenSSL 0.9.4, sans IDEA and RSA code for patent

infringement reasons.

1 files changed, 424 insertions, 0 deletions

diff --git a/crypto/openssl/ssl/s2_lib.c b/crypto/openssl/ssl/s2_lib.c
new file mode 100644
index 0000000..ff804d8
--- /dev/null
+++ b/crypto/openssl/ssl/s2_lib.c
@@ -0,0 +1,424 @@
+/* ssl/s2_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.]
+ */
+
+#ifndef NO_RSA
+#include <stdio.h>
+#include <openssl/rsa.h>
+#include <openssl/objects.h>
+#include <openssl/md5.h>
+#include "ssl_locl.h"
+
+static long ssl2_default_timeout(void );
+const char *ssl2_version_str="SSLv2" OPENSSL_VERSION_PTEXT;
+
+#define SSL2_NUM_CIPHERS (sizeof(ssl2_ciphers)/sizeof(SSL_CIPHER))
+
+OPENSSL_GLOBAL SSL_CIPHER ssl2_ciphers[]={
+/* NULL_WITH_MD5 v3 */
+#if 0
+	{
+	1,
+	SSL2_TXT_NULL_WITH_MD5,
+	SSL2_CK_NULL_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_eNULL|SSL_MD5|SSL_EXP40|SSL_SSLV2,
+	0,
+	SSL_ALL_CIPHERS,
+	},
+#endif
+/* RC4_128_EXPORT40_WITH_MD5 */
+	{
+	1,
+	SSL2_TXT_RC4_128_EXPORT40_WITH_MD5,
+	SSL2_CK_RC4_128_EXPORT40_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_EXP40|SSL_SSLV2,
+	SSL2_CF_5_BYTE_ENC,
+	SSL_ALL_CIPHERS,
+	},
+/* RC4_128_WITH_MD5 */
+	{
+	1,
+	SSL2_TXT_RC4_128_WITH_MD5,
+	SSL2_CK_RC4_128_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_MEDIUM,
+	0,
+	SSL_ALL_CIPHERS,
+	},
+/* RC2_128_CBC_EXPORT40_WITH_MD5 */
+	{
+	1,
+	SSL2_TXT_RC2_128_CBC_EXPORT40_WITH_MD5,
+	SSL2_CK_RC2_128_CBC_EXPORT40_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_EXP40|SSL_SSLV2,
+	SSL2_CF_5_BYTE_ENC,
+	SSL_ALL_CIPHERS,
+	},
+/* RC2_128_CBC_WITH_MD5 */
+	{
+	1,
+	SSL2_TXT_RC2_128_CBC_WITH_MD5,
+	SSL2_CK_RC2_128_CBC_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_RC2|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_MEDIUM,
+	0,
+	SSL_ALL_CIPHERS,
+	},
+/* IDEA_128_CBC_WITH_MD5 */
+	{
+	1,
+	SSL2_TXT_IDEA_128_CBC_WITH_MD5,
+	SSL2_CK_IDEA_128_CBC_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_IDEA|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_MEDIUM,
+	0,
+	SSL_ALL_CIPHERS,
+	},
+/* DES_64_CBC_WITH_MD5 */
+	{
+	1,
+	SSL2_TXT_DES_64_CBC_WITH_MD5,
+	SSL2_CK_DES_64_CBC_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_DES|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_LOW,
+	0,
+	SSL_ALL_CIPHERS,
+	},
+/* DES_192_EDE3_CBC_WITH_MD5 */
+	{
+	1,
+	SSL2_TXT_DES_192_EDE3_CBC_WITH_MD5,
+	SSL2_CK_DES_192_EDE3_CBC_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_3DES|SSL_MD5|SSL_NOT_EXP|SSL_SSLV2|SSL_HIGH,
+	0,
+	SSL_ALL_CIPHERS,
+	},
+/* RC4_64_WITH_MD5 */
+#if 1
+	{
+	1,
+	SSL2_TXT_RC4_64_WITH_MD5,
+	SSL2_CK_RC4_64_WITH_MD5,
+	SSL_kRSA|SSL_aRSA|SSL_RC4|SSL_MD5|SSL_SSLV2|SSL_LOW,
+	SSL2_CF_8_BYTE_ENC,
+	SSL_ALL_CIPHERS,
+	},
+#endif
+/* NULL SSLeay (testing) */
+#if 0
+	{	
+	0,
+	SSL2_TXT_NULL,
+	SSL2_CK_NULL,
+	0,
+	SSL_ALL_CIPHERS,
+	},
+#endif
+
+/* end of list :-) */
+	};
+
+static SSL_METHOD SSLv2_data= {
+	SSL2_VERSION,
+	ssl2_new,	/* local */
+	ssl2_clear,	/* local */
+	ssl2_free,	/* local */
+	ssl_undefined_function,
+	ssl_undefined_function,
+	ssl2_read,
+	ssl2_peek,
+	ssl2_write,
+	ssl2_shutdown,
+	ssl_ok,	/* NULL - renegotiate */
+	ssl_ok,	/* NULL - check renegotiate */
+	ssl2_ctrl,	/* local */
+	ssl2_ctx_ctrl,	/* local */
+	ssl2_get_cipher_by_char,
+	ssl2_put_cipher_by_char,
+	ssl2_pending,
+	ssl2_num_ciphers,
+	ssl2_get_cipher,
+	ssl_bad_method,
+	ssl2_default_timeout,
+	&ssl3_undef_enc_method,
+	};
+
+static long ssl2_default_timeout(void)
+	{
+	return(300);
+	}
+
+SSL_METHOD *sslv2_base_method(void)
+	{
+	return(&SSLv2_data);
+	}
+
+int ssl2_num_ciphers(void)
+	{
+	return(SSL2_NUM_CIPHERS);
+	}
+
+SSL_CIPHER *ssl2_get_cipher(unsigned int u)
+	{
+	if (u < SSL2_NUM_CIPHERS)
+		return(&(ssl2_ciphers[SSL2_NUM_CIPHERS-1-u]));
+	else
+		return(NULL);
+	}
+
+int ssl2_pending(SSL *s)
+	{
+	return(s->s2->ract_data_length);
+	}
+
+int ssl2_new(SSL *s)
+	{
+	SSL2_CTX *s2;
+
+	if ((s2=(SSL2_CTX *)Malloc(sizeof(SSL2_CTX))) == NULL) goto err;
+	memset(s2,0,sizeof(SSL2_CTX));
+
+	if ((s2->rbuf=(unsigned char *)Malloc(
+		SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER+2)) == NULL) goto err;
+	if ((s2->wbuf=(unsigned char *)Malloc(
+		SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER+2)) == NULL) goto err;
+	s->s2=s2;
+
+	ssl2_clear(s);
+	return(1);
+err:
+	if (s2 != NULL)
+		{
+		if (s2->wbuf != NULL) Free(s2->wbuf);
+		if (s2->rbuf != NULL) Free(s2->rbuf);
+		Free(s2);
+		}
+	return(0);
+	}
+
+void ssl2_free(SSL *s)
+	{
+	SSL2_CTX *s2;
+
+	if(s == NULL)
+	    return;
+
+	s2=s->s2;
+	if (s2->rbuf != NULL) Free(s2->rbuf);
+	if (s2->wbuf != NULL) Free(s2->wbuf);
+	memset(s2,0,sizeof(SSL2_CTX));
+	Free(s2);
+	s->s2=NULL;
+	}
+
+void ssl2_clear(SSL *s)
+	{
+	SSL2_CTX *s2;
+	unsigned char *rbuf,*wbuf;
+
+	s2=s->s2;
+
+	rbuf=s2->rbuf;
+	wbuf=s2->wbuf;
+
+	memset(s2,0,sizeof(SSL2_CTX));
+
+	s2->rbuf=rbuf;
+	s2->wbuf=wbuf;
+	s2->clear_text=1;
+	s->packet=s2->rbuf;
+	s->version=SSL2_VERSION;
+	s->packet_length=0;
+	}
+
+long ssl2_ctrl(SSL *s, int cmd, long larg, char *parg)
+	{
+	int ret=0;
+
+	switch(cmd)
+		{
+	case SSL_CTRL_GET_SESSION_REUSED:
+		ret=s->hit;
+		break;
+	default:
+		break;
+		}
+	return(ret);
+	}
+
+long ssl2_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, char *parg)
+	{
+	return(0);
+	}
+
+/* This function needs to check if the ciphers required are actually
+ * available */
+SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p)
+	{
+	static int init=1;
+	static SSL_CIPHER *sorted[SSL2_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<SSL2_NUM_CIPHERS; i++)
+			sorted[i]= &(ssl2_ciphers[i]);
+
+		qsort(  (char *)sorted,
+			SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER *),
+			FP_ICC ssl_cipher_ptr_id_cmp);
+
+		CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
+		init=0;
+		}
+
+	id=0x02000000L|((unsigned long)p[0]<<16L)|
+		((unsigned long)p[1]<<8L)|(unsigned long)p[2];
+	c.id=id;
+	cpp=(SSL_CIPHER **)OBJ_bsearch((char *)&cp,
+		(char *)sorted,
+		SSL2_NUM_CIPHERS,sizeof(SSL_CIPHER *),
+		(int (*)())ssl_cipher_ptr_id_cmp);
+	if ((cpp == NULL) || !(*cpp)->valid)
+		return(NULL);
+	else
+		return(*cpp);
+	}
+
+int ssl2_put_cipher_by_char(const SSL_CIPHER *c, unsigned char *p)
+	{
+	long l;
+
+	if (p != NULL)
+		{
+		l=c->id;
+		if ((l & 0xff000000) != 0x02000000) return(0);
+		p[0]=((unsigned char)(l>>16L))&0xFF;
+		p[1]=((unsigned char)(l>> 8L))&0xFF;
+		p[2]=((unsigned char)(l     ))&0xFF;
+		}
+	return(3);
+	}
+
+void ssl2_generate_key_material(SSL *s)
+	{
+	unsigned int i;
+	MD5_CTX ctx;
+	unsigned char *km;
+	unsigned char c='0';
+
+#ifdef CHARSET_EBCDIC
+	c = os_toascii['0']; /* Must be an ASCII '0', not EBCDIC '0',
+				see SSLv2 docu */
+#endif
+
+	km=s->s2->key_material;
+	for (i=0; i<s->s2->key_material_length; i+=MD5_DIGEST_LENGTH)
+		{
+		MD5_Init(&ctx);
+
+		MD5_Update(&ctx,s->session->master_key,s->session->master_key_length);
+		MD5_Update(&ctx,(unsigned char *)&c,1);
+		c++;
+		MD5_Update(&ctx,s->s2->challenge,s->s2->challenge_length);
+		MD5_Update(&ctx,s->s2->conn_id,s->s2->conn_id_length);
+		MD5_Final(km,&ctx);
+		km+=MD5_DIGEST_LENGTH;
+		}
+	}
+
+void ssl2_return_error(SSL *s, int err)
+	{
+	if (!s->error)
+		{
+		s->error=3;
+		s->error_code=err;
+
+		ssl2_write_error(s);
+		}
+	}
+
+
+void ssl2_write_error(SSL *s)
+	{
+	unsigned char buf[3];
+	int i,error;
+
+	buf[0]=SSL2_MT_ERROR;
+	buf[1]=(s->error_code>>8)&0xff;
+	buf[2]=(s->error_code)&0xff;
+
+/*	state=s->rwstate;*/
+	error=s->error;
+	s->error=0;
+	i=ssl2_write(s,&(buf[3-error]),error);
+/*	if (i == error) s->rwstate=state; */
+
+	if (i < 0)
+		s->error=error;
+	else if (i != s->error)
+		s->error=error-i;
+	/* else
+		s->error=0; */
+	}
+
+int ssl2_shutdown(SSL *s)
+	{
+	s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
+	return(1);
+	}
+#endif