Delete bundled copy of OpenSSL and replace with README.

openssl/ssl/s2_lib.c

Index: openssl/ssl/s2_lib.c
diff --git a/openssl/ssl/s2_lib.c b/openssl/ssl/s2_lib.c
deleted file mode 100644
index 99146041091087eb2757c316b773be8fc3725c88..0000000000000000000000000000000000000000
--- a/openssl/ssl/s2_lib.c
+++ /dev/null
@@ -1,556 +0,0 @@
-/* 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.]
- */
-/* ====================================================================
- * 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).
- *
- */
-
-#include "ssl_locl.h"
-#ifndef OPENSSL_NO_SSL2
-#include <stdio.h>
-#include <openssl/objects.h>
-#include <openssl/evp.h>
-#include <openssl/md5.h>
-
-const char ssl2_version_str[]="SSLv2" OPENSSL_VERSION_PTEXT;
-
-#define SSL2_NUM_CIPHERS (sizeof(ssl2_ciphers)/sizeof(SSL_CIPHER))
-
-/* list of available SSLv2 ciphers (sorted by id) */
-OPENSSL_GLOBAL const SSL_CIPHER ssl2_ciphers[]={
-#if 0
-/* NULL_WITH_MD5 v3 */
-	{
-	1,
-	SSL2_TXT_NULL_WITH_MD5,
-	SSL2_CK_NULL_WITH_MD5,
-	SSL_kRSA,
-	SSL_aRSA,
-	SSL_eNULL,
-	SSL_MD5,
-	SSL_SSLV2,
-	SSL_EXPORT|SSL_EXP40|SSL_STRONG_NONE,
-	0,
-	0,
-	0,
-	},
-#endif
-
-/* 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_SSLV2,
-	SSL_NOT_EXP|SSL_MEDIUM,
-	0,
-	128,
-	128,
-	},
-
-/* 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_SSLV2,
-	SSL_EXPORT|SSL_EXP40,
-	SSL2_CF_5_BYTE_ENC,
-	40,
-	128,
-	},
-
-/* 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_SSLV2,
-	SSL_NOT_EXP|SSL_MEDIUM,
-	0,
-	128,
-	128,
-	},
-
-/* 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_SSLV2,
-	SSL_EXPORT|SSL_EXP40,
-	SSL2_CF_5_BYTE_ENC,
-	40,
-	128,
-	},
-
-#ifndef OPENSSL_NO_IDEA
-/* 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_SSLV2,
-	SSL_NOT_EXP|SSL_MEDIUM,
-	0,
-	128,
-	128,
-	},
-#endif
-
-/* 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_SSLV2,
-	SSL_NOT_EXP|SSL_LOW,
-	0,
-	56,
-	56,
-	},
-
-/* 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_SSLV2,
-	SSL_NOT_EXP|SSL_HIGH,
-	0,
-	168,
-	168,
-	},
-
-#if 0
-/* RC4_64_WITH_MD5 */
-	{
-	1,
-	SSL2_TXT_RC4_64_WITH_MD5,
-	SSL2_CK_RC4_64_WITH_MD5,
-	SSL_kRSA,
-	SSL_aRSA,
-	SSL_RC4,
-	SSL_MD5,
-	SSL_SSLV2,
-	SSL_NOT_EXP|SSL_LOW,
-	SSL2_CF_8_BYTE_ENC,
-	64,
-	64,
-	},
-#endif
-
-#if 0
-/* NULL SSLeay (testing) */
-	{	
-	0,
-	SSL2_TXT_NULL,
-	SSL2_CK_NULL,
-	0,
-	0,
-	0,
-	0,
-	SSL_SSLV2,
-	SSL_STRONG_NONE,
-	0,
-	0,
-	0,
-	},
-#endif
-
-/* end of list :-) */
-	};
-
-long ssl2_default_timeout(void)
-	{
-	return(300);
-	}
-
-int ssl2_num_ciphers(void)
-	{
-	return(SSL2_NUM_CIPHERS);
-	}
-
-const 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(const SSL *s)
-	{
-	return SSL_in_init(s) ? 0 : s->s2->ract_data_length;
-	}
-
-int ssl2_new(SSL *s)
-	{
-	SSL2_STATE *s2;
-
-	if ((s2=OPENSSL_malloc(sizeof *s2)) == NULL) goto err;
-	memset(s2,0,sizeof *s2);
-
-#if SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER + 3 > SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER + 2
-#  error "assertion failed"
-#endif
-
-	if ((s2->rbuf=OPENSSL_malloc(
-		SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER+2)) == NULL) goto err;
-	/* wbuf needs one byte more because when using two-byte headers,
-	 * we leave the first byte unused in do_ssl_write (s2_pkt.c) */
-	if ((s2->wbuf=OPENSSL_malloc(
-		SSL2_MAX_RECORD_LENGTH_2_BYTE_HEADER+3)) == NULL) goto err;
-	s->s2=s2;
-
-	ssl2_clear(s);
-	return(1);
-err:
-	if (s2 != NULL)
-		{
-		if (s2->wbuf != NULL) OPENSSL_free(s2->wbuf);
-		if (s2->rbuf != NULL) OPENSSL_free(s2->rbuf);
-		OPENSSL_free(s2);
-		}
-	return(0);
-	}
-
-void ssl2_free(SSL *s)
-	{
-	SSL2_STATE *s2;
-
-	if(s == NULL)
-	    return;
-
-	s2=s->s2;
-	if (s2->rbuf != NULL) OPENSSL_free(s2->rbuf);
-	if (s2->wbuf != NULL) OPENSSL_free(s2->wbuf);
-	OPENSSL_cleanse(s2,sizeof *s2);
-	OPENSSL_free(s2);
-	s->s2=NULL;
-	}
-
-void ssl2_clear(SSL *s)
-	{
-	SSL2_STATE *s2;
-	unsigned char *rbuf,*wbuf;
-
-	s2=s->s2;
-
-	rbuf=s2->rbuf;
-	wbuf=s2->wbuf;
-
-	memset(s2,0,sizeof *s2);
-
-	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, void *parg)
-	{
-	int ret=0;
-
-	switch(cmd)
-		{
-	case SSL_CTRL_GET_SESSION_REUSED:
-		ret=s->hit;
-		break;
-	default:
-		break;
-		}
-	return(ret);
-	}
-
-long ssl2_callback_ctrl(SSL *s, int cmd, void (*fp)(void))
-	{
-	return(0);
-	}
-
-long ssl2_ctx_ctrl(SSL_CTX *ctx, int cmd, long larg, void *parg)
-	{
-	return(0);
-	}
-
-long ssl2_ctx_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)(void))
-	{
-	return(0);
-	}
-
-/* This function needs to check if the ciphers required are actually
- * available */
-const SSL_CIPHER *ssl2_get_cipher_by_char(const unsigned char *p)
-	{
-	SSL_CIPHER c;
-	const SSL_CIPHER *cp;
-	unsigned long id;
-
-	id=0x02000000L|((unsigned long)p[0]<<16L)|
-		((unsigned long)p[1]<<8L)|(unsigned long)p[2];
-	c.id=id;
-	cp = OBJ_bsearch_ssl_cipher_id(&c, ssl2_ciphers, SSL2_NUM_CIPHERS);
-	if ((cp == NULL) || (cp->valid == 0))
-		return NULL;
-	else
-		return cp;
-	}
-
-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);
-	}
-
-int ssl2_generate_key_material(SSL *s)
-	{
-	unsigned int i;
-	EVP_MD_CTX ctx;
-	unsigned char *km;
-	unsigned char c='0';
-	const EVP_MD *md5;
-	int md_size;
-
-	md5 = EVP_md5();
-
-#ifdef CHARSET_EBCDIC
-	c = os_toascii['0']; /* Must be an ASCII '0', not EBCDIC '0',
-				see SSLv2 docu */
-#endif
-	EVP_MD_CTX_init(&ctx);
-	km=s->s2->key_material;
-
- 	if (s->session->master_key_length < 0 ||
-			s->session->master_key_length > (int)sizeof(s->session->master_key))
- 		{
- 		SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, ERR_R_INTERNAL_ERROR);
- 		return 0;
- 		}
-	md_size = EVP_MD_size(md5);
-	if (md_size < 0)
-	    return 0;
-	for (i=0; i<s->s2->key_material_length; i += md_size)
-		{
-		if (((km - s->s2->key_material) + md_size) >
-				(int)sizeof(s->s2->key_material))
-			{
-			/* EVP_DigestFinal_ex() below would write beyond buffer */
-			SSLerr(SSL_F_SSL2_GENERATE_KEY_MATERIAL, ERR_R_INTERNAL_ERROR);
-			return 0;
-			}
-
-		EVP_DigestInit_ex(&ctx, md5, NULL);
-
-		OPENSSL_assert(s->session->master_key_length >= 0
-		    && s->session->master_key_length
-		    < (int)sizeof(s->session->master_key));
-		EVP_DigestUpdate(&ctx,s->session->master_key,s->session->master_key_length);
-		EVP_DigestUpdate(&ctx,&c,1);
-		c++;
-		EVP_DigestUpdate(&ctx,s->s2->challenge,s->s2->challenge_length);
-		EVP_DigestUpdate(&ctx,s->s2->conn_id,s->s2->conn_id_length);
-		EVP_DigestFinal_ex(&ctx,km,NULL);
-		km += md_size;
-		}
-
-	EVP_MD_CTX_cleanup(&ctx);
-	return 1;
-	}
-
-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; /* number of bytes left to write */
-	s->error=0;
-	OPENSSL_assert(error >= 0 && error <= (int)sizeof(buf));
-	i=ssl2_write(s,&(buf[3-error]),error);
-
-/*	if (i == error) s->rwstate=state; */
-
-	if (i < 0)
-		s->error=error;
-	else
-		{
-		s->error=error-i;
-
-		if (s->error == 0)
-			if (s->msg_callback)
-				s->msg_callback(1, s->version, 0, buf, 3, s, s->msg_callback_arg); /* ERROR */
-		}
-	}
-
-int ssl2_shutdown(SSL *s)
-	{
-	s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
-	return(1);
-	}
-#else /* !OPENSSL_NO_SSL2 */
-
-# if PEDANTIC
-static void *dummy=&dummy;
-# endif
-
-#endif