Import of old SSLeay release: SSLeay 0.8.1b

1 files changed, 232 insertions, 0 deletions

diff --git a/ssl/s23_lib.c b/ssl/s23_lib.c
new file mode 100644
index 0000000..ff19adc
--- /dev/null
+++ b/ssl/s23_lib.c
@@ -0,0 +1,232 @@
+/* ssl/s23_lib.c */
+/* Copyright (C) 1995-1997 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 "objects.h"
+#include "ssl_locl.h"
+
+#ifndef NOPROTO
+static int ssl23_num_ciphers(void );
+static SSL_CIPHER *ssl23_get_cipher(unsigned int u);
+static int ssl23_read(SSL *s, char *buf, int len);
+static int ssl23_write(SSL *s, char *buf, int len);
+static long ssl23_default_timeout(void );
+static int ssl23_put_cipher_by_char(SSL_CIPHER *c, unsigned char *p);
+static SSL_CIPHER *ssl23_get_cipher_by_char(unsigned char *p);
+#else
+static int ssl23_num_ciphers();
+static SSL_CIPHER *ssl23_get_cipher();
+static int ssl23_read();
+static int ssl23_write();
+static long ssl23_default_timeout();
+static int ssl23_put_cipher_by_char();
+static SSL_CIPHER *ssl23_get_cipher_by_char();
+#endif
+
+char *SSL23_version_str="SSLv2/3 compatablity part of SSLeay 0.7.0 30-Jan-1997";
+
+static SSL_METHOD SSLv23_data= {
+	3,
+	ssl3_new,
+	ssl3_clear,
+	ssl3_free,
+	ssl_undefined_function,
+	ssl_undefined_function,
+	ssl23_read,
+	ssl_undefined_function,
+	ssl23_write,
+	ssl_undefined_function,
+	ssl_undefined_function,
+	ssl3_ctrl,
+	ssl3_ctx_ctrl,
+	ssl23_get_cipher_by_char,
+	ssl23_put_cipher_by_char,
+	ssl_undefined_function,
+	ssl23_num_ciphers,
+	ssl23_get_cipher,
+	ssl_bad_method,
+	ssl23_default_timeout,
+	};
+
+static long ssl23_default_timeout()
+	{
+	return(300);
+	}
+
+SSL_METHOD *sslv23_base_method()
+	{
+	return(&SSLv23_data);
+	}
+
+static int ssl23_num_ciphers()
+	{
+	return(ssl3_num_ciphers()+ssl2_num_ciphers());
+	}
+
+static SSL_CIPHER *ssl23_get_cipher(u)
+unsigned int u;
+	{
+	unsigned int uu=ssl3_num_ciphers();
+
+	if (u < uu)
+		return(ssl3_get_cipher(u));
+	else
+		return(ssl2_get_cipher(u-uu));
+	}
+
+/* This function needs to check if the ciphers required are actually
+ * available */
+static SSL_CIPHER *ssl23_get_cipher_by_char(p)
+unsigned char *p;
+	{
+	SSL_CIPHER c,*cp;
+	unsigned long id;
+	int n;
+
+	n=ssl3_num_ciphers();
+	id=0x03000000|((unsigned long)p[0]<<16L)|
+		((unsigned long)p[1]<<8L)|(unsigned long)p[2];
+	c.id=id;
+	cp=ssl3_get_cipher_by_char(p);
+	if (cp == NULL)
+		cp=ssl2_get_cipher_by_char(p);
+	return(cp);
+	}
+
+static int ssl23_put_cipher_by_char(c,p)
+SSL_CIPHER *c;
+unsigned char *p;
+	{
+	long l;
+
+	/* We can write SSLv2 and SSLv3 ciphers */
+	if (p != NULL)
+		{
+		l=c->id;
+		p[0]=((unsigned char)(l>>16L))&0xFF;
+		p[1]=((unsigned char)(l>> 8L))&0xFF;
+		p[2]=((unsigned char)(l     ))&0xFF;
+		}
+	return(3);
+	}
+
+static int ssl23_read(s,buf,len)
+SSL *s;
+char *buf;
+int len;
+	{
+	int n;
+
+#if 0
+	if (s->shutdown & SSL_RECEIVED_SHUTDOWN)
+		{
+		s->rwstate=SSL_NOTHING;
+		return(0);
+		}
+#endif
+	errno=0;
+	if (SSL_in_init(s) && (!s->in_handshake))
+		{
+		n=s->handshake_func(s);
+		if (n < 0) return(n);
+		if (n == 0)
+			{
+			SSLerr(SSL_F_SSL23_READ,SSL_R_SSL_HANDSHAKE_FAILURE);
+			return(-1);
+			}
+		return(SSL_read(s,buf,len));
+		}
+	else
+		{
+		ssl_undefined_function(s);
+		return(-1);
+		}
+	}
+
+static int ssl23_write(s,buf,len)
+SSL *s;
+char *buf;
+int len;
+	{
+	int n;
+
+#if 0
+	if (s->shutdown & SSL_SENT_SHUTDOWN)
+		{
+		s->rwstate=SSL_NOTHING;
+		return(0);
+		}
+#endif
+	errno=0;
+	if (SSL_in_init(s) && (!s->in_handshake))
+		{
+		n=s->handshake_func(s);
+		if (n < 0) return(n);
+		if (n == 0)
+			{
+			SSLerr(SSL_F_SSL23_WRITE,SSL_R_SSL_HANDSHAKE_FAILURE);
+			return(-1);
+			}
+		return(SSL_write(s,buf,len));
+		}
+	else
+		{
+		ssl_undefined_function(s);
+		return(-1);
+		}
+	}