Import of old SSLeay release: SSLeay 0.8.1b
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);
+ }
+ }
