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

infringement reasons.

1 files changed, 179 insertions, 0 deletions

diff --git a/crypto/openssl/crypto/rand/randfile.c b/crypto/openssl/crypto/rand/randfile.c
new file mode 100644
index 0000000..6829d4e
--- /dev/null
+++ b/crypto/openssl/crypto/rand/randfile.c
@@ -0,0 +1,179 @@
+/* crypto/rand/randfile.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 <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+
+#include "openssl/e_os.h"
+
+#include <openssl/rand.h>
+
+#undef BUFSIZE
+#define BUFSIZE	1024
+#define RAND_DATA 1024
+
+/* #define RFILE ".rand" - defined in ../../e_os.h */
+
+int RAND_load_file(const char *file, long bytes)
+	{
+	MS_STATIC unsigned char buf[BUFSIZE];
+	struct stat sb;
+	int i,ret=0,n;
+	FILE *in;
+
+	if (file == NULL) return(0);
+
+	i=stat(file,&sb);
+	/* If the state fails, put some crap in anyway */
+	RAND_seed(&sb,sizeof(sb));
+	ret+=sizeof(sb);
+	if (i < 0) return(0);
+	if (bytes <= 0) return(ret);
+
+	in=fopen(file,"rb");
+	if (in == NULL) goto err;
+	for (;;)
+		{
+		n=(bytes < BUFSIZE)?(int)bytes:BUFSIZE;
+		i=fread(buf,1,n,in);
+		if (i <= 0) break;
+		/* even if n != i, use the full array */
+		RAND_seed(buf,n);
+		ret+=i;
+		bytes-=n;
+		if (bytes <= 0) break;
+		}
+	fclose(in);
+	memset(buf,0,BUFSIZE);
+err:
+	return(ret);
+	}
+
+int RAND_write_file(const char *file)
+	{
+	unsigned char buf[BUFSIZE];
+	int i,ret=0;
+	FILE *out;
+	int n;
+
+	/* Under VMS, fopen(file, "wb") will craete a new version of the
+	   same file.  This is not good, so let's try updating an existing
+	   one, and create file only if it doesn't already exist.  This
+	   should be completely harmless on system that have no file
+	   versions.					-- Richard Levitte */
+	out=fopen(file,"rb+");
+	if (out == NULL && errno == ENOENT)
+		{
+		errno = 0;
+		out=fopen(file,"wb");
+		}
+	if (out == NULL) goto err;
+	chmod(file,0600);
+	n=RAND_DATA;
+	for (;;)
+		{
+		i=(n > BUFSIZE)?BUFSIZE:n;
+		n-=BUFSIZE;
+		RAND_bytes(buf,i);
+		i=fwrite(buf,1,i,out);
+		if (i <= 0)
+			{
+			ret=0;
+			break;
+			}
+		ret+=i;
+		if (n <= 0) break;
+		}
+	fclose(out);
+	memset(buf,0,BUFSIZE);
+err:
+	return(ret);
+	}
+
+char *RAND_file_name(char *buf, int size)
+	{
+	char *s;
+	char *ret=NULL;
+
+	s=getenv("RANDFILE");
+	if (s != NULL)
+		{
+		strncpy(buf,s,size-1);
+		buf[size-1]='\0';
+		ret=buf;
+		}
+	else
+		{
+		s=getenv("HOME");
+		if (s == NULL) return(RFILE);
+		if (((int)(strlen(s)+strlen(RFILE)+2)) > size)
+			return(RFILE);
+		strcpy(buf,s);
+#ifndef VMS
+		strcat(buf,"/");
+#endif
+		strcat(buf,RFILE);
+		ret=buf;
+		}
+	return(ret);
+	}