1 files changed, 110 insertions, 0 deletions

diff --git a/src/lib/libcrypto/rand/rand_egd.c b/src/lib/libcrypto/rand/rand_egd.c
new file mode 100644
index 0000000000..d834408bd4
--- /dev/null
+++ b/src/lib/libcrypto/rand/rand_egd.c
@@ -0,0 +1,110 @@
+/* crypto/rand/rand_egd.c */
+/* Written by Ulf Moeller for the OpenSSL project. */
+/* ====================================================================
+ * Copyright (c) 1998-2000 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 <openssl/rand.h>
+
+/* Query the EGD <URL: http://www.lothar.com/tech/crypto/>.
+ */
+
+#if defined(WIN32) || defined(VMS) || defined(__VMS)
+int RAND_egd(const char *path)
+        {
+        return(-1);
+        }
+#else
+#include <openssl/opensslconf.h>
+#include OPENSSL_UNISTD
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <string.h>
+
+#ifndef offsetof
+#  define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#endif
+
+int RAND_egd(const char *path)
+        {
+        int ret = -1;
+        struct sockaddr_un addr;
+        int len, num;
+        int fd = -1;
+        unsigned char buf[256];
+
+        memset(&addr, 0, sizeof(addr));
+        addr.sun_family = AF_UNIX;
+        if (strlen(path) > sizeof(addr.sun_path))
+                return (-1);
+        strcpy(addr.sun_path,path);
+        len = offsetof(struct sockaddr_un, sun_path) + strlen(path);
+        fd = socket(AF_UNIX, SOCK_STREAM, 0);
+        if (fd == -1) return (-1);
+        if (connect(fd, (struct sockaddr *)&addr, len) == -1) goto err;
+        buf[0] = 1;
+        buf[1] = 255;
+        write(fd, buf, 2);
+        if (read(fd, buf, 1) != 1) goto err;
+    if (buf[0] == 0) goto err;
+        num = read(fd, buf, 255);
+        if (num < 1) goto err;
+        RAND_seed(buf, num);
+        if (RAND_status() == 1)
+                ret = num;
+ err:
+        if (fd != -1) close(fd);
+        return(ret);
+        }
+#endif