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authorkris <kris@FreeBSD.org>2000-04-13 06:33:22 +0000
committerkris <kris@FreeBSD.org>2000-04-13 06:33:22 +0000
commit54c77f990d8a5f46f1d18b67cddb279f49176146 (patch)
tree85b9c007d5ac1d91a3895eef3fd18d6114b62cc4 /crypto/openssl/crypto/rand/rand_egd.c
parent7e4e44947b1aa16034c99654c268dc92300be719 (diff)
downloadFreeBSD-src-54c77f990d8a5f46f1d18b67cddb279f49176146.zip
FreeBSD-src-54c77f990d8a5f46f1d18b67cddb279f49176146.tar.gz
Initial import of OpenSSL 0.9.5a
Diffstat (limited to 'crypto/openssl/crypto/rand/rand_egd.c')
-rw-r--r--crypto/openssl/crypto/rand/rand_egd.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/crypto/openssl/crypto/rand/rand_egd.c b/crypto/openssl/crypto/rand/rand_egd.c
new file mode 100644
index 0000000..380c782
--- /dev/null
+++ b/crypto/openssl/crypto/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
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