From 12010ad7256903efd50a7abb420e1427d05e7261 Mon Sep 17 00:00:00 2001
From: Assar Westerlund <assar@sics.se>
Date: Tue, 12 Aug 1997 15:54:24 +0000
Subject: [PATCH] new file

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@2955 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/krb5/sock_principal.c | 68 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 lib/krb5/sock_principal.c

diff --git a/lib/krb5/sock_principal.c b/lib/krb5/sock_principal.c
new file mode 100644
index 000000000..fa7ff16d1
--- /dev/null
+++ b/lib/krb5/sock_principal.c
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 1997 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * 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 acknowledgement: 
+ *      This product includes software developed by Kungliga Tekniska 
+ *      Högskolan and its contributors. 
+ *
+ * 4. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE 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. 
+ */
+
+#include "krb5_locl.h"
+
+RCSID("$Id$");
+			
+krb5_error_code
+krb5_sock_to_principal (krb5_context context,
+			int sock,
+			const char *sname,
+			int32_t type,
+			krb5_principal *ret_princ)
+{
+    krb5_error_code ret;
+    struct sockaddr_in addr;
+    int len = sizeof(addr);
+    struct hostent *hostent;
+
+    if (getsockname (sock, (struct sockaddr *)&addr, &len) < 0)
+	return errno;
+    
+    hostent = gethostbyaddr (&addr.sin_addr,
+			     sizeof(addr.sin_addr),
+			     addr.sin_family);
+    if (hostent == NULL)
+	return h_errno;
+    return krb5_sname_to_principal (context,
+				    hostent->h_name,
+				    sname,
+				    type,
+				    ret_princ);
+}