1 files changed, 74 insertions, 0 deletions
diff --git a/crypto/heimdal/lib/krb5/sock_principal.c b/crypto/heimdal/lib/krb5/sock_principal.c
new file mode 100644
index 0000000..bfd4eb4
--- /dev/null
+++ b/crypto/heimdal/lib/krb5/sock_principal.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 1997, 1998, 1999 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. 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: sock_principal.c,v 1.9 1999/12/02 17:05:12 joda Exp $");
+			
+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;
+    krb5_address address;
+    struct sockaddr_storage __ss;
+    struct sockaddr *sa = (struct sockaddr *)&__ss;
+    int len = sizeof(__ss);
+    struct hostent *hostent;
+    int family;
+    char hname[256];
+
+    if (getsockname (sock, sa, &len) < 0)
+	return errno;
+    family = sa->sa_family;
+    
+    ret = krb5_sockaddr2address (sa, &address);
+    if (ret)
+	return ret;
+
+    hostent = roken_gethostbyaddr (address.address.data,
+				   address.address.length,
+				   family);
+
+    if (hostent == NULL)
+	return h_errno;
+    strlcpy(hname, hostent->h_name, sizeof(hname));
+    return krb5_sname_to_principal (context,
+				    hname,
+				    sname,
+				    type,
+				    ret_princ);
+}