X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=Xserver%2Flib%2FXau%2FAuGetAddr.c;fp=Xserver%2Flib%2FXau%2FAuGetAddr.c;h=ae0ad531d0c59d43d734e55fc71423c9e72db69f;hb=b6e6afccf37f4ad0515ef2a698f714fdf1bf23b3;hp=0000000000000000000000000000000000000000;hpb=e3340a110a3b01756b8e67531395a33b40a17d37;p=rdpsrv

diff --git a/Xserver/lib/Xau/AuGetAddr.c b/Xserver/lib/Xau/AuGetAddr.c
new file mode 100644
index 0000000..ae0ad53
--- /dev/null
+++ b/Xserver/lib/Xau/AuGetAddr.c
@@ -0,0 +1,127 @@
+/* $XConsortium: AuGetAddr.c,v 1.13 94/04/17 20:15:43 rws Exp $ */
+
+/*
+
+Copyright (c) 1988  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from the X Consortium.
+
+*/
+
+#include <X11/Xauth.h>
+#include <X11/Xos.h>
+
+static
+binaryEqual (a, b, len)
+register char	*a, *b;
+register int	len;
+{
+    while (len--)
+	if (*a++ != *b++)
+	    return 0;
+    return 1;
+}
+
+#if NeedFunctionPrototypes
+Xauth *
+XauGetAuthByAddr (
+#if NeedWidePrototypes
+unsigned int	family,
+unsigned int	address_length,
+#else
+unsigned short	family,
+unsigned short	address_length,
+#endif
+_Xconst char*	address,
+#if NeedWidePrototypes
+unsigned int	number_length,
+#else
+unsigned short	number_length,
+#endif
+_Xconst char*	number,
+#if NeedWidePrototypes
+unsigned int	name_length,
+#else
+unsigned short	name_length,
+#endif
+_Xconst char*	name)
+#else
+Xauth *
+XauGetAuthByAddr (family, address_length, address,
+			  number_length, number,
+			  name_length, name)
+unsigned short	family;
+unsigned short	address_length;
+char	*address;
+unsigned short	number_length;
+char	*number;
+unsigned short	name_length;
+char	*name;
+#endif
+{
+    FILE    *auth_file;
+    char    *auth_name;
+    Xauth   *entry;
+
+    auth_name = XauFileName ();
+    if (!auth_name)
+	return 0;
+    if (access (auth_name, R_OK) != 0)		/* checks REAL id */
+	return 0;
+    auth_file = fopen (auth_name, "rb");
+    if (!auth_file)
+	return 0;
+    for (;;) {
+	entry = XauReadAuth (auth_file);
+	if (!entry)
+	    break;
+	/*
+	 * Match when:
+	 *   either family or entry->family are FamilyWild or
+	 *    family and entry->family are the same
+	 *  and
+	 *   either address or entry->address are empty or
+	 *    address and entry->address are the same
+	 *  and
+	 *   either number or entry->number are empty or
+	 *    number and entry->number are the same
+	 *  and
+	 *   either name or entry->name are empty or
+	 *    name and entry->name are the same
+	 */
+
+	if ((family == FamilyWild || entry->family == FamilyWild ||
+	     (entry->family == family &&
+	      address_length == entry->address_length &&
+	      binaryEqual (entry->address, address, (int)address_length))) &&
+	    (number_length == 0 || entry->number_length == 0 ||
+	     (number_length == entry->number_length &&
+	      binaryEqual (entry->number, number, (int)number_length))) &&
+	    (name_length == 0 || entry->name_length == 0 ||
+	     (entry->name_length == name_length &&
+ 	      binaryEqual (entry->name, name, (int)name_length))))
+	    break;
+	XauDisposeAuth (entry);
+    }
+    (void) fclose (auth_file);
+    return entry;
+}