Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 173 insertions, 0 deletions

diff --git a/nx-X11/lib/Xau/AuGetBest.c b/nx-X11/lib/Xau/AuGetBest.c
new file mode 100644
index 000000000..5ff1c7cd3
--- /dev/null
+++ b/nx-X11/lib/Xau/AuGetBest.c
@@ -0,0 +1,173 @@
+/* $Xorg: AuGetBest.c,v 1.4 2001/02/09 02:03:42 xorgcvs Exp $ */
+
+/*
+
+Copyright 1988, 1998  The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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
+OPEN GROUP 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 Open Group 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 Open Group.
+
+*/
+/* $XFree86: xc/lib/Xau/AuGetBest.c,v 1.7 2001/12/14 19:54:36 dawes Exp $ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include <X11/Xauth.h>
+#include <X11/Xos.h>
+#ifdef XTHREADS
+#include <X11/Xthreads.h>
+#endif
+#ifdef hpux
+#define X_INCLUDE_NETDB_H
+#define XOS_USE_NO_LOCKING
+#include <X11/Xos_r.h>
+#endif
+
+static int
+binaryEqual (_Xconst char *a, _Xconst char *b, int len)
+{
+    while (len--)
+	if (*a++ != *b++)
+	    return 0;
+    return 1;
+}
+
+Xauth *
+XauGetBestAuthByAddr (
+#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,
+    int			types_length,
+    char**		types,
+    _Xconst int*	type_lengths)
+{
+    FILE    *auth_file;
+    char    *auth_name;
+    Xauth   *entry;
+    Xauth   *best;
+    int	    best_type;
+    int	    type;
+#ifdef hpux
+    char		*fully_qual_address;
+    unsigned short	fully_qual_address_length;
+#endif
+
+    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;
+
+#ifdef hpux
+    if (family == FamilyLocal) {
+#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
+	_Xgethostbynameparams hparams;
+#endif
+	struct hostent *hostp;
+
+	/* make sure we try fully-qualified hostname */
+	if ((hostp = _XGethostbyname(address,hparams)) != NULL) {
+	    fully_qual_address = hostp->h_name;
+	    fully_qual_address_length = strlen(fully_qual_address);
+	}
+	else
+	{
+	    fully_qual_address = NULL;
+	    fully_qual_address_length = 0;
+	}
+    }
+#endif /* hpux */
+
+    best = 0;
+    best_type = types_length;
+    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
+	 *     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))
+#ifdef hpux
+	     || (family == FamilyLocal &&
+		fully_qual_address_length == entry->address_length &&
+	     	binaryEqual (entry->address, fully_qual_address,
+		    (int) fully_qual_address_length))
+#endif
+	    ))) &&
+	    (number_length == 0 || entry->number_length == 0 ||
+	     (number_length == entry->number_length &&
+	      binaryEqual (entry->number, number, (int)number_length))))
+	{
+	    if (best_type == 0)
+	    {
+		best = entry;
+		break;
+	    }
+	    for (type = 0; type < best_type; type++)
+		if (type_lengths[type] == entry->name_length &&
+		    !(strncmp (types[type], entry->name, entry->name_length)))
+		{
+		    break;
+		}
+	    if (type < best_type)
+	    {
+		if (best)
+		    XauDisposeAuth (best);
+		best = entry;
+		best_type = type;
+		if (type == 0)
+		    break;
+		continue;
+	    }
+	}
+	XauDisposeAuth (entry);
+    }
+    (void) fclose (auth_file);
+    return best;
+}