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-rw-r--r--libXau/AuGetBest.c343
1 files changed, 170 insertions, 173 deletions
diff --git a/libXau/AuGetBest.c b/libXau/AuGetBest.c
index ae2b748dc..7d001526f 100644
--- a/libXau/AuGetBest.c
+++ b/libXau/AuGetBest.c
@@ -1,173 +1,170 @@
-/* $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 NULL;
- if (access (auth_name, R_OK) != 0) /* checks REAL id */
- return NULL;
- auth_file = fopen (auth_name, "rb");
- if (!auth_file)
- return NULL;
-
-#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 = NULL;
- 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;
-}
+/*
+
+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.
+
+*/
+
+#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 NULL;
+ if (access (auth_name, R_OK) != 0) /* checks REAL id */
+ return NULL;
+ auth_file = fopen (auth_name, "rb");
+ if (!auth_file)
+ return NULL;
+
+#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 = NULL;
+ 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;
+}
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