From 232a11a947564762689e63c3a6603d3f956f696d Mon Sep 17 00:00:00 2001
From: Demi Marie Obenour <demiobenour@gmail.com>
Date: Thu, 15 Dec 2022 14:48:13 -0500
Subject: DISPLAY starting with unix: or / is always a socket path

Do not consider anything else in this case.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
---
 Xtrans.c | 48 +++++++++++++++++++++++++-----------------------
 1 file changed, 25 insertions(+), 23 deletions(-)

diff --git a/Xtrans.c b/Xtrans.c
index b2b98a2..12eefe8 100644
--- a/Xtrans.c
+++ b/Xtrans.c
@@ -202,14 +202,36 @@ TRANS(ParseAddress) (const char *address,
      * If a "::" is found then assume DNET.
      */
 
-    char	*mybuf, *tmpptr;
-    const char	*_protocol;
+    char	*mybuf, *tmpptr = NULL;
+    const char	*_protocol = NULL;
     char	*_host, *_port;
     char	hostnamebuf[256];
     int		_host_len;
 
     prmsg (3,"ParseAddress(%s)\n", address);
 
+    /* First, check for AF_UNIX socket paths */
+    if (address[0] == '/') {
+        _protocol = "local";
+        _host = "";
+        _port = address;
+    } else
+#ifdef HAVE_LAUNCHD
+    /* launchd sockets will look like 'local//tmp/launch-XgkNns/:0' */
+    if(!strncmp(address,"local//",7)) {
+        _protocol="local";
+        _host="";
+        _port=address+6;
+    } else
+#endif
+    if (!strncmp(address, "unix:", 5)) {
+        _protocol = "local";
+        _host = "";
+        _port = address + 5;
+    }
+    if (_protocol)
+        goto done_parsing;
+
     /* Copy the string so it can be changed */
 
     tmpptr = mybuf = strdup (address);
@@ -331,27 +353,7 @@ TRANS(ParseAddress) (const char *address,
      */
 #endif
 
-    if (address != NULL) {
-        if (address[0] == '/') {
-            _protocol = "local";
-            _host = "";
-            _port = address;
-        } else
-#ifdef HAVE_LAUNCHD
-        /* launchd sockets will look like 'local//tmp/launch-XgkNns/:0' */
-        if(!strncmp(address,"local//",7)) {
-            _protocol="local";
-            _host="";
-            _port=address+6;
-        } else
-#endif
-        if (!strncmp(address, "unix:", 5)) {
-            _protocol = "local";
-            _host = "";
-            _port = address + 5;
-        }
-    }
-
+done_parsing:
     /*
      * Now that we have all of the components, allocate new
      * string space for them.
-- 
cgit v1.2.1