File bug-262309_xcb-xauthlocalhostname.diff of Package xorg-x11-libxcb-unstable-devel

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File bug-262309_xcb-xauthlocalhostname.diff of Package xorg-x11-libxcb-unstable-devel

diff --git a/src/xcb_auth.c b/src/xcb_auth.c
index ffc0515..9bd9a35 100644
--- a/src/xcb_auth.c
+++ b/src/xcb_auth.c
@@ -89,6 +89,7 @@ static Xauth *get_authptr(struct sockadd
     char dispbuf[40];   /* big enough to hold more than 2^64 base 10 */
     int authnamelens[N_AUTH_PROTOS];
     int i;
+    Xauth *authptr = NULL;
 
     family = FamilyLocal; /* 256 */
     switch(sockname->sa_family)
@@ -128,10 +129,20 @@ static Xauth *get_authptr(struct sockadd
 
     for (i = 0; i < N_AUTH_PROTOS; i++)
 	authnamelens[i] = strlen(authnames[i]);
-    return XauGetBestAuthByAddr (family,
-                                 (unsigned short) addrlen, addr,
-                                 (unsigned short) strlen(dispbuf), dispbuf,
-                                 N_AUTH_PROTOS, authnames, authnamelens);
+    authptr = XauGetBestAuthByAddr (family,
+                                    (unsigned short) addrlen, addr,
+                                    (unsigned short) strlen(dispbuf), dispbuf,
+                                    N_AUTH_PROTOS, authnames, authnamelens);
+    // && !phostname
+    if ((!authptr || !authptr->data_length) && family == FamilyLocal) {
+	if ( (addr = getenv("XAUTHLOCALHOSTNAME")) ) {
+	    authptr = XauGetBestAuthByAddr (family,
+                                            (unsigned short) strlen(addr), addr,
+                                            (unsigned short) strlen(dispbuf), dispbuf,
+                                            N_AUTH_PROTOS, authnames, authnamelens);
+	}
+    }
+    return authptr;
 }
 
 #ifdef HASXDMAUTH

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File bug-262309_xcb-xauthlocalhostname.diff of Package xorg-x11-libxcb-unstable-devel

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