Patch against a bug which is a local root vulnerability on other platforms,

but which I could not repeat on FreeBSD.  It may still be a problem, but
it looks like screen was already dropping privilege before the operation
in question.

Submitted by:	Roman Drahtmueller <draht@suse.de>

misc/screen/Makefile

@@ -7,6 +7,7 @@
 
 PORTNAME=	screen
 PORTVERSION=    3.9.9
+PORTREVISION=	1
 CATEGORIES=	misc
 MASTER_SITES=	ftp://ftp.uni-erlangen.de/pub/utilities/screen/ \
 		${MASTER_SITE_GNU}

misc/screen/files/patch-sec1

@@ -0,0 +1,13 @@
+--- screen.c.orig	Fri May 25 16:40:10 2001
++++ screen.c	Mon Sep  3 15:48:24 2001
+@@ -1061,6 +1061,10 @@
+ 	  Attacher();
+ 	  /* NOTREACHED */
+ 	}
++#ifdef MULTIUSER
++      if (multiattach)
++	Panic(0, "Can't create sessions of other users.");
++#endif 
+       debug("screen -r: backend not responding -- still crying\n");
+     }
+   else if (dflag && !mflag)

sysutils/screen/Makefile

@@ -7,6 +7,7 @@
 
 PORTNAME=	screen
 PORTVERSION=    3.9.9
+PORTREVISION=	1
 CATEGORIES=	misc
 MASTER_SITES=	ftp://ftp.uni-erlangen.de/pub/utilities/screen/ \
 		${MASTER_SITE_GNU}

sysutils/screen/files/patch-sec1

@@ -0,0 +1,13 @@
+--- screen.c.orig	Fri May 25 16:40:10 2001
++++ screen.c	Mon Sep  3 15:48:24 2001
+@@ -1061,6 +1061,10 @@
+ 	  Attacher();
+ 	  /* NOTREACHED */
+ 	}
++#ifdef MULTIUSER
++      if (multiattach)
++	Panic(0, "Can't create sessions of other users.");
++#endif 
+       debug("screen -r: backend not responding -- still crying\n");
+     }
+   else if (dflag && !mflag)