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Date:      Thu, 28 Apr 2016 01:40:47 +0000 (UTC)
From:      Jamie Gritton <jamie@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject:   svn commit: r298729 - stable/10/usr.sbin/jail
Message-ID:  <201604280140.u3S1elDp022029@repo.freebsd.org>

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Author: jamie
Date: Thu Apr 28 01:40:47 2016
New Revision: 298729
URL: https://svnweb.freebsd.org/changeset/base/298729

Log:
  MFC r298562:
  
    Make jail(8) interpret escape codes in fstab the same as getfsent(3).
  
  PR:		208663

Modified:
  stable/10/usr.sbin/jail/command.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/usr.sbin/jail/command.c
==============================================================================
--- stable/10/usr.sbin/jail/command.c	Thu Apr 28 01:31:07 2016	(r298728)
+++ stable/10/usr.sbin/jail/command.c	Thu Apr 28 01:40:47 2016	(r298729)
@@ -47,6 +47,7 @@ __FBSDID("$FreeBSD$");
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <vis.h>
 
 #include "jailp.h"
 
@@ -445,8 +446,14 @@ run_command(struct cfjail *j)
 		strcpy(comcs, comstring->s);
 		argc = 0;
 		for (cs = strtok(comcs, " \t\f\v\r\n"); cs && argc < 4;
-		     cs = strtok(NULL, " \t\f\v\r\n"))
+		     cs = strtok(NULL, " \t\f\v\r\n")) {
+			if (argc <= 1 && strunvis(cs, cs) < 0) {
+				jail_warnx(j, "%s: %s: fstab parse error",
+				    j->intparams[comparam]->name, comstring->s);
+				return -1;
+			}
 			argv[argc++] = cs;
+		}
 		if (argc == 0)
 			return 0;
 		if (argc < 3) {



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