svn commit: r235949 - head/usr.sbin/jail

[Jamie Gritton]

Author: jamie
Date: Fri May 25 00:38:06 2012
New Revision: 235949
URL: http://svn.freebsd.org/changeset/base/235949

Log:
  Don't try to set a null TERM environment.
  
  Submitted by:	Mateusz Guzik <mjguzik gmail.com>

Modified:
  head/usr.sbin/jail/command.c

Modified: head/usr.sbin/jail/command.c
==============================================================================
--- head/usr.sbin/jail/command.c	Fri May 25 00:18:19 2012	(r235948)
+++ head/usr.sbin/jail/command.c	Fri May 25 00:38:06 2012	(r235949)
@@ -584,7 +584,8 @@ run_command(struct cfjail *j)
 			term = getenv("TERM");
 			environ = &cleanenv;
 			setenv("PATH", "/bin:/usr/bin", 0);
-			setenv("TERM", term, 1);
+			if (term != NULL)
+				setenv("TERM", term, 1);
 		}
 		if (setusercontext(lcap, pwd, pwd->pw_uid, username
 		    ? LOGIN_SETALL & ~LOGIN_SETGROUP & ~LOGIN_SETLOGIN