PR/42237 CVS commit: src/usr.bin/less/less

["David A. Holland" <dholland%netbsd.org@localhost>]

The following reply was made to PR misc/42237; it has been noted by GNATS.

From: "David A. Holland" <dholland%netbsd.org@localhost>
To: gnats-bugs%gnats.NetBSD.org@localhost
Cc: 
Subject: PR/42237 CVS commit: src/usr.bin/less/less
Date: Mon, 14 Dec 2009 03:58:27 +0000

 Module Name:   src
 Committed By:  dholland
 Date:          Mon Dec 14 03:58:27 UTC 2009
 
 Modified Files:
        src/usr.bin/less/less: cmdbuf.c
 
 Log Message:
 Don't attempt to read or write ~/.lesshst if it's not a regular file
 or a symlink to a regular file. Previously, symlinking to /dev/null
 would cause less to trash /dev/null if run with sufficient privileges,
 as seen in PR misc/42237.
 
 While the official way to disable .lesshst is to set an environment
 variable, that is problematic in some cases, such as single-user mode.
 A safer way to prevent even an unpatched less from writing anything
 out is to mkdir ~/.lesshst.
 
 
 To generate a diff of this commit:
 cvs rdiff -u -r1.7 -r1.8 src/usr.bin/less/less/cmdbuf.c
 
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.