From owner-svn-src-stable@freebsd.org Sat Dec 26 18:38:11 2015 Return-Path: Delivered-To: svn-src-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1D875A53EF6; Sat, 26 Dec 2015 18:38:11 +0000 (UTC) (envelope-from pfg@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id E2E701BEE; Sat, 26 Dec 2015 18:38:10 +0000 (UTC) (envelope-from pfg@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id tBQIcAbS025666; Sat, 26 Dec 2015 18:38:10 GMT (envelope-from pfg@FreeBSD.org) Received: (from pfg@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id tBQIcAeM025665; Sat, 26 Dec 2015 18:38:10 GMT (envelope-from pfg@FreeBSD.org) Message-Id: <201512261838.tBQIcAeM025665@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: pfg set sender to pfg@FreeBSD.org using -f From: "Pedro F. Giffuni" Date: Sat, 26 Dec 2015 18:38:10 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r292755 - stable/9/bin/ed X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-stable@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: SVN commit messages for all the -stable branches of the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 26 Dec 2015 18:38:11 -0000 Author: pfg Date: Sat Dec 26 18:38:09 2015 New Revision: 292755 URL: https://svnweb.freebsd.org/changeset/base/292755 Log: MFC r292454, r292455 ed(1): Prevent possible string overflows Use strlcpy to guarantee NULL termination. With hint from: imp, cem, ngie CID: 1007252 Modified: stable/9/bin/ed/main.c Directory Properties: stable/9/bin/ed/ (props changed) Modified: stable/9/bin/ed/main.c ============================================================================== --- stable/9/bin/ed/main.c Sat Dec 26 18:37:01 2015 (r292754) +++ stable/9/bin/ed/main.c Sat Dec 26 18:38:09 2015 (r292755) @@ -504,7 +504,8 @@ exec_command(void) return ERR; else if (open_sbuf() < 0) return FATAL; - if (*fnp && *fnp != '!') strcpy(old_filename, fnp); + if (*fnp && *fnp != '!') + strlcpy(old_filename, fnp, PATH_MAX); #ifdef BACKWARDS if (*fnp == '\0' && *old_filename == '\0') { errmsg = "no current filename"; @@ -531,7 +532,8 @@ exec_command(void) return ERR; } GET_COMMAND_SUFFIX(); - if (*fnp) strcpy(old_filename, fnp); + if (*fnp) + strlcpy(old_filename, fnp, PATH_MAX); printf("%s\n", strip_escapes(old_filename)); break; case 'g': @@ -662,7 +664,7 @@ exec_command(void) GET_COMMAND_SUFFIX(); if (!isglobal) clear_undo_stack(); if (*old_filename == '\0' && *fnp != '!') - strcpy(old_filename, fnp); + strlcpy(old_filename, fnp, PATH_MAX); #ifdef BACKWARDS if (*fnp == '\0' && *old_filename == '\0') { errmsg = "no current filename"; @@ -796,7 +798,7 @@ exec_command(void) return ERR; GET_COMMAND_SUFFIX(); if (*old_filename == '\0' && *fnp != '!') - strcpy(old_filename, fnp); + strlcpy(old_filename, fnp, PATH_MAX); #ifdef BACKWARDS if (*fnp == '\0' && *old_filename == '\0') { errmsg = "no current filename";