From owner-svn-src-head@freebsd.org Wed Jan 4 17:33:19 2017 Return-Path: Delivered-To: svn-src-head@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 6F00BC9F95D; Wed, 4 Jan 2017 17:33:19 +0000 (UTC) (envelope-from ngie@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 3B7DF13CB; Wed, 4 Jan 2017 17:33:19 +0000 (UTC) (envelope-from ngie@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id v04HXIlp005985; Wed, 4 Jan 2017 17:33:18 GMT (envelope-from ngie@FreeBSD.org) Received: (from ngie@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id v04HXIaA005984; Wed, 4 Jan 2017 17:33:18 GMT (envelope-from ngie@FreeBSD.org) Message-Id: <201701041733.v04HXIaA005984@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: ngie set sender to ngie@FreeBSD.org using -f From: Ngie Cooper Date: Wed, 4 Jan 2017 17:33:18 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r311290 - head/usr.sbin/bsnmpd/modules/snmp_bridge X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 04 Jan 2017 17:33:19 -0000 Author: ngie Date: Wed Jan 4 17:33:18 2017 New Revision: 311290 URL: https://svnweb.freebsd.org/changeset/base/311290 Log: Use strlcpy instead of strcpy when copying the bridge name to ifr.ifr_name to avoid buffer overflows MFC after: 1 week Reported by: Coverity CID: 1006735, 1006737, 1006738 Modified: head/usr.sbin/bsnmpd/modules/snmp_bridge/bridge_sys.c Modified: head/usr.sbin/bsnmpd/modules/snmp_bridge/bridge_sys.c ============================================================================== --- head/usr.sbin/bsnmpd/modules/snmp_bridge/bridge_sys.c Wed Jan 4 16:36:51 2017 (r311289) +++ head/usr.sbin/bsnmpd/modules/snmp_bridge/bridge_sys.c Wed Jan 4 17:33:18 2017 (r311290) @@ -485,7 +485,7 @@ bridge_set_if_up(const char* b_name, int struct ifreq ifr; bzero(&ifr, sizeof(ifr)); - strcpy(ifr.ifr_name, b_name); + strlcpy(ifr.ifr_name, b_name, sizeof(ifr.ifr_name)); if (ioctl(sock, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) { syslog(LOG_ERR, "set bridge up: ioctl(SIOCGIFFLAGS) " "failed: %s", strerror(errno)); @@ -516,7 +516,7 @@ bridge_create(const char *b_name) struct ifreq ifr; bzero(&ifr, sizeof(ifr)); - strcpy(ifr.ifr_name, b_name); + strlcpy(ifr.ifr_name, b_name, sizeof(ifr.ifr_name)); if (ioctl(sock, SIOCIFCREATE, &ifr) < 0) { syslog(LOG_ERR, "create bridge: ioctl(SIOCIFCREATE) " @@ -549,7 +549,7 @@ bridge_destroy(const char *b_name) struct ifreq ifr; bzero(&ifr, sizeof(ifr)); - strcpy(ifr.ifr_name, b_name); + strlcpy(ifr.ifr_name, b_name, sizeof(ifr.ifr_name)); if (ioctl(sock, SIOCIFDESTROY, &ifr) < 0) { syslog(LOG_ERR, "destroy bridge: ioctl(SIOCIFDESTROY) "