From owner-svn-src-all@FreeBSD.ORG Wed May 14 18:23:58 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 22FB8BEB; Wed, 14 May 2014 18:23:58 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::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 E9B572BAB; Wed, 14 May 2014 18:23:57 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.8/8.14.8) with ESMTP id s4EINvpT075071; Wed, 14 May 2014 18:23:57 GMT (envelope-from tuexen@svn.freebsd.org) Received: (from tuexen@localhost) by svn.freebsd.org (8.14.8/8.14.8/Submit) id s4EINv1S075070; Wed, 14 May 2014 18:23:57 GMT (envelope-from tuexen@svn.freebsd.org) Message-Id: <201405141823.s4EINv1S075070@svn.freebsd.org> From: Michael Tuexen Date: Wed, 14 May 2014 18:23:57 +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: r266069 - stable/9/lib/libc/net X-SVN-Group: stable-9 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 May 2014 18:23:58 -0000 Author: tuexen Date: Wed May 14 18:23:57 2014 New Revision: 266069 URL: http://svnweb.freebsd.org/changeset/base/266069 Log: MFC r260257: Fix several bugs in sctp_bindx(): * Set errno to EAFNOSUPPORT if an address is provided which is neither AF_INET nor AF_INET6. * Don't modify the arguments. * Don't smash the stack when provided with a non-zero port. * Handle the case correctly where the first address provided is an IPv6 address. Modified: stable/9/lib/libc/net/sctp_sys_calls.c Directory Properties: stable/9/lib/ (props changed) stable/9/lib/libc/ (props changed) Modified: stable/9/lib/libc/net/sctp_sys_calls.c ============================================================================== --- stable/9/lib/libc/net/sctp_sys_calls.c Wed May 14 18:22:11 2014 (r266068) +++ stable/9/lib/libc/net/sctp_sys_calls.c Wed May 14 18:23:57 2014 (r266069) @@ -233,19 +233,11 @@ sctp_bindx(int sd, struct sockaddr *addr break; default: /* Invalid address family specified. */ - errno = EINVAL; + errno = EAFNOSUPPORT; return (-1); } sa = (struct sockaddr *)((caddr_t)sa + sa->sa_len); } - /* - * Now if there was a port mentioned, assure that the first address - * has that port to make sure it fails or succeeds correctly. - */ - if (sport) { - sin = (struct sockaddr_in *)sa; - sin->sin_port = sport; - } argsz = sizeof(struct sctp_getaddresses) + sizeof(struct sockaddr_storage); if ((gaddrs = (struct sctp_getaddresses *)malloc(argsz)) == NULL) { @@ -257,6 +249,23 @@ sctp_bindx(int sd, struct sockaddr *addr memset(gaddrs, 0, argsz); gaddrs->sget_assoc_id = 0; memcpy(gaddrs->addr, sa, sa->sa_len); + /* + * Now, if there was a port mentioned, assure that the first + * address has that port to make sure it fails or succeeds + * correctly. + */ + if ((i == 0) && (sport != 0)) { + switch (gaddrs->addr->sa_family) { + case AF_INET: + sin = (struct sockaddr_in *)gaddrs->addr; + sin->sin_port = sport; + break; + case AF_INET6: + sin6 = (struct sockaddr_in6 *)gaddrs->addr; + sin6->sin6_port = sport; + break; + } + } if (setsockopt(sd, IPPROTO_SCTP, flags, gaddrs, (socklen_t) argsz) != 0) { free(gaddrs);