Date: Wed, 27 Nov 2013 10:10:25 +0000 (UTC) From: "Alexander V. Chernikov" <melifaro@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r258677 - head/sbin/ipfw Message-ID: <201311271010.rARAAPvD009968@svn.freebsd.org>
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Author: melifaro Date: Wed Nov 27 10:10:25 2013 New Revision: 258677 URL: http://svnweb.freebsd.org/changeset/base/258677 Log: Fix key lookup in ipfw(8) broken since r232865. Print warning for IPv4 address strings which are valid in inet_aton() but not valid in inet_pton(). (1) Found by: Özkan KIRIK <ozkan.kirik@gmail.com> Submitted by: Ian Smith <smithi@nimnet.asn.au> (1) MFC after: 2 weeks Sponsored by: Yandex LLC Modified: head/sbin/ipfw/ipfw2.c Modified: head/sbin/ipfw/ipfw2.c ============================================================================== --- head/sbin/ipfw/ipfw2.c Wed Nov 27 08:39:48 2013 (r258676) +++ head/sbin/ipfw/ipfw2.c Wed Nov 27 10:10:25 2013 (r258677) @@ -4274,13 +4274,24 @@ table_fill_xentry(char *arg, ipfw_table_ addrlen = sizeof(struct in6_addr); } else { /* Port or any other key */ - key = strtol(arg, &p, 10); /* Skip non-base 10 entries like 'fa1' */ - if (p != arg) { + key = strtol(arg, &p, 10); + if (*p == '\0') { pkey = (uint32_t *)paddr; *pkey = htonl(key); type = IPFW_TABLE_CIDR; + masklen = 32; addrlen = sizeof(uint32_t); + } else if ((p != arg) && (*p == '.')) { + /* + * Warn on IPv4 address strings + * which are "valid" for inet_aton() but not + * in inet_pton(). + * + * Typical examples: '10.5' or '10.0.0.05' + */ + errx(EX_DATAERR, + "Invalid IPv4 address: %s", arg); } } }
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