Date: Sat, 9 May 2009 05:07:36 +0000 (UTC) From: John Baldwin <jhb@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r191932 - head/sys/netinet Message-ID: <200905090507.n4957aVs012712@svn.freebsd.org>
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Author: jhb Date: Sat May 9 05:07:36 2009 New Revision: 191932 URL: http://svn.freebsd.org/changeset/base/191932 Log: Convert IPFW_DEFAULT_TO_ACCEPT into a loader tunable 'net.inet.ip.fw.default_to_accept'. The current value can also be queried via a read-only sysctl of the same name. Requested by: plosher MFC after: 1 week Modified: head/sys/netinet/ip_fw2.c Modified: head/sys/netinet/ip_fw2.c ============================================================================== --- head/sys/netinet/ip_fw2.c Sat May 9 01:45:55 2009 (r191931) +++ head/sys/netinet/ip_fw2.c Sat May 9 05:07:36 2009 (r191932) @@ -127,6 +127,11 @@ static struct callout ipfw_timeout; static int verbose_limit; #endif +#ifdef IPFIREWALL_DEFAULT_TO_ACCEPT +static int default_to_accept = 1; +#else +static int default_to_accept; +#endif static uma_zone_t ipfw_dyn_rule_zone; /* @@ -190,6 +195,9 @@ SYSCTL_UINT(_net_inet_ip_fw, OID_AUTO, d NULL, IPFW_DEFAULT_RULE, "The default/max possible rule number."); SYSCTL_UINT(_net_inet_ip_fw, OID_AUTO, tables_max, CTLFLAG_RD, NULL, IPFW_TABLES_MAX, "The maximum number of tables."); +SYSCTL_INT(_net_inet_ip_fw, OID_AUTO, default_to_accept, CTLFLAG_RDTUN, + &default_to_accept, 0, "Make the default rule accept all packets."); +TUNABLE_INT("net.inet.ip.fw.default_to_accept", &default_to_accept); #endif /* SYSCTL_NODE */ /* @@ -4636,11 +4644,7 @@ ipfw_init(void) default_rule.set = RESVD_SET; default_rule.cmd[0].len = 1; - default_rule.cmd[0].opcode = -#ifdef IPFIREWALL_DEFAULT_TO_ACCEPT - 1 ? O_ACCEPT : -#endif - O_DENY; + default_rule.cmd[0].opcode = default_to_accept ? O_ACCEPT : O_DENY; error = add_rule(&V_layer3_chain, &default_rule); if (error != 0) {
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