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| author | jhb <jhb@FreeBSD.org> | 2009-05-09 05:07:36 +0000 |
|---|---|---|
| committer | jhb <jhb@FreeBSD.org> | 2009-05-09 05:07:36 +0000 |
| commit | 3ec7a2297d93a143bb10515bb61abba358e3f3d7 (patch) | |
| tree | 2966659bb81cf8fc0e3ad72170e5a0747a9c8869 | |
| parent | 0b931b9b69ece82f6c86a30beb2c759054414330 (diff) | |
| download | FreeBSD-src-3ec7a2297d93a143bb10515bb61abba358e3f3d7.zip FreeBSD-src-3ec7a2297d93a143bb10515bb61abba358e3f3d7.tar.gz | |
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
| -rw-r--r-- | sys/netinet/ip_fw2.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/sys/netinet/ip_fw2.c b/sys/netinet/ip_fw2.c index ab65f35..af70451 100644 --- a/sys/netinet/ip_fw2.c +++ b/sys/netinet/ip_fw2.c @@ -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, default_rule, CTLFLAG_RD, 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) { |
