#include "ubus.h"
+#define C(f, tbl, tgt, name) \
+ { FW3_FAMILY_##f, FW3_TABLE_##tbl, FW3_TARGET_##tgt, name }
+
+struct chain {
+ enum fw3_family family;
+ enum fw3_table table;
+ enum fw3_target target;
+ const char *name;
+};
+
+static const struct chain src_chains[] = {
+ C(ANY, FILTER, UNSPEC, "zone_%s_input"),
+ C(ANY, FILTER, UNSPEC, "zone_%s_output"),
+ C(ANY, FILTER, UNSPEC, "zone_%s_forward"),
+
+ C(ANY, FILTER, ACCEPT, "zone_%s_src_ACCEPT"),
+ C(ANY, FILTER, REJECT, "zone_%s_src_REJECT"),
+ C(ANY, FILTER, DROP, "zone_%s_src_DROP"),
+};
+
+static const struct chain dst_chains[] = {
+ C(ANY, FILTER, ACCEPT, "zone_%s_dest_ACCEPT"),
+ C(ANY, FILTER, REJECT, "zone_%s_dest_REJECT"),
+ C(ANY, FILTER, DROP, "zone_%s_dest_DROP"),
+
+ C(V4, NAT, SNAT, "zone_%s_postrouting"),
+ C(V4, NAT, DNAT, "zone_%s_prerouting"),
+
+ C(ANY, RAW, NOTRACK, "zone_%s_notrack"),
+};
+
static struct fw3_option zone_opts[] = {
FW3_OPT("name", string, zone, name),
};
+static bool
+print_chains(enum fw3_table table, enum fw3_family family,
+ const char *fmt, const char *name, uint8_t targets,
+ const struct chain *chains, int n)
+{
+ bool rv = false;
+ char cn[128] = { 0 };
+ const struct chain *c;
+
+ for (c = chains; n > 0; c++, n--)
+ {
+ if (!fw3_is_family(c, family))
+ continue;
+
+ if (c->table != table)
+ continue;
+
+ if ((c->target != FW3_TARGET_UNSPEC) && !(targets & (1 << c->target)))
+ continue;
+
+ snprintf(cn, sizeof(cn), c->name, name);
+ fw3_pr(fmt, cn);
+
+ rv = true;
+ }
+
+ return rv;
+}
+
static void
check_policy(struct uci_element *e, enum fw3_target *pol, enum fw3_target def,
const char *name)
if (zone->masq)
{
- zone->has_dest_target[FW3_TARGET_SNAT] = true;
+ zone->has_dest_target |= (1 << FW3_TARGET_SNAT);
zone->conntrack = true;
}
- zone->has_src_target[zone->policy_input] = true;
- zone->has_dest_target[zone->policy_output] = true;
- zone->has_dest_target[zone->policy_forward] = true;
+ zone->has_src_target |= (1 << zone->policy_input);
+ zone->has_dest_target |= (1 << zone->policy_output);
+ zone->has_dest_target |= (1 << zone->policy_forward);
list_add_tail(&zone->list, &state->zones);
}
print_zone_chain(enum fw3_table table, enum fw3_family family,
struct fw3_zone *zone, bool disable_notrack)
{
- enum fw3_target t;
- const char *targets[] = {
- "(bug)",
- "ACCEPT",
- "REJECT",
- "DROP",
- };
+ bool s, d;
if (!fw3_is_family(zone, family))
return;
- switch (table)
- {
- case FW3_TABLE_FILTER:
- info(" * Zone '%s'", zone->name);
-
- for (t = FW3_TARGET_ACCEPT; t <= FW3_TARGET_DROP; t++)
- {
- if (zone->has_src_target[t])
- fw3_pr(":zone_%s_src_%s - [0:0]\n", zone->name, targets[t]);
-
- if (zone->has_dest_target[t])
- fw3_pr(":zone_%s_dest_%s - [0:0]\n", zone->name, targets[t]);
- }
-
- fw3_pr(":zone_%s_forward - [0:0]\n", zone->name);
- fw3_pr(":zone_%s_input - [0:0]\n", zone->name);
- fw3_pr(":zone_%s_output - [0:0]\n", zone->name);
- break;
+ if (!zone->conntrack && !disable_notrack)
+ zone->has_dest_target |= (1 << FW3_TARGET_NOTRACK);
- case FW3_TABLE_NAT:
- if (family == FW3_FAMILY_V4)
- {
- info(" * Zone '%s'", zone->name);
-
- if (zone->has_dest_target[FW3_TARGET_SNAT])
- fw3_pr(":zone_%s_postrouting - [0:0]\n", zone->name);
-
- if (zone->has_dest_target[FW3_TARGET_DNAT])
- fw3_pr(":zone_%s_prerouting - [0:0]\n", zone->name);
- }
- break;
+ s = print_chains(table, family, ":%s - [0:0]\n", zone->name,
+ zone->has_src_target, src_chains, ARRAY_SIZE(src_chains));
- case FW3_TABLE_RAW:
- if (!zone->conntrack && !disable_notrack)
- {
- info(" * Zone '%s'", zone->name);
- fw3_pr(":zone_%s_notrack - [0:0]\n", zone->name);
- }
- break;
+ d = print_chains(table, family, ":%s - [0:0]\n", zone->name,
+ zone->has_dest_target, dst_chains, ARRAY_SIZE(dst_chains));
- case FW3_TABLE_MANGLE:
- break;
- }
+ if (s || d)
+ info(" * Zone '%s'", zone->name);
}
static void
{
for (t = FW3_TARGET_ACCEPT; t <= FW3_TARGET_DROP; t++)
{
- if (zone->has_src_target[t])
+ if (zone->has_src_target & (1 << t))
{
fw3_pr("-A zone_%s_src_%s", zone->name, targets[t*2]);
fw3_format_in_out(dev, NULL);
fw3_pr(" -j %s\n", targets[t*2+1]);
}
- if (zone->has_dest_target[t])
+ if (zone->has_dest_target & (1 << t))
{
fw3_pr("-A zone_%s_dest_%s", zone->name, targets[t*2]);
fw3_format_in_out(NULL, dev);
}
else if (table == FW3_TABLE_NAT)
{
- if (zone->has_dest_target[FW3_TARGET_DNAT])
+ if (zone->has_dest_target & (1 << FW3_TARGET_DNAT))
{
- fw3_pr("-A PREROUTING");
+ fw3_pr("-A delegate_prerouting");
fw3_format_in_out(dev, NULL);
fw3_format_src_dest(sub, NULL);
fw3_format_extra(zone->extra_src);
fw3_pr(" -j zone_%s_prerouting\n", zone->name);
}
- if (zone->has_dest_target[FW3_TARGET_SNAT])
+ if (zone->has_dest_target & (1 << FW3_TARGET_SNAT))
{
- fw3_pr("-A POSTROUTING");
+ fw3_pr("-A delegate_postrouting");
fw3_format_in_out(NULL, dev);
fw3_format_src_dest(NULL, sub);
fw3_format_extra(zone->extra_dest);
{
for (t = FW3_TARGET_REJECT; t <= FW3_TARGET_DROP; t++)
{
- if (zone->has_src_target[t])
+ if (zone->has_src_target & (1 << t))
{
fw3_pr("-A zone_%s_src_%s", zone->name, targets[t]);
fw3_format_limit(&zone->log_limit);
targets[t], zone->name);
}
- if (zone->has_dest_target[t])
+ if (zone->has_dest_target & (1 << t))
{
fw3_pr("-A zone_%s_dest_%s", zone->name, targets[t]);
fw3_format_limit(&zone->log_limit);
print_zone_rule(table, family, zone, state->defaults.drop_invalid);
}
+void
+fw3_flush_zones(enum fw3_table table, enum fw3_family family,
+ bool pass2, struct list_head *statefile)
+{
+ struct fw3_statefile_entry *e;
+
+ list_for_each_entry(e, statefile, list)
+ {
+ if (e->type != FW3_TYPE_ZONE)
+ continue;
+
+ print_chains(table, family, pass2 ? "-X %s\n" : "-F %s\n",
+ e->name, e->flags[0], src_chains, ARRAY_SIZE(src_chains));
+
+ print_chains(table, family, pass2 ? "-X %s\n" : "-F %s\n",
+ e->name, e->flags[1], dst_chains, ARRAY_SIZE(dst_chains));
+ }
+}
struct fw3_zone *
fw3_lookup_zone(struct fw3_state *state, const char *name)
projects / project / firewall3.git / blobdiff