#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 zone_chains[] = {
- C(ANY, FILTER, UNSPEC, "zone_%1$s_input"),
- C(ANY, FILTER, UNSPEC, "zone_%1$s_output"),
- C(ANY, FILTER, UNSPEC, "zone_%1$s_forward"),
+#define C(f, tbl, tgt, fmt) \
+ { FW3_FAMILY_##f, FW3_TABLE_##tbl, FW3_FLAG_##tgt, fmt }
- C(ANY, FILTER, SRC_ACCEPT, "zone_%1$s_src_ACCEPT"),
- C(ANY, FILTER, SRC_REJECT, "zone_%1$s_src_REJECT"),
- C(ANY, FILTER, SRC_DROP, "zone_%1$s_src_DROP"),
+static const struct fw3_chain_spec zone_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_%1$s_dest_ACCEPT"),
- C(ANY, FILTER, REJECT, "zone_%1$s_dest_REJECT"),
- C(ANY, FILTER, DROP, "zone_%1$s_dest_DROP"),
+ C(ANY, FILTER, SRC_ACCEPT, "zone_%s_src_ACCEPT"),
+ C(ANY, FILTER, SRC_REJECT, "zone_%s_src_REJECT"),
+ C(ANY, FILTER, SRC_DROP, "zone_%s_src_DROP"),
- C(V4, NAT, SNAT, "zone_%1$s_postrouting"),
- C(V4, NAT, DNAT, "zone_%1$s_prerouting"),
+ C(ANY, FILTER, ACCEPT, "zone_%s_dest_ACCEPT"),
+ C(ANY, FILTER, REJECT, "zone_%s_dest_REJECT"),
+ C(ANY, FILTER, DROP, "zone_%s_dest_DROP"),
- C(ANY, FILTER, CUSTOM_CHAINS, "input_%1$s_rule"),
- C(ANY, FILTER, CUSTOM_CHAINS, "output_%1$s_rule"),
- C(ANY, FILTER, CUSTOM_CHAINS, "forwarding_%1$s_rule"),
-
- C(V4, NAT, CUSTOM_CHAINS, "prerouting_%1$s_rule"),
- C(V4, NAT, CUSTOM_CHAINS, "postrouting_%1$s_rule"),
-};
+ C(V4, NAT, SNAT, "zone_%s_postrouting"),
+ C(V4, NAT, DNAT, "zone_%s_prerouting"),
+ C(ANY, FILTER, CUSTOM_CHAINS, "input_%s_rule"),
+ C(ANY, FILTER, CUSTOM_CHAINS, "output_%s_rule"),
+ C(ANY, FILTER, CUSTOM_CHAINS, "forwarding_%s_rule"),
-#define R(dir1, dir2) \
- "zone_%1$s_" #dir1 " -m comment --comment \"user chain for %1$s " \
- #dir2 "\" -j " #dir2 "_%1$s_rule"
+ C(V4, NAT, CUSTOM_CHAINS, "prerouting_%s_rule"),
+ C(V4, NAT, CUSTOM_CHAINS, "postrouting_%s_rule"),
-static const struct chain zone_rules[] = {
- C(ANY, FILTER, CUSTOM_CHAINS, R(input, input)),
- C(ANY, FILTER, CUSTOM_CHAINS, R(output, output)),
- C(ANY, FILTER, CUSTOM_CHAINS, R(forward, forwarding)),
-
- C(V4, NAT, CUSTOM_CHAINS, R(prerouting, prerouting)),
- C(V4, NAT, CUSTOM_CHAINS, R(postrouting, postrouting)),
+ { }
};
const struct fw3_option fw3_zone_opts[] = {
FW3_LIST("network", device, zone, networks),
FW3_LIST("device", device, zone, devices),
- FW3_LIST("subnet", address, zone, subnets),
+ FW3_LIST("subnet", network, zone, subnets),
FW3_OPT("input", target, zone, policy_input),
FW3_OPT("forward", target, zone, policy_forward),
FW3_OPT("output", target, zone, policy_output),
FW3_OPT("masq", bool, zone, masq),
- FW3_LIST("masq_src", address, zone, masq_src),
- FW3_LIST("masq_dest", address, zone, masq_dest),
+ FW3_LIST("masq_src", network, zone, masq_src),
+ FW3_LIST("masq_dest", network, zone, masq_dest),
FW3_OPT("extra", string, zone, extra_src),
FW3_OPT("extra_src", string, zone, extra_src),
FW3_OPT("log", bool, zone, log),
FW3_OPT("log_limit", limit, zone, log_limit),
+ FW3_OPT("__flags_v4", int, zone, flags[0]),
+ FW3_OPT("__flags_v6", int, zone, flags[1]),
+
{ }
};
-static bool
-print_chains(enum fw3_table table, enum fw3_family family,
- const char *fmt, const char *name, uint32_t *targets, uint32_t mask,
- const struct chain *chains, int n)
-{
- bool rv = false;
- char cn[256] = { 0 };
- const struct chain *c;
- uint32_t t = targets ? targets[family == FW3_FAMILY_V6] : 0;
-
- if (mask)
- t &= mask;
-
- 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) && !hasbit(t, 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,
+check_policy(struct uci_element *e, enum fw3_flag *pol, enum fw3_flag def,
const char *name)
{
- if (*pol == FW3_TARGET_UNSPEC)
+ if (*pol == FW3_FLAG_UNSPEC)
{
warn_elem(e, "has no %s policy specified, using default", name);
*pol = def;
}
- else if (*pol > FW3_TARGET_DROP)
+ else if (*pol > FW3_FLAG_DROP)
{
warn_elem(e, "has invalid %s policy, using default", name);
*pol = def;
continue;
}
+ snprintf(tmp->network, sizeof(tmp->network), "%s", net->name);
list_add_tail(&tmp->list, &zone->devices);
}
}
continue;
}
+ if (strlen(zone->name) > FW3_ZONE_MAXNAMELEN)
+ {
+ warn_elem(e, "must not have a name longer than %u characters",
+ FW3_ZONE_MAXNAMELEN);
+ fw3_free_zone(zone);
+ continue;
+ }
+
if (list_empty(&zone->networks) && list_empty(&zone->devices) &&
list_empty(&zone->subnets) && !zone->extra_src)
{
if (zone->masq)
{
- setbit(zone->flags[0], FW3_TARGET_SNAT);
+ setbit(zone->flags[0], FW3_FLAG_SNAT);
zone->conntrack = true;
}
if (zone->custom_chains)
{
- setbit(zone->flags[0], FW3_TARGET_SNAT);
- setbit(zone->flags[0], FW3_TARGET_DNAT);
+ setbit(zone->flags[0], FW3_FLAG_SNAT);
+ setbit(zone->flags[0], FW3_FLAG_DNAT);
}
setbit(zone->flags[0], fw3_to_src_target(zone->policy_input));
static void
-print_zone_chain(enum fw3_table table, enum fw3_family family,
- struct fw3_zone *zone, bool reload, struct fw3_state *state)
+print_zone_chain(struct fw3_ipt_handle *handle, struct fw3_state *state,
+ bool reload, struct fw3_zone *zone)
{
- bool c, r;
- uint32_t custom_mask = ~0;
-
- if (!fw3_is_family(zone, family))
+ int i;
+ struct fw3_ipt_rule *r;
+ const struct fw3_chain_spec *c;
+
+ const char *flt_chains[] = {
+ "input", "input",
+ "output", "output",
+ "forward", "forwarding",
+ };
+
+ const char *nat_chains[] = {
+ "prerouting", "prerouting",
+ "postrouting", "postrouting",
+ };
+
+ if (!fw3_is_family(zone, handle->family))
return;
- set(zone->flags, family, table);
+ info(" * Zone '%s'", zone->name);
- /* Don't touch user chains on reload */
- if (reload)
- delbit(custom_mask, FW3_TARGET_CUSTOM_CHAINS);
+ set(zone->flags, handle->family, handle->table);
if (zone->custom_chains)
- set(zone->flags, family, FW3_TARGET_CUSTOM_CHAINS);
+ set(zone->flags, handle->family, FW3_FLAG_CUSTOM_CHAINS);
if (!zone->conntrack && !state->defaults.drop_invalid)
- set(zone->flags, family, FW3_TARGET_NOTRACK);
+ set(zone->flags, handle->family, FW3_FLAG_NOTRACK);
- c = print_chains(table, family, ":%s - [0:0]\n", zone->name,
- zone->flags, custom_mask,
- zone_chains, ARRAY_SIZE(zone_chains));
+ for (c = zone_chains; c->format; c++)
+ {
+ /* don't touch user chains on selective stop */
+ if (reload && c->flag == FW3_FLAG_CUSTOM_CHAINS)
+ continue;
- r = print_chains(table, family, "-A %s\n", zone->name,
- zone->flags, 0,
- zone_rules, ARRAY_SIZE(zone_rules));
+ if (!fw3_is_family(c, handle->family))
+ continue;
- if (c || r)
- {
- info(" * Zone '%s'", zone->name);
- fw3_set_running(zone, &state->running_zones);
+ if (c->table != handle->table)
+ continue;
- set(zone->flags, family, table);
+ if (c->flag &&
+ !hasbit(zone->flags[handle->family == FW3_FAMILY_V6], c->flag))
+ continue;
+
+ fw3_ipt_create_chain(handle, c->format, zone->name);
+ }
+
+ if (zone->custom_chains)
+ {
+ if (handle->table == FW3_TABLE_FILTER)
+ {
+ for (i = 0; i < sizeof(flt_chains)/sizeof(flt_chains[0]); i += 2)
+ {
+ r = fw3_ipt_rule_new(handle);
+ fw3_ipt_rule_comment(r, "user chain for %s", flt_chains[i+1]);
+ fw3_ipt_rule_target(r, "%s_%s_rule", flt_chains[i+1], zone->name);
+ fw3_ipt_rule_append(r, "zone_%s_%s", zone->name, flt_chains[i]);
+ }
+ }
+ else if (handle->table == FW3_TABLE_NAT)
+ {
+ for (i = 0; i < sizeof(nat_chains)/sizeof(nat_chains[0]); i += 2)
+ {
+ r = fw3_ipt_rule_new(handle);
+ fw3_ipt_rule_comment(r, "user chain for %s", nat_chains[i+1]);
+ fw3_ipt_rule_target(r, "%s_%s_rule", nat_chains[i+1], zone->name);
+ fw3_ipt_rule_append(r, "zone_%s_%s", zone->name, nat_chains[i]);
+ }
+ }
}
+
+ set(zone->flags, handle->family, handle->table);
}
static void
-print_interface_rule(enum fw3_table table, enum fw3_family family,
- struct fw3_zone *zone, struct fw3_device *dev,
- struct fw3_address *sub, bool reload, bool disable_notrack)
+print_interface_rule(struct fw3_ipt_handle *handle, struct fw3_state *state,
+ bool reload, struct fw3_zone *zone,
+ struct fw3_device *dev, struct fw3_address *sub)
{
- enum fw3_target t;
+ bool disable_notrack = state->defaults.drop_invalid;
+ struct fw3_protocol tcp = { .protocol = 6 };
+ struct fw3_ipt_rule *r;
+ enum fw3_flag t;
+
+ char buf[32];
+
+ int i;
+
+ const char *chains[] = {
+ "input",
+ "output",
+ "forward",
+ };
#define jump_target(t) \
- ((t == FW3_TARGET_REJECT) ? "reject" : fw3_flag_names[t])
+ ((t == FW3_FLAG_REJECT) ? "reject" : fw3_flag_names[t])
- if (table == FW3_TABLE_FILTER)
+ if (handle->table == FW3_TABLE_FILTER)
{
- for (t = FW3_TARGET_ACCEPT; t <= FW3_TARGET_DROP; t++)
+ for (t = FW3_FLAG_ACCEPT; t <= FW3_FLAG_DROP; t++)
{
- if (has(zone->flags, family, fw3_to_src_target(t)))
+ if (has(zone->flags, handle->family, fw3_to_src_target(t)))
{
- fw3_pr("-A zone_%s_src_%s", zone->name, fw3_flag_names[t]);
- fw3_format_in_out(dev, NULL);
- fw3_format_src_dest(sub, NULL);
- fw3_format_extra(zone->extra_src);
- fw3_pr(" -j %s\n", jump_target(t));
+ r = fw3_ipt_rule_create(handle, NULL, dev, NULL, sub, NULL);
+ fw3_ipt_rule_target(r, jump_target(t));
+ fw3_ipt_rule_extra(r, zone->extra_src);
+ fw3_ipt_rule_append(r, "zone_%s_src_%s", zone->name,
+ fw3_flag_names[t]);
}
- if (has(zone->flags, family, t))
+ if (has(zone->flags, handle->family, t))
{
- fw3_pr("-A zone_%s_dest_%s", zone->name, fw3_flag_names[t]);
- fw3_format_in_out(NULL, dev);
- fw3_format_src_dest(NULL, sub);
- fw3_format_extra(zone->extra_dest);
- fw3_pr(" -j %s\n", jump_target(t));
+ r = fw3_ipt_rule_create(handle, NULL, NULL, dev, NULL, sub);
+ fw3_ipt_rule_target(r, jump_target(t));
+ fw3_ipt_rule_extra(r, zone->extra_dest);
+ fw3_ipt_rule_append(r, "zone_%s_dest_%s", zone->name,
+ fw3_flag_names[t]);
}
}
- fw3_pr("-A delegate_input");
- fw3_format_in_out(dev, NULL);
- fw3_format_src_dest(sub, NULL);
- fw3_format_extra(zone->extra_src);
- fw3_pr(" -j zone_%s_input\n", zone->name);
-
- fw3_pr("-A delegate_forward");
- fw3_format_in_out(dev, NULL);
- fw3_format_src_dest(sub, NULL);
- fw3_format_extra(zone->extra_src);
- fw3_pr(" -j zone_%s_forward\n", zone->name);
-
- fw3_pr("-A delegate_output");
- fw3_format_in_out(NULL, dev);
- fw3_format_src_dest(NULL, sub);
- fw3_format_extra(zone->extra_dest);
- fw3_pr(" -j zone_%s_output\n", zone->name);
+ for (i = 0; i < sizeof(chains)/sizeof(chains[0]); i++)
+ {
+ if (*chains[i] == 'o')
+ r = fw3_ipt_rule_create(handle, NULL, NULL, dev, NULL, sub);
+ else
+ r = fw3_ipt_rule_create(handle, NULL, dev, NULL, sub, NULL);
+
+ fw3_ipt_rule_target(r, "zone_%s_%s", zone->name, chains[i]);
+
+ if (*chains[i] == 'o')
+ fw3_ipt_rule_extra(r, zone->extra_dest);
+ else
+ fw3_ipt_rule_extra(r, zone->extra_src);
+
+ fw3_ipt_rule_append(r, "delegate_%s", chains[i]);
+ }
}
- else if (table == FW3_TABLE_NAT)
+ else if (handle->table == FW3_TABLE_NAT)
{
- if (has(zone->flags, family, FW3_TARGET_DNAT))
+ if (has(zone->flags, handle->family, FW3_FLAG_DNAT))
{
- 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);
+ r = fw3_ipt_rule_create(handle, NULL, dev, NULL, sub, NULL);
+ fw3_ipt_rule_target(r, "zone_%s_prerouting", zone->name);
+ fw3_ipt_rule_extra(r, zone->extra_src);
+ fw3_ipt_rule_append(r, "delegate_prerouting");
}
- if (has(zone->flags, family, FW3_TARGET_SNAT))
+ if (has(zone->flags, handle->family, FW3_FLAG_SNAT))
{
- fw3_pr("-A delegate_postrouting");
- fw3_format_in_out(NULL, dev);
- fw3_format_src_dest(NULL, sub);
- fw3_format_extra(zone->extra_dest);
- fw3_pr(" -j zone_%s_postrouting\n", zone->name);
+ r = fw3_ipt_rule_create(handle, NULL, NULL, dev, NULL, sub);
+ fw3_ipt_rule_target(r, "zone_%s_postrouting", zone->name);
+ fw3_ipt_rule_extra(r, zone->extra_dest);
+ fw3_ipt_rule_append(r, "delegate_postrouting");
}
}
- else if (table == FW3_TABLE_MANGLE)
+ else if (handle->table == FW3_TABLE_MANGLE)
{
if (zone->mtu_fix)
{
if (zone->log)
{
- fw3_pr("-A mssfix");
- fw3_format_in_out(NULL, dev);
- fw3_format_src_dest(NULL, sub);
- fw3_pr(" -p tcp --tcp-flags SYN,RST SYN");
- fw3_format_limit(&zone->log_limit);
- fw3_format_comment(zone->name, " (mtu_fix logging)");
- fw3_pr(" -j LOG --log-prefix \"MSSFIX(%s): \"\n", zone->name);
+ snprintf(buf, sizeof(buf) - 1, "MSSFIX(%s): ", zone->name);
+
+ r = fw3_ipt_rule_create(handle, &tcp, NULL, dev, NULL, sub);
+ fw3_ipt_rule_addarg(r, false, "--tcp-flags", "SYN,RST");
+ fw3_ipt_rule_addarg(r, false, "SYN", NULL);
+ fw3_ipt_rule_limit(r, &zone->log_limit);
+ fw3_ipt_rule_comment(r, "%s (mtu_fix logging)", zone->name);
+ fw3_ipt_rule_target(r, "LOG");
+ fw3_ipt_rule_addarg(r, false, "--log-prefix", buf);
+ fw3_ipt_rule_append(r, "mssfix");
}
- fw3_pr("-A mssfix");
- fw3_format_in_out(NULL, dev);
- fw3_format_src_dest(NULL, sub);
- fw3_pr(" -p tcp --tcp-flags SYN,RST SYN");
- fw3_format_comment(zone->name, " (mtu_fix)");
- fw3_pr(" -j TCPMSS --clamp-mss-to-pmtu\n");
+ r = fw3_ipt_rule_create(handle, &tcp, NULL, dev, NULL, sub);
+ fw3_ipt_rule_addarg(r, false, "--tcp-flags", "SYN,RST");
+ fw3_ipt_rule_addarg(r, false, "SYN", NULL);
+ fw3_ipt_rule_comment(r, "%s (mtu_fix)", zone->name);
+ fw3_ipt_rule_target(r, "TCPMSS");
+ fw3_ipt_rule_addarg(r, false, "--clamp-mss-to-pmtu", NULL);
+ fw3_ipt_rule_append(r, "mssfix");
}
}
- else if (table == FW3_TABLE_RAW)
+ else if (handle->table == FW3_TABLE_RAW)
{
if (!zone->conntrack && !disable_notrack)
{
- fw3_pr("-A notrack");
- fw3_format_in_out(dev, NULL);
- fw3_format_src_dest(sub, NULL);
- fw3_format_extra(zone->extra_src);
- fw3_format_comment(zone->name, " (notrack)");
- fw3_pr(" -j CT --notrack\n", zone->name);
+ r = fw3_ipt_rule_create(handle, NULL, dev, NULL, sub, NULL);
+ fw3_ipt_rule_target(r, "CT");
+ fw3_ipt_rule_addarg(r, false, "--notrack", NULL);
+ fw3_ipt_rule_extra(r, zone->extra_src);
+ fw3_ipt_rule_append(r, "notrack");
}
}
}
static void
-print_interface_rules(enum fw3_table table, enum fw3_family family,
- struct fw3_zone *zone, bool reload, bool disable_notrack)
+print_interface_rules(struct fw3_ipt_handle *handle, struct fw3_state *state,
+ bool reload, struct fw3_zone *zone)
{
struct fw3_device *dev;
struct fw3_address *sub;
fw3_foreach(dev, &zone->devices)
fw3_foreach(sub, &zone->subnets)
{
- if (!fw3_is_family(sub, family))
+ if (!fw3_is_family(sub, handle->family))
continue;
if (!dev && !sub)
continue;
- print_interface_rule(table, family, zone, dev, sub, reload, disable_notrack);
+ print_interface_rule(handle, state, reload, zone, dev, sub);
}
}
static void
-print_zone_rule(enum fw3_table table, enum fw3_family family,
- struct fw3_zone *zone, bool reload, bool disable_notrack)
+print_zone_rule(struct fw3_ipt_handle *handle, struct fw3_state *state,
+ bool reload, struct fw3_zone *zone)
{
struct fw3_address *msrc;
struct fw3_address *mdest;
+ struct fw3_ipt_rule *r;
- enum fw3_target t;
+ enum fw3_flag t;
+ char buf[32];
- if (!fw3_is_family(zone, family))
+ if (!fw3_is_family(zone, handle->family))
return;
- switch (table)
+ switch (handle->table)
{
case FW3_TABLE_FILTER:
- fw3_pr("-A zone_%s_input -j zone_%s_src_%s\n",
- zone->name, zone->name, fw3_flag_names[zone->policy_input]);
+ r = fw3_ipt_rule_new(handle);
+ fw3_ipt_rule_target(r, "zone_%s_src_%s", zone->name,
+ fw3_flag_names[zone->policy_input]);
+ fw3_ipt_rule_append(r, "zone_%s_input", zone->name);
- fw3_pr("-A zone_%s_forward -j zone_%s_dest_%s\n",
- zone->name, zone->name, fw3_flag_names[zone->policy_forward]);
+ r = fw3_ipt_rule_new(handle);
+ fw3_ipt_rule_target(r, "zone_%s_dest_%s", zone->name,
+ fw3_flag_names[zone->policy_forward]);
+ fw3_ipt_rule_append(r, "zone_%s_forward", zone->name);
- fw3_pr("-A zone_%s_output -j zone_%s_dest_%s\n",
- zone->name, zone->name, fw3_flag_names[zone->policy_output]);
+ r = fw3_ipt_rule_new(handle);
+ fw3_ipt_rule_target(r, "zone_%s_dest_%s", zone->name,
+ fw3_flag_names[zone->policy_output]);
+ fw3_ipt_rule_append(r, "zone_%s_output", zone->name);
if (zone->log)
{
- for (t = FW3_TARGET_REJECT; t <= FW3_TARGET_DROP; t++)
+ for (t = FW3_FLAG_REJECT; t <= FW3_FLAG_DROP; t++)
{
- if (has(zone->flags, family, fw3_to_src_target(t)))
+ if (has(zone->flags, handle->family, fw3_to_src_target(t)))
{
- fw3_pr("-A zone_%s_src_%s", zone->name, fw3_flag_names[t]);
- fw3_format_limit(&zone->log_limit);
- fw3_pr(" -j LOG --log-prefix \"%s(src %s)\"\n",
- fw3_flag_names[t], zone->name);
+ r = fw3_ipt_rule_new(handle);
+
+ snprintf(buf, sizeof(buf) - 1, "%s(src %s)",
+ fw3_flag_names[t], zone->name);
+
+ fw3_ipt_rule_limit(r, &zone->log_limit);
+ fw3_ipt_rule_target(r, "LOG");
+ fw3_ipt_rule_addarg(r, false, "--log-prefix", buf);
+ fw3_ipt_rule_append(r, "zone_%s_src_%s",
+ zone->name, fw3_flag_names[t]);
}
- if (has(zone->flags, family, t))
+ if (has(zone->flags, handle->family, t))
{
- fw3_pr("-A zone_%s_dest_%s", zone->name, fw3_flag_names[t]);
- fw3_format_limit(&zone->log_limit);
- fw3_pr(" -j LOG --log-prefix \"%s(dest %s)\"\n",
- fw3_flag_names[t], zone->name);
+ r = fw3_ipt_rule_new(handle);
+
+ snprintf(buf, sizeof(buf) - 1, "%s(dest %s)",
+ fw3_flag_names[t], zone->name);
+
+ fw3_ipt_rule_limit(r, &zone->log_limit);
+ fw3_ipt_rule_target(r, "LOG");
+ fw3_ipt_rule_addarg(r, false, "--log-prefix", buf);
+ fw3_ipt_rule_append(r, "zone_%s_dest_%s",
+ zone->name, fw3_flag_names[t]);
}
}
}
break;
case FW3_TABLE_NAT:
- if (zone->masq && family == FW3_FAMILY_V4)
+ if (zone->masq && handle->family == FW3_FAMILY_V4)
{
fw3_foreach(msrc, &zone->masq_src)
fw3_foreach(mdest, &zone->masq_dest)
{
- fw3_pr("-A zone_%s_postrouting ", zone->name);
- fw3_format_src_dest(msrc, mdest);
- fw3_pr("-j MASQUERADE\n");
+ if (!fw3_is_family(msrc, handle->family) ||
+ !fw3_is_family(mdest, handle->family))
+ continue;
+
+ r = fw3_ipt_rule_new(handle);
+ fw3_ipt_rule_src_dest(r, msrc, mdest);
+ fw3_ipt_rule_target(r, "MASQUERADE");
+ fw3_ipt_rule_append(r, "zone_%s_postrouting", zone->name);
}
}
break;
break;
}
- print_interface_rules(table, family, zone, reload, disable_notrack);
+ print_interface_rules(handle, state, reload, zone);
}
void
-fw3_print_zone_chains(enum fw3_table table, enum fw3_family family,
- bool reload, struct fw3_state *state)
+fw3_print_zone_chains(struct fw3_ipt_handle *handle, struct fw3_state *state,
+ bool reload)
{
struct fw3_zone *zone;
list_for_each_entry(zone, &state->zones, list)
- print_zone_chain(table, family, zone, reload, state);
+ print_zone_chain(handle, state, reload, zone);
}
void
-fw3_print_zone_rules(enum fw3_table table, enum fw3_family family,
- bool reload, struct fw3_state *state)
+fw3_print_zone_rules(struct fw3_ipt_handle *handle, struct fw3_state *state,
+ bool reload)
{
struct fw3_zone *zone;
list_for_each_entry(zone, &state->zones, list)
- print_zone_rule(table, family, zone, reload, state->defaults.drop_invalid);
+ print_zone_rule(handle, state, reload, zone);
}
void
-fw3_flush_zones(enum fw3_table table, enum fw3_family family,
- bool pass2, bool reload, struct fw3_state *state)
+fw3_flush_zones(struct fw3_ipt_handle *handle, struct fw3_state *state,
+ bool reload)
{
struct fw3_zone *z, *tmp;
- uint32_t custom_mask = ~0;
-
- /* don't touch user chains on selective stop */
- if (reload)
- delbit(custom_mask, FW3_TARGET_CUSTOM_CHAINS);
+ const struct fw3_chain_spec *c;
+ char chain[32];
- list_for_each_entry_safe(z, tmp, &state->running_zones, running_list)
+ list_for_each_entry_safe(z, tmp, &state->zones, list)
{
- if (!has(z->flags, family, table))
+ if (!has(z->flags, handle->family, handle->table))
continue;
- print_chains(table, family, pass2 ? "-X %s\n" : "-F %s\n",
- z->name, z->flags, custom_mask,
- zone_chains, ARRAY_SIZE(zone_chains));
+ for (c = zone_chains; c->format; c++)
+ {
+ /* don't touch user chains on selective stop */
+ if (reload && c->flag == FW3_FLAG_CUSTOM_CHAINS)
+ continue;
+
+ if (!fw3_is_family(c, handle->family))
+ continue;
+
+ if (c->table != handle->table)
+ continue;
+
+ if (c->flag && !has(z->flags, handle->family, c->flag))
+ continue;
- if (pass2)
+ snprintf(chain, sizeof(chain), c->format, z->name);
+ fw3_ipt_delete_rules(handle, chain);
+ fw3_ipt_delete_chain(handle, chain);
+ }
+
+ del(z->flags, handle->family, handle->table);
+ }
+}
+
+void
+fw3_hotplug_zones(struct fw3_state *state, bool add)
+{
+ struct fw3_zone *z;
+ struct fw3_device *d;
+
+ list_for_each_entry(z, &state->zones, list)
+ {
+ if (add != hasbit(z->flags[0], FW3_FLAG_HOTPLUG))
{
- del(z->flags, family, table);
+ list_for_each_entry(d, &z->devices, list)
+ fw3_hotplug(add, z, d);
+
+ if (add)
+ setbit(z->flags[0], FW3_FLAG_HOTPLUG);
+ else
+ delbit(z->flags[0], FW3_FLAG_HOTPLUG);
}
}
}
struct fw3_zone *
-fw3_lookup_zone(struct fw3_state *state, const char *name, bool running)
+fw3_lookup_zone(struct fw3_state *state, const char *name)
{
struct fw3_zone *z;
if (strcmp(z->name, name))
continue;
- if (!running || z->running_list.next)
- return z;
-
- break;
+ return z;
}
return NULL;
}
+
+struct list_head *
+fw3_resolve_zone_addresses(struct fw3_zone *zone)
+{
+ struct fw3_device *net;
+ struct fw3_address *addr, *tmp;
+ struct list_head *addrs, *all;
+
+ all = malloc(sizeof(*all));
+
+ if (!all)
+ return NULL;
+
+ memset(all, 0, sizeof(*all));
+ INIT_LIST_HEAD(all);
+
+ list_for_each_entry(net, &zone->networks, list)
+ {
+ addrs = fw3_ubus_address(net->name);
+
+ if (!addrs)
+ continue;
+
+ list_for_each_entry_safe(addr, tmp, addrs, list)
+ {
+ list_del(&addr->list);
+ list_add_tail(&addr->list, all);
+ }
+
+ free(addrs);
+ }
+
+ list_for_each_entry(addr, &zone->subnets, list)
+ {
+ tmp = malloc(sizeof(*tmp));
+
+ if (!tmp)
+ continue;
+
+ memcpy(tmp, addr, sizeof(*tmp));
+ list_add_tail(&tmp->list, all);
+ }
+
+ return all;
+}
projects / project / firewall3.git / blobdiff