X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffirewall3.git;a=blobdiff_plain;f=zones.c;h=ab656ef75381e82d8dec10b04a9593250547099b;hp=c81125f0eb71f8dd66636f64f689bd125ce21953;hb=24e1ba98e43d44ad7ba5780afd0b98e19ee14570;hpb=b2b2e69b19a20a46f3db6d717a899248fa24628c diff --git a/zones.c b/zones.c index c81125f..ab656ef 100644 --- a/zones.c +++ b/zones.c @@ -31,29 +31,49 @@ struct chain { }; 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, UNSPEC, "zone_%1$s_input"), + C(ANY, FILTER, UNSPEC, "zone_%1$s_output"), + C(ANY, FILTER, UNSPEC, "zone_%1$s_forward"), - C(ANY, FILTER, ACCEPT, "zone_%s_src_ACCEPT"), - C(ANY, FILTER, REJECT, "zone_%s_src_REJECT"), - C(ANY, FILTER, DROP, "zone_%s_src_DROP"), + C(ANY, FILTER, SRC_ACCEPT, "zone_%1$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 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(ANY, FILTER, ACCEPT, "zone_%1$s_dest_ACCEPT"), + C(ANY, FILTER, REJECT, "zone_%1$s_dest_REJECT"), + C(ANY, FILTER, DROP, "zone_%1$s_dest_DROP"), + + C(V4, NAT, SNAT, "zone_%1$s_postrouting"), + C(V4, NAT, DNAT, "zone_%1$s_prerouting"), + + C(ANY, FILTER, CUSTOM_CNS_V4, "input_%1$s_rule"), + C(ANY, FILTER, CUSTOM_CNS_V4, "output_%1$s_rule"), + C(ANY, FILTER, CUSTOM_CNS_V4, "forwarding_%1$s_rule"), + C(ANY, FILTER, CUSTOM_CNS_V6, "input_%1$s_rule"), + C(ANY, FILTER, CUSTOM_CNS_V6, "output_%1$s_rule"), + C(ANY, FILTER, CUSTOM_CNS_V6, "forwarding_%1$s_rule"), + + C(V4, NAT, CUSTOM_CNS_V4, "prerouting_%1$s_rule"), + C(V4, NAT, CUSTOM_CNS_V4, "postrouting_%1$s_rule"), +}; + - C(V4, NAT, SNAT, "zone_%s_postrouting"), - C(V4, NAT, DNAT, "zone_%s_prerouting"), +#define R(dir1, dir2) \ + "zone_%1$s_" #dir1 " -m comment --comment \"user chain for %1$s " \ + #dir2 "\" -j " #dir2 "_%1$s_rule" - C(ANY, FILTER, CUSTOM_CHAINS, "input_%s_rule"), - C(ANY, FILTER, CUSTOM_CHAINS, "output_%s_rule"), - C(ANY, FILTER, CUSTOM_CHAINS, "forwarding_%s_rule"), +static const struct chain def_rules[] = { + C(ANY, FILTER, CUSTOM_CNS_V4, R(input, input)), + C(ANY, FILTER, CUSTOM_CNS_V4, R(output, output)), + C(ANY, FILTER, CUSTOM_CNS_V4, R(forward, forwarding)), + C(ANY, FILTER, CUSTOM_CNS_V6, R(input, input)), + C(ANY, FILTER, CUSTOM_CNS_V6, R(output, output)), + C(ANY, FILTER, CUSTOM_CNS_V6, R(forward, forwarding)), - C(V4, NAT, CUSTOM_CHAINS, "prerouting_%s_rule"), - C(V4, NAT, CUSTOM_CHAINS, "postrouting_%s_rule"), + C(V4, NAT, CUSTOM_CNS_V4, R(prerouting, prerouting)), + C(V4, NAT, CUSTOM_CNS_V4, R(postrouting, postrouting)), }; const struct fw3_option fw3_zone_opts[] = { @@ -91,11 +111,11 @@ const struct fw3_option fw3_zone_opts[] = { static bool print_chains(enum fw3_table table, enum fw3_family family, - const char *fmt, const char *name, uint16_t targets, + const char *fmt, const char *name, uint32_t targets, const struct chain *chains, int n) { bool rv = false; - char cn[128] = { 0 }; + char cn[256] = { 0 }; const struct chain *c; for (c = chains; n > 0; c++, n--) @@ -235,19 +255,19 @@ fw3_load_zones(struct fw3_state *state, struct uci_package *p) if (zone->masq) { - setbit(zone->dst_flags, FW3_TARGET_SNAT); + setbit(zone->flags, FW3_TARGET_SNAT); zone->conntrack = true; } if (zone->custom_chains) { - setbit(zone->dst_flags, FW3_TARGET_SNAT); - setbit(zone->dst_flags, FW3_TARGET_DNAT); + setbit(zone->flags, FW3_TARGET_SNAT); + setbit(zone->flags, FW3_TARGET_DNAT); } - setbit(zone->src_flags, zone->policy_input); - setbit(zone->dst_flags, zone->policy_output); - setbit(zone->dst_flags, zone->policy_forward); + setbit(zone->flags, fw3_to_src_target(zone->policy_input)); + setbit(zone->flags, zone->policy_output); + setbit(zone->flags, zone->policy_forward); list_add_tail(&zone->list, &state->zones); } @@ -258,61 +278,40 @@ static void print_zone_chain(enum fw3_table table, enum fw3_family family, struct fw3_zone *zone, struct fw3_state *state) { - bool s, d; - uint16_t mask = ~0; + bool s, d, r; + enum fw3_target f; + uint32_t custom_mask = ~0; if (!fw3_is_family(zone, family)) return; - setbit(zone->dst_flags, family); + setbit(zone->flags, family); /* user chains already loaded, don't create again */ - if (hasbit(zone->dst_flags, FW3_TARGET_CUSTOM_CHAINS)) - delbit(mask, FW3_TARGET_CUSTOM_CHAINS); + for (f = FW3_TARGET_CUSTOM_CNS_V4; f <= FW3_TARGET_CUSTOM_CNS_V6; f++) + if (hasbit(zone->running_flags, f)) + delbit(custom_mask, f); if (zone->custom_chains) - setbit(zone->dst_flags, FW3_TARGET_CUSTOM_CHAINS); + setbit(zone->flags, (family == FW3_FAMILY_V4) ? + FW3_TARGET_CUSTOM_CNS_V4 : FW3_TARGET_CUSTOM_CNS_V6); if (!zone->conntrack && !state->defaults.drop_invalid) - setbit(zone->dst_flags, FW3_TARGET_NOTRACK); + setbit(zone->flags, FW3_TARGET_NOTRACK); s = print_chains(table, family, ":%s - [0:0]\n", zone->name, - zone->src_flags & mask, + zone->flags, src_chains, ARRAY_SIZE(src_chains)); d = print_chains(table, family, ":%s - [0:0]\n", zone->name, - zone->dst_flags & mask, + zone->flags & custom_mask, dst_chains, ARRAY_SIZE(dst_chains)); - if (zone->custom_chains) - { - if (table == FW3_TABLE_FILTER) - { - fw3_pr("-A zone_%s_input -j input_%s_rule " - "-m comment --comment \"user chain for %s input\"\n", - zone->name, zone->name, zone->name); - - fw3_pr("-A zone_%s_output -j output_%s_rule " - "-m comment --comment \"user chain for %s output\"\n", - zone->name, zone->name, zone->name); - - fw3_pr("-A zone_%s_forward -j forwarding_%s_rule " - "-m comment --comment \"user chain for %s forwarding\"\n", - zone->name, zone->name, zone->name); - } - else if (table == FW3_TABLE_NAT) - { - fw3_pr("-A zone_%s_prerouting -j prerouting_%s_rule " - "-m comment --comment \"user chain for %s prerouting\"\n", - zone->name, zone->name, zone->name); + r = print_chains(table, family, "-A %s\n", zone->name, + zone->flags, + def_rules, ARRAY_SIZE(def_rules)); - fw3_pr("-A zone_%s_postrouting -j postrouting_%s_rule " - "-m comment --comment \"user chain for %s postrouting\"\n", - zone->name, zone->name, zone->name); - } - } - - if (s || d) + if (s || d || r) { info(" * Zone '%s'", zone->name); fw3_set_running(zone, &state->running_zones); @@ -333,7 +332,7 @@ print_interface_rule(enum fw3_table table, enum fw3_family family, { for (t = FW3_TARGET_ACCEPT; t <= FW3_TARGET_DROP; t++) { - if (hasbit(zone->src_flags, t)) + if (hasbit(zone->flags, fw3_to_src_target(t))) { fw3_pr("-A zone_%s_src_%s", zone->name, fw3_flag_names[t]); fw3_format_in_out(dev, NULL); @@ -342,7 +341,7 @@ print_interface_rule(enum fw3_table table, enum fw3_family family, fw3_pr(" -j %s\n", jump_target(t)); } - if (hasbit(zone->dst_flags, t)) + if (hasbit(zone->flags, t)) { fw3_pr("-A zone_%s_dest_%s", zone->name, fw3_flag_names[t]); fw3_format_in_out(NULL, dev); @@ -372,7 +371,7 @@ print_interface_rule(enum fw3_table table, enum fw3_family family, } else if (table == FW3_TABLE_NAT) { - if (hasbit(zone->dst_flags, FW3_TARGET_DNAT)) + if (hasbit(zone->flags, FW3_TARGET_DNAT)) { fw3_pr("-A delegate_prerouting"); fw3_format_in_out(dev, NULL); @@ -381,7 +380,7 @@ print_interface_rule(enum fw3_table table, enum fw3_family family, fw3_pr(" -j zone_%s_prerouting\n", zone->name); } - if (hasbit(zone->dst_flags, FW3_TARGET_SNAT)) + if (hasbit(zone->flags, FW3_TARGET_SNAT)) { fw3_pr("-A delegate_postrouting"); fw3_format_in_out(NULL, dev); @@ -475,7 +474,7 @@ print_zone_rule(enum fw3_table table, enum fw3_family family, { for (t = FW3_TARGET_REJECT; t <= FW3_TARGET_DROP; t++) { - if (hasbit(zone->src_flags, t)) + if (hasbit(zone->flags, fw3_to_src_target(t))) { fw3_pr("-A zone_%s_src_%s", zone->name, fw3_flag_names[t]); fw3_format_limit(&zone->log_limit); @@ -483,7 +482,7 @@ print_zone_rule(enum fw3_table table, enum fw3_family family, fw3_flag_names[t], zone->name); } - if (hasbit(zone->dst_flags, t)) + if (hasbit(zone->flags, t)) { fw3_pr("-A zone_%s_dest_%s", zone->name, fw3_flag_names[t]); fw3_format_limit(&zone->log_limit); @@ -540,31 +539,33 @@ fw3_flush_zones(enum fw3_table table, enum fw3_family family, bool pass2, bool reload, struct fw3_state *state) { struct fw3_zone *z, *tmp; - uint16_t mask = ~0; - uint16_t families = (1 << FW3_FAMILY_V4) | (1 << FW3_FAMILY_V6); + uint32_t custom_mask = ~0; /* don't touch user chains on selective stop */ if (reload) - delbit(mask, FW3_DEFAULT_CUSTOM_CHAINS); + { + delbit(custom_mask, FW3_TARGET_CUSTOM_CNS_V4); + delbit(custom_mask, FW3_TARGET_CUSTOM_CNS_V6); + } list_for_each_entry_safe(z, tmp, &state->running_zones, running_list) { - if (!hasbit(z->dst_flags, family)) + if (!hasbit(z->flags, family)) continue; print_chains(table, family, pass2 ? "-X %s\n" : "-F %s\n", - z->name, z->src_flags & mask, + z->name, z->running_flags, src_chains, ARRAY_SIZE(src_chains)); print_chains(table, family, pass2 ? "-X %s\n" : "-F %s\n", - z->name, z->dst_flags & mask, + z->name, z->running_flags & custom_mask, dst_chains, ARRAY_SIZE(dst_chains)); if (pass2) { - delbit(z->dst_flags, family); + delbit(z->flags, family); - if (!(z->dst_flags & families)) + if (fw3_no_family(z)) fw3_set_running(z, NULL); } }