X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffirewall3.git;a=blobdiff_plain;f=forwards.c;h=b32b529a2337c9143802ed80404909d271f4f352;hp=c610247c8ab6aed99a9d210946c6f807e2607af9;hb=503db4a2e50519802ca6380495d4ecf32894f905;hpb=0367860636aa55e9ee064709ec2814906e1f246b diff --git a/forwards.c b/forwards.c index c610247..b32b529 100644 --- a/forwards.c +++ b/forwards.c @@ -31,87 +31,113 @@ const struct fw3_option fw3_forward_opts[] = { { } }; +static bool +check_forward(struct fw3_state *state, struct fw3_forward *forward, struct uci_element *e) +{ + if (!forward->enabled) + return false; + + if (forward->src.invert || forward->dest.invert) + { + warn_section("forward", forward, e, "must not have inverted 'src' or 'dest' options"); + return false; + } + else if (forward->src.set && !forward->src.any && + !(forward->_src = fw3_lookup_zone(state, forward->src.name))) + { + warn_section("forward", forward, e, "refers to not existing zone '%s'", + forward->src.name); + return false; + } + else if (forward->dest.set && !forward->dest.any && + !(forward->_dest = fw3_lookup_zone(state, forward->dest.name))) + { + warn_section("forward", forward, e, "refers to not existing zone '%s'", + forward->dest.name); + return false; + } + + /* NB: forward family... */ + if (forward->_dest) + { + fw3_setbit(forward->_dest->flags[0], FW3_FLAG_ACCEPT); + fw3_setbit(forward->_dest->flags[1], FW3_FLAG_ACCEPT); + } + + return true; +} + +static struct fw3_forward * +fw3_alloc_forward(struct fw3_state *state) +{ + struct fw3_forward *forward; + + forward = calloc(1, sizeof(*forward)); + if (!forward) + return NULL; + + forward->enabled = true; + + list_add_tail(&forward->list, &state->forwards); + + return forward; +} void -fw3_load_forwards(struct fw3_state *state, struct uci_package *p) +fw3_load_forwards(struct fw3_state *state, struct uci_package *p, + struct blob_attr *a) { struct uci_section *s; struct uci_element *e; struct fw3_forward *forward; - bool changed; + struct blob_attr *entry; + unsigned rem; INIT_LIST_HEAD(&state->forwards); - uci_foreach_element(&p->sections, e) + blob_for_each_attr(entry, a, rem) { - s = uci_to_section(e); + const char *type; + const char *name = "ubus forward"; - if (strcmp(s->type, "forwarding")) + if (!fw3_attr_parse_name_type(entry, &name, &type)) continue; - forward = calloc(1, sizeof(*forward)); - if (!forward) + if (strcmp(type, "forwarding")) continue; - forward->enabled = true; - - fw3_parse_options(forward, fw3_forward_opts, s); - - if (!forward->enabled) - { - fw3_free_forward(forward); + forward = fw3_alloc_forward(state); + if (!forward) continue; - } - if (forward->src.invert || forward->dest.invert) + if (!fw3_parse_blob_options(forward, fw3_forward_opts, entry, name)) { - warn_elem(e, "must not have inverted 'src' or 'dest' options"); + warn_section("forward", forward, NULL, "skipped due to invalid options"); fw3_free_forward(forward); continue; } - else if (forward->src.set && !forward->src.any && - !(forward->_src = fw3_lookup_zone(state, forward->src.name))) - { - warn_elem(e, "refers to not existing zone '%s'", forward->src.name); - fw3_free_forward(forward); - continue; - } - else if (forward->dest.set && !forward->dest.any && - !(forward->_dest = fw3_lookup_zone(state, forward->dest.name))) - { - warn_elem(e, "refers to not existing zone '%s'", forward->dest.name); + + if (!check_forward(state, forward, NULL)) fw3_free_forward(forward); + } + + uci_foreach_element(&p->sections, e) + { + s = uci_to_section(e); + + if (strcmp(s->type, "forwarding")) continue; - } - list_add_tail(&forward->list, &state->forwards); - continue; - } + forward = fw3_alloc_forward(state); + if (!forward) + continue; - /* Propagate conntrack requirement flag into all zones connected through - forwarding entries and repeat until all zones are normalized */ - do { - changed = false; + if (!fw3_parse_options(forward, fw3_forward_opts, s)) + warn_elem(e, "has invalid options"); - list_for_each_entry(forward, &state->forwards, list) - { - /* NB: forward family... */ - if (forward->_dest) - { - fw3_setbit(forward->_dest->flags[0], FW3_FLAG_ACCEPT); - fw3_setbit(forward->_dest->flags[1], FW3_FLAG_ACCEPT); - - if (forward->_src && - (forward->_src->conntrack != forward->_dest->conntrack)) - { - forward->_src->conntrack = true; - forward->_dest->conntrack = true; - changed = true; - } - } - } + if (!check_forward(state, forward, e)) + fw3_free_forward(forward); } - while (changed); }