X-Git-Url: http://git.archive.openwrt.org/?p=project%2Ffirewall3.git;a=blobdiff_plain;f=utils.c;h=fc8c201c7b7958dffb3fbc39f1b628f821d056cd;hp=e7a22159244ec702a1a18a5a285f1ca54728c55e;hb=6d0ae262f561a1e7559154c8e122ae9ca9c71590;hpb=71d9d828691cefcac19201079473e600ffa596c9 diff --git a/utils.c b/utils.c index e7a2215..fc8c201 100644 --- a/utils.c +++ b/utils.c @@ -348,122 +348,214 @@ fw3_unlock(void) } -bool -fw3_read_statefile(void *state) +static void +write_defaults_uci(struct uci_context *ctx, struct fw3_defaults *d, + struct uci_package *dest) { - FILE *sf; + char buf[sizeof("0xffffffff\0")]; + struct uci_ptr ptr = { .p = dest }; + + uci_add_section(ctx, dest, "defaults", &ptr.s); + + ptr.o = NULL; + ptr.option = "input"; + ptr.value = fw3_flag_names[d->policy_input]; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "output"; + ptr.value = fw3_flag_names[d->policy_output]; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "forward"; + ptr.value = fw3_flag_names[d->policy_forward]; + uci_set(ctx, &ptr); + + sprintf(buf, "0x%x", d->flags[0]); + ptr.o = NULL; + ptr.option = "__flags_v4"; + ptr.value = buf; + uci_set(ctx, &ptr); + + sprintf(buf, "0x%x", d->flags[1]); + ptr.o = NULL; + ptr.option = "__flags_v6"; + ptr.value = buf; + uci_set(ctx, &ptr); +} - int type; - char line[128]; - const char *p, *name; +static void +write_zone_uci(struct uci_context *ctx, struct fw3_zone *z, + struct uci_package *dest) +{ + struct fw3_device *dev; + struct fw3_address *sub; + enum fw3_family fam = FW3_FAMILY_ANY; - uint32_t flags[2]; + char *p, buf[34]; - struct fw3_state *s = state; - struct fw3_zone *zone; - struct fw3_ipset *ipset; - struct fw3_device *net, *dev; + struct uci_ptr ptr = { .p = dest }; - sf = fopen(FW3_STATEFILE, "r"); + if (!z->enabled) + return; - if (!sf) - return false; + if (fw3_no_table(z->flags[0]) && !fw3_no_table(z->flags[1])) + fam = FW3_FAMILY_V6; + else if (!fw3_no_table(z->flags[0]) && fw3_no_table(z->flags[1])) + fam = FW3_FAMILY_V4; + else if (fw3_no_table(z->flags[0]) && fw3_no_table(z->flags[1])) + return; - while (fgets(line, sizeof(line), sf)) + uci_add_section(ctx, dest, "zone", &ptr.s); + + ptr.o = NULL; + ptr.option = "name"; + ptr.value = z->name; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "input"; + ptr.value = fw3_flag_names[z->policy_input]; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "output"; + ptr.value = fw3_flag_names[z->policy_output]; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "forward"; + ptr.value = fw3_flag_names[z->policy_forward]; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "masq"; + ptr.value = z->masq ? "1" : "0"; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "conntrack"; + ptr.value = z->conntrack ? "1" : "0"; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "mtu_fix"; + ptr.value = z->mtu_fix ? "1" : "0"; + uci_set(ctx, &ptr); + + ptr.o = NULL; + ptr.option = "custom_chains"; + ptr.value = z->custom_chains ? "1" : "0"; + uci_set(ctx, &ptr); + + if (fam != FW3_FAMILY_ANY) { - p = strtok(line, " \t\n"); - - if (!p) - continue; - - type = strtoul(p, NULL, 16); - name = strtok(NULL, " \t\n"); - - if (!name) - continue; - - if (!(p = strtok(NULL, " \t\n"))) - continue; + ptr.o = NULL; + ptr.option = "family"; + ptr.value = fw3_flag_names[fam]; + uci_set(ctx, &ptr); + } - flags[0] = strtoul(p, NULL, 16); + ptr.o = NULL; + ptr.option = "device"; - if (!(p = strtok(NULL, " \t\n"))) + fw3_foreach(dev, &z->devices) + { + if (!dev) continue; - flags[1] = strtoul(p, NULL, 16); + p = buf; - switch (type) - { - case FW3_TYPE_DEFAULTS: - s->defaults.flags[0] = flags[0]; - s->defaults.flags[1] = flags[1]; - break; + if (dev->invert) + p += sprintf(p, "!"); - case FW3_TYPE_ZONE: - if (!(zone = fw3_lookup_zone(state, name, false))) - { - zone = fw3_alloc_zone(); + if (*dev->network) + p += sprintf(p, "%s@%s", dev->name, dev->network); + else + p += sprintf(p, "%s", dev->name); - if (!zone) - continue; - - zone->name = strdup(name); - list_add_tail(&zone->list, &s->zones); + ptr.value = buf; + uci_add_list(ctx, &ptr); + } - setbit(flags[0], FW3_FLAG_DELETED); - } + ptr.o = NULL; + ptr.option = "subnet"; - zone->flags[0] = flags[0]; - zone->flags[1] = flags[1]; - list_add_tail(&zone->running_list, &s->running_zones); - break; + fw3_foreach(sub, &z->subnets) + { + if (!sub) + continue; - case FW3_TYPE_IPSET: - if (!(ipset = fw3_lookup_ipset(state, name, false))) - { - ipset = fw3_alloc_ipset(); + ptr.value = fw3_address_to_string(sub, true); + uci_add_list(ctx, &ptr); + } - if (!ipset) - continue; + sprintf(buf, "0x%x", z->flags[0]); + ptr.o = NULL; + ptr.option = "__flags_v4"; + ptr.value = buf; + uci_set(ctx, &ptr); + + sprintf(buf, "0x%x", z->flags[1]); + ptr.o = NULL; + ptr.option = "__flags_v6"; + ptr.value = buf; + uci_set(ctx, &ptr); +} - ipset->name = strdup(name); - list_add_tail(&ipset->list, &s->ipsets); +static void +write_ipset_uci(struct uci_context *ctx, struct fw3_ipset *s, + struct uci_package *dest) +{ + struct fw3_ipset_datatype *type; - setbit(flags[0], FW3_FLAG_DELETED); - } + char buf[sizeof("65535-65535\0")]; - ipset->flags[0] = flags[0]; - ipset->flags[1] = flags[1]; - list_add_tail(&ipset->running_list, &s->running_ipsets); - break; + struct uci_ptr ptr = { .p = dest }; - case FW3_TYPE_NETWORK: - if (!(zone = fw3_lookup_zone(state, name, false))) - continue; + if (!s->enabled || s->external) + return; - if (!(p = strtok(NULL, " \t\n")) || !(name = strtok(NULL, " \t\n"))) - continue; + uci_add_section(ctx, dest, "ipset", &ptr.s); - if (!(net = malloc(sizeof(*net)))) - continue; + ptr.o = NULL; + ptr.option = "name"; + ptr.value = s->name; + uci_set(ctx, &ptr); - memset(net, 0, sizeof(*net)); - snprintf(net->name, sizeof(net->name), "%s", p); - list_add_tail(&net->list, &zone->running_networks); + ptr.o = NULL; + ptr.option = "storage"; + ptr.value = fw3_ipset_method_names[s->method]; + uci_set(ctx, &ptr); - if (!(dev = malloc(sizeof(*dev)))) - continue; + list_for_each_entry(type, &s->datatypes, list) + { + sprintf(buf, "%s_%s", type->dest ? "dst" : "src", + fw3_ipset_type_names[type->type]); - memset(dev, 0, sizeof(*dev)); - dev->network = net; - snprintf(dev->name, sizeof(dev->name), "%s", name); - list_add_tail(&dev->list, &zone->running_devices); - } + ptr.o = NULL; + ptr.option = "match"; + ptr.value = buf; + uci_add_list(ctx, &ptr); } - fclose(sf); + if (s->iprange.set) + { + ptr.o = NULL; + ptr.option = "iprange"; + ptr.value = fw3_address_to_string(&s->iprange, false); + uci_set(ctx, &ptr); + } - return true; + if (s->portrange.set) + { + sprintf(buf, "%u-%u", s->portrange.port_min, s->portrange.port_max); + ptr.o = NULL; + ptr.option = "portrange"; + ptr.value = buf; + uci_set(ctx, &ptr); + } } void @@ -471,85 +563,51 @@ fw3_write_statefile(void *state) { FILE *sf; struct fw3_state *s = state; - struct fw3_defaults *defs = &s->defaults; struct fw3_zone *z; struct fw3_ipset *i; - struct fw3_device *d; - if (fw3_no_table(defs->flags[0]) && fw3_no_table(defs->flags[1])) - { - if (unlink(FW3_STATEFILE)) - warn("Unable to remove state %s: %s", - FW3_STATEFILE, strerror(errno)); + struct uci_package *p; - return; - } - - sf = fopen(FW3_STATEFILE, "w"); - - if (!sf) + if (fw3_no_family(s->defaults.flags[0]) && + fw3_no_family(s->defaults.flags[1])) { - warn("Cannot create state %s: %s", FW3_STATEFILE, strerror(errno)); - return; + unlink(FW3_STATEFILE); } - - fprintf(sf, "%x - %x %x\n", - FW3_TYPE_DEFAULTS, defs->flags[0], defs->flags[1]); - - list_for_each_entry(z, &s->running_zones, running_list) + else { - if (hasbit(z->flags[0], FW3_FLAG_DELETED)) - continue; + sf = fopen(FW3_STATEFILE, "w+"); - if (fw3_no_table(z->flags[0]) && fw3_no_table(z->flags[1])) - continue; - - fprintf(sf, "%x %s %x %x\n", - FW3_TYPE_ZONE, z->name, z->flags[0], z->flags[1]); - - list_for_each_entry(d, &z->devices, list) + if (!sf) { - if (!d->network) - continue; - - fprintf(sf, "%x %s 0 0 %s %s\n", - FW3_TYPE_NETWORK, z->name, d->network->name, d->name); + warn("Cannot create state %s: %s", FW3_STATEFILE, strerror(errno)); + return; } - } - list_for_each_entry(i, &s->running_ipsets, running_list) - { - if (hasbit(z->flags[0], FW3_FLAG_DELETED)) - continue; + if ((p = uci_lookup_package(s->uci, "fw3_state")) != NULL) + uci_unload(s->uci, p); - if (!fw3_no_family(i->flags[0]) || !fw3_no_family(i->flags[1])) - { - fprintf(sf, "%x %s %x %x\n", - FW3_TYPE_IPSET, i->name, i->flags[0], i->flags[1]); - } - } + uci_import(s->uci, sf, "fw3_state", NULL, true); - fclose(sf); -} + if ((p = uci_lookup_package(s->uci, "fw3_state")) != NULL) + { + write_defaults_uci(s->uci, &s->defaults, p); + list_for_each_entry(z, &s->zones, list) + write_zone_uci(s->uci, z, p); -struct object_list_heads -{ - struct list_head list; - struct list_head running_list; -}; + list_for_each_entry(i, &s->ipsets, list) + write_ipset_uci(s->uci, i, p); -void -fw3_set_running(void *object, struct list_head *dest) -{ - struct object_list_heads *o = object; + uci_export(s->uci, sf, p, true); + uci_unload(s->uci, p); + } - if (dest && !o->running_list.next) - list_add_tail(&o->running_list, dest); - else if (!dest && o->running_list.next) - list_del(&o->running_list); + fsync(fileno(sf)); + fclose(sf); + } } + void fw3_free_object(void *obj, const void *opts) { @@ -616,7 +674,7 @@ fw3_hotplug(bool add, void *zone, void *device) struct fw3_zone *z = zone; struct fw3_device *d = device; - if (!d->network) + if (!*d->network) return false; switch (fork()) @@ -640,7 +698,7 @@ fw3_hotplug(bool add, void *zone, void *device) clearenv(); setenv("ACTION", add ? "add" : "remove", 1); setenv("ZONE", z->name, 1); - setenv("INTERFACE", d->network->name, 1); + setenv("INTERFACE", d->network, 1); setenv("DEVICE", d->name, 1); execl(FW3_HOTPLUG, FW3_HOTPLUG, "firewall", NULL);