- if (ps->n_v4) {
- ps->v4 = next;
- memcpy(next, ps->v4, sizeof(struct v4_addr) * ps->n_v4);
-
- next = ps->v4 + ps->n_v4;
- }
-
- if (ps->n_v6) {
- ps->v6 = next;
- memcpy(next, ps->v6, sizeof(struct v6_addr) * ps->n_v6);
- }
-
- return &state->proto;
-}
-
-static bool
-split_netmask(char *str, unsigned int *netmask)
-{
- char *delim, *err = NULL;
-
- delim = strchr(str, '/');
- if (delim) {
- *(delim++) = 0;
-
- *netmask = strtoul(delim, &err, 10);
- if (err && *err)
- return false;
- }
- return true;
-}
-
-static int
-parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask)
-{
- char *astr = alloca(strlen(str) + 1);
-
- strcpy(astr, str);
- if (!split_netmask(astr, netmask))
- return 0;
-
- if (af == AF_INET6) {
- if (*netmask > 128)
- return 0;
- } else {
- if (*netmask > 32)
- return 0;
- }
-
- return inet_pton(af, str, addr);
-}
-
-static int
-parse_v4(const char *str, struct v4_addr *v4, int netmask)
-{
- v4->prefix = netmask;
- return parse_ip_and_netmask(AF_INET, str, &v4->addr, &v4->prefix);
-}
-
-static int
-parse_v6(const char *str, struct v6_addr *v6, int netmask)
-{
- v6->prefix = netmask;
- return parse_ip_and_netmask(AF_INET6, str, &v6->addr, &v6->prefix);
-}
-
-static int
-count_list_entries(struct uci_option *o)
-{
- struct uci_element *e;
- int n = 0;
-
- uci_foreach_element(&o->v.list, e)
- n++;
-
- return n;
-}
-
-enum {
- OPT_IPADDR,
- OPT_IP6ADDR,
- OPT_NETMASK,
- OPT_GATEWAY,
- OPT_IP6GW,
- OPT_DNS,
- __OPT_MAX,
-};
-
-static const struct uci_parse_option opts[__OPT_MAX] = {
- [OPT_IPADDR] = { .name = "ipaddr" },
- [OPT_IP6ADDR] = { .name = "ip6addr" },
- [OPT_NETMASK] = { .name = "netmask", .type = UCI_TYPE_STRING },
- [OPT_GATEWAY] = { .name = "gateway", .type = UCI_TYPE_STRING },
- [OPT_IP6GW] = { .name = "ip6gw", .type = UCI_TYPE_STRING },
- [OPT_DNS] = { .name = "dns" },
-};
-
-struct interface_proto_state *
-static_attach(struct proto_handler *h, struct interface *iface,
- struct uci_section *s)
-{
- struct uci_option *tb[__OPT_MAX];
- struct uci_element *e;
- struct in_addr ina = {};
- const char *error = NULL;
- int netmask = 32;
- int i;
- struct static_proto_settings ps;
-
- memset(&ps, 0, sizeof(ps));
- uci_parse_section(s, opts, __OPT_MAX, tb);
-
- if (tb[OPT_NETMASK]) {
- if (!inet_aton(tb[OPT_NETMASK]->v.string, &ina)) {
- error = "INVALID_NETMASK";
- goto error;
- }
-
- netmask = 32 - fls(~(ntohl(ina.s_addr)));
- }
-
- if (tb[OPT_IPADDR]) {
- if (tb[OPT_IPADDR]->type == UCI_TYPE_STRING) {
- ps.n_v4 = 1;
- ps.v4 = alloca(sizeof(struct v4_addr));
- if (!parse_v4(tb[OPT_IPADDR]->v.string, ps.v4, netmask))
- goto invalid_addr;
- } else {
- i = 0;
- ps.n_v4 = count_list_entries(tb[OPT_IPADDR]);
- ps.v4 = alloca(sizeof(struct v4_addr) * ps.n_v4);
- uci_foreach_element(&tb[OPT_IPADDR]->v.list, e) {
- if (!parse_v4(e->name, &ps.v4[i++], netmask))
- goto invalid_addr;
- }
- }
- }
-
- if (tb[OPT_IP6ADDR]) {
- if (tb[OPT_IP6ADDR]->type == UCI_TYPE_STRING) {
- ps.n_v6 = 1;
- ps.v6 = alloca(sizeof(struct v6_addr));
- ps.v6->prefix = netmask;
- if (!parse_v6(tb[OPT_IP6ADDR]->v.string, ps.v6, netmask))
- goto invalid_addr;
- } else {
- i = 0;
- ps.n_v6 = count_list_entries(tb[OPT_IP6ADDR]);
- ps.v6 = alloca(sizeof(struct v6_addr) * ps.n_v6);
- uci_foreach_element(&tb[OPT_IP6ADDR]->v.list, e) {
- if (!parse_v6(e->name, &ps.v6[i++], netmask))
- goto invalid_addr;
- }
- }
- }
-
- if (!ps.n_v4 && !ps.n_v6) {
- error = "NO_ADDRESS";