#include <stdlib.h>
#include <stdio.h>
+#include <arpa/inet.h>
+#include <netinet/in.h>
+
#include "netifd.h"
+#include "interface.h"
+#include "interface-ip.h"
#include "proto.h"
+#include "system.h"
+
+enum {
+ OPT_IPADDR,
+ OPT_IP6ADDR,
+ OPT_NETMASK,
+ OPT_GATEWAY,
+ OPT_IP6GW,
+ OPT_DNS,
+ __OPT_MAX,
+};
+
+static const struct blobmsg_policy static_attrs[__OPT_MAX] = {
+ [OPT_IPADDR] = { .name = "ipaddr", .type = BLOBMSG_TYPE_ARRAY },
+ [OPT_IP6ADDR] = { .name = "ip6addr", .type = BLOBMSG_TYPE_ARRAY },
+ [OPT_NETMASK] = { .name = "netmask", .type = BLOBMSG_TYPE_STRING },
+ [OPT_GATEWAY] = { .name = "gateway", .type = BLOBMSG_TYPE_STRING },
+ [OPT_IP6GW] = { .name = "ip6gw", .type = BLOBMSG_TYPE_STRING },
+ [OPT_DNS] = { .name = "dns", .type = BLOBMSG_TYPE_ARRAY },
+};
+
+static const union config_param_info static_attr_info[__OPT_MAX] = {
+ [OPT_IPADDR] = { .type = BLOBMSG_TYPE_STRING },
+ [OPT_IP6ADDR] = { .type = BLOBMSG_TYPE_STRING },
+ [OPT_DNS] = { .type = BLOBMSG_TYPE_STRING },
+};
+
+static const struct config_param_list static_attr_list = {
+ .n_params = __OPT_MAX,
+ .params = static_attrs,
+ .info = static_attr_info,
+};
struct static_proto_state {
- struct interface_proto_state proto;
+ struct interface_proto_state proto;
+
+ struct blob_attr *config;
};
+static bool
+parse_addr(struct interface *iface, const char *str, bool v6, int mask)
+{
+ struct device_addr *addr;
+
+ addr = proto_parse_ip_addr_string(str, v6, mask);
+ if (!addr) {
+ interface_add_error(iface, "proto-static", "INVALID_ADDRESS", &str, 1);
+ return false;
+ }
+ vlist_add(&iface->proto_ip.addr, &addr->node);
+ return true;
+}
+
+static int
+parse_address_option(struct interface *iface, struct blob_attr *attr, bool v6, int netmask)
+{
+ struct blob_attr *cur;
+ int n_addr = 0;
+ int rem;
+
+ blobmsg_for_each_attr(cur, attr, rem) {
+ n_addr++;
+ if (!parse_addr(iface, blobmsg_data(cur), v6, netmask))
+ return -1;
+ }
+
+ return n_addr;
+}
+
+static bool
+parse_gateway_option(struct interface *iface, struct blob_attr *attr, bool v6)
+{
+ struct device_route *route;
+ const char *str = blobmsg_data(attr);
+ int af = v6 ? AF_INET6 : AF_INET;
+
+ route = calloc(1, sizeof(*route));
+ if (!inet_pton(af, str, &route->nexthop)) {
+ interface_add_error(iface, "proto-static",
+ "INVALID_GATEWAY", &str, 1);
+ free(route);
+ return false;
+ }
+ route->mask = 0;
+ route->flags = DEVADDR_DEVICE | (v6 ? DEVADDR_INET6 : DEVADDR_INET4);
+ vlist_add(&iface->proto_ip.route, &route->node);
+
+ return true;
+}
+
+static int
+proto_apply_static_settings(struct interface *iface, struct blob_attr *attr)
+{
+ struct blob_attr *tb[__OPT_MAX];
+ const char *error;
+ unsigned int netmask = 32;
+ int n_v4 = 0, n_v6 = 0;
+
+ blobmsg_parse(static_attrs, __OPT_MAX, tb, blob_data(attr), blob_len(attr));
+
+ if (tb[OPT_NETMASK]) {
+ netmask = parse_netmask_string(blobmsg_data(tb[OPT_NETMASK]), false);
+ if (netmask > 32) {
+ error = "INVALID_NETMASK";
+ goto error;
+ }
+ }
+
+ if (tb[OPT_IPADDR])
+ n_v4 = parse_address_option(iface, tb[OPT_IPADDR], false, netmask);
+
+ if (tb[OPT_IP6ADDR])
+ n_v6 = parse_address_option(iface, tb[OPT_IP6ADDR], true, netmask);
+
+ if (!n_v4 && !n_v6) {
+ error = "NO_ADDRESS";
+ goto error;
+ }
+
+ if (n_v4 < 0 || n_v6 < 0)
+ goto out;
+
+ if (n_v4 && tb[OPT_GATEWAY]) {
+ if (!parse_gateway_option(iface, tb[OPT_GATEWAY], false))
+ goto out;
+ }
+
+ if (n_v6 && tb[OPT_IP6GW]) {
+ if (!parse_gateway_option(iface, tb[OPT_IP6GW], true))
+ goto out;
+ }
+
+ if (tb[OPT_DNS])
+ interface_add_dns_server_list(&iface->proto_ip, tb[OPT_DNS]);
+
+ return 0;
+
+error:
+ interface_add_error(iface, "proto-static", error, NULL, 0);
+out:
+ return -1;
+}
+
+static bool
+static_proto_setup(struct static_proto_state *state)
+{
+ return proto_apply_static_settings(state->proto.iface, state->config) == 0;
+}
static int
static_handler(struct interface_proto_state *proto,
enum interface_proto_cmd cmd, bool force)
{
- return 0;
+ struct static_proto_state *state;
+ int ret = 0;
+
+ state = container_of(proto, struct static_proto_state, proto);
+
+ switch (cmd) {
+ case PROTO_CMD_SETUP:
+ if (!static_proto_setup(state))
+ return -1;
+
+ break;
+ case PROTO_CMD_TEARDOWN:
+ break;
+ }
+ return ret;
}
static void
struct static_proto_state *state;
state = container_of(proto, struct static_proto_state, proto);
+ free(state->config);
free(state);
}
-struct interface_proto_state *
-static_attach(struct proto_handler *h, struct interface *iface,
- struct uci_section *s)
+static struct interface_proto_state *
+static_attach(const struct proto_handler *h, struct interface *iface,
+ struct blob_attr *attr)
{
struct static_proto_state *state;
state = calloc(1, sizeof(*state));
+ if (!state)
+ return NULL;
+
+ state->config = malloc(blob_pad_len(attr));
+ if (!state->config)
+ goto error;
+
+ memcpy(state->config, attr, blob_pad_len(attr));
state->proto.free = static_free;
- state->proto.handler = static_handler;
- state->proto.flags = PROTO_FLAG_IMMEDIATE;
+ state->proto.cb = static_handler;
return &state->proto;
+
+error:
+ free(state);
+ return NULL;
}
static struct proto_handler static_proto = {
.name = "static",
+ .flags = PROTO_FLAG_IMMEDIATE,
+ .config_params = &static_attr_list,
.attach = static_attach,
};
projects / project / netifd.git / blobdiff