+/*
+ * netifd - network interface daemon
+ * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
OPT_IPADDR,
OPT_IP6ADDR,
OPT_NETMASK,
+ OPT_BROADCAST,
OPT_GATEWAY,
OPT_IP6GW,
- OPT_DNS,
__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_BROADCAST] = { .name = "broadcast", .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 proto_ip_attr_info[__OPT_MAX] = {
[OPT_IPADDR] = { .type = BLOBMSG_TYPE_STRING },
[OPT_IP6ADDR] = { .type = BLOBMSG_TYPE_STRING },
- [OPT_DNS] = { .type = BLOBMSG_TYPE_STRING },
};
const struct config_param_list proto_ip_attr = {
.info = proto_ip_attr_info,
};
+enum {
+ ADDR_IPADDR,
+ ADDR_MASK,
+ ADDR_BROADCAST,
+ ADDR_PTP,
+ __ADDR_MAX
+};
-unsigned int
-parse_netmask_string(const char *str, bool v6)
-{
- struct in_addr addr;
- unsigned int ret;
- char *err = NULL;
-
- if (!strchr(str, '.')) {
- ret = strtoul(str, &err, 0);
- if (err && *err)
- goto error;
-
- return ret;
- }
-
- if (v6)
- goto error;
+static const struct blobmsg_policy proto_ip_addr[__ADDR_MAX] = {
+ [ADDR_IPADDR] = { .name = "ipaddr", .type = BLOBMSG_TYPE_STRING },
+ [ADDR_MASK] = { .name = "mask", .type = BLOBMSG_TYPE_STRING },
+ [ADDR_BROADCAST] = { .name = "broadcast", .type = BLOBMSG_TYPE_STRING },
+ [ADDR_PTP] = { .name = "ptp", .type = BLOBMSG_TYPE_STRING },
+};
- if (inet_aton(str, &addr) != 1)
- goto error;
+static struct device_addr *
+alloc_device_addr(bool v6, bool ext)
+{
+ struct device_addr *addr;
- return 32 - fls(~(ntohl(addr.s_addr)));
+ addr = calloc(1, sizeof(*addr));
+ addr->flags = v6 ? DEVADDR_INET6 : DEVADDR_INET4;
+ if (ext)
+ addr->flags |= DEVADDR_EXTERNAL;
-error:
- return ~0;
+ return addr;
}
static bool
-split_netmask(char *str, unsigned int *netmask, bool v6)
+parse_addr(struct interface *iface, const char *str, bool v6, int mask,
+ bool ext, uint32_t broadcast)
{
- char *delim = strchr(str, '/');
+ struct device_addr *addr;
+ int af = v6 ? AF_INET6 : AF_INET;
- if (delim) {
- *(delim++) = 0;
+ addr = alloc_device_addr(v6, ext);
+ if (!addr)
+ return false;
- *netmask = parse_netmask_string(delim, v6);
+ addr->mask = mask;
+ if (!parse_ip_and_netmask(af, str, &addr->addr, &addr->mask)) {
+ interface_add_error(iface, "proto", "INVALID_ADDRESS", &str, 1);
+ free(addr);
+ return false;
}
+
+ if (broadcast)
+ addr->broadcast = broadcast;
+
+ vlist_add(&iface->proto_ip.addr, &addr->node, &addr->flags);
return true;
}
static int
-parse_ip_and_netmask(int af, const char *str, void *addr, unsigned int *netmask)
+parse_static_address_option(struct interface *iface, struct blob_attr *attr,
+ bool v6, int netmask, bool ext, uint32_t broadcast)
{
- char *astr = alloca(strlen(str) + 1);
-
- strcpy(astr, str);
- if (!split_netmask(astr, netmask, af == AF_INET6))
- return 0;
-
- if (af == AF_INET6) {
- if (*netmask > 128)
- return 0;
- } else {
- if (*netmask > 32)
- return 0;
+ struct blob_attr *cur;
+ int n_addr = 0;
+ int rem;
+
+ blobmsg_for_each_attr(cur, attr, rem) {
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
+ return -1;
+
+ n_addr++;
+ if (!parse_addr(iface, blobmsg_data(cur), v6, netmask, ext,
+ broadcast))
+ return -1;
}
- return inet_pton(af, astr, addr);
+ return n_addr;
}
-struct device_addr *
-proto_parse_ip_addr_string(const char *str, bool v6, int mask)
+static struct device_addr *
+parse_address_item(struct blob_attr *attr, bool v6, bool ext)
{
struct device_addr *addr;
- int af = v6 ? AF_INET6 : AF_INET;
+ struct blob_attr *tb[__ADDR_MAX];
+ struct blob_attr *cur;
- addr = calloc(1, sizeof(*addr));
- addr->flags = v6 ? DEVADDR_INET6 : DEVADDR_INET4;
- addr->mask = mask;
- if (!parse_ip_and_netmask(af, str, &addr->addr, &addr->mask)) {
- free(addr);
+ if (blobmsg_type(attr) != BLOBMSG_TYPE_TABLE)
+ return NULL;
+
+ addr = alloc_device_addr(v6, ext);
+ if (!addr)
return NULL;
+
+ blobmsg_parse(proto_ip_addr, __ADDR_MAX, tb, blobmsg_data(attr), blobmsg_data_len(attr));
+
+ addr->mask = v6 ? 128 : 32;
+ if ((cur = tb[ADDR_MASK])) {
+ unsigned int new_mask;
+
+ new_mask = parse_netmask_string(blobmsg_data(cur), v6);
+ if (new_mask > addr->mask)
+ goto error;
+
+ addr->mask = new_mask;
}
- return addr;
-}
-static bool
-parse_addr(struct interface *iface, const char *str, bool v6, int mask, bool ext)
-{
- struct device_addr *addr;
+ cur = tb[ADDR_IPADDR];
+ if (!cur)
+ goto error;
- addr = proto_parse_ip_addr_string(str, v6, mask);
- if (!addr) {
- interface_add_error(iface, "proto", "INVALID_ADDRESS", &str, 1);
- return false;
+ if (!inet_pton(v6 ? AF_INET6 : AF_INET, blobmsg_data(cur), &addr->addr))
+ goto error;
+
+ if (!v6) {
+ if ((cur = tb[ADDR_BROADCAST]) &&
+ !inet_pton(AF_INET, blobmsg_data(cur), &addr->broadcast))
+ goto error;
+ if ((cur = tb[ADDR_PTP]) &&
+ !inet_pton(AF_INET, blobmsg_data(cur), &addr->point_to_point))
+ goto error;
}
- if (ext)
- addr->flags |= DEVADDR_EXTERNAL;
+ return addr;
- vlist_add(&iface->proto_ip.addr, &addr->node);
- return true;
+error:
+ free(addr);
+ return NULL;
}
static int
-parse_address_option(struct interface *iface, struct blob_attr *attr, bool v6, int netmask, bool ext)
+parse_address_list(struct interface *iface, struct blob_attr *attr, bool v6,
+ bool ext)
{
+ struct device_addr *addr;
struct blob_attr *cur;
int n_addr = 0;
int rem;
blobmsg_for_each_attr(cur, attr, rem) {
- if (blobmsg_type(cur) != BLOBMSG_TYPE_STRING)
+ addr = parse_address_item(cur, v6, ext);
+ if (!addr)
return -1;
n_addr++;
- if (!parse_addr(iface, blobmsg_data(cur), v6, netmask, ext))
- return -1;
+ vlist_add(&iface->proto_ip.addr, &addr->node, &addr->flags);
}
return n_addr;
}
-
static bool
parse_gateway_option(struct interface *iface, struct blob_attr *attr, bool v6)
{
}
route->mask = 0;
- route->flags = DEVADDR_DEVICE | (v6 ? DEVADDR_INET6 : DEVADDR_INET4);
- vlist_add(&iface->proto_ip.route, &route->node);
+ route->flags = (v6 ? DEVADDR_INET6 : DEVADDR_INET4);
+ vlist_add(&iface->proto_ip.route, &route->node, &route->flags);
return true;
}
int
-proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr, bool ext)
+proto_apply_static_ip_settings(struct interface *iface, struct blob_attr *attr)
{
struct blob_attr *tb[__OPT_MAX];
+ struct blob_attr *cur;
const char *error;
unsigned int netmask = 32;
int n_v4 = 0, n_v6 = 0;
+ struct in_addr bcast = {};
blobmsg_parse(proto_ip_attributes, __OPT_MAX, tb, blob_data(attr), blob_len(attr));
- if (tb[OPT_NETMASK]) {
- netmask = parse_netmask_string(blobmsg_data(tb[OPT_NETMASK]), false);
+ if ((cur = tb[OPT_NETMASK])) {
+ netmask = parse_netmask_string(blobmsg_data(cur), false);
if (netmask > 32) {
error = "INVALID_NETMASK";
goto error;
}
}
- if (tb[OPT_IPADDR])
- n_v4 = parse_address_option(iface, tb[OPT_IPADDR], false, netmask, ext);
+ if ((cur = tb[OPT_BROADCAST])) {
+ if (!inet_pton(AF_INET, blobmsg_data(cur), &bcast)) {
+ error = "INVALID_BROADCAST";
+ goto error;
+ }
+ }
+
+ if ((cur = tb[OPT_IPADDR]))
+ n_v4 = parse_static_address_option(iface, cur, false,
+ netmask, false, bcast.s_addr);
- if (tb[OPT_IP6ADDR])
- n_v6 = parse_address_option(iface, tb[OPT_IP6ADDR], true, netmask, ext);
+ if ((cur = tb[OPT_IP6ADDR]))
+ n_v6 = parse_static_address_option(iface, cur, true,
+ netmask, false, 0);
if (!n_v4 && !n_v6) {
error = "NO_ADDRESS";
if (n_v4 < 0 || n_v6 < 0)
goto out;
- if (n_v4 && tb[OPT_GATEWAY]) {
- if (!parse_gateway_option(iface, tb[OPT_GATEWAY], false))
+ if ((cur = tb[OPT_GATEWAY])) {
+ if (n_v4 && !parse_gateway_option(iface, cur, false))
goto out;
}
- if (n_v6 && tb[OPT_IP6GW]) {
- if (!parse_gateway_option(iface, tb[OPT_IP6GW], true))
+ if ((cur = tb[OPT_IP6GW])) {
+ if (n_v6 && !parse_gateway_option(iface, cur, true))
+ goto out;
+ }
+
+ return 0;
+
+error:
+ interface_add_error(iface, "proto", error, NULL, 0);
+out:
+ return -1;
+}
+
+int
+proto_apply_ip_settings(struct interface *iface, struct blob_attr *attr, bool ext)
+{
+ struct blob_attr *tb[__OPT_MAX];
+ struct blob_attr *cur;
+ const char *error;
+ int n_v4 = 0, n_v6 = 0;
+
+ blobmsg_parse(proto_ip_attributes, __OPT_MAX, tb, blob_data(attr), blob_len(attr));
+
+ if ((cur = tb[OPT_IPADDR]))
+ n_v4 = parse_address_list(iface, cur, false, ext);
+
+ if ((cur = tb[OPT_IP6ADDR]))
+ n_v6 = parse_address_list(iface, cur, true, ext);
+
+ if (!n_v4 && !n_v6) {
+ error = "NO_ADDRESS";
+ goto error;
+ }
+
+ if (n_v4 < 0 || n_v6 < 0)
+ goto out;
+
+ if ((cur = tb[OPT_GATEWAY])) {
+ if (n_v4 && !parse_gateway_option(iface, cur, false))
goto out;
}
- if (tb[OPT_DNS])
- interface_add_dns_server_list(&iface->proto_ip, tb[OPT_DNS]);
+ if ((cur = tb[OPT_IP6GW])) {
+ if (n_v6 && !parse_gateway_option(iface, cur, true))
+ goto out;
+ }
return 0;
}
void
+proto_dump_handlers(struct blob_buf *b)
+{
+ struct proto_handler *p;
+ void *c;
+
+ avl_for_each_element(&handlers, p, avl) {
+ c = blobmsg_open_table(b, p->name);
+ blobmsg_add_u8(b, "no_device", !!(p->flags & PROTO_FLAG_NODEV));
+ blobmsg_close_table(b, c);
+ }
+}
+
+void
proto_init_interface(struct interface *iface, struct blob_attr *attr)
{
const struct proto_handler *proto = iface->proto_handler;