#include <syslog.h>
#include <libubus.h>
#include <libubox/uloop.h>
+#include <netinet/in.h>
#include <arpa/inet.h>
#include "odhcpd.h"
#include "dhcpv6.h"
#include "dhcpv4.h"
-
static struct ubus_context *ubus = NULL;
static struct ubus_subscriber netifd;
static struct blob_buf b;
static struct blob_attr *dump = NULL;
static uint32_t objid = 0;
-
+static struct ubus_request req_dump = { .list = LIST_HEAD_INIT(req_dump.list) };
static int handle_dhcpv4_leases(struct ubus_context *ctx, _unused struct ubus_object *obj,
struct ubus_request_data *req, _unused const char *method,
_unused struct blob_attr *msg)
{
- blob_buf_init(&b, 0);
- void *a = blobmsg_open_table(&b, "device");
+ struct interface *iface;
time_t now = odhcpd_time();
+ void *a;
+
+ blob_buf_init(&b, 0);
+ a = blobmsg_open_table(&b, "device");
- struct interface *iface;
list_for_each_entry(iface, &interfaces, head) {
- if (iface->dhcpv4 != RELAYD_SERVER)
+ if (iface->dhcpv4 != RELAYD_SERVER || iface->dhcpv4_assignments.next == NULL)
continue;
void *i = blobmsg_open_table(&b, iface->ifname);
void *j = blobmsg_open_array(&b, "leases");
- struct dhcpv4_assignment *lease;
- list_for_each_entry(lease, &iface->dhcpv4_assignments, head) {
- if (lease->valid_until < now)
+ struct dhcpv4_assignment *c;
+ list_for_each_entry(c, &iface->dhcpv4_assignments, head) {
+ if (!INFINITE_VALID(c->valid_until) && c->valid_until < now)
continue;
- void *l = blobmsg_open_table(&b, NULL);
-
+ void *m, *l = blobmsg_open_table(&b, NULL);
char *buf = blobmsg_alloc_string_buffer(&b, "mac", 13);
- odhcpd_hexlify(buf, lease->hwaddr, sizeof(lease->hwaddr));
+
+ odhcpd_hexlify(buf, c->hwaddr, sizeof(c->hwaddr));
blobmsg_add_string_buffer(&b);
- blobmsg_add_string(&b, "hostname", lease->hostname);
+ blobmsg_add_string(&b, "hostname", (c->hostname) ? c->hostname : "");
+
+ m = blobmsg_open_array(&b, "flags");
+ if (c->flags & OAF_BOUND)
+ blobmsg_add_string(&b, NULL, "bound");
+
+ if (c->flags & OAF_STATIC)
+ blobmsg_add_string(&b, NULL, "static");
+ blobmsg_close_array(&b, m);
buf = blobmsg_alloc_string_buffer(&b, "ip", INET_ADDRSTRLEN);
- struct in_addr addr = {htonl(lease->addr)};
+ struct in_addr addr = {htonl(c->addr)};
inet_ntop(AF_INET, &addr, buf, INET_ADDRSTRLEN);
blobmsg_add_string_buffer(&b);
- blobmsg_add_u32(&b, "valid", now - lease->valid_until);
+ blobmsg_add_u32(&b, "valid", INFINITE_VALID(c->valid_until) ?
+ (uint32_t)-1 : (uint32_t)(c->valid_until - now));
blobmsg_close_table(&b, l);
}
blobmsg_close_table(&b, a);
ubus_send_reply(ctx, req, b.head);
+
return 0;
}
+static void dhcpv6_blobmsg_ia_addr(struct in6_addr *addr, int prefix, uint32_t pref,
+ uint32_t valid, _unused void *arg)
+{
+ void *a = blobmsg_open_table(&b, NULL);
+ char *buf = blobmsg_alloc_string_buffer(&b, NULL, INET6_ADDRSTRLEN);
+
+ inet_ntop(AF_INET6, addr, buf, INET6_ADDRSTRLEN);
+ blobmsg_add_string_buffer(&b);
+ blobmsg_add_u32(&b, "preferred-lifetime",
+ pref == UINT32_MAX ? (uint32_t)-1 : pref);
+ blobmsg_add_u32(&b, "valid-lifetime",
+ valid == UINT32_MAX ? (uint32_t)-1 : valid);
+
+ if (prefix != 128)
+ blobmsg_add_u32(&b, "prefix-length", prefix);
+
+ blobmsg_close_table(&b, a);
+}
static int handle_dhcpv6_leases(_unused struct ubus_context *ctx, _unused struct ubus_object *obj,
_unused struct ubus_request_data *req, _unused const char *method,
_unused struct blob_attr *msg)
{
- blob_buf_init(&b, 0);
- void *a = blobmsg_open_table(&b, "device");
+ struct interface *iface;
time_t now = odhcpd_time();
+ void *a;
+
+ blob_buf_init(&b, 0);
+ a = blobmsg_open_table(&b, "device");
- struct interface *iface;
list_for_each_entry(iface, &interfaces, head) {
- if (iface->dhcpv6 != RELAYD_SERVER)
+ if (iface->dhcpv6 != RELAYD_SERVER || iface->ia_assignments.next == NULL)
continue;
void *i = blobmsg_open_table(&b, iface->ifname);
void *j = blobmsg_open_array(&b, "leases");
- struct dhcpv6_assignment *lease;
- list_for_each_entry(lease, &iface->ia_assignments, head) {
- if (lease->valid_until < now)
- continue;
+ struct dhcpv6_assignment *a, *border = list_last_entry(
+ &iface->ia_assignments, struct dhcpv6_assignment, head);
- void *l = blobmsg_open_table(&b, NULL);
+ list_for_each_entry(a, &iface->ia_assignments, head) {
+ if (a == border || (!INFINITE_VALID(a->valid_until) &&
+ a->valid_until < now))
+ continue;
+ void *m, *l = blobmsg_open_table(&b, NULL);
char *buf = blobmsg_alloc_string_buffer(&b, "duid", 264);
- odhcpd_hexlify(buf, lease->clid_data, lease->clid_len);
+
+ odhcpd_hexlify(buf, a->clid_data, a->clid_len);
blobmsg_add_string_buffer(&b);
- blobmsg_add_u32(&b, "iaid", ntohl(lease->iaid));
- blobmsg_add_string(&b, "hostname", (lease->hostname) ? lease->hostname : "");
- blobmsg_add_u32(&b, "assigned", lease->assigned);
- blobmsg_add_u32(&b, "length", lease->length);
-
- void *m = blobmsg_open_array(&b, "ipv6");
- struct in6_addr addr;
- for (size_t i = 0; i < iface->ia_addr_len; ++i) {
- if (iface->ia_addr[i].prefix > 64)
- continue;
-
- addr = iface->ia_addr[i].addr;
- if (lease->length == 128)
- addr.s6_addr32[3] = htonl(lease->assigned);
- else
- addr.s6_addr32[1] |= htonl(lease->assigned);
-
- char *c = blobmsg_alloc_string_buffer(&b, NULL, INET6_ADDRSTRLEN);
- inet_ntop(AF_INET6, &addr, c, INET6_ADDRSTRLEN);
- blobmsg_add_string_buffer(&b);
- }
+ blobmsg_add_u32(&b, "iaid", ntohl(a->iaid));
+ blobmsg_add_string(&b, "hostname", (a->hostname) ? a->hostname : "");
+ blobmsg_add_u32(&b, "assigned", a->assigned);
+
+ m = blobmsg_open_array(&b, "flags");
+ if (a->flags & OAF_BOUND)
+ blobmsg_add_string(&b, NULL, "bound");
+
+ if (a->flags & OAF_STATIC)
+ blobmsg_add_string(&b, NULL, "static");
+ blobmsg_close_array(&b, m);
+
+ m = blobmsg_open_array(&b, a->length == 128 ? "ipv6-addr": "ipv6-prefix");
+ dhcpv6_enum_ia_addrs(iface, a, now, dhcpv6_blobmsg_ia_addr, NULL);
blobmsg_close_table(&b, m);
- blobmsg_add_u32(&b, "valid", now - lease->valid_until);
+ blobmsg_add_u32(&b, "valid", INFINITE_VALID(a->valid_until) ?
+ (uint32_t)-1 : (uint32_t)(a->valid_until - now));
blobmsg_close_table(&b, l);
}
static void handle_dump(_unused struct ubus_request *req, _unused int type, struct blob_attr *msg)
{
- struct blob_attr *tb[DUMP_ATTR_INTERFACE];
+ struct blob_attr *tb[DUMP_ATTR_MAX];
blobmsg_parse(dump_attrs, DUMP_ATTR_MAX, tb, blob_data(msg), blob_len(msg));
if (!tb[DUMP_ATTR_INTERFACE])
}
+static void update_netifd(bool subscribe)
+{
+ if (subscribe)
+ ubus_subscribe(ubus, &netifd, objid);
+
+ ubus_abort_request(ubus, &req_dump);
+ if (!ubus_invoke_async(ubus, objid, "dump", NULL, &req_dump)) {
+ req_dump.data_cb = handle_dump;
+ ubus_complete_request_async(ubus, &req_dump);
+ }
+}
+
+
static int handle_update(_unused struct ubus_context *ctx, _unused struct ubus_object *obj,
_unused struct ubus_request_data *req, _unused const char *method,
struct blob_attr *msg)
if (iface && iface->ignore)
return 0;
- ubus_invoke(ubus, objid, "dump", NULL, handle_dump, NULL, 0);
+ update_netifd(false);
return 0;
}
-static void subscribe_netifd(void)
-{
- ubus_subscribe(ubus, &netifd, objid);
- ubus_invoke(ubus, objid, "dump", NULL, handle_dump, NULL, 0);
-}
-
-
void ubus_apply_network(void)
{
struct blob_attr *a;
return;
objid = blobmsg_get_u32(tb[OBJ_ATTR_ID]);
- subscribe_netifd();
+ update_netifd(true);
}
static struct ubus_event_handler event_handler = { .cb = handle_event };
continue;
if ((cur = tb[IFACE_ATTR_PREFIX])) {
- if (blobmsg_type(cur) != BLOBMSG_TYPE_ARRAY || !blobmsg_check_attr(cur, NULL))
+ if (blobmsg_type(cur) != BLOBMSG_TYPE_ARRAY || !blobmsg_check_attr(cur, false))
continue;
struct blob_attr *d;
}
-enum {
- ADDR_ATTR_ADDR,
- ADDR_ATTR_CLASS,
- ADDR_ATTR_MAX
-};
-
-static const struct blobmsg_policy addr_attrs[ADDR_ATTR_MAX] = {
- [ADDR_ATTR_ADDR] = { .name = "address", .type = BLOBMSG_TYPE_STRING },
- [ADDR_ATTR_CLASS] = { .name = "class", .type = BLOBMSG_TYPE_STRING },
-};
-
-bool ubus_get_class(const char *ifname, const struct in6_addr *addr, uint16_t *pclass)
-{
- struct blob_attr *c, *cur;
- unsigned rem;
-
- if (!dump)
- return false;
-
- blobmsg_for_each_attr(c, dump, rem) {
- struct blob_attr *tb[IFACE_ATTR_MAX];
- blobmsg_parse(iface_attrs, IFACE_ATTR_MAX, tb, blobmsg_data(c), blobmsg_data_len(c));
-
- if (!tb[IFACE_ATTR_IFNAME])
- continue;
-
- if (strcmp(ifname, blobmsg_get_string(tb[IFACE_ATTR_IFNAME])))
- continue;
-
- if ((cur = tb[IFACE_ATTR_ADDRESS])) {
- if (blobmsg_type(cur) != BLOBMSG_TYPE_ARRAY || !blobmsg_check_attr(cur, NULL))
- continue;
-
- struct blob_attr *d;
- unsigned drem;
- blobmsg_for_each_attr(d, cur, drem) {
- struct blob_attr *t[ADDR_ATTR_MAX];
- blobmsg_parse(addr_attrs, ADDR_ATTR_MAX, t, blobmsg_data(d), blobmsg_data_len(d));
-
- if (!t[ADDR_ATTR_ADDR] || !t[ADDR_ATTR_CLASS])
- continue;
-
- const char *addrs = blobmsg_get_string(t[ADDR_ATTR_ADDR]);
- const char *class = blobmsg_get_string(t[ADDR_ATTR_CLASS]);
-
- struct in6_addr ip6addr;
- inet_pton(AF_INET6, addrs, &ip6addr);
-
- if (IN6_ARE_ADDR_EQUAL(&ip6addr, addr)) {
- *pclass = atoi(class);
- return true;
- }
- }
- }
-
- return false;
- }
-
- return false;
-}
-
-
int init_ubus(void)
{
if (!(ubus = ubus_connect(NULL))) {
ubus_add_object(ubus, &main_object);
ubus_register_event_handler(ubus, &event_handler, "ubus.object.add");
if (!ubus_lookup_id(ubus, "network.interface", &objid))
- subscribe_netifd();
+ update_netifd(true);
return 0;
}
projects / project / odhcpd.git / blobdiff