#include <netinet/in.h>
#include <netinet/icmp6.h>
#include <netinet/ether.h>
-#include <net/if.h>
#include <stdbool.h>
#include <syslog.h>
-#include "libubox/blobmsg.h"
+#include <libubox/blobmsg.h>
#ifndef typeof
#define typeof __typeof
(type *)( (char *)ptr - offsetof(type,member) ))
#endif
-#include "libubox/list.h"
-#include "libubox/uloop.h"
+#include <libubox/list.h>
+#include <libubox/uloop.h>
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
#define ND_OPT_DNS_SEARCH 31
#define RELAYD_BUFFER_SIZE 8192
-#define RELAYD_MAX_PREFIXES 8
-#define RELAYD_MAX_ADDRS 8
#define INFINITE_VALID(x) ((x) == 0)
#define ALL_IPV6_ROUTERS {{{0xff, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,\
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02}}}
+#define IN6_IS_ADDR_ULA(a) (((a)->s6_addr32[0] & htonl(0xfe000000)) == htonl(0xfc000000))
struct interface;
+struct nl_sock;
extern struct list_head leases;
struct odhcpd_event {
struct uloop_fd uloop;
void (*handle_dgram)(void *addr, void *data, size_t len,
struct interface *iface, void *dest_addr);
- void (*handle_error)(int error);
+ void (*handle_error)(struct odhcpd_event *e, int error);
+ void (*recv_msgs)(struct odhcpd_event *e);
};
+union if_addr {
+ struct in_addr in;
+ struct in6_addr in6;
+};
struct odhcpd_ipaddr {
- struct in6_addr addr;
+ union if_addr addr;
uint8_t prefix;
+
+ /* ipv6 only */
uint8_t dprefix;
uint32_t preferred;
uint32_t valid;
struct config {
bool legacy;
+ bool main_dhcpv4;
char *dhcp_cb;
char *dhcp_statefile;
+ int log_level;
} config;
struct list_head head;
int ifindex;
- char ifname[IF_NAMESIZE];
- char name[IF_NAMESIZE];
+ char *ifname;
+ const char *name;
// Runtime data
struct uloop_timeout timer_rs;
struct list_head ia_assignments;
- struct odhcpd_ipaddr ia_addr[RELAYD_MAX_ADDRS];
+ struct odhcpd_ipaddr *ia_addr;
size_t ia_addr_len;
- bool ia_reconf;
// DHCPv4
struct odhcpd_event dhcpv6_event;
bool always_rewrite_dns;
bool ra_not_onlink;
bool ra_advrouter;
+ bool ra_useleasetime;
bool no_dynamic_dhcp;
+ // RA
int learn_routes;
int default_router;
int managed;
int route_preference;
int ra_maxinterval;
+ int ra_mininterval;
+ int ra_lifetime;
+ uint32_t ra_reachabletime;
+ uint32_t ra_retranstime;
+ uint32_t ra_hoplimit;
+ int ra_mtu;
// DHCPv4
struct in_addr dhcpv4_start;
// Exported main functions
-int odhcpd_open_rtnl(void);
int odhcpd_register(struct odhcpd_event *event);
+int odhcpd_deregister(struct odhcpd_event *event);
void odhcpd_process(struct odhcpd_event *event);
+struct nl_sock *odhcpd_create_nl_socket(int protocol);
ssize_t odhcpd_send(int socket, struct sockaddr_in6 *dest,
struct iovec *iov, size_t iov_len,
const struct interface *iface);
-ssize_t odhcpd_get_interface_addresses(int ifindex,
- struct odhcpd_ipaddr *addrs, size_t cnt);
-int odhcpd_get_linklocal_interface_address(int ifindex, struct in6_addr *lladdr);
+ssize_t odhcpd_get_interface_addresses(int ifindex, bool v6,
+ struct odhcpd_ipaddr **addrs);
+int odhcpd_get_interface_dns_addr(const struct interface *iface,
+ struct in6_addr *addr);
struct interface* odhcpd_get_interface_by_name(const char *name);
int odhcpd_get_interface_config(const char *ifname, const char *what);
int odhcpd_get_mac(const struct interface *iface, uint8_t mac[6]);
struct interface* odhcpd_get_interface_by_index(int ifindex);
struct interface* odhcpd_get_master_interface(void);
int odhcpd_urandom(void *data, size_t len);
-void odhcpd_setup_route(const struct in6_addr *addr, int prefixlen,
+int odhcpd_setup_route(const struct in6_addr *addr, const int prefixlen,
const struct interface *iface, const struct in6_addr *gw,
- int metric, bool add);
+ const uint32_t metric, const bool add);
+int odhcpd_setup_proxy_neigh(const struct in6_addr *addr,
+ const struct interface *iface, const bool add);
void odhcpd_run(void);
time_t odhcpd_time(void);