diff options
Diffstat (limited to 'src/parpd.h')
| -rw-r--r-- | src/parpd.h | 37 |
1 files changed, 31 insertions, 6 deletions
diff --git a/src/parpd.h b/src/parpd.h index 79182de..513e1a2 100644 --- a/src/parpd.h +++ b/src/parpd.h @@ -35,14 +35,29 @@ #include <sys/rbtree.h> #endif -#define VERSION "1.99" -#define PARPD_CONF SYSCONFDIR "/parpd.conf" +#define VERSION "1.99" +#define PARPD_CONF SYSCONFDIR "/parpd.conf" -#define HWADDR_LEN 20 +#define HWADDR_LEN 20 -#define PARPD_IGNORE 0 -#define PARPD_PROXY 1 -#define PARPD_HALFPROXY 2 +#define PARPD_IGNORE 0 +#define PARPD_PROXY 1 +#define PARPD_HALFPROXY 2 +#define PARPD_ATTACK 3 + +/* RFC 5227 Section 1.1 */ +#define ANNOUNCE_NUM 2 +#define ANNOUNCE_INTERVAL 2 + +/* Expire addresses to attack in a timely manner. */ +#define ATTACK_EXPIRE (ANNOUNCE_NUM * ANNOUNCE_INTERVAL) + 1 + +struct ipaddr { + rb_node_t rbtree; + struct interface *ifp; + in_addr_t ipaddr; + size_t nannounced; +}; struct pent { rb_node_t rbtree; @@ -56,6 +71,7 @@ struct pent { struct interface { rb_node_t rbtree; + struct ctx *ctx; char ifname[IF_NAMESIZE]; sa_family_t family; unsigned char hwaddr[HWADDR_LEN]; @@ -64,6 +80,15 @@ struct interface size_t buffer_size, buffer_len, buffer_pos; unsigned char *buffer; rb_tree_t pents; + rb_tree_t ipaddrs; +}; + +struct ctx { + struct eloop *eloop; + const char *cffile; + time_t config_mtime; + rb_tree_t ifaces; + rb_tree_t pents; }; int bpf_open_arp(struct interface *); |