-/*
- look for a connection associated with the given vpn ip,
- return its connection structure
-*/
-conn_list_t *lookup_conn(ip_t ip)
-{
- conn_list_t *p = conn_list;
-cp
- /* Exact match suggested by James B. MacLean */
- for(p = conn_list; p != NULL; p = p->next)
- if(ip == p->vpn_ip)
- return p;
- for(p = conn_list; p != NULL; p = p->next)
- if((ip & p->vpn_mask) == (p->vpn_ip & p->vpn_mask))
- return p;
-cp
- return NULL;
-}
-
-/*
- free a queue and all of its elements
-*/
-void destroy_queue(packet_queue_t *pq)
-{
- queue_element_t *p, *q;
-cp
- for(p = pq->head; p != NULL; p = q)
- {
- q = p->next;
- if(p->packet)
- free(p->packet);
- free(p);
- }
-
- free(pq);
-cp
-}
-
-/*
- free a conn_list_t element and all its pointers
-*/
-void free_conn_element(conn_list_t *p)
-{
-cp
- if(p->hostname)
- free(p->hostname);
- if(p->sq)
- destroy_queue(p->sq);
- if(p->rq)
- destroy_queue(p->rq);
- free_key(p->public_key);
- free_key(p->key);
- free(p);
-cp
-}
-
-/*
- remove all marked connections
-*/
-void prune_conn_list(void)
-{
- conn_list_t *p, *prev = NULL, *next = NULL;
-cp
- for(p = conn_list; p != NULL; )
- {
- next = p->next;
-
- if(p->status.remove)
- {
- if(prev)
- prev->next = next;
- else
- conn_list = next;
-
- free_conn_element(p);
- }
- else
- prev = p;