static void dealias_prefixscan_free(void *data)
{
scamper_dealias_prefixscan_t *prefixscan = data;
uint16_t i;
if(prefixscan == NULL)
return;
if(prefixscan->a != NULL) scamper_addr_free(prefixscan->a);
if(prefixscan->b != NULL) scamper_addr_free(prefixscan->b);
if(prefixscan->ab != NULL) scamper_addr_free(prefixscan->ab);
if(prefixscan->xs != NULL)
{
for(i=0; i<prefixscan->xc; i++)
if(prefixscan->xs[i] != NULL)
scamper_addr_free(prefixscan->xs[i]);
free(prefixscan->xs);
}
if(prefixscan->probedefs != NULL)
{
for(i=0; i<prefixscan->probedefc; i++)
dealias_probedef_free(&prefixscan->probedefs[i]);
free(prefixscan->probedefs);
}
free(prefixscan);
return;
}
static int warts_trace_dtree_read(scamper_trace_t *trace, warts_state_t *state,
warts_addrtable_t *table, const uint8_t *buf,
uint32_t *off, uint32_t len)
{
scamper_addr_t *lss_stop = NULL, *gss_stop = NULL;
uint8_t firsthop = 0, flags = 0;
char *lss = NULL;
warts_param_reader_t handlers[] = {
{&lss_stop, (wpr_t)extract_addr_gid, state},
{&gss_stop, (wpr_t)extract_addr_gid, state},
{&firsthop, (wpr_t)extract_byte, NULL},
{&lss_stop, (wpr_t)extract_addr, table},
{&gss_stop, (wpr_t)extract_addr, table},
{&lss, (wpr_t)extract_string, NULL},
{&flags, (wpr_t)extract_byte, NULL},
};
const int handler_cnt = sizeof(handlers)/sizeof(warts_param_reader_t);
if(scamper_trace_dtree_alloc(trace) != 0 ||
warts_params_read(buf, off, len, handlers, handler_cnt) != 0)
{
if(lss_stop != NULL) scamper_addr_free(lss_stop);
if(gss_stop != NULL) scamper_addr_free(gss_stop);
if(lss != NULL) free(lss);
return -1;
}
trace->dtree->lss_stop = lss_stop;
trace->dtree->gss_stop = gss_stop;
trace->dtree->firsthop = firsthop;
trace->dtree->lss = lss;
trace->dtree->flags = flags;
return 0;
}
static void addr2mac_free(addr2mac_t *addr2mac)
{
if(addr2mac->ip != NULL) scamper_addr_free(addr2mac->ip);
if(addr2mac->mac != NULL) scamper_addr_free(addr2mac->mac);
free(addr2mac);
return;
}
static void dealias_probedef_free(scamper_dealias_probedef_t *probedef)
{
if(probedef->src != NULL)
{
scamper_addr_free(probedef->src);
probedef->src = NULL;
}
if(probedef->dst != NULL)
{
scamper_addr_free(probedef->dst);
probedef->dst = NULL;
}
return;
}
static int addr2mac_add(const int ifindex, const int type, const void *ipraw,
const void *macraw, const time_t expire)
{
const int mt = SCAMPER_ADDR_TYPE_ETHERNET;
scamper_addr_t *mac = NULL;
scamper_addr_t *ip = NULL;
addr2mac_t *addr2mac = NULL;
char ipstr[128], macstr[128];
if((ip = scamper_addrcache_get(addrcache, type, ipraw)) == NULL)
{
printerror(errno, strerror, __func__, "could not get ip");
goto err;
}
if((mac = scamper_addrcache_get(addrcache, mt, macraw)) == NULL)
{
printerror(errno, strerror, __func__, "could not get mac");
goto err;
}
if((addr2mac = addr2mac_alloc(ifindex, ip, mac, expire)) == NULL)
{
goto err;
}
scamper_addr_free(ip); ip = NULL;
scamper_addr_free(mac); mac = NULL;
if(splaytree_insert(tree, addr2mac) == NULL)
{
printerror(errno, strerror, __func__, "could not add %s:%s to tree",
scamper_addr_tostr(addr2mac->ip, ipstr, sizeof(ipstr)),
scamper_addr_tostr(addr2mac->mac, macstr, sizeof(macstr)));
goto err;
}
scamper_debug(__func__, "ifindex %d ip %s mac %s expire %d", ifindex,
scamper_addr_tostr(addr2mac->ip, ipstr, sizeof(ipstr)),
scamper_addr_tostr(addr2mac->mac, macstr, sizeof(macstr)),
expire);
return 0;
err:
if(addr2mac != NULL) addr2mac_free(addr2mac);
if(mac != NULL) scamper_addr_free(mac);
if(ip != NULL) scamper_addr_free(ip);
return -1;
}
static void firewall_rule_free(scamper_firewall_rule_t *sfw)
{
if(sfw == NULL)
{
return;
}
if(sfw->sfw_5tuple_src != NULL)
scamper_addr_free(sfw->sfw_5tuple_src);
if(sfw->sfw_5tuple_dst != NULL)
scamper_addr_free(sfw->sfw_5tuple_dst);
free(sfw);
return;
}
void scamper_route_free(scamper_route_t *route)
{
if(route == NULL)
return;
#ifndef _WIN32
if(route->internal != NULL)
rtsock_pair_free(route->internal);
#endif
if(route->dst != NULL)
scamper_addr_free(route->dst);
if(route->gw != NULL)
scamper_addr_free(route->gw);
free(route);
return;
}
void scamper_dealias_reply_free(scamper_dealias_reply_t *reply)
{
if(reply->src != NULL)
scamper_addr_free(reply->src);
free(reply);
return;
}
void scamper_task_sig_free(scamper_task_sig_t *sig)
{
if(sig == NULL)
return;
switch(sig->sig_type)
{
case SCAMPER_TASK_SIG_TYPE_TX_IP:
if(sig->sig_tx_ip_dst != NULL) scamper_addr_free(sig->sig_tx_ip_dst);
if(sig->sig_tx_ip_src != NULL) scamper_addr_free(sig->sig_tx_ip_src);
break;
case SCAMPER_TASK_SIG_TYPE_TX_ND:
if(sig->sig_tx_nd_ip != NULL) scamper_addr_free(sig->sig_tx_nd_ip);
break;
case SCAMPER_TASK_SIG_TYPE_SNIFF:
if(sig->sig_sniff_src != NULL) scamper_addr_free(sig->sig_sniff_src);
break;
}
free(sig);
return;
}
