/* User-kernel network link */
+/*
+ * This file is part of secnet.
+ * See README for full list of copyright holders.
+ *
+ * secnet is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * secnet is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 3 along with secnet; if not, see
+ * https://www.gnu.org/licenses/gpl.html.
+ */
+
/* See RFCs 791, 792, 1123 and 1812 */
/* The netlink device is actually a router. Tunnels are unnumbered
/* We include the first 8 bytes of the packet data, provided they exist */
hlen+=8;
plen=ntohs(iph->tot_len);
- return (hlen>plen?plen:hlen);
+ return MIN(hlen,plen);
}
/* client indicates where the packet we're constructing a response to
struct iphdr *iph=(struct iphdr *)buf->start;
int32_t len;
- if (iph->ihl < 5) BAD("ihl %u",iph->ihl);
if (iph->version != 4) BAD("version %u",iph->version);
+ if (iph->ihl < 5) BAD("ihl %u",iph->ihl);
if (buf->size < iph->ihl*4) BAD("size %"PRId32"<%u*4",buf->size,iph->ihl);
if (ip_fast_csum((uint8_t *)iph, iph->ihl)!=0) BAD("csum");
len=ntohs(iph->tot_len);
for (i=0; i<snets->entries; i++) {
net=subnet_to_string(snets->list[i]);
Message(loglevel,"%s ",net);
- free(net);
}
}
for (i=0; i<st->subnets->entries; i++) {
net=subnet_to_string(st->subnets->list[i]);
Message(c,"%s ",net);
- free(net);
}
if (i>0)
Message(c,"-> host (use %d)\n",st->outcount);
/* All the networks serviced by the various tunnels should now
* have been registered. We build a routing table by sorting the
* clients by priority. */
- st->routes=safe_malloc_ary(sizeof(*st->routes),st->n_clients,
- "netlink_phase_hook");
+ NEW_ARY(st->routes,st->n_clients);
/* Fill the table */
i=0;
for (c=st->clients; c; c=c->next) {
return NULL;
}
- c=safe_malloc(sizeof(*c),"netlink_inst_create");
+ NEW(c);
c->cl.description=name;
c->cl.type=CL_NETLINK;
c->cl.apply=NULL;
item_t *item;
dict_t *dict;
- st=safe_malloc(sizeof(*st),"null_apply");
+ NEW(st);
item=list_elem(args,0);
if (!item || item->type!=t_dict)