*/
/* Changes:
- * yoshfuji : ensure not to overrun while parsing
+ * yoshfuji : ensure not to overrun while parsing
* tlv options.
* Mitsuru KANDA @USAGI and: Remove ipv6_parse_exthdrs().
* YOSHIFUJI Hideaki @USAGI Register inbound extension header
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/sockios.h>
-#include <linux/sched.h>
#include <linux/net.h>
#include <linux/netdevice.h>
#include <linux/in6.h>
goto bad;
for (curr=procs; curr->type >= 0; curr++) {
if (curr->type == skb->nh.raw[off]) {
- /* type specific length/alignment
- checks will be performed in the
+ /* type specific length/alignment
+ checks will be performed in the
func(). */
if (curr->func(skbp, off) == 0)
return 0;
struct inet6_skb_parm *opt = IP6CB(skb);
struct in6_addr *addr = NULL;
struct in6_addr daddr;
+ struct inet6_dev *idev;
int n, i;
-
struct ipv6_rt_hdr *hdr;
struct rt0_hdr *rthdr;
+ int accept_source_route = ipv6_devconf.accept_source_route;
+
+ if (accept_source_route < 0 ||
+ ((idev = in6_dev_get(skb->dev)) == NULL)) {
+ kfree_skb(skb);
+ return -1;
+ }
+ if (idev->cnf.accept_source_route < 0) {
+ in6_dev_put(idev);
+ kfree_skb(skb);
+ return -1;
+ }
+
+ if (accept_source_route > idev->cnf.accept_source_route)
+ accept_source_route = idev->cnf.accept_source_route;
+
+ in6_dev_put(idev);
if (!pskb_may_pull(skb, (skb->h.raw-skb->data)+8) ||
!pskb_may_pull(skb, (skb->h.raw-skb->data)+((skb->h.raw[1]+1)<<3))) {
hdr = (struct ipv6_rt_hdr *) skb->h.raw;
+ switch (hdr->type) {
+#ifdef CONFIG_IPV6_MIP6
+ break;
+#endif
+ case IPV6_SRCRT_TYPE_0:
+ if (accept_source_route > 0)
+ break;
+ kfree_skb(skb);
+ return -1;
+ default:
+ IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
+ IPSTATS_MIB_INHDRERRORS);
+ icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->type) - skb->nh.raw);
+ return -1;
+ }
+
if (ipv6_addr_is_multicast(&skb->nh.ipv6h->daddr) ||
skb->pkt_type != PACKET_HOST) {
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
}
break;
#endif
- default:
- IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
- IPSTATS_MIB_INHDRERRORS);
- icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, (&hdr->type) - skb->nh.raw);
- return -1;
}
/*
For now we need to test the engine, so that I created
temporary (or permanent) backdoor.
If listening socket set IPV6_RTHDR to 2, then we invert header.
- --ANK (980729)
+ --ANK (980729)
*/
struct ipv6_txoptions *
return 1;
}
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_ra: wrong RA length %d\n",
- skb->nh.raw[optoff+1]);
+ skb->nh.raw[optoff+1]);
kfree_skb(skb);
return 0;
}
if (skb->nh.raw[optoff+1] != 4 || (optoff&3) != 2) {
LIMIT_NETDEBUG(KERN_DEBUG "ipv6_hop_jumbo: wrong jumbo opt length/alignment %d\n",
- skb->nh.raw[optoff+1]);
+ skb->nh.raw[optoff+1]);
IP6_INC_STATS_BH(ip6_dst_idev(skb->dst),
IPSTATS_MIB_INHDRERRORS);
goto drop;
int hops;
ihdr = (struct rt0_hdr *) opt;
-
+
phdr = (struct rt0_hdr *) skb_push(skb, (ihdr->rt_hdr.hdrlen + 1) << 3);
memcpy(phdr, ihdr, sizeof(struct rt0_hdr));