+ /* Must specify proto == AH, and no unknown invflags */
+ if (ip->proto != IPPROTO_AH || (ip->invflags & IPT_INV_PROTO)) {
+ duprintf("ipt_ah: Protocol %u != %u\n", ip->proto,
+ IPPROTO_AH);
+ return 0;
+ }
+ if (matchinfosize != IPT_ALIGN(sizeof(struct ipt_ah))) {
+ duprintf("ipt_ah: matchsize %u != %u\n",
+ matchinfosize, IPT_ALIGN(sizeof(struct ipt_ah)));
+ return 0;
+ }