target/linux/generic-2.4/patches/625-netfilter_nat_pptp_fix.patch

   1 --- a/net/ipv4/netfilter/ip_conntrack_pptp.c
   2 +++ b/net/ipv4/netfilter/ip_conntrack_pptp.c
   3 @@ -134,12 +134,11 @@ static int pptp_expectfn(struct ip_connt
   4  }
   5
   6  /* timeout GRE data connections */
   7 -static int pptp_timeout_related(struct ip_conntrack *ct)
   8 +static int pptp_timeout_related(struct ip_conntrack *ct, const struct iphdr *iph)
   9  {
  10         struct list_head *cur_item, *next;
  11         struct ip_conntrack_expect *exp;
  12         enum ip_conntrack_info ctinfo;
  13 -       struct iphdr *iph;
  14
  15         /* FIXME: do we have to lock something ? */
  16         for (cur_item = ct->sibling_list.next;
  17 @@ -245,7 +244,8 @@ pptp_inbound_pkt(struct tcphdr *tcph,
  18                  struct pptp_pkt_hdr *pptph,
  19                  size_t datalen,
  20                  struct ip_conntrack *ct,
  21 -                enum ip_conntrack_info ctinfo)
  22 +                enum ip_conntrack_info ctinfo,
  23 +                const struct iphdr *iph)
  24  {
  25         struct PptpControlHeader *ctlh;
  26          union pptp_ctrl_union pptpReq;
  27 @@ -377,7 +377,7 @@ pptp_inbound_pkt(struct tcphdr *tcph,
  28                 info->cstate = PPTP_CALL_NONE;
  29
  30                 /* untrack this call id, unexpect GRE packets */
  31 -               pptp_timeout_related(ct);
  32 +               pptp_timeout_related(ct, iph);
  33                 break;
  34
  35         case PPTP_WAN_ERROR_NOTIFY:
  36 @@ -539,7 +539,7 @@ conntrack_pptp_help(const struct iphdr *
  37                 info->cstate = PPTP_CALL_NONE;
  38
  39                 /* untrack this call id, unexpect GRE packets */
  40 -               pptp_timeout_related(ct);
  41 +               pptp_timeout_related(ct, iph);
  42         }
  43
  44
  45 @@ -571,7 +571,7 @@ conntrack_pptp_help(const struct iphdr *
  46                 ret = pptp_outbound_pkt(tcph, pptph, datalen, ct, ctinfo);
  47         else
  48                 /* server -> client (PAC -> PNS) */
  49 -               ret = pptp_inbound_pkt(tcph, pptph, datalen, ct, ctinfo);
  50 +               ret = pptp_inbound_pkt(tcph, pptph, datalen, ct, ctinfo, iph);
  51         DEBUGP("sstate: %d->%d, cstate: %d->%d\n",
  52                 oldsstate, info->sstate, oldcstate, info->cstate);
  53         UNLOCK_BH(&ip_pptp_lock);