[NETFILTER]: PPTP conntrack: remove unnecessary cid/pcid header pointers
Just the values are needed, not the memory locations. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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6013c0a13e
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857c06da2b
@ -334,7 +334,7 @@ pptp_inbound_pkt(struct sk_buff **pskb,
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union pptp_ctrl_union _pptpReq, *pptpReq;
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struct ip_ct_pptp_master *info = &ct->help.ct_pptp_info;
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u_int16_t msg;
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__be16 *cid, *pcid;
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__be16 cid, pcid;
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ctlh = skb_header_pointer(*pskb, nexthdr_off, sizeof(_ctlh), &_ctlh);
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if (!ctlh) {
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@ -414,23 +414,23 @@ pptp_inbound_pkt(struct sk_buff **pskb,
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break;
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}
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cid = &pptpReq->ocack.callID;
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pcid = &pptpReq->ocack.peersCallID;
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cid = pptpReq->ocack.callID;
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pcid = pptpReq->ocack.peersCallID;
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info->pac_call_id = *cid;
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info->pac_call_id = cid;
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if (info->pns_call_id != *pcid) {
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if (info->pns_call_id != pcid) {
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DEBUGP("%s for unknown callid %u\n",
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pptp_msg_name[msg], ntohs(*pcid));
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pptp_msg_name[msg], ntohs(pcid));
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break;
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}
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DEBUGP("%s, CID=%X, PCID=%X\n", pptp_msg_name[msg],
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ntohs(*cid), ntohs(*pcid));
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ntohs(cid), ntohs(pcid));
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info->cstate = PPTP_CALL_OUT_CONF;
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exp_gre(ct, *cid, *pcid);
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exp_gre(ct, cid, pcid);
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break;
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case PPTP_IN_CALL_REQUEST:
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@ -444,10 +444,10 @@ pptp_inbound_pkt(struct sk_buff **pskb,
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DEBUGP("%s but no session\n", pptp_msg_name[msg]);
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break;
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}
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pcid = &pptpReq->icack.peersCallID;
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DEBUGP("%s, PCID=%X\n", pptp_msg_name[msg], ntohs(*pcid));
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pcid = pptpReq->icack.peersCallID;
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DEBUGP("%s, PCID=%X\n", pptp_msg_name[msg], ntohs(pcid));
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info->cstate = PPTP_CALL_IN_REQ;
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info->pac_call_id = *pcid;
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info->pac_call_id = pcid;
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break;
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case PPTP_IN_CALL_CONNECT:
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@ -468,20 +468,20 @@ pptp_inbound_pkt(struct sk_buff **pskb,
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break;
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}
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pcid = &pptpReq->iccon.peersCallID;
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cid = &info->pac_call_id;
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pcid = pptpReq->iccon.peersCallID;
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cid = info->pac_call_id;
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if (info->pns_call_id != *pcid) {
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if (info->pns_call_id != pcid) {
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DEBUGP("%s for unknown CallID %u\n",
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pptp_msg_name[msg], ntohs(*pcid));
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pptp_msg_name[msg], ntohs(pcid));
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break;
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}
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DEBUGP("%s, PCID=%X\n", pptp_msg_name[msg], ntohs(*pcid));
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DEBUGP("%s, PCID=%X\n", pptp_msg_name[msg], ntohs(pcid));
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info->cstate = PPTP_CALL_IN_CONF;
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/* we expect a GRE connection from PAC to PNS */
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exp_gre(ct, *cid, *pcid);
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exp_gre(ct, cid, pcid);
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break;
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case PPTP_CALL_DISCONNECT_NOTIFY:
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@ -491,8 +491,8 @@ pptp_inbound_pkt(struct sk_buff **pskb,
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}
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/* server confirms disconnect */
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cid = &pptpReq->disc.callID;
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DEBUGP("%s, CID=%X\n", pptp_msg_name[msg], ntohs(*cid));
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cid = pptpReq->disc.callID;
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DEBUGP("%s, CID=%X\n", pptp_msg_name[msg], ntohs(cid));
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info->cstate = PPTP_CALL_NONE;
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/* untrack this call id, unexpect GRE packets */
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@ -534,7 +534,7 @@ pptp_outbound_pkt(struct sk_buff **pskb,
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union pptp_ctrl_union _pptpReq, *pptpReq;
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struct ip_ct_pptp_master *info = &ct->help.ct_pptp_info;
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u_int16_t msg;
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__be16 *cid, *pcid;
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__be16 cid, pcid;
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ctlh = skb_header_pointer(*pskb, nexthdr_off, sizeof(_ctlh), &_ctlh);
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if (!ctlh)
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@ -580,9 +580,9 @@ pptp_outbound_pkt(struct sk_buff **pskb,
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}
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info->cstate = PPTP_CALL_OUT_REQ;
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/* track PNS call id */
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cid = &pptpReq->ocreq.callID;
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DEBUGP("%s, CID=%X\n", pptp_msg_name[msg], ntohs(*cid));
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info->pns_call_id = *cid;
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cid = pptpReq->ocreq.callID;
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DEBUGP("%s, CID=%X\n", pptp_msg_name[msg], ntohs(cid));
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info->pns_call_id = cid;
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break;
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case PPTP_IN_CALL_REPLY:
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if (reqlen < sizeof(_pptpReq.icack)) {
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@ -601,16 +601,16 @@ pptp_outbound_pkt(struct sk_buff **pskb,
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info->cstate = PPTP_CALL_NONE;
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break;
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}
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pcid = &pptpReq->icack.peersCallID;
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if (info->pac_call_id != *pcid) {
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pcid = pptpReq->icack.peersCallID;
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if (info->pac_call_id != pcid) {
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DEBUGP("%s for unknown call %u\n",
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pptp_msg_name[msg], ntohs(*pcid));
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pptp_msg_name[msg], ntohs(pcid));
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break;
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}
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DEBUGP("%s, CID=%X\n", pptp_msg_name[msg], ntohs(*pcid));
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DEBUGP("%s, CID=%X\n", pptp_msg_name[msg], ntohs(pcid));
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/* part two of the three-way handshake */
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info->cstate = PPTP_CALL_IN_REP;
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info->pns_call_id = pptpReq->icack.callID;
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info->pns_call_id = pcid;
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break;
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case PPTP_CALL_CLEAR_REQUEST:
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