- if (!mangle_sip_packet(pskb, ctinfo, ct, dptr,
- (*pskb)->len - dataoff,
- buffer, bufflen, &ct_sip_hdrs[POS_VIA]))
- return 0;
-
- /* This search should ignore case, but later.. */
- aux = ct_sip_search("CSeq:", *dptr, sizeof("CSeq:") - 1,
- (*pskb)->len - dataoff);
- if (!aux)
- return 0;
-
- if (!ct_sip_search("REGISTER", aux, sizeof("REGISTER"),
- ct_sip_lnlen(aux, *dptr + (*pskb)->len - dataoff)))
- return 1;
-
- return mangle_sip_packet(pskb, ctinfo, ct, dptr,
- (*pskb)->len - dataoff,
- buffer, bufflen,
- &ct_sip_hdrs[POS_CONTACT]);
- }
- if ((ctinfo) < IP_CT_IS_REPLY) {
- if (!mangle_sip_packet(pskb, ctinfo, ct, dptr,
- (*pskb)->len - dataoff,
- buffer, bufflen, &ct_sip_hdrs[POS_VIA]))
- return 0;
-
- /* Mangle Contact if exists only. - watch udp_nat_mangle()! */
- mangle_sip_packet(pskb, ctinfo, ct, dptr, (*pskb)->len - dataoff,
- buffer, bufflen, &ct_sip_hdrs[POS_CONTACT]);
- return 1;
- }
- /* This mangle requests headers. */
- return mangle_sip_packet(pskb, ctinfo, ct, dptr,
- ct_sip_lnlen(*dptr,
- *dptr + (*pskb)->len - dataoff),
- buffer, bufflen, &ct_sip_hdrs[POS_REQ_HEADER]);