| #ifndef __NF_CONNTRACK_SIP_H__ |
| #define __NF_CONNTRACK_SIP_H__ |
| #ifdef __KERNEL__ |
| |
| #define SIP_PORT 5060 |
| #define SIP_TIMEOUT 3600 |
| |
| enum sip_header_pos { |
| POS_REG_REQ_URI, |
| POS_REQ_URI, |
| POS_FROM, |
| POS_TO, |
| POS_VIA, |
| POS_CONTACT, |
| POS_CONTENT, |
| POS_MEDIA, |
| POS_OWNER_IP4, |
| POS_CONNECTION_IP4, |
| POS_OWNER_IP6, |
| POS_CONNECTION_IP6, |
| POS_SDP_HEADER, |
| }; |
| |
| extern unsigned int (*nf_nat_sip_hook)(struct sk_buff *skb, |
| enum ip_conntrack_info ctinfo, |
| struct nf_conn *ct, |
| const char **dptr); |
| extern unsigned int (*nf_nat_sdp_hook)(struct sk_buff *skb, |
| enum ip_conntrack_info ctinfo, |
| struct nf_conntrack_expect *exp, |
| const char *dptr); |
| |
| extern int ct_sip_get_info(struct nf_conn *ct, const char *dptr, size_t dlen, |
| unsigned int *matchoff, unsigned int *matchlen, |
| enum sip_header_pos pos); |
| extern int ct_sip_lnlen(const char *line, const char *limit); |
| extern const char *ct_sip_search(const char *needle, const char *haystack, |
| size_t needle_len, size_t haystack_len, |
| int case_sensitive); |
| #endif /* __KERNEL__ */ |
| #endif /* __NF_CONNTRACK_SIP_H__ */ |