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path: root/include/linux/netfilter/nf_conntrack_sip.h
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Diffstat (limited to 'include/linux/netfilter/nf_conntrack_sip.h')
-rw-r--r--include/linux/netfilter/nf_conntrack_sip.h162
1 files changed, 85 insertions, 77 deletions
diff --git a/include/linux/netfilter/nf_conntrack_sip.h b/include/linux/netfilter/nf_conntrack_sip.h
index ba7f571a2b1c..d5af3c27fb7d 100644
--- a/include/linux/netfilter/nf_conntrack_sip.h
+++ b/include/linux/netfilter/nf_conntrack_sip.h
@@ -107,85 +107,93 @@ enum sdp_header_types {
SDP_HDR_MEDIA,
};
-extern unsigned int (*nf_nat_sip_hook)(struct sk_buff *skb,
- unsigned int protoff,
- unsigned int dataoff,
- const char **dptr,
- unsigned int *datalen);
-extern void (*nf_nat_sip_seq_adjust_hook)(struct sk_buff *skb,
- unsigned int protoff, s16 off);
-extern unsigned int (*nf_nat_sip_expect_hook)(struct sk_buff *skb,
- unsigned int protoff,
- unsigned int dataoff,
- const char **dptr,
- unsigned int *datalen,
- struct nf_conntrack_expect *exp,
- unsigned int matchoff,
- unsigned int matchlen);
-extern unsigned int (*nf_nat_sdp_addr_hook)(struct sk_buff *skb,
- unsigned int protoff,
- unsigned int dataoff,
- const char **dptr,
- unsigned int *datalen,
- unsigned int sdpoff,
- enum sdp_header_types type,
- enum sdp_header_types term,
- const union nf_inet_addr *addr);
-extern unsigned int (*nf_nat_sdp_port_hook)(struct sk_buff *skb,
- unsigned int protoff,
- unsigned int dataoff,
- const char **dptr,
- unsigned int *datalen,
- unsigned int matchoff,
- unsigned int matchlen,
- u_int16_t port);
-extern unsigned int (*nf_nat_sdp_session_hook)(struct sk_buff *skb,
- unsigned int protoff,
- unsigned int dataoff,
- const char **dptr,
- unsigned int *datalen,
- unsigned int sdpoff,
- const union nf_inet_addr *addr);
-extern unsigned int (*nf_nat_sdp_media_hook)(struct sk_buff *skb,
- unsigned int protoff,
- unsigned int dataoff,
- const char **dptr,
- unsigned int *datalen,
- struct nf_conntrack_expect *rtp_exp,
- struct nf_conntrack_expect *rtcp_exp,
- unsigned int mediaoff,
- unsigned int medialen,
- union nf_inet_addr *rtp_addr);
-
-extern int ct_sip_parse_request(const struct nf_conn *ct,
- const char *dptr, unsigned int datalen,
- unsigned int *matchoff, unsigned int *matchlen,
- union nf_inet_addr *addr, __be16 *port);
-extern int ct_sip_get_header(const struct nf_conn *ct, const char *dptr,
- unsigned int dataoff, unsigned int datalen,
- enum sip_header_types type,
- unsigned int *matchoff, unsigned int *matchlen);
-extern int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr,
- unsigned int *dataoff, unsigned int datalen,
- enum sip_header_types type, int *in_header,
- unsigned int *matchoff, unsigned int *matchlen,
- union nf_inet_addr *addr, __be16 *port);
-extern int ct_sip_parse_address_param(const struct nf_conn *ct, const char *dptr,
- unsigned int dataoff, unsigned int datalen,
- const char *name,
- unsigned int *matchoff, unsigned int *matchlen,
- union nf_inet_addr *addr, bool delim);
-extern int ct_sip_parse_numerical_param(const struct nf_conn *ct, const char *dptr,
- unsigned int off, unsigned int datalen,
- const char *name,
- unsigned int *matchoff, unsigned int *matchen,
- unsigned int *val);
-
-extern int ct_sip_get_sdp_header(const struct nf_conn *ct, const char *dptr,
- unsigned int dataoff, unsigned int datalen,
+struct nf_nat_sip_hooks {
+ unsigned int (*msg)(struct sk_buff *skb,
+ unsigned int protoff,
+ unsigned int dataoff,
+ const char **dptr,
+ unsigned int *datalen);
+
+ void (*seq_adjust)(struct sk_buff *skb,
+ unsigned int protoff, s16 off);
+
+ unsigned int (*expect)(struct sk_buff *skb,
+ unsigned int protoff,
+ unsigned int dataoff,
+ const char **dptr,
+ unsigned int *datalen,
+ struct nf_conntrack_expect *exp,
+ unsigned int matchoff,
+ unsigned int matchlen);
+
+ unsigned int (*sdp_addr)(struct sk_buff *skb,
+ unsigned int protoff,
+ unsigned int dataoff,
+ const char **dptr,
+ unsigned int *datalen,
+ unsigned int sdpoff,
enum sdp_header_types type,
enum sdp_header_types term,
- unsigned int *matchoff, unsigned int *matchlen);
+ const union nf_inet_addr *addr);
+
+ unsigned int (*sdp_port)(struct sk_buff *skb,
+ unsigned int protoff,
+ unsigned int dataoff,
+ const char **dptr,
+ unsigned int *datalen,
+ unsigned int matchoff,
+ unsigned int matchlen,
+ u_int16_t port);
+
+ unsigned int (*sdp_session)(struct sk_buff *skb,
+ unsigned int protoff,
+ unsigned int dataoff,
+ const char **dptr,
+ unsigned int *datalen,
+ unsigned int sdpoff,
+ const union nf_inet_addr *addr);
+
+ unsigned int (*sdp_media)(struct sk_buff *skb,
+ unsigned int protoff,
+ unsigned int dataoff,
+ const char **dptr,
+ unsigned int *datalen,
+ struct nf_conntrack_expect *rtp_exp,
+ struct nf_conntrack_expect *rtcp_exp,
+ unsigned int mediaoff,
+ unsigned int medialen,
+ union nf_inet_addr *rtp_addr);
+};
+extern const struct nf_nat_sip_hooks *nf_nat_sip_hooks;
+
+int ct_sip_parse_request(const struct nf_conn *ct, const char *dptr,
+ unsigned int datalen, unsigned int *matchoff,
+ unsigned int *matchlen, union nf_inet_addr *addr,
+ __be16 *port);
+int ct_sip_get_header(const struct nf_conn *ct, const char *dptr,
+ unsigned int dataoff, unsigned int datalen,
+ enum sip_header_types type, unsigned int *matchoff,
+ unsigned int *matchlen);
+int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr,
+ unsigned int *dataoff, unsigned int datalen,
+ enum sip_header_types type, int *in_header,
+ unsigned int *matchoff, unsigned int *matchlen,
+ union nf_inet_addr *addr, __be16 *port);
+int ct_sip_parse_address_param(const struct nf_conn *ct, const char *dptr,
+ unsigned int dataoff, unsigned int datalen,
+ const char *name, unsigned int *matchoff,
+ unsigned int *matchlen, union nf_inet_addr *addr,
+ bool delim);
+int ct_sip_parse_numerical_param(const struct nf_conn *ct, const char *dptr,
+ unsigned int off, unsigned int datalen,
+ const char *name, unsigned int *matchoff,
+ unsigned int *matchen, unsigned int *val);
+
+int ct_sip_get_sdp_header(const struct nf_conn *ct, const char *dptr,
+ unsigned int dataoff, unsigned int datalen,
+ enum sdp_header_types type,
+ enum sdp_header_types term,
+ unsigned int *matchoff, unsigned int *matchlen);
#endif /* __KERNEL__ */
#endif /* __NF_CONNTRACK_SIP_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 12:55:04 +0000