55 lines
1.5 KiB
C
Executable File
55 lines
1.5 KiB
C
Executable File
#ifndef _CONNTRACK_API_H
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#define _CONNTRACK_API_H
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#include <net/netfilter/nf_conntrack.h>
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extern seqcount_t nf_conntrack_generation;
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extern u32 cmhi_seed;
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#define CMHI_EXT_ERR -1
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#define CMHI_EXT_OK 0
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typedef enum{
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USER_ID,
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USER_VERSION,
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NODE_INDEX,
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APP_ID,
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POLICY_VERSION,
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ACTION,
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}cmhi_ext_type;
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//modify cmhi_ext_info u_int32_t status
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typedef enum{
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/*skb pass or not*/
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//CMHI_EXT_PASS_BIT = 0,
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CMHI_EXT_PASS = (1 << 0),
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/*skb go to dpi or not*/
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//CMHI_EXT_GOTO_DPI_BIT = 1,
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CMHI_EXT_GOTO_DPI = (1 << 1),
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}cmhi_ext_action_bit;
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struct dpi_tuple{
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__be32 sip;
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__be32 dip;
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__be16 sport;
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__be16 dport;
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u_int8_t protonum;
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};
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struct dpi{
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struct dpi_tuple tuple; /* dpi???a¡Á¨¦ */
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uint16_t aid; /* app id */
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};
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int cmhi_set_conntrack_u16(const struct sk_buff *skb, uint16_t value, cmhi_ext_type type);
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int cmhi_set_conntrack_u32(const struct sk_buff *skb, uint32_t value, cmhi_ext_type type);
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int cmhi_set_conntrack_action_by_bit(const struct sk_buff *skb, cmhi_ext_action_bit abit);
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int cmhi_get_conntrack_u16(const struct sk_buff *skb, uint16_t *value, cmhi_ext_type type);
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int cmhi_get_conntrack_u32(const struct sk_buff *skb, uint32_t *value, cmhi_ext_type type);
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int cmhi_del_conntrack(const struct sk_buff *skb, cmhi_ext_type type);
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int cmhi_del_conntrack_action_by_bit(const struct sk_buff *skb, cmhi_ext_action_bit abit);
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struct nf_conn *get_conntrack_from_tuple(struct dpi_tuple *dpi_tuple);
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int set_aid_by_dpi_tuple(struct dpi *dpi);
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#endif /* _CONNTRACK_API_H */
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