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e264723db2
* Style varied wildly between files and within files.
* find . -name "*.c" -exec indent {} -ut -ts4 -kr -psl \;
* find . -name "*.h" -exec indent {} -ut -ts4 -kr -psl \;
119 lines
3.4 KiB
C
119 lines
3.4 KiB
C
#ifndef MARK_H
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#define MARK_H
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#include <linux/version.h>
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//original inclusions
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#if LINUX_VERSION_CODE <= KERNEL_VERSION(2, 7, 0)
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#if 0
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#include "libiptc/libiptc.h"
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#include <linux/netfilter_ipv4/ip_conntrack.h>
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#include <linux/netfilter_ipv4/ip_conntrack_tuple.h>
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#include "libiptc/ipt_conntrack.h"
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#include "libiptc/ipt_connmark.h"
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#include "libiptc/ipt_CONNMARK.h"
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#endif
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#if 1
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#include "libiptc/libiptc.h"
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#if 1
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#include <linux/netfilter/nf_conntrack_common.h>
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#endif
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#if 0
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#include <linux/netfilter_ipv4/ipt_conntrack_tuple.h>
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#endif
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#include "libiptc/ipt_conntrack.h"
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#include "libiptc/ipt_connmark.h"
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#include "libiptc/ipt_CONNMARK.h"
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#endif
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/* 2010 fixes for debian package */
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#if 0
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#include "libiptc/libiptc.h"
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#include <linux/netfilter/nf_conntrack_common.h>
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#include <linux/netfilter_ipv4/ipt_conntrack.h>
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#include <linux/netfilter_ipv4/ipt_connmark.h>
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#include <linux/netfilter_ipv4/ipt_CONNMARK.h>
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#endif
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#endif
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#include "libiptc/libiptc.h"
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#include <linux/netfilter/nf_conntrack_common.h>
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#include "libiptc/ipt_conntrack.h"
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#include "libiptc/ipt_connmark.h"
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#include "libiptc/ipt_CONNMARK.h"
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#define MANGLE_TABLE "mangle"
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#define FILTER_TABLE "filter"
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#define NTK_MARK_CHAIN "ntk_mark_chain"
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#define CHAIN_OUTPUT "OUTPUT"
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#define CHAIN_POSTROUTING "POSTROUTING"
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#define CHAIN_PREROUTING "PREROUTING"
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#define CHAIN_POSTROUTING "POSTROUTING"
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#define CHAIN_FORWARD "FORWARD"
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#define MOD_CONNTRACK "conntrack"
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#define MOD_CONNMARK "CONNMARK"
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#define MARK_TARGET "MARK"
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#define NTK_NET_STR "10.0.0.0"
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#define NTK_NET_MASK_STR "255.0.0.0"
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#define IPT_ENTRY_SZ sizeof(struct ipt_entry)
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#define IPT_ENTRY_MATCH_SZ sizeof(struct ipt_entry_match)
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#define IPT_ENTRY_TARGET_SZ sizeof(struct ipt_entry_target)
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#define IPT_CT_INFO_SZ sizeof(struct ipt_conntrack_info)
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#define IPT_CM_TARGET_INFO_SZ sizeof(struct ipt_connmark_target_info)
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#define MATCH_SZ IPT_ENTRY_MATCH_SZ+IPT_CT_INFO_SZ
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#define TARGET_SZ IPT_ENTRY_TARGET_SZ+IPT_CM_TARGET_INFO_SZ
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#define RESTORE_OUTPUT_RULE_SZ IPT_ENTRY_SZ+MATCH_SZ+TARGET_SZ
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#define OFFSET_MATCH IPT_ENTRY_SZ
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#define OFFSET_MATCH_INFO OFFSET_MATCH+IPT_ENTRY_MATCH_SZ
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#define OFFSET_TARGET OFFSET_MATCH_INFO+IPT_CT_INFO_SZ
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#define OFFSET_TARGET_INFO OFFSET_TARGET+IPT_ENTRY_TARGET_SZ
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#define MARK_RULE_SZ IPT_ENTRY_SZ+TARGET_SZ
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#define MAX_MARK_RULES 100
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#define NTK_FORWARD_RULE_SZ OFFSET_TARGET_INFO+4
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#define IGW_FILTER_RULE_SZ IPT_ENTRY_SZ+IPT_ENTRY_SZ+4
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#define INET_MARK 25
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#define MAX_RULE_SZ RESTORE_OUTPUT_RULE_SZ
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//struct in_addr inet_dst,inet_dst_mask;
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typedef struct rule_store {
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char e[RESTORE_OUTPUT_RULE_SZ];
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int sz;
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char *chain;
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} rule_store;
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/* Functions */
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int table_init(const char *table, iptc_handle_t * t);
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int insert_rule(const char *rule, iptc_handle_t * t, const char *chain,
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int pos);
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int append_rule(const char *rule, iptc_handle_t * t, const char *chain);
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int commit_rules(iptc_handle_t * t);
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void restore_output_rule_init(char *rule);
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void ntk_forward_rule_init(char *rule);
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void mark_rule_init(char *rule, char *outiface, int outiface_num);
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void igw_mark_rule_init(char *rule);
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int ntk_mark_chain_init(iptc_handle_t * t);
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int store_rules();
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int mark_init(int igw);
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int count_ntk_mark_chain(iptc_handle_t * t);
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int create_mark_rules(int n);
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int delete_ntk_forward_chain(iptc_handle_t * t);
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int delete_first_rule(iptc_handle_t * t, const char *chain);
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int rule_position(rule_store * rule, iptc_handle_t * t);
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int delete_rule(rule_store * rule, iptc_handle_t * t);
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int mark_close();
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#endif /* MARK_H */
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