+++ /dev/null
-#ifndef _LIBIP6TC_H
-#define _LIBIP6TC_H
-/* Library which manipulates firewall rules. Version 0.2. */
-
-#include <libiptc/ipt_kernel_headers.h>
-#include <linux/netfilter_ipv6/ip6_tables.h>
-
-#ifndef IP6T_MIN_ALIGN
-#define IP6T_MIN_ALIGN (__alignof__(struct ip6t_entry))
-#endif
-#define IP6T_ALIGN(s) (((s) + (IP6T_MIN_ALIGN-1)) & ~(IP6T_MIN_ALIGN-1))
-
-typedef char ip6t_chainlabel[32];
-
-#define IP6TC_LABEL_ACCEPT "ACCEPT"
-#define IP6TC_LABEL_DROP "DROP"
-#define IP6TC_LABEL_QUEUE "QUEUE"
-#define IP6TC_LABEL_RETURN "RETURN"
-
-/* Transparent handle type. */
-typedef struct ip6tc_handle *ip6tc_handle_t;
-
-/* Does this chain exist? */
-int ip6tc_is_chain(const char *chain, const ip6tc_handle_t handle);
-
-/* Take a snapshot of the rules. Returns NULL on error. */
-ip6tc_handle_t ip6tc_init(const char *tablename);
-
-/* Cleanup after ip6tc_init(). */
-void ip6tc_free(ip6tc_handle_t *h);
-
-/* Iterator functions to run through the chains. Returns NULL at end. */
-const char *ip6tc_first_chain(ip6tc_handle_t *handle);
-const char *ip6tc_next_chain(ip6tc_handle_t *handle);
-
-/* Get first rule in the given chain: NULL for empty chain. */
-const struct ip6t_entry *ip6tc_first_rule(const char *chain,
- ip6tc_handle_t *handle);
-
-/* Returns NULL when rules run out. */
-const struct ip6t_entry *ip6tc_next_rule(const struct ip6t_entry *prev,
- ip6tc_handle_t *handle);
-
-/* Returns a pointer to the target name of this position. */
-const char *ip6tc_get_target(const struct ip6t_entry *e,
- ip6tc_handle_t *handle);
-
-/* Is this a built-in chain? */
-int ip6tc_builtin(const char *chain, const ip6tc_handle_t handle);
-
-/* Get the policy of a given built-in chain */
-const char *ip6tc_get_policy(const char *chain,
- struct ip6t_counters *counters,
- ip6tc_handle_t *handle);
-
-/* These functions return TRUE for OK or 0 and set errno. If errno ==
- 0, it means there was a version error (ie. upgrade libiptc). */
-/* Rule numbers start at 1 for the first rule. */
-
-/* Insert the entry `fw' in chain `chain' into position `rulenum'. */
-int ip6tc_insert_entry(const ip6t_chainlabel chain,
- const struct ip6t_entry *e,
- unsigned int rulenum,
- ip6tc_handle_t *handle);
-
-/* Atomically replace rule `rulenum' in `chain' with `fw'. */
-int ip6tc_replace_entry(const ip6t_chainlabel chain,
- const struct ip6t_entry *e,
- unsigned int rulenum,
- ip6tc_handle_t *handle);
-
-/* Append entry `fw' to chain `chain'. Equivalent to insert with
- rulenum = length of chain. */
-int ip6tc_append_entry(const ip6t_chainlabel chain,
- const struct ip6t_entry *e,
- ip6tc_handle_t *handle);
-
-/* Delete the first rule in `chain' which matches `fw'. */
-int ip6tc_delete_entry(const ip6t_chainlabel chain,
- const struct ip6t_entry *origfw,
- unsigned char *matchmask,
- ip6tc_handle_t *handle);
-
-/* Delete the rule in position `rulenum' in `chain'. */
-int ip6tc_delete_num_entry(const ip6t_chainlabel chain,
- unsigned int rulenum,
- ip6tc_handle_t *handle);
-
-/* Check the packet `fw' on chain `chain'. Returns the verdict, or
- NULL and sets errno. */
-const char *ip6tc_check_packet(const ip6t_chainlabel chain,
- struct ip6t_entry *,
- ip6tc_handle_t *handle);
-
-/* Flushes the entries in the given chain (ie. empties chain). */
-int ip6tc_flush_entries(const ip6t_chainlabel chain,
- ip6tc_handle_t *handle);
-
-/* Zeroes the counters in a chain. */
-int ip6tc_zero_entries(const ip6t_chainlabel chain,
- ip6tc_handle_t *handle);
-
-/* Creates a new chain. */
-int ip6tc_create_chain(const ip6t_chainlabel chain,
- ip6tc_handle_t *handle);
-
-/* Deletes a chain. */
-int ip6tc_delete_chain(const ip6t_chainlabel chain,
- ip6tc_handle_t *handle);
-
-/* Renames a chain. */
-int ip6tc_rename_chain(const ip6t_chainlabel oldname,
- const ip6t_chainlabel newname,
- ip6tc_handle_t *handle);
-
-/* Sets the policy on a built-in chain. */
-int ip6tc_set_policy(const ip6t_chainlabel chain,
- const ip6t_chainlabel policy,
- struct ip6t_counters *counters,
- ip6tc_handle_t *handle);
-
-/* Get the number of references to this chain */
-int ip6tc_get_references(unsigned int *ref, const ip6t_chainlabel chain,
- ip6tc_handle_t *handle);
-
-/* read packet and byte counters for a specific rule */
-struct ip6t_counters *ip6tc_read_counter(const ip6t_chainlabel chain,
- unsigned int rulenum,
- ip6tc_handle_t *handle);
-
-/* zero packet and byte counters for a specific rule */
-int ip6tc_zero_counter(const ip6t_chainlabel chain,
- unsigned int rulenum,
- ip6tc_handle_t *handle);
-
-/* set packet and byte counters for a specific rule */
-int ip6tc_set_counter(const ip6t_chainlabel chain,
- unsigned int rulenum,
- struct ip6t_counters *counters,
- ip6tc_handle_t *handle);
-
-/* Makes the actual changes. */
-int ip6tc_commit(ip6tc_handle_t *handle);
-
-/* Get raw socket. */
-int ip6tc_get_raw_socket();
-
-/* Translates errno numbers into more human-readable form than strerror. */
-const char *ip6tc_strerror(int err);
-
-/* Return prefix length, or -1 if not contiguous */
-int ipv6_prefix_length(const struct in6_addr *a);
-
-#endif /* _LIBIP6TC_H */
git://git.onelab.eu / iproute2.git / blobdiff