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Import patch iproute2.110
(Logical change 1.112)
This commit is contained in:
net[shemminger]!shemminger
parent
3e1d2ea6ab
commit
1ffd7fd23e
@ -1,3 +1,8 @@
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2005-01-12 Jamal Hadi Salim <hadi@znyx.com>
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* Add iptables tc support. This meant borrowing headers
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from iptables *ugh*
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2004-12-08 Jamal Hadi Salim <hadi@znyx.com>
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* Add mirror and redirect actions
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@ -0,0 +1,141 @@
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#ifndef _IP6TABLES_USER_H
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#define _IP6TABLES_USER_H
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#include "iptables_common.h"
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#include "libiptc/libip6tc.h"
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struct ip6tables_rule_match
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{
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struct ip6tables_rule_match *next;
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struct ip6tables_match *match;
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};
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/* Include file for additions: new matches and targets. */
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struct ip6tables_match
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{
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struct ip6tables_match *next;
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ip6t_chainlabel name;
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const char *version;
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/* Size of match data. */
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size_t size;
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/* Size of match data relevent for userspace comparison purposes */
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size_t userspacesize;
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/* Function which prints out usage message. */
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void (*help)(void);
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/* Initialize the match. */
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void (*init)(struct ip6t_entry_match *m, unsigned int *nfcache);
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/* Function which parses command options; returns true if it
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ate an option */
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int (*parse)(int c, char **argv, int invert, unsigned int *flags,
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const struct ip6t_entry *entry,
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unsigned int *nfcache,
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struct ip6t_entry_match **match);
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/* Final check; exit if not ok. */
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void (*final_check)(unsigned int flags);
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/* Prints out the match iff non-NULL: put space at end */
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void (*print)(const struct ip6t_ip6 *ip,
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const struct ip6t_entry_match *match, int numeric);
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/* Saves the union ipt_matchinfo in parsable form to stdout. */
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void (*save)(const struct ip6t_ip6 *ip,
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const struct ip6t_entry_match *match);
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/* Pointer to list of extra command-line options */
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const struct option *extra_opts;
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/* Ignore these men behind the curtain: */
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unsigned int option_offset;
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struct ip6t_entry_match *m;
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unsigned int mflags;
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#ifdef NO_SHARED_LIBS
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unsigned int loaded; /* simulate loading so options are merged properly */
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#endif
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};
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struct ip6tables_target
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{
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struct ip6tables_target *next;
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ip6t_chainlabel name;
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const char *version;
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/* Size of target data. */
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size_t size;
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/* Size of target data relevent for userspace comparison purposes */
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size_t userspacesize;
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/* Function which prints out usage message. */
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void (*help)(void);
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/* Initialize the target. */
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void (*init)(struct ip6t_entry_target *t, unsigned int *nfcache);
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/* Function which parses command options; returns true if it
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ate an option */
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int (*parse)(int c, char **argv, int invert, unsigned int *flags,
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const struct ip6t_entry *entry,
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struct ip6t_entry_target **target);
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/* Final check; exit if not ok. */
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void (*final_check)(unsigned int flags);
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/* Prints out the target iff non-NULL: put space at end */
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void (*print)(const struct ip6t_ip6 *ip,
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const struct ip6t_entry_target *target, int numeric);
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/* Saves the targinfo in parsable form to stdout. */
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void (*save)(const struct ip6t_ip6 *ip,
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const struct ip6t_entry_target *target);
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/* Pointer to list of extra command-line options */
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struct option *extra_opts;
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/* Ignore these men behind the curtain: */
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unsigned int option_offset;
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struct ip6t_entry_target *t;
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unsigned int tflags;
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unsigned int used;
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#ifdef NO_SHARED_LIBS
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unsigned int loaded; /* simulate loading so options are merged properly */
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#endif
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};
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extern int line;
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/* Your shared library should call one of these. */
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extern void register_match6(struct ip6tables_match *me);
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extern void register_target6(struct ip6tables_target *me);
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extern int do_command6(int argc, char *argv[], char **table,
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ip6tc_handle_t *handle);
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/* Keeping track of external matches and targets: linked lists. */
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extern struct ip6tables_match *ip6tables_matches;
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extern struct ip6tables_target *ip6tables_targets;
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enum ip6t_tryload {
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DONT_LOAD,
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TRY_LOAD,
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LOAD_MUST_SUCCEED
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};
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extern struct ip6tables_target *find_target(const char *name, enum ip6t_tryload);
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extern struct ip6tables_match *find_match(const char *name, enum ip6t_tryload, struct ip6tables_rule_match **match);
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extern int for_each_chain(int (*fn)(const ip6t_chainlabel, int, ip6tc_handle_t *), int verbose, int builtinstoo, ip6tc_handle_t *handle);
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extern int flush_entries(const ip6t_chainlabel chain, int verbose, ip6tc_handle_t *handle);
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extern int delete_chain(const ip6t_chainlabel chain, int verbose, ip6tc_handle_t *handle);
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extern int ip6tables_insmod(const char *modname, const char *modprobe);
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#endif /*_IP6TABLES_USER_H*/
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@ -0,0 +1,155 @@
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#ifndef _IPTABLES_USER_H
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#define _IPTABLES_USER_H
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#include "iptables_common.h"
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#include "libiptc/libiptc.h"
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#ifndef IPPROTO_SCTP
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#define IPPROTO_SCTP 132
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#endif
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struct iptables_rule_match
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{
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struct iptables_rule_match *next;
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struct iptables_match *match;
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};
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/* Include file for additions: new matches and targets. */
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struct iptables_match
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{
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struct iptables_match *next;
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ipt_chainlabel name;
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const char *version;
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/* Size of match data. */
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size_t size;
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/* Size of match data relevent for userspace comparison purposes */
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size_t userspacesize;
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/* Function which prints out usage message. */
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void (*help)(void);
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/* Initialize the match. */
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void (*init)(struct ipt_entry_match *m, unsigned int *nfcache);
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/* Function which parses command options; returns true if it
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ate an option */
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int (*parse)(int c, char **argv, int invert, unsigned int *flags,
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const struct ipt_entry *entry,
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unsigned int *nfcache,
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struct ipt_entry_match **match);
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/* Final check; exit if not ok. */
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void (*final_check)(unsigned int flags);
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/* Prints out the match iff non-NULL: put space at end */
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void (*print)(const struct ipt_ip *ip,
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const struct ipt_entry_match *match, int numeric);
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/* Saves the match info in parsable form to stdout. */
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void (*save)(const struct ipt_ip *ip,
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const struct ipt_entry_match *match);
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/* Pointer to list of extra command-line options */
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const struct option *extra_opts;
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/* Ignore these men behind the curtain: */
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unsigned int option_offset;
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struct ipt_entry_match *m;
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unsigned int mflags;
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#ifdef NO_SHARED_LIBS
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unsigned int loaded; /* simulate loading so options are merged properly */
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#endif
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};
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struct iptables_target
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{
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struct iptables_target *next;
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ipt_chainlabel name;
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const char *version;
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/* Size of target data. */
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size_t size;
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/* Size of target data relevent for userspace comparison purposes */
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size_t userspacesize;
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/* Function which prints out usage message. */
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void (*help)(void);
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/* Initialize the target. */
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void (*init)(struct ipt_entry_target *t, unsigned int *nfcache);
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/* Function which parses command options; returns true if it
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ate an option */
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int (*parse)(int c, char **argv, int invert, unsigned int *flags,
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const struct ipt_entry *entry,
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struct ipt_entry_target **target);
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/* Final check; exit if not ok. */
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void (*final_check)(unsigned int flags);
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/* Prints out the target iff non-NULL: put space at end */
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void (*print)(const struct ipt_ip *ip,
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const struct ipt_entry_target *target, int numeric);
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/* Saves the targinfo in parsable form to stdout. */
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void (*save)(const struct ipt_ip *ip,
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const struct ipt_entry_target *target);
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/* Pointer to list of extra command-line options */
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struct option *extra_opts;
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/* Ignore these men behind the curtain: */
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unsigned int option_offset;
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struct ipt_entry_target *t;
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unsigned int tflags;
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unsigned int used;
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#ifdef NO_SHARED_LIBS
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unsigned int loaded; /* simulate loading so options are merged properly */
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#endif
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};
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extern int line;
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/* Your shared library should call one of these. */
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extern void register_match(struct iptables_match *me);
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extern void register_target(struct iptables_target *me);
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extern struct in_addr *dotted_to_addr(const char *dotted);
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extern char *addr_to_dotted(const struct in_addr *addrp);
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extern char *addr_to_anyname(const struct in_addr *addr);
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extern char *mask_to_dotted(const struct in_addr *mask);
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extern void parse_hostnetworkmask(const char *name, struct in_addr **addrpp,
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struct in_addr *maskp, unsigned int *naddrs);
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extern u_int16_t parse_protocol(const char *s);
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extern int do_command(int argc, char *argv[], char **table,
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iptc_handle_t *handle);
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/* Keeping track of external matches and targets: linked lists. */
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extern struct iptables_match *iptables_matches;
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extern struct iptables_target *iptables_targets;
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enum ipt_tryload {
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DONT_LOAD,
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TRY_LOAD,
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LOAD_MUST_SUCCEED
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};
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extern struct iptables_target *find_target(const char *name, enum ipt_tryload);
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extern struct iptables_match *find_match(const char *name, enum ipt_tryload, struct iptables_rule_match **match);
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extern int delete_chain(const ipt_chainlabel chain, int verbose,
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iptc_handle_t *handle);
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extern int flush_entries(const ipt_chainlabel chain, int verbose,
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iptc_handle_t *handle);
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extern int for_each_chain(int (*fn)(const ipt_chainlabel, int, iptc_handle_t *),
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int verbose, int builtinstoo, iptc_handle_t *handle);
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#endif /*_IPTABLES_USER_H*/
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@ -0,0 +1,37 @@
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#ifndef _IPTABLES_COMMON_H
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#define _IPTABLES_COMMON_H
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/* Shared definitions between ipv4 and ipv6. */
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enum exittype {
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OTHER_PROBLEM = 1,
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PARAMETER_PROBLEM,
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VERSION_PROBLEM
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};
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extern void exit_printhelp(void) __attribute__((noreturn));
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extern void exit_tryhelp(int) __attribute__((noreturn));
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int check_inverse(const char option[], int *invert, int *optind, int argc);
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extern int string_to_number(const char *,
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unsigned int,
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unsigned int,
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unsigned int *);
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extern int string_to_number_l(const char *,
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unsigned long int,
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unsigned long int,
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unsigned long *);
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extern int string_to_number_ll(const char *,
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unsigned long long int,
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unsigned long long int,
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unsigned long long *);
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extern int iptables_insmod(const char *modname, const char *modprobe);
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void exit_error(enum exittype, char *, ...)__attribute__((noreturn,
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format(printf,2,3)));
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extern const char *program_name, *program_version;
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#ifdef NO_SHARED_LIBS
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# ifdef _INIT
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# define _init _INIT
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# endif
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extern void init_extensions(void);
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#endif
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#endif /*_IPTABLES_COMMON_H*/
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@ -0,0 +1,27 @@
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/* This is the userspace/kernel interface for Generic IP Chains,
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required for libc6. */
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#ifndef _FWCHAINS_KERNEL_HEADERS_H
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#define _FWCHAINS_KERNEL_HEADERS_H
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#include <limits.h>
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#if defined(__GLIBC__) && __GLIBC__ == 2
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#include <netinet/ip.h>
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#include <netinet/in.h>
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#include <netinet/ip_icmp.h>
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#include <netinet/tcp.h>
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#include <netinet/udp.h>
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#include <net/if.h>
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#include <sys/types.h>
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#else /* libc5 */
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#include <sys/socket.h>
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#include <linux/ip.h>
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#include <linux/in.h>
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#include <linux/if.h>
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#include <linux/icmp.h>
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#include <linux/tcp.h>
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#include <linux/udp.h>
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#include <linux/types.h>
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#include <linux/in6.h>
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#endif
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#endif
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@ -0,0 +1,154 @@
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#ifndef _LIBIP6TC_H
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#define _LIBIP6TC_H
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/* Library which manipulates firewall rules. Version 0.2. */
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#include <libiptc/ipt_kernel_headers.h>
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#include <linux/netfilter_ipv6/ip6_tables.h>
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#ifndef IP6T_MIN_ALIGN
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#define IP6T_MIN_ALIGN (__alignof__(struct ip6t_entry))
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#endif
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#define IP6T_ALIGN(s) (((s) + (IP6T_MIN_ALIGN-1)) & ~(IP6T_MIN_ALIGN-1))
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typedef char ip6t_chainlabel[32];
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#define IP6TC_LABEL_ACCEPT "ACCEPT"
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#define IP6TC_LABEL_DROP "DROP"
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#define IP6TC_LABEL_QUEUE "QUEUE"
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#define IP6TC_LABEL_RETURN "RETURN"
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/* Transparent handle type. */
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typedef struct ip6tc_handle *ip6tc_handle_t;
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/* Does this chain exist? */
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int ip6tc_is_chain(const char *chain, const ip6tc_handle_t handle);
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/* Take a snapshot of the rules. Returns NULL on error. */
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ip6tc_handle_t ip6tc_init(const char *tablename);
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/* Cleanup after ip6tc_init(). */
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void ip6tc_free(ip6tc_handle_t *h);
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/* Iterator functions to run through the chains. Returns NULL at end. */
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const char *ip6tc_first_chain(ip6tc_handle_t *handle);
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const char *ip6tc_next_chain(ip6tc_handle_t *handle);
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/* Get first rule in the given chain: NULL for empty chain. */
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const struct ip6t_entry *ip6tc_first_rule(const char *chain,
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ip6tc_handle_t *handle);
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/* Returns NULL when rules run out. */
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const struct ip6t_entry *ip6tc_next_rule(const struct ip6t_entry *prev,
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ip6tc_handle_t *handle);
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/* Returns a pointer to the target name of this position. */
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const char *ip6tc_get_target(const struct ip6t_entry *e,
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ip6tc_handle_t *handle);
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/* Is this a built-in chain? */
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int ip6tc_builtin(const char *chain, const ip6tc_handle_t handle);
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/* Get the policy of a given built-in chain */
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const char *ip6tc_get_policy(const char *chain,
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struct ip6t_counters *counters,
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ip6tc_handle_t *handle);
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/* These functions return TRUE for OK or 0 and set errno. If errno ==
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0, it means there was a version error (ie. upgrade libiptc). */
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/* Rule numbers start at 1 for the first rule. */
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/* Insert the entry `fw' in chain `chain' into position `rulenum'. */
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int ip6tc_insert_entry(const ip6t_chainlabel chain,
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const struct ip6t_entry *e,
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unsigned int rulenum,
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ip6tc_handle_t *handle);
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/* Atomically replace rule `rulenum' in `chain' with `fw'. */
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int ip6tc_replace_entry(const ip6t_chainlabel chain,
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const struct ip6t_entry *e,
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unsigned int rulenum,
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ip6tc_handle_t *handle);
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/* Append entry `fw' to chain `chain'. Equivalent to insert with
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rulenum = length of chain. */
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int ip6tc_append_entry(const ip6t_chainlabel chain,
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const struct ip6t_entry *e,
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ip6tc_handle_t *handle);
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/* Delete the first rule in `chain' which matches `fw'. */
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int ip6tc_delete_entry(const ip6t_chainlabel chain,
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const struct ip6t_entry *origfw,
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unsigned char *matchmask,
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ip6tc_handle_t *handle);
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/* Delete the rule in position `rulenum' in `chain'. */
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int ip6tc_delete_num_entry(const ip6t_chainlabel chain,
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unsigned int rulenum,
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ip6tc_handle_t *handle);
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/* Check the packet `fw' on chain `chain'. Returns the verdict, or
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NULL and sets errno. */
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const char *ip6tc_check_packet(const ip6t_chainlabel chain,
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struct ip6t_entry *,
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ip6tc_handle_t *handle);
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/* Flushes the entries in the given chain (ie. empties chain). */
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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 */
|
||||
@ -0,0 +1,166 @@
|
||||
#ifndef _LIBIPTC_H
|
||||
#define _LIBIPTC_H
|
||||
/* Library which manipulates filtering rules. */
|
||||
|
||||
#include <libiptc/ipt_kernel_headers.h>
|
||||
#include <linux/netfilter_ipv4/ip_tables.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#ifndef IPT_MIN_ALIGN
|
||||
/* ipt_entry has pointers and u_int64_t's in it, so if you align to
|
||||
it, you'll also align to any crazy matches and targets someone
|
||||
might write */
|
||||
#define IPT_MIN_ALIGN (__alignof__(struct ipt_entry))
|
||||
#endif
|
||||
|
||||
#define IPT_ALIGN(s) (((s) + ((IPT_MIN_ALIGN)-1)) & ~((IPT_MIN_ALIGN)-1))
|
||||
|
||||
typedef char ipt_chainlabel[32];
|
||||
|
||||
#define IPTC_LABEL_ACCEPT "ACCEPT"
|
||||
#define IPTC_LABEL_DROP "DROP"
|
||||
#define IPTC_LABEL_QUEUE "QUEUE"
|
||||
#define IPTC_LABEL_RETURN "RETURN"
|
||||
|
||||
/* Transparent handle type. */
|
||||
typedef struct iptc_handle *iptc_handle_t;
|
||||
|
||||
/* Does this chain exist? */
|
||||
int iptc_is_chain(const char *chain, const iptc_handle_t handle);
|
||||
|
||||
/* Take a snapshot of the rules. Returns NULL on error. */
|
||||
iptc_handle_t iptc_init(const char *tablename);
|
||||
|
||||
/* Cleanup after iptc_init(). */
|
||||
void iptc_free(iptc_handle_t *h);
|
||||
|
||||
/* Iterator functions to run through the chains. Returns NULL at end. */
|
||||
const char *iptc_first_chain(iptc_handle_t *handle);
|
||||
const char *iptc_next_chain(iptc_handle_t *handle);
|
||||
|
||||
/* Get first rule in the given chain: NULL for empty chain. */
|
||||
const struct ipt_entry *iptc_first_rule(const char *chain,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Returns NULL when rules run out. */
|
||||
const struct ipt_entry *iptc_next_rule(const struct ipt_entry *prev,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Returns a pointer to the target name of this entry. */
|
||||
const char *iptc_get_target(const struct ipt_entry *e,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Is this a built-in chain? */
|
||||
int iptc_builtin(const char *chain, const iptc_handle_t handle);
|
||||
|
||||
/* Get the policy of a given built-in chain */
|
||||
const char *iptc_get_policy(const char *chain,
|
||||
struct ipt_counters *counter,
|
||||
iptc_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 `e' in chain `chain' into position `rulenum'. */
|
||||
int iptc_insert_entry(const ipt_chainlabel chain,
|
||||
const struct ipt_entry *e,
|
||||
unsigned int rulenum,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Atomically replace rule `rulenum' in `chain' with `e'. */
|
||||
int iptc_replace_entry(const ipt_chainlabel chain,
|
||||
const struct ipt_entry *e,
|
||||
unsigned int rulenum,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Append entry `e' to chain `chain'. Equivalent to insert with
|
||||
rulenum = length of chain. */
|
||||
int iptc_append_entry(const ipt_chainlabel chain,
|
||||
const struct ipt_entry *e,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Delete the first rule in `chain' which matches `e', subject to
|
||||
matchmask (array of length == origfw) */
|
||||
int iptc_delete_entry(const ipt_chainlabel chain,
|
||||
const struct ipt_entry *origfw,
|
||||
unsigned char *matchmask,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Delete the rule in position `rulenum' in `chain'. */
|
||||
int iptc_delete_num_entry(const ipt_chainlabel chain,
|
||||
unsigned int rulenum,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Check the packet `e' on chain `chain'. Returns the verdict, or
|
||||
NULL and sets errno. */
|
||||
const char *iptc_check_packet(const ipt_chainlabel chain,
|
||||
struct ipt_entry *entry,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Flushes the entries in the given chain (ie. empties chain). */
|
||||
int iptc_flush_entries(const ipt_chainlabel chain,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Zeroes the counters in a chain. */
|
||||
int iptc_zero_entries(const ipt_chainlabel chain,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Creates a new chain. */
|
||||
int iptc_create_chain(const ipt_chainlabel chain,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Deletes a chain. */
|
||||
int iptc_delete_chain(const ipt_chainlabel chain,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Renames a chain. */
|
||||
int iptc_rename_chain(const ipt_chainlabel oldname,
|
||||
const ipt_chainlabel newname,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Sets the policy on a built-in chain. */
|
||||
int iptc_set_policy(const ipt_chainlabel chain,
|
||||
const ipt_chainlabel policy,
|
||||
struct ipt_counters *counters,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Get the number of references to this chain */
|
||||
int iptc_get_references(unsigned int *ref,
|
||||
const ipt_chainlabel chain,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* read packet and byte counters for a specific rule */
|
||||
struct ipt_counters *iptc_read_counter(const ipt_chainlabel chain,
|
||||
unsigned int rulenum,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* zero packet and byte counters for a specific rule */
|
||||
int iptc_zero_counter(const ipt_chainlabel chain,
|
||||
unsigned int rulenum,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* set packet and byte counters for a specific rule */
|
||||
int iptc_set_counter(const ipt_chainlabel chain,
|
||||
unsigned int rulenum,
|
||||
struct ipt_counters *counters,
|
||||
iptc_handle_t *handle);
|
||||
|
||||
/* Makes the actual changes. */
|
||||
int iptc_commit(iptc_handle_t *handle);
|
||||
|
||||
/* Get raw socket. */
|
||||
int iptc_get_raw_socket(void);
|
||||
|
||||
/* Translates errno numbers into more human-readable form than strerror. */
|
||||
const char *iptc_strerror(int err);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#endif /* _LIBIPTC_H */
|
||||
@ -0,0 +1,21 @@
|
||||
#ifndef __LINUX_TC_IPT_H
|
||||
#define __LINUX_TC_IPT_H
|
||||
|
||||
#include <linux/pkt_cls.h>
|
||||
|
||||
#define TCA_ACT_IPT 6
|
||||
|
||||
enum
|
||||
{
|
||||
TCA_IPT_UNSPEC,
|
||||
TCA_IPT_TABLE,
|
||||
TCA_IPT_HOOK,
|
||||
TCA_IPT_INDEX,
|
||||
TCA_IPT_CNT,
|
||||
TCA_IPT_TM,
|
||||
TCA_IPT_TARG,
|
||||
__TCA_IPT_MAX
|
||||
};
|
||||
#define TCA_IPT_MAX (__TCA_IPT_MAX - 1)
|
||||
|
||||
#endif
|
||||
@ -22,6 +22,7 @@ TCMODULES += q_hfsc.o
|
||||
TCMODULES += q_htb.o
|
||||
TCMODULES += m_gact.o
|
||||
TCMODULES += m_mirred.o
|
||||
TCMODULES += m_ipt.o
|
||||
|
||||
TCOBJ += $(TCMODULES)
|
||||
|
||||
|
||||
672
tc/m_ipt.c
672
tc/m_ipt.c
@ -0,0 +1,672 @@
|
||||
/*
|
||||
* m_ipt.c iptables based targets
|
||||
* utilities mostly ripped from iptables <duh, its the linux way>
|
||||
*
|
||||
* This program is free software; you can distribute it and/or
|
||||
* modify it under the terms of the GNU General Public License
|
||||
* as published by the Free Software Foundation; either version
|
||||
* 2 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Authors: J Hadi Salim (hadi@cyberus.ca)
|
||||
*
|
||||
* TODO: bad bad hardcoding IPT_LIB_DIR and PROC_SYS_MODPROBE
|
||||
*
|
||||
*/
|
||||
|
||||
#include <syslog.h>
|
||||
#include <sys/socket.h>
|
||||
#include <netinet/in.h>
|
||||
#include <arpa/inet.h>
|
||||
#include <iptables.h>
|
||||
#include <linux/netfilter_ipv4/ip_tables.h>
|
||||
#include "utils.h"
|
||||
#include "tc_util.h"
|
||||
#include <linux/tc_act/tc_ipt.h>
|
||||
#include <stdio.h>
|
||||
#include <dlfcn.h>
|
||||
#include <getopt.h>
|
||||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <netdb.h>
|
||||
#include <stdlib.h>
|
||||
#include <ctype.h>
|
||||
#include <stdarg.h>
|
||||
#include <limits.h>
|
||||
#include <unistd.h>
|
||||
#include <fcntl.h>
|
||||
#include <sys/wait.h>
|
||||
|
||||
const char *pname = "tc-ipt";
|
||||
const char *tname = "mangle";
|
||||
const char *pversion = "0.1";
|
||||
|
||||
#ifndef TRUE
|
||||
#define TRUE 1
|
||||
#endif
|
||||
#ifndef FALSE
|
||||
#define FALSE 0
|
||||
#endif
|
||||
|
||||
#ifndef IPT_LIB_DIR
|
||||
#define IPT_LIB_DIR "/usr/local/lib/iptables"
|
||||
#endif
|
||||
|
||||
#ifndef PROC_SYS_MODPROBE
|
||||
#define PROC_SYS_MODPROBE "/proc/sys/kernel/modprobe"
|
||||
#endif
|
||||
|
||||
static const char *ipthooks[] = {
|
||||
"NF_IP_PRE_ROUTING",
|
||||
"NF_IP_LOCAL_IN",
|
||||
"NF_IP_FORWARD",
|
||||
"NF_IP_LOCAL_OUT",
|
||||
"NF_IP_POST_ROUTING",
|
||||
};
|
||||
|
||||
static struct option original_opts[] = {
|
||||
{"jump", 1, 0, 'j'},
|
||||
{0, 0, 0, 0}
|
||||
};
|
||||
|
||||
static struct iptables_target *t_list = NULL;
|
||||
static unsigned int global_option_offset = 0;
|
||||
#define OPTION_OFFSET 256
|
||||
|
||||
#if 0
|
||||
/* no clue why register match is within targets
|
||||
figure out later. Talk to Harald -- JHS
|
||||
*/
|
||||
void
|
||||
register_match(struct iptables_match *me)
|
||||
{
|
||||
/* fprintf(stderr, "\nDummy register_match\n"); */
|
||||
}
|
||||
|
||||
void
|
||||
register_target(struct iptables_target *me)
|
||||
{
|
||||
/* fprintf(stderr, "\nDummy register_target %s \n", me->name);
|
||||
*/
|
||||
me->next = t_list;
|
||||
t_list = me;
|
||||
|
||||
}
|
||||
#endif
|
||||
|
||||
void
|
||||
exit_tryhelp(int status)
|
||||
{
|
||||
fprintf(stderr, "Try `%s -h' or '%s --help' for more information.\n",
|
||||
pname, pname);
|
||||
exit(status);
|
||||
}
|
||||
|
||||
void
|
||||
exit_error(enum exittype status, char *msg, ...)
|
||||
{
|
||||
va_list args;
|
||||
|
||||
va_start(args, msg);
|
||||
fprintf(stderr, "%s v%s: ", pname, pversion);
|
||||
vfprintf(stderr, msg, args);
|
||||
va_end(args);
|
||||
fprintf(stderr, "\n");
|
||||
if (status == PARAMETER_PROBLEM)
|
||||
exit_tryhelp(status);
|
||||
if (status == VERSION_PROBLEM)
|
||||
fprintf(stderr,
|
||||
"Perhaps iptables or your kernel needs to be upgraded.\n");
|
||||
exit(status);
|
||||
}
|
||||
|
||||
/* stolen from iptables 1.2.11
|
||||
They should really have them as a library so i can link to them
|
||||
Email them next time i remember
|
||||
*/
|
||||
|
||||
char *
|
||||
addr_to_dotted(const struct in_addr *addrp)
|
||||
{
|
||||
static char buf[20];
|
||||
const unsigned char *bytep;
|
||||
|
||||
bytep = (const unsigned char *) &(addrp->s_addr);
|
||||
sprintf(buf, "%d.%d.%d.%d", bytep[0], bytep[1], bytep[2], bytep[3]);
|
||||
return buf;
|
||||
}
|
||||
|
||||
int string_to_number_ll(const char *s, unsigned long long min,
|
||||
unsigned long long max,
|
||||
unsigned long long *ret)
|
||||
{
|
||||
unsigned long long number;
|
||||
char *end;
|
||||
|
||||
/* Handle hex, octal, etc. */
|
||||
errno = 0;
|
||||
number = strtoull(s, &end, 0);
|
||||
if (*end == '\0' && end != s) {
|
||||
/* we parsed a number, let's see if we want this */
|
||||
if (errno != ERANGE && min <= number && (!max || number <= max)) {
|
||||
*ret = number;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
int string_to_number_l(const char *s, unsigned long min, unsigned long max,
|
||||
unsigned long *ret)
|
||||
{
|
||||
int result;
|
||||
unsigned long long number;
|
||||
|
||||
result = string_to_number_ll(s, min, max, &number);
|
||||
*ret = (unsigned long)number;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
int string_to_number(const char *s, unsigned int min, unsigned int max,
|
||||
unsigned int *ret)
|
||||
{
|
||||
int result;
|
||||
unsigned long number;
|
||||
|
||||
result = string_to_number_l(s, min, max, &number);
|
||||
*ret = (unsigned int)number;
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
#if 0
|
||||
static int
|
||||
string_to_number(const char *s, unsigned int min, unsigned int max,
|
||||
unsigned int *ret)
|
||||
{
|
||||
long number;
|
||||
char *end;
|
||||
|
||||
/* Handle hex, octal, etc. */
|
||||
errno = 0;
|
||||
number = strtol(s, &end, 0);
|
||||
if (*end == '\0' && end != s) {
|
||||
/* we parsed a number, let's see if we want this */
|
||||
if (errno != ERANGE && min <= number && number <= max) {
|
||||
*ret = number;
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
#endif
|
||||
|
||||
static struct option *
|
||||
copy_options(struct option *oldopts)
|
||||
{
|
||||
struct option *merge;
|
||||
unsigned int num_old;
|
||||
for (num_old = 0; oldopts[num_old].name; num_old++) ;
|
||||
merge = malloc(sizeof (struct option) * (num_old + 1));
|
||||
if (NULL == merge)
|
||||
return NULL;
|
||||
memcpy(merge, oldopts, num_old * sizeof (struct option));
|
||||
memset(merge + num_old, 0, sizeof (struct option));
|
||||
return merge;
|
||||
}
|
||||
|
||||
static struct option *
|
||||
merge_options(struct option *oldopts, const struct option *newopts,
|
||||
unsigned int *option_offset)
|
||||
{
|
||||
struct option *merge;
|
||||
unsigned int num_old, num_new, i;
|
||||
|
||||
for (num_old = 0; oldopts[num_old].name; num_old++) ;
|
||||
for (num_new = 0; newopts[num_new].name; num_new++) ;
|
||||
|
||||
*option_offset = global_option_offset + OPTION_OFFSET;
|
||||
|
||||
merge = malloc(sizeof (struct option) * (num_new + num_old + 1));
|
||||
memcpy(merge, oldopts, num_old * sizeof (struct option));
|
||||
for (i = 0; i < num_new; i++) {
|
||||
merge[num_old + i] = newopts[i];
|
||||
merge[num_old + i].val += *option_offset;
|
||||
}
|
||||
memset(merge + num_old + num_new, 0, sizeof (struct option));
|
||||
|
||||
return merge;
|
||||
}
|
||||
|
||||
static void *
|
||||
fw_calloc(size_t count, size_t size)
|
||||
{
|
||||
void *p;
|
||||
|
||||
if ((p = (void *) calloc(count, size)) == NULL) {
|
||||
perror("iptables: calloc failed");
|
||||
exit(1);
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
#if 0
|
||||
static void *
|
||||
fw_malloc(size_t size)
|
||||
{
|
||||
void *p;
|
||||
|
||||
if ((p = (void *) malloc(size)) == NULL) {
|
||||
perror("iptables: malloc failed");
|
||||
exit(1);
|
||||
}
|
||||
return p;
|
||||
}
|
||||
|
||||
static int
|
||||
check_inverse(const char option[], int *invert)
|
||||
{
|
||||
if (option && strcmp(option, "!") == 0) {
|
||||
if (*invert)
|
||||
exit_error(PARAMETER_PROBLEM,
|
||||
"Multiple `!' flags not allowed");
|
||||
|
||||
*invert = TRUE;
|
||||
return TRUE;
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
#endif
|
||||
|
||||
static struct iptables_target *
|
||||
find_t(char *name)
|
||||
{
|
||||
struct iptables_target *m;
|
||||
for (m = t_list; m; m = m->next) {
|
||||
if (strcmp(m->name, name) == 0)
|
||||
return m;
|
||||
}
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static struct iptables_target *
|
||||
get_target_name(char *name)
|
||||
{
|
||||
void *handle;
|
||||
char *error;
|
||||
char *new_name, *lname;
|
||||
struct iptables_target *m;
|
||||
|
||||
char path[sizeof (IPT_LIB_DIR) + sizeof ("/libipt_.so") + strlen(name)];
|
||||
|
||||
new_name = malloc(strlen(name) + 1);
|
||||
lname = malloc(strlen(name) + 1);
|
||||
if (new_name)
|
||||
memset(new_name, '\0', strlen(name) + 1);
|
||||
else
|
||||
exit_error(PARAMETER_PROBLEM, "get_target_name");
|
||||
|
||||
if (lname)
|
||||
memset(lname, '\0', strlen(name) + 1);
|
||||
else
|
||||
exit_error(PARAMETER_PROBLEM, "get_target_name");
|
||||
|
||||
strcpy(new_name, name);
|
||||
strcpy(lname, name);
|
||||
|
||||
if (isupper(lname[0])) {
|
||||
int i;
|
||||
for (i = 0; i < strlen(name); i++) {
|
||||
lname[i] = tolower(lname[i]);
|
||||
}
|
||||
}
|
||||
|
||||
if (islower(new_name[0])) {
|
||||
int i;
|
||||
for (i = 0; i < strlen(new_name); i++) {
|
||||
new_name[i] = toupper(new_name[i]);
|
||||
}
|
||||
}
|
||||
|
||||
sprintf(path, IPT_LIB_DIR "/libipt_%s.so", new_name);
|
||||
handle = dlopen(path, RTLD_LAZY);
|
||||
if (!handle) {
|
||||
sprintf(path, IPT_LIB_DIR "/libipt_%s.so", lname);
|
||||
handle = dlopen(path, RTLD_LAZY);
|
||||
if (!handle) {
|
||||
fputs(dlerror(), stderr);
|
||||
printf("\n");
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
m = dlsym(handle, new_name);
|
||||
if ((error = dlerror()) != NULL) {
|
||||
m = (struct iptables_target *) dlsym(handle, lname);
|
||||
if ((error = dlerror()) != NULL) {
|
||||
m = find_t(new_name);
|
||||
if (NULL == m) {
|
||||
m = find_t(lname);
|
||||
if (NULL == m) {
|
||||
fputs(error, stderr);
|
||||
fprintf(stderr, "\n");
|
||||
dlclose(handle);
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return m;
|
||||
}
|
||||
|
||||
#if 0
|
||||
static char *
|
||||
addr_to_dotted(const struct in_addr *addrp)
|
||||
{
|
||||
static char buf[20];
|
||||
const unsigned char *bytep;
|
||||
|
||||
bytep = (const unsigned char *) &(addrp->s_addr);
|
||||
sprintf(buf, "%d.%d.%d.%d", bytep[0], bytep[1], bytep[2], bytep[3]);
|
||||
return buf;
|
||||
}
|
||||
#endif
|
||||
|
||||
struct in_addr *dotted_to_addr(const char *dotted)
|
||||
{
|
||||
static struct in_addr addr;
|
||||
unsigned char *addrp;
|
||||
char *p, *q;
|
||||
unsigned int onebyte;
|
||||
int i;
|
||||
char buf[20];
|
||||
|
||||
/* copy dotted string, because we need to modify it */
|
||||
strncpy(buf, dotted, sizeof (buf) - 1);
|
||||
addrp = (unsigned char *) &(addr.s_addr);
|
||||
|
||||
p = buf;
|
||||
for (i = 0; i < 3; i++) {
|
||||
if ((q = strchr(p, '.')) == NULL)
|
||||
return (struct in_addr *) NULL;
|
||||
|
||||
*q = '\0';
|
||||
if (string_to_number(p, 0, 255, &onebyte) == -1)
|
||||
return (struct in_addr *) NULL;
|
||||
|
||||
addrp[i] = (unsigned char) onebyte;
|
||||
p = q + 1;
|
||||
}
|
||||
|
||||
/* we've checked 3 bytes, now we check the last one */
|
||||
if (string_to_number(p, 0, 255, &onebyte) == -1)
|
||||
return (struct in_addr *) NULL;
|
||||
|
||||
addrp[3] = (unsigned char) onebyte;
|
||||
|
||||
return &addr;
|
||||
}
|
||||
|
||||
int
|
||||
build_st(struct iptables_target *target, struct ipt_entry_target *t)
|
||||
{
|
||||
unsigned int nfcache = 0;
|
||||
|
||||
if (target) {
|
||||
size_t size;
|
||||
|
||||
size =
|
||||
IPT_ALIGN(sizeof (struct ipt_entry_target)) + target->size;
|
||||
|
||||
if (NULL == t) {
|
||||
target->t = fw_calloc(1, size);
|
||||
target->init(target->t, &nfcache);
|
||||
target->t->u.target_size = size;
|
||||
} else {
|
||||
target->t = t;
|
||||
}
|
||||
strcpy(target->t->u.user.name, target->name);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
static int parse_ipt(struct action_util *a,int *argc_p,
|
||||
char ***argv_p, int tca_id, struct nlmsghdr *n)
|
||||
{
|
||||
struct iptables_target *m = NULL;
|
||||
struct ipt_entry fw;
|
||||
struct rtattr *tail;
|
||||
int c;
|
||||
int rargc = *argc_p;
|
||||
char **argv = *argv_p;
|
||||
struct option *opts;
|
||||
int argc = 0, iargc = 0;
|
||||
char k[16];
|
||||
int res = -1;
|
||||
int size = 0;
|
||||
int iok = 0, ok = 0;
|
||||
__u32 hook = 0, index = 0;
|
||||
res = 0;
|
||||
|
||||
{
|
||||
int i;
|
||||
for (i = 0; i < rargc; i++) {
|
||||
if (NULL == argv[i] || 0 == strcmp(argv[i], "action")) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
iargc = argc = i;
|
||||
}
|
||||
|
||||
if (argc <= 2) {
|
||||
fprintf(stderr,"bad arguements to ipt %d vs %d \n", argc, rargc);
|
||||
return -1;
|
||||
}
|
||||
|
||||
opts = copy_options(original_opts);
|
||||
|
||||
if (NULL == opts)
|
||||
return -1;
|
||||
|
||||
while (1) {
|
||||
c = getopt_long(argc, argv, "j:", opts, NULL);
|
||||
if (c == -1)
|
||||
break;
|
||||
switch (c) {
|
||||
case 'j':
|
||||
m = get_target_name(optarg);
|
||||
if (NULL != m) {
|
||||
|
||||
if (0 > build_st(m, NULL)) {
|
||||
printf(" %s error \n", m->name);
|
||||
return -1;
|
||||
}
|
||||
opts =
|
||||
merge_options(opts, m->extra_opts,
|
||||
&m->option_offset);
|
||||
} else {
|
||||
fprintf(stderr," failed to find target %s\n\n", optarg);
|
||||
return -1;
|
||||
}
|
||||
ok++;
|
||||
break;
|
||||
|
||||
default:
|
||||
memset(&fw, 0, sizeof (fw));
|
||||
if (m) {
|
||||
unsigned int fake_flags = 0;
|
||||
m->parse(c - m->option_offset, argv, 0,
|
||||
&fake_flags, NULL, &m->t);
|
||||
} else {
|
||||
fprintf(stderr," failed to find target %s\n\n", optarg);
|
||||
return -1;
|
||||
|
||||
}
|
||||
ok++;
|
||||
|
||||
/*m->final_check(m->t); -- Is this necessary?
|
||||
** useful when theres depencies
|
||||
** eg ipt_TCPMSS.c has have the TCP match loaded
|
||||
** before this can be used;
|
||||
** also seems the ECN target needs it
|
||||
*/
|
||||
|
||||
break;
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
if (iargc > optind) {
|
||||
if (matches(argv[optind], "index") == 0) {
|
||||
if (get_u32(&index, argv[optind + 1], 10)) {
|
||||
fprintf(stderr, "Illegal \"index\"\n");
|
||||
return -1;
|
||||
}
|
||||
iok++;
|
||||
|
||||
optind += 2;
|
||||
}
|
||||
}
|
||||
|
||||
if (!ok && !iok) {
|
||||
fprintf(stderr," ipt Parser BAD!! (%s)\n", *argv);
|
||||
return -1;
|
||||
}
|
||||
|
||||
{
|
||||
struct tcmsg *t = NLMSG_DATA(n);
|
||||
if (t->tcm_parent != TC_H_ROOT
|
||||
&& t->tcm_parent == TC_H_MAJ(TC_H_INGRESS)) {
|
||||
hook = NF_IP_PRE_ROUTING;
|
||||
} else {
|
||||
hook = NF_IP_POST_ROUTING;
|
||||
}
|
||||
}
|
||||
|
||||
tail = (struct rtattr *) (((void *) n) + NLMSG_ALIGN(n->nlmsg_len));
|
||||
addattr_l(n, MAX_MSG, tca_id, NULL, 0);
|
||||
fprintf(stdout, "tablename: %s hook: %s\n ", tname, ipthooks[hook]);
|
||||
fprintf(stdout, "\ttarget: ");
|
||||
|
||||
if (m)
|
||||
m->print(NULL, m->t, 0);
|
||||
fprintf(stdout, " index %d\n", index);
|
||||
|
||||
if (strlen(tname) > 16) {
|
||||
size = 16;
|
||||
k[15] = 0;
|
||||
} else {
|
||||
size = 1 + strlen(tname);
|
||||
}
|
||||
strncpy(k, tname, size);
|
||||
|
||||
addattr_l(n, MAX_MSG, TCA_IPT_TABLE, k, size);
|
||||
addattr_l(n, MAX_MSG, TCA_IPT_HOOK, &hook, 4);
|
||||
addattr_l(n, MAX_MSG, TCA_IPT_INDEX, &index, 4);
|
||||
if (m)
|
||||
addattr_l(n, MAX_MSG, TCA_IPT_TARG, m->t, m->t->u.target_size);
|
||||
tail->rta_len =
|
||||
(((void *) n) + NLMSG_ALIGN(n->nlmsg_len)) - (void *) tail;
|
||||
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
*argc_p = rargc - iargc;
|
||||
*argv_p = argv;
|
||||
|
||||
optind = 1;
|
||||
|
||||
return 0;
|
||||
|
||||
}
|
||||
|
||||
static int
|
||||
print_ipt(struct action_util *au,FILE * f, struct rtattr *arg)
|
||||
{
|
||||
struct rtattr *tb[TCA_IPT_MAX + 1];
|
||||
struct ipt_entry_target *t = NULL;
|
||||
struct option *opts;
|
||||
|
||||
if (arg == NULL)
|
||||
return -1;
|
||||
|
||||
opts = copy_options(original_opts);
|
||||
|
||||
if (NULL == opts)
|
||||
return -1;
|
||||
memset(tb, 0, sizeof (tb));
|
||||
parse_rtattr(tb, TCA_IPT_MAX, RTA_DATA(arg), RTA_PAYLOAD(arg));
|
||||
|
||||
if (tb[TCA_IPT_TABLE] == NULL) {
|
||||
fprintf(f, "[NULL ipt table name ] assuming mangle ");
|
||||
} else {
|
||||
fprintf(f, "tablename: %s ",
|
||||
(char *) RTA_DATA(tb[TCA_IPT_TABLE]));
|
||||
}
|
||||
|
||||
if (tb[TCA_IPT_HOOK] == NULL) {
|
||||
fprintf(f, "[NULL ipt hook name ]\n ");
|
||||
return -1;
|
||||
} else {
|
||||
__u32 hook;
|
||||
hook = *(__u32 *) RTA_DATA(tb[TCA_IPT_HOOK]);
|
||||
fprintf(f, " hook: %s \n", ipthooks[hook]);
|
||||
}
|
||||
|
||||
if (tb[TCA_IPT_TARG] == NULL) {
|
||||
fprintf(f, "\t[NULL ipt target parameters ] \n");
|
||||
return -1;
|
||||
} else {
|
||||
struct iptables_target *m = NULL;
|
||||
t = RTA_DATA(tb[TCA_IPT_TARG]);
|
||||
m = get_target_name(t->u.user.name);
|
||||
if (NULL != m) {
|
||||
if (0 > build_st(m, t)) {
|
||||
fprintf(stderr, " %s error \n", m->name);
|
||||
return -1;
|
||||
}
|
||||
|
||||
opts =
|
||||
merge_options(opts, m->extra_opts,
|
||||
&m->option_offset);
|
||||
} else {
|
||||
fprintf(stderr, " failed to find target %s\n\n",
|
||||
t->u.user.name);
|
||||
return -1;
|
||||
}
|
||||
fprintf(f, "\ttarget ");
|
||||
m->print(NULL, m->t, 0);
|
||||
if (tb[TCA_IPT_INDEX] == NULL) {
|
||||
fprintf(f, " [NULL ipt target index ]\n");
|
||||
} else {
|
||||
__u32 index;
|
||||
index = *(__u32 *) RTA_DATA(tb[TCA_IPT_INDEX]);
|
||||
fprintf(f, " \n\tindex %d", index);
|
||||
}
|
||||
|
||||
if (tb[TCA_IPT_CNT]) {
|
||||
struct tc_cnt *c = RTA_DATA(tb[TCA_IPT_CNT]);;
|
||||
fprintf(f, " ref %d bind %d", c->refcnt, c->bindcnt);
|
||||
}
|
||||
if (show_stats) {
|
||||
if (tb[TCA_IPT_TM]) {
|
||||
struct tcf_t *tm = RTA_DATA(tb[TCA_IPT_TM]);
|
||||
print_tm(f,tm);
|
||||
}
|
||||
}
|
||||
fprintf(f, " \n");
|
||||
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
struct action_util ipt_action_util = {
|
||||
.id = "ipt",
|
||||
.parse_aopt = parse_ipt,
|
||||
.print_aopt = print_ipt,
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user