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defs.h (18322) defs.h (19885)
1/*
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)defs.h 8.1 (Berkeley) 6/5/93
1/*
2 * Copyright (c) 1983, 1988, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright

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26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)defs.h 8.1 (Berkeley) 6/5/93
34 * $Id$
34 * $Id: defs.h,v 1.2 1996/09/16 17:03:29 wollman Exp $
35 */
36
35 */
36
37#ifndef __NetBSD__
38#ident "$Revision: 1.1.1.1 $"
39#endif
40
41/* Definitions for RIPv2 routing process.
42 *
43 * This code is based on the 4.4BSD `routed` daemon, with extensions to
44 * support:
45 * RIPv2, including variable length subnet masks.
46 * Router Discovery
47 * aggregate routes in the kernel tables.
48 * aggregate advertised routes.

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89#include <net/if.h>
90#include <net/route.h>
91#include <net/if_dl.h>
92#include <netinet/in.h>
93#include <arpa/inet.h>
94#define RIPVERSION RIPv2
95#include <protocols/routed.h>
96
37/* Definitions for RIPv2 routing process.
38 *
39 * This code is based on the 4.4BSD `routed` daemon, with extensions to
40 * support:
41 * RIPv2, including variable length subnet masks.
42 * Router Discovery
43 * aggregate routes in the kernel tables.
44 * aggregate advertised routes.

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85#include <net/if.h>
86#include <net/route.h>
87#include <net/if_dl.h>
88#include <netinet/in.h>
89#include <arpa/inet.h>
90#define RIPVERSION RIPv2
91#include <protocols/routed.h>
92
93#ifdef sgi
94#define USE_PASSIFNAME
95#endif
97
96
97
98/* Type of an IP address.
99 * Some systems do not like to pass structures, so do not use in_addr.
100 * Some systems think a long has 64 bits, which would be a gross waste.
101 * So define it here so it can be changed for the target system.
102 * It should be defined somewhere netinet/in.h, but it is not.
103 */
104#ifdef sgi
105#define naddr __uint32_t

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125 * turned off. These must be less than STALE_TIME.
126 */
127#define CHECK_BAD_INTERVAL 5 /* when an interface is known bad */
128#define CHECK_ACT_INTERVAL 30 /* when advertising */
129#define CHECK_QUIET_INTERVAL 300 /* when not */
130
131#define LIM_SEC(s,l) ((s).tv_sec = MIN((s).tv_sec, (l)))
132
98/* Type of an IP address.
99 * Some systems do not like to pass structures, so do not use in_addr.
100 * Some systems think a long has 64 bits, which would be a gross waste.
101 * So define it here so it can be changed for the target system.
102 * It should be defined somewhere netinet/in.h, but it is not.
103 */
104#ifdef sgi
105#define naddr __uint32_t

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125 * turned off. These must be less than STALE_TIME.
126 */
127#define CHECK_BAD_INTERVAL 5 /* when an interface is known bad */
128#define CHECK_ACT_INTERVAL 30 /* when advertising */
129#define CHECK_QUIET_INTERVAL 300 /* when not */
130
131#define LIM_SEC(s,l) ((s).tv_sec = MIN((s).tv_sec, (l)))
132
133/* Metric used for fake default routes. It ought to be 15, but when
134 * processing advertised routes, previous versions of `routed` added
135 * to the received metric and discarded the route if the total was 16
136 * or larger.
137 */
138#define FAKE_METRIC (HOPCNT_INFINITY-2)
133
139
140
134/* Router Discovery parameters */
135#ifndef sgi
136#define INADDR_ALLROUTERS_GROUP 0xe0000002 /* 224.0.0.2 */
137#endif
138#define MaxMaxAdvertiseInterval 1800
139#define MinMaxAdvertiseInterval 4
140#define DefMaxAdvertiseInterval 600
141#define DEF_PreferenceLevel 0
142#define MIN_PreferenceLevel 0x80000000
143
144#define MAX_INITIAL_ADVERT_INTERVAL 16
145#define MAX_INITIAL_ADVERTS 3
146#define MAX_RESPONSE_DELAY 2
147
148#define MAX_SOLICITATION_DELAY 1
149#define SOLICITATION_INTERVAL 3
150#define MAX_SOLICITATIONS 3
151
152
141/* Router Discovery parameters */
142#ifndef sgi
143#define INADDR_ALLROUTERS_GROUP 0xe0000002 /* 224.0.0.2 */
144#endif
145#define MaxMaxAdvertiseInterval 1800
146#define MinMaxAdvertiseInterval 4
147#define DefMaxAdvertiseInterval 600
148#define DEF_PreferenceLevel 0
149#define MIN_PreferenceLevel 0x80000000
150
151#define MAX_INITIAL_ADVERT_INTERVAL 16
152#define MAX_INITIAL_ADVERTS 3
153#define MAX_RESPONSE_DELAY 2
154
155#define MAX_SOLICITATION_DELAY 1
156#define SOLICITATION_INTERVAL 3
157#define MAX_SOLICITATIONS 3
158
159
160/* Bloated packet size for systems that simply add authentication to
161 * full-sized packets
162 */
163#define OVER_MAXPACKETSIZE (MAXPACKETSIZE+sizeof(struct netinfo)*2)
153/* typical packet buffers */
154union pkt_buf {
164/* typical packet buffers */
165union pkt_buf {
155 char packet[MAXPACKETSIZE+1];
166 char packet[OVER_MAXPACKETSIZE*2];
156 struct rip rip;
157};
158
159
167 struct rip rip;
168};
169
170
160/* no more routes than this, to protect ourself in case something goes
161 * whacko and starts broadcast zillions of bogus routes.
171/* No more routes than this, to protect ourself in case something goes
172 * whacko and starts broadcasting zillions of bogus routes.
162 */
163#define MAX_ROUTES (128*1024)
164extern int total_routes;
165
166/* Main, daemon routing table structure
167 */
168struct rt_entry {
169 struct radix_node rt_nodes[2]; /* radix tree glue */

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237 && (rt)->rt_dst == (A)->rts_router \
238 && (A)->rts_metric == (B)->rts_metric)))
239
240
241/* An "interface" is similar to a kernel ifnet structure, except it also
242 * handles "logical" or "IS_REMOTE" interfaces (remote gateways).
243 */
244struct interface {
173 */
174#define MAX_ROUTES (128*1024)
175extern int total_routes;
176
177/* Main, daemon routing table structure
178 */
179struct rt_entry {
180 struct radix_node rt_nodes[2]; /* radix tree glue */

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248 && (rt)->rt_dst == (A)->rts_router \
249 && (A)->rts_metric == (B)->rts_metric)))
250
251
252/* An "interface" is similar to a kernel ifnet structure, except it also
253 * handles "logical" or "IS_REMOTE" interfaces (remote gateways).
254 */
255struct interface {
245 struct interface *int_next, *int_prev;
256 struct interface *int_next, **int_prev;
257 struct interface *int_ahash, **int_ahash_prev;
258 struct interface *int_bhash, **int_bhash_prev;
259 struct interface *int_rlink, **int_rlink_prev;
260 struct interface *int_nhash, **int_nhash_prev;
246 char int_name[IFNAMSIZ+15+1]; /* big enough for IS_REMOTE */
247 u_short int_index;
248 naddr int_addr; /* address on this host (net order) */
249 naddr int_brdaddr; /* broadcast address (n) */
250 naddr int_dstaddr; /* other end of pt-to-pt link (n) */
251 naddr int_net; /* working network # (host order)*/
252 naddr int_mask; /* working net mask (host order) */
253 naddr int_ripv1_mask; /* for inferring a mask (n) */
254 naddr int_std_addr; /* class A/B/C address (n) */
255 naddr int_std_net; /* class A/B/C network (h) */
256 naddr int_std_mask; /* class A/B/C netmask (h) */
257 int int_rip_sock; /* for queries */
258 int int_if_flags; /* some bits copied from kernel */
259 u_int int_state;
260 time_t int_act_time; /* last thought healthy */
261 char int_name[IFNAMSIZ+15+1]; /* big enough for IS_REMOTE */
262 u_short int_index;
263 naddr int_addr; /* address on this host (net order) */
264 naddr int_brdaddr; /* broadcast address (n) */
265 naddr int_dstaddr; /* other end of pt-to-pt link (n) */
266 naddr int_net; /* working network # (host order)*/
267 naddr int_mask; /* working net mask (host order) */
268 naddr int_ripv1_mask; /* for inferring a mask (n) */
269 naddr int_std_addr; /* class A/B/C address (n) */
270 naddr int_std_net; /* class A/B/C network (h) */
271 naddr int_std_mask; /* class A/B/C netmask (h) */
272 int int_rip_sock; /* for queries */
273 int int_if_flags; /* some bits copied from kernel */
274 u_int int_state;
275 time_t int_act_time; /* last thought healthy */
276 time_t int_query_time;
261 u_short int_transitions; /* times gone up-down */
262 char int_metric;
263 char int_d_metric; /* for faked default route */
264 struct int_data {
265 u_int ipackets; /* previous network stats */
266 u_int ierrors;
267 u_int opackets;
268 u_int oerrors;
269#ifdef sgi
270 u_int odrops;
271#endif
272 time_t ts; /* timestamp on network stats */
273 } int_data;
277 u_short int_transitions; /* times gone up-down */
278 char int_metric;
279 char int_d_metric; /* for faked default route */
280 struct int_data {
281 u_int ipackets; /* previous network stats */
282 u_int ierrors;
283 u_int opackets;
284 u_int oerrors;
285#ifdef sgi
286 u_int odrops;
287#endif
288 time_t ts; /* timestamp on network stats */
289 } int_data;
274 char int_passwd[RIP_AUTH_PW_LEN]; /* RIPv2 password */
290 struct auth { /* authentication info */
291 u_char type;
292# define MAX_AUTH_KEYS 3
293 struct auth_key {
294 u_char key[RIP_AUTH_PW_LEN];
295 u_char keyid;
296 time_t start, end;
297 } keys[MAX_AUTH_KEYS];
298 } int_auth;
275 int int_rdisc_pref; /* advertised rdisc preference */
276 int int_rdisc_int; /* MaxAdvertiseInterval */
277 int int_rdisc_cnt;
278 struct timeval int_rdisc_timer;
279};
280
281/* bits in int_state */
282#define IS_ALIAS 0x0000001 /* interface alias */
283#define IS_SUBNET 0x0000002 /* interface on subnetted network */
284#define IS_REMOTE 0x0000004 /* interface is not on this machine */
285#define IS_PASSIVE 0x0000008 /* remote and does not do RIP */
286#define IS_EXTERNAL 0x0000010 /* handled by EGP or something */
287#define IS_CHECKED 0x0000020 /* still exists */
288#define IS_ALL_HOSTS 0x0000040 /* in INADDR_ALLHOSTS_GROUP */
289#define IS_ALL_ROUTERS 0x0000080 /* in INADDR_ALLROUTERS_GROUP */
299 int int_rdisc_pref; /* advertised rdisc preference */
300 int int_rdisc_int; /* MaxAdvertiseInterval */
301 int int_rdisc_cnt;
302 struct timeval int_rdisc_timer;
303};
304
305/* bits in int_state */
306#define IS_ALIAS 0x0000001 /* interface alias */
307#define IS_SUBNET 0x0000002 /* interface on subnetted network */
308#define IS_REMOTE 0x0000004 /* interface is not on this machine */
309#define IS_PASSIVE 0x0000008 /* remote and does not do RIP */
310#define IS_EXTERNAL 0x0000010 /* handled by EGP or something */
311#define IS_CHECKED 0x0000020 /* still exists */
312#define IS_ALL_HOSTS 0x0000040 /* in INADDR_ALLHOSTS_GROUP */
313#define IS_ALL_ROUTERS 0x0000080 /* in INADDR_ALLROUTERS_GROUP */
290#define IS_RIP_QUERIED 0x0000100 /* query broadcast */
314#define IS_DISTRUST 0x0000100 /* ignore untrusted routers */
291#define IS_BROKE 0x0000200 /* seems to be broken */
292#define IS_SICK 0x0000400 /* seems to be broken */
293#define IS_DUP 0x0000800 /* has a duplicate address */
315#define IS_BROKE 0x0000200 /* seems to be broken */
316#define IS_SICK 0x0000400 /* seems to be broken */
317#define IS_DUP 0x0000800 /* has a duplicate address */
294#define IS_ACTIVE 0x0001000 /* heard from it at least once */
318/* 0x0001000 spare */
295#define IS_NEED_NET_SYN 0x0002000 /* need RS_NET_SYN route */
296#define IS_NO_AG 0x0004000 /* do not aggregate subnets */
297#define IS_NO_SUPER_AG 0x0008000 /* do not aggregate networks */
298#define IS_NO_RIPV1_IN 0x0010000 /* no RIPv1 input at all */
299#define IS_NO_RIPV2_IN 0x0020000 /* no RIPv2 input at all */
300#define IS_NO_RIP_IN (IS_NO_RIPV1_IN | IS_NO_RIPV2_IN)
301#define IS_RIP_IN_OFF(s) (((s) & IS_NO_RIP_IN) == IS_NO_RIP_IN)
302#define IS_NO_RIPV1_OUT 0x0040000 /* no RIPv1 output at all */

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358 AGS_SUPPRESS | AGS_CORS_GATE)
359};
360
361
362/* parameters for interfaces */
363extern struct parm {
364 struct parm *parm_next;
365 char parm_name[IFNAMSIZ+1];
319#define IS_NEED_NET_SYN 0x0002000 /* need RS_NET_SYN route */
320#define IS_NO_AG 0x0004000 /* do not aggregate subnets */
321#define IS_NO_SUPER_AG 0x0008000 /* do not aggregate networks */
322#define IS_NO_RIPV1_IN 0x0010000 /* no RIPv1 input at all */
323#define IS_NO_RIPV2_IN 0x0020000 /* no RIPv2 input at all */
324#define IS_NO_RIP_IN (IS_NO_RIPV1_IN | IS_NO_RIPV2_IN)
325#define IS_RIP_IN_OFF(s) (((s) & IS_NO_RIP_IN) == IS_NO_RIP_IN)
326#define IS_NO_RIPV1_OUT 0x0040000 /* no RIPv1 output at all */

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382 AGS_SUPPRESS | AGS_CORS_GATE)
383};
384
385
386/* parameters for interfaces */
387extern struct parm {
388 struct parm *parm_next;
389 char parm_name[IFNAMSIZ+1];
366 naddr parm_addr_h;
390 naddr parm_net;
367 naddr parm_mask;
368
369 char parm_d_metric;
370 u_int parm_int_state;
371 int parm_rdisc_pref;
372 int parm_rdisc_int;
391 naddr parm_mask;
392
393 char parm_d_metric;
394 u_int parm_int_state;
395 int parm_rdisc_pref;
396 int parm_rdisc_int;
373 char parm_passwd[RIP_AUTH_PW_LEN+1];
397 struct auth parm_auth;
374} *parms;
375
376/* authority for internal networks */
377extern struct intnet {
378 struct intnet *intnet_next;
379 naddr intnet_addr;
380 naddr intnet_mask;
381 char intnet_metric;
382} *intnets;
383
398} *parms;
399
400/* authority for internal networks */
401extern struct intnet {
402 struct intnet *intnet_next;
403 naddr intnet_addr;
404 naddr intnet_mask;
405 char intnet_metric;
406} *intnets;
407
408/* trusted routers */
409extern struct tgate {
410 struct tgate *tgate_next;
411 naddr tgate_addr;
412} *tgates;
384
413
414enum output_type {OUT_QUERY, OUT_UNICAST, OUT_BROADCAST, OUT_MULTICAST,
415 NO_OUT_MULTICAST, NO_OUT_RIPV2};
385
416
417/* common output buffers */
418extern struct ws_buf {
419 struct rip *buf;
420 struct netinfo *n;
421 struct netinfo *base;
422 struct netinfo *lim;
423 enum output_type type;
424} v12buf, v2buf;
425
386extern pid_t mypid;
387extern naddr myaddr; /* main address of this system */
388
389extern int stopint; /* !=0 to stop */
390
391extern int sock_max;
392extern int rip_sock; /* RIP socket */
393extern struct interface *rip_sock_mcast; /* current multicast interface */

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399extern int supplier; /* process should supply updates */
400extern int lookforinterfaces; /* 1=probe for new up interfaces */
401extern int supplier_set; /* -s or -q requested */
402extern int ridhosts; /* 1=reduce host routes */
403extern int mhome; /* 1=want multi-homed host route */
404extern int advertise_mhome; /* 1=must continue adverising it */
405extern int auth_ok; /* 1=ignore auth if we do not care */
406
426extern pid_t mypid;
427extern naddr myaddr; /* main address of this system */
428
429extern int stopint; /* !=0 to stop */
430
431extern int sock_max;
432extern int rip_sock; /* RIP socket */
433extern struct interface *rip_sock_mcast; /* current multicast interface */

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439extern int supplier; /* process should supply updates */
440extern int lookforinterfaces; /* 1=probe for new up interfaces */
441extern int supplier_set; /* -s or -q requested */
442extern int ridhosts; /* 1=reduce host routes */
443extern int mhome; /* 1=want multi-homed host route */
444extern int advertise_mhome; /* 1=must continue adverising it */
445extern int auth_ok; /* 1=ignore auth if we do not care */
446
407extern struct timeval epoch; /* when started */
447extern struct timeval clk; /* system clock's idea of time */
448extern struct timeval epoch; /* system clock when started */
408extern struct timeval now; /* current idea of time */
409extern time_t now_stale;
410extern time_t now_expire;
411extern time_t now_garbage;
412
413extern struct timeval next_bcast; /* next general broadcast */
414extern struct timeval age_timer; /* next check of old routes */
415extern struct timeval no_flash; /* inhibit flash update until then */
416extern struct timeval rdisc_timer; /* next advert. or solicitation */
417extern int rdisc_ok; /* using solicited route */
418
419extern struct timeval ifinit_timer; /* time to check interfaces */
420
421extern naddr loopaddr; /* our address on loopback */
422extern int tot_interfaces; /* # of remote and local interfaces */
423extern int rip_interfaces; /* # of interfaces doing RIP */
424extern struct interface *ifnet; /* all interfaces */
449extern struct timeval now; /* current idea of time */
450extern time_t now_stale;
451extern time_t now_expire;
452extern time_t now_garbage;
453
454extern struct timeval next_bcast; /* next general broadcast */
455extern struct timeval age_timer; /* next check of old routes */
456extern struct timeval no_flash; /* inhibit flash update until then */
457extern struct timeval rdisc_timer; /* next advert. or solicitation */
458extern int rdisc_ok; /* using solicited route */
459
460extern struct timeval ifinit_timer; /* time to check interfaces */
461
462extern naddr loopaddr; /* our address on loopback */
463extern int tot_interfaces; /* # of remote and local interfaces */
464extern int rip_interfaces; /* # of interfaces doing RIP */
465extern struct interface *ifnet; /* all interfaces */
466extern struct interface *remote_if; /* remote interfaces */
425extern int have_ripv1_out; /* have a RIPv1 interface */
426extern int have_ripv1_in;
427extern int need_flash; /* flash update needed */
428extern struct timeval need_kern; /* need to update kernel table */
429extern int update_seqno; /* a route has changed */
430
431extern u_int tracelevel, new_tracelevel;
432#define MAX_TRACELEVEL 4

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444#define dup2(x,y) BSDdup2(x,y)
445#endif /* sgi */
446
447extern void fix_sock(int, char *);
448extern void fix_select(void);
449extern void rip_off(void);
450extern void rip_on(struct interface *);
451
467extern int have_ripv1_out; /* have a RIPv1 interface */
468extern int have_ripv1_in;
469extern int need_flash; /* flash update needed */
470extern struct timeval need_kern; /* need to update kernel table */
471extern int update_seqno; /* a route has changed */
472
473extern u_int tracelevel, new_tracelevel;
474#define MAX_TRACELEVEL 4

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486#define dup2(x,y) BSDdup2(x,y)
487#endif /* sgi */
488
489extern void fix_sock(int, char *);
490extern void fix_select(void);
491extern void rip_off(void);
492extern void rip_on(struct interface *);
493
452enum output_type {OUT_QUERY, OUT_UNICAST, OUT_BROADCAST, OUT_MULTICAST,
453 NO_OUT_MULTICAST, NO_OUT_RIPV2};
454extern int output(enum output_type, struct sockaddr_in *,
455 struct interface *, struct rip *, int);
494extern void bufinit(void);
495extern int output(enum output_type, struct sockaddr_in *,
496 struct interface *, struct rip *, int);
497extern void clr_ws_buf(struct ws_buf *, struct auth_key *, struct interface *);
456extern void rip_query(void);
457extern void rip_bcast(int);
458extern void supply(struct sockaddr_in *, struct interface *,
498extern void rip_query(void);
499extern void rip_bcast(int);
500extern void supply(struct sockaddr_in *, struct interface *,
459 enum output_type, int, int);
501 enum output_type, int, int, int);
460
461extern void msglog(char *, ...);
502
503extern void msglog(char *, ...);
504struct msg_limit {
505 naddr addr;
506 time_t until;
507};
508extern void msglim(struct msg_limit *, naddr, char *, ...);
462#define LOGERR(msg) msglog(msg ": %s", strerror(errno))
463extern void logbad(int, char *, ...);
464#define BADERR(dump,msg) logbad(dump,msg ": %s", strerror(errno))
465#ifdef DEBUG
466#define DBGERR(dump,msg) BADERR(dump,msg)
467#else
468#define DBGERR(dump,msg) LOGERR(msg)
469#endif

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479extern char *parse_parms(char *);
480extern char *check_parms(struct parm *);
481extern void get_parms(struct interface *);
482
483extern void lastlog(void);
484extern void trace_on(char *, int);
485extern void trace_off(char*, ...);
486extern void trace_flush(void);
509#define LOGERR(msg) msglog(msg ": %s", strerror(errno))
510extern void logbad(int, char *, ...);
511#define BADERR(dump,msg) logbad(dump,msg ": %s", strerror(errno))
512#ifdef DEBUG
513#define DBGERR(dump,msg) BADERR(dump,msg)
514#else
515#define DBGERR(dump,msg) LOGERR(msg)
516#endif

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526extern char *parse_parms(char *);
527extern char *check_parms(struct parm *);
528extern void get_parms(struct interface *);
529
530extern void lastlog(void);
531extern void trace_on(char *, int);
532extern void trace_off(char*, ...);
533extern void trace_flush(void);
487extern void set_tracelevel(void);
534extern void set_tracelevel(int);
488extern void trace_kernel(char *, ...);
489extern void trace_act(char *, ...);
490extern void trace_pkt(char *, ...);
491extern void trace_add_del(char *, struct rt_entry *);
492extern void trace_change(struct rt_entry *, u_int, naddr, naddr, int,
493 u_short, struct interface *, time_t, char *);
494extern void trace_if(char *, struct interface *);
495extern void trace_upslot(struct rt_entry *, struct rt_spare *,

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548void rt_xaddrs(struct rt_addrinfo *, struct sockaddr *, struct sockaddr *,
549 int);
550
551extern naddr std_mask(naddr);
552extern naddr ripv1_mask_net(naddr, struct interface *);
553extern naddr ripv1_mask_host(naddr,struct interface *);
554#define on_net(a,net,mask) (((ntohl(a) ^ (net)) & (mask)) == 0)
555extern int check_dst(naddr);
535extern void trace_kernel(char *, ...);
536extern void trace_act(char *, ...);
537extern void trace_pkt(char *, ...);
538extern void trace_add_del(char *, struct rt_entry *);
539extern void trace_change(struct rt_entry *, u_int, naddr, naddr, int,
540 u_short, struct interface *, time_t, char *);
541extern void trace_if(char *, struct interface *);
542extern void trace_upslot(struct rt_entry *, struct rt_spare *,

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595void rt_xaddrs(struct rt_addrinfo *, struct sockaddr *, struct sockaddr *,
596 int);
597
598extern naddr std_mask(naddr);
599extern naddr ripv1_mask_net(naddr, struct interface *);
600extern naddr ripv1_mask_host(naddr,struct interface *);
601#define on_net(a,net,mask) (((ntohl(a) ^ (net)) & (mask)) == 0)
602extern int check_dst(naddr);
556extern void addrouteforif(register struct interface *);
603extern struct interface *check_dup(naddr, naddr, naddr, int);
604extern int check_remote(struct interface *);
605extern int addrouteforif(register struct interface *);
557extern void ifinit(void);
558extern int walk_bad(struct radix_node *, struct walkarg *);
559extern int if_ok(struct interface *, char *);
560extern void if_sick(struct interface *);
561extern void if_bad(struct interface *);
606extern void ifinit(void);
607extern int walk_bad(struct radix_node *, struct walkarg *);
608extern int if_ok(struct interface *, char *);
609extern void if_sick(struct interface *);
610extern void if_bad(struct interface *);
611extern void if_link(struct interface *);
562extern struct interface *ifwithaddr(naddr, int, int);
563extern struct interface *ifwithname(char *, naddr);
564extern struct interface *ifwithindex(u_short);
565extern struct interface *iflookup(naddr);
612extern struct interface *ifwithaddr(naddr, int, int);
613extern struct interface *ifwithname(char *, naddr);
614extern struct interface *ifwithindex(u_short);
615extern struct interface *iflookup(naddr);
616
617extern struct auth_key *find_auth(struct interface *);
618extern void end_md5_auth(struct ws_buf *, struct auth_key *);
619
620#include <md5.h>