arpwatch-ignore.patch

*** arpwatch-2.1a10/db.c	2000-10-01 00:39:58.000000000 +0100
--- arpwatch-2.1a10/db.c	2017-03-25 23:07:13.409313332 +0000
***************
*** 75,80 ****
--- 75,91 ----
  	struct ainfo *next;
  };
  
+ int isignored(u_char *e) {
+     static char* ignored[] = {"aa:bb:cc:dd:ee:ff", NULL};
+     char **p;
+ 
+     for (p = ignored; *p != NULL; p++)
+        if (memcmp(e, *p, strlen(*p)) == 0)
+            return 1;
+ 
+     return 0;
+ }
+ 
  /* Address hash table */
  static struct ainfo ainfo_table[HASHSIZE];
  
***************
*** 134,141 ****
  			    (isdecnet(e) || isdecnet(e2)))
  				dosyslog(LOG_INFO,
  				    "suppressed DECnet flip flop", a, e, e2);
! 			else
! 				report("flip flop", a, e, e2, &t, &t2);
  			ap->elist[1] = ap->elist[0];
  			ap->elist[0] = ep;
  			ep->t = t;
--- 145,156 ----
  			    (isdecnet(e) || isdecnet(e2)))
  				dosyslog(LOG_INFO,
  				    "suppressed DECnet flip flop", a, e, e2);
! 			else if ((isignored(e) == 0) || (isignored(e2) == 0)) {
!                                dosyslog(LOG_INFO, "Bonjour sleep service", a, e, e2);
!                             } else {
! 		               report("flip flop", a, e, e2, &t, &t2);
!                             }
! 
  			ap->elist[1] = ap->elist[0];
  			ap->elist[0] = ep;
  			ep->t = t;
***************
*** 165,171 ****
  	/* New ether address */
  	e2 = ap->elist[0]->e;
  	t2 = ap->elist[0]->t;
! 	report("changed ethernet address", a, e, e2, &t, &t2);
  	/* Make room at head of list */
  	alist_alloc(ap);
  	len = ap->ecount * sizeof(ap->elist[0]);
--- 180,192 ----
  	/* New ether address */
  	e2 = ap->elist[0]->e;
  	t2 = ap->elist[0]->t;
!         if ((isignored(e) == 0) || (isignored(e2) == 0)) {
!            dosyslog(LOG_INFO, "Bonjour sleep service", a, e, e2);
!         } else {
!             report("changed ethernet address", a, e, e2, &t, &t2);
!         }
! 
! 
  	/* Make room at head of list */
  	alist_alloc(ap);
  	len = ap->ecount * sizeof(ap->elist[0]);