[5509] in Athena Bugs
[Mark Rosenstein: netconfig: verify.c]
daemon@ATHENA.MIT.EDU (Richard Basch)
Wed Jul 11 17:05:53 1990
Date: Wed, 11 Jul 90 17:05:35 -0400
To: bugs@ATHENA.MIT.EDU
From: Richard Basch <probe@MIT.EDU>
Being installed (from Dynamic Host Conf project)...
Author: mar
Auditor: probe
This addresses the bugs about spurious "Address already in use" messages
appearing. In addition, it prints the ethernet address of the machines
using a given address, if it really is in use.
References:
changes.71 942
changes.71 833
-Richard
------- Forwarded Message
Date: Wed, 11 Jul 90 13:29:55 -0400
From: Mark Rosenstein <mar@MIT.EDU>
Sender: mar@MIT.EDU
To: probe@MIT.EDU
Subject: netconfig: verify.c
*** /tmp/,RCSt1019322 Wed Jul 11 13:28:42 1990
--- verify.c Wed Jul 11 13:00:29 1990
***************
*** 136,151 ****
}
if ((nh->nh_datalen < sizeof(*eh) + sizeof(*ea)) ||
(ea->arp_hrd != htons(ARPHRD_ETHER)) ||
(ea->arp_pro != htons(ETHERTYPE_IP)) ||
(ea->arp_hln != sizeof(struct ether_addr)) ||
(ea->arp_pln != sizeof(struct in_addr)) ||
(ea->arp_op != htons(ARPOP_REPLY)) ||
! (ntohl(_getlong(&(ea->arp_spa[0]))) != ni->ni_recommend))
continue;
! if (debug)
! printf("address is in use\n");
return(FAIL);
}
}
--- 136,156 ----
}
if ((nh->nh_datalen < sizeof(*eh) + sizeof(*ea)) ||
+ (eh->ether_type != ETHERTYPE_ARP) ||
(ea->arp_hrd != htons(ARPHRD_ETHER)) ||
(ea->arp_pro != htons(ETHERTYPE_IP)) ||
(ea->arp_hln != sizeof(struct ether_addr)) ||
(ea->arp_pln != sizeof(struct in_addr)) ||
(ea->arp_op != htons(ARPOP_REPLY)) ||
! (ntohl(_getlong(&(ea->arp_spa[0]))) != ni->ni_recommend) ||
! (bcmp(ea->arp_sha, pa, sizeof(struct ether_addr)) == 0))
continue;
! fprintf(stderr, "Address %d.%d.%d.%d is in use by %02x-%02x-%02x-%02x-%02x-%02x.\n",
! ea->arp_spa[0], ea->arp_spa[1], ea->arp_spa[2],
! ea->arp_spa[3], ea->arp_sha[0], ea->arp_sha[1],
! ea->arp_sha[2], ea->arp_sha[3], ea->arp_sha[4],
! ea->arp_sha[5]);
return(FAIL);
}
}
------- End Forwarded Message
