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- A bug was fixed that caused the server not to answer some valid Solicit

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and Request packets, if the dynamic range covering any requested addresses
  had been deleted from configuration.  [ISC-Bugs #19134]
This commit is contained in:
David Hankins
2009-01-07 20:12:03 +00:00
parent 4260dd9fee
commit 1aa0fe5e3e
2 changed files with 24 additions and 4 deletions
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24
server/dhcpv6.c
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@@ -955,8 +955,12 @@ try_client_v6_address(struct iasubopt **addr,
return ISC_R_FAILURE;
}
/*
* The address is not covered by this (or possibly any) dynamic
* range.
*/
if (!ipv6_in_pool(&tmp_addr, pool)) {
return ISC_R_FAILURE;
return ISC_R_ADDRNOTAVAIL;
}
if (lease6_exists(pool, &tmp_addr)) {
@@ -1643,7 +1647,9 @@ reply_process_ia_na(struct reply_state *reply, struct option_cache *ia) {
if (status == ISC_R_CANCELED)
break;
if ((status != ISC_R_SUCCESS) && (status != ISC_R_ADDRINUSE))
if ((status != ISC_R_SUCCESS) &&
(status != ISC_R_ADDRINUSE) &&
(status != ISC_R_ADDRNOTAVAIL))
goto cleanup;
}
@@ -2032,11 +2038,21 @@ reply_process_addr(struct reply_state *reply, struct option_cache *addr) {
(reply->packet->dhcpv6_msg_type == DHCPV6_REBIND)) {
status = reply_process_try_addr(reply, &tmp_addr);
/* Either error out or skip this address. */
/*
* If the address is in use, or isn't in any dynamic
* range, continue as normal. If any other error was
* found, error out.
*/
if ((status != ISC_R_SUCCESS) &&
(status != ISC_R_ADDRINUSE))
(status != ISC_R_ADDRINUSE) &&
(status != ISC_R_ADDRNOTAVAIL))
goto cleanup;
/*
* If we didn't honor this lease, for solicit and
* request we simply omit it from our answer. For
* rebind, we send it with zeroed lifetimes.
*/
if (reply->lease == NULL) {
if (reply->packet->dhcpv6_msg_type ==
DHCPV6_REBIND) {