141 lines
4.4 KiB
Diff
141 lines
4.4 KiB
Diff
diff -up dhcp-4.2.0/server/dhcpv6.c.noprefixavail dhcp-4.2.0/server/dhcpv6.c
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--- dhcp-4.2.0/server/dhcpv6.c.noprefixavail 2010-10-07 13:48:45.000000000 +0200
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+++ dhcp-4.2.0/server/dhcpv6.c 2010-10-13 11:00:25.000000000 +0200
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@@ -1134,7 +1134,7 @@ try_client_v6_prefix(struct iasubopt **p
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return DHCP_R_INVALIDARG;
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}
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tmp_plen = (int) requested_pref->data[0];
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- if ((tmp_plen < 3) || (tmp_plen > 128)) {
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+ if ((tmp_plen < 3) || (tmp_plen > 128) ||((int)tmp_plen != pool->units)) {
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return ISC_R_FAILURE;
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}
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memcpy(&tmp_pref, requested_pref->data + 1, sizeof(tmp_pref));
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@@ -1147,9 +1147,8 @@ try_client_v6_prefix(struct iasubopt **p
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return ISC_R_FAILURE;
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}
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- if (((int)tmp_plen != pool->units) ||
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- !ipv6_in_pool(&tmp_pref, pool)) {
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- return ISC_R_FAILURE;
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+ if (!ipv6_in_pool(&tmp_pref, pool)) {
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+ return ISC_R_ADDRNOTAVAIL;
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}
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if (prefix6_exists(pool, &tmp_pref, tmp_plen)) {
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@@ -1409,13 +1408,6 @@ lease_to_client(struct data_string *repl
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if ((status != ISC_R_SUCCESS) &&
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(status != ISC_R_NORESOURCES))
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goto exit;
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-
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- /*
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- * If any prefix cannot be given to any IA_PD, then
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- * set the NoPrefixAvail status code.
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- */
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- if (reply.client_resources == 0)
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- no_resources_avail = ISC_TRUE;
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}
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/*
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@@ -1549,36 +1541,6 @@ lease_to_client(struct data_string *repl
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reply.opt_state, reply.packet,
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required_opts_NAA,
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NULL);
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- } else if (no_resources_avail && (reply.ia_count == 0) &&
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- (reply.packet->dhcpv6_msg_type == DHCPV6_SOLICIT))
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- {
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- /* Set the NoPrefixAvail status code. */
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- if (!set_status_code(STATUS_NoPrefixAvail,
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- "No prefixes available for this "
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- "interface.", reply.opt_state)) {
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- log_error("lease_to_client: Unable to set "
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- "NoPrefixAvail status code.");
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- goto exit;
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- }
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-
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- /* Rewind the cursor to the start. */
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- reply.cursor = REPLY_OPTIONS_INDEX;
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-
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- /*
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- * Produce an advertise that includes only:
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- *
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- * Status code.
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- * Server DUID.
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- * Client DUID.
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- */
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- reply.buf.reply.msg_type = DHCPV6_ADVERTISE;
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- reply.cursor += store_options6((char *)reply.buf.data +
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- reply.cursor,
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- sizeof(reply.buf) -
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- reply.cursor,
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- reply.opt_state, reply.packet,
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- required_opts_NAA,
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- NULL);
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} else {
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/*
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* Having stored the client's IA's, store any options that
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@@ -2793,16 +2755,18 @@ find_client_temporaries(struct reply_sta
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*/
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static isc_result_t
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reply_process_try_addr(struct reply_state *reply, struct iaddr *addr) {
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- isc_result_t status = ISC_R_NORESOURCES;
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+ isc_result_t status = ISC_R_ADDRNOTAVAIL;
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struct ipv6_pool *pool;
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int i;
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struct data_string data_addr;
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if ((reply == NULL) || (reply->shared == NULL) ||
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- (reply->shared->ipv6_pools == NULL) || (addr == NULL) ||
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- (reply->lease != NULL))
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+ (addr == NULL) || (reply->lease != NULL))
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return DHCP_R_INVALIDARG;
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+ if (reply->shared->ipv6_pools == NULL)
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+ return ISC_R_ADDRNOTAVAIL;
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+
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memset(&data_addr, 0, sizeof(data_addr));
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data_addr.len = addr->len;
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data_addr.data = addr->iabuf;
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@@ -3314,7 +3278,9 @@ reply_process_ia_pd(struct reply_state *
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if (status == ISC_R_CANCELED)
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break;
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- if ((status != ISC_R_SUCCESS) && (status != ISC_R_ADDRINUSE))
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+ if ((status != ISC_R_SUCCESS) &&
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+ (status != ISC_R_ADDRINUSE) &&
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+ (status != ISC_R_ADDRNOTAVAIL))
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goto cleanup;
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}
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@@ -3594,7 +3560,8 @@ reply_process_prefix(struct reply_state
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/* Either error out or skip this prefix. */
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if ((status != ISC_R_SUCCESS) &&
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- (status != ISC_R_ADDRINUSE))
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+ (status != ISC_R_ADDRINUSE) &&
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+ (status != ISC_R_ADDRNOTAVAIL))
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goto cleanup;
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if (reply->lease == NULL) {
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@@ -3773,16 +3740,18 @@ prefix_is_owned(struct reply_state *repl
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static isc_result_t
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reply_process_try_prefix(struct reply_state *reply,
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struct iaddrcidrnet *pref) {
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- isc_result_t status = ISC_R_NORESOURCES;
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+ isc_result_t status = ISC_R_ADDRNOTAVAIL;
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struct ipv6_pool *pool;
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int i;
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struct data_string data_pref;
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if ((reply == NULL) || (reply->shared == NULL) ||
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- (reply->shared->ipv6_pools == NULL) || (pref == NULL) ||
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- (reply->lease != NULL))
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+ (pref == NULL) || (reply->lease != NULL))
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return DHCP_R_INVALIDARG;
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+ if (reply->shared->ipv6_pools == NULL)
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+ return ISC_R_ADDRNOTAVAIL;
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+
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memset(&data_pref, 0, sizeof(data_pref));
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data_pref.len = 17;
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if (!buffer_allocate(&data_pref.buffer, data_pref.len, MDL)) {
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