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update unbound from upstream

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Riccardo Spagni 2015-04-02 11:16:18 +02:00
parent b0151de601
commit 1f49833d4f
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GPG key ID: 55432DF31CCD4FCD
155 changed files with 5482 additions and 3440 deletions
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16
external/unbound/daemon/cachedump.c vendored
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@ -56,9 +56,9 @@
#include "iterator/iter_utils.h"
#include "iterator/iter_fwd.h"
#include "iterator/iter_hints.h"
#include "ldns/sbuffer.h"
#include "ldns/wire2str.h"
#include "ldns/str2wire.h"
#include "sldns/sbuffer.h"
#include "sldns/wire2str.h"
#include "sldns/str2wire.h"
/** dump one rrset zonefile line */
static int
@ -223,6 +223,8 @@ copy_msg(struct regional* region, struct lruhash_entry* e,
struct query_info** k, struct reply_info** d)
{
struct reply_info* rep = (struct reply_info*)e->data;
if(rep->rrset_count > RR_COUNT_MAX)
return 0; /* to protect against integer overflow */
*d = (struct reply_info*)regional_alloc_init(region, e->data,
sizeof(struct reply_info) +
sizeof(struct rrset_ref) * (rep->rrset_count-1) +
@ -470,6 +472,10 @@ load_rrset(SSL* ssl, sldns_buffer* buf, struct worker* worker)
log_warn("bad rrset without contents");
return 0;
}
if(rr_count > RR_COUNT_MAX || rrsig_count > RR_COUNT_MAX) {
log_warn("bad rrset with too many rrs");
return 0;
}
d->count = (size_t)rr_count;
d->rrsig_count = (size_t)rrsig_count;
d->security = (enum sec_status)security;
@ -646,6 +652,10 @@ load_msg(SSL* ssl, sldns_buffer* buf, struct worker* worker)
rep.ttl = (time_t)ttl;
rep.prefetch_ttl = PREFETCH_TTL_CALC(rep.ttl);
rep.security = (enum sec_status)security;
if(an > RR_COUNT_MAX || ns > RR_COUNT_MAX || ar > RR_COUNT_MAX) {
log_warn("error too many rrsets");
return 0; /* protect against integer overflow in alloc */
}
rep.an_numrrsets = (size_t)an;
rep.ns_numrrsets = (size_t)ns;
rep.ar_numrrsets = (size_t)ar;