diff options
Diffstat (limited to 'services/cache/rrset.c')
| -rw-r--r-- | services/cache/rrset.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/services/cache/rrset.c b/services/cache/rrset.c index 7e5732b760f2..0b41fcd7dc3f 100644 --- a/services/cache/rrset.c +++ b/services/cache/rrset.c @@ -47,6 +47,7 @@ #include "util/data/msgreply.h" #include "util/regional.h" #include "util/alloc.h" +#include "util/net_help.h" void rrset_markdel(void* key) @@ -237,6 +238,37 @@ rrset_cache_update(struct rrset_cache* r, struct rrset_ref* ref, return 0; } +void rrset_cache_update_wildcard(struct rrset_cache* rrset_cache, + struct ub_packed_rrset_key* rrset, uint8_t* ce, size_t ce_len, + struct alloc_cache* alloc, time_t timenow) +{ + struct rrset_ref ref; + uint8_t wc_dname[LDNS_MAX_DOMAINLEN+3]; + rrset = packed_rrset_copy_alloc(rrset, alloc, timenow); + if(!rrset) { + log_err("malloc failure in rrset_cache_update_wildcard"); + return; + } + /* ce has at least one label less then qname, we can therefore safely + * add the wildcard label. */ + wc_dname[0] = 1; + wc_dname[1] = (uint8_t)'*'; + memmove(wc_dname+2, ce, ce_len); + + rrset->rk.dname_len = ce_len + 2; + rrset->rk.dname = (uint8_t*)memdup(wc_dname, rrset->rk.dname_len); + if(!rrset->rk.dname) { + log_err("memdup failure in rrset_cache_update_wildcard"); + return; + } + + rrset->entry.hash = rrset_key_hash(&rrset->rk); + ref.key = rrset; + ref.id = rrset->id; + /* ignore ret: if it was in the cache, ref updated */ + (void)rrset_cache_update(rrset_cache, &ref, alloc, timenow); +} + struct ub_packed_rrset_key* rrset_cache_lookup(struct rrset_cache* r, uint8_t* qname, size_t qnamelen, uint16_t qtype, uint16_t qclass, uint32_t flags, time_t timenow, |