Fix sldns parse state prev dname.

git-svn-id: file:///svn/unbound/trunk@4468 be551aaa-1e26-0410-a405-d3ace91eadb9

diff --git a/sldns/str2wire.c b/sldns/str2wire.c
index 6759944e4a7f4967c52fa1501f19e05aab31776b..c8a1def75852b4f1273d29bba60db9e72067dab1 100644 (file)
--- a/sldns/str2wire.c
+++ b/sldns/str2wire.c
@@ -906,7 +906,7 @@ int sldns_fp2wire_rr_buf(FILE* in, uint8_t* rr, size_t* len, size_t* dname_len,
                *dname_len = 0;
                return LDNS_WIREPARSE_ERR_INCLUDE;
        } else {
-               return sldns_str2wire_rr_buf(line, rr, len, dname_len,
+               int r = sldns_str2wire_rr_buf(line, rr, len, dname_len,
                        parse_state?parse_state->default_ttl:0,
                        (parse_state&&parse_state->origin_len)?
                                parse_state->origin:NULL,
@@ -914,6 +914,13 @@ int sldns_fp2wire_rr_buf(FILE* in, uint8_t* rr, size_t* len, size_t* dname_len,
                        (parse_state&&parse_state->prev_rr_len)?
                                parse_state->prev_rr:NULL,
                        parse_state?parse_state->prev_rr_len:0);
+               if(r == LDNS_WIREPARSE_ERR_OK && (*dname_len) != 0 &&
+                       parse_state &&
+                       (*dname_len) <= sizeof(parse_state->prev_rr)) {
+                       memmove(parse_state->prev_rr, rr, *dname_len);
+                       parse_state->prev_rr_len = (*dname_len);
+               }
+               return r;
        }
        return LDNS_WIREPARSE_ERR_OK;
 }