ipv6 address part to PTR owner name conversion added

(:: not implemented)

diff --git a/drill/drill.c b/drill/drill.c
index 2ef8c344b2ce41a1e16d11c8c322be1ff77d63db..32b08b22233e0e14d9f975f3f349330086ed779c 100644 (file)
--- a/drill/drill.c
+++ b/drill/drill.c
@@ -86,6 +86,7 @@ main(int argc, char *argv[])
         ldns_pkt       *qpkt;
         char           *serv;
         char           *name;
+        char           *name2;
        char            *progname;
        char            *query_file = NULL;
        char            *answer_file = NULL;
@@ -553,8 +554,72 @@ main(int argc, char *argv[])
                        /*qname = ldns_rdf_new_addr_frm_str(name);*/
                        /* ipv4 or ipv6 addr? */
                        if (strchr(name, ':')) {
+                               name2 = malloc(65);
+                               c = 0;
+                               for (i=0; i<strlen(name); i++) {
+                                       if (name[i] == ':') {
+                                               if (i < strlen(name) && name[i + 1] == ':') {
+                                                       printf(":: not supported yet\n");
+                                                       exit(1);
+                                               } else {
+                                                       if (i + 2 == strlen(name) || name[i + 2] == ':') {
+                                                               name2[c] = '0';
+                                                               c++;
+                                                               name2[c] = '.';
+                                                               c++;
+                                                               name2[c] = '0';
+                                                               c++;
+                                                               name2[c] = '.';
+                                                               c++;
+                                                               name2[c] = '0';
+                                                               c++;
+                                                               name2[c] = '.';
+                                                               c++;
+                                                       } else if (i + 3 == strlen(name) || name[i + 3] == ':') {
+                                                               name2[c] = '0';
+                                                               c++;
+                                                               name2[c] = '.';
+                                                               c++;
+                                                               name2[c] = '0';
+                                                               c++;
+                                                               name2[c] = '.';
+                                                               c++;
+                                                       } else if (i + 4 == strlen(name) || name[i + 4] == ':') {
+                                                               name2[c] = '0';
+                                                               c++;
+                                                               name2[c] = '.';
+                                                               c++;
+                                                       }
+                                               }
+                                       } else {
+                                               name2[c] = name[i];
+                                               c++;
+                                               name2[c] = '.';
+                                               c++;
+                                       }
+                               }
+                               name2[c] = '\0';
+                               c++;
+/*
+                               while (strchr(name2, ':')) {
+                                       *(strchr(name2, ':')) = '.';
+                               }
                                printf("Reverse lookup for IPv6 not implemented yet, please use normal PTR query for the required address\n");
                                exit(1);
+*/
+                               qname = ldns_dname_new_frm_str(name2);
+                               qname_tmp = ldns_dname_reverse(qname);
+                               ldns_rdf_deep_free(qname);
+                               qname = qname_tmp;
+                               qname_tmp = ldns_dname_new_frm_str("ip6.arpa.");
+                               status = ldns_dname_cat(qname, qname_tmp);
+                               if (status != LDNS_STATUS_OK) {
+                                       fprintf(stderr, "error creating reverse address for ipv4: %s\n", ldns_get_errorstr_by_id(status));
+                                       exit(status);
+                               }
+                               ldns_rdf_deep_free(qname_tmp);
+
+                               free(name2);
                        } else {
                                qname = ldns_dname_new_frm_str(name);
                                qname_tmp = ldns_dname_reverse(qname);