Unit test for reverse ipv6 lookup

svn:r1477

diff --git a/test/regress_dns.c b/test/regress_dns.c
index 5e6aa915e2dea76e2132032c3a212cdfc1b9f4e2..b742b74894a3826a924ad4accaa559d8227b8d20 100644 (file)
--- a/test/regress_dns.c
+++ b/test/regress_dns.c
@@ -219,6 +219,10 @@ dns_server_request_cb(struct evdns_server_request *req, void *data)
 {
        int i, r;
        const char TEST_ARPA[] = "11.11.168.192.in-addr.arpa";
+       const char TEST_IN6[] =
+           "f.e.f.e." "0.0.0.0." "0.0.0.0." "1.1.1.1."
+           "a.a.a.a." "0.0.0.0." "0.0.0.0." "0.f.f.f.ip6.arpa";
+
        for (i = 0; i < req->nquestions; ++i) {
                struct in_addr ans;
                ans.s_addr = htonl(0xc0a80b0bUL); /* 192.168.11.11 */
@@ -247,6 +251,14 @@ dns_server_request_cb(struct evdns_server_request *req, void *data)
                                                                                                   "ZZ.EXAMPLE.COM", 54321);
                        if (r<0)
                                dns_ok = 0;
+               } else if (req->questions[i]->type == EVDNS_TYPE_PTR &&
+                   req->questions[i]->dns_question_class == EVDNS_CLASS_INET &&
+                   !evutil_ascii_strcasecmp(req->questions[i]->name, TEST_IN6)){
+                       r = evdns_server_request_add_ptr_reply(req, NULL,
+                           req->questions[i]->name,
+                           "ZZ-INET6.EXAMPLE.COM", 54322);
+                       if (r<0)
+                               dns_ok = 0;
                 } else if (req->questions[i]->type == EVDNS_TYPE_A &&
                    req->questions[i]->dns_question_class == EVDNS_CLASS_INET &&
                    !evutil_ascii_strcasecmp(req->questions[i]->name, "drop.example.com")) {
@@ -317,11 +329,22 @@ dns_server_gethostbyname_cb(int result, char type, int count, int ttl,
        }
        case DNS_PTR: {
                char **addrs = addresses;
-               if (strcmp(addrs[0], "ZZ.EXAMPLE.COM") || ttl != 54321) {
-                       printf("Bad PTR response \"%s\" %d. ",
-                                       addrs[0], ttl);
-                       dns_ok = 0;
-                       goto out;
+               if (arg != (void*)6) {
+                       if (strcmp(addrs[0], "ZZ.EXAMPLE.COM") ||
+                           ttl != 54321) {
+                               printf("Bad PTR response \"%s\" %d. ",
+                                   addrs[0], ttl);
+                               dns_ok = 0;
+                               goto out;
+                       }
+               } else {
+                       if (strcmp(addrs[0], "ZZ-INET6.EXAMPLE.COM") ||
+                           ttl != 54322) {
+                               printf("Bad ipv6 PTR response \"%s\" %d. ",
+                                   addrs[0], ttl);
+                               dns_ok = 0;
+                               goto out;
+                       }
                }
                break;
        }
@@ -329,7 +352,7 @@ dns_server_gethostbyname_cb(int result, char type, int count, int ttl,
                printf("Bad response type %d. ", type);
                dns_ok = 0;
        }
-
+               
  out:
        if (++n_server_responses == 3) {
                event_loopexit(NULL);
@@ -343,6 +366,7 @@ dns_server(void)
        struct sockaddr_in my_addr;
        struct evdns_server_port *port=NULL;
        struct in_addr resolve_addr;
+       struct in6_addr resolve_addr6;
        struct evdns_base *base=NULL;
        struct evdns_request *req=NULL;
 
@@ -380,6 +404,12 @@ dns_server(void)
        resolve_addr.s_addr = htonl(0xc0a80b0bUL); /* 192.168.11.11 */
        evdns_base_resolve_reverse(base, &resolve_addr, 0,
             dns_server_gethostbyname_cb, NULL);
+       memcpy(resolve_addr6.s6_addr,
+           "\xff\xf0\x00\x00\x00\x00\xaa\xaa"
+           "\x11\x11\x00\x00\x00\x00\xef\xef", 16);
+       evdns_base_resolve_reverse_ipv6(base, &resolve_addr6, 0,
+            dns_server_gethostbyname_cb, (void*)6);
+
        req = evdns_base_resolve_ipv4(base,
            "drop.example.com", DNS_QUERY_NO_SEARCH,
            dns_server_gethostbyname_cb, (void*)(char*)90909);