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-rw-r--r--src/or/dns.c11
-rw-r--r--src/or/dns.h5
-rw-r--r--src/test/test_dns.c66
3 files changed, 74 insertions, 8 deletions
diff --git a/src/or/dns.c b/src/or/dns.c
index 234dfbe687..297ac6f0d5 100644
--- a/src/or/dns.c
+++ b/src/or/dns.c
@@ -111,9 +111,6 @@ static int launch_resolve(cached_resolve_t *resolve);
static void add_wildcarded_test_address(const char *address);
static int configure_nameservers(int force);
static int answer_is_wildcarded(const char *ip);
-static int set_exitconn_info_from_resolve(edge_connection_t *exitconn,
- const cached_resolve_t *resolve,
- char **hostname_out);
static int evdns_err_is_transient(int err);
static void inform_pending_connections(cached_resolve_t *resolve);
static void make_pending_resolve_cached(cached_resolve_t *cached);
@@ -859,10 +856,10 @@ dns_resolve_impl,(edge_connection_t *exitconn, int is_resolve,
* Return -2 on a transient error, -1 on a permenent error, and 1 on
* a successful lookup.
*/
-static int
-set_exitconn_info_from_resolve(edge_connection_t *exitconn,
- const cached_resolve_t *resolve,
- char **hostname_out)
+MOCK_IMPL(STATIC int,
+set_exitconn_info_from_resolve,(edge_connection_t *exitconn,
+ const cached_resolve_t *resolve,
+ char **hostname_out))
{
int ipv4_ok, ipv6_ok, answer_with_ipv4, r;
uint32_t begincell_flags;
diff --git a/src/or/dns.h b/src/or/dns.h
index 163d61b881..64e970a222 100644
--- a/src/or/dns.h
+++ b/src/or/dns.h
@@ -46,6 +46,11 @@ const char *hostname));
cached_resolve_t *dns_get_cache_entry(cached_resolve_t *query);
void dns_insert_cache_entry(cached_resolve_t *new_entry);
+MOCK_DECL(STATIC int,
+set_exitconn_info_from_resolve,(edge_connection_t *exitconn,
+ const cached_resolve_t *resolve,
+ char **hostname_out));
+
#endif
#endif
diff --git a/src/test/test_dns.c b/src/test/test_dns.c
index 3fbb6f25d9..0ed3c9db44 100644
--- a/src/test/test_dns.c
+++ b/src/test/test_dns.c
@@ -576,12 +576,76 @@ NS(test_main)(void *arg)
#define NS_SUBMODULE ASPECT(resolve_impl, cache_hit_cached)
+/* Given that a finished DNS resolve is available in our cache, we want
+ * dns_resolve_impl() return it to called via resolve_out and pass the
+ * handling to set_exitconn_info_from_resolve function.
+ */
+static int
+NS(router_my_exit_policy_is_reject_star)(void)
+{
+ return 0;
+}
+
+static edge_connection_t *last_exitconn = NULL;
+static cached_resolve_t *last_resolve = NULL;
+
+static int
+NS(set_exitconn_info_from_resolve)(edge_connection_t *exitconn,
+ const cached_resolve_t *resolve,
+ char **hostname_out)
+{
+ last_exitconn = exitconn;
+ last_resolve = (cached_resolve_t *)resolve;
+
+ return 0;
+}
+
static void
NS(test_main)(void *arg)
{
- tt_skip();
+ int retval;
+ int made_pending = 0;
+
+ edge_connection_t *exitconn = create_valid_exitconn();
+ or_circuit_t *on_circ = tor_malloc_zero(sizeof(or_circuit_t));
+
+ cached_resolve_t *resolve_out = NULL;
+
+ cached_resolve_t *cache_entry = tor_malloc_zero(sizeof(cached_resolve_t));
+ cache_entry->magic = CACHED_RESOLVE_MAGIC;
+ cache_entry->state = CACHE_STATE_CACHED;
+ cache_entry->minheap_idx = -1;
+ cache_entry->expire = time(NULL) + 60 * 60;
+
+ TO_CONN(exitconn)->address = tor_strdup("torproject.org");
+
+ strlcpy(cache_entry->address, TO_CONN(exitconn)->address,
+ sizeof(cache_entry->address));
+
+ NS_MOCK(router_my_exit_policy_is_reject_star);
+ NS_MOCK(set_exitconn_info_from_resolve);
+
+ dns_init();
+
+ dns_insert_cache_entry(cache_entry);
+
+ retval = dns_resolve_impl(exitconn, 1, on_circ, NULL, &made_pending,
+ &resolve_out);
+
+ tt_int_op(retval,==,0);
+ tt_int_op(made_pending,==,0);
+ tt_assert(resolve_out == cache_entry);
+
+ tt_assert(last_exitconn == exitconn);
+ tt_assert(last_resolve == cache_entry);
done:
+ NS_UNMOCK(router_my_exit_policy_is_reject_star);
+ NS_UNMOCK(set_exitconn_info_from_resolve);
+ tor_free(on_circ);
+ tor_free(TO_CONN(exitconn)->address);
+ tor_free(cache_entry->pending_connections);
+ tor_free(cache_entry);
return;
}