[tor-commits] [tor/master] Check parameters to router_check_descriptor_address_port_consistency

[nickm@xxxxxxxxxxxxxx]

commit 4b4389280e397e4c79c0ceea97094d8593419d7b
Author: teor <teor2345@xxxxxxxxx>
Date:   Tue Aug 16 14:39:46 2016 +1000

    Check parameters to router_check_descriptor_address_port_consistency
---
 src/or/router.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/or/router.c b/src/or/router.c
index db800b8..8fed36c 100644
--- a/src/or/router.c
+++ b/src/or/router.c
@@ -1903,7 +1903,10 @@ static void
 router_check_descriptor_address_port_consistency(uint32_t ipv4h_desc_addr,
                                                  int listener_type)
 {
-  /* The first configured Port, which may be the magic constant CFG_AUTO_PORT.
+  assert(listener_type == CONN_TYPE_OR_LISTENER ||
+         listener_type == CONN_TYPE_DIR_LISTENER);
+
+  /* The first advertised Port may be the magic constant CFG_AUTO_PORT.
    */
   int port_v4_cfg = get_first_advertised_port_by_type_af(listener_type,
                                                          AF_INET);
@@ -1913,6 +1916,10 @@ router_check_descriptor_address_port_consistency(uint32_t ipv4h_desc_addr,
         const tor_addr_t *port_addr = get_first_advertised_addr_by_type_af(
                                                                 listener_type,
                                                                 AF_INET);
+        /* If we're building a descriptor with no advertised address,
+         * something is terribly wrong. */
+        assert(port_addr);
+
         tor_addr_t desc_addr;
         char port_addr_str[TOR_ADDR_BUF_LEN];
         char desc_addr_str[TOR_ADDR_BUF_LEN];



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