[tor-commits] [tor/master] addr: Don't guess our address if no Address lines are valid

nickm at torproject.org nickm at torproject.org
Wed Jul 1 20:27:24 UTC 2020


commit b14b1f2b1d92b7f0e605c312fc59c42a48dea7dd
Author: David Goulet <dgoulet at torproject.org>
Date:   Tue Jun 30 12:13:23 2020 -0400

    addr: Don't guess our address if no Address lines are valid
    
    If at least one Address line is given but invalid, we should not attempt to
    guess our address.
    
    This commit sends back the "bail" signal so find_my_address() can return an
    error if the requested family doesn't exists but still an Address line is
    found which is likely another family.
    
    Fixed in #33235
    Related to #33233
    
    Signed-off-by: David Goulet <dgoulet at torproject.org>
---
 src/app/config/resolve_addr.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/app/config/resolve_addr.c b/src/app/config/resolve_addr.c
index 9c208efea..0070cf7ec 100644
--- a/src/app/config/resolve_addr.c
+++ b/src/app/config/resolve_addr.c
@@ -220,8 +220,10 @@ get_address_from_config(const or_options_t *options, int warn_severity,
     log_fn(warn_severity, LD_CONFIG,
            "No Address option found for family %s in configuration.",
            fmt_af_family(family));
-    /* No Address statement for family, inform caller to try next method. */
-    return FN_RET_NEXT;
+    /* No Address statement for family but one exists since Address is not
+     * NULL thus we have to stop now and not attempt to send back a guessed
+     * address. */
+    return FN_RET_BAIL;
   }
 
   if (num_valid_addr >= MAX_CONFIG_ADDRESS) {





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