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addr: Don't guess our address if no Address lines are valid

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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@torproject.org>
This commit is contained in:
David Goulet 2020-06-30 12:13:23 -04:00
parent 6f1423cb57
commit b14b1f2b1d
1 changed files with 4 additions and 2 deletions
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6
src/app/config/resolve_addr.c
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@ -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) {