tor

commit ded99992b831bfff782a3b3c612297a4634d3d88
parent 38cbfda119558877aeb4fa81578f0d0f6962d03e
Author: rl1987 <rl1987@sdf.lonestar.org>
Date:   Wed,  8 Apr 2020 20:01:21 +0300

Bail out of format_networkstatus_vote if fmt_addr32() failed.

Something is fishy if we cannot put IP address string into dir-vote line.

Diffstat:
M
src/feature/dirauth/dirvote.c
 | 
3
+++

1 file changed, 3 insertions(+), 0 deletions(-)
diff --git a/src/feature/dirauth/dirvote.c b/src/feature/dirauth/dirvote.c
@@ -372,6 +372,9 @@ format_networkstatus_vote(crypto_pk_t *private_signing_key,
     tor_free(bw_headers_line);
     tor_free(bw_file_digest);
 
+    if (ip_str[0] == '\0')
+      goto err;
+
     if (!tor_digest_is_zero(voter->legacy_id_digest)) {
       char fpbuf[HEX_DIGEST_LEN+1];
       base16_encode(fpbuf, sizeof(fpbuf), voter->legacy_id_digest, DIGEST_LEN);