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Defensive programming: don't crash with broken node_t

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Every node_t has either a routerinfo_t or a routerstatus_t, so every
node_t *should* have a nickname.  Nonetheless, let's make sure in
hex_digest_nickname_matches().

Should quiet CID 434.
This commit is contained in:
Nick Mathewson 2011-07-01 11:43:34 -04:00
parent 1d18c2deb6
commit eca982d3eb
1 changed files with 2 additions and 0 deletions
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2
src/or/routerlist.c
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@ -2274,6 +2274,8 @@ hex_digest_nickname_matches(const char *hexdigest, const char *identity_digest,
return 0;
if (nn_char == '=' || nn_char == '~') {
if (!nickname)
return 0;
if (strcasecmp(nn_buf, nickname))
return 0;
if (nn_char == '=' && !is_named)