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Fix a couple of crashes on malformed config files.

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Thanks to Stephan Zeisberg and
american fuzzy lop http://lcamtuf.coredump.cx/afl/
This commit is contained in:
Simon Kelley
2017-05-03 22:54:09 +01:00
parent b2a9c571eb
commit 561441320f
2 changed files with 6 additions and 2 deletions
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5
src/option.c
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@@ -3848,9 +3848,12 @@ err:
while (arg != last)
{
alias = canonicalise_opt(arg);
if (!alias || !target)
ret_err(_("bad CNAME"));
for (new = daemon->cnames; new; new = new->next)
if (hostname_isequal(new->alias, arg))
if (hostname_isequal(new->alias, alias))
ret_err(_("duplicate CNAME"));
new = opt_malloc(sizeof(struct cname));
new->next = daemon->cnames;