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Andrew Tridgell
ded4fb157e
dowild()'s literal path folds the pattern char, but the [class]/[a-z] path
compared unfolded pattern bytes against the (folded) text, so iwildmatch() was
still case-asymmetric for character classes and ranges -- e.g. a daemon
'hosts deny = [A-Z]*.EVIL.COM' failed to match a lower-case host (access-control
fail-open, same class as the literal case). Fold p_ch for the escaped-member,
range-endpoint and plain-member comparisons; the range start (prev_ch) picks up
the folded value too. Only active under force_lower_case (iwildmatch), so
case-sensitive wildmatch() is unchanged.
Reported-by: Leonid Bugaev
(cherry picked from commit d443e8dc93)