Mercurial > hg-stable
changeset 39549:55eea29833d2
narrow: validate patterns returned by expandnarrow
Remotes could supply malicious or invalid patterns. We should
validate them as soon as possible.
Differential Revision: https://phab.mercurial-scm.org/D4523
| author | Gregory Szorc <gregory.szorc@gmail.com> |
|---|---|
| date | Tue, 11 Sep 2018 10:36:07 -0700 |
| parents | 0d572769046a |
| children | f6bcb4f9cd3c |
| files | hgext/narrow/narrowcommands.py |
| diffstat | 1 files changed, 9 insertions(+), 1 deletions(-) [+] |
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--- a/hgext/narrow/narrowcommands.py Tue Sep 11 15:25:35 2018 -0700 +++ b/hgext/narrow/narrowcommands.py Tue Sep 11 10:36:07 2018 -0700 @@ -71,7 +71,15 @@ includepats, excludepats, heads) pullop.repo.ui.debug('Expanded narrowspec to inc=%s, exc=%s\n' % ( includepats, excludepats)) - return set(includepats), set(excludepats) + + includepats = set(includepats) + excludepats = set(excludepats) + + # Nefarious remote could supply unsafe patterns. Validate them. + narrowspec.validatepatterns(includepats) + narrowspec.validatepatterns(excludepats) + + return includepats, excludepats def clonenarrowcmd(orig, ui, repo, *args, **opts): """Wraps clone command, so 'hg clone' first wraps localrepo.clone()."""