user/dev discussion of public-inbox itself
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From: Eric Wong <e@80x24.org>
To: meta@public-inbox.org
Subject: [PATCH 4/4] lei mark: disallow '!' in labels
Date: Fri, 26 Mar 2021 09:51:26 +0000	[thread overview]
Message-ID: <20210326095126.8184-5-e@80x24.org> (raw)
In-Reply-To: <20210326095126.8184-1-e@80x24.org>

'!' could wreak havoc if exposed to a shell like bash.  It seems
like a rare character for use in file/directory/mailbox names.
---
 lib/PublicInbox/LeiMark.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/LeiMark.pm b/lib/PublicInbox/LeiMark.pm
index 7a2ccf77..6d236411 100644
--- a/lib/PublicInbox/LeiMark.pm
+++ b/lib/PublicInbox/LeiMark.pm
@@ -23,7 +23,7 @@ my %ERR = (
 		my ($label) = @_;
 		length($label) >= $L_MAX and
 			return "`$label' too long (must be <= $L_MAX)";
-		$label =~ m{\A[a-z0-9_][a-z0-9_\-\./\@\!,]*[a-z0-9]\z} ?
+		$label =~ m{\A[a-z0-9_][a-z0-9_\-\./\@,]*[a-z0-9]\z} ?
 			undef : "`$label' is invalid";
 	},
 	kw => sub {

      parent reply	other threads:[~2021-03-26  9:51 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-26  9:51 [PATCH 0/4] lei minor things Eric Wong
2021-03-26  9:51 ` [PATCH 1/4] lei q: skip lei/store->write_prepare for JSON outputs Eric Wong
2021-03-26  9:51 ` [PATCH 2/4] lei: do not blindly commit to lei/store on close Eric Wong
2021-03-26  9:51 ` [PATCH 3/4] lei: support /dev/fd/[0-2] inputs and outputs in daemon Eric Wong
2021-03-26 23:07   ` [SQUASH] account for /dev/* FDs in prepare_inputs, too Eric Wong
2021-03-26  9:51 ` Eric Wong [this message]

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