From 504fb53bcc1eb03af782d800b77ee6a1b6e4077b Mon Sep 17 00:00:00 2001
From: Stefan Schantl <stefan.schantl@ipfire.org>
Date: Tue, 26 Apr 2022 05:23:44 +0200
Subject: [PATCH] ids-functions.pl: Add remove_from_etags() function.

This function is used to drop the stored etags data of a given provider.

Signed-off-by: Stefan Schantl <stefan.schantl@ipfire.org>
---
 config/cfgroot/ids-functions.pl | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/config/cfgroot/ids-functions.pl b/config/cfgroot/ids-functions.pl
index 3994d17808..ec4fdacc57 100644
--- a/config/cfgroot/ids-functions.pl
+++ b/config/cfgroot/ids-functions.pl
@@ -1884,6 +1884,30 @@ sub get_provider_used_rulesfiles($) {
 	return @used_rulesfiles;
 }
 
+#
+## Function to delete the stored etag data of a given provider.
+#
+sub remove_from_etags ($) {
+	my ($provider) = @_;
+
+	my %etags;
+
+	# Early exit function if the etags file does not exist.
+	return unless (-f $etags_file);
+
+	# Read-in etag file.
+	&General::readhash("$etags_file", \%etags);
+
+	# Check if the hash contains an entry for the given provider.
+	if ($etags{$provider}) {
+		# Drop the entry.
+		delete($etags{$provider});
+
+		# Write back the etags file.
+		&General::writehash("$etags_file", \%etags);
+	}
+}
+
 #
 ## Function to write the lock file for locking the WUI, while
 ## the autoupdate script runs.
-- 
2.39.2