From: Leo-Andres Hofmann <hofmann@leo-andres.de>
To: development@lists.ipfire.org
Subject: [PATCH] getrrdimage.cgi: Add default values to parameters
Date: Wed, 06 Apr 2022 15:46:52 +0200 [thread overview]
Message-ID: <20220406134652.1506-1-hofmann@leo-andres.de> (raw)
[-- Attachment #1: Type: text/plain, Size: 1057 bytes --]
Prevents "use of uninitialized value" warnings when the
CGI is called with broken undefined GET parameters.
Signed-off-by: Leo-Andres Hofmann <hofmann(a)leo-andres.de>
---
html/cgi-bin/getrrdimage.cgi | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/html/cgi-bin/getrrdimage.cgi b/html/cgi-bin/getrrdimage.cgi
index 26e026bba..6ec91cc92 100644
--- a/html/cgi-bin/getrrdimage.cgi
+++ b/html/cgi-bin/getrrdimage.cgi
@@ -44,9 +44,9 @@ my @supported_origins = ("entropy.cgi", "hardwaregraphs.cgi", "media.cgi",
my $uri = URI->new($ENV{'REQUEST_URI'});
my %query = $uri->query_form;
-my $origin = lc $query{'origin'}; # lower case
-my $graph = $query{'graph'};
-my $range = lc $query{'range'}; # lower case
+my $origin = lc ($query{'origin'} // ''); # lower case
+my $graph = $query{'graph'} // '';
+my $range = lc ($query{'range'} // ''); # lower case
# Check parameters
unless(($origin =~ /^\w+?\.cgi$/) && ($graph =~ /^[\w\-.,; ]+?$/) && ($range ~~ @Graphs::time_ranges)) {
--
2.27.0.windows.1
next reply other threads:[~2022-04-06 13:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-06 13:46 Leo-Andres Hofmann [this message]
2022-04-06 17:07 ` Peter Müller
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