From: Steven Noonan <steven@uplinklabs.net>
Date: Thu, 27 Feb 2020 21:04:34 +0000 (-0800)
Subject: test-11-nopriv: check Linux GID permission for unprivileged ping
X-Git-Url: https://git.gsnw.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=44dd04562c1c1d393ede04d84c87ae3c561e2d2b;p=fping.git

test-11-nopriv: check Linux GID permission for unprivileged ping

Signed-off-by: Steven Noonan <steven@uplinklabs.net>
---

diff --git a/ci/test-11-nopriv.pl b/ci/test-11-nopriv.pl
index a6bcfd2..243362e 100755
--- a/ci/test-11-nopriv.pl
+++ b/ci/test-11-nopriv.pl
@@ -1,5 +1,6 @@
 #!/usr/bin/perl -w
 
+use English;
 use Test::Command;
 use Test::More;
 
@@ -7,6 +8,26 @@ if( $^O eq 'darwin' ) {
     plan skip_all => 'Test irrelevant on MacOS';
     exit 0;
 }
+
+sub get_ping_gid_range {
+	open FD, "/proc/sys/net/ipv4/ping_group_range" or return undef;
+	chomp(my $line = <FD>);
+	my @range = split(/\s+/, $line);
+	close FD;
+	return @range;
+}
+
+my @gids = split(' ', $EGID);
+my @allowed_gid_range = get_ping_gid_range();
+
+# Linux test for unprivileged ping support
+foreach(@gids) {
+	if ($_ >= $allowed_gid_range[0] && $_ <= $allowed_gid_range[1]) {
+		plan skip_all => "Userspace pings are allowed, gid $_ in range [$allowed_gid_range[0], $allowed_gid_range[1]]";
+		exit 0;
+	}
+}
+
 plan tests => 3;
 
 # run without privileges