Fixed check_load argument handling when passing non triplet thresholds. Thanks to Jonathan Kamens (bug #1831890)

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1851 f882894a-f735-0410-b71e-b25c423dba1c

NEWS

@@ -15,6 +15,7 @@ This file documents the major additions and syntax changes between releases.
 	  implement stratum thresholds support (feature request #1703823).
 	Fix check_disk reporting OK if disk usage grows over 100% (bug #1348746).
 	  The problem happens to be in Gnulib but a workaround have been implemented in check_disk.c
+	Fix check_load argument handling when not passing triplets (bug #1831890)
 
 1.4.10 28th September 2007
 	Fix check_http buffer overflow vulnerability when following HTTP redirects

plugins/check_load.c

@@ -77,6 +77,7 @@ static void
 get_threshold(char *arg, double *th)
 {
 	size_t i, n;
+	int valid = 0;
 	char *str = arg, *p;
 
 	n = strlen(arg);
@@ -84,12 +85,13 @@ get_threshold(char *arg, double *th)
 		th[i] = strtod(str, &p);
 		if(p == str) break;
 
+		valid = 1;
 		str = p + 1;
 		if(n <= (size_t)(str - arg)) break;
 	}
 
 	/* empty argument or non-floatish, so warn about it and die */
-	if(!i) usage (_("Warning threshold must be float or float triplet!\n"));
+	if(!i && !valid) usage (_("Warning threshold must be float or float triplet!\n"));
 
 	if(i != 2) {
 		/* one or more numbers were given, so fill array with last

plugins/t/check_load.t

@@ -11,10 +11,11 @@ use NPTest;
 
 my $res;
 
-my $successOutput = '/^OK - load average: [0-9]+\.?[0-9]+, [0-9]+\.?[0-9]+, [0-9]+\.?[0-9]+/';
-my $failureOutput = '/^CRITICAL - load average: [0-9]+\.?[0-9]+, [0-9]+\.?[0-9]+, [0-9]+\.?[0-9]+/';
+my $loadValue = "[0-9]+\.?[0-9]+";
+my $successOutput = "/^OK - load average: $loadValue, $loadValue, $loadValue/";
+my $failureOutput = "/^CRITICAL - load average: $loadValue, $loadValue, $loadValue/";
 
-plan tests => 6;
+plan tests => 11;
 
 $res = NPTest->testCmd( "./check_load -w 100,100,100 -c 100,100,100" );
 cmp_ok( $res->return_code, 'eq', 0, "load not over 100");
@@ -28,3 +29,9 @@ $res = NPTest->testCmd( "./check_load -r -w 0,0,0 -c 0,0,0" );
 cmp_ok( $res->return_code, 'eq', 2, "Load over 0 with per cpu division");
 like( $res->output, $failureOutput, "Output OK");
 
+$res = NPTest->testCmd( "./check_load -w 100 -c 100,110" );
+cmp_ok( $res->return_code, 'eq', 0, "Plugin can handle non-triplet-arguments");
+like( $res->output, $successOutput, "Output OK");
+like( $res->perf_output, "/load1=$loadValue;100.000;100.000/", "Test handling of non triplet thresholds (load1)");
+like( $res->perf_output, "/load5=$loadValue;100.000;110.000/", "Test handling of non triplet thresholds (load5)");
+like( $res->perf_output, "/load15=$loadValue;100.000;110.000/", "Test handling of non triplet thresholds (load15)");