[monitoring-plugins] check_cluster.c: Added data argument validation.

[Jacob Hansen]

    Module: monitoring-plugins
    Branch: master
    Commit: 910894a4e255cdb88e37f17a06f1393853544b84
    Author: Kostyantyn Hushchyn <kgushtin at op5.com>
 Committer: Jacob Hansen <jhansen at op5.com>
      Date: Tue Dec 14 12:51:25 2010 +0200
       URL: https://www.monitoring-plugins.org/repositories/monitoring-plugins/commit/?id=910894a

check_cluster.c: Added data argument validation.

Signed-off-by: Kostyantyn Hushchyn <kgushtin at op5.com>

---

 plugins/check_cluster.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/plugins/check_cluster.c b/plugins/check_cluster.c
index b86e501..e1ede9f 100644
--- a/plugins/check_cluster.c
+++ b/plugins/check_cluster.c
@@ -143,6 +143,7 @@ int main(int argc, char **argv){
 
 int process_arguments(int argc, char **argv){
 	int c;
+	char *ptr;
 	int option=0;
 	static struct option longopts[]={
 		{"data",     required_argument,0,'d'},
@@ -188,6 +189,15 @@ int process_arguments(int argc, char **argv){
 
 		case 'd': /* data values */
 			data_vals=(char *)strdup(optarg);
+			/* validate data */
+			for (ptr=data_vals;ptr!=NULL;ptr+=2){
+				if (ptr[0]<'0' || ptr[0]>'3')
+					return ERROR;
+				if (ptr[1]=='\0')
+					break;
+				if (ptr[1]!=',')
+					return ERROR;
+			}
 			break;
 
 		case 'l': /* text label */