[nagiosplug] fping: some fping versions set loss to 0% by ...

[Nagios Plugin Development]

    Module: nagiosplug
    Branch: master
    Commit: 8b1c57429806e1e98b77d38567956a0181f3d781
    Author: Sven Nierlein <Sven.Nierlein at consol.de>
 Committer: Sven Nierlein <sven at consol.de>
      Date: Fri Sep 13 15:36:10 2013 +0200
       URL: http://nagiosplug.git.sf.net/git/gitweb.cgi?p=nagiosplug/nagiosplug;a=commit;h=8b1c574

fping: some fping versions set loss to 0% by mistake

fping v2.4b2 returns
10.99.0.1 : xmt/rcv/%loss = 0/0/0%
for a failed host, so we assume the host is down if xmt is zero

---

 plugins/check_fping.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/plugins/check_fping.c b/plugins/check_fping.c
index c7cce97..dad000e 100644
--- a/plugins/check_fping.c
+++ b/plugins/check_fping.c
@@ -177,8 +177,10 @@ textscan (char *buf)
 {
   char *rtastr = NULL;
   char *losstr = NULL;
+  char *xmtstr = NULL;
   double loss;
   double rta;
+  double xmt;
   int status = STATE_UNKNOWN;
 
   if (strstr (buf, "not found")) {
@@ -230,7 +232,12 @@ textscan (char *buf)
   }
   else if(strstr (buf, "xmt/rcv/%loss") ) {
     /* no min/max/avg if host was unreachable in fping v2.2.b1 */
+    /* in v2.4b2: 10.99.0.1 : xmt/rcv/%loss = 0/0/0% */
     losstr = strstr (buf, "=");
+    xmtstr = 1 + losstr;
+    xmt = strtod (xmtstr, NULL);
+    if(xmt == 0)
+        die (STATE_CRITICAL, _("FPING CRITICAL - %s is down\n"), server_name);
     losstr = 1 + strstr (losstr, "/");
     losstr = 1 + strstr (losstr, "/");
     loss = strtod (losstr, NULL);