1 files changed, 32 insertions, 21 deletions

diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 35cae3ed..58d8a545 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -55,7 +55,7 @@ const char *email = "devel@monitoring-plugins.org";
 
 #include <sys/time.h>
 #if defined(SIOCGIFADDR)
-#include <sys/ioctl.h>
+#       include <sys/ioctl.h>
 #endif /* SIOCGIFADDR */
 #include <errno.h>
 #include <signal.h>
@@ -1782,6 +1782,7 @@ static void set_source_ip(char *arg, const int icmp_sock, sa_family_t addr_famil
 /* TODO: Move this to netutils.c and also change check_dhcp to use that. */
 static in_addr_t get_ip_address(const char *ifname, const int icmp_sock) {
         // TODO: Rewrite this so the function return an error and we exit somewhere else
+
         struct sockaddr_in ip_address;
         ip_address.sin_addr.s_addr = 0; // Fake initialization to make compiler happy
 #if defined(SIOCGIFADDR)
@@ -1797,6 +1798,9 @@ static in_addr_t get_ip_address(const char *ifname, const int icmp_sock) {
 
         memcpy(&ip_address, &ifr.ifr_addr, sizeof(ip_address));
 #else
+        // fake operation to make the compiler happy
+        (void)icmp_sock;
+
         (void)ifname;
         errno = 0;
         crash("Cannot get interface IP address on this platform.");
@@ -2046,7 +2050,7 @@ unsigned short icmp_checksum(uint16_t *packet, size_t packet_size) {
 
         /* mop up the occasional odd byte */
         if (packet_size == 1) {
-                sum += *((uint8_t *)packet - 1);
+                sum += *((uint8_t *)packet);
         }
 
         sum = (sum >> 16) + (sum & 0xffff); /* add hi 16 to low 16 */
@@ -2245,7 +2249,7 @@ mp_subcheck evaluate_target(ping_target target, check_icmp_mode_switches modes,
                  * round trip jitter, but double the impact to latency
                  * then add 10 for protocol latencies (in milliseconds).
                  */
-                EffectiveLatency = ((double)rta / 1000) + target.jitter * 2 + 10;
+                EffectiveLatency = ((double)rta / 1000) + (target.jitter * 2) + 10;
 
                 double R;
                 if (EffectiveLatency < 160) {
@@ -2404,25 +2408,32 @@ mp_subcheck evaluate_target(ping_target target, check_icmp_mode_switches modes,
         if (modes.score_mode) {
                 mp_subcheck sc_score = mp_subcheck_init();
                 sc_score = mp_set_subcheck_default_state(sc_score, STATE_OK);
-                xasprintf(&sc_score.output, "Score %f", score);
-
-                if (score <= crit.score) {
-                        sc_score = mp_set_subcheck_state(sc_score, STATE_CRITICAL);
-                        xasprintf(&sc_score.output, "%s <= %f", sc_score.output, crit.score);
-                } else if (score <= warn.score) {
-                        sc_score = mp_set_subcheck_state(sc_score, STATE_WARNING);
-                        xasprintf(&sc_score.output, "%s <= %f", sc_score.output, warn.score);
-                }
 
-                if (packet_loss < 100) {
-                        mp_perfdata pd_score = perfdata_init();
-                        xasprintf(&pd_score.label, "%sscore", address);
-                        pd_score.value = mp_create_pd_value(score);
-                        pd_score.warn = mp_range_set_end(pd_score.warn, mp_create_pd_value(warn.score));
-                        pd_score.crit = mp_range_set_end(pd_score.crit, mp_create_pd_value(crit.score));
-                        pd_score.min = mp_create_pd_value(0);
-                        pd_score.max = mp_create_pd_value(100);
-                        mp_add_perfdata_to_subcheck(&sc_score, pd_score);
+                if (target.icmp_recv > 1) {
+                        xasprintf(&sc_score.output, "Score %f", score);
+
+                        if (score <= crit.score) {
+                                sc_score = mp_set_subcheck_state(sc_score, STATE_CRITICAL);
+                                xasprintf(&sc_score.output, "%s <= %f", sc_score.output, crit.score);
+                        } else if (score <= warn.score) {
+                                sc_score = mp_set_subcheck_state(sc_score, STATE_WARNING);
+                                xasprintf(&sc_score.output, "%s <= %f", sc_score.output, warn.score);
+                        }
+
+                        if (packet_loss < 100) {
+                                mp_perfdata pd_score = perfdata_init();
+                                xasprintf(&pd_score.label, "%sscore", address);
+                                pd_score.value = mp_create_pd_value(score);
+                                pd_score.warn = mp_range_set_end(pd_score.warn, mp_create_pd_value(warn.score));
+                                pd_score.crit = mp_range_set_end(pd_score.crit, mp_create_pd_value(crit.score));
+                                pd_score.min = mp_create_pd_value(0);
+                                pd_score.max = mp_create_pd_value(100);
+                                mp_add_perfdata_to_subcheck(&sc_score, pd_score);
+                        }
+
+                } else {
+                        // score mode disabled due to not enough received packages
+                        xasprintf(&sc_score.output, "Score mode disabled, not enough packets received");
                 }
 
                 mp_add_subcheck_to_subcheck(&result, sc_score);