Add dontfrag/random for fpingrefs/pull/2041/head

Support the dont fragment and randomise packet data options for check_fping

1 files changed, 19 insertions, 0 deletions

diff --git a/plugins/check_fping.c b/plugins/check_fping.c
index 49235e2..67fa236 100644
--- a/plugins/check_fping.c
+++ b/plugins/check_fping.c
@@ -60,6 +60,8 @@ static int packet_count = PACKET_COUNT;
 static int target_timeout = 0;
 static int packet_interval = 0;
 static bool verbose = false;
+static bool dontfrag = false;
+static bool randomize_packet_data = false;
 static int cpl;
 static int wpl;
 static double crta;
@@ -103,6 +105,11 @@ int main(int argc, char **argv) {
                 xasprintf(&option_string, "%s-S %s ", option_string, sourceip);
         if (sourceif)
                 xasprintf(&option_string, "%s-I %s ", option_string, sourceif);
+        if (dontfrag)
+                xasprintf(&option_string, "%s-M ", option_string);
+        if (randomize_packet_data)
+                xasprintf(&option_string, "%s-R ", option_string);
+
 
 #ifdef PATH_TO_FPING6
         if (address_family != AF_INET && is_inet6_addr(server))
@@ -279,6 +286,8 @@ int process_arguments(int argc, char **argv) {
                                                                            {"help", no_argument, 0, 'h'},
                                                                            {"use-ipv4", no_argument, 0, '4'},
                                                                            {"use-ipv6", no_argument, 0, '6'},
+                                                                           {"dontfrag", no_argument, 0, 'M'},
+                                                                           {"random", no_argument, 0, 'R'},
                                                                            {0, 0, 0, 0}};
 
         rv[PL] = NULL;
@@ -390,6 +399,12 @@ int process_arguments(int argc, char **argv) {
                         else
                                 usage(_("Interval must be a positive integer"));
                         break;
+                case 'R':
+                        randomize_packet_data = true;
+                        break;
+                case 'M':
+                        dontfrag = true;
+                        break;
                 }
         }
 
@@ -470,6 +485,10 @@ void print_help(void) {
         printf("    %s\n", _("name or IP Address of sourceip"));
         printf(" %s\n", "-I, --sourceif=IF");
         printf("    %s\n", _("source interface name"));
+        printf(" %s\n", "-M, --dontfrag");
+        printf("    %s\n", _("set the Don't Fragment flag"));
+        printf(" %s\n", "-R, --random");
+        printf("    %s\n", _("random packet data (to foil link data compression)"));
         printf(UT_VERBOSE);
         printf("\n");
         printf(" %s\n", _("THRESHOLD is <rta>,<pl>%% where <rta> is the round trip average travel time (ms)"));