From ca6efcd02b203e9e07b869af050c1b9849e04608 Mon Sep 17 00:00:00 2001 From: Jacob Hansen Date: Mon, 10 Dec 2018 13:49:13 +0000 Subject: check_icmp: emit error if multiple protocol version As we do not support checking both IPv4 and IPv6 hosts in one execution we emit an error if multiple protocol versions are defined in the cmd line args. Signed-off-by: Jacob Hansen --- plugins-root/check_icmp.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c index 6a883a82..98891f02 100644 --- a/plugins-root/check_icmp.c +++ b/plugins-root/check_icmp.c @@ -467,10 +467,14 @@ main(int argc, char **argv) unsigned short size; switch(arg) { case '4': + if (address_family != -1) + crash("Multiple protocol versions not supported"); address_family = AF_INET; break; case '6': #ifdef USE_IPV6 + if (address_family != -1) + crash("Multiple protocol versions not supported"); address_family = AF_INET6; #else usage (_("IPv6 support not available\n")); -- cgit v1.2.3