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check_icmp: emit error if multiple protocol version

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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 <jhansen@op5.com>
This commit is contained in:
Jacob Hansen 2018-12-10 13:49:13 +00:00
parent 7a660b3f01
commit ca6efcd02b
1 changed files with 4 additions and 0 deletions
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4
plugins-root/check_icmp.c
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@ -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"));