[Nagiosplug-devel] Nagios plugin options -4 and -6

[Voon, Ton]

Jeremy,

I get a compilation error on Solaris 2.6 using the latest version of
netutils.c. Reverting back to netutils.c v1.7 works okay.

This is the error:
gcc -DHAVE_CONFIG_H -I. -I. -I. -I.. -I../lib     -g -O2 -c `test -f
'netutils.c' || echo './'`netutils.c
netutils.c: In function `is_addr':
netutils.c:329: `AF_INET6' undeclared (first use in this function)
netutils.c:329: (Each undeclared identifier is reported only once
netutils.c:329: for each function it appears in.)

Looks like it is trying to use IPv6 when configure couldn't pick it up
(--with-ipv6=no).

I get something similar in check_ping, but I haven't investigated much
further.

Ton

> -----Original Message-----
> From:	Jeremy T. Bouse [SMTP:jeremy+nagios at undergrid.net]
> Sent:	Sunday, June 29, 2003 7:49 AM
> To:	nagiosplug-devel at lists.sourceforge.net
> Subject:	Re: [Nagiosplug-devel] Nagios plugin options -4 and -6
> 
> 	I have gone ahead and committed changes to check_ssh.c,
> check_tcp.c, and netutils.[ch] which allow for easy use of -4 and -6
> command line options...
> 
> 	I have defined a new extern int variable (address_family) in
> netutils.h and default its assignment to AF_UNSPEC in netutils.c. This
> is basically what the current default behavior is. To demonstrate it's
> use and to test myself I have modified check_ssh and check_tcp to use
> this by adding the following to the option parsing switch statement:
> 
> 	case '4':
> 		address_family = AF_INET;
> 		break;
> 	case '6':
> 		address_family = AF_INET6;
> 		break;
> 
> 	I've also used --use-ipv4 and --use-ipv6 as standard long
> options for both -4 and -6 respectively... Both are implimented in
> check_ssh and check_tcp at this time...
> 
> 	This only affects the connection attempts themselves as the
> modification only affects the my_connect() function in netutils.c... I
> still need to modify is_inet_addr(), is_inet6_addr() and is_hostname()
> to make use of address_family to determine during checks if a hostname
> is valid or not... As well check_ping will take some work as I need to
> modify the conditions under which it will attempt to use the PING6
> command over the PING command...
> 
> 	With that in mind please leave check_ping to me to work on
> initially... I will also work to get the hostname/address verification
> functions utilizing this as soon as possible only with check_ping... I
> would welcome help making the necessary changes to all other network
> plugins which utilize netutils.h... From a cursory look it would appear
> that work needs to be done on the following:
> 
> 	check_http, check_ldap, check_nt, check_nwstat, check_overcr,
> 	check_real, check_smtp, check_time, check_udp and check_ups
> 
> 	These are the only other ones besides check_ssh, check_tcp and
> check_ping which include netutils.h... If there are other network based
> plugins not currently including netutils.h they will need to do so first
> then make the modifications... This should not affect check_by_ssh which
> already has a -4 and -6 (along with --use-ipv4 and --use-ipv6) which
> only pass it on to the ssh command line call as it makes no direct
> utilization of netutils...
> 
> 	Regards,
> 	Jeremy
> 
> 
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