[LTP] [PATCH 1/1] rpc_test.sh: Check for rpcbind remote calls support

[rbm@suse.com]

On Mon Aug 4, 2025 at 3:48 PM -03, Petr Vorel wrote:
> client binaries rpc_pmap_rmtcall and tirpc_rpcb_rmtcall require rpcbind
> compiled with remote calls.  rpcbind has disabled remote calls by
> default in 1.2.5. But this was not detectable until 1.2.8, which brought
> this info in -v flag.
>
> Detect the support and skip on these 2 functions when disabled.
>
> Signed-off-by: Petr Vorel <pvorel@suse.cz>
> ---
> Hi,
>
> BTW it'd be nice to investigate why the broadcast functions fail,
> enabling remote calls does not help, testing on:
> ./configure --enable-libwrap --enable-warmstarts --enable-debug --with-statedir=/run/rpcbind --with-rpcuser=rpc --with-systemdsystemunitdir=/usr/lib/systemd/system '--with-nss-modules=files usrfiles' --enable-rmtcalls

But did you start the daemon with `-r`? e.g.

# /sbin/rpcbind -f -w -r &

>
> Kind regards,
> Petr
>
> # PATH="/opt/ltp/testcases/bin:$PATH" ./rpc_test.sh -s rpc_svc_1 -c rpc_clnt_broadcast
> rpc_test.sh -s rpc_svc_1 -c rpc_clnt_broadcast
> rpc_test 1 TINFO: Running: rpc_test.sh -s rpc_svc_1 -c rpc_clnt_broadcast
> rpc_test 1 TINFO: Tested kernel: Linux ts 6.13.6-1-default #1 SMP PREEMPT_DYNAMIC Mon Mar 10 08:49:24 UTC 2025 (495d82a) x86_64 x86_64 x86_64 GNU/Linux
> rpc_test 1 TINFO: initialize 'lhost' 'ltp_ns_veth2' interface
> rpc_test 1 TINFO: add local addr 10.0.0.2/24
> rpc_test 1 TINFO: add local addr fd00:1:1:1::2/64
> rpc_test 1 TINFO: initialize 'rhost' 'ltp_ns_veth1' interface
> rpc_test 1 TINFO: add remote addr 10.0.0.1/24
> rpc_test 1 TINFO: add remote addr fd00:1:1:1::1/64
> rpc_test 1 TINFO: Network config (local -- remote):
> rpc_test 1 TINFO: ltp_ns_veth2 -- ltp_ns_veth1
> rpc_test 1 TINFO: 10.0.0.2/24 -- 10.0.0.1/24
> rpc_test 1 TINFO: fd00:1:1:1::2/64 -- fd00:1:1:1::1/64
> rpc_test 1 TINFO: timeout per run is 0h 5m 0s
> rpc_test 1 TINFO: check registered RPC with rpcinfo
> rpc_test 1 TINFO: registered RPC:
>    program vers proto   port  service
>     100000    4   tcp    111  portmapper
>     100000    3   tcp    111  portmapper
>     100000    2   tcp    111  portmapper
>     100000    4   udp    111  portmapper
>     100000    3   udp    111  portmapper
>     100000    2   udp    111  portmapper
>     100005    1   udp  20048  mountd
>     100024    1   udp  36235  status
>     100005    1   tcp  20048  mountd
>     100024    1   tcp  60743  status
>     100005    2   udp  20048  mountd
>     100005    2   tcp  20048  mountd
>     100005    3   udp  20048  mountd
>     100005    3   tcp  20048  mountd
>     100003    3   tcp   2049  nfs
>     100003    4   tcp   2049  nfs
>     100227    3   tcp   2049  nfs_acl
>     100021    1   udp  40939  nlockmgr
>     100021    3   udp  40939  nlockmgr
>     100021    4   udp  40939  nlockmgr
>     100021    1   tcp  38047  nlockmgr
>     100021    3   tcp  38047  nlockmgr
>     100021    4   tcp  38047  nlockmgr
> rpc_test 1 TINFO: using libtirpc: yes
> rpc_test 1 TFAIL: rpc_clnt_broadcast 10.0.0.2 536875000 failed unexpectedly
> RPC: Timed out
> 1
> rpc_test 2 TINFO: SELinux enabled in enforcing mode, this may affect test results
> rpc_test 2 TINFO: it can be disabled with TST_DISABLE_SELINUX=1 (requires super/root)
> rpc_test 2 TINFO: loaded SELinux profiles: none
>
>
>
>  testcases/network/rpc/rpc-tirpc/rpc_test.sh | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/testcases/network/rpc/rpc-tirpc/rpc_test.sh b/testcases/network/rpc/rpc-tirpc/rpc_test.sh
> index cadae55203..1a8cf46399 100755
> --- a/testcases/network/rpc/rpc-tirpc/rpc_test.sh
> +++ b/testcases/network/rpc/rpc-tirpc/rpc_test.sh
> @@ -53,6 +53,11 @@ setup()
>  		fi
>  	fi
>  
> +	if [ "$CLIENT" = 'rpc_pmap_rmtcall' -o "$CLIENT" = 'tirpc_rpcb_rmtcall' ] && \
> +		rpcbind -v 2>/dev/null && rpcbind -v 2>&1 | grep -q 'remote calls: no'; then
> +		tst_brk TCONF "skip due rpcbind compiled without remote calls"
> +	fi
> +

Reviewed-by: Ricardo B. Marlière <rbm@suse.com>

Thanks!

>  	[ -n "$CLIENT" ] || tst_brk TBROK "client program not set"
>  	tst_check_cmds $CLIENT $SERVER || tst_brk TCONF "LTP compiled without TI-RPC support?"
>