diff options
Diffstat (limited to 'cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh')
| -rw-r--r-- | cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh new file mode 100644 index 000000000000..4bf4362b61d2 --- /dev/null +++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh @@ -0,0 +1,172 @@ +#!/usr/bin/ksh +# +# CDDL HEADER START +# +# The contents of this file are subject to the terms of the +# Common Development and Distribution License (the "License"). +# You may not use this file except in compliance with the License. +# +# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE +# or http://www.opensolaris.org/os/licensing. +# See the License for the specific language governing permissions +# and limitations under the License. +# +# When distributing Covered Code, include this CDDL HEADER in each +# file and include the License file at usr/src/OPENSOLARIS.LICENSE. +# If applicable, add the following below this CDDL HEADER, with the +# fields enclosed by brackets "[]" replaced with your own identifying +# information: Portions Copyright [yyyy] [name of copyright owner] +# +# CDDL HEADER END +# + +# +# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. +# + +# +# Test tcp:::state-change and tcp:::{send,receive} by connecting to +# the remote ssh service and sending a test message. This should result +# in a "Protocol mismatch" response and a close of the connection. +# A number of state transition events along with tcp send and receive +# events for the message should result. +# +# This may fail due to: +# +# 1. A change to the ip stack breaking expected probe behavior, +# which is the reason we are testing. +# 2. The lo0 interface missing or not up. +# 3. The remote ssh service is not online. +# 4. An unlikely race causes the unlocked global send/receive +# variables to be corrupted. +# +# This test performs a TCP connection to the ssh service (port 22) and +# checks that at least the following packet counts were traced: +# +# 4 x ip:::send (2 during the TCP handshake, the message, then a FIN) +# 4 x tcp:::send (2 during the TCP handshake, the messages, then a FIN) +# 3 x ip:::receive (1 during the TCP handshake, the response, then the FIN ACK) +# 3 x tcp:::receive (1 during the TCP handshake, the response, then the FIN ACK) +# +# For this test to work, we are assuming that the TCP handshake and +# TCP close will enter the IP code path and not use tcp fusion. +# + +if (( $# != 1 )); then + print -u2 "expected one argument: <dtrace-path>" + exit 2 +fi + +dtrace=$1 +getaddr=./get.ipv4remote.pl +tcpport=22 +DIR=/var/tmp/dtest.$$ + +if [[ ! -x $getaddr ]]; then + print -u2 "could not find or execute sub program: $getaddr" + exit 3 +fi +$getaddr $tcpport | read source dest +if (( $? != 0 )); then + exit 4 +fi + +mkdir $DIR +cd $DIR + +cat > test.pl <<-EOPERL + use IO::Socket; + my \$s = IO::Socket::INET->new( + Proto => "tcp", + PeerAddr => "$dest", + PeerPort => $tcpport, + Timeout => 3); + die "Could not connect to host $dest port $tcpport" unless \$s; + print \$s "testing state machine transitions"; + close \$s; +EOPERL + +$dtrace -c '/usr/bin/perl test.pl' -qs /dev/stdin <<EODTRACE +BEGIN +{ + ipsend = tcpsend = ipreceive = tcpreceive = 0; + connreq = connest = 0; +} + +ip:::send +/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" && + args[4]->ipv4_protocol == IPPROTO_TCP/ +{ + ipsend++; +} + +tcp:::send +/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" && + args[4]->tcp_dport == $tcpport/ +{ + tcpsend++; +} + +ip:::receive +/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" && + args[4]->ipv4_protocol == IPPROTO_TCP/ +{ + ipreceive++; +} + +tcp:::receive +/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" && + args[4]->tcp_sport == $tcpport/ +{ + tcpreceive++; +} + +tcp:::state-change +{ + state_event[args[3]->tcps_state]++; +} + +tcp:::connect-request +/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" && + args[4]->tcp_dport == $tcpport/ +{ + connreq++; +} + +tcp:::connect-established +/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" && + args[4]->tcp_sport == $tcpport/ +{ + connest++; +} + +END +{ + printf("Minimum TCP events seen\n\n"); + printf("ip:::send - %s\n", ipsend >= 4 ? "yes" : "no"); + printf("ip:::receive - %s\n", ipreceive >= 3 ? "yes" : "no"); + printf("tcp:::send - %s\n", tcpsend >= 4 ? "yes" : "no"); + printf("tcp:::receive - %s\n", tcpreceive >= 3 ? "yes" : "no"); + printf("tcp:::state-change to syn-sent - %s\n", + state_event[TCP_STATE_SYN_SENT] >=1 ? "yes" : "no"); + printf("tcp:::state-change to established - %s\n", + state_event[TCP_STATE_ESTABLISHED] >= 1 ? "yes" : "no"); + printf("tcp:::state-change to fin-wait-1 - %s\n", + state_event[TCP_STATE_FIN_WAIT_1] >= 1 ? "yes" : "no"); + printf("tcp:::state-change to fin-wait-2 - %s\n", + state_event[TCP_STATE_FIN_WAIT_2] >= 1 ? "yes" : "no"); + printf("tcp:::state-change to time-wait - %s\n", + state_event[TCP_STATE_TIME_WAIT] >= 1 ? "yes" : "no"); + printf("tcp:::connect-request - %s\n", + connreq >=1 ? "yes" : "no"); + printf("tcp:::connect-established - %s\n", + connest >=1 ? "yes" : "no"); +} +EODTRACE + +status=$? + +cd / +/bin/rm -rf $DIR + +exit $status |