1*9cd928feSAlan Maguire#!/usr/bin/ksh 2*9cd928feSAlan Maguire# 3*9cd928feSAlan Maguire# CDDL HEADER START 4*9cd928feSAlan Maguire# 5*9cd928feSAlan Maguire# The contents of this file are subject to the terms of the 6*9cd928feSAlan Maguire# Common Development and Distribution License (the "License"). 7*9cd928feSAlan Maguire# You may not use this file except in compliance with the License. 8*9cd928feSAlan Maguire# 9*9cd928feSAlan Maguire# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*9cd928feSAlan Maguire# or http://www.opensolaris.org/os/licensing. 11*9cd928feSAlan Maguire# See the License for the specific language governing permissions 12*9cd928feSAlan Maguire# and limitations under the License. 13*9cd928feSAlan Maguire# 14*9cd928feSAlan Maguire# When distributing Covered Code, include this CDDL HEADER in each 15*9cd928feSAlan Maguire# file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*9cd928feSAlan Maguire# If applicable, add the following below this CDDL HEADER, with the 17*9cd928feSAlan Maguire# fields enclosed by brackets "[]" replaced with your own identifying 18*9cd928feSAlan Maguire# information: Portions Copyright [yyyy] [name of copyright owner] 19*9cd928feSAlan Maguire# 20*9cd928feSAlan Maguire# CDDL HEADER END 21*9cd928feSAlan Maguire# 22*9cd928feSAlan Maguire 23*9cd928feSAlan Maguire# 24*9cd928feSAlan Maguire# Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved. 25*9cd928feSAlan Maguire# 26*9cd928feSAlan Maguire 27*9cd928feSAlan Maguire# 28*9cd928feSAlan Maguire# Test tcp:::state-change and tcp:::{send,receive} by connecting to 29*9cd928feSAlan Maguire# the remote ssh service and sending a test message. This should result 30*9cd928feSAlan Maguire# in a "Protocol mismatch" response and a close of the connection. 31*9cd928feSAlan Maguire# A number of state transition events along with tcp send and receive 32*9cd928feSAlan Maguire# events for the message should result. 33*9cd928feSAlan Maguire# 34*9cd928feSAlan Maguire# This may fail due to: 35*9cd928feSAlan Maguire# 36*9cd928feSAlan Maguire# 1. A change to the ip stack breaking expected probe behavior, 37*9cd928feSAlan Maguire# which is the reason we are testing. 38*9cd928feSAlan Maguire# 2. The lo0 interface missing or not up. 39*9cd928feSAlan Maguire# 3. The remote ssh service is not online. 40*9cd928feSAlan Maguire# 4. An unlikely race causes the unlocked global send/receive 41*9cd928feSAlan Maguire# variables to be corrupted. 42*9cd928feSAlan Maguire# 43*9cd928feSAlan Maguire# This test performs a TCP connection to the ssh service (port 22) and 44*9cd928feSAlan Maguire# checks that at least the following packet counts were traced: 45*9cd928feSAlan Maguire# 46*9cd928feSAlan Maguire# 4 x ip:::send (2 during the TCP handshake, the message, then a FIN) 47*9cd928feSAlan Maguire# 4 x tcp:::send (2 during the TCP handshake, the messages, then a FIN) 48*9cd928feSAlan Maguire# 3 x ip:::receive (1 during the TCP handshake, the response, then the FIN ACK) 49*9cd928feSAlan Maguire# 3 x tcp:::receive (1 during the TCP handshake, the response, then the FIN ACK) 50*9cd928feSAlan Maguire# 51*9cd928feSAlan Maguire# For this test to work, we are assuming that the TCP handshake and 52*9cd928feSAlan Maguire# TCP close will enter the IP code path and not use tcp fusion. 53*9cd928feSAlan Maguire# 54*9cd928feSAlan Maguire 55*9cd928feSAlan Maguireif (( $# != 1 )); then 56*9cd928feSAlan Maguire print -u2 "expected one argument: <dtrace-path>" 57*9cd928feSAlan Maguire exit 2 58*9cd928feSAlan Maguirefi 59*9cd928feSAlan Maguire 60*9cd928feSAlan Maguiredtrace=$1 61*9cd928feSAlan Maguiregetaddr=./get.ipv4remote.pl 62*9cd928feSAlan Maguiretcpport=22 63*9cd928feSAlan MaguireDIR=/var/tmp/dtest.$$ 64*9cd928feSAlan Maguire 65*9cd928feSAlan Maguireif [[ ! -x $getaddr ]]; then 66*9cd928feSAlan Maguire print -u2 "could not find or execute sub program: $getaddr" 67*9cd928feSAlan Maguire exit 3 68*9cd928feSAlan Maguirefi 69*9cd928feSAlan Maguire$getaddr $tcpport | read source dest 70*9cd928feSAlan Maguireif (( $? != 0 )); then 71*9cd928feSAlan Maguire exit 4 72*9cd928feSAlan Maguirefi 73*9cd928feSAlan Maguire 74*9cd928feSAlan Maguiremkdir $DIR 75*9cd928feSAlan Maguirecd $DIR 76*9cd928feSAlan Maguire 77*9cd928feSAlan Maguirecat > test.pl <<-EOPERL 78*9cd928feSAlan Maguire use IO::Socket; 79*9cd928feSAlan Maguire my \$s = IO::Socket::INET->new( 80*9cd928feSAlan Maguire Proto => "tcp", 81*9cd928feSAlan Maguire PeerAddr => "$dest", 82*9cd928feSAlan Maguire PeerPort => $tcpport, 83*9cd928feSAlan Maguire Timeout => 3); 84*9cd928feSAlan Maguire die "Could not connect to host $dest port $tcpport" unless \$s; 85*9cd928feSAlan Maguire print \$s "testing state machine transitions"; 86*9cd928feSAlan Maguire close \$s; 87*9cd928feSAlan MaguireEOPERL 88*9cd928feSAlan Maguire 89*9cd928feSAlan Maguire$dtrace -c '/usr/bin/perl test.pl' -qs /dev/stdin <<EODTRACE 90*9cd928feSAlan MaguireBEGIN 91*9cd928feSAlan Maguire{ 92*9cd928feSAlan Maguire ipsend = tcpsend = ipreceive = tcpreceive = 0; 93*9cd928feSAlan Maguire connreq = connest = 0; 94*9cd928feSAlan Maguire} 95*9cd928feSAlan Maguire 96*9cd928feSAlan Maguireip:::send 97*9cd928feSAlan Maguire/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" && 98*9cd928feSAlan Maguire args[4]->ipv4_protocol == IPPROTO_TCP/ 99*9cd928feSAlan Maguire{ 100*9cd928feSAlan Maguire ipsend++; 101*9cd928feSAlan Maguire} 102*9cd928feSAlan Maguire 103*9cd928feSAlan Maguiretcp:::send 104*9cd928feSAlan Maguire/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" && 105*9cd928feSAlan Maguire args[4]->tcp_dport == $tcpport/ 106*9cd928feSAlan Maguire{ 107*9cd928feSAlan Maguire tcpsend++; 108*9cd928feSAlan Maguire} 109*9cd928feSAlan Maguire 110*9cd928feSAlan Maguireip:::receive 111*9cd928feSAlan Maguire/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" && 112*9cd928feSAlan Maguire args[4]->ipv4_protocol == IPPROTO_TCP/ 113*9cd928feSAlan Maguire{ 114*9cd928feSAlan Maguire ipreceive++; 115*9cd928feSAlan Maguire} 116*9cd928feSAlan Maguire 117*9cd928feSAlan Maguiretcp:::receive 118*9cd928feSAlan Maguire/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" && 119*9cd928feSAlan Maguire args[4]->tcp_sport == $tcpport/ 120*9cd928feSAlan Maguire{ 121*9cd928feSAlan Maguire tcpreceive++; 122*9cd928feSAlan Maguire} 123*9cd928feSAlan Maguire 124*9cd928feSAlan Maguiretcp:::state-change 125*9cd928feSAlan Maguire{ 126*9cd928feSAlan Maguire state_event[args[3]->tcps_state]++; 127*9cd928feSAlan Maguire} 128*9cd928feSAlan Maguire 129*9cd928feSAlan Maguiretcp:::connect-request 130*9cd928feSAlan Maguire/args[2]->ip_saddr == "$source" && args[2]->ip_daddr == "$dest" && 131*9cd928feSAlan Maguire args[4]->tcp_dport == $tcpport/ 132*9cd928feSAlan Maguire{ 133*9cd928feSAlan Maguire connreq++; 134*9cd928feSAlan Maguire} 135*9cd928feSAlan Maguire 136*9cd928feSAlan Maguiretcp:::connect-established 137*9cd928feSAlan Maguire/args[2]->ip_saddr == "$dest" && args[2]->ip_daddr == "$source" && 138*9cd928feSAlan Maguire args[4]->tcp_sport == $tcpport/ 139*9cd928feSAlan Maguire{ 140*9cd928feSAlan Maguire connest++; 141*9cd928feSAlan Maguire} 142*9cd928feSAlan Maguire 143*9cd928feSAlan MaguireEND 144*9cd928feSAlan Maguire{ 145*9cd928feSAlan Maguire printf("Minimum TCP events seen\n\n"); 146*9cd928feSAlan Maguire printf("ip:::send - %s\n", ipsend >= 4 ? "yes" : "no"); 147*9cd928feSAlan Maguire printf("ip:::receive - %s\n", ipreceive >= 3 ? "yes" : "no"); 148*9cd928feSAlan Maguire printf("tcp:::send - %s\n", tcpsend >= 4 ? "yes" : "no"); 149*9cd928feSAlan Maguire printf("tcp:::receive - %s\n", tcpreceive >= 3 ? "yes" : "no"); 150*9cd928feSAlan Maguire printf("tcp:::state-change to syn-sent - %s\n", 151*9cd928feSAlan Maguire state_event[TCP_STATE_SYN_SENT] >=1 ? "yes" : "no"); 152*9cd928feSAlan Maguire printf("tcp:::state-change to established - %s\n", 153*9cd928feSAlan Maguire state_event[TCP_STATE_ESTABLISHED] >= 1 ? "yes" : "no"); 154*9cd928feSAlan Maguire printf("tcp:::state-change to fin-wait-1 - %s\n", 155*9cd928feSAlan Maguire state_event[TCP_STATE_FIN_WAIT_1] >= 1 ? "yes" : "no"); 156*9cd928feSAlan Maguire printf("tcp:::state-change to fin-wait-2 - %s\n", 157*9cd928feSAlan Maguire state_event[TCP_STATE_FIN_WAIT_2] >= 1 ? "yes" : "no"); 158*9cd928feSAlan Maguire printf("tcp:::state-change to time-wait - %s\n", 159*9cd928feSAlan Maguire state_event[TCP_STATE_TIME_WAIT] >= 1 ? "yes" : "no"); 160*9cd928feSAlan Maguire printf("tcp:::connect-request - %s\n", 161*9cd928feSAlan Maguire connreq >=1 ? "yes" : "no"); 162*9cd928feSAlan Maguire printf("tcp:::connect-established - %s\n", 163*9cd928feSAlan Maguire connest >=1 ? "yes" : "no"); 164*9cd928feSAlan Maguire} 165*9cd928feSAlan MaguireEODTRACE 166*9cd928feSAlan Maguire 167*9cd928feSAlan Maguirestatus=$? 168*9cd928feSAlan Maguire 169*9cd928feSAlan Maguirecd / 170*9cd928feSAlan Maguire/usr/bin/rm -rf $DIR 171*9cd928feSAlan Maguire 172*9cd928feSAlan Maguireexit $status 173