1# $OpenBSD: test-exec.sh,v 1.139 2025/12/22 01:31:07 djm Exp $ 2# Placed in the Public Domain. 3 4#SUDO=sudo 5 6if [ ! -z "$TEST_SSH_ELAPSED_TIMES" ]; then 7 STARTTIME=`date '+%s'` 8fi 9 10if [ ! -z "$TEST_SSH_PORT" ]; then 11 PORT="$TEST_SSH_PORT" 12else 13 PORT=4242 14fi 15 16OBJ=$1 17if [ "x$OBJ" = "x" ]; then 18 echo '$OBJ not defined' 19 exit 2 20fi 21if [ ! -d $OBJ ]; then 22 echo "not a directory: $OBJ" 23 exit 2 24fi 25SCRIPT=$2 26if [ "x$SCRIPT" = "x" ]; then 27 echo '$SCRIPT not defined' 28 exit 2 29fi 30if [ ! -f $SCRIPT ]; then 31 echo "not a file: $SCRIPT" 32 exit 2 33fi 34if $TEST_SHELL -n $SCRIPT; then 35 true 36else 37 echo "syntax error in $SCRIPT" 38 exit 2 39fi 40unset SSH_AUTH_SOCK 41 42# Portable-specific settings. 43 44if [ -x /usr/ucb/whoami ]; then 45 USER=`/usr/ucb/whoami` 46elif whoami >/dev/null 2>&1; then 47 USER=`whoami` 48elif logname >/dev/null 2>&1; then 49 USER=`logname` 50else 51 USER=`id -un` 52fi 53if test -z "$LOGNAME"; then 54 LOGNAME="${USER}" 55 export LOGNAME 56fi 57 58# Unbreak GNU head(1) 59_POSIX2_VERSION=199209 60export _POSIX2_VERSION 61 62case `uname -s 2>/dev/null` in 63OSF1*) 64 BIN_SH=xpg4 65 export BIN_SH 66 ;; 67CYGWIN*) 68 os=cygwin 69 ;; 70esac 71 72# If configure tells us to use a different egrep, create a wrapper function 73# to call it. This means we don't need to change all the tests that depend 74# on a good implementation. 75if test "x${EGREP}" != "x"; then 76 egrep () 77{ 78 ${EGREP} "$@" 79} 80fi 81 82SRC=`dirname ${SCRIPT}` 83 84# defaults 85SSH=ssh 86SSHD=sshd 87SSHAGENT=ssh-agent 88SSHADD=ssh-add 89SSHKEYGEN=ssh-keygen 90SSHKEYSCAN=ssh-keyscan 91SFTP=sftp 92SFTPSERVER=/usr/libexec/openssh/sftp-server 93SSHD_SESSION=/usr/libexec/sshd-session 94SSHD_AUTH=/usr/libexec/sshd-auth 95SCP=scp 96 97# Set by make_tmpdir() on demand (below). 98SSH_REGRESS_TMP= 99 100# Interop testing 101PLINK=/usr/local/bin/plink 102PUTTYGEN=/usr/local/bin/puttygen 103CONCH=/usr/local/bin/conch 104DROPBEAR=/usr/local/sbin/dropbear 105DBCLIENT=/usr/local/bin/dbclient 106DROPBEARKEY=/usr/local/bin/dropbearkey 107DROPBEARCONVERT=/usr/local/bin/dropbearconvert 108 109# So we can override this in Portable. 110TEST_SHELL="${TEST_SHELL:-/bin/sh}" 111 112# Tools used by multiple tests 113NC=$OBJ/netcat 114# Always use the one configure tells us to, even if that's empty. 115#OPENSSL_BIN="${OPENSSL_BIN:-openssl}" 116 117if [ "x$TEST_SSH_SSH" != "x" ]; then 118 SSH="${TEST_SSH_SSH}" 119fi 120if [ "x$TEST_SSH_SSHD_SESSION" != "x" ]; then 121 SSHD_SESSION="${TEST_SSH_SSHD_SESSION}" 122fi 123if [ "x$TEST_SSH_SSHD_AUTH" != "x" ]; then 124 SSHD_AUTH="${TEST_SSH_SSHD_AUTH}" 125fi 126if [ "x$TEST_SSH_SSHD" != "x" ]; then 127 SSHD="${TEST_SSH_SSHD}" 128fi 129if [ "x$TEST_SSH_SSHAGENT" != "x" ]; then 130 SSHAGENT="${TEST_SSH_SSHAGENT}" 131fi 132if [ "x$TEST_SSH_SSHADD" != "x" ]; then 133 SSHADD="${TEST_SSH_SSHADD}" 134fi 135if [ "x$TEST_SSH_SSHKEYGEN" != "x" ]; then 136 SSHKEYGEN="${TEST_SSH_SSHKEYGEN}" 137fi 138if [ "x$TEST_SSH_SSHKEYSCAN" != "x" ]; then 139 SSHKEYSCAN="${TEST_SSH_SSHKEYSCAN}" 140fi 141if [ "x$TEST_SSH_SFTP" != "x" ]; then 142 SFTP="${TEST_SSH_SFTP}" 143fi 144if [ "x$TEST_SSH_SFTPSERVER" != "x" ]; then 145 SFTPSERVER="${TEST_SSH_SFTPSERVER}" 146fi 147if [ "x$TEST_SSH_SCP" != "x" ]; then 148 SCP="${TEST_SSH_SCP}" 149fi 150if [ "x$TEST_SSH_PLINK" != "x" ]; then 151 PLINK="${TEST_SSH_PLINK}" 152fi 153if [ "x$TEST_SSH_PUTTYGEN" != "x" ]; then 154 PUTTYGEN="${TEST_SSH_PUTTYGEN}" 155fi 156if [ "x$TEST_SSH_CONCH" != "x" ]; then 157 CONCH="${TEST_SSH_CONCH}" 158fi 159if [ "x$TEST_SSH_DROPBEAR" != "x" ]; then 160 DROPBEAR="${TEST_SSH_DROPBEAR}" 161fi 162if [ "x$TEST_SSH_DBCLIENT" != "x" ]; then 163 DBCLIENT="${TEST_SSH_DBCLIENT}" 164fi 165if [ "x$TEST_SSH_DROPBEARKEY" != "x" ]; then 166 DROPBEARKEY="${TEST_SSH_DROPBEARKEY}" 167fi 168if [ "x$TEST_SSH_DROPBEARCONVERT" != "x" ]; then 169 DROPBEARCONVERT="${TEST_SSH_DROPBEARCONVERT}" 170fi 171if [ "x$TEST_SSH_TMUX" != "x" ]; then 172 TMUX="${TEST_SSH_TMUX}" 173fi 174if [ "x$TEST_SSH_PKCS11_HELPER" != "x" ]; then 175 SSH_PKCS11_HELPER="${TEST_SSH_PKCS11_HELPER}" 176fi 177if [ "x$TEST_SSH_SK_HELPER" != "x" ]; then 178 SSH_SK_HELPER="${TEST_SSH_SK_HELPER}" 179fi 180if [ "x$TEST_SSH_OPENSSL" != "x" ]; then 181 OPENSSL_BIN="${TEST_SSH_OPENSSL}" 182fi 183 184# Path to sshd must be absolute for rexec 185case "$SSHD" in 186/*) ;; 187*) SSHD=`which $SSHD` ;; 188esac 189 190case "$SSH" in 191/*) ;; 192*) SSH=`which $SSH` ;; 193esac 194 195case "$SSHAGENT" in 196/*) ;; 197*) SSHAGENT=`which $SSHAGENT` ;; 198esac 199 200# Record the actual binaries used. 201SSH_BIN=${SSH} 202SSHD_BIN=${SSHD} 203SSHAGENT_BIN=${SSHAGENT} 204SSHADD_BIN=${SSHADD} 205SSHKEYGEN_BIN=${SSHKEYGEN} 206SSHKEYSCAN_BIN=${SSHKEYSCAN} 207SFTP_BIN=${SFTP} 208SFTPSERVER_BIN=${SFTPSERVER} 209SCP_BIN=${SCP} 210 211if [ "x$USE_VALGRIND" != "x" ]; then 212 rm -rf $OBJ/valgrind-out $OBJ/valgrind-vgdb 213 mkdir -p $OBJ/valgrind-out $OBJ/valgrind-vgdb 214 # When using sudo ensure low-priv tests can write pipes and logs. 215 if [ "x$SUDO" != "x" ]; then 216 chmod 777 $OBJ/valgrind-out $OBJ/valgrind-vgdb 217 fi 218 VG_TEST=`basename $SCRIPT .sh` 219 220 # Some tests are difficult to fix. 221 case "$VG_TEST" in 222 reexec) 223 VG_SKIP=1 ;; 224 sftp-chroot) 225 if [ "x${SUDO}" != "x" ]; then 226 VG_SKIP=1 227 fi ;; 228 esac 229 230 if [ x"$VG_SKIP" = "x" ]; then 231 VG_LEAK="--leak-check=no" 232 if [ x"$VALGRIND_CHECK_LEAKS" != "x" ]; then 233 VG_LEAK="--leak-check=full" 234 fi 235 VG_IGNORE="/bin/*,/sbin/*,/usr/*,/var/*" 236 VG_LOG="$OBJ/valgrind-out/${VG_TEST}." 237 VG_OPTS="--track-origins=yes $VG_LEAK" 238 VG_OPTS="$VG_OPTS --trace-children=yes" 239 VG_OPTS="$VG_OPTS --trace-children-skip=${VG_IGNORE}" 240 VG_OPTS="$VG_OPTS --vgdb-prefix=$OBJ/valgrind-vgdb/" 241 VG_PATH="valgrind" 242 if [ "x$VALGRIND_PATH" != "x" ]; then 243 VG_PATH="$VALGRIND_PATH" 244 fi 245 VG="$VG_PATH $VG_OPTS" 246 SSH="$VG --log-file=${VG_LOG}ssh.%p $SSH" 247 SSHD="$VG --log-file=${VG_LOG}sshd.%p $SSHD" 248 SSHAGENT="$VG --log-file=${VG_LOG}ssh-agent.%p $SSHAGENT" 249 SSHADD="$VG --log-file=${VG_LOG}ssh-add.%p $SSHADD" 250 SSHKEYGEN="$VG --log-file=${VG_LOG}ssh-keygen.%p $SSHKEYGEN" 251 SSHKEYSCAN="$VG --log-file=${VG_LOG}ssh-keyscan.%p $SSHKEYSCAN" 252 SFTP="$VG --log-file=${VG_LOG}sftp.%p ${SFTP}" 253 SCP="$VG --log-file=${VG_LOG}scp.%p $SCP" 254 cat > $OBJ/valgrind-sftp-server.sh << EOF 255#!/bin/sh 256exec $VG --log-file=${VG_LOG}sftp-server.%p $SFTPSERVER "\$@" 257EOF 258 chmod a+rx $OBJ/valgrind-sftp-server.sh 259 SFTPSERVER="$OBJ/valgrind-sftp-server.sh" 260 fi 261fi 262 263# Logfiles. 264# SSH_LOGFILE should be the debug output of ssh(1) only 265# SSHD_LOGFILE should be the debug output of sshd(8) only 266# REGRESS_LOGFILE is the log of progress of the regress test itself. 267# TEST_SSH_LOGDIR will contain datestamped logs of all binaries run in 268# chronological order. 269if [ "x$TEST_SSH_LOGDIR" = "x" ]; then 270 TEST_SSH_LOGDIR=$OBJ/log 271 mkdir -p $TEST_SSH_LOGDIR 272fi 273if [ "x$TEST_SSH_LOGFILE" = "x" ]; then 274 TEST_SSH_LOGFILE=$OBJ/ssh.log 275fi 276if [ "x$TEST_SSHD_LOGFILE" = "x" ]; then 277 TEST_SSHD_LOGFILE=$OBJ/sshd.log 278fi 279if [ "x$TEST_REGRESS_LOGFILE" = "x" ]; then 280 TEST_REGRESS_LOGFILE=$OBJ/regress.log 281fi 282 283# If set, keep track of successful tests and skip them them if we've 284# previously completed that test. 285if [ "x$TEST_REGRESS_CACHE_DIR" != "x" ]; then 286 if [ ! -d "$TEST_REGRESS_CACHE_DIR" ]; then 287 mkdir -p "$TEST_REGRESS_CACHE_DIR" 288 fi 289 TEST="`basename $SCRIPT .sh`" 290 CACHE="${TEST_REGRESS_CACHE_DIR}/${TEST}.cache" 291 for i in ${SSH} ${SSHD} ${SSHAGENT} ${SSHADD} ${SSHKEYGEN} ${SCP} \ 292 ${SFTP} ${SFTPSERVER} ${SSHKEYSCAN}; do 293 case $i in 294 /*) bin="$i" ;; 295 *) bin="`which $i`" ;; 296 esac 297 if [ "$bin" -nt "$CACHE" ]; then 298 rm -f "$CACHE" 299 fi 300 done 301 if [ -f "$CACHE" ]; then 302 echo ok cached $CACHE 303 exit 0 304 fi 305fi 306 307# truncate logfiles 308>$TEST_REGRESS_LOGFILE 309 310# Create ssh and sshd wrappers with logging. These create a datestamped 311# unique file for every invocation so that we can retain all logs from a 312# given test no matter how many times it's invoked. It also leaves a 313# symlink with the original name for tests (and people) who look for that. 314 315# For ssh, e can't just specify "SSH=ssh -E..." because sftp and scp don't 316# handle spaces in arguments. scp and sftp like to use -q so we remove those 317# to preserve our debug logging. In the rare instance where -q is desirable 318# -qq is equivalent and is not removed. 319SSHLOGWRAP=$OBJ/ssh-log-wrapper.sh 320rm -f ${SSHLOGWRAP} 321cat >$SSHLOGWRAP <<EOD 322#!/bin/sh 323timestamp="\`$OBJ/timestamp\`" 324logfile="${TEST_SSH_LOGDIR}/\${timestamp}.ssh.\$\$.log" 325echo "Executing: ${SSH} \$@" log \${logfile} >>$TEST_REGRESS_LOGFILE 326echo "Executing: ${SSH} \$@" >>\${logfile} 327for i in "\$@";do shift;case "\$i" in -q):;; *) set -- "\$@" "\$i";;esac;done 328rm -f $TEST_SSH_LOGFILE 329ln -f -s \${logfile} $TEST_SSH_LOGFILE 330exec ${SSH} -E\${logfile} "\$@" 331EOD 332 333chmod a+rx $OBJ/ssh-log-wrapper.sh 334REAL_SSH="$SSH" 335REAL_SSHD="$SSHD" 336SSH="$SSHLOGWRAP" 337 338SSHDLOGWRAP=$OBJ/sshd-log-wrapper.sh 339rm -f ${SSHDLOGWRAP} 340cat >$SSHDLOGWRAP <<EOD 341#!/bin/sh 342timestamp="\`$OBJ/timestamp\`" 343logfile="${TEST_SSH_LOGDIR}/\${timestamp}.sshd.\$\$.log" 344rm -f $TEST_SSHD_LOGFILE 345touch \$logfile 346test -z "$SUDO" || chown $USER \$logfile 347ln -f -s \${logfile} $TEST_SSHD_LOGFILE 348echo "Executing: ${SSHD} \$@" log \${logfile} >>$TEST_REGRESS_LOGFILE 349echo "Executing: ${SSHD} \$@" >>\${logfile} 350exec ${SSHD} -E\${logfile} "\$@" 351EOD 352chmod a+rx $OBJ/sshd-log-wrapper.sh 353 354ssh_logfile () 355{ 356 tool="$1" 357 timestamp="`$OBJ/timestamp`" 358 logfile="${TEST_SSH_LOGDIR}/${timestamp}.$tool.$$.log" 359 echo "Logging $tool to log \${logfile}" >>$TEST_REGRESS_LOGFILE 360 echo $logfile 361} 362 363# Some test data. We make a copy because some tests will overwrite it. 364# The tests may assume that $DATA exists and is writable and $COPY does 365# not exist. Tests requiring larger data files can call increase_datafile_size 366# [kbytes] to ensure the file is at least that large. 367DATANAME=data 368DATA=$OBJ/${DATANAME} 369cat ${SSH_BIN} >${DATA} 370chmod u+w ${DATA} 371COPY=$OBJ/copy 372rm -f ${COPY} 373 374increase_datafile_size() 375{ 376 while [ `du -k ${DATA} | cut -f1` -lt $1 ]; do 377 cat ${SSH_BIN} >>${DATA} 378 done 379} 380 381# these should be used in tests 382export SSH SSHD SSHAGENT SSHADD SSHKEYGEN SSHKEYSCAN SFTP SFTPSERVER SCP 383export SSH_PKCS11_HELPER SSH_SK_HELPER 384#echo $SSH $SSHD $SSHAGENT $SSHADD $SSHKEYGEN $SSHKEYSCAN $SFTP $SFTPSERVER $SCP 385 386# Portable specific functions 387which() 388{ 389 saved_IFS="$IFS" 390 IFS=":" 391 for i in $PATH 392 do 393 if [ -x $i/$1 ]; then 394 IFS="$saved_IFS" 395 echo "$i/$1" 396 return 0 397 fi 398 done 399 IFS="$saved_IFS" 400 echo "$i/$1" 401 return 1 402} 403 404have_prog() 405{ 406 which "$1" >/dev/null 2>&1 407 return $? 408} 409 410jot() { 411 awk "BEGIN { for (i = $2; i < $2 + $1; i++) { printf \"%d\n\", i } exit }" 412} 413 414if [ ! -x "`which rev`" ]; then 415rev() 416{ 417 awk '{for (i=length; i>0; i--) printf "%s", substr($0, i, 1); print ""}' 418} 419fi 420 421if [ -x "/usr/xpg4/bin/id" ]; then 422id() 423{ 424 /usr/xpg4/bin/id $@ 425} 426fi 427 428# Check whether preprocessor symbols are defined in config.h. 429config_defined () 430{ 431 str=$1 432 while test "x$2" != "x" ; do 433 str="$str|$2" 434 shift 435 done 436 egrep "^#define.*($str)" ${BUILDDIR}/config.h >/dev/null 2>&1 437} 438 439md5 () { 440 if have_prog md5sum; then 441 md5sum 442 elif have_prog openssl; then 443 openssl md5 444 elif have_prog cksum; then 445 cksum 446 elif have_prog sum; then 447 sum 448 elif [ -x ${OPENSSL_BIN} ]; then 449 ${OPENSSL_BIN} md5 450 else 451 wc -c 452 fi 453} 454 455# Some platforms don't have hostname at all, but on others uname -n doesn't 456# provide the fully qualified name we need, so in the former case we create 457# our own hostname function. 458if ! have_prog hostname; then 459 hostname() { 460 uname -n 461 } 462fi 463 464make_tmpdir () 465{ 466 SSH_REGRESS_TMP="$($OBJ/mkdtemp openssh-XXXXXXXX)" || \ 467 fatal "failed to create temporary directory" 468} 469# End of portable specific functions 470 471stop_sshd () 472{ 473 [ -z $PIDFILE ] && return 474 [ -f $PIDFILE ] || return 475 pid=`$SUDO cat $PIDFILE` 476 if [ "X$pid" = "X" ]; then 477 echo "no sshd running" 1>&2 478 return 479 elif [ $pid -lt 2 ]; then 480 echo "bad pid for sshd: $pid" 1>&2 481 return 482 fi 483 $SUDO kill $pid 484 trace "wait for sshd to exit" 485 i=0; 486 while [ -f $PIDFILE -a $i -lt 5 ]; do 487 i=`expr $i + 1` 488 sleep $i 489 done 490 if test -f $PIDFILE; then 491 if $SUDO kill -0 $pid; then 492 echo "sshd didn't exit port $PORT pid $pid" 1>&2 493 else 494 echo "sshd died without cleanup" 1>&2 495 fi 496 exit 1 497 fi 498 PIDFILE="" 499} 500 501# helper 502cleanup () 503{ 504 if [ "x$SSH_PID" != "x" ]; then 505 if [ $SSH_PID -lt 2 ]; then 506 echo bad pid for ssh: $SSH_PID 507 else 508 kill $SSH_PID 509 fi 510 fi 511 if [ "x$SSH_REGRESS_TMP" != "x" ]; then 512 rm -rf "$SSH_REGRESS_TMP" 513 fi 514 stop_sshd 515 if [ ! -z "$TEST_SSH_ELAPSED_TIMES" ]; then 516 now=`date '+%s'` 517 elapsed=$(($now - $STARTTIME)) 518 echo elapsed $elapsed `basename $SCRIPT .sh` 519 fi 520} 521 522start_debug_log () 523{ 524 echo "trace: $@" >>$TEST_REGRESS_LOGFILE 525 if [ -d "$TEST_SSH_LOGDIR" ]; then 526 rm -f $TEST_SSH_LOGDIR/* 527 fi 528} 529 530save_debug_log () 531{ 532 testname=`echo $tid | tr ' ' _` 533 tarname="$OBJ/failed-$testname-logs.tar" 534 535 for logfile in $TEST_SSH_LOGDIR $TEST_REGRESS_LOGFILE \ 536 $TEST_SSH_LOGFILE $TEST_SSHD_LOGFILE; do 537 if [ ! -z "$SUDO" ]; then 538 touch $logfile 539 $SUDO chown -R $USER $logfile 540 $SUDO chmod ug+rw $logfile 541 fi 542 done 543 echo $@ >>$TEST_REGRESS_LOGFILE 544 echo $@ >>$TEST_SSH_LOGFILE 545 echo $@ >>$TEST_SSHD_LOGFILE 546 echo "Saving debug logs to $tarname" >>$TEST_REGRESS_LOGFILE 547 (cat $TEST_REGRESS_LOGFILE; echo) >>$OBJ/failed-regress.log 548 (cat $TEST_SSH_LOGFILE; echo) >>$OBJ/failed-ssh.log 549 (cat $TEST_SSHD_LOGFILE; echo) >>$OBJ/failed-sshd.log 550} 551 552trace () 553{ 554 start_debug_log $@ 555 if [ "X$TEST_SSH_TRACE" = "Xyes" ]; then 556 echo "$@" 557 fi 558} 559 560verbose () 561{ 562 start_debug_log $@ 563 if [ "X$TEST_SSH_QUIET" != "Xyes" ]; then 564 echo "$@" 565 fi 566} 567 568fail () 569{ 570 save_debug_log "FAIL: $@" 571 RESULT=1 572 echo "$@" 573 if test "x$TEST_SSH_FAIL_FATAL" != "x" ; then 574 cleanup 575 exit $RESULT 576 fi 577} 578 579fatal () 580{ 581 save_debug_log "FATAL: $@" 582 printf "FATAL: " 583 fail "$@" 584 cleanup 585 exit $RESULT 586} 587 588# Skip remaining tests in script. 589skip () 590{ 591 echo "SKIPPED: $@" 592 cleanup 593 exit $RESULT 594} 595 596maybe_add_scp_path_to_sshd () 597{ 598 # If we're testing a non-installed scp, add its directory to sshd's 599 # PATH so we can test it. We don't do this for all tests as it 600 # breaks the SetEnv tests. 601 case "$SCP" in 602 /*) PATH_WITH_SCP="`dirname $SCP`:$PATH" 603 echo " SetEnv PATH='$PATH_WITH_SCP'" >>$OBJ/sshd_config 604 echo " SetEnv PATH='$PATH_WITH_SCP'" >>$OBJ/sshd_proxy ;; 605 esac 606} 607 608RESULT=0 609PIDFILE=$OBJ/pidfile 610 611trap fatal 3 2 612 613# create server config 614cat << EOF > $OBJ/sshd_config 615 StrictModes no 616 Port $PORT 617 AddressFamily inet 618 ListenAddress 127.0.0.1 619 #ListenAddress ::1 620 PidFile $PIDFILE 621 AuthorizedKeysFile $OBJ/authorized_keys_%u 622 LogLevel DEBUG3 623 AcceptEnv _XXX_TEST_* 624 AcceptEnv _XXX_TEST 625 Subsystem sftp $SFTPSERVER 626 SshdSessionPath $SSHD_SESSION 627 SshdAuthPath $SSHD_AUTH 628 PerSourcePenalties no 629EOF 630 631# This may be necessary if /usr/src and/or /usr/obj are group-writable, 632# but if you aren't careful with permissions then the unit tests could 633# be abused to locally escalate privileges. 634if [ ! -z "$TEST_SSH_UNSAFE_PERMISSIONS" ]; then 635 echo " StrictModes no" >> $OBJ/sshd_config 636else 637 # check and warn if excessive permissions are likely to cause failures. 638 unsafe="" 639 dir="${OBJ}" 640 while test ${dir} != "/"; do 641 if test -d "${dir}" && ! test -h "${dir}"; then 642 perms=`ls -ld ${dir}` 643 case "${perms}" in 644 ?????w????*|????????w?*) unsafe="${unsafe} ${dir}" ;; 645 esac 646 fi 647 dir=`dirname ${dir}` 648 done 649 if ! test -z "${unsafe}"; then 650 cat <<EOD 651 652WARNING: Unsafe (group or world writable) directory permissions found: 653${unsafe} 654 655These could be abused to locally escalate privileges. If you are 656sure that this is not a risk (eg there are no other users), you can 657bypass this check by setting TEST_SSH_UNSAFE_PERMISSIONS=1 658 659EOD 660 fi 661fi 662 663if [ ! -z "$TEST_SSH_MODULI_FILE" ]; then 664 trace "adding modulifile='$TEST_SSH_MODULI_FILE' to sshd_config" 665 echo " ModuliFile '$TEST_SSH_MODULI_FILE'" >> $OBJ/sshd_config 666fi 667 668if [ ! -z "$TEST_SSH_SSHD_CONFOPTS" ]; then 669 trace "adding sshd_config option $TEST_SSH_SSHD_CONFOPTS" 670 echo "$TEST_SSH_SSHD_CONFOPTS" >> $OBJ/sshd_config 671fi 672 673# server config for proxy connects 674cp $OBJ/sshd_config $OBJ/sshd_proxy 675 676# allow group-writable directories in proxy-mode 677echo 'StrictModes no' >> $OBJ/sshd_proxy 678 679# create client config 680cat << EOF > $OBJ/ssh_config 681Host * 682 Hostname 127.0.0.1 683 HostKeyAlias localhost-with-alias 684 Port $PORT 685 User $USER 686 GlobalKnownHostsFile $OBJ/known_hosts 687 UserKnownHostsFile $OBJ/known_hosts 688 PubkeyAuthentication yes 689 ChallengeResponseAuthentication no 690 PasswordAuthentication no 691 BatchMode yes 692 StrictHostKeyChecking yes 693 LogLevel DEBUG3 694EOF 695 696if [ ! -z "$TEST_SSH_SSH_CONFOPTS" ]; then 697 trace "adding ssh_config option $TEST_SSH_SSH_CONFOPTS" 698 echo "$TEST_SSH_SSH_CONFOPTS" >> $OBJ/ssh_config 699fi 700 701rm -f $OBJ/known_hosts $OBJ/authorized_keys_$USER 702 703SSH_SK_PROVIDER= 704if ! config_defined ENABLE_SK; then 705 trace skipping sk-dummy 706elif [ -f "${SRC}/misc/sk-dummy/obj/sk-dummy.so" ] ; then 707 SSH_SK_PROVIDER="${SRC}/misc/sk-dummy/obj/sk-dummy.so" 708elif [ -f "${OBJ}/misc/sk-dummy/sk-dummy.so" ] ; then 709 SSH_SK_PROVIDER="${OBJ}/misc/sk-dummy/sk-dummy.so" 710elif [ -f "${SRC}/misc/sk-dummy/sk-dummy.so" ] ; then 711 SSH_SK_PROVIDER="${SRC}/misc/sk-dummy/sk-dummy.so" 712fi 713export SSH_SK_PROVIDER 714 715if ! test -z "$SSH_SK_PROVIDER"; then 716 EXTRA_AGENT_ARGS='-P/*' # XXX want realpath(1)... 717 echo "SecurityKeyProvider $SSH_SK_PROVIDER" >> $OBJ/ssh_config 718 echo "SecurityKeyProvider $SSH_SK_PROVIDER" >> $OBJ/sshd_config 719 echo "SecurityKeyProvider $SSH_SK_PROVIDER" >> $OBJ/sshd_proxy 720fi 721export EXTRA_AGENT_ARGS 722 723maybe_filter_sk() { 724 if test -z "$SSH_SK_PROVIDER" ; then 725 grep -v ^sk | grep -v ^webauthn 726 else 727 grep -v ^webauthn 728 fi 729} 730 731SSH_KEYTYPES=`$SSH -Q key-plain | maybe_filter_sk` 732SSH_HOSTKEY_TYPES=`$SSH -Q key-plain | maybe_filter_sk` 733 734for t in ${SSH_KEYTYPES}; do 735 # generate user key 736 if [ ! -f $OBJ/$t ] || [ ${SSHKEYGEN_BIN} -nt $OBJ/$t ]; then 737 trace "generating key type $t" 738 rm -f $OBJ/$t 739 ${SSHKEYGEN} -q -N '' -t $t -f $OBJ/$t ||\ 740 fail "ssh-keygen for $t failed" 741 else 742 trace "using cached key type $t" 743 fi 744 745 # setup authorized keys 746 cat $OBJ/$t.pub >> $OBJ/authorized_keys_$USER 747 echo IdentityFile $OBJ/$t >> $OBJ/ssh_config 748done 749 750for t in ${SSH_HOSTKEY_TYPES}; do 751 # known hosts file for client 752 ( 753 printf 'localhost-with-alias,127.0.0.1,::1 ' 754 cat $OBJ/$t.pub 755 ) >> $OBJ/known_hosts 756 757 # use key as host key, too 758 (umask 077; $SUDO cp $OBJ/$t $OBJ/host.$t) 759 echo HostKey $OBJ/host.$t >> $OBJ/sshd_config 760 761 # don't use SUDO for proxy connect 762 echo HostKey $OBJ/$t >> $OBJ/sshd_proxy 763done 764chmod 644 $OBJ/authorized_keys_$USER 765 766# Activate Twisted Conch tests if the binary is present 767REGRESS_INTEROP_CONCH=no 768if test -x "$CONCH" ; then 769 REGRESS_INTEROP_CONCH=yes 770fi 771 772# If PuTTY is present, new enough and we are running a PuTTY test, prepare 773# keys and configuration. 774REGRESS_INTEROP_PUTTY=no 775if test -x "$PUTTYGEN" -a -x "$PLINK" && 776 "$PUTTYGEN" --help 2>&1 | grep -- --new-passphrase >/dev/null; then 777 REGRESS_INTEROP_PUTTY=yes 778fi 779case "$SCRIPT" in 780*putty*) ;; 781*) REGRESS_INTEROP_PUTTY=no ;; 782esac 783 784puttysetup() { 785 if test "x$REGRESS_INTEROP_PUTTY" != "xyes" ; then 786 skip "putty interop tests not enabled" 787 fi 788 789 mkdir -p ${OBJ}/.putty 790 791 # Add a PuTTY key to authorized_keys 792 rm -f ${OBJ}/putty.rsa2 793 if ! "$PUTTYGEN" -t rsa -o ${OBJ}/putty.rsa2 \ 794 --random-device=/dev/urandom \ 795 --new-passphrase /dev/null < /dev/null > /dev/null; then 796 echo "Your installed version of PuTTY is too old to support --new-passphrase, skipping test" >&2 797 exit 1 798 fi 799 "$PUTTYGEN" -O public-openssh ${OBJ}/putty.rsa2 \ 800 >> $OBJ/authorized_keys_$USER 801 802 # Convert rsa2 host key to PuTTY format 803 cp $OBJ/ssh-rsa $OBJ/ssh-rsa_oldfmt 804 ${SSHKEYGEN} -p -N '' -m PEM -f $OBJ/ssh-rsa_oldfmt >/dev/null 805 ${SRC}/ssh2putty.sh 127.0.0.1 $PORT $OBJ/ssh-rsa_oldfmt > \ 806 ${OBJ}/.putty/sshhostkeys 807 ${SRC}/ssh2putty.sh 127.0.0.1 22 $OBJ/ssh-rsa_oldfmt >> \ 808 ${OBJ}/.putty/sshhostkeys 809 rm -f $OBJ/ssh-rsa_oldfmt 810 811 # Setup proxied session 812 mkdir -p ${OBJ}/.putty/sessions 813 rm -f ${OBJ}/.putty/sessions/localhost_proxy 814 echo "Protocol=ssh" >> ${OBJ}/.putty/sessions/localhost_proxy 815 echo "HostName=127.0.0.1" >> ${OBJ}/.putty/sessions/localhost_proxy 816 echo "PortNumber=$PORT" >> ${OBJ}/.putty/sessions/localhost_proxy 817 echo "ProxyMethod=5" >> ${OBJ}/.putty/sessions/localhost_proxy 818 echo "ProxyTelnetCommand=${OBJ}/sshd-log-wrapper.sh -i -f $OBJ/sshd_proxy" >> ${OBJ}/.putty/sessions/localhost_proxy 819 echo "ProxyLocalhost=1" >> ${OBJ}/.putty/sessions/localhost_proxy 820 821 PUTTYVER="`${PLINK} --version | awk '/plink: Release/{print $3}'`" 822 PUTTYMAJORVER="`echo ${PUTTYVER} | cut -f1 -d.`" 823 PUTTYMINORVER="`echo ${PUTTYVER} | cut -f2 -d.`" 824 verbose "plink version ${PUTTYVER} major ${PUTTYMAJORVER} minor ${PUTTYMINORVER}" 825 826 # Re-enable ssh-rsa on older PuTTY versions since they don't do newer 827 # key types. 828 if [ "$PUTTYMAJORVER" -eq "0" ] && [ "$PUTTYMINORVER" -lt "76" ]; then 829 echo "HostKeyAlgorithms +ssh-rsa" >> ${OBJ}/sshd_proxy 830 echo "PubkeyAcceptedKeyTypes +ssh-rsa" >> ${OBJ}/sshd_proxy 831 fi 832 833 if [ "$PUTTYMAJORVER" -eq "0" ] && [ "$PUTTYMINORVER" -le "64" ]; then 834 echo "KexAlgorithms +diffie-hellman-group14-sha1" \ 835 >>${OBJ}/sshd_proxy 836 fi 837 PUTTYDIR=${OBJ}/.putty 838 export PUTTYDIR 839} 840 841REGRESS_INTEROP_DROPBEAR=no 842if test -x "$DROPBEARKEY" -a -x "$DBCLIENT" -a -x "$DROPBEARCONVERT"; then 843 REGRESS_INTEROP_DROPBEAR=yes 844fi 845case "$SCRIPT" in 846*dropbear*) ;; 847*) REGRESS_INTEROP_DROPBEAR=no ;; 848esac 849 850if test "$REGRESS_INTEROP_DROPBEAR" = "yes" ; then 851 trace Create dropbear keys and add to authorized_keys 852 mkdir -p $OBJ/.dropbear $OBJ/.ssh 853 awk '{print "somehost "$2" "$3}' $OBJ/known_hosts >$OBJ/.ssh/known_hosts 854 kt="ed25519" 855 for i in dss rsa ecdsa; do 856 if $SSH -Q key-plain | grep "$i" >/dev/null; then 857 kt="$kt $i" 858 else 859 rm -f "$OBJ/.dropbear/id_$i" 860 fi 861 done 862 for i in $kt; do 863 if [ ! -f "$OBJ/.dropbear/id_$i" ]; then 864 verbose Create dropbear key type $i 865 $DROPBEARKEY -t $i -f $OBJ/.dropbear/id_$i \ 866 >/dev/null 2>&1 867 fi 868 $DROPBEARCONVERT dropbear openssh $OBJ/.dropbear/id_$i \ 869 $OBJ/.dropbear/ossh.id_$i >/dev/null 2>&1 870 $SSHKEYGEN -y -f $OBJ/.dropbear/ossh.id_$i \ 871 >>$OBJ/authorized_keys_$USER 872 rm -f $OBJ/.dropbear/id_$i.pub $OBJ/.dropbear/ossh.id_$i 873 done 874fi 875 876# create a proxy version of the client config 877( 878 cat $OBJ/ssh_config 879 echo proxycommand ${SUDO} env SSH_SK_HELPER=\"$SSH_SK_HELPER\" ${TEST_SSH_SSHD_ENV} ${OBJ}/sshd-log-wrapper.sh -i -f $OBJ/sshd_proxy 880) > $OBJ/ssh_proxy 881 882# check proxy config 883${SSHD} -t -f $OBJ/sshd_proxy || fatal "sshd_proxy broken" 884 885# extract proxycommand into separate shell script for use by Dropbear. 886echo '#!/bin/sh' >$OBJ/ssh_proxy.sh 887awk '/^proxycommand/' $OBJ/ssh_proxy | sed 's/^proxycommand//' \ 888 >>$OBJ/ssh_proxy.sh 889chmod a+x $OBJ/ssh_proxy.sh 890 891start_sshd () 892{ 893 PIDFILE=$OBJ/pidfile 894 # start sshd 895 logfile="${TEST_SSH_LOGDIR}/sshd.`$OBJ/timestamp`.$$.log" 896 $SUDO env SSH_SK_HELPER="$SSH_SK_HELPER" ${TEST_SSH_SSHD_ENV} \ 897 ${SSHD} -f $OBJ/sshd_config "$@" -t || fatal "sshd_config broken" 898 $SUDO env SSH_SK_HELPER="$SSH_SK_HELPER" ${TEST_SSH_SSHD_ENV} \ 899 ${SSHD} -f $OBJ/sshd_config "$@" -E$TEST_SSHD_LOGFILE 900 901 trace "wait for sshd" 902 i=0; 903 while [ ! -f $PIDFILE -a $i -lt 10 ]; do 904 i=`expr $i + 1` 905 sleep $i 906 done 907 rm -f ${TEST_SSHD_LOGFILE} 908 ln -f -s ${logfile} $TEST_SSHD_LOGFILE 909 910 test -f $PIDFILE || fatal "no sshd running on port $PORT" 911} 912 913enable_all_kexes_in_sshd () 914{ 915 kexs=`$SSH -Q KexAlgorithms | (tr '\n' ,; echo) | sed 's/,$//'` 916 echo KexAlgorithms $kexs >>$OBJ/sshd_config 917} 918 919# Find a PKCS#11 library. 920p11_find_lib() { 921 TEST_SSH_PKCS11="" 922 for _lib in "$@" ; do 923 if test -f "$_lib" ; then 924 TEST_SSH_PKCS11="$_lib" 925 return 926 fi 927 done 928} 929 930# Perform PKCS#11 setup: prepares a softhsm2 token configuration, generated 931# keys and loads them into the virtual token. 932PKCS11_OK= 933export PKCS11_OK 934p11_setup() { 935 # XXX we could potentially test ed25519 only in the absence of 936 # RSA and ECDSA support. 937 $SSH -Q key | grep ssh-rsa >/dev/null || return 1 938 p11_find_lib \ 939 /usr/local/lib/softhsm/libsofthsm2.so \ 940 /usr/lib64/pkcs11/libsofthsm2.so \ 941 /usr/lib/x86_64-linux-gnu/softhsm/libsofthsm2.so 942 test -z "$TEST_SSH_PKCS11" && return 1 943 trace "using token library $TEST_SSH_PKCS11" 944 TEST_SSH_PIN=1234 945 TEST_SSH_SOPIN=12345678 946 if [ "x$TEST_SSH_SSHPKCS11HELPER" != "x" ]; then 947 SSH_PKCS11_HELPER="${TEST_SSH_SSHPKCS11HELPER}" 948 export SSH_PKCS11_HELPER 949 fi 950 951 # setup environment for softhsm2 token 952 SSH_SOFTHSM_DIR=$OBJ/SOFTHSM 953 export SSH_SOFTHSM_DIR 954 rm -rf $SSH_SOFTHSM_DIR 955 TOKEN=$SSH_SOFTHSM_DIR/tokendir 956 mkdir -p $TOKEN 957 SOFTHSM2_CONF=$SSH_SOFTHSM_DIR/softhsm2.conf 958 export SOFTHSM2_CONF 959 cat > $SOFTHSM2_CONF << EOF 960# SoftHSM v2 configuration file 961directories.tokendir = ${TOKEN} 962objectstore.backend = file 963# ERROR, WARNING, INFO, DEBUG 964log.level = DEBUG 965# If CKF_REMOVABLE_DEVICE flag should be set 966slots.removable = false 967EOF 968 out=$(softhsm2-util --init-token --free --label token-slot-0 --pin "$TEST_SSH_PIN" --so-pin "$TEST_SSH_SOPIN") 969 slot=$(echo -- $out | sed 's/.* //') 970 trace "generating keys" 971 # RSA key 972 RSA=${SSH_SOFTHSM_DIR}/RSA 973 RSAP8=${SSH_SOFTHSM_DIR}/RSAP8 974 $OPENSSL_BIN genpkey -algorithm rsa > $RSA 2>/dev/null || \ 975 fatal "genpkey RSA fail" 976 $OPENSSL_BIN pkcs8 -nocrypt -in $RSA > $RSAP8 || fatal "pkcs8 RSA fail" 977 softhsm2-util --slot "$slot" --label 01 --id 01 --pin "$TEST_SSH_PIN" \ 978 --import $RSAP8 >/dev/null || fatal "softhsm import RSA fail" 979 chmod 600 $RSA 980 ${SSHKEYGEN} -y -f $RSA > ${RSA}.pub 981 # ECDSA key 982 ECPARAM=${SSH_SOFTHSM_DIR}/ECPARAM 983 EC=${SSH_SOFTHSM_DIR}/EC 984 ECP8=${SSH_SOFTHSM_DIR}/ECP8 985 $OPENSSL_BIN genpkey -genparam -algorithm ec \ 986 -pkeyopt ec_paramgen_curve:prime256v1 > $ECPARAM || \ 987 fatal "param EC fail" 988 $OPENSSL_BIN genpkey -paramfile $ECPARAM > $EC || \ 989 fatal "genpkey EC fail" 990 $OPENSSL_BIN pkcs8 -nocrypt -in $EC > $ECP8 || fatal "pkcs8 EC fail" 991 softhsm2-util --slot "$slot" --label 02 --id 02 --pin "$TEST_SSH_PIN" \ 992 --import $ECP8 >/dev/null || fatal "softhsm import EC fail" 993 chmod 600 $EC 994 ${SSHKEYGEN} -y -f $EC > ${EC}.pub 995 # Ed25519 key 996 ED25519=${SSH_SOFTHSM_DIR}/ED25519 997 ED25519P8=${SSH_SOFTHSM_DIR}/ED25519P8 998 $OPENSSL_BIN genpkey -algorithm ed25519 > $ED25519 || \ 999 fatal "genpkey Ed25519 fail" 1000 $OPENSSL_BIN pkcs8 -nocrypt -in $ED25519 > $ED25519P8 || \ 1001 fatal "pkcs8 Ed25519 fail" 1002 softhsm2-util --slot "$slot" --label 03 --id 03 --pin "$TEST_SSH_PIN" \ 1003 --import $ED25519P8 >/dev/null || \ 1004 fatal "softhsm import ed25519 fail" 1005 chmod 600 $ED25519 1006 ${SSHKEYGEN} -y -f $ED25519 > ${ED25519}.pub 1007 # Prepare some askpass scripts to load PINs. 1008 PIN_SH=$SSH_SOFTHSM_DIR/pin.sh 1009 cat > $PIN_SH << EOF 1010#!/bin/sh 1011echo "${TEST_SSH_PIN}" 1012EOF 1013 chmod 0700 "$PIN_SH" 1014 WRONGPIN_SH=$SSH_SOFTHSM_DIR/wrongpin.sh 1015 cat > $WRONGPIN_SH << EOF 1016#!/bin/sh 1017echo "0000" 1018EOF 1019 chmod 0700 "$WRONGPIN_SH" 1020 PKCS11_OK=yes 1021 if env SSH_ASKPASS="$PIN_SH" SSH_ASKPASS_REQUIRE=force \ 1022 ${SSHKEYGEN} -D ${TEST_SSH_PKCS11} >/dev/null 2>&1 ; then 1023 return 0 1024 fi 1025 return 1 1026} 1027 1028# Peforms ssh-add with the right token PIN. 1029p11_ssh_add() { 1030 env SSH_ASKPASS="$PIN_SH" SSH_ASKPASS_REQUIRE=force ${SSHADD} "$@" 1031} 1032 1033start_ssh_agent() { 1034 EXTRA_AGENT_ARGS="$1" 1035 if [ "$PKCS11_OK" = "yes" ]; then 1036 EXTRA_AGENT_ARGS="${EXTRA_AGENT_ARGS} -P${TEST_SSH_PKCS11}" 1037 fi 1038 SSH_AUTH_SOCK="$OBJ/agent.sock" 1039 export SSH_AUTH_SOCK 1040 rm -f $SSH_AUTH_SOCK $OBJ/agent.log 1041 trace "start agent" 1042 ${SSHAGENT} ${EXTRA_AGENT_ARGS} -d -a $SSH_AUTH_SOCK \ 1043 > $OBJ/agent.log 2>&1 & 1044 AGENT_PID=$! 1045 trap "kill $AGENT_PID" EXIT 1046 for x in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ; do 1047 # Give it a chance to start 1048 ${SSHADD} -l > /dev/null 2>&1 1049 r=$? 1050 test $r -eq 1 && break 1051 sleep 1 1052 done 1053 if [ $r -ne 1 ]; then 1054 fatal "ssh-add -l did not fail with exit code 1 (got $r)" 1055 fi 1056} 1057 1058# source test body 1059. $SCRIPT 1060 1061# kill sshd 1062cleanup 1063 1064if [ "x$USE_VALGRIND" != "x" ]; then 1065 # If there is an EXIT trap handler, invoke it now. 1066 # Some tests set these to clean up processes such as ssh-agent. We 1067 # need to wait for all valgrind processes to complete so we can check 1068 # their logs, but since the EXIT traps are not invoked until 1069 # test-exec.sh exits, waiting here will deadlock. 1070 # This is not very portable but then neither is valgrind itself. 1071 # As a bonus, dash (as used on the runners) has a "trap" that doesn't 1072 # work in a pipeline (hence the temp file) or a subshell. 1073 exithandler="" 1074 trap >/tmp/trap.$$ && exithandler=$(cat /tmp/trap.$$ | \ 1075 awk -F "'" '/EXIT$/{print $2}') 1076 rm -f /tmp/trap.$$ 1077 if [ "x${exithandler}" != "x" ]; then 1078 verbose invoking EXIT trap handler early: ${exithandler} 1079 eval "${exithandler}" 1080 trap '' EXIT 1081 fi 1082 1083 # wait for any running process to complete 1084 wait; sleep 1 1085 VG_RESULTS=$(find $OBJ/valgrind-out -type f -print) 1086 VG_RESULT_COUNT=0 1087 VG_FAIL_COUNT=0 1088 for i in $VG_RESULTS; do 1089 if grep "ERROR SUMMARY" $i >/dev/null; then 1090 VG_RESULT_COUNT=$(($VG_RESULT_COUNT + 1)) 1091 if ! grep "ERROR SUMMARY: 0 errors" $i >/dev/null; then 1092 VG_FAIL_COUNT=$(($VG_FAIL_COUNT + 1)) 1093 RESULT=1 1094 verbose valgrind failure $i 1095 cat $i 1096 fi 1097 fi 1098 done 1099 if [ x"$VG_SKIP" != "x" ]; then 1100 verbose valgrind skipped 1101 else 1102 verbose valgrind results $VG_RESULT_COUNT failures $VG_FAIL_COUNT 1103 fi 1104fi 1105 1106if [ $RESULT -eq 0 ]; then 1107 verbose ok $tid 1108 if [ "x$CACHE" != "x" ]; then 1109 touch "$CACHE" 1110 fi 1111else 1112 echo failed $tid 1113fi 1114exit $RESULT 1115