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 82# Likewise with awk. 83if test "x${AWK}" != "x" && test "x${AWK}" != "xawk"; then 84 awk () 85{ 86 ${AWK} "$@" 87} 88fi 89 90SRC=`dirname ${SCRIPT}` 91 92# defaults 93SSH=ssh 94SSHD=sshd 95SSHAGENT=ssh-agent 96SSHADD=ssh-add 97SSHKEYGEN=ssh-keygen 98SSHKEYSCAN=ssh-keyscan 99SFTP=sftp 100SFTPSERVER=/usr/libexec/openssh/sftp-server 101SSHD_SESSION=/usr/libexec/sshd-session 102SSHD_AUTH=/usr/libexec/sshd-auth 103SCP=scp 104 105# Set by make_tmpdir() on demand (below). 106SSH_REGRESS_TMP= 107 108# Interop testing 109PLINK=/usr/local/bin/plink 110PUTTYGEN=/usr/local/bin/puttygen 111CONCH=/usr/local/bin/conch 112DROPBEAR=/usr/local/sbin/dropbear 113DBCLIENT=/usr/local/bin/dbclient 114DROPBEARKEY=/usr/local/bin/dropbearkey 115DROPBEARCONVERT=/usr/local/bin/dropbearconvert 116 117# So we can override this in Portable. 118TEST_SHELL="${TEST_SHELL:-/bin/sh}" 119 120# Tools used by multiple tests 121NC=$OBJ/netcat 122# Always use the one configure tells us to, even if that's empty. 123#OPENSSL_BIN="${OPENSSL_BIN:-openssl}" 124 125if [ "x$TEST_SSH_SSH" != "x" ]; then 126 SSH="${TEST_SSH_SSH}" 127fi 128if [ "x$TEST_SSH_SSHD_SESSION" != "x" ]; then 129 SSHD_SESSION="${TEST_SSH_SSHD_SESSION}" 130fi 131if [ "x$TEST_SSH_SSHD_AUTH" != "x" ]; then 132 SSHD_AUTH="${TEST_SSH_SSHD_AUTH}" 133fi 134if [ "x$TEST_SSH_SSHD" != "x" ]; then 135 SSHD="${TEST_SSH_SSHD}" 136fi 137if [ "x$TEST_SSH_SSHAGENT" != "x" ]; then 138 SSHAGENT="${TEST_SSH_SSHAGENT}" 139fi 140if [ "x$TEST_SSH_SSHADD" != "x" ]; then 141 SSHADD="${TEST_SSH_SSHADD}" 142fi 143if [ "x$TEST_SSH_SSHKEYGEN" != "x" ]; then 144 SSHKEYGEN="${TEST_SSH_SSHKEYGEN}" 145fi 146if [ "x$TEST_SSH_SSHKEYSCAN" != "x" ]; then 147 SSHKEYSCAN="${TEST_SSH_SSHKEYSCAN}" 148fi 149if [ "x$TEST_SSH_SFTP" != "x" ]; then 150 SFTP="${TEST_SSH_SFTP}" 151fi 152if [ "x$TEST_SSH_SFTPSERVER" != "x" ]; then 153 SFTPSERVER="${TEST_SSH_SFTPSERVER}" 154fi 155if [ "x$TEST_SSH_SCP" != "x" ]; then 156 SCP="${TEST_SSH_SCP}" 157fi 158if [ "x$TEST_SSH_PLINK" != "x" ]; then 159 PLINK="${TEST_SSH_PLINK}" 160fi 161if [ "x$TEST_SSH_PUTTYGEN" != "x" ]; then 162 PUTTYGEN="${TEST_SSH_PUTTYGEN}" 163fi 164if [ "x$TEST_SSH_CONCH" != "x" ]; then 165 CONCH="${TEST_SSH_CONCH}" 166fi 167if [ "x$TEST_SSH_DROPBEAR" != "x" ]; then 168 DROPBEAR="${TEST_SSH_DROPBEAR}" 169fi 170if [ "x$TEST_SSH_DBCLIENT" != "x" ]; then 171 DBCLIENT="${TEST_SSH_DBCLIENT}" 172fi 173if [ "x$TEST_SSH_DROPBEARKEY" != "x" ]; then 174 DROPBEARKEY="${TEST_SSH_DROPBEARKEY}" 175fi 176if [ "x$TEST_SSH_DROPBEARCONVERT" != "x" ]; then 177 DROPBEARCONVERT="${TEST_SSH_DROPBEARCONVERT}" 178fi 179if [ "x$TEST_SSH_TMUX" != "x" ]; then 180 TMUX="${TEST_SSH_TMUX}" 181fi 182if [ "x$TEST_SSH_PKCS11_HELPER" != "x" ]; then 183 SSH_PKCS11_HELPER="${TEST_SSH_PKCS11_HELPER}" 184fi 185if [ "x$TEST_SSH_SK_HELPER" != "x" ]; then 186 SSH_SK_HELPER="${TEST_SSH_SK_HELPER}" 187fi 188if [ "x$TEST_SSH_OPENSSL" != "x" ]; then 189 OPENSSL_BIN="${TEST_SSH_OPENSSL}" 190fi 191 192# Path to sshd must be absolute for rexec 193case "$SSHD" in 194/*) ;; 195*) SSHD=`which $SSHD` ;; 196esac 197 198case "$SSH" in 199/*) ;; 200*) SSH=`which $SSH` ;; 201esac 202 203case "$SSHAGENT" in 204/*) ;; 205*) SSHAGENT=`which $SSHAGENT` ;; 206esac 207 208# Record the actual binaries used. 209SSH_BIN=${SSH} 210SSHD_BIN=${SSHD} 211SSHAGENT_BIN=${SSHAGENT} 212SSHADD_BIN=${SSHADD} 213SSHKEYGEN_BIN=${SSHKEYGEN} 214SSHKEYSCAN_BIN=${SSHKEYSCAN} 215SFTP_BIN=${SFTP} 216SFTPSERVER_BIN=${SFTPSERVER} 217SCP_BIN=${SCP} 218 219if [ "x$USE_VALGRIND" != "x" ]; then 220 rm -rf $OBJ/valgrind-out $OBJ/valgrind-vgdb 221 mkdir -p $OBJ/valgrind-out $OBJ/valgrind-vgdb 222 # When using sudo ensure low-priv tests can write pipes and logs. 223 if [ "x$SUDO" != "x" ]; then 224 chmod 777 $OBJ/valgrind-out $OBJ/valgrind-vgdb 225 fi 226 VG_TEST=`basename $SCRIPT .sh` 227 228 # Some tests are difficult to fix. 229 case "$VG_TEST" in 230 reexec) 231 VG_SKIP=1 ;; 232 sftp-chroot) 233 if [ "x${SUDO}" != "x" ]; then 234 VG_SKIP=1 235 fi ;; 236 esac 237 238 if [ x"$VG_SKIP" = "x" ]; then 239 VG_LEAK="--leak-check=no" 240 if [ x"$VALGRIND_CHECK_LEAKS" != "x" ]; then 241 VG_LEAK="--leak-check=full" 242 fi 243 VG_IGNORE="/bin/*,/sbin/*,/usr/*,/var/*" 244 VG_LOG="$OBJ/valgrind-out/${VG_TEST}." 245 VG_OPTS="--track-origins=yes $VG_LEAK" 246 VG_OPTS="$VG_OPTS --trace-children=yes" 247 VG_OPTS="$VG_OPTS --trace-children-skip=${VG_IGNORE}" 248 VG_OPTS="$VG_OPTS --vgdb-prefix=$OBJ/valgrind-vgdb/" 249 VG_PATH="valgrind" 250 if [ "x$VALGRIND_PATH" != "x" ]; then 251 VG_PATH="$VALGRIND_PATH" 252 fi 253 VG="$VG_PATH $VG_OPTS" 254 SSH="$VG --log-file=${VG_LOG}ssh.%p $SSH" 255 SSHD="$VG --log-file=${VG_LOG}sshd.%p $SSHD" 256 SSHAGENT="$VG --log-file=${VG_LOG}ssh-agent.%p $SSHAGENT" 257 SSHADD="$VG --log-file=${VG_LOG}ssh-add.%p $SSHADD" 258 SSHKEYGEN="$VG --log-file=${VG_LOG}ssh-keygen.%p $SSHKEYGEN" 259 SSHKEYSCAN="$VG --log-file=${VG_LOG}ssh-keyscan.%p $SSHKEYSCAN" 260 SFTP="$VG --log-file=${VG_LOG}sftp.%p ${SFTP}" 261 SCP="$VG --log-file=${VG_LOG}scp.%p $SCP" 262 cat > $OBJ/valgrind-sftp-server.sh << EOF 263#!/bin/sh 264exec $VG --log-file=${VG_LOG}sftp-server.%p $SFTPSERVER "\$@" 265EOF 266 chmod a+rx $OBJ/valgrind-sftp-server.sh 267 SFTPSERVER="$OBJ/valgrind-sftp-server.sh" 268 fi 269fi 270 271# Logfiles. 272# SSH_LOGFILE should be the debug output of ssh(1) only 273# SSHD_LOGFILE should be the debug output of sshd(8) only 274# REGRESS_LOGFILE is the log of progress of the regress test itself. 275# TEST_SSH_LOGDIR will contain datestamped logs of all binaries run in 276# chronological order. 277if [ "x$TEST_SSH_LOGDIR" = "x" ]; then 278 TEST_SSH_LOGDIR=$OBJ/log 279 mkdir -p $TEST_SSH_LOGDIR 280fi 281if [ "x$TEST_SSH_LOGFILE" = "x" ]; then 282 TEST_SSH_LOGFILE=$OBJ/ssh.log 283fi 284if [ "x$TEST_SSHD_LOGFILE" = "x" ]; then 285 TEST_SSHD_LOGFILE=$OBJ/sshd.log 286fi 287if [ "x$TEST_REGRESS_LOGFILE" = "x" ]; then 288 TEST_REGRESS_LOGFILE=$OBJ/regress.log 289fi 290 291# If set, keep track of successful tests and skip them them if we've 292# previously completed that test. 293if [ "x$TEST_REGRESS_CACHE_DIR" != "x" ]; then 294 if [ ! -d "$TEST_REGRESS_CACHE_DIR" ]; then 295 mkdir -p "$TEST_REGRESS_CACHE_DIR" 296 fi 297 TEST="`basename $SCRIPT .sh`" 298 CACHE="${TEST_REGRESS_CACHE_DIR}/${TEST}.cache" 299 for i in ${SSH} ${SSHD} ${SSHAGENT} ${SSHADD} ${SSHKEYGEN} ${SCP} \ 300 ${SFTP} ${SFTPSERVER} ${SSHKEYSCAN}; do 301 case $i in 302 /*) bin="$i" ;; 303 *) bin="`which $i`" ;; 304 esac 305 if [ "$bin" -nt "$CACHE" ]; then 306 rm -f "$CACHE" 307 fi 308 done 309 if [ -f "$CACHE" ]; then 310 echo ok cached $CACHE 311 exit 0 312 fi 313fi 314 315# truncate logfiles 316>$TEST_REGRESS_LOGFILE 317 318# Create ssh and sshd wrappers with logging. These create a datestamped 319# unique file for every invocation so that we can retain all logs from a 320# given test no matter how many times it's invoked. It also leaves a 321# symlink with the original name for tests (and people) who look for that. 322 323# For ssh, e can't just specify "SSH=ssh -E..." because sftp and scp don't 324# handle spaces in arguments. scp and sftp like to use -q so we remove those 325# to preserve our debug logging. In the rare instance where -q is desirable 326# -qq is equivalent and is not removed. 327SSHLOGWRAP=$OBJ/ssh-log-wrapper.sh 328rm -f ${SSHLOGWRAP} 329cat >$SSHLOGWRAP <<EOD 330#!/bin/sh 331timestamp="\`$OBJ/timestamp\`" 332logfile="${TEST_SSH_LOGDIR}/\${timestamp}.ssh.\$\$.log" 333echo "Executing: ${SSH} \$@" log \${logfile} >>$TEST_REGRESS_LOGFILE 334echo "Executing: ${SSH} \$@" >>\${logfile} 335for i in "\$@";do shift;case "\$i" in -q):;; *) set -- "\$@" "\$i";;esac;done 336rm -f $TEST_SSH_LOGFILE 337ln -f -s \${logfile} $TEST_SSH_LOGFILE 338exec ${SSH} -E\${logfile} "\$@" 339EOD 340 341chmod a+rx $OBJ/ssh-log-wrapper.sh 342REAL_SSH="$SSH" 343REAL_SSHD="$SSHD" 344SSH="$SSHLOGWRAP" 345 346SSHDLOGWRAP=$OBJ/sshd-log-wrapper.sh 347rm -f ${SSHDLOGWRAP} 348cat >$SSHDLOGWRAP <<EOD 349#!/bin/sh 350timestamp="\`$OBJ/timestamp\`" 351logfile="${TEST_SSH_LOGDIR}/\${timestamp}.sshd.\$\$.log" 352rm -f $TEST_SSHD_LOGFILE 353touch \$logfile 354test -z "$SUDO" || chown $USER \$logfile 355ln -f -s \${logfile} $TEST_SSHD_LOGFILE 356echo "Executing: ${SSHD} \$@" log \${logfile} >>$TEST_REGRESS_LOGFILE 357echo "Executing: ${SSHD} \$@" >>\${logfile} 358exec ${SSHD} -E\${logfile} "\$@" 359EOD 360chmod a+rx $OBJ/sshd-log-wrapper.sh 361 362ssh_logfile () 363{ 364 tool="$1" 365 timestamp="`$OBJ/timestamp`" 366 logfile="${TEST_SSH_LOGDIR}/${timestamp}.$tool.$$.log" 367 echo "Logging $tool to log \${logfile}" >>$TEST_REGRESS_LOGFILE 368 echo $logfile 369} 370 371# Some test data. We make a copy because some tests will overwrite it. 372# The tests may assume that $DATA exists and is writable and $COPY does 373# not exist. Tests requiring larger data files can call increase_datafile_size 374# [kbytes] to ensure the file is at least that large. 375DATANAME=data 376DATA=$OBJ/${DATANAME} 377cat ${SSH_BIN} >${DATA} 378chmod u+w ${DATA} 379COPY=$OBJ/copy 380rm -f ${COPY} 381 382increase_datafile_size() 383{ 384 while [ `du -k ${DATA} | cut -f1` -lt $1 ]; do 385 cat ${SSH_BIN} >>${DATA} 386 done 387} 388 389# these should be used in tests 390export SSH SSHD SSHAGENT SSHADD SSHKEYGEN SSHKEYSCAN SFTP SFTPSERVER SCP 391export SSH_PKCS11_HELPER SSH_SK_HELPER 392#echo $SSH $SSHD $SSHAGENT $SSHADD $SSHKEYGEN $SSHKEYSCAN $SFTP $SFTPSERVER $SCP 393 394# Portable specific functions 395which() 396{ 397 saved_IFS="$IFS" 398 IFS=":" 399 for i in $PATH 400 do 401 if [ -x $i/$1 ]; then 402 IFS="$saved_IFS" 403 echo "$i/$1" 404 return 0 405 fi 406 done 407 IFS="$saved_IFS" 408 echo "$i/$1" 409 return 1 410} 411 412have_prog() 413{ 414 which "$1" >/dev/null 2>&1 415 return $? 416} 417 418jot() { 419 awk "BEGIN { for (i = $2; i < $2 + $1; i++) { printf \"%d\n\", i } exit }" 420} 421 422if [ ! -x "`which rev`" ]; then 423rev() 424{ 425 awk '{for (i=length; i>0; i--) printf "%s", substr($0, i, 1); print ""}' 426} 427fi 428 429if [ -x "/usr/xpg4/bin/id" ]; then 430id() 431{ 432 /usr/xpg4/bin/id $@ 433} 434fi 435 436# Check whether preprocessor symbols are defined in config.h. 437config_defined () 438{ 439 str=$1 440 while test "x$2" != "x" ; do 441 str="$str|$2" 442 shift 443 done 444 egrep "^#define.*($str)" ${BUILDDIR}/config.h >/dev/null 2>&1 445} 446 447md5 () { 448 if have_prog md5sum; then 449 md5sum 450 elif have_prog openssl; then 451 openssl md5 452 elif have_prog cksum; then 453 cksum 454 elif have_prog sum; then 455 sum 456 elif [ -x ${OPENSSL_BIN} ]; then 457 ${OPENSSL_BIN} md5 458 else 459 wc -c 460 fi 461} 462 463# Some platforms don't have hostname at all, but on others uname -n doesn't 464# provide the fully qualified name we need, so in the former case we create 465# our own hostname function. 466if ! have_prog hostname; then 467 hostname() { 468 uname -n 469 } 470fi 471 472make_tmpdir () 473{ 474 SSH_REGRESS_TMP="$($OBJ/mkdtemp openssh-XXXXXXXX)" || \ 475 fatal "failed to create temporary directory" 476} 477# End of portable specific functions 478 479stop_sshd () 480{ 481 [ -z $PIDFILE ] && return 482 [ -f $PIDFILE ] || return 483 pid=`$SUDO cat $PIDFILE` 484 if [ "X$pid" = "X" ]; then 485 echo "no sshd running" 1>&2 486 return 487 elif [ $pid -lt 2 ]; then 488 echo "bad pid for sshd: $pid" 1>&2 489 return 490 fi 491 $SUDO kill $pid 492 trace "wait for sshd to exit" 493 i=0; 494 while [ -f $PIDFILE -a $i -lt 5 ]; do 495 i=`expr $i + 1` 496 sleep $i 497 done 498 if test -f $PIDFILE; then 499 if $SUDO kill -0 $pid; then 500 echo "sshd didn't exit port $PORT pid $pid" 1>&2 501 else 502 echo "sshd died without cleanup" 1>&2 503 fi 504 exit 1 505 fi 506 PIDFILE="" 507} 508 509# helper 510cleanup () 511{ 512 if [ "x$SSH_PID" != "x" ]; then 513 if [ $SSH_PID -lt 2 ]; then 514 echo bad pid for ssh: $SSH_PID 515 else 516 kill $SSH_PID 517 fi 518 fi 519 if [ "x$SSH_REGRESS_TMP" != "x" ]; then 520 rm -rf "$SSH_REGRESS_TMP" 521 fi 522 stop_sshd 523 if [ ! -z "$TEST_SSH_ELAPSED_TIMES" ]; then 524 now=`date '+%s'` 525 elapsed=$(($now - $STARTTIME)) 526 echo elapsed $elapsed `basename $SCRIPT .sh` 527 fi 528} 529 530start_debug_log () 531{ 532 echo "trace: $@" >>$TEST_REGRESS_LOGFILE 533 if [ -d "$TEST_SSH_LOGDIR" ]; then 534 rm -f $TEST_SSH_LOGDIR/* 535 fi 536} 537 538save_debug_log () 539{ 540 testname=`echo $tid | tr ' ' _` 541 tarname="$OBJ/failed-$testname-logs.tar" 542 543 for logfile in $TEST_SSH_LOGDIR $TEST_REGRESS_LOGFILE \ 544 $TEST_SSH_LOGFILE $TEST_SSHD_LOGFILE; do 545 if [ ! -z "$SUDO" ]; then 546 touch $logfile 547 $SUDO chown -R $USER $logfile 548 $SUDO chmod ug+rw $logfile 549 fi 550 done 551 echo $@ >>$TEST_REGRESS_LOGFILE 552 echo $@ >>$TEST_SSH_LOGFILE 553 echo $@ >>$TEST_SSHD_LOGFILE 554 echo "Saving debug logs to $tarname" >>$TEST_REGRESS_LOGFILE 555 (cat $TEST_REGRESS_LOGFILE; echo) >>$OBJ/failed-regress.log 556 (cat $TEST_SSH_LOGFILE; echo) >>$OBJ/failed-ssh.log 557 (cat $TEST_SSHD_LOGFILE; echo) >>$OBJ/failed-sshd.log 558} 559 560trace () 561{ 562 start_debug_log $@ 563 if [ "X$TEST_SSH_TRACE" = "Xyes" ]; then 564 echo "$@" 565 fi 566} 567 568verbose () 569{ 570 start_debug_log $@ 571 if [ "X$TEST_SSH_QUIET" != "Xyes" ]; then 572 echo "$@" 573 fi 574} 575 576fail () 577{ 578 save_debug_log "FAIL: $@" 579 RESULT=1 580 echo "$@" 581 if test "x$TEST_SSH_FAIL_FATAL" != "x" ; then 582 cleanup 583 exit $RESULT 584 fi 585} 586 587fatal () 588{ 589 save_debug_log "FATAL: $@" 590 printf "FATAL: " 591 fail "$@" 592 cleanup 593 exit $RESULT 594} 595 596# Skip remaining tests in script. 597skip () 598{ 599 echo "SKIPPED: $@" 600 cleanup 601 exit $RESULT 602} 603 604maybe_add_scp_path_to_sshd () 605{ 606 # If we're testing a non-installed scp, add its directory to sshd's 607 # PATH so we can test it. We don't do this for all tests as it 608 # breaks the SetEnv tests. 609 case "$SCP" in 610 /*) PATH_WITH_SCP="`dirname $SCP`:$PATH" 611 echo " SetEnv PATH='$PATH_WITH_SCP'" >>$OBJ/sshd_config 612 echo " SetEnv PATH='$PATH_WITH_SCP'" >>$OBJ/sshd_proxy ;; 613 esac 614} 615 616RESULT=0 617PIDFILE=$OBJ/pidfile 618 619trap fatal 3 2 620 621# create server config 622cat << EOF > $OBJ/sshd_config 623 StrictModes no 624 Port $PORT 625 AddressFamily inet 626 ListenAddress 127.0.0.1 627 #ListenAddress ::1 628 PidFile $PIDFILE 629 AuthorizedKeysFile $OBJ/authorized_keys_%u 630 LogLevel DEBUG3 631 AcceptEnv _XXX_TEST_* 632 AcceptEnv _XXX_TEST 633 Subsystem sftp $SFTPSERVER 634 SshdSessionPath $SSHD_SESSION 635 SshdAuthPath $SSHD_AUTH 636 PerSourcePenalties no 637EOF 638 639# This may be necessary if /usr/src and/or /usr/obj are group-writable, 640# but if you aren't careful with permissions then the unit tests could 641# be abused to locally escalate privileges. 642if [ ! -z "$TEST_SSH_UNSAFE_PERMISSIONS" ]; then 643 echo " StrictModes no" >> $OBJ/sshd_config 644else 645 # check and warn if excessive permissions are likely to cause failures. 646 unsafe="" 647 dir="${OBJ}" 648 while test ${dir} != "/"; do 649 if test -d "${dir}" && ! test -h "${dir}"; then 650 perms=`ls -ld ${dir}` 651 case "${perms}" in 652 ?????w????*|????????w?*) unsafe="${unsafe} ${dir}" ;; 653 esac 654 fi 655 dir=`dirname ${dir}` 656 done 657 if ! test -z "${unsafe}"; then 658 cat <<EOD 659 660WARNING: Unsafe (group or world writable) directory permissions found: 661${unsafe} 662 663These could be abused to locally escalate privileges. If you are 664sure that this is not a risk (eg there are no other users), you can 665bypass this check by setting TEST_SSH_UNSAFE_PERMISSIONS=1 666 667EOD 668 fi 669fi 670 671if [ ! -z "$TEST_SSH_MODULI_FILE" ]; then 672 trace "adding modulifile='$TEST_SSH_MODULI_FILE' to sshd_config" 673 echo " ModuliFile '$TEST_SSH_MODULI_FILE'" >> $OBJ/sshd_config 674fi 675 676if [ ! -z "$TEST_SSH_SSHD_CONFOPTS" ]; then 677 trace "adding sshd_config option $TEST_SSH_SSHD_CONFOPTS" 678 echo "$TEST_SSH_SSHD_CONFOPTS" >> $OBJ/sshd_config 679fi 680 681# server config for proxy connects 682cp $OBJ/sshd_config $OBJ/sshd_proxy 683 684# allow group-writable directories in proxy-mode 685echo 'StrictModes no' >> $OBJ/sshd_proxy 686 687# create client config 688cat << EOF > $OBJ/ssh_config 689Host * 690 Hostname 127.0.0.1 691 HostKeyAlias localhost-with-alias 692 Port $PORT 693 User $USER 694 GlobalKnownHostsFile $OBJ/known_hosts 695 UserKnownHostsFile $OBJ/known_hosts 696 PubkeyAuthentication yes 697 ChallengeResponseAuthentication no 698 PasswordAuthentication no 699 BatchMode yes 700 StrictHostKeyChecking yes 701 LogLevel DEBUG3 702EOF 703 704if [ ! -z "$TEST_SSH_SSH_CONFOPTS" ]; then 705 trace "adding ssh_config option $TEST_SSH_SSH_CONFOPTS" 706 echo "$TEST_SSH_SSH_CONFOPTS" >> $OBJ/ssh_config 707fi 708 709rm -f $OBJ/known_hosts $OBJ/authorized_keys_$USER 710 711SSH_SK_PROVIDER= 712if ! config_defined ENABLE_SK; then 713 trace skipping sk-dummy 714elif [ -f "${SRC}/misc/sk-dummy/obj/sk-dummy.so" ] ; then 715 SSH_SK_PROVIDER="${SRC}/misc/sk-dummy/obj/sk-dummy.so" 716elif [ -f "${OBJ}/misc/sk-dummy/sk-dummy.so" ] ; then 717 SSH_SK_PROVIDER="${OBJ}/misc/sk-dummy/sk-dummy.so" 718elif [ -f "${SRC}/misc/sk-dummy/sk-dummy.so" ] ; then 719 SSH_SK_PROVIDER="${SRC}/misc/sk-dummy/sk-dummy.so" 720fi 721export SSH_SK_PROVIDER 722 723if ! test -z "$SSH_SK_PROVIDER"; then 724 EXTRA_AGENT_ARGS='-P/*' # XXX want realpath(1)... 725 echo "SecurityKeyProvider $SSH_SK_PROVIDER" >> $OBJ/ssh_config 726 echo "SecurityKeyProvider $SSH_SK_PROVIDER" >> $OBJ/sshd_config 727 echo "SecurityKeyProvider $SSH_SK_PROVIDER" >> $OBJ/sshd_proxy 728fi 729export EXTRA_AGENT_ARGS 730 731maybe_filter_sk() { 732 if test -z "$SSH_SK_PROVIDER" ; then 733 grep -v ^sk | grep -v ^webauthn 734 else 735 grep -v ^webauthn 736 fi 737} 738 739SSH_KEYTYPES=`$SSH -Q key-plain | maybe_filter_sk` 740SSH_HOSTKEY_TYPES=`$SSH -Q key-plain | maybe_filter_sk` 741 742for t in ${SSH_KEYTYPES}; do 743 # generate user key 744 if [ ! -f $OBJ/$t ] || [ ${SSHKEYGEN_BIN} -nt $OBJ/$t ]; then 745 trace "generating key type $t" 746 rm -f $OBJ/$t 747 ${SSHKEYGEN} -q -N '' -t $t -f $OBJ/$t ||\ 748 fail "ssh-keygen for $t failed" 749 else 750 trace "using cached key type $t" 751 fi 752 753 # setup authorized keys 754 cat $OBJ/$t.pub >> $OBJ/authorized_keys_$USER 755 echo IdentityFile $OBJ/$t >> $OBJ/ssh_config 756done 757 758for t in ${SSH_HOSTKEY_TYPES}; do 759 # known hosts file for client 760 ( 761 printf 'localhost-with-alias,127.0.0.1,::1 ' 762 cat $OBJ/$t.pub 763 ) >> $OBJ/known_hosts 764 765 # use key as host key, too 766 (umask 077; $SUDO cp $OBJ/$t $OBJ/host.$t) 767 echo HostKey $OBJ/host.$t >> $OBJ/sshd_config 768 769 # don't use SUDO for proxy connect 770 echo HostKey $OBJ/$t >> $OBJ/sshd_proxy 771done 772chmod 644 $OBJ/authorized_keys_$USER 773 774# Activate Twisted Conch tests if the binary is present 775REGRESS_INTEROP_CONCH=no 776if test -x "$CONCH" ; then 777 REGRESS_INTEROP_CONCH=yes 778fi 779 780# If PuTTY is present, new enough and we are running a PuTTY test, prepare 781# keys and configuration. 782REGRESS_INTEROP_PUTTY=no 783if test -x "$PUTTYGEN" -a -x "$PLINK" && 784 "$PUTTYGEN" --help 2>&1 | grep -- --new-passphrase >/dev/null; then 785 REGRESS_INTEROP_PUTTY=yes 786fi 787case "$SCRIPT" in 788*putty*) ;; 789*) REGRESS_INTEROP_PUTTY=no ;; 790esac 791 792puttysetup() { 793 if test "x$REGRESS_INTEROP_PUTTY" != "xyes" ; then 794 skip "putty interop tests not enabled" 795 fi 796 797 mkdir -p ${OBJ}/.putty 798 799 # Add a PuTTY key to authorized_keys 800 rm -f ${OBJ}/putty.rsa2 801 if ! "$PUTTYGEN" -t rsa -o ${OBJ}/putty.rsa2 \ 802 --random-device=/dev/urandom \ 803 --new-passphrase /dev/null < /dev/null > /dev/null; then 804 echo "Your installed version of PuTTY is too old to support --new-passphrase, skipping test" >&2 805 exit 1 806 fi 807 "$PUTTYGEN" -O public-openssh ${OBJ}/putty.rsa2 \ 808 >> $OBJ/authorized_keys_$USER 809 810 # Convert rsa2 host key to PuTTY format 811 cp $OBJ/ssh-rsa $OBJ/ssh-rsa_oldfmt 812 ${SSHKEYGEN} -p -N '' -m PEM -f $OBJ/ssh-rsa_oldfmt >/dev/null 813 ${SRC}/ssh2putty.sh 127.0.0.1 $PORT $OBJ/ssh-rsa_oldfmt > \ 814 ${OBJ}/.putty/sshhostkeys 815 ${SRC}/ssh2putty.sh 127.0.0.1 22 $OBJ/ssh-rsa_oldfmt >> \ 816 ${OBJ}/.putty/sshhostkeys 817 rm -f $OBJ/ssh-rsa_oldfmt 818 819 # Setup proxied session 820 mkdir -p ${OBJ}/.putty/sessions 821 rm -f ${OBJ}/.putty/sessions/localhost_proxy 822 echo "Protocol=ssh" >> ${OBJ}/.putty/sessions/localhost_proxy 823 echo "HostName=127.0.0.1" >> ${OBJ}/.putty/sessions/localhost_proxy 824 echo "PortNumber=$PORT" >> ${OBJ}/.putty/sessions/localhost_proxy 825 echo "ProxyMethod=5" >> ${OBJ}/.putty/sessions/localhost_proxy 826 echo "ProxyTelnetCommand=${OBJ}/sshd-log-wrapper.sh -i -f $OBJ/sshd_proxy" >> ${OBJ}/.putty/sessions/localhost_proxy 827 echo "ProxyLocalhost=1" >> ${OBJ}/.putty/sessions/localhost_proxy 828 829 PUTTYVER="`${PLINK} --version | awk '/plink: Release/{print $3}'`" 830 PUTTYMAJORVER="`echo ${PUTTYVER} | cut -f1 -d.`" 831 PUTTYMINORVER="`echo ${PUTTYVER} | cut -f2 -d.`" 832 verbose "plink version ${PUTTYVER} major ${PUTTYMAJORVER} minor ${PUTTYMINORVER}" 833 834 # Re-enable ssh-rsa on older PuTTY versions since they don't do newer 835 # key types. 836 if [ "$PUTTYMAJORVER" -eq "0" ] && [ "$PUTTYMINORVER" -lt "76" ]; then 837 echo "HostKeyAlgorithms +ssh-rsa" >> ${OBJ}/sshd_proxy 838 echo "PubkeyAcceptedKeyTypes +ssh-rsa" >> ${OBJ}/sshd_proxy 839 fi 840 841 if [ "$PUTTYMAJORVER" -eq "0" ] && [ "$PUTTYMINORVER" -le "64" ]; then 842 echo "KexAlgorithms +diffie-hellman-group14-sha1" \ 843 >>${OBJ}/sshd_proxy 844 fi 845 PUTTYDIR=${OBJ}/.putty 846 export PUTTYDIR 847} 848 849REGRESS_INTEROP_DROPBEAR=no 850if test -x "$DROPBEARKEY" -a -x "$DBCLIENT" -a -x "$DROPBEARCONVERT"; then 851 REGRESS_INTEROP_DROPBEAR=yes 852fi 853case "$SCRIPT" in 854*dropbear*) ;; 855*) REGRESS_INTEROP_DROPBEAR=no ;; 856esac 857 858if test "$REGRESS_INTEROP_DROPBEAR" = "yes" ; then 859 trace Create dropbear keys and add to authorized_keys 860 mkdir -p $OBJ/.dropbear $OBJ/.ssh 861 awk '{print "somehost "$2" "$3}' $OBJ/known_hosts >$OBJ/.ssh/known_hosts 862 kt="ed25519" 863 for i in dss rsa ecdsa; do 864 if $SSH -Q key-plain | grep "$i" >/dev/null; then 865 kt="$kt $i" 866 else 867 rm -f "$OBJ/.dropbear/id_$i" 868 fi 869 done 870 for i in $kt; do 871 if [ ! -f "$OBJ/.dropbear/id_$i" ]; then 872 verbose Create dropbear key type $i 873 $DROPBEARKEY -t $i -f $OBJ/.dropbear/id_$i \ 874 >/dev/null 2>&1 875 fi 876 $DROPBEARCONVERT dropbear openssh $OBJ/.dropbear/id_$i \ 877 $OBJ/.dropbear/ossh.id_$i >/dev/null 2>&1 878 $SSHKEYGEN -y -f $OBJ/.dropbear/ossh.id_$i \ 879 >>$OBJ/authorized_keys_$USER 880 rm -f $OBJ/.dropbear/id_$i.pub $OBJ/.dropbear/ossh.id_$i 881 done 882fi 883 884# create a proxy version of the client config 885( 886 cat $OBJ/ssh_config 887 echo proxycommand ${SUDO} env SSH_SK_HELPER=\"$SSH_SK_HELPER\" ${TEST_SSH_SSHD_ENV} ${OBJ}/sshd-log-wrapper.sh -i -f $OBJ/sshd_proxy 888) > $OBJ/ssh_proxy 889 890# check proxy config 891${SSHD} -t -f $OBJ/sshd_proxy || fatal "sshd_proxy broken" 892 893# extract proxycommand into separate shell script for use by Dropbear. 894echo '#!/bin/sh' >$OBJ/ssh_proxy.sh 895awk '/^proxycommand/' $OBJ/ssh_proxy | sed 's/^proxycommand//' \ 896 >>$OBJ/ssh_proxy.sh 897chmod a+x $OBJ/ssh_proxy.sh 898 899start_sshd () 900{ 901 PIDFILE=$OBJ/pidfile 902 # start sshd 903 logfile="${TEST_SSH_LOGDIR}/sshd.`$OBJ/timestamp`.$$.log" 904 $SUDO env SSH_SK_HELPER="$SSH_SK_HELPER" ${TEST_SSH_SSHD_ENV} \ 905 ${SSHD} -f $OBJ/sshd_config "$@" -t || fatal "sshd_config broken" 906 $SUDO env SSH_SK_HELPER="$SSH_SK_HELPER" ${TEST_SSH_SSHD_ENV} \ 907 ${SSHD} -f $OBJ/sshd_config "$@" -E$TEST_SSHD_LOGFILE 908 909 trace "wait for sshd" 910 i=0; 911 while [ ! -f $PIDFILE -a $i -lt 10 ]; do 912 i=`expr $i + 1` 913 sleep $i 914 done 915 rm -f ${TEST_SSHD_LOGFILE} 916 ln -f -s ${logfile} $TEST_SSHD_LOGFILE 917 918 test -f $PIDFILE || fatal "no sshd running on port $PORT" 919} 920 921enable_all_kexes_in_sshd () 922{ 923 kexs=`$SSH -Q KexAlgorithms | (tr '\n' ,; echo) | sed 's/,$//'` 924 echo KexAlgorithms $kexs >>$OBJ/sshd_config 925} 926 927# Find a PKCS#11 library. 928p11_find_lib() { 929 TEST_SSH_PKCS11="" 930 for _lib in "$@" ; do 931 if test -f "$_lib" ; then 932 TEST_SSH_PKCS11="$_lib" 933 return 934 fi 935 done 936} 937 938# Perform PKCS#11 setup: prepares a softhsm2 token configuration, generated 939# keys and loads them into the virtual token. 940PKCS11_OK= 941export PKCS11_OK 942p11_setup() { 943 # XXX we could potentially test ed25519 only in the absence of 944 # RSA and ECDSA support. 945 $SSH -Q key | grep ssh-rsa >/dev/null || return 1 946 p11_find_lib \ 947 /usr/local/lib/softhsm/libsofthsm2.so \ 948 /usr/lib64/pkcs11/libsofthsm2.so \ 949 /usr/lib/x86_64-linux-gnu/softhsm/libsofthsm2.so 950 test -z "$TEST_SSH_PKCS11" && return 1 951 trace "using token library $TEST_SSH_PKCS11" 952 TEST_SSH_PIN=1234 953 TEST_SSH_SOPIN=12345678 954 if [ "x$TEST_SSH_SSHPKCS11HELPER" != "x" ]; then 955 SSH_PKCS11_HELPER="${TEST_SSH_SSHPKCS11HELPER}" 956 export SSH_PKCS11_HELPER 957 fi 958 959 # setup environment for softhsm2 token 960 SSH_SOFTHSM_DIR=$OBJ/SOFTHSM 961 export SSH_SOFTHSM_DIR 962 rm -rf $SSH_SOFTHSM_DIR 963 TOKEN=$SSH_SOFTHSM_DIR/tokendir 964 mkdir -p $TOKEN 965 SOFTHSM2_CONF=$SSH_SOFTHSM_DIR/softhsm2.conf 966 export SOFTHSM2_CONF 967 cat > $SOFTHSM2_CONF << EOF 968# SoftHSM v2 configuration file 969directories.tokendir = ${TOKEN} 970objectstore.backend = file 971# ERROR, WARNING, INFO, DEBUG 972log.level = DEBUG 973# If CKF_REMOVABLE_DEVICE flag should be set 974slots.removable = false 975EOF 976 out=$(softhsm2-util --init-token --free --label token-slot-0 --pin "$TEST_SSH_PIN" --so-pin "$TEST_SSH_SOPIN") 977 slot=$(echo -- $out | sed 's/.* //') 978 trace "generating keys" 979 # RSA key 980 RSA=${SSH_SOFTHSM_DIR}/RSA 981 RSAP8=${SSH_SOFTHSM_DIR}/RSAP8 982 $OPENSSL_BIN genpkey -algorithm rsa > $RSA 2>/dev/null || \ 983 fatal "genpkey RSA fail" 984 $OPENSSL_BIN pkcs8 -nocrypt -in $RSA > $RSAP8 || fatal "pkcs8 RSA fail" 985 softhsm2-util --slot "$slot" --label 01 --id 01 --pin "$TEST_SSH_PIN" \ 986 --import $RSAP8 >/dev/null || fatal "softhsm import RSA fail" 987 chmod 600 $RSA 988 ${SSHKEYGEN} -y -f $RSA > ${RSA}.pub 989 # ECDSA key 990 ECPARAM=${SSH_SOFTHSM_DIR}/ECPARAM 991 EC=${SSH_SOFTHSM_DIR}/EC 992 ECP8=${SSH_SOFTHSM_DIR}/ECP8 993 $OPENSSL_BIN genpkey -genparam -algorithm ec \ 994 -pkeyopt ec_paramgen_curve:prime256v1 > $ECPARAM || \ 995 fatal "param EC fail" 996 $OPENSSL_BIN genpkey -paramfile $ECPARAM > $EC || \ 997 fatal "genpkey EC fail" 998 $OPENSSL_BIN pkcs8 -nocrypt -in $EC > $ECP8 || fatal "pkcs8 EC fail" 999 softhsm2-util --slot "$slot" --label 02 --id 02 --pin "$TEST_SSH_PIN" \ 1000 --import $ECP8 >/dev/null || fatal "softhsm import EC fail" 1001 chmod 600 $EC 1002 ${SSHKEYGEN} -y -f $EC > ${EC}.pub 1003 # Ed25519 key 1004 ED25519=${SSH_SOFTHSM_DIR}/ED25519 1005 ED25519P8=${SSH_SOFTHSM_DIR}/ED25519P8 1006 $OPENSSL_BIN genpkey -algorithm ed25519 > $ED25519 || \ 1007 fatal "genpkey Ed25519 fail" 1008 $OPENSSL_BIN pkcs8 -nocrypt -in $ED25519 > $ED25519P8 || \ 1009 fatal "pkcs8 Ed25519 fail" 1010 softhsm2-util --slot "$slot" --label 03 --id 03 --pin "$TEST_SSH_PIN" \ 1011 --import $ED25519P8 >/dev/null || \ 1012 fatal "softhsm import ed25519 fail" 1013 chmod 600 $ED25519 1014 ${SSHKEYGEN} -y -f $ED25519 > ${ED25519}.pub 1015 # Prepare some askpass scripts to load PINs. 1016 PIN_SH=$SSH_SOFTHSM_DIR/pin.sh 1017 cat > $PIN_SH << EOF 1018#!/bin/sh 1019echo "${TEST_SSH_PIN}" 1020EOF 1021 chmod 0700 "$PIN_SH" 1022 WRONGPIN_SH=$SSH_SOFTHSM_DIR/wrongpin.sh 1023 cat > $WRONGPIN_SH << EOF 1024#!/bin/sh 1025echo "0000" 1026EOF 1027 chmod 0700 "$WRONGPIN_SH" 1028 PKCS11_OK=yes 1029 if env SSH_ASKPASS="$PIN_SH" SSH_ASKPASS_REQUIRE=force \ 1030 ${SSHKEYGEN} -D ${TEST_SSH_PKCS11} >/dev/null 2>&1 ; then 1031 return 0 1032 fi 1033 return 1 1034} 1035 1036# Peforms ssh-add with the right token PIN. 1037p11_ssh_add() { 1038 env SSH_ASKPASS="$PIN_SH" SSH_ASKPASS_REQUIRE=force ${SSHADD} "$@" 1039} 1040 1041start_ssh_agent() { 1042 EXTRA_AGENT_ARGS="$1" 1043 if [ "$PKCS11_OK" = "yes" ]; then 1044 EXTRA_AGENT_ARGS="${EXTRA_AGENT_ARGS} -P${TEST_SSH_PKCS11}" 1045 fi 1046 SSH_AUTH_SOCK="$OBJ/agent.sock" 1047 export SSH_AUTH_SOCK 1048 rm -f $SSH_AUTH_SOCK $OBJ/agent.log 1049 trace "start agent" 1050 ${SSHAGENT} ${EXTRA_AGENT_ARGS} -d -a $SSH_AUTH_SOCK \ 1051 > $OBJ/agent.log 2>&1 & 1052 AGENT_PID=$! 1053 trap "kill $AGENT_PID" EXIT 1054 for x in 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ; do 1055 # Give it a chance to start 1056 ${SSHADD} -l > /dev/null 2>&1 1057 r=$? 1058 test $r -eq 1 && break 1059 sleep 1 1060 done 1061 if [ $r -ne 1 ]; then 1062 fatal "ssh-add -l did not fail with exit code 1 (got $r)" 1063 fi 1064} 1065 1066# source test body 1067. $SCRIPT 1068 1069# kill sshd 1070cleanup 1071 1072if [ "x$USE_VALGRIND" != "x" ]; then 1073 # If there is an EXIT trap handler, invoke it now. 1074 # Some tests set these to clean up processes such as ssh-agent. We 1075 # need to wait for all valgrind processes to complete so we can check 1076 # their logs, but since the EXIT traps are not invoked until 1077 # test-exec.sh exits, waiting here will deadlock. 1078 # This is not very portable but then neither is valgrind itself. 1079 # As a bonus, dash (as used on the runners) has a "trap" that doesn't 1080 # work in a pipeline (hence the temp file) or a subshell. 1081 exithandler="" 1082 trap >/tmp/trap.$$ && exithandler=$(cat /tmp/trap.$$ | \ 1083 awk -F "'" '/EXIT$/{print $2}') 1084 rm -f /tmp/trap.$$ 1085 if [ "x${exithandler}" != "x" ]; then 1086 verbose invoking EXIT trap handler early: ${exithandler} 1087 eval "${exithandler}" 1088 trap '' EXIT 1089 fi 1090 1091 # wait for any running process to complete 1092 wait; sleep 1 1093 VG_RESULTS=$(find $OBJ/valgrind-out -type f -print) 1094 VG_RESULT_COUNT=0 1095 VG_FAIL_COUNT=0 1096 for i in $VG_RESULTS; do 1097 if grep "ERROR SUMMARY" $i >/dev/null; then 1098 VG_RESULT_COUNT=$(($VG_RESULT_COUNT + 1)) 1099 if ! grep "ERROR SUMMARY: 0 errors" $i >/dev/null; then 1100 VG_FAIL_COUNT=$(($VG_FAIL_COUNT + 1)) 1101 RESULT=1 1102 verbose valgrind failure $i 1103 cat $i 1104 fi 1105 fi 1106 done 1107 if [ x"$VG_SKIP" != "x" ]; then 1108 verbose valgrind skipped 1109 else 1110 verbose valgrind results $VG_RESULT_COUNT failures $VG_FAIL_COUNT 1111 fi 1112fi 1113 1114if [ $RESULT -eq 0 ]; then 1115 verbose ok $tid 1116 if [ "x$CACHE" != "x" ]; then 1117 touch "$CACHE" 1118 fi 1119else 1120 echo failed $tid 1121fi 1122exit $RESULT 1123