1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
|
# $OpenBSD: test-exec.sh,v 1.48 2014/07/06 07:42:03 djm Exp $
# Placed in the Public Domain.
#SUDO=sudo
# Unbreak GNU head(1)
_POSIX2_VERSION=199209
export _POSIX2_VERSION
case `uname -s 2>/dev/null` in
OSF1*)
BIN_SH=xpg4
export BIN_SH
;;
CYGWIN_NT-5.0)
os=cygwin
TEST_SSH_IPV6=no
;;
CYGWIN*)
os=cygwin
;;
esac
if [ ! -z "$TEST_SSH_PORT" ]; then
PORT="$TEST_SSH_PORT"
else
PORT=4242
fi
if [ -x /usr/ucb/whoami ]; then
USER=`/usr/ucb/whoami`
elif whoami >/dev/null 2>&1; then
USER=`whoami`
elif logname >/dev/null 2>&1; then
USER=`logname`
else
USER=`id -un`
fi
OBJ=$1
if [ "x$OBJ" = "x" ]; then
echo '$OBJ not defined'
exit 2
fi
if [ ! -d $OBJ ]; then
echo "not a directory: $OBJ"
exit 2
fi
SCRIPT=$2
if [ "x$SCRIPT" = "x" ]; then
echo '$SCRIPT not defined'
exit 2
fi
if [ ! -f $SCRIPT ]; then
echo "not a file: $SCRIPT"
exit 2
fi
if $TEST_SHELL -n $SCRIPT; then
true
else
echo "syntax error in $SCRIPT"
exit 2
fi
unset SSH_AUTH_SOCK
SRC=`dirname ${SCRIPT}`
# defaults
SSH=ssh
SSHD=sshd
SSHAGENT=ssh-agent
SSHADD=ssh-add
SSHKEYGEN=ssh-keygen
SSHKEYSCAN=ssh-keyscan
SFTP=sftp
SFTPSERVER=/usr/libexec/openssh/sftp-server
SCP=scp
# Interop testing
PLINK=plink
PUTTYGEN=puttygen
CONCH=conch
if [ "x$TEST_SSH_SSH" != "x" ]; then
SSH="${TEST_SSH_SSH}"
fi
if [ "x$TEST_SSH_SSHD" != "x" ]; then
SSHD="${TEST_SSH_SSHD}"
fi
if [ "x$TEST_SSH_SSHAGENT" != "x" ]; then
SSHAGENT="${TEST_SSH_SSHAGENT}"
fi
if [ "x$TEST_SSH_SSHADD" != "x" ]; then
SSHADD="${TEST_SSH_SSHADD}"
fi
if [ "x$TEST_SSH_SSHKEYGEN" != "x" ]; then
SSHKEYGEN="${TEST_SSH_SSHKEYGEN}"
fi
if [ "x$TEST_SSH_SSHKEYSCAN" != "x" ]; then
SSHKEYSCAN="${TEST_SSH_SSHKEYSCAN}"
fi
if [ "x$TEST_SSH_SFTP" != "x" ]; then
SFTP="${TEST_SSH_SFTP}"
fi
if [ "x$TEST_SSH_SFTPSERVER" != "x" ]; then
SFTPSERVER="${TEST_SSH_SFTPSERVER}"
fi
if [ "x$TEST_SSH_SCP" != "x" ]; then
SCP="${TEST_SSH_SCP}"
fi
if [ "x$TEST_SSH_PLINK" != "x" ]; then
# Find real binary, if it exists
case "${TEST_SSH_PLINK}" in
/*) PLINK="${TEST_SSH_PLINK}" ;;
*) PLINK=`which ${TEST_SSH_PLINK} 2>/dev/null` ;;
esac
fi
if [ "x$TEST_SSH_PUTTYGEN" != "x" ]; then
# Find real binary, if it exists
case "${TEST_SSH_PUTTYGEN}" in
/*) PUTTYGEN="${TEST_SSH_PUTTYGEN}" ;;
*) PUTTYGEN=`which ${TEST_SSH_PUTTYGEN} 2>/dev/null` ;;
esac
fi
if [ "x$TEST_SSH_CONCH" != "x" ]; then
# Find real binary, if it exists
case "${TEST_SSH_CONCH}" in
/*) CONCH="${TEST_SSH_CONCH}" ;;
*) CONCH=`which ${TEST_SSH_CONCH} 2>/dev/null` ;;
esac
fi
# Path to sshd must be absolute for rexec
case "$SSHD" in
/*) ;;
*) SSHD=`which $SSHD` ;;
esac
case "$SSHAGENT" in
/*) ;;
*) SSHAGENT=`which $SSHAGENT` ;;
esac
# Record the actual binaries used.
SSH_BIN=${SSH}
SSHD_BIN=${SSHD}
SSHAGENT_BIN=${SSHAGENT}
SSHADD_BIN=${SSHADD}
SSHKEYGEN_BIN=${SSHKEYGEN}
SSHKEYSCAN_BIN=${SSHKEYSCAN}
SFTP_BIN=${SFTP}
SFTPSERVER_BIN=${SFTPSERVER}
SCP_BIN=${SCP}
if [ "x$USE_VALGRIND" != "x" ]; then
mkdir -p $OBJ/valgrind-out
VG_TEST=`basename $SCRIPT .sh`
# Some tests are difficult to fix.
case "$VG_TEST" in
connect-privsep|reexec)
VG_SKIP=1 ;;
esac
if [ x"$VG_SKIP" = "x" ]; then
VG_IGNORE="/bin/*,/sbin/*,/usr/*,/var/*"
VG_LOG="$OBJ/valgrind-out/${VG_TEST}."
VG_OPTS="--track-origins=yes --leak-check=full"
VG_OPTS="$VG_OPTS --trace-children=yes"
VG_OPTS="$VG_OPTS --trace-children-skip=${VG_IGNORE}"
VG_PATH="valgrind"
if [ "x$VALGRIND_PATH" != "x" ]; then
VG_PATH="$VALGRIND_PATH"
fi
VG="$VG_PATH $VG_OPTS"
SSH="$VG --log-file=${VG_LOG}ssh.%p $SSH"
SSHD="$VG --log-file=${VG_LOG}sshd.%p $SSHD"
SSHAGENT="$VG --log-file=${VG_LOG}ssh-agent.%p $SSHAGENT"
SSHADD="$VG --log-file=${VG_LOG}ssh-add.%p $SSHADD"
SSHKEYGEN="$VG --log-file=${VG_LOG}ssh-keygen.%p $SSHKEYGEN"
SSHKEYSCAN="$VG --log-file=${VG_LOG}ssh-keyscan.%p $SSHKEYSCAN"
SFTP="$VG --log-file=${VG_LOG}sftp.%p ${SFTP}"
SCP="$VG --log-file=${VG_LOG}scp.%p $SCP"
cat > $OBJ/valgrind-sftp-server.sh << EOF
#!/bin/sh
exec $VG --log-file=${VG_LOG}sftp-server.%p $SFTPSERVER "\$@"
EOF
chmod a+rx $OBJ/valgrind-sftp-server.sh
SFTPSERVER="$OBJ/valgrind-sftp-server.sh"
fi
fi
# Logfiles.
# SSH_LOGFILE should be the debug output of ssh(1) only
# SSHD_LOGFILE should be the debug output of sshd(8) only
# REGRESS_LOGFILE is the output of the test itself stdout and stderr
if [ "x$TEST_SSH_LOGFILE" = "x" ]; then
TEST_SSH_LOGFILE=$OBJ/ssh.log
fi
if [ "x$TEST_SSHD_LOGFILE" = "x" ]; then
TEST_SSHD_LOGFILE=$OBJ/sshd.log
fi
if [ "x$TEST_REGRESS_LOGFILE" = "x" ]; then
TEST_REGRESS_LOGFILE=$OBJ/regress.log
fi
# truncate logfiles
>$TEST_SSH_LOGFILE
>$TEST_SSHD_LOGFILE
>$TEST_REGRESS_LOGFILE
# Create wrapper ssh with logging. We can't just specify "SSH=ssh -E..."
# because sftp and scp don't handle spaces in arguments.
SSHLOGWRAP=$OBJ/ssh-log-wrapper.sh
echo "#!/bin/sh" > $SSHLOGWRAP
echo "exec ${SSH} -E${TEST_SSH_LOGFILE} "'"$@"' >>$SSHLOGWRAP
chmod a+rx $OBJ/ssh-log-wrapper.sh
SSH="$SSHLOGWRAP"
# Some test data. We make a copy because some tests will overwrite it.
# The tests may assume that $DATA exists and is writable and $COPY does
# not exist. Tests requiring larger data files can call increase_datafile_size
# [kbytes] to ensure the file is at least that large.
DATANAME=data
DATA=$OBJ/${DATANAME}
cat ${SSHAGENT_BIN} >${DATA}
chmod u+w ${DATA}
COPY=$OBJ/copy
rm -f ${COPY}
increase_datafile_size()
{
while [ `du -k ${DATA} | cut -f1` -lt $1 ]; do
cat ${SSHAGENT_BIN} >>${DATA}
done
}
# these should be used in tests
export SSH SSHD SSHAGENT SSHADD SSHKEYGEN SSHKEYSCAN SFTP SFTPSERVER SCP
#echo $SSH $SSHD $SSHAGENT $SSHADD $SSHKEYGEN $SSHKEYSCAN $SFTP $SFTPSERVER $SCP
# Portable specific functions
have_prog()
{
saved_IFS="$IFS"
IFS=":"
for i in $PATH
do
if [ -x $i/$1 ]; then
IFS="$saved_IFS"
return 0
fi
done
IFS="$saved_IFS"
return 1
}
jot() {
awk "BEGIN { for (i = $2; i < $2 + $1; i++) { printf \"%d\n\", i } exit }"
}
# Check whether preprocessor symbols are defined in config.h.
config_defined ()
{
str=$1
while test "x$2" != "x" ; do
str="$str|$2"
shift
done
egrep "^#define.*($str)" ${BUILDDIR}/config.h >/dev/null 2>&1
}
md5 () {
if have_prog md5sum; then
md5sum
elif have_prog openssl; then
openssl md5
elif have_prog cksum; then
cksum
elif have_prog sum; then
sum
else
wc -c
fi
}
# End of portable specific functions
# helper
cleanup ()
{
if [ "x$SSH_PID" != "x" ]; then
if [ $SSH_PID -lt 2 ]; then
echo bad pid for ssh: $SSH_PID
else
kill $SSH_PID
fi
fi
if [ -f $PIDFILE ]; then
pid=`$SUDO cat $PIDFILE`
if [ "X$pid" = "X" ]; then
echo no sshd running
else
if [ $pid -lt 2 ]; then
echo bad pid for sshd: $pid
else
$SUDO kill $pid
trace "wait for sshd to exit"
i=0;
while [ -f $PIDFILE -a $i -lt 5 ]; do
i=`expr $i + 1`
sleep $i
done
test -f $PIDFILE && \
fatal "sshd didn't exit port $PORT pid $pid"
fi
fi
fi
}
start_debug_log ()
{
echo "trace: $@" >$TEST_REGRESS_LOGFILE
echo "trace: $@" >$TEST_SSH_LOGFILE
echo "trace: $@" >$TEST_SSHD_LOGFILE
}
save_debug_log ()
{
echo $@ >>$TEST_REGRESS_LOGFILE
echo $@ >>$TEST_SSH_LOGFILE
echo $@ >>$TEST_SSHD_LOGFILE
(cat $TEST_REGRESS_LOGFILE; echo) >>$OBJ/failed-regress.log
(cat $TEST_SSH_LOGFILE; echo) >>$OBJ/failed-ssh.log
(cat $TEST_SSHD_LOGFILE; echo) >>$OBJ/failed-sshd.log
}
trace ()
{
start_debug_log $@
if [ "X$TEST_SSH_TRACE" = "Xyes" ]; then
echo "$@"
fi
}
verbose ()
{
start_debug_log $@
if [ "X$TEST_SSH_QUIET" != "Xyes" ]; then
echo "$@"
fi
}
warn ()
{
echo "WARNING: $@" >>$TEST_SSH_LOGFILE
echo "WARNING: $@"
}
fail ()
{
save_debug_log "FAIL: $@"
RESULT=1
echo "$@"
}
fatal ()
{
save_debug_log "FATAL: $@"
printf "FATAL: "
fail "$@"
cleanup
exit $RESULT
}
RESULT=0
PIDFILE=$OBJ/pidfile
trap fatal 3 2
# create server config
cat << EOF > $OBJ/sshd_config
StrictModes no
Port $PORT
Protocol 2,1
AddressFamily inet
ListenAddress 127.0.0.1
#ListenAddress ::1
PidFile $PIDFILE
AuthorizedKeysFile $OBJ/authorized_keys_%u
LogLevel DEBUG3
AcceptEnv _XXX_TEST_*
AcceptEnv _XXX_TEST
Subsystem sftp $SFTPSERVER
EOF
if [ ! -z "$TEST_SSH_SSHD_CONFOPTS" ]; then
trace "adding sshd_config option $TEST_SSH_SSHD_CONFOPTS"
echo "$TEST_SSH_SSHD_CONFOPTS" >> $OBJ/sshd_config
fi
# server config for proxy connects
cp $OBJ/sshd_config $OBJ/sshd_proxy
# allow group-writable directories in proxy-mode
echo 'StrictModes no' >> $OBJ/sshd_proxy
# create client config
cat << EOF > $OBJ/ssh_config
Host *
Protocol 2,1
Hostname 127.0.0.1
HostKeyAlias localhost-with-alias
Port $PORT
User $USER
GlobalKnownHostsFile $OBJ/known_hosts
UserKnownHostsFile $OBJ/known_hosts
RSAAuthentication yes
PubkeyAuthentication yes
ChallengeResponseAuthentication no
HostbasedAuthentication no
PasswordAuthentication no
RhostsRSAAuthentication no
BatchMode yes
StrictHostKeyChecking yes
LogLevel DEBUG3
EOF
if [ ! -z "$TEST_SSH_SSH_CONFOPTS" ]; then
trace "adding ssh_config option $TEST_SSH_SSHD_CONFOPTS"
echo "$TEST_SSH_SSH_CONFOPTS" >> $OBJ/ssh_config
fi
rm -f $OBJ/known_hosts $OBJ/authorized_keys_$USER
trace "generate keys"
for t in rsa rsa1; do
# generate user key
if [ ! -f $OBJ/$t ] || [ ${SSHKEYGEN_BIN} -nt $OBJ/$t ]; then
rm -f $OBJ/$t
${SSHKEYGEN} -q -N '' -t $t -f $OBJ/$t ||\
fail "ssh-keygen for $t failed"
fi
# known hosts file for client
(
printf 'localhost-with-alias,127.0.0.1,::1 '
cat $OBJ/$t.pub
) >> $OBJ/known_hosts
# setup authorized keys
cat $OBJ/$t.pub >> $OBJ/authorized_keys_$USER
echo IdentityFile $OBJ/$t >> $OBJ/ssh_config
# use key as host key, too
$SUDO cp $OBJ/$t $OBJ/host.$t
echo HostKey $OBJ/host.$t >> $OBJ/sshd_config
# don't use SUDO for proxy connect
echo HostKey $OBJ/$t >> $OBJ/sshd_proxy
done
chmod 644 $OBJ/authorized_keys_$USER
# Activate Twisted Conch tests if the binary is present
REGRESS_INTEROP_CONCH=no
if test -x "$CONCH" ; then
REGRESS_INTEROP_CONCH=yes
fi
# If PuTTY is present and we are running a PuTTY test, prepare keys and
# configuration
REGRESS_INTEROP_PUTTY=no
if test -x "$PUTTYGEN" -a -x "$PLINK" ; then
REGRESS_INTEROP_PUTTY=yes
fi
case "$SCRIPT" in
*putty*) ;;
*) REGRESS_INTEROP_PUTTY=no ;;
esac
if test "$REGRESS_INTEROP_PUTTY" = "yes" ; then
mkdir -p ${OBJ}/.putty
# Add a PuTTY key to authorized_keys
rm -f ${OBJ}/putty.rsa2
puttygen -t rsa -o ${OBJ}/putty.rsa2 < /dev/null > /dev/null
puttygen -O public-openssh ${OBJ}/putty.rsa2 \
>> $OBJ/authorized_keys_$USER
# Convert rsa2 host key to PuTTY format
${SRC}/ssh2putty.sh 127.0.0.1 $PORT $OBJ/rsa > \
${OBJ}/.putty/sshhostkeys
${SRC}/ssh2putty.sh 127.0.0.1 22 $OBJ/rsa >> \
${OBJ}/.putty/sshhostkeys
# Setup proxied session
mkdir -p ${OBJ}/.putty/sessions
rm -f ${OBJ}/.putty/sessions/localhost_proxy
echo "Hostname=127.0.0.1" >> ${OBJ}/.putty/sessions/localhost_proxy
echo "PortNumber=$PORT" >> ${OBJ}/.putty/sessions/localhost_proxy
echo "ProxyMethod=5" >> ${OBJ}/.putty/sessions/localhost_proxy
echo "ProxyTelnetCommand=sh ${SRC}/sshd-log-wrapper.sh ${TEST_SSHD_LOGFILE} ${SSHD} -i -f $OBJ/sshd_proxy" >> ${OBJ}/.putty/sessions/localhost_proxy
REGRESS_INTEROP_PUTTY=yes
fi
# create a proxy version of the client config
(
cat $OBJ/ssh_config
echo proxycommand ${SUDO} sh ${SRC}/sshd-log-wrapper.sh ${TEST_SSHD_LOGFILE} ${SSHD} -i -f $OBJ/sshd_proxy
) > $OBJ/ssh_proxy
# check proxy config
${SSHD} -t -f $OBJ/sshd_proxy || fatal "sshd_proxy broken"
start_sshd ()
{
# start sshd
$SUDO ${SSHD} -f $OBJ/sshd_config "$@" -t || fatal "sshd_config broken"
$SUDO ${SSHD} -f $OBJ/sshd_config "$@" -E$TEST_SSHD_LOGFILE
trace "wait for sshd"
i=0;
while [ ! -f $PIDFILE -a $i -lt 10 ]; do
i=`expr $i + 1`
sleep $i
done
test -f $PIDFILE || fatal "no sshd running on port $PORT"
}
# source test body
. $SCRIPT
# kill sshd
cleanup
if [ $RESULT -eq 0 ]; then
verbose ok $tid
else
echo failed $tid
fi
exit $RESULT
|