| 1 | ### -*-autotest-*- |
| 2 | ### |
| 3 | ### Test script for the main server |
| 4 | ### |
| 5 | ### (c) 2008 Straylight/Edgeware |
| 6 | ### |
| 7 | |
| 8 | ###----- Licensing notice --------------------------------------------------- |
| 9 | ### |
| 10 | ### This file is part of Trivial IP Encryption (TrIPE). |
| 11 | ### |
| 12 | ### TrIPE is free software; you can redistribute it and/or modify |
| 13 | ### it under the terms of the GNU General Public License as published by |
| 14 | ### the Free Software Foundation; either version 2 of the License, or |
| 15 | ### (at your option) any later version. |
| 16 | ### |
| 17 | ### TrIPE is distributed in the hope that it will be useful, |
| 18 | ### but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | ### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 20 | ### GNU General Public License for more details. |
| 21 | ### |
| 22 | ### You should have received a copy of the GNU General Public License |
| 23 | ### along with TrIPE; if not, write to the Free Software Foundation, |
| 24 | ### Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 25 | |
| 26 | m4_define([nl], [ |
| 27 | ]) |
| 28 | |
| 29 | ## Configure a directory ready for use by tripe. |
| 30 | m4_define([SETUPDIR], [ |
| 31 | cp $abs_top_srcdir/t/keyring-$1 ./keyring |
| 32 | key extract -f-secret keyring.pub |
| 33 | ]) |
| 34 | |
| 35 | ## Running standard programs with useful options. |
| 36 | m4_define([TRIPE], |
| 37 | [env TRIPE_PRIVHELPER=$abs_top_builddir/priv/tripe-privhelper \ |
| 38 | $abs_top_builddir/server/tripe -F -d. -aadmin -p0 -b127.0.0.1 -talice]) |
| 39 | m4_define([TRIPECTL], [$abs_top_builddir/client/tripectl -d. -aadmin]) |
| 40 | m4_define([USLIP], [$abs_top_builddir/uslip/tripe-uslip]) |
| 41 | |
| 42 | ## Sequences. (These are used for testing the replay protection machinery.) |
| 43 | m4_define([R32], [ 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 dnl |
| 44 | 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31]) |
| 45 | m4_define([P32], [21 26 14 12 25 18 2 27 10 31 24 29 0 20 17 11 dnl |
| 46 | 8 3 7 23 19 1 13 30 6 9 5 22 15 28 16 4]) |
| 47 | |
| 48 | ###-------------------------------------------------------------------------- |
| 49 | ### Scaffolding for running a TrIPE server. |
| 50 | |
| 51 | ## WITH_TRIPEX(dir, args, body) |
| 52 | m4_define([WITH_TRIPEX], [ |
| 53 | |
| 54 | ## If this directory doesn't exist then Bad Things will happen. |
| 55 | if test ! -d $1; then |
| 56 | echo >&2 "server directory \`$1' doesn't exist" |
| 57 | exit 99 |
| 58 | fi |
| 59 | |
| 60 | ## Remove the status file. This is how we notice that the server's died. |
| 61 | rm -f $1/server-status |
| 62 | > $1/expected-server-output |
| 63 | > $1/expected-server-errors |
| 64 | |
| 65 | ## Autotest writes crap to standard output, which we don't want going to the |
| 66 | ## server. So keep a copy of the standard output, do the pipe, and recover |
| 67 | ## the old stdout inside the group. |
| 68 | exec 3>&1 |
| 69 | { ( |
| 70 | exec 1>&3 3>&- |
| 71 | |
| 72 | ## Wait for the socket to appear. Watch for the server crashing during |
| 73 | ## initialization. Busy waiting is evil, but it's the best I can do and |
| 74 | ## not sleep for ages. (Yes, a second on each test group is a long time.) |
| 75 | while test ! -r $1/server-status && test ! -S $1/admin; do :; done |
| 76 | |
| 77 | ## Make the port number availale. |
| 78 | AT_CHECK([TRIPECTL -d$1 PORT],, [stdout]) |
| 79 | mv stdout $1/port |
| 80 | |
| 81 | ## Test body... |
| 82 | $3 |
| 83 | |
| 84 | ## End of the test, now run the server. There's an awful hack here. If a |
| 85 | ## process running under strace exits with a signal, then strace will kill |
| 86 | ## itself with the same signal -- and therefore clobber the original |
| 87 | ## process's core file. So we arrange to run strace in one directory and |
| 88 | ## have the child process run in another. |
| 89 | ) && :; } | { |
| 90 | cd $1 |
| 91 | mkdir -p strace-hack/ |
| 92 | echo TRIPE $2 >&2 |
| 93 | (cd strace-hack/ |
| 94 | ulimit -c hard >/dev/null 2>&1 |
| 95 | strace -f -o ../tripe.trace \ |
| 96 | TRIPE -d.. $2 >../server-output.full 2>../server-errors) |
| 97 | stat=$? |
| 98 | echo $stat >server-status |
| 99 | if test $stat -ne 0; then |
| 100 | echo "exit status: $stat" >>server-errors |
| 101 | fi |
| 102 | |
| 103 | ## We interrupt this relatively sensible macro for an especially awful |
| 104 | ## hack. The tripe server emits warnings which are often caused by lack of |
| 105 | ## synchronization between two peers. These are harmless and shouldn't |
| 106 | ## cause test failures. But we shouldn't just trim out all messages that |
| 107 | ## look like the spurious ones: if they appear when we're not expecting |
| 108 | ## them, that's bad and they should properly cause a test failure. |
| 109 | ## |
| 110 | ## So we use the WARN command to insert magic directives into the server's |
| 111 | ## message stream. The directives begin with `WARN USER test'; remaining |
| 112 | ## tokens may be as follows. |
| 113 | ## |
| 114 | ## PUSH Introduce a new layer of nesting. Settings between |
| 115 | ## this PUSH and the matching POP will be forgotten |
| 116 | ## following the POP. |
| 117 | ## |
| 118 | ## POP End a layer of nesting. See PUSH above. |
| 119 | ## |
| 120 | ## IGNORE tokens Ignore lines which begin with the tokens. |
| 121 | ## |
| 122 | ## Token comparison isn't done very well, but it's good enough for these |
| 123 | ## purposes. |
| 124 | ## |
| 125 | ## We also trim out trace lines here, since it's useful to produce them for |
| 126 | ## debugging purposes and changing or introducing more of them shouldn't |
| 127 | ## cause failures. |
| 128 | awk ' |
| 129 | BEGIN { |
| 130 | sp = 0; |
| 131 | npat = 0; |
| 132 | } |
| 133 | $[]1 == "TRACE" { next; } |
| 134 | $[]1 == "WARN" && $[]2 == "USER" && $[]3 == "test" { |
| 135 | if ($[]4 == "PUSH") |
| 136 | npatstk[[sp++]] = npat; |
| 137 | else if ($[]4 == "IGNORE") { |
| 138 | s = ""; |
| 139 | p = ""; |
| 140 | for (i = 5; i <= NF; i++) { |
| 141 | p = p s $[]i; |
| 142 | s = " "; |
| 143 | } |
| 144 | pat[[npat++]] = p; |
| 145 | } else if ($[]4 == "POP") |
| 146 | npat = npatstk[[--sp]]; |
| 147 | next; |
| 148 | } |
| 149 | { |
| 150 | for (i = 0; i < npat; i++) { |
| 151 | n = length(pat[[i]]); |
| 152 | if (substr($[]0, 0, n) == pat[[i]]) |
| 153 | next; |
| 154 | } |
| 155 | print $[]0; |
| 156 | } |
| 157 | ' server-output.full >server-output |
| 158 | } |
| 159 | exec 3>&- |
| 160 | |
| 161 | ## Now check that the server's output matches our expectations. |
| 162 | mv $1/expected-server-output expout |
| 163 | mv $1/expected-server-errors experr |
| 164 | AT_CHECK([cat $1/server-output; cat >&2 $1/server-errors],, |
| 165 | [expout], [experr]) |
| 166 | ]) |
| 167 | |
| 168 | ## WITH_TRIPE(args, body) |
| 169 | m4_define([WITH_TRIPE], [WITH_TRIPEX([.], [$1], [$2])]) |
| 170 | |
| 171 | ## WITH_2TRIPES(adir, bdir, bothargs, aargs, bargs, body) |
| 172 | m4_define([WITH_2TRIPES], |
| 173 | [WITH_TRIPEX([$1], [$3 $4], [WITH_TRIPEX([$2], [$3 $5], [$6])])]) |
| 174 | |
| 175 | ## COMMS_EPING(adir, aname, bdir, bname) |
| 176 | m4_define([COMMS_EPING], [ |
| 177 | AT_CHECK([TRIPECTL -d$1 EPING $4],, [ignore]) |
| 178 | AT_CHECK([TRIPECTL -d$3 EPING $2],, [ignore]) |
| 179 | ]) |
| 180 | |
| 181 | ## COMMS_SLIP(adir, aname, bdir, bname) |
| 182 | m4_define([COMMS_SLIP], [ |
| 183 | AT_CHECK([echo "from $1" | USLIP -p $1/$4]) |
| 184 | AT_CHECK([USLIP -g $3/$2],, [from $1[]nl]) |
| 185 | AT_CHECK([echo "from $3" | USLIP -p $3/$2]) |
| 186 | AT_CHECK([USLIP -g $1/$4],, [from $3[]nl]) |
| 187 | ]) |
| 188 | |
| 189 | ## AWAIT_KXDONE(adir, aname, bdir, bname, body) |
| 190 | m4_define([AWAIT_KXDONE], [ |
| 191 | |
| 192 | ## Ignore some reports caused by races. |
| 193 | TRIPECTL -d$3 WARN test PUSH |
| 194 | TRIPECTL -d$3 WARN test IGNORE WARN KX $2 incorrect cookie |
| 195 | TRIPECTL -d$3 WARN test IGNORE WARN KX $2 unexpected pre-challenge |
| 196 | |
| 197 | ## Watch for the key-exchange completion announcement in the background. |
| 198 | COPROCESSES([wait-$1], [ |
| 199 | echo WATCH +n |
| 200 | while read line; do |
| 201 | set x $line; shift |
| 202 | echo >&2 ">>> $line" |
| 203 | case "$[]1:$[]2:$[]3" in |
| 204 | OK::) ;; |
| 205 | NOTE:KXDONE:$4) break ;; |
| 206 | NOTE:*) ;; |
| 207 | *) exit 63 ;; |
| 208 | esac |
| 209 | done |
| 210 | ], [ |
| 211 | TRIPECTL -d$1 |
| 212 | ]) & waiter_$1=$! |
| 213 | |
| 214 | $5 |
| 215 | |
| 216 | ## Collect the completion announcement. |
| 217 | wait $waiter_$1; waitrc=$? |
| 218 | AT_CHECK([echo $waitrc],, [0[]nl]) |
| 219 | |
| 220 | ## Be interested in key-exchange warnings again. |
| 221 | TRIPECTL -d$4 WARN test POP |
| 222 | ]) |
| 223 | |
| 224 | ## ESTABLISH(adir, aname, aopts, bdir, bname, bopts) |
| 225 | m4_define([ESTABLISH], [ |
| 226 | |
| 227 | ## Set up the establishment. |
| 228 | AWAIT_KXDONE([$1], [$2], [$4], [$5], [ |
| 229 | AT_CHECK([TRIPECTL -d$1 ADD -cork $6 $5 INET 127.0.0.1 $(cat $4/port)]) |
| 230 | AT_CHECK([TRIPECTL -d$4 ADD $3 $2 INET 127.0.0.1 $(cat $1/port)]) |
| 231 | ]) |
| 232 | |
| 233 | ## Check transport pinging. |
| 234 | AT_CHECK([TRIPECTL -d$1 PING $5],, [ignore]) |
| 235 | AT_CHECK([TRIPECTL -d$4 PING $2],, [ignore]) |
| 236 | |
| 237 | ## Check communication works. |
| 238 | COMMS_EPING([$1], [$2], [$4], [$5]) |
| 239 | COMMS_SLIP([$1], [$2], [$4], [$5]) |
| 240 | ]) |
| 241 | |
| 242 | ###-------------------------------------------------------------------------- |
| 243 | ### Very unpleasant coprocess handling. |
| 244 | |
| 245 | ## COPROCESSES(TAG, PROC-A, PROC-B) |
| 246 | m4_define([COPROCESSES], [dnl |
| 247 | rm -f pipe-$1; mknod pipe-$1 p |
| 248 | { { $2 nl } <pipe-$1 | { $3 nl } >pipe-$1; } dnl |
| 249 | ]) |
| 250 | |
| 251 | ## TRIPECTL_INTERACT(ARGS, SHELLSTUFF) |
| 252 | m4_define([TRIPECTL_INTERACT], [ |
| 253 | exec 3>&1 |
| 254 | COPROCESSES([client], [exec 4>&1 1>&3 $1], [TRIPECTL $2]) |
| 255 | ]) |
| 256 | |
| 257 | ## TRIPECTL_COMMAND(CMD, EXPECT) |
| 258 | m4_define([TRIPECTL_COMMAND], [ |
| 259 | AT_CHECK([ |
| 260 | m4_if([$1], [!], [:], [echo "$1" >&4]) |
| 261 | read line |
| 262 | case "$line" in |
| 263 | "$2") ;; |
| 264 | *) echo 2>&1 "submitted $1: expected $2, found $line"; exit 1 ;; |
| 265 | esac |
| 266 | ]) |
| 267 | exec 3>&- |
| 268 | ]) |
| 269 | |
| 270 | ###-------------------------------------------------------------------------- |
| 271 | ### Make sure the thing basically works. |
| 272 | |
| 273 | AT_SETUP([server basics]) |
| 274 | SETUPDIR([alpha]) |
| 275 | AT_CHECK([echo port | TRIPE -p54321],, [INFO 54321[]nl[]OK[]nl]) |
| 276 | AT_CLEANUP |
| 277 | |
| 278 | ###-------------------------------------------------------------------------- |
| 279 | ### Challenges. |
| 280 | |
| 281 | AT_SETUP([server challenges]) |
| 282 | AT_KEYWORDS([chal]) |
| 283 | SETUPDIR([alpha]) |
| 284 | |
| 285 | WITH_TRIPE(, [ |
| 286 | ## A simple test. |
| 287 | AT_CHECK([chal=$(TRIPECTL GETCHAL); TRIPECTL checkchal $chal]) |
| 288 | |
| 289 | ## A wrong challenge. (This was valid once, but the probablity that the |
| 290 | ## server chose the same key is negligible.) |
| 291 | AT_CHECK([TRIPECTL checkchal AAAAAHyoOL+HMaE0Y9B3ivuszt0], [1],, |
| 292 | [tripectl: invalid-challenge[]nl]) |
| 293 | echo WARN CHAL incorrect-tag >>expected-server-output |
| 294 | |
| 295 | ## A duplicated challenge. |
| 296 | AT_CHECK([ |
| 297 | chal=$(TRIPECTL GETCHAL) |
| 298 | TRIPECTL CHECKCHAL $chal |
| 299 | TRIPECTL CHECKCHAL $chal |
| 300 | ], [1],, [tripectl: invalid-challenge[]nl]) |
| 301 | echo WARN CHAL replay duplicated-sequence >>expected-server-output |
| 302 | |
| 303 | ## Out-of-order reception. There should be a window of 32 challenges; we |
| 304 | ## make 33 and check them in a strange order. |
| 305 | rm -f experr |
| 306 | echo "tripectl: invalid-challenge" >>experr |
| 307 | echo "WARN CHAL replay old-sequence" >>expected-server-output |
| 308 | for i in P32; do |
| 309 | echo "tripectl: invalid-challenge" >>experr |
| 310 | echo "WARN CHAL replay duplicated-sequence" >>expected-server-output |
| 311 | done |
| 312 | AT_CHECK([ |
| 313 | |
| 314 | ## Make the challenges. |
| 315 | for i in old R32; do TRIPECTL GETCHAL >chal-$i || exit 2; done |
| 316 | |
| 317 | ## Now check them back. |
| 318 | for i in P32; do TRIPECTL CHECKCHAL $(cat chal-$i) || exit 3; done |
| 319 | |
| 320 | ## Check the one which should have fallen off the front. |
| 321 | TRIPECTL CHECKCHAL $(cat chal-old) && exit 4 |
| 322 | |
| 323 | ## And make sure that the others are now considered duplicates. |
| 324 | for i in R32; do TRIPECTL CHECKCHAL $(cat chal-$i) && exit 5; done |
| 325 | |
| 326 | ## All done: tidy cruft away. |
| 327 | rm -f chal-* |
| 328 | exit 0 |
| 329 | ], [0],, [experr]) |
| 330 | ]) |
| 331 | |
| 332 | AT_CLEANUP |
| 333 | |
| 334 | ###-------------------------------------------------------------------------- |
| 335 | ### Communication. |
| 336 | |
| 337 | AT_SETUP([server communication]) |
| 338 | AT_KEYWORDS([comm]) |
| 339 | export TRIPE_SLIPIF=USLIP |
| 340 | |
| 341 | for p in alice bob; do (mkdir $p; cd $p; SETUPDIR([alpha])); done |
| 342 | |
| 343 | WITH_2TRIPES([alice], [bob], [-nslip], [-talice], [-tbob], [ |
| 344 | ESTABLISH([alice], [not-alice], [-key alice], |
| 345 | [bob], [bob], []) |
| 346 | ]) |
| 347 | |
| 348 | AT_CLEANUP |
| 349 | |
| 350 | ###-------------------------------------------------------------------------- |
| 351 | ### Services. |
| 352 | |
| 353 | AT_SETUP([server services]) |
| 354 | AT_KEYWORDS([svc]) |
| 355 | SETUPDIR([alpha]) |
| 356 | |
| 357 | WITH_TRIPE(, [ |
| 358 | |
| 359 | ## Make sure it's not running yet. |
| 360 | AT_CHECK([TRIPECTL SVCENSURE test], [1],, |
| 361 | [tripectl: unknown-service test[]nl]) |
| 362 | |
| 363 | ## Run a simple service. |
| 364 | rm -f svc-test-running tripectl-status |
| 365 | COPROCESSES([svc], [ |
| 366 | echo SVCCLAIM test 1.0.0 |
| 367 | read line |
| 368 | case "$line" in |
| 369 | OK) |
| 370 | ;; |
| 371 | *) |
| 372 | echo >&2 "SVCCLAIM failed: $line" |
| 373 | exit 1 |
| 374 | ;; |
| 375 | esac |
| 376 | echo ok >svc-test-running |
| 377 | while read line; do |
| 378 | set -- $line |
| 379 | case "$[]1,$[]3,$[]4" in |
| 380 | SVCJOB,test,HELP) |
| 381 | echo SVCINFO try not to use this service for anything useful |
| 382 | echo SVCOK $[]2 |
| 383 | ;; |
| 384 | SVCJOB,test,GOOD) |
| 385 | echo SVCOK $[]2 |
| 386 | ;; |
| 387 | SVCJOB,test,BAD) |
| 388 | echo SVCFAIL $[]2 this-command-always-fails |
| 389 | ;; |
| 390 | SVCJOB,test,UGLY) |
| 391 | tag=$2 |
| 392 | while read line; do |
| 393 | set -- $line |
| 394 | case "$[]1,$[]2,$[]3,$[]4" in |
| 395 | SVCCANCEL,$tag,,) break ;; |
| 396 | SVCJOB,*,test,ESCAPE) |
| 397 | echo >&2 "attempt to escape from alkatraz" |
| 398 | exit 1 |
| 399 | ;; |
| 400 | esac |
| 401 | done |
| 402 | ;; |
| 403 | SVCJOB,test,FIRST) |
| 404 | firsttag=$[]2 |
| 405 | ;; |
| 406 | SVCJOB,test,SECOND) |
| 407 | echo SVCOK $firsttag |
| 408 | echo SVCOK $[]2 |
| 409 | ;; |
| 410 | SVCJOB,*) |
| 411 | echo SVCFAIL $[]2 unknown-svc-command $[]4 |
| 412 | ;; |
| 413 | SVCCLAIM,*) |
| 414 | break |
| 415 | ;; |
| 416 | OK,* | INFO,*) |
| 417 | ;; |
| 418 | FAIL,*) |
| 419 | echo "failure in service: $line" >&2 |
| 420 | ;; |
| 421 | esac |
| 422 | done |
| 423 | ], [ |
| 424 | TRIPECTL; echo $? >tripectl-status |
| 425 | ]) 2>tripectl-errors & |
| 426 | |
| 427 | ## Wait until it starts up. |
| 428 | while test ! -r svc-test-running && test ! -r tripectl-status; do :; done |
| 429 | |
| 430 | ## Make sure it's running. |
| 431 | AT_CHECK([TRIPECTL SVCQUERY test],, [name=test version=1.0.0[]nl]) |
| 432 | |
| 433 | ## Try some simple commands. |
| 434 | AT_CHECK([TRIPECTL SVCSUBMIT test GOOD]) |
| 435 | AT_CHECK([TRIPECTL SVCSUBMIT test BAD], [1],, |
| 436 | [tripectl: this-command-always-fails[]nl]) |
| 437 | |
| 438 | ## And now with commands in the background. |
| 439 | TRIPECTL_INTERACT([ |
| 440 | TRIPECTL_COMMAND([SVCSUBMIT test GOOD], [OK]) |
| 441 | TRIPECTL_COMMAND([SVCSUBMIT -background foo test UGLY], [BGDETACH foo]) |
| 442 | TRIPECTL_COMMAND([BGCANCEL foo], [OK]) |
| 443 | TRIPECTL_COMMAND([SVCSUBMIT test ESCAPE], |
| 444 | [FAIL unknown-svc-command ESCAPE]) |
| 445 | ]) |
| 446 | |
| 447 | ## Out-of-order completion. |
| 448 | TRIPECTL_INTERACT([ |
| 449 | TRIPECTL_COMMAND([SVCSUBMIT -background one test FIRST], [BGDETACH one]) |
| 450 | TRIPECTL_COMMAND([SVCSUBMIT -background two test SECOND], [BGDETACH two]) |
| 451 | TRIPECTL_COMMAND([!], [BGOK one]) |
| 452 | TRIPECTL_COMMAND([!], [BGOK two]) |
| 453 | ]) |
| 454 | |
| 455 | ## All done. |
| 456 | exit 0 |
| 457 | ]) |
| 458 | |
| 459 | AT_CLEANUP |
| 460 | |
| 461 | ###----- That's all, folks -------------------------------------------------- |