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1 #!/bin/sh
2
3 #
4 # Copyright © 2015, 2016 Apple Inc.
5 #
6 # get-network-info
7 #
8 # Collect network information.
9 #
10
11 PATH=/bin:/usr/bin:/sbin:/usr/sbin
12
13 # __SETUP_ROUTINES_BEGIN__
14
15 process_opts () {
16
17 for i in $ARGS
18 do
19 case "$i" in
20 -c)
21 COLLECT_CONFIGURATION_FILES="Y"
22 shift
23 ;;
24 -n)
25 COLLECT_NDF_INFO="Y"
26 shift
27 ;;
28 -P)
29 COLLECT_PCAP="N"
30 shift
31 ;;
32 -s)
33 COLLECT_SENSITIVE_INFO="Y"
34 shift
35 ;;
36 --)
37 shift
38 ;;
39 *)
40 REQUESTED_OUTDIR="${i}"
41 shift
42 ;;
43 esac
44 done
45
46 }
47
48 set_root () {
49
50 PRIV=""
51 if [ ${EUID} -ne 0 ]; then
52 PRIV="sudo"
53 fi
54
55 }
56
57 #
58 # Setup
59 #
60 setup () {
61
62 set_root
63 umask 077
64 cd "${REQUESTED_OUTDIR}"
65
66 }
67
68 # __SETUP_ROUTINES_END__
69
70
71 # __COMMAND_ROUTINES_BEGIN__
72
73 # note: the daemons dump to syslog so you need to wait a bit before
74 # capturing the logs.
75 collect_state_dump_sensitive () {
76
77 ${PRIV} /usr/bin/killall -INFO mDNSResponder 2>/dev/null
78
79 sleep 1 &
80
81 }
82
83 #
84 # network interface configuration
85 #
86 run_ifconfig () {
87
88 if [ ! -x /sbin/ifconfig ]; then
89 return
90 fi
91
92 /sbin/ifconfig -a -L -b -m -r -v -v > ifconfig.txt 2>&1
93 if [ $? -ne 0 ]; then
94 /sbin/ifconfig -a > ifconfig.txt 2>&1
95 fi
96
97 }
98
99 #
100 # network route configuration and statistics
101 #
102 run_netstat () {
103
104 if [ ! -x /usr/sbin/netstat ]; then
105 return
106 fi
107
108 echo "#" > netstat.txt
109 echo "# netstat -n -r -a -l" >> netstat.txt
110 echo "#" >> netstat.txt
111 /usr/sbin/netstat -n -r -a -l >> netstat.txt 2>&1
112
113 echo "#" >> netstat.txt
114 echo "# netstat -A -a -l -n -v" >> netstat.txt
115 echo "#" >> netstat.txt
116 /usr/sbin/netstat -A -a -l -n -v >> netstat.txt 2>&1
117
118 echo "#" >> netstat.txt
119 echo "# netstat -s" >> netstat.txt
120 echo "#" >> netstat.txt
121 /usr/sbin/netstat -s >> netstat.txt 2>&1
122
123 echo "#" >> netstat.txt
124 echo "# netstat -rs" >> netstat.txt
125 echo "#" >> netstat.txt
126 /usr/sbin/netstat -rs >> netstat.txt 2>&1
127
128 echo "#" >> netstat.txt
129 echo "# netstat -mmm" >> netstat.txt
130 echo "#" >> netstat.txt
131 /usr/sbin/netstat -mmm >> netstat.txt 2>&1
132
133 echo "#" >> netstat.txt
134 echo "# netstat -i -n -d" >> netstat.txt
135 echo "#" >> netstat.txt
136 /usr/sbin/netstat -i -n -d >> netstat.txt 2>&1
137
138 echo "#" >> netstat.txt
139 echo "# netstat -i -x R" >> netstat.txt
140 echo "#" >> netstat.txt
141 /usr/sbin/netstat -i -x R >> netstat.txt 2>&1
142
143 echo "#" >> netstat.txt
144 echo "# netstat -a -n -p mptcp" >> netstat.txt
145 echo "#" >> netstat.txt
146 /usr/sbin/netstat -anp mptcp >> netstat.txt 2>&1
147
148 echo "#" >> netstat.txt
149 echo "# netstat -s -p mptcp" >> netstat.txt
150 echo "#" >> netstat.txt
151 /usr/sbin/netstat -s -p mptcp >> netstat.txt 2>&1
152
153 echo "#" >> netstat.txt
154 echo "# netstat -g -n -s" >> netstat.txt
155 echo "#" >> netstat.txt
156 /usr/sbin/netstat -g -n -s >> netstat.txt 2>&1
157
158 if [ -x /sbin/ifconfig ]; then
159 for if in ${IF_LIST}
160 do
161 IF_INFO=`/sbin/ifconfig -v ${if}`
162 `echo $IF_INFO | grep -q TXSTART`
163 if [ $? -eq 0 ]; then
164 echo "#" >> netstat.txt
165 echo "# netstat -qq -I ${if}" >> netstat.txt
166 echo "#" >> netstat.txt
167 /usr/sbin/netstat -qq -I ${if} >> netstat.txt 2>&1
168 fi
169 `echo $IF_INFO | grep -q RXPOLL`
170 if [ $? -eq 0 ]; then
171 echo "#" >> netstat.txt
172 echo "# netstat -Q -I ${if}" >> netstat.txt
173 echo "#" >> netstat.txt
174 /usr/sbin/netstat -Q -I ${if} >> netstat.txt 2>&1
175 fi
176 done
177 fi
178
179 }
180
181 #
182 # ndp
183 #
184 run_ndp () {
185
186 if [ ! -x /usr/sbin/ndp ]; then
187 return
188 fi
189
190 echo "#" > ndp-info.txt
191 echo "# ndp -n -a" >> ndp-info.txt
192 echo "#" >> ndp-info.txt
193 /usr/sbin/ndp -n -a >> ndp-info.txt 2>&1
194
195 echo "#" >> ndp-info.txt
196 echo "# ndp -n -p" >> ndp-info.txt
197 echo "#" >> ndp-info.txt
198 /usr/sbin/ndp -n -p >> ndp-info.txt 2>&1
199
200 echo "#" >> ndp-info.txt
201 echo "# ndp -n -r" >> ndp-info.txt
202 echo "#" >> ndp-info.txt
203 /usr/sbin/ndp -n -r >> ndp-info.txt 2>&1
204
205 if [ -x /sbin/ifconfig ]; then
206 for if in ${IF_LIST}
207 do
208 echo "#" >> ndp-info.txt
209 echo "# ndp -i ${if}" >> ndp-info.txt
210 echo "#" >> ndp-info.txt
211 /usr/sbin/ndp -i ${if} >> ndp-info.txt 2>&1
212 done
213 fi
214
215 }
216
217 #
218 # arp
219 #
220 run_arp () {
221
222 if [ ! -x /usr/sbin/arp ]; then
223 return
224 fi
225
226 echo "#" > arp-info.txt
227 echo "# arp -n -a" >> arp-info.txt
228 echo "#" >> arp-info.txt
229 /usr/sbin/arp -n -a >> arp-info.txt 2>&1
230
231 }
232
233 #
234 # DHCP configuration
235 #
236 run_ipconfig () {
237
238 if [ ! -x /usr/sbin/ipconfig ]; then
239 return
240 fi
241
242 for if in ${IF_LIST}
243 do
244 case ${if} in
245 lo* )
246 ;;
247 *)
248 echo "#" >> ipconfig-info.txt
249 echo "# INTERFACE ${if}" >> ipconfig-info.txt
250 echo "#" >> ipconfig-info.txt
251
252 echo "DHCPv4 information:" >> ipconfig-info.txt
253
254 IPCONFIG_INFO=`/usr/sbin/ipconfig getpacket ${if}`
255 if [ "${IPCONFIG_INFO}" != "" ]; then
256 echo "${IPCONFIG_INFO}" >> ipconfig-info.txt
257 else
258 echo "not available" >> ipconfig-info.txt
259 fi
260
261 echo"" >> ipconfig-info.txt
262
263 echo "DHCPv6 information:" >> ipconfig-info.txt
264
265 IPCONFIG_INFO=`/usr/sbin/ipconfig getv6packet ${if}`
266 if [ "${IPCONFIG_INFO}" != "" ]; then
267 echo "${IPCONFIG_INFO}" >> ipconfig-info.txt
268 else
269 echo "not available" >> ipconfig-info.txt
270 fi
271
272 echo"" >> ipconfig-info.txt
273 ;;
274 esac
275 done
276
277 }
278
279 #
280 # IPsec configuration
281 #
282 run_setkey () {
283
284 if [ ! -x /usr/sbin/setkey -o ! -x /usr/bin/perl ]; then
285 return
286 fi
287
288 echo "#" > ipsec.txt
289 echo "# setkey -D" >> ipsec.txt
290 echo "#" >> ipsec.txt
291 ${PRIV} /usr/sbin/setkey -D \
292 | /usr/bin/perl -l -n -e '
293 if (/^(\s+[AE]:\s+\S+\s+)"?(.*)"?\s*$/) {
294 printf "%s[redacted]%s\n", $1, $3;
295 } else {
296 printf "%s\n", $_;
297 }
298 ' >> ipsec.txt
299
300 echo "" >> ipsec.txt
301 echo "#" >> ipsec.txt
302 echo "# setkey -Pp -D" >> ipsec.txt
303 echo "#" >> ipsec.txt
304 ${PRIV} /usr/sbin/setkey -Pp -D >> ipsec.txt
305
306 for CF in /var/run/racoon/*.conf
307 do
308 if [ ! -r "${CF}" ]; then
309 continue
310 fi
311
312 echo "" >> ipsec.txt
313 echo "#" >> ipsec.txt
314 echo "# ${CF}" >> ipsec.txt
315 echo "#" >> ipsec.txt
316 ${PRIV} cat ${CF} \
317 | /usr/bin/perl -l -n -e '
318 if (/^(\s+shared_secret\s+use\s+)"?([^\s;"]+)"?(.*)/) {
319 printf "%s[redacted]%s\n", $1, $3;
320 } else {
321 printf "%s\n", $_;
322 }
323 ' >> ipsec.txt
324 done
325
326 }
327
328 #
329 # Network preferences
330 #
331 collect_configuration_files () {
332
333 for f in \
334 /Library/Preferences/com.apple.networkextension.plist \
335 /Library/Preferences/com.apple.networkextension.control.plist \
336 /Library/Preferences/com.apple.networkextension.necp.plist \
337 /Library/Preferences/SystemConfiguration/com.apple.nat.plist \
338 /Library/Preferences/SystemConfiguration/com.apple.RemoteAccessServers.plist \
339 /Library/Preferences/SystemConfiguration/com.apple.smb.server.plist \
340 /Library/Preferences/com.apple.mDNSResponder.plist \
341 /Library/Preferences/SystemConfiguration/NetworkInterfaces.plist \
342 /Library/Preferences/SystemConfiguration/preferences.plist \
343
344 do
345 if [ -e "${f}" ]; then
346 b="`basename ${f}`"
347 cat "${f}" > "${b}" 2>&1
348 fi
349 done
350
351 if [ -e /etc/resolv.conf ]; then
352 cat /etc/resolv.conf > etc-resolv-conf.txt 2>&1
353 fi
354 if [ -e /var/run/resolv.conf ]; then
355 cat /var/run/resolv.conf > var-run-resolv-conf.txt 2>&1
356 fi
357 if [ -e /etc/resolver ]; then
358 tar -c -H /etc/resolver > etc-resolver.tar 2>/dev/null
359 fi
360 }
361
362 #
363 # VPN
364 #
365 collect_vpn_logs () {
366
367 for f in \
368 /var/log/vpnd.log \
369 /var/log/racoon.log \
370
371 do
372 if [ -e "${f}" ]; then
373 b="`basename ${f}`"
374 ${PRIV} cat "${f}" > "${b}".txt 2>&1
375 fi
376 done
377 }
378
379 #
380 # Policy
381 #
382 run_neutil () {
383
384 if [ ! -x /usr/local/bin/neutil ]; then
385 return
386 fi
387
388 echo "#" > necp.txt
389 echo "# neutil policy dump" >> necp.txt
390 echo "#" >> necp.txt
391 /usr/local/bin/neutil policy dump >> necp.txt 2>&1
392
393 echo "#" > network-agents.txt
394 echo "# neutil agent dump" >> network-agents.txt
395 echo "#" >> network-agents.txt
396 /usr/local/bin/neutil agent dump >> network-agents.txt 2>&1
397
398 }
399
400 #
401 # Path
402 #
403 run_network_test () {
404
405 if [ ! -x /usr/local/bin/network_test ]; then
406 return
407 fi
408
409 /usr/local/bin/network_test path_watcher > nw_path.txt 2>&1
410
411 }
412
413 #
414 # Network, DNS, Proxy, Reachability, Cache information
415 #
416 run_scutil () {
417
418 if [ ! -x /usr/sbin/scutil ]; then
419 return
420 fi
421
422 echo "#" > network-information.txt
423 echo "# scutil -d -v --nwi" >> network-information.txt
424 echo "#" >> network-information.txt
425 /usr/sbin/scutil -d -v --nwi >> network-information.txt 2>&1
426 for if in ${IF_LIST}
427 do
428 echo "" >> network-information.txt
429 echo "#" >> network-information.txt
430 echo "# scutil --nwi ${if}" >> network-information.txt
431 echo "#" >> network-information.txt
432 scutil --nwi ${if} >> network-information.txt 2>&1
433 done
434
435 echo "#" > dns-configuration.txt
436 echo "# scutil -d -v --dns" >> dns-configuration.txt
437 echo "#" >> dns-configuration.txt
438 /usr/sbin/scutil -d -v --dns >> dns-configuration.txt 2>&1
439
440 echo "#" > proxy-configuration.txt
441 echo "# scutil -d -v --proxy" >> proxy-configuration.txt
442 echo "#" >> proxy-configuration.txt
443 /usr/sbin/scutil -d -v --proxy >> proxy-configuration.txt 2>&1
444
445 echo "#" > reachability-info.txt
446 echo '# scutil -d -v -r www.apple.com' >> reachability-info.txt
447 echo "#" >> reachability-info.txt
448 /usr/sbin/scutil -d -v -r www.apple.com >> reachability-info.txt 2>&1
449
450 echo "#" >> reachability-info.txt
451 echo '# scutil -d -v -r 0.0.0.0' >> reachability-info.txt
452 echo "#" >> reachability-info.txt
453 /usr/sbin/scutil -d -v -r 0.0.0.0 >> reachability-info.txt 2>&1
454
455 echo "#" >> reachability-info.txt
456 echo '# scutil -d -v -r 169.254.0.0' >> reachability-info.txt
457 echo "#" >> reachability-info.txt
458 /usr/sbin/scutil -d -v -r 169.254.0.0 >> reachability-info.txt 2>&1
459
460 echo "#" > nc-info.txt
461 echo '# scutil --nc list' >> nc-info.txt
462 echo "#" >> nc-info.txt
463 /usr/sbin/scutil --nc list >> nc-info.txt 2>&1
464
465 ${PRIV} /usr/sbin/scutil -p --snapshot
466 if [ -f /var/tmp/configd-store.plist ]; then
467 cat /var/tmp/configd-store.plist > configd-store.plist 2>&1
468 fi
469 if [ -f /var/tmp/configd-pattern.plist ]; then
470 cat /var/tmp/configd-pattern.plist > configd-pattern.plist 2>&1
471 fi
472 if [ -f /var/tmp/configd-session.plist ]; then
473 cat /var/tmp/configd-session.plist > configd-session.plist 2>&1
474 fi
475 if [ -f /var/tmp/configd-state ]; then
476 cat /var/tmp/configd-state > configd-state 2>&1
477 fi
478
479 }
480
481 #
482 # route
483 #
484 run_route () {
485
486 if [ ! -x /sbin/route ]; then
487 return
488 fi
489
490 echo "#" > route-info.txt
491 echo '# route -n -v get www.apple.com' >> route-info.txt
492 echo "#" >> route-info.txt
493 /sbin/route -n -v get www.apple.com >> route-info.txt 2>&1
494
495 echo "#" >> route-info.txt
496 echo '# route -n -v get 0.0.0.0' >> route-info.txt
497 echo "#" >> route-info.txt
498 /sbin/route -n -v get 0.0.0.0 >> route-info.txt 2>&1
499
500 }
501
502 #
503 # dig
504 #
505 run_dig () {
506
507 if [ ! -x /usr/bin/dig -o ! -f /etc/resolv.conf ]; then
508 return
509 fi
510
511 echo "#" > dig-info.txt
512 echo '# dig -t any -c any www.apple.com' >> dig-info.txt
513 echo "#" >> dig-info.txt
514 /usr/bin/dig +time=2 -t any -c any www.apple.com >> dig-info.txt 2>/dev/null
515
516 }
517
518 #
519 # hostname
520 #
521 run_hostname () {
522
523 if [ ! -x /bin/hostname ]; then
524 return
525 fi
526
527 /bin/hostname > hostname.txt 2>&1
528
529 }
530
531 #
532 # lsof
533 #
534 run_lsof () {
535
536 if [ ! -x /usr/sbin/lsof ]; then
537 return
538 fi
539
540 ${PRIV} /usr/sbin/lsof -i -n -O -P -T q > lsof.txt 2>&1 &
541 LSOF_PID=$!
542 # start a watchdog for lsof
543 (
544 WAIT_TIME=5
545 while [ $WAIT_TIME -gt 0 ]
546 do
547 ${PRIV} kill -0 ${LSOF_PID} 2>/dev/null
548 if [ $? -eq 0 ]; then
549 # lsof is [still] gathering data...
550 sleep 1
551 WAIT_TIME=$((WAIT_TIME - 1))
552 continue
553 fi
554
555 # lsof completed gathering data
556 break
557 done
558
559 if [ $WAIT_TIME -eq 0 ]; then
560 # lsof timed out
561 ${PRIV} kill ${LSOF_PID} 2>/dev/null
562 fi
563 ) &
564
565 }
566
567 start_pcap() {
568
569 #
570 # collect a packet capture if netdiagnose is available
571 #
572 if [ -x /usr/local/bin/netdiagnose ]; then
573 /usr/local/bin/netdiagnose -p "${REQUESTED_OUTDIR}" start sysdiagpcap 2>&1
574
575 PCAP_STARTED=1
576 fi
577 }
578
579 stop_pcap () {
580 if [ ${PCAP_STARTED} -ne 0 ]; then
581 /usr/local/bin/netdiagnose stop sysdiagpcap 2>&1
582 fi
583 }
584
585 collect_ndf_info () {
586 run_lsof
587 }
588
589 collect_sensitive_info () {
590
591 if [ "${COLLECT_PCAP}" == "Y" ]; then
592 start_pcap
593 fi
594
595 collect_state_dump_sensitive
596 run_ndp
597 run_arp
598 run_neutil
599 run_network_test
600 }
601
602 collect_info () {
603
604 if [ "${COLLECT_NDF_INFO}" == "Y" ]; then
605 collect_ndf_info
606 fi
607
608 if [ "${COLLECT_SENSITIVE_INFO}" == "Y" ]; then
609 collect_sensitive_info
610 fi
611
612 run_scutil
613 run_dig
614 run_ifconfig
615 run_netstat
616 run_ipconfig
617 run_setkey
618 collect_vpn_logs
619 run_route
620 run_hostname
621
622 if [ "${COLLECT_CONFIGURATION_FILES}" == "Y" ]; then
623 collect_configuration_files
624 fi
625
626 stop_pcap
627 }
628
629 # __COMMAND_ROUTINES_END__
630
631 # __HELPER_ROUTINES_BEGIN__
632
633 usage () {
634
635 echo "Usage: get-network-info [-c] [-n] [-s] <info-directory>"
636 echo " -c collects system configuration files"
637 echo " -n collects NDF information (lsof)"
638 echo " -P do not collect a packet capture"
639 echo " -s collects sensitive information (ARP/NDP/mDNS cache)"
640 echo " <info-directory> path to directory where all the information will be collected"
641
642 }
643
644 is_outdir_valid () {
645
646 if [ ! -d ${REQUESTED_OUTDIR} ] ||
647 [ "${REQUESTED_OUTDIR}" = "" ]; then
648 usage
649 exit 1
650 fi
651
652 if [ ! -w ${REQUESTED_OUTDIR} ]; then
653 echo "${REQUESTED_OUTDIR} is write-protected"
654 exit 1
655 fi
656 }
657
658 #
659 # Collect most used command output to be used later
660 #
661 optimize () {
662
663 if [ ! -x /sbin/ifconfig ]; then
664 return
665 fi
666
667 IF_LIST=`/sbin/ifconfig -l`
668
669 }
670
671 init_globals () {
672 REQUESTED_OUTDIR=""
673 COLLECT_SENSITIVE_INFO=""
674 COLLECT_CONFIGURATION_FILES=""
675 COLLECT_PCAP="Y"
676 PCAP_STARTED=0
677
678 }
679
680 # __HELPER_ROUTINES_END__
681
682 #
683 # __MAIN__
684 #
685 ARGS=`getopt cnPs $*`
686 if [ $? != 0 ]; then
687 usage
688 exit 1
689 fi
690
691 init_globals
692 process_opts
693 is_outdir_valid
694 setup
695 optimize
696 collect_info
697 wait
698
699 exit 0