This repository has been archived by the owner on Nov 4, 2024. It is now read-only.
forked from OpenVPN/openvpn3
-
Notifications
You must be signed in to change notification settings - Fork 3
/
cli.cpp
1227 lines (1119 loc) · 35.1 KB
/
cli.cpp
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
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// OpenVPN -- An application to securely tunnel IP networks
// over a single port, with support for SSL/TLS-based
// session authentication and key exchange,
// packet encryption, packet authentication, and
// packet compression.
//
// Copyright (C) 2012-2020 OpenVPN Inc.
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License Version 3
// as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program in the COPYING file.
// If not, see <http://www.gnu.org/licenses/>.
// OpenVPN 3 test client
#include <stdlib.h> // for atoi
#include <string>
#include <iostream>
#include <thread>
#include <memory>
#include <mutex>
#include <openvpn/common/platform.hpp>
#ifdef OPENVPN_PLATFORM_MAC
#include <CoreFoundation/CFBundle.h>
#include <ApplicationServices/ApplicationServices.h>
#endif
// If enabled, don't direct ovpn3 core logging to
// ClientAPI::OpenVPNClient::log() virtual method.
// Instead, logging will go to LogBaseSimple::log().
// In this case, make sure to define:
// LogBaseSimple log;
// at the top of your main() function to receive
// log messages from all threads.
// Also, note that the OPENVPN_LOG_GLOBAL setting
// MUST be consistent across all compilation units.
#ifdef OPENVPN_USE_LOG_BASE_SIMPLE
#define OPENVPN_LOG_GLOBAL // use global rather than thread-local log object pointer
#include <openvpn/log/logbasesimple.hpp>
#endif
// don't export core symbols
#define OPENVPN_CORE_API_VISIBILITY_HIDDEN
// use SITNL on Linux by default
#if defined(OPENVPN_PLATFORM_LINUX) && !defined(OPENVPN_USE_IPROUTE2) && !defined(OPENVPN_USE_SITNL)
#define OPENVPN_USE_SITNL
#endif
// should be included before other openvpn includes,
// with the exception of openvpn/log includes
#include <client/ovpncli.cpp>
#include <openvpn/common/exception.hpp>
#include <openvpn/common/string.hpp>
#include <openvpn/common/signal.hpp>
#include <openvpn/common/file.hpp>
#include <openvpn/common/getopt.hpp>
#include <openvpn/common/getpw.hpp>
#include <openvpn/common/cleanup.hpp>
#include <openvpn/time/timestr.hpp>
#include <openvpn/ssl/peerinfo.hpp>
#include <openvpn/ssl/sslchoose.hpp>
#ifdef OPENVPN_REMOTE_OVERRIDE
#include <openvpn/common/process.hpp>
#endif
#if defined(USE_MBEDTLS)
#include <openvpn/mbedtls/util/pkcs1.hpp>
#endif
#if defined(OPENVPN_PLATFORM_WIN)
#include <openvpn/win/console.hpp>
#include <shellapi.h>
#endif
#ifdef USE_NETCFG
#include "client/core-client-netcfg.hpp"
#endif
#if defined(OPENVPN_PLATFORM_LINUX)
#include <openvpn/tun/linux/client/tuncli.hpp>
// we use a static polymorphism and define a
// platform-specific TunSetup class, responsible
// for setting up tun device
#define TUN_CLASS_SETUP TunLinuxSetup::Setup<TUN_LINUX>
#include <openvpn/tun/linux/client/tuncli.hpp>
#elif defined(OPENVPN_PLATFORM_MAC)
#include <openvpn/tun/mac/client/tuncli.hpp>
#define TUN_CLASS_SETUP TunMac::Setup
#endif
using namespace openvpn;
namespace {
OPENVPN_SIMPLE_EXCEPTION(usage);
}
#ifdef USE_TUN_BUILDER
class ClientBase : public ClientAPI::OpenVPNClient
{
public:
bool tun_builder_new() override
{
tbc.tun_builder_set_mtu(1500);
return true;
}
int tun_builder_establish() override
{
if (!tun)
{
tun.reset(new TUN_CLASS_SETUP());
}
TUN_CLASS_SETUP::Config config;
config.layer = Layer(Layer::Type::OSI_LAYER_3);
// no need to add bypass routes on establish since we do it on socket_protect
config.add_bypass_routes_on_establish = false;
return tun->establish(tbc, &config, nullptr, std::cout);
}
bool tun_builder_add_address(const std::string& address,
int prefix_length,
const std::string& gateway, // optional
bool ipv6,
bool net30) override
{
return tbc.tun_builder_add_address(address, prefix_length, gateway, ipv6, net30);
}
bool tun_builder_add_route(const std::string& address,
int prefix_length,
int metric,
bool ipv6) override
{
return tbc.tun_builder_add_route(address, prefix_length, metric, ipv6);
}
bool tun_builder_reroute_gw(bool ipv4,
bool ipv6,
unsigned int flags) override
{
return tbc.tun_builder_reroute_gw(ipv4, ipv6, flags);
}
bool tun_builder_set_remote_address(const std::string& address,
bool ipv6) override
{
return tbc.tun_builder_set_remote_address(address, ipv6);
}
bool tun_builder_set_session_name(const std::string& name) override
{
return tbc.tun_builder_set_session_name(name);
}
bool tun_builder_add_dns_server(const std::string& address, bool ipv6) override
{
return tbc.tun_builder_add_dns_server(address, ipv6);
}
void tun_builder_teardown(bool disconnect) override
{
std::ostringstream os;
auto os_print = Cleanup([&os](){ OPENVPN_LOG_STRING(os.str()); });
tun->destroy(os);
}
bool socket_protect(int socket, std::string remote, bool ipv6) override
{
(void)socket;
std::ostringstream os;
auto os_print = Cleanup([&os](){ OPENVPN_LOG_STRING(os.str()); });
return tun->add_bypass_route(remote, ipv6, os);
}
private:
TUN_CLASS_SETUP::Ptr tun = new TUN_CLASS_SETUP();
TunBuilderCapture tbc;
};
#else // USE_TUN_BUILDER
class ClientBase : public ClientAPI::OpenVPNClient
{
public:
bool socket_protect(int socket, std::string remote, bool ipv6) override
{
std::cout << "NOT IMPLEMENTED: *** socket_protect " << socket << " " << remote << std::endl;
return true;
}
};
#endif
class Client : public ClientBase
{
public:
enum ClockTickAction {
CT_UNDEF,
CT_STOP,
CT_RECONNECT,
CT_PAUSE,
CT_RESUME,
CT_STATS,
};
bool is_dynamic_challenge() const
{
return !dc_cookie.empty();
}
std::string dynamic_challenge_cookie()
{
return dc_cookie;
}
std::string epki_ca;
std::string epki_cert;
#if defined(USE_MBEDTLS)
MbedTLSPKI::PKContext epki_ctx; // external PKI context
#endif
void set_clock_tick_action(const ClockTickAction action)
{
clock_tick_action = action;
}
void print_stats()
{
const int n = stats_n();
std::vector<long long> stats = stats_bundle();
std::cout << "STATS:" << std::endl;
for (int i = 0; i < n; ++i)
{
const long long value = stats[i];
if (value)
std::cout << " " << stats_name(i) << " : " << value << std::endl;
}
}
#ifdef OPENVPN_REMOTE_OVERRIDE
void set_remote_override_cmd(const std::string& cmd)
{
remote_override_cmd = cmd;
}
#endif
void set_write_url_fn(const std::string& fn)
{
write_url_fn = fn;
}
private:
virtual void event(const ClientAPI::Event& ev) override
{
std::cout << date_time() << " EVENT: " << ev.name;
if (!ev.info.empty())
std::cout << ' ' << ev.info;
if (ev.fatal)
std::cout << " [FATAL-ERR]";
else if (ev.error)
std::cout << " [ERR]";
std::cout << std::endl;
if (ev.name == "DYNAMIC_CHALLENGE")
{
dc_cookie = ev.info;
ClientAPI::DynamicChallenge dc;
if (ClientAPI::OpenVPNClient::parse_dynamic_challenge(ev.info, dc)) {
std::cout << "DYNAMIC CHALLENGE" << std::endl;
std::cout << "challenge: " << dc.challenge << std::endl;
std::cout << "echo: " << dc.echo << std::endl;
std::cout << "responseRequired: " << dc.responseRequired << std::endl;
std::cout << "stateID: " << dc.stateID << std::endl;
}
}
else if (ev.name == "INFO" && (string::starts_with(ev.info, "OPEN_URL:http://")
|| string::starts_with(ev.info, "OPEN_URL:https://")))
{
// launch URL
const std::string url_str = ev.info.substr(9);
if (!write_url_fn.empty())
write_string(write_url_fn, url_str + '\n');
#ifdef OPENVPN_PLATFORM_MAC
std::thread thr([url_str]() {
CFURLRef url = CFURLCreateWithBytes(
NULL, // allocator
(UInt8*)url_str.c_str(), // URLBytes
url_str.length(), // length
kCFStringEncodingUTF8, // encoding
NULL // baseURL
);
LSOpenCFURLRef(url, 0);
CFRelease(url);
});
thr.detach();
#else
std::cout << "No implementation to launch " << url_str << std::endl;
#endif
}
}
virtual void log(const ClientAPI::LogInfo& log) override
{
std::lock_guard<std::mutex> lock(log_mutex);
std::cout << date_time() << ' ' << log.text << std::flush;
}
virtual void clock_tick() override
{
const ClockTickAction action = clock_tick_action;
clock_tick_action = CT_UNDEF;
switch (action)
{
case CT_STOP:
std::cout << "signal: CT_STOP" << std::endl;
stop();
break;
case CT_RECONNECT:
std::cout << "signal: CT_RECONNECT" << std::endl;
reconnect(0);
break;
case CT_PAUSE:
std::cout << "signal: CT_PAUSE" << std::endl;
pause("clock-tick pause");
break;
case CT_RESUME:
std::cout << "signal: CT_RESUME" << std::endl;
resume();
break;
case CT_STATS:
std::cout << "signal: CT_STATS" << std::endl;
print_stats();
break;
default:
break;
}
}
virtual void external_pki_cert_request(ClientAPI::ExternalPKICertRequest& certreq) override
{
if (!epki_cert.empty())
{
certreq.cert = epki_cert;
certreq.supportingChain = epki_ca;
}
else
{
certreq.error = true;
certreq.errorText = "external_pki_cert_request not implemented";
}
}
virtual void external_pki_sign_request(ClientAPI::ExternalPKISignRequest& signreq) override
{
#if defined(USE_MBEDTLS)
if (epki_ctx.defined())
{
try {
// decode base64 sign request
BufferAllocated signdata(256, BufferAllocated::GROW);
base64->decode(signdata, signreq.data);
// get MD alg
const mbedtls_md_type_t md_alg = PKCS1::DigestPrefix::MbedTLSParse().alg_from_prefix(signdata);
// log info
OPENVPN_LOG("SIGN[" << PKCS1::DigestPrefix::MbedTLSParse::to_string(md_alg) << ',' << signdata.size() << "]: " << render_hex_generic(signdata));
// allocate buffer for signature
BufferAllocated sig(mbedtls_pk_get_len(epki_ctx.get()), BufferAllocated::ARRAY);
// sign it
size_t sig_size = 0;
const int status = mbedtls_pk_sign(epki_ctx.get(),
md_alg,
signdata.c_data(),
signdata.size(),
sig.data(),
&sig_size,
rng_callback,
this);
if (status != 0)
throw Exception("mbedtls_pk_sign failed, err=" + openvpn::to_string(status));
if (sig.size() != sig_size)
throw Exception("unexpected signature size");
// encode base64 signature
signreq.sig = base64->encode(sig);
OPENVPN_LOG("SIGNATURE[" << sig_size << "]: " << signreq.sig);
}
catch (const std::exception& e)
{
signreq.error = true;
signreq.errorText = std::string("external_pki_sign_request: ") + e.what();
}
}
else
#endif
{
signreq.error = true;
signreq.errorText = "external_pki_sign_request not implemented";
}
}
// RNG callback
static int rng_callback(void *arg, unsigned char *data, size_t len)
{
Client *self = (Client *)arg;
if (!self->rng)
{
self->rng.reset(new SSLLib::RandomAPI(false));
self->rng->assert_crypto();
}
return self->rng->rand_bytes_noexcept(data, len) ? 0 : -1; // using -1 as a general-purpose mbed TLS error code
}
virtual bool pause_on_connection_timeout() override
{
return false;
}
#ifdef OPENVPN_REMOTE_OVERRIDE
virtual bool remote_override_enabled() override
{
return !remote_override_cmd.empty();
}
virtual void remote_override(ClientAPI::RemoteOverride& ro)
{
RedirectPipe::InOut pio;
Argv argv;
argv.emplace_back(remote_override_cmd);
OPENVPN_LOG(argv.to_string());
const int status = system_cmd(remote_override_cmd,
argv,
nullptr,
pio,
RedirectPipe::IGNORE_ERR,
nullptr);
if (!status)
{
const std::string out = string::first_line(pio.out);
OPENVPN_LOG("REMOTE OVERRIDE: " << out);
auto svec = string::split(out, ',');
if (svec.size() == 4)
{
ro.host = svec[0];
ro.ip = svec[1];
ro.port = svec[2];
ro.proto = svec[3];
}
else
ro.error = "cannot parse remote-override, expecting host,ip,port,proto (at least one or both of host and ip must be defined)";
}
else
ro.error = "status=" + std::to_string(status);
}
#endif
std::mutex log_mutex;
std::string dc_cookie;
RandomAPI::Ptr rng; // random data source for epki
volatile ClockTickAction clock_tick_action = CT_UNDEF;
#ifdef OPENVPN_REMOTE_OVERRIDE
std::string remote_override_cmd;
#endif
std::string write_url_fn;
};
static Client *the_client = nullptr; // GLOBAL
static void worker_thread()
{
#if !defined(OPENVPN_OVPNCLI_SINGLE_THREAD)
openvpn_io::detail::signal_blocker signal_blocker; // signals should be handled by parent thread
#endif
try {
std::cout << "Thread starting..." << std::endl;
ClientAPI::Status connect_status = the_client->connect();
if (connect_status.error)
{
std::cout << "connect error: ";
if (!connect_status.status.empty())
std::cout << connect_status.status << ": ";
std::cout << connect_status.message << std::endl;
}
}
catch (const std::exception& e)
{
std::cout << "Connect thread exception: " << e.what() << std::endl;
}
std::cout << "Thread finished" << std::endl;
}
static std::string read_profile(const char *fn, const std::string* profile_content)
{
if (!string::strcasecmp(fn, "http") && profile_content && !profile_content->empty())
return *profile_content;
else
{
ProfileMerge pm(fn, "ovpn", "", ProfileMerge::FOLLOW_FULL,
ProfileParseLimits::MAX_LINE_SIZE, ProfileParseLimits::MAX_PROFILE_SIZE);
if (pm.status() != ProfileMerge::MERGE_SUCCESS)
OPENVPN_THROW_EXCEPTION("merge config error: " << pm.status_string() << " : " << pm.error());
return pm.profile_content();
}
}
#if defined(OPENVPN_PLATFORM_WIN)
static void start_thread(Client& client)
{
// Set Windows title bar
const std::string title_text = "F2:Stats F3:Reconnect F4:Stop F5:Pause";
Win::Console::Title title(ClientAPI::OpenVPNClient::platform() + " " + title_text);
Win::Console::Input console;
// start connect thread
std::unique_ptr<std::thread> thread;
volatile bool thread_exit = false;
the_client = &client;
thread.reset(new std::thread([&thread_exit]() {
worker_thread();
thread_exit = true;
}));
// wait for connect thread to exit, also check for keypresses
while (!thread_exit)
{
while (true)
{
const unsigned int c = console.get();
if (!c)
break;
else if (c == 0x3C) // F2
the_client->print_stats();
else if (c == 0x3D) // F3
the_client->reconnect(0);
else if (c == 0x3E) // F4
the_client->stop();
else if (c == 0x3F) // F5
the_client->pause("user-pause");
}
Sleep(1000);
}
// wait for connect thread to exit
thread->join();
the_client = nullptr;
}
#elif defined(OPENVPN_OVPNCLI_SINGLE_THREAD)
static void handler(int signum)
{
switch (signum)
{
case SIGTERM:
case SIGINT:
if (the_client)
the_client->set_clock_tick_action(Client::CT_STOP);
break;
case SIGHUP:
if (the_client)
the_client->set_clock_tick_action(Client::CT_RECONNECT);
break;
case SIGUSR1:
if (the_client)
the_client->set_clock_tick_action(Client::CT_STATS);
break;
case SIGUSR2:
{
// toggle pause/resume
static bool hup = false;
if (the_client)
{
if (hup)
the_client->set_clock_tick_action(Client::CT_RESUME);
else
the_client->set_clock_tick_action(Client::CT_PAUSE);
hup = !hup;
}
}
break;
default:
break;
}
}
static void start_thread(Client& client)
{
the_client = &client;
// capture signals that might occur while we're in worker_thread
Signal signal(handler, Signal::F_SIGINT|Signal::F_SIGTERM|Signal::F_SIGHUP|Signal::F_SIGUSR1|Signal::F_SIGUSR2);
// run the client
worker_thread();
the_client = nullptr;
}
#else
static void handler(int signum)
{
switch (signum)
{
case SIGTERM:
case SIGINT:
std::cout << "received stop signal " << signum << std::endl;
if (the_client)
the_client->stop();
break;
case SIGHUP:
std::cout << "received reconnect signal " << signum << std::endl;
if (the_client)
the_client->reconnect(0);
break;
case SIGUSR1:
if (the_client)
the_client->print_stats();
break;
case SIGUSR2:
{
// toggle pause/resume
static bool hup = false;
std::cout << "received pause/resume toggle signal " << signum << std::endl;
if (the_client)
{
if (hup)
the_client->resume();
else
the_client->pause("pause-resume-signal");
hup = !hup;
}
}
break;
default:
std::cout << "received unknown signal " << signum << std::endl;
break;
}
}
static void start_thread(Client& client)
{
std::unique_ptr<std::thread> thread;
// start connect thread
the_client = &client;
thread.reset(new std::thread([]() {
worker_thread();
}));
{
// catch signals that might occur while we're in join()
Signal signal(handler, Signal::F_SIGINT|Signal::F_SIGTERM|Signal::F_SIGHUP|Signal::F_SIGUSR1|Signal::F_SIGUSR2);
// wait for connect thread to exit
thread->join();
}
the_client = nullptr;
}
#endif
int openvpn_client(int argc, char *argv[], const std::string* profile_content)
{
static const struct option longopts[] = {
{ "username", required_argument, nullptr, 'u' },
{ "password", required_argument, nullptr, 'p' },
{ "response", required_argument, nullptr, 'r' },
{ "dc", required_argument, nullptr, 'D' },
{ "proto", required_argument, nullptr, 'P' },
{ "ipv6", required_argument, nullptr, '6' },
{ "server", required_argument, nullptr, 's' },
{ "port", required_argument, nullptr, 'R' },
{ "timeout", required_argument, nullptr, 't' },
{ "compress", required_argument, nullptr, 'c' },
{ "pk-password", required_argument, nullptr, 'z' },
{ "tvm-override", required_argument, nullptr, 'M' },
{ "proxy-host", required_argument, nullptr, 'h' },
{ "proxy-port", required_argument, nullptr, 'q' },
{ "proxy-username", required_argument, nullptr, 'U' },
{ "proxy-password", required_argument, nullptr, 'W' },
{ "peer-info", required_argument, nullptr, 'I' },
{ "gremlin", required_argument, nullptr, 'G' },
{ "proxy-basic", no_argument, nullptr, 'B' },
{ "alt-proxy", no_argument, nullptr, 'A' },
{ "dco", no_argument, nullptr, 'd' },
{ "eval", no_argument, nullptr, 'e' },
{ "self-test", no_argument, nullptr, 'T' },
{ "cache-password", no_argument, nullptr, 'C' },
{ "no-cert", no_argument, nullptr, 'x' },
{ "force-aes-cbc", no_argument, nullptr, 'f' },
{ "google-dns", no_argument, nullptr, 'g' },
{ "persist-tun", no_argument, nullptr, 'j' },
{ "wintun", no_argument, nullptr, 'w' },
{ "def-keydir", required_argument, nullptr, 'k' },
{ "merge", no_argument, nullptr, 'm' },
{ "version", no_argument, nullptr, 'v' },
{ "auto-sess", no_argument, nullptr, 'a' },
{ "auth-retry", no_argument, nullptr, 'Y' },
{ "tcprof-override", required_argument, nullptr, 'X' },
{ "write-url", required_argument, nullptr, 'Z' },
{ "sso-methods", required_argument, nullptr, 'S' },
{ "ssl-debug", required_argument, nullptr, 1 },
{ "epki-cert", required_argument, nullptr, 2 },
{ "epki-ca", required_argument, nullptr, 3 },
{ "epki-key", required_argument, nullptr, 4 },
#ifdef OPENVPN_REMOTE_OVERRIDE
{ "remote-override",required_argument, nullptr, 5 },
#endif
{ nullptr, 0, nullptr, 0 }
};
int ret = 0;
auto cleanup = Cleanup([]() {
the_client = nullptr;
});
try {
if (argc >= 2)
{
std::string username;
std::string password;
std::string response;
std::string dynamicChallengeCookie;
std::string proto;
std::string ipv6;
std::string server;
std::string port;
int timeout = 0;
std::string compress;
std::string privateKeyPassword;
std::string tlsVersionMinOverride;
std::string tlsCertProfileOverride;
std::string proxyHost;
std::string proxyPort;
std::string proxyUsername;
std::string proxyPassword;
std::string peer_info;
std::string gremlin;
std::string ssoMethods;
bool eval = false;
bool self_test = false;
bool cachePassword = false;
bool disableClientCert = false;
bool proxyAllowCleartextAuth = false;
int defaultKeyDirection = -1;
bool forceAesCbcCiphersuites = false;
int sslDebugLevel = 0;
bool googleDnsFallback = false;
bool autologinSessions = false;
bool retryOnAuthFailed = false;
bool tunPersist = false;
bool wintun = false;
bool merge = false;
bool version = false;
bool altProxy = false;
bool dco = false;
std::string epki_cert_fn;
std::string epki_ca_fn;
std::string epki_key_fn;
#ifdef OPENVPN_REMOTE_OVERRIDE
std::string remote_override_cmd;
#endif
std::string write_url_fn;
int ch;
optind = 1;
while ((ch = getopt_long(argc, argv, "BAdeTCxfgjwmvaYu:p:r:D:P:6:s:S:t:c:z:M:h:q:U:W:I:G:k:X:R:Z:", longopts, nullptr)) != -1)
{
switch (ch)
{
case 1: // ssl-debug
sslDebugLevel = ::atoi(optarg);
break;
case 2: // --epki-cert
epki_cert_fn = optarg;
break;
case 3: // --epki-ca
epki_ca_fn = optarg;
break;
case 4: // --epki-key
epki_key_fn = optarg;
break;
#ifdef OPENVPN_REMOTE_OVERRIDE
case 5: // --remote-override
remote_override_cmd = optarg;
break;
#endif
case 'e':
eval = true;
break;
case 'T':
self_test = true;
break;
case 'C':
cachePassword = true;
break;
case 'x':
disableClientCert = true;
break;
case 'u':
username = optarg;
break;
case 'p':
password = optarg;
break;
case 'r':
response = optarg;
break;
case 'P':
proto = optarg;
break;
case '6':
ipv6 = optarg;
break;
case 's':
server = optarg;
break;
case 'R':
port = optarg;
break;
case 'S':
ssoMethods = optarg;
break;
case 't':
timeout = ::atoi(optarg);
break;
case 'c':
compress = optarg;
break;
case 'z':
privateKeyPassword = optarg;
break;
case 'M':
tlsVersionMinOverride = optarg;
break;
case 'X':
tlsCertProfileOverride = optarg;
break;
case 'h':
proxyHost = optarg;
break;
case 'q':
proxyPort = optarg;
break;
case 'U':
proxyUsername = optarg;
break;
case 'W':
proxyPassword = optarg;
break;
case 'B':
proxyAllowCleartextAuth = true;
break;
case 'A':
altProxy = true;
break;
case 'd':
dco = true;
break;
case 'f':
forceAesCbcCiphersuites = true;
break;
case 'g':
googleDnsFallback = true;
break;
case 'a':
autologinSessions = true;
break;
case 'Y':
retryOnAuthFailed = true;
break;
case 'j':
tunPersist = true;
break;
case 'w':
wintun = true;
break;
case 'm':
merge = true;
break;
case 'v':
version = true;
break;
case 'k':
{
const std::string arg = optarg;
if (arg == "bi" || arg == "bidirectional")
defaultKeyDirection = -1;
else if (arg == "0")
defaultKeyDirection = 0;
else if (arg == "1")
defaultKeyDirection = 1;
else
OPENVPN_THROW_EXCEPTION("bad default key-direction: " << arg);
}
break;
case 'D':
dynamicChallengeCookie = optarg;
break;
case 'I':
peer_info = optarg;
break;
case 'G':
gremlin = optarg;
break;
case 'Z':
write_url_fn = optarg;
break;
default:
throw usage();
}
}
argc -= optind;
argv += optind;
if (version)
{
std::cout << "OpenVPN cli 1.0" << std::endl;
std::cout << ClientAPI::OpenVPNClient::platform() << std::endl;
std::cout << ClientAPI::OpenVPNClient::copyright() << std::endl;
}
else if (self_test)
{
std::cout << ClientAPI::OpenVPNClient::crypto_self_test();
}
else if (merge)
{
if (argc != 1)
throw usage();
std::cout << read_profile(argv[0], profile_content);
}
else
{
if (argc < 1)
throw usage();
bool retry;
do {
retry = false;
ClientAPI::Config config;
config.guiVersion = "cli 1.0";
#if defined(OPENVPN_PLATFORM_WIN)
int nargs = 0;
auto argvw = CommandLineToArgvW(GetCommandLineW(), &nargs);
UTF8 utf8(Win::utf8(argvw[nargs - 1]));
config.content = read_profile(utf8.get(), profile_content);
#else
config.content = read_profile(argv[0], profile_content);
#endif
for (int i = 1; i < argc; ++i)
{
config.content += argv[i];
config.content += '\n';
}
config.serverOverride = server;
config.portOverride = port;
config.protoOverride = proto;
config.connTimeout = timeout;
config.compressionMode = compress;
config.ipv6 = ipv6;
config.privateKeyPassword = privateKeyPassword;
config.tlsVersionMinOverride = tlsVersionMinOverride;
config.tlsCertProfileOverride = tlsCertProfileOverride;
config.disableClientCert = disableClientCert;
config.proxyHost = proxyHost;
config.proxyPort = proxyPort;
config.proxyUsername = proxyUsername;
config.proxyPassword = proxyPassword;
config.proxyAllowCleartextAuth = proxyAllowCleartextAuth;
config.altProxy = altProxy;
config.dco = dco;
config.defaultKeyDirection = defaultKeyDirection;
config.forceAesCbcCiphersuites = forceAesCbcCiphersuites;