GCC Code Coverage Report
Directory: ../ Exec Total Coverage
File: /home/iojs/build/workspace/node-test-commit-linux-coverage-daily/nodes/benchmark/out/../src/node_options.cc Lines: 456 576 79.2 %
Date: 2021-02-19 04:08:54 Branches: 87 252 34.5 %

Line Branch Exec Source
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#include "node_options.h"  // NOLINT(build/include_inline)
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#include "node_options-inl.h"
3
4
#include "env-inl.h"
5
#include "node_binding.h"
6
#include "node_internals.h"
7
8
#include <errno.h>
9
#include <sstream>
10
#include <limits>
11
#include <algorithm>
12
#include <cstdlib>  // strtoul, errno
13
14
using v8::Boolean;
15
using v8::Context;
16
using v8::FunctionCallbackInfo;
17
using v8::Integer;
18
using v8::Isolate;
19
using v8::Local;
20
using v8::Map;
21
using v8::Number;
22
using v8::Object;
23
using v8::Undefined;
24
using v8::Value;
25
26
namespace node {
27
28
namespace per_process {
29
122
Mutex cli_options_mutex;
30
122
std::shared_ptr<PerProcessOptions> cli_options{new PerProcessOptions()};
31
}  // namespace per_process
32
33
115
void DebugOptions::CheckOptions(std::vector<std::string>* errors) {
34
#if !NODE_USE_V8_PLATFORM && !HAVE_INSPECTOR
35
  if (inspector_enabled) {
36
    errors->push_back("Inspector is not available when Node is compiled "
37
                      "--without-v8-platform and --without-inspector.");
38
  }
39
#endif
40
41
115
  if (deprecated_debug) {
42
    errors->push_back("[DEP0062]: `node --debug` and `node --debug-brk` "
43
                      "are invalid. Please use `node --inspect` and "
44
                      "`node --inspect-brk` instead.");
45
  }
46
47
  std::vector<std::string> destinations =
48
230
      SplitString(inspect_publish_uid_string, ',');
49
115
  inspect_publish_uid.console = false;
50
115
  inspect_publish_uid.http = false;
51
345
  for (const std::string& destination : destinations) {
52
230
    if (destination == "stderr") {
53
115
      inspect_publish_uid.console = true;
54
115
    } else if (destination == "http") {
55
115
      inspect_publish_uid.http = true;
56
    } else {
57
      errors->push_back("--inspect-publish-uid destination can be "
58
                        "stderr or http");
59
    }
60
  }
61
115
}
62
63
115
void PerProcessOptions::CheckOptions(std::vector<std::string>* errors) {
64
#if HAVE_OPENSSL
65

115
  if (use_openssl_ca && use_bundled_ca) {
66
    errors->push_back("either --use-openssl-ca or --use-bundled-ca can be "
67
                      "used, not both");
68
  }
69
70
  // Any value less than 2 disables use of the secure heap.
71
115
  if (secure_heap >= 2) {
72
    if ((secure_heap & (secure_heap - 1)) != 0)
73
      errors->push_back("--secure-heap must be a power of 2");
74
    secure_heap_min =
75
        std::min({
76
            secure_heap,
77
            secure_heap_min,
78
            static_cast<int64_t>(std::numeric_limits<int>::max())});
79
    secure_heap_min = std::max(static_cast<int64_t>(2), secure_heap_min);
80
    if ((secure_heap_min & (secure_heap_min - 1)) != 0)
81
      errors->push_back("--secure-heap-min must be a power of 2");
82
  }
83
#endif
84

230
  if (use_largepages != "off" &&
85

115
      use_largepages != "on" &&
86
      use_largepages != "silent") {
87
    errors->push_back("invalid value for --use-largepages");
88
  }
89
115
  per_isolate->CheckOptions(errors);
90
115
}
91
92
115
void PerIsolateOptions::CheckOptions(std::vector<std::string>* errors) {
93
115
  per_env->CheckOptions(errors);
94
115
}
95
96
115
void EnvironmentOptions::CheckOptions(std::vector<std::string>* errors) {
97

115
  if (has_policy_integrity_string && experimental_policy.empty()) {
98
    errors->push_back("--policy-integrity requires "
99
                      "--experimental-policy be enabled");
100
  }
101

115
  if (has_policy_integrity_string && experimental_policy_integrity.empty()) {
102
    errors->push_back("--policy-integrity cannot be empty");
103
  }
104
105
115
  if (!module_type.empty()) {
106
    if (module_type != "commonjs" && module_type != "module") {
107
      errors->push_back("--input-type must be \"module\" or \"commonjs\"");
108
    }
109
  }
110
111
115
  if (!experimental_specifier_resolution.empty()) {
112
    if (experimental_specifier_resolution != "node" &&
113
        experimental_specifier_resolution != "explicit") {
114
      errors->push_back(
115
        "invalid value for --experimental-specifier-resolution");
116
    }
117
  }
118
119

115
  if (syntax_check_only && has_eval_string) {
120
    errors->push_back("either --check or --eval can be used, not both");
121
  }
122
123

230
  if (!unhandled_rejections.empty() &&
124
      unhandled_rejections != "warn-with-error-code" &&
125
      unhandled_rejections != "throw" &&
126
      unhandled_rejections != "strict" &&
127

115
      unhandled_rejections != "warn" &&
128
      unhandled_rejections != "none") {
129
    errors->push_back("invalid value for --unhandled-rejections");
130
  }
131
132

115
  if (tls_min_v1_3 && tls_max_v1_2) {
133
    errors->push_back("either --tls-min-v1.3 or --tls-max-v1.2 can be "
134
                      "used, not both");
135
  }
136
137
115
  if (heap_snapshot_near_heap_limit < 0) {
138
    errors->push_back("--heap-snapshot-near-heap-limit must not be negative");
139
  }
140
141
#if HAVE_INSPECTOR
142
115
  if (!cpu_prof) {
143
115
    if (!cpu_prof_name.empty()) {
144
      errors->push_back("--cpu-prof-name must be used with --cpu-prof");
145
    }
146
115
    if (!cpu_prof_dir.empty()) {
147
      errors->push_back("--cpu-prof-dir must be used with --cpu-prof");
148
    }
149
    // We can't catch the case where the value passed is the default value,
150
    // then the option just becomes a noop which is fine.
151
115
    if (cpu_prof_interval != kDefaultCpuProfInterval) {
152
      errors->push_back("--cpu-prof-interval must be used with --cpu-prof");
153
    }
154
  }
155
156


115
  if (cpu_prof && cpu_prof_dir.empty() && !diagnostic_dir.empty()) {
157
      cpu_prof_dir = diagnostic_dir;
158
    }
159
160
115
  if (!heap_prof) {
161
115
    if (!heap_prof_name.empty()) {
162
      errors->push_back("--heap-prof-name must be used with --heap-prof");
163
    }
164
115
    if (!heap_prof_dir.empty()) {
165
      errors->push_back("--heap-prof-dir must be used with --heap-prof");
166
    }
167
    // We can't catch the case where the value passed is the default value,
168
    // then the option just becomes a noop which is fine.
169
115
    if (heap_prof_interval != kDefaultHeapProfInterval) {
170
      errors->push_back("--heap-prof-interval must be used with --heap-prof");
171
    }
172
  }
173
174


115
  if (heap_prof && heap_prof_dir.empty() && !diagnostic_dir.empty()) {
175
    heap_prof_dir = diagnostic_dir;
176
  }
177
178
115
  debug_options_.CheckOptions(errors);
179
#endif  // HAVE_INSPECTOR
180
115
}
181
182
namespace options_parser {
183
184
122
class DebugOptionsParser : public OptionsParser<DebugOptions> {
185
 public:
186
  DebugOptionsParser();
187
};
188
189
122
class EnvironmentOptionsParser : public OptionsParser<EnvironmentOptions> {
190
 public:
191
  EnvironmentOptionsParser();
192
122
  explicit EnvironmentOptionsParser(const DebugOptionsParser& dop)
193
122
    : EnvironmentOptionsParser() {
194
122
    Insert(dop, &EnvironmentOptions::get_debug_options);
195
122
  }
196
};
197
198
122
class PerIsolateOptionsParser : public OptionsParser<PerIsolateOptions> {
199
 public:
200
  PerIsolateOptionsParser() = delete;
201
  explicit PerIsolateOptionsParser(const EnvironmentOptionsParser& eop);
202
};
203
204
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class PerProcessOptionsParser : public OptionsParser<PerProcessOptions> {
205
 public:
206
  PerProcessOptionsParser() = delete;
207
  explicit PerProcessOptionsParser(const PerIsolateOptionsParser& iop);
208
};
209
210
#if HAVE_INSPECTOR
211
122
const DebugOptionsParser _dop_instance{};
212
122
const EnvironmentOptionsParser _eop_instance{_dop_instance};
213
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// This Parse is not dead code. It is used by embedders (e.g., Electron).
215
template <>
216
void Parse(
217
  StringVector* const args, StringVector* const exec_args,
218
  StringVector* const v8_args,
219
  DebugOptions* const options,
220
  OptionEnvvarSettings required_env_settings, StringVector* const errors) {
221
  _dop_instance.Parse(
222
    args, exec_args, v8_args, options, required_env_settings, errors);
223
}
224
#else
225
const EnvironmentOptionsParser _eop_instance{};
226
#endif  // HAVE_INSPECTOR
227
122
const PerIsolateOptionsParser _piop_instance{_eop_instance};
228
122
const PerProcessOptionsParser _ppop_instance{_piop_instance};
229
230
template <>
231
void Parse(
232
  StringVector* const args, StringVector* const exec_args,
233
  StringVector* const v8_args,
234
  PerIsolateOptions* const options,
235
  OptionEnvvarSettings required_env_settings, StringVector* const errors) {
236
  _piop_instance.Parse(
237
    args, exec_args, v8_args, options, required_env_settings, errors);
238
}
239
240
template <>
241
115
void Parse(
242
  StringVector* const args, StringVector* const exec_args,
243
  StringVector* const v8_args,
244
  PerProcessOptions* const options,
245
  OptionEnvvarSettings required_env_settings, StringVector* const errors) {
246
  _ppop_instance.Parse(
247
115
    args, exec_args, v8_args, options, required_env_settings, errors);
248
115
}
249
250
// XXX: If you add an option here, please also add it to doc/node.1 and
251
// doc/api/cli.md
252
// TODO(addaleax): Make that unnecessary.
253
254
122
DebugOptionsParser::DebugOptionsParser() {
255
122
  AddOption("--inspect-port",
256
            "set host:port for inspector",
257
            &DebugOptions::host_port,
258
122
            kAllowedInEnvironment);
259
122
  AddAlias("--debug-port", "--inspect-port");
260
261
122
  AddOption("--inspect",
262
            "activate inspector on host:port (default: 127.0.0.1:9229)",
263
            &DebugOptions::inspector_enabled,
264
122
            kAllowedInEnvironment);
265
122
  AddAlias("--inspect=", { "--inspect-port", "--inspect" });
266
267
122
  AddOption("--debug", "", &DebugOptions::deprecated_debug);
268
122
  AddAlias("--debug=", "--debug");
269
122
  AddOption("--debug-brk", "", &DebugOptions::deprecated_debug);
270
122
  AddAlias("--debug-brk=", "--debug-brk");
271
272
122
  AddOption("--inspect-brk",
273
            "activate inspector on host:port and break at start of user script",
274
            &DebugOptions::break_first_line,
275
122
            kAllowedInEnvironment);
276
122
  Implies("--inspect-brk", "--inspect");
277
122
  AddAlias("--inspect-brk=", { "--inspect-port", "--inspect-brk" });
278
279
122
  AddOption("--inspect-brk-node", "", &DebugOptions::break_node_first_line);
280
122
  Implies("--inspect-brk-node", "--inspect");
281
122
  AddAlias("--inspect-brk-node=", { "--inspect-port", "--inspect-brk-node" });
282
283
122
  AddOption("--inspect-publish-uid",
284
            "comma separated list of destinations for inspector uid"
285
            "(default: stderr,http)",
286
            &DebugOptions::inspect_publish_uid_string,
287
122
            kAllowedInEnvironment);
288
122
}
289
290
122
EnvironmentOptionsParser::EnvironmentOptionsParser() {
291
122
  AddOption("--conditions",
292
            "additional user conditions for conditional exports and imports",
293
            &EnvironmentOptions::conditions,
294
122
            kAllowedInEnvironment);
295
122
  AddOption("--diagnostic-dir",
296
            "set dir for all output files"
297
            " (default: current working directory)",
298
            &EnvironmentOptions::diagnostic_dir,
299
122
            kAllowedInEnvironment);
300
122
  AddOption("--enable-source-maps",
301
            "experimental Source Map V3 support",
302
            &EnvironmentOptions::enable_source_maps,
303
122
            kAllowedInEnvironment);
304
122
  AddOption("--experimental-abortcontroller", "",
305
122
            NoOp{}, kAllowedInEnvironment);
306
122
  AddOption("--experimental-json-modules",
307
            "experimental JSON interop support for the ES Module loader",
308
            &EnvironmentOptions::experimental_json_modules,
309
122
            kAllowedInEnvironment);
310
122
  AddOption("--experimental-loader",
311
            "use the specified module as a custom loader",
312
            &EnvironmentOptions::userland_loader,
313
122
            kAllowedInEnvironment);
314
122
  AddAlias("--loader", "--experimental-loader");
315
122
  AddOption("--experimental-modules",
316
            "",
317
            &EnvironmentOptions::experimental_modules,
318
122
            kAllowedInEnvironment);
319
122
  AddOption("--experimental-wasm-modules",
320
            "experimental ES Module support for webassembly modules",
321
            &EnvironmentOptions::experimental_wasm_modules,
322
122
            kAllowedInEnvironment);
323
122
  AddOption("--experimental-import-meta-resolve",
324
            "experimental ES Module import.meta.resolve() support",
325
            &EnvironmentOptions::experimental_import_meta_resolve,
326
122
            kAllowedInEnvironment);
327
122
  AddOption("--experimental-policy",
328
            "use the specified file as a "
329
            "security policy",
330
            &EnvironmentOptions::experimental_policy,
331
122
            kAllowedInEnvironment);
332
122
  AddOption("[has_policy_integrity_string]",
333
            "",
334
122
            &EnvironmentOptions::has_policy_integrity_string);
335
122
  AddOption("--policy-integrity",
336
            "ensure the security policy contents match "
337
            "the specified integrity",
338
            &EnvironmentOptions::experimental_policy_integrity,
339
122
            kAllowedInEnvironment);
340
122
  Implies("--policy-integrity", "[has_policy_integrity_string]");
341
122
  AddOption("--experimental-repl-await",
342
            "experimental await keyword support in REPL",
343
            &EnvironmentOptions::experimental_repl_await,
344
122
            kAllowedInEnvironment);
345
122
  AddOption("--experimental-vm-modules",
346
            "experimental ES Module support in vm module",
347
            &EnvironmentOptions::experimental_vm_modules,
348
122
            kAllowedInEnvironment);
349
122
  AddOption("--experimental-worker", "", NoOp{}, kAllowedInEnvironment);
350
122
  AddOption("--experimental-report", "", NoOp{}, kAllowedInEnvironment);
351
122
  AddOption("--experimental-wasi-unstable-preview1",
352
            "experimental WASI support",
353
            &EnvironmentOptions::experimental_wasi,
354
122
            kAllowedInEnvironment);
355
122
  AddOption("--expose-internals", "", &EnvironmentOptions::expose_internals);
356
122
  AddOption("--frozen-intrinsics",
357
            "experimental frozen intrinsics support",
358
            &EnvironmentOptions::frozen_intrinsics,
359
122
            kAllowedInEnvironment);
360
122
  AddOption("--heapsnapshot-signal",
361
            "Generate heap snapshot on specified signal",
362
            &EnvironmentOptions::heap_snapshot_signal,
363
122
            kAllowedInEnvironment);
364
122
  AddOption("--heapsnapshot-near-heap-limit",
365
            "Generate heap snapshots whenever V8 is approaching "
366
            "the heap limit. No more than the specified number of "
367
            "heap snapshots will be generated.",
368
            &EnvironmentOptions::heap_snapshot_near_heap_limit,
369
122
            kAllowedInEnvironment);
370
122
  AddOption("--http-parser", "", NoOp{}, kAllowedInEnvironment);
371
122
  AddOption("--insecure-http-parser",
372
            "use an insecure HTTP parser that accepts invalid HTTP headers",
373
            &EnvironmentOptions::insecure_http_parser,
374
122
            kAllowedInEnvironment);
375
122
  AddOption("--input-type",
376
            "set module type for string input",
377
            &EnvironmentOptions::module_type,
378
122
            kAllowedInEnvironment);
379
122
  AddOption("--experimental-specifier-resolution",
380
            "Select extension resolution algorithm for es modules; "
381
            "either 'explicit' (default) or 'node'",
382
            &EnvironmentOptions::experimental_specifier_resolution,
383
122
            kAllowedInEnvironment);
384
122
  AddAlias("--es-module-specifier-resolution",
385
122
           "--experimental-specifier-resolution");
386
122
  AddOption("--no-deprecation",
387
            "silence deprecation warnings",
388
            &EnvironmentOptions::no_deprecation,
389
122
            kAllowedInEnvironment);
390
122
  AddOption("--no-force-async-hooks-checks",
391
            "disable checks for async_hooks",
392
            &EnvironmentOptions::no_force_async_hooks_checks,
393
122
            kAllowedInEnvironment);
394
122
  AddOption("--no-warnings",
395
            "silence all process warnings",
396
            &EnvironmentOptions::no_warnings,
397
122
            kAllowedInEnvironment);
398
122
  AddOption("--force-context-aware",
399
            "disable loading non-context-aware addons",
400
            &EnvironmentOptions::force_context_aware,
401
122
            kAllowedInEnvironment);
402
122
  AddOption("--pending-deprecation",
403
            "emit pending deprecation warnings",
404
            &EnvironmentOptions::pending_deprecation,
405
122
            kAllowedInEnvironment);
406
122
  AddOption("--preserve-symlinks",
407
            "preserve symbolic links when resolving",
408
            &EnvironmentOptions::preserve_symlinks,
409
122
            kAllowedInEnvironment);
410
122
  AddOption("--preserve-symlinks-main",
411
            "preserve symbolic links when resolving the main module",
412
            &EnvironmentOptions::preserve_symlinks_main,
413
122
            kAllowedInEnvironment);
414
122
  AddOption("--prof",
415
            "Generate V8 profiler output.",
416
122
            V8Option{});
417
122
  AddOption("--prof-process",
418
            "process V8 profiler output generated using --prof",
419
122
            &EnvironmentOptions::prof_process);
420
  // Options after --prof-process are passed through to the prof processor.
421
122
  AddAlias("--prof-process", { "--prof-process", "--" });
422
#if HAVE_INSPECTOR
423
122
  AddOption("--cpu-prof",
424
            "Start the V8 CPU profiler on start up, and write the CPU profile "
425
            "to disk before exit. If --cpu-prof-dir is not specified, write "
426
            "the profile to the current working directory.",
427
122
            &EnvironmentOptions::cpu_prof);
428
122
  AddOption("--cpu-prof-name",
429
            "specified file name of the V8 CPU profile generated with "
430
            "--cpu-prof",
431
122
            &EnvironmentOptions::cpu_prof_name);
432
122
  AddOption("--cpu-prof-interval",
433
            "specified sampling interval in microseconds for the V8 CPU "
434
            "profile generated with --cpu-prof. (default: 1000)",
435
122
            &EnvironmentOptions::cpu_prof_interval);
436
122
  AddOption("--cpu-prof-dir",
437
            "Directory where the V8 profiles generated by --cpu-prof will be "
438
            "placed. Does not affect --prof.",
439
122
            &EnvironmentOptions::cpu_prof_dir);
440
122
  AddOption(
441
      "--heap-prof",
442
      "Start the V8 heap profiler on start up, and write the heap profile "
443
      "to disk before exit. If --heap-prof-dir is not specified, write "
444
      "the profile to the current working directory.",
445
122
      &EnvironmentOptions::heap_prof);
446
122
  AddOption("--heap-prof-name",
447
            "specified file name of the V8 heap profile generated with "
448
            "--heap-prof",
449
122
            &EnvironmentOptions::heap_prof_name);
450
122
  AddOption("--heap-prof-dir",
451
            "Directory where the V8 heap profiles generated by --heap-prof "
452
            "will be placed.",
453
122
            &EnvironmentOptions::heap_prof_dir);
454
122
  AddOption("--heap-prof-interval",
455
            "specified sampling interval in bytes for the V8 heap "
456
            "profile generated with --heap-prof. (default: 512 * 1024)",
457
122
            &EnvironmentOptions::heap_prof_interval);
458
#endif  // HAVE_INSPECTOR
459
122
  AddOption("--max-http-header-size",
460
            "set the maximum size of HTTP headers (default: 16384 (16KB))",
461
            &EnvironmentOptions::max_http_header_size,
462
122
            kAllowedInEnvironment);
463
122
  AddOption("--redirect-warnings",
464
            "write warnings to file instead of stderr",
465
            &EnvironmentOptions::redirect_warnings,
466
122
            kAllowedInEnvironment);
467
122
  AddOption("--test-udp-no-try-send", "",  // For testing only.
468
122
            &EnvironmentOptions::test_udp_no_try_send);
469
122
  AddOption("--throw-deprecation",
470
            "throw an exception on deprecations",
471
            &EnvironmentOptions::throw_deprecation,
472
122
            kAllowedInEnvironment);
473
122
  AddOption("--trace-atomics-wait",
474
            "trace Atomics.wait() operations",
475
            &EnvironmentOptions::trace_atomics_wait,
476
122
            kAllowedInEnvironment);
477
122
  AddOption("--trace-deprecation",
478
            "show stack traces on deprecations",
479
            &EnvironmentOptions::trace_deprecation,
480
122
            kAllowedInEnvironment);
481
122
  AddOption("--trace-exit",
482
            "show stack trace when an environment exits",
483
            &EnvironmentOptions::trace_exit,
484
122
            kAllowedInEnvironment);
485
122
  AddOption("--trace-sync-io",
486
            "show stack trace when use of sync IO is detected after the "
487
            "first tick",
488
            &EnvironmentOptions::trace_sync_io,
489
122
            kAllowedInEnvironment);
490
122
  AddOption("--trace-tls",
491
            "prints TLS packet trace information to stderr",
492
            &EnvironmentOptions::trace_tls,
493
122
            kAllowedInEnvironment);
494
122
  AddOption("--trace-uncaught",
495
            "show stack traces for the `throw` behind uncaught exceptions",
496
            &EnvironmentOptions::trace_uncaught,
497
122
            kAllowedInEnvironment);
498
122
  AddOption("--trace-warnings",
499
            "show stack traces on process warnings",
500
            &EnvironmentOptions::trace_warnings,
501
122
            kAllowedInEnvironment);
502
122
  AddOption("--unhandled-rejections",
503
            "define unhandled rejections behavior. Options are 'strict' (raise "
504
            "an error), 'warn' (enforce warnings) or 'none' (silence warnings)",
505
            &EnvironmentOptions::unhandled_rejections,
506
122
            kAllowedInEnvironment);
507
122
  AddOption("--verify-base-objects",
508
            "", /* undocumented, only for debugging */
509
            &EnvironmentOptions::verify_base_objects,
510
122
            kAllowedInEnvironment);
511
512
122
  AddOption("--check",
513
            "syntax check script without executing",
514
122
            &EnvironmentOptions::syntax_check_only);
515
122
  AddAlias("-c", "--check");
516
  // This option is only so that we can tell --eval with an empty string from
517
  // no eval at all. Having it not start with a dash makes it inaccessible
518
  // from the parser itself, but available for using Implies().
519
  // TODO(addaleax): When moving --help over to something generated from the
520
  // programmatic descriptions, this will need some special care.
521
  // (See also [ssl_openssl_cert_store] below.)
522
122
  AddOption("[has_eval_string]", "", &EnvironmentOptions::has_eval_string);
523
122
  AddOption("--eval", "evaluate script", &EnvironmentOptions::eval_string);
524
122
  Implies("--eval", "[has_eval_string]");
525
122
  AddOption("--print",
526
            "evaluate script and print result",
527
122
            &EnvironmentOptions::print_eval);
528
122
  AddAlias("-e", "--eval");
529
122
  AddAlias("--print <arg>", "-pe");
530
122
  AddAlias("-pe", { "--print", "--eval" });
531
122
  AddAlias("-p", "--print");
532
122
  AddOption("--require",
533
            "module to preload (option can be repeated)",
534
            &EnvironmentOptions::preload_modules,
535
122
            kAllowedInEnvironment);
536
122
  AddAlias("-r", "--require");
537
122
  AddOption("--interactive",
538
            "always enter the REPL even if stdin does not appear "
539
            "to be a terminal",
540
122
            &EnvironmentOptions::force_repl);
541
122
  AddAlias("-i", "--interactive");
542
543
122
  AddOption("--napi-modules", "", NoOp{}, kAllowedInEnvironment);
544
545
122
  AddOption("--tls-keylog",
546
            "log TLS decryption keys to named file for traffic analysis",
547
122
            &EnvironmentOptions::tls_keylog, kAllowedInEnvironment);
548
549
122
  AddOption("--tls-min-v1.0",
550
            "set default TLS minimum to TLSv1.0 (default: TLSv1.2)",
551
            &EnvironmentOptions::tls_min_v1_0,
552
122
            kAllowedInEnvironment);
553
122
  AddOption("--tls-min-v1.1",
554
            "set default TLS minimum to TLSv1.1 (default: TLSv1.2)",
555
            &EnvironmentOptions::tls_min_v1_1,
556
122
            kAllowedInEnvironment);
557
122
  AddOption("--tls-min-v1.2",
558
            "set default TLS minimum to TLSv1.2 (default: TLSv1.2)",
559
            &EnvironmentOptions::tls_min_v1_2,
560
122
            kAllowedInEnvironment);
561
122
  AddOption("--tls-min-v1.3",
562
            "set default TLS minimum to TLSv1.3 (default: TLSv1.2)",
563
            &EnvironmentOptions::tls_min_v1_3,
564
122
            kAllowedInEnvironment);
565
122
  AddOption("--tls-max-v1.2",
566
            "set default TLS maximum to TLSv1.2 (default: TLSv1.3)",
567
            &EnvironmentOptions::tls_max_v1_2,
568
122
            kAllowedInEnvironment);
569
  // Current plan is:
570
  // - 11.x and below: TLS1.3 is opt-in with --tls-max-v1.3
571
  // - 12.x: TLS1.3 is opt-out with --tls-max-v1.2
572
  // In either case, support both options they are uniformly available.
573
122
  AddOption("--tls-max-v1.3",
574
            "set default TLS maximum to TLSv1.3 (default: TLSv1.3)",
575
            &EnvironmentOptions::tls_max_v1_3,
576
122
            kAllowedInEnvironment);
577
122
}
578
579
122
PerIsolateOptionsParser::PerIsolateOptionsParser(
580
122
  const EnvironmentOptionsParser& eop) {
581
122
  AddOption("--track-heap-objects",
582
            "track heap object allocations for heap snapshots",
583
            &PerIsolateOptions::track_heap_objects,
584
122
            kAllowedInEnvironment);
585
122
  AddOption("--no-node-snapshot",
586
            "",  // It's a debug-only option.
587
            &PerIsolateOptions::no_node_snapshot,
588
122
            kAllowedInEnvironment);
589
590
  // Explicitly add some V8 flags to mark them as allowed in NODE_OPTIONS.
591
122
  AddOption("--abort-on-uncaught-exception",
592
            "aborting instead of exiting causes a core file to be generated "
593
            "for analysis",
594
122
            V8Option{},
595
122
            kAllowedInEnvironment);
596
122
  AddOption("--interpreted-frames-native-stack",
597
            "help system profilers to translate JavaScript interpreted frames",
598
122
            V8Option{}, kAllowedInEnvironment);
599
122
  AddOption("--max-old-space-size", "", V8Option{}, kAllowedInEnvironment);
600
122
  AddOption("--perf-basic-prof", "", V8Option{}, kAllowedInEnvironment);
601
122
  AddOption("--perf-basic-prof-only-functions",
602
            "",
603
122
            V8Option{},
604
122
            kAllowedInEnvironment);
605
122
  AddOption("--perf-prof", "", V8Option{}, kAllowedInEnvironment);
606
122
  AddOption("--perf-prof-unwinding-info",
607
            "",
608
122
            V8Option{},
609
122
            kAllowedInEnvironment);
610
122
  AddOption("--stack-trace-limit", "", V8Option{}, kAllowedInEnvironment);
611
122
  AddOption("--disallow-code-generation-from-strings",
612
            "disallow eval and friends",
613
122
            V8Option{},
614
122
            kAllowedInEnvironment);
615
122
  AddOption("--huge-max-old-generation-size",
616
             "increase default maximum heap size on machines with 16GB memory "
617
             "or more",
618
122
             V8Option{},
619
122
             kAllowedInEnvironment);
620
122
  AddOption("--jitless",
621
             "disable runtime allocation of executable memory",
622
122
             V8Option{},
623
122
             kAllowedInEnvironment);
624
122
  AddOption("--report-uncaught-exception",
625
            "generate diagnostic report on uncaught exceptions",
626
            &PerIsolateOptions::report_uncaught_exception,
627
122
            kAllowedInEnvironment);
628
122
  AddOption("--report-on-signal",
629
            "generate diagnostic report upon receiving signals",
630
            &PerIsolateOptions::report_on_signal,
631
122
            kAllowedInEnvironment);
632
122
  AddOption("--report-signal",
633
            "causes diagnostic report to be produced on provided signal,"
634
            " unsupported in Windows. (default: SIGUSR2)",
635
            &PerIsolateOptions::report_signal,
636
122
            kAllowedInEnvironment);
637
122
  Implies("--report-signal", "--report-on-signal");
638
639
122
  AddOption("--experimental-top-level-await",
640
            "",
641
            &PerIsolateOptions::experimental_top_level_await,
642
122
            kAllowedInEnvironment);
643
122
  AddOption("--harmony-top-level-await", "", V8Option{});
644
122
  Implies("--experimental-top-level-await", "--harmony-top-level-await");
645
122
  Implies("--harmony-top-level-await", "--experimental-top-level-await");
646
122
  ImpliesNot("--no-harmony-top-level-await", "--experimental-top-level-await");
647
648
122
  Insert(eop, &PerIsolateOptions::get_per_env_options);
649
122
}
650
651
122
PerProcessOptionsParser::PerProcessOptionsParser(
652
122
  const PerIsolateOptionsParser& iop) {
653
122
  AddOption("--title",
654
            "the process title to use on startup",
655
            &PerProcessOptions::title,
656
122
            kAllowedInEnvironment);
657
122
  AddOption("--trace-event-categories",
658
            "comma separated list of trace event categories to record",
659
            &PerProcessOptions::trace_event_categories,
660
122
            kAllowedInEnvironment);
661
122
  AddOption("--trace-event-file-pattern",
662
            "Template string specifying the filepath for the trace-events "
663
            "data, it supports ${rotation} and ${pid}.",
664
            &PerProcessOptions::trace_event_file_pattern,
665
122
            kAllowedInEnvironment);
666
488
  AddAlias("--trace-events-enabled", {
667
366
    "--trace-event-categories", "v8,node,node.async_hooks" });
668
122
  AddOption("--v8-pool-size",
669
            "set V8's thread pool size",
670
            &PerProcessOptions::v8_thread_pool_size,
671
122
            kAllowedInEnvironment);
672
122
  AddOption("--zero-fill-buffers",
673
            "automatically zero-fill all newly allocated Buffer and "
674
            "SlowBuffer instances",
675
            &PerProcessOptions::zero_fill_all_buffers,
676
122
            kAllowedInEnvironment);
677
122
  AddOption("--debug-arraybuffer-allocations",
678
            "", /* undocumented, only for debugging */
679
            &PerProcessOptions::debug_arraybuffer_allocations,
680
122
            kAllowedInEnvironment);
681
122
  AddOption("--disable-proto",
682
            "disable Object.prototype.__proto__",
683
            &PerProcessOptions::disable_proto,
684
122
            kAllowedInEnvironment);
685
686
  // 12.x renamed this inadvertently, so alias it for consistency within the
687
  // release line, while using the original name for consistency with older
688
  // release lines.
689
122
  AddOption("--security-revert", "", &PerProcessOptions::security_reverts);
690
122
  AddAlias("--security-reverts", "--security-revert");
691
122
  AddOption("--completion-bash",
692
            "print source-able bash completion script",
693
122
            &PerProcessOptions::print_bash_completion);
694
122
  AddOption("--help",
695
            "print node command line options",
696
122
            &PerProcessOptions::print_help);
697
122
  AddAlias("-h", "--help");
698
122
  AddOption(
699
122
      "--version", "print Node.js version", &PerProcessOptions::print_version);
700
122
  AddAlias("-v", "--version");
701
122
  AddOption("--v8-options",
702
            "print V8 command line options",
703
122
            &PerProcessOptions::print_v8_help);
704
122
  AddOption("--report-compact",
705
            "output compact single-line JSON",
706
            &PerProcessOptions::report_compact,
707
122
            kAllowedInEnvironment);
708
122
  AddOption("--report-dir",
709
            "define custom report pathname."
710
            " (default: current working directory)",
711
            &PerProcessOptions::report_directory,
712
122
            kAllowedInEnvironment);
713
122
  AddAlias("--report-directory", "--report-dir");
714
122
  AddOption("--report-filename",
715
            "define custom report file name."
716
            " (default: YYYYMMDD.HHMMSS.PID.SEQUENCE#.txt)",
717
            &PerProcessOptions::report_filename,
718
122
            kAllowedInEnvironment);
719
122
  AddOption("--report-on-fatalerror",
720
              "generate diagnostic report on fatal (internal) errors",
721
              &PerProcessOptions::report_on_fatalerror,
722
122
              kAllowedInEnvironment);
723
724
#ifdef NODE_HAVE_I18N_SUPPORT
725
122
  AddOption("--icu-data-dir",
726
            "set ICU data load path to dir (overrides NODE_ICU_DATA)"
727
#ifndef NODE_HAVE_SMALL_ICU
728
            " (note: linked-in ICU data is present)\n"
729
#endif
730
            ,
731
            &PerProcessOptions::icu_data_dir,
732
122
            kAllowedInEnvironment);
733
#endif
734
735
#if HAVE_OPENSSL
736
122
  AddOption("--openssl-config",
737
            "load OpenSSL configuration from the specified file "
738
            "(overrides OPENSSL_CONF)",
739
            &PerProcessOptions::openssl_config,
740
122
            kAllowedInEnvironment);
741
122
  AddOption("--tls-cipher-list",
742
            "use an alternative default TLS cipher list",
743
            &PerProcessOptions::tls_cipher_list,
744
122
            kAllowedInEnvironment);
745
122
  AddOption("--use-openssl-ca",
746
            "use OpenSSL's default CA store"
747
#if defined(NODE_OPENSSL_CERT_STORE)
748
            " (default)"
749
#endif
750
            ,
751
            &PerProcessOptions::use_openssl_ca,
752
122
            kAllowedInEnvironment);
753
122
  AddOption("--use-bundled-ca",
754
            "use bundled CA store"
755
#if !defined(NODE_OPENSSL_CERT_STORE)
756
            " (default)"
757
#endif
758
            ,
759
            &PerProcessOptions::use_bundled_ca,
760
122
            kAllowedInEnvironment);
761
  // Similar to [has_eval_string] above, except that the separation between
762
  // this and use_openssl_ca only exists for option validation after parsing.
763
  // This is not ideal.
764
122
  AddOption("[ssl_openssl_cert_store]",
765
            "",
766
122
            &PerProcessOptions::ssl_openssl_cert_store);
767
122
  Implies("--use-openssl-ca", "[ssl_openssl_cert_store]");
768
122
  ImpliesNot("--use-bundled-ca", "[ssl_openssl_cert_store]");
769
#if NODE_FIPS_MODE
770
  AddOption("--enable-fips",
771
            "enable FIPS crypto at startup",
772
            &PerProcessOptions::enable_fips_crypto,
773
            kAllowedInEnvironment);
774
  AddOption("--force-fips",
775
            "force FIPS crypto (cannot be disabled)",
776
            &PerProcessOptions::force_fips_crypto,
777
            kAllowedInEnvironment);
778
#endif
779
122
  AddOption("--secure-heap",
780
            "total size of the OpenSSL secure heap",
781
            &PerProcessOptions::secure_heap,
782
122
            kAllowedInEnvironment);
783
122
  AddOption("--secure-heap-min",
784
            "minimum allocation size from the OpenSSL secure heap",
785
            &PerProcessOptions::secure_heap_min,
786
122
            kAllowedInEnvironment);
787
#endif
788
122
  AddOption("--use-largepages",
789
            "Map the Node.js static code to large pages. Options are "
790
            "'off' (the default value, meaning do not map), "
791
            "'on' (map and ignore failure, reporting it to stderr), "
792
            "or 'silent' (map and silently ignore failure)",
793
            &PerProcessOptions::use_largepages,
794
122
            kAllowedInEnvironment);
795
796
122
  AddOption("--trace-sigint",
797
            "enable printing JavaScript stacktrace on SIGINT",
798
            &PerProcessOptions::trace_sigint,
799
122
            kAllowedInEnvironment);
800
801
122
  Insert(iop, &PerProcessOptions::get_per_isolate_options);
802
803
122
  AddOption("--node-memory-debug",
804
            "Run with extra debug checks for memory leaks in Node.js itself",
805
122
            NoOp{}, kAllowedInEnvironment);
806
122
  Implies("--node-memory-debug", "--debug-arraybuffer-allocations");
807
122
  Implies("--node-memory-debug", "--verify-base-objects");
808
122
}
809
810
inline std::string RemoveBrackets(const std::string& host) {
811
  if (!host.empty() && host.front() == '[' && host.back() == ']')
812
    return host.substr(1, host.size() - 2);
813
  else
814
    return host;
815
}
816
817
inline int ParseAndValidatePort(const std::string& port,
818
                                std::vector<std::string>* errors) {
819
  char* endptr;
820
  errno = 0;
821
  const unsigned long result =                 // NOLINT(runtime/int)
822
    strtoul(port.c_str(), &endptr, 10);
823
  if (errno != 0 || *endptr != '\0'||
824
      (result != 0 && result < 1024) || result > 65535) {
825
    errors->push_back(" must be 0 or in range 1024 to 65535.");
826
  }
827
  return static_cast<int>(result);
828
}
829
830
HostPort SplitHostPort(const std::string& arg,
831
                      std::vector<std::string>* errors) {
832
  // remove_brackets only works if no port is specified
833
  // so if it has an effect only an IPv6 address was specified.
834
  std::string host = RemoveBrackets(arg);
835
  if (host.length() < arg.length())
836
    return HostPort{host, DebugOptions::kDefaultInspectorPort};
837
838
  size_t colon = arg.rfind(':');
839
  if (colon == std::string::npos) {
840
    // Either a port number or a host name.  Assume that
841
    // if it's not all decimal digits, it's a host name.
842
    for (char c : arg) {
843
      if (c < '0' || c > '9') {
844
        return HostPort{arg, DebugOptions::kDefaultInspectorPort};
845
      }
846
    }
847
    return HostPort { "", ParseAndValidatePort(arg, errors) };
848
  }
849
  // Host and port found:
850
  return HostPort { RemoveBrackets(arg.substr(0, colon)),
851
                    ParseAndValidatePort(arg.substr(colon + 1), errors) };
852
}
853
854
std::string GetBashCompletion() {
855
  Mutex::ScopedLock lock(per_process::cli_options_mutex);
856
  const auto& parser = _ppop_instance;
857
858
  std::ostringstream out;
859
860
  out << "_node_complete() {\n"
861
         "  local cur_word options\n"
862
         "  cur_word=\"${COMP_WORDS[COMP_CWORD]}\"\n"
863
         "  if [[ \"${cur_word}\" == -* ]] ; then\n"
864
         "    COMPREPLY=( $(compgen -W '";
865
866
  for (const auto& item : parser.options_) {
867
    if (item.first[0] != '[') {
868
      out << item.first << " ";
869
    }
870
  }
871
  for (const auto& item : parser.aliases_) {
872
    if (item.first[0] != '[') {
873
      out << item.first << " ";
874
    }
875
  }
876
  if (parser.aliases_.size() > 0) {
877
    out.seekp(-1, out.cur);  // Strip the trailing space
878
  }
879
880
  out << "' -- \"${cur_word}\") )\n"
881
         "    return 0\n"
882
         "  else\n"
883
         "    COMPREPLY=( $(compgen -f \"${cur_word}\") )\n"
884
         "    return 0\n"
885
         "  fi\n"
886
         "}\n"
887
         "complete -o filenames -o nospace -o bashdefault "
888
         "-F _node_complete node node_g";
889
  return out.str();
890
}
891
892
// Return a map containing all the options and their metadata as well
893
// as the aliases
894
120
void GetOptions(const FunctionCallbackInfo<Value>& args) {
895
240
  Mutex::ScopedLock lock(per_process::cli_options_mutex);
896
120
  Environment* env = Environment::GetCurrent(args);
897
120
  if (!env->has_run_bootstrapping_code()) {
898
    // No code because this is an assertion.
899
    return env->ThrowError(
900
        "Should not query options before bootstrapping is done");
901
  }
902
120
  env->set_has_serialized_options(true);
903
904
120
  Isolate* isolate = env->isolate();
905
120
  Local<Context> context = env->context();
906
907
  // Temporarily act as if the current Environment's/IsolateData's options were
908
  // the default options, i.e. like they are the ones we'd access for global
909
  // options parsing, so that all options are available from the main parser.
910
240
  auto original_per_isolate = per_process::cli_options->per_isolate;
911
120
  per_process::cli_options->per_isolate = env->isolate_data()->options();
912
240
  auto original_per_env = per_process::cli_options->per_isolate->per_env;
913
120
  per_process::cli_options->per_isolate->per_env = env->options();
914
120
  auto on_scope_leave = OnScopeLeave([&]() {
915
120
    per_process::cli_options->per_isolate->per_env = original_per_env;
916
120
    per_process::cli_options->per_isolate = original_per_isolate;
917
360
  });
918
919
120
  Local<Map> options = Map::New(isolate);
920
240
  if (options
921
360
          ->SetPrototype(context, env->primordials_safe_map_prototype_object())
922
          .IsNothing()) {
923
    return;
924
  }
925
926
14640
  for (const auto& item : _ppop_instance.options_) {
927
    Local<Value> value;
928
14520
    const auto& option_info = item.second;
929
29040
    auto field = option_info.field;
930
14520
    PerProcessOptions* opts = per_process::cli_options.get();
931


14520
    switch (option_info.type) {
932
      case kNoOp:
933
      case kV8Option:
934
        // Special case for --abort-on-uncaught-exception which is also
935
        // respected by Node.js internals
936
2280
        if (item.first == "--abort-on-uncaught-exception") {
937
120
          value = Boolean::New(
938
240
            isolate, original_per_env->abort_on_uncaught_exception);
939
        } else {
940
2160
          value = Undefined(isolate);
941
        }
942
2280
        break;
943
      case kBoolean:
944
7680
        value = Boolean::New(isolate,
945
15360
                             *_ppop_instance.Lookup<bool>(field, opts));
946
7680
        break;
947
      case kInteger:
948
480
        value = Number::New(
949
            isolate,
950
960
            static_cast<double>(*_ppop_instance.Lookup<int64_t>(field, opts)));
951
480
        break;
952
      case kUInteger:
953
360
        value = Number::New(
954
            isolate,
955
720
            static_cast<double>(*_ppop_instance.Lookup<uint64_t>(field, opts)));
956
360
        break;
957
      case kString:
958
9720
        if (!ToV8Value(context,
959
6480
                       *_ppop_instance.Lookup<std::string>(field, opts))
960
3240
                 .ToLocal(&value)) {
961
          return;
962
        }
963
3240
        break;
964
      case kStringList:
965
1080
        if (!ToV8Value(context,
966
720
                       *_ppop_instance.Lookup<StringVector>(field, opts))
967
360
                 .ToLocal(&value)) {
968
          return;
969
        }
970
360
        break;
971
      case kHostPort: {
972
        const HostPort& host_port =
973
120
          *_ppop_instance.Lookup<HostPort>(field, opts);
974
120
        Local<Object> obj = Object::New(isolate);
975
        Local<Value> host;
976

600
        if (!ToV8Value(context, host_port.host()).ToLocal(&host) ||
977

600
            obj->Set(context, env->host_string(), host).IsNothing() ||
978
240
            obj->Set(context,
979
                     env->port_string(),
980
480
                     Integer::New(isolate, host_port.port()))
981
120
                .IsNothing()) {
982
          return;
983
        }
984
120
        value = obj;
985
120
        break;
986
      }
987
      default:
988
        UNREACHABLE();
989
    }
990
14520
    CHECK(!value.IsEmpty());
991
992
29040
    Local<Value> name = ToV8Value(context, item.first).ToLocalChecked();
993
14520
    Local<Object> info = Object::New(isolate);
994
    Local<Value> help_text;
995

72600
    if (!ToV8Value(context, option_info.help_text).ToLocal(&help_text) ||
996
58080
        !info->Set(context, env->help_text_string(), help_text)
997
58080
             .FromMaybe(false) ||
998
43560
        !info->Set(context,
999
                   env->env_var_settings_string(),
1000
                   Integer::New(isolate,
1001
58080
                                static_cast<int>(option_info.env_setting)))
1002
58080
             .FromMaybe(false) ||
1003
43560
        !info->Set(context,
1004
                   env->type_string(),
1005
58080
                   Integer::New(isolate, static_cast<int>(option_info.type)))
1006
58080
             .FromMaybe(false) ||
1007

87120
        info->Set(context, env->value_string(), value).IsNothing() ||
1008
43560
        options->Set(context, name, info).IsEmpty()) {
1009
      return;
1010
    }
1011
  }
1012
1013
  Local<Value> aliases;
1014
240
  if (!ToV8Value(context, _ppop_instance.aliases_).ToLocal(&aliases)) return;
1015
1016
480
  if (aliases.As<Object>()
1017
480
          ->SetPrototype(context, env->primordials_safe_map_prototype_object())
1018
          .IsNothing()) {
1019
    return;
1020
  }
1021
1022
120
  Local<Object> ret = Object::New(isolate);
1023

600
  if (ret->Set(context, env->options_string(), options).IsNothing() ||
1024
480
      ret->Set(context, env->aliases_string(), aliases).IsNothing()) {
1025
    return;
1026
  }
1027
1028
240
  args.GetReturnValue().Set(ret);
1029
}
1030
1031
120
void Initialize(Local<Object> target,
1032
                Local<Value> unused,
1033
                Local<Context> context,
1034
                void* priv) {
1035
120
  Environment* env = Environment::GetCurrent(context);
1036
120
  Isolate* isolate = env->isolate();
1037
120
  env->SetMethodNoSideEffect(target, "getOptions", GetOptions);
1038
1039
120
  Local<Object> env_settings = Object::New(isolate);
1040
240
  NODE_DEFINE_CONSTANT(env_settings, kAllowedInEnvironment);
1041
120
  NODE_DEFINE_CONSTANT(env_settings, kDisallowedInEnvironment);
1042
480
  target
1043
600
      ->Set(
1044
720
          context, FIXED_ONE_BYTE_STRING(isolate, "envSettings"), env_settings)
1045
240
      .Check();
1046
1047
  target
1048
240
      ->Set(context,
1049
            FIXED_ONE_BYTE_STRING(env->isolate(), "shouldNotRegisterESMLoader"),
1050
480
            Boolean::New(isolate, env->should_not_register_esm_loader()))
1051
      .Check();
1052
1053
120
  Local<Object> types = Object::New(isolate);
1054
120
  NODE_DEFINE_CONSTANT(types, kNoOp);
1055
360
  NODE_DEFINE_CONSTANT(types, kV8Option);
1056
480
  NODE_DEFINE_CONSTANT(types, kBoolean);
1057
840
  NODE_DEFINE_CONSTANT(types, kInteger);
1058
1080
  NODE_DEFINE_CONSTANT(types, kUInteger);
1059
1080
  NODE_DEFINE_CONSTANT(types, kString);
1060
1080
  NODE_DEFINE_CONSTANT(types, kHostPort);
1061
1080
  NODE_DEFINE_CONSTANT(types, kStringList);
1062
1320
  target->Set(context, FIXED_ONE_BYTE_STRING(isolate, "types"), types)
1063
720
      .Check();
1064
720
}
1065
240
1066
}  // namespace options_parser
1067
1068
115
void HandleEnvOptions(std::shared_ptr<EnvironmentOptions> env_options) {
1069
690
  HandleEnvOptions(env_options, [](const char* name) {
1070
920
    std::string text;
1071

920
    return credentials::SafeGetenv(name, &text) ? text : "";
1072
115
  });
1073
115
}
1074
1075
115
void HandleEnvOptions(std::shared_ptr<EnvironmentOptions> env_options,
1076
                      std::function<std::string(const char*)> opt_getter) {
1077
230
  env_options->pending_deprecation =
1078
230
      opt_getter("NODE_PENDING_DEPRECATION") == "1";
1079
1080
115
  env_options->preserve_symlinks = opt_getter("NODE_PRESERVE_SYMLINKS") == "1";
1081
1082
230
  env_options->preserve_symlinks_main =
1083
230
      opt_getter("NODE_PRESERVE_SYMLINKS_MAIN") == "1";
1084
1085
115
  if (env_options->redirect_warnings.empty())
1086
115
    env_options->redirect_warnings = opt_getter("NODE_REDIRECT_WARNINGS");
1087
115
}
1088
1089
std::vector<std::string> ParseNodeOptionsEnvVar(
1090
    const std::string& node_options, std::vector<std::string>* errors) {
1091
  std::vector<std::string> env_argv;
1092
1093
  bool is_in_string = false;
1094
  bool will_start_new_arg = true;
1095
  for (std::string::size_type index = 0; index < node_options.size(); ++index) {
1096
    char c = node_options.at(index);
1097
1098
    // Backslashes escape the following character
1099
    if (c == '\\' && is_in_string) {
1100
      if (index + 1 == node_options.size()) {
1101
        errors->push_back("invalid value for NODE_OPTIONS "
1102
                          "(invalid escape)\n");
1103
        return env_argv;
1104
      } else {
1105
        c = node_options.at(++index);
1106
      }
1107
    } else if (c == ' ' && !is_in_string) {
1108
      will_start_new_arg = true;
1109
      continue;
1110
    } else if (c == '"') {
1111
      is_in_string = !is_in_string;
1112
      continue;
1113
    }
1114
1115
    if (will_start_new_arg) {
1116
      env_argv.emplace_back(std::string(1, c));
1117
      will_start_new_arg = false;
1118
    } else {
1119
      env_argv.back() += c;
1120
    }
1121
  }
1122
1123
  if (is_in_string) {
1124
    errors->push_back("invalid value for NODE_OPTIONS "
1125
                      "(unterminated string)\n");
1126
  }
1127
  return env_argv;
1128
}
1129
}  // namespace node
1130
1131

481
NODE_MODULE_CONTEXT_AWARE_INTERNAL(options, node::options_parser::Initialize)