Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	node_process_object.cc	Lines:	81	83	97.6 %
Date:	2022-08-12 04:19:25	Branches:	41	66	62.1 %


#include "env-inl.h"
#include "node_errors.h"
#include "node_external_reference.h"
#include "node_internals.h"
#include "node_metadata.h"
#include "node_options-inl.h"
#include "node_process-inl.h"
#include "node_revert.h"
#include "util-inl.h"

#include <climits>  // PATH_MAX

namespace node {
using v8::Context;
using v8::DEFAULT;
using v8::EscapableHandleScope;
using v8::Function;
using v8::FunctionCallbackInfo;
using v8::FunctionTemplate;
using v8::Integer;
using v8::Isolate;
using v8::Local;
using v8::MaybeLocal;
using v8::Name;
using v8::NewStringType;
using v8::None;
using v8::Object;
using v8::PropertyCallbackInfo;
using v8::SideEffectType;
using v8::String;
using v8::Value;

static void ProcessTitleGetter(Local<Name> property,
                               const PropertyCallbackInfo<Value>& info) {
  std::string title = GetProcessTitle("node");
  info.GetReturnValue().Set(
      String::NewFromUtf8(info.GetIsolate(), title.data(),
                          NewStringType::kNormal, title.size())
      .ToLocalChecked());
}

static void ProcessTitleSetter(Local<Name> property,
                               Local<Value> value,
                               const PropertyCallbackInfo<void>& info) {
  node::Utf8Value title(info.GetIsolate(), value);
  TRACE_EVENT_METADATA1(
      "__metadata", "process_name", "name", TRACE_STR_COPY(*title));
  uv_set_process_title(*title);
}

static void DebugPortGetter(Local<Name> property,
                            const PropertyCallbackInfo<Value>& info) {
  Environment* env = Environment::GetCurrent(info);
  ExclusiveAccess<HostPort>::Scoped host_port(env->inspector_host_port());
  int port = host_port->port();
  info.GetReturnValue().Set(port);
}

static void DebugPortSetter(Local<Name> property,
                            Local<Value> value,
                            const PropertyCallbackInfo<void>& info) {
  Environment* env = Environment::GetCurrent(info);
  int32_t port = value->Int32Value(env->context()).FromMaybe(0);

  if ((port != 0 && port < 1024) || port > 65535) {
    return THROW_ERR_OUT_OF_RANGE(
      env,
      "process.debugPort must be 0 or in range 1024 to 65535");
  }

  ExclusiveAccess<HostPort>::Scoped host_port(env->inspector_host_port());
  host_port->set_port(static_cast<int>(port));
}

static void GetParentProcessId(Local<Name> property,
                               const PropertyCallbackInfo<Value>& info) {
  info.GetReturnValue().Set(uv_os_getppid());
}

MaybeLocal<Object> CreateProcessObject(Environment* env) {
  Isolate* isolate = env->isolate();
  EscapableHandleScope scope(isolate);
  Local<Context> context = env->context();

  Local<FunctionTemplate> process_template = FunctionTemplate::New(isolate);
  process_template->SetClassName(env->process_string());
  Local<Function> process_ctor;
  Local<Object> process;
  if (!process_template->GetFunction(context).ToLocal(&process_ctor) ||
      !process_ctor->NewInstance(context).ToLocal(&process)) {
    return MaybeLocal<Object>();
  }

  // process[exiting_aliased_Uint32Array]
  if (process
          ->SetPrivate(context,
                       env->exiting_aliased_Uint32Array(),
                       env->exiting().GetJSArray())
          .IsNothing()) {
    return {};
  }

  // process.version
  READONLY_PROPERTY(process,
                    "version",
                    FIXED_ONE_BYTE_STRING(env->isolate(), NODE_VERSION));

  // process.versions
  Local<Object> versions = Object::New(env->isolate());
  READONLY_PROPERTY(process, "versions", versions);

#define V(key)                                                                 \
  if (!per_process::metadata.versions.key.empty()) {                           \
    READONLY_STRING_PROPERTY(                                                  \
        versions, #key, per_process::metadata.versions.key);                   \
  }
  NODE_VERSIONS_KEYS(V)
#undef V

  // process.arch
  READONLY_STRING_PROPERTY(process, "arch", per_process::metadata.arch);

  // process.platform
  READONLY_STRING_PROPERTY(process, "platform", per_process::metadata.platform);

  // process.release
  Local<Object> release = Object::New(env->isolate());
  READONLY_PROPERTY(process, "release", release);
  READONLY_STRING_PROPERTY(release, "name", per_process::metadata.release.name);
#if NODE_VERSION_IS_LTS
  READONLY_STRING_PROPERTY(release, "lts", per_process::metadata.release.lts);
#endif  // NODE_VERSION_IS_LTS

#ifdef NODE_HAS_RELEASE_URLS
  READONLY_STRING_PROPERTY(
      release, "sourceUrl", per_process::metadata.release.source_url);
  READONLY_STRING_PROPERTY(
      release, "headersUrl", per_process::metadata.release.headers_url);
#ifdef _WIN32
  READONLY_STRING_PROPERTY(
      release, "libUrl", per_process::metadata.release.lib_url);
#endif  // _WIN32
#endif  // NODE_HAS_RELEASE_URLS

  // process._rawDebug: may be overwritten later in JS land, but should be
  // available from the beginning for debugging purposes
  SetMethod(context, process, "_rawDebug", RawDebug);

  return scope.Escape(process);
}

void PatchProcessObject(const FunctionCallbackInfo<Value>& args) {
  Isolate* isolate = args.GetIsolate();
  Local<Context> context = isolate->GetCurrentContext();
  Environment* env = Environment::GetCurrent(context);
  CHECK(args[0]->IsObject());
  Local<Object> process = args[0].As<Object>();

  // process.title
  CHECK(process
            ->SetAccessor(
                context,
                FIXED_ONE_BYTE_STRING(isolate, "title"),
                ProcessTitleGetter,
                env->owns_process_state() ? ProcessTitleSetter : nullptr,
                Local<Value>(),
                DEFAULT,
                None,
                SideEffectType::kHasNoSideEffect)
            .FromJust());

  // process.argv
  process->Set(context,
               FIXED_ONE_BYTE_STRING(isolate, "argv"),
               ToV8Value(context, env->argv()).ToLocalChecked()).Check();

  // process.execArgv
  process->Set(context,
               FIXED_ONE_BYTE_STRING(isolate, "execArgv"),
               ToV8Value(context, env->exec_argv())
                   .ToLocalChecked()).Check();

  READONLY_PROPERTY(process, "pid",
                    Integer::New(isolate, uv_os_getpid()));

  CHECK(process->SetAccessor(context,
                             FIXED_ONE_BYTE_STRING(isolate, "ppid"),
                             GetParentProcessId).FromJust());

  // --security-revert flags
#define V(code, _, __)                                                        \
  do {                                                                        \
    if (IsReverted(SECURITY_REVERT_ ## code)) {                               \
      READONLY_PROPERTY(process, "REVERT_" #code, True(isolate));             \
    }                                                                         \
  } while (0);
  SECURITY_REVERSIONS(V)
#undef V

  // process.execPath
  process
      ->Set(context,
            FIXED_ONE_BYTE_STRING(isolate, "execPath"),
            String::NewFromUtf8(isolate,
                                env->exec_path().c_str(),
                                NewStringType::kInternalized,
                                env->exec_path().size())
                .ToLocalChecked())
      .Check();

  // process.debugPort
  CHECK(process
            ->SetAccessor(context,
                          FIXED_ONE_BYTE_STRING(isolate, "debugPort"),
                          DebugPortGetter,
                          env->owns_process_state() ? DebugPortSetter : nullptr,
                          Local<Value>())
            .FromJust());
}

void RegisterProcessExternalReferences(ExternalReferenceRegistry* registry) {
  registry->Register(RawDebug);
  registry->Register(GetParentProcessId);
  registry->Register(DebugPortSetter);
  registry->Register(DebugPortGetter);
  registry->Register(ProcessTitleSetter);
  registry->Register(ProcessTitleGetter);
}

}  // namespace node

NODE_MODULE_EXTERNAL_REFERENCE(process_object,
                               node::RegisterProcessExternalReferences)


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			#include "env-inl.h"
2			#include "node_errors.h"
3			#include "node_external_reference.h"
4			#include "node_internals.h"
5			#include "node_metadata.h"
6			#include "node_options-inl.h"
7			#include "node_process-inl.h"
8			#include "node_revert.h"
9			#include "util-inl.h"
10
11			#include <climits> // PATH_MAX
12
13			namespace node {
14			using v8::Context;
15			using v8::DEFAULT;
16			using v8::EscapableHandleScope;
17			using v8::Function;
18			using v8::FunctionCallbackInfo;
19			using v8::FunctionTemplate;
20			using v8::Integer;
21			using v8::Isolate;
22			using v8::Local;
23			using v8::MaybeLocal;
24			using v8::Name;
25			using v8::NewStringType;
26			using v8::None;
27			using v8::Object;
28			using v8::PropertyCallbackInfo;
29			using v8::SideEffectType;
30			using v8::String;
31			using v8::Value;
32
33		100	static void ProcessTitleGetter(Local<Name> property,
34			const PropertyCallbackInfo<Value>& info) {
35		100	std::string title = GetProcessTitle("node");
36		300	info.GetReturnValue().Set(
37		100	String::NewFromUtf8(info.GetIsolate(), title.data(),
38		200	NewStringType::kNormal, title.size())
39			.ToLocalChecked());
40		100	}
41
42		101	static void ProcessTitleSetter(Local<Name> property,
43			Local<Value> value,
44			const PropertyCallbackInfo<void>& info) {
45		202	node::Utf8Value title(info.GetIsolate(), value);
46	✓✓✓✓	201	TRACE_EVENT_METADATA1(
47			"__metadata", "process_name", "name", TRACE_STR_COPY(*title));
48		101	uv_set_process_title(*title);
49		101	}
50
51		195	static void DebugPortGetter(Local<Name> property,
52			const PropertyCallbackInfo<Value>& info) {
53		195	Environment* env = Environment::GetCurrent(info);
54		195	ExclusiveAccess<HostPort>::Scoped host_port(env->inspector_host_port());
55		195	int port = host_port->port();
56		390	info.GetReturnValue().Set(port);
57		195	}
58
59		28	static void DebugPortSetter(Local<Name> property,
60			Local<Value> value,
61			const PropertyCallbackInfo<void>& info) {
62		28	Environment* env = Environment::GetCurrent(info);
63	✓✓	28	int32_t port = value->Int32Value(env->context()).FromMaybe(0);
64
65	✓✓✓✓ ✓✓	28	if ((port != 0 && port < 1024) \|\| port > 65535) {
66		9	return THROW_ERR_OUT_OF_RANGE(
67			env,
68		9	"process.debugPort must be 0 or in range 1024 to 65535");
69			}
70
71		38	ExclusiveAccess<HostPort>::Scoped host_port(env->inspector_host_port());
72		19	host_port->set_port(static_cast<int>(port));
73			}
74
75		94	static void GetParentProcessId(Local<Name> property,
76			const PropertyCallbackInfo<Value>& info) {
77		94	info.GetReturnValue().Set(uv_os_getppid());
78		94	}
79
80		771	MaybeLocal<Object> CreateProcessObject(Environment* env) {
81		771	Isolate* isolate = env->isolate();
82		771	EscapableHandleScope scope(isolate);
83		771	Local<Context> context = env->context();
84
85		771	Local<FunctionTemplate> process_template = FunctionTemplate::New(isolate);
86		771	process_template->SetClassName(env->process_string());
87			Local<Function> process_ctor;
88			Local<Object> process;
89	✓✗	2313	if (!process_template->GetFunction(context).ToLocal(&process_ctor) \|\|
90	✗✓✗✓	2313	!process_ctor->NewInstance(context).ToLocal(&process)) {
91			return MaybeLocal<Object>();
92			}
93
94			// process[exiting_aliased_Uint32Array]
95		771	if (process
96		771	->SetPrivate(context,
97			env->exiting_aliased_Uint32Array(),
98		1542	env->exiting().GetJSArray())
99	✗✓	771	.IsNothing()) {
100			return {};
101			}
102
103			// process.version
104		2313	READONLY_PROPERTY(process,
105			"version",
106			FIXED_ONE_BYTE_STRING(env->isolate(), NODE_VERSION));
107
108			// process.versions
109		771	Local<Object> versions = Object::New(env->isolate());
110		1542	READONLY_PROPERTY(process, "versions", versions);
111
112			#define V(key) \
113			if (!per_process::metadata.versions.key.empty()) { \
114			READONLY_STRING_PROPERTY( \
115			versions, #key, per_process::metadata.versions.key); \
116			}
117	✓✗✓✗ ✓✗✓✗ ✓✗✓✗ ✓✗✓✗ ✓✗✓✗ ✓✗✓✗ ✓✗✓✗ ✓✗✓✗ ✓✗	53199	NODE_VERSIONS_KEYS(V)
118			#undef V
119
120			// process.arch
121		3084	READONLY_STRING_PROPERTY(process, "arch", per_process::metadata.arch);
122
123			// process.platform
124		2313	READONLY_STRING_PROPERTY(process, "platform", per_process::metadata.platform);
125
126			// process.release
127		771	Local<Object> release = Object::New(env->isolate());
128		2313	READONLY_PROPERTY(process, "release", release);
129		2313	READONLY_STRING_PROPERTY(release, "name", per_process::metadata.release.name);
130			#if NODE_VERSION_IS_LTS
131			READONLY_STRING_PROPERTY(release, "lts", per_process::metadata.release.lts);
132			#endif // NODE_VERSION_IS_LTS
133
134			#ifdef NODE_HAS_RELEASE_URLS
135			READONLY_STRING_PROPERTY(
136			release, "sourceUrl", per_process::metadata.release.source_url);
137			READONLY_STRING_PROPERTY(
138			release, "headersUrl", per_process::metadata.release.headers_url);
139			#ifdef _WIN32
140			READONLY_STRING_PROPERTY(
141			release, "libUrl", per_process::metadata.release.lib_url);
142			#endif // _WIN32
143			#endif // NODE_HAS_RELEASE_URLS
144
145			// process._rawDebug: may be overwritten later in JS land, but should be
146			// available from the beginning for debugging purposes
147		771	SetMethod(context, process, "_rawDebug", RawDebug);
148
149		771	return scope.Escape(process);
150			}
151
152		6065	void PatchProcessObject(const FunctionCallbackInfo<Value>& args) {
153		6065	Isolate* isolate = args.GetIsolate();
154		6065	Local<Context> context = isolate->GetCurrentContext();
155		6065	Environment* env = Environment::GetCurrent(context);
156	✗✓	6065	CHECK(args[0]->IsObject());
157		12130	Local<Object> process = args[0].As<Object>();
158
159			// process.title
160	✓✓✗✓	18195	CHECK(process
161			->SetAccessor(
162			context,
163			FIXED_ONE_BYTE_STRING(isolate, "title"),
164			ProcessTitleGetter,
165			env->owns_process_state() ? ProcessTitleSetter : nullptr,
166			Local<Value>(),
167			DEFAULT,
168			None,
169			SideEffectType::kHasNoSideEffect)
170			.FromJust());
171
172			// process.argv
173		6065	process->Set(context,
174			FIXED_ONE_BYTE_STRING(isolate, "argv"),
175		24260	ToV8Value(context, env->argv()).ToLocalChecked()).Check();
176
177			// process.execArgv
178		6065	process->Set(context,
179			FIXED_ONE_BYTE_STRING(isolate, "execArgv"),
180		6065	ToV8Value(context, env->exec_argv())
181		24260	.ToLocalChecked()).Check();
182
183		24260	READONLY_PROPERTY(process, "pid",
184			Integer::New(isolate, uv_os_getpid()));
185
186	✗✓	24260	CHECK(process->SetAccessor(context,
187			FIXED_ONE_BYTE_STRING(isolate, "ppid"),
188			GetParentProcessId).FromJust());
189
190			// --security-revert flags
191			#define V(code, _, __) \
192			do { \
193			if (IsReverted(SECURITY_REVERT_ ## code)) { \
194			READONLY_PROPERTY(process, "REVERT_" #code, True(isolate)); \
195			} \
196			} while (0);
197			SECURITY_REVERSIONS(V)
198			#undef V
199
200			// process.execPath
201			process
202		6065	->Set(context,
203			FIXED_ONE_BYTE_STRING(isolate, "execPath"),
204		6065	String::NewFromUtf8(isolate,
205		6065	env->exec_path().c_str(),
206			NewStringType::kInternalized,
207		6065	env->exec_path().size())
208		24260	.ToLocalChecked())
209			.Check();
210
211			// process.debugPort
212	✓✓✗✓	18195	CHECK(process
213			->SetAccessor(context,
214			FIXED_ONE_BYTE_STRING(isolate, "debugPort"),
215			DebugPortGetter,
216			env->owns_process_state() ? DebugPortSetter : nullptr,
217			Local<Value>())
218			.FromJust());
219		6065	}
220
221		5337	void RegisterProcessExternalReferences(ExternalReferenceRegistry* registry) {
222		5337	registry->Register(RawDebug);
223		5337	registry->Register(GetParentProcessId);
224		5337	registry->Register(DebugPortSetter);
225		5337	registry->Register(DebugPortGetter);
226		5337	registry->Register(ProcessTitleSetter);
227		5337	registry->Register(ProcessTitleGetter);
228		5337	}
229
230			} // namespace node
231
232		5337	NODE_MODULE_EXTERNAL_REFERENCE(process_object,
233			node::RegisterProcessExternalReferences)