Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	node_os.cc	Lines:	187	215	87.0 %
Date:	2022-09-19 04:21:54	Branches:	44	98	44.9 %


// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

#include "env-inl.h"
#include "node_external_reference.h"
#include "string_bytes.h"

#ifdef __MINGW32__
# include <io.h>
#endif  // __MINGW32__

#ifdef __POSIX__
# include <climits>         // PATH_MAX on Solaris.
#endif  // __POSIX__

#include <array>
#include <cerrno>
#include <cstring>

namespace node {
namespace os {

using v8::Array;
using v8::ArrayBuffer;
using v8::Boolean;
using v8::Context;
using v8::Float64Array;
using v8::FunctionCallbackInfo;
using v8::Int32;
using v8::Integer;
using v8::Isolate;
using v8::Local;
using v8::MaybeLocal;
using v8::NewStringType;
using v8::Null;
using v8::Number;
using v8::Object;
using v8::String;
using v8::Value;


static void GetHostname(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);
  char buf[UV_MAXHOSTNAMESIZE];
  size_t size = sizeof(buf);
  int r = uv_os_gethostname(buf, &size);

  if (r != 0) {
    CHECK_GE(args.Length(), 1);
    env->CollectUVExceptionInfo(args[args.Length() - 1], r,
                                "uv_os_gethostname");
    return args.GetReturnValue().SetUndefined();
  }

  args.GetReturnValue().Set(
      String::NewFromUtf8(env->isolate(), buf).ToLocalChecked());
}

static void GetOSInformation(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);
  uv_utsname_t info;
  int err = uv_os_uname(&info);

  if (err != 0) {
    CHECK_GE(args.Length(), 1);
    env->CollectUVExceptionInfo(args[args.Length() - 1], err, "uv_os_uname");
    return args.GetReturnValue().SetUndefined();
  }

  // [sysname, version, release, machine]
  Local<Value> osInformation[] = {
      String::NewFromUtf8(env->isolate(), info.sysname).ToLocalChecked(),
      String::NewFromUtf8(env->isolate(), info.version).ToLocalChecked(),
      String::NewFromUtf8(env->isolate(), info.release).ToLocalChecked(),
      String::NewFromUtf8(env->isolate(), info.machine).ToLocalChecked()};

  args.GetReturnValue().Set(Array::New(env->isolate(),
                                       osInformation,
                                       arraysize(osInformation)));
}

static void GetCPUInfo(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);
  Isolate* isolate = env->isolate();

  uv_cpu_info_t* cpu_infos;
  int count;

  int err = uv_cpu_info(&cpu_infos, &count);
  if (err)
    return;

  // It's faster to create an array packed with all the data and
  // assemble them into objects in JS than to call Object::Set() repeatedly
  // The array is in the format
  // [model, speed, (5 entries of cpu_times), model2, speed2, ...]
  std::vector<Local<Value>> result;
  result.reserve(count * 7);
  for (int i = 0; i < count; i++) {
    uv_cpu_info_t* ci = cpu_infos + i;
    result.emplace_back(OneByteString(isolate, ci->model));
    result.emplace_back(Number::New(isolate, ci->speed));
    result.emplace_back(
        Number::New(isolate, static_cast<double>(ci->cpu_times.user)));
    result.emplace_back(
        Number::New(isolate, static_cast<double>(ci->cpu_times.nice)));
    result.emplace_back(
        Number::New(isolate, static_cast<double>(ci->cpu_times.sys)));
    result.emplace_back(
        Number::New(isolate, static_cast<double>(ci->cpu_times.idle)));
    result.emplace_back(
        Number::New(isolate, static_cast<double>(ci->cpu_times.irq)));
  }

  uv_free_cpu_info(cpu_infos, count);
  args.GetReturnValue().Set(Array::New(isolate, result.data(), result.size()));
}


static void GetFreeMemory(const FunctionCallbackInfo<Value>& args) {
  double amount = static_cast<double>(uv_get_free_memory());
  args.GetReturnValue().Set(amount);
}


static void GetTotalMemory(const FunctionCallbackInfo<Value>& args) {
  double amount = static_cast<double>(uv_get_total_memory());
  args.GetReturnValue().Set(amount);
}


static void GetUptime(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);
  double uptime;
  int err = uv_uptime(&uptime);
  if (err != 0) {
    env->CollectUVExceptionInfo(args[args.Length() - 1], err, "uv_uptime");
    return args.GetReturnValue().SetUndefined();
  }

  args.GetReturnValue().Set(uptime);
}


static void GetLoadAvg(const FunctionCallbackInfo<Value>& args) {
  CHECK(args[0]->IsFloat64Array());
  Local<Float64Array> array = args[0].As<Float64Array>();
  CHECK_EQ(array->Length(), 3);
  Local<ArrayBuffer> ab = array->Buffer();
  double* loadavg = static_cast<double*>(ab->Data());
  uv_loadavg(loadavg);
}


static void GetInterfaceAddresses(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);
  Isolate* isolate = env->isolate();
  uv_interface_address_t* interfaces;
  int count, i;
  char ip[INET6_ADDRSTRLEN];
  char netmask[INET6_ADDRSTRLEN];
  std::array<char, 18> mac;
  Local<String> name, family;

  int err = uv_interface_addresses(&interfaces, &count);

  if (err == UV_ENOSYS)
    return args.GetReturnValue().SetUndefined();

  if (err) {
    CHECK_GE(args.Length(), 1);
    env->CollectUVExceptionInfo(args[args.Length() - 1], errno,
                                "uv_interface_addresses");
    return args.GetReturnValue().SetUndefined();
  }

  Local<Value> no_scope_id = Integer::New(isolate, -1);
  std::vector<Local<Value>> result;
  result.reserve(count * 7);
  for (i = 0; i < count; i++) {
    const char* const raw_name = interfaces[i].name;

    // Use UTF-8 on both Windows and Unixes (While it may be true that UNIX
    // systems are somewhat encoding-agnostic here, it’s more than reasonable
    // to assume UTF8 as the default as well. It’s what people will expect if
    // they name the interface from any input that uses UTF-8, which should be
    // the most frequent case by far these days.)
    name = String::NewFromUtf8(isolate, raw_name).ToLocalChecked();

    snprintf(mac.data(),
             mac.size(),
             "%02x:%02x:%02x:%02x:%02x:%02x",
             static_cast<unsigned char>(interfaces[i].phys_addr[0]),
             static_cast<unsigned char>(interfaces[i].phys_addr[1]),
             static_cast<unsigned char>(interfaces[i].phys_addr[2]),
             static_cast<unsigned char>(interfaces[i].phys_addr[3]),
             static_cast<unsigned char>(interfaces[i].phys_addr[4]),
             static_cast<unsigned char>(interfaces[i].phys_addr[5]));

    if (interfaces[i].address.address4.sin_family == AF_INET) {
      uv_ip4_name(&interfaces[i].address.address4, ip, sizeof(ip));
      uv_ip4_name(&interfaces[i].netmask.netmask4, netmask, sizeof(netmask));
      family = env->ipv4_string();
    } else if (interfaces[i].address.address4.sin_family == AF_INET6) {
      uv_ip6_name(&interfaces[i].address.address6, ip, sizeof(ip));
      uv_ip6_name(&interfaces[i].netmask.netmask6, netmask, sizeof(netmask));
      family = env->ipv6_string();
    } else {
      strncpy(ip, "<unknown sa family>", INET6_ADDRSTRLEN);
      family = env->unknown_string();
    }

    result.emplace_back(name);
    result.emplace_back(OneByteString(isolate, ip));
    result.emplace_back(OneByteString(isolate, netmask));
    result.emplace_back(family);
    result.emplace_back(FIXED_ONE_BYTE_STRING(isolate, mac));
    result.emplace_back(
        interfaces[i].is_internal ? True(isolate) : False(isolate));
    if (interfaces[i].address.address4.sin_family == AF_INET6) {
      uint32_t scopeid = interfaces[i].address.address6.sin6_scope_id;
      result.emplace_back(Integer::NewFromUnsigned(isolate, scopeid));
    } else {
      result.emplace_back(no_scope_id);
    }
  }

  uv_free_interface_addresses(interfaces, count);
  args.GetReturnValue().Set(Array::New(isolate, result.data(), result.size()));
}


static void GetHomeDirectory(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);
  char buf[PATH_MAX];

  size_t len = sizeof(buf);
  const int err = uv_os_homedir(buf, &len);

  if (err) {
    CHECK_GE(args.Length(), 1);
    env->CollectUVExceptionInfo(args[args.Length() - 1], err, "uv_os_homedir");
    return args.GetReturnValue().SetUndefined();
  }

  Local<String> home = String::NewFromUtf8(env->isolate(),
                                           buf,
                                           NewStringType::kNormal,
                                           len).ToLocalChecked();
  args.GetReturnValue().Set(home);
}


static void GetUserInfo(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);
  uv_passwd_t pwd;
  enum encoding encoding;

  if (args[0]->IsObject()) {
    Local<Object> options = args[0].As<Object>();
    MaybeLocal<Value> maybe_encoding = options->Get(env->context(),
                                                    env->encoding_string());
    Local<Value> encoding_opt;
    if (!maybe_encoding.ToLocal(&encoding_opt))
        return;

    encoding = ParseEncoding(env->isolate(), encoding_opt, UTF8);
  } else {
    encoding = UTF8;
  }

  const int err = uv_os_get_passwd(&pwd);

  if (err) {
    CHECK_GE(args.Length(), 2);
    env->CollectUVExceptionInfo(args[args.Length() - 1], err,
                                "uv_os_get_passwd");
    return args.GetReturnValue().SetUndefined();
  }

  auto free_passwd = OnScopeLeave([&]() { uv_os_free_passwd(&pwd); });

  Local<Value> error;

  Local<Value> uid = Number::New(env->isolate(), pwd.uid);
  Local<Value> gid = Number::New(env->isolate(), pwd.gid);
  MaybeLocal<Value> username = StringBytes::Encode(env->isolate(),
                                                   pwd.username,
                                                   encoding,
                                                   &error);
  MaybeLocal<Value> homedir = StringBytes::Encode(env->isolate(),
                                                  pwd.homedir,
                                                  encoding,
                                                  &error);
  MaybeLocal<Value> shell;

  if (pwd.shell == nullptr)
    shell = Null(env->isolate());
  else
    shell = StringBytes::Encode(env->isolate(), pwd.shell, encoding, &error);

  if (username.IsEmpty() || homedir.IsEmpty() || shell.IsEmpty()) {
    CHECK(!error.IsEmpty());
    env->isolate()->ThrowException(error);
    return;
  }

  Local<Object> entry = Object::New(env->isolate());

  entry->Set(env->context(), env->uid_string(), uid).Check();
  entry->Set(env->context(), env->gid_string(), gid).Check();
  entry->Set(env->context(),
             env->username_string(),
             username.ToLocalChecked()).Check();
  entry->Set(env->context(),
             env->homedir_string(),
             homedir.ToLocalChecked()).Check();
  entry->Set(env->context(),
             env->shell_string(),
             shell.ToLocalChecked()).Check();

  args.GetReturnValue().Set(entry);
}


static void SetPriority(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);

  CHECK_EQ(args.Length(), 3);
  CHECK(args[0]->IsInt32());
  CHECK(args[1]->IsInt32());

  const int pid = args[0].As<Int32>()->Value();
  const int priority = args[1].As<Int32>()->Value();
  const int err = uv_os_setpriority(pid, priority);

  if (err) {
    CHECK(args[2]->IsObject());
    env->CollectUVExceptionInfo(args[2], err, "uv_os_setpriority");
  }

  args.GetReturnValue().Set(err);
}


static void GetPriority(const FunctionCallbackInfo<Value>& args) {
  Environment* env = Environment::GetCurrent(args);

  CHECK_EQ(args.Length(), 2);
  CHECK(args[0]->IsInt32());

  const int pid = args[0].As<Int32>()->Value();
  int priority;
  const int err = uv_os_getpriority(pid, &priority);

  if (err) {
    CHECK(args[1]->IsObject());
    env->CollectUVExceptionInfo(args[1], err, "uv_os_getpriority");
    return;
  }

  args.GetReturnValue().Set(priority);
}


void Initialize(Local<Object> target,
                Local<Value> unused,
                Local<Context> context,
                void* priv) {
  Environment* env = Environment::GetCurrent(context);
  SetMethod(context, target, "getHostname", GetHostname);
  SetMethod(context, target, "getLoadAvg", GetLoadAvg);
  SetMethod(context, target, "getUptime", GetUptime);
  SetMethod(context, target, "getTotalMem", GetTotalMemory);
  SetMethod(context, target, "getFreeMem", GetFreeMemory);
  SetMethod(context, target, "getCPUs", GetCPUInfo);
  SetMethod(context, target, "getInterfaceAddresses", GetInterfaceAddresses);
  SetMethod(context, target, "getHomeDirectory", GetHomeDirectory);
  SetMethod(context, target, "getUserInfo", GetUserInfo);
  SetMethod(context, target, "setPriority", SetPriority);
  SetMethod(context, target, "getPriority", GetPriority);
  SetMethod(context, target, "getOSInformation", GetOSInformation);
  target
      ->Set(context,
            FIXED_ONE_BYTE_STRING(env->isolate(), "isBigEndian"),
            Boolean::New(env->isolate(), IsBigEndian()))
      .Check();
}

void RegisterExternalReferences(ExternalReferenceRegistry* registry) {
  registry->Register(GetHostname);
  registry->Register(GetLoadAvg);
  registry->Register(GetUptime);
  registry->Register(GetTotalMemory);
  registry->Register(GetFreeMemory);
  registry->Register(GetCPUInfo);
  registry->Register(GetInterfaceAddresses);
  registry->Register(GetHomeDirectory);
  registry->Register(GetUserInfo);
  registry->Register(SetPriority);
  registry->Register(GetPriority);
  registry->Register(GetOSInformation);
}

}  // namespace os
}  // namespace node

NODE_MODULE_CONTEXT_AWARE_INTERNAL(os, node::os::Initialize)
NODE_MODULE_EXTERNAL_REFERENCE(os, node::os::RegisterExternalReferences)


Generated by: GCOVR (Version 4.2)

Line	Branch	Exec	Source
1			// Copyright Joyent, Inc. and other Node contributors.
2			//
3			// Permission is hereby granted, free of charge, to any person obtaining a
4			// copy of this software and associated documentation files (the
5			// "Software"), to deal in the Software without restriction, including
6			// without limitation the rights to use, copy, modify, merge, publish,
7			// distribute, sublicense, and/or sell copies of the Software, and to permit
8			// persons to whom the Software is furnished to do so, subject to the
9			// following conditions:
10			//
11			// The above copyright notice and this permission notice shall be included
12			// in all copies or substantial portions of the Software.
13			//
14			// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15			// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
16			// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
17			// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
18			// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
19			// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
20			// USE OR OTHER DEALINGS IN THE SOFTWARE.
21
22			#include "env-inl.h"
23			#include "node_external_reference.h"
24			#include "string_bytes.h"
25
26			#ifdef __MINGW32__
27			# include <io.h>
28			#endif // __MINGW32__
29
30			#ifdef __POSIX__
31			# include <climits> // PATH_MAX on Solaris.
32			#endif // __POSIX__
33
34			#include <array>
35			#include <cerrno>
36			#include <cstring>
37
38			namespace node {
39			namespace os {
40
41			using v8::Array;
42			using v8::ArrayBuffer;
43			using v8::Boolean;
44			using v8::Context;
45			using v8::Float64Array;
46			using v8::FunctionCallbackInfo;
47			using v8::Int32;
48			using v8::Integer;
49			using v8::Isolate;
50			using v8::Local;
51			using v8::MaybeLocal;
52			using v8::NewStringType;
53			using v8::Null;
54			using v8::Number;
55			using v8::Object;
56			using v8::String;
57			using v8::Value;
58
59
60		40	static void GetHostname(const FunctionCallbackInfo<Value>& args) {
61		40	Environment* env = Environment::GetCurrent(args);
62			char buf[UV_MAXHOSTNAMESIZE];
63		40	size_t size = sizeof(buf);
64		40	int r = uv_os_gethostname(buf, &size);
65
66	✗✓	40	if (r != 0) {
67			CHECK_GE(args.Length(), 1);
68			env->CollectUVExceptionInfo(args[args.Length() - 1], r,
69			"uv_os_gethostname");
70			return args.GetReturnValue().SetUndefined();
71			}
72
73		120	args.GetReturnValue().Set(
74		80	String::NewFromUtf8(env->isolate(), buf).ToLocalChecked());
75			}
76
77		705	static void GetOSInformation(const FunctionCallbackInfo<Value>& args) {
78		705	Environment* env = Environment::GetCurrent(args);
79			uv_utsname_t info;
80		705	int err = uv_os_uname(&info);
81
82	✗✓	705	if (err != 0) {
83			CHECK_GE(args.Length(), 1);
84			env->CollectUVExceptionInfo(args[args.Length() - 1], err, "uv_os_uname");
85			return args.GetReturnValue().SetUndefined();
86			}
87
88			// [sysname, version, release, machine]
89			Local<Value> osInformation[] = {
90		705	String::NewFromUtf8(env->isolate(), info.sysname).ToLocalChecked(),
91		705	String::NewFromUtf8(env->isolate(), info.version).ToLocalChecked(),
92		705	String::NewFromUtf8(env->isolate(), info.release).ToLocalChecked(),
93		3525	String::NewFromUtf8(env->isolate(), info.machine).ToLocalChecked()};
94
95		1410	args.GetReturnValue().Set(Array::New(env->isolate(),
96			osInformation,
97			arraysize(osInformation)));
98			}
99
100		62	static void GetCPUInfo(const FunctionCallbackInfo<Value>& args) {
101		62	Environment* env = Environment::GetCurrent(args);
102		62	Isolate* isolate = env->isolate();
103
104			uv_cpu_info_t* cpu_infos;
105			int count;
106
107		62	int err = uv_cpu_info(&cpu_infos, &count);
108	✗✓	62	if (err)
109			return;
110
111			// It's faster to create an array packed with all the data and
112			// assemble them into objects in JS than to call Object::Set() repeatedly
113			// The array is in the format
114			// [model, speed, (5 entries of cpu_times), model2, speed2, ...]
115		62	std::vector<Local<Value>> result;
116		62	result.reserve(count * 7);
117	✓✓	5518	for (int i = 0; i < count; i++) {
118		5456	uv_cpu_info_t* ci = cpu_infos + i;
119		5456	result.emplace_back(OneByteString(isolate, ci->model));
120		5456	result.emplace_back(Number::New(isolate, ci->speed));
121			result.emplace_back(
122		5456	Number::New(isolate, static_cast<double>(ci->cpu_times.user)));
123			result.emplace_back(
124		5456	Number::New(isolate, static_cast<double>(ci->cpu_times.nice)));
125			result.emplace_back(
126		5456	Number::New(isolate, static_cast<double>(ci->cpu_times.sys)));
127			result.emplace_back(
128		5456	Number::New(isolate, static_cast<double>(ci->cpu_times.idle)));
129			result.emplace_back(
130		5456	Number::New(isolate, static_cast<double>(ci->cpu_times.irq)));
131			}
132
133		62	uv_free_cpu_info(cpu_infos, count);
134		124	args.GetReturnValue().Set(Array::New(isolate, result.data(), result.size()));
135			}
136
137
138		3	static void GetFreeMemory(const FunctionCallbackInfo<Value>& args) {
139		3	double amount = static_cast<double>(uv_get_free_memory());
140		3	args.GetReturnValue().Set(amount);
141		3	}
142
143
144		133	static void GetTotalMemory(const FunctionCallbackInfo<Value>& args) {
145		133	double amount = static_cast<double>(uv_get_total_memory());
146		133	args.GetReturnValue().Set(amount);
147		133	}
148
149
150		3	static void GetUptime(const FunctionCallbackInfo<Value>& args) {
151		3	Environment* env = Environment::GetCurrent(args);
152			double uptime;
153		3	int err = uv_uptime(&uptime);
154	✗✓	3	if (err != 0) {
155			env->CollectUVExceptionInfo(args[args.Length() - 1], err, "uv_uptime");
156			return args.GetReturnValue().SetUndefined();
157			}
158
159		6	args.GetReturnValue().Set(uptime);
160			}
161
162
163	✓✗	1	static void GetLoadAvg(const FunctionCallbackInfo<Value>& args) {
164	✗✓	1	CHECK(args[0]->IsFloat64Array());
165		2	Local<Float64Array> array = args[0].As<Float64Array>();
166	✗✓	1	CHECK_EQ(array->Length(), 3);
167		1	Local<ArrayBuffer> ab = array->Buffer();
168		1	double* loadavg = static_cast<double*>(ab->Data());
169		1	uv_loadavg(loadavg);
170		1	}
171
172
173		166	static void GetInterfaceAddresses(const FunctionCallbackInfo<Value>& args) {
174		166	Environment* env = Environment::GetCurrent(args);
175		166	Isolate* isolate = env->isolate();
176			uv_interface_address_t* interfaces;
177			int count, i;
178			char ip[INET6_ADDRSTRLEN];
179			char netmask[INET6_ADDRSTRLEN];
180			std::array<char, 18> mac;
181			Local<String> name, family;
182
183		166	int err = uv_interface_addresses(&interfaces, &count);
184
185	✗✓	166	if (err == UV_ENOSYS)
186			return args.GetReturnValue().SetUndefined();
187
188	✗✓	166	if (err) {
189			CHECK_GE(args.Length(), 1);
190			env->CollectUVExceptionInfo(args[args.Length() - 1], errno,
191			"uv_interface_addresses");
192			return args.GetReturnValue().SetUndefined();
193			}
194
195		166	Local<Value> no_scope_id = Integer::New(isolate, -1);
196		166	std::vector<Local<Value>> result;
197		166	result.reserve(count * 7);
198	✓✓	830	for (i = 0; i < count; i++) {
199		664	const char* const raw_name = interfaces[i].name;
200
201			// Use UTF-8 on both Windows and Unixes (While it may be true that UNIX
202			// systems are somewhat encoding-agnostic here, it’s more than reasonable
203			// to assume UTF8 as the default as well. It’s what people will expect if
204			// they name the interface from any input that uses UTF-8, which should be
205			// the most frequent case by far these days.)
206		664	name = String::NewFromUtf8(isolate, raw_name).ToLocalChecked();
207
208		664	snprintf(mac.data(),
209			mac.size(),
210			"%02x:%02x:%02x:%02x:%02x:%02x",
211		664	static_cast<unsigned char>(interfaces[i].phys_addr[0]),
212		664	static_cast<unsigned char>(interfaces[i].phys_addr[1]),
213		664	static_cast<unsigned char>(interfaces[i].phys_addr[2]),
214		664	static_cast<unsigned char>(interfaces[i].phys_addr[3]),
215		664	static_cast<unsigned char>(interfaces[i].phys_addr[4]),
216		664	static_cast<unsigned char>(interfaces[i].phys_addr[5]));
217
218	✓✓	664	if (interfaces[i].address.address4.sin_family == AF_INET) {
219		332	uv_ip4_name(&interfaces[i].address.address4, ip, sizeof(ip));
220		332	uv_ip4_name(&interfaces[i].netmask.netmask4, netmask, sizeof(netmask));
221		332	family = env->ipv4_string();
222	✓✗	332	} else if (interfaces[i].address.address4.sin_family == AF_INET6) {
223		332	uv_ip6_name(&interfaces[i].address.address6, ip, sizeof(ip));
224		332	uv_ip6_name(&interfaces[i].netmask.netmask6, netmask, sizeof(netmask));
225		332	family = env->ipv6_string();
226			} else {
227			strncpy(ip, "<unknown sa family>", INET6_ADDRSTRLEN);
228			family = env->unknown_string();
229			}
230
231		664	result.emplace_back(name);
232		664	result.emplace_back(OneByteString(isolate, ip));
233		664	result.emplace_back(OneByteString(isolate, netmask));
234		664	result.emplace_back(family);
235		664	result.emplace_back(FIXED_ONE_BYTE_STRING(isolate, mac));
236			result.emplace_back(
237	✓✓	1328	interfaces[i].is_internal ? True(isolate) : False(isolate));
238	✓✓	664	if (interfaces[i].address.address4.sin_family == AF_INET6) {
239		332	uint32_t scopeid = interfaces[i].address.address6.sin6_scope_id;
240		332	result.emplace_back(Integer::NewFromUnsigned(isolate, scopeid));
241			} else {
242		332	result.emplace_back(no_scope_id);
243			}
244			}
245
246		166	uv_free_interface_addresses(interfaces, count);
247		332	args.GetReturnValue().Set(Array::New(isolate, result.data(), result.size()));
248			}
249
250
251		312	static void GetHomeDirectory(const FunctionCallbackInfo<Value>& args) {
252		312	Environment* env = Environment::GetCurrent(args);
253			char buf[PATH_MAX];
254
255		312	size_t len = sizeof(buf);
256		312	const int err = uv_os_homedir(buf, &len);
257
258	✗✓	312	if (err) {
259			CHECK_GE(args.Length(), 1);
260			env->CollectUVExceptionInfo(args[args.Length() - 1], err, "uv_os_homedir");
261			return args.GetReturnValue().SetUndefined();
262			}
263
264		312	Local<String> home = String::NewFromUtf8(env->isolate(),
265			buf,
266			NewStringType::kNormal,
267		624	len).ToLocalChecked();
268		624	args.GetReturnValue().Set(home);
269			}
270
271
272		3	static void GetUserInfo(const FunctionCallbackInfo<Value>& args) {
273		3	Environment* env = Environment::GetCurrent(args);
274			uv_passwd_t pwd;
275			enum encoding encoding;
276
277	✓✓	3	if (args[0]->IsObject()) {
278		4	Local<Object> options = args[0].As<Object>();
279			MaybeLocal<Value> maybe_encoding = options->Get(env->context(),
280		4	env->encoding_string());
281			Local<Value> encoding_opt;
282	✓✓	2	if (!maybe_encoding.ToLocal(&encoding_opt))
283		1	return;
284
285		1	encoding = ParseEncoding(env->isolate(), encoding_opt, UTF8);
286			} else {
287		1	encoding = UTF8;
288			}
289
290		2	const int err = uv_os_get_passwd(&pwd);
291
292	✗✓	2	if (err) {
293			CHECK_GE(args.Length(), 2);
294			env->CollectUVExceptionInfo(args[args.Length() - 1], err,
295			"uv_os_get_passwd");
296			return args.GetReturnValue().SetUndefined();
297			}
298
299		4	auto free_passwd = OnScopeLeave([&]() { uv_os_free_passwd(&pwd); });
300
301			Local<Value> error;
302
303		2	Local<Value> uid = Number::New(env->isolate(), pwd.uid);
304		2	Local<Value> gid = Number::New(env->isolate(), pwd.gid);
305			MaybeLocal<Value> username = StringBytes::Encode(env->isolate(),
306		2	pwd.username,
307			encoding,
308		2	&error);
309			MaybeLocal<Value> homedir = StringBytes::Encode(env->isolate(),
310		2	pwd.homedir,
311			encoding,
312		2	&error);
313			MaybeLocal<Value> shell;
314
315	✗✓	2	if (pwd.shell == nullptr)
316			shell = Null(env->isolate());
317			else
318		2	shell = StringBytes::Encode(env->isolate(), pwd.shell, encoding, &error);
319
320	✓✗✓✗ ✗✓✗✓	6	if (username.IsEmpty() \|\| homedir.IsEmpty() \|\| shell.IsEmpty()) {
321			CHECK(!error.IsEmpty());
322			env->isolate()->ThrowException(error);
323			return;
324			}
325
326		2	Local<Object> entry = Object::New(env->isolate());
327
328		6	entry->Set(env->context(), env->uid_string(), uid).Check();
329		6	entry->Set(env->context(), env->gid_string(), gid).Check();
330		2	entry->Set(env->context(),
331			env->username_string(),
332	✗✓	8	username.ToLocalChecked()).Check();
333		2	entry->Set(env->context(),
334			env->homedir_string(),
335	✗✓	8	homedir.ToLocalChecked()).Check();
336		2	entry->Set(env->context(),
337			env->shell_string(),
338	✗✓	8	shell.ToLocalChecked()).Check();
339
340		4	args.GetReturnValue().Set(entry);
341			}
342
343
344		80	static void SetPriority(const FunctionCallbackInfo<Value>& args) {
345		80	Environment* env = Environment::GetCurrent(args);
346
347	✗✓	80	CHECK_EQ(args.Length(), 3);
348	✗✓	80	CHECK(args[0]->IsInt32());
349	✗✓	80	CHECK(args[1]->IsInt32());
350
351	✓✗	160	const int pid = args[0].As<Int32>()->Value();
352		160	const int priority = args[1].As<Int32>()->Value();
353		80	const int err = uv_os_setpriority(pid, priority);
354
355	✓✓	80	if (err) {
356	✗✓	20	CHECK(args[2]->IsObject());
357		20	env->CollectUVExceptionInfo(args[2], err, "uv_os_setpriority");
358			}
359
360		80	args.GetReturnValue().Set(err);
361		80	}
362
363
364		60	static void GetPriority(const FunctionCallbackInfo<Value>& args) {
365		60	Environment* env = Environment::GetCurrent(args);
366
367	✗✓	60	CHECK_EQ(args.Length(), 2);
368	✗✓	60	CHECK(args[0]->IsInt32());
369
370		120	const int pid = args[0].As<Int32>()->Value();
371			int priority;
372		60	const int err = uv_os_getpriority(pid, &priority);
373
374	✗✓	60	if (err) {
375			CHECK(args[1]->IsObject());
376			env->CollectUVExceptionInfo(args[1], err, "uv_os_getpriority");
377			return;
378			}
379
380		120	args.GetReturnValue().Set(priority);
381			}
382
383
384		706	void Initialize(Local<Object> target,
385			Local<Value> unused,
386			Local<Context> context,
387			void* priv) {
388		706	Environment* env = Environment::GetCurrent(context);
389		706	SetMethod(context, target, "getHostname", GetHostname);
390		706	SetMethod(context, target, "getLoadAvg", GetLoadAvg);
391		706	SetMethod(context, target, "getUptime", GetUptime);
392		706	SetMethod(context, target, "getTotalMem", GetTotalMemory);
393		706	SetMethod(context, target, "getFreeMem", GetFreeMemory);
394		706	SetMethod(context, target, "getCPUs", GetCPUInfo);
395		706	SetMethod(context, target, "getInterfaceAddresses", GetInterfaceAddresses);
396		706	SetMethod(context, target, "getHomeDirectory", GetHomeDirectory);
397		706	SetMethod(context, target, "getUserInfo", GetUserInfo);
398		706	SetMethod(context, target, "setPriority", SetPriority);
399		706	SetMethod(context, target, "getPriority", GetPriority);
400		706	SetMethod(context, target, "getOSInformation", GetOSInformation);
401			target
402		706	->Set(context,
403			FIXED_ONE_BYTE_STRING(env->isolate(), "isBigEndian"),
404		2118	Boolean::New(env->isolate(), IsBigEndian()))
405			.Check();
406		706	}
407
408		5528	void RegisterExternalReferences(ExternalReferenceRegistry* registry) {
409		5528	registry->Register(GetHostname);
410		5528	registry->Register(GetLoadAvg);
411		5528	registry->Register(GetUptime);
412		5528	registry->Register(GetTotalMemory);
413		5528	registry->Register(GetFreeMemory);
414		5528	registry->Register(GetCPUInfo);
415		5528	registry->Register(GetInterfaceAddresses);
416		5528	registry->Register(GetHomeDirectory);
417		5528	registry->Register(GetUserInfo);
418		5528	registry->Register(SetPriority);
419		5528	registry->Register(GetPriority);
420		5528	registry->Register(GetOSInformation);
421		5528	}
422
423			} // namespace os
424			} // namespace node
425
426		5598	NODE_MODULE_CONTEXT_AWARE_INTERNAL(os, node::os::Initialize)
427		5528	NODE_MODULE_EXTERNAL_REFERENCE(os, node::os::RegisterExternalReferences)