Grcov report - address

1

#include "source/common/network/address_impl.h"

2

3

#include <array>

4

#include <cstdint>

5

#include <string>

6

7

#include "envoy/common/exception.h"

8

#include "envoy/common/platform.h"

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10

#include "source/common/common/assert.h"

11

#include "source/common/common/fmt.h"

12

#include "source/common/common/safe_memcpy.h"

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#include "source/common/common/thread.h"

14

#include "source/common/common/utility.h"

15

#include "source/common/network/socket_interface.h"

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#include "source/common/runtime/runtime_features.h"

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18

namespace Envoy {

19

namespace Network {

20

namespace Address {

21

22

namespace {

23

24

// Constructs a readable string with the embedded nulls in the abstract path replaced with '@'.

25

207

std::string friendlyNameFromAbstractPath(absl::string_view path) {

26

207

  std::string friendly_name(path.data(), path.size());

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207

  std::replace(friendly_name.begin(), friendly_name.end(), '\0', '@');

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207

  return friendly_name;

29

207

30

31

3793931

const SocketInterface* sockInterfaceOrDefault(const SocketInterface* sock_interface) {

32

3793931

  return sock_interface == nullptr ? &SocketInterfaceSingleton::get() : sock_interface;

33

3793931

34

35

} // namespace

36

37

3163422

bool forceV6() {

38

#if defined(__APPLE__) || defined(__ANDROID_API__)

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  return Runtime::runtimeFeatureEnabled("envoy.reloadable_features.always_use_v6");

40

#else

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3163422

  return false;

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3163422

#endif

43

3163422

44

45

5

void ipv6ToIpv4CompatibleAddress(const struct sockaddr_in6* sin6, struct sockaddr_in* sin) {

46

#if defined(__APPLE__)

47

  *sin = {{}, AF_INET, sin6->sin6_port, {sin6->sin6_addr.__u6_addr.__u6_addr32[3]}, {}};

48

#elif defined(WIN32)

49

  struct in_addr in_v4 = {};

50

  in_v4.S_un.S_addr = reinterpret_cast<const uint32_t*>(sin6->sin6_addr.u.Byte)[3];

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  *sin = {AF_INET, sin6->sin6_port, in_v4, {}};

52

#else

53

5

  *sin = {AF_INET, sin6->sin6_port, {sin6->sin6_addr.s6_addr32[3]}, {}};

54

5

#endif

55

5

56

57

StatusOr<Address::InstanceConstSharedPtr> addressFromSockAddr(const sockaddr_storage& ss,

58

3066380

                                                              socklen_t ss_len, bool v6only) {

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3066380

  RELEASE_ASSERT(ss_len == 0 || static_cast<unsigned int>(ss_len) >= sizeof(sa_family_t), "");

60

3066380

  if (forceV6()) {

61

    v6only = false;

62

63

3066380

  switch (ss.ss_family) {

64

3033592

  case AF_INET: {

65

3033592

    RELEASE_ASSERT(ss_len == 0 || static_cast<unsigned int>(ss_len) == sizeof(sockaddr_in), "");

66

3033592

    const struct sockaddr_in* sin = reinterpret_cast<const struct sockaddr_in*>(&ss);

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3033592

    ASSERT(AF_INET == sin->sin_family);

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3033592

    return Address::InstanceFactory::createInstancePtr<Address::Ipv4Instance>(sin);

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3033592

70

32727

  case AF_INET6: {

71

32727

    RELEASE_ASSERT(ss_len == 0 || static_cast<unsigned int>(ss_len) == sizeof(sockaddr_in6), "");

72

32727

    const struct sockaddr_in6* sin6 = reinterpret_cast<const struct sockaddr_in6*>(&ss);

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32727

    ASSERT(AF_INET6 == sin6->sin6_family);

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32727

    if (!v6only && IN6_IS_ADDR_V4MAPPED(&sin6->sin6_addr)) {

75

2

      struct sockaddr_in sin;

76

2

      ipv6ToIpv4CompatibleAddress(sin6, &sin);

77

2

      return Address::InstanceFactory::createInstancePtr<Address::Ipv4Instance>(&sin);

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32725

    } else {

79

32725

      return Address::InstanceFactory::createInstancePtr<Address::Ipv6Instance>(*sin6, v6only);

80

32725

81

32727

82

30

  case AF_UNIX: {

83

30

    const struct sockaddr_un* sun = reinterpret_cast<const struct sockaddr_un*>(&ss);

84

30

    ASSERT(AF_UNIX == sun->sun_family);

85

30

    RELEASE_ASSERT(ss_len == 0 || static_cast<unsigned int>(ss_len) >=

86

30

                                      offsetof(struct sockaddr_un, sun_path) + 1,

87

30

                   "");

88

30

    return Address::InstanceFactory::createInstancePtr<Address::PipeInstance>(sun, ss_len);

89

30

90

1

  default:

91

1

    return absl::InvalidArgumentError(fmt::format("Unexpected sockaddr family: {}", ss.ss_family));

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3066380

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3066380

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95

Address::InstanceConstSharedPtr

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2852615

addressFromSockAddrOrDie(const sockaddr_storage& ss, socklen_t ss_len, os_fd_t fd, bool v6only) {

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  // Set v6only to false so that mapped-v6 address can be normalize to v4

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  // address. Though dual stack may be disabled, it's still okay to assume the

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  // address is from a dual stack socket. This is because mapped-v6 address

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  // must come from a dual stack socket. An actual v6 address can come from

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  // both dual stack socket and v6 only socket. If |peer_addr| is an actual v6

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  // address and the socket is actually v6 only, the returned address will be

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  // regarded as a v6 address from dual stack socket. However, this address is not going to be

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  // used to create socket. Wrong knowledge of dual stack support won't hurt.

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2852615

  StatusOr<Address::InstanceConstSharedPtr> address =

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2852615

      Address::addressFromSockAddr(ss, ss_len, v6only);

107

2852615

  if (!address.ok()) {

108

    PANIC(fmt::format("Invalid address for fd: {}, error: {}", fd, address.status().ToString()));

109

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2852615

  return *address;

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2852615

112

113

Ipv4Instance::Ipv4Instance(const sockaddr_in* address, const SocketInterface* sock_interface,

114

                           absl::optional<std::string> network_namespace)

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19544

    : InstanceBase(Type::Ip, sockInterfaceOrDefault(sock_interface)),

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19544

      network_namespace_(network_namespace) {

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19544

  THROW_IF_NOT_OK(validateProtocolSupported());

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19544

  initHelper(address);

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19544

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121

Ipv4Instance::Ipv4Instance(const std::string& address, const SocketInterface* sock_interface,

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                           absl::optional<std::string> network_namespace)

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90130

    : Ipv4Instance(address, 0, sockInterfaceOrDefault(sock_interface), network_namespace) {}

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125

Ipv4Instance::Ipv4Instance(const std::string& address, uint32_t port,

126

                           const SocketInterface* sock_interface,

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                           absl::optional<std::string> network_namespace)

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156638

    : InstanceBase(Type::Ip, sockInterfaceOrDefault(sock_interface)),

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156638

      network_namespace_(network_namespace) {

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156638

  THROW_IF_NOT_OK(validateProtocolSupported());

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156638

  memset(&ip_.ipv4_.address_, 0, sizeof(ip_.ipv4_.address_));

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156638

  ip_.ipv4_.address_.sin_family = AF_INET;

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156638

  ip_.ipv4_.address_.sin_port = htons(port);

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156638

  int rc = inet_pton(AF_INET, address.c_str(), &ip_.ipv4_.address_.sin_addr);

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156638

  if (1 != rc) {

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9

    throwEnvoyExceptionOrPanic(fmt::format("invalid ipv4 address '{}'", address));

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9

138

139

156629

  friendly_name_ = absl::StrCat(address, ":", port);

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156629

  ip_.friendly_address_ = address;

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156629

142

143

Ipv4Instance::Ipv4Instance(uint32_t port, const SocketInterface* sock_interface,

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                           absl::optional<std::string> network_namespace)

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42044

    : InstanceBase(Type::Ip, sockInterfaceOrDefault(sock_interface)),

146

42044

      network_namespace_(network_namespace) {

147

42044

  THROW_IF_NOT_OK(validateProtocolSupported());

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42044

  memset(&ip_.ipv4_.address_, 0, sizeof(ip_.ipv4_.address_));

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42044

  ip_.ipv4_.address_.sin_family = AF_INET;

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42044

  ip_.ipv4_.address_.sin_port = htons(port);

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42044

  ip_.ipv4_.address_.sin_addr.s_addr = INADDR_ANY;

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42044

  friendly_name_ = absl::StrCat("0.0.0.0:", port);

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42044

  ip_.friendly_address_ = "0.0.0.0";

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42044

155

156

Ipv4Instance::Ipv4Instance(absl::Status& status, const sockaddr_in* address,

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                           const SocketInterface* sock_interface,

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                           absl::optional<std::string> network_namespace)

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3335455

    : InstanceBase(Type::Ip, sockInterfaceOrDefault(sock_interface)),

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3335455

      network_namespace_(network_namespace) {

161

3335455

  status = validateProtocolSupported();

162

3335455

  if (!status.ok()) {

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4

    return;

164

4

165

3335451

  initHelper(address);

166

3335451

167

168

Ipv4Instance::Ipv4Instance(const Ipv4Instance& that,

169

                           const absl::optional<std::string>& network_namespace)

170

10

    : InstanceBase(Type::Ip, &that.socket_interface_), ip_(that.ip_),

171

10

      network_namespace_(network_namespace) {

172

10

  friendly_name_ = that.friendly_name_;

173

10

174

175

1144

bool Ipv4Instance::operator==(const Instance& rhs) const {

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1144

  const Ipv4Instance* rhs_casted = dynamic_cast<const Ipv4Instance*>(&rhs);

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1144

  return (rhs_casted && (ip_.ipv4_.address() == rhs_casted->ip_.ipv4_.address()) &&

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1144

          (ip_.port() == rhs_casted->ip_.port()) && (networkNamespace() == rhs.networkNamespace()));

179

1144

180

181

3354696

std::string Ipv4Instance::sockaddrToString(const sockaddr_in& addr) {

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3354696

  static constexpr size_t BufferSize = 16; // enough space to hold an IPv4 address in string form

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3354696

  char str[BufferSize];

184

  // Write backwards from the end of the buffer for simplicity.

185

3354696

  char* start = str + BufferSize;

186

3354696

  uint32_t ipv4_addr = ntohl(addr.sin_addr.s_addr);

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16772112

  for (unsigned i = 4; i != 0; i--, ipv4_addr >>= 8) {

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13417416

    uint32_t octet = ipv4_addr & 0xff;

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13417416

    if (octet == 0) {

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6770049

      ASSERT(start > str);

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6770049

      *--start = '0';

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6793033

    } else {

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13152962

      do {

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13152962

        ASSERT(start > str);

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13152962

        *--start = '0' + (octet % 10);

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13152962

        octet /= 10;

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13152962

      } while (octet != 0);

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6647367

199

13417416

    if (i != 1) {

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10063359

      ASSERT(start > str);

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10063359

      *--start = '.';

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10063359

203

13417416

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3354696

  const std::string::size_type end = str + BufferSize - start;

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3354696

  return {start, end};

206

3354696

207

208

namespace {

209

std::atomic<bool> force_ipv4_unsupported_for_test = false;

210

211

212

2

Cleanup Ipv4Instance::forceProtocolUnsupportedForTest(bool new_val) {

213

2

  bool old_val = force_ipv4_unsupported_for_test.load();

214

2

  force_ipv4_unsupported_for_test.store(new_val);

215

2

  return {[old_val]() { force_ipv4_unsupported_for_test.store(old_val); }};

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2

217

218

3553706

absl::Status Ipv4Instance::validateProtocolSupported() {

219

3553706

  static const bool supported = SocketInterfaceSingleton::get().ipFamilySupported(AF_INET);

220

3553817

  if (supported && !force_ipv4_unsupported_for_test.load(std::memory_order_relaxed)) {

221

3553764

    return absl::OkStatus();

222

3553764

223

40

  return absl::FailedPreconditionError("IPv4 addresses are not supported on this machine");

224

3553706

225

226

3354867

void Ipv4Instance::initHelper(const sockaddr_in* address) {

227

3354867

  memset(&ip_.ipv4_.address_, 0, sizeof(ip_.ipv4_.address_));

228

3354867

  ip_.ipv4_.address_ = *address;

229

3354867

  ip_.friendly_address_ = sockaddrToString(*address);

230

231

  // Based on benchmark testing, this reserve+append implementation runs faster than absl::StrCat.

232

3354867

  fmt::format_int port(ntohs(address->sin_port));

233

3354867

  friendly_name_.reserve(ip_.friendly_address_.size() + 1 + port.size());

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3354867

  friendly_name_.append(ip_.friendly_address_);

235

3354867

  friendly_name_.push_back(':');

236

3354867

  friendly_name_.append(port.data(), port.size());

237

3354867

238

239

35759

absl::uint128 Ipv6Instance::Ipv6Helper::address() const {

240

35759

  absl::uint128 result{0};

241

35759

  static_assert(sizeof(absl::uint128) == 16, "The size of absl::uint128 is not 16.");

242

35759

  safeMemcpyUnsafeSrc(&result, &address_.sin6_addr.s6_addr[0]);

243

35759

  return result;

244

35759

245

246

32

uint32_t Ipv6Instance::Ipv6Helper::scopeId() const { return address_.sin6_scope_id; }

247

248

115408

uint32_t Ipv6Instance::Ipv6Helper::port() const { return ntohs(address_.sin6_port); }

249

250

1075

bool Ipv6Instance::Ipv6Helper::v6only() const { return v6only_; };

251

252

114280

std::string Ipv6Instance::Ipv6Helper::makeFriendlyAddress() const {

253

114280

  return makeFriendlyAddress(address_);

254

114280

255

256

114289

std::string Ipv6Instance::Ipv6Helper::makeFriendlyAddress(const sockaddr_in6& address) {

257

114289

  char str[INET6_ADDRSTRLEN];

258

114289

  const char* ptr = inet_ntop(AF_INET6, &address.sin6_addr, str, INET6_ADDRSTRLEN);

259

114289

  ASSERT(str == ptr);

260

114289

  if (address.sin6_scope_id != 0) {

261

    // Note that here we don't use the `if_indextoname` that will give a more user friendly

262

    // output just because in the past created a performance bottleneck if the machine had a

263

    // lot of IPv6 Link local addresses.

264

10682

    return absl::StrCat(ptr, "%", address.sin6_scope_id);

265

10682

266

103607

  return ptr;

267

114289

268

269

4

InstanceConstSharedPtr Ipv6Instance::Ipv6Helper::v4CompatibleAddress() const {

270

4

  if (!v6only_ && IN6_IS_ADDR_V4MAPPED(&address_.sin6_addr)) {

271

3

    struct sockaddr_in sin;

272

3

    ipv6ToIpv4CompatibleAddress(&address_, &sin);

273

3

    auto addr = Address::InstanceFactory::createInstancePtr<Address::Ipv4Instance>(&sin);

274

3

    return addr.ok() ? addr.value() : nullptr;

275

3

276

1

  return nullptr;

277

4

278

279

88

InstanceConstSharedPtr Ipv6Instance::Ipv6Helper::addressWithoutScopeId() const {

280

88

  struct sockaddr_in6 ret_addr = address_;

281

88

  ret_addr.sin6_scope_id = 0;

282

88

  auto addr = Address::InstanceFactory::createInstancePtr<Address::Ipv6Instance>(ret_addr, v6only_);

283

88

  return addr.ok() ? addr.value() : nullptr;

284

88

285

286

Ipv6Instance::Ipv6Instance(const sockaddr_in6& address, bool v6only,

287

                           const SocketInterface* sock_interface,

288

                           absl::optional<std::string> network_namespace)

289

474

    : InstanceBase(Type::Ip, sockInterfaceOrDefault(sock_interface)),

290

474

      network_namespace_(network_namespace) {

291

474

  THROW_IF_NOT_OK(validateProtocolSupported());

292

474

  initHelper(address, v6only);

293

474

294

295

Ipv6Instance::Ipv6Instance(const std::string& address, const SocketInterface* sock_interface,

296

                           absl::optional<std::string> network_namespace)

297

159

    : Ipv6Instance(address, 0, sockInterfaceOrDefault(sock_interface), true /* v6only */,

298

159

                   network_namespace) {}

299

300

Ipv6Instance::Ipv6Instance(const std::string& address, uint32_t port,

301

                           const SocketInterface* sock_interface, bool v6only,

302

                           absl::optional<std::string> network_namespace)

303

35234

    : InstanceBase(Type::Ip, sockInterfaceOrDefault(sock_interface)),

304

35234

      network_namespace_(network_namespace) {

305

35234

  THROW_IF_NOT_OK(validateProtocolSupported());

306

35234

  sockaddr_in6 addr_in;

307

35234

  memset(&addr_in, 0, sizeof(addr_in));

308

35234

  addr_in.sin6_family = AF_INET6;

309

35234

  addr_in.sin6_port = htons(port);

310

35234

  if (!address.empty()) {

311

419

    if (1 != inet_pton(AF_INET6, address.c_str(), &addr_in.sin6_addr)) {

312

4

      throwEnvoyExceptionOrPanic(fmt::format("invalid ipv6 address '{}'", address));

313

4

314

35217

  } else {

315

34815

    addr_in.sin6_addr = in6addr_any;

316

34815

317

35230

  initHelper(addr_in, v6only);

318

35230

319

320

Ipv6Instance::Ipv6Instance(uint32_t port, const SocketInterface* sock_interface,

321

                           absl::optional<std::string> network_namespace)

322

34815

    : Ipv6Instance("", port, sockInterfaceOrDefault(sock_interface), true /* v6only */,

323

34815

                   network_namespace) {}

324

325

46

bool Ipv6Instance::operator==(const Instance& rhs) const {

326

46

  const auto* rhs_casted = dynamic_cast<const Ipv6Instance*>(&rhs);

327

46

  return (rhs_casted && (ip_.ipv6_.address() == rhs_casted->ip_.ipv6_.address()) &&

328

46

          (ip_.port() == rhs_casted->ip_.port()) &&

329

46

          (ip_.ipv6_.scopeId() == rhs_casted->ip_.ipv6_.scopeId()) &&

330

46

          (networkNamespace() == rhs.networkNamespace()));

331

46

332

333

Ipv6Instance::Ipv6Instance(absl::Status& status, const sockaddr_in6& address, bool v6only,

334

                           const SocketInterface* sock_interface,

335

                           absl::optional<std::string> network_namespace)

336

78580

    : InstanceBase(Type::Ip, sockInterfaceOrDefault(sock_interface)),

337

78580

      network_namespace_(network_namespace) {

338

78580

  status = validateProtocolSupported();

339

78580

  if (!status.ok()) {

340

4

    return;

341

4

342

78576

  initHelper(address, v6only);

343

78576

344

345

Ipv6Instance::Ipv6Instance(const Ipv6Instance& that,

346

                           const absl::optional<std::string>& network_namespace)

347

7

    : InstanceBase(Type::Ip, &that.socket_interface_), ip_(that.ip_),

348

7

      network_namespace_(network_namespace) {

349

7

  friendly_name_ = that.friendly_name_;

350

7

351

352

9

std::string Ipv6Instance::sockaddrToString(const sockaddr_in6& addr) {

353

9

  return Ipv6Helper::makeFriendlyAddress(addr);

354

9

355

356

namespace {

357

std::atomic<bool> force_ipv6_unsupported_for_test = false;

358

359

360

3

Cleanup Ipv6Instance::forceProtocolUnsupportedForTest(bool new_val) {

361

3

  bool old_val = force_ipv6_unsupported_for_test.load();

362

3

  force_ipv6_unsupported_for_test.store(new_val);

363

3

  return {[old_val]() { force_ipv6_unsupported_for_test.store(old_val); }};

364

3

365

366

114288

absl::Status Ipv6Instance::validateProtocolSupported() {

367

114288

  static const bool supported = SocketInterfaceSingleton::get().ipFamilySupported(AF_INET6);

368

114288

  if (supported && !force_ipv6_unsupported_for_test.load(std::memory_order_relaxed)) {

369

114284

    return absl::OkStatus();

370

114284

371

4

  return absl::FailedPreconditionError("IPv6 addresses are not supported on this machine");

372

114288

373

374

114280

void Ipv6Instance::initHelper(const sockaddr_in6& address, bool v6only) {

375

114280

  ip_.ipv6_.address_ = address;

376

114280

  ip_.friendly_address_ = ip_.ipv6_.makeFriendlyAddress();

377

114280

  ip_.ipv6_.v6only_ = v6only;

378

114280

  friendly_name_ = fmt::format("[{}]:{}", ip_.friendly_address_, ip_.port());

379

114280

380

381

absl::StatusOr<std::unique_ptr<PipeInstance>>

382

PipeInstance::create(const sockaddr_un* address, socklen_t ss_len, mode_t mode,

383

1

                     const SocketInterface* sock_interface) {

384

1

  absl::Status creation_status = absl::OkStatus();

385

1

  auto ret = std::unique_ptr<PipeInstance>(

386

1

      new PipeInstance(creation_status, address, ss_len, mode, sock_interface));

387

1

  RETURN_IF_NOT_OK(creation_status);

388

  return ret;

389

1

390

391

absl::StatusOr<std::unique_ptr<PipeInstance>>

392

PipeInstance::create(const std::string& pipe_path, mode_t mode,

393

624

                     const SocketInterface* sock_interface) {

394

624

  absl::Status creation_status = absl::OkStatus();

395

624

  auto ret = std::unique_ptr<PipeInstance>(

396

624

      new PipeInstance(pipe_path, mode, sock_interface, creation_status));

397

624

  RETURN_IF_NOT_OK(creation_status);

398

621

  return ret;

399

624

400

401

PipeInstance::PipeInstance(const std::string& pipe_path, mode_t mode,

402

                           const SocketInterface* sock_interface, absl::Status& creation_status)

403

624

    : InstanceBase(Type::Pipe, sockInterfaceOrDefault(sock_interface)) {

404

624

  if (pipe_path.size() >= sizeof(pipe_.address_.sun_path)) {

405

1

    creation_status = absl::InvalidArgumentError(

406

1

        fmt::format("Path \"{}\" exceeds maximum UNIX domain socket path size of {}.", pipe_path,

407

1

                    sizeof(pipe_.address_.sun_path)));

408

1

    return;

409

1

410

623

  memset(&pipe_.address_, 0, sizeof(pipe_.address_));

411

623

  pipe_.address_.sun_family = AF_UNIX;

412

623

  if (pipe_path[0] == '@') {

413

    // This indicates an abstract namespace.

414

    // In this case, null bytes in the name have no special significance, and so we copy all

415

    // characters of pipe_path to sun_path, including null bytes in the name. The pathname must also

416

    // be null terminated. The friendly name is the address path with embedded nulls replaced with

417

    // '@' for consistency with the first character.

418

#if !defined(__linux__)

419

    creation_status =

420

        absl::InvalidArgumentError("Abstract AF_UNIX sockets are only supported on linux.");

421

    return;

422

#endif

423

196

    if (mode != 0) {

424

1

      creation_status = absl::InvalidArgumentError("Cannot set mode for Abstract AF_UNIX sockets");

425

1

      return;

426

1

427

195

    pipe_.abstract_namespace_ = true;

428

195

    pipe_.address_length_ = pipe_path.size();

429

    // The following statement is safe since pipe_path size was checked at the beginning of this

430

    // function

431

195

    memcpy(&pipe_.address_.sun_path[0], pipe_path.data(), pipe_path.size()); // NOLINT(safe-memcpy)

432

195

    pipe_.address_.sun_path[0] = '\0';

433

195

    pipe_.address_.sun_path[pipe_path.size()] = '\0';

434

195

    friendly_name_ = friendlyNameFromAbstractPath(

435

195

        absl::string_view(pipe_.address_.sun_path, pipe_.address_length_));

436

587

  } else {

437

    // return an error if the pipe path has an embedded null character.

438

427

    if (pipe_path.size() != strlen(pipe_path.c_str())) {

439

1

      creation_status = absl::InvalidArgumentError(

440

1

          "UNIX domain socket pathname contains embedded null characters");

441

1

      return;

442

1

443

426

    StringUtil::strlcpy(&pipe_.address_.sun_path[0], pipe_path.c_str(),

444

426

                        sizeof(pipe_.address_.sun_path));

445

426

    friendly_name_ = pipe_.address_.sun_path;

446

426

447

621

  pipe_.mode_ = mode;

448

621

449

450

PipeInstance::PipeInstance(absl::Status& error, const sockaddr_un* address, socklen_t ss_len,

451

                           mode_t mode, const SocketInterface* sock_interface)

452

31

    : InstanceBase(Type::Pipe, sockInterfaceOrDefault(sock_interface)) {

453

31

  if (address->sun_path[0] == '\0') {

454

#if !defined(__linux__)

455

    error = absl::FailedPreconditionError("Abstract AF_UNIX sockets are only supported on linux.");

456

    return;

457

#endif

458

13

    RELEASE_ASSERT(static_cast<unsigned int>(ss_len) >= offsetof(struct sockaddr_un, sun_path) + 1,

459

13

                   "");

460

13

    pipe_.abstract_namespace_ = true;

461

13

    pipe_.address_length_ = ss_len - offsetof(struct sockaddr_un, sun_path);

462

13

463

31

  error = initHelper(address, mode);

464

31

465

466

23

bool PipeInstance::operator==(const Instance& rhs) const { return asString() == rhs.asString(); }

467

468

31

absl::Status PipeInstance::initHelper(const sockaddr_un* address, mode_t mode) {

469

31

  pipe_.address_ = *address;

470

31

  if (pipe_.abstract_namespace_) {

471

13

    if (mode != 0) {

472

1

      return absl::FailedPreconditionError("Cannot set mode for Abstract AF_UNIX sockets");

473

1

474

    // Replace all null characters with '@' in friendly_name_.

475

12

    friendly_name_ = friendlyNameFromAbstractPath(

476

12

        absl::string_view(pipe_.address_.sun_path, pipe_.address_length_));

477

18

  } else {

478

18

    friendly_name_ = address->sun_path;

479

18

480

30

  pipe_.mode_ = mode;

481

30

  return absl::OkStatus();

482

31

483

484

EnvoyInternalInstance::EnvoyInternalInstance(const std::string& address_id,

485

                                             const std::string& endpoint_id,

486

                                             const SocketInterface* sock_interface)

487

187

    : InstanceBase(Type::EnvoyInternal, sockInterfaceOrDefault(sock_interface)),

488

187

      internal_address_(address_id, endpoint_id) {

489

187

  friendly_name_ = absl::StrCat("envoy://", address_id, "/", endpoint_id);

490

187

491

492

61

bool EnvoyInternalInstance::operator==(const Instance& rhs) const {

493

61

  return rhs.type() == Type::EnvoyInternal && asString() == rhs.asString();

494

61

495

496

} // namespace Address

497

} // namespace Network

498

} // namespace Envoy