/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include <cstddef>

#include <cstdint>

#include <string>

#include "cert.h"

#include "nss_scoped_ptrs.h"

#include "base/database.h"

#include "seccomon.h"

template <typename F, typename... Args>

void TestFunction(F f, Args... args) {

  PORT_Free(f(args...));

}

void TestFunction<char* (*)(CERTNameStr*), CERTNameStr*>(char* (*)(CERTNameStr*), CERTNameStr*)

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void TestFunction(F f, Args... args) {

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  PORT_Free(f(args...));

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}

void TestFunction<char* (*)(CERTNameStr const*), CERTNameStr*>(char* (*)(CERTNameStr const*), CERTNameStr*)

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void TestFunction(F f, Args... args) {

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  PORT_Free(f(args...));

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}

void TestFunction<char* (*)(CERTNameStr*, CertStrictnessLevels), CERTNameStr*, CertStrictnessLevels>(char* (*)(CERTNameStr*, CertStrictnessLevels), CERTNameStr*, CertStrictnessLevels)

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void TestFunction(F f, Args... args) {

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  PORT_Free(f(args...));

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}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {

  static NSSDatabase db = NSSDatabase();

  static CERTName* refName = CERT_AsciiToName("CN=Fuzz,O=Fuzz,C=US");

  assert(refName);

  std::string name(data, data + size);

  ScopedCERTName certName(CERT_AsciiToName(name.c_str()));

  if (!certName) {

    return 0;

  }

  TestFunction(CERT_FormatName, certName.get());

  TestFunction(CERT_NameToAscii, certName.get());

  TestFunction(CERT_GetCertEmailAddress, certName.get());

  // These functions call CERT_GetNameElement or CERT_GetLastNameElement

  // with different OIDs.  CERT_GetNameElement itself is static and not

  // accessible from here.

  TestFunction(CERT_GetCertUid, certName.get());

  TestFunction(CERT_GetCommonName, certName.get());

  TestFunction(CERT_GetCountryName, certName.get());

  TestFunction(CERT_GetDomainComponentName, certName.get());

  TestFunction(CERT_GetLocalityName, certName.get());

  TestFunction(CERT_GetOrgName, certName.get());

  TestFunction(CERT_GetOrgUnitName, certName.get());

  TestFunction(CERT_GetStateName, certName.get());

  TestFunction(CERT_NameToAsciiInvertible, certName.get(), CERT_N2A_READABLE);

  TestFunction(CERT_NameToAsciiInvertible, certName.get(), CERT_N2A_STRICT);

  TestFunction(CERT_NameToAsciiInvertible, certName.get(), CERT_N2A_INVERTIBLE);

  // Exercise CERT_CopyName round-trip.

  PORTCheapArenaPool pool;

  PORT_InitCheapArena(&pool, DER_DEFAULT_CHUNKSIZE);

  CERTName copied = {0};

  if (CERT_CopyName(&pool.arena, &copied, certName.get()) == SECSuccess) {

    (void)CERT_CompareName(certName.get(), &copied);

  }

  PORT_DestroyCheapArena(&pool);

  // Compare against a fixed reference name to exercise mismatch paths.

  (void)CERT_CompareName(certName.get(), refName);

  return 0;

}