DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Header

Mercurial (409f3966645a)

VCS Links

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 *
 * 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 "nsPK11TokenDB.h"

#include <string.h>

#include "ScopedNSSTypes.h"
#include "mozilla/Casting.h"
#include "mozilla/Unused.h"
#include "nsISupports.h"
#include "nsNSSComponent.h"
#include "nsPromiseFlatString.h"
#include "nsReadableUtils.h"
#include "nsServiceManagerUtils.h"
#include "prerror.h"
#include "secerr.h"

extern mozilla::LazyLogModule gPIPNSSLog;

NS_IMPL_ISUPPORTS(nsPK11Token, nsIPK11Token)

nsPK11Token::nsPK11Token(PK11SlotInfo* slot)
  : mUIContext(new PipUIContext())
{
  MOZ_ASSERT(slot);
  mSlot.reset(PK11_ReferenceSlot(slot));
  mIsInternalCryptoToken = PK11_IsInternal(mSlot.get()) &&
                           !PK11_IsInternalKeySlot(mSlot.get());
  mIsInternalKeyToken = PK11_IsInternalKeySlot(mSlot.get());
  mSeries = PK11_GetSlotSeries(slot);
  Unused << refreshTokenInfo();
}

nsresult
nsPK11Token::refreshTokenInfo()
{
  if (mIsInternalCryptoToken) {
    nsresult rv;
    if (PK11_IsFIPS()) {
      rv = GetPIPNSSBundleString("Fips140TokenDescription", mTokenName);
    } else {
      rv = GetPIPNSSBundleString("TokenDescription", mTokenName);
    }
    if (NS_FAILED(rv)) {
      return rv;
    }
  } else if (mIsInternalKeyToken) {
    nsresult rv = GetPIPNSSBundleString("PrivateTokenDescription", mTokenName);
    if (NS_FAILED(rv)) {
      return rv;
    }
  } else {
    mTokenName.Assign(PK11_GetTokenName(mSlot.get()));
  }

  CK_TOKEN_INFO tokInfo;
  nsresult rv = MapSECStatus(PK11_GetTokenInfo(mSlot.get(), &tokInfo));
  if (NS_FAILED(rv)) {
    return rv;
  }

  // Set the Manufacturer field
  if (mIsInternalCryptoToken || mIsInternalKeyToken) {
    rv = GetPIPNSSBundleString("ManufacturerID", mTokenManufacturerID);
    if (NS_FAILED(rv)) {
      return rv;
    }
  } else {
    const char* ccManID =
      mozilla::BitwiseCast<char*, CK_UTF8CHAR*>(tokInfo.manufacturerID);
    mTokenManufacturerID.Assign(
      ccManID,
      strnlen(ccManID, sizeof(tokInfo.manufacturerID)));
    mTokenManufacturerID.Trim(" ", false, true);
  }

  // Set the Hardware Version field
  mTokenHWVersion.Truncate();
  mTokenHWVersion.AppendInt(tokInfo.hardwareVersion.major);
  mTokenHWVersion.Append('.');
  mTokenHWVersion.AppendInt(tokInfo.hardwareVersion.minor);

  // Set the Firmware Version field
  mTokenFWVersion.Truncate();
  mTokenFWVersion.AppendInt(tokInfo.firmwareVersion.major);
  mTokenFWVersion.Append('.');
  mTokenFWVersion.AppendInt(tokInfo.firmwareVersion.minor);

  // Set the Serial Number field
  const char* ccSerial =
    mozilla::BitwiseCast<char*, CK_CHAR*>(tokInfo.serialNumber);
  mTokenSerialNum.Assign(ccSerial,
                         strnlen(ccSerial, sizeof(tokInfo.serialNumber)));
  mTokenSerialNum.Trim(" ", false, true);

  return NS_OK;
}

nsresult
nsPK11Token::GetAttributeHelper(const nsACString& attribute,
                        /*out*/ nsACString& xpcomOutParam)
{
  // Handle removals/insertions.
  if (PK11_GetSlotSeries(mSlot.get()) != mSeries) {
    nsresult rv = refreshTokenInfo();
    if (NS_FAILED(rv)) {
      return rv;
    }
  }

  xpcomOutParam = attribute;
  return NS_OK;
}

NS_IMETHODIMP
nsPK11Token::GetTokenName(/*out*/ nsACString& tokenName)
{
  return GetAttributeHelper(mTokenName, tokenName);
}

NS_IMETHODIMP
nsPK11Token::GetIsInternalKeyToken(/*out*/ bool* _retval)
{
  NS_ENSURE_ARG_POINTER(_retval);
  *_retval = mIsInternalKeyToken;
  return NS_OK;
}

NS_IMETHODIMP
nsPK11Token::GetTokenManID(/*out*/ nsACString& tokenManufacturerID)
{
  return GetAttributeHelper(mTokenManufacturerID, tokenManufacturerID);
}

NS_IMETHODIMP
nsPK11Token::GetTokenHWVersion(/*out*/ nsACString& tokenHWVersion)
{
  return GetAttributeHelper(mTokenHWVersion, tokenHWVersion);
}

NS_IMETHODIMP
nsPK11Token::GetTokenFWVersion(/*out*/ nsACString& tokenFWVersion)
{
  return GetAttributeHelper(mTokenFWVersion, tokenFWVersion);
}

NS_IMETHODIMP
nsPK11Token::GetTokenSerialNumber(/*out*/ nsACString& tokenSerialNum)
{
  return GetAttributeHelper(mTokenSerialNum, tokenSerialNum);
}

NS_IMETHODIMP
nsPK11Token::IsLoggedIn(bool* _retval)
{
  NS_ENSURE_ARG_POINTER(_retval);
  *_retval = PK11_IsLoggedIn(mSlot.get(), 0);
  return NS_OK;
}

NS_IMETHODIMP
nsPK11Token::Login(bool force)
{
  nsresult rv;
  bool test;
  rv = this->NeedsLogin(&test);
  if (NS_FAILED(rv)) return rv;
  if (test && force) {
    rv = this->LogoutSimple();
    if (NS_FAILED(rv)) return rv;
  }
  rv = setPassword(mSlot.get(), mUIContext);
  if (NS_FAILED(rv)) return rv;

  return MapSECStatus(PK11_Authenticate(mSlot.get(), true, mUIContext));
}

NS_IMETHODIMP
nsPK11Token::LogoutSimple()
{
  // PK11_Logout() can fail if the user wasn't logged in beforehand. We want
  // this method to succeed even in this case, so we ignore the return value.
  Unused << PK11_Logout(mSlot.get());
  return NS_OK;
}

NS_IMETHODIMP
nsPK11Token::LogoutAndDropAuthenticatedResources()
{
  static NS_DEFINE_CID(kNSSComponentCID, NS_NSSCOMPONENT_CID);

  nsresult rv = LogoutSimple();

  if (NS_FAILED(rv))
    return rv;

  nsCOMPtr<nsINSSComponent> nssComponent(do_GetService(kNSSComponentCID, &rv));
  if (NS_FAILED(rv))
    return rv;

  return nssComponent->LogoutAuthenticatedPK11();
}

NS_IMETHODIMP
nsPK11Token::Reset()
{
  return MapSECStatus(PK11_ResetToken(mSlot.get(), nullptr));
}

NS_IMETHODIMP
nsPK11Token::GetNeedsUserInit(bool* aNeedsUserInit)
{
  NS_ENSURE_ARG_POINTER(aNeedsUserInit);
  *aNeedsUserInit = PK11_NeedUserInit(mSlot.get());
  return NS_OK;
}

NS_IMETHODIMP
nsPK11Token::CheckPassword(const nsACString& password, bool* _retval)
{
  NS_ENSURE_ARG_POINTER(_retval);
  SECStatus srv =
    PK11_CheckUserPassword(mSlot.get(), PromiseFlatCString(password).get());
  if (srv != SECSuccess) {
    *_retval =  false;
    PRErrorCode error = PR_GetError();
    if (error != SEC_ERROR_BAD_PASSWORD) {
      /* something really bad happened - throw an exception */
      return mozilla::psm::GetXPCOMFromNSSError(error);
    }
  } else {
    *_retval =  true;
  }
  return NS_OK;
}

NS_IMETHODIMP
nsPK11Token::InitPassword(const nsACString& initialPassword)
{
  const nsCString& passwordCStr = PromiseFlatCString(initialPassword);
  // PSM initializes the sqlite-backed softoken with an empty password. The
  // implementation considers this not to be a password (GetHasPassword returns
  // false), but we can't actually call PK11_InitPin again. Instead, we call
  // PK11_ChangePW with the empty password.
  bool hasPassword;
  nsresult rv = GetHasPassword(&hasPassword);
  if (NS_FAILED(rv)) {
    return rv;
  }
  if (!PK11_NeedUserInit(mSlot.get()) && !hasPassword) {
    return MapSECStatus(PK11_ChangePW(mSlot.get(), "", passwordCStr.get()));
  }
  return MapSECStatus(PK11_InitPin(mSlot.get(), "", passwordCStr.get()));
}

NS_IMETHODIMP
nsPK11Token::ChangePassword(const nsACString& oldPassword,
                            const nsACString& newPassword)
{
  // PK11_ChangePW() has different semantics for the empty string and for
  // nullptr. In order to support this difference, we need to check IsVoid() to
  // find out if our caller supplied null/undefined args or just empty strings.
  // See Bug 447589.
  return MapSECStatus(PK11_ChangePW(
    mSlot.get(),
    oldPassword.IsVoid() ? nullptr : PromiseFlatCString(oldPassword).get(),
    newPassword.IsVoid() ? nullptr : PromiseFlatCString(newPassword).get()));
}

NS_IMETHODIMP
nsPK11Token::GetHasPassword(bool* hasPassword)
{
  NS_ENSURE_ARG_POINTER(hasPassword);
  // PK11_NeedLogin returns true if the token is currently configured to require
  // the user to log in (whether or not the user is actually logged in makes no
  // difference).
  *hasPassword = PK11_NeedLogin(mSlot.get()) && !PK11_NeedUserInit(mSlot.get());
  return NS_OK;
}

NS_IMETHODIMP
nsPK11Token::NeedsLogin(bool* _retval)
{
  NS_ENSURE_ARG_POINTER(_retval);
  *_retval = PK11_NeedLogin(mSlot.get());
  return NS_OK;
}

/*=========================================================*/

NS_IMPL_ISUPPORTS(nsPK11TokenDB, nsIPK11TokenDB)

NS_IMETHODIMP
nsPK11TokenDB::GetInternalKeyToken(nsIPK11Token** _retval)
{
  NS_ENSURE_ARG_POINTER(_retval);
  UniquePK11SlotInfo slot(PK11_GetInternalKeySlot());
  if (!slot) {
    return NS_ERROR_FAILURE;
  }

  nsCOMPtr<nsIPK11Token> token = new nsPK11Token(slot.get());
  token.forget(_retval);

  return NS_OK;
}