Quelle nsAuthSSPI.cpp

Sprache: C

/* 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
java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for length 26

//
// Negotiate Authentication Support Module
//
// Described by IETF Internet draft: draft-brezak-kerberos-http-00.txt
// (formerly draft-brezak-spnego-http-04.txt)
//
// Also described here:
// http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnsecure/html/http-sso-1.asp
//

#include "nsAuthSSPI.h"
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
#include java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#include "nsIDNSService.h"
i nsIDNSRecord."
#include "nsNetCID.h"
#include "nsServiceManagerUtils.h"
#include const *MapErrorCode(nt rc){
java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 31
#java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length 52
"java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 40

#include <windows.h>

// for safer certificate parsing
de nssmozpkix/h
i "ss/ozpkix/java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 32

#define SEC_SUCCESS(Status)

#ifndef KERB_WRAP_NO_ENCRYPT
#  define   nsresult rv;
#endif

ifndef
#  define SECBUFFER_PADDING
#ndif

#       do_GetService(NS_D,r)java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 51
#
#

//-----------------------------------------------------------------------------

/  this, java.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 73

#ifdef
#  define (x)\
    :rv = dns->DeprecatedSyncResolve java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 60
      () ;
* ){
  switch java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
           )+/ns ;
    mPackage(package)
          mCertDERLength(0 java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
   CASE_(SEC_I_COMPLETE_AND_CONTINUE)
  ;
    CASE_(SEC_I_INCOMPLETE_CREDENTIALS)
CASE_S
    (>java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 42
    java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
    CASE_java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
    java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
CASE_java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 44
    CASE_(SEC_E_INSUFFICIENT_MEMORY)
    java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 30
  }
  return "<unknown>";
}java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
e
  java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 30
#endif

//-----------------------------------------------------------------------------

java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 36

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Range [24, 2) out of bounds for length 24

  // SSPI expects
  if (!sspi) {
    LOG(" failed);
    return NS_ERROR_UNEXPECTED;
  }

  return NS_OK;
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

//-----------------------------------------------------------------------------

java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

  nsAutoCString buf(principal);

    ("Spackage not \",package);
  / this to a value that SSPI expects.  To be consistent with IE, we
   to map '@' to '/' and canonicalize the hostname.
java.lang.StringIndexOutOfBoundsException: Range [30, 2) out of bounds for length 36
  if (index

  nsCOMPtr<if !(  java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 53
;
  if (NS_FAILED(rv))     ai.User = reinterpret_cast ()java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74

  java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0

  nullptr, pai, nullptr, nullptr, &mCred,
  // However, we should have at least hit the OS resolver once prior to&useBefore)
  / reaching this code, so provided the OS resolver has this information
  // cached, we should not have to worry about blocking on this function call
  / long  : ask canonical  e
  // might end up requiring extra network activity in cases where the OS
  // resolver might not have enough information to satisfy the request from
  // its cache.  This is not an issue in versions of Windows up to WinXP.java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 42
  nsCOMPtr<nsIDNSRecord> record;
  mozilla::java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 13
  rv void*  java.lang.StringIndexOutOfBoundsException: Range [51, 50) out of bounds for length 66

                           (java.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 58
  if (NS_FAILED() ;
  nsCOMPtr<  // Optional second input   Bindingjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
  ifjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

  java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
    -)
  f N java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
    =(,index)+""ns  ;
    LOG// security context, then we're in trouble because it means that the
  }
  return rv;
}

//-----------------------------------------------------------------------------

nsAuthSSPI::nsAuthSSPI(pType package)
            ((Cannot java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 57
      0,
      p,
      mCertDERData(java.lang.StringIndexOutOfBoundsException: Range [0, 26) out of bounds for length 21
java.lang.StringIndexOutOfBoundsException: Range [21, 20) out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
  memset(&mCtxt, 0if java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
}

:

(d |
    u java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 40
    memset(&mCred, 0, sizeof(mCred));
  }
}

void nsAuthSSPI::Reset() {
  mIsFirst = true;

            ;
    free /java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
   java.lang.StringIndexOutOfBoundsException: Range [18, 16) out of bounds for length 27
    mCertDERLength = 0          java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for length 62
  }

t.| java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
(-Djava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 42
    memset(&mCtxt, 0, sizeofjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
  java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
}

java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 44

NS_IMETHODIMP        / Create Endpoint  structure with correct size
:Init(nsACString ,uint32_t,
                  nsAString&aDomain, const &,
   java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
  LOG((        pendpoint_binding. =cbt_size;

java.lang.StringIndexOutOfBoundsException: Range [17, 2) out of bounds for length 18
;
  mCertDERData = ib[ibd.cBuffers. java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 79

  // The caller must supply a service name to be used. (For why we now require
  *java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 38
  java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 64

  nsresult rv;

/  ijava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 74
  if (!sspi) {
            java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 33
    if (        crypto java.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 67
}
  SEC_WCHAR* package;

  package}

if  =java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 38
    =java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
    rvjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20
    // SSPI expects

    java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 0
    int32_t mCertDERData  java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
    if (index == kNotFound) return NS_ERROR_UNEXPECTED
    mServiceName.index,  /';
  } else {
    // Kerberos requires the canonical host, MakeSN takes care of this through a
    // DNS lookup.
    rv if(CtxtdwLower |mCtxt. | | java.lang.StringIndexOutOfBoundsException: Index 75 out of bounds for length 75
returnrv;
  }

  mServiceFlags = aServiceFlags;

  SECURITY_STATUS rc;

  PSecPkgInfoW pinfo;
  *sn =(EC_WCHAR*)SN.et()
if rc =SEC_E_OK {
    LOG(("%S package not found\n", package));
return java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for length 31
  }
  java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35
>java.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 35

  java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 25

  SEC_WINNT_AUTH_IDENTITY_W
IDENTITY_W*pai=nullptr;

  // domain, username, and password will be null if nsHttpNTLMAuth's(InitializeSecurityContextfailed [c=ld%],r, (rc))
  // ChallengeReceived returns false for identityInvalid. Use default
  // credentials in this case by passing null for pai.
   !)&!) java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53
ib0.java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 47
java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 26
    java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds for length 36
java.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 22
    ai.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
ai.DomainLength =mDomain.()
    ai.User = reinterpret_cast<unsigned                              )
    ai if([0.=ib[]pvBuffer java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
< short*>.()java.lang.StringIndexOutOfBoundsException: Index 78 out of bounds for length 78
    ai.PasswordLength = mPassword.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
    ai.java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
    pai = &ai;
  }

~java.lang.StringIndexOutOfBoundsException: Range [15, 13) out of bounds for length 17
                                         java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 0
                                         ;
   r = java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 49

  staticjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 21
  secBuffersjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18
mozilla:sjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 70
        _AUTH
?
            : NTLM_MODULE_WIN_API_DIRECT) // SSPI
    sTelemetrySent = true;
  }

  LOG(("AcquireCredentialsHandle() succeeded.\n"));
;
}

// The arguments inToken and inTokenLen are used to pass in the server
// certificate (when available) in the first call of the function. The
// second time these arguments hold an input token.
NS_IMETHODIMP
sAuthSSPI:GetNextToken(const void* inToken, uint32_t inTokenLen,
                         void** outToken,java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  // String for end-point bindings.
  const if (SEC_SUCCESS){
  ) - 1java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53

  SECURITY_STATUS rc;* =v*p
MS_TimeStamp ;

  DWORD ctxAttr, ctxReq = 0;
  CtxtHandle*p=.[.java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 29
  SecBufferDesc ibd
  // Optional second input buffer for the CBT (Channel Binding Token)
  SecBuffer ib[2], ob;
  // Pointer to the block of memory that stores the CBT
  char* sspi_cbt = nullptr;
  SEC_CHANNEL_BINDINGS pendpoint_binding;

  LOG(("entering nsAuthSSPI::GetNextToken()\n"));

  if (!mCred.dwLower && !mCred.dwUpper) {
    LOG(("nsAuthSSPI::GetNextToken(), not initialized. exiting."));
    return NS_ERROR_NOT_INITIALIZED;
  }

  if (mServiceFlags & REQ_DELEGATE) ctxReq |= ISC_REQ_DELEGATE;
  if (mServiceFlags & REQ_MUTUAL_AUTH) ctxReq |= ISC_REQ_MUTUAL_AUTH;

  if (inToken) {
    if (mIsFirst) {
      // First time if it comes with a token,
      // the token represents the server certificate.
      mIsFirst = false;
      mCertDERLength = inTokenLen;
      mCertDERData = moz_xmalloc(inTokenLen);
      memcpy(mCertDERData, inToken, inTokenLen);

      // We are starting a new authentication sequence.
      // If we have already initialized our
      // security context, then we're in trouble because it means that the
      // first sequence failed.  We need to bail or else we might end up in
      // an infinite loop.
      if (mCtxt.dwLower || mCtxt.dwUpper) {
        LOG(("Cannot restart authentication sequence!"));
        return NS_ERROR_UNEXPECTED;
      }
      ctxIn = nullptr;
      // The certificate needs to be erased before being passed
      // to InitializeSecurityContextW().
      inToken = nullptr;
      inTokenLen = 0;
    } else {
      ibd.ulVersion = SECBUFFER_VERSION;
      ibd.cBuffers = 0;
      ibd.pBuffers = ib;

      // If we have stored a certificate, the Channel Binding Token
      // needs to be generated and sent in the first input buffer.
      if (mCertDERLength > 0) {
        // Default to SHA256 for compatibility, but detect SHA384 and SHA512
        uint32_t hashAlgorithm = nsICryptoHash::SHA256;
        uint32_t hashSize = 32;  // SHA256 hash size

        // Compute the hash size.
        [&]() {
          if (!mozilla::StaticPrefs::network_auth_sspi_detect_hash()) {
            // This check only exists to make sure that the hash algorithm check
            // doesn't break previous working behaviour.
            return;
          }
          using namespace mozilla::pkix;
          Input certDER;

          mozilla::pkix::Result pkixResult = certDER.Init(
              static_cast<const uint8_t*>(mCertDERData), mCertDERLength);
          if (pkixResult != Success) {
            return;
          }

          BackCert cert(certDER, EndEntityOrCA::MustBeEndEntity, nullptr);
          pkixResult = cert.Init();
          if (pkixResult != Success) {
            return;
          }

          // Parse the signature algorithm from the signed data
          der::PublicKeyAlgorithm publicKeyAlg;
          DigestAlgorithm digestAlg;
          Reader signatureAlgorithmReader(cert.GetSignedData().algorithm);
          pkixResult = der::SignatureAlgorithmIdentifierValue(
              signatureAlgorithmReader, publicKeyAlg, digestAlg);

          if (pkixResult != Success) {
            return;
          }
          // Map digest algorithms to hash algorithms for Extended Protection
          switch (digestAlg) {
            case DigestAlgorithm::sha384:
              hashAlgorithm = nsICryptoHash::SHA384;
              hashSize = 48;  // SHA384 hash size
              break;
            case DigestAlgorithm::sha512:
              hashAlgorithm = nsICryptoHash::SHA512;
              hashSize = 64;  // SHA512 hash size
              break;
            case DigestAlgorithm::sha256:
            default:
              // Use SHA256 as default for compatibility
              hashAlgorithm = nsICryptoHash::SHA256;
              hashSize = 32;
              break;
          }
        }();

        // Create Endpoint Binding structure with correct size
        const int cbt_size = hashSize + end_point_length;
        pendpoint_binding.dwInitiatorAddrType = 0;
        pendpoint_binding.cbInitiatorLength = 0;
        pendpoint_binding.dwInitiatorOffset = 0;
        pendpoint_binding.dwAcceptorAddrType = 0;
        pendpoint_binding.cbAcceptorLength = 0;
        pendpoint_binding.dwAcceptorOffset = 0;
        pendpoint_binding.cbApplicationDataLength = cbt_size;
        pendpoint_binding.dwApplicationDataOffset =
            sizeof(SEC_CHANNEL_BINDINGS);

        // Then add it to the array of sec buffers accordingly.
        ib[ibd.cBuffers].BufferType = SECBUFFER_CHANNEL_BINDINGS;
        ib[ibd.cBuffers].cbBuffer = pendpoint_binding.cbApplicationDataLength +
                                    pendpoint_binding.dwApplicationDataOffset;

        sspi_cbt = (char*)moz_xmalloc(ib[ibd.cBuffers].cbBuffer);

        // Helper to write in the memory block that stores the CBT
        char* sspi_cbt_ptr = sspi_cbt;

        ib[ibd.cBuffers].pvBuffer = sspi_cbt;
        ibd.cBuffers++;

        memcpy(sspi_cbt_ptr, &pendpoint_binding,
               pendpoint_binding.dwApplicationDataOffset);
        sspi_cbt_ptr += pendpoint_binding.dwApplicationDataOffset;

        memcpy(sspi_cbt_ptr, end_point, end_point_length);
        sspi_cbt_ptr += end_point_length;

        nsAutoCString hashString;
        nsresult rv = NS_ERROR_FAILURE;

        nsCOMPtr<nsICryptoHash> crypto;
        crypto = do_CreateInstance(NS_CRYPTO_HASH_CONTRACTID, &rv);
        if (NS_SUCCEEDED(rv)) {
          rv = crypto->Init(hashAlgorithm);
        }
        if (NS_SUCCEEDED(rv)) {
          rv = crypto->Update((unsigned char*)mCertDERData, mCertDERLength);
        }
        if (NS_SUCCEEDED(rv)) rv = crypto->Finish(false, hashString);

        if (NS_FAILED(rv)) {
          free(mCertDERData);
          mCertDERData = nullptr;
          mCertDERLength = 0;
          free(sspi_cbt);
          return rv;
        }

        // Store the computed hash in memory right after the Endpoint
        // structure and the "tls-server-end-point:" char array
        memcpy(sspi_cbt_ptr, hashString.get(), hashSize);

        // Free memory used to store the server certificate
        free(mCertDERData);
        mCertDERData = nullptr;
        mCertDERLength = 0;
      }  // End of CBT computation.

      // We always need this SECBUFFER.
      ib[ibd.cBuffers].BufferType = SECBUFFER_TOKEN;
      ib[ibd.cBuffers].cbBuffer = inTokenLen;
      ib[ibd.cBuffers].pvBuffer = (void*)inToken;
      ibd.cBuffers++;
      ctxIn = &mCtxt;
    }
  } else {  // First time and without a token (no server certificate)
    // We are starting a new authentication sequence.  If we have already
    // initialized our security context, then we're in trouble because it
    // means that the first sequence failed.  We need to bail or else we
    // might end up in an infinite loop.
    if (mCtxt.dwLower || mCtxt.dwUpper || mCertDERData || mCertDERLength) {
      LOG(("Cannot restart authentication sequence!"));
      return NS_ERROR_UNEXPECTED;
    }
    ctxIn = nullptr;
    mIsFirst = false;
  }

  obd.ulVersion = SECBUFFER_VERSION;
  obd.cBuffers = 1;
  obd.pBuffers = &ob;
  ob.BufferType = SECBUFFER_TOKEN;
  ob.cbBuffer = mMaxTokenLen;
  ob.pvBuffer = moz_xmalloc(ob.cbBuffer);
  memset(ob.pvBuffer, 0, ob.cbBuffer);

  NS_ConvertUTF8toUTF16 wSN(mServiceName);
  SEC_WCHAR* sn = (SEC_WCHAR*)wSN.get();

  rc = (sspi->InitializeSecurityContextW)(
      &mCred, ctxIn, sn, ctxReq, 0, SECURITY_NATIVE_DREP,
      inToken ? &ibd : nullptr, 0, &mCtxt, &obd, &ctxAttr, &ignored);
  if (rc == SEC_I_CONTINUE_NEEDED || rc == SEC_E_OK) {
    if (rc == SEC_E_OK)
      LOG(("InitializeSecurityContext: succeeded.\n"));
    else
      LOG(("InitializeSecurityContext: continue.\n"));

    if (sspi_cbt) free(sspi_cbt);

    if (!ob.cbBuffer) {
      free(ob.pvBuffer);
      ob.pvBuffer = nullptr;
    }
    *outToken = ob.pvBuffer;
    *outTokenLen = ob.cbBuffer;

    if (rc == SEC_E_OK) return NS_SUCCESS_AUTH_FINISHED;

    return NS_OK;
  }

  LOG(("InitializeSecurityContext failed [rc=%ld:%s]\n", rc, MapErrorCode(rc)));
  Reset();
  free(ob.pvBuffer);
  return NS_ERROR_FAILURE;
}

NS_IMETHODIMP
nsAuthSSPI::Unwrap(const void* inToken, uint32_t inTokenLen, void** outToken,
                   uint32_t* outTokenLen) {
  SECURITY_STATUS rc;
  SecBufferDesc ibd;
  SecBuffer ib[2];

  ibd.cBuffers = 2;
  ibd.pBuffers = ib;
  ibd.ulVersion = SECBUFFER_VERSION;

  // SSPI Buf
  ib[0].BufferType = SECBUFFER_STREAM;
  ib[0].cbBuffer = inTokenLen;
  ib[0].pvBuffer = moz_xmalloc(ib[0].cbBuffer);

  memcpy(ib[0].pvBuffer, inToken, inTokenLen);

  // app data
  ib[1].BufferType = SECBUFFER_DATA;
  ib[1].cbBuffer = 0;
  ib[1].pvBuffer = nullptr;

  rc = (sspi->DecryptMessage)(&mCtxt, &ibd,
                              0,  // no sequence numbers
                              nullptr);

  if (SEC_SUCCESS(rc)) {
    // check if ib[1].pvBuffer is really just ib[0].pvBuffer, in which
    // case we can let the caller free it. Otherwise, we need to
    // clone it, and free the original
    if (ib[0].pvBuffer == ib[1].pvBuffer) {
      *outToken = ib[1].pvBuffer;
    } else {
      *outToken = moz_xmemdup(ib[1].pvBuffer, ib[1].cbBuffer);
      free(ib[0].pvBuffer);
    }
    *outTokenLen = ib[1].cbBuffer;
  } else
    free(ib[0].pvBuffer);

  if (!SEC_SUCCESS(rc)) return NS_ERROR_FAILURE;

  return NS_OK;
}

// utility class used to free memory on exit
class secBuffers {
public:
  SecBuffer ib[3];

  secBuffers() { memset(&ib, 0, sizeof(ib)); }

  ~secBuffers() {
    if (ib[0].pvBuffer) free(ib[0].pvBuffer);

    if (ib[1].pvBuffer) free(ib[1].pvBuffer);

    if (ib[2].pvBuffer) free(ib[2].pvBuffer);
  }
};

NS_IMETHODIMP
nsAuthSSPI::Wrap(const void* inToken, uint32_t inTokenLen, bool confidential,
                 void** outToken, uint32_t* outTokenLen) {
  SECURITY_STATUS rc;

  SecBufferDesc ibd;
  secBuffers bufs;
  SecPkgContext_Sizes sizes;

  rc = (sspi->QueryContextAttributesW)(&mCtxt, SECPKG_ATTR_SIZES, &sizes);

  if (!SEC_SUCCESS(rc)) return NS_ERROR_FAILURE;

  ibd.cBuffers = 3;
  ibd.pBuffers = bufs.ib;
  ibd.ulVersion = SECBUFFER_VERSION;

  // SSPI
  bufs.ib[0].cbBuffer = sizes.cbSecurityTrailer;
  bufs.ib[0].BufferType = SECBUFFER_TOKEN;
  bufs.ib[0].pvBuffer = moz_xmalloc(sizes.cbSecurityTrailer);

  // APP Data
  bufs.ib[1].BufferType = SECBUFFER_DATA;
  bufs.ib[1].pvBuffer = moz_xmalloc(inTokenLen);
  bufs.ib[1].cbBuffer = inTokenLen;

  memcpy(bufs.ib[1].pvBuffer, inToken, inTokenLen);

  // SSPI
  bufs.ib[2].BufferType = SECBUFFER_PADDING;
  bufs.ib[2].cbBuffer = sizes.cbBlockSize;
  bufs.ib[2].pvBuffer = moz_xmalloc(bufs.ib[2].cbBuffer);

  rc = (sspi->EncryptMessage)(&mCtxt, confidential ? 0 : KERB_WRAP_NO_ENCRYPT,
                              &ibd, 0);

  if (SEC_SUCCESS(rc)) {
    int len = bufs.ib[0].cbBuffer + bufs.ib[1].cbBuffer + bufs.ib[2].cbBuffer;
    char* p = (char*)moz_xmalloc(len);

    *outToken = (void*)p;
    *outTokenLen = len;

    memcpy(p, bufs.ib[0].pvBuffer, bufs.ib[0].cbBuffer);
    p += bufs.ib[0].cbBuffer;

    memcpy(p, bufs.ib[1].pvBuffer, bufs.ib[1].cbBuffer);
    p += bufs.ib[1].cbBuffer;

    memcpy(p, bufs.ib[2].pvBuffer, bufs.ib[2].cbBuffer);

    return NS_OK;
  }

  return NS_ERROR_FAILURE;
}

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