mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
578 lines
17 KiB
C++
578 lines
17 KiB
C++
/* vim:set ts=4 sw=4 sts=4 et cindent: */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is the SSPI NegotiateAuth Module
|
|
*
|
|
* The Initial Developer of the Original Code is IBM Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 2004
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Darin Fisher <darin@meer.net>
|
|
* Jim Mathies <jmathies@mozilla.com>
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
|
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
//
|
|
// 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"
|
|
#include "nsIServiceManager.h"
|
|
#include "nsIDNSService.h"
|
|
#include "nsIDNSRecord.h"
|
|
#include "nsNetCID.h"
|
|
#include "nsCOMPtr.h"
|
|
|
|
#include <windows.h>
|
|
|
|
#define SEC_SUCCESS(Status) ((Status) >= 0)
|
|
|
|
#ifndef KERB_WRAP_NO_ENCRYPT
|
|
#define KERB_WRAP_NO_ENCRYPT 0x80000001
|
|
#endif
|
|
|
|
#ifndef SECBUFFER_PADDING
|
|
#define SECBUFFER_PADDING 9
|
|
#endif
|
|
|
|
#ifndef SECBUFFER_STREAM
|
|
#define SECBUFFER_STREAM 10
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
static const PRUnichar *const pTypeName [] = {
|
|
L"Kerberos",
|
|
L"Negotiate",
|
|
L"NTLM"
|
|
};
|
|
|
|
#ifdef DEBUG
|
|
#define CASE_(_x) case _x: return # _x;
|
|
static const char *MapErrorCode(int rc)
|
|
{
|
|
switch (rc) {
|
|
CASE_(SEC_E_OK)
|
|
CASE_(SEC_I_CONTINUE_NEEDED)
|
|
CASE_(SEC_I_COMPLETE_NEEDED)
|
|
CASE_(SEC_I_COMPLETE_AND_CONTINUE)
|
|
CASE_(SEC_E_INCOMPLETE_MESSAGE)
|
|
CASE_(SEC_I_INCOMPLETE_CREDENTIALS)
|
|
CASE_(SEC_E_INVALID_HANDLE)
|
|
CASE_(SEC_E_TARGET_UNKNOWN)
|
|
CASE_(SEC_E_LOGON_DENIED)
|
|
CASE_(SEC_E_INTERNAL_ERROR)
|
|
CASE_(SEC_E_NO_CREDENTIALS)
|
|
CASE_(SEC_E_NO_AUTHENTICATING_AUTHORITY)
|
|
CASE_(SEC_E_INSUFFICIENT_MEMORY)
|
|
CASE_(SEC_E_INVALID_TOKEN)
|
|
}
|
|
return "<unknown>";
|
|
}
|
|
#else
|
|
#define MapErrorCode(_rc) ""
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
static HINSTANCE sspi_lib;
|
|
static PSecurityFunctionTableW sspi;
|
|
|
|
static nsresult
|
|
InitSSPI()
|
|
{
|
|
PSecurityFunctionTableW (*initFun)(void);
|
|
|
|
LOG((" InitSSPI\n"));
|
|
|
|
sspi_lib = LoadLibraryW(L"secur32.dll");
|
|
if (!sspi_lib) {
|
|
sspi_lib = LoadLibraryW(L"security.dll");
|
|
if (!sspi_lib) {
|
|
LOG(("SSPI library not found"));
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
}
|
|
|
|
initFun = (PSecurityFunctionTableW (*)(void))
|
|
GetProcAddress(sspi_lib, "InitSecurityInterfaceW");
|
|
if (!initFun) {
|
|
LOG(("InitSecurityInterfaceW not found"));
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
sspi = initFun();
|
|
if (!sspi) {
|
|
LOG(("InitSecurityInterfaceW failed"));
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
static nsresult
|
|
MakeSN(const char *principal, nsCString &result)
|
|
{
|
|
nsresult rv;
|
|
|
|
nsCAutoString buf(principal);
|
|
|
|
// The service name looks like "protocol@hostname", we need to map
|
|
// this to a value that SSPI expects. To be consistent with IE, we
|
|
// need to map '@' to '/' and canonicalize the hostname.
|
|
PRInt32 index = buf.FindChar('@');
|
|
if (index == kNotFound)
|
|
return NS_ERROR_UNEXPECTED;
|
|
|
|
nsCOMPtr<nsIDNSService> dns = do_GetService(NS_DNSSERVICE_CONTRACTID, &rv);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// This could be expensive if our DNS cache cannot satisfy the request.
|
|
// However, we should have at least hit the OS resolver once prior to
|
|
// reaching this code, so provided the OS resolver has this information
|
|
// cached, we should not have to worry about blocking on this function call
|
|
// for very long. NOTE: because we ask for the canonical hostname, we
|
|
// 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.
|
|
nsCOMPtr<nsIDNSRecord> record;
|
|
rv = dns->Resolve(Substring(buf, index + 1),
|
|
nsIDNSService::RESOLVE_CANONICAL_NAME,
|
|
getter_AddRefs(record));
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
nsCAutoString cname;
|
|
rv = record->GetCanonicalName(cname);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
result = StringHead(buf, index) + NS_LITERAL_CSTRING("/") + cname;
|
|
LOG(("Using SPN of [%s]\n", result.get()));
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
|
|
nsAuthSSPI::nsAuthSSPI(pType package)
|
|
: mServiceFlags(REQ_DEFAULT)
|
|
, mMaxTokenLen(0)
|
|
, mPackage(package)
|
|
{
|
|
memset(&mCred, 0, sizeof(mCred));
|
|
memset(&mCtxt, 0, sizeof(mCtxt));
|
|
}
|
|
|
|
nsAuthSSPI::~nsAuthSSPI()
|
|
{
|
|
Reset();
|
|
|
|
if (mCred.dwLower || mCred.dwUpper) {
|
|
#ifdef __MINGW32__
|
|
(sspi->FreeCredentialsHandle)(&mCred);
|
|
#else
|
|
(sspi->FreeCredentialHandle)(&mCred);
|
|
#endif
|
|
memset(&mCred, 0, sizeof(mCred));
|
|
}
|
|
}
|
|
|
|
void
|
|
nsAuthSSPI::Reset()
|
|
{
|
|
if (mCtxt.dwLower || mCtxt.dwUpper) {
|
|
(sspi->DeleteSecurityContext)(&mCtxt);
|
|
memset(&mCtxt, 0, sizeof(mCtxt));
|
|
}
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS1(nsAuthSSPI, nsIAuthModule)
|
|
|
|
NS_IMETHODIMP
|
|
nsAuthSSPI::Init(const char *serviceName,
|
|
PRUint32 serviceFlags,
|
|
const PRUnichar *domain,
|
|
const PRUnichar *username,
|
|
const PRUnichar *password)
|
|
{
|
|
LOG((" nsAuthSSPI::Init\n"));
|
|
|
|
// The caller must supply a service name to be used. (For why we now require
|
|
// a service name for NTLM, see bug 487872.)
|
|
NS_ENSURE_TRUE(serviceName && *serviceName, NS_ERROR_INVALID_ARG);
|
|
|
|
nsresult rv;
|
|
|
|
// XXX lazy initialization like this assumes that we are single threaded
|
|
if (!sspi) {
|
|
rv = InitSSPI();
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
SEC_WCHAR *package;
|
|
|
|
package = (SEC_WCHAR *) pTypeName[(int)mPackage];
|
|
|
|
if (mPackage == PACKAGE_TYPE_NTLM) {
|
|
// (bug 535193) For NTLM, just use the uri host, do not do canonical host lookups.
|
|
// The incoming serviceName is in the format: "protocol@hostname", SSPI expects
|
|
// "<service class>/<hostname>", so swap the '@' for a '/'.
|
|
mServiceName.Assign(serviceName);
|
|
PRInt32 index = mServiceName.FindChar('@');
|
|
if (index == kNotFound)
|
|
return NS_ERROR_UNEXPECTED;
|
|
mServiceName.Replace(index, 1, '/');
|
|
}
|
|
else {
|
|
// Kerberos requires the canonical host, MakeSN takes care of this through a
|
|
// DNS lookup.
|
|
rv = MakeSN(serviceName, mServiceName);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
}
|
|
|
|
mServiceFlags = serviceFlags;
|
|
|
|
SECURITY_STATUS rc;
|
|
|
|
PSecPkgInfoW pinfo;
|
|
rc = (sspi->QuerySecurityPackageInfoW)(package, &pinfo);
|
|
if (rc != SEC_E_OK) {
|
|
LOG(("%s package not found\n", package));
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
mMaxTokenLen = pinfo->cbMaxToken;
|
|
(sspi->FreeContextBuffer)(pinfo);
|
|
|
|
TimeStamp useBefore;
|
|
|
|
SEC_WINNT_AUTH_IDENTITY_W ai;
|
|
SEC_WINNT_AUTH_IDENTITY_W *pai = nsnull;
|
|
|
|
// domain, username, and password will be null if nsHttpNTLMAuth's ChallengeReceived
|
|
// returns false for identityInvalid. Use default credentials in this case by passing
|
|
// null for pai.
|
|
if (username && password) {
|
|
// Keep a copy of these strings for the duration
|
|
mUsername.Assign(username);
|
|
mPassword.Assign(password);
|
|
mDomain.Assign(domain);
|
|
ai.Domain = reinterpret_cast<unsigned short*>(mDomain.BeginWriting());
|
|
ai.DomainLength = mDomain.Length();
|
|
ai.User = reinterpret_cast<unsigned short*>(mUsername.BeginWriting());
|
|
ai.UserLength = mUsername.Length();
|
|
ai.Password = reinterpret_cast<unsigned short*>(mPassword.BeginWriting());
|
|
ai.PasswordLength = mPassword.Length();
|
|
ai.Flags = SEC_WINNT_AUTH_IDENTITY_UNICODE;
|
|
pai = &ai;
|
|
}
|
|
|
|
rc = (sspi->AcquireCredentialsHandleW)(NULL,
|
|
package,
|
|
SECPKG_CRED_OUTBOUND,
|
|
NULL,
|
|
pai,
|
|
NULL,
|
|
NULL,
|
|
&mCred,
|
|
&useBefore);
|
|
if (rc != SEC_E_OK)
|
|
return NS_ERROR_UNEXPECTED;
|
|
LOG(("AcquireCredentialsHandle() succeeded.\n"));
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAuthSSPI::GetNextToken(const void *inToken,
|
|
PRUint32 inTokenLen,
|
|
void **outToken,
|
|
PRUint32 *outTokenLen)
|
|
{
|
|
SECURITY_STATUS rc;
|
|
TimeStamp ignored;
|
|
|
|
DWORD ctxAttr, ctxReq = 0;
|
|
CtxtHandle *ctxIn;
|
|
SecBufferDesc ibd, obd;
|
|
SecBuffer ib, ob;
|
|
|
|
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) {
|
|
ib.BufferType = SECBUFFER_TOKEN;
|
|
ib.cbBuffer = inTokenLen;
|
|
ib.pvBuffer = (void *) inToken;
|
|
ibd.ulVersion = SECBUFFER_VERSION;
|
|
ibd.cBuffers = 1;
|
|
ibd.pBuffers = &ib;
|
|
ctxIn = &mCtxt;
|
|
}
|
|
else {
|
|
// If there is no input token, then 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 = NULL;
|
|
}
|
|
|
|
obd.ulVersion = SECBUFFER_VERSION;
|
|
obd.cBuffers = 1;
|
|
obd.pBuffers = &ob;
|
|
ob.BufferType = SECBUFFER_TOKEN;
|
|
ob.cbBuffer = mMaxTokenLen;
|
|
ob.pvBuffer = nsMemory::Alloc(ob.cbBuffer);
|
|
if (!ob.pvBuffer)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
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 : NULL,
|
|
0,
|
|
&mCtxt,
|
|
&obd,
|
|
&ctxAttr,
|
|
&ignored);
|
|
if (rc == SEC_I_CONTINUE_NEEDED || rc == SEC_E_OK) {
|
|
|
|
#ifdef PR_LOGGING
|
|
if (rc == SEC_E_OK)
|
|
LOG(("InitializeSecurityContext: succeeded.\n"));
|
|
else
|
|
LOG(("InitializeSecurityContext: continue.\n"));
|
|
#endif
|
|
|
|
if (!ob.cbBuffer) {
|
|
nsMemory::Free(ob.pvBuffer);
|
|
ob.pvBuffer = NULL;
|
|
}
|
|
*outToken = ob.pvBuffer;
|
|
*outTokenLen = ob.cbBuffer;
|
|
|
|
if (rc == SEC_E_OK)
|
|
return NS_SUCCESS_AUTH_FINISHED;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
LOG(("InitializeSecurityContext failed [rc=%d:%s]\n", rc, MapErrorCode(rc)));
|
|
Reset();
|
|
nsMemory::Free(ob.pvBuffer);
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsAuthSSPI::Unwrap(const void *inToken,
|
|
PRUint32 inTokenLen,
|
|
void **outToken,
|
|
PRUint32 *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 = nsMemory::Alloc(ib[0].cbBuffer);
|
|
if (!ib[0].pvBuffer)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
memcpy(ib[0].pvBuffer, inToken, inTokenLen);
|
|
|
|
// app data
|
|
ib[1].BufferType = SECBUFFER_DATA;
|
|
ib[1].cbBuffer = 0;
|
|
ib[1].pvBuffer = NULL;
|
|
|
|
rc = (sspi->DecryptMessage)(
|
|
&mCtxt,
|
|
&ibd,
|
|
0, // no sequence numbers
|
|
NULL
|
|
);
|
|
|
|
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 = nsMemory::Clone(ib[1].pvBuffer, ib[1].cbBuffer);
|
|
nsMemory::Free(ib[0].pvBuffer);
|
|
if (!*outToken)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
*outTokenLen = ib[1].cbBuffer;
|
|
}
|
|
else
|
|
nsMemory::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)
|
|
nsMemory::Free(ib[0].pvBuffer);
|
|
|
|
if (ib[1].pvBuffer)
|
|
nsMemory::Free(ib[1].pvBuffer);
|
|
|
|
if (ib[2].pvBuffer)
|
|
nsMemory::Free(ib[2].pvBuffer);
|
|
}
|
|
};
|
|
|
|
NS_IMETHODIMP
|
|
nsAuthSSPI::Wrap(const void *inToken,
|
|
PRUint32 inTokenLen,
|
|
PRBool confidential,
|
|
void **outToken,
|
|
PRUint32 *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 = nsMemory::Alloc(sizes.cbSecurityTrailer);
|
|
|
|
if (!bufs.ib[0].pvBuffer)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
// APP Data
|
|
bufs.ib[1].BufferType = SECBUFFER_DATA;
|
|
bufs.ib[1].pvBuffer = nsMemory::Alloc(inTokenLen);
|
|
bufs.ib[1].cbBuffer = inTokenLen;
|
|
|
|
if (!bufs.ib[1].pvBuffer)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
memcpy(bufs.ib[1].pvBuffer, inToken, inTokenLen);
|
|
|
|
// SSPI
|
|
bufs.ib[2].BufferType = SECBUFFER_PADDING;
|
|
bufs.ib[2].cbBuffer = sizes.cbBlockSize;
|
|
bufs.ib[2].pvBuffer = nsMemory::Alloc(bufs.ib[2].cbBuffer);
|
|
|
|
if (!bufs.ib[2].pvBuffer)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
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 *) nsMemory::Alloc(len);
|
|
|
|
if (!p)
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
|
|
*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;
|
|
}
|