static
DWORD
_VmDirGetDCCredsFromRegistry(
PVMDIR_CONNECTION_CREDS pDCCreds
)
{
DWORD dwError = 0;
VmDirFreeConnCredContent(pDCCreds);
dwError = VmDirAllocateStringA(
gVmdirServerGlobals.dcAccountUPN.lberbv.bv_val,
&pDCCreds->pszUPN);
BAIL_ON_VMDIR_ERROR(dwError);
dwError = VmDirReadDCAccountPassword(&pDCCreds->pszPassword);
BAIL_ON_VMDIR_ERROR(dwError);
VmDirReadDCAccountOldPassword(&pDCCreds->pszOldPassword); // ignore error
cleanup:
return dwError;
error:
goto cleanup;
}
/*
* Bind to a host with the handle to be used later
*/
DWORD
VmDirConnectLDAPServerWithMachineAccount(
PCSTR pszHostName,
PCSTR pszDomain,
LDAP** ppLd
)
{
DWORD dwError = 0;
PSTR pszDCAccount = NULL;
PSTR pszDCAccountPassword = NULL;
char bufUPN[VMDIR_MAX_UPN_LEN] = {0};
LDAP* pLd = NULL;
dwError = VmDirRegReadDCAccount( &pszDCAccount);
BAIL_ON_VMDIR_ERROR(dwError);
dwError = VmDirReadDCAccountPassword( &pszDCAccountPassword);
BAIL_ON_VMDIR_ERROR(dwError);
dwError = VmDirStringPrintFA( bufUPN, sizeof(bufUPN)-1, "%s@%s", pszDCAccount, pszDomain);
BAIL_ON_VMDIR_ERROR(dwError);
dwError = VmDirSafeLDAPBindExt1(
&pLd,
pszHostName,
bufUPN,
pszDCAccountPassword,
MAX_LDAP_CONNECT_NETWORK_TIMEOUT);
BAIL_ON_VMDIR_ERROR(dwError);
*ppLd = pLd;
cleanup:
VMDIR_SAFE_FREE_STRINGA(pszDCAccount);
VMDIR_SECURE_FREE_STRINGA(pszDCAccountPassword);
return dwError;
error:
goto cleanup;
}
static
int
_VmDirGetRemoteDBUsingRPC(
PCSTR pszHostname,
PCSTR dbHomeDir,
BOOLEAN *pbHasXlog)
{
DWORD retVal = 0;
PSTR pszLocalErrorMsg = NULL;
char dbRemoteFilename[VMDIR_MAX_FILE_NAME_LEN] = {0};
char localDir[VMDIR_MAX_FILE_NAME_LEN] = {0};
char localXlogDir[VMDIR_MAX_FILE_NAME_LEN] = {0};
char localFilename[VMDIR_MAX_FILE_NAME_LEN] = {0};
PSTR pszDcAccountPwd = NULL;
PVMDIR_SERVER_CONTEXT hServer = NULL;
DWORD low_xlognum = 0;
DWORD high_xlognum = 0;
DWORD xlognum = 0;
DWORD remoteDbSizeMb = 0;
DWORD remoteDbMapSizeMb = 0;
PBYTE pDbPath = NULL;
BOOLEAN bMdbWalEnable = FALSE;
#ifndef _WIN32
const char fileSeperator = '/';
#else
const char fileSeperator = '\\';
#endif
retVal = VmDirAllocateMemory(VMDIR_MAX_FILE_NAME_LEN, (PVOID)&pDbPath );
BAIL_ON_VMDIR_ERROR(retVal);
retVal = VmDirReadDCAccountPassword(&pszDcAccountPwd);
BAIL_ON_VMDIR_ERROR( retVal );
retVal = VmDirOpenServerA(pszHostname, gVmdirServerGlobals.dcAccountUPN.lberbv_val, NULL, pszDcAccountPwd, 0, NULL, &hServer);
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirOpenServerA() call failed with error: %d, host name = %s",
retVal, pszHostname );
VMDIR_LOG_INFO( VMDIR_LOG_MASK_ALL, "_VmDirGetRemoteDBUsingRPC: Connected to the replication partner (%s).", pszHostname );
VmDirGetMdbWalEnable(&bMdbWalEnable);
if (bMdbWalEnable)
{
//Set remote server backend to KEEPXLOGS mode
retVal = VmDirSetBackendState (hServer, MDB_STATE_KEEPXLOGS, &low_xlognum, &remoteDbSizeMb,
&remoteDbMapSizeMb, pDbPath, VMDIR_MAX_FILE_NAME_LEN);
} else
{
//Set remote server backend to ReadOnly mode
retVal = VmDirSetBackendState (hServer, MDB_STATE_READONLY, &low_xlognum, &remoteDbSizeMb,
&remoteDbMapSizeMb, pDbPath, VMDIR_MAX_FILE_NAME_LEN);
}
BAIL_ON_VMDIR_ERROR_WITH_MSG(retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirSetBackendState failed, WalEnabled: %d, error: %d", bMdbWalEnable, retVal);
retVal = VmDirStringPrintFA( localDir, VMDIR_MAX_FILE_NAME_LEN, "%s%c%s", dbHomeDir, fileSeperator, LOCAL_PARTNER_DIR);
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirStringPrintFA() call failed with error: %d", retVal );
retVal = _VmDirMkdir(localDir, 0700);
BAIL_ON_VMDIR_ERROR( retVal );
if (low_xlognum > 0)
{
retVal = VmDirStringPrintFA( localXlogDir, VMDIR_MAX_FILE_NAME_LEN, "%s%c%s", localDir, fileSeperator, VMDIR_MDB_XLOGS_DIR_NAME);
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirStringPrintFA() call failed with error: %d", retVal );
retVal = _VmDirMkdir(localXlogDir, 0700);
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: _VmDirMkdir() call failed with error: %d %s", retVal );
}
retVal = VmDirStringPrintFA( dbRemoteFilename, VMDIR_MAX_FILE_NAME_LEN, "%s/%s", (char *)pDbPath,
VMDIR_MDB_DATA_FILE_NAME );
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirStringPrintFA() call failed with error: %d", retVal );
retVal = VmDirStringPrintFA( localFilename, VMDIR_MAX_FILE_NAME_LEN, "%s%c%s%c%s", dbHomeDir,
fileSeperator, LOCAL_PARTNER_DIR, fileSeperator, VMDIR_MDB_DATA_FILE_NAME );
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirStringPrintFA() call failed with error: %d", retVal );
VMDIR_LOG_INFO( VMDIR_LOG_MASK_ALL, "_VmDirGetRemoteDBUsingRPC: copying remote file %s with data size %ld MB with Map size %ld MB ...",
dbRemoteFilename, remoteDbSizeMb, remoteDbMapSizeMb );
retVal = _VmDirGetRemoteDBFileUsingRPC( hServer, dbRemoteFilename, localFilename, remoteDbSizeMb, remoteDbMapSizeMb );
BAIL_ON_VMDIR_ERROR( retVal );
if (low_xlognum == 0)
{
VMDIR_LOG_INFO(VMDIR_LOG_MASK_ALL,
"_VmDirGetRemoteDBUsingRPC: complete MDB cold copy - WAL not supported by remote");
goto cleanup;
}
//Query current xlog number
retVal = VmDirSetBackendState (hServer, MDB_STATE_GETXLOGNUM, &high_xlognum, &remoteDbSizeMb, &remoteDbMapSizeMb, pDbPath, VMDIR_MAX_FILE_NAME_LEN);
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirSetBackendState failed to get current xlog: %d", retVal );
VMDIR_LOG_INFO( VMDIR_LOG_MASK_ALL, "_VmDirGetRemoteDBUsingRPC: start transfering XLOGS from %d to %d", low_xlognum, high_xlognum);
for (xlognum = low_xlognum; xlognum <= high_xlognum; xlognum++)
{
retVal = VmDirStringPrintFA( dbRemoteFilename, VMDIR_MAX_FILE_NAME_LEN, "%s%c%s%c%lu", dbHomeDir, fileSeperator,
VMDIR_MDB_XLOGS_DIR_NAME, fileSeperator, xlognum );
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirStringPrintFA() call failed with error: %d", retVal );
retVal = VmDirStringPrintFA( localFilename, VMDIR_MAX_FILE_NAME_LEN, "%s%c%lu", localXlogDir, fileSeperator, xlognum);
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: VmDirStringPrintFA() call failed with error: %d", retVal );
retVal = _VmDirGetRemoteDBFileUsingRPC( hServer, dbRemoteFilename, localFilename, 0, 0);
BAIL_ON_VMDIR_ERROR_WITH_MSG( retVal, (pszLocalErrorMsg),
"_VmDirGetRemoteDBUsingRPC: _VmDirGetRemoteDBFileUsingRPC() call failed with error: %d", retVal );
}
VMDIR_LOG_INFO( VMDIR_LOG_MASK_ALL, "_VmDirGetRemoteDBUsingRPC: complete transfering XLOGS from %d to %d", low_xlognum, high_xlognum);
cleanup:
if (hServer)
{
//clear backend transfering xlog files mode.
VmDirSetBackendState (hServer, MDB_STATE_CLEAR, &xlognum, &remoteDbSizeMb, &remoteDbMapSizeMb, pDbPath, VMDIR_MAX_FILE_NAME_LEN);
VmDirCloseServer( hServer);
}
VMDIR_SAFE_FREE_MEMORY(pszLocalErrorMsg);
VMDIR_SAFE_FREE_MEMORY(pDbPath);
VMDIR_SECURE_FREE_STRINGA(pszDcAccountPwd);
*pbHasXlog = (low_xlognum > 0);
return retVal;
error:
retVal = LDAP_OPERATIONS_ERROR;
VMDIR_LOG_ERROR( VMDIR_LOG_MASK_ALL, "%s", VDIR_SAFE_STRING(pszLocalErrorMsg) );
goto cleanup;
}