wksta.c 19.9 KB
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/* Copyright 2002 Andriy Palamarchuk
 * Copyright (c) 2003 Juan Lang
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 *
 * netapi32 user functions
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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 */

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#include "config.h"
#include "wine/port.h"

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#include <stdarg.h>
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#include <stdlib.h>
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#include "ntstatus.h"
#define WIN32_NO_STATUS
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#include "windef.h"
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#include "winbase.h"
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#include "winsock2.h"
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#include "nb30.h"
#include "lmcons.h"
#include "lmapibuf.h"
#include "lmerr.h"
#include "lmwksta.h"
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#include "iphlpapi.h"
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#include "winerror.h"
#include "ntsecapi.h"
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#include "netbios.h"
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#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(netapi32);

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/************************************************************
 *                NETAPI_IsLocalComputer
 *
 * Checks whether the server name indicates local machine.
 */
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BOOL NETAPI_IsLocalComputer(LMCSTR ServerName)
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{
    if (!ServerName)
    {
        return TRUE;
    }
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    else if (ServerName[0] == '\0')
        return TRUE;
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    else
    {
        DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;
        BOOL Result;
        LPWSTR buf;

        NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) &buf);
        Result = GetComputerNameW(buf,  &dwSize);
        if (Result && (ServerName[0] == '\\') && (ServerName[1] == '\\'))
            ServerName += 2;
        Result = Result && !lstrcmpW(ServerName, buf);
        NetApiBufferFree(buf);

        return Result;
    }
}

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static void wprint_mac(WCHAR* buffer, int len, const MIB_IFROW *ifRow)
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{
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    int i;
    unsigned char val;

    if (!buffer)
        return;
    if (len < 1)
        return;
    if (!ifRow)
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    {
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        *buffer = '\0';
        return;
    }
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    for (i = 0; i < ifRow->dwPhysAddrLen && 2 * i < len; i++)
    {
        val = ifRow->bPhysAddr[i];
        if ((val >>4) >9)
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            buffer[2*i] = (WCHAR)((val >>4) + 'A' - 10);
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        else
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            buffer[2*i] = (WCHAR)((val >>4) + '0');
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        if ((val & 0xf ) >9)
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            buffer[2*i+1] = (WCHAR)((val & 0xf) + 'A' - 10);
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        else
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            buffer[2*i+1] = (WCHAR)((val & 0xf) + '0');
    }
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    buffer[2*i]=0;
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}

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/* Theoretically this could be too short, except that MS defines
 * MAX_ADAPTER_NAME as 128, and MAX_INTERFACE_NAME_LEN as 256, and both
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 * represent a count of WCHARs, so even with an extraordinarily long header
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 * this will be plenty
 */
#define MAX_TRANSPORT_NAME MAX_INTERFACE_NAME_LEN
#define MAX_TRANSPORT_ADDR 13

#define NBT_TRANSPORT_NAME_HEADER "\\Device\\NetBT_Tcpip_"
#define UNKNOWN_TRANSPORT_NAME_HEADER "\\Device\\UnknownTransport_"
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static void wprint_name(WCHAR *buffer, int len, ULONG transport,
 PMIB_IFROW ifRow)
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{
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    WCHAR *ptr1, *ptr2;
    const char *name;

    if (!buffer)
        return;
    if (!ifRow)
    {
        *buffer = '\0';
        return;
    }

    if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
        name = NBT_TRANSPORT_NAME_HEADER;
    else
        name = UNKNOWN_TRANSPORT_NAME_HEADER;

    for (ptr1 = buffer; *name && ptr1 < buffer + len; ptr1++, name++)
        *ptr1 = *name;
    for (ptr2 = ifRow->wszName; *ptr2 && ptr1 < buffer + len; ptr1++, ptr2++)
        *ptr1 = *ptr2;
    *ptr1 = '\0';
}
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/***********************************************************************
 *                NetWkstaTransportEnum  (NETAPI32.@)
 */
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struct WkstaTransportEnumData
{
    UCHAR          n_adapt;
    UCHAR          n_read;
    DWORD          prefmaxlen;
    LPBYTE        *pbuf;
    NET_API_STATUS ret;
};

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/**********************************************************************/

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static BOOL WkstaEnumAdaptersCallback(UCHAR totalLANAs, UCHAR lanaIndex,
 ULONG transport, const NetBIOSAdapterImpl *data, void *closure)
{
    BOOL ret;
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    struct WkstaTransportEnumData *enumData = closure;
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    if (enumData && enumData->pbuf)
    {
        if (lanaIndex == 0)
        {
            DWORD toAllocate;

            enumData->n_adapt = totalLANAs;
            enumData->n_read = 0;

            toAllocate = totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0)
             + MAX_TRANSPORT_NAME * sizeof(WCHAR) +
             MAX_TRANSPORT_ADDR * sizeof(WCHAR));
            if (enumData->prefmaxlen != MAX_PREFERRED_LENGTH)
                toAllocate = enumData->prefmaxlen;
            NetApiBufferAllocate(toAllocate, (LPVOID *)enumData->pbuf);
        }
        if (*(enumData->pbuf))
        {
            UCHAR spaceFor;

            if (enumData->prefmaxlen == MAX_PREFERRED_LENGTH)
                spaceFor = totalLANAs;
            else
                spaceFor = enumData->prefmaxlen /
                 (sizeof(WKSTA_TRANSPORT_INFO_0) + (MAX_TRANSPORT_NAME +
                 MAX_TRANSPORT_ADDR) * sizeof(WCHAR));
            if (enumData->n_read < spaceFor)
            {
                PWKSTA_TRANSPORT_INFO_0 ti;
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                LMSTR transport_name, transport_addr;
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                MIB_IFROW ifRow;

                ti = (PWKSTA_TRANSPORT_INFO_0)(*(enumData->pbuf) +
                 enumData->n_read * sizeof(WKSTA_TRANSPORT_INFO_0));
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                transport_name = (LMSTR)(*(enumData->pbuf) +
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                 totalLANAs * sizeof(WKSTA_TRANSPORT_INFO_0) +
                 enumData->n_read * MAX_TRANSPORT_NAME * sizeof(WCHAR));
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                transport_addr = (LMSTR)(*(enumData->pbuf) +
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                 totalLANAs * (sizeof(WKSTA_TRANSPORT_INFO_0) +
                 MAX_TRANSPORT_NAME * sizeof(WCHAR)) +
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                 enumData->n_read * MAX_TRANSPORT_ADDR * sizeof(WCHAR));
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                ifRow.dwIndex = data->ifIndex;
                GetIfEntry(&ifRow);
                ti->wkti0_quality_of_service = 0;
                ti->wkti0_number_of_vcs = 0;
                ti->wkti0_transport_name = transport_name;
                wprint_name(ti->wkti0_transport_name, MAX_TRANSPORT_NAME,
                 transport, &ifRow);
                ti->wkti0_transport_address = transport_addr;
                wprint_mac(ti->wkti0_transport_address, MAX_TRANSPORT_ADDR,
                 &ifRow);
                if (!memcmp(&transport, TRANSPORT_NBT, sizeof(ULONG)))
                    ti->wkti0_wan_ish = TRUE;
                else
                    ti->wkti0_wan_ish = FALSE;
                TRACE("%d of %d:ti at %p\n", lanaIndex, totalLANAs, ti);
                TRACE("transport_name at %p %s\n",
                 ti->wkti0_transport_name,
                 debugstr_w(ti->wkti0_transport_name));
                TRACE("transport_address at %p %s\n",
                 ti->wkti0_transport_address,
                 debugstr_w(ti->wkti0_transport_address));
                enumData->n_read++;
                enumData->ret = NERR_Success;
                ret = TRUE;
            }
            else
            {
                enumData->ret = ERROR_MORE_DATA;
                ret = FALSE;
            }
        }
        else
        {
            enumData->ret = ERROR_OUTOFMEMORY;
            ret = FALSE;
        }
    }
    else
        ret = FALSE;
    return ret;
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}
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/**********************************************************************/

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NET_API_STATUS WINAPI 
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NetWkstaTransportEnum(LMSTR ServerName, DWORD level, PBYTE* pbuf,
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      DWORD prefmaxlen, LPDWORD read_entries,
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      PDWORD total_entries, PDWORD hresume)
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{
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    NET_API_STATUS ret;

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    TRACE(":%s, 0x%08x, %p, 0x%08x, %p, %p, %p\n", debugstr_w(ServerName), 
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     level, pbuf, prefmaxlen, read_entries, total_entries,hresume);
    if (!NETAPI_IsLocalComputer(ServerName))
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    {
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        FIXME(":not implemented for non-local computers\n");
        ret = ERROR_INVALID_LEVEL;
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    }
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    else
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    {
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        if (hresume && *hresume)
        {
          FIXME(":resume handle not implemented\n");
          return ERROR_INVALID_LEVEL;
        }

        switch (level)
        {
            case 0: /* transport info */
            {
                ULONG allTransports;
                struct WkstaTransportEnumData enumData;

                if (NetBIOSNumAdapters() == 0)
                  return ERROR_NETWORK_UNREACHABLE;
                if (!read_entries)
                  return STATUS_ACCESS_VIOLATION;
                if (!total_entries || !pbuf)
                  return RPC_X_NULL_REF_POINTER;

                enumData.prefmaxlen = prefmaxlen;
                enumData.pbuf = pbuf;
                memcpy(&allTransports, ALL_TRANSPORTS, sizeof(ULONG));
                NetBIOSEnumAdapters(allTransports, WkstaEnumAdaptersCallback,
                 &enumData);
                *read_entries = enumData.n_read;
                *total_entries = enumData.n_adapt;
                if (hresume) *hresume= 0;
                ret = enumData.ret;
                break;
            }
            default:
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                TRACE("Invalid level %d is specified\n", level);
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                ret = ERROR_INVALID_LEVEL;
        }
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    }
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    return ret;
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}
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/************************************************************
 *                NetWkstaUserGetInfo  (NETAPI32.@)
 */
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NET_API_STATUS WINAPI NetWkstaUserGetInfo(LMSTR reserved, DWORD level,
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                                          PBYTE* bufptr)
{
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    NET_API_STATUS nastatus;

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    TRACE("(%s, %d, %p)\n", debugstr_w(reserved), level, bufptr);
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    switch (level)
    {
    case 0:
    {
        PWKSTA_USER_INFO_0 ui;
        DWORD dwSize = UNLEN + 1;

        /* set up buffer */
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        nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_0) + dwSize * sizeof(WCHAR),
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                             (LPVOID *) bufptr);
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        if (nastatus != NERR_Success)
            return ERROR_NOT_ENOUGH_MEMORY;
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        ui = (PWKSTA_USER_INFO_0) *bufptr;
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        ui->wkui0_username = (LMSTR) (*bufptr + sizeof(WKSTA_USER_INFO_0));
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        /* get data */
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        if (!GetUserNameW(ui->wkui0_username, &dwSize))
        {
            NetApiBufferFree(ui);
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            return ERROR_NOT_ENOUGH_MEMORY;
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        }
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        else {
            nastatus = NetApiBufferReallocate(
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                *bufptr, sizeof(WKSTA_USER_INFO_0) +
                (lstrlenW(ui->wkui0_username) + 1) * sizeof(WCHAR),
                (LPVOID *) bufptr);
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            if (nastatus != NERR_Success)
                return nastatus;
        }
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        break;
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    }
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    case 1:
    {
        PWKSTA_USER_INFO_1 ui;
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        PWKSTA_USER_INFO_0 ui0;
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        LSA_OBJECT_ATTRIBUTES ObjectAttributes;
        LSA_HANDLE PolicyHandle;
        PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;
        NTSTATUS NtStatus;

        /* sizes of the field buffers in WCHARS */
        int username_sz, logon_domain_sz, oth_domains_sz, logon_server_sz;

        FIXME("Level 1 processing is partially implemented\n");
        oth_domains_sz = 1;
        logon_server_sz = 1;
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        /* get some information first to estimate size of the buffer */
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        ui0 = NULL;
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        nastatus = NetWkstaUserGetInfo(NULL, 0, (PBYTE *) &ui0);
        if (nastatus != NERR_Success)
            return nastatus;
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        username_sz = lstrlenW(ui0->wkui0_username) + 1;

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        ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
        NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
                                 POLICY_VIEW_LOCAL_INFORMATION,
                                 &PolicyHandle);
        if (NtStatus != STATUS_SUCCESS)
        {
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            TRACE("LsaOpenPolicyFailed with NT status %x\n",
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                LsaNtStatusToWinError(NtStatus));
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            NetApiBufferFree(ui0);
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            return ERROR_NOT_ENOUGH_MEMORY;
        }
        LsaQueryInformationPolicy(PolicyHandle, PolicyAccountDomainInformation,
                                  (PVOID*) &DomainInfo);
        logon_domain_sz = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
        LsaClose(PolicyHandle);

        /* set up buffer */
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        nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1) +
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                             (username_sz + logon_domain_sz +
                              oth_domains_sz + logon_server_sz) * sizeof(WCHAR),
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                             (LPVOID *) bufptr);
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        if (nastatus != NERR_Success) {
            NetApiBufferFree(ui0);
            return nastatus;
        }
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        ui = (WKSTA_USER_INFO_1 *) *bufptr;
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        ui->wkui1_username = (LMSTR) (*bufptr + sizeof(WKSTA_USER_INFO_1));
        ui->wkui1_logon_domain = (LMSTR) (
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            ((PBYTE) ui->wkui1_username) + username_sz * sizeof(WCHAR));
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        ui->wkui1_oth_domains = (LMSTR) (
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            ((PBYTE) ui->wkui1_logon_domain) +
            logon_domain_sz * sizeof(WCHAR));
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        ui->wkui1_logon_server = (LMSTR) (
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            ((PBYTE) ui->wkui1_oth_domains) +
            oth_domains_sz * sizeof(WCHAR));

        /* get data */
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        lstrcpyW(ui->wkui1_username, ui0->wkui0_username);
        NetApiBufferFree(ui0);

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        lstrcpynW(ui->wkui1_logon_domain, DomainInfo->DomainName.Buffer,
                logon_domain_sz);
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        LsaFreeMemory(DomainInfo);

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        /* FIXME. Not implemented. Populated with empty strings */
        ui->wkui1_oth_domains[0] = 0;
        ui->wkui1_logon_server[0] = 0;
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        break;
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    }
    case 1101:
    {
        PWKSTA_USER_INFO_1101 ui;
        DWORD dwSize = 1;

        FIXME("Stub. Level 1101 processing is not implemented\n");
        /* FIXME see also wkui1_oth_domains for level 1 */

        /* set up buffer */
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        nastatus = NetApiBufferAllocate(sizeof(WKSTA_USER_INFO_1101) + dwSize * sizeof(WCHAR),
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                             (LPVOID *) bufptr);
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        if (nastatus != NERR_Success)
            return nastatus;
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        ui = (PWKSTA_USER_INFO_1101) *bufptr;
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        ui->wkui1101_oth_domains = (LMSTR)(ui + 1);
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        /* get data */
        ui->wkui1101_oth_domains[0] = 0;
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        break;
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    }
    default:
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        TRACE("Invalid level %d is specified\n", level);
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        return ERROR_INVALID_LEVEL;
    }
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    return NERR_Success;
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}

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/************************************************************
 *                NetWkstaUserEnum  (NETAPI32.@)
 */
NET_API_STATUS WINAPI
NetWkstaUserEnum(LMSTR servername, DWORD level, LPBYTE* bufptr,
                 DWORD prefmaxlen, LPDWORD entriesread,
                 LPDWORD totalentries, LPDWORD resumehandle)
{
    FIXME("(%s, %d, %p, %d, %p, %p, %p): stub!\n", debugstr_w(servername),
          level, bufptr, prefmaxlen, entriesread, totalentries, resumehandle);
    return ERROR_INVALID_PARAMETER;
}

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/************************************************************
 *                NetpGetComputerName  (NETAPI32.@)
 */
NET_API_STATUS WINAPI NetpGetComputerName(LPWSTR *Buffer)
{
    DWORD dwSize = MAX_COMPUTERNAME_LENGTH + 1;

    TRACE("(%p)\n", Buffer);
    NetApiBufferAllocate(dwSize * sizeof(WCHAR), (LPVOID *) Buffer);
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    if (GetComputerNameW(*Buffer,  &dwSize))
    {
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        return NetApiBufferReallocate(
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            *Buffer, (dwSize + 1) * sizeof(WCHAR),
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            (LPVOID *) Buffer);
    }
    else
    {
        NetApiBufferFree(*Buffer);
        return ERROR_NOT_ENOUGH_MEMORY;
    }
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}
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NET_API_STATUS WINAPI I_NetNameCompare(LPVOID p1, LPWSTR wkgrp, LPWSTR comp,
 LPVOID p4, LPVOID p5)
{
    FIXME("(%p %s %s %p %p): stub\n", p1, debugstr_w(wkgrp), debugstr_w(comp),
     p4, p5);
    return ERROR_INVALID_PARAMETER;
}

NET_API_STATUS WINAPI I_NetNameValidate(LPVOID p1, LPWSTR wkgrp, LPVOID p3,
 LPVOID p4)
{
    FIXME("(%p %s %p %p): stub\n", p1, debugstr_w(wkgrp), p3, p4);
    return ERROR_INVALID_PARAMETER;
}

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NET_API_STATUS WINAPI NetWkstaGetInfo( LMSTR servername, DWORD level,
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                                       LPBYTE* bufptr)
{
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    NET_API_STATUS ret;

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    TRACE("%s %d %p\n", debugstr_w( servername ), level, bufptr );
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    if (servername)
    {
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        if (!NETAPI_IsLocalComputer(servername))
        {
            FIXME("remote computers not supported\n");
            return ERROR_INVALID_LEVEL;
        }
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    }
    if (!bufptr) return ERROR_INVALID_PARAMETER;

    switch (level)
    {
        case 100:
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        case 101:
        case 102:
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        {
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            static const WCHAR lanroot[] = {'c',':','\\','l','a','n','m','a','n',0};  /* FIXME */
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            DWORD computerNameLen, domainNameLen, size;
            WCHAR computerName[MAX_COMPUTERNAME_LENGTH + 1];
            LSA_OBJECT_ATTRIBUTES ObjectAttributes;
            LSA_HANDLE PolicyHandle;
            NTSTATUS NtStatus;
           
            computerNameLen = MAX_COMPUTERNAME_LENGTH + 1;
            GetComputerNameW(computerName, &computerNameLen);
            computerNameLen++; /* include NULL terminator */

            ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
            NtStatus = LsaOpenPolicy(NULL, &ObjectAttributes,
             POLICY_VIEW_LOCAL_INFORMATION, &PolicyHandle);
            if (NtStatus != STATUS_SUCCESS)
                ret = LsaNtStatusToWinError(NtStatus);
            else
            {
                PPOLICY_ACCOUNT_DOMAIN_INFO DomainInfo;

                LsaQueryInformationPolicy(PolicyHandle,
                 PolicyAccountDomainInformation, (PVOID*)&DomainInfo);
                domainNameLen = lstrlenW(DomainInfo->DomainName.Buffer) + 1;
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                size = sizeof(WKSTA_INFO_102) + computerNameLen * sizeof(WCHAR)
                    + domainNameLen * sizeof(WCHAR) + sizeof(lanroot);
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                ret = NetApiBufferAllocate(size, (LPVOID *)bufptr);
                if (ret == NERR_Success)
                {
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                    /* INFO_100 and INFO_101 structures are subsets of INFO_102 */
                    PWKSTA_INFO_102 info = (PWKSTA_INFO_102)*bufptr;
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                    OSVERSIONINFOW verInfo;

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                    info->wki102_platform_id = PLATFORM_ID_NT;
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                    info->wki102_computername = (LMSTR)(*bufptr +
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                     sizeof(WKSTA_INFO_102));
                    memcpy(info->wki102_computername, computerName,
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                     computerNameLen * sizeof(WCHAR));
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                    info->wki102_langroup = info->wki102_computername + computerNameLen;
                    memcpy(info->wki102_langroup, DomainInfo->DomainName.Buffer,
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                     domainNameLen * sizeof(WCHAR));
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                    info->wki102_lanroot = info->wki102_langroup + domainNameLen;
                    memcpy(info->wki102_lanroot, lanroot, sizeof(lanroot));
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                    memset(&verInfo, 0, sizeof(verInfo));
                    verInfo.dwOSVersionInfoSize = sizeof(verInfo);
                    GetVersionExW(&verInfo);
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                    info->wki102_ver_major = verInfo.dwMajorVersion;
                    info->wki102_ver_minor = verInfo.dwMinorVersion;
                    info->wki102_logged_on_users = 1;
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                }
                LsaFreeMemory(DomainInfo);
                LsaClose(PolicyHandle);
            }
            break;
        }

        default:
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            FIXME("level %d unimplemented\n", level);
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            ret = ERROR_INVALID_LEVEL;
    }
    return ret;
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}
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/************************************************************
 *                NetGetJoinInformation (NETAPI32.@)
 */
NET_API_STATUS NET_API_FUNCTION NetGetJoinInformation(
    LPCWSTR Server,
    LPWSTR *Name,
    PNETSETUP_JOIN_STATUS type)
{
    FIXME("Stub %s %p %p\n", wine_dbgstr_w(Server), Name, type);

    *Name = NULL;
    *type = NetSetupUnknownStatus;

    return NERR_Success;
}
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/************************************************************
 *                NetUserGetGroups (NETAPI32.@)
 */
NET_API_STATUS NET_API_FUNCTION NetUserGetGroups(
        LPCWSTR servername,
        LPCWSTR username,
        DWORD level,
        LPBYTE *bufptr,
        DWORD prefixmaxlen,
        LPDWORD entriesread,
        LPDWORD totalentries)
{
    FIXME("%s %s %d %p %d %p %p stub\n", debugstr_w(servername),
          debugstr_w(username), level, bufptr, prefixmaxlen, entriesread,
          totalentries);

    *bufptr = NULL;
    *entriesread = 0;
    *totalentries = 0;

    return ERROR_INVALID_LEVEL;
}