source: trunk/client/src/ndpsmb.c@ 529

/* 
   Netdrive Samba client plugin
   plugin API
   Copyright (C) netlabs.org 2003-2008

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.
   
   This program 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 General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  
*/

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>

#define NDPL_LARGEFILES
#define INCL_LONGLONG
#include <ndextpl2.h>
#include "smbwrp.h"
#include "util.h"

#if 0

#ifndef DEBUG_PRINTF
#define debug_printf( ...)
#endif

#define log debug_printf
#endif

#define debug_printf(...) debuglocal(9, __VA_ARGS__)

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

/* time conversion functions: SMB protocol sends timestamps in GMT time,
*  os2 api uses localtime,
*  emx/klibc uses timezone and daylight saving to convert GMT timestamps,
*  so only the timezone must be counted in conversion.
*/
void fsphUnixTimeToDosDate( time_t time, FDATE* fdate, FTIME *ftime)
{
    struct tm* gmt = localtime( &time);
#if 0 // as localtime() already does dst we don't need to add something
    if (gmt->tm_isdst>0) {
        debug_printf( "daylight saving in effect %d, timezone %d\n",gmt->tm_isdst, timezone); 
        time -= 3600;
        gmt = localtime( &time);
    }
#endif
    fdate->day  = gmt->tm_mday;
    fdate->month  = gmt->tm_mon+1;
    fdate->year = gmt->tm_year + 1900 - 1980;
    ftime->twosecs = gmt->tm_sec/2;
    ftime->minutes = gmt->tm_min;
    ftime->hours = gmt->tm_hour;
}

void fsphDosDateToUnixTime( FDATE fdate, FTIME ftime, ULONG* time)
{
    struct tm gmtime = { 0 };

    debug_printf( "fsphDosDateToUnixTime time %02d:%02d\n", ftime.hours, ftime.minutes);
    gmtime.tm_mday = fdate.day;
    gmtime.tm_mon = fdate.month-1;
    gmtime.tm_year = fdate.year + 1980 - 1900;
    gmtime.tm_sec = ftime.twosecs*2;
    gmtime.tm_min = ftime.minutes;
    gmtime.tm_hour = ftime.hours;
    gmtime.tm_isdst = -1; // force libc to check dst saving

    *time = mktime( &gmtime);
    debug_printf( "fsphDosDateToUnixTime time1 %d %s", *time, ctime( (time_t*)time));
#if 0 // as mktime() already does dst we don't need to add something
    struct tm* gmt;
    gmt = localtime( (time_t*) time);
    if (gmt->tm_isdst>0) {
        debug_printf( "fsphDosDateToUnixTime daylight saving in effect %d, timezone %d\n",gmt->tm_isdst, timezone); 
        *time += 3600;
    }
#endif
    debug_printf( "fsphDosDateToUnixTime time2 %d %s", *time, ctime( (time_t*)time));
}
        
// -------------------------------------------------------------

/* uppercased type of resource */
const char *NdpTypes[] =
{
        "SMBFS",
        NULL
}
;

/* Properties of supported resource types */

/* Properties of resource */
static const NDPROPERTYINFO smbProperties[] =
{
        {ND_PROP_STRING, 0, "WORKGROUP", ""},
        {ND_PROP_STRING, 0, "SERVER", ""},
        {ND_PROP_STRING, 0, "SHARE", ""},
        {ND_PROP_STRING, 0, "USER", "guest"},
        {ND_PROP_STRING, 0, "PASSWORD", ""},
        {ND_PROP_STRING, 0, "SPASSWORD",  ""},
        {ND_PROP_STRING, 0, "MASTER", "WORKGROUP"},
        {ND_PROP_ULONG, 0, "MASTERTYPE", "1"},
        {ND_PROP_ULONG, 0, "CTO", "10"},
        {ND_PROP_ULONG, 0, "CLD", "32"},
        {ND_PROP_ULONG, 0, "EASUPPORT", "1"},
        {ND_PROP_STRING, 0, NULL, NULL}
};


/* Exported array of properties */
const NDPROPERTYINFO *NdpPropertiesInfo[] =
{
        smbProperties
};


PLUGINHELPERTABLE2L *ph;
static int ifL;

int APIENTRY NdpPluginLoad (PLUGINHELPERTABLE2L *pPHT)
{
        int rc;
        HPIPE pipe;
        unsigned long action;
        ph = pPHT;
        ifL = 0;
/*
        if (ph->cb < sizeof (PLUGINHELPERTABLE2))
        {
                return ERROR_INVALID_FUNCTION;
        }
*/
        if (ph->cb >= sizeof (PLUGINHELPERTABLE2L))
        {
                ifL = 1;
        }
        debuglocal(9,"Working with %s bit fileio NDFS\n", ifL ? "64" : "32");
        return NO_ERROR;
}


int APIENTRY NdpPluginFree (void)
{
        return NO_ERROR;
}


void getfindinfo(Connection * pConn, FILEFINDBUF3 * stat, smbwrp_fileinfo * finfo)
{
        char * name = ph->fsphStrRChr(finfo->fname, '\\');
        if (name)
        {
                name++;
        }
        else
        {
                name = finfo->fname;
        }
        if (!*name)
        {
                name = pConn->pRes->srv.share_name;
        }
        strncpy(stat->achName, name, CCHMAXPATHCOMP - 1);
        stat->cbFile = finfo->size;
        stat->cbFileAlloc = stat->cbFile;
        stat->oNextEntryOffset = 0ul;
        stat->cchName = strlen(stat->achName);
        stat->attrFile = (finfo->attr & 0x37);

        fsphUnixTimeToDosDate(finfo->mtime, &stat->fdateLastWrite, &stat->ftimeLastWrite);
        fsphUnixTimeToDosDate(finfo->ctime, &stat->fdateCreation, &stat->ftimeCreation);
        fsphUnixTimeToDosDate(finfo->atime, &stat->fdateLastAccess, &stat->ftimeLastAccess);
}

int getfindinfoL(Connection * pConn, void * plist, smbwrp_fileinfo * finfo, ULONG ulAttribute, char * mask)
{
        FILESTATUS3L stat = {0};
        char * name = ph->fsphStrRChr(finfo->fname, '\\');
        if (name)
        {
                name++;
        }
        else
        {
                name = finfo->fname;
        }
        if (!*name)
        {
                name = pConn->pRes->srv.share_name;
        }
        if (mask && (!ph->fsphAttrMatch(ulAttribute, finfo->attr & 0x37) || !ph->fsphWildMatch(mask, name, ND_IGNORE_CASE)))
        {
                return 0;
        }

        stat.cbFile = finfo->size;
        stat.cbFileAlloc = stat.cbFile;
        stat.attrFile = (finfo->attr & 0x37);

        fsphUnixTimeToDosDate(finfo->mtime, &stat.fdateLastWrite, &stat.ftimeLastWrite);
        fsphUnixTimeToDosDate(finfo->ctime, &stat.fdateCreation, &stat.ftimeCreation);
        fsphUnixTimeToDosDate(finfo->atime, &stat.fdateLastAccess, &stat.ftimeLastAccess);
        debug_printf( "fname %s\n", finfo->fname);
        debug_printf( "mtime %d %s", finfo->mtime, ctime( (time_t*)&finfo->mtime));
        debug_printf( "ftimeLastAccess %02d:%02d:%02d\n", stat.ftimeLastWrite.hours, stat.ftimeLastWrite.minutes, stat.ftimeLastWrite.twosecs*2);

        ph->fsphAddFile32L(plist, &stat, name, strlen(name), finfo, sizeof(*finfo), 0);
        return 1;
}

static unsigned char fromhex (char c)
{
    if ('0' <= c && c <= '9')
    {
         return c - '0';
    }
    
    if ('A' <= c && c <= 'F')
    {
         return c - 'A' + 0xA;
    }
    
    if ('a' <= c && c <= 'f')
    {
         return c - 'a' + 0xA;
    }
    
    return 0;
}

static char tohex (unsigned char b)
{
    b &= 0xF;
    
    if (b <= 9)
    {
        return b + '0';
    }
    
    return 'A' + (b - 0xA);
}

static void decryptPassword (const char *pszCrypt, char *pszPlain)
{
    /* A simple "decryption", character from the hex value. */
    const char *s = pszCrypt;
    char *d = pszPlain;
    
    while (*s)
    {
        *d++ = (char)((fromhex (*s++) << 4) + fromhex (*s++));
    }
    
    *d++ = 0;
}

static void encryptPassword (const char *pszPlain, char *pszCrypt)
{
    /* A simple "encryption" encode each character as hex value. */
    const char *s = pszPlain;
    char *d = pszCrypt;
    
    while (*s)
    {
        *d++ = tohex ((*s) >> 4);
        *d++ = tohex (*s);
        s++;
    }
    
    *d++ = 0;
}

/* accept parameters in form
 * [filename][;name=filename]
 */
int initResource (Resource *pRes, NDPROPERTYHANDLE properties)
{
        int rc = NO_ERROR;
        unsigned long t;
        const CHAR * q = NULL;
        int defaultPassword = 1;

        pRes->rootlevel = 0;
        pRes->easupport = 1;
#ifdef HAVE_KRB5_H
        pRes->krb5support = 1;
#else
        pRes->krb5support = 0;
#endif
        pRes->pdc = NULL;

        t = 0, q = NULL;
        rc = ph->fsphQueryStringProperty (properties, "WORKGROUP", &q, &t);
        if (!rc && t && *q)
        {
                strncpy(pRes->srv.workgroup, q, sizeof(pRes->srv.workgroup) - 1);
                pRes->rootlevel = 1;
        }

        t = 0, q = NULL;
        rc = ph->fsphQueryStringProperty (properties, "SERVER", &q, &t);
        if (!rc && t && *q)
        {
                strncpy(pRes->srv.server_name, q, sizeof(pRes->srv.server_name) - 1);
                pRes->rootlevel = 2;
        }

        t = 0, q = NULL;
        rc = ph->fsphQueryStringProperty (properties, "SHARE", &q, &t);
        if (!rc && t && *q)
        {
                strncpy(pRes->srv.share_name, q, sizeof(pRes->srv.share_name) - 1);
                pRes->rootlevel = 3;
        }

        t = 0, q = NULL;
        rc = ph->fsphQueryStringProperty (properties, "USER", &q, &t);
        if (!rc && t && *q)
        {
                strncpy(pRes->srv.username, q, sizeof(pRes->srv.username) - 1);
        }

        t = 0, q = NULL;
        rc = ph->fsphQueryStringProperty (properties, "PASSWORD", &q, &t);
        if (!rc && t && *q)
        {
                strncpy(pRes->srv.password, q, sizeof(pRes->srv.password) - 1);
                defaultPassword = 0;
        }

        t = 0, q = NULL;
        rc = ph->fsphQueryStringProperty (properties, "SPASSWORD", &q, &t);
        if (   rc == NO_ERROR
            && *q != '\0'
            && defaultPassword)
        {
            char p[1024];
            p[0] = 0;
        
            decryptPassword (q, p);
        
            if (*p)
            {
                strncpy(pRes->srv.password, p, sizeof(pRes->srv.password) - 1);
        
                /* clear the plain password */
                ph->fsphSetProperty (properties, "PASSWORD", "");
            }
        }
        else
        {
            char c[1024];
            encryptPassword (pRes->srv.password, c);
        
            ph->fsphSetProperty (properties, "SPASSWORD", c);
        
            // clear the plain password
            ph->fsphSetProperty (properties, "PASSWORD", "");
        }

        t = 0, q = NULL;
        rc = ph->fsphQueryStringProperty (properties, "MASTER", &q, &t);
        if (!rc && t && *q)
        {
                strncpy(pRes->srv.master, q, sizeof(pRes->srv.master) - 1);
        }

        t = 0;
        rc = ph->fsphQueryUlongProperty (properties, "MASTERTYPE", &t);
        if (!rc)
        {
                if (t > 1)
                {
                        rc = ERROR_INVALID_PARAMETER;
                }
                else
                {
                        pRes->srv.ifmastergroup = t;
                }
        }

        t = 0;
        rc = ph->fsphQueryUlongProperty (properties, "EASUPPORT", &t);
        if (!rc)
        {
                if (t > 1)
                {
                        rc = ERROR_INVALID_PARAMETER;
                }
                else
                {
                        pRes->easupport = t;
                }
        }

        t = 0;
        rc = ph->fsphQueryUlongProperty (properties, "CTO", &t);
        if (!rc)
        {
                if (t > 600)
                {
                        rc = ERROR_INVALID_PARAMETER;
                }
                else
                {
                        pRes->cachetimeout = t;
                }
        }

        t = 0;
        rc = ph->fsphQueryUlongProperty (properties, "CLD", &t);
        if (!rc)
        {
                if (t > 96)
                {
                        rc = ERROR_INVALID_PARAMETER;
                }
                else
                {
                        pRes->cachedepth = t;
                }
        }

        /*
         * Create a directory cache with expiration time and cache listings
         * the above values come from the gui. default: timeout 10; listings: 32
         */
        dircache_create(&pRes->pdc, pRes->cachetimeout, pRes->cachedepth);

        return rc;
}

int iftestpath(char * path)
{
        char * p = path;
        if (!path)
        {
                return 0;
        }
        while ((p = ph->fsphStrChr(p, 'A')) != NULL)
        {
                if (ph->fsphStrNCmp(p, "A.+,;=[].B", 10) == 0)
                {
                        return 1;
                }
                p++;
        }
        return 0;
}

int pathparser(Resource *pRes, Connection * pConn, char * path, char * result)
{
        int rootlevel;
        int rc = NO_ERROR;
        if (!pRes || !path || !result)
        {
                return ERROR_INVALID_PARAMETER;
        }
        // handle special case when someone wants to test support of LFN or smth similar
        if (iftestpath(path))
        {
                strcpy(result, "\\A.+,;=[].B");
                return NO_ERROR;
        }

        rootlevel = pRes->rootlevel;
        if (*path == '\\') path++;

        if (rootlevel < 3)
        {
                char * p;
                // flag: 1 parameters changed, reconnection required, 0 do nothing
                int newlevel = 0;
                // use a temporary resource to test disconnection/reconnection
                Resource tmpRes;
                // copy exising data
                memcpy( &tmpRes, pRes, sizeof( tmpRes));
                // pointer to new connection fields
                smbwrp_server * tmp = &tmpRes.srv;
                if (rootlevel == 0)
                {
                        p = ph->fsphStrChr(path, '\\');
                        if (!p)
                        {
                                p = path + strlen(path);
                        }
                        if (strlen(tmp->workgroup) != p - path
                                || (p == path || ph->fsphStrNICmp(path, tmp->workgroup, p - path)))
                        {
                                strncpy(tmp->workgroup, path, p - path);
                                tmp->workgroup[p - path] = 0;
                                newlevel = 1;
                        }
                        path = *p == '\\' ? p + 1 : p;
                        rootlevel = 1;
                }
                if (rootlevel == 1) // root path starts from server name
                {
                        p = ph->fsphStrChr(path, '\\');
                        if (!p)
                        {
                                p = path + strlen(path);
                        }
                        if (strlen(tmp->server_name) != p - path
                                || (p == path || ph->fsphStrNICmp(path, tmp->server_name, p - path)))
                        {
                                strncpy(tmp->server_name, path, p - path);
                                tmp->server_name[p - path] = 0;
                                newlevel = 1;
                        }
                        path = *p == '\\' ? p + 1 : p;
                        rootlevel = 2;
                }
                if (rootlevel == 2) // root path starts from share name
                {
                        p = ph->fsphStrChr(path, '\\');
                        if (!p)
                        {
                                p = path + strlen(path);
                        }
                        if (strlen(tmp->share_name) != (p - path)
                                || (p == path || ph->fsphStrNICmp(path, tmp->share_name, p - path)))
                        {
                                strncpy(tmp->share_name, path, p - path);
                                tmp->share_name[p - path] = 0;
                                newlevel = 1;
                        }
                        path = *p == '\\' ? p + 1 : p;
                }
                if (newlevel)
                {
                        // reconnect to server here, first test new connection
                        cli_state* tmp_cli = NULL;
                        rc = smbwrp_connect( &tmpRes, &tmp_cli);
                        if (!rc) 
                        {
                                // new connection is ok, disconnect old one
                                cli_state* cli = pConn->cli;
                                smbwrp_disconnect( pRes, cli);
                                // save tmp data structure
                                memcpy( pRes, &tmpRes, sizeof( tmpRes));
                                // save new connection handle
                                pConn->cli = tmp_cli;
                        }
                }
        }

        strcpy(result, "\\");
        strncat(result, path, CCHMAXPATH);

        return rc;
}


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

/* check if the requested resource is available */
static int checkMountResource( Resource* pRes)
{
        int rc;
        unsigned long action;
        cli_state* cli = NULL;

        debug_printf("checkMountResource in tid#%d\n", _gettid());
        rc = smbwrp_connect( pRes, &cli);
/* changed to real error codes SCS 
    if (rc)
        rc = (rc == 7 ? ERROR_BAD_DEV_TYPE : ERROR_ACCESS_DENIED); */
        switch (rc) {
        case 0:
                rc = NO_ERROR;
                break;
        case 1:
        case 10:
        case 11:
                rc = ERROR_BAD_NET_NAME;
                break;
        case 2:
                rc = ERROR_INIT_ROUTINE_FAILED;
                break;
        case 3:
                rc = ERROR_BAD_NET_RESP;
                break;
        case 4:
                rc = ERROR_NETWORK_BUSY;
                break;
        case 6:
                rc = ERROR_NETWORK_ACCESS_DENIED;
                break;
        case 7:
                rc = ERROR_BAD_NETPATH;
                break;
        default:
                rc = ERROR_UNEXP_NET_ERR;
          break;
        } /* endswitch */ 

        smbwrp_disconnect( pRes, cli);

        return rc;
}

int APIENTRY NdpMountResource (HRESOURCE *presource, int type, NDPROPERTYHANDLE properties)
{
        int rc = NO_ERROR;
        unsigned long objany = OBJ_ANY;
        Resource *pRes = NULL;

        debuglocal(9,"NdpMountResource in\n");

        // init code
        smbwrp_init();

        /* since samba plugin support only 1 type of resources we do not need */
        /* to check what the found type really is */
        pRes = malloc( sizeof(Resource));
        if (pRes == NULL)
        {
                rc = ERROR_NOT_ENOUGH_MEMORY;
        } 
        else
        {
                memset(pRes, 0, sizeof(Resource));
                //pRes->objany = objany;
                // parse init string
                rc = initResource (pRes, properties);
                // try to connect to resource (check type) only if thread!=1, so ndctl startup
                // is not slowed down by network connections.
                // ndctl does mounting on main thread (#1)
                // nd/ndpm do not use main thread
                if (!rc && _gettid()!=1)
                    rc = checkMountResource( pRes);
                if (!rc)
                {
                        // store resource data
                        *presource = (HRESOURCE)pRes;
                }
                else
                {
                        free(pRes);
                }
        }
        debuglocal(9,"NdpMountResource rc=%d\n", rc);
        return rc;
}

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

int APIENTRY NdpFreeResource (HRESOURCE resource)
{
        Resource *pRes = (Resource *)resource;
        dircache_delete(pRes->pdc);
        memset(&pRes->srv, 0, sizeof(pRes->srv));
        free(pRes);
        debuglocal(9,"NdpFreeResource %d\n", NO_ERROR);
        return NO_ERROR;
}

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

int APIENTRY NdpRsrcCompare (HRESOURCE resource, HRESOURCE resource2)
{
        Resource *pRes = (Resource *)resource;
        Resource *pRes2 = (Resource *)resource2;
        int rc = ND_RSRC_DIFFERENT;

        debuglocal(9,"NdpRsrcCompare in\n");
        if (ph->fsphStrICmp(pRes->srv.server_name, pRes2->srv.server_name) == 0
                && ph->fsphStrICmp(pRes->srv.share_name, pRes2->srv.share_name) == 0
                && ph->fsphStrICmp(pRes->srv.username, pRes2->srv.username) == 0
                && ph->fsphStrICmp(pRes->srv.workgroup, pRes2->srv.workgroup) == 0)
        {
                // resources are equal
                rc = ND_RSRC_EQUAL;
        }

        debuglocal(9,"NdpRsrcCompare %d\n", rc);

        return rc;
}

int APIENTRY NdpRsrcUpdate (HRESOURCE resource, HRESOURCE resource2)
{
        // do nothing
        debuglocal(9,"NdpRsrcUpdate %d\n", NO_ERROR);
        return NO_ERROR;
}

int APIENTRY NdpRsrcQueryInfo (HRESOURCE resource, ULONG *pulFlags, void *pdata, ULONG insize, ULONG *poutlen)
{
        Resource *pRes = (Resource *)resource;
        int rc = NO_ERROR;
        char s[4096];

        debuglocal(9,"NdpRsrcQueryInfo in\n");

        switch (pRes->rootlevel)
        {
                case 0:
                {
                        ph->fsph_snprintf(s, sizeof(s) - 1, "SMBFS%s \\\\@%s", ifL ? "64" : "32", pRes->srv.username);
                } break;
                case 1:
                {
                        ph->fsph_snprintf(s, sizeof(s) - 1, "SMBFS%s %s: \\\\@%s", ifL ? "64" : "32", pRes->srv.workgroup, pRes->srv.username);
                } break;
                case 2:
                {
                        ph->fsph_snprintf(s, sizeof(s) - 1, "SMBFS%s \\\\%s%s%s@%s", ifL ? "64" : "32", *pRes->srv.workgroup ? pRes->srv.workgroup : "", *pRes->srv.workgroup ? ":" : "", pRes->srv.server_name, pRes->srv.username);
                } break;
                default:
                {
                        ph->fsph_snprintf(s, sizeof(s) - 1, "SMBFS%s \\\\%s%s%s\\%s@%s", ifL ? "64" : "32", *pRes->srv.workgroup ? pRes->srv.workgroup : "", *pRes->srv.workgroup ? ":" : "", pRes->srv.server_name, pRes->srv.share_name, pRes->srv.username);
                } break;
        }
        *poutlen = strlen(s) + 1;
        if (*poutlen > insize)
        {
                rc = ERROR_BUFFER_OVERFLOW;
        }
        else
        {
                memcpy(pdata, s, *poutlen);
        }

        debuglocal(9,"NdpRsrcQueryInfo %d\n", rc);

        return rc;
}

int APIENTRY NdpRsrcQueryFSAttach (HRESOURCE resource, void *pdata, ULONG insize, ULONG *poutlen)
{
        ULONG ulDummy = 0;
        /* just return the resource info string */
        return NdpRsrcQueryInfo (resource, &ulDummy, pdata, insize, poutlen);
}

int APIENTRY NdpRsrcQueryFSAllocate (HRESOURCE resource, NDFSALLOCATE *pfsa)
{
        Resource *pRes = (Resource *)resource;
        int rc = NO_ERROR, rc1;
        unsigned long action = 0;
        cli_state* cli = NULL;
        FSALLOCATE fsa;

        debuglocal(9,"NdpRsrcQueryFSAllocate %08x\n", pfsa);

        if (!pfsa)
        {
                return NO_ERROR;
        }

        debug_printf("checkMountResource in tid#%d\n", _gettid());
        rc = smbwrp_connect( pRes, &cli);
        if (rc) 
        {
            debuglocal(9,"NdpCreateConnection failed rc=%d\n", rc);     
            pfsa->cSectorUnit = 1;
            pfsa->cUnit = 123456;
            pfsa->cUnitAvail = 123456;
            pfsa->cbSector = 2048;
            rc = (rc == 7 ? ERROR_BAD_DEV_TYPE : ERROR_ACCESS_DENIED);
            return rc;
        }

        rc = smbwrp_dskattr( cli, &fsa);
        if (rc)
        {
                pfsa->cSectorUnit = 1;
                pfsa->cUnit = 123456;
                pfsa->cUnitAvail = 123456;
                pfsa->cbSector = 2048;
                //rc = rc ? rc : (resp.rc ? resp.rc : ERROR_INVALID_PARAMETER);
        }
        else
        {
                pfsa->cSectorUnit = fsa.cSectorUnit;
                pfsa->cUnit = fsa.cUnit;
                pfsa->cUnitAvail = fsa.cUnitAvail;
                pfsa->cbSector = fsa.cbSector;
        }

        smbwrp_disconnect( pRes, cli);

        debuglocal(9,"NdpRsrcQueryFSAllocate %d/%d (cUnit = %d/cUnitAvail = %d/cbSector = %d)\n", rc, rc1, pfsa->cUnit, pfsa->cUnitAvail, pfsa->cbSector);
        return rc;
}

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

int APIENTRY NdpCreateConnection (HRESOURCE resource, HCONNECTION *pconn)
{
        int rc = 0;
        Resource * pRes = (Resource *)resource;
        unsigned long action;
        Connection *pConn = NULL;

        debuglocal(9,"NdpCreateConnection in\n");

        pConn = malloc( sizeof(Connection));
        if (pConn == NULL)
        {
                rc =  ERROR_NOT_ENOUGH_MEMORY;
        }
        if (rc)
        {
                debuglocal(9,"NdpCreateConnection ERROR_NOT_ENOUGH_MEMORY %d\n", rc);
                return rc;
        }
        memset(pConn, 0, sizeof(Connection));
        pConn->pRes = pRes;
        pConn->file.fd = -1;

        debuglocal(9,"NdpCreateConnection send CONNECT\n");
        rc = smbwrp_connect( pRes, &pConn->cli);
        if (rc)
        {
                free(pConn);
                pConn = NULL;
                rc = (rc == 7 ? ERROR_BAD_DEV_TYPE : ERROR_INVALID_PARAMETER);
        }

        *pconn = (HCONNECTION)pConn;
        debuglocal(9,"NdpCreateConnection [%p] %d\n", pConn, rc);
        return rc;
}

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

int APIENTRY NdpFreeConnection (HCONNECTION conn)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc;

        debuglocal(9,"NdpFreeConnection in [%p]\n", pConn);
        if (pConn->file.fd >= 0)
        {
                rc = smbwrp_close( pConn->cli, &pConn->file);
                pConn->file.fd = -1;
        }

        smbwrp_disconnect( pRes, pConn->cli);

        free(pConn);
        debuglocal(9,"NdpFreeConnection %d\n", NO_ERROR);
        return NO_ERROR;
}

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

/* 
 * NdpQueryPathInfo is the most important  function :) netdrive always calls
 * the function before every operation to find out the path status: does it exist, is it a file, does a
 *  parent directory exist, etc.
 * Plugin must return one of the following error codes:
 * NO_ERROR - path exists and the path information have been successfully retrieved.
 * ERROR_FILE_NOT_FOUND - all but the last component of the path exist and the 
 *    path without the last component is a directory. dir1_ok\dir2_ok\does_not_exist. 
 *    the wildcard can not exist, so the plugin returns FILE_NOT_FOUND, if the parent 
 *    directory exist.
 * ERROR_PATH_NOT_FOUND - any of not last path components does not exist, or all
 *    but the last component exist and is a file: \dir_ok\dir2_ok\file_ok\non_existing.
 * ERROR_REM_NOT_LIST - resource is temporarily unavailable for some reasons.
 * Any other error codes means an internal plugin error, not related to the status 
 * of the path queried.
 */
int APIENTRY NdpQueryPathInfo (HCONNECTION conn, void *plist, char *szPath)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        smbwrp_fileinfo finfo;
        int rc = 0;
        unsigned long action;
        char path[CCHMAXPATH+1] = {0};
        int retry = 0;

                debuglocal(9,"NdpQueryPathInfo in [%p] <%s>, retry = %d\n", pConn, szPath, retry);
        
                // is wildcard is specified, we suppose parent dir exist, so exit immediately
                if (ph->fsphStrChr(szPath, '*') || ph->fsphStrChr(szPath, '?'))
                {
                        return ERROR_FILE_NOT_FOUND;
                }


                do {
                        /* First check if there is information in the directory cache. */
                        unsigned long ulAge = 0;
                        if (dircache_find_path(pRes->pdc, szPath, &finfo, &ulAge))
                        {
                                if (ulAge <= 15) /* @todo configurable. */
                                {
                                        rc = NO_ERROR;
                                        finfo.easize = -1;
                                        getfindinfoL(pConn, plist, &finfo, 0, NULL);
                                        break;
                                }
                        }

                        rc = pathparser(pRes, pConn, szPath, path);
                        debuglocal(9,"NdpQueryPathInfo pathparser for <%s> rc=%d\n", path, rc);
                        switch (rc)
                        {
                                case NO_ERROR :
                                case ERROR_FILE_NOT_FOUND:
                                case ERROR_PATH_NOT_FOUND:
                                case ERROR_ACCESS_DENIED:
                                case ERROR_INVALID_PARAMETER:
                                {
                                        break;
                                }
                                default :
                                {       
                                        rc = ERROR_PATH_NOT_FOUND;
                                }
                        }
                        if (rc)
                        {
                                break;
                        }
                        strncpy(finfo.fname, path, sizeof(finfo.fname) - 1);
                        debuglocal(9,"NdpQueryPathInfo smbwrp_getattr for <%s>\n", path);
                        rc = smbwrp_getattr( &pRes->srv, pConn->cli, &finfo);
                        if (rc)
                        {
                                // remote server not available for first time?
                                if (rc == ERROR_REM_NOT_LIST && retry == 0)
                                {
                                    // free current cli resources
                                    smbwrp_disconnect( pRes, pConn->cli);
                                    // reconnect
                                    smbwrp_connect( pRes, &pConn->cli);
                                    // try file list again
                                    rc = smbwrp_getattr( &pRes->srv, pConn->cli, &finfo);
                                    debuglocal(9,"NdpQueryPathInfo remote connection lost, retry rc = %d\n", rc);
                                }
                                switch (rc)
                                {
                                        case NO_ERROR :
                                        case ERROR_FILE_NOT_FOUND:
                                        case ERROR_PATH_NOT_FOUND:
                                        case ERROR_ACCESS_DENIED:
                                        case ERROR_INVALID_PARAMETER:
                                        case ERROR_REM_NOT_LIST:
                                        break;
                                        default :
                                        {
                                                rc = ERROR_PATH_NOT_FOUND;
                                        }
                                }
                        }
                        
                        if (rc == NO_ERROR)                     {
                                finfo.easize = -1;
                                getfindinfoL(pConn, plist, &finfo, 0, NULL);
                        }
                        else if (rc == ERROR_FILE_NOT_FOUND)
                        {
                                // now try the upper path
                                char * p = ph->fsphStrRChr(finfo.fname, '\\');
                                if (p && p > finfo.fname)
                                {
                                        *p = 0;
                                        rc = smbwrp_getattr( &pRes->srv, pConn->cli, &finfo);
                                        debuglocal(9,"NdpQueryPathInfo upper path in <%s>, rc = %d\n",  finfo.fname, rc);
                                        if (rc == NO_ERROR)
                                        {       
                                            rc = (finfo.attr & FILE_DIRECTORY) !=0 ?
                                                ERROR_PATH_NOT_FOUND :
                                                ERROR_INVALID_PARAMETER;
                                        }
                                        else if (rc != ERROR_REM_NOT_LIST)
                                        {
                                              rc = ERROR_PATH_NOT_FOUND;
                                        }
                                }
                        }
                } while (0);
                debuglocal(9,"NdpQueryPathInfo <%s> (%s) %d\n", szPath, path, rc);

        return rc;
}

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

int APIENTRY NdpFindStart (HCONNECTION conn, void *plist, NDFILEINFOL *pfiparent, char *szPath, ULONG ulAttribute)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = NO_ERROR, count = 0;
        unsigned long action;
        char *mask = "*";
        char dir[CCHMAXPATH+1] = {0};
        char path[CCHMAXPATH+1] = {0};
        smbwrp_fileinfo * data;
        NDPATHELEMENT *pel = ph->fsphNameElem(0);
        filelist_state state;
        char * p;

        debug_printf("NdpFindStart in [%p]\n", pConn);

                strncpy(dir, szPath, sizeof(dir) - 1);
                if (pel)
                {
                        mask = pel->name;
                        dir[strlen(szPath) - pel->length] = 0;
                }
                action = strlen(dir) - 1;
                if (dir[action] == '\\')
                {
                        dir[action] = 0;
                }
                rc = pathparser(pRes, pConn, dir, path);
                if (rc)
                {
                        return rc;
                }
                action = strlen(path) - 1;
                if (path[action] != '\\')
                {
                        strncat(path, "\\", sizeof(path) - 1);
                }
                strcpy(dir, path);
                strncat(path, mask, sizeof(path) - 1);

                // this structure will be used by libsmb callbacks, so we store here all we need 
                // to fill netdrive structures 
                state.pConn = pConn;
                state.plist = plist;
                state.ulAttribute = ulAttribute;
                strcpy( state.dir, dir);
                strcpy( state.dir_mask, mask);
                strcpy( state.mask, path);
                state.fullpath = szPath;
                /* This plugin always reads a complete directory listing and filters results
                 * using actual mask (state.dir_mask) in getfindinfoL.
                 * May be this was a workaround for some server bug.
                 * If this will be changed, then directory listing cache must be changed too,
                 * and must remember the mask, which was used to obtain a listing.
                 * Now the directory cache saves complete directory listings and then uses them to find
                 * information about single files.
                 * However, with a directory cache, it is probably faster to get a full listing and
                 * then use it to obtain info about separate files than to perform a network
                 * list query operation using actual wild cards for each file. Some application,
                 * for example OpenOffice, do this.
                 */
                p = getlastslash(state.mask);
                if (p)
                {
                        *(p + 1) = '*';
                        *(p + 2) = 0;
                } 
                else
                {
                        strcpy(state.mask, "\\*");
                }
                debuglocal(9,"NdpFindStart: dir [%s], dir_mask [%s], mask [%s], szPath [%s]\n",
                           state.dir, state.dir_mask, state.mask, state.fullpath);
                rc = smbwrp_filelist( &pRes->srv, pConn->cli, &state);
                // we need to handle reconnection also here, because NdpQueryPathInfo 
                // could be called with '*' and exit then immediately (without calling libsmb) 
                if (rc == ERROR_REM_NOT_LIST)
                {
                    // free current cli resources
                    smbwrp_disconnect( pRes, pConn->cli);
                    // reconnect
                    smbwrp_connect( pRes, &pConn->cli);
                    // try file list again next loop
                    rc = smbwrp_filelist( &pRes->srv, pConn->cli, &state);
                    debuglocal(9,"NdpFindStart remote connection lost, retry rc = %d\n", rc);
                }

        debuglocal(9,"NdpFindStart <%s> (%s) cnt %d %d\n", szPath, path, count, rc);

        return rc;
}

int APIENTRY NdpDeletePathInfo (HRESOURCE resource, NDFILEINFOL *pfi)
{
//      debuglocal(9,"NdpDeletePathInfo %d\n", 0);
        return NO_ERROR;
}

int APIENTRY NdpRefresh (HCONNECTION conn, char *path, int tree)
{
        debuglocal(9,"NdpRefresh <%s> %d\n", path, 0);
        return NO_ERROR;
}

int APIENTRY NdpDiscardResourceData (HRESOURCE resource, NDDATABUF *pdatabuf)
{
    // The plugin do not have to deallocate anything
    // because resource data did not contain any pointers
    // to plugins data.
    // Data stored by fsphSetResourceData will be
    // deallocated by NetDrive.

        debuglocal(9,"NdpDicardresourceData %d\n", 0);
        return NO_ERROR;
}

int APIENTRY NdpSetPathInfo (HCONNECTION conn, NDFILEINFOL *pfi, char *szPathName)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char path[CCHMAXPATH+1] = {0};
        smbwrp_fileinfo finfo;

        debug_printf("NdpSetPathInfo in [%p]\n", pConn);

        // delete the dir cache
        dircache_invalidate(szPathName, pRes->pdc, 1);

        do {
                rc = pathparser(pRes, pConn, szPathName, path);
                if (rc)
                {
                        break;
                }

                memset(&finfo, 0, sizeof(finfo));

                strncpy(finfo.fname, path, sizeof(finfo.fname) - 1);
                fsphDosDateToUnixTime(pfi->stat.fdateLastWrite, pfi->stat.ftimeLastWrite, &(finfo.mtime));
                finfo.attr = pfi->stat.attrFile & 0x37;
                rc = smbwrp_setattr(pConn->cli, &finfo);
        } while (0);
        debuglocal(9,"NdpSetPathInfo <%s> (%s) %d\n", szPathName, path, rc);

        return rc;
}

int buildFEALIST(FEALIST *pFEASrc, GEALIST *pGEAList, FEALIST *pFEAList)
{
        int rc = 0;
        FEA * pfea;
        FEA * pfeadest;
        unsigned long size, done = sizeof(pFEAList->cbList), dsize, ddone = sizeof(pFEAList->cbList);

        size = pFEASrc->cbList;
        pfea = pFEASrc->list;
        pfeadest = pFEAList->list;
        dsize = pFEAList->cbList;
//debuglocal(9,"buildFEALIST in destsize %d srcsize %d pGEAList=%08x pGEAList->cbList=%d\n", dsize, ddone, size, pGEAList, pGEAList ? pGEAList->cbList : 0);
        while (done < size)
        {
                char * name = (char *)(pfea + 1);
                int insert = 1;
                if (pGEAList && pGEAList->cbList > sizeof(pGEAList->cbList))
                {
                        GEA * pgea = pGEAList->list;
                        unsigned long size = pGEAList->cbList - sizeof(pGEAList->cbList), done = 0;
                        insert = 0;
                        while (done < size)
                        {
//debuglocal(9,"comp <%s> <%s>\n", name, pgea->szName);
                                if (!ph->fsphStrNCmp(name, pgea->szName, pgea->cbName))
                                {
                                        insert = 1;
                                        break;
                                }
                                done += pgea->cbName + 2;
                                pgea = (GEA *)((char *)pgea + pgea->cbName + 2);
                        }
                }
                if (insert)
                {
                        ddone += sizeof(FEA) + pfea->cbName + 1 + pfea->cbValue;
                        if (ddone <= dsize)
                        {
                                pfeadest->cbName = pfea->cbName;
                                pfeadest->cbValue = pfea->cbValue;
                                pfeadest->fEA = 0;
                                strcpy((char *)(pfeadest + 1), name);
                                memcpy((char *)(pfeadest + 1) + pfea->cbName + 1, (char *)(pfea + 1) + pfea->cbName + 1, pfea->cbValue);
                                pfeadest = (FEA *)((char *)pFEAList + ddone);
                        }
                }
                done += sizeof(FEA) + pfea->cbName + 1 + pfea->cbValue;
//debuglocal(9,"buuildfea <%s> insert=%d pfea->cbName=%d pfea->cbValue=%d srcdone=%d destdone=%d pfeadest=%08x pfea=%08x\n", name, insert, pfea->cbName, pfea->cbValue, done, ddone, pfeadest, pfea);
                pfea = (FEA *)((char *)pFEASrc + done);
        }
        pFEAList->cbList = ddone;
        if (ddone > dsize && dsize > sizeof(pFEAList->cbList))
        {
                rc = ERROR_BUFFER_OVERFLOW;
        }
        debuglocal(9,"buildFEALIST rc=%d destsize=%d destdone=%d srcsize=%d pGEAList=%08x\n", rc, dsize, ddone, size, pGEAList);
        return rc;
}

int APIENTRY NdpEAQuery (HCONNECTION conn, GEALIST *pGEAList, NDFILEINFOL *pfi, FEALIST *pFEAList)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char * path = NULL;
        FEALIST * pFEASrc;
        NDDATABUF fdata = {0};
        smbwrp_fileinfo *finfo;
        char    pBuffer[64*1024];

        if (!pfi || !pfi->pszName || !pFEAList)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }
        if (!pRes->easupport)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }

        rc = ph->fsphGetFileInfoData(pfi, &fdata, 0);
        if (rc || !fdata.ulSize || !fdata.pData)
        {
                debuglocal(9,"NdpEAQuery: ph->fsphGetFileInfoData = %d/%d %08x\n", rc, fdata.ulSize, fdata.pData);
                return ERROR_EAS_NOT_SUPPORTED;
        }
        finfo = (smbwrp_fileinfo *)fdata.pData;
        path = finfo->fname;

        debuglocal(9,"NdpEAQuery in [%p] <%s> %08x %d\n", pConn, path, pGEAList, pGEAList ? pGEAList->cbList : 0);

        do {
                rc = smbwrp_listea( pConn->cli, path, pBuffer, sizeof( pBuffer));
                pFEASrc = (FEALIST*) pBuffer;
                if (rc)
                {
                        //rc = pConn->rc ? pConn->rc : (resp.rc ? resp.rc : ERROR_INVALID_PARAMETER);
                        switch (rc)
                        {
                                case ERROR_FILE_NOT_FOUND :
                                case ERROR_PATH_NOT_FOUND :
                                {
                                        pFEAList->cbList = sizeof(pFEAList->cbList);
                                        rc = NO_ERROR;
                                } break;
                                case ERROR_BUFFER_OVERFLOW :
                                {
                                        pFEAList->cbList = pFEASrc->cbList;
                                } break;
                                default :
                                {
                                        rc = ERROR_EAS_NOT_SUPPORTED;
                                }
                        }
                }
                else
                {
                        rc = buildFEALIST((FEALIST *)pFEASrc, pGEAList, pFEAList);
                }
        } while (0);
        debuglocal(9,"NdpEAQuery <%s> %d %d %d\n", pfi->pszName, rc, pFEASrc->cbList, pFEAList->cbList);

        return rc;
}

int APIENTRY NdpEASet (HCONNECTION conn, FEALIST *pFEAList, NDFILEINFOL *pfi)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        char * path;
        unsigned long action;
        NDDATABUF fdata = {0};
        smbwrp_fileinfo *finfo;

        debuglocal(9,"NdpEASet in [%p]\n", pConn);

        if (!pfi || !pfi->pszName || !pFEAList || pFEAList->cbList <= sizeof(long))
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }
        if (!pRes->easupport)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }

        rc = ph->fsphGetFileInfoData(pfi, &fdata, 0);
        if (rc || !fdata.ulSize || !fdata.pData)
        {
                debuglocal(9,"NdpEASet: ph->fsphGetFileInfoData = %d/%d/%08x\n", rc, fdata.ulSize, fdata.pData);
                return ERROR_EAS_NOT_SUPPORTED;
        }
        finfo = (smbwrp_fileinfo *)fdata.pData;
        path = finfo->fname;

        do {
                // got FEA there
                FEA * pfea;
                unsigned long done = sizeof(long);
                pfea = pFEAList->list;
                while (done < pFEAList->cbList)
                {
                        rc = smbwrp_setea(pConn->cli, path, (char*)(pfea + 1), pfea->cbValue ? (char *)(pfea + 1) + pfea->cbName + 1: NULL, pfea->cbValue);
                        if (rc)
                        {
                                break;
                        }
                        pfea = (FEA *)((char *)(pfea + 1) + pfea->cbName + 1 + pfea->cbValue);
                        done += sizeof(FEA) + pfea->cbName + 1 + pfea->cbValue;
                }
        } while (0);
        debuglocal(9,"NdpEASet %d\n", rc);

        return rc;
}

int APIENTRY NdpEASize (HCONNECTION conn, NDFILEINFOL *pfi, ULONG *pulEASize)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char * path = NULL;
        FEALIST * pfealist;
        NDDATABUF fdata = {0};
        smbwrp_fileinfo *finfo;
        char    pBuffer[64*1024];
        int easize;

        if (!pfi || !pulEASize)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }
        if (!pRes->easupport)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }

        rc = ph->fsphGetFileInfoData(pfi, &fdata, 0);
        if (rc || !fdata.ulSize || !fdata.pData)
        {
                debuglocal(9,"NdpEASize: ph->fsphGetFileInfoData = %d/%d/%08x\n", rc, fdata.ulSize, fdata.pData);
                return ERROR_EAS_NOT_SUPPORTED;
        }
        finfo = (smbwrp_fileinfo *)fdata.pData;
        easize = finfo->easize;
        finfo->easize = -1;
        path = finfo->fname;
        if (easize >= 0)
        {
                *pulEASize = easize;
                debuglocal(9,"NdpEASize <%s> cached %d\n", path, easize);
                return NO_ERROR;
        }

        debuglocal(9,"NdpEASize in [%p] <%s> \n", pConn, path);

        do {
                rc = smbwrp_listea(pConn->cli, path, pBuffer, sizeof( pBuffer));
                pfealist = (FEALIST*)pBuffer;
                if (rc)
                {
                        //rc = pConn->rc ? pConn->rc : (resp.rc ? resp.rc : ERROR_INVALID_PARAMETER);
                        switch (rc)
                        {
                                case ERROR_FILE_NOT_FOUND :
                                case ERROR_PATH_NOT_FOUND :
                                {
                                        pfealist->cbList = sizeof(pfealist->cbList);
                                } /* Fall through */
                                case ERROR_BUFFER_OVERFLOW :
                                {
                                        rc = NO_ERROR;
                                } break;
                                default :
                                {
                                        rc = ERROR_EAS_NOT_SUPPORTED;
                                }
                        }
                }
                *pulEASize = pfealist->cbList;
        } while (0);
        debuglocal(9,"NdpEASize <%s> %d %d\n", pfi->pszName, *pulEASize, rc);

        return rc;
}

int APIENTRY NdpSetCurrentDir (HCONNECTION conn, NDFILEINFOL *pfi, char *szPath)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char path[CCHMAXPATH+1] = {0};
        
        debuglocal(9,"NdpSetCurrentDir in [%p]\n", pConn);

        do {
                rc = pathparser(pRes, pConn, szPath, path);
                if (rc)
                {
                        break;
                }

                rc = smbwrp_chdir(&pRes->srv, pConn->cli, path);
        } while (0);
        debuglocal(9,"NdpSetCurrentDir <%s> (%s) %d\n", szPath, path, rc);

        return rc;
}

int APIENTRY NdpCopy (HCONNECTION conn, NDFILEINFOL *pfiDst, char *szDst, NDFILEINFOL *pfiSrc, char *szSrc, ULONG ulOption)
{
        debuglocal(9,"NdpCopy <%s> -> <%s> %d\n", szSrc, szDst, ERROR_CANNOT_COPY);
        return ERROR_CANNOT_COPY;
}

int APIENTRY NdpCopy2 (HCONNECTION conn, HRESOURCE resDst, NDFILEINFOL *pfiDst, char *szDst, NDFILEINFOL *pfiSrc, char *szSrc, ULONG ulOption)
{
        debuglocal(9,"NdpCopy2 <%s> -> <%s> %d\n", szSrc, szDst, ERROR_CANNOT_COPY);
        return ERROR_CANNOT_COPY;
}

int APIENTRY NdpForceDelete (HCONNECTION conn, NDFILEINFOL *pfi, char *szFile)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char path[CCHMAXPATH+1] = {0};

        debuglocal(9,"NdpForceDelete in [%p]\n", pConn);

        dircache_invalidate(szFile, pRes->pdc, 1);

        do {
                rc = pathparser(pRes, pConn, szFile, path);
                if (rc)
                {
                        break;
                }

                rc = smbwrp_unlink(pConn->cli, path);
        } while (0);
        debuglocal(9,"NdpForceDelete <%s> (%s) %d\n", szFile, path, rc);

        return rc;
}

int APIENTRY NdpCreateDir (HCONNECTION conn, NDFILEINFOL *pfiparent, char *szDirName, FEALIST *pFEAList)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char path[CCHMAXPATH+1] = {0};

        debuglocal(9,"NdpCreateDir in [%p]\n", pConn);

        dircache_invalidate(szDirName, pRes->pdc, 1);

        do {
                rc = pathparser(pRes, pConn, szDirName, path);
                if (rc)
                {
                        break;
                }

                rc = smbwrp_mkdir(pConn->cli, path);
        } while (0);
        debuglocal(9,"NdpCreateDir <%s> (%s) %d\n", szDirName, path, rc);

        return rc;
}

int APIENTRY NdpDeleteDir (HCONNECTION conn, NDFILEINFOL *pfi, char *szDir)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char path[CCHMAXPATH+1] = {0};

        debuglocal(9,"NdpDeleteDir in [%p]\n", pConn);

        dircache_invalidate(szDir, pRes->pdc, 1);

        do {
                rc = pathparser(pRes, pConn, szDir, path);
                if (rc)
                {
                        break;
                }

                rc = smbwrp_rmdir(pConn->cli, path);
        } while (0);
        debuglocal(9,"NdpDeleteDir <%s> (%s) %d\n", szDir, path, rc);

        return rc;
}

int APIENTRY NdpMove (HCONNECTION conn, NDFILEINFOL *pfiDst, char *szDst, NDFILEINFOL *pfiSrc, char *szSrc)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char src[CCHMAXPATH+1] = {0};
        int l1, l2;
        char * p = szDst;

        debuglocal(9,"NdpMove in [%p] from <%s> to <%s>\n", pConn, szSrc, szDst);

        dircache_invalidate(szSrc, pRes->pdc, 1);
        dircache_invalidate(szDst, pRes->pdc, 1);

        do
        {
                rc = pathparser(pRes, pConn, szSrc, src);
                if (rc)
                {
                        break;
                }
                l1 = strlen(szSrc);
                l2 = strlen(src);
                if (l1 > l2)
                {
                        if (ph->fsphStrNICmp(szSrc, szDst, l1 - l2))
                        {
                                // the file moved accross different shares or servers or workgroups
                                rc = ERROR_WRITE_PROTECT;
                                break;
                        }
                        p = szDst + l1 - l2 + 1;
                }
                //pConn->mem[CCHMAXPATH + 1] = '\\';
                rc = smbwrp_rename(pConn->cli, src, p);
        } while (0);
        debuglocal(9,"NdpMove <%s> -> <%s> (%s) %d\n", szSrc, szDst, src, rc);

        return rc;
}

int APIENTRY NdpMove2 (HCONNECTION conn, HRESOURCE resDst, NDFILEINFOL *pfiDst, char *szDst, NDFILEINFOL *pfiSrc, char *szSrc)
{
        debuglocal(9,"NdpMove2 <%s> -> <%s> %d\n", szSrc, szDst, ERROR_WRITE_PROTECT);
        return ERROR_WRITE_PROTECT;
}


int APIENTRY NdpChangeCase (HCONNECTION conn, char *szDst, NDFILEINFOL *pfiSrc, char *szSrc, char *szNewName, ULONG ulNameLen)
{
        return NdpMove (conn, pfiSrc, szDst, pfiSrc, szSrc);
}

int APIENTRY NdpRename (HCONNECTION conn, char *szDst, NDFILEINFOL *pfiSrc, char *szSrc, char *szNewName, ULONG ulNameLen)
{
        return NdpMove (conn, pfiSrc, szDst, pfiSrc, szSrc);
}

int smbopen(Connection *pConn, char *szFileName, int flags, ULONG ulOpenMode, ULONG ulAttribute, FEALIST *pFEAList)
{
        Resource *pRes = pConn->pRes;
        unsigned long action;
        int rc = 0;
        char path[CCHMAXPATH+1] = {0};

        debuglocal(9,"smbopen in [%p] %d\n", pConn, pConn->file.fd);

        if (flags & O_CREAT)
        {
                dircache_invalidate(szFileName, pRes->pdc, 1);
        }
        do {
                if (pConn->file.fd > 0)
                {
                        rc = ERROR_TOO_MANY_OPEN_FILES;
                        break;
                }

                rc = pathparser(pRes, pConn, szFileName, path);
                if (rc)
                {
                        break;
                }

                strncpy(pConn->file.fullname, szFileName, sizeof(pConn->file.fullname) - 1);
                strncpy(pConn->file.fname, path, sizeof(pConn->file.fname) - 1);
                flags |= O_BINARY;
                switch (ulOpenMode & 3)
                {
                        case OPEN_ACCESS_READONLY : flags |= O_RDONLY; break;
                        case OPEN_ACCESS_WRITEONLY : flags |= O_WRONLY; break;
                        case OPEN_ACCESS_READWRITE : flags |= O_RDWR; break;
                        default : flags |= O_RDWR;
                }
                pConn->file.openmode = flags;
                pConn->file.openattr = ulAttribute & 0x37;
                pConn->file.denymode = (ulOpenMode & 0x70) >> 4;
                rc = smbwrp_open(pConn->cli, &pConn->file);
        } while (0);
        debuglocal(9,"smbopen <%s> (%s) %08x %08x %08x %d. file = %d\n", szFileName, path, flags, ulOpenMode, ulAttribute, rc, pConn->file.fd);
        if (!rc && pFEAList)
        {
                int rc1 = NdpFileEASet((HCONNECTION)pConn, (NDFILEHANDLE)0, pFEAList);
                debuglocal(9,"smbopen NdpFileEASet %d. pFEAList->cbList %d\n", rc1, pFEAList->cbList);
        }

        return rc;
}

int APIENTRY NdpOpenReplace (HCONNECTION conn, NDFILEINFOL *pfi, NDFILEHANDLE *phandle, char *szFileName, ULONG ulSize, ULONG ulOpenMode, ULONG ulAttribute, FEALIST *pFEAList)
{
        return smbopen((Connection *)conn, szFileName, O_TRUNC, ulOpenMode, ulAttribute, pFEAList);
}

int APIENTRY NdpOpenReplaceL(HCONNECTION conn, NDFILEINFO *pfi, NDFILEHANDLE *phandle, char *szFileName, LONGLONG llSize, ULONG ulOpenMode, ULONG ulAttribute, FEALIST *pFEAList)
{
        return smbopen((Connection *)conn, szFileName, O_TRUNC, ulOpenMode, ulAttribute, pFEAList);
}

int APIENTRY NdpOpenCreate (HCONNECTION conn, NDFILEINFOL *pfiparent, NDFILEHANDLE *phandle, char *szFileName, ULONG ulSize, ULONG ulOpenMode, ULONG ulAttribute, FEALIST *pFEAList)
{
//      return smbopen((Connection *)conn, szFileName, O_CREAT, ulOpenMode, ulAttribute);
        return smbopen((Connection *)conn, szFileName, O_CREAT | O_EXCL, ulOpenMode, ulAttribute, pFEAList);
}

int APIENTRY NdpOpenCreateL(HCONNECTION conn, NDFILEINFO *pfiparent, NDFILEHANDLE *phandle, char *szFileName, LONGLONG llSize, ULONG ulOpenMode, ULONG ulAttribute, FEALIST *pFEAList)
{
        return smbopen((Connection *)conn, szFileName, O_CREAT | O_EXCL, ulOpenMode, ulAttribute, pFEAList);
}

int APIENTRY NdpOpenExisting (HCONNECTION conn, NDFILEINFOL *pfi, NDFILEHANDLE *phandle, char *szFileName, ULONG ulOpenMode, USHORT *pfNeedEA)
{
        if (pfNeedEA) *pfNeedEA = 0; // wtf is this ?
        return smbopen((Connection *)conn, szFileName, 0, ulOpenMode, 0, NULL);
}

int APIENTRY NdpSetFileAttribute (HCONNECTION conn, NDFILEINFOL *pfi, char *szFileName, USHORT usAttr)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;

        smbwrp_fileinfo finfo;
        char path[CCHMAXPATH+1] = {0};

        debuglocal(9,"NdpSetFileAttribute in [%p]\n", pConn);
        do {
                rc = pathparser(pRes, pConn, szFileName, path);
                if (rc)
                {
                        break;
                }

                memset(&finfo, 0, sizeof(finfo));
                strncpy(finfo.fname, path, sizeof(finfo.fname) - 1);
                finfo.attr = usAttr & 0x37;
                rc = smbwrp_setattr(pConn->cli, &finfo);
        } while (0);
        debuglocal(9,"NdpSetFileAttribute <%s> (%s) %04x %d\n", szFileName, path, usAttr, rc);

        return rc;
}

int APIENTRY NdpFlush (HRESOURCE resource)
{
        debuglocal(9,"NdpFlush %d\n", ERROR_NOT_SUPPORTED);
        return ERROR_NOT_SUPPORTED;
}

// Called when a new thread will call the plugin. Allows to do per thread init, like disable signals.
#define ND_PL_INIT_THREAD 0xFFFF0000

int APIENTRY NdpIOCTL (int type, HRESOURCE resource, char *path, int function, void *in, ULONG insize, PULONG poutlen)
{
    if (function == ND_PL_INIT_THREAD)
       {
          smbwrp_initthread();
          debuglocal(9, "NdpIOCTL init thread\n");
          return NO_ERROR;
       }

    debuglocal(9,"NdpIOCTL <%s> %d\n", path, function);

    if (in && insize > 4096)
    {
        char out[4096];
        sprintf (out, "SAMBA IOCTL function = %d, parms [%s] insize = %d, *poutlen = %d", function, in, insize, *poutlen);
        *poutlen = strlen(out);
        strcpy (in, out);
        return NO_ERROR;
    }

    return ERROR_NOT_SUPPORTED;
}

int APIENTRY NdpFileQueryInfo (HCONNECTION conn, NDFILEHANDLE handle, void *plist)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        smbwrp_fileinfo finfo;

        debug_printf("NdpFileQueryInfo in [%p]\n", pConn);
        do {
                if (pConn->file.fd < 0 || !*pConn->file.fname)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }
                strncpy(finfo.fname, pConn->file.fname, sizeof(finfo.fname) - 1);
                rc = smbwrp_fgetattr(pConn->cli, &pConn->file, &finfo);
                if (!rc)
                {
                        finfo.easize = -1;
                        getfindinfoL(pConn, plist, &finfo, 0, NULL);
                }
        } while (0);
        debuglocal(9,"NdpFileQueryInfo <%s> %d\n", pConn->file.fd < 0 ? "!null!" : pConn->file.fname, rc);

        return rc;
}

int APIENTRY NdpFileEAQuery (HCONNECTION conn, NDFILEHANDLE handle, GEALIST *pGEAList, FEALIST *pFEAList)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char pBuffer[64*1024];
        FEALIST * pFEASrc;

        if (!pFEAList)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }
        if (!pRes->easupport)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }

        debuglocal(9,"NdpFileEAQuery in [%p] <%s>/%d pGEAList=%08x\n", pConn, pConn->file.fname, pConn->file.fd, pGEAList);
        do {
                if (pConn->file.fd < 0)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }
                rc = smbwrp_flistea(pConn->cli, &pConn->file, pBuffer, sizeof( pBuffer));
                pFEASrc = (FEALIST *) pBuffer;
                if (rc)
                {
                        //rc = pConn->rc ? pConn->rc : (resp.rc ? resp.rc : ERROR_INVALID_PARAMETER);
                        switch (rc)
                        {
                                case ERROR_FILE_NOT_FOUND :
                                case ERROR_PATH_NOT_FOUND :
                                {
                                        pFEAList->cbList = sizeof(pFEAList->cbList);
                                        rc = NO_ERROR;
                                } break;
                                case ERROR_BUFFER_OVERFLOW :
                                {
                                        pFEAList->cbList = pFEASrc->cbList;
                                } break;
                                default :
                                {
                                        rc = ERROR_EAS_NOT_SUPPORTED;
                                }
                        }
                }
                else
                {
                        rc = buildFEALIST(pFEASrc, pGEAList, pFEAList);
                }
        } while (0);
        debuglocal(9,"NdpFileEAQuery out <%s>/%d pFEASrc->cbList=%d pFEAList->cbList=%d rc=%d\n", pConn->file.fname, pConn->file.fd, pFEASrc->cbList, pFEAList->cbList, rc);

        return rc;
}

int APIENTRY NdpFileEASet (HCONNECTION conn, NDFILEHANDLE handle, FEALIST *pFEAList)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;

        debuglocal(9,"NdpFileEASet in [%p]\n", pConn);

        if (!pFEAList || pFEAList->cbList <= sizeof(long))
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }
        if (!pRes->easupport)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }

        do {
                // got FEA there
                FEA * pfea;
                unsigned long done = sizeof(long);
                if (pConn->file.fd < 0)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }

                pfea = pFEAList->list;
                while (done < pFEAList->cbList)
                {
                        rc = smbwrp_fsetea(pConn->cli, &pConn->file, (char *)(pfea + 1), pfea->cbValue ? (char *)(pfea + 1) + pfea->cbName + 1: NULL, pfea->cbValue);
                        if (rc)
                        {
                                break;
                        }
                        pfea = (FEA *)((char *)(pfea + 1) + pfea->cbName + 1 + pfea->cbValue);
                        done += sizeof(FEA) + pfea->cbName + 1 + pfea->cbValue;
                }

        } while (0);
        debuglocal(9,"NdpFileEASet %d\n", rc);

        return rc;
}

int APIENTRY NdpFileEASize (HCONNECTION conn, NDFILEHANDLE handle, ULONG *pulEASize)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;
        char path[CCHMAXPATH+1] = {0};
        FEALIST * pFEAList;
        char pBuffer[64*1024];

        if (!pulEASize)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }
        if (!pRes->easupport)
        {
                return ERROR_EAS_NOT_SUPPORTED;
        }

        debuglocal(9,"NdpFileEASize in [%p] <%s>/%d \n", pConn, pConn->file.fname, pConn->file.fd);
        do {
                if (pConn->file.fd < 0)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }
                rc = smbwrp_flistea(pConn->cli, &pConn->file, pBuffer, sizeof(pBuffer));
                pFEAList = (FEALIST*) pBuffer;
                if (rc)
                {
                        //rc = pConn->rc ? pConn->rc : (resp.rc ? resp.rc : ERROR_INVALID_PARAMETER);
                        switch (rc)
                        {
                                case ERROR_FILE_NOT_FOUND :
                                case ERROR_PATH_NOT_FOUND :
                                {
                                        pFEAList->cbList = sizeof(pFEAList->cbList);
                                } /* Fall through */
                                case ERROR_BUFFER_OVERFLOW :
                                {
                                        rc = NO_ERROR;
                                } break;
                                default :
                                {
                                        rc = ERROR_EAS_NOT_SUPPORTED;
                                }
                        }
                }
                *pulEASize = pFEAList->cbList;
        } while (0);
        debuglocal(9,"NdpFileEASize %d %d\n", *pulEASize, rc);

        return rc;
}

int APIENTRY NdpFileSetInfo (HCONNECTION conn, NDFILEHANDLE handle, NDFILEINFOL *pfi)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action, attrFile;

        debug_printf("NdpFileSetInfo in [%p]\n", pConn);

        // delete the dir cache
        dircache_invalidate(pConn->file.fullname, pRes->pdc, 1);

        do {
                if (pConn->file.fd < 0 || !*pConn->file.fname)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }
                attrFile = pfi->stat.attrFile;
                // deferred setinfo - on closing the file
                pConn->file.openattr = attrFile;
                fsphDosDateToUnixTime(pfi->stat.fdateLastWrite, pfi->stat.ftimeLastWrite, &(pConn->file.mtime));
                debug_printf("NdpFileSetInfo mtime %d\n", pConn->file.mtime);
        } while (0);
        debuglocal(9,"NdpFileSetInfo <%s> %08x %d\n", pConn->file.fd < 0 ? "!null!" : pConn->file.fname, attrFile, rc);

        return NO_ERROR;
}

int APIENTRY NdpFileSetFilePtrL(HCONNECTION conn, NDFILEHANDLE handle, LONGLONG llOffset, ULONG ulMethod, LONGLONG *pllActual)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;

        debuglocal(9,"NdpFileSetFilePtrL in [%p]\n", pConn);

        do {
                if (pConn->file.fd < 0)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }

                rc = smbwrp_lseek(pConn->cli, &pConn->file, ulMethod, llOffset);
                if (!rc)
                        *pllActual = pConn->file.offset;

        } while (0);
        debuglocal(9,"NdpFileSetFilePtrL <%s> %lld %lu %lld %d\n", pConn->file.fd < 0 ? "!null!" : pConn->file.fname, llOffset, ulMethod, *pllActual, rc);

        return rc;
}

int APIENTRY NdpFileSetFilePtr (HCONNECTION conn, NDFILEHANDLE handle, LONG lOffset, ULONG ulMethod, ULONG *pulActual)
{
        LONGLONG llActual;
        int rc = NdpFileSetFilePtrL(conn, handle, lOffset, ulMethod, &llActual);
        *pulActual = llActual & 0xFFFFFFFF;
        debuglocal(9,"NdpFileSetFilePtr %ld %lu %ld %d\n", lOffset, ulMethod, *pulActual, rc);
        return rc;
}

int APIENTRY NdpFileClose (HCONNECTION conn, NDFILEHANDLE handle)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;

        debuglocal(9,"NdpFileClose in [%p] %d <%s>\n", pConn, pConn->file.fd, pConn->file.fd < 0 ? "!null!" : pConn->file.fname);

        do {
                if (pConn->file.fd < 0)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }

                rc = smbwrp_close(pConn->cli, &pConn->file);

        } while (0);
        debuglocal(9,"NdpFileClose %d %d\n", pConn->file.fd, rc);

        pConn->file.fd = -1;
        return rc;
}

int APIENTRY NdpFileCommit (HCONNECTION conn, NDFILEHANDLE handle)
{
        debuglocal(9,"NdpFileCommit %d\n", NO_ERROR);
        return NO_ERROR;
}


int APIENTRY NdpFileNewSize (HCONNECTION conn, NDFILEHANDLE handle, ULONG ulLen)
{
        int rc = NdpFileNewSizeL(conn, handle, ulLen);
        debuglocal(9,"NdpFileNewSize %ld %d\n", ulLen, rc);
        return rc;
}

int APIENTRY NdpFileNewSizeL(HCONNECTION conn, NDFILEHANDLE handle, LONGLONG llLen)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long action;

        debuglocal(9,"NdpFileNewSizeL in [%p]\n", pConn);

        do {
                if (pConn->file.fd < 0)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }

                rc = smbwrp_setfilesize(pConn->cli, &pConn->file, llLen); 

        } while (0);
        debuglocal(9,"NdpFileNewSizeL <%s> %lld %d\n", pConn->file.fd < 0 ? "!null!" : pConn->file.fname, llLen, rc);

        return rc;
}

#define NDPSMB_READ_MAX_SIZE (65536 - 4096)

int APIENTRY NdpFileRead (HCONNECTION conn, NDFILEHANDLE handle, void *pBuffer, ULONG ulRead, ULONG *pulActual)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long done = 0;
        unsigned long onedone;
        unsigned long action;
        ULONG ulReadCompleted = 0;

        debuglocal(9,"NdpFileRead in [%p]\n", pConn);

        do {
                if (pConn->file.fd < 0)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }
                while (ulReadCompleted < ulRead)
                {
                        ULONG ulActual;
                        ULONG ulToRead = ulRead - ulReadCompleted;
                        debuglocal(9,"NdpFileRead completed %d, to read %d\n", ulReadCompleted, ulToRead);
                        if (ulToRead > NDPSMB_READ_MAX_SIZE)
                        {
                                ulToRead = NDPSMB_READ_MAX_SIZE;
                        }
                        rc = smbwrp_read(pConn->cli, &pConn->file, (char *)pBuffer + ulReadCompleted, ulToRead, &ulActual);
                        if (ulActual == 0 || rc != NO_ERROR)
                        {
                                break;
                        }
                        ulReadCompleted += ulActual;
                }
                //*pulActual = ulRead;
                //DosSleep(0);

        } while (0);

        if (ulReadCompleted > 0)
        {
                rc = NO_ERROR; /* Still were able to read some data. */
        }

        if (rc == NO_ERROR)
        {
                *pulActual = ulReadCompleted;
        }

        debuglocal(9,"NdpFileRead <%s> %lu %lu %d\n", pConn->file.fd < 0 ? "!null!" : pConn->file.fname, ulRead, *pulActual, rc);

        return rc;
}

int APIENTRY NdpFileWrite (HCONNECTION conn, NDFILEHANDLE handle, void *pBuffer, ULONG ulWrite, ULONG *pulActual)
{
        Connection *pConn = (Connection *)conn;
        Resource *pRes = pConn->pRes;
        int rc = 0;
        unsigned long done = 0;
        unsigned long onedone;
        unsigned long action;

        debuglocal(9,"NdpFileWrite in [%p]\n", pConn);

        /* delete the dir cache
        this was moved from NdpFileClose() becasue if there are a lot files in the tree all are reread
        the problem when moved to here is, that last accessed time is not refreshed
        if this is needed, a new function needs to be done to update only one file in the cache */
        dircache_invalidate(pConn->file.fullname, pRes->pdc, 1);

        do {
                if (pConn->file.fd < 0)
                {
                        rc = ERROR_INVALID_HANDLE;
                        break;
                }
                rc = smbwrp_write(pConn->cli, &pConn->file, pBuffer, ulWrite, pulActual);

        } while (0);
        debuglocal(9,"NdpFileWrite <%s> %lu %lu %d\n", pConn->file.fd < 0 ? "!null!" : pConn->file.fname, ulWrite, *pulActual, rc);

        return rc;
}