bfuse.cc

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00001 ///
00002 /// \file       bfuse.cc
00003 ///             FUSE filesystem for Blackberry databases, using Barry.
00004 ///
00005 
00006 /*
00007     Copyright (C) 2008-2011, Net Direct Inc. (http://www.netdirect.ca/)
00008 
00009     This program is free software; you can redistribute it and/or modify
00010     it under the terms of the GNU General Public License as published by
00011     the Free Software Foundation; either version 2 of the License, or
00012     (at your option) any later version.
00013 
00014     This program is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00017 
00018     See the GNU General Public License in the COPYING file at the
00019     root directory of this project for more details.
00020 */
00021 
00022 #define FUSE_USE_VERSION 25
00023 #include <fuse.h>
00024 #include <fuse_opt.h>
00025 
00026 #include <barry/barry.h>
00027 #include <sstream>
00028 #include <getopt.h>
00029 #include <vector>
00030 #include <list>
00031 #include <string>
00032 #include <stdexcept>
00033 #include <memory>
00034 #include <tr1/memory>
00035 #include <errno.h>
00036 #include <sys/types.h>
00037 #include <fcntl.h>
00038 #include <string.h>
00039 #include "i18n.h"
00040 
00041 using namespace std;
00042 using namespace std::tr1;
00043 using namespace Barry;
00044 
00045 // Global filenames
00046 const char *error_log_filename = "error.log";
00047 
00048 // Global command line args
00049 string cmdline_pin;
00050 string cmdline_password;
00051 
00052 //
00053 // Data from the command line
00054 //
00055 
00056 /////////////////////////////////////////////////////////////////////////////
00057 // Command line option handling, through fuse
00058 
00059 //struct opt {
00060 //      char
00061 //};
00062 
00063 void Blurb()
00064 {
00065    int major, minor;
00066    const char *Version = Barry::Version(major, minor);
00067 
00068    cerr
00069    << "bfuse - FUSE filesystem for Blackberry databases\n"
00070    << "        Copyright 2008-2011, Net Direct Inc. (http://www.netdirect.ca/)\n"
00071    << "        Using: " << Version << "\n"
00072    << endl;
00073 }
00074 
00075 void Usage()
00076 {
00077    cerr
00078    << "\n"
00079    << "Barry specific options:\n"
00080    << "   -p pin    PIN of device to talk with\n"
00081    << "             If only one device is plugged in, this flag is optional\n"
00082    << "   -P pass   Simplistic method to specify device password\n"
00083    << endl;
00084 /*
00085    << "   -d db     Specify which database to mount.  If no -d options exist\n"
00086    << "             then all databases will be mounted.\n"
00087    << "             Can be used multiple times to mount more than one DB\n"
00088    << "   -h        This help\n"
00089    << "   -n        Use null parser on all databases.\n"
00090 */
00091 }
00092 
00093 /////////////////////////////////////////////////////////////////////////////
00094 // FUSE specific exception
00095 
00096 class fuse_error : public std::runtime_error
00097 {
00098         int m_errno;
00099 public:
00100         fuse_error(int errno_, const std::string &msg)
00101                 : std::runtime_error(msg), m_errno(errno_)
00102         {}
00103 
00104         int get_errno() const { return m_errno; }
00105 };
00106 
00107 
00108 /////////////////////////////////////////////////////////////////////////////
00109 // Barry record parsers
00110 
00111 class DataDumpParser : public Barry::Parser
00112 {
00113         uint32_t m_id;
00114         std::ostream &m_os;
00115 
00116 public:
00117         explicit DataDumpParser(std::ostream &os)
00118                 : m_os(os)
00119         {
00120         }
00121 
00122         virtual void ParseRecord(const Barry::DBData &data,
00123                                  const Barry::IConverter *ic)
00124         {
00125                 m_id = data.GetUniqueId();
00126                 m_os << "Raw record dump for record: "
00127                         << std::hex << m_id << std::endl;
00128                 m_os << data.GetData() << std::endl;
00129         }
00130 };
00131 
00132 template <class Record>
00133 struct Store
00134 {
00135         std::ostream &m_os;
00136 
00137         explicit Store(std::ostream &os)
00138                 : m_os(os)
00139         {
00140         }
00141 
00142         // storage operator
00143         void operator()(const Record &rec)
00144         {
00145                 m_os << rec;
00146         }
00147 };
00148 
00149 typedef std::auto_ptr<Barry::Parser>            ParserPtr;
00150 
00151 ParserPtr GetParser(const string &name, std::ostream &os, bool null_parser)
00152 {
00153         if( null_parser ) {
00154                 // use null parser
00155                 return ParserPtr( new DataDumpParser(os) );
00156         }
00157         // check for recognized database names
00158         else if( name == Contact::GetDBName() ) {
00159                 return ParserPtr(
00160                         new RecordParser<Contact, Store<Contact> > (
00161                                 new Store<Contact>(os)));
00162         }
00163         else if( name == Message::GetDBName() ) {
00164                 return ParserPtr(
00165                         new RecordParser<Message, Store<Message> > (
00166                                 new Store<Message>(os)));
00167         }
00168         else if( name == Calendar::GetDBName() ) {
00169                 return ParserPtr(
00170                         new RecordParser<Calendar, Store<Calendar> > (
00171                                 new Store<Calendar>(os)));
00172         }
00173         else if( name == CalendarAll::GetDBName() ) {
00174                 return ParserPtr(
00175                         new RecordParser<CalendarAll, Store<CalendarAll> > (
00176                                 new Store<CalendarAll>(os)));
00177         }
00178         else if( name == ServiceBook::GetDBName() ) {
00179                 return ParserPtr(
00180                         new RecordParser<ServiceBook, Store<ServiceBook> > (
00181                                 new Store<ServiceBook>(os)));
00182         }
00183 
00184         else if( name == Memo::GetDBName() ) {
00185                 return ParserPtr(
00186                         new RecordParser<Memo, Store<Memo> > (
00187                                 new Store<Memo>(os)));
00188         }
00189         else if( name == Task::GetDBName() ) {
00190                 return ParserPtr(
00191                         new RecordParser<Task, Store<Task> > (
00192                                 new Store<Task>(os)));
00193         }
00194         else if( name == PINMessage::GetDBName() ) {
00195                 return ParserPtr(
00196                         new RecordParser<PINMessage, Store<PINMessage> > (
00197                                 new Store<PINMessage>(os)));
00198         }
00199         else if( name == SavedMessage::GetDBName() ) {
00200                 return ParserPtr(
00201                         new RecordParser<SavedMessage, Store<SavedMessage> > (
00202                                 new Store<SavedMessage>(os)));
00203         }
00204         else if( name == Folder::GetDBName() ) {
00205                 return ParserPtr(
00206                         new RecordParser<Folder, Store<Folder> > (
00207                                 new Store<Folder>(os)));
00208         }
00209         else if( name == Timezone::GetDBName() ) {
00210                 return ParserPtr(
00211                         new RecordParser<Timezone, Store<Timezone> > (
00212                                 new Store<Timezone>(os)));
00213         }
00214         else {
00215                 // unknown database, use null parser
00216                 return ParserPtr( new DataDumpParser(os) );
00217         }
00218 }
00219 
00220 /////////////////////////////////////////////////////////////////////////////
00221 // PathSplit class
00222 
00223 class PathSplit
00224 {
00225         std::string m_pin, m_db, m_record, m_field, m_remainder;
00226 
00227         int m_level;            // the number of slashes, minus the first
00228                                 // i.e. first level is 0
00229         bool m_is_root;
00230 
00231 public:
00232         explicit PathSplit(const char *path)
00233                 : m_level(-1)
00234                 , m_is_root(false)
00235         {
00236                 if( *path != '/' )
00237                         return;         // return in a failed state
00238 
00239                 if( *(path+1) == 0 ) {
00240                         m_is_root = true;
00241                         return;
00242                 }
00243 
00244                 const char *s = path, *e = path;
00245                 while( *e ) {
00246                         while( *e && *e != '/' )
00247                                 e++;
00248 
00249                         m_level++;
00250 
00251                         if( s != e && (s+1) != e ) {
00252                                 string token(s+1, e);
00253 
00254                                 switch( m_level )
00255                                 {
00256                                 case 0: // root level, should not have token here
00257                                         m_level = -1;
00258                                         return; // failed state
00259 
00260                                 case 1: // have pin
00261                                         m_pin = token;
00262                                         break;
00263 
00264                                 case 2: // have db
00265                                         m_db = token;
00266                                         break;
00267 
00268                                 case 3: // have record
00269                                         m_record = token;
00270                                         break;
00271 
00272                                 case 4: // have field
00273                                         m_field = token;
00274                                         break;
00275 
00276                                 default:        // too many, store remainder and done
00277                                         m_remainder = s;        // keeps slash
00278                                         return;
00279                                 }
00280 
00281                                 // next
00282                                 s = e;
00283                                 if( *e )
00284                                         e++;
00285                         }
00286                         else if( *e ) {
00287                                 // next
00288                                 e++;
00289                         }
00290                 }
00291         }
00292 
00293         bool IsRoot() const { return m_is_root; }
00294         const std::string& Pin() const { return m_pin; }
00295         const std::string& DB() const { return m_db; }
00296         const std::string& Record() const { return m_record; }
00297         const std::string& Field() const { return m_field; }
00298         const std::string& Remainder() const { return m_remainder; }
00299         int Level() const { return m_level; }
00300 };
00301 
00302 
00303 /////////////////////////////////////////////////////////////////////////////
00304 // API classes
00305 
00306 class Entry
00307 {
00308 public:
00309         virtual ~Entry() {}
00310 };
00311 
00312 class Directory : public Entry
00313 {
00314 public:
00315         virtual int ReadDir(void *buf, fuse_fill_dir_t filler) = 0;
00316         virtual void FillDirStat(struct stat *st)
00317         {
00318                 st->st_mode = S_IFDIR | 0555;
00319                 st->st_nlink = 2;
00320         }
00321 };
00322 
00323 class File : public Entry
00324 {
00325 public:
00326         virtual void FillFileStat(const char *path, struct stat *st) = 0;
00327         virtual bool AccessOk(int flags)
00328         {
00329                 // default to readonly files
00330                 return (flags & (O_RDONLY | O_WRONLY | O_RDWR)) == O_RDONLY;
00331         }
00332         virtual int ReadFile(const char *path, char *buf, size_t size, off_t offset) = 0;
00333 };
00334 
00335 typedef Directory*                              DirectoryPtr;
00336 typedef File*                                   FilePtr;
00337 typedef std::string                             NameT;
00338 typedef std::map<NameT, DirectoryPtr>           DirMap;
00339 typedef std::map<NameT, FilePtr>                FileMap;
00340 
00341 static DirMap g_dirmap;
00342 static FileMap g_filemap;
00343 
00344 static Directory* FindDir(const NameT &name)
00345 {
00346         DirMap::iterator di = g_dirmap.find(name);
00347         return di == g_dirmap.end() ? 0 : di->second;
00348 }
00349 
00350 static File* FindFile(const NameT &name)
00351 {
00352         FileMap::iterator fi = g_filemap.find(name);
00353         return fi == g_filemap.end() ? 0 : fi->second;
00354 }
00355 
00356 /////////////////////////////////////////////////////////////////////////////
00357 // Context classes
00358 
00359 class Database : public Directory, public File
00360 {
00361 public:
00362         Barry::Mode::Desktop &m_desk;
00363         std::string m_name;
00364         const Barry::DatabaseItem *m_pdb;
00365 
00366 public:
00367         Database(Barry::Mode::Desktop &desktop,
00368                 const std::string &pin, const Barry::DatabaseItem *pdb)
00369                 : m_desk(desktop)
00370                 , m_pdb(pdb)
00371         {
00372                 m_name = string("/") + pin + "/" + m_pdb->Name;
00373 
00374                 // add to directory list
00375                 g_dirmap[ m_name ] = this;
00376         }
00377 
00378         ~Database()
00379         {
00380                 // remove any entries that point to us
00381                 FileMap::iterator b = g_filemap.begin(), e = g_filemap.end();
00382                 for( ; b != e; ++b ) {
00383                         if( b->second == this ) {
00384                                 g_filemap.erase(b);
00385                         }
00386                 }
00387 
00388                 // erase ourselves from the directory list
00389                 g_dirmap.erase( m_name );
00390         }
00391 
00392         void AddFile(const std::string &recordId)
00393         {
00394                 // FIXME - this is a hack to redirect all record files
00395                 // to this database class... next step is to possibly
00396                 // split out records into field files if we have a
00397                 // parser, or just dump the hex if we don't
00398                 string name = m_name + "/" + recordId;
00399                 g_filemap[ name ] = this;
00400         }
00401 
00402         virtual int ReadDir(void *buf, fuse_fill_dir_t filler)
00403         {
00404                 filler(buf, ".", NULL, 0);
00405                 filler(buf, "..", NULL, 0);
00406 
00407                 // list all records in database, by recordId
00408                 Barry::RecordStateTable rst;
00409                 m_desk.GetRecordStateTable(m_pdb->Number, rst);
00410 
00411                 Barry::RecordStateTable::StateMapType::iterator
00412                         b = rst.StateMap.begin(),
00413                         e = rst.StateMap.end();
00414                 for( ; b != e; ++ b ) {
00415                         ostringstream oss;
00416                         oss << hex << b->second.RecordId;
00417                         filler(buf, oss.str().c_str(), NULL, 0);
00418 
00419                         AddFile(oss.str());
00420                 }
00421                 return 0;
00422         }
00423 
00424         virtual void FillFileStat(const char *path, struct stat *st)
00425         {
00426                 // use the path to find the proper record
00427                 PathSplit ps(path);
00428 
00429                 string constructed = string("/") + ps.Pin() + "/" + ps.DB();
00430                 if( constructed != m_name ) {
00431                         // FIXME - this is shoddy error handling
00432                         throw std::logic_error("Constructed != name");
00433                 }
00434 
00435                 string data = GetRecordData(ps.Record());
00436 
00437                 st->st_mode = S_IFREG | 0444;
00438                 st->st_nlink = 1;
00439                 st->st_size = data.size();
00440         }
00441 
00442         virtual int ReadFile(const char *path, char *buf, size_t size, off_t offset)
00443         {
00444                 // use the path to find the proper record
00445                 PathSplit ps(path);
00446 
00447                 string constructed = string("/") + ps.Pin() + "/" + ps.DB();
00448                 if( constructed != m_name ) {
00449                         // FIXME - this is shoddy error handling
00450                         throw std::logic_error("Constructed != name");
00451                 }
00452 
00453                 string data = GetRecordData(ps.Record());
00454 
00455                 size_t len = data.size();
00456                 if( offset >= 0 && offset < (off_t)len ) {
00457                         if( (offset + size) > len )
00458                                 size = len - offset;
00459                         memcpy(buf, data.data() + offset, size);
00460                 }
00461                 else {
00462                         size = 0;
00463                 }
00464                 return size;
00465         }
00466 
00467         const std::string& GetDBName() const { return m_pdb->Name; }
00468 
00469         std::string GetRecordData(const std::string &recordId)
00470         {
00471                 string data;
00472 
00473                 Barry::RecordStateTable rst;
00474                 m_desk.GetRecordStateTable(m_pdb->Number, rst);
00475 
00476                 uint32_t recid = strtoul(recordId.c_str(), NULL, 16);
00477                 RecordStateTable::IndexType index;
00478                 if( rst.GetIndex(recid, &index) ) {
00479                         ostringstream oss;
00480                         ParserPtr parser = GetParser(m_pdb->Name, oss, false);
00481                         m_desk.GetRecord(m_pdb->Number, index, *parser);
00482                         data = oss.str();
00483                 }
00484 
00485                 return data;
00486         }
00487 };
00488 
00489 class DesktopCon : public Directory
00490 {
00491 public:
00492         typedef std::tr1::shared_ptr<Database>                  DatabasePtr;
00493         typedef std::list<DatabasePtr>                          DBList;
00494 public:
00495         Barry::Controller m_con;
00496         Barry::Mode::Desktop m_desk;
00497         std::string m_pin;
00498         DBList m_dblist;
00499 
00500         DesktopCon(const Barry::ProbeResult &result, const std::string &pin)
00501                 : m_con(result)
00502                 , m_desk(m_con)
00503                 , m_pin(pin)
00504         {
00505                 // add to directory list
00506                 g_dirmap[ string("/") + pin ] = this;
00507         }
00508 
00509         ~DesktopCon()
00510         {
00511                 // remove from directory list
00512                 g_dirmap.erase( string("/") + m_pin );
00513         }
00514 
00515         virtual int ReadDir(void *buf, fuse_fill_dir_t filler)
00516         {
00517                 filler(buf, ".", NULL, 0);
00518                 filler(buf, "..", NULL, 0);
00519 
00520                 // list all databases in list
00521                 DBList::const_iterator b = m_dblist.begin(), e = m_dblist.end();
00522                 for( ; b != e; ++ b ) {
00523                         filler(buf, (*b)->GetDBName().c_str(), NULL, 0);
00524                 }
00525                 return 0;
00526         }
00527 
00528         void Open(const char *password = 0)
00529         {
00530                 // open our device
00531                 m_desk.Open(password);
00532 
00533                 // add all databases as directories
00534                 DatabaseDatabase::DatabaseArrayType::const_iterator
00535                         dbi = m_desk.GetDBDB().Databases.begin(),
00536                         dbe = m_desk.GetDBDB().Databases.end();
00537                 for( ; dbi != dbe; ++dbi ) {
00538                         DatabasePtr db = DatabasePtr(
00539                                 new Database(m_desk, m_pin, &(*dbi)) );
00540                         m_dblist.push_back(db);
00541                 }
00542         }
00543 };
00544 
00545 class Context : public Directory, public File
00546 {
00547 public:
00548         typedef std::auto_ptr<Barry::Probe>                     ProbePtr;
00549         typedef std::tr1::shared_ptr<DesktopCon>                DesktopConPtr;
00550         typedef std::string                                     PinT;
00551         typedef std::map<PinT, DesktopConPtr>                   PinMap;
00552 
00553         ProbePtr m_probe;
00554         PinMap m_pinmap;
00555 
00556         string m_error_log;
00557 
00558         string m_limit_pin;             // only mount device with this pin
00559         string m_password;              // use this password when connecting
00560 
00561 public:
00562         Context(const string &limit_pin = "", const string &password = "")
00563                 : m_limit_pin(limit_pin)
00564                 , m_password(password)
00565         {
00566                 g_dirmap["/"] = this;
00567                 g_filemap[string("/") + error_log_filename] = this;
00568 
00569                 m_error_log = "Hello FUSE world.  This is Barry.  Pleased to meet you.\n";
00570         }
00571 
00572         ~Context()
00573         {
00574                 g_dirmap.erase("/");
00575                 g_filemap.erase(string("/") + error_log_filename);
00576         }
00577 
00578         virtual int ReadDir(void *buf, fuse_fill_dir_t filler)
00579         {
00580                 filler(buf, ".", NULL, 0);
00581                 filler(buf, "..", NULL, 0);
00582                 filler(buf, error_log_filename, NULL, 0);
00583 
00584                 // list all pins in map
00585                 PinMap::const_iterator b = m_pinmap.begin(), e = m_pinmap.end();
00586                 for( ; b != e; ++ b ) {
00587                         filler(buf, b->first.c_str(), NULL, 0);
00588                 }
00589                 return 0;
00590         }
00591 
00592         virtual void FillFileStat(const char *path, struct stat *st)
00593         {
00594                 st->st_mode = S_IFREG | 0444;
00595                 st->st_nlink = 1;
00596                 st->st_size = m_error_log.size();
00597         }
00598 
00599         virtual int ReadFile(const char *path, char *buf, size_t size, off_t offset)
00600         {
00601                 size_t len = m_error_log.size();
00602                 if( offset >= 0 && offset < (off_t)len ) {
00603                         if( (offset + size) > len )
00604                                 size = len - offset;
00605                         memcpy(buf, m_error_log.data() + offset, size);
00606                 }
00607                 else {
00608                         size = 0;
00609                 }
00610                 return size;
00611         }
00612 
00613         void Log(const std::string &msg)
00614         {
00615                 m_error_log += msg;
00616                 m_error_log += "\n";
00617         }
00618 
00619         const std::string& GetLog() const { return m_error_log; }
00620 
00621         void ProbeAll()
00622         {
00623                 // probe the USB bus for Blackberry devices
00624                 m_probe.reset( new Probe );
00625 
00626                 // connect to all PINs found, and add them to our map
00627                 for( int i = 0; i < m_probe->GetCount(); i++ ) {
00628                         string curpin = m_probe->Get(i).m_pin.Str();
00629 
00630                         // don't add a blank or pre-existing pin
00631                         if( !curpin.size() || m_pinmap.find(curpin) != m_pinmap.end() ) {
00632                                 continue;
00633                         }
00634 
00635                         // don't add non-PIN device if pin specified
00636                         if( m_limit_pin.size() && curpin != m_limit_pin ) {
00637                                 continue;
00638                         }
00639 
00640                         DesktopConPtr dev = DesktopConPtr (
00641                                 new DesktopCon(m_probe->Get(i), curpin) );
00642                         dev->Open(m_password.c_str());
00643                         m_pinmap[ curpin ] = dev;
00644                 }
00645         }
00646 
00647         DesktopCon* FindPin(PinT pin)
00648         {
00649                 PinMap::iterator pi = m_pinmap.find(pin);
00650                 return pi == m_pinmap.end() ? 0 : pi->second.get();
00651         }
00652 };
00653 
00654 
00655 /////////////////////////////////////////////////////////////////////////////
00656 // FUSE API hooks
00657 
00658 static void* bfuse_init()
00659 {
00660         // Initialize the barry library.  Must be called before
00661         // anything else.
00662         Barry::Init(false);
00663 
00664         Context *ctx = 0;
00665 
00666         try {
00667                 ctx = new Context(cmdline_pin, cmdline_password);
00668                 ctx->ProbeAll();
00669         }
00670         catch( std::exception &e ) {
00671                 if( ctx ) {
00672                         ctx->Log(e.what());
00673                 }
00674         }
00675 
00676         return ctx;
00677 }
00678 
00679 static void bfuse_destroy(void *data)
00680 {
00681         if( data ) {
00682                 Context *ctx = (Context*) data;
00683                 delete ctx;
00684         }
00685 }
00686 
00687 static int bfuse_getattr(const char *path, struct stat *st)
00688 {
00689         memset(st, 0, sizeof(*st));
00690 
00691         if( Directory *dir = FindDir(path) ) {
00692                 dir->FillDirStat(st);
00693                 return 0;
00694         }
00695         else if( File *file = FindFile(path) ) {
00696                 file->FillFileStat(path, st);
00697                 return 0;
00698         }
00699         else
00700                 return -ENOENT;
00701 }
00702 
00703 static int bfuse_readdir(const char *path, void *buf, fuse_fill_dir_t filler,
00704                          off_t /*offset*/, struct fuse_file_info * /*fi*/)
00705 {
00706         Directory *dir = FindDir(path);
00707         if( !dir )
00708                 return -ENOENT;
00709         return dir->ReadDir(buf, filler);
00710 }
00711 
00712 static int bfuse_open(const char *path, struct fuse_file_info *fi)
00713 {
00714         File *file = FindFile(path);
00715         if( !file )
00716                 return -ENOENT;
00717 
00718         if( !file->AccessOk(fi->flags) )
00719                 return -EACCES;
00720 
00721         return 0;
00722 }
00723 
00724 static int bfuse_read(const char *path, char *buf, size_t size, off_t offset,
00725                       struct fuse_file_info *fi)
00726 {
00727         File *file = FindFile(path);
00728         if( !file )
00729                 return -ENOENT;
00730 
00731         return file->ReadFile(path, buf, size, offset);
00732 }
00733 
00734 // static struct here automatically zeros data
00735 static struct fuse_operations bfuse_oper;
00736 
00737 
00738 /////////////////////////////////////////////////////////////////////////////
00739 // main
00740 
00741 int main(int argc, char *argv[])
00742 {
00743         INIT_I18N(PACKAGE);
00744 
00745         cout.sync_with_stdio(true);     // leave this on, since libusb uses
00746                                         // stdio for debug messages
00747 
00748         Blurb();
00749 
00750         // initialize the operation hooks
00751         bfuse_oper.init         = bfuse_init;
00752         bfuse_oper.destroy      = bfuse_destroy;
00753         bfuse_oper.getattr      = bfuse_getattr;
00754         bfuse_oper.readdir      = bfuse_readdir;
00755         bfuse_oper.open         = bfuse_open;
00756         bfuse_oper.read         = bfuse_read;
00757 
00758         // process command line options before FUSE does
00759         // FUSE does its own command line processing, and
00760         // doesn't seem to have a way to plug into it,
00761         // so do our own first
00762         int fuse_argc = 0;
00763         char **fuse_argv = new char*[argc];
00764 
00765         for( int i = 0; i < argc; i++ ) {
00766                 if( argv[i][0] == '-' ) {
00767 
00768                         switch( argv[i][1] )
00769                         {
00770 //                      case 'd':       // mount dbname
00771 //                              dbNames.push_back(string(optarg));
00772 //                              break;
00773 
00774 //                      case 'n':       // use null parser
00775 //                              null_parser = true;
00776 //                              break;
00777 
00778                         case 'p':       // Blackberry PIN
00779                                 if( i+1 < argc ) {
00780                                         cmdline_pin = argv[++i];
00781                                 }
00782                                 continue;
00783 
00784                         case 'P':       // Device password
00785                                 if( i+1 < argc ) {
00786                                         cmdline_password = argv[++i];
00787                                 }
00788                                 continue;
00789 
00790                         case 'h':       // help
00791                                 Usage();
00792                                 break;
00793                         }
00794                 }
00795 
00796                 // if we get here, add this option to FUSE's
00797                 fuse_argv[fuse_argc] = argv[i];
00798                 fuse_argc++;
00799         }
00800 
00801         int ret = fuse_main(fuse_argc, fuse_argv, &bfuse_oper);
00802         delete [] fuse_argv;
00803         return ret;
00804 }
00805