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Documentation Generated on Thu Aug 31 00:02:39 2006
Handler Class Reference #include <Handler.h> List of all members. Public Member Functions   Handler ()   ~Handler () bool  init (User *) User *  initializer (int) Public Attributes hash_map< const char *, struct command_info, hash< const char * >, Utilities::eqstr >  cmd_info Private Member Functions bool  interpreter (User *, string) Detailed Description Definition at line 44 of file Handler.h. Constructor & Destructor Documentation Handler::Handler (  )  Definition at line 19 of file Handler.cpp. References Commands::abor(), Commands::auth(), BEFORE_USER, cmd_info, COM_APPE, COM_CCC, COM_CDUP, COM_CONF, COM_CWD, COM_ENC, COM_EPRT, COM_EPSV, COM_FEAT, COM_FROM, COM_LONG, COM_MDTM, COM_MIC, COM_MLSD, COM_MLST, COM_MODE, COM_NOOP, COM_PASV, COM_PBSZ, COM_PORT, COM_PROT, COM_PWD, COM_SHORT, COM_SIZE, COM_STOR, COM_STRU, COM_SYST, COM_TO, COM_TYPE, config, Commands::cwd(), Commands::dele(), Configuration::general, Commands::help(), HLP_ABOR, HLP_APPE, HLP_AUTH, HLP_CCC, HLP_CDUP, HLP_CWD, HLP_DELE, HLP_EPRT, HLP_EPSV, HLP_FEAT, HLP_HELP, HLP_LIST, HLP_MDTM, HLP_MKD, HLP_MLSD, HLP_MLST, HLP_MODE, HLP_NLST, HLP_NOOP, HLP_OPTS, HLP_PASS, HLP_PASV, HLP_PBSZ, HLP_PORT, HLP_PROT, HLP_PWD, HLP_QUIT, HLP_REST, HLP_RETR, HLP_RMD, HLP_RNFR, HLP_RNTO, HLP_SIZE, HLP_STOR, HLP_STRU, HLP_SYST, HLP_TYPE, HLP_USER, Commands::list(), Commands::mkd(), Commands::opts(), Commands::pass(), Commands::pasv(), Commands::port(), Commands::quit(), general_stru::readonly, Commands::rest(), Commands::retr(), Commands::rmd(), Commands::rname(), Commands::sim1(), Commands::sim2(), Commands::stor(), and Commands::user(). { // first argument is number of arguments to the command, they should // be self explaining except the negative ones. -1 means any number, // -2 means anything but 0. // An empty hlp field means no help will be displayed about the command cmd_info["SYST"] = command_info(0, &Commands::sim1, COM_SYST, HLP_SYST); cmd_info["HELP"] = command_info(-1, &Commands::help, BEFORE_USER, HLP_HELP); cmd_info["RETR"] = command_info(-2, &Commands::retr, 0, HLP_RETR); // these commands are disabled if the conf variable readonly in general // sector is enabled. if(!config->general.readonly) { cmd_info["STOR"] = command_info(-2, &Commands::stor, COM_STOR, HLP_STOR); cmd_info["APPE"] = command_info(-2, &Commands::stor, COM_APPE, HLP_APPE); cmd_info["DELE"] = command_info(-2, &Commands::dele, 0, HLP_DELE); cmd_info["RNFR"] = command_info(-2, &Commands::rname, COM_FROM, HLP_RNFR); cmd_info["RNTO"] = command_info(-2, &Commands::rname, COM_TO, HLP_RNTO); cmd_info["MKD"] = command_info(-2, &Commands::mkd, 0, HLP_MKD); cmd_info["RMD"] = command_info(-2, &Commands::rmd, 0, HLP_RMD); cmd_info["XMKD"] = command_info(-2, &Commands::mkd, 0, HLP_MKD); cmd_info["XRMD"] = command_info(-2, &Commands::rmd, 0, HLP_RMD); } cmd_info["PORT"] = command_info(1, &Commands::port, COM_PORT, HLP_PORT); cmd_info["EPRT"] = command_info(1, &Commands::port, COM_EPRT, HLP_EPRT); cmd_info["PASV"] = command_info(0, &Commands::pasv, COM_PASV, HLP_PASV); cmd_info["EPSV"] = command_info(-1, &Commands::pasv, COM_EPSV, HLP_EPSV); cmd_info["PWD"] = command_info(0, &Commands::sim1, COM_PWD, HLP_PWD); cmd_info["CWD"] = command_info(-2, &Commands::cwd, COM_CWD, HLP_CWD); cmd_info["CDUP"] = command_info(0, &Commands::cwd, COM_CDUP, HLP_CDUP); cmd_info["LIST"] = command_info(-1, &Commands::list, COM_LONG, HLP_LIST); cmd_info["NLST"] = command_info(-1, &Commands::list, COM_SHORT, HLP_NLST); cmd_info["TYPE"] = command_info(-2, &Commands::sim1, COM_TYPE, HLP_TYPE); cmd_info["MODE"] = command_info(1, &Commands::sim1, COM_MODE, HLP_MODE); cmd_info["STRU"] = command_info(1, &Commands::sim1, COM_STRU, HLP_STRU); cmd_info["SIZE"] = command_info(-2, &Commands::sim2, COM_SIZE, HLP_SIZE); cmd_info["USER"] = command_info(1, &Commands::user, BEFORE_USER, HLP_USER); cmd_info["PASS"] = command_info(-2, &Commands::pass, BEFORE_USER, HLP_PASS); cmd_info["QUIT"] = command_info(-1, &Commands::quit, BEFORE_USER, HLP_QUIT); cmd_info["NOOP"] = command_info(0, &Commands::sim1, COM_NOOP, HLP_NOOP); cmd_info["MDTM"] = command_info(-2, &Commands::sim2, COM_MDTM, HLP_MDTM); cmd_info["FEAT"] = command_info(0, &Commands::sim1, COM_FEAT | BEFORE_USER, HLP_FEAT); cmd_info["MLST"] = command_info(-2, &Commands::sim2, COM_MLST, HLP_MLST); cmd_info["MLSD"] = command_info(-1, &Commands::list, COM_MLSD, HLP_MLSD); cmd_info["OPTS"] = command_info(-1, &Commands::opts, 0, HLP_OPTS); cmd_info["REST"] = command_info(1, &Commands::rest, 0, HLP_REST); cmd_info["XCWD"] = command_info(-2, &Commands::cwd, COM_CWD, HLP_CWD); cmd_info["XPWD"] = command_info(0, &Commands::sim1, COM_PWD, HLP_PWD); cmd_info["XCUP"] = command_info(0, &Commands::sim1, COM_CDUP, HLP_CDUP); #ifdef USE_TLS cmd_info["AUTH"] = command_info(1, &Commands::auth, BEFORE_USER, HLP_AUTH); cmd_info["PBSZ"] = command_info(1, &Commands::sim1, COM_PBSZ | BEFORE_USER, HLP_PBSZ); cmd_info["PROT"] = command_info(1, &Commands::sim1, COM_PROT | BEFORE_USER, HLP_PROT); cmd_info["CCC"] = command_info(0, &Commands::sim1, COM_CCC, HLP_CCC); // these commands are required to be understood by rfc2228, even if // we don't use them. cmd_info["CONF"] = command_info(-1, &Commands::sim1, COM_CONF | BEFORE_USER, ""); cmd_info["MIC"] = command_info(-1, &Commands::sim1, COM_MIC | BEFORE_USER, ""); cmd_info["ENC"] = command_info(-1, &Commands::sim1, COM_ENC | BEFORE_USER, ""); #endif // USE_TLS cmd_info["ABOR"] = command_info(0, &Commands::abor, 0, HLP_ABOR); } Here is the call graph for this function: Handler::~Handler (  )  Definition at line 88 of file Handler.cpp. References cmd_info. { cmd_info.clear(); } Member Function Documentation bool Handler::init ( User *   )  Definition at line 129 of file Handler.cpp. References Utilities::clean_string(), FAILURE, Connection::settings(), and util. Referenced by user_wrapper(). { while(true) { string command; if(user->settings(FAILURE)) break; *user >> command; util.clean_string(command); if(!command.empty()) this->interpreter(user, command); } return(true); // we're returning to wrapper for exit. } Here is the call graph for this function: class User * Handler::initializer ( int   )  Definition at line 93 of file Handler.cpp. References B_SET, config, general_stru::connection_limit, FAILURE, Configuration::general, Log::log_this(), logging, Connection::settings(), TYPE_INFO, User::User(), user_list, user_list_lock, and general_stru::welcome_msg. Referenced by user_wrapper(). { struct sockaddr_in addr; socklen_t len = sizeof(sockaddr_in); getpeername(socket_id, reinterpret_cast<struct sockaddr*>(&addr), &len); class User *user = new User(socket_id, addr); string log = "new connection from: "; log += inet_ntoa(addr.sin_addr); logging->log_this(3, TYPE_INFO, log); pthread_rwlock_wrlock(&user_list_lock); user_list.push_back(user); pthread_rwlock_unlock(&user_list_lock); string message; pthread_rwlock_rdlock(&user_list_lock); if(static_cast<int>(user_list.size()) > config->general.connection_limit) { // reached maximum number of connections... message = "421 Maximum number of connections reached, please try again later."; user->settings(FAILURE, B_SET); } else { // dns lookup should go here.. find a nice way of doing it. message = "220 " + config->general.welcome_msg; } pthread_rwlock_unlock(&user_list_lock); *user << message << "\r\n"; return(user); } Here is the call graph for this function: bool Handler::interpreter ( User *  , string    ) [private] Definition at line 144 of file Handler.cpp. References BEFORE_USER, cmd_info, comm, StringTokenizer::countTokens(), Utilities::is_set(), Log::log_this(), LOGGED_IN, logging, StringTokenizer::nextToken(), StringTokenizer::restTokens(), StringTokenizer::StringTokenizer(), TYPE_DEBUG, and util. { string argument, message; class StringTokenizer *st = NULL; st = new StringTokenizer(command, " ", false); int words = st->countTokens() - 1; command = st->nextToken(); transform(command.begin(), command.end(), command.begin(), (int(*)(int))toupper); if(command == "SITE") { st->nextToken(); command += " " + st->nextToken(); transform(command.begin() + 4, command.end(), command.begin() + 4, (int(*)(int))toupper); words--; } argument = st->restTokens(); delete(st); if(command != "PASS") logging->log_this(5, TYPE_DEBUG, command + "-" + argument); else logging->log_this(5, TYPE_DEBUG, "PASS-**********"); hash_map<const char*, struct command_info, hash<const char*>, Utilities::eqstr>::iterator cmd_it = cmd_info.find(command.c_str()); if(cmd_it == cmd_info.end()) message = "500 '" + command + "' not understood."; else { if(user->logged_in() < LOGGED_IN && !util.is_set((*(cmd_it)).second.extra_flag,BEFORE_USER)) message = "530 Login with 'USER' and 'PASS' first."; else { if((!user->temp_buf().empty()) && command != "RNTO") user->temp_buf(""); // we don't want this hanging around forever. if(words == 0 && (((*(cmd_it)).second.ant_arg == -2) || (words < (*(cmd_it)).second.ant_arg))) message = "501 '" + command + "': requires an argument."; else if((*(cmd_it)).second.ant_arg >= 0 && words > (*(cmd_it)).second.ant_arg) message = "501 '" + command + "': to many arguments to command."; else ((comm.*(*(cmd_it)).second.pf) (user, argument, (*(cmd_it)).second.extra_flag)); } } if(!message.empty()) *user << message << "\r\n"; return(true); } Here is the call graph for this function: Member Data Documentation hash_map<const char*, struct command_info, hash<const char*>, Utilities::eqstr> Handler::cmd_info Definition at line 54 of file Handler.h. Referenced by Handler(), Commands::help(), interpreter(), and ~Handler(). The documentation for this class was generated from the following files: Handler.h Handler.cpp

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