72d57a0b10
Made some major changes to the project to facilitate a lighter code base and the must flexible module interface possible. -the mutli-process architecture now operate at the command object level so each command now operate in it's own process instead of a single process handling multiple command objects. -each module is now an independent application that will now tell the session object all of the commands it can run via named pipe. during command execution, it will run the requested command object also running io with the session object via named pipe. with this change, it is now possible for modules to be developed in different versions or QT or entirely different languages. the only requirement is the need to support named pipes. shared memory segments is also a nice to have but not needed. -clients can now run multiple instances of the same command via changes to the protocol. mrci frames will now include a branch id along with the command id. the branch id can be used by clients to differentiate the io between instances of the same command. -the command states are longer controlled by a single object. it will now be up to the command object (internal/exterenal) to send an IDLE frame to the client to notify it that the command has finished. the session object will still track if the command is in idle state or not but not directly control it. -must async commands now use binary formatted data instead of TEXT as a way to reduce overhead. -all command objects can now send async commands. it is no longer limited to just internal commands, however; the data of these async commands are verified by session in some way to prevent host crashing due to malformed data. -changed up the database structure to rely more on user ids, channel ids and removed all foreign keys pointing to user names, channel names and sub-channel names. also removed the groups table altogether. instead, the host rank is now directly attached to the user data in the users table. -changed the query object to now support the INNER JOIN SQL clause. this change was needed to support the new database structure. -version negotiation is now one-way via tcp connection or module interface. the host will make it's own verion numner known to the client connected via tcp or the module connected via named pipe. it will now be entirely up to the client or module to decide if they support the host. another change in this regard is the removal of the import rev for the modules. compatibility for modules shall now use just the host verion. -removed ls_cmds and cmd_info. the NEW_CMD frame now carries all information about the command (cmd_id, cmd_name, summery, io and full_description) so it is now possible for the clients to display the command documentation instead of the host. Documentation for the internal commands were updated to reflect the changes but all other documentation will need to be updated in the near future.
471 lines
22 KiB
C++
471 lines
22 KiB
C++
#include "admin.h"
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// This file is part of MRCI.
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// MRCI is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// MRCI is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with MRCI under the LICENSE.md file. If not, see
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// <http://www.gnu.org/licenses/>.
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CloseHost::CloseHost(QObject *parent) : CmdObject(parent) {}
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RestartHost::RestartHost(QObject *parent) : CmdObject(parent) {}
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ServSettings::ServSettings(QObject *parent) : CmdObject(parent) {}
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QString CloseHost::cmdName() {return "close_host";}
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QString RestartHost::cmdName() {return "restart_host";}
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QString ServSettings::cmdName() {return "host_config";}
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void CloseHost::procIn(const QByteArray &binIn, quint8 dType)
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{
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if (dType == TEXT)
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{
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if (flags & MORE_INPUT)
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{
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QString input = fromTEXT(binIn);
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if (input == "CLOSE")
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{
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flags &= ~MORE_INPUT;
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async(ASYNC_EXIT, PRIV_IPC);
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}
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else if (input.isEmpty())
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{
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flags &= ~MORE_INPUT;
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}
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else
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{
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errTxt("err: Invalid response. you need to type 'CLOSE' exactly as shown without the quotes.\n");
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mainTxt("Enter 'CLOSE' to proceed or leave blank to cancel: ");
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}
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}
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else
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{
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flags |= MORE_INPUT;
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mainTxt("You are about to shutdown the host instance, type: 'CLOSE' to proceed or leave blank to cancel: ");
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}
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}
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}
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void RestartHost::procIn(const QByteArray &binIn, quint8 dType)
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{
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if (dType == TEXT)
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{
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if (flags & MORE_INPUT)
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{
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QString input = fromTEXT(binIn);
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if (input == "RESTART")
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{
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flags &= ~MORE_INPUT;
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async(ASYNC_RESTART, PRIV_IPC);
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}
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else if (input.isEmpty())
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{
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flags &= ~MORE_INPUT;
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}
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else if (!input.isEmpty())
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{
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errTxt("err: Invalid response. you need to type 'RESTART' exactly as shown without the quotes.\n");
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mainTxt("Enter 'RESTART' to proceed or leave blank to cancel: ");
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}
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}
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else
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{
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flags |= MORE_INPUT;
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mainTxt("You are about to re-start the host instance, type: 'RESTART' to proceed or leave blank to cancel: ");
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}
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}
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}
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void ServSettings::printSettings()
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{
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Query db(this);
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db.setType(Query::PULL, TABLE_SERV_SETTINGS);
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db.addColumn(COLUMN_PUB_USERS);
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db.addColumn(COLUMN_BAN_LIMIT);
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db.addColumn(COLUMN_LOCK_LIMIT);
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db.addColumn(COLUMN_MAXSESSIONS);
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db.addColumn(COLUMN_INITRANK);
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db.addColumn(COLUMN_MAILERBIN);
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db.addColumn(COLUMN_MAIL_SEND);
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db.addColumn(COLUMN_ENABLE_CONFIRM);
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db.addColumn(COLUMN_ENABLE_PW_RESET);
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db.addColumn(COLUMN_ACTIVE_UPDATE);
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db.addColumn(COLUMN_MAX_SUB_CH);
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db.exec();
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QString pubBool = boolStr(db.getData(COLUMN_PUB_USERS).toBool());
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QString resBool = boolStr(db.getData(COLUMN_ENABLE_PW_RESET).toBool());
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QString conBool = boolStr(db.getData(COLUMN_ENABLE_CONFIRM).toBool());
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QString actBool = boolStr(db.getData(COLUMN_ACTIVE_UPDATE).toBool());
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QString txt;
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QTextStream txtOut(&txt);
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txtOut << "All Sub-Channels Active Update: " << actBool << endl;
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txtOut << "Public Registration: " << pubBool << endl;
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txtOut << "Automated Password Resets: " << resBool << endl;
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txtOut << "Automated Email Verify: " << conBool << endl;
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txtOut << "Maximum Sessions: " << db.getData(COLUMN_MAXSESSIONS).toUInt() << endl;
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txtOut << "Autoban Threshold: " << db.getData(COLUMN_BAN_LIMIT).toUInt() << endl;
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txtOut << "Autolock Threshold: " << db.getData(COLUMN_LOCK_LIMIT).toUInt() << endl;
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txtOut << "Maximum Sub-Channels: " << db.getData(COLUMN_MAX_SUB_CH).toUInt() << endl;
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txtOut << "Initial Host Rank: " << db.getData(COLUMN_INITRANK).toUInt() << endl;
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txtOut << "Database Path: " << sqlDataPath() << endl;
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txtOut << "Mailer Executable: " << db.getData(COLUMN_MAILERBIN).toString() << endl;
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txtOut << "Mailer Command: " << db.getData(COLUMN_MAIL_SEND).toString() << endl << endl;
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mainTxt(txt);
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}
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void ServSettings::printOptions()
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{
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if (level == 0)
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{
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QString txt;
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QTextStream txtOut(&txt);
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txtOut << "[01] Autoban Threshold [02] Autolock Threshold" << endl;
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txtOut << "[03] Max Sessions [04] Public Registration" << endl;
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txtOut << "[05] Initial Rank [06] Mailer Exe" << endl;
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txtOut << "[07] Mailer Command [08] Password Resets" << endl;
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txtOut << "[09] Email Verify [10] Active Update" << endl;
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txtOut << "[11] Max Sub-Channels [00] Exit" << endl << endl;
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txtOut << "Select an option: ";
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level = 1;
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mainTxt(txt);
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}
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}
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void ServSettings::returnToStart()
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{
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select = 0;
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level = 0;
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mainTxt("\n");
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printSettings();
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printOptions();
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}
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void ServSettings::procIn(const QByteArray &binIn, quint8 dType)
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{
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if (dType == TEXT)
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{
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if (flags & MORE_INPUT)
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{
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if (level == 1)
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{
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QString txt;
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QTextStream txtOut(&txt);
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bool ok = false;
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select = fromTEXT(binIn).toInt(&ok);
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if ((select == 1) && ok)
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{
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txtOut << "" << endl;
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txtOut << "The autoban threshold is an integar value that determines how many" << endl;
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txtOut << "failed login attempts can be made to the " << ROOT_USER << " user before the" << endl;
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txtOut << "offending ip address is blocked by the host." << endl << endl;
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txtOut << "Enter a new value (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 2) && ok)
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{
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txtOut << "" << endl;
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txtOut << "The autolock threshold is an integer value that determines how many" << endl;
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txtOut << "failed login attempts can be made before the user account is locked" << endl;
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txtOut << "by the host." << endl << endl;
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txtOut << "note: the " << ROOT_USER << " user never gets locked. instead, the offenders are blocked" << endl;
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txtOut << " by ip address according to the autoban threshold." << endl << endl;
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txtOut << "Enter a new value (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 3) && ok)
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{
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txtOut << "" << endl;
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txtOut << "Max sessions is an integar value that determines how many simultaneous" << endl;
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txtOut << "clients the host will be allowed to run at once." << endl << endl;
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txtOut << "Enter a new value (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 4) && ok)
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{
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txtOut << "" << endl;
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txtOut << "Public registration basically allows un-logged in clients to run the" << endl;
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txtOut << "new_user command. doing this allows un-registered users to become" << endl;
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txtOut << "registered users without the need to contact an admin." << endl << endl;
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txtOut << "[0] Disable" << endl;
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txtOut << "[1] Enable" << endl << endl;
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txtOut << "Select an option (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 5) && ok)
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{
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txtOut << "" << endl;
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txtOut << "The initial host rank is the rank all new user accounts are registered" << endl;
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txtOut << "with when created. the host rank itself is an integer value that" << endl;
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txtOut << "determine what commands each user can or cannot run." << endl << endl;
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txtOut << "Enter a new value (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 6) && ok)
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{
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txtOut << "" << endl;
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txtOut << "This is the path to the command line email client executable" << endl;
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txtOut << "that the host can utilize to send emails to registered users." << endl << endl;
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txtOut << "note: the host assumes the email application already has a" << endl;
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txtOut << " configured sender email address/server." << endl << endl;
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txtOut << "Enter a new path (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 7) && ok)
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{
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txtOut << "" << endl;
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txtOut << "This is the command line that will be used with the email client" << endl;
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txtOut << "executable to send emails to registered users. it must contain the" << endl;
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txtOut << "keywords " << SUBJECT_SUB << ", " << TARGET_EMAIL_SUB << " and " << MSG_SUB << " to be" << endl;
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txtOut << "acceptable. the host will substitute these keywords for actual" << endl;
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txtOut << "parameters when calling the email client." << endl << endl;
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txtOut << "Enter a new command line (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 8) && ok)
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{
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txtOut << "" << endl;
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txtOut << "This enables automated password resets via email so users can" << endl;
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txtOut << "reset their account passwords without the need to contact an" << endl;
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txtOut << "admin. this basically tells the host if it is allowed to load" << endl;
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txtOut << "the request_pw_reset and recover_account commands or not." << endl << endl;
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txtOut << "[0] Disable" << endl;
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txtOut << "[1] Enable" << endl << endl;
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txtOut << "Select an option (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 9) && ok)
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{
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txtOut << "" << endl;
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txtOut << "This enables automated email confirmations. this tells the" << endl;
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txtOut << "host if it is allowed to load the confirm_email command." << endl << endl;
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txtOut << "[0] Disable" << endl;
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txtOut << "[1] Enable" << endl << endl;
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txtOut << "Select an option (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 10) && ok)
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{
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txtOut << "" << endl;
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txtOut << "This option tells the host if all sub-channels should be considered" << endl;
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txtOut << "active or not. otherwise, the active flag can be toggled on/off at the" << endl;
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txtOut << "sub-channel level. active sub-channels send/receive PEER_INFO or" << endl;
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txtOut << "PEER_STAT frames with each other so all peers connected to the" << endl;
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txtOut << "sub-channel can be made aware of each other's public information." << endl;
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txtOut << "without the active flag, no such frames are transffered." << endl << endl;
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txtOut << "[0] Disable" << endl;
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txtOut << "[1] Enable" << endl << endl;
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txtOut << "Select an option (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 11) && ok)
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{
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txtOut << "" << endl;
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txtOut << "This option sets the maximum amount of sub-channels each channel can" << endl;
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txtOut << "have. the hard maximum is 256 and the minimum is 1." << endl << endl;
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txtOut << "Enter a new value (leave blank to cancel): ";
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level = 2;
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}
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else if ((select == 0) && ok)
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{
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flags &= ~MORE_INPUT;
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}
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else
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{
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txtOut << "" << endl << "Select an option: ";
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}
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mainTxt(txt);
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}
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else if (level == 2)
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{
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QString value = fromTEXT(binIn);
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if (value.isEmpty())
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{
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mainTxt("\n");
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returnToStart();
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}
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else
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{
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if ((select == 1) || (select == 2) || (select == 3) || (select == 5))
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{
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bool ok;
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quint32 num = value.toUInt(&ok, 10);
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if (!ok)
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{
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errTxt("err: Invalid 32bit unsigned integer. valid range: 1-4294967295.\n");
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mainTxt("Enter a new value (leave blank to cancel): ");
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}
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else if (num == 0)
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{
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errTxt("err: This value cannot be 0, valid range: 1-4294967295.\n");
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mainTxt("Enter a new value (leave blank to cancel): ");
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}
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else
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{
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Query db(this);
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db.setType(Query::UPDATE, TABLE_SERV_SETTINGS);
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if (select == 1) db.addColumn(COLUMN_BAN_LIMIT, num);
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else if (select == 2) db.addColumn(COLUMN_LOCK_LIMIT, num);
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else if (select == 3) db.addColumn(COLUMN_MAXSESSIONS, num);
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else db.addColumn(COLUMN_INITRANK, num);
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db.exec();
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if (select == 3)
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{
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async(ASYNC_MAXSES, PRIV_IPC, wrInt(num, BLKSIZE_HOST_LOAD * 8));
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}
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returnToStart();
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}
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}
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else if ((select == 4) || (select == 8) || (select == 9) || (select == 10))
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{
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if (!isBool(value))
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{
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errTxt("err: Invalid boolean value. must be 0 (false) or 1 (true).\n");
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mainTxt("Select an option (leave blank to cancel): ");
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}
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else
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{
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QString column;
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if (select == 4) column = COLUMN_PUB_USERS;
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else if (select == 8) column = COLUMN_ENABLE_PW_RESET;
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else if (select == 9) column = COLUMN_ENABLE_CONFIRM;
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else column = COLUMN_ACTIVE_UPDATE;
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Query db(this);
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db.setType(Query::UPDATE, TABLE_SERV_SETTINGS);
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db.addColumn(column, static_cast<bool>(value.toUInt()));
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db.exec();
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returnToStart();
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}
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}
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else if (select == 6)
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{
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if (!QFile::exists(expandEnvVariables(value)))
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{
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errTxt("err: The given file: '" + value + "' does not exists.\n");
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mainTxt("Enter a new path (leave blank to cancel): ");
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}
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else
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{
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Query db(this);
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db.setType(Query::UPDATE, TABLE_SERV_SETTINGS);
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db.addColumn(COLUMN_MAILERBIN, value);
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db.exec();
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returnToStart();
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}
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}
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else if (select == 7)
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{
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if (!value.contains(SUBJECT_SUB, Qt::CaseInsensitive))
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{
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errTxt("err: The '" + QString(SUBJECT_SUB) + "' keyword is missing.\n");
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mainTxt("Enter a new command line (leave blank to cancel): ");
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}
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else if (!value.contains(TARGET_EMAIL_SUB, Qt::CaseInsensitive))
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{
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errTxt("err: The '" + QString(TARGET_EMAIL_SUB) + "' keyword is missing.\n");
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mainTxt("Enter a new command line (leave blank to cancel): ");
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}
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else if (!value.contains(MSG_SUB, Qt::CaseInsensitive))
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{
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errTxt("err: The '" + QString(MSG_SUB) + "' keyword is missing.\n");
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mainTxt("Enter a new command line (leave blank to cancel): ");
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}
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else
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{
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Query db(this);
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db.setType(Query::UPDATE, TABLE_SERV_SETTINGS);
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db.addColumn(COLUMN_MAIL_SEND, value);
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db.exec();
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returnToStart();
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}
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}
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else if (select == 11)
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{
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if (!isInt(value))
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{
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errTxt("err: '" + value + "' is not a valid integer.\n");
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mainTxt("Enter a new value (leave blank to cancel): ");
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}
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else if ((value.toInt() < 1) || (value.toInt() > 256))
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{
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errTxt("err: A valid maximum sub-channels value ranges between 1-256.\n");
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mainTxt("Enter a new value (leave blank to cancel): ");
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}
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else
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{
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Query db(this);
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db.setType(Query::UPDATE, TABLE_SERV_SETTINGS);
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db.addColumn(COLUMN_MAX_SUB_CH, value.toInt());
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db.exec();
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returnToStart();
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}
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}
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}
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}
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}
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else
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{
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select = 0;
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level = 0;
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flags |= MORE_INPUT;
|
|
|
|
printSettings();
|
|
printOptions();
|
|
}
|
|
}
|
|
}
|