1490 lines
36 KiB
C++
1490 lines
36 KiB
C++
/**
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* rmanager.cpp
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* This file is part of the YATE Project http://YATE.null.ro
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*
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* This module gets the messages from YATE out so anyone can use an
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* administrating interface.
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*
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* Yet Another Telephony Engine - a fully featured software PBX and IVR
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* Copyright (C) 2004-2006 Null Team
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <yatengine.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <errno.h>
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#include <string.h>
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#include <stdio.h>
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#include <fcntl.h>
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#ifdef HAVE_COREDUMPER
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#include <google/coredumper.h>
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#endif
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using namespace TelEngine;
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namespace { // anonymous
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typedef struct {
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const char* name;
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const char* args;
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const char** more;
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const char* desc;
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} CommandInfo;
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static const char* s_bools[] =
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{
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"on",
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"off",
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"enable",
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"disable",
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"true",
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"false",
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0
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};
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static const char* s_level[] =
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{
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"level",
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"on",
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"off",
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"enable",
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"disable",
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"true",
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"false",
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0
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};
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static const char* s_debug[] =
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{
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"threshold",
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0
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};
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static const char* s_oview[] =
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{
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"overview",
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0
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};
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static const char* s_dall[] =
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{
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"all",
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0
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};
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static const char* s_rnow[] =
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{
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"now",
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0
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};
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static const CommandInfo s_cmdInfo[] =
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{
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// Unauthenticated commands
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{ "quit", 0, 0, "Disconnect this control session from Yate" },
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{ "echo", "[on|off]", s_bools, "Show or turn remote echo on or off" },
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{ "help", "[command]", 0, "Provide help on all or given command" },
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{ "auth", "password", 0, "Authenticate so you can access privileged commands" },
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// User commands
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{ "status", "[overview] [modulename]", s_oview, "Shows status of all or selected modules or channels" },
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{ "uptime", 0, 0, "Show information on how long Yate has run" },
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{ "machine", "[on|off]", s_bools, "Show or turn machine output mode on or off" },
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{ "output", "[on|off]", s_bools, "Show or turn local output on or off" },
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{ "color", "[on|off]", s_bools, "Show status or turn local colorization on or off" },
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// Admin commands
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{ "debug", "[module] [level|on|off]", s_level, "Show or change debugging level globally or per module" },
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#ifdef HAVE_COREDUMPER
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{ "coredump", "[filename]", 0, "Dumps memory image of running Yate to a file" },
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#endif
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{ "drop", "{chan|*|all} [reason]", s_dall, "Drops one or all active calls" },
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{ "call", "chan target", 0, "Execute an outgoing call" },
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{ "control", "chan [operation] [param=val] [param=...]", 0, "Apply arbitrary control operations to a channel or entity" },
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{ "reload", "[plugin]", 0, "Reloads module configuration files" },
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{ "restart", "[now]", s_rnow, "Restarts the engine if executing supervised" },
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{ "stop", "[exitcode]", 0, "Stops the engine with optionally provided exit code" },
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{ "alias", "[name [command...]]", 0, "Create an alias for a longer command" },
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{ 0, 0, 0, 0 }
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};
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static void completeWords(String& str, const char** list, const char* partial = 0)
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{
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if (!list)
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return;
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for (; *list; list++) {
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String tmp = *list;
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if (null(partial) || tmp.startsWith(partial))
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str.append(tmp,"\t");
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}
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}
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static Mutex s_mutex(true,"RManager");
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//we gonna create here the list with all the new connections.
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static ObjList s_connList;
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// the incomming connections listeners list
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static ObjList s_listeners;
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class Connection;
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class RManagerThread;
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class SockRef : public RefObject
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{
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public:
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inline SockRef(Socket** sock)
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: m_sock(sock)
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{ }
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void* getObject(const String& name) const
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{
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if (name == "Socket*")
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return m_sock;
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return RefObject::getObject(name);
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}
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private:
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Socket** m_sock;
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};
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class RManagerListener : public RefObject
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{
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friend class RManagerThread;
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public:
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inline RManagerListener(const NamedList& sect)
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: m_cfg(sect)
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{ }
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~RManagerListener();
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void init();
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inline NamedList& cfg()
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{ return m_cfg; }
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private:
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void run();
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bool initSocket();
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Connection* checkCreate(Socket* sock, const char* addr);
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NamedList m_cfg;
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Socket m_socket;
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String m_address;
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};
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class RManagerThread : public Thread
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{
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public:
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inline RManagerThread(RManagerListener* listener)
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: Thread("RManager Listener"), m_listener(listener)
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{ }
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virtual void run()
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{ m_listener->run(); }
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private:
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RefPointer<RManagerListener> m_listener;
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};
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class Connection : public GenObject, public Thread
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{
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public:
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enum Level {
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None = 0,
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User,
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Admin
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};
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Connection(Socket* sock, const char* addr, RManagerListener* listener);
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~Connection();
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virtual void run();
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bool processTelnetChar(unsigned char c);
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bool processChar(unsigned char c);
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bool processLine(const char *line, bool saveLine = true);
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bool autoComplete();
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void errorBeep();
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void clearLine();
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void writeStr(const char *str, int len = -1);
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void writeDebug(const char *str, int level);
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void writeEvent(const char *str, int level);
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void writeStr(const Message &msg, bool received);
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inline void writeStr(const String &s)
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{ writeStr(s.safe(),s.length()); }
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inline const String& address() const
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{ return m_address; }
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inline const NamedList& cfg() const
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{ return m_listener->cfg(); }
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void checkTimer(u_int64_t time);
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private:
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NamedList m_aliases;
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Level m_auth;
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bool m_debug;
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bool m_output;
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bool m_colorize;
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bool m_machine;
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int m_threshold;
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Socket* m_socket;
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unsigned char m_lastch;
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unsigned char m_escmode;
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bool m_echoing;
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bool m_beeping;
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u_int64_t m_timeout;
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String m_buffer;
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String m_address;
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String m_lastcmd;
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RefPointer<RManagerListener> m_listener;
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};
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class RManager : public Plugin
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{
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public:
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RManager();
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~RManager();
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virtual void initialize();
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virtual bool isBusy() const;
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private:
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bool m_first;
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};
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class RHook : public MessagePostHook
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{
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public:
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virtual void dispatched(const Message& msg, bool handled);
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};
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static void dbg_remote_func(const char *buf, int level)
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{
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s_mutex.lock();
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ObjList* p = &s_connList;
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for (; p; p=p->next()) {
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Connection *con = static_cast<Connection *>(p->get());
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if (con)
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con->writeDebug(buf,level);
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}
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s_mutex.unlock();
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}
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RManagerListener::~RManagerListener()
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{
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DDebug("RManager",DebugInfo,"No longer listening '%s' on %s",
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m_cfg.c_str(),m_address.c_str());
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s_mutex.lock();
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s_listeners.remove(this,false);
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s_mutex.unlock();
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}
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void RManagerListener::init()
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{
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if (initSocket()) {
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s_mutex.lock();
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s_listeners.append(this);
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s_mutex.unlock();
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}
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deref();
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}
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bool RManagerListener::initSocket()
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{
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// check configuration
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int port = m_cfg.getIntValue("port",5038);
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const char* host = c_safe(m_cfg.getValue("addr","127.0.0.1"));
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if (!(port && *host))
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return false;
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m_socket.create(AF_INET, SOCK_STREAM);
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if (!m_socket.valid()) {
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Debug("RManager",DebugGoOn,"Unable to create the listening socket: %s",
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strerror(m_socket.error()));
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return false;
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}
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if (!m_socket.setBlocking(false)) {
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Debug("RManager",DebugGoOn, "Failed to set listener to nonblocking mode: %s",
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strerror(m_socket.error()));
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return false;
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}
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SocketAddr sa(AF_INET);
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sa.host(host);
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sa.port(port);
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m_address << sa.host() << ":" << sa.port();
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m_socket.setReuse();
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if (!m_socket.bind(sa)) {
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Debug("RManager",DebugGoOn,"Failed to bind to %s : %s",
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m_address.c_str(),strerror(m_socket.error()));
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return false;
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}
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if (!m_socket.listen(2)) {
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Debug("RManager",DebugGoOn,"Unable to listen on socket: %s",
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strerror(m_socket.error()));
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return false;
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}
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Debug("RManager",DebugInfo,"Starting listener '%s' on %s",
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m_cfg.c_str(),m_address.c_str());
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RManagerThread* t = new RManagerThread(this);
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if (t->startup())
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return true;
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delete t;
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return false;
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}
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void RManagerListener::run()
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{
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for (;;)
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{
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Thread::idle(true);
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SocketAddr sa;
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Socket* as = m_socket.accept(sa);
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if (!as) {
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if (!m_socket.canRetry())
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Debug("RManager",DebugWarn, "Accept error: %s",strerror(m_socket.error()));
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continue;
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} else {
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String addr(sa.host());
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addr << ":" << sa.port();
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if (!checkCreate(as,addr))
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Debug("RManager",DebugWarn,"Connection rejected for %s",addr.c_str());
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}
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}
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}
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Connection* RManagerListener::checkCreate(Socket* sock, const char* addr)
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{
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if (!sock->valid()) {
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delete sock;
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return 0;
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}
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const NamedString* secure = m_cfg.getParam("context");
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if (TelEngine::null(secure))
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secure = m_cfg.getParam("domain");
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if (TelEngine::null(secure))
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secure = 0;
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if (secure) {
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Message m("socket.ssl");
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m.addParam("server",String::boolText(true));
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m.addParam(secure->name(),*secure);
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m.copyParam(m_cfg,"verify");
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SockRef* s = new SockRef(&sock);
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m.userData(s);
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TelEngine::destruct(s);
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if (!(Engine::dispatch(m) && sock)) {
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Debug("RManager",DebugWarn, "Failed to switch '%s' to SSL for %s '%s'",
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cfg().c_str(),secure->name().c_str(),secure->c_str());
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delete sock;
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return 0;
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}
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}
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else if (!sock->setBlocking(false)) {
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Debug("RManager",DebugGoOn, "Failed to set tcp socket to nonblocking mode: %s",
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strerror(sock->error()));
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delete sock;
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return 0;
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}
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// should check IP address here
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Output("Remote%s connection from %s to %s",
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(secure ? " secure" : ""),addr,m_address.c_str());
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Connection* conn = new Connection(sock,addr,this);
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if (conn->error()) {
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conn->destruct();
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return 0;
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}
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conn->startup();
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return conn;
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}
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Connection::Connection(Socket* sock, const char* addr, RManagerListener* listener)
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: Thread("RManager Connection"),
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m_aliases(""),
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m_auth(None), m_debug(false), m_output(false), m_colorize(false), m_machine(false),
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m_threshold(DebugAll),
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m_socket(sock), m_lastch(0), m_escmode(0), m_echoing(false), m_beeping(false),
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m_timeout(0), m_address(addr), m_listener(listener)
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{
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s_mutex.lock();
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s_connList.append(this);
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s_mutex.unlock();
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}
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Connection::~Connection()
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{
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m_debug = false;
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m_output = false;
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s_mutex.lock();
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s_connList.remove(this,false);
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s_mutex.unlock();
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Output("Closing connection to %s",m_address.c_str());
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delete m_socket;
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m_socket = 0;
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}
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void Connection::run()
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{
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if (!m_socket)
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return;
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// For the sake of responsiveness try to turn off the tcp assembly timer
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int arg = 1;
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if (cfg().getBoolValue("interactive",false) &&
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!m_socket->setOption(SOL_SOCKET, TCP_NODELAY, &arg, sizeof(arg)))
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Debug("RManager",DebugMild, "Failed to set tcp socket to TCP_NODELAY mode: %s", strerror(m_socket->error()));
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if (cfg().getValue("userpass")) {
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int tout = cfg().getIntValue("timeout",30000);
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if (tout > 0) {
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if (tout < 5000)
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tout = 5000;
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m_timeout = Time::now() + 1000 * tout;
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}
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}
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else {
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m_auth = cfg().getValue("password") ? User : Admin;
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m_output = cfg().getBoolValue("output",false);
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if (Admin == m_auth)
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m_debug = cfg().getBoolValue("debug",false);
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}
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String hdr = cfg().getValue("header","YATE ${version}-${release} (http://YATE.null.ro) ready on ${nodename}.");
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Engine::runParams().replaceParams(hdr);
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if (cfg().getBoolValue("telnet",true)) {
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m_colorize = cfg().getBoolValue("color",false);
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// WILL SUPPRESS GO AHEAD, WILL ECHO - and enough BS and blanks to hide them
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writeStr("\377\373\003\377\373\001\r \b\b\b\b\b\b");
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}
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if (hdr) {
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writeStr("\r" + hdr + "\r\n");
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hdr.clear();
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}
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NamedIterator iter(cfg());
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while (const NamedString* s = iter.get()) {
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if (s->null() || !s->name().startsWith("alias:"))
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continue;
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String name = s->name().substr(6).trimSpaces();
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if (name)
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m_aliases.setParam(name,*s);
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}
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unsigned char buffer[128];
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while (m_socket && m_socket->valid()) {
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Thread::check();
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bool readok = false;
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bool error = false;
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if (m_socket->select(&readok,0,&error,10000)) {
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// rearm the error beep
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m_beeping = false;
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if (error) {
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Debug("RManager",DebugInfo,"Socket exception condition on %d",m_socket->handle());
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return;
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}
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if (!readok)
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continue;
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int readsize = m_socket->readData(buffer,sizeof(buffer));
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if (!readsize) {
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Debug("RManager",DebugInfo,"Socket condition EOF on %d",m_socket->handle());
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return;
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}
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else if (readsize > 0) {
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for (int i = 0; i < readsize; i++)
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if (processTelnetChar(buffer[i]))
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return;
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}
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else if (!m_socket->canRetry()) {
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Debug("RManager",DebugWarn,"Socket read error %d on %d",errno,m_socket->handle());
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return;
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}
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}
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else if (!m_socket->canRetry()) {
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Debug("RManager",DebugWarn,"socket select error %d on %d",errno,m_socket->handle());
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return;
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}
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}
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}
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// generates a beep - just one per processed buffer
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void Connection::errorBeep()
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{
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if (m_beeping)
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return;
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m_beeping = true;
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writeStr("\a");
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}
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// clears the current line to end
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void Connection::clearLine()
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{
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writeStr("\r\033[K\r");
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}
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|
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// process incoming telnet characters
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bool Connection::processTelnetChar(unsigned char c)
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{
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XDebug("RManager",DebugInfo,"char=0x%02X '%s%c'",
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c,(c >= ' ') ? "" : "^", (c >= ' ') ? c : c+0x40);
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if (m_lastch == 255) {
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m_lastch = 0;
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switch (c) {
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case 241: // NOP
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return false;
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case 243: // BREAK
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c = 0x1C;
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break;
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case 244: // IP
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c = 0x03;
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break;
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case 247: // EC
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c = 0x08;
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break;
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case 248: // EL
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c = 0x15;
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break;
|
|
case 251: // WILL
|
|
case 252: // WON'T
|
|
case 253: // DO
|
|
case 254: // DON'T
|
|
m_lastch = c;
|
|
return false;
|
|
case 255: // IAC
|
|
break;
|
|
default:
|
|
Debug("RManager",DebugMild,"Unsupported telnet command %u (0x%02X)",c,c);
|
|
return false;
|
|
}
|
|
}
|
|
else if (m_lastch) {
|
|
DDebug("RManager",DebugMild,"Command %u param %u",m_lastch,c);
|
|
switch (m_lastch) {
|
|
case 251: // WILL
|
|
switch (c) {
|
|
case 1: // ECHO
|
|
m_echoing = false;
|
|
writeStr("\377\374\001"); // WON'T ECHO
|
|
break;
|
|
}
|
|
case 252: // WON'T
|
|
break;
|
|
case 253: // DO
|
|
switch (c) {
|
|
case 1: // ECHO
|
|
m_echoing = true;
|
|
writeStr("\377\373\001"); // WILL ECHO
|
|
break;
|
|
case 3: // SUPPRESS GO AHEAD
|
|
writeStr("\377\373\003"); // WILL SUPPRESS GO AHEAD
|
|
break;
|
|
case 18: // LOGOUT
|
|
writeStr("\377\373\022"); // WILL LOGOUT
|
|
return true;
|
|
default:
|
|
writeStr("\377\374"); // WON'T ...
|
|
writeStr((const char*)&c,1);
|
|
break;
|
|
}
|
|
break;
|
|
case 254: // DON'T
|
|
switch (c) {
|
|
case 1:
|
|
m_echoing = false;
|
|
writeStr("\377\374\001"); // WON'T ECHO
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
m_lastch = 0;
|
|
return false;
|
|
}
|
|
else if (c == 255) {
|
|
m_lastch = c;
|
|
return false;
|
|
}
|
|
return processChar(c);
|
|
}
|
|
|
|
// process incoming terminal characters
|
|
bool Connection::processChar(unsigned char c)
|
|
{
|
|
switch (c) {
|
|
case '\0':
|
|
m_escmode = 0;
|
|
return false;
|
|
case 0x1B: // ESC
|
|
m_escmode = c;
|
|
return false;
|
|
case '\n':
|
|
m_escmode = 0;
|
|
if (m_buffer.null())
|
|
return false;
|
|
case '\r':
|
|
m_escmode = 0;
|
|
if (m_echoing)
|
|
writeStr("\r\n");
|
|
if (processLine(m_buffer))
|
|
return true;
|
|
m_buffer.clear();
|
|
return false;
|
|
case 0x03: // ^C, BREAK
|
|
m_escmode = 0;
|
|
writeStr("^C\r\n");
|
|
return true;
|
|
case 0x04: // ^D, UNIX EOF
|
|
m_escmode = 0;
|
|
if (m_buffer) {
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
return processLine("quit",false);
|
|
case 0x1C: // ^backslash
|
|
if (m_buffer)
|
|
break;
|
|
return processLine("reload",false);
|
|
case 0x05: // ^E
|
|
m_escmode = 0;
|
|
m_echoing = !m_echoing;
|
|
return false;
|
|
case 0x0F: // ^O
|
|
m_escmode = 0;
|
|
if (m_auth < User) {
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
// cycle [no output] -> [output] -> [debug (only if admin)]
|
|
if (m_debug)
|
|
m_output = m_debug = false;
|
|
else if (m_output) {
|
|
m_output = false;
|
|
if ((m_debug = (m_auth >= Admin)))
|
|
Debugger::enableOutput(true);
|
|
}
|
|
else
|
|
m_output = true;
|
|
return false;
|
|
case 0x0C: // ^L
|
|
if (!m_echoing)
|
|
break;
|
|
writeStr("\033[H\033[2J");
|
|
writeStr(m_buffer);
|
|
return false;
|
|
case 0x12: // ^R
|
|
if (!m_echoing)
|
|
break;
|
|
clearLine();
|
|
writeStr(m_buffer);
|
|
return false;
|
|
case 0x15: // ^U
|
|
if (m_buffer.null())
|
|
break;
|
|
m_escmode = 0;
|
|
m_buffer.clear();
|
|
if (m_echoing)
|
|
clearLine();
|
|
return false;
|
|
case 0x17: // ^W
|
|
if (m_buffer.null())
|
|
errorBeep();
|
|
else {
|
|
int i = m_buffer.length()-1;
|
|
for (; i > 0; i--)
|
|
if (m_buffer[i] != ' ')
|
|
break;
|
|
for (; i > 0; i--)
|
|
if (m_buffer[i] == ' ') {
|
|
i++;
|
|
break;
|
|
}
|
|
m_escmode = 0;
|
|
m_buffer.assign(m_buffer,i);
|
|
if (m_echoing) {
|
|
clearLine();
|
|
writeStr(m_buffer);
|
|
}
|
|
}
|
|
return false;
|
|
case 0x7F: // DEL
|
|
case 0x08: // ^H, BACKSPACE
|
|
if (m_buffer.null()) {
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
m_escmode = 0;
|
|
m_buffer.assign(m_buffer,m_buffer.length()-1);
|
|
if (m_echoing)
|
|
writeStr("\b \b");
|
|
return false;
|
|
case 0x09: // ^I, TAB
|
|
m_escmode = 0;
|
|
if (m_buffer.null())
|
|
return processLine("help",false);
|
|
if (!autoComplete())
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
if (m_escmode) {
|
|
switch (c) {
|
|
case '[':
|
|
case '0':
|
|
case '1':
|
|
case '2':
|
|
case '3':
|
|
case '4':
|
|
case '5':
|
|
case '6':
|
|
case '7':
|
|
case '8':
|
|
case '9':
|
|
case ';':
|
|
case 'O':
|
|
m_escmode = c;
|
|
return false;
|
|
}
|
|
DDebug("RManager",DebugInfo,"ANSI '%s%c' last '%s%c'",
|
|
(c >= ' ') ? "" : "^", (c >= ' ') ? c : c+0x40,
|
|
(m_escmode >= ' ') ? "" : "^", (m_escmode >= ' ') ? m_escmode : m_escmode+0x40
|
|
);
|
|
m_escmode = 0;
|
|
switch (c) {
|
|
case 'A': // Up arrow
|
|
case 'B': // Down arrow
|
|
if (m_lastcmd.null()) {
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
else {
|
|
String str = m_lastcmd;
|
|
if (m_buffer)
|
|
m_lastcmd = m_buffer;
|
|
m_buffer = str;
|
|
}
|
|
clearLine();
|
|
writeStr(m_buffer);
|
|
return false;
|
|
}
|
|
c = 0;
|
|
}
|
|
if (c < ' ') {
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
if (m_echoing && (c == ' ')) {
|
|
if (m_buffer.null() || m_buffer.endsWith(" ")) {
|
|
errorBeep();
|
|
return false;
|
|
}
|
|
}
|
|
m_buffer += (char)c;
|
|
if (m_echoing)
|
|
writeStr((char*)&c,1);
|
|
return false;
|
|
}
|
|
|
|
// perform auto-completion of partial line
|
|
bool Connection::autoComplete()
|
|
{
|
|
DDebug("RManager",DebugInfo,"autoComplete = '%s'",m_buffer.c_str());
|
|
Message m("engine.command");
|
|
m.addParam("partial",m_buffer);
|
|
String partLine;
|
|
String partWord;
|
|
int keepLen = m_buffer.length();
|
|
// find start and end of word
|
|
int i = keepLen-1;
|
|
if (m_buffer[i] == ' ') {
|
|
// we are at start of new word
|
|
partLine = m_buffer;
|
|
partLine.trimBlanks();
|
|
if (partLine == "?")
|
|
partLine = "help";
|
|
const CommandInfo* info = s_cmdInfo;
|
|
bool help = (partLine == "help");
|
|
for (; info->name; info++) {
|
|
if (help)
|
|
m.retValue().append(info->name,"\t");
|
|
else if (partLine == info->name) {
|
|
completeWords(m.retValue(),info->more);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
// we are completing a started word
|
|
for (; i >= 0; i--) {
|
|
if (m_buffer[i] == ' ')
|
|
break;
|
|
}
|
|
i++;
|
|
keepLen = i;
|
|
partLine = m_buffer.substr(0,i);
|
|
partWord = m_buffer.substr(i);
|
|
partLine.trimBlanks();
|
|
if (partLine == "?")
|
|
partLine = "help";
|
|
else if (partLine.null() && (partWord == "?"))
|
|
partWord = "help";
|
|
if (partLine.null()) {
|
|
m.addParam("complete","command");
|
|
const CommandInfo* info = s_cmdInfo;
|
|
for (; info->name; info++) {
|
|
String cmd = info->name;
|
|
if (cmd.startsWith(partWord))
|
|
m.retValue().append(cmd,"\t");
|
|
}
|
|
NamedIterator iter(m_aliases);
|
|
while (const NamedString* s = iter.get()) {
|
|
if (s->name().startsWith(partWord))
|
|
m.retValue().append(s->name(),"\t");
|
|
}
|
|
}
|
|
else {
|
|
const CommandInfo* info = s_cmdInfo;
|
|
bool help = (partLine == "help");
|
|
if (help)
|
|
m.addParam("complete","command");
|
|
for (; info->name; info++) {
|
|
if (help) {
|
|
String arg = info->name;
|
|
if (arg.startsWith(partWord))
|
|
m.retValue().append(arg,"\t");
|
|
}
|
|
else if (partLine == info->name) {
|
|
completeWords(m.retValue(),info->more,partWord);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (partLine) {
|
|
if (partLine == "status overview")
|
|
partLine = "status";
|
|
m.addParam("partline",partLine);
|
|
}
|
|
if (partWord)
|
|
m.addParam("partword",partWord);
|
|
if ((partLine == "status") || (partLine == "debug") || (partLine == "drop"))
|
|
m.setParam("complete","channels");
|
|
static const Regexp r("^debug \\([^ ]\\+\\)$");
|
|
if (partLine == "debug")
|
|
completeWords(m.retValue(),s_debug,partWord);
|
|
else while (partLine.matches(r)) {
|
|
String tmp = partLine.matchString(1);
|
|
const char** lvl = s_level;
|
|
for (; *lvl; lvl++) {
|
|
if (tmp == *lvl)
|
|
break;
|
|
}
|
|
if (*lvl)
|
|
break;
|
|
for (lvl = s_debug; *lvl; lvl++) {
|
|
if (tmp == *lvl)
|
|
break;
|
|
}
|
|
if (*lvl)
|
|
break;
|
|
completeWords(m.retValue(),s_level,partWord);
|
|
break;
|
|
}
|
|
if (m_auth >= Admin)
|
|
Engine::dispatch(m);
|
|
if (m.retValue().null())
|
|
return false;
|
|
if (m.retValue().find('\t') < 0) {
|
|
m_buffer = m_buffer.substr(0,keepLen)+m.retValue()+" ";
|
|
clearLine();
|
|
writeStr(m_buffer);
|
|
return true;
|
|
}
|
|
// more options returned - list them and display the prompt again
|
|
writeStr("\r\n");
|
|
writeStr(m.retValue());
|
|
bool first = true;
|
|
String maxMatch;
|
|
ObjList* l = m.retValue().split('\t');
|
|
for (ObjList* p = l; p; p = p->next()) {
|
|
String* s = static_cast<String*>(p->get());
|
|
if (!s)
|
|
continue;
|
|
if (first) {
|
|
first = false;
|
|
maxMatch = *s;
|
|
}
|
|
else {
|
|
while (maxMatch && !s->startsWith(maxMatch)) {
|
|
maxMatch.assign(maxMatch,maxMatch.length()-1);
|
|
}
|
|
}
|
|
}
|
|
TelEngine::destruct(l);
|
|
m_buffer += maxMatch.substr(partWord.length());
|
|
writeStr("\r\n");
|
|
writeStr(m_buffer);
|
|
return true;
|
|
}
|
|
|
|
// execute received input line
|
|
bool Connection::processLine(const char *line, bool saveLine)
|
|
{
|
|
DDebug("RManager",DebugInfo,"processLine = '%s'",line);
|
|
String str(line);
|
|
str.trimBlanks();
|
|
if (str.null())
|
|
return false;
|
|
|
|
if (saveLine)
|
|
m_lastcmd = str;
|
|
line = 0;
|
|
m_buffer.clear();
|
|
|
|
if (str.startSkip("quit"))
|
|
{
|
|
writeStr(m_machine ? "%%=quit\r\n" : "Goodbye!\r\n");
|
|
return true;
|
|
}
|
|
else if (str.startSkip("echo"))
|
|
{
|
|
str >> m_echoing;
|
|
str = "Remote echo: ";
|
|
str += (m_echoing ? "on\r\n" : "off\r\n");
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("help") || str.startSkip("?"))
|
|
{
|
|
Message m("engine.help");
|
|
if (str)
|
|
{
|
|
const CommandInfo* info = s_cmdInfo;
|
|
for (; info->name; info++) {
|
|
if (str == info->name) {
|
|
str = " ";
|
|
str << info->name;
|
|
if (info->args)
|
|
str << " " << info->args;
|
|
str << "\r\n" << info->desc << "\r\n";
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
}
|
|
m.addParam("line",str);
|
|
if ((m_auth >= Admin) && Engine::dispatch(m))
|
|
writeStr(m.retValue());
|
|
else
|
|
writeStr("No help for '"+str+"'\r\n");
|
|
}
|
|
else
|
|
{
|
|
m.retValue() = "Available commands:\r\n";
|
|
const CommandInfo* info = s_cmdInfo;
|
|
for (; info->name; info++) {
|
|
m.retValue() << " " << info->name;
|
|
if (info->args)
|
|
m.retValue() << " " << info->args;
|
|
m.retValue() << "\r\n";
|
|
}
|
|
if (m_auth >= Admin)
|
|
Engine::dispatch(m);
|
|
writeStr(m.retValue());
|
|
}
|
|
return false;
|
|
}
|
|
else if (str.startSkip("auth"))
|
|
{
|
|
if (m_auth >= Admin) {
|
|
writeStr(m_machine ? "%%=auth:success\r\n" : "You are already authenticated as admin!\r\n");
|
|
return false;
|
|
}
|
|
const char* pass = cfg().getValue("password");
|
|
if (pass && (str == pass)) {
|
|
Output("Authenticated admin connection %s",m_address.c_str());
|
|
m_auth = Admin;
|
|
m_timeout = 0;
|
|
writeStr(m_machine ? "%%=auth:success\r\n" : "Authenticated successfully as admin!\r\n");
|
|
}
|
|
else if ((pass = cfg().getValue("userpass")) && (str == pass)) {
|
|
if (m_auth < User) {
|
|
Output("Authenticated user connection %s",m_address.c_str());
|
|
m_auth = User;
|
|
m_timeout = 0;
|
|
writeStr(m_machine ? "%%=auth:success\r\n" : "Authenticated successfully as user!\r\n");
|
|
}
|
|
else
|
|
writeStr(m_machine ? "%%=auth:success\r\n" : "You are already authenticated as user!\r\n");
|
|
}
|
|
else
|
|
writeStr(m_machine ? "%%=auth:fail=badpass\r\n" : "Bad authentication password!\r\n");
|
|
return false;
|
|
}
|
|
if (m_auth < User) {
|
|
writeStr(m_machine ? "%%=*:fail=noauth\r\n" : "Not authenticated!\r\n");
|
|
return false;
|
|
}
|
|
if (str.startSkip("status"))
|
|
{
|
|
Message m("engine.status");
|
|
if (str.startSkip("overview"))
|
|
m.addParam("details",String::boolText(false));
|
|
if (str.null() || (str == "rmanager")) {
|
|
s_mutex.lock();
|
|
m.retValue() << "name=rmanager,type=misc"
|
|
<< ";listeners=" << s_listeners.count()
|
|
<< ",conn=" << s_connList.count() << "\r\n";
|
|
s_mutex.unlock();
|
|
}
|
|
if (!str.null()) {
|
|
m.addParam("module",str);
|
|
str = ":" + str;
|
|
}
|
|
Engine::dispatch(m);
|
|
str = "%%+status" + str + "\r\n";
|
|
str << m.retValue() << "%%-status\r\n";
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("uptime"))
|
|
{
|
|
str.clear();
|
|
u_int32_t t = SysUsage::secRunTime();
|
|
if (m_machine) {
|
|
str << "%%=uptime:" << (unsigned int)t;
|
|
(str << ":").append(SysUsage::runTime(SysUsage::UserTime));
|
|
(str << ":").append(SysUsage::runTime(SysUsage::KernelTime));
|
|
}
|
|
else {
|
|
char buf[72];
|
|
::sprintf(buf,"%u %02u:%02u:%02u (%u)",
|
|
t / 86400, (t / 3600) % 24,(t / 60) % 60,t % 60,t);
|
|
str << "Uptime: " << buf;
|
|
(str << " user: ").append(SysUsage::runTime(SysUsage::UserTime));
|
|
(str << " kernel: ").append(SysUsage::runTime(SysUsage::KernelTime));
|
|
}
|
|
str << "\r\n";
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("machine"))
|
|
{
|
|
str >> m_machine;
|
|
str = "Machine mode: ";
|
|
str += (m_machine ? "on\r\n" : "off\r\n");
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("output"))
|
|
{
|
|
str >> m_output;
|
|
str = "Output mode: ";
|
|
str += (m_output ? "on\r\n" : "off\r\n");
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
else if (str.startSkip("color"))
|
|
{
|
|
str >> m_colorize;
|
|
str = "Colorized output: ";
|
|
str += (m_colorize ? "yes\r\n" : "no\r\n");
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
if (m_auth < Admin) {
|
|
writeStr(m_machine ? "%%=*:fail=noauth\r\n" : "Not authenticated!\r\n");
|
|
return false;
|
|
}
|
|
if (str.startSkip("drop"))
|
|
{
|
|
String reason;
|
|
int pos = str.find(' ');
|
|
if (pos > 0) {
|
|
reason = str.substr(pos+1);
|
|
str = str.substr(0,pos);
|
|
}
|
|
if (str.null()) {
|
|
writeStr(m_machine ? "%%=drop:fail=noarg\r\n" : "You must specify what connection to drop!\r\n");
|
|
return false;
|
|
}
|
|
Message m("call.drop");
|
|
bool all = false;
|
|
if (str == "*" || str == "all") {
|
|
all = true;
|
|
str = "all calls";
|
|
}
|
|
else
|
|
m.addParam("id",str);
|
|
if (reason)
|
|
m.addParam("reason",reason);
|
|
if (Engine::dispatch(m))
|
|
str = (m_machine ? "%%=drop:success:" : "Dropped ") + str + "\r\n";
|
|
else if (all)
|
|
str = (m_machine ? "%%=drop:unknown:" : "Tried to drop ") + str + "\r\n";
|
|
else
|
|
str = (m_machine ? "%%=drop:fail:" : "Could not drop ") + str + "\r\n";
|
|
writeStr(str);
|
|
}
|
|
else if (str.startSkip("call"))
|
|
{
|
|
int pos = str.find(' ');
|
|
if (pos <= 0) {
|
|
writeStr(m_machine ? "%%=call:fail=noarg\r\n" : "You must specify source and target!\r\n");
|
|
return false;
|
|
}
|
|
String target = str.substr(pos+1);
|
|
Message m("call.execute");
|
|
m.addParam("callto",str.substr(0,pos));
|
|
m.addParam((target.find('/') > 0) ? "direct" : "target",target);
|
|
|
|
if (Engine::dispatch(m)) {
|
|
String id(m.getValue("id"));
|
|
if (m_machine)
|
|
str = "%%=call:success:" + id + ":" + str + "\r\n";
|
|
else
|
|
str = "Calling '" + id + "' " + str + "\r\n";
|
|
}
|
|
else
|
|
str = (m_machine ? "%%=call:fail:" : "Could not call ") + str + "\r\n";
|
|
writeStr(str);
|
|
}
|
|
else if (str.startSkip("debug"))
|
|
{
|
|
if (str.startSkip("level")) {
|
|
int dbg = debugLevel();
|
|
str >> dbg;
|
|
dbg = debugLevel(dbg);
|
|
}
|
|
if (str.startSkip("threshold")) {
|
|
int thr = m_threshold;
|
|
str >> thr;
|
|
if (thr < DebugConf)
|
|
thr = DebugConf;
|
|
else if (thr > DebugAll)
|
|
thr = DebugAll;
|
|
m_threshold = thr;
|
|
}
|
|
else if (str.isBoolean()) {
|
|
str >> m_debug;
|
|
if (m_debug)
|
|
Debugger::enableOutput(true);
|
|
}
|
|
else if (str) {
|
|
String l;
|
|
int pos = str.find(' ');
|
|
if (pos > 0) {
|
|
l = str.substr(pos+1);
|
|
str = str.substr(0,pos);
|
|
str.trimBlanks();
|
|
}
|
|
if (str.null()) {
|
|
writeStr(m_machine ? "%%=debug:fail=noarg\r\n" : "You must specify debug module name!\r\n");
|
|
return false;
|
|
}
|
|
Message m("engine.debug");
|
|
m.addParam("module",str);
|
|
if (l)
|
|
m.addParam("line",l);
|
|
if (Engine::dispatch(m))
|
|
writeStr(m.retValue());
|
|
else
|
|
writeStr((m_machine ? "%%=debug:fail:" : "Cannot set debug: ") + str + " " + l + "\r\n");
|
|
return false;
|
|
}
|
|
if (m_machine) {
|
|
str = "%%=debug:level=";
|
|
str << debugLevel() << ":local=" << m_debug;
|
|
str << ":threshold=" << m_threshold << "\r\n";
|
|
}
|
|
else {
|
|
str = "Debug level: ";
|
|
str << debugLevel() << " local: " << (m_debug ? "on" : "off");
|
|
str << " threshold: " << m_threshold << "\r\n";
|
|
}
|
|
writeStr(str);
|
|
}
|
|
else if (str.startSkip("control"))
|
|
{
|
|
int pos = str.find(' ');
|
|
String id = str.substr(0,pos).trimBlanks();
|
|
String ctrl = str.substr(pos+1).trimBlanks();
|
|
if ((pos <= 0) || id.null() || ctrl.null()) {
|
|
writeStr(m_machine ? "%%=control:fail=noarg\r\n" : "You must specify channel and operation!\r\n");
|
|
return false;
|
|
}
|
|
Message m("chan.control");
|
|
m.addParam("targetid",id);
|
|
m.addParam("component",id);
|
|
static const Regexp r("^\\(.* \\)\\?\\([^= ]\\+\\)=\\([^=]*\\)$");
|
|
while (ctrl) {
|
|
if (!ctrl.matches(r)) {
|
|
m.setParam("operation",ctrl);
|
|
break;
|
|
}
|
|
m.setParam(ctrl.matchString(2),ctrl.matchString(3).trimBlanks());
|
|
ctrl = ctrl.matchString(1).trimBlanks();
|
|
}
|
|
if (Engine::dispatch(m)) {
|
|
if (m_machine)
|
|
str = "%%=control:success:" + id + ":" + m.retValue() + "\r\n";
|
|
else
|
|
str = "Control '" + id + "' " + m.retValue().safe("OK") + "\r\n";
|
|
}
|
|
else
|
|
str = (m_machine ? "%%=control:fail:" : "Could not control ") + str + "\r\n";
|
|
writeStr(str);
|
|
}
|
|
#ifdef HAVE_COREDUMPER
|
|
else if (str.startSkip("coredump"))
|
|
{
|
|
if (str.null())
|
|
(str << "core.yate-" << ::getpid() << "-").append(SysUsage::runTime());
|
|
s_mutex.lock();
|
|
int err = 0;
|
|
for (int i = 0; i < 4; i++) {
|
|
if (!WriteCoreDump(str)) {
|
|
err = 0;
|
|
break;
|
|
}
|
|
err = errno;
|
|
switch (err) {
|
|
case EINTR:
|
|
case EAGAIN:
|
|
case ECHILD:
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
if (err) {
|
|
str = "Failed to dump core: ";
|
|
str << ::strerror(err) << " (" << err << ")\r\n";
|
|
}
|
|
else
|
|
str = "Dumped core to: " + str + "\r\n";
|
|
s_mutex.unlock();
|
|
writeStr(str);
|
|
}
|
|
#endif
|
|
else if (str.startSkip("reload"))
|
|
{
|
|
str.trimSpaces();
|
|
writeStr(m_machine ? "%%=reload\r\n" : "Reinitializing...\r\n");
|
|
Engine::init(str);
|
|
}
|
|
else if (str.startSkip("restart"))
|
|
{
|
|
bool gracefull = (str != "now");
|
|
bool ok = Engine::restart(0,gracefull);
|
|
if (ok) {
|
|
if (m_machine) {
|
|
writeStr("%%=restart\r\n");
|
|
return gracefull;
|
|
}
|
|
writeStr(gracefull ? "Restart scheduled - please disconnect\r\n" : "Engine restarting - bye!\r\n");
|
|
}
|
|
else
|
|
writeStr(m_machine ? "%%=restart:fail\r\n" : "Cannot restart - no supervisor or already shutting down\r\n");
|
|
}
|
|
else if (str.startSkip("stop"))
|
|
{
|
|
unsigned code = 0;
|
|
str >> code;
|
|
code &= 0xff;
|
|
writeStr(m_machine ? "%%=shutdown\r\n" : "Engine shutting down - bye!\r\n");
|
|
Engine::halt(code);
|
|
}
|
|
else if (str.startSkip("alias"))
|
|
{
|
|
str.trimSpaces();
|
|
if (str.null()) {
|
|
NamedIterator iter(m_aliases);
|
|
while (const NamedString* s = iter.get())
|
|
str << s->name() << "=" << *s << "\r\n";
|
|
writeStr(str);
|
|
return false;
|
|
}
|
|
int sep = str.find(' ');
|
|
if (sep > 0) {
|
|
String val = str.substr(sep+1);
|
|
str = str.substr(0,sep);
|
|
m_aliases.setParam(str,val);
|
|
writeStr("Alias " + str + " set to: " + val + "\r\n");
|
|
}
|
|
else {
|
|
m_aliases.clearParam(str);
|
|
writeStr("Alias " + str + " removed\r\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
str.trimSpaces();
|
|
int sep = str.find(' ');
|
|
const String* cmd = m_aliases.getParam(str.substr(0,sep));
|
|
if (cmd) {
|
|
if (!saveLine) {
|
|
writeStr("Error: possible alias loop in '" + str + "'\r\n");
|
|
return false;
|
|
}
|
|
if (sep > 0)
|
|
str = str.substr(sep+1);
|
|
else
|
|
str.clear();
|
|
static const Regexp s_paramSep("^\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *\\([^ ]*\\)\\? *");
|
|
str.matches(s_paramSep);
|
|
str = str.replaceMatches(*cmd);
|
|
for (;;) {
|
|
sep = str.find("$()");
|
|
if (sep < 0)
|
|
return processLine(str,false);
|
|
if (processLine(str.substr(0,sep),false))
|
|
return true;
|
|
str = str.substr(sep+3);
|
|
}
|
|
}
|
|
Message m("engine.command");
|
|
m.addParam("line",str);
|
|
if (Engine::dispatch(m))
|
|
writeStr(m.retValue());
|
|
else
|
|
writeStr((m_machine ? "%%=syntax:" : "Cannot understand: ") + str + "\r\n");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
// dump encoded messages after processing, only in machine mode
|
|
void Connection::writeStr(const Message &msg, bool received)
|
|
{
|
|
if (!m_machine)
|
|
return;
|
|
String s = msg.encode(received,"");
|
|
s << "\r\n";
|
|
if (m_echoing && m_buffer)
|
|
clearLine();
|
|
writeStr(s.c_str());
|
|
if (m_echoing && m_buffer)
|
|
writeStr(m_buffer);
|
|
}
|
|
|
|
// write debugging messages to the remote console
|
|
void Connection::writeDebug(const char *str, int level)
|
|
{
|
|
if ((m_debug && (m_threshold >= level)) || (m_output && (level < 0)))
|
|
writeEvent(str,level);
|
|
}
|
|
|
|
// unconditionally write an event to the remote console
|
|
void Connection::writeEvent(const char *str, int level)
|
|
{
|
|
if (null(str))
|
|
return;
|
|
if (m_echoing && m_buffer)
|
|
clearLine();
|
|
const char* col = m_colorize ? debugColor(level) : 0;
|
|
if (col)
|
|
writeStr(col,::strlen(col));
|
|
int len = ::strlen(str);
|
|
for (; len > 0; len--) {
|
|
if ((unsigned char)str[len-1] >= ' ')
|
|
break;
|
|
}
|
|
writeStr(str,len);
|
|
writeStr("\r\n",2);
|
|
if (col)
|
|
col = debugColor(-2);
|
|
if (col)
|
|
writeStr(col,::strlen(col));
|
|
if (m_echoing && m_buffer)
|
|
writeStr(m_buffer);
|
|
}
|
|
|
|
// write arbitrary string to the remote console
|
|
void Connection::writeStr(const char *str, int len)
|
|
{
|
|
if (len < 0)
|
|
len = ::strlen(str);
|
|
else if (len == 0)
|
|
return;
|
|
if (int written = m_socket->writeData(str,len) != len) {
|
|
Debug("RManager",DebugInfo,"Socket %d wrote only %d out of %d bytes",m_socket->handle(),written,len);
|
|
// Destroy the thread, will kill the connection
|
|
cancel();
|
|
}
|
|
}
|
|
|
|
void Connection::checkTimer(u_int64_t time)
|
|
{
|
|
if (!m_timeout)
|
|
return;
|
|
if (time < m_timeout)
|
|
return;
|
|
m_timeout = 0;
|
|
if (m_socket)
|
|
m_socket->terminate();
|
|
}
|
|
|
|
|
|
void RHook::dispatched(const Message& msg, bool handled)
|
|
{
|
|
u_int64_t t = 0;
|
|
if (msg == "engine.timer")
|
|
t = msg.msgTime();
|
|
s_mutex.lock();
|
|
ObjList* p = s_connList.skipNull();
|
|
for (; p; p = p->skipNext()) {
|
|
Connection* c = static_cast<Connection*>(p->get());
|
|
if (t)
|
|
c->checkTimer(t);
|
|
c->writeStr(msg,handled);
|
|
}
|
|
s_mutex.unlock();
|
|
};
|
|
|
|
|
|
RManager::RManager()
|
|
: Plugin("rmanager"),
|
|
m_first(true)
|
|
{
|
|
Output("Loaded module RManager");
|
|
Debugger::setIntOut(dbg_remote_func);
|
|
}
|
|
|
|
RManager::~RManager()
|
|
{
|
|
Output("Unloading module RManager");
|
|
s_connList.clear();
|
|
s_listeners.clear();
|
|
Debugger::setIntOut(0);
|
|
}
|
|
|
|
bool RManager::isBusy() const
|
|
{
|
|
Lock mylock(s_mutex);
|
|
return (s_connList.count() != 0);
|
|
}
|
|
|
|
void RManager::initialize()
|
|
{
|
|
if (m_first) {
|
|
Output("Initializing module RManager");
|
|
Configuration cfg;
|
|
cfg = Engine::configFile("rmanager");
|
|
// in server mode assume a default empty "general" section exists
|
|
if (!(cfg.load() || Engine::clientMode()))
|
|
(new RManagerListener(NamedList("general")))->init();
|
|
for (unsigned int i = 0; i < cfg.sections(); i++) {
|
|
NamedList* s = cfg.getSection(i);
|
|
if (s)
|
|
(new RManagerListener(*s))->init();
|
|
}
|
|
Lock mylock(s_mutex);
|
|
// don't bother to install handlers until we are listening
|
|
if (s_listeners.count()) {
|
|
m_first = false;
|
|
Engine::self()->setHook(new RHook);
|
|
}
|
|
}
|
|
}
|
|
|
|
INIT_PLUGIN(RManager);
|
|
|
|
}; // anonymous namespace
|
|
|
|
/* vi: set ts=8 sw=4 sts=4 noet: */
|