src/ngircd/irc-oper.c

   1 /*
   2  * ngIRCd -- The Next Generation IRC Daemon
   3  * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  * Please read the file COPYING, README and AUTHORS for more information.
  10  *
  11  * IRC operator commands
  12  */
  13
  14
  15 #include "portab.h"
  16
  17 static char UNUSED id[] = "$Id: irc-oper.c,v 1.26 2006/05/10 21:24:01 alex Exp $";
  18
  19 #include "imp.h"
  20 #include <assert.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23
  24 #include "ngircd.h"
  25 #include "resolve.h"
  26 #include "conn.h"
  27 #include "conf.h"
  28 #include "client.h"
  29 #include "channel.h"
  30 #include "irc-write.h"
  31 #include "log.h"
  32 #include "match.h"
  33 #include "messages.h"
  34 #include "parse.h"
  35
  36 #include <exp.h>
  37 #include "irc-oper.h"
  38
  39
  40 static bool
  41 Bad_OperPass(CLIENT *Client, char *errtoken, char *errmsg)
  42 {
  43         Log( LOG_WARNING, "Got invalid OPER from \"%s\": \"%s\" -- %s", Client_Mask( Client ),
  44                                                                                 errtoken, errmsg);
  45         IRC_SetPenalty(Client, 3);
  46         return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
  47 }
  48
  49
  50 GLOBAL bool
  51 IRC_OPER( CLIENT *Client, REQUEST *Req )
  52 {
  53         unsigned int i;
  54
  55         assert( Client != NULL );
  56         assert( Req != NULL );
  57
  58         /* Falsche Anzahl Parameter? */
  59         if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  60
  61         /* Operator suchen */
  62         for( i = 0; i < Conf_Oper_Count; i++)
  63         {
  64                 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
  65         }
  66         if( i >= Conf_Oper_Count )
  67                 return Bad_OperPass(Client, Req->argv[0], "not configured");
  68
  69         /* Stimmt das Passwort? */
  70         if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
  71                 return Bad_OperPass(Client, Conf_Oper[i].name, "Bad password");
  72
  73         /* Authorized Mask? */
  74         if( Conf_Oper[i].mask && (! Match( Conf_Oper[i].mask, Client_Mask( Client ) )))
  75                 return Bad_OperPass(Client, Conf_Oper[i].mask, "hostmask check failed" );
  76
  77         if( ! Client_HasMode( Client, 'o' ))
  78         {
  79                 /* noch kein o-Mode gesetzt */
  80                 Client_ModeAdd( Client, 'o' );
  81                 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
  82                 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
  83         }
  84
  85         if( ! Client_OperByMe( Client )) Log( LOG_NOTICE|LOG_snotice, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
  86
  87         Client_SetOperByMe( Client, true);
  88         return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
  89 } /* IRC_OPER */
  90
  91
  92 GLOBAL bool
  93 IRC_DIE( CLIENT *Client, REQUEST *Req )
  94 {
  95         /* Shut down server */
  96
  97         assert( Client != NULL );
  98         assert( Req != NULL );
  99
 100         /* Not a local IRC operator? */
 101         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 102
 103         /* Bad number of parameters? */
 104         if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 105
 106         Log( LOG_NOTICE|LOG_snotice, "Got DIE command from \"%s\" ...", Client_Mask( Client ));
 107         NGIRCd_SignalQuit = true;
 108         return CONNECTED;
 109 } /* IRC_DIE */
 110
 111
 112 GLOBAL bool
 113 IRC_REHASH( CLIENT *Client, REQUEST *Req )
 114 {
 115         /* Reload configuration file */
 116
 117         assert( Client != NULL );
 118         assert( Req != NULL );
 119
 120         /* Not a local IRC operator? */
 121         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 122
 123         /* Bad number of parameters? */
 124         if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 125
 126         Log( LOG_NOTICE|LOG_snotice, "Got REHASH command from \"%s\" ...", Client_Mask( Client ));
 127         NGIRCd_SignalRehash = true;
 128
 129         return CONNECTED;
 130 } /* IRC_REHASH */
 131
 132
 133 GLOBAL bool
 134 IRC_RESTART( CLIENT *Client, REQUEST *Req )
 135 {
 136         /* Restart IRC server (fork a new process) */
 137
 138         assert( Client != NULL );
 139         assert( Req != NULL );
 140
 141         /* Not a local IRC operator? */
 142         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 143
 144         /* Bad number of parameters? */
 145         if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 146
 147         Log( LOG_NOTICE|LOG_snotice, "Got RESTART command from \"%s\" ...", Client_Mask( Client ));
 148         NGIRCd_SignalRestart = true;
 149         return CONNECTED;
 150 } /* IRC_RESTART */
 151
 152
 153 /**
 154  * Connect configured or new server.
 155  */
 156 GLOBAL bool
 157 IRC_CONNECT(CLIENT * Client, REQUEST * Req)
 158 {
 159
 160         assert(Client != NULL);
 161         assert(Req != NULL);
 162
 163         /* Not a local IRC operator? */
 164         if ((!Client_HasMode(Client, 'o')) || (!Client_OperByMe(Client)))
 165                 return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
 166                                           Client_ID(Client));
 167
 168         /* Bad number of parameters? */
 169         if ((Req->argc != 2) && (Req->argc != 5))
 170                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 171                                           Client_ID(Client), Req->command);
 172
 173         /* Invalid port number? */
 174         if (atoi(Req->argv[1]) < 1)
 175                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 176                                           Client_ID(Client), Req->command);
 177
 178         Log(LOG_NOTICE | LOG_snotice,
 179             "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(Client),
 180             Req->argv[0]);
 181
 182         if (Req->argc == 2) {
 183                 /* Connect configured server */
 184                 if (!Conf_EnableServer
 185                     (Req->argv[0], (UINT16) atoi(Req->argv[1])))
 186                         return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 187                                                   Client_ID(Client),
 188                                                   Req->argv[0]);
 189         } else {
 190                 /* Add server */
 191                 if (!Conf_AddServer
 192                     (Req->argv[0], (UINT16) atoi(Req->argv[1]), Req->argv[2],
 193                      Req->argv[3], Req->argv[4]))
 194                         return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 195                                                   Client_ID(Client),
 196                                                   Req->argv[0]);
 197         }
 198
 199         return CONNECTED;
 200 } /* IRC_CONNECT */
 201
 202
 203 GLOBAL bool
 204 IRC_DISCONNECT(CLIENT *Client, REQUEST *Req )
 205 {
 206         /* Disconnect and disable configured server */
 207
 208         CONN_ID my_conn;
 209
 210         assert( Client != NULL );
 211         assert( Req != NULL );
 212
 213         /* Not a local IRC operator? */
 214         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 215
 216         /* Bad number of parameters? */
 217         if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 218
 219         Log( LOG_NOTICE|LOG_snotice, "Got DISCONNECT command from \"%s\" for0 \"%s\".", Client_Mask( Client ), Req->argv[0]);
 220
 221         /* Save ID of this connection */
 222         my_conn = Client_Conn( Client );
 223
 224         /* Connect configured server */
 225         if( ! Conf_DisableServer( Req->argv[0] )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 226
 227         /* Are we still connected or were we killed, too? */
 228         if( Conn_GetClient( my_conn )) return CONNECTED;
 229         else return DISCONNECTED;
 230 } /* IRC_CONNECT */
 231
 232
 233 /* -eof- */