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 1.27 2006/07/23 15:43:18 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-func.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         CONN_ID c;
  98         CLIENT *cl;
  99
 100         assert(Client != NULL);
 101         assert(Req != NULL);
 102
 103         /* Not a local IRC operator? */
 104         if ((!Client_HasMode(Client, 'o')) || (!Client_OperByMe(Client)))
 105                 return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
 106                                           Client_ID(Client));
 107
 108         /* Bad number of parameters? */
 109 #ifdef STRICT_RFC
 110         if (Req->argc != 0)
 111 #else
 112         if (Req->argc > 1)
 113 #endif
 114                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 115                                           Client_ID(Client), Req->command);
 116
 117         /* Is a message given? */
 118         if (Req->argc > 0) {
 119                 c = Conn_First();
 120                 while (c != NONE) {
 121                         cl = Conn_GetClient(c);
 122                         if (Client_Type(cl) == CLIENT_USER)
 123                                 IRC_WriteStrClient(cl, "NOTICE %s :%s",
 124                                                 Client_ID(cl), Req->argv[0]);
 125                         c = Conn_Next(c);
 126                 }
 127         }
 128
 129         Log(LOG_NOTICE | LOG_snotice, "Got DIE command from \"%s\" ...",
 130             Client_Mask(Client));
 131         NGIRCd_SignalQuit = true;
 132
 133         return CONNECTED;
 134 } /* IRC_DIE */
 135
 136
 137 GLOBAL bool
 138 IRC_REHASH( CLIENT *Client, REQUEST *Req )
 139 {
 140         /* Reload configuration file */
 141
 142         assert( Client != NULL );
 143         assert( Req != NULL );
 144
 145         /* Not a local IRC operator? */
 146         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 147
 148         /* Bad number of parameters? */
 149         if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 150
 151         Log( LOG_NOTICE|LOG_snotice, "Got REHASH command from \"%s\" ...", Client_Mask( Client ));
 152         NGIRCd_SignalRehash = true;
 153
 154         return CONNECTED;
 155 } /* IRC_REHASH */
 156
 157
 158 GLOBAL bool
 159 IRC_RESTART( CLIENT *Client, REQUEST *Req )
 160 {
 161         /* Restart IRC server (fork a new process) */
 162
 163         assert( Client != NULL );
 164         assert( Req != NULL );
 165
 166         /* Not a local IRC operator? */
 167         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 168
 169         /* Bad number of parameters? */
 170         if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 171
 172         Log( LOG_NOTICE|LOG_snotice, "Got RESTART command from \"%s\" ...", Client_Mask( Client ));
 173         NGIRCd_SignalRestart = true;
 174         return CONNECTED;
 175 } /* IRC_RESTART */
 176
 177
 178 /**
 179  * Connect configured or new server.
 180  */
 181 GLOBAL bool
 182 IRC_CONNECT(CLIENT * Client, REQUEST * Req)
 183 {
 184
 185         assert(Client != NULL);
 186         assert(Req != NULL);
 187
 188         /* Not a local IRC operator? */
 189         if ((!Client_HasMode(Client, 'o')) || (!Client_OperByMe(Client)))
 190                 return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
 191                                           Client_ID(Client));
 192
 193         /* Bad number of parameters? */
 194         if ((Req->argc != 2) && (Req->argc != 5))
 195                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 196                                           Client_ID(Client), Req->command);
 197
 198         /* Invalid port number? */
 199         if (atoi(Req->argv[1]) < 1)
 200                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 201                                           Client_ID(Client), Req->command);
 202
 203         Log(LOG_NOTICE | LOG_snotice,
 204             "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(Client),
 205             Req->argv[0]);
 206
 207         if (Req->argc == 2) {
 208                 /* Connect configured server */
 209                 if (!Conf_EnableServer
 210                     (Req->argv[0], (UINT16) atoi(Req->argv[1])))
 211                         return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 212                                                   Client_ID(Client),
 213                                                   Req->argv[0]);
 214         } else {
 215                 /* Add server */
 216                 if (!Conf_AddServer
 217                     (Req->argv[0], (UINT16) atoi(Req->argv[1]), Req->argv[2],
 218                      Req->argv[3], Req->argv[4]))
 219                         return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 220                                                   Client_ID(Client),
 221                                                   Req->argv[0]);
 222         }
 223
 224         return CONNECTED;
 225 } /* IRC_CONNECT */
 226
 227
 228 GLOBAL bool
 229 IRC_DISCONNECT(CLIENT *Client, REQUEST *Req )
 230 {
 231         /* Disconnect and disable configured server */
 232
 233         CONN_ID my_conn;
 234
 235         assert( Client != NULL );
 236         assert( Req != NULL );
 237
 238         /* Not a local IRC operator? */
 239         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 240
 241         /* Bad number of parameters? */
 242         if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 243
 244         Log( LOG_NOTICE|LOG_snotice, "Got DISCONNECT command from \"%s\" for0 \"%s\".", Client_Mask( Client ), Req->argv[0]);
 245
 246         /* Save ID of this connection */
 247         my_conn = Client_Conn( Client );
 248
 249         /* Connect configured server */
 250         if( ! Conf_DisableServer( Req->argv[0] )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 251
 252         /* Are we still connected or were we killed, too? */
 253         if( Conn_GetClient( my_conn )) return CONNECTED;
 254         else return DISCONNECTED;
 255 } /* IRC_CONNECT */
 256
 257
 258 /* -eof- */