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 #include "imp.h"
  18 #include <assert.h>
  19 #include <stdlib.h>
  20 #include <string.h>
  21
  22 #include "ngircd.h"
  23 #include "resolve.h"
  24 #include "conn-func.h"
  25 #include "conf.h"
  26 #include "client.h"
  27 #include "channel.h"
  28 #include "irc-write.h"
  29 #include "log.h"
  30 #include "match.h"
  31 #include "messages.h"
  32 #include "parse.h"
  33
  34 #include <exp.h>
  35 #include "irc-oper.h"
  36
  37
  38 static bool
  39 Bad_OperPass(CLIENT *Client, char *errtoken, char *errmsg)
  40 {
  41         Log( LOG_WARNING, "Got invalid OPER from \"%s\": \"%s\" -- %s", Client_Mask( Client ),
  42                                                                                 errtoken, errmsg);
  43         IRC_SetPenalty(Client, 3);
  44         return IRC_WriteStrClient( Client, ERR_PASSWDMISMATCH_MSG, Client_ID( Client ));
  45 }
  46
  47
  48 GLOBAL bool
  49 IRC_OPER( CLIENT *Client, REQUEST *Req )
  50 {
  51         unsigned int i;
  52
  53         assert( Client != NULL );
  54         assert( Req != NULL );
  55
  56         if( Req->argc != 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
  57
  58         for( i = 0; i < Conf_Oper_Count; i++)
  59         {
  60                 if( Conf_Oper[i].name[0] && Conf_Oper[i].pwd[0] && ( strcmp( Conf_Oper[i].name, Req->argv[0] ) == 0 )) break;
  61         }
  62         if( i >= Conf_Oper_Count )
  63                 return Bad_OperPass(Client, Req->argv[0], "not configured");
  64
  65         if( strcmp( Conf_Oper[i].pwd, Req->argv[1] ) != 0 )
  66                 return Bad_OperPass(Client, Conf_Oper[i].name, "Bad password");
  67
  68         if( Conf_Oper[i].mask && (! Match( Conf_Oper[i].mask, Client_Mask( Client ) )))
  69                 return Bad_OperPass(Client, Conf_Oper[i].mask, "hostmask check failed" );
  70
  71         if( ! Client_HasMode( Client, 'o' ))
  72         {
  73                 Client_ModeAdd( Client, 'o' );
  74                 if( ! IRC_WriteStrClient( Client, "MODE %s :+o", Client_ID( Client ))) return DISCONNECTED;
  75                 IRC_WriteStrServersPrefix( NULL, Client, "MODE %s :+o", Client_ID( Client ));
  76         }
  77
  78         if( ! Client_OperByMe( Client )) Log( LOG_NOTICE|LOG_snotice, "Got valid OPER from \"%s\", user is an IRC operator now.", Client_Mask( Client ));
  79
  80         Client_SetOperByMe( Client, true);
  81         return IRC_WriteStrClient( Client, RPL_YOUREOPER_MSG, Client_ID( Client ));
  82 } /* IRC_OPER */
  83
  84
  85 GLOBAL bool
  86 IRC_DIE(CLIENT * Client, REQUEST * Req)
  87 {
  88         /* Shut down server */
  89
  90         CONN_ID c;
  91         CLIENT *cl;
  92
  93         assert(Client != NULL);
  94         assert(Req != NULL);
  95
  96         /* Not a local IRC operator? */
  97         if ((!Client_HasMode(Client, 'o')) || (!Client_OperByMe(Client)))
  98                 return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
  99                                           Client_ID(Client));
 100
 101         /* Bad number of parameters? */
 102 #ifdef STRICT_RFC
 103         if (Req->argc != 0)
 104 #else
 105         if (Req->argc > 1)
 106 #endif
 107                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 108                                           Client_ID(Client), Req->command);
 109
 110         /* Is a message given? */
 111         if (Req->argc > 0) {
 112                 c = Conn_First();
 113                 while (c != NONE) {
 114                         cl = Conn_GetClient(c);
 115                         if (Client_Type(cl) == CLIENT_USER)
 116                                 IRC_WriteStrClient(cl, "NOTICE %s :%s",
 117                                                 Client_ID(cl), Req->argv[0]);
 118                         c = Conn_Next(c);
 119                 }
 120         }
 121
 122         Log(LOG_NOTICE | LOG_snotice, "Got DIE command from \"%s\" ...",
 123             Client_Mask(Client));
 124         NGIRCd_SignalQuit = true;
 125
 126         return CONNECTED;
 127 } /* IRC_DIE */
 128
 129
 130 GLOBAL bool
 131 IRC_REHASH( CLIENT *Client, REQUEST *Req )
 132 {
 133         /* Reload configuration file */
 134
 135         assert( Client != NULL );
 136         assert( Req != NULL );
 137
 138         /* Not a local IRC operator? */
 139         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 140
 141         /* Bad number of parameters? */
 142         if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 143
 144         Log( LOG_NOTICE|LOG_snotice, "Got REHASH command from \"%s\" ...", Client_Mask( Client ));
 145         NGIRCd_SignalRehash = true;
 146
 147         return CONNECTED;
 148 } /* IRC_REHASH */
 149
 150
 151 GLOBAL bool
 152 IRC_RESTART( CLIENT *Client, REQUEST *Req )
 153 {
 154         /* Restart IRC server (fork a new process) */
 155
 156         assert( Client != NULL );
 157         assert( Req != NULL );
 158
 159         /* Not a local IRC operator? */
 160         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 161
 162         /* Bad number of parameters? */
 163         if( Req->argc != 0 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 164
 165         Log( LOG_NOTICE|LOG_snotice, "Got RESTART command from \"%s\" ...", Client_Mask( Client ));
 166         NGIRCd_SignalRestart = true;
 167         return CONNECTED;
 168 } /* IRC_RESTART */
 169
 170
 171 /**
 172  * Connect configured or new server.
 173  */
 174 GLOBAL bool
 175 IRC_CONNECT(CLIENT * Client, REQUEST * Req)
 176 {
 177
 178         assert(Client != NULL);
 179         assert(Req != NULL);
 180
 181         /* Not a local IRC operator? */
 182         if ((!Client_HasMode(Client, 'o')) || (!Client_OperByMe(Client)))
 183                 return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG,
 184                                           Client_ID(Client));
 185
 186         /* Bad number of parameters? */
 187         if ((Req->argc != 1) && (Req->argc != 2) && (Req->argc != 5))
 188                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 189                                           Client_ID(Client), Req->command);
 190
 191         /* Invalid port number? */
 192         if ((Req->argc > 1) && atoi(Req->argv[1]) < 1)
 193                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
 194                                           Client_ID(Client), Req->command);
 195
 196         Log(LOG_NOTICE | LOG_snotice,
 197             "Got CONNECT command from \"%s\" for \"%s\".", Client_Mask(Client),
 198             Req->argv[0]);
 199
 200         switch (Req->argc) {
 201         case 1:
 202                 if (!Conf_EnablePassiveServer(Req->argv[0]))
 203                         return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 204                                                   Client_ID(Client),
 205                                                   Req->argv[0]);
 206         break;
 207         case 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         break;
 215         default:
 216                 /* Add server */
 217                 if (!Conf_AddServer
 218                     (Req->argv[0], (UINT16) atoi(Req->argv[1]), Req->argv[2],
 219                      Req->argv[3], Req->argv[4]))
 220                         return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
 221                                                   Client_ID(Client),
 222                                                   Req->argv[0]);
 223         }
 224
 225         return CONNECTED;
 226 } /* IRC_CONNECT */
 227
 228
 229 GLOBAL bool
 230 IRC_DISCONNECT(CLIENT *Client, REQUEST *Req )
 231 {
 232         /* Disconnect and disable configured server */
 233
 234         CONN_ID my_conn;
 235
 236         assert( Client != NULL );
 237         assert( Req != NULL );
 238
 239         /* Not a local IRC operator? */
 240         if(( ! Client_HasMode( Client, 'o' )) || ( ! Client_OperByMe( Client ))) return IRC_WriteStrClient( Client, ERR_NOPRIVILEGES_MSG, Client_ID( Client ));
 241
 242         /* Bad number of parameters? */
 243         if( Req->argc != 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 244
 245         Log( LOG_NOTICE|LOG_snotice, "Got DISCONNECT command from \"%s\" for0 \"%s\".", Client_Mask( Client ), Req->argv[0]);
 246
 247         /* Save ID of this connection */
 248         my_conn = Client_Conn( Client );
 249
 250         /* Connect configured server */
 251         if( ! Conf_DisableServer( Req->argv[0] )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
 252
 253         /* Are we still connected or were we killed, too? */
 254         if( Conn_GetClient( my_conn )) return CONNECTED;
 255         else return DISCONNECTED;
 256 } /* IRC_CONNECT */
 257
 258
 259 GLOBAL bool
 260 IRC_WALLOPS( CLIENT *Client, REQUEST *Req )
 261 {
 262         CLIENT *to, *from;
 263         int client_type;
 264
 265         assert( Client != NULL );
 266         assert( Req != NULL );
 267
 268         if (Req->argc != 1)
 269                 return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
 270
 271         client_type = Client_Type(Client);
 272         switch (client_type) {
 273         case CLIENT_USER:
 274                 if (!Client_OperByMe(Client))
 275                         return IRC_WriteStrClient(Client, ERR_NOPRIVILEGES_MSG, Client_ID(Client));
 276                 from = Client;
 277                 break;
 278         case CLIENT_SERVER:
 279                 from = Client_Search(Req->prefix);
 280                 break;
 281         default:
 282                 return CONNECTED;
 283         }
 284
 285         if (!from)
 286                 return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID(Client), Req->prefix);
 287
 288         for (to=Client_First(); to != NULL; to=Client_Next(to)) {
 289                 if (Client_Conn(to) < 0) /* no local connection or WALLOPS origin */
 290                         continue;
 291
 292                 client_type = Client_Type(to);
 293                 switch (client_type) {
 294                 case CLIENT_USER:
 295                         if (Client_HasMode(to, 'w'))
 296                                 IRC_WriteStrClientPrefix(to, from, "WALLOPS :%s", Req->argv[0]);
 297                         break;
 298                 case CLIENT_SERVER:
 299                         if (to != Client)
 300                                 IRC_WriteStrClientPrefix(to, from, "WALLOPS :%s", Req->argv[0]);
 301                         break;
 302                 }
 303         }
 304         return CONNECTED;
 305 }
 306
 307
 308
 309 /* -eof- */