extensions/m_omode.c

   1 /*
   2  *  Charybdis: an advanced Internet Relay Chat Daemon(ircd).
   3  *  m_omode.c: allows oper mode hacking
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2004 ircd-ratbox development team
   8  *  Copyright (C) 2006 Charybdis development team
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, write to the Free Software
  22  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  23  *  USA
  24  *
  25  *  $Id: m_omode.c 3121 2007-01-02 13:23:04Z jilles $
  26  */
  27
  28 #include "stdinc.h"
  29 #include "channel.h"
  30 #include "client.h"
  31 #include "hash.h"
  32 #include "match.h"
  33 #include "ircd.h"
  34 #include "numeric.h"
  35 #include "s_user.h"
  36 #include "s_conf.h"
  37 #include "s_newconf.h"
  38 #include "s_serv.h"
  39 #include "send.h"
  40 #include "msg.h"
  41 #include "parse.h"
  42 #include "modules.h"
  43 #include "packet.h"
  44
  45 static int mo_omode(struct Client *, struct Client *, int, const char **);
  46
  47 struct Message omode_msgtab = {
  48         "OMODE", 0, 0, 0, MFLG_SLOW,
  49         {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_omode, 3}}
  50 };
  51
  52 mapi_clist_av1 omode_clist[] = { &omode_msgtab, NULL };
  53
  54 DECLARE_MODULE_AV1(omode, NULL, NULL, omode_clist, NULL, NULL, "$Revision: 3121 $");
  55
  56 /*
  57  * mo_omode - MODE command handler
  58  * parv[1] - channel
  59  */
  60 static int
  61 mo_omode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  62 {
  63         struct Channel *chptr = NULL;
  64         struct membership *msptr;
  65         char params[512];
  66         int i;
  67         int wasonchannel;
  68
  69         /* admins only */
  70         if(!IsOperAdmin(source_p))
  71         {
  72                 sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "admin");
  73                 return 0;
  74         }
  75
  76         /* Now, try to find the channel in question */
  77         if(!IsChanPrefix(parv[1][0]) || !check_channel_name(parv[1]))
  78         {
  79                 sendto_one_numeric(source_p, ERR_BADCHANNAME,
  80                                 form_str(ERR_BADCHANNAME), parv[1]);
  81                 return 0;
  82         }
  83
  84         chptr = find_channel(parv[1]);
  85
  86         if(chptr == NULL)
  87         {
  88                 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
  89                                 form_str(ERR_NOSUCHCHANNEL), parv[1]);
  90                 return 0;
  91         }
  92
  93         /* Now know the channel exists */
  94         msptr = find_channel_membership(chptr, source_p);
  95         wasonchannel = msptr != NULL;
  96
  97         if (is_any_op(msptr))
  98         {
  99                 sendto_one_notice(source_p, ":Use a normal MODE you idiot");
 100                 return 0;
 101         }
 102
 103         params[0] = '\0';
 104         for (i = 2; i < parc; i++)
 105         {
 106                 if (i != 2)
 107                         rb_strlcat(params, " ", sizeof params);
 108                 rb_strlcat(params, parv[i], sizeof params);
 109         }
 110
 111         sendto_wallops_flags(UMODE_WALLOP, &me,
 112                              "OMODE called for [%s] [%s] by %s!%s@%s",
 113                              parv[1], params, source_p->name, source_p->username, source_p->host);
 114         ilog(L_MAIN, "OMODE called for [%s] [%s] by %s",
 115              parv[1], params, get_oper_name(source_p));
 116
 117         if(*chptr->chname != '&')
 118                 sendto_server(NULL, NULL, NOCAPS, NOCAPS,
 119                               ":%s WALLOPS :OMODE called for [%s] [%s] by %s!%s@%s",
 120                               me.name, parv[1], params, source_p->name, source_p->username,
 121                               source_p->host);
 122
 123 #if 0
 124         set_channel_mode(client_p, source_p->servptr, chptr, msptr,
 125                          parc - 2, parv + 2);
 126 #else
 127         if (parc == 4 && !strcmp(parv[2], "+a") && !irccmp(parv[3], source_p->name))
 128         {
 129                 /* Admining themselves */
 130                 if (!wasonchannel)
 131                 {
 132                         sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
 133                                            form_str(ERR_USERNOTINCHANNEL), parv[3], chptr->chname);
 134                         return 0;
 135                 }
 136                 sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s +a %s",
 137                                 me.name, parv[1], source_p->name);
 138                 sendto_server(NULL, chptr, CAP_TS6, NOCAPS,
 139                                 ":%s TMODE %ld %s +a %s",
 140                                 me.id, (long) chptr->channelts, parv[1],
 141                                 source_p->id);
 142                 msptr->flags |= CHFL_ADMIN;
 143         }
 144         else if (parc == 4 && !strcmp(parv[2], "+o") && !irccmp(parv[3], source_p->name))
 145         {
 146                 /* Opping themselves */
 147                 if (!wasonchannel)
 148                 {
 149                         sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
 150                                            form_str(ERR_USERNOTINCHANNEL), parv[3], chptr->chname);
 151                         return 0;
 152                 }
 153                 sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s +o %s",
 154                                 me.name, parv[1], source_p->name);
 155                 sendto_server(NULL, chptr, CAP_TS6, NOCAPS,
 156                                 ":%s TMODE %ld %s +o %s",
 157                                 me.id, (long) chptr->channelts, parv[1],
 158                                 source_p->id);
 159                 msptr->flags |= CHFL_CHANOP;
 160         }
 161         else if (parc == 4 && !strcmp(parv[2], "+h") && !irccmp(parv[3], source_p->name))
 162         {
 163                 /* Halfopping themselves */
 164                 if (!wasonchannel)
 165                 {
 166                         sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
 167                                            form_str(ERR_USERNOTINCHANNEL), parv[3], chptr->chname);
 168                         return 0;
 169                 }
 170                 sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s +h %s",
 171                                 me.name, parv[1], source_p->name);
 172                 sendto_server(NULL, chptr, CAP_TS6, NOCAPS,
 173                                 ":%s TMODE %ld %s +h %s",
 174                                 me.id, (long) chptr->channelts, parv[1],
 175                                 source_p->id);
 176                 msptr->flags |= CHFL_HALFOP;
 177         }
 178         else if (ConfigChannel.use_admin)
 179         {
 180                 /* Hack it so set_channel_mode() will accept */
 181                 if (wasonchannel)
 182                         msptr->flags |= CHFL_ADMIN;
 183                 else
 184                 {
 185                         add_user_to_channel(chptr, source_p, CHFL_CHANOP);
 186                         msptr = find_channel_membership(chptr, source_p);
 187                 }
 188                 set_channel_mode(client_p, source_p, chptr, msptr,
 189                                 parc - 2, parv + 2);
 190                 /* We know they were not opped before and they can't have opped
 191                  * themselves as set_channel_mode() does not allow that
 192                  * -- jilles */
 193                 if (wasonchannel)
 194                         msptr->flags &= ~CHFL_ADMIN;
 195                 else
 196                         remove_user_from_channel(msptr);
 197         }
 198         else
 199         {
 200                 /* CHFL_ADMIN is only useful if admin is enabled
 201                  * so hack it with op if it is not. */
 202                 if (wasonchannel)
 203                         msptr->flags |= CHFL_CHANOP;
 204                 else
 205                 {
 206                         add_user_to_channel(chptr, source_p, CHFL_CHANOP);
 207                         msptr = find_channel_membership(chptr, source_p);
 208                 }
 209                 set_channel_mode(client_p, source_p, chptr, msptr,
 210                                 parc - 2, parv + 2);
 211                 /* We know they were not opped before and they can't have opped
 212                  * themselves as set_channel_mode() does not allow that
 213                  * -- jilles */
 214                 if (wasonchannel)
 215                         msptr->flags &= ~CHFL_CHANOP;
 216                 else
 217                         remove_user_from_channel(msptr);
 218         }
 219 #endif
 220         return 0;
 221 }