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  */
  26
  27 #include "stdinc.h"
  28 #include "channel.h"
  29 #include "client.h"
  30 #include "hash.h"
  31 #include "match.h"
  32 #include "ircd.h"
  33 #include "numeric.h"
  34 #include "s_user.h"
  35 #include "s_conf.h"
  36 #include "s_newconf.h"
  37 #include "s_serv.h"
  38 #include "send.h"
  39 #include "msg.h"
  40 #include "parse.h"
  41 #include "modules.h"
  42 #include "packet.h"
  43
  44 static int mo_omode(struct Client *, struct Client *, int, const char **);
  45
  46 struct Message omode_msgtab = {
  47         "OMODE", 0, 0, 0, MFLG_SLOW,
  48         {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_omode, 3}}
  49 };
  50
  51 mapi_clist_av1 omode_clist[] = { &omode_msgtab, NULL };
  52
  53 DECLARE_MODULE_AV1(omode, NULL, NULL, omode_clist, NULL, NULL, "$Revision: 3121 $");
  54
  55 /*
  56  * mo_omode - MODE command handler
  57  * parv[1] - channel
  58  */
  59 static int
  60 mo_omode(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  61 {
  62         struct Channel *chptr = NULL;
  63         struct membership *msptr;
  64         char params[512];
  65         int i;
  66         int wasonchannel;
  67
  68         /* admins only */
  69         if(!IsOperAdmin(source_p))
  70         {
  71                 sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "admin");
  72                 return 0;
  73         }
  74
  75         /* Now, try to find the channel in question */
  76         if(!IsChanPrefix(parv[1][0]) || !check_channel_name(parv[1]))
  77         {
  78                 sendto_one_numeric(source_p, ERR_BADCHANNAME,
  79                                 form_str(ERR_BADCHANNAME), parv[1]);
  80                 return 0;
  81         }
  82
  83         chptr = find_channel(parv[1]);
  84
  85         if(chptr == NULL)
  86         {
  87                 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
  88                                 form_str(ERR_NOSUCHCHANNEL), parv[1]);
  89                 return 0;
  90         }
  91
  92         /* Now know the channel exists */
  93         msptr = find_channel_membership(chptr, source_p);
  94         wasonchannel = msptr != NULL;
  95
  96         if (is_any_op(msptr))
  97         {
  98                 sendto_one_notice(source_p, ":Use a normal MODE you idiot");
  99                 return 0;
 100         }
 101
 102         params[0] = '\0';
 103         for (i = 2; i < parc; i++)
 104         {
 105                 if (i != 2)
 106                         rb_strlcat(params, " ", sizeof params);
 107                 rb_strlcat(params, parv[i], sizeof params);
 108         }
 109
 110         sendto_wallops_flags(UMODE_WALLOP, &me,
 111                              "OMODE called for [%s] [%s] by %s!%s@%s",
 112                              parv[1], params, source_p->name, source_p->username, source_p->host);
 113         ilog(L_MAIN, "OMODE called for [%s] [%s] by %s",
 114              parv[1], params, get_oper_name(source_p));
 115
 116         if(*chptr->chname != '&')
 117                 sendto_server(NULL, NULL, NOCAPS, NOCAPS,
 118                               ":%s WALLOPS :OMODE called for [%s] [%s] by %s!%s@%s",
 119                               me.name, parv[1], params, source_p->name, source_p->username,
 120                               source_p->host);
 121
 122 #if 0
 123         set_channel_mode(client_p, source_p->servptr, chptr, msptr,
 124                          parc - 2, parv + 2);
 125 #else
 126         if (parc == 4 && !strcmp(parv[2], "+a") && !irccmp(parv[3], source_p->name))
 127         {
 128                 /* Admining themselves */
 129                 if (!wasonchannel)
 130                 {
 131                         sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
 132                                            form_str(ERR_USERNOTINCHANNEL), parv[3], chptr->chname);
 133                         return 0;
 134                 }
 135                 sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s +a %s",
 136                                 me.name, parv[1], source_p->name);
 137                 sendto_server(NULL, chptr, CAP_TS6, NOCAPS,
 138                                 ":%s TMODE %ld %s +a %s",
 139                                 me.id, (long) chptr->channelts, parv[1],
 140                                 source_p->id);
 141                 msptr->flags |= CHFL_ADMIN;
 142         }
 143         else if (parc == 4 && !strcmp(parv[2], "+o") && !irccmp(parv[3], source_p->name))
 144         {
 145                 /* Opping themselves */
 146                 if (!wasonchannel)
 147                 {
 148                         sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
 149                                            form_str(ERR_USERNOTINCHANNEL), parv[3], chptr->chname);
 150                         return 0;
 151                 }
 152                 sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s +o %s",
 153                                 me.name, parv[1], source_p->name);
 154                 sendto_server(NULL, chptr, CAP_TS6, NOCAPS,
 155                                 ":%s TMODE %ld %s +o %s",
 156                                 me.id, (long) chptr->channelts, parv[1],
 157                                 source_p->id);
 158                 msptr->flags |= CHFL_CHANOP;
 159         }
 160         else if (parc == 4 && !strcmp(parv[2], "+h") && !irccmp(parv[3], source_p->name))
 161         {
 162                 /* Halfopping themselves */
 163                 if (!wasonchannel)
 164                 {
 165                         sendto_one_numeric(source_p, ERR_USERNOTINCHANNEL,
 166                                            form_str(ERR_USERNOTINCHANNEL), parv[3], chptr->chname);
 167                         return 0;
 168                 }
 169                 sendto_channel_local(ALL_MEMBERS, chptr, ":%s MODE %s +h %s",
 170                                 me.name, parv[1], source_p->name);
 171                 sendto_server(NULL, chptr, CAP_TS6, NOCAPS,
 172                                 ":%s TMODE %ld %s +h %s",
 173                                 me.id, (long) chptr->channelts, parv[1],
 174                                 source_p->id);
 175                 msptr->flags |= CHFL_HALFOP;
 176         }
 177         else if (ConfigChannel.use_admin)
 178         {
 179                 /* Hack it so set_channel_mode() will accept */
 180                 if (wasonchannel)
 181                         msptr->flags |= CHFL_ADMIN;
 182                 else
 183                 {
 184                         add_user_to_channel(chptr, source_p, CHFL_CHANOP);
 185                         msptr = find_channel_membership(chptr, source_p);
 186                 }
 187                 set_channel_mode(client_p, source_p, chptr, msptr,
 188                                 parc - 2, parv + 2);
 189                 /* We know they were not opped before and they can't have opped
 190                  * themselves as set_channel_mode() does not allow that
 191                  * -- jilles */
 192                 if (wasonchannel)
 193                         msptr->flags &= ~CHFL_ADMIN;
 194                 else
 195                         remove_user_from_channel(msptr);
 196         }
 197         else
 198         {
 199                 /* CHFL_ADMIN is only useful if admin is enabled
 200                  * so hack it with op if it is not. */
 201                 if (wasonchannel)
 202                         msptr->flags |= CHFL_CHANOP;
 203                 else
 204                 {
 205                         add_user_to_channel(chptr, source_p, CHFL_CHANOP);
 206                         msptr = find_channel_membership(chptr, source_p);
 207                 }
 208                 set_channel_mode(client_p, source_p, chptr, msptr,
 209                                 parc - 2, parv + 2);
 210                 /* We know they were not opped before and they can't have opped
 211                  * themselves as set_channel_mode() does not allow that
 212                  * -- jilles */
 213                 if (wasonchannel)
 214                         msptr->flags &= ~CHFL_CHANOP;
 215                 else
 216                         remove_user_from_channel(msptr);
 217         }
 218 #endif
 219         return 0;
 220 }