extensions/m_olist.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  m_olist.c: List channels.  olist is an oper only command
   4  *             that shows channels regardless of modes.  This
   5  *             is kinda evil, and might be morally wrong, but
   6  *             somebody will likely need it.
   7  *
   8  *  Copyright (C) 2002 by the past and present ircd coders, and others.
   9  *  Copyright (C) 2004 ircd-ratbox Development Team
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 2 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, write to the Free Software
  23  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  24  *  USA
  25  *
  26  *  $Id: m_olist.c 6 2005-09-10 01:02:21Z nenolod $
  27  */
  28
  29 #include "stdinc.h"
  30 #include "channel.h"
  31 #include "client.h"
  32 #include "ircd.h"
  33 #include "numeric.h"
  34 #include "logger.h"
  35 #include "s_serv.h"
  36 #include "send.h"
  37 #include "whowas.h"
  38 #include "match.h"
  39 #include "hash.h"
  40 #include "msg.h"
  41 #include "parse.h"
  42 #include "modules.h"
  43 #include "s_newconf.h"
  44
  45 static int mo_olist(struct Client *, struct Client *, int parc, const char *parv[]);
  46
  47 #ifndef STATIC_MODULES
  48
  49 struct Message olist_msgtab = {
  50         "OLIST", 0, 0, 0, MFLG_SLOW,
  51         {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_olist, 1}}
  52 };
  53
  54 mapi_clist_av1 olist_clist[] = { &olist_msgtab, NULL };
  55
  56 DECLARE_MODULE_AV1(okick, NULL, NULL, olist_clist, NULL, NULL, "$Revision: 6 $");
  57
  58 #endif
  59
  60 static void list_all_channels(struct Client *source_p);
  61 static void list_named_channel(struct Client *source_p, const char *name);
  62
  63 /*
  64 ** mo_olist
  65 **      parv[0] = sender prefix
  66 **      parv[1] = channel
  67 */
  68 static int
  69 mo_olist(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  70 {
  71         if(!IsOperSpy(source_p))
  72         {
  73                 sendto_one(source_p, form_str(ERR_NOPRIVS),
  74                                 me.name, source_p->name, "oper_spy");
  75                 sendto_one(source_p, form_str(RPL_LISTEND),
  76                                 me.name, source_p->name);
  77                 return 0;
  78         }
  79
  80         /* If no arg, do all channels *whee*, else just one channel */
  81         if(parc < 2 || EmptyString(parv[1]))
  82                 list_all_channels(source_p);
  83         else
  84                 list_named_channel(source_p, parv[1]);
  85
  86         sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
  87         return 0;
  88 }
  89
  90
  91 /*
  92  * list_all_channels
  93  * inputs       - pointer to client requesting list
  94  * output       - 0/1
  95  * side effects - list all channels to source_p
  96  */
  97 static void
  98 list_all_channels(struct Client *source_p)
  99 {
 100         struct Channel *chptr;
 101         rb_dlink_node *ptr;
 102
 103         report_operspy(source_p, "LIST", NULL);
 104         sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);
 105
 106         RB_DLINK_FOREACH(ptr, global_channel_list.head)
 107         {
 108                 chptr = ptr->data;
 109
 110                 sendto_one(source_p, form_str(RPL_LIST),
 111                                 me.name, source_p->name, chptr->chname,
 112                                 rb_dlink_list_length(&chptr->members),
 113                                 chptr->topic == NULL ? "" : chptr->topic);
 114         }
 115
 116         return;
 117 }
 118
 119 /*
 120  * list_named_channel
 121  * inputs       - pointer to client requesting list
 122  * output       - 0/1
 123  * side effects - list all channels to source_p
 124  */
 125 static void
 126 list_named_channel(struct Client *source_p, const char *name)
 127 {
 128         struct Channel *chptr;
 129         char *p;
 130         char *n = LOCAL_COPY(name);
 131
 132         if((p = strchr(n, ',')))
 133                 *p = '\0';
 134
 135         /* Put operspy notice before any output, but only if channel exists */
 136         chptr = EmptyString(n) ? NULL : find_channel(n);
 137         if(chptr != NULL)
 138                 report_operspy(source_p, "LIST", chptr->chname);
 139
 140         sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);
 141
 142         if(EmptyString(n))
 143                 return;
 144
 145         if(chptr == NULL)
 146                 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
 147                                 form_str(ERR_NOSUCHCHANNEL), n);
 148         else
 149                 sendto_one(source_p, form_str(RPL_LIST), me.name, source_p->name,
 150                         chptr->chname, rb_dlink_list_length(&chptr->members),
 151                         chptr->topic ? chptr->topic : "");
 152 }