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  */
  27
  28 #include "stdinc.h"
  29 #include "channel.h"
  30 #include "client.h"
  31 #include "ircd.h"
  32 #include "numeric.h"
  33 #include "logger.h"
  34 #include "s_serv.h"
  35 #include "send.h"
  36 #include "whowas.h"
  37 #include "match.h"
  38 #include "hash.h"
  39 #include "msg.h"
  40 #include "parse.h"
  41 #include "modules.h"
  42 #include "s_newconf.h"
  43
  44 static int mo_olist(struct Client *, struct Client *, int parc, const char *parv[]);
  45
  46 #ifndef STATIC_MODULES
  47
  48 struct Message olist_msgtab = {
  49         "OLIST", 0, 0, 0, MFLG_SLOW,
  50         {mg_unreg, mg_not_oper, mg_ignore, mg_ignore, mg_ignore, {mo_olist, 1}}
  51 };
  52
  53 mapi_clist_av1 olist_clist[] = { &olist_msgtab, NULL };
  54
  55 DECLARE_MODULE_AV1(okick, NULL, NULL, olist_clist, NULL, NULL, "$Revision: 6 $");
  56
  57 #endif
  58
  59 static void list_all_channels(struct Client *source_p);
  60 static void list_named_channel(struct Client *source_p, const char *name);
  61
  62 /*
  63 ** mo_olist
  64 **      parv[1] = channel
  65 */
  66 static int
  67 mo_olist(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  68 {
  69         if(!IsOperSpy(source_p))
  70         {
  71                 sendto_one(source_p, form_str(ERR_NOPRIVS),
  72                                 me.name, source_p->name, "oper_spy");
  73                 sendto_one(source_p, form_str(RPL_LISTEND),
  74                                 me.name, source_p->name);
  75                 return 0;
  76         }
  77
  78         /* If no arg, do all channels *whee*, else just one channel */
  79         if(parc < 2 || EmptyString(parv[1]))
  80                 list_all_channels(source_p);
  81         else
  82                 list_named_channel(source_p, parv[1]);
  83
  84         sendto_one(source_p, form_str(RPL_LISTEND), me.name, source_p->name);
  85         return 0;
  86 }
  87
  88
  89 /*
  90  * list_all_channels
  91  * inputs       - pointer to client requesting list
  92  * output       - 0/1
  93  * side effects - list all channels to source_p
  94  */
  95 static void
  96 list_all_channels(struct Client *source_p)
  97 {
  98         struct Channel *chptr;
  99         rb_dlink_node *ptr;
 100
 101         report_operspy(source_p, "LIST", NULL);
 102         sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);
 103
 104         RB_DLINK_FOREACH(ptr, global_channel_list.head)
 105         {
 106                 chptr = ptr->data;
 107
 108                 sendto_one(source_p, ":%s 322 %s %s %lu :[%s] %s",
 109                                 me.name, source_p->name, chptr->chname,
 110                                 rb_dlink_list_length(&chptr->members),
 111                                 channel_modes(chptr, &me),
 112                                 chptr->topic == NULL ? "" : chptr->topic);
 113         }
 114
 115         return;
 116 }
 117
 118 /*
 119  * list_named_channel
 120  * inputs       - pointer to client requesting list
 121  * output       - 0/1
 122  * side effects - list all channels to source_p
 123  */
 124 static void
 125 list_named_channel(struct Client *source_p, const char *name)
 126 {
 127         struct Channel *chptr;
 128         char *p;
 129         char *n = LOCAL_COPY(name);
 130
 131         if((p = strchr(n, ',')))
 132                 *p = '\0';
 133
 134         /* Put operspy notice before any output, but only if channel exists */
 135         chptr = EmptyString(n) ? NULL : find_channel(n);
 136         if(chptr != NULL)
 137                 report_operspy(source_p, "LIST", chptr->chname);
 138
 139         sendto_one(source_p, form_str(RPL_LISTSTART), me.name, source_p->name);
 140
 141         if(EmptyString(n))
 142                 return;
 143
 144         if(chptr == NULL)
 145                 sendto_one_numeric(source_p, ERR_NOSUCHCHANNEL,
 146                                 form_str(ERR_NOSUCHCHANNEL), n);
 147         else
 148                 sendto_one(source_p, ":%s 322 %s %s %lu :[%s] %s", me.name, source_p->name,
 149                         chptr->chname, rb_dlink_list_length(&chptr->members),
 150                         channel_modes(chptr, &me), chptr->topic ? chptr->topic : "");
 151 }