modules/m_testline.c

   1 /* modules/m_testline.c
   2  *
   3  *  Copyright (C) 2004 Lee Hardy <lee@leeh.co.uk>
   4  *  Copyright (C) 2004-2005 ircd-ratbox development team
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are
   8  * met:
   9  *
  10  * 1.Redistributions of source code must retain the above copyright notice,
  11  *   this list of conditions and the following disclaimer.
  12  * 2.Redistributions in binary form must reproduce the above copyright
  13  *   notice, this list of conditions and the following disclaimer in the
  14  *   documentation and/or other materials provided with the distribution.
  15  * 3.The name of the author may not be used to endorse or promote products
  16  *   derived from this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  21  * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
  22  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  24  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  26  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  27  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  *
  30  * $Id: m_testline.c 22165 2006-03-16 16:30:53Z androsyn $
  31  */
  32 #include "stdinc.h"
  33 #include "tools.h"
  34 #include "send.h"
  35 #include "client.h"
  36 #include "modules.h"
  37 #include "msg.h"
  38 #include "hostmask.h"
  39 #include "numeric.h"
  40 #include "s_conf.h"
  41 #include "s_newconf.h"
  42 #include "sprintf_irc.h"
  43
  44 static int mo_testline(struct Client *, struct Client *, int, const char **);
  45 static int mo_testgecos(struct Client *, struct Client *, int, const char **);
  46
  47 struct Message testline_msgtab = {
  48         "TESTLINE", 0, 0, 0, MFLG_SLOW,
  49         {mg_unreg, mg_ignore, mg_ignore, mg_ignore, mg_ignore, {mo_testline, 2}}
  50 };
  51 struct Message testgecos_msgtab = {
  52         "TESTGECOS", 0, 0, 0, MFLG_SLOW,
  53         {mg_unreg, mg_ignore, mg_ignore, mg_ignore, mg_ignore, {mo_testgecos, 2}}
  54 };
  55
  56 mapi_clist_av1 testline_clist[] = { &testline_msgtab, &testgecos_msgtab, NULL };
  57 DECLARE_MODULE_AV1(testline, NULL, NULL, testline_clist, NULL, NULL, "$Revision: 22165 $");
  58
  59 static int
  60 mo_testline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  61 {
  62         struct ConfItem *aconf;
  63         struct ConfItem *resv_p;
  64         struct irc_sockaddr_storage ip;
  65         const char *name = NULL;
  66         const char *username = NULL;
  67         const char *host = NULL;
  68         char *mask;
  69         char *p;
  70         int host_mask;
  71         int type;
  72
  73         mask = LOCAL_COPY(parv[1]);
  74
  75         if((p = strchr(mask, '!')))
  76         {
  77                 *p++ = '\0';
  78                 name = mask;
  79                 mask = p;
  80
  81                 if(EmptyString(mask))
  82                         return 0;
  83         }
  84
  85         if((p = strchr(mask, '@')))
  86         {
  87                 *p++ = '\0';
  88                 username = mask;
  89                 host = p;
  90
  91                 if(EmptyString(host))
  92                         return 0;
  93         }
  94         else
  95                 host = mask;
  96
  97         /* parses as an IP, check for a dline */
  98         if((type = parse_netmask(host, (struct sockaddr *)&ip, &host_mask)) != HM_HOST)
  99         {
 100 #ifdef IPV6
 101                 if(type == HM_IPV6)
 102                         aconf = find_dline((struct sockaddr *)&ip, AF_INET6);
 103                 else
 104 #endif
 105                         aconf = find_dline((struct sockaddr *)&ip, AF_INET);
 106
 107                 if(aconf && aconf->status & CONF_DLINE)
 108                 {
 109                         sendto_one(source_p, form_str(RPL_TESTLINE),
 110                                 me.name, source_p->name,
 111                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ? 'd' : 'D',
 112                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ?
 113                                  (long) ((aconf->hold - CurrentTime) / 60) : 0L,
 114                                 aconf->host, aconf->passwd);
 115
 116                         return 0;
 117                 }
 118         }
 119
 120         /* now look for a matching I/K/G */
 121         if((aconf = find_address_conf(host, NULL, username ? username : "dummy",
 122                                 (type != HM_HOST) ? (struct sockaddr *)&ip : NULL,
 123                                 (type != HM_HOST) ? (
 124 #ifdef IPV6
 125                                  (type == HM_IPV6) ? AF_INET6 :
 126 #endif
 127                                   AF_INET) : 0)))
 128         {
 129                 static char buf[HOSTLEN+USERLEN+2];
 130
 131                 if(aconf->status & CONF_KILL)
 132                 {
 133                         ircsnprintf(buf, sizeof(buf), "%s@%s",
 134                                         aconf->user, aconf->host);
 135                         sendto_one(source_p, form_str(RPL_TESTLINE),
 136                                 me.name, source_p->name,
 137                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ? 'k' : 'K',
 138                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ?
 139                                  (long) ((aconf->hold - CurrentTime) / 60) : 0L,
 140                                 buf, aconf->passwd);
 141                         return 0;
 142                 }
 143                 else if(aconf->status & CONF_GLINE)
 144                 {
 145                         ircsnprintf(buf, sizeof(buf), "%s@%s",
 146                                         aconf->user, aconf->host);
 147                         sendto_one(source_p, form_str(RPL_TESTLINE),
 148                                 me.name, source_p->name,
 149                                 'G', (long) ((aconf->hold - CurrentTime) / 60),
 150                                 buf, aconf->passwd);
 151                         return 0;
 152                 }
 153         }
 154
 155         /* they asked us to check a nick, so hunt for resvs.. */
 156         if(name && (resv_p = find_nick_resv(name)))
 157         {
 158                 sendto_one(source_p, form_str(RPL_TESTLINE),
 159                                 me.name, source_p->name,
 160                                 resv_p->hold ? 'q' : 'Q',
 161                                 resv_p->hold ? (long) ((resv_p->hold - CurrentTime) / 60) : 0L,
 162                                 resv_p->name, resv_p->passwd);
 163
 164                 /* this is a false positive, so make sure it isn't counted in stats q
 165                  * --nenolod
 166                  */
 167                 resv_p->port--;
 168                 return 0;
 169         }
 170
 171         /* no matching resv, we can print the I: if it exists */
 172         if(aconf && aconf->status & CONF_CLIENT)
 173         {
 174                 sendto_one_numeric(source_p, RPL_STATSILINE, form_str(RPL_STATSILINE),
 175                                 aconf->name, show_iline_prefix(source_p, aconf, aconf->user),
 176                                 aconf->host, aconf->port, get_class_name(aconf));
 177                 return 0;
 178         }
 179
 180         /* nothing matches.. */
 181         sendto_one(source_p, form_str(RPL_NOTESTLINE),
 182                         me.name, source_p->name, parv[1]);
 183         return 0;
 184 }
 185
 186 static int
 187 mo_testgecos(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 188 {
 189         struct ConfItem *aconf;
 190
 191         if(!(aconf = find_xline(parv[1], 0)))
 192         {
 193                 sendto_one(source_p, form_str(RPL_NOTESTLINE),
 194                                 me.name, source_p->name, parv[1]);
 195                 return 0;
 196         }
 197
 198         sendto_one(source_p, form_str(RPL_TESTLINE),
 199                         me.name, source_p->name,
 200                         aconf->hold ? 'x' : 'X',
 201                         aconf->hold ? (long) ((aconf->hold - CurrentTime) / 60) : 0L,
 202                         aconf->name, aconf->passwd);
 203         return 0;
 204 }