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 3303 2007-03-28 15:22:49Z jilles $
  31  */
  32 #include "stdinc.h"
  33 #include "send.h"
  34 #include "client.h"
  35 #include "modules.h"
  36 #include "msg.h"
  37 #include "hash.h"
  38 #include "hostmask.h"
  39 #include "numeric.h"
  40 #include "s_conf.h"
  41 #include "s_newconf.h"
  42
  43 static int mo_testline(struct Client *, struct Client *, int, const char **);
  44 static int mo_testgecos(struct Client *, struct Client *, int, const char **);
  45
  46 struct Message testline_msgtab = {
  47         "TESTLINE", 0, 0, 0, MFLG_SLOW,
  48         {mg_unreg, mg_ignore, mg_ignore, mg_ignore, mg_ignore, {mo_testline, 2}}
  49 };
  50 struct Message testgecos_msgtab = {
  51         "TESTGECOS", 0, 0, 0, MFLG_SLOW,
  52         {mg_unreg, mg_ignore, mg_ignore, mg_ignore, mg_ignore, {mo_testgecos, 2}}
  53 };
  54
  55 mapi_clist_av1 testline_clist[] = { &testline_msgtab, &testgecos_msgtab, NULL };
  56 DECLARE_MODULE_AV1(testline, NULL, NULL, testline_clist, NULL, NULL, "$Revision: 3303 $");
  57
  58 static int
  59 mo_testline(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  60 {
  61         struct ConfItem *aconf;
  62         struct ConfItem *resv_p;
  63         struct rb_sockaddr_storage ip;
  64         char user_trunc[USERLEN + 1], notildeuser_trunc[USERLEN + 1];
  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 (IsChannelName(mask))
  76         {
  77                 resv_p = hash_find_resv(mask);
  78                 if (resv_p != NULL)
  79                 {
  80                         sendto_one(source_p, form_str(RPL_TESTLINE),
  81                                         me.name, source_p->name,
  82                                         resv_p->hold ? 'q' : 'Q',
  83                                         resv_p->hold ? (long) ((resv_p->hold - rb_current_time()) / 60) : 0L,
  84                                         resv_p->name, resv_p->passwd);
  85                         /* this is a false positive, so make sure it isn't counted in stats q
  86                          * --nenolod
  87                          */
  88                         resv_p->port--;
  89                 }
  90                 else
  91                         sendto_one(source_p, form_str(RPL_NOTESTLINE),
  92                                         me.name, source_p->name, parv[1]);
  93                 return 0;
  94         }
  95
  96         if((p = strchr(mask, '!')))
  97         {
  98                 *p++ = '\0';
  99                 name = mask;
 100                 mask = p;
 101
 102                 if(EmptyString(mask))
 103                         return 0;
 104         }
 105
 106         if((p = strchr(mask, '@')))
 107         {
 108                 *p++ = '\0';
 109                 username = mask;
 110                 host = p;
 111
 112                 if(EmptyString(host))
 113                         return 0;
 114         }
 115         else
 116                 host = mask;
 117
 118         /* parses as an IP, check for a dline */
 119         if((type = parse_netmask(host, (struct sockaddr *)&ip, &host_mask)) != HM_HOST)
 120         {
 121 #ifdef RB_IPV6
 122                 if(type == HM_IPV6)
 123                         aconf = find_dline((struct sockaddr *)&ip, AF_INET6);
 124                 else
 125 #endif
 126                         aconf = find_dline((struct sockaddr *)&ip, AF_INET);
 127
 128                 if(aconf && aconf->status & CONF_DLINE)
 129                 {
 130                         sendto_one(source_p, form_str(RPL_TESTLINE),
 131                                 me.name, source_p->name,
 132                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ? 'd' : 'D',
 133                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ?
 134                                  (long) ((aconf->hold - rb_current_time()) / 60) : 0L,
 135                                 aconf->host, aconf->passwd);
 136
 137                         return 0;
 138                 }
 139         }
 140
 141         if (username != NULL)
 142         {
 143                 rb_strlcpy(user_trunc, username, sizeof user_trunc);
 144                 rb_strlcpy(notildeuser_trunc, *username == '~' ? username + 1 : username, sizeof notildeuser_trunc);
 145         }
 146         else
 147         {
 148                 rb_strlcpy(user_trunc, "dummy", sizeof user_trunc);
 149                 rb_strlcpy(notildeuser_trunc, "dummy", sizeof notildeuser_trunc);
 150         }
 151         /* now look for a matching I/K/G */
 152         if((aconf = find_address_conf(host, NULL, user_trunc, notildeuser_trunc,
 153                                 (type != HM_HOST) ? (struct sockaddr *)&ip : NULL,
 154                                 (type != HM_HOST) ? (
 155 #ifdef RB_IPV6
 156                                  (type == HM_IPV6) ? AF_INET6 :
 157 #endif
 158                                   AF_INET) : 0, NULL)))
 159         {
 160                 static char buf[HOSTLEN+USERLEN+2];
 161
 162                 if(aconf->status & CONF_KILL)
 163                 {
 164                         rb_snprintf(buf, sizeof(buf), "%s@%s",
 165                                         aconf->user, aconf->host);
 166                         sendto_one(source_p, form_str(RPL_TESTLINE),
 167                                 me.name, source_p->name,
 168                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ? 'k' : 'K',
 169                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ?
 170                                  (long) ((aconf->hold - rb_current_time()) / 60) : 0L,
 171                                 buf, aconf->passwd);
 172                         return 0;
 173                 }
 174         }
 175
 176         /* they asked us to check a nick, so hunt for resvs.. */
 177         if(name && (resv_p = find_nick_resv(name)))
 178         {
 179                 sendto_one(source_p, form_str(RPL_TESTLINE),
 180                                 me.name, source_p->name,
 181                                 resv_p->hold ? 'q' : 'Q',
 182                                 resv_p->hold ? (long) ((resv_p->hold - rb_current_time()) / 60) : 0L,
 183                                 resv_p->name, resv_p->passwd);
 184
 185                 /* this is a false positive, so make sure it isn't counted in stats q
 186                  * --nenolod
 187                  */
 188                 resv_p->port--;
 189                 return 0;
 190         }
 191
 192         /* no matching resv, we can print the I: if it exists */
 193         if(aconf && aconf->status & CONF_CLIENT)
 194         {
 195                 sendto_one_numeric(source_p, RPL_STATSILINE, form_str(RPL_STATSILINE),
 196                                 aconf->name, EmptyString(aconf->spasswd) ? "<NULL>" : aconf->spasswd,
 197                                 show_iline_prefix(source_p, aconf, aconf->user),
 198                                 aconf->host, aconf->port, aconf->className);
 199                 return 0;
 200         }
 201
 202         /* nothing matches.. */
 203         sendto_one(source_p, form_str(RPL_NOTESTLINE),
 204                         me.name, source_p->name, parv[1]);
 205         return 0;
 206 }
 207
 208 static int
 209 mo_testgecos(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 210 {
 211         struct ConfItem *aconf;
 212
 213         if(!(aconf = find_xline(parv[1], 0)))
 214         {
 215                 sendto_one(source_p, form_str(RPL_NOTESTLINE),
 216                                 me.name, source_p->name, parv[1]);
 217                 return 0;
 218         }
 219
 220         sendto_one(source_p, form_str(RPL_TESTLINE),
 221                         me.name, source_p->name,
 222                         aconf->hold ? 'x' : 'X',
 223                         aconf->hold ? (long) ((aconf->hold - rb_current_time()) / 60) : 0L,
 224                         aconf->name, aconf->passwd);
 225         return 0;
 226 }