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 #include "reject.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_not_oper, 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_not_oper, 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: 3303 $");
  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 rb_sockaddr_storage ip;
  65         char user_trunc[USERLEN + 1], notildeuser_trunc[USERLEN + 1];
  66         const char *name = NULL;
  67         const char *username = NULL;
  68         const char *host = NULL;
  69         char *mask;
  70         char *p;
  71         int host_mask;
  72         int type;
  73         int duration;
  74         char *puser, *phost, *reason, *operreason;
  75         char reasonbuf[BUFSIZE];
  76
  77         mask = LOCAL_COPY(parv[1]);
  78
  79         if (IsChannelName(mask))
  80         {
  81                 resv_p = hash_find_resv(mask);
  82                 if (resv_p != NULL)
  83                 {
  84                         sendto_one(source_p, form_str(RPL_TESTLINE),
  85                                         me.name, source_p->name,
  86                                         resv_p->hold ? 'q' : 'Q',
  87                                         resv_p->hold ? (long) ((resv_p->hold - rb_current_time()) / 60) : 0L,
  88                                         resv_p->host, resv_p->passwd);
  89                         /* this is a false positive, so make sure it isn't counted in stats q
  90                          * --nenolod
  91                          */
  92                         resv_p->port--;
  93                 }
  94                 else
  95                         sendto_one(source_p, form_str(RPL_NOTESTLINE),
  96                                         me.name, source_p->name, parv[1]);
  97                 return 0;
  98         }
  99
 100         if((p = strchr(mask, '!')))
 101         {
 102                 *p++ = '\0';
 103                 name = mask;
 104                 mask = p;
 105
 106                 if(EmptyString(mask))
 107                         return 0;
 108         }
 109
 110         if((p = strchr(mask, '@')))
 111         {
 112                 *p++ = '\0';
 113                 username = mask;
 114                 host = p;
 115
 116                 if(EmptyString(host))
 117                         return 0;
 118         }
 119         else
 120                 host = mask;
 121
 122         /* parses as an IP, check for a dline */
 123         if((type = parse_netmask(host, (struct sockaddr *)&ip, &host_mask)) != HM_HOST)
 124         {
 125 #ifdef RB_IPV6
 126                 if(type == HM_IPV6)
 127                         aconf = find_dline((struct sockaddr *)&ip, AF_INET6);
 128                 else
 129 #endif
 130                         aconf = find_dline((struct sockaddr *)&ip, AF_INET);
 131
 132                 if(aconf && aconf->status & CONF_DLINE)
 133                 {
 134                         get_printable_kline(source_p, aconf, &phost, &reason, &puser, &operreason);
 135                         rb_snprintf(reasonbuf, sizeof(reasonbuf), "%s%s%s", reason,
 136                                 operreason ? "|" : "", operreason ? operreason : "");
 137                         sendto_one(source_p, form_str(RPL_TESTLINE),
 138                                 me.name, source_p->name,
 139                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ? 'd' : 'D',
 140                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ?
 141                                  (long) ((aconf->hold - rb_current_time()) / 60) : 0L,
 142                                 phost, reasonbuf);
 143
 144                         return 0;
 145                 }
 146                 /* Otherwise, aconf is an exempt{} */
 147                 if(aconf == NULL &&
 148                                 (duration = is_reject_ip((struct sockaddr *)&ip)))
 149                         sendto_one(source_p, form_str(RPL_TESTLINE),
 150                                         me.name, source_p->name,
 151                                         '!',
 152                                         duration / 60,
 153                                         host, "Reject cache");
 154                 if(aconf == NULL &&
 155                                 (duration = is_throttle_ip((struct sockaddr *)&ip)))
 156                         sendto_one(source_p, form_str(RPL_TESTLINE),
 157                                         me.name, source_p->name,
 158                                         '!',
 159                                         duration / 60,
 160                                         host, "Throttled");
 161         }
 162
 163         if (username != NULL)
 164         {
 165                 rb_strlcpy(user_trunc, username, sizeof user_trunc);
 166                 rb_strlcpy(notildeuser_trunc, *username == '~' ? username + 1 : username, sizeof notildeuser_trunc);
 167         }
 168         else
 169         {
 170                 rb_strlcpy(user_trunc, "dummy", sizeof user_trunc);
 171                 rb_strlcpy(notildeuser_trunc, "dummy", sizeof notildeuser_trunc);
 172         }
 173         /* now look for a matching I/K/G */
 174         if((aconf = find_address_conf(host, NULL, user_trunc, notildeuser_trunc,
 175                                 (type != HM_HOST) ? (struct sockaddr *)&ip : NULL,
 176                                 (type != HM_HOST) ? (
 177 #ifdef RB_IPV6
 178                                  (type == HM_IPV6) ? AF_INET6 :
 179 #endif
 180                                   AF_INET) : 0, NULL)))
 181         {
 182                 static char buf[HOSTLEN+USERLEN+2];
 183
 184                 if(aconf->status & CONF_KILL)
 185                 {
 186                         get_printable_kline(source_p, aconf, &phost, &reason, &puser, &operreason);
 187                         rb_snprintf(buf, sizeof(buf), "%s@%s",
 188                                         puser, phost);
 189                         rb_snprintf(reasonbuf, sizeof(reasonbuf), "%s%s%s", reason,
 190                                 operreason ? "|" : "", operreason ? operreason : "");
 191                         sendto_one(source_p, form_str(RPL_TESTLINE),
 192                                 me.name, source_p->name,
 193                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ? 'k' : 'K',
 194                                 (aconf->flags & CONF_FLAGS_TEMPORARY) ?
 195                                  (long) ((aconf->hold - rb_current_time()) / 60) : 0L,
 196                                 buf, reasonbuf);
 197                         return 0;
 198                 }
 199         }
 200
 201         /* they asked us to check a nick, so hunt for resvs.. */
 202         if(name && (resv_p = find_nick_resv(name)))
 203         {
 204                 sendto_one(source_p, form_str(RPL_TESTLINE),
 205                                 me.name, source_p->name,
 206                                 resv_p->hold ? 'q' : 'Q',
 207                                 resv_p->hold ? (long) ((resv_p->hold - rb_current_time()) / 60) : 0L,
 208                                 resv_p->host, resv_p->passwd);
 209
 210                 /* this is a false positive, so make sure it isn't counted in stats q
 211                  * --nenolod
 212                  */
 213                 resv_p->port--;
 214                 return 0;
 215         }
 216
 217         /* no matching resv, we can print the I: if it exists */
 218         if(aconf && aconf->status & CONF_CLIENT)
 219         {
 220                 sendto_one_numeric(source_p, RPL_STATSILINE, form_str(RPL_STATSILINE),
 221                                 aconf->name, EmptyString(aconf->spasswd) ? "<NULL>" : aconf->spasswd,
 222                                 show_iline_prefix(source_p, aconf, aconf->user),
 223                                 aconf->host, aconf->port, aconf->className);
 224                 return 0;
 225         }
 226
 227         /* nothing matches.. */
 228         sendto_one(source_p, form_str(RPL_NOTESTLINE),
 229                         me.name, source_p->name, parv[1]);
 230         return 0;
 231 }
 232
 233 static int
 234 mo_testgecos(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
 235 {
 236         struct ConfItem *aconf;
 237
 238         if(!(aconf = find_xline(parv[1], 0)))
 239         {
 240                 sendto_one(source_p, form_str(RPL_NOTESTLINE),
 241                                 me.name, source_p->name, parv[1]);
 242                 return 0;
 243         }
 244
 245         sendto_one(source_p, form_str(RPL_TESTLINE),
 246                         me.name, source_p->name,
 247                         aconf->hold ? 'x' : 'X',
 248                         aconf->hold ? (long) ((aconf->hold - rb_current_time()) / 60) : 0L,
 249                         aconf->host, aconf->passwd);
 250         return 0;
 251 }