modules/m_user.c

   1 /*
   2  *  ircd-ratbox: A slightly useful ircd.
   3  *  m_user.c: Sends username information.
   4  *
   5  *  Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
   6  *  Copyright (C) 1996-2002 Hybrid Development Team
   7  *  Copyright (C) 2002-2005 ircd-ratbox development team
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  22  *  USA
  23  */
  24
  25 #include "stdinc.h"
  26 #include "client.h"
  27 #include "match.h"
  28 #include "ircd.h"
  29 #include "numeric.h"
  30 #include "s_user.h"
  31 #include "send.h"
  32 #include "s_conf.h"
  33 #include "msg.h"
  34 #include "parse.h"
  35 #include "modules.h"
  36 #include "s_assert.h"
  37
  38 static const char user_desc[] =
  39         "Provides the USER command to register a new connection";
  40
  41 static void mr_user(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
  42
  43 struct Message user_msgtab = {
  44         "USER", 0, 0, 0, 0,
  45         {{mr_user, 5}, mg_reg, mg_ignore, mg_ignore, mg_ignore, mg_reg}
  46 };
  47
  48 mapi_clist_av1 user_clist[] = { &user_msgtab, NULL };
  49 DECLARE_MODULE_AV2(user, NULL, NULL, user_clist, NULL, NULL, NULL, NULL, user_desc);
  50
  51 static void do_local_user(struct Client *client_p, struct Client *source_p,
  52                 const char *username, const char *realname);
  53
  54 /* mr_user()
  55  *      parv[1] = username (login name, account)
  56  *      parv[2] = client host name (ignored)
  57  *      parv[3] = server host name (ignored)
  58  *      parv[4] = users gecos
  59  */
  60 static void
  61 mr_user(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
  62 {
  63         static char buf[BUFSIZE];
  64         char *p;
  65
  66         if (strlen(client_p->id) == 3 || (source_p->preClient && !EmptyString(source_p->preClient->id)))
  67         {
  68                 exit_client(client_p, client_p, client_p, "Mixing client and server protocol");
  69                 return;
  70         }
  71
  72         if(source_p->flags & FLAGS_SENTUSER)
  73                 return;
  74
  75         if((p = strchr(parv[1], '@')))
  76                 *p = '\0';
  77
  78         snprintf(buf, sizeof(buf), "%s %s", parv[2], parv[3]);
  79         rb_free(source_p->localClient->fullcaps);
  80         source_p->localClient->fullcaps = rb_strdup(buf);
  81
  82         do_local_user(client_p, source_p, parv[1], parv[4]);
  83 }
  84
  85 static void
  86 do_local_user(struct Client *client_p, struct Client *source_p,
  87               const char *username, const char *realname)
  88 {
  89         s_assert(NULL != source_p);
  90         s_assert(source_p->username != username);
  91
  92         make_user(source_p);
  93
  94         source_p->flags |= FLAGS_SENTUSER;
  95
  96         rb_strlcpy(source_p->info, realname, sizeof(source_p->info));
  97
  98         if(!IsGotId(source_p))
  99                 rb_strlcpy(source_p->username, username, sizeof(source_p->username));
 100
 101         if(source_p->name[0])
 102         {
 103                 /* NICK already received, now I have USER... */
 104                 register_local_user(client_p, source_p);
 105         }
 106 }