include/s_auth.h

   1 /************************************************************************
   2  *   IRC - Internet Relay Chat, include/s_auth.h
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU General Public License as published by
   6  *   the Free Software Foundation; either version 1, or (at your option)
   7  *   any later version.
   8  *
   9  *   This program is distributed in the hope that it will be useful,
  10  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  *   GNU General Public License for more details.
  13  *
  14  *   You should have received a copy of the GNU General Public License
  15  *   along with this program; if not, write to the Free Software
  16  *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18 /** @file
  19  * @brief Interface for DNS and ident lookups.
  20  * @version $Id: s_auth.h,v 1.6 2004/10/05 04:21:37 entrope Exp $
  21  */
  22 #ifndef INCLUDED_s_auth_h
  23 #define INCLUDED_s_auth_h
  24 #ifndef INCLUDED_sys_types_h
  25 #include <sys/types.h>
  26 #define INCLUDED_sys_types_h
  27 #endif
  28 #ifndef INCLUDED_ircd_events_h
  29 #include "ircd_events.h"
  30 #endif
  31
  32 struct Client;
  33
  34 /** Stores state of the DNS and RFC 1413 ident lookups for a client. */
  35 struct AuthRequest {
  36   struct AuthRequest* next;      /**< linked list node ptr */
  37   struct AuthRequest* prev;      /**< linked list node ptr */
  38   struct Client*      client;    /**< pointer to client struct for request */
  39   unsigned int        flags;     /**< current state of request */
  40   int                 fd;        /**< file descriptor for auth queries */
  41   struct Socket       socket;    /**< socket descriptor for auth queries */
  42   struct Timer        timeout;   /**< timeout timer for auth queries */
  43 };
  44
  45 /*
  46  * flag values for AuthRequest
  47  * NAMESPACE: AM_xxx - Authentication Module
  48  */
  49 #define AM_AUTH_CONNECTING   0x01 /**< waiting for ident connect to complete */
  50 #define AM_AUTH_PENDING      0x02 /**< ident connected, waiting for response */
  51 #define AM_DNS_PENDING       0x04 /**< dns request sent, waiting for response */
  52
  53 #define AM_SOCKET            0x40 /**< socket structure not destroyed */
  54 #define AM_TIMEOUT           0x80 /**< timer structure not destroyed */
  55
  56 /** If any of AM_FREE_MASK bits are set, operations are still in progress. */
  57 #define AM_FREE_MASK         (AM_SOCKET | AM_TIMEOUT)
  58
  59 #define SetDNSPending(x)     ((x)->flags |= AM_DNS_PENDING)
  60 #define ClearDNSPending(x)   ((x)->flags &= ~AM_DNS_PENDING)
  61 #define IsDNSPending(x)      ((x)->flags &  AM_DNS_PENDING)
  62
  63 #define SetAuthConnect(x)    ((x)->flags |= AM_AUTH_CONNECTING)
  64 #define ClearAuthConnect(x)  ((x)->flags &= ~AM_AUTH_CONNECTING)
  65 #define IsAuthConnect(x)     ((x)->flags &  AM_AUTH_CONNECTING)
  66
  67 #define SetAuthPending(x)    ((x)->flags |= AM_AUTH_PENDING)
  68 #define ClearAuthPending(x)  ((x)->flags &= AM_AUTH_PENDING)
  69 #define IsAuthPending(x)     ((x)->flags &  AM_AUTH_PENDING)
  70
  71 #define ClearAuth(x)         ((x)->flags &= ~(AM_AUTH_PENDING | AM_AUTH_CONNECTING))
  72 #define IsDoingAuth(x)       ((x)->flags &  (AM_AUTH_PENDING | AM_AUTH_CONNECTING))
  73
  74 extern void start_auth(struct Client *);
  75 extern void read_auth_reply(struct AuthRequest* req);
  76 extern void send_auth_query(struct AuthRequest* req);
  77 extern void destroy_auth_request(struct AuthRequest *req, int send_reports);
  78
  79 #endif /* INCLUDED_s_auth_h */
  80