lib/liblwip/netif/ppp/auth.h

   1 /*****************************************************************************
   2 * auth.h -  PPP Authentication and phase control header file.
   3 *
   4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
   5 * portions Copyright (c) 1998 Global Election Systems Inc.
   6 *
   7 * The authors hereby grant permission to use, copy, modify, distribute,
   8 * and license this software and its documentation for any purpose, provided
   9 * that existing copyright notices are retained in all copies and that this
  10 * notice and the following disclaimer are included verbatim in any
  11 * distributions. No written agreement, license, or royalty fee is required
  12 * for any of the authorized uses.
  13 *
  14 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
  15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24 *
  25 ******************************************************************************
  26 * REVISION HISTORY
  27 *
  28 * 03-01-01 Marc Boucher <marc@mbsi.ca>
  29 *   Ported to lwIP.
  30 * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
  31 *   Original derived from BSD pppd.h.
  32 *****************************************************************************/
  33 /*
  34  * pppd.h - PPP daemon global declarations.
  35  *
  36  * Copyright (c) 1989 Carnegie Mellon University.
  37  * All rights reserved.
  38  *
  39  * Redistribution and use in source and binary forms are permitted
  40  * provided that the above copyright notice and this paragraph are
  41  * duplicated in all such forms and that any documentation,
  42  * advertising materials, and other materials related to such
  43  * distribution and use acknowledge that the software was developed
  44  * by Carnegie Mellon University.  The name of the
  45  * University may not be used to endorse or promote products derived
  46  * from this software without specific prior written permission.
  47  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  48  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  49  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  50  *
  51  */
  52
  53 #ifndef AUTH_H
  54 #define AUTH_H
  55
  56 /***********************
  57 *** PUBLIC FUNCTIONS ***
  58 ***********************/
  59
  60 /* we are starting to use the link */
  61 void link_required (int);
  62
  63 /* we are finished with the link */
  64 void link_terminated (int);
  65
  66 /* the LCP layer has left the Opened state */
  67 void link_down (int);
  68
  69 /* the link is up; authenticate now */
  70 void link_established (int);
  71
  72 /* a network protocol has come up */
  73 void np_up (int, u16_t);
  74
  75 /* a network protocol has gone down */
  76 void np_down (int, u16_t);
  77
  78 /* a network protocol no longer needs link */
  79 void np_finished (int, u16_t);
  80
  81 /* peer failed to authenticate itself */
  82 void auth_peer_fail (int, u16_t);
  83
  84 /* peer successfully authenticated itself */
  85 void auth_peer_success (int, u16_t, char *, int);
  86
  87 /* we failed to authenticate ourselves */
  88 void auth_withpeer_fail (int, u16_t);
  89
  90 /* we successfully authenticated ourselves */
  91 void auth_withpeer_success (int, u16_t);
  92
  93 /* check authentication options supplied */
  94 void auth_check_options (void);
  95
  96 /* check what secrets we have */
  97 void auth_reset (int);
  98
  99 /* Check peer-supplied username/password */
 100 u_char check_passwd (int, char *, int, char *, int, char **, int *);
 101
 102 /* get "secret" for chap */
 103 int  get_secret (int, char *, char *, char *, int *, int);
 104
 105 /* check if IP address is authorized */
 106 int  auth_ip_addr (int, u32_t);
 107
 108 /* check if IP address is unreasonable */
 109 int  bad_ip_adrs (u32_t);
 110
 111 #endif /* AUTH_H */