lib/liblwip/netif/ppp/pap.h

   1 /*****************************************************************************
   2 * pap.h -  PPP Password Authentication Protocol header file.
   3 *
   4 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
   5 * portions Copyright (c) 1997 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 <glanca@gesn.com>, Global Election Systems Inc.
  31 *   Original derived from BSD codes.
  32 *****************************************************************************/
  33 /*
  34  * upap.h - User/Password Authentication Protocol definitions.
  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 #ifndef PAP_H
  53 #define PAP_H
  54
  55 #if PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
  56
  57 /*
  58  * Packet header = Code, id, length.
  59  */
  60 #define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short))
  61
  62
  63 /*
  64  * UPAP codes.
  65  */
  66 #define UPAP_AUTHREQ 1 /* Authenticate-Request */
  67 #define UPAP_AUTHACK 2 /* Authenticate-Ack */
  68 #define UPAP_AUTHNAK 3 /* Authenticate-Nak */
  69
  70 /*
  71  * Each interface is described by upap structure.
  72  */
  73 typedef struct upap_state {
  74   int us_unit;           /* Interface unit number */
  75   const char *us_user;   /* User */
  76   int us_userlen;        /* User length */
  77   const char *us_passwd; /* Password */
  78   int us_passwdlen;      /* Password length */
  79   int us_clientstate;    /* Client state */
  80   int us_serverstate;    /* Server state */
  81   u_char us_id;          /* Current id */
  82   int us_timeouttime;    /* Timeout (seconds) for auth-req retrans. */
  83   int us_transmits;      /* Number of auth-reqs sent */
  84   int us_maxtransmits;   /* Maximum number of auth-reqs to send */
  85   int us_reqtimeout;     /* Time to wait for auth-req from peer */
  86 } upap_state;
  87
  88 /*
  89  * Client states.
  90  */
  91 #define UPAPCS_INITIAL 0 /* Connection down */
  92 #define UPAPCS_CLOSED  1 /* Connection up, haven't requested auth */
  93 #define UPAPCS_PENDING 2 /* Connection down, have requested auth */
  94 #define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */
  95 #define UPAPCS_OPEN    4 /* We've received an Ack */
  96 #define UPAPCS_BADAUTH 5 /* We've received a Nak */
  97
  98 /*
  99  * Server states.
 100  */
 101 #define UPAPSS_INITIAL 0 /* Connection down */
 102 #define UPAPSS_CLOSED  1 /* Connection up, haven't requested auth */
 103 #define UPAPSS_PENDING 2 /* Connection down, have requested auth */
 104 #define UPAPSS_LISTEN  3 /* Listening for an Authenticate */
 105 #define UPAPSS_OPEN    4 /* We've sent an Ack */
 106 #define UPAPSS_BADAUTH 5 /* We've sent a Nak */
 107
 108
 109 extern upap_state upap[];
 110
 111 void upap_authwithpeer  (int, char *, char *);
 112 void upap_authpeer      (int);
 113
 114 extern struct protent pap_protent;
 115
 116 #endif /* PAP_SUPPORT */
 117
 118 #endif /* PAP_H */