| /***************************************************************************** |
| * pap.h - PPP Password Authentication Protocol header file. |
| * |
| * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc. |
| * portions Copyright (c) 1997 Global Election Systems Inc. |
| * |
| * The authors hereby grant permission to use, copy, modify, distribute, |
| * and license this software and its documentation for any purpose, provided |
| * that existing copyright notices are retained in all copies and that this |
| * notice and the following disclaimer are included verbatim in any |
| * distributions. No written agreement, license, or royalty fee is required |
| * for any of the authorized uses. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| ****************************************************************************** |
| * REVISION HISTORY |
| * |
| * 03-01-01 Marc Boucher <marc@mbsi.ca> |
| * Ported to lwIP. |
| * 97-12-04 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc. |
| * Original derived from BSD codes. |
| *****************************************************************************/ |
| /* |
| * upap.h - User/Password Authentication Protocol definitions. |
| * |
| * Copyright (c) 1989 Carnegie Mellon University. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms are permitted |
| * provided that the above copyright notice and this paragraph are |
| * duplicated in all such forms and that any documentation, |
| * advertising materials, and other materials related to such |
| * distribution and use acknowledge that the software was developed |
| * by Carnegie Mellon University. The name of the |
| * University may not be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
| * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| */ |
| |
| #ifndef PAP_H |
| #define PAP_H |
| |
| #if PAP_SUPPORT /* don't build if not configured for use in lwipopts.h */ |
| |
| /* |
| * Packet header = Code, id, length. |
| */ |
| #define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short)) |
| |
| |
| /* |
| * UPAP codes. |
| */ |
| #define UPAP_AUTHREQ 1 /* Authenticate-Request */ |
| #define UPAP_AUTHACK 2 /* Authenticate-Ack */ |
| #define UPAP_AUTHNAK 3 /* Authenticate-Nak */ |
| |
| /* |
| * Each interface is described by upap structure. |
| */ |
| typedef struct upap_state { |
| int us_unit; /* Interface unit number */ |
| const char *us_user; /* User */ |
| int us_userlen; /* User length */ |
| const char *us_passwd; /* Password */ |
| int us_passwdlen; /* Password length */ |
| int us_clientstate; /* Client state */ |
| int us_serverstate; /* Server state */ |
| u_char us_id; /* Current id */ |
| int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */ |
| int us_transmits; /* Number of auth-reqs sent */ |
| int us_maxtransmits; /* Maximum number of auth-reqs to send */ |
| int us_reqtimeout; /* Time to wait for auth-req from peer */ |
| } upap_state; |
| |
| /* |
| * Client states. |
| */ |
| #define UPAPCS_INITIAL 0 /* Connection down */ |
| #define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */ |
| #define UPAPCS_PENDING 2 /* Connection down, have requested auth */ |
| #define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */ |
| #define UPAPCS_OPEN 4 /* We've received an Ack */ |
| #define UPAPCS_BADAUTH 5 /* We've received a Nak */ |
| |
| /* |
| * Server states. |
| */ |
| #define UPAPSS_INITIAL 0 /* Connection down */ |
| #define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */ |
| #define UPAPSS_PENDING 2 /* Connection down, have requested auth */ |
| #define UPAPSS_LISTEN 3 /* Listening for an Authenticate */ |
| #define UPAPSS_OPEN 4 /* We've sent an Ack */ |
| #define UPAPSS_BADAUTH 5 /* We've sent a Nak */ |
| |
| |
| extern upap_state upap[]; |
| |
| void upap_authwithpeer (int, char *, char *); |
| void upap_authpeer (int); |
| |
| extern struct protent pap_protent; |
| |
| #endif /* PAP_SUPPORT */ |
| |
| #endif /* PAP_H */ |