| Travis Geiselbrecht | 1d0df69 | 2008-09-01 02:26:09 -0700 | [diff] [blame^] | 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 | |
| 53 | #ifndef PAP_H |
| 54 | #define PAP_H |
| 55 | |
| 56 | /************************* |
| 57 | *** PUBLIC DEFINITIONS *** |
| 58 | *************************/ |
| 59 | /* |
| 60 | * Packet header = Code, id, length. |
| 61 | */ |
| 62 | #define UPAP_HEADERLEN (sizeof (u_char) + sizeof (u_char) + sizeof (u_short)) |
| 63 | |
| 64 | |
| 65 | /* |
| 66 | * UPAP codes. |
| 67 | */ |
| 68 | #define UPAP_AUTHREQ 1 /* Authenticate-Request */ |
| 69 | #define UPAP_AUTHACK 2 /* Authenticate-Ack */ |
| 70 | #define UPAP_AUTHNAK 3 /* Authenticate-Nak */ |
| 71 | |
| 72 | /* |
| 73 | * Client states. |
| 74 | */ |
| 75 | #define UPAPCS_INITIAL 0 /* Connection down */ |
| 76 | #define UPAPCS_CLOSED 1 /* Connection up, haven't requested auth */ |
| 77 | #define UPAPCS_PENDING 2 /* Connection down, have requested auth */ |
| 78 | #define UPAPCS_AUTHREQ 3 /* We've sent an Authenticate-Request */ |
| 79 | #define UPAPCS_OPEN 4 /* We've received an Ack */ |
| 80 | #define UPAPCS_BADAUTH 5 /* We've received a Nak */ |
| 81 | |
| 82 | /* |
| 83 | * Server states. |
| 84 | */ |
| 85 | #define UPAPSS_INITIAL 0 /* Connection down */ |
| 86 | #define UPAPSS_CLOSED 1 /* Connection up, haven't requested auth */ |
| 87 | #define UPAPSS_PENDING 2 /* Connection down, have requested auth */ |
| 88 | #define UPAPSS_LISTEN 3 /* Listening for an Authenticate */ |
| 89 | #define UPAPSS_OPEN 4 /* We've sent an Ack */ |
| 90 | #define UPAPSS_BADAUTH 5 /* We've sent a Nak */ |
| 91 | |
| 92 | |
| 93 | /************************ |
| 94 | *** PUBLIC DATA TYPES *** |
| 95 | ************************/ |
| 96 | |
| 97 | /* |
| 98 | * Each interface is described by upap structure. |
| 99 | */ |
| 100 | typedef struct upap_state { |
| 101 | int us_unit; /* Interface unit number */ |
| 102 | const char *us_user; /* User */ |
| 103 | int us_userlen; /* User length */ |
| 104 | const char *us_passwd; /* Password */ |
| 105 | int us_passwdlen; /* Password length */ |
| 106 | int us_clientstate; /* Client state */ |
| 107 | int us_serverstate; /* Server state */ |
| 108 | u_char us_id; /* Current id */ |
| 109 | int us_timeouttime; /* Timeout (seconds) for auth-req retrans. */ |
| 110 | int us_transmits; /* Number of auth-reqs sent */ |
| 111 | int us_maxtransmits; /* Maximum number of auth-reqs to send */ |
| 112 | int us_reqtimeout; /* Time to wait for auth-req from peer */ |
| 113 | } upap_state; |
| 114 | |
| 115 | |
| 116 | /*********************** |
| 117 | *** PUBLIC FUNCTIONS *** |
| 118 | ***********************/ |
| 119 | |
| 120 | extern upap_state upap[]; |
| 121 | |
| 122 | void upap_setloginpasswd(int unit, const char *luser, const char *lpassword); |
| 123 | void upap_authwithpeer (int, char *, char *); |
| 124 | void upap_authpeer (int); |
| 125 | |
| 126 | extern struct protent pap_protent; |
| 127 | |
| 128 | #endif /* PAP_H */ |
| 129 | |