| 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 | int 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 */ |