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 */ 112