[164] | 1 | /*****************************************************************************
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| 2 | * auth.h - PPP Authentication and phase control header file.
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| 3 | *
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| 4 | * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
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| 5 | * portions Copyright (c) 1998 Global Election Systems Inc.
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| 6 | *
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| 7 | * The authors hereby grant permission to use, copy, modify, distribute,
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| 8 | * and license this software and its documentation for any purpose, provided
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| 9 | * that existing copyright notices are retained in all copies and that this
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| 10 | * notice and the following disclaimer are included verbatim in any
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| 11 | * distributions. No written agreement, license, or royalty fee is required
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| 12 | * for any of the authorized uses.
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| 13 | *
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| 14 | * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
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| 15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 17 | * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 24 | *
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| 25 | ******************************************************************************
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| 26 | * REVISION HISTORY
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| 27 | *
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| 28 | * 03-01-01 Marc Boucher <marc@mbsi.ca>
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| 29 | * Ported to lwIP.
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| 30 | * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
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| 31 | * Original derived from BSD pppd.h.
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| 32 | *****************************************************************************/
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| 33 | /*
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| 34 | * pppd.h - PPP daemon global declarations.
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| 35 | *
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| 36 | * Copyright (c) 1989 Carnegie Mellon University.
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| 37 | * All rights reserved.
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| 38 | *
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| 39 | * Redistribution and use in source and binary forms are permitted
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| 40 | * provided that the above copyright notice and this paragraph are
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| 41 | * duplicated in all such forms and that any documentation,
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| 42 | * advertising materials, and other materials related to such
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| 43 | * distribution and use acknowledge that the software was developed
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| 44 | * by Carnegie Mellon University. The name of the
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| 45 | * University may not be used to endorse or promote products derived
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| 46 | * from this software without specific prior written permission.
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| 47 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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| 48 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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| 49 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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| 50 | *
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| 51 | */
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| 52 |
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| 53 | #ifndef AUTH_H
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| 54 | #define AUTH_H
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| 55 |
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| 56 | /***********************
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| 57 | *** PUBLIC FUNCTIONS ***
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| 58 | ***********************/
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| 59 |
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| 60 | /* we are starting to use the link */
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| 61 | void link_required (int);
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| 62 |
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| 63 | /* we are finished with the link */
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| 64 | void link_terminated (int);
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| 65 |
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| 66 | /* the LCP layer has left the Opened state */
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| 67 | void link_down (int);
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| 68 |
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| 69 | /* the link is up; authenticate now */
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| 70 | void link_established (int);
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| 71 |
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| 72 | /* a network protocol has come up */
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| 73 | void np_up (int, u16_t);
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| 74 |
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| 75 | /* a network protocol has gone down */
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| 76 | void np_down (int, u16_t);
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| 77 |
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| 78 | /* a network protocol no longer needs link */
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| 79 | void np_finished (int, u16_t);
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| 80 |
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| 81 | /* peer failed to authenticate itself */
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| 82 | void auth_peer_fail (int, u16_t);
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| 83 |
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| 84 | /* peer successfully authenticated itself */
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| 85 | void auth_peer_success (int, u16_t, char *, int);
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| 86 |
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| 87 | /* we failed to authenticate ourselves */
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| 88 | void auth_withpeer_fail (int, u16_t);
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| 89 |
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| 90 | /* we successfully authenticated ourselves */
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| 91 | void auth_withpeer_success (int, u16_t);
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| 92 |
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| 93 | /* check authentication options supplied */
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| 94 | void auth_check_options (void);
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| 95 |
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| 96 | /* check what secrets we have */
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| 97 | void auth_reset (int);
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| 98 |
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| 99 | /* Check peer-supplied username/password */
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| 100 | u_char check_passwd (int, char *, int, char *, int, char **, int *);
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| 101 |
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| 102 | /* get "secret" for chap */
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| 103 | int get_secret (int, char *, char *, char *, int *, int);
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| 104 |
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| 105 | /* check if IP address is authorized */
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| 106 | int auth_ip_addr (int, u32_t);
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| 107 |
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| 108 | /* check if IP address is unreasonable */
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| 109 | int bad_ip_adrs (u32_t);
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| 110 |
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| 111 | #endif /* AUTH_H */
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