auth.h

00001 /*****************************************************************************
00002 * auth.h -  PPP Authentication and phase control header file.
00003 *
00004 * Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
00005 * portions Copyright (c) 1998 Global Election Systems Inc.
00006 *
00007 * The authors hereby grant permission to use, copy, modify, distribute,
00008 * and license this software and its documentation for any purpose, provided
00009 * that existing copyright notices are retained in all copies and that this
00010 * notice and the following disclaimer are included verbatim in any 
00011 * distributions. No written agreement, license, or royalty fee is required
00012 * for any of the authorized uses.
00013 *
00014 * THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
00015 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00016 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
00017 * IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00018 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
00019 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
00020 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
00021 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
00022 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
00023 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00024 *
00025 ******************************************************************************
00026 * REVISION HISTORY
00027 *
00028 * 03-01-01 Marc Boucher <marc@mbsi.ca>
00029 *   Ported to lwIP.
00030 * 97-12-04 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
00031 *   Original derived from BSD pppd.h.
00032 *****************************************************************************/
00033 /*
00034  * pppd.h - PPP daemon global declarations.
00035  *
00036  * Copyright (c) 1989 Carnegie Mellon University.
00037  * All rights reserved.
00038  *
00039  * Redistribution and use in source and binary forms are permitted
00040  * provided that the above copyright notice and this paragraph are
00041  * duplicated in all such forms and that any documentation,
00042  * advertising materials, and other materials related to such
00043  * distribution and use acknowledge that the software was developed
00044  * by Carnegie Mellon University.  The name of the
00045  * University may not be used to endorse or promote products derived
00046  * from this software without specific prior written permission.
00047  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
00048  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
00049  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
00050  *
00051  */
00052 
00053 #ifndef AUTH_H
00054 #define AUTH_H
00055 
00056 /***********************
00057 *** PUBLIC FUNCTIONS ***
00058 ***********************/
00059 
00060 /* we are starting to use the link */
00061 void link_required (int);
00062 
00063 /* we are finished with the link */
00064 void link_terminated (int);
00065 
00066 /* the LCP layer has left the Opened state */
00067 void link_down (int);
00068 
00069 /* the link is up; authenticate now */
00070 void link_established (int);
00071 
00072 /* a network protocol has come up */
00073 void np_up (int, u16_t);
00074 
00075 /* a network protocol has gone down */
00076 void np_down (int, u16_t);
00077 
00078 /* a network protocol no longer needs link */
00079 void np_finished (int, u16_t);
00080 
00081 /* peer failed to authenticate itself */
00082 void auth_peer_fail (int, u16_t);
00083 
00084 /* peer successfully authenticated itself */
00085 void auth_peer_success (int, u16_t, char *, int);
00086 
00087 /* we failed to authenticate ourselves */
00088 void auth_withpeer_fail (int, u16_t);
00089 
00090 /* we successfully authenticated ourselves */
00091 void auth_withpeer_success (int, u16_t);
00092 
00093 /* check authentication options supplied */
00094 void auth_check_options (void);
00095 
00096 /* check what secrets we have */
00097 void auth_reset (int);
00098 
00099 /* Check peer-supplied username/password */
00100 u_char check_passwd (int, char *, int, char *, int, char **, int *);
00101 
00102 /* get "secret" for chap */
00103 int  get_secret (int, char *, char *, char *, int *, int);
00104 
00105 /* check if IP address is authorized */
00106 int  auth_ip_addr (int, u32_t);
00107 
00108 /* check if IP address is unreasonable */
00109 int  bad_ip_adrs (u32_t);
00110 
00111 #endif /* AUTH_H */