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Annotation of embedaddon/libpdel/ppp/ppp_auth_chap.h, revision 1.1

1.1     ! misho       1: 
        !             2: /*
        !             3:  * Copyright (c) 2001-2002 Packet Design, LLC.
        !             4:  * All rights reserved.
        !             5:  * 
        !             6:  * Subject to the following obligations and disclaimer of warranty,
        !             7:  * use and redistribution of this software, in source or object code
        !             8:  * forms, with or without modifications are expressly permitted by
        !             9:  * Packet Design; provided, however, that:
        !            10:  * 
        !            11:  *    (i)  Any and all reproductions of the source or object code
        !            12:  *         must include the copyright notice above and the following
        !            13:  *         disclaimer of warranties; and
        !            14:  *    (ii) No rights are granted, in any manner or form, to use
        !            15:  *         Packet Design trademarks, including the mark "PACKET DESIGN"
        !            16:  *         on advertising, endorsements, or otherwise except as such
        !            17:  *         appears in the above copyright notice or in the software.
        !            18:  * 
        !            19:  * THIS SOFTWARE IS BEING PROVIDED BY PACKET DESIGN "AS IS", AND
        !            20:  * TO THE MAXIMUM EXTENT PERMITTED BY LAW, PACKET DESIGN MAKES NO
        !            21:  * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING
        !            22:  * THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED
        !            23:  * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE,
        !            24:  * OR NON-INFRINGEMENT.  PACKET DESIGN DOES NOT WARRANT, GUARANTEE,
        !            25:  * OR MAKE ANY REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS
        !            26:  * OF THE USE OF THIS SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY,
        !            27:  * RELIABILITY OR OTHERWISE.  IN NO EVENT SHALL PACKET DESIGN BE
        !            28:  * LIABLE FOR ANY DAMAGES RESULTING FROM OR ARISING OUT OF ANY USE
        !            29:  * OF THIS SOFTWARE, INCLUDING WITHOUT LIMITATION, ANY DIRECT,
        !            30:  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE, OR CONSEQUENTIAL
        !            31:  * DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, LOSS OF
        !            32:  * USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER ANY THEORY OF
        !            33:  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            34:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
        !            35:  * THE USE OF THIS SOFTWARE, EVEN IF PACKET DESIGN IS ADVISED OF
        !            36:  * THE POSSIBILITY OF SUCH DAMAGE.
        !            37:  *
        !            38:  * Author: Archie Cobbs <archie@freebsd.org>
        !            39:  */
        !            40: 
        !            41: #ifndef _PDEL_PPP_PPP_AUTH_CHAP_H_
        !            42: #define _PDEL_PPP_PPP_AUTH_CHAP_H_
        !            43: 
        !            44: struct ppp_log;
        !            45: struct ppp_auth_cred_chap;
        !            46: 
        !            47: /*
        !            48:  * CHAP function to set ID in credentials structure
        !            49:  */
        !            50: typedef void   ppp_auth_chap_set_id_t(struct ppp_auth_cred_chap *cred,
        !            51:                        u_char id);
        !            52: 
        !            53: /*
        !            54:  * CHAP hash function
        !            55:  *
        !            56:  * Should put the hash value into "cred", using the id and challenge
        !            57:  * value in "cred" and the supplied secret.
        !            58:  *
        !            59:  * This function is for client code's use.
        !            60:  */
        !            61: typedef void   ppp_auth_chap_hash_t(struct ppp_auth_cred_chap *cred,
        !            62:                        const void *secret, size_t slen);
        !            63: 
        !            64: /*
        !            65:  * CHAP compare function
        !            66:  *
        !            67:  * Should compare the two hash values and return 1 if they
        !            68:  * agree, otherwise zero.
        !            69:  *
        !            70:  * This function is for client code's use.
        !            71:  */
        !            72: typedef int    ppp_auth_chap_equal_t(struct ppp_auth_cred_chap *cred1,
        !            73:                        struct ppp_auth_cred_chap *cred2);
        !            74: 
        !            75: /*
        !            76:  * CHAP final function
        !            77:  *
        !            78:  * Handle any final action such as Microsoft ACK overloading in MS-CHAPv2.
        !            79:  * This is called after recieving an ACK when we are authenticating
        !            80:  * to the peer.
        !            81:  */
        !            82: typedef int    ppp_auth_chap_final_t(struct ppp_auth_cred_chap *cred,
        !            83:                        struct ppp_log *log, int valid, const u_char *payload,
        !            84:                        size_t len, const u_char *authresp);
        !            85: 
        !            86: /* CHAP type methods */
        !            87: struct ppp_auth_chap_type {
        !            88:        ppp_auth_chap_set_id_t  *set_id;        /* set 'id' in cred */
        !            89:        ppp_auth_chap_hash_t    *hash;          /* hash method */
        !            90:        ppp_auth_chap_equal_t   *equal;         /* compare method */
        !            91:        ppp_auth_chap_final_t   *final;         /* final method */
        !            92:        u_char                  cfixed;         /* fixed challenge length */
        !            93:        u_int                   clen;           /* challenge length */
        !            94:        u_int                   roff;           /* response offset */
        !            95:        u_int                   rlen;           /* response length */
        !            96: };
        !            97: 
        !            98: __BEGIN_DECLS
        !            99: 
        !           100: /* Supported CHAP types */
        !           101: extern const struct ppp_auth_chap_type ppp_auth_chap_md5;
        !           102: extern const struct ppp_auth_chap_type ppp_auth_chap_msv1;
        !           103: extern const struct ppp_auth_chap_type ppp_auth_chap_msv2;
        !           104: 
        !           105: __END_DECLS
        !           106: 
        !           107: #ifdef _PDEL_PPP_PRIVATE_H_
        !           108: 
        !           109: /* MS-CHAP errors */
        !           110: struct mschap_err {
        !           111:        int             err;
        !           112:        const char      *msg;
        !           113: };
        !           114: 
        !           115: __BEGIN_DECLS
        !           116: 
        !           117: /* Auth type methods for CHAP */
        !           118: extern ppp_authtype_start_t    ppp_auth_chap_start;
        !           119: extern ppp_authtype_cancel_t   ppp_auth_chap_cancel;
        !           120: extern ppp_authtype_input_t    ppp_auth_chap_input;
        !           121: 
        !           122: extern const struct mschap_err ppp_mschap_errs[];
        !           123: 
        !           124: __END_DECLS
        !           125: 
        !           126: #endif /* _PDEL_PPP_PRIVATE_H_ */
        !           127: 
        !           128: #endif /* _PDEL_PPP_PPP_AUTH_CHAP_H_ */