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lwip2: build: include and lib
This commit is contained in:
david gauchard
committed by
Ivan Grokhotkov
Ivan Grokhotkov
parent
84cf2f4b5e
commit
7315095e46
192
tools/sdk/lwip2/include/netif/ppp/chap-new.h
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192
tools/sdk/lwip2/include/netif/ppp/chap-new.h
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/*
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* chap-new.c - New CHAP implementation.
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*
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* Copyright (c) 2003 Paul Mackerras. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. The name(s) of the authors of this software must not be used to
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* endorse or promote products derived from this software without
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* prior written permission.
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*
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* 3. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by Paul Mackerras
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* <paulus@samba.org>".
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*
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* THE AUTHORS OF THIS SOFTWARE DISCLAIM ALL WARRANTIES WITH REGARD TO
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* THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS, IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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* SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
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* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "netif/ppp/ppp_opts.h"
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#if PPP_SUPPORT && CHAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
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#ifndef CHAP_H
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#define CHAP_H
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#include "ppp.h"
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/*
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* CHAP packets begin with a standard header with code, id, len (2 bytes).
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*/
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#define CHAP_HDRLEN 4
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/*
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* Values for the code field.
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*/
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#define CHAP_CHALLENGE 1
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#define CHAP_RESPONSE 2
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#define CHAP_SUCCESS 3
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#define CHAP_FAILURE 4
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/*
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* CHAP digest codes.
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*/
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#define CHAP_MD5 5
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#if MSCHAP_SUPPORT
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#define CHAP_MICROSOFT 0x80
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#define CHAP_MICROSOFT_V2 0x81
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#endif /* MSCHAP_SUPPORT */
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/*
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* Semi-arbitrary limits on challenge and response fields.
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*/
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#define MAX_CHALLENGE_LEN 64
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#define MAX_RESPONSE_LEN 64
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/*
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* These limits apply to challenge and response packets we send.
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* The +4 is the +1 that we actually need rounded up.
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*/
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#define CHAL_MAX_PKTLEN (PPP_HDRLEN + CHAP_HDRLEN + 4 + MAX_CHALLENGE_LEN + MAXNAMELEN)
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#define RESP_MAX_PKTLEN (PPP_HDRLEN + CHAP_HDRLEN + 4 + MAX_RESPONSE_LEN + MAXNAMELEN)
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/* bitmask of supported algorithms */
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#if MSCHAP_SUPPORT
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#define MDTYPE_MICROSOFT_V2 0x1
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#define MDTYPE_MICROSOFT 0x2
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#endif /* MSCHAP_SUPPORT */
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#define MDTYPE_MD5 0x4
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#define MDTYPE_NONE 0
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#if MSCHAP_SUPPORT
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/* Return the digest alg. ID for the most preferred digest type. */
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#define CHAP_DIGEST(mdtype) \
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((mdtype) & MDTYPE_MD5)? CHAP_MD5: \
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((mdtype) & MDTYPE_MICROSOFT_V2)? CHAP_MICROSOFT_V2: \
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((mdtype) & MDTYPE_MICROSOFT)? CHAP_MICROSOFT: \
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0
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#else /* !MSCHAP_SUPPORT */
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#define CHAP_DIGEST(mdtype) \
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((mdtype) & MDTYPE_MD5)? CHAP_MD5: \
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0
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#endif /* MSCHAP_SUPPORT */
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/* Return the bit flag (lsb set) for our most preferred digest type. */
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#define CHAP_MDTYPE(mdtype) ((mdtype) ^ ((mdtype) - 1)) & (mdtype)
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/* Return the bit flag for a given digest algorithm ID. */
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#if MSCHAP_SUPPORT
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#define CHAP_MDTYPE_D(digest) \
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((digest) == CHAP_MICROSOFT_V2)? MDTYPE_MICROSOFT_V2: \
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((digest) == CHAP_MICROSOFT)? MDTYPE_MICROSOFT: \
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((digest) == CHAP_MD5)? MDTYPE_MD5: \
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0
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#else /* !MSCHAP_SUPPORT */
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#define CHAP_MDTYPE_D(digest) \
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((digest) == CHAP_MD5)? MDTYPE_MD5: \
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0
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#endif /* MSCHAP_SUPPORT */
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/* Can we do the requested digest? */
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#if MSCHAP_SUPPORT
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#define CHAP_CANDIGEST(mdtype, digest) \
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((digest) == CHAP_MICROSOFT_V2)? (mdtype) & MDTYPE_MICROSOFT_V2: \
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((digest) == CHAP_MICROSOFT)? (mdtype) & MDTYPE_MICROSOFT: \
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((digest) == CHAP_MD5)? (mdtype) & MDTYPE_MD5: \
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0
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#else /* !MSCHAP_SUPPORT */
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#define CHAP_CANDIGEST(mdtype, digest) \
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((digest) == CHAP_MD5)? (mdtype) & MDTYPE_MD5: \
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0
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#endif /* MSCHAP_SUPPORT */
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/*
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* The code for each digest type has to supply one of these.
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*/
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struct chap_digest_type {
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int code;
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#if PPP_SERVER
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/*
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* Note: challenge and response arguments below are formatted as
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* a length byte followed by the actual challenge/response data.
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*/
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void (*generate_challenge)(ppp_pcb *pcb, unsigned char *challenge);
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int (*verify_response)(ppp_pcb *pcb, int id, const char *name,
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const unsigned char *secret, int secret_len,
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const unsigned char *challenge, const unsigned char *response,
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char *message, int message_space);
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#endif /* PPP_SERVER */
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void (*make_response)(ppp_pcb *pcb, unsigned char *response, int id, const char *our_name,
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const unsigned char *challenge, const char *secret, int secret_len,
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unsigned char *priv);
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int (*check_success)(ppp_pcb *pcb, unsigned char *pkt, int len, unsigned char *priv);
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void (*handle_failure)(ppp_pcb *pcb, unsigned char *pkt, int len);
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};
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/*
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* Each interface is described by chap structure.
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*/
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#if CHAP_SUPPORT
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typedef struct chap_client_state {
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u8_t flags;
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const char *name;
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const struct chap_digest_type *digest;
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unsigned char priv[64]; /* private area for digest's use */
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} chap_client_state;
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#if PPP_SERVER
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typedef struct chap_server_state {
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u8_t flags;
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u8_t id;
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const char *name;
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const struct chap_digest_type *digest;
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int challenge_xmits;
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int challenge_pktlen;
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unsigned char challenge[CHAL_MAX_PKTLEN];
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} chap_server_state;
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#endif /* PPP_SERVER */
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#endif /* CHAP_SUPPORT */
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#if 0 /* UNUSED */
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/* Hook for a plugin to validate CHAP challenge */
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extern int (*chap_verify_hook)(char *name, char *ourname, int id,
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const struct chap_digest_type *digest,
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unsigned char *challenge, unsigned char *response,
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char *message, int message_space);
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#endif /* UNUSED */
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#if PPP_SERVER
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/* Called by authentication code to start authenticating the peer. */
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extern void chap_auth_peer(ppp_pcb *pcb, const char *our_name, int digest_code);
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#endif /* PPP_SERVER */
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/* Called by auth. code to start authenticating us to the peer. */
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extern void chap_auth_with_peer(ppp_pcb *pcb, const char *our_name, int digest_code);
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/* Represents the CHAP protocol to the main pppd code */
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extern const struct protent chap_protent;
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#endif /* CHAP_H */
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#endif /* PPP_SUPPORT && CHAP_SUPPORT */
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