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@@ -1,882 +0,0 @@
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-/*
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- * pppd.h - PPP daemon global declarations.
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- *
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- * Copyright (c) 1984-2000 Carnegie Mellon University. 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. Redistributions in binary form must reproduce the above copyright
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- * notice, this list of conditions and the following disclaimer in
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- * the documentation and/or other materials provided with the
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- * distribution.
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- *
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- * 3. The name "Carnegie Mellon University" 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. For permission or any legal
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- * details, please contact
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- * Office of Technology Transfer
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- * Carnegie Mellon University
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- * 5000 Forbes Avenue
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- * Pittsburgh, PA 15213-3890
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- * (412) 268-4387, fax: (412) 268-7395
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- * tech-transfer@andrew.cmu.edu
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- *
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- * 4. Redistributions of any form whatsoever must retain the following
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- * acknowledgment:
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- * "This product includes software developed by Computing Services
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- * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
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- *
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- * CARNEGIE MELLON UNIVERSITY DISCLAIMS 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 CARNEGIE MELLON UNIVERSITY BE LIABLE
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- * FOR ANY 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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- * upstream pppd.h,v 1.82 2003/04/07 00:01:46 paulus Exp
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- * $Id: pppd.h,v 1.1 2004/04/28 11:36:07 quozl Exp $
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- */
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-
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-/*
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- * TODO:
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- */
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-
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-#ifndef __PPPD_H__
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-#define __PPPD_H__
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-
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-#include <stdio.h> /* for FILE */
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-#include <limits.h> /* for NGROUPS_MAX */
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-#include <sys/param.h> /* for MAXPATHLEN and BSD4_4, if defined */
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-#include <sys/types.h> /* for u_int32_t, if defined */
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-#include <sys/time.h> /* for struct timeval */
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-#include <net/ppp_defs.h>
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-#include "patchlevel.h"
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-
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-#if defined(__STDC__)
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-#include <stdarg.h>
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-#define __V(x) x
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-#else
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-#include <varargs.h>
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-#define __V(x) (va_alist) va_dcl
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-#define const
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-#define volatile
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-#endif
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-
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-#ifdef INET6
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-#include "eui64.h"
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-#endif
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-
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-/*
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- * Limits.
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- */
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-
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-#define NUM_PPP 1 /* One PPP interface supported (per process) */
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-#define MAXWORDLEN 1024 /* max length of word in file (incl null) */
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-#define MAXARGS 1 /* max # args to a command */
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-#define MAXNAMELEN 256 /* max length of hostname or name for auth */
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-#define MAXSECRETLEN 256 /* max length of password or secret */
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-
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-/*
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- * Option descriptor structure.
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- */
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-
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-typedef unsigned char bool;
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-
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-enum opt_type {
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- o_special_noarg = 0,
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- o_special = 1,
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- o_bool,
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- o_int,
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- o_uint32,
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- o_string,
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- o_wild
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-};
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-
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-typedef struct {
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- char *name; /* name of the option */
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- enum opt_type type;
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- void *addr;
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- char *description;
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- unsigned int flags;
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- void *addr2;
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- int upper_limit;
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- int lower_limit;
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- const char *source;
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- short int priority;
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- short int winner;
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-} option_t;
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-
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-/* Values for flags */
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-#define OPT_VALUE 0xff /* mask for presupplied value */
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-#define OPT_HEX 0x100 /* int option is in hex */
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-#define OPT_NOARG 0x200 /* option doesn't take argument */
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-#define OPT_OR 0x400 /* OR in argument to value */
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-#define OPT_INC 0x800 /* increment value */
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-#define OPT_A2OR 0x800 /* for o_bool, OR arg to *(u_char *)addr2 */
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-#define OPT_PRIV 0x1000 /* privileged option */
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-#define OPT_STATIC 0x2000 /* string option goes into static array */
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-#define OPT_LLIMIT 0x4000 /* check value against lower limit */
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-#define OPT_ULIMIT 0x8000 /* check value against upper limit */
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-#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT)
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-#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */
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-#define OPT_HIDE 0x10000 /* for o_string, print value as ?????? */
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-#define OPT_A2LIST 0x10000 /* for o_special, keep list of values */
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-#define OPT_A2CLRB 0x10000 /* o_bool, clr val bits in *(u_char *)addr2 */
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-#define OPT_NOINCR 0x20000 /* value mustn't be increased */
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-#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */
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-#define OPT_PRIO 0x80000 /* process option priorities for this option */
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-#define OPT_PRIOSUB 0x100000 /* subsidiary member of priority group */
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-#define OPT_ALIAS 0x200000 /* option is alias for previous option */
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-#define OPT_A2COPY 0x400000 /* addr2 -> second location to rcv value */
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-#define OPT_ENABLE 0x800000 /* use *addr2 as enable for option */
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-#define OPT_A2CLR 0x1000000 /* clear *(bool *)addr2 */
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-#define OPT_PRIVFIX 0x2000000 /* user can't override if set by root */
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-#define OPT_INITONLY 0x4000000 /* option can only be set in init phase */
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-#define OPT_DEVEQUIV 0x8000000 /* equiv to device name */
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-#define OPT_DEVNAM (OPT_INITONLY | OPT_DEVEQUIV)
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-#define OPT_A2PRINTER 0x10000000 /* *addr2 is a fn for printing option */
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-#define OPT_A2STRVAL 0x20000000 /* *addr2 points to current string value */
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-#define OPT_NOPRINT 0x40000000 /* don't print this option at all */
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-
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-#define OPT_VAL(x) ((x) & OPT_VALUE)
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-
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-/* Values for priority */
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-#define OPRIO_DEFAULT 0 /* a default value */
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-#define OPRIO_CFGFILE 1 /* value from a configuration file */
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-#define OPRIO_CMDLINE 2 /* value from the command line */
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-#define OPRIO_SECFILE 3 /* value from options in a secrets file */
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-#define OPRIO_ROOT 100 /* added to priority if OPT_PRIVFIX && root */
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-
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-#ifndef GIDSET_TYPE
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-#define GIDSET_TYPE gid_t
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-#endif
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-
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-/* Structure representing a list of permitted IP addresses. */
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-struct permitted_ip {
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- int permit; /* 1 = permit, 0 = forbid */
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- u_int32_t base; /* match if (addr & mask) == base */
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- u_int32_t mask; /* base and mask are in network byte order */
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-};
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-
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-/*
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- * Unfortunately, the linux kernel driver uses a different structure
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- * for statistics from the rest of the ports.
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- * This structure serves as a common representation for the bits
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- * pppd needs.
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- */
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-struct pppd_stats {
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- unsigned int bytes_in;
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- unsigned int bytes_out;
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- unsigned int pkts_in;
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- unsigned int pkts_out;
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-};
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-
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-/* Used for storing a sequence of words. Usually malloced. */
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-struct wordlist {
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- struct wordlist *next;
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- char *word;
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-};
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-
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-/* An endpoint discriminator, used with multilink. */
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-#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */
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-struct epdisc {
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- unsigned char class;
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- unsigned char length;
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- unsigned char value[MAX_ENDP_LEN];
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-};
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-
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-/* values for epdisc.class */
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-#define EPD_NULL 0 /* null discriminator, no data */
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-#define EPD_LOCAL 1
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-#define EPD_IP 2
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-#define EPD_MAC 3
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-#define EPD_MAGIC 4
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-#define EPD_PHONENUM 5
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-
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-typedef void (*notify_func) __P((void *, int));
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-
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-struct notifier {
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- struct notifier *next;
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- notify_func func;
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- void *arg;
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-};
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-
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-/*
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- * Global variables.
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- */
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-
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-extern int hungup; /* Physical layer has disconnected */
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-extern int ifunit; /* Interface unit number */
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-extern char ifname[]; /* Interface name */
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-extern char hostname[]; /* Our hostname */
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-extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
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-extern int phase; /* Current state of link - see values below */
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-extern int baud_rate; /* Current link speed in bits/sec */
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-extern char *progname; /* Name of this program */
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-extern int redirect_stderr;/* Connector's stderr should go to file */
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-extern char peer_authname[];/* Authenticated name of peer */
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-extern int auth_done[NUM_PPP]; /* Methods actually used for auth */
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-extern int privileged; /* We were run by real-uid root */
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-extern int need_holdoff; /* Need holdoff period after link terminates */
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-extern char **script_env; /* Environment variables for scripts */
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-extern int detached; /* Have detached from controlling tty */
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-extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */
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-extern int ngroups; /* How many groups valid in groups */
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-extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
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-extern int link_stats_valid; /* set if link_stats is valid */
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-extern unsigned link_connect_time; /* time the link was up for */
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-extern int using_pty; /* using pty as device (notty or pty opt.) */
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-extern int log_to_fd; /* logging to this fd as well as syslog */
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-extern bool log_default; /* log_to_fd is default (stdout) */
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-extern char *no_ppp_msg; /* message to print if ppp not in kernel */
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-extern volatile int status; /* exit status for pppd */
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-extern bool devnam_fixed; /* can no longer change devnam */
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-extern int unsuccess; /* # unsuccessful connection attempts */
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-extern int do_callback; /* set if we want to do callback next */
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-extern int doing_callback; /* set if this is a callback */
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-extern int error_count; /* # of times error() has been called */
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-extern char ppp_devnam[MAXPATHLEN];
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-extern char remote_number[MAXNAMELEN]; /* Remote telephone number, if avail. */
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-extern int ppp_session_number; /* Session number (eg PPPoE session) */
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-
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-extern int listen_time; /* time to listen first (ms) */
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-extern struct notifier *pidchange; /* for notifications of pid changing */
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-extern struct notifier *phasechange; /* for notifications of phase changes */
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-extern struct notifier *exitnotify; /* for notification that we're exiting */
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-extern struct notifier *sigreceived; /* notification of received signal */
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-extern struct notifier *ip_up_notifier; /* IPCP has come up */
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-extern struct notifier *ip_down_notifier; /* IPCP has gone down */
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-extern struct notifier *auth_up_notifier; /* peer has authenticated */
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-extern struct notifier *link_down_notifier; /* link has gone down */
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-extern struct notifier *fork_notifier; /* we are a new child process */
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-
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-/* Values for do_callback and doing_callback */
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-#define CALLBACK_DIALIN 1 /* we are expecting the call back */
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-#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */
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-
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-/*
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- * Variables set by command-line options.
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- */
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-
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-extern int debug; /* Debug flag */
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-extern int kdebugflag; /* Tell kernel to print debug messages */
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-extern int default_device; /* Using /dev/tty or equivalent */
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-extern char devnam[MAXPATHLEN]; /* Device name */
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-extern int crtscts; /* Use hardware flow control */
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-extern bool modem; /* Use modem control lines */
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-extern int inspeed; /* Input/Output speed requested */
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-extern u_int32_t netmask; /* IP netmask to set on interface */
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-extern bool lockflag; /* Create lock file to lock the serial dev */
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-extern bool nodetach; /* Don't detach from controlling tty */
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-extern bool updetach; /* Detach from controlling tty when link up */
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-extern char *initializer; /* Script to initialize physical link */
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-extern char *connect_script; /* Script to establish physical link */
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-extern char *disconnect_script; /* Script to disestablish physical link */
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-extern char *welcomer; /* Script to welcome client after connection */
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-extern char *ptycommand; /* Command to run on other side of pty */
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-extern int maxconnect; /* Maximum connect time (seconds) */
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-extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */
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-extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */
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-extern bool auth_required; /* Peer is required to authenticate */
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-extern bool persist; /* Reopen link after it goes down */
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-extern bool uselogin; /* Use /etc/passwd for checking PAP */
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-extern char our_name[MAXNAMELEN];/* Our name for authentication purposes */
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-extern char remote_name[MAXNAMELEN]; /* Peer's name for authentication */
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-extern bool explicit_remote;/* remote_name specified with remotename opt */
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-extern bool demand; /* Do dial-on-demand */
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-extern char *ipparam; /* Extra parameter for ip up/down scripts */
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-extern bool cryptpap; /* Others' PAP passwords are encrypted */
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-extern int idle_time_limit;/* Shut down link if idle for this long */
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-extern int holdoff; /* Dead time before restarting */
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-extern bool holdoff_specified; /* true if user gave a holdoff value */
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-extern bool notty; /* Stdin/out is not a tty */
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-extern char *pty_socket; /* Socket to connect to pty */
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-extern char *record_file; /* File to record chars sent/received */
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-extern bool sync_serial; /* Device is synchronous serial device */
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-extern int maxfail; /* Max # of unsuccessful connection attempts */
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-extern char linkname[MAXPATHLEN]; /* logical name for link */
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-extern bool tune_kernel; /* May alter kernel settings as necessary */
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-extern int connect_delay; /* Time to delay after connect script */
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-extern int max_data_rate; /* max bytes/sec through charshunt */
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-extern int req_unit; /* interface unit number to use */
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-extern bool multilink; /* enable multilink operation */
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-extern bool noendpoint; /* don't send or accept endpt. discrim. */
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-extern char *bundle_name; /* bundle name for multilink */
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-extern bool dump_options; /* print out option values */
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-extern bool dryrun; /* check everything, print options, exit */
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-
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-#ifdef MAXOCTETS
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-extern unsigned int maxoctets; /* Maximum octetes per session (in bytes) */
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-extern int maxoctets_dir; /* Direction :
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- 0 - in+out (default)
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- 1 - in
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- 2 - out
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- 3 - max(in,out) */
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-extern int maxoctets_timeout; /* Timeout for check of octets limit */
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-#define PPP_OCTETS_DIRECTION_SUM 0
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-#define PPP_OCTETS_DIRECTION_IN 1
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-#define PPP_OCTETS_DIRECTION_OUT 2
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-#define PPP_OCTETS_DIRECTION_MAXOVERAL 3
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-/* same as previos, but little different on RADIUS side */
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-#define PPP_OCTETS_DIRECTION_MAXSESSION 4
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-#endif
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-
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-#ifdef PPP_FILTER
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-extern struct bpf_program pass_filter; /* Filter for pkts to pass */
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-extern struct bpf_program active_filter; /* Filter for link-active pkts */
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-#endif
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-
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-#ifdef MSLANMAN
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-extern bool ms_lanman; /* Use LanMan password instead of NT */
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- /* Has meaning only with MS-CHAP challenges */
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-#endif
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-
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-/* Values for auth_pending, auth_done */
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-#define PAP_WITHPEER 0x1
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-#define PAP_PEER 0x2
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-#define CHAP_WITHPEER 0x4
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-#define CHAP_PEER 0x8
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-#define EAP_WITHPEER 0x10
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-#define EAP_PEER 0x20
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-
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-/* Values for auth_done only */
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-#define CHAP_MD5_WITHPEER 0x40
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-#define CHAP_MD5_PEER 0x80
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-#ifdef CHAPMS
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-#define CHAP_MS_SHIFT 8 /* LSB position for MS auths */
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-#define CHAP_MS_WITHPEER 0x100
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-#define CHAP_MS_PEER 0x200
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-#define CHAP_MS2_WITHPEER 0x400
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-#define CHAP_MS2_PEER 0x800
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-#endif
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-
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-extern char *current_option; /* the name of the option being parsed */
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-extern int privileged_option; /* set iff the current option came from root */
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-extern char *option_source; /* string saying where the option came from */
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-extern int option_priority; /* priority of current options */
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-
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-/*
|
|
|
- * Values for phase.
|
|
|
- */
|
|
|
-#define PHASE_DEAD 0
|
|
|
-#define PHASE_INITIALIZE 1
|
|
|
-#define PHASE_SERIALCONN 2
|
|
|
-#define PHASE_DORMANT 3
|
|
|
-#define PHASE_ESTABLISH 4
|
|
|
-#define PHASE_AUTHENTICATE 5
|
|
|
-#define PHASE_CALLBACK 6
|
|
|
-#define PHASE_NETWORK 7
|
|
|
-#define PHASE_RUNNING 8
|
|
|
-#define PHASE_TERMINATE 9
|
|
|
-#define PHASE_DISCONNECT 10
|
|
|
-#define PHASE_HOLDOFF 11
|
|
|
-
|
|
|
-/*
|
|
|
- * The following struct gives the addresses of procedures to call
|
|
|
- * for a particular protocol.
|
|
|
- */
|
|
|
-struct protent {
|
|
|
- u_short protocol; /* PPP protocol number */
|
|
|
- /* Initialization procedure */
|
|
|
- void (*init) __P((int unit));
|
|
|
- /* Process a received packet */
|
|
|
- void (*input) __P((int unit, u_char *pkt, int len));
|
|
|
- /* Process a received protocol-reject */
|
|
|
- void (*protrej) __P((int unit));
|
|
|
- /* Lower layer has come up */
|
|
|
- void (*lowerup) __P((int unit));
|
|
|
- /* Lower layer has gone down */
|
|
|
- void (*lowerdown) __P((int unit));
|
|
|
- /* Open the protocol */
|
|
|
- void (*open) __P((int unit));
|
|
|
- /* Close the protocol */
|
|
|
- void (*close) __P((int unit, char *reason));
|
|
|
- /* Print a packet in readable form */
|
|
|
- int (*printpkt) __P((u_char *pkt, int len,
|
|
|
- void (*printer) __P((void *, char *, ...)),
|
|
|
- void *arg));
|
|
|
- /* Process a received data packet */
|
|
|
- void (*datainput) __P((int unit, u_char *pkt, int len));
|
|
|
- bool enabled_flag; /* 0 iff protocol is disabled */
|
|
|
- char *name; /* Text name of protocol */
|
|
|
- char *data_name; /* Text name of corresponding data protocol */
|
|
|
- option_t *options; /* List of command-line options */
|
|
|
- /* Check requested options, assign defaults */
|
|
|
- void (*check_options) __P((void));
|
|
|
- /* Configure interface for demand-dial */
|
|
|
- int (*demand_conf) __P((int unit));
|
|
|
- /* Say whether to bring up link for this pkt */
|
|
|
- int (*active_pkt) __P((u_char *pkt, int len));
|
|
|
-};
|
|
|
-
|
|
|
-/* Table of pointers to supported protocols */
|
|
|
-extern struct protent *protocols[];
|
|
|
-
|
|
|
-/*
|
|
|
- * This struct contains pointers to a set of procedures for
|
|
|
- * doing operations on a "channel". A channel provides a way
|
|
|
- * to send and receive PPP packets - the canonical example is
|
|
|
- * a serial port device in PPP line discipline (or equivalently
|
|
|
- * with PPP STREAMS modules pushed onto it).
|
|
|
- */
|
|
|
-struct channel {
|
|
|
- /* set of options for this channel */
|
|
|
- option_t *options;
|
|
|
- /* find and process a per-channel options file */
|
|
|
- void (*process_extra_options) __P((void));
|
|
|
- /* check all the options that have been given */
|
|
|
- void (*check_options) __P((void));
|
|
|
- /* get the channel ready to do PPP, return a file descriptor */
|
|
|
- int (*connect) __P((void));
|
|
|
- /* we're finished with the channel */
|
|
|
- void (*disconnect) __P((void));
|
|
|
- /* put the channel into PPP `mode' */
|
|
|
- int (*establish_ppp) __P((int));
|
|
|
- /* take the channel out of PPP `mode', restore loopback if demand */
|
|
|
- void (*disestablish_ppp) __P((int));
|
|
|
- /* set the transmit-side PPP parameters of the channel */
|
|
|
- void (*send_config) __P((int, u_int32_t, int, int));
|
|
|
- /* set the receive-side PPP parameters of the channel */
|
|
|
- void (*recv_config) __P((int, u_int32_t, int, int));
|
|
|
- /* cleanup on error or normal exit */
|
|
|
- void (*cleanup) __P((void));
|
|
|
- /* close the device, called in children after fork */
|
|
|
- void (*close) __P((void));
|
|
|
-};
|
|
|
-
|
|
|
-extern struct channel *the_channel;
|
|
|
-
|
|
|
-/*
|
|
|
- * Prototypes.
|
|
|
- */
|
|
|
-
|
|
|
-/* Procedures exported from main.c. */
|
|
|
-void set_ifunit __P((int)); /* set stuff that depends on ifunit */
|
|
|
-void detach __P((void)); /* Detach from controlling tty */
|
|
|
-void die __P((int)); /* Cleanup and exit */
|
|
|
-void quit __P((void)); /* like die(1) */
|
|
|
-void novm __P((char *)); /* Say we ran out of memory, and die */
|
|
|
-void timeout __P((void (*func)(void *), void *arg, int s, int us));
|
|
|
- /* Call func(arg) after s.us seconds */
|
|
|
-void untimeout __P((void (*func)(void *), void *arg));
|
|
|
- /* Cancel call to func(arg) */
|
|
|
-void record_child __P((int, char *, void (*) (void *), void *));
|
|
|
-pid_t safe_fork __P((void)); /* Fork & close stuff in child */
|
|
|
-int device_script __P((char *cmd, int in, int out, int dont_wait));
|
|
|
- /* Run `cmd' with given stdin and stdout */
|
|
|
-pid_t run_program __P((char *prog, char **args, int must_exist,
|
|
|
- void (*done)(void *), void *arg));
|
|
|
- /* Run program prog with args in child */
|
|
|
-void reopen_log __P((void)); /* (re)open the connection to syslog */
|
|
|
-void update_link_stats __P((int)); /* Get stats at link termination */
|
|
|
-void script_setenv __P((char *, char *, int)); /* set script env var */
|
|
|
-void script_unsetenv __P((char *)); /* unset script env var */
|
|
|
-void new_phase __P((int)); /* signal start of new phase */
|
|
|
-void add_notifier __P((struct notifier **, notify_func, void *));
|
|
|
-void remove_notifier __P((struct notifier **, notify_func, void *));
|
|
|
-void notify __P((struct notifier *, int));
|
|
|
-int ppp_send_config __P((int, int, u_int32_t, int, int));
|
|
|
-int ppp_recv_config __P((int, int, u_int32_t, int, int));
|
|
|
-
|
|
|
-/* Procedures exported from tty.c. */
|
|
|
-void tty_init __P((void));
|
|
|
-
|
|
|
-/* Procedures exported from utils.c. */
|
|
|
-void log_packet __P((u_char *, int, char *, int));
|
|
|
- /* Format a packet and log it with syslog */
|
|
|
-void print_string __P((char *, int, void (*) (void *, char *, ...),
|
|
|
- void *)); /* Format a string for output */
|
|
|
-int slprintf __P((char *, int, char *, ...)); /* sprintf++ */
|
|
|
-int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */
|
|
|
-size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */
|
|
|
-size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */
|
|
|
-void dbglog __P((char *, ...)); /* log a debug message */
|
|
|
-void info __P((char *, ...)); /* log an informational message */
|
|
|
-void notice __P((char *, ...)); /* log a notice-level message */
|
|
|
-void warn __P((char *, ...)); /* log a warning message */
|
|
|
-void error __P((char *, ...)); /* log an error message */
|
|
|
-void fatal __P((char *, ...)); /* log an error message and die(1) */
|
|
|
-void init_pr_log __P((char *, int)); /* initialize for using pr_log */
|
|
|
-void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
|
|
|
-void end_pr_log __P((void)); /* finish up after using pr_log */
|
|
|
-void dump_packet __P((const char *, u_char *, int));
|
|
|
- /* dump packet to debug log if interesting */
|
|
|
-ssize_t complete_read __P((int, void *, size_t));
|
|
|
- /* read a complete buffer */
|
|
|
-
|
|
|
-/* Procedures exported from auth.c */
|
|
|
-void link_required __P((int)); /* we are starting to use the link */
|
|
|
-void link_terminated __P((int)); /* we are finished with the link */
|
|
|
-void link_down __P((int)); /* the LCP layer has left the Opened state */
|
|
|
-void link_established __P((int)); /* the link is up; authenticate now */
|
|
|
-void start_networks __P((int)); /* start all the network control protos */
|
|
|
-void continue_networks __P((int)); /* start network [ip, etc] control protos */
|
|
|
-void np_up __P((int, int)); /* a network protocol has come up */
|
|
|
-void np_down __P((int, int)); /* a network protocol has gone down */
|
|
|
-void np_finished __P((int, int)); /* a network protocol no longer needs link */
|
|
|
-void auth_peer_fail __P((int, int));
|
|
|
- /* peer failed to authenticate itself */
|
|
|
-void auth_peer_success __P((int, int, int, char *, int));
|
|
|
- /* peer successfully authenticated itself */
|
|
|
-void auth_withpeer_fail __P((int, int));
|
|
|
- /* we failed to authenticate ourselves */
|
|
|
-void auth_withpeer_success __P((int, int, int));
|
|
|
- /* we successfully authenticated ourselves */
|
|
|
-void auth_check_options __P((void));
|
|
|
- /* check authentication options supplied */
|
|
|
-void auth_reset __P((int)); /* check what secrets we have */
|
|
|
-int check_passwd __P((int, char *, int, char *, int, char **));
|
|
|
- /* Check peer-supplied username/password */
|
|
|
-int get_secret __P((int, char *, char *, char *, int *, int));
|
|
|
- /* get "secret" for chap */
|
|
|
-int get_srp_secret __P((int unit, char *client, char *server, char *secret,
|
|
|
- int am_server));
|
|
|
-int auth_ip_addr __P((int, u_int32_t));
|
|
|
- /* check if IP address is authorized */
|
|
|
-int auth_number __P((void)); /* check if remote number is authorized */
|
|
|
-int bad_ip_adrs __P((u_int32_t));
|
|
|
- /* check if IP address is unreasonable */
|
|
|
-
|
|
|
-/* Procedures exported from demand.c */
|
|
|
-void demand_conf __P((void)); /* config interface(s) for demand-dial */
|
|
|
-void demand_block __P((void)); /* set all NPs to queue up packets */
|
|
|
-void demand_unblock __P((void)); /* set all NPs to pass packets */
|
|
|
-void demand_discard __P((void)); /* set all NPs to discard packets */
|
|
|
-void demand_rexmit __P((int)); /* retransmit saved frames for an NP */
|
|
|
-int loop_chars __P((unsigned char *, int)); /* process chars from loopback */
|
|
|
-int loop_frame __P((unsigned char *, int)); /* should we bring link up? */
|
|
|
-
|
|
|
-/* Procedures exported from multilink.c */
|
|
|
-void mp_check_options __P((void)); /* Check multilink-related options */
|
|
|
-int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */
|
|
|
-char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
|
|
|
-int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
|
|
|
-
|
|
|
-/* Procedures exported from sys-*.c */
|
|
|
-void sys_init __P((void)); /* Do system-dependent initialization */
|
|
|
-void sys_cleanup __P((void)); /* Restore system state before exiting */
|
|
|
-int sys_check_options __P((void)); /* Check options specified */
|
|
|
-void sys_close __P((void)); /* Clean up in a child before execing */
|
|
|
-int ppp_available __P((void)); /* Test whether ppp kernel support exists */
|
|
|
-int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
|
|
|
-int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
|
|
|
-int tty_establish_ppp __P((int)); /* Turn serial port into a ppp interface */
|
|
|
-void tty_disestablish_ppp __P((int)); /* Restore port to normal operation */
|
|
|
-void generic_disestablish_ppp __P((int dev_fd)); /* Restore device setting */
|
|
|
-int generic_establish_ppp __P((int dev_fd)); /* Make a ppp interface */
|
|
|
-void make_new_bundle __P((int, int, int, int)); /* Create new bundle */
|
|
|
-int bundle_attach __P((int)); /* Attach link to existing bundle */
|
|
|
-void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */
|
|
|
-void clean_check __P((void)); /* Check if line was 8-bit clean */
|
|
|
-void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */
|
|
|
-void restore_tty __P((int)); /* Restore port's original parameters */
|
|
|
-void setdtr __P((int, int)); /* Raise or lower port's DTR line */
|
|
|
-void output __P((int, u_char *, int)); /* Output a PPP packet */
|
|
|
-void wait_input __P((struct timeval *));
|
|
|
- /* Wait for input, with timeout */
|
|
|
-void add_fd __P((int)); /* Add fd to set to wait for */
|
|
|
-void remove_fd __P((int)); /* Remove fd from set to wait for */
|
|
|
-int read_packet __P((u_char *)); /* Read PPP packet */
|
|
|
-int get_loop_output __P((void)); /* Read pkts from loopback */
|
|
|
-void tty_send_config __P((int, u_int32_t, int, int));
|
|
|
- /* Configure i/f transmit parameters */
|
|
|
-void tty_set_xaccm __P((ext_accm));
|
|
|
- /* Set extended transmit ACCM */
|
|
|
-void tty_recv_config __P((int, u_int32_t, int, int));
|
|
|
- /* Configure i/f receive parameters */
|
|
|
-int ccp_test __P((int, u_char *, int, int));
|
|
|
- /* Test support for compression scheme */
|
|
|
-void ccp_flags_set __P((int, int, int));
|
|
|
- /* Set kernel CCP state */
|
|
|
-int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */
|
|
|
-int get_idle_time __P((int, struct ppp_idle *));
|
|
|
- /* Find out how long link has been idle */
|
|
|
-int get_ppp_stats __P((int, struct pppd_stats *));
|
|
|
- /* Return link statistics */
|
|
|
-void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
|
|
|
-int netif_get_mtu __P((int)); /* Get PPP interface MTU */
|
|
|
-int sifvjcomp __P((int, int, int, int));
|
|
|
- /* Configure VJ TCP header compression */
|
|
|
-int sifup __P((int)); /* Configure i/f up for one protocol */
|
|
|
-int sifnpmode __P((int u, int proto, enum NPmode mode));
|
|
|
- /* Set mode for handling packets for proto */
|
|
|
-int sifdown __P((int)); /* Configure i/f down for one protocol */
|
|
|
-int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
|
|
|
- /* Configure IPv4 addresses for i/f */
|
|
|
-int cifaddr __P((int, u_int32_t, u_int32_t));
|
|
|
- /* Reset i/f IP addresses */
|
|
|
-#ifdef INET6
|
|
|
-int sif6addr __P((int, eui64_t, eui64_t));
|
|
|
- /* Configure IPv6 addresses for i/f */
|
|
|
-int cif6addr __P((int, eui64_t, eui64_t));
|
|
|
- /* Remove an IPv6 address from i/f */
|
|
|
-#endif
|
|
|
-int sifdefaultroute __P((int, u_int32_t, u_int32_t));
|
|
|
- /* Create default route through i/f */
|
|
|
-int cifdefaultroute __P((int, u_int32_t, u_int32_t));
|
|
|
- /* Delete default route through i/f */
|
|
|
-int sifproxyarp __P((int, u_int32_t));
|
|
|
- /* Add proxy ARP entry for peer */
|
|
|
-int cifproxyarp __P((int, u_int32_t));
|
|
|
- /* Delete proxy ARP entry for peer */
|
|
|
-u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */
|
|
|
-int lock __P((char *)); /* Create lock file for device */
|
|
|
-int relock __P((int)); /* Rewrite lock file with new pid */
|
|
|
-void unlock __P((void)); /* Delete previously-created lock file */
|
|
|
-void logwtmp __P((const char *, const char *, const char *));
|
|
|
- /* Write entry to wtmp file */
|
|
|
-int get_host_seed __P((void)); /* Get host-dependent random number seed */
|
|
|
-int have_route_to __P((u_int32_t)); /* Check if route to addr exists */
|
|
|
-#ifdef PPP_FILTER
|
|
|
-int set_filters __P((struct bpf_program *pass, struct bpf_program *active));
|
|
|
- /* Set filter programs in kernel */
|
|
|
-#endif
|
|
|
-#ifdef IPX_CHANGE
|
|
|
-int sipxfaddr __P((int, unsigned long, unsigned char *));
|
|
|
-int cipxfaddr __P((int));
|
|
|
-#endif
|
|
|
-int get_if_hwaddr __P((u_char *addr, char *name));
|
|
|
-char *get_first_ethernet __P((void));
|
|
|
-
|
|
|
-/* Procedures exported from options.c */
|
|
|
-int setipaddr __P((char *, char **, int)); /* Set local/remote ip addresses */
|
|
|
-int parse_args __P((int argc, char **argv));
|
|
|
- /* Parse options from arguments given */
|
|
|
-int options_from_file __P((char *filename, int must_exist, int check_prot,
|
|
|
- int privileged));
|
|
|
- /* Parse options from an options file */
|
|
|
-int options_from_user __P((void)); /* Parse options from user's .ppprc */
|
|
|
-int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */
|
|
|
-int options_from_list __P((struct wordlist *, int privileged));
|
|
|
- /* Parse options from a wordlist */
|
|
|
-int getword __P((FILE *f, char *word, int *newlinep, char *filename));
|
|
|
- /* Read a word from a file */
|
|
|
-void option_error __P((char *fmt, ...));
|
|
|
- /* Print an error message about an option */
|
|
|
-int int_option __P((char *, int *));
|
|
|
- /* Simplified number_option for decimal ints */
|
|
|
-void add_options __P((option_t *)); /* Add extra options */
|
|
|
-void check_options __P((void)); /* check values after all options parsed */
|
|
|
-int override_value __P((const char *, int, const char *));
|
|
|
- /* override value if permitted by priority */
|
|
|
-void print_options __P((void (*) __P((void *, char *, ...)), void *));
|
|
|
- /* print out values of all options */
|
|
|
-
|
|
|
-int parse_dotted_ip __P((char *, u_int32_t *));
|
|
|
-
|
|
|
-/*
|
|
|
- * Hooks to enable plugins to change various things.
|
|
|
- */
|
|
|
-extern int (*new_phase_hook) __P((int));
|
|
|
-extern int (*idle_time_hook) __P((struct ppp_idle *));
|
|
|
-extern int (*holdoff_hook) __P((void));
|
|
|
-extern int (*pap_check_hook) __P((void));
|
|
|
-extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp,
|
|
|
- struct wordlist **paddrs,
|
|
|
- struct wordlist **popts));
|
|
|
-extern void (*pap_logout_hook) __P((void));
|
|
|
-extern int (*pap_passwd_hook) __P((char *user, char *passwd));
|
|
|
-extern int (*allowed_address_hook) __P((u_int32_t addr));
|
|
|
-extern void (*ip_up_hook) __P((void));
|
|
|
-extern void (*ip_down_hook) __P((void));
|
|
|
-extern void (*ip_choose_hook) __P((u_int32_t *));
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-
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-extern int (*chap_check_hook) __P((void));
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-extern int (*chap_passwd_hook) __P((char *user, char *passwd));
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-
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-/* Let a plugin snoop sent and received packets. Useful for L2TP */
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-extern void (*snoop_recv_hook) __P((unsigned char *p, int len));
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-extern void (*snoop_send_hook) __P((unsigned char *p, int len));
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-
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-/*
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- * Inline versions of get/put char/short/long.
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- * Pointer is advanced; we assume that both arguments
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- * are lvalues and will already be in registers.
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- * cp MUST be u_char *.
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- */
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-#define GETCHAR(c, cp) { \
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- (c) = *(cp)++; \
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-}
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-#define PUTCHAR(c, cp) { \
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- *(cp)++ = (u_char) (c); \
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-}
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-
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-
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-#define GETSHORT(s, cp) { \
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- (s) = *(cp)++ << 8; \
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- (s) |= *(cp)++; \
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-}
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-#define PUTSHORT(s, cp) { \
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- *(cp)++ = (u_char) ((s) >> 8); \
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- *(cp)++ = (u_char) (s); \
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-}
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-
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-#define GETLONG(l, cp) { \
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- (l) = *(cp)++ << 8; \
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- (l) |= *(cp)++; (l) <<= 8; \
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- (l) |= *(cp)++; (l) <<= 8; \
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- (l) |= *(cp)++; \
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-}
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-#define PUTLONG(l, cp) { \
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- *(cp)++ = (u_char) ((l) >> 24); \
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- *(cp)++ = (u_char) ((l) >> 16); \
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- *(cp)++ = (u_char) ((l) >> 8); \
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- *(cp)++ = (u_char) (l); \
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-}
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-
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-#define INCPTR(n, cp) ((cp) += (n))
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|
-#define DECPTR(n, cp) ((cp) -= (n))
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-
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|
|
-/*
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|
|
- * System dependent definitions for user-level 4.3BSD UNIX implementation.
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|
|
- */
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-
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-#define TIMEOUT(r, f, t) timeout((r), (f), (t), 0)
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|
-#define UNTIMEOUT(r, f) untimeout((r), (f))
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-
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-#define BCOPY(s, d, l) memcpy(d, s, l)
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|
-#define BZERO(s, n) memset(s, 0, n)
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|
|
-#define BCMP(s1, s2, l) memcmp(s1, s2, l)
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-
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|
|
-#define PRINTMSG(m, l) { info("Remote message: %0.*v", l, m); }
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-
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|
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-/*
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|
|
- * MAKEHEADER - Add Header fields to a packet.
|
|
|
- */
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|
|
-#define MAKEHEADER(p, t) { \
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|
|
- PUTCHAR(PPP_ALLSTATIONS, p); \
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|
|
- PUTCHAR(PPP_UI, p); \
|
|
|
- PUTSHORT(t, p); }
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|
|
-
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|
|
-/*
|
|
|
- * Exit status values.
|
|
|
- */
|
|
|
-#define EXIT_OK 0
|
|
|
-#define EXIT_FATAL_ERROR 1
|
|
|
-#define EXIT_OPTION_ERROR 2
|
|
|
-#define EXIT_NOT_ROOT 3
|
|
|
-#define EXIT_NO_KERNEL_SUPPORT 4
|
|
|
-#define EXIT_USER_REQUEST 5
|
|
|
-#define EXIT_LOCK_FAILED 6
|
|
|
-#define EXIT_OPEN_FAILED 7
|
|
|
-#define EXIT_CONNECT_FAILED 8
|
|
|
-#define EXIT_PTYCMD_FAILED 9
|
|
|
-#define EXIT_NEGOTIATION_FAILED 10
|
|
|
-#define EXIT_PEER_AUTH_FAILED 11
|
|
|
-#define EXIT_IDLE_TIMEOUT 12
|
|
|
-#define EXIT_CONNECT_TIME 13
|
|
|
-#define EXIT_CALLBACK 14
|
|
|
-#define EXIT_PEER_DEAD 15
|
|
|
-#define EXIT_HANGUP 16
|
|
|
-#define EXIT_LOOPBACK 17
|
|
|
-#define EXIT_INIT_FAILED 18
|
|
|
-#define EXIT_AUTH_TOPEER_FAILED 19
|
|
|
-#ifdef MAXOCTETS
|
|
|
-#define EXIT_TRAFFIC_LIMIT 20
|
|
|
-#endif
|
|
|
-#define EXIT_CNID_AUTH_FAILED 21
|
|
|
-
|
|
|
-/*
|
|
|
- * Debug macros. Slightly useful for finding bugs in pppd, not particularly
|
|
|
- * useful for finding out why your connection isn't being established.
|
|
|
- */
|
|
|
-#ifdef DEBUGALL
|
|
|
-#define DEBUGMAIN 1
|
|
|
-#define DEBUGFSM 1
|
|
|
-#define DEBUGLCP 1
|
|
|
-#define DEBUGIPCP 1
|
|
|
-#define DEBUGIPV6CP 1
|
|
|
-#define DEBUGUPAP 1
|
|
|
-#define DEBUGCHAP 1
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */
|
|
|
-#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \
|
|
|
- || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \
|
|
|
- || defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP)
|
|
|
-#define LOG_PPP LOG_LOCAL2
|
|
|
-#else
|
|
|
-#define LOG_PPP LOG_DAEMON
|
|
|
-#endif
|
|
|
-#endif /* LOG_PPP */
|
|
|
-
|
|
|
-#ifdef DEBUGMAIN
|
|
|
-#define MAINDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define MAINDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifdef DEBUGSYS
|
|
|
-#define SYSDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define SYSDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifdef DEBUGFSM
|
|
|
-#define FSMDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define FSMDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifdef DEBUGLCP
|
|
|
-#define LCPDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define LCPDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifdef DEBUGIPCP
|
|
|
-#define IPCPDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define IPCPDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifdef DEBUGIPV6CP
|
|
|
-#define IPV6CPDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define IPV6CPDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifdef DEBUGUPAP
|
|
|
-#define UPAPDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define UPAPDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifdef DEBUGCHAP
|
|
|
-#define CHAPDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define CHAPDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifdef DEBUGIPXCP
|
|
|
-#define IPXCPDEBUG(x) if (debug) dbglog x
|
|
|
-#else
|
|
|
-#define IPXCPDEBUG(x)
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifndef SIGTYPE
|
|
|
-#if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE)
|
|
|
-#define SIGTYPE void
|
|
|
-#else
|
|
|
-#define SIGTYPE int
|
|
|
-#endif /* defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) */
|
|
|
-#endif /* SIGTYPE */
|
|
|
-
|
|
|
-#ifndef MIN
|
|
|
-#define MIN(a, b) ((a) < (b)? (a): (b))
|
|
|
-#endif
|
|
|
-#ifndef MAX
|
|
|
-#define MAX(a, b) ((a) > (b)? (a): (b))
|
|
|
-#endif
|
|
|
-
|
|
|
-#ifndef offsetof
|
|
|
-#define offsetof(type, member) ((size_t) &((type *)0)->member)
|
|
|
-#endif
|
|
|
-
|
|
|
-#endif /* __PPP_H__ */
|
John Lauro