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[people/teissler/ipfire-2.x.git] / src / patches / capi4k-utils-2004-10-06_ppp-2.4.3.patch

diff -Naur capi4k-utils.old/pppdcapiplugin/Makefile capi4k-utils/pppdcapiplugin/Makefile
--- capi4k-utils.old/pppdcapiplugin/Makefile	Mon Feb 23 18:30:39 2004
+++ capi4k-utils/pppdcapiplugin/Makefile	Wed Nov 24 22:19:36 2004
@@ -18,7 +18,7 @@
 PPPSRCDIRS=/src/isdn/pppd
 
 ifeq ($(PPPVERSIONS),)
-PPPVERSIONS = 2.3.11 2.4.0 2.4.1 2.4.1b1 2.4.1b2 2.4.2b3 2.4.2
+PPPVERSIONS = 2.3.11 2.4.0 2.4.1 2.4.1b1 2.4.1b2 2.4.2b3 2.4.2 2.4.3
 endif
 
 PEERDIR=${DESTDIR}/etc/ppp/peers/isdn
diff -Naur capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/Makefile capi4k-utils/pppdcapiplugin/ppp-2.4.3/Makefile
--- capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/Makefile	Thu Jan  1 01:00:00 1970
+++ capi4k-utils/pppdcapiplugin/ppp-2.4.3/Makefile	Sun May 18 21:11:16 2003
@@ -0,0 +1,14 @@
+# Makefile for the capiplugin for pppd(8).
+#
+# Copyright 2000 Carsten Paeth (calle@calle.in-berlin.de)
+# Copyright 2000 AVM GmbH Berlin (info@avm.de)
+#
+#  This program is free software; you can redistribute it and/or
+#  modify it under the terms of the GNU General Public License
+#  as published by the Free Software Foundation; either version
+#  2 of the License, or (at your option) any later version.
+
+PLUGINDIR=${DESTDIR}/usr/lib/pppd/$(PPPVERSION)
+
+include $(TOPDIR)/Rules.make
+
diff -Naur capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/pppd/patchlevel.h capi4k-utils/pppdcapiplugin/ppp-2.4.3/pppd/patchlevel.h
--- capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/pppd/patchlevel.h	Thu Jan  1 01:00:00 1970
+++ capi4k-utils/pppdcapiplugin/ppp-2.4.3/pppd/patchlevel.h	Sat Nov 13 12:08:02 2004
@@ -0,0 +1,4 @@
+/* $Id: capi4k-utils-2004-10-06_ppp-2.4.3.patch,v 1.1.2.1 2004/11/24 23:27:29 gespinasse Exp $ */
+
+#define VERSION		"2.4.3"
+#define DATE		"13 November 2004"
diff -Naur capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/pppd/pppd.h capi4k-utils/pppdcapiplugin/ppp-2.4.3/pppd/pppd.h
--- capi4k-utils.old/pppdcapiplugin/ppp-2.4.3/pppd/pppd.h	Thu Jan  1 01:00:00 1970
+++ capi4k-utils/pppdcapiplugin/ppp-2.4.3/pppd/pppd.h	Sat Nov 13 12:02:22 2004
@@ -0,0 +1,905 @@
+/*
+ * pppd.h - PPP daemon global declarations.
+ *
+ * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. The name "Carnegie Mellon University" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For permission or any legal
+ *    details, please contact
+ *      Office of Technology Transfer
+ *      Carnegie Mellon University
+ *      5000 Forbes Avenue
+ *      Pittsburgh, PA  15213-3890
+ *      (412) 268-4387, fax: (412) 268-7395
+ *      tech-transfer@andrew.cmu.edu
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by Computing Services
+ *     at Carnegie Mellon University (http://www.cmu.edu/computing/)."
+ *
+ * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
+ * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * $Id: capi4k-utils-2004-10-06_ppp-2.4.3.patch,v 1.1.2.1 2004/11/24 23:27:29 gespinasse Exp $
+ */
+
+/*
+ * TODO:
+ */
+
+#ifndef __PPPD_H__
+#define __PPPD_H__
+
+#include <stdio.h>		/* for FILE */
+#include <limits.h>		/* for NGROUPS_MAX */
+#include <sys/param.h>		/* for MAXPATHLEN and BSD4_4, if defined */
+#include <sys/types.h>		/* for u_int32_t, if defined */
+#include <sys/time.h>		/* for struct timeval */
+#include <net/ppp_defs.h>
+#include "patchlevel.h"
+
+#if defined(__STDC__)
+#include <stdarg.h>
+#define __V(x)	x
+#else
+#include <varargs.h>
+#define __V(x)	(va_alist) va_dcl
+#define const
+#define volatile
+#endif
+
+#ifdef INET6
+#include "eui64.h"
+#endif
+
+/*
+ * Limits.
+ */
+
+#define NUM_PPP		1	/* One PPP interface supported (per process) */
+#define MAXWORDLEN	1024	/* max length of word in file (incl null) */
+#define MAXARGS		1	/* max # args to a command */
+#define MAXNAMELEN	256	/* max length of hostname or name for auth */
+#define MAXSECRETLEN	256	/* max length of password or secret */
+
+/*
+ * Option descriptor structure.
+ */
+
+typedef unsigned char	bool;
+
+enum opt_type {
+	o_special_noarg = 0,
+	o_special = 1,
+	o_bool,
+	o_int,
+	o_uint32,
+	o_string,
+	o_wild
+};
+
+typedef struct {
+	char	*name;		/* name of the option */
+	enum opt_type type;
+	void	*addr;
+	char	*description;
+	unsigned int flags;
+	void	*addr2;
+	int	upper_limit;
+	int	lower_limit;
+	const char *source;
+	short int priority;
+	short int winner;
+} option_t;
+
+/* Values for flags */
+#define OPT_VALUE	0xff	/* mask for presupplied value */
+#define OPT_HEX		0x100	/* int option is in hex */
+#define OPT_NOARG	0x200	/* option doesn't take argument */
+#define OPT_OR		0x400	/* OR in argument to value */
+#define OPT_INC		0x800	/* increment value */
+#define OPT_A2OR	0x800	/* for o_bool, OR arg to *(u_char *)addr2 */
+#define OPT_PRIV	0x1000	/* privileged option */
+#define OPT_STATIC	0x2000	/* string option goes into static array */
+#define OPT_LLIMIT	0x4000	/* check value against lower limit */
+#define OPT_ULIMIT	0x8000	/* check value against upper limit */
+#define OPT_LIMITS	(OPT_LLIMIT|OPT_ULIMIT)
+#define OPT_ZEROOK	0x10000	/* 0 value is OK even if not within limits */
+#define OPT_HIDE	0x10000	/* for o_string, print value as ?????? */
+#define OPT_A2LIST	0x10000 /* for o_special, keep list of values */
+#define OPT_A2CLRB	0x10000 /* o_bool, clr val bits in *(u_char *)addr2 */
+#define OPT_NOINCR	0x20000	/* value mustn't be increased */
+#define OPT_ZEROINF	0x40000	/* with OPT_NOINCR, 0 == infinity */
+#define OPT_PRIO	0x80000	/* process option priorities for this option */
+#define OPT_PRIOSUB	0x100000 /* subsidiary member of priority group */
+#define OPT_ALIAS	0x200000 /* option is alias for previous option */
+#define OPT_A2COPY	0x400000 /* addr2 -> second location to rcv value */
+#define OPT_ENABLE	0x800000 /* use *addr2 as enable for option */
+#define OPT_A2CLR	0x1000000 /* clear *(bool *)addr2 */
+#define OPT_PRIVFIX	0x2000000 /* user can't override if set by root */
+#define OPT_INITONLY	0x4000000 /* option can only be set in init phase */
+#define OPT_DEVEQUIV	0x8000000 /* equiv to device name */
+#define OPT_DEVNAM	(OPT_INITONLY | OPT_DEVEQUIV)
+#define OPT_A2PRINTER	0x10000000 /* *addr2 is a fn for printing option */
+#define OPT_A2STRVAL	0x20000000 /* *addr2 points to current string value */
+#define OPT_NOPRINT	0x40000000 /* don't print this option at all */
+
+#define OPT_VAL(x)	((x) & OPT_VALUE)
+
+/* Values for priority */
+#define OPRIO_DEFAULT	0	/* a default value */
+#define OPRIO_CFGFILE	1	/* value from a configuration file */
+#define OPRIO_CMDLINE	2	/* value from the command line */
+#define OPRIO_SECFILE	3	/* value from options in a secrets file */
+#define OPRIO_ROOT	100	/* added to priority if OPT_PRIVFIX && root */
+
+#ifndef GIDSET_TYPE
+#define GIDSET_TYPE	gid_t
+#endif
+
+/* Structure representing a list of permitted IP addresses. */
+struct permitted_ip {
+    int		permit;		/* 1 = permit, 0 = forbid */
+    u_int32_t	base;		/* match if (addr & mask) == base */
+    u_int32_t	mask;		/* base and mask are in network byte order */
+};
+
+/*
+ * Unfortunately, the linux kernel driver uses a different structure
+ * for statistics from the rest of the ports.
+ * This structure serves as a common representation for the bits
+ * pppd needs.
+ */
+struct pppd_stats {
+    unsigned int	bytes_in;
+    unsigned int	bytes_out;
+    unsigned int	pkts_in;
+    unsigned int	pkts_out;
+};
+
+/* Used for storing a sequence of words.  Usually malloced. */
+struct wordlist {
+    struct wordlist	*next;
+    char		*word;
+};
+
+/* An endpoint discriminator, used with multilink. */
+#define MAX_ENDP_LEN	20	/* maximum length of discriminator value */
+struct epdisc {
+    unsigned char	class;
+    unsigned char	length;
+    unsigned char	value[MAX_ENDP_LEN];
+};
+
+/* values for epdisc.class */
+#define EPD_NULL	0	/* null discriminator, no data */
+#define EPD_LOCAL	1
+#define EPD_IP		2
+#define EPD_MAC		3
+#define EPD_MAGIC	4
+#define EPD_PHONENUM	5
+
+typedef void (*notify_func) __P((void *, int));
+
+struct notifier {
+    struct notifier *next;
+    notify_func	    func;
+    void	    *arg;
+};
+
+/*
+ * Global variables.
+ */
+
+extern int	hungup;		/* Physical layer has disconnected */
+extern int	ifunit;		/* Interface unit number */
+extern char	ifname[];	/* Interface name */
+extern char	hostname[];	/* Our hostname */
+extern u_char	outpacket_buf[]; /* Buffer for outgoing packets */
+extern int	devfd;		/* fd of underlying device */
+extern int	fd_ppp;		/* fd for talking PPP */
+extern int	phase;		/* Current state of link - see values below */
+extern int	baud_rate;	/* Current link speed in bits/sec */
+extern char	*progname;	/* Name of this program */
+extern int	redirect_stderr;/* Connector's stderr should go to file */
+extern char	peer_authname[];/* Authenticated name of peer */
+extern int	auth_done[NUM_PPP]; /* Methods actually used for auth */
+extern int	privileged;	/* We were run by real-uid root */
+extern int	need_holdoff;	/* Need holdoff period after link terminates */
+extern char	**script_env;	/* Environment variables for scripts */
+extern int	detached;	/* Have detached from controlling tty */
+extern GIDSET_TYPE groups[NGROUPS_MAX];	/* groups the user is in */
+extern int	ngroups;	/* How many groups valid in groups */
+extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */
+extern int	link_stats_valid; /* set if link_stats is valid */
+extern unsigned	link_connect_time; /* time the link was up for */
+extern int	using_pty;	/* using pty as device (notty or pty opt.) */
+extern int	log_to_fd;	/* logging to this fd as well as syslog */
+extern bool	log_default;	/* log_to_fd is default (stdout) */
+extern char	*no_ppp_msg;	/* message to print if ppp not in kernel */
+extern volatile int status;	/* exit status for pppd */
+extern bool	devnam_fixed;	/* can no longer change devnam */
+extern int	unsuccess;	/* # unsuccessful connection attempts */
+extern int	do_callback;	/* set if we want to do callback next */
+extern int	doing_callback;	/* set if this is a callback */
+extern int	error_count;	/* # of times error() has been called */
+extern char	ppp_devnam[MAXPATHLEN];
+extern char     remote_number[MAXNAMELEN]; /* Remote telephone number, if avail. */
+extern int      ppp_session_number; /* Session number (eg PPPoE session) */
+extern int	fd_devnull;	/* fd open to /dev/null */
+
+extern int	listen_time;	/* time to listen first (ms) */
+extern bool	doing_multilink;
+extern bool	multilink_master;
+extern bool	bundle_eof;
+extern bool	bundle_terminating;
+
+extern struct notifier *pidchange;   /* for notifications of pid changing */
+extern struct notifier *phasechange; /* for notifications of phase changes */
+extern struct notifier *exitnotify;  /* for notification that we're exiting */
+extern struct notifier *sigreceived; /* notification of received signal */
+extern struct notifier *ip_up_notifier; /* IPCP has come up */
+extern struct notifier *ip_down_notifier; /* IPCP has gone down */
+extern struct notifier *auth_up_notifier; /* peer has authenticated */
+extern struct notifier *link_down_notifier; /* link has gone down */
+extern struct notifier *fork_notifier;	/* we are a new child process */
+
+/* Values for do_callback and doing_callback */
+#define CALLBACK_DIALIN		1	/* we are expecting the call back */
+#define CALLBACK_DIALOUT	2	/* we are dialling out to call back */
+
+/*
+ * Variables set by command-line options.
+ */
+
+extern int	debug;		/* Debug flag */
+extern int	kdebugflag;	/* Tell kernel to print debug messages */
+extern int	default_device;	/* Using /dev/tty or equivalent */
+extern char	devnam[MAXPATHLEN];	/* Device name */
+extern int	crtscts;	/* Use hardware flow control */
+extern bool	modem;		/* Use modem control lines */
+extern int	inspeed;	/* Input/Output speed requested */
+extern u_int32_t netmask;	/* IP netmask to set on interface */
+extern bool	lockflag;	/* Create lock file to lock the serial dev */
+extern bool	nodetach;	/* Don't detach from controlling tty */
+extern bool	updetach;	/* Detach from controlling tty when link up */
+extern char	*initializer;	/* Script to initialize physical link */
+extern char	*connect_script; /* Script to establish physical link */
+extern char	*disconnect_script; /* Script to disestablish physical link */
+extern char	*welcomer;	/* Script to welcome client after connection */
+extern char	*ptycommand;	/* Command to run on other side of pty */
+extern int	maxconnect;	/* Maximum connect time (seconds) */
+extern char	user[MAXNAMELEN];/* Our name for authenticating ourselves */
+extern char	passwd[MAXSECRETLEN];	/* Password for PAP or CHAP */
+extern bool	auth_required;	/* Peer is required to authenticate */
+extern bool	persist;	/* Reopen link after it goes down */
+extern bool	uselogin;	/* Use /etc/passwd for checking PAP */
+extern char	our_name[MAXNAMELEN];/* Our name for authentication purposes */
+extern char	remote_name[MAXNAMELEN]; /* Peer's name for authentication */
+extern bool	explicit_remote;/* remote_name specified with remotename opt */
+extern bool	demand;		/* Do dial-on-demand */
+extern char	*ipparam;	/* Extra parameter for ip up/down scripts */
+extern bool	cryptpap;	/* Others' PAP passwords are encrypted */
+extern int	idle_time_limit;/* Shut down link if idle for this long */
+extern int	holdoff;	/* Dead time before restarting */
+extern bool	holdoff_specified; /* true if user gave a holdoff value */
+extern bool	notty;		/* Stdin/out is not a tty */
+extern char	*pty_socket;	/* Socket to connect to pty */
+extern char	*record_file;	/* File to record chars sent/received */
+extern bool	sync_serial;	/* Device is synchronous serial device */
+extern int	maxfail;	/* Max # of unsuccessful connection attempts */
+extern char	linkname[MAXPATHLEN]; /* logical name for link */
+extern bool	tune_kernel;	/* May alter kernel settings as necessary */
+extern int	connect_delay;	/* Time to delay after connect script */
+extern int	max_data_rate;	/* max bytes/sec through charshunt */
+extern int	req_unit;	/* interface unit number to use */
+extern bool	multilink;	/* enable multilink operation */
+extern bool	noendpoint;	/* don't send or accept endpt. discrim. */
+extern char	*bundle_name;	/* bundle name for multilink */
+extern bool	dump_options;	/* print out option values */
+extern bool	dryrun;		/* check everything, print options, exit */
+extern int	child_wait;	/* # seconds to wait for children at end */
+
+#ifdef MAXOCTETS
+extern unsigned int maxoctets;	     /* Maximum octetes per session (in bytes) */
+extern int       maxoctets_dir;      /* Direction :
+				      0 - in+out (default)
+				      1 - in 
+				      2 - out
+				      3 - max(in,out) */
+extern int       maxoctets_timeout;  /* Timeout for check of octets limit */
+#define PPP_OCTETS_DIRECTION_SUM        0
+#define PPP_OCTETS_DIRECTION_IN         1
+#define PPP_OCTETS_DIRECTION_OUT        2
+#define PPP_OCTETS_DIRECTION_MAXOVERAL  3
+/* same as previos, but little different on RADIUS side */
+#define PPP_OCTETS_DIRECTION_MAXSESSION 4	
+#endif
+
+#ifdef PPP_FILTER
+extern struct	bpf_program pass_filter;   /* Filter for pkts to pass */
+extern struct	bpf_program active_filter; /* Filter for link-active pkts */
+#endif
+
+#ifdef MSLANMAN
+extern bool	ms_lanman;	/* Use LanMan password instead of NT */
+				/* Has meaning only with MS-CHAP challenges */
+#endif
+
+/* Values for auth_pending, auth_done */
+#define PAP_WITHPEER	0x1
+#define PAP_PEER	0x2
+#define CHAP_WITHPEER	0x4
+#define CHAP_PEER	0x8
+#define EAP_WITHPEER	0x10
+#define EAP_PEER	0x20
+
+/* Values for auth_done only */
+#define CHAP_MD5_WITHPEER	0x40
+#define CHAP_MD5_PEER		0x80
+#define CHAP_MS_SHIFT		8	/* LSB position for MS auths */
+#define CHAP_MS_WITHPEER	0x100
+#define CHAP_MS_PEER		0x200
+#define CHAP_MS2_WITHPEER	0x400
+#define CHAP_MS2_PEER		0x800
+
+extern char *current_option;	/* the name of the option being parsed */
+extern int  privileged_option;	/* set iff the current option came from root */
+extern char *option_source;	/* string saying where the option came from */
+extern int  option_priority;	/* priority of current options */
+
+/*
+ * 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
+#define PHASE_MASTER		12
+
+/*
+ * 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((int, int, int));	/* 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 print_link_stats __P((void)); /* Print stats, if available */
+void reset_link_stats __P((int)); /* Reset (init) stats when link goes up */
+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));
+void remove_pidfiles __P((void));
+void lock_db __P((void));
+void unlock_db __P((void));
+
+/* 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 upper_layers_down __P((int));/* take all NCPs down */
+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 */
+#ifdef HAVE_MULTILINK
+void mp_check_options __P((void)); /* Check multilink-related options */
+int  mp_join_bundle __P((void));  /* join our link to an appropriate bundle */
+void mp_exit_bundle __P((void));  /* have disconnected our link from bundle */
+void mp_bundle_terminated __P((void));
+char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */
+int  str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */
+#else
+#define mp_bundle_terminated()	/* nothing */
+#define mp_exit_bundle()	/* nothing */
+#define doing_multilink		0
+#define multilink_master	0
+#endif
+
+/* 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 destroy_bundle __P((void)); /* Tell driver to destroy 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 *));
+
+extern int (*chap_check_hook) __P((void));
+extern int (*chap_passwd_hook) __P((char *user, char *passwd));
+
+/* Let a plugin snoop sent and received packets.  Useful for L2TP */
+extern void (*snoop_recv_hook) __P((unsigned char *p, int len));
+extern void (*snoop_send_hook) __P((unsigned char *p, int len));
+
+/*
+ * Inline versions of get/put char/short/long.
+ * Pointer is advanced; we assume that both arguments
+ * are lvalues and will already be in registers.
+ * cp MUST be u_char *.
+ */
+#define GETCHAR(c, cp) { \
+	(c) = *(cp)++; \
+}
+#define PUTCHAR(c, cp) { \
+	*(cp)++ = (u_char) (c); \
+}
+
+
+#define GETSHORT(s, cp) { \
+	(s) = *(cp)++ << 8; \
+	(s) |= *(cp)++; \
+}
+#define PUTSHORT(s, cp) { \
+	*(cp)++ = (u_char) ((s) >> 8); \
+	*(cp)++ = (u_char) (s); \
+}
+
+#define GETLONG(l, cp) { \
+	(l) = *(cp)++ << 8; \
+	(l) |= *(cp)++; (l) <<= 8; \
+	(l) |= *(cp)++; (l) <<= 8; \
+	(l) |= *(cp)++; \
+}
+#define PUTLONG(l, cp) { \
+	*(cp)++ = (u_char) ((l) >> 24); \
+	*(cp)++ = (u_char) ((l) >> 16); \
+	*(cp)++ = (u_char) ((l) >> 8); \
+	*(cp)++ = (u_char) (l); \
+}
+
+#define INCPTR(n, cp)	((cp) += (n))
+#define DECPTR(n, cp)	((cp) -= (n))
+
+/*
+ * System dependent definitions for user-level 4.3BSD UNIX implementation.
+ */
+
+#define TIMEOUT(r, f, t)	timeout((r), (f), (t), 0)
+#define UNTIMEOUT(r, f)		untimeout((r), (f))
+
+#define BCOPY(s, d, l)		memcpy(d, s, l)
+#define BZERO(s, n)		memset(s, 0, n)
+#define	BCMP(s1, s2, l)		memcmp(s1, s2, l)
+
+#define PRINTMSG(m, l)		{ info("Remote message: %0.*v", l, m); }
+
+/*
+ * MAKEHEADER - Add Header fields to a packet.
+ */
+#define MAKEHEADER(p, t) { \
+    PUTCHAR(PPP_ALLSTATIONS, p); \
+    PUTCHAR(PPP_UI, p); \
+    PUTSHORT(t, p); }
+
+/*
+ * 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__ */