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ppp_impl.h is back!

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This commit is contained in:
Sylvain Rochet 2012-06-03 20:25:32 +02:00
parent 0663421d01
commit 3bad9ff50a
21 changed files with 776 additions and 709 deletions
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2
src/netif/ppp/auth.c
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@ -103,7 +103,7 @@
#include <time.h>
#endif /* UNUSED */
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "lcp.h"

2
src/netif/ppp/ccp.c
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@ -34,7 +34,7 @@
#include <stdlib.h>
#include <string.h>
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "ccp.h"

2
src/netif/ppp/chap-md5.c
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@ -36,7 +36,7 @@
#include <string.h>
#endif /* UNUSED */
#include "ppp.h"
#include "ppp_impl.h"
#include "chap-new.h"
#include "chap-md5.h"

2
src/netif/ppp/chap-new.c
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@ -36,7 +36,7 @@
#include <string.h>
#endif /* UNUSED */
#include "ppp.h"
#include "ppp_impl.h"
#if 0 /* UNUSED */
#include "session.h"

2
src/netif/ppp/chap_ms.c
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@ -87,7 +87,7 @@
#include <unistd.h>
#endif /* UNUSED */
#include "ppp.h"
#include "ppp_impl.h"
#include "chap-new.h"
#include "chap_ms.h"

2
src/netif/ppp/demand.c
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@ -52,7 +52,7 @@
#include <pcap-bpf.h>
#endif
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "ipcp.h"

2
src/netif/ppp/eap.c
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@ -46,7 +46,7 @@
#include "lwip/opt.h"
#if PPP_SUPPORT && EAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#include "ppp.h"
#include "ppp_impl.h"
#include "polarssl/md5.h"
#include "eap.h"

2
src/netif/ppp/ecp.c
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@ -62,7 +62,7 @@
#include <string.h>
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "ecp.h"

2
src/netif/ppp/fsm.c
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@ -55,7 +55,7 @@
#include <sys/types.h>
#endif /* UNUSED */
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"

2
src/netif/ppp/ipcp.c
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@ -59,7 +59,7 @@
#include <arpa/inet.h>
#endif /* UNUSED */
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "ipcp.h"

2
src/netif/ppp/lcp.c
View File

@ -53,7 +53,7 @@
#include <stdlib.h>
#endif /* UNUSED */
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "lcp.h"

2
src/netif/ppp/magic.c
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@ -75,7 +75,7 @@
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#include "ppp.h"
#include "ppp_impl.h"
#include "polarssl/md5.h"
#include "magic.h"

2
src/netif/ppp/multilink.c
View File

@ -49,7 +49,7 @@
#include <netinet/in.h>
#include <unistd.h>
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "lcp.h"

2
src/netif/ppp/options.c
View File

@ -75,7 +75,7 @@
#endif
#endif /* PPP_FILTER */
#include "ppp.h"
#include "ppp_impl.h"
#if defined(ultrix) || defined(NeXT)
char *strdup __P((char *));

2
src/netif/ppp/ppp.c
View File

@ -91,7 +91,7 @@
#include "lwip/sio.h"
#include "lwip/ip.h" /* for ip_input() */
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "lcp.h"

741
src/netif/ppp/ppp.h
View File

@ -7,13 +7,13 @@
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
@ -34,390 +34,28 @@
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPPMY_H_
#define PPPMY_H_
#ifndef PPP_H
#define PPP_H
#include <stdio.h> /* formats */
#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
#ifndef __P
#ifdef __STDC__
#define __P(x) x
#else
#define __P(x) ()
#endif
#endif
#ifndef bool
typedef unsigned char bool;
#endif
#include "lwip/netif.h"
#include "lwip/def.h"
#include "lwip/timers.h"
#include "lwip/sio.h"
#include "lwip/stats.h"
#include "lwip/mem.h"
#include "lwip/netif.h"
#include "lwip/sys.h"
#include "lwip/timers.h"
#include "pppdebug.h"
#ifdef INET6
#include "eui64.h"
#ifndef __u_char_defined
/* Type definitions for BSD code. */
typedef unsigned long u_long;
typedef unsigned int u_int;
typedef unsigned short u_short;
typedef unsigned char u_char;
#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 */
/*
* The basic PPP frame.
*/
#define PPP_HDRLEN 4 /* octets for standard ppp header */
#define PPP_FCSLEN 2 /* octets for FCS */
#define PPP_ADDRESS(p) (((u_char *)(p))[0])
#define PPP_CONTROL(p) (((u_char *)(p))[1])
#define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3])
/*
* Significant octet values.
*/
#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
#define PPP_UI 0x03 /* Unnumbered Information */
#define PPP_FLAG 0x7e /* Flag Sequence */
#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
/*
* Protocol field values.
*/
#define PPP_IP 0x21 /* Internet Protocol */
#if 0 /* UNUSED */
#define PPP_AT 0x29 /* AppleTalk Protocol */
#define PPP_IPX 0x2b /* IPX protocol */
#endif /* UNUSED */
#if VJ_SUPPORT
#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
#endif /* VJ_SUPPORT */
#ifdef INET6
#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */
#endif /* INET6 */
#if CCP_SUPPORT
#define PPP_COMP 0xfd /* compressed packet */
#endif /* CCP_SUPPORT */
#define PPP_IPCP 0x8021 /* IP Control Protocol */
#if 0 /* UNUSED */
#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
#define PPP_IPXCP 0x802b /* IPX Control Protocol */
#endif /* UNUSED */
#ifdef INET6
#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */
#endif /* INET6 */
#if CCP_SUPPORT
#define PPP_CCP 0x80fd /* Compression Control Protocol */
#endif /* CCP_SUPPORT */
#if ECP_SUPPORT
#define PPP_ECP 0x8053 /* Encryption Control Protocol */
#endif /* ECP_SUPPORT */
#define PPP_LCP 0xc021 /* Link Control Protocol */
#if PAP_SUPPORT
#define PPP_PAP 0xc023 /* Password Authentication Protocol */
#endif /* PAP_SUPPORT */
#if LQR_SUPPORT
#define PPP_LQR 0xc025 /* Link Quality Report protocol */
#endif /* LQR_SUPPORT */
#if CHAP_SUPPORT
#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
#endif /* CHAP_SUPPORT */
#if CBCP_SUPPORT
#define PPP_CBCP 0xc029 /* Callback Control Protocol */
#endif /* CBCP_SUPPORT */
#if EAP_SUPPORT
#define PPP_EAP 0xc227 /* Extensible Authentication Protocol */
#endif /* EAP_SUPPORT */
/*
* Values for FCS calculations.
*/
#define PPP_INITFCS 0xffff /* Initial FCS value */
#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */
#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
/*
* A 32-bit unsigned integral type.
*/
#if !defined(__BIT_TYPES_DEFINED__) && !defined(_BITYPES) \
&& !defined(__FreeBSD__) && (NS_TARGET < 40)
#ifdef UINT32_T
typedef UINT32_T u_int32_t;
#else
typedef unsigned int u_int32_t;
typedef unsigned short u_int16_t;
#endif
#endif
/*
* Extended asyncmap - allows any character to be escaped.
*/
typedef u_char ext_accm[32];
/*
* What to do with network protocol (NP) packets.
*/
enum NPmode {
NPMODE_PASS, /* pass the packet through */
NPMODE_DROP, /* silently drop the packet */
NPMODE_ERROR, /* return an error */
NPMODE_QUEUE /* save it up for later. */
};
/*
* Statistics.
*/
#if PPP_STATS_SUPPORT
struct pppstat {
unsigned int ppp_ibytes; /* bytes received */
unsigned int ppp_ipackets; /* packets received */
unsigned int ppp_ierrors; /* receive errors */
unsigned int ppp_obytes; /* bytes sent */
unsigned int ppp_opackets; /* packets sent */
unsigned int ppp_oerrors; /* transmit errors */
};
#if VJ_SUPPORT
struct vjstat {
unsigned int vjs_packets; /* outbound packets */
unsigned int vjs_compressed; /* outbound compressed packets */
unsigned int vjs_searches; /* searches for connection state */
unsigned int vjs_misses; /* times couldn't find conn. state */
unsigned int vjs_uncompressedin; /* inbound uncompressed packets */
unsigned int vjs_compressedin; /* inbound compressed packets */
unsigned int vjs_errorin; /* inbound unknown type packets */
unsigned int vjs_tossed; /* inbound packets tossed because of error */
};
#endif /* VJ_SUPPORT */
struct ppp_stats {
struct pppstat p; /* basic PPP statistics */
#if VJ_SUPPORT
struct vjstat vj; /* VJ header compression statistics */
#endif /* VJ_SUPPORT */
};
#if CCP_SUPPORT
struct compstat {
unsigned int unc_bytes; /* total uncompressed bytes */
unsigned int unc_packets; /* total uncompressed packets */
unsigned int comp_bytes; /* compressed bytes */
unsigned int comp_packets; /* compressed packets */
unsigned int inc_bytes; /* incompressible bytes */
unsigned int inc_packets; /* incompressible packets */
unsigned int ratio; /* recent compression ratio << 8 */
};
struct ppp_comp_stats {
struct compstat c; /* packet compression statistics */
struct compstat d; /* packet decompression statistics */
};
#endif /* CCP_SUPPORT */
#endif /* PPP_STATS_SUPPORT */
/*
* The following structure records the time in seconds since
* the last NP packet was sent or received.
*/
/* FIXME: add idle time support and make it optional */
struct ppp_idle {
time_t xmit_idle; /* time since last NP packet sent */
time_t recv_idle; /* time since last NP packet received */
};
/* FIXME: make endpoint discriminator optional */
/* 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
/* FIXME: global variables per PPP session */
/*
* Global variables.
*/
/* FIXME: improve debug flag */
extern int debug; /* Debug flag */
/* FIXME: is our_name really necessary ? */
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 */
/* FIXME: make it a compile time option */
extern int idle_time_limit;/* Shut down link if idle for this long */
extern int phase; /* Current state of link - see values below */
extern int error_count; /* # of times error() has been called */
extern int unsuccess; /* # unsuccessful connection attempts */
extern int listen_time; /* time to listen first (ms) */
extern int status; /* exit status for pppd */
extern int need_holdoff; /* Need holdoff period after link terminates */
/* FIXME: remove ifunit */
extern int ifunit; /* Interface unit number */
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
/* FIXME: add more HAVE_MULTILINK */
extern bool multilink; /* enable multilink operation */
/* FIXME: it is really necessary ? */
extern int maxconnect; /* Maximum connect time (seconds) */
#ifdef HAVE_MULTILINK
extern bool doing_multilink;
extern bool multilink_master;
extern bool bundle_eof;
extern bool bundle_terminating;
#endif
#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
/*
* 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));
#if PRINTPKT_SUPPORT
/* Print a packet in readable form */
int (*printpkt) __P((u_char *pkt, int len,
void (*printer) __P((void *, char *, ...)),
void *arg));
#endif /* PRINTPKT_SUPPORT */
/* FIXME: data input is only used by CCP, which is not supported at this time,
* should we remove this entry and save some flash ?
*/
/* Process a received data packet */
void (*datainput) __P((int unit, u_char *pkt, int len));
bool enabled_flag; /* 0 iff protocol is disabled */
#if PRINTPKT_SUPPORT
char *name; /* Text name of protocol */
char *data_name; /* Text name of corresponding data protocol */
#endif /* PRINTPKT_SUPPORT */
#if PPP_OPTIONS
option_t *options; /* List of command-line options */
/* Check requested options, assign defaults */
void (*check_options) __P((void));
#endif /* PPP_OPTIONS */
#if DEMAND_SUPPORT
/* 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));
#endif /* DEMAND_SUPPORT */
};
/* Table of pointers to supported protocols */
extern struct protent *protocols[];
/* Values for auth_pending, auth_done */
#if PAP_SUPPORT
#define PAP_WITHPEER 0x1
#define PAP_PEER 0x2
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
#define CHAP_WITHPEER 0x4
#define CHAP_PEER 0x8
#endif /* CHAP_SUPPORT */
#if EAP_SUPPORT
#define EAP_WITHPEER 0x10
#define EAP_PEER 0x20
#endif /* EAP_SUPPORT */
/* Values for auth_done only */
#if CHAP_SUPPORT
#define CHAP_MD5_WITHPEER 0x40
#define CHAP_MD5_PEER 0x80
#if MSCHAP_SUPPORT
#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
#endif /* MSCHAP_SUPPORT */
#endif /* CHAP_SUPPORT */
/*
* 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
/*************************
*** PUBLIC DEFINITIONS ***
@ -454,58 +92,14 @@ struct ppp_addrs {
ip_addr_t our_ipaddr, his_ipaddr, netmask, dns1, dns2;
};
#if PPP_STATS_SUPPORT
/*
* PPP statistics structure
*/
struct pppd_stats {
unsigned int bytes_in;
unsigned int bytes_out;
unsigned int pkts_in;
unsigned int pkts_out;
};
#endif /* PPP_STATS_SUPPORT */
/* FIXME: use PPP option instead ? */
struct ppp_settings {
u_int disable_defaultip : 1; /* Don't use hostname for default IP addrs */
u_int auth_required : 1; /* Peer is required to authenticate */
u_int explicit_remote : 1; /* remote_name specified with remotename opt */
#if PAP_SUPPORT
u_int refuse_pap : 1; /* Don't wanna auth. ourselves with PAP */
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
u_int refuse_chap : 1; /* Don't wanna auth. ourselves with CHAP */
#endif /* CHAP_SUPPORT */
#if MSCHAP_SUPPORT
u_int refuse_mschap : 1; /* Don't wanna auth. ourselves with MS-CHAP */
u_int refuse_mschap_v2 : 1; /* Don't wanna auth. ourselves with MS-CHAPv2 */
#endif /* MSCHAP_SUPPORT */
#if EAP_SUPPORT
u_int refuse_eap : 1; /* Don't wanna auth. ourselves with EAP */
#endif /* EAP_SUPPORT */
u_int usehostname : 1; /* Use hostname for our_name */
u_int usepeerdns : 1; /* Ask peer for DNS adds */
u_short idle_time_limit; /* Shut down link if idle for this long */
int maxconnect; /* Maximum connect time (seconds) */
char user [MAXNAMELEN + 1]; /* Username for PAP */
char passwd [MAXSECRETLEN + 1]; /* Password for PAP, secret for CHAP */
char our_name [MAXNAMELEN + 1]; /* Our name for authentication purposes */
/* FIXME: re-enable that */
/* char remote_name[MAXNAMELEN + 1]; */ /* Peer's name for authentication */
};
struct ppp_settings ppp_settings;
/************************
*** PUBLIC FUNCTIONS ***
************************/
/* Initialize the PPP subsystem. */
int ppp_init(void);
/* Warning: Using PPPAUTHTYPE_ANY might have security consequences.
* RFC 1994 says:
*
@ -529,21 +123,19 @@ enum pppAuthType {
#if CHAP_SUPPORT
PPPAUTHTYPE_CHAP,
#endif /* CHAP_SUPPORT */
#if PAP_SUPPORT
PPPAUTHTYPE_PAP,
#endif /* PAP_SUPPORT */
PPPAUTHTYPE_ANY,
PPPAUTHTYPE_NONE
};
/* Initialize the PPP subsystem. */
int ppp_init(void);
void ppp_set_auth(enum pppAuthType authType, const char *user, const char *passwd);
/* Link status callback function prototype */
typedef void (*pppLinkStatusCB_fn)(void *ctx, int errCode, void *arg);
#if PPPOS_SUPPORT
/*
* Open a new PPP connection using the given serial I/O device.
* This initializes the PPP control block but does not
@ -556,30 +148,23 @@ typedef void (*pppLinkStatusCB_fn)(void *ctx, int errCode, void *arg);
* an error code (negative) on failure.
*/
int pppOverSerialOpen(sio_fd_t fd, pppLinkStatusCB_fn linkStatusCB, void *linkStatusCtx);
#if !PPP_INPROC_OWNTHREAD
/*
* PPP over Serial: this is the input function to be called for received data.
* If PPP_INPROC_OWNTHREAD==1, a separate input thread using the blocking
* sio_read() is used, so this is deactivated.
*/
void pppos_input(int pd, u_char* data, int len);
#endif /* !PPP_INPROC_OWNTHREAD */
#endif /* PPPOS_SUPPORT */
#if PPPOE_SUPPORT
/*
* Open a new PPP Over Ethernet (PPPOE) connection.
* Open a new PPP Over Ethernet (PPPoE) connection.
*/
int ppp_over_ethernet_open(struct netif *ethif, const char *service_name, const char *concentrator_name,
pppLinkStatusCB_fn linkStatusCB, void *linkStatusCtx);
#endif /* PPPOE_SUPPORT */
/* for source code compatibility */
#define pppOpen(fd,cb,ls) pppOverSerialOpen(fd,cb,ls)
/*
* Close a PPP connection and release the descriptor.
* Close a PPP connection and release the descriptor.
* Any outstanding packets in the queues are dropped.
* Return 0 on success, an error code on failure.
* Return 0 on success, an error code on failure.
*/
int pppClose(int pd);
@ -588,261 +173,37 @@ int pppClose(int pd);
*/
void pppSigHUP(int pd);
/*
* Get and set parameters for the given connection.
* Return 0 on success, an error code on failure.
*/
int pppIOCtl(int pd, int cmd, void *arg);
/*
* Return the Maximum Transmission Unit for the given PPP connection.
*/
/* FIXME: demystify MTU support */
u_short pppMTU(int pd);
#if PPPOS_SUPPORT && !PPP_INPROC_OWNTHREAD
/*
* PPP over Serial: this is the input function to be called for received data.
* If PPP_INPROC_OWNTHREAD==1, a seperate input thread using the blocking
* sio_read() is used, so this is deactivated.
*/
void pppos_input(int pd, u_char* data, int len);
#endif /* PPPOS_SUPPORT && !PPP_INPROC_OWNTHREAD */
#if LWIP_NETIF_STATUS_CALLBACK
/* Set an lwIP-style status-callback for the selected PPP device */
void ppp_set_netif_statuscallback(int pd, netif_status_callback_fn status_callback);
#endif /* LWIP_NETIF_STATUS_CALLBACK */
#if LWIP_NETIF_LINK_CALLBACK
/* Set an lwIP-style link-callback for the selected PPP device */
void ppp_set_netif_linkcallback(int pd, netif_status_callback_fn link_callback);
#endif /* LWIP_NETIF_LINK_CALLBACK */
/* ------------------------------------------------------ *
* --- EVERYTHING BELOW SHOULD BE CONSIDERED PRIVATE ---- *
* ------------------------------------------------------ */
/* PPP flow functions
*/
#if PPPOE_SUPPORT
void pppOverEthernetInitFailed(int pd);
/* function called by pppoe.c */
void ppp_input_over_ethernet(int pd, struct pbuf *pb);
#endif /* PPPOE_SUPPORT */
int pppIOCtl(int pd, int cmd, void *arg);
/* FIXME: demystify MTU support */
u_short pppMTU(int pd);
/* function called by all PPP subsystems to send packets */
int ppp_write(int pd, const u_char *s, int n);
/* functions called by auth.c link_terminated() */
void pppLinkDown(int pd);
void pppLinkTerminated(int pd);
/* merge a pbuf chain into one pbuf */
struct pbuf * ppp_singlebuf(struct pbuf *p);
/* Functions called by various PPP subsystems to configure
* the PPP interface or change the PPP phase.
*/
void new_phase(int p);
#if PPPOS_SUPPORT
void ppp_set_xaccm(int unit, ext_accm *accm);
#endif /* PPPOS_SUPPORT */
int ppp_send_config(int unit, int mtu, u_int32_t accm, int pcomp, int accomp);
int ppp_recv_config(int unit, int mru, u_int32_t accm, int pcomp, int accomp);
int sifaddr(int unit, u_int32_t our_adr, u_int32_t his_adr, u_int32_t net_mask);
int cifaddr(int unit, u_int32_t our_adr, u_int32_t his_adr);
int sifup(int u);
int sifdown (int u);
int sifnpmode(int u, int proto, enum NPmode mode);
void netif_set_mtu(int unit, int mtu);
int netif_get_mtu(int mtu);
int sifdefaultroute (int unit, u_int32_t ouraddr, u_int32_t gateway, bool replace);
int cifdefaultroute (int unit, u_int32_t ouraddr, u_int32_t gateway);
int sifproxyarp (int unit, u_int32_t his_adr);
int cifproxyarp (int unit, u_int32_t his_adr);
int sifvjcomp (int u, int vjcomp, int cidcomp, int maxcid);
int get_idle_time(int u, struct ppp_idle *ip);
int get_loop_output(void);
u_int32_t GetMask (u_int32_t addr);
/* Optional protocol names list, to make our messages a little more informative. */
#if PPP_PROTOCOLNAME
const char * protocol_name(int proto);
#endif /* PPP_PROTOCOLNAME */
/* Optional stats support, to get some statistics on the PPP interface */
#if PPP_STATS_SUPPORT
void print_link_stats(void); /* Print stats, if available */
void reset_link_stats(int u); /* Reset (init) stats when link goes up */
void update_link_stats(int u); /* Get stats at link termination */
#endif /* PPP_STATS_SUPPORT */
/*
* 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(f, a, t) do { sys_untimeout((f), (a)); sys_timeout((t)*1000, (f), (a)); } while(0)
#define TIMEOUTMS(f, a, t) do { sys_untimeout((f), (a)); sys_timeout((t), (f), (a)); } while(0)
#define UNTIMEOUT(f, a) sys_untimeout((f), (a))
#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
/* 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 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 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_reset __P((int)); /* check what secrets we have */
int get_secret __P((int, char *, char *, char *, int *, int));
/* get "secret" for chap */
/* Procedures exported from ipcp.c */
/* int parse_dotted_ip __P((char *, u_int32_t *)); */
/* Procedures exported from demand.c */
#if DEMAND_SUPPORT
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, u_int32_t)); /* 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? */
#endif /* DEMAND_SUPPORT */
/* 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 utils.c. */
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((const 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 */
#if PRINTPKT_SUPPORT
void dump_packet __P((const char *, u_char *, int));
/* dump packet to debug log if interesting */
#endif /* PRINTPKT_SUPPORT */
#endif /* PPPMY_H_ */
#endif /* PPP_H */
#endif /* PPP_SUPPORT */

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/*****************************************************************************
* ppp.h - Network Point to Point Protocol header file.
*
* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
* portions Copyright (c) 1997 Global Election Systems Inc.
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice and the following disclaimer are included verbatim in any
* distributions. No written agreement, license, or royalty fee is required
* for any of the authorized uses.
*
* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS *AS IS* AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
* REVISION HISTORY
*
* 03-01-01 Marc Boucher <marc@mbsi.ca>
* Ported to lwIP.
* 97-11-05 Guy Lancaster <glanca@gesn.com>, Global Election Systems Inc.
* Original derived from BSD codes.
*****************************************************************************/
#include "lwip/opt.h"
#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
#ifndef PPP_IMP_H_
#define PPP_IMP_H_
#include <stdio.h> /* formats */
#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
#ifndef __P
#ifdef __STDC__
#define __P(x) x
#else
#define __P(x) ()
#endif
#endif
#ifndef bool
typedef unsigned char bool;
#endif
#include "lwip/netif.h"
#include "lwip/def.h"
#include "lwip/timers.h"
#include "lwip/sio.h"
#include "ppp.h"
#include "pppdebug.h"
#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 */
/*
* The basic PPP frame.
*/
#define PPP_HDRLEN 4 /* octets for standard ppp header */
#define PPP_FCSLEN 2 /* octets for FCS */
#define PPP_ADDRESS(p) (((u_char *)(p))[0])
#define PPP_CONTROL(p) (((u_char *)(p))[1])
#define PPP_PROTOCOL(p) ((((u_char *)(p))[2] << 8) + ((u_char *)(p))[3])
/*
* Significant octet values.
*/
#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
#define PPP_UI 0x03 /* Unnumbered Information */
#define PPP_FLAG 0x7e /* Flag Sequence */
#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
/*
* Protocol field values.
*/
#define PPP_IP 0x21 /* Internet Protocol */
#if 0 /* UNUSED */
#define PPP_AT 0x29 /* AppleTalk Protocol */
#define PPP_IPX 0x2b /* IPX protocol */
#endif /* UNUSED */
#if VJ_SUPPORT
#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
#endif /* VJ_SUPPORT */
#ifdef INET6
#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */
#endif /* INET6 */
#if CCP_SUPPORT
#define PPP_COMP 0xfd /* compressed packet */
#endif /* CCP_SUPPORT */
#define PPP_IPCP 0x8021 /* IP Control Protocol */
#if 0 /* UNUSED */
#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
#define PPP_IPXCP 0x802b /* IPX Control Protocol */
#endif /* UNUSED */
#ifdef INET6
#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */
#endif /* INET6 */
#if CCP_SUPPORT
#define PPP_CCP 0x80fd /* Compression Control Protocol */
#endif /* CCP_SUPPORT */
#if ECP_SUPPORT
#define PPP_ECP 0x8053 /* Encryption Control Protocol */
#endif /* ECP_SUPPORT */
#define PPP_LCP 0xc021 /* Link Control Protocol */
#if PAP_SUPPORT
#define PPP_PAP 0xc023 /* Password Authentication Protocol */
#endif /* PAP_SUPPORT */
#if LQR_SUPPORT
#define PPP_LQR 0xc025 /* Link Quality Report protocol */
#endif /* LQR_SUPPORT */
#if CHAP_SUPPORT
#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
#endif /* CHAP_SUPPORT */
#if CBCP_SUPPORT
#define PPP_CBCP 0xc029 /* Callback Control Protocol */
#endif /* CBCP_SUPPORT */
#if EAP_SUPPORT
#define PPP_EAP 0xc227 /* Extensible Authentication Protocol */
#endif /* EAP_SUPPORT */
/*
* Values for FCS calculations.
*/
#define PPP_INITFCS 0xffff /* Initial FCS value */
#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */
#define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
/*
* A 32-bit unsigned integral type.
*/
#if !defined(__BIT_TYPES_DEFINED__) && !defined(_BITYPES) \
&& !defined(__FreeBSD__) && (NS_TARGET < 40)
#ifdef UINT32_T
typedef UINT32_T u_int32_t;
#else
typedef unsigned int u_int32_t;
typedef unsigned short u_int16_t;
#endif
#endif
/*
* Extended asyncmap - allows any character to be escaped.
*/
typedef u_char ext_accm[32];
/*
* What to do with network protocol (NP) packets.
*/
enum NPmode {
NPMODE_PASS, /* pass the packet through */
NPMODE_DROP, /* silently drop the packet */
NPMODE_ERROR, /* return an error */
NPMODE_QUEUE /* save it up for later. */
};
/*
* Statistics.
*/
#if PPP_STATS_SUPPORT
struct pppstat {
unsigned int ppp_ibytes; /* bytes received */
unsigned int ppp_ipackets; /* packets received */
unsigned int ppp_ierrors; /* receive errors */
unsigned int ppp_obytes; /* bytes sent */
unsigned int ppp_opackets; /* packets sent */
unsigned int ppp_oerrors; /* transmit errors */
};
#if VJ_SUPPORT
struct vjstat {
unsigned int vjs_packets; /* outbound packets */
unsigned int vjs_compressed; /* outbound compressed packets */
unsigned int vjs_searches; /* searches for connection state */
unsigned int vjs_misses; /* times couldn't find conn. state */
unsigned int vjs_uncompressedin; /* inbound uncompressed packets */
unsigned int vjs_compressedin; /* inbound compressed packets */
unsigned int vjs_errorin; /* inbound unknown type packets */
unsigned int vjs_tossed; /* inbound packets tossed because of error */
};
#endif /* VJ_SUPPORT */
struct ppp_stats {
struct pppstat p; /* basic PPP statistics */
#if VJ_SUPPORT
struct vjstat vj; /* VJ header compression statistics */
#endif /* VJ_SUPPORT */
};
#if CCP_SUPPORT
struct compstat {
unsigned int unc_bytes; /* total uncompressed bytes */
unsigned int unc_packets; /* total uncompressed packets */
unsigned int comp_bytes; /* compressed bytes */
unsigned int comp_packets; /* compressed packets */
unsigned int inc_bytes; /* incompressible bytes */
unsigned int inc_packets; /* incompressible packets */
unsigned int ratio; /* recent compression ratio << 8 */
};
struct ppp_comp_stats {
struct compstat c; /* packet compression statistics */
struct compstat d; /* packet decompression statistics */
};
#endif /* CCP_SUPPORT */
#endif /* PPP_STATS_SUPPORT */
/*
* The following structure records the time in seconds since
* the last NP packet was sent or received.
*/
/* FIXME: add idle time support and make it optional */
struct ppp_idle {
time_t xmit_idle; /* time since last NP packet sent */
time_t recv_idle; /* time since last NP packet received */
};
/* FIXME: make endpoint discriminator optional */
/* 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
/* FIXME: global variables per PPP session */
/*
* Global variables.
*/
/* FIXME: improve debug flag */
extern int debug; /* Debug flag */
/* FIXME: is our_name really necessary ? */
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 */
/* FIXME: make it a compile time option */
extern int idle_time_limit;/* Shut down link if idle for this long */
extern int phase; /* Current state of link - see values below */
extern int error_count; /* # of times error() has been called */
extern int unsuccess; /* # unsuccessful connection attempts */
extern int listen_time; /* time to listen first (ms) */
extern int status; /* exit status for pppd */
extern int need_holdoff; /* Need holdoff period after link terminates */
/* FIXME: remove ifunit */
extern int ifunit; /* Interface unit number */
extern u_char outpacket_buf[]; /* Buffer for outgoing packets */
/* FIXME: add more HAVE_MULTILINK */
extern bool multilink; /* enable multilink operation */
/* FIXME: it is really necessary ? */
extern int maxconnect; /* Maximum connect time (seconds) */
#ifdef HAVE_MULTILINK
extern bool doing_multilink;
extern bool multilink_master;
extern bool bundle_eof;
extern bool bundle_terminating;
#endif
#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
/*
* 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));
#if PRINTPKT_SUPPORT
/* Print a packet in readable form */
int (*printpkt) __P((u_char *pkt, int len,
void (*printer) __P((void *, char *, ...)),
void *arg));
#endif /* PRINTPKT_SUPPORT */
/* FIXME: data input is only used by CCP, which is not supported at this time,
* should we remove this entry and save some flash ?
*/
/* Process a received data packet */
void (*datainput) __P((int unit, u_char *pkt, int len));
bool enabled_flag; /* 0 iff protocol is disabled */
#if PRINTPKT_SUPPORT
char *name; /* Text name of protocol */
char *data_name; /* Text name of corresponding data protocol */
#endif /* PRINTPKT_SUPPORT */
#if PPP_OPTIONS
option_t *options; /* List of command-line options */
/* Check requested options, assign defaults */
void (*check_options) __P((void));
#endif /* PPP_OPTIONS */
#if DEMAND_SUPPORT
/* 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));
#endif /* DEMAND_SUPPORT */
};
/* Table of pointers to supported protocols */
extern struct protent *protocols[];
/* Values for auth_pending, auth_done */
#if PAP_SUPPORT
#define PAP_WITHPEER 0x1
#define PAP_PEER 0x2
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
#define CHAP_WITHPEER 0x4
#define CHAP_PEER 0x8
#endif /* CHAP_SUPPORT */
#if EAP_SUPPORT
#define EAP_WITHPEER 0x10
#define EAP_PEER 0x20
#endif /* EAP_SUPPORT */
/* Values for auth_done only */
#if CHAP_SUPPORT
#define CHAP_MD5_WITHPEER 0x40
#define CHAP_MD5_PEER 0x80
#if MSCHAP_SUPPORT
#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
#endif /* MSCHAP_SUPPORT */
#endif /* CHAP_SUPPORT */
/*
* 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
#if PPP_STATS_SUPPORT
/*
* PPP statistics structure
*/
struct pppd_stats {
unsigned int bytes_in;
unsigned int bytes_out;
unsigned int pkts_in;
unsigned int pkts_out;
};
#endif /* PPP_STATS_SUPPORT */
/* FIXME: fill the struct below with option.c global variables */
struct ppp_settings {
u_int disable_defaultip : 1; /* Don't use hostname for default IP addrs */
u_int auth_required : 1; /* Peer is required to authenticate */
u_int explicit_remote : 1; /* remote_name specified with remotename opt */
#if PAP_SUPPORT
u_int refuse_pap : 1; /* Don't wanna auth. ourselves with PAP */
#endif /* PAP_SUPPORT */
#if CHAP_SUPPORT
u_int refuse_chap : 1; /* Don't wanna auth. ourselves with CHAP */
#endif /* CHAP_SUPPORT */
#if MSCHAP_SUPPORT
u_int refuse_mschap : 1; /* Don't wanna auth. ourselves with MS-CHAP */
u_int refuse_mschap_v2 : 1; /* Don't wanna auth. ourselves with MS-CHAPv2 */
#endif /* MSCHAP_SUPPORT */
#if EAP_SUPPORT
u_int refuse_eap : 1; /* Don't wanna auth. ourselves with EAP */
#endif /* EAP_SUPPORT */
u_int usehostname : 1; /* Use hostname for our_name */
u_int usepeerdns : 1; /* Ask peer for DNS adds */
u_short idle_time_limit; /* Shut down link if idle for this long */
int maxconnect; /* Maximum connect time (seconds) */
char user [MAXNAMELEN + 1]; /* Username for PAP */
char passwd [MAXSECRETLEN + 1]; /* Password for PAP, secret for CHAP */
char our_name [MAXNAMELEN + 1]; /* Our name for authentication purposes */
/* FIXME: re-enable that */
/* char remote_name[MAXNAMELEN + 1]; */ /* Peer's name for authentication */
};
struct ppp_settings ppp_settings;
/* PPP flow functions
*/
#if PPPOE_SUPPORT
void pppOverEthernetInitFailed(int pd);
/* function called by pppoe.c */
void ppp_input_over_ethernet(int pd, struct pbuf *pb);
#endif /* PPPOE_SUPPORT */
/* function called by all PPP subsystems to send packets */
int ppp_write(int pd, const u_char *s, int n);
/* functions called by auth.c link_terminated() */
void pppLinkDown(int pd);
void pppLinkTerminated(int pd);
/* merge a pbuf chain into one pbuf */
struct pbuf * ppp_singlebuf(struct pbuf *p);
/* Functions called by various PPP subsystems to configure
* the PPP interface or change the PPP phase.
*/
void new_phase(int p);
#if PPPOS_SUPPORT
void ppp_set_xaccm(int unit, ext_accm *accm);
#endif /* PPPOS_SUPPORT */
int ppp_send_config(int unit, int mtu, u_int32_t accm, int pcomp, int accomp);
int ppp_recv_config(int unit, int mru, u_int32_t accm, int pcomp, int accomp);
int sifaddr(int unit, u_int32_t our_adr, u_int32_t his_adr, u_int32_t net_mask);
int cifaddr(int unit, u_int32_t our_adr, u_int32_t his_adr);
int sifup(int u);
int sifdown (int u);
int sifnpmode(int u, int proto, enum NPmode mode);
void netif_set_mtu(int unit, int mtu);
int netif_get_mtu(int mtu);
int sifdefaultroute (int unit, u_int32_t ouraddr, u_int32_t gateway, bool replace);
int cifdefaultroute (int unit, u_int32_t ouraddr, u_int32_t gateway);
int sifproxyarp (int unit, u_int32_t his_adr);
int cifproxyarp (int unit, u_int32_t his_adr);
int sifvjcomp (int u, int vjcomp, int cidcomp, int maxcid);
int get_idle_time(int u, struct ppp_idle *ip);
int get_loop_output(void);
u_int32_t GetMask (u_int32_t addr);
/* Optional protocol names list, to make our messages a little more informative. */
#if PPP_PROTOCOLNAME
const char * protocol_name(int proto);
#endif /* PPP_PROTOCOLNAME */
/* Optional stats support, to get some statistics on the PPP interface */
#if PPP_STATS_SUPPORT
void print_link_stats(void); /* Print stats, if available */
void reset_link_stats(int u); /* Reset (init) stats when link goes up */
void update_link_stats(int u); /* Get stats at link termination */
#endif /* PPP_STATS_SUPPORT */
/*
* 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(f, a, t) do { sys_untimeout((f), (a)); sys_timeout((t)*1000, (f), (a)); } while(0)
#define TIMEOUTMS(f, a, t) do { sys_untimeout((f), (a)); sys_timeout((t), (f), (a)); } while(0)
#define UNTIMEOUT(f, a) sys_untimeout((f), (a))
#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
/* 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 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 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_reset __P((int)); /* check what secrets we have */
int get_secret __P((int, char *, char *, char *, int *, int));
/* get "secret" for chap */
/* Procedures exported from ipcp.c */
/* int parse_dotted_ip __P((char *, u_int32_t *)); */
/* Procedures exported from demand.c */
#if DEMAND_SUPPORT
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, u_int32_t)); /* 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? */
#endif /* DEMAND_SUPPORT */
/* 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 utils.c. */
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((const 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 */
#if PRINTPKT_SUPPORT
void dump_packet __P((const char *, u_char *, int));
/* dump packet to debug log if interesting */
#endif /* PRINTPKT_SUPPORT */
#endif /* PPP_IMP_H_ */
#endif /* PPP_SUPPORT */

2
src/netif/ppp/ppp_oe.c
View File

@ -80,7 +80,7 @@
#include "lwip/memp.h"
#include "lwip/stats.h"
#include "ppp.h"
#include "ppp_impl.h"
#include "netif/ppp_oe.h"

2
src/netif/ppp/pppcrypt.c
View File

@ -33,7 +33,7 @@
#include "lwip/opt.h"
#if PPP_SUPPORT && MSCHAP_SUPPORT /* don't build if not necessary */
#include "ppp.h"
#include "ppp_impl.h"
#include "pppcrypt.h"

2
src/netif/ppp/upap.c
View File

@ -52,7 +52,7 @@
#include <string.h>
#endif /* UNUSED */
#include "ppp.h"
#include "ppp_impl.h"
#include "upap.h"

2
src/netif/ppp/utils.c
View File

@ -60,7 +60,7 @@
#include <ctype.h> /* isdigit() */
#include "ppp.h"
#include "ppp_impl.h"
#include "fsm.h"
#include "lcp.h"