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📄 ng_car.c(19.62 KB)
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📄 ng_deflate.h(2.85 KB)
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📄 ng_device.h(1.74 KB)
📄 ng_echo.c(3.52 KB)
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📄 ng_eiface.c(16.31 KB)
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📄 ng_etf.c(12.84 KB)
📄 ng_etf.h(3.05 KB)
📄 ng_ether.c(22.26 KB)
📄 ng_ether.h(3.22 KB)
📄 ng_ether_echo.c(4.17 KB)
📄 ng_ether_echo.h(2.32 KB)
📄 ng_frame_relay.c(13.21 KB)
📄 ng_frame_relay.h(2.51 KB)
📄 ng_gif.c(15.86 KB)
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📄 ng_gif_demux.c(10.83 KB)
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📄 ng_hole.c(5.85 KB)
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📄 ng_hub.c(4.33 KB)
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📄 ng_iface.c(19.58 KB)
📄 ng_iface.h(2.68 KB)
📄 ng_ip_input.c(4.97 KB)
📄 ng_ip_input.h(3.78 KB)
📄 ng_ipfw.c(8.29 KB)
📄 ng_ipfw.h(1.54 KB)
📄 ng_ksocket.c(33.9 KB)
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📄 ng_l2tp.c(40.16 KB)
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📄 ng_macfilter.c(24.45 KB)
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📄 ng_message.h(14.69 KB)
📄 ng_mppc.c(23.88 KB)
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📄 ng_nat.c(23.43 KB)
📄 ng_nat.h(6.87 KB)
📄 ng_one2many.c(15.88 KB)
📄 ng_one2many.h(4.56 KB)
📄 ng_parse.c(43.85 KB)
📄 ng_parse.h(18.49 KB)
📄 ng_patch.c(15.54 KB)
📄 ng_patch.h(3.64 KB)
📄 ng_pipe.c(26.97 KB)
📄 ng_pipe.h(5.56 KB)
📄 ng_ppp.c(72.27 KB)
📄 ng_ppp.h(9.77 KB)
📄 ng_pppoe.c(58.34 KB)
📄 ng_pppoe.h(9.64 KB)
📄 ng_pptpgre.c(36.05 KB)
📄 ng_pptpgre.h(6.04 KB)
📄 ng_pred1.c(18.02 KB)
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📄 ng_split.c(4.54 KB)
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📄 ng_sppp.c(9.39 KB)
📄 ng_sppp.h(1.03 KB)
📄 ng_tag.c(19.05 KB)
📄 ng_tag.h(4.55 KB)
📄 ng_tcpmss.c(10.63 KB)
📄 ng_tcpmss.h(2.73 KB)
📄 ng_tee.c(10.61 KB)
📄 ng_tee.h(3.51 KB)
📄 ng_tty.c(11.96 KB)
📄 ng_tty.h(2.49 KB)
📄 ng_vjc.c(15.66 KB)
📄 ng_vjc.h(3.5 KB)
📄 ng_vlan.c(17.61 KB)
📄 ng_vlan.h(3.47 KB)

Editing: ng_pppoe.h

/*
 * ng_pppoe.h
 */

/*-
 * Copyright (c) 1996-1999 Whistle Communications, Inc.
 * All rights reserved.
 * 
 * Subject to the following obligations and disclaimer of warranty, use and
 * redistribution of this software, in source or object code forms, with or
 * without modifications are expressly permitted by Whistle Communications;
 * provided, however, that:
 * 1. Any and all reproductions of the source or object code must include the
 *    copyright notice above and the following disclaimer of warranties; and
 * 2. No rights are granted, in any manner or form, to use Whistle
 *    Communications, Inc. trademarks, including the mark "WHISTLE
 *    COMMUNICATIONS" on advertising, endorsements, or otherwise except as
 *    such appears in the above copyright notice or in the software.
 * 
 * THIS SOFTWARE IS BEING PROVIDED BY WHISTLE COMMUNICATIONS "AS IS", AND
 * TO THE MAXIMUM EXTENT PERMITTED BY LAW, WHISTLE COMMUNICATIONS MAKES NO
 * REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, REGARDING THIS SOFTWARE,
 * INCLUDING WITHOUT LIMITATION, ANY AND ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
 * WHISTLE COMMUNICATIONS DOES NOT WARRANT, GUARANTEE, OR MAKE ANY
 * REPRESENTATIONS REGARDING THE USE OF, OR THE RESULTS OF THE USE OF THIS
 * SOFTWARE IN TERMS OF ITS CORRECTNESS, ACCURACY, RELIABILITY OR OTHERWISE.
 * IN NO EVENT SHALL WHISTLE COMMUNICATIONS BE LIABLE FOR ANY DAMAGES
 * RESULTING FROM OR ARISING OUT OF ANY USE OF THIS SOFTWARE, INCLUDING
 * WITHOUT LIMITATION, ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
 * PUNITIVE, OR CONSEQUENTIAL DAMAGES, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES, LOSS OF USE, DATA OR PROFITS, HOWEVER CAUSED AND UNDER 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 WHISTLE COMMUNICATIONS IS ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * Author: Julian Elischer <julian@freebsd.org>
 *
 * $FreeBSD$
 * $Whistle: ng_pppoe.h,v 1.7 1999/10/16 10:16:43 julian Exp $
 */

#ifndef _NETGRAPH_NG_PPPOE_H_
#define _NETGRAPH_NG_PPPOE_H_

/********************************************************************
 * Netgraph hook constants etc.
 ********************************************************************/
/* Node type name. This should be unique among all netgraph node types */
#define NG_PPPOE_NODE_TYPE	"pppoe"

#define NGM_PPPOE_COOKIE		1089893072
#define NGM_PPPOE_SETMAXP_COOKIE	1441624322
#define NGM_PPPOE_PADM_COOKIE		1488405822

#define	PPPOE_SERVICE_NAME_SIZE		64 /* for now */
#define	PPPOE_PADM_VALUE_SIZE		128 /* for now */

/* Hook names */
#define NG_PPPOE_HOOK_ETHERNET	"ethernet"
#define NG_PPPOE_HOOK_DEBUG	"debug"

/* Mode names */
#define	NG_PPPOE_STANDARD	"standard"
#define	NG_PPPOE_3COM		"3Com"
#define	NG_PPPOE_NONSTANDARD	NG_PPPOE_3COM
#define	NG_PPPOE_DLINK		"D-Link"

/**********************************************************************
 * Netgraph commands understood by this node type.
 * FAIL, SUCCESS, CLOSE and ACNAME are sent by the node rather than received.
 ********************************************************************/
enum cmd {
	NGM_PPPOE_SET_FLAG = 1,
	NGM_PPPOE_CONNECT  = 2,	/* Client, Try find this service */
	NGM_PPPOE_LISTEN   = 3,	/* Server, Await a request for this service */
	NGM_PPPOE_OFFER    = 4,	/* Server, hook X should respond (*) */
	NGM_PPPOE_SUCCESS  = 5,	/* State machine connected */
	NGM_PPPOE_FAIL     = 6,	/* State machine could not connect */
	NGM_PPPOE_CLOSE    = 7,	/* Session closed down */
	NGM_PPPOE_SERVICE  = 8,	/* additional Service to advertise (in PADO) */
	NGM_PPPOE_ACNAME   = 9,	/* AC_NAME for informational purposes */
	NGM_PPPOE_GET_STATUS = 10, /* data in/out */
	NGM_PPPOE_SESSIONID  = 11,  /* Session_ID for informational purposes */
	NGM_PPPOE_SETMODE  = 12, /* set to standard or compat modes */
	NGM_PPPOE_GETMODE  = 13, /* see current mode */
	NGM_PPPOE_SETENADDR = 14, /* set Ethernet address */
	NGM_PPPOE_SETMAXP   = 15, /* Set PPP-Max-Payload value */
	NGM_PPPOE_SEND_HURL = 16, /* Send PADM HURL message */
	NGM_PPPOE_HURL      = 17, /* HURL for informational purposes */
	NGM_PPPOE_SEND_MOTM = 18, /* Send PADM MOTM message */
	NGM_PPPOE_MOTM      = 19  /* MOTM for informational purposes */
};

/***********************
 * Structures passed in the various netgraph command messages.
 ***********************/
/* This structure is returned by the NGM_PPPOE_GET_STATUS command */
struct ngpppoestat {
	u_int   packets_in;	/* packets in from ethernet */
	u_int   packets_out;	/* packets out towards ethernet */
};

/* Keep this in sync with the above structure definition */
#define NG_PPPOESTAT_TYPE_INFO	{				\
	  { "packets_in",	&ng_parse_uint_type	},	\
	  { "packets_out",	&ng_parse_uint_type	},	\
	  { NULL }						\
}

/*
 * When this structure is accepted by the NGM_PPPOE_CONNECT command :
 * The data field is MANDATORY.
 * The session sends out a PADI request for the named service.
 *
 *
 * When this structure is accepted by the NGM_PPPOE_LISTEN command.
 * If no service is given this is assumed to accept ALL PADI requests.
 * This may at some time take a regexp expression, but not yet.
 * Matching PADI requests will be passed up the named hook.
 *
 *
 * When this structure is accepted by the NGM_PPPOE_OFFER command:
 * The AC-NAme field is set from that given and a PADI
 * packet is expected to arrive from the session control daemon, on the
 * named hook. The session will then issue the appropriate PADO
 * and begin negotiation.
 */
struct ngpppoe_init_data {
	char		hook[NG_HOOKSIZ];	/* hook to monitor on */
	u_int16_t	data_len;		/* Length of the service name */
	char		data[];			/* init data goes here */
};

/* Keep this in sync with the above structure definition */
#define NG_PPPOE_INIT_DATA_TYPE_INFO	{		\
	  { "hook",	&ng_parse_hookbuf_type	},	\
	  { "data",	&ng_parse_sizedstring_type },	\
	  { NULL }					\
}

/*
 * This structure is used by the asychronous success and failure messages.
 * (to report which hook has failed or connected). The message is sent
 * to whoever requested the connection. (close may use this too).
 */
struct ngpppoe_sts {
	char	hook[NG_HOOKSIZ];	/* hook associated with event session */
};

/* Keep this in sync with the above structure definition */
#define NG_PPPOE_STS_TYPE_INFO		{		\
	  { "hook",	&ng_parse_hookbuf_type	},	\
	  { NULL }					\
}

/*
 * This structure is used to send PPP-Max-Payload value from server to client.
 */
struct ngpppoe_maxp {
	char	hook[NG_HOOKSIZ];	/* hook associated with event session */
	uint16_t	data;
};

/*
 * This structure is used to send PADM messages from server to client.
 */
struct ngpppoe_padm {
	char	msg[PPPOE_PADM_VALUE_SIZE];
};

/********************************************************************
 * Constants and definitions specific to pppoe
 ********************************************************************/

#define PPPOE_TIMEOUT_LIMIT 64
#define PPPOE_OFFER_TIMEOUT 16
#define PPPOE_INITIAL_TIMEOUT 2

/* Codes to identify message types */
#define PADI_CODE	0x09
#define PADO_CODE	0x07
#define PADR_CODE	0x19
#define PADS_CODE	0x65
#define PADT_CODE	0xa7
#define PADM_CODE	0xd3

/* Tag identifiers */
#if BYTE_ORDER == BIG_ENDIAN
#define PTT_EOL		(0x0000)
#define PTT_SRV_NAME	(0x0101)
#define PTT_AC_NAME	(0x0102)
#define PTT_HOST_UNIQ	(0x0103)
#define PTT_AC_COOKIE	(0x0104)
#define PTT_VENDOR 	(0x0105)
#define PTT_RELAY_SID	(0x0110)
#define PTT_HURL	(0x0111)	/* PPPoE Extensions (CARREL) */
#define PTT_MOTM	(0x0112)	/* PPPoE Extensions (CARREL) */
#define	PTT_MAX_PAYL	(0x0120)	/* PPP-Max-Payload (RFC4638) */
#define PTT_SRV_ERR     (0x0201)
#define PTT_SYS_ERR  	(0x0202)
#define PTT_GEN_ERR  	(0x0203)

#define ETHERTYPE_PPPOE_DISC	0x8863	/* pppoe discovery packets     */
#define ETHERTYPE_PPPOE_SESS	0x8864	/* pppoe session packets       */
#define ETHERTYPE_PPPOE_3COM_DISC 0x3c12 /* pppoe discovery packets 3com? */
#define ETHERTYPE_PPPOE_3COM_SESS 0x3c13 /* pppoe session packets   3com? */
#else
#define PTT_EOL		(0x0000)
#define PTT_SRV_NAME	(0x0101)
#define PTT_AC_NAME	(0x0201)
#define PTT_HOST_UNIQ	(0x0301)
#define PTT_AC_COOKIE	(0x0401)
#define PTT_VENDOR 	(0x0501)
#define PTT_RELAY_SID	(0x1001)
#define PTT_HURL	(0x1101)	/* PPPoE Extensions (CARREL) */
#define PTT_MOTM	(0x1201)	/* PPPoE Extensions (CARREL) */
#define	PTT_MAX_PAYL	(0x2001)	/* PPP-Max-Payload (RFC4638) */
#define PTT_SRV_ERR     (0x0102)
#define PTT_SYS_ERR  	(0x0202)
#define PTT_GEN_ERR  	(0x0302)

#define ETHERTYPE_PPPOE_DISC	0x6388	/* pppoe discovery packets     */
#define ETHERTYPE_PPPOE_SESS	0x6488	/* pppoe session packets       */
#define ETHERTYPE_PPPOE_3COM_DISC 0x123c /* pppoe discovery packets 3com? */
#define ETHERTYPE_PPPOE_3COM_SESS 0x133c /* pppoe session packets   3com? */
#endif

struct pppoe_tag {
	u_int16_t tag_type;
	u_int16_t tag_len;
}__packed;

struct pppoe_hdr{
	u_int8_t ver:4;
	u_int8_t type:4;
	u_int8_t code;
	u_int16_t sid;
	u_int16_t length;
}__packed;

struct pppoe_full_hdr {
	struct  ether_header eh;
	struct pppoe_hdr ph;
}__packed;

union	packet {
	struct pppoe_full_hdr	pkt_header;
	u_int8_t	bytes[2048];
};

struct datatag {
        struct pppoe_tag hdr;
	u_int8_t        data[PPPOE_SERVICE_NAME_SIZE];
};

struct maxptag {
	struct pppoe_tag hdr;
	uint16_t	data;
};

/*
 * Define the order in which we will place tags in packets
 * this may be ignored
 */
/* for PADI */
#define TAGI_SVC 0
#define TAGI_HUNIQ 1
/* for PADO */
#define TAGO_ACNAME 0
#define TAGO_SVC 1
#define TAGO_COOKIE 2
#define TAGO_HUNIQ 3
/* for PADR */
#define TAGR_SVC 0
#define TAGR_HUNIQ 1
#define TAGR_COOKIE 2
/* for PADS */
#define TAGS_ACNAME 0
#define TAGS_SVC 1
#define TAGS_COOKIE 2
#define TAGS_HUNIQ 3
/* for PADT */

#endif /* _NETGRAPH_NG_PPPOE_H_ */

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Editing: ng_pppoe.h

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