1 files changed, 0 insertions, 397 deletions
diff --git a/mdk-stage1/ppp/pppd/multilink.c b/mdk-stage1/ppp/pppd/multilink.c
deleted file mode 100644
index c30b07e0a..000000000
--- a/mdk-stage1/ppp/pppd/multilink.c
+++ /dev/null
@@ -1,397 +0,0 @@
-/*
- * multilink.c - support routines for multilink.
- *
- * Copyright (c) 2000 Paul Mackerras.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms.  The name of the author may not be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-#include <netdb.h>
-#include <errno.h>
-#include <signal.h>
-#include <netinet/in.h>
-
-#include "pppd.h"
-#include "fsm.h"
-#include "lcp.h"
-#include "tdb.h"
-
-bool endpoint_specified;	/* user gave explicit endpoint discriminator */
-char *bundle_id;		/* identifier for our bundle */
-
-extern TDB_CONTEXT *pppdb;
-extern char db_key[];
-
-static int get_default_epdisc __P((struct epdisc *));
-static int parse_num __P((char *str, const char *key, int *valp));
-static int owns_unit __P((TDB_DATA pid, int unit));
-
-#define set_ip_epdisc(ep, addr) do {	\
-	ep->length = 4;			\
-	ep->value[0] = addr >> 24;	\
-	ep->value[1] = addr >> 16;	\
-	ep->value[2] = addr >> 8;	\
-	ep->value[3] = addr;		\
-} while (0)
-
-#define LOCAL_IP_ADDR(addr)						  \
-	(((addr) & 0xff000000) == 0x0a000000		/* 10.x.x.x */	  \
-	 || ((addr) & 0xfff00000) == 0xac100000		/* 172.16.x.x */  \
-	 || ((addr) & 0xffff0000) == 0xc0a80000)	/* 192.168.x.x */
-
-#define process_exists(n)	(kill((n), 0) == 0 || errno != ESRCH)
-
-void
-mp_check_options()
-{
-	lcp_options *wo = &lcp_wantoptions[0];
-	lcp_options *ao = &lcp_allowoptions[0];
-
-	if (!multilink)
-		return;
-	/* if we're doing multilink, we have to negotiate MRRU */
-	if (!wo->neg_mrru) {
-		/* mrru not specified, default to mru */
-		wo->mrru = wo->mru;
-		wo->neg_mrru = 1;
-	}
-	ao->mrru = ao->mru;
-	ao->neg_mrru = 1;
-
-	if (!wo->neg_endpoint && !noendpoint) {
-		/* get a default endpoint value */
-		wo->neg_endpoint = get_default_epdisc(&wo->endpoint);
-	}
-}
-
-/*
- * Make a new bundle or join us to an existing bundle
- * if we are doing multilink.
- */
-int
-mp_join_bundle()
-{
-	lcp_options *go = &lcp_gotoptions[0];
-	lcp_options *ho = &lcp_hisoptions[0];
-	lcp_options *ao = &lcp_allowoptions[0];
-	int unit, pppd_pid;
-	int l, mtu;
-	char *p;
-	TDB_DATA key, pid, rec;
-
-	if (!go->neg_mrru || !ho->neg_mrru) {
-		/* not doing multilink */
-		if (go->neg_mrru)
-			notice("oops, multilink negotiated only for receive");
-		mtu = ho->neg_mru? ho->mru: PPP_MRU;
-		if (mtu > ao->mru)
-			mtu = ao->mru;
-		if (demand) {
-			/* already have a bundle */
-			cfg_bundle(0, 0, 0, 0);
-			netif_set_mtu(0, mtu);
-			return 0;
-		}
-		make_new_bundle(0, 0, 0, 0);
-		set_ifunit(1);
-		netif_set_mtu(0, mtu);
-		return 0;
-	}
-
-	/*
-	 * Find the appropriate bundle or join a new one.
-	 * First we make up a name for the bundle.
-	 * The length estimate is worst-case assuming every
-	 * character has to be quoted.
-	 */
-	l = 4 * strlen(peer_authname) + 10;
-	if (ho->neg_endpoint)
-		l += 3 * ho->endpoint.length + 8;
-	if (bundle_name)
-		l += 3 * strlen(bundle_name) + 2;
-	bundle_id = malloc(l);
-	if (bundle_id == 0)
-		novm("bundle identifier");
-
-	p = bundle_id;
-	p += slprintf(p, l-1, "BUNDLE=\"%q\"", peer_authname);
-	if (ho->neg_endpoint || bundle_name)
-		*p++ = '/';
-	if (ho->neg_endpoint)
-		p += slprintf(p, bundle_id+l-p, "%s",
-			      epdisc_to_str(&ho->endpoint));
-	if (bundle_name)
-		p += slprintf(p, bundle_id+l-p, "/%v", bundle_name);
-
-	/*
-	 * For demand mode, we only need to configure the bundle
-	 * and attach the link.
-	 */
-	mtu = MIN(ho->mrru, ao->mru);
-	if (demand) {
-		cfg_bundle(go->mrru, ho->mrru, go->neg_ssnhf, ho->neg_ssnhf);
-		netif_set_mtu(0, mtu);
-		script_setenv("BUNDLE", bundle_id + 7, 1);
-		return 0;
-	}
-
-	/*
-	 * Check if the bundle ID is already in the database.
-	 */
-	unit = -1;
-	tdb_writelock(pppdb);
-	key.dptr = bundle_id;
-	key.dsize = p - bundle_id;
-	pid = tdb_fetch(pppdb, key);
-	if (pid.dptr != NULL) {
-		/* bundle ID exists, see if the pppd record exists */
-		rec = tdb_fetch(pppdb, pid);
-		if (rec.dptr != NULL) {
-			/* it is, parse the interface number */
-			parse_num(rec.dptr, "IFNAME=ppp", &unit);
-			/* check the pid value */
-			if (!parse_num(rec.dptr, "PPPD_PID=", &pppd_pid)
-			    || !process_exists(pppd_pid)
-			    || !owns_unit(pid, unit))
-				unit = -1;
-			free(rec.dptr);
-		}
-		free(pid.dptr);
-	}
-
-	if (unit >= 0) {
-		/* attach to existing unit */
-		if (bundle_attach(unit)) {
-			set_ifunit(0);
-			script_setenv("BUNDLE", bundle_id + 7, 0);
-			tdb_writeunlock(pppdb);
-			info("Link attached to %s", ifname);
-			return 1;
-		}
-		/* attach failed because bundle doesn't exist */
-	}
-
-	/* we have to make a new bundle */
-	make_new_bundle(go->mrru, ho->mrru, go->neg_ssnhf, ho->neg_ssnhf);
-	set_ifunit(1);
-	netif_set_mtu(0, mtu);
-	script_setenv("BUNDLE", bundle_id + 7, 1);
-	tdb_writeunlock(pppdb);
-	info("New bundle %s created", ifname);
-	return 0;
-}
-
-static int
-parse_num(str, key, valp)
-     char *str;
-     const char *key;
-     int *valp;
-{
-	char *p, *endp;
-	int i;
-
-	p = strstr(str, key);
-	if (p != 0) {
-		p += strlen(key);
-		i = strtol(p, &endp, 10);
-		if (endp != p && (*endp == 0 || *endp == ';')) {
-			*valp = i;
-			return 1;
-		}
-	}
-	return 0;
-}
-
-/*
- * Check whether the pppd identified by `key' still owns ppp unit `unit'.
- */
-static int
-owns_unit(key, unit)
-     TDB_DATA key;
-     int unit;
-{
-	char ifkey[32];
-	TDB_DATA kd, vd;
-	int ret = 0;
-
-	slprintf(ifkey, sizeof(ifkey), "IFNAME=ppp%d", unit);
-	kd.dptr = ifkey;
-	kd.dsize = strlen(ifkey);
-	vd = tdb_fetch(pppdb, kd);
-	if (vd.dptr != NULL) {
-		ret = vd.dsize == key.dsize
-			&& memcmp(vd.dptr, key.dptr, vd.dsize) == 0;
-		free(vd.dptr);
-	}
-	return ret;
-}
-
-static int
-get_default_epdisc(ep)
-     struct epdisc *ep;
-{
-	char *p;
-	struct hostent *hp;
-	u_int32_t addr;
-
-	/* First try for an ethernet MAC address */
-	p = get_first_ethernet();
-	if (p != 0 && get_if_hwaddr(ep->value, p) >= 0) {
-		ep->class = EPD_MAC;
-		ep->length = 6;
-		return 1;
-	}
-
-	/* see if our hostname corresponds to a reasonable IP address */
-	hp = gethostbyname(hostname);
-	if (hp != NULL) {
-		addr = *(u_int32_t *)hp->h_addr;
-		if (!bad_ip_adrs(addr)) {
-			addr = ntohl(addr);
-			if (!LOCAL_IP_ADDR(addr)) {
-				ep->class = EPD_IP;
-				set_ip_epdisc(ep, addr);
-				return 1;
-			}
-		}
-	}
-
-	return 0;
-}
-
-/*
- * epdisc_to_str - make a printable string from an endpoint discriminator.
- */
-
-static char *endp_class_names[] = {
-    "null", "local", "IP", "MAC", "magic", "phone"
-};
-
-char *
-epdisc_to_str(ep)
-     struct epdisc *ep;
-{
-	static char str[MAX_ENDP_LEN*3+8];
-	u_char *p = ep->value;
-	int i, mask = 0;
-	char *q, c, c2;
-
-	if (ep->class == EPD_NULL && ep->length == 0)
-		return "null";
-	if (ep->class == EPD_IP && ep->length == 4) {
-		u_int32_t addr;
-
-		GETLONG(addr, p);
-		slprintf(str, sizeof(str), "IP:%I", htonl(addr));
-		return str;
-	}
-
-	c = ':';
-	c2 = '.';
-	if (ep->class == EPD_MAC && ep->length == 6)
-		c2 = ':';
-	else if (ep->class == EPD_MAGIC && (ep->length % 4) == 0)
-		mask = 3;
-	q = str;
-	if (ep->class <= EPD_PHONENUM)
-		q += slprintf(q, sizeof(str)-1, "%s",
-			      endp_class_names[ep->class]);
-	else
-		q += slprintf(q, sizeof(str)-1, "%d", ep->class);
-	c = ':';
-	for (i = 0; i < ep->length && i < MAX_ENDP_LEN; ++i) {
-		if ((i & mask) == 0) {
-			*q++ = c;
-			c = c2;
-		}
-		q += slprintf(q, str + sizeof(str) - q, "%.2x", ep->value[i]);
-	}
-	return str;
-}
-
-static int hexc_val(int c)
-{
-	if (c >= 'a')
-		return c - 'a' + 10;
-	if (c >= 'A')
-		return c - 'A' + 10;
-	return c - '0';
-}
-
-int
-str_to_epdisc(ep, str)
-     struct epdisc *ep;
-     char *str;
-{
-	int i, l;
-	char *p, *endp;
-
-	for (i = EPD_NULL; i <= EPD_PHONENUM; ++i) {
-		int sl = strlen(endp_class_names[i]);
-		if (strncasecmp(str, endp_class_names[i], sl) == 0) {
-			str += sl;
-			break;
-		}
-	}
-	if (i > EPD_PHONENUM) {
-		/* not a class name, try a decimal class number */
-		i = strtol(str, &endp, 10);
-		if (endp == str)
-			return 0;	/* can't parse class number */
-		str = endp;
-	}
-	ep->class = i;
-	if (*str == 0) {
-		ep->length = 0;
-		return 1;
-	}
-	if (*str != ':' && *str != '.')
-		return 0;
-	++str;
-
-	if (i == EPD_IP) {
-		u_int32_t addr;
-		i = parse_dotted_ip(str, &addr);
-		if (i == 0 || str[i] != 0)
-			return 0;
-		set_ip_epdisc(ep, addr);
-		return 1;
-	}
-	if (i == EPD_MAC && get_if_hwaddr(ep->value, str) >= 0) {
-		ep->length = 6;
-		return 1;
-	}
-
-	p = str;
-	for (l = 0; l < MAX_ENDP_LEN; ++l) {
-		if (*str == 0)
-			break;
-		if (p <= str)
-			for (p = str; isxdigit(*p); ++p)
-				;
-		i = p - str;
-		if (i == 0)
-			return 0;
-		ep->value[l] = hexc_val(*str++);
-		if ((i & 1) == 0)
-			ep->value[l] = (ep->value[l] << 4) + hexc_val(*str++);
-		if (*str == ':' || *str == '.')
-			++str;
-	}
-	if (*str != 0 || (ep->class == EPD_MAC && l != 6))
-		return 0;
-	ep->length = l;
-	return 1;
-}
-