ipcp.c (8fa6ebe47d24a6621f1be15f3157e2e1a046596e) ipcp.c (3afe5ccb7512f2632ee714e310b46470f2e4d6fa)
1/*
2 * PPP IP Control Protocol (IPCP) Module
3 *
4 * Written by Toshiharu OHNO (tony-o@iij.ad.jp)
5 *
6 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
7 *
8 * Redistribution and use in source and binary forms are permitted
9 * provided that the above copyright notice and this paragraph are
10 * duplicated in all such forms and that any documentation,
11 * advertising materials, and other materials related to such
12 * distribution and use acknowledge that the software was developed
13 * by the Internet Initiative Japan, Inc. The name of the
14 * IIJ may not be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 *
1/*
2 * PPP IP Control Protocol (IPCP) Module
3 *
4 * Written by Toshiharu OHNO (tony-o@iij.ad.jp)
5 *
6 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd.
7 *
8 * Redistribution and use in source and binary forms are permitted
9 * provided that the above copyright notice and this paragraph are
10 * duplicated in all such forms and that any documentation,
11 * advertising materials, and other materials related to such
12 * distribution and use acknowledge that the software was developed
13 * by the Internet Initiative Japan, Inc. The name of the
14 * IIJ may not be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19 *
20 * $Id: ipcp.c,v 1.66 1998/09/17 00:45:26 brian Exp $
20 * $Id: ipcp.c,v 1.67 1998/10/22 02:32:49 brian Exp $
21 *
22 * TODO:
23 * o More RFC1772 backward compatibility
24 */
25#include <sys/param.h>
26#include <netinet/in_systm.h>
27#include <netinet/in.h>
28#include <netinet/ip.h>
29#include <arpa/inet.h>
30#include <sys/socket.h>
21 *
22 * TODO:
23 * o More RFC1772 backward compatibility
24 */
25#include <sys/param.h>
26#include <netinet/in_systm.h>
27#include <netinet/in.h>
28#include <netinet/ip.h>
29#include <arpa/inet.h>
30#include <sys/socket.h>
31#include <net/route.h>
31#include <netdb.h>
32#include <net/if.h>
33#include <sys/sockio.h>
34#include <sys/un.h>
32#include <netdb.h>
33#include <net/if.h>
34#include <sys/sockio.h>
35#include <sys/un.h>
36#include <arpa/nameser.h>
35
36#include <fcntl.h>
37#include <resolv.h>
38#include <stdlib.h>
39#include <string.h>
40#include <sys/errno.h>
41#include <termios.h>
42#include <unistd.h>

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452 ipcp->my_compproto = 0;
453 sl_compress_init(&ipcp->vj.cslc, ipcp->cfg.vj.slots - 1);
454
455 ipcp->peer_reject = 0;
456 ipcp->my_reject = 0;
457}
458
459static int
37
38#include <fcntl.h>
39#include <resolv.h>
40#include <stdlib.h>
41#include <string.h>
42#include <sys/errno.h>
43#include <termios.h>
44#include <unistd.h>

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454 ipcp->my_compproto = 0;
455 sl_compress_init(&ipcp->vj.cslc, ipcp->cfg.vj.slots - 1);
456
457 ipcp->peer_reject = 0;
458 ipcp->my_reject = 0;
459}
460
461static int
462ipcp_doproxyall(struct bundle *bundle,
463 int (*proxyfun)(struct bundle *, struct in_addr, int), int s)
464{
465 int n, ret;
466 struct sticky_route *rp;
467 struct in_addr addr;
468 struct ipcp *ipcp;
469
470 ipcp = &bundle->ncp.ipcp;
471 for (rp = ipcp->route; rp != NULL; rp = rp->next) {
472 if (ntohl(rp->mask.s_addr) == INADDR_BROADCAST)
473 continue;
474 n = INADDR_BROADCAST - ntohl(rp->mask.s_addr) - 1;
475 if (n > 0 && n <= 254 && rp->dst.s_addr != INADDR_ANY) {
476 addr = rp->dst;
477 while (n--) {
478 addr.s_addr = htonl(ntohl(addr.s_addr) + 1);
479 log_Printf(LogDEBUG, "ipcp_doproxyall: %s\n", inet_ntoa(addr));
480 ret = (*proxyfun)(bundle, addr, s);
481 if (!ret)
482 return ret;
483 }
484 }
485 }
486
487 return 0;
488}
489
490static int
460ipcp_SetIPaddress(struct bundle *bundle, struct in_addr myaddr,
461 struct in_addr hisaddr, int silent)
462{
491ipcp_SetIPaddress(struct bundle *bundle, struct in_addr myaddr,
492 struct in_addr hisaddr, int silent)
493{
494 static struct in_addr none = { INADDR_ANY };
463 struct in_addr mask, oaddr;
464 u_int32_t addr;
465
466 addr = htonl(myaddr.s_addr);
467 if (IN_CLASSA(addr))
468 mask.s_addr = htonl(IN_CLASSA_NET);
469 else if (IN_CLASSB(addr))
470 mask.s_addr = htonl(IN_CLASSB_NET);

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481 IFACE_ADD_FIRST|IFACE_FORCE_ADD))
482 return -1;
483
484 if (!Enabled(bundle, OPT_IFACEALIAS) && bundle->iface->in_addrs > 1
485 && myaddr.s_addr != oaddr.s_addr)
486 /* Nuke the old one */
487 iface_inDelete(bundle->iface, oaddr);
488
495 struct in_addr mask, oaddr;
496 u_int32_t addr;
497
498 addr = htonl(myaddr.s_addr);
499 if (IN_CLASSA(addr))
500 mask.s_addr = htonl(IN_CLASSA_NET);
501 else if (IN_CLASSB(addr))
502 mask.s_addr = htonl(IN_CLASSB_NET);

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513 IFACE_ADD_FIRST|IFACE_FORCE_ADD))
514 return -1;
515
516 if (!Enabled(bundle, OPT_IFACEALIAS) && bundle->iface->in_addrs > 1
517 && myaddr.s_addr != oaddr.s_addr)
518 /* Nuke the old one */
519 iface_inDelete(bundle->iface, oaddr);
520
521 if (bundle->ncp.ipcp.cfg.sendpipe > 0 || bundle->ncp.ipcp.cfg.recvpipe > 0)
522 bundle_SetRoute(bundle, RTM_CHANGE, hisaddr, myaddr, none, 0, 0);
523
489 if (Enabled(bundle, OPT_SROUTES))
490 route_Change(bundle, bundle->ncp.ipcp.route, myaddr, hisaddr);
491
524 if (Enabled(bundle, OPT_SROUTES))
525 route_Change(bundle, bundle->ncp.ipcp.route, myaddr, hisaddr);
526
492 if (Enabled(bundle, OPT_PROXY)) {
527 if (Enabled(bundle, OPT_PROXY) || Enabled(bundle, OPT_PROXYALL)) {
493 int s = ID0socket(AF_INET, SOCK_DGRAM, 0);
494 if (s < 0)
495 log_Printf(LogERROR, "ipcp_SetIPaddress: socket(): %s\n",
496 strerror(errno));
497 else {
528 int s = ID0socket(AF_INET, SOCK_DGRAM, 0);
529 if (s < 0)
530 log_Printf(LogERROR, "ipcp_SetIPaddress: socket(): %s\n",
531 strerror(errno));
532 else {
498 arp_SetProxy(bundle, hisaddr, s);
533 if (Enabled(bundle, OPT_PROXYALL))
534 ipcp_doproxyall(bundle, arp_SetProxy, s);
535 else if (Enabled(bundle, OPT_PROXY))
536 arp_SetProxy(bundle, hisaddr, s);
499 close(s);
500 }
501 }
502
503 return 0;
504}
505
506static struct in_addr

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618
619void
620ipcp_CleanInterface(struct ipcp *ipcp)
621{
622 struct iface *iface = ipcp->fsm.bundle->iface;
623
624 route_Clean(ipcp->fsm.bundle, ipcp->route);
625
537 close(s);
538 }
539 }
540
541 return 0;
542}
543
544static struct in_addr

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656
657void
658ipcp_CleanInterface(struct ipcp *ipcp)
659{
660 struct iface *iface = ipcp->fsm.bundle->iface;
661
662 route_Clean(ipcp->fsm.bundle, ipcp->route);
663
626 if (iface->in_addrs && Enabled(ipcp->fsm.bundle, OPT_PROXY)) {
664 if (iface->in_addrs && (Enabled(ipcp->fsm.bundle, OPT_PROXY) ||
665 Enabled(ipcp->fsm.bundle, OPT_PROXYALL))) {
627 int s = ID0socket(AF_INET, SOCK_DGRAM, 0);
628 if (s < 0)
629 log_Printf(LogERROR, "ipcp_CleanInterface: socket: %s\n",
630 strerror(errno));
631 else {
666 int s = ID0socket(AF_INET, SOCK_DGRAM, 0);
667 if (s < 0)
668 log_Printf(LogERROR, "ipcp_CleanInterface: socket: %s\n",
669 strerror(errno));
670 else {
632 arp_ClearProxy(ipcp->fsm.bundle, iface->in_addr[0].brd, s);
671 if (Enabled(ipcp->fsm.bundle, OPT_PROXYALL))
672 ipcp_doproxyall(ipcp->fsm.bundle, arp_ClearProxy, s);
673 else if (Enabled(ipcp->fsm.bundle, OPT_PROXY))
674 arp_ClearProxy(ipcp->fsm.bundle, iface->in_addr[0].brd, s);
633 close(s);
634 }
635 }
636
637 iface_inClear(ipcp->fsm.bundle->iface, IFACE_CLEAR_ALL);
638}
639
640static void

--- 471 unchanged lines hidden --- 		675 close(s);
676 }
677 }
678
679 iface_inClear(ipcp->fsm.bundle->iface, IFACE_CLEAR_ALL);
680}
681
682static void

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