Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add the id check for TERM_ACK

This commit is contained in:
yamaguchi 2020-11-25 10:08:22 +00:00
parent 21f4535045
commit 73ef60f704
1 changed files with 14 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
sys/net/if_spppsubr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: if_spppsubr.c,v 1.206 2020/11/25 10:05:40 yamaguchi Exp $ */
/* $NetBSD: if_spppsubr.c,v 1.207 2020/11/25 10:08:22 yamaguchi Exp $ */
/*
* Synchronous PPP/Cisco link level subroutines.
@ -41,7 +41,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_spppsubr.c,v 1.206 2020/11/25 10:05:40 yamaguchi Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_spppsubr.c,v 1.207 2020/11/25 10:08:22 yamaguchi Exp $");
#if defined(_KERNEL_OPT)
#include "opt_inet.h"
@ -1717,6 +1717,18 @@ sppp_cp_input(const struct cp *cp, struct sppp *sp, struct mbuf *m)
sppp_wq_add(sp->wq_cp, &sp->scp[cp->protoidx].work_rtr);
break;
case TERM_ACK:
if (h->ident != sp->scp[cp->protoidx].confid &&
h->ident != sp->scp[cp->protoidx].seq) {
if (debug)
addlog("%s: %s id mismatch "
"0x%x != 0x%x and 0x%x != %0lx\n",
ifp->if_xname, cp->name,
h->ident, sp->scp[cp->protoidx].confid,
h->ident, sp->scp[cp->protoidx].seq);
if_statinc(ifp, if_ierrors);
break;
}
sppp_wq_add(sp->wq_cp, &sp->scp[cp->protoidx].work_rta);
break;
case CODE_REJ: