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Implement the LCP fail_counter: if an option has been NAK'ed for more

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than max_failures attempts, we are going to REJ it, to prevent endless
NAK loops.

(This is actually part of a larger local set of modifications i'm
running with, but the remainder (PAP & CHAP) ain't ready for prime-
time yet.)
This commit is contained in:
Joerg Wunsch 1997-08-10 14:28:16 +00:00
parent edb398d7d9
commit 16e2a68bff
1 changed files with 13 additions and 4 deletions
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17
sys/net/if_spppsubr.c
View File

@ -17,7 +17,7 @@
*
* From: Version 1.9, Wed Oct 4 18:58:15 MSK 1995
*
* $Id: if_spppsubr.c,v 1.22 1997/05/23 20:40:15 joerg Exp $
* $Id: if_spppsubr.c,v 1.23 1997/08/06 01:43:09 itojun Exp $
*/
#include <sys/param.h>
@ -1810,13 +1810,22 @@ sppp_lcp_RCR(struct sppp *sp, struct lcp_header *h, int len)
rlen += p[1];
}
if (rlen) {
if (debug)
addlog(" send conf-nak\n");
sppp_cp_send (sp, PPP_LCP, CONF_NAK, h->ident, rlen, buf);
if (++sp->fail_counter[IDX_LCP] >= sp->lcp.max_failure) {
if (debug)
addlog(" max_failure (%d) exceeded, "
"send conf-rej\n",
sp->lcp.max_failure);
sppp_cp_send(sp, PPP_LCP, CONF_REJ, h->ident, rlen, buf);
} else {
if (debug)
addlog(" send conf-nak\n");
sppp_cp_send (sp, PPP_LCP, CONF_NAK, h->ident, rlen, buf);
}
return 0;
} else {
if (debug)
addlog(" send conf-ack\n");
sp->fail_counter[IDX_LCP] = 0;
sp->pp_loopcnt = 0;
sppp_cp_send (sp, PPP_LCP, CONF_ACK,
h->ident, origlen, h+1);