X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Ffsm.c;h=7f63e9fcd37d5d7093752c575bfe0d554cf45e10;hp=5d2eca6880ad53af0544d978960b2cf88014cfd5;hb=3278b141bac31dce7c1e45136a3c85e07dee6815;hpb=41c8ffa6a890e3fa0f65ba266800d065d445c1ad

diff --git a/pppd/fsm.c b/pppd/fsm.c
index 5d2eca6..7f63e9f 100644
--- a/pppd/fsm.c
+++ b/pppd/fsm.c
@@ -18,7 +18,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: fsm.c,v 1.8 1994/11/10 01:52:05 paulus Exp $";
+static char rcsid[] = "$Id: fsm.c,v 1.12 1996/07/01 01:13:11 paulus Exp $";
 #endif
 
 /*
@@ -41,7 +41,7 @@ static void fsm_timeout __P((caddr_t));
 static void fsm_rconfreq __P((fsm *, int, u_char *, int));
 static void fsm_rconfack __P((fsm *, int, u_char *, int));
 static void fsm_rconfnakrej __P((fsm *, int, int, u_char *, int));
-static void fsm_rtermreq __P((fsm *, int));
+static void fsm_rtermreq __P((fsm *, int, u_char *, int));
 static void fsm_rtermack __P((fsm *));
 static void fsm_rcoderej __P((fsm *, u_char *, int));
 static void fsm_sconfreq __P((fsm *, int));
@@ -67,6 +67,7 @@ fsm_init(f)
     f->maxconfreqtransmits = DEFMAXCONFREQS;
     f->maxtermtransmits = DEFMAXTERMREQS;
     f->maxnakloops = DEFMAXNAKLOOPS;
+    f->term_reason_len = 0;
 }
 
 
@@ -190,9 +191,12 @@ fsm_open(f)
  * the CLOSED state.
  */
 void
-fsm_close(f)
+fsm_close(f, reason)
     fsm *f;
+    char *reason;
 {
+    f->term_reason = reason;
+    f->term_reason_len = (reason == NULL? 0: strlen(reason));
     switch( f->state ){
     case STARTING:
 	f->state = INITIAL;
@@ -215,7 +219,8 @@ fsm_close(f)
 
 	/* Init restart counter, send Terminate-Request */
 	f->retransmits = f->maxtermtransmits;
-	fsm_sdata(f, TERMREQ, f->reqid = ++f->id, NULL, 0);
+	fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
+		  (u_char *) f->term_reason, f->term_reason_len);
 	TIMEOUT(fsm_timeout, (caddr_t) f, f->timeouttime);
 	--f->retransmits;
 
@@ -246,7 +251,8 @@ fsm_timeout(arg)
 		(*f->callbacks->finished)(f);
 	} else {
 	    /* Send Terminate-Request */
-	    fsm_sdata(f, TERMREQ, f->reqid = ++f->id, NULL, 0);
+	    fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
+		      (u_char *) f->term_reason, f->term_reason_len);
 	    TIMEOUT(fsm_timeout, (caddr_t) f, f->timeouttime);
 	    --f->retransmits;
 	}
@@ -288,7 +294,7 @@ fsm_input(f, inpacket, l)
     u_char *inpacket;
     int l;
 {
-    u_char *inp, *outp;
+    u_char *inp;
     u_char code, id;
     int len;
 
@@ -341,7 +347,7 @@ fsm_input(f, inpacket, l)
 	break;
     
     case TERMREQ:
-	fsm_rtermreq(f, id);
+	fsm_rtermreq(f, id, inp, len);
 	break;
     
     case TERMACK:
@@ -371,7 +377,6 @@ fsm_rconfreq(f, id, inp, len)
     u_char *inp;
     int len;
 {
-    u_char *outp;
     int code, reject_if_disagree;
 
     FSMDEBUG((LOG_INFO, "fsm_rconfreq(%s): Rcvd id %d.", PROTO_NAME(f), id));
@@ -505,6 +510,7 @@ fsm_rconfnakrej(f, code, id, inp, len)
     int len;
 {
     int (*proc)();
+    int ret;
 
     FSMDEBUG((LOG_INFO, "fsm_rconfnakrej(%s): Rcvd id %d.",
 	      PROTO_NAME(f), id));
@@ -512,7 +518,7 @@ fsm_rconfnakrej(f, code, id, inp, len)
     if (id != f->reqid || f->seen_ack)	/* Expected id? */
 	return;				/* Nope, toss... */
     proc = (code == CONFNAK)? f->callbacks->nakci: f->callbacks->rejci;
-    if (!proc || !proc(f, inp, len)) {
+    if (!proc || !(ret = proc(f, inp, len))) {
 	/* Nak/reject is bad - ignore it */
 	FSMDEBUG((LOG_INFO, "%s: received bad %s (length %d)",
 		  PROTO_NAME(f), (code==CONFNAK? "Nak": "reject"), len));
@@ -530,7 +536,10 @@ fsm_rconfnakrej(f, code, id, inp, len)
     case ACKSENT:
 	/* They didn't agree to what we wanted - try another request */
 	UNTIMEOUT(fsm_timeout, (caddr_t) f);	/* Cancel timeout */
-	fsm_sconfreq(f, 0);		/* Send Configure-Request */
+	if (ret < 0)
+	    f->state = STOPPED;		/* kludge for stopping CCP */
+	else
+	    fsm_sconfreq(f, 0);		/* Send Configure-Request */
 	break;
 
     case ACKRCVD:
@@ -555,10 +564,14 @@ fsm_rconfnakrej(f, code, id, inp, len)
  * fsm_rtermreq - Receive Terminate-Req.
  */
 static void
-fsm_rtermreq(f, id)
+fsm_rtermreq(f, id, p, len)
     fsm *f;
     int id;
+    u_char *p;
+    int len;
 {
+    char str[80];
+
     FSMDEBUG((LOG_INFO, "fsm_rtermreq(%s): Rcvd id %d.",
 	      PROTO_NAME(f), id));
 
@@ -569,7 +582,11 @@ fsm_rtermreq(f, id)
 	break;
 
     case OPENED:
-	syslog(LOG_INFO, "%s terminated at peer's request", PROTO_NAME(f));
+	if (len > 0) {
+	    fmtmsg(str, sizeof(str), "%0.*v", len, p);
+	    syslog(LOG_INFO, "%s terminated by peer (%s)", PROTO_NAME(f), str);
+	} else
+	    syslog(LOG_INFO, "%s terminated by peer", PROTO_NAME(f));
 	if (f->callbacks->down)
 	    (*f->callbacks->down)(f);	/* Inform upper layers */
 	f->retransmits = 0;
@@ -682,7 +699,8 @@ fsm_protreject(f)
 
 	/* Init restart counter, send Terminate-Request */
 	f->retransmits = f->maxtermtransmits;
-	fsm_sdata(f, TERMREQ, f->reqid = ++f->id, NULL, 0);
+	fsm_sdata(f, TERMREQ, f->reqid = ++f->id,
+		  (u_char *) f->term_reason, f->term_reason_len);
 	TIMEOUT(fsm_timeout, (caddr_t) f, f->timeouttime);
 	--f->retransmits;
 
@@ -705,7 +723,7 @@ fsm_sconfreq(f, retransmit)
     int retransmit;
 {
     u_char *outp;
-    int outlen, cilen;
+    int cilen;
 
     if( f->state != REQSENT && f->state != ACKRCVD && f->state != ACKSENT ){
 	/* Not currently negotiating - reset options */