describe new options, don't describe obsolete ones

[ppp.git] / pppd / fsm.c

diff --git a/pppd/fsm.c b/pppd/fsm.c
index a11922a31df12448e8b3729614ca155c9b257f8a..14e4aafad222502aae007645fcb8e36016914920 100644 (file)
--- a/pppd/fsm.c
+++ b/pppd/fsm.c
@@ -18,7 +18,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: fsm.c,v 1.5 1994/09/21 06:47:37 paulus Exp $";
+static char rcsid[] = "$Id: fsm.c,v 1.11 1996/04/04 03:37:01 paulus Exp $";
 #endif
 
 /*
@@ -28,6 +28,7 @@ static char rcsid[] = "$Id: fsm.c,v 1.5 1994/09/21 06:47:37 paulus Exp $";
  */
 
 #include <stdio.h>
+#include <string.h>
 #include <sys/types.h>
 #include <syslog.h>
 
@@ -47,7 +48,7 @@ static void fsm_sconfreq __P((fsm *, int));
 
 #define PROTO_NAME(f)  ((f)->callbacks->proto_name)
 
-int peer_mru[N_PPP];
+int peer_mru[NUM_PPP];
 
 
 /*
@@ -66,6 +67,7 @@ fsm_init(f)
     f->maxconfreqtransmits = DEFMAXCONFREQS;
     f->maxtermtransmits = DEFMAXTERMREQS;
     f->maxnakloops = DEFMAXNAKLOOPS;
+    f->term_reason_len = 0;
 }
 
 
@@ -189,9 +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;
@@ -214,7 +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;
 
@@ -245,7 +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;
        }
@@ -287,7 +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;
 
@@ -370,7 +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));
@@ -469,6 +475,7 @@ fsm_rconfack(f, id, inp, len)
 
     case ACKRCVD:
        /* Huh? an extra valid Ack? oh well... */
+       UNTIMEOUT(fsm_timeout, (caddr_t) f);    /* Cancel timeout */
        fsm_sconfreq(f, 0);
        f->state = REQSENT;
        break;
@@ -503,6 +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));
@@ -510,7 +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));
@@ -528,11 +536,15 @@ 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:
        /* Got a Nak/reject when we had already had an Ack?? oh well... */
+       UNTIMEOUT(fsm_timeout, (caddr_t) f);    /* Cancel timeout */
        fsm_sconfreq(f, 0);
        f->state = REQSENT;
        break;
@@ -590,11 +602,13 @@ fsm_rtermack(f)
 
     switch (f->state) {
     case CLOSING:
+       UNTIMEOUT(fsm_timeout, (caddr_t) f);
        f->state = CLOSED;
        if( f->callbacks->finished )
            (*f->callbacks->finished)(f);
        break;
     case STOPPING:
+       UNTIMEOUT(fsm_timeout, (caddr_t) f);
        f->state = STOPPED;
        if( f->callbacks->finished )
            (*f->callbacks->finished)(f);
@@ -677,7 +691,8 @@ 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;
 
@@ -700,7 +715,7 @@ 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 */