moved protos here from ipcp.h; print reason on terminate-request;

[ppp.git] / pppd / upap.c

diff --git a/pppd/upap.c b/pppd/upap.c
index 4128866eac7f10319e63cf73f0c78054e81623bc..6f99daf50d5005e67fb0831d8c562dc4f950b167 100644 (file)
--- a/pppd/upap.c
+++ b/pppd/upap.c
@@ -18,7 +18,7 @@
  */
 
 #ifndef lint
-static char rcsid[] = "$Id: upap.c,v 1.3 1994/09/21 06:47:37 paulus Exp $";
+static char rcsid[] = "$Id: upap.c,v 1.9 1996/05/26 23:57:19 paulus Exp $";
 #endif
 
 /*
@@ -26,6 +26,7 @@ static char rcsid[] = "$Id: upap.c,v 1.3 1994/09/21 06:47:37 paulus Exp $";
  */
 
 #include <stdio.h>
+#include <string.h>
 #include <sys/types.h>
 #include <sys/time.h>
 #include <syslog.h>
@@ -33,11 +34,16 @@ static char rcsid[] = "$Id: upap.c,v 1.3 1994/09/21 06:47:37 paulus Exp $";
 #include "pppd.h"
 #include "upap.h"
 
+struct protent pap_protent = {
+    PPP_PAP, upap_init, upap_input, upap_protrej,
+    upap_lowerup, upap_lowerdown, NULL, NULL,
+    upap_printpkt, NULL, 1, "PAP", NULL, NULL
+};
 
-upap_state upap[N_PPP];                /* UPAP state; one for each unit */
-
+upap_state upap[NUM_PPP];              /* UPAP state; one for each unit */
 
 static void upap_timeout __P((caddr_t));
+static void upap_reqtimeout __P((caddr_t));
 static void upap_rauthreq __P((upap_state *, u_char *, int, int));
 static void upap_rauthack __P((upap_state *, u_char *, int, int));
 static void upap_rauthnak __P((upap_state *, u_char *, int, int));
@@ -64,6 +70,7 @@ upap_init(unit)
     u->us_id = 0;
     u->us_timeouttime = UPAP_DEFTIMEOUT;
     u->us_maxtransmits = 10;
+    u->us_reqtimeout = UPAP_DEFREQTIME;
 }
 
 
@@ -116,11 +123,13 @@ upap_authpeer(unit)
     }
 
     u->us_serverstate = UPAPSS_LISTEN;
+    if (u->us_reqtimeout > 0)
+       TIMEOUT(upap_reqtimeout, (caddr_t) u, u->us_reqtimeout);
 }
 
 
 /*
- * upap_timeout - Timeout expired.
+ * upap_timeout - Retransmission timer for sending auth-reqs expired.
  */
 static void
 upap_timeout(arg)
@@ -143,6 +152,23 @@ upap_timeout(arg)
 }
 
 
+/*
+ * upap_reqtimeout - Give up waiting for the peer to send an auth-req.
+ */
+static void
+upap_reqtimeout(arg)
+    caddr_t arg;
+{
+    upap_state *u = (upap_state *) arg;
+
+    if (u->us_serverstate != UPAPSS_LISTEN)
+       return;                 /* huh?? */
+
+    auth_peer_fail(u->us_unit, PPP_PAP);
+    u->us_serverstate = UPAPSS_BADAUTH;
+}
+
+
 /*
  * upap_lowerup - The lower layer is up.
  *
@@ -162,8 +188,11 @@ upap_lowerup(unit)
 
     if (u->us_serverstate == UPAPSS_INITIAL)
        u->us_serverstate = UPAPSS_CLOSED;
-    else if (u->us_serverstate == UPAPSS_PENDING)
+    else if (u->us_serverstate == UPAPSS_PENDING) {
        u->us_serverstate = UPAPSS_LISTEN;
+       if (u->us_reqtimeout > 0)
+           TIMEOUT(upap_reqtimeout, (caddr_t) u, u->us_reqtimeout);
+    }
 }
 
 
@@ -178,8 +207,10 @@ upap_lowerdown(unit)
 {
     upap_state *u = &upap[unit];
 
-    if (u->us_clientstate == UPAPCS_AUTHREQ) /* Timeout pending? */
+    if (u->us_clientstate == UPAPCS_AUTHREQ)   /* Timeout pending? */
        UNTIMEOUT(upap_timeout, (caddr_t) u);   /* Cancel timeout */
+    if (u->us_serverstate == UPAPSS_LISTEN && u->us_reqtimeout > 0)
+       UNTIMEOUT(upap_reqtimeout, (caddr_t) u);
 
     u->us_clientstate = UPAPCS_INITIAL;
     u->us_serverstate = UPAPSS_INITIAL;
@@ -229,18 +260,18 @@ upap_input(unit, inpacket, l)
      */
     inp = inpacket;
     if (l < UPAP_HEADERLEN) {
-       UPAPDEBUG((LOG_INFO, "upap_input: rcvd short header."));
+       UPAPDEBUG((LOG_INFO, "pap_input: rcvd short header."));
        return;
     }
     GETCHAR(code, inp);
     GETCHAR(id, inp);
     GETSHORT(len, inp);
     if (len < UPAP_HEADERLEN) {
-       UPAPDEBUG((LOG_INFO, "upap_input: rcvd illegal length."));
+       UPAPDEBUG((LOG_INFO, "pap_input: rcvd illegal length."));
        return;
     }
     if (len > l) {
-       UPAPDEBUG((LOG_INFO, "upap_input: rcvd short packet."));
+       UPAPDEBUG((LOG_INFO, "pap_input: rcvd short packet."));
        return;
     }
     len -= UPAP_HEADERLEN;
@@ -283,7 +314,7 @@ upap_rauthreq(u, inp, id, len)
     char *msg;
     int msglen;
 
-    UPAPDEBUG((LOG_INFO, "upap_rauth: Rcvd id %d.", id));
+    UPAPDEBUG((LOG_INFO, "pap_rauth: Rcvd id %d.", id));
 
     if (u->us_serverstate < UPAPSS_LISTEN)
        return;
@@ -305,20 +336,20 @@ upap_rauthreq(u, inp, id, len)
      * Parse user/passwd.
      */
     if (len < sizeof (u_char)) {
-       UPAPDEBUG((LOG_INFO, "upap_rauth: rcvd short packet."));
+       UPAPDEBUG((LOG_INFO, "pap_rauth: rcvd short packet."));
        return;
     }
     GETCHAR(ruserlen, inp);
     len -= sizeof (u_char) + ruserlen + sizeof (u_char);
     if (len < 0) {
-       UPAPDEBUG((LOG_INFO, "upap_rauth: rcvd short packet."));
+       UPAPDEBUG((LOG_INFO, "pap_rauth: rcvd short packet."));
        return;
     }
     ruser = (char *) inp;
     INCPTR(ruserlen, inp);
     GETCHAR(rpasswdlen, inp);
     if (len < rpasswdlen) {
-       UPAPDEBUG((LOG_INFO, "upap_rauth: rcvd short packet."));
+       UPAPDEBUG((LOG_INFO, "pap_rauth: rcvd short packet."));
        return;
     }
     rpasswd = (char *) inp;
@@ -338,6 +369,9 @@ upap_rauthreq(u, inp, id, len)
        u->us_serverstate = UPAPSS_BADAUTH;
        auth_peer_fail(u->us_unit, PPP_PAP);
     }
+
+    if (u->us_reqtimeout > 0)
+       UNTIMEOUT(upap_reqtimeout, (caddr_t) u);
 }
 
 
@@ -354,7 +388,7 @@ upap_rauthack(u, inp, id, len)
     u_char msglen;
     char *msg;
 
-    UPAPDEBUG((LOG_INFO, "upap_rauthack: Rcvd id %d.", id));
+    UPAPDEBUG((LOG_INFO, "pap_rauthack: Rcvd id %d.", id));
     if (u->us_clientstate != UPAPCS_AUTHREQ) /* XXX */
        return;
 
@@ -362,13 +396,13 @@ upap_rauthack(u, inp, id, len)
      * Parse message.
      */
     if (len < sizeof (u_char)) {
-       UPAPDEBUG((LOG_INFO, "upap_rauthack: rcvd short packet."));
+       UPAPDEBUG((LOG_INFO, "pap_rauthack: rcvd short packet."));
        return;
     }
     GETCHAR(msglen, inp);
     len -= sizeof (u_char);
     if (len < msglen) {
-       UPAPDEBUG((LOG_INFO, "upap_rauthack: rcvd short packet."));
+       UPAPDEBUG((LOG_INFO, "pap_rauthack: rcvd short packet."));
        return;
     }
     msg = (char *) inp;
@@ -393,7 +427,7 @@ upap_rauthnak(u, inp, id, len)
     u_char msglen;
     char *msg;
 
-    UPAPDEBUG((LOG_INFO, "upap_rauthnak: Rcvd id %d.", id));
+    UPAPDEBUG((LOG_INFO, "pap_rauthnak: Rcvd id %d.", id));
     if (u->us_clientstate != UPAPCS_AUTHREQ) /* XXX */
        return;
 
@@ -401,13 +435,13 @@ upap_rauthnak(u, inp, id, len)
      * Parse message.
      */
     if (len < sizeof (u_char)) {
-       UPAPDEBUG((LOG_INFO, "upap_rauthnak: rcvd short packet."));
+       UPAPDEBUG((LOG_INFO, "pap_rauthnak: rcvd short packet."));
        return;
     }
     GETCHAR(msglen, inp);
     len -= sizeof (u_char);
     if (len < msglen) {
-       UPAPDEBUG((LOG_INFO, "upap_rauthnak: rcvd short packet."));
+       UPAPDEBUG((LOG_INFO, "pap_rauthnak: rcvd short packet."));
        return;
     }
     msg = (char *) inp;
@@ -447,7 +481,7 @@ upap_sauthreq(u)
 
     output(u->us_unit, outpacket_buf, outlen + PPP_HDRLEN);
 
-    UPAPDEBUG((LOG_INFO, "upap_sauth: Sent id %d.", u->us_id));
+    UPAPDEBUG((LOG_INFO, "pap_sauth: Sent id %d.", u->us_id));
 
     TIMEOUT(upap_timeout, (caddr_t) u, u->us_timeouttime);
     ++u->us_transmits;
@@ -479,7 +513,7 @@ upap_sresp(u, code, id, msg, msglen)
     BCOPY(msg, outp, msglen);
     output(u->us_unit, outpacket_buf, outlen + PPP_HDRLEN);
 
-    UPAPDEBUG((LOG_INFO, "upap_sresp: Sent code %d, id %d.", code, id));
+    UPAPDEBUG((LOG_INFO, "pap_sresp: Sent code %d, id %d.", code, id));
 }
 
 /*