Apply MLPPP patch from Muhammad Tayseer Alquoatli, very belatedly, with

[l2tpns.git] / radius.c

diff --git a/radius.c b/radius.c
index f35e78d..93a1cde 100644 (file)
--- a/radius.c
+++ b/radius.c
@@ -1,6 +1,6 @@
 // L2TPNS Radius Stuff
 
-char const *cvs_id_radius = "$Id: radius.c,v 1.55 2006/08/02 14:17:30 bodea Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.56 2009/12/08 14:49:28 bodea Exp $";
 
 #include <time.h>
 #include <stdio.h>
@@ -177,7 +177,7 @@ void radiussend(uint16_t r, uint8_t state)
                return;
        }
 
-       if (state != RADIUSAUTH && !config->radius_accounting)
+       if (state != RADIUSAUTH && state != RADIUSJUSTAUTH && !config->radius_accounting)
        {
                // Radius accounting is turned off
                radiusclear(r, s);
@@ -197,7 +197,7 @@ void radiussend(uint16_t r, uint8_t state)
        {
                if (s)
                {
-                       if (state == RADIUSAUTH)
+                       if (state == RADIUSAUTH || state == RADIUSJUSTAUTH)
                                sessionshutdown(s, "RADIUS timeout.", CDN_ADMIN_DISC, TERM_REAUTHENTICATION_FAILURE);
                        else
                        {
@@ -219,6 +219,7 @@ void radiussend(uint16_t r, uint8_t state)
        switch (state)
        {
                case RADIUSAUTH:
+               case RADIUSJUSTAUTH:
                        b[0] = AccessRequest;               // access request
                        break;
                case RADIUSSTART:
@@ -239,7 +240,7 @@ void radiussend(uint16_t r, uint8_t state)
                strcpy((char *) p + 2, session[s].user);
                p += p[1];
        }
-       if (state == RADIUSAUTH)
+       if (state == RADIUSAUTH || state == RADIUSJUSTAUTH)
        {
                if (radius[r].chap)
                {
@@ -380,12 +381,12 @@ void radiussend(uint16_t r, uint8_t state)
 
                *p = 6;         // Service-Type
                p[1] = 6;
-               *(uint32_t *) (p + 2) = htonl(2); // Framed-User
+               *(uint32_t *) (p + 2) = htonl((state == RADIUSJUSTAUTH ? 8 : 2)); // Authenticate only or Framed-User respectevily
                p += p[1];
                   
                *p = 7;         // Framed-Protocol
-               p[1] = 6;
-               *(uint32_t *) (p + 2) = htonl(1); // PPP
+               p[1] = htonl((state == RADIUSJUSTAUTH ? 0 : 6));
+               *(uint32_t *) (p + 2) = htonl((state == RADIUSJUSTAUTH ? 0 : 1)); // PPP
                p += p[1];
 
                if (session[s].ip)
@@ -462,7 +463,7 @@ void radiussend(uint16_t r, uint8_t state)
 
        // All AVpairs added
        *(uint16_t *) (b + 2) = htons(p - b);
-       if (state != RADIUSAUTH)
+       if (state != RADIUSAUTH && state != RADIUSJUSTAUTH)
        {
                // Build auth for accounting packet
                calc_auth(b, p - b, zero, b + 4);
@@ -475,7 +476,7 @@ void radiussend(uint16_t r, uint8_t state)
                // get radius port
                uint16_t port = config->radiusport[(radius[r].try - 1) % config->numradiusservers];
                // assume RADIUS accounting port is the authentication port +1
-               addr.sin_port = htons((state == RADIUSAUTH) ? port : port+1);
+               addr.sin_port = htons((state == RADIUSAUTH || state == RADIUSJUSTAUTH) ? port : port+1);
        }
 
        LOG_HEX(5, "RADIUS Send", b, (p - b));
@@ -558,7 +559,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
                LOG(1, s, session[s].tunnel, "   Unexpected RADIUS response\n");
                return;
        }
-       if (radius[r].state != RADIUSAUTH && radius[r].state != RADIUSSTART
+       if (radius[r].state != RADIUSAUTH && radius[r].state != RADIUSJUSTAUTH && radius[r].state != RADIUSSTART
            && radius[r].state != RADIUSSTOP && radius[r].state != RADIUSINTERIM)
        {
                LOG(1, s, session[s].tunnel, "   Unexpected RADIUS response\n");
@@ -573,7 +574,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
                        return; // Do nothing. On timeout, it will try the next radius server.
                }
 
-               if ((radius[r].state == RADIUSAUTH && r_code != AccessAccept && r_code != AccessReject) ||
+               if (((radius[r].state == RADIUSAUTH ||radius[r].state == RADIUSJUSTAUTH) && r_code != AccessAccept && r_code != AccessReject) ||
                        ((radius[r].state == RADIUSSTART || radius[r].state == RADIUSSTOP || radius[r].state == RADIUSINTERIM) && r_code != AccountingResponse))
                {
                        LOG(1, s, session[s].tunnel, "   Unexpected RADIUS response %s\n", radius_code(r_code));
@@ -581,7 +582,7 @@ void processrad(uint8_t *buf, int len, char socket_index)
                                // care off finishing the radius session if that's really correct.
                }
 
-               if (radius[r].state == RADIUSAUTH)
+               if (radius[r].state == RADIUSAUTH || radius[r].state == RADIUSJUSTAUTH)
                {
                        // run post-auth plugin
                        struct param_post_auth packet = {
@@ -783,6 +784,8 @@ void processrad(uint8_t *buf, int len, char socket_index)
                                                if (p[1] < 6) continue;
                                                session[s].session_timeout = ntohl(*(uint32_t *)(p + 2));
                                                LOG(3, s, session[s].tunnel, "   Radius reply contains Session-Timeout = %u\n", session[s].session_timeout);
+                                               if(!session[s].session_timeout && config->kill_timedout_sessions)
+                                                        sessionshutdown(s, "Session timeout is zero", CDN_ADMIN_DISC, 0);
                                        }
                                        else if (*p == 28)
                                        {
@@ -869,6 +872,7 @@ void radiusretry(uint16_t r)
                        sendchap(s, t);
                        break;
                case RADIUSAUTH:        // sending auth to RADIUS server
+               case RADIUSJUSTAUTH:    // sending auth to RADIUS server
                case RADIUSSTART:       // sending start accounting to RADIUS server
                case RADIUSSTOP:        // sending stop accounting to RADIUS server
                case RADIUSINTERIM:     // sending interim accounting to RADIUS server