merge

[l2tpns.git] / radius.c

diff --git a/radius.c b/radius.c
index db49387..35a53cb 100644 (file)
--- a/radius.c
+++ b/radius.c
@@ -1,6 +1,6 @@
 // L2TPNS Radius Stuff
 
-char const *cvs_id_radius = "$Id: radius.c,v 1.5 2004-06-28 02:43:13 fred_nerk Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.10 2004-09-02 04:18:07 fred_nerk Exp $";
 
 #include <time.h>
 #include <stdio.h>
@@ -46,7 +46,7 @@ void initrad(void)
        for (i = 0; i < config->num_radfds; i++)
        {
                int flags;
-               if (!radfds[i]) radfds[i] = socket(AF_INET, SOCK_DGRAM, UDP);
+               if (!radfds[i]) radfds[i] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
                flags = fcntl(radfds[i], F_GETFL, 0);
                fcntl(radfds[i], F_SETFL, flags | O_NONBLOCK);
        }
@@ -59,7 +59,7 @@ void radiusclear(u16 r, sessionidt s)
 }
 
 
-static u16 new_radius()
+static u16 get_free_radius()
 {
        int count;
        static u32 next_radius_id = 0;
@@ -74,21 +74,30 @@ static u16 new_radius()
                {
                        return next_radius_id;
                }
-       
-               }
-                               log(0, 0, 0, 0, "Can't find a free radius session! This is very bad!\n");
-                               return 0;
+       }
+
+       log(0, 0, 0, 0, "Can't find a free radius session! This is very bad!\n");
+       return 0;
 }
 
 u16 radiusnew(sessionidt s)
 {
-       u16 r;
-       if (!(r = new_radius()))
+       u16 r = session[s].radius;
+
+       /* re-use */
+       if (r)
+       {
+               log(3, 0, s, session[s].tunnel, "Re-used radius %d\n", r);
+               return r;
+       }
+
+       if (!(r = get_free_radius()))
        {
                log(1, 0, s, session[s].tunnel, "No free RADIUS sessions\n");
                STAT(radius_overflow);
                return 0;
        };
+
        memset(&radius[r], 0, sizeof(radius[r]));
        session[s].radius = r;
        radius[r].session = s;
@@ -336,7 +345,14 @@ void radiussend(u16 r, u8 state)
        memset(&addr, 0, sizeof(addr));
        addr.sin_family = AF_INET;
        *(u32 *) & addr.sin_addr = config->radiusserver[(radius[r].try - 1) % config->numradiusservers];
-       addr.sin_port = htons((state == RADIUSAUTH) ? RADPORT : RADAPORT);
+       {
+           // get radius port
+           u16 port = config->radiusport[(radius[r].try - 1) % config->numradiusservers];
+           // no need to define the accounting port for itself:
+           //  the accounting port is as far as I know always one more
+           //  than the auth port    JK 20040713
+           addr.sin_port = htons((state == RADIUSAUTH) ? port : port+1);
+       }
 
        log_hex(5, "RADIUS Send", b, (p - b));
        sendto(radfds[r & RADIUS_MASK], b, p - b, 0, (void *) &addr, sizeof(addr));
@@ -393,20 +409,14 @@ void processrad(u8 *buf, int len, char socket_index)
                if (memcmp(hash, buf + 4, 16))
                {
                        log(0, 0, s, session[s].tunnel, "   Incorrect auth on RADIUS response!! (wrong secret in radius config?)\n");
-//                     radius[r].state = RADIUSWAIT;
-
                        return; // Do nothing. On timeout, it will try the next radius server.
                }
                if ((radius[r].state == RADIUSAUTH && *buf != 2 && *buf != 3) ||
                        ((radius[r].state == RADIUSSTART || radius[r].state == RADIUSSTOP) && *buf != 5))
                {
                        log(1, 0, s, session[s].tunnel, "   Unexpected RADIUS response %d\n", *buf);
-
                        return; // We got something we didn't expect. Let the timeouts take
                                // care off finishing the radius session if that's really correct.
-// old code. I think incorrect. --mo
-//                     radius[r].state = RADIUSWAIT;
-//                     break; // Finish the radius sesssion.
                }
                if (radius[r].state == RADIUSAUTH)
                {
@@ -596,7 +606,7 @@ void processrad(u8 *buf, int len, char socket_index)
                        }
 
                        // Valid Session, set it up
-                       session[s].sid = 0;
+                       session[s].unique_id = 0;
                        sessionsetup(t, s);
                }
                else
@@ -661,6 +671,6 @@ void radius_clean()
                                || !session[radius[i].session].opened
                                || session[radius[i].session].die
                                || session[radius[i].session].tunnel == 0)
-                       radiusclear(i, 0);
+                       radiusclear(i, radius[i].session);
        }
 }