add filtering

[l2tpns.git] / radius.c

diff --git a/radius.c b/radius.c
index 35a53cb..63aeec1 100644 (file)
--- a/radius.c
+++ b/radius.c
@@ -1,6 +1,6 @@
 // L2TPNS Radius Stuff
 
 // L2TPNS Radius Stuff
 

-char const *cvs_id_radius = "$Id: radius.c,v 1.10 2004-09-02 04:18:07 fred_nerk Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.17 2004-11-28 02:53:11 bodea Exp $";

 
 #include <time.h>
 #include <stdio.h>
 
 #include <time.h>
 #include <stdio.h>


@@ -22,10 +22,11 @@ extern radiust *radius;
 extern sessiont *session;
 extern tunnelt *tunnel;
 extern u32 sessionid;
 extern sessiont *session;
 extern tunnelt *tunnel;
 extern u32 sessionid;

-extern struct configt *config;
+extern configt *config;

 extern int *radfds;
 extern int *radfds;

+extern ip_filtert *ip_filters;

 
 

-const char *radius_state(int state)
+static const char *radius_state(int state)

 {
        static char *tmp = NULL;
        int i;
 {
        static char *tmp = NULL;
        int i;


@@ -41,12 +42,12 @@ const char *radius_state(int state)
 void initrad(void)
 {
        int i;
 void initrad(void)
 {
        int i;

-       log(3, 0, 0, 0, "Creating %d sockets for RADIUS queries\n", config->num_radfds);
+       LOG(3, 0, 0, 0, "Creating %d sockets for RADIUS queries\n", config->num_radfds);

        radfds = calloc(sizeof(int), config->num_radfds);
        for (i = 0; i < config->num_radfds; i++)
        {
                int flags;
        radfds = calloc(sizeof(int), config->num_radfds);
        for (i = 0; i < config->num_radfds; i++)
        {
                int flags;

-               if (!radfds[i]) radfds[i] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
+               radfds[i] = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);

                flags = fcntl(radfds[i], F_GETFL, 0);
                fcntl(radfds[i], F_SETFL, flags | O_NONBLOCK);
        }
                flags = fcntl(radfds[i], F_GETFL, 0);
                fcntl(radfds[i], F_SETFL, flags | O_NONBLOCK);
        }


@@ -76,7 +77,7 @@ static u16 get_free_radius()
                }
        }
 
                }
        }
 

-       log(0, 0, 0, 0, "Can't find a free radius session! This is very bad!\n");
+       LOG(0, 0, 0, 0, "Can't find a free radius session! This is very bad!\n");

        return 0;
 }
 
        return 0;
 }
 


@@ -87,13 +88,13 @@ u16 radiusnew(sessionidt s)
        /* re-use */
        if (r)
        {
        /* re-use */
        if (r)
        {

-               log(3, 0, s, session[s].tunnel, "Re-used radius %d\n", r);
+               LOG(3, 0, s, session[s].tunnel, "Re-used radius %d\n", r);

                return r;
        }
 
        if (!(r = get_free_radius()))
        {
                return r;
        }
 
        if (!(r = get_free_radius()))
        {

-               log(1, 0, s, session[s].tunnel, "No free RADIUS sessions\n");
+               LOG(1, 0, s, session[s].tunnel, "No free RADIUS sessions\n");

                STAT(radius_overflow);
                return 0;
        };
                STAT(radius_overflow);
                return 0;
        };


@@ -104,7 +105,7 @@ u16 radiusnew(sessionidt s)
        radius[r].state = RADIUSWAIT;
        radius[r].retry = TIME + 1200; // Wait at least 120 seconds to re-claim this.
 
        radius[r].state = RADIUSWAIT;
        radius[r].retry = TIME + 1200; // Wait at least 120 seconds to re-claim this.
 

-       log(3,0,s, session[s].tunnel, "Allocated radius %d\n", r);
+       LOG(3,0,s, session[s].tunnel, "Allocated radius %d\n", r);

        return r;
 }
 
        return r;
 }
 


@@ -123,12 +124,12 @@ void radiussend(u16 r, u8 state)
        s = radius[r].session;
        if (!config->numradiusservers)
        {
        s = radius[r].session;
        if (!config->numradiusservers)
        {

-               log(0, 0, s, session[s].tunnel, "No RADIUS servers\n");
+               LOG(0, 0, s, session[s].tunnel, "No RADIUS servers\n");

                return;
        }
        if (!*config->radiussecret)
        {
                return;
        }
        if (!*config->radiussecret)
        {

-               log(0, 0, s, session[s].tunnel, "No RADIUS secret\n");
+               LOG(0, 0, s, session[s].tunnel, "No RADIUS secret\n");

                return;
        }
 
                return;
        }
 


@@ -143,7 +144,7 @@ void radiussend(u16 r, u8 state)
                radius[r].try = 0;
        radius[r].state = state;
        radius[r].retry = backoff(radius[r].try++);
                radius[r].try = 0;
        radius[r].state = state;
        radius[r].retry = backoff(radius[r].try++);

-       log(4, 0, s, session[s].tunnel, "Send RADIUS id %d sock %d state %s try %d\n",
+       LOG(4, 0, s, session[s].tunnel, "Send RADIUS id %d sock %d state %s try %d\n",

                        r >> RADIUS_SHIFT, r & RADIUS_MASK,
                        radius_state(radius[r].state), radius[r].try);
        if (radius[r].try > config->numradiusservers * 2)
                        r >> RADIUS_SHIFT, r & RADIUS_MASK,
                        radius_state(radius[r].state), radius[r].try);
        if (radius[r].try > config->numradiusservers * 2)


@@ -154,7 +155,7 @@ void radiussend(u16 r, u8 state)
                                sessionshutdown(s, "RADIUS timeout");
                        else
                        {
                                sessionshutdown(s, "RADIUS timeout");
                        else
                        {

-                               log(1, 0, s, session[s].tunnel, "RADIUS timeout, but in state %s so don't timeout session\n",
+                               LOG(1, 0, s, session[s].tunnel, "RADIUS timeout, but in state %s so don't timeout session\n",

                                        radius_states[state]);
                                radiusclear(r, s);
                        }
                                        radius_states[state]);
                                radiusclear(r, s);
                        }


@@ -179,7 +180,7 @@ void radiussend(u16 r, u8 state)
                        b[0] = 4;               // accounting request
                        break;
                default:
                        b[0] = 4;               // accounting request
                        break;
                default:

-                       log(0, 0, 0, 0, "Unknown radius state %d\n", state);
+                       LOG(0, 0, 0, 0, "Unknown radius state %d\n", state);

        }
        b[1] = r >> RADIUS_SHIFT;       // identifier
        memcpy(b + 4, radius[r].auth, 16);
        }
        b[1] = r >> RADIUS_SHIFT;       // identifier
        memcpy(b + 4, radius[r].auth, 16);


@@ -354,7 +355,7 @@ void radiussend(u16 r, u8 state)
            addr.sin_port = htons((state == RADIUSAUTH) ? port : port+1);
        }
 
            addr.sin_port = htons((state == RADIUSAUTH) ? port : port+1);
        }
 

-       log_hex(5, "RADIUS Send", b, (p - b));
+       LOG_HEX(5, "RADIUS Send", b, (p - b));

        sendto(radfds[r & RADIUS_MASK], b, p - b, 0, (void *) &addr, sizeof(addr));
 }
 
        sendto(radfds[r & RADIUS_MASK], b, p - b, 0, (void *) &addr, sizeof(addr));
 }
 


@@ -377,25 +378,25 @@ void processrad(u8 *buf, int len, char socket_index)
 
        CSTAT(call_processrad);
 
 
        CSTAT(call_processrad);
 

-       log_hex(5, "RADIUS Response", buf, len);
+       LOG_HEX(5, "RADIUS Response", buf, len);

        if (len < 20 || len < ntohs(*(u16 *) (buf + 2)))
        {
        if (len < 20 || len < ntohs(*(u16 *) (buf + 2)))
        {

-               log(1, 0, 0, 0, "Duff RADIUS response length %d\n", len);
+               LOG(1, 0, 0, 0, "Duff RADIUS response length %d\n", len);

                return ;
        }
        len = ntohs(*(u16 *) (buf + 2));
        r = socket_index | (r_id << RADIUS_SHIFT);
        s = radius[r].session;
                return ;
        }
        len = ntohs(*(u16 *) (buf + 2));
        r = socket_index | (r_id << RADIUS_SHIFT);
        s = radius[r].session;

-       log(3, 0, s, session[s].tunnel, "Received %s, radius %d response for session %u (code %d, id %d)\n",
+       LOG(3, 0, s, session[s].tunnel, "Received %s, radius %d response for session %u (code %d, id %d)\n",

                        radius_states[radius[r].state], r, s, r_code, r_id);
        if (!s && radius[r].state != RADIUSSTOP)
        {
                        radius_states[radius[r].state], r, s, r_code, r_id);
        if (!s && radius[r].state != RADIUSSTOP)
        {

-               log(1, 0, s, session[s].tunnel, "   Unexpected RADIUS response\n");
+               LOG(1, 0, s, session[s].tunnel, "   Unexpected RADIUS response\n");

                return;
        }
        if (radius[r].state != RADIUSAUTH && radius[r].state != RADIUSSTART && radius[r].state != RADIUSSTOP)
        {
                return;
        }
        if (radius[r].state != RADIUSAUTH && radius[r].state != RADIUSSTART && radius[r].state != RADIUSSTOP)
        {

-               log(1, 0, s, session[s].tunnel, "   Unexpected RADIUS response\n");
+               LOG(1, 0, s, session[s].tunnel, "   Unexpected RADIUS response\n");

                return;
        }
        t = session[s].tunnel;
                return;
        }
        t = session[s].tunnel;


@@ -408,34 +409,33 @@ void processrad(u8 *buf, int len, char socket_index)
        do {
                if (memcmp(hash, buf + 4, 16))
                {
        do {
                if (memcmp(hash, buf + 4, 16))
                {

-                       log(0, 0, s, session[s].tunnel, "   Incorrect auth on RADIUS response!! (wrong secret in radius config?)\n");
+                       LOG(0, 0, s, session[s].tunnel, "   Incorrect auth on RADIUS response!! (wrong secret in radius config?)\n");

                        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))
                {
                        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);
+                       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.
                }
                if (radius[r].state == RADIUSAUTH)
                {
                        return; // We got something we didn't expect. Let the timeouts take
                                // care off finishing the radius session if that's really correct.
                }
                if (radius[r].state == RADIUSAUTH)
                {

-                       log(4, 0, s, session[s].tunnel, "   Original response is \"%s\"\n", (*buf == 2) ? "accept" : "reject");
+                       LOG(4, 0, s, session[s].tunnel, "   Original response is \"%s\"\n", (*buf == 2) ? "accept" : "reject");

                        // process auth response
                        if (radius[r].chap)
                        {
                                // CHAP
                                u8 *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPCHAP);
                        // process auth response
                        if (radius[r].chap)
                        {
                                // CHAP
                                u8 *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPCHAP);

-                               if (!p) {
-                                       return; // Abort!
-                               }
+                               if (!p) return; // Abort!
+

                                {
                                        struct param_post_auth packet = { &tunnel[t], &session[s], session[s].user, (*buf == 2), PPPCHAP };
                                        run_plugins(PLUGIN_POST_AUTH, &packet);
                                        *buf = packet.auth_allowed ? 2 : 3;
                                }
 
                                {
                                        struct param_post_auth packet = { &tunnel[t], &session[s], session[s].user, (*buf == 2), PPPCHAP };
                                        run_plugins(PLUGIN_POST_AUTH, &packet);
                                        *buf = packet.auth_allowed ? 2 : 3;
                                }
 

-                               log(3, 0, s, session[s].tunnel, "   CHAP User %s authentication %s.\n", session[s].user,
+                               LOG(3, 0, s, session[s].tunnel, "   CHAP User %s authentication %s.\n", session[s].user,

                                                (*buf == 2) ? "allowed" : "denied");
                                *p = (*buf == 2) ? 3 : 4;     // ack/nak
                                p[1] = radius[r].id;
                                                (*buf == 2) ? "allowed" : "denied");
                                *p = (*buf == 2) ? 3 : 4;     // ack/nak
                                p[1] = radius[r].id;


@@ -446,8 +446,7 @@ void processrad(u8 *buf, int len, char socket_index)
                        {
                                // PAP
                                u8 *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPPAP);
                        {
                                // PAP
                                u8 *p = makeppp(b, sizeof(b), 0, 0, t, s, PPPPAP);

-                               if (!p)
-                                       return;         // Abort!
+                               if (!p) return;         // Abort!

 
                                {
                                        struct param_post_auth packet = { &tunnel[t], &session[s], session[s].user, (*buf == 2), PPPPAP };
 
                                {
                                        struct param_post_auth packet = { &tunnel[t], &session[s], session[s].user, (*buf == 2), PPPPAP };


@@ -455,7 +454,7 @@ void processrad(u8 *buf, int len, char socket_index)
                                        *buf = packet.auth_allowed ? 2 : 3;
                                }
 
                                        *buf = packet.auth_allowed ? 2 : 3;
                                }
 

-                               log(3, 0, s, session[s].tunnel, "   PAP User %s authentication %s.\n", session[s].user,
+                               LOG(3, 0, s, session[s].tunnel, "   PAP User %s authentication %s.\n", session[s].user,

                                                (*buf == 2) ? "allowed" : "denied");
                                // ack/nak
                                *p = *buf;
                                                (*buf == 2) ? "allowed" : "denied");
                                // ack/nak
                                *p = *buf;


@@ -475,26 +474,26 @@ void processrad(u8 *buf, int len, char socket_index)
                                {
                                        if (*p == 8)
                                        {
                                {
                                        if (*p == 8)
                                        {

-                                               // Statically assigned address
-                                               log(3, 0, s, session[s].tunnel, "   Radius reply contains IP address %s\n", inet_toa(*(u32 *) (p + 2)));
+                                               // Framed-IP-Address
+                                               LOG(3, 0, s, session[s].tunnel, "   Radius reply contains IP address %s\n", inet_toa(*(u32 *) (p + 2)));

                                                session[s].ip = ntohl(*(u32 *) (p + 2));
                                                session[s].ip_pool_index = -1;
                                        }
                                        else if (*p == 135)
                                        {
                                                // DNS address
                                                session[s].ip = ntohl(*(u32 *) (p + 2));
                                                session[s].ip_pool_index = -1;
                                        }
                                        else if (*p == 135)
                                        {
                                                // DNS address

-                                               log(3, 0, s, session[s].tunnel, "   Radius reply contains primary DNS address %s\n", inet_toa(*(u32 *) (p + 2)));
+                                               LOG(3, 0, s, session[s].tunnel, "   Radius reply contains primary DNS address %s\n", inet_toa(*(u32 *) (p + 2)));

                                                session[s].dns1 = ntohl(*(u32 *) (p + 2));
                                        }
                                        else if (*p == 136)
                                        {
                                                // DNS address
                                                session[s].dns1 = ntohl(*(u32 *) (p + 2));
                                        }
                                        else if (*p == 136)
                                        {
                                                // DNS address

-                                               log(3, 0, s, session[s].tunnel, "   Radius reply contains secondary DNS address %s\n", inet_toa(*(u32 *) (p + 2)));
+                                               LOG(3, 0, s, session[s].tunnel, "   Radius reply contains secondary DNS address %s\n", inet_toa(*(u32 *) (p + 2)));

                                                session[s].dns2 = ntohl(*(u32 *) (p + 2));
                                        }
                                        else if (*p == 22)
                                        {
                                                session[s].dns2 = ntohl(*(u32 *) (p + 2));
                                        }
                                        else if (*p == 22)
                                        {

-                                               // framed-route
+                                               // Framed-Route

                                                ipt ip = 0, mask = 0;
                                                u8 u = 0;
                                                u8 bits = 0;
                                                ipt ip = 0, mask = 0;
                                                u8 u = 0;
                                                u8 bits = 0;


@@ -527,14 +526,14 @@ void processrad(u8 *buf, int len, char socket_index)
                                                        mask = 0xFFFFFF00;
                                                if (routes == MAXROUTE)
                                                {
                                                        mask = 0xFFFFFF00;
                                                if (routes == MAXROUTE)
                                                {

-                                                       log(1, 0, s, session[s].tunnel, "   Too many routes\n");
+                                                       LOG(1, 0, s, session[s].tunnel, "   Too many routes\n");

                                                }
                                                else if (ip)
                                                {
                                                        char *ips, *masks;
                                                        ips = strdup(inet_toa(htonl(ip)));
                                                        masks = strdup(inet_toa(htonl(mask)));
                                                }
                                                else if (ip)
                                                {
                                                        char *ips, *masks;
                                                        ips = strdup(inet_toa(htonl(ip)));
                                                        masks = strdup(inet_toa(htonl(mask)));

-                                                       log(3, 0, s, session[s].tunnel, "   Radius reply contains route for %s/%s\n", ips, masks);
+                                                       LOG(3, 0, s, session[s].tunnel, "   Radius reply contains route for %s/%s\n", ips, masks);

                                                        free(ips);
                                                        free(masks);
                                                        session[s].route[routes].ip = ip;
                                                        free(ips);
                                                        free(masks);
                                                        session[s].route[routes].ip = ip;


@@ -542,22 +541,60 @@ void processrad(u8 *buf, int len, char socket_index)
                                                        routes++;
                                                }
                                        }
                                                        routes++;
                                                }
                                        }

+                                       else if (*p == 11)
+                                       {
+                                               // Filter-Id
+                                               char *filter = p + 2;
+                                               int l = p[1] - 2;
+                                               char *suffix;
+                                               u8 *f = 0;
+                                               int i;
+
+                                               LOG(3, 0, s, session[s].tunnel, "   Radius reply contains Filter-Id \"%.*s\"\n", l, filter);
+                                               if ((suffix = memchr(filter, '.', l)))
+                                               {
+                                                       int b = suffix - filter;
+                                                       if (l - b == 3 && !memcmp("in", suffix+1, 2))
+                                                               f = &session[s].filter_in;
+                                                       else if (l - b == 4 && !memcmp("out", suffix+1, 3))
+                                                               f = &session[s].filter_out;
+
+                                                       l = b;
+                                               }
+
+                                               if (!f)
+                                               {
+                                                       LOG(3, 0, s, session[s].tunnel, "    Invalid filter\n");
+                                                       continue;
+                                               }
+
+                                               for (*f = 0, i = 0; !*f && i < MAXFILTER; i++)
+                                                       if (strlen(ip_filters[i].name) == l &&
+                                                           !strncmp(ip_filters[i].name, filter, l))
+                                                               *f = i + 1;
+
+                                               if (*f)
+                                                       ip_filters[*f - 1].used++;
+                                               else
+                                                       LOG(3, 0, s, session[s].tunnel, "    Unknown filter\n");
+
+                                       }

                                        else if (*p == 26)
                                        {
                                                // Vendor-Specific Attribute
                                                int vendor = ntohl(*(int *)(p + 2));
                                                char attrib = *(p + 6);
                                                char attrib_length = *(p + 7) - 2;
                                        else if (*p == 26)
                                        {
                                                // Vendor-Specific Attribute
                                                int vendor = ntohl(*(int *)(p + 2));
                                                char attrib = *(p + 6);
                                                char attrib_length = *(p + 7) - 2;

-                                               log(3, 0, s, session[s].tunnel, "   Radius reply contains Vendor-Specific. Vendor=%d Attrib=%d Length=%d\n", vendor, attrib, attrib_length);
+                                               LOG(3, 0, s, session[s].tunnel, "   Radius reply contains Vendor-Specific.  Vendor=%d Attrib=%d Length=%d\n", vendor, attrib, attrib_length);

                                                if (attrib_length == 0) continue;
                                                if (attrib != 1)
                                                if (attrib_length == 0) continue;
                                                if (attrib != 1)

-                                                       log(3, 0, s, session[s].tunnel, "      Unknown vendor-specific\n");
+                                                       LOG(3, 0, s, session[s].tunnel, "      Unknown vendor-specific\n");

                                                else
                                                {
                                                        char *avpair, *value, *key, *newp;
                                                        avpair = key = calloc(attrib_length + 1, 1);
                                                        memcpy(avpair, p + 8, attrib_length);
                                                else
                                                {
                                                        char *avpair, *value, *key, *newp;
                                                        avpair = key = calloc(attrib_length + 1, 1);
                                                        memcpy(avpair, p + 8, attrib_length);

-                                                       log(3, 0, s, session[s].tunnel, "      Cisco-Avpair value: %s\n", avpair);
+                                                       LOG(3, 0, s, session[s].tunnel, "      Cisco-Avpair value: %s\n", avpair);

                                                        do {
                                                                value = strchr(key, '=');
                                                                if (!value) break;
                                                        do {
                                                                value = strchr(key, '=');
                                                                if (!value) break;


@@ -589,7 +626,7 @@ void processrad(u8 *buf, int len, char socket_index)
                        }
                        else if (*buf == 3)
                        {
                        }
                        else if (*buf == 3)
                        {

-                               log(2, 0, s, session[s].tunnel, "   Authentication denied for %s\n", session[s].user);
+                               LOG(2, 0, s, session[s].tunnel, "   Authentication denied for %s\n", session[s].user);

 //FIXME: We should tear down the session here!
                                break;
                        }
 //FIXME: We should tear down the session here!
                                break;
                        }


@@ -597,12 +634,12 @@ void processrad(u8 *buf, int len, char socket_index)
                        if (!session[s].dns1 && config->default_dns1)
                        {
                                session[s].dns1 = htonl(config->default_dns1);
                        if (!session[s].dns1 && config->default_dns1)
                        {
                                session[s].dns1 = htonl(config->default_dns1);

-                               log(3, 0, s, t, "   Sending dns1 = %s\n", inet_toa(config->default_dns1));
+                               LOG(3, 0, s, t, "   Sending dns1 = %s\n", inet_toa(config->default_dns1));

                        }
                        if (!session[s].dns2 && config->default_dns2)
                        {
                                session[s].dns2 = htonl(config->default_dns2);
                        }
                        if (!session[s].dns2 && config->default_dns2)
                        {
                                session[s].dns2 = htonl(config->default_dns2);

-                               log(3, 0, s, t, "   Sending dns2 = %s\n", inet_toa(config->default_dns2));
+                               LOG(3, 0, s, t, "   Sending dns2 = %s\n", inet_toa(config->default_dns2));

                        }
 
                        // Valid Session, set it up
                        }
 
                        // Valid Session, set it up


@@ -612,7 +649,7 @@ void processrad(u8 *buf, int len, char socket_index)
                else
                {
                                // An ack for a stop or start record.
                else
                {
                                // An ack for a stop or start record.

-                       log(3, 0, s, t, "   RADIUS accounting ack recv in state %s\n", radius_states[radius[r].state]);
+                       LOG(3, 0, s, t, "   RADIUS accounting ack recv in state %s\n", radius_states[radius[r].state]);

                        break;
                }
        } while (0);
                        break;
                }
        } while (0);


@@ -654,23 +691,7 @@ void radiusretry(u16 r)
                case RADIUSWAIT:           // waiting timeout before available, in case delayed reply from RADIUS server
                        // free up RADIUS task
                        radiusclear(r, s);
                case RADIUSWAIT:           // waiting timeout before available, in case delayed reply from RADIUS server
                        // free up RADIUS task
                        radiusclear(r, s);

-                       log(3, 0, s, session[s].tunnel, "Freeing up radius session %d\n", r);
+                       LOG(3, 0, s, session[s].tunnel, "Freeing up radius session %d\n", r);

                        break;
        }
 }
                        break;
        }
 }

-
-void radius_clean()
-{
-       int i;
-
-       log(1, 0, 0, 0, "Cleaning radius session array\n");
-
-       for (i = 1; i < MAXRADIUS; i++)
-       {
-               if (radius[i].retry == 0
-                               || !session[radius[i].session].opened
-                               || session[radius[i].session].die
-                               || session[radius[i].session].tunnel == 0)
-                       radiusclear(i, radius[i].session);
-       }
-}