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2.0.7
[l2tpns.git] / radius.c
diff --git a/radius.c b/radius.c
index 7453211..d2e2d3b 100644 (file)
--- a/radius.c
+++ b/radius.c
@@ -1,6 +1,6 @@
 // L2TPNS Radius Stuff
 
-char const *cvs_id_radius = "$Id: radius.c,v 1.8 2004-07-11 07:57:35 bodea Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.11 2004-11-05 04:55:27 bodea Exp $";
 
 #include <time.h>
 #include <stdio.h>
@@ -41,7 +41,7 @@ const char *radius_state(int state)
 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++)
        {
@@ -76,7 +76,7 @@ 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;
 }
 
@@ -87,13 +87,13 @@ u16 radiusnew(sessionidt s)
        /* 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()))
        {
-               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;
        };
@@ -104,7 +104,7 @@ u16 radiusnew(sessionidt s)
        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;
 }
 
@@ -123,12 +123,12 @@ void radiussend(u16 r, u8 state)
        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)
        {
-               log(0, 0, s, session[s].tunnel, "No RADIUS secret\n");
+               LOG(0, 0, s, session[s].tunnel, "No RADIUS secret\n");
                return;
        }
 
@@ -143,7 +143,7 @@ void radiussend(u16 r, u8 state)
                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)
@@ -154,7 +154,7 @@ void radiussend(u16 r, u8 state)
                                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);
                        }
@@ -179,7 +179,7 @@ void radiussend(u16 r, u8 state)
                        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);
@@ -345,9 +345,16 @@ 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));
+       LOG_HEX(5, "RADIUS Send", b, (p - b));
        sendto(radfds[r & RADIUS_MASK], b, p - b, 0, (void *) &addr, sizeof(addr));
 }
 
@@ -370,25 +377,25 @@ void processrad(u8 *buf, int len, char socket_index)
 
        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)))
        {
-               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;
-       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)
        {
-               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)
        {
-               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;
@@ -401,19 +408,19 @@ void processrad(u8 *buf, int len, char socket_index)
        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))
                {
-                       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)
                {
-                       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)
                        {
@@ -428,7 +435,7 @@ void processrad(u8 *buf, int len, char socket_index)
                                        *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;
@@ -448,7 +455,7 @@ void processrad(u8 *buf, int len, char socket_index)
                                        *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;
@@ -469,20 +476,20 @@ void processrad(u8 *buf, int len, char socket_index)
                                        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)));
+                                               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
-                                               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
-                                               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)
@@ -520,14 +527,14 @@ void processrad(u8 *buf, int len, char socket_index)
                                                        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)));
-                                                       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;
@@ -541,16 +548,16 @@ void processrad(u8 *buf, int len, char socket_index)
                                                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)
-                                                       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);
-                                                       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;
@@ -582,7 +589,7 @@ void processrad(u8 *buf, int len, char socket_index)
                        }
                        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;
                        }
@@ -590,22 +597,22 @@ void processrad(u8 *buf, int len, char socket_index)
                        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);
-                               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
-                       session[s].sid = 0;
+                       session[s].unique_id = 0;
                        sessionsetup(t, s);
                }
                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);
@@ -647,7 +654,7 @@ void radiusretry(u16 r)
                case RADIUSWAIT:           // waiting timeout before available, in case delayed reply from RADIUS server
                        // free up RADIUS task
                        radiusclear(r, s);
-                       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;
        }
 }
@@ -656,7 +663,7 @@ void radius_clean()
 {
        int i;
 
-       log(1, 0, 0, 0, "Cleaning radius session array\n");
+       LOG(1, 0, 0, 0, "Cleaning radius session array\n");
 
        for (i = 1; i < MAXRADIUS; i++)
        {
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