X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/27329d23aaad449c60072a3f00ec961195abdbc9..e04b708a1febf20bac292c05e9e3a67655f5bce3:/radius.c?ds=sidebyside

diff --git a/radius.c b/radius.c
index 6746d81..39af2df 100644
--- a/radius.c
+++ b/radius.c
@@ -1,6 +1,6 @@
 // L2TPNS Radius Stuff
 
-char const *cvs_id_radius = "$Id: radius.c,v 1.12 2004/11/16 07:54:32 bodea Exp $";
+char const *cvs_id_radius = "$Id: radius.c,v 1.18 2004/11/29 02:17:18 bodea Exp $";
 
 #include <time.h>
 #include <stdio.h>
@@ -22,8 +22,9 @@ extern radiust *radius;
 extern sessiont *session;
 extern tunnelt *tunnel;
 extern u32 sessionid;
-extern struct configt *config;
+extern configt *config;
 extern int *radfds;
+extern ip_filtert *ip_filters;
 
 static const char *radius_state(int state)
 {
@@ -41,7 +42,7 @@ static 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, "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 +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, "Can't find a free radius session! This is very bad!\n");
 	return 0;
 }
 
@@ -87,13 +88,13 @@ u16 radiusnew(sessionidt s)
 	/* re-use */
 	if (r)
 	{
-		LOG(3, 0, s, session[s].tunnel, "Re-used radius %d\n", r);
+		LOG(3, 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, s, session[s].tunnel, "No free RADIUS sessions\n");
 		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.
 
-	LOG(3,0,s, session[s].tunnel, "Allocated radius %d\n", r);
+	LOG(3, s, session[s].tunnel, "Allocated radius %d\n", r);
 	return r;
 }
 
@@ -123,12 +124,12 @@ 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, 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, s, session[s].tunnel, "No RADIUS secret\n");
 		return;
 	}
 
@@ -143,9 +144,10 @@ 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",
-			r >> RADIUS_SHIFT, r & RADIUS_MASK,
-			radius_state(radius[r].state), radius[r].try);
+	LOG(4, 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)
 	{
 		if (s)
@@ -154,7 +156,7 @@ 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, s, session[s].tunnel, "RADIUS timeout, but in state %s so don't timeout session\n",
 					radius_states[state]);
 				radiusclear(r, s);
 			}
@@ -179,7 +181,7 @@ 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, "Unknown radius state %d\n", state);
 	}
 	b[1] = r >> RADIUS_SHIFT;       // identifier
 	memcpy(b + 4, radius[r].auth, 16);
@@ -380,22 +382,22 @@ void processrad(u8 *buf, int len, char socket_index)
 	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, "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, 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, 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, s, session[s].tunnel, "   Unexpected RADIUS response\n");
 		return;
 	}
 	t = session[s].tunnel;
@@ -408,34 +410,33 @@ 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, 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, 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, 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);
-				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;
 				}
 
-				LOG(3, 0, s, session[s].tunnel, "   CHAP User %s authentication %s.\n", session[s].user,
+				LOG(3, 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;
@@ -446,8 +447,7 @@ void processrad(u8 *buf, int len, char socket_index)
 			{
 				// 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 };
@@ -455,7 +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, s, session[s].tunnel, "   PAP User %s authentication %s.\n", session[s].user,
 						(*buf == 2) ? "allowed" : "denied");
 				// ack/nak
 				*p = *buf;
@@ -475,26 +475,29 @@ 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)));
+						// Framed-IP-Address
 						session[s].ip = ntohl(*(u32 *) (p + 2));
 						session[s].ip_pool_index = -1;
+						LOG(3, s, session[s].tunnel, "   Radius reply contains IP address %s\n",
+							fmtaddr(htonl(session[s].ip), 0));
 					}
 					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)));
 						session[s].dns1 = ntohl(*(u32 *) (p + 2));
+						LOG(3, s, session[s].tunnel, "   Radius reply contains primary DNS address %s\n",
+							fmtaddr(htonl(session[s].dns1), 0));
 					}
 					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)));
 						session[s].dns2 = ntohl(*(u32 *) (p + 2));
+						LOG(3, s, session[s].tunnel, "   Radius reply contains secondary DNS address %s\n",
+							fmtaddr(htonl(session[s].dns2), 0));
 					}
 					else if (*p == 22)
 					{
-						// framed-route
+						// Framed-Route
 						ipt ip = 0, mask = 0;
 						u8 u = 0;
 						u8 bits = 0;
@@ -525,39 +528,75 @@ void processrad(u8 *buf, int len, char socket_index)
 							mask = 0xFFFF0000;
 						else
 							mask = 0xFFFFFF00;
+
 						if (routes == MAXROUTE)
 						{
-							LOG(1, 0, s, session[s].tunnel, "   Too many routes\n");
+							LOG(1, 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);
-							free(ips);
-							free(masks);
+							LOG(3, s, session[s].tunnel, "   Radius reply contains route for %s/%s\n",
+								fmtaddr(htonl(ip), 0), fmtaddr(htonl(mask), 1));
+							
 							session[s].route[routes].ip = ip;
 							session[s].route[routes].mask = mask;
 							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, 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, 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, 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;
-						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, 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, 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, s, session[s].tunnel, "      Cisco-Avpair value: %s\n", avpair);
 							do {
 								value = strchr(key, '=');
 								if (!value) break;
@@ -589,7 +628,7 @@ 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, s, session[s].tunnel, "   Authentication denied for %s\n", session[s].user);
 //FIXME: We should tear down the session here!
 				break;
 			}
@@ -597,12 +636,12 @@ 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, s, t, "   Sending dns1 = %s\n", fmtaddr(config->default_dns1, 0));
 			}
 			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, s, t, "   Sending dns2 = %s\n", fmtaddr(config->default_dns2, 0));
 			}
 
 			// Valid Session, set it up
@@ -612,7 +651,7 @@ void processrad(u8 *buf, int len, char socket_index)
 		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, s, t, "   RADIUS accounting ack recv in state %s\n", radius_states[radius[r].state]);
 			break;
 		}
 	} while (0);
@@ -654,7 +693,7 @@ 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, s, session[s].tunnel, "Freeing up radius session %d\n", r);
 			break;
 	}
 }