X-Git-Url: http://git.sameswireless.fr/l2tpns.git/blobdiff_plain/14013054f38b44ed80237772299acbd405eb00c3..caeeb2635b57904e554e046815fa16ab5c3749db:/l2tpns.c

diff --git a/l2tpns.c b/l2tpns.c
index c0a60a7..a83b57d 100644
--- a/l2tpns.c
+++ b/l2tpns.c
@@ -4,7 +4,7 @@
 // Copyright (c) 2002 FireBrick (Andrews & Arnold Ltd / Watchfront Ltd) - GPL licenced
 // vim: sw=8 ts=8
 
-char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.37 2004-11-02 04:35:04 bodea Exp $";
+char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.41 2004-11-04 06:05:55 bodea Exp $";
 
 #include <arpa/inet.h>
 #include <assert.h>
@@ -23,6 +23,7 @@ char const *cvs_id_l2tpns = "$Id: l2tpns.c,v 1.37 2004-11-02 04:35:04 bodea Exp
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <ctype.h>
 #include <sys/ioctl.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
@@ -239,7 +240,7 @@ void _log(int level, ipt address, sessionidt s, tunnelidt t, const char *format,
 	va_end(ap);
 }
 
-void _log_hex(int level, ipt address, sessionidt s, tunnelidt t, const char *title, const char *data, int maxsize)
+void _log_hex(int level, const char *title, const char *data, int maxsize)
 {
 	int i, j;
 	const u8 *d = (const u8 *)data;
@@ -249,7 +250,7 @@ void _log_hex(int level, ipt address, sessionidt s, tunnelidt t, const char *tit
 	// No support for log_hex to syslog
 	if (log_stream)
 	{
-		log(level, address, s, t, "%s (%d bytes):\n", title, maxsize);
+		_log(level, 0, 0, 0, "%s (%d bytes):\n", title, maxsize);
 		setvbuf(log_stream, NULL, _IOFBF, 16384);
 
 		for (i = 0; i < maxsize; )
@@ -1003,7 +1004,7 @@ void throttle_session(sessionidt s, int rate_in, int rate_out)
 			free_tbf(session[s].tbf_out);
 
 		if (rate_out > 0)
-			session[s].tbf_out = new_tbf(s, bytes * 2, bytes, send_ipin);
+			session[s].tbf_out = new_tbf(s, bytes * 2, bytes, send_ipout);
 		else
 			session[s].tbf_out = 0;
 
@@ -1923,27 +1924,12 @@ void processudp(u8 * buf, int len, struct sockaddr_in *addr)
 		}
 		else if (prot == PPPIP)
 		{
-			if (!config->cluster_iam_master)
+			session[s].last_packet = time_now;
+			if (session[s].walled_garden && !config->cluster_iam_master)
 			{
-				// We're a slave. Should we forward this packet to the master?
-
-				// Is this a walled garden session, or something that needs it's
-				// idle time updated??
-
-				// Maintain the idle timeouts on the master. If this would
-				// significantly reset the idletimeout, run it via the master
-				// to refresh the master's idle timer.
-				// Not sure this is ideal: It may re-order packets.
-
-				if (session[s].walled_garden || (session[s].last_packet + (ECHO_TIMEOUT/2)) < time_now)
-				{
-					master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port);
-					session[s].last_packet = time_now;
-					return;
-				}
-				// fall through to processipin.
-			} else
-				session[s].last_packet = time_now;
+				master_forward_packet(buf, len, addr->sin_addr.s_addr, addr->sin_port);
+				return;
+			}
 			processipin(t, s, p, l);
 		}
 		else
@@ -2442,6 +2428,71 @@ void mainloop(void)
 	// Important!!! We MUST not process any packets past this point!
 }
 
+static void stripdomain(char *host)
+{
+	char *p;
+
+	if ((p = strchr(host, '.')))
+	{
+		char *domain = 0;
+		char _domain[1024];
+
+		// strip off domain
+		FILE *resolv = fopen("/etc/resolv.conf", "r");
+		if (resolv)
+		{
+			char buf[1024];
+			char *b;
+
+			while (fgets(buf, sizeof(buf), resolv))
+			{
+				if (strncmp(buf, "domain", 6) && strncmp(buf, "search", 6))
+					continue;
+
+				if (!isspace(buf[6]))
+					continue;
+
+				b = buf + 7;
+				while (isspace(*b)) b++;
+
+				if (*b)
+				{
+					char *d = b;
+					while (*b && !isspace(*b)) b++;
+					*b = 0;
+					if (buf[0] == 'd') // domain is canonical
+					{
+						domain = d;
+						break;
+					}
+
+					// first search line
+					if (!domain)
+					{
+						// hold, may be subsequent domain line
+						strncpy(_domain, d, sizeof(_domain))[sizeof(_domain)-1] = 0;
+						domain = _domain;
+					}
+				}
+			}
+
+			fclose(resolv);
+		}
+
+		if (domain)
+		{
+			int hl = strlen(host);
+			int dl = strlen(domain);
+			if (dl < hl && host[hl - dl - 1] == '.' && !strcmp(host + hl - dl, domain))
+				host[hl -dl - 1] = 0;
+		}
+		else
+		{
+			*p = 0; // everything after first dot
+		}
+	}
+}
+
 // Init data structures
 void initdata(int optdebug, char *optconfig)
 {
@@ -2536,10 +2587,9 @@ void initdata(int optdebug, char *optconfig)
 
 	if (!*hostname)
 	{
-		char *p;
 		// Grab my hostname unless it's been specified
 		gethostname(hostname, sizeof(hostname));
-		if ((p = strchr(hostname, '.'))) *p = 0;
+		stripdomain(hostname);
 	}
 
 	_statistics->start_time = _statistics->last_reset = time(NULL);
@@ -3523,15 +3573,14 @@ int sessionsetup(tunnelidt t, sessionidt s)
 	if (!session[s].ip || session[s].ip == 0xFFFFFFFE)
 	{
 		assign_ip_address(s);
-		if (session[s].ip)
-			log(3, 0, s, t, "   No IP allocated. Assigned %s from pool\n",
-					inet_toa(htonl(session[s].ip)));
-		else
+		if (!session[s].ip)
 		{
 			log(0, 0, s, t, "   No IP allocated. The IP address pool is FULL!\n");
 			sessionshutdown(s, "No IP addresses available");
 			return 0;
 		}
+		log(3, 0, s, t, "   No IP allocated. Assigned %s from pool\n",
+			inet_toa(htonl(session[s].ip)));
 	}