Merge branch 'master' into iodine-0.5

CHANGELOG

@@ -5,6 +5,11 @@ iodine - http://code.kryo.se/iodine
 
 CHANGES:
 
+2009-06-01: 0.5.2 "WifiFree"
+	- Fixed client segfault on OS X, #57
+	- Added check that nameserver lookup was successful
+	- Fixed ENOTSOCK error on OS X and FreeBSD, #58.
+
 2009-03-21: 0.5.1 "Boringo"
 	- Added initial Windows support, fixes #43.
 	- Added length check of autoprobe responses

src/iodine.c

@@ -231,7 +231,7 @@ tunnel_tun(int tun_fd, int dns_fd)
 	unsigned long inlen;
 	char out[64*1024];
 	char in[64*1024];
-	size_t read;
+	ssize_t read;
 
 	if ((read = read_tun(tun_fd, in, sizeof(in))) <= 0)
 		return -1;
@@ -1100,7 +1100,12 @@ main(int argc, char **argv)
 		/* NOTREACHED */
 	}
 
-	set_nameserver(nameserv_addr);
+	if (nameserv_addr) {
+		set_nameserver(nameserv_addr);
+	} else {
+		usage();
+		/* NOTREACHED */
+	}	
 
 	if(strlen(topdomain) <= 128) {
 		if(check_topdomain(topdomain)) {

src/tun.c

@@ -360,7 +360,8 @@ read_tun(int tun_fd, char *buf, size_t len)
 #if defined (FREEBSD) || defined (DARWIN) || defined(NETBSD) || defined(WINDOWS32)
 	/* FreeBSD/Darwin/NetBSD has no header */
 	int bytes;
-	bytes = recv(tun_fd, buf + 4, len, 0);
+	memset(buf, 0, 4);
+	bytes = read(tun_fd, buf + 4, len - 4);
 	if (bytes < 0) {
 		return bytes;
 	} else {