initial checkin

Check in contents of upstream 1.4.2 tarball, exclude generated files.

1 files changed, 114 insertions, 0 deletions

diff --git a/src/sockets/interfaces.cpp b/src/sockets/interfaces.cpp
new file mode 100644
index 0000000..293c48d
--- /dev/null
+++ b/src/sockets/interfaces.cpp
@@ -0,0 +1,114 @@
+/*
+    Copyright (C) 2005-2009  Michel de Boer <michel@twinklephone.com>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include <cstring>
+
+#include "interfaces.h"
+#include "url.h"
+
+using namespace std;
+
+t_interface::t_interface(string _name) : name(_name) {}
+
+string t_interface::get_ip_addr(void) const {
+	return inet_ntoa(address);
+}
+
+string t_interface::get_ip_netmask(void) const {
+	return inet_ntoa(netmask);
+}
+
+list <t_interface> *get_interfaces(bool include_loopback) {
+    	struct ifaddrs *ifa, *ifaddrs;
+    	struct sockaddr_in *sin;
+	t_interface *intf;
+
+	list<t_interface> *result = new list<t_interface>;
+
+    	if (getifaddrs(&ifaddrs)) {
+		// No interfaces found
+		return result;
+    	}
+
+    	for (ifa = ifaddrs; ifa ; ifa = ifa -> ifa_next) {
+		// Skip interface without address
+		// Skip interfaces marked DOWN and LOOPBACK.
+		if (ifa->ifa_addr == NULL || !(ifa->ifa_flags & IFF_UP) ||
+	    	    ((ifa->ifa_flags & IFF_LOOPBACK) && !include_loopback)) {
+	    		continue;
+		}
+
+		// Add the interface to the list if it has an IP4 address
+		switch(ifa->ifa_addr->sa_family) {
+	    	case AF_INET:
+			intf = new t_interface(ifa->ifa_name);
+			sin = (struct sockaddr_in *)ifa->ifa_addr;
+			memcpy(&intf->address, &sin->sin_addr,
+			       sizeof(struct in_addr));
+			sin = (struct sockaddr_in *)ifa->ifa_netmask;
+			memcpy(&intf->netmask, &sin->sin_addr,
+		    	       sizeof(struct in_addr));
+
+			result->push_back(*intf);
+			delete intf;
+			break;
+		}
+    	}
+
+    	freeifaddrs(ifaddrs);
+
+	return result;
+}
+
+bool exists_interface(const string &hostname) {
+	struct hostent *h;
+
+	h = gethostbyname(hostname.c_str());
+	if (h == NULL) return false;
+	string ipaddr = inet_ntoa(*((struct in_addr *)h->h_addr));
+
+	list<t_interface> *l = get_interfaces(true);
+	
+	for (list<t_interface>::iterator i = l->begin(); i != l->end(); i++) {
+		if (i->get_ip_addr() == ipaddr) {
+			delete l;
+			return true;
+		}
+	}
+	
+	delete l;
+	return false;
+}
+
+
+
+bool exists_interface_dev(const string &devname, string &ip_address) {
+
+	list<t_interface> *l = get_interfaces(true);
+	
+	for (list<t_interface>::iterator i = l->begin(); i != l->end(); i++) {
+	  if (i->name == devname) {
+	    ip_address = i->get_ip_addr();
+	    delete l;
+	    return true;
+	  }
+	}
+	
+	delete l;
+	return false;
+}