Attachment #149029 for bug #194660




// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Net.Sockets;

		void ParseRouteInfo (string iface)
		{
			try {
				gateways = new IPAddressCollection ();
				if (File.Exists ("/proc/net/route")) {
					using (StreamReader reader = new StreamReader ("/proc/net/route")) {
						string line;
						reader.ReadLine (); // Ignore first line
						while ((line = reader.ReadLine ()) != null) {
							line = line.Trim ();
							if (line.Length == 0)
								continue;

							string [] parts = line.Split ('\t');
							if (parts.Length < 3)
								continue;
							string gw_address = parts [2].Trim ();
							byte [] ipbytes = new byte [4];
							if (gw_address.Length == 8 && iface.Equals (parts [0], StringComparison.OrdinalIgnoreCase)) {
								for (int i = 0; i < 4; i++) {
									if (!Byte.TryParse (gw_address.Substring (i * 2, 2), NumberStyles.HexNumber, null, out ipbytes [3 - i]))
										continue;
								}
								IPAddress ip = new IPAddress (ipbytes);
								if (!ip.Equals (IPAddress.Any))
									gateways.Add (ip);
							}
						}
					}
				} else {
					ProcessStartInfo ps = new ProcessStartInfo ("netstat", "-rnW");
					ps.UseShellExecute = false;
					ps.RedirectStandardOutput = true;
					using (Process p = Process.Start (ps)) {
						string line;
						int iface_part = 0;
						int gw_part = 0;
						while ((line = p.StandardOutput.ReadLine ()) != null) {
							line = line.Trim ();
							if (line.Length == 0)
								continue;

							string [] parts = line.Split (new char[0], StringSplitOptions.RemoveEmptyEntries);
							if (parts.Length < 6)
								continue;

							if (iface_part == gw_part) {
								for (int i = 0; i < parts.Length; i++) {
									if (parts[i].Equals ("gateway", StringComparison.OrdinalIgnoreCase))
										gw_part = i;
									if (parts[i].Equals ("netif", StringComparison.OrdinalIgnoreCase))
										iface_part = i;
								}
							}

							if (iface.Equals (parts [iface_part], StringComparison.OrdinalIgnoreCase)) {
								IPAddress ip;
								if (IPAddress.TryParse (parts [gw_part], out ip)) {
									if (!ip.Equals (IPAddress.Any))
										gateways.Add (ip);
								}
							}
						}
						p.WaitForExit ();
					}
				}
			} catch {

Return to bug 194660

Lines 27-32 Link Here

(-)mcs/class/System/System.Net.NetworkInformation/IPInterfaceProperties.cs (-22 / +61 lines)
27	// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.	27	// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28	//	28	//
29	using System.Collections.Generic;	29	using System.Collections.Generic;
		30	using System.Diagnostics;
30	using System.Globalization;	31	using System.Globalization;
31	using System.IO;	32	using System.IO;
32	using System.Net.Sockets;	33	using System.Net.Sockets;
Lines 77-105 Link Here
77	void ParseRouteInfo (string iface)	78	void ParseRouteInfo (string iface)
78	{	79	{
79	try {	80	try {
80	gateways = new IPAddressCollection ();	81	gateways = new IPAddressCollection ();
81	using (StreamReader reader = new StreamReader ("/proc/net/route")) {	82	if (File.Exists ("/proc/net/route")) {
82	string line;	83	using (StreamReader reader = new StreamReader ("/proc/net/route")) {
83	reader.ReadLine (); // Ignore first line	84	string line;
84	while ((line = reader.ReadLine ()) != null) {	85	reader.ReadLine (); // Ignore first line
85	line = line.Trim ();	86	while ((line = reader.ReadLine ()) != null) {
86	if (line.Length == 0)	87	line = line.Trim ();
87	continue;	88	if (line.Length == 0)
88		89	continue;
89	string [] parts = line.Split ('\t');	90
90	if (parts.Length < 3)	91	string [] parts = line.Split ('\t');
91	continue;	92	if (parts.Length < 3)
92	string gw_address = parts [2].Trim ();	93	continue;
93	byte [] ipbytes = new byte [4];	94	string gw_address = parts [2].Trim ();
94	if (gw_address.Length == 8 && iface.Equals (parts [0], StringComparison.OrdinalIgnoreCase)) {	95	byte [] ipbytes = new byte [4];
95	for (int i = 0; i < 4; i++) {	96	if (gw_address.Length == 8 && iface.Equals (parts [0], StringComparison.OrdinalIgnoreCase)) {
96	if (!Byte.TryParse (gw_address.Substring (i * 2, 2), NumberStyles.HexNumber, null, out ipbytes [3 - i]))	97	for (int i = 0; i < 4; i++) {
97	continue;	98	if (!Byte.TryParse (gw_address.Substring (i * 2, 2), NumberStyles.HexNumber, null, out ipbytes [3 - i]))
98	}	99	continue;
99	IPAddress ip = new IPAddress (ipbytes);	100	}
100	if (!ip.Equals (IPAddress.Any))	101	IPAddress ip = new IPAddress (ipbytes);
101	gateways.Add (ip);	102	if (!ip.Equals (IPAddress.Any))
102	}	103	gateways.Add (ip);
		104	}
		105	}
		106	}
		107	} else {
		108	ProcessStartInfo ps = new ProcessStartInfo ("netstat", "-rnW");
		109	ps.UseShellExecute = false;
		110	ps.RedirectStandardOutput = true;
		111	using (Process p = Process.Start (ps)) {
		112	string line;
		113	int iface_part = 0;
		114	int gw_part = 0;
		115	while ((line = p.StandardOutput.ReadLine ()) != null) {
		116	line = line.Trim ();
		117	if (line.Length == 0)
		118	continue;
		119
		120	string [] parts = line.Split (new char[0], StringSplitOptions.RemoveEmptyEntries);
		121	if (parts.Length < 6)
		122	continue;
		123
		124	if (iface_part == gw_part) {
		125	for (int i = 0; i < parts.Length; i++) {
		126	if (parts[i].Equals ("gateway", StringComparison.OrdinalIgnoreCase))
		127	gw_part = i;
		128	if (parts[i].Equals ("netif", StringComparison.OrdinalIgnoreCase))
		129	iface_part = i;
		130	}
		131	}
		132
		133	if (iface.Equals (parts [iface_part], StringComparison.OrdinalIgnoreCase)) {
		134	IPAddress ip;
		135	if (IPAddress.TryParse (parts [gw_part], out ip)) {
		136	if (!ip.Equals (IPAddress.Any))
		137	gateways.Add (ip);
		138	}
		139	}
		140	}
		141	p.WaitForExit ();
103	}	142	}
104	}	143	}
105	} catch {	144	} catch {