Better error checking when creating hyperlinks: a) Reject invalid strings; b) Default port is 80, not 0

The change of default port may fix http://opensimulator.org/mantis/view.php?id=7108 , where a user was able to create a Hyperlink to OSGrid from inside OSGrid.
0.8.0.3
Oren Hurvitz 2014-04-13 11:51:47 +03:00
parent c8914d22eb
commit e1dd228f18
1 changed files with 36 additions and 17 deletions

View File

@ -202,18 +202,27 @@ namespace OpenSim.Services.GridService
if (!mapName.StartsWith("http"))
{
string host = "127.0.0.1";
string portstr;
// Formats: grid.example.com:8002:region name
// grid.example.com:region name
// grid.example.com
string host;
uint port = 80;
string regionName = "";
uint port = 0;
string[] parts = mapName.Split(new char[] { ':' });
if (parts.Length >= 1)
if (parts.Length == 0)
{
host = parts[0];
reason = "Wrong format for link-region";
return null;
}
host = parts[0];
if (parts.Length >= 2)
{
portstr = parts[1];
string portstr = parts[1];
//m_log.Debug("-- port = " + portstr);
if (!UInt32.TryParse(portstr, out port))
regionName = parts[1];
@ -234,13 +243,22 @@ namespace OpenSim.Services.GridService
}
else
{
string[] parts = mapName.Split(new char[] {' '});
string regionName = String.Empty;
if (parts.Length > 1)
// Formats: http://grid.example.com region name
// http://grid.example.com "region name"
string regionName;
string[] parts = mapName.Split(new char[] { ' ' });
if (parts.Length < 2)
{
reason = "Wrong format for link-region";
return null;
}
regionName = mapName.Substring(parts[0].Length + 1);
regionName = regionName.Trim(new char[] {'"'});
}
if (TryCreateLink(scopeID, xloc, yloc, regionName, 0, null, parts[0], ownerID, out regInfo, out reason))
{
regInfo.RegionName = mapName;
@ -258,7 +276,7 @@ namespace OpenSim.Services.GridService
public bool TryCreateLink(UUID scopeID, int xloc, int yloc, string remoteRegionName, uint externalPort, string externalHostName, string serverURI, UUID ownerID, out GridRegion regInfo, out string reason)
{
m_log.DebugFormat("[HYPERGRID LINKER]: Link to {0} {1}, in {2}-{3}",
m_log.InfoFormat("[HYPERGRID LINKER]: Link to {0} {1}, in {2}-{3}",
((serverURI == null) ? (externalHostName + ":" + externalPort) : serverURI),
remoteRegionName, Util.WorldToRegionLoc((uint)xloc), Util.WorldToRegionLoc((uint)yloc));
@ -266,15 +284,15 @@ namespace OpenSim.Services.GridService
Uri uri = null;
regInfo = new GridRegion();
if ( externalPort > 0)
if (externalPort > 0)
regInfo.HttpPort = externalPort;
else
regInfo.HttpPort = 0;
if ( externalHostName != null)
regInfo.HttpPort = 80;
if (externalHostName != null)
regInfo.ExternalHostName = externalHostName;
else
regInfo.ExternalHostName = "0.0.0.0";
if ( serverURI != null)
if (serverURI != null)
{
regInfo.ServerURI = serverURI;
try
@ -286,7 +304,7 @@ namespace OpenSim.Services.GridService
catch {}
}
if ( remoteRegionName != string.Empty )
if (remoteRegionName != string.Empty)
regInfo.RegionName = remoteRegionName;
regInfo.RegionLocX = xloc;
@ -299,6 +317,7 @@ namespace OpenSim.Services.GridService
{
if (regInfo.ExternalHostName == m_ThisGatekeeperURI.Host && regInfo.HttpPort == m_ThisGatekeeperURI.Port)
{
m_log.InfoFormat("[HYPERGRID LINKER]: Cannot hyperlink to regions on the same grid");
reason = "Cannot hyperlink to regions on the same grid";
return false;
}