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change OSSL functions allow control code. Behavior should stat pretty much the same. Some help testing, please

0.9.1.0-post-fixes
UbitUmarov 2019-10-16 12:24:07 +01:00
parent d79d7e228a
commit 0e3f24a67e
2 changed files with 121 additions and 72 deletions
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4
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
View File

@ -12899,8 +12899,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
public LSL_Key llRequestSimulatorData(string simulator, int data)
{
IOSSL_Api ossl = (IOSSL_Api)m_ScriptEngine.GetApi(m_item.ItemID, "OSSL");
try
{
m_host.AddScriptLPS(1);
@ -12980,8 +12978,6 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
reply = "UNKNOWN";
break;
case ScriptBaseClass.DATA_SIM_RELEASE:
if (ossl != null)
ossl.CheckThreatLevel(ThreatLevel.High, "llRequestSimulatorData");
reply = "OpenSim";
break;
default:

165
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/OSSL_Api.cs
View File

@ -112,18 +112,31 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
// modification of user data, or allows the compromise of
// sensitive data by design.
// flags functions threat control
public enum AllowedControlFlags : int
{
NONE = 0,
PARCEL_OWNER = 1,
PARCEL_GROUP_MEMBER = 1 << 1,
ESTATE_MANAGER = 1 << 2,
ESTATE_OWNER = 1 << 3,
ACTIVE_GOD = 1 << 4,
GOD = 1 << 5,
GRID_GOD = 1 << 6,
// internal
THREATLEVEL = 1 << 28,
OWNERUUID = 1 << 29,
CREATORUUID = 1 << 30,
//int thingie = 1 << 31,
ALL = 0x0FFFFFFF
}
class FunctionPerms
{
public List<UUID> AllowedCreators;
public List<UUID> AllowedOwners;
public List<string> AllowedOwnerClasses;
public FunctionPerms()
{
AllowedCreators = new List<UUID>();
AllowedOwners = new List<UUID>();
AllowedOwnerClasses = new List<string>();
}
public AllowedControlFlags AllowedControl = AllowedControlFlags.NONE;
}
[Serializable]
@ -311,102 +324,141 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
throw new ScriptException("OSSL Permission Error: " + reasonWhyNot);
}
}
// Check to see if function is allowed. Returns an empty string if function permitted
// or a string explaining why this function can't be used.
private string CheckThreatLevelTest(ThreatLevel level, string function)
{
if (!m_FunctionPerms.ContainsKey(function))
FunctionPerms perms;
if (!m_FunctionPerms.TryGetValue(function, out perms))
{
FunctionPerms perms = new FunctionPerms();
perms = new FunctionPerms();
m_FunctionPerms[function] = perms;
string ownerPerm = m_osslconfig.GetString("Allow_" + function, "");
string creatorPerm = m_osslconfig.GetString("Creators_" + function, "");
if (ownerPerm == "" && creatorPerm == "")
if (string.IsNullOrWhiteSpace(ownerPerm) && string.IsNullOrWhiteSpace(creatorPerm))
{
// Default behavior
perms.AllowedOwners = null;
perms.AllowedCreators = null;
perms.AllowedOwnerClasses = null;
// Default Threat level check
perms.AllowedControl = AllowedControlFlags.THREATLEVEL;
}
else
{
bool allowed;
if (bool.TryParse(ownerPerm, out allowed))
if (bool.TryParse(ownerPerm, out bool allowed))
{
// Boolean given
if (allowed)
{
// Allow globally
perms.AllowedOwners.Add(UUID.Zero);
perms.AllowedControl = AllowedControlFlags.ALL;
}
// false is fallback
}
else
{
string[] ids = ownerPerm.Split(new char[] {','});
string[] ids;
if (!string.IsNullOrWhiteSpace(ownerPerm))
{
ids = ownerPerm.Split(new char[] {','});
foreach (string id in ids)
{
string current = id.Trim();
if (current.ToUpper() == "PARCEL_GROUP_MEMBER" || current.ToUpper() == "PARCEL_OWNER" || current.ToUpper() == "ESTATE_MANAGER" || current.ToUpper() == "ESTATE_OWNER" || current.ToUpper() == "ACTIVE_GOD" || current.ToUpper() == "GRID_GOD" || current.ToUpper() == "GOD")
current = current.ToUpper();
switch(current)
{
if (!perms.AllowedOwnerClasses.Contains(current))
perms.AllowedOwnerClasses.Add(current.ToUpper());
}
else
case "":
break;
case "PARCEL_OWNER":
perms.AllowedControl |= AllowedControlFlags.PARCEL_OWNER;
break;
case "PARCEL_GROUP_MEMBER":
perms.AllowedControl |= AllowedControlFlags.PARCEL_GROUP_MEMBER;
break;
case "ESTATE_MANAGER":
perms.AllowedControl |= AllowedControlFlags.ESTATE_MANAGER;
break;
case "ESTATE_OWNER":
perms.AllowedControl |= AllowedControlFlags.ESTATE_OWNER;
break;
case "ACTIVE_GOD":
perms.AllowedControl |= AllowedControlFlags.ACTIVE_GOD;
break;
case "GOD":
perms.AllowedControl |= AllowedControlFlags.GOD;
break;
case "GRID_GOD":
perms.AllowedControl |= AllowedControlFlags.GRID_GOD;
break;
default:
{
UUID uuid;
if (UUID.TryParse(current, out uuid))
if (UUID.TryParse(current, out UUID uuid))
{
if (uuid != UUID.Zero)
{
if (perms.AllowedOwners == null)
perms.AllowedOwners = new List<UUID>();
perms.AllowedControl |= AllowedControlFlags.OWNERUUID;
perms.AllowedOwners.Add(uuid);
}
}
else
{
m_log.WarnFormat("[OSSLENABLE]: error parsing line {0}", ownerPerm);
}
break;
}
}
}
}
if (!string.IsNullOrWhiteSpace(creatorPerm))
{
ids = creatorPerm.Split(new char[] {','});
foreach (string id in ids)
{
string current = id.Trim();
UUID uuid;
if (UUID.TryParse(current, out uuid))
if (UUID.TryParse(current, out UUID uuid))
{
if (uuid != UUID.Zero)
{
if (perms.AllowedCreators == null)
perms.AllowedCreators = new List<UUID>();
perms.AllowedControl |= AllowedControlFlags.CREATORUUID;
perms.AllowedCreators.Add(uuid);
}
}
else
{
m_log.WarnFormat("[OSSLENABLE]: error parsing line {0}", creatorPerm);
}
}
}
// both empty fallback as disabled
}
}
}
// If the list is null, then the value was true / undefined
// Threat level governs permissions in this case
//
// If the list is non-null, then it is a list of UUIDs allowed
// to use that particular function. False causes an empty
// list and therefore means "no one"
//
// To allow use by anyone, the list contains UUID.Zero
//
if (m_FunctionPerms[function].AllowedOwners == null)
AllowedControlFlags functionControl = perms.AllowedControl;
if (functionControl == AllowedControlFlags.THREATLEVEL)
{
// Allow / disallow by threat level
if (level > m_MaxThreatLevel)
if (level <= m_MaxThreatLevel)
return String.Empty;
return String.Format(
"{0} permission denied. Allowed threat level is {1} but function threat level is {2}.",
function, m_MaxThreatLevel, level);
}
if(m_FunctionPerms[function].AllowedOwners.Count == 0 && m_FunctionPerms[function].AllowedCreators.Count == 0)
if (functionControl == 0)
return String.Format("{0} disabled in region configuration", function);
if (m_FunctionPerms[function].AllowedOwners.Contains(UUID.Zero)) // always allowed
if (functionControl == AllowedControlFlags.ALL)
return String.Empty;
if (m_FunctionPerms[function].AllowedOwners.Contains(m_host.OwnerID))
if (((functionControl & AllowedControlFlags.OWNERUUID) != 0) && perms.AllowedOwners.Contains(m_host.OwnerID))
{
// prim owner is in the list of allowed owners
return String.Empty;
@ -414,11 +466,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
UUID ownerID = m_item.OwnerID;
//Only Parcelowners may use the function
if (m_FunctionPerms[function].AllowedOwnerClasses.Contains("PARCEL_OWNER"))
if ((functionControl & AllowedControlFlags.PARCEL_OWNER) != 0)
{
ILandObject land = World.LandChannel.GetLandObject(m_host.AbsolutePosition);
if (land.LandData.OwnerID == ownerID)
{
return String.Empty;
@ -426,10 +476,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
//OSSL only may be used if object is in the same group as the parcel
if (m_FunctionPerms[function].AllowedOwnerClasses.Contains("PARCEL_GROUP_MEMBER"))
if ((functionControl & AllowedControlFlags.PARCEL_GROUP_MEMBER) != 0)
{
ILandObject land = World.LandChannel.GetLandObject(m_host.AbsolutePosition);
if (land.LandData.GroupID == m_item.GroupID && land.LandData.GroupID != UUID.Zero)
{
return String.Empty;
@ -437,7 +486,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
//Only Estate Managers may use the function
if (m_FunctionPerms[function].AllowedOwnerClasses.Contains("ESTATE_MANAGER"))
if ((functionControl & AllowedControlFlags.ESTATE_MANAGER) != 0)
{
//Only Estate Managers may use the function
if (World.RegionInfo.EstateSettings.IsEstateManagerOrOwner(ownerID) && World.RegionInfo.EstateSettings.EstateOwner != ownerID)
@ -447,7 +496,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
//Only regionowners may use the function
if (m_FunctionPerms[function].AllowedOwnerClasses.Contains("ESTATE_OWNER"))
if ((functionControl & AllowedControlFlags.ESTATE_OWNER) != 0)
{
if (World.RegionInfo.EstateSettings.EstateOwner == ownerID)
{
@ -456,7 +505,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
//Only grid gods may use the function
if (m_FunctionPerms[function].AllowedOwnerClasses.Contains("GRID_GOD"))
if ((functionControl & AllowedControlFlags.GRID_GOD) != 0)
{
if (World.Permissions.IsGridGod(ownerID))
{
@ -465,7 +514,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
//Any god may use the function
if (m_FunctionPerms[function].AllowedOwnerClasses.Contains("GOD"))
if ((functionControl & AllowedControlFlags.GOD) != 0)
{
if (World.Permissions.IsAdministrator(ownerID))
{
@ -474,7 +523,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
//Only active gods may use the function
if (m_FunctionPerms[function].AllowedOwnerClasses.Contains("ACTIVE_GOD"))
if ((functionControl & AllowedControlFlags.ACTIVE_GOD) != 0)
{
ScenePresence sp = World.GetScenePresence(ownerID);
if (sp != null && !sp.IsDeleted && sp.IsGod)
@ -483,7 +532,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
}
if (!m_FunctionPerms[function].AllowedCreators.Contains(m_item.CreatorID))
// else if no creators its denied
if((functionControl & AllowedControlFlags.CREATORUUID) == 0)
return String.Format("{0} permission denied.", function);
if (!perms.AllowedCreators.Contains(m_item.CreatorID))
return(
String.Format("{0} permission denied. Script creator is not in the list of users allowed to execute this function and prim owner also has no permission.",
function));