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do no append zero when clipping strings ( may still happen on other places)

master
UbitUmarov 2020-02-26 16:58:41 +00:00
parent 7d7fc8f06a
commit ea8eeaa307
2 changed files with 35 additions and 13 deletions
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29
OpenSim/Framework/Util.cs
View File

@ -2605,10 +2605,10 @@ namespace OpenSim.Framework
if (data.Length > MaxLength)
{
int cut = MaxLength - 1 ;
if((data[cut] & 0x80 ) != 0 )
int cut = MaxLength - 1;
if ((data[cut] & 0x80) != 0)
{
while(cut > 0 && (data[cut] & 0xc0) != 0xc0)
while (cut > 0 && (data[cut] & 0xc0) != 0xc0)
cut--;
}
Array.Resize<byte>(ref data, cut + 1);
@ -2617,6 +2617,29 @@ namespace OpenSim.Framework
return data;
}
public static byte[] StringToBytesNoTerm(string str, int MaxLength)
{
if (String.IsNullOrEmpty(str))
return Utils.EmptyBytes;
// Because this is UTF-8 encoding and not ASCII, it's possible we
// might have gotten an oversized array even after the string trim
byte[] data = UTF8.GetBytes(str);
if (data.Length > MaxLength)
{
int cut = MaxLength - 1;
if ((data[cut] & 0x80) != 0)
{
while (cut > 0 && (data[cut] & 0xc0) != 0xc0)
cut--;
}
Array.Resize<byte>(ref data, cut);
}
return data;
}
/// <summary>
/// Pretty format the hashtable contents to a single line.
/// </summary>

13
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
View File

@ -1199,7 +1199,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
if (text.Length > 1023)
text = text.Substring(0, 1023);
byte[] binText = Util.StringToBytes(text, 1023);
byte[] binText = Util.StringToBytesNoTerm(text, 1023);
World.SimChat(binText,
ChatTypeEnum.Whisper, channelID, m_host.AbsolutePosition, m_host.Name, m_host.UUID, false);
@ -1237,7 +1237,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
}
else
{
byte[] binText = Util.StringToBytes(text, 1023);
byte[] binText = Util.StringToBytesNoTerm(text, 1023);
World.SimChat(binText,
ChatTypeEnum.Say, channelID, m_host.AbsolutePosition, m_host.Name, m_host.UUID, false);
@ -1258,7 +1258,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
if (m_SayShoutCount >= 11)
ScriptSleep(2000);
byte[] binText = Util.StringToBytes(text, 1023);
byte[] binText = Util.StringToBytesNoTerm(text, 1023);
World.SimChat(binText,
ChatTypeEnum.Shout, channelID, m_host.AbsolutePosition, m_host.Name, m_host.UUID, true);
@ -1276,22 +1276,21 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
return;
}
if (text.Length > 1023)
text = text.Substring(0, 1023);
byte[] binText = Util.StringToBytesNoTerm(text, 1023);
m_host.AddScriptLPS(1);
// debug channel is also sent to avatars
if (channelID == ScriptBaseClass.DEBUG_CHANNEL)
{
World.SimChat(Utils.StringToBytes(text),
World.SimChat(binText,
ChatTypeEnum.Shout, channelID, m_host.ParentGroup.RootPart.AbsolutePosition, m_host.Name, m_host.UUID, true);
}
IWorldComm wComm = m_ScriptEngine.World.RequestModuleInterface<IWorldComm>();
if (wComm != null)
wComm.DeliverMessage(ChatTypeEnum.Region, channelID, m_host.Name, m_host.UUID, text);
wComm.DeliverMessage(ChatTypeEnum.Region, channelID, m_host.Name, m_host.UUID, Util.UTF8.GetString(binText));
}
public void llRegionSayTo(string target, int channel, string msg)