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authorMattes D <github@xoft.cz>2015-02-21 12:19:07 +0100
committerMattes D <github@xoft.cz>2015-02-21 12:19:07 +0100
commit006b1afa9e08799ffcfc8a6285b036f711a419ea (patch)
tree405124838229912c86175d8776ff877549f1b04d
parentMerge pull request #1755 from mc-server/NetworkUDP (diff)
parentAdded cCryptoHash namespace to Lua API. (diff)
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Diffstat (limited to '')
-rw-r--r--MCServer/Plugins/APIDump/APIDesc.lua24
-rw-r--r--MCServer/Plugins/Debuggers/Debuggers.lua60
-rw-r--r--MCServer/Plugins/Debuggers/Info.lua16
-rw-r--r--src/Bindings/ManualBindings.cpp109
4 files changed, 190 insertions, 19 deletions
diff --git a/MCServer/Plugins/APIDump/APIDesc.lua b/MCServer/Plugins/APIDump/APIDesc.lua
index 4c8dbd1e9..61fc69d32 100644
--- a/MCServer/Plugins/APIDump/APIDesc.lua
+++ b/MCServer/Plugins/APIDump/APIDesc.lua
@@ -685,6 +685,28 @@ end</pre>
},
}, -- cCraftingRecipe
+ cCryptoHash =
+ {
+ Desc =
+ [[
+ Provides functions for generating cryptographic hashes.</p>
+ <p>
+ Note that all functions in this class are static, so they should be called in the dot convention:
+<pre class="prettyprint lang-lua">
+local Hash = cCryptoHash.sha1HexString("DataToHash")
+</pre></p>
+ <p>Each cryptographic hash has two variants, one returns the hash as a raw binary string, the other returns the hash as a hex-encoded string twice as long as the binary string.
+ ]],
+
+ Functions =
+ {
+ md5 = { Params = "Data", Return = "string", Notes = "(STATIC) Calculates the md5 hash of the data, returns it as a raw (binary) string of 16 characters." },
+ md5HexString = { Params = "Data", Return = "string", Notes = "(STATIC) Calculates the md5 hash of the data, returns it as a hex-encoded string of 32 characters." },
+ sha1 = { Params = "Data", Return = "string", Notes = "(STATIC) Calculates the sha1 hash of the data, returns it as a raw (binary) string of 20 characters." },
+ sha1HexString = { Params = "Data", Return = "string", Notes = "(STATIC) Calculates the sha1 hash of the data, returns it as a hex-encoded string of 40 characters." },
+ },
+ }, -- cCryptoHash
+
cEnchantments =
{
Desc = [[
@@ -2929,7 +2951,7 @@ end
StringToMobType = {Params = "string", Return = "{{Globals#MobType|MobType}}", Notes = "<b>DEPRECATED!</b> Please use cMonster:StringToMobType(). Converts a string representation to a {{Globals#MobType|MobType}} enumerated value"},
StripColorCodes = {Params = "string", Return = "string", Notes = "Removes all control codes used by MC for colors and styles"},
TrimString = {Params = "string", Return = "string", Notes = "Trims whitespace at both ends of the string"},
- md5 = {Params = "string", Return = "string", Notes = "converts a string to an md5 hash"},
+ md5 = {Params = "string", Return = "string", Notes = "<b>OBSOLETE</b>, use the {{cCryptoHash}} functions instead.<br>Converts a string to a raw binary md5 hash."},
},
ConstantGroups =
{
diff --git a/MCServer/Plugins/Debuggers/Debuggers.lua b/MCServer/Plugins/Debuggers/Debuggers.lua
index a46072324..a28ffa552 100644
--- a/MCServer/Plugins/Debuggers/Debuggers.lua
+++ b/MCServer/Plugins/Debuggers/Debuggers.lua
@@ -1476,7 +1476,7 @@ function HandleWESel(a_Split, a_Player)
SelCuboid:Expand(NumBlocks, NumBlocks, 0, 0, NumBlocks, NumBlocks)
-- Set the selection:
- local IsSuccess = cPluginManager:CallPlugin("WorldEdit", "SetPlayerCuboidSelection", a_Player, SelCuboid)
+ IsSuccess = cPluginManager:CallPlugin("WorldEdit", "SetPlayerCuboidSelection", a_Player, SelCuboid)
if not(IsSuccess) then
a_Player:SendMessage(cCompositeChat():SetMessageType(mtFailure):AddTextPart("Cannot adjust selection, WorldEdit reported failure while setting new selection"))
return true
@@ -1606,17 +1606,36 @@ end
-function HandleConsoleSchedule(a_Split)
- local prev = os.clock()
- LOG("Scheduling a task for 2 seconds in the future (current os.clock is " .. prev .. ")")
- cRoot:Get():GetDefaultWorld():ScheduleTask(40,
- function ()
- local current = os.clock()
- local diff = current - prev
- LOG("Scheduled function is called. Current os.clock is " .. current .. ", difference is " .. diff .. ")")
- end
- )
- return true, "Task scheduled"
+-- List of hashing functions to test:
+local HashFunctions =
+{
+ {"md5", md5 },
+ {"cCryptoHash.md5", cCryptoHash.md5 },
+ {"cCryptoHash.md5HexString", cCryptoHash.md5HexString },
+ {"cCryptoHash.sha1", cCryptoHash.sha1 },
+ {"cCryptoHash.sha1HexString", cCryptoHash.sha1HexString },
+}
+
+-- List of strings to try hashing:
+local HashExamples =
+{
+ "",
+ "\0",
+ "test",
+}
+
+function HandleConsoleHash(a_Split)
+ for _, str in ipairs(HashExamples) do
+ LOG("Hashing string \"" .. str .. "\":")
+ for _, hash in ipairs(HashFunctions) do
+ if not(hash[2]) then
+ LOG("Hash function " .. hash[1] .. " doesn't exist in the API!")
+ else
+ LOG(hash[1] .. "() = " .. hash[2](str))
+ end
+ end -- for hash - HashFunctions[]
+ end -- for str - HashExamples[]
+ return true
end
@@ -1704,3 +1723,20 @@ end
+
+function HandleConsoleSchedule(a_Split)
+ local prev = os.clock()
+ LOG("Scheduling a task for 2 seconds in the future (current os.clock is " .. prev .. ")")
+ cRoot:Get():GetDefaultWorld():ScheduleTask(40,
+ function ()
+ local current = os.clock()
+ local diff = current - prev
+ LOG("Scheduled function is called. Current os.clock is " .. current .. ", difference is " .. diff .. ")")
+ end
+ )
+ return true, "Task scheduled"
+end
+
+
+
+
diff --git a/MCServer/Plugins/Debuggers/Info.lua b/MCServer/Plugins/Debuggers/Info.lua
index b96ef3de5..63a4b9177 100644
--- a/MCServer/Plugins/Debuggers/Info.lua
+++ b/MCServer/Plugins/Debuggers/Info.lua
@@ -200,21 +200,29 @@ g_PluginInfo =
ConsoleCommands =
{
- ["sched"] =
+ ["hash"] =
{
- Handler = HandleConsoleSchedule,
- HelpString = "Tests the world scheduling",
+ Handler = HandleConsoleHash,
+ HelpString = "Tests the crypto hashing functions",
},
+
["loadchunk"] =
{
Handler = HandleConsoleLoadChunk,
HelpString = "Loads the specified chunk into memory",
},
+
["preparechunk"] =
{
Handler = HandleConsolePrepareChunk,
HelpString = "Prepares the specified chunk completely (load / gen / light)",
- }
+ },
+
+ ["sched"] =
+ {
+ Handler = HandleConsoleSchedule,
+ HelpString = "Tests the world scheduling",
+ },
}, -- ConsoleCommands
} -- g_PluginInfo
diff --git a/src/Bindings/ManualBindings.cpp b/src/Bindings/ManualBindings.cpp
index 30bce6525..69d16ac2b 100644
--- a/src/Bindings/ManualBindings.cpp
+++ b/src/Bindings/ManualBindings.cpp
@@ -3,8 +3,11 @@
#include "ManualBindings.h"
#undef TOLUA_TEMPLATE_BIND
+#include <sstream>
+#include <iomanip>
#include "tolua++/include/tolua++.h"
#include "polarssl/md5.h"
+#include "polarssl/sha1.h"
#include "PluginLua.h"
#include "PluginManager.h"
#include "LuaWindow.h"
@@ -2203,11 +2206,16 @@ static int tolua_cPlugin_Call(lua_State * tolua_S)
-static int tolua_md5(lua_State* tolua_S)
+static int tolua_md5(lua_State * tolua_S)
{
+ // Calculate the raw md5 checksum byte array:
unsigned char Output[16];
size_t len = 0;
const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+ if (SourceString == nullptr)
+ {
+ return 0;
+ }
md5(SourceString, len, Output);
lua_pushlstring(tolua_S, (const char *)Output, ARRAYCOUNT(Output));
return 1;
@@ -2217,6 +2225,91 @@ static int tolua_md5(lua_State* tolua_S)
+/** Does the same as tolua_md5, but reports that the usage is obsolete and the plugin should use cCrypto.md5(). */
+static int tolua_md5_obsolete(lua_State * tolua_S)
+{
+ LOGWARNING("Using md5() is obsolete, please change your plugin to use cCryptoHash.md5()");
+ cLuaState::LogStackTrace(tolua_S);
+ return tolua_md5(tolua_S);
+}
+
+
+
+
+
+static int tolua_md5HexString(lua_State * tolua_S)
+{
+ // Calculate the raw md5 checksum byte array:
+ unsigned char md5Output[16];
+ size_t len = 0;
+ const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+ if (SourceString == nullptr)
+ {
+ return 0;
+ }
+ md5(SourceString, len, md5Output);
+
+ // Convert the md5 checksum to hex string:
+ std::stringstream Output;
+ Output << std::hex << std::setw(2) << std::setfill('0');
+ for (size_t i = 0; i < ARRAYCOUNT(md5Output); i++)
+ {
+ Output << static_cast<unsigned short>(md5Output[i]); // Need to cast to a number, otherwise a char is output
+ }
+ lua_pushlstring(tolua_S, Output.str().c_str(), Output.str().size());
+ return 1;
+}
+
+
+
+
+
+static int tolua_sha1(lua_State * tolua_S)
+{
+ // Calculate the raw SHA1 checksum byte array from the input string:
+ unsigned char Output[20];
+ size_t len = 0;
+ const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+ if (SourceString == nullptr)
+ {
+ return 0;
+ }
+ sha1(SourceString, len, Output);
+ lua_pushlstring(tolua_S, (const char *)Output, ARRAYCOUNT(Output));
+ return 1;
+}
+
+
+
+
+
+static int tolua_sha1HexString(lua_State * tolua_S)
+{
+ // Calculate the raw SHA1 checksum byte array from the input string:
+ unsigned char sha1Output[20];
+ size_t len = 0;
+ const unsigned char * SourceString = (const unsigned char *)lua_tolstring(tolua_S, 1, &len);
+ if (SourceString == nullptr)
+ {
+ return 0;
+ }
+ sha1(SourceString, len, sha1Output);
+
+ // Convert the sha1 checksum to hex string:
+ std::stringstream Output;
+ Output << std::hex << std::setw(2) << std::setfill('0');
+ for (size_t i = 0; i < ARRAYCOUNT(sha1Output); i++)
+ {
+ Output << static_cast<unsigned short>(sha1Output[i]); // Need to cast to a number, otherwise a char is output
+ }
+ lua_pushlstring(tolua_S, Output.str().c_str(), Output.str().size());
+ return 1;
+}
+
+
+
+
+
static int tolua_push_StringStringMap(lua_State* tolua_S, std::map< std::string, std::string >& a_StringStringMap)
{
lua_newtable(tolua_S);
@@ -3419,6 +3512,12 @@ static int tolua_cCompositeChat_UnderlineUrls(lua_State * tolua_S)
void ManualBindings::Bind(lua_State * tolua_S)
{
tolua_beginmodule(tolua_S, nullptr);
+
+ // Create the new classes:
+ tolua_usertype(tolua_S, "cCryptoHash");
+ tolua_cclass(tolua_S, "cCryptoHash", "cCryptoHash", "", nullptr);
+
+ // Globals:
tolua_function(tolua_S, "Clamp", tolua_Clamp);
tolua_function(tolua_S, "StringSplit", tolua_StringSplit);
tolua_function(tolua_S, "StringSplitAndTrim", tolua_StringSplitAndTrim);
@@ -3429,6 +3528,7 @@ void ManualBindings::Bind(lua_State * tolua_S)
tolua_function(tolua_S, "LOGERROR", tolua_LOGERROR);
tolua_function(tolua_S, "Base64Encode", tolua_Base64Encode);
tolua_function(tolua_S, "Base64Decode", tolua_Base64Decode);
+ tolua_function(tolua_S, "md5", tolua_md5_obsolete); // OBSOLETE, use cCryptoHash.md5() instead
tolua_beginmodule(tolua_S, "cFile");
tolua_function(tolua_S, "GetFolderContents", tolua_cFile_GetFolderContents);
@@ -3585,7 +3685,12 @@ void ManualBindings::Bind(lua_State * tolua_S)
tolua_function(tolua_S, "GetSlotCoords", Lua_ItemGrid_GetSlotCoords);
tolua_endmodule(tolua_S);
- tolua_function(tolua_S, "md5", tolua_md5);
+ tolua_beginmodule(tolua_S, "cCryptoHash");
+ tolua_function(tolua_S, "md5", tolua_md5);
+ tolua_function(tolua_S, "md5HexString", tolua_md5HexString);
+ tolua_function(tolua_S, "sha1", tolua_sha1);
+ tolua_function(tolua_S, "sha1HexString", tolua_sha1HexString);
+ tolua_endmodule(tolua_S);
BindRankManager(tolua_S);
BindNetwork(tolua_S);