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-rw-r--r--NorthstarDLL/NorthstarDLL.vcxproj2
-rw-r--r--NorthstarDLL/NorthstarDLL.vcxproj.filters9
-rw-r--r--NorthstarDLL/scripts/client/clientchathooks.cpp28
-rw-r--r--NorthstarDLL/server/serverchathooks.cpp28
-rw-r--r--NorthstarDLL/util/utils.cpp83
-rw-r--r--NorthstarDLL/util/utils.h6
6 files changed, 104 insertions, 52 deletions
diff --git a/NorthstarDLL/NorthstarDLL.vcxproj b/NorthstarDLL/NorthstarDLL.vcxproj
index 265debf2..35062012 100644
--- a/NorthstarDLL/NorthstarDLL.vcxproj
+++ b/NorthstarDLL/NorthstarDLL.vcxproj
@@ -445,6 +445,7 @@
<ClInclude Include="squirrel\squirrelautobind.h" />
<ClInclude Include="squirrel\squirrelclasstypes.h" />
<ClInclude Include="squirrel\squirreldatatypes.h" />
+ <ClInclude Include="util\utils.h" />
<ClInclude Include="util\version.h" />
</ItemGroup>
<ItemGroup>
@@ -533,6 +534,7 @@
<ClCompile Include="squirrel\squirrelautobind.cpp" />
<ClCompile Include="util\printcommands.cpp" />
<ClCompile Include="util\printmaps.cpp" />
+ <ClCompile Include="util\utils.cpp" />
<ClCompile Include="util\version.cpp" />
</ItemGroup>
<ItemGroup>
diff --git a/NorthstarDLL/NorthstarDLL.vcxproj.filters b/NorthstarDLL/NorthstarDLL.vcxproj.filters
index 09648489..bbb0dfc0 100644
--- a/NorthstarDLL/NorthstarDLL.vcxproj.filters
+++ b/NorthstarDLL/NorthstarDLL.vcxproj.filters
@@ -1173,6 +1173,9 @@
<ClInclude Include="core\macros.h">
<Filter>Header Files\core</Filter>
</ClInclude>
+ <ClInclude Include="util\utils.h">
+ <Filter>Header Files\util</Filter>
+ </ClInclude>
</ItemGroup>
<ItemGroup>
<None Include="..\include\spdlog\fmt\bundled\LICENSE.rst">
@@ -1411,6 +1414,12 @@
<ClCompile Include="core\sourceinterface.cpp">
<Filter>Source Files\core</Filter>
</ClCompile>
+ <ClCompile Include="client\rejectconnectionfixes.cpp">
+ <Filter>Source Files</Filter>
+ </ClCompile>
+ <ClCompile Include="util\utils.cpp">
+ <Filter>Source Files\util</Filter>
+ </ClCompile>
</ItemGroup>
<ItemGroup>
<MASM Include="audio_asm.asm">
diff --git a/NorthstarDLL/scripts/client/clientchathooks.cpp b/NorthstarDLL/scripts/client/clientchathooks.cpp
index d4fa0c41..a1a9e503 100644
--- a/NorthstarDLL/scripts/client/clientchathooks.cpp
+++ b/NorthstarDLL/scripts/client/clientchathooks.cpp
@@ -1,5 +1,6 @@
#include "pch.h"
#include "squirrel/squirrel.h"
+#include "util/utils.h"
#include "server/serverchathooks.h"
#include "client/localchatwriter.h"
@@ -8,25 +9,6 @@
AUTOHOOK_INIT()
-static char* skip_valid_ansi_csi_sgr(char* str)
-{
- if (*str++ != '\x1B')
- return NULL;
- if (*str++ != '[') // CSI
- return NULL;
- for (char* c = str; *c; c++)
- {
- if (*c >= '0' && *c <= '9')
- continue;
- if (*c == ';')
- continue;
- if (*c == 'm') // SGR
- break;
- return NULL;
- }
- return str;
-}
-
// clang-format off
AUTOHOOK(CHudChat__AddGameLine, client.dll + 0x22E580,
void, __fastcall, (void* self, const char* message, int inboxId, bool isTeam, bool isDead))
@@ -49,13 +31,7 @@ void, __fastcall, (void* self, const char* message, int inboxId, bool isTeam, bo
payload = message + 1;
}
- for (char* c = const_cast<char*>(message); *c; c++)
- {
- if (*c == '\x1B' && (c = skip_valid_ansi_csi_sgr(c)))
- c--;
- else if (*c <= 9 || (*c >= 12 && *c <= 31))
- *c = ' ';
- }
+ NS::Utils::RemoveAsciiControlSequences(const_cast<char*>(message), true);
SQRESULT result = g_pSquirrel<ScriptContext::CLIENT>->Call(
"CHudChat_ProcessMessageStartThread", static_cast<int>(senderId) - 1, payload, isTeam, isDead, type);
diff --git a/NorthstarDLL/server/serverchathooks.cpp b/NorthstarDLL/server/serverchathooks.cpp
index eb0034c0..0ea3c2d2 100644
--- a/NorthstarDLL/server/serverchathooks.cpp
+++ b/NorthstarDLL/server/serverchathooks.cpp
@@ -3,6 +3,7 @@
#include "shared/exploit_fixes/ns_limits.h"
#include "squirrel/squirrel.h"
#include "server/r2server.h"
+#include "util/utils.h"
#include <rapidjson/document.h>
#include <rapidjson/stringbuffer.h>
@@ -34,38 +35,13 @@ void(__fastcall* MessageWriteByte)(int iValue);
void(__fastcall* MessageWriteString)(const char* sz);
void(__fastcall* MessageWriteBool)(bool bValue);
-static char* skip_valid_ansi_csi_sgr(char* str)
-{
- if (*str++ != '\x1B')
- return NULL;
- if (*str++ != '[') // CSI
- return NULL;
- for (char* c = str; *c; c++)
- {
- if (*c >= '0' && *c <= '9')
- continue;
- if (*c == ';')
- continue;
- if (*c == 'm') // SGR
- break;
- return NULL;
- }
- return str;
-}
-
bool bShouldCallSayTextHook = false;
// clang-format off
AUTOHOOK(_CServerGameDLL__OnReceivedSayTextMessage, server.dll + 0x1595C0,
void, __fastcall, (CServerGameDLL* self, unsigned int senderPlayerId, const char* text, bool isTeam))
// clang-format on
{
- for (char* c = const_cast<char*>(text); *c; c++)
- {
- if (*c == '\x1B' && (c = skip_valid_ansi_csi_sgr(c)))
- c--;
- else if (*c <= 9 || (*c >= 12 && *c <= 31))
- *c = ' ';
- }
+ NS::Utils::RemoveAsciiControlSequences(const_cast<char*>(text), true);
// MiniHook doesn't allow calling the base function outside of anywhere but the hook function.
// To allow bypassing the hook, isSkippingHook can be set.
diff --git a/NorthstarDLL/util/utils.cpp b/NorthstarDLL/util/utils.cpp
new file mode 100644
index 00000000..10c5b26d
--- /dev/null
+++ b/NorthstarDLL/util/utils.cpp
@@ -0,0 +1,83 @@
+#include "pch.h"
+#include <ctype.h>
+#include "utils.h"
+
+bool skip_valid_ansi_csi_sgr(char*& str)
+{
+ if (*str++ != '\x1B')
+ return false;
+ if (*str++ != '[') // CSI
+ return false;
+ for (char* c = str; *c; c++)
+ {
+ if (*c >= '0' && *c <= '9')
+ continue;
+ if (*c == ';' || *c == ':')
+ continue;
+ if (*c == 'm') // SGR
+ break;
+ return false;
+ }
+ return true;
+}
+
+void NS::Utils::RemoveAsciiControlSequences(char* str, bool allow_color_codes)
+{
+ for (char *pc = str, c = *pc; c = *pc; pc++)
+ {
+ // skip UTF-8 characters
+ int bytesToSkip = 0;
+ if ((c & 0xE0) == 0xC0)
+ bytesToSkip = 1; // skip 2-byte UTF-8 sequence
+ if ((c & 0xF0) == 0xE0)
+ bytesToSkip = 2; // skip 3-byte UTF-8 sequence
+ if ((c & 0xF8) == 0xF0)
+ bytesToSkip = 3; // skip 4-byte UTF-8 sequence
+ if ((c & 0xFC) == 0xF8)
+ bytesToSkip = 4; // skip 5-byte UTF-8 sequence
+ if ((c & 0xFE) == 0xFC)
+ bytesToSkip = 5; // skip 6-byte UTF-8 sequence
+
+ bool invalid = false;
+ char* orgpc = pc;
+ for (int i = 0; i < bytesToSkip; i++)
+ {
+ char next = pc[1];
+
+ // valid UTF-8 part
+ if ((next & 0xC0) == 0x80)
+ {
+ pc++;
+ continue;
+ }
+
+ // invalid UTF-8 part or encountered \0
+ invalid = true;
+ break;
+ }
+ if (invalid)
+ {
+ // erase the whole "UTF-8" sequence
+ for (char* x = orgpc; x <= pc; x++)
+ if (*x != '\0')
+ *x = ' ';
+ else
+ break;
+ }
+ if (bytesToSkip > 0)
+ continue; // this byte was already handled as UTF-8
+
+ // an invalid control character or an UTF-8 part outside of UTF-8 sequence
+ if ((iscntrl(c) && c != '\n' && c != '\r' && c != '\x1B') || (c & 0x80) != 0)
+ {
+ *pc = ' ';
+ continue;
+ }
+
+ if (c == '\x1B') // separate handling for this escape sequence...
+ if (allow_color_codes && skip_valid_ansi_csi_sgr(pc)) // ...which we allow for color codes...
+ pc--;
+ else // ...but remove it otherwise
+ *pc = ' ';
+ }
+}
diff --git a/NorthstarDLL/util/utils.h b/NorthstarDLL/util/utils.h
new file mode 100644
index 00000000..97b92f18
--- /dev/null
+++ b/NorthstarDLL/util/utils.h
@@ -0,0 +1,6 @@
+#pragma once
+
+namespace NS::Utils
+{
+ void RemoveAsciiControlSequences(char* str, bool allow_color_codes);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 15:27:07 +0000