don't strip newlines or

chars under ascii value 32 or over ascii value 126

.gitignore

@@ -0,0 +1,3 @@
+build/
+build/*
+obj-linux-*/*

extension.cpp

@@ -15,60 +15,111 @@ int g_iStrings = 0;
 	DETOUR_DECL_MEMBER4(Detour_LogDirect, LoggingResponse_t, LoggingChannelID_t, channelID, LoggingSeverity_t, severity, Color, color, const tchar *, pMessage)
 	{
 		for (int i = 0; i < g_iStrings; ++i)
-		if(strstr(pMessage, g_szStrings[i])!=0)
+		{
+			// make sure we're stripping at least 2 or more chars just in case we accidentally inhale a \0
+			if (strlen(g_szStrings[i]) > 1 && strstr(pMessage, g_szStrings[i]) != 0)
+			{
 				return LR_CONTINUE;
+			}
+		}
 		return DETOUR_MEMBER_CALL(Detour_LogDirect)(channelID, severity, color, pMessage);
 	}
 #else
 	DETOUR_DECL_STATIC2(Detour_DefSpew, SpewRetval_t, SpewType_t, channel, char *, text)
 	{
 		for (int i = 0; i < g_iStrings; ++i)
-		if(strstr(text, g_szStrings[i])!=0)
+		{
+			// make sure we're stripping at least 2 or more chars just in case we accidentally inhale a \0
+			if (strlen(g_szStrings[i]) > 1 && strstr(text, g_szStrings[i]) != 0)
+			{
 				return SPEW_CONTINUE;
+			}
+		}
 		return DETOUR_STATIC_CALL(Detour_DefSpew)(channel, text);
 	}
 #endif
 
+// https://stackoverflow.com/questions/10178700/c-strip-non-ascii-characters-from-string
+static bool badChar(char c)
+{
+    // everything below space excluding null term and del or above
+    return (c != 0 && (c < 32 || c > 126));
+}
+
+static void stripBadChars(std::string & str)
+{
+    // remove all chars matching our "badchar" func
+    str.erase(remove_if(str.begin(),str.end(), badChar), str.end());
+}
+
 bool Cleaner::SDK_OnLoad(char *error, size_t maxlength, bool late)
 {
 	CDetourManager::Init(g_pSM->GetScriptingEngine(), 0);
 
 	char szPath[256];
 	g_pSM->BuildPath(Path_SM, szPath, sizeof(szPath), "configs/cleaner.cfg");
+
 	FILE * file = fopen(szPath, "r");
 
 	if (file == NULL)
 	{
-		snprintf(error, maxlength, "Could not read configs/cleaner.cfg.");
+		rootconsole->ConsolePrint("[CLEANER] Could not read configs/cleaner.cfg.");
 		return false;
 	}
 
+	// step thru the file char by char and log the number of newlines we have
+	// this is more or less the number of lines we have
 	int c, lines = 0;
 	do
 	{
 		c = fgetc(file);
-		if (c == '\n') ++lines;
+		if (c == '\n')
+		{
+			++lines;
+		}
 	} while (c != EOF);
 
+	rootconsole->ConsolePrint("[CLEANER] %i lines", lines);
 	rewind(file);
 
-	int len;
 	g_szStrings = new char*[lines];
+
 	while (!feof(file))
 	{
-		g_szStrings[g_iStrings] = new char[256];
-		if (fgets(g_szStrings[g_iStrings], 255, file) != NULL)
+		g_szStrings[g_iStrings] = new char[128];
+		// fgets stops at n - 1 aka 255
+		if (fgets(g_szStrings[g_iStrings], 128, file) != NULL)
 		{
-			len = strlen(g_szStrings[g_iStrings]);
-			if(g_szStrings[g_iStrings][len-1]=='\r' || g_szStrings[g_iStrings][len-1]=='\n')
-					g_szStrings[g_iStrings][len-1]=0;
-			if(g_szStrings[g_iStrings][len-2]=='\r')
-					g_szStrings[g_iStrings][len-2]=0;
+			// make things a little easier on ourselves
+			std::string thisstring = g_szStrings[g_iStrings];
+
+			// significantly more robust way of stripping evil chars from our string so we don't crash
+			stripBadChars( thisstring );
+
+			// copy our std::string back to char*
+			char* c_thisstring = &thisstring[0];
+
+			int len = strlen(c_thisstring);
+
+			// don't strip 0 len strings
+			if (len <= 0)
+			{
+				//rootconsole->ConsolePrint("[CLEANER] Refusing to strip a string with 0 or less length - line %i", g_iStrings );
+			}
+			else
+			{
+				rootconsole->ConsolePrint("[CLEANER] Stripping string on line %i: \"%s\" - length = %i", g_iStrings+1, c_thisstring, strlen(c_thisstring));
+			}
+
+			strcpy(g_szStrings[g_iStrings], c_thisstring);
+
 			++g_iStrings;
 		}
 	}
 	fclose(file);
 
+
+	// init our detours
 	#if SOURCE_ENGINE >= SE_LEFT4DEAD2
 		#ifdef PLATFORM_WINDOWS
 			HMODULE tier0 = GetModuleHandle(TIER0_NAME);
@@ -83,7 +134,7 @@ bool Cleaner::SDK_OnLoad(char *error, size_t maxlength, bool late)
 
 		if (!fn)
 		{
-		snprintf(error, maxlength, "Failed to find signature. Please contact the author.");
+			rootconsole->ConsolePrint("[CLEANER] Failed to find signature. Please contact the author.");
 			return false;
 		}
 		#if defined SIG_LINUX_OFFSET
@@ -98,7 +149,7 @@ bool Cleaner::SDK_OnLoad(char *error, size_t maxlength, bool late)
 
 	if (g_pDetour == NULL)
 	{
-		snprintf(error, maxlength, "Failed to initialize the detours. Please contact the author.");
+		rootconsole->ConsolePrint("[CLEANER] Failed to initialize the detours. Please contact the author.");
 		return false;
 	}
 
@@ -116,7 +167,9 @@ void Cleaner::SDK_OnUnload()
 	}
 
 	for (int i = 0; i < g_iStrings; ++i)
+	{
 		delete [] g_szStrings[i];
+	}
 
 	delete [] g_szStrings;
 }

extension.h

@@ -41,6 +41,14 @@
 #include "CDetour/detours.h"
 #include <tier0/dbg.h>
 
+
+// for string manipulation
+#include <algorithm>
+#include <string>
+#include <iostream>
+#include <cctype>
+
+
 //HalfLife2.h
 #if defined _WIN32
 #define SOURCE_BIN_PREFIX ""

smsdk_config.h

@@ -40,7 +40,7 @@
 /* Basic information exposed publicly */
 #define SMEXT_CONF_NAME             "Console Cleaner"
 #define SMEXT_CONF_DESCRIPTION      "Console warning suppressor"
-#define SMEXT_CONF_VERSION		"1.2.0"
+#define SMEXT_CONF_VERSION          "1.2.1"
 #define SMEXT_CONF_AUTHOR           "Accelerator, Zephyrus"
 #define SMEXT_CONF_URL              "https://github.com/Accelerator74/Cleaner"
 #define SMEXT_CONF_LOGTAG           "Cleaner"
@@ -77,5 +77,6 @@
 //#define SMEXT_ENABLE_USERMSGS
 //#define SMEXT_ENABLE_TRANSLATOR
 //#define SMEXT_ENABLE_NINVOKE
+#define SMEXT_ENABLE_ROOTCONSOLEMENU
 
 #endif // _INCLUDE_SOURCEMOD_EXTENSION_CONFIG_H_