Merging over from /nmap-exp/kris/assert-testing

Ensuring the safety of assert() calls by keeping NDEBUG undefined throughout
Nmap, Nbase and Nsock.

I've tested this on Linux and Windows XP without problems.  On Windows I've
removed the definitions of _DEBUG and NDEBUG from the *.vcproj files.

CHANGELOG

@@ -1,5 +1,9 @@
 # Nmap Changelog ($Id$); -*-text-*-
 
+o Since assert() calls are used for various security-related tests,
+  their safety is now ensured by keeping NDEBUG undefined throughout
+  Nmap, Nbase and Nsock. [Kris]
+
 Nmap 4.62 [5/3/08]
 
 o Added a new --min-rate option that allows specifying a minimum rate

NmapOutputTable.h

@@ -102,7 +102,7 @@
 #ifndef NMAPOUTPUTTABLE_H
 #define NMAPOUTPUTTABLE_H
 
-#include <assert.h>
+#include "nmap.h"
 
 #ifndef __attribute__
 #define __attribute__(args)

libdnet-stripped/libdnet-stripped.vcproj

@@ -43,7 +43,7 @@
 				AdditionalOptions="/D "_CRT_SECURE_NO_DEPRECATE""
 				Optimization="0"
 				AdditionalIncludeDirectories="include;"..\mswin32\pcap-include""
-				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;_LIB"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
@@ -108,7 +108,7 @@
 				Name="VCCLCompilerTool"
 				AdditionalOptions="/D "_CRT_SECURE_NO_DEPRECATE""
 				AdditionalIncludeDirectories="include;"..\mswin32\pcap-include""
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;_LIB"
 				RuntimeLibrary="0"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"

liblua/liblua.vcproj

@@ -42,7 +42,7 @@
 				UseUnicodeResponseFiles="false"
 				AdditionalOptions="/D "_CRT_SECURE_NO_DEPRECATE""
 				Optimization="0"
-				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;_LIB"
 				MinimalRebuild="true"
 				ExceptionHandling="0"
 				BasicRuntimeChecks="0"
@@ -114,7 +114,7 @@
 				UseUnicodeResponseFiles="false"
 				AdditionalOptions="/D "_CRT_SECURE_NO_DEPRECATE""
 				WholeProgramOptimization="false"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;_LIB"
 				MinimalRebuild="false"
 				ExceptionHandling="0"
 				BasicRuntimeChecks="0"

libpcre/libpcre.vcproj

@@ -40,7 +40,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				PreprocessorDefinitions="WIN32;_DEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;_LIB"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
@@ -104,7 +104,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				PreprocessorDefinitions="WIN32;NDEBUG;_LIB"
+				PreprocessorDefinitions="WIN32;_LIB"
 				RuntimeLibrary="0"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"

mswin32/nmap.vcproj

@@ -45,7 +45,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\liblua;.;..;../nbase;../libpcre;winip;..\nsock\include;"pcap-include";"..\libdnet-stripped\include""
-				PreprocessorDefinitions="_DEBUG;WIN32;_CONSOLE"
+				PreprocessorDefinitions="WIN32;_CONSOLE"
 				BasicRuntimeChecks="3"
 				RuntimeLibrary="1"
 				UsePrecompiledHeader="0"
@@ -61,11 +61,6 @@
 			<Tool
 				Name="VCManagedResourceCompilerTool"
 			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="_DEBUG"
-				Culture="1033"
-			/>
 			<Tool
 				Name="VCPreLinkEventTool"
 			/>
@@ -142,7 +137,7 @@
 				Optimization="2"
 				InlineFunctionExpansion="1"
 				AdditionalIncludeDirectories=".;..;../liblua;../nbase;../libpcre;winip;..\nsock\include;&quot;pcap-include&quot;;&quot;..\libdnet-stripped\include&quot;"
-				PreprocessorDefinitions="NDEBUG;WIN32;_CONSOLE"
+				PreprocessorDefinitions="WIN32;_CONSOLE"
 				StringPooling="true"
 				RuntimeLibrary="0"
 				EnableFunctionLevelLinking="true"
@@ -157,11 +152,6 @@
 			<Tool
 				Name="VCManagedResourceCompilerTool"
 			/>
-			<Tool
-				Name="VCResourceCompilerTool"
-				PreprocessorDefinitions="NDEBUG"
-				Culture="1033"
-			/>
 			<Tool
 				Name="VCPreLinkEventTool"
 			/>

nmap.h

@@ -227,6 +227,9 @@ void *realloc();
 #include <arpa/inet.h>
 #endif
 
+/* Keep assert() defined for security reasons */
+#undef NDEBUG
+
 #include <math.h>
 #include <assert.h>
 

nselib-bin/nse_bitlib.vcproj

@@ -40,7 +40,7 @@
 				Name="VCCLCompilerTool"
 				Optimization="0"
 				AdditionalIncludeDirectories="..\liblua"
-				PreprocessorDefinitions="WIN32;_DEBUG;_WINDOWS;_USRDLL;NSE_BITLIB_EXPORTS;WIN32;LUA_BUILD_AS_DLL;LUA_LIB"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_USRDLL;NSE_BITLIB_EXPORTS;WIN32;LUA_BUILD_AS_DLL;LUA_LIB"
 				MinimalRebuild="false"
 				ExceptionHandling="0"
 				BasicRuntimeChecks="0"
@@ -120,7 +120,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				AdditionalIncludeDirectories="..\liblua"
-				PreprocessorDefinitions="WIN32;NDEBUG;_WINDOWS;_USRDLL;NSE_BITLIB_EXPORTS;WIN32;LUA_BUILD_AS_DLL;LUA_LIB"
+				PreprocessorDefinitions="WIN32;_WINDOWS;_USRDLL;NSE_BITLIB_EXPORTS;WIN32;LUA_BUILD_AS_DLL;LUA_LIB"
 				RuntimeLibrary="2"
 				UsePrecompiledHeader="0"
 				WarningLevel="3"

service_scan.cc

@@ -132,10 +132,6 @@
 namespace std {};
 using namespace std;
 
-// Because this file uses assert()s for some security checking, we can't
-// have anyone turning off debugging.
-#undef NDEBUG
-
 extern NmapOps o;
 
 // Details on a particular service (open port) we are trying to match

utils.h

@@ -108,6 +108,7 @@
 #include <string.h>
 #include <errno.h>
 #include <ctype.h>
+#include "nmap.h"
 #ifdef WIN32
 #include "mswin32\winclude.h"
 #else
@@ -117,7 +118,6 @@
 #include <netinet/in.h>
 #endif
 
-#include <assert.h>
 #include <sys/mman.h>
 #include "nmap_config.h"
 #endif
@@ -140,7 +140,6 @@
 #include "nbase.h"
 
 #include "nmap_error.h"
-#include "nmap.h"
 #include "global_structures.h"
 
 /* Arithmatic difference modulo 2^32 */