From 75e19b2ff35d6b42fe83e7200d3675d81e43ecc1 Mon Sep 17 00:00:00 2001
From: brain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>
Date: Fri, 20 May 2005 21:52:25 +0000
Subject: [PATCH] *** empty log message ***

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@1466 e03df62e-2008-0410-955e-edbf42e46eb7
---
 .Makefile.inc                 |  5 +-
 configure                     | 79 +++++++++++++++++++++++++-----
 include/dynamic.h             | 16 ++++++-
 src/dynamic.cpp               | 90 +++++++++++++++++++++++++++--------
 src/inspircd.cpp              | 10 ++++
 src/modules/m_chanprotect.cpp |  8 ++--
 6 files changed, 167 insertions(+), 41 deletions(-)

diff --git a/.Makefile.inc b/.Makefile.inc
index f7a0ba484..4cd07e5d0 100644
--- a/.Makefile.inc
+++ b/.Makefile.inc
@@ -17,9 +17,10 @@ MODPATH = @MODULE_DIR@
 BINPATH = @BINARY_DIR@
 LIBPATH = @LIBRARY_DIR@
 MODULES = @MODULES@
-MAKEARGS = 'PROGS=${PROGS}' 'FLAGS=${FLAGS}' 'CC=${CC}' 'LDLIBS=${LDLIBS}' 'MODULES=${MODULES}' 'MODPATH=$(MODPATH)' 'LIBPATH=$(LIBPATH)'
+STATICLIBS = @STATICLIBS@
+MAKEARGS = 'PROGS=${PROGS}' 'FLAGS=${FLAGS}' 'CC=${CC}' 'LDLIBS=${LDLIBS}' 'MODULES=${MODULES}' 'MODPATH=${MODPATH}' 'LIBPATH=${LIBPATH}' 'STATICLIBS=${STATICLIBS}'
 
-all : ircd mods config bininst
+all : @MAKEORDER@
 
 mods:
 	${MAKE} -C src/modules DIRNAME="src/modules" $(MAKEARGS)
diff --git a/configure b/configure
index 30cf348cf..597e581b6 100755
--- a/configure
+++ b/configure
@@ -29,11 +29,14 @@ $config{MAXI_MODES}         = "20";                             		# Default Max.
 $config{HAS_STRLCPY}        = "false";                          		# strlcpy Check.
 $config{USE_KQUEUE}         = "y";						# kqueue enabled
 $config{USE_EPOLL}          = "y";						# epoll enabled
+$config{STATIC_LINK}	    = "no";
 chomp($config{MAX_CLIENT_T} = `sh -c \"ulimit -n\"`);           		# FD Limit
 chomp($config{GCCVER}       = `gcc -dumpversion | cut -c 1`);   		# Major GCC Version
 chomp($config{GCC34}        = `gcc -dumpversion | cut -c 3`);   		# Minor GCC Version
 chomp($config{OSNAME}       = `/bin/uname`);                      		# Operating System Name
 $config{CC} 		    = "g++";						# C++ compiler
+$config{MAKEORDER}	    = "ircd mods config bininst";
+$config{STATICLIBS}         = "";
 
 if ((!$config{OSNAME}) || ($config{OSNAME} eq "")) {
   chomp($config{OSNAME} = `/usr/bin/uname`);
@@ -292,7 +295,8 @@ print "\033[0mMax channel length:\033[1;32m\t\t$config{CHAN_LENGT}\n";
 print "\033[0mMax mode length:\033[1;32m\t\t$config{MAXI_MODES}\n";
 print "\033[0mGCC Version Found:\033[1;32m\t\t$config{GCCVER}.$config{GCC34}\n";
 print "\033[0mOptimatizaton Flag:\033[1;32m\t\t$config{OPTIMISATI}\033[0m\n";
-print "\033[0mCompiler program:\033[1;32m\t\t$config{CC}\033[0m\n\n";
+print "\033[0mCompiler program:\033[1;32m\t\t$config{CC}\033[0m\n";
+print "\033[0mStatic modules:\033[1;32m\t\t\t$config{STATIC_LINK}\033[0m\n\n";
 
 makecache();
 writefiles();
@@ -412,6 +416,9 @@ sub getosflags {
        $config{FLAGS}  = "-frtti $OPTIMISATI -Woverloaded-virtual $config{OPTIMISATI}";
        $config{LDLIBS} = "";
        $config{MAKEPROG} = "/usr/bin/make";
+       $config{MAKEORDER} = "mods ircd config bininst";
+       $config{STATICLIBS} = "modules/mods.a";
+       $config{STATIC_LINK} = "yes";
     }
   }
   if ($config{OSNAME} =~ /SunOS/) {
@@ -442,7 +449,10 @@ sub getmodules {
   foreach $name (sort readdir(DIRHANDLE)) {
     if ($name =~ /^m_(.+)\.cpp$/)
     {
-      $modlist[$i++] = $1;
+      $mod = $1;
+      if ($mod !~ /_static$/) {
+	      $modlist[$i++] = $mod;
+      }
     }
   }
   closedir(DIRHANDLE);
@@ -475,6 +485,9 @@ EOF
   if ($config{OSNAME} =~ /SunOS/) {
     print FILEHANDLE "#define IS_SOLARIS\n";
   }
+  if ($config{STATIC_LINK} eq "yes") {
+    print FILEHANDLE "#define STATIC_LINK\n";
+  }
   if ($config{GCCVER} > 3) {
     print FILEHANDLE "#define GCC3\n";
     print FILEHANDLE "#define GCC34\n";
@@ -553,6 +566,8 @@ EOF
       $tmp =~ s/\@LIBRARY_DIR\@/$config{LIBRARY_DIR}/;
       $tmp =~ s/\@MODULES\@/$modules/;
       $tmp =~ s/\@EXECUTABLE\@/$exe/;
+      $tmp =~ s/\@MAKEORDER\@/$config{MAKEORDER}/;
+      $tmp =~ s/\@STATICLIBS\@/$config{STATICLIBS}/;
 
       print "Writing \033[1;32m$file\033[0m\n";
       open(FILEHANDLE, ">$file");
@@ -573,6 +588,7 @@ EOF
 	write_dynamic_makefile();
   }
 
+
   # Modules Makefile..
   print "Writing \033[1;32msrc/modules/Makefile\033[0m\n";
   open(FILEHANDLE, ">src/modules/Makefile");
@@ -592,18 +608,50 @@ EOF
   # Create a Modules List..
   my $modules = "";
   my $flags = "";
+  if ($config{OSNAME} =~ /CYGWIN/) {
+     open(MODLIST,">include/modlist.h");
+     print MODLIST <<HEADER;
+// Generated automatically by configure. DO NOT EDIT!
+
+#ifndef __SYMBOLS__H_CONFIGURED__
+#define __SYMBOLS__H_CONFIGURED__
+
+HEADER
+     foreach $i (@modlist) {
+	if ($i !~ /_static$/) {
+	        print MODLIST "extern \"C\" void * $i\_init (void);\n";
+	}
+     }
+     print MODLIST "\nstruct {const char *name; initfunc *value; } modsyms[] = {\n";
+  }
   foreach $i (@modlist)
   {
-    $flags = getcompilerflags("src/modules/m_".$i.".cpp");
-    if ($config{OSNAME} =~ /CYGWIN/) {
-       print FILEHANDLE <<EOCHEESE;
-m_$i.o: m_$i.cpp ../../include/modules.h ../../include/users.h ../../include/channels.h ../../include/servers.h ../../include/base.h
-	\$(CC) -pipe -I../../include \$(FLAGS) $flags -export-dynamic -c m_$i.cpp
+    if ($i !~ /_static$/) {
+     $flags = getcompilerflags("src/modules/m_".$i.".cpp");
+     if ($config{OSNAME} =~ /CYGWIN/) {
+        print FILEHANDLE <<EOCHEESE;
+m_$i.o: m_$i\_static.cpp ../../include/modules.h ../../include/users.h ../../include/channels.h ../../include/servers.h ../../include/base.h
+	\$(CC) -pipe -I../../include \$(FLAGS) $flags -export-dynamic -c m_$i\_static.cpp
+	mv m_$i\_static.o ../m_$i.o
 
 EOCHEESE
-    }
-    else {
-        print FILEHANDLE <<EOCHEESE;
+        print "Configuring module [\033[1;32mm_$i.so\033[0m] for static linking... ";
+        open(MODULE,"<src/modules/m_".$i.".cpp") or die("Could not open m_".$i.".cpp");
+        open(MUNGED,">src/modules/m_".$i."_static.cpp") or die("Could not create m_".$i."_static.cpp");
+        while (chomp($a = <MODULE>)) { 
+		$a =~ s/init_module/$i\_init/g;
+		$a =~ s/Srv/$i\Srv/g;
+		print MUNGED "$a\n";
+        }
+        close(MODULE);
+        close(MUNGED);
+        print MODLIST <<EOENT;
+{"m_$i.so",\&$i\_init},
+EOENT
+        print "done\n";
+     }
+     else {
+         print FILEHANDLE <<EOCHEESE;
 m_$i.so: m_$i.cpp ../../include/modules.h ../../include/users.h ../../include/channels.h ../../include/servers.h ../../include/base.h
 	\$(CC) -pipe -I../../include \$(FLAGS) $flags -export-dynamic -c m_$i.cpp
 	\$(CC) \$(FLAGS) -shared $flags -o m_$i.so m_$i.o
@@ -611,7 +659,12 @@ m_$i.so: m_$i.cpp ../../include/modules.h ../../include/users.h ../../include/ch
 	chmod 0700 \$(MODPATH)/m_$i.so
 
 EOCHEESE
-     }
+      }
+   }
+  }
+  if ($config{OSNAME} =~ /CYGWIN/) {
+     print MODLIST "{0}};\n\n#endif\n";
+     close(MODLIST);
   }
 }
 
@@ -673,10 +726,10 @@ CC = im a cheezeball
 
 CXXFLAGS = -I../include \${FLAGS}
 
-all: hashcomp.o channels.o mode.o xline.o inspstring.o dns.o base.o inspircd_util.o inspircd_io.o connection.o message.o commands.o dnsqueue.o dynamic.o users.o modules.o wildcard.o servers.o helperfuncs.o inspircd.exe
+all: hashcomp.o channels.o mode.o xline.o inspstring.o dns.o base.o inspircd_util.o inspircd_io.o connection.o message.o commands.o dnsqueue.o dynamic.o users.o modules.o wildcard.o servers.o helperfuncs.o \$(MODULES) inspircd.exe
 
 inspircd.exe: inspircd.cpp ../include/base.h ../include/channels.h ../include/inspircd.h ../include/channels.h ../include/globals.h ../include/inspircd_config.h
-	\$(CC) -I../include \$(FLAGS) inspircd.cpp -o inspircd.exe \$(LDLIBS) channels.o mode.o xline.o inspstring.o dns.o base.o inspircd_util.o inspircd_io.o connection.o message.o commands.o dnsqueue.o dynamic.o users.o modules.o wildcard.o servers.o helperfuncs.o hashcomp.o
+	\$(CC) -I../include \$(FLAGS) inspircd.cpp -o inspircd.exe \$(LDLIBS) channels.o mode.o xline.o inspstring.o dns.o base.o inspircd_util.o inspircd_io.o connection.o message.o commands.o dnsqueue.o dynamic.o users.o modules.o wildcard.o servers.o helperfuncs.o hashcomp.o \$(MODULES)
 
 hashcomp.o: hashcomp.cpp ../include/base.h ../include/hashcomp.h ../include/inspircd.h ../include/users.h ../include/globals.h ../include/inspircd_config.h
 	\$(CC) -pipe -I../include \$(FLAGS) -export-dynamic -c hashcomp.cpp
diff --git a/include/dynamic.h b/include/dynamic.h
index 987f5de72..47963b828 100644
--- a/include/dynamic.h
+++ b/include/dynamic.h
@@ -18,6 +18,9 @@
 #ifndef __DLL_H
 #define __DLL_H
 
+typedef void * (initfunc) (void);
+
+#include "inspircd_config.h"
 
 class DLLManager
 {
@@ -26,7 +29,11 @@ class DLLManager
 	virtual ~DLLManager();
 
 
+#ifdef STATIC_LINK
+	bool GetSymbol( initfunc* &v, const char *sym_name );
+#else
 	bool GetSymbol( void **, const char *sym_name );
+#endif
 
 	const char *LastError() 
 	{
@@ -35,7 +42,10 @@ class DLLManager
 	
  protected:
 	void *h;
-	const char *err;
+	char *err;
+#ifdef STATIC_LINK
+	char staticname[1024];
+#endif
 };
 
 
@@ -44,7 +54,11 @@ class DLLFactoryBase : public DLLManager
  public:
 	DLLFactoryBase(const char *fname, const char *func_name = 0);
 	virtual ~DLLFactoryBase();
+#ifdef STATIC_LINK
+	initfunc *factory_func;
+#else
 	void * (*factory_func)(void);	
+#endif
 };
 
 
diff --git a/src/dynamic.cpp b/src/dynamic.cpp
index cc7aeb0b9..2e787f341 100644
--- a/src/dynamic.cpp
+++ b/src/dynamic.cpp
@@ -17,66 +17,114 @@
 using namespace std;
 
 #include "globals.h"
-#include <dlfcn.h>
+#include "inspircd_config.h"
 #include "dynamic.h"
+
+#ifndef STATIC_LINK
+#include <dlfcn.h>
+#else
+#include "modlist.h"
+#endif
+
 #include "inspstring.h"
 #include "helperfuncs.h"
 
 DLLManager::DLLManager(const char *fname)
 {
+#ifdef STATIC_LINK
+	this->staticname[0] = '\0';
+	log(DEBUG,"Loading core-compiled module '%s'",fname);
+	for (int j = 0; modsyms[j].name; j++)
+	{
+		log(DEBUG,"Check %s",modsyms[j].name);
+		if (!strcmp(modsyms[j].name,fname))
+		{
+			log(DEBUG,"Found %s",fname);
+			strlcpy(this->staticname,fname,1020);
+			err = 0;
+			return;
+		}
+	}
+	err = "Module is not statically compiled into the ircd";
+#else
     // Try to open the library now and get any error message.
 	
-	h=dlopen( fname, RTLD_NOW );
-	err=dlerror();
+	h = dlopen( fname, RTLD_NOW );
+	err = dlerror();
+#endif
 }
 
 DLLManager::~DLLManager()
 {
+#ifndef STATIC_LINK
 	// close the library if it isn't null
-	if (h!=0)
-    	dlclose(h);
+	if (h != 0)
+	dlclose(h);
+#endif
+}
+
+
+
+#ifdef STATIC_LINK
+
+bool DLLManager::GetSymbol(initfunc* &v, const char *sym_name)
+{
+	log(DEBUG,"Symbol search...");
+	for (int j = 0; modsyms[j].name; j++)
+	{
+		if (!strcmp(this->staticname,modsyms[j].name))
+		{
+			log(DEBUG,"Loading symbol...");
+			v = modsyms[j].value;
+			err = 0;
+			return true;
+		}
+	}
+	err = "Module symbol missing from the core";
+	return false;
 }
 
+#else
 
 bool DLLManager::GetSymbol(void **v, const char *sym_name)
 {
 	// try extract a symbol from the library
 	// get any error message is there is any
 	
-	if( h!=0 )
+	if(h != 0)
 	{
 		*v = dlsym( h, sym_name );
-    	err=dlerror();
-	    if( err==0 )
-       	  return true;
-    	else
-    	  return false;
+		err = dlerror();
+		if( err == 0 )
+			return true;
+	    	else
+			return false;
 	}
 	else
 	{	
-        return false;
+		return false;
 	}
-	
 }
 
+#endif
 
 DLLFactoryBase::DLLFactoryBase(const char *fname, const char *factory) : DLLManager(fname)
 {
 	// try get the factory function if there is no error yet
 	
-	factory_func=0;
+	factory_func = 0;
 	
-	if( LastError()==0 )
-	{		
-    	GetSymbol( (void **)&factory_func, factory ? factory : "init_module" );
+	if(LastError() == 0)
+	{
+#ifdef STATIC_LINK
+		GetSymbol( factory_func, factory ? factory : "init_module" );
+#else
+		GetSymbol( (void **)&factory_func, factory ? factory : "init_module" );
+#endif
 	}
-	
 }
 
 
 DLLFactoryBase::~DLLFactoryBase()
 {
 }
-
-
-
diff --git a/src/inspircd.cpp b/src/inspircd.cpp
index 9f5a0e69c..4e6e0f86c 100644
--- a/src/inspircd.cpp
+++ b/src/inspircd.cpp
@@ -2440,17 +2440,25 @@ bool UnloadModule(const char* filename)
 bool LoadModule(const char* filename)
 {
 	char modfile[MAXBUF];
+#ifdef STATIC_LINK
+	snprintf(modfile,MAXBUF,"%s",filename);
+#else
 	snprintf(modfile,MAXBUF,"%s/%s",ModPath,filename);
+#endif
 	std::string filename_str = filename;
+#ifndef STATIC_LINK
 	if (!DirValid(modfile))
 	{
 		log(DEFAULT,"Module %s is not within the modules directory.",modfile);
 		snprintf(MODERR,MAXBUF,"Module %s is not within the modules directory.",modfile);
 		return false;
 	}
+#endif
 	log(DEBUG,"Loading module: %s",modfile);
+#ifndef STATIC_LINK
         if (FileExists(modfile))
         {
+#endif
 		for (int j = 0; j < module_names.size(); j++)
 		{
 			if (module_names[j] == filename_str)
@@ -2483,6 +2491,7 @@ bool LoadModule(const char* filename)
 			snprintf(MODERR,MAXBUF,"Factory function failed!");
 			return false;
                 }
+#ifndef STATIC_LINK
         }
         else
         {
@@ -2490,6 +2499,7 @@ bool LoadModule(const char* filename)
 		snprintf(MODERR,MAXBUF,"Module file could not be found");
 		return false;
         }
+#endif
 	MODCOUNT++;
 	return true;
 }
diff --git a/src/modules/m_chanprotect.cpp b/src/modules/m_chanprotect.cpp
index 6314cca94..7155e1355 100644
--- a/src/modules/m_chanprotect.cpp
+++ b/src/modules/m_chanprotect.cpp
@@ -24,7 +24,7 @@ using namespace std;
 
 /* $ModDesc: Provides channel modes +a and +q */
 
-char dummyvalue[] = "on";
+char fakevalue[] = "on";
 
 class ModuleChanProtect : public Module
 {
@@ -107,7 +107,7 @@ class ModuleChanProtect : public Module
 				// this way is best as it adds data thats accessible to other modules
 				// (so long as you document your code properly) without breaking anything
 				// because its encapsulated neatly in a map.
-				if (user->Extend("cm_founder_"+std::string(channel->name),dummyvalue))
+				if (user->Extend("cm_founder_"+std::string(channel->name),fakevalue))
 				{
 					Srv->Log(DEBUG,"Marked user "+std::string(user->nick)+" as founder for "+std::string(channel->name));
 				}
@@ -222,7 +222,7 @@ class ModuleChanProtect : public Module
    				{
    					if (!theuser->GetExt("cm_founder_"+std::string(chan->name)))
    					{
-						theuser->Extend("cm_founder_"+std::string(chan->name),dummyvalue);
+						theuser->Extend("cm_founder_"+std::string(chan->name),fakevalue);
 						return 1;
 					}
 				}
@@ -265,7 +265,7 @@ class ModuleChanProtect : public Module
    				{
    					if (!theuser->GetExt("cm_protect_"+std::string(chan->name)))
    					{
-						theuser->Extend("cm_protect_"+std::string(chan->name),dummyvalue);
+						theuser->Extend("cm_protect_"+std::string(chan->name),fakevalue);
 						return 1;
 					}
 				}
-- 
2.39.5