OPENSSL_Applink update.

11 files changed, 259 insertions, 152 deletions

diff --git a/apps/req.c b/apps/req.c
index 764ef2906f..511be7de74 100644
--- a/apps/req.c
+++ b/apps/req.c
@@ -79,7 +79,6 @@
 #include <openssl/x509v3.h>
 #include <openssl/objects.h>
 #include <openssl/pem.h>
-#include "../crypto/cryptlib.h"
 
 #define SECTION		"req"
 
diff --git a/crypto/bio/b_dump.c b/crypto/bio/b_dump.c
index a07b79437f..c80ecc4295 100644
--- a/crypto/bio/b_dump.c
+++ b/crypto/bio/b_dump.c
@@ -62,7 +62,7 @@
 
 #include <stdio.h>
 #include "cryptlib.h"
-#include <openssl/bio.h>
+#include "bio_lcl.h"
 
 #define TRUNCATE
 #define DUMP_WIDTH	16
@@ -160,7 +160,7 @@ int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
 #ifndef OPENSSL_NO_FP_API
 static int write_fp(const void *data, size_t len, void *fp)
 	{
-	return fwrite(data, len, 1, (FILE *)fp);
+	return UP_fwrite(data, len, 1, fp);
 	}
 int BIO_dump_fp(FILE *fp, const char *s, int len)
 	{
diff --git a/crypto/bio/bio.h b/crypto/bio/bio.h
index 13817925aa..7f49ccbe9d 100644
--- a/crypto/bio/bio.h
+++ b/crypto/bio/bio.h
@@ -169,6 +169,11 @@ extern "C" {
 #define BIO_FLAGS_IO_SPECIAL	0x04
 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
 #define BIO_FLAGS_SHOULD_RETRY	0x08
+#ifndef	BIO_FLAGS_UPLINK
+/* "UPLINK" flag denotes file descriptors provided by application.
+   It defaults to 0, as most platforms don't require UPLINK interface. */
+#define	BIO_FLAGS_UPLINK	0
+#endif
 
 /* Used in BIO_gethostbyname() */
 #define BIO_GHBN_CTRL_HITS		1
diff --git a/crypto/bio/bio_lcl.h b/crypto/bio/bio_lcl.h
new file mode 100644
index 0000000000..dba2919d43
--- /dev/null
+++ b/crypto/bio/bio_lcl.h
@@ -0,0 +1,28 @@
+#include <openssl/bio.h>
+
+#if BIO_FLAGS_UPLINK==0
+/* Shortcut UPLINK calls on most platforms... */
+#define	UP_stdin	stdin
+#define	UP_stdout	stdout
+#define	UP_stderr	stderr
+#define	UP_fprintf	fprintf
+#define	UP_fgets	fgets
+#define	UP_fread	fread
+#define	UP_fwrite	fwrite
+#undef	UP_fsetmod
+#define	UP_feof		feof
+#define	UP_fclose	fclose
+
+#define	UP_fopen	fopen
+#define	UP_fseek	fseek
+#define	UP_ftell	ftell
+#define	UP_fflush	fflush
+#define	UP_ferror	ferror
+#define	UP_fileno	fileno
+
+#define	UP_open		open
+#define	UP_read		read
+#define	UP_write	write
+#define	UP_lseek	lseek
+#define	UP_close	close
+#endif
diff --git a/crypto/bio/bss_fd.c b/crypto/bio/bss_fd.c
index 5e3e187de6..4c229bf641 100644
--- a/crypto/bio/bss_fd.c
+++ b/crypto/bio/bss_fd.c
@@ -60,7 +60,19 @@
 #include <errno.h>
 #define USE_SOCKETS
 #include "cryptlib.h"
-#include <openssl/bio.h>
+/*
+ * As for unconditional usage of "UPLINK" interface in this module.
+ * Trouble is that unlike Unix file descriptors [which are indexes
+ * in kernel-side per-process table], corresponding descriptors on
+ * platforms which require "UPLINK" interface seem to be indexes
+ * in a user-land, non-global table. Well, in fact they are indexes
+ * in stdio _iob[], and recall that _iob[] was the very reason why
+ * "UPLINK" interface was introduced in first place. But one way on
+ * another. Neither libcrypto or libssl use this BIO meaning that
+ * file descriptors can only be provided by application. Therefore
+ * "UPLINK" calls are due...
+ */
+#include "bio_lcl.h"
 
 static int fd_write(BIO *h, const char *buf, int num);
 static int fd_read(BIO *h, char *buf, int size);
@@ -100,9 +112,9 @@ BIO *BIO_new_fd(int fd,int close_flag)
 static int fd_new(BIO *bi)
 	{
 	bi->init=0;
-	bi->num=0;
+	bi->num=-1;
 	bi->ptr=NULL;
-	bi->flags=0;
+	bi->flags=BIO_FLAGS_UPLINK; /* essentially redundant */
 	return(1);
 	}
 
@@ -113,10 +125,10 @@ static int fd_free(BIO *a)
 		{
 		if (a->init)
 			{
-			close(a->num);
+			UP_close(a->num);
 			}
 		a->init=0;
-		a->flags=0;
+		a->flags=BIO_FLAGS_UPLINK;
 		}
 	return(1);
 	}
@@ -128,7 +140,7 @@ static int fd_read(BIO *b, char *out,int outl)
 	if (out != NULL)
 		{
 		clear_sys_error();
-		ret=read(b->num,out,outl);
+		ret=UP_read(b->num,out,outl);
 		BIO_clear_retry_flags(b);
 		if (ret <= 0)
 			{
@@ -143,7 +155,7 @@ static int fd_write(BIO *b, const char *in, int inl)
 	{
 	int ret;
 	clear_sys_error();
-	ret=write(b->num,in,inl);
+	ret=UP_write(b->num,in,inl);
 	BIO_clear_retry_flags(b);
 	if (ret <= 0)
 		{
@@ -163,11 +175,11 @@ static long fd_ctrl(BIO *b, int cmd, long num, void *ptr)
 	case BIO_CTRL_RESET:
 		num=0;
 	case BIO_C_FILE_SEEK:
-		ret=(long)lseek(b->num,num,0);
+		ret=(long)UP_lseek(b->num,num,0);
 		break;
 	case BIO_C_FILE_TELL:
 	case BIO_CTRL_INFO:
-		ret=(long)lseek(b->num,0,1);
+		ret=(long)UP_lseek(b->num,0,1);
 		break;
 	case BIO_C_SET_FD:
 		fd_free(b);
diff --git a/crypto/bio/bss_file.c b/crypto/bio/bss_file.c
index 764b7f8372..c97ac14651 100644
--- a/crypto/bio/bss_file.c
+++ b/crypto/bio/bss_file.c
@@ -68,7 +68,7 @@
 #include <stdio.h>
 #include <errno.h>
 #include "cryptlib.h"
-#include <openssl/bio.h>
+#include "bio_lcl.h"
 #include <openssl/err.h>
 
 #if !defined(OPENSSL_NO_STDIO)
@@ -112,6 +112,7 @@ BIO *BIO_new_file(const char *filename, const char *mode)
 	if ((ret=BIO_new(BIO_s_file_internal())) == NULL)
 		return(NULL);
 
+	BIO_clear_flags(ret,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */
 	BIO_set_fp(ret,file,BIO_CLOSE);
 	return(ret);
 	}
@@ -123,6 +124,7 @@ BIO *BIO_new_fp(FILE *stream, int close_flag)
 	if ((ret=BIO_new(BIO_s_file())) == NULL)
 		return(NULL);
 
+	BIO_set_flags(ret,BIO_FLAGS_UPLINK); /* redundant, left for documentation puposes */
 	BIO_set_fp(ret,stream,close_flag);
 	return(ret);
 	}
@@ -137,6 +139,7 @@ static int MS_CALLBACK file_new(BIO *bi)
 	bi->init=0;
 	bi->num=0;
 	bi->ptr=NULL;
+	bi->flags=BIO_FLAGS_UPLINK; /* default to UPLINK */
 	return(1);
 	}
 
@@ -147,8 +150,12 @@ static int MS_CALLBACK file_free(BIO *a)
 		{
 		if ((a->init) && (a->ptr != NULL))
 			{
-			fclose((FILE *)a->ptr);
+			if (a->flags&BIO_FLAGS_UPLINK)
+				UP_fclose (a->ptr);
+			else
+				fclose (a->ptr);
 			a->ptr=NULL;
+			a->flags=BIO_FLAGS_UPLINK;
 			}
 		a->init=0;
 		}
@@ -161,8 +168,11 @@ static int MS_CALLBACK file_read(BIO *b, char *out, int outl)
 
 	if (b->init && (out != NULL))
 		{
-		ret=fread(out,1,(int)outl,(FILE *)b->ptr);
-		if(ret == 0 && ferror((FILE *)b->ptr))
+		if (b->flags&BIO_FLAGS_UPLINK)
+			ret=UP_fread(out,1,(int)outl,b->ptr);
+		else
+			ret=fread(out,1,(int)outl,(FILE *)b->ptr);
+		if(ret == 0 && (b->flags&BIO_FLAGS_UPLINK)?UP_ferror((FILE *)b->ptr):ferror((FILE *)b->ptr))
 			{
 			SYSerr(SYS_F_FREAD,get_last_sys_error());
 			BIOerr(BIO_F_FILE_READ,ERR_R_SYS_LIB);
@@ -178,7 +188,11 @@ static int MS_CALLBACK file_write(BIO *b, const char *in, int inl)
 
 	if (b->init && (in != NULL))
 		{
-		if (fwrite(in,(int)inl,1,(FILE *)b->ptr))
+		if (b->flags&BIO_FLAGS_UPLINK)
+			ret=UP_fwrite(in,(int)inl,1,b->ptr);
+		else
+			ret=fwrite(in,(int)inl,1,(FILE *)b->ptr);
+		if (ret)
 			ret=inl;
 		/* ret=fwrite(in,1,(int)inl,(FILE *)b->ptr); */
 		/* according to Tim Hudson <tjh@cryptsoft.com>, the commented
@@ -199,20 +213,40 @@ static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)
 		{
 	case BIO_C_FILE_SEEK:
 	case BIO_CTRL_RESET:
-		ret=(long)fseek(fp,num,0);
+		if (b->flags&BIO_FLAGS_UPLINK)
+			ret=(long)UP_fseek(b->ptr,num,0);
+		else
+			ret=(long)fseek(fp,num,0);
 		break;
 	case BIO_CTRL_EOF:
-		ret=(long)feof(fp);
+		if (b->flags&BIO_FLAGS_UPLINK)
+			ret=(long)UP_feof(fp);
+		else
+			ret=(long)feof(fp);
 		break;
 	case BIO_C_FILE_TELL:
 	case BIO_CTRL_INFO:
-		ret=ftell(fp);
+		if (b->flags&BIO_FLAGS_UPLINK)
+			ret=UP_ftell(b->ptr);
+		else
+			ret=ftell(fp);
 		break;
 	case BIO_C_SET_FILE_PTR:
 		file_free(b);
 		b->shutdown=(int)num&BIO_CLOSE;
-		b->ptr=(char *)ptr;
+		b->ptr=ptr;
 		b->init=1;
+#if BIO_FLAGS_UPLINK!=0 && defined(_IOB_ENTRIES)
+		/* Safety net to catch purely internal BIO_set_fp calls */
+		if ((size_t)ptr >= (size_t)stdin &&
+		    (size_t)ptr <  (size_t)(stdin+_IOB_ENTRIES))
+			BIO_clear_flags(b,BIO_FLAGS_UPLINK);
+#endif
+#ifdef UP_fsetmode
+		if (b->flags&BIO_FLAGS_UPLINK)
+			UP_fsetmode(b->ptr,num&BIO_FP_TEXT?'t':'b');
+		else
+#endif
 		{
 #if defined(OPENSSL_SYS_WINDOWS)
 		int fd = fileno((FILE*)ptr);
@@ -286,7 +320,7 @@ static long MS_CALLBACK file_ctrl(BIO *b, int cmd, long num, void *ptr)
 		else
 			strcat(p,"t");
 #endif
-fp=fopen(ptr,p);
+		fp=fopen(ptr,p);
 		if (fp == NULL)
 			{
 			SYSerr(SYS_F_FOPEN,get_last_sys_error());
@@ -295,8 +329,9 @@ fp=fopen(ptr,p);
 			ret=0;
 			break;
 			}
-		b->ptr=(char *)fp;
+		b->ptr=fp;
 		b->init=1;
+		BIO_clear_flags(b,BIO_FLAGS_UPLINK); /* we did fopen -> we disengage UPLINK */
 		break;
 	case BIO_C_GET_FILE_PTR:
 		/* the ptr parameter is actually a FILE ** in this case. */
@@ -313,7 +348,10 @@ fp=fopen(ptr,p);
 		b->shutdown=(int)num;
 		break;
 	case BIO_CTRL_FLUSH:
-		fflush((FILE *)b->ptr);
+		if (b->flags&BIO_FLAGS_UPLINK)
+			UP_fflush(b->ptr);
+		else
+			fflush((FILE *)b->ptr);
 		break;
 	case BIO_CTRL_DUP:
 		ret=1;
diff --git a/crypto/cryptlib.h b/crypto/cryptlib.h
index 93e162a993..9711f42e22 100644
--- a/crypto/cryptlib.h
+++ b/crypto/cryptlib.h
@@ -64,6 +64,11 @@
 
 #include "e_os.h"
 
+#ifdef OPENSSL_USE_APPLINK
+#define BIO_FLAGS_UPLINK 0x8000
+#include "uplink.h"
+#endif
+
 #include <openssl/crypto.h>
 #include <openssl/buffer.h> 
 #include <openssl/bio.h> 
diff --git a/ms/applink.c b/ms/applink.c
index 4333d2639d..e2d066bc1e 100644
--- a/ms/applink.c
+++ b/ms/applink.c
@@ -8,21 +8,38 @@
 #define APPLINK_FSETMOD	8
 #define APPLINK_FEOF	9
 #define APPLINK_FCLOSE 	10	/* should not be used */
-#define APPLINK_MAX	10	/* always same as last macro */
+
+#define APPLINK_FOPEN	11	/* solely for completeness */
+#define APPLINK_FSEEK	12
+#define APPLINK_FTELL	13
+#define APPLINK_FFLUSH	14
+#define APPLINK_FERROR	15
+#define APPLINK_CLEARERR 16
+#define APPLINK_FILENO	17	/* to be used with below */
+
+#define APPLINK_OPEN	18	/* formally can't be used, as flags can vary */
+#define APPLINK_READ	19
+#define APPLINK_WRITE	20
+#define APPLINK_LSEEK	21
+#define APPLINK_CLOSE	22
+#define APPLINK_MAX	22	/* always same as last macro */
 
 #ifndef APPMACROS_ONLY
 #include <stdio.h>
 #include <io.h>
 #include <fcntl.h>
 
-static void *app_stdin()	{ return stdin;  }
-static void *app_stdout()	{ return stdout; }
-static void *app_stderr()	{ return stderr; }
-static int   app_feof(FILE *fp)	{ return feof(fp); }
+static void *app_stdin(void)		{ return stdin;  }
+static void *app_stdout(void)		{ return stdout; }
+static void *app_stderr(void)		{ return stderr; }
+static int   app_feof(FILE *fp)		{ return feof(fp); }
+static int   app_ferror(FILE *fp)	{ return ferror(fp); }
+static void  app_clearerr(FILE *fp)	{ clearerr(fp); }
+static int   app_fileno(FILE *fp)	{ return _fileno(fp); }
 static int   app_fsetmod(FILE *fp,char mod)
 { return _setmode (_fileno(fp),mod=='b'?_O_BINARY:_O_TEXT); }
 
-__declspec(dllexport) void **OPENSSL_Applink()
+__declspec(dllexport) void **OPENSSL_Applink(void)
 { static int once=1;
   static void *OPENSSL_ApplinkTable[APPLINK_MAX+1]={(void *)APPLINK_MAX};
 
@@ -37,6 +54,21 @@ __declspec(dllexport) void **OPENSSL_Applink()
 	OPENSSL_ApplinkTable[APPLINK_FSETMOD]	= app_fsetmod;
 	OPENSSL_ApplinkTable[APPLINK_FEOF]	= app_feof;
 	OPENSSL_ApplinkTable[APPLINK_FCLOSE]	= fclose;
+
+	OPENSSL_ApplinkTable[APPLINK_FOPEN]	= fopen;
+	OPENSSL_ApplinkTable[APPLINK_FSEEK]	= fseek;
+	OPENSSL_ApplinkTable[APPLINK_FTELL]	= ftell;
+	OPENSSL_ApplinkTable[APPLINK_FFLUSH]	= fflush;
+	OPENSSL_ApplinkTable[APPLINK_FERROR]	= app_ferror;
+	OPENSSL_ApplinkTable[APPLINK_CLEARERR]	= app_clearerr;
+	OPENSSL_ApplinkTable[APPLINK_FILENO]	= app_fileno;
+
+	OPENSSL_ApplinkTable[APPLINK_OPEN]	= _open;
+	OPENSSL_ApplinkTable[APPLINK_READ]	= _read;
+	OPENSSL_ApplinkTable[APPLINK_WRITE]	= _write;
+	OPENSSL_ApplinkTable[APPLINK_LSEEK]	= _lseek;
+	OPENSSL_ApplinkTable[APPLINK_CLOSE]	= _close;
+
 	once = 0;
     }
 
diff --git a/ms/uplink.c b/ms/uplink.c
index c839f9b087..8e2eaa8ffd 100644
--- a/ms/uplink.c
+++ b/ms/uplink.c
@@ -1,4 +1,4 @@
-#if defined(_WIN64) && !defined(UNICODE)
+#if (defined(_WIN64) || defined(_WIN32_WCE)) && !defined(UNICODE)
 #define UNICODE
 #endif
 #if defined(UNICODE) && !defined(_UNICODE)
@@ -7,146 +7,90 @@
 #if defined(_UNICODE) && !defined(UNICODE)
 #define UNICODE
 #endif
-#if defined(_MSC_VER) && !defined(_WIN32_WINNT)
-#define _WIN32_WINNT 0x0333	/* 3.51 */
-#endif
 
 #include <windows.h>
 #include <tchar.h>
 #include <stdio.h>
-#include <malloc.h>
 #include "uplink.h"
-
-#ifdef _MSC_VER
-#pragma comment(lib,"delayimp")
-/*
- * CL command line should also be complemented with following:
- *
- *	/link /delayload:advapi32.dll /delayload:user32.dll
- *
- * This is required if/as we want to support Win9x. With delayloaded
- * DLLs in question all we have to do is to make sure NT-specific
- * functions are not actually called under Win9x.
- */
-#endif
-
-#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
-int IsService()
-{ HWINSTA h;
-  DWORD len;
-  WCHAR *name;
-
-    GetDesktopWindow(); /* return value is ignored */
-
-    h = GetProcessWindowStation();
-    if (h==NULL) return -1;
-
-    if (GetUserObjectInformationW (h,UOI_NAME,NULL,0,&len) ||
-	GetLastError() != ERROR_INSUFFICIENT_BUFFER)
-	return -1;
-
-    if (len>512) return -1;		/* paranoia */
-    len++,len&=~1;			/* paranoia */
-#ifdef _MSC_VER
-    name=(WCHAR *)_alloca(len+sizeof(WCHAR));
-#else
-    name=(WCHAR *)alloca(len+sizeof(WCHAR));
-#endif
-    if (!GetUserObjectInformationW (h,UOI_NAME,name,len,&len))
-	return -1;
-
-    len++,len&=~1;			/* paranoia */
-    name[len/sizeof(WCHAR)]=L'\0';	/* paranoia */
-#if 1
-    /* This doesn't cover "interactive" services [working with real
-     * WinSta0's] nor programs started non-interactively by Task
-     * Scheduler [those are working with SAWinSta]. */
-    if (wcsstr(name,L"Service-0x"))	return 1;
-#else
-    /* This covers all non-interactive programs such as services. */
-    if (!wcsstr(name,L"WinSta0"))	return 1;
-#endif
-    else				return 0;
-}
-#endif
+void OPENSSL_showfatal(const char *,...);
 
 static TCHAR msg[128];
 
-static void unimplemented ()
-{
-#if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
-    /* this -------------v--- guards NT-specific calls */
-    if (GetVersion() < 0x80000000 && IsService())
-    {	HANDLE h = RegisterEventSource(0,_T("OPENSSL"));
-	TCHAR *pmsg=msg;
-	ReportEvent(h,EVENTLOG_ERROR_TYPE,0,0,0,1,0,&pmsg,0);
-	DeregisterEventSource(h);
-    }
-    else
-#endif
-    {	MSGBOXPARAMS         m;
-
-	m.cbSize             = sizeof(m);
-	m.hwndOwner          = NULL;
-	m.lpszCaption        = _T("OpenSSL: FATAL");
-	m.dwStyle            = MB_OK;
-	m.hInstance          = NULL;
-	m.lpszIcon           = IDI_ERROR;
-	m.dwContextHelpId    = 0;
-	m.lpfnMsgBoxCallback = NULL;
-	m.dwLanguageId       = MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US);
-	m.lpszText           = msg;
-
-	MessageBoxIndirect (&m);
-    }
+static void unimplemented (void)
+{   OPENSSL_showfatal (sizeof(TCHAR)==sizeof(char)?"%s\n":"%S\n",msg);
     ExitProcess (1);
 }
 
-void OPENSSL_Uplink (void **table, int index)
-{ static HMODULE app=NULL;
-  static void **applinktable=NULL;
+void OPENSSL_Uplink (volatile void **table, int index)
+{ static HMODULE volatile apphandle=NULL;
+  static void ** volatile applinktable=NULL;
   int len;
-
-    len = _stprintf (msg,_T("OPENSSL_Uplink(%p,%02X): "),table,index);
-    _tcscpy (msg+len,_T("unimplemented function"));
-    table [index] = unimplemented;
-
-    if (app==NULL && (app=GetModuleHandle(NULL))==NULL)
-    {	app=(HMODULE)-1; _tcscpy (msg+len,_T("no host application"));
-	return;
-    }
-    else if (app==(HMODULE)-1)	{ return; }
-
-    if (applinktable==NULL)
-    { void**(*applink)();
-
-	applink=(void**(*)())GetProcAddress(app,"OPENSSL_Applink");
-	if (applink==NULL)
-	{   app=(HMODULE)-1; _tcscpy (msg+len,_T("no OPENSSL_Applink"));
-	    return;
+  void (*func)(void)=unimplemented;
+  HANDLE h;
+  void **p;
+
+    /* Note that the below code is not MT-safe in respect to msg
+     * buffer, but what's the worst thing that can happen? Error
+     * message might be misleading or corrupted. As error condition
+     * is fatal and should never be risen, I accept the risk... */
+    /* One can argue that I should have used InterlockedExchangePointer
+     * or something to update static variables and table[]. Well,
+     * store instructions are as atomic as they can get and assigned
+     * values are effectively constant... So that volatile qualifier
+     * should be sufficient [it prohibits compiler to reorder memory
+     * access instructions]. */
+    do {
+	len = _stprintf (msg,_T("OPENSSL_Uplink(%p,%02X): "),table,index);
+	_tcscpy (msg+len,_T("unimplemented function"));
+
+	if ((h=apphandle)==NULL)
+	{   if  ((h=GetModuleHandle(NULL))==NULL)
+	    {	apphandle=(HMODULE)-1;
+		_tcscpy (msg+len,_T("no host application"));
+		break;
+	    }
+	    apphandle = h;
 	}
-	applinktable = (*applink)();
+	if ((h=apphandle)==(HMODULE)-1) /* revalidate */
+	    break;
+
 	if (applinktable==NULL)
-	{   app=(HMODULE)-1; _tcscpy (msg+len,_T("no ApplinkTable"));
-	    return;
+	{ void**(*applink)();
+
+	    applink=(void**(*)())GetProcAddress(h,"OPENSSL_Applink");
+	    if (applink==NULL)
+	    {	apphandle=(HMODULE)-1;
+		_tcscpy (msg+len,_T("no OPENSSL_Applink"));
+		break;
+	    }
+	    p = (*applink)();
+	    if (p==NULL)
+	    {	apphandle=(HMODULE)-1;
+		_tcscpy (msg+len,_T("no ApplinkTable"));
+		break;
+	    }
+	    applinktable = p;
 	}
-    }
 
-    if (index > (int)applinktable[0])	{ return; }
+	if (index > (int)p[0])
+	    break;
+
+	if (p[index]) func = p[index];
+    } while (0);
 
-    if (applinktable[index]) table[index] = applinktable[index];
+    table[index] = func;
 }    
 
-#if defined(_MSC_VER) && defined(_M_IX86)
+#if defined(_MSC_VER) && defined(_M_IX86) && !defined(OPENSSL_NO_INLINE_ASM)
 #define LAZY(i)		\
-__declspec(naked) static void lazy##i () { 	\
+__declspec(naked) static void lazy##i (void) { 	\
 	_asm	push i				\
 	_asm	push OFFSET OPENSSL_UplinkTable	\
 	_asm	call OPENSSL_Uplink		\
 	_asm	add  esp,8			\
 	_asm	jmp  OPENSSL_UplinkTable+4*i	}
 
-#if APPLINK_MAX>20
+#if APPLINK_MAX>25
 #error "Add more stubs..."
 #endif
 /* make some in advance... */
@@ -154,12 +98,14 @@ LAZY(1)  LAZY(2)  LAZY(3)  LAZY(4)  LAZY(5)
 LAZY(6)  LAZY(7)  LAZY(8)  LAZY(9)  LAZY(10)
 LAZY(11) LAZY(12) LAZY(13) LAZY(14) LAZY(15)
 LAZY(16) LAZY(17) LAZY(18) LAZY(19) LAZY(20)
+LAZY(21) LAZY(22) LAZY(23) LAZY(24) LAZY(25)
 void *OPENSSL_UplinkTable[] = {
 	(void *)APPLINK_MAX,
 	lazy1, lazy2, lazy3, lazy4, lazy5,
 	lazy6, lazy7, lazy8, lazy9, lazy10,
 	lazy11,lazy12,lazy13,lazy14,lazy15,
 	lazy16,lazy17,lazy18,lazy19,lazy20,
+	lazy21,lazy22,lazy23,lazy24,lazy25,
 };
 #endif
 
diff --git a/ms/uplink.h b/ms/uplink.h
index 3e9911ab93..a4a67d3c14 100644
--- a/ms/uplink.h
+++ b/ms/uplink.h
@@ -2,13 +2,28 @@
 #include "applink.c"
 
 extern void *OPENSSL_UplinkTable[];
-#define UP_stdin  (*(void *(*)())OPENSSL_UplinkTable[APPLINK_STDIN])()
-#define UP_stdout (*(void *(*)())OPENSSL_UplinkTable[APPLINK_STDOUT])()
-#define UP_stderr (*(void *(*)())OPENSSL_UplinkTable[APPLINK_STDERR])()
+
+#define UP_stdin  (*(void *(*)(void))OPENSSL_UplinkTable[APPLINK_STDIN])()
+#define UP_stdout (*(void *(*)(void))OPENSSL_UplinkTable[APPLINK_STDOUT])()
+#define UP_stderr (*(void *(*)(void))OPENSSL_UplinkTable[APPLINK_STDERR])()
 #define UP_fprintf (*(int (*)(void *,const char *,...))OPENSSL_UplinkTable[APPLINK_FPRINTF])
 #define UP_fgets  (*(char *(*)(char *,int,void *))OPENSSL_UplinkTable[APPLINK_FGETS])
 #define UP_fread  (*(size_t (*)(void *,size_t,size_t,void *))OPENSSL_UplinkTable[APPLINK_FREAD])
-#define UP_fwrite (*(size_t (*)(void *,size_t,size_t,void *))OPENSSL_UplinkTable[APPLINK_FWRITE])
+#define UP_fwrite (*(size_t (*)(const void *,size_t,size_t,void *))OPENSSL_UplinkTable[APPLINK_FWRITE])
 #define UP_fsetmod (*(int (*)(void *,char))OPENSSL_UplinkTable[APPLINK_FSETMOD])
 #define UP_feof   (*(int (*)(void *))OPENSSL_UplinkTable[APPLINK_FEOF])
-#define UP_fclose (*(int (*)(void *))OPENSSL_Uplink[APPLINK_FCLOSE])
+#define UP_fclose (*(int (*)(void *))OPENSSL_UplinkTable[APPLINK_FCLOSE])
+
+#define UP_fopen  (*(void *(*)(const char *,const char *))OPENSSL_UplinkTable[APPLINK_FOPEN])
+#define UP_fseek  (*(int (*)(void *,long,int))OPENSSL_UplinkTable[APPLINK_FSEEK])
+#define UP_ftell  (*(long (*)(void *))OPENSSL_UplinkTable[APPLINK_FTELL])
+#define UP_fflush (*(int (*)(void *))OPENSSL_UplinkTable[APPLINK_FFLUSH])
+#define UP_ferror (*(int (*)(void *))OPENSSL_UplinkTable[APPLINK_FERROR])
+#define UP_clearerr (*(void (*)(void *))OPENSSL_UplinkTable[APPLINK_CLEARERR])
+#define UP_fileno (*(int (*)(void *))OPENSSL_UplinkTable[APPLINK_FILENO])
+
+#define UP_open   (*(int (*)(const char *,int,...))OPENSSL_UplinkTable[APPLINK_OPEN])
+#define UP_read   (*(ssize_t (*)(int,void *,size_t))OPENSSL_UplinkTable[APPLINK_READ])
+#define UP_write  (*(ssize_t (*)(int,const void *,size_t))OPENSSL_UplinkTable[APPLINK_WRITE])
+#define UP_lseek  (*(long (*)(int,long,int))OPENSSL_UplinkTable[APPLINK_LSEEK])
+#define UP_close  (*(int (*)(int))OPENSSL_UplinkTable[APPLINK_CLOSE])
diff --git a/ms/uplink.pl b/ms/uplink.pl
index 801f6e01fa..cd9d37f56f 100755
--- a/ms/uplink.pl
+++ b/ms/uplink.pl
@@ -29,10 +29,37 @@ $arg = shift;
 
 if ($arg =~ /win32n/)	{ ia32nasm();  }
 elsif ($arg =~ /win32/)	{ ia32masm();  }
-elsif ($arg =~ /ia64/)	{ ia64ias();   }
-elsif ($arg =~ /amd64/)	{ amd64masm(); }
+elsif ($arg =~ /coff/)	{ ia32gas();   }
+elsif ($arg =~ /win64i/ or $arg =~ /ia64/)	{ ia64ias();   }
+elsif ($arg =~ /win64a/ or $arg =~ /amd64/)	{ amd64masm(); }
 else	{ die "nonsense $arg"; }
 
+sub ia32gas() {
+print <<___;
+.text
+___
+for ($i=1;$i<=$N;$i++) {
+print <<___;
+.def	.Lazy$i;	.scl	3;	.type	32;	.endef
+.align	4
+.Lazy$i:
+	pushl	\$$i
+	pushl	_OPENSSL_UplinkTable
+	call	_OPENSSL_Uplink
+	addl	\$8,%esp
+	jmp	*(_OPENSSL_UplinkTable+4*$i)
+___
+}
+print <<___;
+.data
+.align	4
+.globl  _OPENSSL_UplinkTable
+_OPENSSL_UplinkTable:
+	.long	$N
+___
+for ($i=1;$i<=$N;$i++) {   print "	.long	.Lazy$i\n";   }
+}
+
 sub ia32masm() {
 print <<___;
 .386P