Upgrade chrome's OpenSSL to same version Android ships with.

openssl/crypto/cryptlib.c

 /* crypto/cryptlib.c */
 /* ====================================================================
- * Copyright (c) 1998-2003 The OpenSSL Project.  All rights reserved.
+ * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer. 
  *
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
@@ skipping 100 matching lines @@
  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
  */
 
 #include "cryptlib.h"
 #include <openssl/safestack.h>
 
 #if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
 static double SSLeay_MSVC5_hack=0.0; /* and for VC1.5 */
 #endif
 
+DECLARE_STACK_OF(CRYPTO_dynlock)
+
+/* real #defines in crypto.h, keep these upto date */
+static const char* const lock_names[CRYPTO_NUM_LOCKS] =
+        {
+        "<<ERROR>>",
+        "err",
+        "ex_data",
+        "x509",
+        "x509_info",
+        "x509_pkey",
+        "x509_crl",
+        "x509_req",
+        "dsa",
+        "rsa",
+        "evp_pkey",
+        "x509_store",
+        "ssl_ctx",
+        "ssl_cert",
+        "ssl_session",
+        "ssl_sess_cert",
+        "ssl",
+        "ssl_method",
+        "rand",
+        "rand2",
+        "debug_malloc",
+        "BIO",
+        "gethostbyname",
+        "getservbyname",
+        "readdir",
+        "RSA_blinding",
+        "dh",
+        "debug_malloc2",
+        "dso",
+        "dynlock",
+        "engine",
+        "ui",
+        "ecdsa",
+        "ec",
+        "ecdh",
+        "bn",
+        "ec_pre_comp",
+        "store",
+        "comp",
+        "fips",
+        "fips2",
+#if CRYPTO_NUM_LOCKS != 41
+# error "Inconsistency between crypto.h and cryptlib.c"
+#endif
+        };
+
+/* This is for applications to allocate new type names in the non-dynamic
+   array of lock names.  These are numbered with positive numbers.  */
+static STACK_OF(OPENSSL_STRING) *app_locks=NULL;
+
+/* For applications that want a more dynamic way of handling threads, the
+   following stack is used.  These are externally numbered with negative
+   numbers.  */
+static STACK_OF(CRYPTO_dynlock) *dyn_locks=NULL;
+
+
 static void (MS_FAR *locking_callback)(int mode,int type,
-        const char *file,int line)=NULL;
+        const char *file,int line)=0;
 static int (MS_FAR *add_lock_callback)(int *pointer,int amount,
-        int type,const char *file,int line)=NULL;
-static unsigned long (MS_FAR *id_callback)(void)=NULL;
+        int type,const char *file,int line)=0;
+#ifndef OPENSSL_NO_DEPRECATED
+static unsigned long (MS_FAR *id_callback)(void)=0;
+#endif
+static void (MS_FAR *threadid_callback)(CRYPTO_THREADID *)=0;
+static struct CRYPTO_dynlock_value *(MS_FAR *dynlock_create_callback)
+        (const char *file,int line)=0;
+static void (MS_FAR *dynlock_lock_callback)(int mode,
+        struct CRYPTO_dynlock_value *l, const char *file,int line)=0;
+static void (MS_FAR *dynlock_destroy_callback)(struct CRYPTO_dynlock_value *l,
+        const char *file,int line)=0;
+
+int CRYPTO_get_new_lockid(char *name)
+        {
+        char *str;
+        int i;
+
+#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WIN16)
+        /* A hack to make Visual C++ 5.0 work correctly when linking as
+         * a DLL using /MT. Without this, the application cannot use
+         * any floating point printf's.
+         * It also seems to be needed for Visual C 1.5 (win16) */
+        SSLeay_MSVC5_hack=(double)name[0]*(double)name[1];
+#endif
+
+        if ((app_locks == NULL) && ((app_locks=sk_OPENSSL_STRING_new_null()) == NULL))
+                {
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        if ((str=BUF_strdup(name)) == NULL)
+                {
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_LOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        i=sk_OPENSSL_STRING_push(app_locks,str);
+        if (!i)
+                OPENSSL_free(str);
+        else
+                i+=CRYPTO_NUM_LOCKS; /* gap of one :-) */
+        return(i);
+        }
 
 int CRYPTO_num_locks(void)
         {
         return CRYPTO_NUM_LOCKS;
         }
 
+int CRYPTO_get_new_dynlockid(void)
+        {
+        int i = 0;
+        CRYPTO_dynlock *pointer = NULL;
+
+        if (dynlock_create_callback == NULL)
+                {
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,CRYPTO_R_NO_DYNLOCK_CREATE_CALLBACK);
+                return(0);
+                }
+        CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+        if ((dyn_locks == NULL)
+                && ((dyn_locks=sk_CRYPTO_dynlock_new_null()) == NULL))
+                {
+                CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+        pointer = (CRYPTO_dynlock *)OPENSSL_malloc(sizeof(CRYPTO_dynlock));
+        if (pointer == NULL)
+                {
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+        pointer->references = 1;
+        pointer->data = dynlock_create_callback(__FILE__,__LINE__);
+        if (pointer->data == NULL)
+                {
+                OPENSSL_free(pointer);
+                CRYPTOerr(CRYPTO_F_CRYPTO_GET_NEW_DYNLOCKID,ERR_R_MALLOC_FAILURE);
+                return(0);
+                }
+
+        CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+        /* First, try to find an existing empty slot */
+        i=sk_CRYPTO_dynlock_find(dyn_locks,NULL);
+        /* If there was none, push, thereby creating a new one */
+        if (i == -1)
+                /* Since sk_push() returns the number of items on the
+                   stack, not the location of the pushed item, we need
+                   to transform the returned number into a position,
+                   by decreasing it.  */
+                i=sk_CRYPTO_dynlock_push(dyn_locks,pointer) - 1;
+        else
+                /* If we found a place with a NULL pointer, put our pointer
+                   in it.  */
+                (void)sk_CRYPTO_dynlock_set(dyn_locks,i,pointer);
+        CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+        if (i == -1)
+                {
+                dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
+                OPENSSL_free(pointer);
+                }
+        else
+                i += 1; /* to avoid 0 */
+        return -i;
+        }
+
+void CRYPTO_destroy_dynlockid(int i)
+        {
+        CRYPTO_dynlock *pointer = NULL;
+        if (i)
+                i = -i-1;
+        if (dynlock_destroy_callback == NULL)
+                return;
+
+        CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+
+        if (dyn_locks == NULL || i >= sk_CRYPTO_dynlock_num(dyn_locks))
+                {
+                CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+                return;
+                }
+        pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
+        if (pointer != NULL)
+                {
+                --pointer->references;
+#ifdef REF_CHECK
+                if (pointer->references < 0)
+                        {
+                        fprintf(stderr,"CRYPTO_destroy_dynlockid, bad reference count\n");
+                        abort();
+                        }
+                else
+#endif
+                        if (pointer->references <= 0)
+                                {
+                                (void)sk_CRYPTO_dynlock_set(dyn_locks, i, NULL);
+                                }
+                        else
+                                pointer = NULL;
+                }
+        CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+        if (pointer)
+                {
+                dynlock_destroy_callback(pointer->data,__FILE__,__LINE__);
+                OPENSSL_free(pointer);
+                }
+        }
+
+struct CRYPTO_dynlock_value *CRYPTO_get_dynlock_value(int i)
+        {
+        CRYPTO_dynlock *pointer = NULL;
+        if (i)
+                i = -i-1;
+
+        CRYPTO_w_lock(CRYPTO_LOCK_DYNLOCK);
+
+        if (dyn_locks != NULL && i < sk_CRYPTO_dynlock_num(dyn_locks))
+                pointer = sk_CRYPTO_dynlock_value(dyn_locks, i);
+        if (pointer)
+                pointer->references++;
+
+        CRYPTO_w_unlock(CRYPTO_LOCK_DYNLOCK);
+
+        if (pointer)
+                return pointer->data;
+        return NULL;
+        }
+
+struct CRYPTO_dynlock_value *(*CRYPTO_get_dynlock_create_callback(void))
+        (const char *file,int line)
+        {
+        return(dynlock_create_callback);
+        }
+
+void (*CRYPTO_get_dynlock_lock_callback(void))(int mode,
+        struct CRYPTO_dynlock_value *l, const char *file,int line)
+        {
+        return(dynlock_lock_callback);
+        }
+
+void (*CRYPTO_get_dynlock_destroy_callback(void))
+        (struct CRYPTO_dynlock_value *l, const char *file,int line)
+        {
+        return(dynlock_destroy_callback);
+        }
+
+void CRYPTO_set_dynlock_create_callback(struct CRYPTO_dynlock_value *(*func)
+        (const char *file, int line))
+        {
+        dynlock_create_callback=func;
+        }
+
+void CRYPTO_set_dynlock_lock_callback(void (*func)(int mode,
+        struct CRYPTO_dynlock_value *l, const char *file, int line))
+        {
+        dynlock_lock_callback=func;
+        }
+
+void CRYPTO_set_dynlock_destroy_callback(void (*func)
+        (struct CRYPTO_dynlock_value *l, const char *file, int line))
+        {
+        dynlock_destroy_callback=func;
+        }
+
+
 void (*CRYPTO_get_locking_callback(void))(int mode,int type,const char *file,
                 int line)
         {
         return(locking_callback);
         }
 
 int (*CRYPTO_get_add_lock_callback(void))(int *num,int mount,int type,
                                           const char *file,int line)
         {
         return(add_lock_callback);
         }
 
 void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
                                               const char *file,int line))
         {
         locking_callback=func;
         }
 
 void CRYPTO_set_add_lock_callback(int (*func)(int *num,int mount,int type,
                                               const char *file,int line))
         {
         add_lock_callback=func;
         }
 
+/* the memset() here and in set_pointer() seem overkill, but for the sake of
+ * CRYPTO_THREADID_cmp() this avoids any platform silliness that might cause two
+ * "equal" THREADID structs to not be memcmp()-identical. */
+void CRYPTO_THREADID_set_numeric(CRYPTO_THREADID *id, unsigned long val)
+        {
+        memset(id, 0, sizeof(*id));
+        id->val = val;
+        }
+
+static const unsigned char hash_coeffs[] = { 3, 5, 7, 11, 13, 17, 19, 23 };
+void CRYPTO_THREADID_set_pointer(CRYPTO_THREADID *id, void *ptr)
+        {
+        unsigned char *dest = (void *)&id->val;
+        unsigned int accum = 0;
+        unsigned char dnum = sizeof(id->val);
+
+        memset(id, 0, sizeof(*id));
+        id->ptr = ptr;
+        if (sizeof(id->val) >= sizeof(id->ptr))
+                {
+                /* 'ptr' can be embedded in 'val' without loss of uniqueness */
+                id->val = (unsigned long)id->ptr;
+                return;
+                }
+        /* hash ptr ==> val. Each byte of 'val' gets the mod-256 total of a
+         * linear function over the bytes in 'ptr', the co-efficients of which
+         * are a sequence of low-primes (hash_coeffs is an 8-element cycle) -
+         * the starting prime for the sequence varies for each byte of 'val'
+         * (unique polynomials unless pointers are >64-bit). For added spice,
+         * the totals accumulate rather than restarting from zero, and the index
+         * of the 'val' byte is added each time (position dependence). If I was
+         * a black-belt, I'd scan big-endian pointers in reverse to give
+         * low-order bits more play, but this isn't crypto and I'd prefer nobody
+         * mistake it as such. Plus I'm lazy. */
+        while (dnum--)
+                {
+                const unsigned char *src = (void *)&id->ptr;
+                unsigned char snum = sizeof(id->ptr);
+                while (snum--)
+                        accum += *(src++) * hash_coeffs[(snum + dnum) & 7];
+                accum += dnum;
+                *(dest++) = accum & 255;
+                }
+        }
+
+int CRYPTO_THREADID_set_callback(void (*func)(CRYPTO_THREADID *))
+        {
+        if (threadid_callback)
+                return 0;
+        threadid_callback = func;
+        return 1;
+        }
+
+void (*CRYPTO_THREADID_get_callback(void))(CRYPTO_THREADID *)
+        {
+        return threadid_callback;
+        }
+
+void CRYPTO_THREADID_current(CRYPTO_THREADID *id)
+        {
+        if (threadid_callback)
+                {
+                threadid_callback(id);
+                return;
+                }
+#ifndef OPENSSL_NO_DEPRECATED
+        /* If the deprecated callback was set, fall back to that */
+        if (id_callback)
+                {
+                CRYPTO_THREADID_set_numeric(id, id_callback());
+                return;
+                }
+#endif
+        /* Else pick a backup */
+#ifdef OPENSSL_SYS_WIN16
+        CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentTask());
+#elif defined(OPENSSL_SYS_WIN32)
+        CRYPTO_THREADID_set_numeric(id, (unsigned long)GetCurrentThreadId());
+#elif defined(OPENSSL_SYS_BEOS)
+        CRYPTO_THREADID_set_numeric(id, (unsigned long)find_thread(NULL));
+#else
+        /* For everything else, default to using the address of 'errno' */
+        CRYPTO_THREADID_set_pointer(id, &errno);
+#endif
+        }
+
+int CRYPTO_THREADID_cmp(const CRYPTO_THREADID *a, const CRYPTO_THREADID *b)
+        {
+        return memcmp(a, b, sizeof(*a));
+        }
+
+void CRYPTO_THREADID_cpy(CRYPTO_THREADID *dest, const CRYPTO_THREADID *src)
+        {
+        memcpy(dest, src, sizeof(*src));
+        }
+
+unsigned long CRYPTO_THREADID_hash(const CRYPTO_THREADID *id)
+        {
+        return id->val;
+        }
+
+#ifndef OPENSSL_NO_DEPRECATED
 unsigned long (*CRYPTO_get_id_callback(void))(void)
         {
         return(id_callback);
         }
 
 void CRYPTO_set_id_callback(unsigned long (*func)(void))
         {
         id_callback=func;
         }
 
 unsigned long CRYPTO_thread_id(void)
         {
         unsigned long ret=0;
 
         if (id_callback == NULL)
                 {
 #ifdef OPENSSL_SYS_WIN16
                 ret=(unsigned long)GetCurrentTask();
 #elif defined(OPENSSL_SYS_WIN32)
                 ret=(unsigned long)GetCurrentThreadId();
 #elif defined(GETPID_IS_MEANINGLESS)
                 ret=1L;
+#elif defined(OPENSSL_SYS_BEOS)
+                ret=(unsigned long)find_thread(NULL);
 #else
                 ret=(unsigned long)getpid();
 #endif
                 }
         else
                 ret=id_callback();
         return(ret);
         }
-
-static void (*do_dynlock_cb)(int mode, int type, const char *file, int line);
-
-void int_CRYPTO_set_do_dynlock_callback(
-        void (*dyn_cb)(int mode, int type, const char *file, int line))
-        {
-        do_dynlock_cb = dyn_cb;
-        }
+#endif
 
 void CRYPTO_lock(int mode, int type, const char *file, int line)
         {
 #ifdef LOCK_DEBUG
                 {
+                CRYPTO_THREADID id;
                 char *rw_text,*operation_text;
 
                 if (mode & CRYPTO_LOCK)
                         operation_text="lock  ";
                 else if (mode & CRYPTO_UNLOCK)
                         operation_text="unlock";
                 else
                         operation_text="ERROR ";
 
                 if (mode & CRYPTO_READ)
                         rw_text="r";
                 else if (mode & CRYPTO_WRITE)
                         rw_text="w";
                 else
                         rw_text="ERROR";
 
+                CRYPTO_THREADID_current(&id);
                 fprintf(stderr,"lock:%08lx:(%s)%s %-18s %s:%d\n",
-                        CRYPTO_thread_id(), rw_text, operation_text,
+                        CRYPTO_THREADID_hash(&id), rw_text, operation_text,
                         CRYPTO_get_lock_name(type), file, line);
                 }
 #endif
         if (type < 0)
                 {
-                if (do_dynlock_cb)
-                        do_dynlock_cb(mode, type, file, line);
+                if (dynlock_lock_callback != NULL)
+                        {
+                        struct CRYPTO_dynlock_value *pointer
+                                = CRYPTO_get_dynlock_value(type);
+
+                        OPENSSL_assert(pointer != NULL);
+
+                        dynlock_lock_callback(mode, pointer, file, line);
+
+                        CRYPTO_destroy_dynlockid(type);
+                        }
                 }
         else
                 if (locking_callback != NULL)
                         locking_callback(mode,type,file,line);
         }
 
 int CRYPTO_add_lock(int *pointer, int amount, int type, const char *file,
              int line)
         {
         int ret = 0;
 
         if (add_lock_callback != NULL)
                 {
 #ifdef LOCK_DEBUG
                 int before= *pointer;
 #endif
 
                 ret=add_lock_callback(pointer,amount,type,file,line);
 #ifdef LOCK_DEBUG
+                {
+                CRYPTO_THREADID id;
+                CRYPTO_THREADID_current(&id);
                 fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
-                        CRYPTO_thread_id(),
-                        before,amount,ret,
+                        CRYPTO_THREADID_hash(&id), before,amount,ret,
                         CRYPTO_get_lock_name(type),
                         file,line);
+                }
 #endif
                 }
         else
                 {
                 CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE,type,file,line);
 
                 ret= *pointer+amount;
 #ifdef LOCK_DEBUG
+                {
+                CRYPTO_THREADID id;
+                CRYPTO_THREADID_current(&id);
                 fprintf(stderr,"ladd:%08lx:%2d+%2d->%2d %-18s %s:%d\n",
-                        CRYPTO_thread_id(),
+                        CRYPTO_THREADID_hash(&id),
                         *pointer,amount,ret,
                         CRYPTO_get_lock_name(type),
                         file,line);
+                }
 #endif
                 *pointer=ret;
                 CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE,type,file,line);
                 }
         return(ret);
         }
 
+const char *CRYPTO_get_lock_name(int type)
+        {
+        if (type < 0)
+                return("dynamic");
+        else if (type < CRYPTO_NUM_LOCKS)
+                return(lock_names[type]);
+        else if (type-CRYPTO_NUM_LOCKS > sk_OPENSSL_STRING_num(app_locks))
+                return("ERROR");
+        else
+                return(sk_OPENSSL_STRING_value(app_locks,type-CRYPTO_NUM_LOCKS));
+        }
+
 #if     defined(__i386)   || defined(__i386__)   || defined(_M_IX86) || \
         defined(__INTEL__) || \
         defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
 
 unsigned long  OPENSSL_ia32cap_P=0;
 unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; }
 
 #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
 #define OPENSSL_CPUID_SETUP
 void OPENSSL_cpuid_setup(void)
@@ skipping 18 matching lines @@
 
 #else
 unsigned long *OPENSSL_ia32cap_loc(void) { return NULL; }
 #endif
 int OPENSSL_NONPIC_relocated = 0;
 #if !defined(OPENSSL_CPUID_SETUP)
 void OPENSSL_cpuid_setup(void) {}
 #endif
 
 #if (defined(_WIN32) || defined(__CYGWIN__)) && defined(_WINDLL)
-
-#ifdef OPENSSL_FIPS
-
-#include <tlhelp32.h>
-#if defined(__GNUC__) && __GNUC__>=2
-static int DllInit(void) __attribute__((constructor));
-#elif defined(_MSC_VER)
-static int DllInit(void);
-# ifdef _WIN64
-# pragma section(".CRT$XCU",read)
-  __declspec(allocate(".CRT$XCU"))
-# else
-# pragma data_seg(".CRT$XCU")
-# endif
-  static int (*p)(void) = DllInit;
-# pragma data_seg()
-#endif
-
-static int DllInit(void)
-{
-#if defined(_WIN32_WINNT)
-        union   { int(*f)(void); BYTE *p; } t = { DllInit };
-        HANDLE  hModuleSnap = INVALID_HANDLE_VALUE;
-        IMAGE_DOS_HEADER *dos_header;
-        IMAGE_NT_HEADERS *nt_headers;
-        MODULEENTRY32 me32 = {sizeof(me32)};
-
-        hModuleSnap = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE,0);
-        if (hModuleSnap != INVALID_HANDLE_VALUE &&
-            Module32First(hModuleSnap,&me32)) do
-                {
-                if (t.p >= me32.modBaseAddr &&
-                    t.p <  me32.modBaseAddr+me32.modBaseSize)
-                        {
-                        dos_header=(IMAGE_DOS_HEADER *)me32.modBaseAddr;
-                        if (dos_header->e_magic==IMAGE_DOS_SIGNATURE)
-                                {
-                                nt_headers=(IMAGE_NT_HEADERS *)
-                                        ((BYTE *)dos_header+dos_header->e_lfanew);
-                                if (nt_headers->Signature==IMAGE_NT_SIGNATURE &&
-                                    me32.modBaseAddr!=(BYTE*)nt_headers->OptionalHeader.ImageBase)
-                                        OPENSSL_NONPIC_relocated=1;
-                                }
-                        break;
-                        }
-                } while (Module32Next(hModuleSnap,&me32));
-
-        if (hModuleSnap != INVALID_HANDLE_VALUE)
-                CloseHandle(hModuleSnap);
-#endif
-        OPENSSL_cpuid_setup();
-        return 0;
-}
-
-#else
-
 #ifdef __CYGWIN__
 /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */
 #include <windows.h>
+/* this has side-effect of _WIN32 getting defined, which otherwise
+ * is mutually exclusive with __CYGWIN__... */
 #endif
 
 /* All we really need to do is remove the 'error' state when a thread
  * detaches */
 
 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
              LPVOID lpvReserved)
         {
         switch(fdwReason)
                 {
@@ skipping 11 matching lines @@
                         if (nt_headers->Signature==IMAGE_NT_SIGNATURE &&
                             hinstDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase))
                                 OPENSSL_NONPIC_relocated=1;
                         }
                 }
 #endif
                 break;
         case DLL_THREAD_ATTACH:
                 break;
         case DLL_THREAD_DETACH:
-                ERR_remove_state(0);
                 break;
         case DLL_PROCESS_DETACH:
                 break;
                 }
         return(TRUE);
         }
 #endif
 
-#endif
-
 #if defined(_WIN32) && !defined(__CYGWIN__)
 #include <tchar.h>
+#include <signal.h>
+#ifdef __WATCOMC__
+#if defined(_UNICODE) || defined(__UNICODE__)
+#define _vsntprintf _vsnwprintf
+#else
+#define _vsntprintf _vsnprintf
+#endif
+#endif
+#ifdef _MSC_VER
+#define alloca _alloca
+#endif
 
 #if defined(_WIN32_WINNT) && _WIN32_WINNT>=0x0333
 int OPENSSL_isservice(void)
 { HWINSTA h;
   DWORD len;
   WCHAR *name;
+  static union { void *p; int (*f)(void); } _OPENSSL_isservice = { NULL };
+
+    if (_OPENSSL_isservice.p == NULL) {
+        HANDLE h = GetModuleHandle(NULL);
+        if (h != NULL)
+            _OPENSSL_isservice.p = GetProcAddress(h,"_OPENSSL_isservice");
+        if (_OPENSSL_isservice.p == NULL)
+            _OPENSSL_isservice.p = (void *)-1;
+    }
+
+    if (_OPENSSL_isservice.p != (void *)-1)
+        return (*_OPENSSL_isservice.f)();
 
     (void)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;
@@ skipping 24 matching lines @@
     }
 #endif
 
     if (sizeof(TCHAR)==sizeof(char))
         fmt=(const TCHAR *)fmta;
     else do
     { int    keepgoing;
       size_t len_0=strlen(fmta)+1,i;
       WCHAR *fmtw;
 
-#ifdef _MSC_VER
-        fmtw = (WCHAR *)_alloca (len_0*sizeof(WCHAR));
-#else
-        fmtw = (WCHAR *)alloca (len_0*sizeof(WCHAR));
-#endif
+        fmtw = (WCHAR *)alloca(len_0*sizeof(WCHAR));
         if (fmtw == NULL) { fmt=(const TCHAR *)L"no stack?"; break; }
 
 #ifndef OPENSSL_NO_MULTIBYTE
         if (!MultiByteToWideChar(CP_ACP,0,fmta,len_0,fmtw,len_0))
 #endif
             for (i=0;i<len_0;i++) fmtw[i]=(WCHAR)fmta[i];
 
         for (i=0;i<len_0;i++)
         {   if (fmtw[i]==L'%') do
             {   keepgoing=0;
@@ skipping 38 matching lines @@
     va_end (ap);
 }
 int OPENSSL_isservice (void) { return 0; }
 #endif
 
 void OpenSSLDie(const char *file,int line,const char *assertion)
         {
         OPENSSL_showfatal(
                 "%s(%d): OpenSSL internal error, assertion failed: %s\n",
                 file,line,assertion);
+#if !defined(_WIN32) || defined(__CYGWIN__)
         abort();
+#else
+        /* Win32 abort() customarily shows a dialog, but we just did that... */
+        raise(SIGABRT);
+        _exit(3);
+#endif
         }
 
 void *OPENSSL_stderr(void)      { return stderr; }