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ssl_applink.c revision 1.1.1.1.26.1.6.1 
      1 /*	$NetBSD: ssl_applink.c,v 1.1.1.1.26.1.6.1 2017/04/20 06:45:13 snj Exp $	*/
      2 
      3 /*
      4  * include/ssl_applink.c -- common NTP code for openssl/applink.c
      5  *
      6  * Each program which uses OpenSSL should include this file in _one_
      7  * of its source files and call ssl_applink() before any OpenSSL
      8  * functions.
      9  */
     10 
     11 #if defined(OPENSSL) && defined(SYS_WINNT)
     12 # ifdef _MSC_VER
     13 #  pragma warning(push)
     14 #  pragma warning(disable: 4152)
     15 #  ifndef OPENSSL_NO_AUTOLINK
     16 #   include "msvc_ssl_autolib.h"
     17 #  endif
     18 # endif
     19 # if OPENSSL_VERSION_NUMBER < 0x10100000L
     20 #  include <openssl/applink.c>
     21 # endif
     22 # ifdef _MSC_VER
     23 #  pragma warning(pop)
     24 # endif
     25 #endif
     26 
     27 #if defined(OPENSSL) && defined(_MSC_VER) && defined(_DEBUG)
     28 #define WRAP_DBG_MALLOC
     29 #endif
     30 
     31 #ifdef WRAP_DBG_MALLOC
     32 void *wrap_dbg_malloc(size_t s, const char *f, int l);
     33 void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l);
     34 void wrap_dbg_free(void *p);
     35 void wrap_dbg_free_ex(void *p, const char *f, int l);
     36 #endif
     37 
     38 
     39 #if defined(OPENSSL) && defined(SYS_WINNT)
     40 
     41 void ssl_applink(void);
     42 
     43 void
     44 ssl_applink(void)
     45 {
     46 #if OPENSSL_VERSION_NUMBER >= 0x10100000L
     47 #   ifdef WRAP_DBG_MALLOC
     48 	CRYPTO_set_mem_functions(wrap_dbg_malloc, wrap_dbg_realloc, wrap_dbg_free_ex);
     49 #   else
     50 	OPENSSL_malloc_init();
     51 #   endif
     52 #else
     53 #   ifdef WRAP_DBG_MALLOC
     54 	CRYPTO_set_mem_ex_functions(wrap_dbg_malloc, wrap_dbg_realloc, wrap_dbg_free);
     55 #   else
     56 	CRYPTO_malloc_init();
     57 #   endif
     58 #endif /* OpenSSL version cascade */
     59 }
     60 #else	/* !OPENSSL || !SYS_WINNT */
     61 #define ssl_applink()	do {} while (0)
     62 #endif
     63 
     64 
     65 #ifdef WRAP_DBG_MALLOC
     66 /*
     67  * OpenSSL malloc overriding uses different parameters
     68  * for DEBUG malloc/realloc/free (lacking block type).
     69  * Simple wrappers convert.
     70  */
     71 void *wrap_dbg_malloc(size_t s, const char *f, int l)
     72 {
     73 	void *ret;
     74 
     75 	ret = _malloc_dbg(s, _NORMAL_BLOCK, f, l);
     76 	return ret;
     77 }
     78 
     79 void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l)
     80 {
     81 	void *ret;
     82 
     83 	ret = _realloc_dbg(p, s, _NORMAL_BLOCK, f, l);
     84 	return ret;
     85 }
     86 
     87 void wrap_dbg_free(void *p)
     88 {
     89 	_free_dbg(p, _NORMAL_BLOCK);
     90 }
     91 
     92 void wrap_dbg_free_ex(void *p, const char *f, int l)
     93 {
     94 	(void)f;
     95 	(void)l;
     96 	_free_dbg(p, _NORMAL_BLOCK);
     97 }
     98 #endif	/* WRAP_DBG_MALLOC */
     99