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ssl_applink.c revision 1.1.1.8 
      1 /*
      2  * include/ssl_applink.c -- common NTP code for openssl/applink.c
      3  *
      4  * Each program which uses OpenSSL should include this file in _one_
      5  * of its source files and call ssl_applink() before any OpenSSL
      6  * functions.
      7  */
      8 
      9 #if defined(OPENSSL) && defined(SYS_WINNT)
     10 # ifdef _MSC_VER
     11 #  pragma warning(push)
     12 #  pragma warning(disable: 4152)
     13 #  ifndef OPENSSL_NO_AUTOLINK
     14 #   include "msvc_ssl_autolib.h"
     15 #  endif
     16 # endif
     17 # if OPENSSL_VERSION_NUMBER < 0x10100000L
     18 #  include <openssl/applink.c>
     19 # endif
     20 # ifdef _MSC_VER
     21 #  pragma warning(pop)
     22 # endif
     23 #endif
     24 
     25 #if defined(OPENSSL) && defined(_MSC_VER) && defined(_DEBUG)
     26 #define WRAP_DBG_MALLOC
     27 #endif
     28 
     29 #ifdef WRAP_DBG_MALLOC
     30 static void *wrap_dbg_malloc(size_t s, const char *f, int l);
     31 static void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l);
     32 static void wrap_dbg_free(void *p);
     33 static void wrap_dbg_free_ex(void *p, const char *f, int l);
     34 #endif
     35 
     36 
     37 #if defined(OPENSSL) && defined(SYS_WINNT)
     38 
     39 void ssl_applink(void);
     40 
     41 void
     42 ssl_applink(void)
     43 {
     44 #if OPENSSL_VERSION_NUMBER >= 0x10100000L
     45 
     46 #   ifdef WRAP_DBG_MALLOC
     47 	CRYPTO_set_mem_functions(wrap_dbg_malloc, wrap_dbg_realloc, wrap_dbg_free_ex);
     48 #   else
     49 	OPENSSL_malloc_init();
     50 #   endif
     51 
     52 #  else
     53 
     54 #   ifdef WRAP_DBG_MALLOC
     55 	CRYPTO_set_mem_ex_functions(wrap_dbg_malloc, wrap_dbg_realloc, wrap_dbg_free);
     56 #   else
     57 	CRYPTO_malloc_init();
     58 #   endif
     59 
     60 #endif /* OpenSSL version cascade */
     61 }
     62 #else	/* !OPENSSL || !SYS_WINNT */
     63 #define ssl_applink()	do {} while (0)
     64 #endif
     65 
     66 
     67 #ifdef WRAP_DBG_MALLOC
     68 /*
     69  * OpenSSL malloc overriding uses different parameters
     70  * for DEBUG malloc/realloc/free (lacking block type).
     71  * Simple wrappers convert.
     72  */
     73 static void *wrap_dbg_malloc(size_t s, const char *f, int l)
     74 {
     75 	void *ret;
     76 
     77 	ret = _malloc_dbg(s, _NORMAL_BLOCK, f, l);
     78 	return ret;
     79 }
     80 
     81 static void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l)
     82 {
     83 	void *ret;
     84 
     85 	ret = _realloc_dbg(p, s, _NORMAL_BLOCK, f, l);
     86 	return ret;
     87 }
     88 
     89 static void wrap_dbg_free(void *p)
     90 {
     91 	_free_dbg(p, _NORMAL_BLOCK);
     92 }
     93 
     94 static void wrap_dbg_free_ex(void *p, const char *f, int l)
     95 {
     96 	(void)f;
     97 	(void)l;
     98 	_free_dbg(p, _NORMAL_BLOCK);
     99 }
    100 #endif	/* WRAP_DBG_MALLOC */
    101