ssl_applink.c revision 1.5 
1/*	$NetBSD: ssl_applink.c,v 1.5 2017/04/13 20:17:41 christos 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
32void *wrap_dbg_malloc(size_t s, const char *f, int l);
33void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l);
34void wrap_dbg_free(void *p);
35void wrap_dbg_free_ex(void *p, const char *f, int l);
36#endif
37
38
39#if defined(OPENSSL) && defined(SYS_WINNT)
40
41void ssl_applink(void);
42
43void
44ssl_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 */
71void *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
79void *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
87void wrap_dbg_free(void *p)
88{
89	_free_dbg(p, _NORMAL_BLOCK);
90}
91
92void 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