ssl_applink.c revision 1.6 
1/*	$NetBSD: ssl_applink.c,v 1.6 2018/04/07 00:19:52 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
32static void *wrap_dbg_malloc(size_t s, const char *f, int l);
33static void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l);
34static void wrap_dbg_free(void *p);
35static void 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
48#   ifdef WRAP_DBG_MALLOC
49	CRYPTO_set_mem_functions(wrap_dbg_malloc, wrap_dbg_realloc, wrap_dbg_free_ex);
50#   else
51	OPENSSL_malloc_init();
52#   endif
53
54#  else
55
56#   ifdef WRAP_DBG_MALLOC
57	CRYPTO_set_mem_ex_functions(wrap_dbg_malloc, wrap_dbg_realloc, wrap_dbg_free);
58#   else
59	CRYPTO_malloc_init();
60#   endif
61
62#endif /* OpenSSL version cascade */
63}
64#else	/* !OPENSSL || !SYS_WINNT */
65#define ssl_applink()	do {} while (0)
66#endif
67
68
69#ifdef WRAP_DBG_MALLOC
70/*
71 * OpenSSL malloc overriding uses different parameters
72 * for DEBUG malloc/realloc/free (lacking block type).
73 * Simple wrappers convert.
74 */
75static void *wrap_dbg_malloc(size_t s, const char *f, int l)
76{
77	void *ret;
78
79	ret = _malloc_dbg(s, _NORMAL_BLOCK, f, l);
80	return ret;
81}
82
83static void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l)
84{
85	void *ret;
86
87	ret = _realloc_dbg(p, s, _NORMAL_BLOCK, f, l);
88	return ret;
89}
90
91static void wrap_dbg_free(void *p)
92{
93	_free_dbg(p, _NORMAL_BLOCK);
94}
95
96static void wrap_dbg_free_ex(void *p, const char *f, int l)
97{
98	(void)f;
99	(void)l;
100	_free_dbg(p, _NORMAL_BLOCK);
101}
102#endif	/* WRAP_DBG_MALLOC */
103