ssl_applink.c revision 330141 
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
30static void *wrap_dbg_malloc(size_t s, const char *f, int l);
31static void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l);
32static void wrap_dbg_free(void *p);
33static void wrap_dbg_free_ex(void *p, const char *f, int l);
34#endif
35
36
37#if defined(OPENSSL) && defined(SYS_WINNT)
38
39void ssl_applink(void);
40
41void
42ssl_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 */
73static 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
81static 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
89static void wrap_dbg_free(void *p)
90{
91	_free_dbg(p, _NORMAL_BLOCK);
92}
93
94static 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