xref: /freebsd/contrib/ntp/include/ssl_applink.c (revision d6b92ffa)
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 void *wrap_dbg_malloc(size_t s, const char *f, int l);
31 void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l);
32 void wrap_dbg_free(void *p);
33 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 #   ifdef WRAP_DBG_MALLOC
46 	CRYPTO_set_mem_functions(wrap_dbg_malloc, wrap_dbg_realloc, wrap_dbg_free_ex);
47 #   else
48 	OPENSSL_malloc_init();
49 #   endif
50 #else
51 #   ifdef WRAP_DBG_MALLOC
52 	CRYPTO_set_mem_ex_functions(wrap_dbg_malloc, wrap_dbg_realloc, wrap_dbg_free);
53 #   else
54 	CRYPTO_malloc_init();
55 #   endif
56 #endif /* OpenSSL version cascade */
57 }
58 #else	/* !OPENSSL || !SYS_WINNT */
59 #define ssl_applink()	do {} while (0)
60 #endif
61 
62 
63 #ifdef WRAP_DBG_MALLOC
64 /*
65  * OpenSSL malloc overriding uses different parameters
66  * for DEBUG malloc/realloc/free (lacking block type).
67  * Simple wrappers convert.
68  */
69 void *wrap_dbg_malloc(size_t s, const char *f, int l)
70 {
71 	void *ret;
72 
73 	ret = _malloc_dbg(s, _NORMAL_BLOCK, f, l);
74 	return ret;
75 }
76 
77 void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l)
78 {
79 	void *ret;
80 
81 	ret = _realloc_dbg(p, s, _NORMAL_BLOCK, f, l);
82 	return ret;
83 }
84 
85 void wrap_dbg_free(void *p)
86 {
87 	_free_dbg(p, _NORMAL_BLOCK);
88 }
89 
90 void wrap_dbg_free_ex(void *p, const char *f, int l)
91 {
92 	(void)f;
93 	(void)l;
94 	_free_dbg(p, _NORMAL_BLOCK);
95 }
96 #endif	/* WRAP_DBG_MALLOC */
97