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 || OPENSSL_VERSION_NUMBER >= 0x10101000L
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
ssl_applink(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 */
wrap_dbg_malloc(size_t s,const char * f,int l)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
wrap_dbg_realloc(void * p,size_t s,const char * f,int l)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
wrap_dbg_free(void * p)89 static void wrap_dbg_free(void *p)
90 {
91 _free_dbg(p, _NORMAL_BLOCK);
92 }
93
wrap_dbg_free_ex(void * p,const char * f,int l)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