1 /* $NetBSD: ssl_applink.c,v 1.7 2020/05/25 20:47:20 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 32 static void *wrap_dbg_malloc(size_t s, const char *f, int l); 33 static void *wrap_dbg_realloc(void *p, size_t s, const char *f, int l); 34 static void wrap_dbg_free(void *p); 35 static void wrap_dbg_free_ex(void *p, const char *f, int l); 36 #endif 37 38 39 #if defined(OPENSSL) && defined(SYS_WINNT) 40 41 void ssl_applink(void); 42 43 void 44 ssl_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 */ 75 static 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 83 static 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 91 static void wrap_dbg_free(void *p) 92 { 93 _free_dbg(p, _NORMAL_BLOCK); 94 } 95 96 static 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