test/shlibloadtest.c

   1 /*
   2  * Copyright 2016-2017 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the OpenSSL license (the "License").  You may not use
   5  * this file except in compliance with the License.  You can obtain a copy
   6  * in the file LICENSE in the source distribution or at
   7  * https://www.openssl.org/source/license.html
   8  */
   9
  10 #include <stdio.h>
  11 #include <string.h>
  12 #include <stdlib.h>
  13 #include <openssl/opensslv.h>
  14 #include <openssl/ssl.h>
  15 #include <openssl/ossl_typ.h>
  16 #include "testutil.h"
  17
  18 typedef const SSL_METHOD * (*TLS_method_t)(void);
  19 typedef SSL_CTX * (*SSL_CTX_new_t)(const SSL_METHOD *meth);
  20 typedef void (*SSL_CTX_free_t)(SSL_CTX *);
  21 typedef unsigned long (*ERR_get_error_t)(void);
  22 typedef unsigned long (*OpenSSL_version_num_t)(void);
  23
  24 typedef enum test_types_en {
  25     CRYPTO_FIRST,
  26     SSL_FIRST,
  27     JUST_CRYPTO
  28 } TEST_TYPE;
  29
  30 static TEST_TYPE test_type;
  31 static const char *path_crypto;
  32 static const char *path_ssl;
  33
  34 #ifdef DSO_DLFCN
  35
  36 # include <dlfcn.h>
  37
  38 # define SHLIB_INIT NULL
  39
  40 typedef void *SHLIB;
  41 typedef void *SHLIB_SYM;
  42
  43 static int shlib_load(const char *filename, SHLIB *lib)
  44 {
  45     *lib = dlopen(filename, RTLD_GLOBAL | RTLD_LAZY);
  46     return *lib == NULL ? 0 : 1;
  47 }
  48
  49 static int shlib_sym(SHLIB lib, const char *symname, SHLIB_SYM *sym)
  50 {
  51     *sym = dlsym(lib, symname);
  52     return *sym != NULL;
  53 }
  54
  55 # ifdef OPENSSL_USE_NODELETE
  56 static int shlib_close(SHLIB lib)
  57 {
  58     return dlclose(lib) != 0 ? 0 : 1;
  59 }
  60 # endif
  61 #endif
  62
  63 #ifdef DSO_WIN32
  64
  65 # include <windows.h>
  66
  67 # define SHLIB_INIT 0
  68
  69 typedef HINSTANCE SHLIB;
  70 typedef void *SHLIB_SYM;
  71
  72 static int shlib_load(const char *filename, SHLIB *lib)
  73 {
  74     *lib = LoadLibraryA(filename);
  75     return *lib == NULL ? 0 : 1;
  76 }
  77
  78 static int shlib_sym(SHLIB lib, const char *symname, SHLIB_SYM *sym)
  79 {
  80     *sym = (SHLIB_SYM)GetProcAddress(lib, symname);
  81     return *sym != NULL;
  82 }
  83
  84 # ifdef OPENSSL_USE_NODELETE
  85 static int shlib_close(SHLIB lib)
  86 {
  87     return FreeLibrary(lib) == 0 ? 0 : 1;
  88 }
  89 # endif
  90 #endif
  91
  92
  93 #if defined(DSO_DLFCN) || defined(DSO_WIN32)
  94
  95 static int test_lib(void)
  96 {
  97     SHLIB ssllib = SHLIB_INIT;
  98     SHLIB cryptolib = SHLIB_INIT;
  99     SSL_CTX *ctx;
 100     union {
 101         void (*func)(void);
 102         SHLIB_SYM sym;
 103     } symbols[3];
 104     TLS_method_t myTLS_method;
 105     SSL_CTX_new_t mySSL_CTX_new;
 106     SSL_CTX_free_t mySSL_CTX_free;
 107     ERR_get_error_t myERR_get_error;
 108     OpenSSL_version_num_t myOpenSSL_version_num;
 109     int result = 0;
 110
 111     switch (test_type) {
 112     case JUST_CRYPTO:
 113         if (!TEST_true(shlib_load(path_crypto, &cryptolib)))
 114             goto end;
 115         break;
 116     case CRYPTO_FIRST:
 117         if (!TEST_true(shlib_load(path_crypto, &cryptolib))
 118                 || !TEST_true(shlib_load(path_ssl, &ssllib)))
 119             goto end;
 120         break;
 121     case SSL_FIRST:
 122         if (!TEST_true(shlib_load(path_ssl, &ssllib))
 123                 || !TEST_true(shlib_load(path_crypto, &cryptolib)))
 124             goto end;
 125         break;
 126     }
 127
 128     if (test_type != JUST_CRYPTO) {
 129         if (!TEST_true(shlib_sym(ssllib, "TLS_method", &symbols[0].sym))
 130                 || !TEST_true(shlib_sym(ssllib, "SSL_CTX_new", &symbols[1].sym))
 131                 || !TEST_true(shlib_sym(ssllib, "SSL_CTX_free", &symbols[2].sym)))
 132             goto end;
 133         myTLS_method = (TLS_method_t)symbols[0].func;
 134         mySSL_CTX_new = (SSL_CTX_new_t)symbols[1].func;
 135         mySSL_CTX_free = (SSL_CTX_free_t)symbols[2].func;
 136         if (!TEST_ptr(ctx = mySSL_CTX_new(myTLS_method())))
 137             goto end;
 138         mySSL_CTX_free(ctx);
 139     }
 140
 141     if (!TEST_true(shlib_sym(cryptolib, "ERR_get_error", &symbols[0].sym))
 142             || !TEST_true(shlib_sym(cryptolib, "OpenSSL_version_num",
 143                                     &symbols[1].sym)))
 144         goto end;
 145     myERR_get_error = (ERR_get_error_t)symbols[0].func;
 146     if (!TEST_int_eq(myERR_get_error(), 0))
 147         goto end;
 148     myOpenSSL_version_num = (OpenSSL_version_num_t)symbols[1].func;
 149     if (!TEST_int_eq(myOpenSSL_version_num(), OPENSSL_VERSION_NUMBER))
 150         goto end;
 151
 152 #ifdef OPENSSL_USE_NODELETE
 153     switch (test_type) {
 154     case JUST_CRYPTO:
 155         if (!TEST_true(shlib_close(cryptolib)))
 156             goto end;
 157         break;
 158     case CRYPTO_FIRST:
 159         if (!TEST_true(shlib_close(cryptolib))
 160                 || !TEST_true(shlib_close(ssllib)))
 161             goto end;
 162         break;
 163     case SSL_FIRST:
 164         if (!TEST_true(shlib_close(ssllib))
 165                 || !TEST_true(shlib_close(cryptolib)))
 166             goto end;
 167         break;
 168     }
 169 #endif
 170
 171     result = 1;
 172 end:
 173     return result;
 174 }
 175 #endif
 176
 177
 178 int test_main(int argc, char **argv)
 179 {
 180     if (argc != 4) {
 181         TEST_error("Unexpected number of arguments");
 182         return EXIT_FAILURE;
 183     }
 184
 185     if (strcmp(argv[1], "-crypto_first") == 0) {
 186         test_type = CRYPTO_FIRST;
 187     } else if (strcmp(argv[1], "-ssl_first") == 0) {
 188         test_type = SSL_FIRST;
 189     } else if (strcmp(argv[1], "-just_crypto") == 0) {
 190         test_type = JUST_CRYPTO;
 191     } else {
 192         TEST_error("Unrecognised argument");
 193         return EXIT_FAILURE;
 194     }
 195     path_crypto = argv[2];
 196     path_ssl = argv[3];
 197
 198 #if defined(DSO_DLFCN) || defined(DSO_WIN32)
 199     ADD_TEST(test_lib);
 200 #endif
 201     return run_tests(argv[0]);
 202 }