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TEST: Break out the local dynamic loading code from shlibloadtest.c

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The result is "simpledynamic.c", or "sd" for short.

Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/13507)
This commit is contained in:
Richard Levitte 2020-11-25 07:56:08 +01:00
parent 1234aa7e41
commit 9800b1a0da
4 changed files with 143 additions and 83 deletions
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2
test/build.info
View File

@ -432,7 +432,7 @@ IF[{- !$disabled{tests} -}]
IF[{- !$disabled{shared} -}]
PROGRAMS{noinst}=shlibloadtest
SOURCE[shlibloadtest]=shlibloadtest.c
SOURCE[shlibloadtest]=shlibloadtest.c simpledynamic.c
INCLUDE[shlibloadtest]=../include ../apps/include
ENDIF

104
test/shlibloadtest.c
View File

@ -13,7 +13,7 @@
#include <openssl/opensslv.h>
#include <openssl/ssl.h>
#include <openssl/types.h>
#include "crypto/dso_conf.h"
#include "simpledynamic.h"
typedef void DSO;
@ -42,67 +42,7 @@ static const char *path_crypto;
static const char *path_ssl;
static const char *path_atexit;
#ifdef DSO_DLFCN
# include <dlfcn.h>
# define SHLIB_INIT NULL
typedef void *SHLIB;
typedef void *SHLIB_SYM;
static int shlib_load(const char *filename, SHLIB *lib)
{
int dl_flags = (RTLD_GLOBAL|RTLD_LAZY);
#ifdef _AIX
if (filename[strlen(filename) - 1] == ')')
dl_flags |= RTLD_MEMBER;
#endif
*lib = dlopen(filename, dl_flags);
return *lib == NULL ? 0 : 1;
}
static int shlib_sym(SHLIB lib, const char *symname, SHLIB_SYM *sym)
{
*sym = dlsym(lib, symname);
return *sym != NULL;
}
static int shlib_close(SHLIB lib)
{
return dlclose(lib) != 0 ? 0 : 1;
}
#endif
#ifdef DSO_WIN32
# include <windows.h>
# define SHLIB_INIT 0
typedef HINSTANCE SHLIB;
typedef void *SHLIB_SYM;
static int shlib_load(const char *filename, SHLIB *lib)
{
*lib = LoadLibraryA(filename);
return *lib == NULL ? 0 : 1;
}
static int shlib_sym(SHLIB lib, const char *symname, SHLIB_SYM *sym)
{
*sym = (SHLIB_SYM)GetProcAddress(lib, symname);
return *sym != NULL;
}
static int shlib_close(SHLIB lib)
{
return FreeLibrary(lib) == 0 ? 0 : 1;
}
#endif
#if defined(DSO_DLFCN) || defined(DSO_WIN32)
#ifdef SD_INIT
static int atexit_handler_done = 0;
@ -120,12 +60,12 @@ static void atexit_handler(void)
static int test_lib(void)
{
SHLIB ssllib = SHLIB_INIT;
SHLIB cryptolib = SHLIB_INIT;
SD ssllib = SD_INIT;
SD cryptolib = SD_INIT;
SSL_CTX *ctx;
union {
void (*func)(void);
SHLIB_SYM sym;
SD_SYM sym;
} symbols[5];
TLS_method_t myTLS_method;
SSL_CTX_new_t mySSL_CTX_new;
@ -142,7 +82,7 @@ static int test_lib(void)
case DSO_REFTEST:
case NO_ATEXIT:
case CRYPTO_FIRST:
if (!shlib_load(path_crypto, &cryptolib)) {
if (!sd_load(path_crypto, &cryptolib, SD_SHLIB)) {
fprintf(stderr, "Failed to load libcrypto\n");
goto end;
}
@ -151,13 +91,13 @@ static int test_lib(void)
/* Fall through */
case SSL_FIRST:
if (!shlib_load(path_ssl, &ssllib)) {
if (!sd_load(path_ssl, &ssllib, SD_SHLIB)) {
fprintf(stderr, "Failed to load libssl\n");
goto end;
}
if (test_type != SSL_FIRST)
break;
if (!shlib_load(path_crypto, &cryptolib)) {
if (!sd_load(path_crypto, &cryptolib, SD_SHLIB)) {
fprintf(stderr, "Failed to load libcrypto\n");
goto end;
}
@ -167,7 +107,7 @@ static int test_lib(void)
if (test_type == NO_ATEXIT) {
OPENSSL_init_crypto_t myOPENSSL_init_crypto;
if (!shlib_sym(cryptolib, "OPENSSL_init_crypto", &symbols[0].sym)) {
if (!sd_sym(cryptolib, "OPENSSL_init_crypto", &symbols[0].sym)) {
fprintf(stderr, "Failed to load OPENSSL_init_crypto symbol\n");
goto end;
}
@ -181,9 +121,9 @@ static int test_lib(void)
if (test_type != JUST_CRYPTO
&& test_type != DSO_REFTEST
&& test_type != NO_ATEXIT) {
if (!shlib_sym(ssllib, "TLS_method", &symbols[0].sym)
|| !shlib_sym(ssllib, "SSL_CTX_new", &symbols[1].sym)
|| !shlib_sym(ssllib, "SSL_CTX_free", &symbols[2].sym)) {
if (!sd_sym(ssllib, "TLS_method", &symbols[0].sym)
|| !sd_sym(ssllib, "SSL_CTX_new", &symbols[1].sym)
|| !sd_sym(ssllib, "SSL_CTX_free", &symbols[2].sym)) {
fprintf(stderr, "Failed to load libssl symbols\n");
goto end;
}
@ -198,11 +138,11 @@ static int test_lib(void)
mySSL_CTX_free(ctx);
}
if (!shlib_sym(cryptolib, "ERR_get_error", &symbols[0].sym)
|| !shlib_sym(cryptolib, "OPENSSL_version_major", &symbols[1].sym)
|| !shlib_sym(cryptolib, "OPENSSL_version_minor", &symbols[2].sym)
|| !shlib_sym(cryptolib, "OPENSSL_version_patch", &symbols[3].sym)
|| !shlib_sym(cryptolib, "OPENSSL_atexit", &symbols[4].sym)) {
if (!sd_sym(cryptolib, "ERR_get_error", &symbols[0].sym)
|| !sd_sym(cryptolib, "OPENSSL_version_major", &symbols[1].sym)
|| !sd_sym(cryptolib, "OPENSSL_version_minor", &symbols[2].sym)
|| !sd_sym(cryptolib, "OPENSSL_version_patch", &symbols[3].sym)
|| !sd_sym(cryptolib, "OPENSSL_atexit", &symbols[4].sym)) {
fprintf(stderr, "Failed to load libcrypto symbols\n");
goto end;
}
@ -242,8 +182,8 @@ static int test_lib(void)
* will always return an error, because DSO_pathbyaddr() is not
* implemented there.
*/
if (!shlib_sym(cryptolib, "DSO_dsobyaddr", &symbols[0].sym)
|| !shlib_sym(cryptolib, "DSO_free", &symbols[1].sym)) {
if (!sd_sym(cryptolib, "DSO_dsobyaddr", &symbols[0].sym)
|| !sd_sym(cryptolib, "DSO_free", &symbols[1].sym)) {
fprintf(stderr, "Unable to load DSO symbols\n");
goto end;
}
@ -264,13 +204,13 @@ static int test_lib(void)
# endif /* DSO_DLFCN */
}
if (!shlib_close(cryptolib)) {
if (!sd_close(cryptolib)) {
fprintf(stderr, "Failed to close libcrypto\n");
goto end;
}
if (test_type == CRYPTO_FIRST || test_type == SSL_FIRST) {
if (!shlib_close(ssllib)) {
if (!sd_close(ssllib)) {
fprintf(stderr, "Failed to close libssl\n");
goto end;
}
@ -338,7 +278,7 @@ int main(int argc, char *argv[])
return 1;
}
#if defined(DSO_DLFCN) || defined(DSO_WIN32)
#ifdef SD_INIT
if (!test_lib())
return 1;
#endif

76
test/simpledynamic.c Normal file
View File

@ -0,0 +1,76 @@
/*
* Copyright 2016-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdlib.h> /* For NULL */
#include <openssl/macros.h> /* For NON_EMPTY_TRANSLATION_UNIT */
#include "simpledynamic.h"
#if defined(DSO_DLFCN)
int sd_load(const char *filename, SD *lib, int type)
{
int dl_flags = type;
#ifdef _AIX
if (filename[strlen(filename) - 1] == ')')
dl_flags |= RTLD_MEMBER;
#endif
*lib = dlopen(filename, dl_flags);
return *lib == NULL ? 0 : 1;
}
int sd_sym(SD lib, const char *symname, SD_SYM *sym)
{
*sym = dlsym(lib, symname);
return *sym != NULL;
}
int sd_close(SD lib)
{
return dlclose(lib) != 0 ? 0 : 1;
}
const char *sd_error(void)
{
return dlerror();
}
#elif defined(DSO_WIN32)
nt sd_load(const char *filename, SD *lib, ossl_unused int type)
{
*lib = LoadLibraryA(filename);
return *lib == NULL ? 0 : 1;
}
int sd_sym(SD lib, const char *symname, SD_SYM *sym)
{
*sym = (SD_SYM)GetProcAddress(lib, symname);
return *sym != NULL;
}
int sd_close(SD lib)
{
return FreeLibrary(lib) == 0 ? 0 : 1;
}
const char *sd_error(void)
{
static char buffer[255];
buffer[0] = '\0';
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, GetLastError(), 0,
buffer, sizeof(buffer), NULL);
return buffer;
}
#else
NON_EMPTY_TRANSLATION_UNIT
#endif

44
test/simpledynamic.h Normal file
View File

@ -0,0 +1,44 @@
/*
* Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#ifndef OSSL_TEST_SIMPLEDYNAMIC_H
# define OSSL_TEST_SIMPLEDYNAMIC_H
# include "crypto/dso_conf.h"
# if defined(DSO_DLFCN)
# include <dlfcn.h>
# define SD_INIT NULL
# define SD_SHLIB (RTLD_GLOBAL|RTLD_LAZY)
# define SD_MODULE (RTLD_LOCAL|RTLD_NOW)
typedef void *SD;
typedef void *SD_SYM;
# elif defined(DSO_WIN32)
# include <windows.h>
# define SD_INIT 0
# define SD_SHLIB 0
# define SD_MODULE 0
typedef HINSTANCE SD;
typedef void *SD_SYM;
# endif
int sd_load(const char *filename, SD *sd, int type);
int sd_sym(SD sd, const char *symname, SD_SYM *sym);
int sd_close(SD lib);
const char *sd_error(void);
#endif