Commit 8ec0a2fe authored by Matt Caswell's avatar Matt Caswell
Browse files

Don't link shlibloadtest against libcrypto 



The whole point of shlibloadtest is to test dynamically loading and
unloading the library. If we link shlibloadtest against libcrypto then that
might mask potential issues.

Reviewed-by: default avatarTim Hudson <tjh@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7983)
parent c2b3db24

test/build.info

+0 −1
Original line number Diff line number Diff line
@@ -389,7 +389,6 @@ INCLUDE_MAIN___test_libtestutil_OLB = /INCLUDE=MAIN 
    PROGRAMS_NO_INST=shlibloadtest

    SOURCE[shlibloadtest]=shlibloadtest.c

    INCLUDE[shlibloadtest]=../include ../crypto/include

    DEPEND[shlibloadtest]=libtestutil.a

  ENDIF



  IF[{- $disabled{shared} -}]

test/shlibloadtest.c

+85 −50
Original line number Diff line number Diff line
@@ -14,7 +14,6 @@ 
#include <openssl/ssl.h>

#include <openssl/ossl_typ.h>

#include "internal/dso_conf.h"

#include "testutil.h"



typedef void DSO;
@@ -118,56 +117,63 @@ static int test_lib(void) 
    switch (test_type) {

    case JUST_CRYPTO:

    case DSO_REFTEST:

        if (!TEST_true(shlib_load(path_crypto, &cryptolib)))

            goto end;

        break;

    case CRYPTO_FIRST:

        if (!TEST_true(shlib_load(path_crypto, &cryptolib))

                || !TEST_true(shlib_load(path_ssl, &ssllib)))

        if (!shlib_load(path_crypto, &cryptolib)) {

            fprintf(stderr, "Failed to load libcrypto\n");

            goto end;

        }

        if (test_type != CRYPTO_FIRST)

            break;

        /* Fall through */



    case SSL_FIRST:

        if (!TEST_true(shlib_load(path_ssl, &ssllib))

                || !TEST_true(shlib_load(path_crypto, &cryptolib)))

        if (!shlib_load(path_ssl, &ssllib)) {

            fprintf(stderr, "Failed to load libssl\n");

            goto end;

        }

        if (test_type != SSL_FIRST)

            break;

        if (!shlib_load(path_crypto, &cryptolib)) {

            fprintf(stderr, "Failed to load libcrypto\n");

            goto end;

        }

        break;

    }



    if (test_type != JUST_CRYPTO && test_type != DSO_REFTEST) {

        if (!TEST_true(shlib_sym(ssllib, "TLS_method", &symbols[0].sym))

                || !TEST_true(shlib_sym(ssllib, "SSL_CTX_new", &symbols[1].sym))

                || !TEST_true(shlib_sym(ssllib, "SSL_CTX_free", &symbols[2].sym)))

        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)) {

            fprintf(stderr, "Failed to load libssl symbols\n");

            goto end;

        }

        myTLS_method = (TLS_method_t)symbols[0].func;

        mySSL_CTX_new = (SSL_CTX_new_t)symbols[1].func;

        mySSL_CTX_free = (SSL_CTX_free_t)symbols[2].func;

        if (!TEST_ptr(ctx = mySSL_CTX_new(myTLS_method())))

        ctx = mySSL_CTX_new(myTLS_method());

        if (ctx == NULL) {

            fprintf(stderr, "Failed to create SSL_CTX\n");

            goto end;

        }

        mySSL_CTX_free(ctx);

    }



    if (!TEST_true(shlib_sym(cryptolib, "ERR_get_error", &symbols[0].sym))

            || !TEST_true(shlib_sym(cryptolib, "OpenSSL_version_num",

                                    &symbols[1].sym)))

    if (!shlib_sym(cryptolib, "ERR_get_error", &symbols[0].sym)

           || !shlib_sym(cryptolib, "OpenSSL_version_num", &symbols[1].sym)) {

        fprintf(stderr, "Failed to load libcrypto symbols\n");

        goto end;

    }

    myERR_get_error = (ERR_get_error_t)symbols[0].func;

    if (!TEST_int_eq(myERR_get_error(), 0))

    if (myERR_get_error() != 0) {

        fprintf(stderr, "Unexpected ERR_get_error() response\n");

        goto end;

    }



    /*

     * The bits that COMPATIBILITY_MASK lets through MUST be the same in

     * the library and in the application.

     * The bits that are masked away MUST be a larger or equal number in

     * the library compared to the application.

     */

# define COMPATIBILITY_MASK 0xfff00000L

    myOpenSSL_version_num = (OpenSSL_version_num_t)symbols[1].func;

    if (!TEST_int_eq(myOpenSSL_version_num() & COMPATIBILITY_MASK,

                     OPENSSL_VERSION_NUMBER & COMPATIBILITY_MASK))

        goto end;

    if (!TEST_int_ge(myOpenSSL_version_num() & ~COMPATIBILITY_MASK,

                     OPENSSL_VERSION_NUMBER & ~COMPATIBILITY_MASK))

    if (myOpenSSL_version_num()  != OPENSSL_VERSION_NUMBER) {

        fprintf(stderr, "Invalid library version number\n");

        goto end;

    }



    if (test_type == DSO_REFTEST) {

# ifdef DSO_DLFCN
@@ -182,10 +188,11 @@ static int test_lib(void) 
         * will always return an error, because DSO_pathbyaddr() is not

         * implemented there.

         */

        if (!TEST_true(shlib_sym(cryptolib, "DSO_dsobyaddr", &symbols[0].sym))

                || !TEST_true(shlib_sym(cryptolib, "DSO_free",

                                        &symbols[1].sym)))

        if (!shlib_sym(cryptolib, "DSO_dsobyaddr", &symbols[0].sym)

                || !shlib_sym(cryptolib, "DSO_free", &symbols[1].sym)) {

            fprintf(stderr, "Unable to load DSO symbols\n");

            goto end;

        }



        myDSO_dsobyaddr = (DSO_dsobyaddr_t)symbols[0].func;

        myDSO_free = (DSO_free_t)symbols[1].func;
@@ -193,8 +200,11 @@ static int test_lib(void) 
        {

            DSO *hndl;

            /* use known symbol from crypto module */

            if (!TEST_ptr(hndl = myDSO_dsobyaddr((void (*)(void))ERR_get_error, 0)))

            hndl = myDSO_dsobyaddr((void (*)(void))myERR_get_error, 0);

            if (hndl == NULL) {

                fprintf(stderr, "DSO_dsobyaddr() failed\n");

                goto end;

            }

            myDSO_free(hndl);

        }

# endif /* DSO_DLFCN */
@@ -203,18 +213,27 @@ static int test_lib(void) 
    switch (test_type) {

    case JUST_CRYPTO:

    case DSO_REFTEST:

        if (!TEST_true(shlib_close(cryptolib)))

            goto end;

        break;

    case CRYPTO_FIRST:

        if (!TEST_true(shlib_close(cryptolib))

                || !TEST_true(shlib_close(ssllib)))

        if (!shlib_close(cryptolib)) {

            fprintf(stderr, "Failed to close libcrypto\n");

            goto end;

        }

        if (test_type != CRYPTO_FIRST)

            break;

        /* Fall through */



    case SSL_FIRST:

        if (!TEST_true(shlib_close(ssllib))

                || !TEST_true(shlib_close(cryptolib)))

        if (test_type == CRYPTO_FIRST && !shlib_close(ssllib)) {

            fprintf(stderr, "Failed to close libssl\n");

            goto end;

        }

        if (test_type != SSL_FIRST)

            break;



        if (!shlib_close(cryptolib)) {

            fprintf(stderr, "Failed to close libcrypto\n");

            goto end;

        }

        break;

    }
@@ -225,9 +244,21 @@ end: 
#endif





int setup_tests(void)

/*

 * shlibloadtest should not use the normal test framework because we don't want

 * it to link against libcrypto (which the framework uses). The point of the

 * test is to check dynamic loading and unloading of libcrypto/libssl.

 */

int main(int argc, char *argv[])

{

    const char *p = test_get_argument(0);

    const char *p;



    if (argc != 4) {

        fprintf(stderr, "Incorrect number of arguments");

        return 1;

    }



    p = argv[1];



    if (strcmp(p, "-crypto_first") == 0) {

        test_type = CRYPTO_FIRST;
@@ -238,15 +269,19 @@ int setup_tests(void) 
    } else if (strcmp(p, "-dso_ref") == 0) {

        test_type = DSO_REFTEST;

    } else {

        TEST_error("Unrecognised argument");

        return 0;

        fprintf(stderr, "Unrecognised argument");

        return 1;

    }

    path_crypto = argv[2];

    path_ssl = argv[3];

    if (path_crypto == NULL || path_ssl == NULL) {

        fprintf(stderr, "Invalid libcrypto/libssl path\n");

        return 1;

    }

    if (!TEST_ptr(path_crypto = test_get_argument(1))

            || !TEST_ptr(path_ssl = test_get_argument(2)))

        return 0;



#if defined(DSO_DLFCN) || defined(DSO_WIN32)

    ADD_TEST(test_lib);

#endif

    if (!test_lib())

        return 1;

#endif

    return 0;

}