diff options
Diffstat (limited to 'debug/test-strcpy_chk.c')
-rw-r--r-- | debug/test-strcpy_chk.c | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/debug/test-strcpy_chk.c b/debug/test-strcpy_chk.c deleted file mode 100644 index 8b729bd6ba..0000000000 --- a/debug/test-strcpy_chk.c +++ /dev/null @@ -1,356 +0,0 @@ -/* Test and measure __strcpy_chk functions. - Copyright (C) 1999-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Written by Jakub Jelinek <jakub@redhat.com>, 1999. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#ifndef STRCPY_RESULT -# define STRCPY_RESULT(dst, len) dst -# define TEST_MAIN -# define TEST_NAME "strcpy_chk" -# include "../string/test-string.h" - -/* This test case implicitly tests the availability of the __chk_fail - symbol, which is part of the public ABI and may be used - externally. */ -extern void __attribute__ ((noreturn)) __chk_fail (void); -char *simple_strcpy_chk (char *, const char *, size_t); -extern char *normal_strcpy (char *, const char *, size_t) - __asm ("strcpy"); -extern char *__strcpy_chk (char *, const char *, size_t); - -IMPL (simple_strcpy_chk, 0) -IMPL (normal_strcpy, 1) -IMPL (__strcpy_chk, 2) - -char * -simple_strcpy_chk (char *dst, const char *src, size_t len) -{ - char *ret = dst; - if (! len) - __chk_fail (); - while ((*dst++ = *src++) != '\0') - if (--len == 0) - __chk_fail (); - return ret; -} -#endif - -#include <fcntl.h> -#include <paths.h> -#include <setjmp.h> -#include <signal.h> - -static int test_main (void); -#define TEST_FUNCTION test_main -#include <support/test-driver.c> -#include <support/support.h> - -volatile int chk_fail_ok; -jmp_buf chk_fail_buf; - -static void -handler (int sig) -{ - if (chk_fail_ok) - { - chk_fail_ok = 0; - longjmp (chk_fail_buf, 1); - } - else - _exit (127); -} - -typedef char *(*proto_t) (char *, const char *, size_t); - -static void -do_one_test (impl_t *impl, char *dst, const char *src, - size_t len, size_t dlen) -{ - char *res; - if (dlen <= len) - { - if (impl->test == 1) - return; - - chk_fail_ok = 1; - if (setjmp (chk_fail_buf) == 0) - { - res = CALL (impl, dst, src, dlen); - printf ("*** Function %s (%zd; %zd) did not __chk_fail\n", - impl->name, len, dlen); - chk_fail_ok = 0; - ret = 1; - } - return; - } - else - res = CALL (impl, dst, src, dlen); - - if (res != STRCPY_RESULT (dst, len)) - { - printf ("Wrong result in function %s %p %p\n", impl->name, - res, STRCPY_RESULT (dst, len)); - ret = 1; - return; - } - - if (strcmp (dst, src) != 0) - { - printf ("Wrong result in function %s dst \"%s\" src \"%s\"\n", - impl->name, dst, src); - ret = 1; - return; - } -} - -static void -do_test (size_t align1, size_t align2, size_t len, size_t dlen, int max_char) -{ - size_t i; - char *s1, *s2; - - align1 &= 7; - if (align1 + len >= page_size) - return; - - align2 &= 7; - if (align2 + len >= page_size) - return; - - s1 = (char *) buf1 + align1; - s2 = (char *) buf2 + align2; - - for (i = 0; i < len; i++) - s1[i] = 32 + 23 * i % (max_char - 32); - s1[len] = 0; - - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, s2, s1, len, dlen); -} - -static void -do_random_tests (void) -{ - size_t i, j, n, align1, align2, len, dlen; - unsigned char *p1 = buf1 + page_size - 512; - unsigned char *p2 = buf2 + page_size - 512; - unsigned char *res; - - for (n = 0; n < ITERATIONS; n++) - { - align1 = random () & 31; - if (random () & 1) - align2 = random () & 31; - else - align2 = align1 + (random () & 24); - len = random () & 511; - j = align1; - if (align2 > j) - j = align2; - if (len + j >= 511) - len = 510 - j - (random () & 7); - j = len + align1 + 64; - if (j > 512) - j = 512; - for (i = 0; i < j; i++) - { - if (i == len + align1) - p1[i] = 0; - else - { - p1[i] = random () & 255; - if (i >= align1 && i < len + align1 && !p1[i]) - p1[i] = (random () & 127) + 3; - } - } - - switch (random () & 7) - { - case 0: - dlen = len - (random () & 31); - if (dlen > len) - dlen = len; - break; - case 1: - dlen = (size_t) -1; - break; - case 2: - dlen = len + 1 + (random () & 65535); - break; - case 3: - dlen = len + 1 + (random () & 255); - break; - case 4: - dlen = len + 1 + (random () & 31); - break; - case 5: - dlen = len + 1 + (random () & 7); - break; - case 6: - dlen = len + 1 + (random () & 3); - break; - default: - dlen = len + 1; - break; - } - - FOR_EACH_IMPL (impl, 1) - { - if (dlen <= len) - { - if (impl->test != 1) - { - chk_fail_ok = 1; - if (setjmp (chk_fail_buf) == 0) - { - res = (unsigned char *) - CALL (impl, (char *) p2 + align2, - (char *) p1 + align1, dlen); - printf ("Iteration %zd - did not __chk_fail\n", n); - chk_fail_ok = 0; - ret = 1; - } - } - continue; - } - memset (p2 - 64, '\1', 512 + 64); - res = (unsigned char *) - CALL (impl, (char *) p2 + align2, (char *) p1 + align1, dlen); - if (res != STRCPY_RESULT (p2 + align2, len)) - { - printf ("\ -Iteration %zd - wrong result in function %s (%zd, %zd, %zd) %p != %p\n", - n, impl->name, align1, align2, len, res, - STRCPY_RESULT (p2 + align2, len)); - ret = 1; - } - for (j = 0; j < align2 + 64; ++j) - { - if (p2[j - 64] != '\1') - { - printf ("\ -Iteration %zd - garbage before, %s (%zd, %zd, %zd)\n", - n, impl->name, align1, align2, len); - ret = 1; - break; - } - } - for (j = align2 + len + 1; j < 512; ++j) - { - if (p2[j] != '\1') - { - printf ("\ -Iteration %zd - garbage after, %s (%zd, %zd, %zd)\n", - n, impl->name, align1, align2, len); - ret = 1; - break; - } - } - if (memcmp (p1 + align1, p2 + align2, len + 1)) - { - printf ("\ -Iteration %zd - different strings, %s (%zd, %zd, %zd)\n", - n, impl->name, align1, align2, len); - ret = 1; - } - } - } -} - -static int -test_main (void) -{ - size_t i; - - set_fortify_handler (handler); - - test_init (); - - printf ("%23s", ""); - FOR_EACH_IMPL (impl, 0) - printf ("\t%s", impl->name); - putchar ('\n'); - - for (i = 0; i < 16; ++i) - { - do_test (0, 0, i, i + 1, 127); - do_test (0, 0, i, i + 1, 255); - do_test (0, i, i, i + 1, 127); - do_test (i, 0, i, i + 1, 255); - } - - for (i = 1; i < 8; ++i) - { - do_test (0, 0, 8 << i, (8 << i) + 1, 127); - do_test (8 - i, 2 * i, (8 << i), (8 << i) + 1, 127); - } - - for (i = 1; i < 8; ++i) - { - do_test (i, 2 * i, (8 << i), (8 << i) + 1, 127); - do_test (2 * i, i, (8 << i), (8 << i) + 1, 255); - do_test (i, i, (8 << i), (8 << i) + 1, 127); - do_test (i, i, (8 << i), (8 << i) + 1, 255); - } - - for (i = 0; i < 16; ++i) - { - do_test (0, 0, i, i + 256, 127); - do_test (0, 0, i, i + 256, 255); - do_test (0, i, i, i + 256, 127); - do_test (i, 0, i, i + 256, 255); - } - - for (i = 1; i < 8; ++i) - { - do_test (0, 0, 8 << i, (8 << i) + 256, 127); - do_test (8 - i, 2 * i, (8 << i), (8 << i) + 256, 127); - } - - for (i = 1; i < 8; ++i) - { - do_test (i, 2 * i, (8 << i), (8 << i) + 256, 127); - do_test (2 * i, i, (8 << i), (8 << i) + 256, 255); - do_test (i, i, (8 << i), (8 << i) + 256, 127); - do_test (i, i, (8 << i), (8 << i) + 256, 255); - } - - for (i = 0; i < 16; ++i) - { - do_test (0, 0, i, i, 127); - do_test (0, 0, i, i + 2, 255); - do_test (0, i, i, i + 3, 127); - do_test (i, 0, i, i + 4, 255); - } - - for (i = 1; i < 8; ++i) - { - do_test (0, 0, 8 << i, (8 << i) - 15, 127); - do_test (8 - i, 2 * i, (8 << i), (8 << i) + 5, 127); - } - - for (i = 1; i < 8; ++i) - { - do_test (i, 2 * i, (8 << i), (8 << i) + i, 127); - do_test (2 * i, i, (8 << i), (8 << i) + (i - 1), 255); - do_test (i, i, (8 << i), (8 << i) + i + 2, 127); - do_test (i, i, (8 << i), (8 << i) + i + 3, 255); - } - - do_random_tests (); - return ret; -} |