diff options
Diffstat (limited to 'debug/tst-chk1.c')
| -rw-r--r-- | debug/tst-chk1.c | 847 |
1 files changed, 836 insertions, 11 deletions
diff --git a/debug/tst-chk1.c b/debug/tst-chk1.c index 0df660d57f..c450744af5 100644 --- a/debug/tst-chk1.c +++ b/debug/tst-chk1.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2004 Free Software Foundation, Inc. +/* Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek <jakub@redhat.com>, 2004. @@ -17,7 +17,12 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ +/* Hack: make sure GCC doesn't know __chk_fail () will not return. */ +#define __noreturn__ + +#include <assert.h> #include <fcntl.h> +#include <locale.h> #include <paths.h> #include <setjmp.h> #include <signal.h> @@ -25,6 +30,9 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> +#include <wchar.h> +#include <sys/socket.h> +#include <sys/un.h> char *temp_filename; static void do_prepare (void); @@ -69,13 +77,20 @@ handler (int sig) } char buf[10]; +wchar_t wbuf[10]; volatile size_t l0; volatile char *p; +volatile wchar_t *wp; const char *str1 = "JIHGFEDCBA"; const char *str2 = "F"; const char *str3 = "%s%n%s%n"; const char *str4 = "Hello, "; const char *str5 = "World!\n"; +const wchar_t *wstr1 = L"JIHGFEDCBA"; +const wchar_t *wstr2 = L"F"; +const wchar_t *wstr3 = L"%s%n%s%n"; +const wchar_t *wstr4 = L"Hello, "; +const wchar_t *wstr5 = L"World!\n"; char buf2[10] = "%s"; int num1 = 67; int num2 = 987654; @@ -120,6 +135,7 @@ do_test (void) setenv ("LIBC_FATAL_STDERR_", "1", 1); struct A { char buf1[9]; char buf2[1]; } a; + struct wA { wchar_t buf1[9]; wchar_t buf2[1]; } wa; printf ("Test checking routines at fortify level %d\n", #ifdef __USE_FORTIFY_LEVEL @@ -135,7 +151,8 @@ do_test (void) if (memcmp (buf, "aabcdefghi", 10)) FAIL (); - if (mempcpy (buf + 5, "abcde", 5) != buf + 10 || memcmp (buf, "aabcdabcde", 10)) + if (mempcpy (buf + 5, "abcde", 5) != buf + 10 + || memcmp (buf, "aabcdabcde", 10)) FAIL (); memset (buf + 8, 'j', 2); @@ -166,7 +183,8 @@ do_test (void) if (memcmp (buf, "aabcdefghi", 10)) FAIL (); - if (mempcpy (buf + 5, "abcde", l0 + 5) != buf + 10 || memcmp (buf, "aabcdabcde", 10)) + if (mempcpy (buf + 5, "abcde", l0 + 5) != buf + 10 + || memcmp (buf, "aabcdabcde", 10)) FAIL (); memset (buf + 8, 'j', l0 + 2); @@ -184,20 +202,24 @@ do_test (void) if (memcmp (buf, "aabcEDX\0\0", 10)) FAIL (); - if (sprintf (buf + 7, "%d", num1) != 2 || memcmp (buf, "aabcEDX67", 10)) + if (stpncpy (buf + 5, "cd", l0 + 5) != buf + 7 + || memcmp (buf, "aabcEcd\0\0", 10)) + FAIL (); + + if (sprintf (buf + 7, "%d", num1) != 2 || memcmp (buf, "aabcEcd67", 10)) FAIL (); - if (snprintf (buf + 7, 3, "%d", num2) != 6 || memcmp (buf, "aabcEDX98", 10)) + if (snprintf (buf + 7, 3, "%d", num2) != 6 || memcmp (buf, "aabcEcd98", 10)) FAIL (); buf[l0 + 8] = '\0'; strcat (buf, "A"); - if (memcmp (buf, "aabcEDX9A", 10)) + if (memcmp (buf, "aabcEcd9A", 10)) FAIL (); buf[l0 + 7] = '\0'; strncat (buf, "ZYXWV", l0 + 2); - if (memcmp (buf, "aabcEDXZY", 10)) + if (memcmp (buf, "aabcEcdZY", 10)) FAIL (); memcpy (a.buf1, "abcdefghij", l0 + 10); @@ -213,7 +235,7 @@ do_test (void) if (memcmp (a.buf1, "aabcdabcjj", 10)) FAIL (); -#if __USE_FORTIFY_LEVEL < 2 +#if __USE_FORTIFY_LEVEL < 2 || !__GNUC_PREREQ (4, 0) /* The following tests are supposed to crash with -D_FORTIFY_SOURCE=2 and sufficient GCC support, as the string operations overflow from a.buf1 into a.buf2. */ @@ -221,14 +243,16 @@ do_test (void) if (memcmp (a.buf1, "aabcEDCBA", 10)) FAIL (); - if (stpcpy (a.buf1 + 8, str2) != a.buf1 + 9 || memcmp (a.buf1, "aabcEDCBF", 10)) + if (stpcpy (a.buf1 + 8, str2) != a.buf1 + 9 + || memcmp (a.buf1, "aabcEDCBF", 10)) FAIL (); strncpy (a.buf1 + 6, "X", l0 + 4); if (memcmp (a.buf1, "aabcEDX\0\0", 10)) FAIL (); - if (sprintf (a.buf1 + 7, "%d", num1) != 2 || memcmp (a.buf1, "aabcEDX67", 10)) + if (sprintf (a.buf1 + 7, "%d", num1) != 2 + || memcmp (a.buf1, "aabcEDX67", 10)) FAIL (); if (snprintf (a.buf1 + 7, 3, "%d", num2) != 6 @@ -279,6 +303,10 @@ do_test (void) CHK_FAIL_END CHK_FAIL_START + stpncpy (buf + 6, "cd", l0 + 5); + CHK_FAIL_END + + CHK_FAIL_START sprintf (buf + 8, "%d", num1); CHK_FAIL_END @@ -312,7 +340,7 @@ do_test (void) memset (a.buf1 + 9, 'j', l0 + 2); CHK_FAIL_END -#if __USE_FORTIFY_LEVEL >= 2 +#if __USE_FORTIFY_LEVEL >= 2 && __GNUC_PREREQ (4, 0) # define O 0 #else # define O 1 @@ -349,6 +377,219 @@ do_test (void) CHK_FAIL_END #endif + + /* These ops can be done without runtime checking of object size. */ + wmemcpy (wbuf, L"abcdefghij", 10); + wmemmove (wbuf + 1, wbuf, 9); + if (wmemcmp (wbuf, L"aabcdefghi", 10)) + FAIL (); + + if (wmempcpy (wbuf + 5, L"abcde", 5) != wbuf + 10 + || wmemcmp (wbuf, L"aabcdabcde", 10)) + FAIL (); + + wmemset (wbuf + 8, L'j', 2); + if (wmemcmp (wbuf, L"aabcdabcjj", 10)) + FAIL (); + + wcscpy (wbuf + 4, L"EDCBA"); + if (wmemcmp (wbuf, L"aabcEDCBA", 10)) + FAIL (); + + if (wcpcpy (wbuf + 8, L"F") != wbuf + 9 || wmemcmp (wbuf, L"aabcEDCBF", 10)) + FAIL (); + + wcsncpy (wbuf + 6, L"X", 4); + if (wmemcmp (wbuf, L"aabcEDX\0\0", 10)) + FAIL (); + + if (swprintf (wbuf + 7, 3, L"%ls", L"987654") >= 0 + || wmemcmp (wbuf, L"aabcEDX98", 10)) + FAIL (); + + if (swprintf (wbuf + 7, 3, L"64") != 2 + || wmemcmp (wbuf, L"aabcEDX64", 10)) + FAIL (); + + /* These ops need runtime checking, but shouldn't __chk_fail. */ + wmemcpy (wbuf, L"abcdefghij", l0 + 10); + wmemmove (wbuf + 1, wbuf, l0 + 9); + if (wmemcmp (wbuf, L"aabcdefghi", 10)) + FAIL (); + + if (wmempcpy (wbuf + 5, L"abcde", l0 + 5) != wbuf + 10 + || wmemcmp (wbuf, L"aabcdabcde", 10)) + FAIL (); + + wmemset (wbuf + 8, L'j', l0 + 2); + if (wmemcmp (wbuf, L"aabcdabcjj", 10)) + FAIL (); + + wcscpy (wbuf + 4, wstr1 + 5); + if (wmemcmp (wbuf, L"aabcEDCBA", 10)) + FAIL (); + + if (wcpcpy (wbuf + 8, wstr2) != wbuf + 9 || wmemcmp (wbuf, L"aabcEDCBF", 10)) + FAIL (); + + wcsncpy (wbuf + 6, L"X", l0 + 4); + if (wmemcmp (wbuf, L"aabcEDX\0\0", 10)) + FAIL (); + + if (wcpncpy (wbuf + 5, L"cd", l0 + 5) != wbuf + 7 + || wmemcmp (wbuf, L"aabcEcd\0\0", 10)) + FAIL (); + + if (swprintf (wbuf + 7, 3, L"%d", num2) >= 0 + || wmemcmp (wbuf, L"aabcEcd98", 10)) + FAIL (); + + wbuf[l0 + 8] = L'\0'; + wcscat (wbuf, L"A"); + if (wmemcmp (wbuf, L"aabcEcd9A", 10)) + FAIL (); + + wbuf[l0 + 7] = L'\0'; + wcsncat (wbuf, L"ZYXWV", l0 + 2); + if (wmemcmp (wbuf, L"aabcEcdZY", 10)) + FAIL (); + + wmemcpy (wa.buf1, L"abcdefghij", l0 + 10); + wmemmove (wa.buf1 + 1, wa.buf1, l0 + 9); + if (wmemcmp (wa.buf1, L"aabcdefghi", 10)) + FAIL (); + + if (wmempcpy (wa.buf1 + 5, L"abcde", l0 + 5) != wa.buf1 + 10 + || wmemcmp (wa.buf1, L"aabcdabcde", 10)) + FAIL (); + + wmemset (wa.buf1 + 8, L'j', l0 + 2); + if (wmemcmp (wa.buf1, L"aabcdabcjj", 10)) + FAIL (); + +#if __USE_FORTIFY_LEVEL < 2 + /* The following tests are supposed to crash with -D_FORTIFY_SOURCE=2 + and sufficient GCC support, as the string operations overflow + from a.buf1 into a.buf2. */ + wcscpy (wa.buf1 + 4, wstr1 + 5); + if (wmemcmp (wa.buf1, L"aabcEDCBA", 10)) + FAIL (); + + if (wcpcpy (wa.buf1 + 8, wstr2) != wa.buf1 + 9 + || wmemcmp (wa.buf1, L"aabcEDCBF", 10)) + FAIL (); + + wcsncpy (wa.buf1 + 6, L"X", l0 + 4); + if (wmemcmp (wa.buf1, L"aabcEDX\0\0", 10)) + FAIL (); + + if (swprintf (wa.buf1 + 7, 3, L"%d", num2) >= 0 + || wmemcmp (wa.buf1, L"aabcEDX98", 10)) + FAIL (); + + wa.buf1[l0 + 8] = L'\0'; + wcscat (wa.buf1, L"A"); + if (wmemcmp (wa.buf1, L"aabcEDX9A", 10)) + FAIL (); + + wa.buf1[l0 + 7] = L'\0'; + wcsncat (wa.buf1, L"ZYXWV", l0 + 2); + if (wmemcmp (wa.buf1, L"aabcEDXZY", 10)) + FAIL (); + +#endif + +#if __USE_FORTIFY_LEVEL >= 1 + /* Now check if all buffer overflows are caught at runtime. */ + + CHK_FAIL_START + wmemcpy (wbuf + 1, L"abcdefghij", l0 + 10); + CHK_FAIL_END + + CHK_FAIL_START + wmemmove (wbuf + 2, wbuf + 1, l0 + 9); + CHK_FAIL_END + + CHK_FAIL_START + wp = wmempcpy (wbuf + 6, L"abcde", l0 + 5); + CHK_FAIL_END + + CHK_FAIL_START + wmemset (wbuf + 9, L'j', l0 + 2); + CHK_FAIL_END + + CHK_FAIL_START + wcscpy (wbuf + 5, wstr1 + 5); + CHK_FAIL_END + + CHK_FAIL_START + wp = wcpcpy (wbuf + 9, wstr2); + CHK_FAIL_END + + CHK_FAIL_START + wcsncpy (wbuf + 7, L"X", l0 + 4); + CHK_FAIL_END + + CHK_FAIL_START + wcpncpy (wbuf + 6, L"cd", l0 + 5); + CHK_FAIL_END + + wmemcpy (wbuf, wstr1 + 2, l0 + 9); + CHK_FAIL_START + wcscat (wbuf, L"AB"); + CHK_FAIL_END + + wmemcpy (wbuf, wstr1 + 3, l0 + 8); + CHK_FAIL_START + wcsncat (wbuf, L"ZYXWV", l0 + 3); + CHK_FAIL_END + + CHK_FAIL_START + wmemcpy (wa.buf1 + 1, L"abcdefghij", l0 + 10); + CHK_FAIL_END + + CHK_FAIL_START + wmemmove (wa.buf1 + 2, wa.buf1 + 1, l0 + 9); + CHK_FAIL_END + + CHK_FAIL_START + wp = wmempcpy (wa.buf1 + 6, L"abcde", l0 + 5); + CHK_FAIL_END + + CHK_FAIL_START + wmemset (wa.buf1 + 9, L'j', l0 + 2); + CHK_FAIL_END + +#if __USE_FORTIFY_LEVEL >= 2 +# define O 0 +#else +# define O 1 +#endif + + CHK_FAIL_START + wcscpy (wa.buf1 + (O + 4), wstr1 + 5); + CHK_FAIL_END + + CHK_FAIL_START + wp = wcpcpy (wa.buf1 + (O + 8), wstr2); + CHK_FAIL_END + + CHK_FAIL_START + wcsncpy (wa.buf1 + (O + 6), L"X", l0 + 4); + CHK_FAIL_END + + wmemcpy (wa.buf1, wstr1 + (3 - O), l0 + 8 + O); + CHK_FAIL_START + wcscat (wa.buf1, L"AB"); + CHK_FAIL_END + + wmemcpy (wa.buf1, wstr1 + (4 - O), l0 + 7 + O); + CHK_FAIL_START + wcsncat (wa.buf1, L"ZYXWV", l0 + 3); + CHK_FAIL_END +#endif + + /* Now checks for %n protection. */ /* Constant literals passed directly are always ok @@ -455,6 +696,121 @@ do_test (void) CHK_FAIL_END #endif + rewind (stdin); + + if (fgets (buf, sizeof (buf), stdin) != buf + || memcmp (buf, "abcdefgh\n", 10)) + FAIL (); + if (fgets (buf, sizeof (buf), stdin) != buf || memcmp (buf, "ABCDEFGHI", 10)) + FAIL (); + + rewind (stdin); + + if (fgets (buf, l0 + sizeof (buf), stdin) != buf + || memcmp (buf, "abcdefgh\n", 10)) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (fgets (buf, sizeof (buf) + 1, stdin) != buf) + FAIL (); + CHK_FAIL_END + + CHK_FAIL_START + if (fgets (buf, l0 + sizeof (buf) + 1, stdin) != buf) + FAIL (); + CHK_FAIL_END +#endif + + rewind (stdin); + + if (fgets_unlocked (buf, sizeof (buf), stdin) != buf + || memcmp (buf, "abcdefgh\n", 10)) + FAIL (); + if (fgets_unlocked (buf, sizeof (buf), stdin) != buf + || memcmp (buf, "ABCDEFGHI", 10)) + FAIL (); + + rewind (stdin); + + if (fgets_unlocked (buf, l0 + sizeof (buf), stdin) != buf + || memcmp (buf, "abcdefgh\n", 10)) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (fgets_unlocked (buf, sizeof (buf) + 1, stdin) != buf) + FAIL (); + CHK_FAIL_END + + CHK_FAIL_START + if (fgets_unlocked (buf, l0 + sizeof (buf) + 1, stdin) != buf) + FAIL (); + CHK_FAIL_END +#endif + + lseek (fileno (stdin), 0, SEEK_SET); + + if (read (fileno (stdin), buf, sizeof (buf) - 1) != sizeof (buf) - 1 + || memcmp (buf, "abcdefgh\n", 9)) + FAIL (); + if (read (fileno (stdin), buf, sizeof (buf) - 1) != sizeof (buf) - 1 + || memcmp (buf, "ABCDEFGHI", 9)) + FAIL (); + + lseek (fileno (stdin), 0, SEEK_SET); + + if (read (fileno (stdin), buf, l0 + sizeof (buf) - 1) != sizeof (buf) - 1 + || memcmp (buf, "abcdefgh\n", 9)) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (read (fileno (stdin), buf, sizeof (buf) + 1) != sizeof (buf) + 1) + FAIL (); + CHK_FAIL_END +#endif + + if (pread (fileno (stdin), buf, sizeof (buf) - 1, sizeof (buf) - 2) + != sizeof (buf) - 1 + || memcmp (buf, "\nABCDEFGH", 9)) + FAIL (); + if (pread (fileno (stdin), buf, sizeof (buf) - 1, 0) != sizeof (buf) - 1 + || memcmp (buf, "abcdefgh\n", 9)) + FAIL (); + if (pread (fileno (stdin), buf, l0 + sizeof (buf) - 1, sizeof (buf) - 3) + != sizeof (buf) - 1 + || memcmp (buf, "h\nABCDEFG", 9)) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (pread (fileno (stdin), buf, sizeof (buf) + 1, 2 * sizeof (buf)) + != sizeof (buf) + 1) + FAIL (); + CHK_FAIL_END +#endif + + if (pread64 (fileno (stdin), buf, sizeof (buf) - 1, sizeof (buf) - 2) + != sizeof (buf) - 1 + || memcmp (buf, "\nABCDEFGH", 9)) + FAIL (); + if (pread64 (fileno (stdin), buf, sizeof (buf) - 1, 0) != sizeof (buf) - 1 + || memcmp (buf, "abcdefgh\n", 9)) + FAIL (); + if (pread64 (fileno (stdin), buf, l0 + sizeof (buf) - 1, sizeof (buf) - 3) + != sizeof (buf) - 1 + || memcmp (buf, "h\nABCDEFG", 9)) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (pread64 (fileno (stdin), buf, sizeof (buf) + 1, 2 * sizeof (buf)) + != sizeof (buf) + 1) + FAIL (); + CHK_FAIL_END +#endif + if (freopen (temp_filename, "r", stdin) == NULL) { puts ("could not open temporary file"); @@ -491,5 +847,474 @@ do_test (void) snprintf (buf, sizeof (buf), "%3$d\n", 1, 2, 3, 4); CHK_FAIL2_END + int sp[2]; + if (socketpair (PF_UNIX, SOCK_STREAM, 0, sp)) + FAIL (); + else + { + const char *sendstr = "abcdefgh\nABCDEFGH\n0123456789\n"; + if (send (sp[0], sendstr, strlen (sendstr), 0) != strlen (sendstr)) + FAIL (); + + char recvbuf[12]; + if (recv (sp[1], recvbuf, sizeof recvbuf, MSG_PEEK) + != sizeof recvbuf + || memcmp (recvbuf, sendstr, sizeof recvbuf) != 0) + FAIL (); + + if (recv (sp[1], recvbuf + 6, l0 + sizeof recvbuf - 7, MSG_PEEK) + != sizeof recvbuf - 7 + || memcmp (recvbuf + 6, sendstr, sizeof recvbuf - 7) != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (recv (sp[1], recvbuf + 1, sizeof recvbuf, MSG_PEEK) + != sizeof recvbuf) + FAIL (); + CHK_FAIL_END + + CHK_FAIL_START + if (recv (sp[1], recvbuf + 4, l0 + sizeof recvbuf - 3, MSG_PEEK) + != sizeof recvbuf - 3) + FAIL (); + CHK_FAIL_END +#endif + + socklen_t sl; + struct sockaddr_un sa_un; + + sl = sizeof (sa_un); + if (recvfrom (sp[1], recvbuf, sizeof recvbuf, MSG_PEEK, &sa_un, &sl) + != sizeof recvbuf + || memcmp (recvbuf, sendstr, sizeof recvbuf) != 0) + FAIL (); + + sl = sizeof (sa_un); + if (recvfrom (sp[1], recvbuf + 6, l0 + sizeof recvbuf - 7, MSG_PEEK, + &sa_un, &sl) != sizeof recvbuf - 7 + || memcmp (recvbuf + 6, sendstr, sizeof recvbuf - 7) != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + sl = sizeof (sa_un); + if (recvfrom (sp[1], recvbuf + 1, sizeof recvbuf, MSG_PEEK, &sa_un, &sl) + != sizeof recvbuf) + FAIL (); + CHK_FAIL_END + + CHK_FAIL_START + sl = sizeof (sa_un); + if (recvfrom (sp[1], recvbuf + 4, l0 + sizeof recvbuf - 3, MSG_PEEK, + &sa_un, &sl) != sizeof recvbuf - 3) + FAIL (); + CHK_FAIL_END +#endif + + close (sp[0]); + close (sp[1]); + } + + char fname[] = "/tmp/tst-chk1-dir-XXXXXX\0foo"; + char *enddir = strchr (fname, '\0'); + if (mkdtemp (fname) == NULL) + { + printf ("mkdtemp failed: %m\n"); + return 1; + } + *enddir = '/'; + if (symlink ("bar", fname) != 0) + FAIL (); + + char readlinkbuf[4]; + if (readlink (fname, readlinkbuf, 4) != 3 + || memcmp (readlinkbuf, "bar", 3) != 0) + FAIL (); + if (readlink (fname, readlinkbuf + 1, l0 + 3) != 3 + || memcmp (readlinkbuf, "bbar", 4) != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (readlink (fname, readlinkbuf + 2, l0 + 3) != 3) + FAIL (); + CHK_FAIL_END + + CHK_FAIL_START + if (readlink (fname, readlinkbuf + 3, 4) != 3) + FAIL (); + CHK_FAIL_END +#endif + + int tmpfd = open ("/tmp", O_RDONLY | O_DIRECTORY); + if (tmpfd < 0) + FAIL (); + + if (readlinkat (tmpfd, fname + sizeof ("/tmp/") - 1, readlinkbuf, 4) != 3 + || memcmp (readlinkbuf, "bar", 3) != 0) + FAIL (); + if (readlinkat (tmpfd, fname + sizeof ("/tmp/") - 1, readlinkbuf + 1, + l0 + 3) != 3 + || memcmp (readlinkbuf, "bbar", 4) != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (readlinkat (tmpfd, fname + sizeof ("/tmp/") - 1, readlinkbuf + 2, + l0 + 3) != 3) + FAIL (); + CHK_FAIL_END + + CHK_FAIL_START + if (readlinkat (tmpfd, fname + sizeof ("/tmp/") - 1, readlinkbuf + 3, + 4) != 3) + FAIL (); + CHK_FAIL_END +#endif + + close (tmpfd); + + char *cwd1 = getcwd (NULL, 0); + if (cwd1 == NULL) + FAIL (); + + char *cwd2 = getcwd (NULL, 250); + if (cwd2 == NULL) + FAIL (); + + if (cwd1 && cwd2) + { + if (strcmp (cwd1, cwd2) != 0) + FAIL (); + + *enddir = '\0'; + if (chdir (fname)) + FAIL (); + + char *cwd3 = getcwd (NULL, 0); + if (cwd3 == NULL) + FAIL (); + if (strcmp (fname, cwd3) != 0) + printf ("getcwd after chdir is '%s' != '%s'," + "get{c,}wd tests skipped\n", cwd3, fname); + else + { + char getcwdbuf[sizeof fname - 3]; + + char *cwd4 = getcwd (getcwdbuf, sizeof getcwdbuf); + if (cwd4 != getcwdbuf + || strcmp (getcwdbuf, fname) != 0) + FAIL (); + + cwd4 = getcwd (getcwdbuf + 1, l0 + sizeof getcwdbuf - 1); + if (cwd4 != getcwdbuf + 1 + || getcwdbuf[0] != fname[0] + || strcmp (getcwdbuf + 1, fname) != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (getcwd (getcwdbuf + 2, l0 + sizeof getcwdbuf) + != getcwdbuf + 2) + FAIL (); + CHK_FAIL_END + + CHK_FAIL_START + if (getcwd (getcwdbuf + 2, sizeof getcwdbuf) + != getcwdbuf + 2) + FAIL (); + CHK_FAIL_END +#endif + + if (getwd (getcwdbuf) != getcwdbuf + || strcmp (getcwdbuf, fname) != 0) + FAIL (); + + if (getwd (getcwdbuf + 1) != getcwdbuf + 1 + || strcmp (getcwdbuf + 1, fname) != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + if (getwd (getcwdbuf + 2) != getcwdbuf + 2) + FAIL (); + CHK_FAIL_END +#endif + } + + if (chdir (cwd1) != 0) + FAIL (); + free (cwd3); + } + + free (cwd1); + free (cwd2); + *enddir = '/'; + if (unlink (fname) != 0) + FAIL (); + + *enddir = '\0'; + if (rmdir (fname) != 0) + FAIL (); + + +#if PATH_MAX > 0 + char largebuf[PATH_MAX]; + char *realres = realpath (".", largebuf); + if (realres != largebuf) + FAIL (); + +# if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char realbuf[1]; + realres = realpath (".", realbuf); + if (realres != realbuf) + FAIL (); + CHK_FAIL_END +# endif +#endif + + if (setlocale (LC_ALL, "de_DE.UTF-8") != NULL) + { + assert (MB_CUR_MAX <= 10); + + /* First a simple test. */ + char enough[10]; + if (wctomb (enough, L'A') != 1) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + /* We know the wchar_t encoding is ISO 10646. So pick a + character which has a multibyte representation which does not + fit. */ + CHK_FAIL_START + char smallbuf[2]; + if (wctomb (smallbuf, L'\x100') != 2) + FAIL (); + CHK_FAIL_END +#endif + + mbstate_t s; + memset (&s, '\0', sizeof (s)); + if (wcrtomb (enough, L'D', &s) != 1 || enough[0] != 'D') + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + /* We know the wchar_t encoding is ISO 10646. So pick a + character which has a multibyte representation which does not + fit. */ + CHK_FAIL_START + char smallbuf[2]; + if (wcrtomb (smallbuf, L'\x100', &s) != 2) + FAIL (); + CHK_FAIL_END +#endif + + wchar_t wenough[10]; + memset (&s, '\0', sizeof (s)); + const char *cp = "A"; + if (mbsrtowcs (wenough, &cp, 10, &s) != 1 + || wcscmp (wenough, L"A") != 0) + FAIL (); + + cp = "BC"; + if (mbsrtowcs (wenough, &cp, l0 + 10, &s) != 2 + || wcscmp (wenough, L"BC") != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + wchar_t wsmallbuf[2]; + cp = "ABC"; + mbsrtowcs (wsmallbuf, &cp, 10, &s); + CHK_FAIL_END +#endif + + cp = "A"; + if (mbstowcs (wenough, cp, 10) != 1 + || wcscmp (wenough, L"A") != 0) + FAIL (); + + cp = "DEF"; + if (mbstowcs (wenough, cp, l0 + 10) != 3 + || wcscmp (wenough, L"DEF") != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + wchar_t wsmallbuf[2]; + cp = "ABC"; + mbstowcs (wsmallbuf, cp, 10); + CHK_FAIL_END +#endif + + memset (&s, '\0', sizeof (s)); + cp = "ABC"; + wcscpy (wenough, L"DEF"); + if (mbsnrtowcs (wenough, &cp, 1, 10, &s) != 1 + || wcscmp (wenough, L"AEF") != 0) + FAIL (); + + cp = "IJ"; + if (mbsnrtowcs (wenough, &cp, 1, l0 + 10, &s) != 1 + || wcscmp (wenough, L"IEF") != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + wchar_t wsmallbuf[2]; + cp = "ABC"; + mbsnrtowcs (wsmallbuf, &cp, 3, 10, &s); + CHK_FAIL_END +#endif + + memset (&s, '\0', sizeof (s)); + const wchar_t *wcp = L"A"; + if (wcsrtombs (enough, &wcp, 10, &s) != 1 + || strcmp (enough, "A") != 0) + FAIL (); + + wcp = L"BC"; + if (wcsrtombs (enough, &wcp, l0 + 10, &s) != 2 + || strcmp (enough, "BC") != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[2]; + wcp = L"ABC"; + wcsrtombs (smallbuf, &wcp, 10, &s); + CHK_FAIL_END +#endif + + memset (enough, 'Z', sizeof (enough)); + wcp = L"EF"; + if (wcstombs (enough, wcp, 10) != 2 + || strcmp (enough, "EF") != 0) + FAIL (); + + wcp = L"G"; + if (wcstombs (enough, wcp, l0 + 10) != 1 + || strcmp (enough, "G") != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[2]; + wcp = L"ABC"; + wcstombs (smallbuf, wcp, 10); + CHK_FAIL_END +#endif + + memset (&s, '\0', sizeof (s)); + wcp = L"AB"; + if (wcsnrtombs (enough, &wcp, 1, 10, &s) != 1 + || strcmp (enough, "A") != 0) + FAIL (); + + wcp = L"BCD"; + if (wcsnrtombs (enough, &wcp, 1, l0 + 10, &s) != 1 + || strcmp (enough, "B") != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[2]; + wcp = L"ABC"; + wcsnrtombs (smallbuf, &wcp, 3, 10, &s); + CHK_FAIL_END +#endif + } + else + { + puts ("cannot set locale"); + ret = 1; + } + + fd = posix_openpt (O_RDWR); + if (fd != -1) + { + char enough[1000]; + if (ptsname_r (fd, enough, sizeof (enough)) != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[2]; + if (ptsname_r (fd, smallbuf, sizeof (smallbuf) + 1) == 0) + FAIL (); + CHK_FAIL_END +#endif + close (fd); + } + +#if PATH_MAX > 0 + confstr (_CS_GNU_LIBC_VERSION, largebuf, sizeof (largebuf)); +# if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[1]; + confstr (_CS_GNU_LIBC_VERSION, smallbuf, sizeof (largebuf)); + CHK_FAIL_END +# endif +#endif + + gid_t grpslarge[5]; + int ngr = getgroups (5, grpslarge); + asm volatile ("" : : "r" (ngr)); +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[1]; + ngr = getgroups (5, (gid_t *) smallbuf); + asm volatile ("" : : "r" (ngr)); + CHK_FAIL_END +#endif + + fd = open (_PATH_TTY, O_RDONLY); + if (fd != -1) + { + char enough[1000]; + if (ttyname_r (fd, enough, sizeof (enough)) != 0) + FAIL (); + +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[2]; + if (ttyname_r (fd, smallbuf, sizeof (smallbuf) + 1) == 0) + FAIL (); + CHK_FAIL_END +#endif + close (fd); + } + + char hostnamelarge[1000]; + gethostname (hostnamelarge, sizeof (hostnamelarge)); +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[1]; + gethostname (smallbuf, sizeof (hostnamelarge)); + CHK_FAIL_END +#endif + + char loginlarge[1000]; + getlogin_r (loginlarge, sizeof (hostnamelarge)); +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[1]; + getlogin_r (smallbuf, sizeof (loginlarge)); + CHK_FAIL_END +#endif + + char domainnamelarge[1000]; + int res = getdomainname (domainnamelarge, sizeof (domainnamelarge)); + asm volatile ("" : : "r" (res)); +#if __USE_FORTIFY_LEVEL >= 1 + CHK_FAIL_START + char smallbuf[1]; + res = getdomainname (smallbuf, sizeof (domainnamelarge)); + asm volatile ("" : : "r" (res)); + CHK_FAIL_END +#endif + return ret; } |