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Write errors to stdout and not stderr in nptl/tst-setuid3.c

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nptl/tst-setuid3.c was using the `err' and `errx' functions to write
error messages. This wrote to stderr instead of the preferred stdout.
This commit is contained in:
Arjun Shankar 2014-10-06 10:23:17 +05:30 committed by Siddhesh Poyarekar
parent 06210a44e9
commit 99d86ea324
2 changed files with 25 additions and 15 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2014-10-06 Arjun Shankar <arjun.is@lostca.se>
* nptl/tst-setuid3.c: Write errors to stdout.
2014-10-01 Kostya Serebryany <konstantin.s.serebryany@gmail.com>
* elf/dl-deps.c

36
nptl/tst-setuid3.c
View File

@ -15,7 +15,7 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <err.h>
#include <stdio.h>
#include <errno.h>
#include <pthread.h>
#include <stdbool.h>
@ -27,15 +27,21 @@ static const uid_t test_uid = 1;
static pthread_barrier_t barrier1;
static pthread_barrier_t barrier2;
#define FAIL(fmt, ...) \
do { printf ("FAIL: " fmt "\n", __VA_ARGS__); _exit (1); } while (0)
#define FAIL_ERR(fmt, ...) \
do { printf ("FAIL: " fmt ": %m\n", __VA_ARGS__); _exit (1); } while (0)
static void *
thread_func (void *ctx __attribute__ ((unused)))
{
int ret = pthread_barrier_wait (&barrier1);
if (ret != PTHREAD_BARRIER_SERIAL_THREAD && ret != 0)
errx (1, "pthread_barrier_wait (barrier1) (on thread): %d", ret);
FAIL ("pthread_barrier_wait (barrier1) (on thread): %d", ret);
ret = pthread_barrier_wait (&barrier2);
if (ret != PTHREAD_BARRIER_SERIAL_THREAD && ret != 0)
errx (1, "pthread_barrier_wait (barrier2) (on thread): %d", ret);
FAIL ("pthread_barrier_wait (barrier2) (on thread): %d", ret);
return NULL;
}
@ -46,13 +52,13 @@ setuid_failure (int phase)
switch (ret)
{
case 0:
errx (1, "setuid succeeded unexpectedly in phase %d", phase);
FAIL ("setuid succeeded unexpectedly in phase %d", phase);
case -1:
if (errno != EPERM)
err (1, "setuid phase %d", phase);
FAIL_ERR ("setuid phase %d", phase);
break;
default:
errx (1, "invalid setuid return value in phase %d: %d", phase, ret);
FAIL ("invalid setuid return value in phase %d: %d", phase, ret);
}
}
@ -61,41 +67,41 @@ do_test (void)
{
if (getuid () == 0)
if (setuid (test_uid) != 0)
err (1, "setuid (%u)", (unsigned) test_uid);
FAIL_ERR ("setuid (%u)", (unsigned) test_uid);
if (setuid (getuid ()))
err (1, "setuid (getuid ())");
FAIL_ERR ("setuid (%s)", "getuid ()");
setuid_failure (1);
int ret = pthread_barrier_init (&barrier1, NULL, 2);
if (ret != 0)
errx (1, "pthread_barrier_init (barrier1): %d", ret);
FAIL ("pthread_barrier_init (barrier1): %d", ret);
ret = pthread_barrier_init (&barrier2, NULL, 2);
if (ret != 0)
errx (1, "pthread_barrier_init (barrier2): %d", ret);
FAIL ("pthread_barrier_init (barrier2): %d", ret);
pthread_t thread;
ret = pthread_create (&thread, NULL, thread_func, NULL);
if (ret != 0)
errx (1, "pthread_create: %d", ret);
FAIL ("pthread_create: %d", ret);
/* Ensure that the thread is running properly. */
ret = pthread_barrier_wait (&barrier1);
if (ret != 0)
errx (1, "pthread_barrier_wait (barrier1): %d", ret);
FAIL ("pthread_barrier_wait (barrier1): %d", ret);
setuid_failure (2);
/* Check success case. */
if (setuid (getuid ()) != 0)
err (1, "setuid (getuid ())");
FAIL_ERR ("setuid (%s)", "getuid ()");
/* Shutdown. */
ret = pthread_barrier_wait (&barrier2);
if (ret != PTHREAD_BARRIER_SERIAL_THREAD && ret != 0)
errx (1, "pthread_barrier_wait (barrier2): %d", ret);
FAIL ("pthread_barrier_wait (barrier2): %d", ret);
if (ret != PTHREAD_BARRIER_SERIAL_THREAD && ret != 0)
errx (1, "pthread_join: %d", ret);
FAIL ("pthread_join: %d", ret);
return 0;
}