Update.

2004-04-19  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/unix/sysv/linux/mq_unlink.c (mq_unlink): Change EPERM into
	EACCES.
	* rt/Makefile (tests): Add tst-mqueue9.
	* rt/tst-mqueue9.c: New test.
	* rt/tst-mqueue4.c (do_test): Add test for mq_unlink of a too long
	name component.

2004-04-19  Ulrich Drepper  <drepper@redhat.com>

	* rt/tst-mqueue7.c (do_test): Make newargv const.

ChangeLog

@@ -1,3 +1,16 @@
+2004-04-19  Jakub Jelinek  <jakub@redhat.com>
+
+	* sysdeps/unix/sysv/linux/mq_unlink.c (mq_unlink): Change EPERM into
+	EACCES.
+	* rt/Makefile (tests): Add tst-mqueue9.
+	* rt/tst-mqueue9.c: New test.
+	* rt/tst-mqueue4.c (do_test): Add test for mq_unlink of a too long
+	name component.
+
+2004-04-19  Ulrich Drepper  <drepper@redhat.com>
+
+	* rt/tst-mqueue7.c (do_test): Make newargv const.
+
 2004-04-18  Randolph Chung  <tausq@debian.org>
 
 	* sysdeps/hppa/elf/entry.h: New file.

rt/Makefile

@@ -44,7 +44,7 @@ librt-routines = $(aio-routines) \
 tests := tst-shm tst-clock tst-clock_nanosleep tst-timer tst-timer2 \
 	 tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6 \
 	 tst-aio7 tst-mqueue1 tst-mqueue2 tst-mqueue3 tst-mqueue4 \
-	 tst-mqueue5 tst-mqueue6 tst-mqueue7 tst-mqueue8 \
+	 tst-mqueue5 tst-mqueue6 tst-mqueue7 tst-mqueue8 tst-mqueue9 \
 	 tst-timer3 tst-timer4
 
 extra-libs := librt

rt/tst-mqueue4.c

@@ -93,6 +93,18 @@ do_test (void)
       result = 1;
     }
 
+  if (mq_unlink (name) == 0)
+    {
+      puts ("mq_unlink with too long name component unexpectedly succeeded");
+      result = 1;
+    }
+  else if (errno != ENAMETOOLONG)
+    {
+      printf ("mq_unlink with too long name component did not fail with "
+	      "ENAMETOOLONG: %m\n");
+      result = 1;
+    }
+
   *p = '\0';
   attr.mq_maxmsg = 1;
   attr.mq_msgsize = 3;

rt/tst-mqueue7.c

@@ -93,7 +93,7 @@ do_test (int argc, char **argv)
   snprintf (after_exec_arg, sizeof (after_exec_arg),
 	    "--after-exec=0x%lx", (long) q);
 
-  char *newargv[argc + 2];
+  const char *newargv[argc + 2];
   for (int i = 1; i < argc; ++i)
     newargv[i - 1] = argv[i];
   newargv[argc - 1] = "--direct";

rt/tst-mqueue9.c

@@ -0,0 +1,92 @@
+/* Copyright (C) 2004 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Jakub Jelinek <jakub@redhat.com>, 2004.
+
+   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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <errno.h>
+#include <mqueue.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include "tst-mqueue.h"
+
+#define TEST_FUNCTION do_test ()
+static int
+do_test (void)
+{
+  if (geteuid () != 0)
+    {
+      puts ("this test requires root");
+      return 0;
+    }
+
+  char name[sizeof "/tst-mqueue9-" + sizeof (pid_t) * 3];
+  snprintf (name, sizeof (name), "/tst-mqueue9-%u", getpid ());
+
+  struct mq_attr attr = { .mq_maxmsg = 1, .mq_msgsize = 1 };
+  mqd_t q = mq_open (name, O_CREAT | O_EXCL | O_RDWR, 0600, &attr);
+
+  if (q == (mqd_t) -1)
+    {
+      printf ("mq_open failed with: %m\n");
+      return 0;
+    }
+  else
+    add_temp_mq (name);
+
+  if (seteuid (1) != 0)
+    {
+      printf ("failed to seteuid (1): %m\n");
+      mq_unlink (name);
+      return 0;
+    }
+
+  int result;
+  if (mq_unlink (name) == 0)
+    {
+      puts ("mq_unlink unexpectedly succeeded");
+      result = 1;
+    }
+  else if (errno != EACCES)
+    {
+      printf ("mq_unlink did not fail with EACCES: %m\n");
+      result = 1;;
+    }
+
+  if (seteuid (0) != 0)
+    {
+      printf ("failed to seteuid (0): %m\n");
+      result = 1;
+    }
+
+  if (mq_unlink (name) != 0)
+    {
+      printf ("mq_unlink failed with: %m\n");
+      result = 1;
+    }
+
+  if (mq_close (q) != 0)
+    {
+      printf ("mq_close failed with: %m\n");
+      result = 1;
+    }
+
+  return result;
+}
+
+#include "../test-skeleton.c"

sysdeps/unix/sysv/linux/mq_unlink.c

@@ -31,7 +31,15 @@ mq_unlink (const char *name)
       __set_errno (EINVAL);
       return -1;
     }
-  return INLINE_SYSCALL (mq_unlink, 1, name + 1);
+
+  int ret = INLINE_SYSCALL (mq_unlink, 1, name + 1);
+
+  /* While unlink can return either EPERM or EACCES, mq_unlink should
+     return just EACCES.  */
+  if (ret < 0 && errno == EPERM)
+    __set_errno (EACCES);
+
+  return ret;
 }
 
 #else