posix/tst-spawn4-compat.c

   1 /* Check if posix_spawn does handle correctly ENOEXEC files.
   2    Copyright (C) 2018-2021 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <spawn.h>
  20 #include <errno.h>
  21 #include <unistd.h>
  22 #include <sys/stat.h>
  23 #include <sys/wait.h>
  24
  25 #include <support/xunistd.h>
  26 #include <support/check.h>
  27 #include <support/temp_file.h>
  28
  29 #include <shlib-compat.h>
  30
  31 compat_symbol_reference (libc, posix_spawn, posix_spawn, GLIBC_2_2);
  32 compat_symbol_reference (libc, posix_spawnp, posix_spawnp, GLIBC_2_2);
  33
  34 static int
  35 do_test (void)
  36 {
  37   char *scriptname;
  38   int fd = create_temp_file ("tst-spawn4.", &scriptname);
  39   TEST_VERIFY_EXIT (fd >= 0);
  40
  41   const char script[] = "exit 65";
  42   xwrite (fd, script, sizeof (script) - 1);
  43   xclose (fd);
  44
  45   TEST_VERIFY_EXIT (chmod (scriptname, 0x775) == 0);
  46
  47   pid_t pid;
  48   int status;
  49
  50   /* For compat symbol it verifies that trying to issued a shell script
  51      without a shebang is correctly executed.  */
  52   status = posix_spawn (&pid, scriptname, NULL, NULL, (char *[]) { 0 },
  53                         (char *[]) { 0 });
  54   TEST_VERIFY_EXIT (status == 0);
  55
  56   TEST_VERIFY_EXIT (waitpid (pid, &status, 0) == pid);
  57   TEST_VERIFY_EXIT (WIFEXITED (status) == 1 && WEXITSTATUS (status) == 65);
  58
  59   status = posix_spawnp (&pid, scriptname, NULL, NULL, (char *[]) { 0 },
  60                          (char *[]) { 0 });
  61   TEST_VERIFY_EXIT (status == 0);
  62
  63   TEST_VERIFY_EXIT (waitpid (pid, &status, 0) == pid);
  64   TEST_VERIFY_EXIT (WIFEXITED (status) == 1 && WEXITSTATUS (status) == 65);
  65
  66   return 0;
  67 }
  68
  69 #include <support/test-driver.c>