posix/tst-spawn4-compat.c

   1 /* Check if posix_spawn does handle correctly ENOEXEC files.
   2    Copyright (C) 2018-2020 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 #if TEST_COMPAT (libc, GLIBC_2_0, GLIBC_2_15)
  31
  32 compat_symbol_reference (libc, posix_spawn, posix_spawn, GLIBC_2_2);
  33 compat_symbol_reference (libc, posix_spawnp, posix_spawnp, GLIBC_2_2);
  34
  35 static int
  36 do_test (void)
  37 {
  38   char *scriptname;
  39   int fd = create_temp_file ("tst-spawn4.", &scriptname);
  40   TEST_VERIFY_EXIT (fd >= 0);
  41
  42   const char script[] = "exit 65";
  43   xwrite (fd, script, sizeof (script) - 1);
  44   xclose (fd);
  45
  46   TEST_VERIFY_EXIT (chmod (scriptname, 0x775) == 0);
  47
  48   pid_t pid;
  49   int status;
  50
  51   /* For compat symbol it verifies that trying to issued a shell script
  52      without a shebang is correctly executed.  */
  53   status = posix_spawn (&pid, scriptname, NULL, NULL, (char *[]) { 0 },
  54                         (char *[]) { 0 });
  55   TEST_VERIFY_EXIT (status == 0);
  56
  57   TEST_VERIFY_EXIT (waitpid (pid, &status, 0) == pid);
  58   TEST_VERIFY_EXIT (WIFEXITED (status) == 1 && WEXITSTATUS (status) == 65);
  59
  60   status = posix_spawnp (&pid, scriptname, NULL, NULL, (char *[]) { 0 },
  61                          (char *[]) { 0 });
  62   TEST_VERIFY_EXIT (status == 0);
  63
  64   TEST_VERIFY_EXIT (waitpid (pid, &status, 0) == pid);
  65   TEST_VERIFY_EXIT (WIFEXITED (status) == 1 && WEXITSTATUS (status) == 65);
  66
  67   return 0;
  68 }
  69 #else
  70 static int
  71 do_test (void)
  72 {
  73   return 77;
  74 }
  75 #endif
  76
  77 #include <support/test-driver.c>