1 /* Check if posix_spawn does handle correctly ENOEXEC files.
2    Copyright (C) 2018-2022 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
do_test(void)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>
70