102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/* Test of create_pipe_in/wait_subprocess.
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Copyright (C) 2020-2026 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <https://www.gnu.org/licenses/>. */
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#include <config.h>
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#include "spawn-pipe.h"
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#include "wait-process.h"
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include "macros.h"
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int
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main ()
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{
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/* Check an invocation of an executable script.
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This should only be supported if the script has a '#!' marker; otherwise
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it is unsecure: <https://sourceware.org/PR13134>.
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POSIX says that the execlp() and execvp() functions support executing
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shell scripts
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<https://pubs.opengroup.org/onlinepubs/9699919799/functions/exec.html>,
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but this is considered an antiquated feature. */
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int fd[1];
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pid_t pid;
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for (size_t i = 0; i < 2; i++)
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{
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const char *progname =
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(i == 0 ? "executable-script" : "executable-script.sh");
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const char *prog_path =
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(i == 0 ? SRCDIR "executable-script" : SRCDIR "executable-script.sh");
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const char *prog_argv[2] = { prog_path, NULL };
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pid = create_pipe_in (progname, prog_argv[0], prog_argv, NULL, NULL,
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NULL, false, true, false, fd);
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if (pid >= 0)
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{
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/* Wait for child. */
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ASSERT (wait_subprocess (pid, progname, true, true, true, false,
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NULL)
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== 127);
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}
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else
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{
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ASSERT (pid == -1);
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ASSERT (errno == ENOEXEC);
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}
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}
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#if defined _WIN32 && !defined __CYGWIN__
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/* On native Windows, scripts - even with '#!' marker - are not executable.
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Only .bat and .cmd files are. */
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if (test_exit_status != EXIT_SUCCESS)
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return test_exit_status;
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fprintf (stderr, "Skipping test: scripts are not executable on this platform.\n");
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return 77;
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#else
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{
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const char *progname = "executable-shell-script";
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const char *prog_path = SRCDIR "executable-shell-script";
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const char *prog_argv[2] = { prog_path, NULL };
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pid = create_pipe_in (progname, prog_argv[0], prog_argv, NULL, NULL,
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NULL, false, true, false, fd);
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ASSERT (pid >= 0);
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ASSERT (fd[0] > STDERR_FILENO);
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/* Get child's output. */
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char buffer[1024];
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FILE *fp = fdopen (fd[0], "r");
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ASSERT (fp != NULL);
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ASSERT (fread (buffer, 1, sizeof (buffer), fp) == 11);
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/* Check the result. */
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ASSERT (memcmp (buffer, "Halle Potta", 11) == 0);
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/* Wait for child. */
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ASSERT (wait_subprocess (pid, progname, true, false, true, true, NULL) == 0);
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ASSERT (fclose (fp) == 0);
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}
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return test_exit_status;
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#endif
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}
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