mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-21 04:31:04 +08:00
151 lines
3.4 KiB
C
151 lines
3.4 KiB
C
/* Check execvpe script argument handling.
|
|
Copyright (C) 2016-2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/param.h>
|
|
|
|
static char *fname1;
|
|
static char *fname2;
|
|
static char *logname;
|
|
|
|
static void do_prepare (void);
|
|
#define PREPARE(argc, argv) do_prepare ()
|
|
static int do_test (void);
|
|
#define TEST_FUNCTION do_test ()
|
|
|
|
#include "../test-skeleton.c"
|
|
|
|
static void
|
|
do_prepare (void)
|
|
{
|
|
int logfd = create_temp_file ("logfile", &logname);
|
|
close (logfd);
|
|
|
|
int fd1 = create_temp_file ("testscript", &fname1);
|
|
dprintf (fd1, "echo foo $1 $2 $3 > %s\n", logname);
|
|
fchmod (fd1, 0700);
|
|
close (fd1);
|
|
|
|
int fd2 = create_temp_file ("testscript", &fname2);
|
|
dprintf (fd2, "echo foo > %s\n", logname);
|
|
fchmod (fd2, 0700);
|
|
close (fd2);
|
|
}
|
|
|
|
static int
|
|
run_script (const char *fname, char *args[])
|
|
{
|
|
/* We want to test the `execvpe' function. To do this we restart the
|
|
program with an additional parameter. */
|
|
int status;
|
|
pid_t pid = fork ();
|
|
if (pid == 0)
|
|
{
|
|
execvpe (fname, args, NULL);
|
|
|
|
puts ("Cannot exec");
|
|
exit (EXIT_FAILURE);
|
|
}
|
|
else if (pid == (pid_t) -1)
|
|
{
|
|
puts ("Cannot fork");
|
|
return 1;
|
|
}
|
|
|
|
/* Wait for the child. */
|
|
if (waitpid (pid, &status, 0) != pid)
|
|
{
|
|
puts ("Wrong child");
|
|
return 1;
|
|
}
|
|
|
|
if (WTERMSIG (status) != 0)
|
|
{
|
|
puts ("Child terminated incorrectly");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
check_output (const char *expected)
|
|
{
|
|
/* Check log output. */
|
|
FILE *arq = fopen (logname, "r");
|
|
if (arq == NULL)
|
|
{
|
|
puts ("Error opening output file");
|
|
return 1;
|
|
}
|
|
|
|
char line[128];
|
|
if (fgets (line, sizeof (line), arq) == NULL)
|
|
{
|
|
puts ("Error reading output file");
|
|
return 1;
|
|
}
|
|
fclose (arq);
|
|
|
|
if (strcmp (line, expected) != 0)
|
|
{
|
|
puts ("Output file different than expected");
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
if (setenv ("PATH", test_dir, 1) != 0)
|
|
{
|
|
puts ("setenv failed");
|
|
return 1;
|
|
}
|
|
|
|
/* First check resulting script run with some arguments results in correct
|
|
output file. */
|
|
char *args1[] = { fname1, (char*) "1", (char *) "2", (char *) "3", NULL };
|
|
if (run_script (fname1,args1))
|
|
return 1;
|
|
if (check_output ("foo 1 2 3\n"))
|
|
return 1;
|
|
|
|
/* Same as before but with an expected empty argument list. */
|
|
char *args2[] = { fname2, NULL };
|
|
if (run_script (fname2, args2))
|
|
return 1;
|
|
if (check_output ("foo\n"))
|
|
return 1;
|
|
|
|
/* Same as before but with an empty argument list. */
|
|
char *args3[] = { NULL };
|
|
if (run_script (fname2, args3))
|
|
return 1;
|
|
if (check_output ("foo\n"))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|