34a8f0811c
journalctl: Use env variable TMPDIR to save temporary files
138 lines
4.1 KiB
C
138 lines
4.1 KiB
C
/***
|
|
This file is part of systemd.
|
|
|
|
Copyright 2010 Lennart Poettering
|
|
|
|
systemd 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.
|
|
|
|
systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
|
|
***/
|
|
|
|
#include <unistd.h>
|
|
|
|
#include "alloc-util.h"
|
|
#include "fileio.h"
|
|
#include "fd-util.h"
|
|
#include "fs-util.h"
|
|
#include "macro.h"
|
|
#include "mkdir.h"
|
|
#include "rm-rf.h"
|
|
#include "string-util.h"
|
|
#include "strv.h"
|
|
#include "util.h"
|
|
|
|
static void test_unlink_noerrno(void) {
|
|
char name[] = "/tmp/test-close_nointr.XXXXXX";
|
|
int fd;
|
|
|
|
fd = mkostemp_safe(name, O_RDWR|O_CLOEXEC);
|
|
assert_se(fd >= 0);
|
|
assert_se(close_nointr(fd) >= 0);
|
|
|
|
{
|
|
PROTECT_ERRNO;
|
|
errno = -42;
|
|
assert_se(unlink_noerrno(name) >= 0);
|
|
assert_se(errno == -42);
|
|
assert_se(unlink_noerrno(name) < 0);
|
|
assert_se(errno == -42);
|
|
}
|
|
}
|
|
|
|
static void test_readlink_and_make_absolute(void) {
|
|
char tempdir[] = "/tmp/test-readlink_and_make_absolute";
|
|
char name[] = "/tmp/test-readlink_and_make_absolute/original";
|
|
char name2[] = "test-readlink_and_make_absolute/original";
|
|
char name_alias[] = "/tmp/test-readlink_and_make_absolute-alias";
|
|
char *r = NULL;
|
|
|
|
assert_se(mkdir_safe(tempdir, 0755, getuid(), getgid()) >= 0);
|
|
assert_se(touch(name) >= 0);
|
|
|
|
assert_se(symlink(name, name_alias) >= 0);
|
|
assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
|
|
assert_se(streq(r, name));
|
|
free(r);
|
|
assert_se(unlink(name_alias) >= 0);
|
|
|
|
assert_se(chdir(tempdir) >= 0);
|
|
assert_se(symlink(name2, name_alias) >= 0);
|
|
assert_se(readlink_and_make_absolute(name_alias, &r) >= 0);
|
|
assert_se(streq(r, name));
|
|
free(r);
|
|
assert_se(unlink(name_alias) >= 0);
|
|
|
|
assert_se(rm_rf(tempdir, REMOVE_ROOT|REMOVE_PHYSICAL) >= 0);
|
|
}
|
|
|
|
static void test_get_files_in_directory(void) {
|
|
_cleanup_strv_free_ char **l = NULL, **t = NULL;
|
|
|
|
assert_se(get_files_in_directory("/tmp", &l) >= 0);
|
|
assert_se(get_files_in_directory(".", &t) >= 0);
|
|
assert_se(get_files_in_directory(".", NULL) >= 0);
|
|
}
|
|
|
|
static void test_var_tmp(void) {
|
|
char *tmp_dir = NULL;
|
|
char *tmpdir_backup = NULL;
|
|
const char *default_var_tmp = NULL;
|
|
const char *var_name;
|
|
bool do_overwrite = true;
|
|
|
|
default_var_tmp = "/var/tmp";
|
|
var_name = "TMPDIR";
|
|
|
|
if (getenv(var_name) != NULL) {
|
|
tmpdir_backup = strdup(getenv(var_name));
|
|
assert_se(tmpdir_backup != NULL);
|
|
}
|
|
|
|
unsetenv(var_name);
|
|
|
|
var_tmp(&tmp_dir);
|
|
assert_se(!strcmp(tmp_dir, default_var_tmp));
|
|
|
|
free(tmp_dir);
|
|
|
|
setenv(var_name, "/tmp", do_overwrite);
|
|
assert_se(!strcmp(getenv(var_name), "/tmp"));
|
|
|
|
var_tmp(&tmp_dir);
|
|
assert_se(!strcmp(tmp_dir, "/tmp"));
|
|
|
|
free(tmp_dir);
|
|
|
|
setenv(var_name, "/88_does_not_exist_88", do_overwrite);
|
|
assert_se(!strcmp(getenv(var_name), "/88_does_not_exist_88"));
|
|
|
|
var_tmp(&tmp_dir);
|
|
assert_se(!strcmp(tmp_dir, default_var_tmp));
|
|
|
|
free(tmp_dir);
|
|
|
|
if (tmpdir_backup != NULL) {
|
|
setenv(var_name, tmpdir_backup, do_overwrite);
|
|
assert_se(!strcmp(getenv(var_name), tmpdir_backup));
|
|
free(tmpdir_backup);
|
|
}
|
|
}
|
|
|
|
int main(int argc, char *argv[]) {
|
|
test_unlink_noerrno();
|
|
test_readlink_and_make_absolute();
|
|
test_get_files_in_directory();
|
|
test_var_tmp();
|
|
|
|
return 0;
|
|
}
|