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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <dirent.h>
#include <fcntl.h>
#include <stdio.h>
#include <sys/stat.h>
#include "alloc-util.h"
#include "dirent-util.h"
#include "fs-util.h"
#include "mkdir.h"
#include "path-util.h"
#include "rm-rf.h"
#include "stat-util.h"
#include "string-util.h"
#include "tmpfile-util.h"
#include "tests.h"
TEST (test_dirent_ensure_type) {
int r, dir_fd;
static struct dirent de = {
.d_type = DT_UNKNOWN,
.d_name = "test",
};
assert_se(de.d_type == DT_UNKNOWN);
dir_fd = 0;
dirent_ensure_type(dir_fd, &de);
/* Test when d_name is "." or ".." */
strcpy(de.d_name, ".");
r = dirent_ensure_type(dir_fd, &de);
assert_se(r == 0);
assert_se(de.d_type == DT_DIR);
strcpy(de.d_name, "..");
r = dirent_ensure_type(dir_fd, &de);
assert_se(r == 0);
assert_se(de.d_type == DT_DIR);
}
TEST (test_dirent_is_file) {
_cleanup_(rm_rf_physical_and_freep) char *t = NULL;
const char *name, *dotfile, *name_alias, *bakfile, *tilda;
const struct dirent *de_reg, *de_lnk, *de_dot, *de_bak, *de_tilda;
DIR *dir;
static const struct dirent de_unknown = {
.d_type = DT_UNKNOWN,
.d_name = "test_unknown",
};
assert_se(mkdtemp_malloc(NULL, &t) >= 0);
name = strjoina(t, "/test.txt");
dotfile = strjoina(t, "/.hidden_file");
bakfile = strjoina(t, "/test.bak");
tilda = strjoina(t, "/test~");
name_alias = strjoina(t, "/test_link");
assert_se(touch(name) >= 0);
assert_se(touch(dotfile) >= 0);
assert_se(touch(bakfile) >= 0);
assert_se(touch(tilda) >= 0);
if (symlink(name, name_alias) < 0) {
assert_se(IN_SET(errno, EINVAL, ENOSYS, ENOTTY, EPERM));
log_tests_skipped_errno(errno, "symlink() not possible");
}
dir = opendir(t);
if (dir == NULL) {
log_error_errno(errno, "Failed to open directory '%s': %m", t);
exit(EXIT_FAILURE);
}
rewinddir(dir);
while ((de_reg = readdir_ensure_type(dir)) != NULL)
if (strcmp(de_reg->d_name, "test.txt") == 0)
break;
rewinddir(dir);
while ((de_lnk = readdir_ensure_type(dir)) != NULL)
if (strcmp(de_lnk->d_name, "test_link") == 0)
break;
rewinddir(dir);
while ((de_dot = readdir_ensure_type(dir)) != NULL)
if (strcmp(de_dot->d_name, ".hidden_file") == 0)
break;
rewinddir(dir);
while ((de_bak = readdir(dir)) != NULL)
if (strcmp(de_bak->d_name, "test.bak") == 0)
break;
rewinddir(dir);
while ((de_tilda = readdir(dir)) != NULL)
if (strcmp(de_tilda->d_name, "test~") == 0)
break;
/* Test when d_type is DT_REG, DT_LNK, or DT_UNKNOWN */
assert_se(dirent_is_file(de_reg) == true);
if (de_lnk)
assert_se(dirent_is_file(de_lnk) == true);
else
log_tests_skipped("de_lnk is NULL, skipping test");
assert_se(dirent_is_file(&de_unknown) == true);
/* Test for hidden files */
assert_se(dirent_is_file(de_dot) == false);
assert_se(dirent_is_file(de_bak) == false);
assert_se(dirent_is_file(de_tilda) == false);
closedir(dir);
}
TEST (test_dirent_is_file_with_suffix) {
_cleanup_(rm_rf_physical_and_freep) char *t = NULL;
const char *name, *dotfile, *name_alias, *dotdot, *chr;
const struct dirent *de_reg, *de_lnk, *de_dot, *de_dotdot, *de_chr;
DIR *dir;
static const struct dirent de_unknown = {
.d_type = DT_UNKNOWN,
.d_name = "test_unknown",
};
assert_se(mkdtemp_malloc(NULL, &t) >= 0);
name = strjoina(t, "/test.txt");
dotfile = strjoina(t, "/.hidden_file");
dotdot = strjoina(t, "/..dotdot");
chr = strjoina(t, "/test_chr");
name_alias = strjoina(t, "/test_link");
assert_se(touch(name) >= 0);
assert_se(touch(dotfile) >= 0);
assert_se(touch(dotdot) >= 0);
assert_se(mknod(chr, 0775 | S_IFCHR, makedev(0, 0)) >= 0);
if (symlink(name, name_alias) < 0) {
assert_se(IN_SET(errno, EINVAL, ENOSYS, ENOTTY, EPERM));
log_tests_skipped_errno(errno, "symlink() not possible");
}
dir = opendir(t);
if (dir == NULL) {
log_error_errno(errno, "Failed to open directory '%s': %m", t);
exit(EXIT_FAILURE);
}
rewinddir(dir);
while ((de_reg = readdir_ensure_type(dir)) != NULL)
if (strcmp(de_reg->d_name, "test.txt") == 0)
break;
rewinddir(dir);
while ((de_lnk = readdir_ensure_type(dir)) != NULL)
if (strcmp(de_lnk->d_name, "test_link") == 0)
break;
rewinddir(dir);
while ((de_dot = readdir_ensure_type(dir)) != NULL)
if (strcmp(de_dot->d_name, ".hidden_file") == 0)
break;
rewinddir(dir);
while ((de_dotdot = readdir(dir)) != NULL)
if (strcmp(de_dotdot->d_name, "..dotdot") == 0)
break;
rewinddir(dir);
while ((de_chr = readdir(dir)) != NULL)
if (strcmp(de_chr->d_name, "test_chr") == 0)
break;
/* Test when d_type is not DT_REG, DT_LNK, or DT_UNKNOWN */
assert_se(!dirent_is_file_with_suffix(de_chr, NULL));
/* Test when suffix is NULL */
assert_se(dirent_is_file_with_suffix(de_reg, NULL) == true);
if (de_lnk)
assert_se(dirent_is_file_with_suffix(de_lnk, NULL) == true);
else
log_tests_skipped("de_lnk is NULL, skipping test");
assert_se(dirent_is_file_with_suffix(&de_unknown, NULL) == true);
/* Test for present suffix */
assert_se(dirent_is_file_with_suffix(de_reg, "txt") == true);
if (de_lnk)
assert_se(dirent_is_file_with_suffix(de_lnk, "link") == true);
else
log_tests_skipped("de_lnk is NULL, skipping test");
assert_se(dirent_is_file_with_suffix(&de_unknown, "unknown") == true);
/* Test for absent suffix */
assert_se(dirent_is_file_with_suffix(de_reg, "svg") == false);
if (de_lnk)
assert_se(dirent_is_file_with_suffix(de_lnk, "pdf") == false);
else
log_tests_skipped("de_lnk is NULL, skipping test");
assert_se(dirent_is_file_with_suffix(&de_unknown, "yes") == false);
/* Test for dot and dot-dot */
assert_se(dirent_is_file_with_suffix(de_dot, NULL) == false);
assert_se(dirent_is_file_with_suffix(de_dotdot, NULL) == false);
closedir(dir);
}
DEFINE_TEST_MAIN(LOG_INFO);
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