src/test/test-path-util.c

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2
   3 #include <stdio.h>
   4 #include <unistd.h>
   5
   6 #include "alloc-util.h"
   7 #include "exec-util.h"
   8 #include "fd-util.h"
   9 #include "fs-util.h"
  10 #include "macro.h"
  11 #include "path-util.h"
  12 #include "process-util.h"
  13 #include "rm-rf.h"
  14 #include "stat-util.h"
  15 #include "string-util.h"
  16 #include "strv.h"
  17 #include "tests.h"
  18 #include "tmpfile-util.h"
  19 #include "util.h"
  20
  21 TEST(print_paths) {
  22         log_info("DEFAULT_PATH=%s", DEFAULT_PATH);
  23         log_info("DEFAULT_USER_PATH=%s", DEFAULT_USER_PATH);
  24 }
  25
  26 TEST(path) {
  27         assert_se(path_is_absolute("/"));
  28         assert_se(!path_is_absolute("./"));
  29
  30         assert_se(is_path("/dir"));
  31         assert_se(is_path("a/b"));
  32         assert_se(!is_path("."));
  33
  34         assert_se(streq(basename("./aa/bb/../file.da."), "file.da."));
  35         assert_se(streq(basename("/aa///.file"), ".file"));
  36         assert_se(streq(basename("/aa///file..."), "file..."));
  37         assert_se(streq(basename("file.../"), ""));
  38
  39         assert_se(PATH_IN_SET("/bin", "/", "/bin", "/foo"));
  40         assert_se(PATH_IN_SET("/bin", "/bin"));
  41         assert_se(PATH_IN_SET("/bin", "/foo/bar", "/bin"));
  42         assert_se(PATH_IN_SET("/", "/", "/", "/foo/bar"));
  43         assert_se(!PATH_IN_SET("/", "/abc", "/def"));
  44
  45         assert_se(path_equal_ptr(NULL, NULL));
  46         assert_se(path_equal_ptr("/a", "/a"));
  47         assert_se(!path_equal_ptr("/a", "/b"));
  48         assert_se(!path_equal_ptr("/a", NULL));
  49         assert_se(!path_equal_ptr(NULL, "/a"));
  50
  51         assert_se(path_equal_filename("/a/c", "/b/c"));
  52         assert_se(path_equal_filename("/a", "/a"));
  53         assert_se(!path_equal_filename("/a/b", "/a/c"));
  54         assert_se(!path_equal_filename("/b", "/c"));
  55 }
  56
  57 static void test_path_simplify_one(const char *in, const char *out) {
  58         char *p;
  59
  60         p = strdupa_safe(in);
  61         path_simplify(p);
  62         log_debug("/* test_path_simplify(%s) → %s (expected: %s) */", in, p, out);
  63         assert_se(streq(p, out));
  64 }
  65
  66 TEST(path_simplify) {
  67         _cleanup_free_ char *hoge = NULL, *hoge_out = NULL;
  68         char foo[NAME_MAX * 2];
  69
  70         test_path_simplify_one("", "");
  71         test_path_simplify_one("aaa/bbb////ccc", "aaa/bbb/ccc");
  72         test_path_simplify_one("//aaa/.////ccc", "/aaa/ccc");
  73         test_path_simplify_one("///", "/");
  74         test_path_simplify_one("///.//", "/");
  75         test_path_simplify_one("///.//.///", "/");
  76         test_path_simplify_one("////.././///../.", "/../..");
  77         test_path_simplify_one(".", ".");
  78         test_path_simplify_one("./", ".");
  79         test_path_simplify_one(".///.//./.", ".");
  80         test_path_simplify_one(".///.//././/", ".");
  81         test_path_simplify_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.",
  82                                "/aaa/.bbb/../c./d.dd/..eeee");
  83         test_path_simplify_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
  84                                "/aaa/.bbb/../c./d.dd/..eeee/..");
  85         test_path_simplify_one(".//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
  86                                "aaa/.bbb/../c./d.dd/..eeee/..");
  87         test_path_simplify_one("..//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..",
  88                                "../aaa/.bbb/../c./d.dd/..eeee/..");
  89
  90         memset(foo, 'a', sizeof(foo) -1);
  91         char_array_0(foo);
  92
  93         test_path_simplify_one(foo, foo);
  94
  95         hoge = strjoin("/", foo);
  96         assert_se(hoge);
  97         test_path_simplify_one(hoge, hoge);
  98         hoge = mfree(hoge);
  99
 100         hoge = strjoin("a////.//././//./b///././/./c/////././//./", foo, "//.//////d/e/.//f/");
 101         assert_se(hoge);
 102
 103         hoge_out = strjoin("a/b/c/", foo, "//.//////d/e/.//f/");
 104         assert_se(hoge_out);
 105
 106         test_path_simplify_one(hoge, hoge_out);
 107 }
 108
 109 static void test_path_compare_one(const char *a, const char *b, int expected) {
 110         int r;
 111
 112         assert_se(path_compare(a, a) == 0);
 113         assert_se(path_compare(b, b) == 0);
 114
 115         r = path_compare(a, b);
 116         assert_se((r > 0) == (expected > 0) && (r < 0) == (expected < 0));
 117         r = path_compare(b, a);
 118         assert_se((r < 0) == (expected > 0) && (r > 0) == (expected < 0));
 119
 120         assert_se(path_equal(a, a) == 1);
 121         assert_se(path_equal(b, b) == 1);
 122         assert_se(path_equal(a, b) == (expected == 0));
 123         assert_se(path_equal(b, a) == (expected == 0));
 124 }
 125
 126 TEST(path_compare) {
 127         test_path_compare_one("/goo", "/goo", 0);
 128         test_path_compare_one("/goo", "/goo", 0);
 129         test_path_compare_one("//goo", "/goo", 0);
 130         test_path_compare_one("//goo/////", "/goo", 0);
 131         test_path_compare_one("goo/////", "goo", 0);
 132         test_path_compare_one("/goo/boo", "/goo//boo", 0);
 133         test_path_compare_one("//goo/boo", "/goo/boo//", 0);
 134         test_path_compare_one("//goo/././//./boo//././//", "/goo/boo//.", 0);
 135         test_path_compare_one("/.", "//.///", 0);
 136         test_path_compare_one("/x", "x/", 1);
 137         test_path_compare_one("x/", "/", -1);
 138         test_path_compare_one("/x/./y", "x/y", 1);
 139         test_path_compare_one("/x/./y", "/x/y", 0);
 140         test_path_compare_one("/x/./././y", "/x/y/././.", 0);
 141         test_path_compare_one("./x/./././y", "./x/y/././.", 0);
 142         test_path_compare_one(".", "./.", 0);
 143         test_path_compare_one(".", "././.", 0);
 144         test_path_compare_one("./..", ".", 1);
 145         test_path_compare_one("x/.y", "x/y", -1);
 146         test_path_compare_one("foo", "/foo", -1);
 147         test_path_compare_one("/foo", "/foo/bar", -1);
 148         test_path_compare_one("/foo/aaa", "/foo/b", -1);
 149         test_path_compare_one("/foo/aaa", "/foo/b/a", -1);
 150         test_path_compare_one("/foo/a", "/foo/aaa", -1);
 151         test_path_compare_one("/foo/a/b", "/foo/aaa", -1);
 152 }
 153
 154 TEST(path_equal_root) {
 155         /* Nail down the details of how path_equal("/", ...) works. */
 156
 157         assert_se(path_equal("/", "/"));
 158         assert_se(path_equal("/", "//"));
 159
 160         assert_se(path_equal("/", "/./"));
 161         assert_se(!path_equal("/", "/../"));
 162
 163         assert_se(!path_equal("/", "/.../"));
 164
 165         /* Make sure that files_same works as expected. */
 166
 167         assert_se(files_same("/", "/", 0) > 0);
 168         assert_se(files_same("/", "/", AT_SYMLINK_NOFOLLOW) > 0);
 169         assert_se(files_same("/", "//", 0) > 0);
 170         assert_se(files_same("/", "//", AT_SYMLINK_NOFOLLOW) > 0);
 171
 172         assert_se(files_same("/", "/./", 0) > 0);
 173         assert_se(files_same("/", "/./", AT_SYMLINK_NOFOLLOW) > 0);
 174         assert_se(files_same("/", "/../", 0) > 0);
 175         assert_se(files_same("/", "/../", AT_SYMLINK_NOFOLLOW) > 0);
 176
 177         assert_se(files_same("/", "/.../", 0) == -ENOENT);
 178         assert_se(files_same("/", "/.../", AT_SYMLINK_NOFOLLOW) == -ENOENT);
 179
 180         /* The same for path_equal_or_files_same. */
 181
 182         assert_se(path_equal_or_files_same("/", "/", 0));
 183         assert_se(path_equal_or_files_same("/", "/", AT_SYMLINK_NOFOLLOW));
 184         assert_se(path_equal_or_files_same("/", "//", 0));
 185         assert_se(path_equal_or_files_same("/", "//", AT_SYMLINK_NOFOLLOW));
 186
 187         assert_se(path_equal_or_files_same("/", "/./", 0));
 188         assert_se(path_equal_or_files_same("/", "/./", AT_SYMLINK_NOFOLLOW));
 189         assert_se(path_equal_or_files_same("/", "/../", 0));
 190         assert_se(path_equal_or_files_same("/", "/../", AT_SYMLINK_NOFOLLOW));
 191
 192         assert_se(!path_equal_or_files_same("/", "/.../", 0));
 193         assert_se(!path_equal_or_files_same("/", "/.../", AT_SYMLINK_NOFOLLOW));
 194 }
 195
 196 TEST(find_executable_full) {
 197         char *p;
 198         char* test_file_name;
 199         _cleanup_close_ int fd = -1;
 200         char fn[] = "/tmp/test-XXXXXX";
 201
 202         assert_se(find_executable_full("sh", NULL, NULL, true, &p, NULL) == 0);
 203         puts(p);
 204         assert_se(streq(basename(p), "sh"));
 205         free(p);
 206
 207         assert_se(find_executable_full("sh", NULL, NULL, false, &p, NULL) == 0);
 208         puts(p);
 209         assert_se(streq(basename(p), "sh"));
 210         free(p);
 211
 212         _cleanup_free_ char *oldpath = NULL;
 213         p = getenv("PATH");
 214         if (p)
 215                 assert_se(oldpath = strdup(p));
 216
 217         assert_se(unsetenv("PATH") == 0);
 218
 219         assert_se(find_executable_full("sh", NULL, NULL, true, &p, NULL) == 0);
 220         puts(p);
 221         assert_se(streq(basename(p), "sh"));
 222         free(p);
 223
 224         assert_se(find_executable_full("sh", NULL, NULL, false, &p, NULL) == 0);
 225         puts(p);
 226         assert_se(streq(basename(p), "sh"));
 227         free(p);
 228
 229         if (oldpath)
 230                 assert_se(setenv("PATH", oldpath, true) >= 0);
 231
 232         assert_se((fd = mkostemp_safe(fn)) >= 0);
 233         assert_se(fchmod(fd, 0755) >= 0);
 234
 235         test_file_name = basename(fn);
 236
 237         assert_se(find_executable_full(test_file_name, NULL, STRV_MAKE("/doesnotexist", "/tmp", "/bin"), false, &p, NULL) == 0);
 238         puts(p);
 239         assert_se(streq(p, fn));
 240         free(p);
 241
 242         (void) unlink(fn);
 243         assert_se(find_executable_full(test_file_name, NULL, STRV_MAKE("/doesnotexist", "/tmp", "/bin"), false, &p, NULL) == -ENOENT);
 244 }
 245
 246 TEST(find_executable) {
 247         char *p;
 248
 249         assert_se(find_executable("/bin/sh", &p) == 0);
 250         puts(p);
 251         assert_se(path_equal(p, "/bin/sh"));
 252         free(p);
 253
 254         assert_se(find_executable(saved_argv[0], &p) == 0);
 255         puts(p);
 256         assert_se(endswith(p, "/test-path-util"));
 257         assert_se(path_is_absolute(p));
 258         free(p);
 259
 260         assert_se(find_executable("sh", &p) == 0);
 261         puts(p);
 262         assert_se(endswith(p, "/sh"));
 263         assert_se(path_is_absolute(p));
 264         free(p);
 265
 266         assert_se(find_executable("/bin/touch", &p) == 0);
 267         assert_se(streq(p, "/bin/touch"));
 268         free(p);
 269
 270         assert_se(find_executable("touch", &p) == 0);
 271         assert_se(path_is_absolute(p));
 272         assert_se(streq(basename(p), "touch"));
 273         free(p);
 274
 275         assert_se(find_executable("xxxx-xxxx", &p) == -ENOENT);
 276         assert_se(find_executable("/some/dir/xxxx-xxxx", &p) == -ENOENT);
 277         assert_se(find_executable("/proc/filesystems", &p) == -EACCES);
 278 }
 279
 280 static void test_find_executable_exec_one(const char *path) {
 281         _cleanup_free_ char *t = NULL;
 282         _cleanup_close_ int fd = -1;
 283         pid_t pid;
 284         int r;
 285
 286         r = find_executable_full(path, NULL, NULL, false, &t, &fd);
 287
 288         log_info_errno(r, "%s: %s → %s: %d/%m", __func__, path, t ?: "-", fd);
 289
 290         assert_se(fd > STDERR_FILENO);
 291         assert_se(path_is_absolute(t));
 292         if (path_is_absolute(path))
 293                 assert_se(streq(t, path));
 294
 295         pid = fork();
 296         assert_se(pid >= 0);
 297         if (pid == 0) {
 298                 r = fexecve_or_execve(fd, t, STRV_MAKE(t, "--version"), STRV_MAKE(NULL));
 299                 log_error_errno(r, "[f]execve: %m");
 300                 _exit(EXIT_FAILURE);
 301         }
 302
 303         assert_se(wait_for_terminate_and_check(t, pid, WAIT_LOG) == 0);
 304 }
 305
 306 TEST(find_executable_exec) {
 307         test_find_executable_exec_one("touch");
 308         test_find_executable_exec_one("/bin/touch");
 309
 310         _cleanup_free_ char *script = NULL;
 311         assert_se(get_testdata_dir("test-path-util/script.sh", &script) >= 0);
 312         test_find_executable_exec_one(script);
 313 }
 314
 315 TEST(prefixes) {
 316         static const char* const values[] = {
 317                 "/a/b/c/d",
 318                 "/a/b/c",
 319                 "/a/b",
 320                 "/a",
 321                 "",
 322                 NULL
 323         };
 324         unsigned i;
 325         char s[PATH_MAX];
 326         bool b;
 327
 328         i = 0;
 329         PATH_FOREACH_PREFIX_MORE(s, "/a/b/c/d") {
 330                 log_error("---%s---", s);
 331                 assert_se(streq(s, values[i++]));
 332         }
 333         assert_se(values[i] == NULL);
 334
 335         i = 1;
 336         PATH_FOREACH_PREFIX(s, "/a/b/c/d") {
 337                 log_error("---%s---", s);
 338                 assert_se(streq(s, values[i++]));
 339         }
 340         assert_se(values[i] == NULL);
 341
 342         i = 0;
 343         PATH_FOREACH_PREFIX_MORE(s, "////a////b////c///d///////")
 344                 assert_se(streq(s, values[i++]));
 345         assert_se(values[i] == NULL);
 346
 347         i = 1;
 348         PATH_FOREACH_PREFIX(s, "////a////b////c///d///////")
 349                 assert_se(streq(s, values[i++]));
 350         assert_se(values[i] == NULL);
 351
 352         PATH_FOREACH_PREFIX(s, "////")
 353                 assert_not_reached();
 354
 355         b = false;
 356         PATH_FOREACH_PREFIX_MORE(s, "////") {
 357                 assert_se(!b);
 358                 assert_se(streq(s, ""));
 359                 b = true;
 360         }
 361         assert_se(b);
 362
 363         PATH_FOREACH_PREFIX(s, "")
 364                 assert_not_reached();
 365
 366         b = false;
 367         PATH_FOREACH_PREFIX_MORE(s, "") {
 368                 assert_se(!b);
 369                 assert_se(streq(s, ""));
 370                 b = true;
 371         }
 372 }
 373
 374 TEST(path_join) {
 375 #define test_join(expected, ...) {        \
 376                 _cleanup_free_ char *z = NULL;   \
 377                 z = path_join(__VA_ARGS__); \
 378                 log_debug("got \"%s\", expected \"%s\"", z, expected); \
 379                 assert_se(streq(z, expected));   \
 380         }
 381
 382         test_join("/root/a/b/c", "/root", "/a/b", "/c");
 383         test_join("/root/a/b/c", "/root", "a/b", "c");
 384         test_join("/root/a/b/c", "/root", "/a/b", "c");
 385         test_join("/root/c",     "/root", "/", "c");
 386         test_join("/root/",      "/root", "/", NULL);
 387
 388         test_join("/a/b/c", "", "/a/b", "/c");
 389         test_join("a/b/c",  "", "a/b", "c");
 390         test_join("/a/b/c", "", "/a/b", "c");
 391         test_join("/c",     "", "/", "c");
 392         test_join("/",      "", "/", NULL);
 393
 394         test_join("/a/b/c", NULL, "/a/b", "/c");
 395         test_join("a/b/c",  NULL, "a/b", "c");
 396         test_join("/a/b/c", NULL, "/a/b", "c");
 397         test_join("/c",     NULL, "/", "c");
 398         test_join("/",      NULL, "/", NULL);
 399
 400         test_join("", "", NULL);
 401         test_join("", NULL, "");
 402         test_join("", NULL, NULL);
 403
 404         test_join("foo/bar", "foo", "bar");
 405         test_join("foo/bar", "", "foo", "bar");
 406         test_join("foo/bar", NULL, "foo", NULL, "bar");
 407         test_join("foo/bar", "", "foo", "", "bar", "");
 408         test_join("foo/bar", "", "", "", "", "foo", "", "", "", "bar", "", "", "");
 409
 410         test_join("//foo///bar//",         "", "/", "", "/foo/", "", "/", "", "/bar/", "", "/", "");
 411         test_join("/foo/bar/",             "/", "foo", "/", "bar", "/");
 412         test_join("foo/bar/baz",           "foo", "bar", "baz");
 413         test_join("foo/bar/baz",           "foo/", "bar", "/baz");
 414         test_join("foo//bar//baz",         "foo/", "/bar/", "/baz");
 415         test_join("//foo////bar////baz//", "//foo/", "///bar/", "///baz//");
 416 }
 417
 418 TEST(path_extend) {
 419         _cleanup_free_ char *p = NULL;
 420
 421         assert_se(path_extend(&p, "foo", "bar", "baz") == p);
 422         assert_se(streq(p, "foo/bar/baz"));
 423
 424         assert_se(path_extend(&p, "foo", "bar", "baz") == p);
 425         assert_se(streq(p, "foo/bar/baz/foo/bar/baz"));
 426
 427         p = mfree(p);
 428         assert_se(path_extend(&p, "foo") == p);
 429         assert_se(streq(p, "foo"));
 430
 431         assert_se(path_extend(&p, "/foo") == p);
 432         assert_se(streq(p, "foo/foo"));
 433         assert_se(path_extend(&p, "/waaaah/wahhh//") == p);
 434         assert_se(streq(p, "foo/foo/waaaah/wahhh//")); /* path_extend() does not drop redundant slashes */
 435         assert_se(path_extend(&p, "/aaa/bbb/") == p);
 436         assert_se(streq(p, "foo/foo/waaaah/wahhh///aaa/bbb/")); /* but not add an extra slash */
 437
 438         assert_se(free_and_strdup(&p, "/") >= 0);
 439         assert_se(path_extend(&p, "foo") == p);
 440         assert_se(streq(p, "/foo"));
 441 }
 442
 443 TEST(fsck_exists) {
 444         /* Ensure we use a sane default for PATH. */
 445         assert_se(unsetenv("PATH") == 0);
 446
 447         /* fsck.minix is provided by util-linux and will probably exist. */
 448         assert_se(fsck_exists_for_fstype("minix") == 1);
 449
 450         assert_se(fsck_exists_for_fstype("AbCdE") == 0);
 451         assert_se(fsck_exists_for_fstype("/../bin/") == 0);
 452 }
 453
 454 static void test_path_make_relative_one(const char *from, const char *to, const char *expected) {
 455         _cleanup_free_ char *z = NULL;
 456         int r;
 457
 458         log_info("/* %s(%s, %s) */", __func__, from, to);
 459
 460         r = path_make_relative(from, to, &z);
 461         assert_se((r >= 0) == !!expected);
 462         assert_se(streq_ptr(z, expected));
 463 }
 464
 465 TEST(path_make_relative) {
 466         test_path_make_relative_one("some/relative/path", "/some/path", NULL);
 467         test_path_make_relative_one("/some/path", "some/relative/path", NULL);
 468         test_path_make_relative_one("/some/dotdot/../path", "/some/path", NULL);
 469
 470         test_path_make_relative_one("/", "/", ".");
 471         test_path_make_relative_one("/", "/some/path", "some/path");
 472         test_path_make_relative_one("/some/path", "/some/path", ".");
 473         test_path_make_relative_one("/some/path", "/some/path/in/subdir", "in/subdir");
 474         test_path_make_relative_one("/some/path", "/", "../..");
 475         test_path_make_relative_one("/some/path", "/some/other/path", "../other/path");
 476         test_path_make_relative_one("/some/path/./dot", "/some/further/path", "../../further/path");
 477         test_path_make_relative_one("//extra.//.//./.slashes//./won't////fo.ol///anybody//", "/././/extra././/.slashes////ar.e/.just/././.fine///", "../../../ar.e/.just/.fine");
 478 }
 479
 480 static void test_path_make_relative_parent_one(const char *from, const char *to, const char *expected) {
 481         _cleanup_free_ char *z = NULL;
 482         int r;
 483
 484         log_info("/* %s(%s, %s) */", __func__, from, to);
 485
 486         r = path_make_relative_parent(from, to, &z);
 487         assert_se((r >= 0) == !!expected);
 488         assert_se(streq_ptr(z, expected));
 489 }
 490
 491 TEST(path_make_relative_parent) {
 492         test_path_make_relative_parent_one("some/relative/path/hoge", "/some/path", NULL);
 493         test_path_make_relative_parent_one("/some/path/hoge", "some/relative/path", NULL);
 494         test_path_make_relative_parent_one("/some/dotdot/../path/hoge", "/some/path", NULL);
 495         test_path_make_relative_parent_one("/", "/aaa", NULL);
 496
 497         test_path_make_relative_parent_one("/hoge", "/", ".");
 498         test_path_make_relative_parent_one("/hoge", "/some/path", "some/path");
 499         test_path_make_relative_parent_one("/some/path/hoge", "/some/path", ".");
 500         test_path_make_relative_parent_one("/some/path/hoge", "/some/path/in/subdir", "in/subdir");
 501         test_path_make_relative_parent_one("/some/path/hoge", "/", "../..");
 502         test_path_make_relative_parent_one("/some/path/hoge", "/some/other/path", "../other/path");
 503         test_path_make_relative_parent_one("/some/path/./dot/hoge", "/some/further/path", "../../further/path");
 504         test_path_make_relative_parent_one("//extra.//.//./.slashes//./won't////fo.ol///anybody//hoge", "/././/extra././/.slashes////ar.e/.just/././.fine///", "../../../ar.e/.just/.fine");
 505 }
 506
 507 TEST(path_strv_resolve) {
 508         char tmp_dir[] = "/tmp/test-path-util-XXXXXX";
 509         _cleanup_strv_free_ char **search_dirs = NULL;
 510         _cleanup_strv_free_ char **absolute_dirs = NULL;
 511
 512         assert_se(mkdtemp(tmp_dir) != NULL);
 513
 514         search_dirs = strv_new("/dir1", "/dir2", "/dir3");
 515         assert_se(search_dirs);
 516         STRV_FOREACH(d, search_dirs) {
 517                 char *p = path_join(tmp_dir, *d);
 518                 assert_se(p);
 519                 assert_se(strv_push(&absolute_dirs, p) == 0);
 520         }
 521
 522         assert_se(mkdir(absolute_dirs[0], 0700) == 0);
 523         assert_se(mkdir(absolute_dirs[1], 0700) == 0);
 524         assert_se(symlink("dir2", absolute_dirs[2]) == 0);
 525
 526         path_strv_resolve(search_dirs, tmp_dir);
 527         assert_se(streq(search_dirs[0], "/dir1"));
 528         assert_se(streq(search_dirs[1], "/dir2"));
 529         assert_se(streq(search_dirs[2], "/dir2"));
 530
 531         assert_se(rm_rf(tmp_dir, REMOVE_ROOT|REMOVE_PHYSICAL) == 0);
 532 }
 533
 534 static void test_path_startswith_one(const char *path, const char *prefix, const char *skipped, const char *expected) {
 535         const char *p, *q;
 536
 537         log_debug("/* %s(%s, %s) */", __func__, path, prefix);
 538
 539         p = path_startswith(path, prefix);
 540         assert_se(streq_ptr(p, expected));
 541         if (p) {
 542                 q = strjoina(skipped, p);
 543                 assert_se(streq(q, path));
 544                 assert_se(p == path + strlen(skipped));
 545         }
 546 }
 547
 548 TEST(path_startswith) {
 549         test_path_startswith_one("/foo/bar/barfoo/", "/foo", "/foo/", "bar/barfoo/");
 550         test_path_startswith_one("/foo/bar/barfoo/", "/foo/", "/foo/", "bar/barfoo/");
 551         test_path_startswith_one("/foo/bar/barfoo/", "/", "/", "foo/bar/barfoo/");
 552         test_path_startswith_one("/foo/bar/barfoo/", "////", "/",  "foo/bar/barfoo/");
 553         test_path_startswith_one("/foo/bar/barfoo/", "/foo//bar/////barfoo///", "/foo/bar/barfoo/", "");
 554         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfoo////", "/foo/bar/barfoo/", "");
 555         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar///barfoo/", "/foo/bar/barfoo/", "");
 556         test_path_startswith_one("/foo/bar/barfoo/", "/foo////bar/barfoo/", "/foo/bar/barfoo/", "");
 557         test_path_startswith_one("/foo/bar/barfoo/", "////foo/bar/barfoo/", "/foo/bar/barfoo/", "");
 558         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfoo", "/foo/bar/barfoo/", "");
 559
 560         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfooa/", NULL, NULL);
 561         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfooa", NULL, NULL);
 562         test_path_startswith_one("/foo/bar/barfoo/", "", NULL, NULL);
 563         test_path_startswith_one("/foo/bar/barfoo/", "/bar/foo", NULL, NULL);
 564         test_path_startswith_one("/foo/bar/barfoo/", "/f/b/b/", NULL, NULL);
 565         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfo", NULL, NULL);
 566         test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/bar", NULL, NULL);
 567         test_path_startswith_one("/foo/bar/barfoo/", "/fo", NULL, NULL);
 568 }
 569
 570 static void test_prefix_root_one(const char *r, const char *p, const char *expected) {
 571         _cleanup_free_ char *s = NULL;
 572         const char *t;
 573
 574         assert_se(s = path_join(r, p));
 575         assert_se(path_equal_ptr(s, expected));
 576
 577         t = prefix_roota(r, p);
 578         assert_se(t);
 579         assert_se(path_equal_ptr(t, expected));
 580 }
 581
 582 TEST(prefix_root) {
 583         test_prefix_root_one("/", "/foo", "/foo");
 584         test_prefix_root_one(NULL, "/foo", "/foo");
 585         test_prefix_root_one("", "/foo", "/foo");
 586         test_prefix_root_one("///", "/foo", "/foo");
 587         test_prefix_root_one("/", "////foo", "/foo");
 588         test_prefix_root_one(NULL, "////foo", "/foo");
 589         test_prefix_root_one("/", "foo", "/foo");
 590         test_prefix_root_one("", "foo", "foo");
 591         test_prefix_root_one(NULL, "foo", "foo");
 592
 593         test_prefix_root_one("/foo", "/bar", "/foo/bar");
 594         test_prefix_root_one("/foo", "bar", "/foo/bar");
 595         test_prefix_root_one("foo", "bar", "foo/bar");
 596         test_prefix_root_one("/foo/", "/bar", "/foo/bar");
 597         test_prefix_root_one("/foo/", "//bar", "/foo/bar");
 598         test_prefix_root_one("/foo///", "//bar", "/foo/bar");
 599 }
 600
 601 TEST(file_in_same_dir) {
 602         char *t;
 603
 604         t = file_in_same_dir("/", "a");
 605         assert_se(streq(t, "/a"));
 606         free(t);
 607
 608         t = file_in_same_dir("/", "/a");
 609         assert_se(streq(t, "/a"));
 610         free(t);
 611
 612         t = file_in_same_dir("", "a");
 613         assert_se(streq(t, "a"));
 614         free(t);
 615
 616         t = file_in_same_dir("a/", "a");
 617         assert_se(streq(t, "a/a"));
 618         free(t);
 619
 620         t = file_in_same_dir("bar/foo", "bar");
 621         assert_se(streq(t, "bar/bar"));
 622         free(t);
 623 }
 624
 625 static void test_path_find_first_component_one(
 626                 const char *path,
 627                 bool accept_dot_dot,
 628                 char **expected,
 629                 int ret) {
 630
 631         log_debug("/* %s(\"%s\", accept_dot_dot=%s) */", __func__, strnull(path), yes_no(accept_dot_dot));
 632
 633         for (const char *p = path;;) {
 634                 const char *e;
 635                 int r;
 636
 637                 r = path_find_first_component(&p, accept_dot_dot, &e);
 638                 if (r <= 0) {
 639                         if (r == 0) {
 640                                 if (path)
 641                                         assert_se(p == path + strlen_ptr(path));
 642                                 else
 643                                         assert_se(!p);
 644                                 assert_se(!e);
 645                         }
 646                         assert_se(r == ret);
 647                         assert_se(strv_isempty(expected));
 648                         return;
 649                 }
 650
 651                 assert_se(e);
 652                 assert_se(strcspn(e, "/") == (size_t) r);
 653                 assert_se(strlen_ptr(*expected) == (size_t) r);
 654                 assert_se(strneq(e, *expected++, r));
 655         }
 656 }
 657
 658 TEST(path_find_first_component) {
 659         _cleanup_free_ char *hoge = NULL;
 660         char foo[NAME_MAX * 2];
 661
 662         test_path_find_first_component_one(NULL, false, NULL, 0);
 663         test_path_find_first_component_one("", false, NULL, 0);
 664         test_path_find_first_component_one("/", false, NULL, 0);
 665         test_path_find_first_component_one(".", false, NULL, 0);
 666         test_path_find_first_component_one("./", false, NULL, 0);
 667         test_path_find_first_component_one("./.", false, NULL, 0);
 668         test_path_find_first_component_one("..", false, NULL, -EINVAL);
 669         test_path_find_first_component_one("/..", false, NULL, -EINVAL);
 670         test_path_find_first_component_one("./..", false, NULL, -EINVAL);
 671         test_path_find_first_component_one("////./././//.", false, NULL, 0);
 672         test_path_find_first_component_one("a/b/c", false, STRV_MAKE("a", "b", "c"), 0);
 673         test_path_find_first_component_one("././//.///aa/bbb//./ccc", false, STRV_MAKE("aa", "bbb", "ccc"), 0);
 674         test_path_find_first_component_one("././//.///aa/.../../bbb//./ccc/.", false, STRV_MAKE("aa", "..."), -EINVAL);
 675         test_path_find_first_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", false, STRV_MAKE("aaa", ".bbb"), -EINVAL);
 676         test_path_find_first_component_one("a/foo./b", false, STRV_MAKE("a", "foo.", "b"), 0);
 677
 678         test_path_find_first_component_one(NULL, true, NULL, 0);
 679         test_path_find_first_component_one("", true, NULL, 0);
 680         test_path_find_first_component_one("/", true, NULL, 0);
 681         test_path_find_first_component_one(".", true, NULL, 0);
 682         test_path_find_first_component_one("./", true, NULL, 0);
 683         test_path_find_first_component_one("./.", true, NULL, 0);
 684         test_path_find_first_component_one("..", true, STRV_MAKE(".."), 0);
 685         test_path_find_first_component_one("/..", true, STRV_MAKE(".."), 0);
 686         test_path_find_first_component_one("./..", true, STRV_MAKE(".."), 0);
 687         test_path_find_first_component_one("////./././//.", true, NULL, 0);
 688         test_path_find_first_component_one("a/b/c", true, STRV_MAKE("a", "b", "c"), 0);
 689         test_path_find_first_component_one("././//.///aa/bbb//./ccc", true, STRV_MAKE("aa", "bbb", "ccc"), 0);
 690         test_path_find_first_component_one("././//.///aa/.../../bbb//./ccc/.", true, STRV_MAKE("aa", "...", "..", "bbb", "ccc"), 0);
 691         test_path_find_first_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", true, STRV_MAKE("aaa", ".bbb", "..", "c.", "d.dd", "..eeee"), 0);
 692         test_path_find_first_component_one("a/foo./b", true, STRV_MAKE("a", "foo.", "b"), 0);
 693
 694         memset(foo, 'a', sizeof(foo) -1);
 695         char_array_0(foo);
 696
 697         test_path_find_first_component_one(foo, false, NULL, -EINVAL);
 698         test_path_find_first_component_one(foo, true, NULL, -EINVAL);
 699
 700         hoge = strjoin("a/b/c/", foo, "//d/e/.//f/");
 701         assert_se(hoge);
 702
 703         test_path_find_first_component_one(hoge, false, STRV_MAKE("a", "b", "c"), -EINVAL);
 704         test_path_find_first_component_one(hoge, true, STRV_MAKE("a", "b", "c"), -EINVAL);
 705 }
 706
 707 static void test_path_find_last_component_one(
 708                 const char *path,
 709                 bool accept_dot_dot,
 710                 char **expected,
 711                 int ret) {
 712
 713         log_debug("/* %s(\"%s\", accept_dot_dot=%s) */", __func__, strnull(path), yes_no(accept_dot_dot));
 714
 715         for (const char *next = NULL;;) {
 716                 const char *e;
 717                 int r;
 718
 719                 r = path_find_last_component(path, accept_dot_dot, &next, &e);
 720                 if (r <= 0) {
 721                         if (r == 0) {
 722                                 assert_se(next == path);
 723                                 assert_se(!e);
 724                         }
 725                         assert_se(r == ret);
 726                         assert_se(strv_isempty(expected));
 727                         return;
 728                 }
 729
 730                 assert_se(e);
 731                 assert_se(strcspn(e, "/") == (size_t) r);
 732                 assert_se(strlen_ptr(*expected) == (size_t) r);
 733                 assert_se(strneq(e, *expected++, r));
 734         }
 735 }
 736
 737 TEST(path_find_last_component) {
 738         _cleanup_free_ char *hoge = NULL;
 739         char foo[NAME_MAX * 2];
 740
 741         test_path_find_last_component_one(NULL, false, NULL, 0);
 742         test_path_find_last_component_one("", false, NULL, 0);
 743         test_path_find_last_component_one("/", false, NULL, 0);
 744         test_path_find_last_component_one(".", false, NULL, 0);
 745         test_path_find_last_component_one("./", false, NULL, 0);
 746         test_path_find_last_component_one("./.", false, NULL, 0);
 747         test_path_find_last_component_one("..", false, NULL, -EINVAL);
 748         test_path_find_last_component_one("/..", false, NULL, -EINVAL);
 749         test_path_find_last_component_one("./..", false, NULL, -EINVAL);
 750         test_path_find_last_component_one("////./././//.", false, NULL, 0);
 751         test_path_find_last_component_one("a/b/c", false, STRV_MAKE("c", "b", "a"), 0);
 752         test_path_find_last_component_one("././//.///aa./.bbb//./ccc/././/", false, STRV_MAKE("ccc", ".bbb", "aa."), 0);
 753         test_path_find_last_component_one("././//.///aa/../.../bbb//./ccc/.", false, STRV_MAKE("ccc", "bbb", "..."), -EINVAL);
 754         test_path_find_last_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", false, STRV_MAKE("..eeee", "d.dd", "c."), -EINVAL);
 755
 756         test_path_find_last_component_one(NULL, true, NULL, 0);
 757         test_path_find_last_component_one("", true, NULL, 0);
 758         test_path_find_last_component_one("/", true, NULL, 0);
 759         test_path_find_last_component_one(".", true, NULL, 0);
 760         test_path_find_last_component_one("./", true, NULL, 0);
 761         test_path_find_last_component_one("./.", true, NULL, 0);
 762         test_path_find_last_component_one("..", true, STRV_MAKE(".."), 0);
 763         test_path_find_last_component_one("/..", true, STRV_MAKE(".."), 0);
 764         test_path_find_last_component_one("./..", true, STRV_MAKE(".."), 0);
 765         test_path_find_last_component_one("////./././//.", true, NULL, 0);
 766         test_path_find_last_component_one("a/b/c", true, STRV_MAKE("c", "b", "a"), 0);
 767         test_path_find_last_component_one("././//.///aa./.bbb//./ccc/././/", true, STRV_MAKE("ccc", ".bbb", "aa."), 0);
 768         test_path_find_last_component_one("././//.///aa/../.../bbb//./ccc/.", true, STRV_MAKE("ccc", "bbb", "...", "..", "aa"), 0);
 769         test_path_find_last_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", true, STRV_MAKE("..eeee", "d.dd", "c.", "..", ".bbb", "aaa"), 0);
 770
 771         memset(foo, 'a', sizeof(foo) -1);
 772         char_array_0(foo);
 773
 774         test_path_find_last_component_one(foo, false, NULL, -EINVAL);
 775         test_path_find_last_component_one(foo, true, NULL, -EINVAL);
 776
 777         hoge = strjoin(foo, "/a/b/c/");
 778         assert_se(hoge);
 779
 780         test_path_find_last_component_one(hoge, false, STRV_MAKE("c", "b", "a"), -EINVAL);
 781         test_path_find_last_component_one(hoge, true, STRV_MAKE("c", "b", "a"), -EINVAL);
 782 }
 783
 784 TEST(last_path_component) {
 785         assert_se(last_path_component(NULL) == NULL);
 786         assert_se(streq(last_path_component("a/b/c"), "c"));
 787         assert_se(streq(last_path_component("a/b/c/"), "c/"));
 788         assert_se(streq(last_path_component("/"), "/"));
 789         assert_se(streq(last_path_component("//"), "/"));
 790         assert_se(streq(last_path_component("///"), "/"));
 791         assert_se(streq(last_path_component("."), "."));
 792         assert_se(streq(last_path_component("./."), "."));
 793         assert_se(streq(last_path_component("././"), "./"));
 794         assert_se(streq(last_path_component("././/"), ".//"));
 795         assert_se(streq(last_path_component("/foo/a"), "a"));
 796         assert_se(streq(last_path_component("/foo/a/"), "a/"));
 797         assert_se(streq(last_path_component(""), ""));
 798         assert_se(streq(last_path_component("a"), "a"));
 799         assert_se(streq(last_path_component("a/"), "a/"));
 800         assert_se(streq(last_path_component("/a"), "a"));
 801         assert_se(streq(last_path_component("/a/"), "a/"));
 802 }
 803
 804 static void test_path_extract_filename_one(const char *input, const char *output, int ret) {
 805         _cleanup_free_ char *k = NULL;
 806         int r;
 807
 808         r = path_extract_filename(input, &k);
 809         log_info_errno(r, "%s → %s/%m [expected: %s/%s]",
 810                        strnull(input),
 811                        strnull(k), /* strerror(r) is printed via %m, to avoid that the two strerror()'s overwrite each other's buffers */
 812                        strnull(output), ret < 0 ? strerror_safe(ret) : "-");
 813         assert_se(streq_ptr(k, output));
 814         assert_se(r == ret);
 815 }
 816
 817 TEST(path_extract_filename) {
 818         test_path_extract_filename_one(NULL, NULL, -EINVAL);
 819         test_path_extract_filename_one("a/b/c", "c", 0);
 820         test_path_extract_filename_one("a/b/c/", "c", O_DIRECTORY);
 821         test_path_extract_filename_one("/", NULL, -EADDRNOTAVAIL);
 822         test_path_extract_filename_one("//", NULL, -EADDRNOTAVAIL);
 823         test_path_extract_filename_one("///", NULL, -EADDRNOTAVAIL);
 824         test_path_extract_filename_one("/.", NULL, -EADDRNOTAVAIL);
 825         test_path_extract_filename_one(".", NULL, -EADDRNOTAVAIL);
 826         test_path_extract_filename_one("./", NULL, -EADDRNOTAVAIL);
 827         test_path_extract_filename_one("./.", NULL, -EADDRNOTAVAIL);
 828         test_path_extract_filename_one("././", NULL, -EADDRNOTAVAIL);
 829         test_path_extract_filename_one("././/", NULL, -EADDRNOTAVAIL);
 830         test_path_extract_filename_one("/foo/a", "a", 0);
 831         test_path_extract_filename_one("/foo/a/", "a", O_DIRECTORY);
 832         test_path_extract_filename_one("", NULL, -EINVAL);
 833         test_path_extract_filename_one("a", "a", 0);
 834         test_path_extract_filename_one("a/", "a", O_DIRECTORY);
 835         test_path_extract_filename_one("a/././//.", "a", O_DIRECTORY);
 836         test_path_extract_filename_one("/a", "a", 0);
 837         test_path_extract_filename_one("/a/", "a", O_DIRECTORY);
 838         test_path_extract_filename_one("/a//./.", "a", O_DIRECTORY);
 839         test_path_extract_filename_one("/////////////a/////////////", "a", O_DIRECTORY);
 840         test_path_extract_filename_one("//./a/.///b./././.c//./d//.", "d", O_DIRECTORY);
 841         test_path_extract_filename_one("xx/.", "xx", O_DIRECTORY);
 842         test_path_extract_filename_one("xx/..", NULL, -EINVAL);
 843         test_path_extract_filename_one("..", NULL, -EINVAL);
 844         test_path_extract_filename_one("/..", NULL, -EINVAL);
 845         test_path_extract_filename_one("../", NULL, -EINVAL);
 846 }
 847
 848 static void test_path_extract_directory_one(const char *input, const char *output, int ret) {
 849         _cleanup_free_ char *k = NULL;
 850         int r;
 851
 852         r = path_extract_directory(input, &k);
 853         log_info_errno(r, "%s → %s/%m [expected: %s/%s]",
 854                        strnull(input),
 855                        strnull(k), /* we output strerror_safe(r) via %m here, since otherwise the error buffer might be overwritten twice */
 856                        strnull(output), strerror_safe(ret));
 857         assert_se(streq_ptr(k, output));
 858         assert_se(r == ret);
 859
 860         /* Extra safety check: let's make sure that if we split out the filename too (and it works) the
 861          * joined parts are identical to the original again */
 862         if (r >= 0) {
 863                 _cleanup_free_ char *f = NULL;
 864
 865                 r = path_extract_filename(input, &f);
 866                 if (r >= 0) {
 867                         _cleanup_free_ char *j = NULL;
 868
 869                         assert_se(j = path_join(k, f));
 870                         assert_se(path_equal(input, j));
 871                 }
 872         }
 873 }
 874
 875 TEST(path_extract_directory) {
 876         test_path_extract_directory_one(NULL, NULL, -EINVAL);
 877         test_path_extract_directory_one("a/b/c", "a/b", 0);
 878         test_path_extract_directory_one("a/b/c/", "a/b", 0);
 879         test_path_extract_directory_one("/", NULL, -EADDRNOTAVAIL);
 880         test_path_extract_directory_one("//", NULL, -EADDRNOTAVAIL);
 881         test_path_extract_directory_one("///", NULL, -EADDRNOTAVAIL);
 882         test_path_extract_directory_one("/.", NULL, -EADDRNOTAVAIL);
 883         test_path_extract_directory_one(".", NULL, -EADDRNOTAVAIL);
 884         test_path_extract_directory_one("./", NULL, -EADDRNOTAVAIL);
 885         test_path_extract_directory_one("./.", NULL, -EADDRNOTAVAIL);
 886         test_path_extract_directory_one("././", NULL, -EADDRNOTAVAIL);
 887         test_path_extract_directory_one("././/", NULL, -EADDRNOTAVAIL);
 888         test_path_extract_directory_one("/foo/a", "/foo", 0);
 889         test_path_extract_directory_one("/foo/a/", "/foo", 0);
 890         test_path_extract_directory_one("", NULL, -EINVAL);
 891         test_path_extract_directory_one("a", NULL, -EDESTADDRREQ);
 892         test_path_extract_directory_one("a/", NULL, -EDESTADDRREQ);
 893         test_path_extract_directory_one("a/././//.", NULL, -EDESTADDRREQ);
 894         test_path_extract_directory_one("/a", "/", 0);
 895         test_path_extract_directory_one("/a/", "/", 0);
 896         test_path_extract_directory_one("/a//./.", "/", 0);
 897         test_path_extract_directory_one("/////////////a/////////////", "/", 0);
 898         test_path_extract_directory_one("//./a/.///b./././.c//./d//.", "/a/b./.c", 0);
 899         test_path_extract_directory_one("xx/.", NULL, -EDESTADDRREQ);
 900         test_path_extract_directory_one("xx/..", NULL, -EINVAL);
 901         test_path_extract_directory_one("..", NULL, -EINVAL);
 902         test_path_extract_directory_one("/..", NULL, -EINVAL);
 903         test_path_extract_directory_one("../", NULL, -EINVAL);
 904 }
 905
 906 TEST(filename_is_valid) {
 907         char foo[NAME_MAX+2];
 908
 909         assert_se(!filename_is_valid(""));
 910         assert_se(!filename_is_valid("/bar/foo"));
 911         assert_se(!filename_is_valid("/"));
 912         assert_se(!filename_is_valid("."));
 913         assert_se(!filename_is_valid(".."));
 914         assert_se(!filename_is_valid("bar/foo"));
 915         assert_se(!filename_is_valid("bar/foo/"));
 916         assert_se(!filename_is_valid("bar//"));
 917
 918         memset(foo, 'a', sizeof(foo) - 1);
 919         char_array_0(foo);
 920
 921         assert_se(!filename_is_valid(foo));
 922
 923         assert_se(filename_is_valid("foo_bar-333"));
 924         assert_se(filename_is_valid("o.o"));
 925 }
 926
 927 static void test_path_is_valid_and_safe_one(const char *p, bool ret) {
 928         log_debug("/* %s(\"%s\") */", __func__, strnull(p));
 929
 930         assert_se(path_is_valid(p) == ret);
 931         if (ret)
 932                 ret = !streq(p, "..") &&
 933                         !startswith(p, "../") &&
 934                         !endswith(p, "/..") &&
 935                         !strstr(p, "/../");
 936         assert_se(path_is_safe(p) == ret);
 937 }
 938
 939 TEST(path_is_valid_and_safe) {
 940         char foo[PATH_MAX+2];
 941         const char *c;
 942
 943         test_path_is_valid_and_safe_one("", false);
 944         test_path_is_valid_and_safe_one("/bar/foo", true);
 945         test_path_is_valid_and_safe_one("/bar/foo/", true);
 946         test_path_is_valid_and_safe_one("/bar/foo/", true);
 947         test_path_is_valid_and_safe_one("//bar//foo//", true);
 948         test_path_is_valid_and_safe_one("/", true);
 949         test_path_is_valid_and_safe_one("/////", true);
 950         test_path_is_valid_and_safe_one("/////.///.////...///..//.", true);
 951         test_path_is_valid_and_safe_one(".", true);
 952         test_path_is_valid_and_safe_one("..", true);
 953         test_path_is_valid_and_safe_one("bar/foo", true);
 954         test_path_is_valid_and_safe_one("bar/foo/", true);
 955         test_path_is_valid_and_safe_one("bar//", true);
 956
 957         memset(foo, 'a', sizeof(foo) -1);
 958         char_array_0(foo);
 959
 960         test_path_is_valid_and_safe_one(foo, false);
 961
 962         c = strjoina("/xxx/", foo, "/yyy");
 963         test_path_is_valid_and_safe_one(c, false);
 964
 965         test_path_is_valid_and_safe_one("foo_bar-333", true);
 966         test_path_is_valid_and_safe_one("o.o", true);
 967 }
 968
 969 TEST(hidden_or_backup_file) {
 970         assert_se(hidden_or_backup_file(".hidden"));
 971         assert_se(hidden_or_backup_file("..hidden"));
 972         assert_se(!hidden_or_backup_file("hidden."));
 973
 974         assert_se(hidden_or_backup_file("backup~"));
 975         assert_se(hidden_or_backup_file(".backup~"));
 976
 977         assert_se(hidden_or_backup_file("lost+found"));
 978         assert_se(hidden_or_backup_file("aquota.user"));
 979         assert_se(hidden_or_backup_file("aquota.group"));
 980
 981         assert_se(hidden_or_backup_file("test.rpmnew"));
 982         assert_se(hidden_or_backup_file("test.dpkg-old"));
 983         assert_se(hidden_or_backup_file("test.dpkg-remove"));
 984         assert_se(hidden_or_backup_file("test.swp"));
 985
 986         assert_se(!hidden_or_backup_file("test.rpmnew."));
 987         assert_se(!hidden_or_backup_file("test.dpkg-old.foo"));
 988 }
 989
 990 TEST(skip_dev_prefix) {
 991         assert_se(streq(skip_dev_prefix("/"), "/"));
 992         assert_se(streq(skip_dev_prefix("/dev"), ""));
 993         assert_se(streq(skip_dev_prefix("/dev/"), ""));
 994         assert_se(streq(skip_dev_prefix("/dev/foo"), "foo"));
 995         assert_se(streq(skip_dev_prefix("/dev/foo/bar"), "foo/bar"));
 996         assert_se(streq(skip_dev_prefix("//dev"), ""));
 997         assert_se(streq(skip_dev_prefix("//dev//"), ""));
 998         assert_se(streq(skip_dev_prefix("/dev///foo"), "foo"));
 999         assert_se(streq(skip_dev_prefix("///dev///foo///bar"), "foo///bar"));
1000         assert_se(streq(skip_dev_prefix("//foo"), "//foo"));
1001         assert_se(streq(skip_dev_prefix("foo"), "foo"));
1002 }
1003
1004 TEST(empty_or_root) {
1005         assert_se(empty_or_root(NULL));
1006         assert_se(empty_or_root(""));
1007         assert_se(empty_or_root("/"));
1008         assert_se(empty_or_root("//"));
1009         assert_se(empty_or_root("///"));
1010         assert_se(empty_or_root("/////////////////"));
1011         assert_se(!empty_or_root("xxx"));
1012         assert_se(!empty_or_root("/xxx"));
1013         assert_se(!empty_or_root("/xxx/"));
1014         assert_se(!empty_or_root("//yy//"));
1015 }
1016
1017 TEST(path_startswith_set) {
1018         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/bar", "/zzz"), ""));
1019         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/", "/zzz"), "bar"));
1020         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo", "/zzz"), "bar"));
1021         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/", "/zzz"), "foo/bar"));
1022         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "", "/zzz"), NULL));
1023
1024         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/bar", "/zzz"), NULL));
1025         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/", "/zzz"), "bar2"));
1026         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo", "/zzz"), "bar2"));
1027         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/", "/zzz"), "foo/bar2"));
1028         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "", "/zzz"), NULL));
1029
1030         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/bar", "/zzz"), NULL));
1031         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/", "/zzz"), NULL));
1032         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo", "/zzz"), NULL));
1033         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/", "/zzz"), "foo2/bar"));
1034         assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "", "/zzz"), NULL));
1035 }
1036
1037 TEST(path_startswith_strv) {
1038         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), ""));
1039         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar"));
1040         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar"));
1041         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar"));
1042         assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
1043
1044         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL));
1045         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar2"));
1046         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar2"));
1047         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar2"));
1048         assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
1049
1050         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL));
1051         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), NULL));
1052         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), NULL));
1053         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo2/bar"));
1054         assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL));
1055 }
1056
1057 static void test_path_glob_can_match_one(const char *pattern, const char *prefix, const char *expected) {
1058         _cleanup_free_ char *result = NULL;
1059
1060         log_debug("%s(%s, %s, %s)", __func__, pattern, prefix, strnull(expected));
1061
1062         assert_se(path_glob_can_match(pattern, prefix, &result) == !!expected);
1063         assert_se(streq_ptr(result, expected));
1064 }
1065
1066 TEST(path_glob_can_match) {
1067         test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge/aaa/bbb", NULL);
1068         test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge/aaa", "/foo/hoge/aaa");
1069         test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge", "/foo/hoge/aaa");
1070         test_path_glob_can_match_one("/foo/hoge/aaa", "/foo", "/foo/hoge/aaa");
1071         test_path_glob_can_match_one("/foo/hoge/aaa", "/", "/foo/hoge/aaa");
1072
1073         test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge/aaa/bbb", NULL);
1074         test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge/aaa", "/foo/hoge/aaa");
1075         test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge", "/foo/hoge/aaa");
1076         test_path_glob_can_match_one("/foo/*/aaa", "/foo", "/foo/*/aaa");
1077         test_path_glob_can_match_one("/foo/*/aaa", "/", "/foo/*/aaa");
1078
1079         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy/aaa/bbb", NULL);
1080         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy/aaa", "/foo/xxx/yyy/aaa");
1081         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy", "/foo/xxx/yyy/aaa");
1082         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx", "/foo/xxx/*/aaa");
1083         test_path_glob_can_match_one("/foo/*/*/aaa", "/foo", "/foo/*/*/aaa");
1084         test_path_glob_can_match_one("/foo/*/*/aaa", "/", "/foo/*/*/aaa");
1085
1086         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa/bbb/ccc", NULL);
1087         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa/bbb", "/foo/xxx/aaa/bbb");
1088         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/ccc", NULL);
1089         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa", "/foo/xxx/aaa/*");
1090         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx", "/foo/xxx/aaa/*");
1091         test_path_glob_can_match_one("/foo/*/aaa/*", "/foo", "/foo/*/aaa/*");
1092         test_path_glob_can_match_one("/foo/*/aaa/*", "/", "/foo/*/aaa/*");
1093 }
1094
1095 TEST(print_MAX) {
1096         log_info("PATH_MAX=%zu\n"
1097                  "FILENAME_MAX=%zu\n"
1098                  "NAME_MAX=%zu",
1099                  (size_t) PATH_MAX,
1100                  (size_t) FILENAME_MAX,
1101                  (size_t) NAME_MAX);
1102
1103         assert_cc(FILENAME_MAX == PATH_MAX);
1104 }
1105
1106 DEFINE_TEST_MAIN(LOG_DEBUG);