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src/test/test-path-util.c
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test-path-util: add coverage for path edge cases
11 май 2026, 12:23
11 май 2026, 12:23
87d282a
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/* SPDX-License-Identifier: LGPL-2.1-or-later */ #include <stdio.h> #include <stdlib.h> #include <unistd.h> #include "alloc-util.h" #include "argv-util.h" #include "errno-util.h" #include "exec-util.h" #include "fd-util.h" #include "path-util.h" #include "process-util.h" #include "rm-rf.h" #include "stat-util.h" #include "string-util.h" #include "strv.h" #include "tests.h" #include "tmpfile-util.h" TEST(print_paths) { log_info("default system PATH: %s", default_PATH()); log_info("default user PATH: %s", default_user_PATH()); } TEST(path) { assert_se(!path_is_absolute(NULL)); assert_se(!path_is_absolute("")); assert_se( path_is_absolute("/")); assert_se( path_is_absolute("//")); assert_se(!path_is_absolute("./")); assert_se(!path_is_absolute("foo/bar")); assert_se( PATH_IN_SET("/bin", "/", "/bin", "/foo")); assert_se( PATH_IN_SET("/bin", "/bin")); assert_se( PATH_IN_SET("/bin", "/foo/bar", "/bin")); assert_se( PATH_IN_SET("/", "/", "/", "/foo/bar")); assert_se(!PATH_IN_SET("/", "/abc", "/def")); assert_se( path_equal(NULL, NULL)); assert_se( path_equal("/a", "/a")); assert_se(!path_equal("/a", "/b")); assert_se(!path_equal("/a", NULL)); assert_se(!path_equal(NULL, "/a")); assert_se(!path_equal("a", NULL)); assert_se(!path_equal(NULL, "a")); } TEST(path_is_normalized) { assert_se( path_is_normalized("/")); assert_se( path_is_normalized("/usr/bin")); assert_se( path_is_normalized("usr/bin")); assert_se(!path_is_normalized("")); assert_se(!path_is_normalized(".")); assert_se(!path_is_normalized("./usr/bin")); assert_se(!path_is_normalized("/usr//bin")); assert_se(!path_is_normalized("/usr/./bin")); assert_se(!path_is_normalized("/usr/bin/.")); assert_se(!path_is_normalized("../usr/bin")); assert_se(!path_is_normalized("/usr/../bin")); } TEST(is_path) { assert_se(!is_path("foo")); assert_se(!is_path("dos.ext")); assert_se( is_path("/dir")); assert_se( is_path("a/b")); assert_se( is_path("a/b.ext")); assert_se(!is_path(".")); assert_se(!is_path("")); assert_se(!is_path("..")); assert_se( is_path("/dev")); assert_se( is_path("/./dev")); assert_se( is_path("/./dev/.")); assert_se( is_path("/./dev.")); assert_se( is_path("//dev")); assert_se( is_path("///dev")); assert_se( is_path("/dev/")); assert_se( is_path("///dev/")); assert_se( is_path("/./dev/")); assert_se( is_path("/../dev/")); assert_se( is_path("/dev/sda")); assert_se( is_path("/dev/sda5")); assert_se( is_path("/dev/sda5b3")); assert_se( is_path("/dev/sda5b3/idontexit")); assert_se( is_path("/../dev/sda")); assert_se( is_path("/../../dev/sda5")); assert_se( is_path("/../../../dev/sda5b3")); assert_se( is_path("/.././.././dev/sda5b3/idontexit")); assert_se( is_path("/sys")); assert_se( is_path("/sys/")); assert_se( is_path("/./sys")); assert_se( is_path("/./sys/.")); assert_se( is_path("/./sys.")); assert_se( is_path("/sys/what")); assert_se( is_path("/sys/something/..")); assert_se( is_path("/sys/something/../")); assert_se( is_path("/sys////")); assert_se( is_path("/sys////.")); assert_se( is_path("/sys/..")); assert_se( is_path("/sys/../")); assert_se( is_path("/usr/../dev/sda")); } TEST(is_device_path) { assert_se(!is_device_path("foo")); assert_se(!is_device_path("dos.ext")); assert_se(!is_device_path("/dir")); assert_se(!is_device_path("a/b")); assert_se(!is_device_path("a/b.ext")); assert_se(!is_device_path(".")); assert_se(!is_device_path("")); assert_se(!is_device_path("..")); assert_se(!is_device_path("/dev")); assert_se(!is_device_path("/./dev")); assert_se(!is_device_path("/./dev/.")); assert_se(!is_device_path("/./dev.")); assert_se( is_device_path("/./dev/foo")); assert_se( is_device_path("/./dev/./foo")); assert_se(!is_device_path("/./dev./foo")); assert_se(!is_device_path("//dev")); assert_se(!is_device_path("///dev")); assert_se(!is_device_path("/dev/")); assert_se(!is_device_path("///dev/")); assert_se(!is_device_path("/./dev/")); assert_se(!is_device_path("/../dev/")); assert_se( is_device_path("/dev/sda")); assert_se( is_device_path("/dev/sda5")); assert_se( is_device_path("/dev/sda5b3")); assert_se( is_device_path("/dev/sda5b3/idontexit")); assert_se(!is_device_path("/../dev/sda")); assert_se(!is_device_path("/../../dev/sda5")); assert_se(!is_device_path("/../../../dev/sda5b3")); assert_se(!is_device_path("/.././.././dev/sda5b3/idontexit")); assert_se(!is_device_path("/sys")); assert_se(!is_device_path("/sys/")); assert_se(!is_device_path("/./sys")); assert_se(!is_device_path("/./sys/.")); assert_se(!is_device_path("/./sys.")); assert_se( is_device_path("/./sys/foo")); assert_se( is_device_path("/./sys/./foo")); assert_se(!is_device_path("/./sys./foo")); assert_se( is_device_path("/sys/what")); assert_se( is_device_path("/sys/something/..")); assert_se( is_device_path("/sys/something/../")); assert_se(!is_device_path("/sys////")); assert_se(!is_device_path("/sys////.")); assert_se( is_device_path("/sys/..")); assert_se( is_device_path("/sys/../")); assert_se(!is_device_path("/usr/../dev/sda")); } static void test_path_simplify_one(const char *in, const char *out, PathSimplifyFlags flags) { char *p; p = strdupa_safe(in); path_simplify_full(p, flags); log_debug("/* test_path_simplify(%s) → %s (expected: %s) */", in, p, out); ASSERT_STREQ(p, out); } TEST(path_simplify) { _cleanup_free_ char *hoge = NULL, *hoge_out = NULL; char foo[NAME_MAX * 2]; test_path_simplify_one("", "", 0); test_path_simplify_one("aaa/bbb////ccc", "aaa/bbb/ccc", 0); test_path_simplify_one("//aaa/.////ccc", "/aaa/ccc", 0); test_path_simplify_one("///", "/", 0); test_path_simplify_one("///", "/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("///.//", "/", 0); test_path_simplify_one("///.//.///", "/", 0); test_path_simplify_one("////.././///../.", "/", 0); test_path_simplify_one(".", ".", 0); test_path_simplify_one("./", ".", 0); test_path_simplify_one("./", "./", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one(".///.//./.", ".", 0); test_path_simplify_one(".///.//././/", ".", 0); test_path_simplify_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", "/aaa/.bbb/../c./d.dd/..eeee", 0); test_path_simplify_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..", "/aaa/.bbb/../c./d.dd/..eeee/..", 0); test_path_simplify_one(".//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..", "aaa/.bbb/../c./d.dd/..eeee/..", 0); test_path_simplify_one("..//./aaa///.//./.bbb/..///c.//d.dd///..eeee/..", "../aaa/.bbb/../c./d.dd/..eeee/..", 0); test_path_simplify_one("abc///", "abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../abc///", "/abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../abc///", "/abc", 0); test_path_simplify_one("/../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../abc///..", "/abc/..", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../abc///../", "/abc/../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../abc///../", "/abc/..", 0); test_path_simplify_one("/../../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../../abc///", "/abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../../abc///", "/abc", 0); test_path_simplify_one("/../../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../../abc///../..", "/abc/../..", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../../abc///../../", "/abc/../../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/../../abc///../../", "/abc/../..", 0); test_path_simplify_one("/.././../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.././../abc///", "/abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.././../abc///", "/abc", 0); test_path_simplify_one("/.././../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.././../abc///../..", "/abc/../..", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.././../abc///../../", "/abc/../../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.././../abc///../../", "/abc/../..", 0); test_path_simplify_one("/./.././../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/./.././../abc///", "/abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/./.././../abc///", "/abc", 0); test_path_simplify_one("/./.././../abc", "/abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/./.././../abc///../..", "/abc/../..", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/./.././../abc///../../", "/abc/../../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/./.././../abc///../../", "/abc/../..", 0); test_path_simplify_one("/.../abc", "/.../abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.../abc///", "/.../abc/", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.../abc///", "/.../abc", 0); test_path_simplify_one("/.../abc", "/.../abc", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.../abc///...", "/.../abc/...", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.../abc///.../", "/.../abc/.../", PATH_SIMPLIFY_KEEP_TRAILING_SLASH); test_path_simplify_one("/.../abc///.../", "/.../abc/...", 0); memset(foo, 'a', sizeof(foo) -1); char_array_0(foo); test_path_simplify_one(foo, foo, 0); hoge = strjoin("/", foo); assert_se(hoge); test_path_simplify_one(hoge, hoge, 0); hoge = mfree(hoge); hoge = strjoin("a////.//././//./b///././/./c/////././//./", foo, "//.//////d/e/.//f/"); assert_se(hoge); hoge_out = strjoin("a/b/c/", foo, "//.//////d/e/.//f/"); assert_se(hoge_out); test_path_simplify_one(hoge, hoge_out, 0); } static void test_path_compare_one(const char *a, const char *b, int expected) { int r; assert_se(path_compare(a, a) == 0); assert_se(path_compare(b, b) == 0); r = path_compare(a, b); assert_se((r > 0) == (expected > 0) && (r < 0) == (expected < 0)); r = path_compare(b, a); assert_se((r < 0) == (expected > 0) && (r > 0) == (expected < 0)); assert_se(path_equal(a, a) == 1); assert_se(path_equal(b, b) == 1); assert_se(path_equal(a, b) == (expected == 0)); assert_se(path_equal(b, a) == (expected == 0)); } TEST(path_compare) { test_path_compare_one("/goo", "/goo", 0); test_path_compare_one("/goo", "/goo", 0); test_path_compare_one("//goo", "/goo", 0); test_path_compare_one("//goo/////", "/goo", 0); test_path_compare_one("goo/////", "goo", 0); test_path_compare_one("/goo/boo", "/goo//boo", 0); test_path_compare_one("//goo/boo", "/goo/boo//", 0); test_path_compare_one("//goo/././//./boo//././//", "/goo/boo//.", 0); test_path_compare_one("/.", "//.///", 0); test_path_compare_one("/x", "x/", 1); test_path_compare_one("x/", "/", -1); test_path_compare_one("/x/./y", "x/y", 1); test_path_compare_one("/x/./y", "/x/y", 0); test_path_compare_one("/x/./././y", "/x/y/././.", 0); test_path_compare_one("./x/./././y", "./x/y/././.", 0); test_path_compare_one(".", "./.", 0); test_path_compare_one(".", "././.", 0); test_path_compare_one("./..", ".", 1); test_path_compare_one("x/.y", "x/y", -1); test_path_compare_one("foo", "/foo", -1); test_path_compare_one("/foo", "/foo/bar", -1); test_path_compare_one("/foo/aaa", "/foo/b", -1); test_path_compare_one("/foo/aaa", "/foo/b/a", -1); test_path_compare_one("/foo/a", "/foo/aaa", -1); test_path_compare_one("/foo/a/b", "/foo/aaa", -1); } static void test_path_compare_filename_one(const char *a, const char *b, int expected) { int r; assert_se(path_compare_filename(a, a) == 0); assert_se(path_compare_filename(b, b) == 0); r = path_compare_filename(a, b); assert_se((r > 0) == (expected > 0) && (r < 0) == (expected < 0)); r = path_compare_filename(b, a); assert_se((r < 0) == (expected > 0) && (r > 0) == (expected < 0)); assert_se(path_equal_filename(a, a) == 1); assert_se(path_equal_filename(b, b) == 1); assert_se(path_equal_filename(a, b) == (expected == 0)); assert_se(path_equal_filename(b, a) == (expected == 0)); } TEST(path_compare_filename) { test_path_compare_filename_one("/goo", "/goo", 0); test_path_compare_filename_one("/goo", "/goo", 0); test_path_compare_filename_one("//goo", "/goo", 0); test_path_compare_filename_one("//goo/////", "/goo", 0); test_path_compare_filename_one("goo/////", "goo", 0); test_path_compare_filename_one("/goo/boo", "/goo//boo", 0); test_path_compare_filename_one("//goo/boo", "/goo/boo//", 0); test_path_compare_filename_one("//goo/././//./boo//././//", "/goo/boo//.", 0); test_path_compare_filename_one("/.", "//.///", -1); test_path_compare_filename_one("/x", "x/", 0); test_path_compare_filename_one("x/", "/", 1); test_path_compare_filename_one("/x/./y", "x/y", 0); test_path_compare_filename_one("/x/./y", "/x/y", 0); test_path_compare_filename_one("/x/./././y", "/x/y/././.", 0); test_path_compare_filename_one("./x/./././y", "./x/y/././.", 0); test_path_compare_filename_one(".", "./.", -1); test_path_compare_filename_one(".", "././.", -1); test_path_compare_filename_one("./..", ".", 1); test_path_compare_filename_one("x/.y", "x/y", -1); test_path_compare_filename_one("foo", "/foo", 0); test_path_compare_filename_one("/foo", "/foo/bar", 1); test_path_compare_filename_one("/foo/aaa", "/foo/b", -1); test_path_compare_filename_one("/foo/aaa", "/foo/b/a", 1); test_path_compare_filename_one("/foo/a", "/foo/aaa", -1); test_path_compare_filename_one("/foo/a/b", "/foo/aaa", 1); test_path_compare_filename_one("/a/c", "/b/c", 0); test_path_compare_filename_one("/a", "/a", 0); test_path_compare_filename_one("/a/b", "/a/c", -1); test_path_compare_filename_one("/b", "/c", -1); } TEST(path_equal_root) { /* Nail down the details of how path_equal("/", ...) works. */ assert_se(path_equal("/", "/")); assert_se(path_equal("/", "//")); assert_se(path_equal("/", "/./")); assert_se(!path_equal("/", "/../")); assert_se(!path_equal("/", "/.../")); /* Make sure that files_same works as expected. */ assert_se(inode_same("/", "/", 0) > 0); assert_se(inode_same("/", "/", AT_SYMLINK_NOFOLLOW) > 0); assert_se(inode_same("/", "//", 0) > 0); assert_se(inode_same("/", "//", AT_SYMLINK_NOFOLLOW) > 0); assert_se(inode_same("/", "/./", 0) > 0); assert_se(inode_same("/", "/./", AT_SYMLINK_NOFOLLOW) > 0); assert_se(inode_same("/", "/../", 0) > 0); assert_se(inode_same("/", "/../", AT_SYMLINK_NOFOLLOW) > 0); assert_se(inode_same("/", "/.../", 0) == -ENOENT); assert_se(inode_same("/", "/.../", AT_SYMLINK_NOFOLLOW) == -ENOENT); /* The same for path_equal_or_files_same. */ assert_se(path_equal_or_inode_same("/", "/", 0)); assert_se(path_equal_or_inode_same("/", "/", AT_SYMLINK_NOFOLLOW)); assert_se(path_equal_or_inode_same("/", "//", 0)); assert_se(path_equal_or_inode_same("/", "//", AT_SYMLINK_NOFOLLOW)); assert_se(path_equal_or_inode_same("/", "/./", 0)); assert_se(path_equal_or_inode_same("/", "/./", AT_SYMLINK_NOFOLLOW)); assert_se(path_equal_or_inode_same("/", "/../", 0)); assert_se(path_equal_or_inode_same("/", "/../", AT_SYMLINK_NOFOLLOW)); assert_se(!path_equal_or_inode_same("/", "/.../", 0)); assert_se(!path_equal_or_inode_same("/", "/.../", AT_SYMLINK_NOFOLLOW)); } TEST(find_executable_full) { char *p, *bp; _cleanup_free_ char *test_file_name = NULL; _cleanup_close_ int fd = -EBADF; char fn[] = "/tmp/test-XXXXXX"; assert_se(find_executable_full("sh", NULL, NULL, true, &p, NULL) == 0); puts(p); ASSERT_OK(path_extract_filename(p, &bp)); ASSERT_STREQ(bp, "sh"); free(p); free(bp); assert_se(find_executable_full("sh", NULL, NULL, false, &p, NULL) == 0); puts(p); ASSERT_OK(path_extract_filename(p, &bp)); ASSERT_STREQ(bp, "sh"); free(p); free(bp); _cleanup_free_ char *oldpath = NULL; p = getenv("PATH"); if (p) assert_se(oldpath = strdup(p)); assert_se(unsetenv("PATH") == 0); assert_se(find_executable_full("sh", NULL, NULL, true, &p, NULL) == 0); puts(p); ASSERT_OK(path_extract_filename(p, &bp)); ASSERT_STREQ(bp, "sh"); free(p); free(bp); assert_se(find_executable_full("sh", NULL, NULL, false, &p, NULL) == 0); puts(p); ASSERT_OK(path_extract_filename(p, &bp)); ASSERT_STREQ(bp, "sh"); free(p); free(bp); if (oldpath) ASSERT_OK_ERRNO(setenv("PATH", oldpath, true)); ASSERT_OK(fd = mkostemp_safe(fn)); ASSERT_OK_ERRNO(fchmod(fd, 0755)); ASSERT_OK(path_extract_filename(fn, &test_file_name)); assert_se(find_executable_full(test_file_name, NULL, STRV_MAKE("/doesnotexist", "/tmp", "/bin"), false, &p, NULL) == 0); puts(p); ASSERT_STREQ(p, fn); free(p); (void) unlink(fn); assert_se(find_executable_full(test_file_name, NULL, STRV_MAKE("/doesnotexist", "/tmp", "/bin"), false, &p, NULL) == -ENOENT); } TEST(find_executable) { char *p; _cleanup_free_ char *bp = NULL; assert_se(find_executable("/bin/sh", &p) == 0); puts(p); assert_se(path_equal(p, "/bin/sh")); free(p); assert_se(find_executable(saved_argv[0], &p) == 0); puts(p); assert_se(endswith(p, "/test-path-util")); assert_se(path_is_absolute(p)); free(p); assert_se(find_executable("sh", &p) == 0); puts(p); assert_se(endswith(p, "/sh")); assert_se(path_is_absolute(p)); free(p); assert_se(find_executable("/bin/touch", &p) == 0); ASSERT_STREQ(p, "/bin/touch"); free(p); assert_se(find_executable("touch", &p) == 0); assert_se(path_is_absolute(p)); ASSERT_OK(path_extract_filename(p, &bp)); ASSERT_STREQ(bp, "touch"); free(p); assert_se(find_executable("xxxx-xxxx", &p) == -ENOENT); assert_se(find_executable("/some/dir/xxxx-xxxx", &p) == -ENOENT); assert_se(find_executable("/proc/filesystems", &p) == -EACCES); } static void test_find_executable_exec_one(const char *path) { _cleanup_free_ char *t = NULL; _cleanup_close_ int fd = -EBADF; int r; r = find_executable_full(path, NULL, NULL, false, &t, &fd); log_info_errno(r, "%s: %s → %s: %d/%m", __func__, path, t ?: "-", fd); assert_se(fd > STDERR_FILENO); assert_se(path_is_absolute(t)); if (path_is_absolute(path)) ASSERT_STREQ(t, path); r = ASSERT_OK(pidref_safe_fork( "(find-exec)", FORK_LOG|FORK_DEATHSIG_SIGKILL|FORK_WAIT, /* ret= */ NULL)); if (r == 0) { r = fexecve_or_execve(fd, t, STRV_MAKE(t, "--version"), STRV_MAKE(NULL)); log_error_errno(r, "[f]execve: %m"); _exit(EXIT_FAILURE); } } TEST(find_executable_exec) { test_find_executable_exec_one("touch"); test_find_executable_exec_one("/bin/touch"); _cleanup_free_ char *script = NULL; assert_se(get_testdata_dir("test-path-util/script.sh", &script) >= 0); test_find_executable_exec_one(script); } TEST(prefixes) { static const char* const values[] = { "/a/b/c/d", "/a/b/c", "/a/b", "/a", "", NULL }; unsigned i; char s[PATH_MAX]; bool b; i = 0; PATH_FOREACH_PREFIX_MORE(s, "/a/b/c/d") { log_error("---%s---", s); ASSERT_STREQ(s, values[i++]); } ASSERT_NULL(values[i]); i = 1; PATH_FOREACH_PREFIX(s, "/a/b/c/d") { log_error("---%s---", s); ASSERT_STREQ(s, values[i++]); } ASSERT_NULL(values[i]); i = 0; PATH_FOREACH_PREFIX_MORE(s, "////a////b////c///d///////") ASSERT_STREQ(s, values[i++]); ASSERT_NULL(values[i]); i = 1; PATH_FOREACH_PREFIX(s, "////a////b////c///d///////") ASSERT_STREQ(s, values[i++]); ASSERT_NULL(values[i]); PATH_FOREACH_PREFIX(s, "////") assert_not_reached(); b = false; PATH_FOREACH_PREFIX_MORE(s, "////") { assert_se(!b); ASSERT_STREQ(s, ""); b = true; } assert_se(b); PATH_FOREACH_PREFIX(s, "") assert_not_reached(); b = false; PATH_FOREACH_PREFIX_MORE(s, "") { assert_se(!b); ASSERT_STREQ(s, ""); b = true; } } TEST(path_join) { #define test_join(expected, ...) { \ _cleanup_free_ char *z = NULL; \ z = path_join(__VA_ARGS__); \ log_debug("got \"%s\", expected \"%s\"", z, expected); \ ASSERT_STREQ(z, expected); \ } test_join("/root/a/b/c", "/root", "/a/b", "/c"); test_join("/root/a/b/c", "/root", "a/b", "c"); test_join("/root/a/b/c", "/root", "/a/b", "c"); test_join("/root/c", "/root", "/", "c"); test_join("/root/", "/root", "/", NULL); test_join("/a/b/c", "", "/a/b", "/c"); test_join("a/b/c", "", "a/b", "c"); test_join("/a/b/c", "", "/a/b", "c"); test_join("/c", "", "/", "c"); test_join("/", "", "/", NULL); test_join("/a/b/c", NULL, "/a/b", "/c"); test_join("a/b/c", NULL, "a/b", "c"); test_join("/a/b/c", NULL, "/a/b", "c"); test_join("/c", NULL, "/", "c"); test_join("/", NULL, "/", NULL); test_join("", "", NULL); test_join("", NULL, ""); test_join("", NULL, NULL); test_join("foo/bar", "foo", "bar"); test_join("foo/bar", "", "foo", "bar"); test_join("foo/bar", NULL, "foo", NULL, "bar"); test_join("foo/bar", "", "foo", "", "bar", ""); test_join("foo/bar", "", "", "", "", "foo", "", "", "", "bar", "", "", ""); test_join("//foo///bar//", "", "/", "", "/foo/", "", "/", "", "/bar/", "", "/", ""); test_join("/foo/bar/", "/", "foo", "/", "bar", "/"); test_join("foo/bar/baz", "foo", "bar", "baz"); test_join("foo/bar/baz", "foo/", "bar", "/baz"); test_join("foo//bar//baz", "foo/", "/bar/", "/baz"); test_join("//foo////bar////baz//", "//foo/", "///bar/", "///baz//"); } TEST(path_extend) { _cleanup_free_ char *p = NULL; assert_se(path_extend(&p, "foo", "bar", "baz") == p); ASSERT_STREQ(p, "foo/bar/baz"); assert_se(path_extend(&p, "foo", "bar", "baz") == p); ASSERT_STREQ(p, "foo/bar/baz/foo/bar/baz"); p = mfree(p); assert_se(path_extend(&p, "foo") == p); ASSERT_STREQ(p, "foo"); assert_se(path_extend(&p, "/foo") == p); ASSERT_STREQ(p, "foo/foo"); assert_se(path_extend(&p, "/waaaah/wahhh//") == p); ASSERT_STREQ(p, "foo/foo/waaaah/wahhh//"); /* path_extend() does not drop redundant slashes */ assert_se(path_extend(&p, "/aaa/bbb/") == p); ASSERT_STREQ(p, "foo/foo/waaaah/wahhh///aaa/bbb/"); /* but not add an extra slash */ assert_se(free_and_strdup(&p, "/") >= 0); assert_se(path_extend(&p, "foo") == p); ASSERT_STREQ(p, "/foo"); } TEST(fsck_exists) { /* Ensure we use a sane default for PATH. */ assert_se(unsetenv("PATH") == 0); /* We might or might not find one of these, so keep the test lax. */ assert_se(fsck_exists_for_fstype("minix") >= 0); assert_se(fsck_exists_for_fstype("AbCdE") == 0); assert_se(fsck_exists_for_fstype("/../bin/") == 0); } static void test_path_make_relative_one(const char *from, const char *to, const char *expected) { _cleanup_free_ char *z = NULL; int r; log_info("/* %s(%s, %s) */", __func__, from, to); r = path_make_relative(from, to, &z); assert_se((r >= 0) == !!expected); ASSERT_STREQ(z, expected); } TEST(path_make_relative) { test_path_make_relative_one("some/relative/path", "/some/path", NULL); test_path_make_relative_one("/some/path", "some/relative/path", NULL); test_path_make_relative_one("/some/dotdot/../path", "/some/path", NULL); test_path_make_relative_one("/", "/", "."); test_path_make_relative_one("/", "/some/path", "some/path"); test_path_make_relative_one("/some/path", "/some/path", "."); test_path_make_relative_one("/some/path", "/some/path/in/subdir", "in/subdir"); test_path_make_relative_one("/some/path", "/", "../.."); test_path_make_relative_one("/some/path", "/some/other/path", "../other/path"); test_path_make_relative_one("/some/path/./dot", "/some/further/path", "../../further/path"); test_path_make_relative_one("//extra.//.//./.slashes//./won't////fo.ol///anybody//", "/././/extra././/.slashes////ar.e/.just/././.fine///", "../../../ar.e/.just/.fine"); } static void test_path_make_relative_parent_one(const char *from, const char *to, const char *expected) { _cleanup_free_ char *z = NULL; int r; log_info("/* %s(%s, %s) */", __func__, from, to); r = path_make_relative_parent(from, to, &z); assert_se((r >= 0) == !!expected); ASSERT_STREQ(z, expected); } TEST(path_make_relative_parent) { test_path_make_relative_parent_one("some/relative/path/hoge", "/some/path", NULL); test_path_make_relative_parent_one("/some/path/hoge", "some/relative/path", NULL); test_path_make_relative_parent_one("/some/dotdot/../path/hoge", "/some/path", NULL); test_path_make_relative_parent_one("/", "/aaa", NULL); test_path_make_relative_parent_one("/hoge", "/", "."); test_path_make_relative_parent_one("/hoge", "/some/path", "some/path"); test_path_make_relative_parent_one("/some/path/hoge", "/some/path", "."); test_path_make_relative_parent_one("/some/path/hoge", "/some/path/in/subdir", "in/subdir"); test_path_make_relative_parent_one("/some/path/hoge", "/", "../.."); test_path_make_relative_parent_one("/some/path/hoge", "/some/other/path", "../other/path"); test_path_make_relative_parent_one("/some/path/./dot/hoge", "/some/further/path", "../../further/path"); test_path_make_relative_parent_one("//extra.//.//./.slashes//./won't////fo.ol///anybody//hoge", "/././/extra././/.slashes////ar.e/.just/././.fine///", "../../../ar.e/.just/.fine"); } TEST(path_strv_resolve) { char tmp_dir[] = "/tmp/test-path-util-XXXXXX"; _cleanup_strv_free_ char **search_dirs = NULL; _cleanup_strv_free_ char **absolute_dirs = NULL; ASSERT_NOT_NULL(mkdtemp(tmp_dir)); search_dirs = strv_new("/dir1", "/dir2", "/dir3"); assert_se(search_dirs); STRV_FOREACH(d, search_dirs) { char *p = path_join(tmp_dir, *d); assert_se(p); assert_se(strv_push(&absolute_dirs, p) == 0); } assert_se(mkdir(absolute_dirs[0], 0700) == 0); assert_se(mkdir(absolute_dirs[1], 0700) == 0); assert_se(symlink("dir2", absolute_dirs[2]) == 0); path_strv_resolve(search_dirs, tmp_dir); ASSERT_STREQ(search_dirs[0], "/dir1"); ASSERT_STREQ(search_dirs[1], "/dir2"); ASSERT_STREQ(search_dirs[2], "/dir2"); assert_se(rm_rf(tmp_dir, REMOVE_ROOT|REMOVE_PHYSICAL) == 0); } static void test_path_startswith_one(const char *path, const char *prefix, const char *skipped, const char *expected) { const char *p, *q; log_debug("/* %s(%s, %s) */", __func__, path, prefix); p = path_startswith(path, prefix); ASSERT_STREQ(p, expected); if (p) { q = strjoina(skipped, p); ASSERT_STREQ(q, path); assert_se(p == path + strlen(skipped)); } } TEST(path_startswith) { test_path_startswith_one("/foo/bar/barfoo/", "/foo", "/foo/", "bar/barfoo/"); test_path_startswith_one("/foo/bar/barfoo/", "/foo/", "/foo/", "bar/barfoo/"); test_path_startswith_one("/foo/bar/barfoo/", "/", "/", "foo/bar/barfoo/"); test_path_startswith_one("/foo/bar/barfoo/", "////", "/", "foo/bar/barfoo/"); test_path_startswith_one("/foo/bar/barfoo/", "/foo//bar/////barfoo///", "/foo/bar/barfoo/", ""); test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfoo////", "/foo/bar/barfoo/", ""); test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar///barfoo/", "/foo/bar/barfoo/", ""); test_path_startswith_one("/foo/bar/barfoo/", "/foo////bar/barfoo/", "/foo/bar/barfoo/", ""); test_path_startswith_one("/foo/bar/barfoo/", "////foo/bar/barfoo/", "/foo/bar/barfoo/", ""); test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfoo", "/foo/bar/barfoo/", ""); test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo", "/foo/./", "bar///barfoo/./."); test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo/", "/foo/./", "bar///barfoo/./."); test_path_startswith_one("/foo/./bar///barfoo/./.", "/", "/", "foo/./bar///barfoo/./."); test_path_startswith_one("/foo/./bar///barfoo/./.", "////", "/", "foo/./bar///barfoo/./."); test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo//bar/////barfoo///", "/foo/./bar///barfoo/./.", ""); test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo/bar/barfoo////", "/foo/./bar///barfoo/./.", ""); test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo/bar///barfoo/", "/foo/./bar///barfoo/./.", ""); test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo////bar/barfoo/", "/foo/./bar///barfoo/./.", ""); test_path_startswith_one("/foo/./bar///barfoo/./.", "////foo/bar/barfoo/", "/foo/./bar///barfoo/./.", ""); test_path_startswith_one("/foo/./bar///barfoo/./.", "/foo/bar/barfoo", "/foo/./bar///barfoo/./.", ""); test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfooa/", NULL, NULL); test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfooa", NULL, NULL); test_path_startswith_one("/foo/bar/barfoo/", "", NULL, NULL); test_path_startswith_one("/foo/bar/barfoo/", "/bar/foo", NULL, NULL); test_path_startswith_one("/foo/bar/barfoo/", "/f/b/b/", NULL, NULL); test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/barfo", NULL, NULL); test_path_startswith_one("/foo/bar/barfoo/", "/foo/bar/bar", NULL, NULL); test_path_startswith_one("/foo/bar/barfoo/", "/fo", NULL, NULL); test_path_startswith_one("/usr/binary", "/usr/bin", NULL, NULL); test_path_startswith_one("/foo/barista", "/foo/bar", NULL, NULL); test_path_startswith_one("foo/barista", "foo/bar", NULL, NULL); } static void test_path_startswith_return_leading_slash_one(const char *path, const char *prefix, const char *expected) { const char *p; log_debug("/* %s(%s, %s) */", __func__, path, prefix); p = path_startswith_full(path, prefix, PATH_STARTSWITH_RETURN_LEADING_SLASH); ASSERT_STREQ(p, expected); } TEST(path_startswith_return_leading_slash) { test_path_startswith_return_leading_slash_one("/foo/bar", "/", "/foo/bar"); test_path_startswith_return_leading_slash_one("/foo/bar", "/foo", "/bar"); test_path_startswith_return_leading_slash_one("/foo/bar", "/foo/bar", NULL); test_path_startswith_return_leading_slash_one("/foo/bar/", "/foo/bar", "/"); } static void test_prefix_root_one(const char *r, const char *p, const char *expected) { _cleanup_free_ char *s = NULL; assert_se(s = path_join(r, p)); assert_se(path_equal(s, expected)); _cleanup_free_ char *t = path_join(r, p); assert_se(t); assert_se(path_equal(t, expected)); } TEST(prefix_root) { test_prefix_root_one("/", "/foo", "/foo"); test_prefix_root_one(NULL, "/foo", "/foo"); test_prefix_root_one("", "/foo", "/foo"); test_prefix_root_one("///", "/foo", "/foo"); test_prefix_root_one("/", "////foo", "/foo"); test_prefix_root_one(NULL, "////foo", "/foo"); test_prefix_root_one("/", "foo", "/foo"); test_prefix_root_one("", "foo", "foo"); test_prefix_root_one(NULL, "foo", "foo"); test_prefix_root_one("/foo", "/bar", "/foo/bar"); test_prefix_root_one("/foo", "bar", "/foo/bar"); test_prefix_root_one("foo", "bar", "foo/bar"); test_prefix_root_one("/foo/", "/bar", "/foo/bar"); test_prefix_root_one("/foo/", "//bar", "/foo/bar"); test_prefix_root_one("/foo///", "//bar", "/foo/bar"); } TEST(file_in_same_dir) { char *t; assert_se(file_in_same_dir("/", "a", &t) == -EADDRNOTAVAIL); assert_se(file_in_same_dir("/", "/a", &t) >= 0); ASSERT_STREQ(t, "/a"); free(t); assert_se(file_in_same_dir("", "a", &t) == -EINVAL); assert_se(file_in_same_dir("a/", "x", &t) >= 0); ASSERT_STREQ(t, "x"); free(t); assert_se(file_in_same_dir("bar/foo", "bar", &t) >= 0); ASSERT_STREQ(t, "bar/bar"); free(t); } static void test_path_find_first_component_one( const char *path, bool accept_dot_dot, char **expected, int ret) { log_debug("/* %s(\"%s\", accept_dot_dot=%s) */", __func__, strnull(path), yes_no(accept_dot_dot)); for (const char *p = path;;) { const char *e; int r; r = path_find_first_component(&p, accept_dot_dot, &e); if (r <= 0) { if (r == 0) { if (path) { assert_se(p == path + strlen_ptr(path)); assert_se(isempty(p)); } else assert_se(!p); assert_se(!e); } assert_se(r == ret); assert_se(strv_isempty(expected)); return; } assert_se(e); assert_se(strcspn(e, "/") == (size_t) r); assert_se(strlen_ptr(*expected) == (size_t) r); assert_se(strneq(e, *expected++, r)); assert_se(p); log_debug("p=%s", p); if (!isempty(*expected)) assert_se(startswith(p, *expected)); else if (ret >= 0) { assert_se(p == path + strlen_ptr(path)); assert_se(isempty(p)); } } } TEST(path_find_first_component) { _cleanup_free_ char *hoge = NULL; char foo[NAME_MAX * 2]; test_path_find_first_component_one(NULL, false, NULL, 0); test_path_find_first_component_one("", false, NULL, 0); test_path_find_first_component_one("/", false, NULL, 0); test_path_find_first_component_one(".", false, NULL, 0); test_path_find_first_component_one("./", false, NULL, 0); test_path_find_first_component_one("./.", false, NULL, 0); test_path_find_first_component_one("..", false, NULL, -EINVAL); test_path_find_first_component_one("/..", false, NULL, -EINVAL); test_path_find_first_component_one("./..", false, NULL, -EINVAL); test_path_find_first_component_one("////./././//.", false, NULL, 0); test_path_find_first_component_one("a/b/c", false, STRV_MAKE("a", "b", "c"), 0); test_path_find_first_component_one("././//.///aa/bbb//./ccc", false, STRV_MAKE("aa", "bbb", "ccc"), 0); test_path_find_first_component_one("././//.///aa/.../../bbb//./ccc/.", false, STRV_MAKE("aa", "..."), -EINVAL); test_path_find_first_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", false, STRV_MAKE("aaa", ".bbb"), -EINVAL); test_path_find_first_component_one("a/foo./b//././/", false, STRV_MAKE("a", "foo.", "b"), 0); test_path_find_first_component_one(NULL, true, NULL, 0); test_path_find_first_component_one("", true, NULL, 0); test_path_find_first_component_one("/", true, NULL, 0); test_path_find_first_component_one(".", true, NULL, 0); test_path_find_first_component_one("./", true, NULL, 0); test_path_find_first_component_one("./.", true, NULL, 0); test_path_find_first_component_one("..", true, STRV_MAKE(".."), 0); test_path_find_first_component_one("/..", true, STRV_MAKE(".."), 0); test_path_find_first_component_one("./..", true, STRV_MAKE(".."), 0); test_path_find_first_component_one("////./././//.", true, NULL, 0); test_path_find_first_component_one("a/b/c", true, STRV_MAKE("a", "b", "c"), 0); test_path_find_first_component_one("././//.///aa/bbb//./ccc", true, STRV_MAKE("aa", "bbb", "ccc"), 0); test_path_find_first_component_one("././//.///aa/.../../bbb//./ccc/.", true, STRV_MAKE("aa", "...", "..", "bbb", "ccc"), 0); test_path_find_first_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", true, STRV_MAKE("aaa", ".bbb", "..", "c.", "d.dd", "..eeee"), 0); test_path_find_first_component_one("a/foo./b//././/", true, STRV_MAKE("a", "foo.", "b"), 0); memset(foo, 'a', sizeof(foo) -1); char_array_0(foo); test_path_find_first_component_one(foo, false, NULL, -EINVAL); test_path_find_first_component_one(foo, true, NULL, -EINVAL); hoge = strjoin("a/b/c/", foo, "//d/e/.//f/"); assert_se(hoge); test_path_find_first_component_one(hoge, false, STRV_MAKE("a", "b", "c"), -EINVAL); test_path_find_first_component_one(hoge, true, STRV_MAKE("a", "b", "c"), -EINVAL); } static void test_path_find_last_component_one( const char *path, bool accept_dot_dot, char **expected, int ret) { log_debug("/* %s(\"%s\", accept_dot_dot=%s) */", __func__, strnull(path), yes_no(accept_dot_dot)); for (const char *next = NULL;;) { const char *e; int r; r = path_find_last_component(path, accept_dot_dot, &next, &e); if (r <= 0) { if (r == 0) { assert_se(next == path); assert_se(!e); } assert_se(r == ret); assert_se(strv_isempty(expected)); return; } assert_se(e); assert_se(strcspn(e, "/") == (size_t) r); assert_se(strlen_ptr(*expected) == (size_t) r); assert_se(strneq(e, *expected++, r)); assert_se(next); log_debug("path=%s\nnext=%s", path, next); if (!isempty(*expected)) { assert_se(next < path + strlen(path)); assert_se(next >= path + strlen(*expected)); assert_se(startswith(next - strlen(*expected), *expected)); } else if (ret >= 0) assert_se(next == path); } } TEST(path_find_last_component) { _cleanup_free_ char *hoge = NULL; char foo[NAME_MAX * 2]; test_path_find_last_component_one(NULL, false, NULL, 0); test_path_find_last_component_one("", false, NULL, 0); test_path_find_last_component_one("/", false, NULL, 0); test_path_find_last_component_one(".", false, NULL, 0); test_path_find_last_component_one("./", false, NULL, 0); test_path_find_last_component_one("./.", false, NULL, 0); test_path_find_last_component_one("..", false, NULL, -EINVAL); test_path_find_last_component_one("/..", false, NULL, -EINVAL); test_path_find_last_component_one("./..", false, NULL, -EINVAL); test_path_find_last_component_one("////./././//.", false, NULL, 0); test_path_find_last_component_one("a/b/c", false, STRV_MAKE("c", "b", "a"), 0); test_path_find_last_component_one("././//.///aa./.bbb//./ccc/././/", false, STRV_MAKE("ccc", ".bbb", "aa."), 0); test_path_find_last_component_one("././//.///aa/../.../bbb//./ccc/.", false, STRV_MAKE("ccc", "bbb", "..."), -EINVAL); test_path_find_last_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", false, STRV_MAKE("..eeee", "d.dd", "c."), -EINVAL); test_path_find_last_component_one(NULL, true, NULL, 0); test_path_find_last_component_one("", true, NULL, 0); test_path_find_last_component_one("/", true, NULL, 0); test_path_find_last_component_one(".", true, NULL, 0); test_path_find_last_component_one("./", true, NULL, 0); test_path_find_last_component_one("./.", true, NULL, 0); test_path_find_last_component_one("..", true, STRV_MAKE(".."), 0); test_path_find_last_component_one("/..", true, STRV_MAKE(".."), 0); test_path_find_last_component_one("./..", true, STRV_MAKE(".."), 0); test_path_find_last_component_one("////./././//.", true, NULL, 0); test_path_find_last_component_one("a/b/c", true, STRV_MAKE("c", "b", "a"), 0); test_path_find_last_component_one("././//.///aa./.bbb//./ccc/././/", true, STRV_MAKE("ccc", ".bbb", "aa."), 0); test_path_find_last_component_one("././//.///aa/../.../bbb//./ccc/.", true, STRV_MAKE("ccc", "bbb", "...", "..", "aa"), 0); test_path_find_last_component_one("//./aaa///.//./.bbb/..///c.//d.dd///..eeee/.", true, STRV_MAKE("..eeee", "d.dd", "c.", "..", ".bbb", "aaa"), 0); memset(foo, 'a', sizeof(foo) -1); char_array_0(foo); test_path_find_last_component_one(foo, false, NULL, -EINVAL); test_path_find_last_component_one(foo, true, NULL, -EINVAL); hoge = strjoin(foo, "/a/b/c/"); assert_se(hoge); test_path_find_last_component_one(hoge, false, STRV_MAKE("c", "b", "a"), -EINVAL); test_path_find_last_component_one(hoge, true, STRV_MAKE("c", "b", "a"), -EINVAL); } TEST(last_path_component) { ASSERT_NULL(last_path_component(NULL)); ASSERT_STREQ(last_path_component("a/b/c"), "c"); ASSERT_STREQ(last_path_component("a/b/c/"), "c/"); ASSERT_STREQ(last_path_component("/"), "/"); ASSERT_STREQ(last_path_component("//"), "/"); ASSERT_STREQ(last_path_component("///"), "/"); ASSERT_STREQ(last_path_component("."), "."); ASSERT_STREQ(last_path_component("./."), "."); ASSERT_STREQ(last_path_component("././"), "./"); ASSERT_STREQ(last_path_component("././/"), ".//"); ASSERT_STREQ(last_path_component("/foo/a"), "a"); ASSERT_STREQ(last_path_component("/foo/a/"), "a/"); ASSERT_STREQ(last_path_component(""), ""); ASSERT_STREQ(last_path_component("a"), "a"); ASSERT_STREQ(last_path_component("a/"), "a/"); ASSERT_STREQ(last_path_component("/a"), "a"); ASSERT_STREQ(last_path_component("/a/"), "a/"); } static void test_path_extract_filename_one(const char *input, const char *output, int ret) { _cleanup_free_ char *k = NULL, *k2 = NULL; int r; r = path_extract_filename(input, &k); log_info("%s → %s/%s [expected: %s/%s]", strnull(input), strnull(k), r < 0 ? STRERROR(r) : "-", strnull(output), ret < 0 ? STRERROR(ret) : "-"); ASSERT_STREQ(k, output); assert_se(r == ret); /* Extra safety check: make sure that path_split_prefix_filename() behaves the same */ r = path_split_prefix_filename(input, NULL, &k2); if (r >= 0) { ASSERT_STREQ(k2, k); assert_se(r == ret); } } TEST(path_extract_filename) { test_path_extract_filename_one(NULL, NULL, -EINVAL); test_path_extract_filename_one("a/b/c", "c", 0); test_path_extract_filename_one("a/b/c/", "c", O_DIRECTORY); test_path_extract_filename_one("/", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one("//", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one("///", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one("/.", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one(".", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one("./", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one("./.", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one("././", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one("././/", NULL, -EADDRNOTAVAIL); test_path_extract_filename_one("/foo/a", "a", 0); test_path_extract_filename_one("/foo/a/", "a", O_DIRECTORY); test_path_extract_filename_one("", NULL, -EINVAL); test_path_extract_filename_one("a", "a", 0); test_path_extract_filename_one("a/", "a", O_DIRECTORY); test_path_extract_filename_one("a/././//.", "a", O_DIRECTORY); test_path_extract_filename_one("/a", "a", 0); test_path_extract_filename_one("/a/", "a", O_DIRECTORY); test_path_extract_filename_one("/a//./.", "a", O_DIRECTORY); test_path_extract_filename_one("/////////////a/////////////", "a", O_DIRECTORY); test_path_extract_filename_one("//./a/.///b./././.c//./d//.", "d", O_DIRECTORY); test_path_extract_filename_one("xx/.", "xx", O_DIRECTORY); test_path_extract_filename_one("xx/..", NULL, -EINVAL); test_path_extract_filename_one("..", NULL, -EINVAL); test_path_extract_filename_one("/..", NULL, -EINVAL); test_path_extract_filename_one("../", NULL, -EINVAL); } static void test_path_extract_directory_one(const char *input, const char *output, int ret) { _cleanup_free_ char *k = NULL, *k2 = NULL; int r; r = path_extract_directory(input, &k); log_info("%s → %s/%s [expected: %s/%s]", strnull(input), strnull(k), r < 0 ? STRERROR(r) : "-", strnull(output), STRERROR(ret)); ASSERT_STREQ(k, output); assert_se(r == ret); /* Extra safety check: make sure that path_split_prefix_filename() behaves the same. * We can’t check the return value from it though as that differs based on the filename component. * We can only assert that if path_extract_directory() fails, then * path_split_prefix_filename() must also fail. */ r = path_split_prefix_filename(input, &k2, NULL); ASSERT_STREQ(k2, k); assert_se(!(ret < 0) || r < 0); /* Extra safety check: let's make sure that if we split out the filename too (and it works) the * joined parts are identical to the original again */ if (r >= 0) { _cleanup_free_ char *f = NULL, *k3 = NULL, *f2 = NULL; r = path_extract_filename(input, &f); if (r >= 0) { _cleanup_free_ char *j = NULL; assert_se(j = path_join(k, f)); assert_se(path_equal(input, j)); } /* And the same, but for path_split_prefix_filename() */ r = path_split_prefix_filename(input, &k3, &f2); if (r >= 0) { ASSERT_STREQ(k3, k); ASSERT_STREQ(f2, f); } } } TEST(path_extract_directory) { test_path_extract_directory_one(NULL, NULL, -EINVAL); test_path_extract_directory_one("a/b/c", "a/b", 0); test_path_extract_directory_one("a/b/c/", "a/b", 0); test_path_extract_directory_one("/", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one("//", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one("///", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one("/.", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one(".", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one("./", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one("./.", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one("././", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one("././/", NULL, -EADDRNOTAVAIL); test_path_extract_directory_one("/foo/a", "/foo", 0); test_path_extract_directory_one("/foo/a/", "/foo", 0); test_path_extract_directory_one("", NULL, -EINVAL); test_path_extract_directory_one("a", NULL, -EDESTADDRREQ); test_path_extract_directory_one("a/", NULL, -EDESTADDRREQ); test_path_extract_directory_one("a/././//.", NULL, -EDESTADDRREQ); test_path_extract_directory_one("/a", "/", 0); test_path_extract_directory_one("/a/", "/", 0); test_path_extract_directory_one("/a//./.", "/", 0); test_path_extract_directory_one("/////////////a/////////////", "/", 0); test_path_extract_directory_one("//./a/.///b./././.c//./d//.", "/a/b./.c", 0); test_path_extract_directory_one("xx/.", NULL, -EDESTADDRREQ); test_path_extract_directory_one("xx/..", NULL, -EINVAL); test_path_extract_directory_one("..", NULL, -EINVAL); test_path_extract_directory_one("/..", NULL, -EINVAL); test_path_extract_directory_one("../", NULL, -EINVAL); } TEST(filename_is_valid) { char foo[NAME_MAX+2]; assert_se(!filename_is_valid("")); assert_se(!filename_is_valid("/bar/foo")); assert_se(!filename_is_valid("/")); assert_se(!filename_is_valid(".")); assert_se(!filename_is_valid("..")); assert_se(!filename_is_valid("bar/foo")); assert_se(!filename_is_valid("bar/foo/")); assert_se(!filename_is_valid("bar//")); memset(foo, 'a', sizeof(foo) - 1); char_array_0(foo); assert_se(!filename_is_valid(foo)); assert_se(filename_is_valid("foo_bar-333")); assert_se(filename_is_valid("o.o")); } static void test_path_is_valid_and_safe_one(const char *p, bool ret) { log_debug("/* %s(\"%s\") */", __func__, strnull(p)); assert_se(path_is_valid(p) == ret); if (ret) ret = !streq(p, "..") && !startswith(p, "../") && !endswith(p, "/..") && !strstr(p, "/../"); assert_se(path_is_safe(p) == ret); } TEST(path_is_valid_and_safe) { char foo[PATH_MAX+2]; const char *c; test_path_is_valid_and_safe_one("", false); test_path_is_valid_and_safe_one("/bar/foo", true); test_path_is_valid_and_safe_one("/bar/foo/", true); test_path_is_valid_and_safe_one("/bar/foo/", true); test_path_is_valid_and_safe_one("//bar//foo//", true); test_path_is_valid_and_safe_one("/", true); test_path_is_valid_and_safe_one("/////", true); test_path_is_valid_and_safe_one("/////.///.////...///..//.", true); test_path_is_valid_and_safe_one(".", true); test_path_is_valid_and_safe_one("..", true); test_path_is_valid_and_safe_one("bar/foo", true); test_path_is_valid_and_safe_one("bar/foo/", true); test_path_is_valid_and_safe_one("bar//", true); memset(foo, 'a', sizeof(foo) -1); char_array_0(foo); test_path_is_valid_and_safe_one(foo, false); c = strjoina("/xxx/", foo, "/yyy"); test_path_is_valid_and_safe_one(c, false); test_path_is_valid_and_safe_one("foo_bar-333", true); test_path_is_valid_and_safe_one("o.o", true); } TEST(hidden_or_backup_file) { assert_se(hidden_or_backup_file(".hidden")); assert_se(hidden_or_backup_file("..hidden")); assert_se(!hidden_or_backup_file("hidden.")); assert_se(hidden_or_backup_file("backup~")); assert_se(hidden_or_backup_file(".backup~")); assert_se(hidden_or_backup_file("lost+found")); assert_se(hidden_or_backup_file("aquota.user")); assert_se(hidden_or_backup_file("aquota.group")); assert_se(hidden_or_backup_file("test.ignore")); assert_se(hidden_or_backup_file("test.rpmnew")); assert_se(hidden_or_backup_file("test.dpkg-old")); assert_se(hidden_or_backup_file("test.dpkg-remove")); assert_se(hidden_or_backup_file("test.swp")); assert_se(!hidden_or_backup_file("test.rpmnew.")); assert_se(!hidden_or_backup_file("test.dpkg-old.foo")); } TEST(skip_dev_prefix) { ASSERT_STREQ(skip_dev_prefix("/"), "/"); ASSERT_STREQ(skip_dev_prefix("/dev"), ""); ASSERT_STREQ(skip_dev_prefix("/dev/"), ""); ASSERT_STREQ(skip_dev_prefix("/dev/foo"), "foo"); ASSERT_STREQ(skip_dev_prefix("/dev/foo/bar"), "foo/bar"); ASSERT_STREQ(skip_dev_prefix("//dev"), ""); ASSERT_STREQ(skip_dev_prefix("//dev//"), ""); ASSERT_STREQ(skip_dev_prefix("/dev///foo"), "foo"); ASSERT_STREQ(skip_dev_prefix("///dev///foo///bar"), "foo///bar"); ASSERT_STREQ(skip_dev_prefix("//foo"), "//foo"); ASSERT_STREQ(skip_dev_prefix("foo"), "foo"); } TEST(empty_or_root) { assert_se(empty_or_root(NULL)); assert_se(empty_or_root("")); assert_se(empty_or_root("/")); assert_se(empty_or_root("//")); assert_se(empty_or_root("///")); assert_se(empty_or_root("/////////////////")); assert_se(!empty_or_root("xxx")); assert_se(!empty_or_root("/xxx")); assert_se(!empty_or_root("/xxx/")); assert_se(!empty_or_root("//yy//")); } TEST(empty_or_root_harder_to_null) { const char *p; p = NULL; ASSERT_OK(empty_or_root_harder_to_null(&p)); ASSERT_NULL(p); p = "/"; ASSERT_OK(empty_or_root_harder_to_null(&p)); ASSERT_NULL(p); p = "////////"; ASSERT_OK(empty_or_root_harder_to_null(&p)); ASSERT_NULL(p); p = "/../../././//"; ASSERT_OK(empty_or_root_harder_to_null(&p)); ASSERT_NULL(p); p = "/usr"; ASSERT_OK(empty_or_root_harder_to_null(&p)); ASSERT_STREQ(p, "/usr"); p = "/usr/../../../"; ASSERT_OK(empty_or_root_harder_to_null(&p)); ASSERT_NULL(p); p = "/usr/"; ASSERT_OK(empty_or_root_harder_to_null(&p)); ASSERT_STREQ(p, "/usr/"); p = "///././/../../usr////"; ASSERT_OK(empty_or_root_harder_to_null(&p)); ASSERT_STREQ(p, "///././/../../usr////"); } TEST(path_startswith_set) { ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/bar", "/zzz"), ""); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/", "/zzz"), "bar"); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo", "/zzz"), "bar"); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/", "/zzz"), "foo/bar"); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "", "/zzz"), NULL); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/bar", "/zzz"), NULL); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/", "/zzz"), "bar2"); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo", "/zzz"), "bar2"); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/", "/zzz"), "foo/bar2"); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "", "/zzz"), NULL); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/bar", "/zzz"), NULL); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/", "/zzz"), NULL); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo", "/zzz"), NULL); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/", "/zzz"), "foo2/bar"); ASSERT_STREQ(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "", "/zzz"), NULL); } TEST(path_startswith_strv) { ASSERT_STREQ(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), ""); ASSERT_STREQ(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar"); ASSERT_STREQ(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar"); ASSERT_STREQ(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar"); ASSERT_STREQ(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL); ASSERT_STREQ(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL); ASSERT_STREQ(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar2"); ASSERT_STREQ(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar2"); ASSERT_STREQ(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar2"); ASSERT_STREQ(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "", "/zzz")), NULL); ASSERT_STREQ(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL); ASSERT_STREQ(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), NULL); ASSERT_STREQ(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), NULL); ASSERT_STREQ(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo2/bar"); ASSERT_STREQ(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL); } static void test_path_glob_can_match_one(const char *pattern, const char *prefix, const char *expected) { _cleanup_free_ char *result = NULL; log_debug("%s(%s, %s, %s)", __func__, pattern, prefix, strnull(expected)); assert_se(path_glob_can_match(pattern, prefix, &result) == !!expected); ASSERT_STREQ(result, expected); } TEST(path_glob_can_match) { test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge/aaa/bbb", NULL); test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge/aaa", "/foo/hoge/aaa"); test_path_glob_can_match_one("/foo/hoge/aaa", "/foo/hoge", "/foo/hoge/aaa"); test_path_glob_can_match_one("/foo/hoge/aaa", "/foo", "/foo/hoge/aaa"); test_path_glob_can_match_one("/foo/hoge/aaa", "/", "/foo/hoge/aaa"); test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge/aaa/bbb", NULL); test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge/aaa", "/foo/hoge/aaa"); test_path_glob_can_match_one("/foo/*/aaa", "/foo/hoge", "/foo/hoge/aaa"); test_path_glob_can_match_one("/foo/*/aaa", "/foo", "/foo/*/aaa"); test_path_glob_can_match_one("/foo/*/aaa", "/", "/foo/*/aaa"); test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy/aaa/bbb", NULL); test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy/aaa", "/foo/xxx/yyy/aaa"); test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx/yyy", "/foo/xxx/yyy/aaa"); test_path_glob_can_match_one("/foo/*/*/aaa", "/foo/xxx", "/foo/xxx/*/aaa"); test_path_glob_can_match_one("/foo/*/*/aaa", "/foo", "/foo/*/*/aaa"); test_path_glob_can_match_one("/foo/*/*/aaa", "/", "/foo/*/*/aaa"); test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa/bbb/ccc", NULL); test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa/bbb", "/foo/xxx/aaa/bbb"); test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/ccc", NULL); test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx/aaa", "/foo/xxx/aaa/*"); test_path_glob_can_match_one("/foo/*/aaa/*", "/foo/xxx", "/foo/xxx/aaa/*"); test_path_glob_can_match_one("/foo/*/aaa/*", "/foo", "/foo/*/aaa/*"); test_path_glob_can_match_one("/foo/*/aaa/*", "/", "/foo/*/aaa/*"); } TEST(print_MAX) { log_info("PATH_MAX=%zu\n" "FILENAME_MAX=%zu\n" "NAME_MAX=%zu", (size_t) PATH_MAX, (size_t) FILENAME_MAX, (size_t) NAME_MAX); assert_cc(FILENAME_MAX == PATH_MAX); } TEST(path_implies_directory) { assert_se(!path_implies_directory(NULL)); assert_se(!path_implies_directory("")); assert_se(path_implies_directory("/")); assert_se(path_implies_directory("////")); assert_se(path_implies_directory("////.///")); assert_se(path_implies_directory("////./")); assert_se(path_implies_directory("////.")); assert_se(path_implies_directory(".")); assert_se(path_implies_directory("./")); assert_se(path_implies_directory("/.")); assert_se(path_implies_directory("..")); assert_se(path_implies_directory("../")); assert_se(path_implies_directory("/..")); assert_se(!path_implies_directory("a")); assert_se(!path_implies_directory("ab")); assert_se(path_implies_directory("ab/")); assert_se(!path_implies_directory("ab/a")); assert_se(path_implies_directory("ab/a/")); assert_se(path_implies_directory("ab/a/..")); assert_se(path_implies_directory("ab/a/.")); assert_se(path_implies_directory("ab/a//")); } DEFINE_TEST_MAIN(LOG_DEBUG);