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Diffstat (limited to 'src/test/test-path-util.c')
| -rw-r--r-- | src/test/test-path-util.c | 1308 |
1 files changed, 1308 insertions, 0 deletions
diff --git a/src/test/test-path-util.c b/src/test/test-path-util.c new file mode 100644 index 0000000..f5a4256 --- /dev/null +++ b/src/test/test-path-util.c @@ -0,0 +1,1308 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <stdio.h> +#include <unistd.h> + +#include "alloc-util.h" +#include "exec-util.h" +#include "fd-util.h" +#include "fs-util.h" +#include "macro.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_PATH=%s", DEFAULT_PATH); + log_info("DEFAULT_USER_PATH=%s", DEFAULT_USER_PATH); +} + +TEST(path) { + assert_se(path_is_absolute("/")); + assert_se(!path_is_absolute("./")); + + assert_se(streq(basename("./aa/bb/../file.da."), "file.da.")); + assert_se(streq(basename("/aa///.file"), ".file")); + assert_se(streq(basename("/aa///file..."), "file...")); + assert_se(streq(basename("file.../"), "")); + + 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_ptr(NULL, NULL)); + assert_se(path_equal_ptr("/a", "/a")); + assert_se(!path_equal_ptr("/a", "/b")); + assert_se(!path_equal_ptr("/a", NULL)); + assert_se(!path_equal_ptr(NULL, "/a")); +} + +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_se(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; + char* test_file_name; + _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_se(streq(basename(p), "sh")); + free(p); + + assert_se(find_executable_full("sh", NULL, NULL, false, &p, NULL) == 0); + puts(p); + assert_se(streq(basename(p), "sh")); + free(p); + + _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_se(streq(basename(p), "sh")); + free(p); + + assert_se(find_executable_full("sh", NULL, NULL, false, &p, NULL) == 0); + puts(p); + assert_se(streq(basename(p), "sh")); + free(p); + + if (oldpath) + assert_se(setenv("PATH", oldpath, true) >= 0); + + assert_se((fd = mkostemp_safe(fn)) >= 0); + assert_se(fchmod(fd, 0755) >= 0); + + test_file_name = basename(fn); + + assert_se(find_executable_full(test_file_name, NULL, STRV_MAKE("/doesnotexist", "/tmp", "/bin"), false, &p, NULL) == 0); + puts(p); + assert_se(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; + + 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_se(streq(p, "/bin/touch")); + free(p); + + assert_se(find_executable("touch", &p) == 0); + assert_se(path_is_absolute(p)); + assert_se(streq(basename(p), "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; + pid_t pid; + 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_se(streq(t, path)); + + pid = fork(); + assert_se(pid >= 0); + if (pid == 0) { + r = fexecve_or_execve(fd, t, STRV_MAKE(t, "--version"), STRV_MAKE(NULL)); + log_error_errno(r, "[f]execve: %m"); + _exit(EXIT_FAILURE); + } + + assert_se(wait_for_terminate_and_check(t, pid, WAIT_LOG) == 0); +} + +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_se(streq(s, values[i++])); + } + assert_se(values[i] == NULL); + + i = 1; + PATH_FOREACH_PREFIX(s, "/a/b/c/d") { + log_error("---%s---", s); + assert_se(streq(s, values[i++])); + } + assert_se(values[i] == NULL); + + i = 0; + PATH_FOREACH_PREFIX_MORE(s, "////a////b////c///d///////") + assert_se(streq(s, values[i++])); + assert_se(values[i] == NULL); + + i = 1; + PATH_FOREACH_PREFIX(s, "////a////b////c///d///////") + assert_se(streq(s, values[i++])); + assert_se(values[i] == NULL); + + PATH_FOREACH_PREFIX(s, "////") + assert_not_reached(); + + b = false; + PATH_FOREACH_PREFIX_MORE(s, "////") { + assert_se(!b); + assert_se(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_se(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_se(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_se(streq(p, "foo/bar/baz")); + + assert_se(path_extend(&p, "foo", "bar", "baz") == p); + assert_se(streq(p, "foo/bar/baz/foo/bar/baz")); + + p = mfree(p); + assert_se(path_extend(&p, "foo") == p); + assert_se(streq(p, "foo")); + + assert_se(path_extend(&p, "/foo") == p); + assert_se(streq(p, "foo/foo")); + assert_se(path_extend(&p, "/waaaah/wahhh//") == p); + assert_se(streq(p, "foo/foo/waaaah/wahhh//")); /* path_extend() does not drop redundant slashes */ + assert_se(path_extend(&p, "/aaa/bbb/") == p); + assert_se(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_se(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_se(streq_ptr(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_se(streq_ptr(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_se(mkdtemp(tmp_dir) != NULL); + + 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_se(streq(search_dirs[0], "/dir1")); + assert_se(streq(search_dirs[1], "/dir2")); + assert_se(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_se(streq_ptr(p, expected)); + if (p) { + q = strjoina(skipped, p); + assert_se(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); +} + +static void test_prefix_root_one(const char *r, const char *p, const char *expected) { + _cleanup_free_ char *s = NULL; + const char *t; + + assert_se(s = path_join(r, p)); + assert_se(path_equal_ptr(s, expected)); + + t = prefix_roota(r, p); + assert_se(t); + assert_se(path_equal_ptr(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_se(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_se(streq(t, "x")); + free(t); + + assert_se(file_in_same_dir("bar/foo", "bar", &t) >= 0); + assert_se(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_se(last_path_component(NULL) == NULL); + assert_se(streq(last_path_component("a/b/c"), "c")); + assert_se(streq(last_path_component("a/b/c/"), "c/")); + assert_se(streq(last_path_component("/"), "/")); + assert_se(streq(last_path_component("//"), "/")); + assert_se(streq(last_path_component("///"), "/")); + assert_se(streq(last_path_component("."), ".")); + assert_se(streq(last_path_component("./."), ".")); + assert_se(streq(last_path_component("././"), "./")); + assert_se(streq(last_path_component("././/"), ".//")); + assert_se(streq(last_path_component("/foo/a"), "a")); + assert_se(streq(last_path_component("/foo/a/"), "a/")); + assert_se(streq(last_path_component(""), "")); + assert_se(streq(last_path_component("a"), "a")); + assert_se(streq(last_path_component("a/"), "a/")); + assert_se(streq(last_path_component("/a"), "a")); + assert_se(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; + 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_se(streq_ptr(k, output)); + 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; + 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_se(streq_ptr(k, output)); + assert_se(r == ret); + + /* 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; + + 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)); + } + } +} + +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.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_se(streq(skip_dev_prefix("/"), "/")); + assert_se(streq(skip_dev_prefix("/dev"), "")); + assert_se(streq(skip_dev_prefix("/dev/"), "")); + assert_se(streq(skip_dev_prefix("/dev/foo"), "foo")); + assert_se(streq(skip_dev_prefix("/dev/foo/bar"), "foo/bar")); + assert_se(streq(skip_dev_prefix("//dev"), "")); + assert_se(streq(skip_dev_prefix("//dev//"), "")); + assert_se(streq(skip_dev_prefix("/dev///foo"), "foo")); + assert_se(streq(skip_dev_prefix("///dev///foo///bar"), "foo///bar")); + assert_se(streq(skip_dev_prefix("//foo"), "//foo")); + assert_se(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(path_startswith_set) { + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/bar", "/zzz"), "")); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo/", "/zzz"), "bar")); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/foo", "/zzz"), "bar")); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "/", "/zzz"), "foo/bar")); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar", "/foo/quux", "", "/zzz"), NULL)); + + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/bar", "/zzz"), NULL)); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo/", "/zzz"), "bar2")); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/foo", "/zzz"), "bar2")); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "/", "/zzz"), "foo/bar2")); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo/bar2", "/foo/quux", "", "/zzz"), NULL)); + + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/bar", "/zzz"), NULL)); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo/", "/zzz"), NULL)); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/foo", "/zzz"), NULL)); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "/", "/zzz"), "foo2/bar")); + assert_se(streq_ptr(PATH_STARTSWITH_SET("/foo2/bar", "/foo/quux", "", "/zzz"), NULL)); +} + +TEST(path_startswith_strv) { + assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), "")); + assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar")); + assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar")); + assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar")); + assert_se(streq_ptr(path_startswith_strv("/foo/bar", STRV_MAKE("/foo/quux", "", "/zzz")), NULL)); + + assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL)); + assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), "bar2")); + assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/foo", "/zzz")), "bar2")); + assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo/bar2")); + assert_se(streq_ptr(path_startswith_strv("/foo/bar2", STRV_MAKE("/foo/quux", "", "/zzz")), NULL)); + + assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/bar", "/zzz")), NULL)); + assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo/", "/zzz")), NULL)); + assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/foo", "/zzz")), NULL)); + assert_se(streq_ptr(path_startswith_strv("/foo2/bar", STRV_MAKE("/foo/quux", "/", "/zzz")), "foo2/bar")); + assert_se(streq_ptr(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_se(streq_ptr(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); +} + +DEFINE_TEST_MAIN(LOG_DEBUG); |