From b53f89d56a5b7528735ddf335f8b47ab3e1a947a Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Fri, 19 Oct 2018 11:31:37 +0200 Subject: [PATCH] test: add test case for recursive chown()ing [msekleta: I removed call to log_test_skipped() and replaced it with older construct log_info() + return EXIT_TEST_SKIP] (cherry-picked from commit cb9e44db36caefcbb8ee7a12e14217305ed69ff2) Related: #1643368 --- src/test/meson.build | 5 ++ src/test/test-chown-rec.c | 162 ++++++++++++++++++++++++++++++++++++++ 2 files changed, 167 insertions(+) create mode 100644 src/test/test-chown-rec.c diff --git a/src/test/meson.build b/src/test/meson.build index 7da7e3a22c..b982251b1f 100644 --- a/src/test/meson.build +++ b/src/test/meson.build @@ -60,6 +60,11 @@ tests += [ libmount, libblkid]], + [['src/test/test-chown-rec.c'], + [libcore, + libshared], + []], + [['src/test/test-job-type.c'], [libcore, libshared], diff --git a/src/test/test-chown-rec.c b/src/test/test-chown-rec.c new file mode 100644 index 0000000000..f16d4d4ba2 --- /dev/null +++ b/src/test/test-chown-rec.c @@ -0,0 +1,162 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include + +#include "alloc-util.h" +#include "chown-recursive.h" +#include "fileio.h" +#include "log.h" +#include "rm-rf.h" +#include "string-util.h" +#include "tests.h" + +static const uint8_t acl[] = { + 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x07, 0x00, + 0xff, 0xff, 0xff, 0xff, 0x02, 0x00, 0x07, 0x00, + 0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x07, 0x00, + 0xff, 0xff, 0xff, 0xff, 0x10, 0x00, 0x07, 0x00, + 0xff, 0xff, 0xff, 0xff, 0x20, 0x00, 0x05, 0x00, + 0xff, 0xff, 0xff, 0xff, +}; + +static const uint8_t default_acl[] = { + 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x07, 0x00, + 0xff, 0xff, 0xff, 0xff, 0x04, 0x00, 0x07, 0x00, + 0xff, 0xff, 0xff, 0xff, 0x08, 0x00, 0x07, 0x00, + 0x04, 0x00, 0x00, 0x00, 0x10, 0x00, 0x07, 0x00, + 0xff, 0xff, 0xff, 0xff, 0x20, 0x00, 0x05, 0x00, + 0xff, 0xff, 0xff, 0xff, +}; + +static bool has_xattr(const char *p) { + char buffer[sizeof(acl) * 4]; + + if (lgetxattr(p, "system.posix_acl_access", buffer, sizeof(buffer)) < 0) { + if (IN_SET(errno, EOPNOTSUPP, ENOTTY, ENODATA, ENOSYS)) + return false; + } + + return true; +} + +static void test_chown_recursive(void) { + _cleanup_(rm_rf_physical_and_freep) char *t = NULL; + struct stat st; + const char *p; + + umask(022); + assert_se(mkdtemp_malloc(NULL, &t) >= 0); + + p = strjoina(t, "/dir"); + assert_se(mkdir(p, 0777) >= 0); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISDIR(st.st_mode)); + assert_se((st.st_mode & 07777) == 0755); + assert_se(st.st_uid == 0); + assert_se(st.st_gid == 0); + assert_se(!has_xattr(p)); + + p = strjoina(t, "/dir/symlink"); + assert_se(symlink("../../", p) >= 0); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISLNK(st.st_mode)); + assert_se((st.st_mode & 07777) == 0777); + assert_se(st.st_uid == 0); + assert_se(st.st_gid == 0); + assert_se(!has_xattr(p)); + + p = strjoina(t, "/dir/reg"); + assert_se(mknod(p, S_IFREG|0777, 0) >= 0); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISREG(st.st_mode)); + assert_se((st.st_mode & 07777) == 0755); + assert_se(st.st_uid == 0); + assert_se(st.st_gid == 0); + assert_se(!has_xattr(p)); + + p = strjoina(t, "/dir/sock"); + assert_se(mknod(p, S_IFSOCK|0777, 0) >= 0); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISSOCK(st.st_mode)); + assert_se((st.st_mode & 07777) == 0755); + assert_se(st.st_uid == 0); + assert_se(st.st_gid == 0); + assert_se(!has_xattr(p)); + + p = strjoina(t, "/dir/fifo"); + assert_se(mknod(p, S_IFIFO|0777, 0) >= 0); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISFIFO(st.st_mode)); + assert_se((st.st_mode & 07777) == 0755); + assert_se(st.st_uid == 0); + assert_se(st.st_gid == 0); + assert_se(!has_xattr(p)); + + /* We now apply an xattr to the dir, and check it again */ + p = strjoina(t, "/dir"); + assert_se(setxattr(p, "system.posix_acl_access", acl, sizeof(acl), 0) >= 0); + assert_se(setxattr(p, "system.posix_acl_default", default_acl, sizeof(default_acl), 0) >= 0); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISDIR(st.st_mode)); + assert_se((st.st_mode & 07777) == 0775); /* acl change changed the mode too */ + assert_se(st.st_uid == 0); + assert_se(st.st_gid == 0); + assert_se(has_xattr(p)); + + assert_se(path_chown_recursive(t, 1, 2) >= 0); + + p = strjoina(t, "/dir"); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISDIR(st.st_mode)); + assert_se((st.st_mode & 07777) == 0775); + assert_se(st.st_uid == 1); + assert_se(st.st_gid == 2); + assert_se(!has_xattr(p)); + + p = strjoina(t, "/dir/symlink"); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISLNK(st.st_mode)); + assert_se((st.st_mode & 07777) == 0777); + assert_se(st.st_uid == 1); + assert_se(st.st_gid == 2); + assert_se(!has_xattr(p)); + + p = strjoina(t, "/dir/reg"); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISREG(st.st_mode)); + assert_se((st.st_mode & 07777) == 0755); + assert_se(st.st_uid == 1); + assert_se(st.st_gid == 2); + assert_se(!has_xattr(p)); + + p = strjoina(t, "/dir/sock"); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISSOCK(st.st_mode)); + assert_se((st.st_mode & 07777) == 0755); + assert_se(st.st_uid == 1); + assert_se(st.st_gid == 2); + assert_se(!has_xattr(p)); + + p = strjoina(t, "/dir/fifo"); + assert_se(lstat(p, &st) >= 0); + assert_se(S_ISFIFO(st.st_mode)); + assert_se((st.st_mode & 07777) == 0755); + assert_se(st.st_uid == 1); + assert_se(st.st_gid == 2); + assert_se(!has_xattr(p)); +} + +int main(int argc, char *argv[]) { + log_set_max_level(LOG_DEBUG); + log_parse_environment(); + log_open(); + + if (geteuid() != 0) { + log_info("not running as root"); + return EXIT_TEST_SKIP; + } + + test_chown_recursive(); + + return EXIT_SUCCESS; +}