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author | Michael Biebl <biebl@debian.org> | 2018-12-21 22:06:22 +0100 |
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committer | Michael Biebl <biebl@debian.org> | 2018-12-21 22:06:22 +0100 |
commit | 6e866b331d7cd4a5e0759dd160dea6edabd3678e (patch) | |
tree | 4d24c1ffe4ae946f04d8910956090e8d13aecd9a /src/test/test-stat-util.c | |
parent | b012e92123bdc9fa10c2f079ec5bd9313b23e21a (diff) | |
download | systemd-6e866b331d7cd4a5e0759dd160dea6edabd3678e.tar.gz |
New upstream version 240
Diffstat (limited to 'src/test/test-stat-util.c')
-rw-r--r-- | src/test/test-stat-util.c | 95 |
1 files changed, 93 insertions, 2 deletions
diff --git a/src/test/test-stat-util.c b/src/test/test-stat-util.c index 43f56a6c20..d16fdd90d1 100644 --- a/src/test/test-stat-util.c +++ b/src/test/test-stat-util.c @@ -6,11 +6,12 @@ #include "alloc-util.h" #include "fd-util.h" -#include "fileio.h" #include "macro.h" #include "missing.h" -#include "mount-util.h" +#include "mountpoint-util.h" +#include "path-util.h" #include "stat-util.h" +#include "tmpfile-util.h" static void test_files_same(void) { _cleanup_close_ int fd = -1; @@ -67,11 +68,101 @@ static void test_path_is_temporary_fs(void) { assert_se(path_is_temporary_fs("/i-dont-exist") == -ENOENT); } +static void test_fd_is_network_ns(void) { + _cleanup_close_ int fd = -1; + assert_se(fd_is_network_ns(STDIN_FILENO) == 0); + assert_se(fd_is_network_ns(STDERR_FILENO) == 0); + assert_se(fd_is_network_ns(STDOUT_FILENO) == 0); + + assert_se((fd = open("/proc/self/ns/mnt", O_CLOEXEC|O_RDONLY)) >= 0); + assert_se(IN_SET(fd_is_network_ns(fd), 0, -EUCLEAN)); + fd = safe_close(fd); + + assert_se((fd = open("/proc/self/ns/net", O_CLOEXEC|O_RDONLY)) >= 0); + assert_se(IN_SET(fd_is_network_ns(fd), 1, -EUCLEAN)); +} + +static void test_device_major_minor_valid(void) { + /* on glibc dev_t is 64bit, even though in the kernel it is only 32bit */ + assert_cc(sizeof(dev_t) == sizeof(uint64_t)); + + assert_se(DEVICE_MAJOR_VALID(0U)); + assert_se(DEVICE_MINOR_VALID(0U)); + + assert_se(DEVICE_MAJOR_VALID(1U)); + assert_se(DEVICE_MINOR_VALID(1U)); + + assert_se(!DEVICE_MAJOR_VALID(-1U)); + assert_se(!DEVICE_MINOR_VALID(-1U)); + + assert_se(DEVICE_MAJOR_VALID(1U << 10)); + assert_se(DEVICE_MINOR_VALID(1U << 10)); + + assert_se(DEVICE_MAJOR_VALID((1U << 12) - 1)); + assert_se(DEVICE_MINOR_VALID((1U << 20) - 1)); + + assert_se(!DEVICE_MAJOR_VALID((1U << 12))); + assert_se(!DEVICE_MINOR_VALID((1U << 20))); + + assert_se(!DEVICE_MAJOR_VALID(1U << 25)); + assert_se(!DEVICE_MINOR_VALID(1U << 25)); + + assert_se(!DEVICE_MAJOR_VALID(UINT32_MAX)); + assert_se(!DEVICE_MINOR_VALID(UINT32_MAX)); + + assert_se(!DEVICE_MAJOR_VALID(UINT64_MAX)); + assert_se(!DEVICE_MINOR_VALID(UINT64_MAX)); + + assert_se(DEVICE_MAJOR_VALID(major(0))); + assert_se(DEVICE_MINOR_VALID(minor(0))); +} + +static void test_device_path_make_canonical_one(const char *path) { + _cleanup_free_ char *resolved = NULL, *raw = NULL; + struct stat st; + dev_t devno; + mode_t mode; + int r; + + assert_se(stat(path, &st) >= 0); + r = device_path_make_canonical(st.st_mode, st.st_rdev, &resolved); + if (r == -ENOENT) /* maybe /dev/char/x:y and /dev/block/x:y are missing in this test environment, because we + * run in a container or so? */ + return; + + assert_se(r >= 0); + assert_se(path_equal(path, resolved)); + + assert_se(device_path_make_major_minor(st.st_mode, st.st_rdev, &raw) >= 0); + assert_se(device_path_parse_major_minor(raw, &mode, &devno) >= 0); + + assert_se(st.st_rdev == devno); + assert_se((st.st_mode & S_IFMT) == (mode & S_IFMT)); +} + +static void test_device_path_make_canonical(void) { + + test_device_path_make_canonical_one("/dev/null"); + test_device_path_make_canonical_one("/dev/zero"); + test_device_path_make_canonical_one("/dev/full"); + test_device_path_make_canonical_one("/dev/random"); + test_device_path_make_canonical_one("/dev/urandom"); + test_device_path_make_canonical_one("/dev/tty"); + + if (is_device_node("/run/systemd/inaccessible/chr") > 0) { + test_device_path_make_canonical_one("/run/systemd/inaccessible/chr"); + test_device_path_make_canonical_one("/run/systemd/inaccessible/blk"); + } +} + int main(int argc, char *argv[]) { test_files_same(); test_is_symlink(); test_path_is_fs_type(); test_path_is_temporary_fs(); + test_fd_is_network_ns(); + test_device_major_minor_valid(); + test_device_path_make_canonical(); return 0; } |