int main(int argc, char** argv) {
_cleanup_free_ char *cmd = NULL, *cmd2 = NULL, *ans = NULL, *ans2 = NULL, *d = NULL, *tmp = NULL, *line = NULL;
_cleanup_close_ int fd = -1, fd2 = -1;
const char *p = argv[1] ?: "/tmp";
char *pattern;
log_set_max_level(LOG_DEBUG);
log_parse_environment();
pattern = strjoina(p, "/systemd-test-XXXXXX");
fd = open_tmpfile_unlinkable(p, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
assert_se(asprintf(&cmd, "ls -l /proc/"PID_FMT"/fd/%d", getpid_cached(), fd) > 0);
(void) system(cmd);
assert_se(readlink_malloc(cmd + 6, &ans) >= 0);
log_debug("link1: %s", ans);
assert_se(endswith(ans, " (deleted)"));
fd2 = mkostemp_safe(pattern);
assert_se(fd >= 0);
assert_se(unlink(pattern) == 0);
assert_se(asprintf(&cmd2, "ls -l /proc/"PID_FMT"/fd/%d", getpid_cached(), fd2) > 0);
(void) system(cmd2);
assert_se(readlink_malloc(cmd2 + 6, &ans2) >= 0);
log_debug("link2: %s", ans2);
assert_se(endswith(ans2, " (deleted)"));
pattern = strjoina(p, "/tmpfiles-test");
assert_se(tempfn_random(pattern, NULL, &d) >= 0);
fd = open_tmpfile_linkable(d, O_RDWR|O_CLOEXEC, &tmp);
assert_se(fd >= 0);
assert_se(write(fd, "foobar\n", 7) == 7);
assert_se(touch(d) >= 0);
assert_se(link_tmpfile(fd, tmp, d) == -EEXIST);
assert_se(unlink(d) >= 0);
assert_se(link_tmpfile(fd, tmp, d) >= 0);
assert_se(read_one_line_file(d, &line) >= 0);
assert_se(streq(line, "foobar"));
assert_se(unlink(d) >= 0);
return 0;
}
_public_ int sd_journal_sendv(const struct iovec *iov, int n) {
PROTECT_ERRNO;
int fd, r;
_cleanup_close_ int buffer_fd = -1;
struct iovec *w;
uint64_t *l;
int i, j = 0;
static const union sockaddr_union sa = {
.un.sun_family = AF_UNIX,
.un.sun_path = "/run/systemd/journal/socket",
};
struct msghdr mh = {
.msg_name = (struct sockaddr*) &sa.sa,
.msg_namelen = SOCKADDR_UN_LEN(sa.un),
};
ssize_t k;
bool have_syslog_identifier = false;
bool seal = true;
assert_return(iov, -EINVAL);
assert_return(n > 0, -EINVAL);
w = newa(struct iovec, n * 5 + 3);
l = newa(uint64_t, n);
for (i = 0; i < n; i++) {
char *c, *nl;
if (_unlikely_(!iov[i].iov_base || iov[i].iov_len <= 1))
return -EINVAL;
c = memchr(iov[i].iov_base, '=', iov[i].iov_len);
if (_unlikely_(!c || c == iov[i].iov_base))
return -EINVAL;
have_syslog_identifier = have_syslog_identifier ||
(c == (char *) iov[i].iov_base + 17 &&
startswith(iov[i].iov_base, "SYSLOG_IDENTIFIER"));
nl = memchr(iov[i].iov_base, '\n', iov[i].iov_len);
if (nl) {
if (_unlikely_(nl < c))
return -EINVAL;
/* Already includes a newline? Bummer, then
* let's write the variable name, then a
* newline, then the size (64bit LE), followed
* by the data and a final newline */
w[j].iov_base = iov[i].iov_base;
w[j].iov_len = c - (char*) iov[i].iov_base;
j++;
IOVEC_SET_STRING(w[j++], "\n");
l[i] = htole64(iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1);
w[j].iov_base = &l[i];
w[j].iov_len = sizeof(uint64_t);
j++;
w[j].iov_base = c + 1;
w[j].iov_len = iov[i].iov_len - (c - (char*) iov[i].iov_base) - 1;
j++;
} else
/* Nothing special? Then just add the line and
* append a newline */
w[j++] = iov[i];
IOVEC_SET_STRING(w[j++], "\n");
}
if (!have_syslog_identifier &&
string_is_safe(program_invocation_short_name)) {
/* Implicitly add program_invocation_short_name, if it
* is not set explicitly. We only do this for
* program_invocation_short_name, and nothing else
* since everything else is much nicer to retrieve
* from the outside. */
IOVEC_SET_STRING(w[j++], "SYSLOG_IDENTIFIER=");
IOVEC_SET_STRING(w[j++], program_invocation_short_name);
IOVEC_SET_STRING(w[j++], "\n");
}
fd = journal_fd();
if (_unlikely_(fd < 0))
return fd;
mh.msg_iov = w;
mh.msg_iovlen = j;
k = sendmsg(fd, &mh, MSG_NOSIGNAL);
if (k >= 0)
return 0;
/* Fail silently if the journal is not available */
if (errno == ENOENT)
return 0;
if (errno != EMSGSIZE && errno != ENOBUFS)
return -errno;
/* Message doesn't fit... Let's dump the data in a memfd or
* temporary file and just pass a file descriptor of it to the
* other side.
*
* For the temporary files we use /dev/shm instead of /tmp
* here, since we want this to be a tmpfs, and one that is
* available from early boot on and where unprivileged users
* can create files. */
buffer_fd = memfd_new(NULL);
if (buffer_fd < 0) {
if (buffer_fd == -ENOSYS) {
buffer_fd = open_tmpfile_unlinkable("/dev/shm", O_RDWR | O_CLOEXEC);
if (buffer_fd < 0)
return buffer_fd;
seal = false;
} else
return buffer_fd;
}
n = writev(buffer_fd, w, j);
if (n < 0)
return -errno;
if (seal) {
r = memfd_set_sealed(buffer_fd);
if (r < 0)
return r;
}
r = send_one_fd_sa(fd, buffer_fd, mh.msg_name, mh.msg_namelen, 0);
if (r == -ENOENT)
/* Fail silently if the journal is not available */
return 0;
return r;
}
static int fill_iovec_perror_and_send(const char *message, int skip, struct iovec iov[]) {
PROTECT_ERRNO;
size_t n, k;
k = isempty(message) ? 0 : strlen(message) + 2;
n = 8 + k + 256 + 1;
for (;;) {
char buffer[n];
char* j;
errno = 0;
j = strerror_r(_saved_errno_, buffer + 8 + k, n - 8 - k);
if (errno == 0) {
char error[sizeof("ERRNO=")-1 + DECIMAL_STR_MAX(int) + 1];
if (j != buffer + 8 + k)
memmove(buffer + 8 + k, j, strlen(j)+1);
memcpy(buffer, "MESSAGE=", 8);
if (k > 0) {
memcpy(buffer + 8, message, k - 2);
memcpy(buffer + 8 + k - 2, ": ", 2);
}
xsprintf(error, "ERRNO=%i", _saved_errno_);
assert_cc(3 == LOG_ERR);
IOVEC_SET_STRING(iov[skip+0], "PRIORITY=3");
IOVEC_SET_STRING(iov[skip+1], buffer);
IOVEC_SET_STRING(iov[skip+2], error);
return sd_journal_sendv(iov, skip + 3);
}
if (errno != ERANGE)
return -errno;
n *= 2;
}
}
_public_ int sd_journal_perror(const char *message) {
struct iovec iovec[3];
return fill_iovec_perror_and_send(message, 0, iovec);
}
_public_ int sd_journal_stream_fd(const char *identifier, int priority, int level_prefix) {
static const union sockaddr_union sa = {
.un.sun_family = AF_UNIX,
.un.sun_path = "/run/systemd/journal/stdout",
};
_cleanup_close_ int fd = -1;
char *header;
size_t l;
int r;
assert_return(priority >= 0, -EINVAL);
assert_return(priority <= 7, -EINVAL);
fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC, 0);
if (fd < 0)
return -errno;
r = connect(fd, &sa.sa, SOCKADDR_UN_LEN(sa.un));
if (r < 0)
return -errno;
if (shutdown(fd, SHUT_RD) < 0)
return -errno;
fd_inc_sndbuf(fd, SNDBUF_SIZE);
if (!identifier)
identifier = "";
l = strlen(identifier);
header = alloca(l + 1 + 1 + 2 + 2 + 2 + 2 + 2);
memcpy(header, identifier, l);
header[l++] = '\n';
header[l++] = '\n'; /* unit id */
header[l++] = '0' + priority;
header[l++] = '\n';
header[l++] = '0' + !!level_prefix;
header[l++] = '\n';
header[l++] = '0';
header[l++] = '\n';
header[l++] = '0';
header[l++] = '\n';
header[l++] = '0';
header[l++] = '\n';
r = loop_write(fd, header, l, false);
if (r < 0)
return r;
r = fd;
fd = -1;
return r;
}
_public_ int sd_journal_print_with_location(int priority, const char *file, const char *line, const char *func, const char *format, ...) {
int r;
va_list ap;
va_start(ap, format);
r = sd_journal_printv_with_location(priority, file, line, func, format, ap);
va_end(ap);
return r;
}
_public_ int sd_journal_printv_with_location(int priority, const char *file, const char *line, const char *func, const char *format, va_list ap) {
char buffer[8 + LINE_MAX], p[sizeof("PRIORITY=")-1 + DECIMAL_STR_MAX(int) + 1];
struct iovec iov[5];
char *f;
assert_return(priority >= 0, -EINVAL);
assert_return(priority <= 7, -EINVAL);
assert_return(format, -EINVAL);
xsprintf(p, "PRIORITY=%i", priority & LOG_PRIMASK);
memcpy(buffer, "MESSAGE=", 8);
vsnprintf(buffer+8, sizeof(buffer) - 8, format, ap);
/* Strip trailing whitespace, keep prefixing whitespace */
(void) strstrip(buffer);
/* Suppress empty lines */
if (isempty(buffer+8))
return 0;
/* func is initialized from __func__ which is not a macro, but
* a static const char[], hence cannot easily be prefixed with
* CODE_FUNC=, hence let's do it manually here. */
ALLOCA_CODE_FUNC(f, func);
zero(iov);
IOVEC_SET_STRING(iov[0], buffer);
IOVEC_SET_STRING(iov[1], p);
IOVEC_SET_STRING(iov[2], file);
IOVEC_SET_STRING(iov[3], line);
IOVEC_SET_STRING(iov[4], f);
return sd_journal_sendv(iov, ELEMENTSOF(iov));
}
int journal_file_verify(
JournalFile *f,
const char *key,
usec_t *first_contained, usec_t *last_validated, usec_t *last_contained,
bool show_progress) {
int r;
Object *o;
uint64_t p = 0, last_epoch = 0, last_tag_realtime = 0, last_sealed_realtime = 0;
uint64_t entry_seqnum = 0, entry_monotonic = 0, entry_realtime = 0;
sd_id128_t entry_boot_id;
bool entry_seqnum_set = false, entry_monotonic_set = false, entry_realtime_set = false, found_main_entry_array = false;
uint64_t n_weird = 0, n_objects = 0, n_entries = 0, n_data = 0, n_fields = 0, n_data_hash_tables = 0, n_field_hash_tables = 0, n_entry_arrays = 0, n_tags = 0;
usec_t last_usec = 0;
int data_fd = -1, entry_fd = -1, entry_array_fd = -1;
unsigned i;
bool found_last = false;
#ifdef HAVE_GCRYPT
uint64_t last_tag = 0;
#endif
assert(f);
if (key) {
#ifdef HAVE_GCRYPT
r = journal_file_parse_verification_key(f, key);
if (r < 0) {
log_error("Failed to parse seed.");
return r;
}
#else
return -EOPNOTSUPP;
#endif
} else if (f->seal)
return -ENOKEY;
data_fd = open_tmpfile_unlinkable("/var/tmp", O_RDWR | O_CLOEXEC);
if (data_fd < 0) {
r = log_error_errno(data_fd, "Failed to create data file: %m");
goto fail;
}
entry_fd = open_tmpfile_unlinkable("/var/tmp", O_RDWR | O_CLOEXEC);
if (entry_fd < 0) {
r = log_error_errno(entry_fd, "Failed to create entry file: %m");
goto fail;
}
entry_array_fd = open_tmpfile_unlinkable("/var/tmp", O_RDWR | O_CLOEXEC);
if (entry_array_fd < 0) {
r = log_error_errno(entry_array_fd,
"Failed to create entry array file: %m");
goto fail;
}
if (le32toh(f->header->compatible_flags) & ~HEADER_COMPATIBLE_SUPPORTED) {
log_error("Cannot verify file with unknown extensions.");
r = -EOPNOTSUPP;
goto fail;
}
for (i = 0; i < sizeof(f->header->reserved); i++)
if (f->header->reserved[i] != 0) {
error(offsetof(Header, reserved[i]), "Reserved field is non-zero");
r = -EBADMSG;
goto fail;
}
/* First iteration: we go through all objects, verify the
* superficial structure, headers, hashes. */
p = le64toh(f->header->header_size);
for (;;) {
/* Early exit if there are no objects in the file, at all */
if (le64toh(f->header->tail_object_offset) == 0)
break;
if (show_progress)
draw_progress(scale_progress(0x7FFF, p, le64toh(f->header->tail_object_offset)), &last_usec);
r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &o);
if (r < 0) {
error(p, "Invalid object");
goto fail;
}
if (p > le64toh(f->header->tail_object_offset)) {
error(offsetof(Header, tail_object_offset), "Invalid tail object pointer");
r = -EBADMSG;
goto fail;
}
n_objects++;
r = journal_file_object_verify(f, p, o);
if (r < 0) {
error(p, "Invalid object contents: %s", strerror(-r));
goto fail;
}
if ((o->object.flags & OBJECT_COMPRESSED_XZ) &&
(o->object.flags & OBJECT_COMPRESSED_LZ4)) {
error(p, "Objected with double compression");
r = -EINVAL;
goto fail;
}
if ((o->object.flags & OBJECT_COMPRESSED_XZ) && !JOURNAL_HEADER_COMPRESSED_XZ(f->header)) {
error(p, "XZ compressed object in file without XZ compression");
r = -EBADMSG;
goto fail;
}
if ((o->object.flags & OBJECT_COMPRESSED_LZ4) && !JOURNAL_HEADER_COMPRESSED_LZ4(f->header)) {
error(p, "LZ4 compressed object in file without LZ4 compression");
r = -EBADMSG;
goto fail;
}
switch (o->object.type) {
case OBJECT_DATA:
r = write_uint64(data_fd, p);
if (r < 0)
goto fail;
n_data++;
break;
case OBJECT_FIELD:
n_fields++;
break;
case OBJECT_ENTRY:
if (JOURNAL_HEADER_SEALED(f->header) && n_tags <= 0) {
error(p, "First entry before first tag");
r = -EBADMSG;
goto fail;
}
r = write_uint64(entry_fd, p);
if (r < 0)
goto fail;
if (le64toh(o->entry.realtime) < last_tag_realtime) {
error(p, "Older entry after newer tag");
r = -EBADMSG;
goto fail;
}
if (!entry_seqnum_set &&
le64toh(o->entry.seqnum) != le64toh(f->header->head_entry_seqnum)) {
error(p, "Head entry sequence number incorrect");
r = -EBADMSG;
goto fail;
}
if (entry_seqnum_set &&
entry_seqnum >= le64toh(o->entry.seqnum)) {
error(p, "Entry sequence number out of synchronization");
r = -EBADMSG;
goto fail;
}
entry_seqnum = le64toh(o->entry.seqnum);
entry_seqnum_set = true;
if (entry_monotonic_set &&
sd_id128_equal(entry_boot_id, o->entry.boot_id) &&
entry_monotonic > le64toh(o->entry.monotonic)) {
error(p, "Entry timestamp out of synchronization");
r = -EBADMSG;
goto fail;
}
entry_monotonic = le64toh(o->entry.monotonic);
entry_boot_id = o->entry.boot_id;
entry_monotonic_set = true;
if (!entry_realtime_set &&
le64toh(o->entry.realtime) != le64toh(f->header->head_entry_realtime)) {
error(p, "Head entry realtime timestamp incorrect");
r = -EBADMSG;
goto fail;
}
entry_realtime = le64toh(o->entry.realtime);
entry_realtime_set = true;
n_entries++;
break;
case OBJECT_DATA_HASH_TABLE:
if (n_data_hash_tables > 1) {
error(p, "More than one data hash table");
r = -EBADMSG;
goto fail;
}
if (le64toh(f->header->data_hash_table_offset) != p + offsetof(HashTableObject, items) ||
le64toh(f->header->data_hash_table_size) != le64toh(o->object.size) - offsetof(HashTableObject, items)) {
error(p, "header fields for data hash table invalid");
r = -EBADMSG;
goto fail;
}
n_data_hash_tables++;
break;
case OBJECT_FIELD_HASH_TABLE:
if (n_field_hash_tables > 1) {
error(p, "More than one field hash table");
r = -EBADMSG;
goto fail;
}
if (le64toh(f->header->field_hash_table_offset) != p + offsetof(HashTableObject, items) ||
le64toh(f->header->field_hash_table_size) != le64toh(o->object.size) - offsetof(HashTableObject, items)) {
error(p, "Header fields for field hash table invalid");
r = -EBADMSG;
goto fail;
}
n_field_hash_tables++;
break;
case OBJECT_ENTRY_ARRAY:
r = write_uint64(entry_array_fd, p);
if (r < 0)
goto fail;
if (p == le64toh(f->header->entry_array_offset)) {
if (found_main_entry_array) {
error(p, "More than one main entry array");
r = -EBADMSG;
goto fail;
}
found_main_entry_array = true;
}
n_entry_arrays++;
break;
case OBJECT_TAG:
if (!JOURNAL_HEADER_SEALED(f->header)) {
error(p, "Tag object in file without sealing");
r = -EBADMSG;
goto fail;
}
if (le64toh(o->tag.seqnum) != n_tags + 1) {
error(p, "Tag sequence number out of synchronization");
r = -EBADMSG;
goto fail;
}
if (le64toh(o->tag.epoch) < last_epoch) {
error(p, "Epoch sequence out of synchronization");
r = -EBADMSG;
goto fail;
}
#ifdef HAVE_GCRYPT
if (f->seal) {
uint64_t q, rt;
debug(p, "Checking tag %"PRIu64"...", le64toh(o->tag.seqnum));
rt = f->fss_start_usec + o->tag.epoch * f->fss_interval_usec;
if (entry_realtime_set && entry_realtime >= rt + f->fss_interval_usec) {
error(p, "tag/entry realtime timestamp out of synchronization");
r = -EBADMSG;
goto fail;
}
/* OK, now we know the epoch. So let's now set
* it, and calculate the HMAC for everything
* since the last tag. */
r = journal_file_fsprg_seek(f, le64toh(o->tag.epoch));
if (r < 0)
goto fail;
r = journal_file_hmac_start(f);
if (r < 0)
goto fail;
if (last_tag == 0) {
r = journal_file_hmac_put_header(f);
if (r < 0)
goto fail;
q = le64toh(f->header->header_size);
} else
q = last_tag;
while (q <= p) {
r = journal_file_move_to_object(f, OBJECT_UNUSED, q, &o);
if (r < 0)
goto fail;
r = journal_file_hmac_put_object(f, OBJECT_UNUSED, o, q);
if (r < 0)
goto fail;
q = q + ALIGN64(le64toh(o->object.size));
}
/* Position might have changed, let's reposition things */
r = journal_file_move_to_object(f, OBJECT_UNUSED, p, &o);
if (r < 0)
goto fail;
if (memcmp(o->tag.tag, gcry_md_read(f->hmac, 0), TAG_LENGTH) != 0) {
error(p, "Tag failed verification");
r = -EBADMSG;
goto fail;
}
f->hmac_running = false;
last_tag_realtime = rt;
last_sealed_realtime = entry_realtime;
}
last_tag = p + ALIGN64(le64toh(o->object.size));
#endif
last_epoch = le64toh(o->tag.epoch);
n_tags++;
break;
default:
n_weird++;
}
if (p == le64toh(f->header->tail_object_offset)) {
found_last = true;
break;
}
p = p + ALIGN64(le64toh(o->object.size));
};
if (!found_last && le64toh(f->header->tail_object_offset) != 0) {
error(le64toh(f->header->tail_object_offset), "Tail object pointer dead");
r = -EBADMSG;
goto fail;
}
if (n_objects != le64toh(f->header->n_objects)) {
error(offsetof(Header, n_objects), "Object number mismatch");
r = -EBADMSG;
goto fail;
}
if (n_entries != le64toh(f->header->n_entries)) {
error(offsetof(Header, n_entries), "Entry number mismatch");
r = -EBADMSG;
goto fail;
}
if (JOURNAL_HEADER_CONTAINS(f->header, n_data) &&
n_data != le64toh(f->header->n_data)) {
error(offsetof(Header, n_data), "Data number mismatch");
r = -EBADMSG;
goto fail;
}
if (JOURNAL_HEADER_CONTAINS(f->header, n_fields) &&
n_fields != le64toh(f->header->n_fields)) {
error(offsetof(Header, n_fields), "Field number mismatch");
r = -EBADMSG;
goto fail;
}
if (JOURNAL_HEADER_CONTAINS(f->header, n_tags) &&
n_tags != le64toh(f->header->n_tags)) {
error(offsetof(Header, n_tags), "Tag number mismatch");
r = -EBADMSG;
goto fail;
}
if (JOURNAL_HEADER_CONTAINS(f->header, n_entry_arrays) &&
n_entry_arrays != le64toh(f->header->n_entry_arrays)) {
error(offsetof(Header, n_entry_arrays), "Entry array number mismatch");
r = -EBADMSG;
goto fail;
}
if (!found_main_entry_array && le64toh(f->header->entry_array_offset) != 0) {
error(0, "Missing entry array");
r = -EBADMSG;
goto fail;
}
if (entry_seqnum_set &&
entry_seqnum != le64toh(f->header->tail_entry_seqnum)) {
error(offsetof(Header, tail_entry_seqnum), "Invalid tail seqnum");
r = -EBADMSG;
goto fail;
}
if (entry_monotonic_set &&
(!sd_id128_equal(entry_boot_id, f->header->boot_id) ||
entry_monotonic != le64toh(f->header->tail_entry_monotonic))) {
error(0, "Invalid tail monotonic timestamp");
r = -EBADMSG;
goto fail;
}
if (entry_realtime_set && entry_realtime != le64toh(f->header->tail_entry_realtime)) {
error(0, "Invalid tail realtime timestamp");
r = -EBADMSG;
goto fail;
}
/* Second iteration: we follow all objects referenced from the
* two entry points: the object hash table and the entry
* array. We also check that everything referenced (directly
* or indirectly) in the data hash table also exists in the
* entry array, and vice versa. Note that we do not care for
* unreferenced objects. We only care that everything that is
* referenced is consistent. */
r = verify_entry_array(f,
data_fd, n_data,
entry_fd, n_entries,
entry_array_fd, n_entry_arrays,
&last_usec,
show_progress);
if (r < 0)
goto fail;
r = verify_hash_table(f,
data_fd, n_data,
entry_fd, n_entries,
entry_array_fd, n_entry_arrays,
&last_usec,
show_progress);
if (r < 0)
goto fail;
if (show_progress)
flush_progress();
mmap_cache_close_fd(f->mmap, data_fd);
mmap_cache_close_fd(f->mmap, entry_fd);
mmap_cache_close_fd(f->mmap, entry_array_fd);
safe_close(data_fd);
safe_close(entry_fd);
safe_close(entry_array_fd);
if (first_contained)
*first_contained = le64toh(f->header->head_entry_realtime);
if (last_validated)
*last_validated = last_sealed_realtime;
if (last_contained)
*last_contained = le64toh(f->header->tail_entry_realtime);
return 0;
fail:
if (show_progress)
flush_progress();
log_error("File corruption detected at %s:"OFSfmt" (of %llu bytes, %"PRIu64"%%).",
f->path,
p,
(unsigned long long) f->last_stat.st_size,
100 * p / f->last_stat.st_size);
if (data_fd >= 0) {
mmap_cache_close_fd(f->mmap, data_fd);
safe_close(data_fd);
}
if (entry_fd >= 0) {
mmap_cache_close_fd(f->mmap, entry_fd);
safe_close(entry_fd);
}
if (entry_array_fd >= 0) {
mmap_cache_close_fd(f->mmap, entry_array_fd);
safe_close(entry_array_fd);
}
return r;
}
int main(int argc, char *argv[]) {
sd_id128_t id, id2;
char t[33], q[37];
_cleanup_free_ char *b = NULL;
_cleanup_close_ int fd = -1;
assert_se(sd_id128_randomize(&id) == 0);
printf("random: %s\n", sd_id128_to_string(id, t));
assert_se(sd_id128_from_string(t, &id2) == 0);
assert_se(sd_id128_equal(id, id2));
if (sd_booted() > 0) {
assert_se(sd_id128_get_machine(&id) == 0);
printf("machine: %s\n", sd_id128_to_string(id, t));
assert_se(sd_id128_get_boot(&id) == 0);
printf("boot: %s\n", sd_id128_to_string(id, t));
}
printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t));
assert_se(streq(t, STR_WALDI));
assert_se(asprintf(&b, SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 32);
printf("waldi2: %s\n", b);
assert_se(streq(t, b));
printf("waldi3: %s\n", id128_to_uuid_string(ID128_WALDI, q));
assert_se(streq(q, UUID_WALDI));
b = mfree(b);
assert_se(asprintf(&b, ID128_UUID_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 36);
printf("waldi4: %s\n", b);
assert_se(streq(q, b));
assert_se(sd_id128_from_string(STR_WALDI, &id) >= 0);
assert_se(sd_id128_equal(id, ID128_WALDI));
assert_se(sd_id128_from_string(UUID_WALDI, &id) >= 0);
assert_se(sd_id128_equal(id, ID128_WALDI));
assert_se(sd_id128_from_string("", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f101", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f10-", &id) < 0);
assert_se(sd_id128_from_string("01020304-0506-0708-090a0b0c0d0e0f10", &id) < 0);
assert_se(sd_id128_from_string("010203040506-0708-090a-0b0c0d0e0f10", &id) < 0);
assert_se(id128_is_valid(STR_WALDI));
assert_se(id128_is_valid(UUID_WALDI));
assert_se(!id128_is_valid(""));
assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f101"));
assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f10-"));
assert_se(!id128_is_valid("01020304-0506-0708-090a0b0c0d0e0f10"));
assert_se(!id128_is_valid("010203040506-0708-090a-0b0c0d0e0f10"));
fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC);
assert_se(fd >= 0);
/* First, write as UUID */
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(id128_write_fd(fd, ID128_UUID, id, false) >= 0);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
/* Second, write as plain */
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(ftruncate(fd, 0) >= 0);
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(id128_write_fd(fd, ID128_PLAIN, id, false) >= 0);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
/* Third, write plain without trailing newline */
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(ftruncate(fd, 0) >= 0);
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(write(fd, sd_id128_to_string(id, t), 32) == 32);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
/* Third, write UUID without trailing newline */
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(ftruncate(fd, 0) >= 0);
assert_se(sd_id128_randomize(&id) >= 0);
assert_se(write(fd, id128_to_uuid_string(id, q), 36) == 36);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
assert_se(lseek(fd, 0, SEEK_SET) == 0);
assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
assert_se(sd_id128_equal(id, id2));
return 0;
}
