bool mount_point_is_api(const char *path) {
unsigned i;
/* Checks if this mount point is considered "API", and hence
* should be ignored */
for (i = 0; i < ELEMENTSOF(mount_table); i ++)
if (path_equal(path, mount_table[i].where))
return true;
return path_startswith(path, "/sys/fs/cgroup/");
}
static int create_dirs(const char *esp_path) {
int r;
unsigned i;
for (i = 0; i < ELEMENTSOF(efi_subdirs); i++) {
r = mkdir_one(esp_path, efi_subdirs[i]);
if (r < 0)
return r;
}
return 0;
}
void udev_builtin_exit(struct udev *udev) {
unsigned int i;
if (!initialized)
return;
for (i = 0; i < ELEMENTSOF(builtins); i++)
if (builtins[i]->exit)
builtins[i]->exit(udev);
initialized = false;
}
static int adm_help(struct udev *udev, int argc, char *argv[]) {
unsigned int i;
printf("%s [--help] [--version] [--debug] COMMAND [COMMAND OPTIONS]\n\n"
"Send control commands or test the device manager.\n\n"
"Commands:\n"
, program_invocation_short_name);
for (i = 0; i < ELEMENTSOF(udevadm_cmds); i++)
if (udevadm_cmds[i]->help != NULL)
printf(" %-12s %s\n", udevadm_cmds[i]->name, udevadm_cmds[i]->help);
return 0;
}
int catalog_compare_func(const void *a, const void *b) {
const CatalogItem *i = a, *j = b;
unsigned k;
for (k = 0; k < ELEMENTSOF(j->id.bytes); k++) {
if (i->id.bytes[k] < j->id.bytes[k])
return -1;
if (i->id.bytes[k] > j->id.bytes[k])
return 1;
}
return strcmp(i->language, j->language);
}
static void test_prefixes_cb(sd_icmp6_nd *nd, int event, void *userdata) {
sd_event *e = userdata;
struct {
struct in6_addr addr;
uint8_t prefixlen;
bool success;
} addrs[] = {
{ { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
63, true },
{ { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0x0d, 0xad,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
64, false },
{ { { { 0x20, 0x01, 0x0d, 0xb8, 0x0b, 0x16, 0xd0, 0x0d,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
60, true },
{ { { { 0x20, 0x01, 0x0d, 0xb8, 0x00, 0x9d, 0xab, 0xcd,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
64, true },
{ { { { 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xed,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 } } },
63, false },
};
uint8_t prefixlen;
unsigned int i;
for (i = 0; i < ELEMENTSOF(addrs); i++) {
printf(" %s prefix %02x%02x:%02x%02x:%02x%02x:%02x%02x",
__FUNCTION__,
addrs[i].addr.s6_addr[0], addrs[i].addr.s6_addr[1],
addrs[i].addr.s6_addr[2], addrs[i].addr.s6_addr[3],
addrs[i].addr.s6_addr[4], addrs[i].addr.s6_addr[5],
addrs[i].addr.s6_addr[6], addrs[i].addr.s6_addr[7]);
if (addrs[i].success) {
assert_se(sd_icmp6_ra_get_prefixlen(nd, &addrs[i].addr,
&prefixlen) >= 0);
assert_se(addrs[i].prefixlen == prefixlen);
printf("/%d onlink\n", prefixlen);
} else {
assert_se(sd_icmp6_ra_get_prefixlen(nd, &addrs[i].addr,
&prefixlen) == -EADDRNOTAVAIL);
printf("/128 offlink\n");
}
}
send_ra_function = send_ra_short_prefix;
assert_se(sd_icmp6_nd_set_callback(nd, test_short_prefix_cb, e) >= 0);
assert_se(sd_icmp6_nd_stop(nd) >= 0);
assert_se(sd_icmp6_router_solicitation_start(nd) >= 0);
}
static void test_term_char_packing(void) {
uint32_t seqs[][1024] = {
{ -1 },
{ 0, -1 },
{ 'A', '~', -1 },
{ 'A', '~', 0, -1 },
{ 'A', '~', 'a', -1 },
};
term_char_t res[] = {
TERM_CHAR_NULL,
PACK1(0),
PACK2('A', '~'),
PACK3('A', '~', 0),
PACK3('A', '~', 'a'),
};
uint32_t next;
unsigned int i, j;
term_char_t c = TERM_CHAR_NULL;
/*
* This creates term_char_t objects based on the data in @seqs and
* compares the result to @res. Only basic packed types are tested, no
* allocations are done.
*/
for (i = 0; i < ELEMENTSOF(seqs); ++i) {
for (j = 0; j < ELEMENTSOF(seqs[i]); ++j) {
next = seqs[i][j];
if (next == (uint32_t)-1)
break;
c = term_char_merge(c, next);
}
assert_se(!memcmp(&c, &res[i], sizeof(c)));
c = term_char_free(c);
}
}
enum udev_builtin_cmd udev_builtin_lookup(const char *command) {
char name[UTIL_PATH_SIZE];
enum udev_builtin_cmd i;
char *pos;
strscpy(name, sizeof(name), command);
pos = strchr(name, ' ');
if (pos)
pos[0] = '\0';
for (i = 0; i < ELEMENTSOF(builtins); i++)
if (builtins[i] && streq(builtins[i]->name, name))
return i;
return UDEV_BUILTIN_MAX;
}
int kmod_setup(void) {
unsigned i;
struct kmod_ctx *ctx = NULL;
struct kmod_module *mod;
int err;
for (i = 0; i < ELEMENTSOF(kmod_table); i += 2) {
if (access(kmod_table[i+1], F_OK) >= 0)
continue;
log_debug("Your kernel apparently lacks built-in %s support. Might be a good idea to compile it in. "
"We'll now try to work around this by loading the module...",
kmod_table[i]);
if (!ctx) {
ctx = kmod_new(NULL, NULL);
if (!ctx) {
log_error("Failed to allocate memory for kmod");
return -ENOMEM;
}
kmod_set_log_fn(ctx, systemd_kmod_log, NULL);
kmod_load_resources(ctx);
}
err = kmod_module_new_from_name(ctx, kmod_table[i], &mod);
if (err < 0) {
log_error("Failed to load module '%s'", kmod_table[i]);
continue;
}
err = kmod_module_probe_insert_module(mod, KMOD_PROBE_APPLY_BLACKLIST, NULL, NULL, NULL, NULL);
if (err == 0)
log_info("Inserted module '%s'", kmod_module_get_name(mod));
else if (err == KMOD_PROBE_APPLY_BLACKLIST)
log_info("Module '%s' is blacklisted", kmod_module_get_name(mod));
else
log_error("Failed to insert '%s'", kmod_module_get_name(mod));
kmod_module_unref(mod);
}
if (ctx)
kmod_unref(ctx);
return 0;
}
static int get_current_runlevel(Context *c) {
static const struct {
const int runlevel;
const char *special;
} table[] = {
/* The first target of this list that is active or has
* a job scheduled wins. We prefer runlevels 5 and 3
* here over the others, since these are the main
* runlevels used on Fedora. It might make sense to
* change the order on some distributions. */
{ '5', SPECIAL_RUNLEVEL5_TARGET },
{ '3', SPECIAL_RUNLEVEL3_TARGET },
{ '4', SPECIAL_RUNLEVEL4_TARGET },
{ '2', SPECIAL_RUNLEVEL2_TARGET },
{ '1', SPECIAL_RESCUE_TARGET },
};
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
unsigned i;
assert(c);
for (i = 0; i < ELEMENTSOF(table); i++) {
_cleanup_free_ char *state = NULL, *path = NULL;
path = unit_dbus_path_from_name(table[i].special);
if (!path)
return log_oom();
r = sd_bus_get_property_string(
c->bus,
"org.freedesktop.systemd1",
path,
"org.freedesktop.systemd1.Unit",
"ActiveState",
&error,
&state);
if (r < 0) {
log_warning("Failed to get state: %s", bus_error_message(&error, -r));
return r;
}
if (streq(state, "active") || streq(state, "reloading"))
return table[i].runlevel;
}
return 0;
}
static void test_hashmap_free_with_destructor(void) {
Hashmap *m;
struct Item items[4] = {};
unsigned i;
assert_se(m = hashmap_new(NULL));
for (i = 0; i < ELEMENTSOF(items) - 1; i++)
assert_se(hashmap_put(m, INT_TO_PTR(i), items + i) == 1);
m = hashmap_free_with_destructor(m, item_seen);
assert_se(items[0].seen == 1);
assert_se(items[1].seen == 1);
assert_se(items[2].seen == 1);
assert_se(items[3].seen == 0);
}
static char* extract_multiplier(char *p, usec_t *multiplier) {
static const struct {
const char *suffix;
usec_t usec;
} table[] = {
{ "seconds", USEC_PER_SEC },
{ "second", USEC_PER_SEC },
{ "sec", USEC_PER_SEC },
{ "s", USEC_PER_SEC },
{ "minutes", USEC_PER_MINUTE },
{ "minute", USEC_PER_MINUTE },
{ "min", USEC_PER_MINUTE },
{ "months", USEC_PER_MONTH },
{ "month", USEC_PER_MONTH },
{ "M", USEC_PER_MONTH },
{ "msec", USEC_PER_MSEC },
{ "ms", USEC_PER_MSEC },
{ "m", USEC_PER_MINUTE },
{ "hours", USEC_PER_HOUR },
{ "hour", USEC_PER_HOUR },
{ "hr", USEC_PER_HOUR },
{ "h", USEC_PER_HOUR },
{ "days", USEC_PER_DAY },
{ "day", USEC_PER_DAY },
{ "d", USEC_PER_DAY },
{ "weeks", USEC_PER_WEEK },
{ "week", USEC_PER_WEEK },
{ "w", USEC_PER_WEEK },
{ "years", USEC_PER_YEAR },
{ "year", USEC_PER_YEAR },
{ "y", USEC_PER_YEAR },
{ "usec", 1ULL },
{ "us", 1ULL },
};
unsigned i;
for (i = 0; i < ELEMENTSOF(table); i++) {
char *e;
e = startswith(p, table[i].suffix);
if (e) {
*multiplier = table[i].usec;
return e;
}
}
return p;
}
static void format_weekdays(FILE *f, const CalendarSpec *c) {
static const char *const days[] = {
"Mon",
"Tue",
"Wed",
"Thu",
"Fri",
"Sat",
"Sun"
};
int l, x;
bool need_colon = false;
assert(f);
assert(c);
assert(c->weekdays_bits > 0 && c->weekdays_bits <= 127);
for (x = 0, l = -1; x < (int) ELEMENTSOF(days); x++) {
if (c->weekdays_bits & (1 << x)) {
if (l < 0) {
if (need_colon)
fputc(',', f);
else
need_colon = true;
fputs(days[x], f);
l = x;
}
} else if (l >= 0) {
if (x > l + 1) {
fputc(x > l + 2 ? '-' : ',', f);
fputs(days[x-1], f);
}
l = -1;
}
}
if (l >= 0 && x > l + 1) {
fputc(x > l + 2 ? '-' : ',', f);
fputs(days[x-1], f);
}
}
static int output_short(
FILE *f,
sd_journal *j,
OutputMode mode,
unsigned n_columns,
OutputFlags flags,
Set *output_fields,
const size_t highlight[2]) {
int r;
const void *data;
size_t length;
size_t n = 0;
_cleanup_free_ char *hostname = NULL, *identifier = NULL, *comm = NULL, *pid = NULL, *fake_pid = NULL, *message = NULL, *realtime = NULL, *monotonic = NULL, *priority = NULL, *unit = NULL, *user_unit = NULL;
size_t hostname_len = 0, identifier_len = 0, comm_len = 0, pid_len = 0, fake_pid_len = 0, message_len = 0, realtime_len = 0, monotonic_len = 0, priority_len = 0, unit_len = 0, user_unit_len = 0;
int p = LOG_INFO;
bool ellipsized = false;
const ParseFieldVec fields[] = {
PARSE_FIELD_VEC_ENTRY("_PID=", &pid, &pid_len),
PARSE_FIELD_VEC_ENTRY("_COMM=", &comm, &comm_len),
PARSE_FIELD_VEC_ENTRY("MESSAGE=", &message, &message_len),
PARSE_FIELD_VEC_ENTRY("PRIORITY=", &priority, &priority_len),
PARSE_FIELD_VEC_ENTRY("_HOSTNAME=", &hostname, &hostname_len),
PARSE_FIELD_VEC_ENTRY("SYSLOG_PID=", &fake_pid, &fake_pid_len),
PARSE_FIELD_VEC_ENTRY("SYSLOG_IDENTIFIER=", &identifier, &identifier_len),
PARSE_FIELD_VEC_ENTRY("_SOURCE_REALTIME_TIMESTAMP=", &realtime, &realtime_len),
PARSE_FIELD_VEC_ENTRY("_SOURCE_MONOTONIC_TIMESTAMP=", &monotonic, &monotonic_len),
PARSE_FIELD_VEC_ENTRY("_SYSTEMD_UNIT=", &unit, &unit_len),
PARSE_FIELD_VEC_ENTRY("_SYSTEMD_USER_UNIT=", &user_unit, &user_unit_len),
};
size_t highlight_shifted[] = {highlight ? highlight[0] : 0, highlight ? highlight[1] : 0};
assert(f);
assert(j);
/* Set the threshold to one bigger than the actual print
* threshold, so that if the line is actually longer than what
* we're willing to print, ellipsization will occur. This way
* we won't output a misleading line without any indication of
* truncation.
*/
sd_journal_set_data_threshold(j, flags & (OUTPUT_SHOW_ALL|OUTPUT_FULL_WIDTH) ? 0 : PRINT_CHAR_THRESHOLD + 1);
JOURNAL_FOREACH_DATA_RETVAL(j, data, length, r) {
r = parse_fieldv(data, length, fields, ELEMENTSOF(fields));
if (r < 0)
return r;
}
int main(int argc, char *argv[])
{
unsigned int i;
test_invalid_buffer_length();
test_cookie();
test_options(NULL);
for (i = 0; i < ELEMENTSOF(option_tests); i++)
test_options(&option_tests[i]);
test_option_set();
return 0;
}
int main(int argc, const char *argv[]) {
unsigned int i;
for (i = 0; i < ELEMENTSOF(af_names); i++) {
if (af_names[i]) {
assert_se(streq(af_to_name(i), af_names[i]));
assert_se(af_from_name(af_names[i]) == (int) i);
}
}
assert_se(af_to_name(af_max()) == NULL);
assert_se(af_to_name(-1) == NULL);
assert_se(af_from_name("huddlduddl") == AF_UNSPEC);
return 0;
}
static bool skip_attribute(const char *name) {
static const char* const skip[] = {
"uevent",
"dev",
"modalias",
"resource",
"driver",
"subsystem",
"module",
};
unsigned int i;
for (i = 0; i < ELEMENTSOF(skip); i++)
if (streq(name, skip[i]))
return true;
return false;
}
static double percent(int pass, unsigned long cur, unsigned long max) {
/* Values stolen from e2fsck */
static const int pass_table[] = {
0, 70, 90, 92, 95, 100
};
if (pass <= 0)
return 0.0;
if ((unsigned) pass >= ELEMENTSOF(pass_table) || max == 0)
return 100.0;
return (double) pass_table[pass-1] +
((double) pass_table[pass] - (double) pass_table[pass-1]) *
(double) cur / (double) max;
}
static void test_clock_is_localtime(void) {
char adjtime[] = "/tmp/test-adjtime.XXXXXX";
int fd = -1;
_cleanup_fclose_ FILE* f = NULL;
static const struct scenario {
const char* contents;
int expected_result;
} scenarios[] = {
/* adjtime configures UTC */
{"0.0 0 0\n0\nUTC\n", 0},
/* adjtime configures local time */
{"0.0 0 0\n0\nLOCAL\n", 1},
/* no final EOL */
{"0.0 0 0\n0\nUTC", 0},
{"0.0 0 0\n0\nLOCAL", 1},
/* empty value -> defaults to UTC */
{"0.0 0 0\n0\n", 0},
/* unknown value -> defaults to UTC */
{"0.0 0 0\n0\nFOO\n", 0},
/* no third line */
{"0.0 0 0", 0},
{"0.0 0 0\n", 0},
{"0.0 0 0\n0", 0},
};
/* without an adjtime file we default to UTC */
assert_se(clock_is_localtime("/nonexisting/adjtime") == 0);
fd = mkostemp_safe(adjtime);
assert_se(fd >= 0);
log_info("adjtime test file: %s", adjtime);
f = fdopen(fd, "w");
assert_se(f);
for (size_t i = 0; i < ELEMENTSOF(scenarios); ++i) {
log_info("scenario #%zu:, expected result %i", i, scenarios[i].expected_result);
log_info("%s", scenarios[i].contents);
rewind(f);
ftruncate(fd, 0);
assert_se(write_string_stream(f, scenarios[i].contents, WRITE_STRING_FILE_AVOID_NEWLINE) == 0);
assert_se(clock_is_localtime(adjtime) == scenarios[i].expected_result);
}
unlink(adjtime);
}
int mount_setup_early(void) {
unsigned i;
int r = 0;
assert_cc(N_EARLY_MOUNT <= ELEMENTSOF(mount_table));
/* Do a minimal mount of /proc and friends to enable the most
* basic stuff, such as SELinux */
for (i = 0; i < N_EARLY_MOUNT; i ++) {
int j;
j = mount_one(mount_table + i, false);
if (r == 0)
r = j;
}
return r;
}
static bool mask_contains(unsigned a[], unsigned n) {
unsigned i, j;
for (i = 0; i < ELEMENTSOF(mask); i++) {
bool found = false;
for (j = 0; j < n; j++)
if (a[j] == i) {
found = true;
break;
}
if (found != mask[i])
return false;
}
return true;
}
static void test_hexdump(void) {
uint8_t data[146];
unsigned i;
hexdump(stdout, NULL, 0);
hexdump(stdout, "", 0);
hexdump(stdout, "", 1);
hexdump(stdout, "x", 1);
hexdump(stdout, "x", 2);
hexdump(stdout, "foobar", 7);
hexdump(stdout, "f\nobar", 7);
hexdump(stdout, "xxxxxxxxxxxxxxxxxxxxyz", 23);
for (i = 0; i < ELEMENTSOF(data); i++)
data[i] = i*2;
hexdump(stdout, data, sizeof(data));
}
int udev_builtin_init(struct udev *udev)
{
unsigned int i;
int err = 0;
if (initialized)
return 0;
for (i = 0; i < ELEMENTSOF(builtins); i++) {
if (builtins[i]->init) {
err = builtins[i]->init(udev);
if (err < 0)
break;
}
}
initialized = true;
return err;
}
static int remove_binaries(const char *esp_path) {
char *p;
int r, q;
unsigned i;
p = strjoina(esp_path, "/EFI/systemd");
r = rm_rf(p, REMOVE_ROOT|REMOVE_PHYSICAL);
q = remove_boot_efi(esp_path);
if (q < 0 && r == 0)
r = q;
for (i = ELEMENTSOF(efi_subdirs); i > 0; i--) {
q = rmdir_one(esp_path, efi_subdirs[i-1]);
if (q < 0 && r == 0)
r = q;
}
return r;
}
static int print_home(const char *n) {
uint64_t i = 0;
int r;
for (i = 0; i < ELEMENTSOF(path_table); i++) {
if (streq(path_table[i], n)) {
_cleanup_free_ char *p = NULL;
r = sd_path_home(i, arg_suffix, &p);
if (r < 0)
return log_error_errno(r, "Failed to query %s: %m", n);
printf("%s\n", p);
return 0;
}
}
log_error("Path %s not known.", n);
return -EOPNOTSUPP;
}
_const_ static usec_t when_wall(usec_t n, usec_t elapse) {
usec_t left;
unsigned int i;
static const int wall_timers[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
25, 40, 55, 70, 100, 130, 150, 180,
};
/* If the time is already passed, then don't announce */
if (n >= elapse)
return 0;
left = elapse - n;
for (i = 1; i < ELEMENTSOF(wall_timers); i++)
if (wall_timers[i] * USEC_PER_MINUTE >= left)
return left - wall_timers[i-1] * USEC_PER_MINUTE;
return left % USEC_PER_HOUR;
}
char *format_bytes(char *buf, size_t l, uint64_t t) {
unsigned i;
/* This only does IEC units so far */
static const struct {
const char *suffix;
uint64_t factor;
} table[] = {
{ "E", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
{ "P", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
{ "T", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
{ "G", UINT64_C(1024)*UINT64_C(1024)*UINT64_C(1024) },
{ "M", UINT64_C(1024)*UINT64_C(1024) },
{ "K", UINT64_C(1024) },
};
if (t == (uint64_t) -1)
return NULL;
for (i = 0; i < ELEMENTSOF(table); i++) {
if (t >= table[i].factor) {
snprintf(buf, l,
"%" PRIu64 ".%" PRIu64 "%s",
t / table[i].factor,
((t*UINT64_C(10)) / table[i].factor) % UINT64_C(10),
table[i].suffix);
goto finish;
}
}
snprintf(buf, l, "%" PRIu64 "B", t);
finish:
buf[l-1] = 0;
return buf;
}
static int fake_filesystems(void) {
static const struct fakefs {
const char *src;
const char *target;
const char *error;
} fakefss[] = {
{ "test/sys", "/sys", "failed to mount test /sys" },
{ "test/dev", "/dev", "failed to mount test /dev" },
{ "test/run", UDEV_ROOT_RUN, "failed to mount test " UDEV_ROOT_RUN },
{ "test/run", "/etc/udev/rules.d", "failed to mount empty /etc/udev/rules.d" },
{ "test/run", "/lib/udev/rules.d", "failed to mount empty /lib/udev/rules.d" },
};
unsigned int i;
int err;
err = unshare(CLONE_NEWNS);
if (err < 0) {
err = -errno;
fprintf(stderr, "failed to call unshare(): %m\n");
goto out;
}
if (mount(NULL, "/", NULL, MS_PRIVATE|MS_REC, NULL) < 0) {
err = -errno;
fprintf(stderr, "failed to mount / as private: %m\n");
goto out;
}
for (i = 0; i < ELEMENTSOF(fakefss); i++) {
err = mount(fakefss[i].src, fakefss[i].target, NULL, MS_BIND, NULL);
if (err < 0) {
err = -errno;
fprintf(stderr, "%s %m", fakefss[i].error);
return err;
}
}
out:
return err;
}
static int list_homes(void) {
uint64_t i = 0;
int r = 0;
for (i = 0; i < ELEMENTSOF(path_table); i++) {
_cleanup_free_ char *p = NULL;
int q;
q = sd_path_home(i, arg_suffix, &p);
if (q == -ENXIO)
continue;
if (q < 0) {
log_error("Failed to query %s: %s", path_table[i], strerror(-r));
r = q;
continue;
}
printf("%s: %s\n", path_table[i], p);
}
return r;
}
int mac_selinux_init(const char *prefix) {
int r = 0;
#ifdef HAVE_SELINUX
usec_t before_timestamp, after_timestamp;
struct mallinfo before_mallinfo, after_mallinfo;
if (!mac_selinux_use())
return 0;
if (label_hnd)
return 0;
before_mallinfo = mallinfo();
before_timestamp = now(CLOCK_MONOTONIC);
if (prefix) {
struct selinux_opt options[] = {
{ .type = SELABEL_OPT_SUBSET, .value = prefix },
};
label_hnd = selabel_open(SELABEL_CTX_FILE, options, ELEMENTSOF(options));
} else