static int list_vconsole_keymaps(sd_bus *bus, char **args, unsigned n) {
_cleanup_strv_free_ char **l = NULL;
const char *dir;
keymaps = set_new(string_hash_func, string_compare_func);
if (!keymaps)
return log_oom();
NULSTR_FOREACH(dir, KBD_KEYMAP_DIRS)
nftw(dir, nftw_cb, 20, FTW_MOUNT|FTW_PHYS);
l = set_get_strv(keymaps);
if (!l) {
set_free_free(keymaps);
return log_oom();
}
set_free(keymaps);
if (strv_isempty(l)) {
log_error("Couldn't find any console keymaps.");
return -ENOENT;
}
strv_sort(l);
pager_open_if_enabled();
strv_print(l);
return 0;
}
static int list_bus_names(sd_bus *bus, char **argv) {
_cleanup_strv_free_ char **acquired = NULL, **activatable = NULL;
_cleanup_free_ char **merged = NULL;
_cleanup_hashmap_free_ Hashmap *names = NULL;
char **i;
int r;
size_t max_i = 0;
unsigned n = 0;
void *v;
char *k;
Iterator iterator;
assert(bus);
r = sd_bus_list_names(bus, (arg_acquired || arg_unique) ? &acquired : NULL, arg_activatable ? &activatable : NULL);
if (r < 0) {
log_error("Failed to list names: %s", strerror(-r));
return r;
}
pager_open_if_enabled();
names = hashmap_new(&string_hash_ops);
if (!names)
return log_oom();
STRV_FOREACH(i, acquired) {
max_i = MAX(max_i, strlen(*i));
r = hashmap_put(names, *i, INT_TO_PTR(1));
if (r < 0) {
log_error("Failed to add to hashmap: %s", strerror(-r));
return r;
}
}
static int list_vconsole_keymaps(DBusConnection *bus, char **args, unsigned n) {
char _cleanup_strv_free_ **l = NULL;
char **i;
keymaps = set_new(string_hash_func, string_compare_func);
if (!keymaps)
return log_oom();
nftw("/usr/share/kbd/keymaps/", nftw_cb, 20, FTW_MOUNT|FTW_PHYS);
nftw("/usr/lib/kbd/keymaps/", nftw_cb, 20, FTW_MOUNT|FTW_PHYS);
nftw("/lib/kbd/keymaps/", nftw_cb, 20, FTW_MOUNT|FTW_PHYS);
l = set_get_strv(keymaps);
if (!l) {
set_free_free(keymaps);
return log_oom();
}
set_free(keymaps);
if (strv_isempty(l)) {
log_error("Couldn't find any console keymaps.");
return -ENOENT;
}
strv_sort(l);
pager_open_if_enabled();
STRV_FOREACH(i, l)
puts(*i);
return 0;
}
static int list_locales(sd_bus *bus, char **args, unsigned n) {
_cleanup_set_free_ Set *locales;
_cleanup_strv_free_ char **l = NULL;
int r;
locales = set_new(string_hash_func, string_compare_func);
if (!locales)
return log_oom();
r = add_locales_from_archive(locales);
if (r < 0 && r != -ENOENT)
return r;
r = add_locales_from_libdir(locales);
if (r < 0)
return r;
l = set_get_strv(locales);
if (!l)
return log_oom();
strv_sort(l);
pager_open_if_enabled();
strv_print(l);
return 0;
}
static int list_timezones(sd_bus *bus, char **args, unsigned n) {
_cleanup_strv_free_ char **zones = NULL;
int r;
assert(args);
assert(n == 1);
r = get_timezones(&zones);
if (r < 0)
return log_error_errno(r, "Failed to read list of time zones: %m");
pager_open_if_enabled();
strv_print(zones);
return 0;
}
static int list_sessions(int argc, char *argv[], void *userdata) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *id, *user, *seat, *object;
sd_bus *bus = userdata;
unsigned k = 0;
uint32_t uid;
int r;
assert(bus);
assert(argv);
pager_open_if_enabled();
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"ListSessions",
&error, &reply,
"");
if (r < 0) {
log_error("Failed to list sessions: %s", bus_error_message(&error, r));
return r;
}
r = sd_bus_message_enter_container(reply, 'a', "(susso)");
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("%10s %10s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT");
while ((r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object)) > 0) {
printf("%10s %10u %-16s %-16s\n", id, (unsigned) uid, user, seat);
k++;
}
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("\n%u sessions listed.\n", k);
return 0;
}
static int list_users(sd_bus *bus, char **args, unsigned n) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *user, *object;
unsigned k = 0;
uint32_t uid;
int r;
pager_open_if_enabled();
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"ListUsers",
&error, &reply,
"");
if (r < 0) {
log_error("Failed to list users: %s", bus_error_message(&error, r));
return r;
}
r = sd_bus_message_enter_container(reply, 'a', "(uso)");
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("%10s %-16s\n", "UID", "USER");
while ((r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object)) > 0) {
printf("%10u %-16s\n", (unsigned) uid, user);
k++;
}
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("\n%u users listed.\n", k);
return 0;
}
static int list_seats(sd_bus *bus, char **args, unsigned n) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
_cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
const char *seat, *object;
unsigned k = 0;
int r;
pager_open_if_enabled();
r = sd_bus_call_method(
bus,
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"ListSeats",
&error, &reply,
"");
if (r < 0) {
log_error("Failed to list seats: %s", bus_error_message(&error, r));
return r;
}
r = sd_bus_message_enter_container(reply, 'a', "(so)");
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("%-16s\n", "SEAT");
while ((r = sd_bus_message_read(reply, "(so)", &seat, &object)) > 0) {
printf("%-16s\n", seat);
k++;
}
if (r < 0)
return bus_log_parse_error(r);
if (arg_legend)
printf("\n%u seats listed.\n", k);
return 0;
}
static int list_links(int argc, char *argv[], void *userdata) {
_cleanup_netlink_message_unref_ sd_netlink_message *req = NULL, *reply = NULL;
_cleanup_netlink_unref_ sd_netlink *rtnl = NULL;
_cleanup_free_ LinkInfo *links = NULL;
int r, c, i;
pager_open_if_enabled();
r = sd_netlink_open(&rtnl);
if (r < 0)
return log_error_errno(r, "Failed to connect to netlink: %m");
r = sd_rtnl_message_new_link(rtnl, &req, RTM_GETLINK, 0);
if (r < 0)
return rtnl_log_create_error(r);
r = sd_netlink_message_request_dump(req, true);
if (r < 0)
return rtnl_log_create_error(r);
r = sd_netlink_call(rtnl, req, 0, &reply);
if (r < 0)
return log_error_errno(r, "Failed to enumerate links: %m");
if (arg_legend)
printf("%3s %-16s %-18s %-11s %-10s\n", "IDX", "LINK", "TYPE", "OPERATIONAL", "SETUP");
c = decode_and_sort_links(reply, &links);
if (c < 0)
return rtnl_log_parse_error(c);
for (i = 0; i < c; i++) {
_cleanup_free_ char *setup_state = NULL, *operational_state = NULL;
_cleanup_device_unref_ sd_device *d = NULL;
const char *on_color_operational, *off_color_operational,
*on_color_setup, *off_color_setup;
char devid[2 + DECIMAL_STR_MAX(int)];
_cleanup_free_ char *t = NULL;
sd_network_link_get_operational_state(links[i].ifindex, &operational_state);
operational_state_to_color(operational_state, &on_color_operational, &off_color_operational);
sd_network_link_get_setup_state(links[i].ifindex, &setup_state);
setup_state_to_color(setup_state, &on_color_setup, &off_color_setup);
sprintf(devid, "n%i", links[i].ifindex);
(void)sd_device_new_from_device_id(&d, devid);
link_get_type_string(links[i].iftype, d, &t);
printf("%3i %-16s %-18s %s%-11s%s %s%-10s%s\n",
links[i].ifindex, links[i].name, strna(t),
on_color_operational, strna(operational_state), off_color_operational,
on_color_setup, strna(setup_state), off_color_setup);
}
if (arg_legend)
printf("\n%i links listed.\n", c);
return 0;
}
static int list_locales(DBusConnection *bus, char **args, unsigned n) {
/* Stolen from glibc... */
struct locarhead {
uint32_t magic;
/* Serial number. */
uint32_t serial;
/* Name hash table. */
uint32_t namehash_offset;
uint32_t namehash_used;
uint32_t namehash_size;
/* String table. */
uint32_t string_offset;
uint32_t string_used;
uint32_t string_size;
/* Table with locale records. */
uint32_t locrectab_offset;
uint32_t locrectab_used;
uint32_t locrectab_size;
/* MD5 sum hash table. */
uint32_t sumhash_offset;
uint32_t sumhash_used;
uint32_t sumhash_size;
};
struct namehashent {
/* Hash value of the name. */
uint32_t hashval;
/* Offset of the name in the string table. */
uint32_t name_offset;
/* Offset of the locale record. */
uint32_t locrec_offset;
};
const struct locarhead *h;
const struct namehashent *e;
const void *p = MAP_FAILED;
_cleanup_close_ int fd = -1;
_cleanup_strv_free_ char **l = NULL;
char **j;
Set *locales;
size_t sz = 0;
struct stat st;
unsigned i;
int r;
locales = set_new(string_hash_func, string_compare_func);
if (!locales)
return log_oom();
fd = open("/usr/lib/locale/locale-archive", O_RDONLY|O_NOCTTY|O_CLOEXEC);
if (fd < 0) {
log_error("Failed to open locale archive: %m");
r = -errno;
goto finish;
}
if (fstat(fd, &st) < 0) {
log_error("fstat() failed: %m");
r = -errno;
goto finish;
}
if (!S_ISREG(st.st_mode)) {
log_error("Archive file is not regular");
r = -EBADMSG;
goto finish;
}
if (st.st_size < (off_t) sizeof(struct locarhead)) {
log_error("Archive has invalid size");
r = -EBADMSG;
goto finish;
}
p = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
if (p == MAP_FAILED) {
log_error("Failed to map archive: %m");
r = -errno;
goto finish;
}
h = (const struct locarhead *) p;
if (h->magic != 0xde020109 ||
h->namehash_offset + h->namehash_size > st.st_size ||
h->string_offset + h->string_size > st.st_size ||
h->locrectab_offset + h->locrectab_size > st.st_size ||
h->sumhash_offset + h->sumhash_size > st.st_size) {
log_error("Invalid archive file.");
r = -EBADMSG;
goto finish;
}
e = (const struct namehashent*) ((const uint8_t*) p + h->namehash_offset);
for (i = 0; i < h->namehash_size; i++) {
char *z;
if (e[i].locrec_offset == 0)
continue;
z = strdup((char*) p + e[i].name_offset);
if (!z) {
r = log_oom();
goto finish;
}
r = set_put(locales, z);
if (r < 0) {
free(z);
log_error("Failed to add locale: %s", strerror(-r));
goto finish;
}
}
l = set_get_strv(locales);
if (!l) {
r = log_oom();
goto finish;
}
set_free(locales);
locales = NULL;
strv_sort(l);
pager_open_if_enabled();
STRV_FOREACH(j, l)
puts(*j);
r = 0;
finish:
if (p != MAP_FAILED)
munmap((void*) p, sz);
set_free_free(locales);
return r;
}
static int list_x11_keymaps(sd_bus *bus, char **args, unsigned n) {
_cleanup_fclose_ FILE *f = NULL;
_cleanup_strv_free_ char **list = NULL;
char line[LINE_MAX];
enum {
NONE,
MODELS,
LAYOUTS,
VARIANTS,
OPTIONS
} state = NONE, look_for;
int r;
if (n > 2) {
log_error("Too many arguments.");
return -EINVAL;
}
f = fopen("/usr/share/X11/xkb/rules/base.lst", "re");
if (!f) {
log_error("Failed to open keyboard mapping list. %m");
return -errno;
}
if (streq(args[0], "list-x11-keymap-models"))
look_for = MODELS;
else if (streq(args[0], "list-x11-keymap-layouts"))
look_for = LAYOUTS;
else if (streq(args[0], "list-x11-keymap-variants"))
look_for = VARIANTS;
else if (streq(args[0], "list-x11-keymap-options"))
look_for = OPTIONS;
else
assert_not_reached("Wrong parameter");
FOREACH_LINE(line, f, break) {
char *l, *w;
l = strstrip(line);
if (isempty(l))
continue;
if (l[0] == '!') {
if (startswith(l, "! model"))
state = MODELS;
else if (startswith(l, "! layout"))
state = LAYOUTS;
else if (startswith(l, "! variant"))
state = VARIANTS;
else if (startswith(l, "! option"))
state = OPTIONS;
else
state = NONE;
continue;
}
if (state != look_for)
continue;
w = l + strcspn(l, WHITESPACE);
if (n > 1) {
char *e;
if (*w == 0)
continue;
*w = 0;
w++;
w += strspn(w, WHITESPACE);
e = strchr(w, ':');
if (!e)
continue;
*e = 0;
if (!streq(w, args[1]))
continue;
} else
*w = 0;
r = strv_extend(&list, l);
if (r < 0)
return log_oom();
}
if (strv_isempty(list)) {
log_error("Couldn't find any entries.");
return -ENOENT;
}
strv_sort(list);
strv_uniq(list);
pager_open_if_enabled();
strv_print(list);
return 0;
}
static int list_timezones(DBusConnection *bus, char **args, unsigned n) {
_cleanup_fclose_ FILE *f = NULL;
_cleanup_strv_free_ char **zones = NULL;
size_t n_zones = 0;
char **i;
assert(args);
assert(n == 1);
f = fopen("/usr/share/zoneinfo/zone.tab", "re");
if (!f) {
log_error("Failed to open timezone database: %m");
return -errno;
}
for (;;) {
char l[LINE_MAX], *p, **z, *w;
size_t k;
if (!fgets(l, sizeof(l), f)) {
if (feof(f))
break;
log_error("Failed to read timezone database: %m");
return -errno;
}
p = strstrip(l);
if (isempty(p) || *p == '#')
continue;
/* Skip over country code */
p += strcspn(p, WHITESPACE);
p += strspn(p, WHITESPACE);
/* Skip over coordinates */
p += strcspn(p, WHITESPACE);
p += strspn(p, WHITESPACE);
/* Found timezone name */
k = strcspn(p, WHITESPACE);
if (k <= 0)
continue;
w = strndup(p, k);
if (!w)
return log_oom();
z = realloc(zones, sizeof(char*) * (n_zones + 2));
if (!z) {
free(w);
return log_oom();
}
zones = z;
zones[n_zones++] = w;
}
if (zones)
zones[n_zones] = NULL;
pager_open_if_enabled();
strv_sort(zones);
STRV_FOREACH(i, zones)
puts(*i);
return 0;
}
