static int load_env_file_push_pairs(
const char *filename, unsigned line,
const char *key, char *value,
void *userdata,
int *n_pushed) {
char ***m = userdata;
int r;
r = check_utf8ness_and_warn(filename, line, key, value);
if (r < 0)
return r;
r = strv_extend(m, key);
if (r < 0)
return -ENOMEM;
if (!value) {
r = strv_extend(m, "");
if (r < 0)
return -ENOMEM;
} else {
r = strv_push(m, value);
if (r < 0)
return r;
}
if (n_pushed)
(*n_pushed)++;
return 0;
}
static int slice_enumerate(Manager *m) {
Unit *u;
int r;
assert(m);
u = manager_get_unit(m, SPECIAL_ROOT_SLICE);
if (!u) {
u = unit_new(m, sizeof(Slice));
if (!u)
return log_oom();
r = unit_add_name(u, SPECIAL_ROOT_SLICE);
if (r < 0) {
unit_free(u);
return log_error_errno(r, "Failed to add -.slice name");
}
}
u->default_dependencies = false;
u->no_gc = true;
SLICE(u)->deserialized_state = SLICE_ACTIVE;
if (!u->description)
u->description = strdup("Root Slice");
if (!u->documentation)
(void) strv_extend(&u->documentation, "man:systemd.special(7)");
unit_add_to_load_queue(u);
unit_add_to_dbus_queue(u);
return 0;
}
static int scope_load_init_scope(Unit *u) {
assert(u);
if (!unit_has_name(u, SPECIAL_INIT_SCOPE))
return 0;
u->transient = true;
u->perpetual = true;
/* init.scope is a bit special, as it has to stick around forever. Because of its special semantics we
* synthesize it here, instead of relying on the unit file on disk. */
u->default_dependencies = false;
u->ignore_on_isolate = true;
SCOPE(u)->kill_context.kill_signal = SIGRTMIN+14;
/* Prettify things, if we can. */
if (!u->description)
u->description = strdup("System and Service Manager");
if (!u->documentation)
(void) strv_extend(&u->documentation, "man:systemd(1)");
return 1;
}
static int list_dependencies_one(sd_bus *bus, const char *name, unsigned int level, char ***units,
unsigned int branches) {
_cleanup_strv_free_ char **deps = NULL;
char **c;
int r = 0;
usec_t service_longest = 0;
int to_print = 0;
struct unit_times *times;
struct boot_times *boot;
if (strv_extend(units, name))
return log_oom();
r = list_dependencies_get_dependencies(bus, name, &deps);
if (r < 0)
return r;
qsort_safe(deps, strv_length(deps), sizeof (char*), list_dependencies_compare);
r = acquire_boot_times(bus, &boot);
if (r < 0)
return r;
STRV_FOREACH(c, deps) {
times = hashmap_get(unit_times_hashmap, *c);
if (times
&& times->activated
&& times->activated <= boot->finish_time
&& (times->activated >= service_longest
|| service_longest == 0)) {
service_longest = times->activated;
break;
}
}
int config_parse_syscall_filter(
const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
Settings *settings = data;
bool negative;
const char *items;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
negative = rvalue[0] == '~';
items = negative ? rvalue + 1 : rvalue;
for (;;) {
_cleanup_free_ char *word = NULL;
r = extract_first_word(&items, &word, NULL, 0);
if (r == 0)
break;
if (r == -ENOMEM)
return log_oom();
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse SystemCallFilter= parameter %s, ignoring: %m", rvalue);
return 0;
}
if (negative)
r = strv_extend(&settings->syscall_blacklist, word);
else
r = strv_extend(&settings->syscall_whitelist, word);
if (r < 0)
return log_oom();
}
return 0;
}
static int iterate_dir(
const char *path,
UnitDependency dependency,
dependency_consumer_t consumer,
void *arg,
char ***strv) {
_cleanup_closedir_ DIR *d = NULL;
int r;
assert(path);
/* The config directories are special, since the order of the
* drop-ins matters */
if (dependency < 0) {
r = strv_extend(strv, path);
if (r < 0)
return log_oom();
return 0;
}
assert(consumer);
d = opendir(path);
if (!d) {
if (errno == ENOENT)
return 0;
log_error_errno(errno, "Failed to open directory %s: %m", path);
return -errno;
}
for (;;) {
struct dirent *de;
_cleanup_free_ char *f = NULL;
errno = 0;
de = readdir(d);
if (!de && errno != 0)
return log_error_errno(errno, "Failed to read directory %s: %m", path);
if (!de)
break;
if (hidden_file(de->d_name))
continue;
f = strjoin(path, "/", de->d_name, NULL);
if (!f)
return log_oom();
r = consumer(dependency, de->d_name, f, arg);
if (r < 0)
return r;
}
return 0;
}
int strv_extend_strv(char ***a, char **b) {
int r;
char **s;
STRV_FOREACH(s, b) {
r = strv_extend(a, *s);
if (r < 0)
return r;
}
static int load_env_file_push_pairs(
const char *filename, unsigned line,
const char *key, char *value,
void *userdata,
int *n_pushed) {
char ***m = userdata;
int r;
if (!utf8_is_valid(key)) {
_cleanup_free_ char *t = utf8_escape_invalid(key);
log_error("%s:%u: invalid UTF-8 for key '%s', ignoring.", strna(filename), line, t);
return -EINVAL;
}
if (value && !utf8_is_valid(value)) {
_cleanup_free_ char *t = utf8_escape_invalid(value);
log_error("%s:%u: invalid UTF-8 value for key %s: '%s', ignoring.", strna(filename), line, key, t);
return -EINVAL;
}
r = strv_extend(m, key);
if (r < 0)
return -ENOMEM;
if (!value) {
r = strv_extend(m, "");
if (r < 0)
return -ENOMEM;
} else {
r = strv_push(m, value);
if (r < 0)
return r;
}
if (n_pushed)
(*n_pushed)++;
return 0;
}
static int parse_proc_cmdline_item(const char *key, const char *value) {
int r;
if (STR_IN_SET(key, "luks", "rd.luks") && value) {
r = parse_boolean(value);
if (r < 0)
log_warning("Failed to parse luks switch %s. Ignoring.", value);
else
arg_enabled = r;
} else if (STR_IN_SET(key, "luks.crypttab", "rd.luks.crypttab") && value) {
r = parse_boolean(value);
if (r < 0)
log_warning("Failed to parse luks crypttab switch %s. Ignoring.", value);
else
arg_read_crypttab = r;
} else if (STR_IN_SET(key, "luks.uuid", "rd.luks.uuid") && value) {
if (strv_extend(&arg_disks, value) < 0)
return log_oom();
} else if (STR_IN_SET(key, "luks.options", "rd.luks.options") && value) {
if (strv_extend(&arg_options, value) < 0)
return log_oom();
} else if (STR_IN_SET(key, "luks.key", "rd.luks.key") && value) {
free(arg_keyfile);
arg_keyfile = strdup(value);
if (!arg_keyfile)
return log_oom();
} else if (startswith(key, "luks.") || startswith(key, "rd.luks."))
log_warning("Unknown kernel switch %s. Ignoring.", key);
return 0;
}
int config_parse_strv(const char *unit,
const char *filename,
unsigned line,
const char *section,
unsigned section_line,
const char *lvalue,
int ltype,
const char *rvalue,
void *data,
void *userdata) {
char *** sv = data, *w, *state;
size_t l;
int r;
assert(filename);
assert(lvalue);
assert(rvalue);
assert(data);
if (isempty(rvalue)) {
char **empty;
/* Empty assignment resets the list. As a special rule
* we actually fill in a real empty array here rather
* than NULL, since some code wants to know if
* something was set at all... */
empty = strv_new(NULL, NULL);
if (!empty)
return log_oom();
strv_free(*sv);
*sv = empty;
return 0;
}
FOREACH_WORD_QUOTED(w, l, rvalue, state) {
_cleanup_free_ char *n;
n = cunescape_length(w, l);
if (!n)
return log_oom();
if (!utf8_is_valid(n)) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"String is not UTF-8 clean, ignoring: %s", rvalue);
continue;
}
r = strv_extend(sv, n);
if (r < 0)
return log_oom();
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "quiet", no_argument, NULL, 'q' },
{ "interface", required_argument, NULL, 'i' },
{}
};
int c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "+hiq", options, NULL)) >= 0)
switch (c) {
case 'h':
help();
return 0;
case 'q':
arg_quiet = true;
break;
case ARG_VERSION:
puts(PACKAGE_STRING);
puts(SYSTEMD_FEATURES);
return 0;
case 'i':
if (strv_extend(&arg_interfaces, optarg) < 0)
return log_oom();
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
return 1;
}
static void add_structured_data_param(struct list_head *ls, const char *param)
{
struct structured_data *sd;
if (list_empty(ls))
errx(EXIT_FAILURE, _("--sd-id was not specified for --sd-param %s"), param);
assert(param);
sd = list_last_entry(ls, struct structured_data, sds);
if (strv_extend(&sd->params, param))
err_oom();
}
static void scope_enumerate(Manager *m) {
Unit *u;
int r;
assert(m);
/* Let's unconditionally add the "init.scope" special unit
* that encapsulates PID 1. Note that PID 1 already is in the
* cgroup for this, we hence just need to allocate the object
* for it and that's it. */
u = manager_get_unit(m, SPECIAL_INIT_SCOPE);
if (!u) {
u = unit_new(m, sizeof(Scope));
if (!u) {
log_oom();
return;
}
r = unit_add_name(u, SPECIAL_INIT_SCOPE);
if (r < 0) {
unit_free(u);
log_error_errno(r, "Failed to add init.scope name");
return;
}
}
u->transient = true;
u->default_dependencies = false;
u->no_gc = true;
u->ignore_on_isolate = true;
u->refuse_manual_start = true;
u->refuse_manual_stop = true;
SCOPE(u)->deserialized_state = SCOPE_RUNNING;
SCOPE(u)->kill_context.kill_signal = SIGRTMIN+14;
/* Prettify things, if we can. */
if (!u->description)
u->description = strdup("System and Service Manager");
if (!u->documentation)
(void) strv_extend(&u->documentation, "man:systemd(1)");
unit_add_to_load_queue(u);
unit_add_to_dbus_queue(u);
}
static int spawn_getter(const char *getter, const char *url) {
int r;
_cleanup_strv_free_ char **words = NULL;
assert(getter);
r = strv_split_quoted(&words, getter, false);
if (r < 0)
return log_error_errno(r, "Failed to split getter option: %m");
r = strv_extend(&words, url);
if (r < 0)
return log_error_errno(r, "Failed to create command line: %m");
r = spawn_child(words[0], words);
if (r < 0)
log_error_errno(errno, "Failed to spawn getter %s: %m", getter);
return r;
}
static int prop_map_sessions_strv(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) {
const char *name;
int r;
assert(bus);
assert(m);
r = sd_bus_message_enter_container(m, 'a', "(so)");
if (r < 0)
return r;
while ((r = sd_bus_message_read(m, "(so)", &name, NULL)) > 0) {
r = strv_extend(userdata, name);
if (r < 0)
return r;
}
if (r < 0)
return r;
return sd_bus_message_exit_container(m);
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
ARG_ADJUST_SYSTEM_CLOCK,
ARG_NO_ASK_PASSWORD,
ARG_MONITOR,
ARG_VALUE,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
{ "adjust-system-clock", no_argument, NULL, ARG_ADJUST_SYSTEM_CLOCK },
{ "monitor", no_argument, NULL, ARG_MONITOR },
{ "property", required_argument, NULL, 'p' },
{ "all", no_argument, NULL, 'a' },
{ "value", no_argument, NULL, ARG_VALUE },
{}
};
int c, r;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "hH:M:p:a", options, NULL)) >= 0)
switch (c) {
case 'h':
return help();
case ARG_VERSION:
return version();
case 'H':
arg_transport = BUS_TRANSPORT_REMOTE;
arg_host = optarg;
break;
case 'M':
arg_transport = BUS_TRANSPORT_MACHINE;
arg_host = optarg;
break;
case ARG_NO_ASK_PASSWORD:
arg_ask_password = false;
break;
case ARG_ADJUST_SYSTEM_CLOCK:
arg_adjust_system_clock = true;
break;
case ARG_NO_PAGER:
arg_pager_flags |= PAGER_DISABLE;
break;
case ARG_MONITOR:
arg_monitor = true;
break;
case 'p': {
r = strv_extend(&arg_property, optarg);
if (r < 0)
return log_oom();
/* If the user asked for a particular
* property, show it to him, even if it is
* empty. */
arg_all = true;
break;
}
case 'a':
arg_all = true;
break;
case ARG_VALUE:
arg_value = true;
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
return 1;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_ASK_PASSWORD,
ARG_USER,
ARG_SYSTEM,
ARG_SCOPE,
ARG_UNIT,
ARG_DESCRIPTION,
ARG_SLICE,
ARG_SEND_SIGHUP,
ARG_EXEC_USER,
ARG_EXEC_GROUP,
ARG_SERVICE_TYPE,
ARG_NICE,
ARG_SETENV,
ARG_TTY,
ARG_ON_ACTIVE,
ARG_ON_BOOT,
ARG_ON_STARTUP,
ARG_ON_UNIT_ACTIVE,
ARG_ON_UNIT_INACTIVE,
ARG_ON_CALENDAR,
ARG_TIMER_PROPERTY,
ARG_NO_BLOCK,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "user", no_argument, NULL, ARG_USER },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "scope", no_argument, NULL, ARG_SCOPE },
{ "unit", required_argument, NULL, ARG_UNIT },
{ "description", required_argument, NULL, ARG_DESCRIPTION },
{ "slice", required_argument, NULL, ARG_SLICE },
{ "remain-after-exit", no_argument, NULL, 'r' },
{ "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
{ "service-type", required_argument, NULL, ARG_SERVICE_TYPE },
{ "uid", required_argument, NULL, ARG_EXEC_USER },
{ "gid", required_argument, NULL, ARG_EXEC_GROUP },
{ "nice", required_argument, NULL, ARG_NICE },
{ "setenv", required_argument, NULL, ARG_SETENV },
{ "property", required_argument, NULL, 'p' },
{ "tty", no_argument, NULL, 't' },
{ "quiet", no_argument, NULL, 'q' },
{ "on-active", required_argument, NULL, ARG_ON_ACTIVE },
{ "on-boot", required_argument, NULL, ARG_ON_BOOT },
{ "on-startup", required_argument, NULL, ARG_ON_STARTUP },
{ "on-unit-active", required_argument, NULL, ARG_ON_UNIT_ACTIVE },
{ "on-unit-inactive", required_argument, NULL, ARG_ON_UNIT_INACTIVE },
{ "on-calendar", required_argument, NULL, ARG_ON_CALENDAR },
{ "timer-property", required_argument, NULL, ARG_TIMER_PROPERTY },
{ "no-block", no_argument, NULL, ARG_NO_BLOCK },
{ "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD },
{},
};
int r, c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "+hrH:M:p:tq", options, NULL)) >= 0)
switch (c) {
case 'h':
help();
return 0;
case ARG_NO_ASK_PASSWORD:
arg_ask_password = false;
break;
case ARG_VERSION:
return version();
case ARG_USER:
arg_user = true;
break;
case ARG_SYSTEM:
arg_user = false;
break;
case ARG_SCOPE:
arg_scope = true;
break;
case ARG_UNIT:
arg_unit = optarg;
break;
case ARG_DESCRIPTION:
arg_description = optarg;
break;
case ARG_SLICE:
arg_slice = optarg;
break;
case ARG_SEND_SIGHUP:
arg_send_sighup = true;
break;
case 'r':
arg_remain_after_exit = true;
break;
case 'H':
arg_transport = BUS_TRANSPORT_REMOTE;
arg_host = optarg;
break;
case 'M':
arg_transport = BUS_TRANSPORT_MACHINE;
arg_host = optarg;
break;
case ARG_SERVICE_TYPE:
arg_service_type = optarg;
break;
case ARG_EXEC_USER:
arg_exec_user = optarg;
break;
case ARG_EXEC_GROUP:
arg_exec_group = optarg;
break;
case ARG_NICE:
r = safe_atoi(optarg, &arg_nice);
if (r < 0 || arg_nice < PRIO_MIN || arg_nice >= PRIO_MAX) {
log_error("Failed to parse nice value");
return -EINVAL;
}
arg_nice_set = true;
break;
case ARG_SETENV:
if (strv_extend(&arg_environment, optarg) < 0)
return log_oom();
break;
case 'p':
if (strv_extend(&arg_property, optarg) < 0)
return log_oom();
break;
case 't':
arg_pty = true;
break;
case 'q':
arg_quiet = true;
break;
case ARG_ON_ACTIVE:
r = parse_sec(optarg, &arg_on_active);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_BOOT:
r = parse_sec(optarg, &arg_on_boot);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_STARTUP:
r = parse_sec(optarg, &arg_on_startup);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_UNIT_ACTIVE:
r = parse_sec(optarg, &arg_on_unit_active);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_UNIT_INACTIVE:
r = parse_sec(optarg, &arg_on_unit_inactive);
if (r < 0) {
log_error("Failed to parse timer value: %s", optarg);
return r;
}
break;
case ARG_ON_CALENDAR: {
CalendarSpec *spec = NULL;
r = calendar_spec_from_string(optarg, &spec);
if (r < 0) {
log_error("Invalid calendar spec: %s", optarg);
return r;
}
calendar_spec_free(spec);
arg_on_calendar = optarg;
break;
}
case ARG_TIMER_PROPERTY:
if (strv_extend(&arg_timer_property, optarg) < 0)
return log_oom();
break;
case ARG_NO_BLOCK:
arg_no_block = true;
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
if ((optind >= argc) && (!arg_unit || !with_timer())) {
log_error("Command line to execute required.");
return -EINVAL;
}
if (arg_user && arg_transport != BUS_TRANSPORT_LOCAL) {
log_error("Execution in user context is not supported on non-local systems.");
return -EINVAL;
}
if (arg_scope && arg_transport != BUS_TRANSPORT_LOCAL) {
log_error("Scope execution is not supported on non-local systems.");
return -EINVAL;
}
if (arg_scope && (arg_remain_after_exit || arg_service_type)) {
log_error("--remain-after-exit and --service-type= are not supported in --scope mode.");
return -EINVAL;
}
if (arg_pty && (with_timer() || arg_scope)) {
log_error("--pty is not compatible in timer or --scope mode.");
return -EINVAL;
}
if (arg_pty && arg_transport == BUS_TRANSPORT_REMOTE) {
log_error("--pty is only supported when connecting to the local system or containers.");
return -EINVAL;
}
if (arg_scope && with_timer()) {
log_error("Timer options are not supported in --scope mode.");
return -EINVAL;
}
if (arg_timer_property && !with_timer()) {
log_error("--timer-property= has no effect without any other timer options.");
return -EINVAL;
}
return 1;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_ADDRESS,
ARG_CONFIGURATION,
ARG_MACHINE,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "address", required_argument, NULL, ARG_ADDRESS },
{ "configuration", required_argument, NULL, ARG_CONFIGURATION },
{ "machine", required_argument, NULL, ARG_MACHINE },
{},
};
int c, r;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
switch (c) {
case 'h':
help();
return 0;
case ARG_VERSION:
return version();
case ARG_ADDRESS:
r = free_and_strdup(&arg_address, optarg);
if (r < 0)
return log_oom();
break;
case ARG_CONFIGURATION:
r = strv_extend(&arg_configuration, optarg);
if (r < 0)
return log_oom();
break;
case ARG_MACHINE: {
_cleanup_free_ char *e = NULL;
char *a;
e = bus_address_escape(optarg);
if (!e)
return log_oom();
a = strjoin("x-machine-kernel:machine=", e, ";x-machine-unix:machine=", e, NULL);
if (!a)
return log_oom();
free(arg_address);
arg_address = a;
break;
}
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
if (argc > optind) {
log_error("Too many arguments");
return -EINVAL;
}
if (!arg_address) {
arg_address = strdup(DEFAULT_SYSTEM_BUS_ADDRESS);
if (!arg_address)
return log_oom();
}
return 1;
}
int load_env_file(const char *fname, char ***rl) {
_cleanup_fclose_ FILE *f;
_cleanup_strv_free_ char **m = NULL;
_cleanup_free_ char *c = NULL;
assert(fname);
assert(rl);
/* This reads an environment file, but will not complain about
* any invalid assignments, that needs to be done by the
* caller */
f = fopen(fname, "re");
if (!f)
return -errno;
while (!feof(f)) {
char l[LINE_MAX], *p, *cs, *b;
if (!fgets(l, sizeof(l), f)) {
if (ferror(f))
return -errno;
/* The previous line was a continuation line?
* Let's process it now, before we leave the
* loop */
if (c)
goto process;
break;
}
/* Is this a continuation line? If so, just append
* this to c, and go to next line right-away */
cs = endswith(l, "\\\n");
if (cs) {
*cs = '\0';
b = strappend(c, l);
if (!b)
return -ENOMEM;
free(c);
c = b;
continue;
}
/* If the previous line was a continuation line,
* append the current line to it */
if (c) {
b = strappend(c, l);
if (!b)
return -ENOMEM;
free(c);
c = b;
}
process:
p = strstrip(c ? c : l);
if (*p && !strchr(COMMENTS, *p)) {
_cleanup_free_ char *u;
int k;
u = normalize_env_assignment(p);
if (!u)
return -ENOMEM;
k = strv_extend(&m, u);
if (k < 0)
return -ENOMEM;
}
free(c);
c = NULL;
}
*rl = m;
m = NULL;
return 0;
}
STRV_FOREACH(filename, filenames) {
char *t;
t = dirname_malloc(*filename);
if (!t)
return -ENOMEM;
r = strv_consume(&ans, t);
if (r < 0)
return r;
}
assert_se(strv_uniq(ans));
r = strv_extend(&ans, "");
if (r < 0)
return r;
*var = strv_join(ans, ":");
if (!*var)
return -ENOMEM;
return 0;
}
static int verify_socket(Unit *u) {
int r;
assert(u);
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_USER,
ARG_SYSTEM,
ARG_SCOPE,
ARG_UNIT,
ARG_DESCRIPTION,
ARG_SLICE,
ARG_SEND_SIGHUP,
ARG_EXEC_USER,
ARG_EXEC_GROUP,
ARG_SERVICE_TYPE,
ARG_NICE,
ARG_SETENV
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "user", no_argument, NULL, ARG_USER },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "scope", no_argument, NULL, ARG_SCOPE },
{ "unit", required_argument, NULL, ARG_UNIT },
{ "description", required_argument, NULL, ARG_DESCRIPTION },
{ "slice", required_argument, NULL, ARG_SLICE },
{ "remain-after-exit", no_argument, NULL, 'r' },
{ "send-sighup", no_argument, NULL, ARG_SEND_SIGHUP },
{ "host", required_argument, NULL, 'H' },
{ "machine", required_argument, NULL, 'M' },
{ "service-type", required_argument, NULL, ARG_SERVICE_TYPE },
{ "uid", required_argument, NULL, ARG_EXEC_USER },
{ "gid", required_argument, NULL, ARG_EXEC_GROUP },
{ "nice", required_argument, NULL, ARG_NICE },
{ "setenv", required_argument, NULL, ARG_SETENV },
{ "property", required_argument, NULL, 'p' },
{},
};
int r, c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "+hrH:M:p:", options, NULL)) >= 0) {
switch (c) {
case 'h':
return help();
case ARG_VERSION:
puts(PACKAGE_STRING);
puts(SYSTEMD_FEATURES);
return 0;
case ARG_USER:
arg_user = true;
break;
case ARG_SYSTEM:
arg_user = false;
break;
case ARG_SCOPE:
arg_scope = true;
break;
case ARG_UNIT:
arg_unit = optarg;
break;
case ARG_DESCRIPTION:
arg_description = optarg;
break;
case ARG_SLICE:
arg_slice = optarg;
break;
case ARG_SEND_SIGHUP:
arg_send_sighup = true;
break;
case 'r':
arg_remain_after_exit = true;
break;
case 'H':
arg_transport = BUS_TRANSPORT_REMOTE;
arg_host = optarg;
break;
case 'M':
arg_transport = BUS_TRANSPORT_CONTAINER;
arg_host = optarg;
break;
case ARG_SERVICE_TYPE:
arg_service_type = optarg;
break;
case ARG_EXEC_USER:
arg_exec_user = optarg;
break;
case ARG_EXEC_GROUP:
arg_exec_group = optarg;
break;
case ARG_NICE:
r = safe_atoi(optarg, &arg_nice);
if (r < 0 || arg_nice < PRIO_MIN || arg_nice >= PRIO_MAX) {
log_error("Failed to parse nice value");
return -EINVAL;
}
arg_nice_set = true;
break;
case ARG_SETENV:
if (strv_extend(&arg_environment, optarg) < 0)
return log_oom();
break;
case 'p':
if (strv_extend(&arg_property, optarg) < 0)
return log_oom();
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unhandled option");
}
}
if (optind >= argc) {
log_error("Command line to execute required.");
return -EINVAL;
}
if (arg_user && arg_transport != BUS_TRANSPORT_LOCAL) {
log_error("Execution in user context is not supported on non-local systems.");
return -EINVAL;
}
if (arg_scope && arg_transport != BUS_TRANSPORT_LOCAL) {
log_error("Scope execution is not supported on non-local systems.");
return -EINVAL;
}
if (arg_scope && (arg_remain_after_exit || arg_service_type)) {
log_error("--remain-after-exit and --service-type= are not supported in --scope mode.");
return -EINVAL;
}
return 1;
}
static int parse_proc_cmdline(char ***arg_proc_cmdline_disks, char ***arg_proc_cmdline_options, char **arg_proc_cmdline_keyfile) {
_cleanup_free_ char *line = NULL;
char *w = NULL, *state = NULL;
int r;
size_t l;
if (detect_container(NULL) > 0)
return 0;
r = read_one_line_file("/proc/cmdline", &line);
if (r < 0) {
log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
return 0;
}
FOREACH_WORD_QUOTED(w, l, line, state) {
_cleanup_free_ char *word = NULL;
word = strndup(w, l);
if (!word)
return log_oom();
if (startswith(word, "luks=")) {
r = parse_boolean(word + 5);
if (r < 0)
log_warning("Failed to parse luks switch %s. Ignoring.", word + 5);
else
arg_enabled = r;
} else if (startswith(word, "rd.luks=")) {
if (in_initrd()) {
r = parse_boolean(word + 8);
if (r < 0)
log_warning("Failed to parse luks switch %s. Ignoring.", word + 8);
else
arg_enabled = r;
}
} else if (startswith(word, "luks.crypttab=")) {
r = parse_boolean(word + 14);
if (r < 0)
log_warning("Failed to parse luks crypttab switch %s. Ignoring.", word + 14);
else
arg_read_crypttab = r;
} else if (startswith(word, "rd.luks.crypttab=")) {
if (in_initrd()) {
r = parse_boolean(word + 17);
if (r < 0)
log_warning("Failed to parse luks crypttab switch %s. Ignoring.", word + 17);
else
arg_read_crypttab = r;
}
} else if (startswith(word, "luks.uuid=")) {
if (strv_extend(arg_proc_cmdline_disks, word + 10) < 0)
return log_oom();
} else if (startswith(word, "rd.luks.uuid=")) {
if (in_initrd()) {
if (strv_extend(arg_proc_cmdline_disks, word + 13) < 0)
return log_oom();
}
} else if (startswith(word, "luks.options=")) {
if (strv_extend(arg_proc_cmdline_options, word + 13) < 0)
return log_oom();
} else if (startswith(word, "rd.luks.options=")) {
if (in_initrd()) {
if (strv_extend(arg_proc_cmdline_options, word + 16) < 0)
return log_oom();
}
} else if (startswith(word, "luks.key=")) {
if (*arg_proc_cmdline_keyfile)
free(*arg_proc_cmdline_keyfile);
*arg_proc_cmdline_keyfile = strdup(word + 9);
if (!*arg_proc_cmdline_keyfile)
return log_oom();
} else if (startswith(word, "rd.luks.key=")) {
if (in_initrd()) {
if (*arg_proc_cmdline_keyfile)
free(*arg_proc_cmdline_keyfile);
*arg_proc_cmdline_keyfile = strdup(word + 12);
if (!*arg_proc_cmdline_keyfile)
return log_oom();
}
} else if (startswith(word, "luks.") ||
(in_initrd() && startswith(word, "rd.luks."))) {
log_warning("Unknown kernel switch %s. Ignoring.", word);
}
}
int main(int argc, char *argv[]) {
_cleanup_strv_free_ char **disks_done = NULL;
_cleanup_fclose_ FILE *f = NULL;
unsigned n = 0;
int r = EXIT_FAILURE, r2 = EXIT_FAILURE;
char **i;
if (argc > 1 && argc != 4) {
log_error("This program takes three or no arguments.");
return EXIT_FAILURE;
}
if (argc > 1)
arg_dest = argv[1];
log_set_target(LOG_TARGET_SAFE);
log_parse_environment();
log_open();
umask(0022);
if (parse_proc_cmdline(parse_proc_cmdline_item) < 0)
goto cleanup;
if (!arg_enabled) {
r = r2 = EXIT_SUCCESS;
goto cleanup;
}
strv_uniq(arg_disks);
if (arg_read_crypttab) {
struct stat st;
f = fopen("/etc/crypttab", "re");
if (!f) {
if (errno == ENOENT)
r = EXIT_SUCCESS;
else
log_error("Failed to open /etc/crypttab: %m");
goto next;
}
if (fstat(fileno(f), &st) < 0) {
log_error("Failed to stat /etc/crypttab: %m");
goto next;
}
/* If we readd support for specifying passphrases
* directly in crypttabe we should upgrade the warning
* below, though possibly only if a passphrase is
* specified directly. */
if (st.st_mode & 0005)
log_debug("/etc/crypttab is world-readable. This is usually not a good idea.");
for (;;) {
char line[LINE_MAX], *l;
_cleanup_free_ char *name = NULL, *device = NULL, *password = NULL, *options = NULL;
int k;
if (!fgets(line, sizeof(line), f))
break;
n++;
l = strstrip(line);
if (*l == '#' || *l == 0)
continue;
k = sscanf(l, "%ms %ms %ms %ms", &name, &device, &password, &options);
if (k < 2 || k > 4) {
log_error("Failed to parse /etc/crypttab:%u, ignoring.", n);
continue;
}
/*
If options are specified on the kernel commandline, let them override
the ones from crypttab.
*/
STRV_FOREACH(i, arg_options) {
_cleanup_free_ char *proc_uuid = NULL, *proc_options = NULL;
const char *p = *i;
k = sscanf(p, "%m[0-9a-fA-F-]=%ms", &proc_uuid, &proc_options);
if (k == 2 && streq(proc_uuid, device + 5)) {
free(options);
options = strdup(p);
if (!proc_options) {
log_oom();
goto cleanup;
}
}
}
if (arg_disks) {
/*
If luks UUIDs are specified on the kernel command line, use them as a filter
for /etc/crypttab and only generate units for those.
*/
STRV_FOREACH(i, arg_disks) {
_cleanup_free_ char *proc_device = NULL, *proc_name = NULL;
const char *p = *i;
if (startswith(p, "luks-"))
p += 5;
proc_name = strappend("luks-", p);
proc_device = strappend("UUID=", p);
if (!proc_name || !proc_device) {
log_oom();
goto cleanup;
}
if (streq(proc_device, device) || streq(proc_name, name)) {
if (create_disk(name, device, password, options) < 0)
goto cleanup;
if (strv_extend(&disks_done, p) < 0) {
log_oom();
goto cleanup;
}
}
}
} else if (create_disk(name, device, password, options) < 0)
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 parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_NO_PAGER,
ARG_NO_TAIL,
ARG_NEW_ID128,
ARG_ROOT,
ARG_HEADER,
ARG_FULL,
ARG_SETUP_KEYS,
ARG_INTERVAL,
ARG_VERIFY,
ARG_VERIFY_KEY,
ARG_DISK_USAGE,
ARG_SINCE,
ARG_UNTIL,
ARG_USER_UNIT,
ARG_LIST_CATALOG,
ARG_DUMP_CATALOG,
ARG_UPDATE_CATALOG
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version" , no_argument, NULL, ARG_VERSION },
{ "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "pager-end", no_argument, NULL, 'e' },
{ "follow", no_argument, NULL, 'f' },
{ "output", required_argument, NULL, 'o' },
{ "all", no_argument, NULL, 'a' },
{ "full", no_argument, NULL, ARG_FULL },
{ "lines", optional_argument, NULL, 'n' },
{ "no-tail", no_argument, NULL, ARG_NO_TAIL },
{ "new-id128", no_argument, NULL, ARG_NEW_ID128 },
{ "quiet", no_argument, NULL, 'q' },
{ "merge", no_argument, NULL, 'm' },
{ "this-boot", no_argument, NULL, 'b' },
{ "directory", required_argument, NULL, 'D' },
{ "root", required_argument, NULL, ARG_ROOT },
{ "header", no_argument, NULL, ARG_HEADER },
{ "priority", required_argument, NULL, 'p' },
{ "setup-keys", no_argument, NULL, ARG_SETUP_KEYS },
{ "interval", required_argument, NULL, ARG_INTERVAL },
{ "verify", no_argument, NULL, ARG_VERIFY },
{ "verify-key", required_argument, NULL, ARG_VERIFY_KEY },
{ "disk-usage", no_argument, NULL, ARG_DISK_USAGE },
{ "cursor", required_argument, NULL, 'c' },
{ "since", required_argument, NULL, ARG_SINCE },
{ "until", required_argument, NULL, ARG_UNTIL },
{ "unit", required_argument, NULL, 'u' },
{ "user-unit", required_argument, NULL, ARG_USER_UNIT },
{ "field", required_argument, NULL, 'F' },
{ "catalog", no_argument, NULL, 'x' },
{ "list-catalog", no_argument, NULL, ARG_LIST_CATALOG },
{ "dump-catalog", no_argument, NULL, ARG_DUMP_CATALOG },
{ "update-catalog",no_argument, NULL, ARG_UPDATE_CATALOG },
{ "reverse", no_argument, NULL, 'r' },
{ NULL, 0, NULL, 0 }
};
int c, r;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "hefo:an::qmbD:p:c:u:F:xr", options, NULL)) >= 0) {
switch (c) {
case 'h':
help();
return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
puts(SYSTEMD_FEATURES);
return 0;
case ARG_NO_PAGER:
arg_no_pager = true;
break;
case 'e':
arg_pager_end = true;
if (arg_lines < 0)
arg_lines = 1000;
break;
case 'f':
arg_follow = true;
break;
case 'o':
arg_output = output_mode_from_string(optarg);
if (arg_output < 0) {
log_error("Unknown output format '%s'.", optarg);
return -EINVAL;
}
if (arg_output == OUTPUT_EXPORT ||
arg_output == OUTPUT_JSON ||
arg_output == OUTPUT_JSON_PRETTY ||
arg_output == OUTPUT_JSON_SSE ||
arg_output == OUTPUT_CAT)
arg_quiet = true;
break;
case ARG_FULL:
arg_full = true;
break;
case 'a':
arg_all = true;
break;
case 'n':
if (optarg) {
r = safe_atoi(optarg, &arg_lines);
if (r < 0 || arg_lines < 0) {
log_error("Failed to parse lines '%s'", optarg);
return -EINVAL;
}
} else {
int n;
/* Hmm, no argument? Maybe the next
* word on the command line is
* supposed to be the argument? Let's
* see if there is one, and is
* parsable as a positive
* integer... */
if (optind < argc &&
safe_atoi(argv[optind], &n) >= 0 &&
n >= 0) {
arg_lines = n;
optind++;
} else
arg_lines = 10;
}
break;
case ARG_NO_TAIL:
arg_no_tail = true;
break;
case ARG_NEW_ID128:
arg_action = ACTION_NEW_ID128;
break;
case 'q':
arg_quiet = true;
break;
case 'm':
arg_merge = true;
break;
case 'b':
arg_this_boot = true;
break;
case 'D':
arg_directory = optarg;
break;
case ARG_ROOT:
arg_root = optarg;
break;
case 'c':
arg_cursor = optarg;
break;
case ARG_HEADER:
arg_action = ACTION_PRINT_HEADER;
break;
case ARG_VERIFY:
arg_action = ACTION_VERIFY;
break;
case ARG_DISK_USAGE:
arg_action = ACTION_DISK_USAGE;
break;
#ifdef HAVE_GCRYPT
case ARG_SETUP_KEYS:
arg_action = ACTION_SETUP_KEYS;
break;
case ARG_VERIFY_KEY:
arg_action = ACTION_VERIFY;
arg_verify_key = optarg;
arg_merge = false;
break;
case ARG_INTERVAL:
r = parse_sec(optarg, &arg_interval);
if (r < 0 || arg_interval <= 0) {
log_error("Failed to parse sealing key change interval: %s", optarg);
return -EINVAL;
}
break;
#else
case ARG_SETUP_KEYS:
case ARG_VERIFY_KEY:
case ARG_INTERVAL:
log_error("Forward-secure sealing not available.");
return -ENOTSUP;
#endif
case 'p': {
const char *dots;
dots = strstr(optarg, "..");
if (dots) {
char *a;
int from, to, i;
/* a range */
a = strndup(optarg, dots - optarg);
if (!a)
return log_oom();
from = log_level_from_string(a);
to = log_level_from_string(dots + 2);
free(a);
if (from < 0 || to < 0) {
log_error("Failed to parse log level range %s", optarg);
return -EINVAL;
}
arg_priorities = 0;
if (from < to) {
for (i = from; i <= to; i++)
arg_priorities |= 1 << i;
} else {
for (i = to; i <= from; i++)
arg_priorities |= 1 << i;
}
} else {
int p, i;
p = log_level_from_string(optarg);
if (p < 0) {
log_error("Unknown log level %s", optarg);
return -EINVAL;
}
arg_priorities = 0;
for (i = 0; i <= p; i++)
arg_priorities |= 1 << i;
}
break;
}
case ARG_SINCE:
r = parse_timestamp(optarg, &arg_since);
if (r < 0) {
log_error("Failed to parse timestamp: %s", optarg);
return -EINVAL;
}
arg_since_set = true;
break;
case ARG_UNTIL:
r = parse_timestamp(optarg, &arg_until);
if (r < 0) {
log_error("Failed to parse timestamp: %s", optarg);
return -EINVAL;
}
arg_until_set = true;
break;
case 'u':
r = strv_extend(&arg_system_units, optarg);
if (r < 0)
return log_oom();
break;
case ARG_USER_UNIT:
r = strv_extend(&arg_user_units, optarg);
if (r < 0)
return log_oom();
break;
case '?':
return -EINVAL;
case 'F':
arg_field = optarg;
break;
case 'x':
arg_catalog = true;
break;
case ARG_LIST_CATALOG:
arg_action = ACTION_LIST_CATALOG;
break;
case ARG_DUMP_CATALOG:
arg_action = ACTION_DUMP_CATALOG;
break;
case ARG_UPDATE_CATALOG:
arg_action = ACTION_UPDATE_CATALOG;
break;
case 'r':
arg_reverse = true;
break;
default:
log_error("Unknown option code %c", c);
return -EINVAL;
}
}
if (arg_follow && !arg_no_tail && arg_lines < 0)
arg_lines = 10;
if (arg_since_set && arg_until_set && arg_since > arg_until) {
log_error("--since= must be before --until=.");
return -EINVAL;
}
if (arg_cursor && arg_since_set) {
log_error("Please specify either --since= or --cursor=, not both.");
return -EINVAL;
}
if (arg_follow && arg_reverse) {
log_error("Please specify either --reverse= or --follow=, not both.");
return -EINVAL;
}
return 1;
}
