-/*-*- Mode: C; c-basic-offset: 8 -*-*/
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
#include <unistd.h>
#include <fcntl.h>
#include <sys/socket.h>
+#include <sys/stat.h>
#include <dbus/dbus.h>
#include "cgroup-show.h"
#include "cgroup-util.h"
#include "list.h"
+#include "path-lookup.h"
+#include "conf-parser.h"
+#include "sd-daemon.h"
+#include "shutdownd.h"
+#include "exit-status.h"
static const char *arg_type = NULL;
-static const char *arg_property = NULL;
+static char **arg_property = NULL;
static bool arg_all = false;
static bool arg_fail = false;
static bool arg_session = false;
-static bool arg_no_block = false;
+static bool arg_global = false;
static bool arg_immediate = false;
+static bool arg_no_block = false;
static bool arg_no_wtmp = false;
static bool arg_no_sync = false;
static bool arg_no_wall = false;
+static bool arg_no_reload = false;
static bool arg_dry = false;
static bool arg_quiet = false;
+static bool arg_full = false;
+static bool arg_force = false;
+static bool arg_defaults = false;
+static bool arg_sysv_compat = false; /* this is undocumented, and
+ * exists simply to make
+ * implementation of SysV
+ * compatible shell glue
+ * easier */
static char **arg_wall = NULL;
-enum action {
+static usec_t arg_when = 0;
+static enum action {
ACTION_INVALID,
ACTION_SYSTEMCTL,
ACTION_HALT,
ACTION_RELOAD,
ACTION_REEXEC,
ACTION_RUNLEVEL,
+ ACTION_CANCEL_SHUTDOWN,
_ACTION_MAX
} arg_action = ACTION_SYSTEMCTL;
+static enum dot {
+ DOT_ALL,
+ DOT_ORDER,
+ DOT_REQUIRE
+} arg_dot = DOT_ALL;
static bool private_bus = false;
-static bool error_is_no_service(DBusError *error) {
+static int daemon_reload(DBusConnection *bus, char **args, unsigned n);
+
+static bool on_tty(void) {
+ static int t = -1;
+
+ if (_unlikely_(t < 0))
+ t = isatty(STDOUT_FILENO) > 0;
+
+ return t;
+}
+
+static const char *ansi_highlight(bool b) {
+
+ if (!on_tty())
+ return "";
+ return b ? ANSI_HIGHLIGHT_ON : ANSI_HIGHLIGHT_OFF;
+}
+
+static const char *ansi_highlight_green(bool b) {
+
+ if (!on_tty())
+ return "";
+
+ return b ? ANSI_HIGHLIGHT_GREEN_ON : ANSI_HIGHLIGHT_OFF;
+}
+
+static bool error_is_no_service(const DBusError *error) {
assert(error);
if (!dbus_error_is_set(error))
utmp_wall(table[action]);
}
+struct unit_info {
+ const char *id;
+ const char *description;
+ const char *load_state;
+ const char *active_state;
+ const char *sub_state;
+ const char *following;
+ const char *unit_path;
+ uint32_t job_id;
+ const char *job_type;
+ const char *job_path;
+};
+
+static int compare_unit_info(const void *a, const void *b) {
+ const char *d1, *d2;
+ const struct unit_info *u = a, *v = b;
+
+ d1 = strrchr(u->id, '.');
+ d2 = strrchr(v->id, '.');
+
+ if (d1 && d2) {
+ int r;
+
+ if ((r = strcasecmp(d1, d2)) != 0)
+ return r;
+ }
+
+ return strcasecmp(u->id, v->id);
+}
+
static int list_units(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
int r;
DBusMessageIter iter, sub, sub2;
- unsigned k = 0;
+ unsigned c = 0, k, n_units = 0;
+ struct unit_info *unit_infos = NULL;
dbus_error_init(&error);
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
dbus_message_iter_recurse(&iter, &sub);
- printf("%-45s %-6s %-12s %-12s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
-
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *id, *description, *load_state, *active_state, *sub_state, *unit_state, *job_type, *job_path, *dot;
- uint32_t job_id;
+ struct unit_info *u;
if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
log_error("Failed to parse reply.");
goto finish;
}
+ if (c >= n_units) {
+ struct unit_info *w;
+
+ n_units = MAX(2*c, 16);
+ w = realloc(unit_infos, sizeof(struct unit_info) * n_units);
+
+ if (!w) {
+ log_error("Failed to allocate unit array.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ unit_infos = w;
+ }
+
+ u = unit_infos+c;
+
dbus_message_iter_recurse(&sub, &sub2);
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_state, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &job_id, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &job_type, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, false) < 0) {
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->id, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->description, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->load_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->active_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->sub_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->following, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->unit_path, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &u->job_id, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &u->job_type, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &u->job_path, false) < 0) {
log_error("Failed to parse reply.");
r = -EIO;
goto finish;
}
- if ((!arg_type || ((dot = strrchr(id, '.')) &&
- streq(dot+1, arg_type))) &&
- (arg_all || !streq(active_state, "inactive"))) {
+ dbus_message_iter_next(&sub);
+ c++;
+ }
+
+ qsort(unit_infos, c, sizeof(struct unit_info), compare_unit_info);
+
+ if (isatty(STDOUT_FILENO)) {
+ if (columns() >= 80+12 || arg_full)
+ printf("%-25s %-6s %-12s %-18s %-15s %s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB", "DESCRIPTION");
+ else
+ printf("%-25s %-6s %-12s %-18s %-15s\n", "UNIT", "LOAD", "ACTIVE", "SUB", "JOB");
+ }
+ for (k = 0; k < c; k++) {
+ const char *dot;
+ struct unit_info *u = unit_infos+k;
+
+ if ((!arg_type || ((dot = strrchr(u->id, '.')) &&
+ streq(dot+1, arg_type))) &&
+ (arg_all || !(streq(u->active_state, "inactive") || u->following[0]) || u->job_id > 0)) {
+ char *e;
int a = 0, b = 0;
+ const char *on_loaded, *off_loaded;
+ const char *on_active, *off_active;
+
+ if (!streq(u->load_state, "loaded")) {
+ on_loaded = ansi_highlight(true);
+ off_loaded = ansi_highlight(false);
+ } else
+ on_loaded = off_loaded = "";
+
+ if (streq(u->active_state, "failed")) {
+ on_active = ansi_highlight(true);
+ off_active = ansi_highlight(false);
+ } else
+ on_active = off_active = "";
+
+ e = arg_full ? NULL : ellipsize(u->id, 25, 33);
+
+ printf("%-25s %s%-6s%s %s%-12s %-18s%s%n",
+ e ? e : u->id,
+ on_loaded, u->load_state, off_loaded,
+ on_active, u->active_state, u->sub_state, off_active,
+ &a);
- if (streq(active_state, "maintenance"))
- fputs(ANSI_HIGHLIGHT_ON, stdout);
+ free(e);
- printf("%-45s %-6s %-12s %-12s%n", id, load_state, active_state, sub_state, &a);
+ a -= strlen(on_loaded) + strlen(off_loaded);
+ a -= strlen(on_active) + strlen(off_active);
- if (job_id != 0)
- printf(" %-15s%n", job_type, &b);
+ if (u->job_id != 0)
+ printf(" %-15s%n", u->job_type, &b);
else
b = 1 + 15;
- if (a + b + 2 < columns()) {
- if (job_id == 0)
+ if (a + b + 1 < columns()) {
+ if (u->job_id == 0)
printf(" ");
- printf(" %.*s", columns() - a - b - 2, description);
+ if (arg_full)
+ printf(" %s", u->description);
+ else
+ printf(" %.*s", columns() - a - b - 1, u->description);
}
- if (streq(active_state, "maintenance"))
- fputs(ANSI_HIGHLIGHT_OFF, stdout);
-
fputs("\n", stdout);
- k++;
}
-
- dbus_message_iter_next(&sub);
}
- if (arg_all)
- printf("\n%u units listed.\n", k);
- else
- printf("\n%u live units listed. Pass --all to see dead units, too.\n", k);
+ if (isatty(STDOUT_FILENO)) {
+
+ printf("\nLOAD = Reflects whether the unit definition was properly loaded.\n"
+ "ACTIVE = The high-level unit activation state, i.e. generalization of SUB.\n"
+ "SUB = The low-level unit activation state, values depend on unit type.\n"
+ "JOB = Pending job for the unit.\n");
+
+ if (arg_all)
+ printf("\n%u units listed.\n", c);
+ else
+ printf("\n%u units listed. Pass --all to see inactive units, too.\n", c);
+ }
r = 0;
if (reply)
dbus_message_unref(reply);
+ free(unit_infos);
+
dbus_error_free(&error);
return r;
}
-static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
+static int dot_one_property(const char *name, const char *prop, DBusMessageIter *iter) {
+ static const char * const colors[] = {
+ "Requires", "[color=\"black\"]",
+ "RequiresOverridable", "[color=\"black\"]",
+ "Requisite", "[color=\"darkblue\"]",
+ "RequisiteOverridable", "[color=\"darkblue\"]",
+ "Wants", "[color=\"darkgrey\"]",
+ "Conflicts", "[color=\"red\"]",
+ "ConflictedBy", "[color=\"red\"]",
+ "After", "[color=\"green\"]"
+ };
+
+ const char *c = NULL;
+ unsigned i;
+
+ assert(name);
+ assert(prop);
+ assert(iter);
+
+ for (i = 0; i < ELEMENTSOF(colors); i += 2)
+ if (streq(colors[i], prop)) {
+ c = colors[i+1];
+ break;
+ }
+
+ if (!c)
+ return 0;
+
+ if (arg_dot != DOT_ALL)
+ if ((arg_dot == DOT_ORDER) != streq(prop, "After"))
+ return 0;
+
+ switch (dbus_message_iter_get_arg_type(iter)) {
+
+ case DBUS_TYPE_ARRAY:
+
+ if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRING) {
+ DBusMessageIter sub;
+
+ dbus_message_iter_recurse(iter, &sub);
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *s;
+
+ assert(dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING);
+ dbus_message_iter_get_basic(&sub, &s);
+ printf("\t\"%s\"->\"%s\" %s;\n", name, s, c);
+
+ dbus_message_iter_next(&sub);
+ }
+
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static int dot_one(DBusConnection *bus, const char *name, const char *path) {
DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
+ const char *interface = "org.freedesktop.systemd1.Unit";
int r;
- DBusMessageIter iter, sub, sub2;
- unsigned k = 0;
-
- dbus_error_init(&error);
+ DBusError error;
+ DBusMessageIter iter, sub, sub2, sub3;
assert(bus);
+ assert(path);
+
+ dbus_error_init(&error);
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "ListJobs"))) {
+ path,
+ "org.freedesktop.DBus.Properties",
+ "GetAll"))) {
log_error("Could not allocate message.");
- return -ENOMEM;
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
if (!dbus_message_iter_init(reply, &iter) ||
dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_DICT_ENTRY) {
log_error("Failed to parse reply.");
r = -EIO;
goto finish;
dbus_message_iter_recurse(&iter, &sub);
- printf("%4s %-45s %-17s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
-
while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *name, *type, *state, *job_path, *unit_path;
- uint32_t id;
+ const char *prop;
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_DICT_ENTRY) {
log_error("Failed to parse reply.");
r = -EIO;
goto finish;
dbus_message_iter_recurse(&sub, &sub2);
- if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &prop, true) < 0) {
log_error("Failed to parse reply.");
r = -EIO;
goto finish;
}
- printf("%4u %-45s %-17s %-7s\n", id, name, type, state);
- k++;
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub2, &sub3);
+
+ if (dot_one_property(name, prop, &sub3)) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
dbus_message_iter_next(&sub);
}
- printf("\n%u jobs listed.\n", k);
r = 0;
finish:
return r;
}
-static int load_unit(DBusConnection *bus, char **args, unsigned n) {
+static int dot(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
int r;
- unsigned i;
+ DBusMessageIter iter, sub, sub2;
dbus_error_init(&error);
assert(bus);
- assert(args);
- for (i = 1; i < n; i++) {
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListUnits"))) {
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "LoadUnit"))) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &args[i],
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ printf("digraph systemd {\n");
+
+ dbus_message_iter_recurse(&iter, &sub);
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *id, *description, *load_state, *active_state, *sub_state, *following, *unit_path;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
goto finish;
}
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &id, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &description, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &load_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &active_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &sub_state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &following, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, true) < 0) {
+ log_error("Failed to parse reply.");
r = -EIO;
goto finish;
}
- dbus_message_unref(m);
- dbus_message_unref(reply);
+ if ((r = dot_one(bus, id, unit_path)) < 0)
+ goto finish;
- m = reply = NULL;
+ /* printf("\t\"%s\";\n", id); */
+ dbus_message_iter_next(&sub);
}
+ printf("}\n");
+
+ log_info(" Color legend: black = Requires\n"
+ " dark blue = Requisite\n"
+ " dark grey = Wants\n"
+ " red = Conflicts\n"
+ " green = After\n");
+
+ if (isatty(fileno(stdout)))
+ log_notice("-- You probably want to process this output with graphviz' dot tool.\n"
+ "-- Try a shell pipeline like 'systemctl dot | dot -Tsvg > systemd.svg'!\n");
+
r = 0;
finish:
return r;
}
-static int cancel_job(DBusConnection *bus, char **args, unsigned n) {
+static int list_jobs(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
int r;
- unsigned i;
+ DBusMessageIter iter, sub, sub2;
+ unsigned k = 0;
dbus_error_init(&error);
assert(bus);
- assert(args);
-
- for (i = 1; i < n; i++) {
- unsigned id;
- const char *path;
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- "GetJob"))) {
- log_error("Could not allocate message.");
- r = -ENOMEM;
- goto finish;
- }
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ListJobs"))) {
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
- if ((r = safe_atou(args[i], &id)) < 0) {
- log_error("Failed to parse job id: %s", strerror(-r));
- goto finish;
- }
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
- assert_cc(sizeof(uint32_t) == sizeof(id));
- if (!dbus_message_append_args(m,
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (isatty(STDOUT_FILENO))
+ printf("%4s %-25s %-15s %-7s\n", "JOB", "UNIT", "TYPE", "STATE");
+
+ while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
+ const char *name, *type, *state, *job_path, *unit_path;
+ uint32_t id;
+ char *e;
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRUCT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ if (bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &id, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &name, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &type, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &state, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &job_path, true) < 0 ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &unit_path, false) < 0) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ e = arg_full ? NULL : ellipsize(name, 25, 33);
+ printf("%4u %-25s %-15s %-7s\n", id, e ? e : name, type, state);
+ free(e);
+
+ k++;
+
+ dbus_message_iter_next(&sub);
+ }
+
+ if (isatty(STDOUT_FILENO))
+ printf("\n%u jobs listed.\n", k);
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int load_unit(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ unsigned i;
+
+ dbus_error_init(&error);
+
+ assert(bus);
+ assert(args);
+
+ for (i = 1; i < n; i++) {
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "LoadUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &args[i],
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ dbus_message_unref(reply);
+
+ m = reply = NULL;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int cancel_job(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ unsigned i;
+
+ dbus_error_init(&error);
+
+ assert(bus);
+ assert(args);
+
+ if (n <= 1)
+ return daemon_reload(bus, args, n);
+
+ for (i = 1; i < n; i++) {
+ unsigned id;
+ const char *path;
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetJob"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if ((r = safe_atou(args[i], &id)) < 0) {
+ log_error("Failed to parse job id: %s", strerror(-r));
+ goto finish;
+ }
+
+ assert_cc(sizeof(uint32_t) == sizeof(id));
+ if (!dbus_message_append_args(m,
DBUS_TYPE_UINT32, &id,
DBUS_TYPE_INVALID)) {
log_error("Could not append arguments to message.");
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
if (!dbus_message_get_args(reply, &error,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
dbus_message_unref(reply);
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
return r;
}
+static bool need_daemon_reload(DBusConnection *bus, const char *unit) {
+ DBusMessage *m = NULL, *reply = NULL;
+ dbus_bool_t b = FALSE;
+ DBusMessageIter iter, sub;
+ const char
+ *interface = "org.freedesktop.systemd1.Unit",
+ *property = "NeedDaemonReload",
+ *path;
+
+ /* We ignore all errors here, since this is used to show a warning only */
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnit")))
+ goto finish;
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &unit,
+ DBUS_TYPE_INVALID))
+ goto finish;
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+ goto finish;
+
+ if (!dbus_message_get_args(reply, NULL,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID))
+ goto finish;
+
+ dbus_message_unref(m);
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ path,
+ "org.freedesktop.DBus.Properties",
+ "Get")))
+ goto finish;
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &property,
+ DBUS_TYPE_INVALID)) {
+ goto finish;
+ }
+
+ dbus_message_unref(reply);
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, NULL)))
+ goto finish;
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT)
+ goto finish;
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
+ goto finish;
+
+ dbus_message_iter_get_basic(&sub, &b);
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ return b;
+}
+
typedef struct WaitData {
Set *set;
bool failed;
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_BOOLEAN, &success,
DBUS_TYPE_INVALID))
- log_error("Failed to parse message: %s", error.message);
+ log_error("Failed to parse message: %s", bus_error_message(&error));
else {
char *p;
&error);
if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
+ log_error("Failed to add match: %s", bus_error_message(&error));
dbus_error_free(&error);
return -EIO;
}
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
+ const char *path;
int r;
assert(bus);
goto finish;
}
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_get_args(reply, &error,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
+ if (need_daemon_reload(bus, name))
+ log_warning("Unit file of created job changed on disk, 'systemctl %s daemon-reload' recommended.",
+ arg_session ? "--session" : "--system");
+
if (!arg_no_block) {
- const char *path;
char *p;
- if (!dbus_message_get_args(reply, &error,
- DBUS_TYPE_OBJECT_PATH, &path,
- DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
- r = -EIO;
- goto finish;
- }
-
if (!(p = strdup(path))) {
log_error("Failed to duplicate path.");
r = -ENOMEM;
[ACTION_RUNLEVEL4] = SPECIAL_RUNLEVEL4_TARGET,
[ACTION_RUNLEVEL5] = SPECIAL_RUNLEVEL5_TARGET,
[ACTION_RESCUE] = SPECIAL_RESCUE_TARGET,
- [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_SERVICE,
+ [ACTION_EMERGENCY] = SPECIAL_EMERGENCY_TARGET,
[ACTION_DEFAULT] = SPECIAL_DEFAULT_TARGET
};
if (arg_action == ACTION_SYSTEMCTL) {
method =
- streq(args[0], "stop") ? "StopUnit" :
- streq(args[0], "reload") ? "ReloadUnit" :
- streq(args[0], "restart") ? "RestartUnit" :
- "StartUnit";
+ streq(args[0], "stop") ? "StopUnit" :
+ streq(args[0], "reload") ? "ReloadUnit" :
+ streq(args[0], "restart") ? "RestartUnit" :
+ streq(args[0], "try-restart") ? "TryRestartUnit" :
+ streq(args[0], "reload-or-restart") ? "ReloadOrRestartUnit" :
+ streq(args[0], "reload-or-try-restart") ||
+ streq(args[0], "force-reload") ||
+ streq(args[0], "condrestart") ? "ReloadOrTryRestartUnit" :
+ "StartUnit";
mode =
(streq(args[0], "isolate") ||
}
if (!arg_no_block)
- r = wait_for_jobs(bus, s);
+ if ((r = wait_for_jobs(bus, s)) < 0)
+ goto finish;
+
+ r = 1;
finish:
if (s)
}
static int start_special(DBusConnection *bus, char **args, unsigned n) {
+ int r;
+
assert(bus);
assert(args);
- warn_wall(verb_to_action(args[0]));
+ r = start_unit(bus, args, n);
+
+ if (r >= 0)
+ warn_wall(verb_to_action(args[0]));
- return start_unit(bus, args, n);
+ return r;
}
static int check_unit(DBusConnection *bus, char **args, unsigned n) {
if (!dbus_message_get_args(reply, &error,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
dbus_message_unref(reply);
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
if (!arg_quiet)
puts(state);
- if (streq(state, "active") || startswith(state, "reloading"))
+ if (streq(state, "active") || streq(state, "reloading"))
r = 0;
dbus_message_unref(m);
char *path;
char **argv;
+ bool ignore;
+
usec_t start_timestamp;
usec_t exit_timestamp;
pid_t pid;
unsigned n;
uint32_t pid;
int32_t code, status;
+ dbus_bool_t ignore;
assert(i);
assert(i);
}
if (!dbus_message_iter_next(&sub2) ||
+ bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_BOOLEAN, &ignore, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &start_timestamp, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT64, &exit_timestamp, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &pid, true) < 0 ||
bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_INT32, &status, false) < 0)
return -EIO;
+ i->ignore = ignore;
i->start_timestamp = (usec_t) start_timestamp;
i->exit_timestamp = (usec_t) exit_timestamp;
i->pid = (pid_t) pid;
const char *description;
- const char *fragment_path;
+ const char *path;
const char *default_control_group;
+ usec_t inactive_exit_timestamp;
+ usec_t active_enter_timestamp;
+ usec_t active_exit_timestamp;
+ usec_t inactive_enter_timestamp;
+
+ bool need_daemon_reload;
+
/* Service */
pid_t main_pid;
pid_t control_pid;
const char *status_text;
- bool running;
+ bool running:1;
+ bool is_sysv:1;
usec_t start_timestamp;
usec_t exit_timestamp;
static void print_status_info(UnitStatusInfo *i) {
ExecStatusInfo *p;
- int r;
+ const char *on, *off, *ss;
+ usec_t timestamp;
+ char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
+ char since2[FORMAT_TIMESTAMP_MAX], *s2;
assert(i);
printf("\n");
- if (i->fragment_path)
- printf("\t Loaded: %s (%s)\n", strna(i->load_state), i->fragment_path);
- else if (streq_ptr(i->load_state, "failed"))
- printf("\t Loaded: " ANSI_HIGHLIGHT_ON "%s" ANSI_HIGHLIGHT_OFF "\n", strna(i->load_state));
- else
- printf("\t Loaded: %s\n", strna(i->load_state));
+ if (streq_ptr(i->load_state, "failed")) {
+ on = ansi_highlight(true);
+ off = ansi_highlight(false);
+ } else
+ on = off = "";
- if (streq_ptr(i->active_state, "maintenance")) {
- if (streq_ptr(i->active_state, i->sub_state))
- printf("\t Active: " ANSI_HIGHLIGHT_ON "%s" ANSI_HIGHLIGHT_OFF "\n",
- strna(i->active_state));
- else
- printf("\t Active: " ANSI_HIGHLIGHT_ON "%s (%s)" ANSI_HIGHLIGHT_OFF "\n",
- strna(i->active_state),
- strna(i->sub_state));
- } else {
- if (streq_ptr(i->active_state, i->sub_state))
- printf("\t Active: %s\n",
- strna(i->active_state));
- else
- printf("\t Active: %s (%s)\n",
- strna(i->active_state),
- strna(i->sub_state));
- }
+ if (i->path)
+ printf("\t Loaded: %s%s%s (%s)\n", on, strna(i->load_state), off, i->path);
+ else
+ printf("\t Loaded: %s%s%s\n", on, strna(i->load_state), off);
+
+ ss = streq_ptr(i->active_state, i->sub_state) ? NULL : i->sub_state;
+
+ if (streq_ptr(i->active_state, "failed")) {
+ on = ansi_highlight(true);
+ off = ansi_highlight(false);
+ } else if (streq_ptr(i->active_state, "active") || streq_ptr(i->active_state, "reloading")) {
+ on = ansi_highlight_green(true);
+ off = ansi_highlight_green(false);
+ } else
+ on = off = "";
+
+ if (ss)
+ printf("\t Active: %s%s (%s)%s",
+ on,
+ strna(i->active_state),
+ ss,
+ off);
+ else
+ printf("\t Active: %s%s%s",
+ on,
+ strna(i->active_state),
+ off);
+
+ timestamp = (streq_ptr(i->active_state, "active") ||
+ streq_ptr(i->active_state, "reloading")) ? i->active_enter_timestamp :
+ (streq_ptr(i->active_state, "inactive") ||
+ streq_ptr(i->active_state, "failed")) ? i->inactive_enter_timestamp :
+ streq_ptr(i->active_state, "activating") ? i->inactive_exit_timestamp :
+ i->active_exit_timestamp;
+
+ s1 = format_timestamp_pretty(since1, sizeof(since1), timestamp);
+ s2 = format_timestamp(since2, sizeof(since2), timestamp);
+
+ if (s1)
+ printf(" since [%s; %s]\n", s2, s1);
+ else if (s2)
+ printf(" since [%s]\n", s2);
+ else
+ printf("\n");
if (i->sysfs_path)
printf("\t Device: %s\n", i->sysfs_path);
continue;
t = strv_join(p->argv, " ");
- printf("\t Exited: %u (%s, code=%s, ", p->pid, strna(t), sigchld_code_to_string(p->code));
+ printf("\t Process: %u (%s, code=%s, ", p->pid, strna(t), sigchld_code_to_string(p->code));
free(t);
- if (p->code == CLD_EXITED)
+ if (p->code == CLD_EXITED) {
+ const char *c;
+
printf("status=%i", p->status);
- else
+
+ if ((c = exit_status_to_string(p->status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+ printf("/%s", c);
+
+ } else
printf("signal=%s", signal_to_string(p->status));
printf(")\n");
printf("\t");
if (i->main_pid > 0) {
- printf(" Main: %u", (unsigned) i->main_pid);
+ printf("Main PID: %u", (unsigned) i->main_pid);
if (i->running) {
char *t = NULL;
printf(" (%s)", t);
free(t);
}
- } else {
+ } else if (i->exit_code > 0) {
printf(" (code=%s, ", sigchld_code_to_string(i->exit_code));
- if (i->exit_code == CLD_EXITED)
+ if (i->exit_code == CLD_EXITED) {
+ const char *c;
+
printf("status=%i", i->exit_status);
- else
+
+ if ((c = exit_status_to_string(i->exit_status, i->is_sysv ? EXIT_STATUS_LSB : EXIT_STATUS_SYSTEMD)))
+ printf("/%s", c);
+
+ } else
printf("signal=%s", signal_to_string(i->exit_status));
printf(")");
}
else
c = 0;
- if ((r = cg_init()) < 0)
- log_error("Failed to initialize libcg: %s", strerror(-r));
- else
- show_cgroup_recursive(i->default_control_group, "\t\t ", c);
+ show_cgroup_by_path(i->default_control_group, "\t\t ", c);
}
+
+ if (i->need_daemon_reload)
+ printf("\n%sWarning:%s Unit file changed on disk, 'systemctl %s daemon-reload' recommended.\n",
+ ansi_highlight(true),
+ ansi_highlight(false),
+ arg_session ? "--session" : "--system");
}
static int status_property(const char *name, DBusMessageIter *iter, UnitStatusInfo *i) {
else if (streq(name, "Description"))
i->description = s;
else if (streq(name, "FragmentPath"))
- i->fragment_path = s;
- else if (streq(name, "DefaultControlGroup"))
+ i->path = s;
+ else if (streq(name, "SysVPath")) {
+ i->is_sysv = true;
+ i->path = s;
+ } else if (streq(name, "DefaultControlGroup"))
i->default_control_group = s;
else if (streq(name, "StatusText"))
i->status_text = s;
if (streq(name, "Accept"))
i->accept = b;
+ else if (streq(name, "NeedDaemonReload"))
+ i->need_daemon_reload = b;
break;
}
i->start_timestamp = (usec_t) u;
else if (streq(name, "ExecMainExitTimestamp"))
i->exit_timestamp = (usec_t) u;
+ else if (streq(name, "ActiveEnterTimestamp"))
+ i->active_enter_timestamp = (usec_t) u;
+ else if (streq(name, "InactiveEnterTimestamp"))
+ i->inactive_enter_timestamp = (usec_t) u;
+ else if (streq(name, "InactiveExitTimestamp"))
+ i->inactive_exit_timestamp = (usec_t) u;
+ else if (streq(name, "ActiveExitTimestamp"))
+ i->active_exit_timestamp = (usec_t) u;
break;
}
/* This is a low-level property printer, see
* print_status_info() for the nicer output */
- if (arg_property && !streq(name, arg_property))
+ if (arg_property && !strv_find(arg_property, name))
return 0;
switch (dbus_message_iter_get_arg_type(iter)) {
t = strv_join(info.argv, " ");
- printf("%s={ path=%s ; argv[]=%s; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
+ printf("%s={ path=%s ; argv[]=%s ; ignore=%s ; start_time=[%s] ; stop_time=[%s] ; pid=%u ; code=%s ; status=%i%s%s }\n",
name,
strna(info.path),
strna(t),
+ yes_no(info.ignore),
strna(format_timestamp(timestamp1, sizeof(timestamp1), info.start_timestamp)),
strna(format_timestamp(timestamp2, sizeof(timestamp2), info.exit_timestamp)),
(unsigned) info. pid,
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
dbus_message_iter_next(&sub);
}
- if (!show_properties)
- print_status_info(&info);
+ r = 0;
+
+ if (!show_properties) {
+ if (arg_sysv_compat &&
+ !streq_ptr(info.active_state, "active") &&
+ !streq_ptr(info.active_state, "reloading")) {
+
+ /* If the SysV compatibility mode is on, we
+ * will refuse to run "status" on units that
+ * aren't active */
+ log_error("Unit not active.");
+ r = -EADDRNOTAVAIL;
+ } else
+ print_status_info(&info);
+ }
while ((p = info.exec)) {
LIST_REMOVE(ExecStatusInfo, exec, info.exec, p);
exec_status_info_free(p);
}
- r = 0;
-
finish:
if (m)
dbus_message_unref(m);
const char *path = NULL;
uint32_t id;
- if (!show_properties || safe_atou32(args[i], &id) < 0) {
+ if (safe_atou32(args[i], &id) < 0) {
+
+ /* Interpret as unit name */
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
if (!dbus_error_has_name(&error, DBUS_ERROR_ACCESS_DENIED)) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
}
- } else {
+ } else if (show_properties) {
+
+ /* Interpret as job id */
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+ } else {
+
+ /* Interpret as PID */
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "GetUnitByPID"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_UINT32, &id,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
if (!dbus_message_get_args(reply, &error,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
DBUS_TYPE_STRING, &id,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID))
- log_error("Failed to parse message: %s", error.message);
+ log_error("Failed to parse message: %s", bus_error_message(&error));
else if (streq(dbus_message_get_member(message), "UnitNew"))
printf("Unit %s added.\n", id);
else
DBUS_TYPE_UINT32, &id,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID))
- log_error("Failed to parse message: %s", error.message);
+ log_error("Failed to parse message: %s", bus_error_message(&error));
else if (streq(dbus_message_get_member(message), "JobNew"))
printf("Job %u added.\n", id);
else
printf("Job %u removed.\n", id);
- } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Unit", "Changed") ||
- dbus_message_is_signal(message, "org.freedesktop.systemd1.Job", "Changed")) {
+ } else if (dbus_message_is_signal(message, "org.freedesktop.DBus.Properties", "PropertiesChanged")) {
const char *path, *interface, *property = "Id";
DBusMessageIter iter, sub;
path = dbus_message_get_path(message);
- interface = dbus_message_get_interface(message);
+
+ if (!dbus_message_get_args(message, &error,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_INVALID)) {
+ log_error("Failed to parse message: %s", bus_error_message(&error));
+ goto finish;
+ }
+
+ if (!streq(interface, "org.freedesktop.systemd1.Job") &&
+ !streq(interface, "org.freedesktop.systemd1.Unit"))
+ goto finish;
if (!(m = dbus_message_new_method_call(
"org.freedesktop.systemd1",
}
if (!(reply = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
goto finish;
}
&error);
if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
- r = -EIO;
- goto finish;
- }
-
- dbus_bus_add_match(bus,
- "type='signal',"
- "sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Unit',"
- "member='Changed'",
- &error);
-
- if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
+ log_error("Failed to add match: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
dbus_bus_add_match(bus,
"type='signal',"
"sender='org.freedesktop.systemd1',"
- "interface='org.freedesktop.systemd1.Job',"
- "member='Changed'",
+ "interface='org.freedesktop.DBus.Properties',"
+ "member='PropertiesChanged'",
&error);
if (dbus_error_is_set(&error)) {
- log_error("Failed to add match: %s", error.message);
+ log_error("Failed to add match: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
if (!dbus_message_get_args(reply, &error,
DBUS_TYPE_STRING, &text,
DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
if (!dbus_message_get_args(reply, &error,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
dbus_message_unref(reply);
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
}
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
if (!dbus_message_get_args(reply, &error,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID)) {
- log_error("Failed to parse reply: %s", error.message);
+ log_error("Failed to parse reply: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
dbus_message_unref(reply);
if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
return r;
}
-static int clear_jobs(DBusConnection *bus, char **args, unsigned n) {
+static int daemon_reload(DBusConnection *bus, char **args, unsigned n) {
DBusMessage *m = NULL, *reply = NULL;
DBusError error;
int r;
assert(arg_action == ACTION_SYSTEMCTL);
method =
- streq(args[0], "clear-jobs") ? "ClearJobs" :
- streq(args[0], "daemon-reload") ? "Reload" :
- streq(args[0], "daemon-reexec") ? "Reexecute" :
- "Exit";
+ streq(args[0], "clear-jobs") ||
+ streq(args[0], "cancel") ? "ClearJobs" :
+ streq(args[0], "daemon-reexec") ? "Reexecute" :
+ streq(args[0], "reset-failed") ? "ResetFailed" :
+ streq(args[0], "daemon-exit") ? "Exit" :
+ "Reload";
}
if (!(m = dbus_message_new_method_call(
return -ENOMEM;
}
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+
+ if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
+ /* There's always a fallback possible for
+ * legacy actions. */
+ r = 0;
+ goto finish;
+ }
+
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ r = 1;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int reset_failed(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ unsigned i;
+ int r;
+ DBusError error;
+
+ assert(bus);
+ dbus_error_init(&error);
+
+ if (n <= 1)
+ return daemon_reload(bus, args, n);
+
+ for (i = 1; i < n; i++) {
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "ResetFailedUnit"))) {
+ log_error("Could not allocate message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, args + i,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_unref(m);
+ dbus_message_unref(reply);
+ m = reply = NULL;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int show_enviroment(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ DBusMessageIter iter, sub, sub2;
+ int r;
+ const char
+ *interface = "org.freedesktop.systemd1.Manager",
+ *property = "Environment";
+
+ dbus_error_init(&error);
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.DBus.Properties",
+ "Get"))) {
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
+
+ if (!dbus_message_append_args(m,
+ DBUS_TYPE_STRING, &interface,
+ DBUS_TYPE_STRING, &property,
+ DBUS_TYPE_INVALID)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_init(reply, &iter) ||
+ dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&iter, &sub);
+
+ if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_recurse(&sub, &sub2);
+
+ while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
+ const char *text;
+
+ if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
+ log_error("Failed to parse reply.");
+ r = -EIO;
+ goto finish;
+ }
+
+ dbus_message_iter_get_basic(&sub2, &text);
+ printf("%s\n", text);
+
+ dbus_message_iter_next(&sub2);
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+static int set_environment(DBusConnection *bus, char **args, unsigned n) {
+ DBusMessage *m = NULL, *reply = NULL;
+ DBusError error;
+ int r;
+ const char *method;
+ DBusMessageIter iter, sub;
+ unsigned i;
+
+ dbus_error_init(&error);
+
+ method = streq(args[0], "set-environment")
+ ? "SetEnvironment"
+ : "UnsetEnvironment";
+
+ if (!(m = dbus_message_new_method_call(
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ method))) {
+
+ log_error("Could not allocate message.");
+ return -ENOMEM;
+ }
+
+ dbus_message_iter_init_append(m, &iter);
+
+ if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ for (i = 1; i < n; i++)
+ if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_iter_close_container(&iter, &sub)) {
+ log_error("Could not append arguments to message.");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
+ r = -EIO;
+ goto finish;
+ }
+
+ r = 0;
+
+finish:
+ if (m)
+ dbus_message_unref(m);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ dbus_error_free(&error);
+
+ return r;
+}
+
+typedef struct {
+ char *name;
+ char *path;
+
+ char **aliases;
+ char **wanted_by;
+} InstallInfo;
+
+static Hashmap *will_install = NULL, *have_installed = NULL;
+static Set *remove_symlinks_to = NULL;
+
+static void install_info_free(InstallInfo *i) {
+ assert(i);
+
+ free(i->name);
+ free(i->path);
+ strv_free(i->aliases);
+ strv_free(i->wanted_by);
+ free(i);
+}
+
+static void install_info_hashmap_free(Hashmap *m) {
+ InstallInfo *i;
+
+ while ((i = hashmap_steal_first(m)))
+ install_info_free(i);
+
+ hashmap_free(m);
+}
+
+static bool unit_name_valid(const char *name) {
+
+ /* This is a minimal version of unit_name_valid() from
+ * unit-name.c */
+
+ if (!*name)
+ return false;
+
+ if (ignore_file(name))
+ return false;
+
+ return true;
+}
+
+static int install_info_add(const char *name) {
+ InstallInfo *i;
+ int r;
+
+ assert(will_install);
+
+ if (!unit_name_valid(name))
+ return -EINVAL;
+
+ if (hashmap_get(have_installed, name) ||
+ hashmap_get(will_install, name))
+ return 0;
+
+ if (!(i = new0(InstallInfo, 1))) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ if (!(i->name = strdup(name))) {
+ r = -ENOMEM;
+ goto fail;
+ }
+
+ if ((r = hashmap_put(will_install, i->name, i)) < 0)
+ goto fail;
+
+ return 0;
+
+fail:
+ if (i)
+ install_info_free(i);
+
+ return r;
+}
+
+static int config_parse_also(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ char *w;
+ size_t l;
+ char *state;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+ char *n;
+ int r;
+
+ if (!(n = strndup(w, l)))
+ return -ENOMEM;
+
+ r = install_info_add(n);
+ free(n);
+
+ if (r < 0)
+ return r;
+ }
+
+ return 0;
+}
+
+static int mark_symlink_for_removal(const char *p) {
+ char *n;
+ int r;
+
+ assert(p);
+ assert(path_is_absolute(p));
+
+ if (!remove_symlinks_to)
+ return 0;
+
+ if (!(n = strdup(p)))
+ return -ENOMEM;
+
+ path_kill_slashes(n);
+
+ if ((r = set_put(remove_symlinks_to, n)) < 0) {
+ free(n);
+ return r == -EEXIST ? 0 : r;
+ }
+
+ return 0;
+}
+
+static int remove_marked_symlinks_fd(int fd, const char *config_path, const char *root, bool *deleted) {
+ int r = 0;
+ DIR *d;
+ struct dirent *de;
+
+ assert(fd >= 0);
+ assert(root);
+ assert(deleted);
+
+ if (!(d = fdopendir(fd))) {
+ close_nointr_nofail(fd);
+ return -errno;
+ }
+
+ rewinddir(d);
+
+ while ((de = readdir(d))) {
+ bool is_dir = false, is_link = false;
+
+ if (ignore_file(de->d_name))
+ continue;
+
+ if (de->d_type == DT_LNK)
+ is_link = true;
+ else if (de->d_type == DT_DIR)
+ is_dir = true;
+ else if (de->d_type == DT_UNKNOWN) {
+ struct stat st;
+
+ if (fstatat(fd, de->d_name, &st, AT_SYMLINK_NOFOLLOW) < 0) {
+ log_error("Failed to stat %s/%s: %m", root, de->d_name);
+
+ if (r == 0)
+ r = -errno;
+ continue;
+ }
+
+ is_link = S_ISLNK(st.st_mode);
+ is_dir = S_ISDIR(st.st_mode);
+ } else
+ continue;
+
+ if (is_dir) {
+ int nfd, q;
+ char *p;
+
+ if ((nfd = openat(fd, de->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW)) < 0) {
+ log_error("Failed to open %s/%s: %m", root, de->d_name);
+
+ if (r == 0)
+ r = -errno;
+ continue;
+ }
+
+ if (asprintf(&p, "%s/%s", root, de->d_name) < 0) {
+ log_error("Failed to allocate directory string.");
+ close_nointr_nofail(nfd);
+ r = -ENOMEM;
+ break;
+ }
+
+ /* This will close nfd, regardless whether it succeeds or not */
+ q = remove_marked_symlinks_fd(nfd, config_path, p, deleted);
+ free(p);
+
+ if (r == 0)
+ r = q;
+
+ } else if (is_link) {
+ char *p, *dest, *c;
+ int q;
+
+ if (asprintf(&p, "%s/%s", root, de->d_name) < 0) {
+ log_error("Failed to allocate symlink string.");
+ r = -ENOMEM;
+ break;
+ }
+
+ if ((q = readlink_and_make_absolute(p, &dest)) < 0) {
+ log_error("Cannot read symlink %s: %s", p, strerror(-q));
+ free(p);
+
+ if (r == 0)
+ r = q;
+ continue;
+ }
+
+ if ((c = canonicalize_file_name(dest))) {
+ /* This might fail if the destination
+ * is already removed */
+
+ free(dest);
+ dest = c;
+ }
+
+ path_kill_slashes(dest);
+ if (set_get(remove_symlinks_to, dest)) {
+
+ if (!arg_quiet)
+ log_info("rm '%s'", p);
+
+ if (unlink(p) < 0) {
+ log_error("Cannot unlink symlink %s: %m", p);
+
+ if (r == 0)
+ r = -errno;
+ } else {
+ rmdir_parents(p, config_path);
+ path_kill_slashes(p);
+
+ if (!set_get(remove_symlinks_to, p)) {
+
+ if ((r = mark_symlink_for_removal(p)) < 0) {
+ if (r == 0)
+ r = q;
+ } else
+ *deleted = true;
+ }
+ }
+ }
+
+ free(p);
+ free(dest);
+ }
+ }
+
+ closedir(d);
+
+ return r;
+}
+
+static int remove_marked_symlinks(const char *config_path) {
+ int fd, r = 0;
+ bool deleted;
+
+ assert(config_path);
+
+ if (set_size(remove_symlinks_to) <= 0)
+ return 0;
+
+ if ((fd = open(config_path, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW)) < 0)
+ return -errno;
+
+ do {
+ int q, cfd;
+ deleted = false;
+
+ if ((cfd = dup(fd)) < 0) {
+ r = -errno;
+ break;
+ }
+
+ /* This takes possession of cfd and closes it */
+ if ((q = remove_marked_symlinks_fd(cfd, config_path, config_path, &deleted)) < 0) {
+ if (r == 0)
+ r = q;
+ }
+ } while (deleted);
+
+ close_nointr_nofail(fd);
+
+ return r;
+}
+
+static int create_symlink(const char *verb, const char *old_path, const char *new_path) {
+ int r;
+
+ assert(old_path);
+ assert(new_path);
+ assert(verb);
+
+ if (streq(verb, "enable")) {
+ char *dest;
+
+ mkdir_parents(new_path, 0755);
+
+ if (symlink(old_path, new_path) >= 0) {
+
+ if (!arg_quiet)
+ log_info("ln -s '%s' '%s'", old_path, new_path);
+
+ return 0;
+ }
+
+ if (errno != EEXIST) {
+ log_error("Cannot link %s to %s: %m", old_path, new_path);
+ return -errno;
+ }
+
+ if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+
+ if (errno == EINVAL) {
+ log_error("Cannot link %s to %s, file exists already and is not a symlink.", old_path, new_path);
+ return -EEXIST;
+ }
+
+ log_error("readlink() failed: %s", strerror(-r));
+ return r;
+ }
+
+ if (streq(dest, old_path)) {
+ free(dest);
+ return 0;
+ }
+
+ if (!arg_force) {
+ log_error("Cannot link %s to %s, symlink exists already and points to %s.", old_path, new_path, dest);
+ free(dest);
+ return -EEXIST;
+ }
+
+ free(dest);
+ unlink(new_path);
+
+ if (!arg_quiet)
+ log_info("ln -s '%s' '%s'", old_path, new_path);
+
+ if (symlink(old_path, new_path) >= 0)
+ return 0;
+
+ log_error("Cannot link %s to %s: %m", old_path, new_path);
+ return -errno;
+
+ } else if (streq(verb, "disable")) {
+ char *dest;
+
+ if ((r = mark_symlink_for_removal(old_path)) < 0)
+ return r;
+
+ if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+ if (errno == ENOENT)
+ return 0;
+
+ if (errno == EINVAL) {
+ log_warning("File %s not a symlink, ignoring.", old_path);
+ return 0;
+ }
+
+ log_error("readlink() failed: %s", strerror(-r));
+ return r;
+ }
+
+ if (!streq(dest, old_path)) {
+ log_warning("File %s not a symlink to %s but points to %s, ignoring.", new_path, old_path, dest);
+ free(dest);
+ return 0;
+ }
+
+ free(dest);
+
+ if ((r = mark_symlink_for_removal(new_path)) < 0)
+ return r;
+
+ if (!arg_quiet)
+ log_info("rm '%s'", new_path);
+
+ if (unlink(new_path) >= 0)
+ return 0;
+
+ log_error("Cannot unlink %s: %m", new_path);
+ return -errno;
+
+ } else if (streq(verb, "is-enabled")) {
+ char *dest;
+
+ if ((r = readlink_and_make_absolute(new_path, &dest)) < 0) {
+
+ if (errno == ENOENT || errno == EINVAL)
+ return 0;
+
+ log_error("readlink() failed: %s", strerror(-r));
+ return r;
+ }
+
+ if (streq(dest, old_path)) {
+ free(dest);
+ return 1;
+ }
+
+ return 0;
+ }
+
+ assert_not_reached("Unknown action.");
+}
+
+static int install_info_symlink_alias(const char *verb, InstallInfo *i, const char *config_path) {
+ char **s;
+ char *alias_path = NULL;
+ int r;
+
+ assert(verb);
+ assert(i);
+ assert(config_path);
+
+ STRV_FOREACH(s, i->aliases) {
+
+ if (!unit_name_valid(*s)) {
+ log_error("Invalid name %s.", *s);
+ r = -EINVAL;
+ goto finish;
+ }
+
+ free(alias_path);
+ if (!(alias_path = path_make_absolute(*s, config_path))) {
+ log_error("Out of memory");
+ r = -ENOMEM;
+ goto finish;
+ }
+
+ if ((r = create_symlink(verb, i->path, alias_path)) != 0)
+ goto finish;
+
+ if (streq(verb, "disable"))
+ rmdir_parents(alias_path, config_path);
+ }
+
+ r = 0;
+
+finish:
+ free(alias_path);
+
+ return r;
+}
+
+static int install_info_symlink_wants(const char *verb, InstallInfo *i, const char *config_path) {
+ char **s;
+ char *alias_path = NULL;
+ int r;
+
+ assert(verb);
+ assert(i);
+ assert(config_path);
+
+ STRV_FOREACH(s, i->wanted_by) {
+ if (!unit_name_valid(*s)) {
+ log_error("Invalid name %s.", *s);
+ r = -EINVAL;
+ goto finish;
+ }
+
+ free(alias_path);
+ alias_path = NULL;
- if (arg_action != ACTION_SYSTEMCTL && error_is_no_service(&error)) {
- /* There's always a fallback possible for
- * legacy actions. */
- r = 0;
+ if (asprintf(&alias_path, "%s/%s.wants/%s", config_path, *s, i->name) < 0) {
+ log_error("Out of memory");
+ r = -ENOMEM;
goto finish;
}
- log_error("Failed to issue method call: %s", error.message);
- r = -EIO;
- goto finish;
+ if ((r = create_symlink(verb, i->path, alias_path)) != 0)
+ goto finish;
+
+ if (streq(verb, "disable"))
+ rmdir_parents(alias_path, config_path);
}
- r = 1;
+ r = 0;
finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
+ free(alias_path);
return r;
}
-static int show_enviroment(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
- DBusMessageIter iter, sub, sub2;
+static int install_info_apply(const char *verb, LookupPaths *paths, InstallInfo *i, const char *config_path) {
+
+ const ConfigItem items[] = {
+ { "Alias", config_parse_strv, &i->aliases, "Install" },
+ { "WantedBy", config_parse_strv, &i->wanted_by, "Install" },
+ { "Also", config_parse_also, NULL, "Install" },
+
+ { NULL, NULL, NULL, NULL }
+ };
+
+ char **p;
+ char *filename = NULL;
+ FILE *f = NULL;
int r;
- const char
- *interface = "org.freedesktop.systemd1.Manager",
- *property = "Environment";
- dbus_error_init(&error);
+ assert(paths);
+ assert(i);
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.DBus.Properties",
- "Get"))) {
- log_error("Could not allocate message.");
- return -ENOMEM;
- }
+ STRV_FOREACH(p, paths->unit_path) {
+ int fd;
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &interface,
- DBUS_TYPE_STRING, &property,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
+ if (!(filename = path_make_absolute(i->name, *p))) {
+ log_error("Out of memory");
+ return -ENOMEM;
+ }
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
- r = -EIO;
- goto finish;
+ /* Ensure that we don't follow symlinks */
+ if ((fd = open(filename, O_RDONLY|O_CLOEXEC|O_NOFOLLOW|O_NOCTTY)) >= 0)
+ if ((f = fdopen(fd, "re")))
+ break;
+
+ if (errno == ELOOP) {
+ log_error("Refusing to operate on symlinks, please pass unit names or absolute paths to unit files.");
+ free(filename);
+ return -errno;
+ }
+
+ if (errno != ENOENT) {
+ log_error("Failed to open %s: %m", filename);
+ free(filename);
+ return -errno;
+ }
+
+ free(filename);
+ filename = NULL;
}
- if (!dbus_message_iter_init(reply, &iter) ||
- dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
+ if (!f) {
+ log_error("Couldn't find %s.", i->name);
+ return -ENOENT;
}
- dbus_message_iter_recurse(&iter, &sub);
+ i->path = filename;
- if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_ARRAY ||
- dbus_message_iter_get_element_type(&sub) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
+ if ((r = config_parse(filename, f, NULL, items, true, i)) < 0) {
+ fclose(f);
+ return r;
}
- dbus_message_iter_recurse(&sub, &sub2);
+ fclose(f);
- while (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_INVALID) {
- const char *text;
+ if ((r = install_info_symlink_alias(verb, i, config_path)) != 0)
+ return r;
- if (dbus_message_iter_get_arg_type(&sub2) != DBUS_TYPE_STRING) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
+ if ((r = install_info_symlink_wants(verb, i, config_path)) != 0)
+ return r;
- dbus_message_iter_get_basic(&sub2, &text);
- printf("%s\n", text);
+ if ((r = mark_symlink_for_removal(filename)) < 0)
+ return r;
- dbus_message_iter_next(&sub2);
- }
+ if ((r = remove_marked_symlinks(config_path)) < 0)
+ return r;
- r = 0;
+ return 0;
+}
-finish:
- if (m)
- dbus_message_unref(m);
+static char *get_config_path(void) {
- if (reply)
- dbus_message_unref(reply);
+ if (arg_session && arg_global)
+ return strdup(SESSION_CONFIG_UNIT_PATH);
- dbus_error_free(&error);
+ if (arg_session) {
+ char *p;
- return r;
+ if (session_config_home(&p) < 0)
+ return NULL;
+
+ return p;
+ }
+
+ return strdup(SYSTEM_CONFIG_UNIT_PATH);
}
-static int set_environment(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
+static int enable_unit(DBusConnection *bus, char **args, unsigned n) {
DBusError error;
int r;
- const char *method;
- DBusMessageIter iter, sub;
- unsigned i;
+ LookupPaths paths;
+ char *config_path = NULL;
+ unsigned j;
+ InstallInfo *i;
+ const char *verb = args[0];
dbus_error_init(&error);
- method = streq(args[0], "set-environment")
- ? "SetEnvironment"
- : "UnsetEnvironment";
-
- if (!(m = dbus_message_new_method_call(
- "org.freedesktop.systemd1",
- "/org/freedesktop/systemd1",
- "org.freedesktop.systemd1.Manager",
- method))) {
+ zero(paths);
+ if ((r = lookup_paths_init(&paths, arg_session ? MANAGER_SESSION : MANAGER_SYSTEM)) < 0) {
+ log_error("Failed to determine lookup paths: %s", strerror(-r));
+ goto finish;
+ }
- log_error("Could not allocate message.");
- return -ENOMEM;
+ if (!(config_path = get_config_path())) {
+ log_error("Failed to determine config path");
+ r = -ENOMEM;
+ goto finish;
}
- dbus_message_iter_init_append(m, &iter);
+ will_install = hashmap_new(string_hash_func, string_compare_func);
+ have_installed = hashmap_new(string_hash_func, string_compare_func);
- if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "s", &sub)) {
- log_error("Could not append arguments to message.");
+ if (!will_install || !have_installed) {
+ log_error("Failed to allocate unit sets.");
r = -ENOMEM;
goto finish;
}
- for (i = 1; i < n; i++)
- if (!dbus_message_iter_append_basic(&sub, DBUS_TYPE_STRING, &args[i])) {
- log_error("Could not append arguments to message.");
+ if (!arg_defaults && streq(verb, "disable"))
+ if (!(remove_symlinks_to = set_new(string_hash_func, string_compare_func))) {
+ log_error("Failed to allocate symlink sets.");
r = -ENOMEM;
goto finish;
}
- if (!dbus_message_iter_close_container(&iter, &sub)) {
- log_error("Could not append arguments to message.");
- r = -ENOMEM;
- goto finish;
- }
+ for (j = 1; j < n; j++)
+ if ((r = install_info_add(args[j])) < 0)
+ goto finish;
- if (!(reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error))) {
- log_error("Failed to issue method call: %s", error.message);
- r = -EIO;
- goto finish;
+ while ((i = hashmap_first(will_install))) {
+ int q;
+
+ assert_se(hashmap_move_one(have_installed, will_install, i->name) == 0);
+
+ if ((q = install_info_apply(verb, &paths, i, config_path)) != 0) {
+
+ if (q < 0) {
+ if (r == 0)
+ r = q;
+ goto finish;
+ }
+
+ /* In test mode and found something */
+ r = 1;
+ break;
+ }
}
- r = 0;
+ if (streq(verb, "is-enabled"))
+ r = r > 0 ? 0 : -ENOENT;
+ else if (bus &&
+ /* Don't try to reload anything if the user asked us to not do this */
+ !arg_no_reload &&
+ /* Don't try to reload anything when updating a unit globally */
+ !arg_global &&
+ /* Don't try to reload anything if we are called for system changes but the system wasn't booted with systemd */
+ (arg_session || sd_booted() > 0) &&
+ /* Don't try to reload anything if we are running in a chroot environment */
+ (arg_session || running_in_chroot() <= 0) ) {
+ int q;
+
+ if ((q = daemon_reload(bus, args, n)) < 0)
+ r = q;
+ }
finish:
- if (m)
- dbus_message_unref(m);
+ install_info_hashmap_free(will_install);
+ install_info_hashmap_free(have_installed);
- if (reply)
- dbus_message_unref(reply);
+ set_free_free(remove_symlinks_to);
- dbus_error_free(&error);
+ lookup_paths_free(&paths);
+
+ free(config_path);
return r;
}
static int systemctl_help(void) {
printf("%s [OPTIONS...] {COMMAND} ...\n\n"
- "Send control commands to the systemd manager.\n\n"
+ "Send control commands to or query the systemd manager.\n\n"
" -h --help Show this help\n"
" -t --type=TYPE List only units of a particular type\n"
" -p --property=NAME Show only properties by this name\n"
" -a --all Show all units/properties, including dead/empty ones\n"
- " --fail When installing a new job, fail if conflicting jobs are pending\n"
- " --system Connect to system bus\n"
- " --session Connect to session bus\n"
+ " --full Don't ellipsize unit names on output\n"
+ " --fail When queueing a new job, fail if conflicting jobs are\n"
+ " pending\n"
" -q --quiet Suppress output\n"
" --no-block Do not wait until operation finished\n"
- " --no-wall Don't send wall message before halt/power-off/reboot\n\n"
+ " --system Connect to system bus\n"
+ " --session Connect to session bus\n"
+ " --order When generating graph for dot, show only order\n"
+ " --require When generating graph for dot, show only requirement\n"
+ " --no-wall Don't send wall message before halt/power-off/reboot\n"
+ " --global Enable/disable unit files globally\n"
+ " --no-reload When enabling/disabling unit files, don't reload daemon\n"
+ " configuration\n"
+ " --force When enabling unit files, override existing symlinks\n"
+ " --defaults When disabling unit files, remove default symlinks only\n\n"
"Commands:\n"
" list-units List units\n"
- " start [NAME...] Start one or more units\n"
- " stop [NAME...] Stop one or more units\n"
- " restart [NAME...] Restart one or more units\n"
+ " start [NAME...] Start (activate) one or more units\n"
+ " stop [NAME...] Stop (deactivate) one or more units\n"
" reload [NAME...] Reload one or more units\n"
+ " restart [NAME...] Start or restart one or more units\n"
+ " try-restart [NAME...] Restart one or more units if active\n"
+ " reload-or-restart [NAME...] Reload one or more units is possible,\n"
+ " otherwise start or restart\n"
+ " reload-or-try-restart [NAME...] Reload one or more units is possible,\n"
+ " otherwise restart if active\n"
" isolate [NAME] Start one unit and stop all others\n"
- " check [NAME...] Check whether any of the passed units are active\n"
- " status [NAME...] Show status of one or more units\n"
- " show [NAME...|JOB...] Show properties of one or more units/jobs/manager\n"
+ " is-active [NAME...] Check whether units are active\n"
+ " status [NAME...|PID...] Show runtime status of one or more units\n"
+ " show [NAME...|JOB...] Show properties of one or more\n"
+ " units/jobs or the manager\n"
+ " reset-failed [NAME...] Reset failed state for all, one, or more\n"
+ " units\n"
+ " enable [NAME...] Enable one or more unit files\n"
+ " disable [NAME...] Disable one or more unit files\n"
+ " is-enabled [NAME...] Check whether unit files are enabled\n"
" load [NAME...] Load one or more units\n"
" list-jobs List jobs\n"
- " cancel [JOB...] Cancel one or more jobs\n"
- " clear-jobs Cancel all jobs\n"
+ " cancel [JOB...] Cancel all, one, or more jobs\n"
" monitor Monitor unit/job changes\n"
" dump Dump server status\n"
+ " dot Dump dependency graph for dot(1)\n"
" snapshot [NAME] Create a snapshot\n"
" delete [NAME...] Remove one or more snapshots\n"
" daemon-reload Reload systemd manager configuration\n"
" halt Shut down and halt the system\n"
" poweroff Shut down and power-off the system\n"
" reboot Shut down and reboot the system\n"
- " default Enter default mode\n"
- " rescue Enter rescue mode\n"
- " emergency Enter emergency mode\n",
+ " rescue Enter system rescue mode\n"
+ " emergency Enter system emergency mode\n"
+ " default Enter system default mode\n",
program_invocation_short_name);
return 0;
static int shutdown_help(void) {
- printf("%s [OPTIONS...] [now] [WALL...]\n\n"
+ printf("%s [OPTIONS...] [TIME] [WALL...]\n\n"
"Shut down the system.\n\n"
" --help Show this help\n"
" -H --halt Halt the machine\n"
" -r --reboot Reboot the machine\n"
" -h Equivalent to --poweroff, overriden by --halt\n"
" -k Don't halt/power-off/reboot, just send warnings\n"
- " --no-wall Don't send wall message before halt/power-off/reboot\n",
+ " --no-wall Don't send wall message before halt/power-off/reboot\n"
+ " -c Cancel a pending shutdown\n",
program_invocation_short_name);
return 0;
ARG_FAIL = 0x100,
ARG_SESSION,
ARG_SYSTEM,
+ ARG_GLOBAL,
ARG_NO_BLOCK,
- ARG_NO_WALL
+ ARG_NO_WALL,
+ ARG_ORDER,
+ ARG_REQUIRE,
+ ARG_FULL,
+ ARG_FORCE,
+ ARG_NO_RELOAD,
+ ARG_DEFAULTS,
+ ARG_SYSV_COMPAT
};
static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "type", required_argument, NULL, 't' },
- { "property", required_argument, NULL, 'p' },
- { "all", no_argument, NULL, 'a' },
- { "fail", no_argument, NULL, ARG_FAIL },
- { "session", no_argument, NULL, ARG_SESSION },
- { "system", no_argument, NULL, ARG_SYSTEM },
- { "no-block", no_argument, NULL, ARG_NO_BLOCK },
- { "no-wall", no_argument, NULL, ARG_NO_WALL },
- { "quiet", no_argument, NULL, 'q' },
- { NULL, 0, NULL, 0 }
+ { "help", no_argument, NULL, 'h' },
+ { "type", required_argument, NULL, 't' },
+ { "property", required_argument, NULL, 'p' },
+ { "all", no_argument, NULL, 'a' },
+ { "full", no_argument, NULL, ARG_FULL },
+ { "fail", no_argument, NULL, ARG_FAIL },
+ { "session", no_argument, NULL, ARG_SESSION },
+ { "system", no_argument, NULL, ARG_SYSTEM },
+ { "global", no_argument, NULL, ARG_GLOBAL },
+ { "no-block", no_argument, NULL, ARG_NO_BLOCK },
+ { "no-wall", no_argument, NULL, ARG_NO_WALL },
+ { "quiet", no_argument, NULL, 'q' },
+ { "order", no_argument, NULL, ARG_ORDER },
+ { "require", no_argument, NULL, ARG_REQUIRE },
+ { "force", no_argument, NULL, ARG_FORCE },
+ { "no-reload", no_argument, NULL, ARG_NO_RELOAD },
+ { "defaults", no_argument, NULL, ARG_DEFAULTS },
+ { "sysv-compat", no_argument, NULL, ARG_SYSV_COMPAT },
+ { NULL, 0, NULL, 0 }
};
int c;
arg_type = optarg;
break;
- case 'p':
- arg_property = optarg;
+ case 'p': {
+ char **l;
+
+ if (!(l = strv_append(arg_property, optarg)))
+ return -ENOMEM;
+
+ strv_free(arg_property);
+ arg_property = l;
/* 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;
arg_no_wall = true;
break;
+ case ARG_ORDER:
+ arg_dot = DOT_ORDER;
+ break;
+
+ case ARG_REQUIRE:
+ arg_dot = DOT_REQUIRE;
+ break;
+
+ case ARG_FULL:
+ arg_full = true;
+ break;
+
case 'q':
arg_quiet = true;
break;
+ case ARG_FORCE:
+ arg_force = true;
+ break;
+
+ case ARG_NO_RELOAD:
+ arg_no_reload = true;
+ break;
+
+ case ARG_GLOBAL:
+ arg_global = true;
+ arg_session = true;
+ break;
+
+ case ARG_DEFAULTS:
+ arg_defaults = true;
+ break;
+
+ case ARG_SYSV_COMPAT:
+ arg_sysv_compat = true;
+ break;
+
case '?':
return -EINVAL;
break;
case 'p':
- arg_action = ACTION_POWEROFF;
+ if (arg_action != ACTION_REBOOT)
+ arg_action = ACTION_POWEROFF;
break;
case ARG_REBOOT:
return 1;
}
+static int parse_time_spec(const char *t, usec_t *_u) {
+ assert(t);
+ assert(_u);
+
+ if (streq(t, "now"))
+ *_u = 0;
+ else if (t[0] == '+') {
+ uint64_t u;
+
+ if (safe_atou64(t + 1, &u) < 0)
+ return -EINVAL;
+
+ *_u = now(CLOCK_REALTIME) + USEC_PER_MINUTE * u;
+ } else {
+ char *e = NULL;
+ long hour, minute;
+ struct tm tm;
+ time_t s;
+ usec_t n;
+
+ errno = 0;
+ hour = strtol(t, &e, 10);
+ if (errno != 0 || *e != ':' || hour < 0 || hour > 23)
+ return -EINVAL;
+
+ minute = strtol(e+1, &e, 10);
+ if (errno != 0 || *e != 0 || minute < 0 || minute > 59)
+ return -EINVAL;
+
+ n = now(CLOCK_REALTIME);
+ s = (time_t) (n / USEC_PER_SEC);
+
+ zero(tm);
+ assert_se(localtime_r(&s, &tm));
+
+ tm.tm_hour = (int) hour;
+ tm.tm_min = (int) minute;
+ tm.tm_sec = 0;
+
+ assert_se(s = mktime(&tm));
+
+ *_u = (usec_t) s * USEC_PER_SEC;
+
+ while (*_u <= n)
+ *_u += USEC_PER_DAY;
+ }
+
+ return 0;
+}
+
static int shutdown_parse_argv(int argc, char *argv[]) {
enum {
{ NULL, 0, NULL, 0 }
};
- int c;
+ int c, r;
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "HPrhkt:a", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "HPrhkt:afFc", options, NULL)) >= 0) {
switch (c) {
case ARG_HELP:
/* Compatibility nops */
break;
+ case 'c':
+ arg_action = ACTION_CANCEL_SHUTDOWN;
+ break;
+
case '?':
return -EINVAL;
}
}
- if (argc > optind && !streq(argv[optind], "now"))
- log_warning("First argument '%s' isn't 'now'. Ignoring.", argv[optind]);
+ if (argc > optind) {
+ if ((r = parse_time_spec(argv[optind], &arg_when)) < 0) {
+ log_error("Failed to parse time specification: %s", argv[optind]);
+ return r;
+ }
+ } else
+ arg_when = now(CLOCK_REALTIME) + USEC_PER_MINUTE;
- /* We ignore the time argument */
+ /* We skip the time argument */
if (argc > optind + 1)
arg_wall = argv + optind + 1;
arg_action = ACTION_POWEROFF;
return shutdown_parse_argv(argc, argv);
} else if (strstr(program_invocation_short_name, "init")) {
- arg_action = ACTION_INVALID;
- return telinit_parse_argv(argc, argv);
+
+ if (sd_booted() > 0) {
+ arg_action = ACTION_INVALID;
+ return telinit_parse_argv(argc, argv);
+ } else {
+ /* Hmm, so some other init system is
+ * running, we need to forward this
+ * request to it. For now we simply
+ * guess that it is Upstart. */
+
+ execv("/lib/upstart/telinit", argv);
+
+ log_error("Couldn't find an alternative telinit implementation to spawn.");
+ return -EIO;
+ }
+
} else if (strstr(program_invocation_short_name, "runlevel")) {
arg_action = ACTION_RUNLEVEL;
return runlevel_parse_argv(argc, argv);
goto finish;
}
- log_error("Failed to connect to Upstart bus: %s", error.message);
+ log_error("Failed to connect to Upstart bus: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
goto finish;
}
- log_error("Failed to issue method call: %s", error.message);
+ log_error("Failed to issue method call: %s", bus_error_message(&error));
r = -EIO;
goto finish;
}
return 1;
}
-static int systemctl_main(DBusConnection *bus, int argc, char *argv[]) {
+static int systemctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
static const struct {
const char* verb;
const int argc;
int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
} verbs[] = {
- { "list-units", LESS, 1, list_units },
- { "list-jobs", EQUAL, 1, list_jobs },
- { "clear-jobs", EQUAL, 1, clear_jobs },
- { "load", MORE, 2, load_unit },
- { "cancel", MORE, 2, cancel_job },
- { "start", MORE, 2, start_unit },
- { "stop", MORE, 2, start_unit },
- { "reload", MORE, 2, start_unit },
- { "restart", MORE, 2, start_unit },
- { "isolate", EQUAL, 2, start_unit },
- { "check", MORE, 2, check_unit },
- { "show", MORE, 1, show },
- { "status", MORE, 2, show },
- { "monitor", EQUAL, 1, monitor },
- { "dump", EQUAL, 1, dump },
- { "snapshot", LESS, 2, snapshot },
- { "delete", MORE, 2, delete_snapshot },
- { "daemon-reload", EQUAL, 1, clear_jobs },
- { "daemon-reexec", EQUAL, 1, clear_jobs },
- { "daemon-exit", EQUAL, 1, clear_jobs },
- { "show-environment", EQUAL, 1, show_enviroment },
- { "set-environment", MORE, 2, set_environment },
- { "unset-environment", MORE, 2, set_environment },
- { "halt", EQUAL, 1, start_special },
- { "poweroff", EQUAL, 1, start_special },
- { "reboot", EQUAL, 1, start_special },
- { "default", EQUAL, 1, start_special },
- { "rescue", EQUAL, 1, start_special },
- { "emergency", EQUAL, 1, start_special }
+ { "list-units", LESS, 1, list_units },
+ { "list-jobs", EQUAL, 1, list_jobs },
+ { "clear-jobs", EQUAL, 1, daemon_reload },
+ { "load", MORE, 2, load_unit },
+ { "cancel", MORE, 2, cancel_job },
+ { "start", MORE, 2, start_unit },
+ { "stop", MORE, 2, start_unit },
+ { "reload", MORE, 2, start_unit },
+ { "restart", MORE, 2, start_unit },
+ { "try-restart", MORE, 2, start_unit },
+ { "reload-or-restart", MORE, 2, start_unit },
+ { "reload-or-try-restart", MORE, 2, start_unit },
+ { "force-reload", MORE, 2, start_unit }, /* For compatibility with SysV */
+ { "condrestart", MORE, 2, start_unit }, /* For compatibility with RH */
+ { "isolate", EQUAL, 2, start_unit },
+ { "is-active", MORE, 2, check_unit },
+ { "check", MORE, 2, check_unit },
+ { "show", MORE, 1, show },
+ { "status", MORE, 2, show },
+ { "monitor", EQUAL, 1, monitor },
+ { "dump", EQUAL, 1, dump },
+ { "dot", EQUAL, 1, dot },
+ { "snapshot", LESS, 2, snapshot },
+ { "delete", MORE, 2, delete_snapshot },
+ { "daemon-reload", EQUAL, 1, daemon_reload },
+ { "daemon-reexec", EQUAL, 1, daemon_reload },
+ { "daemon-exit", EQUAL, 1, daemon_reload },
+ { "show-environment", EQUAL, 1, show_enviroment },
+ { "set-environment", MORE, 2, set_environment },
+ { "unset-environment", MORE, 2, set_environment },
+ { "halt", EQUAL, 1, start_special },
+ { "poweroff", EQUAL, 1, start_special },
+ { "reboot", EQUAL, 1, start_special },
+ { "default", EQUAL, 1, start_special },
+ { "rescue", EQUAL, 1, start_special },
+ { "emergency", EQUAL, 1, start_special },
+ { "reset-failed", MORE, 1, reset_failed },
+ { "enable", MORE, 2, enable_unit },
+ { "disable", MORE, 2, enable_unit },
+ { "is-enabled", MORE, 2, enable_unit }
};
int left;
unsigned i;
- assert(bus);
assert(argc >= 0);
assert(argv);
+ assert(error);
left = argc - optind;
assert_not_reached("Unknown comparison operator.");
}
+ /* Require a bus connection for all operations but
+ * enable/disable */
+ if (!streq(verbs[i].verb, "enable") &&
+ !streq(verbs[i].verb, "disable") &&
+ !bus) {
+ log_error("Failed to get D-Bus connection: %s", error->message);
+ return -EIO;
+ }
+
return verbs[i].dispatch(bus, argv + optind, left);
}
+static int send_shutdownd(usec_t t, char mode, bool warn, const char *message) {
+ int fd = -1;
+ struct msghdr msghdr;
+ struct iovec iovec;
+ union sockaddr_union sockaddr;
+ struct ucred *ucred;
+ union {
+ struct cmsghdr cmsghdr;
+ uint8_t buf[CMSG_SPACE(sizeof(struct ucred))];
+ } control;
+ struct shutdownd_command c;
+
+ zero(c);
+ c.elapse = t;
+ c.mode = mode;
+ c.warn_wall = warn;
+
+ if (message)
+ strncpy(c.wall_message, message, sizeof(c.wall_message));
+
+ if ((fd = socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0)) < 0)
+ return -errno;
+
+ zero(sockaddr);
+ sockaddr.sa.sa_family = AF_UNIX;
+ sockaddr.un.sun_path[0] = 0;
+ strncpy(sockaddr.un.sun_path+1, "/org/freedesktop/systemd1/shutdownd", sizeof(sockaddr.un.sun_path)-1);
+
+ zero(iovec);
+ iovec.iov_base = (char*) &c;
+ iovec.iov_len = sizeof(c);
+
+ zero(control);
+ control.cmsghdr.cmsg_level = SOL_SOCKET;
+ control.cmsghdr.cmsg_type = SCM_CREDENTIALS;
+ control.cmsghdr.cmsg_len = CMSG_LEN(sizeof(struct ucred));
+
+ ucred = (struct ucred*) CMSG_DATA(&control.cmsghdr);
+ ucred->pid = getpid();
+ ucred->uid = getuid();
+ ucred->gid = getgid();
+
+ zero(msghdr);
+ msghdr.msg_name = &sockaddr;
+ msghdr.msg_namelen = sizeof(sa_family_t) + 1 + sizeof("/org/freedesktop/systemd1/shutdownd") - 1;
+
+ msghdr.msg_iov = &iovec;
+ msghdr.msg_iovlen = 1;
+ msghdr.msg_control = &control;
+ msghdr.msg_controllen = control.cmsghdr.cmsg_len;
+
+ if (sendmsg(fd, &msghdr, MSG_NOSIGNAL) < 0) {
+ close_nointr_nofail(fd);
+ return -errno;
+ }
+
+ close_nointr_nofail(fd);
+ return 0;
+}
+
static int reload_with_fallback(DBusConnection *bus) {
- int r;
if (bus) {
/* First, try systemd via D-Bus. */
- if ((r = clear_jobs(bus, NULL, 0)) > 0)
+ if (daemon_reload(bus, NULL, 0) > 0)
return 0;
}
}
static int start_with_fallback(DBusConnection *bus) {
- int r;
-
- warn_wall(arg_action);
if (bus) {
/* First, try systemd via D-Bus. */
- if ((r = start_unit(bus, NULL, 0)) > 0)
- return 0;
-
- /* Hmm, talking to systemd via D-Bus didn't work. Then
- * let's try to talk to Upstart via D-Bus. */
- if ((r = talk_upstart()) > 0)
- return 0;
+ if (start_unit(bus, NULL, 0) > 0)
+ goto done;
}
+ /* Hmm, talking to systemd via D-Bus didn't work. Then
+ * let's try to talk to Upstart via D-Bus. */
+ if (talk_upstart() > 0)
+ goto done;
+
/* Nothing else worked, so let's try
* /dev/initctl */
- if ((r = talk_initctl()) != 0)
- return 0;
+ if (talk_initctl() > 0)
+ goto done;
log_error("Failed to talk to init daemon.");
return -EIO;
+
+done:
+ warn_wall(arg_action);
+ return 0;
}
static int halt_main(DBusConnection *bus) {
int r;
if (geteuid() != 0) {
- log_error("Must to be root.");
+ log_error("Must be root.");
return -EPERM;
}
+ if (arg_when > 0) {
+ char *m;
+ char date[FORMAT_TIMESTAMP_MAX];
+
+ m = strv_join(arg_wall, " ");
+ r = send_shutdownd(arg_when,
+ arg_action == ACTION_HALT ? 'H' :
+ arg_action == ACTION_POWEROFF ? 'P' :
+ 'r',
+ !arg_no_wall,
+ m);
+ free(m);
+
+ if (r < 0)
+ log_warning("Failed to talk to shutdownd, proceeding with immediate shutdown: %s", strerror(-r));
+ else {
+ log_info("Shutdown scheduled for %s, use 'shutdown -c' to cancel.",
+ format_timestamp(date, sizeof(date), arg_when));
+ return 0;
+ }
+ }
+
if (!arg_dry && !arg_immediate)
return start_with_fallback(bus);
- if (!arg_no_wtmp)
- if ((r = utmp_put_shutdown(0)) < 0)
+ if (!arg_no_wtmp) {
+ if (sd_booted() > 0)
+ log_debug("Not writing utmp record, assuming that systemd-update-utmp is used.");
+ else if ((r = utmp_put_shutdown(0)) < 0)
log_warning("Failed to write utmp record: %s", strerror(-r));
+ }
if (!arg_no_sync)
sync();
switch (arg_action) {
case ACTION_HALT:
- log_info("Halting");
+ log_info("Halting.");
reboot(RB_HALT_SYSTEM);
break;
case ACTION_POWEROFF:
- log_info("Powering off");
+ log_info("Powering off.");
reboot(RB_POWER_OFF);
break;
case ACTION_REBOOT:
- log_info("Rebooting");
+ log_info("Rebooting.");
reboot(RB_AUTOBOOT);
break;
int r, runlevel, previous;
if ((r = utmp_get_runlevel(&runlevel, &previous)) < 0) {
- printf("unknown");
+ printf("unknown\n");
return r;
}
dbus_error_init(&error);
log_parse_environment();
+ log_open();
if ((r = parse_argv(argc, argv)) < 0)
goto finish;
switch (arg_action) {
case ACTION_SYSTEMCTL: {
-
- if (!bus) {
- log_error("Failed to get D-Bus connection: %s", error.message);
- goto finish;
- }
-
- retval = systemctl_main(bus, argc, argv) < 0;
+ retval = systemctl_main(bus, argc, argv, &error) < 0;
break;
}
retval = reload_with_fallback(bus) < 0;
break;
+ case ACTION_CANCEL_SHUTDOWN:
+ retval = send_shutdownd(0, 0, false, NULL) < 0;
+ break;
+
case ACTION_INVALID:
case ACTION_RUNLEVEL:
default:
dbus_shutdown();
+ strv_free(arg_property);
+
return retval;
}
~ianmdlvl / elogind.git / blobdiff