+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <dbus/dbus.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <getopt.h>
-#include <pwd.h>
-
-#include "log.h"
-#include "util.h"
-#include "macro.h"
-#include "pager.h"
-#include "dbus-common.h"
-#include "build.h"
-#include "strv.h"
-#include "cgroup-show.h"
-#include "sysfs-show.h"
-
-static char **arg_property = NULL;
-static bool arg_all = false;
-static bool arg_no_pager = false;
-static const char *arg_kill_who = NULL;
-static int arg_signal = SIGTERM;
-static enum transport {
- TRANSPORT_NORMAL,
- TRANSPORT_SSH,
- TRANSPORT_POLKIT
-} arg_transport = TRANSPORT_NORMAL;
-static const char *arg_host = NULL;
-
-static bool on_tty(void) {
- static int t = -1;
-
- /* Note that this is invoked relatively early, before we start
- * the pager. That means the value we return reflects whether
- * we originally were started on a tty, not if we currently
- * are. But this is intended, since we want colour and so on
- * when run in our own pager. */
-
- if (_unlikely_(t < 0))
- t = isatty(STDOUT_FILENO) > 0;
-
- return t;
-}
-
-static void pager_open_if_enabled(void) {
-
- /* Cache result before we open the pager */
- on_tty();
-
- if (!arg_no_pager)
- pager_open();
-}
-
-static int list_sessions(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
- int r;
- DBusMessageIter iter, sub, sub2;
- unsigned k = 0;
-
- dbus_error_init(&error);
-
- assert(bus);
-
- pager_open_if_enabled();
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "ListSessions");
- if (!m) {
- log_error("Could not allocate message.");
- return -ENOMEM;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- 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) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- dbus_message_iter_recurse(&iter, &sub);
-
- if (on_tty())
- printf("%10s %10s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT");
-
- while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *id, *user, *seat, *object;
- uint32_t uid;
-
- 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_STRING, &id, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_UINT32, &uid, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &user, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &seat, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &object, false) < 0) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- printf("%10s %10u %-16s %-16s\n", id, (unsigned) uid, user, seat);
-
- k++;
-
- dbus_message_iter_next(&sub);
- }
-
- if (on_tty())
- printf("\n%u sessions 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 list_users(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
- int r;
- DBusMessageIter iter, sub, sub2;
- unsigned k = 0;
-
- dbus_error_init(&error);
-
- assert(bus);
-
- pager_open_if_enabled();
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "ListUsers");
- if (!m) {
- log_error("Could not allocate message.");
- return -ENOMEM;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- 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) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- dbus_message_iter_recurse(&iter, &sub);
-
- if (on_tty())
- printf("%10s %-16s\n", "UID", "USER");
-
- while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *user, *object;
- uint32_t uid;
-
- 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, &uid, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_STRING, &user, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &object, false) < 0) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- printf("%10u %-16s\n", (unsigned) uid, user);
-
- k++;
-
- dbus_message_iter_next(&sub);
- }
-
- if (on_tty())
- printf("\n%u users 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 list_seats(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- DBusError error;
- int r;
- DBusMessageIter iter, sub, sub2;
- unsigned k = 0;
-
- dbus_error_init(&error);
-
- assert(bus);
-
- pager_open_if_enabled();
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "ListSeats");
- if (!m) {
- log_error("Could not allocate message.");
- return -ENOMEM;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- 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) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- dbus_message_iter_recurse(&iter, &sub);
-
- if (on_tty())
- printf("%-16s\n", "SEAT");
-
- while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *seat, *object;
-
- 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_STRING, &seat, true) < 0 ||
- bus_iter_get_basic_and_next(&sub2, DBUS_TYPE_OBJECT_PATH, &object, false) < 0) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- printf("%-16s\n", seat);
-
- k++;
-
- dbus_message_iter_next(&sub);
- }
-
- if (on_tty())
- printf("\n%u seats listed.\n", k);
-
- r = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
-
- return r;
-}
-
-typedef struct SessionStatusInfo {
- const char *id;
- uid_t uid;
- const char *name;
- usec_t timestamp;
- const char *control_group;
- int vtnr;
- const char *seat;
- const char *tty;
- const char *display;
- bool remote;
- const char *remote_host;
- const char *remote_user;
- const char *service;
- pid_t leader;
- const char *type;
- bool active;
-} SessionStatusInfo;
-
-typedef struct UserStatusInfo {
- uid_t uid;
- const char *name;
- usec_t timestamp;
- const char *control_group;
- const char *state;
- char **sessions;
- const char *display;
-} UserStatusInfo;
-
-typedef struct SeatStatusInfo {
- const char *id;
- const char *active_session;
- char **sessions;
-} SeatStatusInfo;
-
-static void print_session_status_info(SessionStatusInfo *i) {
- char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
- char since2[FORMAT_TIMESTAMP_MAX], *s2;
- assert(i);
-
- printf("%s - ", strna(i->id));
-
- if (i->name)
- printf("%s (%u)\n", i->name, (unsigned) i->uid);
- else
- printf("%u\n", (unsigned) i->uid);
-
- s1 = format_timestamp_pretty(since1, sizeof(since1), i->timestamp);
- s2 = format_timestamp(since2, sizeof(since2), i->timestamp);
-
- if (s1)
- printf("\t Since: %s; %s\n", s2, s1);
- else if (s2)
- printf("\t Since: %s\n", s2);
-
- if (i->leader > 0) {
- char *t = NULL;
-
- printf("\t Leader: %u", (unsigned) i->leader);
-
- get_process_comm(i->leader, &t);
- if (t) {
- printf(" (%s)", t);
- free(t);
- }
-
- printf("\n");
- }
-
- if (i->seat) {
- printf("\t Seat: %s", i->seat);
-
- if (i->vtnr > 0)
- printf("; vc%i", i->vtnr);
-
- printf("\n");
- }
-
- if (i->tty)
- printf("\t TTY: %s\n", i->tty);
- else if (i->display)
- printf("\t Display: %s\n", i->display);
-
- if (i->remote_host && i->remote_user)
- printf("\t Remote: %s@%s\n", i->remote_user, i->remote_host);
- else if (i->remote_host)
- printf("\t Remote: %s\n", i->remote_host);
- else if (i->remote_user)
- printf("\t Remote: user %s\n", i->remote_user);
- else if (i->remote)
- printf("\t Remote: Yes\n");
-
- if (i->service) {
- printf("\t Service: %s", i->service);
-
- if (i->type)
- printf("; type %s", i->type);
-
- printf("\n");
- } else if (i->type)
- printf("\t Type: %s\n", i->type);
-
- printf("\t Active: %s\n", yes_no(i->active));
-
- if (i->control_group) {
- unsigned c;
-
- printf("\t CGroup: %s\n", i->control_group);
-
- if (arg_transport != TRANSPORT_SSH) {
- c = columns();
- if (c > 18)
- c -= 18;
- else
- c = 0;
-
- show_cgroup_by_path(i->control_group, "\t\t ", c);
- }
- }
-}
-
-static void print_user_status_info(UserStatusInfo *i) {
- char since1[FORMAT_TIMESTAMP_PRETTY_MAX], *s1;
- char since2[FORMAT_TIMESTAMP_MAX], *s2;
- assert(i);
-
- if (i->name)
- printf("%s (%u)\n", i->name, (unsigned) i->uid);
- else
- printf("%u\n", (unsigned) i->uid);
-
- s1 = format_timestamp_pretty(since1, sizeof(since1), i->timestamp);
- s2 = format_timestamp(since2, sizeof(since2), i->timestamp);
-
- if (s1)
- printf("\t Since: %s; %s\n", s2, s1);
- else if (s2)
- printf("\t Since: %s\n", s2);
-
- if (!isempty(i->state))
- printf("\t State: %s\n", i->state);
-
- if (!strv_isempty(i->sessions)) {
- char **l;
- printf("\tSessions:");
-
- STRV_FOREACH(l, i->sessions) {
- if (streq_ptr(*l, i->display))
- printf(" *%s", *l);
- else
- printf(" %s", *l);
- }
-
- printf("\n");
- }
-
- if (i->control_group) {
- unsigned c;
-
- printf("\t CGroup: %s\n", i->control_group);
-
- if (arg_transport != TRANSPORT_SSH) {
- c = columns();
- if (c > 18)
- c -= 18;
- else
- c = 0;
-
- show_cgroup_by_path(i->control_group, "\t\t ", c);
- }
- }
-}
-
-static void print_seat_status_info(SeatStatusInfo *i) {
- assert(i);
-
- printf("%s\n", strna(i->id));
-
- if (!strv_isempty(i->sessions)) {
- char **l;
- printf("\tSessions:");
-
- STRV_FOREACH(l, i->sessions) {
- if (streq_ptr(*l, i->active_session))
- printf(" *%s", *l);
- else
- printf(" %s", *l);
- }
-
- printf("\n");
- }
-
- if (arg_transport != TRANSPORT_SSH) {
- unsigned c;
-
- c = columns();
- if (c > 21)
- c -= 21;
- else
- c = 0;
-
- printf("\t Devices:\n");
-
- show_sysfs(i->id, "\t\t ", c);
- }
-}
-
-static int status_property_session(const char *name, DBusMessageIter *iter, SessionStatusInfo *i) {
- assert(name);
- assert(iter);
- assert(i);
-
- switch (dbus_message_iter_get_arg_type(iter)) {
-
- case DBUS_TYPE_STRING: {
- const char *s;
-
- dbus_message_iter_get_basic(iter, &s);
-
- if (!isempty(s)) {
- if (streq(name, "Id"))
- i->id = s;
- else if (streq(name, "Name"))
- i->name = s;
- else if (streq(name, "ControlGroupPath"))
- i->control_group = s;
- else if (streq(name, "TTY"))
- i->tty = s;
- else if (streq(name, "Display"))
- i->display = s;
- else if (streq(name, "RemoteHost"))
- i->remote_host = s;
- else if (streq(name, "RemoteUser"))
- i->remote_user = s;
- else if (streq(name, "Service"))
- i->service = s;
- else if (streq(name, "Type"))
- i->type = s;
- }
- break;
- }
-
- case DBUS_TYPE_UINT32: {
- uint32_t u;
-
- dbus_message_iter_get_basic(iter, &u);
-
- if (streq(name, "VTNr"))
- i->vtnr = (int) u;
- else if (streq(name, "Leader"))
- i->leader = (pid_t) u;
-
- break;
- }
-
- case DBUS_TYPE_BOOLEAN: {
- dbus_bool_t b;
-
- dbus_message_iter_get_basic(iter, &b);
-
- if (streq(name, "Remote"))
- i->remote = b;
- else if (streq(name, "Active"))
- i->active = b;
-
- break;
- }
-
- case DBUS_TYPE_UINT64: {
- uint64_t u;
-
- dbus_message_iter_get_basic(iter, &u);
-
- if (streq(name, "Timestamp"))
- i->timestamp = (usec_t) u;
-
- break;
- }
-
- case DBUS_TYPE_STRUCT: {
- DBusMessageIter sub;
-
- dbus_message_iter_recurse(iter, &sub);
-
- if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_UINT32 && streq(name, "User")) {
- uint32_t u;
-
- dbus_message_iter_get_basic(&sub, &u);
- i->uid = (uid_t) u;
-
- } else if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Seat")) {
- const char *s;
-
- dbus_message_iter_get_basic(&sub, &s);
-
- if (!isempty(s))
- i->seat = s;
- }
-
- break;
- }
- }
-
- return 0;
-}
-
-static int status_property_user(const char *name, DBusMessageIter *iter, UserStatusInfo *i) {
- assert(name);
- assert(iter);
- assert(i);
-
- switch (dbus_message_iter_get_arg_type(iter)) {
-
- case DBUS_TYPE_STRING: {
- const char *s;
-
- dbus_message_iter_get_basic(iter, &s);
-
- if (!isempty(s)) {
- if (streq(name, "Name"))
- i->name = s;
- else if (streq(name, "ControlGroupPath"))
- i->control_group = s;
- else if (streq(name, "State"))
- i->state = s;
- }
- break;
- }
-
- case DBUS_TYPE_UINT32: {
- uint32_t u;
-
- dbus_message_iter_get_basic(iter, &u);
-
- if (streq(name, "UID"))
- i->uid = (uid_t) u;
-
- break;
- }
-
- case DBUS_TYPE_UINT64: {
- uint64_t u;
-
- dbus_message_iter_get_basic(iter, &u);
-
- if (streq(name, "Timestamp"))
- i->timestamp = (usec_t) u;
-
- break;
- }
-
- case DBUS_TYPE_STRUCT: {
- DBusMessageIter sub;
-
- dbus_message_iter_recurse(iter, &sub);
-
- if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "Display")) {
- const char *s;
-
- dbus_message_iter_get_basic(&sub, &s);
-
- if (!isempty(s))
- i->display = s;
- }
-
- break;
- }
-
- case DBUS_TYPE_ARRAY: {
-
- if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Sessions")) {
- DBusMessageIter sub, sub2;
-
- dbus_message_iter_recurse(iter, &sub);
- while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
- const char *id;
- const char *path;
-
- 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_OBJECT_PATH, &path, false) >= 0) {
- char **l;
-
- l = strv_append(i->sessions, id);
- if (!l)
- return -ENOMEM;
-
- strv_free(i->sessions);
- i->sessions = l;
- }
-
- dbus_message_iter_next(&sub);
- }
-
- return 0;
- }
- }
- }
-
- return 0;
-}
-
-static int status_property_seat(const char *name, DBusMessageIter *iter, SeatStatusInfo *i) {
- assert(name);
- assert(iter);
- assert(i);
-
- switch (dbus_message_iter_get_arg_type(iter)) {
-
- case DBUS_TYPE_STRING: {
- const char *s;
-
- dbus_message_iter_get_basic(iter, &s);
-
- if (!isempty(s)) {
- if (streq(name, "Id"))
- i->id = s;
- }
- break;
- }
-
- case DBUS_TYPE_STRUCT: {
- DBusMessageIter sub;
-
- dbus_message_iter_recurse(iter, &sub);
-
- if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING && streq(name, "ActiveSession")) {
- const char *s;
-
- dbus_message_iter_get_basic(&sub, &s);
-
- if (!isempty(s))
- i->active_session = s;
- }
-
- break;
- }
-
- case DBUS_TYPE_ARRAY: {
-
- if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Sessions")) {
- DBusMessageIter sub, sub2;
-
- dbus_message_iter_recurse(iter, &sub);
- while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
- const char *id;
- const char *path;
-
- 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_OBJECT_PATH, &path, false) >= 0) {
- char **l;
-
- l = strv_append(i->sessions, id);
- if (!l)
- return -ENOMEM;
-
- strv_free(i->sessions);
- i->sessions = l;
- }
-
- dbus_message_iter_next(&sub);
- }
-
- return 0;
- }
- }
- }
-
- return 0;
-}
-
-static int print_property(const char *name, DBusMessageIter *iter) {
- assert(name);
- assert(iter);
-
- if (arg_property && !strv_find(arg_property, name))
- return 0;
-
- switch (dbus_message_iter_get_arg_type(iter)) {
-
- case DBUS_TYPE_STRUCT: {
- DBusMessageIter sub;
-
- dbus_message_iter_recurse(iter, &sub);
-
- if (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING &&
- (streq(name, "Display") || streq(name, "ActiveSession"))) {
- const char *s;
-
- dbus_message_iter_get_basic(&sub, &s);
-
- if (arg_all || !isempty(s))
- printf("%s=%s\n", name, s);
- return 0;
- }
- break;
- }
-
- case DBUS_TYPE_ARRAY:
-
- if (dbus_message_iter_get_element_type(iter) == DBUS_TYPE_STRUCT && streq(name, "Sessions")) {
- DBusMessageIter sub, sub2;
- bool found = false;
-
- dbus_message_iter_recurse(iter, &sub);
- while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRUCT) {
- const char *id;
- const char *path;
-
- 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_OBJECT_PATH, &path, false) >= 0) {
- if (found)
- printf(" %s", id);
- else {
- printf("%s=%s", name, id);
- found = true;
- }
- }
-
- dbus_message_iter_next(&sub);
- }
-
- if (!found && arg_all)
- printf("%s=\n", name);
- else if (found)
- printf("\n");
-
- return 0;
- }
-
- break;
- }
-
- if (generic_print_property(name, iter, arg_all) > 0)
- return 0;
-
- if (arg_all)
- printf("%s=[unprintable]\n", name);
-
- return 0;
-}
-
-static int show_one(const char *verb, DBusConnection *bus, const char *path, bool show_properties, bool *new_line) {
- DBusMessage *m = NULL, *reply = NULL;
- const char *interface = "";
- int r;
- DBusError error;
- DBusMessageIter iter, sub, sub2, sub3;
- SessionStatusInfo session_info;
- UserStatusInfo user_info;
- SeatStatusInfo seat_info;
-
- assert(bus);
- assert(path);
- assert(new_line);
-
- zero(session_info);
- zero(user_info);
- zero(seat_info);
-
- dbus_error_init(&error);
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- path,
- "org.freedesktop.DBus.Properties",
- "GetAll");
- if (!m) {
- log_error("Could not allocate message.");
- 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;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- 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_DICT_ENTRY) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- dbus_message_iter_recurse(&iter, &sub);
-
- if (*new_line)
- printf("\n");
-
- *new_line = true;
-
- while (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_INVALID) {
- const char *name;
-
- 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_STRING, &name, true) < 0) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- 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 (show_properties)
- r = print_property(name, &sub3);
- else if (strstr(verb, "session"))
- r = status_property_session(name, &sub3, &session_info);
- else if (strstr(verb, "user"))
- r = status_property_user(name, &sub3, &user_info);
- else
- r = status_property_seat(name, &sub3, &seat_info);
-
- if (r < 0) {
- log_error("Failed to parse reply.");
- r = -EIO;
- goto finish;
- }
-
- dbus_message_iter_next(&sub);
- }
-
- if (!show_properties) {
- if (strstr(verb, "session"))
- print_session_status_info(&session_info);
- else if (strstr(verb, "user"))
- print_user_status_info(&user_info);
- else
- print_seat_status_info(&seat_info);
- }
-
- strv_free(seat_info.sessions);
- strv_free(user_info.sessions);
-
- r = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
-
- return r;
-}
-
-static int show(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- int r, ret = 0;
- DBusError error;
- unsigned i;
- bool show_properties, new_line = false;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- show_properties = !strstr(args[0], "status");
-
- if (show_properties)
- pager_open_if_enabled();
-
- if (show_properties && n <= 1) {
- /* If not argument is specified inspect the manager
- * itself */
-
- ret = show_one(args[0], bus, "/org/freedesktop/login1", show_properties, &new_line);
- goto finish;
- }
-
- for (i = 1; i < n; i++) {
- const char *path = NULL;
-
- if (strstr(args[0], "session")) {
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "GetSession");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -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.");
- ret = -ENOMEM;
- goto finish;
- }
-
- } else if (strstr(args[0], "user")) {
- uid_t uid;
- uint32_t u;
-
- ret = get_user_creds((const char**) (args+i), &uid, NULL, NULL);
- if (ret < 0) {
- log_error("User %s unknown.", args[i]);
- goto finish;
- }
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "GetUser");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- u = (uint32_t) uid;
- if (!dbus_message_append_args(m,
- DBUS_TYPE_UINT32, &u,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- ret = -ENOMEM;
- goto finish;
- }
- } else {
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "GetSeat");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -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.");
- ret = -ENOMEM;
- goto finish;
- }
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -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));
- ret = -EIO;
- goto finish;
- }
-
- r = show_one(args[0], bus, path, show_properties, &new_line);
- if (r != 0)
- ret = r;
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
- }
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int activate(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL;
- int ret = 0;
- DBusError error;
- unsigned i;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- for (i = 1; i < n; i++) {
- DBusMessage *reply;
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- streq(args[0], "lock-session") ? "LockSession" :
- streq(args[0], "unlock-session") ? "UnlockSession" :
- streq(args[0], "terminate-session") ? "TerminateSession" :
- "ActivateSession");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -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.");
- ret = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
- }
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int kill_session(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL;
- int ret = 0;
- DBusError error;
- unsigned i;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- if (!arg_kill_who)
- arg_kill_who = "all";
-
- for (i = 1; i < n; i++) {
- DBusMessage *reply;
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "KillSession");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &args[i],
- DBUS_TYPE_STRING, &arg_kill_who,
- DBUS_TYPE_INT32, arg_signal,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
- }
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int enable_linger(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL;
- int ret = 0;
- DBusError error;
- unsigned i;
- dbus_bool_t b, interactive = true;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- b = streq(args[0], "enable-linger");
-
- for (i = 1; i < n; i++) {
- DBusMessage *reply;
- uint32_t u;
- uid_t uid;
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "SetUserLinger");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- ret = get_user_creds((const char**) (args+i), &uid, NULL, NULL);
- if (ret < 0) {
- log_error("Failed to resolve user %s: %s", args[i], strerror(-ret));
- goto finish;
- }
-
- u = (uint32_t) uid;
- if (!dbus_message_append_args(m,
- DBUS_TYPE_UINT32, &u,
- DBUS_TYPE_BOOLEAN, &b,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
- }
-
- ret = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int terminate_user(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL;
- int ret = 0;
- DBusError error;
- unsigned i;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- for (i = 1; i < n; i++) {
- uint32_t u;
- uid_t uid;
- DBusMessage *reply;
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "TerminateUser");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- ret = get_user_creds((const char**) (args+i), &uid, NULL, NULL);
- if (ret < 0) {
- log_error("Failed to look up user %s: %s", args[i], strerror(-ret));
- goto finish;
- }
-
- u = (uint32_t) uid;
- if (!dbus_message_append_args(m,
- DBUS_TYPE_UINT32, &u,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
- }
-
- ret = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int kill_user(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL;
- int ret = 0;
- DBusError error;
- unsigned i;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- if (!arg_kill_who)
- arg_kill_who = "all";
-
- for (i = 1; i < n; i++) {
- DBusMessage *reply;
- uid_t uid;
- uint32_t u;
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "KillUser");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- ret = get_user_creds((const char**) (args+i), &uid, NULL, NULL);
- if (ret < 0) {
- log_error("Failed to look up user %s: %s", args[i], strerror(-ret));
- goto finish;
- }
-
- u = (uint32_t) uid;
- if (!dbus_message_append_args(m,
- DBUS_TYPE_UINT32, &u,
- DBUS_TYPE_INT32, arg_signal,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
- }
-
- ret = 0;
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int attach(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL;
- int ret = 0;
- DBusError error;
- unsigned i;
- dbus_bool_t interactive = true;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- for (i = 2; i < n; i++) {
- DBusMessage *reply;
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "AttachDevice");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- if (!dbus_message_append_args(m,
- DBUS_TYPE_STRING, &args[1],
- DBUS_TYPE_STRING, &args[i],
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
- }
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int flush_devices(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL, *reply = NULL;
- int ret = 0;
- DBusError error;
- dbus_bool_t interactive = true;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "FlushDevices");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- if (!dbus_message_append_args(m,
- DBUS_TYPE_BOOLEAN, &interactive,
- DBUS_TYPE_INVALID)) {
- log_error("Could not append arguments to message.");
- ret = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
- }
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- if (reply)
- dbus_message_unref(reply);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int terminate_seat(DBusConnection *bus, char **args, unsigned n) {
- DBusMessage *m = NULL;
- int ret = 0;
- DBusError error;
- unsigned i;
-
- assert(bus);
- assert(args);
-
- dbus_error_init(&error);
-
- for (i = 1; i < n; i++) {
- DBusMessage *reply;
-
- m = dbus_message_new_method_call(
- "org.freedesktop.login1",
- "/org/freedesktop/login1",
- "org.freedesktop.login1.Manager",
- "TerminateSeat");
- if (!m) {
- log_error("Could not allocate message.");
- ret = -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.");
- ret = -ENOMEM;
- goto finish;
- }
-
- reply = dbus_connection_send_with_reply_and_block(bus, m, -1, &error);
- if (!reply) {
- log_error("Failed to issue method call: %s", bus_error_message(&error));
- ret = -EIO;
- goto finish;
- }
-
- dbus_message_unref(m);
- dbus_message_unref(reply);
- m = reply = NULL;
- }
-
-finish:
- if (m)
- dbus_message_unref(m);
-
- dbus_error_free(&error);
-
- return ret;
-}
-
-static int help(void) {
-
- printf("%s [OPTIONS...] {COMMAND} ...\n\n"
- "Send control commands to or query the login manager.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " -p --property=NAME Show only properties by this name\n"
- " -a --all Show all properties, including empty ones\n"
- " --kill-who=WHO Who to send signal to\n"
- " -s --signal=SIGNAL Which signal to send\n"
- " -H --host=[USER@]HOST\n"
- " Show information for remote host\n"
- " -P --privileged Acquire privileges before execution\n"
- " --no-pager Do not pipe output into a pager\n\n"
- "Commands:\n"
- " list-sessions List sessions\n"
- " session-status [ID...] Show session status\n"
- " show-session [ID...] Show properties of one or more sessions\n"
- " activate [ID] Activate a session\n"
- " lock-session [ID...] Screen lock one or more sessions\n"
- " unlock-session [ID...] Screen unlock one or more sessions\n"
- " terminate-session [ID...] Terminate one or more sessions\n"
- " kill-session [ID...] Send signal to processes of a session\n"
- " list-users List users\n"
- " user-status [USER...] Show user status\n"
- " show-user [USER...] Show properties of one or more users\n"
- " enable-linger [USER...] Enable linger state of one or more users\n"
- " disable-linger [USER...] Disable linger state of one or more users\n"
- " terminate-user [USER...] Terminate all sessions of one or more users\n"
- " kill-user [USER...] Send signal to processes of a user\n"
- " list-seats List seats\n"
- " seat-status [NAME...] Show seat status\n"
- " show-seat [NAME...] Show properties of one or more seats\n"
- " attach [NAME] [DEVICE...] Attach one or more devices to a seat\n"
- " flush-devices Flush all device associations\n"
- " terminate-seat [NAME...] Terminate all sessions on one or more seats\n",
- program_invocation_short_name);
-
- return 0;
-}
-
-static int parse_argv(int argc, char *argv[]) {
-
- enum {
- ARG_VERSION = 0x100,
- ARG_NO_PAGER,
- ARG_KILL_WHO
- };
-
- static const struct option options[] = {
- { "help", no_argument, NULL, 'h' },
- { "version", no_argument, NULL, ARG_VERSION },
- { "property", required_argument, NULL, 'p' },
- { "all", no_argument, NULL, 'a' },
- { "no-pager", no_argument, NULL, ARG_NO_PAGER },
- { "kill-who", required_argument, NULL, ARG_KILL_WHO },
- { "signal", required_argument, NULL, 's' },
- { "host", required_argument, NULL, 'H' },
- { "privileged",no_argument, NULL, 'P' },
- { NULL, 0, NULL, 0 }
- };
-
- int c;
-
- assert(argc >= 0);
- assert(argv);
-
- while ((c = getopt_long(argc, argv, "hp:as:H:P", options, NULL)) >= 0) {
-
- switch (c) {
-
- case 'h':
- help();
- return 0;
-
- case ARG_VERSION:
- puts(PACKAGE_STRING);
- puts(DISTRIBUTION);
- puts(SYSTEMD_FEATURES);
- return 0;
-
- case 'p': {
- char **l;
-
- l = strv_append(arg_property, optarg);
- if (!l)
- 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;
- break;
-
- case ARG_NO_PAGER:
- arg_no_pager = true;
- break;
-
- case ARG_KILL_WHO:
- arg_kill_who = optarg;
- break;
-
- case 's':
- arg_signal = signal_from_string_try_harder(optarg);
- if (arg_signal < 0) {
- log_error("Failed to parse signal string %s.", optarg);
- return -EINVAL;
- }
- break;
-
- case 'P':
- arg_transport = TRANSPORT_POLKIT;
- break;
-
- case 'H':
- arg_transport = TRANSPORT_SSH;
- arg_host = optarg;
- break;
-
- case '?':
- return -EINVAL;
-
- default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
- }
- }
-
- return 1;
-}
-
-static int loginctl_main(DBusConnection *bus, int argc, char *argv[], DBusError *error) {
-
- static const struct {
- const char* verb;
- const enum {
- MORE,
- LESS,
- EQUAL
- } argc_cmp;
- const int argc;
- int (* const dispatch)(DBusConnection *bus, char **args, unsigned n);
- } verbs[] = {
- { "list-sessions", LESS, 1, list_sessions },
- { "session-status", MORE, 2, show },
- { "show-session", MORE, 1, show },
- { "activate", EQUAL, 2, activate },
- { "lock-session", MORE, 2, activate },
- { "unlock-session", MORE, 2, activate },
- { "terminate-session", MORE, 2, activate },
- { "kill-session", MORE, 2, kill_session },
- { "list-users", EQUAL, 1, list_users },
- { "user-status", MORE, 2, show },
- { "show-user", MORE, 1, show },
- { "enable-linger", MORE, 2, enable_linger },
- { "disable-linger", MORE, 2, enable_linger },
- { "terminate-user", MORE, 2, terminate_user },
- { "kill-user", MORE, 2, kill_user },
- { "list-seats", EQUAL, 1, list_seats },
- { "seat-status", MORE, 2, show },
- { "show-seat", MORE, 1, show },
- { "attach", MORE, 3, attach },
- { "flush-devices", EQUAL, 1, flush_devices },
- { "terminate-seat", MORE, 2, terminate_seat },
- };
-
- int left;
- unsigned i;
-
- assert(argc >= 0);
- assert(argv);
- assert(error);
-
- left = argc - optind;
-
- if (left <= 0)
- /* Special rule: no arguments means "list-sessions" */
- i = 0;
- else {
- if (streq(argv[optind], "help")) {
- help();
- return 0;
- }
-
- for (i = 0; i < ELEMENTSOF(verbs); i++)
- if (streq(argv[optind], verbs[i].verb))
- break;
-
- if (i >= ELEMENTSOF(verbs)) {
- log_error("Unknown operation %s", argv[optind]);
- return -EINVAL;
- }
- }
-
- switch (verbs[i].argc_cmp) {
-
- case EQUAL:
- if (left != verbs[i].argc) {
- log_error("Invalid number of arguments.");
- return -EINVAL;
- }
-
- break;
-
- case MORE:
- if (left < verbs[i].argc) {
- log_error("Too few arguments.");
- return -EINVAL;
- }
-
- break;
-
- case LESS:
- if (left > verbs[i].argc) {
- log_error("Too many arguments.");
- return -EINVAL;
- }
-
- break;
-
- default:
- assert_not_reached("Unknown comparison operator.");
- }
-
- if (!bus) {
- log_error("Failed to get D-Bus connection: %s", error->message);
- return -EIO;
- }
-
- return verbs[i].dispatch(bus, argv + optind, left);
-}
-
-int main(int argc, char*argv[]) {
- int r, retval = EXIT_FAILURE;
- DBusConnection *bus = NULL;
- DBusError error;
-
- dbus_error_init(&error);
-
- log_parse_environment();
- log_open();
-
- r = parse_argv(argc, argv);
- if (r < 0)
- goto finish;
- else if (r == 0) {
- retval = EXIT_SUCCESS;
- goto finish;
- }
-
- if (arg_transport == TRANSPORT_NORMAL)
- bus = dbus_bus_get_private(DBUS_BUS_SYSTEM, &error);
- else if (arg_transport == TRANSPORT_POLKIT)
- bus_connect_system_polkit(&bus, &error);
- else if (arg_transport == TRANSPORT_SSH)
- bus_connect_system_ssh(NULL, arg_host, &bus, &error);
- else
- assert_not_reached("Uh, invalid transport...");
-
- r = loginctl_main(bus, argc, argv, &error);
- retval = r < 0 ? EXIT_FAILURE : r;
-
-finish:
- if (bus) {
- dbus_connection_flush(bus);
- dbus_connection_close(bus);
- dbus_connection_unref(bus);
- }
-
- dbus_error_free(&error);
- dbus_shutdown();
-
- strv_free(arg_property);
-
- pager_close();
-
- return retval;
-}
~ianmdlvl / elogind.git / blobdiff