| /*-*- 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 Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with systemd; If not, see <http://www.gnu.org/licenses/>. |
| ***/ |
| |
| #include <unistd.h> |
| #include <errno.h> |
| #include <string.h> |
| #include <getopt.h> |
| #include <pwd.h> |
| #include <locale.h> |
| |
| #include "sd-bus.h" |
| #include "bus-util.h" |
| #include "bus-error.h" |
| #include "log.h" |
| #include "util.h" |
| #include "macro.h" |
| #include "pager.h" |
| #include "build.h" |
| #include "strv.h" |
| #include "unit-name.h" |
| #include "sysfs-show.h" |
| #include "logs-show.h" |
| #include "cgroup-show.h" |
| #include "cgroup-util.h" |
| #include "spawn-polkit-agent.h" |
| #include "verbs.h" |
| |
| static char **arg_property = NULL; |
| static bool arg_all = false; |
| static bool arg_full = false; |
| static bool arg_no_pager = false; |
| static bool arg_legend = true; |
| static const char *arg_kill_who = NULL; |
| static int arg_signal = SIGTERM; |
| static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; |
| static char *arg_host = NULL; |
| static bool arg_ask_password = true; |
| static unsigned arg_lines = 10; |
| static OutputMode arg_output = OUTPUT_SHORT; |
| |
| static void pager_open_if_enabled(void) { |
| |
| if (arg_no_pager) |
| return; |
| |
| pager_open(false); |
| } |
| |
| static void polkit_agent_open_if_enabled(void) { |
| |
| /* Open the polkit agent as a child process if necessary */ |
| |
| if (!arg_ask_password) |
| return; |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL) |
| return; |
| |
| polkit_agent_open(); |
| } |
| |
| static OutputFlags get_output_flags(void) { |
| |
| return |
| arg_all * OUTPUT_SHOW_ALL | |
| arg_full * OUTPUT_FULL_WIDTH | |
| (!on_tty() || pager_have()) * OUTPUT_FULL_WIDTH | |
| on_tty() * OUTPUT_COLOR; |
| } |
| |
| static int list_sessions(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| const char *id, *user, *seat, *object; |
| sd_bus *bus = userdata; |
| unsigned k = 0; |
| uint32_t uid; |
| int r; |
| |
| assert(bus); |
| assert(argv); |
| |
| pager_open_if_enabled(); |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "ListSessions", |
| &error, &reply, |
| ""); |
| if (r < 0) { |
| log_error("Failed to list sessions: %s", bus_error_message(&error, r)); |
| return r; |
| } |
| |
| r = sd_bus_message_enter_container(reply, 'a', "(susso)"); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (arg_legend) |
| printf("%10s %10s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT"); |
| |
| while ((r = sd_bus_message_read(reply, "(susso)", &id, &uid, &user, &seat, &object)) > 0) { |
| printf("%10s %10u %-16s %-16s\n", id, (unsigned) uid, user, seat); |
| k++; |
| } |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (arg_legend) |
| printf("\n%u sessions listed.\n", k); |
| |
| return 0; |
| } |
| |
| static int list_users(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| const char *user, *object; |
| sd_bus *bus = userdata; |
| unsigned k = 0; |
| uint32_t uid; |
| int r; |
| |
| assert(bus); |
| assert(argv); |
| |
| pager_open_if_enabled(); |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "ListUsers", |
| &error, &reply, |
| ""); |
| if (r < 0) { |
| log_error("Failed to list users: %s", bus_error_message(&error, r)); |
| return r; |
| } |
| |
| r = sd_bus_message_enter_container(reply, 'a', "(uso)"); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (arg_legend) |
| printf("%10s %-16s\n", "UID", "USER"); |
| |
| while ((r = sd_bus_message_read(reply, "(uso)", &uid, &user, &object)) > 0) { |
| printf("%10u %-16s\n", (unsigned) uid, user); |
| k++; |
| } |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (arg_legend) |
| printf("\n%u users listed.\n", k); |
| |
| return 0; |
| } |
| |
| static int list_seats(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| const char *seat, *object; |
| sd_bus *bus = userdata; |
| unsigned k = 0; |
| int r; |
| |
| assert(bus); |
| assert(argv); |
| |
| pager_open_if_enabled(); |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "ListSeats", |
| &error, &reply, |
| ""); |
| if (r < 0) { |
| log_error("Failed to list seats: %s", bus_error_message(&error, r)); |
| return r; |
| } |
| |
| r = sd_bus_message_enter_container(reply, 'a', "(so)"); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (arg_legend) |
| printf("%-16s\n", "SEAT"); |
| |
| while ((r = sd_bus_message_read(reply, "(so)", &seat, &object)) > 0) { |
| printf("%-16s\n", seat); |
| k++; |
| } |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (arg_legend) |
| printf("\n%u seats listed.\n", k); |
| |
| return 0; |
| } |
| |
| static int show_unit_cgroup(sd_bus *bus, const char *interface, const char *unit, pid_t leader) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; |
| _cleanup_free_ char *path = NULL; |
| const char *cgroup; |
| int r; |
| unsigned c; |
| |
| assert(bus); |
| assert(unit); |
| |
| if (arg_transport != BUS_TRANSPORT_LOCAL) |
| return 0; |
| |
| path = unit_dbus_path_from_name(unit); |
| if (!path) |
| return -ENOMEM; |
| |
| r = sd_bus_get_property( |
| bus, |
| "org.freedesktop.systemd1", |
| path, |
| interface, |
| "ControlGroup", |
| &error, &reply, "s"); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_read(reply, "s", &cgroup); |
| if (r < 0) |
| return r; |
| |
| if (isempty(cgroup)) |
| return 0; |
| |
| if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0) |
| return 0; |
| |
| c = columns(); |
| if (c > 18) |
| c -= 18; |
| else |
| c = 0; |
| |
| show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, get_output_flags()); |
| return 0; |
| } |
| |
| typedef struct SessionStatusInfo { |
| const char *id; |
| uid_t uid; |
| const char *name; |
| struct dual_timestamp timestamp; |
| unsigned 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; |
| const char *class; |
| const char *state; |
| const char *scope; |
| const char *desktop; |
| } SessionStatusInfo; |
| |
| typedef struct UserStatusInfo { |
| uid_t uid; |
| const char *name; |
| struct dual_timestamp timestamp; |
| const char *state; |
| char **sessions; |
| const char *display; |
| const char *slice; |
| } UserStatusInfo; |
| |
| typedef struct SeatStatusInfo { |
| const char *id; |
| const char *active_session; |
| char **sessions; |
| } SeatStatusInfo; |
| |
| static int prop_map_first_of_struct(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { |
| const char *contents; |
| int r; |
| |
| r = sd_bus_message_peek_type(m, NULL, &contents); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_enter_container(m, SD_BUS_TYPE_STRUCT, contents); |
| if (r < 0) |
| return r; |
| |
| if (contents[0] == 's' || contents[0] == 'o') { |
| const char *s; |
| char **p = (char **) userdata; |
| |
| r = sd_bus_message_read_basic(m, contents[0], &s); |
| if (r < 0) |
| return r; |
| |
| free(*p); |
| *p = strdup(s); |
| |
| if (!*p) |
| return -ENOMEM; |
| } else { |
| r = sd_bus_message_read_basic(m, contents[0], userdata); |
| if (r < 0) |
| return r; |
| } |
| |
| r = sd_bus_message_skip(m, contents+1); |
| if (r < 0) |
| return r; |
| |
| r = sd_bus_message_exit_container(m); |
| if (r < 0) |
| return r; |
| |
| return 0; |
| } |
| |
| static int prop_map_sessions_strv(sd_bus *bus, const char *member, sd_bus_message *m, sd_bus_error *error, void *userdata) { |
| const char *name; |
| int r; |
| |
| assert(bus); |
| assert(m); |
| |
| r = sd_bus_message_enter_container(m, 'a', "(so)"); |
| if (r < 0) |
| return r; |
| |
| while ((r = sd_bus_message_read(m, "(so)", &name, NULL)) > 0) { |
| r = strv_extend(userdata, name); |
| if (r < 0) |
| return r; |
| } |
| if (r < 0) |
| return r; |
| |
| return sd_bus_message_exit_container(m); |
| } |
| |
| static int print_session_status_info(sd_bus *bus, const char *path, bool *new_line) { |
| |
| static const struct bus_properties_map map[] = { |
| { "Id", "s", NULL, offsetof(SessionStatusInfo, id) }, |
| { "Name", "s", NULL, offsetof(SessionStatusInfo, name) }, |
| { "TTY", "s", NULL, offsetof(SessionStatusInfo, tty) }, |
| { "Display", "s", NULL, offsetof(SessionStatusInfo, display) }, |
| { "RemoteHost", "s", NULL, offsetof(SessionStatusInfo, remote_host) }, |
| { "RemoteUser", "s", NULL, offsetof(SessionStatusInfo, remote_user) }, |
| { "Service", "s", NULL, offsetof(SessionStatusInfo, service) }, |
| { "Desktop", "s", NULL, offsetof(SessionStatusInfo, desktop) }, |
| { "Type", "s", NULL, offsetof(SessionStatusInfo, type) }, |
| { "Class", "s", NULL, offsetof(SessionStatusInfo, class) }, |
| { "Scope", "s", NULL, offsetof(SessionStatusInfo, scope) }, |
| { "State", "s", NULL, offsetof(SessionStatusInfo, state) }, |
| { "VTNr", "u", NULL, offsetof(SessionStatusInfo, vtnr) }, |
| { "Leader", "u", NULL, offsetof(SessionStatusInfo, leader) }, |
| { "Remote", "b", NULL, offsetof(SessionStatusInfo, remote) }, |
| { "Timestamp", "t", NULL, offsetof(SessionStatusInfo, timestamp.realtime) }, |
| { "TimestampMonotonic", "t", NULL, offsetof(SessionStatusInfo, timestamp.monotonic) }, |
| { "User", "(uo)", prop_map_first_of_struct, offsetof(SessionStatusInfo, uid) }, |
| { "Seat", "(so)", prop_map_first_of_struct, offsetof(SessionStatusInfo, seat) }, |
| {} |
| }; |
| |
| char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1; |
| char since2[FORMAT_TIMESTAMP_MAX], *s2; |
| SessionStatusInfo i = {}; |
| int r; |
| |
| r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i); |
| if (r < 0) |
| return log_error_errno(r, "Could not get properties: %m"); |
| |
| if (*new_line) |
| printf("\n"); |
| |
| *new_line = true; |
| |
| 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_relative(since1, sizeof(since1), i.timestamp.realtime); |
| s2 = format_timestamp(since2, sizeof(since2), i.timestamp.realtime); |
| |
| if (s1) |
| printf("\t Since: %s; %s\n", s2, s1); |
| else if (s2) |
| printf("\t Since: %s\n", s2); |
| |
| if (i.leader > 0) { |
| _cleanup_free_ char *t = NULL; |
| |
| printf("\t Leader: %u", (unsigned) i.leader); |
| |
| get_process_comm(i.leader, &t); |
| if (t) |
| printf(" (%s)", t); |
| |
| printf("\n"); |
| } |
| |
| if (!isempty(i.seat)) { |
| printf("\t Seat: %s", i.seat); |
| |
| if (i.vtnr > 0) |
| printf("; vc%u", 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); |
| |
| if (i.class) |
| printf("; class %s", i.class); |
| |
| printf("\n"); |
| } else if (i.type) { |
| printf("\t Type: %s", i.type); |
| |
| if (i.class) |
| printf("; class %s", i.class); |
| |
| printf("\n"); |
| } else if (i.class) |
| printf("\t Class: %s\n", i.class); |
| |
| if (!isempty(i.desktop)) |
| printf("\t Desktop: %s\n", i.desktop); |
| |
| if (i.state) |
| printf("\t State: %s\n", i.state); |
| |
| if (i.scope) { |
| printf("\t Unit: %s\n", i.scope); |
| show_unit_cgroup(bus, "org.freedesktop.systemd1.Scope", i.scope, i.leader); |
| |
| if (arg_transport == BUS_TRANSPORT_LOCAL) { |
| |
| show_journal_by_unit( |
| stdout, |
| i.scope, |
| arg_output, |
| 0, |
| i.timestamp.monotonic, |
| arg_lines, |
| 0, |
| get_output_flags() | OUTPUT_BEGIN_NEWLINE, |
| SD_JOURNAL_LOCAL_ONLY, |
| true, |
| NULL); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int print_user_status_info(sd_bus *bus, const char *path, bool *new_line) { |
| |
| static const struct bus_properties_map map[] = { |
| { "Name", "s", NULL, offsetof(UserStatusInfo, name) }, |
| { "Slice", "s", NULL, offsetof(UserStatusInfo, slice) }, |
| { "State", "s", NULL, offsetof(UserStatusInfo, state) }, |
| { "UID", "u", NULL, offsetof(UserStatusInfo, uid) }, |
| { "Timestamp", "t", NULL, offsetof(UserStatusInfo, timestamp.realtime) }, |
| { "TimestampMonotonic", "t", NULL, offsetof(UserStatusInfo, timestamp.monotonic) }, |
| { "Display", "(so)", prop_map_first_of_struct, offsetof(UserStatusInfo, display) }, |
| { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(UserStatusInfo, sessions) }, |
| {} |
| }; |
| |
| char since1[FORMAT_TIMESTAMP_RELATIVE_MAX], *s1; |
| char since2[FORMAT_TIMESTAMP_MAX], *s2; |
| UserStatusInfo i = {}; |
| int r; |
| |
| r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i); |
| if (r < 0) { |
| log_error_errno(r, "Could not get properties: %m"); |
| goto finish; |
| } |
| |
| if (*new_line) |
| printf("\n"); |
| |
| *new_line = true; |
| |
| if (i.name) |
| printf("%s (%u)\n", i.name, (unsigned) i.uid); |
| else |
| printf("%u\n", (unsigned) i.uid); |
| |
| s1 = format_timestamp_relative(since1, sizeof(since1), i.timestamp.realtime); |
| s2 = format_timestamp(since2, sizeof(since2), i.timestamp.realtime); |
| |
| 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.slice) { |
| printf("\t Unit: %s\n", i.slice); |
| show_unit_cgroup(bus, "org.freedesktop.systemd1.Slice", i.slice, 0); |
| |
| show_journal_by_unit( |
| stdout, |
| i.slice, |
| arg_output, |
| 0, |
| i.timestamp.monotonic, |
| arg_lines, |
| 0, |
| get_output_flags() | OUTPUT_BEGIN_NEWLINE, |
| SD_JOURNAL_LOCAL_ONLY, |
| true, |
| NULL); |
| } |
| |
| finish: |
| strv_free(i.sessions); |
| |
| return r; |
| } |
| |
| static int print_seat_status_info(sd_bus *bus, const char *path, bool *new_line) { |
| |
| static const struct bus_properties_map map[] = { |
| { "Id", "s", NULL, offsetof(SeatStatusInfo, id) }, |
| { "ActiveSession", "(so)", prop_map_first_of_struct, offsetof(SeatStatusInfo, active_session) }, |
| { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(SeatStatusInfo, sessions) }, |
| {} |
| }; |
| |
| SeatStatusInfo i = {}; |
| int r; |
| |
| r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i); |
| if (r < 0) { |
| log_error_errno(r, "Could not get properties: %m"); |
| goto finish; |
| } |
| |
| if (*new_line) |
| printf("\n"); |
| |
| *new_line = true; |
| |
| 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 == BUS_TRANSPORT_LOCAL) { |
| unsigned c; |
| |
| c = columns(); |
| if (c > 21) |
| c -= 21; |
| else |
| c = 0; |
| |
| printf("\t Devices:\n"); |
| |
| show_sysfs(i.id, "\t\t ", c); |
| } |
| |
| finish: |
| strv_free(i.sessions); |
| |
| return r; |
| } |
| |
| static int show_properties(sd_bus *bus, const char *path, bool *new_line) { |
| int r; |
| |
| if (*new_line) |
| printf("\n"); |
| |
| *new_line = true; |
| |
| r = bus_print_all_properties(bus, "org.freedesktop.login1", path, arg_property, arg_all); |
| if (r < 0) |
| log_error_errno(r, "Could not get properties: %m"); |
| |
| return r; |
| } |
| |
| static int show_session(int argc, char *argv[], void *userdata) { |
| bool properties, new_line = false; |
| sd_bus *bus = userdata; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| properties = !strstr(argv[0], "status"); |
| |
| pager_open_if_enabled(); |
| |
| if (argc <= 1) { |
| /* If not argument is specified inspect the manager |
| * itself */ |
| if (properties) |
| return show_properties(bus, "/org/freedesktop/login1", &new_line); |
| |
| /* And in the pretty case, show data of the calling session */ |
| return print_session_status_info(bus, "/org/freedesktop/login1/session/self", &new_line); |
| } |
| |
| for (i = 1; i < argc; i++) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_bus_message_unref_ sd_bus_message * reply = NULL; |
| const char *path = NULL; |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "GetSession", |
| &error, &reply, |
| "s", argv[i]); |
| if (r < 0) { |
| log_error("Failed to get session: %s", bus_error_message(&error, r)); |
| return r; |
| } |
| |
| r = sd_bus_message_read(reply, "o", &path); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (properties) |
| r = show_properties(bus, path, &new_line); |
| else |
| r = print_session_status_info(bus, path, &new_line); |
| |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int show_user(int argc, char *argv[], void *userdata) { |
| bool properties, new_line = false; |
| sd_bus *bus = userdata; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| properties = !strstr(argv[0], "status"); |
| |
| pager_open_if_enabled(); |
| |
| if (argc <= 1) { |
| /* If not argument is specified inspect the manager |
| * itself */ |
| if (properties) |
| return show_properties(bus, "/org/freedesktop/login1", &new_line); |
| |
| return print_user_status_info(bus, "/org/freedesktop/login1/user/self", &new_line); |
| } |
| |
| for (i = 1; i < argc; i++) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_bus_message_unref_ sd_bus_message * reply = NULL; |
| const char *path = NULL; |
| uid_t uid; |
| |
| r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL); |
| if (r < 0) |
| return log_error_errno(r, "Failed to look up user %s: %m", argv[i]); |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "GetUser", |
| &error, &reply, |
| "u", (uint32_t) uid); |
| if (r < 0) { |
| log_error("Failed to get user: %s", bus_error_message(&error, r)); |
| return r; |
| } |
| |
| r = sd_bus_message_read(reply, "o", &path); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (properties) |
| r = show_properties(bus, path, &new_line); |
| else |
| r = print_user_status_info(bus, path, &new_line); |
| |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int show_seat(int argc, char *argv[], void *userdata) { |
| bool properties, new_line = false; |
| sd_bus *bus = userdata; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| properties = !strstr(argv[0], "status"); |
| |
| pager_open_if_enabled(); |
| |
| if (argc <= 1) { |
| /* If not argument is specified inspect the manager |
| * itself */ |
| if (properties) |
| return show_properties(bus, "/org/freedesktop/login1", &new_line); |
| |
| return print_seat_status_info(bus, "/org/freedesktop/login1/seat/self", &new_line); |
| } |
| |
| for (i = 1; i < argc; i++) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| _cleanup_bus_message_unref_ sd_bus_message * reply = NULL; |
| const char *path = NULL; |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "GetSeat", |
| &error, &reply, |
| "s", argv[i]); |
| if (r < 0) { |
| log_error("Failed to get seat: %s", bus_error_message(&error, r)); |
| return r; |
| } |
| |
| r = sd_bus_message_read(reply, "o", &path); |
| if (r < 0) |
| return bus_log_parse_error(r); |
| |
| if (properties) |
| r = show_properties(bus, path, &new_line); |
| else |
| r = print_seat_status_info(bus, path, &new_line); |
| |
| if (r < 0) |
| return r; |
| } |
| |
| return 0; |
| } |
| |
| static int activate(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| char *short_argv[3]; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| if (argc < 2) { |
| /* No argument? Let's convert this into the empty |
| * session name, which the calls will then resolve to |
| * the caller's session. */ |
| |
| short_argv[0] = argv[0]; |
| short_argv[1] = (char*) ""; |
| short_argv[2] = NULL; |
| |
| argv = short_argv; |
| argc = 2; |
| } |
| |
| for (i = 1; i < argc; i++) { |
| |
| r = sd_bus_call_method ( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| streq(argv[0], "lock-session") ? "LockSession" : |
| streq(argv[0], "unlock-session") ? "UnlockSession" : |
| streq(argv[0], "terminate-session") ? "TerminateSession" : |
| "ActivateSession", |
| &error, NULL, |
| "s", argv[i]); |
| if (r < 0) { |
| log_error("Failed to issue method call: %s", bus_error_message(&error, -r)); |
| return r; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int kill_session(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| if (!arg_kill_who) |
| arg_kill_who = "all"; |
| |
| for (i = 1; i < argc; i++) { |
| |
| r = sd_bus_call_method ( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "KillSession", |
| &error, NULL, |
| "ssi", argv[i], arg_kill_who, arg_signal); |
| if (r < 0) { |
| log_error("Could not kill session: %s", bus_error_message(&error, -r)); |
| return r; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int enable_linger(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| char* short_argv[3]; |
| bool b; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| b = streq(argv[0], "enable-linger"); |
| |
| if (argc < 2) { |
| short_argv[0] = argv[0]; |
| short_argv[1] = (char*) ""; |
| short_argv[2] = NULL; |
| argv = short_argv; |
| argc = 2; |
| } |
| |
| for (i = 1; i < argc; i++) { |
| uid_t uid; |
| |
| if (isempty(argv[i])) |
| uid = UID_INVALID; |
| else { |
| r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL); |
| if (r < 0) |
| return log_error_errno(r, "Failed to look up user %s: %m", argv[i]); |
| } |
| |
| r = sd_bus_call_method ( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "SetUserLinger", |
| &error, NULL, |
| "ubb", (uint32_t) uid, b, true); |
| if (r < 0) { |
| log_error("Could not enable linger: %s", bus_error_message(&error, -r)); |
| return r; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int terminate_user(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| for (i = 1; i < argc; i++) { |
| uid_t uid; |
| |
| r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL); |
| if (r < 0) |
| return log_error_errno(r, "Failed to look up user %s: %m", argv[i]); |
| |
| r = sd_bus_call_method ( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "TerminateUser", |
| &error, NULL, |
| "u", (uint32_t) uid); |
| if (r < 0) { |
| log_error("Could not terminate user: %s", bus_error_message(&error, -r)); |
| return r; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int kill_user(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| if (!arg_kill_who) |
| arg_kill_who = "all"; |
| |
| for (i = 1; i < argc; i++) { |
| uid_t uid; |
| |
| r = get_user_creds((const char**) (argv+i), &uid, NULL, NULL, NULL); |
| if (r < 0) |
| return log_error_errno(r, "Failed to look up user %s: %m", argv[i]); |
| |
| r = sd_bus_call_method ( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "KillUser", |
| &error, NULL, |
| "ui", (uint32_t) uid, arg_signal); |
| if (r < 0) { |
| log_error("Could not kill user: %s", bus_error_message(&error, -r)); |
| return r; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int attach(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| for (i = 2; i < argc; i++) { |
| |
| r = sd_bus_call_method ( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "AttachDevice", |
| &error, NULL, |
| "ssb", argv[1], argv[i], true); |
| |
| if (r < 0) { |
| log_error("Could not attach device: %s", bus_error_message(&error, -r)); |
| return r; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int flush_devices(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| int r; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| r = sd_bus_call_method ( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "FlushDevices", |
| &error, NULL, |
| "b", true); |
| if (r < 0) |
| log_error("Could not flush devices: %s", bus_error_message(&error, -r)); |
| |
| return r; |
| } |
| |
| static int lock_sessions(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| int r; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| streq(argv[0], "lock-sessions") ? "LockSessions" : "UnlockSessions", |
| &error, NULL, |
| NULL); |
| if (r < 0) |
| log_error("Could not lock sessions: %s", bus_error_message(&error, -r)); |
| |
| return r; |
| } |
| |
| static int terminate_seat(int argc, char *argv[], void *userdata) { |
| _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; |
| sd_bus *bus = userdata; |
| int r, i; |
| |
| assert(bus); |
| assert(argv); |
| |
| polkit_agent_open_if_enabled(); |
| |
| for (i = 1; i < argc; i++) { |
| |
| r = sd_bus_call_method( |
| bus, |
| "org.freedesktop.login1", |
| "/org/freedesktop/login1", |
| "org.freedesktop.login1.Manager", |
| "TerminateSeat", |
| &error, NULL, |
| "s", argv[i]); |
| if (r < 0) { |
| log_error("Could not terminate seat: %s", bus_error_message(&error, -r)); |
| return r; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int help(int argc, char *argv[], void *userdata) { |
| |
| 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" |
| " --no-pager Do not pipe output into a pager\n" |
| " --no-legend Do not show the headers and footers\n" |
| " --no-ask-password Don't prompt for password\n" |
| " -H --host=[USER@]HOST Operate on remote host\n" |
| " -M --machine=CONTAINER Operate on local container\n" |
| " -p --property=NAME Show only properties by this name\n" |
| " -a --all Show all properties, including empty ones\n" |
| " -l --full Do not ellipsize output\n" |
| " --kill-who=WHO Who to send signal to\n" |
| " -s --signal=SIGNAL Which signal to send\n" |
| " -n --lines=INTEGER Number of journal entries to show\n" |
| " -o --output=STRING Change journal output mode (short, short-monotonic,\n" |
| " verbose, export, json, json-pretty, json-sse, cat)\n\n" |
| "Session Commands:\n" |
| " list-sessions List sessions\n" |
| " session-status [ID...] Show session status\n" |
| " show-session [ID...] Show properties of sessions or the manager\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" |
| " lock-sessions Screen lock all current sessions\n" |
| " unlock-sessions Screen unlock all current sessions\n" |
| " terminate-session ID... Terminate one or more sessions\n" |
| " kill-session ID... Send signal to processes of a session\n\n" |
| "User Commands:\n" |
| " list-users List users\n" |
| " user-status [USER...] Show user status\n" |
| " show-user [USER...] Show properties of users or the manager\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\n" |
| "Seat Commands:\n" |
| " list-seats List seats\n" |
| " seat-status [NAME...] Show seat status\n" |
| " show-seat [NAME...] Show properties of seats or the manager\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_NO_LEGEND, |
| ARG_KILL_WHO, |
| ARG_NO_ASK_PASSWORD, |
| }; |
| |
| 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' }, |
| { "full", no_argument, NULL, 'l' }, |
| { "no-pager", no_argument, NULL, ARG_NO_PAGER }, |
| { "no-legend", no_argument, NULL, ARG_NO_LEGEND }, |
| { "kill-who", required_argument, NULL, ARG_KILL_WHO }, |
| { "signal", required_argument, NULL, 's' }, |
| { "host", required_argument, NULL, 'H' }, |
| { "machine", required_argument, NULL, 'M' }, |
| { "no-ask-password", no_argument, NULL, ARG_NO_ASK_PASSWORD }, |
| { "lines", required_argument, NULL, 'n' }, |
| { "output", required_argument, NULL, 'o' }, |
| {} |
| }; |
| |
| int c, r; |
| |
| assert(argc >= 0); |
| assert(argv); |
| |
| while ((c = getopt_long(argc, argv, "hp:als:H:M:n:o:", options, NULL)) >= 0) |
| |
| switch (c) { |
| |
| case 'h': |
| help(0, NULL, NULL); |
| return 0; |
| |
| case ARG_VERSION: |
| puts(PACKAGE_STRING); |
| puts(SYSTEMD_FEATURES); |
| return 0; |
| |
| case 'p': { |
| r = strv_extend(&arg_property, optarg); |
| if (r < 0) |
| return log_oom(); |
| |
| /* If the user asked for a particular |
| * property, show it to him, even if it is |
| * empty. */ |
| arg_all = true; |
| break; |
| } |
| |
| case 'a': |
| arg_all = true; |
| break; |
| |
| case 'l': |
| arg_full = true; |
| break; |
| |
| case 'n': |
| if (safe_atou(optarg, &arg_lines) < 0) { |
| log_error("Failed to parse lines '%s'", optarg); |
| return -EINVAL; |
| } |
| break; |
| |
| case 'o': |
| arg_output = output_mode_from_string(optarg); |
| if (arg_output < 0) { |
| log_error("Unknown output '%s'.", optarg); |
| return -EINVAL; |
| } |
| break; |
| |
| case ARG_NO_PAGER: |
| arg_no_pager = true; |
| break; |
| |
| case ARG_NO_LEGEND: |
| arg_legend = false; |
| break; |
| |
| case ARG_NO_ASK_PASSWORD: |
| arg_ask_password = false; |
| 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 'H': |
| arg_transport = BUS_TRANSPORT_REMOTE; |
| arg_host = optarg; |
| break; |
| |
| case 'M': |
| arg_transport = BUS_TRANSPORT_MACHINE; |
| arg_host = optarg; |
| break; |
| |
| case '?': |
| return -EINVAL; |
| |
| default: |
| assert_not_reached("Unhandled option"); |
| } |
| |
| return 1; |
| } |
| |
| static int loginctl_main(int argc, char *argv[], sd_bus *bus) { |
| |
| static const Verb verbs[] = { |
| { "help", VERB_ANY, VERB_ANY, 0, help }, |
| { "list-sessions", VERB_ANY, 1, VERB_DEFAULT, list_sessions }, |
| { "session-status", VERB_ANY, VERB_ANY, 0, show_session }, |
| { "show-session", VERB_ANY, VERB_ANY, 0, show_session }, |
| { "activate", VERB_ANY, 2, 0, activate }, |
| { "lock-session", VERB_ANY, VERB_ANY, 0, activate }, |
| { "unlock-session", VERB_ANY, VERB_ANY, 0, activate }, |
| { "lock-sessions", VERB_ANY, 1, 0, lock_sessions }, |
| { "unlock-sessions", VERB_ANY, 1, 0, lock_sessions }, |
| { "terminate-session", 2, VERB_ANY, 0, activate }, |
| { "kill-session", 2, VERB_ANY, 0, kill_session }, |
| { "list-users", VERB_ANY, 1, 0, list_users }, |
| { "user-status", VERB_ANY, VERB_ANY, 0, show_user }, |
| { "show-user", VERB_ANY, VERB_ANY, 0, show_user }, |
| { "enable-linger", VERB_ANY, VERB_ANY, 0, enable_linger }, |
| { "disable-linger", VERB_ANY, VERB_ANY, 0, enable_linger }, |
| { "terminate-user", 2, VERB_ANY, 0, terminate_user }, |
| { "kill-user", 2, VERB_ANY, 0, kill_user }, |
| { "list-seats", VERB_ANY, 1, 0, list_seats }, |
| { "seat-status", VERB_ANY, VERB_ANY, 0, show_seat }, |
| { "show-seat", VERB_ANY, VERB_ANY, 0, show_seat }, |
| { "attach", 3, VERB_ANY, 0, attach }, |
| { "flush-devices", VERB_ANY, 1, 0, flush_devices }, |
| { "terminate-seat", 2, VERB_ANY, 0, terminate_seat }, |
| {} |
| }; |
| |
| return dispatch_verb(argc, argv, verbs, bus); |
| } |
| |
| int main(int argc, char *argv[]) { |
| _cleanup_bus_close_unref_ sd_bus *bus = NULL; |
| int r; |
| |
| setlocale(LC_ALL, ""); |
| log_parse_environment(); |
| log_open(); |
| |
| r = parse_argv(argc, argv); |
| if (r <= 0) |
| goto finish; |
| |
| r = bus_open_transport(arg_transport, arg_host, false, &bus); |
| if (r < 0) { |
| log_error_errno(r, "Failed to create bus connection: %m"); |
| goto finish; |
| } |
| |
| r = loginctl_main(argc, argv, bus); |
| |
| finish: |
| pager_close(); |
| polkit_agent_close(); |
| |
| strv_free(arg_property); |
| |
| return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
| } |