X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Floginctl.c;h=6400dd6b020fafb939cdb664f99bac000e933149;hp=f96a568610b07e78be5bb3784842ab064f875b9b;hb=c73bfb05cb09992935ede3247a1cc4726e54a44d;hpb=4f8f66cb4236783cd3cbee97fefc9aaa8469ac08 diff --git a/src/login/loginctl.c b/src/login/loginctl.c index f96a56861..6400dd6b0 100644 --- a/src/login/loginctl.c +++ b/src/login/loginctl.c @@ -23,10 +23,10 @@ #include #include #include -#include #include #include "sd-bus.h" +#include "sd-login.h" #include "bus-util.h" #include "bus-error.h" #include "log.h" @@ -37,19 +37,42 @@ #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" +#include "process-util.h" +#include "terminal-util.h" +#include "signal-util.h" +#include "logind-action.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 bool arg_ask_password = true; static char *arg_host = NULL; +static bool arg_ask_password = true; +static bool arg_ignore_inhibitors = false; +#if 0 +static unsigned arg_lines = 10; +static OutputMode arg_output = OUTPUT_SHORT; +#endif // 0 +static enum action { + _ACTION_INVALID, + ACTION_POWEROFF, + ACTION_REBOOT, + ACTION_SUSPEND, + ACTION_HIBERNATE, + ACTION_HYBRID_SLEEP, + ACTION_CANCEL_SHUTDOWN, + _ACTION_MAX +} arg_action; + static void pager_open_if_enabled(void) { @@ -72,14 +95,30 @@ static void polkit_agent_open_if_enabled(void) { polkit_agent_open(); } -static int list_sessions(sd_bus *bus, char **args, unsigned n) { +/// UNNEEDED by elogind +#if 0 +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; +} +#endif // 0 + +static int list_sessions(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; const char *id, *user, *seat, *object; + sd_bus *bus = userdata; unsigned k = 0; uint32_t uid; int r; + assert(bus); + assert(argv); + pager_open_if_enabled(); r = sd_bus_call_method( @@ -99,7 +138,8 @@ static int list_sessions(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - printf("%10s %10s %-16s %-16s\n", "SESSION", "UID", "USER", "SEAT"); + 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); @@ -108,19 +148,24 @@ static int list_sessions(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - printf("\n%u sessions listed.\n", k); + if (arg_legend) + printf("\n%u sessions listed.\n", k); return 0; } -static int list_users(sd_bus *bus, char **args, unsigned n) { +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( @@ -140,7 +185,8 @@ static int list_users(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - printf("%10s %-16s\n", "UID", "USER"); + 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); @@ -149,18 +195,23 @@ static int list_users(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - printf("\n%u users listed.\n", k); + if (arg_legend) + printf("\n%u users listed.\n", k); return 0; } -static int list_seats(sd_bus *bus, char **args, unsigned n) { +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( @@ -180,7 +231,8 @@ static int list_seats(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - printf("%-16s\n", "SEAT"); + if (arg_legend) + printf("%-16s\n", "SEAT"); while ((r = sd_bus_message_read(reply, "(so)", &seat, &object)) > 0) { printf("%-16s\n", seat); @@ -189,17 +241,20 @@ static int list_seats(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - printf("\n%u seats listed.\n", k); + if (arg_legend) + printf("\n%u seats listed.\n", k); return 0; } +/// UNNEEDED by elogind +#if 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, output_flags; + int r; unsigned c; assert(bus); @@ -229,59 +284,96 @@ static int show_unit_cgroup(sd_bus *bus, const char *interface, const char *unit if (isempty(cgroup)) return 0; - if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup, false) != 0 && leader <= 0) + if (cg_is_empty_recursive(SYSTEMD_CGROUP_CONTROLLER, cgroup) != 0 && leader <= 0) return 0; - output_flags = - arg_all * OUTPUT_SHOW_ALL | - arg_full * OUTPUT_FULL_WIDTH; - 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, output_flags); + show_cgroup_and_extra(SYSTEMD_CGROUP_CONTROLLER, cgroup, "\t\t ", c, false, &leader, leader > 0, get_output_flags()); return 0; } +#endif // 0 typedef struct SessionStatusInfo { - const char *id; + char *id; uid_t uid; - const char *name; - usec_t timestamp; + char *name; + struct dual_timestamp timestamp; unsigned int vtnr; - const char *seat; - const char *tty; - const char *display; + char *seat; + char *tty; + char *display; bool remote; - const char *remote_host; - const char *remote_user; - const char *service; + char *remote_host; + char *remote_user; + char *service; pid_t leader; - const char *type; - const char *class; - const char *state; - const char *scope; + char *type; + char *class; + char *state; + char *scope; + char *desktop; } SessionStatusInfo; typedef struct UserStatusInfo { uid_t uid; - const char *name; - usec_t timestamp; - const char *state; + char *name; + struct dual_timestamp timestamp; + char *state; char **sessions; - const char *display; - const char *slice; + char *display; + char *slice; } UserStatusInfo; typedef struct SeatStatusInfo { - const char *id; - const char *active_session; + char *id; + char *active_session; char **sessions; } SeatStatusInfo; +static void session_status_info_clear(SessionStatusInfo *info) { + if (info) { + free(info->id); + free(info->name); + free(info->seat); + free(info->tty); + free(info->display); + free(info->remote_host); + free(info->remote_user); + free(info->service); + free(info->type); + free(info->class); + free(info->state); + free(info->scope); + free(info->desktop); + zero(*info); + } +} + +static void user_status_info_clear(UserStatusInfo *info) { + if (info) { + free(info->name); + free(info->state); + strv_free(info->sessions); + free(info->display); + free(info->slice); + zero(*info); + } +} + +static void seat_status_info_clear(SeatStatusInfo *info) { + if (info) { + free(info->id); + free(info->active_session); + strv_free(info->sessions); + zero(*info); + } +} + 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; @@ -302,11 +394,9 @@ static int prop_map_first_of_struct(sd_bus *bus, const char *member, sd_bus_mess if (r < 0) return r; - free(*p); - *p = strdup(s); - - if (!*p) - return -ENOMEM; + r = free_and_strdup(p, s); + if (r < 0) + return r; } else { r = sd_bus_message_read_basic(m, contents[0], userdata); if (r < 0) @@ -346,37 +436,44 @@ static int prop_map_sessions_strv(sd_bus *bus, const char *member, sd_bus_messag return sd_bus_message_exit_container(m); } -static int print_session_status_info(sd_bus *bus, const char *path) { +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) }, - { "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) }, - { "User", "(uo)", prop_map_first_of_struct, offsetof(SessionStatusInfo, uid) }, - { "Seat", "(so)", prop_map_first_of_struct, offsetof(SessionStatusInfo, id) }, + { "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 = {}; + _cleanup_(session_status_info_clear) SessionStatusInfo i = {}; int r; r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i); if (r < 0) - return r; + return log_error_errno(r, "Could not get properties: %m"); + + if (*new_line) + printf("\n"); + + *new_line = true; printf("%s - ", strna(i.id)); @@ -385,8 +482,8 @@ static int print_session_status_info(sd_bus *bus, const char *path) { else printf("%u\n", (unsigned) i.uid); - s1 = format_timestamp_relative(since1, sizeof(since1), i.timestamp); - s2 = format_timestamp(since2, sizeof(since2), i.timestamp); + 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); @@ -405,11 +502,11 @@ static int print_session_status_info(sd_bus *bus, const char *path) { printf("\n"); } - if (i.seat) { + if (!isempty(i.seat)) { printf("\t Seat: %s", i.seat); if (i.vtnr > 0) - printf("; vc%i", i.vtnr); + printf("; vc%u", i.vtnr); printf("\n"); } @@ -439,53 +536,82 @@ static int print_session_status_info(sd_bus *bus, const char *path) { printf("\n"); } else if (i.type) { - printf("\t Type: %s\n", 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); +#if 0 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); + } + +#endif // 0 } return 0; } -static int print_user_status_info(sd_bus *bus, const char *path) { +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) }, - { "Display", "(so)", prop_map_first_of_struct, offsetof(UserStatusInfo, display) }, - { "Sessions", "a(so)", prop_map_sessions_strv, offsetof(UserStatusInfo, sessions) }, + { "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 = {}; + _cleanup_(user_status_info_clear) UserStatusInfo i = {}; int r; r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i); if (r < 0) - goto finish; + return log_error_errno(r, "Could not get properties: %m"); + + 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); - s2 = format_timestamp(since2, sizeof(since2), i.timestamp); + 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); @@ -511,16 +637,28 @@ static int print_user_status_info(sd_bus *bus, const char *path) { if (i.slice) { printf("\t Unit: %s\n", i.slice); +#if 0 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); + +#endif // 0 } -finish: - strv_free(i.sessions); - return 0; } -static int print_seat_status_info(sd_bus *bus, const char *path) { +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) }, @@ -529,12 +667,17 @@ static int print_seat_status_info(sd_bus *bus, const char *path) { {} }; - SeatStatusInfo i = {}; + _cleanup_(seat_status_info_clear) SeatStatusInfo i = {}; int r; r = bus_map_all_properties(bus, "org.freedesktop.login1", path, map, &i); if (r < 0) - goto finish; + return log_error_errno(r, "Could not get properties: %m"); + + if (*new_line) + printf("\n"); + + *new_line = true; printf("%s\n", strna(i.id)); @@ -566,42 +709,197 @@ static int print_seat_status_info(sd_bus *bus, const char *path) { show_sysfs(i.id, "\t\t ", c); } -finish: - strv_free(i.sessions); + return 0; +} + +static int print_property(const char *name, sd_bus_message *m, const char *contents) { + int r; + + assert(name); + assert(m); + assert(contents); + + if (arg_property && !strv_find(arg_property, name)) + /* skip what we didn't read */ + return sd_bus_message_skip(m, contents); + + switch (contents[0]) { + + case SD_BUS_TYPE_STRUCT_BEGIN: + + if (contents[1] == SD_BUS_TYPE_STRING && STR_IN_SET(name, "Display", "Seat", "ActiveSession")) { + const char *s; + + r = sd_bus_message_read(m, "(so)", &s, NULL); + if (r < 0) + return bus_log_parse_error(r); + + if (arg_all || !isempty(s)) + printf("%s=%s\n", name, s); + + return 0; + + } else if (contents[1] == SD_BUS_TYPE_UINT32 && streq(name, "User")) { + uint32_t uid; + + r = sd_bus_message_read(m, "(uo)", &uid, NULL); + if (r < 0) + return bus_log_parse_error(r); + + if (!uid_is_valid(uid)) { + log_error("Invalid user ID: " UID_FMT, uid); + return -EINVAL; + } + + printf("%s=" UID_FMT "\n", name, uid); + + return 0; + } + + break; + + case SD_BUS_TYPE_ARRAY: + + if (contents[1] == SD_BUS_TYPE_STRUCT_BEGIN && streq(name, "Sessions")) { + const char *s; + bool space = false; + + r = sd_bus_message_enter_container(m, SD_BUS_TYPE_ARRAY, "(so)"); + if (r < 0) + return bus_log_parse_error(r); + + printf("%s=", name); + + while ((r = sd_bus_message_read(m, "(so)", &s, NULL)) > 0) { + printf("%s%s", space ? " " : "", s); + space = true; + } + + printf("\n"); + + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(m); + if (r < 0) + return bus_log_parse_error(r); + + return 0; + } + + break; + } + + r = bus_print_property(name, m, arg_all); + if (r < 0) + return bus_log_parse_error(r); + + if (r == 0) { + r = sd_bus_message_skip(m, contents); + if (r < 0) + return bus_log_parse_error(r); + + if (arg_all) + printf("%s=[unprintable]\n", name); + } return 0; } -static int show_session(sd_bus *bus, char **args, unsigned n) { - bool show_properties; - unsigned i; +static int show_properties(sd_bus *bus, const char *path, bool *new_line) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; int r; assert(bus); - assert(args); + assert(path); + assert(new_line); + + r = sd_bus_call_method( + bus, + "org.freedesktop.login1", + path, + "org.freedesktop.DBus.Properties", + "GetAll", + &error, + &reply, + "s", ""); + if (r < 0) + return log_error_errno(r, "Failed to get properties: %s", bus_error_message(&error, r)); + + r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "{sv}"); + if (r < 0) + return bus_log_parse_error(r); + + if (*new_line) + printf("\n"); + + *new_line = true; + + while ((r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_DICT_ENTRY, "sv")) > 0) { + const char *name, *contents; + + r = sd_bus_message_read(reply, "s", &name); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_peek_type(reply, NULL, &contents); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_VARIANT, contents); + if (r < 0) + return bus_log_parse_error(r); + + r = print_property(name, reply, contents); + if (r < 0) + return r; + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + return 0; +} + +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); - show_properties = !strstr(args[0], "status"); + properties = !strstr(argv[0], "status"); pager_open_if_enabled(); - if (show_properties && n <= 1) { + if (argc <= 1) { /* If not argument is specified inspect the manager * itself */ - r = bus_print_all_properties(bus, "org.freedesktop.login1", "/org/freedesktop/login1", NULL, arg_all); - if (r < 0) - log_error("Failed to query login manager."); + if (properties) + return show_properties(bus, "/org/freedesktop/login1", &new_line); - return r; + /* 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 < n; i++) { + 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; - if (i != 1) - printf("\n"); - r = sd_bus_call_method( bus, "org.freedesktop.login1", @@ -609,7 +907,7 @@ static int show_session(sd_bus *bus, char **args, unsigned n) { "org.freedesktop.login1.Manager", "GetSession", &error, &reply, - "s", args[i]); + "s", argv[i]); if (r < 0) { log_error("Failed to get session: %s", bus_error_message(&error, r)); return r; @@ -619,55 +917,48 @@ static int show_session(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - if (show_properties) - r = bus_print_all_properties(bus, "org.freedesktop.login1", path, NULL, arg_all); + if (properties) + r = show_properties(bus, path, &new_line); else - r = print_session_status_info(bus, path); - if (r < 0) { - log_error("Failed to query session: %s", strerror(-r)); + r = print_session_status_info(bus, path, &new_line); + + if (r < 0) return r; - } } return 0; } -static int show_user(sd_bus *bus, char **args, unsigned n) { - bool show_properties; - unsigned i; - int r; +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(args); + assert(argv); - show_properties = !strstr(args[0], "status"); + properties = !strstr(argv[0], "status"); pager_open_if_enabled(); - if (show_properties && n <= 1) { + if (argc <= 1) { /* If not argument is specified inspect the manager * itself */ - r = bus_print_all_properties(bus, "org.freedesktop.login1", "/org/freedesktop/login1", NULL, arg_all); - if (r < 0) - log_error("Failed to query login manager."); + if (properties) + return show_properties(bus, "/org/freedesktop/login1", &new_line); - return r; + return print_user_status_info(bus, "/org/freedesktop/login1/user/self", &new_line); } - for (i = 1; i < n; i++) { + 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; - if (i != 1) - printf("\n"); - - r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); - if (r < 0) { - log_error("Failed to look up user %s: %s", args[i], strerror(-r)); - return r; - } + 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, @@ -686,49 +977,44 @@ static int show_user(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - if (show_properties) - r = bus_print_all_properties(bus, "org.freedesktop.login1", path, NULL, arg_all); + if (properties) + r = show_properties(bus, path, &new_line); else - r = print_user_status_info(bus, path); - if (r < 0) { - log_error("Failed to query user: %s", strerror(-r)); + r = print_user_status_info(bus, path, &new_line); + + if (r < 0) return r; - } } return 0; } -static int show_seat(sd_bus *bus, char **args, unsigned n) { - bool show_properties; - unsigned i; - int r; +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(args); + assert(argv); - show_properties = !strstr(args[0], "status"); + properties = !strstr(argv[0], "status"); pager_open_if_enabled(); - if (show_properties && n <= 1) { + if (argc <= 1) { /* If not argument is specified inspect the manager * itself */ - r = bus_print_all_properties(bus, "org.freedesktop.login1", "/org/freedesktop/login1", NULL, arg_all); - if (r < 0) - log_error("Failed to query login manager."); + if (properties) + return show_properties(bus, "/org/freedesktop/login1", &new_line); - return r; + return print_seat_status_info(bus, "/org/freedesktop/login1/seat/self", &new_line); } - for (i = 1; i < n; i++) { + 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; - if (i != 1) - printf("\n"); - r = sd_bus_call_method( bus, "org.freedesktop.login1", @@ -736,7 +1022,7 @@ static int show_seat(sd_bus *bus, char **args, unsigned n) { "org.freedesktop.login1.Manager", "GetSeat", &error, &reply, - "s", args[i]); + "s", argv[i]); if (r < 0) { log_error("Failed to get seat: %s", bus_error_message(&error, r)); return r; @@ -746,39 +1032,55 @@ static int show_seat(sd_bus *bus, char **args, unsigned n) { if (r < 0) return bus_log_parse_error(r); - if (show_properties) - r = bus_print_all_properties(bus, "org.freedesktop.login1", path, NULL, arg_all); + if (properties) + r = show_properties(bus, path, &new_line); else - r = print_seat_status_info(bus, path); - if (r < 0) { - log_error("Failed to query seat: %s", strerror(-r)); + r = print_seat_status_info(bus, path, &new_line); + + if (r < 0) return r; - } } return 0; } -static int activate(sd_bus *bus, char **args, unsigned n) { +static int activate(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + 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. */ - assert(args); + short_argv[0] = argv[0]; + short_argv[1] = (char*) ""; + short_argv[2] = NULL; - for (i = 1; i < n; i++) { + argv = short_argv; + argc = 2; + } + + for (i = 1; i < argc; i++) { - r = sd_bus_call_method ( + r = sd_bus_call_method( bus, "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" : + streq(argv[0], "lock-session") ? "LockSession" : + streq(argv[0], "unlock-session") ? "UnlockSession" : + streq(argv[0], "terminate-session") ? "TerminateSession" : "ActivateSession", &error, NULL, - "s", args[i]); + "s", argv[i]); if (r < 0) { log_error("Failed to issue method call: %s", bus_error_message(&error, -r)); return r; @@ -788,26 +1090,29 @@ static int activate(sd_bus *bus, char **args, unsigned n) { return 0; } -static int kill_session(sd_bus *bus, char **args, unsigned n) { +static int kill_session(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; + + assert(bus); + assert(argv); - assert(args); + polkit_agent_open_if_enabled(); if (!arg_kill_who) arg_kill_who = "all"; - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { - r = sd_bus_call_method ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", "KillSession", &error, NULL, - "ssi", args[i], arg_kill_who, arg_signal); + "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; @@ -817,28 +1122,40 @@ static int kill_session(sd_bus *bus, char **args, unsigned n) { return 0; } -static int enable_linger(sd_bus *bus, char **args, unsigned n) { +static int enable_linger(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; + sd_bus *bus = userdata; + char* short_argv[3]; bool b; - int r; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - b = streq(args[0], "enable-linger"); + b = streq(argv[0], "enable-linger"); - for (i = 1; i < n; i++) { + 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; - r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); - if (r < 0) { - log_error("Failed to look up user %s: %s", args[i], strerror(-r)); - return r; + 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 ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", @@ -855,23 +1172,24 @@ static int enable_linger(sd_bus *bus, char **args, unsigned n) { return 0; } -static int terminate_user(sd_bus *bus, char **args, unsigned n) { +static int terminate_user(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); + + polkit_agent_open_if_enabled(); - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { uid_t uid; - r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); - if (r < 0) { - log_error("Failed to look up user %s: %s", args[i], strerror(-r)); - return r; - } + 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 ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", @@ -888,26 +1206,27 @@ static int terminate_user(sd_bus *bus, char **args, unsigned n) { return 0; } -static int kill_user(sd_bus *bus, char **args, unsigned n) { +static int kill_user(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; + + assert(bus); + assert(argv); - assert(args); + polkit_agent_open_if_enabled(); if (!arg_kill_who) arg_kill_who = "all"; - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { uid_t uid; - r = get_user_creds((const char**) (args+i), &uid, NULL, NULL, NULL); - if (r < 0) { - log_error("Failed to look up user %s: %s", args[i], strerror(-r)); - return r; - } + 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 ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", @@ -924,25 +1243,26 @@ static int kill_user(sd_bus *bus, char **args, unsigned n) { return 0; } -static int attach(sd_bus *bus, char **args, unsigned n) { +static int attach(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - for (i = 2; i < n; i++) { + for (i = 2; i < argc; i++) { - r = sd_bus_call_method ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", "AttachDevice", &error, NULL, - "ssb", args[1], args[i], true); + "ssb", argv[1], argv[i], true); if (r < 0) { log_error("Could not attach device: %s", bus_error_message(&error, -r)); @@ -953,15 +1273,17 @@ static int attach(sd_bus *bus, char **args, unsigned n) { return 0; } -static int flush_devices(sd_bus *bus, char **args, unsigned n) { +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(args); + assert(bus); + assert(argv); polkit_agent_open_if_enabled(); - r = sd_bus_call_method ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", @@ -975,18 +1297,22 @@ static int flush_devices(sd_bus *bus, char **args, unsigned n) { return r; } -static int lock_sessions(sd_bus *bus, char **args, unsigned n) { +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(args); + assert(bus); + assert(argv); + + polkit_agent_open_if_enabled(); - r = sd_bus_call_method ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", - streq(args[0], "lock-sessions") ? "LockSessions" : "UnlockSessions", + streq(argv[0], "lock-sessions") ? "LockSessions" : "UnlockSessions", &error, NULL, NULL); if (r < 0) @@ -995,23 +1321,26 @@ static int lock_sessions(sd_bus *bus, char **args, unsigned n) { return r; } -static int terminate_seat(sd_bus *bus, char **args, unsigned n) { +static int terminate_seat(int argc, char *argv[], void *userdata) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - unsigned i; - int r; + sd_bus *bus = userdata; + int r, i; - assert(args); + assert(bus); + assert(argv); + + polkit_agent_open_if_enabled(); - for (i = 1; i < n; i++) { + for (i = 1; i < argc; i++) { - r = sd_bus_call_method ( + r = sd_bus_call_method( bus, "org.freedesktop.login1", "/org/freedesktop/login1", "org.freedesktop.login1.Manager", "TerminateSeat", &error, NULL, - "s", args[i]); + "s", argv[i]); if (r < 0) { log_error("Could not terminate seat: %s", bus_error_message(&error, -r)); return r; @@ -1021,46 +1350,310 @@ static int terminate_seat(sd_bus *bus, char **args, unsigned n) { return 0; } -static int help(void) { +/* Ask elogind, which might grant access to unprivileged users + * through PolicyKit */ +static int reboot_with_logind(sd_bus *bus, enum action a) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + const char *method; + int r; + static const char *table[_ACTION_MAX] = { + [ACTION_REBOOT] = "The system is going down for reboot NOW!", + [ACTION_POWEROFF] = "The system is going down for power-off NOW!", + [ACTION_CANCEL_SHUTDOWN] = "The system shutdown has been cancelled NOW!" + }; + + if (!bus) + return -EIO; + + polkit_agent_open_if_enabled(); + + switch (a) { + + case ACTION_POWEROFF: + method = "PowerOff"; + break; + + case ACTION_REBOOT: + method = "Reboot"; + break; + + case ACTION_SUSPEND: + method = "Suspend"; + break; + + case ACTION_HIBERNATE: + method = "Hibernate"; + break; + + case ACTION_HYBRID_SLEEP: + method = "HybridSleep"; + break; + + case ACTION_CANCEL_SHUTDOWN: + method = "CancelScheduledShutdown"; + break; + + default: + return -EINVAL; + } + + if (table[a]) { + r = sd_bus_call_method( + bus, + "org.freedesktop.login1", + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + "SetWallMessage", + &error, + NULL, + "sb", + table[a], + true); + + if (r < 0) { + log_warning_errno(r, "Failed to set wall message, ignoring: %s", + bus_error_message(&error, r)); + sd_bus_error_free(&error); + } + } + + + r = sd_bus_call_method( + bus, + "org.freedesktop.login1", + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + method, + &error, + NULL, + "b", arg_ask_password); + if (r < 0) + log_error("Failed to execute operation: %s", bus_error_message(&error, r)); + + return r; +} + +static const struct { + HandleAction action; + const char* verb; +} action_table[_ACTION_MAX] = { + [ACTION_POWEROFF] = { HANDLE_POWEROFF, "poweroff", }, + [ACTION_REBOOT] = { HANDLE_REBOOT, "reboot", }, + [ACTION_SUSPEND] = { HANDLE_SUSPEND, "suspend", }, + [ACTION_HIBERNATE] = { HANDLE_HIBERNATE, "hibernate", }, + [ACTION_HYBRID_SLEEP] = { HANDLE_HYBRID_SLEEP, "hybrid-sleep" }, +}; + +static enum action verb_to_action(const char *verb) { + enum action i; + + for (i = _ACTION_INVALID; i < _ACTION_MAX; i++) + if (streq_ptr(action_table[i].verb, verb)) + return i; + + return _ACTION_INVALID; +} + +static int check_inhibitors(sd_bus *bus, enum action a) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + _cleanup_strv_free_ char **sessions = NULL; + const char *what, *who, *why, *mode; + uint32_t uid, pid; + unsigned c = 0; + char **s; + int r; + + if (!bus) + return 0; + + if (arg_ignore_inhibitors) + return 0; + + if (geteuid() == 0) + return 0; + + if (!on_tty()) + return 0; + + r = sd_bus_call_method( + bus, + "org.freedesktop.login1", + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + "ListInhibitors", + NULL, + &reply, + NULL); + if (r < 0) + /* If logind is not around, then there are no inhibitors... */ + return 0; + + r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_ARRAY, "(ssssuu)"); + if (r < 0) + return bus_log_parse_error(r); + + while ((r = sd_bus_message_read(reply, "(ssssuu)", &what, &who, &why, &mode, &uid, &pid)) > 0) { + _cleanup_free_ char *comm = NULL, *user = NULL; + _cleanup_strv_free_ char **sv = NULL; + + if (!streq(mode, "block")) + continue; + + sv = strv_split(what, ":"); + if (!sv) + return log_oom(); + + if ((pid_t) pid < 0) + return log_error_errno(ERANGE, "Bad PID %"PRIu32": %m", pid); + + if (!strv_contains(sv, + a == ACTION_POWEROFF || + a == ACTION_REBOOT ? "shutdown" : "sleep")) + continue; + + get_process_comm(pid, &comm); + user = uid_to_name(uid); + + log_warning("Operation inhibited by \"%s\" (PID "PID_FMT" \"%s\", user %s), reason is \"%s\".", + who, (pid_t) pid, strna(comm), strna(user), why); + + c++; + } + if (r < 0) + return bus_log_parse_error(r); + + r = sd_bus_message_exit_container(reply); + if (r < 0) + return bus_log_parse_error(r); + + /* Check for current sessions */ + sd_get_sessions(&sessions); + STRV_FOREACH(s, sessions) { + _cleanup_free_ char *type = NULL, *tty = NULL, *seat = NULL, *user = NULL, *service = NULL, *class = NULL; + + if (sd_session_get_uid(*s, &uid) < 0 || uid == getuid()) + continue; + + if (sd_session_get_class(*s, &class) < 0 || !streq(class, "user")) + continue; + + if (sd_session_get_type(*s, &type) < 0 || (!streq(type, "x11") && !streq(type, "tty"))) + continue; + + sd_session_get_tty(*s, &tty); + sd_session_get_seat(*s, &seat); + sd_session_get_service(*s, &service); + user = uid_to_name(uid); + + log_warning("User %s is logged in on %s.", strna(user), isempty(tty) ? (isempty(seat) ? strna(service) : seat) : tty); + c++; + } + + if (c <= 0) + return 0; + + log_error("Please retry operation after closing inhibitors and logging out other users.\n" + "Alternatively, ignore inhibitors and users with 'loginctl %s -i'.", + action_table[a].verb); + + return -EPERM; +} + +static int start_special(int argc, char *argv[], void *userdata) { + sd_bus *bus = userdata; + enum action a; + int r; + + assert(argv); + + a = verb_to_action(argv[0]); + + r = check_inhibitors(bus, a); + if (r < 0) + return r; + + /* Now power off actions in chroot environments */ + if ((a == ACTION_POWEROFF || + a == ACTION_REBOOT) && + (running_in_chroot() > 0) ) { + log_info("Running in chroot, ignoring request."); + return 0; + } + + /* Switch to cancel shutdown, if a shutdown action was requested, + and the option to cancel it was set: */ + if ((a == ACTION_POWEROFF || + a == ACTION_REBOOT) && + (arg_action == ACTION_CANCEL_SHUTDOWN)) + return reboot_with_logind(bus, arg_action); + + /* Otherwise perform requested action */ + if (a == ACTION_POWEROFF || + a == ACTION_REBOOT || + a == ACTION_SUSPEND || + a == ACTION_HIBERNATE || + a == ACTION_HYBRID_SLEEP) + return reboot_with_logind(bus, a); + + return -EOPNOTSUPP; +} + +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-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" - "Commands:\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" +#if 0 + " -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" +#endif // 0 + " -c Cancel a pending shutdown\n" + " -i --ignore-inhibitors When shutting down or sleeping, ignore inhibitors\n" + "Session Commands:\n" " list-sessions List sessions\n" - " session-status ID... Show session status\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" + " 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" + " 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" + " 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" + " 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" + " 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 one or more 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); + " terminate-seat NAME... Terminate all sessions on one or more seats\n" + "System Commands:\n" + " poweroff Turn off the machine\n" + " reboot Reboot the machine\n" + " suspend Suspend the machine to memory\n" + " hibernate Suspend the machine to disk\n" + " hybrid-sleep Suspend the machine to memory and disk\n" + , program_invocation_short_name); return 0; } @@ -1070,6 +1663,7 @@ 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, }; @@ -1081,40 +1675,40 @@ static int parse_argv(int argc, char *argv[]) { { "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 }, +#if 0 + { "lines", required_argument, NULL, 'n' }, + { "output", required_argument, NULL, 'o' }, +#endif // 0 + { "ignore-inhibitors", no_argument, NULL, 'i' }, {} }; - int c; + int c, r; assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "hp:als:H:M:", options, NULL)) >= 0) { + while ((c = getopt_long(argc, argv, "hp:als:H:M:ci", options, NULL)) >= 0) switch (c) { case 'h': - return help(); + help(0, NULL, NULL); + return 0; case ARG_VERSION: - puts(PACKAGE_STRING); - puts(SYSTEMD_FEATURES); - return 0; + return version(); case 'p': { - char **l; - - l = strv_append(arg_property, optarg); - if (!l) - return -ENOMEM; - - strv_free(arg_property); - arg_property = l; + 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 @@ -1130,11 +1724,30 @@ static int parse_argv(int argc, char *argv[]) { case 'l': arg_full = true; break; +#if 0 + 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; +#endif // 0 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; @@ -1157,123 +1770,73 @@ static int parse_argv(int argc, char *argv[]) { break; case 'M': - arg_transport = BUS_TRANSPORT_CONTAINER; + arg_transport = BUS_TRANSPORT_MACHINE; arg_host = optarg; break; + case 'c': + arg_action = ACTION_CANCEL_SHUTDOWN; + break; + + case 'i': + arg_ignore_inhibitors = true; + break; + case '?': return -EINVAL; default: assert_not_reached("Unhandled option"); } - } return 1; } -static int loginctl_main(sd_bus *bus, int argc, char *argv[]) { - - static const struct { - const char* verb; - const enum { - MORE, - LESS, - EQUAL - } argc_cmp; - const int argc; - int (* const dispatch)(sd_bus *bus, char **args, unsigned n); - } verbs[] = { - { "list-sessions", LESS, 1, list_sessions }, - { "session-status", MORE, 2, show_session }, - { "show-session", MORE, 1, show_session }, - { "activate", EQUAL, 2, activate }, - { "lock-session", MORE, 2, activate }, - { "unlock-session", MORE, 2, activate }, - { "lock-sessions", EQUAL, 1, lock_sessions }, - { "unlock-sessions", EQUAL, 1, lock_sessions }, - { "terminate-session", MORE, 2, activate }, - { "kill-session", MORE, 2, kill_session }, - { "list-users", EQUAL, 1, list_users }, - { "user-status", MORE, 2, show_user }, - { "show-user", MORE, 1, show_user }, - { "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_seat }, - { "show-seat", MORE, 1, show_seat }, - { "attach", MORE, 3, attach }, - { "flush-devices", EQUAL, 1, flush_devices }, - { "terminate-seat", MORE, 2, terminate_seat }, +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 }, + { "poweroff", VERB_ANY, 1, 0, start_special }, + { "reboot", VERB_ANY, 1, 0, start_special }, + { "suspend", VERB_ANY, 1, 0, start_special }, + { "hibernate", VERB_ANY, 1, 0, start_special }, + { "hybrid-sleep", VERB_ANY, 1, 0, start_special }, + { "cancel-shutdown", VERB_ANY, 1, 0, start_special }, + {} }; - int left; - unsigned i; - - assert(argc >= 0); - assert(argv); - - 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."); - } - - return verbs[i].dispatch(bus, argv + optind, left); + return dispatch_verb(argc, argv, verbs, bus); } int main(int argc, char *argv[]) { - _cleanup_bus_unref_ sd_bus *bus = NULL; + _cleanup_bus_flush_close_unref_ sd_bus *bus = NULL; int r; setlocale(LC_ALL, ""); + elogind_set_program_name(argv[0]); log_parse_environment(); log_open(); @@ -1281,16 +1844,19 @@ int main(int argc, char *argv[]) { if (r <= 0) goto finish; - r = bus_open_transport(arg_transport, arg_host, false, &bus); + r = bus_connect_transport(arg_transport, arg_host, false, &bus); if (r < 0) { - log_error("Failed to create bus connection: %s", strerror(-r)); + log_error_errno(r, "Failed to create bus connection: %m"); goto finish; } - r = loginctl_main(bus, argc, argv); + sd_bus_set_allow_interactive_authorization(bus, arg_ask_password); + + r = loginctl_main(argc, argv, bus); finish: pager_close(); + polkit_agent_close(); strv_free(arg_property);