diff options
| author | Lennart Poettering <lennart@poettering.net> | 2013-11-05 01:10:21 +0100 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2013-11-05 01:13:05 +0100 |
| commit | cc3773810855956bad92337cee8fa193584ab62e (patch) | |
| tree | ea8a067a1b879d0ef11bac1dbc99757d8ad7b445 /src/login/logind-dbus.c | |
| parent | 6d1bd3b2bbae29dbd3862fdb9af2b472b01c480e (diff) | |
logind: port logind to libsystemd-bus
Diffstat (limited to 'src/login/logind-dbus.c')
| -rw-r--r-- | src/login/logind-dbus.c | 3415 |
1 files changed, 1461 insertions, 1954 deletions
diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index 890c5c6b1d..64716789e3 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -24,429 +24,490 @@ #include <unistd.h> #include <pwd.h> -#include "logind.h" -#include "dbus-common.h" +#include "sd-id128.h" +#include "sd-messages.h" #include "strv.h" #include "mkdir.h" #include "path-util.h" -#include "polkit.h" #include "special.h" #include "sleep-config.h" -#include "systemd/sd-id128.h" -#include "systemd/sd-messages.h" #include "fileio-label.h" #include "label.h" #include "utf8.h" #include "unit-name.h" -#include "bus-errors.h" #include "virt.h" +#include "audit.h" +#include "bus-util.h" +#include "bus-error.h" +#include "logind.h" -#define BUS_MANAGER_INTERFACE \ - " <interface name=\"org.freedesktop.login1.Manager\">\n" \ - " <method name=\"GetSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"GetSessionByPID\">\n" \ - " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"session\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"GetUser\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"GetUserByPID\">\n" \ - " <arg name=\"pid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"user\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"GetSeat\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"seat\" type=\"o\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ListSessions\">\n" \ - " <arg name=\"sessions\" type=\"a(susso)\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ListUsers\">\n" \ - " <arg name=\"users\" type=\"a(uso)\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ListSeats\">\n" \ - " <arg name=\"seats\" type=\"a(so)\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CreateSession\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"leader\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"service\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"type\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"class\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"vtnr\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"tty\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"display\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"remote\" type=\"b\" direction=\"in\"/>\n" \ - " <arg name=\"remote_user\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"remote_host\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"scope_properties\" type=\"a(sv)\" direction=\"in\"/>\n" \ - " <arg name=\"id\" type=\"s\" direction=\"out\"/>\n" \ - " <arg name=\"path\" type=\"o\" direction=\"out\"/>\n" \ - " <arg name=\"runtime_path\" type=\"o\" direction=\"out\"/>\n" \ - " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ - " <arg name=\"seat\" type=\"s\" direction=\"out\"/>\n" \ - " <arg name=\"vtnr\" type=\"u\" direction=\"out\"/>\n" \ - " <arg name=\"existing\" type=\"b\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ReleaseSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"ActivateSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"ActivateSessionOnSeat\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"LockSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"UnlockSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"LockSessions\"/>\n" \ - " <method name=\"UnlockSessions\"/>\n" \ - " <method name=\"KillSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"KillUser\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"signal\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"TerminateSession\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"TerminateUser\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"TerminateSeat\">\n" \ - " <arg name=\"id\" type=\"s\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"SetUserLinger\">\n" \ - " <arg name=\"uid\" type=\"u\" direction=\"in\"/>\n" \ - " <arg name=\"b\" type=\"b\" direction=\"in\"/>\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"AttachDevice\">\n" \ - " <arg name=\"seat\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"sysfs\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"FlushDevices\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"PowerOff\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"Reboot\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"Suspend\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"Hibernate\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"HybridSleep\">\n" \ - " <arg name=\"interactive\" type=\"b\" direction=\"in\"/>\n" \ - " </method>\n" \ - " <method name=\"CanPowerOff\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CanReboot\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CanSuspend\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CanHibernate\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"CanHybridSleep\">\n" \ - " <arg name=\"result\" type=\"s\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"Inhibit\">\n" \ - " <arg name=\"what\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"who\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"why\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"mode\" type=\"s\" direction=\"in\"/>\n" \ - " <arg name=\"fd\" type=\"h\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <method name=\"ListInhibitors\">\n" \ - " <arg name=\"inhibitors\" type=\"a(ssssuu)\" direction=\"out\"/>\n" \ - " </method>\n" \ - " <signal name=\"SessionNew\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"SessionRemoved\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"UserNew\">\n" \ - " <arg name=\"uid\" type=\"u\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"UserRemoved\">\n" \ - " <arg name=\"uid\" type=\"u\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"SeatNew\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"SeatRemoved\">\n" \ - " <arg name=\"id\" type=\"s\"/>\n" \ - " <arg name=\"path\" type=\"o\"/>\n" \ - " </signal>\n" \ - " <signal name=\"PrepareForShutdown\">\n" \ - " <arg name=\"active\" type=\"b\"/>\n" \ - " </signal>\n" \ - " <signal name=\"PrepareForSleep\">\n" \ - " <arg name=\"active\" type=\"b\"/>\n" \ - " </signal>\n" \ - " <property name=\"NAutoVTs\" type=\"u\" access=\"read\"/>\n" \ - " <property name=\"KillOnlyUsers\" type=\"as\" access=\"read\"/>\n" \ - " <property name=\"KillExcludeUsers\" type=\"as\" access=\"read\"/>\n" \ - " <property name=\"KillUserProcesses\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleHint\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHint\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"IdleSinceHintMonotonic\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"BlockInhibited\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"DelayInhibited\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"InhibitDelayMaxUSec\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"HandlePowerKey\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"HandleSuspendKey\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"HandleHibernateKey\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"HandleLidSwitch\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"IdleAction\" type=\"s\" access=\"read\"/>\n" \ - " <property name=\"IdleActionUSec\" type=\"t\" access=\"read\"/>\n" \ - " <property name=\"PreparingForShutdown\" type=\"b\" access=\"read\"/>\n" \ - " <property name=\"PreparingForSleep\" type=\"b\" access=\"read\"/>\n" \ - " </interface>\n" - -#define INTROSPECTION_BEGIN \ - DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE \ - "<node>\n" \ - BUS_MANAGER_INTERFACE \ - BUS_PROPERTIES_INTERFACE \ - BUS_PEER_INTERFACE \ - BUS_INTROSPECTABLE_INTERFACE - -#define INTROSPECTION_END \ - "</node>\n" - -#define INTERFACES_LIST \ - BUS_GENERIC_INTERFACES_LIST \ - "org.freedesktop.login1.Manager\0" - -static int bus_manager_append_idle_hint(DBusMessageIter *i, const char *property, void *data) { - Manager *m = data; - dbus_bool_t b; - - assert(i); - assert(property); - assert(m); +static int property_get_idle_hint( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - b = manager_get_idle_hint(m, NULL) > 0; - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b)) - return -ENOMEM; + Manager *m = userdata; - return 0; + assert(bus); + assert(reply); + assert(m); + + return sd_bus_message_append(reply, "b", manager_get_idle_hint(m, NULL) > 0); } -static int bus_manager_append_idle_hint_since(DBusMessageIter *i, const char *property, void *data) { - Manager *m = data; +static int property_get_idle_since_hint( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { + + Manager *m = userdata; dual_timestamp t; - uint64_t u; - assert(i); - assert(property); + assert(bus); + assert(reply); assert(m); manager_get_idle_hint(m, &t); - u = streq(property, "IdleSinceHint") ? t.realtime : t.monotonic; - - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_UINT64, &u)) - return -ENOMEM; - return 0; + return sd_bus_message_append(reply, "t", streq(property, "IdleSinceHint") ? t.realtime : t.monotonic); } -static int bus_manager_append_inhibited(DBusMessageIter *i, const char *property, void *data) { - Manager *m = data; +static int property_get_inhibited( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { + + Manager *m = userdata; InhibitWhat w; - const char *p; - w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); - p = inhibit_what_to_string(w); + assert(bus); + assert(reply); + assert(m); - if (!dbus_message_iter_append_basic(i, DBUS_TYPE_STRING, &p)) - return -ENOMEM; + w = manager_inhibit_what(m, streq(property, "BlockInhibited") ? INHIBIT_BLOCK : INHIBIT_DELAY); - return 0; + return sd_bus_message_append(reply, "s", inhibit_what_to_string(w)); } -static int bus_manager_append_preparing(DBusMessageIter *i, const char *property, void *data) { - Manager *m = data; - dbus_bool_t b; +static int property_get_preparing( + sd_bus *bus, + const char *path, + const char *interface, + const char *property, + sd_bus_message *reply, + sd_bus_error *error, + void *userdata) { - assert(i); - assert(property); + Manager *m = userdata; + bool b; + + assert(bus); + assert(reply); + assert(m); if (streq(property, "PreparingForShutdown")) b = !!(m->action_what & INHIBIT_SHUTDOWN); else b = !!(m->action_what & INHIBIT_SLEEP); - dbus_message_iter_append_basic(i, DBUS_TYPE_BOOLEAN, &b); - return 0; + return sd_bus_message_append(reply, "b", b); } -static int bus_manager_create_session(Manager *m, DBusMessage *message) { +static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); - const char *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *service; - uint32_t uid, leader, audit_id = 0; - _cleanup_free_ char *id = NULL; +static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_free_ char *p = NULL; + Manager *m = userdata; + const char *name; + Session *session; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + session = hashmap_get(m->sessions, name); + if (!session) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + + p = session_bus_path(session); + if (!p) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + + return sd_bus_reply_method_return(bus, message, "o", p); +} + +static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_free_ char *p = NULL; Session *session = NULL; + Manager *m = userdata; + uint32_t pid; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "u", &pid); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + r = manager_get_session_by_pid(m, pid, &session); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + if (!session) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SESSION_FOR_PID, "PID %lu does not belong to any known session", (unsigned long) pid); + + p = session_bus_path(session); + if (!p) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + + return sd_bus_reply_method_return(bus, message, "o", p); +} + +static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_free_ char *p = NULL; + Manager *m = userdata; + uint32_t uid; + User *user; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "u", &uid); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); + if (!user) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid); + + p = user_bus_path(user); + if (!p) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + + return sd_bus_reply_method_return(bus, message, "o", p); +} + +static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_free_ char *p = NULL; + Manager *m = userdata; User *user = NULL; - Seat *seat = NULL; - DBusMessageIter iter; - dbus_bool_t remote; - uint32_t vtnr = 0; - SessionType t; - SessionClass c; - bool b; + uint32_t pid; int r; + assert(bus); + assert(message); assert(m); + + r = sd_bus_message_read(message, "u", &pid); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + r = manager_get_user_by_pid(m, pid, &user); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + if (!user) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_USER_FOR_PID, "PID %lu does not belong to any known or logged in user", (unsigned long) pid); + + p = user_bus_path(user); + if (!p) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + + return sd_bus_reply_method_return(bus, message, "o", p); +} + +static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_free_ char *p = NULL; + Manager *m = userdata; + const char *name; + Seat *seat; + int r; + + assert(bus); assert(message); + assert(m); - if (!dbus_message_iter_init(message, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) - return -EINVAL; + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - dbus_message_iter_get_basic(&iter, &uid); + seat = hashmap_get(m->seats, name); + if (!seat) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) - return -EINVAL; + p = seat_bus_path(seat); + if (!p) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); - dbus_message_iter_get_basic(&iter, &leader); + return sd_bus_reply_method_return(bus, message, "o", p); +} - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; +static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + Manager *m = userdata; + Session *session; + Iterator i; + int r; + + assert(bus); + assert(message); + assert(m); - dbus_message_iter_get_basic(&iter, &service); + r = sd_bus_message_new_method_return(bus, message, &reply); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; + r = sd_bus_message_open_container(reply, 'a', "(susso)"); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + HASHMAP_FOREACH(session, m->sessions, i) { + _cleanup_free_ char *p = NULL; + + p = session_bus_path(session); + if (!p) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + + r = sd_bus_message_append(reply, "(susso)", + session->id, + (uint32_t) session->user->uid, + session->user->name, + session->seat ? session->seat->id : "", + p); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + } + + r = sd_bus_message_close_container(reply); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_send(bus, reply, NULL); +} + +static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + Manager *m = userdata; + User *user; + Iterator i; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_new_method_return(bus, message, &reply); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + r = sd_bus_message_open_container(reply, 'a', "(uso)"); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + HASHMAP_FOREACH(user, m->users, i) { + _cleanup_free_ char *p = NULL; + + p = user_bus_path(user); + if (!p) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + + r = sd_bus_message_append(reply, "(uso)", + (uint32_t) user->uid, + user->name, + p); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + } + + r = sd_bus_message_close_container(reply); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_send(bus, reply, NULL); +} + +static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + Manager *m = userdata; + Seat *seat; + Iterator i; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_new_method_return(bus, message, &reply); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + r = sd_bus_message_open_container(reply, 'a', "(so)"); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + HASHMAP_FOREACH(seat, m->seats, i) { + _cleanup_free_ char *p = NULL; + + p = seat_bus_path(seat); + if (!p) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + + r = sd_bus_message_append(reply, "so", seat->id, p); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + } + + r = sd_bus_message_close_container(reply); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_send(bus, reply, NULL); +} + +static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + Manager *m = userdata; + Inhibitor *inhibitor; + Iterator i; + int r; + + r = sd_bus_message_new_method_return(bus, message, &reply); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { + + r = sd_bus_message_append(reply, "ssssuu", + strempty(inhibit_what_to_string(inhibitor->what)), + strempty(inhibitor->who), + strempty(inhibitor->why), + strempty(inhibit_mode_to_string(inhibitor->mode)), + (uint32_t) inhibitor->uid, + (uint32_t) inhibitor->pid); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + } + + r = sd_bus_message_close_container(reply); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_send(bus, reply, NULL); +} + +static int method_create_session(sd_bus *bus, sd_bus_message *message, void *userdata) { + const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host; + uint32_t uid, leader, audit_id = 0; + _cleanup_free_ char *id = NULL; + Session *session = NULL; + Manager *m = userdata; + User *user = NULL; + Seat *seat = NULL; + int remote; + uint32_t vtnr = 0; + SessionType t; + SessionClass c; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "uussssussbss", &uid, &leader, &service, &type, &class, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + if (leader == 1) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); - dbus_message_iter_get_basic(&iter, &type); if (isempty(type)) t = _SESSION_TYPE_INVALID; else { t = session_type_from_string(type); if (t < 0) - return -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); } - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &class); if (isempty(class)) c = _SESSION_CLASS_INVALID; else { c = session_class_from_string(class); if (c < 0) - return -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); } - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &cseat); - if (isempty(cseat)) seat = NULL; else { seat = hashmap_get(m->seats, cseat); if (!seat) - return -ENOENT; + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat); } - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &vtnr); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &tty); - if (tty_is_vc(tty)) { int v; if (!seat) seat = m->seat0; else if (seat != m->seat0) - return -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat); v = vtnr_from_tty(tty); - if (v <= 0) - return v < 0 ? v : -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); if (vtnr <= 0) vtnr = (uint32_t) v; else if (vtnr != (uint32_t) v) - return -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); + } else if (tty_is_console(tty)) { if (!seat) seat = m->seat0; else if (seat != m->seat0) - return -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); if (vtnr != 0) - return -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); } if (seat) { if (seat_has_vts(seat)) { if (vtnr > 63) - return -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); } else { if (vtnr != 0) - return -EINVAL; + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); } } - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &display); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_BOOLEAN) - return -EINVAL; + r = sd_bus_message_enter_container(message, 'a', "(sv)"); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); if (t == _SESSION_TYPE_INVALID) { if (!isempty(display)) @@ -464,90 +525,48 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message) { c = SESSION_BACKGROUND; } - dbus_message_iter_get_basic(&iter, &remote); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &remote_user); - - if (!dbus_message_iter_next(&iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING) - return -EINVAL; - - dbus_message_iter_get_basic(&iter, &remote_host); - if (leader <= 0) { - leader = bus_get_unix_process_id(m->bus, dbus_message_get_sender(message), NULL); - if (leader == 0) - return -EINVAL; + assert_cc(sizeof(uint32_t) == sizeof(pid_t)); + + r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), (pid_t*) &leader); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); } manager_get_session_by_pid(m, leader, &session); if (session) { - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; _cleanup_free_ char *path = NULL; _cleanup_close_ int fifo_fd = -1; - dbus_bool_t exists; /* Session already exists, client is probably * something like "su" which changes uid but is still * the same session */ fifo_fd = session_create_fifo(session); - if (fifo_fd < 0) { - r = fifo_fd; - goto fail; - } + if (fifo_fd < 0) + return sd_bus_reply_method_errno(bus, message, fifo_fd, NULL); path = session_bus_path(session); - if (!path) { - r = -ENOMEM; - goto fail; - } - - reply = dbus_message_new_method_return(message); - if (!reply) { - r = -ENOMEM; - goto fail; - } - - cseat = session->seat ? session->seat->id : ""; - vtnr = session->vtnr; - exists = true; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_STRING, &session->id, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_STRING, &session->user->runtime_path, - DBUS_TYPE_UNIX_FD, &fifo_fd, - DBUS_TYPE_STRING, &cseat, - DBUS_TYPE_UINT32, &vtnr, - DBUS_TYPE_BOOLEAN, &exists, - DBUS_TYPE_INVALID); - if (!b) { - r = -ENOMEM; - goto fail; - } - - if (!dbus_connection_send(m->bus, reply, NULL)) { - r = -ENOMEM; - goto fail; - } + if (!path) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); - return 0; + return sd_bus_reply_method_return( + bus, message, "soshsub", + session->id, + path, + session->user->runtime_path, + fifo_fd, + session->seat ? session->seat->id : "", + (uint32_t) session->vtnr, + true); } audit_session_from_pid(leader, &audit_id); if (audit_id > 0) { /* Keep our session IDs and the audit session IDs in sync */ - if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) { - r = -ENOMEM; - goto fail; - } + if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); /* Wut? There's already a session by this name and we * didn't find it above? Weird, then let's not trust @@ -567,21 +586,23 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message) { free(id); id = NULL; - if (asprintf(&id, "c%lu", ++m->session_counter) < 0) { - r = -ENOMEM; - goto fail; - } + if (asprintf(&id, "c%lu", ++m->session_counter) < 0) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); } while (hashmap_get(m->sessions, id)); } r = manager_add_user_by_uid(m, uid, &user); - if (r < 0) + if (r < 0) { + r = sd_bus_reply_method_errno(bus, message, r, NULL); goto fail; + } r = manager_add_session(m, id, &session); - if (r < 0) + if (r < 0) { + r = sd_bus_reply_method_errno(bus, message, r, NULL); goto fail; + } session_set_user(session, user); @@ -595,7 +616,7 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message) { if (!isempty(tty)) { session->tty = strdup(tty); if (!session->tty) { - r = -ENOMEM; + r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); goto fail; } } @@ -603,7 +624,7 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message) { if (!isempty(display)) { session->display = strdup(display); if (!session->display) { - r = -ENOMEM; + r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); goto fail; } } @@ -611,7 +632,7 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message) { if (!isempty(remote_user)) { session->remote_user = strdup(remote_user); if (!session->remote_user) { - r = -ENOMEM; + r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); goto fail; } } @@ -619,7 +640,7 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message) { if (!isempty(remote_host)) { session->remote_host = strdup(remote_host); if (!session->remote_host) { - r = -ENOMEM; + r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); goto fail; } } @@ -627,28 +648,32 @@ static int bus_manager_create_session(Manager *m, DBusMessage *message) { if (!isempty(service)) { session->service = strdup(service); if (!session->service) { - r = -ENOMEM; + r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); goto fail; } } if (seat) { r = seat_attach_session(seat, session); - if (r < 0) + if (r < 0) { + r = sd_bus_reply_method_errno(bus, message, r, NULL); goto fail; + } } r = session_start(session); - if (r < 0) + if (r < 0) { + r = sd_bus_reply_method_errno(bus, message, r, NULL); goto fail; + } - session->create_message = dbus_message_ref(message); + session->create_message = sd_bus_message_ref(message); /* Now, let's wait until the slice unit and stuff got * created. We send the reply back from * session_send_create_reply().*/ - return 0; + return 1; fail: if (session) @@ -660,156 +685,349 @@ fail: return r; } -static int bus_manager_inhibit( - Manager *m, - DBusConnection *connection, - DBusMessage *message, - DBusError *error, - DBusMessage **_reply) { +static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + Session *session; + const char *name; + int r; - Inhibitor *i = NULL; - char *id = NULL; - const char *who, *why, *what, *mode; - pid_t pid; - InhibitWhat w; - InhibitMode mm; - unsigned long ul; - int r, fifo_fd = -1; - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + session = hashmap_get(m->sessions, name); + if (!session) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + + /* We use the FIFO to detect stray sessions where the process + invoking PAM dies abnormally. We need to make sure that + that process is not killed if at the clean end of the + session it closes the FIFO. Hence, with this call + explicitly turn off the FIFO logic, so that the PAM code + can finish clean up on its own */ + session_remove_fifo(session); + session_save(session); + user_save(session->user); + + return sd_bus_reply_method_return(bus, message, NULL); +} + +static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + Session *session; + const char *name; + int r; + assert(bus); + assert(message); assert(m); - assert(connection); + + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + session = hashmap_get(m->sessions, name); + if (!session) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + + r = session_activate(session); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_reply_method_return(bus, message, NULL); +} + +static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { + const char *session_name, *seat_name; + Manager *m = userdata; + Session *session; + Seat *seat; + int r; + + assert(bus); assert(message); - assert(error); - assert(_reply); - - if (!dbus_message_get_args( - message, - error, - DBUS_TYPE_STRING, &what, - DBUS_TYPE_STRING, &who, - DBUS_TYPE_STRING, &why, - DBUS_TYPE_STRING, &mode, - DBUS_TYPE_INVALID)) { - r = -EIO; - goto fail; - } + assert(m); - w = inhibit_what_from_string(what); - if (w <= 0) { - r = -EINVAL; - goto fail; - } + /* Same as ActivateSession() but refuses to work if + * the seat doesn't match */ - mm = inhibit_mode_from_string(mode); - if (mm < 0) { - r = -EINVAL; - goto fail; - } + r = sd_bus_message_read(message, "ss", &session_name, &seat_name); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - /* Delay is only supported for shutdown/sleep */ - if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) { - r = -EINVAL; - goto fail; - } + session = hashmap_get(m->sessions, session_name); + if (!session) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", session_name); - /* Don't allow taking delay locks while we are already - * executing the operation. We shouldn't create the impression - * that the lock was successful if the machine is about to go - * down/suspend any moment. */ - if (m->action_what & w) { - r = -EALREADY; - goto fail; - } + seat = hashmap_get(m->seats, seat_name); + if (!seat) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat_name); + + if (session->seat != seat) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); - r = verify_polkit(connection, message, - w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : - w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : - w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : - w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : - w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : - w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : - "org.freedesktop.login1.inhibit-handle-lid-switch", - false, NULL, error); + r = session_activate(session); if (r < 0) - goto fail; + return sd_bus_reply_method_errno(bus, message, r, NULL); - ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); - if (ul == (unsigned long) -1) { - r = -EIO; - goto fail; - } + return sd_bus_reply_method_return(bus, message, NULL); +} - pid = bus_get_unix_process_id(connection, dbus_message_get_sender(message), error); - if (pid <= 0) { - r = -EIO; - goto fail; - } +static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + Session *session; + const char *name; + int r; - do { - free(id); - id = NULL; + assert(bus); + assert(message); + assert(m); - if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) { - r = -ENOMEM; - goto fail; - } - } while (hashmap_get(m->inhibitors, id)); + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - r = manager_add_inhibitor(m, id, &i); - free(id); + session = hashmap_get(m->sessions, name); + if (!session) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + r = session_send_lock(session, streq(sd_bus_message_get_member(message), "LockSession")); if (r < 0) - goto fail; + return sd_bus_reply_method_errno(bus, message, r, NULL); - i->what = w; - i->mode = mm; - i->pid = pid; - i->uid = (uid_t) ul; - i->why = strdup(why); - i->who = strdup(who); + return sd_bus_reply_method_return(bus, message, NULL); +} - if (!i->why || !i->who) { - r = -ENOMEM; - goto fail; - } +static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + int r; - fifo_fd = inhibitor_create_fifo(i); - if (fifo_fd < 0) { - r = fifo_fd; - goto fail; - } + assert(bus); + assert(message); + assert(m); - reply = dbus_message_new_method_return(message); - if (!reply) { - r = -ENOMEM; - goto fail; - } + r = session_send_lock_all(m, streq(sd_bus_message_get_member(message), "LockSessions")); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - if (!dbus_message_append_args( - reply, - DBUS_TYPE_UNIX_FD, &fifo_fd, - DBUS_TYPE_INVALID)) { - r = -ENOMEM; - goto fail; + return sd_bus_reply_method_return(bus, message, NULL); +} + +static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata) { + const char *name, *swho; + Manager *m = userdata; + Session *session; + int32_t signo; + KillWho who; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "ssi", &name, &swho, &signo); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + if (isempty(swho)) + who = KILL_ALL; + else { + who = kill_who_from_string(swho); + if (who < 0) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid kill parameter '%s'", swho); } - close_nointr_nofail(fifo_fd); - *_reply = reply; - reply = NULL; + if (signo <= 0 || signo >= _NSIG) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); - inhibitor_start(i); + session = hashmap_get(m->sessions, name); + if (!session) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); - return 0; + r = session_kill(session, who, signo); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); -fail: - if (i) - inhibitor_free(i); + return sd_bus_reply_method_return(bus, message, NULL); +} - if (fifo_fd >= 0) - close_nointr_nofail(fifo_fd); +static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + uint32_t uid; + int32_t signo; + User *user; + int r; - return r; + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "ui", &uid, &signo); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + if (signo <= 0 || signo >= _NSIG) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); + + user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); + if (!user) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid); + + r = user_kill(user, signo); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_reply_method_return(bus, message, NULL); +} + +static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + const char *name; + Session *session; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + session = hashmap_get(m->sessions, name); + if (!session) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + + r = session_stop(session); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_reply_method_return(bus, message, NULL); +} + +static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + uint32_t uid; + User *user; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "u", &uid); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); + if (!user) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_USER, "No user '%lu' known or logged in", (unsigned long) uid); + + r = user_stop(user); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_reply_method_return(bus, message, NULL); +} + +static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + const char *name; + Seat *seat; + int r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "s", &name); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + seat = hashmap_get(m->seats, name); + if (!seat) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); + + r = seat_stop_sessions(seat); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_reply_method_return(bus, message, NULL); +} + +static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_free_ char *cc = NULL; + Manager *m = userdata; + int b, r; + struct passwd *pw; + const char *path; + uint32_t uid; + int interactive; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + errno = 0; + pw = getpwuid(uid); + if (!pw) + return sd_bus_reply_method_errno(bus, message, errno ? errno : ENOENT, NULL); + + r = bus_verify_polkit_async(bus, + &m->polkit_registry, + message, + "org.freedesktop.login1.set-user-linger", + interactive, + &error, + method_set_user_linger, m); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, &error); + if (r == 0) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ + + mkdir_p_label("/var/lib/systemd", 0755); + + r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + cc = cescape(pw->pw_name); + if (!cc) + return sd_bus_reply_method_errno(bus, message, ENOMEM, NULL); + + path = strappenda("/var/lib/systemd/linger/", cc); + if (b) { + User *u; + + r = touch(path); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + if (manager_add_user_by_uid(m, uid, &u) >= 0) + user_start(u); + + } else { + User *u; + + r = unlink(path); + if (r < 0 && errno != ENOENT) + return sd_bus_reply_method_errno(bus, message, errno, NULL); + + u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); + if (u) + user_add_to_gc_queue(u); + } + + return sd_bus_reply_method_return(bus, message, NULL); } static int trigger_device(Manager *m, struct udev_device *d) { @@ -839,7 +1057,7 @@ static int trigger_device(Manager *m, struct udev_device *d) { first = udev_enumerate_get_list_entry(e); udev_list_entry_foreach(item, first) { - char *t; + _cleanup_free_ char *t = NULL; const char *p; p = udev_list_entry_get_name(item); @@ -851,7 +1069,6 @@ static int trigger_device(Manager *m, struct udev_device *d) { } write_string_file(t, "change"); - free(t); } r = 0; @@ -864,9 +1081,9 @@ finish: } static int attach_device(Manager *m, const char *seat, const char *sysfs) { - struct udev_device *d; _cleanup_free_ char *rule = NULL, *file = NULL; const char *id_for_seat; + struct udev_device *d; int r; assert(m); @@ -944,6 +1161,77 @@ static int flush_devices(Manager *m) { return trigger_device(m, NULL); } +static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + const char *sysfs, *seat; + Manager *m = userdata; + int interactive, r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + if (!path_startswith(sysfs, "/sys")) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Path %s is not in /sys", sysfs); + + if (!seat_name_is_valid(seat)) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Seat %s is not valid", seat); + + r = bus_verify_polkit_async(bus, + &m->polkit_registry, + message, + "org.freedesktop.login1.attach-device", + interactive, + &error, + method_attach_device, m); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, &error); + if (r == 0) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ + + r = attach_device(m, seat, sysfs); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + return sd_bus_reply_method_return(bus, message, NULL); +} + +static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + Manager *m = userdata; + int interactive, r; + + assert(bus); + assert(message); + assert(m); + + r = sd_bus_message_read(message, "b", &interactive); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); + + r = bus_verify_polkit_async(bus, + &m->polkit_registry, + message, + "org.freedesktop.login1.flush-devices", + interactive, + &error, + method_flush_devices, m); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, &error); + if (r == 0) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ + + r = flush_devices(m); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, &error); + + return sd_bus_reply_method_return(bus, message, NULL); +} + static int have_multiple_sessions( Manager *m, uid_t uid) { @@ -1003,12 +1291,12 @@ static int execute_shutdown_or_sleep( Manager *m, InhibitWhat w, const char *unit_name, - DBusError *error) { + sd_bus_error *error) { - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - const char *mode = "replace-irreversibly", *p; - int r; + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + const char *p; char *c; + int r; assert(m); assert(w >= 0); @@ -1017,26 +1305,21 @@ static int execute_shutdown_or_sleep( bus_manager_log_shutdown(m, w, unit_name); - r = bus_method_call_with_reply( + r = sd_bus_call_method( m->bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartUnit", - &reply, error, - DBUS_TYPE_STRING, &unit_name, - DBUS_TYPE_STRING, &mode, - DBUS_TYPE_INVALID); + &reply, + "ss", unit_name, "replace-irreversibly"); if (r < 0) return r; - if (!dbus_message_get_args( - reply, - error, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID)) - return -EINVAL; + r = sd_bus_message_read(reply, "o", &p); + if (r < 0) + return r; c = strdup(p); if (!c) @@ -1067,145 +1350,33 @@ static int delay_shutdown_or_sleep( return 0; } -static int bus_manager_can_shutdown_or_sleep( - Manager *m, - DBusConnection *connection, - DBusMessage *message, - InhibitWhat w, - const char *action, - const char *action_multiple_sessions, - const char *action_ignore_inhibit, - const char *sleep_verb, - DBusError *error, - DBusMessage **_reply) { - - bool multiple_sessions, challenge, blocked, b; - const char *result = NULL; - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - int r; - unsigned long ul; - - assert(m); - assert(connection); - assert(message); - assert(w >= 0); - assert(w <= _INHIBIT_WHAT_MAX); - assert(action); - assert(action_multiple_sessions); - assert(action_ignore_inhibit); - assert(error); - assert(_reply); - - if (sleep_verb) { - r = can_sleep(sleep_verb); - if (r < 0) - return r; - if (r == 0) { - result = "na"; - goto finish; - } - } - - ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); - if (ul == (unsigned long) -1) - return -EIO; - - r = have_multiple_sessions(m, (uid_t) ul); - if (r < 0) - return r; - - multiple_sessions = r > 0; - blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); - - if (multiple_sessions) { - r = verify_polkit(connection, message, action_multiple_sessions, false, &challenge, error); - if (r < 0) - return r; - - if (r > 0) - result = "yes"; - else if (challenge) - result = "challenge"; - else - result = "no"; - } - - if (blocked) { - r = verify_polkit(connection, message, action_ignore_inhibit, false, &challenge, error); - if (r < 0) - return r; - - if (r > 0 && !result) - result = "yes"; - else if (challenge && (!result || streq(result, "yes"))) - result = "challenge"; - else - result = "no"; - } - - if (!multiple_sessions && !blocked) { - /* If neither inhibit nor multiple sessions - * apply then just check the normal policy */ - - r = verify_polkit(connection, message, action, false, &challenge, error); - if (r < 0) - return r; - - if (r > 0) - result = "yes"; - else if (challenge) - result = "challenge"; - else - result = "no"; - } - -finish: - reply = dbus_message_new_method_return(message); - if (!reply) - return -ENOMEM; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_STRING, &result, - DBUS_TYPE_INVALID); - if (!b) - return -ENOMEM; - - *_reply = reply; - reply = NULL; - return 0; -} - static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { + static const char * const signal_name[_INHIBIT_WHAT_MAX] = { [INHIBIT_SHUTDOWN] = "PrepareForShutdown", [INHIBIT_SLEEP] = "PrepareForSleep" }; - dbus_bool_t active = _active; - _cleanup_dbus_message_unref_ DBusMessage *message = NULL; + int active = _active; assert(m); assert(w >= 0); assert(w < _INHIBIT_WHAT_MAX); assert(signal_name[w]); - message = dbus_message_new_signal("/org/freedesktop/login1", "org.freedesktop.login1.Manager", signal_name[w]); - if (!message) - return -ENOMEM; - - if (!dbus_message_append_args(message, DBUS_TYPE_BOOLEAN, &active, DBUS_TYPE_INVALID) || - !dbus_connection_send(m->bus, message, NULL)) - return -ENOMEM; - - return 0; + return sd_bus_emit_signal(m->bus, + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + signal_name[w], + "b", + &active); } int bus_manager_shutdown_or_sleep_now_or_later( Manager *m, const char *unit_name, InhibitWhat w, - DBusError *error) { + sd_bus_error *error) { bool delayed; int r; @@ -1235,27 +1406,23 @@ int bus_manager_shutdown_or_sleep_now_or_later( return r; } -static int bus_manager_do_shutdown_or_sleep( +static int method_do_shutdown_or_sleep( Manager *m, - DBusConnection *connection, - DBusMessage *message, + sd_bus_message *message, const char *unit_name, InhibitWhat w, const char *action, const char *action_multiple_sessions, const char *action_ignore_inhibit, const char *sleep_verb, - DBusError *error, - DBusMessage **_reply) { + sd_bus_message_handler_t method) { - dbus_bool_t interactive; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; bool multiple_sessions, blocked; - DBusMessage *reply = NULL; - int r; - unsigned long ul; + int interactive, r; + uid_t uid; assert(m); - assert(connection); assert(message); assert(unit_name); assert(w >= 0); @@ -1263,1254 +1430,664 @@ static int bus_manager_do_shutdown_or_sleep( assert(action); assert(action_multiple_sessions); assert(action_ignore_inhibit); - assert(error); - assert(_reply); + assert(method); + + r = sd_bus_message_read(message, "b", &interactive); + if (r < 0) + return sd_bus_reply_method_errno(m->bus, message, r, NULL); /* Don't allow multiple jobs being executed at the same time */ if (m->action_what) - return -EALREADY; - - if (!dbus_message_get_args( - message, - error, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID)) - return -EINVAL; + return sd_bus_reply_method_errorf(m->bus, message, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); if (sleep_verb) { r = can_sleep(sleep_verb); if (r < 0) - return r; + return sd_bus_reply_method_errno(m->bus, message, r, NULL); if (r == 0) - return -ENOTSUP; + return sd_bus_reply_method_errorf(m->bus, message, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); } - ul = dbus_bus_get_unix_user(connection, dbus_message_get_sender(message), error); - if (ul == (unsigned long) -1) - return -EIO; + r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); + if (r < 0) + return sd_bus_reply_method_errno(m->bus, message, r, NULL); - r = have_multiple_sessions(m, (uid_t) ul); + r = have_multiple_sessions(m, uid); if (r < 0) - return r; + return sd_bus_reply_method_errno(m->bus, message, r, NULL); multiple_sessions = r > 0; - blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, (uid_t) ul); + blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid); if (multiple_sessions) { - r = verify_polkit(connection, message, action_multiple_sessions, interactive, NULL, error); + r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, + action_multiple_sessions, interactive, &error, method, m); if (r < 0) - return r; + return sd_bus_reply_method_errno(m->bus, message, r, &error); } if (blocked) { - r = verify_polkit(connection, message, action_ignore_inhibit, interactive, NULL, error); + r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, + action_ignore_inhibit, interactive, &error, method, m); if (r < 0) - return r; + return sd_bus_reply_method_errno(m->bus, message, r, &error); } if (!multiple_sessions && !blocked) { - r = verify_polkit(connection, message, action, interactive, NULL, error); + r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, + action, interactive, &error, method, m); if (r < 0) - return r; + return sd_bus_reply_method_errno(m->bus, message, r, &error); } - r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, error); + r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, &error); if (r < 0) - return r; + return sd_bus_reply_method_errno(m->bus, message, r, &error); - reply = dbus_message_new_method_return(message); - if (!reply) - return -ENOMEM; - - *_reply = reply; - return 0; + return sd_bus_reply_method_return(m->bus, message, NULL); } -static DEFINE_BUS_PROPERTY_APPEND_ENUM(bus_manager_append_handle_action, handle_action, HandleAction); - -static const BusProperty bus_login_manager_properties[] = { - { "NAutoVTs", bus_property_append_unsigned, "u", offsetof(Manager, n_autovts) }, - { "KillOnlyUsers", bus_property_append_strv, "as", offsetof(Manager, kill_only_users), true }, - { "KillExcludeUsers", bus_property_append_strv, "as", offsetof(Manager, kill_exclude_users), true }, - { "KillUserProcesses", bus_property_append_bool, "b", offsetof(Manager, kill_user_processes) }, - { "IdleHint", bus_manager_append_idle_hint, "b", 0 }, - { "IdleSinceHint", bus_manager_append_idle_hint_since, "t", 0 }, - { "IdleSinceHintMonotonic", bus_manager_append_idle_hint_since, "t", 0 }, - { "BlockInhibited", bus_manager_append_inhibited, "s", 0 }, - { "DelayInhibited", bus_manager_append_inhibited, "s", 0 }, - { "InhibitDelayMaxUSec", bus_property_append_usec, "t", offsetof(Manager, inhibit_delay_max) }, - { "HandlePowerKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_power_key) }, - { "HandleSuspendKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_suspend_key) }, - { "HandleHibernateKey", bus_manager_append_handle_action, "s", offsetof(Manager, handle_hibernate_key)}, - { "HandleLidSwitch", bus_manager_append_handle_action, "s", offsetof(Manager, handle_lid_switch) }, - { "IdleAction", bus_manager_append_handle_action, "s", offsetof(Manager, idle_action) }, - { "IdleActionUSec", bus_property_append_usec, "t", offsetof(Manager, idle_action_usec) }, - { "PreparingForShutdown", bus_manager_append_preparing, "b", 0 }, - { "PreparingForSleep", bus_manager_append_preparing, "b", 0 }, - { NULL, } -}; - -static DBusHandlerResult manager_message_handler( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - +static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata) { Manager *m = userdata; - DBusError error; - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - int r; - - assert(connection); - assert(message); - assert(m); - - dbus_error_init(&error); - - if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSession")) { - const char *name; - char *p; - Session *session; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = session_bus_path(session); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSessionByPID")) { - uint32_t pid; - char *p; - Session *session; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &pid, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = manager_get_session_by_pid(m, pid, &session); - if (r <= 0) - return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = session_bus_path(session); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUser")) { - uint32_t uid; - char *p; - User *user; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = user_bus_path(user); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetUserByPID")) { - uint32_t pid; - char *p; - User *user; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &pid, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = manager_get_user_by_pid(m, pid, &user); - if (r <= 0) - return bus_send_error_reply(connection, message, NULL, r < 0 ? r : -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = user_bus_path(user); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "GetSeat")) { - const char *name; - char *p; - Seat *seat; - bool b; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - seat = hashmap_get(m->seats, name); - if (!seat) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - p = seat_bus_path(seat); - if (!p) - goto oom; - - b = dbus_message_append_args( - reply, - DBUS_TYPE_OBJECT_PATH, &p, - DBUS_TYPE_INVALID); - free(p); - - if (!b) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSessions")) { - char *p; - Session *session; - Iterator i; - DBusMessageIter iter, sub; - const char *empty = ""; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - dbus_message_iter_init_append(reply, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(susso)", &sub)) - goto oom; - - HASHMAP_FOREACH(session, m->sessions, i) { - DBusMessageIter sub2; - uint32_t uid; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - goto oom; - - uid = session->user->uid; - - p = session_bus_path(session); - if (!p) - goto oom; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->id) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &session->user->name) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, session->seat ? (const char**) &session->seat->id : &empty) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - goto oom; - } - - free(p); - - if (!dbus_message_iter_close_container(&sub, &sub2)) - goto oom; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListUsers")) { - User *user; - Iterator i; - DBusMessageIter iter, sub; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - dbus_message_iter_init_append(reply, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(uso)", &sub)) - goto oom; - - HASHMAP_FOREACH(user, m->users, i) { - _cleanup_free_ char *p = NULL; - DBusMessageIter sub2; - uint32_t uid; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - goto oom; - - uid = user->uid; - - p = user_bus_path(user); - if (!p) - goto oom; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &user->name) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - goto oom; - } - - if (!dbus_message_iter_close_container(&sub, &sub2)) - goto oom; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListSeats")) { - Seat *seat; - Iterator i; - DBusMessageIter iter, sub; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - dbus_message_iter_init_append(reply, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(so)", &sub)) - goto oom; - - HASHMAP_FOREACH(seat, m->seats, i) { - _cleanup_free_ char *p = NULL; - DBusMessageIter sub2; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - goto oom; - - p = seat_bus_path(seat); - if (!p) - goto oom; - - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &seat->id) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_OBJECT_PATH, &p)) { - free(p); - goto oom; - } - - if (!dbus_message_iter_close_container(&sub, &sub2)) - goto oom; - } - - if (!dbus_message_iter_close_container(&iter, &sub)) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ListInhibitors")) { - Inhibitor *inhibitor; - Iterator i; - DBusMessageIter iter, sub; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - dbus_message_iter_init_append(reply, &iter); - - if (!dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(ssssuu)", &sub)) - goto oom; - - HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { - DBusMessageIter sub2; - dbus_uint32_t uid, pid; - const char *what, *who, *why, *mode; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2)) - goto oom; - - what = strempty(inhibit_what_to_string(inhibitor->what)); - who = strempty(inhibitor->who); - why = strempty(inhibitor->why); - mode = strempty(inhibit_mode_to_string(inhibitor->mode)); - uid = (dbus_uint32_t) inhibitor->uid; - pid = (dbus_uint32_t) inhibitor->pid; + return method_do_shutdown_or_sleep( + m, message, + SPECIAL_POWEROFF_TARGET, + INHIBIT_SHUTDOWN, + "org.freedesktop.login1.power-off", + "org.freedesktop.login1.power-off-multiple-sessions", + "org.freedesktop.login1.power-off-ignore-inhibit", + NULL, + method_poweroff); +} - if (!dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &what) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &who) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &why) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &mode) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &uid) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_UINT32, &pid)) - goto oom; +static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; - if (!dbus_message_iter_close_container(&sub, &sub2)) - goto oom; - } + return method_do_shutdown_or_sleep( + m, message, + SPECIAL_REBOOT_TARGET, + INHIBIT_SHUTDOWN, + "org.freedesktop.login1.reboot", + "org.freedesktop.login1.reboot-multiple-sessions", + "org.freedesktop.login1.reboot-ignore-inhibit", + NULL, + method_reboot); +} - if (!dbus_message_iter_close_container(&iter, &sub)) - goto oom; +static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + return method_do_shutdown_or_sleep( + m, message, + SPECIAL_SUSPEND_TARGET, + INHIBIT_SLEEP, + "org.freedesktop.login1.suspend", + "org.freedesktop.login1.suspend-multiple-sessions", + "org.freedesktop.login1.suspend-ignore-inhibit", + "suspend", + method_suspend); +} - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Inhibit")) { +static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; - r = bus_manager_inhibit(m, connection, message, &error, &reply); + return method_do_shutdown_or_sleep( + m, message, + SPECIAL_HIBERNATE_TARGET, + INHIBIT_SLEEP, + "org.freedesktop.login1.hibernate", + "org.freedesktop.login1.hibernate-multiple-sessions", + "org.freedesktop.login1.hibernate-ignore-inhibit", + "hibernate", + method_hibernate); +} - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); +static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + return method_do_shutdown_or_sleep( + m, message, + SPECIAL_HYBRID_SLEEP_TARGET, + INHIBIT_SLEEP, + "org.freedesktop.login1.hibernate", + "org.freedesktop.login1.hibernate-multiple-sessions", + "org.freedesktop.login1.hibernate-ignore-inhibit", + "hybrid-sleep", + method_hybrid_sleep); +} - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CreateSession")) { +static int method_can_shutdown_or_sleep( + Manager *m, + sd_bus_message *message, + InhibitWhat w, + const char *action, + const char *action_multiple_sessions, + const char *action_ignore_inhibit, + const char *sleep_verb) { - r = bus_manager_create_session(m, message); + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + bool multiple_sessions, challenge, blocked; + const char *result = NULL; + uid_t uid; + int r; - /* Don't delay the work on OOM here, since it might be - * triggered by a low RLIMIT_NOFILE here (since we - * send a dupped fd to the client), and we'd rather - * see this fail quickly then be retried later */ + assert(m); + assert(message); + assert(w >= 0); + assert(w <= _INHIBIT_WHAT_MAX); + assert(action); + assert(action_multiple_sessions); + assert(action_ignore_inhibit); + if (sleep_verb) { + r = can_sleep(sleep_verb); if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); + return sd_bus_reply_method_errno(m->bus, message, r, NULL); + if (r == 0) + return sd_bus_reply_method_return(m->bus, message, "s", "na"); + } - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ReleaseSession")) { - const char *name; - Session *session; + r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); + if (r < 0) + return sd_bus_reply_method_errno(m->bus, message, r, NULL); - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - /* We use the FIFO to detect stray sessions where the - process invoking PAM dies abnormally. We need to make - sure that that process is not killed if at the clean - end of the session it closes the FIFO. Hence, with - this call explicitly turn off the FIFO logic, so that - the PAM code can finish clean up on its own */ - session_remove_fifo(session); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSession")) { - const char *name; - Session *session; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); + r = have_multiple_sessions(m, uid); + if (r < 0) + return sd_bus_reply_method_errno(m->bus, message, r, NULL); - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); + multiple_sessions = r > 0; + blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid); - r = session_activate(session); + if (multiple_sessions) { + r = bus_verify_polkit(m->bus, message, action_multiple_sessions, false, &challenge, &error); if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; + return sd_bus_reply_method_errno(m->bus, message, r, &error); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "ActivateSessionOnSeat")) { - const char *session_name, *seat_name; - Session *session; - Seat *seat; - - /* Same as ActivateSession() but refuses to work if - * the seat doesn't match */ - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &session_name, - DBUS_TYPE_STRING, &seat_name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - session = hashmap_get(m->sessions, session_name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - seat = hashmap_get(m->seats, seat_name); - if (!seat) - return bus_send_error_reply(connection, message, &error, -ENOENT); - - if (session->seat != seat) - return bus_send_error_reply(connection, message, &error, -EINVAL); + if (r > 0) + result = "yes"; + else if (challenge) + result = "challenge"; + else + result = "no"; + } - r = session_activate(session); + if (blocked) { + r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, &error); if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSession") || - dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSession")) { - const char *name; - Session *session; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); + return sd_bus_reply_method_errno(m->bus, message, r, &error); - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, NULL, -ENOENT); - - if (session_send_lock(session, streq(dbus_message_get_member(message), "LockSession")) < 0) - goto oom; - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; + if (r > 0 && !result) + result = "yes"; + else if (challenge && (!result || streq(result, "yes"))) + result = "challenge"; + else + result = "no"; + } - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "LockSessions") || - dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "UnlockSessions")) { + if (!multiple_sessions && !blocked) { + /* If neither inhibit nor multiple sessions + * apply then just check the normal policy */ - r = session_send_lock_all(m, streq(dbus_message_get_member(message), "LockSessions")); + r = bus_verify_polkit(m->bus, message, action, false, &challenge, &error); if (r < 0) - bus_send_error_reply(connection, message, NULL, r); + return sd_bus_reply_method_errno(m->bus, message, r, &error); - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; + if (r > 0) + result = "yes"; + else if (challenge) + result = "challenge"; + else + result = "no"; + } - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillSession")) { - const char *swho; - int32_t signo; - KillWho who; - const char *name; - Session *session; + return sd_bus_reply_method_return(m->bus, message, "s", result); +} - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &swho, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (isempty(swho)) - who = KILL_ALL; - else { - who = kill_who_from_string(swho); - if (who < 0) - return bus_send_error_reply(connection, message, &error, -EINVAL); - } +static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; - if (signo <= 0 || signo >= _NSIG) - return bus_send_error_reply(connection, message, &error, -EINVAL); + return method_can_shutdown_or_sleep( + m, message, + INHIBIT_SHUTDOWN, + "org.freedesktop.login1.power-off", + "org.freedesktop.login1.power-off-multiple-sessions", + "org.freedesktop.login1.power-off-ignore-inhibit", + NULL); +} - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); +static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; - r = session_kill(session, who, signo); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); + return method_can_shutdown_or_sleep( + m, message, + INHIBIT_SHUTDOWN, + "org.freedesktop.login1.reboot", + "org.freedesktop.login1.reboot-multiple-sessions", + "org.freedesktop.login1.reboot-ignore-inhibit", + NULL); +} - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; +static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "KillUser")) { - uint32_t uid; - User *user; - int32_t signo; + return method_can_shutdown_or_sleep( + m, message, + INHIBIT_SLEEP, + "org.freedesktop.login1.suspend", + "org.freedesktop.login1.suspend-multiple-sessions", + "org.freedesktop.login1.suspend-ignore-inhibit", + "suspend"); +} - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); +static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; - if (signo <= 0 || signo >= _NSIG) - return bus_send_error_reply(connection, message, &error, -EINVAL); + return method_can_shutdown_or_sleep( + m, message, + INHIBIT_SLEEP, + "org.freedesktop.login1.hibernate", + "org.freedesktop.login1.hibernate-multiple-sessions", + "org.freedesktop.login1.hibernate-ignore-inhibit", + "hibernate"); +} - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return bus_send_error_reply(connection, message, &error, -ENOENT); +static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; - r = user_kill(user, signo); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); + return method_can_shutdown_or_sleep( + m, message, + INHIBIT_SLEEP, + "org.freedesktop.login1.hibernate", + "org.freedesktop.login1.hibernate-multiple-sessions", + "org.freedesktop.login1.hibernate-ignore-inhibit", + "hybrid-sleep"); +} - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; +static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + const char *who, *why, *what, *mode; + _cleanup_free_ char *id = NULL; + _cleanup_close_ int fifo_fd = -1; + Manager *m = userdata; + Inhibitor *i = NULL; + InhibitMode mm; + InhibitWhat w; + pid_t pid; + uid_t uid; + int r; - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSession")) { - const char *name; - Session *session; + assert(bus); + assert(message); + assert(m); - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); + r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - session = hashmap_get(m->sessions, name); - if (!session) - return bus_send_error_reply(connection, message, &error, -ENOENT); + w = inhibit_what_from_string(what); + if (w <= 0) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); - r = session_stop(session); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); + mm = inhibit_mode_from_string(mode); + if (mm < 0) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; + /* Delay is only supported for shutdown/sleep */ + if (mm == INHIBIT_DELAY && (w & ~(INHIBIT_SHUTDOWN|INHIBIT_SLEEP))) + return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateUser")) { - uint32_t uid; - User *user; + /* Don't allow taking delay locks while we are already + * executing the operation. We shouldn't create the impression + * that the lock was successful if the machine is about to go + * down/suspend any moment. */ + if (m->action_what & w) + return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); + + r = bus_verify_polkit_async(bus, &m->polkit_registry, message, + w == INHIBIT_SHUTDOWN ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-shutdown" : "org.freedesktop.login1.inhibit-delay-shutdown") : + w == INHIBIT_SLEEP ? (mm == INHIBIT_BLOCK ? "org.freedesktop.login1.inhibit-block-sleep" : "org.freedesktop.login1.inhibit-delay-sleep") : + w == INHIBIT_IDLE ? "org.freedesktop.login1.inhibit-block-idle" : + w == INHIBIT_HANDLE_POWER_KEY ? "org.freedesktop.login1.inhibit-handle-power-key" : + w == INHIBIT_HANDLE_SUSPEND_KEY ? "org.freedesktop.login1.inhibit-handle-suspend-key" : + w == INHIBIT_HANDLE_HIBERNATE_KEY ? "org.freedesktop.login1.inhibit-handle-hibernate-key" : + "org.freedesktop.login1.inhibit-handle-lid-switch", + false, &error, method_inhibit, m); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, &error); + if (r == 0) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); + r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - user = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (!user) - return bus_send_error_reply(connection, message, &error, -ENOENT); + r = sd_bus_get_owner_pid(m->bus, sd_bus_message_get_sender(message), &pid); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - r = user_stop(user); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); + do { + free(id); + id = NULL; - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; + if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) + return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "TerminateSeat")) { - const char *name; - Seat *seat; + } while (hashmap_get(m->inhibitors, id)); - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); + r = manager_add_inhibitor(m, id, &i); + if (r < 0) + return sd_bus_reply_method_errno(bus, message, r, NULL); - seat = hashmap_get(m->seats, name); - if (!seat) - return bus_send_error_reply(connection, message, &error, -ENOENT); + i->what = w; + i->mode = mm; + i->pid = pid; + i->uid = uid; + i->why = strdup(why); + i->who = strdup(who); - r = seat_stop_sessions(seat); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, r); + if (!i->why || !i->who) { + r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + goto fail; + } - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; + fifo_fd = inhibitor_create_fifo(i); + if (fifo_fd < 0) { + r = sd_bus_reply_method_errno(bus, message, fifo_fd, NULL); + goto fail; + } - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "SetUserLinger")) { - uint32_t uid; - struct passwd *pw; - dbus_bool_t b, interactive; - char *path; + inhibitor_start(i); - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_UINT32, &uid, - DBUS_TYPE_BOOLEAN, &b, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - errno = 0; - pw = getpwuid(uid); - if (!pw) - return bus_send_error_reply(connection, message, NULL, errno ? -errno : -EINVAL); - - r = verify_polkit(connection, message, "org.freedesktop.login1.set-user-linger", interactive, NULL, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); + return sd_bus_reply_method_return(bus, message, "h", fifo_fd); - mkdir_p_label("/var/lib/systemd", 0755); +fail: + if (i) + inhibitor_free(i); - r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); + return r; +} - path = strappend("/var/lib/systemd/linger/", pw->pw_name); - if (!path) - goto oom; +const sd_bus_vtable manager_vtable[] = { + SD_BUS_VTABLE_START(0), + + SD_BUS_PROPERTY("NAutoVTs", "u", NULL, offsetof(Manager, n_autovts), 0), + SD_BUS_PROPERTY("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), 0), + SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), 0), + SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), 0), + SD_BUS_PROPERTY("IdleHint", "b", property_get_idle_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("IdleSinceHint", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("IdleSinceHintMonotonic", "t", property_get_idle_since_hint, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("BlockInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("DelayInhibited", "s", property_get_inhibited, 0, SD_BUS_VTABLE_PROPERTY_EMITS_CHANGE), + SD_BUS_PROPERTY("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), 0), + SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), 0), + SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), 0), + SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), 0), + SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), 0), + SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), 0), + SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), 0), + SD_BUS_PROPERTY("PreparingForShutdown", "b", property_get_preparing, 0, 0), + SD_BUS_PROPERTY("PreparingForSleep", "b", property_get_preparing, 0, 0), + + SD_BUS_METHOD("GetSession", "s", "o", method_get_session, 0), + SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, 0), + SD_BUS_METHOD("GetUser", "u", "o", method_get_user, 0), + SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, 0), + SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, 0), + SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, 0), + SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, 0), + SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, 0), + SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, 0), + SD_BUS_METHOD("CreateSession", "uussssussbssa(sv)", "soshsub", method_create_session, 0), + SD_BUS_METHOD("ReleaseSession", "s", NULL, method_release_session, 0), + SD_BUS_METHOD("ActivateSession", "s", NULL, method_activate_session, 0), + SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, 0), + SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, 0), + SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, 0), + SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, 0), + SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, 0), + SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, 0), + SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, 0), + SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, 0), + SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, 0), + SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, 0), + SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, 0), + SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, 0), + SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, 0), + SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, 0), + SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, 0), + SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, 0), + SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, 0), + SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, 0), + SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, 0), + SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, 0), + SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, 0), + SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, 0), + SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, 0), + SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, 0), + + SD_BUS_SIGNAL("SessionNew", "so", 0), + SD_BUS_SIGNAL("SessionRemoved", "so", 0), + SD_BUS_SIGNAL("UserNew", "uo", 0), + SD_BUS_SIGNAL("UserRemoved", "uo", 0), + SD_BUS_SIGNAL("SeatNew", "so", 0), + SD_BUS_SIGNAL("SeatRemoved", "so", 0), + SD_BUS_SIGNAL("PrepareForShutdown", "b", 0), + SD_BUS_SIGNAL("PrepareForSleep", "b", 0), + + SD_BUS_VTABLE_END +}; - if (b) { - User *u; +int match_job_removed(sd_bus *bus, sd_bus_message *message, void *userdata) { + const char *path, *result, *unit; + Manager *m = userdata; + Session *session; + uint32_t id; + User *user; + int r; - r = touch(path); - free(path); + assert(bus); + assert(message); + assert(m); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); + r = sd_bus_message_read(message, "uoss", &id, &path, &unit, &result); + if (r < 0) { + log_error("Failed to parse JobRemoved message: %s", strerror(-r)); + return 0; + } - if (manager_add_user_by_uid(m, uid, &u) >= 0) - user_start(u); + if (m->action_job && streq(m->action_job, path)) { + log_info("Operation finished."); - } else { - User *u; + /* Tell people that they now may take a lock again */ + send_prepare_for(m, m->action_what, false); - r = unlink(path); - free(path); + free(m->action_job); + m->action_job = NULL; + m->action_unit = NULL; + m->action_what = 0; + return 0; + } - if (r < 0 && errno != ENOENT) - return bus_send_error_reply(connection, message, &error, -errno); + session = hashmap_get(m->session_units, unit); + if (session) { - u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); - if (u) - user_add_to_gc_queue(u); + if (streq_ptr(path, session->scope_job)) { + free(session->scope_job); + session->scope_job = NULL; } - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "AttachDevice")) { - const char *sysfs, *seat; - dbus_bool_t interactive; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_STRING, &seat, - DBUS_TYPE_STRING, &sysfs, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - if (!path_startswith(sysfs, "/sys") || !seat_name_is_valid(seat)) - return bus_send_error_reply(connection, message, NULL, -EINVAL); - - r = verify_polkit(connection, message, "org.freedesktop.login1.attach-device", interactive, NULL, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - r = attach_device(m, seat, sysfs); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, -EINVAL); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "FlushDevices")) { - dbus_bool_t interactive; - - if (!dbus_message_get_args( - message, - &error, - DBUS_TYPE_BOOLEAN, &interactive, - DBUS_TYPE_INVALID)) - return bus_send_error_reply(connection, message, &error, -EINVAL); - - r = verify_polkit(connection, message, "org.freedesktop.login1.flush-devices", interactive, NULL, &error); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - r = flush_devices(m); - if (r < 0) - return bus_send_error_reply(connection, message, NULL, -EINVAL); - - reply = dbus_message_new_method_return(message); - if (!reply) - goto oom; - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "PowerOff")) { - - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_POWEROFF_TARGET, - INHIBIT_SHUTDOWN, - "org.freedesktop.login1.power-off", - "org.freedesktop.login1.power-off-multiple-sessions", - "org.freedesktop.login1.power-off-ignore-inhibit", - NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Reboot")) { - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_REBOOT_TARGET, - INHIBIT_SHUTDOWN, - "org.freedesktop.login1.reboot", - "org.freedesktop.login1.reboot-multiple-sessions", - "org.freedesktop.login1.reboot-ignore-inhibit", - NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Suspend")) { - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_SUSPEND_TARGET, - INHIBIT_SLEEP, - "org.freedesktop.login1.suspend", - "org.freedesktop.login1.suspend-multiple-sessions", - "org.freedesktop.login1.suspend-ignore-inhibit", - "suspend", - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "Hibernate")) { - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_HIBERNATE_TARGET, - INHIBIT_SLEEP, - "org.freedesktop.login1.hibernate", - "org.freedesktop.login1.hibernate-multiple-sessions", - "org.freedesktop.login1.hibernate-ignore-inhibit", - "hibernate", - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "HybridSleep")) { - r = bus_manager_do_shutdown_or_sleep( - m, connection, message, - SPECIAL_HYBRID_SLEEP_TARGET, - INHIBIT_SLEEP, - "org.freedesktop.login1.hibernate", - "org.freedesktop.login1.hibernate-multiple-sessions", - "org.freedesktop.login1.hibernate-ignore-inhibit", - "hybrid-sleep", - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanPowerOff")) { - - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SHUTDOWN, - "org.freedesktop.login1.power-off", - "org.freedesktop.login1.power-off-multiple-sessions", - "org.freedesktop.login1.power-off-ignore-inhibit", - NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanReboot")) { - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SHUTDOWN, - "org.freedesktop.login1.reboot", - "org.freedesktop.login1.reboot-multiple-sessions", - "org.freedesktop.login1.reboot-ignore-inhibit", - NULL, - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanSuspend")) { - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SLEEP, - "org.freedesktop.login1.suspend", - "org.freedesktop.login1.suspend-multiple-sessions", - "org.freedesktop.login1.suspend-ignore-inhibit", - "suspend", - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHibernate")) { - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SLEEP, - "org.freedesktop.login1.hibernate", - "org.freedesktop.login1.hibernate-multiple-sessions", - "org.freedesktop.login1.hibernate-ignore-inhibit", - "hibernate", - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.login1.Manager", "CanHybridSleep")) { - r = bus_manager_can_shutdown_or_sleep( - m, connection, message, - INHIBIT_SLEEP, - "org.freedesktop.login1.hibernate", - "org.freedesktop.login1.hibernate-multiple-sessions", - "org.freedesktop.login1.hibernate-ignore-inhibit", - "hybrid-sleep", - &error, &reply); - if (r < 0) - return bus_send_error_reply(connection, message, &error, r); - - } else if (dbus_message_is_method_call(message, "org.freedesktop.DBus.Introspectable", "Introspect")) { - char *introspection = NULL; - FILE *f; - Iterator i; - Session *session; - Seat *seat; - User *user; - size_t size; - char *p; - - if (!(reply = dbus_message_new_method_return(message))) - goto oom; - - /* We roll our own introspection code here, instead of - * relying on bus_default_message_handler() because we - * need to generate our introspection string - * dynamically. */ - - if (!(f = open_memstream(&introspection, &size))) - goto oom; + if (session->started) { + if (streq(result, "done")) + session_send_create_reply(session, NULL); + else { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - fputs(INTROSPECTION_BEGIN, f); - - HASHMAP_FOREACH(seat, m->seats, i) { - p = bus_path_escape(seat->id); - - if (p) { - fprintf(f, "<node name=\"seat/%s\"/>", p); - free(p); + sd_bus_error_setf(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); + session_send_create_reply(session, &error); } - } - - HASHMAP_FOREACH(user, m->users, i) - fprintf(f, "<node name=\"user/_%llu\"/>", (unsigned long long) user->uid); + } else + session_save(session); - HASHMAP_FOREACH(session, m->sessions, i) { - p = bus_path_escape(session->id); - - if (p) { - fprintf(f, "<node name=\"session/%s\"/>", p); - free(p); - } - } + session_add_to_gc_queue(session); + } - fputs(INTROSPECTION_END, f); + user = hashmap_get(m->user_units, unit); + if (user) { - if (ferror(f)) { - fclose(f); - free(introspection); - goto oom; + if (streq_ptr(path, user->service_job)) { + free(user->service_job); + user->service_job = NULL; } - fclose(f); - - if (!introspection) - goto oom; - - if (!dbus_message_append_args(reply, DBUS_TYPE_STRING, &introspection, DBUS_TYPE_INVALID)) { - free(introspection); - goto oom; + if (streq_ptr(path, user->slice_job)) { + free(user->slice_job); + user->slice_job = NULL; } - free(introspection); - } else { - const BusBoundProperties bps[] = { - { "org.freedesktop.login1.Manager", bus_login_manager_properties, m }, - { NULL, } - }; - return bus_default_message_handler(connection, message, NULL, INTERFACES_LIST, bps); - } - - if (reply) { - if (!bus_maybe_send_reply(connection, message, reply)) - goto oom; + user_save(user); + user_add_to_gc_queue(user); } - return DBUS_HANDLER_RESULT_HANDLED; - -oom: - dbus_error_free(&error); - - return DBUS_HANDLER_RESULT_NEED_MEMORY; + return 0; } -const DBusObjectPathVTable bus_manager_vtable = { - .message_function = manager_message_handler -}; - -DBusHandlerResult bus_message_filter( - DBusConnection *connection, - DBusMessage *message, - void *userdata) { - +int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata) { + const char *path, *unit; Manager *m = userdata; - DBusError error; + Session *session; + User *user; + int r; - assert(m); - assert(connection); + assert(bus); assert(message); + assert(m); - dbus_error_init(&error); - - log_debug("Got message: %s %s %s", strna(dbus_message_get_sender(message)), strna(dbus_message_get_interface(message)), strna(dbus_message_get_member(message))); - - if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "JobRemoved")) { - const char *path, *result, *unit; - uint32_t id; - - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_UINT32, &id, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_STRING, &unit, - DBUS_TYPE_STRING, &result, - DBUS_TYPE_INVALID)) { - log_error("Failed to parse JobRemoved message: %s", bus_error_message(&error)); - goto finish; - } - - if (m->action_job && streq(m->action_job, path)) { - log_info("Operation finished."); - - /* Tell people that they now may take a lock again */ - send_prepare_for(m, m->action_what, false); - - free(m->action_job); - m->action_job = NULL; - m->action_unit = NULL; - m->action_what = 0; + r = sd_bus_message_read(message, "so", &unit, &path); + if (r < 0) { + log_error("Failed to parse UnitRemoved message: %s", strerror(-r)); + return 0; + } - } else { - Session *s; - User *u; - - s = hashmap_get(m->session_units, unit); - if (s) { - if (streq_ptr(path, s->scope_job)) { - free(s->scope_job); - s->scope_job = NULL; - - if (s->started) { - if (streq(result, "done")) - session_send_create_reply(s, NULL); - else { - dbus_set_error(&error, BUS_ERROR_JOB_FAILED, "Start job for unit %s failed with '%s'", unit, result); - session_send_create_reply(s, &error); - } - } else - session_save(s); - } - - session_add_to_gc_queue(s); - } + session = hashmap_get(m->session_units, unit); + if (session) + session_add_to_gc_queue(session); - u = hashmap_get(m->user_units, unit); - if (u) { - if (streq_ptr(path, u->service_job)) { - free(u->service_job); - u->service_job = NULL; - } + user = hashmap_get(m->user_units, unit); + if (user) + user_add_to_gc_queue(user); - if (streq_ptr(path, u->slice_job)) { - free(u->slice_job); - u->slice_job = NULL; - } + return 0; +} - user_save(u); - user_add_to_gc_queue(u); - } - } +int match_properties_changed(sd_bus *bus, sd_bus_message *message, void *userdata) { + _cleanup_free_ char *unit = NULL; + Manager *m = userdata; + const char *path; + Session *session; + User *user; - } else if (dbus_message_is_signal(message, "org.freedesktop.DBus.Properties", "PropertiesChanged")) { + assert(bus); + assert(message); + assert(m); - _cleanup_free_ char *unit = NULL; - const char *path; + path = sd_bus_message_get_path(message); + if (!path) + return 0; - path = dbus_message_get_path(message); - if (!path) - goto finish; + unit_name_from_dbus_path(path, &unit); + if (!unit) + return 0; - unit_name_from_dbus_path(path, &unit); - if (unit) { - Session *s; - User *u; + session = hashmap_get(m->session_units, unit); + if (session) + session_add_to_gc_queue(session); - s = hashmap_get(m->session_units, unit); - if (s) - session_add_to_gc_queue(s); + user = hashmap_get(m->user_units, unit); + if (user) + user_add_to_gc_queue(user); - u = hashmap_get(m->user_units, unit); - if (u) - user_add_to_gc_queue(u); - } + return 0; +} - } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "UnitRemoved")) { +int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata) { + Manager *m = userdata; + Session *session; + Iterator i; + int b, r; - const char *path, *unit; - Session *session; - User *user; + assert(bus); - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &unit, - DBUS_TYPE_OBJECT_PATH, &path, - DBUS_TYPE_INVALID)) { - log_error("Failed to parse UnitRemoved message: %s", bus_error_message(&error)); - goto finish; - } + r = sd_bus_message_read(message, "b", &b); + if (r < 0) { + log_error("Failed to parse Reloading message: %s", strerror(-r)); + return 0; + } - session = hashmap_get(m->session_units, unit); - if (session) - session_add_to_gc_queue(session); + if (b) + return 0; - user = hashmap_get(m->user_units, unit); - if (user) - user_add_to_gc_queue(user); + /* systemd finished reloading, let's recheck all our sessions */ + log_debug("System manager has been reloaded, rechecking sessions..."); - } else if (dbus_message_is_signal(message, "org.freedesktop.systemd1.Manager", "Reloading")) { - dbus_bool_t b; + HASHMAP_FOREACH(session, m->sessions, i) + session_add_to_gc_queue(session); - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_BOOLEAN, &b, - DBUS_TYPE_INVALID)) { - log_error("Failed to parse Reloading message: %s", bus_error_message(&error)); - goto finish; - } + return 0; +} - /* systemd finished reloading, let's recheck all our sessions */ - if (!b) { - Session *session; - Iterator i; +int match_name_owner_changed(sd_bus *bus, sd_bus_message *message, void *userdata) { + const char *name, *old, *new; + Manager *m = userdata; + Session *session; + Iterator i; + int r; - log_debug("System manager has been reloaded, rechecking sessions..."); - HASHMAP_FOREACH(session, m->sessions, i) - session_add_to_gc_queue(session); - } + char *key; - } else if (dbus_message_is_signal(message, DBUS_INTERFACE_DBUS, "NameOwnerChanged")) { - const char *name, *old, *new; - char *key; + r = sd_bus_message_read(message, "sss", &name, &old, &new); + if (r < 0) { + log_error("Failed to parse NameOwnerChanged message: %s", strerror(-r)); + return 0; + } - if (!dbus_message_get_args(message, &error, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &old, - DBUS_TYPE_STRING, &new, - DBUS_TYPE_INVALID)) { - log_error("Failed to parse NameOwnerChanged message: %s", bus_error_message(&error)); - goto finish; - } + if (isempty(old) || !isempty(new)) + return 0; - /* drop all controllers owned by this name */ - if (*old && !*new && (key = hashmap_remove(m->busnames, old))) { - Session *session; - Iterator i; + key = set_remove(m->busnames, (char*) old); + if (!key) + return 0; - free(key); + /* Drop all controllers owned by this name */ - HASHMAP_FOREACH(session, m->sessions, i) - if (session_is_controller(session, old)) - session_drop_controller(session); - } - } + free(key); -finish: - dbus_error_free(&error); + HASHMAP_FOREACH(session, m->sessions, i) + if (session_is_controller(session, old)) + session_drop_controller(session); - return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; + return 0; } -int manager_send_changed(Manager *manager, const char *properties) { - _cleanup_dbus_message_unref_ DBusMessage *m = NULL; +int manager_send_changed(Manager *manager, const char *property, ...) { + char **l; assert(manager); - m = bus_properties_changed_new("/org/freedesktop/login1", - "org.freedesktop.login1.Manager", - properties); - if (!m) - return -ENOMEM; - - if (!dbus_connection_send(manager->bus, m, NULL)) - return -ENOMEM; + l = strv_from_stdarg_alloca(property); - return 0; + return sd_bus_emit_properties_changed_strv( + manager->bus, + "/org/freedesktop/login1", + "org.freedesktop.login1.Manager", + l); } int manager_dispatch_delayed(Manager *manager) { - DBusError error; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; int r; assert(manager); @@ -2528,11 +2105,9 @@ int manager_dispatch_delayed(Manager *manager) { } /* Actually do the operation */ - dbus_error_init(&error); r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); if (r < 0) { - log_warning("Failed to send delayed message: %s", bus_error(&error, r)); - dbus_error_free(&error); + log_warning("Failed to send delayed message: %s", bus_error_message(&error, r)); manager->action_unit = NULL; manager->action_what = 0; @@ -2550,87 +2125,56 @@ int manager_start_scope( const char *description, const char *after, const char *kill_mode, - DBusError *error, + sd_bus_error *error, char **job) { - const char *timeout_stop_property = "TimeoutStopUSec", *send_sighup_property = "SendSIGHUP", *pids_property = "PIDs"; - _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL; - DBusMessageIter iter, sub, sub2, sub3, sub4; - uint64_t timeout = 500 * USEC_PER_MSEC; - dbus_bool_t send_sighup = true; - const char *fail = "fail"; - uint32_t u; + _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; + int r; assert(manager); assert(scope); assert(pid > 1); - if (!slice) - slice = ""; - - m = dbus_message_new_method_call( + r = sd_bus_message_new_method_call( + manager->bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", - "StartTransientUnit"); - if (!m) - return log_oom(); + "StartTransientUnit", + &m); + if (r < 0) + return r; - dbus_message_iter_init_append(m, &iter); + r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); + if (r < 0) + return r; - if (!dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &scope) || - !dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &fail) || - !dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY, "(sv)", &sub)) - return log_oom(); + r = sd_bus_message_open_container(m, 'a', "(sv)"); + if (r < 0) + return r; if (!isempty(slice)) { - const char *slice_property = "Slice"; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &slice_property) || - !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) || - !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &slice) || - !dbus_message_iter_close_container(&sub2, &sub3) || - !dbus_message_iter_close_container(&sub, &sub2)) - return log_oom(); + r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); + if (r < 0) + return r; } if (!isempty(description)) { - const char *description_property = "Description"; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &description_property) || - !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) || - !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &description) || - !dbus_message_iter_close_container(&sub2, &sub3) || - !dbus_message_iter_close_container(&sub, &sub2)) - return log_oom(); + r = sd_bus_message_append(m, "(sv)", "Description", "s", description); + if (r < 0) + return r; } - if (!isempty(after)) { - const char *after_property = "After"; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &after_property) || - !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "as", &sub3) || - !dbus_message_iter_open_container(&sub3, DBUS_TYPE_ARRAY, "s", &sub4) || - !dbus_message_iter_append_basic(&sub4, DBUS_TYPE_STRING, &after) || - !dbus_message_iter_close_container(&sub3, &sub4) || - !dbus_message_iter_close_container(&sub2, &sub3) || - !dbus_message_iter_close_container(&sub, &sub2)) - return log_oom(); + if (!isempty(description)) { + r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); + if (r < 0) + return r; } if (!isempty(kill_mode)) { - const char *kill_mode_property = "KillMode"; - - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &kill_mode_property) || - !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "s", &sub3) || - !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_STRING, &kill_mode) || - !dbus_message_iter_close_container(&sub2, &sub3) || - !dbus_message_iter_close_container(&sub, &sub2)) - return log_oom(); + r = sd_bus_message_append(m, "(sv)", "KillMode", "s", kill_mode); + if (r < 0) + return r; } /* cgroup empty notification is not available in containers @@ -2638,48 +2182,35 @@ int manager_start_scope( * stop timeout for sessions, so that we don't wait * forever. */ - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &timeout_stop_property) || - !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "t", &sub3) || - !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_UINT64, &timeout) || - !dbus_message_iter_close_container(&sub2, &sub3) || - !dbus_message_iter_close_container(&sub, &sub2)) - return log_oom(); + r = sd_bus_message_append(m, "(sv)", "TimeoutStopUSec", "t", 500 * USEC_PER_MSEC); + if (r < 0) + return r; /* Make sure that the session shells are terminated with * SIGHUP since bash and friends tend to ignore SIGTERM */ - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &send_sighup_property) || - !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "b", &sub3) || - !dbus_message_iter_append_basic(&sub3, DBUS_TYPE_BOOLEAN, &send_sighup) || - !dbus_message_iter_close_container(&sub2, &sub3) || - !dbus_message_iter_close_container(&sub, &sub2)) - return log_oom(); - - u = pid; - if (!dbus_message_iter_open_container(&sub, DBUS_TYPE_STRUCT, NULL, &sub2) || - !dbus_message_iter_append_basic(&sub2, DBUS_TYPE_STRING, &pids_property) || - !dbus_message_iter_open_container(&sub2, DBUS_TYPE_VARIANT, "au", &sub3) || - !dbus_message_iter_open_container(&sub3, DBUS_TYPE_ARRAY, "u", &sub4) || - !dbus_message_iter_append_basic(&sub4, DBUS_TYPE_UINT32, &u) || - !dbus_message_iter_close_container(&sub3, &sub4) || - !dbus_message_iter_close_container(&sub2, &sub3) || - !dbus_message_iter_close_container(&sub, &sub2)) - return log_oom(); - - if (!dbus_message_iter_close_container(&iter, &sub)) - return log_oom(); - - reply = dbus_connection_send_with_reply_and_block(manager->bus, m, -1, error); - if (!reply) - return -EIO; + r = sd_bus_message_append(m, "(sv)", "SendSIGHUP", "b", true); + if (r < 0) + return r; + + r = sd_bus_message_append(m, "(sv)", "PIDs", "au", 1, pid); + if (r < 0) + return r; + + r = sd_bus_message_close_container(m); + if (r < 0) + return r; + + r = sd_bus_send_with_reply_and_block(manager->bus, m, 0, error, &reply); + if (r < 0) + return r; if (job) { const char *j; char *copy; - if (!dbus_message_get_args(reply, error, DBUS_TYPE_OBJECT_PATH, &j, DBUS_TYPE_INVALID)) - return -EIO; + r = sd_bus_message_read(reply, "o", &j); + if (r < 0) + return r; copy = strdup(j); if (!copy) @@ -2688,43 +2219,35 @@ int manager_start_scope( *job = copy; } - return 0; + return 1; } -int manager_start_unit(Manager *manager, const char *unit, DBusError *error, char **job) { - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - const char *fail = "fail"; +int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; int r; assert(manager); assert(unit); - r = bus_method_call_with_reply( + r = sd_bus_call_method( manager->bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StartUnit", - &reply, error, - DBUS_TYPE_STRING, &unit, - DBUS_TYPE_STRING, &fail, - DBUS_TYPE_INVALID); - if (r < 0) { - log_error("Failed to start unit %s: %s", unit, bus_error(error, r)); + &reply, + "ss", unit, "fail"); + if (r < 0) return r; - } if (job) { const char *j; char *copy; - if (!dbus_message_get_args(reply, error, - DBUS_TYPE_OBJECT_PATH, &j, - DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply."); - return -EIO; - } + r = sd_bus_message_read(reply, "o", &j); + if (r < 0) + return r; copy = strdup(j); if (!copy) @@ -2733,40 +2256,36 @@ int manager_start_unit(Manager *manager, const char *unit, DBusError *error, cha *job = copy; } - return 0; + return 1; } -int manager_stop_unit(Manager *manager, const char *unit, DBusError *error, char **job) { - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - const char *fail = "fail"; +int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job) { + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; int r; assert(manager); assert(unit); - r = bus_method_call_with_reply( + r = sd_bus_call_method( manager->bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "StopUnit", - &reply, error, - DBUS_TYPE_STRING, &unit, - DBUS_TYPE_STRING, &fail, - DBUS_TYPE_INVALID); + &reply, + "ss", unit, "fail"); if (r < 0) { - if (dbus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || - dbus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { + if (sd_bus_error_has_name(error, BUS_ERROR_NO_SUCH_UNIT) || + sd_bus_error_has_name(error, BUS_ERROR_LOAD_FAILED)) { if (job) *job = NULL; - dbus_error_free(error); + sd_bus_error_free(error); return 0; } - log_error("Failed to stop unit %s: %s", unit, bus_error(error, r)); return r; } @@ -2774,12 +2293,9 @@ int manager_stop_unit(Manager *manager, const char *unit, DBusError *error, char const char *j; char *copy; - if (!dbus_message_get_args(reply, error, - DBUS_TYPE_OBJECT_PATH, &j, - DBUS_TYPE_INVALID)) { - log_error("Failed to parse reply."); - return -EIO; - } + r = sd_bus_message_read(reply, "o", &j); + if (r < 0) + return r; copy = strdup(j); if (!copy) @@ -2791,106 +2307,97 @@ int manager_stop_unit(Manager *manager, const char *unit, DBusError *error, char return 1; } -int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, DBusError *error) { - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; - const char *w; - int r; - +int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { assert(manager); assert(unit); - w = who == KILL_LEADER ? "process" : "cgroup"; - assert_cc(sizeof(signo) == sizeof(int32_t)); - - r = bus_method_call_with_reply( + return sd_bus_call_method( manager->bus, "org.freedesktop.systemd1", "/org/freedesktop/systemd1", "org.freedesktop.systemd1.Manager", "KillUnit", - &reply, error, - DBUS_TYPE_STRING, &unit, - DBUS_TYPE_STRING, &w, - DBUS_TYPE_INT32, &signo, - DBUS_TYPE_INVALID); - if (r < 0) { - log_error("Failed to stop unit %s: %s", unit, bus_error(error, r)); - return r; - } - - return 0; + NULL, + "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); } int manager_unit_is_active(Manager *manager, const char *unit) { - - const char *interface = "org.freedesktop.systemd1.Unit"; - const char *property = "ActiveState"; - _cleanup_dbus_message_unref_ DBusMessage *reply = NULL; + _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; - DBusMessageIter iter, sub; const char *state; - DBusError error; int r; assert(manager); assert(unit); - dbus_error_init(&error); - path = unit_dbus_path_from_name(unit); if (!path) return -ENOMEM; - r = bus_method_call_with_reply( + r = sd_bus_get_property( manager->bus, "org.freedesktop.systemd1", path, - "org.freedesktop.DBus.Properties", - "Get", - &reply, + "org.freedesktop.systemd1.Unit", + "ActiveState", &error, - DBUS_TYPE_STRING, &interface, - DBUS_TYPE_STRING, &property, - DBUS_TYPE_INVALID); + &reply, + "s"); if (r < 0) { - if (dbus_error_has_name(&error, DBUS_ERROR_NO_REPLY) || - dbus_error_has_name(&error, DBUS_ERROR_DISCONNECTED)) { - /* systemd might have droppped off - * momentarily, let's not make this an - * error */ - - dbus_error_free(&error); + /* systemd might have droppped off momentarily, let's + * not make this an error */ + if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || + sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) return true; - } - - if (dbus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || - dbus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) { - /* If the unit is already unloaded then it's - * not active */ - dbus_error_free(&error); + /* If the unit is already unloaded then it's not + * active */ + if (sd_bus_error_has_name(&error, BUS_ERROR_NO_SUCH_UNIT) || + sd_bus_error_has_name(&error, BUS_ERROR_LOAD_FAILED)) return false; - } - log_error("Failed to query ActiveState: %s", bus_error(&error, r)); - dbus_error_free(&error); return r; } - if (!dbus_message_iter_init(reply, &iter) || - dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_VARIANT) { - log_error("Failed to parse reply."); + r = sd_bus_message_read(reply, "s", &state); + if (r < 0) return -EINVAL; - } - dbus_message_iter_recurse(&iter, &sub); - if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_STRING) { - log_error("Failed to parse reply."); - return -EINVAL; + return !streq(state, "inactive") && !streq(state, "failed"); +} + +int manager_job_is_active(Manager *manager, const char *path) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; + int r; + + assert(manager); + assert(path); + + r = sd_bus_get_property( + manager->bus, + "org.freedesktop.systemd1", + path, + "org.freedesktop.systemd1.Job", + "State", + &error, + &reply, + "s"); + if (r < 0) { + if (sd_bus_error_has_name(&error, SD_BUS_ERROR_NO_REPLY) || + sd_bus_error_has_name(&error, SD_BUS_ERROR_DISCONNECTED)) + return true; + + if (sd_bus_error_has_name(&error, SD_BUS_ERROR_UNKNOWN_OBJECT)) + return false; + + return r; } - dbus_message_iter_get_basic(&sub, &state); + /* We don't actually care about the state really. The fact + * that we could read the job state is enough for us */ - return !streq(state, "inactive") && !streq(state, "failed"); + return true; } |