X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Flogin%2Flogind-dbus.c;h=5e6952de0593add01e1c4296654878c0e42f7b5c;hp=64716789e34d7a5c3a600a12519f05600d4ad3e9;hb=81d08ba2e8e3cc1e59ab057953f18119804b9ff9;hpb=cc3773810855956bad92337cee8fa193584ab62e diff --git a/src/login/logind-dbus.c b/src/login/logind-dbus.c index 64716789e..5e6952de0 100644 --- a/src/login/logind-dbus.c +++ b/src/login/logind-dbus.c @@ -24,7 +24,6 @@ #include #include -#include "sd-id128.h" #include "sd-messages.h" #include "strv.h" #include "mkdir.h" @@ -32,23 +31,108 @@ #include "special.h" #include "sleep-config.h" #include "fileio-label.h" -#include "label.h" -#include "utf8.h" #include "unit-name.h" -#include "virt.h" #include "audit.h" #include "bus-util.h" #include "bus-error.h" +#include "bus-common-errors.h" +#include "udev-util.h" +#include "selinux-util.h" #include "logind.h" +int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret) { + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + Session *session; + int r; + + assert(m); + assert(message); + assert(ret); + + if (isempty(name)) { + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_SESSION|SD_BUS_CREDS_AUGMENT, &creds); + if (r < 0) + return r; + + r = sd_bus_creds_get_session(creds, &name); + if (r < 0) + return r; + } + + session = hashmap_get(m->sessions, name); + if (!session) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SESSION, "No session '%s' known", name); + + *ret = session; + return 0; +} + +int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret) { + User *user; + int r; + + assert(m); + assert(message); + assert(ret); + + if (uid == UID_INVALID) { + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + + /* Note that we get the owner UID of the session, not the actual client UID here! */ + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); + if (r < 0) + return r; + + r = sd_bus_creds_get_owner_uid(creds, &uid); + if (r < 0) + return r; + } + + user = hashmap_get(m->users, UID_TO_PTR(uid)); + if (!user) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_USER, "No user "UID_FMT" known or logged in", uid); + + *ret = user; + return 0; +} + +int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret) { + Seat *seat; + int r; + + assert(m); + assert(message); + assert(ret); + + if (isempty(name)) { + Session *session; + + r = manager_get_session_from_creds(m, message, NULL, error, &session); + if (r < 0) + return r; + + seat = session->seat; + + if (!seat) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "Session has no seat."); + } else { + seat = hashmap_get(m->seats, name); + if (!seat) + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", name); + } + + *ret = seat; + return 0; +} + 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) { + void *userdata, + sd_bus_error *error) { Manager *m = userdata; @@ -65,8 +149,8 @@ static int property_get_idle_since_hint( const char *interface, const char *property, sd_bus_message *reply, - sd_bus_error *error, - void *userdata) { + void *userdata, + sd_bus_error *error) { Manager *m = userdata; dual_timestamp t; @@ -86,8 +170,8 @@ static int property_get_inhibited( const char *interface, const char *property, sd_bus_message *reply, - sd_bus_error *error, - void *userdata) { + void *userdata, + sd_bus_error *error) { Manager *m = userdata; InhibitWhat w; @@ -107,8 +191,8 @@ static int property_get_preparing( const char *interface, const char *property, sd_bus_message *reply, - sd_bus_error *error, - void *userdata) { + void *userdata, + sd_bus_error *error) { Manager *m = userdata; bool b; @@ -127,7 +211,7 @@ static int property_get_preparing( static BUS_DEFINE_PROPERTY_GET_ENUM(property_get_handle_action, handle_action, HandleAction); -static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Manager *m = userdata; const char *name; @@ -140,48 +224,57 @@ static int method_get_session(sd_bus *bus, sd_bus_message *message, void *userda r = sd_bus_message_read(message, "s", &name); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - 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 = manager_get_session_from_creds(m, message, name, error, &session); + if (r < 0) + return r; p = session_bus_path(session); if (!p) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + return -ENOMEM; - return sd_bus_reply_method_return(bus, message, "o", p); + return sd_bus_reply_method_return(message, "o", p); } -static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_get_session_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Session *session = NULL; Manager *m = userdata; - uint32_t pid; + pid_t pid; int r; assert(bus); assert(message); assert(m); + assert_cc(sizeof(pid_t) == sizeof(uint32_t)); + r = sd_bus_message_read(message, "u", &pid); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - 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); + if (pid <= 0) { + r = manager_get_session_from_creds(m, message, NULL, error, &session); + if (r < 0) + return r; + } else { + r = manager_get_session_by_pid(m, pid, &session); + if (r < 0) + return r; + + if (!session) + return sd_bus_error_setf(error, BUS_ERROR_NO_SESSION_FOR_PID, "PID "PID_FMT" does not belong to any known session", pid); + } p = session_bus_path(session); if (!p) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + return -ENOMEM; - return sd_bus_reply_method_return(bus, message, "o", p); + return sd_bus_reply_method_return(message, "o", p); } -static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Manager *m = userdata; uint32_t uid; @@ -194,48 +287,56 @@ static int method_get_user(sd_bus *bus, sd_bus_message *message, void *userdata) r = sd_bus_message_read(message, "u", &uid); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - 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 = manager_get_user_from_creds(m, message, uid, error, &user); + if (r < 0) + return r; p = user_bus_path(user); if (!p) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + return -ENOMEM; - return sd_bus_reply_method_return(bus, message, "o", p); + return sd_bus_reply_method_return(message, "o", p); } -static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_get_user_by_pid(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Manager *m = userdata; User *user = NULL; - uint32_t pid; + pid_t pid; int r; assert(bus); assert(message); assert(m); + assert_cc(sizeof(pid_t) == sizeof(uint32_t)); + r = sd_bus_message_read(message, "u", &pid); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - 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); + if (pid <= 0) { + r = manager_get_user_from_creds(m, message, UID_INVALID, error, &user); + if (r < 0) + return r; + } else { + r = manager_get_user_by_pid(m, pid, &user); + if (r < 0) + return r; + if (!user) + return sd_bus_error_setf(error, BUS_ERROR_NO_USER_FOR_PID, "PID "PID_FMT" does not belong to any known or logged in user", pid); + } p = user_bus_path(user); if (!p) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + return -ENOMEM; - return sd_bus_reply_method_return(bus, message, "o", p); + return sd_bus_reply_method_return(message, "o", p); } -static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *p = NULL; Manager *m = userdata; const char *name; @@ -248,20 +349,20 @@ static int method_get_seat(sd_bus *bus, sd_bus_message *message, void *userdata) r = sd_bus_message_read(message, "s", &name); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - 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 = manager_get_seat_from_creds(m, message, name, error, &seat); + if (r < 0) + return r; p = seat_bus_path(seat); if (!p) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + return -ENOMEM; - return sd_bus_reply_method_return(bus, message, "o", p); + return sd_bus_reply_method_return(message, "o", p); } -static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; Manager *m = userdata; Session *session; @@ -272,20 +373,20 @@ static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *user assert(message); assert(m); - r = sd_bus_message_new_method_return(bus, message, &reply); + r = sd_bus_message_new_method_return(message, &reply); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; r = sd_bus_message_open_container(reply, 'a', "(susso)"); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; 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); + return -ENOMEM; r = sd_bus_message_append(reply, "(susso)", session->id, @@ -294,17 +395,17 @@ static int method_list_sessions(sd_bus *bus, sd_bus_message *message, void *user session->seat ? session->seat->id : "", p); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; } r = sd_bus_message_close_container(reply); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; return sd_bus_send(bus, reply, NULL); } -static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; Manager *m = userdata; User *user; @@ -315,37 +416,37 @@ static int method_list_users(sd_bus *bus, sd_bus_message *message, void *userdat assert(message); assert(m); - r = sd_bus_message_new_method_return(bus, message, &reply); + r = sd_bus_message_new_method_return(message, &reply); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; r = sd_bus_message_open_container(reply, 'a', "(uso)"); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; 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); + return -ENOMEM; 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); + return r; } r = sd_bus_message_close_container(reply); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; return sd_bus_send(bus, reply, NULL); } -static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; Manager *m = userdata; Seat *seat; @@ -356,51 +457,51 @@ static int method_list_seats(sd_bus *bus, sd_bus_message *message, void *userdat assert(message); assert(m); - r = sd_bus_message_new_method_return(bus, message, &reply); + r = sd_bus_message_new_method_return(message, &reply); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; r = sd_bus_message_open_container(reply, 'a', "(so)"); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; 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); + return -ENOMEM; - r = sd_bus_message_append(reply, "so", seat->id, p); + r = sd_bus_message_append(reply, "(so)", seat->id, p); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; } r = sd_bus_message_close_container(reply); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; return sd_bus_send(bus, reply, NULL); } -static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _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); + r = sd_bus_message_new_method_return(message, &reply); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; r = sd_bus_message_open_container(reply, 'a', "(ssssuu)"); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; HASHMAP_FOREACH(inhibitor, m->inhibitors, i) { - r = sd_bus_message_append(reply, "ssssuu", + r = sd_bus_message_append(reply, "(ssssuu)", strempty(inhibit_what_to_string(inhibitor->what)), strempty(inhibitor->who), strempty(inhibitor->why), @@ -408,18 +509,18 @@ static int method_list_inhibitors(sd_bus *bus, sd_bus_message *message, void *us (uint32_t) inhibitor->uid, (uint32_t) inhibitor->pid); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; } r = sd_bus_message_close_container(reply); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; 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; +static int method_create_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { + const char *service, *type, *class, *cseat, *tty, *display, *remote_user, *remote_host, *desktop; uint32_t uid, leader, audit_id = 0; _cleanup_free_ char *id = NULL; Session *session = NULL; @@ -436,19 +537,19 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use 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); + r = sd_bus_message_read(message, "uusssssussbss", &uid, &leader, &service, &type, &class, &desktop, &cseat, &vtnr, &tty, &display, &remote, &remote_user, &remote_host); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; if (leader == 1) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid leader PID"); if (isempty(type)) t = _SESSION_TYPE_INVALID; else { t = session_type_from_string(type); if (t < 0) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session type %s", type); } if (isempty(class)) @@ -456,7 +557,14 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use else { c = session_class_from_string(class); if (c < 0) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid session class %s", class); + } + + if (isempty(desktop)) + desktop = NULL; + else { + if (!string_is_safe(desktop)) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid desktop string %s", desktop); } if (isempty(cseat)) @@ -464,7 +572,7 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use else { seat = hashmap_get(m->seats, cseat); if (!seat) - return sd_bus_reply_method_errorf(bus, message, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", seat); + return sd_bus_error_setf(error, BUS_ERROR_NO_SUCH_SEAT, "No seat '%s' known", cseat); } if (tty_is_vc(tty)) { @@ -473,41 +581,41 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (!seat) seat = m->seat0; else if (seat != m->seat0) - 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); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "TTY %s is virtual console but seat %s is not seat0", tty, seat->id); v = vtnr_from_tty(tty); if (v <= 0) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Cannot determine VT number from virtual console TTY %s", tty); - if (vtnr <= 0) + if (!vtnr) vtnr = (uint32_t) v; else if (vtnr != (uint32_t) v) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Specified TTY and VT number do not match"); + return sd_bus_error_setf(error, 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 sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but seat is not seat0"); if (vtnr != 0) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Console TTY specified but VT number is not 0"); + return sd_bus_error_setf(error, 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 sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); + if (!vtnr || vtnr > 63) + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "VT number out of range"); } else { if (vtnr != 0) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Seat has no VTs but VT number not 0"); } } r = sd_bus_message_enter_container(message, 'a', "(sv)"); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; if (t == _SESSION_TYPE_INVALID) { if (!isempty(display)) @@ -519,18 +627,22 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use } if (c == _SESSION_CLASS_INVALID) { - if (!isempty(display) || !isempty(tty)) - c = SESSION_USER; - else + if (t == SESSION_UNSPECIFIED) c = SESSION_BACKGROUND; + else + c = SESSION_USER; } if (leader <= 0) { - assert_cc(sizeof(uint32_t) == sizeof(pid_t)); + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_PID, &creds); + if (r < 0) + return r; - r = sd_bus_get_owner_pid(bus, sd_bus_message_get_sender(message), (pid_t*) &leader); + r = sd_bus_creds_get_pid(creds, (pid_t*) &leader); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; } manager_get_session_by_pid(m, leader, &session); @@ -544,18 +656,30 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use fifo_fd = session_create_fifo(session); if (fifo_fd < 0) - return sd_bus_reply_method_errno(bus, message, fifo_fd, NULL); + return fifo_fd; path = session_bus_path(session); if (!path) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + return -ENOMEM; + + log_debug("Sending reply about an existing session: " + "id=%s object_path=%s uid=%u runtime_path=%s " + "session_fd=%d seat=%s vtnr=%u", + session->id, + path, + (uint32_t) session->user->uid, + session->user->runtime_path, + fifo_fd, + session->seat ? session->seat->id : "", + (uint32_t) session->vtnr); return sd_bus_reply_method_return( - bus, message, "soshsub", + message, "soshusub", session->id, path, session->user->runtime_path, fifo_fd, + (uint32_t) session->user->uid, session->seat ? session->seat->id : "", (uint32_t) session->vtnr, true); @@ -565,8 +689,8 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (audit_id > 0) { /* Keep our session IDs and the audit session IDs in sync */ - if (asprintf(&id, "%lu", (unsigned long) audit_id) < 0) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + if (asprintf(&id, "%"PRIu32, audit_id) < 0) + return -ENOMEM; /* Wut? There's already a session by this name and we * didn't find it above? Weird, then let's not trust @@ -587,22 +711,18 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use id = NULL; if (asprintf(&id, "c%lu", ++m->session_counter) < 0) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + return -ENOMEM; } while (hashmap_get(m->sessions, id)); } r = manager_add_user_by_uid(m, uid, &user); - if (r < 0) { - r = sd_bus_reply_method_errno(bus, message, r, NULL); + if (r < 0) goto fail; - } r = manager_add_session(m, id, &session); - if (r < 0) { - r = sd_bus_reply_method_errno(bus, message, r, NULL); + if (r < 0) goto fail; - } session_set_user(session, user); @@ -616,7 +736,7 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (!isempty(tty)) { session->tty = strdup(tty); if (!session->tty) { - r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + r = -ENOMEM; goto fail; } } @@ -624,7 +744,7 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (!isempty(display)) { session->display = strdup(display); if (!session->display) { - r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + r = -ENOMEM; goto fail; } } @@ -632,7 +752,7 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (!isempty(remote_user)) { session->remote_user = strdup(remote_user); if (!session->remote_user) { - r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + r = -ENOMEM; goto fail; } } @@ -640,7 +760,7 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (!isempty(remote_host)) { session->remote_host = strdup(remote_host); if (!session->remote_host) { - r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + r = -ENOMEM; goto fail; } } @@ -648,30 +768,40 @@ static int method_create_session(sd_bus *bus, sd_bus_message *message, void *use if (!isempty(service)) { session->service = strdup(service); if (!session->service) { - r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + r = -ENOMEM; + goto fail; + } + } + + if (!isempty(desktop)) { + session->desktop = strdup(desktop); + if (!session->desktop) { + r = -ENOMEM; goto fail; } } if (seat) { r = seat_attach_session(seat, session); - if (r < 0) { - r = sd_bus_reply_method_errno(bus, message, r, NULL); + if (r < 0) goto fail; - } } r = session_start(session); - if (r < 0) { - r = sd_bus_reply_method_errno(bus, message, r, NULL); + if (r < 0) goto fail; - } 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().*/ + /* Here upstream systemd starts cgroups and the user systemd, + and arranges to reply asynchronously. We reply + directly. */ + + r = session_send_create_reply(session, NULL); + if (r < 0) + goto fail; + + session_save(session); return 1; @@ -685,7 +815,7 @@ fail: return r; } -static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_release_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; Session *session; const char *name; @@ -697,26 +827,22 @@ static int method_release_session(sd_bus *bus, sd_bus_message *message, void *us r = sd_bus_message_read(message, "s", &name); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - 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); + r = manager_get_session_from_creds(m, message, name, error, &session); + if (r < 0) + return r; - return sd_bus_reply_method_return(bus, message, NULL); + r = session_release(session); + if (r < 0) + return r; + + session_add_to_gc_queue(session); + + return sd_bus_reply_method_return(message, NULL); } -static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; Session *session; const char *name; @@ -728,20 +854,16 @@ static int method_activate_session(sd_bus *bus, sd_bus_message *message, void *u 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); + return r; - r = session_activate(session); + r = manager_get_session_from_creds(m, message, name, error, &session); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return bus_session_method_activate(bus, message, session, error); } -static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *session_name, *seat_name; Manager *m = userdata; Session *session; @@ -757,27 +879,27 @@ static int method_activate_session_on_seat(sd_bus *bus, sd_bus_message *message, r = sd_bus_message_read(message, "ss", &session_name, &seat_name); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - 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); + r = manager_get_session_from_creds(m, message, session_name, error, &session); + if (r < 0) + return r; - 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); + r = manager_get_seat_from_creds(m, message, seat_name, error, &seat); + if (r < 0) + return r; 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); + return sd_bus_error_setf(error, BUS_ERROR_SESSION_NOT_ON_SEAT, "Session %s not on seat %s", session_name, seat_name); r = session_activate(session); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return sd_bus_reply_method_return(message, NULL); } -static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; Session *session; const char *name; @@ -789,20 +911,16 @@ static int method_lock_session(sd_bus *bus, sd_bus_message *message, void *userd 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); + return r; - r = session_send_lock(session, streq(sd_bus_message_get_member(message), "LockSession")); + r = manager_get_session_from_creds(m, message, name, error, &session); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return bus_session_method_lock(bus, message, session, error); } -static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int r; @@ -810,55 +928,50 @@ static int method_lock_sessions(sd_bus *bus, sd_bus_message *message, void *user assert(message); assert(m); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.lock-sessions", + false, + UID_INVALID, + &m->polkit_registry, + error); + if (r < 0) + return r; + if (r == 0) + return 1; /* Will call us back */ + 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); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return sd_bus_reply_method_return(message, NULL); } -static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata) { - const char *name, *swho; +static int method_kill_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { + const char *name; 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); + r = sd_bus_message_read(message, "s", &name); 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); - } - - if (signo <= 0 || signo >= _NSIG) - return sd_bus_reply_method_errorf(bus, message, SD_BUS_ERROR_INVALID_ARGS, "Invalid signal %i", signo); - - 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 r; - r = session_kill(session, who, signo); + r = manager_get_session_from_creds(m, message, name, error, &session); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return bus_session_method_kill(bus, message, session, error); } -static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint32_t uid; - int32_t signo; User *user; int r; @@ -866,25 +979,18 @@ static int method_kill_user(sd_bus *bus, sd_bus_message *message, void *userdata assert(message); assert(m); - r = sd_bus_message_read(message, "ui", &uid, &signo); + r = sd_bus_message_read(message, "u", &uid); 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); + return r; - r = user_kill(user, signo); + r = manager_get_user_from_creds(m, message, uid, error, &user); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return bus_user_method_kill(bus, message, user, error); } -static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Session *session; @@ -896,20 +1002,16 @@ static int method_terminate_session(sd_bus *bus, sd_bus_message *message, void * 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); + return r; - r = session_stop(session); + r = manager_get_session_from_creds(m, message, name, error, &session); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return bus_session_method_terminate(bus, message, session, error); } -static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; uint32_t uid; User *user; @@ -921,20 +1023,16 @@ static int method_terminate_user(sd_bus *bus, sd_bus_message *message, void *use 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); + return r; - r = user_stop(user); + r = manager_get_user_from_creds(m, message, uid, error, &user); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return bus_user_method_terminate(bus, message, user, error); } -static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; const char *name; Seat *seat; @@ -946,21 +1044,16 @@ static int method_terminate_seat(sd_bus *bus, sd_bus_message *message, void *use 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); + return r; - r = seat_stop_sessions(seat); + r = manager_get_seat_from_creds(m, message, name, error, &seat); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - return sd_bus_reply_method_return(bus, message, NULL); + return bus_seat_method_terminate(bus, message, seat, error); } -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; +static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { _cleanup_free_ char *cc = NULL; Manager *m = userdata; int b, r; @@ -975,22 +1068,36 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us r = sd_bus_message_read(message, "ubb", &uid, &b, &interactive); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; + + if (uid == UID_INVALID) { + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; + + /* Note that we get the owner UID of the session, not the actual client UID here! */ + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_OWNER_UID|SD_BUS_CREDS_AUGMENT, &creds); + if (r < 0) + return r; + + r = sd_bus_creds_get_owner_uid(creds, &uid); + if (r < 0) + return r; + } errno = 0; pw = getpwuid(uid); if (!pw) - return sd_bus_reply_method_errno(bus, message, errno ? errno : ENOENT, NULL); + return errno ? -errno : -ENOENT; - r = bus_verify_polkit_async(bus, - &m->polkit_registry, - message, - "org.freedesktop.login1.set-user-linger", - interactive, - &error, - method_set_user_linger, m); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.set-user-linger", + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, &error); + return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ @@ -998,19 +1105,19 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us r = mkdir_safe_label("/var/lib/systemd/linger", 0755, 0, 0); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; cc = cescape(pw->pw_name); if (!cc) - return sd_bus_reply_method_errno(bus, message, ENOMEM, NULL); + return -ENOMEM; - path = strappenda("/var/lib/systemd/linger/", cc); + path = strjoina("/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); + return r; if (manager_add_user_by_uid(m, uid, &u) >= 0) user_start(u); @@ -1020,40 +1127,36 @@ static int method_set_user_linger(sd_bus *bus, sd_bus_message *message, void *us r = unlink(path); if (r < 0 && errno != ENOENT) - return sd_bus_reply_method_errno(bus, message, errno, NULL); + return -errno; - u = hashmap_get(m->users, ULONG_TO_PTR((unsigned long) uid)); + u = hashmap_get(m->users, UID_TO_PTR(uid)); if (u) user_add_to_gc_queue(u); } - return sd_bus_reply_method_return(bus, message, NULL); + return sd_bus_reply_method_return(message, NULL); } static int trigger_device(Manager *m, struct udev_device *d) { - struct udev_enumerate *e; + _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL; struct udev_list_entry *first, *item; int r; assert(m); e = udev_enumerate_new(m->udev); - if (!e) { - r = -ENOMEM; - goto finish; - } + if (!e) + return -ENOMEM; if (d) { - if (udev_enumerate_add_match_parent(e, d) < 0) { - r = -EIO; - goto finish; - } + r = udev_enumerate_add_match_parent(e, d); + if (r < 0) + return r; } - if (udev_enumerate_scan_devices(e) < 0) { - r = -EIO; - goto finish; - } + r = udev_enumerate_scan_devices(e); + if (r < 0) + return r; first = udev_enumerate_get_list_entry(e); udev_list_entry_foreach(item, first) { @@ -1063,27 +1166,19 @@ static int trigger_device(Manager *m, struct udev_device *d) { p = udev_list_entry_get_name(item); t = strappend(p, "/uevent"); - if (!t) { - r = -ENOMEM; - goto finish; - } + if (!t) + return -ENOMEM; write_string_file(t, "change"); } - r = 0; - -finish: - if (e) - udev_enumerate_unref(e); - - return r; + return 0; } static int attach_device(Manager *m, const char *seat, const char *sysfs) { + _cleanup_udev_device_unref_ struct udev_device *d = NULL; _cleanup_free_ char *rule = NULL, *file = NULL; const char *id_for_seat; - struct udev_device *d; int r; assert(m); @@ -1094,40 +1189,26 @@ static int attach_device(Manager *m, const char *seat, const char *sysfs) { if (!d) return -ENODEV; - if (!udev_device_has_tag(d, "seat")) { - r = -ENODEV; - goto finish; - } + if (!udev_device_has_tag(d, "seat")) + return -ENODEV; id_for_seat = udev_device_get_property_value(d, "ID_FOR_SEAT"); - if (!id_for_seat) { - r = -ENODEV; - goto finish; - } + if (!id_for_seat) + return -ENODEV; - if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) { - r = -ENOMEM; - goto finish; - } + if (asprintf(&file, "/etc/udev/rules.d/72-seat-%s.rules", id_for_seat) < 0) + return -ENOMEM; - if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) { - r = -ENOMEM; - goto finish; - } + if (asprintf(&rule, "TAG==\"seat\", ENV{ID_FOR_SEAT}==\"%s\", ENV{ID_SEAT}=\"%s\"", id_for_seat, seat) < 0) + return -ENOMEM; mkdir_p_label("/etc/udev/rules.d", 0755); - label_init("/etc"); + mac_selinux_init("/etc"); r = write_string_file_atomic_label(file, rule); if (r < 0) - goto finish; - - r = trigger_device(m, d); - -finish: - if (d) - udev_device_unref(d); + return r; - return r; + return trigger_device(m, d); } static int flush_devices(Manager *m) { @@ -1138,7 +1219,7 @@ static int flush_devices(Manager *m) { d = opendir("/etc/udev/rules.d"); if (!d) { if (errno != ENOENT) - log_warning("Failed to open /etc/udev/rules.d: %m"); + log_warning_errno(errno, "Failed to open /etc/udev/rules.d: %m"); } else { struct dirent *de; @@ -1154,15 +1235,14 @@ static int flush_devices(Manager *m) { continue; if (unlinkat(dirfd(d), de->d_name, 0) < 0) - log_warning("Failed to unlink %s: %m", de->d_name); + log_warning_errno(errno, "Failed to unlink %s: %m", de->d_name); } } 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; +static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { const char *sysfs, *seat; Manager *m = userdata; int interactive, r; @@ -1173,35 +1253,35 @@ static int method_attach_device(sd_bus *bus, sd_bus_message *message, void *user r = sd_bus_message_read(message, "ssb", &seat, &sysfs, &interactive); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; 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); + return sd_bus_error_setf(error, 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); + return sd_bus_error_setf(error, 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); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.attach-device", + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, &error); + return r; 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 r; - return sd_bus_reply_method_return(bus, message, NULL); + return sd_bus_reply_method_return(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; +static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; int interactive, r; @@ -1211,25 +1291,26 @@ static int method_flush_devices(sd_bus *bus, sd_bus_message *message, void *user r = sd_bus_message_read(message, "b", &interactive); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - r = bus_verify_polkit_async(bus, - &m->polkit_registry, - message, - "org.freedesktop.login1.flush-devices", - interactive, - &error, - method_flush_devices, m); + r = bus_verify_polkit_async( + message, + CAP_SYS_ADMIN, + "org.freedesktop.login1.flush-devices", + interactive, + UID_INVALID, + &m->polkit_registry, + error); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, &error); + return r; 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 r; - return sd_bus_reply_method_return(bus, message, NULL); + return sd_bus_reply_method_return(message, NULL); } static int have_multiple_sessions( @@ -1245,7 +1326,6 @@ static int have_multiple_sessions( * count, and non-login sessions do not count either. */ HASHMAP_FOREACH(session, m->sessions, i) if (session->class == SESSION_USER && - !session->closing && session->user->uid != uid) return true; @@ -1255,80 +1335,109 @@ static int have_multiple_sessions( static int bus_manager_log_shutdown( Manager *m, InhibitWhat w, - const char *unit_name) { + HandleAction action) { const char *p, *q; assert(m); - assert(unit_name); if (w != INHIBIT_SHUTDOWN) return 0; - if (streq(unit_name, SPECIAL_POWEROFF_TARGET)) { + switch (action) { + case HANDLE_POWEROFF: p = "MESSAGE=System is powering down."; q = "SHUTDOWN=power-off"; - } else if (streq(unit_name, SPECIAL_HALT_TARGET)) { + break; + case HANDLE_HALT: p = "MESSAGE=System is halting."; q = "SHUTDOWN=halt"; - } else if (streq(unit_name, SPECIAL_REBOOT_TARGET)) { + break; + case HANDLE_REBOOT: p = "MESSAGE=System is rebooting."; q = "SHUTDOWN=reboot"; - } else if (streq(unit_name, SPECIAL_KEXEC_TARGET)) { + break; + case HANDLE_KEXEC: p = "MESSAGE=System is rebooting with kexec."; q = "SHUTDOWN=kexec"; - } else { + break; + default: p = "MESSAGE=System is shutting down."; q = NULL; + break; } - return log_struct(LOG_NOTICE, MESSAGE_ID(SD_MESSAGE_SHUTDOWN), + return log_struct(LOG_NOTICE, + LOG_MESSAGE_ID(SD_MESSAGE_SHUTDOWN), p, - q, NULL); + q, + NULL); +} + +static int lid_switch_ignore_handler(sd_event_source *e, uint64_t usec, void *userdata) { + Manager *m = userdata; + + assert(e); + assert(m); + + m->lid_switch_ignore_event_source = sd_event_source_unref(m->lid_switch_ignore_event_source); + return 0; +} + +int manager_set_lid_switch_ignore(Manager *m, usec_t until) { + int r; + + assert(m); + + if (until <= now(CLOCK_MONOTONIC)) + return 0; + + /* We want to ignore the lid switch for a while after each + * suspend, and after boot-up. Hence let's install a timer for + * this. As long as the event source exists we ignore the lid + * switch. */ + + if (m->lid_switch_ignore_event_source) { + usec_t u; + + r = sd_event_source_get_time(m->lid_switch_ignore_event_source, &u); + if (r < 0) + return r; + + if (until <= u) + return 0; + + r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until); + } else + r = sd_event_add_time( + m->event, + &m->lid_switch_ignore_event_source, + CLOCK_MONOTONIC, + until, 0, + lid_switch_ignore_handler, m); + + return r; } static int execute_shutdown_or_sleep( Manager *m, InhibitWhat w, - const char *unit_name, + HandleAction action, sd_bus_error *error) { - - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - const char *p; - char *c; int r; assert(m); assert(w >= 0); assert(w < _INHIBIT_WHAT_MAX); - assert(unit_name); - bus_manager_log_shutdown(m, w, unit_name); + bus_manager_log_shutdown(m, w, action); - r = sd_bus_call_method( - m->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnit", - error, - &reply, - "ss", unit_name, "replace-irreversibly"); + r = shutdown_or_sleep(m, action); if (r < 0) return r; - r = sd_bus_message_read(reply, "o", &p); - if (r < 0) - return r; - - c = strdup(p); - if (!c) - return -ENOMEM; - - m->action_unit = unit_name; - free(m->action_job); - m->action_job = c; - m->action_what = w; + /* Make sure the lid switch is ignored for a while (?) */ + manager_set_lid_switch_ignore(m, now(CLOCK_MONOTONIC) + m->holdoff_timeout_usec); return 0; } @@ -1336,15 +1445,14 @@ static int execute_shutdown_or_sleep( static int delay_shutdown_or_sleep( Manager *m, InhibitWhat w, - const char *unit_name) { + HandleAction action) { assert(m); assert(w >= 0); assert(w < _INHIBIT_WHAT_MAX); - assert(unit_name); m->action_timestamp = now(CLOCK_MONOTONIC); - m->action_unit = unit_name; + m->pending_action = action; m->action_what = w; return 0; @@ -1369,12 +1477,12 @@ static int send_prepare_for(Manager *m, InhibitWhat w, bool _active) { "org.freedesktop.login1.Manager", signal_name[w], "b", - &active); + active); } int bus_manager_shutdown_or_sleep_now_or_later( Manager *m, - const char *unit_name, + HandleAction action, InhibitWhat w, sd_bus_error *error) { @@ -1382,26 +1490,24 @@ int bus_manager_shutdown_or_sleep_now_or_later( int r; assert(m); - assert(unit_name); assert(w >= 0); assert(w <= _INHIBIT_WHAT_MAX); - assert(!m->action_job); /* Tell everybody to prepare for shutdown/sleep */ send_prepare_for(m, w, true); delayed = m->inhibit_delay_max > 0 && - manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0); + manager_is_inhibited(m, w, INHIBIT_DELAY, NULL, false, false, 0, NULL); if (delayed) /* Shutdown is delayed, keep in mind what we * want to do, and start a timeout */ - r = delay_shutdown_or_sleep(m, w, unit_name); + r = delay_shutdown_or_sleep(m, w, action); else /* Shutdown is not delayed, execute it * immediately */ - r = execute_shutdown_or_sleep(m, w, unit_name, error); + r = execute_shutdown_or_sleep(m, w, action, error); return r; } @@ -1409,22 +1515,22 @@ int bus_manager_shutdown_or_sleep_now_or_later( static int method_do_shutdown_or_sleep( Manager *m, sd_bus_message *message, - const char *unit_name, + HandleAction sleep_action, InhibitWhat w, const char *action, const char *action_multiple_sessions, const char *action_ignore_inhibit, const char *sleep_verb, - sd_bus_message_handler_t method) { + sd_bus_message_handler_t method, + sd_bus_error *error) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; bool multiple_sessions, blocked; int interactive, r; uid_t uid; assert(m); assert(message); - assert(unit_name); assert(w >= 0); assert(w <= _INHIBIT_WHAT_MAX); assert(action); @@ -1434,128 +1540,140 @@ static int method_do_shutdown_or_sleep( r = sd_bus_message_read(message, "b", &interactive); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, NULL); + return r; /* Don't allow multiple jobs being executed at the same time */ if (m->action_what) - return sd_bus_reply_method_errorf(m->bus, message, BUS_ERROR_OPERATION_IN_PROGRESS, "There's already a shutdown or sleep operation in progress"); + return sd_bus_error_setf(error, 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 sd_bus_reply_method_errno(m->bus, message, r, NULL); + return r; if (r == 0) - return sd_bus_reply_method_errorf(m->bus, message, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); + return sd_bus_error_setf(error, BUS_ERROR_SLEEP_VERB_NOT_SUPPORTED, "Sleep verb not supported"); } - r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, NULL); + return r; + + r = sd_bus_creds_get_euid(creds, &uid); + if (r < 0) + return r; r = have_multiple_sessions(m, uid); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, NULL); + return r; multiple_sessions = r > 0; - blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid); + blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); if (multiple_sessions) { - r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, - action_multiple_sessions, interactive, &error, method, m); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_multiple_sessions, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, &error); + return r; + if (r == 0) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ } if (blocked) { - r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, - action_ignore_inhibit, interactive, &error, method, m); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action_ignore_inhibit, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, &error); + return r; + if (r == 0) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ } if (!multiple_sessions && !blocked) { - r = bus_verify_polkit_async(m->bus, &m->polkit_registry, message, - action, interactive, &error, method, m); + r = bus_verify_polkit_async(message, CAP_SYS_BOOT, action, interactive, UID_INVALID, &m->polkit_registry, error); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, &error); + return r; + if (r == 0) + return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ } - r = bus_manager_shutdown_or_sleep_now_or_later(m, unit_name, w, &error); + r = bus_manager_shutdown_or_sleep_now_or_later(m, sleep_action, w, error); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, &error); + return r; - return sd_bus_reply_method_return(m->bus, message, NULL); + return sd_bus_reply_method_return(message, NULL); } -static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_do_shutdown_or_sleep( m, message, - SPECIAL_POWEROFF_TARGET, + HANDLE_POWEROFF, INHIBIT_SHUTDOWN, "org.freedesktop.login1.power-off", "org.freedesktop.login1.power-off-multiple-sessions", "org.freedesktop.login1.power-off-ignore-inhibit", NULL, - method_poweroff); + method_poweroff, + error); } -static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_do_shutdown_or_sleep( m, message, - SPECIAL_REBOOT_TARGET, + HANDLE_REBOOT, INHIBIT_SHUTDOWN, "org.freedesktop.login1.reboot", "org.freedesktop.login1.reboot-multiple-sessions", "org.freedesktop.login1.reboot-ignore-inhibit", NULL, - method_reboot); + method_reboot, + error); } -static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_do_shutdown_or_sleep( m, message, - SPECIAL_SUSPEND_TARGET, + HANDLE_SUSPEND, INHIBIT_SLEEP, "org.freedesktop.login1.suspend", "org.freedesktop.login1.suspend-multiple-sessions", "org.freedesktop.login1.suspend-ignore-inhibit", "suspend", - method_suspend); + method_suspend, + error); } -static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_do_shutdown_or_sleep( m, message, - SPECIAL_HIBERNATE_TARGET, + HANDLE_HIBERNATE, INHIBIT_SLEEP, "org.freedesktop.login1.hibernate", "org.freedesktop.login1.hibernate-multiple-sessions", "org.freedesktop.login1.hibernate-ignore-inhibit", "hibernate", - method_hibernate); + method_hibernate, + error); } -static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_do_shutdown_or_sleep( m, message, - SPECIAL_HYBRID_SLEEP_TARGET, + HANDLE_HYBRID_SLEEP, INHIBIT_SLEEP, "org.freedesktop.login1.hibernate", "org.freedesktop.login1.hibernate-multiple-sessions", "org.freedesktop.login1.hibernate-ignore-inhibit", "hybrid-sleep", - method_hybrid_sleep); + method_hybrid_sleep, + error); } static int method_can_shutdown_or_sleep( @@ -1565,9 +1683,10 @@ static int method_can_shutdown_or_sleep( const char *action, const char *action_multiple_sessions, const char *action_ignore_inhibit, - const char *sleep_verb) { + const char *sleep_verb, + sd_bus_error *error) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; bool multiple_sessions, challenge, blocked; const char *result = NULL; uid_t uid; @@ -1584,26 +1703,30 @@ static int method_can_shutdown_or_sleep( if (sleep_verb) { r = can_sleep(sleep_verb); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, NULL); + return r; if (r == 0) - return sd_bus_reply_method_return(m->bus, message, "s", "na"); + return sd_bus_reply_method_return(message, "s", "na"); } - r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds); + if (r < 0) + return r; + + r = sd_bus_creds_get_euid(creds, &uid); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, NULL); + return r; r = have_multiple_sessions(m, uid); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, NULL); + return r; multiple_sessions = r > 0; - blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid); + blocked = manager_is_inhibited(m, w, INHIBIT_BLOCK, NULL, false, true, uid, NULL); if (multiple_sessions) { - r = bus_verify_polkit(m->bus, message, action_multiple_sessions, false, &challenge, &error); + r = bus_verify_polkit(message, CAP_SYS_BOOT, action_multiple_sessions, false, UID_INVALID, &challenge, error); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, &error); + return r; if (r > 0) result = "yes"; @@ -1614,9 +1737,9 @@ static int method_can_shutdown_or_sleep( } if (blocked) { - r = bus_verify_polkit(m->bus, message, action_ignore_inhibit, false, &challenge, &error); + r = bus_verify_polkit(message, CAP_SYS_BOOT, action_ignore_inhibit, false, UID_INVALID, &challenge, error); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, &error); + return r; if (r > 0 && !result) result = "yes"; @@ -1630,9 +1753,9 @@ static int method_can_shutdown_or_sleep( /* If neither inhibit nor multiple sessions * apply then just check the normal policy */ - r = bus_verify_polkit(m->bus, message, action, false, &challenge, &error); + r = bus_verify_polkit(message, CAP_SYS_BOOT, action, false, UID_INVALID, &challenge, error); if (r < 0) - return sd_bus_reply_method_errno(m->bus, message, r, &error); + return r; if (r > 0) result = "yes"; @@ -1642,10 +1765,10 @@ static int method_can_shutdown_or_sleep( result = "no"; } - return sd_bus_reply_method_return(m->bus, message, "s", result); + return sd_bus_reply_method_return(message, "s", result); } -static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1654,10 +1777,11 @@ static int method_can_poweroff(sd_bus *bus, sd_bus_message *message, void *userd "org.freedesktop.login1.power-off", "org.freedesktop.login1.power-off-multiple-sessions", "org.freedesktop.login1.power-off-ignore-inhibit", - NULL); + NULL, + error); } -static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1666,10 +1790,11 @@ static int method_can_reboot(sd_bus *bus, sd_bus_message *message, void *userdat "org.freedesktop.login1.reboot", "org.freedesktop.login1.reboot-multiple-sessions", "org.freedesktop.login1.reboot-ignore-inhibit", - NULL); + NULL, + error); } -static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1678,10 +1803,11 @@ static int method_can_suspend(sd_bus *bus, sd_bus_message *message, void *userda "org.freedesktop.login1.suspend", "org.freedesktop.login1.suspend-multiple-sessions", "org.freedesktop.login1.suspend-ignore-inhibit", - "suspend"); + "suspend", + error); } -static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1690,10 +1816,11 @@ static int method_can_hibernate(sd_bus *bus, sd_bus_message *message, void *user "org.freedesktop.login1.hibernate", "org.freedesktop.login1.hibernate-multiple-sessions", "org.freedesktop.login1.hibernate-ignore-inhibit", - "hibernate"); + "hibernate", + error); } -static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata) { +static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { Manager *m = userdata; return method_can_shutdown_or_sleep( @@ -1702,11 +1829,12 @@ static int method_can_hybrid_sleep(sd_bus *bus, sd_bus_message *message, void *u "org.freedesktop.login1.hibernate", "org.freedesktop.login1.hibernate-multiple-sessions", "org.freedesktop.login1.hibernate-ignore-inhibit", - "hybrid-sleep"); + "hybrid-sleep", + error); } -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; +static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata, sd_bus_error *error) { + _cleanup_bus_creds_unref_ sd_bus_creds *creds = NULL; const char *who, *why, *what, *mode; _cleanup_free_ char *id = NULL; _cleanup_close_ int fifo_fd = -1; @@ -1724,61 +1852,70 @@ static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata) r = sd_bus_message_read(message, "ssss", &what, &who, &why, &mode); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; 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); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid what specification %s", what); 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); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid mode specification %s", mode); /* 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"); + return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Delay inhibitors only supported for shutdown and sleep"); /* 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); + return sd_bus_error_setf(error, BUS_ERROR_OPERATION_IN_PROGRESS, "The operation inhibition has been requested for is already running"); + + r = bus_verify_polkit_async( + message, + CAP_SYS_BOOT, + 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, + UID_INVALID, + &m->polkit_registry, + error); + if (r < 0) + return r; if (r == 0) return 1; /* No authorization for now, but the async polkit stuff will call us again when it has it */ - r = sd_bus_get_owner_uid(m->bus, sd_bus_message_get_sender(message), &uid); + r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID|SD_BUS_CREDS_PID, &creds); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; - r = sd_bus_get_owner_pid(m->bus, sd_bus_message_get_sender(message), &pid); + r = sd_bus_creds_get_euid(creds, &uid); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; + + r = sd_bus_creds_get_pid(creds, &pid); + if (r < 0) + return r; do { free(id); id = NULL; if (asprintf(&id, "%lu", ++m->inhibit_counter) < 0) - return sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + return -ENOMEM; } while (hashmap_get(m->inhibitors, id)); r = manager_add_inhibitor(m, id, &i); if (r < 0) - return sd_bus_reply_method_errno(bus, message, r, NULL); + return r; i->what = w; i->mode = mm; @@ -1788,19 +1925,19 @@ static int method_inhibit(sd_bus *bus, sd_bus_message *message, void *userdata) i->who = strdup(who); if (!i->why || !i->who) { - r = sd_bus_reply_method_errno(bus, message, -ENOMEM, NULL); + r = -ENOMEM; goto fail; } fifo_fd = inhibitor_create_fifo(i); if (fifo_fd < 0) { - r = sd_bus_reply_method_errno(bus, message, fifo_fd, NULL); + r = fifo_fd; goto fail; } inhibitor_start(i); - return sd_bus_reply_method_return(bus, message, "h", fifo_fd); + return sd_bus_reply_method_return(message, "h", fifo_fd); fail: if (i) @@ -1812,61 +1949,62 @@ fail: 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("KillOnlyUsers", "as", NULL, offsetof(Manager, kill_only_users), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("KillExcludeUsers", "as", NULL, offsetof(Manager, kill_exclude_users), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("KillUserProcesses", "b", NULL, offsetof(Manager, kill_user_processes), SD_BUS_VTABLE_PROPERTY_CONST), 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("InhibitDelayMaxUSec", "t", NULL, offsetof(Manager, inhibit_delay_max), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("HandlePowerKey", "s", property_get_handle_action, offsetof(Manager, handle_power_key), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("HandleSuspendKey", "s", property_get_handle_action, offsetof(Manager, handle_suspend_key), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("HandleHibernateKey", "s", property_get_handle_action, offsetof(Manager, handle_hibernate_key), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("HandleLidSwitch", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("HandleLidSwitchDocked", "s", property_get_handle_action, offsetof(Manager, handle_lid_switch_docked), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("HoldoffTimeoutUSec", "t", NULL, offsetof(Manager, holdoff_timeout_usec), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("IdleAction", "s", property_get_handle_action, offsetof(Manager, idle_action), SD_BUS_VTABLE_PROPERTY_CONST), + SD_BUS_PROPERTY("IdleActionUSec", "t", NULL, offsetof(Manager, idle_action_usec), SD_BUS_VTABLE_PROPERTY_CONST), 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("GetSession", "s", "o", method_get_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("GetSessionByPID", "u", "o", method_get_session_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("GetUser", "u", "o", method_get_user, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("GetUserByPID", "u", "o", method_get_user_by_pid, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("GetSeat", "s", "o", method_get_seat, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("ListSessions", NULL, "a(susso)", method_list_sessions, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("ListUsers", NULL, "a(uso)", method_list_users, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("ListSeats", NULL, "a(so)", method_list_seats, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("ListInhibitors", NULL, "a(ssssuu)", method_list_inhibitors, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("CreateSession", "uusssssussbssa(sv)", "soshusub", 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_METHOD("ActivateSession", "s", NULL, method_activate_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("ActivateSessionOnSeat", "ss", NULL, method_activate_session_on_seat, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("LockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("UnlockSession", "s", NULL, method_lock_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("LockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("UnlockSessions", NULL, NULL, method_lock_sessions, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("KillSession", "ssi", NULL, method_kill_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("KillUser", "ui", NULL, method_kill_user, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("TerminateSession", "s", NULL, method_terminate_session, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("TerminateUser", "u", NULL, method_terminate_user, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("TerminateSeat", "s", NULL, method_terminate_seat, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("SetUserLinger", "ubb", NULL, method_set_user_linger, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("AttachDevice", "ssb", NULL, method_attach_device, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("FlushDevices", "b", NULL, method_flush_devices, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("PowerOff", "b", NULL, method_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("Reboot", "b", NULL, method_reboot, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("Suspend", "b", NULL, method_suspend, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("Hibernate", "b", NULL, method_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("HybridSleep", "b", NULL, method_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("CanPowerOff", NULL, "s", method_can_poweroff, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("CanReboot", NULL, "s", method_can_reboot, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("CanSuspend", NULL, "s", method_can_suspend, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("CanHibernate", NULL, "s", method_can_hibernate, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("CanHybridSleep", NULL, "s", method_can_hybrid_sleep, SD_BUS_VTABLE_UNPRIVILEGED), + SD_BUS_METHOD("Inhibit", "ssss", "h", method_inhibit, SD_BUS_VTABLE_UNPRIVILEGED), SD_BUS_SIGNAL("SessionNew", "so", 0), SD_BUS_SIGNAL("SessionRemoved", "so", 0), @@ -1880,198 +2018,6 @@ const sd_bus_vtable manager_vtable[] = { SD_BUS_VTABLE_END }; -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; - - assert(bus); - assert(message); - assert(m); - - 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 (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; - return 0; - } - - session = hashmap_get(m->session_units, unit); - if (session) { - - if (streq_ptr(path, session->scope_job)) { - free(session->scope_job); - session->scope_job = NULL; - } - - 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; - - 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); - } - } else - session_save(session); - - session_add_to_gc_queue(session); - } - - user = hashmap_get(m->user_units, unit); - if (user) { - - if (streq_ptr(path, user->service_job)) { - free(user->service_job); - user->service_job = NULL; - } - - if (streq_ptr(path, user->slice_job)) { - free(user->slice_job); - user->slice_job = NULL; - } - - user_save(user); - user_add_to_gc_queue(user); - } - - return 0; -} - -int match_unit_removed(sd_bus *bus, sd_bus_message *message, void *userdata) { - const char *path, *unit; - Manager *m = userdata; - Session *session; - User *user; - int r; - - assert(bus); - assert(message); - assert(m); - - r = sd_bus_message_read(message, "so", &unit, &path); - if (r < 0) { - log_error("Failed to parse UnitRemoved message: %s", strerror(-r)); - return 0; - } - - session = hashmap_get(m->session_units, unit); - if (session) - session_add_to_gc_queue(session); - - user = hashmap_get(m->user_units, unit); - if (user) - user_add_to_gc_queue(user); - - return 0; -} - -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; - - assert(bus); - assert(message); - assert(m); - - path = sd_bus_message_get_path(message); - if (!path) - return 0; - - unit_name_from_dbus_path(path, &unit); - if (!unit) - return 0; - - session = hashmap_get(m->session_units, unit); - if (session) - session_add_to_gc_queue(session); - - user = hashmap_get(m->user_units, unit); - if (user) - user_add_to_gc_queue(user); - - return 0; -} - -int match_reloading(sd_bus *bus, sd_bus_message *message, void *userdata) { - Manager *m = userdata; - Session *session; - Iterator i; - int b, r; - - assert(bus); - - r = sd_bus_message_read(message, "b", &b); - if (r < 0) { - log_error("Failed to parse Reloading message: %s", strerror(-r)); - return 0; - } - - if (b) - return 0; - - /* systemd finished reloading, let's recheck all our sessions */ - log_debug("System manager has been reloaded, rechecking sessions..."); - - HASHMAP_FOREACH(session, m->sessions, i) - session_add_to_gc_queue(session); - - return 0; -} - -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; - - - 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 (isempty(old) || !isempty(new)) - return 0; - - key = set_remove(m->busnames, (char*) old); - if (!key) - return 0; - - /* Drop all controllers owned by this name */ - - free(key); - - HASHMAP_FOREACH(session, m->sessions, i) - if (session_is_controller(session, old)) - session_drop_controller(session); - - return 0; -} - int manager_send_changed(Manager *manager, const char *property, ...) { char **l; @@ -2088,316 +2034,38 @@ int manager_send_changed(Manager *manager, const char *property, ...) { int manager_dispatch_delayed(Manager *manager) { _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; + Inhibitor *offending = NULL; int r; assert(manager); - if (manager->action_what == 0 || manager->action_job) + if (manager->action_what == 0) return 0; /* Continue delay? */ - if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0)) { + if (manager_is_inhibited(manager, manager->action_what, INHIBIT_DELAY, NULL, false, false, 0, &offending)) { + _cleanup_free_ char *comm = NULL, *u = NULL; + + get_process_comm(offending->pid, &comm); + u = uid_to_name(offending->uid); if (manager->action_timestamp + manager->inhibit_delay_max > now(CLOCK_MONOTONIC)) return 0; - log_info("Delay lock is active but inhibitor timeout is reached."); + log_info("Delay lock is active (UID "UID_FMT"/%s, PID "PID_FMT"/%s) but inhibitor timeout is reached.", + offending->uid, strna(u), + offending->pid, strna(comm)); } /* Actually do the operation */ - r = execute_shutdown_or_sleep(manager, manager->action_what, manager->action_unit, &error); + r = execute_shutdown_or_sleep(manager, manager->action_what, manager->pending_action, &error); if (r < 0) { log_warning("Failed to send delayed message: %s", bus_error_message(&error, r)); - manager->action_unit = NULL; + manager->pending_action = HANDLE_IGNORE; manager->action_what = 0; return r; } return 1; } - -int manager_start_scope( - Manager *manager, - const char *scope, - pid_t pid, - const char *slice, - const char *description, - const char *after, - const char *kill_mode, - sd_bus_error *error, - char **job) { - - _cleanup_bus_message_unref_ sd_bus_message *m = NULL, *reply = NULL; - int r; - - assert(manager); - assert(scope); - assert(pid > 1); - - r = sd_bus_message_new_method_call( - manager->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartTransientUnit", - &m); - if (r < 0) - return r; - - r = sd_bus_message_append(m, "ss", strempty(scope), "fail"); - if (r < 0) - return r; - - r = sd_bus_message_open_container(m, 'a', "(sv)"); - if (r < 0) - return r; - - if (!isempty(slice)) { - r = sd_bus_message_append(m, "(sv)", "Slice", "s", slice); - if (r < 0) - return r; - } - - if (!isempty(description)) { - r = sd_bus_message_append(m, "(sv)", "Description", "s", description); - if (r < 0) - return r; - } - - if (!isempty(description)) { - r = sd_bus_message_append(m, "(sv)", "After", "as", 1, after); - if (r < 0) - return r; - } - - if (!isempty(kill_mode)) { - r = sd_bus_message_append(m, "(sv)", "KillMode", "s", kill_mode); - if (r < 0) - return r; - } - - /* cgroup empty notification is not available in containers - * currently. To make this less problematic, let's shorten the - * stop timeout for sessions, so that we don't wait - * forever. */ - - 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 */ - 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; - - r = sd_bus_message_read(reply, "o", &j); - if (r < 0) - return r; - - copy = strdup(j); - if (!copy) - return -ENOMEM; - - *job = copy; - } - - return 1; -} - -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 = sd_bus_call_method( - manager->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StartUnit", - error, - &reply, - "ss", unit, "fail"); - if (r < 0) - return r; - - if (job) { - const char *j; - char *copy; - - r = sd_bus_message_read(reply, "o", &j); - if (r < 0) - return r; - - copy = strdup(j); - if (!copy) - return -ENOMEM; - - *job = copy; - } - - return 1; -} - -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 = sd_bus_call_method( - manager->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "StopUnit", - error, - &reply, - "ss", unit, "fail"); - if (r < 0) { - 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; - - sd_bus_error_free(error); - return 0; - } - - return r; - } - - if (job) { - const char *j; - char *copy; - - r = sd_bus_message_read(reply, "o", &j); - if (r < 0) - return r; - - copy = strdup(j); - if (!copy) - return -ENOMEM; - - *job = copy; - } - - return 1; -} - -int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error) { - assert(manager); - assert(unit); - - return sd_bus_call_method( - manager->bus, - "org.freedesktop.systemd1", - "/org/freedesktop/systemd1", - "org.freedesktop.systemd1.Manager", - "KillUnit", - error, - NULL, - "ssi", unit, who == KILL_LEADER ? "main" : "all", signo); -} - -int manager_unit_is_active(Manager *manager, const char *unit) { - _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; - _cleanup_bus_message_unref_ sd_bus_message *reply = NULL; - _cleanup_free_ char *path = NULL; - const char *state; - int r; - - assert(manager); - assert(unit); - - path = unit_dbus_path_from_name(unit); - if (!path) - return -ENOMEM; - - r = sd_bus_get_property( - manager->bus, - "org.freedesktop.systemd1", - path, - "org.freedesktop.systemd1.Unit", - "ActiveState", - &error, - &reply, - "s"); - if (r < 0) { - /* 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 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; - - return r; - } - - r = sd_bus_message_read(reply, "s", &state); - if (r < 0) - 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; - } - - /* We don't actually care about the state really. The fact - * that we could read the job state is enough for us */ - - return true; -}