diff options
Diffstat (limited to 'src/login/logind-session.c')
-rw-r--r-- | src/login/logind-session.c | 127 |
1 files changed, 59 insertions, 68 deletions
diff --git a/src/login/logind-session.c b/src/login/logind-session.c index 8a021f32a1..65cc6f3094 100644 --- a/src/login/logind-session.c +++ b/src/login/logind-session.c @@ -22,18 +22,18 @@ #include <errno.h> #include <string.h> #include <unistd.h> -#include <sys/epoll.h> #include <fcntl.h> -#include <systemd/sd-id128.h> -#include <systemd/sd-messages.h> - +#include "sd-id128.h" +#include "sd-messages.h" #include "strv.h" #include "util.h" #include "mkdir.h" #include "path-util.h" #include "fileio.h" -#include "dbus-common.h" +#include "audit.h" +#include "bus-util.h" +#include "bus-error.h" #include "logind-session.h" static unsigned devt_hash_func(const void *p) { @@ -98,6 +98,8 @@ void session_free(Session *s) { if (s->in_gc_queue) LIST_REMOVE(gc_queue, s->manager->session_gc_queue, s); + session_remove_fifo(s); + session_drop_controller(s); while ((sd = hashmap_first(s->devices))) @@ -128,8 +130,7 @@ void session_free(Session *s) { free(s->scope_job); - if (s->create_message) - dbus_message_unref(s->create_message); + sd_bus_message_unref(s->create_message); free(s->tty); free(s->display); @@ -138,7 +139,6 @@ void session_free(Session *s) { free(s->service); hashmap_remove(s->manager->sessions, s->id); - session_remove_fifo(s); free(s->state_file); free(s); @@ -153,8 +153,8 @@ void session_set_user(Session *s, User *u) { } int session_save(Session *s) { - _cleanup_fclose_ FILE *f = NULL; _cleanup_free_ char *temp_path = NULL; + _cleanup_fclose_ FILE *f = NULL; int r = 0; assert(s); @@ -494,16 +494,14 @@ done: } static int session_start_scope(Session *s) { - DBusError error; int r; assert(s); assert(s->user); assert(s->user->slice); - dbus_error_init(&error); - if (!s->scope) { + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; _cleanup_free_ char *description = NULL; const char *kill_mode; char *scope, *job; @@ -521,9 +519,7 @@ static int session_start_scope(Session *s) { r = manager_start_scope(s->manager, scope, s->leader, s->user->slice, description, "systemd-user-sessions.service", kill_mode, &error, &job); if (r < 0) { log_error("Failed to start session scope %s: %s %s", - scope, bus_error(&error, r), error.name); - dbus_error_free(&error); - + scope, bus_error_message(&error, r), error.name); free(scope); return r; } else { @@ -589,32 +585,29 @@ int session_start(Session *s) { seat_save(s->seat); if (s->seat->active == s) - seat_send_changed(s->seat, "Sessions\0ActiveSession\0"); + seat_send_changed(s->seat, "Sessions", "ActiveSession", NULL); else - seat_send_changed(s->seat, "Sessions\0"); + seat_send_changed(s->seat, "Sessions", NULL); } - user_send_changed(s->user, "Sessions\0"); + user_send_changed(s->user, "Sessions", NULL); return 0; } static int session_stop_scope(Session *s) { - DBusError error; + _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL; char *job; int r; assert(s); - dbus_error_init(&error); - if (!s->scope) return 0; r = manager_stop_unit(s->manager, s->scope, &error, &job); if (r < 0) { - log_error("Failed to stop session scope: %s", bus_error(&error, r)); - dbus_error_free(&error); + log_error("Failed to stop session scope: %s", bus_error_message(&error, r)); return r; } @@ -656,6 +649,7 @@ int session_stop(Session *s) { r = session_stop_scope(s); session_save(s); + user_save(s->user); return r; } @@ -698,11 +692,11 @@ int session_finalize(Session *s) { if (s->seat->active == s) seat_set_active(s->seat, NULL); - seat_send_changed(s->seat, "Sessions\0"); + seat_send_changed(s->seat, "Sessions", NULL); seat_save(s->seat); } - user_send_changed(s->user, "Sessions\0"); + user_send_changed(s->user, "Sessions", NULL); user_save(s->user); return r; @@ -816,26 +810,27 @@ void session_set_idle_hint(Session *s, bool b) { s->idle_hint = b; dual_timestamp_get(&s->idle_hint_timestamp); - session_send_changed(s, - "IdleHint\0" - "IdleSinceHint\0" - "IdleSinceHintMonotonic\0"); + session_send_changed(s, "IdleHint", "IdleSinceHint", "IdleSinceHintMonotonic", NULL); if (s->seat) - seat_send_changed(s->seat, - "IdleHint\0" - "IdleSinceHint\0" - "IdleSinceHintMonotonic\0"); - - user_send_changed(s->user, - "IdleHint\0" - "IdleSinceHint\0" - "IdleSinceHintMonotonic\0"); - - manager_send_changed(s->manager, - "IdleHint\0" - "IdleSinceHint\0" - "IdleSinceHintMonotonic\0"); + seat_send_changed(s->seat, "IdleHint", "IdleSinceHint", "IdleSinceHintMonotonic", NULL); + + user_send_changed(s->user, "IdleHint", "IdleSinceHint", "IdleSinceHintMonotonic", NULL); + manager_send_changed(s->manager, "IdleHint", "IdleSinceHint", "IdleSinceHintMonotonic", NULL); +} + +static int session_dispatch_fifo(sd_event_source *es, int fd, uint32_t revents, void *userdata) { + Session *s = userdata; + + assert(s); + assert(s->fifo_fd == fd); + + /* EOF on the FIFO means the session died abnormally. */ + + session_remove_fifo(s); + session_stop(s); + + return 1; } int session_create_fifo(Session *s) { @@ -858,21 +853,20 @@ int session_create_fifo(Session *s) { /* Open reading side */ if (s->fifo_fd < 0) { - struct epoll_event ev = {}; - s->fifo_fd = open(s->fifo_path, O_RDONLY|O_CLOEXEC|O_NDELAY); if (s->fifo_fd < 0) return -errno; - r = hashmap_put(s->manager->session_fds, INT_TO_PTR(s->fifo_fd + 1), s); + } + + if (!s->fifo_event_source) { + r = sd_event_add_io(s->manager->event, s->fifo_fd, 0, session_dispatch_fifo, s, &s->fifo_event_source); if (r < 0) return r; - ev.events = 0; - ev.data.u32 = FD_OTHER_BASE + s->fifo_fd; - - if (epoll_ctl(s->manager->epoll_fd, EPOLL_CTL_ADD, s->fifo_fd, &ev) < 0) - return -errno; + r = sd_event_source_set_priority(s->fifo_event_source, SD_PRIORITY_IDLE); + if (r < 0) + return r; } /* Open writing side */ @@ -886,14 +880,12 @@ int session_create_fifo(Session *s) { void session_remove_fifo(Session *s) { assert(s); + if (s->fifo_event_source) + s->fifo_event_source = sd_event_source_unref(s->fifo_event_source); + if (s->fifo_fd >= 0) { - assert_se(hashmap_remove(s->manager->session_fds, INT_TO_PTR(s->fifo_fd + 1)) == s); - assert_se(epoll_ctl(s->manager->epoll_fd, EPOLL_CTL_DEL, s->fifo_fd, NULL) == 0); close_nointr_nofail(s->fifo_fd); s->fifo_fd = -1; - - session_save(s); - user_save(s->user); } if (s->fifo_path) { @@ -903,33 +895,33 @@ void session_remove_fifo(Session *s) { } } -int session_check_gc(Session *s, bool drop_not_started) { +bool session_check_gc(Session *s, bool drop_not_started) { int r; assert(s); if (drop_not_started && !s->started) - return 0; + return false; if (!s->user) - return 0; + return false; if (s->fifo_fd >= 0) { r = pipe_eof(s->fifo_fd); if (r < 0) - return r; + return true; if (r == 0) - return 1; + return true; } - if (s->scope_job) - return 1; + if (s->scope_job && manager_job_is_active(s->manager, s->scope_job)) + return true; - if (s->scope) - return manager_unit_is_active(s->manager, s->scope) != 0; + if (s->scope && manager_unit_is_active(s->manager, s->scope)) + return true; - return 0; + return false; } void session_add_to_gc_queue(Session *s) { @@ -969,8 +961,7 @@ int session_kill(Session *s, KillWho who, int signo) { return manager_kill_unit(s->manager, s->scope, who, signo, NULL); } -bool session_is_controller(Session *s, const char *sender) -{ +bool session_is_controller(Session *s, const char *sender) { assert(s); return streq_ptr(s->controller, sender); |