--- kde-workspace-4.10.2/CMakeLists.txt.kdm_logind 2013-03-29 09:35:09.542235739 +0100 +++ kde-workspace-4.10.2/CMakeLists.txt 2013-04-10 15:17:35.941332970 +0200 @@ -76,6 +76,9 @@ if(Q_WS_X11) endif(NOT X11_Xcursor_FOUND) endif(Q_WS_X11) +macro_optional_find_package(Systemd) +macro_log_feature(SYSTEMD_FOUND "systemd" "Init and service manager for Linux" "http://www.freedesktop.org/wiki/Software/systemd" FALSE "" "Provides automatic multi-seat, session and power management features") + macro_optional_find_package(GLIB2) macro_log_feature(GLIB2_FOUND "glib2" "Low-level core library for data structure handling, portability wrappers, etc." "http://www.gtk.org" FALSE "2.x" "Needed to build the kxkb keyboard map control program and provide XMMS support in the Now Playing Plasma data engine") --- kde-workspace-4.10.2/cmake/modules/CMakeLists.txt.kdm_logind 2013-03-01 07:32:23.652864293 +0100 +++ kde-workspace-4.10.2/cmake/modules/CMakeLists.txt 2013-04-10 15:17:35.941332970 +0200 @@ -9,6 +9,7 @@ set(cmakeFiles FindCkConnector.cmake FindOpenGLES.cmake FindPAM.cmake FindSensors.cmake + FindSystemd.cmake PkgConfigGetVar.cmake UnixAuth.cmake ) --- kde-workspace-4.10.2/cmake/modules/FindSystemd.cmake.kdm_logind 2013-04-10 15:17:35.941332970 +0200 +++ kde-workspace-4.10.2/cmake/modules/FindSystemd.cmake 2013-04-10 16:20:41.270790058 +0200 @@ -0,0 +1,39 @@ +# Finds systemd and its libraries +# Not a huge module but sufficient for now +# Uses the same semantics as pkg_check_modules, i.e. ${LIB}{_FOUND,_INCLUDE_DIR,_LIBRARIES} +# where ${LIB} can be one of the following: +# LIBSYSTEMD_JOURNAL, SYSTEMD, LIBSYSTEMD_DAEMON, LIBSYSTEMD_LOGIN, LIBSYSTEMD_ID128 +# +# Copyright: Red Hat, Inc. 2013 +# Author: Martin Briza +# +# Distributed under the BSD license. See COPYING-CMAKE-SCRIPTS for details. + +#defining any of these disables systemd support +if (NOT LIBSYSTEMD_JOURNAL_FOUND AND + NOT SYSTEMD_FOUND AND + NOT LIBSYSTEMD_DAEMON_FOUND AND + NOT LIBSYSTEMD_LOGIN_FOUND AND + NOT LIBSYSTEMD_ID128_FOUND) +find_package(PkgConfig) +if (PKG_CONFIG_FOUND) + pkg_check_modules(LIBSYSTEMD_JOURNAL QUIET "libsystemd-journal") + pkg_check_modules(SYSTEMD QUIET "systemd") + pkg_check_modules(LIBSYSTEMD_DAEMON QUIET "libsystemd-daemon") + pkg_check_modules(LIBSYSTEMD_LOGIN QUIET "libsystemd-login") + pkg_check_modules(LIBSYSTEMD_ID128 QUIET "libsystemd-id128") +endif (PKG_CONFIG_FOUND) + +if (SYSTEMD_FOUND) + message(STATUS "Found systemd") +endif(SYSTEMD_FOUND) + +mark_as_advanced(LIBSYSTEMD_JOURNAL_FOUND SYSTEMD_FOUND LIBSYSTEMD_DAEMON_FOUND LIBSYSTEMD_LOGIN_FOUND LIBSYSTEMD_ID128_FOUND) +mark_as_advanced(LIBSYSTEMD_JOURNAL_INCLUDE_DIR SYSTEMD_INCLUDE_DIR LIBSYSTEMD_DAEMON_INCLUDE_DIR LIBSYSTEMD_LOGIN_INCLUDE_DIR LIBSYSTEMD_ID128_INCLUDE_DIR) +mark_as_advanced(LIBSYSTEMD_JOURNAL_LIBRARIES SYSTEMD_LIBRARIES LIBSYSTEMD_DAEMON_LIBRARIES LIBSYSTEMD_LOGIN_LIBRARIES LIBSYSTEMD_ID128_LIBRARIES) + +endif (NOT LIBSYSTEMD_JOURNAL_FOUND AND + NOT SYSTEMD_FOUND AND + NOT LIBSYSTEMD_DAEMON_FOUND AND + NOT LIBSYSTEMD_LOGIN_FOUND AND + NOT LIBSYSTEMD_ID128_FOUND) --- kde-workspace-4.10.2/kdm/backend/dm.c.kdm_logind 2013-04-10 15:17:35.916333005 +0200 +++ kde-workspace-4.10.2/kdm/backend/dm.c 2013-04-10 15:17:35.942332969 +0200 @@ -50,6 +50,23 @@ from the copyright holder. # include #endif +#ifdef WITH_SYSTEMD +# include +# include + +#define SYSTEMD_FAILURE_LIMIT 25 + + static int systemdMonitorInit(void); + static void systemdMonitorDeinit(); + static int systemdStartDisplay(char *); + static void systemdCheckAdded(char **); + static void systemdCheckRemoved(char **); + static void systemdHandleChange(); + + sd_login_monitor *systemd_monitor = NULL; + int systemd_monitor_fd = -1; +#endif + static void sigHandler(int n); static int scanConfigs(int force); static void startDisplay(struct display *d); @@ -308,7 +325,16 @@ main(int argc, char **argv) #ifdef XDMCP updateListenSockets(); #endif + +#ifdef WITH_SYSTEMD + if (systemdMonitorInit()) + systemdHandleChange(); +#endif + mainLoop(); +#ifdef WITH_SYSTEMD + systemdMonitorDeinit(); +#endif closeCtrl(0); if (sdRec.how) { int pid; @@ -1280,6 +1306,14 @@ mainLoop(void) } continue; } + logError("STARTING"); +#ifdef WITH_SYSTEMD + if (systemd_monitor_fd >= 0 && FD_ISSET(systemd_monitor_fd, &reads)) { + systemdHandleChange(); + sd_login_monitor_flush(systemd_monitor); + continue; + } +#endif #ifdef XDMCP if (processListenSockets(&reads)) continue; @@ -1304,6 +1338,151 @@ mainLoop(void) } } +#ifdef WITH_SYSTEMD +static int +systemdMonitorInit(void) +{ + if (sd_booted() <= 0) { + logError("Didn't boot with systemd, automatic multiseat won't be enabled\n"); + return False; + } + + int check = sd_login_monitor_new("seat", &systemd_monitor); + if (check < 0) { + logError("Can't get systemd monitor: %d, automatic multiseat won't be enabled\n", check); + return False; + } + + systemd_monitor_fd = sd_login_monitor_get_fd(systemd_monitor); + if (systemd_monitor_fd < 0) { + logError("Can't retrieve file descriptor from the systemd monitor: %d, automatic multiseat won't be enabled\n", systemd_monitor_fd); + sd_login_monitor_unref(systemd_monitor); + systemd_monitor_fd = -1; + return False; + } + + registerInput(systemd_monitor_fd); + return True; +} + +static void +systemdMonitorDeinit(void) +{ + if (systemd_monitor) { + sd_login_monitor_unref(systemd_monitor); + } + systemd_monitor_fd = -1; +} + +static int +systemdStartDisplay(char *seat) +{ + struct display *link = NULL; + for (link = displays; link; link = link-> next) { + if (link->status == reserve) + break; + } + if (!link) { + logError("There's not enough reserve displays for all your seats/sessions"); + return False; + } + if (!strDup((&link->systemd_seat), seat)) { + return False; + } +#ifdef HAVE_VTS + link->serverVT = 0; +#endif + link->status = notRunning; + link->stillThere = True; + link->authorize = True; + link->displayType = dLocal | dPermanent; + link->reqSrvVT = -1; + link->serverPid = -1; + return True; +} + +static void +systemdCheckAdded(char **seat_names) +{ + char **iter_name; + struct display *link; + for (iter_name = seat_names; *iter_name; iter_name++) { + if (strcmp(*iter_name, "seat0") == 0) + continue; /* ignore the main seat */ + int can_graphical = sd_seat_can_graphical(*iter_name); + for (link = displays; link; link = link->next) { + if (!link->systemd_seat) + continue; + /* see if the can_graphical property didn't change */ + if (strcmp(*iter_name, link->systemd_seat)) { + if (!can_graphical) { + free(link->systemd_seat); + link->systemd_seat = NULL; + rStopDisplay(link, DS_RESERVE); + } + break; + } + } + /* the display wasn't found */ + if (!link) { + if (can_graphical) { + /* if starting the display failed, skip this round until the next change */ + if (!systemdStartDisplay(*iter_name)) + break; + } + } + } +} + +static void +systemdCheckRemoved(char **seat_names) +{ + char **iter_name; + struct display *link; + for (link = displays; link; link = link->next) { + for (iter_name = seat_names; *iter_name; iter_name++) { + if (strcmp(*iter_name, "seat0") == 0) + continue; /* ignore the main seat */ + if (link->systemd_seat && strcmp(*iter_name, link->systemd_seat) == 0) + break; + } + if (!(*iter_name) && link->systemd_seat) { /* was not found, stop this one */ + free(link->systemd_seat); + link->systemd_seat = NULL; + rStopDisplay(link, DS_RESERVE); + } + } +} + +static void +systemdHandleChange(void) +{ + static int failures = 0; + char **seat_names; + char **iter_name; + int check; + if ((check = sd_get_seats(&seat_names)) < 0) { + logError("Can't obtain systemd seats, error %d\n", -check); + failures++; + if (failures >= SYSTEMD_FAILURE_LIMIT) { + logError("%u failed calls to sd_get_seats, disabling systemd multi-seat support\n", SYSTEMD_FAILURE_LIMIT); + systemdMonitorDeinit(); + } + return; + } + + if (!check) + return; + + systemdCheckAdded(seat_names); + systemdCheckRemoved(seat_names); + + for (iter_name = seat_names; *iter_name; iter_name++) + free(*iter_name); + free(seat_names); +} +#endif + static void checkDisplayStatus(struct display *d) { --- kde-workspace-4.10.2/kdm/backend/dm.h.kdm_logind 2013-04-10 15:17:35.917333004 +0200 +++ kde-workspace-4.10.2/kdm/backend/dm.h 2013-04-10 15:17:35.942332969 +0200 @@ -306,6 +306,9 @@ struct display { char *greeterAuthFile; /* file to store authorization for greeter in */ int plymouth_is_running; /* Plymouth's status */ +#ifdef WITH_SYSTEMD + char *systemd_seat; +#endif }; #define d_location 1 --- kde-workspace-4.10.2/kdm/backend/CMakeLists.txt.kdm_logind 2013-03-01 07:32:24.152858104 +0100 +++ kde-workspace-4.10.2/kdm/backend/CMakeLists.txt 2013-04-10 15:17:35.942332969 +0200 @@ -45,6 +45,10 @@ if (SECURE_RPC) rpcauth.c ) endif (SECURE_RPC) +if(LIBSYSTEMD_LOGIN_FOUND AND LIBSYSTEMD_DAEMON_FOUND) + add_definitions( -DWITH_SYSTEMD=1 ) + set(KDM_SYSTEMD_LIBRARIES ${LIBSYSTEMD_DAEMON_LIBRARIES} ${LIBSYSTEMD_LOGIN_LIBRARIES} ) +endif(LIBSYSTEMD_LOGIN_FOUND AND LIBSYSTEMD_DAEMON_FOUND) macro_add_file_dependencies(dm.h ${confci}) macro_add_file_dependencies(error.c ${CMAKE_CURRENT_SOURCE_DIR}/printf.c) kde4_add_executable(kdm NOGUI ${kdm_SRCS}) @@ -60,6 +64,7 @@ target_link_libraries( kdm ${NSL_LIBRARIES} ${RESOLV_LIBRARIES} ${SOCKET_LIBRARIES} + ${KDM_SYSTEMD_LIBRARIES} ) if (CKCONNECTOR_FOUND) include_directories(${CKCONNECTOR_INCLUDE_DIR} ${DBUS_INCLUDE_DIR} ${DBUS_ARCH_INCLUDE_DIR}) --- kde-workspace-4.10.2/kdm/backend/server.c.kdm_logind 2013-04-10 15:17:35.917333004 +0200 +++ kde-workspace-4.10.2/kdm/backend/server.c 2013-04-10 15:17:35.942332969 +0200 @@ -70,6 +70,21 @@ prepareServerArgv(struct display *d, con if (!changeUser(d->serverUID, d->authFile)) exit(47); +#ifdef WITH_SYSTEMD + if (d->systemd_seat) { + if (!(argv = parseArgs(argv, "-seat"))) + exit(47); + if (!(argv = parseArgs(argv, d->systemd_seat))) + exit(47); + } + else { + if (!(argv = parseArgs(argv, "-seat"))) + exit(47); + if (!(argv = parseArgs(argv, "seat0"))) + exit(47); + } +#endif + return argv; }