diff options
Diffstat (limited to 'session')
-rw-r--r-- | session/direct-ipc.c | 241 | ||||
-rw-r--r-- | session/direct.c | 244 | ||||
-rw-r--r-- | session/logind.c | 398 | ||||
-rw-r--r-- | session/session.c | 54 |
4 files changed, 0 insertions, 937 deletions
diff --git a/session/direct-ipc.c b/session/direct-ipc.c deleted file mode 100644 index 885662e0..00000000 --- a/session/direct-ipc.c +++ /dev/null @@ -1,241 +0,0 @@ -#define _POSIX_C_SOURCE 200809L -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> -#include <unistd.h> -#include <sys/socket.h> -#include <sys/stat.h> -#include <sys/types.h> -#include <sys/sysmacros.h> -#include <sys/wait.h> -#include <xf86drm.h> -#include <linux/major.h> -#include <wlr/util/log.h> -#include "session/direct-ipc.h" - -enum { DRM_MAJOR = 226 }; - -#ifdef HAS_LIBCAP -#include <sys/capability.h> - -static bool have_permissions(void) { - cap_t cap = cap_get_proc(); - cap_flag_value_t val; - - if (!cap || cap_get_flag(cap, CAP_SYS_ADMIN, CAP_PERMITTED, &val) || val != CAP_SET) { - wlr_log(L_ERROR, "Do not have CAP_SYS_ADMIN; cannot become DRM master"); - cap_free(cap); - return false; - } - - cap_free(cap); - return true; -} -#else -static bool have_permissions(void) { - if (geteuid() != 0) { - wlr_log(L_ERROR, "Do not have root privileges; cannot become DRM master"); - return false; - } - - return true; -} -#endif - -static void send_msg(int sock, int fd, void *buf, size_t buf_len) { - char control[CMSG_SPACE(sizeof(fd))] = {0}; - struct iovec iovec = { .iov_base = buf, .iov_len = buf_len }; - struct msghdr msghdr = {0}; - - if (buf) { - msghdr.msg_iov = &iovec; - msghdr.msg_iovlen = 1; - } - - if (fd >= 0) { - msghdr.msg_control = &control; - msghdr.msg_controllen = sizeof(control); - - struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msghdr); - *cmsg = (struct cmsghdr) { - .cmsg_level = SOL_SOCKET, - .cmsg_type = SCM_RIGHTS, - .cmsg_len = CMSG_LEN(sizeof(fd)), - }; - memcpy(CMSG_DATA(cmsg), &fd, sizeof(fd)); - } - - ssize_t ret; - do { - ret = sendmsg(sock, &msghdr, 0); - } while (ret < 0 && errno == EINTR); -} - -static ssize_t recv_msg(int sock, int *fd_out, void *buf, size_t buf_len) { - char control[CMSG_SPACE(sizeof(*fd_out))] = {0}; - struct iovec iovec = { .iov_base = buf, .iov_len = buf_len }; - struct msghdr msghdr = {0}; - - if (buf) { - msghdr.msg_iov = &iovec; - msghdr.msg_iovlen = 1; - } - - if (fd_out) { - msghdr.msg_control = &control; - msghdr.msg_controllen = sizeof(control); - } - - ssize_t ret; - do { - ret = recvmsg(sock, &msghdr, MSG_CMSG_CLOEXEC); - } while (ret < 0 && errno == EINTR); - - if (fd_out) { - struct cmsghdr *cmsg = CMSG_FIRSTHDR(&msghdr); - if (cmsg) { - memcpy(fd_out, CMSG_DATA(cmsg), sizeof(*fd_out)); - } else { - *fd_out = -1; - } - } - - return ret; -} - -enum msg_type { - MSG_OPEN, - MSG_SETMASTER, - MSG_DROPMASTER, - MSG_END, -}; - -struct msg { - enum msg_type type; - char path[256]; -}; - -static void communicate(int sock) { - struct msg msg; - int drm_fd = -1; - bool running = true; - - while (running && recv_msg(sock, &drm_fd, &msg, sizeof(msg)) >= 0) { - switch (msg.type) { - case MSG_OPEN: - errno = 0; - - // These are the same flags that logind opens files with - int fd = open(msg.path, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK); - int ret = errno; - if (fd == -1) { - goto error; - } - - struct stat st; - if (fstat(fd, &st) < 0) { - ret = errno; - goto error; - } - - uint32_t maj = major(st.st_rdev); - if (maj != INPUT_MAJOR && maj != DRM_MAJOR) { - ret = ENOTSUP; - goto error; - } - - if (maj == DRM_MAJOR && drmSetMaster(fd)) { - ret = errno; - } -error: - send_msg(sock, ret ? -1 : fd, &ret, sizeof(ret)); - close(fd); - - break; - - case MSG_SETMASTER: - drmSetMaster(drm_fd); - close(drm_fd); - send_msg(sock, -1, NULL, 0); - break; - - case MSG_DROPMASTER: - drmDropMaster(drm_fd); - close(drm_fd); - send_msg(sock, -1, NULL, 0); - break; - - case MSG_END: - running = false; - send_msg(sock, -1, NULL, 0); - break; - } - } - - close(sock); -} - -int direct_ipc_open(int sock, const char *path) { - struct msg msg = { .type = MSG_OPEN }; - snprintf(msg.path, sizeof(msg.path), "%s", path); - - send_msg(sock, -1, &msg, sizeof(msg)); - - int fd, err; - recv_msg(sock, &fd, &err, sizeof(err)); - - return err ? -err : fd; -} - -void direct_ipc_setmaster(int sock, int fd) { - struct msg msg = { .type = MSG_SETMASTER }; - - send_msg(sock, fd, &msg, sizeof(msg)); - recv_msg(sock, NULL, NULL, 0); -} - -void direct_ipc_dropmaster(int sock, int fd) { - struct msg msg = { .type = MSG_DROPMASTER }; - - send_msg(sock, fd, &msg, sizeof(msg)); - recv_msg(sock, NULL, NULL, 0); -} - -void direct_ipc_finish(int sock, pid_t pid) { - struct msg msg = { .type = MSG_END }; - - send_msg(sock, -1, &msg, sizeof(msg)); - recv_msg(sock, NULL, NULL, 0); - - waitpid(pid, NULL, 0); -} - -int direct_ipc_start(pid_t *pid_out) { - if (!have_permissions()) { - return -1; - } - - int sock[2]; - if (socketpair(AF_UNIX, SOCK_SEQPACKET, 0, sock) < 0) { - wlr_log_errno(L_ERROR, "Failed to create socket pair"); - return -1; - } - - pid_t pid = fork(); - if (pid < 0) { - wlr_log_errno(L_ERROR, "Fork failed"); - close(sock[0]); - close(sock[1]); - return -1; - } else if (pid == 0) { - close(sock[0]); - communicate(sock[1]); - _Exit(0); - } - - close(sock[1]); - *pid_out = pid; - return sock[0]; -} diff --git a/session/direct.c b/session/direct.c deleted file mode 100644 index 1247663b..00000000 --- a/session/direct.c +++ /dev/null @@ -1,244 +0,0 @@ -#define _POSIX_C_SOURCE 200809L -#include <errno.h> -#include <stdlib.h> -#include <stdio.h> -#include <stdbool.h> -#include <unistd.h> -#include <signal.h> -#include <sys/ioctl.h> -#include <sys/stat.h> -#include <sys/sysmacros.h> -#include <linux/kd.h> -#include <linux/major.h> -#include <linux/input.h> -#include <linux/vt.h> -#include <wayland-server.h> -#include <wlr/session/interface.h> -#include <wlr/util/log.h> -#include "session/direct-ipc.h" - -enum { DRM_MAJOR = 226 }; - -const struct session_impl session_direct; - -struct direct_session { - struct wlr_session base; - int tty_fd; - int old_kbmode; - int sock; - pid_t child; - - struct wl_event_source *vt_source; -}; - -static int direct_session_open(struct wlr_session *base, const char *path) { - struct direct_session *session = wl_container_of(base, session, base); - - int fd = direct_ipc_open(session->sock, path); - if (fd < 0) { - wlr_log(L_ERROR, "Failed to open %s: %s%s", path, strerror(-fd), - fd == -EINVAL ? "; is another display server running?" : ""); - return fd; - } - - struct stat st; - if (fstat(fd, &st) < 0) { - close(fd); - return -errno; - } - - if (major(st.st_rdev) == DRM_MAJOR) { - session->base.drm_fd = fd; - } - - return fd; -} - -static void direct_session_close(struct wlr_session *base, int fd) { - struct direct_session *session = wl_container_of(base, session, base); - - struct stat st; - if (fstat(fd, &st) < 0) { - wlr_log_errno(L_ERROR, "Stat failed"); - close(fd); - return; - } - - if (major(st.st_rdev) == DRM_MAJOR) { - direct_ipc_dropmaster(session->sock, session->base.drm_fd); - session->base.drm_fd = -1; - } else if (major(st.st_rdev) == INPUT_MAJOR) { - ioctl(fd, EVIOCREVOKE, 0); - } - - close(fd); -} - -static bool direct_change_vt(struct wlr_session *base, unsigned vt) { - struct direct_session *session = wl_container_of(base, session, base); - return ioctl(session->tty_fd, VT_ACTIVATE, (int)vt) == 0; -} - -static void direct_session_finish(struct wlr_session *base) { - struct direct_session *session = wl_container_of(base, session, base); - struct vt_mode mode = { - .mode = VT_AUTO, - }; - - errno = 0; - - ioctl(session->tty_fd, KDSKBMODE, session->old_kbmode); - ioctl(session->tty_fd, KDSETMODE, KD_TEXT); - ioctl(session->tty_fd, VT_SETMODE, &mode); - - if (errno) { - wlr_log(L_ERROR, "Failed to restore tty"); - } - - direct_ipc_finish(session->sock, session->child); - close(session->sock); - - wl_event_source_remove(session->vt_source); - close(session->tty_fd); - free(session); -} - -static int vt_handler(int signo, void *data) { - struct direct_session *session = data; - - if (session->base.active) { - session->base.active = false; - wl_signal_emit(&session->base.session_signal, session); - direct_ipc_dropmaster(session->sock, session->base.drm_fd); - ioctl(session->tty_fd, VT_RELDISP, 1); - } else { - ioctl(session->tty_fd, VT_RELDISP, VT_ACKACQ); - direct_ipc_setmaster(session->sock, session->base.drm_fd); - session->base.active = true; - wl_signal_emit(&session->base.session_signal, session); - } - - return 1; -} - -static bool setup_tty(struct direct_session *session, struct wl_display *display) { - int fd = dup(STDIN_FILENO); - if (fd == -1) { - wlr_log_errno(L_ERROR, "Cannot open tty"); - return false; - } - - struct stat st; - if (fstat(fd, &st) == -1 || major(st.st_rdev) != TTY_MAJOR || minor(st.st_rdev) == 0) { - wlr_log(L_ERROR, "Not running from a virtual terminal"); - goto error; - } - - int tty = minor(st.st_rdev); - int ret, kd_mode, old_kbmode; - - ret = ioctl(fd, KDGETMODE, &kd_mode); - if (ret) { - wlr_log_errno(L_ERROR, "Failed to get tty mode"); - goto error; - } - - if (kd_mode != KD_TEXT) { - wlr_log(L_ERROR, - "tty already in graphics mode; is another display server running?"); - goto error; - } - - ioctl(fd, VT_ACTIVATE, tty); - ioctl(fd, VT_WAITACTIVE, tty); - - if (ioctl(fd, KDGKBMODE, &old_kbmode)) { - wlr_log_errno(L_ERROR, "Failed to read keyboard mode"); - goto error; - } - - if (ioctl(fd, KDSKBMODE, K_OFF)) { - wlr_log_errno(L_ERROR, "Failed to set keyboard mode"); - goto error; - } - - if (ioctl(fd, KDSETMODE, KD_GRAPHICS)) { - wlr_log_errno(L_ERROR, "Failed to set graphics mode on tty"); - goto error; - } - - struct vt_mode mode = { - .mode = VT_PROCESS, - .relsig = SIGUSR1, - .acqsig = SIGUSR1, - }; - - if (ioctl(fd, VT_SETMODE, &mode) < 0) { - wlr_log(L_ERROR, "Failed to take control of tty"); - goto error; - } - - struct wl_event_loop *loop = wl_display_get_event_loop(display); - session->vt_source = wl_event_loop_add_signal(loop, SIGUSR1, - vt_handler, session); - if (!session->vt_source) { - goto error; - } - - session->base.vtnr = tty; - session->tty_fd = fd; - session->old_kbmode = old_kbmode; - - return true; - -error: - close(fd); - return false; -} - -static struct wlr_session *direct_session_start(struct wl_display *disp) { - struct direct_session *session = calloc(1, sizeof(*session)); - if (!session) { - wlr_log_errno(L_ERROR, "Allocation failed"); - return NULL; - } - - session->sock = direct_ipc_start(&session->child); - if (session->sock == -1) { - goto error_session; - } - - if (!setup_tty(session, disp)) { - goto error_ipc; - } - - // XXX: Is it okay to trust the environment like this? - const char *seat = getenv("XDG_SEAT"); - if (!seat) { - seat = "seat0"; - } - - wlr_log(L_INFO, "Successfully loaded direct session"); - - snprintf(session->base.seat, sizeof(session->base.seat), "%s", seat); - session->base.drm_fd = -1; - session->base.impl = &session_direct; - session->base.active = true; - wl_signal_init(&session->base.session_signal); - return &session->base; - -error_ipc: - direct_ipc_finish(session->sock, session->child); - close(session->sock); -error_session: - free(session); - return NULL; -} - -const struct session_impl session_direct = { - .start = direct_session_start, - .finish = direct_session_finish, - .open = direct_session_open, - .close = direct_session_close, - .change_vt = direct_change_vt, -}; diff --git a/session/logind.c b/session/logind.c deleted file mode 100644 index 6744215a..00000000 --- a/session/logind.c +++ /dev/null @@ -1,398 +0,0 @@ -#define _POSIX_C_SOURCE 200809L -#include <stdio.h> -#include <stdbool.h> -#include <stdlib.h> -#include <string.h> -#include <errno.h> -#include <systemd/sd-bus.h> -#include <systemd/sd-login.h> -#include <unistd.h> -#include <sys/sysmacros.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <wayland-server.h> -#include <wlr/session/interface.h> -#include <wlr/util/log.h> - -enum { DRM_MAJOR = 226 }; - -const struct session_impl session_logind; - -struct logind_session { - struct wlr_session base; - - sd_bus *bus; - struct wl_event_source *event; - - char *id; - char *path; -}; - -static int logind_take_device(struct wlr_session *base, const char *path) { - struct logind_session *session = wl_container_of(base, session, base); - - int ret; - int fd = -1; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - struct stat st; - if (stat(path, &st) < 0) { - wlr_log(L_ERROR, "Failed to stat '%s'", path); - return -1; - } - - ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", - session->path, "org.freedesktop.login1.Session", "TakeDevice", - &error, &msg, "uu", major(st.st_rdev), minor(st.st_rdev)); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to take device '%s': %s", path, error.message); - goto error; - } - - int paused = 0; - ret = sd_bus_message_read(msg, "hb", &fd, &paused); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to parse D-Bus response for '%s': %s", - path, strerror(-ret)); - goto error; - } - - // The original fd seems to be closed when the message is freed - // so we just clone it. - fd = fcntl(fd, F_DUPFD_CLOEXEC, 0); - if (fd == -1) { - wlr_log(L_ERROR, "Failed to clone file descriptor for '%s': %s", - path, strerror(errno)); - goto error; - } - - if (major(st.st_rdev) == DRM_MAJOR) { - session->base.drm_fd = fd; - } - -error: - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return fd; -} - -static void logind_release_device(struct wlr_session *base, int fd) { - struct logind_session *session = wl_container_of(base, session, base); - - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - struct stat st; - if (fstat(fd, &st) < 0) { - wlr_log(L_ERROR, "Failed to stat device '%d'", fd); - return; - } - - ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", - session->path, "org.freedesktop.login1.Session", "ReleaseDevice", - &error, &msg, "uu", major(st.st_rdev), minor(st.st_rdev)); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to release device '%d'", fd); - } - - if (major(st.st_rdev) == DRM_MAJOR) { - session->base.drm_fd = -1; - } - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); -} - -static bool logind_change_vt(struct wlr_session *base, unsigned vt) { - struct logind_session *session = wl_container_of(base, session, base); - - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", - "/org/freedesktop/login1/seat/self", "org.freedesktop.login1.Seat", "SwitchTo", - &error, &msg, "u", (uint32_t)vt); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to change to vt '%d'", vt); - } - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return ret >= 0; -} - -static bool find_sesion_path(struct logind_session *session) { - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", - "/org/freedesktop/login1", "org.freedesktop.login1.Manager", - "GetSession", &error, &msg, "s", session->id); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to get session path: %s", strerror(-ret)); - goto out; - } - - const char *path; - - ret = sd_bus_message_read(msg, "o", &path); - if (ret < 0) { - wlr_log(L_ERROR, "Could not parse session path: %s", strerror(-ret)); - goto out; - } - - session->path = strdup(path); - -out: - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - - return ret >= 0; -} - -static bool session_activate(struct logind_session *session) { - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", - session->path, "org.freedesktop.login1.Session", "Activate", - &error, &msg, ""); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to activate session"); - } - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return ret >= 0; -} - -static bool take_control(struct logind_session *session) { - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", - session->path, "org.freedesktop.login1.Session", "TakeControl", - &error, &msg, "b", false); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to take control of session"); - } - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); - return ret >= 0; -} - -static void release_control(struct logind_session *session) { - int ret; - sd_bus_message *msg = NULL; - sd_bus_error error = SD_BUS_ERROR_NULL; - - ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", - session->path, "org.freedesktop.login1.Session", "ReleaseControl", - &error, &msg, ""); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to release control of session"); - } - - sd_bus_error_free(&error); - sd_bus_message_unref(msg); -} - -static void logind_session_finish(struct wlr_session *base) { - struct logind_session *session = wl_container_of(base, session, base); - - release_control(session); - - wl_event_source_remove(session->event); - sd_bus_unref(session->bus); - free(session->id); - free(session->path); - free(session); -} - -static int session_removed(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) { - wlr_log(L_INFO, "SessionRemoved signal received"); - return 0; -} - -static int pause_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) { - struct logind_session *session = userdata; - int ret; - - uint32_t major, minor; - const char *type; - ret = sd_bus_message_read(msg, "uus", &major, &minor, &type); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to parse D-Bus response for PauseDevice: %s", - strerror(-ret)); - goto error; - } - - if (major == DRM_MAJOR) { - session->base.active = false; - wl_signal_emit(&session->base.session_signal, session); - } - - if (strcmp(type, "pause") == 0) { - ret = sd_bus_call_method(session->bus, "org.freedesktop.login1", - session->path, "org.freedesktop.login1.Session", "PauseDeviceComplete", - ret_error, &msg, "uu", major, minor); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to send PauseDeviceComplete signal: %s", - strerror(-ret)); - } - } - -error: - return 0; -} - -static int resume_device(sd_bus_message *msg, void *userdata, sd_bus_error *ret_error) { - struct logind_session *session = userdata; - int ret; - - int fd; - uint32_t major, minor; - ret = sd_bus_message_read(msg, "uuh", &major, &minor, &fd); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to parse D-Bus response for ResumeDevice: %s", - strerror(-ret)); - goto error; - } - - if (major == DRM_MAJOR) { - dup2(fd, session->base.drm_fd); - session->base.active = true; - wl_signal_emit(&session->base.session_signal, session); - } - -error: - return 0; -} - -static bool add_signal_matches(struct logind_session *session) { - int ret; - - char str[256]; - const char *fmt = "type='signal'," - "sender='org.freedesktop.login1'," - "interface='org.freedesktop.login1.%s'," - "member='%s'," - "path='%s'"; - - snprintf(str, sizeof(str), fmt, "Manager", "SesssionRemoved", "/org/freedesktop/login1"); - ret = sd_bus_add_match(session->bus, NULL, str, session_removed, session); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to add D-Bus match: %s", strerror(-ret)); - return false; - } - - snprintf(str, sizeof(str), fmt, "Session", "PauseDevice", session->path); - ret = sd_bus_add_match(session->bus, NULL, str, pause_device, session); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to add D-Bus match: %s", strerror(-ret)); - return false; - } - - snprintf(str, sizeof(str), fmt, "Session", "ResumeDevice", session->path); - ret = sd_bus_add_match(session->bus, NULL, str, resume_device, session); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to add D-Bus match: %s", strerror(-ret)); - return false; - } - - return true; -} - -static int dbus_event(int fd, uint32_t mask, void *data) { - sd_bus *bus = data; - while (sd_bus_process(bus, NULL) > 0); - return 1; -} - -static struct wlr_session *logind_session_start(struct wl_display *disp) { - int ret; - struct logind_session *session = calloc(1, sizeof(*session)); - if (!session) { - wlr_log(L_ERROR, "Allocation failed: %s", strerror(errno)); - return NULL; - } - - ret = sd_pid_get_session(getpid(), &session->id); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to get session id: %s", strerror(-ret)); - goto error; - } - - ret = sd_session_get_vt(session->id, &session->base.vtnr); - if (ret < 0) { - wlr_log(L_ERROR, "Session not running in virtual terminal"); - goto error; - } - - char *seat; - ret = sd_session_get_seat(session->id, &seat); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to get seat id: %s", strerror(-ret)); - goto error; - } - snprintf(session->base.seat, sizeof(session->base.seat), "%s", seat); - free(seat); - - ret = sd_bus_default_system(&session->bus); - if (ret < 0) { - wlr_log(L_ERROR, "Failed to open D-Bus connection: %s", strerror(-ret)); - goto error; - } - - if (!find_sesion_path(session)) { - sd_bus_unref(session->bus); - goto error; - } - - if (!add_signal_matches(session)) { - goto error_bus; - } - - struct wl_event_loop *event_loop = wl_display_get_event_loop(disp); - session->event = wl_event_loop_add_fd(event_loop, sd_bus_get_fd(session->bus), - WL_EVENT_READABLE, dbus_event, session->bus); - - if (!session_activate(session)) { - goto error_bus; - } - - if (!take_control(session)) { - goto error_bus; - } - - wlr_log(L_INFO, "Successfully loaded logind session"); - - session->base.drm_fd = -1; - session->base.impl = &session_logind; - session->base.active = true; - wl_signal_init(&session->base.session_signal); - return &session->base; - -error_bus: - sd_bus_unref(session->bus); - free(session->path); - -error: - free(session->id); - return NULL; -} - -const struct session_impl session_logind = { - .start = logind_session_start, - .finish = logind_session_finish, - .open = logind_take_device, - .close = logind_release_device, - .change_vt = logind_change_vt, -}; diff --git a/session/session.c b/session/session.c deleted file mode 100644 index 3f4c7910..00000000 --- a/session/session.c +++ /dev/null @@ -1,54 +0,0 @@ -#include <stddef.h> -#include <stdarg.h> -#include <wlr/session.h> -#include <wlr/session/interface.h> -#include <wlr/util/log.h> - -extern const struct session_impl session_logind; -extern const struct session_impl session_direct; - -static const struct session_impl *impls[] = { -#ifdef HAS_SYSTEMD - &session_logind, -#endif - &session_direct, - NULL, -}; - -struct wlr_session *wlr_session_start(struct wl_display *disp) { - const struct session_impl **iter; - - for (iter = impls; *iter; ++iter) { - struct wlr_session *session = (*iter)->start(disp); - if (session) { - return session; - } - } - - wlr_log(L_ERROR, "Failed to load session backend"); - return NULL; -} - -void wlr_session_finish(struct wlr_session *session) { - if (!session) { - return; - } - - session->impl->finish(session); -}; - -int wlr_session_open_file(struct wlr_session *session, const char *path) { - return session->impl->open(session, path); -} - -void wlr_session_close_file(struct wlr_session *session, int fd) { - session->impl->close(session, fd); -} - -bool wlr_session_change_vt(struct wlr_session *session, unsigned vt) { - if (!session) { - return false; - } - - return session->impl->change_vt(session, vt); -} |