1 files changed, 0 insertions, 319 deletions
diff --git a/backend/session/direct-freebsd.c b/backend/session/direct-freebsd.c
deleted file mode 100644
index 302b0ff4..00000000
--- a/backend/session/direct-freebsd.c
+++ /dev/null
@@ -1,319 +0,0 @@
-#include <assert.h>
-#include <linux/input.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <sys/consio.h>
-#include <sys/ioctl.h>
-#include <sys/kbio.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <termios.h>
-#include <unistd.h>
-#include <wayland-server-core.h>
-#include <wlr/backend/session/interface.h>
-#include <wlr/util/log.h>
-#include <xf86drm.h>
-#include "backend/session/direct-ipc.h"
-#include "backend/session/session.h"
-#include "util/signal.h"
-
-const struct session_impl session_direct;
-
-struct direct_session {
-	struct wlr_session base;
-	int tty_fd;
-	int old_tty;
-	int old_kbmode;
-	int sock;
-	pid_t child;
-
-	struct wl_event_source *vt_source;
-};
-
-static struct direct_session *direct_session_from_session(
-		struct wlr_session *base) {
-	assert(base->impl == &session_direct);
-	return (struct direct_session *)base;
-}
-
-static int direct_session_open(struct wlr_session *base, const char *path) {
-	struct direct_session *session = direct_session_from_session(base);
-
-	int fd = direct_ipc_open(session->sock, path);
-	if (fd < 0) {
-		wlr_log(WLR_ERROR, "Failed to open %s: %s%s", path, strerror(-fd),
-			fd == -EINVAL ? "; is another display server running?" : "");
-		return fd;
-	}
-
-	return fd;
-}
-
-static void direct_session_close(struct wlr_session *base, int fd) {
-	struct direct_session *session = direct_session_from_session(base);
-
-	int ev;
-	struct drm_version dv = {0};
-	if (ioctl(fd, DRM_IOCTL_VERSION, &dv) == 0) {
-		direct_ipc_dropmaster(session->sock, fd);
-	} else if (ioctl(fd, EVIOCGVERSION, &ev) == 0) {
-		ioctl(fd, EVIOCREVOKE, 0);
-	}
-
-	close(fd);
-}
-
-static bool direct_change_vt(struct wlr_session *base, unsigned vt) {
-	struct direct_session *session = direct_session_from_session(base);
-
-	// Only seat0 has VTs associated with it
-	if (strcmp(session->base.seat, "seat0") != 0) {
-		return true;
-	}
-
-	return ioctl(session->tty_fd, VT_ACTIVATE, (int)vt) == 0;
-}
-
-static void direct_session_destroy(struct wlr_session *base) {
-	struct direct_session *session = direct_session_from_session(base);
-
-	if (strcmp(session->base.seat, "seat0") == 0) {
-		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);
-
-		ioctl(session->tty_fd, VT_ACTIVATE, session->old_tty);
-
-		if (errno) {
-			wlr_log(WLR_ERROR, "Failed to restore tty");
-		}
-
-		wl_event_source_remove(session->vt_source);
-		close(session->tty_fd);
-	}
-
-	direct_ipc_finish(session->sock, session->child);
-	close(session->sock);
-
-	free(session);
-}
-
-static int vt_handler(int signo, void *data) {
-	struct direct_session *session = data;
-	struct drm_version dv = {0};
-	struct wlr_device *dev;
-
-	if (session->base.active) {
-		session->base.active = false;
-		wlr_signal_emit_safe(&session->base.events.active, NULL);
-
-		wl_list_for_each(dev, &session->base.devices, link) {
-			if (ioctl(dev->fd, DRM_IOCTL_VERSION, &dv) == 0) {
-				direct_ipc_dropmaster(session->sock, dev->fd);
-			}
-		}
-
-		ioctl(session->tty_fd, VT_RELDISP, 1);
-	} else {
-		ioctl(session->tty_fd, VT_RELDISP, VT_ACKACQ);
-
-		wl_list_for_each(dev, &session->base.devices, link) {
-			if (ioctl(dev->fd, DRM_IOCTL_VERSION, &dv) == 0) {
-				direct_ipc_setmaster(session->sock, dev->fd);
-			}
-		}
-
-		session->base.active = true;
-		wlr_signal_emit_safe(&session->base.events.active, NULL);
-	}
-
-	return 1;
-}
-
-static bool get_tty_path(int tty, char path[static 11], size_t len) {
-	assert(tty > 0);
-
-	const char prefix[] = "/dev/ttyv";
-	static_assert(sizeof(prefix) + 1 <= 11, "TTY path prefix is too long");
-
-	const size_t prefix_len = sizeof(prefix) - 1;
-	strcpy(path, prefix);
-
-	size_t offset = prefix_len;
-	const int num = tty - 1;
-	if (num == 0) {
-		path[offset++] = '0';
-		path[offset++] = '\0';
-		return true;
-	}
-
-	const int base = 32;
-	for (int remaning = num; remaning > 0; remaning /= base, offset++) {
-		// Return early if the buffer is too small.
-		if (offset + 1 >= len) {
-			return false;
-		}
-
-		const int value = remaning % base;
-		if (value >= 10) {
-			path[offset] = 'a' + value - 10;
-		} else {
-			path[offset] = '0' + value;
-		}
-	}
-
-	const size_t num_len = offset - prefix_len;
-	for (size_t i = 0; i < num_len / 2; i++) {
-		const size_t p1 = prefix_len + i;
-		const size_t p2 = offset - 1 - i;
-		const char tmp = path[p1];
-		path[p1] = path[p2];
-		path[p2] = tmp;
-	}
-
-	path[offset++] = '\0';
-	return true;
-}
-
-static bool setup_tty(struct direct_session *session, struct wl_display *display) {
-	int fd = -1, tty = -1, tty0_fd = -1, old_tty = 1;
-	if ((tty0_fd = open("/dev/ttyv0", O_RDWR | O_CLOEXEC)) < 0) {
-		wlr_log_errno(WLR_ERROR, "Could not open /dev/ttyv0 to find a free vt");
-		goto error;
-	}
-	if (ioctl(tty0_fd, VT_GETACTIVE, &old_tty) != 0) {
-		wlr_log_errno(WLR_ERROR, "Could not get active vt");
-		goto error;
-	}
-	if (ioctl(tty0_fd, VT_OPENQRY, &tty) != 0) {
-		wlr_log_errno(WLR_ERROR, "Could not find a free vt");
-		goto error;
-	}
-	close(tty0_fd);
-	char tty_path[64];
-	if (!get_tty_path(tty, tty_path, sizeof(tty_path))) {
-		wlr_log(WLR_ERROR, "Could not get tty %d path", tty);
-		goto error;
-	}
-	wlr_log(WLR_INFO, "Using tty %s", tty_path);
-	fd = open(tty_path, O_RDWR | O_NOCTTY | O_CLOEXEC);
-
-	if (fd == -1) {
-		wlr_log_errno(WLR_ERROR, "Cannot open tty");
-		return false;
-	}
-
-	ioctl(fd, VT_ACTIVATE, tty);
-	ioctl(fd, VT_WAITACTIVE, tty);
-
-	int old_kbmode;
-	if (ioctl(fd, KDGKBMODE, &old_kbmode)) {
-		wlr_log_errno(WLR_ERROR, "Failed to read tty %d keyboard mode", tty);
-		goto error;
-	}
-
-	if (ioctl(fd, KDSKBMODE, K_CODE)) {
-		wlr_log_errno(WLR_ERROR,
-			"Failed to set keyboard mode K_CODE on tty %d", tty);
-		goto error;
-	}
-
-	if (ioctl(fd, KDSETMODE, KD_GRAPHICS)) {
-		wlr_log_errno(WLR_ERROR, "Failed to set graphics mode on tty %d", tty);
-		goto error;
-	}
-
-	struct vt_mode mode = {
-		.mode = VT_PROCESS,
-		.relsig = SIGUSR2,
-		.acqsig = SIGUSR2,
-		.frsig = SIGIO, // has to be set
-	};
-
-	if (ioctl(fd, VT_SETMODE, &mode) < 0) {
-		wlr_log(WLR_ERROR, "Failed to take control of tty %d", tty);
-		goto error;
-	}
-
-	struct wl_event_loop *loop = wl_display_get_event_loop(display);
-	session->vt_source = wl_event_loop_add_signal(loop, SIGUSR2,
-		vt_handler, session);
-	if (!session->vt_source) {
-		goto error;
-	}
-
-	session->base.vtnr = tty;
-	session->tty_fd = fd;
-	session->old_tty = old_tty;
-	session->old_kbmode = old_kbmode;
-
-	return true;
-
-error:
-	// In case we could not get the last active one, drop back to tty 1,
-	// better than hanging in a useless blank console. Otherwise activate the
-	// last active.
-	ioctl(fd, VT_ACTIVATE, old_tty);
-	close(fd);
-	return false;
-}
-
-static struct wlr_session *direct_session_create(struct wl_display *disp) {
-	struct direct_session *session = calloc(1, sizeof(*session));
-	if (!session) {
-		wlr_log_errno(WLR_ERROR, "Allocation failed");
-		return NULL;
-	}
-
-	session_init(&session->base);
-	session->sock = direct_ipc_init(&session->child);
-	if (session->sock == -1) {
-		goto error_session;
-	}
-
-	const char *seat = getenv("XDG_SEAT");
-	if (!seat) {
-		seat = "seat0";
-	}
-
-	if (strcmp(seat, "seat0") == 0) {
-		if (!setup_tty(session, disp)) {
-			goto error_ipc;
-		}
-	} else {
-		session->base.vtnr = 0;
-		session->tty_fd = -1;
-	}
-
-	wlr_log(WLR_INFO, "Successfully loaded direct session");
-
-	snprintf(session->base.seat, sizeof(session->base.seat), "%s", seat);
-	session->base.impl = &session_direct;
-	session->base.active = true;
-	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 = {
-	.create = direct_session_create,
-	.destroy = direct_session_destroy,
-	.open = direct_session_open,
-	.close = direct_session_close,
-	.change_vt = direct_change_vt,
-};