1 files changed, 840 insertions, 0 deletions

diff --git a/sway/old/ipc-server.c b/sway/old/ipc-server.c
new file mode 100644
index 00000000..fd64e81b
--- /dev/null
+++ b/sway/old/ipc-server.c
@@ -0,0 +1,840 @@
+// See https://i3wm.org/docs/ipc.html for protocol information
+#ifndef __FreeBSD__
+// Any value will hide SOCK_CLOEXEC on FreeBSD (__BSD_VISIBLE=0)
+#define _XOPEN_SOURCE 700
+#endif
+#include <errno.h>
+#include <string.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <stdbool.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <json-c/json.h>
+#include <list.h>
+#include <libinput.h>
+#ifdef __linux__
+struct ucred {
+	pid_t pid;
+	uid_t uid;
+	gid_t gid;
+};
+#endif
+#include "sway/ipc-json.h"
+#include "sway/ipc-server.h"
+#include "sway/security.h"
+#include "sway/config.h"
+#include "sway/commands.h"
+#include "sway/input.h"
+#include "sway/server.h"
+#include "stringop.h"
+#include "log.h"
+#include "list.h"
+#include "util.h"
+
+static int ipc_socket = -1;
+static struct wl_event_source *ipc_event_source =  NULL;
+static struct sockaddr_un *ipc_sockaddr = NULL;
+static list_t *ipc_client_list = NULL;
+
+static const char ipc_magic[] = {'i', '3', '-', 'i', 'p', 'c'};
+
+struct ipc_client {
+	struct wl_event_source *event_source;
+	struct wl_event_source *writable_event_source;
+	int fd;
+	uint32_t payload_length;
+	uint32_t security_policy;
+	enum ipc_command_type current_command;
+	enum ipc_command_type subscribed_events;
+	size_t write_buffer_len;
+	size_t write_buffer_size;
+	char *write_buffer;
+};
+
+struct sockaddr_un *ipc_user_sockaddr(void);
+int ipc_handle_connection(int fd, uint32_t mask, void *data);
+int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data);
+int ipc_client_handle_writable(int client_fd, uint32_t mask, void *data);
+void ipc_client_disconnect(struct ipc_client *client);
+void ipc_client_handle_command(struct ipc_client *client);
+bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t payload_length);
+void ipc_get_workspaces_callback(swayc_t *workspace, void *data);
+void ipc_get_outputs_callback(swayc_t *container, void *data);
+static void ipc_get_marks_callback(swayc_t *container, void *data);
+
+void ipc_init(void) {
+	ipc_socket = socket(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0);
+	if (ipc_socket == -1) {
+		sway_abort("Unable to create IPC socket");
+	}
+
+	ipc_sockaddr = ipc_user_sockaddr();
+
+	// We want to use socket name set by user, not existing socket from another sway instance.
+	if (getenv("SWAYSOCK") != NULL && access(getenv("SWAYSOCK"), F_OK) == -1) {
+		strncpy(ipc_sockaddr->sun_path, getenv("SWAYSOCK"), sizeof(ipc_sockaddr->sun_path));
+		ipc_sockaddr->sun_path[sizeof(ipc_sockaddr->sun_path) - 1] = 0;
+	}
+
+	unlink(ipc_sockaddr->sun_path);
+	if (bind(ipc_socket, (struct sockaddr *)ipc_sockaddr, sizeof(*ipc_sockaddr)) == -1) {
+		sway_abort("Unable to bind IPC socket");
+	}
+
+	if (listen(ipc_socket, 3) == -1) {
+		sway_abort("Unable to listen on IPC socket");
+	}
+
+	// Set i3 IPC socket path so that i3-msg works out of the box
+	setenv("I3SOCK", ipc_sockaddr->sun_path, 1);
+	setenv("SWAYSOCK", ipc_sockaddr->sun_path, 1);
+
+	ipc_client_list = create_list();
+
+	ipc_event_source = wl_event_loop_add_fd(server.wl_event_loop, ipc_socket,
+			WL_EVENT_READABLE, ipc_handle_connection, NULL);
+}
+
+void ipc_terminate(void) {
+	if (ipc_event_source) {
+		wl_event_source_remove(ipc_event_source);
+	}
+	close(ipc_socket);
+	unlink(ipc_sockaddr->sun_path);
+
+	list_free(ipc_client_list);
+
+	if (ipc_sockaddr) {
+		free(ipc_sockaddr);
+	}
+}
+
+struct sockaddr_un *ipc_user_sockaddr(void) {
+	struct sockaddr_un *ipc_sockaddr = malloc(sizeof(struct sockaddr_un));
+	if (ipc_sockaddr == NULL) {
+		sway_abort("Can't allocate ipc_sockaddr");
+	}
+
+	ipc_sockaddr->sun_family = AF_UNIX;
+	int path_size = sizeof(ipc_sockaddr->sun_path);
+
+	// Env var typically set by logind, e.g. "/run/user/<user-id>"
+	const char *dir = getenv("XDG_RUNTIME_DIR");
+	if (!dir) {
+		dir = "/tmp";
+	}
+	if (path_size <= snprintf(ipc_sockaddr->sun_path, path_size,
+			"%s/sway-ipc.%i.%i.sock", dir, getuid(), getpid())) {
+		sway_abort("Socket path won't fit into ipc_sockaddr->sun_path");
+	}
+
+	return ipc_sockaddr;
+}
+
+static pid_t get_client_pid(int client_fd) {
+// FreeBSD supports getting uid/gid, but not pid
+#ifdef __linux__
+	struct ucred ucred;
+	socklen_t len = sizeof(struct ucred);
+
+	if (getsockopt(client_fd, SOL_SOCKET, SO_PEERCRED, &ucred, &len) == -1) {
+		return -1;
+	}
+
+	return ucred.pid;
+#else
+	return -1;
+#endif
+}
+
+int ipc_handle_connection(int fd, uint32_t mask, void *data) {
+	(void) fd; (void) data;
+	sway_log(L_DEBUG, "Event on IPC listening socket");
+	assert(mask == WL_EVENT_READABLE);
+
+	int client_fd = accept(ipc_socket, NULL, NULL);
+	if (client_fd == -1) {
+		sway_log_errno(L_ERROR, "Unable to accept IPC client connection");
+		return 0;
+	}
+
+	int flags;
+	if ((flags = fcntl(client_fd, F_GETFD)) == -1
+			|| fcntl(client_fd, F_SETFD, flags|FD_CLOEXEC) == -1) {
+		sway_log_errno(L_ERROR, "Unable to set CLOEXEC on IPC client socket");
+		close(client_fd);
+		return 0;
+	}
+	if ((flags = fcntl(client_fd, F_GETFL)) == -1
+			|| fcntl(client_fd, F_SETFL, flags|O_NONBLOCK) == -1) {
+		sway_log_errno(L_ERROR, "Unable to set NONBLOCK on IPC client socket");
+		close(client_fd);
+		return 0;
+	}
+
+	struct ipc_client* client = malloc(sizeof(struct ipc_client));
+	if (!client) {
+		sway_log(L_ERROR, "Unable to allocate ipc client");
+		close(client_fd);
+		return 0;
+	}
+	client->payload_length = 0;
+	client->fd = client_fd;
+	client->subscribed_events = 0;
+	client->event_source = wl_event_loop_add_fd(server.wl_event_loop, client_fd,
+			WL_EVENT_READABLE, ipc_client_handle_readable, client);
+	client->writable_event_source = NULL;
+
+	client->write_buffer_size = 128;
+	client->write_buffer_len = 0;
+	client->write_buffer = malloc(client->write_buffer_size);
+	if (!client->write_buffer) {
+		sway_log(L_ERROR, "Unable to allocate ipc client write buffer");
+		close(client_fd);
+		return 0;
+	}
+
+	pid_t pid = get_client_pid(client->fd);
+	client->security_policy = get_ipc_policy_mask(pid);
+
+	sway_log(L_DEBUG, "New client: fd %d, pid %d", client_fd, pid);
+
+	list_add(ipc_client_list, client);
+
+	return 0;
+}
+
+static const int ipc_header_size = sizeof(ipc_magic)+8;
+
+int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) {
+	struct ipc_client *client = data;
+
+	if (mask & WL_EVENT_ERROR) {
+		sway_log(L_ERROR, "IPC Client socket error, removing client");
+		ipc_client_disconnect(client);
+		return 0;
+	}
+
+	if (mask & WL_EVENT_HANGUP) {
+		sway_log(L_DEBUG, "Client %d hung up", client->fd);
+		ipc_client_disconnect(client);
+		return 0;
+	}
+
+	sway_log(L_DEBUG, "Client %d readable", client->fd);
+
+	int read_available;
+	if (ioctl(client_fd, FIONREAD, &read_available) == -1) {
+		sway_log_errno(L_INFO, "Unable to read IPC socket buffer size");
+		ipc_client_disconnect(client);
+		return 0;
+	}
+
+	// Wait for the rest of the command payload in case the header has already been read
+	if (client->payload_length > 0) {
+		if ((uint32_t)read_available >= client->payload_length) {
+			ipc_client_handle_command(client);
+		}
+		return 0;
+	}
+
+	if (read_available < ipc_header_size) {
+		return 0;
+	}
+
+	uint8_t buf[ipc_header_size];
+	uint32_t *buf32 = (uint32_t*)(buf + sizeof(ipc_magic));
+	// Should be fully available, because read_available >= ipc_header_size
+	ssize_t received = recv(client_fd, buf, ipc_header_size, 0);
+	if (received == -1) {
+		sway_log_errno(L_INFO, "Unable to receive header from IPC client");
+		ipc_client_disconnect(client);
+		return 0;
+	}
+
+	if (memcmp(buf, ipc_magic, sizeof(ipc_magic)) != 0) {
+		sway_log(L_DEBUG, "IPC header check failed");
+		ipc_client_disconnect(client);
+		return 0;
+	}
+
+	client->payload_length = buf32[0];
+	client->current_command = (enum ipc_command_type)buf32[1];
+
+	if (read_available - received >= (long)client->payload_length) {
+		ipc_client_handle_command(client);
+	}
+
+	return 0;
+}
+
+int ipc_client_handle_writable(int client_fd, uint32_t mask, void *data) {
+	struct ipc_client *client = data;
+
+	if (mask & WL_EVENT_ERROR) {
+		sway_log(L_ERROR, "IPC Client socket error, removing client");
+		ipc_client_disconnect(client);
+		return 0;
+	}
+
+	if (mask & WL_EVENT_HANGUP) {
+		sway_log(L_DEBUG, "Client %d hung up", client->fd);
+		ipc_client_disconnect(client);
+		return 0;
+	}
+
+	if (client->write_buffer_len <= 0) {
+		return 0;
+	}
+
+	sway_log(L_DEBUG, "Client %d writable", client->fd);
+
+	ssize_t written = write(client->fd, client->write_buffer, client->write_buffer_len);
+
+	if (written == -1 && errno == EAGAIN) {
+		return 0;
+	} else if (written == -1) {
+		sway_log_errno(L_INFO, "Unable to send data from queue to IPC client");
+		ipc_client_disconnect(client);
+		return 0;
+	}
+
+	memmove(client->write_buffer, client->write_buffer + written, client->write_buffer_len - written);
+	client->write_buffer_len -= written;
+
+	if (client->write_buffer_len == 0 && client->writable_event_source) {
+		wl_event_source_remove(client->writable_event_source);
+		client->writable_event_source = NULL;
+	}
+
+	return 0;
+}
+
+void ipc_client_disconnect(struct ipc_client *client) {
+	if (!sway_assert(client != NULL, "client != NULL")) {
+		return;
+	}
+
+	if (client->fd != -1) {
+		shutdown(client->fd, SHUT_RDWR);
+	}
+
+	sway_log(L_INFO, "IPC Client %d disconnected", client->fd);
+	wl_event_source_remove(client->event_source);
+	if (client->writable_event_source) {
+		wl_event_source_remove(client->writable_event_source);
+	}
+	int i = 0;
+	while (i < ipc_client_list->length && ipc_client_list->items[i] != client) i++;
+	list_del(ipc_client_list, i);
+	free(client->write_buffer);
+	close(client->fd);
+	free(client);
+}
+
+bool output_by_name_test(swayc_t *view, void *data) {
+	char *name = (char *)data;
+	if (view->type != C_OUTPUT) {
+		return false;
+	}
+	return !strcmp(name, view->name);
+}
+
+// greedy wildcard (only "*") matching
+bool mime_type_matches(const char *mime_type, const char *pattern) {
+	const char *wildcard = NULL;
+	while (*mime_type && *pattern) {
+		if (*pattern == '*' && !wildcard) {
+			wildcard = pattern;
+			++pattern;
+		}
+
+		if (*mime_type != *pattern) {
+			if (!wildcard)
+				return false;
+
+			pattern = wildcard;
+			++mime_type;
+			continue;
+		}
+
+		++mime_type;
+		++pattern;
+	}
+
+	while (*pattern == '*') {
+		++pattern;
+	}
+
+	return (*mime_type == *pattern);
+}
+
+void ipc_client_handle_command(struct ipc_client *client) {
+	if (!sway_assert(client != NULL, "client != NULL")) {
+		return;
+	}
+
+	char *buf = malloc(client->payload_length + 1);
+	if (!buf) {
+		sway_log_errno(L_INFO, "Unable to allocate IPC payload");
+		ipc_client_disconnect(client);
+		return;
+	}
+	if (client->payload_length > 0) {
+		// Payload should be fully available
+		ssize_t received = recv(client->fd, buf, client->payload_length, 0);
+		if (received == -1)
+		{
+			sway_log_errno(L_INFO, "Unable to receive payload from IPC client");
+			ipc_client_disconnect(client);
+			free(buf);
+			return;
+		}
+	}
+	buf[client->payload_length] = '\0';
+
+	const char *error_denied = "{ \"success\": false, \"error\": \"Permission denied\" }";
+
+	switch (client->current_command) {
+	case IPC_COMMAND:
+	{
+		if (!(client->security_policy & IPC_FEATURE_COMMAND)) {
+			goto exit_denied;
+		}
+		struct cmd_results *results = handle_command(buf, CONTEXT_IPC);
+		const char *json = cmd_results_to_json(results);
+		char reply[256];
+		int length = snprintf(reply, sizeof(reply), "%s", json);
+		ipc_send_reply(client, reply, (uint32_t) length);
+		free_cmd_results(results);
+		goto exit_cleanup;
+	}
+
+	case IPC_SUBSCRIBE:
+	{
+		// TODO: Check if they're permitted to use these events
+		struct json_object *request = json_tokener_parse(buf);
+		if (request == NULL) {
+			ipc_send_reply(client, "{\"success\": false}", 18);
+			sway_log_errno(L_INFO, "Failed to read request");
+			goto exit_cleanup;
+		}
+
+		// parse requested event types
+		for (int i = 0; i < json_object_array_length(request); i++) {
+			const char *event_type = json_object_get_string(json_object_array_get_idx(request, i));
+			if (strcmp(event_type, "workspace") == 0) {
+				client->subscribed_events |= event_mask(IPC_EVENT_WORKSPACE);
+			} else if (strcmp(event_type, "barconfig_update") == 0) {
+				client->subscribed_events |= event_mask(IPC_EVENT_BARCONFIG_UPDATE);
+			} else if (strcmp(event_type, "mode") == 0) {
+				client->subscribed_events |= event_mask(IPC_EVENT_MODE);
+			} else if (strcmp(event_type, "window") == 0) {
+				client->subscribed_events |= event_mask(IPC_EVENT_WINDOW);
+			} else if (strcmp(event_type, "modifier") == 0) {
+				client->subscribed_events |= event_mask(IPC_EVENT_MODIFIER);
+			} else if (strcmp(event_type, "binding") == 0) {
+				client->subscribed_events |= event_mask(IPC_EVENT_BINDING);
+			} else {
+				ipc_send_reply(client, "{\"success\": false}", 18);
+				json_object_put(request);
+				sway_log_errno(L_INFO, "Failed to parse request");
+				goto exit_cleanup;
+			}
+		}
+
+		json_object_put(request);
+
+		ipc_send_reply(client, "{\"success\": true}", 17);
+		goto exit_cleanup;
+	}
+
+	case IPC_GET_WORKSPACES:
+	{
+		if (!(client->security_policy & IPC_FEATURE_GET_WORKSPACES)) {
+			goto exit_denied;
+		}
+		json_object *workspaces = json_object_new_array();
+		container_map(&root_container, ipc_get_workspaces_callback, workspaces);
+		const char *json_string = json_object_to_json_string(workspaces);
+		ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
+		json_object_put(workspaces); // free
+		goto exit_cleanup;
+	}
+
+	case IPC_GET_INPUTS:
+	{
+		if (!(client->security_policy & IPC_FEATURE_GET_INPUTS)) {
+			goto exit_denied;
+		}
+		json_object *inputs = json_object_new_array();
+		/* TODO WLR
+		if (input_devices) {
+			for(int i = 0; i<input_devices->length; i++) {
+				struct libinput_device *device = input_devices->items[i];
+				json_object_array_add(inputs, ipc_json_describe_input(device));
+			}
+		}
+		*/
+		const char *json_string = json_object_to_json_string(inputs);
+		ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
+		json_object_put(inputs);
+		goto exit_cleanup;
+	}
+
+	case IPC_GET_OUTPUTS:
+	{
+		if (!(client->security_policy & IPC_FEATURE_GET_OUTPUTS)) {
+			goto exit_denied;
+		}
+		json_object *outputs = json_object_new_array();
+		container_map(&root_container, ipc_get_outputs_callback, outputs);
+		const char *json_string = json_object_to_json_string(outputs);
+		ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
+		json_object_put(outputs); // free
+		goto exit_cleanup;
+	}
+
+	case IPC_GET_TREE:
+	{
+		if (!(client->security_policy & IPC_FEATURE_GET_TREE)) {
+			goto exit_denied;
+		}
+		json_object *tree = ipc_json_describe_container_recursive(&root_container);
+		const char *json_string = json_object_to_json_string(tree);
+		ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
+		json_object_put(tree);
+		goto exit_cleanup;
+	}
+
+	case IPC_GET_MARKS:
+	{
+		if (!(client->security_policy & IPC_FEATURE_GET_MARKS)) {
+			goto exit_denied;
+		}
+		json_object *marks = json_object_new_array();
+		container_map(&root_container, ipc_get_marks_callback, marks);
+		const char *json_string = json_object_to_json_string(marks);
+		ipc_send_reply(client, json_string, (uint32_t) strlen(json_string));
+		json_object_put(marks);
+		goto exit_cleanup;
+	}
+
+	case IPC_GET_VERSION:
+	{
+		json_object *version = ipc_json_get_version();
+		const char *json_string = json_object_to_json_string(version);
+		ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
+		json_object_put(version); // free
+		goto exit_cleanup;
+	}
+
+	case IPC_GET_BAR_CONFIG:
+	{
+		if (!(client->security_policy & IPC_FEATURE_GET_BAR_CONFIG)) {
+			goto exit_denied;
+		}
+		if (!buf[0]) {
+			// Send list of configured bar IDs
+			json_object *bars = json_object_new_array();
+			int i;
+			for (i = 0; i < config->bars->length; ++i) {
+				struct bar_config *bar = config->bars->items[i];
+				json_object_array_add(bars, json_object_new_string(bar->id));
+			}
+			const char *json_string = json_object_to_json_string(bars);
+			ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
+			json_object_put(bars); // free
+		} else {
+			// Send particular bar's details
+			struct bar_config *bar = NULL;
+			int i;
+			for (i = 0; i < config->bars->length; ++i) {
+				bar = config->bars->items[i];
+				if (strcmp(buf, bar->id) == 0) {
+					break;
+				}
+				bar = NULL;
+			}
+			if (!bar) {
+				const char *error = "{ \"success\": false, \"error\": \"No bar with that ID\" }";
+				ipc_send_reply(client, error, (uint32_t)strlen(error));
+				goto exit_cleanup;
+			}
+			json_object *json = ipc_json_describe_bar_config(bar);
+			const char *json_string = json_object_to_json_string(json);
+			ipc_send_reply(client, json_string, (uint32_t)strlen(json_string));
+			json_object_put(json); // free
+		}
+		goto exit_cleanup;
+	}
+
+	case IPC_GET_CLIPBOARD:
+		// TODO WLR
+		break;
+
+	default:
+		sway_log(L_INFO, "Unknown IPC command type %i", client->current_command);
+		goto exit_cleanup;
+	}
+
+exit_denied:
+	ipc_send_reply(client, error_denied, (uint32_t)strlen(error_denied));
+	sway_log(L_DEBUG, "Denied IPC client access to %i", client->current_command);
+
+exit_cleanup:
+	client->payload_length = 0;
+	free(buf);
+	return;
+}
+
+bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t payload_length) {
+	assert(payload);
+
+	char data[ipc_header_size];
+	uint32_t *data32 = (uint32_t*)(data + sizeof(ipc_magic));
+
+	memcpy(data, ipc_magic, sizeof(ipc_magic));
+	data32[0] = payload_length;
+	data32[1] = client->current_command;
+
+	while (client->write_buffer_len + ipc_header_size + payload_length >=
+				 client->write_buffer_size) {
+		client->write_buffer_size *= 2;
+	}
+
+	// TODO: reduce the limit back to 4 MB when screenshooter is implemented
+	if (client->write_buffer_size > (1 << 28)) { // 256 MB
+		sway_log(L_ERROR, "Client write buffer too big, disconnecting client");
+		ipc_client_disconnect(client);
+		return false;
+	}
+
+	char *new_buffer = realloc(client->write_buffer, client->write_buffer_size);
+	if (!new_buffer) {
+		sway_log(L_ERROR, "Unable to reallocate ipc client write buffer");
+		ipc_client_disconnect(client);
+		return false;
+	}
+	client->write_buffer = new_buffer;
+
+	memcpy(client->write_buffer + client->write_buffer_len, data, ipc_header_size);
+	client->write_buffer_len += ipc_header_size;
+	memcpy(client->write_buffer + client->write_buffer_len, payload, payload_length);
+	client->write_buffer_len += payload_length;
+
+	if (!client->writable_event_source) {
+		client->writable_event_source = wl_event_loop_add_fd(
+				server.wl_event_loop, client->fd, WL_EVENT_WRITABLE,
+				ipc_client_handle_writable, client);
+	}
+
+	sway_log(L_DEBUG, "Added IPC reply to client %d queue: %s", client->fd, payload);
+
+	return true;
+}
+
+void ipc_get_workspaces_callback(swayc_t *workspace, void *data) {
+	if (workspace->type == C_WORKSPACE) {
+		json_object *workspace_json = ipc_json_describe_container(workspace);
+		// override the default focused indicator because
+		// it's set differently for the get_workspaces reply
+		bool focused = root_container.focused == workspace->parent && workspace->parent->focused == workspace;
+		json_object_object_del(workspace_json, "focused");
+		json_object_object_add(workspace_json, "focused", json_object_new_boolean(focused));
+		json_object_array_add((json_object *)data, workspace_json);
+	}
+}
+
+void ipc_get_outputs_callback(swayc_t *container, void *data) {
+	if (container->type == C_OUTPUT) {
+		json_object_array_add((json_object *)data, ipc_json_describe_container(container));
+	}
+}
+
+static void ipc_get_marks_callback(swayc_t *container, void *data) {
+	json_object *object = (json_object *)data;
+	if (container->marks) {
+		for (int i = 0; i < container->marks->length; ++i) {
+			char *mark = (char *)container->marks->items[i];
+			json_object_array_add(object, json_object_new_string(mark));
+		}
+	}
+}
+
+void ipc_send_event(const char *json_string, enum ipc_command_type event) {
+	static struct {
+		enum ipc_command_type event;
+		enum ipc_feature feature;
+	} security_mappings[] = {
+		{ IPC_EVENT_WORKSPACE, IPC_FEATURE_EVENT_WORKSPACE },
+		{ IPC_EVENT_OUTPUT, IPC_FEATURE_EVENT_OUTPUT },
+		{ IPC_EVENT_MODE, IPC_FEATURE_EVENT_MODE },
+		{ IPC_EVENT_WINDOW, IPC_FEATURE_EVENT_WINDOW },
+		{ IPC_EVENT_BINDING, IPC_FEATURE_EVENT_BINDING },
+		{ IPC_EVENT_INPUT, IPC_FEATURE_EVENT_INPUT }
+	};
+
+	uint32_t security_mask = 0;
+	for (size_t i = 0; i < sizeof(security_mappings) / sizeof(security_mappings[0]); ++i) {
+		if (security_mappings[i].event == event) {
+			security_mask = security_mappings[i].feature;
+			break;
+		}
+	}
+
+	int i;
+	struct ipc_client *client;
+	for (i = 0; i < ipc_client_list->length; i++) {
+		client = ipc_client_list->items[i];
+		if (!(client->security_policy & security_mask)) {
+			continue;
+		}
+		if ((client->subscribed_events & event_mask(event)) == 0) {
+			continue;
+		}
+		client->current_command = event;
+		if (!ipc_send_reply(client, json_string, (uint32_t) strlen(json_string))) {
+			sway_log_errno(L_INFO, "Unable to send reply to IPC client");
+			ipc_client_disconnect(client);
+		}
+	}
+}
+
+void ipc_event_workspace(swayc_t *old, swayc_t *new, const char *change) {
+	sway_log(L_DEBUG, "Sending workspace::%s event", change);
+	json_object *obj = json_object_new_object();
+	json_object_object_add(obj, "change", json_object_new_string(change));
+	if (strcmp("focus", change) == 0) {
+		if (old) {
+			json_object_object_add(obj, "old", ipc_json_describe_container_recursive(old));
+		} else {
+			json_object_object_add(obj, "old", NULL);
+		}
+	}
+
+	if (new) {
+		json_object_object_add(obj, "current", ipc_json_describe_container_recursive(new));
+	} else {
+		json_object_object_add(obj, "current", NULL);
+	}
+
+	const char *json_string = json_object_to_json_string(obj);
+	ipc_send_event(json_string, IPC_EVENT_WORKSPACE);
+
+	json_object_put(obj); // free
+}
+
+void ipc_event_window(swayc_t *window, const char *change) {
+	sway_log(L_DEBUG, "Sending window::%s event", change);
+	json_object *obj = json_object_new_object();
+	json_object_object_add(obj, "change", json_object_new_string(change));
+	json_object_object_add(obj, "container", ipc_json_describe_container_recursive(window));
+
+	const char *json_string = json_object_to_json_string(obj);
+	ipc_send_event(json_string, IPC_EVENT_WINDOW);
+
+	json_object_put(obj); // free
+}
+
+void ipc_event_barconfig_update(struct bar_config *bar) {
+	sway_log(L_DEBUG, "Sending barconfig_update event");
+	json_object *json = ipc_json_describe_bar_config(bar);
+	const char *json_string = json_object_to_json_string(json);
+	ipc_send_event(json_string, IPC_EVENT_BARCONFIG_UPDATE);
+
+	json_object_put(json); // free
+}
+
+void ipc_event_mode(const char *mode) {
+	sway_log(L_DEBUG, "Sending mode::%s event", mode);
+	json_object *obj = json_object_new_object();
+	json_object_object_add(obj, "change", json_object_new_string(mode));
+
+	const char *json_string = json_object_to_json_string(obj);
+	ipc_send_event(json_string, IPC_EVENT_MODE);
+
+	json_object_put(obj); // free
+}
+
+void ipc_event_modifier(uint32_t modifier, const char *state) {
+	sway_log(L_DEBUG, "Sending modifier::%s event", state);
+	json_object *obj = json_object_new_object();
+	json_object_object_add(obj, "change", json_object_new_string(state));
+
+	const char *modifier_name = get_modifier_name_by_mask(modifier);
+	json_object_object_add(obj, "modifier", json_object_new_string(modifier_name));
+
+	const char *json_string = json_object_to_json_string(obj);
+	ipc_send_event(json_string, IPC_EVENT_MODIFIER);
+
+	json_object_put(obj); // free
+}
+
+static void ipc_event_binding(json_object *sb_obj) {
+	sway_log(L_DEBUG, "Sending binding::run event");
+	json_object *obj = json_object_new_object();
+	json_object_object_add(obj, "change", json_object_new_string("run"));
+	json_object_object_add(obj, "binding", sb_obj);
+
+	const char *json_string = json_object_to_json_string(obj);
+	ipc_send_event(json_string, IPC_EVENT_BINDING);
+
+	json_object_put(obj); // free
+}
+
+void ipc_event_binding_keyboard(struct sway_binding *sb) {
+	json_object *sb_obj = json_object_new_object();
+	json_object_object_add(sb_obj, "command", json_object_new_string(sb->command));
+
+	const char *names[10];
+
+	int len = get_modifier_names(names, sb->modifiers);
+	int i;
+	json_object *modifiers = json_object_new_array();
+	for (i = 0; i < len; ++i) {
+		json_object_array_add(modifiers, json_object_new_string(names[i]));
+	}
+
+	json_object_object_add(sb_obj, "event_state_mask", modifiers);
+
+	json_object *input_codes = json_object_new_array();
+	int input_code = 0;
+	json_object *symbols = json_object_new_array();
+	json_object *symbol = NULL;
+
+	if (sb->bindcode) { // bindcode: populate input_codes
+		uint32_t keycode;
+		for (i = 0; i < sb->keys->length; ++i) {
+			keycode = *(uint32_t *)sb->keys->items[i];
+			json_object_array_add(input_codes, json_object_new_int(keycode));
+			if (i == 0) {
+				input_code = keycode;
+			}
+		}
+	} else { // bindsym: populate symbols
+		uint32_t keysym;
+		char buffer[64];
+		for (i = 0; i < sb->keys->length; ++i) {
+			keysym = *(uint32_t *)sb->keys->items[i];
+			if (xkb_keysym_get_name(keysym, buffer, 64) > 0) {
+				json_object *str = json_object_new_string(buffer);
+				json_object_array_add(symbols, str);
+				if (i == 0) {
+					symbol = str;
+				}
+			}
+		}
+	}
+
+	json_object_object_add(sb_obj, "input_codes", input_codes);
+	json_object_object_add(sb_obj, "input_code", json_object_new_int(input_code));
+	json_object_object_add(sb_obj, "symbols", symbols);
+	json_object_object_add(sb_obj, "symbol", symbol);
+	json_object_object_add(sb_obj, "input_type", json_object_new_string("keyboard"));
+
+	ipc_event_binding(sb_obj);
+}