diff --git a/sway/ipc.c b/sway/ipc.c index 4c87101c..c8e424e3 100644 --- a/sway/ipc.c +++ b/sway/ipc.c @@ -98,7 +98,8 @@ struct sockaddr_un *ipc_user_sockaddr(void) { int path_size = sizeof(ipc_sockaddr->sun_path); // Without logind: - int allocating_path_size = snprintf(ipc_sockaddr->sun_path, path_size, "/tmp/sway-ipc.%i.sock", getuid()); + int allocating_path_size = snprintf(ipc_sockaddr->sun_path, path_size, + "/tmp/sway-ipc.%i.%i.sock", getuid(), getpid()); if (allocating_path_size >= path_size) { sway_abort("socket path won't fit into ipc_sockaddr->sun_path"); @@ -176,7 +177,8 @@ int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) { return 0; } - char buf[ipc_header_size]; + uint8_t buf[ipc_header_size]; + uint32_t *buf32 = (uint32_t*)(buf + sizeof(ipc_magic)); 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"); @@ -190,8 +192,8 @@ int ipc_client_handle_readable(int client_fd, uint32_t mask, void *data) { return 0; } - client->payload_length = *(uint32_t *)&buf[sizeof(ipc_magic)]; - client->current_command = (enum ipc_command_type) *(uint32_t *)&buf[sizeof(ipc_magic)+4]; + client->payload_length = buf32[0]; + client->current_command = (enum ipc_command_type)buf32[1]; if (read_available - received >= client->payload_length) { ipc_client_handle_command(client); @@ -336,10 +338,11 @@ bool ipc_send_reply(struct ipc_client *client, const char *payload, uint32_t pay assert(payload); char data[ipc_header_size]; + uint32_t *data32 = (uint32_t*)(data + sizeof(ipc_magic)); memcpy(data, ipc_magic, sizeof(ipc_magic)); - *(uint32_t *)&(data[sizeof(ipc_magic)]) = payload_length; - *(uint32_t *)&(data[sizeof(ipc_magic)+4]) = client->current_command; + data32[0] = payload_length; + data32[1] = client->current_command; if (write(client->fd, data, ipc_header_size) == -1) { sway_log_errno(L_INFO, "Unable to send header to IPC client");