diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vdagentd.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/vdagentd.c b/src/vdagentd.c index 2eb97cb..1098fb6 100644 --- a/src/vdagentd.c +++ b/src/vdagentd.c @@ -74,6 +74,7 @@ static int agent_owns_clipboard[256] = { 0, }; static int quit = 0; static int retval = 0; static int client_connected = 0; +static int max_clipboard = -1; /* utility functions */ /* vdagentd <-> spice-client communication handling */ @@ -98,6 +99,7 @@ static void send_capabilities(struct vdagent_virtio_port *vport, VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_CAP_CLIPBOARD_SELECTION); VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_CAP_SPARSE_MONITORS_CONFIG); VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_CAP_GUEST_LINEEND_LF); + VD_AGENT_SET_CAPABILITY(caps->caps, VD_AGENT_CAP_MAX_CLIPBOARD); vdagent_virtio_port_write(vport, VDP_CLIENT_PORT, VD_AGENT_ANNOUNCE_CAPABILITIES, 0, @@ -369,6 +371,13 @@ int virtio_port_read_complete( vdagent_virtio_port_reset(vport, VDP_CLIENT_PORT); do_client_disconnect(); break; + case VD_AGENT_MAX_CLIPBOARD: + if (message_header->size != sizeof(VDAgentMaxClipboard)) + goto size_error; + VDAgentMaxClipboard *msg = (VDAgentMaxClipboard *)data; + syslog(LOG_DEBUG, "Set max clipboard: %d", msg->max); + max_clipboard = msg->max; + break; default: syslog(LOG_WARNING, "unknown message type %d, ignoring", message_header->type); @@ -453,6 +462,12 @@ int do_agent_clipboard(struct udscs_connection *conn, case VDAGENTD_CLIPBOARD_DATA: msg_type = VD_AGENT_CLIPBOARD; data_type = header->arg2; + if (max_clipboard != -1 && size > max_clipboard) { + syslog(LOG_WARNING, "clipboard is too large (%d > %d), discarding", + size, max_clipboard); + virtio_write_clipboard(selection, msg_type, data_type, NULL, 0); + return 0; + } break; case VDAGENTD_CLIPBOARD_RELEASE: msg_type = VD_AGENT_CLIPBOARD_RELEASE; |