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/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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Protocol services - Clipboard functions |
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Copyright (C) Erik Forsberg <forsberg@cendio.se> 2003 |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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*/ |
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#include <X11/Xlib.h> |
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#include <X11/Xatom.h> |
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#include <sys/time.h> |
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#include <sys/types.h> |
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#include <unistd.h> |
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#include "rdesktop.h" |
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extern BOOL encryption; |
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extern Display *display; |
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extern Window wnd; |
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extern Time last_gesturetime; |
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extern Atom ipc_atom; |
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|
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// static Time selection_timestamp; |
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static Atom clipboard_atom, primary_atom, targets_atom, timestamp_atom; |
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static Atom rdesktop_clipboard_target_atom, incr_atom; |
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static cliprdr_dataformat *server_formats = NULL; |
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static uint16 num_server_formats = 0; |
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static XSelectionEvent selection_event; |
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static uint16 clipboard_channelno; |
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static Atom targets[NUM_TARGETS]; |
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static int have_primary = 0; |
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static int rdesktop_is_selection_owner = 0; |
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|
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static void |
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cliprdr_print_server_formats(void) |
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{ |
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#ifdef WITH_DEBUG_CLIPBOARD |
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cliprdr_dataformat *this; |
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uint16 i = 0; |
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this = server_formats; |
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DEBUG_CLIPBOARD(("There should be %d server formats.\n", num_server_formats)); |
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while (NULL != this) |
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{ |
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DEBUG_CLIPBOARD(("Format code %d\n", this->identifier)); |
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i++; |
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this = this->next; |
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} |
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DEBUG_CLIPBOARD(("There were %d server formats.\n", i)); |
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#endif |
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} |
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|
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/* |
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static void |
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cliprdr_set_selection_timestamp(void) |
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{ |
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XEvent xev; |
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DEBUG_CLIPBOARD(("Changing a property in order to get a timestamp\n")); |
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fflush(stdout); |
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XChangeProperty(display, wnd, rdesktop_clipboard_target_atom, |
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XA_ATOM, 32, PropModeAppend, 0, 0); |
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DEBUG_CLIPBOARD(("Waiting for PropertyChange on wnd\n")); |
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fflush(stdout); |
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XWindowEvent(display, wnd, |
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PropertyChangeMask, &xev); |
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DEBUG_CLIPBOARD(("Setting selection_timestamp\n")); |
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fflush(stdout); |
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selection_timestamp = xev.xproperty.time; |
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} |
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*/ |
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|
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static void |
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cliprdr_send_format_announce(void) |
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{ |
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STREAM s; |
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int number_of_formats = 1; |
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DEBUG_CLIPBOARD(("Sending (empty) format announce\n")); |
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s = sec_init(encryption ? SEC_ENCRYPT : 0, number_of_formats * 36 + 12 + 4 + 4); |
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out_uint32_le(s, number_of_formats * 36 + 12); |
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out_uint32_le(s, 0x13); |
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out_uint16_le(s, 2); |
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out_uint16_le(s, 0); |
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out_uint32_le(s, number_of_formats * 36); |
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|
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// out_uint32_le(s, 0xd); // FIXME: This is a rather bogus unicode text description.. |
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// rdp_out_unistr(s, "", 16); |
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// out_uint8s(s, 32); |
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|
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out_uint32_le(s, 1); // FIXME: This is a rather bogus text description.. |
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out_uint8s(s, 32); |
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out_uint32_le(s, 0); |
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s_mark_end(s); |
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sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, clipboard_channelno); |
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} |
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void |
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cliprdr_ipc_format_announce(unsigned char *data, uint16 length) |
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{ |
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STREAM s; |
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rdesktop_is_selection_owner = 1; |
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DEBUG_CLIPBOARD(("cliprdr_ipc_format_announce called, length is %d, data is %s, sending native format announce\n", length, data)); |
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|
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s = sec_init(encryption ? SEC_ENCRYPT : 0, length + 12 + 4 + 4); |
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out_uint32_le(s, length + 12); |
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out_uint32_le(s, 0x13); |
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out_uint16_le(s, 2); |
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out_uint16_le(s, 0); |
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out_uint32_le(s, length); |
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out_uint8p(s, data, length); |
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out_uint32_le(s, 0); // Pad |
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s_mark_end(s); |
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sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, clipboard_channelno); |
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} |
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static void |
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cliprdr_send_empty_datapacket(void) |
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{ |
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STREAM out; |
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out = sec_init(encryption ? SEC_ENCRYPT : 0, 20); |
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out_uint32_le(out, 12); |
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out_uint32_le(out, 0x13); |
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out_uint16_le(out, 5); |
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out_uint16_le(out, 1); |
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out_uint32_le(out, 0); |
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/* Insert null string here? */ |
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out_uint32_le(out, 0); |
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s_mark_end(out); |
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|
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sec_send_to_channel(out, encryption ? SEC_ENCRYPT : 0, clipboard_channelno); |
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} |
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void |
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cliprdr_handle_SelectionNotify(XSelectionEvent * event) |
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{ |
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|
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unsigned char *data, *datap; |
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unsigned long nitems, bytes_left; |
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unsigned long bytes_left_to_transfer; |
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int res, i; |
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int format; |
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Atom type_return; |
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Atom best_target, text_target; |
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Atom *supported_targets; |
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|
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STREAM out; |
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|
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DEBUG_CLIPBOARD(("cliprdr_handle_SelectionNotify\n")); |
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|
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if (None == event->property) |
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{ |
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cliprdr_send_empty_datapacket(); |
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return; /* Selection failed */ |
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} |
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DEBUG_CLIPBOARD(("selection: %s, target: %s, property: %s\n", |
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XGetAtomName(display, event->selection), |
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XGetAtomName(display, event->target), |
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XGetAtomName(display, event->property))); |
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if (targets_atom == event->target) |
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{ |
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/* Response to TARGETS request. Let's find the target |
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we want and request that */ |
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res = XGetWindowProperty(display, wnd, |
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rdesktop_clipboard_target_atom, |
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0L, 4096L, False, AnyPropertyType, |
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&type_return, &format, &nitems, &bytes_left, &data); |
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|
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if (Success != res) |
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{ |
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DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
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cliprdr_send_empty_datapacket(); |
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return; |
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} |
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if (None == type_return) |
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/* The owner might no support TARGETS. Just try |
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STRING */ |
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best_target = XA_STRING; |
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else |
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{ |
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/* FIXME: We should choose format here based |
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on what the server wanted */ |
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supported_targets = (Atom *) data; |
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best_target = XInternAtom(display, "STRING", False); |
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text_target = XInternAtom(display, "TEXT", False); |
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for (i = 0; i < nitems; i++) |
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{ |
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DEBUG_CLIPBOARD(("Target %d: %s\n", |
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i, XGetAtomName(display, supported_targets[i]))); |
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if (text_target == supported_targets[i]) |
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{ |
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DEBUG_CLIPBOARD(("Other party supports TEXT, choosing that as best_target\n")); |
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best_target = supported_targets[i]; |
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} |
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} |
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|
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} |
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XConvertSelection(display, primary_atom, |
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best_target, rdesktop_clipboard_target_atom, wnd, event->time); |
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|
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} |
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|
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else /* Other clipboard data */ |
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{ |
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|
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res = XGetWindowProperty(display, wnd, |
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rdesktop_clipboard_target_atom, |
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0L, 0x1FFFFFF, |
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True, AnyPropertyType, |
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&type_return, &format, &nitems, &bytes_left, &data); |
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|
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|
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/* FIXME: We need to handle INCR as well, |
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this is a temporary solution. */ |
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|
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if (incr_atom == type_return) |
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{ |
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warning("We don't support INCR transfers at this time. Try cutting less data\n"); |
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cliprdr_send_empty_datapacket(); |
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} |
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if (Success != res) |
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{ |
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DEBUG_CLIPBOARD(("XGetWindowProperty failed!\n")); |
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cliprdr_send_empty_datapacket(); |
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return; |
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} |
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datap = data; |
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if (nitems + 1 <= MAX_CLIPRDR_STANDALONE_DATASIZE) |
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{ |
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out = sec_init(encryption ? SEC_ENCRYPT : 0, 20 + nitems + 1); |
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out_uint32_le(out, 12 + nitems + 1); |
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out_uint32_le(out, 0x13); |
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out_uint16_le(out, 5); |
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out_uint16_le(out, 1); |
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out_uint32_le(out, nitems + 1); |
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out_uint8p(out, datap, nitems + 1); |
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out_uint32_le(out, 0); |
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s_mark_end(out); |
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|
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sec_send_to_channel(out, encryption ? SEC_ENCRYPT : 0, clipboard_channelno); |
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} |
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else |
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{ |
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DEBUG_CLIPBOARD(("Sending %d bytes of data\n", |
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16 + MAX_CLIPRDR_STANDALONE_DATASIZE)); |
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out = sec_init(encryption ? SEC_ENCRYPT : 0, |
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16 + MAX_CLIPRDR_STANDALONE_DATASIZE); |
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out_uint32_le(out, nitems + 12); |
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out_uint32_le(out, 0x11); |
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out_uint16_le(out, 5); |
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out_uint16_le(out, 1); |
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out_uint32_le(out, nitems); |
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out_uint8p(out, datap, MAX_CLIPRDR_STANDALONE_DATASIZE); |
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s_mark_end(out); |
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sec_send_to_channel(out, encryption ? SEC_ENCRYPT : 0, clipboard_channelno); |
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|
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bytes_left_to_transfer = nitems - MAX_CLIPRDR_STANDALONE_DATASIZE; |
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datap += MAX_CLIPRDR_STANDALONE_DATASIZE; |
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|
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while (bytes_left_to_transfer > MAX_CLIPRDR_STANDALONE_DATASIZE) |
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{ |
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DEBUG_CLIPBOARD(("Sending %d bytes of data\n", |
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16 + MAX_CLIPRDR_CONTINUATION_DATASIZE)); |
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out = sec_init(encryption ? SEC_ENCRYPT : 0, |
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8 + MAX_CLIPRDR_CONTINUATION_DATASIZE); |
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out_uint32_le(out, nitems); |
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out_uint32_le(out, 0x10); |
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out_uint8p(out, datap, MAX_CLIPRDR_CONTINUATION_DATASIZE); |
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s_mark_end(out); |
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|
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sec_send_to_channel(out, |
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encryption ? SEC_ENCRYPT : 0, |
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clipboard_channelno); |
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bytes_left_to_transfer -= MAX_CLIPRDR_CONTINUATION_DATASIZE; |
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datap += MAX_CLIPRDR_CONTINUATION_DATASIZE; |
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|
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} |
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DEBUG_CLIPBOARD(("Sending %u bytes of data\n", |
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12 + bytes_left_to_transfer)); |
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out = sec_init(encryption ? SEC_ENCRYPT : 0, 12 + bytes_left_to_transfer); |
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out_uint32_le(out, nitems); |
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out_uint32_le(out, 0x12); |
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out_uint8p(out, datap, bytes_left_to_transfer); |
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out_uint32_le(out, 0x0); |
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s_mark_end(out); |
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|
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sec_send_to_channel(out, encryption ? SEC_ENCRYPT : 0, clipboard_channelno); |
318 |
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|
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} |
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XFree(data); |
323 |
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if (!rdesktop_is_selection_owner) |
324 |
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cliprdr_send_format_announce(); |
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|
326 |
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} |
327 |
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|
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|
329 |
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} |
330 |
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|
331 |
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void |
332 |
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cliprdr_handle_SelectionClear(void) |
333 |
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{ |
334 |
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DEBUG_CLIPBOARD(("cliprdr_handle_SelectionClear\n")); |
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have_primary = 0; |
336 |
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ipc_send_message(RDESKTOP_IPC_CLIPRDR_PRIMARY_LOST, "", 0); |
337 |
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cliprdr_send_format_announce(); |
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} |
339 |
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|
340 |
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|
341 |
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static void |
342 |
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cliprdr_request_clipboard_data(uint32 formatcode) |
343 |
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{ |
344 |
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STREAM s; |
345 |
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s = sec_init(encryption ? SEC_ENCRYPT : 0, 24); |
346 |
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out_uint32_le(s, 16); |
347 |
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out_uint32_le(s, 0x13); |
348 |
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out_uint16_le(s, 4); |
349 |
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out_uint16_le(s, 0); |
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out_uint32_le(s, 4); // Remaining length |
351 |
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out_uint32_le(s, formatcode); |
352 |
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out_uint32_le(s, 0); // Unknown. Garbage pad? |
353 |
forsberg |
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|
354 |
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s_mark_end(s); |
355 |
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|
356 |
forsberg |
396 |
sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, clipboard_channelno); |
357 |
forsberg |
384 |
} |
358 |
|
|
|
359 |
|
|
|
360 |
forsberg |
383 |
void |
361 |
forsberg |
396 |
cliprdr_handle_SelectionRequest(XSelectionRequestEvent * xevent) |
362 |
forsberg |
383 |
{ |
363 |
|
|
|
364 |
|
|
XSelectionEvent xev; |
365 |
forsberg |
396 |
unsigned long nitems, bytes_left; |
366 |
|
|
Atom type_return; |
367 |
forsberg |
394 |
uint32 *wanted_formatcode; |
368 |
|
|
int format; |
369 |
forsberg |
396 |
|
370 |
forsberg |
383 |
DEBUG_CLIPBOARD(("cliprdr_handle_SelectionRequest\n")); |
371 |
forsberg |
396 |
DEBUG_CLIPBOARD(("Requestor window id 0x%x ", (unsigned) xevent->requestor)); |
372 |
|
|
if (clipboard_atom == xevent->selection) |
373 |
|
|
{ |
374 |
forsberg |
383 |
DEBUG_CLIPBOARD(("wants CLIPBOARD\n")); |
375 |
forsberg |
396 |
} |
376 |
|
|
if (primary_atom == xevent->selection) |
377 |
|
|
{ |
378 |
forsberg |
383 |
DEBUG_CLIPBOARD(("wants PRIMARY\n")); |
379 |
forsberg |
396 |
} |
380 |
|
|
DEBUG_CLIPBOARD(("Target is %s (0x%x), property is %s (0x%x)\n", |
381 |
|
|
XGetAtomName(display, xevent->target), |
382 |
|
|
(unsigned) xevent->target, |
383 |
|
|
XGetAtomName(display, xevent->property), (unsigned) xevent->property)); |
384 |
forsberg |
383 |
|
385 |
|
|
xev.type = SelectionNotify; |
386 |
|
|
xev.serial = 0; |
387 |
|
|
xev.send_event = True; |
388 |
|
|
xev.requestor = xevent->requestor; |
389 |
|
|
xev.selection = xevent->selection; |
390 |
|
|
xev.target = xevent->target; |
391 |
|
|
xev.property = xevent->property; |
392 |
|
|
xev.time = xevent->time; |
393 |
|
|
|
394 |
forsberg |
394 |
memcpy(&selection_event, &xev, sizeof(xev)); |
395 |
|
|
|
396 |
|
|
if (ipc_atom == xevent->target) |
397 |
forsberg |
383 |
{ |
398 |
forsberg |
394 |
DEBUG_CLIPBOARD(("Target atom is ipc_atom, getting INTEGER from requestor\n")); |
399 |
|
|
XGetWindowProperty(display, xevent->requestor, |
400 |
|
|
rdesktop_clipboard_target_atom, |
401 |
forsberg |
396 |
0, |
402 |
forsberg |
394 |
1, |
403 |
|
|
True, XA_INTEGER, |
404 |
|
|
&type_return, |
405 |
forsberg |
396 |
&format, |
406 |
|
|
&nitems, &bytes_left, (unsigned char **) &wanted_formatcode); |
407 |
|
|
DEBUG_CLIPBOARD(("Got wanted formatcode %d, format is %d\n", *wanted_formatcode, |
408 |
|
|
format)); |
409 |
forsberg |
394 |
cliprdr_request_clipboard_data(*wanted_formatcode); |
410 |
|
|
} |
411 |
|
|
|
412 |
forsberg |
396 |
else if (targets_atom == xevent->target) |
413 |
forsberg |
394 |
{ |
414 |
forsberg |
383 |
DEBUG_CLIPBOARD(("TARGETS requested, sending list..\n")); |
415 |
forsberg |
396 |
XChangeProperty(display, |
416 |
forsberg |
391 |
xevent->requestor, |
417 |
|
|
xevent->property, |
418 |
|
|
XA_ATOM, |
419 |
forsberg |
396 |
32, PropModeAppend, (unsigned char *) &targets, NUM_TARGETS); |
420 |
forsberg |
383 |
|
421 |
forsberg |
396 |
XSendEvent(display, xevent->requestor, False, NoEventMask, (XEvent *) & xev); |
422 |
forsberg |
383 |
return; |
423 |
forsberg |
396 |
} |
424 |
|
|
else if (timestamp_atom == xevent->target) |
425 |
forsberg |
383 |
{ |
426 |
forsberg |
395 |
DEBUG_CLIPBOARD(("Sending TIMESTAMP\n")); |
427 |
forsberg |
396 |
XChangeProperty(display, |
428 |
forsberg |
391 |
xevent->requestor, |
429 |
|
|
xevent->property, |
430 |
|
|
XA_INTEGER, |
431 |
forsberg |
396 |
32, PropModeAppend, (unsigned char *) &last_gesturetime, 1); |
432 |
|
|
XSendEvent(display, xevent->requestor, False, NoEventMask, (XEvent *) & xev); |
433 |
|
|
} |
434 |
|
|
else /* Some other target */ |
435 |
forsberg |
383 |
{ |
436 |
forsberg |
384 |
cliprdr_request_clipboard_data(CF_TEXT); |
437 |
|
|
/* Return and wait for data, handled by |
438 |
|
|
cliprdr_handle_server_data */ |
439 |
|
|
} |
440 |
|
|
} |
441 |
forsberg |
383 |
|
442 |
|
|
|
443 |
forsberg |
396 |
static void |
444 |
|
|
cliprdr_ack_format_list(void) |
445 |
forsberg |
384 |
{ |
446 |
|
|
STREAM s; |
447 |
|
|
s = sec_init(encryption ? SEC_ENCRYPT : 0, 20); |
448 |
|
|
out_uint32_le(s, 12); |
449 |
|
|
out_uint32_le(s, 0x13); |
450 |
|
|
out_uint16_le(s, 3); |
451 |
|
|
out_uint16_le(s, 1); |
452 |
|
|
out_uint32_le(s, 0); |
453 |
|
|
out_uint32_le(s, 0x0000c0da); |
454 |
|
|
|
455 |
|
|
s_mark_end(s); |
456 |
|
|
|
457 |
forsberg |
396 |
sec_send_to_channel(s, encryption ? SEC_ENCRYPT : 0, clipboard_channelno); |
458 |
forsberg |
383 |
} |
459 |
|
|
|
460 |
|
|
|
461 |
forsberg |
384 |
|
462 |
|
|
|
463 |
forsberg |
396 |
|
464 |
forsberg |
383 |
static void |
465 |
forsberg |
396 |
cliprdr_register_server_formats(STREAM s) |
466 |
forsberg |
383 |
{ |
467 |
|
|
uint32 remaining_length, pad; |
468 |
|
|
uint16 num_formats; |
469 |
|
|
cliprdr_dataformat *this, *next; |
470 |
|
|
|
471 |
|
|
in_uint32_le(s, remaining_length); |
472 |
forsberg |
396 |
DEBUG_CLIPBOARD(("cliprdr_register_server_formats, remaining_length is %d\n", |
473 |
|
|
remaining_length)); |
474 |
forsberg |
383 |
|
475 |
forsberg |
394 |
|
476 |
forsberg |
383 |
num_formats = remaining_length / 36; |
477 |
forsberg |
394 |
|
478 |
forsberg |
396 |
ipc_send_message(RDESKTOP_IPC_CLIPRDR_FORMAT_ANNOUNCE, s->p, remaining_length); |
479 |
|
|
if (NULL != server_formats) |
480 |
|
|
{ |
481 |
forsberg |
383 |
this = server_formats; |
482 |
|
|
next = this->next; |
483 |
forsberg |
396 |
while (NULL != next) |
484 |
|
|
{ |
485 |
forsberg |
383 |
xfree(this); |
486 |
|
|
this = NULL; |
487 |
|
|
this = next; |
488 |
|
|
next = this->next; |
489 |
|
|
} |
490 |
forsberg |
396 |
} |
491 |
forsberg |
383 |
this = xmalloc(sizeof(cliprdr_dataformat)); |
492 |
|
|
this->next = NULL; |
493 |
|
|
server_formats = this; |
494 |
|
|
num_server_formats = num_formats; |
495 |
forsberg |
396 |
while (1 < num_formats) |
496 |
|
|
{ |
497 |
forsberg |
383 |
in_uint32_le(s, this->identifier); |
498 |
|
|
in_uint8a(s, this->textual_description, 32); |
499 |
forsberg |
396 |
DEBUG_CLIPBOARD(("Stored format description with numeric id %d\n", |
500 |
forsberg |
384 |
this->identifier)); |
501 |
forsberg |
396 |
this->next = xmalloc(sizeof(cliprdr_dataformat)); |
502 |
forsberg |
383 |
this = this->next; |
503 |
|
|
num_formats--; |
504 |
|
|
} |
505 |
|
|
in_uint32_le(s, this->identifier); |
506 |
|
|
DEBUG_CLIPBOARD(("Stored format description with numeric id %d\n", this->identifier)); |
507 |
|
|
in_uint8a(s, this->textual_description, 32); |
508 |
forsberg |
396 |
this->next = NULL; |
509 |
forsberg |
383 |
in_uint32_le(s, pad); |
510 |
|
|
cliprdr_print_server_formats(); |
511 |
|
|
} |
512 |
|
|
|
513 |
|
|
static void |
514 |
forsberg |
396 |
cliprdr_select_X_clipboards(void) |
515 |
forsberg |
383 |
{ |
516 |
forsberg |
388 |
XSetSelectionOwner(display, primary_atom, wnd, last_gesturetime); |
517 |
forsberg |
383 |
if (wnd != XGetSelectionOwner(display, primary_atom)) |
518 |
|
|
{ |
519 |
|
|
warning("Failed to aquire ownership of PRIMARY clipboard\n"); |
520 |
forsberg |
396 |
} |
521 |
forsberg |
394 |
else |
522 |
|
|
{ |
523 |
|
|
have_primary = 1; |
524 |
forsberg |
383 |
} |
525 |
forsberg |
388 |
XSetSelectionOwner(display, clipboard_atom, wnd, last_gesturetime); |
526 |
forsberg |
396 |
if (wnd != XGetSelectionOwner(display, clipboard_atom)) |
527 |
forsberg |
383 |
{ |
528 |
|
|
warning("Failed to aquire ownership of CLIPBOARD clipboard\n"); |
529 |
forsberg |
396 |
} |
530 |
|
|
|
531 |
forsberg |
383 |
} |
532 |
|
|
|
533 |
forsberg |
384 |
|
534 |
forsberg |
385 |
|
535 |
forsberg |
396 |
static void |
536 |
forsberg |
383 |
cliprdr_handle_first_handshake(STREAM s) |
537 |
|
|
{ |
538 |
|
|
uint32 remaining_length, pad; |
539 |
|
|
in_uint32_le(s, remaining_length); |
540 |
|
|
in_uint32_le(s, pad); |
541 |
forsberg |
396 |
DEBUG_CLIPBOARD(("Remaining length in first handshake frm server is %d, pad is %d\n", |
542 |
forsberg |
383 |
remaining_length, pad)); |
543 |
|
|
cliprdr_send_format_announce(); |
544 |
|
|
} |
545 |
|
|
|
546 |
forsberg |
396 |
void |
547 |
|
|
cliprdr_handle_server_data(uint32 length, uint32 flags, STREAM s) |
548 |
forsberg |
384 |
{ |
549 |
forsberg |
392 |
static uint32 remaining_length; |
550 |
|
|
static char *data, *datap; |
551 |
|
|
static uint32 bytes_left_to_read; |
552 |
forsberg |
396 |
DEBUG_CLIPBOARD(("In cliprdr_handle_server_data, flags is %d\n", flags)); |
553 |
|
|
if (3 == flags) /* One-op write, no packets follows */ |
554 |
forsberg |
392 |
{ |
555 |
|
|
in_uint32_le(s, remaining_length); |
556 |
|
|
data = s->p; |
557 |
forsberg |
396 |
} |
558 |
|
|
else if (1 == flags) /* First of several packets */ |
559 |
|
|
{ |
560 |
forsberg |
392 |
in_uint32_le(s, remaining_length); |
561 |
forsberg |
396 |
DEBUG_CLIPBOARD(("Remaining length is %d\n", remaining_length)); |
562 |
forsberg |
392 |
data = xmalloc(remaining_length); |
563 |
|
|
datap = data; |
564 |
forsberg |
396 |
DEBUG_CLIPBOARD(("Copying first %d bytes\n", MAX_CLIPRDR_STANDALONE_DATASIZE)); |
565 |
forsberg |
392 |
memcpy(datap, s->p, MAX_CLIPRDR_STANDALONE_DATASIZE); |
566 |
|
|
|
567 |
forsberg |
396 |
datap += MAX_CLIPRDR_STANDALONE_DATASIZE; |
568 |
|
|
bytes_left_to_read = remaining_length - MAX_CLIPRDR_STANDALONE_DATASIZE; |
569 |
forsberg |
392 |
return; |
570 |
forsberg |
396 |
} |
571 |
|
|
else if (0 == flags) |
572 |
forsberg |
392 |
{ |
573 |
forsberg |
396 |
DEBUG_CLIPBOARD(("Copying %d middle bytes", MAX_CLIPRDR_CONTINUATION_DATASIZE)); |
574 |
forsberg |
392 |
memcpy(datap, s->p, MAX_CLIPRDR_CONTINUATION_DATASIZE); |
575 |
|
|
|
576 |
forsberg |
396 |
datap += MAX_CLIPRDR_CONTINUATION_DATASIZE; |
577 |
|
|
bytes_left_to_read -= MAX_CLIPRDR_CONTINUATION_DATASIZE; |
578 |
forsberg |
392 |
return; |
579 |
forsberg |
396 |
} |
580 |
|
|
else if (2 == flags) |
581 |
forsberg |
392 |
{ |
582 |
forsberg |
396 |
DEBUG_CLIPBOARD(("Copying last %d bytes\n", bytes_left_to_read)); |
583 |
forsberg |
392 |
memcpy(datap, s->p, bytes_left_to_read); |
584 |
|
|
} |
585 |
forsberg |
395 |
DEBUG_CLIPBOARD(("Setting target atom (%s) on %d\n", |
586 |
|
|
XGetAtomName(display, selection_event.property), |
587 |
|
|
selection_event.requestor)); |
588 |
forsberg |
396 |
XChangeProperty(display, |
589 |
forsberg |
388 |
selection_event.requestor, |
590 |
|
|
selection_event.property, |
591 |
|
|
XInternAtom(display, "STRING", False), |
592 |
forsberg |
396 |
8, PropModeAppend, data, remaining_length - 1); |
593 |
forsberg |
384 |
|
594 |
forsberg |
396 |
XSendEvent(display, |
595 |
|
|
selection_event.requestor, False, NoEventMask, (XEvent *) & selection_event); |
596 |
forsberg |
384 |
|
597 |
forsberg |
393 |
if (2 == flags) |
598 |
forsberg |
392 |
xfree(data); |
599 |
|
|
|
600 |
forsberg |
384 |
} |
601 |
|
|
|
602 |
forsberg |
396 |
void |
603 |
|
|
cliprdr_handle_server_data_request(STREAM s) |
604 |
forsberg |
385 |
{ |
605 |
forsberg |
386 |
Window selectionowner; |
606 |
forsberg |
385 |
uint32 remaining_length; |
607 |
|
|
uint32 wanted_formatcode, pad; |
608 |
|
|
|
609 |
|
|
in_uint32_le(s, remaining_length); |
610 |
|
|
in_uint32_le(s, wanted_formatcode); |
611 |
|
|
in_uint32_le(s, pad); |
612 |
|
|
|
613 |
|
|
/* FIXME: Check that we support this formatcode */ |
614 |
|
|
|
615 |
forsberg |
396 |
DEBUG_CLIPBOARD(("Request from server for format %d\n", wanted_formatcode)); |
616 |
forsberg |
385 |
|
617 |
forsberg |
386 |
selectionowner = XGetSelectionOwner(display, primary_atom); |
618 |
forsberg |
385 |
|
619 |
forsberg |
394 |
if (rdesktop_is_selection_owner) |
620 |
|
|
{ |
621 |
forsberg |
395 |
DEBUG_CLIPBOARD(("XChangeProperty, rdesktop_is_selection_owner\n")); |
622 |
forsberg |
394 |
XChangeProperty(display, wnd, rdesktop_clipboard_target_atom, |
623 |
|
|
XA_INTEGER, 32, PropModeReplace, |
624 |
forsberg |
396 |
(unsigned char *) &wanted_formatcode, 1); |
625 |
forsberg |
394 |
|
626 |
forsberg |
396 |
XConvertSelection(display, primary_atom, |
627 |
|
|
ipc_atom, rdesktop_clipboard_target_atom, wnd, CurrentTime); |
628 |
forsberg |
394 |
return; |
629 |
|
|
} |
630 |
|
|
|
631 |
|
|
|
632 |
forsberg |
396 |
if (None != selectionowner) |
633 |
forsberg |
386 |
{ |
634 |
forsberg |
396 |
|
635 |
forsberg |
386 |
/* FIXME: Perhaps we should check if we are the owner? */ |
636 |
forsberg |
385 |
|
637 |
forsberg |
396 |
XConvertSelection(display, primary_atom, |
638 |
|
|
targets_atom, rdesktop_clipboard_target_atom, wnd, CurrentTime); |
639 |
forsberg |
386 |
|
640 |
|
|
/* The rest of the transfer is handled in |
641 |
|
|
cliprdr_handle_SelectionNotify */ |
642 |
|
|
|
643 |
forsberg |
396 |
} |
644 |
|
|
else |
645 |
forsberg |
385 |
{ |
646 |
forsberg |
386 |
|
647 |
forsberg |
402 |
selectionowner = XGetSelectionOwner(display, clipboard_atom); |
648 |
|
|
if (None != selectionowner) |
649 |
|
|
{ |
650 |
|
|
XConvertSelection(display, clipboard_atom, |
651 |
|
|
targets_atom, |
652 |
|
|
rdesktop_clipboard_target_atom, wnd, CurrentTime); |
653 |
|
|
|
654 |
|
|
/* The rest of the transfer is handled in |
655 |
|
|
cliprdr_handle_SelectionNotify */ |
656 |
|
|
|
657 |
|
|
} |
658 |
|
|
else |
659 |
|
|
{ |
660 |
|
|
|
661 |
|
|
DEBUG_CLIPBOARD(("There were no owner for PRIMARY nor CLIPBOARD, sending empty string\n")); // FIXME: Should we always send an empty string? |
662 |
|
|
|
663 |
|
|
cliprdr_send_empty_datapacket(); |
664 |
|
|
} |
665 |
forsberg |
385 |
} |
666 |
forsberg |
386 |
|
667 |
|
|
|
668 |
forsberg |
385 |
} |
669 |
|
|
|
670 |
forsberg |
396 |
|
671 |
|
|
void |
672 |
|
|
cliprdr_callback(STREAM s, uint16 channelno) |
673 |
forsberg |
383 |
{ |
674 |
forsberg |
389 |
static int failed_clipboard_acks = 0; |
675 |
|
|
struct timeval timeval; |
676 |
forsberg |
383 |
uint32 length, flags; |
677 |
|
|
uint16 ptype0, ptype1; |
678 |
forsberg |
390 |
clipboard_channelno = channelno; |
679 |
forsberg |
396 |
DEBUG_CLIPBOARD(("cliprdr_callback called with channelno %d, clipboard data:\n", |
680 |
|
|
channelno)); |
681 |
forsberg |
383 |
#ifdef WITH_DEBUG_CLIPBOARD |
682 |
forsberg |
396 |
// hexdump(s->p, s->end - s->p); |
683 |
forsberg |
383 |
#endif |
684 |
|
|
in_uint32_le(s, length); |
685 |
|
|
in_uint32_le(s, flags); |
686 |
|
|
|
687 |
|
|
DEBUG_CLIPBOARD(("length is %d, flags are %d\n", length, flags)); |
688 |
|
|
|
689 |
forsberg |
396 |
if (3 == flags || 1 == flags) /* Single-write op or first-packet-of-several op */ |
690 |
forsberg |
383 |
{ |
691 |
|
|
in_uint16_le(s, ptype0); |
692 |
|
|
in_uint16_le(s, ptype1); |
693 |
|
|
DEBUG_CLIPBOARD(("ptype0 is %d, ptype1 is %d\n", ptype0, ptype1)); |
694 |
forsberg |
396 |
if (1 == ptype0 && 0 == ptype1) |
695 |
|
|
{ |
696 |
forsberg |
383 |
cliprdr_handle_first_handshake(s); |
697 |
|
|
return; |
698 |
forsberg |
396 |
} |
699 |
|
|
else if (3 == ptype0 && 1 == ptype1) |
700 |
forsberg |
383 |
{ |
701 |
|
|
// Acknowledgment on our format announce. Do we care? Not right now. |
702 |
|
|
// There is a strange pad in this packet that we might need some time, |
703 |
|
|
// but probably not. |
704 |
|
|
DEBUG_CLIPBOARD(("Received format announce ACK\n")); |
705 |
forsberg |
389 |
failed_clipboard_acks = 0; |
706 |
forsberg |
383 |
return; |
707 |
forsberg |
384 |
|
708 |
forsberg |
396 |
} |
709 |
|
|
else if (3 == ptype0 && 2 == ptype1) |
710 |
forsberg |
389 |
{ |
711 |
|
|
DEBUG_CLIPBOARD(("Received failed clipboard format announce ACK, retrying\n")); |
712 |
|
|
|
713 |
|
|
/* This is a fairly portable way to sleep 1/10 of |
714 |
|
|
a second.. */ |
715 |
|
|
timeval.tv_sec = 0; |
716 |
|
|
timeval.tv_usec = 100; |
717 |
|
|
select(0, NULL, NULL, NULL, &timeval); |
718 |
|
|
if (failed_clipboard_acks < 3) |
719 |
|
|
{ |
720 |
forsberg |
396 |
|
721 |
forsberg |
389 |
cliprdr_send_format_announce(); |
722 |
|
|
/* Make sure we don't get stuck in this loop */ |
723 |
|
|
failed_clipboard_acks++; |
724 |
forsberg |
396 |
} |
725 |
forsberg |
389 |
else |
726 |
|
|
{ |
727 |
|
|
warning("Reached maximum number of clipboard format announce attempts. Pasting in Windows probably won't work well now.\n"); |
728 |
|
|
} |
729 |
forsberg |
396 |
} |
730 |
|
|
else if (2 == ptype0 && 0 == ptype1) |
731 |
forsberg |
383 |
{ |
732 |
|
|
cliprdr_register_server_formats(s); |
733 |
|
|
cliprdr_select_X_clipboards(); |
734 |
forsberg |
384 |
cliprdr_ack_format_list(); |
735 |
forsberg |
383 |
return; |
736 |
forsberg |
396 |
} |
737 |
|
|
else if (5 == ptype0 && 1 == ptype1) |
738 |
forsberg |
384 |
{ |
739 |
forsberg |
392 |
cliprdr_handle_server_data(length, flags, s); |
740 |
forsberg |
396 |
} |
741 |
|
|
else if (4 == ptype0 && 0 == ptype1) |
742 |
forsberg |
385 |
{ |
743 |
|
|
cliprdr_handle_server_data_request(s); |
744 |
forsberg |
383 |
} |
745 |
forsberg |
385 |
|
746 |
forsberg |
396 |
|
747 |
|
|
} |
748 |
|
|
else |
749 |
forsberg |
392 |
{ |
750 |
|
|
DEBUG_CLIPBOARD(("Handling middle or last packet\n")); |
751 |
|
|
cliprdr_handle_server_data(length, flags, s); |
752 |
forsberg |
383 |
} |
753 |
|
|
} |
754 |
|
|
|
755 |
forsberg |
396 |
void |
756 |
|
|
cliprdr_ipc_primary_lost(unsigned char *data, uint16 length) |
757 |
forsberg |
394 |
{ |
758 |
|
|
DEBUG_CLIPBOARD(("cliprdr_ipc_primary_lost called\n")); |
759 |
|
|
if (!have_primary) |
760 |
|
|
cliprdr_send_format_announce(); |
761 |
|
|
rdesktop_is_selection_owner = 0; |
762 |
|
|
} |
763 |
forsberg |
384 |
|
764 |
forsberg |
394 |
|
765 |
forsberg |
396 |
void |
766 |
|
|
cliprdr_init(void) |
767 |
forsberg |
383 |
{ |
768 |
|
|
primary_atom = XInternAtom(display, "PRIMARY", False); |
769 |
|
|
clipboard_atom = XInternAtom(display, "CLIPBOARD", False); |
770 |
forsberg |
386 |
targets_atom = XInternAtom(display, "TARGETS", False); |
771 |
|
|
timestamp_atom = XInternAtom(display, "TIMESTAMP", False); |
772 |
|
|
rdesktop_clipboard_target_atom = XInternAtom(display, "_RDESKTOP_CLIPBOARD_TARGET", False); |
773 |
forsberg |
391 |
incr_atom = XInternAtom(display, "INCR", False); |
774 |
|
|
targets[0] = targets_atom; |
775 |
|
|
targets[1] = XInternAtom(display, "TEXT", False); |
776 |
|
|
targets[2] = XInternAtom(display, "UTF8_STRING", False); |
777 |
|
|
targets[3] = XInternAtom(display, "text/unicode", False); |
778 |
|
|
targets[4] = XInternAtom(display, "TIMESTAMP", False); |
779 |
|
|
targets[5] = XInternAtom(display, "STRING", False); |
780 |
forsberg |
396 |
ipc_register_ipcnotify(RDESKTOP_IPC_CLIPRDR_FORMAT_ANNOUNCE, cliprdr_ipc_format_announce); |
781 |
|
|
ipc_register_ipcnotify(RDESKTOP_IPC_CLIPRDR_FORMAT_ANNOUNCE, cliprdr_ipc_primary_lost); |
782 |
forsberg |
391 |
|
783 |
forsberg |
394 |
|
784 |
forsberg |
383 |
} |