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/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
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Seamless Windows support |
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Copyright (C) Peter Astrand <astrand@cendio.se> 2005-2006 |
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|
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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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|
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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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|
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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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|
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#include "rdesktop.h" |
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#include <stdarg.h> |
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#include <assert.h> |
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|
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/* #define WITH_DEBUG_SEAMLESS */ |
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|
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#ifdef WITH_DEBUG_SEAMLESS |
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#define DEBUG_SEAMLESS(args) printf args; |
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#else |
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#define DEBUG_SEAMLESS(args) |
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#endif |
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|
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extern BOOL g_seamless_rdp; |
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static VCHANNEL *seamless_channel; |
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static unsigned int seamless_serial; |
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|
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static char * |
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seamless_get_token(char **s) |
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{ |
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char *comma, *head; |
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head = *s; |
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|
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if (!head) |
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return NULL; |
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|
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comma = strchr(head, ','); |
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if (comma) |
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{ |
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*comma = '\0'; |
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*s = comma + 1; |
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} |
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else |
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{ |
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*s = NULL; |
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} |
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|
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return head; |
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} |
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|
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|
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static BOOL |
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seamless_process_line(const char *line, void *data) |
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{ |
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char *p, *l; |
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char *tok1, *tok2, *tok3, *tok4, *tok5, *tok6, *tok7, *tok8; |
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unsigned long id, flags; |
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char *endptr; |
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|
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l = xstrdup(line); |
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p = l; |
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|
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DEBUG_SEAMLESS(("seamlessrdp got:%s\n", p)); |
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|
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tok1 = seamless_get_token(&p); |
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tok2 = seamless_get_token(&p); |
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tok3 = seamless_get_token(&p); |
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tok4 = seamless_get_token(&p); |
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tok5 = seamless_get_token(&p); |
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tok6 = seamless_get_token(&p); |
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tok7 = seamless_get_token(&p); |
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tok8 = seamless_get_token(&p); |
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|
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if (!strcmp("CREATE", tok1)) |
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{ |
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unsigned long group, parent; |
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if (!tok6) |
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return False; |
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|
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id = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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group = strtoul(tok4, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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parent = strtoul(tok5, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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flags = strtoul(tok6, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_create_window(id, group, parent, flags); |
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} |
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else if (!strcmp("DESTROY", tok1)) |
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{ |
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if (!tok4) |
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return False; |
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|
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id = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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flags = strtoul(tok4, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_destroy_window(id, flags); |
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|
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} |
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else if (!strcmp("DESTROYGRP", tok1)) |
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{ |
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if (!tok4) |
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return False; |
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|
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id = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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flags = strtoul(tok4, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_destroy_group(id, flags); |
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} |
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else if (!strcmp("SETICON", tok1)) |
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{ |
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unimpl("SeamlessRDP SETICON1\n"); |
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} |
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else if (!strcmp("POSITION", tok1)) |
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{ |
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int x, y, width, height; |
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|
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if (!tok8) |
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return False; |
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|
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id = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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x = strtol(tok4, &endptr, 0); |
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if (*endptr) |
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return False; |
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y = strtol(tok5, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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width = strtol(tok6, &endptr, 0); |
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if (*endptr) |
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return False; |
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height = strtol(tok7, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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flags = strtoul(tok8, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_move_window(id, x, y, width, height, flags); |
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} |
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else if (!strcmp("ZCHANGE", tok1)) |
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{ |
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unsigned long behind; |
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|
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id = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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behind = strtoul(tok4, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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flags = strtoul(tok5, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_restack_window(id, behind, flags); |
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} |
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else if (!strcmp("TITLE", tok1)) |
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{ |
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if (!tok5) |
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return False; |
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|
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id = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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flags = strtoul(tok5, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_settitle(id, tok4, flags); |
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} |
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else if (!strcmp("STATE", tok1)) |
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{ |
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unsigned int state; |
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|
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if (!tok5) |
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return False; |
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|
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id = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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state = strtoul(tok4, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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flags = strtoul(tok5, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_setstate(id, state, flags); |
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} |
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else if (!strcmp("DEBUG", tok1)) |
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{ |
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DEBUG_SEAMLESS(("SeamlessRDP:%s\n", line)); |
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} |
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else if (!strcmp("SYNCBEGIN", tok1)) |
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{ |
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if (!tok3) |
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return False; |
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|
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flags = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_syncbegin(flags); |
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} |
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else if (!strcmp("SYNCEND", tok1)) |
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{ |
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if (!tok3) |
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return False; |
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|
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flags = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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/* do nothing, currently */ |
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} |
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else if (!strcmp("HELLO", tok1)) |
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{ |
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if (!tok3) |
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return False; |
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|
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flags = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_begin(!!(flags & SEAMLESSRDP_HELLO_HIDDEN)); |
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} |
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else if (!strcmp("ACK", tok1)) |
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{ |
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unsigned int serial; |
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|
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serial = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_ack(serial); |
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} |
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else if (!strcmp("HIDE", tok1)) |
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{ |
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if (!tok3) |
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return False; |
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|
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flags = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_hide_desktop(); |
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} |
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else if (!strcmp("UNHIDE", tok1)) |
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{ |
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if (!tok3) |
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return False; |
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|
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flags = strtoul(tok3, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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ui_seamless_unhide_desktop(); |
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} |
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|
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|
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xfree(l); |
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return True; |
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} |
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|
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|
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static BOOL |
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seamless_line_handler(const char *line, void *data) |
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{ |
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if (!seamless_process_line(line, data)) |
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{ |
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warning("SeamlessRDP: Invalid request:%s\n", line); |
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} |
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return True; |
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} |
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|
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|
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static void |
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seamless_process(STREAM s) |
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{ |
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unsigned int pkglen; |
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static char *rest = NULL; |
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char *buf; |
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|
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pkglen = s->end - s->p; |
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/* str_handle_lines requires null terminated strings */ |
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buf = xmalloc(pkglen + 1); |
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STRNCPY(buf, (char *) s->p, pkglen + 1); |
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#if 0 |
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printf("seamless recv:\n"); |
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hexdump(s->p, pkglen); |
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#endif |
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|
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str_handle_lines(buf, &rest, seamless_line_handler, NULL); |
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|
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xfree(buf); |
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} |
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|
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|
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BOOL |
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seamless_init(void) |
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{ |
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if (!g_seamless_rdp) |
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return False; |
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|
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seamless_serial = 0; |
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|
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seamless_channel = |
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channel_register("seamrdp", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP, |
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seamless_process); |
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return (seamless_channel != NULL); |
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} |
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|
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|
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static unsigned int |
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seamless_send(const char *command, const char *format, ...) |
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{ |
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STREAM s; |
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size_t len; |
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va_list argp; |
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char buf[1025]; |
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|
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len = snprintf(buf, sizeof(buf) - 1, "%s,%u,", command, seamless_serial); |
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|
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assert(len < (sizeof(buf) - 1)); |
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|
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va_start(argp, format); |
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len += vsnprintf(buf + len, sizeof(buf) - len - 1, format, argp); |
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va_end(argp); |
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|
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assert(len < (sizeof(buf) - 1)); |
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|
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buf[len] = '\n'; |
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buf[len + 1] = '\0'; |
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|
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len++; |
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|
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s = channel_init(seamless_channel, len); |
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out_uint8p(s, buf, len) s_mark_end(s); |
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|
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DEBUG_SEAMLESS(("SeamlessRDP sending:%s", buf)); |
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|
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#if 0 |
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printf("seamless send:\n"); |
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hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); |
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#endif |
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|
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channel_send(s, seamless_channel); |
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|
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return seamless_serial++; |
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} |
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|
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|
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unsigned int |
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seamless_send_sync() |
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{ |
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if (!g_seamless_rdp) |
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return (unsigned int) -1; |
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|
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return seamless_send("SYNC", ""); |
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} |
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|
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|
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unsigned int |
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seamless_send_state(unsigned long id, unsigned int state, unsigned long flags) |
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{ |
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if (!g_seamless_rdp) |
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return (unsigned int) -1; |
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|
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return seamless_send("STATE", "0x%08lx,0x%x,0x%lx", id, state, flags); |
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} |
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|
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|
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unsigned int |
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seamless_send_position(unsigned long id, int x, int y, int width, int height, unsigned long flags) |
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{ |
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return seamless_send("POSITION", "0x%08lx,%d,%d,%d,%d,0x%lx", id, x, y, width, height, |
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flags); |
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} |
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|
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|
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/* Update select timeout */ |
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void |
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seamless_select_timeout(struct timeval *tv) |
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{ |
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struct timeval ourtimeout = { 0, SEAMLESSRDP_POSITION_TIMER }; |
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|
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if (g_seamless_rdp) |
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{ |
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if (timercmp(&ourtimeout, tv, <)) |
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{ |
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tv->tv_sec = ourtimeout.tv_sec; |
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tv->tv_usec = ourtimeout.tv_usec; |
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} |
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} |
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} |
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|
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|
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unsigned int |
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seamless_send_zchange(unsigned long id, unsigned long below, unsigned long flags) |
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{ |
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if (!g_seamless_rdp) |
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return (unsigned int) -1; |
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|
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return seamless_send("ZCHANGE", "0x%08lx,0x%08lx,0x%lx", id, below, flags); |
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} |
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|
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|
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|
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unsigned int |
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seamless_send_focus(unsigned long id, unsigned long flags) |
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{ |
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if (!g_seamless_rdp) |
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return (unsigned int) -1; |
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|
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return seamless_send("FOCUS", "0x%08lx,0x%lx", id, flags); |
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} |
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