| 1 |
/* -*- c-basic-offset: 8 -*- |
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rdesktop: A Remote Desktop Protocol client. |
| 3 |
Seamless Windows support |
| 4 |
Copyright 2005-2008 Peter Astrand <astrand@cendio.se> for Cendio AB |
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Copyright 2007-2008 Pierre Ossman <ossman@cendio.se> for Cendio AB |
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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 |
| 10 |
(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 |
| 18 |
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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#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 RD_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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static char icon_buf[1024]; |
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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 RD_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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int chunk, width, height, len; |
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char byte[3]; |
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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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chunk = strtoul(tok4, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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width = strtoul(tok6, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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height = strtoul(tok7, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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byte[2] = '\0'; |
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len = 0; |
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while (*tok8 != '\0') |
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{ |
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byte[0] = *tok8; |
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tok8++; |
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if (*tok8 == '\0') |
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return False; |
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byte[1] = *tok8; |
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tok8++; |
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|
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icon_buf[len] = strtol(byte, NULL, 16); |
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len++; |
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} |
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|
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ui_seamless_seticon(id, tok5, width, height, chunk, icon_buf, len); |
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} |
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else if (!strcmp("DELICON", tok1)) |
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{ |
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int width, height; |
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|
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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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width = strtoul(tok5, &endptr, 0); |
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if (*endptr) |
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return False; |
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|
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height = 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_delicon(id, tok4, width, height); |
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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); |
| 295 |
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); |
| 306 |
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); |
| 317 |
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; |
| 325 |
|
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serial = strtoul(tok3, &endptr, 0); |
| 327 |
if (*endptr) |
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return False; |
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|
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ui_seamless_ack(serial); |
| 331 |
} |
| 332 |
else if (!strcmp("HIDE", tok1)) |
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{ |
| 334 |
if (!tok3) |
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return False; |
| 336 |
|
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flags = strtoul(tok3, &endptr, 0); |
| 338 |
if (*endptr) |
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return False; |
| 340 |
|
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ui_seamless_hide_desktop(); |
| 342 |
} |
| 343 |
else if (!strcmp("UNHIDE", tok1)) |
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{ |
| 345 |
if (!tok3) |
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return False; |
| 347 |
|
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flags = strtoul(tok3, &endptr, 0); |
| 349 |
if (*endptr) |
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return False; |
| 351 |
|
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ui_seamless_unhide_desktop(); |
| 353 |
} |
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|
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|
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xfree(l); |
| 357 |
return True; |
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} |
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|
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|
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static RD_BOOL |
| 362 |
seamless_line_handler(const char *line, void *data) |
| 363 |
{ |
| 364 |
if (!seamless_process_line(line, data)) |
| 365 |
{ |
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warning("SeamlessRDP: Invalid request:%s\n", line); |
| 367 |
} |
| 368 |
return True; |
| 369 |
} |
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|
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|
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static void |
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seamless_process(STREAM s) |
| 374 |
{ |
| 375 |
unsigned int pkglen; |
| 376 |
static char *rest = NULL; |
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char *buf; |
| 378 |
|
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pkglen = s->end - s->p; |
| 380 |
/* str_handle_lines requires null terminated strings */ |
| 381 |
buf = xmalloc(pkglen + 1); |
| 382 |
STRNCPY(buf, (char *) s->p, pkglen + 1); |
| 383 |
#if 0 |
| 384 |
printf("seamless recv:\n"); |
| 385 |
hexdump(s->p, pkglen); |
| 386 |
#endif |
| 387 |
|
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str_handle_lines(buf, &rest, seamless_line_handler, NULL); |
| 389 |
|
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xfree(buf); |
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} |
| 392 |
|
| 393 |
|
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RD_BOOL |
| 395 |
seamless_init(void) |
| 396 |
{ |
| 397 |
if (!g_seamless_rdp) |
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return False; |
| 399 |
|
| 400 |
seamless_serial = 0; |
| 401 |
|
| 402 |
seamless_channel = |
| 403 |
channel_register("seamrdp", CHANNEL_OPTION_INITIALIZED | CHANNEL_OPTION_ENCRYPT_RDP, |
| 404 |
seamless_process); |
| 405 |
return (seamless_channel != NULL); |
| 406 |
} |
| 407 |
|
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|
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static unsigned int |
| 410 |
seamless_send(const char *command, const char *format, ...) |
| 411 |
{ |
| 412 |
STREAM s; |
| 413 |
size_t len; |
| 414 |
va_list argp; |
| 415 |
char buf[1025]; |
| 416 |
|
| 417 |
len = snprintf(buf, sizeof(buf) - 1, "%s,%u,", command, seamless_serial); |
| 418 |
|
| 419 |
assert(len < (sizeof(buf) - 1)); |
| 420 |
|
| 421 |
va_start(argp, format); |
| 422 |
len += vsnprintf(buf + len, sizeof(buf) - len - 1, format, argp); |
| 423 |
va_end(argp); |
| 424 |
|
| 425 |
assert(len < (sizeof(buf) - 1)); |
| 426 |
|
| 427 |
buf[len] = '\n'; |
| 428 |
buf[len + 1] = '\0'; |
| 429 |
|
| 430 |
len++; |
| 431 |
|
| 432 |
s = channel_init(seamless_channel, len); |
| 433 |
out_uint8p(s, buf, len) s_mark_end(s); |
| 434 |
|
| 435 |
DEBUG_SEAMLESS(("SeamlessRDP sending:%s", buf)); |
| 436 |
|
| 437 |
#if 0 |
| 438 |
printf("seamless send:\n"); |
| 439 |
hexdump(s->channel_hdr + 8, s->end - s->channel_hdr - 8); |
| 440 |
#endif |
| 441 |
|
| 442 |
channel_send(s, seamless_channel); |
| 443 |
|
| 444 |
return seamless_serial++; |
| 445 |
} |
| 446 |
|
| 447 |
|
| 448 |
unsigned int |
| 449 |
seamless_send_sync() |
| 450 |
{ |
| 451 |
if (!g_seamless_rdp) |
| 452 |
return (unsigned int) -1; |
| 453 |
|
| 454 |
return seamless_send("SYNC", ""); |
| 455 |
} |
| 456 |
|
| 457 |
|
| 458 |
unsigned int |
| 459 |
seamless_send_state(unsigned long id, unsigned int state, unsigned long flags) |
| 460 |
{ |
| 461 |
if (!g_seamless_rdp) |
| 462 |
return (unsigned int) -1; |
| 463 |
|
| 464 |
return seamless_send("STATE", "0x%08lx,0x%x,0x%lx", id, state, flags); |
| 465 |
} |
| 466 |
|
| 467 |
|
| 468 |
unsigned int |
| 469 |
seamless_send_position(unsigned long id, int x, int y, int width, int height, unsigned long flags) |
| 470 |
{ |
| 471 |
return seamless_send("POSITION", "0x%08lx,%d,%d,%d,%d,0x%lx", id, x, y, width, height, |
| 472 |
flags); |
| 473 |
} |
| 474 |
|
| 475 |
|
| 476 |
/* Update select timeout */ |
| 477 |
void |
| 478 |
seamless_select_timeout(struct timeval *tv) |
| 479 |
{ |
| 480 |
struct timeval ourtimeout = { 0, SEAMLESSRDP_POSITION_TIMER }; |
| 481 |
|
| 482 |
if (g_seamless_rdp) |
| 483 |
{ |
| 484 |
if (timercmp(&ourtimeout, tv, <)) |
| 485 |
{ |
| 486 |
tv->tv_sec = ourtimeout.tv_sec; |
| 487 |
tv->tv_usec = ourtimeout.tv_usec; |
| 488 |
} |
| 489 |
} |
| 490 |
} |
| 491 |
|
| 492 |
|
| 493 |
unsigned int |
| 494 |
seamless_send_zchange(unsigned long id, unsigned long below, unsigned long flags) |
| 495 |
{ |
| 496 |
if (!g_seamless_rdp) |
| 497 |
return (unsigned int) -1; |
| 498 |
|
| 499 |
return seamless_send("ZCHANGE", "0x%08lx,0x%08lx,0x%lx", id, below, flags); |
| 500 |
} |
| 501 |
|
| 502 |
|
| 503 |
|
| 504 |
unsigned int |
| 505 |
seamless_send_focus(unsigned long id, unsigned long flags) |
| 506 |
{ |
| 507 |
if (!g_seamless_rdp) |
| 508 |
return (unsigned int) -1; |
| 509 |
|
| 510 |
return seamless_send("FOCUS", "0x%08lx,0x%lx", id, flags); |
| 511 |
} |
| 512 |
|
| 513 |
/* Send client-to-server message to destroy process on the server. */ |
| 514 |
unsigned int |
| 515 |
seamless_send_destroy(unsigned long id) |
| 516 |
{ |
| 517 |
return seamless_send("DESTROY", "0x%08lx", id); |
| 518 |
} |
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