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848 lines
22 KiB
848 lines
22 KiB
/*
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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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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2004-2005
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rdp layer
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*/
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#include "libxrdp.h"
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static char unknown1[172] =
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{ 0xff, 0x02, 0xb6, 0x00, 0x28, 0x00, 0x00, 0x00,
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0x27, 0x00, 0x27, 0x00, 0x03, 0x00, 0x04, 0x00,
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0x00, 0x00, 0x26, 0x00, 0x01, 0x00, 0x1e, 0x00,
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0x02, 0x00, 0x1f, 0x00, 0x03, 0x00, 0x1d, 0x00,
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0x04, 0x00, 0x27, 0x00, 0x05, 0x00, 0x0b, 0x00,
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0x06, 0x00, 0x28, 0x00, 0x08, 0x00, 0x21, 0x00,
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0x09, 0x00, 0x20, 0x00, 0x0a, 0x00, 0x22, 0x00,
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0x0b, 0x00, 0x25, 0x00, 0x0c, 0x00, 0x24, 0x00,
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0x0d, 0x00, 0x23, 0x00, 0x0e, 0x00, 0x19, 0x00,
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0x0f, 0x00, 0x16, 0x00, 0x10, 0x00, 0x15, 0x00,
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0x11, 0x00, 0x1c, 0x00, 0x12, 0x00, 0x1b, 0x00,
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0x13, 0x00, 0x1a, 0x00, 0x14, 0x00, 0x17, 0x00,
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0x15, 0x00, 0x18, 0x00, 0x16, 0x00, 0x0e, 0x00,
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0x18, 0x00, 0x0c, 0x00, 0x19, 0x00, 0x0d, 0x00,
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0x1a, 0x00, 0x12, 0x00, 0x1b, 0x00, 0x14, 0x00,
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0x1f, 0x00, 0x13, 0x00, 0x20, 0x00, 0x00, 0x00,
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0x21, 0x00, 0x0a, 0x00, 0x22, 0x00, 0x06, 0x00,
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0x23, 0x00, 0x07, 0x00, 0x24, 0x00, 0x08, 0x00,
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0x25, 0x00, 0x09, 0x00, 0x26, 0x00, 0x04, 0x00,
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0x27, 0x00, 0x03, 0x00, 0x28, 0x00, 0x02, 0x00,
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0x29, 0x00, 0x01, 0x00, 0x2a, 0x00, 0x05, 0x00,
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0x2b, 0x00, 0x2a, 0x00 };
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/*****************************************************************************/
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static int APP_CC
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xrdp_rdp_read_config(struct xrdp_client_info* client_info)
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{
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int fd;
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int index;
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struct list* items;
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struct list* values;
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char* item;
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char* value;
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fd = g_file_open("xrdp.ini");
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if (fd > 0)
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{
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items = list_create();
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items->auto_free = 1;
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values = list_create();
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values->auto_free = 1;
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file_read_section(fd, "globals", items, values);
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for (index = 0; index < items->count; index++)
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{
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item = (char*)list_get_item(items, index);
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value = (char*)list_get_item(values, index);
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if (g_strcmp(item, "bitmap_cache") == 0)
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{
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if (g_strcmp(value, "yes") == 0)
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{
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client_info->use_bitmap_cache = 1;
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}
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}
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else if (g_strcmp(item, "bitmap_compression") == 0)
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{
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if (g_strcmp(value, "yes") == 0)
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{
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client_info->use_bitmap_comp = 1;
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}
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}
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}
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list_delete(items);
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list_delete(values);
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g_file_close(fd);
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}
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return 0;
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}
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/*****************************************************************************/
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struct xrdp_rdp* APP_CC
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xrdp_rdp_create(struct xrdp_session* session, int sck)
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{
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struct xrdp_rdp* self;
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self = (struct xrdp_rdp*)g_malloc(sizeof(struct xrdp_rdp), 1);
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self->session = session;
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self->share_id = 66538;
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self->sec_layer = xrdp_sec_create(self, sck);
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/* read ini settings */
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xrdp_rdp_read_config(&self->client_info);
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return self;
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}
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/*****************************************************************************/
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void APP_CC
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xrdp_rdp_delete(struct xrdp_rdp* self)
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{
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if (self == 0)
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{
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return;
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}
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xrdp_sec_delete(self->sec_layer);
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g_free(self);
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_rdp_init(struct xrdp_rdp* self, struct stream* s)
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{
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if (xrdp_sec_init(self->sec_layer, s) != 0)
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{
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return 1;
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}
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s_push_layer(s, rdp_hdr, 6);
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_rdp_init_data(struct xrdp_rdp* self, struct stream* s)
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{
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if (xrdp_sec_init(self->sec_layer, s) != 0)
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{
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return 1;
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}
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s_push_layer(s, rdp_hdr, 18);
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return 0;
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}
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/*****************************************************************************/
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/* returns erros */
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int APP_CC
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xrdp_rdp_recv(struct xrdp_rdp* self, struct stream* s, int* code)
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{
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int error;
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int len;
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int pdu_code;
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int chan;
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DEBUG(("in xrdp_rdp_recv\n\r"));
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if (s->next_packet == 0 || s->next_packet >= s->end)
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{
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chan = 0;
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error = xrdp_sec_recv(self->sec_layer, s, &chan);
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if (error == -1) /* special code for send demand active */
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{
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s->next_packet = 0;
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*code = -1;
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DEBUG(("out xrdp_rdp_recv\n\r"));
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return 0;
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}
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if (error != 0)
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{
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DEBUG(("out xrdp_rdp_recv error\n\r"));
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return 1;
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}
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if (chan != MCS_GLOBAL_CHANNEL && chan > 0)
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{
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s->next_packet = 0;
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*code = 0;
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DEBUG(("out xrdp_rdp_recv\n\r"));
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return 0;
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}
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s->next_packet = s->p;
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}
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else
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{
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s->p = s->next_packet;
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}
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in_uint16_le(s, len);
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if (len == 0x8000)
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{
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s->next_packet += 8;
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*code = 0;
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DEBUG(("out xrdp_rdp_recv\n\r"));
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return 0;
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}
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in_uint16_le(s, pdu_code);
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*code = pdu_code & 0xf;
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in_uint8s(s, 2); /* mcs user id */
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s->next_packet += len;
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DEBUG(("out xrdp_rdp_recv\n\r"));
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_rdp_send(struct xrdp_rdp* self, struct stream* s, int pdu_type)
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{
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int len;
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DEBUG(("in xrdp_rdp_send\n\r"));
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s_pop_layer(s, rdp_hdr);
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len = s->end - s->p;
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out_uint16_le(s, len);
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out_uint16_le(s, 0x10 | pdu_type);
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out_uint16_le(s, self->mcs_channel);
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if (xrdp_sec_send(self->sec_layer, s, 0) != 0)
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{
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DEBUG(("out xrdp_rdp_send error\n\r"));
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return 1;
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}
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DEBUG(("out xrdp_rdp_send\n\r"));
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_rdp_send_data(struct xrdp_rdp* self, struct stream* s,
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int data_pdu_type)
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{
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int len;
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DEBUG(("in xrdp_rdp_send_data\n\r"));
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s_pop_layer(s, rdp_hdr);
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len = s->end - s->p;
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out_uint16_le(s, len);
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out_uint16_le(s, 0x10 | RDP_PDU_DATA);
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out_uint16_le(s, self->mcs_channel);
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out_uint32_le(s, self->share_id);
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out_uint8(s, 0);
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out_uint8(s, 1);
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out_uint16_le(s, len - 14);
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out_uint8(s, data_pdu_type);
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out_uint8(s, 0);
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out_uint16_le(s, 0);
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if (xrdp_sec_send(self->sec_layer, s, 0) != 0)
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{
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DEBUG(("out xrdp_rdp_send_data error\n\r"));
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return 1;
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}
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DEBUG(("out xrdp_rdp_send_data\n\r"));
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return 0;
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}
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/*****************************************************************************/
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static int APP_CC
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xrdp_rdp_parse_client_mcs_data(struct xrdp_rdp* self)
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{
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struct stream* p;
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int i;
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p = &self->sec_layer->client_mcs_data;
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p->p = p->data;
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in_uint8s(p, 31);
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in_uint16_le(p, self->client_info.width);
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in_uint16_le(p, self->client_info.height);
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in_uint8s(p, 120);
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self->client_info.bpp = 8;
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in_uint16_le(p, i);
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switch (i)
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{
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case 0xca01:
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in_uint8s(p, 6);
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in_uint8(p, i);
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if (i > 8)
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{
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self->client_info.bpp = i;
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}
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break;
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case 0xca02:
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self->client_info.bpp = 15;
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break;
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case 0xca03:
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self->client_info.bpp = 16;
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break;
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case 0xca04:
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self->client_info.bpp = 24;
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break;
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}
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p->p = p->data;
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DEBUG(("client width %d, client height %d bpp %d\n\r",
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self->client_info.width, self->client_info.height,
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self->client_info.bpp));
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_rdp_incoming(struct xrdp_rdp* self)
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{
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DEBUG(("in xrdp_rdp_incoming\n\r"));
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if (xrdp_sec_incoming(self->sec_layer) != 0)
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{
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return 1;
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}
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self->mcs_channel = self->sec_layer->mcs_layer->userid +
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MCS_USERCHANNEL_BASE;
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xrdp_rdp_parse_client_mcs_data(self);
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DEBUG(("out xrdp_rdp_incoming mcs channel %d\n\r", self->mcs_channel));
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return 0;
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}
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/*****************************************************************************/
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int APP_CC
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xrdp_rdp_send_demand_active(struct xrdp_rdp* self)
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{
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struct stream* s;
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make_stream(s);
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init_stream(s, 8192);
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if (xrdp_rdp_init(self, s) != 0)
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{
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free_stream(s);
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return 1;
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}
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out_uint32_le(s, self->share_id);
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out_uint32_be(s, 0x04000401);
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out_uint32_be(s, 0x524e5300);
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out_uint32_be(s, 0x08000000);
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out_uint32_be(s, 0x09000800);
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out_uint16_le(s, self->mcs_channel);
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out_uint16_be(s, 0xb5e2);
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/* Output general capability set */
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out_uint16_le(s, RDP_CAPSET_GENERAL); /* 1 */
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out_uint16_le(s, RDP_CAPLEN_GENERAL); /* 24(0x18) */
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out_uint16_le(s, 1); /* OS major type */
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out_uint16_le(s, 3); /* OS minor type */
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out_uint16_le(s, 0x200); /* Protocol version */
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out_uint16_le(s, 0); /* pad */
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out_uint16_le(s, 0); /* Compression types */
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out_uint16_le(s, 0); /* pad */
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out_uint16_le(s, 0); /* Update capability */
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out_uint16_le(s, 0); /* Remote unshare capability */
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out_uint16_le(s, 0); /* Compression level */
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out_uint16_le(s, 0); /* Pad */
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/* Output bitmap capability set */
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out_uint16_le(s, RDP_CAPSET_BITMAP); /* 2 */
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out_uint16_le(s, RDP_CAPLEN_BITMAP); /* 28(0x1c) */
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out_uint16_le(s, self->client_info.bpp); /* Preferred BPP */
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out_uint16_le(s, 1); /* Receive 1 BPP */
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out_uint16_le(s, 1); /* Receive 4 BPP */
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out_uint16_le(s, 1); /* Receive 8 BPP */
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out_uint16_le(s, self->client_info.width); /* width */
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out_uint16_le(s, self->client_info.height); /* height */
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out_uint16_le(s, 0); /* Pad */
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out_uint16_le(s, 1); /* Allow resize */
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out_uint16_le(s, 1); /* bitmap compression */
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out_uint16_le(s, 0); /* unknown */
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out_uint16_le(s, 0); /* unknown */
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out_uint16_le(s, 0); /* pad */
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/* Output ? */
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out_uint16_le(s, 14);
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out_uint16_le(s, 4);
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/* Output order capability set */
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out_uint16_le(s, RDP_CAPSET_ORDER); /* 3 */
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out_uint16_le(s, RDP_CAPLEN_ORDER); /* 88(0x58) */
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out_uint8s(s, 16);
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out_uint32_be(s, 0x40420f00);
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out_uint16_le(s, 1); /* Cache X granularity */
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out_uint16_le(s, 20); /* Cache Y granularity */
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out_uint16_le(s, 0); /* Pad */
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out_uint16_le(s, 1); /* Max order level */
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out_uint16_le(s, 0x2f); /* Number of fonts */
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out_uint16_le(s, 0x22); /* Capability flags */
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/* caps */
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out_uint8(s, 1); /* dest blt */
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out_uint8(s, 1); /* pat blt */
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out_uint8(s, 1); /* screen blt */
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out_uint8(s, 1); /* memblt */
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 0);
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out_uint8(s, 0);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 1);
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out_uint8(s, 0);
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out_uint8(s, 0);
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out_uint8(s, 0);
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out_uint16_le(s, 0x6a1);
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out_uint8s(s, 6); /* ? */
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out_uint32_le(s, 0x0f4240); /* desk save */
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out_uint32_le(s, 0); /* ? */
|
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out_uint32_le(s, 0); /* ? */
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|
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/* Output color cache capability set */
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out_uint16_le(s, RDP_CAPSET_COLCACHE);
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out_uint16_le(s, RDP_CAPLEN_COLCACHE);
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out_uint16_le(s, 6); /* cache size */
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out_uint16_le(s, 0); /* pad */
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|
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/* Output pointer capability set */
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out_uint16_le(s, RDP_CAPSET_POINTER);
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out_uint16_le(s, RDP_CAPLEN_POINTER);
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out_uint16_le(s, 1); /* Colour pointer */
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out_uint16_le(s, 0x19); /* Cache size */
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|
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/* Output ? */
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out_uint16_le(s, 0xd);
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out_uint16_le(s, 0x58); /* 88 */
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out_uint8(s, 1);
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out_uint8s(s, 83);
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|
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s_mark_end(s);
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|
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if (xrdp_rdp_send(self, s, RDP_PDU_DEMAND_ACTIVE) != 0)
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{
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free_stream(s);
|
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return 1;
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}
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|
|
|
free_stream(s);
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return 0;
|
|
}
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|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
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xrdp_process_capset_general(struct xrdp_rdp* self, struct stream* s,
|
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int len)
|
|
{
|
|
int i;
|
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|
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in_uint8s(s, 10);
|
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in_uint16_le(s, i);
|
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self->client_info.use_compact_packets = (i != 0);
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return 0;
|
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}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
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xrdp_process_capset_order(struct xrdp_rdp* self, struct stream* s,
|
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int len)
|
|
{
|
|
int i;
|
|
|
|
in_uint8s(s, 72);
|
|
in_uint32_le(s, i); /* desktop cache size, usually 0x38400 */
|
|
self->client_info.desktop_cache = i;
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* get the bitmap cache size */
|
|
static int APP_CC
|
|
xrdp_process_capset_bmpcache(struct xrdp_rdp* self, struct stream* s,
|
|
int len)
|
|
{
|
|
in_uint8s(s, 24);
|
|
in_uint16_le(s, self->client_info.cache1_entries);
|
|
in_uint16_le(s, self->client_info.cache1_size);
|
|
in_uint16_le(s, self->client_info.cache2_entries);
|
|
in_uint16_le(s, self->client_info.cache2_size);
|
|
in_uint16_le(s, self->client_info.cache3_entries);
|
|
in_uint16_le(s, self->client_info.cache3_size);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* get the number of client cursor cache */
|
|
static int APP_CC
|
|
xrdp_process_capset_pointercache(struct xrdp_rdp* self, struct stream* s,
|
|
int len)
|
|
{
|
|
int i;
|
|
|
|
in_uint8s(s, 2); /* color pointer */
|
|
in_uint16_le(s, i);
|
|
i = MIN(i, 32);
|
|
self->client_info.pointer_cache_entries = i;
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_rdp_process_confirm_active(struct xrdp_rdp* self, struct stream* s)
|
|
{
|
|
int cap_len;
|
|
int source_len;
|
|
int num_caps;
|
|
int index;
|
|
int type;
|
|
int len;
|
|
char* p;
|
|
|
|
in_uint8s(s, 4); /* rdp_shareid */
|
|
in_uint8s(s, 2); /* userid */
|
|
in_uint16_le(s, source_len); /* sizeof RDP_SOURCE */
|
|
in_uint16_le(s, cap_len);
|
|
in_uint8s(s, source_len);
|
|
in_uint16_le(s, num_caps);
|
|
in_uint8s(s, 2); /* pad */
|
|
for (index = 0; index < num_caps; index++)
|
|
{
|
|
p = s->p;
|
|
in_uint16_le(s, type);
|
|
in_uint16_le(s, len);
|
|
switch (type)
|
|
{
|
|
case RDP_CAPSET_GENERAL: /* 1 */
|
|
xrdp_process_capset_general(self, s, len);
|
|
break;
|
|
case RDP_CAPSET_ORDER: /* 3 */
|
|
xrdp_process_capset_order(self, s, len);
|
|
break;
|
|
case RDP_CAPSET_BMPCACHE: /* 4 */
|
|
xrdp_process_capset_bmpcache(self, s, len);
|
|
break;
|
|
case RDP_CAPSET_POINTER: /* 8 */
|
|
xrdp_process_capset_pointercache(self, s, len);
|
|
break;
|
|
}
|
|
s->p = p + len;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_rdp_process_data_pointer(struct xrdp_rdp* self, struct stream* s)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* RDP_DATA_PDU_INPUT */
|
|
static int APP_CC
|
|
xrdp_rdp_process_data_input(struct xrdp_rdp* self, struct stream* s)
|
|
{
|
|
int num_events;
|
|
int index;
|
|
int msg_type;
|
|
int device_flags;
|
|
int param1;
|
|
int param2;
|
|
int time;
|
|
|
|
in_uint16_le(s, num_events);
|
|
in_uint8s(s, 2); /* pad */
|
|
DEBUG(("xrdp_rdp_process_data_input %d events\n\r", num_events));
|
|
for (index = 0; index < num_events; index++)
|
|
{
|
|
in_uint32_le(s, time);
|
|
in_uint16_le(s, msg_type);
|
|
in_uint16_le(s, device_flags);
|
|
in_sint16_le(s, param1);
|
|
in_sint16_le(s, param2);
|
|
DEBUG(("xrdp_rdp_process_data_input event %4.4x flags %4.4x param1 %d \
|
|
param2 %d time %d\n\r", msg_type, device_flags, param1, param2, time));
|
|
if (self->session->callback != 0)
|
|
{
|
|
/* msg_type can be
|
|
RDP_INPUT_SYNCHRONIZE - 0
|
|
RDP_INPUT_SCANCODE - 4
|
|
RDP_INPUT_MOUSE - 0x8001 */
|
|
self->session->callback(self->session->id, msg_type, param1, param2,
|
|
device_flags, time);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_rdp_send_synchronise(struct xrdp_rdp* self)
|
|
{
|
|
struct stream* s;
|
|
|
|
make_stream(s);
|
|
init_stream(s, 8192);
|
|
if (xrdp_rdp_init_data(self, s) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
out_uint16_le(s, 1);
|
|
out_uint16_le(s, 1002);
|
|
s_mark_end(s);
|
|
if (xrdp_rdp_send_data(self, s, RDP_DATA_PDU_SYNCHRONISE) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
free_stream(s);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_rdp_send_control(struct xrdp_rdp* self, int action)
|
|
{
|
|
struct stream* s;
|
|
|
|
make_stream(s);
|
|
init_stream(s, 8192);
|
|
if (xrdp_rdp_init_data(self, s) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
out_uint16_le(s, action);
|
|
out_uint16_le(s, 0); /* userid */
|
|
out_uint32_le(s, 1002); /* control id */
|
|
s_mark_end(s);
|
|
if (xrdp_rdp_send_data(self, s, RDP_DATA_PDU_CONTROL) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
free_stream(s);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_rdp_process_data_control(struct xrdp_rdp* self, struct stream* s)
|
|
{
|
|
int action;
|
|
|
|
in_uint16_le(s, action);
|
|
in_uint8s(s, 2); /* user id */
|
|
in_uint8s(s, 4); /* control id */
|
|
if (action == RDP_CTL_REQUEST_CONTROL)
|
|
{
|
|
xrdp_rdp_send_synchronise(self);
|
|
xrdp_rdp_send_control(self, RDP_CTL_COOPERATE);
|
|
xrdp_rdp_send_control(self, RDP_CTL_GRANT_CONTROL);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_rdp_process_data_sync(struct xrdp_rdp* self)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_rdp_process_screen_update(struct xrdp_rdp* self, struct stream* s)
|
|
{
|
|
int op;
|
|
int left;
|
|
int top;
|
|
int right;
|
|
int bottom;
|
|
int cx;
|
|
int cy;
|
|
|
|
in_uint32_le(s, op);
|
|
in_uint16_le(s, left);
|
|
in_uint16_le(s, top);
|
|
in_uint16_le(s, right);
|
|
in_uint16_le(s, bottom);
|
|
cx = (right - left) + 1;
|
|
cy = (bottom - top) + 1;
|
|
if (self->session->callback != 0)
|
|
{
|
|
self->session->callback(self->session->id, 0x4444, left, top, cx, cy);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_rdp_send_unknown1(struct xrdp_rdp* self)
|
|
{
|
|
struct stream* s;
|
|
|
|
make_stream(s);
|
|
init_stream(s, 8192);
|
|
if (xrdp_rdp_init_data(self, s) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
out_uint8a(s, unknown1, 172);
|
|
s_mark_end(s);
|
|
if (xrdp_rdp_send_data(self, s, 0x28) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
free_stream(s);
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
static int APP_CC
|
|
xrdp_rdp_process_data_font(struct xrdp_rdp* self, struct stream* s)
|
|
{
|
|
int seq;
|
|
|
|
in_uint8s(s, 2); /* num of fonts */
|
|
in_uint8s(s, 2); /* unknown */
|
|
in_uint16_le(s, seq);
|
|
/* 419 client sends Seq 1, then 2 */
|
|
/* 2600 clients sends only Seq 3 */
|
|
if (seq == 2 || seq == 3) /* after second font message, we are up and */
|
|
{ /* running */
|
|
xrdp_rdp_send_unknown1(self);
|
|
self->session->up_and_running = 1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* sent 37 pdu */
|
|
static int APP_CC
|
|
xrdp_rdp_send_disconnect_query_response(struct xrdp_rdp* self)
|
|
{
|
|
struct stream* s;
|
|
|
|
make_stream(s);
|
|
init_stream(s, 8192);
|
|
if (xrdp_rdp_init_data(self, s) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
s_mark_end(s);
|
|
if (xrdp_rdp_send_data(self, s, 37) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
free_stream(s);
|
|
return 0;
|
|
}
|
|
|
|
#if 0 /* not used */
|
|
/*****************************************************************************/
|
|
/* sent RDP_DATA_PDU_DISCONNECT 47 pdu */
|
|
static int APP_CC
|
|
xrdp_rdp_send_disconnect_reason(struct xrdp_rdp* self, int reason)
|
|
{
|
|
struct stream* s;
|
|
|
|
make_stream(s);
|
|
init_stream(s, 8192);
|
|
if (xrdp_rdp_init_data(self, s) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
out_uint32_le(s, reason);
|
|
s_mark_end(s);
|
|
if (xrdp_rdp_send_data(self, s, RDP_DATA_PDU_DISCONNECT) != 0)
|
|
{
|
|
free_stream(s);
|
|
return 1;
|
|
}
|
|
free_stream(s);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
/*****************************************************************************/
|
|
/* RDP_PDU_DATA */
|
|
int APP_CC
|
|
xrdp_rdp_process_data(struct xrdp_rdp* self, struct stream* s)
|
|
{
|
|
int len;
|
|
int data_type;
|
|
int ctype;
|
|
int clen;
|
|
|
|
in_uint8s(s, 6);
|
|
in_uint16_le(s, len);
|
|
in_uint8(s, data_type);
|
|
in_uint8(s, ctype);
|
|
in_uint16_le(s, clen);
|
|
DEBUG(("xrdp_rdp_process_data code %d\n\r", data_type));
|
|
switch (data_type)
|
|
{
|
|
case RDP_DATA_PDU_POINTER: /* 27 */
|
|
xrdp_rdp_process_data_pointer(self, s);
|
|
break;
|
|
case RDP_DATA_PDU_INPUT: /* 28 */
|
|
xrdp_rdp_process_data_input(self, s);
|
|
break;
|
|
case RDP_DATA_PDU_CONTROL: /* 20 */
|
|
xrdp_rdp_process_data_control(self, s);
|
|
break;
|
|
case RDP_DATA_PDU_SYNCHRONISE: /* 31 */
|
|
xrdp_rdp_process_data_sync(self);
|
|
break;
|
|
case 33: /* 33 ?? Invalidate an area I think */
|
|
xrdp_rdp_process_screen_update(self, s);
|
|
break;
|
|
case 35:
|
|
/* 35 ?? this comes when minimuzing a full screen mstsc.exe 2600 */
|
|
/* I think this is saying the client no longer wants screen */
|
|
/* updates and it will issue a 33 above to catch up */
|
|
/* so minimized apps don't take bandwidth */
|
|
break;
|
|
case 36: /* 36 ?? disconnect query? */
|
|
/* when this message comes, send a 37 back so the client */
|
|
/* is sure the connection is alive and it can ask if user */
|
|
/* really wants to disconnect */
|
|
xrdp_rdp_send_disconnect_query_response(self); /* send a 37 back */
|
|
break;
|
|
case RDP_DATA_PDU_FONT2: /* 39 */
|
|
xrdp_rdp_process_data_font(self, s);
|
|
break;
|
|
default:
|
|
g_printf("unknown in xrdp_rdp_process_data %d\n\r", data_type);
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
int APP_CC
|
|
xrdp_rdp_disconnect(struct xrdp_rdp* self)
|
|
{
|
|
return xrdp_sec_disconnect(self->sec_layer);
|
|
}
|