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/* BSD-2-Clause license
*
* Copyright (c) 2018-2023 NST <www.newinfosec.ru>, sss <sss at dark-alexandr dot net>.
*
*/
#include <unistd.h>
#include <freerdp/freerdp.h>
#include <freerdp/gdi/gdi.h>
#include <webrdp_core_api.h>
#include <webrdp_module_api.h>
#include "rdp_backend_api.h"
#include "rdp_impl.h"
#include "rdp_display_output.h"
#include "rdp_user_input.h"
#include "rdp_clipboard.h"
#include "rdp_ft.h"
#include "rdp_module.h"
#include "rdp_settings.h"
/* static void
send_termination_message (rdp_internals* i)
{
i->core->send_termination_msg (i->task_info);
} */
static bool
rdp_init(void *internals)
{
bool ret = true;
if (!rdp_init_internals(internals))
{
/* TODO: handle error */
return false;
}
if (!((rdp_internals *)internals)->instance)
{
/* TODO: handle error */
ret = false;
}
if (!rdp_init_settings(internals))
{
/* TODO: handle error */
ret = false;
}
if (!rdp_connect(internals))
{
/* TODO: handle error */
ret = false;
}
if (!ret)
{
rdp_internals *i = internals;
i->core->api_msgs->send_error_msg(
"rdp_module_internal_error", i->task_info);
/*send_termination_message (i);*/
i->core->api_core->task_finished(false, i->task_info);
}
return ret;
}
static void
destroy_rdp(void *internals)
{
rdp_internals *_i = internals;
/* stop all rdp fd's watchers */
int i;
for (i = 0; i < _i->rdp_fd_count; ++i)
{
if (ev_is_active(&(_i->rdp_fd[i])))
{
ev_io_stop(
_i->core->api_core->get_libev_loop(_i->task_info),
&(_i->rdp_fd[i]));
}
}
if (_i->conn_state == rdp_conn_state_connected)
{
freerdp_disconnect(_i->instance);
_i->conn_state = rdp_conn_state_offline;
}
_i->rdp_fd_count = 0;
if (_i->context)
{
if (_i->context->clipboard && _i->context->clipboard->srv_fmts
&& _i->context->clipboard->srv_fmts_count)
{
for (i = 0; i < _i->context->clipboard->srv_fmts_count;
++i)
{
if (_i->context->clipboard->srv_fmts[i]
.rdp_fmt.formatName)
{
free(_i->context->clipboard->srv_fmts[i]
.rdp_fmt.formatName);
}
}
free(_i->context->clipboard->srv_fmts);
}
if (_i->context->clipboard && _i->context->clipboard->clipboard)
{
ClipboardDestroy(_i->context->clipboard->clipboard);
}
if (_i->context->clipboard
&& _i->context->clipboard->client_filelist_cache)
{
free(_i->context->clipboard->client_filelist_cache);
_i->context->clipboard->client_filelist_cache = 0;
}
free(_i->context->ft_to_client);
free(_i->context->ft_to_server);
}
if (_i->instance)
{
freerdp_context_free(_i->instance);
freerdp_free(_i->instance);
_i->instance = 0;
}
if (internals)
{
rdp_settings_free(internals);
internals = 0;
}
}
static void
rdp_set_task_info(void *task_info, void *internals)
{
rdp_internals *i = internals;
i->task_info = task_info;
}
bool
rdp_create(wrdp_core_exports *core, wrdp_backend_module *module)
{
wrdp_backend_module *backend = module;
if (!backend)
{
return false;
}
backend->callbacks_module->init = rdp_init;
backend->callbacks_module->destroy = destroy_rdp;
backend->callbacks_module->set_setting_int = rdp_set_setting_int;
backend->callbacks_module->set_setting_str = rdp_set_setting_str;
backend->callbacks_module->set_task_info = rdp_set_task_info;
register_input(backend);
register_clipboard(backend);
register_ft(backend);
backend->backend_internals = calloc(1, sizeof(rdp_internals));
if (!backend->backend_internals)
{
perror("calloc");
return false;
}
memset(&(((rdp_internals *)backend->backend_internals)->my_settings), 0,
sizeof(my_rdp_settings));
/* TODO: do we need to zero each option structure in settings ? */
{
rdp_internals *i = backend->backend_internals;
i->core = core;
i->backend = backend;
}
return true;
}
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