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-rw-r--r--xrdp/xrdp.c43
-rw-r--r--xrdp/xrdp.h2
-rw-r--r--xrdp/xrdp_listen.c31
-rw-r--r--xrdp/xrdp_mm.c17
-rw-r--r--xrdp/xrdp_process.c2
-rw-r--r--xrdp/xrdp_types.h2
-rw-r--r--xrdp/xrdp_wm.c17
-rw-r--r--xrdp/xrdpwin.c2
8 files changed, 88 insertions, 28 deletions
diff --git a/xrdp/xrdp.c b/xrdp/xrdp.c
index 8fbbd8f7..ec019222 100644
--- a/xrdp/xrdp.c
+++ b/xrdp/xrdp.c
@@ -23,6 +23,8 @@
#include "xrdp.h"
#include "log.h"
+#define THREAD_WAITING 100
+
static struct xrdp_listen* g_listen = 0;
static long g_threadid = 0; /* main threadid */
@@ -38,6 +40,9 @@ static long g_sync_param2 = 0;
static long (*g_sync_func)(long param1, long param2);
/*****************************************************************************/
+/* This function is used to run a function from the main thread.
+ Sync_func is the function pointer that will run from main thread
+ The function can have two long in parameters and must return long */
long APP_CC
g_xrdp_sync(long (*sync_func)(long param1, long param2), long sync_param1,
long sync_param2)
@@ -45,32 +50,46 @@ g_xrdp_sync(long (*sync_func)(long param1, long param2), long sync_param1,
long sync_result;
int sync_command;
+ /* If the function is called from the main thread, the function can
+ * be called directly. g_threadid= main thread ID*/
if (tc_threadid_equal(tc_get_threadid(), g_threadid))
{
/* this is the main thread, call the function directly */
/* in fork mode, this always happens too */
sync_result = sync_func(sync_param1, sync_param2);
+ /*g_writeln("g_xrdp_sync processed IN main thread -> continue");*/
}
else
{
+ /* All threads have to wait here until the main thread
+ * process the function. g_process_waiting_function() is called
+ * from the listening thread. g_process_waiting_function() process the function*/
tc_mutex_lock(g_sync1_mutex);
tc_mutex_lock(g_sync_mutex);
g_sync_param1 = sync_param1;
g_sync_param2 = sync_param2;
g_sync_func = sync_func;
- g_sync_command = 100;
+ /* set a value THREAD_WAITING so the g_process_waiting_function function
+ * know if any function must be processed */
+ g_sync_command = THREAD_WAITING;
tc_mutex_unlock(g_sync_mutex);
- g_set_wait_obj(g_sync_event);
+ /* set this event so that the main thread know if
+ * g_process_waiting_function() must be called */
+ g_set_wait_obj(g_sync_event);
do
{
g_sleep(100);
tc_mutex_lock(g_sync_mutex);
- sync_command = g_sync_command;
+ /* load new value from global to see if the g_process_waiting_function()
+ * function has processed the function */
+ sync_command = g_sync_command;
sync_result = g_sync_result;
tc_mutex_unlock(g_sync_mutex);
}
- while (sync_command != 0);
+ while (sync_command != 0); /* loop until g_process_waiting_function()
+ * has processed the request*/
tc_mutex_unlock(g_sync1_mutex);
+ /*g_writeln("g_xrdp_sync processed BY main thread -> continue");*/
}
return sync_result;
}
@@ -160,15 +179,17 @@ pipe_sig(int sig_num)
}
/*****************************************************************************/
+/*Some function must be called from the main thread.
+ if g_sync_command==THREAD_WAITING a function is waiting to be processed*/
void APP_CC
-g_loop(void)
+g_process_waiting_function(void)
{
tc_mutex_lock(g_sync_mutex);
if (g_sync_command != 0)
{
if (g_sync_func != 0)
{
- if (g_sync_command == 100)
+ if (g_sync_command == THREAD_WAITING)
{
g_sync_result = g_sync_func(g_sync_param1, g_sync_param2);
}
@@ -490,13 +511,17 @@ main(int argc, char** argv)
pid = g_getpid();
g_snprintf(text, 255, "xrdp_%8.8x_main_term", pid);
g_term_event = g_create_wait_obj(text);
- g_snprintf(text, 255, "xrdp_%8.8x_main_sync", pid);
- g_sync_event = g_create_wait_obj(text);
if (g_term_event == 0)
{
g_writeln("error creating g_term_event");
}
- g_listen->startup_params = startup_params;
+ g_snprintf(text, 255, "xrdp_%8.8x_main_sync", pid);
+ g_sync_event = g_create_wait_obj(text);
+ if (g_sync_event == 0)
+ {
+ g_writeln("error creating g_sync_event");
+ }
+ g_listen->startup_params = startup_params;
xrdp_listen_main_loop(g_listen);
xrdp_listen_delete(g_listen);
tc_mutex_delete(g_sync_mutex);
diff --git a/xrdp/xrdp.h b/xrdp/xrdp.h
index 0bc4a24d..2ef81659 100644
--- a/xrdp/xrdp.h
+++ b/xrdp/xrdp.h
@@ -52,7 +52,7 @@ g_get_term_event(void);
tbus APP_CC
g_get_sync_event(void);
void APP_CC
-g_loop(void);
+g_process_waiting_function(void);
/* xrdp_cache.c */
struct xrdp_cache* APP_CC
diff --git a/xrdp/xrdp_listen.c b/xrdp/xrdp_listen.c
index 312ae5e4..f6dba5c8 100644
--- a/xrdp/xrdp_listen.c
+++ b/xrdp/xrdp_listen.c
@@ -37,6 +37,10 @@ xrdp_listen_create_pro_done(struct xrdp_listen* self)
pid = g_getpid();
g_snprintf(text, 255, "xrdp_%8.8x_listen_pro_done_event", pid);
self->pro_done_event = g_create_wait_obj(text);
+ if(self->pro_done_event == 0)
+ {
+ g_writeln("Failure creating pro_done_event");
+ }
return 0;
}
@@ -294,7 +298,7 @@ xrdp_listen_main_loop(struct xrdp_listen* self)
{
self->listen_trans->trans_conn_in = xrdp_listen_conn_in;
self->listen_trans->callback_data = self;
- term_obj = g_get_term_event();
+ term_obj = g_get_term_event(); /*Global termination event */
sync_obj = g_get_sync_event();
done_obj = self->pro_done_event;
cont = 1;
@@ -306,31 +310,33 @@ xrdp_listen_main_loop(struct xrdp_listen* self)
robjs[robjs_count++] = sync_obj;
robjs[robjs_count++] = done_obj;
timeout = -1;
- if (trans_get_wait_objs(self->listen_trans, robjs, &robjs_count,
- &timeout) != 0)
+ if (trans_get_wait_objs(self->listen_trans, robjs, &robjs_count) != 0)
{
+ g_writeln("Listening socket is in wrong state we terminate listener") ;
break;
}
- /* wait */
+ /* wait - timeout -1 means wait indefinitely*/
if (g_obj_wait(robjs, robjs_count, 0, 0, timeout) != 0)
{
/* error, should not get here */
g_sleep(100);
}
- if (g_is_wait_obj_set(term_obj)) /* term */
+ if (g_is_wait_obj_set(term_obj)) /* termination called */
{
break;
}
- if (g_is_wait_obj_set(sync_obj)) /* sync */
+ if (g_is_wait_obj_set(sync_obj)) /* some function must be processed by this thread */
{
g_reset_wait_obj(sync_obj);
- g_loop();
+ g_process_waiting_function(); /* run the function */
}
if (g_is_wait_obj_set(done_obj)) /* pro_done_event */
{
- g_reset_wait_obj(done_obj);
+ g_reset_wait_obj(done_obj);
+ /* a process has died remove it from lists*/
xrdp_listen_delete_done_pro(self);
}
+ /* Run the callback when accept() returns a new socket*/
if (trans_check_wait_objs(self->listen_trans) != 0)
{
break;
@@ -347,20 +353,21 @@ xrdp_listen_main_loop(struct xrdp_listen* self)
{
break;
}
+ timeout = -1;
/* build the wait obj list */
robjs_count = 0;
robjs[robjs_count++] = sync_obj;
robjs[robjs_count++] = done_obj;
- /* wait */
- if (g_obj_wait(robjs, robjs_count, 0, 0, -1) != 0)
+ /* wait - timeout -1 means wait indefinitely*/
+ if (g_obj_wait(robjs, robjs_count, 0, 0, timeout) != 0)
{
/* error, should not get here */
g_sleep(100);
}
- if (g_is_wait_obj_set(sync_obj)) /* sync */
+ if (g_is_wait_obj_set(sync_obj)) /* some function must be processed by this thread */
{
g_reset_wait_obj(sync_obj);
- g_loop();
+ g_process_waiting_function(); /* run the function that is waiting*/
}
if (g_is_wait_obj_set(done_obj)) /* pro_done_event */
{
diff --git a/xrdp/xrdp_mm.c b/xrdp/xrdp_mm.c
index ec19e008..4060fd86 100644
--- a/xrdp/xrdp_mm.c
+++ b/xrdp/xrdp_mm.c
@@ -62,6 +62,7 @@ xrdp_mm_sync_load(long param1, long param2)
static void APP_CC
xrdp_mm_module_cleanup(struct xrdp_mm* self)
{
+ g_writeln("xrdp_mm_module_cleanup");
if (self->mod != 0)
{
if (self->mod_exit != 0)
@@ -72,7 +73,7 @@ xrdp_mm_module_cleanup(struct xrdp_mm* self)
}
if (self->mod_handle != 0)
{
- /* main thread unload */
+ /* Let the main thread unload the module.*/
g_xrdp_sync(xrdp_mm_sync_unload, self->mod_handle, 0);
}
trans_delete(self->chan_trans);
@@ -280,6 +281,7 @@ xrdp_mm_setup_mod1(struct xrdp_mm* self)
}
if (self->mod_handle == 0)
{
+ /* Let the main thread load the lib,*/
self->mod_handle = g_xrdp_sync(xrdp_mm_sync_load, (long)lib, 0);
if (self->mod_handle != 0)
{
@@ -315,6 +317,8 @@ xrdp_mm_setup_mod1(struct xrdp_mm* self)
g_writeln("loaded module '%s' ok, interface size %d, version %d", lib,
self->mod->size, self->mod->version);
}
+ }else{
+ g_writeln("no mod_init or mod_exit address found");
}
}
else
@@ -322,6 +326,7 @@ xrdp_mm_setup_mod1(struct xrdp_mm* self)
g_snprintf(text, 255, "error loading %s specified in xrdp.ini, please "
"add a valid entry like lib=libxrdp-vnc.so or similar", lib);
xrdp_wm_log_msg(self->wm, text);
+ return 1 ;
}
if (self->mod != 0)
{
@@ -1039,20 +1044,25 @@ xrdp_mm_connect(struct xrdp_mm* self)
if (xrdp_mm_setup_mod2(self) == 0)
{
xrdp_wm_set_login_mode(self->wm, 10);
+ rv = 0 ; /*sucess*/
}
else
{
/* connect error */
g_snprintf(errstr, 255, "Failure to connect to: %s port: %s",
ip, port);
+ g_writeln(errstr);
xrdp_wm_log_msg(self->wm, errstr);
rv = 1; /* failure */
}
+ }else{
+ g_writeln("Failure setting up module");
}
if (self->wm->login_mode != 10)
{
xrdp_wm_set_login_mode(self->wm, 11);
xrdp_mm_module_cleanup(self);
+ rv = 1 ; /* failure */
}
}
self->sesman_controlled = use_sesman;
@@ -1063,6 +1073,7 @@ xrdp_mm_connect(struct xrdp_mm* self)
/* if sesman controlled, this will connect later */
xrdp_mm_connect_chansrv(self, "", chansrvport);
}
+ g_writeln("returnvalue from xrdp_mm_connect %d",rv);
return rv;
}
@@ -1082,11 +1093,11 @@ xrdp_mm_get_wait_objs(struct xrdp_mm* self,
rv = 0;
if ((self->sesman_trans != 0) && self->sesman_trans_up)
{
- trans_get_wait_objs(self->sesman_trans, read_objs, rcount, timeout);
+ trans_get_wait_objs(self->sesman_trans, read_objs, rcount);
}
if ((self->chan_trans != 0) && self->chan_trans_up)
{
- trans_get_wait_objs(self->chan_trans, read_objs, rcount, timeout);
+ trans_get_wait_objs(self->chan_trans, read_objs, rcount);
}
if (self->mod != 0)
{
diff --git a/xrdp/xrdp_process.c b/xrdp/xrdp_process.c
index df69d057..7a88d524 100644
--- a/xrdp/xrdp_process.c
+++ b/xrdp/xrdp_process.c
@@ -161,7 +161,7 @@ xrdp_process_main_loop(struct xrdp_process* self)
robjs[robjs_count++] = self->self_term_event;
xrdp_wm_get_wait_objs(self->wm, robjs, &robjs_count,
wobjs, &wobjs_count, &timeout);
- trans_get_wait_objs(self->server_trans, robjs, &robjs_count, &timeout);
+ trans_get_wait_objs(self->server_trans, robjs, &robjs_count);
/* wait */
if (g_obj_wait(robjs, robjs_count, wobjs, wobjs_count, timeout) != 0)
{
diff --git a/xrdp/xrdp_types.h b/xrdp/xrdp_types.h
index 0366fd83..1e833d16 100644
--- a/xrdp/xrdp_types.h
+++ b/xrdp/xrdp_types.h
@@ -19,6 +19,8 @@
types
*/
+#define DEFAULT_STRING_LEN 255
+#define LOG_WINDOW_CHAR_PER_LINE 60
/* lib */
struct xrdp_mod
diff --git a/xrdp/xrdp_wm.c b/xrdp/xrdp_wm.c
index 3f9d3c6e..c486f67b 100644
--- a/xrdp/xrdp_wm.c
+++ b/xrdp/xrdp_wm.c
@@ -1556,6 +1556,21 @@ xrdp_wm_log_wnd_notify(struct xrdp_bitmap* wnd,
return 0;
}
+ void add_string_to_logwindow(char *msg,struct list* log)
+ {
+
+ char *new_part_message;
+ char *current_pointer = msg ;
+ int processedlen = 0;
+ do{
+ new_part_message = g_strndup(current_pointer,LOG_WINDOW_CHAR_PER_LINE) ;
+ g_writeln(new_part_message);
+ list_add_item(log, (long)new_part_message);
+ processedlen = processedlen + g_strlen(new_part_message);
+ current_pointer = current_pointer + g_strlen(new_part_message) ;
+ }while((processedlen<g_strlen(msg)) && (processedlen<DEFAULT_STRING_LEN));
+ }
+
/*****************************************************************************/
int APP_CC
xrdp_wm_log_msg(struct xrdp_wm* self, char* msg)
@@ -1570,7 +1585,7 @@ xrdp_wm_log_msg(struct xrdp_wm* self, char* msg)
{
return 0;
}
- list_add_item(self->log, (long)g_strdup(msg));
+ add_string_to_logwindow(msg,self->log);
if (self->log_wnd == 0)
{
w = DEFAULT_WND_LOG_W;
diff --git a/xrdp/xrdpwin.c b/xrdp/xrdpwin.c
index d2c2d0f3..849f7112 100644
--- a/xrdp/xrdpwin.c
+++ b/xrdp/xrdpwin.c
@@ -140,7 +140,7 @@ pipe_sig(int sig_num)
/*****************************************************************************/
void APP_CC
-g_loop(void)
+g_process_waiting_function(void)
{
tc_mutex_lock(g_sync_mutex);
if (g_sync_command != 0)