136 lines
4.2 KiB
C
136 lines
4.2 KiB
C
/**
|
|
* xrdp: A Remote Desktop Protocol server.
|
|
*
|
|
* Copyright (C) Jay Sorg 2004-2013
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
/**
|
|
*
|
|
* @file scp_v1_mng.c
|
|
* @brief scp version 1 implementation - management
|
|
* @author Jay Sorg, Simone Fedele
|
|
*
|
|
*/
|
|
|
|
#if defined(HAVE_CONFIG_H)
|
|
#include <config_ac.h>
|
|
#endif
|
|
|
|
#include "sesman.h"
|
|
|
|
#include "libscp.h"
|
|
|
|
extern struct config_sesman *g_cfg; /* in sesman.c */
|
|
|
|
static void parseCommonStates(enum SCP_SERVER_STATES_E e, const char *f);
|
|
|
|
/******************************************************************************/
|
|
void
|
|
scp_v1_mng_process(struct SCP_CONNECTION *c, struct SCP_SESSION *s)
|
|
{
|
|
long data;
|
|
enum SCP_SERVER_STATES_E e;
|
|
struct SCP_DISCONNECTED_SESSION *slist = 0;
|
|
int scount;
|
|
int end = 0;
|
|
|
|
data = auth_userpass(s->username, s->password, NULL);
|
|
/*LOG_DEVEL(LOG_LEVEL_DEBUG, "user: %s\npass: %s", s->username, s->password);*/
|
|
|
|
if (!data)
|
|
{
|
|
scp_v1s_mng_deny_connection(c, "Login failed");
|
|
LOG(LOG_LEVEL_INFO,
|
|
"[MNG] Login failed for user %s. Connection terminated", s->username);
|
|
auth_end(data);
|
|
return;
|
|
}
|
|
|
|
/* testing if login is allowed */
|
|
if (0 == access_login_mng_allowed(s->username))
|
|
{
|
|
scp_v1s_mng_deny_connection(c, "Access to Terminal Server not allowed.");
|
|
LOG(LOG_LEVEL_INFO,
|
|
"[MNG] User %s not allowed on TS. Connection terminated", s->username);
|
|
auth_end(data);
|
|
return;
|
|
}
|
|
|
|
e = scp_v1s_mng_allow_connection(c, s);
|
|
|
|
end = 1;
|
|
|
|
while (end)
|
|
{
|
|
switch (e)
|
|
{
|
|
case SCP_SERVER_STATE_MNG_ACTION:
|
|
LOG(LOG_LEVEL_INFO, "Connection cancelled after session listing");
|
|
break;
|
|
|
|
case SCP_SERVER_STATE_MNG_LISTREQ:
|
|
/* list disconnected sessions */
|
|
slist = session_get_byuser(NULL, &scount, SESMAN_SESSION_STATUS_ALL);
|
|
LOG_DEVEL(LOG_LEVEL_DEBUG, "sessions on TS: %d (slist: %p)", scount, slist);
|
|
if (0 == slist)
|
|
{
|
|
LOG(LOG_LEVEL_INFO, "No sessions on Terminal Server");
|
|
}
|
|
|
|
e = scp_v1s_mng_list_sessions(c, s, scount, slist);
|
|
g_free(slist);
|
|
break;
|
|
default:
|
|
/* we check the other errors */
|
|
parseCommonStates(e, "scp_v1s_mng_list_sessions()");
|
|
end = 0;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* cleanup */
|
|
auth_end(data);
|
|
}
|
|
|
|
static void parseCommonStates(enum SCP_SERVER_STATES_E e, const char *f)
|
|
{
|
|
switch (e)
|
|
{
|
|
case SCP_SERVER_STATE_VERSION_ERR:
|
|
LOG(LOG_LEVEL_WARNING, "version error");
|
|
case SCP_SERVER_STATE_SIZE_ERR:
|
|
/* an unknown scp version was requested, so we shut down the */
|
|
/* connection (and log the fact) */
|
|
LOG(LOG_LEVEL_WARNING,
|
|
"protocol violation. connection closed.");
|
|
break;
|
|
case SCP_SERVER_STATE_NETWORK_ERR:
|
|
LOG(LOG_LEVEL_WARNING, "libscp network error.");
|
|
break;
|
|
case SCP_SERVER_STATE_SEQUENCE_ERR:
|
|
LOG(LOG_LEVEL_WARNING, "libscp sequence error.");
|
|
break;
|
|
case SCP_SERVER_STATE_INTERNAL_ERR:
|
|
/* internal error occurred (eg. malloc() error, ecc.) */
|
|
LOG(LOG_LEVEL_ERROR, "libscp internal error occurred.");
|
|
break;
|
|
default:
|
|
/* dummy: scp_v1s_request_password won't generate any other */
|
|
/* error other than the ones before */
|
|
LOG(LOG_LEVEL_ALWAYS, "unknown return from %s", f);
|
|
break;
|
|
}
|
|
}
|