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xrdp-proprietary/sesman/config.c

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/**
* 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 config.c
* @brief User authentication code
* @author Simone Fedele @< simo [at] esseemme [dot] org @>
*
*/
#include "arch.h"
#include "list.h"
#include "file.h"
#include "sesman.h"
#include "log.h"
extern struct config_sesman *g_cfg; /* in sesman.c */
/******************************************************************************/
int DEFAULT_CC
config_read(struct config_sesman *cfg)
{
int fd;
struct list *sec;
struct list *param_n;
struct list *param_v;
char cfg_file[256];
g_snprintf(cfg_file, 255, "%s/sesman.ini", XRDP_CFG_PATH);
fd = g_file_open(cfg_file);
if (-1 == fd)
{
//if (g_cfg->log.fd >= 0)
//{
/* logging is already active */
log_message(LOG_LEVEL_ALWAYS, "error opening %s in \
config_read", cfg_file);
//}
//else
//{
g_printf("error opening %s in config_read", cfg_file);
//}
return 1;
}
g_memset(cfg, 0, sizeof(struct config_sesman));
sec = list_create();
sec->auto_free = 1;
file_read_sections(fd, sec);
param_n = list_create();
param_n->auto_free = 1;
param_v = list_create();
param_v->auto_free = 1;
/* read global config */
config_read_globals(fd, cfg, param_n, param_v);
/* read Xvnc/X11rdp/XOrg parameter list */
config_read_vnc_params(fd, cfg, param_n, param_v);
config_read_rdp_params(fd, cfg, param_n, param_v);
config_read_xorg_params(fd, cfg, param_n, param_v);
/* read logging config */
// config_read_logging(fd, &(cfg->log), param_n, param_v);
/* read security config */
config_read_security(fd, &(cfg->sec), param_n, param_v);
/* read session config */
config_read_sessions(fd, &(cfg->sess), param_n, param_v);
config_read_session_variables(fd, cfg, param_n, param_v);
/* cleanup */
list_delete(sec);
list_delete(param_v);
list_delete(param_n);
g_file_close(fd);
return 0;
}
/******************************************************************************/
int DEFAULT_CC
config_read_globals(int file, struct config_sesman *cf, struct list *param_n,
struct list *param_v)
{
int i;
char *buf;
list_clear(param_v);
list_clear(param_n);
/* resetting the struct */
cf->listen_address[0] = '\0';
cf->listen_port[0] = '\0';
cf->enable_user_wm = 0;
cf->user_wm[0] = '\0';
cf->default_wm[0] = '\0';
cf->auth_file_path = 0;
file_read_section(file, SESMAN_CFG_GLOBALS, param_n, param_v);
for (i = 0; i < param_n->count; i++)
{
buf = (char *)list_get_item(param_n, i);
if (0 == g_strcasecmp(buf, SESMAN_CFG_DEFWM))
{
g_strncpy(cf->default_wm, (char *)list_get_item(param_v, i), 31);
}
else if (0 == g_strcasecmp(buf, SESMAN_CFG_USERWM))
{
g_strncpy(cf->user_wm, (char *)list_get_item(param_v, i), 31);
}
else if (0 == g_strcasecmp(buf, SESMAN_CFG_ENABLE_USERWM))
{
cf->enable_user_wm = g_text2bool((char *)list_get_item(param_v, i));
}
else if (0 == g_strcasecmp(buf, SESMAN_CFG_PORT))
{
g_strncpy(cf->listen_port, (char *)list_get_item(param_v, i), 15);
}
else if (0 == g_strcasecmp(buf, SESMAN_CFG_ADDRESS))
{
g_strncpy(cf->listen_address, (char *)list_get_item(param_v, i), 31);
}
else if (0 == g_strcasecmp(buf, SESMAN_CFG_AUTH_FILE_PATH))
{
cf->auth_file_path = g_strdup((char *)list_get_item(param_v, i));
}
}
/* checking for missing required parameters */
if ('\0' == cf->listen_address[0])
{
g_strncpy(cf->listen_address, "0.0.0.0", 8);
}
if ('\0' == cf->listen_port[0])
{
g_strncpy(cf->listen_port, "3350", 5);
}
if ('\0' == cf->user_wm[0])
{
cf->enable_user_wm = 0;
}
if ('\0' == cf->default_wm[0])
{
g_strncpy(cf->default_wm, "startwm.sh", 11);
}
/* showing read config */
g_printf("sesman config:\r\n");
g_printf("\tListenAddress: %s\r\n", cf->listen_address);
g_printf("\tListenPort: %s\r\n", cf->listen_port);
g_printf("\tEnableUserWindowManager: %i\r\n", cf->enable_user_wm);
g_printf("\tUserWindowManager: %s\r\n", cf->user_wm);
g_printf("\tDefaultWindowManager: %s\r\n", cf->default_wm);
g_printf("\tAuthFilePath: %s\r\n", ((cf->auth_file_path) ? (cf->auth_file_path) : ("disabled")));
return 0;
}
/******************************************************************************
int DEFAULT_CC
config_read_logging(int file, struct log_config* lc, struct list* param_n,
struct list* param_v)
{
int i;
char* buf;
list_clear(param_v);
list_clear(param_n);
// setting defaults
lc->program_name = g_strdup("sesman");
lc->log_file = 0;
lc->fd = 0;
lc->log_level = LOG_LEVEL_DEBUG;
lc->enable_syslog = 0;
lc->syslog_level = LOG_LEVEL_DEBUG;
file_read_section(file, SESMAN_CFG_LOGGING, param_n, param_v);
for (i = 0; i < param_n->count; i++)
{
buf = (char*)list_get_item(param_n, i);
if (0 == g_strcasecmp(buf, SESMAN_CFG_LOG_FILE))
{
lc->log_file = g_strdup((char*)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_LOG_LEVEL))
{
lc->log_level = log_text2level((char*)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_LOG_ENABLE_SYSLOG))
{
lc->enable_syslog = g_text2bool((char*)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_LOG_SYSLOG_LEVEL))
{
lc->syslog_level = log_text2level((char*)list_get_item(param_v, i));
}
}
if (0 == lc->log_file)
{
lc->log_file=g_strdup("./sesman.log");
}
g_printf("logging configuration:\r\n");
g_printf("\tLogFile: %s\r\n",lc->log_file);
g_printf("\tLogLevel: %i\r\n", lc->log_level);
g_printf("\tEnableSyslog: %i\r\n", lc->enable_syslog);
g_printf("\tSyslogLevel: %i\r\n", lc->syslog_level);
return 0;
}
*/
/******************************************************************************/
int DEFAULT_CC
config_read_security(int file, struct config_security *sc,
struct list *param_n,
struct list *param_v)
{
int i;
int gid;
char *buf;
list_clear(param_v);
list_clear(param_n);
/* setting defaults */
sc->allow_root = 0;
sc->login_retry = 3;
sc->ts_users_enable = 0;
sc->ts_admins_enable = 0;
file_read_section(file, SESMAN_CFG_SECURITY, param_n, param_v);
for (i = 0; i < param_n->count; i++)
{
buf = (char *)list_get_item(param_n, i);
if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_ALLOW_ROOT))
{
sc->allow_root = g_text2bool((char *)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_LOGIN_RETRY))
{
sc->login_retry = g_atoi((char *)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_USR_GROUP))
{
if (g_getgroup_info((char *)list_get_item(param_v, i), &gid) == 0)
{
sc->ts_users_enable = 1;
sc->ts_users = gid;
}
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_ADM_GROUP))
{
if (g_getgroup_info((char *)list_get_item(param_v, i), &gid) == 0)
{
sc->ts_admins_enable = 1;
sc->ts_admins = gid;
}
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_ALWAYSGROUPCHECK))
{
sc->ts_always_group_check = g_text2bool((char *)list_get_item(param_v, i));
}
}
/* printing security config */
g_printf("security configuration:\r\n");
g_printf("\tAllowRootLogin: %i\r\n", sc->allow_root);
g_printf("\tMaxLoginRetry: %i\r\n", sc->login_retry);
g_printf("\tAlwaysGroupCheck: %i\r\n", sc->ts_always_group_check);
if (sc->ts_users_enable)
{
g_printf("\tTSUsersGroup: %i\r\n", sc->ts_users);
}
else
{
g_printf("\tNo TSUsersGroup defined\r\n");
}
if (sc->ts_admins_enable)
{
g_printf("\tTSAdminsGroup: %i\r\n", sc->ts_admins);
}
else
{
g_printf("\tNo TSAdminsGroup defined\r\n");
}
return 0;
}
/******************************************************************************/
int DEFAULT_CC
config_read_sessions(int file, struct config_sessions *se, struct list *param_n,
struct list *param_v)
{
int i;
char *buf;
list_clear(param_v);
list_clear(param_n);
/* setting defaults */
se->x11_display_offset = 10;
se->max_sessions = 0;
se->max_idle_time = 0;
se->max_disc_time = 0;
se->kill_disconnected = 0;
se->policy = SESMAN_CFG_SESS_POLICY_DFLT;
file_read_section(file, SESMAN_CFG_SESSIONS, param_n, param_v);
for (i = 0; i < param_n->count; i++)
{
buf = (char *)list_get_item(param_n, i);
if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_X11DISPLAYOFFSET))
{
se->x11_display_offset = g_atoi((char *)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_MAX))
{
se->max_sessions = g_atoi((char *)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_KILL_DISC))
{
se->kill_disconnected = g_text2bool((char *)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_IDLE_LIMIT))
{
se->max_idle_time = g_atoi((char *)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_DISC_LIMIT))
{
se->max_disc_time = g_atoi((char *)list_get_item(param_v, i));
}
if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_POLICY_S))
{
char *value = (char *)list_get_item(param_v, i);
if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_DFLT_S))
{
se->policy = SESMAN_CFG_SESS_POLICY_DFLT;
}
else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBD_S))
{
se->policy = SESMAN_CFG_SESS_POLICY_UBD;
}
else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBI_S))
{
se->policy = SESMAN_CFG_SESS_POLICY_UBI;
}
else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBC_S))
{
se->policy = SESMAN_CFG_SESS_POLICY_UBC;
}
else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBDI_S))
{
se->policy = SESMAN_CFG_SESS_POLICY_UBDI;
}
else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBDC_S))
{
se->policy = SESMAN_CFG_SESS_POLICY_UBDC;
}
else /* silently ignore typos */
{
se->policy = SESMAN_CFG_SESS_POLICY_DFLT;
}
}
}
/* printing session config */
g_printf("session configuration:\r\n");
g_printf("\tMaxSessions: %i\r\n", se->max_sessions);
g_printf("\tX11DisplayOffset: %i\r\n", se->x11_display_offset);
g_printf("\tKillDisconnected: %i\r\n", se->kill_disconnected);
g_printf("\tIdleTimeLimit: %i\r\n", se->max_idle_time);
g_printf("\tDisconnectedTimeLimit: %i\r\n", se->max_idle_time);
g_printf("\tPolicy: %i\r\n", se->policy);
return 0;
}
/******************************************************************************/
int DEFAULT_CC
config_read_rdp_params(int file, struct config_sesman *cs, struct list *param_n,
struct list *param_v)
{
int i;
list_clear(param_v);
list_clear(param_n);
cs->rdp_params = list_create();
file_read_section(file, SESMAN_CFG_RDP_PARAMS, param_n, param_v);
for (i = 0; i < param_n->count; i++)
{
list_add_item(cs->rdp_params, (long)g_strdup((char *)list_get_item(param_v, i)));
}
/* printing security config */
g_printf("X11rdp parameters:\r\n");
for (i = 0; i < cs->rdp_params->count; i++)
{
g_printf("\tParameter %02d %s\r\n", i, (char *)list_get_item(cs->rdp_params, i));
}
return 0;
}
/******************************************************************************/
int DEFAULT_CC
config_read_xorg_params(int file, struct config_sesman *cs,
struct list *param_n, struct list *param_v)
{
int i;
list_clear(param_v);
list_clear(param_n);
cs->xorg_params = list_create();
file_read_section(file, SESMAN_CFG_XORG_PARAMS, param_n, param_v);
for (i = 0; i < param_n->count; i++)
{
list_add_item(cs->xorg_params,
(long) g_strdup((char *) list_get_item(param_v, i)));
}
/* printing security config */
g_printf("XOrg parameters:\r\n");
for (i = 0; i < cs->xorg_params->count; i++)
{
g_printf("\tParameter %02d %s\r\n",
i, (char *) list_get_item(cs->xorg_params, i));
}
return 0;
}
/******************************************************************************/
int DEFAULT_CC
config_read_vnc_params(int file, struct config_sesman *cs, struct list *param_n,
struct list *param_v)
{
int i;
list_clear(param_v);
list_clear(param_n);
cs->vnc_params = list_create();
file_read_section(file, SESMAN_CFG_VNC_PARAMS, param_n, param_v);
for (i = 0; i < param_n->count; i++)
{
list_add_item(cs->vnc_params, (long)g_strdup((char *)list_get_item(param_v, i)));
}
/* printing security config */
g_printf("Xvnc parameters:\r\n");
for (i = 0; i < cs->vnc_params->count; i++)
{
g_printf("\tParameter %02d %s\r\n", i, (char *)list_get_item(cs->vnc_params, i));
}
return 0;
}
/******************************************************************************/
int DEFAULT_CC
config_read_session_variables(int file, struct config_sesman *cs,
struct list *param_n, struct list *param_v)
{
int i;
list_clear(param_v);
list_clear(param_n);
cs->session_variables1 = list_create();
cs->session_variables2 = list_create();
file_read_section(file, SESMAN_CFG_SESSION_VARIABLES, param_n, param_v);
for (i = 0; i < param_n->count; i++)
{
list_add_item(cs->session_variables1,
(tintptr) g_strdup((char *) list_get_item(param_n, i)));
list_add_item(cs->session_variables2,
(tintptr) g_strdup((char *) list_get_item(param_v, i)));
}
/* printing security config */
g_writeln("%s parameters:", SESMAN_CFG_SESSION_VARIABLES);
for (i = 0; i < cs->session_variables1->count; i++)
{
g_writeln(" Parameter %02d %s=%s", i,
(char *) list_get_item(cs->session_variables1, i),
(char *) list_get_item(cs->session_variables2, i));
}
return 0;
}
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