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587 lines
16 KiB
587 lines
16 KiB
/**
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* xrdp: A Remote Desktop Protocol server.
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*
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* Copyright (C) Jay Sorg 2004-2013
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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*
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* @file config.c
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* @brief User authentication code
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* @author Simone Fedele @< simo [at] esseemme [dot] org @>
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*
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*/
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#if defined(HAVE_CONFIG_H)
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#include <config_ac.h>
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#endif
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#include "arch.h"
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#include "list.h"
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#include "file.h"
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#include "sesman.h"
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#include "log.h"
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extern struct config_sesman *g_cfg; /* in sesman.c */
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/******************************************************************************/
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int
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config_read(struct config_sesman *cfg)
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{
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int fd;
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struct list *sec;
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struct list *param_n;
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struct list *param_v;
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char cfg_file[256];
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g_snprintf(cfg_file, 255, "%s/sesman.ini", XRDP_CFG_PATH);
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fd = g_file_open(cfg_file);
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if (-1 == fd)
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{
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//if (g_cfg->log.fd >= 0)
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//{
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/* logging is already active */
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log_message(LOG_LEVEL_ALWAYS, "error opening %s in \
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config_read", cfg_file);
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//}
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//else
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//{
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g_printf("error opening %s in config_read", cfg_file);
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//}
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return 1;
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}
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g_memset(cfg, 0, sizeof(struct config_sesman));
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sec = list_create();
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sec->auto_free = 1;
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file_read_sections(fd, sec);
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param_n = list_create();
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param_n->auto_free = 1;
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param_v = list_create();
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param_v->auto_free = 1;
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/* read global config */
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config_read_globals(fd, cfg, param_n, param_v);
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/* read Xvnc/X11rdp/Xorg parameter list */
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config_read_vnc_params(fd, cfg, param_n, param_v);
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config_read_rdp_params(fd, cfg, param_n, param_v);
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config_read_xorg_params(fd, cfg, param_n, param_v);
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/* read security config */
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config_read_security(fd, &(cfg->sec), param_n, param_v);
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/* read session config */
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config_read_sessions(fd, &(cfg->sess), param_n, param_v);
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config_read_session_variables(fd, cfg, param_n, param_v);
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/* cleanup */
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list_delete(sec);
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list_delete(param_v);
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list_delete(param_n);
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g_file_close(fd);
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return 0;
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}
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/******************************************************************************/
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int
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config_read_globals(int file, struct config_sesman *cf, struct list *param_n,
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struct list *param_v)
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{
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int i;
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int length;
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char *buf;
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list_clear(param_v);
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list_clear(param_n);
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/* resetting the struct */
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cf->listen_address[0] = '\0';
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cf->listen_port[0] = '\0';
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cf->enable_user_wm = 0;
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cf->user_wm[0] = '\0';
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cf->default_wm = 0;
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cf->auth_file_path = 0;
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cf->reconnect_sh = 0;
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file_read_section(file, SESMAN_CFG_GLOBALS, param_n, param_v);
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for (i = 0; i < param_n->count; i++)
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{
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buf = (char *)list_get_item(param_n, i);
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if (0 == g_strcasecmp(buf, SESMAN_CFG_DEFWM))
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{
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cf->default_wm = g_strdup((char *)list_get_item(param_v, i));
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}
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else if (0 == g_strcasecmp(buf, SESMAN_CFG_USERWM))
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{
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g_strncpy(cf->user_wm, (char *)list_get_item(param_v, i), 31);
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}
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else if (0 == g_strcasecmp(buf, SESMAN_CFG_ENABLE_USERWM))
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{
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cf->enable_user_wm = g_text2bool((char *)list_get_item(param_v, i));
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}
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else if (0 == g_strcasecmp(buf, SESMAN_CFG_PORT))
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{
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g_strncpy(cf->listen_port, (char *)list_get_item(param_v, i), 15);
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}
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else if (0 == g_strcasecmp(buf, SESMAN_CFG_ADDRESS))
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{
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g_strncpy(cf->listen_address, (char *)list_get_item(param_v, i), 31);
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}
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else if (0 == g_strcasecmp(buf, SESMAN_CFG_AUTH_FILE_PATH))
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{
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cf->auth_file_path = g_strdup((char *)list_get_item(param_v, i));
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}
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else if (g_strcasecmp(buf, SESMAN_CFG_RECONNECT_SH) == 0)
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{
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cf->reconnect_sh = g_strdup((char *)list_get_item(param_v, i));
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}
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}
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/* checking for missing required parameters */
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if ('\0' == cf->listen_address[0])
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{
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g_strncpy(cf->listen_address, "0.0.0.0", 8);
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}
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if ('\0' == cf->listen_port[0])
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{
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g_strncpy(cf->listen_port, "3350", 5);
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}
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if ('\0' == cf->user_wm[0])
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{
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cf->enable_user_wm = 0;
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}
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if (cf->default_wm == 0)
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{
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cf->default_wm = g_strdup("startwm.sh");
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}
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else if (g_strlen(cf->default_wm) == 0)
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{
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g_free(cf->default_wm);
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cf->default_wm = g_strdup("startwm.sh");
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}
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/* if default_wm doesn't begin with '/', it's a relative path to XRDP_CFG_PATH */
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if (cf->default_wm[0] != '/')
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{
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/* sizeof operator returns string length including null terminator */
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length = sizeof(XRDP_CFG_PATH) + g_strlen(g_cfg->default_wm) + 1; /* '/' */
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buf = (char *)g_malloc(length, 0);
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g_sprintf(buf, "%s/%s", XRDP_CFG_PATH, g_cfg->default_wm);
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g_free(g_cfg->default_wm);
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g_cfg->default_wm = g_strdup(buf);
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g_free(buf);
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}
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if (cf->reconnect_sh == 0)
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{
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cf->reconnect_sh = g_strdup("reconnectwm.sh");
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}
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else if (g_strlen(cf->reconnect_sh) == 0)
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{
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g_free(cf->reconnect_sh);
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cf->reconnect_sh = g_strdup("reconnectwm.sh");
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}
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/* if reconnect_sh doesn't begin with '/', it's a relative path to XRDP_CFG_PATH */
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if (cf->reconnect_sh[0] != '/')
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{
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/* sizeof operator returns string length including null terminator */
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length = sizeof(XRDP_CFG_PATH) + g_strlen(g_cfg->reconnect_sh) + 1; /* '/' */
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buf = (char *)g_malloc(length, 0);
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g_sprintf(buf, "%s/%s", XRDP_CFG_PATH, g_cfg->reconnect_sh);
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g_free(g_cfg->reconnect_sh);
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g_cfg->reconnect_sh = g_strdup(buf);
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g_free(buf);
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}
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return 0;
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}
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/******************************************************************************/
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int
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config_read_security(int file, struct config_security *sc,
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struct list *param_n,
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struct list *param_v)
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{
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int i;
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int gid;
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char *buf;
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list_clear(param_v);
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list_clear(param_n);
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/* setting defaults */
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sc->allow_root = 0;
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sc->login_retry = 3;
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sc->ts_users_enable = 0;
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sc->ts_admins_enable = 0;
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file_read_section(file, SESMAN_CFG_SECURITY, param_n, param_v);
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for (i = 0; i < param_n->count; i++)
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{
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buf = (char *)list_get_item(param_n, i);
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_ALLOW_ROOT))
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{
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sc->allow_root = g_text2bool((char *)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_LOGIN_RETRY))
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{
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sc->login_retry = g_atoi((char *)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_USR_GROUP))
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{
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if (g_getgroup_info((char *)list_get_item(param_v, i), &gid) == 0)
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{
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sc->ts_users_enable = 1;
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sc->ts_users = gid;
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}
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_ADM_GROUP))
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{
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if (g_getgroup_info((char *)list_get_item(param_v, i), &gid) == 0)
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{
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sc->ts_admins_enable = 1;
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sc->ts_admins = gid;
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}
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SEC_ALWAYSGROUPCHECK))
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{
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sc->ts_always_group_check = g_text2bool((char *)list_get_item(param_v, i));
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}
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}
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return 0;
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}
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/******************************************************************************/
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int
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config_read_sessions(int file, struct config_sessions *se, struct list *param_n,
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struct list *param_v)
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{
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int i;
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char *buf;
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list_clear(param_v);
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list_clear(param_n);
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/* setting defaults */
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se->x11_display_offset = 10;
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se->max_sessions = 0;
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se->max_idle_time = 0;
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se->max_disc_time = 0;
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se->kill_disconnected = 0;
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se->policy = SESMAN_CFG_SESS_POLICY_DFLT;
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file_read_section(file, SESMAN_CFG_SESSIONS, param_n, param_v);
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for (i = 0; i < param_n->count; i++)
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{
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buf = (char *)list_get_item(param_n, i);
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_X11DISPLAYOFFSET))
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{
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se->x11_display_offset = g_atoi((char *)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_MAX))
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{
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se->max_sessions = g_atoi((char *)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_KILL_DISC))
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{
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se->kill_disconnected = g_text2bool((char *)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_IDLE_LIMIT))
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{
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se->max_idle_time = g_atoi((char *)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_DISC_LIMIT))
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{
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se->max_disc_time = g_atoi((char *)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_SESS_POLICY_S))
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{
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char *value = (char *)list_get_item(param_v, i);
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if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_DFLT_S))
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{
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se->policy = SESMAN_CFG_SESS_POLICY_DFLT;
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}
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else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBD_S))
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{
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se->policy = SESMAN_CFG_SESS_POLICY_UBD;
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}
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else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBI_S))
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{
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se->policy = SESMAN_CFG_SESS_POLICY_UBI;
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}
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else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBC_S))
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{
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se->policy = SESMAN_CFG_SESS_POLICY_UBC;
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}
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else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBDI_S))
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{
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se->policy = SESMAN_CFG_SESS_POLICY_UBDI;
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}
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else if (0 == g_strcasecmp(value, SESMAN_CFG_SESS_POLICY_UBDC_S))
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{
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se->policy = SESMAN_CFG_SESS_POLICY_UBDC;
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}
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else /* silently ignore typos */
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{
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se->policy = SESMAN_CFG_SESS_POLICY_DFLT;
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}
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}
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}
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return 0;
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}
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/******************************************************************************/
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int
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config_read_rdp_params(int file, struct config_sesman *cs, struct list *param_n,
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struct list *param_v)
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{
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int i;
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list_clear(param_v);
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list_clear(param_n);
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cs->rdp_params = list_create();
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cs->rdp_params->auto_free = 1;
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file_read_section(file, SESMAN_CFG_RDP_PARAMS, param_n, param_v);
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for (i = 0; i < param_n->count; i++)
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{
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list_add_item(cs->rdp_params, (long)g_strdup((char *)list_get_item(param_v, i)));
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}
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return 0;
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}
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/******************************************************************************/
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int
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config_read_xorg_params(int file, struct config_sesman *cs,
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struct list *param_n, struct list *param_v)
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{
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int i;
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list_clear(param_v);
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list_clear(param_n);
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cs->xorg_params = list_create();
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cs->xorg_params->auto_free = 1;
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file_read_section(file, SESMAN_CFG_XORG_PARAMS, param_n, param_v);
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for (i = 0; i < param_n->count; i++)
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{
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list_add_item(cs->xorg_params,
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(long) g_strdup((char *) list_get_item(param_v, i)));
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}
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return 0;
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}
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/******************************************************************************/
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int
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config_read_vnc_params(int file, struct config_sesman *cs, struct list *param_n,
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struct list *param_v)
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{
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int i;
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list_clear(param_v);
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list_clear(param_n);
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cs->vnc_params = list_create();
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cs->vnc_params->auto_free = 1;
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file_read_section(file, SESMAN_CFG_VNC_PARAMS, param_n, param_v);
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for (i = 0; i < param_n->count; i++)
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{
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list_add_item(cs->vnc_params, (long)g_strdup((char *)list_get_item(param_v, i)));
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}
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return 0;
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}
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/******************************************************************************/
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int
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config_read_session_variables(int file, struct config_sesman *cs,
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struct list *param_n, struct list *param_v)
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{
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int i;
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list_clear(param_v);
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list_clear(param_n);
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cs->env_names = list_create();
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cs->env_names->auto_free = 1;
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cs->env_values = list_create();
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cs->env_values->auto_free = 1;
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file_read_section(file, SESMAN_CFG_SESSION_VARIABLES, param_n, param_v);
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for (i = 0; i < param_n->count; i++)
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{
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list_add_item(cs->env_names,
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(tintptr) g_strdup((char *) list_get_item(param_n, i)));
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list_add_item(cs->env_values,
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(tintptr) g_strdup((char *) list_get_item(param_v, i)));
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}
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return 0;
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}
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void
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config_dump(struct config_sesman *config)
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{
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int i;
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struct config_sessions *se;
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struct config_security *sc;
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se = &(config->sess);
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sc = &(config->sec);
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/* Global sesman configuration */
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g_writeln("Global configuration:");
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g_writeln(" ListenAddress: %s", config->listen_address);
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g_writeln(" ListenPort: %s", config->listen_port);
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g_writeln(" EnableUserWindowManager: %d", config->enable_user_wm);
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g_writeln(" UserWindowManager: %s", config->user_wm);
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g_writeln(" DefaultWindowManager: %s", config->default_wm);
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g_writeln(" ReconnectScript: %s", config->reconnect_sh);
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g_writeln(" AuthFilePath: %s",
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((config->auth_file_path) ? (config->auth_file_path) : ("disabled")));
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/* Session configuration */
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g_writeln("Session configuration:");
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g_writeln(" MaxSessions: %d", se->max_sessions);
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g_writeln(" X11DisplayOffset: %d", se->x11_display_offset);
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g_writeln(" KillDisconnected: %d", se->kill_disconnected);
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g_writeln(" IdleTimeLimit: %d", se->max_idle_time);
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g_writeln(" DisconnectedTimeLimit: %d", se->max_disc_time);
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g_writeln(" Policy: %d", se->policy);
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/* Security configuration */
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g_writeln("Security configuration:");
|
|
g_writeln(" AllowRootLogin: %d", sc->allow_root);
|
|
g_writeln(" MaxLoginRetry: %d", sc->login_retry);
|
|
g_writeln(" AlwaysGroupCheck: %d", sc->ts_always_group_check);
|
|
|
|
g_printf( " TSUsersGroup: ");
|
|
if (sc->ts_users_enable)
|
|
{
|
|
g_printf("%d", sc->ts_users);
|
|
}
|
|
else
|
|
{
|
|
g_printf("(not defined)");
|
|
}
|
|
g_writeln("%s", "");
|
|
|
|
g_printf( " TSAdminsGroup: ");
|
|
if (sc->ts_admins_enable)
|
|
{
|
|
g_printf("%d", sc->ts_admins);
|
|
}
|
|
else
|
|
{
|
|
g_printf("(not defined)");
|
|
}
|
|
g_writeln("%s", "");
|
|
|
|
|
|
/* Xorg */
|
|
if (config->xorg_params->count)
|
|
{
|
|
g_writeln("Xorg parameters:");
|
|
}
|
|
|
|
for (i = 0; i < config->xorg_params->count; i++)
|
|
{
|
|
g_writeln(" Parameter %02d %s",
|
|
i, (char *) list_get_item(config->xorg_params, i));
|
|
}
|
|
|
|
/* Xvnc */
|
|
if (config->vnc_params->count)
|
|
{
|
|
g_writeln("Xvnc parameters:");
|
|
}
|
|
|
|
for (i = 0; i < config->vnc_params->count; i++)
|
|
{
|
|
g_writeln(" Parameter %02d %s",
|
|
i, (char *)list_get_item(config->vnc_params, i));
|
|
}
|
|
|
|
/* X11rdp */
|
|
if (config->rdp_params->count)
|
|
{
|
|
g_writeln("X11rdp parameters:");
|
|
}
|
|
|
|
for (i = 0; i < config->rdp_params->count; i++)
|
|
{
|
|
g_writeln(" Parameter %02d %s",
|
|
i, (char *)list_get_item(config->rdp_params, i));
|
|
}
|
|
|
|
/* SessionVariables */
|
|
if (config->env_names->count)
|
|
{
|
|
g_writeln("%s parameters:", SESMAN_CFG_SESSION_VARIABLES);
|
|
}
|
|
|
|
for (i = 0; i < config->env_names->count; i++)
|
|
{
|
|
g_writeln(" Parameter %02d %s=%s",
|
|
i, (char *) list_get_item(config->env_names, i),
|
|
(char *) list_get_item(config->env_values, i));
|
|
}
|
|
}
|
|
|
|
void
|
|
config_free(struct config_sesman *cs)
|
|
{
|
|
g_free(cs->default_wm);
|
|
g_free(cs->reconnect_sh);
|
|
g_free(cs->auth_file_path);
|
|
list_delete(cs->rdp_params);
|
|
list_delete(cs->vnc_params);
|
|
list_delete(cs->xorg_params);
|
|
list_delete(cs->env_names);
|
|
list_delete(cs->env_values);
|
|
g_free(cs);
|
|
}
|