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385 lines
10 KiB
385 lines
10 KiB
/*
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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xrdp: A Remote Desktop Protocol server.
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Copyright (C) Jay Sorg 2005-2006
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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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#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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/******************************************************************************/
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/**
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*
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* @brief Reads sesman configuration
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* @param s translates the strings "1", "true" and "yes" in 1 (true) and other strings in 0
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* @return 0 on success, 1 on failure
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*
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*/
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static int APP_CC
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text2bool(char* s)
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{
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if (0 == g_strcasecmp(s, "1") ||
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0 == g_strcasecmp(s, "true") ||
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0 == g_strcasecmp(s, "yes"))
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{
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return 1;
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}
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return 0;
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}
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/******************************************************************************/
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int DEFAULT_CC
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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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fd = g_file_open(SESMAN_CFG_FILE);
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if (-1 == fd)
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{
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log_message(LOG_LEVEL_ALWAYS, "error opening %s in \
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config_read", SESMAN_CFG_FILE);
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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 logging config */
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config_read_logging(fd, &(cfg->log), 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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/* 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 DEFAULT_CC
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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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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_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] = '\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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g_strncpy(cf->default_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_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 = 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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}
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/* checking for missing required parameters */
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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 ('\0' == cf->default_wm[0])
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{
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g_strncpy(cf->default_wm, "startwm.sh", 11);
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}
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/* showing read config */
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g_printf("sesman config:\r\n");
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g_printf("\tListenPort: %s\r\n", cf->listen_port);
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g_printf("\tEnableUserWindowManager: %i\r\n", cf->enable_user_wm);
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g_printf("\tUserWindowManager: %s\r\n", cf->user_wm);
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g_printf("\tDefaultWindowManager: %s\r\n", cf->default_wm);
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return 0;
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}
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/******************************************************************************/
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int DEFAULT_CC
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config_read_logging(int file, struct log_config* lc, 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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lc->program_name = g_strdup("sesman");
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lc->log_file = 0;
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lc->fd = 0;
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lc->log_level = LOG_LEVEL_DEBUG;
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lc->enable_syslog = 0;
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lc->syslog_level = LOG_LEVEL_DEBUG;
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file_read_section(file, SESMAN_CFG_LOGGING, 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_LOG_FILE))
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{
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lc->log_file = g_strdup((char*)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_LOG_LEVEL))
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{
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lc->log_level = log_text2level((char*)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_LOG_ENABLE_SYSLOG))
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{
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lc->enable_syslog = text2bool((char*)list_get_item(param_v, i));
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}
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if (0 == g_strcasecmp(buf, SESMAN_CFG_LOG_SYSLOG_LEVEL))
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{
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lc->syslog_level = log_text2level((char*)list_get_item(param_v, i));
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}
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}
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if (0 == lc->log_file)
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{
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lc->log_file=g_strdup("./sesman.log");
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}
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g_printf("logging configuration:\r\n");
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g_printf("\tLogFile: %s\r\n",lc->log_file);
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g_printf("\tLogLevel: %i\r\n", lc->log_level);
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g_printf("\tEnableSyslog: %i\r\n", lc->enable_syslog);
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g_printf("\tSyslogLevel: %i\r\n", lc->syslog_level);
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return 0;
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}
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/******************************************************************************/
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int DEFAULT_CC
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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 = 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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}
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/* printing security config */
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g_printf("security configuration:\r\n");
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g_printf("\tAllowRootLogin: %i\r\n",sc->allow_root);
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g_printf("\tMaxLoginRetry: %i\r\n",sc->login_retry);
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if (sc->ts_users_enable)
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{
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g_printf("\tTSUsersGroup: %i\r\n", sc->ts_users);
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}
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else
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{
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g_printf("\tNo TSUsersGroup defined\r\n");
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}
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if (sc->ts_admins_enable)
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{
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g_printf("\tTSAdminsGroup: %i\r\n", sc->ts_admins);
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}
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else
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{
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g_printf("\tNo TSAdminsGroup defined\r\n");
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}
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return 0;
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}
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/******************************************************************************/
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int DEFAULT_CC
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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->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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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_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 = 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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}
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/* printing security config */
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g_printf("session configuration:\r\n");
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g_printf("\tMaxSessions: %i\r\n", se->max_sessions);
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g_printf("\tKillDisconnected: %i\r\n", se->kill_disconnected);
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g_printf("\tIdleTimeLimit: %i\r\n", se->max_idle_time);
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g_printf("\tDisconnectedTimeLimit: %i\r\n", se->max_idle_time);
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return 0;
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}
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/******************************************************************************/
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/* returns in params a list of parameters that need to be freed */
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/* returns error */
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int DEFAULT_CC
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config_read_xserver_params(int server_type, struct list* param_array)
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{
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struct list* names;
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struct list* params;
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int fd;
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char section_name[16];
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if (server_type == SESMAN_SESSION_TYPE_XRDP)
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{
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g_strncpy(section_name, "X11rdp", 15);
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}
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else if (server_type == SESMAN_SESSION_TYPE_XVNC)
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{
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g_strncpy(section_name, "Xvnc", 15);
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}
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else
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{
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/* error */
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log_message(LOG_LEVEL_ALWAYS, "error unknown type in \
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config_read_xserver_params");
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return 1;
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}
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fd = g_file_open(SESMAN_CFG_FILE);
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if (-1 == fd)
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{
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/* error */
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log_message(LOG_LEVEL_ALWAYS, "error opening %s in \
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config_read_xserver_params %s", SESMAN_CFG_FILE, g_get_strerror());
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return 1;
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}
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names = list_create();
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names->auto_free = 1;
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params = list_create();
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params->auto_free = 1;
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if (file_read_section(fd, section_name, names, params) == 0)
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{
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list_append_list_strdup(params, param_array, 0);
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}
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g_file_close(fd);
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list_delete(names);
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list_delete(params);
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return 0;
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}
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