/* This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. xrdp: A Remote Desktop Protocol server. Copyright (C) Jay Sorg 2005-2008 */ /** * * @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" extern struct config_sesman g_cfg; /******************************************************************************/ /** * * @brief Reads sesman configuration * @param s translates the strings "1", "true" and "yes" in 1 (true) and other strings in 0 * @return 0 on success, 1 on failure * */ static int APP_CC text2bool(char* s) { if (0 == g_strcasecmp(s, "1") || 0 == g_strcasecmp(s, "true") || 0 == g_strcasecmp(s, "yes")) { return 1; } return 0; } /******************************************************************************/ int DEFAULT_CC config_read(struct config_sesman* cfg) { int fd; struct list* sec; struct list* param_n; struct list* param_v; fd = g_file_open(SESMAN_CFG_FILE); if (-1 == fd) { if (g_cfg.log.fd >= 0) { /* logging is already active */ log_message(&(g_cfg.log), LOG_LEVEL_ALWAYS, "error opening %s in \ config_read", SESMAN_CFG_FILE); } else { g_printf("error opening %s in config_read", SESMAN_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 parameter list */ config_read_vnc_params(fd, cfg, param_n, param_v); config_read_rdp_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); /* 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 = 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 = 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 = 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; } } } /* 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); 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->max_sessions=0; se->max_idle_time=0; se->max_disc_time=0; se->kill_disconnected=0; 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_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 = 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)); } } /* printing security config */ g_printf("session configuration:\r\n"); g_printf("\tMaxSessions: %i\r\n", se->max_sessions); 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); 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_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; }