/** * 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 @> * */ #if defined(HAVE_CONFIG_H) #include #endif #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 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 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 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 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_disc_time); g_printf("\tPolicy: %i\r\n", se->policy); return 0; } /******************************************************************************/ int 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(); cs->rdp_params->auto_free = 1; 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 X11rdp parameters */ 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 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(); cs->xorg_params->auto_free = 1; 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 XOrg parameters */ 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 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(); cs->vnc_params->auto_free = 1; 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 Xvnc parameters */ 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 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->env_names = list_create(); cs->env_names->auto_free = 1; cs->env_values = list_create(); cs->env_values->auto_free = 1; file_read_section(file, SESMAN_CFG_SESSION_VARIABLES, param_n, param_v); for (i = 0; i < param_n->count; i++) { list_add_item(cs->env_names, (tintptr) g_strdup((char *) list_get_item(param_n, i))); list_add_item(cs->env_values, (tintptr) g_strdup((char *) list_get_item(param_v, i))); } /* printing session variables */ g_writeln("%s parameters:", SESMAN_CFG_SESSION_VARIABLES); for (i = 0; i < cs->env_names->count; i++) { g_writeln(" Parameter %02d %s=%s", i, (char *) list_get_item(cs->env_names, i), (char *) list_get_item(cs->env_values, i)); } return 0; } void config_free(struct config_sesman *cs) { 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); }