/*==================================================== FILE: QCMAP_SOCKSv5_Configure.cpp SERVICES: QCMAP SOCKSv5 Configuration Specific Implementation ===================================================== Copyright (c) 2017 Qualcomm Technologies, Inc. All Rights Reserved. Confidential and Proprietary - Qualcomm Technologies, Inc. =====================================================*/ /*========================================================= EDIT HISTORY FOR MODULE Please notice that the changes are listed in reverse chronological order. when who what, where, why -------- --- ---------------------------------- 03/30/17 jt initial SOCKSv5 support ==========================================================*/ #include #include "QCMAP_NATALG.h" /*========================================================== QC_SOCKSv5 Namespace Definitions ===========================================================*/ namespace QC_SOCKSv5_Configure { /*=========================================================================== FUNCTION GetSOCKSv5ProxyConfig ==========================================================================*/ /*! @brief Get socksv5 proxy config @parameters qmi_err_num - error no. @return true - enabled false - disabled @note - Dependencies - None - Side Effects - None */ /*=========================================================================*/ bool GetSOCKSv5ProxyConfig ( qmi_error_type_v01 *qmi_err_num, qcmap_msgr_get_socksv5_proxy_config_resp_msg_v01 *resp_msg ) { unsigned char count = 0; pugi::xml_document doc; pugi::xml_node node; qcmap_msgr_socksv5_config_file_paths_v01 socksv5_file_path; //find out where are configuration files if(!QCMAP_NATALG::GetSOCKSv5ConfigFilePathFromXML(&socksv5_file_path)) { LOG_MSG_INFO1("Error extracting the socksv5 config file locations\n",0,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } //load conf file if(!doc.load_file(socksv5_file_path.conf_file)) { LOG_MSG_INFO1("Error loading the config file: %s\n", socksv5_file_path.conf_file,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } //extract lan_iface node = doc.child("PROXY_CONFIG").child("LAN_CFG"); for(int i = 0; (i < strlen(node.child("LAN_IFACE").child_value())) && (i < IFNAMSIZ); i++) { resp_msg->lan_iface[i] = node.child("LAN_IFACE").child_value()[i]; } //extract wan_iface node = doc.child("PROXY_CONFIG").child("WAN_CFG"); //go through each wan iface for(pugi::xml_node child = node.first_child(); child != NULL; child = child.next_sibling()) { if(strcmp(child.name(), "WAN_IFACE") == 0) { memset(&(resp_msg->socksv5_wan_service[count]), 0, sizeof(resp_msg->socksv5_wan_service[count])); //extract name and profile for(pugi::xml_node grand_child = child.first_child(); grand_child != NULL; grand_child = grand_child.next_sibling()) { if(strcmp(grand_child.name(), "NAME") == 0) { for(int i = 0; (i < strlen(grand_child.child_value())) && (i < IFNAMSIZ); i++) { resp_msg->socksv5_wan_service[count].wan_iface[i] = grand_child.child_value()[i]; } } if(strcmp(grand_child.name(), "PROFILE") == 0) { resp_msg->socksv5_wan_service[count].service_no = atoi((char*)grand_child.text().get()); } } if(++count >= QCMAP_MAX_NUM_BACKHAULS_V01) { LOG_MSG_INFO1("Reached maximum number of backhauls in the SOCKSv5 config: %s\n", socksv5_file_path.auth_file,0,0); break; } } } //load auth file if(!doc.load_file(socksv5_file_path.auth_file)) { LOG_MSG_INFO1("Error loading the auth file: %s\n", socksv5_file_path.auth_file,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } //extract auth_method node = doc.child("PROXY_CONFIG").child("SOCKSV5_AUTH_METHOD_CFG"); if(strcmp(node.child("SOCKSV5_AUTH_METHOD").child_value(), "NO_AUTHENTICATION") == 0) { resp_msg->auth_method = QCMAP_SOCKSV5_NO_AUTHENTICATION_V01; } else if(strcmp(node.child("SOCKSV5_AUTH_METHOD").child_value(), "USERNAME_PASSWORD") == 0) { resp_msg->auth_method = QCMAP_SOCKSV5_UNAME_PASSWD_V01; } else { resp_msg->auth_method = -1; } //fill out config file paths if(sizeof(resp_msg->config_file_paths.conf_file) <= strlen(socksv5_file_path.conf_file)) { LOG_MSG_INFO1("Preventing buffer overflow: %d <= %d\n", sizeof(resp_msg->config_file_paths.conf_file), strlen(socksv5_file_path.conf_file),0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } memcpy(resp_msg->config_file_paths.conf_file, socksv5_file_path.conf_file, strlen(socksv5_file_path.conf_file)); if(sizeof(resp_msg->config_file_paths.auth_file) <= strlen(socksv5_file_path.auth_file)) { LOG_MSG_INFO1("Preventing buffer overflow: %d <= %d\n", sizeof(resp_msg->config_file_paths.auth_file), strlen(socksv5_file_path.auth_file),0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } memcpy(resp_msg->config_file_paths.auth_file, socksv5_file_path.auth_file, strlen(socksv5_file_path.auth_file)); *qmi_err_num = QMI_ERR_NONE_V01; return true; } /*=========================================================================== FUNCTION SetSOCKSv5ProxyAuth ==========================================================================*/ /*! @brief Set socksv5 proxy auth method @parameters qmi_err_num - error no. @return true - enabled false - disabled @note - Dependencies - None - Side Effects - None */ /*=========================================================================*/ bool SetSOCKSv5ProxyAuth ( qmi_error_type_v01 *qmi_err_num, unsigned char auth_method ) { pugi::xml_document doc; pugi::xml_node node; qcmap_msgr_socksv5_config_file_paths_v01 socksv5_file_path; //find out where are configuration files if(!QCMAP_NATALG::GetSOCKSv5ConfigFilePathFromXML(&socksv5_file_path)) { LOG_MSG_INFO1("Error extracting the socksv5 config file locations\n",0,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } if(!doc.load_file(socksv5_file_path.auth_file)) { LOG_MSG_INFO1("Error loading the auth file: %s\n", socksv5_file_path.auth_file,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } node = doc.child("PROXY_CONFIG").child("SOCKSV5_AUTH_METHOD_CFG"); switch(auth_method) { case QCMAP_SOCKSV5_NO_AUTHENTICATION_V01: { node.child("SOCKSV5_AUTH_METHOD").text() = "NO_AUTHENTICATION"; node.child("SOCKSV5_AUTH_METHOD_VALUE").text() = QCMAP_SOCKSV5_NO_AUTHENTICATION_V01; break; } case QCMAP_SOCKSV5_UNAME_PASSWD_V01: { node.child("SOCKSV5_AUTH_METHOD").text() = "USERNAME_PASSWORD"; node.child("SOCKSV5_AUTH_METHOD_VALUE").text() = QCMAP_SOCKSV5_UNAME_PASSWD_V01; break; } default: { printf("Invalid set SOCKSv5 auth response: %u\n", auth_method); break; } } doc.save_file(socksv5_file_path.auth_file); *qmi_err_num = QMI_ERR_NONE_V01; return true; } /*=========================================================================== FUNCTION EditSOCKSv5ProxyLANIface ==========================================================================*/ /*! @brief Edit socksv5 proxy LAN iface @parameters qmi_err_num - error no. @return true - enabled false - disabled @note - Dependencies - None - Side Effects - None */ /*=========================================================================*/ bool EditSOCKSv5ProxyLANIface ( qmi_error_type_v01 *qmi_err_num, char* lan_iface ) { pugi::xml_document doc; pugi::xml_node node; qcmap_msgr_socksv5_config_file_paths_v01 socksv5_file_path; //find out where are configuration files if(!QCMAP_NATALG::GetSOCKSv5ConfigFilePathFromXML(&socksv5_file_path)) { LOG_MSG_INFO1("Error extracting the socksv5 config file locations\n",0,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } if(!doc.load_file(socksv5_file_path.conf_file)) { LOG_MSG_INFO1("Error loading the config file: %s\n", socksv5_file_path.conf_file,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } node = doc.child("PROXY_CONFIG").child("LAN_CFG"); node.child("LAN_IFACE").text().set(lan_iface); doc.save_file(socksv5_file_path.conf_file); *qmi_err_num = QMI_ERR_NONE_V01; return true; } /*=========================================================================== FUNCTION AddSOCKSv5ProxyUnamePasswd ==========================================================================*/ /*! @brief Add socksv5 proxy username and password @parameters qmi_err_num - error no. @return true - enabled false - disabled @note - Dependencies - None - Side Effects - None */ /*=========================================================================*/ bool AddSOCKSv5ProxyUnameAssoc ( qmi_error_type_v01 *qmi_err_num, char* uname, unsigned int service_no ) { pugi::xml_document doc; pugi::xml_node node, subchild, grandchild; qcmap_msgr_socksv5_config_file_paths_v01 socksv5_file_path; //find out where are configuration files if(!QCMAP_NATALG::GetSOCKSv5ConfigFilePathFromXML(&socksv5_file_path)) { LOG_MSG_INFO1("Error extracting the socksv5 config file locations\n",0,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } if(!doc.load_file(socksv5_file_path.auth_file)) { LOG_MSG_INFO1("Error loading the auth file: %s\n", socksv5_file_path.auth_file,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } node = doc.child("PROXY_CONFIG").child("USERNAME_PASSWORD_CFG"); subchild = node.append_child("USER"); grandchild = subchild.append_child("NAME"); grandchild.text().set(uname); grandchild = subchild.append_child("PROFILE"); grandchild.text().set(service_no); doc.save_file(socksv5_file_path.auth_file); *qmi_err_num = QMI_ERR_NONE_V01; return true; } /*=========================================================================== FUNCTION DeleteSOCKSv5ProxyUnameAssoc ==========================================================================*/ /*! @brief Delete socksv5 proxy username association @parameters qmi_err_num - error no. @return true - enabled false - disabled @note - Dependencies - None - Side Effects - None */ /*=========================================================================*/ bool DeleteSOCKSv5ProxyUnameAssoc ( qmi_error_type_v01 *qmi_err_num, char* uname ) { unsigned char uname_valid; pugi::xml_document doc; pugi::xml_node node; qcmap_msgr_socksv5_config_file_paths_v01 socksv5_file_path; //find out where are configuration files if(!QCMAP_NATALG::GetSOCKSv5ConfigFilePathFromXML(&socksv5_file_path)) { LOG_MSG_INFO1("Error extracting the socksv5 config file locations\n",0,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } if(!doc.load_file(socksv5_file_path.auth_file)) { LOG_MSG_INFO1("Error loading the auth file: %s\n", socksv5_file_path.auth_file,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01; return false; } node = doc.child("PROXY_CONFIG").child("USERNAME_PASSWORD_CFG"); //go through each user for(pugi::xml_node child = node.first_child(); child != NULL; child = child.next_sibling()) { uname_valid = 0; if(strcmp(child.name(), "USER") == 0) { //validate username and password for this user for(pugi::xml_node grand_child = child.first_child(); grand_child != NULL; grand_child = grand_child.next_sibling()) { if(strcmp(grand_child.name(), "NAME") == 0) { if(strcmp(grand_child.child_value(), uname) == 0) //valid uname? { uname_valid = 1; break; } } } } //delete that uname entry if(uname_valid) { child.parent().remove_child(child); doc.save_file(socksv5_file_path.auth_file); return true; } } LOG_MSG_INFO1("Invalid username\n", 0,0,0); *qmi_err_num = QMI_ERR_INTERNAL_V01;; return false; } }