#ifndef _QCMAP_BACKHAUL_H_ #define _QCMAP_BACKHAUL_H_ /*==================================================== FILE: QCMAP_Backhaul.h SERVICES: QCMAP Connection Manager Backhaul Class ===================================================== Copyright (c) 2011-2016 Qualcomm Technologies, Inc. All Rights Reserved. Qualcomm Technologies Proprietary and Confidential. =====================================================*/ /*===================================================== EDIT HISTORY FOR MODULE Please notice that the changes are listed in reverse chronological order. when who what, where, why -------- --- ------------------------------------------------------- 07/04/14 ka Created ======================================================*/ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "stringl.h" #include "ds_util.h" #include "comdef.h" #include "qcmap_cm_api.h" #include "QCMAP_Backhaul_WWAN.h" #include "QCMAP_Backhaul_WLAN.h" #include "QCMAP_Backhaul_Cradle.h" #include "QCMAP_Tethered_Backhaul.h" #include "QCMAP_Backhaul_Ethernet.h" #include "QCMAP_BT_Tethering.h" #include "QCMAP_NATALG.h" #include "QCMAP_Firewall.h" #define WWAN_BACKHAUL "wwan" #define USB_CRADLE_BACKHAUL "usb_cradle" #define WLAN_BACKHAUL "wlan" #define ETH_BACKHAUL "eth" #define BT_BACKHAUL "bt-pan" #define MULTICAST_ADDR "FF02::1" #define RDNSS_SERVER_TYPE 25 //Recursive DNS server Type #define INFINITE_LIFE_TIME htonl(0xffffffff) //infinite life time #define RADISH_INFO_SIZE (3 + INET6_ADDRSTRLEN) #define IPV6_MIN_PREFIX_LENGTH 64 #define IPV6_MAX_PREFIX_LENGTH 128 #define PDN_TABLE_ID_START 10 /* PDN Table Start */ /* Since Backhaul has a cyclic dependency with Firewall/NATALG define them here first so we don't get compilation errors. */ #ifndef QCMAP_Firewall class QCMAP_Firewall; #endif #ifndef QCMAP_NATALG class QCMAP_NATALG; #endif typedef enum { CONFIG_ENABLE_IPV4 = 1, CONFIG_ENABLE_IPV6, CONFIG_WEBSERVER_WWAN_ACCESS, CONFIG_ERI_CONFIG, CONFIG_FIRST_PREFFERED_BACKHAUL, CONFIG_SECOND_PREFFERED_BACKHAUL, CONFIG_THIRD_PREFFERED_BACKHAUL, CONFIG_FOURTH_PREFFERED_BACKHAUL, CONFIG_FIFTH_PREFFERED_BACKHAUL }qcmap_backhaul_config_enum; struct rdnss { uint8_t type; uint8_t length; uint16_t reserved; uint32_t lifetime; struct in6_addr addr; struct in6_addr addr1; }; typedef struct { uint8_t primary_ip_v6_addr[QCMAP_MSGR_IPV6_ADDR_LEN_V01]; uint8_t secondary_ip_v6_addr[QCMAP_MSGR_IPV6_ADDR_LEN_V01]; }public_dns; class QCMAP_Backhaul { private: /* Private member functions */ void InitializeStaticParams(); public: //Constructor of the class QCMAP_Backhaul(profile_handle_type_v01 profile_handle); //Destructor of the class ~QCMAP_Backhaul(); /* ----------------------MobileAP Backhaul Execution--------------------*/ //ALL VARIABLES HERE// /* VLAN Mapping */ uint16 vlan_id; /* Table ID in rt_tables */ uint16 table_id; /* profile handle */ profile_handle_type_v01 profileHandle; /* Class Objects */ static QCMAP_Backhaul_WLAN *QcMapBackhaulWLAN; static QCMAP_Backhaul_Cradle *QcMapBackhaulCradle; QCMAP_Backhaul_WWAN *QcMapBackhaulWWAN; QCMAP_Firewall *QcMapFirewall; QCMAP_NATALG *QcMapNatAlg; static profile_handle_type_v01 defaultProfileHandle; /*Priority list for Backhaul Switching*/ static qcmap_backhaul_type preffered_backhaul_first; static qcmap_backhaul_type preffered_backhaul_second; static qcmap_backhaul_type preffered_backhaul_third; static qcmap_backhaul_type preffered_backhaul_fourth; static qcmap_backhaul_type preffered_backhaul_fifth; /*Current Backhaul*/ static qcmap_backhaul_type current_backhaul; qcmap_addr_info_list_t external_client_addr_list; static bool enable_ipv6; static bool enable_ipv4; qcmap_cm_nl_prefix_info_t ipv6_prefix_info; public_dns ipv6_public_dns; qcmap_cm_wan_conf_t wan_cfg; /* Holds IPv4 public address of a connected interface*/ in_addr_t ipv4_public_ip; /* Holds IPv4 public subnet mask*/ in_addr_t ipv4_public_subnet_mask; /* Holds IPv4 gateway address of a connected interface*/ in_addr_t ipv4_default_gw_addr; /*variable to hold tinyproxy state*/ qcmap_msgr_tiny_proxy_mode_enum_v01 tiny_proxy_enable_state; static void CreateBackhualAndRelatedObjects(profile_handle_type_v01 profile_handle, void *pdnNode); static profile_handle_type_v01 GetDefaultProfileHandle(); static boolean GetSetBackhaulConfigFromXML ( qcmap_backhaul_config_enum conf, qcmap_action_type action, char *data,int datalen ); static boolean SetBackhaulPrioConfigToXML( qcmap_msgr_backhaul_type_enum_v01 backhaul_type, qcmap_backhaul_config_enum backhaul_config); //Read Backhaul Config from XML boolean ReadBackhaulConfigFromXML (); boolean GetNetworkConfig(in_addr_t *public_ip, uint32 *primary_dns, in_addr_t *secondary_dns, qmi_error_type_v01 *qmi_err_num); boolean GetIPv6NetworkConfig(uint8_t public_ip[], uint8_t primary_dns[], uint8_t secondary_dns[], qmi_error_type_v01 *qmi_err_num); /* Enable IPV4 */ boolean EnableIPV4 (qmi_error_type_v01 *qmi_err_num); /* Disable IPV4 */ boolean DisableIPV4(qmi_error_type_v01 *qmi_err_num); /* Enable IPV6 */ boolean EnableIPV6(qmi_error_type_v01 *qmi_err_num); /* Disable IPV6 */ boolean DisableIPV6(qmi_error_type_v01 *qmi_err_num); /* Validates the prefix present in RA packet. */ boolean ValidateGlobalV6addr(struct ps_in6_addr *); /* Enable IPV6 Forwarding */ boolean EnableIPV6Forwarding(void); /* Disable IPV6 Forwarding */ boolean DisableIPV6Forwarding(boolean send_ra); /* Get Backhaul IPV6 Prefix Info. */ void GetIPV6PrefixInfo(char *devname, qcmap_cm_nl_prefix_info_t *ipv6_prefix_info); /* Update Global Ipv6 from Received RA message */ static void UpdateGlobalV6addr(qcmap_nl_addr_t* nl_addr, boolean validate_addr); /* Assign Global Ipv6 address to all client */ bool AssignGlobalV6AddrAllClients( struct ps_in6_addr *prefix_addr_ptr ); int UpdatePrefix( qcmap_cm_nl_prefix_info_t *prefix_info, boolean deprecate,boolean send_ra, uint8_t *dest_v6_ip ); static boolean SendRS(char *devname, uint8_t *src_v6_addr); boolean SendRSForClient(uint8_t*); boolean SendRSForClients(); static void SendRSwithUnspecifiedSrc(qcmap_nl_addr_t* nl_addr); static boolean IsNonWWANBackhaulActive(); void StartRadish(void); void StopRadish(void); void RestartRadish(void); boolean IsRadishRunning(void); static boolean GetIPv4State( uint8_t *status, qmi_error_type_v01 *qmi_err_num ); static boolean GetIPv6State( uint8_t *status, qmi_error_type_v01 *qmi_err_num ); void DeletePPPIPv6Route(); static boolean IsPPPkilled(); void AddPPPIPv6Route(); boolean BlockIPv4WWANAccess(); boolean BlockIPv6WWANAccess(); /*Deleting the Global Ipv6 address when the Ipv6 call is brought down*/ boolean DeleteGlobalipv6AddressInfo (); boolean DeprecateClientRA(void); boolean GetIP(uint32 *staIP, uint32 *netMask, char *iface); /* Configure Webserver WWAN Access. */ static boolean SetWebserverWWANAccess ( boolean enable, qmi_error_type_v01 *qmi_err_num ); boolean SetWebserverWWANAccessOnApps ( boolean enable, qmi_error_type_v01 *qmi_err_num ); static boolean GetWebserverWWANAccessFlag ( uint8 *flag, qmi_error_type_v01 *qmi_err_num ); boolean ComparePriority(qcmap_backhaul_type intf1,qcmap_backhaul_type intf2); void BlockWWANAccessOnIface(ip_version_enum_type ip_vsn, char *devname); void AllowBackhaulAccessOnIface(ip_version_enum_type ip_vsn, char *devname); void ClearIfaceRelatedRulesForV6(char *devname); void ClearIfaceRelatedRulesForV4(char *devname); boolean RemoveIPV6Address(char *devname); void StopDHCPCD(char* iface); /* Send RS on Bridge Iface*/ void SendRSOnBridgeIface(void); /* IPv6 Proxy functions */ static void ProcessNS(qcmap_nl_addr_t* nl_addr); static void ProcessNA(qcmap_nl_addr_t* nl_addr); void SendProxyNS(char *nd_packet_buf); void SendProxyNA(struct ps_in6_addr *dst_v6_addr, char *nd_packet_buf, uint8 *src_mac_addr); /* Router mode External Routing Functions */ static void AddV6ExternalRoute(qcmap_nl_addr_t* nl_addr, char* iface); static void DeleteV6ExternalRoute(uint8_t* v6_addr, char* iface); static void DeleteAllV6ExternalRoute(char* iface); /*Join Multicast group*/ static void JoinMulticastGroup (qcmap_v6_sock_iface_t iface_type, char* iface); /* Add default gateway information from RA*/ void AddIPv6DefaultRouteInfo(qcmap_nl_addr_t *nladdr); void SwitchToWWANBackhaul(); static void SwitchToOtherBackhaul( qcmap_backhaul_type backhaul_type, boolean allow_ipv4, boolean allow_ipv6); static boolean SwitchToBackhaul(qcmap_backhaul_type backhaul_type); static inline void AddRdnssInfo(struct rdnss *rdns_info) { rdns_info->type = RDNSS_SERVER_TYPE; rdns_info->reserved = 0; rdns_info->lifetime= INFINITE_LIFE_TIME; } void AddIPv6PrefixBasedRules(int ap_dev_num); void RemoveIPv6PrefixBasedRules(int ap_dev_num); int GetDeviceName( char*, qcmap_msgr_ip_family_enum_v01, qmi_error_type_v01*); boolean IsBackhaulRouterModeEnabled(); pugi::xml_node GetPdnRootXML(pugi::xml_document *xml_file); void SwapNatAlgObjectWithDefault(); void SwapFirewallObjectWithDefault(); void SwapVlanIdWithDefault(); static void SendPacketStatIndOnBackhaulSwitch(); }; #endif