/* * * Wireless daemon for Linux * * Copyright (C) 2013-2019 Intel Corporation. All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * */ #include #include #include /* * Information elements, IEEE Std 802.11-2012 ch. 8.4.2 and * 802.11-2016 ch. 9.4.2. */ enum ie_type { IE_TYPE_SSID = 0, IE_TYPE_SUPPORTED_RATES = 1, IE_TYPE_FH_PARAMETER_SET = 2, IE_TYPE_DSSS_PARAMETER_SET = 3, IE_TYPE_CF_PARAMETER_SET = 4, IE_TYPE_TIM = 5, IE_TYPE_IBSS_PARAMETER_SET = 6, IE_TYPE_COUNTRY = 7, IE_TYPE_HOPPING_PATTERN_PARAMETERS = 8, IE_TYPE_HOPPING_PATTERN_TABLE = 9, IE_TYPE_REQUEST = 10, IE_TYPE_BSS_LOAD = 11, IE_TYPE_EDCA_PARAMETER_SET = 12, IE_TYPE_TSPEC = 13, IE_TYPE_TCLAS = 14, IE_TYPE_SCHEDULE = 15, IE_TYPE_CHALLENGE_TEXT = 16, /* Reserved 17 - 31 */ IE_TYPE_POWER_CONSTRAINT = 32, IE_TYPE_POWER_CAPABILITY = 33, IE_TYPE_TPC_REQUEST = 34, IE_TYPE_TPC_REPORT = 35, IE_TYPE_SUPPORTED_CHANNELS = 36, IE_TYPE_CHANNEL_SWITCH_ANNOUNCEMENT = 37, IE_TYPE_MEASUREMENT_REQUEST = 38, IE_TYPE_MEASUREMENT_REPORT = 39, IE_TYPE_QUIET = 40, IE_TYPE_IBSS_DFS = 41, IE_TYPE_ERP = 42, IE_TYPE_TS_DELAY = 43, IE_TYPE_TCLAS_PROCESSING = 44, IE_TYPE_HT_CAPABILITIES = 45, IE_TYPE_QOS_CAPABILITY = 46, /* Reserved 47 */ IE_TYPE_RSN = 48, /* Reserved 49 */ IE_TYPE_EXTENDED_SUPPORTED_RATES = 50, IE_TYPE_AP_CHANNEL_REPORT = 51, IE_TYPE_NEIGHBOR_REPORT = 52, IE_TYPE_RCPI = 53, IE_TYPE_MOBILITY_DOMAIN = 54, IE_TYPE_FAST_BSS_TRANSITION = 55, IE_TYPE_TIMEOUT_INTERVAL = 56, IE_TYPE_RIC_DATA = 57, IE_TYPE_DSE_REGISTERED_LOCATION = 58, IE_TYPE_SUPPORTED_OPERATING_CLASSES = 59, IE_TYPE_EXTENDED_CHANNEL_SWITCH_ANNOUNCEMENT = 60, IE_TYPE_HT_OPERATION = 61, IE_TYPE_SECONDARY_CHANNEL_OFFSET = 62, IE_TYPE_BSS_AVERAGE_ACCESS_DELAY = 63, IE_TYPE_ANTENNA = 64, IE_TYPE_RSNI = 65, IE_TYPE_MEASUREMENT_PILOT_TRANSMISSION = 66, IE_TYPE_BSS_AVAILABLE_ADMISSION_CAPACITY = 67, IE_TYPE_BSS_AC_ACCESS_DELAY = 68, IE_TYPE_TIME_ADVERTISEMENT = 69, IE_TYPE_RM_ENABLED_CAPABILITIES = 70, IE_TYPE_MULTIPLE_BSSID = 71, IE_TYPE_BSS_COEXISTENCE = 72, IE_TYPE_BSS_INTOLERANT_CHANNEL_REPORT = 73, IE_TYPE_OVERLAPPING_BSS_SCAN_PARAMETERS = 74, IE_TYPE_RIC_DESCRIPTOR = 75, IE_TYPE_MANAGEMENT_MIC = 76, IE_TYPE_EVENT_REQUEST = 78, IE_TYPE_EVENT_REPORT = 79, IE_TYPE_DIAGNOSTIC_REQUEST = 80, IE_TYPE_DIAGNOSTIC_REPORT = 81, IE_TYPE_LOCATION_PARAMETERS = 82, IE_TYPE_NONTRANSMITTED_BSSID_CAPABILITY = 83, IE_TYPE_SSID_LIST = 84, IE_TYPE_MULTIPLE_BSSID_INDEX = 85, IE_TYPE_FMS_DESCRIPTOR = 86, IE_TYPE_FMS_REQUEST = 87, IE_TYPE_FMS_RESPONSE = 88, IE_TYPE_QOS_TRAFFIC_CAPABILITY = 89, IE_TYPE_BSS_MAX_IDLE_PERIOD = 90, IE_TYPE_TFS_REQUEST = 91, IE_TYPE_TFS_RESPONSE = 92, IE_TYPE_WNM_SLEEP_MODE = 93, IE_TYPE_TIM_BROADCAST_REQUEST = 94, IE_TYPE_TIM_BROADCAST_RESPONSE = 95, IE_TYPE_COLLOCATED_INTERFERENCE_REPORT = 96, IE_TYPE_CHANNEL_USAGE = 97, IE_TYPE_TIME_ZONE = 98, IE_TYPE_DMS_REQUEST = 99, IE_TYPE_DMS_RESPONSE = 100, IE_TYPE_LINK_IDENTIFIER = 101, IE_TYPE_WAKEUP_SCHEDULE = 102, IE_TYPE_CHANNEL_SWITCH_TIMING = 104, IE_TYPE_PTI_CONTROL = 105, IE_TYPE_TPU_BUFFER_STATUS = 106, IE_TYPE_INTERWORKING = 107, IE_TYPE_ADVERTISEMENT_PROTOCOL = 108, IE_TYPE_EXPEDITED_BANDWIDTH_REQUEST = 109, IE_TYPE_QOS_MAP_SET = 110, IE_TYPE_ROAMING_CONSORTIUM = 111, IE_TYPE_EMERGENCY_ALERT_IDENTIFIER = 112, IE_TYPE_MESH_CONFIGURATION = 113, IE_TYPE_MESH_ID = 114, IE_TYPE_MESH_LINK_METRIC_REPORT = 115, IE_TYPE_CONGESTION_NOTIFICATION = 116, IE_TYPE_MESH_PEERING_MANAGEMENT = 117, IE_TYPE_MESH_CHANNEL_SWITCH_PARAMETERS = 118, IE_TYPE_MESH_AWAKE_WINDOW = 119, IE_TYPE_BEACON_TIMING = 120, IE_TYPE_MCCAOP_SETUP_REQUEST = 121, IE_TYPE_MCCAOP_SETUP_REPLY = 122, IE_TYPE_MCCAOP_ADVERTISEMENT = 123, IE_TYPE_MCCAOP_TEARDOWN = 124, IE_TYPE_GANN = 125, IE_TYPE_RANN = 126, IE_TYPE_EXTENDED_CAPABILITIES = 127, /* Reserved 128 - 129 */ IE_TYPE_PREQ = 130, IE_TYPE_PREP = 131, IE_TYPE_PERR = 132, /* Reserved 133 - 136 */ IE_TYPE_PXU = 137, IE_TYPE_PXUC = 138, IE_TYPE_AUTHENTICATED_MESH_PEERING_EXCHANGE = 139, IE_TYPE_MIC = 140, IE_TYPE_DESTINATION_URI = 141, IE_TYPE_U_APSD_COEXISTENCE = 142, IE_TYPE_DMG_WAKEUP_SCHEDULE = 143, IE_TYPE_EXTENDED_SCHEDULE = 144, IE_TYPE_STA_AVAILABILITY = 145, IE_TYPE_DMG_TSPEC = 146, IE_TYPE_NEXT_DMG_ATI = 147, IE_TYPE_DMG_CAPABILITIES = 148, /* Reserved 149 - 150 */ IE_TYPE_DMG_OPERATION = 151, IE_TYPE_DMG_BSS_PARAMETER_CHANGE = 152, IE_TYPE_DMG_BEAM_REFINEMENT = 153, IE_TYPE_CHANNEL_MEASUREMENT_FEEDBACK = 154, /* Reserved 155 - 156 */ IE_TYPE_AWAKE_WINDOW = 157, IE_TYPE_MULTIBAND = 158, IE_TYPE_ADDBA_EXTENSION = 159, IE_TYPE_NEXTPCP_LIST = 160, IE_TYPE_PCP_HANDOVER = 161, IE_TYPE_DMG_LINK_MARGIN = 162, IE_TYPE_SWITCHING_STREAM = 163, IE_TYPE_SESSION_TRANSITION = 164, IE_TYPE_DYNAMIC_TONE_PAIRING_REPORT = 165, IE_TYPE_CLUSTER_REPORT = 166, IE_TYPE_RELAY_CAPABILITIES = 167, IE_TYPE_RELAY_TRANSFER_PARAMETER_SET = 168, IE_TYPE_BEAMLINK_MAINTENANCE = 169, IE_TYPE_MULTIPLE_MAC_SUBLAYERS = 170, IE_TYPE_UPID = 171, IE_TYPE_DMG_LINK_ADAPTATION_ACKNOWLEDGEMENT = 172, /* Reserved 173 */ IE_TYPE_MCCAOP_ADVERTISEMENT_OVERVIEW = 174, IE_TYPE_QUIET_PERIOD_REQUEST = 175, /* Reserved 176 */ IE_TYPE_QUIET_PERIOD_RESPONSE = 177, /* Reserved 178-180 */ IE_TYPE_QMF_POLICY = 181, IE_TYPE_ECAPC_POLICY = 182, IE_TYPE_CLUSTER_TIME_OFFSET = 183, IE_TYPE_INTRAACCESS_CATEGORY_PRIORITY = 184, IE_TYPE_SCS_DESCRIPTOR = 185, IE_TYPE_QLOAD_REPORT = 186, IE_TYPE_HCCA_TXOP_UPDATE_COUNT = 187, IE_TYPE_HIGHER_LAYER_STREAM_ID = 188, IE_TYPE_GCR_GROUP_ADDRESS = 189, IE_TYPE_ANTENNA_SECTOR_ID_PATTERN = 190, IE_TYPE_VHT_CAPABILITIES = 191, IE_TYPE_VHT_OPERATION = 192, IE_TYPE_EXTENDED_BSS_LOAD = 193, IE_TYPE_WIDE_BANDWIDTH_CHANNEL_SWITCH = 194, IE_TYPE_TRANSMIT_POWER_ENVELOPE = 195, IE_TYPE_CHANNEL_SWITCH_WRAPPER = 196, IE_TYPE_AID = 197, IE_TYPE_QUIET_CHANNEL = 198, IE_TYPE_OPERATING_MODE_NOTIFICATION = 199, IE_TYPE_UPSIM = 200, IE_TYPE_REDUCED_NEIGHBOR_REPORT = 201, IE_TYPE_TVHT_OPERATION = 202, /* Reserved 203 */ IE_TYPE_DEVICE_LOCATION = 204, IE_TYPE_WHITE_SPACE_MAP = 205, IE_TYPE_FINE_TIMING_MEASUREMENT_PARAMETERS = 206, /* Reserved 207 - 220 */ IE_TYPE_VENDOR_SPECIFIC = 221, /* Reserved 222 - 254 */ IE_TYPE_FILS_INDICATION = 240, IE_TYPE_EXTENSION = 255, IE_TYPE_FILS_REQUEST_PARAMETERS = 256 + 2, IE_TYPE_FILS_KEY_CONFIRMATION = 256 + 3, IE_TYPE_FILS_SESSION = 256 + 4, IE_TYPE_FILS_HLP_CONTAINER = 256 + 5, IE_TYPE_FILS_IP_ADDRESS = 256 + 6, IE_TYPE_KEY_DELIVERY = 256 + 7, IE_TYPE_FILS_WRAPPED_DATA = 256 + 8, IE_TYPE_FTM_SYNCHRONIZATION_INFORMATION = 256 + 9, IE_TYPE_EXTENDED_REQUEST = 256 + 10, IE_TYPE_ESTIMATED_SERVICE_PARAMETERS = 256 + 11, IE_TYPE_FILS_PUBLIC_KEY = 256 + 12, IE_TYPE_FILS_NONCE = 256 + 13, IE_TYPE_FUTURE_CHANNEL_GUIDANCE = 256 + 14, IE_TYPE_OWE_DH_PARAM = 256 + 32, }; /* * WiFi Alliance Hotspot 2.0 Specification - Section 3.1 Elements Definitions */ enum ie_vendor_wfa_oi_type { IE_WFA_OI_HS20_INDICATION = 0x10, IE_WFA_OI_OSEN = 0x12, IE_WFA_OI_ROAMING_SELECTION = 0x1d, }; enum ie_advertisement_id { IE_ADVERTISEMENT_ANQP = 0, IE_ADVERTISEMENT_MIH_SERVICE = 1, IE_ADVERTISEMENT_MIH_DISCOVERY = 2, IE_ADVERTISEMENT_EAS = 3, IE_ADVERTISEMENT_RLQP = 4, IE_ADVERTISEMENT_VENDOR_SPECIFIC = 221, }; enum ie_rsn_cipher_suite { IE_RSN_CIPHER_SUITE_USE_GROUP_CIPHER = 0x0001, IE_RSN_CIPHER_SUITE_WEP40 = 0x0002, IE_RSN_CIPHER_SUITE_TKIP = 0x0004, IE_RSN_CIPHER_SUITE_CCMP = 0x0008, IE_RSN_CIPHER_SUITE_WEP104 = 0x0010, IE_RSN_CIPHER_SUITE_BIP = 0x0020, IE_RSN_CIPHER_SUITE_NO_GROUP_TRAFFIC = 0x0040, }; enum ie_rsn_akm_suite { IE_RSN_AKM_SUITE_8021X = 0x0001, IE_RSN_AKM_SUITE_PSK = 0x0002, IE_RSN_AKM_SUITE_FT_OVER_8021X = 0x0004, IE_RSN_AKM_SUITE_FT_USING_PSK = 0x0008, IE_RSN_AKM_SUITE_8021X_SHA256 = 0x0010, IE_RSN_AKM_SUITE_PSK_SHA256 = 0x0020, IE_RSN_AKM_SUITE_TDLS = 0x0040, IE_RSN_AKM_SUITE_SAE_SHA256 = 0x0080, IE_RSN_AKM_SUITE_FT_OVER_SAE_SHA256 = 0x0100, IE_RSN_AKM_SUITE_AP_PEER_KEY_SHA256 = 0x0200, IE_RSN_AKM_SUITE_8021X_SUITE_B_SHA256 = 0x0400, IE_RSN_AKM_SUITE_8021X_SUITE_B_SHA384 = 0x0800, IE_RSN_AKM_SUITE_FT_OVER_8021X_SHA384 = 0x1000, IE_RSN_AKM_SUITE_OWE = 0x2000, IE_RSN_AKM_SUITE_FILS_SHA256 = 0x4000, IE_RSN_AKM_SUITE_FILS_SHA384 = 0x8000, IE_RSN_AKM_SUITE_FT_OVER_FILS_SHA256 = 0x10000, IE_RSN_AKM_SUITE_FT_OVER_FILS_SHA384 = 0x20000, IE_RSN_AKM_SUITE_OSEN = 0x40000, }; #define IE_AKM_IS_SAE(akm) \ ((akm == IE_RSN_AKM_SUITE_SAE_SHA256) || \ (akm == IE_RSN_AKM_SUITE_FT_OVER_SAE_SHA256)) #define IE_LEN(ie) \ (ie) ? (ie)[1] + 2 : 0 struct ie_tlv_iter { unsigned int max; unsigned int pos; const unsigned char *tlv; unsigned int tag; unsigned int len; const unsigned char *data; }; #define MAX_BUILDER_SIZE (8 * 1024) struct ie_tlv_builder { unsigned char buf[MAX_BUILDER_SIZE]; unsigned int max; unsigned int pos; unsigned char *tlv; struct ie_tlv_builder *parent; unsigned int tag; unsigned int len; }; struct ie_rsn_info { enum ie_rsn_cipher_suite group_cipher; uint16_t pairwise_ciphers; uint32_t akm_suites; bool preauthentication:1; bool no_pairwise:1; uint8_t ptksa_replay_counter:2; uint8_t gtksa_replay_counter:2; bool mfpr:1; bool mfpc:1; bool peerkey_enabled:1; bool spp_a_msdu_capable:1; bool spp_a_msdu_required:1; bool pbac:1; bool extended_key_id:1; uint8_t num_pmkids; const uint8_t *pmkids; enum ie_rsn_cipher_suite group_management_cipher; }; /* IEEE 802.11-2016, Section 9.4.1.4 */ enum ie_bss_capability { IE_BSS_CAP_ESS = 0x0001, IE_BSS_CAP_IBSS = 0x0002, IE_BSS_CAP_CF_POLLABLE = 0x0004, IE_BSS_CAP_CF_POLL_REQ = 0x0008, IE_BSS_CAP_PRIVACY = 0x0010, IE_BSS_CAP_SHORT_PREAMBLE = 0x0020, IE_BSS_CAP_SPECTRUM_MANAGEMENT = 0x0100, IE_BSS_CAP_QOS = 0x0200, IE_BSS_CAP_SHORT_SLOT_TIME = 0x0400, IE_BSS_CAP_APSD = 0x0800, IE_BSS_CAP_RM = 0x1000, IE_BSS_CAP_DELAYED_BLOCK_ACK = 0x4000, IE_BSS_CAP_IMMEDIATE_BLOCK_ACK = 0x8000, }; struct ie_ft_info { uint8_t mic_element_count; uint8_t mic[24]; uint8_t anonce[32]; uint8_t snonce[32]; uint8_t r0khid[48]; size_t r0khid_len; uint8_t r1khid[6]; bool r1khid_present:1; uint8_t gtk_key_id; uint8_t gtk_len; uint8_t gtk_rsc[8]; uint8_t gtk[40]; uint16_t igtk_key_id; uint8_t igtk_ipn[6]; uint8_t igtk_len; uint8_t igtk[24]; }; /* See chapter 8.4.2.47 for radio measurement capability details */ enum ie_rm_capability { IE_RM_CAP_NEIGHBOR_REPORT = 0x0002, }; struct ie_neighbor_report_info { uint8_t addr[6]; uint8_t reachable; bool spectrum_mgmt : 1; bool qos : 1; bool apsd : 1; bool rm : 1; bool delayed_block_ack : 1; bool immediate_block_ack : 1; bool security : 1; bool key_scope : 1; bool md : 1; bool ht : 1; uint8_t oper_class; uint8_t channel_num; uint8_t phy_type; uint8_t bss_transition_pref; bool bss_transition_pref_present : 1; }; extern const unsigned char ieee_oui[3]; extern const unsigned char microsoft_oui[3]; extern const unsigned char wifi_alliance_oui[3]; void ie_tlv_iter_init(struct ie_tlv_iter *iter, const unsigned char *tlv, unsigned int len); void ie_tlv_iter_recurse(struct ie_tlv_iter *iter, struct ie_tlv_iter *recurse); bool ie_tlv_iter_next(struct ie_tlv_iter *iter); static inline unsigned int ie_tlv_iter_get_tag(struct ie_tlv_iter *iter) { return iter->tag; } static inline unsigned int ie_tlv_iter_get_length(struct ie_tlv_iter *iter) { return iter->len; } static inline const unsigned char *ie_tlv_iter_get_data( struct ie_tlv_iter *iter) { return iter->data; } void *ie_tlv_extract_wsc_payload(const uint8_t *ies, size_t len, ssize_t *out_len); void *ie_tlv_encapsulate_wsc_payload(const uint8_t *data, size_t len, size_t *out_len); void *ie_tlv_extract_p2p_payload(const uint8_t *ies, size_t len, ssize_t *out_len); void *ie_tlv_encapsulate_p2p_payload(const uint8_t *data, size_t len, size_t *out_len); void *ie_tlv_extract_wfd_payload(const unsigned char *ies, size_t len, ssize_t *out_len); bool ie_tlv_builder_init(struct ie_tlv_builder *builder, unsigned char *buf, size_t len); bool ie_tlv_builder_set_length(struct ie_tlv_builder *builder, unsigned int new_len); bool ie_tlv_builder_next(struct ie_tlv_builder *builder, unsigned int new_tag); unsigned char *ie_tlv_builder_get_data(struct ie_tlv_builder *builder); bool ie_tlv_builder_set_data(struct ie_tlv_builder *builder, const void *data, size_t len); bool ie_tlv_builder_recurse(struct ie_tlv_builder *builder, struct ie_tlv_builder *recurse); unsigned char *ie_tlv_builder_finalize(struct ie_tlv_builder *builder, unsigned int *out_len); uint32_t ie_rsn_cipher_suite_to_cipher(enum ie_rsn_cipher_suite suite); int ie_parse_rsne(struct ie_tlv_iter *iter, struct ie_rsn_info *info); int ie_parse_rsne_from_data(const uint8_t *data, size_t len, struct ie_rsn_info *info); bool ie_build_rsne(const struct ie_rsn_info *info, uint8_t *to); bool ie_rsne_is_wpa3_personal(const struct ie_rsn_info *info); int ie_parse_wpa(struct ie_tlv_iter *iter, struct ie_rsn_info *out_info); int ie_parse_wpa_from_data(const uint8_t *data, size_t len, struct ie_rsn_info *info); bool is_ie_wfa_ie(const uint8_t *data, uint8_t len, uint8_t oi_type); bool is_ie_wpa_ie(const uint8_t *data, uint8_t len); bool ie_build_wpa(const struct ie_rsn_info *info, uint8_t *to); int ie_parse_bss_load(struct ie_tlv_iter *iter, uint16_t *out_sta_count, uint8_t *out_channel_utilization, uint16_t *out_admission_capacity); int ie_parse_bss_load_from_data(const uint8_t *data, uint8_t len, uint16_t *out_sta_count, uint8_t *out_channel_utilization, uint16_t *out_admission_capacity); int ie_parse_supported_rates_from_data(const uint8_t *supp_rates_ie, uint8_t supp_rates_len, const uint8_t *ext_supp_rates_ie, uint8_t ext_supp_rates_len, int32_t rssi, uint64_t *data_rate); int ie_parse_data_rates(const uint8_t *supp_rates_ie, const uint8_t *ext_supp_rates_ie, const uint8_t *ht_ie, const uint8_t *vht_ie, int32_t rssi, uint64_t *data_rate); int ie_parse_mobility_domain(struct ie_tlv_iter *iter, uint16_t *mdid, bool *ft_over_ds, bool *resource_req); int ie_parse_mobility_domain_from_data(const uint8_t *data, uint8_t len, uint16_t *mdid, bool *ft_over_ds, bool *resource_req); bool ie_build_mobility_domain(uint16_t mdid, bool ft_over_ds, bool resource_req, uint8_t *to); int ie_parse_fast_bss_transition(struct ie_tlv_iter *iter, uint32_t mic_len, struct ie_ft_info *info); int ie_parse_fast_bss_transition_from_data(const uint8_t *data, uint8_t len, uint32_t mic_len, struct ie_ft_info *info); bool ie_build_fast_bss_transition(const struct ie_ft_info *info, uint32_t mic_len, uint8_t *to); int ie_parse_neighbor_report(struct ie_tlv_iter *iter, struct ie_neighbor_report_info *info); int ie_parse_osen_from_data(const uint8_t *data, size_t len, struct ie_rsn_info *info); int ie_parse_osen(struct ie_tlv_iter *iter, struct ie_rsn_info *out_info); bool ie_build_osen(const struct ie_rsn_info *info, uint8_t *to); int ie_parse_roaming_consortium(struct ie_tlv_iter *iter, size_t *num_anqp_out, const uint8_t **oi1_out, size_t *oi1_len_out, const uint8_t **oi2_out, size_t *oi2_len_out, const uint8_t **oi3_out, size_t *oi3_len_out); int ie_parse_roaming_consortium_from_data(const uint8_t *data, size_t len, size_t *num_anqp_out, const uint8_t **oi1_out, size_t *oi1_len_out, const uint8_t **oi2_out, size_t *oi2_len_out, const uint8_t **oi3_out, size_t *oi3_len_out); int ie_build_roaming_consortium(const uint8_t *rc, size_t rc_len, uint8_t *to); int ie_parse_hs20_indication(struct ie_tlv_iter *iter, uint8_t *version, uint16_t *pps_mo_id, uint8_t *domain_id); int ie_parse_hs20_indication_from_data(const uint8_t *data, size_t len, uint8_t *version, uint16_t *pps_mo_id, uint8_t *domain_id); int ie_build_hs20_indication(uint8_t version, uint8_t *to);