Prepares hostapd for use by a wifi HAL vendor APEX

- Allows hostapd HIDL to read from an APEX for config files.
- Creates a cc_defaults with soong config vars for hostapd that
  customized implementations can override.

Bug: 205065320
Test: m -j with mac80211_hwsim vendor APEX on Cuttlefish
Test: Connect to wifi and run hotspot
Change-Id: Id9937724a397d74c070a0b176c5ec0c18b71c9d1
Merged-In: Id9937724a397d74c070a0b176c5ec0c18b71c9d1
diff --git a/hostapd/Android.bp b/hostapd/Android.bp
new file mode 100644
index 0000000..e5d54f3
--- /dev/null
+++ b/hostapd/Android.bp
@@ -0,0 +1,324 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// 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.
+
+package {
+    default_applicable_licenses: [
+        "external_wpa_supplicant_8_license",
+        "external_wpa_supplicant_8_hostapd_license",
+    ],
+}
+
+license {
+    name: "external_wpa_supplicant_8_hostapd_license",
+    visibility: [":__subpackages__"],
+    license_kinds: [
+        "SPDX-license-identifier-BSD-3-Clause",
+        "SPDX-license-identifier-ISC",
+        "legacy_unencumbered",
+    ],
+}
+
+cc_library_headers {
+    name: "hostapd_headers",
+    export_include_dirs: [
+        ".",
+        "src",
+        "src/utils",
+    ],
+    soc_specific: true,
+}
+
+
+cc_defaults {
+    name: "hostapd_defaults",
+    defaults: ["hostapd_cflags_defaults"],
+    srcs: [":hostapd_srcs"],
+    shared_libs: [
+        "android.hardware.wifi.hostapd@1.0",
+        "android.hardware.wifi.hostapd@1.1",
+        "android.hardware.wifi.hostapd@1.2",
+        "android.hardware.wifi.hostapd@1.3",
+        "libbase",
+        "libhidlbase",
+        "libutils",
+        "libc",
+        "libcutils",
+        "liblog",
+        "libcrypto",
+        "libssl",
+        "libnl",
+        "libkeystore-wifi-hidl",
+    ],
+    relative_install_path: "hw",
+    soc_specific: true,
+    static_libs: [
+        "libhostapd_hidl_bp",
+    ],
+    header_libs: [
+        "hostapd_headers",
+        "libhostapd_hidl_headers",
+    ],
+}
+
+soong_config_module_type {
+    name: "hostapd_cflags_cc_defaults",
+    module_type: "cc_defaults",
+    config_namespace: "hostapd",
+    value_variables: [
+        "platform_version",
+        "nl80211_driver",
+    ],
+    properties: ["cflags"],
+}
+
+hostapd_cflags_cc_defaults {
+    name: "hostapd_cflags_defaults",
+    soong_config_variables: {
+        // Devices that include this module should set these soong config vars appropriately.
+        // For example:
+        //   $(call add_soong_config_namespace, wpa_supplicant)
+        //   $(call add_soong_config_var_value, wpa_supplicant, platform_version, $(PLATFORM_VERSION))
+        //   $(call add_soong_config_var_value, wpa_supplicant, nl80211_driver, CONFIG_DRIVER_NL80211_QCA)
+        platform_version: {
+            cflags: ["-DVERSION_STR_POSTFIX=\"-%s\""],
+            conditions_default: {
+                // Default value
+                cflags: ["-DVERSION_STR_POSTFIX=\"-Android\""],
+            },
+        },
+        nl80211_driver: {
+            cflags: ["-D%s"],
+            // Flag is optional, so no default value provided.
+        },
+    },
+    // Generated by building hostapd and printing LOCAL_CFLAGS.
+    cflags: [
+        "-DWPA_IGNORE_CONFIG_ERRORS",
+        "-DANDROID_LOG_NAME=\"hostapd\"",
+        "-DANDROID_P2P",
+        "-DCONFIG_CTRL_IFACE_CLIENT_DIR=\"/data/vendor/wifi/hostapd/sockets\"",
+        "-DCONFIG_CTRL_IFACE_DIR=\"/data/vendor/wifi/hostapd/ctrl\"",
+        "-DCONFIG_HOSTAPD_CLI_HISTORY_DIR=\"/data/vendor/wifi/hostapd\"",
+        "-DHOSTAPD",
+        "-DHOSTAPD_DUMP_STATE",
+        "-DCONFIG_NO_RADIUS",
+        "-DCONFIG_NO_ACCOUNTING",
+        "-DCONFIG_CTRL_IFACE",
+        "-DCONFIG_CTRL_IFACE_UNIX",
+        "-DCONFIG_SUITEB",
+        "-DCONFIG_SUITEB192",
+        "-DCONFIG_IEEE80211R",
+        "-DCONFIG_IEEE80211R_AP",
+        "-DCONFIG_ETH_P_OUI",
+        "-DCONFIG_SAE",
+        "-DCONFIG_SAE_PK",
+        "-DCONFIG_OWE",
+        "-DCONFIG_FILS",
+        "-DCONFIG_WNM",
+        "-DCONFIG_WNM_AP",
+        "-DCONFIG_IEEE80211AC",
+        "-DCONFIG_MBO",
+        "-DCONFIG_WEP",
+        "-DCONFIG_DRIVER_NL80211",
+        "-DEAP_SERVER_MD5",
+        "-DEAP_SERVER_TLS",
+        "-DEAP_SERVER_PEAP",
+        "-DEAP_SERVER_TTLS",
+        "-DEAP_SERVER_MSCHAPV2",
+        "-DEAP_SERVER_GTC",
+        "-DEAP_SERVER_SIM",
+        "-DEAP_SERVER_AKA",
+        "-DEAP_SERVER_AKA_PRIME",
+        "-DEAP_SERVER_PWD",
+        "-DCONFIG_WPS",
+        "-DEAP_SERVER_WSC",
+        "-DCONFIG_WPS_NFC",
+        "-DCONFIG_WPS_OOB",
+        "-DCONFIG_DPP",
+        "-DCONFIG_DPP2",
+        "-DEAP_SERVER_IDENTITY",
+        "-DEAP_SERVER",
+        "-DPKCS12_FUNCS",
+        "-DEAP_TLS_FUNCS",
+        "-DTLS_DEFAULT_CIPHERS=\"DEFAULT:!EXP:!LOW\"",
+        "-DCONFIG_SHA256",
+        "-DCONFIG_SHA384",
+        "-DCONFIG_SHA512",
+        "-DCONFIG_ECC",
+        "-DCONFIG_NO_RANDOM_POOL",
+        "-DCONFIG_IPV6",
+        "-DCONFIG_JSON",
+        "-DNEED_AP_MLME",
+        "-DCONFIG_HS20",
+        "-DCONFIG_INTERWORKING",
+        "-DCONFIG_PROXYARP",
+        "-DCONFIG_ACS",
+        "-DCONFIG_ANDROID_LOG",
+        "-DCONFIG_CTRL_IFACE_HIDL",
+        "-Wall",
+        "-Werror",
+        "-Wno-unused-parameter",
+        "-Wno-unused-variable",
+        "-Wno-macro-redefined",
+    ],
+}
+
+
+// Generated by building hostapd and printing LOCAL_SRC_FILES.
+filegroup {
+    name: "hostapd_srcs",
+    srcs: [
+        "main.c",
+        "config_file.c",
+        "ctrl_iface.c",
+        "eap_register.c",
+        "src/ap/hostapd.c",
+        "src/ap/wpa_auth_glue.c",
+        "src/ap/drv_callbacks.c",
+        "src/ap/ap_drv_ops.c",
+        "src/ap/utils.c",
+        "src/ap/authsrv.c",
+        "src/ap/ieee802_1x.c",
+        "src/ap/ap_config.c",
+        "src/ap/eap_user_db.c",
+        "src/ap/ieee802_11_auth.c",
+        "src/ap/sta_info.c",
+        "src/ap/wpa_auth.c",
+        "src/ap/tkip_countermeasures.c",
+        "src/ap/ap_mlme.c",
+        "src/ap/wpa_auth_ie.c",
+        "src/ap/preauth_auth.c",
+        "src/ap/pmksa_cache_auth.c",
+        "src/ap/ieee802_11_shared.c",
+        "src/ap/beacon.c",
+        "src/ap/bss_load.c",
+        "src/ap/neighbor_db.c",
+        "src/ap/rrm.c",
+        "src/drivers/drivers.c",
+        "src/utils/eloop.c",
+        "src/utils/common.c",
+        "src/utils/wpa_debug.c",
+        "src/utils/wpabuf.c",
+        "src/utils/os_unix.c",
+        "src/utils/ip_addr.c",
+        "src/utils/crc32.c",
+        "src/common/ieee802_11_common.c",
+        "src/common/wpa_common.c",
+        "src/common/hw_features_common.c",
+        "src/eapol_auth/eapol_auth_sm.c",
+        "src/eapol_auth/eapol_auth_dump.c",
+        "src/ap/vlan_init.c",
+        "src/ap/vlan_ifconfig.c",
+        "src/ap/vlan.c",
+        "src/common/ctrl_iface_common.c",
+        "src/ap/ctrl_iface_ap.c",
+        "src/ap/wpa_auth_ft.c",
+        "src/ap/eth_p_oui.c",
+        "src/common/sae.c",
+        "src/common/sae_pk.c",
+        "src/ap/fils_hlp.c",
+        "src/ap/wnm_ap.c",
+        "src/ap/mbo_ap.c",
+        "src/drivers/driver_nl80211.c",
+        "src/drivers/driver_nl80211_android.c",
+        "src/drivers/driver_nl80211_capa.c",
+        "src/drivers/driver_nl80211_event.c",
+        "src/drivers/driver_nl80211_monitor.c",
+        "src/drivers/driver_nl80211_scan.c",
+        "src/drivers/netlink.c",
+        "src/drivers/rfkill.c",
+        "src/utils/radiotap.c",
+        "src/drivers/linux_ioctl.c",
+        "src/l2_packet/l2_packet_linux.c",
+        "src/eap_server/eap_server_md5.c",
+        "src/eap_server/eap_server_tls.c",
+        "src/eap_server/eap_server_peap.c",
+        "src/eap_common/eap_peap_common.c",
+        "src/eap_server/eap_server_ttls.c",
+        "src/eap_server/eap_server_mschapv2.c",
+        "src/eap_server/eap_server_gtc.c",
+        "src/eap_server/eap_server_sim.c",
+        "src/eap_server/eap_server_aka.c",
+        "src/eap_common/eap_sim_common.c",
+        "src/eap_server/eap_sim_db.c",
+        "src/eap_server/eap_server_pwd.c",
+        "src/eap_common/eap_pwd_common.c",
+        "src/utils/uuid.c",
+        "src/ap/wps_hostapd.c",
+        "src/eap_server/eap_server_wsc.c",
+        "src/eap_common/eap_wsc_common.c",
+        "src/wps/wps.c",
+        "src/wps/wps_common.c",
+        "src/wps/wps_attr_parse.c",
+        "src/wps/wps_attr_build.c",
+        "src/wps/wps_attr_process.c",
+        "src/wps/wps_dev_attr.c",
+        "src/wps/wps_enrollee.c",
+        "src/wps/wps_registrar.c",
+        "src/wps/ndef.c",
+        "src/common/dpp.c",
+        "src/common/dpp_auth.c",
+        "src/common/dpp_backup.c",
+        "src/common/dpp_crypto.c",
+        "src/common/dpp_pkex.c",
+        "src/common/dpp_reconfig.c",
+        "src/common/dpp_tcp.c",
+        "src/ap/dpp_hostapd.c",
+        "src/ap/gas_query_ap.c",
+        "src/eap_server/eap_server.c",
+        "src/eap_common/eap_common.c",
+        "src/eap_server/eap_server_methods.c",
+        "src/eap_server/eap_server_identity.c",
+        "src/common/dragonfly.c",
+        "src/crypto/ms_funcs.c",
+        "src/eap_common/chap.c",
+        "src/eap_server/eap_server_tls_common.c",
+        "src/crypto/tls_openssl.c",
+        "src/crypto/tls_openssl_ocsp.c",
+        "src/crypto/crypto_openssl.c",
+        "src/crypto/fips_prf_openssl.c",
+        "src/crypto/aes-siv.c",
+        "src/crypto/aes-ctr.c",
+        "src/crypto/aes-omac1.c",
+        "src/crypto/sha1-prf.c",
+        "src/crypto/sha1-tlsprf.c",
+        "src/crypto/sha256-prf.c",
+        "src/crypto/sha256-tlsprf.c",
+        "src/crypto/sha256-kdf.c",
+        "src/crypto/sha384-kdf.c",
+        "src/crypto/sha512-kdf.c",
+        "src/crypto/sha384-prf.c",
+        "src/crypto/sha512-prf.c",
+        "src/tls/asn1.c",
+        "src/crypto/dh_groups.c",
+        "src/utils/base64.c",
+        "src/utils/json.c",
+        "src/ap/wmm.c",
+        "src/ap/ap_list.c",
+        "src/ap/ieee802_11.c",
+        "src/ap/hw_features.c",
+        "src/ap/dfs.c",
+        "src/ap/ieee802_11_ht.c",
+        "src/ap/ieee802_11_vht.c",
+        "src/ap/hs20.c",
+        "src/common/gas.c",
+        "src/ap/gas_serv.c",
+        "src/ap/x_snoop.c",
+        "src/ap/dhcp_snoop.c",
+        "src/ap/ndisc_snoop.c",
+        "src/drivers/driver_common.c",
+        "src/ap/acs.c",
+    ],
+
+}
diff --git a/hostapd/hidl/1.3/Android.bp b/hostapd/hidl/1.3/Android.bp
new file mode 100644
index 0000000..4568ef9
--- /dev/null
+++ b/hostapd/hidl/1.3/Android.bp
@@ -0,0 +1,51 @@
+// Copyright (C) 2021 The Android Open Source Project
+//
+// 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.
+
+package {
+    default_applicable_licenses: [
+        "external_wpa_supplicant_8_license",
+        "external_wpa_supplicant_8_hostapd_license",
+    ],
+}
+
+cc_library_headers {
+    name: "libhostapd_hidl_headers",
+    export_include_dirs: ["."],
+    soc_specific: true,
+}
+
+cc_library_static {
+    name: "libhostapd_hidl_bp",
+    srcs: ["*.cpp"],
+    defaults: ["hostapd_cflags_defaults"],
+    soc_specific: true,
+    shared_libs: [
+        "android.hardware.wifi.hostapd@1.0",
+        "android.hardware.wifi.hostapd@1.1",
+        "android.hardware.wifi.hostapd@1.2",
+        "android.hardware.wifi.hostapd@1.3",
+        "libbase",
+        "libhidlbase",
+        "libutils",
+        "liblog",
+    ],
+    cppflags: [
+        "-Wall",
+        "-Werror",
+    ],
+    header_libs: [
+        "hostapd_headers",
+        "libhostapd_hidl_headers",
+    ],
+}