PASN: Move initiator changes into a separate file

PASN initiator functionality builds auth 1 and auth 3 frames, and
processes auth 2 frame received from the responder. Wi-Fi Aware modules
can reuse this functionality through a shared library libpasn.so
generated from this code. Move the PASN functionality that is now
decoupled from the wpa_s context into a separate file in a common
directory to make it easier to build such a library.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>

src/Makefile

@@ -1,4 +1,4 @@
-SUBDIRS=ap common crypto drivers eapol_auth eapol_supp eap_common eap_peer eap_server l2_packet p2p pae radius rsn_supp tls utils wps
+SUBDIRS=ap common crypto drivers eapol_auth eapol_supp eap_common eap_peer eap_server l2_packet p2p pae pasn radius rsn_supp tls utils wps
 SUBDIRS += fst
 
 all:

src/pasn/Makefile

@@ -0,0 +1,15 @@
+CFLAGS += -DCONFIG_SAE
+CFLAGS += -DCONFIG_FILS
+CFLAGS += -DIEEE8021X_EAPOL
+CFLAGS += -DCONFIG_IEEE80211R
+CFLAGS += -DCONFIG_TESTING_OPTIONS
+CFLAGS += -DCONFIG_SAE_PK
+CFLAGS += -DCONFIG_SHA256
+CFLAGS += -DCONFIG_SHA384
+CFLAGS += -DCONFIG_SHA512
+CFLAGS += -DCONFIG_PASN
+
+LIB_OBJS= \
+	pasn_initiator.o
+
+include ../lib.rules

src/pasn/pasn_common.h

@@ -137,6 +137,19 @@ struct wpas_pasn {
 				     const u8 *pmkid);
 };
 
+/* Initiator */
+
+void wpa_pasn_reset(struct wpas_pasn *pasn);
+int wpas_pasn_start(struct wpas_pasn *pasn, const u8 *own_addr,
+		    const u8 *bssid, int akmp, int cipher, u16 group,
+		    int freq, const u8 *beacon_rsne, u8 beacon_rsne_len,
+		    const u8 *beacon_rsnxe, u8 beacon_rsnxe_len,
+		    struct wpabuf *comeback);
+int wpa_pasn_auth_rx(struct wpas_pasn *pasn, const u8 *data, size_t len,
+		     struct wpa_pasn_params_data *pasn_params);
+int wpa_pasn_auth_tx_status(struct wpas_pasn *pasn,
+			    const u8 *data, size_t data_len, u8 acked);
+
 #endif /* CONFIG_PASN */
 
 #ifdef __cplusplus

wpa_supplicant/Android.mk

@@ -383,6 +383,7 @@ NEED_HMAC_SHA384_KDF=y
 NEED_SHA256=y
 NEED_SHA384=y
 OBJS += src/common/ptksa_cache.c
+OBJS += src/pasn/pasn_initiator.c
 OBJS += pasn_supplicant.c
 endif
 

wpa_supplicant/Makefile

@@ -414,6 +414,7 @@ NEED_HMAC_SHA384_KDF=y
 NEED_SHA256=y
 NEED_SHA384=y
 OBJS += ../src/common/ptksa_cache.o
+OBJS += ../src/pasn/pasn_initiator.o
 OBJS += pasn_supplicant.o
 endif