Define helper functions to init, add, get, remove, flush and deinit
PMKSA cache for PASN initiator and responder. P2P devices can be in
a role of pairing initiator and responder. Hence define a cache for
each role separately.
Signed-off-by: Shivani Baranwal <quic_shivbara@xxxxxxxxxxx>
---
src/pasn/pasn_common.h | 26 +++++++++++++++++++--
src/pasn/pasn_initiator.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++
src/pasn/pasn_responder.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 142 insertions(+), 2 deletions(-)
diff --git a/src/pasn/pasn_common.h b/src/pasn/pasn_common.h
index 42ff83b..e3ff746 100644
--- a/src/pasn/pasn_common.h
+++ b/src/pasn/pasn_common.h
@@ -203,9 +203,18 @@ void pasn_set_peer_addr(struct pasn_data *pasn, const u8 *addr);
void pasn_set_bssid(struct pasn_data *pasn, const u8 *addr);
void pasn_set_initiator_pmksa(struct pasn_data *pasn,
struct rsn_pmksa_cache *pmksa);
-void pasn_set_responder_pmksa(struct pasn_data *pasn,
- struct rsn_pmksa_cache *pmksa);
int pasn_set_pt(struct pasn_data *pasn, struct sae_pt *pt);
+struct rsn_pmksa_cache * pasn_initiator_pmksa_cache_init(void);
+void pasn_initiator_pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa);
+int pasn_initiator_pmksa_cache_add(struct rsn_pmksa_cache *pmksa,
+ const u8 *own_addr, const u8 *bssid, u8 *pmk,
+ size_t pmk_len, u8 *pmkid);
+int pasn_initiator_pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
+ const u8 *bssid, u8 *pmkid, u8 *pmk,
+ size_t *pmk_len);
+void pasn_initiator_pmksa_cache_remove(struct rsn_pmksa_cache *pmksa,
+ const u8 *bssid);
+void pasn_initiator_pmksa_cache_flush(struct rsn_pmksa_cache *pmksa);
/* Responder */
void pasn_set_password(struct pasn_data *pasn, const char *password);
@@ -216,6 +225,19 @@ void pasn_set_rsnxe_ie(struct pasn_data *pasn, const u8 *rsnxe_ie);
void pasn_set_custom_pmkid(struct pasn_data *pasn, const u8 *pmkid);
int pasn_set_extra_ies(struct pasn_data *pasn, const u8 *extra_ies,
size_t extra_ies_len);
+void pasn_set_responder_pmksa(struct pasn_data *pasn,
+ struct rsn_pmksa_cache *pmksa);
+struct rsn_pmksa_cache * pasn_responder_pmksa_cache_init(void);
+void pasn_responder_pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa);
+int pasn_responder_pmksa_cache_add(struct rsn_pmksa_cache *pmksa,
+ const u8 *own_addr, const u8 *bssid, u8 *pmk,
+ size_t pmk_len, u8 *pmkid);
+int pasn_responder_pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
+ const u8 *bssid, u8 *pmkid, u8 *pmk,
+ size_t *pmk_len);
+void pasn_responder_pmksa_cache_remove(struct rsn_pmksa_cache *pmksa,
+ const u8 *bssid);
+void pasn_responder_pmksa_cache_flush(struct rsn_pmksa_cache *pmksa);
int pasn_get_akmp(struct pasn_data *pasn);
int pasn_get_cipher(struct pasn_data *pasn);
diff --git a/src/pasn/pasn_initiator.c b/src/pasn/pasn_initiator.c
index c9771c7..dbcc91a 100644
--- a/src/pasn/pasn_initiator.c
+++ b/src/pasn/pasn_initiator.c
@@ -26,6 +26,65 @@
#include "pasn_common.h"
+struct rsn_pmksa_cache * pasn_initiator_pmksa_cache_init(void)
+{
+ return pmksa_cache_init(NULL, NULL, NULL, NULL, NULL);
+}
+
+
+void pasn_initiator_pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa)
+{
+ return pmksa_cache_deinit(pmksa);
+}
+
+
+int pasn_initiator_pmksa_cache_add(struct rsn_pmksa_cache *pmksa,
+ const u8 *own_addr, const u8 *bssid, u8 *pmk,
+ size_t pmk_len, u8 *pmkid)
+{
+ if (pmksa_cache_add(pmksa, pmk, pmk_len, pmkid, NULL, 0, bssid,
+ own_addr, NULL, WPA_KEY_MGMT_SAE, 0))
+ return 0;
+ return -1;
+}
+
+
+void pasn_initiator_pmksa_cache_remove(struct rsn_pmksa_cache *pmksa,
+ const u8 *bssid)
+{
+ struct rsn_pmksa_cache_entry *entry;
+
+ entry = pmksa_cache_get(pmksa, bssid, NULL, NULL, NULL, 0);
+ if (!entry)
+ return;
+
+ pmksa_cache_remove(pmksa, entry);
+}
+
+
+int pasn_initiator_pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
+ const u8 *bssid, u8 *pmkid, u8 *pmk,
+ size_t *pmk_len)
+{
+ struct rsn_pmksa_cache_entry *entry;
+
+ entry = pmksa_cache_get(pmksa, bssid, NULL, NULL, NULL, 0);
+ if (entry) {
+ os_memcpy(pmkid, entry->pmkid, PMKID_LEN);
+ os_memcpy(pmk, entry->pmk, entry->pmk_len);
+ *pmk_len = entry->pmk_len;
+ return 0;
+ }
+ return -1;
+}
+
+
+void pasn_initiator_pmksa_cache_flush(struct rsn_pmksa_cache *pmksa)
+{
+ return pmksa_cache_flush(pmksa, NULL, NULL, 0, false);
+}
+
+
void pasn_set_initiator_pmksa(struct pasn_data *pasn,
struct rsn_pmksa_cache *pmksa)
{
diff --git a/src/pasn/pasn_responder.c b/src/pasn/pasn_responder.c
index fd67fba..c75ba87 100644
--- a/src/pasn/pasn_responder.c
+++ b/src/pasn/pasn_responder.c
@@ -26,6 +26,65 @@
#include "pasn_common.h"
+struct rsn_pmksa_cache * pasn_responder_pmksa_cache_init(void)
+{
+ return pmksa_cache_auth_init(NULL, NULL);
+}
+
+
+void pasn_responder_pmksa_cache_deinit(struct rsn_pmksa_cache *pmksa)
+{
+ return pmksa_cache_auth_deinit(pmksa);
+}
+
+
+int pasn_responder_pmksa_cache_add(struct rsn_pmksa_cache *pmksa,
+ const u8 *own_addr, const u8 *bssid, u8 *pmk,
+ size_t pmk_len, u8 *pmkid)
+{
+ if (pmksa_cache_auth_add(pmksa, pmk, pmk_len, pmkid, NULL, 0, own_addr,
+ bssid, 0, NULL, WPA_KEY_MGMT_SAE))
+ return 0;
+ return -1;
+}
+
+
+int pasn_responder_pmksa_cache_get(struct rsn_pmksa_cache *pmksa,
+ const u8 *bssid, u8 *pmkid, u8 *pmk,
+ size_t *pmk_len)
+{
+ struct rsn_pmksa_cache_entry *entry;
+
+ entry = pmksa_cache_auth_get(pmksa, bssid, NULL);
+ if (entry) {
+ os_memcpy(pmkid, entry->pmkid, PMKID_LEN);
+ os_memcpy(pmk, entry->pmk, entry->pmk_len);
+ *pmk_len = entry->pmk_len;
+ return 0;
+ }
+ return -1;
+}
+
+
+void pasn_responder_pmksa_cache_remove(struct rsn_pmksa_cache *pmksa,
+ const u8 *bssid)
+{
+ struct rsn_pmksa_cache_entry *entry;
+
+ entry = pmksa_cache_auth_get(pmksa, bssid, NULL);
+ if (!entry)
+ return;
+
+ pmksa_cache_free_entry(pmksa, entry);
+}
+
+
+void pasn_responder_pmksa_cache_flush(struct rsn_pmksa_cache *pmksa)
+{
+ return pmksa_cache_auth_flush(pmksa);
+}
+
+
void pasn_set_responder_pmksa(struct pasn_data *pasn,
struct rsn_pmksa_cache *pmksa)
{
--
2.7.4
_______________________________________________
Hostap mailing list
Hostap@xxxxxxxxxxxxxxxxxxx
http://lists.infradead.org/mailman/listinfo/hostap
