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Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r--net/bluetooth/mgmt.c60
1 files changed, 15 insertions, 45 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 579f7261a7fe..45b7a4e5aa42 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -908,7 +908,7 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
908 struct hci_dev *hdev; 908 struct hci_dev *hdev;
909 struct mgmt_cp_load_keys *cp; 909 struct mgmt_cp_load_keys *cp;
910 u16 key_count, expected_len; 910 u16 key_count, expected_len;
911 int i, err; 911 int i;
912 912
913 cp = (void *) data; 913 cp = (void *) data;
914 914
@@ -918,9 +918,9 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
918 key_count = get_unaligned_le16(&cp->key_count); 918 key_count = get_unaligned_le16(&cp->key_count);
919 919
920 expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info); 920 expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info);
921 if (expected_len > len) { 921 if (expected_len != len) {
922 BT_ERR("load_keys: expected at least %u bytes, got %u bytes", 922 BT_ERR("load_keys: expected %u bytes, got %u bytes",
923 expected_len, len); 923 len, expected_len);
924 return -EINVAL; 924 return -EINVAL;
925 } 925 }
926 926
@@ -942,36 +942,17 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
942 else 942 else
943 clear_bit(HCI_DEBUG_KEYS, &hdev->flags); 943 clear_bit(HCI_DEBUG_KEYS, &hdev->flags);
944 944
945 len -= sizeof(*cp); 945 for (i = 0; i < key_count; i++) {
946 i = 0; 946 struct mgmt_key_info *key = &cp->keys[i];
947
948 while (i < len) {
949 struct mgmt_key_info *key = (void *) cp->keys + i;
950
951 i += sizeof(*key) + key->dlen;
952
953 if (key->type == HCI_LK_SMP_LTK) {
954 struct key_master_id *id = (void *) key->data;
955
956 if (key->dlen != sizeof(struct key_master_id))
957 continue;
958
959 hci_add_ltk(hdev, 0, &key->bdaddr, key->pin_len,
960 id->ediv, id->rand, key->val);
961
962 continue;
963 }
964 947
965 hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type, 948 hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type,
966 key->pin_len); 949 key->pin_len);
967 } 950 }
968 951
969 err = cmd_complete(sk, index, MGMT_OP_LOAD_KEYS, NULL, 0);
970
971 hci_dev_unlock_bh(hdev); 952 hci_dev_unlock_bh(hdev);
972 hci_dev_put(hdev); 953 hci_dev_put(hdev);
973 954
974 return err; 955 return 0;
975} 956}
976 957
977static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len) 958static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
@@ -2070,28 +2051,17 @@ int mgmt_connectable(u16 index, u8 connectable)
2070 2051
2071int mgmt_new_key(u16 index, struct link_key *key, u8 persistent) 2052int mgmt_new_key(u16 index, struct link_key *key, u8 persistent)
2072{ 2053{
2073 struct mgmt_ev_new_key *ev; 2054 struct mgmt_ev_new_key ev;
2074 int err, total;
2075
2076 total = sizeof(struct mgmt_ev_new_key) + key->dlen;
2077 ev = kzalloc(total, GFP_ATOMIC);
2078 if (!ev)
2079 return -ENOMEM;
2080
2081 bacpy(&ev->key.bdaddr, &key->bdaddr);
2082 ev->key.type = key->type;
2083 memcpy(ev->key.val, key->val, 16);
2084 ev->key.pin_len = key->pin_len;
2085 ev->key.dlen = key->dlen;
2086 ev->store_hint = persistent;
2087
2088 memcpy(ev->key.data, key->data, key->dlen);
2089 2055
2090 err = mgmt_event(MGMT_EV_NEW_KEY, index, ev, total, NULL); 2056 memset(&ev, 0, sizeof(ev));
2091 2057
2092 kfree(ev); 2058 ev.store_hint = persistent;
2059 bacpy(&ev.key.bdaddr, &key->bdaddr);
2060 ev.key.type = key->type;
2061 memcpy(ev.key.val, key->val, 16);
2062 ev.key.pin_len = key->pin_len;
2093 2063
2094 return err; 2064 return mgmt_event(MGMT_EV_NEW_KEY, index, &ev, sizeof(ev), NULL);
2095} 2065}
2096 2066
2097int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type) 2067int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type)