AuxXxilium/linux_dsm_epyc7002
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

Browse Source 
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
  ipv6: Fix OOPS in ip6_dst_lookup_tail().
  ipsec: Restore larval states and socket policies in dump
  [Bluetooth] Reject L2CAP connections on an insecure ACL link
  [Bluetooth] Enforce correct authentication requirements
  [Bluetooth] Fix reference counting during ACL config stage
This commit is contained in:
Linus Torvalds 2008-09-09 16:25:58 -07:00
commit 91cd99f677
9 changed files with 86 additions and 48 deletions
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3
include/net/bluetooth/hci_core.h
View File

@ -325,7 +325,8 @@ int hci_conn_del(struct hci_conn *conn);
void hci_conn_hash_flush(struct hci_dev *hdev);
void hci_conn_check_pending(struct hci_dev *hdev);
struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *src);
struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 auth_type);
int hci_conn_check_link_mode(struct hci_conn *conn);
int hci_conn_auth(struct hci_conn *conn);
int hci_conn_encrypt(struct hci_conn *conn);
int hci_conn_change_link_key(struct hci_conn *conn);

2
net/bluetooth/af_bluetooth.c
View File

@ -49,7 +49,7 @@
#define BT_DBG(D...)
#endif
#define VERSION "2.12"
#define VERSION "2.13"
/* Bluetooth sockets */
#define BT_MAX_PROTO 8

21
net/bluetooth/hci_conn.c
View File

@ -330,7 +330,7 @@ EXPORT_SYMBOL(hci_get_route);
/* Create SCO or ACL connection.
* Device _must_ be locked */
struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst)
struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 auth_type)
{
struct hci_conn *acl;
struct hci_conn *sco;
@ -344,8 +344,10 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst)
hci_conn_hold(acl);
if (acl->state == BT_OPEN || acl->state == BT_CLOSED)
if (acl->state == BT_OPEN || acl->state == BT_CLOSED) {
acl->auth_type = auth_type;
hci_acl_connect(acl);
}
if (type == ACL_LINK)
return acl;
@ -374,6 +376,19 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst)
}
EXPORT_SYMBOL(hci_connect);
/* Check link security requirement */
int hci_conn_check_link_mode(struct hci_conn *conn)
{
BT_DBG("conn %p", conn);
if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0 &&
!(conn->link_mode & HCI_LM_ENCRYPT))
return 0;
return 1;
}
EXPORT_SYMBOL(hci_conn_check_link_mode);
/* Authenticate remote device */
int hci_conn_auth(struct hci_conn *conn)
{
@ -381,7 +396,7 @@ int hci_conn_auth(struct hci_conn *conn)
if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0) {
if (!(conn->auth_type & 0x01)) {
conn->auth_type = HCI_AT_GENERAL_BONDING_MITM;
conn->auth_type |= 0x01;
conn->link_mode &= ~HCI_LM_AUTH;
}
}

11
net/bluetooth/hci_event.c
View File

@ -1605,14 +1605,11 @@ static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_b
if (conn->state == BT_CONFIG) {
if (!ev->status && hdev->ssp_mode > 0 &&
conn->ssp_mode > 0) {
if (conn->out) {
struct hci_cp_auth_requested cp;
cp.handle = ev->handle;
hci_send_cmd(hdev,
HCI_OP_AUTH_REQUESTED,
conn->ssp_mode > 0 && conn->out) {
struct hci_cp_auth_requested cp;
cp.handle = ev->handle;
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
sizeof(cp), &cp);
}
} else {
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);

34
net/bluetooth/l2cap.c
View File

@ -55,7 +55,7 @@
#define BT_DBG(D...)
#endif
#define VERSION "2.10"
#define VERSION "2.11"
static u32 l2cap_feat_mask = 0x0000;
@ -778,6 +778,7 @@ static int l2cap_do_connect(struct sock *sk)
struct l2cap_conn *conn;
struct hci_conn *hcon;
struct hci_dev *hdev;
__u8 auth_type;
int err = 0;
BT_DBG("%s -> %s psm 0x%2.2x", batostr(src), batostr(dst), l2cap_pi(sk)->psm);
@ -789,7 +790,21 @@ static int l2cap_do_connect(struct sock *sk)
err = -ENOMEM;
hcon = hci_connect(hdev, ACL_LINK, dst);
if (l2cap_pi(sk)->link_mode & L2CAP_LM_AUTH ||
l2cap_pi(sk)->link_mode & L2CAP_LM_ENCRYPT ||
l2cap_pi(sk)->link_mode & L2CAP_LM_SECURE) {
if (l2cap_pi(sk)->psm == cpu_to_le16(0x0001))
auth_type = HCI_AT_NO_BONDING_MITM;
else
auth_type = HCI_AT_GENERAL_BONDING_MITM;
} else {
if (l2cap_pi(sk)->psm == cpu_to_le16(0x0001))
auth_type = HCI_AT_NO_BONDING;
else
auth_type = HCI_AT_GENERAL_BONDING;
}
hcon = hci_connect(hdev, ACL_LINK, dst, auth_type);
if (!hcon)
goto done;
@ -1553,10 +1568,10 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
struct l2cap_conn_req *req = (struct l2cap_conn_req *) data;
struct l2cap_conn_rsp rsp;
struct sock *sk, *parent;
int result, status = 0;
int result, status = L2CAP_CS_NO_INFO;
u16 dcid = 0, scid = __le16_to_cpu(req->scid);
__le16 psm = req->psm;
__le16 psm = req->psm;
BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
@ -1567,6 +1582,13 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
goto sendresp;
}
/* Check if the ACL is secure enough (if not SDP) */
if (psm != cpu_to_le16(0x0001) &&
!hci_conn_check_link_mode(conn->hcon)) {
result = L2CAP_CR_SEC_BLOCK;
goto response;
}
result = L2CAP_CR_NO_MEM;
/* Check for backlog size */
@ -2224,7 +2246,7 @@ static int l2cap_auth_cfm(struct hci_conn *hcon, u8 status)
rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
rsp.result = cpu_to_le16(result);
rsp.status = cpu_to_le16(0);
rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
L2CAP_CONN_RSP, sizeof(rsp), &rsp);
}
@ -2296,7 +2318,7 @@ static int l2cap_encrypt_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
rsp.result = cpu_to_le16(result);
rsp.status = cpu_to_le16(0);
rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
l2cap_send_cmd(conn, l2cap_pi(sk)->ident,
L2CAP_CONN_RSP, sizeof(rsp), &rsp);
}

2
net/bluetooth/sco.c
View File

@ -200,7 +200,7 @@ static int sco_connect(struct sock *sk)
else
type = SCO_LINK;
hcon = hci_connect(hdev, type, dst);
hcon = hci_connect(hdev, type, dst, HCI_AT_NO_BONDING);
if (!hcon)
goto done;

58
net/ipv6/ip6_output.c
View File

@ -943,39 +943,39 @@ static int ip6_dst_lookup_tail(struct sock *sk,
}
#ifdef CONFIG_IPV6_OPTIMISTIC_DAD
/*
* Here if the dst entry we've looked up
* has a neighbour entry that is in the INCOMPLETE
* state and the src address from the flow is
* marked as OPTIMISTIC, we release the found
* dst entry and replace it instead with the
* dst entry of the nexthop router
*/
if (!((*dst)->neighbour->nud_state & NUD_VALID)) {
struct inet6_ifaddr *ifp;
struct flowi fl_gw;
int redirect;
/*
* Here if the dst entry we've looked up
* has a neighbour entry that is in the INCOMPLETE
* state and the src address from the flow is
* marked as OPTIMISTIC, we release the found
* dst entry and replace it instead with the
* dst entry of the nexthop router
*/
if ((*dst)->neighbour && !((*dst)->neighbour->nud_state & NUD_VALID)) {
struct inet6_ifaddr *ifp;
struct flowi fl_gw;
int redirect;
ifp = ipv6_get_ifaddr(net, &fl->fl6_src,
(*dst)->dev, 1);
ifp = ipv6_get_ifaddr(net, &fl->fl6_src,
(*dst)->dev, 1);
redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC);
if (ifp)
in6_ifa_put(ifp);
redirect = (ifp && ifp->flags & IFA_F_OPTIMISTIC);
if (ifp)
in6_ifa_put(ifp);
if (redirect) {
/*
* We need to get the dst entry for the
* default router instead
*/
dst_release(*dst);
memcpy(&fl_gw, fl, sizeof(struct flowi));
memset(&fl_gw.fl6_dst, 0, sizeof(struct in6_addr));
*dst = ip6_route_output(net, sk, &fl_gw);
if ((err = (*dst)->error))
goto out_err_release;
}
if (redirect) {
/*
* We need to get the dst entry for the
* default router instead
*/
dst_release(*dst);
memcpy(&fl_gw, fl, sizeof(struct flowi));
memset(&fl_gw.fl6_dst, 0, sizeof(struct in6_addr));
*dst = ip6_route_output(net, sk, &fl_gw);
if ((err = (*dst)->error))
goto out_err_release;
}
}
#endif
return 0;

1
net/xfrm/xfrm_policy.c
View File

@ -1077,6 +1077,7 @@ static void __xfrm_policy_link(struct xfrm_policy *pol, int dir)
struct hlist_head *chain = policy_hash_bysel(&pol->selector,
pol->family, dir);
list_add_tail(&pol->bytype, &xfrm_policy_bytype[pol->type]);
hlist_add_head(&pol->bydst, chain);
hlist_add_head(&pol->byidx, xfrm_policy_byidx+idx_hash(pol->index));
xfrm_policy_count[dir]++;

2
net/xfrm/xfrm_state.c
View File

@ -858,6 +858,7 @@ xfrm_state_find(xfrm_address_t *daddr, xfrm_address_t *saddr,
if (km_query(x, tmpl, pol) == 0) {
x->km.state = XFRM_STATE_ACQ;
list_add_tail(&x->all, &xfrm_state_all);
hlist_add_head(&x->bydst, xfrm_state_bydst+h);
h = xfrm_src_hash(daddr, saddr, family);
hlist_add_head(&x->bysrc, xfrm_state_bysrc+h);
@ -1055,6 +1056,7 @@ static struct xfrm_state *__find_acq_core(unsigned short family, u8 mode, u32 re
xfrm_state_hold(x);
x->timer.expires = jiffies + sysctl_xfrm_acq_expires*HZ;
add_timer(&x->timer);
list_add_tail(&x->all, &xfrm_state_all);
hlist_add_head(&x->bydst, xfrm_state_bydst+h);
h = xfrm_src_hash(daddr, saddr, family);
hlist_add_head(&x->bysrc, xfrm_state_bysrc+h);