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net: pass kern to net_proto_family create function

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The generic __sock_create function has a kern argument which allows the
security system to make decisions based on if a socket is being created by
the kernel or by userspace.  This patch passes that flag to the
net_proto_family specific create function, so it can do the same thing.

Signed-off-by: Eric Paris <eparis@redhat.com>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Paris 2009-11-05 22:18:14 -08:00 committed by David S. Miller
parent 13f18aa05f
commit 3f378b6844
37 changed files with 80 additions and 43 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
drivers/isdn/mISDN/socket.c
View file

@ -779,7 +779,7 @@ base_sock_create(struct net *net, struct socket *sock, int protocol)
}
static int
mISDN_sock_create(struct net *net, struct socket *sock, int proto)
mISDN_sock_create(struct net *net, struct socket *sock, int proto, int kern)
{
int err = -EPROTONOSUPPORT;

3
drivers/net/pppox.c
View file

@ -104,7 +104,8 @@ int pppox_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
EXPORT_SYMBOL(pppox_ioctl);
static int pppox_create(struct net *net, struct socket *sock, int protocol)
static int pppox_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
int rc = -EPROTOTYPE;

3
include/linux/net.h
View file

@ -204,7 +204,8 @@ struct proto_ops {
struct net_proto_family {
int family;
int (*create)(struct net *net, struct socket *sock, int protocol);
int (*create)(struct net *net, struct socket *sock,
int protocol, int kern);
struct module *owner;
};

3
net/appletalk/ddp.c
View file

@ -1021,7 +1021,8 @@ static struct proto ddp_proto = {
* Create a socket. Initialise the socket, blank the addresses
* set the state.
*/
static int atalk_create(struct net *net, struct socket *sock, int protocol)
static int atalk_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
int rc = -ESOCKTNOSUPPORT;

3
net/atm/pvc.c
View file

@ -127,7 +127,8 @@ static const struct proto_ops pvc_proto_ops = {
};
static int pvc_create(struct net *net, struct socket *sock,int protocol)
static int pvc_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
if (net != &init_net)
return -EAFNOSUPPORT;

7
net/atm/svc.c
View file

@ -25,7 +25,7 @@
#include "signaling.h"
#include "addr.h"
static int svc_create(struct net *net, struct socket *sock,int protocol);
static int svc_create(struct net *net, struct socket *sock, int protocol, int kern);
/*
* Note: since all this is still nicely synchronized with the signaling demon,
@ -330,7 +330,7 @@ static int svc_accept(struct socket *sock,struct socket *newsock,int flags)
lock_sock(sk);
error = svc_create(sock_net(sk), newsock,0);
error = svc_create(sock_net(sk), newsock, 0, 0);
if (error)
goto out;
@ -650,7 +650,8 @@ static const struct proto_ops svc_proto_ops = {
};
static int svc_create(struct net *net, struct socket *sock,int protocol)
static int svc_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
int error;

3
net/ax25/af_ax25.c
View file

@ -799,7 +799,8 @@ static struct proto ax25_proto = {
.obj_size = sizeof(struct sock),
};
static int ax25_create(struct net *net, struct socket *sock, int protocol)
static int ax25_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
ax25_cb *ax25;

5
net/bluetooth/af_bluetooth.c
View file

@ -126,7 +126,8 @@ int bt_sock_unregister(int proto)
}
EXPORT_SYMBOL(bt_sock_unregister);
static int bt_sock_create(struct net *net, struct socket *sock, int proto)
static int bt_sock_create(struct net *net, struct socket *sock, int proto,
int kern)
{
int err;
@ -144,7 +145,7 @@ static int bt_sock_create(struct net *net, struct socket *sock, int proto)
read_lock(&bt_proto_lock);
if (bt_proto[proto] && try_module_get(bt_proto[proto]->owner)) {
err = bt_proto[proto]->create(net, sock, proto);
err = bt_proto[proto]->create(net, sock, proto, kern);
bt_sock_reclassify_lock(sock, proto);
module_put(bt_proto[proto]->owner);
}

3
net/bluetooth/bnep/sock.c
View file

@ -195,7 +195,8 @@ static struct proto bnep_proto = {
.obj_size = sizeof(struct bt_sock)
};
static int bnep_sock_create(struct net *net, struct socket *sock, int protocol)
static int bnep_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/bluetooth/cmtp/sock.c
View file

@ -190,7 +190,8 @@ static struct proto cmtp_proto = {
.obj_size = sizeof(struct bt_sock)
};
static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol)
static int cmtp_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/bluetooth/hci_sock.c
View file

@ -621,7 +621,8 @@ static struct proto hci_sk_proto = {
.obj_size = sizeof(struct hci_pinfo)
};
static int hci_sock_create(struct net *net, struct socket *sock, int protocol)
static int hci_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/bluetooth/hidp/sock.c
View file

@ -241,7 +241,8 @@ static struct proto hidp_proto = {
.obj_size = sizeof(struct bt_sock)
};
static int hidp_sock_create(struct net *net, struct socket *sock, int protocol)
static int hidp_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/bluetooth/l2cap.c
View file

@ -819,7 +819,8 @@ static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int p
return sk;
}
static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol)
static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/bluetooth/rfcomm/sock.c
View file

@ -323,7 +323,8 @@ static struct sock *rfcomm_sock_alloc(struct net *net, struct socket *sock, int
return sk;
}
static int rfcomm_sock_create(struct net *net, struct socket *sock, int protocol)
static int rfcomm_sock_create(struct net *net, struct socket *sock,
int protocol, int kern)
{
struct sock *sk;

3
net/bluetooth/sco.c
View file

@ -430,7 +430,8 @@ static struct sock *sco_sock_alloc(struct net *net, struct socket *sock, int pro
return sk;
}
static int sco_sock_create(struct net *net, struct socket *sock, int protocol)
static int sco_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/can/af_can.c
View file

@ -114,7 +114,8 @@ static void can_sock_destruct(struct sock *sk)
skb_queue_purge(&sk->sk_receive_queue);
}
static int can_create(struct net *net, struct socket *sock, int protocol)
static int can_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct can_proto *cp;

3
net/decnet/af_decnet.c
View file

@ -675,7 +675,8 @@ char *dn_addr2asc(__u16 addr, char *buf)
static int dn_create(struct net *net, struct socket *sock, int protocol)
static int dn_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/econet/af_econet.c
View file

@ -605,7 +605,8 @@ static struct proto econet_proto = {
* Create an Econet socket
*/
static int econet_create(struct net *net, struct socket *sock, int protocol)
static int econet_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct econet_sock *eo;

2
net/ieee802154/af_ieee802154.c
View file

@ -234,7 +234,7 @@ static const struct proto_ops ieee802154_dgram_ops = {
* set the state.
*/
static int ieee802154_create(struct net *net, struct socket *sock,
int protocol)
int protocol, int kern)
{
struct sock *sk;
int rc;

3
net/ipv4/af_inet.c
View file

@ -262,7 +262,8 @@ static inline int inet_netns_ok(struct net *net, int protocol)
* Create an inet socket.
*/
static int inet_create(struct net *net, struct socket *sock, int protocol)
static int inet_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct inet_protosw *answer;

3
net/ipv6/af_inet6.c
View file

@ -95,7 +95,8 @@ static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk)
return (struct ipv6_pinfo *)(((u8 *)sk) + offset);
}
static int inet6_create(struct net *net, struct socket *sock, int protocol)
static int inet6_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct inet_sock *inet;
struct ipv6_pinfo *np;

3
net/ipx/af_ipx.c
View file

@ -1352,7 +1352,8 @@ static struct proto ipx_proto = {
.obj_size = sizeof(struct ipx_sock),
};
static int ipx_create(struct net *net, struct socket *sock, int protocol)
static int ipx_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
int rc = -ESOCKTNOSUPPORT;
struct sock *sk;

7
net/irda/af_irda.c
View file

@ -61,7 +61,7 @@
#include <net/irda/af_irda.h>
static int irda_create(struct net *net, struct socket *sock, int protocol);
static int irda_create(struct net *net, struct socket *sock, int protocol, int kern);
static const struct proto_ops irda_stream_ops;
static const struct proto_ops irda_seqpacket_ops;
@ -839,7 +839,7 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags)
IRDA_DEBUG(2, "%s()\n", __func__);
err = irda_create(sock_net(sk), newsock, sk->sk_protocol);
err = irda_create(sock_net(sk), newsock, sk->sk_protocol, 0);
if (err)
return err;
@ -1062,7 +1062,8 @@ static struct proto irda_proto = {
* Create IrDA socket
*
*/
static int irda_create(struct net *net, struct socket *sock, int protocol)
static int irda_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct irda_sock *self;

3
net/iucv/af_iucv.c
View file

@ -481,7 +481,8 @@ static struct sock *iucv_sock_alloc(struct socket *sock, int proto, gfp_t prio)
}
/* Create an IUCV socket */
static int iucv_sock_create(struct net *net, struct socket *sock, int protocol)
static int iucv_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/key/af_key.c
View file

@ -177,7 +177,8 @@ static struct proto key_proto = {
.obj_size = sizeof(struct pfkey_sock),
};
static int pfkey_create(struct net *net, struct socket *sock, int protocol)
static int pfkey_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct netns_pfkey *net_pfkey = net_generic(net, pfkey_net_id);
struct sock *sk;

5
net/llc/af_llc.c
View file

@ -140,14 +140,17 @@ static struct proto llc_proto = {
/**
* llc_ui_create - alloc and init a new llc_ui socket
* @net: network namespace (must be default network)
* @sock: Socket to initialize and attach allocated sk to.
* @protocol: Unused.
* @kern: on behalf of kernel or userspace
*
* Allocate and initialize a new llc_ui socket, validate the user wants a
* socket type we have available.
* Returns 0 upon success, negative upon failure.
*/
static int llc_ui_create(struct net *net, struct socket *sock, int protocol)
static int llc_ui_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
int rc = -ESOCKTNOSUPPORT;

3
net/netlink/af_netlink.c
View file

@ -428,7 +428,8 @@ static int __netlink_create(struct net *net, struct socket *sock,
return 0;
}
static int netlink_create(struct net *net, struct socket *sock, int protocol)
static int netlink_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct module *module = NULL;
struct mutex *cb_mutex;

3
net/netrom/af_netrom.c
View file

@ -425,7 +425,8 @@ static struct proto nr_proto = {
.obj_size = sizeof(struct nr_sock),
};
static int nr_create(struct net *net, struct socket *sock, int protocol)
static int nr_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct nr_sock *nr;

3
net/packet/af_packet.c
View file

@ -1344,7 +1344,8 @@ static struct proto packet_proto = {
* Create a packet of type SOCK_PACKET.
*/
static int packet_create(struct net *net, struct socket *sock, int protocol)
static int packet_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct packet_sock *po;

3
net/phonet/af_phonet.c
View file

@ -60,7 +60,8 @@ static inline void phonet_proto_put(struct phonet_protocol *pp)
/* protocol family functions */
static int pn_socket_create(struct net *net, struct socket *sock, int protocol)
static int pn_socket_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct pn_sock *pn;

3
net/rds/af_rds.c
View file

@ -410,7 +410,8 @@ static int __rds_create(struct socket *sock, struct sock *sk, int protocol)
return 0;
}
static int rds_create(struct net *net, struct socket *sock, int protocol)
static int rds_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;

3
net/rose/af_rose.c
View file

@ -512,7 +512,8 @@ static struct proto rose_proto = {
.obj_size = sizeof(struct rose_sock),
};
static int rose_create(struct net *net, struct socket *sock, int protocol)
static int rose_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct rose_sock *rose;

3
net/rxrpc/af_rxrpc.c
View file

@ -608,7 +608,8 @@ static unsigned int rxrpc_poll(struct file *file, struct socket *sock,
/*
* create an RxRPC socket
*/
static int rxrpc_create(struct net *net, struct socket *sock, int protocol)
static int rxrpc_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct rxrpc_sock *rx;
struct sock *sk;

2
net/socket.c
View file

@ -1252,7 +1252,7 @@ static int __sock_create(struct net *net, int family, int type, int protocol,
/* Now protected by module ref count */
rcu_read_unlock();
err = pf->create(net, sock, protocol);
err = pf->create(net, sock, protocol, kern);
if (err < 0)
goto out_module_put;

6
net/tipc/socket.c
View file

@ -177,6 +177,7 @@ static void reject_rx_queue(struct sock *sk)
* @net: network namespace (must be default network)
* @sock: pre-allocated socket structure
* @protocol: protocol indicator (must be 0)
* @kern: caused by kernel or by userspace?
*
* This routine creates additional data structures used by the TIPC socket,
* initializes them, and links them together.
@ -184,7 +185,8 @@ static void reject_rx_queue(struct sock *sk)
* Returns 0 on success, errno otherwise
*/
static int tipc_create(struct net *net, struct socket *sock, int protocol)
static int tipc_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
const struct proto_ops *ops;
socket_state state;
@ -1528,7 +1530,7 @@ static int accept(struct socket *sock, struct socket *new_sock, int flags)
buf = skb_peek(&sk->sk_receive_queue);
res = tipc_create(sock_net(sock->sk), new_sock, 0);
res = tipc_create(sock_net(sock->sk), new_sock, 0, 0);
if (!res) {
struct sock *new_sk = new_sock->sk;
struct tipc_sock *new_tsock = tipc_sk(new_sk);

3
net/unix/af_unix.c
View file

@ -621,7 +621,8 @@ out:
return sk;
}
static int unix_create(struct net *net, struct socket *sock, int protocol)
static int unix_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
if (protocol && protocol != PF_UNIX)
return -EPROTONOSUPPORT;

3
net/x25/af_x25.c
View file

@ -501,7 +501,8 @@ out:
return sk;
}
static int x25_create(struct net *net, struct socket *sock, int protocol)
static int x25_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct x25_sock *x25;