![Eric W. Biederman](/assets/img/avatar_default.png)
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: James Morris <jmorris@namei.org> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Cc: Patrick McHardy <kaber@trash.net> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Sridhar Samudrala <sri@us.ibm.com> Acked-by: Vlad Yasevich <vyasevich@gmail.com> Acked-by: David S. Miller <davem@davemloft.net> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
342 lines
8.1 KiB
C
342 lines
8.1 KiB
C
/*
|
|
* IPX proc routines
|
|
*
|
|
* Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#ifdef CONFIG_PROC_FS
|
|
#include <linux/proc_fs.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/seq_file.h>
|
|
#include <linux/export.h>
|
|
#include <net/net_namespace.h>
|
|
#include <net/tcp_states.h>
|
|
#include <net/ipx.h>
|
|
|
|
static void *ipx_seq_interface_start(struct seq_file *seq, loff_t *pos)
|
|
{
|
|
spin_lock_bh(&ipx_interfaces_lock);
|
|
return seq_list_start_head(&ipx_interfaces, *pos);
|
|
}
|
|
|
|
static void *ipx_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
|
|
{
|
|
return seq_list_next(v, &ipx_interfaces, pos);
|
|
}
|
|
|
|
static void ipx_seq_interface_stop(struct seq_file *seq, void *v)
|
|
{
|
|
spin_unlock_bh(&ipx_interfaces_lock);
|
|
}
|
|
|
|
static int ipx_seq_interface_show(struct seq_file *seq, void *v)
|
|
{
|
|
struct ipx_interface *i;
|
|
|
|
if (v == &ipx_interfaces) {
|
|
seq_puts(seq, "Network Node_Address Primary Device "
|
|
"Frame_Type");
|
|
#ifdef IPX_REFCNT_DEBUG
|
|
seq_puts(seq, " refcnt");
|
|
#endif
|
|
seq_puts(seq, "\n");
|
|
goto out;
|
|
}
|
|
|
|
i = list_entry(v, struct ipx_interface, node);
|
|
seq_printf(seq, "%08lX ", (unsigned long int)ntohl(i->if_netnum));
|
|
seq_printf(seq, "%02X%02X%02X%02X%02X%02X ",
|
|
i->if_node[0], i->if_node[1], i->if_node[2],
|
|
i->if_node[3], i->if_node[4], i->if_node[5]);
|
|
seq_printf(seq, "%-9s", i == ipx_primary_net ? "Yes" : "No");
|
|
seq_printf(seq, "%-11s", ipx_device_name(i));
|
|
seq_printf(seq, "%-9s", ipx_frame_name(i->if_dlink_type));
|
|
#ifdef IPX_REFCNT_DEBUG
|
|
seq_printf(seq, "%6d", atomic_read(&i->refcnt));
|
|
#endif
|
|
seq_puts(seq, "\n");
|
|
out:
|
|
return 0;
|
|
}
|
|
|
|
static void *ipx_seq_route_start(struct seq_file *seq, loff_t *pos)
|
|
{
|
|
read_lock_bh(&ipx_routes_lock);
|
|
return seq_list_start_head(&ipx_routes, *pos);
|
|
}
|
|
|
|
static void *ipx_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
|
|
{
|
|
return seq_list_next(v, &ipx_routes, pos);
|
|
}
|
|
|
|
static void ipx_seq_route_stop(struct seq_file *seq, void *v)
|
|
{
|
|
read_unlock_bh(&ipx_routes_lock);
|
|
}
|
|
|
|
static int ipx_seq_route_show(struct seq_file *seq, void *v)
|
|
{
|
|
struct ipx_route *rt;
|
|
|
|
if (v == &ipx_routes) {
|
|
seq_puts(seq, "Network Router_Net Router_Node\n");
|
|
goto out;
|
|
}
|
|
|
|
rt = list_entry(v, struct ipx_route, node);
|
|
|
|
seq_printf(seq, "%08lX ", (unsigned long int)ntohl(rt->ir_net));
|
|
if (rt->ir_routed)
|
|
seq_printf(seq, "%08lX %02X%02X%02X%02X%02X%02X\n",
|
|
(long unsigned int)ntohl(rt->ir_intrfc->if_netnum),
|
|
rt->ir_router_node[0], rt->ir_router_node[1],
|
|
rt->ir_router_node[2], rt->ir_router_node[3],
|
|
rt->ir_router_node[4], rt->ir_router_node[5]);
|
|
else
|
|
seq_puts(seq, "Directly Connected\n");
|
|
out:
|
|
return 0;
|
|
}
|
|
|
|
static __inline__ struct sock *ipx_get_socket_idx(loff_t pos)
|
|
{
|
|
struct sock *s = NULL;
|
|
struct hlist_node *node;
|
|
struct ipx_interface *i;
|
|
|
|
list_for_each_entry(i, &ipx_interfaces, node) {
|
|
spin_lock_bh(&i->if_sklist_lock);
|
|
sk_for_each(s, node, &i->if_sklist) {
|
|
if (!pos)
|
|
break;
|
|
--pos;
|
|
}
|
|
spin_unlock_bh(&i->if_sklist_lock);
|
|
if (!pos) {
|
|
if (node)
|
|
goto found;
|
|
break;
|
|
}
|
|
}
|
|
s = NULL;
|
|
found:
|
|
return s;
|
|
}
|
|
|
|
static void *ipx_seq_socket_start(struct seq_file *seq, loff_t *pos)
|
|
{
|
|
loff_t l = *pos;
|
|
|
|
spin_lock_bh(&ipx_interfaces_lock);
|
|
return l ? ipx_get_socket_idx(--l) : SEQ_START_TOKEN;
|
|
}
|
|
|
|
static void *ipx_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
|
|
{
|
|
struct sock* sk, *next;
|
|
struct ipx_interface *i;
|
|
struct ipx_sock *ipxs;
|
|
|
|
++*pos;
|
|
if (v == SEQ_START_TOKEN) {
|
|
sk = NULL;
|
|
i = ipx_interfaces_head();
|
|
if (!i)
|
|
goto out;
|
|
sk = sk_head(&i->if_sklist);
|
|
if (sk)
|
|
spin_lock_bh(&i->if_sklist_lock);
|
|
goto out;
|
|
}
|
|
sk = v;
|
|
next = sk_next(sk);
|
|
if (next) {
|
|
sk = next;
|
|
goto out;
|
|
}
|
|
ipxs = ipx_sk(sk);
|
|
i = ipxs->intrfc;
|
|
spin_unlock_bh(&i->if_sklist_lock);
|
|
sk = NULL;
|
|
for (;;) {
|
|
if (i->node.next == &ipx_interfaces)
|
|
break;
|
|
i = list_entry(i->node.next, struct ipx_interface, node);
|
|
spin_lock_bh(&i->if_sklist_lock);
|
|
if (!hlist_empty(&i->if_sklist)) {
|
|
sk = sk_head(&i->if_sklist);
|
|
break;
|
|
}
|
|
spin_unlock_bh(&i->if_sklist_lock);
|
|
}
|
|
out:
|
|
return sk;
|
|
}
|
|
|
|
static int ipx_seq_socket_show(struct seq_file *seq, void *v)
|
|
{
|
|
struct sock *s;
|
|
struct ipx_sock *ipxs;
|
|
|
|
if (v == SEQ_START_TOKEN) {
|
|
#ifdef CONFIG_IPX_INTERN
|
|
seq_puts(seq, "Local_Address "
|
|
"Remote_Address Tx_Queue "
|
|
"Rx_Queue State Uid\n");
|
|
#else
|
|
seq_puts(seq, "Local_Address Remote_Address "
|
|
"Tx_Queue Rx_Queue State Uid\n");
|
|
#endif
|
|
goto out;
|
|
}
|
|
|
|
s = v;
|
|
ipxs = ipx_sk(s);
|
|
#ifdef CONFIG_IPX_INTERN
|
|
seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
|
|
(unsigned long)ntohl(ipxs->intrfc->if_netnum),
|
|
ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3],
|
|
ipxs->node[4], ipxs->node[5], ntohs(ipxs->port));
|
|
#else
|
|
seq_printf(seq, "%08lX:%04X ", (unsigned long) ntohl(ipxs->intrfc->if_netnum),
|
|
ntohs(ipxs->port));
|
|
#endif /* CONFIG_IPX_INTERN */
|
|
if (s->sk_state != TCP_ESTABLISHED)
|
|
seq_printf(seq, "%-28s", "Not_Connected");
|
|
else {
|
|
seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
|
|
(unsigned long)ntohl(ipxs->dest_addr.net),
|
|
ipxs->dest_addr.node[0], ipxs->dest_addr.node[1],
|
|
ipxs->dest_addr.node[2], ipxs->dest_addr.node[3],
|
|
ipxs->dest_addr.node[4], ipxs->dest_addr.node[5],
|
|
ntohs(ipxs->dest_addr.sock));
|
|
}
|
|
|
|
seq_printf(seq, "%08X %08X %02X %03d\n",
|
|
sk_wmem_alloc_get(s),
|
|
sk_rmem_alloc_get(s),
|
|
s->sk_state,
|
|
from_kuid_munged(seq_user_ns(seq), sock_i_uid(s)));
|
|
out:
|
|
return 0;
|
|
}
|
|
|
|
static const struct seq_operations ipx_seq_interface_ops = {
|
|
.start = ipx_seq_interface_start,
|
|
.next = ipx_seq_interface_next,
|
|
.stop = ipx_seq_interface_stop,
|
|
.show = ipx_seq_interface_show,
|
|
};
|
|
|
|
static const struct seq_operations ipx_seq_route_ops = {
|
|
.start = ipx_seq_route_start,
|
|
.next = ipx_seq_route_next,
|
|
.stop = ipx_seq_route_stop,
|
|
.show = ipx_seq_route_show,
|
|
};
|
|
|
|
static const struct seq_operations ipx_seq_socket_ops = {
|
|
.start = ipx_seq_socket_start,
|
|
.next = ipx_seq_socket_next,
|
|
.stop = ipx_seq_interface_stop,
|
|
.show = ipx_seq_socket_show,
|
|
};
|
|
|
|
static int ipx_seq_route_open(struct inode *inode, struct file *file)
|
|
{
|
|
return seq_open(file, &ipx_seq_route_ops);
|
|
}
|
|
|
|
static int ipx_seq_interface_open(struct inode *inode, struct file *file)
|
|
{
|
|
return seq_open(file, &ipx_seq_interface_ops);
|
|
}
|
|
|
|
static int ipx_seq_socket_open(struct inode *inode, struct file *file)
|
|
{
|
|
return seq_open(file, &ipx_seq_socket_ops);
|
|
}
|
|
|
|
static const struct file_operations ipx_seq_interface_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = ipx_seq_interface_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = seq_release,
|
|
};
|
|
|
|
static const struct file_operations ipx_seq_route_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = ipx_seq_route_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = seq_release,
|
|
};
|
|
|
|
static const struct file_operations ipx_seq_socket_fops = {
|
|
.owner = THIS_MODULE,
|
|
.open = ipx_seq_socket_open,
|
|
.read = seq_read,
|
|
.llseek = seq_lseek,
|
|
.release = seq_release,
|
|
};
|
|
|
|
static struct proc_dir_entry *ipx_proc_dir;
|
|
|
|
int __init ipx_proc_init(void)
|
|
{
|
|
struct proc_dir_entry *p;
|
|
int rc = -ENOMEM;
|
|
|
|
ipx_proc_dir = proc_mkdir("ipx", init_net.proc_net);
|
|
|
|
if (!ipx_proc_dir)
|
|
goto out;
|
|
p = proc_create("interface", S_IRUGO,
|
|
ipx_proc_dir, &ipx_seq_interface_fops);
|
|
if (!p)
|
|
goto out_interface;
|
|
|
|
p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops);
|
|
if (!p)
|
|
goto out_route;
|
|
|
|
p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops);
|
|
if (!p)
|
|
goto out_socket;
|
|
|
|
rc = 0;
|
|
out:
|
|
return rc;
|
|
out_socket:
|
|
remove_proc_entry("route", ipx_proc_dir);
|
|
out_route:
|
|
remove_proc_entry("interface", ipx_proc_dir);
|
|
out_interface:
|
|
remove_proc_entry("ipx", init_net.proc_net);
|
|
goto out;
|
|
}
|
|
|
|
void __exit ipx_proc_exit(void)
|
|
{
|
|
remove_proc_entry("interface", ipx_proc_dir);
|
|
remove_proc_entry("route", ipx_proc_dir);
|
|
remove_proc_entry("socket", ipx_proc_dir);
|
|
remove_proc_entry("ipx", init_net.proc_net);
|
|
}
|
|
|
|
#else /* CONFIG_PROC_FS */
|
|
|
|
int __init ipx_proc_init(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void __exit ipx_proc_exit(void)
|
|
{
|
|
}
|
|
|
|
#endif /* CONFIG_PROC_FS */
|