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ipconfig: Create /proc/net/ipconfig directory

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To allow ipconfig to report IP configuration details to user space
processes without cluttering /proc/net, create a new subdirectory
/proc/net/ipconfig. All files containing IP configuration details should
be written to this directory.

Signed-off-by: Chris Novakovic <chris@chrisn.me.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Chris Novakovic 2018-04-24 03:56:38 +01:00 committed by David S. Miller
parent 300eec7c0a
commit 4d019b3f80
1 changed files with 15 additions and 0 deletions
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15
net/ipv4/ipconfig.c
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@ -158,6 +158,9 @@ static u8 ic_domain[64]; /* DNS (not NIS) domain name */
* Private state.
*/
/* proc_dir_entry for /proc/net/ipconfig */
static struct proc_dir_entry *ipconfig_dir;
/* Name of user-selected boot device */
static char user_dev_name[IFNAMSIZ] __initdata = { 0, };
@ -1301,6 +1304,16 @@ static const struct file_operations pnp_seq_fops = {
.llseek = seq_lseek,
.release = single_release,
};
/* Create the /proc/net/ipconfig directory */
static int ipconfig_proc_net_init(void)
{
ipconfig_dir = proc_net_mkdir(&init_net, "ipconfig", init_net.proc_net);
if (!ipconfig_dir)
return -ENOMEM;
return 0;
}
#endif /* CONFIG_PROC_FS */
/*
@ -1384,6 +1397,8 @@ static int __init ip_auto_config(void)
#ifdef CONFIG_PROC_FS
proc_create("pnp", 0444, init_net.proc_net, &pnp_seq_fops);
ipconfig_proc_net_init();
#endif /* CONFIG_PROC_FS */
if (!ic_enable)