C++ (Cpp) get_proc_net Examples

Example #1

File: proc_net.c Project: ParrotSec/linux-psec

int single_open_net(struct inode *inode, struct file *file,
		int (*show)(struct seq_file *, void *))
{
	int err;
	struct net *net;

	if (gr_proc_is_restricted())
		return -EACCES;

	err = -ENXIO;
	net = get_proc_net(inode);
	if (net == NULL)
		goto err_net;

	err = single_open(file, show, net);
	if (err < 0)
		goto err_open;

	return 0;

err_open:
	put_net(net);
err_net:
	return err;
}

Example #2

File: proc_net.c Project: ParrotSec/linux-psec

int seq_open_net(struct inode *ino, struct file *f,
		 const struct seq_operations *ops, int size)
{
	struct net *net;
	struct seq_net_private *p;

	BUG_ON(size < sizeof(*p));

	/* only permit access to /proc/net/dev */
	if (
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
	    ops != ipv6_seq_ops_addr && 
#endif
	    ops != &dev_seq_ops && gr_proc_is_restricted())
		return -EACCES;

	net = get_proc_net(ino);
	if (net == NULL)
		return -ENXIO;

	p = __seq_open_private(f, ops, size);
	if (p == NULL) {
		put_net(net);
		return -ENOMEM;
	}
#ifdef CONFIG_NET_NS
	p->net = net;
#endif
	return 0;
}

Example #3

File: proc.c Project: 274914765/C

static int sockstat_seq_open(struct inode *inode, struct file *file)
{
    int err;
    struct net *net;

    err = -ENXIO;
    net = get_proc_net(inode);
    if (net == NULL)
        goto err_net;

    err = single_open(file, sockstat_seq_show, net);
    if (err < 0)
        goto err_open;

    return 0;

err_open:
    put_net(net);
err_net:
    return err;
}

Example #4

File: proc_net.c Project: kzlin129/tt-gpl

int seq_open_net(struct inode *ino, struct file *f,
		 const struct seq_operations *ops, int size)
{
	struct net *net;
	struct seq_net_private *p;

	BUG_ON(size < sizeof(*p));

	net = get_proc_net(ino);
	if (net == NULL)
		return -ENXIO;

	p = __seq_open_private(f, ops, size);
	if (p == NULL) {
		put_net(net);
		return -ENOMEM;
	}
#ifdef CONFIG_NET_NS
	p->net = net;
#endif
	return 0;
}