mirror of https://gitee.com/openkylin/linux.git
[NETFILTER]: ip{,6}_queue: convert to seq_file interface
I plan to kill ->get_info which means killing proc_net_create(). Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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dbeeb816e8
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@ -22,6 +22,7 @@
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#include <linux/spinlock.h>
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#include <linux/sysctl.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/security.h>
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#include <linux/mutex.h>
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#include <net/net_namespace.h>
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@ -607,15 +608,11 @@ static ctl_table ipq_root_table[] = {
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{ .ctl_name = 0 }
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};
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#ifdef CONFIG_PROC_FS
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static int
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ipq_get_info(char *buffer, char **start, off_t offset, int length)
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static int ip_queue_show(struct seq_file *m, void *v)
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{
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int len;
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read_lock_bh(&queue_lock);
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len = sprintf(buffer,
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seq_printf(m,
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"Peer PID : %d\n"
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"Copy mode : %hu\n"
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"Copy range : %u\n"
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@ -632,16 +629,21 @@ ipq_get_info(char *buffer, char **start, off_t offset, int length)
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queue_user_dropped);
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read_unlock_bh(&queue_lock);
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*start = buffer + offset;
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len -= offset;
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if (len > length)
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len = length;
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else if (len < 0)
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len = 0;
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return len;
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return 0;
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}
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#endif /* CONFIG_PROC_FS */
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static int ip_queue_open(struct inode *inode, struct file *file)
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{
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return single_open(file, ip_queue_show, NULL);
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}
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static const struct file_operations ip_queue_proc_fops = {
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.open = ip_queue_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.owner = THIS_MODULE,
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};
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static struct nf_queue_handler nfqh = {
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.name = "ip_queue",
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@ -661,10 +663,11 @@ static int __init ip_queue_init(void)
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goto cleanup_netlink_notifier;
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}
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proc = proc_net_create(&init_net, IPQ_PROC_FS_NAME, 0, ipq_get_info);
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if (proc)
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proc = create_proc_entry(IPQ_PROC_FS_NAME, 0, init_net.proc_net);
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if (proc) {
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proc->owner = THIS_MODULE;
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else {
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proc->proc_fops = &ip_queue_proc_fops;
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} else {
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printk(KERN_ERR "ip_queue: failed to create proc entry\n");
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goto cleanup_ipqnl;
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}
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@ -23,6 +23,7 @@
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#include <linux/spinlock.h>
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#include <linux/sysctl.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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#include <linux/mutex.h>
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#include <net/net_namespace.h>
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#include <net/sock.h>
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@ -596,15 +597,11 @@ static ctl_table ipq_root_table[] = {
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{ .ctl_name = 0 }
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};
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#ifdef CONFIG_PROC_FS
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static int
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ipq_get_info(char *buffer, char **start, off_t offset, int length)
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static int ip6_queue_show(struct seq_file *m, void *v)
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{
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int len;
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read_lock_bh(&queue_lock);
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len = sprintf(buffer,
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seq_printf(m,
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"Peer PID : %d\n"
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"Copy mode : %hu\n"
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"Copy range : %u\n"
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@ -621,16 +618,21 @@ ipq_get_info(char *buffer, char **start, off_t offset, int length)
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queue_user_dropped);
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read_unlock_bh(&queue_lock);
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*start = buffer + offset;
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len -= offset;
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if (len > length)
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len = length;
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else if (len < 0)
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len = 0;
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return len;
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return 0;
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}
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#endif /* CONFIG_PROC_FS */
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static int ip6_queue_open(struct inode *inode, struct file *file)
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{
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return single_open(file, ip6_queue_show, NULL);
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}
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static const struct file_operations ip6_queue_proc_fops = {
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.open = ip6_queue_open,
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.read = seq_read,
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.llseek = seq_lseek,
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.release = single_release,
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.owner = THIS_MODULE,
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};
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static struct nf_queue_handler nfqh = {
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.name = "ip6_queue",
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@ -650,10 +652,11 @@ static int __init ip6_queue_init(void)
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goto cleanup_netlink_notifier;
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}
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proc = proc_net_create(&init_net, IPQ_PROC_FS_NAME, 0, ipq_get_info);
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if (proc)
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proc = create_proc_entry(IPQ_PROC_FS_NAME, 0, init_net.proc_net);
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if (proc) {
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proc->owner = THIS_MODULE;
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else {
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proc->proc_fops = &ip6_queue_proc_fops;
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} else {
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printk(KERN_ERR "ip6_queue: failed to create proc entry\n");
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goto cleanup_ipqnl;
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}
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