MODULE_DESCRIPTION("ftp connection tracking helper");
/* This is slow, but it's simple. --RR */
-static char ftp_buffer[65536];
-
+static char *ftp_buffer;
static DEFINE_SPINLOCK(ip_ftp_lock);
#define MAX_PORTS 8
}
/* We don't update if it's older than what we have. */
-static void update_nl_seq(u32 nl_seq, struct ip_ct_ftp_master *info, int dir)
+static void update_nl_seq(u32 nl_seq, struct ip_ct_ftp_master *info, int dir,
+ struct sk_buff *skb)
{
unsigned int i, oldest = NUM_SEQ_TO_REMEMBER;
oldest = i;
}
- if (info->seq_aft_nl_num[dir] < NUM_SEQ_TO_REMEMBER)
+ if (info->seq_aft_nl_num[dir] < NUM_SEQ_TO_REMEMBER) {
info->seq_aft_nl[dir][info->seq_aft_nl_num[dir]++] = nl_seq;
- else if (oldest != NUM_SEQ_TO_REMEMBER)
+ ip_conntrack_event_cache(IPCT_HELPINFO_VOLATILE, skb);
+ } else if (oldest != NUM_SEQ_TO_REMEMBER) {
info->seq_aft_nl[dir][oldest] = nl_seq;
+ ip_conntrack_event_cache(IPCT_HELPINFO_VOLATILE, skb);
+ }
}
static int help(struct sk_buff **pskb,
{ 0xFFFFFFFF, { .tcp = { 0xFFFF } }, 0xFF }});
exp->expectfn = NULL;
+ exp->flags = 0;
/* Now, NAT might want to mangle the packet, and register the
* (possibly changed) expectation itself. */
/* Now if this ends in \n, update ftp info. Seq may have been
* adjusted by NAT code. */
if (ends_in_nl)
- update_nl_seq(seq, ct_ftp_info,dir);
+ update_nl_seq(seq, ct_ftp_info,dir, *pskb);
out:
spin_unlock_bh(&ip_ftp_lock);
return ret;
ports[i]);
ip_conntrack_helper_unregister(&ftp[i]);
}
+
+ kfree(ftp_buffer);
}
static int __init init(void)
int i, ret;
char *tmpname;
+ ftp_buffer = kmalloc(65536, GFP_KERNEL);
+ if (!ftp_buffer)
+ return -ENOMEM;
+
if (ports_c == 0)
ports[ports_c++] = FTP_PORT;