mptcp/openmptcprouter
1
0
Fork 0
mirror of https://github.com/Ysurac/openmptcprouter.git synced 2025-02-12 11:21:55 +00:00
Code Issues Releases Wiki Activity

Add 5.4 NDPI patch

Browse source
This commit is contained in:
Ycarus (Yannick Chabanois) 2023-12-24 10:57:10 +01:00
parent e975d7197b
commit dc46b3276c
1 changed files with 131 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

131
5.4/target/linux/generic/hack-5.4/999-ndpi.patch Normal file
View file

@ -0,0 +1,131 @@
From 719f0efb5a355adc04653d12d946901c8a051177 Mon Sep 17 00:00:00 2001
From: Vitaly Lavrov <vel21ripn@gmail.com>
Date: Mon, 10 Dec 2018 12:34:10 +0300
Subject: [PATCH] Add NF_CUSTOM
---
include/net/netfilter/nf_conntrack_extend.h | 4 ++-
net/netfilter/Kconfig | 10 +++++++
net/netfilter/nf_conntrack_core.c | 2 +-
net/netfilter/nf_conntrack_extend.c | 45 +++++++++++++++++++++++++++++
4 files changed, 59 insertions(+), 2 deletions(-)
diff --git a/include/net/netfilter/nf_conntrack_extend.h b/include/net/netfilter/nf_conntrack_extend.h
index 112a6f4..6146689 100644
--- a/include/net/netfilter/nf_conntrack_extend.h
+++ b/include/net/netfilter/nf_conntrack_extend.h
@@ -28,7 +28,8 @@ enum nf_ct_ext_id {
#if IS_ENABLED(CONFIG_NETFILTER_SYNPROXY)
NF_CT_EXT_SYNPROXY,
#endif
- NF_CT_EXT_NUM,
+ NF_CT_EXT_CUSTOM,
+ NF_CT_EXT_NUM=NF_CT_EXT_CUSTOM+CONFIG_NF_CONNTRACK_CUSTOM,
};
#define NF_CT_EXT_HELPER_TYPE struct nf_conn_help
@@ -96,5 +97,6 @@ struct nf_ct_ext_type {
};
int nf_ct_extend_register(const struct nf_ct_ext_type *type);
+int nf_ct_extend_custom_register(struct nf_ct_ext_type *type,unsigned long int cid);
void nf_ct_extend_unregister(const struct nf_ct_ext_type *type);
#endif /* _NF_CONNTRACK_EXTEND_H */
diff --git a/net/netfilter/Kconfig b/net/netfilter/Kconfig
index d374a93..2ca93aa 100644
--- a/net/netfilter/Kconfig
+++ b/net/netfilter/Kconfig
@@ -104,6 +104,16 @@ config NF_CONNTRACK_SECMARK
If unsure, say 'N'.
+config NF_CONNTRACK_CUSTOM
+ int "Number of custom extend"
+ range 0 4
+ depends on NETFILTER_ADVANCED
+ default "2"
+ help
+ This parameter specifies how many custom extensions can be registered.
+
+ The default value is 2.
+
config NF_CONNTRACK_ZONES
bool 'Connection tracking zones'
depends on NETFILTER_ADVANCED
diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c
index 9a40312..83e9379 100644
--- a/net/netfilter/nf_conntrack_core.c
+++ b/net/netfilter/nf_conntrack_core.c
@@ -2409,7 +2409,7 @@ EXPORT_SYMBOL_GPL(nf_conntrack_set_hashsize);
static __always_inline unsigned int total_extension_size(void)
{
/* remember to add new extensions below */
- BUILD_BUG_ON(NF_CT_EXT_NUM > 9);
+ BUILD_BUG_ON(NF_CT_EXT_NUM > 12);
return sizeof(struct nf_ct_ext) +
sizeof(struct nf_conn_help)
diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c
index d4ed1e1..00d7fc6 100644
--- a/net/netfilter/nf_conntrack_extend.c
+++ b/net/netfilter/nf_conntrack_extend.c
@@ -106,11 +106,56 @@ int nf_ct_extend_register(const struct nf_ct_ext_type *type)
}
EXPORT_SYMBOL_GPL(nf_ct_extend_register);
+static unsigned long int nf_ct_ext_cust_id[CONFIG_NF_CONNTRACK_CUSTOM];
+static enum nf_ct_ext_id
+nf_ct_extend_get_custom_id(unsigned long int ext_id);
+
+int nf_ct_extend_custom_register(struct nf_ct_ext_type *type,
+ unsigned long int cid)
+{
+ int ret;
+ enum nf_ct_ext_id new_id = nf_ct_extend_get_custom_id(cid);
+ if(!new_id)
+ return -EBUSY;
+ type->id = new_id;
+ ret = nf_ct_extend_register(type);
+ if(ret < 0) {
+ mutex_lock(&nf_ct_ext_type_mutex);
+ nf_ct_ext_cust_id[new_id - NF_CT_EXT_CUSTOM] = 0;
+ mutex_unlock(&nf_ct_ext_type_mutex);
+ }
+ return ret;
+}
+EXPORT_SYMBOL_GPL(nf_ct_extend_custom_register);
+
+static enum nf_ct_ext_id
+nf_ct_extend_get_custom_id(unsigned long int ext_id)
+{
+ enum nf_ct_ext_id ret = 0;
+ int i;
+ mutex_lock(&nf_ct_ext_type_mutex);
+ for(i = 0; i < CONFIG_NF_CONNTRACK_CUSTOM; i++) {
+ if(!nf_ct_ext_cust_id[i]) {
+ nf_ct_ext_cust_id[i] = ext_id;
+ ret = i+NF_CT_EXT_CUSTOM;
+ break;
+ }
+ if(nf_ct_ext_cust_id[i] == ext_id) {
+ ret = i+NF_CT_EXT_CUSTOM;
+ break;
+ }
+ }
+ mutex_unlock(&nf_ct_ext_type_mutex);
+ return ret;
+}
+
/* This MUST be called in process context. */
void nf_ct_extend_unregister(const struct nf_ct_ext_type *type)
{
mutex_lock(&nf_ct_ext_type_mutex);
RCU_INIT_POINTER(nf_ct_ext_types[type->id], NULL);
+ if(type->id >= NF_CT_EXT_CUSTOM && type->id < NF_CT_EXT_NUM)
+ nf_ct_ext_cust_id[type->id-NF_CT_EXT_CUSTOM] = 0;
mutex_unlock(&nf_ct_ext_type_mutex);
synchronize_rcu();
}
--
2.9.0