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so that conntrack core will add the needed hooks in this namespace.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The email address has changed, let's update the copyright statements.
Signed-off-by: Arturo Borrero Gonzalez <arturo@debian.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add helper functions to parse and dump register values in netlink attributes.
These helpers will later be changed to take care of translation between the
old 128 bit and the new 32 bit register numbers.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Change nft_validate_input_register() to not only validate the input
register number, but also the length of the load, and rename it to
nft_validate_register_load() to reflect that change.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The user can crash the kernel if it uses any of the existing NAT
expressions from the wrong hook, so add some code to validate this
when loading the rule.
This patch introduces nft_chain_validate_hooks() which is based on
an existing function in the bridge version of the reject expression.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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>> net/netfilter/nft_redir.c:39:26: sparse: incorrect type in assignment (different base types)
net/netfilter/nft_redir.c:39:26: expected unsigned int [unsigned] [usertype] nla_be32
net/netfilter/nft_redir.c:39:26: got restricted __be32
>> net/netfilter/nft_redir.c:40:40: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:40:40: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:40:40: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:40:40: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:40:40: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:40:40: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:46:34: sparse: incorrect type in assignment (different base types)
net/netfilter/nft_redir.c:46:34: expected unsigned int [unsigned] [usertype] nla_be32
net/netfilter/nft_redir.c:46:34: got restricted __be32
>> net/netfilter/nft_redir.c:47:48: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:47:48: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:47:48: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:47:48: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:47:48: sparse: cast to restricted __be32
>> net/netfilter/nft_redir.c:47:48: sparse: cast to restricted __be32
Fixes: e9105f1 ("netfilter: nf_tables: add new expression nft_redir")
Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This new expression provides NAT in the redirect flavour, which is to
redirect packets to local machine.
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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