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9f9581ba74
While updating the binary min-len implementation, I noticed that the only user, should AFAICT be using exact-len instead. In net/ipv4/fou_core.c FOU_ATTR_LOCAL_V6 and FOU_ATTR_PEER_V6 are only used for singular IPv6 addresses, and there are AFAICT no known implementations trying to send more, it therefore appears safe to change it to an exact-len policy. This patch therefore changes the local-v6/peer-v6 attributes to use an exact-len check, instead of a min-len check. Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net> Reviewed-by: Donald Hunter <donald.hunter@gmail.com> Link: https://patch.msgid.link/20250902154640.759815-2-ast@fiberby.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
133 lines
2.2 KiB
YAML
133 lines
2.2 KiB
YAML
# SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
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---
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name: fou
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protocol: genetlink-legacy
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doc: |
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Foo-over-UDP.
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c-family-name: fou-genl-name
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c-version-name: fou-genl-version
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max-by-define: true
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kernel-policy: global
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definitions:
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-
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type: enum
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name: encap-type
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name-prefix: fou-encap-
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enum-name:
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entries: [unspec, direct, gue]
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attribute-sets:
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-
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name: fou
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name-prefix: fou-attr-
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attributes:
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-
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name: unspec
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type: unused
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value: 0
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-
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name: port
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type: u16
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byte-order: big-endian
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-
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name: af
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type: u8
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-
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name: ipproto
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type: u8
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-
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name: type
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type: u8
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-
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name: remcsum-nopartial
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type: flag
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-
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name: local-v4
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type: u32
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-
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name: local-v6
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type: binary
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checks:
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exact-len: 16
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-
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name: peer-v4
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type: u32
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-
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name: peer-v6
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type: binary
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checks:
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exact-len: 16
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-
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name: peer-port
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type: u16
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byte-order: big-endian
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-
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name: ifindex
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type: s32
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operations:
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list:
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-
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name: unspec
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doc: unused
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value: 0
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-
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name: add
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doc: Add port.
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attribute-set: fou
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dont-validate: [strict, dump]
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flags: [admin-perm]
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do:
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request: &all_attrs
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attributes:
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- port
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- ipproto
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- type
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- remcsum-nopartial
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- local-v4
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- peer-v4
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- local-v6
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- peer-v6
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- peer-port
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- ifindex
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-
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name: del
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doc: Delete port.
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attribute-set: fou
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dont-validate: [strict, dump]
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flags: [admin-perm]
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do:
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request: &select_attrs
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attributes:
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- af
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- ifindex
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- port
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- peer-port
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- local-v4
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- peer-v4
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- local-v6
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- peer-v6
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-
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name: get
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doc: Get tunnel info.
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attribute-set: fou
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dont-validate: [strict, dump]
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do:
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request: *select_attrs
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reply: *all_attrs
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dump:
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reply: *all_attrs
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