gazagnaire.org
System ARP cache reader
*: relicense author-original packages MIT -> ISC
Standardise on ISC (matching irmin and mirage, and the repo majority):
flip (license MIT) to (license ISC) in each dune-project, regenerate
the opam files, swap LICENSE.md to the ISC text, and update the
SPDX-License-Identifier headers. memtrace and ocaml-xdg keep their
license: they are vendored Jane Street code, not ours to relicense.
author
Thomas Gazagnaire
date
(Jun 14, 2026, 3:44 AM UTC)
commit
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LICENSE.md
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LICENSE.md
···
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MIT License
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ISC License
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Copyright (c) 2025 Thomas Gazagnaire
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Copyright (c) 2026 Thomas Gazagnaire <thomas@gazagnaire.org>
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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arp-cache.opam
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arp-cache.opam
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"Read the host ARP cache to resolve IPv4 addresses to MAC addresses, without external dependencies. Uses /proc/net/arp on Linux and arp -a on macOS/BSD. The line parsers are pure OCaml."
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maintainer: ["Thomas Gazagnaire <thomas@gazagnaire.org>"]
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authors: ["Thomas Gazagnaire <thomas@gazagnaire.org>"]
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license: "MIT"
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license: "ISC"
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tags: ["org:blacksun" "network"]
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homepage: "https://tangled.org/gazagnaire.org/ocaml-arp-cache"
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bug-reports: "https://tangled.org/gazagnaire.org/ocaml-arp-cache/issues"
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dune-project
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dune-project
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lib/arp_cache.ml
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lib/arp_cache.ml
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(*---------------------------------------------------------------------------
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Copyright (c) 2025 Thomas Gazagnaire. All rights reserved.
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SPDX-License-Identifier: MIT
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SPDX-License-Identifier: ISC
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---------------------------------------------------------------------------*)
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type entry = { ip : string; mac : string; interface : string option }
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lib/arp_cache.mli
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lib/arp_cache.mli
···
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(*---------------------------------------------------------------------------
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Copyright (c) 2025 Thomas Gazagnaire. All rights reserved.
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SPDX-License-Identifier: MIT
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SPDX-License-Identifier: ISC
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---------------------------------------------------------------------------*)
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(** System ARP cache reader.