deny.toml

[graph]
# If true, metadata will be collected with `--all-features`. Note that this can't
# be toggled off if true, if you want to conditionally enable `--all-features` it
# is recommended to pass `--all-features` on the cmd line instead
all-features = true

[licenses]
# List of explicitly allowed licenses
# See https://spdx.org/licenses/ for list of possible licenses
# [possible values: any SPDX 3.11 short identifier (+ optional exception)].
allow = [
    "MIT",
    "MPL-2.0",
    "Apache-2.0",
    "Unicode-DFS-2016",
    "ISC",
    "BSD-3-Clause"
]
# Allow 1 or more licenses on a per-crate basis, so that particular licenses
# aren't accepted for every possible crate as with the normal allow list
exceptions = [
    # CC0 is a permissive license but somewhat unclear status for source code
    # so we prefer to not have dependencies using it
    # https://tldrlegal.com/license/creative-commons-cc0-1.0-universal
    { allow = ["CC0-1.0"], name = "constant_time_eq" },
    { allow = ["OpenSSL"], crate = "ring" },
]
# We want really high confidence when inferring licenses from text.
confidence-threshold = 0.93

[[licenses.clarify]]
crate = "ring"
# SPDX considers OpenSSL to encompass both the OpenSSL and SSLeay licenses
# https://spdx.org/licenses/OpenSSL.html
# ISC - Both BoringSSL and ring use this for their new files
# MIT - "Files in third_party/ have their own licenses, as described therein. The MIT
# license, for third_party/fiat, which, unlike other third_party directories, is
# compiled into non-test libraries, is included below."
# OpenSSL - Obviously
expression = "ISC AND MIT AND OpenSSL"
license-files = [{ path = "LICENSE", hash = 0xbd0eed23 }]

[bans]
# Lint level for when multiple versions of the same crate are detected
multiple-versions = "deny"
# Lint level for when a crate version requirement is `*`
wildcards = "deny"
deny = [
    { crate = "git2", use-instead = "gix" },
    { crate = "openssl", use-instead = "rustls" },
    { crate = "openssl-sys", use-instead = "rustls" },
    "libssh2-sys",
    { crate = "cmake", use-instead = "cc" },
]

[sources]
unknown-registry = "deny"
unknown-git = "deny"