calculate DS from DNSKEY

This commit is contained in:
Stefan Bühler 2019-09-08 17:06:38 +02:00
parent 2ee16d7994
commit 8811d79744
9 changed files with 301 additions and 10 deletions

141
Cargo.lock generated
View File

@ -1,5 +1,10 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "arrayref"
version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "arrayvec"
version = "0.4.10"
@ -38,6 +43,44 @@ name = "bitflags"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "block-buffer"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
"byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "block-buffer"
version = "0.7.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"block-padding 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
"byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "block-padding"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "byte-tools"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "byte-tools"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "byteorder"
version = "1.3.2"
@ -114,6 +157,22 @@ name = "data-encoding"
version = "2.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "digest"
version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "digest"
version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "dnsbox"
version = "0.1.0"
@ -134,8 +193,11 @@ dependencies = [
"data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
"dnsbox-derive 0.1.0",
"failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
"gost94 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
"sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
"sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
"smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -169,6 +231,11 @@ dependencies = [
"synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "fake-simd"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "fnv"
version = "1.0.6"
@ -198,6 +265,32 @@ name = "futures"
version = "0.1.28"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "generic-array"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "generic-array"
version = "0.12.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "gost94"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"block-buffer 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
"byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"digest 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "iovec"
version = "0.1.2"
@ -309,6 +402,11 @@ dependencies = [
"libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "opaque-debug"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "owning_ref"
version = "0.4.0"
@ -494,6 +592,28 @@ name = "semver-parser"
version = "0.7.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "sha-1"
version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
"digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
"fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
"opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "sha2"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
"digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
"fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
"opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "slab"
version = "0.4.2"
@ -717,6 +837,11 @@ dependencies = [
"tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "typenum"
version = "1.11.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "unicode-xid"
version = "0.1.0"
@ -761,11 +886,17 @@ dependencies = [
]
[metadata]
"checksum arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0d382e583f07208808f6b1249e60848879ba3543f57c32277bf52d69c2f0f0ee"
"checksum arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "92c7fb76bc8826a8b33b4ee5bb07a247a81e76764ab4d55e8f73e3a4d8808c71"
"checksum autocfg 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0e49efa51329a5fd37e7c79db4621af617cd4e3e5bc224939808d076077077bf"
"checksum backtrace 0.3.32 (registry+https://github.com/rust-lang/crates.io-index)" = "18b50f5258d1a9ad8396d2d345827875de4261b158124d4c819d9b351454fae5"
"checksum backtrace-sys 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)" = "5b3a000b9c543553af61bc01cbfc403b04b5caa9e421033866f2e98061eb3e61"
"checksum bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3d155346769a6855b86399e9bc3814ab343cd3d62c7e985113d46a0ec3c281fd"
"checksum block-buffer 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a076c298b9ecdb530ed9d967e74a6027d6a7478924520acddcddc24c1c8ab3ab"
"checksum block-buffer 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
"checksum block-padding 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "6d4dc3af3ee2e12f3e5d224e5e1e3d73668abbeb69e566d361f7d5563a4fdf09"
"checksum byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "560c32574a12a89ecd91f5e742165893f86e3ab98d21f8ea548658eb9eef5f40"
"checksum byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
"checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
"checksum bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "206fdffcfa2df7cbe15601ef46c813fce0965eb3286db6b56c583b814b51c81c"
"checksum cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)" = "39f75544d7bbaf57560d2168f28fd649ff9c76153874db88bdbdfd839b1a7e7d"
@ -776,13 +907,19 @@ dependencies = [
"checksum crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c979cd6cfe72335896575c6b5688da489e420d36a27a0b9eb0c73db574b4a4b"
"checksum crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "f8306fcef4a7b563b76b7dd949ca48f52bc1141aa067d2ea09565f3e2652aa5c"
"checksum data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f4f47ca1860a761136924ddd2422ba77b2ea54fe8cc75b9040804a0d9d32ad97"
"checksum digest 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)" = "03b072242a8cbaf9c145665af9d250c59af3b958f83ed6824e13533cf76d5b90"
"checksum digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
"checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
"checksum failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ea1063915fd7ef4309e222a5a07cf9c319fb9c7836b1f89b85458672dbb127e1"
"checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
"checksum fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
"checksum fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
"checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
"checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
"checksum futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)" = "45dc39533a6cae6da2b56da48edae506bb767ec07370f86f70fc062e9d435869"
"checksum generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c68f0274ae0e023facc3c97b2e00f076be70e254bc851d972503b328db79b2ec"
"checksum generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ef25c5683767570c2bbd7deba372926a55eaae9982d7726ee2a1050239d45b9d"
"checksum gost94 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "28a479e5af8bff6770b86b5dc41a5ed2e232bcd0a52fcf1af5546ed487f3b89b"
"checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
"checksum lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bc5729f27f159ddd61f4df6228e827e86643d4d3e7c32183cb30a1c08f604a14"
@ -796,6 +933,7 @@ dependencies = [
"checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
"checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
"checksum num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bcef43580c035376c0705c42792c294b66974abbfd2789b511784023f71f3273"
"checksum opaque-debug 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
"checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
"checksum parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ab41b4aed082705d1056416ae4468b6ea99d52599ecf3169b00088d43113e337"
"checksum parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
@ -818,6 +956,8 @@ dependencies = [
"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
"checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
"checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
"checksum sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "23962131a91661d643c98940b20fcaffe62d776a823247be80a48fcb8b6fce68"
"checksum sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b4d8bfd0e469f417657573d8451fb33d16cfe0989359b93baf3a1ffc639543d"
"checksum slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
"checksum smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "ab606a9c5e214920bb66c458cd7be8ef094f813f20fe77a54cc7dbfff220d4b7"
"checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
@ -837,6 +977,7 @@ dependencies = [
"checksum tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "f2106812d500ed25a4f38235b9cae8f78a09edf43203e16e59c3b769a342a60e"
"checksum tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"
"checksum tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
"checksum typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
"checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"

View File

@ -13,6 +13,11 @@ failure = "0.1.5"
lazy_static = "1.3.0"
log = "0.4"
smallvec = "0.6.10"
sha-1 = { version = "0.8.1", optional = true }
sha2 = { version = "0.8.0", optional = true }
gost94 = { version = "0.7.0", optional = true }
[features]
no-unsafe = []
default = ['crypto']
crypto = ['sha-1', 'sha2', 'gost94']

View File

@ -33,6 +33,13 @@ lazy_static::lazy_static!{
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct HexShortBlob(Bytes);
impl HexShortBlob {
pub fn new(data: Vec<u8>) -> Result<Self> {
failure::ensure!(data.len() < 256, "short hex blob must be at most 255 bytes long");
Ok(Self(data.into()))
}
}
impl DnsPacketData for HexShortBlob {
fn deserialize(data: &mut Cursor<Bytes>) -> Result<Self> {
Ok(HexShortBlob(short_blob(data)?))
@ -80,6 +87,13 @@ impl std::ops::Deref for HexShortBlob {
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct Base64LongBlob(Bytes);
impl Base64LongBlob {
pub fn new(data: Vec<u8>) -> Result<Self> {
failure::ensure!(data.len() < 0x1_0000, "long base64 blob must be at most 65535 bytes long");
Ok(Self(data.into()))
}
}
impl DnsPacketData for Base64LongBlob {
fn deserialize(data: &mut Cursor<Bytes>) -> Result<Self> {
let len = u16::deserialize(data)? as usize;
@ -140,6 +154,12 @@ impl std::ops::Deref for Base64LongBlob {
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct Base64RemainingBlob(Bytes);
impl Base64RemainingBlob {
pub fn new(data: Vec<u8>) -> Self {
Self(data.into())
}
}
impl DnsPacketData for Base64RemainingBlob {
fn deserialize(data: &mut Cursor<Bytes>) -> Result<Self> {
Ok(Base64RemainingBlob(remaining_bytes(data)))
@ -185,6 +205,12 @@ impl std::ops::Deref for Base64RemainingBlob {
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct HexRemainingBlob(Bytes);
impl HexRemainingBlob {
pub fn new(data: Vec<u8>) -> Self {
Self(data.into())
}
}
impl DnsPacketData for HexRemainingBlob {
fn deserialize(data: &mut Cursor<Bytes>) -> Result<Self> {
Ok(HexRemainingBlob(remaining_bytes(data)))
@ -228,6 +254,13 @@ impl std::ops::Deref for HexRemainingBlob {
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct HexRemainingBlobNotEmpty(Bytes);
impl HexRemainingBlobNotEmpty {
pub fn new(data: Vec<u8>) -> Result<Self> {
failure::ensure!(!data.is_empty(), "must not be empty");
Ok(Self(data.into()))
}
}
impl DnsPacketData for HexRemainingBlobNotEmpty {
fn deserialize(data: &mut Cursor<Bytes>) -> Result<Self> {
let data = remaining_bytes(data);

View File

@ -13,17 +13,59 @@ mod sshfp;
mod time;
mod uri;
pub use self::binary::{HexShortBlob, Base64LongBlob, Base64RemainingBlob, HexRemainingBlob, HexRemainingBlobNotEmpty};
pub use self::binary::{
Base64LongBlob,
Base64RemainingBlob,
HexRemainingBlob,
HexRemainingBlobNotEmpty,
HexShortBlob,
};
pub use self::classes::Class;
pub use self::caa::{CaaFlags};
pub use self::dnssec::{DnsSecAlgorithm, DnskeyFlags, DnskeyProtocol, DnsSecDigestAlgorithm, Nsec3Flags, Nsec3ParamFlags, Nsec3Algorithm};
pub use self::eui::{EUI48Addr, EUI64Addr};
pub use self::name::{DnsName, DnsCanonicalName, DnsCompressedName};
pub use self::nsec::{NsecTypeBitmap, NextHashedOwnerName};
pub use self::caa::CaaFlags;
pub use self::dnssec::{
DnskeyFlags,
DnskeyProtocol,
DnskeyProtocolKnown,
DnsSecAlgorithm,
DnsSecAlgorithmKnown,
DnsSecDigestAlgorithm,
DnsSecDigestAlgorithmKnown,
Nsec3Algorithm,
Nsec3AlgorithmKnown,
Nsec3Flags,
Nsec3ParamFlags,
};
pub use self::eui::{
EUI48Addr,
EUI64Addr,
};
pub use self::name::{
DnsCanonicalName,
DnsCompressedName,
DnsName,
};
pub use self::nsec::{
NextHashedOwnerName,
NsecTypeBitmap,
};
pub use self::nxt::NxtTypeBitmap;
pub use self::sig::OptionalTTL;
pub use self::sshfp::{SshFpAlgorithm, SshFpType};
pub use self::text::{ShortText, LongText, UnquotedShortText, RemainingText};
pub use self::time::{Time, TimeStrict, Time48};
pub use self::sshfp::{
SshFpAlgorithm,
SshFpAlgorithmKnown,
SshFpType,
SshFpTypeKnown,
};
pub use self::text::{
LongText,
RemainingText,
ShortText,
UnquotedShortText,
};
pub use self::time::{
Time,
Time48,
TimeStrict,
};
pub use self::types::Type;
pub use self::uri::UriText;

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@ -0,0 +1,31 @@
use crate::common_types::DnsSecDigestAlgorithmKnown;
pub fn sha1(data: &[u8]) -> Vec<u8> {
use sha1::Digest;
sha1::Sha1::digest(data).as_slice().to_vec()
}
pub fn sha256(data: &[u8]) -> Vec<u8> {
use sha2::Digest;
sha2::Sha256::digest(data).as_slice().to_vec()
}
pub fn sha384(data: &[u8]) -> Vec<u8> {
use sha2::Digest;
sha2::Sha384::digest(data).as_slice().to_vec()
}
// gostR3411
pub fn gost_r3411(data: &[u8]) -> Vec<u8> {
use gost94::Digest;
gost94::Gost94CryptoPro::digest(data).as_slice().to_vec()
}
pub fn ds_hash(alg: DnsSecDigestAlgorithmKnown, data: &[u8]) -> Vec<u8> {
match alg {
DnsSecDigestAlgorithmKnown::SHA1 => sha1(data),
DnsSecDigestAlgorithmKnown::SHA256 => sha256(data),
DnsSecDigestAlgorithmKnown::GOST_R_34_11_94 => gost_r3411(data),
DnsSecDigestAlgorithmKnown::SHA384 => sha384(data),
}
}

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@ -8,6 +8,8 @@ extern crate self as dnsbox_base;
#[macro_use]
pub mod errors;
#[cfg(feature = "crypto")]
mod crypto;
pub mod common_types;
pub mod ser;
pub mod packet;

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@ -1,4 +1,5 @@
use crate::common_types::*;
use crate::errors::*;
use std::net::{Ipv4Addr, Ipv6Addr};
use crate::ser::{packet::DnsPacketData, text::DnsTextData, RRData};
@ -393,6 +394,27 @@ impl DNSKEY {
sum.wrapping_add(sum >> 16) as u16
}
#[cfg(feature = "crypto")]
pub fn build_ds(&self, zone: &DnsName, algs: &[DnsSecDigestAlgorithmKnown]) -> Result<Vec<DS>> {
if algs.is_empty() { return Ok(Vec::new()); }
use crate::ser::packet::DnsPacketWriteContext;
let mut ctx = DnsPacketWriteContext::new();
ctx.enable_canonical();
let mut bin = Vec::new();
zone.serialize(&mut ctx, &mut bin)?;
self.serialize(&mut ctx, &mut bin)?;
let key_tag = self.tag();
Ok(algs.iter().map(|alg| DS {
key_tag,
algorithm: self.algorithm,
digest_type: (*alg).into(),
digest: HexRemainingBlob::new(crate::crypto::ds_hash(*alg, &bin)),
}).collect())
}
}
#[derive(Clone, PartialEq, Eq, Debug, DnsPacketData, DnsTextData, RRData)]

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@ -1,5 +1,7 @@
mod rrdata;
pub mod packet;
pub mod text;
mod rrdata;
pub use self::packet::DnsPacketWriteContext;
pub use self::rrdata::{RRDataPacket, RRDataText, RRData, StaticRRData};
pub use self::text::DnsTextContext;

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@ -139,6 +139,12 @@ impl DnsTextContext {
Self::default()
}
pub fn new_root_origin() -> Self {
let mut this = Self::default();
this.set_origin(common_types::DnsName::new_root());
this
}
pub fn zone_class(&self) -> Option<common_types::Class> {
self.zone_class
}
@ -190,6 +196,13 @@ impl DnsTextContext {
pub fn unset_last_ttl(&mut self) -> &mut Self {
self
}
pub fn parse<T>(&self, data: &str) -> crate::errors::Result<T>
where
T: DnsTextData,
{
parse_with(data, |data| T::dns_parse(self, data))
}
}
pub trait DnsTextData {