feat: add derparse-rs
This commit is contained in:
194
derparse-rs/src/main.rs
Executable file
194
derparse-rs/src/main.rs
Executable file
@@ -0,0 +1,194 @@
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#!/usr/bin/env runrs
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//! ```cargo
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//! [dependencies]
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//! base64 = "0.21.5"
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//! der-parser = "8.2.0"
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//! hex = "0.4.3"
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//! oid-registry = { version = "0.6.1", features = ["x962", "x509", "crypto", "pkcs1", "pkcs12", "pkcs7", "pkcs9", "kdf", "ms_spc", "nist_algs"] }
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//! ```
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use std::fs;
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use base64::Engine;
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use der_parser::ber::{BerObject, BerObjectContent};
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use der_parser::Oid;
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use oid_registry::{OidEntry, OidRegistry};
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use oid_registry::asn1_rs::oid;
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fn main() {
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let args = std::env::args().skip(1).collect::<Vec<_>>();
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if args.is_empty() {
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println!("Require Args.");
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return;
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}
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let arg1 = &args[0];
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let content = try_parse(arg1);
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let ber_obj = match der_parser::parse_ber(&content) {
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Ok(ber_obj) => ber_obj.1,
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Err(e) => panic!("Parse DER failed: {}", e),
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};
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let oid_reg = build_oid_register();
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print(&oid_reg, 0, &ber_obj);
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}
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fn try_parse(arg1: &str) -> Vec<u8> {
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let arg1 = arg1.replace("\n", "").replace("\r", "");
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if let Ok(h) = hex::decode(&arg1) {
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return h;
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}
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if let Ok(h) = base64::engine::general_purpose::STANDARD.decode(&arg1) {
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return h;
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}
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if let Ok(content) = fs::read(&arg1) {
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return content;
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}
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panic!("Parse arg failed: {}", arg1);
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}
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fn print(oid_reg: &OidRegistry, depth: usize, ber_obj: &BerObject) {
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let prefix = " ".repeat(depth);
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match &ber_obj.content {
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BerObjectContent::EndOfContent => {
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println!("{}END OF CONTENT", prefix);
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}
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BerObjectContent::Boolean(b) => {
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println!("{}BOOLEAN: {}", prefix, b);
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}
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BerObjectContent::Integer(i) => {
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println!("{}INTEGER: {}", prefix, hex::encode(i));
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}
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BerObjectContent::BitString(u, b) => {
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if let Ok(ber_obj) = der_parser::parse_ber(&b.data) {
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println!("{}BIT STRING[{}]", prefix, u);
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print(&oid_reg, depth + 1, &ber_obj.1);
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} else {
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println!("{}BIT STRING[{}] - {}", prefix, u, hex::encode(b.data));
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}
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}
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BerObjectContent::OctetString(s) => {
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if let Ok(ber_obj) = der_parser::parse_ber(s) {
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println!("{}OCTET STRING", prefix);
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print(&oid_reg, depth + 1, &ber_obj.1);
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} else {
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println!("{}OCTET STRING: {}", prefix, hex::encode(s));
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}
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}
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BerObjectContent::Null => {
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println!("{}NULL", prefix);
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}
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BerObjectContent::Enum(e) => {
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println!("{}ENUM: {}", prefix, e);
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}
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BerObjectContent::OID(oid) => {
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println!("{}OID: {}{}", prefix, oid, format_oid(oid_reg, oid));
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}
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BerObjectContent::RelativeOID(oid) => {
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println!("{}RELATIVE OID: {}{}", prefix, oid, format_oid(oid_reg, oid));
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}
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BerObjectContent::NumericString(s) => {
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println!("{}NUMERIC STRING: {}", prefix, s);
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}
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BerObjectContent::VisibleString(s) => {
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println!("{}VISIBLE STRING: {}", prefix, s);
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}
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BerObjectContent::PrintableString(s) => {
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println!("{}PRINTABLE STRING: {}", prefix, s);
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}
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BerObjectContent::IA5String(s) => {
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println!("{}IA5 STRING: {}", prefix, s);
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}
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BerObjectContent::UTF8String(s) => {
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println!("{}UTF8 STRING: {}", prefix, s);
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}
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BerObjectContent::T61String(s) => {
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println!("{}T61 STRING: {}", prefix, s);
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}
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BerObjectContent::VideotexString(s) => {
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println!("{}VIDEOTEX STRING: {}", prefix, s);
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}
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BerObjectContent::BmpString(s) => {
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println!("{}BMP STRING: {}", prefix, s);
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}
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BerObjectContent::UniversalString(s) => {
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println!("{}UNIVERSAL STRING: {}", prefix, hex::encode(s));
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}
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BerObjectContent::GraphicString(s) => {
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println!("{}GRAPHIC STRING: {}", prefix, s);
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}
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BerObjectContent::GeneralString(s) => {
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println!("{}GENERAL STRING: {}", prefix, s);
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}
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BerObjectContent::ObjectDescriptor(d) => {
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println!("{}OBJECT DESCRIPTOR: {}", prefix, d);
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}
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BerObjectContent::Sequence(ber_objects) => {
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println!("{}SEQUENCE {{", prefix);
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for b in ber_objects {
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print(oid_reg, depth + 1, b);
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}
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println!("{}}}", prefix);
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}
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BerObjectContent::Set(ber_objects) => {
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println!("{}SET {{", prefix);
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for b in ber_objects {
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print(oid_reg, depth + 1, b);
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}
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println!("{}}}", prefix);
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}
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BerObjectContent::UTCTime(t) => {
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println!("{}UTC TIME: {}", prefix, t);
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}
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BerObjectContent::GeneralizedTime(t) => {
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println!("{}GENERALIZED TIME: {}", prefix, t);
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}
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BerObjectContent::Optional(o) => {
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println!("{}OPTIONAL {{", prefix);
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match o {
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None => { println!("{} NONE", prefix) }
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Some(o) => {
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print(oid_reg, depth + 1, o);
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}
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}
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println!("{}}}", prefix);
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}
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BerObjectContent::Tagged(c, t, o) => {
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println!("{}TAGGED class={} tag={} {{", prefix, c, t);
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print(oid_reg, depth + 1, o);
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println!("{}}}", prefix);
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}
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BerObjectContent::Unknown(u) => {
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let tag = u.header.tag().0;
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if let Ok(ber_obj) = der_parser::parse_ber(&u.data) {
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println!("{}[{}]", prefix, tag);
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print(&oid_reg, depth + 1, &ber_obj.1);
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} else {
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println!("{}[{}] {}", prefix, tag, hex::encode(&u.data));
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}
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}
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}
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}
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fn format_oid(oid_reg: &OidRegistry, oid: &Oid) -> String {
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match oid_reg.get(oid) {
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None => "".to_string(),
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Some(e) => format!(" // {} ({})", e.sn(), e.description())
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}
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}
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fn build_oid_register() -> OidRegistry<'static> {
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let mut oid_reg = OidRegistry::default()
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.with_pkcs1()
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.with_pkcs7()
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.with_pkcs9()
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.with_pkcs12()
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.with_x509()
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.with_x962()
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.with_kdf()
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.with_ms_spc()
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.with_nist_algs();
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// more OIDs, https://site.hatter.ink/asn1js/oids.js
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oid_reg.insert(oid!(1.2.156.10197.1.301), OidEntry::new("sm2ECC", "China GM Standards Committee"));
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oid_reg
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}
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