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"f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c" diff --git a/derparse-rs/Cargo.toml b/derparse-rs/Cargo.toml new file mode 100644 index 0000000..8a794c1 --- /dev/null +++ b/derparse-rs/Cargo.toml @@ -0,0 +1,14 @@ +[package] +name = "derparse-rs" +version = "0.1.0" +edition = "2021" + +# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html + +[dependencies] +base64 = "0.21.5" +der-parser = "8.2.0" +hex = "0.4.3" +oid-registry = { version = "0.6.1", features = ["x962", "x509", "crypto", "pkcs1", "pkcs12", "pkcs7", "pkcs9", "kdf", "ms_spc", "nist_algs"] } + + diff --git a/derparse-rs/src/main.rs b/derparse-rs/src/main.rs new file mode 100755 index 0000000..31679ce --- /dev/null +++ b/derparse-rs/src/main.rs @@ -0,0 +1,194 @@ +#!/usr/bin/env runrs + +//! ```cargo +//! [dependencies] +//! base64 = "0.21.5" +//! der-parser = "8.2.0" +//! hex = "0.4.3" +//! oid-registry = { version = "0.6.1", features = ["x962", "x509", "crypto", "pkcs1", "pkcs12", "pkcs7", "pkcs9", "kdf", "ms_spc", "nist_algs"] } +//! ``` + +use std::fs; + +use base64::Engine; +use der_parser::ber::{BerObject, BerObjectContent}; +use der_parser::Oid; +use oid_registry::{OidEntry, OidRegistry}; +use oid_registry::asn1_rs::oid; + +fn main() { + let args = std::env::args().skip(1).collect::>(); + if args.is_empty() { + println!("Require Args."); + return; + } + let arg1 = &args[0]; + let content = try_parse(arg1); + let ber_obj = match der_parser::parse_ber(&content) { + Ok(ber_obj) => ber_obj.1, + Err(e) => panic!("Parse DER failed: {}", e), + }; + + let oid_reg = build_oid_register(); + print(&oid_reg, 0, &ber_obj); +} + +fn try_parse(arg1: &str) -> Vec { + let arg1 = arg1.replace("\n", "").replace("\r", ""); + if let Ok(h) = hex::decode(&arg1) { + return h; + } + if let Ok(h) = base64::engine::general_purpose::STANDARD.decode(&arg1) { + return h; + } + if let Ok(content) = fs::read(&arg1) { + return content; + } + panic!("Parse arg failed: {}", arg1); +} + +fn print(oid_reg: &OidRegistry, depth: usize, ber_obj: &BerObject) { + let prefix = " ".repeat(depth); + match &ber_obj.content { + BerObjectContent::EndOfContent => { + println!("{}END OF CONTENT", prefix); + } + BerObjectContent::Boolean(b) => { + println!("{}BOOLEAN: {}", prefix, b); + } + BerObjectContent::Integer(i) => { + println!("{}INTEGER: {}", prefix, hex::encode(i)); + } + BerObjectContent::BitString(u, b) => { + if let Ok(ber_obj) = der_parser::parse_ber(&b.data) { + println!("{}BIT STRING[{}]", prefix, u); + print(&oid_reg, depth + 1, &ber_obj.1); + } else { + println!("{}BIT STRING[{}] - {}", prefix, u, hex::encode(b.data)); + } + } + BerObjectContent::OctetString(s) => { + if let Ok(ber_obj) = der_parser::parse_ber(s) { + println!("{}OCTET STRING", prefix); + print(&oid_reg, depth + 1, &ber_obj.1); + } else { + println!("{}OCTET STRING: {}", prefix, hex::encode(s)); + } + } + BerObjectContent::Null => { + println!("{}NULL", prefix); + } + BerObjectContent::Enum(e) => { + println!("{}ENUM: {}", prefix, e); + } + BerObjectContent::OID(oid) => { + println!("{}OID: {}{}", prefix, oid, format_oid(oid_reg, oid)); + } + BerObjectContent::RelativeOID(oid) => { + println!("{}RELATIVE OID: {}{}", prefix, oid, format_oid(oid_reg, oid)); + } + BerObjectContent::NumericString(s) => { + println!("{}NUMERIC STRING: {}", prefix, s); + } + BerObjectContent::VisibleString(s) => { + println!("{}VISIBLE STRING: {}", prefix, s); + } + BerObjectContent::PrintableString(s) => { + println!("{}PRINTABLE STRING: {}", prefix, s); + } + BerObjectContent::IA5String(s) => { + println!("{}IA5 STRING: {}", prefix, s); + } + BerObjectContent::UTF8String(s) => { + println!("{}UTF8 STRING: {}", prefix, s); + } + BerObjectContent::T61String(s) => { + println!("{}T61 STRING: {}", prefix, s); + } + BerObjectContent::VideotexString(s) => { + println!("{}VIDEOTEX STRING: {}", prefix, s); + } + BerObjectContent::BmpString(s) => { + println!("{}BMP STRING: {}", prefix, s); + } + BerObjectContent::UniversalString(s) => { + println!("{}UNIVERSAL STRING: {}", prefix, hex::encode(s)); + } + BerObjectContent::GraphicString(s) => { + println!("{}GRAPHIC STRING: {}", prefix, s); + } + BerObjectContent::GeneralString(s) => { + println!("{}GENERAL STRING: {}", prefix, s); + } + BerObjectContent::ObjectDescriptor(d) => { + println!("{}OBJECT DESCRIPTOR: {}", prefix, d); + } + BerObjectContent::Sequence(ber_objects) => { + println!("{}SEQUENCE {{", prefix); + for b in ber_objects { + print(oid_reg, depth + 1, b); + } + println!("{}}}", prefix); + } + BerObjectContent::Set(ber_objects) => { + println!("{}SET {{", prefix); + for b in ber_objects { + print(oid_reg, depth + 1, b); + } + println!("{}}}", prefix); + } + BerObjectContent::UTCTime(t) => { + println!("{}UTC TIME: {}", prefix, t); + } + BerObjectContent::GeneralizedTime(t) => { + println!("{}GENERALIZED TIME: {}", prefix, t); + } + BerObjectContent::Optional(o) => { + println!("{}OPTIONAL {{", prefix); + match o { + None => { println!("{} NONE", prefix) } + Some(o) => { + print(oid_reg, depth + 1, o); + } + } + println!("{}}}", prefix); + } + BerObjectContent::Tagged(c, t, o) => { + println!("{}TAGGED class={} tag={} {{", prefix, c, t); + print(oid_reg, depth + 1, o); + println!("{}}}", prefix); + } + BerObjectContent::Unknown(u) => { + let tag = u.header.tag().0; + if let Ok(ber_obj) = der_parser::parse_ber(&u.data) { + println!("{}[{}]", prefix, tag); + print(&oid_reg, depth + 1, &ber_obj.1); + } else { + println!("{}[{}] {}", prefix, tag, hex::encode(&u.data)); + } + } + } +} + +fn format_oid(oid_reg: &OidRegistry, oid: &Oid) -> String { + match oid_reg.get(oid) { + None => "".to_string(), + Some(e) => format!(" // {} ({})", e.sn(), e.description()) + } +} + +fn build_oid_register() -> OidRegistry<'static> { + let mut oid_reg = OidRegistry::default() + .with_pkcs1() + .with_pkcs7() + .with_pkcs9() + .with_pkcs12() + .with_x509() + .with_x962() + .with_kdf() + .with_ms_spc() + .with_nist_algs(); + // more OIDs, https://site.hatter.ink/asn1js/oids.js + oid_reg.insert(oid!(1.2.156.10197.1.301), OidEntry::new("sm2ECC", "China GM Standards Committee")); + oid_reg +}