chore: checkpoint before Python removal

vendor/asn1-rs-impl/.cargo-checksum.json

@@ -0,0 +1 @@
+{"files":{".cargo_vcs_info.json":"bfb8aecdc47faea066fd27b878d0640c2e7859033c513ed32f342f25faef0b87","Cargo.toml":"a631619d2ce5c7060ce03cbbfc08a45430350e55b700b8bb905ff4ecb2819a8e","Cargo.toml.orig":"f4d839a0543fac286eb3be3b6c56cb75bb5910f3cb8a98f44a448ff36a8e50ec","src/lib.rs":"c052170f4c8f719ef07a722a1961c0e52423e28951ddbdf3700d7329bb79a277","tests/test_oid.rs":"0a4ed684b2c503315955b28d0587cf27ee7ed07e860f598960a99ee0415684d8"},"package":"7b18050c2cd6fe86c3a76584ef5e0baf286d038cda203eb6223df2cc413565f7"}

vendor/asn1-rs-impl/.cargo_vcs_info.json

@@ -0,0 +1,6 @@
+{
+  "git": {
+    "sha1": "a20e5f7319c896737ad0f2557037817b91ad854f"
+  },
+  "path_in_vcs": "impl"
+}

vendor/asn1-rs-impl/Cargo.toml

@@ -0,0 +1,32 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2018"
+name = "asn1-rs-impl"
+version = "0.2.0"
+authors = ["Pierre Chifflier <chifflier@wzdftpd.net>"]
+description = "Implementation details for the `asn1-rs` crate"
+homepage = "https://github.com/rusticata/asn1-rs"
+license = "MIT/Apache-2.0"
+repository = "https://github.com/rusticata/asn1-rs.git"
+
+[lib]
+proc-macro = true
+
+[dependencies.proc-macro2]
+version = "1"
+
+[dependencies.quote]
+version = "1"
+
+[dependencies.syn]
+version = "2.0"

vendor/asn1-rs-impl/src/lib.rs

@@ -0,0 +1,126 @@
+extern crate proc_macro;
+use proc_macro::{Span, TokenStream};
+use syn::{parse_macro_input, Error, LitInt};
+
+#[proc_macro]
+pub fn encode_oid(input: TokenStream) -> TokenStream {
+    let token_stream = input.to_string();
+    let (s, relative) = if token_stream.starts_with("rel ") {
+        (&token_stream[4..], true)
+    } else {
+        (token_stream.as_ref(), false)
+    };
+    let items: Result<Vec<_>, _> = s.split('.').map(|x| x.trim().parse::<u128>()).collect();
+    let mut items: &[_] = match items.as_ref() {
+        Ok(v) => v.as_ref(),
+        Err(_) => return create_error("Could not parse OID"),
+    };
+    let mut v = Vec::new();
+    if !relative {
+        if items.len() < 2 {
+            if items.len() == 1 && items[0] == 0 {
+                return "[0]".parse().unwrap();
+            }
+            return create_error("Need at least two components for non-relative oid");
+        }
+        if items[0] > 2 || items[1] > 39 {
+            return create_error("First components are too big");
+        }
+        let first_byte = (items[0] * 40 + items[1]) as u8;
+        v.push(first_byte);
+        items = &items[2..];
+    }
+    for &int in items {
+        let enc = encode_base128(int);
+        v.extend_from_slice(&enc);
+    }
+    // "fn answer() -> u32 { 42 }".parse().unwrap()
+    let mut s = String::with_capacity(2 + 6 * v.len());
+    s.push('[');
+    for byte in v.iter() {
+        s.insert_str(s.len(), &format!("0x{:02x}, ", byte));
+    }
+    s.push(']');
+    s.parse().unwrap()
+}
+
+#[inline]
+fn create_error(msg: &str) -> TokenStream {
+    let s = format!("Invalid OID({})", msg);
+    Error::new(Span::call_site().into(), &s)
+        .to_compile_error()
+        .into()
+}
+
+// encode int as base128
+fn encode_base128(int: u128) -> Vec<u8> {
+    let mut val = int;
+    let mut base128 = Vec::new();
+    let lo = val & 0x7f;
+    base128.push(lo as u8);
+    val >>= 7;
+    loop {
+        if val == 0 {
+            base128.reverse();
+            return base128;
+        }
+        let lo = val & 0x7f;
+        base128.push(lo as u8 | 0x80);
+        val >>= 7;
+    }
+}
+
+#[proc_macro]
+pub fn encode_int(input: TokenStream) -> TokenStream {
+    let lit = parse_macro_input!(input as LitInt);
+
+    match impl_encode_int(lit) {
+        Ok(ts) => ts,
+        Err(e) => e.to_compile_error().into(),
+    }
+
+    // let token_stream = input.to_string();
+    // let items: Result<Vec<_>, _> = token_stream
+    //     .split('.')
+    //     .map(|x| x.trim().parse::<u64>())
+    //     .collect();
+    // let err = Error::new(Span::call_site().into(), "invalid OID");
+    // if let Ok(items) = items {
+    //     let mut v = Vec::new();
+    //     if items.len() < 2 || items[0] > 2 || items[1] > 39 {
+    //         return err.to_compile_error().into();
+    //     }
+    //     let first_byte = (items[0] * 40 + items[1]) as u8;
+    //     v.push(first_byte);
+    //     for &int in &items[2..] {
+    //         let enc = encode_base128(int);
+    //         v.extend_from_slice(&enc);
+    //     }
+    //     // "fn answer() -> u32 { 42 }".parse().unwrap()
+    //     let mut s = String::with_capacity(2 + 6 * v.len());
+    //     s.push('[');
+    //     for byte in v.iter() {
+    //         s.insert_str(s.len(), &format!("0x{:02x}, ", byte));
+    //     }
+    //     s.push(']');
+    //     s.parse().unwrap()
+    // } else {
+    //     eprintln!("could not parse OID '{}'", token_stream);
+    //     err.to_compile_error().into()
+    // }
+}
+
+fn impl_encode_int(lit: LitInt) -> Result<TokenStream, Error> {
+    let value = lit.base10_parse::<u64>()?;
+
+    let bytes = value.to_be_bytes();
+    let v: Vec<_> = bytes.iter().skip_while(|&c| *c == 0).collect();
+
+    let mut s = String::with_capacity(2 + 6 * v.len());
+    s.push('[');
+    for byte in v.iter() {
+        s.insert_str(s.len(), &format!("0x{:02x}, ", byte));
+    }
+    s.push(']');
+    Ok(s.parse().unwrap())
+}

vendor/asn1-rs-impl/target/package/tmp-registry/index/as/n1/asn1-rs-impl

@@ -0,0 +1 @@
+{"name":"asn1-rs-impl","vers":"0.2.0","deps":[{"name":"proc-macro2","req":"^1","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"quote","req":"^1","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false},{"name":"syn","req":"^2.0","features":[],"optional":false,"default_features":true,"target":null,"kind":"normal","registry":"https://github.com/rust-lang/crates.io-index","package":null,"public":null,"artifact":null,"bindep_target":null,"lib":false}],"features":{},"features2":null,"cksum":"9f8fc66eba525e4c8835e00a6bbf175f451e888401e7810978a3f47220a4ecfc","yanked":null,"links":null,"rust_version":null,"v":2}

vendor/asn1-rs-impl/tests/test_oid.rs

@@ -0,0 +1,15 @@
+use asn1_rs_impl::{encode_int, encode_oid};
+
+#[test]
+fn test_encode_oid() {
+    // example from http://luca.ntop.org/Teaching/Appunti/asn1.html
+    let oid = encode_oid! {1.2.840.113549};
+    assert_eq!(oid, [0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d]);
+}
+
+#[test]
+fn test_encode_int() {
+    //
+    let int = encode_int!(1234);
+    assert_eq!(int, [0x04, 0xd2]);
+}