Decode relevant request information
This commit is contained in:
parent
c1bc8c88f2
commit
0880c09947
306
Cargo.lock
generated
306
Cargo.lock
generated
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|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "05f360fc0b24296329c78fda852a1e9ae82de9cf7b27dae4b7f62f118f77b9ed"
|
||||
dependencies = [
|
||||
"tap",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "yoke"
|
||||
version = "0.7.5"
|
||||
@ -1136,26 +940,6 @@ dependencies = [
|
||||
"synstructure",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy"
|
||||
version = "0.7.35"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "1b9b4fd18abc82b8136838da5d50bae7bdea537c574d8dc1a34ed098d6c166f0"
|
||||
dependencies = [
|
||||
"zerocopy-derive",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerocopy-derive"
|
||||
version = "0.7.35"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
checksum = "fa4f8080344d4671fb4e831a13ad1e68092748387dfc4f55e356242fae12ce3e"
|
||||
dependencies = [
|
||||
"proc-macro2",
|
||||
"quote",
|
||||
"syn",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "zerofrom"
|
||||
version = "0.1.6"
|
||||
|
||||
@ -13,4 +13,5 @@ url = "2.5.4"
|
||||
base64 = "0.22.1"
|
||||
sha256 = "1.6.0"
|
||||
colored = "3.0.0"
|
||||
rasn = "0.24.0"
|
||||
tempfile = "3.18.0"
|
||||
hex = "0.4.3"
|
||||
@ -1,7 +1,65 @@
|
||||
#[derive(Debug)]
|
||||
pub struct SCEPEnveloppedPayload {}
|
||||
use std::io::Write;
|
||||
use std::process::{Command};
|
||||
use anyhow::Context;
|
||||
use tempfile::NamedTempFile;
|
||||
|
||||
#[derive(Debug, Default)]
|
||||
pub struct SCEPEnvelopedPayload {
|
||||
cn: String,
|
||||
alt_name: String,
|
||||
}
|
||||
|
||||
/// Parse asn1 content
|
||||
fn parse_asn1(openssl: &str, req: &[u8]) -> anyhow::Result<String> {
|
||||
let mut tmpfile: NamedTempFile = NamedTempFile::new()?;
|
||||
tmpfile.write_all(req)?;
|
||||
tmpfile.flush()?;
|
||||
|
||||
let stdout = Command::new(openssl)
|
||||
.arg("asn1parse")
|
||||
.arg("-inform")
|
||||
.arg("DER")
|
||||
.arg("-in")
|
||||
.arg(tmpfile.path().to_str().unwrap())
|
||||
.output()?;
|
||||
|
||||
Ok(String::from_utf8_lossy(&stdout.stdout).to_string())
|
||||
}
|
||||
|
||||
/// Decode SCEP request
|
||||
pub fn decode_request(req: &[u8]) -> anyhow::Result<SCEPEnveloppedPayload> {
|
||||
todo!()
|
||||
pub fn decode_request(openssl: &str, req: &[u8]) -> anyhow::Result<SCEPEnvelopedPayload> {
|
||||
let output = parse_asn1(openssl, req)?;
|
||||
let output = output.trim().replace('\r', "");
|
||||
log::debug!("ASN1 request output: {output}");
|
||||
let lines = output.split('\n').collect::<Vec<&str>>();
|
||||
|
||||
let mut res = SCEPEnvelopedPayload::default();
|
||||
|
||||
for (num, line) in lines.iter().enumerate() {
|
||||
// Extract common name
|
||||
if line.contains(":commonName") {
|
||||
res.cn = lines[num + 1].split_once("PRINTABLESTRING").unwrap().1.split_once(':').unwrap().1.to_string();
|
||||
}
|
||||
|
||||
// Extract subject alternative name
|
||||
if line.contains("Subject Alternative Name") {
|
||||
let subj_rev = lines[num + 2].rsplit_once(':').unwrap().1;
|
||||
let sub_alt_name = hex::decode(subj_rev.trim()).context("Subject Alternative Name")?;
|
||||
|
||||
let res_decode_alt_name = parse_asn1(openssl, &sub_alt_name)?;
|
||||
let res_decode_alt_name = res_decode_alt_name.replace('\r', "");
|
||||
log::debug!("Subject alternative name: {res_decode_alt_name}");
|
||||
|
||||
// Extract Microsoft User Principal Name
|
||||
let subj_alt_name_lines = res_decode_alt_name.split('\n').collect::<Vec<&str>>();
|
||||
for (num, line) in subj_alt_name_lines.iter().enumerate() {
|
||||
if line.contains("Microsoft User Principal Name") {
|
||||
res.alt_name = subj_alt_name_lines[num + 2].split_once("UTF8STRING").unwrap().1.split_once(':').unwrap().1.to_string();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
Ok(res)
|
||||
}
|
||||
@ -22,6 +22,10 @@ struct Args {
|
||||
/// Display decoding URL (lapo.it)
|
||||
#[arg(short('d'), long)]
|
||||
decode_url: bool,
|
||||
|
||||
/// OpenSSL command path
|
||||
#[arg(short('o'), long, default_value = "openssl", env)]
|
||||
openssl_command: String,
|
||||
}
|
||||
|
||||
|
||||
@ -80,7 +84,7 @@ fn main() {
|
||||
}
|
||||
|
||||
if op == Operation::PKIOperation {
|
||||
let req = decode_request(request.body()).expect("Failed to decode request!");
|
||||
let req = decode_request(&args.openssl_command, request.body()).expect("Failed to decode request!");
|
||||
println!("{req:?}");
|
||||
}
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user