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cert rdn: fix struct hierarchy

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This commit is contained in:
occheung 2020-11-11 17:13:45 +08:00
parent 65220dbb46
commit 7229a56eef
2 changed files with 46 additions and 22 deletions
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7
src/certificate.rs
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@ -328,7 +328,7 @@ pub struct AlgorithmIdentifier<'a> {
#[derive(Debug, Clone)]
pub struct Name<'a> {
pub relative_distinguished_name: Vec<AttributeTypeAndValue<'a>>
pub relative_distinguished_name: Vec<RelativeDistinguishedName<'a>>
}
impl<'a> PartialEq for Name<'a> {
@ -344,6 +344,11 @@ impl<'a> PartialEq for Name<'a> {
}
}
#[derive(Debug, Clone, PartialEq)]
pub struct RelativeDistinguishedName<'a> {
pub type_and_attributes: Vec<AttributeTypeAndValue<'a>>
}
#[derive(Debug, Clone, PartialEq)]
pub struct AttributeTypeAndValue<'a> {
pub attribute_type: &'a [u8], // OID

61
src/parse.rs
View File

@ -18,20 +18,21 @@ use byteorder::{ByteOrder, NetworkEndian};
use crate::tls_packet::*;
use crate::certificate::{
Certificate as Asn1DerCertificate,
Version as Asn1DerVersion,
AlgorithmIdentifier as Asn1DerAlgId,
Time as Asn1DerTime,
Validity as Asn1DerValidity,
SubjectPublicKeyInfo as Asn1DerSubjectPublicKeyInfo,
Extensions as Asn1DerExtensions,
Extension as Asn1DerExtension,
ExtensionValue as Asn1DerExtensionValue,
PolicyInformation as Asn1DerPolicyInformation,
TBSCertificate as Asn1DerTBSCertificate,
Name as Asn1DerName,
AttributeTypeAndValue as Asn1DerAttribute,
GeneralName as Asn1DerGeneralName,
Certificate as Asn1DerCertificate,
Version as Asn1DerVersion,
AlgorithmIdentifier as Asn1DerAlgId,
Time as Asn1DerTime,
Validity as Asn1DerValidity,
SubjectPublicKeyInfo as Asn1DerSubjectPublicKeyInfo,
Extensions as Asn1DerExtensions,
Extension as Asn1DerExtension,
ExtensionValue as Asn1DerExtensionValue,
PolicyInformation as Asn1DerPolicyInformation,
TBSCertificate as Asn1DerTBSCertificate,
Name as Asn1DerName,
AttributeTypeAndValue as Asn1DerAttribute,
GeneralName as Asn1DerGeneralName,
RelativeDistinguishedName as Asn1DerRDN,
};
use crate::oid;
@ -812,10 +813,10 @@ pub fn parse_asn1_der_oid(bytes: &[u8]) -> IResult<&[u8], &[u8]> {
// Parser for Name, applicable to issuer and subject field of TBS cert.
pub fn parse_asn1_der_name(bytes: &[u8]) -> IResult<&[u8], Asn1DerName> {
let (rest, mut rdn_sequence) = parse_asn1_der_sequence(bytes)?;
let mut attributes_vec: Vec<Asn1DerAttribute> = Vec::new();
let mut attributes_vec: Vec<Asn1DerRDN> = Vec::new();
while rdn_sequence.len() != 0 {
let (rem, attribute) = parse_asn1_der_attribute_type_and_value(
let (rem, attribute) = parse_asn1_der_relative_distinguished_name(
rdn_sequence
)?;
rdn_sequence = rem;
@ -830,19 +831,37 @@ pub fn parse_asn1_der_name(bytes: &[u8]) -> IResult<&[u8], Asn1DerName> {
))
}
// Parser for Relative Distinguished Name (RDN)
pub fn parse_asn1_der_relative_distinguished_name(bytes: &[u8]) -> IResult<&[u8], Asn1DerRDN> {
let (rest, mut attribute_set) = parse_asn1_der_set(bytes)?;
let mut attributes_vec: Vec<Asn1DerAttribute> = Vec::new();
while attribute_set.len() != 0 {
let (rem, attribute) = parse_asn1_der_attribute_type_and_value(
attribute_set
)?;
attribute_set = rem;
attributes_vec.push(attribute);
}
Ok((
rest,
Asn1DerRDN {
type_and_attributes: attributes_vec
}
))
}
// Parser for AttributeTypeAndValue struct, typically wrapped inside Name struct
pub fn parse_asn1_der_attribute_type_and_value(bytes: &[u8]) -> IResult<&[u8], Asn1DerAttribute> {
let (rest, set) = parse_asn1_der_set(bytes)?;
let (_, attribute) = complete(
parse_asn1_der_sequence
)(set)?;
let (rest, set) = parse_asn1_der_sequence(bytes)?;
let (_, (oid, (tag_val, _, value))) = complete(
tuple((
parse_asn1_der_oid,
parse_asn1_der_object
))
)(attribute)?;
)(set)?;
// Verify that tag_val is either "PrintableString or UTF8String"
if tag_val != 0x13 && tag_val != 0x0C {