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refactor: clean comments and docstring

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Florian Briand 2024-08-02 22:58:32 +02:00 committed by theo
parent 160dcc9249
commit 8b4fe4fd10
Signed by: theo
SSH Key Fingerprint: SHA256:IbehMhSwpXrGUj7vj9iVvfdwe3g09IL9KLUz0zFzcXU
5 changed files with 38 additions and 52 deletions
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40
crates/sesam-vitale/src/cps.rs
View File

@ -2,13 +2,6 @@ use libc::{c_void, size_t};
use std::ffi::CString;
use std::ptr;
/*
1. CB = Caractères Binaires »
2. CE = Caractères « Etendus » (ISO 8859-1)
3. CA = Caractères Alphanumériques (ASCII?)
4. CN = Caractères Numériques
*/
use crate::libssv::SSV_LireCartePS;
use crate::ssv_memory::{decode_ssv_memory, Block};
@ -18,6 +11,10 @@ pub struct CartePS {
situations: Vec<SituationPS>,
}
// 1. CB = Caractères Binaires »
// 2. CE = Caractères « Etendus » (ISO 8859-1)
// 3. CA = Caractères Alphanumériques (ASCII?)
// 4. CN = Caractères Numériques
#[derive(Debug, Default)]
struct TitulairePS {
type_de_carte_ps: String, // CN
@ -261,20 +258,21 @@ mod test_decode_carte_ps {
#[test]
fn test_francoise_pharmacien0052419() {
let bytes: &[u8] = &[
0, 1, 51, // 3
1, 48, // 2
1, 56, // 2
11, 57, 57, 55, 48, 48, 53, 50, 52, 49, 57, 52, // 12
1, 52, // 2
2, 50, 50, // 3
17, 80, 72, 65, 82, 77, 65, 67, 73, 69, 78, 48, 48, 53, 50, 52, 49, 57, // 18
9, 70, 82, 65, 78, 67, 79, 73, 83, 69, // 10
1, 84, // 2
// total: 54
0, 2, 83, 1, 1, 1, 48, 1, 49, 2, 56, 54, 1, 49, 9, 48, 66, 48, 50, 50, 49, 57, 53, 56,
1, 56, 24, 80, 72, 65, 82, 77, 65, 67, 73, 69, 32, 68, 85, 32, 67, 69, 78, 84, 82, 69,
50, 50, 49, 57, 53, 8, 48, 48, 50, 48, 50, 52, 49, 57, 1, 56, 0, 1, 48, 1, 49, 2, 53,
48, 2, 49, 48, 2, 48, 48, 1, 48, 1, 48, 1, 48, 1, 49, 1, 49,
0, 1, 51, // Block 01, Content size 51
1, 48, // Field 01, Content size 1
1, 56, // Field 02, Content size 1
11, 57, 57, 55, 48, 48, 53, 50, 52, 49, 57, 52, // Field 03, Content size 11
1, 52, // Field 04, Content size 1
2, 50, 50, // Field 05, Content size 2
17, 80, 72, 65, 82, 77, 65, 67, 73, 69, 78, 48, 48, 53, 50, 52, 49,
57, // Field 06, Content size 17
9, 70, 82, 65, 78, 67, 79, 73, 83, 69, // Field 07, Content size 9
1, 84, // Field 08, Content size 1
0, 2, 83, // Block 02, Content size 83
1, 1, 1, 48, 1, 49, 2, 56, 54, 1, 49, 9, 48, 66, 48, 50, 50, 49, 57, 53, 56, 1, 56, 24,
80, 72, 65, 82, 77, 65, 67, 73, 69, 32, 68, 85, 32, 67, 69, 78, 84, 82, 69, 50, 50, 49,
57, 53, 8, 48, 48, 50, 48, 50, 52, 49, 57, 1, 56, 0, 1, 48, 1, 49, 2, 53, 48, 2, 49,
48, 2, 48, 48, 1, 48, 1, 48, 1, 48, 1, 49, 1, 49,
];
let blocks = decode_ssv_memory(bytes, bytes.len());
let carte_ps = decode_carte_ps(blocks);

12
crates/sesam-vitale/src/libssv.rs
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@ -1,9 +1,7 @@
/**
* libssv.rs
*
* Low level bindings to the SSVLIB dynamic library.
* TODO : look for creating a dedicated *-sys crate : https://kornel.ski/rust-sys-crate
*/
/// libssv.rs
///
/// Low level bindings to the SSVLIB dynamic library.
// TODO : look for creating a dedicated *-sys crate : https://kornel.ski/rust-sys-crate
use libc::{c_char, c_ushort, c_void, size_t};
#[cfg_attr(target_os = "linux", link(name = "ssvlux64"))]
@ -22,4 +20,4 @@ extern "C" {
TTailleDonneesSortie: *mut size_t,
) -> c_ushort;
}
/* TODO : replace void* by Rust struct : https://doc.rust-lang.org/nomicon/ffi.html#representing-opaque-structs */
// TODO : replace void* by Rust struct : https://doc.rust-lang.org/nomicon/ffi.html#representing-opaque-structs

1
crates/sesam-vitale/src/main.rs
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@ -5,5 +5,4 @@ mod ssvlib_demo;
fn main() {
ssvlib_demo::demo();
// XXX
}

13
crates/sesam-vitale/src/ssv_memory.rs
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@ -1,30 +1,27 @@
/// # SSV Memory
/// Provide functions to manipulate raw memory from SSV library.
///
use std::convert::TryFrom;
// TODO : Est-ce qu'on pourrait/devrait définir un type custom pour représenter les tableaux de bytes ?
#[derive(PartialEq, Debug)]
struct ElementSize {
pub size: usize,
pub pad: usize,
}
// TODO : Est-ce qu'on pourrait/devrait définir un type custom pour représenter les tableaux de bytes ?
impl TryFrom<&[u8]> for ElementSize {
type Error = &'static str;
fn try_from(bytes: &[u8]) -> Result<Self, Self::Error> {
/* Longueur:
* - si le bit de poids fort du premier octet est à 0, la longueur est codée sur un octet
* - si le bit de poids fort du premier octet est à 1, les 7 bits de poids faible codent le nombre d'octets utilisés pour coder la longueur
*/
if bytes.is_empty() {
return Err("Empty bytes input");
}
let mut element_size = ElementSize { size: 0, pad: 1 };
// Longueur:
// - si le bit de poids fort du premier octet est à 0, la longueur est codée sur un octet
// - si le bit de poids fort du premier octet est à 1, les 7 bits de poids faible codent le nombre d'octets utilisés pour coder la longueur
if bytes[0] & 0b1000_0000 == 0 {
// Size coded on 1 byte
element_size.size = bytes[0] as usize;

24
crates/sesam-vitale/src/ssvlib_demo.rs
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@ -1,16 +1,11 @@
/// High level API for the SSV library,
/// based on the low level bindings in libssv.rs.
extern crate dotenv;
use libc::{c_void, size_t};
/**
* High level API for the SSV library,
* based on the low level bindings in libssv.rs.
*
*/
use std::path::PathBuf;
use std::ffi::CString;
use std::ptr;
use std::env;
use std::ffi::CString;
use std::path::PathBuf;
use std::ptr;
use crate::cps::lire_carte;
use crate::libssv::{SSV_InitLIB2, SSV_LireConfig};
@ -44,17 +39,16 @@ fn ssv_lire_config() {
}
pub fn demo() {
/*
* TODO : this is probably not working on release, because I'm not sure it exists a CARGO_MANIFEST_DIR and so it can find the `.env`
* Maybe we could use a system standard config path to store a config file
*/
// TODO : this is probably not working on release, because I'm not sure it exists a CARGO_MANIFEST_DIR and so it can find the `.env`
// Maybe we could use a system standard config path to store a config file
let manifest_dir = env::var("CARGO_MANIFEST_DIR").unwrap();
let manifest_path = PathBuf::from(manifest_dir);
dotenv::from_path(manifest_path.join(".env")).ok();
println!("------- Demo for the SSV library 2 --------");
println!("------- Demo for the SSV library --------");
ssv_init_lib_2();
let code_pin = "1234";
let lecteur = "HID Global OMNIKEY 3x21 Smart Card Reader 0";
let carte_ps = lire_carte(code_pin, lecteur);