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use ffi;
use foreign_types::{ForeignType, ForeignTypeRef};
use libc::{c_long, c_char};
use std::fmt;
use std::ptr;
use std::slice;
use std::str;
use {cvt, cvt_p};
use bio::MemBio;
use error::ErrorStack;
use string::OpensslString;
foreign_type! {
type CType = ffi::ASN1_GENERALIZEDTIME;
fn drop = ffi::ASN1_GENERALIZEDTIME_free;
pub struct Asn1GeneralizedTime;
pub struct Asn1GeneralizedTimeRef;
}
impl fmt::Display for Asn1GeneralizedTimeRef {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
unsafe {
let mem_bio = try!(MemBio::new());
try!(cvt(ffi::ASN1_GENERALIZEDTIME_print(mem_bio.as_ptr(), self.as_ptr())));
write!(f, "{}", str::from_utf8_unchecked(mem_bio.get_buf()))
}
}
}
foreign_type! {
type CType = ffi::ASN1_TIME;
fn drop = ffi::ASN1_TIME_free;
pub struct Asn1Time;
pub struct Asn1TimeRef;
}
impl fmt::Display for Asn1TimeRef {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
unsafe {
let mem_bio = try!(MemBio::new());
try!(cvt(ffi::ASN1_TIME_print(mem_bio.as_ptr(), self.as_ptr())));
write!(f, "{}", str::from_utf8_unchecked(mem_bio.get_buf()))
}
}
}
impl Asn1Time {
fn from_period(period: c_long) -> Result<Asn1Time, ErrorStack> {
ffi::init();
unsafe {
let handle = try!(cvt_p(ffi::X509_gmtime_adj(ptr::null_mut(), period)));
Ok(Asn1Time::from_ptr(handle))
}
}
/// Creates a new time on specified interval in days from now
pub fn days_from_now(days: u32) -> Result<Asn1Time, ErrorStack> {
Asn1Time::from_period(days as c_long * 60 * 60 * 24)
}
}
foreign_type! {
type CType = ffi::ASN1_STRING;
fn drop = ffi::ASN1_STRING_free;
pub struct Asn1String;
pub struct Asn1StringRef;
}
impl Asn1StringRef {
pub fn as_utf8(&self) -> Result<OpensslString, ErrorStack> {
unsafe {
let mut ptr = ptr::null_mut();
let len = ffi::ASN1_STRING_to_UTF8(&mut ptr, self.as_ptr());
if len < 0 {
return Err(ErrorStack::get());
}
Ok(OpensslString::from_ptr(ptr as *mut c_char))
}
}
pub fn as_slice(&self) -> &[u8] {
unsafe { slice::from_raw_parts(ASN1_STRING_data(self.as_ptr()), self.len()) }
}
pub fn len(&self) -> usize {
unsafe { ffi::ASN1_STRING_length(self.as_ptr()) as usize }
}
}
#[cfg(any(ossl101, ossl102))]
use ffi::ASN1_STRING_data;
#[cfg(ossl110)]
#[allow(bad_style)]
unsafe fn ASN1_STRING_data(s: *mut ffi::ASN1_STRING) -> *mut ::libc::c_uchar {
ffi::ASN1_STRING_get0_data(s) as *mut _
}
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