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rewrite Nid::{long_name,short_name} to return Results instead of Options

This commit is contained in:
Marco Huenseler 2018-05-28 11:57:59 +02:00
parent b8de619fbe
commit 2977f6ed30
1 changed files with 22 additions and 29 deletions
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51
openssl/src/nid.rs
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@ -1,11 +1,14 @@
//! A collection of numerical identifiers for OpenSSL objects.
use ffi;
use libc::c_int;
use libc::{c_int,c_char};
use std::ptr;
use std::ffi::CStr;
use std::str;
use error::ErrorStack;
use cvt_p;
/// A numerical identifier for an OpenSSL object.
///
/// Objects in OpenSSL can have a short name, a long name, and
@ -64,15 +67,10 @@ impl Nid {
/// This corresponds to [`OBJ_nid2ln`]
///
/// [`OBJ_nid2ln`]: https://www.openssl.org/docs/man1.1.0/crypto/OBJ_nid2ln.html
pub fn to_long_name(&self) -> Option<&'static str> {
pub fn long_name(&self) -> Result<&'static str, ErrorStack> {
unsafe {
let s = ffi::OBJ_nid2ln(self.0);
if s.is_null() {
None
}
else {
Some(str::from_utf8(CStr::from_ptr(s).to_bytes()).unwrap())
}
cvt_p(ffi::OBJ_nid2ln(self.0) as *mut c_char)
.map(|nameptr| str::from_utf8(CStr::from_ptr(nameptr).to_bytes()).unwrap())
}
}
@ -80,15 +78,10 @@ impl Nid {
/// This corresponds to [`OBJ_nid2sn`]
///
/// [`OBJ_nid2sn`]: https://www.openssl.org/docs/man1.1.0/crypto/OBJ_nid2sn.html
pub fn to_short_name(&self) -> Option<&'static str> {
pub fn short_name(&self) -> Result<&'static str, ErrorStack> {
unsafe {
let s = ffi::OBJ_nid2sn(self.0);
if s.is_null() {
None
}
else {
Some(str::from_utf8(CStr::from_ptr(s).to_bytes()).unwrap())
}
cvt_p(ffi::OBJ_nid2sn(self.0) as *mut c_char)
.map(|nameptr| str::from_utf8(CStr::from_ptr(nameptr).to_bytes()).unwrap())
}
}
@ -1063,12 +1056,12 @@ mod test {
let ms_ctl_sign = Nid::MS_CTL_SIGN;
let undefined_nid = Nid::from_raw(118);
assert_eq!(common_name.to_long_name(), Some("commonName"));
assert_eq!(organizational_unit_name.to_long_name(), Some("organizationalUnitName"));
assert_eq!(aes256_cbc_hmac_sha1.to_long_name(), Some("aes-256-cbc-hmac-sha1"));
assert_eq!(id_cmc_lrapopwitness.to_long_name(), Some("id-cmc-lraPOPWitness"));
assert_eq!(ms_ctl_sign.to_long_name(), Some("Microsoft Trust List Signing"));
assert_eq!(undefined_nid.to_long_name(), None);
assert_eq!(common_name.long_name().unwrap(), "commonName");
assert_eq!(organizational_unit_name.long_name().unwrap(), "organizationalUnitName");
assert_eq!(aes256_cbc_hmac_sha1.long_name().unwrap(), "aes-256-cbc-hmac-sha1");
assert_eq!(id_cmc_lrapopwitness.long_name().unwrap(), "id-cmc-lraPOPWitness");
assert_eq!(ms_ctl_sign.long_name().unwrap(), "Microsoft Trust List Signing");
assert!(undefined_nid.long_name().is_err(), "undefined_nid should not return a valid value");
}
#[test]
@ -1080,11 +1073,11 @@ mod test {
let ms_ctl_sign = Nid::MS_CTL_SIGN;
let undefined_nid = Nid::from_raw(118);
assert_eq!(common_name.to_short_name(), Some("CN"));
assert_eq!(organizational_unit_name.to_short_name(), Some("OU"));
assert_eq!(aes256_cbc_hmac_sha1.to_short_name(), Some("AES-256-CBC-HMAC-SHA1"));
assert_eq!(id_cmc_lrapopwitness.to_short_name(), Some("id-cmc-lraPOPWitness"));
assert_eq!(ms_ctl_sign.to_short_name(), Some("msCTLSign"));
assert_eq!(undefined_nid.to_long_name(), None);
assert_eq!(common_name.short_name().unwrap(), "CN");
assert_eq!(organizational_unit_name.short_name().unwrap(), "OU");
assert_eq!(aes256_cbc_hmac_sha1.short_name().unwrap(), "AES-256-CBC-HMAC-SHA1");
assert_eq!(id_cmc_lrapopwitness.short_name().unwrap(), "id-cmc-lraPOPWitness");
assert_eq!(ms_ctl_sign.short_name().unwrap(), "msCTLSign");
assert!(undefined_nid.short_name().is_err(), "undefined_nid should not return a valid value");
}
}