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|
//! User Id packets.
//!
//! See [Section 5.11 of RFC 4880] for details.
//!
//! [Section 5.11 of RFC 4880]: https://tools.ietf.org/html/rfc4880#section-5.11
use sequoia_openpgp as openpgp;
use libc::{c_char, size_t};
use crate::error::Status;
use super::Packet;
use crate::RefRaw;
use crate::MoveIntoRaw;
/// Holds a UserID packet.
///
/// See [Section 5.11 of RFC 4880] for details.
///
/// [Section 5.11 of RFC 4880]: https://tools.ietf.org/html/rfc4880#section-5.11
///
/// Wraps [`sequoia-openpgp::packet::UserID`].
///
/// [`sequoia-openpgp::packet::UserID`]: ../../../sequoia_openpgp/packet/struct.UserID.html
#[crate::ffi_wrapper_type(prefix = "pgp_",
derive = "Clone, Debug, PartialEq")]
pub struct UserID(openpgp::packet::UserID);
/// Create a new User ID with the value `value`.
///
/// `value` need not be valid UTF-8, but it must be NUL terminated.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C"
fn pgp_user_id_new(value: *const c_char)
-> *mut Packet
{
let value : &[u8] = ffi_param_cstr!(value).to_bytes();
let packet : openpgp::Packet = openpgp::packet::UserID::from(value).into();
packet.move_into_raw()
}
/// Constructs a User ID.
///
/// This does a basic check and any necessary escaping to form a de
/// facto User ID. Only the address is required.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C"
fn pgp_user_id_from_address(
errp: Option<&mut *mut crate::error::Error>,
name: Option<&c_char>,
comment: Option<&c_char>,
address: *const c_char)
-> *mut Packet
{
ffi_make_fry_from_errp!(errp);
let name = if let Some(name) = name {
Some(ffi_try!(ffi_param_cstr!(name as *const c_char).to_str()))
} else {
None
};
let comment = if let Some(comment) = comment {
Some(ffi_try!(ffi_param_cstr!(comment as *const c_char).to_str()))
} else {
None
};
let address = ffi_try!(ffi_param_cstr!(address).to_str());
let packet : openpgp::Packet
= ffi_try!(openpgp::packet::UserID::from_address(name, comment,
address)).into();
packet.move_into_raw()
}
/// Constructs a User ID.
///
/// This does a basic check and any necessary escaping to form a de
/// facto User ID. The address is not checked.
///
/// This is useful when you want to specify a URI instead of an
/// email address.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C"
fn pgp_user_id_from_unchecked_address(
errp: Option<&mut *mut crate::error::Error>,
name: Option<&c_char>,
comment: Option<&c_char>,
address: *const c_char)
-> *mut Packet
{
ffi_make_fry_from_errp!(errp);
let name = if let Some(name) = name {
Some(ffi_try!(ffi_param_cstr!(name as *const c_char).to_str()))
} else {
None
};
let comment = if let Some(comment) = comment {
Some(ffi_try!(ffi_param_cstr!(comment as *const c_char).to_str()))
} else {
None
};
let address = ffi_try!(ffi_param_cstr!(address).to_str());
let packet : openpgp::Packet
= ffi_try!(openpgp::packet::UserID::from_unchecked_address(
name, comment, address)).into();
packet.move_into_raw()
}
/// Create a new User ID with the value `value`.
///
/// `value` need not be valid UTF-8.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C"
fn pgp_user_id_from_raw(value: *const u8, len: size_t)
-> *mut Packet
{
let value : &[u8] = unsafe { std::slice::from_raw_parts(value, len) };
let packet : openpgp::Packet = openpgp::packet::UserID::from(value).into();
packet.move_into_raw()
}
/// Returns the value of the User ID Packet.
///
/// The returned pointer is valid until `uid` is deallocated. If
/// `value_len` is not `NULL`, the size of value is stored there.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C"
fn pgp_user_id_value(uid: *const Packet, value_len: Option<&mut size_t>)
-> *const u8
{
if let &openpgp::Packet::UserID(ref uid) = uid.ref_raw() {
if let Some(p) = value_len {
*p = uid.value().len();
}
uid.value().as_ptr()
} else {
panic!("Not a UserID packet");
}
}
/// Returns the User ID's name component, if any.
///
/// The User ID is parsed according to de facto convention, and the
/// name component is extracted.
///
/// If the User ID cannot be parsed, then an error is returned.
///
/// If the User ID does not contain a name component, *namep is set to
/// NULL.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C"
fn pgp_user_id_name(
errp: Option<&mut *mut crate::error::Error>, uid: *const Packet,
namep: &mut *mut c_char)
-> Status
{
ffi_make_fry_from_errp!(errp);
let uid = uid.ref_raw();
if let &openpgp::Packet::UserID(ref uid) = uid {
match uid.name() {
Ok(Some(name)) =>
*namep = ffi_return_string!(name),
Ok(None) =>
*namep = ::std::ptr::null_mut(),
Err(err) => {
use crate::MoveIntoRaw;
let status = crate::error::Status::from(&err);
if let Some(errp) = errp {
*errp = err.move_into_raw();
}
return status;
}
}
} else {
panic!("Not a UserID packet");
}
Status::Success
}
/// Returns the User ID's comment field, if any.
///
/// The User ID is parsed according to de facto convention, and the
/// comment field is extracted.
///
/// If the User ID cannot be parsed, then an error is returned.
///
/// If the User ID does not contain a comment, *commentp is set
/// to NULL.
#[::sequoia_ffi_macros::extern_fn] #[no_mangle]
pub extern "C"
fn pgp_user_id_comment(
errp: Option<&mut *mut crate::error::Error>, uid: *const Packet,
commentp: &mut *mut c_char)
-> Status
{
ffi_make_fry_from_errp!(errp);
let uid = uid.ref_raw();
if let &openpgp::Packet::UserID(ref uid) = uid {
match uid.comment() {
Ok(Some(comment)) =>
*commentp = ffi_return_string!(comment),
Ok(None) =>
*commentp = ::std::ptr::null_mut
|