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/*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "signature.hpp"
namespace rnp {
Signature::Signature(const pgp::pkt::Signature &sigpkt)
: sig(sigpkt), sigid(sig.get_id()), raw(sigpkt)
{
}
bool
Signature::is_cert() const
{
switch (sig.type()) {
case PGP_CERT_CASUAL:
case PGP_CERT_GENERIC:
case PGP_CERT_PERSONA:
case PGP_CERT_POSITIVE:
return true;
default:
return false;
}
}
bool
Signature::is_revocation() const
{
switch (sig.type()) {
case PGP_SIG_REV_KEY:
case PGP_SIG_REV_SUBKEY:
case PGP_SIG_REV_CERT:
return true;
default:
return false;
}
}
bool
Signature::expired(uint64_t at) const
{
/* sig expiration: absence of subpkt or 0 means it never expires */
uint64_t expiration = sig.expiration();
if (!expiration) {
return false;
}
return expiration + sig.creation() < at;
}
static const id_str_pair revocation_code_map[] = {
{PGP_REVOCATION_NO_REASON, "No reason specified"},
{PGP_REVOCATION_SUPERSEDED, "Key is superseded"},
{PGP_REVOCATION_COMPROMISED, "Key material has been compromised"},
{PGP_REVOCATION_RETIRED, "Key is retired and no longer used"},
{PGP_REVOCATION_NO_LONGER_VALID, "User ID information is no longer valid"},
{0x00, NULL},
};
Revocation::Revocation(Signature &sig) : uid(sig.uid), sigid(sig.sigid)
{
if (!sig.sig.has_subpkt(PGP_SIG_SUBPKT_REVOCATION_REASON)) {
RNP_LOG("Warning: no revocation reason in the revocation");
code = PGP_REVOCATION_NO_REASON;
} else {
code = sig.sig.revocation_code();
reason = sig.sig.revocation_reason();
}
if (reason.empty()) {
reason = id_str_pair::lookup(revocation_code_map, code);
}
}
} // namespace rnp