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ircd::openssl: Utils dealing with ASN1/X509 time related.

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This commit is contained in:
Jason Volk 2018-03-12 11:12:38 -07:00
parent 973f02360c
commit ed0a62701d
2 changed files with 32 additions and 0 deletions
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2
include/ircd/openssl.h
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@ -96,6 +96,8 @@ namespace ircd::openssl
string_view print_subject(const mutable_buffer &buf, const X509 &, ulong flags = -1);
string_view print_subject(const mutable_buffer &buf, const string_view &pem, ulong flags = -1);
string_view subject_common_name(const mutable_buffer &out, const X509 &);
time_t not_before(const X509 &);
time_t not_after(const X509 &);
const X509 &peer_cert(const SSL &);
X509 &peer_cert(SSL &);

30
ircd/openssl.cc
View file

@ -42,6 +42,7 @@ namespace ircd::openssl
namespace ircd::openssl
{
time_t get_time(const ASN1_TIME &);
using x509_name_entry_closure = std::function<bool (const string_view &, const string_view &)>;
bool until(const X509_NAME &name, const x509_name_entry_closure &);
void append(X509_NAME &name, const string_view &key, const string_view &val);
@ -363,6 +364,22 @@ ircd::openssl::until(const X509_NAME &name_,
return true;
}
time_t
ircd::openssl::not_before(const X509 &cert_)
{
auto &cert{const_cast<X509 &>(cert_)};
ASN1_TIME *const notBefore{X509_get_notBefore(&cert)};
return get_time(*notBefore);
}
time_t
ircd::openssl::not_after(const X509 &cert_)
{
auto &cert{const_cast<X509 &>(cert_)};
ASN1_TIME *const notAfter{X509_get_notAfter(&cert)};
return get_time(*notAfter);
}
ircd::string_view
ircd::openssl::subject_common_name(const mutable_buffer &out,
const X509 &cert)
@ -533,6 +550,19 @@ ircd::openssl::i2d(const mutable_buffer &buf,
return ret;
}
time_t
ircd::openssl::get_time(const ASN1_TIME &t)
{
int pday, psec;
ASN1_TIME_diff(&pday, &psec, nullptr, &t);
const time_t sec
{
pday * 60L * 60L * 24L + psec
};
return ircd::time() + sec;
}
//
// EC
//