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Code Issues Projects Releases Wiki Activity

Resolve #532

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This commit is contained in:
Romain Thomas 2021-01-23 20:52:55 +01:00
parent eb24a317fa
commit 8d20b9ba65
2 changed files with 46 additions and 2 deletions
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11
doc/sphinx/changelog.rst
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@ -1,6 +1,17 @@
Changelog
=========
0.12.0 - Not Released Yet
-------------------------
:PE:
:meth:`lief.PE.x509.is_trusted_by` and :meth:`lief.PE.x509.verify` now return
a better :attr:`lief.PE.x509.VERIFICATION_FLAGS` instead of just :attr:`lief.PE.x509.VERIFICATION_FLAGS.BADCERT_NOT_TRUSTED`
(see: :issue:`532`)
:MachO:
* Fix error on property :attr:`lief.MachO.BuildVersion.sdk` (see :issue:`533`)
.. _release-0110:
0.11.0 - Not Released

37
src/PE/signature/x509.cpp
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@ -65,6 +65,39 @@ namespace {
namespace LIEF {
namespace PE {
static const std::map<uint32_t, x509::VERIFICATION_FLAGS> MBEDTLS_ERR_TO_LIEF = {
{ MBEDTLS_X509_BADCERT_EXPIRED, x509::VERIFICATION_FLAGS::BADCERT_EXPIRED},
{ MBEDTLS_X509_BADCERT_REVOKED, x509::VERIFICATION_FLAGS::BADCERT_REVOKED},
{ MBEDTLS_X509_BADCERT_CN_MISMATCH, x509::VERIFICATION_FLAGS::BADCERT_CN_MISMATCH},
{ MBEDTLS_X509_BADCERT_NOT_TRUSTED, x509::VERIFICATION_FLAGS::BADCERT_NOT_TRUSTED},
{ MBEDTLS_X509_BADCRL_NOT_TRUSTED, x509::VERIFICATION_FLAGS::BADCRL_NOT_TRUSTED},
{ MBEDTLS_X509_BADCRL_EXPIRED, x509::VERIFICATION_FLAGS::BADCRL_EXPIRED},
{ MBEDTLS_X509_BADCERT_MISSING, x509::VERIFICATION_FLAGS::BADCERT_MISSING},
{ MBEDTLS_X509_BADCERT_SKIP_VERIFY, x509::VERIFICATION_FLAGS::BADCERT_SKIP_VERIFY},
{ MBEDTLS_X509_BADCERT_OTHER, x509::VERIFICATION_FLAGS::BADCERT_OTHER},
{ MBEDTLS_X509_BADCERT_FUTURE, x509::VERIFICATION_FLAGS::BADCERT_FUTURE},
{ MBEDTLS_X509_BADCRL_FUTURE, x509::VERIFICATION_FLAGS::BADCRL_FUTURE},
{ MBEDTLS_X509_BADCERT_KEY_USAGE, x509::VERIFICATION_FLAGS::BADCERT_KEY_USAGE},
{ MBEDTLS_X509_BADCERT_EXT_KEY_USAGE, x509::VERIFICATION_FLAGS::BADCERT_EXT_KEY_USAGE},
{ MBEDTLS_X509_BADCERT_NS_CERT_TYPE, x509::VERIFICATION_FLAGS::BADCERT_NS_CERT_TYPE},
{ MBEDTLS_X509_BADCERT_BAD_MD, x509::VERIFICATION_FLAGS::BADCERT_BAD_MD},
{ MBEDTLS_X509_BADCERT_BAD_PK, x509::VERIFICATION_FLAGS::BADCERT_BAD_PK},
{ MBEDTLS_X509_BADCERT_BAD_KEY, x509::VERIFICATION_FLAGS::BADCERT_BAD_KEY},
{ MBEDTLS_X509_BADCRL_BAD_MD, x509::VERIFICATION_FLAGS::BADCRL_BAD_MD},
{ MBEDTLS_X509_BADCRL_BAD_PK, x509::VERIFICATION_FLAGS::BADCRL_BAD_PK},
{ MBEDTLS_X509_BADCRL_BAD_KEY, x509::VERIFICATION_FLAGS::BADCRL_BAD_KEY},
};
inline x509::VERIFICATION_FLAGS from_mbedtls_err(uint32_t err) {
x509::VERIFICATION_FLAGS flags = x509::VERIFICATION_FLAGS::OK;
for (const auto& p : MBEDTLS_ERR_TO_LIEF) {
if ((err & p.first) == p.first) {
flags |= p.second;
}
}
return flags;
}
inline x509::date_t from_mbedtls(const mbedtls_x509_time& time) {
return {
time.year,
@ -431,7 +464,7 @@ x509::VERIFICATION_FLAGS x509::is_trusted_by(const std::vector<x509>& ca) const
std::string out(1024, 0);
mbedtls_x509_crt_verify_info(const_cast<char*>(out.data()), out.size(), "", flags);
LIEF_WARN("X509 verify failed with: {} (0x{:x})\n{}", strerr, ret, out);
result = VERIFICATION_FLAGS::BADCERT_NOT_TRUSTED;
result = from_mbedtls_err(flags);
}
// Clear the chain since ~x509() will delete each object
@ -471,7 +504,7 @@ x509::VERIFICATION_FLAGS x509::verify(const x509& ca) const {
std::string out(1024, 0);
mbedtls_x509_crt_verify_info(const_cast<char*>(out.data()), out.size(), "", flags);
LIEF_WARN("X509 verify failed with: {} (0x{:x})\n{}", strerr, ret, out);
result = VERIFICATION_FLAGS::BADCERT_NOT_TRUSTED;
result = from_mbedtls_err(flags);
}
return result;
}