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sm: Print Yubikey attestation extensions with --dump-cert.

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* sm/keylist.c (oidtranstbl): Add Yubikey OIDs.
(OID_FLAG_HEX): New.
(print_hex_extn): New.
(list_cert_raw): Make use of that flag.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-03-01 15:23:49 +01:00
parent 51df13d9ec
commit 86c241a8c9
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 37 additions and 3 deletions
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40
sm/keylist.c
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@ -85,6 +85,8 @@ struct
#define OID_FLAG_SKIP 1
/* The extension is a simple UTF8String and should be printed. */
#define OID_FLAG_UTF8 2
/* The extension can be trnted as a hex string. */
#define OID_FLAG_HEX 4
/* A table mapping OIDs to a descriptive string. */
static struct
@ -194,6 +196,12 @@ static struct
/* Extensions used by the Bundesnetzagentur. */
{ "1.3.6.1.4.1.8301.3.5", "validityModel" },
/* Yubikey extensions for attestation certificates. */
{ "1.3.6.1.4.1.41482.3.3", "yubikey-firmware-version", OID_FLAG_HEX },
{ "1.3.6.1.4.1.41482.3.7", "yubikey-serial-number", OID_FLAG_HEX },
{ "1.3.6.1.4.1.41482.3.8", "yubikey-pin-touch-policy", OID_FLAG_HEX },
{ "1.3.6.1.4.1.41482.3.9", "yubikey-formfactor", OID_FLAG_HEX },
{ NULL }
};
@ -723,6 +731,21 @@ print_utf8_extn (estream_t fp, int indent,
}
/* Print the extension described by (DER,DERLEN) in hex. */
static void
print_hex_extn (estream_t fp, int indent,
const unsigned char *der, size_t derlen)
{
if (indent < 0)
indent = - indent;
es_fprintf (fp, "%*s(", indent, "");
for (; derlen; der++, derlen--)
es_fprintf (fp, "%02X%s", *der, derlen > 1? " ":"");
es_fprintf (fp, ")\n");
}
/* List one certificate in raw mode useful to have a closer look at
the certificate. This one does no beautification and only minimal
output sanitation. It is mainly useful for debugging. */
@ -1060,16 +1083,27 @@ list_cert_raw (ctrl_t ctrl, KEYDB_HANDLE hd,
if ((flag & OID_FLAG_SKIP))
continue;
es_fprintf (fp, " %s: %s%s%s%s [%d octets]\n",
es_fprintf (fp, " %s: %s%s%s%s",
i? "critExtn":" extn",
oid, s?" (":"", s?s:"", s?")":"", (int)len);
oid, s?" (":"", s?s:"", s?")":"");
if ((flag & OID_FLAG_UTF8))
{
if (!cert_der)
cert_der = ksba_cert_get_image (cert, NULL);
assert (cert_der);
log_assert (cert_der);
es_fprintf (fp, "\n");
print_utf8_extn_raw (fp, -15, cert_der+off, len);
}
else if ((flag & OID_FLAG_HEX))
{
if (!cert_der)
cert_der = ksba_cert_get_image (cert, NULL);
log_assert (cert_der);
es_fprintf (fp, "\n");
print_hex_extn (fp, -15, cert_der+off, len);
}
else
es_fprintf (fp, " [%d octets]\n", (int)len);
}