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/*
* Copyright (C) 2010 Martin Willi
* Copyright (C) 2010 revosec AG
*
* Copyright (C) 2015 Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include "pki.h"
#include <credentials/certificates/certificate.h>
#include <credentials/certificates/certificate_printer.h>
#include <errno.h>
/**
* Print private key information
*/
static void print_key(private_key_t *key)
{
public_key_t *public;
chunk_t chunk;
public = key->get_public_key(key);
if (public)
{
printf(" privkey: %N %d bits\n", key_type_names,
public->get_type(public), public->get_keysize(public));
if (public->get_fingerprint(public, KEYID_PUBKEY_INFO_SHA1, &chunk))
{
printf(" keyid: %#B\n", &chunk);
}
if (public->get_fingerprint(public, KEYID_PUBKEY_SHA1, &chunk))
{
printf(" subjkey: %#B\n", &chunk);
}
public->destroy(public);
}
else
{
printf("extracting public from private key failed\n");
}
}
/**
* Print a credential in a human readable form
*/
static int print()
{
credential_type_t type = CRED_CERTIFICATE;
int subtype = CERT_X509;
void *cred;
char *arg, *file = NULL;
while (TRUE)
{
switch (command_getopt(&arg))
{
case 'h':
return command_usage(NULL);
case 't':
if (streq(arg, "x509"))
{
type = CRED_CERTIFICATE;
subtype = CERT_X509;
}
else if (streq(arg, "crl"))
{
type = CRED_CERTIFICATE;
subtype = CERT_X509_CRL;
}
else if (streq(arg, "ac"))
{
type = CRED_CERTIFICATE;
subtype = CERT_X509_AC;
}
else if (streq(arg, "pub"))
{
type = CRED_CERTIFICATE;
subtype = CERT_TRUSTED_PUBKEY;
}
else if (streq(arg, "priv"))
{
type = CRED_PRIVATE_KEY;
subtype = KEY_ANY;
}
else if (streq(arg, "rsa") ||
streq(arg, "rsa-priv"))
{
type = CRED_PRIVATE_KEY;
subtype = KEY_RSA;
}
else if (streq(arg, "ecdsa") ||
streq(arg, "ecdsa-priv"))
{
type = CRED_PRIVATE_KEY;
subtype = KEY_ECDSA;
}
else if (streq(arg, "bliss") ||
streq(arg, "bliss-priv"))
{
type = CRED_PRIVATE_KEY;
subtype = KEY_BLISS;
}
else
{
return command_usage( "invalid input type");
}
continue;
case 'i':
file = arg;
continue;
case EOF:
break;
default:
return command_usage("invalid --print option");
}
break;
}
if (file)
{
cred = lib->creds->create(lib->creds, type, subtype,
BUILD_FROM_FILE, file, BUILD_END);
}
else
{
chunk_t chunk;
set_file_mode(stdin, CERT_ASN1_DER);
if (!chunk_from_fd(0, &chunk))
{
fprintf(stderr, "reading input failed: %s\n", strerror(errno));
return 1;
}
cred = lib->creds->create(lib->creds, type, subtype,
BUILD_BLOB, chunk, BUILD_END);
free(chunk.ptr);
}
if (!cred)
{
fprintf(stderr, "parsing input failed\n");
return 1;
}
if (type == CRED_CERTIFICATE)
{
certificate_t *cert = (certificate_t*)cred;
certificate_printer_t *printer;
printer = certificate_printer_create(stdout, TRUE, FALSE);
printer->print(printer, cert, FALSE);
printer->destroy(printer);
cert->destroy(cert);
}
if (type == CRED_PRIVATE_KEY)
{
private_key_t *key = (private_key_t*)cred;
print_key(key);
key->destroy(key);
}
return 0;
}
/**
* Register the command.
*/
static void __attribute__ ((constructor))reg()
{
command_register((command_t)
{ print, 'a', "print",
"print a credential in a human readable form",
{"[--in file] [--type x509|crl|ac|pub|priv|rsa|ecdsa|bliss]"},
{
{"help", 'h', 0, "show usage information"},
{"in", 'i', 1, "input file, default: stdin"},
{"type", 't', 1, "type of credential, default: x509"},
}
});
}
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