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/*
* Copyright (C) 2014 Tobias Brunner
* 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 <errno.h>
#include "pki.h"
#include <credentials/certificates/x509.h>
#include <credentials/containers/pkcs12.h>
/**
* Show info about PKCS#12 container
*/
static int show(pkcs12_t *pkcs12)
{
enumerator_t *enumerator;
certificate_t *cert;
private_key_t *key;
int index = 1;
printf("Certificates:\n");
enumerator = pkcs12->create_cert_enumerator(pkcs12);
while (enumerator->enumerate(enumerator, &cert))
{
x509_t *x509 = (x509_t*)cert;
if (x509->get_flags(x509) & X509_CA)
{
printf("[%2d] \"%Y\" (CA)\n", index++, cert->get_subject(cert));
}
else
{
printf("[%2d] \"%Y\"\n", index++, cert->get_subject(cert));
}
}
enumerator->destroy(enumerator);
printf("Private keys:\n");
enumerator = pkcs12->create_key_enumerator(pkcs12);
while (enumerator->enumerate(enumerator, &key))
{
printf("[%2d] %N %d bits\n", index++, key_type_names,
key->get_type(key), key->get_keysize(key));
}
enumerator->destroy(enumerator);
return 0;
}
/**
* Handle PKCs#12 containers
*/
static int pkcs12()
{
char *arg, *file = NULL;
pkcs12_t *p12 = NULL;
int res = 1;
enum {
OP_NONE,
OP_LIST,
} op = OP_NONE;
while (TRUE)
{
switch (command_getopt(&arg))
{
case 'h':
return command_usage(NULL);
case 'i':
file = arg;
continue;
case 'l':
if (op != OP_NONE)
{
goto invalid;
}
op = OP_LIST;
continue;
case EOF:
break;
default:
invalid:
return command_usage("invalid --pkcs12 option");
}
break;
}
if (op != OP_LIST)
{
return command_usage(NULL);
}
if (file)
{
p12 = lib->creds->create(lib->creds, CRED_CONTAINER, CONTAINER_PKCS12,
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;
}
p12 = lib->creds->create(lib->creds, CRED_CONTAINER, CONTAINER_PKCS12,
BUILD_BLOB, chunk, BUILD_END);
free(chunk.ptr);
}
if (!p12)
{
fprintf(stderr, "reading input failed!\n");
goto end;
}
res = show(p12);
end:
if (p12)
{
p12->container.destroy(&p12->container);
}
return res;
}
/**
* Register the command.
*/
static void __attribute__ ((constructor))reg()
{
command_register((command_t) {
pkcs12, 'u', "pkcs12", "PKCS#12 functions",
{"--list [--in file]"},
{
{"help", 'h', 0, "show usage information"},
{"in", 'i', 1, "input file, default: stdin"},
{"list", 'l', 0, "list certificates and keys"},
}
});
}
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