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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* tests/hist.c - Perform unusual operations on history keys */
/*
* Copyright (C) 2012 by the Massachusetts Institute of Technology.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This program is invoked from t_pwhist.py to simulate some conditions
* normally only seen in databases created before krb5 1.3. With the "make"
* argument, the history key is rolled over to a kvno containing two keys
* (since krb5 1.3 we ordinarily ensure that there's only one). With the
* "swap" argument, the two history keys are swapped in order; we use this
* operation to simulate the case where krb5 1.7 or earlier chose something
* other than the first history key to create pasword history entries.
*/
#include <k5-int.h>
#include <kadm5/admin.h>
static void
check(krb5_error_code ret)
{
if (ret) {
fprintf(stderr, "Unexpected failure, aborting\n");
abort();
}
}
int
main(int argc, char **argv)
{
krb5_context ctx;
krb5_db_entry *ent;
krb5_principal hprinc;
kadm5_principal_ent_rec kent;
krb5_key_salt_tuple ks[2];
krb5_key_data kd;
kadm5_config_params params = { 0 };
void *handle;
char *realm;
long mask = KADM5_PRINCIPAL | KADM5_MAX_LIFE | KADM5_ATTRIBUTES;
check(kadm5_init_krb5_context(&ctx));
check(krb5_parse_name(ctx, "kadmin/history", &hprinc));
check(krb5_get_default_realm(ctx, &realm));
params.mask |= KADM5_CONFIG_REALM;
params.realm = realm;
check(kadm5_init(ctx, "user", "", "", ¶ms, KADM5_STRUCT_VERSION,
KADM5_API_VERSION_4, NULL, &handle));
if (strcmp(argv[1], "make") == 0) {
memset(&kent, 0, sizeof(kent));
kent.principal = hprinc;
kent.max_life = KRB5_KDB_DISALLOW_ALL_TIX;
kent.attributes = 0;
ks[0].ks_enctype = ENCTYPE_AES256_CTS_HMAC_SHA1_96;
ks[0].ks_salttype = KRB5_KDB_SALTTYPE_NORMAL;
ks[1].ks_enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;
ks[1].ks_salttype = KRB5_KDB_SALTTYPE_NORMAL;
check(kadm5_create_principal_3(handle, &kent, mask, 2, ks, NULL));
} else if (strcmp(argv[1], "swap") == 0) {
check(krb5_db_get_principal(ctx, hprinc, 0, &ent));
kd = ent->key_data[0];
ent->key_data[0] = ent->key_data[1];
ent->key_data[1] = kd;
check(krb5_db_put_principal(ctx, ent));
krb5_db_free_principal(ctx, ent);
}
krb5_free_default_realm(ctx, realm);
kadm5_destroy(handle);
krb5_free_principal(ctx, hprinc);
krb5_free_context(ctx);
return 0;
}
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