diff options
Diffstat (limited to 'third_party/heimdal/kcm/renew.c')
| -rw-r--r-- | third_party/heimdal/kcm/renew.c | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/third_party/heimdal/kcm/renew.c b/third_party/heimdal/kcm/renew.c new file mode 100644 index 0000000..7b31965 --- /dev/null +++ b/third_party/heimdal/kcm/renew.c @@ -0,0 +1,133 @@ +/* + * Copyright (c) 2005, PADL Software Pty Ltd. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 3. Neither the name of PADL Software nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE 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 PADL SOFTWARE 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. + */ + +#include "kcm_locl.h" + +RCSID("$Id$"); + +krb5_error_code +kcm_ccache_refresh(krb5_context context, + kcm_ccache ccache, + krb5_creds **credp) +{ + krb5_error_code ret; + krb5_creds in, *out; + krb5_kdc_flags flags; + krb5_const_realm realm; + krb5_ccache_data ccdata; + const char *estr; + + memset(&in, 0, sizeof(in)); + + KCM_ASSERT_VALID(ccache); + + if (ccache->client == NULL) { + /* no primary principal */ + kcm_log(0, "Refresh credentials requested but no client principal"); + return KRB5_CC_NOTFOUND; + } + + HEIMDAL_MUTEX_lock(&ccache->mutex); + + /* Fake up an internal ccache */ + kcm_internal_ccache(context, ccache, &ccdata); + + /* Find principal */ + in.client = ccache->client; + + if (ccache->server != NULL) { + ret = krb5_copy_principal(context, ccache->server, &in.server); + if (ret) { + estr = krb5_get_error_message(context, ret); + kcm_log(0, "Failed to copy service principal: %s", + estr); + krb5_free_error_message(context, estr); + goto out; + } + } else { + realm = krb5_principal_get_realm(context, in.client); + ret = krb5_make_principal(context, &in.server, realm, + KRB5_TGS_NAME, realm, NULL); + if (ret) { + estr = krb5_get_error_message(context, ret); + kcm_log(0, "Failed to make TGS principal for realm %s: %s", + realm, estr); + krb5_free_error_message(context, estr); + goto out; + } + } + + if (ccache->tkt_life) + in.times.endtime = time(NULL) + ccache->tkt_life; + if (ccache->renew_life) + in.times.renew_till = time(NULL) + ccache->renew_life; + + flags.i = 0; + flags.b.renewable = TRUE; + flags.b.renew = TRUE; + + ret = krb5_get_kdc_cred(context, + &ccdata, + flags, + NULL, + NULL, + &in, + &out); + if (ret) { + estr = krb5_get_error_message(context, ret); + kcm_log(0, "Failed to renew credentials for cache %s: %s", + ccache->name, estr); + krb5_free_error_message(context, estr); + goto out; + } + + /* Swap them in */ + kcm_ccache_remove_creds_internal(context, ccache); + + ret = kcm_ccache_store_cred_internal(context, ccache, out, 0, credp); + if (ret) { + estr = krb5_get_error_message(context, ret); + kcm_log(0, "Failed to store credentials for cache %s: %s", + ccache->name, estr); + krb5_free_error_message(context, estr); + krb5_free_creds(context, out); + goto out; + } + + free(out); /* but not contents */ + +out: + HEIMDAL_MUTEX_unlock(&ccache->mutex); + + return ret; +} + |