diff options
Diffstat (limited to 'third_party/heimdal/lib/gssapi/krb5/copy_ccache.c')
| -rw-r--r-- | third_party/heimdal/lib/gssapi/krb5/copy_ccache.c | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/gssapi/krb5/copy_ccache.c b/third_party/heimdal/lib/gssapi/krb5/copy_ccache.c new file mode 100644 index 0000000..fc0b9b1 --- /dev/null +++ b/third_party/heimdal/lib/gssapi/krb5/copy_ccache.c @@ -0,0 +1,200 @@ +/* + * Copyright (c) 2000 - 2001, 2003 Kungliga Tekniska Högskolan + * (Royal Institute of Technology, Stockholm, Sweden). + * 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 the Institute 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 THE INSTITUTE 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 INSTITUTE 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 "gsskrb5_locl.h" + +#if 0 +OM_uint32 +gss_krb5_copy_ccache(OM_uint32 *minor_status, + krb5_context context, + gss_cred_id_t cred, + krb5_ccache out) +{ + krb5_error_code kret; + + HEIMDAL_MUTEX_lock(&cred->cred_id_mutex); + + if (cred->ccache == NULL) { + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + + kret = krb5_cc_copy_cache(context, cred->ccache, out); + HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex); + if (kret) { + *minor_status = kret; + return GSS_S_FAILURE; + } + *minor_status = 0; + return GSS_S_COMPLETE; +} +#endif + + +/* + * WARNING: Takes ownership of `id'. Because MEMORY:anonymous is now not + * linked into to the MEMORY ccache namespace, we can't use krb5_cc_resolve() + * with the cache's name anymore. We need a krb5_cc_clone() or some such, with + * attendant new method for ccops. Or we could create a new MEMORY:anonymous + * ccache and copy all the creds from `id' into it. But we know callers of + * this function don't need `id' after calling it, so for now we'll just take + * ownershipd of it. + */ +OM_uint32 +_gsskrb5_krb5_import_cred(OM_uint32 *minor_status, + krb5_ccache *id, + krb5_principal keytab_principal, + krb5_keytab keytab, + gss_cred_id_t *cred) +{ + krb5_context context; + krb5_error_code kret; + gsskrb5_cred handle; + OM_uint32 ret; + int id_given = (*id != NULL); + + *cred = NULL; + + GSSAPI_KRB5_INIT (&context); + + handle = calloc(1, sizeof(*handle)); + if (handle == NULL) { + _gsskrb5_clear_status (); + *minor_status = ENOMEM; + return (GSS_S_FAILURE); + } + HEIMDAL_MUTEX_init(&handle->cred_id_mutex); + + handle->usage = 0; + handle->destination_realm = NULL; + + if (*id) { + time_t now; + OM_uint32 left; + + handle->usage |= GSS_C_INITIATE; + + kret = krb5_cc_get_principal(context, *id, + &handle->principal); + if (kret) { + free(handle); + *minor_status = kret; + return GSS_S_FAILURE; + } + + if (keytab_principal) { + krb5_boolean match; + + match = krb5_principal_compare(context, + handle->principal, + keytab_principal); + if (match == FALSE) { + krb5_free_principal(context, handle->principal); + free(handle); + _gsskrb5_clear_status (); + *minor_status = EINVAL; + return GSS_S_FAILURE; + } + } + + krb5_timeofday(context, &now); + ret = __gsskrb5_ccache_lifetime(minor_status, + context, + *id, + handle->principal, + &left); + if (ret != GSS_S_COMPLETE) { + krb5_free_principal(context, handle->principal); + free(handle); + return ret; + } + handle->endtime = now + left; + + handle->ccache = *id; + *id = NULL; + } + + + if (keytab) { + char *str; + + handle->usage |= GSS_C_ACCEPT; + + if (keytab_principal && handle->principal == NULL) { + kret = krb5_copy_principal(context, + keytab_principal, + &handle->principal); + if (kret) + goto out; + } + + kret = krb5_kt_get_full_name(context, keytab, &str); + if (kret) + goto out; + + kret = krb5_kt_resolve(context, str, &handle->keytab); + free(str); + if (kret) + goto out; + } + + + if (id_given || keytab) { + ret = gss_create_empty_oid_set(minor_status, &handle->mechanisms); + if (ret == GSS_S_COMPLETE) + ret = gss_add_oid_set_member(minor_status, GSS_KRB5_MECHANISM, + &handle->mechanisms); + if (ret != GSS_S_COMPLETE) { + kret = *minor_status; + goto out; + } + } + + *minor_status = 0; + *cred = (gss_cred_id_t)handle; + return GSS_S_COMPLETE; + +out: + gss_release_oid_set(minor_status, &handle->mechanisms); + if (handle->ccache) + krb5_cc_close(context, handle->ccache); + if (handle->keytab) + krb5_kt_close(context, handle->keytab); + if (handle->principal) + krb5_free_principal(context, handle->principal); + HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex); + free(handle); + *minor_status = kret; + return GSS_S_FAILURE; +} |