OM_uint32 GSSAPI_CALLCONV _gsskrb5_acquire_cred
(OM_uint32 * minor_status,
gss_const_name_t desired_name,
OM_uint32 time_req,
const gss_OID_set desired_mechs,
gss_cred_usage_t cred_usage,
gss_cred_id_t * output_cred_handle,
gss_OID_set * actual_mechs,
OM_uint32 * time_rec
)
{
OM_uint32 ret;
if (desired_mechs) {
int present = 0;
ret = gss_test_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
desired_mechs, &present);
if (ret)
return ret;
if (!present) {
*minor_status = 0;
return GSS_S_BAD_MECH;
}
}
ret = _gsskrb5_acquire_cred_ext(minor_status,
desired_name,
GSS_C_NO_OID,
NULL,
time_req,
GSS_KRB5_MECHANISM,
cred_usage,
output_cred_handle);
if (ret)
return ret;
ret = _gsskrb5_inquire_cred(minor_status, *output_cred_handle,
NULL, time_rec, NULL, actual_mechs);
if (ret) {
OM_uint32 tmp;
_gsskrb5_release_cred(&tmp, output_cred_handle);
}
return ret;
}
OM_uint32 GSSAPI_CALLCONV _gsskrb5_inquire_cred_by_mech (
OM_uint32 * minor_status,
gss_const_cred_id_t cred_handle,
const gss_OID mech_type,
gss_name_t * name,
OM_uint32 * initiator_lifetime,
OM_uint32 * acceptor_lifetime,
gss_cred_usage_t * cred_usage
)
{
gss_cred_usage_t usage;
OM_uint32 maj_stat;
OM_uint32 lifetime;
/*
* XXX This is busted. _gsskrb5_inquire_cred() should be implemented in
* terms of _gsskrb5_inquire_cred_by_mech(), NOT the other way around.
*/
maj_stat =
_gsskrb5_inquire_cred (minor_status, cred_handle,
name, &lifetime, &usage, NULL);
if (maj_stat)
return maj_stat;
if (initiator_lifetime) {
if (usage == GSS_C_INITIATE || usage == GSS_C_BOTH)
*initiator_lifetime = lifetime;
else
*initiator_lifetime = 0;
}
if (acceptor_lifetime) {
if (usage == GSS_C_ACCEPT || usage == GSS_C_BOTH)
*acceptor_lifetime = lifetime;
else
*acceptor_lifetime = 0;
}
if (cred_usage)
*cred_usage = usage;
return GSS_S_COMPLETE;
}
OM_uint32 GSSAPI_CALLCONV _gsskrb5_inquire_cred_by_mech (
OM_uint32 * minor_status,
const gss_cred_id_t cred_handle,
const gss_OID mech_type,
gss_name_t * name,
OM_uint32 * initiator_lifetime,
OM_uint32 * acceptor_lifetime,
gss_cred_usage_t * cred_usage
)
{
gss_cred_usage_t usage;
OM_uint32 maj_stat;
OM_uint32 lifetime;
maj_stat =
_gsskrb5_inquire_cred (minor_status, cred_handle,
name, &lifetime, &usage, NULL);
if (maj_stat)
return maj_stat;
if (initiator_lifetime) {
if (usage == GSS_C_INITIATE || usage == GSS_C_BOTH)
*initiator_lifetime = lifetime;
else
*initiator_lifetime = 0;
}
if (acceptor_lifetime) {
if (usage == GSS_C_ACCEPT || usage == GSS_C_BOTH)
*acceptor_lifetime = lifetime;
else
*acceptor_lifetime = 0;
}
if (cred_usage)
*cred_usage = usage;
return GSS_S_COMPLETE;
}
OM_uint32 GSSAPI_CALLCONV
_gsskrb5_acquire_cred(OM_uint32 * minor_status,
const gss_name_t desired_name,
OM_uint32 time_req,
const gss_OID_set desired_mechs,
gss_cred_usage_t cred_usage,
gss_cred_id_t * output_cred_handle,
gss_OID_set * actual_mechs,
OM_uint32 * time_rec)
{
krb5_const_principal principal = (krb5_const_principal)desired_name;
krb5_context context;
gsskrb5_cred handle;
OM_uint32 ret, junk;
cred_usage &= GSS_C_OPTION_MASK;
if (cred_usage != GSS_C_ACCEPT && cred_usage != GSS_C_INITIATE && cred_usage != GSS_C_BOTH) {
*minor_status = GSS_KRB5_S_G_BAD_USAGE;
return GSS_S_FAILURE;
}
GSSAPI_KRB5_INIT(&context);
*output_cred_handle = NULL;
handle = calloc(1, sizeof(*handle));
if (handle == NULL) {
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
HEIMDAL_MUTEX_init(&handle->cred_id_mutex);
if (principal && principal->name.name_type == KRB5_NT_CACHE_UUID) {
int iakerb = 0;
ret = _acquire_uuid_name(minor_status, context, principal, &iakerb, handle);
if (iakerb) {
*minor_status = 0;
ret = GSS_S_BAD_NAME;
}
if (ret) {
_gsskrb5_release_cred(&junk, (gss_cred_id_t *)&handle);
return ret;
}
goto out;
}
if (principal) {
krb5_error_code kret;
kret = krb5_copy_principal(context, principal, &handle->principal);
if (kret) {
_gsskrb5_release_cred(&junk, (gss_cred_id_t *)&handle);
*minor_status = kret;
return GSS_S_FAILURE;
}
}
if (cred_usage == GSS_C_INITIATE || cred_usage == GSS_C_BOTH) {
ret = acquire_initiator_cred(minor_status, context,
desired_name, time_req,
cred_usage, handle);
if (ret != GSS_S_COMPLETE) {
HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
krb5_free_principal(context, handle->principal);
free(handle);
return (ret);
}
}
if (cred_usage == GSS_C_ACCEPT || cred_usage == GSS_C_BOTH) {
ret = acquire_acceptor_cred(minor_status, context,
desired_name, time_req,
cred_usage, handle);
if (ret != GSS_S_COMPLETE) {
HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
krb5_free_principal(context, handle->principal);
free(handle);
return (ret);
}
}
out:
handle->usage = cred_usage;
*minor_status = 0;
*output_cred_handle = (gss_cred_id_t)handle;
ret = _gsskrb5_inquire_cred(minor_status, *output_cred_handle,
NULL, time_rec, NULL, actual_mechs);
if (ret) {
_gsskrb5_release_cred(&junk, output_cred_handle);
return ret;
}
return (GSS_S_COMPLETE);
}
OM_uint32 GSSAPI_CALLCONV _gsskrb5_add_cred (
OM_uint32 *minor_status,
const gss_cred_id_t input_cred_handle,
const gss_name_t desired_name,
const gss_OID desired_mech,
gss_cred_usage_t cred_usage,
OM_uint32 initiator_time_req,
OM_uint32 acceptor_time_req,
gss_cred_id_t *output_cred_handle,
gss_OID_set *actual_mechs,
OM_uint32 *initiator_time_rec,
OM_uint32 *acceptor_time_rec)
{
krb5_context context;
OM_uint32 ret, lifetime;
gsskrb5_cred cred, handle;
krb5_const_principal dname;
handle = NULL;
cred = (gsskrb5_cred)input_cred_handle;
dname = (krb5_const_principal)desired_name;
GSSAPI_KRB5_INIT (&context);
if (gss_oid_equal(desired_mech, GSS_KRB5_MECHANISM) == 0) {
*minor_status = 0;
return GSS_S_BAD_MECH;
}
if (cred == NULL && output_cred_handle == NULL) {
*minor_status = 0;
return GSS_S_NO_CRED;
}
if (cred == NULL) { /* XXX standard conformance failure */
*minor_status = 0;
return GSS_S_NO_CRED;
}
/* check if requested output usage is compatible with output usage */
if (output_cred_handle != NULL) {
HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
if (cred->usage != cred_usage && cred->usage != GSS_C_BOTH) {
HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
*minor_status = GSS_KRB5_S_G_BAD_USAGE;
return(GSS_S_FAILURE);
}
}
/* check that we have the same name */
if (dname != NULL &&
krb5_principal_compare(context, dname,
cred->principal) != FALSE) {
if (output_cred_handle)
HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
*minor_status = 0;
return GSS_S_BAD_NAME;
}
/* make a copy */
if (output_cred_handle) {
krb5_error_code kret;
handle = calloc(1, sizeof(*handle));
if (handle == NULL) {
HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
handle->usage = cred_usage;
handle->endtime = cred->endtime;
handle->principal = NULL;
handle->keytab = NULL;
handle->ccache = NULL;
HEIMDAL_MUTEX_init(&handle->cred_id_mutex);
kret = krb5_copy_principal(context, cred->principal,
&handle->principal);
if (kret) {
HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
free(handle);
*minor_status = kret;
return GSS_S_FAILURE;
}
if (cred->keytab) {
char *name = NULL;
ret = GSS_S_FAILURE;
kret = krb5_kt_get_full_name(context, cred->keytab, &name);
if (kret) {
*minor_status = kret;
goto failure;
}
kret = krb5_kt_resolve(context, name,
&handle->keytab);
krb5_xfree(name);
if (kret){
*minor_status = kret;
goto failure;
}
}
if (cred->ccache) {
const char *type, *name;
char *type_name = NULL;
ret = GSS_S_FAILURE;
type = krb5_cc_get_type(context, cred->ccache);
if (type == NULL){
*minor_status = ENOMEM;
goto failure;
}
if (strcmp(type, "MEMORY") == 0) {
ret = krb5_cc_new_unique(context, type,
NULL, &handle->ccache);
if (ret) {
*minor_status = ret;
goto failure;
}
ret = krb5_cc_copy_cache(context, cred->ccache,
handle->ccache);
if (ret) {
*minor_status = ret;
goto failure;
}
} else {
name = krb5_cc_get_name(context, cred->ccache);
if (name == NULL) {
*minor_status = ENOMEM;
goto failure;
}
kret = asprintf(&type_name, "%s:%s", type, name);
if (kret < 0 || type_name == NULL) {
*minor_status = ENOMEM;
goto failure;
}
kret = krb5_cc_resolve(context, type_name,
&handle->ccache);
free(type_name);
if (kret) {
*minor_status = kret;
goto failure;
}
}
}
}
HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
ret = _gsskrb5_inquire_cred(minor_status, (gss_cred_id_t)cred,
NULL, &lifetime, NULL, actual_mechs);
if (ret)
goto failure;
if (initiator_time_rec)
*initiator_time_rec = lifetime;
if (acceptor_time_rec)
*acceptor_time_rec = lifetime;
if (output_cred_handle) {
*output_cred_handle = (gss_cred_id_t)handle;
}
*minor_status = 0;
return ret;
failure:
if (handle) {
if (handle->principal)
krb5_free_principal(context, handle->principal);
if (handle->keytab)
krb5_kt_close(context, handle->keytab);
if (handle->ccache)
krb5_cc_destroy(context, handle->ccache);
free(handle);
}
if (output_cred_handle)
HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
return ret;
}
OM_uint32 GSSAPI_CALLCONV _gsskrb5_acquire_cred
(OM_uint32 * minor_status,
const gss_name_t desired_name,
OM_uint32 time_req,
const gss_OID_set desired_mechs,
gss_cred_usage_t cred_usage,
gss_cred_id_t * output_cred_handle,
gss_OID_set * actual_mechs,
OM_uint32 * time_rec
)
{
krb5_context context;
gsskrb5_cred handle;
OM_uint32 ret;
if (cred_usage != GSS_C_ACCEPT && cred_usage != GSS_C_INITIATE && cred_usage != GSS_C_BOTH) {
*minor_status = GSS_KRB5_S_G_BAD_USAGE;
return GSS_S_FAILURE;
}
GSSAPI_KRB5_INIT(&context);
*output_cred_handle = NULL;
if (time_rec)
*time_rec = 0;
if (actual_mechs)
*actual_mechs = GSS_C_NO_OID_SET;
if (desired_mechs) {
int present = 0;
ret = gss_test_oid_set_member(minor_status, GSS_KRB5_MECHANISM,
desired_mechs, &present);
if (ret)
return ret;
if (!present) {
*minor_status = 0;
return GSS_S_BAD_MECH;
}
}
handle = calloc(1, sizeof(*handle));
if (handle == NULL) {
*minor_status = ENOMEM;
return (GSS_S_FAILURE);
}
HEIMDAL_MUTEX_init(&handle->cred_id_mutex);
if (desired_name != GSS_C_NO_NAME) {
ret = _gsskrb5_canon_name(minor_status, context, 1, NULL,
desired_name, &handle->principal);
if (ret) {
HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
free(handle);
return ret;
}
}
if (cred_usage == GSS_C_INITIATE || cred_usage == GSS_C_BOTH) {
ret = acquire_initiator_cred(minor_status, context,
desired_name, time_req,
desired_mechs, cred_usage, handle,
actual_mechs, time_rec);
if (ret != GSS_S_COMPLETE) {
HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
krb5_free_principal(context, handle->principal);
free(handle);
return (ret);
}
}
if (cred_usage == GSS_C_ACCEPT || cred_usage == GSS_C_BOTH) {
ret = acquire_acceptor_cred(minor_status, context,
desired_name, time_req,
desired_mechs, cred_usage, handle, actual_mechs, time_rec);
if (ret != GSS_S_COMPLETE) {
HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
krb5_free_principal(context, handle->principal);
free(handle);
return (ret);
}
}
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)
ret = _gsskrb5_inquire_cred(minor_status, (gss_cred_id_t)handle,
NULL, time_rec, NULL, actual_mechs);
if (ret != GSS_S_COMPLETE) {
if (handle->mechanisms != NULL)
gss_release_oid_set(NULL, &handle->mechanisms);
HEIMDAL_MUTEX_destroy(&handle->cred_id_mutex);
krb5_free_principal(context, handle->principal);
free(handle);
return (ret);
}
*minor_status = 0;
if (time_rec) {
ret = _gsskrb5_lifetime_left(minor_status,
context,
handle->lifetime,
time_rec);
if (ret)
return ret;
}
handle->usage = cred_usage;
*output_cred_handle = (gss_cred_id_t)handle;
return (GSS_S_COMPLETE);
}
