/* * Copyright (c) 2006 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 "mech_locl.h" /** * Turn an mech OID into an name * * Try to turn a OID into a mechanism name. If a matching OID can't be * found, this function will return NULL. * * The caller must free the oid_str buffer with gss_release_buffer() * when done with the string. * * @param minor_status an minor status code * @param oid an oid * @param oid_str buffer that will point to a NUL terminated string that is the numreric OID * * @returns a gss major status code * * @ingroup gssapi */ GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL gss_oid_to_str(OM_uint32 *__nonnull minor_status, __nonnull gss_OID oid, __nonnull gss_buffer_t oid_str) { int ret; size_t size; heim_oid o; char *p; _mg_buffer_zero(oid_str); if (oid == GSS_C_NULL_OID) return GSS_S_FAILURE; ret = der_get_oid (oid->elements, oid->length, &o, &size); if (ret) { *minor_status = ret; return GSS_S_FAILURE; } ret = der_print_heim_oid(&o, ' ', &p); der_free_oid(&o); if (ret) { *minor_status = ret; return GSS_S_FAILURE; } oid_str->value = p; oid_str->length = strlen(p); *minor_status = 0; return GSS_S_COMPLETE; } /** * Turn an mech OID into an name * * Try to turn a OID into a mechanism name. If a matching OID can't be * found, this function will return NULL. * * @param oid an mechanism oid * * @returns pointer a static strng to a name or NULL when not found. * * @ingroup gssapi */ GSSAPI_LIB_FUNCTION const char * __nullable GSSAPI_LIB_CALL gss_oid_to_name(__nonnull gss_const_OID oid) { size_t i; for (i = 0; _gss_ont_mech[i].oid; i++) { if (gss_oid_equal(oid, _gss_ont_mech[i].oid)) { if (_gss_ont_mech[i].short_desc) return _gss_ont_mech[i].short_desc; return _gss_ont_mech[i].name; } } return NULL; } /** * Turn an mech name into an OID * * Try to turn a string/name into an OID. If a static OID can't be * found, this function will return NULL. * * WARNING: do _NOT_ call gss_release_oid() on the OID returned. * * @param name name of a OID * * @returns pointer a static OID or GSS_C_NO_OID when not found. * * * @ingroup gssapi */ GSSAPI_LIB_FUNCTION __nullable gss_const_OID GSSAPI_LIB_CALL gss_name_to_oid(const char *__nonnull name) { size_t i, partial = (size_t)-1; for (i = 0; _gss_ont_mech[i].oid; i++) { if (strcasecmp(name, _gss_ont_mech[i].short_desc) == 0) return _gss_ont_mech[i].oid; if (strncasecmp(name, _gss_ont_mech[i].short_desc, strlen(name)) == 0) { if (partial != (size_t)-1) return NULL; partial = i; } } if (partial != (size_t)-1) return _gss_ont_mech[partial].oid; return NULL; }