X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=support%2Fgssapi%2Fg_compare_name.c;fp=support%2Fgssapi%2Fg_compare_name.c;h=496d4972f93f034ef36d36d9f96a287e702ff408;hp=0000000000000000000000000000000000000000;hb=f1bfe0916c04d93de7a4fae5315fff6e4ccac23f;hpb=981d25a37fe4a71eddd162672a658da223453985 diff --git a/support/gssapi/g_compare_name.c b/support/gssapi/g_compare_name.c new file mode 100644 index 0000000..496d497 --- /dev/null +++ b/support/gssapi/g_compare_name.c @@ -0,0 +1,165 @@ +/* #ident "@(#)gss_compare_name.c 1.13 95/08/02 SMI" */ + +/* + * Copyright 1996 by Sun Microsystems, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appears in all copies and + * that both that copyright notice and this permission notice appear in + * supporting documentation, and that the name of Sun Microsystems not be used + * in advertising or publicity pertaining to distribution of the software + * without specific, written prior permission. Sun Microsystems makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + * + * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF + * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR + * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* + * glue routine for gss_compare_name + * + */ + +#include "mglueP.h" +#ifdef HAVE_STDLIB_H +#include +#endif +#include + +#define g_OID_equal(o1,o2) \ + (((o1)->length == (o2)->length) && \ + (memcmp((o1)->elements,(o2)->elements,(int) (o1)->length) == 0)) + +OM_uint32 KRB5_CALLCONV +gss_compare_name (minor_status, + name1, + name2, + name_equal) + +OM_uint32 * minor_status; +gss_name_t name1; +gss_name_t name2; +int * name_equal; + +{ + OM_uint32 major_status, temp_minor; + gss_union_name_t union_name1, union_name2; + gss_mechanism mech; + gss_name_t internal_name; + + gss_initialize(); + + if (name1 == 0 || name2 == 0) { + if (name_equal) + *name_equal = 0; + return GSS_S_BAD_NAME; + } + + union_name1 = (gss_union_name_t) name1; + union_name2 = (gss_union_name_t) name2; + /* + * Try our hardest to make union_name1 be the mechanism-specific + * name. (Of course we can't if both names aren't + * mechanism-specific.) + */ + if (union_name1->mech_type == 0) { + union_name1 = (gss_union_name_t) name2; + union_name2 = (gss_union_name_t) name1; + } + /* + * If union_name1 is mechanism specific, then fetch its mechanism + * information. + */ + if (union_name1->mech_type) { + mech = __gss_get_mechanism (union_name1->mech_type); + if (!mech) + return (GSS_S_BAD_MECH); + if (!mech->gss_compare_name) + return (GSS_S_BAD_BINDINGS); + } + + if (name_equal == NULL) + return GSS_S_COMPLETE; + + *name_equal = 0; /* Default to *not* equal.... */ + + /* + * First case... both names are mechanism-specific + */ + if (union_name1->mech_type && union_name2->mech_type) { + if (!g_OID_equal(union_name1->mech_type, union_name2->mech_type)) + return (GSS_S_COMPLETE); + if ((union_name1->mech_name == 0) || (union_name2->mech_name == 0)) + /* should never happen */ + return (GSS_S_BAD_NAME); +#ifdef USE_MECH_CONTEXT + return (mech->gss_compare_name(mech->context, minor_status, +#else + return (mech->gss_compare_name(minor_status, +#endif + union_name1->mech_name, + union_name2->mech_name, name_equal)); + + } + + /* + * Second case... both names are NOT mechanism specific. + * + * All we do here is make sure the two name_types are equal and then + * that the external_names are equal. Note the we do not take care + * of the case where two different external names map to the same + * internal name. We cannot determine this, since we as yet do not + * know what mechanism to use for calling the underlying + * gss_import_name(). + */ + if (!union_name1->mech_type && !union_name2->mech_type) { + if (!g_OID_equal(union_name1->name_type, union_name2->name_type)) + return (GSS_S_COMPLETE); + if ((union_name1->external_name->length != + union_name2->external_name->length) || + (memcmp(union_name1->external_name->value, + union_name2->external_name->value, + union_name1->external_name->length) != 0)) + return (GSS_S_COMPLETE); + *name_equal = 1; + return (GSS_S_COMPLETE); + } + + /* + * Final case... one name is mechanism specific, the other isn't. + * + * We attempt to convert the general name to the mechanism type of + * the mechanism-specific name, and then do the compare. If we + * can't import the general name, then we return that the name is + * _NOT_ equal. + */ + if (union_name2->mech_type) { + /* We make union_name1 the mechanism specific name. */ + union_name1 = (gss_union_name_t) name2; + union_name2 = (gss_union_name_t) name1; + } + major_status = __gss_import_internal_name(minor_status, + union_name1->mech_type, + union_name2, + &internal_name); + if (major_status != GSS_S_COMPLETE) + return (GSS_S_COMPLETE); +#ifdef USE_MECH_CONTEXT + major_status = mech->gss_compare_name(mech->context, minor_status, +#else + major_status = mech->gss_compare_name(minor_status, +#endif + union_name1->mech_name, + internal_name, name_equal); + __gss_release_internal_name(&temp_minor, union_name1->mech_type, + &internal_name); + return (major_status); + +}