X-Git-Url: https://git.decadent.org.uk/gitweb/?p=nfs-utils.git;a=blobdiff_plain;f=support%2Fgssapi%2Fg_imp_name.c;fp=support%2Fgssapi%2Fg_imp_name.c;h=43f9c500c0c051dfeabadd55367da40daebbd217;hp=0000000000000000000000000000000000000000;hb=f1bfe0916c04d93de7a4fae5315fff6e4ccac23f;hpb=981d25a37fe4a71eddd162672a658da223453985 diff --git a/support/gssapi/g_imp_name.c b/support/gssapi/g_imp_name.c new file mode 100644 index 0000000..43f9c50 --- /dev/null +++ b/support/gssapi/g_imp_name.c @@ -0,0 +1,161 @@ +/* #ident "@(#)g_imp_name.c 1.2 96/02/06 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 gss_import_name + * + */ + +#include "mglueP.h" +#include +#ifdef HAVE_STDLIB_H +#include +#endif +#include +#include + +OM_uint32 KRB5_CALLCONV +gss_import_name(minor_status, + input_name_buffer, + input_name_type, + output_name) + +OM_uint32 * minor_status; +gss_buffer_t input_name_buffer; +gss_OID input_name_type; +gss_name_t * output_name; + +{ + gss_union_name_t union_name; + OM_uint32 tmp, major_status = GSS_S_FAILURE; + gss_OID mech; + + gss_initialize(); + + if (minor_status) + *minor_status = 0; + + /* if output_name is NULL, simply return */ + + if(output_name == NULL) + return (GSS_S_COMPLETE); + + *output_name = 0; + + if (input_name_buffer == GSS_C_NO_BUFFER) + return (GSS_S_BAD_NAME); + + /* + * First create the union name struct that will hold the external + * name and the name type. + */ + + union_name = (gss_union_name_t) malloc (sizeof(gss_union_name_desc)); + if (!union_name) { + *minor_status = ENOMEM; + goto allocation_failure; + } + union_name->mech_type = 0; + union_name->mech_name = 0; + union_name->name_type = 0; + union_name->external_name = 0; + union_name->gss_mech = NULL; + + /* + * All we do here is record the external name and name_type. + * When the name is actually used, the underlying gss_import_name() + * is called for the appropriate mechanism. Note that the name type + * is assumed to be constant, so only a pointer to it is stored in + * union_name + */ + union_name->external_name = + (gss_buffer_t) malloc(sizeof(gss_buffer_desc)); + if (!union_name->external_name) { + *minor_status = ENOMEM; + goto allocation_failure; + } + + union_name->external_name->length = input_name_buffer->length; + /* we malloc length+1 to stick a NULL on the end, just in case */ + /* Note that this NULL is not included in ->length for a reason! */ + union_name->external_name->value = + (void *) malloc(input_name_buffer->length+1); + if (!union_name->external_name->value) { + *minor_status = ENOMEM; + goto allocation_failure; + } + + memcpy(union_name->external_name->value, input_name_buffer->value, + input_name_buffer->length); + + /* add NULL to end of external_name->value, just in case... */ + ((char *)union_name->external_name->value) + [input_name_buffer->length] = '\0'; + + major_status = generic_gss_copy_oid(minor_status, input_name_type, + &union_name->name_type); + if (major_status != GSS_S_COMPLETE) + goto allocation_failure; + + /* + * See if this is a mechanism-specific name. If so, let's import + * it now so we can get any error messages, and to avoid trouble + * later... + */ + mech = gss_find_mechanism_from_name_type(input_name_type); + if (mech) { + major_status = generic_gss_copy_oid(minor_status, mech, + &union_name->mech_type); + if (major_status != GSS_S_COMPLETE) + goto allocation_failure; + + major_status = __gss_import_internal_name(minor_status, mech, + union_name, + &union_name->mech_name); + if (major_status) + goto allocation_failure; + } + + *output_name = (gss_name_t) union_name; + + return(GSS_S_COMPLETE); + +allocation_failure: + if (union_name) { + if (union_name->external_name) { + if (union_name->external_name->value) + free(union_name->external_name->value); + free(union_name->external_name); + } + if (union_name->name_type) + generic_gss_release_oid(&tmp, &union_name->name_type); + if (union_name->mech_name) + __gss_release_internal_name(minor_status, union_name->mech_type, + &union_name->mech_name); + if (union_name->mech_type) + generic_gss_release_oid(&tmp, &union_name->mech_type); + free(union_name); + } + return (major_status); +}